199 files changed, 6283 insertions, 2697 deletions

diff --git a/src/core/CMakeLists.txt b/src/core/CMakeLists.txt
index c42f95705..d0c405ec7 100644
--- a/src/core/CMakeLists.txt
+++ b/src/core/CMakeLists.txt
@@ -126,6 +126,8 @@ add_library(core STATIC
     file_sys/vfs_vector.h
     file_sys/xts_archive.cpp
     file_sys/xts_archive.h
+    frontend/applets/controller.cpp
+    frontend/applets/controller.h
     frontend/applets/error.cpp
     frontend/applets/error.h
     frontend/applets/general_frontend.cpp
@@ -244,6 +246,8 @@ add_library(core STATIC
     hle/service/am/applet_oe.h
     hle/service/am/applets/applets.cpp
     hle/service/am/applets/applets.h
+    hle/service/am/applets/controller.cpp
+    hle/service/am/applets/controller.h
     hle/service/am/applets/error.cpp
     hle/service/am/applets/error.h
     hle/service/am/applets/general_backend.cpp
@@ -491,6 +495,7 @@ add_library(core STATIC
     hle/service/sm/controller.h
     hle/service/sm/sm.cpp
     hle/service/sm/sm.h
+    hle/service/sockets/blocking_worker.h
     hle/service/sockets/bsd.cpp
     hle/service/sockets/bsd.h
     hle/service/sockets/ethc.cpp
@@ -501,6 +506,8 @@ add_library(core STATIC
     hle/service/sockets/sfdnsres.h
     hle/service/sockets/sockets.cpp
     hle/service/sockets/sockets.h
+    hle/service/sockets/sockets_translate.cpp
+    hle/service/sockets/sockets_translate.h
     hle/service/spl/csrng.cpp
     hle/service/spl/csrng.h
     hle/service/spl/module.cpp
@@ -586,6 +593,9 @@ add_library(core STATIC
     memory/dmnt_cheat_vm.h
     memory.cpp
     memory.h
+    network/network.cpp
+    network/network.h
+    network/sockets.h
     perf_stats.cpp
     perf_stats.h
     reporter.cpp
diff --git a/src/core/arm/cpu_interrupt_handler.cpp b/src/core/arm/cpu_interrupt_handler.cpp
index df0350881..9c8898700 100644
--- a/src/core/arm/cpu_interrupt_handler.cpp
+++ b/src/core/arm/cpu_interrupt_handler.cpp
@@ -7,9 +7,7 @@
 
 namespace Core {
 
-CPUInterruptHandler::CPUInterruptHandler() : is_interrupted{} {
-    interrupt_event = std::make_unique<Common::Event>();
-}
+CPUInterruptHandler::CPUInterruptHandler() : interrupt_event{std::make_unique<Common::Event>()} {}
 
 CPUInterruptHandler::~CPUInterruptHandler() = default;
 
@@ -17,7 +15,7 @@ void CPUInterruptHandler::SetInterrupt(bool is_interrupted_) {
     if (is_interrupted_) {
         interrupt_event->Set();
     }
-    this->is_interrupted = is_interrupted_;
+    is_interrupted = is_interrupted_;
 }
 
 void CPUInterruptHandler::AwaitInterrupt() {
diff --git a/src/core/arm/cpu_interrupt_handler.h b/src/core/arm/cpu_interrupt_handler.h
index 3d062d326..71e582f79 100644
--- a/src/core/arm/cpu_interrupt_handler.h
+++ b/src/core/arm/cpu_interrupt_handler.h
@@ -4,6 +4,7 @@
 
 #pragma once
 
+#include <atomic>
 #include <memory>
 
 namespace Common {
@@ -32,8 +33,8 @@ public:
     void AwaitInterrupt();
 
 private:
-    bool is_interrupted{};
     std::unique_ptr<Common::Event> interrupt_event;
+    std::atomic_bool is_interrupted{false};
 };
 
 } // namespace Core
diff --git a/src/core/arm/dynarmic/arm_dynarmic_32.cpp b/src/core/arm/dynarmic/arm_dynarmic_32.cpp
index 443ca72eb..b5f28a86e 100644
--- a/src/core/arm/dynarmic/arm_dynarmic_32.cpp
+++ b/src/core/arm/dynarmic/arm_dynarmic_32.cpp
@@ -143,7 +143,7 @@ std::shared_ptr<Dynarmic::A32::Jit> ARM_Dynarmic_32::MakeJit(Common::PageTable&
     config.wall_clock_cntpct = uses_wall_clock;
 
     // Safe optimizations
-    if (Settings::values.cpu_accuracy != Settings::CPUAccuracy::Accurate) {
+    if (Settings::values.cpu_accuracy == Settings::CPUAccuracy::DebugMode) {
         if (!Settings::values.cpuopt_page_tables) {
             config.page_table = nullptr;
         }
@@ -170,6 +170,17 @@ std::shared_ptr<Dynarmic::A32::Jit> ARM_Dynarmic_32::MakeJit(Common::PageTable&
         }
     }
 
+    // Unsafe optimizations
+    if (Settings::values.cpu_accuracy == Settings::CPUAccuracy::Unsafe) {
+        config.unsafe_optimizations = true;
+        if (Settings::values.cpuopt_unsafe_unfuse_fma) {
+            config.optimizations |= Dynarmic::OptimizationFlag::Unsafe_UnfuseFMA;
+        }
+        if (Settings::values.cpuopt_unsafe_reduce_fp_error) {
+            config.optimizations |= Dynarmic::OptimizationFlag::Unsafe_ReducedErrorFP;
+        }
+    }
+
     return std::make_unique<Dynarmic::A32::Jit>(config);
 }
 
diff --git a/src/core/arm/dynarmic/arm_dynarmic_64.cpp b/src/core/arm/dynarmic/arm_dynarmic_64.cpp
index a63a04a25..ce9968724 100644
--- a/src/core/arm/dynarmic/arm_dynarmic_64.cpp
+++ b/src/core/arm/dynarmic/arm_dynarmic_64.cpp
@@ -195,7 +195,7 @@ std::shared_ptr<Dynarmic::A64::Jit> ARM_Dynarmic_64::MakeJit(Common::PageTable&
     config.wall_clock_cntpct = uses_wall_clock;
 
     // Safe optimizations
-    if (Settings::values.cpu_accuracy != Settings::CPUAccuracy::Accurate) {
+    if (Settings::values.cpu_accuracy == Settings::CPUAccuracy::DebugMode) {
         if (!Settings::values.cpuopt_page_tables) {
             config.page_table = nullptr;
         }
@@ -222,6 +222,17 @@ std::shared_ptr<Dynarmic::A64::Jit> ARM_Dynarmic_64::MakeJit(Common::PageTable&
         }
     }
 
+    // Unsafe optimizations
+    if (Settings::values.cpu_accuracy == Settings::CPUAccuracy::Unsafe) {
+        config.unsafe_optimizations = true;
+        if (Settings::values.cpuopt_unsafe_unfuse_fma) {
+            config.optimizations |= Dynarmic::OptimizationFlag::Unsafe_UnfuseFMA;
+        }
+        if (Settings::values.cpuopt_unsafe_reduce_fp_error) {
+            config.optimizations |= Dynarmic::OptimizationFlag::Unsafe_ReducedErrorFP;
+        }
+    }
+
     return std::make_shared<Dynarmic::A64::Jit>(config);
 }
 
diff --git a/src/core/arm/dynarmic/arm_dynarmic_cp15.cpp b/src/core/arm/dynarmic/arm_dynarmic_cp15.cpp
index 54556e0f9..caefc09f4 100644
--- a/src/core/arm/dynarmic/arm_dynarmic_cp15.cpp
+++ b/src/core/arm/dynarmic/arm_dynarmic_cp15.cpp
@@ -34,7 +34,7 @@ std::optional<Callback> DynarmicCP15::CompileInternalOperation(bool two, unsigne
                                                                CoprocReg CRm, unsigned opc2) {
     LOG_CRITICAL(Core_ARM, "CP15: cdp{} p15, {}, {}, {}, {}, {}", two ? "2" : "", opc1, CRd, CRn,
                  CRm, opc2);
-    return {};
+    return std::nullopt;
 }
 
 CallbackOrAccessOneWord DynarmicCP15::CompileSendOneWord(bool two, unsigned opc1, CoprocReg CRn,
@@ -115,7 +115,7 @@ std::optional<Callback> DynarmicCP15::CompileLoadWords(bool two, bool long_trans
         LOG_CRITICAL(Core_ARM, "CP15: mrrc{}{} p15, {}, [...]", two ? "2" : "",
                      long_transfer ? "l" : "", CRd);
     }
-    return {};
+    return std::nullopt;
 }
 
 std::optional<Callback> DynarmicCP15::CompileStoreWords(bool two, bool long_transfer, CoprocReg CRd,
@@ -127,7 +127,7 @@ std::optional<Callback> DynarmicCP15::CompileStoreWords(bool two, bool long_tran
         LOG_CRITICAL(Core_ARM, "CP15: mrrc{}{} p15, {}, [...]", two ? "2" : "",
                      long_transfer ? "l" : "", CRd);
     }
-    return {};
+    return std::nullopt;
 }
 
 } // namespace Core
diff --git a/src/core/arm/dynarmic/arm_dynarmic_cp15.h b/src/core/arm/dynarmic/arm_dynarmic_cp15.h
index 7356d252e..dc6f4af3a 100644
--- a/src/core/arm/dynarmic/arm_dynarmic_cp15.h
+++ b/src/core/arm/dynarmic/arm_dynarmic_cp15.h
@@ -35,8 +35,8 @@ public:
                                               std::optional<u8> option) override;
 
     ARM_Dynarmic_32& parent;
-    u32 uprw;
-    u32 uro;
+    u32 uprw = 0;
+    u32 uro = 0;
 };
 
 } // namespace Core
diff --git a/src/core/core.cpp b/src/core/core.cpp
index 69a1aa0a5..81e8cc338 100644
--- a/src/core/core.cpp
+++ b/src/core/core.cpp
@@ -43,6 +43,7 @@
 #include "core/loader/loader.h"
 #include "core/memory.h"
 #include "core/memory/cheat_engine.h"
+#include "core/network/network.h"
 #include "core/perf_stats.h"
 #include "core/reporter.h"
 #include "core/settings.h"
@@ -112,7 +113,7 @@ FileSys::VirtualFile GetGameFileFromPath(const FileSys::VirtualFilesystem& vfs,
         return FileSys::ConcatenatedVfsFile::MakeConcatenatedFile(concat, dir->GetName());
     }
 
-    if (FileUtil::IsDirectory(path))
+    if (Common::FS::IsDirectory(path))
         return vfs->OpenFile(path + "/" + "main", FileSys::Mode::Read);
 
     return vfs->OpenFile(path, FileSys::Mode::Read);
@@ -145,7 +146,7 @@ struct System::Impl {
     ResultStatus Init(System& system, Frontend::EmuWindow& emu_window) {
         LOG_DEBUG(HW_Memory, "initialized OK");
 
-        device_memory = std::make_unique<Core::DeviceMemory>(system);
+        device_memory = std::make_unique<Core::DeviceMemory>();
 
         is_multicore = Settings::values.use_multi_core.GetValue();
         is_async_gpu = is_multicore || Settings::values.use_asynchronous_gpu_emulation.GetValue();
@@ -177,7 +178,7 @@ struct System::Impl {
         arp_manager.ResetAll();
 
         telemetry_session = std::make_unique<Core::TelemetrySession>();
-        service_manager = std::make_shared<Service::SM::ServiceManager>();
+        service_manager = std::make_shared<Service::SM::ServiceManager>(kernel);
 
         Service::Init(service_manager, system);
         GDBStub::DeferStart();
@@ -187,7 +188,6 @@ struct System::Impl {
         if (!gpu_core) {
             return ResultStatus::ErrorVideoCore;
         }
-        gpu_core->Renderer().Rasterizer().SetupDirtyFlags();
 
         is_powered_on = true;
         exit_lock = false;
@@ -221,7 +221,7 @@ struct System::Impl {
         telemetry_session->AddInitialInfo(*app_loader);
         auto main_process =
             Kernel::Process::Create(system, "main", Kernel::Process::ProcessType::Userland);
-        const auto [load_result, load_parameters] = app_loader->Load(*main_process);
+        const auto [load_result, load_parameters] = app_loader->Load(*main_process, system);
         if (load_result != Loader::ResultStatus::Success) {
             LOG_CRITICAL(Core, "Failed to load ROM (Error {})!", static_cast<int>(load_result));
             Shutdown();
@@ -268,14 +268,14 @@ struct System::Impl {
         // Log last frame performance stats if game was loded
         if (perf_stats) {
             const auto perf_results = GetAndResetPerfStats();
-            telemetry_session->AddField(Telemetry::FieldType::Performance,
-                                        "Shutdown_EmulationSpeed",
+            constexpr auto performance = Common::Telemetry::FieldType::Performance;
+
+            telemetry_session->AddField(performance, "Shutdown_EmulationSpeed",
                                         perf_results.emulation_speed * 100.0);
-            telemetry_session->AddField(Telemetry::FieldType::Performance, "Shutdown_Framerate",
-                                        perf_results.game_fps);
-            telemetry_session->AddField(Telemetry::FieldType::Performance, "Shutdown_Frametime",
+            telemetry_session->AddField(performance, "Shutdown_Framerate", perf_results.game_fps);
+            telemetry_session->AddField(performance, "Shutdown_Frametime",
                                         perf_results.frametime * 1000.0);
-            telemetry_session->AddField(Telemetry::FieldType::Performance, "Mean_Frametime_MS",
+            telemetry_session->AddField(performance, "Mean_Frametime_MS",
                                         perf_stats->GetMeanFrametime());
         }
 
@@ -394,6 +394,9 @@ struct System::Impl {
     /// Telemetry session for this emulation session
     std::unique_ptr<Core::TelemetrySession> telemetry_session;
 
+    /// Network instance
+    Network::NetworkInstance network_instance;
+
     ResultStatus status = ResultStatus::Success;
     std::string status_details = "";
 
@@ -626,11 +629,11 @@ Loader::AppLoader& System::GetAppLoader() const {
     return *impl->app_loader;
 }
 
-void System::SetFilesystem(std::shared_ptr<FileSys::VfsFilesystem> vfs) {
+void System::SetFilesystem(FileSys::VirtualFilesystem vfs) {
     impl->virtual_filesystem = std::move(vfs);
 }
 
-std::shared_ptr<FileSys::VfsFilesystem> System::GetFilesystem() const {
+FileSys::VirtualFilesystem System::GetFilesystem() const {
     return impl->virtual_filesystem;
 }
 
diff --git a/src/core/core.h b/src/core/core.h
index 5c6cfbffe..27efe30bb 100644
--- a/src/core/core.h
+++ b/src/core/core.h
@@ -120,7 +120,7 @@ public:
      * Gets the instance of the System singleton class.
      * @returns Reference to the instance of the System singleton class.
      */
-    static System& GetInstance() {
+    [[deprecated("Use of the global system instance is deprecated")]] static System& GetInstance() {
         return s_instance;
     }
 
@@ -316,9 +316,9 @@ public:
     Service::SM::ServiceManager& ServiceManager();
     const Service::SM::ServiceManager& ServiceManager() const;
 
-    void SetFilesystem(std::shared_ptr<FileSys::VfsFilesystem> vfs);
+    void SetFilesystem(FileSys::VirtualFilesystem vfs);
 
-    std::shared_ptr<FileSys::VfsFilesystem> GetFilesystem() const;
+    FileSys::VirtualFilesystem GetFilesystem() const;
 
     void RegisterCheatList(const std::vector<Memory::CheatEntry>& list,
                            const std::array<u8, 0x20>& build_id, VAddr main_region_begin,
diff --git a/src/core/core_timing.cpp b/src/core/core_timing.cpp
index a63e60461..e6c8461a5 100644
--- a/src/core/core_timing.cpp
+++ b/src/core/core_timing.cpp
@@ -7,14 +7,14 @@
 #include <string>
 #include <tuple>
 
-#include "common/assert.h"
 #include "common/microprofile.h"
 #include "core/core_timing.h"
 #include "core/core_timing_util.h"
+#include "core/hardware_properties.h"
 
 namespace Core::Timing {
 
-constexpr u64 MAX_SLICE_LENGTH = 4000;
+constexpr s64 MAX_SLICE_LENGTH = 4000;
 
 std::shared_ptr<EventType> CreateEvent(std::string name, TimedCallback&& callback) {
     return std::make_shared<EventType>(std::move(callback), std::move(name));
@@ -23,7 +23,7 @@ std::shared_ptr<EventType> CreateEvent(std::string name, TimedCallback&& callbac
 struct CoreTiming::Event {
     u64 time;
     u64 fifo_order;
-    u64 userdata;
+    std::uintptr_t user_data;
     std::weak_ptr<EventType> type;
 
     // Sort by time, unless the times are the same, in which case sort by
@@ -37,10 +37,8 @@ struct CoreTiming::Event {
     }
 };
 
-CoreTiming::CoreTiming() {
-    clock =
-        Common::CreateBestMatchingClock(Core::Hardware::BASE_CLOCK_RATE, Core::Hardware::CNTFREQ);
-}
+CoreTiming::CoreTiming()
+    : clock{Common::CreateBestMatchingClock(Hardware::BASE_CLOCK_RATE, Hardware::CNTFREQ)} {}
 
 CoreTiming::~CoreTiming() = default;
 
@@ -53,12 +51,12 @@ void CoreTiming::ThreadEntry(CoreTiming& instance) {
     instance.ThreadLoop();
 }
 
-void CoreTiming::Initialize(std::function<void(void)>&& on_thread_init_) {
+void CoreTiming::Initialize(std::function<void()>&& on_thread_init_) {
     on_thread_init = std::move(on_thread_init_);
     event_fifo_id = 0;
     shutting_down = false;
     ticks = 0;
-    const auto empty_timed_callback = [](u64, s64) {};
+    const auto empty_timed_callback = [](std::uintptr_t, std::chrono::nanoseconds) {};
     ev_lost = CreateEvent("_lost_event", empty_timed_callback);
     if (is_multicore) {
         timer_thread = std::make_unique<std::thread>(ThreadEntry, std::ref(*this));
@@ -106,23 +104,25 @@ bool CoreTiming::HasPendingEvents() const {
     return !(wait_set && event_queue.empty());
 }
 
-void CoreTiming::ScheduleEvent(s64 ns_into_future, const std::shared_ptr<EventType>& event_type,
-                               u64 userdata) {
+void CoreTiming::ScheduleEvent(std::chrono::nanoseconds ns_into_future,
+                               const std::shared_ptr<EventType>& event_type,
+                               std::uintptr_t user_data) {
     {
         std::scoped_lock scope{basic_lock};
-        const u64 timeout = static_cast<u64>(GetGlobalTimeNs().count() + ns_into_future);
+        const u64 timeout = static_cast<u64>((GetGlobalTimeNs() + ns_into_future).count());
 
-        event_queue.emplace_back(Event{timeout, event_fifo_id++, userdata, event_type});
+        event_queue.emplace_back(Event{timeout, event_fifo_id++, user_data, event_type});
 
         std::push_heap(event_queue.begin(), event_queue.end(), std::greater<>());
     }
     event.Set();
 }
 
-void CoreTiming::UnscheduleEvent(const std::shared_ptr<EventType>& event_type, u64 userdata) {
+void CoreTiming::UnscheduleEvent(const std::shared_ptr<EventType>& event_type,
+                                 std::uintptr_t user_data) {
     std::scoped_lock scope{basic_lock};
     const auto itr = std::remove_if(event_queue.begin(), event_queue.end(), [&](const Event& e) {
-        return e.type.lock().get() == event_type.get() && e.userdata == userdata;
+        return e.type.lock().get() == event_type.get() && e.user_data == user_data;
     });
 
     // Removing random items breaks the invariant so we have to re-establish it.
@@ -134,7 +134,7 @@ void CoreTiming::UnscheduleEvent(const std::shared_ptr<EventType>& event_type, u
 
 void CoreTiming::AddTicks(u64 ticks) {
     this->ticks += ticks;
-    downcount -= ticks;
+    downcount -= static_cast<s64>(ticks);
 }
 
 void CoreTiming::Idle() {
@@ -195,8 +195,9 @@ std::optional<s64> CoreTiming::Advance() {
         event_queue.pop_back();
         basic_lock.unlock();
 
-        if (auto event_type{evt.type.lock()}) {
-            event_type->callback(evt.userdata, global_timer - evt.time);
+        if (const auto event_type{evt.type.lock()}) {
+            event_type->callback(
+                evt.user_data, std::chrono::nanoseconds{static_cast<s64>(global_timer - evt.time)});
         }
 
         basic_lock.lock();
diff --git a/src/core/core_timing.h b/src/core/core_timing.h
index 72faaab64..b0b6036e4 100644
--- a/src/core/core_timing.h
+++ b/src/core/core_timing.h
@@ -17,14 +17,13 @@
 #include "common/common_types.h"
 #include "common/spin_lock.h"
 #include "common/thread.h"
-#include "common/threadsafe_queue.h"
 #include "common/wall_clock.h"
-#include "core/hardware_properties.h"
 
 namespace Core::Timing {
 
 /// A callback that may be scheduled for a particular core timing event.
-using TimedCallback = std::function<void(u64 userdata, s64 cycles_late)>;
+using TimedCallback =
+    std::function<void(std::uintptr_t user_data, std::chrono::nanoseconds ns_late)>;
 
 /// Contains the characteristics of a particular event.
 struct EventType {
@@ -42,12 +41,12 @@ struct EventType {
  * in main CPU clock cycles.
  *
  * To schedule an event, you first have to register its type. This is where you pass in the
- * callback. You then schedule events using the type id you get back.
+ * callback. You then schedule events using the type ID you get back.
  *
- * The int cyclesLate that the callbacks get is how many cycles late it was.
+ * The s64 ns_late that the callbacks get is how many ns late it was.
  * So to schedule a new event on a regular basis:
  * inside callback:
- *   ScheduleEvent(periodInCycles - cyclesLate, callback, "whatever")
+ *   ScheduleEvent(period_in_ns - ns_late, callback, "whatever")
  */
 class CoreTiming {
 public:
@@ -62,7 +61,7 @@ public:
 
     /// CoreTiming begins at the boundary of timing slice -1. An initial call to Advance() is
     /// required to end slice - 1 and start slice 0 before the first cycle of code is executed.
-    void Initialize(std::function<void(void)>&& on_thread_init_);
+    void Initialize(std::function<void()>&& on_thread_init_);
 
     /// Tears down all timing related functionality.
     void Shutdown();
@@ -95,10 +94,10 @@ public:
     bool HasPendingEvents() const;
 
     /// Schedules an event in core timing
-    void ScheduleEvent(s64 ns_into_future, const std::shared_ptr<EventType>& event_type,
-                       u64 userdata = 0);
+    void ScheduleEvent(std::chrono::nanoseconds ns_into_future,
+                       const std::shared_ptr<EventType>& event_type, std::uintptr_t user_data = 0);
 
-    void UnscheduleEvent(const std::shared_ptr<EventType>& event_type, u64 userdata);
+    void UnscheduleEvent(const std::shared_ptr<EventType>& event_type, std::uintptr_t user_data);
 
     /// We only permit one event of each type in the queue at a time.
     void RemoveEvent(const std::shared_ptr<EventType>& event_type);
@@ -141,8 +140,6 @@ private:
 
     u64 global_timer = 0;
 
-    std::chrono::nanoseconds start_point;
-
     // The queue is a min-heap using std::make_heap/push_heap/pop_heap.
     // We don't use std::priority_queue because we need to be able to serialize, unserialize and
     // erase arbitrary events (RemoveEvent()) regardless of the queue order. These aren't
@@ -161,7 +158,7 @@ private:
     std::atomic<bool> wait_set{};
     std::atomic<bool> shutting_down{};
     std::atomic<bool> has_started{};
-    std::function<void(void)> on_thread_init{};
+    std::function<void()> on_thread_init{};
 
     bool is_multicore{};
 
diff --git a/src/core/core_timing_util.cpp b/src/core/core_timing_util.cpp
index aefc63663..8ce8e602e 100644
--- a/src/core/core_timing_util.cpp
+++ b/src/core/core_timing_util.cpp
@@ -8,6 +8,7 @@
 #include <limits>
 #include "common/logging/log.h"
 #include "common/uint128.h"
+#include "core/hardware_properties.h"
 
 namespace Core::Timing {
 
diff --git a/src/core/core_timing_util.h b/src/core/core_timing_util.h
index 2ed979e14..e4a046bf9 100644
--- a/src/core/core_timing_util.h
+++ b/src/core/core_timing_util.h
@@ -6,7 +6,6 @@
 
 #include <chrono>
 #include "common/common_types.h"
-#include "core/hardware_properties.h"
 
 namespace Core::Timing {
 
diff --git a/src/core/cpu_manager.cpp b/src/core/cpu_manager.cpp
index 32afcf3ae..688b99eba 100644
--- a/src/core/cpu_manager.cpp
+++ b/src/core/cpu_manager.cpp
@@ -41,9 +41,9 @@ void CpuManager::Shutdown() {
     running_mode = false;
     Pause(false);
     if (is_multicore) {
-        for (std::size_t core = 0; core < Core::Hardware::NUM_CPU_CORES; core++) {
-            core_data[core].host_thread->join();
-            core_data[core].host_thread.reset();
+        for (auto& data : core_data) {
+            data.host_thread->join();
+            data.host_thread.reset();
         }
     } else {
         core_data[0].host_thread->join();
@@ -52,15 +52,15 @@ void CpuManager::Shutdown() {
 }
 
 std::function<void(void*)> CpuManager::GetGuestThreadStartFunc() {
-    return std::function<void(void*)>(GuestThreadFunction);
+    return GuestThreadFunction;
 }
 
 std::function<void(void*)> CpuManager::GetIdleThreadStartFunc() {
-    return std::function<void(void*)>(IdleThreadFunction);
+    return IdleThreadFunction;
 }
 
 std::function<void(void*)> CpuManager::GetSuspendThreadStartFunc() {
-    return std::function<void(void*)>(SuspendThreadFunction);
+    return SuspendThreadFunction;
 }
 
 void CpuManager::GuestThreadFunction(void* cpu_manager_) {
@@ -166,25 +166,23 @@ void CpuManager::MultiCorePause(bool paused) {
         bool all_not_barrier = false;
         while (!all_not_barrier) {
             all_not_barrier = true;
-            for (std::size_t core = 0; core < Core::Hardware::NUM_CPU_CORES; core++) {
-                all_not_barrier &=
-                    !core_data[core].is_running.load() && core_data[core].initialized.load();
+            for (const auto& data : core_data) {
+                all_not_barrier &= !data.is_running.load() && data.initialized.load();
             }
         }
-        for (std::size_t core = 0; core < Core::Hardware::NUM_CPU_CORES; core++) {
-            core_data[core].enter_barrier->Set();
+        for (auto& data : core_data) {
+            data.enter_barrier->Set();
         }
         if (paused_state.load()) {
             bool all_barrier = false;
             while (!all_barrier) {
                 all_barrier = true;
-                for (std::size_t core = 0; core < Core::Hardware::NUM_CPU_CORES; core++) {
-                    all_barrier &=
-                        core_data[core].is_paused.load() && core_data[core].initialized.load();
+                for (const auto& data : core_data) {
+                    all_barrier &= data.is_paused.load() && data.initialized.load();
                 }
             }
-            for (std::size_t core = 0; core < Core::Hardware::NUM_CPU_CORES; core++) {
-                core_data[core].exit_barrier->Set();
+            for (auto& data : core_data) {
+                data.exit_barrier->Set();
             }
         }
     } else {
@@ -192,9 +190,8 @@ void CpuManager::MultiCorePause(bool paused) {
         bool all_barrier = false;
         while (!all_barrier) {
             all_barrier = true;
-            for (std::size_t core = 0; core < Core::Hardware::NUM_CPU_CORES; core++) {
-                all_barrier &=
-                    core_data[core].is_paused.load() && core_data[core].initialized.load();
+            for (const auto& data : core_data) {
+                all_barrier &= data.is_paused.load() && data.initialized.load();
             }
         }
         /// Don't release the barrier
@@ -331,7 +328,7 @@ void CpuManager::RunThread(std::size_t core) {
     system.RegisterCoreThread(core);
     std::string name;
     if (is_multicore) {
-        name = "yuzu:CoreCPUThread_" + std::to_string(core);
+        name = "yuzu:CPUCore_" + std::to_string(core);
     } else {
         name = "yuzu:CPUThread";
     }
diff --git a/src/core/crypto/aes_util.cpp b/src/core/crypto/aes_util.cpp
index 4be76bb43..6a9734812 100644
--- a/src/core/crypto/aes_util.cpp
+++ b/src/core/crypto/aes_util.cpp
@@ -2,6 +2,7 @@
 // Licensed under GPLv2 or any later version
 // Refer to the license.txt file included.
 
+#include <array>
 #include <mbedtls/cipher.h>
 #include "common/assert.h"
 #include "common/logging/log.h"
@@ -10,8 +11,10 @@
 
 namespace Core::Crypto {
 namespace {
-std::vector<u8> CalculateNintendoTweak(std::size_t sector_id) {
-    std::vector<u8> out(0x10);
+using NintendoTweak = std::array<u8, 16>;
+
+NintendoTweak CalculateNintendoTweak(std::size_t sector_id) {
+    NintendoTweak out{};
     for (std::size_t i = 0xF; i <= 0xF; --i) {
         out[i] = sector_id & 0xFF;
         sector_id >>= 8;
@@ -64,13 +67,6 @@ AESCipher<Key, KeySize>::~AESCipher() {
 }
 
 template <typename Key, std::size_t KeySize>
-void AESCipher<Key, KeySize>::SetIV(std::vector<u8> iv) {
-    ASSERT_MSG((mbedtls_cipher_set_iv(&ctx->encryption_context, iv.data(), iv.size()) ||
-                mbedtls_cipher_set_iv(&ctx->decryption_context, iv.data(), iv.size())) == 0,
-               "Failed to set IV on mbedtls ciphers.");
-}
-
-template <typename Key, std::size_t KeySize>
 void AESCipher<Key, KeySize>::Transcode(const u8* src, std::size_t size, u8* dest, Op op) const {
     auto* const context = op == Op::Encrypt ? &ctx->encryption_context : &ctx->decryption_context;
 
@@ -120,10 +116,17 @@ void AESCipher<Key, KeySize>::XTSTranscode(const u8* src, std::size_t size, u8*
 
     for (std::size_t i = 0; i < size; i += sector_size) {
         SetIV(CalculateNintendoTweak(sector_id++));
-        Transcode<u8, u8>(src + i, sector_size, dest + i, op);
+        Transcode(src + i, sector_size, dest + i, op);
     }
 }
 
+template <typename Key, std::size_t KeySize>
+void AESCipher<Key, KeySize>::SetIVImpl(const u8* data, std::size_t size) {
+    ASSERT_MSG((mbedtls_cipher_set_iv(&ctx->encryption_context, data, size) ||
+                mbedtls_cipher_set_iv(&ctx->decryption_context, data, size)) == 0,
+               "Failed to set IV on mbedtls ciphers.");
+}
+
 template class AESCipher<Key128>;
 template class AESCipher<Key256>;
 } // namespace Core::Crypto
diff --git a/src/core/crypto/aes_util.h b/src/core/crypto/aes_util.h
index edc4ab910..e2a304186 100644
--- a/src/core/crypto/aes_util.h
+++ b/src/core/crypto/aes_util.h
@@ -6,7 +6,6 @@
 
 #include <memory>
 #include <type_traits>
-#include <vector>
 #include "common/common_types.h"
 #include "core/file_sys/vfs.h"
 
@@ -32,10 +31,12 @@ class AESCipher {
 
 public:
     AESCipher(Key key, Mode mode);
-
     ~AESCipher();
 
-    void SetIV(std::vector<u8> iv);
+    template <typename ContiguousContainer>
+    void SetIV(const ContiguousContainer& container) {
+        SetIVImpl(std::data(container), std::size(container));
+    }
 
     template <typename Source, typename Dest>
     void Transcode(const Source* src, std::size_t size, Dest* dest, Op op) const {
@@ -59,6 +60,8 @@ public:
                       std::size_t sector_size, Op op);
 
 private:
+    void SetIVImpl(const u8* data, std::size_t size);
+
     std::unique_ptr<CipherContext> ctx;
 };
 } // namespace Core::Crypto
diff --git a/src/core/crypto/ctr_encryption_layer.cpp b/src/core/crypto/ctr_encryption_layer.cpp
index 902841c77..5c84bb0a4 100644
--- a/src/core/crypto/ctr_encryption_layer.cpp
+++ b/src/core/crypto/ctr_encryption_layer.cpp
@@ -2,6 +2,7 @@
 // Licensed under GPLv2 or any later version
 // Refer to the license.txt file included.
 
+#include <algorithm>
 #include <cstring>
 #include "common/assert.h"
 #include "core/crypto/ctr_encryption_layer.h"
@@ -10,8 +11,7 @@ namespace Core::Crypto {
 
 CTREncryptionLayer::CTREncryptionLayer(FileSys::VirtualFile base_, Key128 key_,
                                        std::size_t base_offset)
-    : EncryptionLayer(std::move(base_)), base_offset(base_offset), cipher(key_, Mode::CTR),
-      iv(16, 0) {}
+    : EncryptionLayer(std::move(base_)), base_offset(base_offset), cipher(key_, Mode::CTR) {}
 
 std::size_t CTREncryptionLayer::Read(u8* data, std::size_t length, std::size_t offset) const {
     if (length == 0)
@@ -39,9 +39,8 @@ std::size_t CTREncryptionLayer::Read(u8* data, std::size_t length, std::size_t o
     return read + Read(data + read, length - read, offset + read);
 }
 
-void CTREncryptionLayer::SetIV(const std::vector<u8>& iv_) {
-    const auto length = std::min(iv_.size(), iv.size());
-    iv.assign(iv_.cbegin(), iv_.cbegin() + length);
+void CTREncryptionLayer::SetIV(const IVData& iv_) {
+    iv = iv_;
 }
 
 void CTREncryptionLayer::UpdateIV(std::size_t offset) const {
diff --git a/src/core/crypto/ctr_encryption_layer.h b/src/core/crypto/ctr_encryption_layer.h
index a7bf810f4..a2429f001 100644
--- a/src/core/crypto/ctr_encryption_layer.h
+++ b/src/core/crypto/ctr_encryption_layer.h
@@ -4,7 +4,8 @@
 
 #pragma once
 
-#include <vector>
+#include <array>
+
 #include "core/crypto/aes_util.h"
 #include "core/crypto/encryption_layer.h"
 #include "core/crypto/key_manager.h"
@@ -14,18 +15,20 @@ namespace Core::Crypto {
 // Sits on top of a VirtualFile and provides CTR-mode AES decription.
 class CTREncryptionLayer : public EncryptionLayer {
 public:
+    using IVData = std::array<u8, 16>;
+
     CTREncryptionLayer(FileSys::VirtualFile base, Key128 key, std::size_t base_offset);
 
     std::size_t Read(u8* data, std::size_t length, std::size_t offset) const override;
 
-    void SetIV(const std::vector<u8>& iv);
+    void SetIV(const IVData& iv);
 
 private:
     std::size_t base_offset;
 
     // Must be mutable as operations modify cipher contexts.
     mutable AESCipher<Key128> cipher;
-    mutable std::vector<u8> iv;
+    mutable IVData iv{};
 
     void UpdateIV(std::size_t offset) const;
 };
diff --git a/src/core/crypto/key_manager.cpp b/src/core/crypto/key_manager.cpp
index f87fe0abc..65d246050 100644
--- a/src/core/crypto/key_manager.cpp
+++ b/src/core/crypto/key_manager.cpp
@@ -23,7 +23,6 @@
 #include "common/hex_util.h"
 #include "common/logging/log.h"
 #include "common/string_util.h"
-#include "core/core.h"
 #include "core/crypto/aes_util.h"
 #include "core/crypto/key_manager.h"
 #include "core/crypto/partition_data_manager.h"
@@ -36,18 +35,86 @@
 #include "core/settings.h"
 
 namespace Core::Crypto {
+namespace {
 
 constexpr u64 CURRENT_CRYPTO_REVISION = 0x5;
 constexpr u64 FULL_TICKET_SIZE = 0x400;
 
-using namespace Common;
+using Common::AsArray;
 
-const std::array<SHA256Hash, 2> eticket_source_hashes{
-    "B71DB271DC338DF380AA2C4335EF8873B1AFD408E80B3582D8719FC81C5E511C"_array32, // eticket_rsa_kek_source
-    "E8965A187D30E57869F562D04383C996DE487BBA5761363D2D4D32391866A85C"_array32, // eticket_rsa_kekek_source
+// clang-format off
+constexpr std::array eticket_source_hashes{
+    AsArray("B71DB271DC338DF380AA2C4335EF8873B1AFD408E80B3582D8719FC81C5E511C"), // eticket_rsa_kek_source
+    AsArray("E8965A187D30E57869F562D04383C996DE487BBA5761363D2D4D32391866A85C"), // eticket_rsa_kekek_source
 };
+// clang-format on
 
-const std::map<std::pair<S128KeyType, u64>, std::string> KEYS_VARIABLE_LENGTH{
+constexpr std::array<std::pair<std::string_view, KeyIndex<S128KeyType>>, 30> s128_file_id{{
+    {"eticket_rsa_kek", {S128KeyType::ETicketRSAKek, 0, 0}},
+    {"eticket_rsa_kek_source",
+     {S128KeyType::Source, static_cast<u64>(SourceKeyType::ETicketKek), 0}},
+    {"eticket_rsa_kekek_source",
+     {S128KeyType::Source, static_cast<u64>(SourceKeyType::ETicketKekek), 0}},
+    {"rsa_kek_mask_0", {S128KeyType::RSAKek, static_cast<u64>(RSAKekType::Mask0), 0}},
+    {"rsa_kek_seed_3", {S128KeyType::RSAKek, static_cast<u64>(RSAKekType::Seed3), 0}},
+    {"rsa_oaep_kek_generation_source",
+     {S128KeyType::Source, static_cast<u64>(SourceKeyType::RSAOaepKekGeneration), 0}},
+    {"sd_card_kek_source", {S128KeyType::Source, static_cast<u64>(SourceKeyType::SDKek), 0}},
+    {"aes_kek_generation_source",
+     {S128KeyType::Source, static_cast<u64>(SourceKeyType::AESKekGeneration), 0}},
+    {"aes_key_generation_source",
+     {S128KeyType::Source, static_cast<u64>(SourceKeyType::AESKeyGeneration), 0}},
+    {"package2_key_source", {S128KeyType::Source, static_cast<u64>(SourceKeyType::Package2), 0}},
+    {"master_key_source", {S128KeyType::Source, static_cast<u64>(SourceKeyType::Master), 0}},
+    {"header_kek_source", {S128KeyType::Source, static_cast<u64>(SourceKeyType::HeaderKek), 0}},
+    {"key_area_key_application_source",
+     {S128KeyType::Source, static_cast<u64>(SourceKeyType::KeyAreaKey),
+      static_cast<u64>(KeyAreaKeyType::Application)}},
+    {"key_area_key_ocean_source",
+     {S128KeyType::Source, static_cast<u64>(SourceKeyType::KeyAreaKey),
+      static_cast<u64>(KeyAreaKeyType::Ocean)}},
+    {"key_area_key_system_source",
+     {S128KeyType::Source, static_cast<u64>(SourceKeyType::KeyAreaKey),
+      static_cast<u64>(KeyAreaKeyType::System)}},
+    {"titlekek_source", {S128KeyType::Source, static_cast<u64>(SourceKeyType::Titlekek), 0}},
+    {"keyblob_mac_key_source",
+     {S128KeyType::Source, static_cast<u64>(SourceKeyType::KeyblobMAC), 0}},
+    {"tsec_key", {S128KeyType::TSEC, 0, 0}},
+    {"secure_boot_key", {S128KeyType::SecureBoot, 0, 0}},
+    {"sd_seed", {S128KeyType::SDSeed, 0, 0}},
+    {"bis_key_0_crypt", {S128KeyType::BIS, 0, static_cast<u64>(BISKeyType::Crypto)}},
+    {"bis_key_0_tweak", {S128KeyType::BIS, 0, static_cast<u64>(BISKeyType::Tweak)}},
+    {"bis_key_1_crypt", {S128KeyType::BIS, 1, static_cast<u64>(BISKeyType::Crypto)}},
+    {"bis_key_1_tweak", {S128KeyType::BIS, 1, static_cast<u64>(BISKeyType::Tweak)}},
+    {"bis_key_2_crypt", {S128KeyType::BIS, 2, static_cast<u64>(BISKeyType::Crypto)}},
+    {"bis_key_2_tweak", {S128KeyType::BIS, 2, static_cast<u64>(BISKeyType::Tweak)}},
+    {"bis_key_3_crypt", {S128KeyType::BIS, 3, static_cast<u64>(BISKeyType::Crypto)}},
+    {"bis_key_3_tweak", {S128KeyType::BIS, 3, static_cast<u64>(BISKeyType::Tweak)}},
+    {"header_kek", {S128KeyType::HeaderKek, 0, 0}},
+    {"sd_card_kek", {S128KeyType::SDKek, 0, 0}},
+}};
+
+auto Find128ByName(std::string_view name) {
+    return std::find_if(s128_file_id.begin(), s128_file_id.end(),
+                        [&name](const auto& pair) { return pair.first == name; });
+}
+
+constexpr std::array<std::pair<std::string_view, KeyIndex<S256KeyType>>, 6> s256_file_id{{
+    {"header_key", {S256KeyType::Header, 0, 0}},
+    {"sd_card_save_key_source", {S256KeyType::SDKeySource, static_cast<u64>(SDKeyType::Save), 0}},
+    {"sd_card_nca_key_source", {S256KeyType::SDKeySource, static_cast<u64>(SDKeyType::NCA), 0}},
+    {"header_key_source", {S256KeyType::HeaderSource, 0, 0}},
+    {"sd_card_save_key", {S256KeyType::SDKey, static_cast<u64>(SDKeyType::Save), 0}},
+    {"sd_card_nca_key", {S256KeyType::SDKey, static_cast<u64>(SDKeyType::NCA), 0}},
+}};
+
+auto Find256ByName(std::string_view name) {
+    return std::find_if(s256_file_id.begin(), s256_file_id.end(),
+                        [&name](const auto& pair) { return pair.first == name; });
+}
+
+using KeyArray = std::array<std::pair<std::pair<S128KeyType, u64>, std::string_view>, 7>;
+constexpr KeyArray KEYS_VARIABLE_LENGTH{{
     {{S128KeyType::Master, 0}, "master_key_"},
     {{S128KeyType::Package1, 0}, "package1_key_"},
     {{S128KeyType::Package2, 0}, "package2_key_"},
@@ -55,14 +122,13 @@ const std::map<std::pair<S128KeyType, u64>, std::string> KEYS_VARIABLE_LENGTH{
     {{S128KeyType::Source, static_cast<u64>(SourceKeyType::Keyblob)}, "keyblob_key_source_"},
     {{S128KeyType::Keyblob, 0}, "keyblob_key_"},
     {{S128KeyType::KeyblobMAC, 0}, "keyblob_mac_key_"},
-};
+}};
 
-namespace {
 template <std::size_t Size>
 bool IsAllZeroArray(const std::array<u8, Size>& array) {
     return std::all_of(array.begin(), array.end(), [](const auto& elem) { return elem == 0; });
 }
-} // namespace
+} // Anonymous namespace
 
 u64 GetSignatureTypeDataSize(SignatureType type) {
     switch (type) {
@@ -94,13 +160,13 @@ u64 GetSignatureTypePaddingSize(SignatureType type) {
 }
 
 SignatureType Ticket::GetSignatureType() const {
-    if (auto ticket = std::get_if<RSA4096Ticket>(&data)) {
+    if (const auto* ticket = std::get_if<RSA4096Ticket>(&data)) {
         return ticket->sig_type;
     }
-    if (auto ticket = std::get_if<RSA2048Ticket>(&data)) {
+    if (const auto* ticket = std::get_if<RSA2048Ticket>(&data)) {
         return ticket->sig_type;
     }
-    if (auto ticket = std::get_if<ECDSATicket>(&data)) {
+    if (const auto* ticket = std::get_if<ECDSATicket>(&data)) {
         return ticket->sig_type;
     }
 
@@ -108,13 +174,13 @@ SignatureType Ticket::GetSignatureType() const {
 }
 
 TicketData& Ticket::GetData() {
-    if (auto ticket = std::get_if<RSA4096Ticket>(&data)) {
+    if (auto* ticket = std::get_if<RSA4096Ticket>(&data)) {
         return ticket->data;
     }
-    if (auto ticket = std::get_if<RSA2048Ticket>(&data)) {
+    if (auto* ticket = std::get_if<RSA2048Ticket>(&data)) {
         return ticket->data;
     }
-    if (auto ticket = std::get_if<ECDSATicket>(&data)) {
+    if (auto* ticket = std::get_if<ECDSATicket>(&data)) {
         return ticket->data;
     }
 
@@ -122,13 +188,13 @@ TicketData& Ticket::GetData() {
 }
 
 const TicketData& Ticket::GetData() const {
-    if (auto ticket = std::get_if<RSA4096Ticket>(&data)) {
+    if (const auto* ticket = std::get_if<RSA4096Ticket>(&data)) {
         return ticket->data;
     }
-    if (auto ticket = std::get_if<RSA2048Ticket>(&data)) {
+    if (const auto* ticket = std::get_if<RSA2048Ticket>(&data)) {
         return ticket->data;
     }
-    if (auto ticket = std::get_if<ECDSATicket>(&data)) {
+    if (const auto* ticket = std::get_if<ECDSATicket>(&data)) {
         return ticket->data;
     }
 
@@ -231,8 +297,9 @@ void KeyManager::DeriveGeneralPurposeKeys(std::size_t crypto_revision) {
 }
 
 RSAKeyPair<2048> KeyManager::GetETicketRSAKey() const {
-    if (IsAllZeroArray(eticket_extended_kek) || !HasKey(S128KeyType::ETicketRSAKek))
+    if (IsAllZeroArray(eticket_extended_kek) || !HasKey(S128KeyType::ETicketRSAKek)) {
         return {};
+    }
 
     const auto eticket_final = GetKey(S128KeyType::ETicketRSAKek);
 
@@ -259,27 +326,30 @@ Key128 DeriveKeyblobMACKey(const Key128& keyblob_key, const Key128& mac_source)
 }
 
 std::optional<Key128> DeriveSDSeed() {
-    const FileUtil::IOFile save_43(FileUtil::GetUserPath(FileUtil::UserPath::NANDDir) +
-                                       "/system/save/8000000000000043",
-                                   "rb+");
-    if (!save_43.IsOpen())
-        return {};
+    const Common::FS::IOFile save_43(Common::FS::GetUserPath(Common::FS::UserPath::NANDDir) +
+                                         "/system/save/8000000000000043",
+                                     "rb+");
+    if (!save_43.IsOpen()) {
+        return std::nullopt;
+    }
 
-    const FileUtil::IOFile sd_private(
-        FileUtil::GetUserPath(FileUtil::UserPath::SDMCDir) + "/Nintendo/Contents/private", "rb+");
-    if (!sd_private.IsOpen())
-        return {};
+    const Common::FS::IOFile sd_private(Common::FS::GetUserPath(Common::FS::UserPath::SDMCDir) +
+                                            "/Nintendo/Contents/private",
+                                        "rb+");
+    if (!sd_private.IsOpen()) {
+        return std::nullopt;
+    }
 
     std::array<u8, 0x10> private_seed{};
     if (sd_private.ReadBytes(private_seed.data(), private_seed.size()) != private_seed.size()) {
-        return {};
+        return std::nullopt;
     }
 
     std::array<u8, 0x10> buffer{};
     std::size_t offset = 0;
     for (; offset + 0x10 < save_43.GetSize(); ++offset) {
         if (!save_43.Seek(offset, SEEK_SET)) {
-            return {};
+            return std::nullopt;
         }
 
         save_43.ReadBytes(buffer.data(), buffer.size());
@@ -289,23 +359,26 @@ std::optional<Key128> DeriveSDSeed() {
     }
 
     if (!save_43.Seek(offset + 0x10, SEEK_SET)) {
-        return {};
+        return std::nullopt;
     }
 
     Key128 seed{};
     if (save_43.ReadBytes(seed.data(), seed.size()) != seed.size()) {
-        return {};
+        return std::nullopt;
     }
     return seed;
 }
 
 Loader::ResultStatus DeriveSDKeys(std::array<Key256, 2>& sd_keys, KeyManager& keys) {
-    if (!keys.HasKey(S128KeyType::Source, static_cast<u64>(SourceKeyType::SDKek)))
+    if (!keys.HasKey(S128KeyType::Source, static_cast<u64>(SourceKeyType::SDKek))) {
         return Loader::ResultStatus::ErrorMissingSDKEKSource;
-    if (!keys.HasKey(S128KeyType::Source, static_cast<u64>(SourceKeyType::AESKekGeneration)))
+    }
+    if (!keys.HasKey(S128KeyType::Source, static_cast<u64>(SourceKeyType::AESKekGeneration))) {
         return Loader::ResultStatus::ErrorMissingAESKEKGenerationSource;
-    if (!keys.HasKey(S128KeyType::Source, static_cast<u64>(SourceKeyType::AESKeyGeneration)))
+    }
+    if (!keys.HasKey(S128KeyType::Source, static_cast<u64>(SourceKeyType::AESKeyGeneration))) {
         return Loader::ResultStatus::ErrorMissingAESKeyGenerationSource;
+    }
 
     const auto sd_kek_source =
         keys.GetKey(S128KeyType::Source, static_cast<u64>(SourceKeyType::SDKek));
@@ -318,14 +391,17 @@ Loader::ResultStatus DeriveSDKeys(std::array<Key256, 2>& sd_keys, KeyManager& ke
         GenerateKeyEncryptionKey(sd_kek_source, master_00, aes_kek_gen, aes_key_gen);
     keys.SetKey(S128KeyType::SDKek, sd_kek);
 
-    if (!keys.HasKey(S128KeyType::SDSeed))
+    if (!keys.HasKey(S128KeyType::SDSeed)) {
         return Loader::ResultStatus::ErrorMissingSDSeed;
+    }
     const auto sd_seed = keys.GetKey(S128KeyType::SDSeed);
 
-    if (!keys.HasKey(S256KeyType::SDKeySource, static_cast<u64>(SDKeyType::Save)))
+    if (!keys.HasKey(S256KeyType::SDKeySource, static_cast<u64>(SDKeyType::Save))) {
         return Loader::ResultStatus::ErrorMissingSDSaveKeySource;
-    if (!keys.HasKey(S256KeyType::SDKeySource, static_cast<u64>(SDKeyType::NCA)))
+    }
+    if (!keys.HasKey(S256KeyType::SDKeySource, static_cast<u64>(SDKeyType::NCA))) {
         return Loader::ResultStatus::ErrorMissingSDNCAKeySource;
+    }
 
     std::array<Key256, 2> sd_key_sources{
         keys.GetKey(S256KeyType::SDKeySource, static_cast<u64>(SDKeyType::Save)),
@@ -334,8 +410,9 @@ Loader::ResultStatus DeriveSDKeys(std::array<Key256, 2>& sd_keys, KeyManager& ke
 
     // Combine sources and seed
     for (auto& source : sd_key_sources) {
-        for (std::size_t i = 0; i < source.size(); ++i)
+        for (std::size_t i = 0; i < source.size(); ++i) {
             source[i] ^= sd_seed[i & 0xF];
+        }
     }
 
     AESCipher<Key128> cipher(sd_kek, Mode::ECB);
@@ -353,9 +430,10 @@ Loader::ResultStatus DeriveSDKeys(std::array<Key256, 2>& sd_keys, KeyManager& ke
     return Loader::ResultStatus::Success;
 }
 
-std::vector<Ticket> GetTicketblob(const FileUtil::IOFile& ticket_save) {
-    if (!ticket_save.IsOpen())
+std::vector<Ticket> GetTicketblob(const Common::FS::IOFile& ticket_save) {
+    if (!ticket_save.IsOpen()) {
         return {};
+    }
 
     std::vector<u8> buffer(ticket_save.GetSize());
     if (ticket_save.ReadBytes(buffer.data(), buffer.size()) != buffer.size()) {
@@ -415,7 +493,7 @@ static std::optional<u64> FindTicketOffset(const std::array<u8, size>& data) {
             offset = i + 1;
             break;
         } else if (data[i] != 0x0) {
-            return {};
+            return std::nullopt;
         }
     }
 
@@ -425,16 +503,18 @@ static std::optional<u64> FindTicketOffset(const std::array<u8, size>& data) {
 std::optional<std::pair<Key128, Key128>> ParseTicket(const Ticket& ticket,
                                                      const RSAKeyPair<2048>& key) {
     const auto issuer = ticket.GetData().issuer;
-    if (IsAllZeroArray(issuer))
-        return {};
+    if (IsAllZeroArray(issuer)) {
+        return std::nullopt;
+    }
     if (issuer[0] != 'R' || issuer[1] != 'o' || issuer[2] != 'o' || issuer[3] != 't') {
         LOG_INFO(Crypto, "Attempting to parse ticket with non-standard certificate authority.");
     }
 
     Key128 rights_id = ticket.GetData().rights_id;
 
-    if (rights_id == Key128{})
-        return {};
+    if (rights_id == Key128{}) {
+        return std::nullopt;
+    }
 
     if (!std::any_of(ticket.GetData().title_key_common_pad.begin(),
                      ticket.GetData().title_key_common_pad.end(), [](u8 b) { return b != 0; })) {
@@ -466,15 +546,17 @@ std::optional<std::pair<Key128, Key128>> ParseTicket(const Ticket& ticket,
     std::array<u8, 0xDF> m_2;
     std::memcpy(m_2.data(), rsa_step.data() + 0x21, m_2.size());
 
-    if (m_0 != 0)
-        return {};
+    if (m_0 != 0) {
+        return std::nullopt;
+    }
 
     m_1 = m_1 ^ MGF1<0x20>(m_2);
     m_2 = m_2 ^ MGF1<0xDF>(m_1);
 
     const auto offset = FindTicketOffset(m_2);
-    if (!offset)
-        return {};
+    if (!offset) {
+        return std::nullopt;
+    }
     ASSERT(*offset > 0);
 
     Key128 key_temp{};
@@ -485,8 +567,8 @@ std::optional<std::pair<Key128, Key128>> ParseTicket(const Ticket& ticket,
 
 KeyManager::KeyManager() {
     // Initialize keys
-    const std::string hactool_keys_dir = FileUtil::GetHactoolConfigurationPath();
-    const std::string yuzu_keys_dir = FileUtil::GetUserPath(FileUtil::UserPath::KeysDir);
+    const std::string hactool_keys_dir = Common::FS::GetHactoolConfigurationPath();
+    const std::string yuzu_keys_dir = Common::FS::GetUserPath(Common::FS::UserPath::KeysDir);
     if (Settings::values.use_dev_keys) {
         dev_mode = true;
         AttemptLoadKeyFile(yuzu_keys_dir, hactool_keys_dir, "dev.keys", false);
@@ -504,34 +586,39 @@ KeyManager::KeyManager() {
 }
 
 static bool ValidCryptoRevisionString(std::string_view base, size_t begin, size_t length) {
-    if (base.size() < begin + length)
+    if (base.size() < begin + length) {
         return false;
+    }
     return std::all_of(base.begin() + begin, base.begin() + begin + length,
                        [](u8 c) { return std::isxdigit(c); });
 }
 
 void KeyManager::LoadFromFile(const std::string& filename, bool is_title_keys) {
     std::ifstream file;
-    OpenFStream(file, filename, std::ios_base::in);
-    if (!file.is_open())
+    Common::FS::OpenFStream(file, filename, std::ios_base::in);
+    if (!file.is_open()) {
         return;
+    }
 
     std::string line;
     while (std::getline(file, line)) {
         std::vector<std::string> out;
         std::stringstream stream(line);
         std::string item;
-        while (std::getline(stream, item, '='))
+        while (std::getline(stream, item, '=')) {
             out.push_back(std::move(item));
+        }
 
-        if (out.size() != 2)
+        if (out.size() != 2) {
             continue;
+        }
 
         out[0].erase(std::remove(out[0].begin(), out[0].end(), ' '), out[0].end());
         out[1].erase(std::remove(out[1].begin(), out[1].end(), ' '), out[1].end());
 
-        if (out[0].compare(0, 1, "#") == 0)
+        if (out[0].compare(0, 1, "#") == 0) {
             continue;
+        }
 
         if (is_title_keys) {
             auto rights_id_raw = Common::HexStringToArray<16>(out[0]);
@@ -541,24 +628,26 @@ void KeyManager::LoadFromFile(const std::string& filename, bool is_title_keys) {
             s128_keys[{S128KeyType::Titlekey, rights_id[1], rights_id[0]}] = key;
         } else {
             out[0] = Common::ToLower(out[0]);
-            if (s128_file_id.find(out[0]) != s128_file_id.end()) {
-                const auto index = s128_file_id.at(out[0]);
-                Key128 key = Common::HexStringToArray<16>(out[1]);
+            if (const auto iter128 = Find128ByName(out[0]); iter128 != s128_file_id.end()) {
+                const auto& index = iter128->second;
+                const Key128 key = Common::HexStringToArray<16>(out[1]);
                 s128_keys[{index.type, index.field1, index.field2}] = key;
-            } else if (s256_file_id.find(out[0]) != s256_file_id.end()) {
-                const auto index = s256_file_id.at(out[0]);
-                Key256 key = Common::HexStringToArray<32>(out[1]);
+            } else if (const auto iter256 = Find256ByName(out[0]); iter256 != s256_file_id.end()) {
+                const auto& index = iter256->second;
+                const Key256 key = Common::HexStringToArray<32>(out[1]);
                 s256_keys[{index.type, index.field1, index.field2}] = key;
             } else if (out[0].compare(0, 8, "keyblob_") == 0 &&
                        out[0].compare(0, 9, "keyblob_k") != 0) {
-                if (!ValidCryptoRevisionString(out[0], 8, 2))
+                if (!ValidCryptoRevisionString(out[0], 8, 2)) {
                     continue;
+                }
 
                 const auto index = std::stoul(out[0].substr(8, 2), nullptr, 16);
                 keyblobs[index] = Common::HexStringToArray<0x90>(out[1]);
             } else if (out[0].compare(0, 18, "encrypted_keyblob_") == 0) {
-                if (!ValidCryptoRevisionString(out[0], 18, 2))
+                if (!ValidCryptoRevisionString(out[0], 18, 2)) {
                     continue;
+                }
 
                 const auto index = std::stoul(out[0].substr(18, 2), nullptr, 16);
                 encrypted_keyblobs[index] = Common::HexStringToArray<0xB0>(out[1]);
@@ -566,8 +655,9 @@ void KeyManager::LoadFromFile(const std::string& filename, bool is_title_keys) {
                 eticket_extended_kek = Common::HexStringToArray<576>(out[1]);
             } else {
                 for (const auto& kv : KEYS_VARIABLE_LENGTH) {
-                    if (!ValidCryptoRevisionString(out[0], kv.second.size(), 2))
+                    if (!ValidCryptoRevisionString(out[0], kv.second.size(), 2)) {
                         continue;
+                    }
                     if (out[0].compare(0, kv.second.size(), kv.second) == 0) {
                         const auto index =
                             std::stoul(out[0].substr(kv.second.size(), 2), nullptr, 16);
@@ -602,10 +692,11 @@ void KeyManager::LoadFromFile(const std::string& filename, bool is_title_keys) {
 
 void KeyManager::AttemptLoadKeyFile(const std::string& dir1, const std::string& dir2,
                                     const std::string& filename, bool title) {
-    if (FileUtil::Exists(dir1 + DIR_SEP + filename))
+    if (Common::FS::Exists(dir1 + DIR_SEP + filename)) {
         LoadFromFile(dir1 + DIR_SEP + filename, title);
-    else if (FileUtil::Exists(dir2 + DIR_SEP + filename))
+    } else if (Common::FS::Exists(dir2 + DIR_SEP + filename)) {
         LoadFromFile(dir2 + DIR_SEP + filename, title);
+    }
 }
 
 bool KeyManager::BaseDeriveNecessary() const {
@@ -613,8 +704,9 @@ bool KeyManager::BaseDeriveNecessary() const {
         return !HasKey(key_type, index1, index2);
     };
 
-    if (check_key_existence(S256KeyType::Header))
+    if (check_key_existence(S256KeyType::Header)) {
         return true;
+    }
 
     for (size_t i = 0; i < CURRENT_CRYPTO_REVISION; ++i) {
         if (check_key_existence(S128KeyType::Master, i) ||
@@ -639,14 +731,16 @@ bool KeyManager::HasKey(S256KeyType id, u64 field1, u64 field2) const {
 }
 
 Key128 KeyManager::GetKey(S128KeyType id, u64 field1, u64 field2) const {
-    if (!HasKey(id, field1, field2))
+    if (!HasKey(id, field1, field2)) {
         return {};
+    }
     return s128_keys.at({id, field1, field2});
 }
 
 Key256 KeyManager::GetKey(S256KeyType id, u64 field1, u64 field2) const {
-    if (!HasKey(id, field1, field2))
+    if (!HasKey(id, field1, field2)) {
         return {};
+    }
     return s256_keys.at({id, field1, field2});
 }
 
@@ -668,7 +762,7 @@ Key256 KeyManager::GetBISKey(u8 partition_id) const {
 template <size_t Size>
 void KeyManager::WriteKeyToFile(KeyCategory category, std::string_view keyname,
                                 const std::array<u8, Size>& key) {
-    const std::string yuzu_keys_dir = FileUtil::GetUserPath(FileUtil::UserPath::KeysDir);
+    const std::string yuzu_keys_dir = Common::FS::GetUserPath(Common::FS::UserPath::KeysDir);
     std::string filename = "title.keys_autogenerated";
     if (category == KeyCategory::Standard) {
         filename = dev_mode ? "dev.keys_autogenerated" : "prod.keys_autogenerated";
@@ -677,9 +771,9 @@ void KeyManager::WriteKeyToFile(KeyCategory category, std::string_view keyname,
     }
 
     const auto path = yuzu_keys_dir + DIR_SEP + filename;
-    const auto add_info_text = !FileUtil::Exists(path);
-    FileUtil::CreateFullPath(path);
-    FileUtil::IOFile file{path, "a"};
+    const auto add_info_text = !Common::FS::Exists(path);
+    Common::FS::CreateFullPath(path);
+    Common::FS::IOFile file{path, "a"};
     if (!file.IsOpen()) {
         return;
     }
@@ -712,8 +806,7 @@ void KeyManager::SetKey(S128KeyType id, Key128 key, u64 field1, u64 field2) {
     }
 
     const auto iter2 = std::find_if(
-        s128_file_id.begin(), s128_file_id.end(),
-        [&id, &field1, &field2](const std::pair<std::string, KeyIndex<S128KeyType>> elem) {
+        s128_file_id.begin(), s128_file_id.end(), [&id, &field1, &field2](const auto& elem) {
             return std::tie(elem.second.type, elem.second.field1, elem.second.field2) ==
                    std::tie(id, field1, field2);
         });
@@ -723,9 +816,11 @@ void KeyManager::SetKey(S128KeyType id, Key128 key, u64 field1, u64 field2) {
 
     // Variable cases
     if (id == S128KeyType::KeyArea) {
-        static constexpr std::array<const char*, 3> kak_names = {"key_area_key_application_{:02X}",
-                                                                 "key_area_key_ocean_{:02X}",
-                                                                 "key_area_key_system_{:02X}"};
+        static constexpr std::array<const char*, 3> kak_names = {
+            "key_area_key_application_{:02X}",
+            "key_area_key_ocean_{:02X}",
+            "key_area_key_system_{:02X}",
+        };
         WriteKeyToFile(category, fmt::format(kak_names.at(field2), field1), key);
     } else if (id == S128KeyType::Master) {
         WriteKeyToFile(category, fmt::format("master_key_{:02X}", field1), key);
@@ -751,8 +846,7 @@ void KeyManager::SetKey(S256KeyType id, Key256 key, u64 field1, u64 field2) {
         return;
     }
     const auto iter = std::find_if(
-        s256_file_id.begin(), s256_file_id.end(),
-        [&id, &field1, &field2](const std::pair<std::string, KeyIndex<S256KeyType>> elem) {
+        s256_file_id.begin(), s256_file_id.end(), [&id, &field1, &field2](const auto& elem) {
             return std::tie(elem.second.type, elem.second.field1, elem.second.field2) ==
                    std::tie(id, field1, field2);
         });
@@ -763,29 +857,31 @@ void KeyManager::SetKey(S256KeyType id, Key256 key, u64 field1, u64 field2) {
 }
 
 bool KeyManager::KeyFileExists(bool title) {
-    const std::string hactool_keys_dir = FileUtil::GetHactoolConfigurationPath();
-    const std::string yuzu_keys_dir = FileUtil::GetUserPath(FileUtil::UserPath::KeysDir);
+    const std::string hactool_keys_dir = Common::FS::GetHactoolConfigurationPath();
+    const std::string yuzu_keys_dir = Common::FS::GetUserPath(Common::FS::UserPath::KeysDir);
     if (title) {
-        return FileUtil::Exists(hactool_keys_dir + DIR_SEP + "title.keys") ||
-               FileUtil::Exists(yuzu_keys_dir + DIR_SEP + "title.keys");
+        return Common::FS::Exists(hactool_keys_dir + DIR_SEP + "title.keys") ||
+               Common::FS::Exists(yuzu_keys_dir + DIR_SEP + "title.keys");
     }
 
     if (Settings::values.use_dev_keys) {
-        return FileUtil::Exists(hactool_keys_dir + DIR_SEP + "dev.keys") ||
-               FileUtil::Exists(yuzu_keys_dir + DIR_SEP + "dev.keys");
+        return Common::FS::Exists(hactool_keys_dir + DIR_SEP + "dev.keys") ||
+               Common::FS::Exists(yuzu_keys_dir + DIR_SEP + "dev.keys");
     }
 
-    return FileUtil::Exists(hactool_keys_dir + DIR_SEP + "prod.keys") ||
-           FileUtil::Exists(yuzu_keys_dir + DIR_SEP + "prod.keys");
+    return Common::FS::Exists(hactool_keys_dir + DIR_SEP + "prod.keys") ||
+           Common::FS::Exists(yuzu_keys_dir + DIR_SEP + "prod.keys");
 }
 
 void KeyManager::DeriveSDSeedLazy() {
-    if (HasKey(S128KeyType::SDSeed))
+    if (HasKey(S128KeyType::SDSeed)) {
         return;
+    }
 
     const auto res = DeriveSDSeed();
-    if (res)
+    if (res) {
         SetKey(S128KeyType::SDSeed, *res);
+    }
 }
 
 static Key128 CalculateCMAC(const u8* source, size_t size, const Key128& key) {
@@ -797,11 +893,13 @@ static Key128 CalculateCMAC(const u8* source, size_t size, const Key128& key) {
 }
 
 void KeyManager::DeriveBase() {
-    if (!BaseDeriveNecessary())
+    if (!BaseDeriveNecessary()) {
         return;
+    }
 
-    if (!HasKey(S128KeyType::SecureBoot) || !HasKey(S128KeyType::TSEC))
+    if (!HasKey(S128KeyType::SecureBoot) || !HasKey(S128KeyType::TSEC)) {
         return;
+    }
 
     const auto has_bis = [this](u64 id) {
         return HasKey(S128KeyType::BIS, id, static_cast<u64>(BISKeyType::Crypto)) &&
@@ -818,10 +916,11 @@ void KeyManager::DeriveBase() {
                static_cast<u64>(BISKeyType::Tweak));
     };
 
-    if (has_bis(2) && !has_bis(3))
+    if (has_bis(2) && !has_bis(3)) {
         copy_bis(2, 3);
-    else if (has_bis(3) && !has_bis(2))
+    } else if (has_bis(3) && !has_bis(2)) {
         copy_bis(3, 2);
+    }
 
     std::bitset<32> revisions(0xFFFFFFFF);
     for (size_t i = 0; i < revisions.size(); ++i) {
@@ -831,15 +930,17 @@ void KeyManager::DeriveBase() {
         }
     }
 
-    if (!revisions.any())
+    if (!revisions.any()) {
         return;
+    }
 
     const auto sbk = GetKey(S128KeyType::SecureBoot);
     const auto tsec = GetKey(S128KeyType::TSEC);
 
     for (size_t i = 0; i < revisions.size(); ++i) {
-        if (!revisions[i])
+        if (!revisions[i]) {
             continue;
+        }
 
         // Derive keyblob key
         const auto key = DeriveKeyblobKey(
@@ -848,16 +949,18 @@ void KeyManager::DeriveBase() {
         SetKey(S128KeyType::Keyblob, key, i);
 
         // Derive keyblob MAC key
-        if (!HasKey(S128KeyType::Source, static_cast<u64>(SourceKeyType::KeyblobMAC)))
+        if (!HasKey(S128KeyType::Source, static_cast<u64>(SourceKeyType::KeyblobMAC))) {
             continue;
+        }
 
         const auto mac_key = DeriveKeyblobMACKey(
             key, GetKey(S128KeyType::Source, static_cast<u64>(SourceKeyType::KeyblobMAC)));
         SetKey(S128KeyType::KeyblobMAC, mac_key, i);
 
         Key128 cmac = CalculateCMAC(encrypted_keyblobs[i].data() + 0x10, 0xA0, mac_key);
-        if (std::memcmp(cmac.data(), encrypted_keyblobs[i].data(), cmac.size()) != 0)
+        if (std::memcmp(cmac.data(), encrypted_keyblobs[i].data(), cmac.size()) != 0) {
             continue;
+        }
 
         // Decrypt keyblob
         if (keyblobs[i] == std::array<u8, 0x90>{}) {
@@ -881,16 +984,19 @@ void KeyManager::DeriveBase() {
 
     revisions.set();
     for (size_t i = 0; i < revisions.size(); ++i) {
-        if (!HasKey(S128KeyType::Master, i))
+        if (!HasKey(S128KeyType::Master, i)) {
             revisions.reset(i);
+        }
     }
 
-    if (!revisions.any())
+    if (!revisions.any()) {
         return;
+    }
 
     for (size_t i = 0; i < revisions.size(); ++i) {
-        if (!revisions[i])
+        if (!revisions[i]) {
             continue;
+        }
 
         // Derive general purpose keys
         DeriveGeneralPurposeKeys(i);
@@ -915,21 +1021,24 @@ void KeyManager::DeriveBase() {
     }
 }
 
-void KeyManager::DeriveETicket(PartitionDataManager& data) {
+void KeyManager::DeriveETicket(PartitionDataManager& data,
+                               const FileSys::ContentProvider& provider) {
     // ETicket keys
-    const auto es = Core::System::GetInstance().GetContentProvider().GetEntry(
-        0x0100000000000033, FileSys::ContentRecordType::Program);
+    const auto es = provider.GetEntry(0x0100000000000033, FileSys::ContentRecordType::Program);
 
-    if (es == nullptr)
+    if (es == nullptr) {
         return;
+    }
 
     const auto exefs = es->GetExeFS();
-    if (exefs == nullptr)
+    if (exefs == nullptr) {
         return;
+    }
 
     const auto main = exefs->GetFile("main");
-    if (main == nullptr)
+    if (main == nullptr) {
         return;
+    }
 
     const auto bytes = main->ReadAllBytes();
 
@@ -939,16 +1048,19 @@ void KeyManager::DeriveETicket(PartitionDataManager& data) {
     const auto seed3 = data.GetRSAKekSeed3();
     const auto mask0 = data.GetRSAKekMask0();
 
-    if (eticket_kek != Key128{})
+    if (eticket_kek != Key128{}) {
         SetKey(S128KeyType::Source, eticket_kek, static_cast<size_t>(SourceKeyType::ETicketKek));
+    }
     if (eticket_kekek != Key128{}) {
         SetKey(S128KeyType::Source, eticket_kekek,
                static_cast<size_t>(SourceKeyType::ETicketKekek));
     }
-    if (seed3 != Key128{})
+    if (seed3 != Key128{}) {
         SetKey(S128KeyType::RSAKek, seed3, static_cast<size_t>(RSAKekType::Seed3));
-    if (mask0 != Key128{})
+    }
+    if (mask0 != Key128{}) {
         SetKey(S128KeyType::RSAKek, mask0, static_cast<size_t>(RSAKekType::Mask0));
+    }
     if (eticket_kek == Key128{} || eticket_kekek == Key128{} || seed3 == Key128{} ||
         mask0 == Key128{}) {
         return;
@@ -974,8 +1086,9 @@ void KeyManager::DeriveETicket(PartitionDataManager& data) {
     AESCipher<Key128> es_kek(temp_kekek, Mode::ECB);
     es_kek.Transcode(eticket_kek.data(), eticket_kek.size(), eticket_final.data(), Op::Decrypt);
 
-    if (eticket_final == Key128{})
+    if (eticket_final == Key128{}) {
         return;
+    }
 
     SetKey(S128KeyType::ETicketRSAKek, eticket_final);
 
@@ -990,18 +1103,20 @@ void KeyManager::DeriveETicket(PartitionDataManager& data) {
 void KeyManager::PopulateTickets() {
     const auto rsa_key = GetETicketRSAKey();
 
-    if (rsa_key == RSAKeyPair<2048>{})
+    if (rsa_key == RSAKeyPair<2048>{}) {
         return;
+    }
 
-    if (!common_tickets.empty() && !personal_tickets.empty())
+    if (!common_tickets.empty() && !personal_tickets.empty()) {
         return;
+    }
 
-    const FileUtil::IOFile save1(FileUtil::GetUserPath(FileUtil::UserPath::NANDDir) +
-                                     "/system/save/80000000000000e1",
-                                 "rb+");
-    const FileUtil::IOFile save2(FileUtil::GetUserPath(FileUtil::UserPath::NANDDir) +
-                                     "/system/save/80000000000000e2",
-                                 "rb+");
+    const Common::FS::IOFile save1(Common::FS::GetUserPath(Common::FS::UserPath::NANDDir) +
+                                       "/system/save/80000000000000e1",
+                                   "rb+");
+    const Common::FS::IOFile save2(Common::FS::GetUserPath(Common::FS::UserPath::NANDDir) +
+                                       "/system/save/80000000000000e2",
+                                   "rb+");
 
     const auto blob2 = GetTicketblob(save2);
     auto res = GetTicketblob(save1);
@@ -1011,8 +1126,10 @@ void KeyManager::PopulateTickets() {
     for (std::size_t i = 0; i < res.size(); ++i) {
         const auto common = i < idx;
         const auto pair = ParseTicket(res[i], rsa_key);
-        if (!pair)
+        if (!pair) {
             continue;
+        }
+
         const auto& [rid, key] = *pair;
         u128 rights_id;
         std::memcpy(rights_id.data(), rid.data(), rid.size());
@@ -1041,27 +1158,33 @@ void KeyManager::SynthesizeTickets() {
 }
 
 void KeyManager::SetKeyWrapped(S128KeyType id, Key128 key, u64 field1, u64 field2) {
-    if (key == Key128{})
+    if (key == Key128{}) {
         return;
+    }
     SetKey(id, key, field1, field2);
 }
 
 void KeyManager::SetKeyWrapped(S256KeyType id, Key256 key, u64 field1, u64 field2) {
-    if (key == Key256{})
+    if (key == Key256{}) {
         return;
+    }
+
     SetKey(id, key, field1, field2);
 }
 
 void KeyManager::PopulateFromPartitionData(PartitionDataManager& data) {
-    if (!BaseDeriveNecessary())
+    if (!BaseDeriveNecessary()) {
         return;
+    }
 
-    if (!data.HasBoot0())
+    if (!data.HasBoot0()) {
         return;
+    }
 
     for (size_t i = 0; i < encrypted_keyblobs.size(); ++i) {
-        if (encrypted_keyblobs[i] != std::array<u8, 0xB0>{})
+        if (encrypted_keyblobs[i] != std::array<u8, 0xB0>{}) {
             continue;
+        }
         encrypted_keyblobs[i] = data.GetEncryptedKeyblob(i);
         WriteKeyToFile<0xB0>(KeyCategory::Console, fmt::format("encrypted_keyblob_{:02X}", i),
                              encrypted_keyblobs[i]);
@@ -1083,8 +1206,9 @@ void KeyManager::PopulateFromPartitionData(PartitionDataManager& data) {
                       static_cast<u64>(SourceKeyType::Keyblob), i);
     }
 
-    if (data.HasFuses())
+    if (data.HasFuses()) {
         SetKeyWrapped(S128KeyType::SecureBoot, data.GetSecureBootKey());
+    }
 
     DeriveBase();
 
@@ -1098,8 +1222,9 @@ void KeyManager::PopulateFromPartitionData(PartitionDataManager& data) {
 
     const auto masters = data.GetTZMasterKeys(latest_master);
     for (size_t i = 0; i < masters.size(); ++i) {
-        if (masters[i] != Key128{} && !HasKey(S128KeyType::Master, i))
+        if (masters[i] != Key128{} && !HasKey(S128KeyType::Master, i)) {
             SetKey(S128KeyType::Master, masters[i], i);
+        }
     }
 
     DeriveBase();
@@ -1109,8 +1234,9 @@ void KeyManager::PopulateFromPartitionData(PartitionDataManager& data) {
 
     std::array<Key128, 0x20> package2_keys{};
     for (size_t i = 0; i < package2_keys.size(); ++i) {
-        if (HasKey(S128KeyType::Package2, i))
+        if (HasKey(S128KeyType::Package2, i)) {
             package2_keys[i] = GetKey(S128KeyType::Package2, i);
+        }
     }
     data.DecryptPackage2(package2_keys, Package2Type::NormalMain);
 
@@ -1148,12 +1274,15 @@ const std::map<u128, Ticket>& KeyManager::GetPersonalizedTickets() const {
 
 bool KeyManager::AddTicketCommon(Ticket raw) {
     const auto rsa_key = GetETicketRSAKey();
-    if (rsa_key == RSAKeyPair<2048>{})
+    if (rsa_key == RSAKeyPair<2048>{}) {
         return false;
+    }
 
     const auto pair = ParseTicket(raw, rsa_key);
-    if (!pair)
+    if (!pair) {
         return false;
+    }
+
     const auto& [rid, key] = *pair;
     u128 rights_id;
     std::memcpy(rights_id.data(), rid.data(), rid.size());
@@ -1164,12 +1293,15 @@ bool KeyManager::AddTicketCommon(Ticket raw) {
 
 bool KeyManager::AddTicketPersonalized(Ticket raw) {
     const auto rsa_key = GetETicketRSAKey();
-    if (rsa_key == RSAKeyPair<2048>{})
+    if (rsa_key == RSAKeyPair<2048>{}) {
         return false;
+    }
 
     const auto pair = ParseTicket(raw, rsa_key);
-    if (!pair)
+    if (!pair) {
         return false;
+    }
+
     const auto& [rid, key] = *pair;
     u128 rights_id;
     std::memcpy(rights_id.data(), rid.data(), rid.size());
@@ -1177,58 +1309,4 @@ bool KeyManager::AddTicketPersonalized(Ticket raw) {
     SetKey(S128KeyType::Titlekey, key, rights_id[1], rights_id[0]);
     return true;
 }
-
-const boost::container::flat_map<std::string, KeyIndex<S128KeyType>> KeyManager::s128_file_id = {
-    {"eticket_rsa_kek", {S128KeyType::ETicketRSAKek, 0, 0}},
-    {"eticket_rsa_kek_source",
-     {S128KeyType::Source, static_cast<u64>(SourceKeyType::ETicketKek), 0}},
-    {"eticket_rsa_kekek_source",
-     {S128KeyType::Source, static_cast<u64>(SourceKeyType::ETicketKekek), 0}},
-    {"rsa_kek_mask_0", {S128KeyType::RSAKek, static_cast<u64>(RSAKekType::Mask0), 0}},
-    {"rsa_kek_seed_3", {S128KeyType::RSAKek, static_cast<u64>(RSAKekType::Seed3), 0}},
-    {"rsa_oaep_kek_generation_source",
-     {S128KeyType::Source, static_cast<u64>(SourceKeyType::RSAOaepKekGeneration), 0}},
-    {"sd_card_kek_source", {S128KeyType::Source, static_cast<u64>(SourceKeyType::SDKek), 0}},
-    {"aes_kek_generation_source",
-     {S128KeyType::Source, static_cast<u64>(SourceKeyType::AESKekGeneration), 0}},
-    {"aes_key_generation_source",
-     {S128KeyType::Source, static_cast<u64>(SourceKeyType::AESKeyGeneration), 0}},
-    {"package2_key_source", {S128KeyType::Source, static_cast<u64>(SourceKeyType::Package2), 0}},
-    {"master_key_source", {S128KeyType::Source, static_cast<u64>(SourceKeyType::Master), 0}},
-    {"header_kek_source", {S128KeyType::Source, static_cast<u64>(SourceKeyType::HeaderKek), 0}},
-    {"key_area_key_application_source",
-     {S128KeyType::Source, static_cast<u64>(SourceKeyType::KeyAreaKey),
-      static_cast<u64>(KeyAreaKeyType::Application)}},
-    {"key_area_key_ocean_source",
-     {S128KeyType::Source, static_cast<u64>(SourceKeyType::KeyAreaKey),
-      static_cast<u64>(KeyAreaKeyType::Ocean)}},
-    {"key_area_key_system_source",
-     {S128KeyType::Source, static_cast<u64>(SourceKeyType::KeyAreaKey),
-      static_cast<u64>(KeyAreaKeyType::System)}},
-    {"titlekek_source", {S128KeyType::Source, static_cast<u64>(SourceKeyType::Titlekek), 0}},
-    {"keyblob_mac_key_source",
-     {S128KeyType::Source, static_cast<u64>(SourceKeyType::KeyblobMAC), 0}},
-    {"tsec_key", {S128KeyType::TSEC, 0, 0}},
-    {"secure_boot_key", {S128KeyType::SecureBoot, 0, 0}},
-    {"sd_seed", {S128KeyType::SDSeed, 0, 0}},
-    {"bis_key_0_crypt", {S128KeyType::BIS, 0, static_cast<u64>(BISKeyType::Crypto)}},
-    {"bis_key_0_tweak", {S128KeyType::BIS, 0, static_cast<u64>(BISKeyType::Tweak)}},
-    {"bis_key_1_crypt", {S128KeyType::BIS, 1, static_cast<u64>(BISKeyType::Crypto)}},
-    {"bis_key_1_tweak", {S128KeyType::BIS, 1, static_cast<u64>(BISKeyType::Tweak)}},
-    {"bis_key_2_crypt", {S128KeyType::BIS, 2, static_cast<u64>(BISKeyType::Crypto)}},
-    {"bis_key_2_tweak", {S128KeyType::BIS, 2, static_cast<u64>(BISKeyType::Tweak)}},
-    {"bis_key_3_crypt", {S128KeyType::BIS, 3, static_cast<u64>(BISKeyType::Crypto)}},
-    {"bis_key_3_tweak", {S128KeyType::BIS, 3, static_cast<u64>(BISKeyType::Tweak)}},
-    {"header_kek", {S128KeyType::HeaderKek, 0, 0}},
-    {"sd_card_kek", {S128KeyType::SDKek, 0, 0}},
-};
-
-const boost::container::flat_map<std::string, KeyIndex<S256KeyType>> KeyManager::s256_file_id = {
-    {"header_key", {S256KeyType::Header, 0, 0}},
-    {"sd_card_save_key_source", {S256KeyType::SDKeySource, static_cast<u64>(SDKeyType::Save), 0}},
-    {"sd_card_nca_key_source", {S256KeyType::SDKeySource, static_cast<u64>(SDKeyType::NCA), 0}},
-    {"header_key_source", {S256KeyType::HeaderSource, 0, 0}},
-    {"sd_card_save_key", {S256KeyType::SDKey, static_cast<u64>(SDKeyType::Save), 0}},
-    {"sd_card_nca_key", {S256KeyType::SDKey, static_cast<u64>(SDKeyType::NCA), 0}},
-};
 } // namespace Core::Crypto
diff --git a/src/core/crypto/key_manager.h b/src/core/crypto/key_manager.h
index 9269a73f2..0a7220286 100644
--- a/src/core/crypto/key_manager.h
+++ b/src/core/crypto/key_manager.h
@@ -10,17 +10,20 @@
 #include <string>
 
 #include <variant>
-#include <boost/container/flat_map.hpp>
 #include <fmt/format.h>
 #include "common/common_funcs.h"
 #include "common/common_types.h"
 #include "core/crypto/partition_data_manager.h"
 #include "core/file_sys/vfs_types.h"
 
-namespace FileUtil {
+namespace Common::FS {
 class IOFile;
 }
 
+namespace FileSys {
+class ContentProvider;
+}
+
 namespace Loader {
 enum class ResultStatus : u16;
 }
@@ -253,7 +256,7 @@ public:
 
     bool BaseDeriveNecessary() const;
     void DeriveBase();
-    void DeriveETicket(PartitionDataManager& data);
+    void DeriveETicket(PartitionDataManager& data, const FileSys::ContentProvider& provider);
     void PopulateTickets();
     void SynthesizeTickets();
 
@@ -293,9 +296,6 @@ private:
 
     void SetKeyWrapped(S128KeyType id, Key128 key, u64 field1 = 0, u64 field2 = 0);
     void SetKeyWrapped(S256KeyType id, Key256 key, u64 field1 = 0, u64 field2 = 0);
-
-    static const boost::container::flat_map<std::string, KeyIndex<S128KeyType>> s128_file_id;
-    static const boost::container::flat_map<std::string, KeyIndex<S256KeyType>> s256_file_id;
 };
 
 Key128 GenerateKeyEncryptionKey(Key128 source, Key128 master, Key128 kek_seed, Key128 key_seed);
@@ -308,7 +308,7 @@ std::array<u8, 0x90> DecryptKeyblob(const std::array<u8, 0xB0>& encrypted_keyblo
 std::optional<Key128> DeriveSDSeed();
 Loader::ResultStatus DeriveSDKeys(std::array<Key256, 2>& sd_keys, KeyManager& keys);
 
-std::vector<Ticket> GetTicketblob(const FileUtil::IOFile& ticket_save);
+std::vector<Ticket> GetTicketblob(const Common::FS::IOFile& ticket_save);
 
 // Returns a pair of {rights_id, titlekey}. Fails if the ticket has no certificate authority
 // (offset 0x140-0x144 is zero)
diff --git a/src/core/crypto/partition_data_manager.cpp b/src/core/crypto/partition_data_manager.cpp
index 7ed71ac3a..5f1c86a09 100644
--- a/src/core/crypto/partition_data_manager.cpp
+++ b/src/core/crypto/partition_data_manager.cpp
@@ -26,8 +26,9 @@
 #include "core/file_sys/vfs.h"
 #include "core/file_sys/vfs_offset.h"
 #include "core/file_sys/vfs_vector.h"
+#include "core/loader/loader.h"
 
-using namespace Common;
+using Common::AsArray;
 
 namespace Core::Crypto {
 
@@ -47,105 +48,123 @@ struct Package2Header {
 };
 static_assert(sizeof(Package2Header) == 0x200, "Package2Header has incorrect size.");
 
-const std::array<SHA256Hash, 0x10> source_hashes{
-    "B24BD293259DBC7AC5D63F88E60C59792498E6FC5443402C7FFE87EE8B61A3F0"_array32, // keyblob_mac_key_source
-    "7944862A3A5C31C6720595EFD302245ABD1B54CCDCF33000557681E65C5664A4"_array32, // master_key_source
-    "21E2DF100FC9E094DB51B47B9B1D6E94ED379DB8B547955BEF8FE08D8DD35603"_array32, // package2_key_source
-    "FC02B9D37B42D7A1452E71444F1F700311D1132E301A83B16062E72A78175085"_array32, // aes_kek_generation_source
-    "FBD10056999EDC7ACDB96098E47E2C3606230270D23281E671F0F389FC5BC585"_array32, // aes_key_generation_source
-    "C48B619827986C7F4E3081D59DB2B460C84312650E9A8E6B458E53E8CBCA4E87"_array32, // titlekek_source
-    "04AD66143C726B2A139FB6B21128B46F56C553B2B3887110304298D8D0092D9E"_array32, // key_area_key_application_source
-    "FD434000C8FF2B26F8E9A9D2D2C12F6BE5773CBB9DC86300E1BD99F8EA33A417"_array32, // key_area_key_ocean_source
-    "1F17B1FD51AD1C2379B58F152CA4912EC2106441E51722F38700D5937A1162F7"_array32, // key_area_key_system_source
-    "6B2ED877C2C52334AC51E59ABFA7EC457F4A7D01E46291E9F2EAA45F011D24B7"_array32, // sd_card_kek_source
-    "D482743563D3EA5DCDC3B74E97C9AC8A342164FA041A1DC80F17F6D31E4BC01C"_array32, // sd_card_save_key_source
-    "2E751CECF7D93A2B957BD5FFCB082FD038CC2853219DD3092C6DAB9838F5A7CC"_array32, // sd_card_nca_key_source
-    "1888CAED5551B3EDE01499E87CE0D86827F80820EFB275921055AA4E2ABDFFC2"_array32, // header_kek_source
-    "8F783E46852DF6BE0BA4E19273C4ADBAEE16380043E1B8C418C4089A8BD64AA6"_array32, // header_key_source
-    "D1757E52F1AE55FA882EC690BC6F954AC46A83DC22F277F8806BD55577C6EED7"_array32, // rsa_kek_seed3
-    "FC02B9D37B42D7A1452E71444F1F700311D1132E301A83B16062E72A78175085"_array32, // rsa_kek_mask0
+// clang-format off
+constexpr std::array source_hashes{
+    AsArray("B24BD293259DBC7AC5D63F88E60C59792498E6FC5443402C7FFE87EE8B61A3F0"), // keyblob_mac_key_source
+    AsArray("7944862A3A5C31C6720595EFD302245ABD1B54CCDCF33000557681E65C5664A4"), // master_key_source
+    AsArray("21E2DF100FC9E094DB51B47B9B1D6E94ED379DB8B547955BEF8FE08D8DD35603"), // package2_key_source
+    AsArray("FC02B9D37B42D7A1452E71444F1F700311D1132E301A83B16062E72A78175085"), // aes_kek_generation_source
+    AsArray("FBD10056999EDC7ACDB96098E47E2C3606230270D23281E671F0F389FC5BC585"), // aes_key_generation_source
+    AsArray("C48B619827986C7F4E3081D59DB2B460C84312650E9A8E6B458E53E8CBCA4E87"), // titlekek_source
+    AsArray("04AD66143C726B2A139FB6B21128B46F56C553B2B3887110304298D8D0092D9E"), // key_area_key_application_source
+    AsArray("FD434000C8FF2B26F8E9A9D2D2C12F6BE5773CBB9DC86300E1BD99F8EA33A417"), // key_area_key_ocean_source
+    AsArray("1F17B1FD51AD1C2379B58F152CA4912EC2106441E51722F38700D5937A1162F7"), // key_area_key_system_source
+    AsArray("6B2ED877C2C52334AC51E59ABFA7EC457F4A7D01E46291E9F2EAA45F011D24B7"), // sd_card_kek_source
+    AsArray("D482743563D3EA5DCDC3B74E97C9AC8A342164FA041A1DC80F17F6D31E4BC01C"), // sd_card_save_key_source
+    AsArray("2E751CECF7D93A2B957BD5FFCB082FD038CC2853219DD3092C6DAB9838F5A7CC"), // sd_card_nca_key_source
+    AsArray("1888CAED5551B3EDE01499E87CE0D86827F80820EFB275921055AA4E2ABDFFC2"), // header_kek_source
+    AsArray("8F783E46852DF6BE0BA4E19273C4ADBAEE16380043E1B8C418C4089A8BD64AA6"), // header_key_source
+    AsArray("D1757E52F1AE55FA882EC690BC6F954AC46A83DC22F277F8806BD55577C6EED7"), // rsa_kek_seed3
+    AsArray("FC02B9D37B42D7A1452E71444F1F700311D1132E301A83B16062E72A78175085"), // rsa_kek_mask0
 };
-
-const std::array<SHA256Hash, 0x20> keyblob_source_hashes{
-    "8A06FE274AC491436791FDB388BCDD3AB9943BD4DEF8094418CDAC150FD73786"_array32, // keyblob_key_source_00
-    "2D5CAEB2521FEF70B47E17D6D0F11F8CE2C1E442A979AD8035832C4E9FBCCC4B"_array32, // keyblob_key_source_01
-    "61C5005E713BAE780641683AF43E5F5C0E03671117F702F401282847D2FC6064"_array32, // keyblob_key_source_02
-    "8E9795928E1C4428E1B78F0BE724D7294D6934689C11B190943923B9D5B85903"_array32, // keyblob_key_source_03
-    "95FA33AF95AFF9D9B61D164655B32710ED8D615D46C7D6CC3CC70481B686B402"_array32, // keyblob_key_source_04
-    "3F5BE7B3C8B1ABD8C10B4B703D44766BA08730562C172A4FE0D6B866B3E2DB3E"_array32, // keyblob_key_source_05
-    "0000000000000000000000000000000000000000000000000000000000000000"_array32, // keyblob_key_source_06
-    "0000000000000000000000000000000000000000000000000000000000000000"_array32, // keyblob_key_source_07
-
-    "0000000000000000000000000000000000000000000000000000000000000000"_array32, // keyblob_key_source_08
-    "0000000000000000000000000000000000000000000000000000000000000000"_array32, // keyblob_key_source_09
-    "0000000000000000000000000000000000000000000000000000000000000000"_array32, // keyblob_key_source_0A
-    "0000000000000000000000000000000000000000000000000000000000000000"_array32, // keyblob_key_source_0B
-    "0000000000000000000000000000000000000000000000000000000000000000"_array32, // keyblob_key_source_0C
-    "0000000000000000000000000000000000000000000000000000000000000000"_array32, // keyblob_key_source_0D
-    "0000000000000000000000000000000000000000000000000000000000000000"_array32, // keyblob_key_source_0E
-    "0000000000000000000000000000000000000000000000000000000000000000"_array32, // keyblob_key_source_0F
-
-    "0000000000000000000000000000000000000000000000000000000000000000"_array32, // keyblob_key_source_10
-    "0000000000000000000000000000000000000000000000000000000000000000"_array32, // keyblob_key_source_11
-    "0000000000000000000000000000000000000000000000000000000000000000"_array32, // keyblob_key_source_12
-    "0000000000000000000000000000000000000000000000000000000000000000"_array32, // keyblob_key_source_13
-    "0000000000000000000000000000000000000000000000000000000000000000"_array32, // keyblob_key_source_14
-    "0000000000000000000000000000000000000000000000000000000000000000"_array32, // keyblob_key_source_15
-    "0000000000000000000000000000000000000000000000000000000000000000"_array32, // keyblob_key_source_16
-    "0000000000000000000000000000000000000000000000000000000000000000"_array32, // keyblob_key_source_17
-
-    "0000000000000000000000000000000000000000000000000000000000000000"_array32, // keyblob_key_source_18
-    "0000000000000000000000000000000000000000000000000000000000000000"_array32, // keyblob_key_source_19
-    "0000000000000000000000000000000000000000000000000000000000000000"_array32, // keyblob_key_source_1A
-    "0000000000000000000000000000000000000000000000000000000000000000"_array32, // keyblob_key_source_1B
-    "0000000000000000000000000000000000000000000000000000000000000000"_array32, // keyblob_key_source_1C
-    "0000000000000000000000000000000000000000000000000000000000000000"_array32, // keyblob_key_source_1D
-    "0000000000000000000000000000000000000000000000000000000000000000"_array32, // keyblob_key_source_1E
-    "0000000000000000000000000000000000000000000000000000000000000000"_array32, // keyblob_key_source_1F
+// clang-format on
+
+// clang-format off
+constexpr std::array keyblob_source_hashes{
+    AsArray("8A06FE274AC491436791FDB388BCDD3AB9943BD4DEF8094418CDAC150FD73786"), // keyblob_key_source_00
+    AsArray("2D5CAEB2521FEF70B47E17D6D0F11F8CE2C1E442A979AD8035832C4E9FBCCC4B"), // keyblob_key_source_01
+    AsArray("61C5005E713BAE780641683AF43E5F5C0E03671117F702F401282847D2FC6064"), // keyblob_key_source_02
+    AsArray("8E9795928E1C4428E1B78F0BE724D7294D6934689C11B190943923B9D5B85903"), // keyblob_key_source_03
+    AsArray("95FA33AF95AFF9D9B61D164655B32710ED8D615D46C7D6CC3CC70481B686B402"), // keyblob_key_source_04
+    AsArray("3F5BE7B3C8B1ABD8C10B4B703D44766BA08730562C172A4FE0D6B866B3E2DB3E"), // keyblob_key_source_05
+    AsArray("0000000000000000000000000000000000000000000000000000000000000000"), // keyblob_key_source_06
+    AsArray("0000000000000000000000000000000000000000000000000000000000000000"), // keyblob_key_source_07
+
+    AsArray("0000000000000000000000000000000000000000000000000000000000000000"), // keyblob_key_source_08
+    AsArray("0000000000000000000000000000000000000000000000000000000000000000"), // keyblob_key_source_09
+    AsArray("0000000000000000000000000000000000000000000000000000000000000000"), // keyblob_key_source_0A
+    AsArray("0000000000000000000000000000000000000000000000000000000000000000"), // keyblob_key_source_0B
+    AsArray("0000000000000000000000000000000000000000000000000000000000000000"), // keyblob_key_source_0C
+    AsArray("0000000000000000000000000000000000000000000000000000000000000000"), // keyblob_key_source_0D
+    AsArray("0000000000000000000000000000000000000000000000000000000000000000"), // keyblob_key_source_0E
+    AsArray("0000000000000000000000000000000000000000000000000000000000000000"), // keyblob_key_source_0F
+
+    AsArray("0000000000000000000000000000000000000000000000000000000000000000"), // keyblob_key_source_10
+    AsArray("0000000000000000000000000000000000000000000000000000000000000000"), // keyblob_key_source_11
+    AsArray("0000000000000000000000000000000000000000000000000000000000000000"), // keyblob_key_source_12
+    AsArray("0000000000000000000000000000000000000000000000000000000000000000"), // keyblob_key_source_13
+    AsArray("0000000000000000000000000000000000000000000000000000000000000000"), // keyblob_key_source_14
+    AsArray("0000000000000000000000000000000000000000000000000000000000000000"), // keyblob_key_source_15
+    AsArray("0000000000000000000000000000000000000000000000000000000000000000"), // keyblob_key_source_16
+    AsArray("0000000000000000000000000000000000000000000000000000000000000000"), // keyblob_key_source_17
+
+    AsArray("0000000000000000000000000000000000000000000000000000000000000000"), // keyblob_key_source_18
+    AsArray("0000000000000000000000000000000000000000000000000000000000000000"), // keyblob_key_source_19
+    AsArray("0000000000000000000000000000000000000000000000000000000000000000"), // keyblob_key_source_1A
+    AsArray("0000000000000000000000000000000000000000000000000000000000000000"), // keyblob_key_source_1B
+    AsArray("0000000000000000000000000000000000000000000000000000000000000000"), // keyblob_key_source_1C
+    AsArray("0000000000000000000000000000000000000000000000000000000000000000"), // keyblob_key_source_1D
+    AsArray("0000000000000000000000000000000000000000000000000000000000000000"), // keyblob_key_source_1E
+    AsArray("0000000000000000000000000000000000000000000000000000000000000000"), // keyblob_key_source_1F
 };
-
-const std::array<SHA256Hash, 0x20> master_key_hashes{
-    "0EE359BE3C864BB0782E1D70A718A0342C551EED28C369754F9C4F691BECF7CA"_array32, // master_key_00
-    "4FE707B7E4ABDAF727C894AAF13B1351BFE2AC90D875F73B2E20FA94B9CC661E"_array32, // master_key_01
-    "79277C0237A2252EC3DFAC1F7C359C2B3D121E9DB15BB9AB4C2B4408D2F3AE09"_array32, // master_key_02
-    "4F36C565D13325F65EE134073C6A578FFCB0008E02D69400836844EAB7432754"_array32, // master_key_03
-    "75FF1D95D26113550EE6FCC20ACB58E97EDEB3A2FF52543ED5AEC63BDCC3DA50"_array32, // master_key_04
-    "EBE2BCD6704673EC0F88A187BB2AD9F1CC82B718C389425941BDC194DC46B0DD"_array32, // master_key_05
-    "0000000000000000000000000000000000000000000000000000000000000000"_array32, // master_key_06
-    "0000000000000000000000000000000000000000000000000000000000000000"_array32, // master_key_07
-
-    "0000000000000000000000000000000000000000000000000000000000000000"_array32, // master_key_08
-    "0000000000000000000000000000000000000000000000000000000000000000"_array32, // master_key_09
-    "0000000000000000000000000000000000000000000000000000000000000000"_array32, // master_key_0A
-    "0000000000000000000000000000000000000000000000000000000000000000"_array32, // master_key_0B
-    "0000000000000000000000000000000000000000000000000000000000000000"_array32, // master_key_0C
-    "0000000000000000000000000000000000000000000000000000000000000000"_array32, // master_key_0D
-    "0000000000000000000000000000000000000000000000000000000000000000"_array32, // master_key_0E
-    "0000000000000000000000000000000000000000000000000000000000000000"_array32, // master_key_0F
-
-    "0000000000000000000000000000000000000000000000000000000000000000"_array32, // master_key_10
-    "0000000000000000000000000000000000000000000000000000000000000000"_array32, // master_key_11
-    "0000000000000000000000000000000000000000000000000000000000000000"_array32, // master_key_12
-    "0000000000000000000000000000000000000000000000000000000000000000"_array32, // master_key_13
-    "0000000000000000000000000000000000000000000000000000000000000000"_array32, // master_key_14
-    "0000000000000000000000000000000000000000000000000000000000000000"_array32, // master_key_15
-    "0000000000000000000000000000000000000000000000000000000000000000"_array32, // master_key_16
-    "0000000000000000000000000000000000000000000000000000000000000000"_array32, // master_key_17
-
-    "0000000000000000000000000000000000000000000000000000000000000000"_array32, // master_key_18
-    "0000000000000000000000000000000000000000000000000000000000000000"_array32, // master_key_19
-    "0000000000000000000000000000000000000000000000000000000000000000"_array32, // master_key_1A
-    "0000000000000000000000000000000000000000000000000000000000000000"_array32, // master_key_1B
-    "0000000000000000000000000000000000000000000000000000000000000000"_array32, // master_key_1C
-    "0000000000000000000000000000000000000000000000000000000000000000"_array32, // master_key_1D
-    "0000000000000000000000000000000000000000000000000000000000000000"_array32, // master_key_1E
-    "0000000000000000000000000000000000000000000000000000000000000000"_array32, // master_key_1F
+// clang-format on
+
+// clang-format off
+constexpr std::array master_key_hashes{
+    AsArray("0EE359BE3C864BB0782E1D70A718A0342C551EED28C369754F9C4F691BECF7CA"), // master_key_00
+    AsArray("4FE707B7E4ABDAF727C894AAF13B1351BFE2AC90D875F73B2E20FA94B9CC661E"), // master_key_01
+    AsArray("79277C0237A2252EC3DFAC1F7C359C2B3D121E9DB15BB9AB4C2B4408D2F3AE09"), // master_key_02
+    AsArray("4F36C565D13325F65EE134073C6A578FFCB0008E02D69400836844EAB7432754"), // master_key_03
+    AsArray("75FF1D95D26113550EE6FCC20ACB58E97EDEB3A2FF52543ED5AEC63BDCC3DA50"), // master_key_04
+    AsArray("EBE2BCD6704673EC0F88A187BB2AD9F1CC82B718C389425941BDC194DC46B0DD"), // master_key_05
+    AsArray("9497E6779F5D840F2BBA1DE4E95BA1D6F21EFC94717D5AE5CA37D7EC5BD37A19"), // master_key_06
+    AsArray("4EC96B8CB01B8DCE382149443430B2B6EBCB2983348AFA04A25E53609DABEDF6"), // master_key_07
+
+    AsArray("2998E2E23609BC2675FF062A2D64AF5B1B78DFF463B24119D64A1B64F01B2D51"), // master_key_08
+    AsArray("9D486A98067C44B37CF173D3BF577891EB6081FF6B4A166347D9DBBF7025076B"), // master_key_09
+    AsArray("4EC5A237A75A083A9C5F6CF615601522A7F822D06BD4BA32612C9CEBBB29BD45"), // master_key_0A
+    AsArray("0000000000000000000000000000000000000000000000000000000000000000"), // master_key_0B
+    AsArray("0000000000000000000000000000000000000000000000000000000000000000"), // master_key_0C
+    AsArray("0000000000000000000000000000000000000000000000000000000000000000"), // master_key_0D
+    AsArray("0000000000000000000000000000000000000000000000000000000000000000"), // master_key_0E
+    AsArray("0000000000000000000000000000000000000000000000000000000000000000"), // master_key_0F
+
+    AsArray("0000000000000000000000000000000000000000000000000000000000000000"), // master_key_10
+    AsArray("0000000000000000000000000000000000000000000000000000000000000000"), // master_key_11
+    AsArray("0000000000000000000000000000000000000000000000000000000000000000"), // master_key_12
+    AsArray("0000000000000000000000000000000000000000000000000000000000000000"), // master_key_13
+    AsArray("0000000000000000000000000000000000000000000000000000000000000000"), // master_key_14
+    AsArray("0000000000000000000000000000000000000000000000000000000000000000"), // master_key_15
+    AsArray("0000000000000000000000000000000000000000000000000000000000000000"), // master_key_16
+    AsArray("0000000000000000000000000000000000000000000000000000000000000000"), // master_key_17
+
+    AsArray("0000000000000000000000000000000000000000000000000000000000000000"), // master_key_18
+    AsArray("0000000000000000000000000000000000000000000000000000000000000000"), // master_key_19
+    AsArray("0000000000000000000000000000000000000000000000000000000000000000"), // master_key_1A
+    AsArray("0000000000000000000000000000000000000000000000000000000000000000"), // master_key_1B
+    AsArray("0000000000000000000000000000000000000000000000000000000000000000"), // master_key_1C
+    AsArray("0000000000000000000000000000000000000000000000000000000000000000"), // master_key_1D
+    AsArray("0000000000000000000000000000000000000000000000000000000000000000"), // master_key_1E
+    AsArray("0000000000000000000000000000000000000000000000000000000000000000"), // master_key_1F
 };
+// clang-format on
+
+static constexpr u8 CalculateMaxKeyblobSourceHash() {
+    const auto is_zero = [](const auto& data) {
+        // TODO: Replace with std::all_of whenever mingw decides to update their
+        //       libraries to include the constexpr variant of it.
+        for (const auto element : data) {
+            if (element != 0) {
+                return false;
+            }
+        }
+        return true;
+    };
 
-static u8 CalculateMaxKeyblobSourceHash() {
     for (s8 i = 0x1F; i >= 0; --i) {
-        if (keyblob_source_hashes[i] != SHA256Hash{})
+        if (!is_zero(keyblob_source_hashes[i])) {
             return static_cast<u8>(i + 1);
+        }
     }
 
     return 0;
@@ -346,12 +365,11 @@ FileSys::VirtualFile PartitionDataManager::GetPackage2Raw(Package2Type type) con
 }
 
 static bool AttemptDecrypt(const std::array<u8, 16>& key, Package2Header& header) {
-    const std::vector<u8> iv(header.header_ctr.begin(), header.header_ctr.end());
     Package2Header temp = header;
     AESCipher<Key128> cipher(key, Mode::CTR);
-    cipher.SetIV(iv);
-    cipher.Transcode(&temp.header_ctr, sizeof(Package2Header) - 0x100, &temp.header_ctr,
-                     Op::Decrypt);
+    cipher.SetIV(header.header_ctr);
+    cipher.Transcode(&temp.header_ctr, sizeof(Package2Header) - sizeof(Package2Header::signature),
+                     &temp.header_ctr, Op::Decrypt);
     if (temp.magic == Common::MakeMagic('P', 'K', '2', '1')) {
         header = temp;
         return true;
@@ -388,7 +406,7 @@ void PartitionDataManager::DecryptPackage2(const std::array<Key128, 0x20>& packa
     auto c = a->ReadAllBytes();
 
     AESCipher<Key128> cipher(package2_keys[revision], Mode::CTR);
-    cipher.SetIV({header.section_ctr[1].begin(), header.section_ctr[1].end()});
+    cipher.SetIV(header.section_ctr[1]);
     cipher.Transcode(c.data(), c.size(), c.data(), Op::Decrypt);
 
     const auto ini_file = std::make_shared<FileSys::VectorVfsFile>(c);
diff --git a/src/core/device_memory.cpp b/src/core/device_memory.cpp
index 51097ced3..0c4b440ed 100644
--- a/src/core/device_memory.cpp
+++ b/src/core/device_memory.cpp
@@ -2,14 +2,11 @@
 // Licensed under GPLv2 or any later version
 // Refer to the license.txt file included.
 
-#include "core/core.h"
 #include "core/device_memory.h"
-#include "core/memory.h"
 
 namespace Core {
 
-DeviceMemory::DeviceMemory(System& system) : buffer{DramMemoryMap::Size}, system{system} {}
-
+DeviceMemory::DeviceMemory() : buffer{DramMemoryMap::Size} {}
 DeviceMemory::~DeviceMemory() = default;
 
 } // namespace Core
diff --git a/src/core/device_memory.h b/src/core/device_memory.h
index 9efa088d0..5b1ae28f3 100644
--- a/src/core/device_memory.h
+++ b/src/core/device_memory.h
@@ -4,14 +4,11 @@
 
 #pragma once
 
-#include "common/assert.h"
-#include "common/common_funcs.h"
+#include "common/common_types.h"
 #include "common/virtual_buffer.h"
 
 namespace Core {
 
-class System;
-
 namespace DramMemoryMap {
 enum : u64 {
     Base = 0x80000000ULL,
@@ -26,7 +23,7 @@ enum : u64 {
 
 class DeviceMemory : NonCopyable {
 public:
-    explicit DeviceMemory(Core::System& system);
+    explicit DeviceMemory();
     ~DeviceMemory();
 
     template <typename T>
@@ -45,7 +42,6 @@ public:
 
 private:
     Common::VirtualBuffer<u8> buffer;
-    Core::System& system;
 };
 
 } // namespace Core
diff --git a/src/core/file_sys/bis_factory.cpp b/src/core/file_sys/bis_factory.cpp
index 285277ef8..7c6304ff0 100644
--- a/src/core/file_sys/bis_factory.cpp
+++ b/src/core/file_sys/bis_factory.cpp
@@ -4,11 +4,10 @@
 
 #include <fmt/format.h>
 #include "common/file_util.h"
-#include "core/core.h"
 #include "core/file_sys/bis_factory.h"
 #include "core/file_sys/mode.h"
 #include "core/file_sys/registered_cache.h"
-#include "core/settings.h"
+#include "core/file_sys/vfs.h"
 
 namespace FileSys {
 
@@ -82,11 +81,11 @@ VirtualDir BISFactory::OpenPartition(BisPartitionId id) const {
     }
 }
 
-VirtualFile BISFactory::OpenPartitionStorage(BisPartitionId id) const {
+VirtualFile BISFactory::OpenPartitionStorage(BisPartitionId id,
+                                             VirtualFilesystem file_system) const {
     auto& keys = Core::Crypto::KeyManager::Instance();
-    Core::Crypto::PartitionDataManager pdm{
-        Core::System::GetInstance().GetFilesystem()->OpenDirectory(
-            FileUtil::GetUserPath(FileUtil::UserPath::SysDataDir), Mode::Read)};
+    Core::Crypto::PartitionDataManager pdm{file_system->OpenDirectory(
+        Common::FS::GetUserPath(Common::FS::UserPath::SysDataDir), Mode::Read)};
     keys.PopulateFromPartitionData(pdm);
 
     switch (id) {
diff --git a/src/core/file_sys/bis_factory.h b/src/core/file_sys/bis_factory.h
index 8f0451c98..136485881 100644
--- a/src/core/file_sys/bis_factory.h
+++ b/src/core/file_sys/bis_factory.h
@@ -6,7 +6,8 @@
 
 #include <memory>
 
-#include "core/file_sys/vfs.h"
+#include "common/common_types.h"
+#include "core/file_sys/vfs_types.h"
 
 namespace FileSys {
 
@@ -51,7 +52,7 @@ public:
     VirtualDir GetModificationDumpRoot(u64 title_id) const;
 
     VirtualDir OpenPartition(BisPartitionId id) const;
-    VirtualFile OpenPartitionStorage(BisPartitionId id) const;
+    VirtualFile OpenPartitionStorage(BisPartitionId id, VirtualFilesystem file_system) const;
 
     VirtualDir GetImageDirectory() const;
 
diff --git a/src/core/file_sys/card_image.cpp b/src/core/file_sys/card_image.cpp
index 664a47e7f..956da68f7 100644
--- a/src/core/file_sys/card_image.cpp
+++ b/src/core/file_sys/card_image.cpp
@@ -8,11 +8,11 @@
 #include <fmt/ostream.h>
 
 #include "common/logging/log.h"
+#include "core/crypto/key_manager.h"
 #include "core/file_sys/card_image.h"
 #include "core/file_sys/content_archive.h"
 #include "core/file_sys/nca_metadata.h"
 #include "core/file_sys/partition_filesystem.h"
-#include "core/file_sys/romfs.h"
 #include "core/file_sys/submission_package.h"
 #include "core/file_sys/vfs_concat.h"
 #include "core/file_sys/vfs_offset.h"
@@ -31,7 +31,8 @@ constexpr std::array partition_names{
 
 XCI::XCI(VirtualFile file_)
     : file(std::move(file_)), program_nca_status{Loader::ResultStatus::ErrorXCIMissingProgramNCA},
-      partitions(partition_names.size()), partitions_raw(partition_names.size()) {
+      partitions(partition_names.size()),
+      partitions_raw(partition_names.size()), keys{Core::Crypto::KeyManager::Instance()} {
     if (file->ReadObject(&header) != sizeof(GamecardHeader)) {
         status = Loader::ResultStatus::ErrorBadXCIHeader;
         return;
diff --git a/src/core/file_sys/card_image.h b/src/core/file_sys/card_image.h
index e1b136426..2d0a0f285 100644
--- a/src/core/file_sys/card_image.h
+++ b/src/core/file_sys/card_image.h
@@ -9,9 +9,12 @@
 #include <vector>
 #include "common/common_types.h"
 #include "common/swap.h"
-#include "core/crypto/key_manager.h"
 #include "core/file_sys/vfs.h"
 
+namespace Core::Crypto {
+class KeyManager;
+}
+
 namespace Loader {
 enum class ResultStatus : u16;
 }
@@ -140,6 +143,6 @@ private:
 
     u64 update_normal_partition_end;
 
-    Core::Crypto::KeyManager& keys = Core::Crypto::KeyManager::Instance();
+    Core::Crypto::KeyManager& keys;
 };
 } // namespace FileSys
diff --git a/src/core/file_sys/content_archive.cpp b/src/core/file_sys/content_archive.cpp
index 473245d5a..76af47ff9 100644
--- a/src/core/file_sys/content_archive.cpp
+++ b/src/core/file_sys/content_archive.cpp
@@ -10,10 +10,10 @@
 #include "common/logging/log.h"
 #include "core/crypto/aes_util.h"
 #include "core/crypto/ctr_encryption_layer.h"
+#include "core/crypto/key_manager.h"
 #include "core/file_sys/content_archive.h"
 #include "core/file_sys/nca_patch.h"
 #include "core/file_sys/partition_filesystem.h"
-#include "core/file_sys/romfs.h"
 #include "core/file_sys/vfs_offset.h"
 #include "core/loader/loader.h"
 
@@ -119,7 +119,8 @@ static bool IsValidNCA(const NCAHeader& header) {
 }
 
 NCA::NCA(VirtualFile file_, VirtualFile bktr_base_romfs_, u64 bktr_base_ivfc_offset)
-    : file(std::move(file_)), bktr_base_romfs(std::move(bktr_base_romfs_)) {
+    : file(std::move(file_)),
+      bktr_base_romfs(std::move(bktr_base_romfs_)), keys{Core::Crypto::KeyManager::Instance()} {
     if (file == nullptr) {
         status = Loader::ResultStatus::ErrorNullFile;
         return;
@@ -322,7 +323,7 @@ bool NCA::ReadRomFSSection(const NCASectionHeader& section, const NCASectionTabl
         subsection_buckets.back().entries.push_back({section.bktr.relocation.offset, {0}, ctr_low});
         subsection_buckets.back().entries.push_back({size, {0}, 0});
 
-        std::optional<Core::Crypto::Key128> key = {};
+        std::optional<Core::Crypto::Key128> key;
         if (encrypted) {
             if (has_rights_id) {
                 status = Loader::ResultStatus::Success;
@@ -441,18 +442,18 @@ std::optional<Core::Crypto::Key128> NCA::GetTitlekey() {
     memcpy(rights_id.data(), header.rights_id.data(), 16);
     if (rights_id == u128{}) {
         status = Loader::ResultStatus::ErrorInvalidRightsID;
-        return {};
+        return std::nullopt;
     }
 
     auto titlekey = keys.GetKey(Core::Crypto::S128KeyType::Titlekey, rights_id[1], rights_id[0]);
     if (titlekey == Core::Crypto::Key128{}) {
         status = Loader::ResultStatus::ErrorMissingTitlekey;
-        return {};
+        return std::nullopt;
     }
 
     if (!keys.HasKey(Core::Crypto::S128KeyType::Titlekek, master_key_id)) {
         status = Loader::ResultStatus::ErrorMissingTitlekek;
-        return {};
+        return std::nullopt;
     }
 
     Core::Crypto::AESCipher<Core::Crypto::Key128> cipher(
@@ -476,7 +477,7 @@ VirtualFile NCA::Decrypt(const NCASectionHeader& s_header, VirtualFile in, u64 s
     case NCASectionCryptoType::BKTR:
         LOG_TRACE(Crypto, "called with mode=CTR, starting_offset={:016X}", starting_offset);
         {
-            std::optional<Core::Crypto::Key128> key = {};
+            std::optional<Core::Crypto::Key128> key;
             if (has_rights_id) {
                 status = Loader::ResultStatus::Success;
                 key = GetTitlekey();
@@ -495,9 +496,10 @@ VirtualFile NCA::Decrypt(const NCASectionHeader& s_header, VirtualFile in, u64 s
 
             auto out = std::make_shared<Core::Crypto::CTREncryptionLayer>(std::move(in), *key,
                                                                           starting_offset);
-            std::vector<u8> iv(16);
-            for (u8 i = 0; i < 8; ++i)
-                iv[i] = s_header.raw.section_ctr[0x8 - i - 1];
+            Core::Crypto::CTREncryptionLayer::IVData iv{};
+            for (std::size_t i = 0; i < 8; ++i) {
+                iv[i] = s_header.raw.section_ctr[8 - i - 1];
+            }
             out->SetIV(iv);
             return std::static_pointer_cast<VfsFile>(out);
         }
diff --git a/src/core/file_sys/content_archive.h b/src/core/file_sys/content_archive.h
index d25cbcf91..69292232a 100644
--- a/src/core/file_sys/content_archive.h
+++ b/src/core/file_sys/content_archive.h
@@ -158,7 +158,7 @@ private:
     bool encrypted = false;
     bool is_update = false;
 
-    Core::Crypto::KeyManager& keys = Core::Crypto::KeyManager::Instance();
+    Core::Crypto::KeyManager& keys;
 };
 
 } // namespace FileSys
diff --git a/src/core/file_sys/control_metadata.cpp b/src/core/file_sys/control_metadata.cpp
index 63cd2eead..b0a130345 100644
--- a/src/core/file_sys/control_metadata.cpp
+++ b/src/core/file_sys/control_metadata.cpp
@@ -5,6 +5,7 @@
 #include "common/string_util.h"
 #include "common/swap.h"
 #include "core/file_sys/control_metadata.h"
+#include "core/file_sys/vfs.h"
 
 namespace FileSys {
 
diff --git a/src/core/file_sys/control_metadata.h b/src/core/file_sys/control_metadata.h
index e37b2fadf..403c4219a 100644
--- a/src/core/file_sys/control_metadata.h
+++ b/src/core/file_sys/control_metadata.h
@@ -10,7 +10,7 @@
 #include "common/common_funcs.h"
 #include "common/common_types.h"
 #include "common/swap.h"
-#include "core/file_sys/vfs.h"
+#include "core/file_sys/vfs_types.h"
 
 namespace FileSys {
 
@@ -83,7 +83,7 @@ enum class Language : u8 {
     Italian = 7,
     Dutch = 8,
     CanadianFrench = 9,
-    Portugese = 10,
+    Portuguese = 10,
     Russian = 11,
     Korean = 12,
     Taiwanese = 13,
diff --git a/src/core/file_sys/ips_layer.cpp b/src/core/file_sys/ips_layer.cpp
index a08a70efd..dd779310f 100644
--- a/src/core/file_sys/ips_layer.cpp
+++ b/src/core/file_sys/ips_layer.cpp
@@ -245,9 +245,11 @@ void IPSwitchCompiler::Parse() {
 
             // Read rest of patch
             while (true) {
-                if (i + 1 >= lines.size())
+                if (i + 1 >= lines.size()) {
                     break;
-                const auto patch_line = lines[++i];
+                }
+
+                const auto& patch_line = lines[++i];
 
                 // Start of new patch
                 if (StartsWith(patch_line, "@enabled") || StartsWith(patch_line, "@disabled")) {
diff --git a/src/core/file_sys/kernel_executable.cpp b/src/core/file_sys/kernel_executable.cpp
index 76313679d..ef93ef3ed 100644
--- a/src/core/file_sys/kernel_executable.cpp
+++ b/src/core/file_sys/kernel_executable.cpp
@@ -2,9 +2,12 @@
 // Licensed under GPLv2 or any later version
 // Refer to the license.txt file included.
 
+#include <cstring>
+
 #include "common/string_util.h"
 #include "core/file_sys/kernel_executable.h"
 #include "core/file_sys/vfs_offset.h"
+#include "core/loader/loader.h"
 
 namespace FileSys {
 
diff --git a/src/core/file_sys/kernel_executable.h b/src/core/file_sys/kernel_executable.h
index 324a57384..044c554d3 100644
--- a/src/core/file_sys/kernel_executable.h
+++ b/src/core/file_sys/kernel_executable.h
@@ -4,10 +4,17 @@
 
 #pragma once
 
+#include <array>
+#include <vector>
+
 #include "common/common_funcs.h"
+#include "common/common_types.h"
 #include "common/swap.h"
 #include "core/file_sys/vfs_types.h"
-#include "core/loader/loader.h"
+
+namespace Loader {
+enum class ResultStatus : u16;
+}
 
 namespace FileSys {
 
diff --git a/src/core/file_sys/mode.h b/src/core/file_sys/mode.h
index c95205668..2b4f21073 100644
--- a/src/core/file_sys/mode.h
+++ b/src/core/file_sys/mode.h
@@ -4,6 +4,7 @@
 
 #pragma once
 
+#include "common/common_funcs.h"
 #include "common/common_types.h"
 
 namespace FileSys {
@@ -11,13 +12,11 @@ namespace FileSys {
 enum class Mode : u32 {
     Read = 1,
     Write = 2,
-    ReadWrite = 3,
+    ReadWrite = Read | Write,
     Append = 4,
-    WriteAppend = 6,
+    WriteAppend = Write | Append,
 };
 
-inline u32 operator&(Mode lhs, Mode rhs) {
-    return static_cast<u32>(lhs) & static_cast<u32>(rhs);
-}
+DECLARE_ENUM_FLAG_OPERATORS(Mode)
 
 } // namespace FileSys
diff --git a/src/core/file_sys/nca_metadata.cpp b/src/core/file_sys/nca_metadata.cpp
index 93d0df6b9..2d1476e3a 100644
--- a/src/core/file_sys/nca_metadata.cpp
+++ b/src/core/file_sys/nca_metadata.cpp
@@ -7,6 +7,7 @@
 #include "common/logging/log.h"
 #include "common/swap.h"
 #include "core/file_sys/nca_metadata.h"
+#include "core/file_sys/vfs.h"
 
 namespace FileSys {
 
diff --git a/src/core/file_sys/nca_metadata.h b/src/core/file_sys/nca_metadata.h
index 1f82fff0a..53535e5f5 100644
--- a/src/core/file_sys/nca_metadata.h
+++ b/src/core/file_sys/nca_metadata.h
@@ -10,7 +10,7 @@
 #include "common/common_funcs.h"
 #include "common/common_types.h"
 #include "common/swap.h"
-#include "core/file_sys/vfs.h"
+#include "core/file_sys/vfs_types.h"
 
 namespace FileSys {
 class CNMT;
diff --git a/src/core/file_sys/nca_patch.cpp b/src/core/file_sys/nca_patch.cpp
index 0090cc6c4..5990a2fd5 100644
--- a/src/core/file_sys/nca_patch.cpp
+++ b/src/core/file_sys/nca_patch.cpp
@@ -3,6 +3,7 @@
 // Refer to the license.txt file included.
 
 #include <algorithm>
+#include <array>
 #include <cstddef>
 #include <cstring>
 
@@ -11,6 +12,49 @@
 #include "core/file_sys/nca_patch.h"
 
 namespace FileSys {
+namespace {
+template <bool Subsection, typename BlockType, typename BucketType>
+std::pair<std::size_t, std::size_t> SearchBucketEntry(u64 offset, const BlockType& block,
+                                                      const BucketType& buckets) {
+    if constexpr (Subsection) {
+        const auto& last_bucket = buckets[block.number_buckets - 1];
+        if (offset >= last_bucket.entries[last_bucket.number_entries].address_patch) {
+            return {block.number_buckets - 1, last_bucket.number_entries};
+        }
+    } else {
+        ASSERT_MSG(offset <= block.size, "Offset is out of bounds in BKTR relocation block.");
+    }
+
+    std::size_t bucket_id = std::count_if(
+        block.base_offsets.begin() + 1, block.base_offsets.begin() + block.number_buckets,
+        [&offset](u64 base_offset) { return base_offset <= offset; });
+
+    const auto& bucket = buckets[bucket_id];
+
+    if (bucket.number_entries == 1) {
+        return {bucket_id, 0};
+    }
+
+    std::size_t low = 0;
+    std::size_t mid = 0;
+    std::size_t high = bucket.number_entries - 1;
+    while (low <= high) {
+        mid = (low + high) / 2;
+        if (bucket.entries[mid].address_patch > offset) {
+            high = mid - 1;
+        } else {
+            if (mid == bucket.number_entries - 1 ||
+                bucket.entries[mid + 1].address_patch > offset) {
+                return {bucket_id, mid};
+            }
+
+            low = mid + 1;
+        }
+    }
+
+    UNREACHABLE_MSG("Offset could not be found in BKTR block.");
+}
+} // Anonymous namespace
 
 BKTR::BKTR(VirtualFile base_romfs_, VirtualFile bktr_romfs_, RelocationBlock relocation_,
            std::vector<RelocationBucket> relocation_buckets_, SubsectionBlock subsection_,
@@ -66,7 +110,7 @@ std::size_t BKTR::Read(u8* data, std::size_t length, std::size_t offset) const {
     Core::Crypto::AESCipher<Core::Crypto::Key128> cipher(key, Core::Crypto::Mode::CTR);
 
     // Calculate AES IV
-    std::vector<u8> iv(16);
+    std::array<u8, 16> iv{};
     auto subsection_ctr = subsection.ctr;
     auto offset_iv = section_offset + base_offset;
     for (std::size_t i = 0; i < section_ctr.size(); ++i)
@@ -109,46 +153,6 @@ std::size_t BKTR::Read(u8* data, std::size_t length, std::size_t offset) const {
     return raw_read;
 }
 
-template <bool Subsection, typename BlockType, typename BucketType>
-std::pair<std::size_t, std::size_t> BKTR::SearchBucketEntry(u64 offset, BlockType block,
-                                                            BucketType buckets) const {
-    if constexpr (Subsection) {
-        const auto last_bucket = buckets[block.number_buckets - 1];
-        if (offset >= last_bucket.entries[last_bucket.number_entries].address_patch)
-            return {block.number_buckets - 1, last_bucket.number_entries};
-    } else {
-        ASSERT_MSG(offset <= block.size, "Offset is out of bounds in BKTR relocation block.");
-    }
-
-    std::size_t bucket_id = std::count_if(
-        block.base_offsets.begin() + 1, block.base_offsets.begin() + block.number_buckets,
-        [&offset](u64 base_offset) { return base_offset <= offset; });
-
-    const auto bucket = buckets[bucket_id];
-
-    if (bucket.number_entries == 1)
-        return {bucket_id, 0};
-
-    std::size_t low = 0;
-    std::size_t mid = 0;
-    std::size_t high = bucket.number_entries - 1;
-    while (low <= high) {
-        mid = (low + high) / 2;
-        if (bucket.entries[mid].address_patch > offset) {
-            high = mid - 1;
-        } else {
-            if (mid == bucket.number_entries - 1 ||
-                bucket.entries[mid + 1].address_patch > offset) {
-                return {bucket_id, mid};
-            }
-
-            low = mid + 1;
-        }
-    }
-
-    UNREACHABLE_MSG("Offset could not be found in BKTR block.");
-}
-
 RelocationEntry BKTR::GetRelocationEntry(u64 offset) const {
     const auto res = SearchBucketEntry<false>(offset, relocation, relocation_buckets);
     return relocation_buckets[res.first].entries[res.second];
diff --git a/src/core/file_sys/nca_patch.h b/src/core/file_sys/nca_patch.h
index 8e64e8378..60c544f8e 100644
--- a/src/core/file_sys/nca_patch.h
+++ b/src/core/file_sys/nca_patch.h
@@ -117,10 +117,6 @@ public:
     bool Rename(std::string_view name) override;
 
 private:
-    template <bool Subsection, typename BlockType, typename BucketType>
-    std::pair<std::size_t, std::size_t> SearchBucketEntry(u64 offset, BlockType block,
-                                                          BucketType buckets) const;
-
     RelocationEntry GetRelocationEntry(u64 offset) const;
     RelocationEntry GetNextRelocationEntry(u64 offset) const;
 
diff --git a/src/core/file_sys/partition_filesystem.cpp b/src/core/file_sys/partition_filesystem.cpp
index 846986736..48a2ed4d4 100644
--- a/src/core/file_sys/partition_filesystem.cpp
+++ b/src/core/file_sys/partition_filesystem.cpp
@@ -21,7 +21,7 @@ bool PartitionFilesystem::Header::HasValidMagicValue() const {
            magic == Common::MakeMagic('P', 'F', 'S', '0');
 }
 
-PartitionFilesystem::PartitionFilesystem(std::shared_ptr<VfsFile> file) {
+PartitionFilesystem::PartitionFilesystem(VirtualFile file) {
     // At least be as large as the header
     if (file->GetSize() < sizeof(Header)) {
         status = Loader::ResultStatus::ErrorBadPFSHeader;
@@ -89,11 +89,11 @@ std::map<std::string, u64> PartitionFilesystem::GetFileSizes() const {
     return sizes;
 }
 
-std::vector<std::shared_ptr<VfsFile>> PartitionFilesystem::GetFiles() const {
+std::vector<VirtualFile> PartitionFilesystem::GetFiles() const {
     return pfs_files;
 }
 
-std::vector<std::shared_ptr<VfsDirectory>> PartitionFilesystem::GetSubdirectories() const {
+std::vector<VirtualDir> PartitionFilesystem::GetSubdirectories() const {
     return {};
 }
 
@@ -101,7 +101,7 @@ std::string PartitionFilesystem::GetName() const {
     return is_hfs ? "HFS0" : "PFS0";
 }
 
-std::shared_ptr<VfsDirectory> PartitionFilesystem::GetParentDirectory() const {
+VirtualDir PartitionFilesystem::GetParentDirectory() const {
     // TODO(DarkLordZach): Add support for nested containers.
     return nullptr;
 }
diff --git a/src/core/file_sys/partition_filesystem.h b/src/core/file_sys/partition_filesystem.h
index 279193b19..0f831148e 100644
--- a/src/core/file_sys/partition_filesystem.h
+++ b/src/core/file_sys/partition_filesystem.h
@@ -24,7 +24,7 @@ namespace FileSys {
  */
 class PartitionFilesystem : public ReadOnlyVfsDirectory {
 public:
-    explicit PartitionFilesystem(std::shared_ptr<VfsFile> file);
+    explicit PartitionFilesystem(VirtualFile file);
     ~PartitionFilesystem() override;
 
     Loader::ResultStatus GetStatus() const;
@@ -32,10 +32,10 @@ public:
     std::map<std::string, u64> GetFileOffsets() const;
     std::map<std::string, u64> GetFileSizes() const;
 
-    std::vector<std::shared_ptr<VfsFile>> GetFiles() const override;
-    std::vector<std::shared_ptr<VfsDirectory>> GetSubdirectories() const override;
+    std::vector<VirtualFile> GetFiles() const override;
+    std::vector<VirtualDir> GetSubdirectories() const override;
     std::string GetName() const override;
-    std::shared_ptr<VfsDirectory> GetParentDirectory() const override;
+    VirtualDir GetParentDirectory() const override;
     void PrintDebugInfo() const;
 
 private:
diff --git a/src/core/file_sys/patch_manager.cpp b/src/core/file_sys/patch_manager.cpp
index c47ff863e..b9c09b456 100644
--- a/src/core/file_sys/patch_manager.cpp
+++ b/src/core/file_sys/patch_manager.cpp
@@ -27,6 +27,7 @@
 #include "core/settings.h"
 
 namespace FileSys {
+namespace {
 
 constexpr u64 SINGLE_BYTE_MODULUS = 0x100;
 constexpr u64 DLC_BASE_TITLE_ID_MASK = 0xFFFFFFFFFFFFE000;
@@ -36,21 +37,29 @@ constexpr std::array<const char*, 14> EXEFS_FILE_NAMES{
     "subsdk3", "subsdk4",   "subsdk5", "subsdk6", "subsdk7", "subsdk8", "subsdk9",
 };
 
-std::string FormatTitleVersion(u32 version, TitleVersionFormat format) {
+enum class TitleVersionFormat : u8 {
+    ThreeElements, ///< vX.Y.Z
+    FourElements,  ///< vX.Y.Z.W
+};
+
+std::string FormatTitleVersion(u32 version,
+                               TitleVersionFormat format = TitleVersionFormat::ThreeElements) {
     std::array<u8, sizeof(u32)> bytes{};
-    bytes[0] = version % SINGLE_BYTE_MODULUS;
+    bytes[0] = static_cast<u8>(version % SINGLE_BYTE_MODULUS);
     for (std::size_t i = 1; i < bytes.size(); ++i) {
         version /= SINGLE_BYTE_MODULUS;
-        bytes[i] = version % SINGLE_BYTE_MODULUS;
+        bytes[i] = static_cast<u8>(version % SINGLE_BYTE_MODULUS);
     }
 
-    if (format == TitleVersionFormat::FourElements)
+    if (format == TitleVersionFormat::FourElements) {
         return fmt::format("v{}.{}.{}.{}", bytes[3], bytes[2], bytes[1], bytes[0]);
+    }
     return fmt::format("v{}.{}.{}", bytes[3], bytes[2], bytes[1]);
 }
 
-std::shared_ptr<VfsDirectory> FindSubdirectoryCaseless(const std::shared_ptr<VfsDirectory> dir,
-                                                       std::string_view name) {
+// Returns a directory with name matching name case-insensitive. Returns nullptr if directory
+// doesn't have a directory with name.
+VirtualDir FindSubdirectoryCaseless(const VirtualDir dir, std::string_view name) {
 #ifdef _WIN32
     return dir->GetSubdirectory(name);
 #else
@@ -66,6 +75,43 @@ std::shared_ptr<VfsDirectory> FindSubdirectoryCaseless(const std::shared_ptr<Vfs
 #endif
 }
 
+std::optional<std::vector<Core::Memory::CheatEntry>> ReadCheatFileFromFolder(
+    u64 title_id, const PatchManager::BuildID& build_id_, const VirtualDir& base_path, bool upper) {
+    const auto build_id_raw = Common::HexToString(build_id_, upper);
+    const auto build_id = build_id_raw.substr(0, sizeof(u64) * 2);
+    const auto file = base_path->GetFile(fmt::format("{}.txt", build_id));
+
+    if (file == nullptr) {
+        LOG_INFO(Common_Filesystem, "No cheats file found for title_id={:016X}, build_id={}",
+                 title_id, build_id);
+        return std::nullopt;
+    }
+
+    std::vector<u8> data(file->GetSize());
+    if (file->Read(data.data(), data.size()) != data.size()) {
+        LOG_INFO(Common_Filesystem, "Failed to read cheats file for title_id={:016X}, build_id={}",
+                 title_id, build_id);
+        return std::nullopt;
+    }
+
+    const Core::Memory::TextCheatParser parser;
+    return parser.Parse(std::string_view(reinterpret_cast<const char*>(data.data()), data.size()));
+}
+
+void AppendCommaIfNotEmpty(std::string& to, std::string_view with) {
+    if (to.empty()) {
+        to += with;
+    } else {
+        to += ", ";
+        to += with;
+    }
+}
+
+bool IsDirValidAndNonEmpty(const VirtualDir& dir) {
+    return dir != nullptr && (!dir->GetFiles().empty() || !dir->GetSubdirectories().empty());
+}
+} // Anonymous namespace
+
 PatchManager::PatchManager(u64 title_id) : title_id(title_id) {}
 
 PatchManager::~PatchManager() = default;
@@ -246,7 +292,7 @@ std::vector<u8> PatchManager::PatchNSO(const std::vector<u8>& nso, const std::st
     return out;
 }
 
-bool PatchManager::HasNSOPatch(const std::array<u8, 32>& build_id_) const {
+bool PatchManager::HasNSOPatch(const BuildID& build_id_) const {
     const auto build_id_raw = Common::HexToString(build_id_);
     const auto build_id = build_id_raw.substr(0, build_id_raw.find_last_not_of('0') + 1);
 
@@ -266,36 +312,8 @@ bool PatchManager::HasNSOPatch(const std::array<u8, 32>& build_id_) const {
     return !CollectPatches(patch_dirs, build_id).empty();
 }
 
-namespace {
-std::optional<std::vector<Core::Memory::CheatEntry>> ReadCheatFileFromFolder(
-    const Core::System& system, u64 title_id, const std::array<u8, 0x20>& build_id_,
-    const VirtualDir& base_path, bool upper) {
-    const auto build_id_raw = Common::HexToString(build_id_, upper);
-    const auto build_id = build_id_raw.substr(0, sizeof(u64) * 2);
-    const auto file = base_path->GetFile(fmt::format("{}.txt", build_id));
-
-    if (file == nullptr) {
-        LOG_INFO(Common_Filesystem, "No cheats file found for title_id={:016X}, build_id={}",
-                 title_id, build_id);
-        return std::nullopt;
-    }
-
-    std::vector<u8> data(file->GetSize());
-    if (file->Read(data.data(), data.size()) != data.size()) {
-        LOG_INFO(Common_Filesystem, "Failed to read cheats file for title_id={:016X}, build_id={}",
-                 title_id, build_id);
-        return std::nullopt;
-    }
-
-    Core::Memory::TextCheatParser parser;
-    return parser.Parse(
-        system, std::string_view(reinterpret_cast<const char* const>(data.data()), data.size()));
-}
-
-} // Anonymous namespace
-
 std::vector<Core::Memory::CheatEntry> PatchManager::CreateCheatList(
-    const Core::System& system, const std::array<u8, 32>& build_id_) const {
+    const Core::System& system, const BuildID& build_id_) const {
     const auto load_dir = system.GetFileSystemController().GetModificationLoadRoot(title_id);
     if (load_dir == nullptr) {
         LOG_ERROR(Loader, "Cannot load mods for invalid title_id={:016X}", title_id);
@@ -315,14 +333,12 @@ std::vector<Core::Memory::CheatEntry> PatchManager::CreateCheatList(
 
         auto cheats_dir = FindSubdirectoryCaseless(subdir, "cheats");
         if (cheats_dir != nullptr) {
-            auto res = ReadCheatFileFromFolder(system, title_id, build_id_, cheats_dir, true);
-            if (res.has_value()) {
+            if (const auto res = ReadCheatFileFromFolder(title_id, build_id_, cheats_dir, true)) {
                 std::copy(res->begin(), res->end(), std::back_inserter(out));
                 continue;
             }
 
-            res = ReadCheatFileFromFolder(system, title_id, build_id_, cheats_dir, false);
-            if (res.has_value()) {
+            if (const auto res = ReadCheatFileFromFolder(title_id, build_id_, cheats_dir, false)) {
                 std::copy(res->begin(), res->end(), std::back_inserter(out));
             }
         }
@@ -436,21 +452,11 @@ VirtualFile PatchManager::PatchRomFS(VirtualFile romfs, u64 ivfc_offset, Content
     return romfs;
 }
 
-static void AppendCommaIfNotEmpty(std::string& to, const std::string& with) {
-    if (to.empty())
-        to += with;
-    else
-        to += ", " + with;
-}
-
-static bool IsDirValidAndNonEmpty(const VirtualDir& dir) {
-    return dir != nullptr && (!dir->GetFiles().empty() || !dir->GetSubdirectories().empty());
-}
-
-std::map<std::string, std::string, std::less<>> PatchManager::GetPatchVersionNames(
-    VirtualFile update_raw) const {
-    if (title_id == 0)
+PatchManager::PatchVersionNames PatchManager::GetPatchVersionNames(VirtualFile update_raw) const {
+    if (title_id == 0) {
         return {};
+    }
+
     std::map<std::string, std::string, std::less<>> out;
     const auto& installed = Core::System::GetInstance().GetContentProvider();
     const auto& disabled = Settings::values.disabled_addons[title_id];
@@ -473,8 +479,7 @@ std::map<std::string, std::string, std::less<>> PatchManager::GetPatchVersionNam
             if (meta_ver.value_or(0) == 0) {
                 out.insert_or_assign(update_label, "");
             } else {
-                out.insert_or_assign(
-                    update_label, FormatTitleVersion(*meta_ver, TitleVersionFormat::ThreeElements));
+                out.insert_or_assign(update_label, FormatTitleVersion(*meta_ver));
             }
         } else if (update_raw != nullptr) {
             out.insert_or_assign(update_label, "PACKED");
@@ -563,40 +568,46 @@ std::optional<u32> PatchManager::GetGameVersion() const {
     return installed.GetEntryVersion(title_id);
 }
 
-std::pair<std::unique_ptr<NACP>, VirtualFile> PatchManager::GetControlMetadata() const {
+PatchManager::Metadata PatchManager::GetControlMetadata() const {
     const auto& installed = Core::System::GetInstance().GetContentProvider();
 
     const auto base_control_nca = installed.GetEntry(title_id, ContentRecordType::Control);
-    if (base_control_nca == nullptr)
+    if (base_control_nca == nullptr) {
         return {};
+    }
 
     return ParseControlNCA(*base_control_nca);
 }
 
-std::pair<std::unique_ptr<NACP>, VirtualFile> PatchManager::ParseControlNCA(const NCA& nca) const {
+PatchManager::Metadata PatchManager::ParseControlNCA(const NCA& nca) const {
     const auto base_romfs = nca.GetRomFS();
-    if (base_romfs == nullptr)
+    if (base_romfs == nullptr) {
         return {};
+    }
 
     const auto romfs = PatchRomFS(base_romfs, nca.GetBaseIVFCOffset(), ContentRecordType::Control);
-    if (romfs == nullptr)
+    if (romfs == nullptr) {
         return {};
+    }
 
     const auto extracted = ExtractRomFS(romfs);
-    if (extracted == nullptr)
+    if (extracted == nullptr) {
         return {};
+    }
 
     auto nacp_file = extracted->GetFile("control.nacp");
-    if (nacp_file == nullptr)
+    if (nacp_file == nullptr) {
         nacp_file = extracted->GetFile("Control.nacp");
+    }
 
     auto nacp = nacp_file == nullptr ? nullptr : std::make_unique<NACP>(nacp_file);
 
     VirtualFile icon_file;
     for (const auto& language : FileSys::LANGUAGE_NAMES) {
-        icon_file = extracted->GetFile("icon_" + std::string(language) + ".dat");
-        if (icon_file != nullptr)
+        icon_file = extracted->GetFile(std::string("icon_").append(language).append(".dat"));
+        if (icon_file != nullptr) {
             break;
+        }
     }
 
     return {std::move(nacp), icon_file};
diff --git a/src/core/file_sys/patch_manager.h b/src/core/file_sys/patch_manager.h
index f4cb918dd..1f28c6241 100644
--- a/src/core/file_sys/patch_manager.h
+++ b/src/core/file_sys/patch_manager.h
@@ -6,10 +6,11 @@
 
 #include <map>
 #include <memory>
+#include <optional>
 #include <string>
 #include "common/common_types.h"
 #include "core/file_sys/nca_metadata.h"
-#include "core/file_sys/vfs.h"
+#include "core/file_sys/vfs_types.h"
 #include "core/memory/dmnt_cheat_types.h"
 
 namespace Core {
@@ -21,71 +22,62 @@ namespace FileSys {
 class NCA;
 class NACP;
 
-enum class TitleVersionFormat : u8 {
-    ThreeElements, ///< vX.Y.Z
-    FourElements,  ///< vX.Y.Z.W
-};
-
-std::string FormatTitleVersion(u32 version,
-                               TitleVersionFormat format = TitleVersionFormat::ThreeElements);
-
-// Returns a directory with name matching name case-insensitive. Returns nullptr if directory
-// doesn't have a directory with name.
-std::shared_ptr<VfsDirectory> FindSubdirectoryCaseless(const std::shared_ptr<VfsDirectory> dir,
-                                                       std::string_view name);
-
 // A centralized class to manage patches to games.
 class PatchManager {
 public:
+    using BuildID = std::array<u8, 0x20>;
+    using Metadata = std::pair<std::unique_ptr<NACP>, VirtualFile>;
+    using PatchVersionNames = std::map<std::string, std::string, std::less<>>;
+
     explicit PatchManager(u64 title_id);
     ~PatchManager();
 
-    u64 GetTitleID() const;
+    [[nodiscard]] u64 GetTitleID() const;
 
     // Currently tracked ExeFS patches:
     // - Game Updates
-    VirtualDir PatchExeFS(VirtualDir exefs) const;
+    [[nodiscard]] VirtualDir PatchExeFS(VirtualDir exefs) const;
 
     // Currently tracked NSO patches:
     // - IPS
     // - IPSwitch
-    std::vector<u8> PatchNSO(const std::vector<u8>& nso, const std::string& name) const;
+    [[nodiscard]] std::vector<u8> PatchNSO(const std::vector<u8>& nso,
+                                           const std::string& name) const;
 
     // Checks to see if PatchNSO() will have any effect given the NSO's build ID.
     // Used to prevent expensive copies in NSO loader.
-    bool HasNSOPatch(const std::array<u8, 0x20>& build_id) const;
+    [[nodiscard]] bool HasNSOPatch(const BuildID& build_id) const;
 
     // Creates a CheatList object with all
-    std::vector<Core::Memory::CheatEntry> CreateCheatList(
-        const Core::System& system, const std::array<u8, 0x20>& build_id) const;
+    [[nodiscard]] std::vector<Core::Memory::CheatEntry> CreateCheatList(
+        const Core::System& system, const BuildID& build_id) const;
 
     // Currently tracked RomFS patches:
     // - Game Updates
     // - LayeredFS
-    VirtualFile PatchRomFS(VirtualFile base, u64 ivfc_offset,
-                           ContentRecordType type = ContentRecordType::Program,
-                           VirtualFile update_raw = nullptr) const;
+    [[nodiscard]] VirtualFile PatchRomFS(VirtualFile base, u64 ivfc_offset,
+                                         ContentRecordType type = ContentRecordType::Program,
+                                         VirtualFile update_raw = nullptr) const;
 
     // Returns a vector of pairs between patch names and patch versions.
     // i.e. Update 3.2.2 will return {"Update", "3.2.2"}
-    std::map<std::string, std::string, std::less<>> GetPatchVersionNames(
-        VirtualFile update_raw = nullptr) const;
+    [[nodiscard]] PatchVersionNames GetPatchVersionNames(VirtualFile update_raw = nullptr) const;
 
     // If the game update exists, returns the u32 version field in its Meta-type NCA. If that fails,
     // it will fallback to the Meta-type NCA of the base game. If that fails, the result will be
     // std::nullopt
-    std::optional<u32> GetGameVersion() const;
+    [[nodiscard]] std::optional<u32> GetGameVersion() const;
 
     // Given title_id of the program, attempts to get the control data of the update and parse
     // it, falling back to the base control data.
-    std::pair<std::unique_ptr<NACP>, VirtualFile> GetControlMetadata() const;
+    [[nodiscard]] Metadata GetControlMetadata() const;
 
     // Version of GetControlMetadata that takes an arbitrary NCA
-    std::pair<std::unique_ptr<NACP>, VirtualFile> ParseControlNCA(const NCA& nca) const;
+    [[nodiscard]] Metadata ParseControlNCA(const NCA& nca) const;
 
 private:
-    std::vector<VirtualFile> CollectPatches(const std::vector<VirtualDir>& patch_dirs,
-                                            const std::string& build_id) const;
+    [[nodiscard]] std::vector<VirtualFile> CollectPatches(const std::vector<VirtualDir>& patch_dirs,
+                                                          const std::string& build_id) const;
 
     u64 title_id;
 };
diff --git a/src/core/file_sys/program_metadata.cpp b/src/core/file_sys/program_metadata.cpp
index 43169bf9f..9cf49bf44 100644
--- a/src/core/file_sys/program_metadata.cpp
+++ b/src/core/file_sys/program_metadata.cpp
@@ -7,6 +7,7 @@
 
 #include "common/logging/log.h"
 #include "core/file_sys/program_metadata.h"
+#include "core/file_sys/vfs.h"
 #include "core/loader/loader.h"
 
 namespace FileSys {
diff --git a/src/core/file_sys/program_metadata.h b/src/core/file_sys/program_metadata.h
index 35069972b..455532567 100644
--- a/src/core/file_sys/program_metadata.h
+++ b/src/core/file_sys/program_metadata.h
@@ -9,7 +9,7 @@
 #include "common/bit_field.h"
 #include "common/common_types.h"
 #include "common/swap.h"
-#include "core/file_sys/vfs.h"
+#include "core/file_sys/vfs_types.h"
 
 namespace Loader {
 enum class ResultStatus : u16;
diff --git a/src/core/file_sys/registered_cache.cpp b/src/core/file_sys/registered_cache.cpp
index 37351c561..da01002d5 100644
--- a/src/core/file_sys/registered_cache.cpp
+++ b/src/core/file_sys/registered_cache.cpp
@@ -257,8 +257,7 @@ std::vector<NcaID> PlaceholderCache::List() const {
     for (const auto& sdir : dir->GetSubdirectories()) {
         for (const auto& file : sdir->GetFiles()) {
             const auto name = file->GetName();
-            if (name.length() == 36 && name[32] == '.' && name[33] == 'n' && name[34] == 'c' &&
-                name[35] == 'a') {
+            if (name.length() == 36 && name.ends_with(".nca")) {
                 out.push_back(Common::HexStringToArray<0x10>(name.substr(0, 32)));
             }
         }
@@ -344,15 +343,18 @@ VirtualFile RegisteredCache::GetFileAtID(NcaID id) const {
 
 static std::optional<NcaID> CheckMapForContentRecord(const std::map<u64, CNMT>& map, u64 title_id,
                                                      ContentRecordType type) {
-    if (map.find(title_id) == map.end())
-        return {};
-
-    const auto& cnmt = map.at(title_id);
+    const auto cmnt_iter = map.find(title_id);
+    if (cmnt_iter == map.cend()) {
+        return std::nullopt;
+    }
 
-    const auto iter = std::find_if(cnmt.GetContentRecords().begin(), cnmt.GetContentRecords().end(),
+    const auto& cnmt = cmnt_iter->second;
+    const auto& content_records = cnmt.GetContentRecords();
+    const auto iter = std::find_if(content_records.cbegin(), content_records.cend(),
                                    [type](const ContentRecord& rec) { return rec.type == type; });
-    if (iter == cnmt.GetContentRecords().end())
-        return {};
+    if (iter == content_records.cend()) {
+        return std::nullopt;
+    }
 
     return std::make_optional(iter->nca_id);
 }
@@ -467,14 +469,16 @@ VirtualFile RegisteredCache::GetEntryUnparsed(u64 title_id, ContentRecordType ty
 
 std::optional<u32> RegisteredCache::GetEntryVersion(u64 title_id) const {
     const auto meta_iter = meta.find(title_id);
-    if (meta_iter != meta.end())
+    if (meta_iter != meta.cend()) {
         return meta_iter->second.GetTitleVersion();
+    }
 
     const auto yuzu_meta_iter = yuzu_meta.find(title_id);
-    if (yuzu_meta_iter != yuzu_meta.end())
+    if (yuzu_meta_iter != yuzu_meta.cend()) {
         return yuzu_meta_iter->second.GetTitleVersion();
+    }
 
-    return {};
+    return std::nullopt;
 }
 
 VirtualFile RegisteredCache::GetEntryRaw(u64 title_id, ContentRecordType type) const {
@@ -547,56 +551,6 @@ InstallResult RegisteredCache::InstallEntry(const XCI& xci, bool overwrite_if_ex
     return InstallEntry(*xci.GetSecurePartitionNSP(), overwrite_if_exists, copy);
 }
 
-bool RegisteredCache::RemoveExistingEntry(u64 title_id) {
-    const auto delete_nca = [this](const NcaID& id) {
-        const auto path = GetRelativePathFromNcaID(id, false, true, false);
-
-        if (dir->GetFileRelative(path) == nullptr) {
-            return false;
-        }
-
-        Core::Crypto::SHA256Hash hash{};
-        mbedtls_sha256_ret(id.data(), id.size(), hash.data(), 0);
-        const auto dirname = fmt::format("000000{:02X}", hash[0]);
-
-        const auto dir2 = GetOrCreateDirectoryRelative(dir, dirname);
-
-        const auto res = dir2->DeleteFile(fmt::format("{}.nca", Common::HexToString(id, false)));
-
-        return res;
-    };
-
-    // If an entry exists in the registered cache, remove it
-    if (HasEntry(title_id, ContentRecordType::Meta)) {
-        LOG_INFO(Loader,
-                 "Previously installed entry (v{}) for title_id={:016X} detected! "
-                 "Attempting to remove...",
-                 GetEntryVersion(title_id).value_or(0), title_id);
-        // Get all the ncas associated with the current CNMT and delete them
-        const auto meta_old_id =
-            GetNcaIDFromMetadata(title_id, ContentRecordType::Meta).value_or(NcaID{});
-        const auto program_id =
-            GetNcaIDFromMetadata(title_id, ContentRecordType::Program).value_or(NcaID{});
-        const auto data_id =
-            GetNcaIDFromMetadata(title_id, ContentRecordType::Data).value_or(NcaID{});
-        const auto control_id =
-            GetNcaIDFromMetadata(title_id, ContentRecordType::Control).value_or(NcaID{});
-        const auto html_id =
-            GetNcaIDFromMetadata(title_id, ContentRecordType::HtmlDocument).value_or(NcaID{});
-        const auto legal_id =
-            GetNcaIDFromMetadata(title_id, ContentRecordType::LegalInformation).value_or(NcaID{});
-
-        delete_nca(meta_old_id);
-        delete_nca(program_id);
-        delete_nca(data_id);
-        delete_nca(control_id);
-        delete_nca(html_id);
-        delete_nca(legal_id);
-        return true;
-    }
-    return false;
-}
-
 InstallResult RegisteredCache::InstallEntry(const NSP& nsp, bool overwrite_if_exists,
                                             const VfsCopyFunction& copy) {
     const auto ncas = nsp.GetNCAsCollapsed();
@@ -666,25 +620,25 @@ InstallResult RegisteredCache::InstallEntry(const NSP& nsp, bool overwrite_if_ex
 
 InstallResult RegisteredCache::InstallEntry(const NCA& nca, TitleType type,
                                             bool overwrite_if_exists, const VfsCopyFunction& copy) {
-    CNMTHeader header{
-        nca.GetTitleId(), // Title ID
-        0,                // Ignore/Default title version
-        type,             // Type
-        {},               // Padding
-        0x10,             // Default table offset
-        1,                // 1 Content Entry
-        0,                // No Meta Entries
-        {},               // Padding
-        {},               // Reserved 1
-        0,                // Is committed
-        0,                // Required download system version
-        {},               // Reserved 2
+    const CNMTHeader header{
+        .title_id = nca.GetTitleId(),
+        .title_version = 0,
+        .type = type,
+        .reserved = {},
+        .table_offset = 0x10,
+        .number_content_entries = 1,
+        .number_meta_entries = 0,
+        .attributes = 0,
+        .reserved2 = {},
+        .is_committed = 0,
+        .required_download_system_version = 0,
+        .reserved3 = {},
     };
-    OptionalHeader opt_header{0, 0};
+    const OptionalHeader opt_header{0, 0};
     ContentRecord c_rec{{}, {}, {}, GetCRTypeFromNCAType(nca.GetType()), {}};
     const auto& data = nca.GetBaseFile()->ReadBytes(0x100000);
     mbedtls_sha256_ret(data.data(), data.size(), c_rec.hash.data(), 0);
-    memcpy(&c_rec.nca_id, &c_rec.hash, 16);
+    std::memcpy(&c_rec.nca_id, &c_rec.hash, 16);
     const CNMT new_cnmt(header, opt_header, {c_rec}, {});
     if (!RawInstallYuzuMeta(new_cnmt)) {
         return InstallResult::ErrorMetaFailed;
@@ -692,6 +646,57 @@ InstallResult RegisteredCache::InstallEntry(const NCA& nca, TitleType type,
     return RawInstallNCA(nca, copy, overwrite_if_exists, c_rec.nca_id);
 }
 
+bool RegisteredCache::RemoveExistingEntry(u64 title_id) const {
+    const auto delete_nca = [this](const NcaID& id) {
+        const auto path = GetRelativePathFromNcaID(id, false, true, false);
+
+        const bool isFile = dir->GetFileRelative(path) != nullptr;
+        const bool isDir = dir->GetDirectoryRelative(path) != nullptr;
+
+        if (isFile) {
+            return dir->DeleteFile(path);
+        } else if (isDir) {
+            return dir->DeleteSubdirectoryRecursive(path);
+        }
+
+        return false;
+    };
+
+    // If an entry exists in the registered cache, remove it
+    if (HasEntry(title_id, ContentRecordType::Meta)) {
+        LOG_INFO(Loader,
+                 "Previously installed entry (v{}) for title_id={:016X} detected! "
+                 "Attempting to remove...",
+                 GetEntryVersion(title_id).value_or(0), title_id);
+
+        // Get all the ncas associated with the current CNMT and delete them
+        const auto meta_old_id =
+            GetNcaIDFromMetadata(title_id, ContentRecordType::Meta).value_or(NcaID{});
+        const auto program_id =
+            GetNcaIDFromMetadata(title_id, ContentRecordType::Program).value_or(NcaID{});
+        const auto data_id =
+            GetNcaIDFromMetadata(title_id, ContentRecordType::Data).value_or(NcaID{});
+        const auto control_id =
+            GetNcaIDFromMetadata(title_id, ContentRecordType::Control).value_or(NcaID{});
+        const auto html_id =
+            GetNcaIDFromMetadata(title_id, ContentRecordType::HtmlDocument).value_or(NcaID{});
+        const auto legal_id =
+            GetNcaIDFromMetadata(title_id, ContentRecordType::LegalInformation).value_or(NcaID{});
+
+        const auto deleted_meta = delete_nca(meta_old_id);
+        const auto deleted_program = delete_nca(program_id);
+        const auto deleted_data = delete_nca(data_id);
+        const auto deleted_control = delete_nca(control_id);
+        const auto deleted_html = delete_nca(html_id);
+        const auto deleted_legal = delete_nca(legal_id);
+
+        return deleted_meta && (deleted_meta || deleted_program || deleted_data ||
+                                deleted_control || deleted_html || deleted_legal);
+    }
+
+    return false;
+}
+
 InstallResult RegisteredCache::RawInstallNCA(const NCA& nca, const VfsCopyFunction& copy,
                                              bool overwrite_if_exists,
                                              std::optional<NcaID> override_id) {
@@ -722,7 +727,7 @@ InstallResult RegisteredCache::RawInstallNCA(const NCA& nca, const VfsCopyFuncti
         LOG_WARNING(Loader, "Overwriting existing NCA...");
         VirtualDir c_dir;
         { c_dir = dir->GetFileRelative(path)->GetContainingDirectory(); }
-        c_dir->DeleteFile(FileUtil::GetFilename(path));
+        c_dir->DeleteFile(Common::FS::GetFilename(path));
     }
 
     auto out = dir->CreateFileRelative(path);
diff --git a/src/core/file_sys/registered_cache.h b/src/core/file_sys/registered_cache.h
index 29cf0d40c..5b414b0f0 100644
--- a/src/core/file_sys/registered_cache.h
+++ b/src/core/file_sys/registered_cache.h
@@ -133,9 +133,9 @@ public:
     // Parsing function defines the conversion from raw file to NCA. If there are other steps
     // besides creating the NCA from the file (e.g. NAX0 on SD Card), that should go in a custom
     // parsing function.
-    explicit RegisteredCache(VirtualDir dir,
-                             ContentProviderParsingFunction parsing_function =
-                                 [](const VirtualFile& file, const NcaID& id) { return file; });
+    explicit RegisteredCache(
+        VirtualDir dir, ContentProviderParsingFunction parsing_function =
+                            [](const VirtualFile& file, const NcaID& id) { return file; });
     ~RegisteredCache() override;
 
     void Refresh() override;
@@ -155,9 +155,6 @@ public:
         std::optional<TitleType> title_type = {}, std::optional<ContentRecordType> record_type = {},
         std::optional<u64> title_id = {}) const override;
 
-    // Removes an existing entry based on title id
-    bool RemoveExistingEntry(u64 title_id);
-
     // Raw copies all the ncas from the xci/nsp to the csache. Does some quick checks to make sure
     // there is a meta NCA and all of them are accessible.
     InstallResult InstallEntry(const XCI& xci, bool overwrite_if_exists = false,
@@ -172,6 +169,9 @@ public:
     InstallResult InstallEntry(const NCA& nca, TitleType type, bool overwrite_if_exists = false,
                                const VfsCopyFunction& copy = &VfsRawCopy);
 
+    // Removes an existing entry based on title id
+    bool RemoveExistingEntry(u64 title_id) const;
+
 private:
     template <typename T>
     void IterateAllMetadata(std::vector<T>& out,
diff --git a/src/core/file_sys/romfs.h b/src/core/file_sys/romfs.h
index 2fd07ed04..82e683782 100644
--- a/src/core/file_sys/romfs.h
+++ b/src/core/file_sys/romfs.h
@@ -4,7 +4,6 @@
 
 #pragma once
 
-#include <array>
 #include "core/file_sys/vfs.h"
 
 namespace FileSys {
diff --git a/src/core/file_sys/romfs_factory.cpp b/src/core/file_sys/romfs_factory.cpp
index 418a39a7e..e967a254e 100644
--- a/src/core/file_sys/romfs_factory.cpp
+++ b/src/core/file_sys/romfs_factory.cpp
@@ -6,7 +6,6 @@
 #include "common/assert.h"
 #include "common/common_types.h"
 #include "common/logging/log.h"
-#include "core/core.h"
 #include "core/file_sys/card_image.h"
 #include "core/file_sys/content_archive.h"
 #include "core/file_sys/nca_metadata.h"
@@ -19,7 +18,9 @@
 
 namespace FileSys {
 
-RomFSFactory::RomFSFactory(Loader::AppLoader& app_loader) {
+RomFSFactory::RomFSFactory(Loader::AppLoader& app_loader, ContentProvider& provider,
+                           Service::FileSystem::FileSystemController& controller)
+    : content_provider{provider}, filesystem_controller{controller} {
     // Load the RomFS from the app
     if (app_loader.ReadRomFS(file) != Loader::ResultStatus::Success) {
         LOG_ERROR(Service_FS, "Unable to read RomFS!");
@@ -46,39 +47,38 @@ ResultVal<VirtualFile> RomFSFactory::OpenCurrentProcess(u64 current_process_titl
 
 ResultVal<VirtualFile> RomFSFactory::Open(u64 title_id, StorageId storage,
                                           ContentRecordType type) const {
-    std::shared_ptr<NCA> res;
-
-    switch (storage) {
-    case StorageId::None:
-        res = Core::System::GetInstance().GetContentProvider().GetEntry(title_id, type);
-        break;
-    case StorageId::NandSystem:
-        res =
-            Core::System::GetInstance().GetFileSystemController().GetSystemNANDContents()->GetEntry(
-                title_id, type);
-        break;
-    case StorageId::NandUser:
-        res = Core::System::GetInstance().GetFileSystemController().GetUserNANDContents()->GetEntry(
-            title_id, type);
-        break;
-    case StorageId::SdCard:
-        res = Core::System::GetInstance().GetFileSystemController().GetSDMCContents()->GetEntry(
-            title_id, type);
-        break;
-    default:
-        UNIMPLEMENTED_MSG("Unimplemented storage_id={:02X}", static_cast<u8>(storage));
-    }
-
+    const std::shared_ptr<NCA> res = GetEntry(title_id, storage, type);
     if (res == nullptr) {
         // TODO(DarkLordZach): Find the right error code to use here
         return RESULT_UNKNOWN;
     }
+
     const auto romfs = res->GetRomFS();
     if (romfs == nullptr) {
         // TODO(DarkLordZach): Find the right error code to use here
         return RESULT_UNKNOWN;
     }
+
     return MakeResult<VirtualFile>(romfs);
 }
 
+std::shared_ptr<NCA> RomFSFactory::GetEntry(u64 title_id, StorageId storage,
+                                            ContentRecordType type) const {
+    switch (storage) {
+    case StorageId::None:
+        return content_provider.GetEntry(title_id, type);
+    case StorageId::NandSystem:
+        return filesystem_controller.GetSystemNANDContents()->GetEntry(title_id, type);
+    case StorageId::NandUser:
+        return filesystem_controller.GetUserNANDContents()->GetEntry(title_id, type);
+    case StorageId::SdCard:
+        return filesystem_controller.GetSDMCContents()->GetEntry(title_id, type);
+    case StorageId::Host:
+    case StorageId::GameCard:
+    default:
+        UNIMPLEMENTED_MSG("Unimplemented storage_id={:02X}", static_cast<u8>(storage));
+        return nullptr;
+    }
+}
+
 } // namespace FileSys
diff --git a/src/core/file_sys/romfs_factory.h b/src/core/file_sys/romfs_factory.h
index c5d40285c..ec704dfa8 100644
--- a/src/core/file_sys/romfs_factory.h
+++ b/src/core/file_sys/romfs_factory.h
@@ -13,8 +13,15 @@ namespace Loader {
 class AppLoader;
 } // namespace Loader
 
+namespace Service::FileSystem {
+class FileSystemController;
+}
+
 namespace FileSys {
 
+class ContentProvider;
+class NCA;
+
 enum class ContentRecordType : u8;
 
 enum class StorageId : u8 {
@@ -29,18 +36,26 @@ enum class StorageId : u8 {
 /// File system interface to the RomFS archive
 class RomFSFactory {
 public:
-    explicit RomFSFactory(Loader::AppLoader& app_loader);
+    explicit RomFSFactory(Loader::AppLoader& app_loader, ContentProvider& provider,
+                          Service::FileSystem::FileSystemController& controller);
     ~RomFSFactory();
 
     void SetPackedUpdate(VirtualFile update_raw);
-    ResultVal<VirtualFile> OpenCurrentProcess(u64 current_process_title_id) const;
-    ResultVal<VirtualFile> Open(u64 title_id, StorageId storage, ContentRecordType type) const;
+    [[nodiscard]] ResultVal<VirtualFile> OpenCurrentProcess(u64 current_process_title_id) const;
+    [[nodiscard]] ResultVal<VirtualFile> Open(u64 title_id, StorageId storage,
+                                              ContentRecordType type) const;
 
 private:
+    [[nodiscard]] std::shared_ptr<NCA> GetEntry(u64 title_id, StorageId storage,
+                                                ContentRecordType type) const;
+
     VirtualFile file;
     VirtualFile update_raw;
     bool updatable;
     u64 ivfc_offset;
+
+    ContentProvider& content_provider;
+    Service::FileSystem::FileSystemController& filesystem_controller;
 };
 
 } // namespace FileSys
diff --git a/src/core/file_sys/savedata_factory.cpp b/src/core/file_sys/savedata_factory.cpp
index adfd2c1a4..ba4efee3a 100644
--- a/src/core/file_sys/savedata_factory.cpp
+++ b/src/core/file_sys/savedata_factory.cpp
@@ -17,23 +17,23 @@ constexpr char SAVE_DATA_SIZE_FILENAME[] = ".yuzu_save_size";
 
 namespace {
 
-void PrintSaveDataDescriptorWarnings(SaveDataDescriptor meta) {
+void PrintSaveDataAttributeWarnings(SaveDataAttribute meta) {
     if (meta.type == SaveDataType::SystemSaveData || meta.type == SaveDataType::SaveData) {
         if (meta.zero_1 != 0) {
             LOG_WARNING(Service_FS,
-                        "Possibly incorrect SaveDataDescriptor, type is "
+                        "Possibly incorrect SaveDataAttribute, type is "
                         "SystemSaveData||SaveData but offset 0x28 is non-zero ({:016X}).",
                         meta.zero_1);
         }
         if (meta.zero_2 != 0) {
             LOG_WARNING(Service_FS,
-                        "Possibly incorrect SaveDataDescriptor, type is "
+                        "Possibly incorrect SaveDataAttribute, type is "
                         "SystemSaveData||SaveData but offset 0x30 is non-zero ({:016X}).",
                         meta.zero_2);
         }
         if (meta.zero_3 != 0) {
             LOG_WARNING(Service_FS,
-                        "Possibly incorrect SaveDataDescriptor, type is "
+                        "Possibly incorrect SaveDataAttribute, type is "
                         "SystemSaveData||SaveData but offset 0x38 is non-zero ({:016X}).",
                         meta.zero_3);
         }
@@ -41,33 +41,32 @@ void PrintSaveDataDescriptorWarnings(SaveDataDescriptor meta) {
 
     if (meta.type == SaveDataType::SystemSaveData && meta.title_id != 0) {
         LOG_WARNING(Service_FS,
-                    "Possibly incorrect SaveDataDescriptor, type is SystemSaveData but title_id is "
+                    "Possibly incorrect SaveDataAttribute, type is SystemSaveData but title_id is "
                     "non-zero ({:016X}).",
                     meta.title_id);
     }
 
     if (meta.type == SaveDataType::DeviceSaveData && meta.user_id != u128{0, 0}) {
         LOG_WARNING(Service_FS,
-                    "Possibly incorrect SaveDataDescriptor, type is DeviceSaveData but user_id is "
+                    "Possibly incorrect SaveDataAttribute, type is DeviceSaveData but user_id is "
                     "non-zero ({:016X}{:016X})",
                     meta.user_id[1], meta.user_id[0]);
     }
 }
 
-bool ShouldSaveDataBeAutomaticallyCreated(SaveDataSpaceId space, const SaveDataDescriptor& desc) {
-    return desc.type == SaveDataType::CacheStorage || desc.type == SaveDataType::TemporaryStorage ||
+bool ShouldSaveDataBeAutomaticallyCreated(SaveDataSpaceId space, const SaveDataAttribute& attr) {
+    return attr.type == SaveDataType::CacheStorage || attr.type == SaveDataType::TemporaryStorage ||
            (space == SaveDataSpaceId::NandUser && ///< Normal Save Data -- Current Title & User
-            (desc.type == SaveDataType::SaveData || desc.type == SaveDataType::DeviceSaveData) &&
-            desc.title_id == 0 && desc.save_id == 0);
+            (attr.type == SaveDataType::SaveData || attr.type == SaveDataType::DeviceSaveData) &&
+            attr.title_id == 0 && attr.save_id == 0);
 }
 
 } // Anonymous namespace
 
-std::string SaveDataDescriptor::DebugInfo() const {
-    return fmt::format("[type={:02X}, title_id={:016X}, user_id={:016X}{:016X}, "
-                       "save_id={:016X}, "
+std::string SaveDataAttribute::DebugInfo() const {
+    return fmt::format("[title_id={:016X}, user_id={:016X}{:016X}, save_id={:016X}, type={:02X}, "
                        "rank={}, index={}]",
-                       static_cast<u8>(type), title_id, user_id[1], user_id[0], save_id,
+                       title_id, user_id[1], user_id[0], save_id, static_cast<u8>(type),
                        static_cast<u8>(rank), index);
 }
 
@@ -80,8 +79,8 @@ SaveDataFactory::SaveDataFactory(VirtualDir save_directory) : dir(std::move(save
 SaveDataFactory::~SaveDataFactory() = default;
 
 ResultVal<VirtualDir> SaveDataFactory::Create(SaveDataSpaceId space,
-                                              const SaveDataDescriptor& meta) const {
-    PrintSaveDataDescriptorWarnings(meta);
+                                              const SaveDataAttribute& meta) const {
+    PrintSaveDataAttributeWarnings(meta);
 
     const auto save_directory =
         GetFullPath(space, meta.type, meta.title_id, meta.user_id, meta.save_id);
@@ -98,7 +97,7 @@ ResultVal<VirtualDir> SaveDataFactory::Create(SaveDataSpaceId space,
 }
 
 ResultVal<VirtualDir> SaveDataFactory::Open(SaveDataSpaceId space,
-                                            const SaveDataDescriptor& meta) const {
+                                            const SaveDataAttribute& meta) const {
 
     const auto save_directory =
         GetFullPath(space, meta.type, meta.title_id, meta.user_id, meta.save_id);
diff --git a/src/core/file_sys/savedata_factory.h b/src/core/file_sys/savedata_factory.h
index 991e57aa1..6625bbbd8 100644
--- a/src/core/file_sys/savedata_factory.h
+++ b/src/core/file_sys/savedata_factory.h
@@ -21,6 +21,7 @@ enum class SaveDataSpaceId : u8 {
     TemporaryStorage = 3,
     SdCardUser = 4,
     ProperSystem = 100,
+    SafeMode = 101,
 };
 
 enum class SaveDataType : u8 {
@@ -30,28 +31,50 @@ enum class SaveDataType : u8 {
     DeviceSaveData = 3,
     TemporaryStorage = 4,
     CacheStorage = 5,
+    SystemBcat = 6,
 };
 
 enum class SaveDataRank : u8 {
-    Primary,
-    Secondary,
+    Primary = 0,
+    Secondary = 1,
 };
 
-struct SaveDataDescriptor {
-    u64_le title_id;
+enum class SaveDataFlags : u32 {
+    None = (0 << 0),
+    KeepAfterResettingSystemSaveData = (1 << 0),
+    KeepAfterRefurbishment = (1 << 1),
+    KeepAfterResettingSystemSaveDataWithoutUserSaveData = (1 << 2),
+    NeedsSecureDelete = (1 << 3),
+};
+
+struct SaveDataAttribute {
+    u64 title_id;
     u128 user_id;
-    u64_le save_id;
+    u64 save_id;
     SaveDataType type;
     SaveDataRank rank;
-    u16_le index;
+    u16 index;
     INSERT_PADDING_BYTES(4);
-    u64_le zero_1;
-    u64_le zero_2;
-    u64_le zero_3;
+    u64 zero_1;
+    u64 zero_2;
+    u64 zero_3;
 
     std::string DebugInfo() const;
 };
-static_assert(sizeof(SaveDataDescriptor) == 0x40, "SaveDataDescriptor has incorrect size.");
+static_assert(sizeof(SaveDataAttribute) == 0x40, "SaveDataAttribute has incorrect size.");
+
+struct SaveDataExtraData {
+    SaveDataAttribute attr;
+    u64 owner_id;
+    s64 timestamp;
+    SaveDataFlags flags;
+    INSERT_PADDING_BYTES(4);
+    s64 available_size;
+    s64 journal_size;
+    s64 commit_id;
+    std::array<u8, 0x190> unused;
+};
+static_assert(sizeof(SaveDataExtraData) == 0x200, "SaveDataExtraData has incorrect size.");
 
 struct SaveDataSize {
     u64 normal;
@@ -64,8 +87,8 @@ public:
     explicit SaveDataFactory(VirtualDir dir);
     ~SaveDataFactory();
 
-    ResultVal<VirtualDir> Create(SaveDataSpaceId space, const SaveDataDescriptor& meta) const;
-    ResultVal<VirtualDir> Open(SaveDataSpaceId space, const SaveDataDescriptor& meta) const;
+    ResultVal<VirtualDir> Create(SaveDataSpaceId space, const SaveDataAttribute& meta) const;
+    ResultVal<VirtualDir> Open(SaveDataSpaceId space, const SaveDataAttribute& meta) const;
 
     VirtualDir GetSaveDataSpaceDirectory(SaveDataSpaceId space) const;
 
diff --git a/src/core/file_sys/sdmc_factory.cpp b/src/core/file_sys/sdmc_factory.cpp
index 6f732e4d8..cb56d8f2d 100644
--- a/src/core/file_sys/sdmc_factory.cpp
+++ b/src/core/file_sys/sdmc_factory.cpp
@@ -5,8 +5,8 @@
 #include <memory>
 #include "core/file_sys/registered_cache.h"
 #include "core/file_sys/sdmc_factory.h"
+#include "core/file_sys/vfs.h"
 #include "core/file_sys/xts_archive.h"
-#include "core/settings.h"
 
 namespace FileSys {
 
diff --git a/src/core/file_sys/sdmc_factory.h b/src/core/file_sys/sdmc_factory.h
index 42dc4e08a..2bb92ba93 100644
--- a/src/core/file_sys/sdmc_factory.h
+++ b/src/core/file_sys/sdmc_factory.h
@@ -5,7 +5,7 @@
 #pragma once
 
 #include <memory>
-#include "core/file_sys/vfs.h"
+#include "core/file_sys/vfs_types.h"
 #include "core/hle/result.h"
 
 namespace FileSys {
diff --git a/src/core/file_sys/submission_package.cpp b/src/core/file_sys/submission_package.cpp
index a6637fa39..90641d23b 100644
--- a/src/core/file_sys/submission_package.cpp
+++ b/src/core/file_sys/submission_package.cpp
@@ -22,7 +22,7 @@ namespace FileSys {
 
 NSP::NSP(VirtualFile file_)
     : file(std::move(file_)), status{Loader::ResultStatus::Success},
-      pfs(std::make_shared<PartitionFilesystem>(file)) {
+      pfs(std::make_shared<PartitionFilesystem>(file)), keys{Core::Crypto::KeyManager::Instance()} {
     if (pfs->GetStatus() != Loader::ResultStatus::Success) {
         status = pfs->GetStatus();
         return;
@@ -264,9 +264,9 @@ void NSP::ReadNCAs(const std::vector<VirtualFile>& files) {
             }
 
             const CNMT cnmt(inner_file);
-            auto& ncas_title = ncas[cnmt.GetTitleID()];
 
-            ncas_title[{cnmt.GetType(), ContentRecordType::Meta}] = nca;
+            ncas[cnmt.GetTitleID()][{cnmt.GetType(), ContentRecordType::Meta}] = nca;
+
             for (const auto& rec : cnmt.GetContentRecords()) {
                 const auto id_string = Common::HexToString(rec.nca_id, false);
                 auto next_file = pfs->GetFile(fmt::format("{}.nca", id_string));
@@ -283,13 +283,32 @@ void NSP::ReadNCAs(const std::vector<VirtualFile>& files) {
                 }
 
                 auto next_nca = std::make_shared<NCA>(std::move(next_file), nullptr, 0);
+
                 if (next_nca->GetType() == NCAContentType::Program) {
-                    program_status[cnmt.GetTitleID()] = next_nca->GetStatus();
+                    program_status[next_nca->GetTitleId()] = next_nca->GetStatus();
                 }
-                if (next_nca->GetStatus() == Loader::ResultStatus::Success ||
-                    (next_nca->GetStatus() == Loader::ResultStatus::ErrorMissingBKTRBaseRomFS &&
-                     (cnmt.GetTitleID() & 0x800) != 0)) {
-                    ncas_title[{cnmt.GetType(), rec.type}] = std::move(next_nca);
+
+                if (next_nca->GetStatus() != Loader::ResultStatus::Success &&
+                    next_nca->GetStatus() != Loader::ResultStatus::ErrorMissingBKTRBaseRomFS) {
+                    continue;
+                }
+
+                // If the last 3 hexadecimal digits of the CNMT TitleID is 0x800 or is missing the
+                // BKTRBaseRomFS, this is an update NCA. Otherwise, this is a base NCA.
+                if ((cnmt.GetTitleID() & 0x800) != 0 ||
+                    next_nca->GetStatus() == Loader::ResultStatus::ErrorMissingBKTRBaseRomFS) {
+                    // If the last 3 hexadecimal digits of the NCA's TitleID is between 0x1 and
+                    // 0x7FF, this is a multi-program update NCA. Otherwise, this is a regular
+                    // update NCA.
+                    if ((next_nca->GetTitleId() & 0x7FF) != 0 &&
+                        (next_nca->GetTitleId() & 0x800) == 0) {
+                        ncas[next_nca->GetTitleId()][{cnmt.GetType(), rec.type}] =
+                            std::move(next_nca);
+                    } else {
+                        ncas[cnmt.GetTitleID()][{cnmt.GetType(), rec.type}] = std::move(next_nca);
+                    }
+                } else {
+                    ncas[next_nca->GetTitleId()][{cnmt.GetType(), rec.type}] = std::move(next_nca);
                 }
             }
 
diff --git a/src/core/file_sys/submission_package.h b/src/core/file_sys/submission_package.h
index 6d54bd807..c70a11b5b 100644
--- a/src/core/file_sys/submission_package.h
+++ b/src/core/file_sys/submission_package.h
@@ -10,6 +10,10 @@
 #include "common/common_types.h"
 #include "core/file_sys/vfs.h"
 
+namespace Core::Crypto {
+class KeyManager;
+}
+
 namespace Loader {
 enum class ResultStatus : u16;
 }
@@ -74,7 +78,7 @@ private:
     std::map<u64, std::map<std::pair<TitleType, ContentRecordType>, std::shared_ptr<NCA>>> ncas;
     std::vector<VirtualFile> ticket_files;
 
-    Core::Crypto::KeyManager& keys = Core::Crypto::KeyManager::Instance();
+    Core::Crypto::KeyManager& keys;
 
     VirtualFile romfs;
     VirtualDir exefs;
diff --git a/src/core/file_sys/system_archive/mii_model.cpp b/src/core/file_sys/system_archive/mii_model.cpp
index 61bb67945..d65c7d234 100644
--- a/src/core/file_sys/system_archive/mii_model.cpp
+++ b/src/core/file_sys/system_archive/mii_model.cpp
@@ -27,18 +27,12 @@ VirtualDir MiiModel() {
     auto out = std::make_shared<VectorVfsDirectory>(std::vector<VirtualFile>{},
                                                     std::vector<VirtualDir>{}, "data");
 
-    out->AddFile(std::make_shared<ArrayVfsFile<MiiModelData::TEXTURE_LOW_LINEAR.size()>>(
-        MiiModelData::TEXTURE_LOW_LINEAR, "NXTextureLowLinear.dat"));
-    out->AddFile(std::make_shared<ArrayVfsFile<MiiModelData::TEXTURE_LOW_SRGB.size()>>(
-        MiiModelData::TEXTURE_LOW_SRGB, "NXTextureLowSRGB.dat"));
-    out->AddFile(std::make_shared<ArrayVfsFile<MiiModelData::TEXTURE_MID_LINEAR.size()>>(
-        MiiModelData::TEXTURE_MID_LINEAR, "NXTextureMidLinear.dat"));
-    out->AddFile(std::make_shared<ArrayVfsFile<MiiModelData::TEXTURE_MID_SRGB.size()>>(
-        MiiModelData::TEXTURE_MID_SRGB, "NXTextureMidSRGB.dat"));
-    out->AddFile(std::make_shared<ArrayVfsFile<MiiModelData::SHAPE_HIGH.size()>>(
-        MiiModelData::SHAPE_HIGH, "ShapeHigh.dat"));
-    out->AddFile(std::make_shared<ArrayVfsFile<MiiModelData::SHAPE_MID.size()>>(
-        MiiModelData::SHAPE_MID, "ShapeMid.dat"));
+    out->AddFile(MakeArrayFile(MiiModelData::TEXTURE_LOW_LINEAR, "NXTextureLowLinear.dat"));
+    out->AddFile(MakeArrayFile(MiiModelData::TEXTURE_LOW_SRGB, "NXTextureLowSRGB.dat"));
+    out->AddFile(MakeArrayFile(MiiModelData::TEXTURE_MID_LINEAR, "NXTextureMidLinear.dat"));
+    out->AddFile(MakeArrayFile(MiiModelData::TEXTURE_MID_SRGB, "NXTextureMidSRGB.dat"));
+    out->AddFile(MakeArrayFile(MiiModelData::SHAPE_HIGH, "ShapeHigh.dat"));
+    out->AddFile(MakeArrayFile(MiiModelData::SHAPE_MID, "ShapeMid.dat"));
 
     return out;
 }
diff --git a/src/core/file_sys/system_archive/ng_word.cpp b/src/core/file_sys/system_archive/ng_word.cpp
index f4443784d..100d3c5db 100644
--- a/src/core/file_sys/system_archive/ng_word.cpp
+++ b/src/core/file_sys/system_archive/ng_word.cpp
@@ -24,19 +24,18 @@ constexpr std::array<u8, 30> WORD_TXT{
 } // namespace NgWord1Data
 
 VirtualDir NgWord1() {
-    std::vector<VirtualFile> files(NgWord1Data::NUMBER_WORD_TXT_FILES);
+    std::vector<VirtualFile> files;
+    files.reserve(NgWord1Data::NUMBER_WORD_TXT_FILES);
 
     for (std::size_t i = 0; i < files.size(); ++i) {
-        files[i] = std::make_shared<ArrayVfsFile<NgWord1Data::WORD_TXT.size()>>(
-            NgWord1Data::WORD_TXT, fmt::format("{}.txt", i));
+        files.push_back(MakeArrayFile(NgWord1Data::WORD_TXT, fmt::format("{}.txt", i)));
     }
 
-    files.push_back(std::make_shared<ArrayVfsFile<NgWord1Data::WORD_TXT.size()>>(
-        NgWord1Data::WORD_TXT, "common.txt"));
-    files.push_back(std::make_shared<ArrayVfsFile<NgWord1Data::VERSION_DAT.size()>>(
-        NgWord1Data::VERSION_DAT, "version.dat"));
+    files.push_back(MakeArrayFile(NgWord1Data::WORD_TXT, "common.txt"));
+    files.push_back(MakeArrayFile(NgWord1Data::VERSION_DAT, "version.dat"));
 
-    return std::make_shared<VectorVfsDirectory>(files, std::vector<VirtualDir>{}, "data");
+    return std::make_shared<VectorVfsDirectory>(std::move(files), std::vector<VirtualDir>{},
+                                                "data");
 }
 
 namespace NgWord2Data {
@@ -55,27 +54,22 @@ constexpr std::array<u8, 0x2C> AC_NX_DATA{
 } // namespace NgWord2Data
 
 VirtualDir NgWord2() {
-    std::vector<VirtualFile> files(NgWord2Data::NUMBER_AC_NX_FILES * 3);
+    std::vector<VirtualFile> files;
+    files.reserve(NgWord2Data::NUMBER_AC_NX_FILES * 3);
 
     for (std::size_t i = 0; i < NgWord2Data::NUMBER_AC_NX_FILES; ++i) {
-        files[3 * i] = std::make_shared<ArrayVfsFile<NgWord2Data::AC_NX_DATA.size()>>(
-            NgWord2Data::AC_NX_DATA, fmt::format("ac_{}_b1_nx", i));
-        files[3 * i + 1] = std::make_shared<ArrayVfsFile<NgWord2Data::AC_NX_DATA.size()>>(
-            NgWord2Data::AC_NX_DATA, fmt::format("ac_{}_b2_nx", i));
-        files[3 * i + 2] = std::make_shared<ArrayVfsFile<NgWord2Data::AC_NX_DATA.size()>>(
-            NgWord2Data::AC_NX_DATA, fmt::format("ac_{}_not_b_nx", i));
+        files.push_back(MakeArrayFile(NgWord2Data::AC_NX_DATA, fmt::format("ac_{}_b1_nx", i)));
+        files.push_back(MakeArrayFile(NgWord2Data::AC_NX_DATA, fmt::format("ac_{}_b2_nx", i)));
+        files.push_back(MakeArrayFile(NgWord2Data::AC_NX_DATA, fmt::format("ac_{}_not_b_nx", i)));
     }
 
-    files.push_back(std::make_shared<ArrayVfsFile<NgWord2Data::AC_NX_DATA.size()>>(
-        NgWord2Data::AC_NX_DATA, "ac_common_b1_nx"));
-    files.push_back(std::make_shared<ArrayVfsFile<NgWord2Data::AC_NX_DATA.size()>>(
-        NgWord2Data::AC_NX_DATA, "ac_common_b2_nx"));
-    files.push_back(std::make_shared<ArrayVfsFile<NgWord2Data::AC_NX_DATA.size()>>(
-        NgWord2Data::AC_NX_DATA, "ac_common_not_b_nx"));
-    files.push_back(std::make_shared<ArrayVfsFile<NgWord2Data::VERSION_DAT.size()>>(
-        NgWord2Data::VERSION_DAT, "version.dat"));
+    files.push_back(MakeArrayFile(NgWord2Data::AC_NX_DATA, "ac_common_b1_nx"));
+    files.push_back(MakeArrayFile(NgWord2Data::AC_NX_DATA, "ac_common_b2_nx"));
+    files.push_back(MakeArrayFile(NgWord2Data::AC_NX_DATA, "ac_common_not_b_nx"));
+    files.push_back(MakeArrayFile(NgWord2Data::VERSION_DAT, "version.dat"));
 
-    return std::make_shared<VectorVfsDirectory>(files, std::vector<VirtualDir>{}, "data");
+    return std::make_shared<VectorVfsDirectory>(std::move(files), std::vector<VirtualDir>{},
+                                                "data");
 }
 
 } // namespace FileSys::SystemArchive
diff --git a/src/core/file_sys/system_archive/time_zone_binary.cpp b/src/core/file_sys/system_archive/time_zone_binary.cpp
index 9806bd197..8fd005012 100644
--- a/src/core/file_sys/system_archive/time_zone_binary.cpp
+++ b/src/core/file_sys/system_archive/time_zone_binary.cpp
@@ -2,6 +2,9 @@
 // Licensed under GPLv2 or any later version
 // Refer to the license.txt file included.
 
+#include <array>
+#include <vector>
+
 #include "common/swap.h"
 #include "core/file_sys/system_archive/time_zone_binary.h"
 #include "core/file_sys/vfs_vector.h"
@@ -615,43 +618,49 @@ static constexpr std::array<u8, 9633> LOCATION_NAMES{
     0x0a};
 
 static VirtualFile GenerateDefaultTimeZoneFile() {
-    struct {
+    struct TimeZoneInfo {
         s64_be at;
-        INSERT_PADDING_BYTES(7);
+        std::array<u8, 7> padding1;
         std::array<char, 4> time_zone_chars;
-        INSERT_PADDING_BYTES(2);
+        std::array<u8, 2> padding2;
         std::array<char, 6> time_zone_name;
-    } time_zone_info{};
+    };
 
-    const VirtualFile file{std::make_shared<VectorVfsFile>(
-        std::vector<u8>(sizeof(Service::Time::TimeZone::TzifHeader) + sizeof(time_zone_info)),
+    VirtualFile file{std::make_shared<VectorVfsFile>(
+        std::vector<u8>(sizeof(Service::Time::TimeZone::TzifHeader) + sizeof(TimeZoneInfo)),
         "GMT")};
 
-    Service::Time::TimeZone::TzifHeader header{};
-    header.magic = 0x545a6966;
-    header.version = 0x32;
-    header.ttis_gmt_count = 0x1;
-    header.ttis_std_count = 0x1;
-    header.time_count = 0x1;
-    header.type_count = 0x1;
-    header.char_count = 0x4;
+    const Service::Time::TimeZone::TzifHeader header{
+        .magic = 0x545a6966,
+        .version = 0x32,
+        .ttis_gmt_count = 1,
+        .ttis_std_count = 1,
+        .time_count = 1,
+        .type_count = 1,
+        .char_count = 4,
+    };
     file->WriteObject(header, 0);
 
-    time_zone_info.at = 0xf8;
-    time_zone_info.time_zone_chars = {'G', 'M', 'T', '\0'};
-    time_zone_info.time_zone_name = {'\n', 'G', 'M', 'T', '0', '\n'};
+    const TimeZoneInfo time_zone_info{
+        .at = 0xf8,
+        .padding1 = {},
+        .time_zone_chars = {'G', 'M', 'T', '\0'},
+        .padding2 = {},
+        .time_zone_name = {'\n', 'G', 'M', 'T', '0', '\n'},
+    };
     file->WriteObject(time_zone_info, sizeof(Service::Time::TimeZone::TzifHeader));
 
     return file;
 }
 
 VirtualDir TimeZoneBinary() {
-    const std::vector<VirtualDir> root_dirs{std::make_shared<VectorVfsDirectory>(
+    std::vector<VirtualDir> root_dirs{std::make_shared<VectorVfsDirectory>(
         std::vector<VirtualFile>{GenerateDefaultTimeZoneFile()}, std::vector<VirtualDir>{},
         "zoneinfo")};
-    const std::vector<VirtualFile> root_files{
-        std::make_shared<ArrayVfsFile<LOCATION_NAMES.size()>>(LOCATION_NAMES, "binaryList.txt")};
-    return std::make_shared<VectorVfsDirectory>(root_files, root_dirs, "data");
+    std::vector<VirtualFile> root_files{MakeArrayFile(LOCATION_NAMES, "binaryList.txt")};
+
+    return std::make_shared<VectorVfsDirectory>(std::move(root_files), std::move(root_dirs),
+                                                "data");
 }
 
 } // namespace FileSys::SystemArchive
diff --git a/src/core/file_sys/vfs.cpp b/src/core/file_sys/vfs.cpp
index e33327ef0..b2f026b6d 100644
--- a/src/core/file_sys/vfs.cpp
+++ b/src/core/file_sys/vfs.cpp
@@ -30,7 +30,7 @@ bool VfsFilesystem::IsWritable() const {
 }
 
 VfsEntryType VfsFilesystem::GetEntryType(std::string_view path_) const {
-    const auto path = FileUtil::SanitizePath(path_);
+    const auto path = Common::FS::SanitizePath(path_);
     if (root->GetFileRelative(path) != nullptr)
         return VfsEntryType::File;
     if (root->GetDirectoryRelative(path) != nullptr)
@@ -40,22 +40,22 @@ VfsEntryType VfsFilesystem::GetEntryType(std::string_view path_) const {
 }
 
 VirtualFile VfsFilesystem::OpenFile(std::string_view path_, Mode perms) {
-    const auto path = FileUtil::SanitizePath(path_);
+    const auto path = Common::FS::SanitizePath(path_);
     return root->GetFileRelative(path);
 }
 
 VirtualFile VfsFilesystem::CreateFile(std::string_view path_, Mode perms) {
-    const auto path = FileUtil::SanitizePath(path_);
+    const auto path = Common::FS::SanitizePath(path_);
     return root->CreateFileRelative(path);
 }
 
 VirtualFile VfsFilesystem::CopyFile(std::string_view old_path_, std::string_view new_path_) {
-    const auto old_path = FileUtil::SanitizePath(old_path_);
-    const auto new_path = FileUtil::SanitizePath(new_path_);
+    const auto old_path = Common::FS::SanitizePath(old_path_);
+    const auto new_path = Common::FS::SanitizePath(new_path_);
 
     // VfsDirectory impls are only required to implement copy across the current directory.
-    if (FileUtil::GetParentPath(old_path) == FileUtil::GetParentPath(new_path)) {
-        if (!root->Copy(FileUtil::GetFilename(old_path), FileUtil::GetFilename(new_path)))
+    if (Common::FS::GetParentPath(old_path) == Common::FS::GetParentPath(new_path)) {
+        if (!root->Copy(Common::FS::GetFilename(old_path), Common::FS::GetFilename(new_path)))
             return nullptr;
         return OpenFile(new_path, Mode::ReadWrite);
     }
@@ -76,8 +76,8 @@ VirtualFile VfsFilesystem::CopyFile(std::string_view old_path_, std::string_view
 }
 
 VirtualFile VfsFilesystem::MoveFile(std::string_view old_path, std::string_view new_path) {
-    const auto sanitized_old_path = FileUtil::SanitizePath(old_path);
-    const auto sanitized_new_path = FileUtil::SanitizePath(new_path);
+    const auto sanitized_old_path = Common::FS::SanitizePath(old_path);
+    const auto sanitized_new_path = Common::FS::SanitizePath(new_path);
 
     // Again, non-default impls are highly encouraged to provide a more optimized version of this.
     auto out = CopyFile(sanitized_old_path, sanitized_new_path);
@@ -89,26 +89,26 @@ VirtualFile VfsFilesystem::MoveFile(std::string_view old_path, std::string_view
 }
 
 bool VfsFilesystem::DeleteFile(std::string_view path_) {
-    const auto path = FileUtil::SanitizePath(path_);
-    auto parent = OpenDirectory(FileUtil::GetParentPath(path), Mode::Write);
+    const auto path = Common::FS::SanitizePath(path_);
+    auto parent = OpenDirectory(Common::FS::GetParentPath(path), Mode::Write);
     if (parent == nullptr)
         return false;
-    return parent->DeleteFile(FileUtil::GetFilename(path));
+    return parent->DeleteFile(Common::FS::GetFilename(path));
 }
 
 VirtualDir VfsFilesystem::OpenDirectory(std::string_view path_, Mode perms) {
-    const auto path = FileUtil::SanitizePath(path_);
+    const auto path = Common::FS::SanitizePath(path_);
     return root->GetDirectoryRelative(path);
 }
 
 VirtualDir VfsFilesystem::CreateDirectory(std::string_view path_, Mode perms) {
-    const auto path = FileUtil::SanitizePath(path_);
+    const auto path = Common::FS::SanitizePath(path_);
     return root->CreateDirectoryRelative(path);
 }
 
 VirtualDir VfsFilesystem::CopyDirectory(std::string_view old_path_, std::string_view new_path_) {
-    const auto old_path = FileUtil::SanitizePath(old_path_);
-    const auto new_path = FileUtil::SanitizePath(new_path_);
+    const auto old_path = Common::FS::SanitizePath(old_path_);
+    const auto new_path = Common::FS::SanitizePath(new_path_);
 
     // Non-default impls are highly encouraged to provide a more optimized version of this.
     auto old_dir = OpenDirectory(old_path, Mode::Read);
@@ -139,8 +139,8 @@ VirtualDir VfsFilesystem::CopyDirectory(std::string_view old_path_, std::string_
 }
 
 VirtualDir VfsFilesystem::MoveDirectory(std::string_view old_path, std::string_view new_path) {
-    const auto sanitized_old_path = FileUtil::SanitizePath(old_path);
-    const auto sanitized_new_path = FileUtil::SanitizePath(new_path);
+    const auto sanitized_old_path = Common::FS::SanitizePath(old_path);
+    const auto sanitized_new_path = Common::FS::SanitizePath(new_path);
 
     // Non-default impls are highly encouraged to provide a more optimized version of this.
     auto out = CopyDirectory(sanitized_old_path, sanitized_new_path);
@@ -152,28 +152,29 @@ VirtualDir VfsFilesystem::MoveDirectory(std::string_view old_path, std::string_v
 }
 
 bool VfsFilesystem::DeleteDirectory(std::string_view path_) {
-    const auto path = FileUtil::SanitizePath(path_);
-    auto parent = OpenDirectory(FileUtil::GetParentPath(path), Mode::Write);
+    const auto path = Common::FS::SanitizePath(path_);
+    auto parent = OpenDirectory(Common::FS::GetParentPath(path), Mode::Write);
     if (parent == nullptr)
         return false;
-    return parent->DeleteSubdirectoryRecursive(FileUtil::GetFilename(path));
+    return parent->DeleteSubdirectoryRecursive(Common::FS::GetFilename(path));
 }
 
 VfsFile::~VfsFile() = default;
 
 std::string VfsFile::GetExtension() const {
-    return std::string(FileUtil::GetExtensionFromFilename(GetName()));
+    return std::string(Common::FS::GetExtensionFromFilename(GetName()));
 }
 
 VfsDirectory::~VfsDirectory() = default;
 
 std::optional<u8> VfsFile::ReadByte(std::size_t offset) const {
     u8 out{};
-    std::size_t size = Read(&out, 1, offset);
-    if (size == 1)
+    const std::size_t size = Read(&out, sizeof(u8), offset);
+    if (size == 1) {
         return out;
+    }
 
-    return {};
+    return std::nullopt;
 }
 
 std::vector<u8> VfsFile::ReadBytes(std::size_t size, std::size_t offset) const {
@@ -203,7 +204,7 @@ std::string VfsFile::GetFullPath() const {
 }
 
 std::shared_ptr<VfsFile> VfsDirectory::GetFileRelative(std::string_view path) const {
-    auto vec = FileUtil::SplitPathComponents(path);
+    auto vec = Common::FS::SplitPathComponents(path);
     vec.erase(std::remove_if(vec.begin(), vec.end(), [](const auto& str) { return str.empty(); }),
               vec.end());
     if (vec.empty()) {
@@ -239,7 +240,7 @@ std::shared_ptr<VfsFile> VfsDirectory::GetFileAbsolute(std::string_view path) co
 }
 
 std::shared_ptr<VfsDirectory> VfsDirectory::GetDirectoryRelative(std::string_view path) const {
-    auto vec = FileUtil::SplitPathComponents(path);
+    auto vec = Common::FS::SplitPathComponents(path);
     vec.erase(std::remove_if(vec.begin(), vec.end(), [](const auto& str) { return str.empty(); }),
               vec.end());
     if (vec.empty()) {
@@ -301,7 +302,7 @@ std::size_t VfsDirectory::GetSize() const {
 }
 
 std::shared_ptr<VfsFile> VfsDirectory::CreateFileRelative(std::string_view path) {
-    auto vec = FileUtil::SplitPathComponents(path);
+    auto vec = Common::FS::SplitPathComponents(path);
     vec.erase(std::remove_if(vec.begin(), vec.end(), [](const auto& str) { return str.empty(); }),
               vec.end());
     if (vec.empty()) {
@@ -320,7 +321,7 @@ std::shared_ptr<VfsFile> VfsDirectory::CreateFileRelative(std::string_view path)
         }
     }
 
-    return dir->CreateFileRelative(FileUtil::GetPathWithoutTop(path));
+    return dir->CreateFileRelative(Common::FS::GetPathWithoutTop(path));
 }
 
 std::shared_ptr<VfsFile> VfsDirectory::CreateFileAbsolute(std::string_view path) {
@@ -332,7 +333,7 @@ std::shared_ptr<VfsFile> VfsDirectory::CreateFileAbsolute(std::string_view path)
 }
 
 std::shared_ptr<VfsDirectory> VfsDirectory::CreateDirectoryRelative(std::string_view path) {
-    auto vec = FileUtil::SplitPathComponents(path);
+    auto vec = Common::FS::SplitPathComponents(path);
     vec.erase(std::remove_if(vec.begin(), vec.end(), [](const auto& str) { return str.empty(); }),
               vec.end());
     if (vec.empty()) {
@@ -351,7 +352,7 @@ std::shared_ptr<VfsDirectory> VfsDirectory::CreateDirectoryRelative(std::string_
         }
     }
 
-    return dir->CreateDirectoryRelative(FileUtil::GetPathWithoutTop(path));
+    return dir->CreateDirectoryRelative(Common::FS::GetPathWithoutTop(path));
 }
 
 std::shared_ptr<VfsDirectory> VfsDirectory::CreateDirectoryAbsolute(std::string_view path) {
diff --git a/src/core/file_sys/vfs_libzip.cpp b/src/core/file_sys/vfs_libzip.cpp
index d69952940..429d7bc8b 100644
--- a/src/core/file_sys/vfs_libzip.cpp
+++ b/src/core/file_sys/vfs_libzip.cpp
@@ -49,7 +49,7 @@ VirtualDir ExtractZIP(VirtualFile file) {
             if (zip_fread(file2.get(), buf.data(), buf.size()) != s64(buf.size()))
                 return nullptr;
 
-            const auto parts = FileUtil::SplitPathComponents(stat.name);
+            const auto parts = Common::FS::SplitPathComponents(stat.name);
             const auto new_file = std::make_shared<VectorVfsFile>(buf, parts.back());
 
             std::shared_ptr<VectorVfsDirectory> dtrv = out;
diff --git a/src/core/file_sys/vfs_offset.cpp b/src/core/file_sys/vfs_offset.cpp
index c96f88488..7714d3de5 100644
--- a/src/core/file_sys/vfs_offset.cpp
+++ b/src/core/file_sys/vfs_offset.cpp
@@ -58,10 +58,11 @@ std::size_t OffsetVfsFile::Write(const u8* data, std::size_t length, std::size_t
 }
 
 std::optional<u8> OffsetVfsFile::ReadByte(std::size_t r_offset) const {
-    if (r_offset < size)
-        return file->ReadByte(offset + r_offset);
+    if (r_offset >= size) {
+        return std::nullopt;
+    }
 
-    return {};
+    return file->ReadByte(offset + r_offset);
 }
 
 std::vector<u8> OffsetVfsFile::ReadBytes(std::size_t r_size, std::size_t r_offset) const {
diff --git a/src/core/file_sys/vfs_real.cpp b/src/core/file_sys/vfs_real.cpp
index 96ce5957c..488687ba9 100644
--- a/src/core/file_sys/vfs_real.cpp
+++ b/src/core/file_sys/vfs_real.cpp
@@ -14,24 +14,28 @@
 
 namespace FileSys {
 
+namespace FS = Common::FS;
+
 static std::string ModeFlagsToString(Mode mode) {
     std::string mode_str;
 
     // Calculate the correct open mode for the file.
-    if (mode & Mode::Read && mode & Mode::Write) {
-        if (mode & Mode::Append)
+    if (True(mode & Mode::Read) && True(mode & Mode::Write)) {
+        if (True(mode & Mode::Append)) {
             mode_str = "a+";
-        else
+        } else {
             mode_str = "r+";
+        }
     } else {
-        if (mode & Mode::Read)
+        if (True(mode & Mode::Read)) {
             mode_str = "r";
-        else if (mode & Mode::Append)
+        } else if (True(mode & Mode::Append)) {
             mode_str = "a";
-        else if (mode & Mode::Write)
+        } else if (True(mode & Mode::Write)) {
             mode_str = "w";
-        else
+        } else {
             UNREACHABLE_MSG("Invalid file open mode: {:02X}", static_cast<u8>(mode));
+        }
     }
 
     mode_str += "b";
@@ -55,78 +59,82 @@ bool RealVfsFilesystem::IsWritable() const {
 }
 
 VfsEntryType RealVfsFilesystem::GetEntryType(std::string_view path_) const {
-    const auto path = FileUtil::SanitizePath(path_, FileUtil::DirectorySeparator::PlatformDefault);
-    if (!FileUtil::Exists(path))
+    const auto path = FS::SanitizePath(path_, FS::DirectorySeparator::PlatformDefault);
+    if (!FS::Exists(path)) {
         return VfsEntryType::None;
-    if (FileUtil::IsDirectory(path))
+    }
+    if (FS::IsDirectory(path)) {
         return VfsEntryType::Directory;
+    }
 
     return VfsEntryType::File;
 }
 
 VirtualFile RealVfsFilesystem::OpenFile(std::string_view path_, Mode perms) {
-    const auto path = FileUtil::SanitizePath(path_, FileUtil::DirectorySeparator::PlatformDefault);
-    if (cache.find(path) != cache.end()) {
-        auto weak = cache[path];
+    const auto path = FS::SanitizePath(path_, FS::DirectorySeparator::PlatformDefault);
+
+    if (const auto weak_iter = cache.find(path); weak_iter != cache.cend()) {
+        const auto& weak = weak_iter->second;
+
         if (!weak.expired()) {
             return std::shared_ptr<RealVfsFile>(new RealVfsFile(*this, weak.lock(), path, perms));
         }
     }
 
-    if (!FileUtil::Exists(path) && (perms & Mode::WriteAppend) != 0)
-        FileUtil::CreateEmptyFile(path);
+    if (!FS::Exists(path) && True(perms & Mode::WriteAppend)) {
+        FS::CreateEmptyFile(path);
+    }
 
-    auto backing = std::make_shared<FileUtil::IOFile>(path, ModeFlagsToString(perms).c_str());
-    cache[path] = backing;
+    auto backing = std::make_shared<FS::IOFile>(path, ModeFlagsToString(perms).c_str());
+    cache.insert_or_assign(path, backing);
 
     // Cannot use make_shared as RealVfsFile constructor is private
     return std::shared_ptr<RealVfsFile>(new RealVfsFile(*this, backing, path, perms));
 }
 
 VirtualFile RealVfsFilesystem::CreateFile(std::string_view path_, Mode perms) {
-    const auto path = FileUtil::SanitizePath(path_, FileUtil::DirectorySeparator::PlatformDefault);
-    const auto path_fwd = FileUtil::SanitizePath(path, FileUtil::DirectorySeparator::ForwardSlash);
-    if (!FileUtil::Exists(path)) {
-        FileUtil::CreateFullPath(path_fwd);
-        if (!FileUtil::CreateEmptyFile(path))
+    const auto path = FS::SanitizePath(path_, FS::DirectorySeparator::PlatformDefault);
+    const auto path_fwd = FS::SanitizePath(path, FS::DirectorySeparator::ForwardSlash);
+    if (!FS::Exists(path)) {
+        FS::CreateFullPath(path_fwd);
+        if (!FS::CreateEmptyFile(path)) {
             return nullptr;
+        }
     }
     return OpenFile(path, perms);
 }
 
 VirtualFile RealVfsFilesystem::CopyFile(std::string_view old_path_, std::string_view new_path_) {
-    const auto old_path =
-        FileUtil::SanitizePath(old_path_, FileUtil::DirectorySeparator::PlatformDefault);
-    const auto new_path =
-        FileUtil::SanitizePath(new_path_, FileUtil::DirectorySeparator::PlatformDefault);
+    const auto old_path = FS::SanitizePath(old_path_, FS::DirectorySeparator::PlatformDefault);
+    const auto new_path = FS::SanitizePath(new_path_, FS::DirectorySeparator::PlatformDefault);
 
-    if (!FileUtil::Exists(old_path) || FileUtil::Exists(new_path) ||
-        FileUtil::IsDirectory(old_path) || !FileUtil::Copy(old_path, new_path))
+    if (!FS::Exists(old_path) || FS::Exists(new_path) || FS::IsDirectory(old_path) ||
+        !FS::Copy(old_path, new_path)) {
         return nullptr;
+    }
     return OpenFile(new_path, Mode::ReadWrite);
 }
 
 VirtualFile RealVfsFilesystem::MoveFile(std::string_view old_path_, std::string_view new_path_) {
-    const auto old_path =
-        FileUtil::SanitizePath(old_path_, FileUtil::DirectorySeparator::PlatformDefault);
-    const auto new_path =
-        FileUtil::SanitizePath(new_path_, FileUtil::DirectorySeparator::PlatformDefault);
+    const auto old_path = FS::SanitizePath(old_path_, FS::DirectorySeparator::PlatformDefault);
+    const auto new_path = FS::SanitizePath(new_path_, FS::DirectorySeparator::PlatformDefault);
+    const auto cached_file_iter = cache.find(old_path);
 
-    if (cache.find(old_path) != cache.end()) {
-        auto file = cache[old_path].lock();
+    if (cached_file_iter != cache.cend()) {
+        auto file = cached_file_iter->second.lock();
 
-        if (!cache[old_path].expired()) {
+        if (!cached_file_iter->second.expired()) {
             file->Close();
         }
 
-        if (!FileUtil::Exists(old_path) || FileUtil::Exists(new_path) ||
-            FileUtil::IsDirectory(old_path) || !FileUtil::Rename(old_path, new_path)) {
+        if (!FS::Exists(old_path) || FS::Exists(new_path) || FS::IsDirectory(old_path) ||
+            !FS::Rename(old_path, new_path)) {
             return nullptr;
         }
 
         cache.erase(old_path);
         file->Open(new_path, "r+b");
-        cache[new_path] = file;
+        cache.insert_or_assign(new_path, std::move(file));
     } else {
         UNREACHABLE();
         return nullptr;
@@ -136,28 +144,33 @@ VirtualFile RealVfsFilesystem::MoveFile(std::string_view old_path_, std::string_
 }
 
 bool RealVfsFilesystem::DeleteFile(std::string_view path_) {
-    const auto path = FileUtil::SanitizePath(path_, FileUtil::DirectorySeparator::PlatformDefault);
-    if (cache.find(path) != cache.end()) {
-        if (!cache[path].expired())
-            cache[path].lock()->Close();
+    const auto path = FS::SanitizePath(path_, FS::DirectorySeparator::PlatformDefault);
+    const auto cached_iter = cache.find(path);
+
+    if (cached_iter != cache.cend()) {
+        if (!cached_iter->second.expired()) {
+            cached_iter->second.lock()->Close();
+        }
         cache.erase(path);
     }
-    return FileUtil::Delete(path);
+
+    return FS::Delete(path);
 }
 
 VirtualDir RealVfsFilesystem::OpenDirectory(std::string_view path_, Mode perms) {
-    const auto path = FileUtil::SanitizePath(path_, FileUtil::DirectorySeparator::PlatformDefault);
+    const auto path = FS::SanitizePath(path_, FS::DirectorySeparator::PlatformDefault);
     // Cannot use make_shared as RealVfsDirectory constructor is private
     return std::shared_ptr<RealVfsDirectory>(new RealVfsDirectory(*this, path, perms));
 }
 
 VirtualDir RealVfsFilesystem::CreateDirectory(std::string_view path_, Mode perms) {
-    const auto path = FileUtil::SanitizePath(path_, FileUtil::DirectorySeparator::PlatformDefault);
-    const auto path_fwd = FileUtil::SanitizePath(path, FileUtil::DirectorySeparator::ForwardSlash);
-    if (!FileUtil::Exists(path)) {
-        FileUtil::CreateFullPath(path_fwd);
-        if (!FileUtil::CreateDir(path))
+    const auto path = FS::SanitizePath(path_, FS::DirectorySeparator::PlatformDefault);
+    const auto path_fwd = FS::SanitizePath(path, FS::DirectorySeparator::ForwardSlash);
+    if (!FS::Exists(path)) {
+        FS::CreateFullPath(path_fwd);
+        if (!FS::CreateDir(path)) {
             return nullptr;
+        }
     }
     // Cannot use make_shared as RealVfsDirectory constructor is private
     return std::shared_ptr<RealVfsDirectory>(new RealVfsDirectory(*this, path, perms));
@@ -165,67 +178,75 @@ VirtualDir RealVfsFilesystem::CreateDirectory(std::string_view path_, Mode perms
 
 VirtualDir RealVfsFilesystem::CopyDirectory(std::string_view old_path_,
                                             std::string_view new_path_) {
-    const auto old_path =
-        FileUtil::SanitizePath(old_path_, FileUtil::DirectorySeparator::PlatformDefault);
-    const auto new_path =
-        FileUtil::SanitizePath(new_path_, FileUtil::DirectorySeparator::PlatformDefault);
-    if (!FileUtil::Exists(old_path) || FileUtil::Exists(new_path) ||
-        !FileUtil::IsDirectory(old_path))
+    const auto old_path = FS::SanitizePath(old_path_, FS::DirectorySeparator::PlatformDefault);
+    const auto new_path = FS::SanitizePath(new_path_, FS::DirectorySeparator::PlatformDefault);
+    if (!FS::Exists(old_path) || FS::Exists(new_path) || !FS::IsDirectory(old_path)) {
         return nullptr;
-    FileUtil::CopyDir(old_path, new_path);
+    }
+    FS::CopyDir(old_path, new_path);
     return OpenDirectory(new_path, Mode::ReadWrite);
 }
 
 VirtualDir RealVfsFilesystem::MoveDirectory(std::string_view old_path_,
                                             std::string_view new_path_) {
-    const auto old_path =
-        FileUtil::SanitizePath(old_path_, FileUtil::DirectorySeparator::PlatformDefault);
-    const auto new_path =
-        FileUtil::SanitizePath(new_path_, FileUtil::DirectorySeparator::PlatformDefault);
-    if (!FileUtil::Exists(old_path) || FileUtil::Exists(new_path) ||
-        FileUtil::IsDirectory(old_path) || !FileUtil::Rename(old_path, new_path))
+    const auto old_path = FS::SanitizePath(old_path_, FS::DirectorySeparator::PlatformDefault);
+    const auto new_path = FS::SanitizePath(new_path_, FS::DirectorySeparator::PlatformDefault);
+
+    if (!FS::Exists(old_path) || FS::Exists(new_path) || FS::IsDirectory(old_path) ||
+        !FS::Rename(old_path, new_path)) {
         return nullptr;
+    }
 
     for (auto& kv : cache) {
-        // Path in cache starts with old_path
-        if (kv.first.rfind(old_path, 0) == 0) {
-            const auto file_old_path =
-                FileUtil::SanitizePath(kv.first, FileUtil::DirectorySeparator::PlatformDefault);
-            const auto file_new_path =
-                FileUtil::SanitizePath(new_path + DIR_SEP + kv.first.substr(old_path.size()),
-                                       FileUtil::DirectorySeparator::PlatformDefault);
-            auto cached = cache[file_old_path];
-            if (!cached.expired()) {
-                auto file = cached.lock();
-                file->Open(file_new_path, "r+b");
-                cache.erase(file_old_path);
-                cache[file_new_path] = file;
-            }
+        // If the path in the cache doesn't start with old_path, then bail on this file.
+        if (kv.first.rfind(old_path, 0) != 0) {
+            continue;
+        }
+
+        const auto file_old_path =
+            FS::SanitizePath(kv.first, FS::DirectorySeparator::PlatformDefault);
+        auto file_new_path = FS::SanitizePath(new_path + DIR_SEP + kv.first.substr(old_path.size()),
+                                              FS::DirectorySeparator::PlatformDefault);
+        const auto& cached = cache[file_old_path];
+
+        if (cached.expired()) {
+            continue;
         }
+
+        auto file = cached.lock();
+        file->Open(file_new_path, "r+b");
+        cache.erase(file_old_path);
+        cache.insert_or_assign(std::move(file_new_path), std::move(file));
     }
 
     return OpenDirectory(new_path, Mode::ReadWrite);
 }
 
 bool RealVfsFilesystem::DeleteDirectory(std::string_view path_) {
-    const auto path = FileUtil::SanitizePath(path_, FileUtil::DirectorySeparator::PlatformDefault);
+    const auto path = FS::SanitizePath(path_, FS::DirectorySeparator::PlatformDefault);
+
     for (auto& kv : cache) {
-        // Path in cache starts with old_path
-        if (kv.first.rfind(path, 0) == 0) {
-            if (!cache[kv.first].expired())
-                cache[kv.first].lock()->Close();
-            cache.erase(kv.first);
+        // If the path in the cache doesn't start with path, then bail on this file.
+        if (kv.first.rfind(path, 0) != 0) {
+            continue;
+        }
+
+        const auto& entry = cache[kv.first];
+        if (!entry.expired()) {
+            entry.lock()->Close();
         }
+
+        cache.erase(kv.first);
     }
-    return FileUtil::DeleteDirRecursively(path);
+
+    return FS::DeleteDirRecursively(path);
 }
 
-RealVfsFile::RealVfsFile(RealVfsFilesystem& base_, std::shared_ptr<FileUtil::IOFile> backing_,
+RealVfsFile::RealVfsFile(RealVfsFilesystem& base_, std::shared_ptr<FS::IOFile> backing_,
                          const std::string& path_, Mode perms_)
-    : base(base_), backing(std::move(backing_)), path(path_),
-      parent_path(FileUtil::GetParentPath(path_)),
-      path_components(FileUtil::SplitPathComponents(path_)),
-      parent_components(FileUtil::SliceVector(path_components, 0, path_components.size() - 1)),
+    : base(base_), backing(std::move(backing_)), path(path_), parent_path(FS::GetParentPath(path_)),
+      path_components(FS::SplitPathComponents(path_)),
+      parent_components(FS::SliceVector(path_components, 0, path_components.size() - 1)),
       perms(perms_) {}
 
 RealVfsFile::~RealVfsFile() = default;
@@ -247,22 +268,24 @@ std::shared_ptr<VfsDirectory> RealVfsFile::GetContainingDirectory() const {
 }
 
 bool RealVfsFile::IsWritable() const {
-    return (perms & Mode::WriteAppend) != 0;
+    return True(perms & Mode::WriteAppend);
 }
 
 bool RealVfsFile::IsReadable() const {
-    return (perms & Mode::ReadWrite) != 0;
+    return True(perms & Mode::ReadWrite);
 }
 
 std::size_t RealVfsFile::Read(u8* data, std::size_t length, std::size_t offset) const {
-    if (!backing->Seek(offset, SEEK_SET))
+    if (!backing->Seek(static_cast<s64>(offset), SEEK_SET)) {
         return 0;
+    }
     return backing->ReadBytes(data, length);
 }
 
 std::size_t RealVfsFile::Write(const u8* data, std::size_t length, std::size_t offset) {
-    if (!backing->Seek(offset, SEEK_SET))
+    if (!backing->Seek(static_cast<s64>(offset), SEEK_SET)) {
         return 0;
+    }
     return backing->WriteBytes(data, length);
 }
 
@@ -279,16 +302,18 @@ bool RealVfsFile::Close() {
 
 template <>
 std::vector<VirtualFile> RealVfsDirectory::IterateEntries<RealVfsFile, VfsFile>() const {
-    if (perms == Mode::Append)
+    if (perms == Mode::Append) {
         return {};
+    }
 
     std::vector<VirtualFile> out;
-    FileUtil::ForeachDirectoryEntry(
+    FS::ForeachDirectoryEntry(
         nullptr, path,
         [&out, this](u64* entries_out, const std::string& directory, const std::string& filename) {
             const std::string full_path = directory + DIR_SEP + filename;
-            if (!FileUtil::IsDirectory(full_path))
+            if (!FS::IsDirectory(full_path)) {
                 out.emplace_back(base.OpenFile(full_path, perms));
+            }
             return true;
         });
 
@@ -297,16 +322,18 @@ std::vector<VirtualFile> RealVfsDirectory::IterateEntries<RealVfsFile, VfsFile>(
 
 template <>
 std::vector<VirtualDir> RealVfsDirectory::IterateEntries<RealVfsDirectory, VfsDirectory>() const {
-    if (perms == Mode::Append)
+    if (perms == Mode::Append) {
         return {};
+    }
 
     std::vector<VirtualDir> out;
-    FileUtil::ForeachDirectoryEntry(
+    FS::ForeachDirectoryEntry(
         nullptr, path,
         [&out, this](u64* entries_out, const std::string& directory, const std::string& filename) {
             const std::string full_path = directory + DIR_SEP + filename;
-            if (FileUtil::IsDirectory(full_path))
+            if (FS::IsDirectory(full_path)) {
                 out.emplace_back(base.OpenDirectory(full_path, perms));
+            }
             return true;
         });
 
@@ -314,28 +341,30 @@ std::vector<VirtualDir> RealVfsDirectory::IterateEntries<RealVfsDirectory, VfsDi
 }
 
 RealVfsDirectory::RealVfsDirectory(RealVfsFilesystem& base_, const std::string& path_, Mode perms_)
-    : base(base_), path(FileUtil::RemoveTrailingSlash(path_)),
-      parent_path(FileUtil::GetParentPath(path)),
-      path_components(FileUtil::SplitPathComponents(path)),
-      parent_components(FileUtil::SliceVector(path_components, 0, path_components.size() - 1)),
+    : base(base_), path(FS::RemoveTrailingSlash(path_)), parent_path(FS::GetParentPath(path)),
+      path_components(FS::SplitPathComponents(path)),
+      parent_components(FS::SliceVector(path_components, 0, path_components.size() - 1)),
       perms(perms_) {
-    if (!FileUtil::Exists(path) && perms & Mode::WriteAppend)
-        FileUtil::CreateDir(path);
+    if (!FS::Exists(path) && True(perms & Mode::WriteAppend)) {
+        FS::CreateDir(path);
+    }
 }
 
 RealVfsDirectory::~RealVfsDirectory() = default;
 
 std::shared_ptr<VfsFile> RealVfsDirectory::GetFileRelative(std::string_view path) const {
-    const auto full_path = FileUtil::SanitizePath(this->path + DIR_SEP + std::string(path));
-    if (!FileUtil::Exists(full_path) || FileUtil::IsDirectory(full_path))
+    const auto full_path = FS::SanitizePath(this->path + DIR_SEP + std::string(path));
+    if (!FS::Exists(full_path) || FS::IsDirectory(full_path)) {
         return nullptr;
+    }
     return base.OpenFile(full_path, perms);
 }
 
 std::shared_ptr<VfsDirectory> RealVfsDirectory::GetDirectoryRelative(std::string_view path) const {
-    const auto full_path = FileUtil::SanitizePath(this->path + DIR_SEP + std::string(path));
-    if (!FileUtil::Exists(full_path) || !FileUtil::IsDirectory(full_path))
+    const auto full_path = FS::SanitizePath(this->path + DIR_SEP + std::string(path));
+    if (!FS::Exists(full_path) || !FS::IsDirectory(full_path)) {
         return nullptr;
+    }
     return base.OpenDirectory(full_path, perms);
 }
 
@@ -348,17 +377,17 @@ std::shared_ptr<VfsDirectory> RealVfsDirectory::GetSubdirectory(std::string_view
 }
 
 std::shared_ptr<VfsFile> RealVfsDirectory::CreateFileRelative(std::string_view path) {
-    const auto full_path = FileUtil::SanitizePath(this->path + DIR_SEP + std::string(path));
+    const auto full_path = FS::SanitizePath(this->path + DIR_SEP + std::string(path));
     return base.CreateFile(full_path, perms);
 }
 
 std::shared_ptr<VfsDirectory> RealVfsDirectory::CreateDirectoryRelative(std::string_view path) {
-    const auto full_path = FileUtil::SanitizePath(this->path + DIR_SEP + std::string(path));
+    const auto full_path = FS::SanitizePath(this->path + DIR_SEP + std::string(path));
     return base.CreateDirectory(full_path, perms);
 }
 
 bool RealVfsDirectory::DeleteSubdirectoryRecursive(std::string_view name) {
-    auto full_path = FileUtil::SanitizePath(this->path + DIR_SEP + std::string(name));
+    const auto full_path = FS::SanitizePath(this->path + DIR_SEP + std::string(name));
     return base.DeleteDirectory(full_path);
 }
 
@@ -371,11 +400,11 @@ std::vector<std::shared_ptr<VfsDirectory>> RealVfsDirectory::GetSubdirectories()
 }
 
 bool RealVfsDirectory::IsWritable() const {
-    return (perms & Mode::WriteAppend) != 0;
+    return True(perms & Mode::WriteAppend);
 }
 
 bool RealVfsDirectory::IsReadable() const {
-    return (perms & Mode::ReadWrite) != 0;
+    return True(perms & Mode::ReadWrite);
 }
 
 std::string RealVfsDirectory::GetName() const {
@@ -383,8 +412,9 @@ std::string RealVfsDirectory::GetName() const {
 }
 
 std::shared_ptr<VfsDirectory> RealVfsDirectory::GetParentDirectory() const {
-    if (path_components.size() <= 1)
+    if (path_components.size() <= 1) {
         return nullptr;
+    }
 
     return base.OpenDirectory(parent_path, perms);
 }
@@ -421,16 +451,17 @@ std::string RealVfsDirectory::GetFullPath() const {
 }
 
 std::map<std::string, VfsEntryType, std::less<>> RealVfsDirectory::GetEntries() const {
-    if (perms == Mode::Append)
+    if (perms == Mode::Append) {
         return {};
+    }
 
     std::map<std::string, VfsEntryType, std::less<>> out;
-    FileUtil::ForeachDirectoryEntry(
+    FS::ForeachDirectoryEntry(
         nullptr, path,
         [&out](u64* entries_out, const std::string& directory, const std::string& filename) {
             const std::string full_path = directory + DIR_SEP + filename;
-            out.emplace(filename, FileUtil::IsDirectory(full_path) ? VfsEntryType::Directory
-                                                                   : VfsEntryType::File);
+            out.emplace(filename,
+                        FS::IsDirectory(full_path) ? VfsEntryType::Directory : VfsEntryType::File);
             return true;
         });
 
diff --git a/src/core/file_sys/vfs_real.h b/src/core/file_sys/vfs_real.h
index a0a857a31..0b537b22c 100644
--- a/src/core/file_sys/vfs_real.h
+++ b/src/core/file_sys/vfs_real.h
@@ -9,7 +9,7 @@
 #include "core/file_sys/mode.h"
 #include "core/file_sys/vfs.h"
 
-namespace FileUtil {
+namespace Common::FS {
 class IOFile;
 }
 
@@ -36,7 +36,7 @@ public:
     bool DeleteDirectory(std::string_view path) override;
 
 private:
-    boost::container::flat_map<std::string, std::weak_ptr<FileUtil::IOFile>> cache;
+    boost::container::flat_map<std::string, std::weak_ptr<Common::FS::IOFile>> cache;
 };
 
 // An implmentation of VfsFile that represents a file on the user's computer.
@@ -58,13 +58,13 @@ public:
     bool Rename(std::string_view name) override;
 
 private:
-    RealVfsFile(RealVfsFilesystem& base, std::shared_ptr<FileUtil::IOFile> backing,
+    RealVfsFile(RealVfsFilesystem& base, std::shared_ptr<Common::FS::IOFile> backing,
                 const std::string& path, Mode perms = Mode::Read);
 
     bool Close();
 
     RealVfsFilesystem& base;
-    std::shared_ptr<FileUtil::IOFile> backing;
+    std::shared_ptr<Common::FS::IOFile> backing;
     std::string path;
     std::string parent_path;
     std::vector<std::string> path_components;
diff --git a/src/core/file_sys/vfs_static.h b/src/core/file_sys/vfs_static.h
index 9f5a90b1b..8b27c30fa 100644
--- a/src/core/file_sys/vfs_static.h
+++ b/src/core/file_sys/vfs_static.h
@@ -54,9 +54,11 @@ public:
     }
 
     std::optional<u8> ReadByte(std::size_t offset) const override {
-        if (offset < size)
-            return value;
-        return {};
+        if (offset >= size) {
+            return std::nullopt;
+        }
+
+        return value;
     }
 
     std::vector<u8> ReadBytes(std::size_t length, std::size_t offset) const override {
diff --git a/src/core/file_sys/vfs_vector.h b/src/core/file_sys/vfs_vector.h
index ac36cb2ee..95d3da2f2 100644
--- a/src/core/file_sys/vfs_vector.h
+++ b/src/core/file_sys/vfs_vector.h
@@ -4,7 +4,11 @@
 
 #pragma once
 
+#include <array>
 #include <cstring>
+#include <memory>
+#include <string>
+#include <vector>
 #include "core/file_sys/vfs.h"
 
 namespace FileSys {
@@ -13,7 +17,8 @@ namespace FileSys {
 template <std::size_t size>
 class ArrayVfsFile : public VfsFile {
 public:
-    ArrayVfsFile(std::array<u8, size> data, std::string name = "", VirtualDir parent = nullptr)
+    explicit ArrayVfsFile(const std::array<u8, size>& data, std::string name = "",
+                          VirtualDir parent = nullptr)
         : data(data), name(std::move(name)), parent(std::move(parent)) {}
 
     std::string GetName() const override {
@@ -61,6 +66,12 @@ private:
     VirtualDir parent;
 };
 
+template <std::size_t Size, typename... Args>
+std::shared_ptr<ArrayVfsFile<Size>> MakeArrayFile(const std::array<u8, Size>& data,
+                                                  Args&&... args) {
+    return std::make_shared<ArrayVfsFile<Size>>(data, std::forward<Args>(args)...);
+}
+
 // An implementation of VfsFile that is backed by a vector optionally supplied upon construction
 class VectorVfsFile : public VfsFile {
 public:
diff --git a/src/core/file_sys/xts_archive.cpp b/src/core/file_sys/xts_archive.cpp
index 86e06ccb9..24c58e7ae 100644
--- a/src/core/file_sys/xts_archive.cpp
+++ b/src/core/file_sys/xts_archive.cpp
@@ -15,8 +15,9 @@
 #include "common/hex_util.h"
 #include "common/string_util.h"
 #include "core/crypto/aes_util.h"
+#include "core/crypto/key_manager.h"
 #include "core/crypto/xts_encryption_layer.h"
-#include "core/file_sys/partition_filesystem.h"
+#include "core/file_sys/content_archive.h"
 #include "core/file_sys/vfs_offset.h"
 #include "core/file_sys/xts_archive.h"
 #include "core/loader/loader.h"
@@ -43,8 +44,10 @@ static bool CalculateHMAC256(Destination* out, const SourceKey* key, std::size_t
     return true;
 }
 
-NAX::NAX(VirtualFile file_) : header(std::make_unique<NAXHeader>()), file(std::move(file_)) {
-    std::string path = FileUtil::SanitizePath(file->GetFullPath());
+NAX::NAX(VirtualFile file_)
+    : header(std::make_unique<NAXHeader>()),
+      file(std::move(file_)), keys{Core::Crypto::KeyManager::Instance()} {
+    std::string path = Common::FS::SanitizePath(file->GetFullPath());
     static const std::regex nax_path_regex("/registered/(000000[0-9A-F]{2})/([0-9A-F]{32})\\.nca",
                                            std::regex_constants::ECMAScript |
                                                std::regex_constants::icase);
@@ -60,7 +63,8 @@ NAX::NAX(VirtualFile file_) : header(std::make_unique<NAXHeader>()), file(std::m
 }
 
 NAX::NAX(VirtualFile file_, std::array<u8, 0x10> nca_id)
-    : header(std::make_unique<NAXHeader>()), file(std::move(file_)) {
+    : header(std::make_unique<NAXHeader>()),
+      file(std::move(file_)), keys{Core::Crypto::KeyManager::Instance()} {
     Core::Crypto::SHA256Hash hash{};
     mbedtls_sha256_ret(nca_id.data(), nca_id.size(), hash.data(), 0);
     status = Parse(fmt::format("/registered/000000{:02X}/{}.nca", hash[0],
@@ -70,14 +74,18 @@ NAX::NAX(VirtualFile file_, std::array<u8, 0x10> nca_id)
 NAX::~NAX() = default;
 
 Loader::ResultStatus NAX::Parse(std::string_view path) {
-    if (file->ReadObject(header.get()) != sizeof(NAXHeader))
+    if (file == nullptr) {
+        return Loader::ResultStatus::ErrorNullFile;
+    }
+    if (file->ReadObject(header.get()) != sizeof(NAXHeader)) {
         return Loader::ResultStatus::ErrorBadNAXHeader;
-
-    if (header->magic != Common::MakeMagic('N', 'A', 'X', '0'))
+    }
+    if (header->magic != Common::MakeMagic('N', 'A', 'X', '0')) {
         return Loader::ResultStatus::ErrorBadNAXHeader;
-
-    if (file->GetSize() < NAX_HEADER_PADDING_SIZE + header->file_size)
+    }
+    if (file->GetSize() < NAX_HEADER_PADDING_SIZE + header->file_size) {
         return Loader::ResultStatus::ErrorIncorrectNAXFileSize;
+    }
 
     keys.DeriveSDSeedLazy();
     std::array<Core::Crypto::Key256, 2> sd_keys{};
diff --git a/src/core/file_sys/xts_archive.h b/src/core/file_sys/xts_archive.h
index 563531bb6..c472e226e 100644
--- a/src/core/file_sys/xts_archive.h
+++ b/src/core/file_sys/xts_archive.h
@@ -9,12 +9,16 @@
 #include "common/common_types.h"
 #include "common/swap.h"
 #include "core/crypto/key_manager.h"
-#include "core/file_sys/content_archive.h"
 #include "core/file_sys/vfs.h"
-#include "core/loader/loader.h"
+
+namespace Loader {
+enum class ResultStatus : u16;
+}
 
 namespace FileSys {
 
+class NCA;
+
 struct NAXHeader {
     std::array<u8, 0x20> hmac;
     u64_le magic;
@@ -62,6 +66,6 @@ private:
 
     VirtualFile dec_file;
 
-    Core::Crypto::KeyManager& keys = Core::Crypto::KeyManager::Instance();
+    Core::Crypto::KeyManager& keys;
 };
 } // namespace FileSys
diff --git a/src/core/frontend/applets/controller.cpp b/src/core/frontend/applets/controller.cpp
new file mode 100644
index 000000000..c5d65f2d0
--- /dev/null
+++ b/src/core/frontend/applets/controller.cpp
@@ -0,0 +1,81 @@
+// Copyright 2020 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include "common/assert.h"
+#include "common/logging/log.h"
+#include "core/frontend/applets/controller.h"
+#include "core/hle/service/hid/controllers/npad.h"
+#include "core/hle/service/hid/hid.h"
+#include "core/hle/service/sm/sm.h"
+
+namespace Core::Frontend {
+
+ControllerApplet::~ControllerApplet() = default;
+
+DefaultControllerApplet::DefaultControllerApplet(Service::SM::ServiceManager& service_manager_)
+    : service_manager{service_manager_} {}
+
+DefaultControllerApplet::~DefaultControllerApplet() = default;
+
+void DefaultControllerApplet::ReconfigureControllers(std::function<void()> callback,
+                                                     ControllerParameters parameters) const {
+    LOG_INFO(Service_HID, "called, deducing the best configuration based on the given parameters!");
+
+    auto& npad =
+        service_manager.GetService<Service::HID::Hid>("hid")
+            ->GetAppletResource()
+            ->GetController<Service::HID::Controller_NPad>(Service::HID::HidController::NPad);
+
+    auto& players = Settings::values.players;
+
+    const std::size_t min_supported_players =
+        parameters.enable_single_mode ? 1 : parameters.min_players;
+
+    // Disconnect Handheld first.
+    npad.DisconnectNPadAtIndex(8);
+
+    // Deduce the best configuration based on the input parameters.
+    for (std::size_t index = 0; index < players.size() - 2; ++index) {
+        // First, disconnect all controllers regardless of the value of keep_controllers_connected.
+        // This makes it easy to connect the desired controllers.
+        npad.DisconnectNPadAtIndex(index);
+
+        // Only connect the minimum number of required players.
+        if (index >= min_supported_players) {
+            continue;
+        }
+
+        // Connect controllers based on the following priority list from highest to lowest priority:
+        // Pro Controller -> Dual Joycons -> Left Joycon/Right Joycon -> Handheld
+        if (parameters.allow_pro_controller) {
+            npad.AddNewControllerAt(
+                npad.MapSettingsTypeToNPad(Settings::ControllerType::ProController), index);
+        } else if (parameters.allow_dual_joycons) {
+            npad.AddNewControllerAt(
+                npad.MapSettingsTypeToNPad(Settings::ControllerType::DualJoyconDetached), index);
+        } else if (parameters.allow_left_joycon && parameters.allow_right_joycon) {
+            // Assign left joycons to even player indices and right joycons to odd player indices.
+            // We do this since Captain Toad Treasure Tracker expects a left joycon for Player 1 and
+            // a right Joycon for Player 2 in 2 Player Assist mode.
+            if (index % 2 == 0) {
+                npad.AddNewControllerAt(
+                    npad.MapSettingsTypeToNPad(Settings::ControllerType::LeftJoycon), index);
+            } else {
+                npad.AddNewControllerAt(
+                    npad.MapSettingsTypeToNPad(Settings::ControllerType::RightJoycon), index);
+            }
+        } else if (index == 0 && parameters.enable_single_mode && parameters.allow_handheld &&
+                   !Settings::values.use_docked_mode) {
+            // We should *never* reach here under any normal circumstances.
+            npad.AddNewControllerAt(npad.MapSettingsTypeToNPad(Settings::ControllerType::Handheld),
+                                    index);
+        } else {
+            UNREACHABLE_MSG("Unable to add a new controller based on the given parameters!");
+        }
+    }
+
+    callback();
+}
+
+} // namespace Core::Frontend
diff --git a/src/core/frontend/applets/controller.h b/src/core/frontend/applets/controller.h
new file mode 100644
index 000000000..3e49cdbb9
--- /dev/null
+++ b/src/core/frontend/applets/controller.h
@@ -0,0 +1,56 @@
+// Copyright 2020 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <functional>
+
+#include "common/common_types.h"
+
+namespace Service::SM {
+class ServiceManager;
+}
+
+namespace Core::Frontend {
+
+using BorderColor = std::array<u8, 4>;
+using ExplainText = std::array<char, 0x81>;
+
+struct ControllerParameters {
+    s8 min_players{};
+    s8 max_players{};
+    bool keep_controllers_connected{};
+    bool enable_single_mode{};
+    bool enable_border_color{};
+    std::vector<BorderColor> border_colors{};
+    bool enable_explain_text{};
+    std::vector<ExplainText> explain_text{};
+    bool allow_pro_controller{};
+    bool allow_handheld{};
+    bool allow_dual_joycons{};
+    bool allow_left_joycon{};
+    bool allow_right_joycon{};
+};
+
+class ControllerApplet {
+public:
+    virtual ~ControllerApplet();
+
+    virtual void ReconfigureControllers(std::function<void()> callback,
+                                        ControllerParameters parameters) const = 0;
+};
+
+class DefaultControllerApplet final : public ControllerApplet {
+public:
+    explicit DefaultControllerApplet(Service::SM::ServiceManager& service_manager_);
+    ~DefaultControllerApplet() override;
+
+    void ReconfigureControllers(std::function<void()> callback,
+                                ControllerParameters parameters) const override;
+
+private:
+    Service::SM::ServiceManager& service_manager;
+};
+
+} // namespace Core::Frontend
diff --git a/src/core/frontend/emu_window.h b/src/core/frontend/emu_window.h
index 13aa14934..3e8780243 100644
--- a/src/core/frontend/emu_window.h
+++ b/src/core/frontend/emu_window.h
@@ -39,7 +39,7 @@ public:
 
     class Scoped {
     public:
-        explicit Scoped(GraphicsContext& context_) : context(context_) {
+        [[nodiscard]] explicit Scoped(GraphicsContext& context_) : context(context_) {
             context.MakeCurrent();
         }
         ~Scoped() {
@@ -52,7 +52,7 @@ public:
 
     /// Calls MakeCurrent on the context and calls DoneCurrent when the scope for the returned value
     /// ends
-    Scoped Acquire() {
+    [[nodiscard]] Scoped Acquire() {
         return Scoped{*this};
     }
 };
diff --git a/src/core/frontend/framebuffer_layout.h b/src/core/frontend/framebuffer_layout.h
index 91ecc30ab..e2e3bbbb3 100644
--- a/src/core/frontend/framebuffer_layout.h
+++ b/src/core/frontend/framebuffer_layout.h
@@ -4,6 +4,7 @@
 
 #pragma once
 
+#include "common/common_types.h"
 #include "common/math_util.h"
 
 namespace Layout {
diff --git a/src/core/frontend/input.h b/src/core/frontend/input.h
index 2b098b7c6..277b70e53 100644
--- a/src/core/frontend/input.h
+++ b/src/core/frontend/input.h
@@ -33,6 +33,9 @@ public:
     virtual bool GetAnalogDirectionStatus(AnalogDirection direction) const {
         return {};
     }
+    virtual bool SetRumblePlay(f32 amp_high, f32 amp_low, f32 freq_high, f32 freq_low) const {
+        return {};
+    }
 };
 
 /// An abstract class template for a factory that can create input devices.
@@ -119,11 +122,11 @@ using ButtonDevice = InputDevice<bool>;
 using AnalogDevice = InputDevice<std::tuple<float, float>>;
 
 /**
- * A motion device is an input device that returns a tuple of accelerometer state vector and
- * gyroscope state vector.
+ * A motion status is an object that returns a tuple of accelerometer state vector,
+ * gyroscope state vector, rotation state vector and orientation state matrix.
  *
  * For both vectors:
- *   x+ is the same direction as LEFT on D-pad.
+ *   x+ is the same direction as RIGHT on D-pad.
  *   y+ is normal to the touch screen, pointing outward.
  *   z+ is the same direction as UP on D-pad.
  *
@@ -133,8 +136,22 @@ using AnalogDevice = InputDevice<std::tuple<float, float>>;
  * For gyroscope state vector:
  *   Orientation is determined by right-hand rule.
  *   Units: deg/sec
+ *
+ * For rotation state vector
+ *   Units: rotations
+ *
+ * For orientation state matrix
+ *   x vector
+ *   y vector
+ *   z vector
+ */
+using MotionStatus = std::tuple<Common::Vec3<float>, Common::Vec3<float>, Common::Vec3<float>,
+                                std::array<Common::Vec3f, 3>>;
+
+/**
+ * A motion device is an input device that returns a motion status object
  */
-using MotionDevice = InputDevice<std::tuple<Common::Vec3<float>, Common::Vec3<float>>>;
+using MotionDevice = InputDevice<MotionStatus>;
 
 /**
  * A touch device is an input device that returns a tuple of two floats and a bool. The floats are
diff --git a/src/core/hardware_interrupt_manager.cpp b/src/core/hardware_interrupt_manager.cpp
index c629d9fa1..645f26e91 100644
--- a/src/core/hardware_interrupt_manager.cpp
+++ b/src/core/hardware_interrupt_manager.cpp
@@ -11,19 +11,20 @@
 namespace Core::Hardware {
 
 InterruptManager::InterruptManager(Core::System& system_in) : system(system_in) {
-    gpu_interrupt_event = Core::Timing::CreateEvent("GPUInterrupt", [this](u64 message, s64) {
-        auto nvdrv = system.ServiceManager().GetService<Service::Nvidia::NVDRV>("nvdrv");
-        const u32 syncpt = static_cast<u32>(message >> 32);
-        const u32 value = static_cast<u32>(message);
-        nvdrv->SignalGPUInterruptSyncpt(syncpt, value);
-    });
+    gpu_interrupt_event = Core::Timing::CreateEvent(
+        "GPUInterrupt", [this](std::uintptr_t message, std::chrono::nanoseconds) {
+            auto nvdrv = system.ServiceManager().GetService<Service::Nvidia::NVDRV>("nvdrv");
+            const u32 syncpt = static_cast<u32>(message >> 32);
+            const u32 value = static_cast<u32>(message);
+            nvdrv->SignalGPUInterruptSyncpt(syncpt, value);
+        });
 }
 
 InterruptManager::~InterruptManager() = default;
 
 void InterruptManager::GPUInterruptSyncpt(const u32 syncpoint_id, const u32 value) {
     const u64 msg = (static_cast<u64>(syncpoint_id) << 32ULL) | value;
-    system.CoreTiming().ScheduleEvent(10, gpu_interrupt_event, msg);
+    system.CoreTiming().ScheduleEvent(std::chrono::nanoseconds{10}, gpu_interrupt_event, msg);
 }
 
 } // namespace Core::Hardware
diff --git a/src/core/hle/ipc_helpers.h b/src/core/hle/ipc_helpers.h
index 0dc6a4a43..1b503331f 100644
--- a/src/core/hle/ipc_helpers.h
+++ b/src/core/hle/ipc_helpers.h
@@ -229,6 +229,8 @@ inline void ResponseBuilder::Push(u32 value) {
 
 template <typename T>
 void ResponseBuilder::PushRaw(const T& value) {
+    static_assert(std::is_trivially_copyable_v<T>,
+                  "It's undefined behavior to use memcpy with non-trivially copyable objects");
     std::memcpy(cmdbuf + index, &value, sizeof(T));
     index += (sizeof(T) + 3) / 4; // round up to word length
 }
@@ -384,6 +386,8 @@ inline s32 RequestParser::Pop() {
 
 template <typename T>
 void RequestParser::PopRaw(T& value) {
+    static_assert(std::is_trivially_copyable_v<T>,
+                  "It's undefined behavior to use memcpy with non-trivially copyable objects");
     std::memcpy(&value, cmdbuf + index, sizeof(T));
     index += (sizeof(T) + 3) / 4; // round up to word length
 }
diff --git a/src/core/hle/kernel/address_arbiter.cpp b/src/core/hle/kernel/address_arbiter.cpp
index df0debe1b..b882eaa0f 100644
--- a/src/core/hle/kernel/address_arbiter.cpp
+++ b/src/core/hle/kernel/address_arbiter.cpp
@@ -81,7 +81,7 @@ ResultCode AddressArbiter::IncrementAndSignalToAddressIfEqual(VAddr address, s32
     do {
         current_value = monitor.ExclusiveRead32(current_core, address);
 
-        if (current_value != value) {
+        if (current_value != static_cast<u32>(value)) {
             return ERR_INVALID_STATE;
         }
         current_value++;
diff --git a/src/core/hle/kernel/client_session.cpp b/src/core/hle/kernel/client_session.cpp
index 5ab204b9b..be9eba519 100644
--- a/src/core/hle/kernel/client_session.cpp
+++ b/src/core/hle/kernel/client_session.cpp
@@ -48,14 +48,15 @@ ResultVal<std::shared_ptr<ClientSession>> ClientSession::Create(KernelCore& kern
 }
 
 ResultCode ClientSession::SendSyncRequest(std::shared_ptr<Thread> thread,
-                                          Core::Memory::Memory& memory) {
+                                          Core::Memory::Memory& memory,
+                                          Core::Timing::CoreTiming& core_timing) {
     // Keep ServerSession alive until we're done working with it.
     if (!parent->Server()) {
         return ERR_SESSION_CLOSED_BY_REMOTE;
     }
 
     // Signal the server session that new data is available
-    return parent->Server()->HandleSyncRequest(std::move(thread), memory);
+    return parent->Server()->HandleSyncRequest(std::move(thread), memory, core_timing);
 }
 
 } // namespace Kernel
diff --git a/src/core/hle/kernel/client_session.h b/src/core/hle/kernel/client_session.h
index c5f760d7d..e5e0690c2 100644
--- a/src/core/hle/kernel/client_session.h
+++ b/src/core/hle/kernel/client_session.h
@@ -16,6 +16,10 @@ namespace Core::Memory {
 class Memory;
 }
 
+namespace Core::Timing {
+class CoreTiming;
+}
+
 namespace Kernel {
 
 class KernelCore;
@@ -42,7 +46,8 @@ public:
         return HANDLE_TYPE;
     }
 
-    ResultCode SendSyncRequest(std::shared_ptr<Thread> thread, Core::Memory::Memory& memory);
+    ResultCode SendSyncRequest(std::shared_ptr<Thread> thread, Core::Memory::Memory& memory,
+                               Core::Timing::CoreTiming& core_timing);
 
     bool ShouldWait(const Thread* thread) const override;
 
diff --git a/src/core/hle/kernel/hle_ipc.cpp b/src/core/hle/kernel/hle_ipc.cpp
index 9277b5d08..81f85643b 100644
--- a/src/core/hle/kernel/hle_ipc.cpp
+++ b/src/core/hle/kernel/hle_ipc.cpp
@@ -293,13 +293,15 @@ std::vector<u8> HLERequestContext::ReadBuffer(std::size_t buffer_index) const {
                            BufferDescriptorA()[buffer_index].Size()};
 
     if (is_buffer_a) {
-        ASSERT_OR_EXECUTE_MSG(BufferDescriptorA().size() > buffer_index, { return buffer; },
-                              "BufferDescriptorA invalid buffer_index {}", buffer_index);
+        ASSERT_OR_EXECUTE_MSG(
+            BufferDescriptorA().size() > buffer_index, { return buffer; },
+            "BufferDescriptorA invalid buffer_index {}", buffer_index);
         buffer.resize(BufferDescriptorA()[buffer_index].Size());
         memory.ReadBlock(BufferDescriptorA()[buffer_index].Address(), buffer.data(), buffer.size());
     } else {
-        ASSERT_OR_EXECUTE_MSG(BufferDescriptorX().size() > buffer_index, { return buffer; },
-                              "BufferDescriptorX invalid buffer_index {}", buffer_index);
+        ASSERT_OR_EXECUTE_MSG(
+            BufferDescriptorX().size() > buffer_index, { return buffer; },
+            "BufferDescriptorX invalid buffer_index {}", buffer_index);
         buffer.resize(BufferDescriptorX()[buffer_index].Size());
         memory.ReadBlock(BufferDescriptorX()[buffer_index].Address(), buffer.data(), buffer.size());
     }
@@ -324,16 +326,16 @@ std::size_t HLERequestContext::WriteBuffer(const void* buffer, std::size_t size,
     }
 
     if (is_buffer_b) {
-        ASSERT_OR_EXECUTE_MSG(BufferDescriptorB().size() > buffer_index &&
-                                  BufferDescriptorB()[buffer_index].Size() >= size,
-                              { return 0; }, "BufferDescriptorB is invalid, index={}, size={}",
-                              buffer_index, size);
+        ASSERT_OR_EXECUTE_MSG(
+            BufferDescriptorB().size() > buffer_index &&
+                BufferDescriptorB()[buffer_index].Size() >= size,
+            { return 0; }, "BufferDescriptorB is invalid, index={}, size={}", buffer_index, size);
         memory.WriteBlock(BufferDescriptorB()[buffer_index].Address(), buffer, size);
     } else {
-        ASSERT_OR_EXECUTE_MSG(BufferDescriptorC().size() > buffer_index &&
-                                  BufferDescriptorC()[buffer_index].Size() >= size,
-                              { return 0; }, "BufferDescriptorC is invalid, index={}, size={}",
-                              buffer_index, size);
+        ASSERT_OR_EXECUTE_MSG(
+            BufferDescriptorC().size() > buffer_index &&
+                BufferDescriptorC()[buffer_index].Size() >= size,
+            { return 0; }, "BufferDescriptorC is invalid, index={}, size={}", buffer_index, size);
         memory.WriteBlock(BufferDescriptorC()[buffer_index].Address(), buffer, size);
     }
 
@@ -344,12 +346,14 @@ std::size_t HLERequestContext::GetReadBufferSize(std::size_t buffer_index) const
     const bool is_buffer_a{BufferDescriptorA().size() > buffer_index &&
                            BufferDescriptorA()[buffer_index].Size()};
     if (is_buffer_a) {
-        ASSERT_OR_EXECUTE_MSG(BufferDescriptorA().size() > buffer_index, { return 0; },
-                              "BufferDescriptorA invalid buffer_index {}", buffer_index);
+        ASSERT_OR_EXECUTE_MSG(
+            BufferDescriptorA().size() > buffer_index, { return 0; },
+            "BufferDescriptorA invalid buffer_index {}", buffer_index);
         return BufferDescriptorA()[buffer_index].Size();
     } else {
-        ASSERT_OR_EXECUTE_MSG(BufferDescriptorX().size() > buffer_index, { return 0; },
-                              "BufferDescriptorX invalid buffer_index {}", buffer_index);
+        ASSERT_OR_EXECUTE_MSG(
+            BufferDescriptorX().size() > buffer_index, { return 0; },
+            "BufferDescriptorX invalid buffer_index {}", buffer_index);
         return BufferDescriptorX()[buffer_index].Size();
     }
 }
@@ -358,12 +362,14 @@ std::size_t HLERequestContext::GetWriteBufferSize(std::size_t buffer_index) cons
     const bool is_buffer_b{BufferDescriptorB().size() > buffer_index &&
                            BufferDescriptorB()[buffer_index].Size()};
     if (is_buffer_b) {
-        ASSERT_OR_EXECUTE_MSG(BufferDescriptorB().size() > buffer_index, { return 0; },
-                              "BufferDescriptorB invalid buffer_index {}", buffer_index);
+        ASSERT_OR_EXECUTE_MSG(
+            BufferDescriptorB().size() > buffer_index, { return 0; },
+            "BufferDescriptorB invalid buffer_index {}", buffer_index);
         return BufferDescriptorB()[buffer_index].Size();
     } else {
-        ASSERT_OR_EXECUTE_MSG(BufferDescriptorC().size() > buffer_index, { return 0; },
-                              "BufferDescriptorC invalid buffer_index {}", buffer_index);
+        ASSERT_OR_EXECUTE_MSG(
+            BufferDescriptorC().size() > buffer_index, { return 0; },
+            "BufferDescriptorC invalid buffer_index {}", buffer_index);
         return BufferDescriptorC()[buffer_index].Size();
     }
     return 0;
diff --git a/src/core/hle/kernel/hle_ipc.h b/src/core/hle/kernel/hle_ipc.h
index b31673928..f3277b766 100644
--- a/src/core/hle/kernel/hle_ipc.h
+++ b/src/core/hle/kernel/hle_ipc.h
@@ -13,6 +13,7 @@
 #include <vector>
 #include <boost/container/small_vector.hpp>
 #include "common/common_types.h"
+#include "common/concepts.h"
 #include "common/swap.h"
 #include "core/hle/ipc.h"
 #include "core/hle/kernel/object.h"
@@ -193,23 +194,24 @@ public:
 
     /* Helper function to write a buffer using the appropriate buffer descriptor
      *
-     * @tparam ContiguousContainer an arbitrary container that satisfies the
-     *         ContiguousContainer concept in the C++ standard library.
+     * @tparam T an arbitrary container that satisfies the
+     *         ContiguousContainer concept in the C++ standard library or a trivially copyable type.
      *
-     * @param container    The container to write the data of into a buffer.
+     * @param data         The container/data to write into a buffer.
      * @param buffer_index The buffer in particular to write to.
      */
-    template <typename ContiguousContainer,
-              typename = std::enable_if_t<!std::is_pointer_v<ContiguousContainer>>>
-    std::size_t WriteBuffer(const ContiguousContainer& container,
-                            std::size_t buffer_index = 0) const {
-        using ContiguousType = typename ContiguousContainer::value_type;
-
-        static_assert(std::is_trivially_copyable_v<ContiguousType>,
-                      "Container to WriteBuffer must contain trivially copyable objects");
-
-        return WriteBuffer(std::data(container), std::size(container) * sizeof(ContiguousType),
-                           buffer_index);
+    template <typename T, typename = std::enable_if_t<!std::is_pointer_v<T>>>
+    std::size_t WriteBuffer(const T& data, std::size_t buffer_index = 0) const {
+        if constexpr (Common::IsSTLContainer<T>) {
+            using ContiguousType = typename T::value_type;
+            static_assert(std::is_trivially_copyable_v<ContiguousType>,
+                          "Container to WriteBuffer must contain trivially copyable objects");
+            return WriteBuffer(std::data(data), std::size(data) * sizeof(ContiguousType),
+                               buffer_index);
+        } else {
+            static_assert(std::is_trivially_copyable_v<T>, "T must be trivially copyable");
+            return WriteBuffer(&data, sizeof(T), buffer_index);
+        }
     }
 
     /// Helper function to get the size of the input buffer
diff --git a/src/core/hle/kernel/kernel.cpp b/src/core/hle/kernel/kernel.cpp
index e1c7a0f3b..f2b0fe2fd 100644
--- a/src/core/hle/kernel/kernel.cpp
+++ b/src/core/hle/kernel/kernel.cpp
@@ -145,16 +145,18 @@ struct KernelCore::Impl {
 
     void InitializePreemption(KernelCore& kernel) {
         preemption_event = Core::Timing::CreateEvent(
-            "PreemptionCallback", [this, &kernel](u64 userdata, s64 cycles_late) {
+            "PreemptionCallback", [this, &kernel](std::uintptr_t, std::chrono::nanoseconds) {
                 {
                     SchedulerLock lock(kernel);
                     global_scheduler.PreemptThreads();
                 }
-                s64 time_interval = Core::Timing::msToCycles(std::chrono::milliseconds(10));
+                const auto time_interval = std::chrono::nanoseconds{
+                    Core::Timing::msToCycles(std::chrono::milliseconds(10))};
                 system.CoreTiming().ScheduleEvent(time_interval, preemption_event);
             });
 
-        s64 time_interval = Core::Timing::msToCycles(std::chrono::milliseconds(10));
+        const auto time_interval =
+            std::chrono::nanoseconds{Core::Timing::msToCycles(std::chrono::milliseconds(10))};
         system.CoreTiming().ScheduleEvent(time_interval, preemption_event);
     }
 
@@ -217,6 +219,7 @@ struct KernelCore::Impl {
                 return static_cast<u32>(system.GetCpuManager().CurrentCore());
             }
         }
+        std::unique_lock lock{register_thread_mutex};
         const auto it = host_thread_ids.find(this_id);
         if (it == host_thread_ids.end()) {
             return Core::INVALID_HOST_THREAD_ID;
@@ -322,7 +325,7 @@ struct KernelCore::Impl {
     std::unordered_map<std::thread::id, u32> host_thread_ids;
     u32 registered_thread_ids{Core::Hardware::NUM_CPU_CORES};
     std::bitset<Core::Hardware::NUM_CPU_CORES> registered_core_threads;
-    std::mutex register_thread_mutex;
+    mutable std::mutex register_thread_mutex;
 
     // Kernel memory management
     std::unique_ptr<Memory::MemoryManager> memory_manager;
diff --git a/src/core/hle/kernel/memory/page_table.cpp b/src/core/hle/kernel/memory/page_table.cpp
index 5d6aac00f..a3fadb533 100644
--- a/src/core/hle/kernel/memory/page_table.cpp
+++ b/src/core/hle/kernel/memory/page_table.cpp
@@ -604,7 +604,6 @@ ResultCode PageTable::MapPages(VAddr addr, const PageLinkedList& page_linked_lis
         if (const auto result{
                 Operate(cur_addr, node.GetNumPages(), perm, OperationType::Map, node.GetAddress())};
             result.IsError()) {
-            const MemoryInfo info{block_manager->FindBlock(cur_addr).GetMemoryInfo()};
             const std::size_t num_pages{(addr - cur_addr) / PageSize};
 
             ASSERT(
@@ -852,11 +851,12 @@ ResultCode PageTable::LockForDeviceAddressSpace(VAddr addr, std::size_t size) {
         return result;
     }
 
-    block_manager->UpdateLock(addr, size / PageSize,
-                              [](MemoryBlockManager::iterator block, MemoryPermission perm) {
-                                  block->ShareToDevice(perm);
-                              },
-                              perm);
+    block_manager->UpdateLock(
+        addr, size / PageSize,
+        [](MemoryBlockManager::iterator block, MemoryPermission perm) {
+            block->ShareToDevice(perm);
+        },
+        perm);
 
     return RESULT_SUCCESS;
 }
@@ -874,11 +874,12 @@ ResultCode PageTable::UnlockForDeviceAddressSpace(VAddr addr, std::size_t size)
         return result;
     }
 
-    block_manager->UpdateLock(addr, size / PageSize,
-                              [](MemoryBlockManager::iterator block, MemoryPermission perm) {
-                                  block->UnshareToDevice(perm);
-                              },
-                              perm);
+    block_manager->UpdateLock(
+        addr, size / PageSize,
+        [](MemoryBlockManager::iterator block, MemoryPermission perm) {
+            block->UnshareToDevice(perm);
+        },
+        perm);
 
     return RESULT_SUCCESS;
 }
diff --git a/src/core/hle/kernel/memory/system_control.cpp b/src/core/hle/kernel/memory/system_control.cpp
index 2f98e9c4c..11d204bc2 100644
--- a/src/core/hle/kernel/memory/system_control.cpp
+++ b/src/core/hle/kernel/memory/system_control.cpp
@@ -7,22 +7,15 @@
 #include "core/hle/kernel/memory/system_control.h"
 
 namespace Kernel::Memory::SystemControl {
-
-u64 GenerateRandomU64ForInit() {
-    static std::random_device device;
-    static std::mt19937 gen(device());
-    static std::uniform_int_distribution<u64> distribution(1, std::numeric_limits<u64>::max());
-    return distribution(gen);
-}
-
+namespace {
 template <typename F>
 u64 GenerateUniformRange(u64 min, u64 max, F f) {
-    /* Handle the case where the difference is too large to represent. */
+    // Handle the case where the difference is too large to represent.
     if (max == std::numeric_limits<u64>::max() && min == std::numeric_limits<u64>::min()) {
         return f();
     }
 
-    /* Iterate until we get a value in range. */
+    // Iterate until we get a value in range.
     const u64 range_size = ((max + 1) - min);
     const u64 effective_max = (std::numeric_limits<u64>::max() / range_size) * range_size;
     while (true) {
@@ -32,6 +25,14 @@ u64 GenerateUniformRange(u64 min, u64 max, F f) {
     }
 }
 
+u64 GenerateRandomU64ForInit() {
+    static std::random_device device;
+    static std::mt19937 gen(device());
+    static std::uniform_int_distribution<u64> distribution(1, std::numeric_limits<u64>::max());
+    return distribution(gen);
+}
+} // Anonymous namespace
+
 u64 GenerateRandomRange(u64 min, u64 max) {
     return GenerateUniformRange(min, max, GenerateRandomU64ForInit);
 }
diff --git a/src/core/hle/kernel/memory/system_control.h b/src/core/hle/kernel/memory/system_control.h
index 3fa93111d..19cab8cbc 100644
--- a/src/core/hle/kernel/memory/system_control.h
+++ b/src/core/hle/kernel/memory/system_control.h
@@ -8,11 +8,6 @@
 
 namespace Kernel::Memory::SystemControl {
 
-u64 GenerateRandomU64ForInit();
-
-template <typename F>
-u64 GenerateUniformRange(u64 min, u64 max, F f);
-
 u64 GenerateRandomRange(u64 min, u64 max);
 
 } // namespace Kernel::Memory::SystemControl
diff --git a/src/core/hle/kernel/scheduler.cpp b/src/core/hle/kernel/scheduler.cpp
index f93e5e4b0..5cbd3b912 100644
--- a/src/core/hle/kernel/scheduler.cpp
+++ b/src/core/hle/kernel/scheduler.cpp
@@ -131,7 +131,8 @@ u32 GlobalScheduler::SelectThreads() {
     u32 cores_needing_context_switch{};
     for (u32 core = 0; core < Core::Hardware::NUM_CPU_CORES; core++) {
         Scheduler& sched = kernel.Scheduler(core);
-        ASSERT(top_threads[core] == nullptr || top_threads[core]->GetProcessorID() == core);
+        ASSERT(top_threads[core] == nullptr ||
+               static_cast<u32>(top_threads[core]->GetProcessorID()) == core);
         if (update_thread(top_threads[core], sched)) {
             cores_needing_context_switch |= (1ul << core);
         }
@@ -663,32 +664,26 @@ void Scheduler::Reload() {
 }
 
 void Scheduler::SwitchContextStep2() {
-    Thread* previous_thread = current_thread_prev.get();
-    Thread* new_thread = selected_thread.get();
-
     // Load context of new thread
-    Process* const previous_process =
-        previous_thread != nullptr ? previous_thread->GetOwnerProcess() : nullptr;
-
-    if (new_thread) {
-        ASSERT_MSG(new_thread->GetSchedulingStatus() == ThreadSchedStatus::Runnable,
+    if (selected_thread) {
+        ASSERT_MSG(selected_thread->GetSchedulingStatus() == ThreadSchedStatus::Runnable,
                    "Thread must be runnable.");
 
         // Cancel any outstanding wakeup events for this thread
-        new_thread->SetIsRunning(true);
-        new_thread->last_running_ticks = system.CoreTiming().GetCPUTicks();
-        new_thread->SetWasRunning(false);
+        selected_thread->SetIsRunning(true);
+        selected_thread->last_running_ticks = system.CoreTiming().GetCPUTicks();
+        selected_thread->SetWasRunning(false);
 
         auto* const thread_owner_process = current_thread->GetOwnerProcess();
         if (thread_owner_process != nullptr) {
             system.Kernel().MakeCurrentProcess(thread_owner_process);
         }
-        if (!new_thread->IsHLEThread()) {
-            Core::ARM_Interface& cpu_core = new_thread->ArmInterface();
-            cpu_core.LoadContext(new_thread->GetContext32());
-            cpu_core.LoadContext(new_thread->GetContext64());
-            cpu_core.SetTlsAddress(new_thread->GetTLSAddress());
-            cpu_core.SetTPIDR_EL0(new_thread->GetTPIDR_EL0());
+        if (!selected_thread->IsHLEThread()) {
+            Core::ARM_Interface& cpu_core = selected_thread->ArmInterface();
+            cpu_core.LoadContext(selected_thread->GetContext32());
+            cpu_core.LoadContext(selected_thread->GetContext64());
+            cpu_core.SetTlsAddress(selected_thread->GetTLSAddress());
+            cpu_core.SetTPIDR_EL0(selected_thread->GetTPIDR_EL0());
             cpu_core.ChangeProcessorID(this->core_id);
             cpu_core.ClearExclusiveState();
         }
@@ -761,7 +756,11 @@ void Scheduler::SwitchToCurrent() {
             current_thread = selected_thread;
             is_context_switch_pending = false;
         }
-        while (!is_context_switch_pending) {
+        const auto is_switch_pending = [this] {
+            std::scoped_lock lock{guard};
+            return is_context_switch_pending;
+        };
+        do {
             if (current_thread != nullptr && !current_thread->IsHLEThread()) {
                 current_thread->context_guard.lock();
                 if (!current_thread->IsRunnable()) {
@@ -780,7 +779,7 @@ void Scheduler::SwitchToCurrent() {
                 next_context = &idle_thread->GetHostContext();
             }
             Common::Fiber::YieldTo(switch_fiber, *next_context);
-        }
+        } while (!is_switch_pending());
     }
 }
 
diff --git a/src/core/hle/kernel/scheduler.h b/src/core/hle/kernel/scheduler.h
index b3b4b5169..b6f04dcea 100644
--- a/src/core/hle/kernel/scheduler.h
+++ b/src/core/hle/kernel/scheduler.h
@@ -188,7 +188,7 @@ private:
 
     /// Scheduler lock mechanisms.
     bool is_locked{};
-    Common::SpinLock inner_lock{};
+    std::mutex inner_lock;
     std::atomic<s64> scope_lock{};
     Core::EmuThreadHandle current_owner{Core::EmuThreadHandle::InvalidHandle()};
 
@@ -289,7 +289,7 @@ private:
 
 class SchedulerLock {
 public:
-    explicit SchedulerLock(KernelCore& kernel);
+    [[nodiscard]] explicit SchedulerLock(KernelCore& kernel);
     ~SchedulerLock();
 
 protected:
diff --git a/src/core/hle/kernel/server_session.cpp b/src/core/hle/kernel/server_session.cpp
index 7b23a6889..8c19f2534 100644
--- a/src/core/hle/kernel/server_session.cpp
+++ b/src/core/hle/kernel/server_session.cpp
@@ -8,7 +8,6 @@
 #include "common/assert.h"
 #include "common/common_types.h"
 #include "common/logging/log.h"
-#include "core/core.h"
 #include "core/core_timing.h"
 #include "core/hle/ipc_helpers.h"
 #include "core/hle/kernel/client_port.h"
@@ -33,8 +32,10 @@ ResultVal<std::shared_ptr<ServerSession>> ServerSession::Create(KernelCore& kern
                                                                 std::string name) {
     std::shared_ptr<ServerSession> session{std::make_shared<ServerSession>(kernel)};
 
-    session->request_event = Core::Timing::CreateEvent(
-        name, [session](u64 userdata, s64 cycles_late) { session->CompleteSyncRequest(); });
+    session->request_event =
+        Core::Timing::CreateEvent(name, [session](std::uintptr_t, std::chrono::nanoseconds) {
+            session->CompleteSyncRequest();
+        });
     session->name = std::move(name);
     session->parent = std::move(parent);
 
@@ -183,10 +184,11 @@ ResultCode ServerSession::CompleteSyncRequest() {
 }
 
 ResultCode ServerSession::HandleSyncRequest(std::shared_ptr<Thread> thread,
-                                            Core::Memory::Memory& memory) {
-    ResultCode result = QueueSyncRequest(std::move(thread), memory);
-    const u64 delay = kernel.IsMulticore() ? 0U : 20000U;
-    Core::System::GetInstance().CoreTiming().ScheduleEvent(delay, request_event, {});
+                                            Core::Memory::Memory& memory,
+                                            Core::Timing::CoreTiming& core_timing) {
+    const ResultCode result = QueueSyncRequest(std::move(thread), memory);
+    const auto delay = std::chrono::nanoseconds{kernel.IsMulticore() ? 0 : 20000};
+    core_timing.ScheduleEvent(delay, request_event, {});
     return result;
 }
 
diff --git a/src/core/hle/kernel/server_session.h b/src/core/hle/kernel/server_session.h
index 403aaf10b..d23e9ec68 100644
--- a/src/core/hle/kernel/server_session.h
+++ b/src/core/hle/kernel/server_session.h
@@ -18,8 +18,9 @@ class Memory;
 }
 
 namespace Core::Timing {
+class CoreTiming;
 struct EventType;
-}
+} // namespace Core::Timing
 
 namespace Kernel {
 
@@ -87,12 +88,14 @@ public:
     /**
      * Handle a sync request from the emulated application.
      *
-     * @param thread Thread that initiated the request.
-     * @param memory Memory context to handle the sync request under.
+     * @param thread      Thread that initiated the request.
+     * @param memory      Memory context to handle the sync request under.
+     * @param core_timing Core timing context to schedule the request event under.
      *
      * @returns ResultCode from the operation.
      */
-    ResultCode HandleSyncRequest(std::shared_ptr<Thread> thread, Core::Memory::Memory& memory);
+    ResultCode HandleSyncRequest(std::shared_ptr<Thread> thread, Core::Memory::Memory& memory,
+                                 Core::Timing::CoreTiming& core_timing);
 
     bool ShouldWait(const Thread* thread) const override;
 
diff --git a/src/core/hle/kernel/svc.cpp b/src/core/hle/kernel/svc.cpp
index 01ae57053..bafd1ced7 100644
--- a/src/core/hle/kernel/svc.cpp
+++ b/src/core/hle/kernel/svc.cpp
@@ -346,7 +346,7 @@ static ResultCode SendSyncRequest(Core::System& system, Handle handle) {
         SchedulerLock lock(system.Kernel());
         thread->InvalidateHLECallback();
         thread->SetStatus(ThreadStatus::WaitIPC);
-        session->SendSyncRequest(SharedFrom(thread), system.Memory());
+        session->SendSyncRequest(SharedFrom(thread), system.Memory(), system.CoreTiming());
     }
 
     if (thread->HasHLECallback()) {
diff --git a/src/core/hle/kernel/time_manager.cpp b/src/core/hle/kernel/time_manager.cpp
index 941305e8e..95f2446c9 100644
--- a/src/core/hle/kernel/time_manager.cpp
+++ b/src/core/hle/kernel/time_manager.cpp
@@ -16,14 +16,14 @@ namespace Kernel {
 
 TimeManager::TimeManager(Core::System& system_) : system{system_} {
     time_manager_event_type = Core::Timing::CreateEvent(
-        "Kernel::TimeManagerCallback", [this](u64 thread_handle, [[maybe_unused]] s64 cycles_late) {
-            SchedulerLock lock(system.Kernel());
-            Handle proper_handle = static_cast<Handle>(thread_handle);
+        "Kernel::TimeManagerCallback",
+        [this](std::uintptr_t thread_handle, std::chrono::nanoseconds) {
+            const SchedulerLock lock(system.Kernel());
+            const auto proper_handle = static_cast<Handle>(thread_handle);
             if (cancelled_events[proper_handle]) {
                 return;
             }
-            std::shared_ptr<Thread> thread =
-                this->system.Kernel().RetrieveThreadFromGlobalHandleTable(proper_handle);
+            auto thread = this->system.Kernel().RetrieveThreadFromGlobalHandleTable(proper_handle);
             thread->OnWakeUp();
         });
 }
@@ -34,7 +34,8 @@ void TimeManager::ScheduleTimeEvent(Handle& event_handle, Thread* timetask, s64
         ASSERT(timetask);
         ASSERT(timetask->GetStatus() != ThreadStatus::Ready);
         ASSERT(timetask->GetStatus() != ThreadStatus::WaitMutex);
-        system.CoreTiming().ScheduleEvent(nanoseconds, time_manager_event_type, event_handle);
+        system.CoreTiming().ScheduleEvent(std::chrono::nanoseconds{nanoseconds},
+                                          time_manager_event_type, event_handle);
     } else {
         event_handle = InvalidHandle;
     }
diff --git a/src/core/hle/result.h b/src/core/hle/result.h
index 450f61fea..b6bdbd988 100644
--- a/src/core/hle/result.h
+++ b/src/core/hle/result.h
@@ -342,8 +342,9 @@ ResultVal<std::remove_reference_t<Arg>> MakeResult(Arg&& arg) {
  */
 #define CASCADE_RESULT(target, source)                                                             \
     auto CONCAT2(check_result_L, __LINE__) = source;                                               \
-    if (CONCAT2(check_result_L, __LINE__).Failed())                                                \
+    if (CONCAT2(check_result_L, __LINE__).Failed()) {                                              \
         return CONCAT2(check_result_L, __LINE__).Code();                                           \
+    }                                                                                              \
     target = std::move(*CONCAT2(check_result_L, __LINE__))
 
 /**
@@ -351,6 +352,9 @@ ResultVal<std::remove_reference_t<Arg>> MakeResult(Arg&& arg) {
  * non-success, or discarded otherwise.
  */
 #define CASCADE_CODE(source)                                                                       \
-    auto CONCAT2(check_result_L, __LINE__) = source;                                               \
-    if (CONCAT2(check_result_L, __LINE__).IsError())                                               \
-        return CONCAT2(check_result_L, __LINE__);
+    do {                                                                                           \
+        auto CONCAT2(check_result_L, __LINE__) = source;                                           \
+        if (CONCAT2(check_result_L, __LINE__).IsError()) {                                         \
+            return CONCAT2(check_result_L, __LINE__);                                              \
+        }                                                                                          \
+    } while (false)
diff --git a/src/core/hle/service/acc/acc.cpp b/src/core/hle/service/acc/acc.cpp
index 8ac856ec3..6b1613510 100644
--- a/src/core/hle/service/acc/acc.cpp
+++ b/src/core/hle/service/acc/acc.cpp
@@ -35,7 +35,7 @@ constexpr ResultCode ERR_INVALID_BUFFER_SIZE{ErrorModule::Account, 30};
 constexpr ResultCode ERR_FAILED_SAVE_DATA{ErrorModule::Account, 100};
 
 static std::string GetImagePath(Common::UUID uuid) {
-    return FileUtil::GetUserPath(FileUtil::UserPath::NANDDir) +
+    return Common::FS::GetUserPath(Common::FS::UserPath::NANDDir) +
            "/system/save/8000000000000010/su/avators/" + uuid.FormatSwitch() + ".jpg";
 }
 
@@ -286,9 +286,7 @@ protected:
         ProfileBase profile_base{};
         ProfileData data{};
         if (profile_manager.GetProfileBaseAndData(user_id, profile_base, data)) {
-            std::array<u8, sizeof(ProfileData)> raw_data;
-            std::memcpy(raw_data.data(), &data, sizeof(ProfileData));
-            ctx.WriteBuffer(raw_data);
+            ctx.WriteBuffer(data);
             IPC::ResponseBuilder rb{ctx, 16};
             rb.Push(RESULT_SUCCESS);
             rb.PushRaw(profile_base);
@@ -320,7 +318,7 @@ protected:
         IPC::ResponseBuilder rb{ctx, 3};
         rb.Push(RESULT_SUCCESS);
 
-        const FileUtil::IOFile image(GetImagePath(user_id), "rb");
+        const Common::FS::IOFile image(GetImagePath(user_id), "rb");
         if (!image.IsOpen()) {
             LOG_WARNING(Service_ACC,
                         "Failed to load user provided image! Falling back to built-in backup...");
@@ -333,7 +331,7 @@ protected:
         std::vector<u8> buffer(size);
         image.ReadBytes(buffer.data(), buffer.size());
 
-        ctx.WriteBuffer(buffer.data(), buffer.size());
+        ctx.WriteBuffer(buffer);
         rb.Push<u32>(size);
     }
 
@@ -342,7 +340,7 @@ protected:
         IPC::ResponseBuilder rb{ctx, 3};
         rb.Push(RESULT_SUCCESS);
 
-        const FileUtil::IOFile image(GetImagePath(user_id), "rb");
+        const Common::FS::IOFile image(GetImagePath(user_id), "rb");
 
         if (!image.IsOpen()) {
             LOG_WARNING(Service_ACC,
@@ -407,7 +405,7 @@ protected:
         ProfileData data;
         std::memcpy(&data, user_data.data(), sizeof(ProfileData));
 
-        FileUtil::IOFile image(GetImagePath(user_id), "wb");
+        Common::FS::IOFile image(GetImagePath(user_id), "wb");
 
         if (!image.IsOpen() || !image.Resize(image_data.size()) ||
             image.WriteBytes(image_data.data(), image_data.size()) != image_data.size() ||
@@ -776,6 +774,17 @@ void Module::Interface::ListQualifiedUsers(Kernel::HLERequestContext& ctx) {
     rb.Push(RESULT_SUCCESS);
 }
 
+void Module::Interface::LoadOpenContext(Kernel::HLERequestContext& ctx) {
+    LOG_WARNING(Service_ACC, "(STUBBED) called");
+
+    // This is similar to GetBaasAccountManagerForApplication
+    // This command is used concurrently with ListOpenContextStoredUsers
+    // TODO: Find the differences between this and GetBaasAccountManagerForApplication
+    IPC::ResponseBuilder rb{ctx, 2, 0, 1};
+    rb.Push(RESULT_SUCCESS);
+    rb.PushIpcInterface<IManagerForApplication>(profile_manager->GetLastOpenedUser());
+}
+
 void Module::Interface::ListOpenContextStoredUsers(Kernel::HLERequestContext& ctx) {
     LOG_WARNING(Service_ACC, "(STUBBED) called");
 
diff --git a/src/core/hle/service/acc/acc.h b/src/core/hle/service/acc/acc.h
index d4c6395c6..c611efd89 100644
--- a/src/core/hle/service/acc/acc.h
+++ b/src/core/hle/service/acc/acc.h
@@ -34,6 +34,7 @@ public:
         void IsUserAccountSwitchLocked(Kernel::HLERequestContext& ctx);
         void GetProfileEditor(Kernel::HLERequestContext& ctx);
         void ListQualifiedUsers(Kernel::HLERequestContext& ctx);
+        void LoadOpenContext(Kernel::HLERequestContext& ctx);
         void ListOpenContextStoredUsers(Kernel::HLERequestContext& ctx);
 
     private:
diff --git a/src/core/hle/service/acc/acc_u0.cpp b/src/core/hle/service/acc/acc_u0.cpp
index cb44e06b7..75a24f8f5 100644
--- a/src/core/hle/service/acc/acc_u0.cpp
+++ b/src/core/hle/service/acc/acc_u0.cpp
@@ -29,7 +29,7 @@ ACC_U0::ACC_U0(std::shared_ptr<Module> module, std::shared_ptr<ProfileManager> p
         {110, nullptr, "StoreSaveDataThumbnail"},
         {111, nullptr, "ClearSaveDataThumbnail"},
         {120, nullptr, "CreateGuestLoginRequest"},
-        {130, nullptr, "LoadOpenContext"}, // 5.0.0+
+        {130, &ACC_U0::LoadOpenContext, "LoadOpenContext"}, // 5.0.0+
         {131, &ACC_U0::ListOpenContextStoredUsers, "ListOpenContextStoredUsers"}, // 6.0.0+
         {140, &ACC_U0::InitializeApplicationInfoRestricted, "InitializeApplicationInfoRestricted"}, // 6.0.0+
         {141, &ACC_U0::ListQualifiedUsers, "ListQualifiedUsers"}, // 6.0.0+
diff --git a/src/core/hle/service/acc/profile_manager.cpp b/src/core/hle/service/acc/profile_manager.cpp
index eb8c81645..9b829e957 100644
--- a/src/core/hle/service/acc/profile_manager.cpp
+++ b/src/core/hle/service/acc/profile_manager.cpp
@@ -13,6 +13,7 @@
 
 namespace Service::Account {
 
+namespace FS = Common::FS;
 using Common::UUID;
 
 struct UserRaw {
@@ -58,7 +59,7 @@ ProfileManager::~ProfileManager() {
 /// internal management of the users profiles
 std::optional<std::size_t> ProfileManager::AddToProfiles(const ProfileInfo& profile) {
     if (user_count >= MAX_USERS) {
-        return {};
+        return std::nullopt;
     }
     profiles[user_count] = profile;
     return user_count++;
@@ -101,13 +102,14 @@ ResultCode ProfileManager::CreateNewUser(UUID uuid, const ProfileUsername& usern
                     [&uuid](const ProfileInfo& profile) { return uuid == profile.user_uuid; })) {
         return ERROR_USER_ALREADY_EXISTS;
     }
-    ProfileInfo profile;
-    profile.user_uuid = uuid;
-    profile.username = username;
-    profile.data = {};
-    profile.creation_time = 0x0;
-    profile.is_open = false;
-    return AddUser(profile);
+
+    return AddUser({
+        .user_uuid = uuid,
+        .username = username,
+        .creation_time = 0,
+        .data = {},
+        .is_open = false,
+    });
 }
 
 /// Creates a new user on the system. This function allows a much simpler method of registration
@@ -126,7 +128,7 @@ ResultCode ProfileManager::CreateNewUser(UUID uuid, const std::string& username)
 
 std::optional<UUID> ProfileManager::GetUser(std::size_t index) const {
     if (index >= MAX_USERS) {
-        return {};
+        return std::nullopt;
     }
 
     return profiles[index].user_uuid;
@@ -135,13 +137,13 @@ std::optional<UUID> ProfileManager::GetUser(std::size_t index) const {
 /// Returns a users profile index based on their user id.
 std::optional<std::size_t> ProfileManager::GetUserIndex(const UUID& uuid) const {
     if (!uuid) {
-        return {};
+        return std::nullopt;
     }
 
     const auto iter = std::find_if(profiles.begin(), profiles.end(),
                                    [&uuid](const ProfileInfo& p) { return p.user_uuid == uuid; });
     if (iter == profiles.end()) {
-        return {};
+        return std::nullopt;
     }
 
     return static_cast<std::size_t>(std::distance(profiles.begin(), iter));
@@ -317,9 +319,8 @@ bool ProfileManager::SetProfileBaseAndData(Common::UUID uuid, const ProfileBase&
 }
 
 void ProfileManager::ParseUserSaveFile() {
-    FileUtil::IOFile save(FileUtil::GetUserPath(FileUtil::UserPath::NANDDir) +
-                              ACC_SAVE_AVATORS_BASE_PATH + "profiles.dat",
-                          "rb");
+    const FS::IOFile save(
+        FS::GetUserPath(FS::UserPath::NANDDir) + ACC_SAVE_AVATORS_BASE_PATH + "profiles.dat", "rb");
 
     if (!save.IsOpen()) {
         LOG_WARNING(Service_ACC, "Failed to load profile data from save data... Generating new "
@@ -339,7 +340,13 @@ void ProfileManager::ParseUserSaveFile() {
             continue;
         }
 
-        AddUser({user.uuid, user.username, user.timestamp, user.extra_data, false});
+        AddUser({
+            .user_uuid = user.uuid,
+            .username = user.username,
+            .creation_time = user.timestamp,
+            .data = user.extra_data,
+            .is_open = false,
+        });
     }
 
     std::stable_partition(profiles.begin(), profiles.end(),
@@ -350,29 +357,31 @@ void ProfileManager::WriteUserSaveFile() {
     ProfileDataRaw raw{};
 
     for (std::size_t i = 0; i < MAX_USERS; ++i) {
-        raw.users[i].username = profiles[i].username;
-        raw.users[i].uuid2 = profiles[i].user_uuid;
-        raw.users[i].uuid = profiles[i].user_uuid;
-        raw.users[i].timestamp = profiles[i].creation_time;
-        raw.users[i].extra_data = profiles[i].data;
+        raw.users[i] = {
+            .uuid = profiles[i].user_uuid,
+            .uuid2 = profiles[i].user_uuid,
+            .timestamp = profiles[i].creation_time,
+            .username = profiles[i].username,
+            .extra_data = profiles[i].data,
+        };
     }
 
-    const auto raw_path =
-        FileUtil::GetUserPath(FileUtil::UserPath::NANDDir) + "/system/save/8000000000000010";
-    if (FileUtil::Exists(raw_path) && !FileUtil::IsDirectory(raw_path))
-        FileUtil::Delete(raw_path);
+    const auto raw_path = FS::GetUserPath(FS::UserPath::NANDDir) + "/system/save/8000000000000010";
+    if (FS::Exists(raw_path) && !FS::IsDirectory(raw_path)) {
+        FS::Delete(raw_path);
+    }
 
-    const auto path = FileUtil::GetUserPath(FileUtil::UserPath::NANDDir) +
-                      ACC_SAVE_AVATORS_BASE_PATH + "profiles.dat";
+    const auto path =
+        FS::GetUserPath(FS::UserPath::NANDDir) + ACC_SAVE_AVATORS_BASE_PATH + "profiles.dat";
 
-    if (!FileUtil::CreateFullPath(path)) {
+    if (!FS::CreateFullPath(path)) {
         LOG_WARNING(Service_ACC, "Failed to create full path of profiles.dat. Create the directory "
                                  "nand/system/save/8000000000000010/su/avators to mitigate this "
                                  "issue.");
         return;
     }
 
-    FileUtil::IOFile save(path, "wb");
+    FS::IOFile save(path, "wb");
 
     if (!save.IsOpen()) {
         LOG_WARNING(Service_ACC, "Failed to write save data to file... No changes to user data "
diff --git a/src/core/hle/service/am/am.cpp b/src/core/hle/service/am/am.cpp
index 4e7a0bec9..d7a81f64a 100644
--- a/src/core/hle/service/am/am.cpp
+++ b/src/core/hle/service/am/am.cpp
@@ -378,7 +378,11 @@ void ISelfController::GetLibraryAppletLaunchableEvent(Kernel::HLERequestContext&
 }
 
 void ISelfController::SetScreenShotPermission(Kernel::HLERequestContext& ctx) {
-    LOG_WARNING(Service_AM, "(STUBBED) called");
+    IPC::RequestParser rp{ctx};
+    const auto permission = rp.PopEnum<ScreenshotPermission>();
+    LOG_DEBUG(Service_AM, "called, permission={}", permission);
+
+    screenshot_permission = permission;
 
     IPC::ResponseBuilder rb{ctx, 2};
     rb.Push(RESULT_SUCCESS);
@@ -1188,7 +1192,7 @@ IApplicationFunctions::IApplicationFunctions(Core::System& system_)
         {120, nullptr, "ExecuteProgram"},
         {121, nullptr, "ClearUserChannel"},
         {122, nullptr, "UnpopToUserChannel"},
-        {123, nullptr, "GetPreviousProgramIndex"},
+        {123, &IApplicationFunctions::GetPreviousProgramIndex, "GetPreviousProgramIndex"},
         {124, nullptr, "EnableApplicationAllThreadDumpOnCrash"},
         {130, &IApplicationFunctions::GetGpuErrorDetectedSystemEvent, "GetGpuErrorDetectedSystemEvent"},
         {140, &IApplicationFunctions::GetFriendInvitationStorageChannelEvent, "GetFriendInvitationStorageChannelEvent"},
@@ -1342,12 +1346,12 @@ void IApplicationFunctions::EnsureSaveData(Kernel::HLERequestContext& ctx) {
 
     LOG_DEBUG(Service_AM, "called, uid={:016X}{:016X}", user_id[1], user_id[0]);
 
-    FileSys::SaveDataDescriptor descriptor{};
-    descriptor.title_id = system.CurrentProcess()->GetTitleID();
-    descriptor.user_id = user_id;
-    descriptor.type = FileSys::SaveDataType::SaveData;
+    FileSys::SaveDataAttribute attribute{};
+    attribute.title_id = system.CurrentProcess()->GetTitleID();
+    attribute.user_id = user_id;
+    attribute.type = FileSys::SaveDataType::SaveData;
     const auto res = system.GetFileSystemController().CreateSaveData(
-        FileSys::SaveDataSpaceId::NandUser, descriptor);
+        FileSys::SaveDataSpaceId::NandUser, attribute);
 
     IPC::ResponseBuilder rb{ctx, 4};
     rb.Push(res.Code());
@@ -1405,7 +1409,6 @@ void IApplicationFunctions::GetDesiredLanguage(Kernel::HLERequestContext& ctx) {
     // Get supported languages from NACP, if possible
     // Default to 0 (all languages supported)
     u32 supported_languages = 0;
-    FileSys::PatchManager pm{system.CurrentProcess()->GetTitleID()};
 
     const auto res = [this] {
         const auto title_id = system.CurrentProcess()->GetTitleID();
@@ -1551,6 +1554,14 @@ void IApplicationFunctions::QueryApplicationPlayStatisticsByUid(Kernel::HLEReque
     rb.Push<u32>(0);
 }
 
+void IApplicationFunctions::GetPreviousProgramIndex(Kernel::HLERequestContext& ctx) {
+    LOG_WARNING(Service_AM, "(STUBBED) called");
+
+    IPC::ResponseBuilder rb{ctx, 3};
+    rb.Push(RESULT_SUCCESS);
+    rb.Push<s32>(previous_program_index);
+}
+
 void IApplicationFunctions::GetGpuErrorDetectedSystemEvent(Kernel::HLERequestContext& ctx) {
     LOG_WARNING(Service_AM, "(STUBBED) called");
 
diff --git a/src/core/hle/service/am/am.h b/src/core/hle/service/am/am.h
index 6cfb11b48..bcc06affe 100644
--- a/src/core/hle/service/am/am.h
+++ b/src/core/hle/service/am/am.h
@@ -149,6 +149,12 @@ private:
     void GetAccumulatedSuspendedTickValue(Kernel::HLERequestContext& ctx);
     void GetAccumulatedSuspendedTickChangedEvent(Kernel::HLERequestContext& ctx);
 
+    enum class ScreenshotPermission : u32 {
+        Inherit = 0,
+        Enable = 1,
+        Disable = 2,
+    };
+
     Core::System& system;
     std::shared_ptr<NVFlinger::NVFlinger> nvflinger;
     Kernel::EventPair launchable_event;
@@ -157,6 +163,7 @@ private:
     u32 idle_time_detection_extension = 0;
     u64 num_fatal_sections_entered = 0;
     bool is_auto_sleep_disabled = false;
+    ScreenshotPermission screenshot_permission = ScreenshotPermission::Inherit;
 };
 
 class ICommonStateGetter final : public ServiceFramework<ICommonStateGetter> {
@@ -281,11 +288,13 @@ private:
     void SetApplicationCopyrightVisibility(Kernel::HLERequestContext& ctx);
     void QueryApplicationPlayStatistics(Kernel::HLERequestContext& ctx);
     void QueryApplicationPlayStatisticsByUid(Kernel::HLERequestContext& ctx);
+    void GetPreviousProgramIndex(Kernel::HLERequestContext& ctx);
     void GetGpuErrorDetectedSystemEvent(Kernel::HLERequestContext& ctx);
     void GetFriendInvitationStorageChannelEvent(Kernel::HLERequestContext& ctx);
 
     bool launch_popped_application_specific = false;
     bool launch_popped_account_preselect = false;
+    s32 previous_program_index{-1};
     Kernel::EventPair gpu_error_detected_event;
     Kernel::EventPair friend_invitation_storage_channel_event;
     Core::System& system;
diff --git a/src/core/hle/service/am/applets/applets.cpp b/src/core/hle/service/am/applets/applets.cpp
index c3261f3e6..2b626bb40 100644
--- a/src/core/hle/service/am/applets/applets.cpp
+++ b/src/core/hle/service/am/applets/applets.cpp
@@ -5,6 +5,7 @@
 #include <cstring>
 #include "common/assert.h"
 #include "core/core.h"
+#include "core/frontend/applets/controller.h"
 #include "core/frontend/applets/error.h"
 #include "core/frontend/applets/general_frontend.h"
 #include "core/frontend/applets/profile_select.h"
@@ -15,6 +16,7 @@
 #include "core/hle/kernel/writable_event.h"
 #include "core/hle/service/am/am.h"
 #include "core/hle/service/am/applets/applets.h"
+#include "core/hle/service/am/applets/controller.h"
 #include "core/hle/service/am/applets/error.h"
 #include "core/hle/service/am/applets/general_backend.h"
 #include "core/hle/service/am/applets/profile_select.h"
@@ -140,14 +142,14 @@ void Applet::Initialize() {
 
 AppletFrontendSet::AppletFrontendSet() = default;
 
-AppletFrontendSet::AppletFrontendSet(ParentalControlsApplet parental_controls, ErrorApplet error,
+AppletFrontendSet::AppletFrontendSet(ControllerApplet controller, ECommerceApplet e_commerce,
+                                     ErrorApplet error, ParentalControlsApplet parental_controls,
                                      PhotoViewer photo_viewer, ProfileSelect profile_select,
-                                     SoftwareKeyboard software_keyboard, WebBrowser web_browser,
-                                     ECommerceApplet e_commerce)
-    : parental_controls{std::move(parental_controls)}, error{std::move(error)},
-      photo_viewer{std::move(photo_viewer)}, profile_select{std::move(profile_select)},
-      software_keyboard{std::move(software_keyboard)}, web_browser{std::move(web_browser)},
-      e_commerce{std::move(e_commerce)} {}
+                                     SoftwareKeyboard software_keyboard, WebBrowser web_browser)
+    : controller{std::move(controller)}, e_commerce{std::move(e_commerce)}, error{std::move(error)},
+      parental_controls{std::move(parental_controls)}, photo_viewer{std::move(photo_viewer)},
+      profile_select{std::move(profile_select)}, software_keyboard{std::move(software_keyboard)},
+      web_browser{std::move(web_browser)} {}
 
 AppletFrontendSet::~AppletFrontendSet() = default;
 
@@ -164,20 +166,37 @@ const AppletFrontendSet& AppletManager::GetAppletFrontendSet() const {
 }
 
 void AppletManager::SetAppletFrontendSet(AppletFrontendSet set) {
-    if (set.parental_controls != nullptr)
-        frontend.parental_controls = std::move(set.parental_controls);
-    if (set.error != nullptr)
+    if (set.controller != nullptr) {
+        frontend.controller = std::move(set.controller);
+    }
+
+    if (set.e_commerce != nullptr) {
+        frontend.e_commerce = std::move(set.e_commerce);
+    }
+
+    if (set.error != nullptr) {
         frontend.error = std::move(set.error);
-    if (set.photo_viewer != nullptr)
+    }
+
+    if (set.parental_controls != nullptr) {
+        frontend.parental_controls = std::move(set.parental_controls);
+    }
+
+    if (set.photo_viewer != nullptr) {
         frontend.photo_viewer = std::move(set.photo_viewer);
-    if (set.profile_select != nullptr)
+    }
+
+    if (set.profile_select != nullptr) {
         frontend.profile_select = std::move(set.profile_select);
-    if (set.software_keyboard != nullptr)
+    }
+
+    if (set.software_keyboard != nullptr) {
         frontend.software_keyboard = std::move(set.software_keyboard);
-    if (set.web_browser != nullptr)
+    }
+
+    if (set.web_browser != nullptr) {
         frontend.web_browser = std::move(set.web_browser);
-    if (set.e_commerce != nullptr)
-        frontend.e_commerce = std::move(set.e_commerce);
+    }
 }
 
 void AppletManager::SetDefaultAppletFrontendSet() {
@@ -186,15 +205,24 @@ void AppletManager::SetDefaultAppletFrontendSet() {
 }
 
 void AppletManager::SetDefaultAppletsIfMissing() {
-    if (frontend.parental_controls == nullptr) {
-        frontend.parental_controls =
-            std::make_unique<Core::Frontend::DefaultParentalControlsApplet>();
+    if (frontend.controller == nullptr) {
+        frontend.controller =
+            std::make_unique<Core::Frontend::DefaultControllerApplet>(system.ServiceManager());
+    }
+
+    if (frontend.e_commerce == nullptr) {
+        frontend.e_commerce = std::make_unique<Core::Frontend::DefaultECommerceApplet>();
     }
 
     if (frontend.error == nullptr) {
         frontend.error = std::make_unique<Core::Frontend::DefaultErrorApplet>();
     }
 
+    if (frontend.parental_controls == nullptr) {
+        frontend.parental_controls =
+            std::make_unique<Core::Frontend::DefaultParentalControlsApplet>();
+    }
+
     if (frontend.photo_viewer == nullptr) {
         frontend.photo_viewer = std::make_unique<Core::Frontend::DefaultPhotoViewerApplet>();
     }
@@ -211,10 +239,6 @@ void AppletManager::SetDefaultAppletsIfMissing() {
     if (frontend.web_browser == nullptr) {
         frontend.web_browser = std::make_unique<Core::Frontend::DefaultWebBrowserApplet>();
     }
-
-    if (frontend.e_commerce == nullptr) {
-        frontend.e_commerce = std::make_unique<Core::Frontend::DefaultECommerceApplet>();
-    }
 }
 
 void AppletManager::ClearAll() {
@@ -225,6 +249,8 @@ std::shared_ptr<Applet> AppletManager::GetApplet(AppletId id) const {
     switch (id) {
     case AppletId::Auth:
         return std::make_shared<Auth>(system, *frontend.parental_controls);
+    case AppletId::Controller:
+        return std::make_shared<Controller>(system, *frontend.controller);
     case AppletId::Error:
         return std::make_shared<Error>(system, *frontend.error);
     case AppletId::ProfileSelect:
diff --git a/src/core/hle/service/am/applets/applets.h b/src/core/hle/service/am/applets/applets.h
index e75be86a2..a1f4cf897 100644
--- a/src/core/hle/service/am/applets/applets.h
+++ b/src/core/hle/service/am/applets/applets.h
@@ -17,6 +17,7 @@ class System;
 }
 
 namespace Core::Frontend {
+class ControllerApplet;
 class ECommerceApplet;
 class ErrorApplet;
 class ParentalControlsApplet;
@@ -155,19 +156,20 @@ protected:
 };
 
 struct AppletFrontendSet {
-    using ParentalControlsApplet = std::unique_ptr<Core::Frontend::ParentalControlsApplet>;
+    using ControllerApplet = std::unique_ptr<Core::Frontend::ControllerApplet>;
+    using ECommerceApplet = std::unique_ptr<Core::Frontend::ECommerceApplet>;
     using ErrorApplet = std::unique_ptr<Core::Frontend::ErrorApplet>;
+    using ParentalControlsApplet = std::unique_ptr<Core::Frontend::ParentalControlsApplet>;
     using PhotoViewer = std::unique_ptr<Core::Frontend::PhotoViewerApplet>;
     using ProfileSelect = std::unique_ptr<Core::Frontend::ProfileSelectApplet>;
     using SoftwareKeyboard = std::unique_ptr<Core::Frontend::SoftwareKeyboardApplet>;
     using WebBrowser = std::unique_ptr<Core::Frontend::WebBrowserApplet>;
-    using ECommerceApplet = std::unique_ptr<Core::Frontend::ECommerceApplet>;
 
     AppletFrontendSet();
-    AppletFrontendSet(ParentalControlsApplet parental_controls, ErrorApplet error,
-                      PhotoViewer photo_viewer, ProfileSelect profile_select,
-                      SoftwareKeyboard software_keyboard, WebBrowser web_browser,
-                      ECommerceApplet e_commerce);
+    AppletFrontendSet(ControllerApplet controller, ECommerceApplet e_commerce, ErrorApplet error,
+                      ParentalControlsApplet parental_controls, PhotoViewer photo_viewer,
+                      ProfileSelect profile_select, SoftwareKeyboard software_keyboard,
+                      WebBrowser web_browser);
     ~AppletFrontendSet();
 
     AppletFrontendSet(const AppletFrontendSet&) = delete;
@@ -176,13 +178,14 @@ struct AppletFrontendSet {
     AppletFrontendSet(AppletFrontendSet&&) noexcept;
     AppletFrontendSet& operator=(AppletFrontendSet&&) noexcept;
 
-    ParentalControlsApplet parental_controls;
+    ControllerApplet controller;
+    ECommerceApplet e_commerce;
     ErrorApplet error;
+    ParentalControlsApplet parental_controls;
     PhotoViewer photo_viewer;
     ProfileSelect profile_select;
     SoftwareKeyboard software_keyboard;
     WebBrowser web_browser;
-    ECommerceApplet e_commerce;
 };
 
 class AppletManager {
diff --git a/src/core/hle/service/am/applets/controller.cpp b/src/core/hle/service/am/applets/controller.cpp
new file mode 100644
index 000000000..2151da783
--- /dev/null
+++ b/src/core/hle/service/am/applets/controller.cpp
@@ -0,0 +1,210 @@
+// Copyright 2020 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include <algorithm>
+#include <cstring>
+
+#include "common/assert.h"
+#include "common/logging/log.h"
+#include "common/string_util.h"
+#include "core/core.h"
+#include "core/frontend/applets/controller.h"
+#include "core/hle/result.h"
+#include "core/hle/service/am/am.h"
+#include "core/hle/service/am/applets/controller.h"
+#include "core/hle/service/hid/controllers/npad.h"
+
+namespace Service::AM::Applets {
+
+// This error code (0x183ACA) is thrown when the applet fails to initialize.
+[[maybe_unused]] constexpr ResultCode ERR_CONTROLLER_APPLET_3101{ErrorModule::HID, 3101};
+// This error code (0x183CCA) is thrown when the u32 result in ControllerSupportResultInfo is 2.
+[[maybe_unused]] constexpr ResultCode ERR_CONTROLLER_APPLET_3102{ErrorModule::HID, 3102};
+
+static Core::Frontend::ControllerParameters ConvertToFrontendParameters(
+    ControllerSupportArgPrivate private_arg, ControllerSupportArgHeader header, bool enable_text,
+    std::vector<IdentificationColor> identification_colors, std::vector<ExplainText> text) {
+    HID::Controller_NPad::NPadType npad_style_set;
+    npad_style_set.raw = private_arg.style_set;
+
+    return {
+        .min_players = std::max(s8(1), header.player_count_min),
+        .max_players = header.player_count_max,
+        .keep_controllers_connected = header.enable_take_over_connection,
+        .enable_single_mode = header.enable_single_mode,
+        .enable_border_color = header.enable_identification_color,
+        .border_colors = identification_colors,
+        .enable_explain_text = enable_text,
+        .explain_text = text,
+        .allow_pro_controller = npad_style_set.pro_controller == 1,
+        .allow_handheld = npad_style_set.handheld == 1,
+        .allow_dual_joycons = npad_style_set.joycon_dual == 1,
+        .allow_left_joycon = npad_style_set.joycon_left == 1,
+        .allow_right_joycon = npad_style_set.joycon_right == 1,
+    };
+}
+
+Controller::Controller(Core::System& system_, const Core::Frontend::ControllerApplet& frontend_)
+    : Applet{system_.Kernel()}, frontend(frontend_) {}
+
+Controller::~Controller() = default;
+
+void Controller::Initialize() {
+    Applet::Initialize();
+
+    LOG_INFO(Service_HID, "Initializing Controller Applet.");
+
+    LOG_DEBUG(Service_HID,
+              "Initializing Applet with common_args: arg_version={}, lib_version={}, "
+              "play_startup_sound={}, size={}, system_tick={}, theme_color={}",
+              common_args.arguments_version, common_args.library_version,
+              common_args.play_startup_sound, common_args.size, common_args.system_tick,
+              common_args.theme_color);
+
+    library_applet_version = LibraryAppletVersion{common_args.library_version};
+
+    const auto private_arg_storage = broker.PopNormalDataToApplet();
+    ASSERT(private_arg_storage != nullptr);
+
+    const auto& private_arg = private_arg_storage->GetData();
+    ASSERT(private_arg.size() == sizeof(ControllerSupportArgPrivate));
+
+    std::memcpy(&controller_private_arg, private_arg.data(), sizeof(ControllerSupportArgPrivate));
+    ASSERT_MSG(controller_private_arg.arg_private_size == sizeof(ControllerSupportArgPrivate),
+               "Unknown ControllerSupportArgPrivate revision={} with size={}",
+               library_applet_version, controller_private_arg.arg_private_size);
+
+    switch (controller_private_arg.mode) {
+    case ControllerSupportMode::ShowControllerSupport: {
+        const auto user_arg_storage = broker.PopNormalDataToApplet();
+        ASSERT(user_arg_storage != nullptr);
+
+        const auto& user_arg = user_arg_storage->GetData();
+        switch (library_applet_version) {
+        case LibraryAppletVersion::Version3:
+        case LibraryAppletVersion::Version4:
+        case LibraryAppletVersion::Version5:
+            ASSERT(user_arg.size() == sizeof(ControllerSupportArgOld));
+            std::memcpy(&controller_user_arg_old, user_arg.data(), sizeof(ControllerSupportArgOld));
+            break;
+        case LibraryAppletVersion::Version7:
+            ASSERT(user_arg.size() == sizeof(ControllerSupportArgNew));
+            std::memcpy(&controller_user_arg_new, user_arg.data(), sizeof(ControllerSupportArgNew));
+            break;
+        default:
+            UNIMPLEMENTED_MSG("Unknown ControllerSupportArg revision={} with size={}",
+                              library_applet_version, controller_private_arg.arg_size);
+            ASSERT(user_arg.size() >= sizeof(ControllerSupportArgNew));
+            std::memcpy(&controller_user_arg_new, user_arg.data(), sizeof(ControllerSupportArgNew));
+            break;
+        }
+        break;
+    }
+    case ControllerSupportMode::ShowControllerStrapGuide:
+    case ControllerSupportMode::ShowControllerFirmwareUpdate:
+    default: {
+        UNIMPLEMENTED_MSG("Unimplemented ControllerSupportMode={}", controller_private_arg.mode);
+        break;
+    }
+    }
+}
+
+bool Controller::TransactionComplete() const {
+    return complete;
+}
+
+ResultCode Controller::GetStatus() const {
+    return status;
+}
+
+void Controller::ExecuteInteractive() {
+    UNREACHABLE_MSG("Attempted to call interactive execution on non-interactive applet.");
+}
+
+void Controller::Execute() {
+    switch (controller_private_arg.mode) {
+    case ControllerSupportMode::ShowControllerSupport: {
+        const auto parameters = [this] {
+            switch (library_applet_version) {
+            case LibraryAppletVersion::Version3:
+            case LibraryAppletVersion::Version4:
+            case LibraryAppletVersion::Version5:
+                return ConvertToFrontendParameters(
+                    controller_private_arg, controller_user_arg_old.header,
+                    controller_user_arg_old.enable_explain_text,
+                    std::vector<IdentificationColor>(
+                        controller_user_arg_old.identification_colors.begin(),
+                        controller_user_arg_old.identification_colors.end()),
+                    std::vector<ExplainText>(controller_user_arg_old.explain_text.begin(),
+                                             controller_user_arg_old.explain_text.end()));
+            case LibraryAppletVersion::Version7:
+            default:
+                return ConvertToFrontendParameters(
+                    controller_private_arg, controller_user_arg_new.header,
+                    controller_user_arg_new.enable_explain_text,
+                    std::vector<IdentificationColor>(
+                        controller_user_arg_new.identification_colors.begin(),
+                        controller_user_arg_new.identification_colors.end()),
+                    std::vector<ExplainText>(controller_user_arg_new.explain_text.begin(),
+                                             controller_user_arg_new.explain_text.end()));
+            }
+        }();
+
+        is_single_mode = parameters.enable_single_mode;
+
+        LOG_DEBUG(Service_HID,
+                  "Controller Parameters: min_players={}, max_players={}, "
+                  "keep_controllers_connected={}, enable_single_mode={}, enable_border_color={}, "
+                  "enable_explain_text={}, allow_pro_controller={}, allow_handheld={}, "
+                  "allow_dual_joycons={}, allow_left_joycon={}, allow_right_joycon={}",
+                  parameters.min_players, parameters.max_players,
+                  parameters.keep_controllers_connected, parameters.enable_single_mode,
+                  parameters.enable_border_color, parameters.enable_explain_text,
+                  parameters.allow_pro_controller, parameters.allow_handheld,
+                  parameters.allow_dual_joycons, parameters.allow_left_joycon,
+                  parameters.allow_right_joycon);
+
+        frontend.ReconfigureControllers([this] { ConfigurationComplete(); }, parameters);
+        break;
+    }
+    case ControllerSupportMode::ShowControllerStrapGuide:
+    case ControllerSupportMode::ShowControllerFirmwareUpdate:
+    default: {
+        ConfigurationComplete();
+        break;
+    }
+    }
+}
+
+void Controller::ConfigurationComplete() {
+    ControllerSupportResultInfo result_info{};
+
+    const auto& players = Settings::values.players;
+
+    // If enable_single_mode is enabled, player_count is 1 regardless of any other parameters.
+    // Otherwise, only count connected players from P1-P8.
+    result_info.player_count =
+        is_single_mode ? 1
+                       : static_cast<s8>(std::count_if(
+                             players.begin(), players.end() - 2,
+                             [](Settings::PlayerInput player) { return player.connected; }));
+
+    result_info.selected_id = HID::Controller_NPad::IndexToNPad(
+        std::distance(players.begin(),
+                      std::find_if(players.begin(), players.end(),
+                                   [](Settings::PlayerInput player) { return player.connected; })));
+
+    result_info.result = 0;
+
+    LOG_DEBUG(Service_HID, "Result Info: player_count={}, selected_id={}, result={}",
+              result_info.player_count, result_info.selected_id, result_info.result);
+
+    complete = true;
+    out_data = std::vector<u8>(sizeof(ControllerSupportResultInfo));
+    std::memcpy(out_data.data(), &result_info, out_data.size());
+    broker.PushNormalDataFromApplet(std::make_shared<IStorage>(std::move(out_data)));
+    broker.SignalStateChanged();
+}
+
+} // namespace Service::AM::Applets
diff --git a/src/core/hle/service/am/applets/controller.h b/src/core/hle/service/am/applets/controller.h
new file mode 100644
index 000000000..f7bb3fba9
--- /dev/null
+++ b/src/core/hle/service/am/applets/controller.h
@@ -0,0 +1,123 @@
+// Copyright 2020 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <array>
+#include <vector>
+
+#include "common/common_funcs.h"
+#include "common/common_types.h"
+#include "core/hle/result.h"
+#include "core/hle/service/am/applets/applets.h"
+
+namespace Core {
+class System;
+}
+
+namespace Service::AM::Applets {
+
+using IdentificationColor = std::array<u8, 4>;
+using ExplainText = std::array<char, 0x81>;
+
+enum class LibraryAppletVersion : u32_le {
+    Version3 = 0x3, // 1.0.0 - 2.3.0
+    Version4 = 0x4, // 3.0.0 - 5.1.0
+    Version5 = 0x5, // 6.0.0 - 7.0.1
+    Version7 = 0x7, // 8.0.0+
+};
+
+enum class ControllerSupportMode : u8 {
+    ShowControllerSupport = 0,
+    ShowControllerStrapGuide = 1,
+    ShowControllerFirmwareUpdate = 2,
+};
+
+enum class ControllerSupportCaller : u8 {
+    Application = 0,
+    System = 1,
+};
+
+struct ControllerSupportArgPrivate {
+    u32 arg_private_size{};
+    u32 arg_size{};
+    bool flag_0{};
+    bool flag_1{};
+    ControllerSupportMode mode{};
+    ControllerSupportCaller caller{};
+    u32 style_set{};
+    u32 joy_hold_type{};
+};
+static_assert(sizeof(ControllerSupportArgPrivate) == 0x14,
+              "ControllerSupportArgPrivate has incorrect size.");
+
+struct ControllerSupportArgHeader {
+    s8 player_count_min{};
+    s8 player_count_max{};
+    bool enable_take_over_connection{};
+    bool enable_left_justify{};
+    bool enable_permit_joy_dual{};
+    bool enable_single_mode{};
+    bool enable_identification_color{};
+};
+static_assert(sizeof(ControllerSupportArgHeader) == 0x7,
+              "ControllerSupportArgHeader has incorrect size.");
+
+// LibraryAppletVersion 0x3, 0x4, 0x5
+struct ControllerSupportArgOld {
+    ControllerSupportArgHeader header{};
+    std::array<IdentificationColor, 4> identification_colors{};
+    bool enable_explain_text{};
+    std::array<ExplainText, 4> explain_text{};
+};
+static_assert(sizeof(ControllerSupportArgOld) == 0x21C,
+              "ControllerSupportArgOld has incorrect size.");
+
+// LibraryAppletVersion 0x7
+struct ControllerSupportArgNew {
+    ControllerSupportArgHeader header{};
+    std::array<IdentificationColor, 8> identification_colors{};
+    bool enable_explain_text{};
+    std::array<ExplainText, 8> explain_text{};
+};
+static_assert(sizeof(ControllerSupportArgNew) == 0x430,
+              "ControllerSupportArgNew has incorrect size.");
+
+struct ControllerSupportResultInfo {
+    s8 player_count{};
+    INSERT_PADDING_BYTES(3);
+    u32 selected_id{};
+    u32 result{};
+};
+static_assert(sizeof(ControllerSupportResultInfo) == 0xC,
+              "ControllerSupportResultInfo has incorrect size.");
+
+class Controller final : public Applet {
+public:
+    explicit Controller(Core::System& system_, const Core::Frontend::ControllerApplet& frontend_);
+    ~Controller() override;
+
+    void Initialize() override;
+
+    bool TransactionComplete() const override;
+    ResultCode GetStatus() const override;
+    void ExecuteInteractive() override;
+    void Execute() override;
+
+    void ConfigurationComplete();
+
+private:
+    const Core::Frontend::ControllerApplet& frontend;
+
+    LibraryAppletVersion library_applet_version;
+    ControllerSupportArgPrivate controller_private_arg;
+    ControllerSupportArgOld controller_user_arg_old;
+    ControllerSupportArgNew controller_user_arg_new;
+    bool complete{false};
+    ResultCode status{RESULT_SUCCESS};
+    bool is_single_mode{false};
+    std::vector<u8> out_data;
+};
+
+} // namespace Service::AM::Applets
diff --git a/src/core/hle/service/am/applets/software_keyboard.cpp b/src/core/hle/service/am/applets/software_keyboard.cpp
index fbe3686ae..bdeb0737a 100644
--- a/src/core/hle/service/am/applets/software_keyboard.cpp
+++ b/src/core/hle/service/am/applets/software_keyboard.cpp
@@ -13,11 +13,23 @@
 
 namespace Service::AM::Applets {
 
+namespace {
+enum class Request : u32 {
+    Finalize = 0x4,
+    SetUserWordInfo = 0x6,
+    SetCustomizeDic = 0x7,
+    Calc = 0xa,
+    SetCustomizedDictionaries = 0xb,
+    UnsetCustomizedDictionaries = 0xc,
+    UnknownD = 0xd,
+    UnknownE = 0xe,
+};
+constexpr std::size_t SWKBD_INLINE_INIT_SIZE = 0x8;
 constexpr std::size_t SWKBD_OUTPUT_BUFFER_SIZE = 0x7D8;
 constexpr std::size_t SWKBD_OUTPUT_INTERACTIVE_BUFFER_SIZE = 0x7D4;
 constexpr std::size_t DEFAULT_MAX_LENGTH = 500;
 constexpr bool INTERACTIVE_STATUS_OK = false;
-
+} // Anonymous namespace
 static Core::Frontend::SoftwareKeyboardParameters ConvertToFrontendParameters(
     KeyboardConfig config, std::u16string initial_text) {
     Core::Frontend::SoftwareKeyboardParameters params{};
@@ -47,6 +59,7 @@ SoftwareKeyboard::~SoftwareKeyboard() = default;
 
 void SoftwareKeyboard::Initialize() {
     complete = false;
+    is_inline = false;
     initial_text.clear();
     final_data.clear();
 
@@ -56,6 +69,11 @@ void SoftwareKeyboard::Initialize() {
     ASSERT(keyboard_config_storage != nullptr);
     const auto& keyboard_config = keyboard_config_storage->GetData();
 
+    if (keyboard_config.size() == SWKBD_INLINE_INIT_SIZE) {
+        is_inline = true;
+        return;
+    }
+
     ASSERT(keyboard_config.size() >= sizeof(KeyboardConfig));
     std::memcpy(&config, keyboard_config.data(), sizeof(KeyboardConfig));
 
@@ -87,16 +105,31 @@ void SoftwareKeyboard::ExecuteInteractive() {
     const auto storage = broker.PopInteractiveDataToApplet();
     ASSERT(storage != nullptr);
     const auto data = storage->GetData();
-    const auto status = static_cast<bool>(data[0]);
-
-    if (status == INTERACTIVE_STATUS_OK) {
-        complete = true;
+    if (!is_inline) {
+        const auto status = static_cast<bool>(data[0]);
+        if (status == INTERACTIVE_STATUS_OK) {
+            complete = true;
+        } else {
+            std::array<char16_t, SWKBD_OUTPUT_INTERACTIVE_BUFFER_SIZE / 2 - 2> string;
+            std::memcpy(string.data(), data.data() + 4, string.size() * 2);
+            frontend.SendTextCheckDialog(
+                Common::UTF16StringFromFixedZeroTerminatedBuffer(string.data(), string.size()),
+                [this] { broker.SignalStateChanged(); });
+        }
     } else {
-        std::array<char16_t, SWKBD_OUTPUT_INTERACTIVE_BUFFER_SIZE / 2 - 2> string;
-        std::memcpy(string.data(), data.data() + 4, string.size() * 2);
-        frontend.SendTextCheckDialog(
-            Common::UTF16StringFromFixedZeroTerminatedBuffer(string.data(), string.size()),
-            [this] { broker.SignalStateChanged(); });
+        Request request{};
+        std::memcpy(&request, data.data(), sizeof(Request));
+
+        switch (request) {
+        case Request::Calc: {
+            broker.PushNormalDataFromApplet(std::make_shared<IStorage>(std::vector<u8>{1}));
+            broker.SignalStateChanged();
+            break;
+        }
+        default:
+            UNIMPLEMENTED_MSG("Request {:X} is not implemented", request);
+            break;
+        }
     }
 }
 
@@ -108,9 +141,10 @@ void SoftwareKeyboard::Execute() {
     }
 
     const auto parameters = ConvertToFrontendParameters(config, initial_text);
-
-    frontend.RequestText([this](std::optional<std::u16string> text) { WriteText(std::move(text)); },
-                         parameters);
+    if (!is_inline) {
+        frontend.RequestText(
+            [this](std::optional<std::u16string> text) { WriteText(std::move(text)); }, parameters);
+    }
 }
 
 void SoftwareKeyboard::WriteText(std::optional<std::u16string> text) {
diff --git a/src/core/hle/service/am/applets/software_keyboard.h b/src/core/hle/service/am/applets/software_keyboard.h
index ef4801fc6..5a3824b5a 100644
--- a/src/core/hle/service/am/applets/software_keyboard.h
+++ b/src/core/hle/service/am/applets/software_keyboard.h
@@ -78,6 +78,7 @@ private:
     KeyboardConfig config;
     std::u16string initial_text;
     bool complete = false;
+    bool is_inline = false;
     std::vector<u8> final_data;
 };
 
diff --git a/src/core/hle/service/am/applets/web_browser.cpp b/src/core/hle/service/am/applets/web_browser.cpp
index 9f30e167d..efe595c4f 100644
--- a/src/core/hle/service/am/applets/web_browser.cpp
+++ b/src/core/hle/service/am/applets/web_browser.cpp
@@ -293,8 +293,8 @@ void WebBrowser::Finalize() {
     broker.PushNormalDataFromApplet(std::make_shared<IStorage>(std::move(data)));
     broker.SignalStateChanged();
 
-    if (!temporary_dir.empty() && FileUtil::IsDirectory(temporary_dir)) {
-        FileUtil::DeleteDirRecursively(temporary_dir);
+    if (!temporary_dir.empty() && Common::FS::IsDirectory(temporary_dir)) {
+        Common::FS::DeleteDirRecursively(temporary_dir);
     }
 }
 
@@ -452,10 +452,10 @@ void WebBrowser::InitializeOffline() {
     };
 
     temporary_dir =
-        FileUtil::SanitizePath(FileUtil::GetUserPath(FileUtil::UserPath::CacheDir) + "web_applet_" +
-                                   WEB_SOURCE_NAMES[static_cast<u32>(source) - 1],
-                               FileUtil::DirectorySeparator::PlatformDefault);
-    FileUtil::DeleteDirRecursively(temporary_dir);
+        Common::FS::SanitizePath(Common::FS::GetUserPath(Common::FS::UserPath::CacheDir) +
+                                     "web_applet_" + WEB_SOURCE_NAMES[static_cast<u32>(source) - 1],
+                                 Common::FS::DirectorySeparator::PlatformDefault);
+    Common::FS::DeleteDirRecursively(temporary_dir);
 
     u64 title_id = 0; // 0 corresponds to current process
     ASSERT(args[WebArgTLVType::ApplicationID].size() >= 0x8);
@@ -492,8 +492,8 @@ void WebBrowser::InitializeOffline() {
     }
 
     filename =
-        FileUtil::SanitizePath(temporary_dir + path_additional_directory + DIR_SEP + filename,
-                               FileUtil::DirectorySeparator::PlatformDefault);
+        Common::FS::SanitizePath(temporary_dir + path_additional_directory + DIR_SEP + filename,
+                                 Common::FS::DirectorySeparator::PlatformDefault);
 }
 
 void WebBrowser::ExecuteShop() {
@@ -551,7 +551,8 @@ void WebBrowser::ExecuteShop() {
 }
 
 void WebBrowser::ExecuteOffline() {
-    frontend.OpenPageLocal(filename, [this] { UnpackRomFS(); }, [this] { Finalize(); });
+    frontend.OpenPageLocal(
+        filename, [this] { UnpackRomFS(); }, [this] { Finalize(); });
 }
 
 } // namespace Service::AM::Applets
diff --git a/src/core/hle/service/audio/audout_u.cpp b/src/core/hle/service/audio/audout_u.cpp
index 106e89743..9b4910e53 100644
--- a/src/core/hle/service/audio/audout_u.cpp
+++ b/src/core/hle/service/audio/audout_u.cpp
@@ -71,7 +71,7 @@ public:
 
         stream = audio_core.OpenStream(system.CoreTiming(), audio_params.sample_rate,
                                        audio_params.channel_count, std::move(unique_name),
-                                       [=]() { buffer_event.writable->Signal(); });
+                                       [this] { buffer_event.writable->Signal(); });
     }
 
 private:
@@ -206,7 +206,7 @@ private:
     AudioCore::StreamPtr stream;
     std::string device_name;
 
-    [[maybe_unused]] AudoutParams audio_params {};
+    [[maybe_unused]] AudoutParams audio_params{};
 
     /// This is the event handle used to check if the audio buffer was released
     Kernel::EventPair buffer_event;
diff --git a/src/core/hle/service/audio/audren_u.cpp b/src/core/hle/service/audio/audren_u.cpp
index d8359abaa..a2d3ded7b 100644
--- a/src/core/hle/service/audio/audren_u.cpp
+++ b/src/core/hle/service/audio/audren_u.cpp
@@ -26,7 +26,7 @@ namespace Service::Audio {
 
 class IAudioRenderer final : public ServiceFramework<IAudioRenderer> {
 public:
-    explicit IAudioRenderer(Core::System& system, AudioCore::AudioRendererParameter audren_params,
+    explicit IAudioRenderer(Core::System& system, AudioCommon::AudioRendererParameter audren_params,
                             const std::size_t instance_number)
         : ServiceFramework("IAudioRenderer") {
         // clang-format off
@@ -94,14 +94,15 @@ private:
     void RequestUpdateImpl(Kernel::HLERequestContext& ctx) {
         LOG_DEBUG(Service_Audio, "(STUBBED) called");
 
-        auto result = renderer->UpdateAudioRenderer(ctx.ReadBuffer());
+        std::vector<u8> output_params(ctx.GetWriteBufferSize());
+        auto result = renderer->UpdateAudioRenderer(ctx.ReadBuffer(), output_params);
 
-        if (result.Succeeded()) {
-            ctx.WriteBuffer(result.Unwrap());
+        if (result.IsSuccess()) {
+            ctx.WriteBuffer(output_params);
         }
 
         IPC::ResponseBuilder rb{ctx, 2};
-        rb.Push(result.Code());
+        rb.Push(result);
     }
 
     void Start(Kernel::HLERequestContext& ctx) {
@@ -346,7 +347,7 @@ void AudRenU::OpenAudioRenderer(Kernel::HLERequestContext& ctx) {
     OpenAudioRendererImpl(ctx);
 }
 
-static u64 CalculateNumPerformanceEntries(const AudioCore::AudioRendererParameter& params) {
+static u64 CalculateNumPerformanceEntries(const AudioCommon::AudioRendererParameter& params) {
     // +1 represents the final mix.
     return u64{params.effect_count} + params.submix_count + params.sink_count + params.voice_count +
            1;
@@ -375,7 +376,7 @@ void AudRenU::GetAudioRendererWorkBufferSize(Kernel::HLERequestContext& ctx) {
     constexpr u64 upsampler_manager_size = 0x48;
 
     // Calculates the part of the size that relates to mix buffers.
-    const auto calculate_mix_buffer_sizes = [](const AudioCore::AudioRendererParameter& params) {
+    const auto calculate_mix_buffer_sizes = [](const AudioCommon::AudioRendererParameter& params) {
         // As of 8.0.0 this is the maximum on voice channels.
         constexpr u64 max_voice_channels = 6;
 
@@ -397,7 +398,7 @@ void AudRenU::GetAudioRendererWorkBufferSize(Kernel::HLERequestContext& ctx) {
     };
 
     // Calculates the portion of the size related to the mix data (and the sorting thereof).
-    const auto calculate_mix_info_size = [](const AudioCore::AudioRendererParameter& params) {
+    const auto calculate_mix_info_size = [](const AudioCommon::AudioRendererParameter& params) {
         // The size of the mixing info data structure.
         constexpr u64 mix_info_size = 0x940;
 
@@ -447,7 +448,7 @@ void AudRenU::GetAudioRendererWorkBufferSize(Kernel::HLERequestContext& ctx) {
     };
 
     // Calculates the part of the size related to voice channel info.
-    const auto calculate_voice_info_size = [](const AudioCore::AudioRendererParameter& params) {
+    const auto calculate_voice_info_size = [](const AudioCommon::AudioRendererParameter& params) {
         constexpr u64 voice_info_size = 0x220;
         constexpr u64 voice_resource_size = 0xD0;
 
@@ -461,7 +462,7 @@ void AudRenU::GetAudioRendererWorkBufferSize(Kernel::HLERequestContext& ctx) {
     };
 
     // Calculates the part of the size related to memory pools.
-    const auto calculate_memory_pools_size = [](const AudioCore::AudioRendererParameter& params) {
+    const auto calculate_memory_pools_size = [](const AudioCommon::AudioRendererParameter& params) {
         const u64 num_memory_pools = sizeof(s32) * (u64{params.effect_count} + params.voice_count);
         const u64 memory_pool_info_size = 0x20;
         return Common::AlignUp(num_memory_pools * memory_pool_info_size, info_field_alignment_size);
@@ -469,7 +470,7 @@ void AudRenU::GetAudioRendererWorkBufferSize(Kernel::HLERequestContext& ctx) {
 
     // Calculates the part of the size related to the splitter context.
     const auto calculate_splitter_context_size =
-        [](const AudioCore::AudioRendererParameter& params) -> u64 {
+        [](const AudioCommon::AudioRendererParameter& params) -> u64 {
         if (!IsFeatureSupported(AudioFeatures::Splitter, params.revision)) {
             return 0;
         }
@@ -488,27 +489,29 @@ void AudRenU::GetAudioRendererWorkBufferSize(Kernel::HLERequestContext& ctx) {
     };
 
     // Calculates the part of the size related to the upsampler info.
-    const auto calculate_upsampler_info_size = [](const AudioCore::AudioRendererParameter& params) {
-        constexpr u64 upsampler_info_size = 0x280;
-        // Yes, using the buffer size over info alignment size is intentional here.
-        return Common::AlignUp(upsampler_info_size * (u64{params.submix_count} + params.sink_count),
-                               buffer_alignment_size);
-    };
+    const auto calculate_upsampler_info_size =
+        [](const AudioCommon::AudioRendererParameter& params) {
+            constexpr u64 upsampler_info_size = 0x280;
+            // Yes, using the buffer size over info alignment size is intentional here.
+            return Common::AlignUp(upsampler_info_size *
+                                       (u64{params.submix_count} + params.sink_count),
+                                   buffer_alignment_size);
+        };
 
     // Calculates the part of the size related to effect info.
-    const auto calculate_effect_info_size = [](const AudioCore::AudioRendererParameter& params) {
+    const auto calculate_effect_info_size = [](const AudioCommon::AudioRendererParameter& params) {
         constexpr u64 effect_info_size = 0x2B0;
         return Common::AlignUp(effect_info_size * params.effect_count, info_field_alignment_size);
     };
 
     // Calculates the part of the size related to audio sink info.
-    const auto calculate_sink_info_size = [](const AudioCore::AudioRendererParameter& params) {
+    const auto calculate_sink_info_size = [](const AudioCommon::AudioRendererParameter& params) {
         const u64 sink_info_size = 0x170;
         return Common::AlignUp(sink_info_size * params.sink_count, info_field_alignment_size);
     };
 
     // Calculates the part of the size related to voice state info.
-    const auto calculate_voice_state_size = [](const AudioCore::AudioRendererParameter& params) {
+    const auto calculate_voice_state_size = [](const AudioCommon::AudioRendererParameter& params) {
         const u64 voice_state_size = 0x100;
         const u64 additional_size = buffer_alignment_size - 1;
         return Common::AlignUp(voice_state_size * params.voice_count + additional_size,
@@ -516,7 +519,7 @@ void AudRenU::GetAudioRendererWorkBufferSize(Kernel::HLERequestContext& ctx) {
     };
 
     // Calculates the part of the size related to performance statistics.
-    const auto calculate_perf_size = [](const AudioCore::AudioRendererParameter& params) {
+    const auto calculate_perf_size = [](const AudioCommon::AudioRendererParameter& params) {
         // Extra size value appended to the end of the calculation.
         constexpr u64 appended = 128;
 
@@ -543,79 +546,81 @@ void AudRenU::GetAudioRendererWorkBufferSize(Kernel::HLERequestContext& ctx) {
     };
 
     // Calculates the part of the size that relates to the audio command buffer.
-    const auto calculate_command_buffer_size = [](const AudioCore::AudioRendererParameter& params) {
-        constexpr u64 alignment = (buffer_alignment_size - 1) * 2;
+    const auto calculate_command_buffer_size =
+        [](const AudioCommon::AudioRendererParameter& params) {
+            constexpr u64 alignment = (buffer_alignment_size - 1) * 2;
 
-        if (!IsFeatureSupported(AudioFeatures::VariadicCommandBuffer, params.revision)) {
-            constexpr u64 command_buffer_size = 0x18000;
+            if (!IsFeatureSupported(AudioFeatures::VariadicCommandBuffer, params.revision)) {
+                constexpr u64 command_buffer_size = 0x18000;
 
-            return command_buffer_size + alignment;
-        }
+                return command_buffer_size + alignment;
+            }
 
-        // When the variadic command buffer is supported, this means
-        // the command generator for the audio renderer can issue commands
-        // that are (as one would expect), variable in size. So what we need to do
-        // is determine the maximum possible size for a few command data structures
-        // then multiply them by the amount of present commands indicated by the given
-        // respective audio parameters.
+            // When the variadic command buffer is supported, this means
+            // the command generator for the audio renderer can issue commands
+            // that are (as one would expect), variable in size. So what we need to do
+            // is determine the maximum possible size for a few command data structures
+            // then multiply them by the amount of present commands indicated by the given
+            // respective audio parameters.
 
-        constexpr u64 max_biquad_filters = 2;
-        constexpr u64 max_mix_buffers = 24;
+            constexpr u64 max_biquad_filters = 2;
+            constexpr u64 max_mix_buffers = 24;
 
-        constexpr u64 biquad_filter_command_size = 0x2C;
+            constexpr u64 biquad_filter_command_size = 0x2C;
 
-        constexpr u64 depop_mix_command_size = 0x24;
-        constexpr u64 depop_setup_command_size = 0x50;
+            constexpr u64 depop_mix_command_size = 0x24;
+            constexpr u64 depop_setup_command_size = 0x50;
 
-        constexpr u64 effect_command_max_size = 0x540;
+            constexpr u64 effect_command_max_size = 0x540;
 
-        constexpr u64 mix_command_size = 0x1C;
-        constexpr u64 mix_ramp_command_size = 0x24;
-        constexpr u64 mix_ramp_grouped_command_size = 0x13C;
+            constexpr u64 mix_command_size = 0x1C;
+            constexpr u64 mix_ramp_command_size = 0x24;
+            constexpr u64 mix_ramp_grouped_command_size = 0x13C;
 
-        constexpr u64 perf_command_size = 0x28;
+            constexpr u64 perf_command_size = 0x28;
 
-        constexpr u64 sink_command_size = 0x130;
+            constexpr u64 sink_command_size = 0x130;
 
-        constexpr u64 submix_command_max_size =
-            depop_mix_command_size + (mix_command_size * max_mix_buffers) * max_mix_buffers;
+            constexpr u64 submix_command_max_size =
+                depop_mix_command_size + (mix_command_size * max_mix_buffers) * max_mix_buffers;
 
-        constexpr u64 volume_command_size = 0x1C;
-        constexpr u64 volume_ramp_command_size = 0x20;
+            constexpr u64 volume_command_size = 0x1C;
+            constexpr u64 volume_ramp_command_size = 0x20;
 
-        constexpr u64 voice_biquad_filter_command_size =
-            biquad_filter_command_size * max_biquad_filters;
-        constexpr u64 voice_data_command_size = 0x9C;
-        const u64 voice_command_max_size =
-            (params.splitter_count * depop_setup_command_size) +
-            (voice_data_command_size + voice_biquad_filter_command_size + volume_ramp_command_size +
-             mix_ramp_grouped_command_size);
+            constexpr u64 voice_biquad_filter_command_size =
+                biquad_filter_command_size * max_biquad_filters;
+            constexpr u64 voice_data_command_size = 0x9C;
+            const u64 voice_command_max_size =
+                (params.splitter_count * depop_setup_command_size) +
+                (voice_data_command_size + voice_biquad_filter_command_size +
+                 volume_ramp_command_size + mix_ramp_grouped_command_size);
 
-        // Now calculate the individual elements that comprise the size and add them together.
-        const u64 effect_commands_size = params.effect_count * effect_command_max_size;
+            // Now calculate the individual elements that comprise the size and add them together.
+            const u64 effect_commands_size = params.effect_count * effect_command_max_size;
 
-        const u64 final_mix_commands_size =
-            depop_mix_command_size + volume_command_size * max_mix_buffers;
+            const u64 final_mix_commands_size =
+                depop_mix_command_size + volume_command_size * max_mix_buffers;
 
-        const u64 perf_commands_size =
-            perf_command_size * (CalculateNumPerformanceEntries(params) + max_perf_detail_entries);
+            const u64 perf_commands_size =
+                perf_command_size *
+                (CalculateNumPerformanceEntries(params) + max_perf_detail_entries);
 
-        const u64 sink_commands_size = params.sink_count * sink_command_size;
+            const u64 sink_commands_size = params.sink_count * sink_command_size;
 
-        const u64 splitter_commands_size =
-            params.num_splitter_send_channels * max_mix_buffers * mix_ramp_command_size;
+            const u64 splitter_commands_size =
+                params.num_splitter_send_channels * max_mix_buffers * mix_ramp_command_size;
 
-        const u64 submix_commands_size = params.submix_count * submix_command_max_size;
+            const u64 submix_commands_size = params.submix_count * submix_command_max_size;
 
-        const u64 voice_commands_size = params.voice_count * voice_command_max_size;
+            const u64 voice_commands_size = params.voice_count * voice_command_max_size;
 
-        return effect_commands_size + final_mix_commands_size + perf_commands_size +
-               sink_commands_size + splitter_commands_size + submix_commands_size +
-               voice_commands_size + alignment;
-    };
+            return effect_commands_size + final_mix_commands_size + perf_commands_size +
+                   sink_commands_size + splitter_commands_size + submix_commands_size +
+                   voice_commands_size + alignment;
+        };
 
     IPC::RequestParser rp{ctx};
-    const auto params = rp.PopRaw<AudioCore::AudioRendererParameter>();
+    const auto params = rp.PopRaw<AudioCommon::AudioRendererParameter>();
 
     u64 size = 0;
     size += calculate_mix_buffer_sizes(params);
@@ -681,7 +686,7 @@ void AudRenU::GetAudioDeviceServiceWithRevisionInfo(Kernel::HLERequestContext& c
 
 void AudRenU::OpenAudioRendererImpl(Kernel::HLERequestContext& ctx) {
     IPC::RequestParser rp{ctx};
-    const auto params = rp.PopRaw<AudioCore::AudioRendererParameter>();
+    const auto params = rp.PopRaw<AudioCommon::AudioRendererParameter>();
     IPC::ResponseBuilder rb{ctx, 2, 0, 1};
 
     rb.Push(RESULT_SUCCESS);
diff --git a/src/core/hle/service/audio/hwopus.cpp b/src/core/hle/service/audio/hwopus.cpp
index d19513cbb..f1d81602c 100644
--- a/src/core/hle/service/audio/hwopus.cpp
+++ b/src/core/hle/service/audio/hwopus.cpp
@@ -92,7 +92,7 @@ private:
         if (performance) {
             rb.Push<u64>(*performance);
         }
-        ctx.WriteBuffer(samples.data(), samples.size() * sizeof(s16));
+        ctx.WriteBuffer(samples);
     }
 
     bool DecodeOpusData(u32& consumed, u32& sample_count, const std::vector<u8>& input,
diff --git a/src/core/hle/service/bcat/backend/boxcat.cpp b/src/core/hle/service/bcat/backend/boxcat.cpp
index d29e78d7e..ca021a99f 100644
--- a/src/core/hle/service/bcat/backend/boxcat.cpp
+++ b/src/core/hle/service/bcat/backend/boxcat.cpp
@@ -89,12 +89,12 @@ constexpr u32 TIMEOUT_SECONDS = 30;
 
 std::string GetBINFilePath(u64 title_id) {
     return fmt::format("{}bcat/{:016X}/launchparam.bin",
-                       FileUtil::GetUserPath(FileUtil::UserPath::CacheDir), title_id);
+                       Common::FS::GetUserPath(Common::FS::UserPath::CacheDir), title_id);
 }
 
 std::string GetZIPFilePath(u64 title_id) {
     return fmt::format("{}bcat/{:016X}/data.zip",
-                       FileUtil::GetUserPath(FileUtil::UserPath::CacheDir), title_id);
+                       Common::FS::GetUserPath(Common::FS::UserPath::CacheDir), title_id);
 }
 
 // If the error is something the user should know about (build ID mismatch, bad client version),
@@ -205,8 +205,8 @@ private:
             {std::string("Game-Build-Id"), fmt::format("{:016X}", build_id)},
         };
 
-        if (FileUtil::Exists(path)) {
-            FileUtil::IOFile file{path, "rb"};
+        if (Common::FS::Exists(path)) {
+            Common::FS::IOFile file{path, "rb"};
             if (file.IsOpen()) {
                 std::vector<u8> bytes(file.GetSize());
                 file.ReadBytes(bytes.data(), bytes.size());
@@ -236,8 +236,8 @@ private:
             return DownloadResult::InvalidContentType;
         }
 
-        FileUtil::CreateFullPath(path);
-        FileUtil::IOFile file{path, "wb"};
+        Common::FS::CreateFullPath(path);
+        Common::FS::IOFile file{path, "wb"};
         if (!file.IsOpen())
             return DownloadResult::GeneralFSError;
         if (!file.Resize(response->body.size()))
@@ -290,7 +290,7 @@ void SynchronizeInternal(AM::Applets::AppletManager& applet_manager, DirectoryGe
         LOG_ERROR(Service_BCAT, "Boxcat synchronization failed with error '{}'!", res);
 
         if (res == DownloadResult::NoMatchBuildId || res == DownloadResult::NoMatchTitleId) {
-            FileUtil::Delete(zip_path);
+            Common::FS::Delete(zip_path);
         }
 
         HandleDownloadDisplayResult(applet_manager, res);
@@ -300,7 +300,7 @@ void SynchronizeInternal(AM::Applets::AppletManager& applet_manager, DirectoryGe
 
     progress.StartProcessingDataList();
 
-    FileUtil::IOFile zip{zip_path, "rb"};
+    Common::FS::IOFile zip{zip_path, "rb"};
     const auto size = zip.GetSize();
     std::vector<u8> bytes(size);
     if (!zip.IsOpen() || size == 0 || zip.ReadBytes(bytes.data(), bytes.size()) != bytes.size()) {
@@ -365,8 +365,7 @@ bool Boxcat::Synchronize(TitleIDVersion title, ProgressServiceBackend& progress)
 
     std::thread([this, title, &progress] {
         SynchronizeInternal(applet_manager, dir_getter, title, progress);
-    })
-        .detach();
+    }).detach();
 
     return true;
 }
@@ -377,8 +376,7 @@ bool Boxcat::SynchronizeDirectory(TitleIDVersion title, std::string name,
 
     std::thread([this, title, name, &progress] {
         SynchronizeInternal(applet_manager, dir_getter, title, progress, name);
-    })
-        .detach();
+    }).detach();
 
     return true;
 }
@@ -422,7 +420,7 @@ std::optional<std::vector<u8>> Boxcat::GetLaunchParameter(TitleIDVersion title)
             LOG_ERROR(Service_BCAT, "Boxcat synchronization failed with error '{}'!", res);
 
             if (res == DownloadResult::NoMatchBuildId || res == DownloadResult::NoMatchTitleId) {
-                FileUtil::Delete(path);
+                Common::FS::Delete(path);
             }
 
             HandleDownloadDisplayResult(applet_manager, res);
@@ -430,7 +428,7 @@ std::optional<std::vector<u8>> Boxcat::GetLaunchParameter(TitleIDVersion title)
         }
     }
 
-    FileUtil::IOFile bin{path, "rb"};
+    Common::FS::IOFile bin{path, "rb"};
     const auto size = bin.GetSize();
     std::vector<u8> bytes(size);
     if (!bin.IsOpen() || size == 0 || bin.ReadBytes(bytes.data(), bytes.size()) != bytes.size()) {
diff --git a/src/core/hle/service/bcat/module.cpp b/src/core/hle/service/bcat/module.cpp
index 603b64d4f..db0e06ca1 100644
--- a/src/core/hle/service/bcat/module.cpp
+++ b/src/core/hle/service/bcat/module.cpp
@@ -112,7 +112,7 @@ private:
     void GetImpl(Kernel::HLERequestContext& ctx) {
         LOG_DEBUG(Service_BCAT, "called");
 
-        ctx.WriteBuffer(&impl, sizeof(DeliveryCacheProgressImpl));
+        ctx.WriteBuffer(impl);
 
         IPC::ResponseBuilder rb{ctx, 2};
         rb.Push(RESULT_SUCCESS);
diff --git a/src/core/hle/service/caps/caps_c.cpp b/src/core/hle/service/caps/caps_c.cpp
index ab17a187e..a0ee116fa 100644
--- a/src/core/hle/service/caps/caps_c.cpp
+++ b/src/core/hle/service/caps/caps_c.cpp
@@ -2,6 +2,8 @@
 // Licensed under GPLv2 or any later version
 // Refer to the license.txt file included.
 
+#include "common/logging/log.h"
+#include "core/hle/ipc_helpers.h"
 #include "core/hle/service/caps/caps_c.h"
 
 namespace Service::Capture {
@@ -47,7 +49,7 @@ CAPS_C::CAPS_C() : ServiceFramework("caps:c") {
     static const FunctionInfo functions[] = {
         {1, nullptr, "CaptureRawImage"},
         {2, nullptr, "CaptureRawImageWithTimeout"},
-        {33, nullptr, "Unknown33"},
+        {33, &CAPS_C::SetShimLibraryVersion, "SetShimLibraryVersion"},
         {1001, nullptr, "RequestTakingScreenShot"},
         {1002, nullptr, "RequestTakingScreenShotWithTimeout"},
         {1011, nullptr, "NotifyTakingScreenShotRefused"},
@@ -72,4 +74,16 @@ CAPS_C::CAPS_C() : ServiceFramework("caps:c") {
 
 CAPS_C::~CAPS_C() = default;
 
+void CAPS_C::SetShimLibraryVersion(Kernel::HLERequestContext& ctx) {
+    IPC::RequestParser rp{ctx};
+    const auto library_version{rp.Pop<u64>()};
+    const auto applet_resource_user_id{rp.Pop<u64>()};
+
+    LOG_WARNING(Service_Capture, "(STUBBED) called. library_version={}, applet_resource_user_id={}",
+                library_version, applet_resource_user_id);
+
+    IPC::ResponseBuilder rb{ctx, 2};
+    rb.Push(RESULT_SUCCESS);
+}
+
 } // namespace Service::Capture
diff --git a/src/core/hle/service/caps/caps_c.h b/src/core/hle/service/caps/caps_c.h
index a9d028689..b110301d4 100644
--- a/src/core/hle/service/caps/caps_c.h
+++ b/src/core/hle/service/caps/caps_c.h
@@ -16,6 +16,9 @@ class CAPS_C final : public ServiceFramework<CAPS_C> {
 public:
     explicit CAPS_C();
     ~CAPS_C() override;
+
+private:
+    void SetShimLibraryVersion(Kernel::HLERequestContext& ctx);
 };
 
 } // namespace Service::Capture
diff --git a/src/core/hle/service/caps/caps_su.cpp b/src/core/hle/service/caps/caps_su.cpp
index fffb2ecf9..e386470f7 100644
--- a/src/core/hle/service/caps/caps_su.cpp
+++ b/src/core/hle/service/caps/caps_su.cpp
@@ -25,7 +25,12 @@ CAPS_SU::CAPS_SU() : ServiceFramework("caps:su") {
 CAPS_SU::~CAPS_SU() = default;
 
 void CAPS_SU::SetShimLibraryVersion(Kernel::HLERequestContext& ctx) {
-    LOG_WARNING(Service_Capture, "(STUBBED) called");
+    IPC::RequestParser rp{ctx};
+    const auto library_version{rp.Pop<u64>()};
+    const auto applet_resource_user_id{rp.Pop<u64>()};
+
+    LOG_WARNING(Service_Capture, "(STUBBED) called. library_version={}, applet_resource_user_id={}",
+                library_version, applet_resource_user_id);
 
     IPC::ResponseBuilder rb{ctx, 2};
     rb.Push(RESULT_SUCCESS);
diff --git a/src/core/hle/service/caps/caps_u.cpp b/src/core/hle/service/caps/caps_u.cpp
index f36d8de2d..8e2b83629 100644
--- a/src/core/hle/service/caps/caps_u.cpp
+++ b/src/core/hle/service/caps/caps_u.cpp
@@ -31,8 +31,7 @@ public:
 CAPS_U::CAPS_U() : ServiceFramework("caps:u") {
     // clang-format off
     static const FunctionInfo functions[] = {
-        {31, nullptr, "GetShimLibraryVersion"},
-        {32, nullptr, "SetShimLibraryVersion"},
+        {32, &CAPS_U::SetShimLibraryVersion, "SetShimLibraryVersion"},
         {102, &CAPS_U::GetAlbumContentsFileListForApplication, "GetAlbumContentsFileListForApplication"},
         {103, nullptr, "DeleteAlbumContentsFileForApplication"},
         {104, nullptr, "GetAlbumContentsFileSizeForApplication"},
@@ -53,6 +52,18 @@ CAPS_U::CAPS_U() : ServiceFramework("caps:u") {
 
 CAPS_U::~CAPS_U() = default;
 
+void CAPS_U::SetShimLibraryVersion(Kernel::HLERequestContext& ctx) {
+    IPC::RequestParser rp{ctx};
+    const auto library_version{rp.Pop<u64>()};
+    const auto applet_resource_user_id{rp.Pop<u64>()};
+
+    LOG_WARNING(Service_Capture, "(STUBBED) called. library_version={}, applet_resource_user_id={}",
+                library_version, applet_resource_user_id);
+
+    IPC::ResponseBuilder rb{ctx, 2};
+    rb.Push(RESULT_SUCCESS);
+}
+
 void CAPS_U::GetAlbumContentsFileListForApplication(Kernel::HLERequestContext& ctx) {
     // Takes a type-0x6 output buffer containing an array of ApplicationAlbumFileEntry, a PID, an
     // u8 ContentType, two s64s, and an u64 AppletResourceUserId. Returns an output u64 for total
diff --git a/src/core/hle/service/caps/caps_u.h b/src/core/hle/service/caps/caps_u.h
index 689364de4..e04e56bbc 100644
--- a/src/core/hle/service/caps/caps_u.h
+++ b/src/core/hle/service/caps/caps_u.h
@@ -18,6 +18,7 @@ public:
     ~CAPS_U() override;
 
 private:
+    void SetShimLibraryVersion(Kernel::HLERequestContext& ctx);
     void GetAlbumContentsFileListForApplication(Kernel::HLERequestContext& ctx);
 };
 
diff --git a/src/core/hle/service/es/es.cpp b/src/core/hle/service/es/es.cpp
index a41c73c48..c2737a365 100644
--- a/src/core/hle/service/es/es.cpp
+++ b/src/core/hle/service/es/es.cpp
@@ -160,7 +160,7 @@ private:
             return;
         }
 
-        ctx.WriteBuffer(key.data(), key.size());
+        ctx.WriteBuffer(key);
 
         IPC::ResponseBuilder rb{ctx, 2};
         rb.Push(RESULT_SUCCESS);
diff --git a/src/core/hle/service/filesystem/filesystem.cpp b/src/core/hle/service/filesystem/filesystem.cpp
index cadc03805..54a5fb84b 100644
--- a/src/core/hle/service/filesystem/filesystem.cpp
+++ b/src/core/hle/service/filesystem/filesystem.cpp
@@ -36,7 +36,7 @@ constexpr u64 SUFFICIENT_SAVE_DATA_SIZE = 0xF0000000;
 
 static FileSys::VirtualDir GetDirectoryRelativeWrapped(FileSys::VirtualDir base,
                                                        std::string_view dir_name_) {
-    std::string dir_name(FileUtil::SanitizePath(dir_name_));
+    std::string dir_name(Common::FS::SanitizePath(dir_name_));
     if (dir_name.empty() || dir_name == "." || dir_name == "/" || dir_name == "\\")
         return base;
 
@@ -53,9 +53,13 @@ std::string VfsDirectoryServiceWrapper::GetName() const {
 }
 
 ResultCode VfsDirectoryServiceWrapper::CreateFile(const std::string& path_, u64 size) const {
-    std::string path(FileUtil::SanitizePath(path_));
-    auto dir = GetDirectoryRelativeWrapped(backing, FileUtil::GetParentPath(path));
-    auto file = dir->CreateFile(FileUtil::GetFilename(path));
+    std::string path(Common::FS::SanitizePath(path_));
+    auto dir = GetDirectoryRelativeWrapped(backing, Common::FS::GetParentPath(path));
+    // dir can be nullptr if path contains subdirectories, create those prior to creating the file.
+    if (dir == nullptr) {
+        dir = backing->CreateSubdirectory(Common::FS::GetParentPath(path));
+    }
+    auto file = dir->CreateFile(Common::FS::GetFilename(path));
     if (file == nullptr) {
         // TODO(DarkLordZach): Find a better error code for this
         return RESULT_UNKNOWN;
@@ -68,17 +72,17 @@ ResultCode VfsDirectoryServiceWrapper::CreateFile(const std::string& path_, u64
 }
 
 ResultCode VfsDirectoryServiceWrapper::DeleteFile(const std::string& path_) const {
-    std::string path(FileUtil::SanitizePath(path_));
+    std::string path(Common::FS::SanitizePath(path_));
     if (path.empty()) {
         // TODO(DarkLordZach): Why do games call this and what should it do? Works as is but...
         return RESULT_SUCCESS;
     }
 
-    auto dir = GetDirectoryRelativeWrapped(backing, FileUtil::GetParentPath(path));
-    if (dir->GetFile(FileUtil::GetFilename(path)) == nullptr) {
+    auto dir = GetDirectoryRelativeWrapped(backing, Common::FS::GetParentPath(path));
+    if (dir->GetFile(Common::FS::GetFilename(path)) == nullptr) {
         return FileSys::ERROR_PATH_NOT_FOUND;
     }
-    if (!dir->DeleteFile(FileUtil::GetFilename(path))) {
+    if (!dir->DeleteFile(Common::FS::GetFilename(path))) {
         // TODO(DarkLordZach): Find a better error code for this
         return RESULT_UNKNOWN;
     }
@@ -87,11 +91,11 @@ ResultCode VfsDirectoryServiceWrapper::DeleteFile(const std::string& path_) cons
 }
 
 ResultCode VfsDirectoryServiceWrapper::CreateDirectory(const std::string& path_) const {
-    std::string path(FileUtil::SanitizePath(path_));
-    auto dir = GetDirectoryRelativeWrapped(backing, FileUtil::GetParentPath(path));
-    if (dir == nullptr && FileUtil::GetFilename(FileUtil::GetParentPath(path)).empty())
+    std::string path(Common::FS::SanitizePath(path_));
+    auto dir = GetDirectoryRelativeWrapped(backing, Common::FS::GetParentPath(path));
+    if (dir == nullptr && Common::FS::GetFilename(Common::FS::GetParentPath(path)).empty())
         dir = backing;
-    auto new_dir = dir->CreateSubdirectory(FileUtil::GetFilename(path));
+    auto new_dir = dir->CreateSubdirectory(Common::FS::GetFilename(path));
     if (new_dir == nullptr) {
         // TODO(DarkLordZach): Find a better error code for this
         return RESULT_UNKNOWN;
@@ -100,9 +104,9 @@ ResultCode VfsDirectoryServiceWrapper::CreateDirectory(const std::string& path_)
 }
 
 ResultCode VfsDirectoryServiceWrapper::DeleteDirectory(const std::string& path_) const {
-    std::string path(FileUtil::SanitizePath(path_));
-    auto dir = GetDirectoryRelativeWrapped(backing, FileUtil::GetParentPath(path));
-    if (!dir->DeleteSubdirectory(FileUtil::GetFilename(path))) {
+    std::string path(Common::FS::SanitizePath(path_));
+    auto dir = GetDirectoryRelativeWrapped(backing, Common::FS::GetParentPath(path));
+    if (!dir->DeleteSubdirectory(Common::FS::GetFilename(path))) {
         // TODO(DarkLordZach): Find a better error code for this
         return RESULT_UNKNOWN;
     }
@@ -110,9 +114,9 @@ ResultCode VfsDirectoryServiceWrapper::DeleteDirectory(const std::string& path_)
 }
 
 ResultCode VfsDirectoryServiceWrapper::DeleteDirectoryRecursively(const std::string& path_) const {
-    std::string path(FileUtil::SanitizePath(path_));
-    auto dir = GetDirectoryRelativeWrapped(backing, FileUtil::GetParentPath(path));
-    if (!dir->DeleteSubdirectoryRecursive(FileUtil::GetFilename(path))) {
+    std::string path(Common::FS::SanitizePath(path_));
+    auto dir = GetDirectoryRelativeWrapped(backing, Common::FS::GetParentPath(path));
+    if (!dir->DeleteSubdirectoryRecursive(Common::FS::GetFilename(path))) {
         // TODO(DarkLordZach): Find a better error code for this
         return RESULT_UNKNOWN;
     }
@@ -120,10 +124,10 @@ ResultCode VfsDirectoryServiceWrapper::DeleteDirectoryRecursively(const std::str
 }
 
 ResultCode VfsDirectoryServiceWrapper::CleanDirectoryRecursively(const std::string& path) const {
-    const std::string sanitized_path(FileUtil::SanitizePath(path));
-    auto dir = GetDirectoryRelativeWrapped(backing, FileUtil::GetParentPath(sanitized_path));
+    const std::string sanitized_path(Common::FS::SanitizePath(path));
+    auto dir = GetDirectoryRelativeWrapped(backing, Common::FS::GetParentPath(sanitized_path));
 
-    if (!dir->CleanSubdirectoryRecursive(FileUtil::GetFilename(sanitized_path))) {
+    if (!dir->CleanSubdirectoryRecursive(Common::FS::GetFilename(sanitized_path))) {
         // TODO(DarkLordZach): Find a better error code for this
         return RESULT_UNKNOWN;
     }
@@ -133,14 +137,14 @@ ResultCode VfsDirectoryServiceWrapper::CleanDirectoryRecursively(const std::stri
 
 ResultCode VfsDirectoryServiceWrapper::RenameFile(const std::string& src_path_,
                                                   const std::string& dest_path_) const {
-    std::string src_path(FileUtil::SanitizePath(src_path_));
-    std::string dest_path(FileUtil::SanitizePath(dest_path_));
+    std::string src_path(Common::FS::SanitizePath(src_path_));
+    std::string dest_path(Common::FS::SanitizePath(dest_path_));
     auto src = backing->GetFileRelative(src_path);
-    if (FileUtil::GetParentPath(src_path) == FileUtil::GetParentPath(dest_path)) {
+    if (Common::FS::GetParentPath(src_path) == Common::FS::GetParentPath(dest_path)) {
         // Use more-optimized vfs implementation rename.
         if (src == nullptr)
             return FileSys::ERROR_PATH_NOT_FOUND;
-        if (!src->Rename(FileUtil::GetFilename(dest_path))) {
+        if (!src->Rename(Common::FS::GetFilename(dest_path))) {
             // TODO(DarkLordZach): Find a better error code for this
             return RESULT_UNKNOWN;
         }
@@ -158,7 +162,7 @@ ResultCode VfsDirectoryServiceWrapper::RenameFile(const std::string& src_path_,
     ASSERT_MSG(dest->WriteBytes(src->ReadAllBytes()) == src->GetSize(),
                "Could not write all of the bytes but everything else has succeded.");
 
-    if (!src->GetContainingDirectory()->DeleteFile(FileUtil::GetFilename(src_path))) {
+    if (!src->GetContainingDirectory()->DeleteFile(Common::FS::GetFilename(src_path))) {
         // TODO(DarkLordZach): Find a better error code for this
         return RESULT_UNKNOWN;
     }
@@ -168,14 +172,14 @@ ResultCode VfsDirectoryServiceWrapper::RenameFile(const std::string& src_path_,
 
 ResultCode VfsDirectoryServiceWrapper::RenameDirectory(const std::string& src_path_,
                                                        const std::string& dest_path_) const {
-    std::string src_path(FileUtil::SanitizePath(src_path_));
-    std::string dest_path(FileUtil::SanitizePath(dest_path_));
+    std::string src_path(Common::FS::SanitizePath(src_path_));
+    std::string dest_path(Common::FS::SanitizePath(dest_path_));
     auto src = GetDirectoryRelativeWrapped(backing, src_path);
-    if (FileUtil::GetParentPath(src_path) == FileUtil::GetParentPath(dest_path)) {
+    if (Common::FS::GetParentPath(src_path) == Common::FS::GetParentPath(dest_path)) {
         // Use more-optimized vfs implementation rename.
         if (src == nullptr)
             return FileSys::ERROR_PATH_NOT_FOUND;
-        if (!src->Rename(FileUtil::GetFilename(dest_path))) {
+        if (!src->Rename(Common::FS::GetFilename(dest_path))) {
             // TODO(DarkLordZach): Find a better error code for this
             return RESULT_UNKNOWN;
         }
@@ -194,7 +198,7 @@ ResultCode VfsDirectoryServiceWrapper::RenameDirectory(const std::string& src_pa
 
 ResultVal<FileSys::VirtualFile> VfsDirectoryServiceWrapper::OpenFile(const std::string& path_,
                                                                      FileSys::Mode mode) const {
-    const std::string path(FileUtil::SanitizePath(path_));
+    const std::string path(Common::FS::SanitizePath(path_));
     std::string_view npath = path;
     while (!npath.empty() && (npath[0] == '/' || npath[0] == '\\')) {
         npath.remove_prefix(1);
@@ -214,7 +218,7 @@ ResultVal<FileSys::VirtualFile> VfsDirectoryServiceWrapper::OpenFile(const std::
 }
 
 ResultVal<FileSys::VirtualDir> VfsDirectoryServiceWrapper::OpenDirectory(const std::string& path_) {
-    std::string path(FileUtil::SanitizePath(path_));
+    std::string path(Common::FS::SanitizePath(path_));
     auto dir = GetDirectoryRelativeWrapped(backing, path);
     if (dir == nullptr) {
         // TODO(DarkLordZach): Find a better error code for this
@@ -225,11 +229,11 @@ ResultVal<FileSys::VirtualDir> VfsDirectoryServiceWrapper::OpenDirectory(const s
 
 ResultVal<FileSys::EntryType> VfsDirectoryServiceWrapper::GetEntryType(
     const std::string& path_) const {
-    std::string path(FileUtil::SanitizePath(path_));
-    auto dir = GetDirectoryRelativeWrapped(backing, FileUtil::GetParentPath(path));
+    std::string path(Common::FS::SanitizePath(path_));
+    auto dir = GetDirectoryRelativeWrapped(backing, Common::FS::GetParentPath(path));
     if (dir == nullptr)
         return FileSys::ERROR_PATH_NOT_FOUND;
-    auto filename = FileUtil::GetFilename(path);
+    auto filename = Common::FS::GetFilename(path);
     // TODO(Subv): Some games use the '/' path, find out what this means.
     if (filename.empty())
         return MakeResult(FileSys::EntryType::Directory);
@@ -307,7 +311,7 @@ ResultVal<FileSys::VirtualFile> FileSystemController::OpenRomFS(
 }
 
 ResultVal<FileSys::VirtualDir> FileSystemController::CreateSaveData(
-    FileSys::SaveDataSpaceId space, const FileSys::SaveDataDescriptor& save_struct) const {
+    FileSys::SaveDataSpaceId space, const FileSys::SaveDataAttribute& save_struct) const {
     LOG_TRACE(Service_FS, "Creating Save Data for space_id={:01X}, save_struct={}",
               static_cast<u8>(space), save_struct.DebugInfo());
 
@@ -319,15 +323,15 @@ ResultVal<FileSys::VirtualDir> FileSystemController::CreateSaveData(
 }
 
 ResultVal<FileSys::VirtualDir> FileSystemController::OpenSaveData(
-    FileSys::SaveDataSpaceId space, const FileSys::SaveDataDescriptor& descriptor) const {
+    FileSys::SaveDataSpaceId space, const FileSys::SaveDataAttribute& attribute) const {
     LOG_TRACE(Service_FS, "Opening Save Data for space_id={:01X}, save_struct={}",
-              static_cast<u8>(space), descriptor.DebugInfo());
+              static_cast<u8>(space), attribute.DebugInfo());
 
     if (save_data_factory == nullptr) {
         return FileSys::ERROR_ENTITY_NOT_FOUND;
     }
 
-    return save_data_factory->Open(space, descriptor);
+    return save_data_factory->Open(space, attribute);
 }
 
 ResultVal<FileSys::VirtualDir> FileSystemController::OpenSaveDataSpace(
@@ -375,7 +379,7 @@ ResultVal<FileSys::VirtualFile> FileSystemController::OpenBISPartitionStorage(
         return FileSys::ERROR_ENTITY_NOT_FOUND;
     }
 
-    auto part = bis_factory->OpenPartitionStorage(id);
+    auto part = bis_factory->OpenPartitionStorage(id, system.GetFilesystem());
     if (part == nullptr) {
         return FileSys::ERROR_INVALID_ARGUMENT;
     }
@@ -691,13 +695,13 @@ void FileSystemController::CreateFactories(FileSys::VfsFilesystem& vfs, bool ove
         sdmc_factory = nullptr;
     }
 
-    auto nand_directory = vfs.OpenDirectory(FileUtil::GetUserPath(FileUtil::UserPath::NANDDir),
+    auto nand_directory = vfs.OpenDirectory(Common::FS::GetUserPath(Common::FS::UserPath::NANDDir),
                                             FileSys::Mode::ReadWrite);
-    auto sd_directory = vfs.OpenDirectory(FileUtil::GetUserPath(FileUtil::UserPath::SDMCDir),
+    auto sd_directory = vfs.OpenDirectory(Common::FS::GetUserPath(Common::FS::UserPath::SDMCDir),
                                           FileSys::Mode::ReadWrite);
-    auto load_directory = vfs.OpenDirectory(FileUtil::GetUserPath(FileUtil::UserPath::LoadDir),
+    auto load_directory = vfs.OpenDirectory(Common::FS::GetUserPath(Common::FS::UserPath::LoadDir),
                                             FileSys::Mode::ReadWrite);
-    auto dump_directory = vfs.OpenDirectory(FileUtil::GetUserPath(FileUtil::UserPath::DumpDir),
+    auto dump_directory = vfs.OpenDirectory(Common::FS::GetUserPath(Common::FS::UserPath::DumpDir),
                                             FileSys::Mode::ReadWrite);
 
     if (bis_factory == nullptr) {
diff --git a/src/core/hle/service/filesystem/filesystem.h b/src/core/hle/service/filesystem/filesystem.h
index 1b0a6a949..6dbbf0b2b 100644
--- a/src/core/hle/service/filesystem/filesystem.h
+++ b/src/core/hle/service/filesystem/filesystem.h
@@ -31,7 +31,7 @@ enum class SaveDataSpaceId : u8;
 enum class SaveDataType : u8;
 enum class StorageId : u8;
 
-struct SaveDataDescriptor;
+struct SaveDataAttribute;
 struct SaveDataSize;
 } // namespace FileSys
 
@@ -69,9 +69,9 @@ public:
     ResultVal<FileSys::VirtualFile> OpenRomFS(u64 title_id, FileSys::StorageId storage_id,
                                               FileSys::ContentRecordType type) const;
     ResultVal<FileSys::VirtualDir> CreateSaveData(
-        FileSys::SaveDataSpaceId space, const FileSys::SaveDataDescriptor& save_struct) const;
+        FileSys::SaveDataSpaceId space, const FileSys::SaveDataAttribute& save_struct) const;
     ResultVal<FileSys::VirtualDir> OpenSaveData(
-        FileSys::SaveDataSpaceId space, const FileSys::SaveDataDescriptor& save_struct) const;
+        FileSys::SaveDataSpaceId space, const FileSys::SaveDataAttribute& save_struct) const;
     ResultVal<FileSys::VirtualDir> OpenSaveDataSpace(FileSys::SaveDataSpaceId space) const;
     ResultVal<FileSys::VirtualDir> OpenSDMC() const;
     ResultVal<FileSys::VirtualDir> OpenBISPartition(FileSys::BisPartitionId id) const;
diff --git a/src/core/hle/service/filesystem/fsp_srv.cpp b/src/core/hle/service/filesystem/fsp_srv.cpp
index 20c331b77..649128be4 100644
--- a/src/core/hle/service/filesystem/fsp_srv.cpp
+++ b/src/core/hle/service/filesystem/fsp_srv.cpp
@@ -696,8 +696,8 @@ FSP_SRV::FSP_SRV(FileSystemController& fsc, const Core::Reporter& reporter)
         {67, nullptr, "FindSaveDataWithFilter"},
         {68, nullptr, "OpenSaveDataInfoReaderBySaveDataFilter"},
         {69, nullptr, "ReadSaveDataFileSystemExtraDataBySaveDataAttribute"},
-        {70, nullptr, "WriteSaveDataFileSystemExtraDataBySaveDataAttribute"},
-        {71, nullptr, "ReadSaveDataFileSystemExtraDataWithMaskBySaveDataAttribute"},
+        {70, &FSP_SRV::WriteSaveDataFileSystemExtraDataBySaveDataAttribute, "WriteSaveDataFileSystemExtraDataBySaveDataAttribute"},
+        {71, &FSP_SRV::ReadSaveDataFileSystemExtraDataWithMaskBySaveDataAttribute, "ReadSaveDataFileSystemExtraDataWithMaskBySaveDataAttribute"},
         {80, nullptr, "OpenSaveDataMetaFile"},
         {81, nullptr, "OpenSaveDataTransferManager"},
         {82, nullptr, "OpenSaveDataTransferManagerVersion2"},
@@ -812,7 +812,7 @@ void FSP_SRV::OpenSdCardFileSystem(Kernel::HLERequestContext& ctx) {
 void FSP_SRV::CreateSaveDataFileSystem(Kernel::HLERequestContext& ctx) {
     IPC::RequestParser rp{ctx};
 
-    auto save_struct = rp.PopRaw<FileSys::SaveDataDescriptor>();
+    auto save_struct = rp.PopRaw<FileSys::SaveDataAttribute>();
     [[maybe_unused]] auto save_create_struct = rp.PopRaw<std::array<u8, 0x40>>();
     u128 uid = rp.PopRaw<u128>();
 
@@ -826,31 +826,40 @@ void FSP_SRV::CreateSaveDataFileSystem(Kernel::HLERequestContext& ctx) {
 }
 
 void FSP_SRV::OpenSaveDataFileSystem(Kernel::HLERequestContext& ctx) {
-    LOG_INFO(Service_FS, "called.");
+    IPC::RequestParser rp{ctx};
 
     struct Parameters {
-        FileSys::SaveDataSpaceId save_data_space_id;
-        FileSys::SaveDataDescriptor descriptor;
+        FileSys::SaveDataSpaceId space_id;
+        FileSys::SaveDataAttribute attribute;
     };
 
-    IPC::RequestParser rp{ctx};
     const auto parameters = rp.PopRaw<Parameters>();
 
-    auto dir = fsc.OpenSaveData(parameters.save_data_space_id, parameters.descriptor);
+    LOG_INFO(Service_FS, "called.");
+
+    auto dir = fsc.OpenSaveData(parameters.space_id, parameters.attribute);
     if (dir.Failed()) {
         IPC::ResponseBuilder rb{ctx, 2, 0, 0};
         rb.Push(FileSys::ERROR_ENTITY_NOT_FOUND);
         return;
     }
 
-    FileSys::StorageId id;
-    if (parameters.save_data_space_id == FileSys::SaveDataSpaceId::NandUser) {
+    FileSys::StorageId id{};
+    switch (parameters.space_id) {
+    case FileSys::SaveDataSpaceId::NandUser:
         id = FileSys::StorageId::NandUser;
-    } else if (parameters.save_data_space_id == FileSys::SaveDataSpaceId::SdCardSystem ||
-               parameters.save_data_space_id == FileSys::SaveDataSpaceId::SdCardUser) {
+        break;
+    case FileSys::SaveDataSpaceId::SdCardSystem:
+    case FileSys::SaveDataSpaceId::SdCardUser:
         id = FileSys::StorageId::SdCard;
-    } else {
+        break;
+    case FileSys::SaveDataSpaceId::NandSystem:
         id = FileSys::StorageId::NandSystem;
+        break;
+    case FileSys::SaveDataSpaceId::TemporaryStorage:
+    case FileSys::SaveDataSpaceId::ProperSystem:
+    case FileSys::SaveDataSpaceId::SafeMode:
+        UNREACHABLE();
     }
 
     auto filesystem =
@@ -876,22 +885,38 @@ void FSP_SRV::OpenSaveDataInfoReaderBySaveDataSpaceId(Kernel::HLERequestContext&
     rb.PushIpcInterface<ISaveDataInfoReader>(std::make_shared<ISaveDataInfoReader>(space, fsc));
 }
 
-void FSP_SRV::SetGlobalAccessLogMode(Kernel::HLERequestContext& ctx) {
-    IPC::RequestParser rp{ctx};
-    log_mode = rp.PopEnum<LogMode>();
-
-    LOG_DEBUG(Service_FS, "called, log_mode={:08X}", static_cast<u32>(log_mode));
+void FSP_SRV::WriteSaveDataFileSystemExtraDataBySaveDataAttribute(Kernel::HLERequestContext& ctx) {
+    LOG_WARNING(Service_FS, "(STUBBED) called.");
 
     IPC::ResponseBuilder rb{ctx, 2};
     rb.Push(RESULT_SUCCESS);
 }
 
-void FSP_SRV::GetGlobalAccessLogMode(Kernel::HLERequestContext& ctx) {
-    LOG_DEBUG(Service_FS, "called");
+void FSP_SRV::ReadSaveDataFileSystemExtraDataWithMaskBySaveDataAttribute(
+    Kernel::HLERequestContext& ctx) {
+    IPC::RequestParser rp{ctx};
+
+    struct Parameters {
+        FileSys::SaveDataSpaceId space_id;
+        FileSys::SaveDataAttribute attribute;
+    };
+
+    const auto parameters = rp.PopRaw<Parameters>();
+    // Stub this to None for now, backend needs an impl to read/write the SaveDataExtraData
+    constexpr auto flags = static_cast<u32>(FileSys::SaveDataFlags::None);
+
+    LOG_WARNING(Service_FS,
+                "(STUBBED) called, flags={}, space_id={}, attribute.title_id={:016X}\n"
+                "attribute.user_id={:016X}{:016X}, attribute.save_id={:016X}\n"
+                "attribute.type={}, attribute.rank={}, attribute.index={}",
+                flags, static_cast<u32>(parameters.space_id), parameters.attribute.title_id,
+                parameters.attribute.user_id[1], parameters.attribute.user_id[0],
+                parameters.attribute.save_id, static_cast<u32>(parameters.attribute.type),
+                static_cast<u32>(parameters.attribute.rank), parameters.attribute.index);
 
     IPC::ResponseBuilder rb{ctx, 3};
     rb.Push(RESULT_SUCCESS);
-    rb.PushEnum(log_mode);
+    rb.Push(flags);
 }
 
 void FSP_SRV::OpenDataStorageByCurrentProcess(Kernel::HLERequestContext& ctx) {
@@ -966,6 +991,24 @@ void FSP_SRV::OpenPatchDataStorageByCurrentProcess(Kernel::HLERequestContext& ct
     rb.Push(FileSys::ERROR_ENTITY_NOT_FOUND);
 }
 
+void FSP_SRV::SetGlobalAccessLogMode(Kernel::HLERequestContext& ctx) {
+    IPC::RequestParser rp{ctx};
+    log_mode = rp.PopEnum<LogMode>();
+
+    LOG_DEBUG(Service_FS, "called, log_mode={:08X}", static_cast<u32>(log_mode));
+
+    IPC::ResponseBuilder rb{ctx, 2};
+    rb.Push(RESULT_SUCCESS);
+}
+
+void FSP_SRV::GetGlobalAccessLogMode(Kernel::HLERequestContext& ctx) {
+    LOG_DEBUG(Service_FS, "called");
+
+    IPC::ResponseBuilder rb{ctx, 3};
+    rb.Push(RESULT_SUCCESS);
+    rb.PushEnum(log_mode);
+}
+
 void FSP_SRV::OutputAccessLogToSdCard(Kernel::HLERequestContext& ctx) {
     const auto raw = ctx.ReadBuffer();
     auto log = Common::StringFromFixedZeroTerminatedBuffer(
diff --git a/src/core/hle/service/filesystem/fsp_srv.h b/src/core/hle/service/filesystem/fsp_srv.h
index dfb3e395b..4964e874e 100644
--- a/src/core/hle/service/filesystem/fsp_srv.h
+++ b/src/core/hle/service/filesystem/fsp_srv.h
@@ -43,11 +43,13 @@ private:
     void OpenSaveDataFileSystem(Kernel::HLERequestContext& ctx);
     void OpenReadOnlySaveDataFileSystem(Kernel::HLERequestContext& ctx);
     void OpenSaveDataInfoReaderBySaveDataSpaceId(Kernel::HLERequestContext& ctx);
-    void SetGlobalAccessLogMode(Kernel::HLERequestContext& ctx);
-    void GetGlobalAccessLogMode(Kernel::HLERequestContext& ctx);
+    void WriteSaveDataFileSystemExtraDataBySaveDataAttribute(Kernel::HLERequestContext& ctx);
+    void ReadSaveDataFileSystemExtraDataWithMaskBySaveDataAttribute(Kernel::HLERequestContext& ctx);
     void OpenDataStorageByCurrentProcess(Kernel::HLERequestContext& ctx);
     void OpenDataStorageByDataId(Kernel::HLERequestContext& ctx);
     void OpenPatchDataStorageByCurrentProcess(Kernel::HLERequestContext& ctx);
+    void SetGlobalAccessLogMode(Kernel::HLERequestContext& ctx);
+    void GetGlobalAccessLogMode(Kernel::HLERequestContext& ctx);
     void OutputAccessLogToSdCard(Kernel::HLERequestContext& ctx);
     void GetAccessLogVersionInfo(Kernel::HLERequestContext& ctx);
     void OpenMultiCommitManager(Kernel::HLERequestContext& ctx);
diff --git a/src/core/hle/service/hid/controllers/controller_base.h b/src/core/hle/service/hid/controllers/controller_base.h
index 8bc69c372..f47a9e61c 100644
--- a/src/core/hle/service/hid/controllers/controller_base.h
+++ b/src/core/hle/service/hid/controllers/controller_base.h
@@ -31,6 +31,10 @@ public:
     virtual void OnUpdate(const Core::Timing::CoreTiming& core_timing, u8* data,
                           std::size_t size) = 0;
 
+    // When the controller is requesting a motion update for the shared memory
+    virtual void OnMotionUpdate(const Core::Timing::CoreTiming& core_timing, u8* data,
+                                std::size_t size) {}
+
     // Called when input devices should be loaded
     virtual void OnLoadInputDevices() = 0;
 
diff --git a/src/core/hle/service/hid/controllers/debug_pad.cpp b/src/core/hle/service/hid/controllers/debug_pad.cpp
index cb35919e9..ad251ed4a 100644
--- a/src/core/hle/service/hid/controllers/debug_pad.cpp
+++ b/src/core/hle/service/hid/controllers/debug_pad.cpp
@@ -39,33 +39,36 @@ void Controller_DebugPad::OnUpdate(const Core::Timing::CoreTiming& core_timing,
 
     cur_entry.sampling_number = last_entry.sampling_number + 1;
     cur_entry.sampling_number2 = cur_entry.sampling_number;
-    cur_entry.attribute.connected.Assign(1);
-    auto& pad = cur_entry.pad_state;
 
-    using namespace Settings::NativeButton;
-    pad.a.Assign(buttons[A - BUTTON_HID_BEGIN]->GetStatus());
-    pad.b.Assign(buttons[B - BUTTON_HID_BEGIN]->GetStatus());
-    pad.x.Assign(buttons[X - BUTTON_HID_BEGIN]->GetStatus());
-    pad.y.Assign(buttons[Y - BUTTON_HID_BEGIN]->GetStatus());
-    pad.l.Assign(buttons[L - BUTTON_HID_BEGIN]->GetStatus());
-    pad.r.Assign(buttons[R - BUTTON_HID_BEGIN]->GetStatus());
-    pad.zl.Assign(buttons[ZL - BUTTON_HID_BEGIN]->GetStatus());
-    pad.zr.Assign(buttons[ZR - BUTTON_HID_BEGIN]->GetStatus());
-    pad.plus.Assign(buttons[Plus - BUTTON_HID_BEGIN]->GetStatus());
-    pad.minus.Assign(buttons[Minus - BUTTON_HID_BEGIN]->GetStatus());
-    pad.d_left.Assign(buttons[DLeft - BUTTON_HID_BEGIN]->GetStatus());
-    pad.d_up.Assign(buttons[DUp - BUTTON_HID_BEGIN]->GetStatus());
-    pad.d_right.Assign(buttons[DRight - BUTTON_HID_BEGIN]->GetStatus());
-    pad.d_down.Assign(buttons[DDown - BUTTON_HID_BEGIN]->GetStatus());
+    if (Settings::values.debug_pad_enabled) {
+        cur_entry.attribute.connected.Assign(1);
+        auto& pad = cur_entry.pad_state;
 
-    const auto [stick_l_x_f, stick_l_y_f] =
-        analogs[static_cast<std::size_t>(JoystickId::Joystick_Left)]->GetStatus();
-    const auto [stick_r_x_f, stick_r_y_f] =
-        analogs[static_cast<std::size_t>(JoystickId::Joystick_Right)]->GetStatus();
-    cur_entry.l_stick.x = static_cast<s32>(stick_l_x_f * HID_JOYSTICK_MAX);
-    cur_entry.l_stick.y = static_cast<s32>(stick_l_y_f * HID_JOYSTICK_MAX);
-    cur_entry.r_stick.x = static_cast<s32>(stick_r_x_f * HID_JOYSTICK_MAX);
-    cur_entry.r_stick.y = static_cast<s32>(stick_r_y_f * HID_JOYSTICK_MAX);
+        using namespace Settings::NativeButton;
+        pad.a.Assign(buttons[A - BUTTON_HID_BEGIN]->GetStatus());
+        pad.b.Assign(buttons[B - BUTTON_HID_BEGIN]->GetStatus());
+        pad.x.Assign(buttons[X - BUTTON_HID_BEGIN]->GetStatus());
+        pad.y.Assign(buttons[Y - BUTTON_HID_BEGIN]->GetStatus());
+        pad.l.Assign(buttons[L - BUTTON_HID_BEGIN]->GetStatus());
+        pad.r.Assign(buttons[R - BUTTON_HID_BEGIN]->GetStatus());
+        pad.zl.Assign(buttons[ZL - BUTTON_HID_BEGIN]->GetStatus());
+        pad.zr.Assign(buttons[ZR - BUTTON_HID_BEGIN]->GetStatus());
+        pad.plus.Assign(buttons[Plus - BUTTON_HID_BEGIN]->GetStatus());
+        pad.minus.Assign(buttons[Minus - BUTTON_HID_BEGIN]->GetStatus());
+        pad.d_left.Assign(buttons[DLeft - BUTTON_HID_BEGIN]->GetStatus());
+        pad.d_up.Assign(buttons[DUp - BUTTON_HID_BEGIN]->GetStatus());
+        pad.d_right.Assign(buttons[DRight - BUTTON_HID_BEGIN]->GetStatus());
+        pad.d_down.Assign(buttons[DDown - BUTTON_HID_BEGIN]->GetStatus());
+
+        const auto [stick_l_x_f, stick_l_y_f] =
+            analogs[static_cast<std::size_t>(JoystickId::Joystick_Left)]->GetStatus();
+        const auto [stick_r_x_f, stick_r_y_f] =
+            analogs[static_cast<std::size_t>(JoystickId::Joystick_Right)]->GetStatus();
+        cur_entry.l_stick.x = static_cast<s32>(stick_l_x_f * HID_JOYSTICK_MAX);
+        cur_entry.l_stick.y = static_cast<s32>(stick_l_y_f * HID_JOYSTICK_MAX);
+        cur_entry.r_stick.x = static_cast<s32>(stick_r_x_f * HID_JOYSTICK_MAX);
+        cur_entry.r_stick.y = static_cast<s32>(stick_r_y_f * HID_JOYSTICK_MAX);
+    }
 
     std::memcpy(data, &shared_memory, sizeof(SharedMemory));
 }
diff --git a/src/core/hle/service/hid/controllers/keyboard.cpp b/src/core/hle/service/hid/controllers/keyboard.cpp
index feae89525..0b896d5ad 100644
--- a/src/core/hle/service/hid/controllers/keyboard.cpp
+++ b/src/core/hle/service/hid/controllers/keyboard.cpp
@@ -40,15 +40,16 @@ void Controller_Keyboard::OnUpdate(const Core::Timing::CoreTiming& core_timing,
 
     cur_entry.key.fill(0);
     cur_entry.modifier = 0;
-
-    for (std::size_t i = 0; i < keyboard_keys.size(); ++i) {
-        cur_entry.key[i / KEYS_PER_BYTE] |= (keyboard_keys[i]->GetStatus() << (i % KEYS_PER_BYTE));
-    }
-
-    for (std::size_t i = 0; i < keyboard_mods.size(); ++i) {
-        cur_entry.modifier |= (keyboard_mods[i]->GetStatus() << i);
+    if (Settings::values.keyboard_enabled) {
+        for (std::size_t i = 0; i < keyboard_keys.size(); ++i) {
+            cur_entry.key[i / KEYS_PER_BYTE] |=
+                (keyboard_keys[i]->GetStatus() << (i % KEYS_PER_BYTE));
+        }
+
+        for (std::size_t i = 0; i < keyboard_mods.size(); ++i) {
+            cur_entry.modifier |= (keyboard_mods[i]->GetStatus() << i);
+        }
     }
-
     std::memcpy(data + SHARED_MEMORY_OFFSET, &shared_memory, sizeof(SharedMemory));
 }
 
diff --git a/src/core/hle/service/hid/controllers/npad.cpp b/src/core/hle/service/hid/controllers/npad.cpp
index ef67ad690..2de4ed348 100644
--- a/src/core/hle/service/hid/controllers/npad.cpp
+++ b/src/core/hle/service/hid/controllers/npad.cpp
@@ -24,6 +24,7 @@ constexpr s32 HID_JOYSTICK_MAX = 0x7fff;
 constexpr std::size_t NPAD_OFFSET = 0x9A00;
 constexpr u32 BATTERY_FULL = 2;
 constexpr u32 MAX_NPAD_ID = 7;
+constexpr std::size_t HANDHELD_INDEX = 8;
 constexpr std::array<u32, 10> npad_id_list{
     0, 1, 2, 3, 4, 5, 6, 7, NPAD_HANDHELD, NPAD_UNKNOWN,
 };
@@ -33,19 +34,41 @@ enum class JoystickId : std::size_t {
     Joystick_Right,
 };
 
-static Controller_NPad::NPadControllerType MapSettingsTypeToNPad(Settings::ControllerType type) {
+Controller_NPad::NPadControllerType Controller_NPad::MapSettingsTypeToNPad(
+    Settings::ControllerType type) {
     switch (type) {
     case Settings::ControllerType::ProController:
-        return Controller_NPad::NPadControllerType::ProController;
-    case Settings::ControllerType::DualJoycon:
-        return Controller_NPad::NPadControllerType::JoyDual;
+        return NPadControllerType::ProController;
+    case Settings::ControllerType::DualJoyconDetached:
+        return NPadControllerType::JoyDual;
     case Settings::ControllerType::LeftJoycon:
-        return Controller_NPad::NPadControllerType::JoyLeft;
+        return NPadControllerType::JoyLeft;
     case Settings::ControllerType::RightJoycon:
-        return Controller_NPad::NPadControllerType::JoyRight;
+        return NPadControllerType::JoyRight;
+    case Settings::ControllerType::Handheld:
+        return NPadControllerType::Handheld;
     default:
         UNREACHABLE();
-        return Controller_NPad::NPadControllerType::JoyDual;
+        return NPadControllerType::ProController;
+    }
+}
+
+Settings::ControllerType Controller_NPad::MapNPadToSettingsType(
+    Controller_NPad::NPadControllerType type) {
+    switch (type) {
+    case NPadControllerType::ProController:
+        return Settings::ControllerType::ProController;
+    case NPadControllerType::JoyDual:
+        return Settings::ControllerType::DualJoyconDetached;
+    case NPadControllerType::JoyLeft:
+        return Settings::ControllerType::LeftJoycon;
+    case NPadControllerType::JoyRight:
+        return Settings::ControllerType::RightJoycon;
+    case NPadControllerType::Handheld:
+        return Settings::ControllerType::Handheld;
+    default:
+        UNREACHABLE();
+        return Settings::ControllerType::ProController;
     }
 }
 
@@ -60,9 +83,9 @@ std::size_t Controller_NPad::NPadIdToIndex(u32 npad_id) {
     case 6:
     case 7:
         return npad_id;
-    case 8:
+    case HANDHELD_INDEX:
     case NPAD_HANDHELD:
-        return 8;
+        return HANDHELD_INDEX;
     case 9:
     case NPAD_UNKNOWN:
         return 9;
@@ -83,38 +106,48 @@ u32 Controller_NPad::IndexToNPad(std::size_t index) {
     case 6:
     case 7:
         return static_cast<u32>(index);
-    case 8:
+    case HANDHELD_INDEX:
         return NPAD_HANDHELD;
     case 9:
         return NPAD_UNKNOWN;
     default:
         UNIMPLEMENTED_MSG("Unknown npad index {}", index);
         return 0;
-    };
+    }
 }
 
 Controller_NPad::Controller_NPad(Core::System& system) : ControllerBase(system), system(system) {}
 Controller_NPad::~Controller_NPad() = default;
 
-void Controller_NPad::InitNewlyAddedControler(std::size_t controller_idx) {
+void Controller_NPad::InitNewlyAddedController(std::size_t controller_idx) {
     const auto controller_type = connected_controllers[controller_idx].type;
     auto& controller = shared_memory_entries[controller_idx];
     if (controller_type == NPadControllerType::None) {
+        styleset_changed_events[controller_idx].writable->Signal();
         return;
     }
     controller.joy_styles.raw = 0; // Zero out
     controller.device_type.raw = 0;
+    controller.properties.raw = 0;
     switch (controller_type) {
     case NPadControllerType::None:
         UNREACHABLE();
         break;
+    case NPadControllerType::ProController:
+        controller.joy_styles.pro_controller.Assign(1);
+        controller.device_type.pro_controller.Assign(1);
+        controller.properties.is_vertical.Assign(1);
+        controller.properties.use_plus.Assign(1);
+        controller.properties.use_minus.Assign(1);
+        controller.pad_assignment = NPadAssignments::Single;
+        break;
     case NPadControllerType::Handheld:
         controller.joy_styles.handheld.Assign(1);
         controller.device_type.handheld.Assign(1);
-        controller.pad_assignment = NPadAssignments::Dual;
         controller.properties.is_vertical.Assign(1);
         controller.properties.use_plus.Assign(1);
         controller.properties.use_minus.Assign(1);
+        controller.pad_assignment = NPadAssignments::Dual;
         break;
     case NPadControllerType::JoyDual:
         controller.joy_styles.joycon_dual.Assign(1);
@@ -144,14 +177,6 @@ void Controller_NPad::InitNewlyAddedControler(std::size_t controller_idx) {
         controller.device_type.pokeball.Assign(1);
         controller.pad_assignment = NPadAssignments::Single;
         break;
-    case NPadControllerType::ProController:
-        controller.joy_styles.pro_controller.Assign(1);
-        controller.device_type.pro_controller.Assign(1);
-        controller.properties.is_vertical.Assign(1);
-        controller.properties.use_plus.Assign(1);
-        controller.properties.use_minus.Assign(1);
-        controller.pad_assignment = NPadAssignments::Single;
-        break;
     }
 
     controller.single_color_error = ColorReadError::ReadOk;
@@ -168,7 +193,8 @@ void Controller_NPad::InitNewlyAddedControler(std::size_t controller_idx) {
     controller.battery_level[0] = BATTERY_FULL;
     controller.battery_level[1] = BATTERY_FULL;
     controller.battery_level[2] = BATTERY_FULL;
-    styleset_changed_events[controller_idx].writable->Signal();
+
+    SignalStyleSetChangedEvent(IndexToNPad(controller_idx));
 }
 
 void Controller_NPad::OnInit() {
@@ -192,36 +218,25 @@ void Controller_NPad::OnInit() {
         style.pokeball.Assign(1);
     }
 
-    std::transform(
-        Settings::values.players.begin(), Settings::values.players.end(),
-        connected_controllers.begin(), [](const Settings::PlayerInput& player) {
-            return ControllerHolder{MapSettingsTypeToNPad(player.type), player.connected};
-        });
-
-    std::stable_partition(connected_controllers.begin(), connected_controllers.begin() + 8,
-                          [](const ControllerHolder& holder) { return holder.is_connected; });
+    std::transform(Settings::values.players.begin(), Settings::values.players.end(),
+                   connected_controllers.begin(), [](const Settings::PlayerInput& player) {
+                       return ControllerHolder{MapSettingsTypeToNPad(player.controller_type),
+                                               player.connected};
+                   });
 
     // Account for handheld
-    if (connected_controllers[8].is_connected)
-        connected_controllers[8].type = NPadControllerType::Handheld;
+    if (connected_controllers[HANDHELD_INDEX].is_connected) {
+        connected_controllers[HANDHELD_INDEX].type = NPadControllerType::Handheld;
+    }
 
     supported_npad_id_types.resize(npad_id_list.size());
     std::memcpy(supported_npad_id_types.data(), npad_id_list.data(),
                 npad_id_list.size() * sizeof(u32));
 
-    // Add a default dual joycon controller if none are present.
-    if (std::none_of(connected_controllers.begin(), connected_controllers.end(),
-                     [](const ControllerHolder& controller) { return controller.is_connected; })) {
-        supported_npad_id_types.resize(npad_id_list.size());
-        std::memcpy(supported_npad_id_types.data(), npad_id_list.data(),
-                    npad_id_list.size() * sizeof(u32));
-        AddNewController(NPadControllerType::JoyDual);
-    }
-
     for (std::size_t i = 0; i < connected_controllers.size(); ++i) {
         const auto& controller = connected_controllers[i];
         if (controller.is_connected) {
-            AddNewControllerAt(controller.type, IndexToNPad(i));
+            AddNewControllerAt(controller.type, i);
         }
     }
 }
@@ -235,6 +250,9 @@ void Controller_NPad::OnLoadInputDevices() {
         std::transform(players[i].analogs.begin() + Settings::NativeAnalog::STICK_HID_BEGIN,
                        players[i].analogs.begin() + Settings::NativeAnalog::STICK_HID_END,
                        sticks[i].begin(), Input::CreateDevice<Input::AnalogDevice>);
+        std::transform(players[i].motions.begin() + Settings::NativeMotion::MOTION_HID_BEGIN,
+                       players[i].motions.begin() + Settings::NativeMotion::MOTION_HID_END,
+                       motions[i].begin(), Input::CreateDevice<Input::MotionDevice>);
     }
 }
 
@@ -242,7 +260,7 @@ void Controller_NPad::OnRelease() {}
 
 void Controller_NPad::RequestPadStateUpdate(u32 npad_id) {
     const auto controller_idx = NPadIdToIndex(npad_id);
-    [[maybe_unused]] const auto controller_type = connected_controllers[controller_idx].type;
+    const auto controller_type = connected_controllers[controller_idx].type;
     if (!connected_controllers[controller_idx].is_connected) {
         return;
     }
@@ -251,66 +269,77 @@ void Controller_NPad::RequestPadStateUpdate(u32 npad_id) {
     auto& rstick_entry = npad_pad_states[controller_idx].r_stick;
     const auto& button_state = buttons[controller_idx];
     const auto& analog_state = sticks[controller_idx];
+    const auto& motion_state = motions[controller_idx];
     const auto [stick_l_x_f, stick_l_y_f] =
         analog_state[static_cast<std::size_t>(JoystickId::Joystick_Left)]->GetStatus();
     const auto [stick_r_x_f, stick_r_y_f] =
         analog_state[static_cast<std::size_t>(JoystickId::Joystick_Right)]->GetStatus();
 
     using namespace Settings::NativeButton;
-    pad_state.a.Assign(button_state[A - BUTTON_HID_BEGIN]->GetStatus());
-    pad_state.b.Assign(button_state[B - BUTTON_HID_BEGIN]->GetStatus());
-    pad_state.x.Assign(button_state[X - BUTTON_HID_BEGIN]->GetStatus());
-    pad_state.y.Assign(button_state[Y - BUTTON_HID_BEGIN]->GetStatus());
-    pad_state.l_stick.Assign(button_state[LStick - BUTTON_HID_BEGIN]->GetStatus());
-    pad_state.r_stick.Assign(button_state[RStick - BUTTON_HID_BEGIN]->GetStatus());
-    pad_state.l.Assign(button_state[L - BUTTON_HID_BEGIN]->GetStatus());
-    pad_state.r.Assign(button_state[R - BUTTON_HID_BEGIN]->GetStatus());
-    pad_state.zl.Assign(button_state[ZL - BUTTON_HID_BEGIN]->GetStatus());
-    pad_state.zr.Assign(button_state[ZR - BUTTON_HID_BEGIN]->GetStatus());
-    pad_state.plus.Assign(button_state[Plus - BUTTON_HID_BEGIN]->GetStatus());
-    pad_state.minus.Assign(button_state[Minus - BUTTON_HID_BEGIN]->GetStatus());
-
-    pad_state.d_left.Assign(button_state[DLeft - BUTTON_HID_BEGIN]->GetStatus());
-    pad_state.d_up.Assign(button_state[DUp - BUTTON_HID_BEGIN]->GetStatus());
-    pad_state.d_right.Assign(button_state[DRight - BUTTON_HID_BEGIN]->GetStatus());
-    pad_state.d_down.Assign(button_state[DDown - BUTTON_HID_BEGIN]->GetStatus());
-
-    pad_state.l_stick_right.Assign(
-        analog_state[static_cast<std::size_t>(JoystickId::Joystick_Left)]->GetAnalogDirectionStatus(
-            Input::AnalogDirection::RIGHT));
-    pad_state.l_stick_left.Assign(
-        analog_state[static_cast<std::size_t>(JoystickId::Joystick_Left)]->GetAnalogDirectionStatus(
-            Input::AnalogDirection::LEFT));
-    pad_state.l_stick_up.Assign(
-        analog_state[static_cast<std::size_t>(JoystickId::Joystick_Left)]->GetAnalogDirectionStatus(
-            Input::AnalogDirection::UP));
-    pad_state.l_stick_down.Assign(
-        analog_state[static_cast<std::size_t>(JoystickId::Joystick_Left)]->GetAnalogDirectionStatus(
-            Input::AnalogDirection::DOWN));
-
-    pad_state.r_stick_right.Assign(
-        analog_state[static_cast<std::size_t>(JoystickId::Joystick_Right)]
-            ->GetAnalogDirectionStatus(Input::AnalogDirection::RIGHT));
-    pad_state.r_stick_left.Assign(analog_state[static_cast<std::size_t>(JoystickId::Joystick_Right)]
-                                      ->GetAnalogDirectionStatus(Input::AnalogDirection::LEFT));
-    pad_state.r_stick_up.Assign(analog_state[static_cast<std::size_t>(JoystickId::Joystick_Right)]
-                                    ->GetAnalogDirectionStatus(Input::AnalogDirection::UP));
-    pad_state.r_stick_down.Assign(analog_state[static_cast<std::size_t>(JoystickId::Joystick_Right)]
-                                      ->GetAnalogDirectionStatus(Input::AnalogDirection::DOWN));
-
-    pad_state.left_sl.Assign(button_state[SL - BUTTON_HID_BEGIN]->GetStatus());
-    pad_state.left_sr.Assign(button_state[SR - BUTTON_HID_BEGIN]->GetStatus());
-
-    lstick_entry.x = static_cast<s32>(stick_l_x_f * HID_JOYSTICK_MAX);
-    lstick_entry.y = static_cast<s32>(stick_l_y_f * HID_JOYSTICK_MAX);
-    rstick_entry.x = static_cast<s32>(stick_r_x_f * HID_JOYSTICK_MAX);
-    rstick_entry.y = static_cast<s32>(stick_r_y_f * HID_JOYSTICK_MAX);
+    if (controller_type != NPadControllerType::JoyLeft) {
+        pad_state.a.Assign(button_state[A - BUTTON_HID_BEGIN]->GetStatus());
+        pad_state.b.Assign(button_state[B - BUTTON_HID_BEGIN]->GetStatus());
+        pad_state.x.Assign(button_state[X - BUTTON_HID_BEGIN]->GetStatus());
+        pad_state.y.Assign(button_state[Y - BUTTON_HID_BEGIN]->GetStatus());
+        pad_state.r_stick.Assign(button_state[RStick - BUTTON_HID_BEGIN]->GetStatus());
+        pad_state.r.Assign(button_state[R - BUTTON_HID_BEGIN]->GetStatus());
+        pad_state.zr.Assign(button_state[ZR - BUTTON_HID_BEGIN]->GetStatus());
+        pad_state.plus.Assign(button_state[Plus - BUTTON_HID_BEGIN]->GetStatus());
+
+        pad_state.r_stick_right.Assign(
+            analog_state[static_cast<std::size_t>(JoystickId::Joystick_Right)]
+                ->GetAnalogDirectionStatus(Input::AnalogDirection::RIGHT));
+        pad_state.r_stick_left.Assign(
+            analog_state[static_cast<std::size_t>(JoystickId::Joystick_Right)]
+                ->GetAnalogDirectionStatus(Input::AnalogDirection::LEFT));
+        pad_state.r_stick_up.Assign(
+            analog_state[static_cast<std::size_t>(JoystickId::Joystick_Right)]
+                ->GetAnalogDirectionStatus(Input::AnalogDirection::UP));
+        pad_state.r_stick_down.Assign(
+            analog_state[static_cast<std::size_t>(JoystickId::Joystick_Right)]
+                ->GetAnalogDirectionStatus(Input::AnalogDirection::DOWN));
+        rstick_entry.x = static_cast<s32>(stick_r_x_f * HID_JOYSTICK_MAX);
+        rstick_entry.y = static_cast<s32>(stick_r_y_f * HID_JOYSTICK_MAX);
+    }
+
+    if (controller_type != NPadControllerType::JoyRight) {
+        pad_state.d_left.Assign(button_state[DLeft - BUTTON_HID_BEGIN]->GetStatus());
+        pad_state.d_up.Assign(button_state[DUp - BUTTON_HID_BEGIN]->GetStatus());
+        pad_state.d_right.Assign(button_state[DRight - BUTTON_HID_BEGIN]->GetStatus());
+        pad_state.d_down.Assign(button_state[DDown - BUTTON_HID_BEGIN]->GetStatus());
+        pad_state.l_stick.Assign(button_state[LStick - BUTTON_HID_BEGIN]->GetStatus());
+        pad_state.l.Assign(button_state[L - BUTTON_HID_BEGIN]->GetStatus());
+        pad_state.zl.Assign(button_state[ZL - BUTTON_HID_BEGIN]->GetStatus());
+        pad_state.minus.Assign(button_state[Minus - BUTTON_HID_BEGIN]->GetStatus());
+
+        pad_state.l_stick_right.Assign(
+            analog_state[static_cast<std::size_t>(JoystickId::Joystick_Left)]
+                ->GetAnalogDirectionStatus(Input::AnalogDirection::RIGHT));
+        pad_state.l_stick_left.Assign(
+            analog_state[static_cast<std::size_t>(JoystickId::Joystick_Left)]
+                ->GetAnalogDirectionStatus(Input::AnalogDirection::LEFT));
+        pad_state.l_stick_up.Assign(
+            analog_state[static_cast<std::size_t>(JoystickId::Joystick_Left)]
+                ->GetAnalogDirectionStatus(Input::AnalogDirection::UP));
+        pad_state.l_stick_down.Assign(
+            analog_state[static_cast<std::size_t>(JoystickId::Joystick_Left)]
+                ->GetAnalogDirectionStatus(Input::AnalogDirection::DOWN));
+        lstick_entry.x = static_cast<s32>(stick_l_x_f * HID_JOYSTICK_MAX);
+        lstick_entry.y = static_cast<s32>(stick_l_y_f * HID_JOYSTICK_MAX);
+    }
+
+    if (controller_type == NPadControllerType::JoyLeft ||
+        controller_type == NPadControllerType::JoyRight) {
+        pad_state.left_sl.Assign(button_state[SL - BUTTON_HID_BEGIN]->GetStatus());
+        pad_state.left_sr.Assign(button_state[SR - BUTTON_HID_BEGIN]->GetStatus());
+    }
 }
 
 void Controller_NPad::OnUpdate(const Core::Timing::CoreTiming& core_timing, u8* data,
                                std::size_t data_len) {
-    if (!IsControllerActivated())
+    if (!IsControllerActivated()) {
         return;
+    }
     for (std::size_t i = 0; i < shared_memory_entries.size(); i++) {
         auto& npad = shared_memory_entries[i];
         const std::array<NPadGeneric*, 7> controller_npads{&npad.main_controller_states,
@@ -344,6 +373,7 @@ void Controller_NPad::OnUpdate(const Core::Timing::CoreTiming& core_timing, u8*
             continue;
         }
         const u32 npad_index = static_cast<u32>(i);
+
         RequestPadStateUpdate(npad_index);
         auto& pad_state = npad_pad_states[npad_index];
 
@@ -360,13 +390,37 @@ void Controller_NPad::OnUpdate(const Core::Timing::CoreTiming& core_timing, u8*
         auto& libnx_entry = npad.libnx.npad[npad.libnx.common.last_entry_index];
 
         libnx_entry.connection_status.raw = 0;
+        libnx_entry.connection_status.IsConnected.Assign(1);
+        auto& full_sixaxis_entry =
+            npad.sixaxis_full.sixaxis[npad.sixaxis_full.common.last_entry_index];
+        auto& handheld_sixaxis_entry =
+            npad.sixaxis_handheld.sixaxis[npad.sixaxis_handheld.common.last_entry_index];
+        auto& dual_left_sixaxis_entry =
+            npad.sixaxis_dual_left.sixaxis[npad.sixaxis_dual_left.common.last_entry_index];
+        auto& dual_right_sixaxis_entry =
+            npad.sixaxis_dual_right.sixaxis[npad.sixaxis_dual_right.common.last_entry_index];
+        auto& left_sixaxis_entry =
+            npad.sixaxis_left.sixaxis[npad.sixaxis_left.common.last_entry_index];
+        auto& right_sixaxis_entry =
+            npad.sixaxis_right.sixaxis[npad.sixaxis_right.common.last_entry_index];
 
         switch (controller_type) {
         case NPadControllerType::None:
             UNREACHABLE();
             break;
+        case NPadControllerType::ProController:
+            main_controller.connection_status.raw = 0;
+            main_controller.connection_status.IsConnected.Assign(1);
+            main_controller.connection_status.IsWired.Assign(1);
+            main_controller.pad.pad_states.raw = pad_state.pad_states.raw;
+            main_controller.pad.l_stick = pad_state.l_stick;
+            main_controller.pad.r_stick = pad_state.r_stick;
+
+            libnx_entry.connection_status.IsWired.Assign(1);
+            break;
         case NPadControllerType::Handheld:
             handheld_entry.connection_status.raw = 0;
+            handheld_entry.connection_status.IsConnected.Assign(1);
             handheld_entry.connection_status.IsWired.Assign(1);
             handheld_entry.connection_status.IsLeftJoyConnected.Assign(1);
             handheld_entry.connection_status.IsRightJoyConnected.Assign(1);
@@ -375,57 +429,52 @@ void Controller_NPad::OnUpdate(const Core::Timing::CoreTiming& core_timing, u8*
             handheld_entry.pad.pad_states.raw = pad_state.pad_states.raw;
             handheld_entry.pad.l_stick = pad_state.l_stick;
             handheld_entry.pad.r_stick = pad_state.r_stick;
+
+            libnx_entry.connection_status.IsWired.Assign(1);
+            libnx_entry.connection_status.IsLeftJoyConnected.Assign(1);
+            libnx_entry.connection_status.IsRightJoyConnected.Assign(1);
+            libnx_entry.connection_status.IsLeftJoyWired.Assign(1);
+            libnx_entry.connection_status.IsRightJoyWired.Assign(1);
             break;
         case NPadControllerType::JoyDual:
             dual_entry.connection_status.raw = 0;
-
+            dual_entry.connection_status.IsConnected.Assign(1);
             dual_entry.connection_status.IsLeftJoyConnected.Assign(1);
             dual_entry.connection_status.IsRightJoyConnected.Assign(1);
-            dual_entry.connection_status.IsConnected.Assign(1);
-
-            libnx_entry.connection_status.IsLeftJoyConnected.Assign(1);
-            libnx_entry.connection_status.IsRightJoyConnected.Assign(1);
-            libnx_entry.connection_status.IsConnected.Assign(1);
-
             dual_entry.pad.pad_states.raw = pad_state.pad_states.raw;
             dual_entry.pad.l_stick = pad_state.l_stick;
             dual_entry.pad.r_stick = pad_state.r_stick;
+
+            libnx_entry.connection_status.IsLeftJoyConnected.Assign(1);
+            libnx_entry.connection_status.IsRightJoyConnected.Assign(1);
             break;
         case NPadControllerType::JoyLeft:
             left_entry.connection_status.raw = 0;
-
             left_entry.connection_status.IsConnected.Assign(1);
+            left_entry.connection_status.IsLeftJoyConnected.Assign(1);
             left_entry.pad.pad_states.raw = pad_state.pad_states.raw;
             left_entry.pad.l_stick = pad_state.l_stick;
             left_entry.pad.r_stick = pad_state.r_stick;
+
+            libnx_entry.connection_status.IsLeftJoyConnected.Assign(1);
             break;
         case NPadControllerType::JoyRight:
             right_entry.connection_status.raw = 0;
-
             right_entry.connection_status.IsConnected.Assign(1);
+            right_entry.connection_status.IsRightJoyConnected.Assign(1);
             right_entry.pad.pad_states.raw = pad_state.pad_states.raw;
             right_entry.pad.l_stick = pad_state.l_stick;
             right_entry.pad.r_stick = pad_state.r_stick;
+
+            libnx_entry.connection_status.IsRightJoyConnected.Assign(1);
             break;
         case NPadControllerType::Pokeball:
             pokeball_entry.connection_status.raw = 0;
-
             pokeball_entry.connection_status.IsConnected.Assign(1);
-            pokeball_entry.connection_status.IsWired.Assign(1);
-
             pokeball_entry.pad.pad_states.raw = pad_state.pad_states.raw;
             pokeball_entry.pad.l_stick = pad_state.l_stick;
             pokeball_entry.pad.r_stick = pad_state.r_stick;
             break;
-        case NPadControllerType::ProController:
-            main_controller.connection_status.raw = 0;
-
-            main_controller.connection_status.IsConnected.Assign(1);
-            main_controller.connection_status.IsWired.Assign(1);
-            main_controller.pad.pad_states.raw = pad_state.pad_states.raw;
-            main_controller.pad.l_stick = pad_state.l_stick;
-            main_controller.pad.r_stick = pad_state.r_stick;
-            break;
         }
 
         // LibNX exclusively uses this section, so we always update it since LibNX doesn't activate
@@ -440,6 +489,143 @@ void Controller_NPad::OnUpdate(const Core::Timing::CoreTiming& core_timing, u8*
                 shared_memory_entries.size() * sizeof(NPadEntry));
 }
 
+void Controller_NPad::OnMotionUpdate(const Core::Timing::CoreTiming& core_timing, u8* data,
+                                     std::size_t data_len) {
+    if (!IsControllerActivated()) {
+        return;
+    }
+    for (std::size_t i = 0; i < shared_memory_entries.size(); i++) {
+        auto& npad = shared_memory_entries[i];
+
+        const auto& controller_type = connected_controllers[i].type;
+
+        if (controller_type == NPadControllerType::None || !connected_controllers[i].is_connected) {
+            continue;
+        }
+
+        const std::array<SixAxisGeneric*, 6> controller_sixaxes{
+            &npad.sixaxis_full,       &npad.sixaxis_handheld, &npad.sixaxis_dual_left,
+            &npad.sixaxis_dual_right, &npad.sixaxis_left,     &npad.sixaxis_right,
+        };
+
+        for (auto* sixaxis_sensor : controller_sixaxes) {
+            sixaxis_sensor->common.entry_count = 16;
+            sixaxis_sensor->common.total_entry_count = 17;
+
+            const auto& last_entry =
+                sixaxis_sensor->sixaxis[sixaxis_sensor->common.last_entry_index];
+
+            sixaxis_sensor->common.timestamp = core_timing.GetCPUTicks();
+            sixaxis_sensor->common.last_entry_index =
+                (sixaxis_sensor->common.last_entry_index + 1) % 17;
+
+            auto& cur_entry = sixaxis_sensor->sixaxis[sixaxis_sensor->common.last_entry_index];
+
+            cur_entry.timestamp = last_entry.timestamp + 1;
+            cur_entry.timestamp2 = cur_entry.timestamp;
+        }
+
+        // Try to read sixaxis sensor states
+        std::array<MotionDevice, 2> motion_devices;
+
+        if (sixaxis_sensors_enabled && Settings::values.motion_enabled) {
+            sixaxis_at_rest = true;
+            for (std::size_t e = 0; e < motion_devices.size(); ++e) {
+                const auto& device = motions[i][e];
+                if (device) {
+                    std::tie(motion_devices[e].accel, motion_devices[e].gyro,
+                             motion_devices[e].rotation, motion_devices[e].orientation) =
+                        device->GetStatus();
+                    sixaxis_at_rest = sixaxis_at_rest && motion_devices[e].gyro.Length2() < 0.0001f;
+                }
+            }
+        }
+
+        auto& main_controller =
+            npad.main_controller_states.npad[npad.main_controller_states.common.last_entry_index];
+        auto& handheld_entry =
+            npad.handheld_states.npad[npad.handheld_states.common.last_entry_index];
+        auto& dual_entry = npad.dual_states.npad[npad.dual_states.common.last_entry_index];
+        auto& left_entry = npad.left_joy_states.npad[npad.left_joy_states.common.last_entry_index];
+        auto& right_entry =
+            npad.right_joy_states.npad[npad.right_joy_states.common.last_entry_index];
+        auto& pokeball_entry =
+            npad.pokeball_states.npad[npad.pokeball_states.common.last_entry_index];
+        auto& libnx_entry = npad.libnx.npad[npad.libnx.common.last_entry_index];
+
+        auto& full_sixaxis_entry =
+            npad.sixaxis_full.sixaxis[npad.sixaxis_full.common.last_entry_index];
+        auto& handheld_sixaxis_entry =
+            npad.sixaxis_handheld.sixaxis[npad.sixaxis_handheld.common.last_entry_index];
+        auto& dual_left_sixaxis_entry =
+            npad.sixaxis_dual_left.sixaxis[npad.sixaxis_dual_left.common.last_entry_index];
+        auto& dual_right_sixaxis_entry =
+            npad.sixaxis_dual_right.sixaxis[npad.sixaxis_dual_right.common.last_entry_index];
+        auto& left_sixaxis_entry =
+            npad.sixaxis_left.sixaxis[npad.sixaxis_left.common.last_entry_index];
+        auto& right_sixaxis_entry =
+            npad.sixaxis_right.sixaxis[npad.sixaxis_right.common.last_entry_index];
+
+        switch (controller_type) {
+        case NPadControllerType::None:
+            UNREACHABLE();
+            break;
+        case NPadControllerType::ProController:
+            if (sixaxis_sensors_enabled && motions[i][0]) {
+                full_sixaxis_entry.accel = motion_devices[0].accel;
+                full_sixaxis_entry.gyro = motion_devices[0].gyro;
+                full_sixaxis_entry.rotation = motion_devices[0].rotation;
+                full_sixaxis_entry.orientation = motion_devices[0].orientation;
+            }
+            break;
+        case NPadControllerType::Handheld:
+            if (sixaxis_sensors_enabled && motions[i][0]) {
+                handheld_sixaxis_entry.accel = motion_devices[0].accel;
+                handheld_sixaxis_entry.gyro = motion_devices[0].gyro;
+                handheld_sixaxis_entry.rotation = motion_devices[0].rotation;
+                handheld_sixaxis_entry.orientation = motion_devices[0].orientation;
+            }
+            break;
+        case NPadControllerType::JoyDual:
+            if (sixaxis_sensors_enabled && motions[i][0]) {
+                // Set motion for the left joycon
+                dual_left_sixaxis_entry.accel = motion_devices[0].accel;
+                dual_left_sixaxis_entry.gyro = motion_devices[0].gyro;
+                dual_left_sixaxis_entry.rotation = motion_devices[0].rotation;
+                dual_left_sixaxis_entry.orientation = motion_devices[0].orientation;
+            }
+            if (sixaxis_sensors_enabled && motions[i][1]) {
+                // Set motion for the right joycon
+                dual_right_sixaxis_entry.accel = motion_devices[1].accel;
+                dual_right_sixaxis_entry.gyro = motion_devices[1].gyro;
+                dual_right_sixaxis_entry.rotation = motion_devices[1].rotation;
+                dual_right_sixaxis_entry.orientation = motion_devices[1].orientation;
+            }
+            break;
+        case NPadControllerType::JoyLeft:
+            if (sixaxis_sensors_enabled && motions[i][0]) {
+                left_sixaxis_entry.accel = motion_devices[0].accel;
+                left_sixaxis_entry.gyro = motion_devices[0].gyro;
+                left_sixaxis_entry.rotation = motion_devices[0].rotation;
+                left_sixaxis_entry.orientation = motion_devices[0].orientation;
+            }
+            break;
+        case NPadControllerType::JoyRight:
+            if (sixaxis_sensors_enabled && motions[i][1]) {
+                right_sixaxis_entry.accel = motion_devices[1].accel;
+                right_sixaxis_entry.gyro = motion_devices[1].gyro;
+                right_sixaxis_entry.rotation = motion_devices[1].rotation;
+                right_sixaxis_entry.orientation = motion_devices[1].orientation;
+            }
+            break;
+        case NPadControllerType::Pokeball:
+            break;
+        }
+    }
+    std::memcpy(data + NPAD_OFFSET, shared_memory_entries.data(),
+                shared_memory_entries.size() * sizeof(NPadEntry));
+}
+
 void Controller_NPad::SetSupportedStyleSet(NPadType style_set) {
     style.raw = style_set.raw;
 }
@@ -453,26 +639,6 @@ void Controller_NPad::SetSupportedNPadIdTypes(u8* data, std::size_t length) {
     supported_npad_id_types.clear();
     supported_npad_id_types.resize(length / sizeof(u32));
     std::memcpy(supported_npad_id_types.data(), data, length);
-    for (std::size_t i = 0; i < connected_controllers.size(); i++) {
-        auto& controller = connected_controllers[i];
-        if (!controller.is_connected) {
-            continue;
-        }
-        const auto requested_controller =
-            i <= MAX_NPAD_ID ? MapSettingsTypeToNPad(Settings::values.players[i].type)
-                             : NPadControllerType::Handheld;
-        if (!IsControllerSupported(requested_controller)) {
-            const auto is_handheld = requested_controller == NPadControllerType::Handheld;
-            if (is_handheld) {
-                controller.type = NPadControllerType::None;
-                controller.is_connected = false;
-                AddNewController(requested_controller);
-            } else {
-                controller.type = requested_controller;
-                InitNewlyAddedControler(i);
-            }
-        }
-    }
 }
 
 void Controller_NPad::GetSupportedNpadIdTypes(u32* data, std::size_t max_length) {
@@ -492,6 +658,14 @@ Controller_NPad::NpadHoldType Controller_NPad::GetHoldType() const {
     return hold_type;
 }
 
+void Controller_NPad::SetNpadHandheldActivationMode(NpadHandheldActivationMode activation_mode) {
+    handheld_activation_mode = activation_mode;
+}
+
+Controller_NPad::NpadHandheldActivationMode Controller_NPad::GetNpadHandheldActivationMode() const {
+    return handheld_activation_mode;
+}
+
 void Controller_NPad::SetNpadMode(u32 npad_id, NPadAssignments assignment_mode) {
     const std::size_t npad_index = NPadIdToIndex(npad_id);
     ASSERT(npad_index < shared_memory_entries.size());
@@ -500,70 +674,86 @@ void Controller_NPad::SetNpadMode(u32 npad_id, NPadAssignments assignment_mode)
     }
 }
 
-void Controller_NPad::VibrateController(const std::vector<u32>& controller_ids,
+void Controller_NPad::VibrateController(const std::vector<u32>& controllers,
                                         const std::vector<Vibration>& vibrations) {
-    LOG_DEBUG(Service_HID, "(STUBBED) called");
+    LOG_TRACE(Service_HID, "called");
 
-    if (!can_controllers_vibrate) {
+    if (!Settings::values.vibration_enabled || !can_controllers_vibrate) {
         return;
     }
-    for (std::size_t i = 0; i < controller_ids.size(); i++) {
-        std::size_t controller_pos = NPadIdToIndex(static_cast<u32>(i));
-        if (connected_controllers[controller_pos].is_connected) {
-            // TODO(ogniK): Vibrate the physical controller
+    bool success = true;
+    for (std::size_t i = 0; i < controllers.size(); ++i) {
+        if (!connected_controllers[i].is_connected) {
+            continue;
+        }
+        using namespace Settings::NativeButton;
+        const auto& button_state = buttons[i];
+        if (button_state[A - BUTTON_HID_BEGIN]) {
+            if (button_state[A - BUTTON_HID_BEGIN]->SetRumblePlay(
+                    vibrations[0].amp_high, vibrations[0].amp_low, vibrations[0].freq_high,
+                    vibrations[0].freq_low)) {
+                success = false;
+            }
         }
     }
-    last_processed_vibration = vibrations.back();
+    if (success) {
+        last_processed_vibration = vibrations.back();
+    }
+}
+
+Controller_NPad::Vibration Controller_NPad::GetLastVibration() const {
+    return last_processed_vibration;
 }
 
 std::shared_ptr<Kernel::ReadableEvent> Controller_NPad::GetStyleSetChangedEvent(u32 npad_id) const {
-    // TODO(ogniK): Figure out the best time to signal this event. This event seems that it should
-    // be signalled at least once, and signaled after a new controller is connected?
     const auto& styleset_event = styleset_changed_events[NPadIdToIndex(npad_id)];
     return styleset_event.readable;
 }
 
-Controller_NPad::Vibration Controller_NPad::GetLastVibration() const {
-    return last_processed_vibration;
+void Controller_NPad::SignalStyleSetChangedEvent(u32 npad_id) const {
+    styleset_changed_events[NPadIdToIndex(npad_id)].writable->Signal();
 }
 
-void Controller_NPad::AddNewController(NPadControllerType controller) {
-    controller = DecideBestController(controller);
-    if (controller == NPadControllerType::Handheld) {
-        connected_controllers[8] = {controller, true};
-        InitNewlyAddedControler(8);
-        return;
-    }
-    const auto pos =
-        std::find_if(connected_controllers.begin(), connected_controllers.end() - 2,
-                     [](const ControllerHolder& holder) { return !holder.is_connected; });
-    if (pos == connected_controllers.end() - 2) {
-        LOG_ERROR(Service_HID, "Cannot connect any more controllers!");
+void Controller_NPad::AddNewControllerAt(NPadControllerType controller, std::size_t npad_index) {
+    UpdateControllerAt(controller, npad_index, true);
+}
+
+void Controller_NPad::UpdateControllerAt(NPadControllerType controller, std::size_t npad_index,
+                                         bool connected) {
+    if (!connected) {
+        DisconnectNPadAtIndex(npad_index);
         return;
     }
-    const auto controller_id = std::distance(connected_controllers.begin(), pos);
-    connected_controllers[controller_id] = {controller, true};
-    InitNewlyAddedControler(controller_id);
-}
 
-void Controller_NPad::AddNewControllerAt(NPadControllerType controller, u32 npad_id) {
-    controller = DecideBestController(controller);
     if (controller == NPadControllerType::Handheld) {
-        connected_controllers[NPadIdToIndex(NPAD_HANDHELD)] = {controller, true};
-        InitNewlyAddedControler(NPadIdToIndex(NPAD_HANDHELD));
+        Settings::values.players[HANDHELD_INDEX].controller_type =
+            MapNPadToSettingsType(controller);
+        Settings::values.players[HANDHELD_INDEX].connected = true;
+        connected_controllers[HANDHELD_INDEX] = {controller, true};
+        InitNewlyAddedController(HANDHELD_INDEX);
         return;
     }
 
-    connected_controllers[NPadIdToIndex(npad_id)] = {controller, true};
-    InitNewlyAddedControler(NPadIdToIndex(npad_id));
+    Settings::values.players[npad_index].controller_type = MapNPadToSettingsType(controller);
+    Settings::values.players[npad_index].connected = true;
+    connected_controllers[npad_index] = {controller, true};
+    InitNewlyAddedController(npad_index);
 }
 
-void Controller_NPad::ConnectNPad(u32 npad_id) {
-    connected_controllers[NPadIdToIndex(npad_id)].is_connected = true;
+void Controller_NPad::DisconnectNPad(u32 npad_id) {
+    DisconnectNPadAtIndex(NPadIdToIndex(npad_id));
 }
 
-void Controller_NPad::DisconnectNPad(u32 npad_id) {
-    connected_controllers[NPadIdToIndex(npad_id)].is_connected = false;
+void Controller_NPad::DisconnectNPadAtIndex(std::size_t npad_index) {
+    Settings::values.players[npad_index].connected = false;
+    connected_controllers[npad_index].is_connected = false;
+
+    auto& controller = shared_memory_entries[npad_index];
+    controller.joy_styles.raw = 0; // Zero out
+    controller.device_type.raw = 0;
+    controller.properties.raw = 0;
+
+    SignalStyleSetChangedEvent(IndexToNPad(npad_index));
 }
 
 void Controller_NPad::SetGyroscopeZeroDriftMode(GyroscopeZeroDriftMode drift_mode) {
@@ -574,6 +764,30 @@ Controller_NPad::GyroscopeZeroDriftMode Controller_NPad::GetGyroscopeZeroDriftMo
     return gyroscope_zero_drift_mode;
 }
 
+bool Controller_NPad::IsSixAxisSensorAtRest() const {
+    return sixaxis_at_rest;
+}
+
+void Controller_NPad::SetSixAxisEnabled(bool six_axis_status) {
+    sixaxis_sensors_enabled = six_axis_status;
+}
+
+void Controller_NPad::MergeSingleJoyAsDualJoy(u32 npad_id_1, u32 npad_id_2) {
+    const auto npad_index_1 = NPadIdToIndex(npad_id_1);
+    const auto npad_index_2 = NPadIdToIndex(npad_id_2);
+
+    // If the controllers at both npad indices form a pair of left and right joycons, merge them.
+    // Otherwise, do nothing.
+    if ((connected_controllers[npad_index_1].type == NPadControllerType::JoyLeft &&
+         connected_controllers[npad_index_2].type == NPadControllerType::JoyRight) ||
+        (connected_controllers[npad_index_2].type == NPadControllerType::JoyLeft &&
+         connected_controllers[npad_index_1].type == NPadControllerType::JoyRight)) {
+        // Disconnect the joycon at the second id and connect the dual joycon at the first index.
+        DisconnectNPad(npad_id_2);
+        AddNewControllerAt(NPadControllerType::JoyDual, npad_index_1);
+    }
+}
+
 void Controller_NPad::StartLRAssignmentMode() {
     // Nothing internally is used for lr assignment mode. Since we have the ability to set the
     // controller types from boot, it doesn't really matter about showing a selection screen
@@ -599,8 +813,8 @@ bool Controller_NPad::SwapNpadAssignment(u32 npad_id_1, u32 npad_id_2) {
 
     std::swap(connected_controllers[npad_index_1].type, connected_controllers[npad_index_2].type);
 
-    InitNewlyAddedControler(npad_index_1);
-    InitNewlyAddedControler(npad_index_2);
+    AddNewControllerAt(connected_controllers[npad_index_1].type, npad_index_1);
+    AddNewControllerAt(connected_controllers[npad_index_2].type, npad_index_2);
 
     return true;
 }
@@ -614,11 +828,11 @@ Controller_NPad::LedPattern Controller_NPad::GetLedPattern(u32 npad_id) {
     case 0:
         return LedPattern{1, 0, 0, 0};
     case 1:
-        return LedPattern{0, 1, 0, 0};
+        return LedPattern{1, 1, 0, 0};
     case 2:
-        return LedPattern{0, 0, 1, 0};
+        return LedPattern{1, 1, 1, 0};
     case 3:
-        return LedPattern{0, 0, 0, 1};
+        return LedPattern{1, 1, 1, 1};
     case 4:
         return LedPattern{1, 0, 0, 1};
     case 5:
@@ -628,9 +842,17 @@ Controller_NPad::LedPattern Controller_NPad::GetLedPattern(u32 npad_id) {
     case 7:
         return LedPattern{0, 1, 1, 0};
     default:
-        UNIMPLEMENTED_MSG("Unhandled npad_id {}", npad_id);
         return LedPattern{0, 0, 0, 0};
-    };
+    }
+}
+
+bool Controller_NPad::IsUnintendedHomeButtonInputProtectionEnabled(u32 npad_id) const {
+    return unintended_home_button_input_protection[NPadIdToIndex(npad_id)];
+}
+
+void Controller_NPad::SetUnintendedHomeButtonInputProtectionEnabled(bool is_protection_enabled,
+                                                                    u32 npad_id) {
+    unintended_home_button_input_protection[NPadIdToIndex(npad_id)] = is_protection_enabled;
 }
 
 void Controller_NPad::SetVibrationEnabled(bool can_vibrate) {
@@ -651,13 +873,13 @@ void Controller_NPad::ClearAllConnectedControllers() {
 }
 
 void Controller_NPad::DisconnectAllConnectedControllers() {
-    for (ControllerHolder& controller : connected_controllers) {
+    for (auto& controller : connected_controllers) {
         controller.is_connected = false;
     }
 }
 
 void Controller_NPad::ConnectAllDisconnectedControllers() {
-    for (ControllerHolder& controller : connected_controllers) {
+    for (auto& controller : connected_controllers) {
         if (controller.type != NPadControllerType::None && !controller.is_connected) {
             controller.is_connected = true;
         }
@@ -665,7 +887,7 @@ void Controller_NPad::ConnectAllDisconnectedControllers() {
 }
 
 void Controller_NPad::ClearAllControllers() {
-    for (ControllerHolder& controller : connected_controllers) {
+    for (auto& controller : connected_controllers) {
         controller.type = NPadControllerType::None;
         controller.is_connected = false;
     }
@@ -713,92 +935,4 @@ bool Controller_NPad::IsControllerSupported(NPadControllerType controller) const
     return false;
 }
 
-Controller_NPad::NPadControllerType Controller_NPad::DecideBestController(
-    NPadControllerType priority) const {
-    if (IsControllerSupported(priority)) {
-        return priority;
-    }
-    const auto is_docked = Settings::values.use_docked_mode;
-    if (is_docked && priority == NPadControllerType::Handheld) {
-        priority = NPadControllerType::JoyDual;
-        if (IsControllerSupported(priority)) {
-            return priority;
-        }
-    }
-    std::vector<NPadControllerType> priority_list;
-    switch (priority) {
-    case NPadControllerType::ProController:
-        priority_list.push_back(NPadControllerType::JoyDual);
-        if (!is_docked) {
-            priority_list.push_back(NPadControllerType::Handheld);
-        }
-        priority_list.push_back(NPadControllerType::JoyLeft);
-        priority_list.push_back(NPadControllerType::JoyRight);
-        priority_list.push_back(NPadControllerType::Pokeball);
-        break;
-    case NPadControllerType::Handheld:
-        priority_list.push_back(NPadControllerType::JoyDual);
-        priority_list.push_back(NPadControllerType::ProController);
-        priority_list.push_back(NPadControllerType::JoyLeft);
-        priority_list.push_back(NPadControllerType::JoyRight);
-        priority_list.push_back(NPadControllerType::Pokeball);
-        break;
-    case NPadControllerType::JoyDual:
-        if (!is_docked) {
-            priority_list.push_back(NPadControllerType::Handheld);
-        }
-        priority_list.push_back(NPadControllerType::ProController);
-        priority_list.push_back(NPadControllerType::JoyLeft);
-        priority_list.push_back(NPadControllerType::JoyRight);
-        priority_list.push_back(NPadControllerType::Pokeball);
-        break;
-    case NPadControllerType::JoyLeft:
-        priority_list.push_back(NPadControllerType::JoyRight);
-        priority_list.push_back(NPadControllerType::JoyDual);
-        if (!is_docked) {
-            priority_list.push_back(NPadControllerType::Handheld);
-        }
-        priority_list.push_back(NPadControllerType::ProController);
-        priority_list.push_back(NPadControllerType::Pokeball);
-        break;
-    case NPadControllerType::JoyRight:
-        priority_list.push_back(NPadControllerType::JoyLeft);
-        priority_list.push_back(NPadControllerType::JoyDual);
-        if (!is_docked) {
-            priority_list.push_back(NPadControllerType::Handheld);
-        }
-        priority_list.push_back(NPadControllerType::ProController);
-        priority_list.push_back(NPadControllerType::Pokeball);
-        break;
-    case NPadControllerType::Pokeball:
-        priority_list.push_back(NPadControllerType::JoyLeft);
-        priority_list.push_back(NPadControllerType::JoyRight);
-        priority_list.push_back(NPadControllerType::JoyDual);
-        if (!is_docked) {
-            priority_list.push_back(NPadControllerType::Handheld);
-        }
-        priority_list.push_back(NPadControllerType::ProController);
-        break;
-    default:
-        priority_list.push_back(NPadControllerType::JoyDual);
-        if (!is_docked) {
-            priority_list.push_back(NPadControllerType::Handheld);
-        }
-        priority_list.push_back(NPadControllerType::ProController);
-        priority_list.push_back(NPadControllerType::JoyLeft);
-        priority_list.push_back(NPadControllerType::JoyRight);
-        priority_list.push_back(NPadControllerType::JoyDual);
-        break;
-    }
-
-    const auto iter = std::find_if(priority_list.begin(), priority_list.end(),
-                                   [this](auto type) { return IsControllerSupported(type); });
-    if (iter == priority_list.end()) {
-        UNIMPLEMENTED_MSG("Could not find supported controller!");
-        return priority;
-    }
-
-    return *iter;
-}
-
 } // namespace Service::HID
diff --git a/src/core/hle/service/hid/controllers/npad.h b/src/core/hle/service/hid/controllers/npad.h
index 5d4c58a43..fd5c5a6eb 100644
--- a/src/core/hle/service/hid/controllers/npad.h
+++ b/src/core/hle/service/hid/controllers/npad.h
@@ -32,6 +32,10 @@ public:
     // When the controller is requesting an update for the shared memory
     void OnUpdate(const Core::Timing::CoreTiming& core_timing, u8* data, std::size_t size) override;
 
+    // When the controller is requesting a motion update for the shared memory
+    void OnMotionUpdate(const Core::Timing::CoreTiming& core_timing, u8* data,
+                        std::size_t size) override;
+
     // Called when input devices should be loaded
     void OnLoadInputDevices() override;
 
@@ -74,6 +78,12 @@ public:
         Single = 1,
     };
 
+    enum class NpadHandheldActivationMode : u64 {
+        Dual = 0,
+        Single = 1,
+        None = 2,
+    };
+
     enum class NPadControllerType {
         None,
         ProController,
@@ -110,22 +120,34 @@ public:
     void SetHoldType(NpadHoldType joy_hold_type);
     NpadHoldType GetHoldType() const;
 
+    void SetNpadHandheldActivationMode(NpadHandheldActivationMode activation_mode);
+    NpadHandheldActivationMode GetNpadHandheldActivationMode() const;
+
     void SetNpadMode(u32 npad_id, NPadAssignments assignment_mode);
 
-    void VibrateController(const std::vector<u32>& controller_ids,
+    void VibrateController(const std::vector<u32>& controllers,
                            const std::vector<Vibration>& vibrations);
 
-    std::shared_ptr<Kernel::ReadableEvent> GetStyleSetChangedEvent(u32 npad_id) const;
     Vibration GetLastVibration() const;
 
-    void AddNewController(NPadControllerType controller);
-    void AddNewControllerAt(NPadControllerType controller, u32 npad_id);
+    std::shared_ptr<Kernel::ReadableEvent> GetStyleSetChangedEvent(u32 npad_id) const;
+    void SignalStyleSetChangedEvent(u32 npad_id) const;
+
+    // Adds a new controller at an index.
+    void AddNewControllerAt(NPadControllerType controller, std::size_t npad_index);
+    // Adds a new controller at an index with connection status.
+    void UpdateControllerAt(NPadControllerType controller, std::size_t npad_index, bool connected);
 
-    void ConnectNPad(u32 npad_id);
     void DisconnectNPad(u32 npad_id);
+    void DisconnectNPadAtIndex(std::size_t index);
+
     void SetGyroscopeZeroDriftMode(GyroscopeZeroDriftMode drift_mode);
     GyroscopeZeroDriftMode GetGyroscopeZeroDriftMode() const;
+    bool IsSixAxisSensorAtRest() const;
+    void SetSixAxisEnabled(bool six_axis_status);
     LedPattern GetLedPattern(u32 npad_id);
+    bool IsUnintendedHomeButtonInputProtectionEnabled(u32 npad_id) const;
+    void SetUnintendedHomeButtonInputProtectionEnabled(bool is_protection_enabled, u32 npad_id);
     void SetVibrationEnabled(bool can_vibrate);
     bool IsVibrationEnabled() const;
     void ClearAllConnectedControllers();
@@ -133,6 +155,7 @@ public:
     void ConnectAllDisconnectedControllers();
     void ClearAllControllers();
 
+    void MergeSingleJoyAsDualJoy(u32 npad_id_1, u32 npad_id_2);
     void StartLRAssignmentMode();
     void StopLRAssignmentMode();
     bool SwapNpadAssignment(u32 npad_id_1, u32 npad_id_2);
@@ -141,6 +164,8 @@ public:
     // Specifically for cheat engine and other features.
     u32 GetAndResetPressState();
 
+    static Controller_NPad::NPadControllerType MapSettingsTypeToNPad(Settings::ControllerType type);
+    static Settings::ControllerType MapNPadToSettingsType(Controller_NPad::NPadControllerType type);
     static std::size_t NPadIdToIndex(u32 npad_id);
     static u32 IndexToNPad(std::size_t index);
 
@@ -244,6 +269,24 @@ private:
     };
     static_assert(sizeof(NPadGeneric) == 0x350, "NPadGeneric is an invalid size");
 
+    struct SixAxisStates {
+        s64_le timestamp{};
+        INSERT_PADDING_WORDS(2);
+        s64_le timestamp2{};
+        Common::Vec3f accel{};
+        Common::Vec3f gyro{};
+        Common::Vec3f rotation{};
+        std::array<Common::Vec3f, 3> orientation{};
+        s64_le always_one{1};
+    };
+    static_assert(sizeof(SixAxisStates) == 0x68, "SixAxisStates is an invalid size");
+
+    struct SixAxisGeneric {
+        CommonHeader common{};
+        std::array<SixAxisStates, 17> sixaxis{};
+    };
+    static_assert(sizeof(SixAxisGeneric) == 0x708, "SixAxisGeneric is an invalid size");
+
     enum class ColorReadError : u32_le {
         ReadOk = 0,
         ColorDoesntExist = 1,
@@ -273,6 +316,13 @@ private:
         };
     };
 
+    struct MotionDevice {
+        Common::Vec3f accel;
+        Common::Vec3f gyro;
+        Common::Vec3f rotation;
+        std::array<Common::Vec3f, 3> orientation;
+    };
+
     struct NPadEntry {
         NPadType joy_styles;
         NPadAssignments pad_assignment;
@@ -292,9 +342,12 @@ private:
         NPadGeneric pokeball_states;
         NPadGeneric libnx; // TODO(ogniK): Find out what this actually is, libnx seems to only be
                            // relying on this for the time being
-        INSERT_PADDING_BYTES(
-            0x708 *
-            6); // TODO(ogniK): SixAxis states, require more information before implementation
+        SixAxisGeneric sixaxis_full;
+        SixAxisGeneric sixaxis_handheld;
+        SixAxisGeneric sixaxis_dual_left;
+        SixAxisGeneric sixaxis_dual_right;
+        SixAxisGeneric sixaxis_left;
+        SixAxisGeneric sixaxis_right;
         NPadDevice device_type;
         NPadProperties properties;
         INSERT_PADDING_WORDS(1);
@@ -309,31 +362,38 @@ private:
         bool is_connected;
     };
 
-    void InitNewlyAddedControler(std::size_t controller_idx);
+    void InitNewlyAddedController(std::size_t controller_idx);
     bool IsControllerSupported(NPadControllerType controller) const;
-    NPadControllerType DecideBestController(NPadControllerType priority) const;
     void RequestPadStateUpdate(u32 npad_id);
 
     u32 press_state{};
 
     NPadType style{};
     std::array<NPadEntry, 10> shared_memory_entries{};
-    std::array<
+    using ButtonArray = std::array<
         std::array<std::unique_ptr<Input::ButtonDevice>, Settings::NativeButton::NUM_BUTTONS_HID>,
-        10>
-        buttons;
-    std::array<
+        10>;
+    using StickArray = std::array<
         std::array<std::unique_ptr<Input::AnalogDevice>, Settings::NativeAnalog::NUM_STICKS_HID>,
-        10>
-        sticks;
+        10>;
+    using MotionArray = std::array<
+        std::array<std::unique_ptr<Input::MotionDevice>, Settings::NativeMotion::NUM_MOTION_HID>,
+        10>;
+    ButtonArray buttons;
+    StickArray sticks;
+    MotionArray motions;
     std::vector<u32> supported_npad_id_types{};
     NpadHoldType hold_type{NpadHoldType::Vertical};
+    NpadHandheldActivationMode handheld_activation_mode{NpadHandheldActivationMode::Dual};
     // Each controller should have their own styleset changed event
     std::array<Kernel::EventPair, 10> styleset_changed_events;
     Vibration last_processed_vibration{};
     std::array<ControllerHolder, 10> connected_controllers{};
+    std::array<bool, 10> unintended_home_button_input_protection{};
     GyroscopeZeroDriftMode gyroscope_zero_drift_mode{GyroscopeZeroDriftMode::Standard};
     bool can_controllers_vibrate{true};
+    bool sixaxis_sensors_enabled{true};
+    bool sixaxis_at_rest{true};
     std::array<ControllerPad, 10> npad_pad_states{};
     bool is_in_lr_assignment_mode{false};
     Core::System& system;
diff --git a/src/core/hle/service/hid/controllers/touchscreen.cpp b/src/core/hle/service/hid/controllers/touchscreen.cpp
index e326f8f5c..0df395e85 100644
--- a/src/core/hle/service/hid/controllers/touchscreen.cpp
+++ b/src/core/hle/service/hid/controllers/touchscreen.cpp
@@ -40,9 +40,14 @@ void Controller_Touchscreen::OnUpdate(const Core::Timing::CoreTiming& core_timin
     cur_entry.sampling_number = last_entry.sampling_number + 1;
     cur_entry.sampling_number2 = cur_entry.sampling_number;
 
-    const auto [x, y, pressed] = touch_device->GetStatus();
+    bool pressed = false;
+    float x, y;
+    std::tie(x, y, pressed) = touch_device->GetStatus();
     auto& touch_entry = cur_entry.states[0];
     touch_entry.attribute.raw = 0;
+    if (!pressed && touch_btn_device) {
+        std::tie(x, y, pressed) = touch_btn_device->GetStatus();
+    }
     if (pressed && Settings::values.touchscreen.enabled) {
         touch_entry.x = static_cast<u16>(x * Layout::ScreenUndocked::Width);
         touch_entry.y = static_cast<u16>(y * Layout::ScreenUndocked::Height);
@@ -63,5 +68,10 @@ void Controller_Touchscreen::OnUpdate(const Core::Timing::CoreTiming& core_timin
 
 void Controller_Touchscreen::OnLoadInputDevices() {
     touch_device = Input::CreateDevice<Input::TouchDevice>(Settings::values.touchscreen.device);
+    if (Settings::values.use_touch_from_button) {
+        touch_btn_device = Input::CreateDevice<Input::TouchDevice>("engine:touch_from_button");
+    } else {
+        touch_btn_device.reset();
+    }
 }
 } // namespace Service::HID
diff --git a/src/core/hle/service/hid/controllers/touchscreen.h b/src/core/hle/service/hid/controllers/touchscreen.h
index a1d97269e..4d9042adc 100644
--- a/src/core/hle/service/hid/controllers/touchscreen.h
+++ b/src/core/hle/service/hid/controllers/touchscreen.h
@@ -68,6 +68,7 @@ private:
                   "TouchScreenSharedMemory is an invalid size");
     TouchScreenSharedMemory shared_memory{};
     std::unique_ptr<Input::TouchDevice> touch_device;
+    std::unique_ptr<Input::TouchDevice> touch_btn_device;
     s64_le last_touch{};
 };
 } // namespace Service::HID
diff --git a/src/core/hle/service/hid/hid.cpp b/src/core/hle/service/hid/hid.cpp
index e9020e0dc..71dbaba7f 100644
--- a/src/core/hle/service/hid/hid.cpp
+++ b/src/core/hle/service/hid/hid.cpp
@@ -38,10 +38,10 @@
 namespace Service::HID {
 
 // Updating period for each HID device.
-// TODO(ogniK): Find actual polling rate of hid
-constexpr s64 pad_update_ticks = static_cast<s64>(1000000000 / 66);
-[[maybe_unused]] constexpr s64 accelerometer_update_ticks = static_cast<s64>(1000000000 / 100);
-[[maybe_unused]] constexpr s64 gyroscope_update_ticks = static_cast<s64>(1000000000 / 100);
+// HID is polled every 15ms, this value was derived from
+// https://github.com/dekuNukem/Nintendo_Switch_Reverse_Engineering#joy-con-status-data-packet
+constexpr auto pad_update_ns = std::chrono::nanoseconds{1000 * 1000};         // (1ms, 1000Hz)
+constexpr auto motion_update_ns = std::chrono::nanoseconds{15 * 1000 * 1000}; // (15ms, 66.666Hz)
 constexpr std::size_t SHARED_MEMORY_SIZE = 0x40000;
 
 IAppletResource::IAppletResource(Core::System& system)
@@ -75,14 +75,19 @@ IAppletResource::IAppletResource(Core::System& system)
     GetController<Controller_Stubbed>(HidController::Unknown3).SetCommonHeaderOffset(0x5000);
 
     // Register update callbacks
-    pad_update_event =
-        Core::Timing::CreateEvent("HID::UpdatePadCallback", [this](u64 userdata, s64 ns_late) {
-            UpdateControllers(userdata, ns_late);
+    pad_update_event = Core::Timing::CreateEvent(
+        "HID::UpdatePadCallback",
+        [this](std::uintptr_t user_data, std::chrono::nanoseconds ns_late) {
+            UpdateControllers(user_data, ns_late);
+        });
+    motion_update_event = Core::Timing::CreateEvent(
+        "HID::MotionPadCallback",
+        [this](std::uintptr_t user_data, std::chrono::nanoseconds ns_late) {
+            UpdateMotion(user_data, ns_late);
         });
 
-    // TODO(shinyquagsire23): Other update callbacks? (accel, gyro?)
-
-    system.CoreTiming().ScheduleEvent(pad_update_ticks, pad_update_event);
+    system.CoreTiming().ScheduleEvent(pad_update_ns, pad_update_event);
+    system.CoreTiming().ScheduleEvent(motion_update_ns, motion_update_event);
 
     ReloadInputDevices();
 }
@@ -107,7 +112,8 @@ void IAppletResource::GetSharedMemoryHandle(Kernel::HLERequestContext& ctx) {
     rb.PushCopyObjects(shared_mem);
 }
 
-void IAppletResource::UpdateControllers(u64 userdata, s64 ns_late) {
+void IAppletResource::UpdateControllers(std::uintptr_t user_data,
+                                        std::chrono::nanoseconds ns_late) {
     auto& core_timing = system.CoreTiming();
 
     const bool should_reload = Settings::values.is_device_reload_pending.exchange(false);
@@ -118,7 +124,17 @@ void IAppletResource::UpdateControllers(u64 userdata, s64 ns_late) {
         controller->OnUpdate(core_timing, shared_mem->GetPointer(), SHARED_MEMORY_SIZE);
     }
 
-    core_timing.ScheduleEvent(pad_update_ticks - ns_late, pad_update_event);
+    core_timing.ScheduleEvent(pad_update_ns - ns_late, pad_update_event);
+}
+
+void IAppletResource::UpdateMotion(std::uintptr_t user_data, std::chrono::nanoseconds ns_late) {
+    auto& core_timing = system.CoreTiming();
+
+    for (const auto& controller : controllers) {
+        controller->OnMotionUpdate(core_timing, shared_mem->GetPointer(), SHARED_MEMORY_SIZE);
+    }
+
+    core_timing.ScheduleEvent(motion_update_ns - ns_late, motion_update_event);
 }
 
 class IActiveVibrationDeviceList final : public ServiceFramework<IActiveVibrationDeviceList> {
@@ -163,8 +179,8 @@ Hid::Hid(Core::System& system) : ServiceFramework("hid"), system(system) {
         {56, nullptr, "ActivateJoyXpad"},
         {58, nullptr, "GetJoyXpadLifoHandle"},
         {59, nullptr, "GetJoyXpadIds"},
-        {60, nullptr, "ActivateSixAxisSensor"},
-        {61, nullptr, "DeactivateSixAxisSensor"},
+        {60, &Hid::ActivateSixAxisSensor, "ActivateSixAxisSensor"},
+        {61, &Hid::DeactivateSixAxisSensor, "DeactivateSixAxisSensor"},
         {62, nullptr, "GetSixAxisSensorLifoHandle"},
         {63, nullptr, "ActivateJoySixAxisSensor"},
         {64, nullptr, "DeactivateJoySixAxisSensor"},
@@ -172,7 +188,7 @@ Hid::Hid(Core::System& system) : ServiceFramework("hid"), system(system) {
         {66, &Hid::StartSixAxisSensor, "StartSixAxisSensor"},
         {67, &Hid::StopSixAxisSensor, "StopSixAxisSensor"},
         {68, nullptr, "IsSixAxisSensorFusionEnabled"},
-        {69, nullptr, "EnableSixAxisSensorFusion"},
+        {69, &Hid::EnableSixAxisSensorFusion, "EnableSixAxisSensorFusion"},
         {70, nullptr, "SetSixAxisSensorFusionParameters"},
         {71, nullptr, "GetSixAxisSensorFusionParameters"},
         {72, nullptr, "ResetSixAxisSensorFusionParameters"},
@@ -208,8 +224,8 @@ Hid::Hid(Core::System& system) : ServiceFramework("hid"), system(system) {
         {128, &Hid::SetNpadHandheldActivationMode, "SetNpadHandheldActivationMode"},
         {129, &Hid::GetNpadHandheldActivationMode, "GetNpadHandheldActivationMode"},
         {130, &Hid::SwapNpadAssignment, "SwapNpadAssignment"},
-        {131, nullptr, "IsUnintendedHomeButtonInputProtectionEnabled"},
-        {132, nullptr, "EnableUnintendedHomeButtonInputProtection"},
+        {131, &Hid::IsUnintendedHomeButtonInputProtectionEnabled, "IsUnintendedHomeButtonInputProtectionEnabled"},
+        {132, &Hid::EnableUnintendedHomeButtonInputProtection, "EnableUnintendedHomeButtonInputProtection"},
         {133, nullptr, "SetNpadJoyAssignmentModeSingleWithDestination"},
         {134, nullptr, "SetNpadAnalogStickUseCenterClamp"},
         {135, nullptr, "SetNpadCaptureButtonAssignment"},
@@ -328,6 +344,31 @@ void Hid::GetXpadIDs(Kernel::HLERequestContext& ctx) {
     rb.Push(0);
 }
 
+void Hid::ActivateSixAxisSensor(Kernel::HLERequestContext& ctx) {
+    IPC::RequestParser rp{ctx};
+    const auto handle{rp.Pop<u32>()};
+    const auto applet_resource_user_id{rp.Pop<u64>()};
+    applet_resource->GetController<Controller_NPad>(HidController::NPad).SetSixAxisEnabled(true);
+    LOG_DEBUG(Service_HID, "called, handle={}, applet_resource_user_id={}", handle,
+              applet_resource_user_id);
+
+    IPC::ResponseBuilder rb{ctx, 2};
+    rb.Push(RESULT_SUCCESS);
+}
+
+void Hid::DeactivateSixAxisSensor(Kernel::HLERequestContext& ctx) {
+    IPC::RequestParser rp{ctx};
+    const auto handle{rp.Pop<u32>()};
+    const auto applet_resource_user_id{rp.Pop<u64>()};
+    applet_resource->GetController<Controller_NPad>(HidController::NPad).SetSixAxisEnabled(false);
+
+    LOG_DEBUG(Service_HID, "called, handle={}, applet_resource_user_id={}", handle,
+              applet_resource_user_id);
+
+    IPC::ResponseBuilder rb{ctx, 2};
+    rb.Push(RESULT_SUCCESS);
+}
+
 void Hid::ActivateDebugPad(Kernel::HLERequestContext& ctx) {
     IPC::RequestParser rp{ctx};
     const auto applet_resource_user_id{rp.Pop<u64>()};
@@ -432,6 +473,19 @@ void Hid::StopSixAxisSensor(Kernel::HLERequestContext& ctx) {
     rb.Push(RESULT_SUCCESS);
 }
 
+void Hid::EnableSixAxisSensorFusion(Kernel::HLERequestContext& ctx) {
+    IPC::RequestParser rp{ctx};
+    const auto enable{rp.Pop<bool>()};
+    const auto handle{rp.Pop<u32>()};
+    const auto applet_resource_user_id{rp.Pop<u64>()};
+
+    LOG_WARNING(Service_HID, "(STUBBED) called, handle={}, applet_resource_user_id={}", handle,
+                applet_resource_user_id);
+
+    IPC::ResponseBuilder rb{ctx, 2};
+    rb.Push(RESULT_SUCCESS);
+}
+
 void Hid::SetGyroscopeZeroDriftMode(Kernel::HLERequestContext& ctx) {
     IPC::RequestParser rp{ctx};
     const auto handle{rp.Pop<u32>()};
@@ -483,13 +537,13 @@ void Hid::IsSixAxisSensorAtRest(Kernel::HLERequestContext& ctx) {
     const auto handle{rp.Pop<u32>()};
     const auto applet_resource_user_id{rp.Pop<u64>()};
 
-    LOG_WARNING(Service_HID, "(STUBBED) called, handle={}, applet_resource_user_id={}", handle,
-                applet_resource_user_id);
+    LOG_DEBUG(Service_HID, "called, handle={}, applet_resource_user_id={}", handle,
+              applet_resource_user_id);
 
     IPC::ResponseBuilder rb{ctx, 3};
     rb.Push(RESULT_SUCCESS);
-    // TODO (Hexagon12): Properly implement reading gyroscope values from controllers.
-    rb.Push(true);
+    rb.Push(applet_resource->GetController<Controller_NPad>(HidController::NPad)
+                .IsSixAxisSensorAtRest());
 }
 
 void Hid::SetSupportedNpadStyleSet(Kernel::HLERequestContext& ctx) {
@@ -670,13 +724,15 @@ void Hid::SetNpadJoyAssignmentModeDual(Kernel::HLERequestContext& ctx) {
 
 void Hid::MergeSingleJoyAsDualJoy(Kernel::HLERequestContext& ctx) {
     IPC::RequestParser rp{ctx};
-    const auto unknown_1{rp.Pop<u32>()};
-    const auto unknown_2{rp.Pop<u32>()};
+    const auto npad_id_1{rp.Pop<u32>()};
+    const auto npad_id_2{rp.Pop<u32>()};
     const auto applet_resource_user_id{rp.Pop<u64>()};
 
-    LOG_WARNING(Service_HID,
-                "(STUBBED) called, unknown_1={}, unknown_2={}, applet_resource_user_id={}",
-                unknown_1, unknown_2, applet_resource_user_id);
+    LOG_DEBUG(Service_HID, "called, npad_id_1={}, npad_id_2={}, applet_resource_user_id={}",
+              npad_id_1, npad_id_2, applet_resource_user_id);
+
+    auto& controller = applet_resource->GetController<Controller_NPad>(HidController::NPad);
+    controller.MergeSingleJoyAsDualJoy(npad_id_1, npad_id_2);
 
     IPC::ResponseBuilder rb{ctx, 2};
     rb.Push(RESULT_SUCCESS);
@@ -711,8 +767,11 @@ void Hid::SetNpadHandheldActivationMode(Kernel::HLERequestContext& ctx) {
     const auto applet_resource_user_id{rp.Pop<u64>()};
     const auto mode{rp.Pop<u64>()};
 
-    LOG_WARNING(Service_HID, "(STUBBED) called, applet_resource_user_id={}, mode={}",
-                applet_resource_user_id, mode);
+    LOG_DEBUG(Service_HID, "called, applet_resource_user_id={}, mode={}", applet_resource_user_id,
+              mode);
+
+    applet_resource->GetController<Controller_NPad>(HidController::NPad)
+        .SetNpadHandheldActivationMode(Controller_NPad::NpadHandheldActivationMode{mode});
 
     IPC::ResponseBuilder rb{ctx, 2};
     rb.Push(RESULT_SUCCESS);
@@ -722,11 +781,13 @@ void Hid::GetNpadHandheldActivationMode(Kernel::HLERequestContext& ctx) {
     IPC::RequestParser rp{ctx};
     const auto applet_resource_user_id{rp.Pop<u64>()};
 
-    LOG_WARNING(Service_HID, "(STUBBED) called, applet_resource_user_id={}",
-                applet_resource_user_id);
+    LOG_DEBUG(Service_HID, "called, applet_resource_user_id={}", applet_resource_user_id);
 
-    IPC::ResponseBuilder rb{ctx, 2};
+    IPC::ResponseBuilder rb{ctx, 4};
     rb.Push(RESULT_SUCCESS);
+    rb.Push<u64>(
+        static_cast<u64>(applet_resource->GetController<Controller_NPad>(HidController::NPad)
+                             .GetNpadHandheldActivationMode()));
 }
 
 void Hid::SwapNpadAssignment(Kernel::HLERequestContext& ctx) {
@@ -748,6 +809,40 @@ void Hid::SwapNpadAssignment(Kernel::HLERequestContext& ctx) {
     }
 }
 
+void Hid::IsUnintendedHomeButtonInputProtectionEnabled(Kernel::HLERequestContext& ctx) {
+    IPC::RequestParser rp{ctx};
+    const auto npad_id{rp.Pop<u32>()};
+    const auto applet_resource_user_id{rp.Pop<u64>()};
+
+    LOG_WARNING(Service_HID, "(STUBBED) called, npad_id={}, applet_resource_user_id={}", npad_id,
+                applet_resource_user_id);
+
+    auto& controller = applet_resource->GetController<Controller_NPad>(HidController::NPad);
+
+    IPC::ResponseBuilder rb{ctx, 3};
+    rb.Push(RESULT_SUCCESS);
+    rb.Push<bool>(controller.IsUnintendedHomeButtonInputProtectionEnabled(npad_id));
+}
+
+void Hid::EnableUnintendedHomeButtonInputProtection(Kernel::HLERequestContext& ctx) {
+    IPC::RequestParser rp{ctx};
+    const auto unintended_home_button_input_protection{rp.Pop<bool>()};
+    const auto npad_id{rp.Pop<u32>()};
+    const auto applet_resource_user_id{rp.Pop<u64>()};
+
+    LOG_WARNING(Service_HID,
+                "(STUBBED) called, unintended_home_button_input_protection={}, npad_id={},"
+                "applet_resource_user_id={}",
+                npad_id, unintended_home_button_input_protection, applet_resource_user_id);
+
+    auto& controller = applet_resource->GetController<Controller_NPad>(HidController::NPad);
+    controller.SetUnintendedHomeButtonInputProtectionEnabled(
+        unintended_home_button_input_protection, npad_id);
+
+    IPC::ResponseBuilder rb{ctx, 2};
+    rb.Push(RESULT_SUCCESS);
+}
+
 void Hid::BeginPermitVibrationSession(Kernel::HLERequestContext& ctx) {
     IPC::RequestParser rp{ctx};
     const auto applet_resource_user_id{rp.Pop<u64>()};
@@ -769,18 +864,18 @@ void Hid::EndPermitVibrationSession(Kernel::HLERequestContext& ctx) {
 
 void Hid::SendVibrationValue(Kernel::HLERequestContext& ctx) {
     IPC::RequestParser rp{ctx};
-    const auto controller_id{rp.Pop<u32>()};
+    const auto controller{rp.Pop<u32>()};
     const auto vibration_values{rp.PopRaw<Controller_NPad::Vibration>()};
     const auto applet_resource_user_id{rp.Pop<u64>()};
 
-    LOG_DEBUG(Service_HID, "called, controller_id={}, applet_resource_user_id={}", controller_id,
+    LOG_DEBUG(Service_HID, "called, controller={}, applet_resource_user_id={}", controller,
               applet_resource_user_id);
 
     IPC::ResponseBuilder rb{ctx, 2};
     rb.Push(RESULT_SUCCESS);
 
     applet_resource->GetController<Controller_NPad>(HidController::NPad)
-        .VibrateController({controller_id}, {vibration_values});
+        .VibrateController({controller}, {vibration_values});
 }
 
 void Hid::SendVibrationValues(Kernel::HLERequestContext& ctx) {
@@ -798,8 +893,6 @@ void Hid::SendVibrationValues(Kernel::HLERequestContext& ctx) {
 
     std::memcpy(controller_list.data(), controllers.data(), controllers.size());
     std::memcpy(vibration_list.data(), vibrations.data(), vibrations.size());
-    std::transform(controller_list.begin(), controller_list.end(), controller_list.begin(),
-                   [](u32 controller_id) { return controller_id - 3; });
 
     applet_resource->GetController<Controller_NPad>(HidController::NPad)
         .VibrateController(controller_list, vibration_list);
@@ -842,8 +935,7 @@ void Hid::CreateActiveVibrationDeviceList(Kernel::HLERequestContext& ctx) {
 void Hid::PermitVibration(Kernel::HLERequestContext& ctx) {
     IPC::RequestParser rp{ctx};
     const auto can_vibrate{rp.Pop<bool>()};
-    applet_resource->GetController<Controller_NPad>(HidController::NPad)
-        .SetVibrationEnabled(can_vibrate);
+    Settings::values.vibration_enabled = can_vibrate;
 
     LOG_DEBUG(Service_HID, "called, can_vibrate={}", can_vibrate);
 
@@ -856,8 +948,7 @@ void Hid::IsVibrationPermitted(Kernel::HLERequestContext& ctx) {
 
     IPC::ResponseBuilder rb{ctx, 3};
     rb.Push(RESULT_SUCCESS);
-    rb.Push(
-        applet_resource->GetController<Controller_NPad>(HidController::NPad).IsVibrationEnabled());
+    rb.Push(Settings::values.vibration_enabled);
 }
 
 void Hid::ActivateConsoleSixAxisSensor(Kernel::HLERequestContext& ctx) {
diff --git a/src/core/hle/service/hid/hid.h b/src/core/hle/service/hid/hid.h
index 6fb048360..fd0372b18 100644
--- a/src/core/hle/service/hid/hid.h
+++ b/src/core/hle/service/hid/hid.h
@@ -4,10 +4,9 @@
 
 #pragma once
 
-#include "core/hle/service/hid/controllers/controller_base.h"
-#include "core/hle/service/service.h"
+#include <chrono>
 
-#include "controllers/controller_base.h"
+#include "core/hle/service/hid/controllers/controller_base.h"
 #include "core/hle/service/service.h"
 
 namespace Core::Timing {
@@ -65,11 +64,13 @@ private:
     }
 
     void GetSharedMemoryHandle(Kernel::HLERequestContext& ctx);
-    void UpdateControllers(u64 userdata, s64 cycles_late);
+    void UpdateControllers(std::uintptr_t user_data, std::chrono::nanoseconds ns_late);
+    void UpdateMotion(std::uintptr_t user_data, std::chrono::nanoseconds ns_late);
 
     std::shared_ptr<Kernel::SharedMemory> shared_mem;
 
     std::shared_ptr<Core::Timing::EventType> pad_update_event;
+    std::shared_ptr<Core::Timing::EventType> motion_update_event;
     Core::System& system;
 
     std::array<std::unique_ptr<ControllerBase>, static_cast<size_t>(HidController::MaxControllers)>
@@ -87,6 +88,8 @@ private:
     void CreateAppletResource(Kernel::HLERequestContext& ctx);
     void ActivateXpad(Kernel::HLERequestContext& ctx);
     void GetXpadIDs(Kernel::HLERequestContext& ctx);
+    void ActivateSixAxisSensor(Kernel::HLERequestContext& ctx);
+    void DeactivateSixAxisSensor(Kernel::HLERequestContext& ctx);
     void ActivateDebugPad(Kernel::HLERequestContext& ctx);
     void ActivateTouchScreen(Kernel::HLERequestContext& ctx);
     void ActivateMouse(Kernel::HLERequestContext& ctx);
@@ -96,6 +99,7 @@ private:
     void ActivateNpadWithRevision(Kernel::HLERequestContext& ctx);
     void StartSixAxisSensor(Kernel::HLERequestContext& ctx);
     void StopSixAxisSensor(Kernel::HLERequestContext& ctx);
+    void EnableSixAxisSensorFusion(Kernel::HLERequestContext& ctx);
     void SetGyroscopeZeroDriftMode(Kernel::HLERequestContext& ctx);
     void GetGyroscopeZeroDriftMode(Kernel::HLERequestContext& ctx);
     void ResetGyroscopeZeroDriftMode(Kernel::HLERequestContext& ctx);
@@ -119,6 +123,8 @@ private:
     void SetNpadHandheldActivationMode(Kernel::HLERequestContext& ctx);
     void GetNpadHandheldActivationMode(Kernel::HLERequestContext& ctx);
     void SwapNpadAssignment(Kernel::HLERequestContext& ctx);
+    void IsUnintendedHomeButtonInputProtectionEnabled(Kernel::HLERequestContext& ctx);
+    void EnableUnintendedHomeButtonInputProtection(Kernel::HLERequestContext& ctx);
     void BeginPermitVibrationSession(Kernel::HLERequestContext& ctx);
     void EndPermitVibrationSession(Kernel::HLERequestContext& ctx);
     void SendVibrationValue(Kernel::HLERequestContext& ctx);
diff --git a/src/core/hle/service/ldr/ldr.cpp b/src/core/hle/service/ldr/ldr.cpp
index 64a526b9e..d8cd10e31 100644
--- a/src/core/hle/service/ldr/ldr.cpp
+++ b/src/core/hle/service/ldr/ldr.cpp
@@ -310,7 +310,7 @@ public:
 
     ResultVal<VAddr> MapProcessCodeMemory(Kernel::Process* process, VAddr baseAddress,
                                           u64 size) const {
-        for (int retry{}; retry < MAXIMUM_MAP_RETRIES; retry++) {
+        for (std::size_t retry = 0; retry < MAXIMUM_MAP_RETRIES; retry++) {
             auto& page_table{process->PageTable()};
             const VAddr addr{GetRandomMapRegion(page_table, size)};
             const ResultCode result{page_table.MapProcessCodeMemory(addr, baseAddress, size)};
@@ -331,8 +331,7 @@ public:
 
     ResultVal<VAddr> MapNro(Kernel::Process* process, VAddr nro_addr, std::size_t nro_size,
                             VAddr bss_addr, std::size_t bss_size, std::size_t size) const {
-
-        for (int retry{}; retry < MAXIMUM_MAP_RETRIES; retry++) {
+        for (std::size_t retry = 0; retry < MAXIMUM_MAP_RETRIES; retry++) {
             auto& page_table{process->PageTable()};
             VAddr addr{};
 
diff --git a/src/core/hle/service/mii/manager.cpp b/src/core/hle/service/mii/manager.cpp
index 4a1d1182e..4730070cb 100644
--- a/src/core/hle/service/mii/manager.cpp
+++ b/src/core/hle/service/mii/manager.cpp
@@ -47,66 +47,67 @@ std::array<T, DestArraySize> ResizeArray(const std::array<T, SourceArraySize>& i
 MiiInfo ConvertStoreDataToInfo(const MiiStoreData& data) {
     MiiStoreBitFields bf;
     std::memcpy(&bf, data.data.data.data(), sizeof(MiiStoreBitFields));
-    MiiInfo info{};
-    info.name = ResizeArray<char16_t, 10, 11>(data.data.name);
-    info.uuid = data.data.uuid;
-    info.font_region = static_cast<u8>(bf.font_region.Value());
-    info.favorite_color = static_cast<u8>(bf.favorite_color.Value());
-    info.gender = static_cast<u8>(bf.gender.Value());
-    info.height = static_cast<u8>(bf.height.Value());
-    info.build = static_cast<u8>(bf.build.Value());
-    info.type = static_cast<u8>(bf.type.Value());
-    info.region_move = static_cast<u8>(bf.region_move.Value());
-    info.faceline_type = static_cast<u8>(bf.faceline_type.Value());
-    info.faceline_color = static_cast<u8>(bf.faceline_color.Value());
-    info.faceline_wrinkle = static_cast<u8>(bf.faceline_wrinkle.Value());
-    info.faceline_make = static_cast<u8>(bf.faceline_makeup.Value());
-    info.hair_type = static_cast<u8>(bf.hair_type.Value());
-    info.hair_color = static_cast<u8>(bf.hair_color.Value());
-    info.hair_flip = static_cast<u8>(bf.hair_flip.Value());
-    info.eye_type = static_cast<u8>(bf.eye_type.Value());
-    info.eye_color = static_cast<u8>(bf.eye_color.Value());
-    info.eye_scale = static_cast<u8>(bf.eye_scale.Value());
-    info.eye_aspect = static_cast<u8>(bf.eye_aspect.Value());
-    info.eye_rotate = static_cast<u8>(bf.eye_rotate.Value());
-    info.eye_x = static_cast<u8>(bf.eye_x.Value());
-    info.eye_y = static_cast<u8>(bf.eye_y.Value());
-    info.eyebrow_type = static_cast<u8>(bf.eyebrow_type.Value());
-    info.eyebrow_color = static_cast<u8>(bf.eyebrow_color.Value());
-    info.eyebrow_scale = static_cast<u8>(bf.eyebrow_scale.Value());
-    info.eyebrow_aspect = static_cast<u8>(bf.eyebrow_aspect.Value());
-    info.eyebrow_rotate = static_cast<u8>(bf.eyebrow_rotate.Value());
-    info.eyebrow_x = static_cast<u8>(bf.eyebrow_x.Value());
-    info.eyebrow_y = static_cast<u8>(bf.eyebrow_y.Value() + 3);
-    info.nose_type = static_cast<u8>(bf.nose_type.Value());
-    info.nose_scale = static_cast<u8>(bf.nose_scale.Value());
-    info.nose_y = static_cast<u8>(bf.nose_y.Value());
-    info.mouth_type = static_cast<u8>(bf.mouth_type.Value());
-    info.mouth_color = static_cast<u8>(bf.mouth_color.Value());
-    info.mouth_scale = static_cast<u8>(bf.mouth_scale.Value());
-    info.mouth_aspect = static_cast<u8>(bf.mouth_aspect.Value());
-    info.mouth_y = static_cast<u8>(bf.mouth_y.Value());
-    info.beard_color = static_cast<u8>(bf.beard_color.Value());
-    info.beard_type = static_cast<u8>(bf.beard_type.Value());
-    info.mustache_type = static_cast<u8>(bf.mustache_type.Value());
-    info.mustache_scale = static_cast<u8>(bf.mustache_scale.Value());
-    info.mustache_y = static_cast<u8>(bf.mustache_y.Value());
-    info.glasses_type = static_cast<u8>(bf.glasses_type.Value());
-    info.glasses_color = static_cast<u8>(bf.glasses_color.Value());
-    info.glasses_scale = static_cast<u8>(bf.glasses_scale.Value());
-    info.glasses_y = static_cast<u8>(bf.glasses_y.Value());
-    info.mole_type = static_cast<u8>(bf.mole_type.Value());
-    info.mole_scale = static_cast<u8>(bf.mole_scale.Value());
-    info.mole_x = static_cast<u8>(bf.mole_x.Value());
-    info.mole_y = static_cast<u8>(bf.mole_y.Value());
-    return info;
+
+    return {
+        .uuid = data.data.uuid,
+        .name = ResizeArray<char16_t, 10, 11>(data.data.name),
+        .font_region = static_cast<u8>(bf.font_region.Value()),
+        .favorite_color = static_cast<u8>(bf.favorite_color.Value()),
+        .gender = static_cast<u8>(bf.gender.Value()),
+        .height = static_cast<u8>(bf.height.Value()),
+        .build = static_cast<u8>(bf.build.Value()),
+        .type = static_cast<u8>(bf.type.Value()),
+        .region_move = static_cast<u8>(bf.region_move.Value()),
+        .faceline_type = static_cast<u8>(bf.faceline_type.Value()),
+        .faceline_color = static_cast<u8>(bf.faceline_color.Value()),
+        .faceline_wrinkle = static_cast<u8>(bf.faceline_wrinkle.Value()),
+        .faceline_make = static_cast<u8>(bf.faceline_makeup.Value()),
+        .hair_type = static_cast<u8>(bf.hair_type.Value()),
+        .hair_color = static_cast<u8>(bf.hair_color.Value()),
+        .hair_flip = static_cast<u8>(bf.hair_flip.Value()),
+        .eye_type = static_cast<u8>(bf.eye_type.Value()),
+        .eye_color = static_cast<u8>(bf.eye_color.Value()),
+        .eye_scale = static_cast<u8>(bf.eye_scale.Value()),
+        .eye_aspect = static_cast<u8>(bf.eye_aspect.Value()),
+        .eye_rotate = static_cast<u8>(bf.eye_rotate.Value()),
+        .eye_x = static_cast<u8>(bf.eye_x.Value()),
+        .eye_y = static_cast<u8>(bf.eye_y.Value()),
+        .eyebrow_type = static_cast<u8>(bf.eyebrow_type.Value()),
+        .eyebrow_color = static_cast<u8>(bf.eyebrow_color.Value()),
+        .eyebrow_scale = static_cast<u8>(bf.eyebrow_scale.Value()),
+        .eyebrow_aspect = static_cast<u8>(bf.eyebrow_aspect.Value()),
+        .eyebrow_rotate = static_cast<u8>(bf.eyebrow_rotate.Value()),
+        .eyebrow_x = static_cast<u8>(bf.eyebrow_x.Value()),
+        .eyebrow_y = static_cast<u8>(bf.eyebrow_y.Value() + 3),
+        .nose_type = static_cast<u8>(bf.nose_type.Value()),
+        .nose_scale = static_cast<u8>(bf.nose_scale.Value()),
+        .nose_y = static_cast<u8>(bf.nose_y.Value()),
+        .mouth_type = static_cast<u8>(bf.mouth_type.Value()),
+        .mouth_color = static_cast<u8>(bf.mouth_color.Value()),
+        .mouth_scale = static_cast<u8>(bf.mouth_scale.Value()),
+        .mouth_aspect = static_cast<u8>(bf.mouth_aspect.Value()),
+        .mouth_y = static_cast<u8>(bf.mouth_y.Value()),
+        .beard_color = static_cast<u8>(bf.beard_color.Value()),
+        .beard_type = static_cast<u8>(bf.beard_type.Value()),
+        .mustache_type = static_cast<u8>(bf.mustache_type.Value()),
+        .mustache_scale = static_cast<u8>(bf.mustache_scale.Value()),
+        .mustache_y = static_cast<u8>(bf.mustache_y.Value()),
+        .glasses_type = static_cast<u8>(bf.glasses_type.Value()),
+        .glasses_color = static_cast<u8>(bf.glasses_color.Value()),
+        .glasses_scale = static_cast<u8>(bf.glasses_scale.Value()),
+        .glasses_y = static_cast<u8>(bf.glasses_y.Value()),
+        .mole_type = static_cast<u8>(bf.mole_type.Value()),
+        .mole_scale = static_cast<u8>(bf.mole_scale.Value()),
+        .mole_x = static_cast<u8>(bf.mole_x.Value()),
+        .mole_y = static_cast<u8>(bf.mole_y.Value()),
+    };
 }
 
 u16 GenerateCrc16(const void* data, std::size_t size) {
     s32 crc{};
-    for (int i = 0; i < size; i++) {
-        crc ^= reinterpret_cast<const u8*>(data)[i] << 8;
-        for (int j = 0; j < 8; j++) {
+    for (std::size_t i = 0; i < size; i++) {
+        crc ^= static_cast<const u8*>(data)[i] << 8;
+        for (std::size_t j = 0; j < 8; j++) {
             crc <<= 1;
             if ((crc & 0x10000) != 0) {
                 crc = (crc ^ 0x1021) & 0xFFFF;
diff --git a/src/core/hle/service/nfp/nfp.cpp b/src/core/hle/service/nfp/nfp.cpp
index 4b79eb81d..a0469ffbd 100644
--- a/src/core/hle/service/nfp/nfp.cpp
+++ b/src/core/hle/service/nfp/nfp.cpp
@@ -2,6 +2,7 @@
 // Licensed under GPLv2 or any later version
 // Refer to the license.txt file included.
 
+#include <array>
 #include <atomic>
 
 #include "common/logging/log.h"
@@ -72,10 +73,10 @@ private:
         std::array<u8, 10> uuid;
         u8 uuid_length; // TODO(ogniK): Figure out if this is actual the uuid length or does it
                         // mean something else
-        INSERT_PADDING_BYTES(0x15);
+        std::array<u8, 0x15> padding_1;
         u32_le protocol;
         u32_le tag_type;
-        INSERT_PADDING_BYTES(0x2c);
+        std::array<u8, 0x2c> padding_2;
     };
     static_assert(sizeof(TagInfo) == 0x54, "TagInfo is an invalid size");
 
@@ -127,7 +128,7 @@ private:
         const u32 array_size = rp.Pop<u32>();
         LOG_DEBUG(Service_NFP, "called, array_size={}", array_size);
 
-        ctx.WriteBuffer(&device_handle, sizeof(device_handle));
+        ctx.WriteBuffer(device_handle);
 
         IPC::ResponseBuilder rb{ctx, 3};
         rb.Push(RESULT_SUCCESS);
@@ -213,14 +214,16 @@ private:
         LOG_DEBUG(Service_NFP, "called");
 
         IPC::ResponseBuilder rb{ctx, 2};
-        auto amiibo = nfp_interface.GetAmiiboBuffer();
-        TagInfo tag_info{};
-        tag_info.uuid = amiibo.uuid;
-        tag_info.uuid_length = static_cast<u8>(tag_info.uuid.size());
-
-        tag_info.protocol = 1; // TODO(ogniK): Figure out actual values
-        tag_info.tag_type = 2;
-        ctx.WriteBuffer(&tag_info, sizeof(TagInfo));
+        const auto& amiibo = nfp_interface.GetAmiiboBuffer();
+        const TagInfo tag_info{
+            .uuid = amiibo.uuid,
+            .uuid_length = static_cast<u8>(tag_info.uuid.size()),
+            .padding_1 = {},
+            .protocol = 1, // TODO(ogniK): Figure out actual values
+            .tag_type = 2,
+            .padding_2 = {},
+        };
+        ctx.WriteBuffer(tag_info);
         rb.Push(RESULT_SUCCESS);
     }
 
@@ -236,8 +239,8 @@ private:
         LOG_DEBUG(Service_NFP, "called");
 
         IPC::ResponseBuilder rb{ctx, 2};
-        auto amiibo = nfp_interface.GetAmiiboBuffer();
-        ctx.WriteBuffer(&amiibo.model_info, sizeof(amiibo.model_info));
+        const auto& amiibo = nfp_interface.GetAmiiboBuffer();
+        ctx.WriteBuffer(amiibo.model_info);
         rb.Push(RESULT_SUCCESS);
     }
 
@@ -283,7 +286,7 @@ private:
 
         CommonInfo common_info{};
         common_info.application_area_size = 0;
-        ctx.WriteBuffer(&common_info, sizeof(CommonInfo));
+        ctx.WriteBuffer(common_info);
 
         IPC::ResponseBuilder rb{ctx, 2};
         rb.Push(RESULT_SUCCESS);
diff --git a/src/core/hle/service/nifm/nifm.cpp b/src/core/hle/service/nifm/nifm.cpp
index 01ddcdbd6..2e9d95195 100644
--- a/src/core/hle/service/nifm/nifm.cpp
+++ b/src/core/hle/service/nifm/nifm.cpp
@@ -9,6 +9,7 @@
 #include "core/hle/kernel/writable_event.h"
 #include "core/hle/service/nifm/nifm.h"
 #include "core/hle/service/service.h"
+#include "core/network/network.h"
 #include "core/settings.h"
 
 namespace Service::NIFM {
@@ -174,6 +175,16 @@ private:
         IPC::ResponseBuilder rb{ctx, 2};
         rb.Push(RESULT_SUCCESS);
     }
+    void GetCurrentIpAddress(Kernel::HLERequestContext& ctx) {
+        LOG_WARNING(Service_NIFM, "(STUBBED) called");
+
+        const auto [ipv4, error] = Network::GetHostIPv4Address();
+        UNIMPLEMENTED_IF(error != Network::Errno::SUCCESS);
+
+        IPC::ResponseBuilder rb{ctx, 3};
+        rb.Push(RESULT_SUCCESS);
+        rb.PushRaw(ipv4);
+    }
     void CreateTemporaryNetworkProfile(Kernel::HLERequestContext& ctx) {
         LOG_DEBUG(Service_NIFM, "called");
 
@@ -235,7 +246,7 @@ IGeneralService::IGeneralService(Core::System& system)
         {9, nullptr, "SetNetworkProfile"},
         {10, &IGeneralService::RemoveNetworkProfile, "RemoveNetworkProfile"},
         {11, nullptr, "GetScanDataOld"},
-        {12, nullptr, "GetCurrentIpAddress"},
+        {12, &IGeneralService::GetCurrentIpAddress, "GetCurrentIpAddress"},
         {13, nullptr, "GetCurrentAccessPointOld"},
         {14, &IGeneralService::CreateTemporaryNetworkProfile, "CreateTemporaryNetworkProfile"},
         {15, nullptr, "GetCurrentIpConfigInfo"},
diff --git a/src/core/hle/service/ns/ns.cpp b/src/core/hle/service/ns/ns.cpp
index 886450be2..58ee1f712 100644
--- a/src/core/hle/service/ns/ns.cpp
+++ b/src/core/hle/service/ns/ns.cpp
@@ -5,6 +5,7 @@
 #include "common/logging/log.h"
 #include "core/file_sys/control_metadata.h"
 #include "core/file_sys/patch_manager.h"
+#include "core/file_sys/vfs.h"
 #include "core/hle/ipc_helpers.h"
 #include "core/hle/kernel/hle_ipc.h"
 #include "core/hle/service/ns/errors.h"
diff --git a/src/core/hle/service/nvdrv/devices/nvdevice.h b/src/core/hle/service/nvdrv/devices/nvdevice.h
index 1b52511a5..0240d6643 100644
--- a/src/core/hle/service/nvdrv/devices/nvdevice.h
+++ b/src/core/hle/service/nvdrv/devices/nvdevice.h
@@ -21,8 +21,9 @@ namespace Service::Nvidia::Devices {
 /// implement the ioctl interface.
 class nvdevice {
 public:
-    explicit nvdevice(Core::System& system) : system{system} {};
+    explicit nvdevice(Core::System& system) : system{system} {}
     virtual ~nvdevice() = default;
+
     union Ioctl {
         u32_le raw;
         BitField<0, 8, u32> cmd;
diff --git a/src/core/hle/service/nvdrv/devices/nvhost_as_gpu.cpp b/src/core/hle/service/nvdrv/devices/nvhost_as_gpu.cpp
index 195421cc0..39bd2a45b 100644
--- a/src/core/hle/service/nvdrv/devices/nvhost_as_gpu.cpp
+++ b/src/core/hle/service/nvdrv/devices/nvhost_as_gpu.cpp
@@ -16,11 +16,12 @@
 #include "video_core/renderer_base.h"
 
 namespace Service::Nvidia::Devices {
+
 namespace NvErrCodes {
-enum {
-    InvalidNmapHandle = -22,
-};
-}
+constexpr u32 Success{};
+constexpr u32 OutOfMemory{static_cast<u32>(-12)};
+constexpr u32 InvalidInput{static_cast<u32>(-22)};
+} // namespace NvErrCodes
 
 nvhost_as_gpu::nvhost_as_gpu(Core::System& system, std::shared_ptr<nvmap> nvmap_dev)
     : nvdevice(system), nvmap_dev(std::move(nvmap_dev)) {}
@@ -49,8 +50,9 @@ u32 nvhost_as_gpu::ioctl(Ioctl command, const std::vector<u8>& input, const std:
         break;
     }
 
-    if (static_cast<IoctlCommand>(command.cmd.Value()) == IoctlCommand::IocRemapCommand)
+    if (static_cast<IoctlCommand>(command.cmd.Value()) == IoctlCommand::IocRemapCommand) {
         return Remap(input, output);
+    }
 
     UNIMPLEMENTED_MSG("Unimplemented ioctl command");
     return 0;
@@ -59,6 +61,7 @@ u32 nvhost_as_gpu::ioctl(Ioctl command, const std::vector<u8>& input, const std:
 u32 nvhost_as_gpu::InitalizeEx(const std::vector<u8>& input, std::vector<u8>& output) {
     IoctlInitalizeEx params{};
     std::memcpy(&params, input.data(), input.size());
+
     LOG_WARNING(Service_NVDRV, "(STUBBED) called, big_page_size=0x{:X}", params.big_page_size);
 
     return 0;
@@ -67,53 +70,61 @@ u32 nvhost_as_gpu::InitalizeEx(const std::vector<u8>& input, std::vector<u8>& ou
 u32 nvhost_as_gpu::AllocateSpace(const std::vector<u8>& input, std::vector<u8>& output) {
     IoctlAllocSpace params{};
     std::memcpy(&params, input.data(), input.size());
+
     LOG_DEBUG(Service_NVDRV, "called, pages={:X}, page_size={:X}, flags={:X}", params.pages,
               params.page_size, params.flags);
 
-    auto& gpu = system.GPU();
-    const u64 size{static_cast<u64>(params.pages) * static_cast<u64>(params.page_size)};
-    if (params.flags & 1) {
-        params.offset = gpu.MemoryManager().AllocateSpace(params.offset, size, 1);
+    const auto size{static_cast<u64>(params.pages) * static_cast<u64>(params.page_size)};
+    if ((params.flags & AddressSpaceFlags::FixedOffset) != AddressSpaceFlags::None) {
+        params.offset = *system.GPU().MemoryManager().AllocateFixed(params.offset, size);
     } else {
-        params.offset = gpu.MemoryManager().AllocateSpace(size, params.align);
+        params.offset = system.GPU().MemoryManager().Allocate(size, params.align);
+    }
+
+    auto result{NvErrCodes::Success};
+    if (!params.offset) {
+        LOG_CRITICAL(Service_NVDRV, "allocation failed for size {}", size);
+        result = NvErrCodes::OutOfMemory;
     }
 
     std::memcpy(output.data(), &params, output.size());
-    return 0;
+    return result;
 }
 
 u32 nvhost_as_gpu::Remap(const std::vector<u8>& input, std::vector<u8>& output) {
-    std::size_t num_entries = input.size() / sizeof(IoctlRemapEntry);
+    const auto num_entries = input.size() / sizeof(IoctlRemapEntry);
 
-    LOG_WARNING(Service_NVDRV, "(STUBBED) called, num_entries=0x{:X}", num_entries);
+    LOG_DEBUG(Service_NVDRV, "called, num_entries=0x{:X}", num_entries);
 
+    auto result{NvErrCodes::Success};
     std::vector<IoctlRemapEntry> entries(num_entries);
     std::memcpy(entries.data(), input.data(), input.size());
 
-    auto& gpu = system.GPU();
     for (const auto& entry : entries) {
-        LOG_WARNING(Service_NVDRV, "remap entry, offset=0x{:X} handle=0x{:X} pages=0x{:X}",
-                    entry.offset, entry.nvmap_handle, entry.pages);
-        GPUVAddr offset = static_cast<GPUVAddr>(entry.offset) << 0x10;
-        auto object = nvmap_dev->GetObject(entry.nvmap_handle);
+        LOG_DEBUG(Service_NVDRV, "remap entry, offset=0x{:X} handle=0x{:X} pages=0x{:X}",
+                  entry.offset, entry.nvmap_handle, entry.pages);
+
+        const auto object{nvmap_dev->GetObject(entry.nvmap_handle)};
         if (!object) {
-            LOG_CRITICAL(Service_NVDRV, "nvmap {} is an invalid handle!", entry.nvmap_handle);
-            std::memcpy(output.data(), entries.data(), output.size());
-            return static_cast<u32>(NvErrCodes::InvalidNmapHandle);
+            LOG_CRITICAL(Service_NVDRV, "invalid nvmap_handle={:X}", entry.nvmap_handle);
+            result = NvErrCodes::InvalidInput;
+            break;
         }
 
-        ASSERT(object->status == nvmap::Object::Status::Allocated);
+        const auto offset{static_cast<GPUVAddr>(entry.offset) << 0x10};
+        const auto size{static_cast<u64>(entry.pages) << 0x10};
+        const auto map_offset{static_cast<u64>(entry.map_offset) << 0x10};
+        const auto addr{system.GPU().MemoryManager().Map(object->addr + map_offset, offset, size)};
 
-        const u64 size = static_cast<u64>(entry.pages) << 0x10;
-        ASSERT(size <= object->size);
-        const u64 map_offset = static_cast<u64>(entry.map_offset) << 0x10;
-
-        const GPUVAddr returned =
-            gpu.MemoryManager().MapBufferEx(object->addr + map_offset, offset, size);
-        ASSERT(returned == offset);
+        if (!addr) {
+            LOG_CRITICAL(Service_NVDRV, "map returned an invalid address!");
+            result = NvErrCodes::InvalidInput;
+            break;
+        }
     }
+
     std::memcpy(output.data(), entries.data(), output.size());
-    return 0;
+    return result;
 }
 
 u32 nvhost_as_gpu::MapBufferEx(const std::vector<u8>& input, std::vector<u8>& output) {
@@ -126,44 +137,76 @@ u32 nvhost_as_gpu::MapBufferEx(const std::vector<u8>& input, std::vector<u8>& ou
               params.flags, params.nvmap_handle, params.buffer_offset, params.mapping_size,
               params.offset);
 
-    if (!params.nvmap_handle) {
-        return 0;
+    const auto object{nvmap_dev->GetObject(params.nvmap_handle)};
+    if (!object) {
+        LOG_CRITICAL(Service_NVDRV, "invalid nvmap_handle={:X}", params.nvmap_handle);
+        std::memcpy(output.data(), &params, output.size());
+        return NvErrCodes::InvalidInput;
     }
 
-    auto object = nvmap_dev->GetObject(params.nvmap_handle);
-    ASSERT(object);
-
-    // We can only map objects that have already been assigned a CPU address.
-    ASSERT(object->status == nvmap::Object::Status::Allocated);
-
-    ASSERT(params.buffer_offset == 0);
-
     // The real nvservices doesn't make a distinction between handles and ids, and
     // object can only have one handle and it will be the same as its id. Assert that this is the
     // case to prevent unexpected behavior.
     ASSERT(object->id == params.nvmap_handle);
-
     auto& gpu = system.GPU();
 
-    if (params.flags & 1) {
-        params.offset = gpu.MemoryManager().MapBufferEx(object->addr, params.offset, object->size);
-    } else {
-        params.offset = gpu.MemoryManager().MapBufferEx(object->addr, object->size);
+    u64 page_size{params.page_size};
+    if (!page_size) {
+        page_size = object->align;
+    }
+
+    if ((params.flags & AddressSpaceFlags::Remap) != AddressSpaceFlags::None) {
+        if (const auto buffer_map{FindBufferMap(params.offset)}; buffer_map) {
+            const auto cpu_addr{static_cast<VAddr>(buffer_map->CpuAddr() + params.buffer_offset)};
+            const auto gpu_addr{static_cast<GPUVAddr>(params.offset + params.buffer_offset)};
+
+            if (!gpu.MemoryManager().Map(cpu_addr, gpu_addr, params.mapping_size)) {
+                LOG_CRITICAL(Service_NVDRV,
+                             "remap failed, flags={:X}, nvmap_handle={:X}, buffer_offset={}, "
+                             "mapping_size = {}, offset={}",
+                             params.flags, params.nvmap_handle, params.buffer_offset,
+                             params.mapping_size, params.offset);
+
+                std::memcpy(output.data(), &params, output.size());
+                return NvErrCodes::InvalidInput;
+            }
+
+            std::memcpy(output.data(), &params, output.size());
+            return NvErrCodes::Success;
+        } else {
+            LOG_CRITICAL(Service_NVDRV, "address not mapped offset={}", params.offset);
+
+            std::memcpy(output.data(), &params, output.size());
+            return NvErrCodes::InvalidInput;
+        }
     }
 
-    // Create a new mapping entry for this operation.
-    ASSERT_MSG(buffer_mappings.find(params.offset) == buffer_mappings.end(),
-               "Offset is already mapped");
+    // We can only map objects that have already been assigned a CPU address.
+    ASSERT(object->status == nvmap::Object::Status::Allocated);
+
+    const auto physical_address{object->addr + params.buffer_offset};
+    u64 size{params.mapping_size};
+    if (!size) {
+        size = object->size;
+    }
 
-    BufferMapping mapping{};
-    mapping.nvmap_handle = params.nvmap_handle;
-    mapping.offset = params.offset;
-    mapping.size = object->size;
+    const bool is_alloc{(params.flags & AddressSpaceFlags::FixedOffset) == AddressSpaceFlags::None};
+    if (is_alloc) {
+        params.offset = gpu.MemoryManager().MapAllocate(physical_address, size, page_size);
+    } else {
+        params.offset = gpu.MemoryManager().Map(physical_address, params.offset, size);
+    }
 
-    buffer_mappings[params.offset] = mapping;
+    auto result{NvErrCodes::Success};
+    if (!params.offset) {
+        LOG_CRITICAL(Service_NVDRV, "failed to map size={}", size);
+        result = NvErrCodes::InvalidInput;
+    } else {
+        AddBufferMap(params.offset, size, physical_address, is_alloc);
+    }
 
     std::memcpy(output.data(), &params, output.size());
-    return 0;
+    return result;
 }
 
 u32 nvhost_as_gpu::UnmapBuffer(const std::vector<u8>& input, std::vector<u8>& output) {
@@ -172,24 +215,20 @@ u32 nvhost_as_gpu::UnmapBuffer(const std::vector<u8>& input, std::vector<u8>& ou
 
     LOG_DEBUG(Service_NVDRV, "called, offset=0x{:X}", params.offset);
 
-    const auto itr = buffer_mappings.find(params.offset);
-    if (itr == buffer_mappings.end()) {
-        LOG_WARNING(Service_NVDRV, "Tried to unmap an invalid offset 0x{:X}", params.offset);
-        // Hardware tests shows that unmapping an already unmapped buffer always returns successful
-        // and doesn't fail.
-        return 0;
+    if (const auto size{RemoveBufferMap(params.offset)}; size) {
+        system.GPU().MemoryManager().Unmap(params.offset, *size);
+    } else {
+        LOG_ERROR(Service_NVDRV, "invalid offset=0x{:X}", params.offset);
     }
 
-    params.offset = system.GPU().MemoryManager().UnmapBuffer(params.offset, itr->second.size);
-    buffer_mappings.erase(itr->second.offset);
-
     std::memcpy(output.data(), &params, output.size());
-    return 0;
+    return NvErrCodes::Success;
 }
 
 u32 nvhost_as_gpu::BindChannel(const std::vector<u8>& input, std::vector<u8>& output) {
     IoctlBindChannel params{};
     std::memcpy(&params, input.data(), input.size());
+
     LOG_DEBUG(Service_NVDRV, "called, fd={:X}", params.fd);
 
     channel = params.fd;
@@ -199,6 +238,7 @@ u32 nvhost_as_gpu::BindChannel(const std::vector<u8>& input, std::vector<u8>& ou
 u32 nvhost_as_gpu::GetVARegions(const std::vector<u8>& input, std::vector<u8>& output) {
     IoctlGetVaRegions params{};
     std::memcpy(&params, input.data(), input.size());
+
     LOG_WARNING(Service_NVDRV, "(STUBBED) called, buf_addr={:X}, buf_size={:X}", params.buf_addr,
                 params.buf_size);
 
@@ -210,9 +250,43 @@ u32 nvhost_as_gpu::GetVARegions(const std::vector<u8>& input, std::vector<u8>& o
     params.regions[1].offset = 0x04000000;
     params.regions[1].page_size = 0x10000;
     params.regions[1].pages = 0x1bffff;
+
     // TODO(ogniK): This probably can stay stubbed but should add support way way later
+
     std::memcpy(output.data(), &params, output.size());
     return 0;
 }
 
+std::optional<nvhost_as_gpu::BufferMap> nvhost_as_gpu::FindBufferMap(GPUVAddr gpu_addr) const {
+    const auto end{buffer_mappings.upper_bound(gpu_addr)};
+    for (auto iter{buffer_mappings.begin()}; iter != end; ++iter) {
+        if (gpu_addr >= iter->second.StartAddr() && gpu_addr < iter->second.EndAddr()) {
+            return iter->second;
+        }
+    }
+
+    return std::nullopt;
+}
+
+void nvhost_as_gpu::AddBufferMap(GPUVAddr gpu_addr, std::size_t size, VAddr cpu_addr,
+                                 bool is_allocated) {
+    buffer_mappings[gpu_addr] = {gpu_addr, size, cpu_addr, is_allocated};
+}
+
+std::optional<std::size_t> nvhost_as_gpu::RemoveBufferMap(GPUVAddr gpu_addr) {
+    if (const auto iter{buffer_mappings.find(gpu_addr)}; iter != buffer_mappings.end()) {
+        std::size_t size{};
+
+        if (iter->second.IsAllocated()) {
+            size = iter->second.Size();
+        }
+
+        buffer_mappings.erase(iter);
+
+        return size;
+    }
+
+    return std::nullopt;
+}
+
 } // namespace Service::Nvidia::Devices
diff --git a/src/core/hle/service/nvdrv/devices/nvhost_as_gpu.h b/src/core/hle/service/nvdrv/devices/nvhost_as_gpu.h
index f79fcc065..9a0cdff0c 100644
--- a/src/core/hle/service/nvdrv/devices/nvhost_as_gpu.h
+++ b/src/core/hle/service/nvdrv/devices/nvhost_as_gpu.h
@@ -4,9 +4,12 @@
 
 #pragma once
 
+#include <map>
 #include <memory>
-#include <unordered_map>
+#include <optional>
 #include <vector>
+
+#include "common/common_funcs.h"
 #include "common/common_types.h"
 #include "common/swap.h"
 #include "core/hle/service/nvdrv/devices/nvdevice.h"
@@ -15,6 +18,13 @@ namespace Service::Nvidia::Devices {
 
 class nvmap;
 
+enum class AddressSpaceFlags : u32 {
+    None = 0x0,
+    FixedOffset = 0x1,
+    Remap = 0x100,
+};
+DECLARE_ENUM_FLAG_OPERATORS(AddressSpaceFlags);
+
 class nvhost_as_gpu final : public nvdevice {
 public:
     explicit nvhost_as_gpu(Core::System& system, std::shared_ptr<nvmap> nvmap_dev);
@@ -25,6 +35,45 @@ public:
               IoctlVersion version) override;
 
 private:
+    class BufferMap final {
+    public:
+        constexpr BufferMap() = default;
+
+        constexpr BufferMap(GPUVAddr start_addr, std::size_t size)
+            : start_addr{start_addr}, end_addr{start_addr + size} {}
+
+        constexpr BufferMap(GPUVAddr start_addr, std::size_t size, VAddr cpu_addr,
+                            bool is_allocated)
+            : start_addr{start_addr}, end_addr{start_addr + size}, cpu_addr{cpu_addr},
+              is_allocated{is_allocated} {}
+
+        constexpr VAddr StartAddr() const {
+            return start_addr;
+        }
+
+        constexpr VAddr EndAddr() const {
+            return end_addr;
+        }
+
+        constexpr std::size_t Size() const {
+            return end_addr - start_addr;
+        }
+
+        constexpr VAddr CpuAddr() const {
+            return cpu_addr;
+        }
+
+        constexpr bool IsAllocated() const {
+            return is_allocated;
+        }
+
+    private:
+        GPUVAddr start_addr{};
+        GPUVAddr end_addr{};
+        VAddr cpu_addr{};
+        bool is_allocated{};
+    };
+
     enum class IoctlCommand : u32_le {
         IocInitalizeExCommand = 0x40284109,
         IocAllocateSpaceCommand = 0xC0184102,
@@ -49,7 +98,7 @@ private:
     struct IoctlAllocSpace {
         u32_le pages;
         u32_le page_size;
-        u32_le flags;
+        AddressSpaceFlags flags;
         INSERT_PADDING_WORDS(1);
         union {
             u64_le offset;
@@ -69,18 +118,18 @@ private:
     static_assert(sizeof(IoctlRemapEntry) == 20, "IoctlRemapEntry is incorrect size");
 
     struct IoctlMapBufferEx {
-        u32_le flags; // bit0: fixed_offset, bit2: cacheable
-        u32_le kind;  // -1 is default
+        AddressSpaceFlags flags; // bit0: fixed_offset, bit2: cacheable
+        u32_le kind;             // -1 is default
         u32_le nvmap_handle;
         u32_le page_size; // 0 means don't care
-        u64_le buffer_offset;
+        s64_le buffer_offset;
         u64_le mapping_size;
-        u64_le offset;
+        s64_le offset;
     };
     static_assert(sizeof(IoctlMapBufferEx) == 40, "IoctlMapBufferEx is incorrect size");
 
     struct IoctlUnmapBuffer {
-        u64_le offset;
+        s64_le offset;
     };
     static_assert(sizeof(IoctlUnmapBuffer) == 8, "IoctlUnmapBuffer is incorrect size");
 
@@ -106,15 +155,6 @@ private:
     static_assert(sizeof(IoctlGetVaRegions) == 16 + sizeof(IoctlVaRegion) * 2,
                   "IoctlGetVaRegions is incorrect size");
 
-    struct BufferMapping {
-        u64 offset;
-        u64 size;
-        u32 nvmap_handle;
-    };
-
-    /// Map containing the nvmap object mappings in GPU memory.
-    std::unordered_map<u64, BufferMapping> buffer_mappings;
-
     u32 channel{};
 
     u32 InitalizeEx(const std::vector<u8>& input, std::vector<u8>& output);
@@ -125,7 +165,14 @@ private:
     u32 BindChannel(const std::vector<u8>& input, std::vector<u8>& output);
     u32 GetVARegions(const std::vector<u8>& input, std::vector<u8>& output);
 
+    std::optional<BufferMap> FindBufferMap(GPUVAddr gpu_addr) const;
+    void AddBufferMap(GPUVAddr gpu_addr, std::size_t size, VAddr cpu_addr, bool is_allocated);
+    std::optional<std::size_t> RemoveBufferMap(GPUVAddr gpu_addr);
+
     std::shared_ptr<nvmap> nvmap_dev;
+
+    // This is expected to be ordered, therefore we must use a map, not unordered_map
+    std::map<GPUVAddr, BufferMap> buffer_mappings;
 };
 
 } // namespace Service::Nvidia::Devices
diff --git a/src/core/hle/service/nvdrv/devices/nvhost_nvdec.cpp b/src/core/hle/service/nvdrv/devices/nvhost_nvdec.cpp
index bdae8b887..fcb612864 100644
--- a/src/core/hle/service/nvdrv/devices/nvhost_nvdec.cpp
+++ b/src/core/hle/service/nvdrv/devices/nvhost_nvdec.cpp
@@ -22,6 +22,18 @@ u32 nvhost_nvdec::ioctl(Ioctl command, const std::vector<u8>& input, const std::
     switch (static_cast<IoctlCommand>(command.raw)) {
     case IoctlCommand::IocSetNVMAPfdCommand:
         return SetNVMAPfd(input, output);
+    case IoctlCommand::IocSubmit:
+        return Submit(input, output);
+    case IoctlCommand::IocGetSyncpoint:
+        return GetSyncpoint(input, output);
+    case IoctlCommand::IocGetWaitbase:
+        return GetWaitbase(input, output);
+    case IoctlCommand::IocMapBuffer:
+        return MapBuffer(input, output);
+    case IoctlCommand::IocMapBufferEx:
+        return MapBufferEx(input, output);
+    case IoctlCommand::IocUnmapBufferEx:
+        return UnmapBufferEx(input, output);
     }
 
     UNIMPLEMENTED_MSG("Unimplemented ioctl");
@@ -30,11 +42,67 @@ u32 nvhost_nvdec::ioctl(Ioctl command, const std::vector<u8>& input, const std::
 
 u32 nvhost_nvdec::SetNVMAPfd(const std::vector<u8>& input, std::vector<u8>& output) {
     IoctlSetNvmapFD params{};
-    std::memcpy(&params, input.data(), input.size());
+    std::memcpy(&params, input.data(), sizeof(IoctlSetNvmapFD));
     LOG_DEBUG(Service_NVDRV, "called, fd={}", params.nvmap_fd);
 
     nvmap_fd = params.nvmap_fd;
     return 0;
 }
 
+u32 nvhost_nvdec::Submit(const std::vector<u8>& input, std::vector<u8>& output) {
+    IoctlSubmit params{};
+    std::memcpy(&params, input.data(), sizeof(IoctlSubmit));
+    LOG_WARNING(Service_NVDRV, "(STUBBED) called");
+    std::memcpy(output.data(), &params, sizeof(IoctlSubmit));
+    return 0;
+}
+
+u32 nvhost_nvdec::GetSyncpoint(const std::vector<u8>& input, std::vector<u8>& output) {
+    IoctlGetSyncpoint params{};
+    std::memcpy(&params, input.data(), sizeof(IoctlGetSyncpoint));
+    LOG_INFO(Service_NVDRV, "called, unknown=0x{:X}", params.unknown);
+    params.value = 0; // Seems to be hard coded at 0
+    std::memcpy(output.data(), &params, sizeof(IoctlGetSyncpoint));
+    return 0;
+}
+
+u32 nvhost_nvdec::GetWaitbase(const std::vector<u8>& input, std::vector<u8>& output) {
+    IoctlGetWaitbase params{};
+    std::memcpy(&params, input.data(), sizeof(IoctlGetWaitbase));
+    LOG_INFO(Service_NVDRV, "called, unknown=0x{:X}", params.unknown);
+    params.value = 0; // Seems to be hard coded at 0
+    std::memcpy(output.data(), &params, sizeof(IoctlGetWaitbase));
+    return 0;
+}
+
+u32 nvhost_nvdec::MapBuffer(const std::vector<u8>& input, std::vector<u8>& output) {
+    IoctlMapBuffer params{};
+    std::memcpy(&params, input.data(), sizeof(IoctlMapBuffer));
+    LOG_WARNING(Service_NVDRV, "(STUBBED) called with address={:08X}{:08X}", params.address_2,
+                params.address_1);
+    params.address_1 = 0;
+    params.address_2 = 0;
+    std::memcpy(output.data(), &params, sizeof(IoctlMapBuffer));
+    return 0;
+}
+
+u32 nvhost_nvdec::MapBufferEx(const std::vector<u8>& input, std::vector<u8>& output) {
+    IoctlMapBufferEx params{};
+    std::memcpy(&params, input.data(), sizeof(IoctlMapBufferEx));
+    LOG_WARNING(Service_NVDRV, "(STUBBED) called with address={:08X}{:08X}", params.address_2,
+                params.address_1);
+    params.address_1 = 0;
+    params.address_2 = 0;
+    std::memcpy(output.data(), &params, sizeof(IoctlMapBufferEx));
+    return 0;
+}
+
+u32 nvhost_nvdec::UnmapBufferEx(const std::vector<u8>& input, std::vector<u8>& output) {
+    IoctlUnmapBufferEx params{};
+    std::memcpy(&params, input.data(), sizeof(IoctlUnmapBufferEx));
+    LOG_WARNING(Service_NVDRV, "(STUBBED) called");
+    std::memcpy(output.data(), &params, sizeof(IoctlUnmapBufferEx));
+    return 0;
+}
+
 } // namespace Service::Nvidia::Devices
diff --git a/src/core/hle/service/nvdrv/devices/nvhost_nvdec.h b/src/core/hle/service/nvdrv/devices/nvhost_nvdec.h
index cbdac8069..4332db118 100644
--- a/src/core/hle/service/nvdrv/devices/nvhost_nvdec.h
+++ b/src/core/hle/service/nvdrv/devices/nvhost_nvdec.h
@@ -23,16 +23,66 @@ public:
 private:
     enum class IoctlCommand : u32_le {
         IocSetNVMAPfdCommand = 0x40044801,
+        IocSubmit = 0xC0400001,
+        IocGetSyncpoint = 0xC0080002,
+        IocGetWaitbase = 0xC0080003,
+        IocMapBuffer = 0xC01C0009,
+        IocMapBufferEx = 0xC0A40009,
+        IocUnmapBufferEx = 0xC0A4000A,
     };
 
     struct IoctlSetNvmapFD {
         u32_le nvmap_fd;
     };
-    static_assert(sizeof(IoctlSetNvmapFD) == 4, "IoctlSetNvmapFD is incorrect size");
+    static_assert(sizeof(IoctlSetNvmapFD) == 0x4, "IoctlSetNvmapFD is incorrect size");
+
+    struct IoctlSubmit {
+        INSERT_PADDING_BYTES(0x40); // TODO(DarkLordZach): RE this structure
+    };
+    static_assert(sizeof(IoctlSubmit) == 0x40, "IoctlSubmit has incorrect size");
+
+    struct IoctlGetSyncpoint {
+        u32 unknown; // seems to be ignored? Nintendo added this
+        u32 value;
+    };
+    static_assert(sizeof(IoctlGetSyncpoint) == 0x08, "IoctlGetSyncpoint has incorrect size");
+
+    struct IoctlGetWaitbase {
+        u32 unknown; // seems to be ignored? Nintendo added this
+        u32 value;
+    };
+    static_assert(sizeof(IoctlGetWaitbase) == 0x08, "IoctlGetWaitbase has incorrect size");
+
+    struct IoctlMapBuffer {
+        u32 unknown;
+        u32 address_1;
+        u32 address_2;
+        INSERT_PADDING_BYTES(0x10); // TODO(DarkLordZach): RE this structure
+    };
+    static_assert(sizeof(IoctlMapBuffer) == 0x1C, "IoctlMapBuffer is incorrect size");
+
+    struct IoctlMapBufferEx {
+        u32 unknown;
+        u32 address_1;
+        u32 address_2;
+        INSERT_PADDING_BYTES(0x98); // TODO(DarkLordZach): RE this structure
+    };
+    static_assert(sizeof(IoctlMapBufferEx) == 0xA4, "IoctlMapBufferEx has incorrect size");
+
+    struct IoctlUnmapBufferEx {
+        INSERT_PADDING_BYTES(0xA4); // TODO(DarkLordZach): RE this structure
+    };
+    static_assert(sizeof(IoctlUnmapBufferEx) == 0xA4, "IoctlUnmapBufferEx has incorrect size");
 
     u32_le nvmap_fd{};
 
     u32 SetNVMAPfd(const std::vector<u8>& input, std::vector<u8>& output);
+    u32 Submit(const std::vector<u8>& input, std::vector<u8>& output);
+    u32 GetSyncpoint(const std::vector<u8>& input, std::vector<u8>& output);
+    u32 GetWaitbase(const std::vector<u8>& input, std::vector<u8>& output);
+    u32 MapBuffer(const std::vector<u8>& input, std::vector<u8>& output);
+    u32 MapBufferEx(const std::vector<u8>& input, std::vector<u8>& output);
+    u32 UnmapBufferEx(const std::vector<u8>& input, std::vector<u8>& output);
 };
 
 } // namespace Service::Nvidia::Devices
diff --git a/src/core/hle/service/nvdrv/devices/nvhost_vic.cpp b/src/core/hle/service/nvdrv/devices/nvhost_vic.cpp
index c695b8863..9da19ad56 100644
--- a/src/core/hle/service/nvdrv/devices/nvhost_vic.cpp
+++ b/src/core/hle/service/nvdrv/devices/nvhost_vic.cpp
@@ -22,6 +22,18 @@ u32 nvhost_vic::ioctl(Ioctl command, const std::vector<u8>& input, const std::ve
     switch (static_cast<IoctlCommand>(command.raw)) {
     case IoctlCommand::IocSetNVMAPfdCommand:
         return SetNVMAPfd(input, output);
+    case IoctlCommand::IocSubmit:
+        return Submit(input, output);
+    case IoctlCommand::IocGetSyncpoint:
+        return GetSyncpoint(input, output);
+    case IoctlCommand::IocGetWaitbase:
+        return GetWaitbase(input, output);
+    case IoctlCommand::IocMapBuffer:
+        return MapBuffer(input, output);
+    case IoctlCommand::IocMapBufferEx:
+        return MapBuffer(input, output);
+    case IoctlCommand::IocUnmapBufferEx:
+        return UnmapBufferEx(input, output);
     }
 
     UNIMPLEMENTED_MSG("Unimplemented ioctl");
@@ -30,11 +42,71 @@ u32 nvhost_vic::ioctl(Ioctl command, const std::vector<u8>& input, const std::ve
 
 u32 nvhost_vic::SetNVMAPfd(const std::vector<u8>& input, std::vector<u8>& output) {
     IoctlSetNvmapFD params{};
-    std::memcpy(&params, input.data(), input.size());
+    std::memcpy(&params, input.data(), sizeof(IoctlSetNvmapFD));
     LOG_DEBUG(Service_NVDRV, "called, fd={}", params.nvmap_fd);
 
     nvmap_fd = params.nvmap_fd;
     return 0;
 }
 
+u32 nvhost_vic::Submit(const std::vector<u8>& input, std::vector<u8>& output) {
+    IoctlSubmit params{};
+    std::memcpy(&params, input.data(), sizeof(IoctlSubmit));
+    LOG_WARNING(Service_NVDRV, "(STUBBED) called");
+
+    // Workaround for Luigi's Mansion 3, as nvhost_vic is not implemented for asynch GPU
+    params.command_buffer = {};
+
+    std::memcpy(output.data(), &params, sizeof(IoctlSubmit));
+    return 0;
+}
+
+u32 nvhost_vic::GetSyncpoint(const std::vector<u8>& input, std::vector<u8>& output) {
+    IoctlGetSyncpoint params{};
+    std::memcpy(&params, input.data(), sizeof(IoctlGetSyncpoint));
+    LOG_INFO(Service_NVDRV, "called, unknown=0x{:X}", params.unknown);
+    params.value = 0; // Seems to be hard coded at 0
+    std::memcpy(output.data(), &params, sizeof(IoctlGetSyncpoint));
+    return 0;
+}
+
+u32 nvhost_vic::GetWaitbase(const std::vector<u8>& input, std::vector<u8>& output) {
+    IoctlGetWaitbase params{};
+    std::memcpy(&params, input.data(), sizeof(IoctlGetWaitbase));
+    LOG_INFO(Service_NVDRV, "called, unknown=0x{:X}", params.unknown);
+    params.value = 0; // Seems to be hard coded at 0
+    std::memcpy(output.data(), &params, sizeof(IoctlGetWaitbase));
+    return 0;
+}
+
+u32 nvhost_vic::MapBuffer(const std::vector<u8>& input, std::vector<u8>& output) {
+    IoctlMapBuffer params{};
+    std::memcpy(&params, input.data(), sizeof(IoctlMapBuffer));
+    LOG_WARNING(Service_NVDRV, "(STUBBED) called with address={:08X}{:08X}", params.address_2,
+                params.address_1);
+    params.address_1 = 0;
+    params.address_2 = 0;
+    std::memcpy(output.data(), &params, sizeof(IoctlMapBuffer));
+    return 0;
+}
+
+u32 nvhost_vic::MapBufferEx(const std::vector<u8>& input, std::vector<u8>& output) {
+    IoctlMapBufferEx params{};
+    std::memcpy(&params, input.data(), sizeof(IoctlMapBufferEx));
+    LOG_WARNING(Service_NVDRV, "(STUBBED) called with address={:08X}{:08X}", params.address_2,
+                params.address_1);
+    params.address_1 = 0;
+    params.address_2 = 0;
+    std::memcpy(output.data(), &params, sizeof(IoctlMapBufferEx));
+    return 0;
+}
+
+u32 nvhost_vic::UnmapBufferEx(const std::vector<u8>& input, std::vector<u8>& output) {
+    IoctlUnmapBufferEx params{};
+    std::memcpy(&params, input.data(), sizeof(IoctlUnmapBufferEx));
+    LOG_WARNING(Service_NVDRV, "(STUBBED) called");
+    std::memcpy(output.data(), &params, sizeof(IoctlUnmapBufferEx));
+    return 0;
+}
+
 } // namespace Service::Nvidia::Devices
diff --git a/src/core/hle/service/nvdrv/devices/nvhost_vic.h b/src/core/hle/service/nvdrv/devices/nvhost_vic.h
index bec32bea1..a7bb7bbd5 100644
--- a/src/core/hle/service/nvdrv/devices/nvhost_vic.h
+++ b/src/core/hle/service/nvdrv/devices/nvhost_vic.h
@@ -4,6 +4,7 @@
 
 #pragma once
 
+#include <array>
 #include <vector>
 #include "common/common_types.h"
 #include "common/swap.h"
@@ -23,6 +24,12 @@ public:
 private:
     enum class IoctlCommand : u32_le {
         IocSetNVMAPfdCommand = 0x40044801,
+        IocSubmit = 0xC0400001,
+        IocGetSyncpoint = 0xC0080002,
+        IocGetWaitbase = 0xC0080003,
+        IocMapBuffer = 0xC01C0009,
+        IocMapBufferEx = 0xC03C0009,
+        IocUnmapBufferEx = 0xC03C000A,
     };
 
     struct IoctlSetNvmapFD {
@@ -30,9 +37,65 @@ private:
     };
     static_assert(sizeof(IoctlSetNvmapFD) == 4, "IoctlSetNvmapFD is incorrect size");
 
+    struct IoctlSubmitCommandBuffer {
+        u32 id;
+        u32 offset;
+        u32 count;
+    };
+    static_assert(sizeof(IoctlSubmitCommandBuffer) == 0xC,
+                  "IoctlSubmitCommandBuffer is incorrect size");
+
+    struct IoctlSubmit {
+        u32 command_buffer_count;
+        u32 relocations_count;
+        u32 syncpt_count;
+        u32 wait_count;
+        std::array<IoctlSubmitCommandBuffer, 4> command_buffer;
+    };
+    static_assert(sizeof(IoctlSubmit) == 0x40, "IoctlSubmit is incorrect size");
+
+    struct IoctlGetSyncpoint {
+        u32 unknown; // seems to be ignored? Nintendo added this
+        u32 value;
+    };
+    static_assert(sizeof(IoctlGetSyncpoint) == 0x8, "IoctlGetSyncpoint is incorrect size");
+
+    struct IoctlGetWaitbase {
+        u32 unknown; // seems to be ignored? Nintendo added this
+        u32 value;
+    };
+    static_assert(sizeof(IoctlGetWaitbase) == 0x8, "IoctlGetWaitbase is incorrect size");
+
+    struct IoctlMapBuffer {
+        u32 unknown;
+        u32 address_1;
+        u32 address_2;
+        INSERT_PADDING_BYTES(0x10); // TODO(DarkLordZach): RE this structure
+    };
+    static_assert(sizeof(IoctlMapBuffer) == 0x1C, "IoctlMapBuffer is incorrect size");
+
+    struct IoctlMapBufferEx {
+        u32 unknown;
+        u32 address_1;
+        u32 address_2;
+        INSERT_PADDING_BYTES(0x30); // TODO(DarkLordZach): RE this structure
+    };
+    static_assert(sizeof(IoctlMapBufferEx) == 0x3C, "IoctlMapBufferEx is incorrect size");
+
+    struct IoctlUnmapBufferEx {
+        INSERT_PADDING_BYTES(0x3C); // TODO(DarkLordZach): RE this structure
+    };
+    static_assert(sizeof(IoctlUnmapBufferEx) == 0x3C, "IoctlUnmapBufferEx is incorrect size");
+
     u32_le nvmap_fd{};
 
     u32 SetNVMAPfd(const std::vector<u8>& input, std::vector<u8>& output);
+    u32 Submit(const std::vector<u8>& input, std::vector<u8>& output);
+    u32 GetSyncpoint(const std::vector<u8>& input, std::vector<u8>& output);
+    u32 GetWaitbase(const std::vector<u8>& input, std::vector<u8>& output);
+    u32 MapBuffer(const std::vector<u8>& input, std::vector<u8>& output);
+    u32 MapBufferEx(const std::vector<u8>& input, std::vector<u8>& output);
+    u32 UnmapBufferEx(const std::vector<u8>& input, std::vector<u8>& output);
 };
 
 } // namespace Service::Nvidia::Devices
diff --git a/src/core/hle/service/nvdrv/devices/nvmap.cpp b/src/core/hle/service/nvdrv/devices/nvmap.cpp
index 8c742316c..9436e16ad 100644
--- a/src/core/hle/service/nvdrv/devices/nvmap.cpp
+++ b/src/core/hle/service/nvdrv/devices/nvmap.cpp
@@ -18,7 +18,12 @@ enum {
 };
 }
 
-nvmap::nvmap(Core::System& system) : nvdevice(system) {}
+nvmap::nvmap(Core::System& system) : nvdevice(system) {
+    // Handle 0 appears to be used when remapping, so we create a placeholder empty nvmap object to
+    // represent this.
+    CreateObject(0);
+}
+
 nvmap::~nvmap() = default;
 
 VAddr nvmap::GetObjectAddress(u32 handle) const {
@@ -50,6 +55,21 @@ u32 nvmap::ioctl(Ioctl command, const std::vector<u8>& input, const std::vector<
     return 0;
 }
 
+u32 nvmap::CreateObject(u32 size) {
+    // Create a new nvmap object and obtain a handle to it.
+    auto object = std::make_shared<Object>();
+    object->id = next_id++;
+    object->size = size;
+    object->status = Object::Status::Created;
+    object->refcount = 1;
+
+    const u32 handle = next_handle++;
+
+    handles.insert_or_assign(handle, std::move(object));
+
+    return handle;
+}
+
 u32 nvmap::IocCreate(const std::vector<u8>& input, std::vector<u8>& output) {
     IocCreateParams params;
     std::memcpy(&params, input.data(), sizeof(params));
@@ -59,17 +79,8 @@ u32 nvmap::IocCreate(const std::vector<u8>& input, std::vector<u8>& output) {
         LOG_ERROR(Service_NVDRV, "Size is 0");
         return static_cast<u32>(NvErrCodes::InvalidValue);
     }
-    // Create a new nvmap object and obtain a handle to it.
-    auto object = std::make_shared<Object>();
-    object->id = next_id++;
-    object->size = params.size;
-    object->status = Object::Status::Created;
-    object->refcount = 1;
-
-    u32 handle = next_handle++;
-    handles[handle] = std::move(object);
 
-    params.handle = handle;
+    params.handle = CreateObject(params.size);
 
     std::memcpy(output.data(), &params, sizeof(params));
     return 0;
diff --git a/src/core/hle/service/nvdrv/devices/nvmap.h b/src/core/hle/service/nvdrv/devices/nvmap.h
index 73c2e8809..84624be00 100644
--- a/src/core/hle/service/nvdrv/devices/nvmap.h
+++ b/src/core/hle/service/nvdrv/devices/nvmap.h
@@ -49,10 +49,10 @@ public:
 
 private:
     /// Id to use for the next handle that is created.
-    u32 next_handle = 1;
+    u32 next_handle = 0;
 
     /// Id to use for the next object that is created.
-    u32 next_id = 1;
+    u32 next_id = 0;
 
     /// Mapping of currently allocated handles to the objects they represent.
     std::unordered_map<u32, std::shared_ptr<Object>> handles;
@@ -119,6 +119,8 @@ private:
     };
     static_assert(sizeof(IocGetIdParams) == 8, "IocGetIdParams has wrong size");
 
+    u32 CreateObject(u32 size);
+
     u32 IocCreate(const std::vector<u8>& input, std::vector<u8>& output);
     u32 IocAlloc(const std::vector<u8>& input, std::vector<u8>& output);
     u32 IocGetId(const std::vector<u8>& input, std::vector<u8>& output);
diff --git a/src/core/hle/service/nvdrv/interface.cpp b/src/core/hle/service/nvdrv/interface.cpp
index deaf0808b..88fbfa9b0 100644
--- a/src/core/hle/service/nvdrv/interface.cpp
+++ b/src/core/hle/service/nvdrv/interface.cpp
@@ -60,24 +60,24 @@ void NVDRV::IoctlBase(Kernel::HLERequestContext& ctx, IoctlVersion version) {
 
     if (ctrl.must_delay) {
         ctrl.fresh_call = false;
-        ctx.SleepClientThread("NVServices::DelayedResponse", ctrl.timeout,
-                              [=](std::shared_ptr<Kernel::Thread> thread,
-                                  Kernel::HLERequestContext& ctx,
-                                  Kernel::ThreadWakeupReason reason) {
-                                  IoctlCtrl ctrl2{ctrl};
-                                  std::vector<u8> tmp_output = output;
-                                  std::vector<u8> tmp_output2 = output2;
-                                  u32 result = nvdrv->Ioctl(fd, command, input, input2, tmp_output,
-                                                            tmp_output2, ctrl2, version);
-                                  ctx.WriteBuffer(tmp_output, 0);
-                                  if (version == IoctlVersion::Version3) {
-                                      ctx.WriteBuffer(tmp_output2, 1);
-                                  }
-                                  IPC::ResponseBuilder rb{ctx, 3};
-                                  rb.Push(RESULT_SUCCESS);
-                                  rb.Push(result);
-                              },
-                              nvdrv->GetEventWriteable(ctrl.event_id));
+        ctx.SleepClientThread(
+            "NVServices::DelayedResponse", ctrl.timeout,
+            [=, this](std::shared_ptr<Kernel::Thread> thread, Kernel::HLERequestContext& ctx_,
+                      Kernel::ThreadWakeupReason reason) {
+                IoctlCtrl ctrl2{ctrl};
+                std::vector<u8> tmp_output = output;
+                std::vector<u8> tmp_output2 = output2;
+                const u32 ioctl_result = nvdrv->Ioctl(fd, command, input, input2, tmp_output,
+                                                      tmp_output2, ctrl2, version);
+                ctx_.WriteBuffer(tmp_output, 0);
+                if (version == IoctlVersion::Version3) {
+                    ctx_.WriteBuffer(tmp_output2, 1);
+                }
+                IPC::ResponseBuilder rb{ctx_, 3};
+                rb.Push(RESULT_SUCCESS);
+                rb.Push(ioctl_result);
+            },
+            nvdrv->GetEventWriteable(ctrl.event_id));
     } else {
         ctx.WriteBuffer(output);
         if (version == IoctlVersion::Version3) {
diff --git a/src/core/hle/service/nvdrv/nvdrv.h b/src/core/hle/service/nvdrv/nvdrv.h
index d7a1bef91..7706a5590 100644
--- a/src/core/hle/service/nvdrv/nvdrv.h
+++ b/src/core/hle/service/nvdrv/nvdrv.h
@@ -54,7 +54,7 @@ struct EventInterface {
             }
             mask = mask >> 1;
         }
-        return {};
+        return std::nullopt;
     }
     void SetEventStatus(const u32 event_id, EventState new_status) {
         EventState old_status = status[event_id];
diff --git a/src/core/hle/service/nvflinger/buffer_queue.cpp b/src/core/hle/service/nvflinger/buffer_queue.cpp
index caca80dde..637b310d7 100644
--- a/src/core/hle/service/nvflinger/buffer_queue.cpp
+++ b/src/core/hle/service/nvflinger/buffer_queue.cpp
@@ -24,13 +24,13 @@ BufferQueue::~BufferQueue() = default;
 void BufferQueue::SetPreallocatedBuffer(u32 slot, const IGBPBuffer& igbp_buffer) {
     LOG_WARNING(Service, "Adding graphics buffer {}", slot);
 
-    Buffer buffer{};
-    buffer.slot = slot;
-    buffer.igbp_buffer = igbp_buffer;
-    buffer.status = Buffer::Status::Free;
     free_buffers.push_back(slot);
+    queue.push_back({
+        .slot = slot,
+        .status = Buffer::Status::Free,
+        .igbp_buffer = igbp_buffer,
+    });
 
-    queue.emplace_back(buffer);
     buffer_wait_event.writable->Signal();
 }
 
@@ -38,7 +38,7 @@ std::optional<std::pair<u32, Service::Nvidia::MultiFence*>> BufferQueue::Dequeue
                                                                                        u32 height) {
 
     if (free_buffers.empty()) {
-        return {};
+        return std::nullopt;
     }
 
     auto f_itr = free_buffers.begin();
@@ -69,7 +69,7 @@ std::optional<std::pair<u32, Service::Nvidia::MultiFence*>> BufferQueue::Dequeue
     }
 
     if (itr == queue.end()) {
-        return {};
+        return std::nullopt;
     }
 
     itr->status = Buffer::Status::Dequeued;
@@ -103,14 +103,15 @@ std::optional<std::reference_wrapper<const BufferQueue::Buffer>> BufferQueue::Ac
     auto itr = queue.end();
     // Iterate to find a queued buffer matching the requested slot.
     while (itr == queue.end() && !queue_sequence.empty()) {
-        u32 slot = queue_sequence.front();
+        const u32 slot = queue_sequence.front();
         itr = std::find_if(queue.begin(), queue.end(), [&slot](const Buffer& buffer) {
             return buffer.status == Buffer::Status::Queued && buffer.slot == slot;
         });
         queue_sequence.pop_front();
     }
-    if (itr == queue.end())
-        return {};
+    if (itr == queue.end()) {
+        return std::nullopt;
+    }
     itr->status = Buffer::Status::Acquired;
     return *itr;
 }
diff --git a/src/core/hle/service/nvflinger/nvflinger.cpp b/src/core/hle/service/nvflinger/nvflinger.cpp
index 2f44d3779..c64673dba 100644
--- a/src/core/hle/service/nvflinger/nvflinger.cpp
+++ b/src/core/hle/service/nvflinger/nvflinger.cpp
@@ -28,8 +28,7 @@
 
 namespace Service::NVFlinger {
 
-constexpr s64 frame_ticks = static_cast<s64>(1000000000 / 60);
-constexpr s64 frame_ticks_30fps = static_cast<s64>(1000000000 / 30);
+constexpr auto frame_ns = std::chrono::nanoseconds{1000000000 / 60};
 
 void NVFlinger::VSyncThread(NVFlinger& nv_flinger) {
     nv_flinger.SplitVSync();
@@ -67,20 +66,24 @@ NVFlinger::NVFlinger(Core::System& system) : system(system) {
     guard = std::make_shared<std::mutex>();
 
     // Schedule the screen composition events
-    composition_event =
-        Core::Timing::CreateEvent("ScreenComposition", [this](u64 userdata, s64 ns_late) {
-            Lock();
+    composition_event = Core::Timing::CreateEvent(
+        "ScreenComposition", [this](std::uintptr_t, std::chrono::nanoseconds ns_late) {
+            const auto guard = Lock();
             Compose();
-            const auto ticks = GetNextTicks();
-            this->system.CoreTiming().ScheduleEvent(std::max<s64>(0LL, ticks - ns_late),
-                                                    composition_event);
+
+            const auto ticks = std::chrono::nanoseconds{GetNextTicks()};
+            const auto ticks_delta = ticks - ns_late;
+            const auto future_ns = std::max(std::chrono::nanoseconds::zero(), ticks_delta);
+
+            this->system.CoreTiming().ScheduleEvent(future_ns, composition_event);
         });
+
     if (system.IsMulticore()) {
         is_running = true;
         wait_event = std::make_unique<Common::Event>();
         vsync_thread = std::make_unique<std::thread>(VSyncThread, std::ref(*this));
     } else {
-        system.CoreTiming().ScheduleEvent(frame_ticks, composition_event);
+        system.CoreTiming().ScheduleEvent(frame_ns, composition_event);
     }
 }
 
@@ -111,7 +114,7 @@ std::optional<u64> NVFlinger::OpenDisplay(std::string_view name) {
                      [&](const VI::Display& display) { return display.GetName() == name; });
 
     if (itr == displays.end()) {
-        return {};
+        return std::nullopt;
     }
 
     return itr->GetID();
@@ -121,7 +124,7 @@ std::optional<u64> NVFlinger::CreateLayer(u64 display_id) {
     auto* const display = FindDisplay(display_id);
 
     if (display == nullptr) {
-        return {};
+        return std::nullopt;
     }
 
     const u64 layer_id = next_layer_id++;
@@ -141,7 +144,7 @@ std::optional<u32> NVFlinger::FindBufferQueueId(u64 display_id, u64 layer_id) co
     const auto* const layer = FindLayer(display_id, layer_id);
 
     if (layer == nullptr) {
-        return {};
+        return std::nullopt;
     }
 
     return layer->GetBufferQueue().GetId();
diff --git a/src/core/hle/service/nvflinger/nvflinger.h b/src/core/hle/service/nvflinger/nvflinger.h
index e4959a9af..1ebe949c0 100644
--- a/src/core/hle/service/nvflinger/nvflinger.h
+++ b/src/core/hle/service/nvflinger/nvflinger.h
@@ -54,12 +54,12 @@ public:
     /// Opens the specified display and returns the ID.
     ///
     /// If an invalid display name is provided, then an empty optional is returned.
-    std::optional<u64> OpenDisplay(std::string_view name);
+    [[nodiscard]] std::optional<u64> OpenDisplay(std::string_view name);
 
     /// Creates a layer on the specified display and returns the layer ID.
     ///
     /// If an invalid display ID is specified, then an empty optional is returned.
-    std::optional<u64> CreateLayer(u64 display_id);
+    [[nodiscard]] std::optional<u64> CreateLayer(u64 display_id);
 
     /// Closes a layer on all displays for the given layer ID.
     void CloseLayer(u64 layer_id);
@@ -67,41 +67,41 @@ public:
     /// Finds the buffer queue ID of the specified layer in the specified display.
     ///
     /// If an invalid display ID or layer ID is provided, then an empty optional is returned.
-    std::optional<u32> FindBufferQueueId(u64 display_id, u64 layer_id) const;
+    [[nodiscard]] std::optional<u32> FindBufferQueueId(u64 display_id, u64 layer_id) const;
 
     /// Gets the vsync event for the specified display.
     ///
     /// If an invalid display ID is provided, then nullptr is returned.
-    std::shared_ptr<Kernel::ReadableEvent> FindVsyncEvent(u64 display_id) const;
+    [[nodiscard]] std::shared_ptr<Kernel::ReadableEvent> FindVsyncEvent(u64 display_id) const;
 
     /// Obtains a buffer queue identified by the ID.
-    BufferQueue& FindBufferQueue(u32 id);
+    [[nodiscard]] BufferQueue& FindBufferQueue(u32 id);
 
     /// Obtains a buffer queue identified by the ID.
-    const BufferQueue& FindBufferQueue(u32 id) const;
+    [[nodiscard]] const BufferQueue& FindBufferQueue(u32 id) const;
 
     /// Performs a composition request to the emulated nvidia GPU and triggers the vsync events when
     /// finished.
     void Compose();
 
-    s64 GetNextTicks() const;
+    [[nodiscard]] s64 GetNextTicks() const;
 
-    std::unique_lock<std::mutex> Lock() {
+    [[nodiscard]] std::unique_lock<std::mutex> Lock() const {
         return std::unique_lock{*guard};
     }
 
 private:
     /// Finds the display identified by the specified ID.
-    VI::Display* FindDisplay(u64 display_id);
+    [[nodiscard]] VI::Display* FindDisplay(u64 display_id);
 
     /// Finds the display identified by the specified ID.
-    const VI::Display* FindDisplay(u64 display_id) const;
+    [[nodiscard]] const VI::Display* FindDisplay(u64 display_id) const;
 
     /// Finds the layer identified by the specified ID in the desired display.
-    VI::Layer* FindLayer(u64 display_id, u64 layer_id);
+    [[nodiscard]] VI::Layer* FindLayer(u64 display_id, u64 layer_id);
 
     /// Finds the layer identified by the specified ID in the desired display.
-    const VI::Layer* FindLayer(u64 display_id, u64 layer_id) const;
+    [[nodiscard]] const VI::Layer* FindLayer(u64 display_id, u64 layer_id) const;
 
     static void VSyncThread(NVFlinger& nv_flinger);
 
diff --git a/src/core/hle/service/service.cpp b/src/core/hle/service/service.cpp
index fa5347af9..ba9159ee0 100644
--- a/src/core/hle/service/service.cpp
+++ b/src/core/hle/service/service.cpp
@@ -89,8 +89,6 @@ namespace Service {
     return function_string;
 }
 
-////////////////////////////////////////////////////////////////////////////////////////////////////
-
 ServiceFrameworkBase::ServiceFrameworkBase(const char* service_name, u32 max_sessions,
                                            InvokerFn* handler_invoker)
     : service_name(service_name), max_sessions(max_sessions), handler_invoker(handler_invoker) {}
@@ -105,10 +103,9 @@ void ServiceFrameworkBase::InstallAsService(SM::ServiceManager& service_manager)
     port_installed = true;
 }
 
-void ServiceFrameworkBase::InstallAsNamedPort() {
+void ServiceFrameworkBase::InstallAsNamedPort(Kernel::KernelCore& kernel) {
     ASSERT(!port_installed);
 
-    auto& kernel = Core::System::GetInstance().Kernel();
     auto [server_port, client_port] =
         Kernel::ServerPort::CreatePortPair(kernel, max_sessions, service_name);
     server_port->SetHleHandler(shared_from_this());
@@ -116,10 +113,9 @@ void ServiceFrameworkBase::InstallAsNamedPort() {
     port_installed = true;
 }
 
-std::shared_ptr<Kernel::ClientPort> ServiceFrameworkBase::CreatePort() {
+std::shared_ptr<Kernel::ClientPort> ServiceFrameworkBase::CreatePort(Kernel::KernelCore& kernel) {
     ASSERT(!port_installed);
 
-    auto& kernel = Core::System::GetInstance().Kernel();
     auto [server_port, client_port] =
         Kernel::ServerPort::CreatePortPair(kernel, max_sessions, service_name);
     auto port = MakeResult(std::move(server_port)).Unwrap();
@@ -191,9 +187,6 @@ ResultCode ServiceFrameworkBase::HandleSyncRequest(Kernel::HLERequestContext& co
     return RESULT_SUCCESS;
 }
 
-////////////////////////////////////////////////////////////////////////////////////////////////////
-// Module interface
-
 /// Initialize ServiceManager
 void Init(std::shared_ptr<SM::ServiceManager>& sm, Core::System& system) {
     // NVFlinger needs to be accessed by several services like Vi and AppletOE so we instantiate it
@@ -246,7 +239,7 @@ void Init(std::shared_ptr<SM::ServiceManager>& sm, Core::System& system) {
     PSC::InstallInterfaces(*sm);
     PSM::InstallInterfaces(*sm);
     Set::InstallInterfaces(*sm);
-    Sockets::InstallInterfaces(*sm);
+    Sockets::InstallInterfaces(*sm, system);
     SPL::InstallInterfaces(*sm);
     SSL::InstallInterfaces(*sm);
     Time::InstallInterfaces(system);
diff --git a/src/core/hle/service/service.h b/src/core/hle/service/service.h
index 022d885b6..a01ef3353 100644
--- a/src/core/hle/service/service.h
+++ b/src/core/hle/service/service.h
@@ -63,9 +63,9 @@ public:
     /// Creates a port pair and registers this service with the given ServiceManager.
     void InstallAsService(SM::ServiceManager& service_manager);
     /// Creates a port pair and registers it on the kernel's global port registry.
-    void InstallAsNamedPort();
+    void InstallAsNamedPort(Kernel::KernelCore& kernel);
     /// Creates and returns an unregistered port for the service.
-    std::shared_ptr<Kernel::ClientPort> CreatePort();
+    std::shared_ptr<Kernel::ClientPort> CreatePort(Kernel::KernelCore& kernel);
 
     void InvokeRequest(Kernel::HLERequestContext& ctx);
 
diff --git a/src/core/hle/service/set/set.cpp b/src/core/hle/service/set/set.cpp
index 34fe2fd82..e64777668 100644
--- a/src/core/hle/service/set/set.cpp
+++ b/src/core/hle/service/set/set.cpp
@@ -106,7 +106,7 @@ void GetKeyCodeMapImpl(Kernel::HLERequestContext& ctx) {
 
     IPC::ResponseBuilder rb{ctx, 2};
     rb.Push(RESULT_SUCCESS);
-    ctx.WriteBuffer(&layout, sizeof(KeyboardLayout));
+    ctx.WriteBuffer(layout);
 }
 } // Anonymous namespace
 
diff --git a/src/core/hle/service/sm/sm.cpp b/src/core/hle/service/sm/sm.cpp
index d872de16c..9c1da361b 100644
--- a/src/core/hle/service/sm/sm.cpp
+++ b/src/core/hle/service/sm/sm.cpp
@@ -19,7 +19,7 @@ constexpr ResultCode ERR_ALREADY_REGISTERED(ErrorModule::SM, 4);
 constexpr ResultCode ERR_INVALID_NAME(ErrorModule::SM, 6);
 constexpr ResultCode ERR_SERVICE_NOT_REGISTERED(ErrorModule::SM, 7);
 
-ServiceManager::ServiceManager() = default;
+ServiceManager::ServiceManager(Kernel::KernelCore& kernel_) : kernel{kernel_} {}
 ServiceManager::~ServiceManager() = default;
 
 void ServiceManager::InvokeControlRequest(Kernel::HLERequestContext& context) {
@@ -27,11 +27,11 @@ void ServiceManager::InvokeControlRequest(Kernel::HLERequestContext& context) {
 }
 
 static ResultCode ValidateServiceName(const std::string& name) {
-    if (name.size() <= 0 || name.size() > 8) {
+    if (name.empty() || name.size() > 8) {
         LOG_ERROR(Service_SM, "Invalid service name! service={}", name);
         return ERR_INVALID_NAME;
     }
-    if (name.find('\0') != std::string::npos) {
+    if (name.rfind('\0') != std::string::npos) {
         LOG_ERROR(Service_SM, "A non null terminated service was passed");
         return ERR_INVALID_NAME;
     }
@@ -43,13 +43,13 @@ void ServiceManager::InstallInterfaces(std::shared_ptr<ServiceManager> self,
     ASSERT(self->sm_interface.expired());
 
     auto sm = std::make_shared<SM>(self, kernel);
-    sm->InstallAsNamedPort();
+    sm->InstallAsNamedPort(kernel);
     self->sm_interface = sm;
     self->controller_interface = std::make_unique<Controller>();
 }
 
-ResultVal<std::shared_ptr<Kernel::ServerPort>> ServiceManager::RegisterService(
-    std::string name, unsigned int max_sessions) {
+ResultVal<std::shared_ptr<Kernel::ServerPort>> ServiceManager::RegisterService(std::string name,
+                                                                               u32 max_sessions) {
 
     CASCADE_CODE(ValidateServiceName(name));
 
@@ -58,7 +58,6 @@ ResultVal<std::shared_ptr<Kernel::ServerPort>> ServiceManager::RegisterService(
         return ERR_ALREADY_REGISTERED;
     }
 
-    auto& kernel = Core::System::GetInstance().Kernel();
     auto [server_port, client_port] =
         Kernel::ServerPort::CreatePortPair(kernel, max_sessions, name);
 
diff --git a/src/core/hle/service/sm/sm.h b/src/core/hle/service/sm/sm.h
index b06d2f103..6790c86f0 100644
--- a/src/core/hle/service/sm/sm.h
+++ b/src/core/hle/service/sm/sm.h
@@ -9,6 +9,7 @@
 #include <type_traits>
 #include <unordered_map>
 
+#include "common/concepts.h"
 #include "core/hle/kernel/client_port.h"
 #include "core/hle/kernel/object.h"
 #include "core/hle/kernel/server_port.h"
@@ -47,19 +48,17 @@ class ServiceManager {
 public:
     static void InstallInterfaces(std::shared_ptr<ServiceManager> self, Kernel::KernelCore& kernel);
 
-    ServiceManager();
+    explicit ServiceManager(Kernel::KernelCore& kernel_);
     ~ServiceManager();
 
     ResultVal<std::shared_ptr<Kernel::ServerPort>> RegisterService(std::string name,
-                                                                   unsigned int max_sessions);
+                                                                   u32 max_sessions);
     ResultCode UnregisterService(const std::string& name);
     ResultVal<std::shared_ptr<Kernel::ClientPort>> GetServicePort(const std::string& name);
     ResultVal<std::shared_ptr<Kernel::ClientSession>> ConnectToService(const std::string& name);
 
-    template <typename T>
+    template <Common::DerivedFrom<Kernel::SessionRequestHandler> T>
     std::shared_ptr<T> GetService(const std::string& service_name) const {
-        static_assert(std::is_base_of_v<Kernel::SessionRequestHandler, T>,
-                      "Not a base of ServiceFrameworkBase");
         auto service = registered_services.find(service_name);
         if (service == registered_services.end()) {
             LOG_DEBUG(Service, "Can't find service: {}", service_name);
@@ -80,6 +79,9 @@ private:
 
     /// Map of registered services, retrieved using GetServicePort or ConnectToService.
     std::unordered_map<std::string, std::shared_ptr<Kernel::ClientPort>> registered_services;
+
+    /// Kernel context
+    Kernel::KernelCore& kernel;
 };
 
 } // namespace Service::SM
diff --git a/src/core/hle/service/sockets/blocking_worker.h b/src/core/hle/service/sockets/blocking_worker.h
new file mode 100644
index 000000000..2d53e52b6
--- /dev/null
+++ b/src/core/hle/service/sockets/blocking_worker.h
@@ -0,0 +1,161 @@
+// Copyright 2020 yuzu emulator team
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <atomic>
+#include <memory>
+#include <string>
+#include <string_view>
+#include <thread>
+#include <variant>
+#include <vector>
+
+#include <fmt/format.h>
+
+#include "common/assert.h"
+#include "common/microprofile.h"
+#include "common/thread.h"
+#include "core/core.h"
+#include "core/hle/kernel/hle_ipc.h"
+#include "core/hle/kernel/kernel.h"
+#include "core/hle/kernel/thread.h"
+#include "core/hle/kernel/writable_event.h"
+
+namespace Service::Sockets {
+
+/**
+ * Worker abstraction to execute blocking calls on host without blocking the guest thread
+ *
+ * @tparam Service  Service where the work is executed
+ * @tparam Types Types of work to execute
+ */
+template <class Service, class... Types>
+class BlockingWorker {
+    using This = BlockingWorker<Service, Types...>;
+    using WorkVariant = std::variant<std::monostate, Types...>;
+
+public:
+    /// Create a new worker
+    static std::unique_ptr<This> Create(Core::System& system, Service* service,
+                                        std::string_view name) {
+        return std::unique_ptr<This>(new This(system, service, name));
+    }
+
+    ~BlockingWorker() {
+        while (!is_available.load(std::memory_order_relaxed)) {
+            // Busy wait until work is finished
+            std::this_thread::yield();
+        }
+        // Monostate means to exit the thread
+        work = std::monostate{};
+        work_event.Set();
+        thread.join();
+    }
+
+    /**
+     * Try to capture the worker to send work after a success
+     * @returns True when the worker has been successfully captured
+     */
+    bool TryCapture() {
+        bool expected = true;
+        return is_available.compare_exchange_weak(expected, false, std::memory_order_relaxed,
+                                                  std::memory_order_relaxed);
+    }
+
+    /**
+     * Send work to this worker abstraction
+     * @see TryCapture must be called before attempting to call this function
+     */
+    template <class Work>
+    void SendWork(Work new_work) {
+        ASSERT_MSG(!is_available, "Trying to send work on a worker that's not captured");
+        work = std::move(new_work);
+        work_event.Set();
+    }
+
+    /// Generate a callback for @see SleepClientThread
+    template <class Work>
+    auto Callback() {
+        return [this](std::shared_ptr<Kernel::Thread>, Kernel::HLERequestContext& ctx,
+                      Kernel::ThreadWakeupReason reason) {
+            ASSERT(reason == Kernel::ThreadWakeupReason::Signal);
+            std::get<Work>(work).Response(ctx);
+            is_available.store(true);
+        };
+    }
+
+    /// Get kernel event that will be signalled by the worker when the host operation finishes
+    std::shared_ptr<Kernel::WritableEvent> KernelEvent() const {
+        return kernel_event;
+    }
+
+private:
+    explicit BlockingWorker(Core::System& system, Service* service, std::string_view name) {
+        auto pair = Kernel::WritableEvent::CreateEventPair(system.Kernel(), std::string(name));
+        kernel_event = std::move(pair.writable);
+        thread = std::thread([this, &system, service, name] { Run(system, service, name); });
+    }
+
+    void Run(Core::System& system, Service* service, std::string_view name) {
+        system.RegisterHostThread();
+
+        const std::string thread_name = fmt::format("yuzu:{}", name);
+        MicroProfileOnThreadCreate(thread_name.c_str());
+        Common::SetCurrentThreadName(thread_name.c_str());
+
+        bool keep_running = true;
+        while (keep_running) {
+            work_event.Wait();
+
+            const auto visit_fn = [service, &keep_running]<typename T>(T&& w) {
+                if constexpr (std::is_same_v<std::decay_t<T>, std::monostate>) {
+                    keep_running = false;
+                } else {
+                    w.Execute(service);
+                }
+            };
+            std::visit(visit_fn, work);
+
+            kernel_event->Signal();
+        }
+    }
+
+    std::thread thread;
+    WorkVariant work;
+    Common::Event work_event;
+    std::shared_ptr<Kernel::WritableEvent> kernel_event;
+    std::atomic_bool is_available{true};
+};
+
+template <class Service, class... Types>
+class BlockingWorkerPool {
+    using Worker = BlockingWorker<Service, Types...>;
+
+public:
+    explicit BlockingWorkerPool(Core::System& system_, Service* service_)
+        : system{system_}, service{service_} {}
+
+    /// Returns a captured worker thread, creating new ones if necessary
+    Worker* CaptureWorker() {
+        for (auto& worker : workers) {
+            if (worker->TryCapture()) {
+                return worker.get();
+            }
+        }
+        auto new_worker = Worker::Create(system, service, fmt::format("BSD:{}", workers.size()));
+        [[maybe_unused]] const bool success = new_worker->TryCapture();
+        ASSERT(success);
+
+        return workers.emplace_back(std::move(new_worker)).get();
+    }
+
+private:
+    Core::System& system;
+    Service* const service;
+
+    std::vector<std::unique_ptr<Worker>> workers;
+};
+
+} // namespace Service::Sockets
diff --git a/src/core/hle/service/sockets/bsd.cpp b/src/core/hle/service/sockets/bsd.cpp
index 8d4952c0e..a74be9370 100644
--- a/src/core/hle/service/sockets/bsd.cpp
+++ b/src/core/hle/service/sockets/bsd.cpp
@@ -2,18 +2,138 @@
 // Licensed under GPLv2 or any later version
 // Refer to the license.txt file included.
 
+#include <array>
+#include <memory>
+#include <string>
+#include <utility>
+#include <vector>
+
+#include <fmt/format.h>
+
+#include "common/microprofile.h"
+#include "common/thread.h"
 #include "core/hle/ipc_helpers.h"
+#include "core/hle/kernel/thread.h"
 #include "core/hle/service/sockets/bsd.h"
+#include "core/hle/service/sockets/sockets_translate.h"
+#include "core/network/network.h"
+#include "core/network/sockets.h"
 
 namespace Service::Sockets {
 
+namespace {
+
+bool IsConnectionBased(Type type) {
+    switch (type) {
+    case Type::STREAM:
+        return true;
+    case Type::DGRAM:
+        return false;
+    default:
+        UNIMPLEMENTED_MSG("Unimplemented type={}", static_cast<int>(type));
+        return false;
+    }
+}
+
+} // Anonymous namespace
+
+void BSD::PollWork::Execute(BSD* bsd) {
+    std::tie(ret, bsd_errno) = bsd->PollImpl(write_buffer, read_buffer, nfds, timeout);
+}
+
+void BSD::PollWork::Response(Kernel::HLERequestContext& ctx) {
+    ctx.WriteBuffer(write_buffer);
+
+    IPC::ResponseBuilder rb{ctx, 4};
+    rb.Push(RESULT_SUCCESS);
+    rb.Push<s32>(ret);
+    rb.PushEnum(bsd_errno);
+}
+
+void BSD::AcceptWork::Execute(BSD* bsd) {
+    std::tie(ret, bsd_errno) = bsd->AcceptImpl(fd, write_buffer);
+}
+
+void BSD::AcceptWork::Response(Kernel::HLERequestContext& ctx) {
+    ctx.WriteBuffer(write_buffer);
+
+    IPC::ResponseBuilder rb{ctx, 5};
+    rb.Push(RESULT_SUCCESS);
+    rb.Push<s32>(ret);
+    rb.PushEnum(bsd_errno);
+    rb.Push<u32>(static_cast<u32>(write_buffer.size()));
+}
+
+void BSD::ConnectWork::Execute(BSD* bsd) {
+    bsd_errno = bsd->ConnectImpl(fd, addr);
+}
+
+void BSD::ConnectWork::Response(Kernel::HLERequestContext& ctx) {
+    IPC::ResponseBuilder rb{ctx, 4};
+    rb.Push(RESULT_SUCCESS);
+    rb.Push<s32>(bsd_errno == Errno::SUCCESS ? 0 : -1);
+    rb.PushEnum(bsd_errno);
+}
+
+void BSD::RecvWork::Execute(BSD* bsd) {
+    std::tie(ret, bsd_errno) = bsd->RecvImpl(fd, flags, message);
+}
+
+void BSD::RecvWork::Response(Kernel::HLERequestContext& ctx) {
+    ctx.WriteBuffer(message);
+
+    IPC::ResponseBuilder rb{ctx, 4};
+    rb.Push(RESULT_SUCCESS);
+    rb.Push<s32>(ret);
+    rb.PushEnum(bsd_errno);
+}
+
+void BSD::RecvFromWork::Execute(BSD* bsd) {
+    std::tie(ret, bsd_errno) = bsd->RecvFromImpl(fd, flags, message, addr);
+}
+
+void BSD::RecvFromWork::Response(Kernel::HLERequestContext& ctx) {
+    ctx.WriteBuffer(message, 0);
+    if (!addr.empty()) {
+        ctx.WriteBuffer(addr, 1);
+    }
+
+    IPC::ResponseBuilder rb{ctx, 5};
+    rb.Push(RESULT_SUCCESS);
+    rb.Push<s32>(ret);
+    rb.PushEnum(bsd_errno);
+    rb.Push<u32>(static_cast<u32>(addr.size()));
+}
+
+void BSD::SendWork::Execute(BSD* bsd) {
+    std::tie(ret, bsd_errno) = bsd->SendImpl(fd, flags, message);
+}
+
+void BSD::SendWork::Response(Kernel::HLERequestContext& ctx) {
+    IPC::ResponseBuilder rb{ctx, 4};
+    rb.Push(RESULT_SUCCESS);
+    rb.Push<s32>(ret);
+    rb.PushEnum(bsd_errno);
+}
+
+void BSD::SendToWork::Execute(BSD* bsd) {
+    std::tie(ret, bsd_errno) = bsd->SendToImpl(fd, flags, message, addr);
+}
+
+void BSD::SendToWork::Response(Kernel::HLERequestContext& ctx) {
+    IPC::ResponseBuilder rb{ctx, 4};
+    rb.Push(RESULT_SUCCESS);
+    rb.Push<s32>(ret);
+    rb.PushEnum(bsd_errno);
+}
+
 void BSD::RegisterClient(Kernel::HLERequestContext& ctx) {
     LOG_WARNING(Service, "(STUBBED) called");
 
     IPC::ResponseBuilder rb{ctx, 3};
 
     rb.Push(RESULT_SUCCESS);
-    rb.Push<u32>(0); // bsd errno
+    rb.Push<s32>(0); // bsd errno
 }
 
 void BSD::StartMonitoring(Kernel::HLERequestContext& ctx) {
@@ -26,20 +146,19 @@ void BSD::StartMonitoring(Kernel::HLERequestContext& ctx) {
 
 void BSD::Socket(Kernel::HLERequestContext& ctx) {
     IPC::RequestParser rp{ctx};
+    const u32 domain = rp.Pop<u32>();
+    const u32 type = rp.Pop<u32>();
+    const u32 protocol = rp.Pop<u32>();
 
-    u32 domain = rp.Pop<u32>();
-    u32 type = rp.Pop<u32>();
-    u32 protocol = rp.Pop<u32>();
-
-    LOG_WARNING(Service, "(STUBBED) called domain={} type={} protocol={}", domain, type, protocol);
+    LOG_DEBUG(Service, "called. domain={} type={} protocol={}", domain, type, protocol);
 
-    u32 fd = next_fd++;
+    const auto [fd, bsd_errno] = SocketImpl(static_cast<Domain>(domain), static_cast<Type>(type),
+                                            static_cast<Protocol>(protocol));
 
     IPC::ResponseBuilder rb{ctx, 4};
-
     rb.Push(RESULT_SUCCESS);
-    rb.Push<u32>(fd);
-    rb.Push<u32>(0); // bsd errno
+    rb.Push<s32>(fd);
+    rb.PushEnum(bsd_errno);
 }
 
 void BSD::Select(Kernel::HLERequestContext& ctx) {
@@ -52,67 +171,664 @@ void BSD::Select(Kernel::HLERequestContext& ctx) {
     rb.Push<u32>(0); // bsd errno
 }
 
+void BSD::Poll(Kernel::HLERequestContext& ctx) {
+    IPC::RequestParser rp{ctx};
+    const s32 nfds = rp.Pop<s32>();
+    const s32 timeout = rp.Pop<s32>();
+
+    LOG_DEBUG(Service, "called. nfds={} timeout={}", nfds, timeout);
+
+    ExecuteWork(ctx, "BSD:Poll", timeout != 0,
+                PollWork{
+                    .nfds = nfds,
+                    .timeout = timeout,
+                    .read_buffer = ctx.ReadBuffer(),
+                    .write_buffer = std::vector<u8>(ctx.GetWriteBufferSize()),
+                });
+}
+
+void BSD::Accept(Kernel::HLERequestContext& ctx) {
+    IPC::RequestParser rp{ctx};
+    const s32 fd = rp.Pop<s32>();
+
+    LOG_DEBUG(Service, "called. fd={}", fd);
+
+    ExecuteWork(ctx, "BSD:Accept", IsBlockingSocket(fd),
+                AcceptWork{
+                    .fd = fd,
+                    .write_buffer = std::vector<u8>(ctx.GetWriteBufferSize()),
+                });
+}
+
 void BSD::Bind(Kernel::HLERequestContext& ctx) {
-    LOG_WARNING(Service, "(STUBBED) called");
+    IPC::RequestParser rp{ctx};
+    const s32 fd = rp.Pop<s32>();
 
-    IPC::ResponseBuilder rb{ctx, 4};
+    LOG_DEBUG(Service, "called. fd={} addrlen={}", fd, ctx.GetReadBufferSize());
 
-    rb.Push(RESULT_SUCCESS);
-    rb.Push<u32>(0); // ret
-    rb.Push<u32>(0); // bsd errno
+    BuildErrnoResponse(ctx, BindImpl(fd, ctx.ReadBuffer()));
 }
 
 void BSD::Connect(Kernel::HLERequestContext& ctx) {
-    LOG_WARNING(Service, "(STUBBED) called");
+    IPC::RequestParser rp{ctx};
+    const s32 fd = rp.Pop<s32>();
 
-    IPC::ResponseBuilder rb{ctx, 4};
+    LOG_DEBUG(Service, "called. fd={} addrlen={}", fd, ctx.GetReadBufferSize());
+
+    ExecuteWork(ctx, "BSD:Connect", IsBlockingSocket(fd),
+                ConnectWork{
+                    .fd = fd,
+                    .addr = ctx.ReadBuffer(),
+                });
+}
+
+void BSD::GetPeerName(Kernel::HLERequestContext& ctx) {
+    IPC::RequestParser rp{ctx};
+    const s32 fd = rp.Pop<s32>();
+
+    LOG_DEBUG(Service, "called. fd={}", fd);
 
+    std::vector<u8> write_buffer(ctx.GetWriteBufferSize());
+    const Errno bsd_errno = GetPeerNameImpl(fd, write_buffer);
+
+    ctx.WriteBuffer(write_buffer);
+
+    IPC::ResponseBuilder rb{ctx, 5};
     rb.Push(RESULT_SUCCESS);
-    rb.Push<u32>(0); // ret
-    rb.Push<u32>(0); // bsd errno
+    rb.Push<s32>(bsd_errno != Errno::SUCCESS ? -1 : 0);
+    rb.PushEnum(bsd_errno);
+    rb.Push<u32>(static_cast<u32>(write_buffer.size()));
+}
+
+void BSD::GetSockName(Kernel::HLERequestContext& ctx) {
+    IPC::RequestParser rp{ctx};
+    const s32 fd = rp.Pop<s32>();
+
+    LOG_DEBUG(Service, "called. fd={}", fd);
+
+    std::vector<u8> write_buffer(ctx.GetWriteBufferSize());
+    const Errno bsd_errno = GetSockNameImpl(fd, write_buffer);
+
+    ctx.WriteBuffer(write_buffer);
+
+    IPC::ResponseBuilder rb{ctx, 5};
+    rb.Push(RESULT_SUCCESS);
+    rb.Push<s32>(bsd_errno != Errno::SUCCESS ? -1 : 0);
+    rb.PushEnum(bsd_errno);
+    rb.Push<u32>(static_cast<u32>(write_buffer.size()));
 }
 
 void BSD::Listen(Kernel::HLERequestContext& ctx) {
-    LOG_WARNING(Service, "(STUBBED) called");
+    IPC::RequestParser rp{ctx};
+    const s32 fd = rp.Pop<s32>();
+    const s32 backlog = rp.Pop<s32>();
 
-    IPC::ResponseBuilder rb{ctx, 4};
+    LOG_DEBUG(Service, "called. fd={} backlog={}", fd, backlog);
+
+    BuildErrnoResponse(ctx, ListenImpl(fd, backlog));
+}
+
+void BSD::Fcntl(Kernel::HLERequestContext& ctx) {
+    IPC::RequestParser rp{ctx};
+    const s32 fd = rp.Pop<s32>();
+    const s32 cmd = rp.Pop<s32>();
+    const s32 arg = rp.Pop<s32>();
 
+    LOG_DEBUG(Service, "called. fd={} cmd={} arg={}", fd, cmd, arg);
+
+    const auto [ret, bsd_errno] = FcntlImpl(fd, static_cast<FcntlCmd>(cmd), arg);
+
+    IPC::ResponseBuilder rb{ctx, 4};
     rb.Push(RESULT_SUCCESS);
-    rb.Push<u32>(0); // ret
-    rb.Push<u32>(0); // bsd errno
+    rb.Push<s32>(ret);
+    rb.PushEnum(bsd_errno);
 }
 
 void BSD::SetSockOpt(Kernel::HLERequestContext& ctx) {
-    LOG_WARNING(Service, "(STUBBED) called");
+    IPC::RequestParser rp{ctx};
 
-    IPC::ResponseBuilder rb{ctx, 4};
+    const s32 fd = rp.Pop<s32>();
+    const u32 level = rp.Pop<u32>();
+    const OptName optname = static_cast<OptName>(rp.Pop<u32>());
 
-    rb.Push(RESULT_SUCCESS);
-    rb.Push<u32>(0); // ret
-    rb.Push<u32>(0); // bsd errno
+    const std::vector<u8> buffer = ctx.ReadBuffer();
+    const u8* optval = buffer.empty() ? nullptr : buffer.data();
+    size_t optlen = buffer.size();
+
+    std::array<u64, 2> values;
+    if ((optname == OptName::SNDTIMEO || optname == OptName::RCVTIMEO) && buffer.size() == 8) {
+        std::memcpy(values.data(), buffer.data(), sizeof(values));
+        optlen = sizeof(values);
+        optval = reinterpret_cast<const u8*>(values.data());
+    }
+
+    LOG_DEBUG(Service, "called. fd={} level={} optname=0x{:x} optlen={}", fd, level,
+              static_cast<u32>(optname), optlen);
+
+    BuildErrnoResponse(ctx, SetSockOptImpl(fd, level, optname, optlen, optval));
+}
+
+void BSD::Shutdown(Kernel::HLERequestContext& ctx) {
+    IPC::RequestParser rp{ctx};
+
+    const s32 fd = rp.Pop<s32>();
+    const s32 how = rp.Pop<s32>();
+
+    LOG_DEBUG(Service, "called. fd={} how={}", fd, how);
+
+    BuildErrnoResponse(ctx, ShutdownImpl(fd, how));
+}
+
+void BSD::Recv(Kernel::HLERequestContext& ctx) {
+    IPC::RequestParser rp{ctx};
+
+    const s32 fd = rp.Pop<s32>();
+    const u32 flags = rp.Pop<u32>();
+
+    LOG_DEBUG(Service, "called. fd={} flags=0x{:x} len={}", fd, flags, ctx.GetWriteBufferSize());
+
+    ExecuteWork(ctx, "BSD:Recv", IsBlockingSocket(fd),
+                RecvWork{
+                    .fd = fd,
+                    .flags = flags,
+                    .message = std::vector<u8>(ctx.GetWriteBufferSize()),
+                });
+}
+
+void BSD::RecvFrom(Kernel::HLERequestContext& ctx) {
+    IPC::RequestParser rp{ctx};
+
+    const s32 fd = rp.Pop<s32>();
+    const u32 flags = rp.Pop<u32>();
+
+    LOG_DEBUG(Service, "called. fd={} flags=0x{:x} len={} addrlen={}", fd, flags,
+              ctx.GetWriteBufferSize(0), ctx.GetWriteBufferSize(1));
+
+    ExecuteWork(ctx, "BSD:RecvFrom", IsBlockingSocket(fd),
+                RecvFromWork{
+                    .fd = fd,
+                    .flags = flags,
+                    .message = std::vector<u8>(ctx.GetWriteBufferSize(0)),
+                    .addr = std::vector<u8>(ctx.GetWriteBufferSize(1)),
+                });
+}
+
+void BSD::Send(Kernel::HLERequestContext& ctx) {
+    IPC::RequestParser rp{ctx};
+
+    const s32 fd = rp.Pop<s32>();
+    const u32 flags = rp.Pop<u32>();
+
+    LOG_DEBUG(Service, "called. fd={} flags=0x{:x} len={}", fd, flags, ctx.GetReadBufferSize());
+
+    ExecuteWork(ctx, "BSD:Send", IsBlockingSocket(fd),
+                SendWork{
+                    .fd = fd,
+                    .flags = flags,
+                    .message = ctx.ReadBuffer(),
+                });
 }
 
 void BSD::SendTo(Kernel::HLERequestContext& ctx) {
-    LOG_WARNING(Service, "(STUBBED) called");
+    IPC::RequestParser rp{ctx};
+    const s32 fd = rp.Pop<s32>();
+    const u32 flags = rp.Pop<u32>();
+
+    LOG_DEBUG(Service, "called. fd={} flags=0x{} len={} addrlen={}", fd, flags,
+              ctx.GetReadBufferSize(0), ctx.GetReadBufferSize(1));
+
+    ExecuteWork(ctx, "BSD:SendTo", IsBlockingSocket(fd),
+                SendToWork{
+                    .fd = fd,
+                    .flags = flags,
+                    .message = ctx.ReadBuffer(0),
+                    .addr = ctx.ReadBuffer(1),
+                });
+}
 
-    IPC::ResponseBuilder rb{ctx, 4};
+void BSD::Write(Kernel::HLERequestContext& ctx) {
+    IPC::RequestParser rp{ctx};
+    const s32 fd = rp.Pop<s32>();
 
-    rb.Push(RESULT_SUCCESS);
-    rb.Push<u32>(0); // ret
-    rb.Push<u32>(0); // bsd errno
+    LOG_DEBUG(Service, "called. fd={} len={}", fd, ctx.GetReadBufferSize());
+
+    ExecuteWork(ctx, "BSD:Write", IsBlockingSocket(fd),
+                SendWork{
+                    .fd = fd,
+                    .flags = 0,
+                    .message = ctx.ReadBuffer(),
+                });
 }
 
 void BSD::Close(Kernel::HLERequestContext& ctx) {
-    LOG_WARNING(Service, "(STUBBED) called");
+    IPC::RequestParser rp{ctx};
+    const s32 fd = rp.Pop<s32>();
+
+    LOG_DEBUG(Service, "called. fd={}", fd);
+
+    BuildErrnoResponse(ctx, CloseImpl(fd));
+}
+
+template <typename Work>
+void BSD::ExecuteWork(Kernel::HLERequestContext& ctx, std::string_view sleep_reason,
+                      bool is_blocking, Work work) {
+    if (!is_blocking) {
+        work.Execute(this);
+        work.Response(ctx);
+        return;
+    }
+
+    // Signal a dummy response to make IPC validation happy
+    // This will be overwritten by the SleepClientThread callback
+    work.Response(ctx);
+
+    auto worker = worker_pool.CaptureWorker();
+
+    ctx.SleepClientThread(std::string(sleep_reason), std::numeric_limits<u64>::max(),
+                          worker->Callback<Work>(), worker->KernelEvent());
+
+    worker->SendWork(std::move(work));
+}
+
+std::pair<s32, Errno> BSD::SocketImpl(Domain domain, Type type, Protocol protocol) {
+    if (type == Type::SEQPACKET) {
+        UNIMPLEMENTED_MSG("SOCK_SEQPACKET errno management");
+    } else if (type == Type::RAW && (domain != Domain::INET || protocol != Protocol::ICMP)) {
+        UNIMPLEMENTED_MSG("SOCK_RAW errno management");
+    }
+
+    [[maybe_unused]] const bool unk_flag = (static_cast<u32>(type) & 0x20000000) != 0;
+    UNIMPLEMENTED_IF_MSG(unk_flag, "Unknown flag in type");
+    type = static_cast<Type>(static_cast<u32>(type) & ~0x20000000);
+
+    const s32 fd = FindFreeFileDescriptorHandle();
+    if (fd < 0) {
+        LOG_ERROR(Service, "No more file descriptors available");
+        return {-1, Errno::MFILE};
+    }
+
+    FileDescriptor& descriptor = file_descriptors[fd].emplace();
+    // ENONMEM might be thrown here
+
+    LOG_INFO(Service, "New socket fd={}", fd);
+
+    descriptor.socket = std::make_unique<Network::Socket>();
+    descriptor.socket->Initialize(Translate(domain), Translate(type), Translate(type, protocol));
+    descriptor.is_connection_based = IsConnectionBased(type);
+
+    return {fd, Errno::SUCCESS};
+}
 
+std::pair<s32, Errno> BSD::PollImpl(std::vector<u8>& write_buffer, std::vector<u8> read_buffer,
+                                    s32 nfds, s32 timeout) {
+    if (write_buffer.size() < nfds * sizeof(PollFD)) {
+        return {-1, Errno::INVAL};
+    }
+
+    if (nfds == 0) {
+        // When no entries are provided, -1 is returned with errno zero
+        return {-1, Errno::SUCCESS};
+    }
+
+    const size_t length = std::min(read_buffer.size(), write_buffer.size());
+    std::vector<PollFD> fds(nfds);
+    std::memcpy(fds.data(), read_buffer.data(), length);
+
+    if (timeout >= 0) {
+        const s64 seconds = timeout / 1000;
+        const u64 nanoseconds = 1'000'000 * (static_cast<u64>(timeout) % 1000);
+
+        if (seconds < 0) {
+            return {-1, Errno::INVAL};
+        }
+        if (nanoseconds > 999'999'999) {
+            return {-1, Errno::INVAL};
+        }
+    } else if (timeout != -1) {
+        return {-1, Errno::INVAL};
+    }
+
+    for (PollFD& pollfd : fds) {
+        ASSERT(pollfd.revents == 0);
+
+        if (pollfd.fd > static_cast<s32>(MAX_FD) || pollfd.fd < 0) {
+            LOG_ERROR(Service, "File descriptor handle={} is invalid", pollfd.fd);
+            pollfd.revents = 0;
+            return {0, Errno::SUCCESS};
+        }
+
+        const std::optional<FileDescriptor>& descriptor = file_descriptors[pollfd.fd];
+        if (!descriptor) {
+            LOG_ERROR(Service, "File descriptor handle={} is not allocated", pollfd.fd);
+            pollfd.revents = POLL_NVAL;
+            return {0, Errno::SUCCESS};
+        }
+    }
+
+    std::vector<Network::PollFD> host_pollfds(fds.size());
+    std::transform(fds.begin(), fds.end(), host_pollfds.begin(), [this](PollFD pollfd) {
+        Network::PollFD result;
+        result.socket = file_descriptors[pollfd.fd]->socket.get();
+        result.events = TranslatePollEventsToHost(pollfd.events);
+        result.revents = 0;
+        return result;
+    });
+
+    const auto result = Network::Poll(host_pollfds, timeout);
+
+    const size_t num = host_pollfds.size();
+    for (size_t i = 0; i < num; ++i) {
+        fds[i].revents = TranslatePollEventsToGuest(host_pollfds[i].revents);
+    }
+    std::memcpy(write_buffer.data(), fds.data(), length);
+
+    return Translate(result);
+}
+
+std::pair<s32, Errno> BSD::AcceptImpl(s32 fd, std::vector<u8>& write_buffer) {
+    if (!IsFileDescriptorValid(fd)) {
+        return {-1, Errno::BADF};
+    }
+
+    const s32 new_fd = FindFreeFileDescriptorHandle();
+    if (new_fd < 0) {
+        LOG_ERROR(Service, "No more file descriptors available");
+        return {-1, Errno::MFILE};
+    }
+
+    FileDescriptor& descriptor = *file_descriptors[fd];
+    auto [result, bsd_errno] = descriptor.socket->Accept();
+    if (bsd_errno != Network::Errno::SUCCESS) {
+        return {-1, Translate(bsd_errno)};
+    }
+
+    FileDescriptor& new_descriptor = file_descriptors[new_fd].emplace();
+    new_descriptor.socket = std::move(result.socket);
+    new_descriptor.is_connection_based = descriptor.is_connection_based;
+
+    ASSERT(write_buffer.size() == sizeof(SockAddrIn));
+    const SockAddrIn guest_addr_in = Translate(result.sockaddr_in);
+    std::memcpy(write_buffer.data(), &guest_addr_in, sizeof(guest_addr_in));
+
+    return {new_fd, Errno::SUCCESS};
+}
+
+Errno BSD::BindImpl(s32 fd, const std::vector<u8>& addr) {
+    if (!IsFileDescriptorValid(fd)) {
+        return Errno::BADF;
+    }
+    ASSERT(addr.size() == sizeof(SockAddrIn));
+    SockAddrIn addr_in;
+    std::memcpy(&addr_in, addr.data(), sizeof(addr_in));
+
+    return Translate(file_descriptors[fd]->socket->Bind(Translate(addr_in)));
+}
+
+Errno BSD::ConnectImpl(s32 fd, const std::vector<u8>& addr) {
+    if (!IsFileDescriptorValid(fd)) {
+        return Errno::BADF;
+    }
+
+    UNIMPLEMENTED_IF(addr.size() != sizeof(SockAddrIn));
+    SockAddrIn addr_in;
+    std::memcpy(&addr_in, addr.data(), sizeof(addr_in));
+
+    return Translate(file_descriptors[fd]->socket->Connect(Translate(addr_in)));
+}
+
+Errno BSD::GetPeerNameImpl(s32 fd, std::vector<u8>& write_buffer) {
+    if (!IsFileDescriptorValid(fd)) {
+        return Errno::BADF;
+    }
+
+    const auto [addr_in, bsd_errno] = file_descriptors[fd]->socket->GetPeerName();
+    if (bsd_errno != Network::Errno::SUCCESS) {
+        return Translate(bsd_errno);
+    }
+    const SockAddrIn guest_addrin = Translate(addr_in);
+
+    ASSERT(write_buffer.size() == sizeof(guest_addrin));
+    std::memcpy(write_buffer.data(), &guest_addrin, sizeof(guest_addrin));
+    return Translate(bsd_errno);
+}
+
+Errno BSD::GetSockNameImpl(s32 fd, std::vector<u8>& write_buffer) {
+    if (!IsFileDescriptorValid(fd)) {
+        return Errno::BADF;
+    }
+
+    const auto [addr_in, bsd_errno] = file_descriptors[fd]->socket->GetSockName();
+    if (bsd_errno != Network::Errno::SUCCESS) {
+        return Translate(bsd_errno);
+    }
+    const SockAddrIn guest_addrin = Translate(addr_in);
+
+    ASSERT(write_buffer.size() == sizeof(guest_addrin));
+    std::memcpy(write_buffer.data(), &guest_addrin, sizeof(guest_addrin));
+    return Translate(bsd_errno);
+}
+
+Errno BSD::ListenImpl(s32 fd, s32 backlog) {
+    if (!IsFileDescriptorValid(fd)) {
+        return Errno::BADF;
+    }
+    return Translate(file_descriptors[fd]->socket->Listen(backlog));
+}
+
+std::pair<s32, Errno> BSD::FcntlImpl(s32 fd, FcntlCmd cmd, s32 arg) {
+    if (!IsFileDescriptorValid(fd)) {
+        return {-1, Errno::BADF};
+    }
+
+    FileDescriptor& descriptor = *file_descriptors[fd];
+
+    switch (cmd) {
+    case FcntlCmd::GETFL:
+        ASSERT(arg == 0);
+        return {descriptor.flags, Errno::SUCCESS};
+    case FcntlCmd::SETFL: {
+        const bool enable = (arg & FLAG_O_NONBLOCK) != 0;
+        const Errno bsd_errno = Translate(descriptor.socket->SetNonBlock(enable));
+        if (bsd_errno != Errno::SUCCESS) {
+            return {-1, bsd_errno};
+        }
+        descriptor.flags = arg;
+        return {0, Errno::SUCCESS};
+    }
+    default:
+        UNIMPLEMENTED_MSG("Unimplemented cmd={}", static_cast<int>(cmd));
+        return {-1, Errno::SUCCESS};
+    }
+}
+
+Errno BSD::SetSockOptImpl(s32 fd, u32 level, OptName optname, size_t optlen, const void* optval) {
+    UNIMPLEMENTED_IF(level != 0xffff); // SOL_SOCKET
+
+    if (!IsFileDescriptorValid(fd)) {
+        return Errno::BADF;
+    }
+
+    Network::Socket* const socket = file_descriptors[fd]->socket.get();
+
+    if (optname == OptName::LINGER) {
+        ASSERT(optlen == sizeof(Linger));
+        Linger linger;
+        std::memcpy(&linger, optval, sizeof(linger));
+        ASSERT(linger.onoff == 0 || linger.onoff == 1);
+
+        return Translate(socket->SetLinger(linger.onoff != 0, linger.linger));
+    }
+
+    ASSERT(optlen == sizeof(u32));
+    u32 value;
+    std::memcpy(&value, optval, sizeof(value));
+
+    switch (optname) {
+    case OptName::REUSEADDR:
+        ASSERT(value == 0 || value == 1);
+        return Translate(socket->SetReuseAddr(value != 0));
+    case OptName::BROADCAST:
+        ASSERT(value == 0 || value == 1);
+        return Translate(socket->SetBroadcast(value != 0));
+    case OptName::SNDBUF:
+        return Translate(socket->SetSndBuf(value));
+    case OptName::RCVBUF:
+        return Translate(socket->SetRcvBuf(value));
+    case OptName::SNDTIMEO:
+        return Translate(socket->SetSndTimeo(value));
+    case OptName::RCVTIMEO:
+        return Translate(socket->SetRcvTimeo(value));
+    default:
+        UNIMPLEMENTED_MSG("Unimplemented optname={}", static_cast<int>(optname));
+        return Errno::SUCCESS;
+    }
+}
+
+Errno BSD::ShutdownImpl(s32 fd, s32 how) {
+    if (!IsFileDescriptorValid(fd)) {
+        return Errno::BADF;
+    }
+    const Network::ShutdownHow host_how = Translate(static_cast<ShutdownHow>(how));
+    return Translate(file_descriptors[fd]->socket->Shutdown(host_how));
+}
+
+std::pair<s32, Errno> BSD::RecvImpl(s32 fd, u32 flags, std::vector<u8>& message) {
+    if (!IsFileDescriptorValid(fd)) {
+        return {-1, Errno::BADF};
+    }
+    return Translate(file_descriptors[fd]->socket->Recv(flags, message));
+}
+
+std::pair<s32, Errno> BSD::RecvFromImpl(s32 fd, u32 flags, std::vector<u8>& message,
+                                        std::vector<u8>& addr) {
+    if (!IsFileDescriptorValid(fd)) {
+        return {-1, Errno::BADF};
+    }
+
+    FileDescriptor& descriptor = *file_descriptors[fd];
+
+    Network::SockAddrIn addr_in{};
+    Network::SockAddrIn* p_addr_in = nullptr;
+    if (descriptor.is_connection_based) {
+        // Connection based file descriptors (e.g. TCP) zero addr
+        addr.clear();
+    } else {
+        p_addr_in = &addr_in;
+    }
+
+    // Apply flags
+    if ((flags & FLAG_MSG_DONTWAIT) != 0) {
+        flags &= ~FLAG_MSG_DONTWAIT;
+        if ((descriptor.flags & FLAG_O_NONBLOCK) == 0) {
+            descriptor.socket->SetNonBlock(true);
+        }
+    }
+
+    const auto [ret, bsd_errno] = Translate(descriptor.socket->RecvFrom(flags, message, p_addr_in));
+
+    // Restore original state
+    if ((descriptor.flags & FLAG_O_NONBLOCK) == 0) {
+        descriptor.socket->SetNonBlock(false);
+    }
+
+    if (p_addr_in) {
+        if (ret < 0) {
+            addr.clear();
+        } else {
+            ASSERT(addr.size() == sizeof(SockAddrIn));
+            const SockAddrIn result = Translate(addr_in);
+            std::memcpy(addr.data(), &result, sizeof(result));
+        }
+    }
+
+    return {ret, bsd_errno};
+}
+
+std::pair<s32, Errno> BSD::SendImpl(s32 fd, u32 flags, const std::vector<u8>& message) {
+    if (!IsFileDescriptorValid(fd)) {
+        return {-1, Errno::BADF};
+    }
+    return Translate(file_descriptors[fd]->socket->Send(message, flags));
+}
+
+std::pair<s32, Errno> BSD::SendToImpl(s32 fd, u32 flags, const std::vector<u8>& message,
+                                      const std::vector<u8>& addr) {
+    if (!IsFileDescriptorValid(fd)) {
+        return {-1, Errno::BADF};
+    }
+
+    Network::SockAddrIn addr_in;
+    Network::SockAddrIn* p_addr_in = nullptr;
+    if (!addr.empty()) {
+        ASSERT(addr.size() == sizeof(SockAddrIn));
+        SockAddrIn guest_addr_in;
+        std::memcpy(&guest_addr_in, addr.data(), sizeof(guest_addr_in));
+        addr_in = Translate(guest_addr_in);
+        p_addr_in = &addr_in;
+    }
+
+    return Translate(file_descriptors[fd]->socket->SendTo(flags, message, p_addr_in));
+}
+
+Errno BSD::CloseImpl(s32 fd) {
+    if (!IsFileDescriptorValid(fd)) {
+        return Errno::BADF;
+    }
+
+    const Errno bsd_errno = Translate(file_descriptors[fd]->socket->Close());
+    if (bsd_errno != Errno::SUCCESS) {
+        return bsd_errno;
+    }
+
+    LOG_INFO(Service, "Close socket fd={}", fd);
+
+    file_descriptors[fd].reset();
+    return bsd_errno;
+}
+
+s32 BSD::FindFreeFileDescriptorHandle() noexcept {
+    for (s32 fd = 0; fd < static_cast<s32>(file_descriptors.size()); ++fd) {
+        if (!file_descriptors[fd]) {
+            return fd;
+        }
+    }
+    return -1;
+}
+
+bool BSD::IsFileDescriptorValid(s32 fd) const noexcept {
+    if (fd > static_cast<s32>(MAX_FD) || fd < 0) {
+        LOG_ERROR(Service, "Invalid file descriptor handle={}", fd);
+        return false;
+    }
+    if (!file_descriptors[fd]) {
+        LOG_ERROR(Service, "File descriptor handle={} is not allocated", fd);
+        return false;
+    }
+    return true;
+}
+
+bool BSD::IsBlockingSocket(s32 fd) const noexcept {
+    // Inform invalid sockets as non-blocking
+    // This way we avoid using a worker thread as it will fail without blocking host
+    if (fd > static_cast<s32>(MAX_FD) || fd < 0) {
+        return false;
+    }
+    if (!file_descriptors[fd]) {
+        return false;
+    }
+    return (file_descriptors[fd]->flags & FLAG_O_NONBLOCK) != 0;
+}
+
+void BSD::BuildErrnoResponse(Kernel::HLERequestContext& ctx, Errno bsd_errno) const noexcept {
     IPC::ResponseBuilder rb{ctx, 4};
 
     rb.Push(RESULT_SUCCESS);
-    rb.Push<u32>(0); // ret
-    rb.Push<u32>(0); // bsd errno
+    rb.Push<s32>(bsd_errno == Errno::SUCCESS ? 0 : -1);
+    rb.PushEnum(bsd_errno);
 }
 
-BSD::BSD(const char* name) : ServiceFramework(name) {
+BSD::BSD(Core::System& system, const char* name)
+    : ServiceFramework(name), worker_pool{system, this} {
     // clang-format off
     static const FunctionInfo functions[] = {
         {0, &BSD::RegisterClient, "RegisterClient"},
@@ -121,25 +837,25 @@ BSD::BSD(const char* name) : ServiceFramework(name) {
         {3, nullptr, "SocketExempt"},
         {4, nullptr, "Open"},
         {5, &BSD::Select, "Select"},
-        {6, nullptr, "Poll"},
+        {6, &BSD::Poll, "Poll"},
         {7, nullptr, "Sysctl"},
-        {8, nullptr, "Recv"},
-        {9, nullptr, "RecvFrom"},
-        {10, nullptr, "Send"},
+        {8, &BSD::Recv, "Recv"},
+        {9, &BSD::RecvFrom, "RecvFrom"},
+        {10, &BSD::Send, "Send"},
         {11, &BSD::SendTo, "SendTo"},
-        {12, nullptr, "Accept"},
+        {12, &BSD::Accept, "Accept"},
         {13, &BSD::Bind, "Bind"},
         {14, &BSD::Connect, "Connect"},
-        {15, nullptr, "GetPeerName"},
-        {16, nullptr, "GetSockName"},
+        {15, &BSD::GetPeerName, "GetPeerName"},
+        {16, &BSD::GetSockName, "GetSockName"},
         {17, nullptr, "GetSockOpt"},
         {18, &BSD::Listen, "Listen"},
         {19, nullptr, "Ioctl"},
-        {20, nullptr, "Fcntl"},
+        {20, &BSD::Fcntl, "Fcntl"},
         {21, &BSD::SetSockOpt, "SetSockOpt"},
-        {22, nullptr, "Shutdown"},
+        {22, &BSD::Shutdown, "Shutdown"},
         {23, nullptr, "ShutdownAllSockets"},
-        {24, nullptr, "Write"},
+        {24, &BSD::Write, "Write"},
         {25, nullptr, "Read"},
         {26, &BSD::Close, "Close"},
         {27, nullptr, "DuplicateSocket"},
diff --git a/src/core/hle/service/sockets/bsd.h b/src/core/hle/service/sockets/bsd.h
index 3098e3baf..357531951 100644
--- a/src/core/hle/service/sockets/bsd.h
+++ b/src/core/hle/service/sockets/bsd.h
@@ -4,30 +4,174 @@
 
 #pragma once
 
+#include <memory>
+#include <string_view>
+#include <vector>
+
+#include "common/common_types.h"
 #include "core/hle/kernel/hle_ipc.h"
 #include "core/hle/service/service.h"
+#include "core/hle/service/sockets/blocking_worker.h"
+#include "core/hle/service/sockets/sockets.h"
+
+namespace Core {
+class System;
+}
+
+namespace Network {
+class Socket;
+}
 
 namespace Service::Sockets {
 
 class BSD final : public ServiceFramework<BSD> {
 public:
-    explicit BSD(const char* name);
+    explicit BSD(Core::System& system, const char* name);
     ~BSD() override;
 
 private:
+    /// Maximum number of file descriptors
+    static constexpr size_t MAX_FD = 128;
+
+    struct FileDescriptor {
+        std::unique_ptr<Network::Socket> socket;
+        s32 flags = 0;
+        bool is_connection_based = false;
+    };
+
+    struct PollWork {
+        void Execute(BSD* bsd);
+        void Response(Kernel::HLERequestContext& ctx);
+
+        s32 nfds;
+        s32 timeout;
+        std::vector<u8> read_buffer;
+        std::vector<u8> write_buffer;
+        s32 ret{};
+        Errno bsd_errno{};
+    };
+
+    struct AcceptWork {
+        void Execute(BSD* bsd);
+        void Response(Kernel::HLERequestContext& ctx);
+
+        s32 fd;
+        std::vector<u8> write_buffer;
+        s32 ret{};
+        Errno bsd_errno{};
+    };
+
+    struct ConnectWork {
+        void Execute(BSD* bsd);
+        void Response(Kernel::HLERequestContext& ctx);
+
+        s32 fd;
+        std::vector<u8> addr;
+        Errno bsd_errno{};
+    };
+
+    struct RecvWork {
+        void Execute(BSD* bsd);
+        void Response(Kernel::HLERequestContext& ctx);
+
+        s32 fd;
+        u32 flags;
+        std::vector<u8> message;
+        s32 ret{};
+        Errno bsd_errno{};
+    };
+
+    struct RecvFromWork {
+        void Execute(BSD* bsd);
+        void Response(Kernel::HLERequestContext& ctx);
+
+        s32 fd;
+        u32 flags;
+        std::vector<u8> message;
+        std::vector<u8> addr;
+        s32 ret{};
+        Errno bsd_errno{};
+    };
+
+    struct SendWork {
+        void Execute(BSD* bsd);
+        void Response(Kernel::HLERequestContext& ctx);
+
+        s32 fd;
+        u32 flags;
+        std::vector<u8> message;
+        s32 ret{};
+        Errno bsd_errno{};
+    };
+
+    struct SendToWork {
+        void Execute(BSD* bsd);
+        void Response(Kernel::HLERequestContext& ctx);
+
+        s32 fd;
+        u32 flags;
+        std::vector<u8> message;
+        std::vector<u8> addr;
+        s32 ret{};
+        Errno bsd_errno{};
+    };
+
     void RegisterClient(Kernel::HLERequestContext& ctx);
     void StartMonitoring(Kernel::HLERequestContext& ctx);
     void Socket(Kernel::HLERequestContext& ctx);
     void Select(Kernel::HLERequestContext& ctx);
+    void Poll(Kernel::HLERequestContext& ctx);
+    void Accept(Kernel::HLERequestContext& ctx);
     void Bind(Kernel::HLERequestContext& ctx);
     void Connect(Kernel::HLERequestContext& ctx);
+    void GetPeerName(Kernel::HLERequestContext& ctx);
+    void GetSockName(Kernel::HLERequestContext& ctx);
     void Listen(Kernel::HLERequestContext& ctx);
+    void Fcntl(Kernel::HLERequestContext& ctx);
     void SetSockOpt(Kernel::HLERequestContext& ctx);
+    void Shutdown(Kernel::HLERequestContext& ctx);
+    void Recv(Kernel::HLERequestContext& ctx);
+    void RecvFrom(Kernel::HLERequestContext& ctx);
+    void Send(Kernel::HLERequestContext& ctx);
     void SendTo(Kernel::HLERequestContext& ctx);
+    void Write(Kernel::HLERequestContext& ctx);
     void Close(Kernel::HLERequestContext& ctx);
 
-    /// Id to use for the next open file descriptor.
-    u32 next_fd = 1;
+    template <typename Work>
+    void ExecuteWork(Kernel::HLERequestContext& ctx, std::string_view sleep_reason,
+                     bool is_blocking, Work work);
+
+    std::pair<s32, Errno> SocketImpl(Domain domain, Type type, Protocol protocol);
+    std::pair<s32, Errno> PollImpl(std::vector<u8>& write_buffer, std::vector<u8> read_buffer,
+                                   s32 nfds, s32 timeout);
+    std::pair<s32, Errno> AcceptImpl(s32 fd, std::vector<u8>& write_buffer);
+    Errno BindImpl(s32 fd, const std::vector<u8>& addr);
+    Errno ConnectImpl(s32 fd, const std::vector<u8>& addr);
+    Errno GetPeerNameImpl(s32 fd, std::vector<u8>& write_buffer);
+    Errno GetSockNameImpl(s32 fd, std::vector<u8>& write_buffer);
+    Errno ListenImpl(s32 fd, s32 backlog);
+    std::pair<s32, Errno> FcntlImpl(s32 fd, FcntlCmd cmd, s32 arg);
+    Errno SetSockOptImpl(s32 fd, u32 level, OptName optname, size_t optlen, const void* optval);
+    Errno ShutdownImpl(s32 fd, s32 how);
+    std::pair<s32, Errno> RecvImpl(s32 fd, u32 flags, std::vector<u8>& message);
+    std::pair<s32, Errno> RecvFromImpl(s32 fd, u32 flags, std::vector<u8>& message,
+                                       std::vector<u8>& addr);
+    std::pair<s32, Errno> SendImpl(s32 fd, u32 flags, const std::vector<u8>& message);
+    std::pair<s32, Errno> SendToImpl(s32 fd, u32 flags, const std::vector<u8>& message,
+                                     const std::vector<u8>& addr);
+    Errno CloseImpl(s32 fd);
+
+    s32 FindFreeFileDescriptorHandle() noexcept;
+    bool IsFileDescriptorValid(s32 fd) const noexcept;
+    bool IsBlockingSocket(s32 fd) const noexcept;
+
+    void BuildErrnoResponse(Kernel::HLERequestContext& ctx, Errno bsd_errno) const noexcept;
+
+    std::array<std::optional<FileDescriptor>, MAX_FD> file_descriptors;
+
+    BlockingWorkerPool<BSD, PollWork, AcceptWork, ConnectWork, RecvWork, RecvFromWork, SendWork,
+                       SendToWork>
+        worker_pool;
 };
 
 class BSDCFG final : public ServiceFramework<BSDCFG> {
diff --git a/src/core/hle/service/sockets/sockets.cpp b/src/core/hle/service/sockets/sockets.cpp
index 08d2d306a..1d27f7906 100644
--- a/src/core/hle/service/sockets/sockets.cpp
+++ b/src/core/hle/service/sockets/sockets.cpp
@@ -10,9 +10,9 @@
 
 namespace Service::Sockets {
 
-void InstallInterfaces(SM::ServiceManager& service_manager) {
-    std::make_shared<BSD>("bsd:s")->InstallAsService(service_manager);
-    std::make_shared<BSD>("bsd:u")->InstallAsService(service_manager);
+void InstallInterfaces(SM::ServiceManager& service_manager, Core::System& system) {
+    std::make_shared<BSD>(system, "bsd:s")->InstallAsService(service_manager);
+    std::make_shared<BSD>(system, "bsd:u")->InstallAsService(service_manager);
     std::make_shared<BSDCFG>()->InstallAsService(service_manager);
 
     std::make_shared<ETHC_C>()->InstallAsService(service_manager);
diff --git a/src/core/hle/service/sockets/sockets.h b/src/core/hle/service/sockets/sockets.h
index ca8a6a7e0..89a410076 100644
--- a/src/core/hle/service/sockets/sockets.h
+++ b/src/core/hle/service/sockets/sockets.h
@@ -4,11 +4,94 @@
 
 #pragma once
 
+#include "common/common_types.h"
 #include "core/hle/service/service.h"
 
+namespace Core {
+class System;
+}
+
 namespace Service::Sockets {
 
+enum class Errno : u32 {
+    SUCCESS = 0,
+    BADF = 9,
+    AGAIN = 11,
+    INVAL = 22,
+    MFILE = 24,
+    NOTCONN = 107,
+};
+
+enum class Domain : u32 {
+    INET = 2,
+};
+
+enum class Type : u32 {
+    STREAM = 1,
+    DGRAM = 2,
+    RAW = 3,
+    SEQPACKET = 5,
+};
+
+enum class Protocol : u32 {
+    UNSPECIFIED = 0,
+    ICMP = 1,
+    TCP = 6,
+    UDP = 17,
+};
+
+enum class OptName : u32 {
+    REUSEADDR = 0x4,
+    BROADCAST = 0x20,
+    LINGER = 0x80,
+    SNDBUF = 0x1001,
+    RCVBUF = 0x1002,
+    SNDTIMEO = 0x1005,
+    RCVTIMEO = 0x1006,
+};
+
+enum class ShutdownHow : s32 {
+    RD = 0,
+    WR = 1,
+    RDWR = 2,
+};
+
+enum class FcntlCmd : s32 {
+    GETFL = 3,
+    SETFL = 4,
+};
+
+struct SockAddrIn {
+    u8 len;
+    u8 family;
+    u16 portno;
+    std::array<u8, 4> ip;
+    std::array<u8, 8> zeroes;
+};
+
+struct PollFD {
+    s32 fd;
+    u16 events;
+    u16 revents;
+};
+
+struct Linger {
+    u32 onoff;
+    u32 linger;
+};
+
+constexpr u16 POLL_IN = 0x01;
+constexpr u16 POLL_PRI = 0x02;
+constexpr u16 POLL_OUT = 0x04;
+constexpr u16 POLL_ERR = 0x08;
+constexpr u16 POLL_HUP = 0x10;
+constexpr u16 POLL_NVAL = 0x20;
+
+constexpr u32 FLAG_MSG_DONTWAIT = 0x80;
+
+constexpr u32 FLAG_O_NONBLOCK = 0x800;
+
 /// Registers all Sockets services with the specified service manager.
-void InstallInterfaces(SM::ServiceManager& service_manager);
+void InstallInterfaces(SM::ServiceManager& service_manager, Core::System& system);
 
 } // namespace Service::Sockets
diff --git a/src/core/hle/service/sockets/sockets_translate.cpp b/src/core/hle/service/sockets/sockets_translate.cpp
new file mode 100644
index 000000000..139743e1d
--- /dev/null
+++ b/src/core/hle/service/sockets/sockets_translate.cpp
@@ -0,0 +1,165 @@
+// Copyright 2020 yuzu emulator team
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include <utility>
+
+#include "common/assert.h"
+#include "common/common_types.h"
+#include "core/hle/service/sockets/sockets.h"
+#include "core/hle/service/sockets/sockets_translate.h"
+#include "core/network/network.h"
+
+namespace Service::Sockets {
+
+Errno Translate(Network::Errno value) {
+    switch (value) {
+    case Network::Errno::SUCCESS:
+        return Errno::SUCCESS;
+    case Network::Errno::BADF:
+        return Errno::BADF;
+    case Network::Errno::AGAIN:
+        return Errno::AGAIN;
+    case Network::Errno::INVAL:
+        return Errno::INVAL;
+    case Network::Errno::MFILE:
+        return Errno::MFILE;
+    case Network::Errno::NOTCONN:
+        return Errno::NOTCONN;
+    default:
+        UNIMPLEMENTED_MSG("Unimplemented errno={}", static_cast<int>(value));
+        return Errno::SUCCESS;
+    }
+}
+
+std::pair<s32, Errno> Translate(std::pair<s32, Network::Errno> value) {
+    return {value.first, Translate(value.second)};
+}
+
+Network::Domain Translate(Domain domain) {
+    switch (domain) {
+    case Domain::INET:
+        return Network::Domain::INET;
+    default:
+        UNIMPLEMENTED_MSG("Unimplemented domain={}", static_cast<int>(domain));
+        return {};
+    }
+}
+
+Domain Translate(Network::Domain domain) {
+    switch (domain) {
+    case Network::Domain::INET:
+        return Domain::INET;
+    default:
+        UNIMPLEMENTED_MSG("Unimplemented domain={}", static_cast<int>(domain));
+        return {};
+    }
+}
+
+Network::Type Translate(Type type) {
+    switch (type) {
+    case Type::STREAM:
+        return Network::Type::STREAM;
+    case Type::DGRAM:
+        return Network::Type::DGRAM;
+    default:
+        UNIMPLEMENTED_MSG("Unimplemented type={}", static_cast<int>(type));
+    }
+}
+
+Network::Protocol Translate(Type type, Protocol protocol) {
+    switch (protocol) {
+    case Protocol::UNSPECIFIED:
+        LOG_WARNING(Service, "Unspecified protocol, assuming protocol from type");
+        switch (type) {
+        case Type::DGRAM:
+            return Network::Protocol::UDP;
+        case Type::STREAM:
+            return Network::Protocol::TCP;
+        default:
+            return Network::Protocol::TCP;
+        }
+    case Protocol::TCP:
+        return Network::Protocol::TCP;
+    case Protocol::UDP:
+        return Network::Protocol::UDP;
+    default:
+        UNIMPLEMENTED_MSG("Unimplemented protocol={}", static_cast<int>(protocol));
+        return Network::Protocol::TCP;
+    }
+}
+
+u16 TranslatePollEventsToHost(u16 flags) {
+    u16 result = 0;
+    const auto translate = [&result, &flags](u16 from, u16 to) {
+        if ((flags & from) != 0) {
+            flags &= ~from;
+            result |= to;
+        }
+    };
+    translate(POLL_IN, Network::POLL_IN);
+    translate(POLL_PRI, Network::POLL_PRI);
+    translate(POLL_OUT, Network::POLL_OUT);
+    translate(POLL_ERR, Network::POLL_ERR);
+    translate(POLL_HUP, Network::POLL_HUP);
+    translate(POLL_NVAL, Network::POLL_NVAL);
+
+    UNIMPLEMENTED_IF_MSG(flags != 0, "Unimplemented flags={}", flags);
+    return result;
+}
+
+u16 TranslatePollEventsToGuest(u16 flags) {
+    u16 result = 0;
+    const auto translate = [&result, &flags](u16 from, u16 to) {
+        if ((flags & from) != 0) {
+            flags &= ~from;
+            result |= to;
+        }
+    };
+
+    translate(Network::POLL_IN, POLL_IN);
+    translate(Network::POLL_PRI, POLL_PRI);
+    translate(Network::POLL_OUT, POLL_OUT);
+    translate(Network::POLL_ERR, POLL_ERR);
+    translate(Network::POLL_HUP, POLL_HUP);
+    translate(Network::POLL_NVAL, POLL_NVAL);
+
+    UNIMPLEMENTED_IF_MSG(flags != 0, "Unimplemented flags={}", flags);
+    return result;
+}
+
+Network::SockAddrIn Translate(SockAddrIn value) {
+    ASSERT(value.len == 0 || value.len == sizeof(value));
+
+    return {
+        .family = Translate(static_cast<Domain>(value.family)),
+        .ip = value.ip,
+        .portno = static_cast<u16>(value.portno >> 8 | value.portno << 8),
+    };
+}
+
+SockAddrIn Translate(Network::SockAddrIn value) {
+    return {
+        .len = sizeof(SockAddrIn),
+        .family = static_cast<u8>(Translate(value.family)),
+        .portno = static_cast<u16>(value.portno >> 8 | value.portno << 8),
+        .ip = value.ip,
+        .zeroes = {},
+    };
+}
+
+Network::ShutdownHow Translate(ShutdownHow how) {
+    switch (how) {
+    case ShutdownHow::RD:
+        return Network::ShutdownHow::RD;
+    case ShutdownHow::WR:
+        return Network::ShutdownHow::WR;
+    case ShutdownHow::RDWR:
+        return Network::ShutdownHow::RDWR;
+    default:
+        UNIMPLEMENTED_MSG("Unimplemented how={}", static_cast<int>(how));
+        return {};
+    }
+}
+
+} // namespace Service::Sockets
diff --git a/src/core/hle/service/sockets/sockets_translate.h b/src/core/hle/service/sockets/sockets_translate.h
new file mode 100644
index 000000000..8ed041e31
--- /dev/null
+++ b/src/core/hle/service/sockets/sockets_translate.h
@@ -0,0 +1,48 @@
+// Copyright 2020 yuzu emulator team
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <utility>
+
+#include "common/common_types.h"
+#include "core/hle/service/sockets/sockets.h"
+#include "core/network/network.h"
+
+namespace Service::Sockets {
+
+/// Translate abstract errno to guest errno
+Errno Translate(Network::Errno value);
+
+/// Translate abstract return value errno pair to guest return value errno pair
+std::pair<s32, Errno> Translate(std::pair<s32, Network::Errno> value);
+
+/// Translate guest domain to abstract domain
+Network::Domain Translate(Domain domain);
+
+/// Translate abstract domain to guest domain
+Domain Translate(Network::Domain domain);
+
+/// Translate guest type to abstract type
+Network::Type Translate(Type type);
+
+/// Translate guest protocol to abstract protocol
+Network::Protocol Translate(Type type, Protocol protocol);
+
+/// Translate abstract poll event flags to guest poll event flags
+u16 TranslatePollEventsToHost(u16 flags);
+
+/// Translate guest poll event flags to abstract poll event flags
+u16 TranslatePollEventsToGuest(u16 flags);
+
+/// Translate guest socket address structure to abstract socket address structure
+Network::SockAddrIn Translate(SockAddrIn value);
+
+/// Translate abstract socket address structure to guest socket address structure
+SockAddrIn Translate(Network::SockAddrIn value);
+
+/// Translate guest shutdown mode to abstract shutdown mode
+Network::ShutdownHow Translate(ShutdownHow how);
+
+} // namespace Service::Sockets
diff --git a/src/core/hle/service/time/time.cpp b/src/core/hle/service/time/time.cpp
index 13e4b3818..ee4fa4b48 100644
--- a/src/core/hle/service/time/time.cpp
+++ b/src/core/hle/service/time/time.cpp
@@ -290,7 +290,7 @@ void Module::Interface::GetClockSnapshot(Kernel::HLERequestContext& ctx) {
 
     IPC::ResponseBuilder rb{ctx, 2};
     rb.Push(RESULT_SUCCESS);
-    ctx.WriteBuffer(&clock_snapshot, sizeof(Clock::ClockSnapshot));
+    ctx.WriteBuffer(clock_snapshot);
 }
 
 void Module::Interface::GetClockSnapshotFromSystemClockContext(Kernel::HLERequestContext& ctx) {
@@ -313,7 +313,7 @@ void Module::Interface::GetClockSnapshotFromSystemClockContext(Kernel::HLEReques
 
     IPC::ResponseBuilder rb{ctx, 2};
     rb.Push(RESULT_SUCCESS);
-    ctx.WriteBuffer(&clock_snapshot, sizeof(Clock::ClockSnapshot));
+    ctx.WriteBuffer(clock_snapshot);
 }
 
 void Module::Interface::CalculateStandardUserSystemClockDifferenceByUser(
diff --git a/src/core/hle/service/time/time_zone_content_manager.cpp b/src/core/hle/service/time/time_zone_content_manager.cpp
index c070d6e97..320672add 100644
--- a/src/core/hle/service/time/time_zone_content_manager.cpp
+++ b/src/core/hle/service/time/time_zone_content_manager.cpp
@@ -73,10 +73,8 @@ TimeZoneContentManager::TimeZoneContentManager(TimeManager& time_manager, Core::
 
     std::string location_name;
     const auto timezone_setting = Settings::GetTimeZoneString();
-    if (timezone_setting == "auto") {
+    if (timezone_setting == "auto" || timezone_setting == "default") {
         location_name = Common::TimeZone::GetDefaultTimeZone();
-    } else if (timezone_setting == "default") {
-        location_name = location_name;
     } else {
         location_name = timezone_setting;
     }
diff --git a/src/core/hle/service/time/time_zone_service.cpp b/src/core/hle/service/time/time_zone_service.cpp
index db57ae069..ff3a10b3e 100644
--- a/src/core/hle/service/time/time_zone_service.cpp
+++ b/src/core/hle/service/time/time_zone_service.cpp
@@ -142,7 +142,7 @@ void ITimeZoneService::ToPosixTime(Kernel::HLERequestContext& ctx) {
     IPC::ResponseBuilder rb{ctx, 3};
     rb.Push(RESULT_SUCCESS);
     rb.PushRaw<u32>(1); // Number of times we're returning
-    ctx.WriteBuffer(&posix_time, sizeof(s64));
+    ctx.WriteBuffer(posix_time);
 }
 
 void ITimeZoneService::ToPosixTimeWithMyRule(Kernel::HLERequestContext& ctx) {
@@ -164,7 +164,7 @@ void ITimeZoneService::ToPosixTimeWithMyRule(Kernel::HLERequestContext& ctx) {
     IPC::ResponseBuilder rb{ctx, 3};
     rb.Push(RESULT_SUCCESS);
     rb.PushRaw<u32>(1); // Number of times we're returning
-    ctx.WriteBuffer(&posix_time, sizeof(s64));
+    ctx.WriteBuffer(posix_time);
 }
 
 } // namespace Service::Time
diff --git a/src/core/hle/service/vi/vi.cpp b/src/core/hle/service/vi/vi.cpp
index ea7b4ae13..480d34725 100644
--- a/src/core/hle/service/vi/vi.cpp
+++ b/src/core/hle/service/vi/vi.cpp
@@ -511,7 +511,7 @@ private:
         LOG_DEBUG(Service_VI, "called. id=0x{:08X} transaction={:X}, flags=0x{:08X}", id,
                   static_cast<u32>(transaction), flags);
 
-        nv_flinger->Lock();
+        const auto guard = nv_flinger->Lock();
         auto& buffer_queue = nv_flinger->FindBufferQueue(id);
 
         switch (transaction) {
@@ -548,10 +548,10 @@ private:
                 // Wait the current thread until a buffer becomes available
                 ctx.SleepClientThread(
                     "IHOSBinderDriver::DequeueBuffer", UINT64_MAX,
-                    [=](std::shared_ptr<Kernel::Thread> thread, Kernel::HLERequestContext& ctx,
-                        Kernel::ThreadWakeupReason reason) {
+                    [=, this](std::shared_ptr<Kernel::Thread> thread,
+                              Kernel::HLERequestContext& ctx, Kernel::ThreadWakeupReason reason) {
                         // Repeat TransactParcel DequeueBuffer when a buffer is available
-                        nv_flinger->Lock();
+                        const auto guard = nv_flinger->Lock();
                         auto& buffer_queue = nv_flinger->FindBufferQueue(id);
                         auto result = buffer_queue.DequeueBuffer(width, height);
                         ASSERT_MSG(result != std::nullopt, "Could not dequeue buffer.");
@@ -1199,6 +1199,23 @@ private:
         }
     }
 
+    void GetIndirectLayerImageRequiredMemoryInfo(Kernel::HLERequestContext& ctx) {
+        IPC::RequestParser rp{ctx};
+        const auto width = rp.Pop<u64>();
+        const auto height = rp.Pop<u64>();
+        LOG_DEBUG(Service_VI, "called width={}, height={}", width, height);
+
+        constexpr std::size_t base_size = 0x20000;
+        constexpr std::size_t alignment = 0x1000;
+        const auto texture_size = width * height * 4;
+        const auto out_size = (texture_size + base_size - 1) / base_size * base_size;
+
+        IPC::ResponseBuilder rb{ctx, 6};
+        rb.Push(RESULT_SUCCESS);
+        rb.Push(out_size);
+        rb.Push(alignment);
+    }
+
     static ResultVal<ConvertedScaleMode> ConvertScalingModeImpl(NintendoScaleMode mode) {
         switch (mode) {
         case NintendoScaleMode::None:
@@ -1243,7 +1260,8 @@ IApplicationDisplayService::IApplicationDisplayService(
         {2102, &IApplicationDisplayService::ConvertScalingMode, "ConvertScalingMode"},
         {2450, nullptr, "GetIndirectLayerImageMap"},
         {2451, nullptr, "GetIndirectLayerImageCropMap"},
-        {2460, nullptr, "GetIndirectLayerImageRequiredMemoryInfo"},
+        {2460, &IApplicationDisplayService::GetIndirectLayerImageRequiredMemoryInfo,
+         "GetIndirectLayerImageRequiredMemoryInfo"},
         {5202, &IApplicationDisplayService::GetDisplayVsyncEvent, "GetDisplayVsyncEvent"},
         {5203, nullptr, "GetDisplayVsyncEventForDebug"},
     };
diff --git a/src/core/loader/deconstructed_rom_directory.cpp b/src/core/loader/deconstructed_rom_directory.cpp
index 134e83412..394a1bf26 100644
--- a/src/core/loader/deconstructed_rom_directory.cpp
+++ b/src/core/loader/deconstructed_rom_directory.cpp
@@ -89,7 +89,7 @@ FileType AppLoader_DeconstructedRomDirectory::IdentifyType(const FileSys::Virtua
 }
 
 AppLoader_DeconstructedRomDirectory::LoadResult AppLoader_DeconstructedRomDirectory::Load(
-    Kernel::Process& process) {
+    Kernel::Process& process, Core::System& system) {
     if (is_loaded) {
         return {ResultStatus::ErrorAlreadyLoaded, {}};
     }
@@ -141,9 +141,9 @@ AppLoader_DeconstructedRomDirectory::LoadResult AppLoader_DeconstructedRomDirect
             continue;
         }
 
-        const bool should_pass_arguments{std::strcmp(module, "rtld") == 0};
-        const auto tentative_next_load_addr{AppLoader_NSO::LoadModule(
-            process, *module_file, code_size, should_pass_arguments, false)};
+        const bool should_pass_arguments = std::strcmp(module, "rtld") == 0;
+        const auto tentative_next_load_addr = AppLoader_NSO::LoadModule(
+            process, system, *module_file, code_size, should_pass_arguments, false);
         if (!tentative_next_load_addr) {
             return {ResultStatus::ErrorLoadingNSO, {}};
         }
@@ -168,9 +168,9 @@ AppLoader_DeconstructedRomDirectory::LoadResult AppLoader_DeconstructedRomDirect
         }
 
         const VAddr load_addr{next_load_addr};
-        const bool should_pass_arguments{std::strcmp(module, "rtld") == 0};
-        const auto tentative_next_load_addr{AppLoader_NSO::LoadModule(
-            process, *module_file, load_addr, should_pass_arguments, true, pm)};
+        const bool should_pass_arguments = std::strcmp(module, "rtld") == 0;
+        const auto tentative_next_load_addr = AppLoader_NSO::LoadModule(
+            process, system, *module_file, load_addr, should_pass_arguments, true, pm);
         if (!tentative_next_load_addr) {
             return {ResultStatus::ErrorLoadingNSO, {}};
         }
@@ -192,8 +192,8 @@ AppLoader_DeconstructedRomDirectory::LoadResult AppLoader_DeconstructedRomDirect
     // Register the RomFS if a ".romfs" file was found
     if (romfs_iter != files.end() && *romfs_iter != nullptr) {
         romfs = *romfs_iter;
-        Core::System::GetInstance().GetFileSystemController().RegisterRomFS(
-            std::make_unique<FileSys::RomFSFactory>(*this));
+        system.GetFileSystemController().RegisterRomFS(std::make_unique<FileSys::RomFSFactory>(
+            *this, system.GetContentProvider(), system.GetFileSystemController()));
     }
 
     is_loaded = true;
diff --git a/src/core/loader/deconstructed_rom_directory.h b/src/core/loader/deconstructed_rom_directory.h
index 1c0a354a4..35d340317 100644
--- a/src/core/loader/deconstructed_rom_directory.h
+++ b/src/core/loader/deconstructed_rom_directory.h
@@ -9,6 +9,10 @@
 #include "core/file_sys/program_metadata.h"
 #include "core/loader/loader.h"
 
+namespace Core {
+class System;
+}
+
 namespace Loader {
 
 /**
@@ -37,7 +41,7 @@ public:
         return IdentifyType(file);
     }
 
-    LoadResult Load(Kernel::Process& process) override;
+    LoadResult Load(Kernel::Process& process, Core::System& system) override;
 
     ResultStatus ReadRomFS(FileSys::VirtualFile& dir) override;
     ResultStatus ReadIcon(std::vector<u8>& buffer) override;
diff --git a/src/core/loader/elf.cpp b/src/core/loader/elf.cpp
index 8f7615115..dca1fcb18 100644
--- a/src/core/loader/elf.cpp
+++ b/src/core/loader/elf.cpp
@@ -383,7 +383,8 @@ FileType AppLoader_ELF::IdentifyType(const FileSys::VirtualFile& file) {
     return FileType::Error;
 }
 
-AppLoader_ELF::LoadResult AppLoader_ELF::Load(Kernel::Process& process) {
+AppLoader_ELF::LoadResult AppLoader_ELF::Load(Kernel::Process& process,
+                                              [[maybe_unused]] Core::System& system) {
     if (is_loaded) {
         return {ResultStatus::ErrorAlreadyLoaded, {}};
     }
diff --git a/src/core/loader/elf.h b/src/core/loader/elf.h
index 7ef7770a6..3527933ad 100644
--- a/src/core/loader/elf.h
+++ b/src/core/loader/elf.h
@@ -8,6 +8,10 @@
 #include "common/common_types.h"
 #include "core/loader/loader.h"
 
+namespace Core {
+class System;
+}
+
 namespace Loader {
 
 /// Loads an ELF/AXF file
@@ -26,7 +30,7 @@ public:
         return IdentifyType(file);
     }
 
-    LoadResult Load(Kernel::Process& process) override;
+    LoadResult Load(Kernel::Process& process, Core::System& system) override;
 };
 
 } // namespace Loader
diff --git a/src/core/loader/kip.cpp b/src/core/loader/kip.cpp
index 40fa03ad1..5981bcd21 100644
--- a/src/core/loader/kip.cpp
+++ b/src/core/loader/kip.cpp
@@ -43,7 +43,8 @@ FileType AppLoader_KIP::GetFileType() const {
                                                                          : FileType::Error;
 }
 
-AppLoader::LoadResult AppLoader_KIP::Load(Kernel::Process& process) {
+AppLoader::LoadResult AppLoader_KIP::Load(Kernel::Process& process,
+                                          [[maybe_unused]] Core::System& system) {
     if (is_loaded) {
         return {ResultStatus::ErrorAlreadyLoaded, {}};
     }
diff --git a/src/core/loader/kip.h b/src/core/loader/kip.h
index 12ca40269..dee05a7b5 100644
--- a/src/core/loader/kip.h
+++ b/src/core/loader/kip.h
@@ -6,6 +6,10 @@
 
 #include "core/loader/loader.h"
 
+namespace Core {
+class System;
+}
+
 namespace FileSys {
 class KIP;
 }
@@ -26,7 +30,7 @@ public:
 
     FileType GetFileType() const override;
 
-    LoadResult Load(Kernel::Process& process) override;
+    LoadResult Load(Kernel::Process& process, Core::System& system) override;
 
 private:
     std::unique_ptr<FileSys::KIP> kip;
diff --git a/src/core/loader/loader.cpp b/src/core/loader/loader.cpp
index 59ca7091a..9bc3a8840 100644
--- a/src/core/loader/loader.cpp
+++ b/src/core/loader/loader.cpp
@@ -3,8 +3,10 @@
 // Refer to the license.txt file included.
 
 #include <memory>
+#include <optional>
 #include <ostream>
 #include <string>
+#include "common/concepts.h"
 #include "common/file_util.h"
 #include "common/logging/log.h"
 #include "common/string_util.h"
@@ -21,27 +23,41 @@
 
 namespace Loader {
 
-FileType IdentifyFile(FileSys::VirtualFile file) {
-    FileType type;
-
-#define CHECK_TYPE(loader)                                                                         \
-    type = AppLoader_##loader::IdentifyType(file);                                                 \
-    if (FileType::Error != type)                                                                   \
-        return type;
+namespace {
 
-    CHECK_TYPE(DeconstructedRomDirectory)
-    CHECK_TYPE(ELF)
-    CHECK_TYPE(NSO)
-    CHECK_TYPE(NRO)
-    CHECK_TYPE(NCA)
-    CHECK_TYPE(XCI)
-    CHECK_TYPE(NAX)
-    CHECK_TYPE(NSP)
-    CHECK_TYPE(KIP)
+template <Common::DerivedFrom<AppLoader> T>
+std::optional<FileType> IdentifyFileLoader(FileSys::VirtualFile file) {
+    const auto file_type = T::IdentifyType(file);
+    if (file_type != FileType::Error) {
+        return file_type;
+    }
+    return std::nullopt;
+}
 
-#undef CHECK_TYPE
+} // namespace
 
-    return FileType::Unknown;
+FileType IdentifyFile(FileSys::VirtualFile file) {
+    if (const auto romdir_type = IdentifyFileLoader<AppLoader_DeconstructedRomDirectory>(file)) {
+        return *romdir_type;
+    } else if (const auto elf_type = IdentifyFileLoader<AppLoader_ELF>(file)) {
+        return *elf_type;
+    } else if (const auto nso_type = IdentifyFileLoader<AppLoader_NSO>(file)) {
+        return *nso_type;
+    } else if (const auto nro_type = IdentifyFileLoader<AppLoader_NRO>(file)) {
+        return *nro_type;
+    } else if (const auto nca_type = IdentifyFileLoader<AppLoader_NCA>(file)) {
+        return *nca_type;
+    } else if (const auto xci_type = IdentifyFileLoader<AppLoader_XCI>(file)) {
+        return *xci_type;
+    } else if (const auto nax_type = IdentifyFileLoader<AppLoader_NAX>(file)) {
+        return *nax_type;
+    } else if (const auto nsp_type = IdentifyFileLoader<AppLoader_NSP>(file)) {
+        return *nsp_type;
+    } else if (const auto kip_type = IdentifyFileLoader<AppLoader_KIP>(file)) {
+        return *kip_type;
+    } else {
+        return FileType::Unknown;
+    }
 }
 
 FileType GuessFromFilename(const std::string& name) {
@@ -51,7 +67,7 @@ FileType GuessFromFilename(const std::string& name) {
         return FileType::NCA;
 
     const std::string extension =
-        Common::ToLower(std::string(FileUtil::GetExtensionFromFilename(name)));
+        Common::ToLower(std::string(Common::FS::GetExtensionFromFilename(name)));
 
     if (extension == "elf")
         return FileType::ELF;
diff --git a/src/core/loader/loader.h b/src/core/loader/loader.h
index 227ecc704..ac60b097a 100644
--- a/src/core/loader/loader.h
+++ b/src/core/loader/loader.h
@@ -15,6 +15,10 @@
 #include "core/file_sys/control_metadata.h"
 #include "core/file_sys/vfs.h"
 
+namespace Core {
+class System;
+}
+
 namespace FileSys {
 class NACP;
 } // namespace FileSys
@@ -154,9 +158,10 @@ public:
     /**
      * Load the application and return the created Process instance
      * @param process The newly created process.
+     * @param system  The system that this process is being loaded under.
      * @return The status result of the operation.
      */
-    virtual LoadResult Load(Kernel::Process& process) = 0;
+    virtual LoadResult Load(Kernel::Process& process, Core::System& system) = 0;
 
     /**
      * Get the code (typically .code section) of the application
diff --git a/src/core/loader/nax.cpp b/src/core/loader/nax.cpp
index a152981a0..49028177b 100644
--- a/src/core/loader/nax.cpp
+++ b/src/core/loader/nax.cpp
@@ -41,7 +41,8 @@ FileType AppLoader_NAX::GetFileType() const {
     return IdentifyTypeImpl(*nax);
 }
 
-AppLoader_NAX::LoadResult AppLoader_NAX::Load(Kernel::Process& process) {
+AppLoader_NAX::LoadResult AppLoader_NAX::Load(Kernel::Process& process,
+                                              [[maybe_unused]] Core::System& system) {
     if (is_loaded) {
         return {ResultStatus::ErrorAlreadyLoaded, {}};
     }
@@ -65,7 +66,7 @@ AppLoader_NAX::LoadResult AppLoader_NAX::Load(Kernel::Process& process) {
         return {nca_status, {}};
     }
 
-    const auto result = nca_loader->Load(process);
+    const auto result = nca_loader->Load(process, system);
     if (result.first != ResultStatus::Success) {
         return result;
     }
diff --git a/src/core/loader/nax.h b/src/core/loader/nax.h
index eaec9bf58..c2b7722b5 100644
--- a/src/core/loader/nax.h
+++ b/src/core/loader/nax.h
@@ -8,10 +8,12 @@
 #include "common/common_types.h"
 #include "core/loader/loader.h"
 
-namespace FileSys {
+namespace Core {
+class System;
+}
 
+namespace FileSys {
 class NAX;
-
 } // namespace FileSys
 
 namespace Loader {
@@ -33,7 +35,7 @@ public:
 
     FileType GetFileType() const override;
 
-    LoadResult Load(Kernel::Process& process) override;
+    LoadResult Load(Kernel::Process& process, Core::System& system) override;
 
     ResultStatus ReadRomFS(FileSys::VirtualFile& dir) override;
     u64 ReadRomFSIVFCOffset() const override;
diff --git a/src/core/loader/nca.cpp b/src/core/loader/nca.cpp
index 5a0469978..fa694de37 100644
--- a/src/core/loader/nca.cpp
+++ b/src/core/loader/nca.cpp
@@ -31,7 +31,7 @@ FileType AppLoader_NCA::IdentifyType(const FileSys::VirtualFile& file) {
     return FileType::Error;
 }
 
-AppLoader_NCA::LoadResult AppLoader_NCA::Load(Kernel::Process& process) {
+AppLoader_NCA::LoadResult AppLoader_NCA::Load(Kernel::Process& process, Core::System& system) {
     if (is_loaded) {
         return {ResultStatus::ErrorAlreadyLoaded, {}};
     }
@@ -52,14 +52,14 @@ AppLoader_NCA::LoadResult AppLoader_NCA::Load(Kernel::Process& process) {
 
     directory_loader = std::make_unique<AppLoader_DeconstructedRomDirectory>(exefs, true);
 
-    const auto load_result = directory_loader->Load(process);
+    const auto load_result = directory_loader->Load(process, system);
     if (load_result.first != ResultStatus::Success) {
         return load_result;
     }
 
     if (nca->GetRomFS() != nullptr && nca->GetRomFS()->GetSize() > 0) {
-        Core::System::GetInstance().GetFileSystemController().RegisterRomFS(
-            std::make_unique<FileSys::RomFSFactory>(*this));
+        system.GetFileSystemController().RegisterRomFS(std::make_unique<FileSys::RomFSFactory>(
+            *this, system.GetContentProvider(), system.GetFileSystemController()));
     }
 
     is_loaded = true;
diff --git a/src/core/loader/nca.h b/src/core/loader/nca.h
index e47dc0e47..711070294 100644
--- a/src/core/loader/nca.h
+++ b/src/core/loader/nca.h
@@ -8,6 +8,10 @@
 #include "core/file_sys/vfs.h"
 #include "core/loader/loader.h"
 
+namespace Core {
+class System;
+}
+
 namespace FileSys {
 class NCA;
 }
@@ -33,7 +37,7 @@ public:
         return IdentifyType(file);
     }
 
-    LoadResult Load(Kernel::Process& process) override;
+    LoadResult Load(Kernel::Process& process, Core::System& system) override;
 
     ResultStatus ReadRomFS(FileSys::VirtualFile& dir) override;
     u64 ReadRomFSIVFCOffset() const override;
diff --git a/src/core/loader/nro.cpp b/src/core/loader/nro.cpp
index 906544bc9..9fb5eddad 100644
--- a/src/core/loader/nro.cpp
+++ b/src/core/loader/nro.cpp
@@ -208,7 +208,7 @@ bool AppLoader_NRO::LoadNro(Kernel::Process& process, const FileSys::VfsFile& fi
     return LoadNroImpl(process, file.ReadAllBytes(), file.GetName());
 }
 
-AppLoader_NRO::LoadResult AppLoader_NRO::Load(Kernel::Process& process) {
+AppLoader_NRO::LoadResult AppLoader_NRO::Load(Kernel::Process& process, Core::System& system) {
     if (is_loaded) {
         return {ResultStatus::ErrorAlreadyLoaded, {}};
     }
@@ -218,8 +218,8 @@ AppLoader_NRO::LoadResult AppLoader_NRO::Load(Kernel::Process& process) {
     }
 
     if (romfs != nullptr) {
-        Core::System::GetInstance().GetFileSystemController().RegisterRomFS(
-            std::make_unique<FileSys::RomFSFactory>(*this));
+        system.GetFileSystemController().RegisterRomFS(std::make_unique<FileSys::RomFSFactory>(
+            *this, system.GetContentProvider(), system.GetFileSystemController()));
     }
 
     is_loaded = true;
diff --git a/src/core/loader/nro.h b/src/core/loader/nro.h
index 4593d48fb..a2aab2ecc 100644
--- a/src/core/loader/nro.h
+++ b/src/core/loader/nro.h
@@ -10,6 +10,10 @@
 #include "common/common_types.h"
 #include "core/loader/loader.h"
 
+namespace Core {
+class System;
+}
+
 namespace FileSys {
 class NACP;
 }
@@ -37,7 +41,7 @@ public:
         return IdentifyType(file);
     }
 
-    LoadResult Load(Kernel::Process& process) override;
+    LoadResult Load(Kernel::Process& process, Core::System& system) override;
 
     ResultStatus ReadIcon(std::vector<u8>& buffer) override;
     ResultStatus ReadProgramId(u64& out_program_id) override;
diff --git a/src/core/loader/nso.cpp b/src/core/loader/nso.cpp
index 575330a86..1e70f6e11 100644
--- a/src/core/loader/nso.cpp
+++ b/src/core/loader/nso.cpp
@@ -71,21 +71,21 @@ FileType AppLoader_NSO::IdentifyType(const FileSys::VirtualFile& file) {
     return FileType::NSO;
 }
 
-std::optional<VAddr> AppLoader_NSO::LoadModule(Kernel::Process& process,
+std::optional<VAddr> AppLoader_NSO::LoadModule(Kernel::Process& process, Core::System& system,
                                                const FileSys::VfsFile& file, VAddr load_base,
                                                bool should_pass_arguments, bool load_into_process,
                                                std::optional<FileSys::PatchManager> pm) {
     if (file.GetSize() < sizeof(NSOHeader)) {
-        return {};
+        return std::nullopt;
     }
 
     NSOHeader nso_header{};
     if (sizeof(NSOHeader) != file.ReadObject(&nso_header)) {
-        return {};
+        return std::nullopt;
     }
 
     if (nso_header.magic != Common::MakeMagic('N', 'S', 'O', '0')) {
-        return {};
+        return std::nullopt;
     }
 
     // Build program image
@@ -148,7 +148,6 @@ std::optional<VAddr> AppLoader_NSO::LoadModule(Kernel::Process& process,
 
     // Apply cheats if they exist and the program has a valid title ID
     if (pm) {
-        auto& system = Core::System::GetInstance();
         system.SetCurrentProcessBuildID(nso_header.build_id);
         const auto cheats = pm->CreateCheatList(system, nso_header.build_id);
         if (!cheats.empty()) {
@@ -166,7 +165,7 @@ std::optional<VAddr> AppLoader_NSO::LoadModule(Kernel::Process& process,
     return load_base + image_size;
 }
 
-AppLoader_NSO::LoadResult AppLoader_NSO::Load(Kernel::Process& process) {
+AppLoader_NSO::LoadResult AppLoader_NSO::Load(Kernel::Process& process, Core::System& system) {
     if (is_loaded) {
         return {ResultStatus::ErrorAlreadyLoaded, {}};
     }
@@ -175,7 +174,7 @@ AppLoader_NSO::LoadResult AppLoader_NSO::Load(Kernel::Process& process) {
 
     // Load module
     const VAddr base_address = process.PageTable().GetCodeRegionStart();
-    if (!LoadModule(process, *file, base_address, true, true)) {
+    if (!LoadModule(process, system, *file, base_address, true, true)) {
         return {ResultStatus::ErrorLoadingNSO, {}};
     }
 
diff --git a/src/core/loader/nso.h b/src/core/loader/nso.h
index b210830f0..4bd47787d 100644
--- a/src/core/loader/nso.h
+++ b/src/core/loader/nso.h
@@ -12,6 +12,10 @@
 #include "core/file_sys/patch_manager.h"
 #include "core/loader/loader.h"
 
+namespace Core {
+class System;
+}
+
 namespace Kernel {
 class Process;
 }
@@ -80,12 +84,12 @@ public:
         return IdentifyType(file);
     }
 
-    static std::optional<VAddr> LoadModule(Kernel::Process& process, const FileSys::VfsFile& file,
-                                           VAddr load_base, bool should_pass_arguments,
-                                           bool load_into_process,
+    static std::optional<VAddr> LoadModule(Kernel::Process& process, Core::System& system,
+                                           const FileSys::VfsFile& file, VAddr load_base,
+                                           bool should_pass_arguments, bool load_into_process,
                                            std::optional<FileSys::PatchManager> pm = {});
 
-    LoadResult Load(Kernel::Process& process) override;
+    LoadResult Load(Kernel::Process& process, Core::System& system) override;
 
     ResultStatus ReadNSOModules(Modules& modules) override;
 
diff --git a/src/core/loader/nsp.cpp b/src/core/loader/nsp.cpp
index 13950fc08..15e528fa8 100644
--- a/src/core/loader/nsp.cpp
+++ b/src/core/loader/nsp.cpp
@@ -71,7 +71,7 @@ FileType AppLoader_NSP::IdentifyType(const FileSys::VirtualFile& file) {
     return FileType::Error;
 }
 
-AppLoader_NSP::LoadResult AppLoader_NSP::Load(Kernel::Process& process) {
+AppLoader_NSP::LoadResult AppLoader_NSP::Load(Kernel::Process& process, Core::System& system) {
     if (is_loaded) {
         return {ResultStatus::ErrorAlreadyLoaded, {}};
     }
@@ -99,15 +99,14 @@ AppLoader_NSP::LoadResult AppLoader_NSP::Load(Kernel::Process& process) {
         return {ResultStatus::ErrorNSPMissingProgramNCA, {}};
     }
 
-    const auto result = secondary_loader->Load(process);
+    const auto result = secondary_loader->Load(process, system);
     if (result.first != ResultStatus::Success) {
         return result;
     }
 
     FileSys::VirtualFile update_raw;
     if (ReadUpdateRaw(update_raw) == ResultStatus::Success && update_raw != nullptr) {
-        Core::System::GetInstance().GetFileSystemController().SetPackedUpdate(
-            std::move(update_raw));
+        system.GetFileSystemController().SetPackedUpdate(std::move(update_raw));
     }
 
     is_loaded = true;
diff --git a/src/core/loader/nsp.h b/src/core/loader/nsp.h
index 868b028d3..b27deb686 100644
--- a/src/core/loader/nsp.h
+++ b/src/core/loader/nsp.h
@@ -9,6 +9,10 @@
 #include "core/file_sys/vfs.h"
 #include "core/loader/loader.h"
 
+namespace Core {
+class System;
+}
+
 namespace FileSys {
 class NACP;
 class NSP;
@@ -35,7 +39,7 @@ public:
         return IdentifyType(file);
     }
 
-    LoadResult Load(Kernel::Process& process) override;
+    LoadResult Load(Kernel::Process& process, Core::System& system) override;
 
     ResultStatus ReadRomFS(FileSys::VirtualFile& file) override;
     u64 ReadRomFSIVFCOffset() const override;
diff --git a/src/core/loader/xci.cpp b/src/core/loader/xci.cpp
index 7186ad1ff..25e83af0f 100644
--- a/src/core/loader/xci.cpp
+++ b/src/core/loader/xci.cpp
@@ -49,7 +49,7 @@ FileType AppLoader_XCI::IdentifyType(const FileSys::VirtualFile& file) {
     return FileType::Error;
 }
 
-AppLoader_XCI::LoadResult AppLoader_XCI::Load(Kernel::Process& process) {
+AppLoader_XCI::LoadResult AppLoader_XCI::Load(Kernel::Process& process, Core::System& system) {
     if (is_loaded) {
         return {ResultStatus::ErrorAlreadyLoaded, {}};
     }
@@ -66,15 +66,14 @@ AppLoader_XCI::LoadResult AppLoader_XCI::Load(Kernel::Process& process) {
         return {ResultStatus::ErrorMissingProductionKeyFile, {}};
     }
 
-    const auto result = nca_loader->Load(process);
+    const auto result = nca_loader->Load(process, system);
     if (result.first != ResultStatus::Success) {
         return result;
     }
 
     FileSys::VirtualFile update_raw;
     if (ReadUpdateRaw(update_raw) == ResultStatus::Success && update_raw != nullptr) {
-        Core::System::GetInstance().GetFileSystemController().SetPackedUpdate(
-            std::move(update_raw));
+        system.GetFileSystemController().SetPackedUpdate(std::move(update_raw));
     }
 
     is_loaded = true;
diff --git a/src/core/loader/xci.h b/src/core/loader/xci.h
index 618ae2f47..04aea286f 100644
--- a/src/core/loader/xci.h
+++ b/src/core/loader/xci.h
@@ -9,6 +9,10 @@
 #include "core/file_sys/vfs.h"
 #include "core/loader/loader.h"
 
+namespace Core {
+class System;
+}
+
 namespace FileSys {
 class NACP;
 class XCI;
@@ -35,7 +39,7 @@ public:
         return IdentifyType(file);
     }
 
-    LoadResult Load(Kernel::Process& process) override;
+    LoadResult Load(Kernel::Process& process, Core::System& system) override;
 
     ResultStatus ReadRomFS(FileSys::VirtualFile& file) override;
     u64 ReadRomFSIVFCOffset() const override;
diff --git a/src/core/memory.cpp b/src/core/memory.cpp
index 2c5588933..c3f4829d7 100644
--- a/src/core/memory.cpp
+++ b/src/core/memory.cpp
@@ -567,7 +567,7 @@ struct Memory::Impl {
      * @param page_table The page table to use to perform the mapping.
      * @param base       The base address to begin mapping at.
      * @param size       The total size of the range in bytes.
-     * @param memory     The memory to map.
+     * @param target     The target address to begin mapping from.
      * @param type       The page type to map the memory as.
      */
     void MapPages(Common::PageTable& page_table, VAddr base, u64 size, PAddr target,
@@ -704,7 +704,7 @@ struct Memory::Impl {
         u8* page_pointer = current_page_table->pointers[vaddr >> PAGE_BITS];
         if (page_pointer != nullptr) {
             // NOTE: Avoid adding any extra logic to this fast-path block
-            T volatile* pointer = reinterpret_cast<T volatile*>(&page_pointer[vaddr]);
+            auto* pointer = reinterpret_cast<volatile T*>(&page_pointer[vaddr]);
             return Common::AtomicCompareAndSwap(pointer, data, expected);
         }
 
@@ -720,9 +720,8 @@ struct Memory::Impl {
         case Common::PageType::RasterizerCachedMemory: {
             u8* host_ptr{GetPointerFromRasterizerCachedMemory(vaddr)};
             system.GPU().InvalidateRegion(vaddr, sizeof(T));
-            T volatile* pointer = reinterpret_cast<T volatile*>(&host_ptr);
+            auto* pointer = reinterpret_cast<volatile T*>(&host_ptr);
             return Common::AtomicCompareAndSwap(pointer, data, expected);
-            break;
         }
         default:
             UNREACHABLE();
@@ -734,7 +733,7 @@ struct Memory::Impl {
         u8* const page_pointer = current_page_table->pointers[vaddr >> PAGE_BITS];
         if (page_pointer != nullptr) {
             // NOTE: Avoid adding any extra logic to this fast-path block
-            u64 volatile* pointer = reinterpret_cast<u64 volatile*>(&page_pointer[vaddr]);
+            auto* pointer = reinterpret_cast<volatile u64*>(&page_pointer[vaddr]);
             return Common::AtomicCompareAndSwap(pointer, data, expected);
         }
 
@@ -750,9 +749,8 @@ struct Memory::Impl {
         case Common::PageType::RasterizerCachedMemory: {
             u8* host_ptr{GetPointerFromRasterizerCachedMemory(vaddr)};
             system.GPU().InvalidateRegion(vaddr, sizeof(u128));
-            u64 volatile* pointer = reinterpret_cast<u64 volatile*>(&host_ptr);
+            auto* pointer = reinterpret_cast<volatile u64*>(&host_ptr);
             return Common::AtomicCompareAndSwap(pointer, data, expected);
-            break;
         }
         default:
             UNREACHABLE();
diff --git a/src/core/memory/cheat_engine.cpp b/src/core/memory/cheat_engine.cpp
index 53d27859b..29284a42d 100644
--- a/src/core/memory/cheat_engine.cpp
+++ b/src/core/memory/cheat_engine.cpp
@@ -19,10 +19,24 @@
 #include "core/memory/cheat_engine.h"
 
 namespace Core::Memory {
-
-constexpr s64 CHEAT_ENGINE_TICKS = static_cast<s64>(1000000000 / 12);
+namespace {
+constexpr auto CHEAT_ENGINE_NS = std::chrono::nanoseconds{1000000000 / 12};
 constexpr u32 KEYPAD_BITMASK = 0x3FFFFFF;
 
+std::string_view ExtractName(std::string_view data, std::size_t start_index, char match) {
+    auto end_index = start_index;
+    while (data[end_index] != match) {
+        ++end_index;
+        if (end_index > data.size() ||
+            (end_index - start_index - 1) > sizeof(CheatDefinition::readable_name)) {
+            return {};
+        }
+    }
+
+    return data.substr(start_index, end_index - start_index);
+}
+} // Anonymous namespace
+
 StandardVmCallbacks::StandardVmCallbacks(Core::System& system, const CheatProcessMetadata& metadata)
     : metadata(metadata), system(system) {}
 
@@ -42,7 +56,7 @@ u64 StandardVmCallbacks::HidKeysDown() {
     if (applet_resource == nullptr) {
         LOG_WARNING(CheatEngine,
                     "Attempted to read input state, but applet resource is not initialized!");
-        return false;
+        return 0;
     }
 
     const auto press_state =
@@ -82,26 +96,9 @@ CheatParser::~CheatParser() = default;
 
 TextCheatParser::~TextCheatParser() = default;
 
-namespace {
-template <char match>
-std::string_view ExtractName(std::string_view data, std::size_t start_index) {
-    auto end_index = start_index;
-    while (data[end_index] != match) {
-        ++end_index;
-        if (end_index > data.size() ||
-            (end_index - start_index - 1) > sizeof(CheatDefinition::readable_name)) {
-            return {};
-        }
-    }
-
-    return data.substr(start_index, end_index - start_index);
-}
-} // Anonymous namespace
-
-std::vector<CheatEntry> TextCheatParser::Parse(const Core::System& system,
-                                               std::string_view data) const {
+std::vector<CheatEntry> TextCheatParser::Parse(std::string_view data) const {
     std::vector<CheatEntry> out(1);
-    std::optional<u64> current_entry = std::nullopt;
+    std::optional<u64> current_entry;
 
     for (std::size_t i = 0; i < data.size(); ++i) {
         if (::isspace(data[i])) {
@@ -115,7 +112,7 @@ std::vector<CheatEntry> TextCheatParser::Parse(const Core::System& system,
                 return {};
             }
 
-            const auto name = ExtractName<'}'>(data, i + 1);
+            const auto name = ExtractName(data, i + 1, '}');
             if (name.empty()) {
                 return {};
             }
@@ -132,7 +129,7 @@ std::vector<CheatEntry> TextCheatParser::Parse(const Core::System& system,
             current_entry = out.size();
             out.emplace_back();
 
-            const auto name = ExtractName<']'>(data, i + 1);
+            const auto name = ExtractName(data, i + 1, ']');
             if (name.empty()) {
                 return {};
             }
@@ -190,24 +187,38 @@ CheatEngine::~CheatEngine() {
 void CheatEngine::Initialize() {
     event = Core::Timing::CreateEvent(
         "CheatEngine::FrameCallback::" + Common::HexToString(metadata.main_nso_build_id),
-        [this](u64 userdata, s64 ns_late) { FrameCallback(userdata, ns_late); });
-    core_timing.ScheduleEvent(CHEAT_ENGINE_TICKS, event);
+        [this](std::uintptr_t user_data, std::chrono::nanoseconds ns_late) {
+            FrameCallback(user_data, ns_late);
+        });
+    core_timing.ScheduleEvent(CHEAT_ENGINE_NS, event);
 
     metadata.process_id = system.CurrentProcess()->GetProcessID();
     metadata.title_id = system.CurrentProcess()->GetTitleID();
 
     const auto& page_table = system.CurrentProcess()->PageTable();
-    metadata.heap_extents = {page_table.GetHeapRegionStart(), page_table.GetHeapRegionSize()};
-    metadata.address_space_extents = {page_table.GetAddressSpaceStart(),
-                                      page_table.GetAddressSpaceSize()};
-    metadata.alias_extents = {page_table.GetAliasCodeRegionStart(),
-                              page_table.GetAliasCodeRegionSize()};
+    metadata.heap_extents = {
+        .base = page_table.GetHeapRegionStart(),
+        .size = page_table.GetHeapRegionSize(),
+    };
+
+    metadata.address_space_extents = {
+        .base = page_table.GetAddressSpaceStart(),
+        .size = page_table.GetAddressSpaceSize(),
+    };
+
+    metadata.alias_extents = {
+        .base = page_table.GetAliasCodeRegionStart(),
+        .size = page_table.GetAliasCodeRegionSize(),
+    };
 
     is_pending_reload.exchange(true);
 }
 
 void CheatEngine::SetMainMemoryParameters(VAddr main_region_begin, u64 main_region_size) {
-    metadata.main_nso_extents = {main_region_begin, main_region_size};
+    metadata.main_nso_extents = {
+        .base = main_region_begin,
+        .size = main_region_size,
+    };
 }
 
 void CheatEngine::Reload(std::vector<CheatEntry> cheats) {
@@ -217,7 +228,7 @@ void CheatEngine::Reload(std::vector<CheatEntry> cheats) {
 
 MICROPROFILE_DEFINE(Cheat_Engine, "Add-Ons", "Cheat Engine", MP_RGB(70, 200, 70));
 
-void CheatEngine::FrameCallback(u64 userdata, s64 ns_late) {
+void CheatEngine::FrameCallback(std::uintptr_t, std::chrono::nanoseconds ns_late) {
     if (is_pending_reload.exchange(false)) {
         vm.LoadProgram(cheats);
     }
@@ -230,7 +241,7 @@ void CheatEngine::FrameCallback(u64 userdata, s64 ns_late) {
 
     vm.Execute(metadata);
 
-    core_timing.ScheduleEvent(CHEAT_ENGINE_TICKS - ns_late, event);
+    core_timing.ScheduleEvent(CHEAT_ENGINE_NS - ns_late, event);
 }
 
 } // namespace Core::Memory
diff --git a/src/core/memory/cheat_engine.h b/src/core/memory/cheat_engine.h
index 2649423f8..a31002346 100644
--- a/src/core/memory/cheat_engine.h
+++ b/src/core/memory/cheat_engine.h
@@ -5,6 +5,7 @@
 #pragma once
 
 #include <atomic>
+#include <chrono>
 #include <memory>
 #include <vector>
 #include "common/common_types.h"
@@ -46,8 +47,7 @@ class CheatParser {
 public:
     virtual ~CheatParser();
 
-    virtual std::vector<CheatEntry> Parse(const Core::System& system,
-                                          std::string_view data) const = 0;
+    [[nodiscard]] virtual std::vector<CheatEntry> Parse(std::string_view data) const = 0;
 };
 
 // CheatParser implementation that parses text files
@@ -55,7 +55,7 @@ class TextCheatParser final : public CheatParser {
 public:
     ~TextCheatParser() override;
 
-    std::vector<CheatEntry> Parse(const Core::System& system, std::string_view data) const override;
+    [[nodiscard]] std::vector<CheatEntry> Parse(std::string_view data) const override;
 };
 
 // Class that encapsulates a CheatList and manages its interaction with memory and CoreTiming
@@ -71,7 +71,7 @@ public:
     void Reload(std::vector<CheatEntry> cheats);
 
 private:
-    void FrameCallback(u64 userdata, s64 cycles_late);
+    void FrameCallback(std::uintptr_t user_data, std::chrono::nanoseconds ns_late);
 
     DmntCheatVm vm;
     CheatProcessMetadata metadata;
diff --git a/src/core/memory/dmnt_cheat_vm.cpp b/src/core/memory/dmnt_cheat_vm.cpp
index 2e7da23fe..48be80c12 100644
--- a/src/core/memory/dmnt_cheat_vm.cpp
+++ b/src/core/memory/dmnt_cheat_vm.cpp
@@ -313,30 +313,32 @@ bool DmntCheatVm::DecodeNextOpcode(CheatVmOpcode& out) {
 
     switch (opcode_type) {
     case CheatVmOpcodeType::StoreStatic: {
-        StoreStaticOpcode store_static{};
         // 0TMR00AA AAAAAAAA YYYYYYYY (YYYYYYYY)
         // Read additional words.
         const u32 second_dword = GetNextDword();
-        store_static.bit_width = (first_dword >> 24) & 0xF;
-        store_static.mem_type = static_cast<MemoryAccessType>((first_dword >> 20) & 0xF);
-        store_static.offset_register = ((first_dword >> 16) & 0xF);
-        store_static.rel_address =
-            (static_cast<u64>(first_dword & 0xFF) << 32ul) | static_cast<u64>(second_dword);
-        store_static.value = GetNextVmInt(store_static.bit_width);
-        opcode.opcode = store_static;
+        const u32 bit_width = (first_dword >> 24) & 0xF;
+
+        opcode.opcode = StoreStaticOpcode{
+            .bit_width = bit_width,
+            .mem_type = static_cast<MemoryAccessType>((first_dword >> 20) & 0xF),
+            .offset_register = (first_dword >> 16) & 0xF,
+            .rel_address = (static_cast<u64>(first_dword & 0xFF) << 32) | second_dword,
+            .value = GetNextVmInt(bit_width),
+        };
     } break;
     case CheatVmOpcodeType::BeginConditionalBlock: {
-        BeginConditionalOpcode begin_cond{};
         // 1TMC00AA AAAAAAAA YYYYYYYY (YYYYYYYY)
         // Read additional words.
         const u32 second_dword = GetNextDword();
-        begin_cond.bit_width = (first_dword >> 24) & 0xF;
-        begin_cond.mem_type = static_cast<MemoryAccessType>((first_dword >> 20) & 0xF);
-        begin_cond.cond_type = static_cast<ConditionalComparisonType>((first_dword >> 16) & 0xF);
-        begin_cond.rel_address =
-            (static_cast<u64>(first_dword & 0xFF) << 32ul) | static_cast<u64>(second_dword);
-        begin_cond.value = GetNextVmInt(begin_cond.bit_width);
-        opcode.opcode = begin_cond;
+        const u32 bit_width = (first_dword >> 24) & 0xF;
+
+        opcode.opcode = BeginConditionalOpcode{
+            .bit_width = bit_width,
+            .mem_type = static_cast<MemoryAccessType>((first_dword >> 20) & 0xF),
+            .cond_type = static_cast<ConditionalComparisonType>((first_dword >> 16) & 0xF),
+            .rel_address = (static_cast<u64>(first_dword & 0xFF) << 32) | second_dword,
+            .value = GetNextVmInt(bit_width),
+        };
     } break;
     case CheatVmOpcodeType::EndConditionalBlock: {
         // 20000000
@@ -344,12 +346,14 @@ bool DmntCheatVm::DecodeNextOpcode(CheatVmOpcode& out) {
         opcode.opcode = EndConditionalOpcode{};
     } break;
     case CheatVmOpcodeType::ControlLoop: {
-        ControlLoopOpcode ctrl_loop{};
         // 300R0000 VVVVVVVV
         // 310R0000
         // Parse register, whether loop start or loop end.
-        ctrl_loop.start_loop = ((first_dword >> 24) & 0xF) == 0;
-        ctrl_loop.reg_index = ((first_dword >> 20) & 0xF);
+        ControlLoopOpcode ctrl_loop{
+            .start_loop = ((first_dword >> 24) & 0xF) == 0,
+            .reg_index = (first_dword >> 20) & 0xF,
+            .num_iters = 0,
+        };
 
         // Read number of iters if loop start.
         if (ctrl_loop.start_loop) {
@@ -358,66 +362,65 @@ bool DmntCheatVm::DecodeNextOpcode(CheatVmOpcode& out) {
         opcode.opcode = ctrl_loop;
     } break;
     case CheatVmOpcodeType::LoadRegisterStatic: {
-        LoadRegisterStaticOpcode ldr_static{};
         // 400R0000 VVVVVVVV VVVVVVVV
         // Read additional words.
-        ldr_static.reg_index = ((first_dword >> 16) & 0xF);
-        ldr_static.value =
-            (static_cast<u64>(GetNextDword()) << 32ul) | static_cast<u64>(GetNextDword());
-        opcode.opcode = ldr_static;
+        opcode.opcode = LoadRegisterStaticOpcode{
+            .reg_index = (first_dword >> 16) & 0xF,
+            .value = (static_cast<u64>(GetNextDword()) << 32) | GetNextDword(),
+        };
     } break;
     case CheatVmOpcodeType::LoadRegisterMemory: {
-        LoadRegisterMemoryOpcode ldr_memory{};
         // 5TMRI0AA AAAAAAAA
         // Read additional words.
         const u32 second_dword = GetNextDword();
-        ldr_memory.bit_width = (first_dword >> 24) & 0xF;
-        ldr_memory.mem_type = static_cast<MemoryAccessType>((first_dword >> 20) & 0xF);
-        ldr_memory.reg_index = ((first_dword >> 16) & 0xF);
-        ldr_memory.load_from_reg = ((first_dword >> 12) & 0xF) != 0;
-        ldr_memory.rel_address =
-            (static_cast<u64>(first_dword & 0xFF) << 32ul) | static_cast<u64>(second_dword);
-        opcode.opcode = ldr_memory;
+        opcode.opcode = LoadRegisterMemoryOpcode{
+            .bit_width = (first_dword >> 24) & 0xF,
+            .mem_type = static_cast<MemoryAccessType>((first_dword >> 20) & 0xF),
+            .reg_index = ((first_dword >> 16) & 0xF),
+            .load_from_reg = ((first_dword >> 12) & 0xF) != 0,
+            .rel_address = (static_cast<u64>(first_dword & 0xFF) << 32) | second_dword,
+        };
     } break;
     case CheatVmOpcodeType::StoreStaticToAddress: {
-        StoreStaticToAddressOpcode str_static{};
         // 6T0RIor0 VVVVVVVV VVVVVVVV
         // Read additional words.
-        str_static.bit_width = (first_dword >> 24) & 0xF;
-        str_static.reg_index = ((first_dword >> 16) & 0xF);
-        str_static.increment_reg = ((first_dword >> 12) & 0xF) != 0;
-        str_static.add_offset_reg = ((first_dword >> 8) & 0xF) != 0;
-        str_static.offset_reg_index = ((first_dword >> 4) & 0xF);
-        str_static.value =
-            (static_cast<u64>(GetNextDword()) << 32ul) | static_cast<u64>(GetNextDword());
-        opcode.opcode = str_static;
+        opcode.opcode = StoreStaticToAddressOpcode{
+            .bit_width = (first_dword >> 24) & 0xF,
+            .reg_index = (first_dword >> 16) & 0xF,
+            .increment_reg = ((first_dword >> 12) & 0xF) != 0,
+            .add_offset_reg = ((first_dword >> 8) & 0xF) != 0,
+            .offset_reg_index = (first_dword >> 4) & 0xF,
+            .value = (static_cast<u64>(GetNextDword()) << 32) | GetNextDword(),
+        };
     } break;
     case CheatVmOpcodeType::PerformArithmeticStatic: {
-        PerformArithmeticStaticOpcode perform_math_static{};
         // 7T0RC000 VVVVVVVV
         // Read additional words.
-        perform_math_static.bit_width = (first_dword >> 24) & 0xF;
-        perform_math_static.reg_index = ((first_dword >> 16) & 0xF);
-        perform_math_static.math_type =
-            static_cast<RegisterArithmeticType>((first_dword >> 12) & 0xF);
-        perform_math_static.value = GetNextDword();
-        opcode.opcode = perform_math_static;
+        opcode.opcode = PerformArithmeticStaticOpcode{
+            .bit_width = (first_dword >> 24) & 0xF,
+            .reg_index = ((first_dword >> 16) & 0xF),
+            .math_type = static_cast<RegisterArithmeticType>((first_dword >> 12) & 0xF),
+            .value = GetNextDword(),
+        };
     } break;
     case CheatVmOpcodeType::BeginKeypressConditionalBlock: {
-        BeginKeypressConditionalOpcode begin_keypress_cond{};
         // 8kkkkkkk
         // Just parse the mask.
-        begin_keypress_cond.key_mask = first_dword & 0x0FFFFFFF;
-        opcode.opcode = begin_keypress_cond;
+        opcode.opcode = BeginKeypressConditionalOpcode{
+            .key_mask = first_dword & 0x0FFFFFFF,
+        };
     } break;
     case CheatVmOpcodeType::PerformArithmeticRegister: {
-        PerformArithmeticRegisterOpcode perform_math_reg{};
         // 9TCRSIs0 (VVVVVVVV (VVVVVVVV))
-        perform_math_reg.bit_width = (first_dword >> 24) & 0xF;
-        perform_math_reg.math_type = static_cast<RegisterArithmeticType>((first_dword >> 20) & 0xF);
-        perform_math_reg.dst_reg_index = ((first_dword >> 16) & 0xF);
-        perform_math_reg.src_reg_1_index = ((first_dword >> 12) & 0xF);
-        perform_math_reg.has_immediate = ((first_dword >> 8) & 0xF) != 0;
+        PerformArithmeticRegisterOpcode perform_math_reg{
+            .bit_width = (first_dword >> 24) & 0xF,
+            .math_type = static_cast<RegisterArithmeticType>((first_dword >> 20) & 0xF),
+            .dst_reg_index = (first_dword >> 16) & 0xF,
+            .src_reg_1_index = (first_dword >> 12) & 0xF,
+            .src_reg_2_index = 0,
+            .has_immediate = ((first_dword >> 8) & 0xF) != 0,
+            .value = {},
+        };
         if (perform_math_reg.has_immediate) {
             perform_math_reg.src_reg_2_index = 0;
             perform_math_reg.value = GetNextVmInt(perform_math_reg.bit_width);
@@ -427,7 +430,6 @@ bool DmntCheatVm::DecodeNextOpcode(CheatVmOpcode& out) {
         opcode.opcode = perform_math_reg;
     } break;
     case CheatVmOpcodeType::StoreRegisterToAddress: {
-        StoreRegisterToAddressOpcode str_register{};
         // ATSRIOxa (aaaaaaaa)
         // A = opcode 10
         // T = bit width
@@ -439,20 +441,23 @@ bool DmntCheatVm::DecodeNextOpcode(CheatVmOpcode& out) {
         //  Relative Address
         // x = offset register (for offset type 1), memory type (for offset type 3)
         // a = relative address (for offset type 2+3)
-        str_register.bit_width = (first_dword >> 24) & 0xF;
-        str_register.str_reg_index = ((first_dword >> 20) & 0xF);
-        str_register.addr_reg_index = ((first_dword >> 16) & 0xF);
-        str_register.increment_reg = ((first_dword >> 12) & 0xF) != 0;
-        str_register.ofs_type = static_cast<StoreRegisterOffsetType>(((first_dword >> 8) & 0xF));
-        str_register.ofs_reg_index = ((first_dword >> 4) & 0xF);
+        StoreRegisterToAddressOpcode str_register{
+            .bit_width = (first_dword >> 24) & 0xF,
+            .str_reg_index = (first_dword >> 20) & 0xF,
+            .addr_reg_index = (first_dword >> 16) & 0xF,
+            .increment_reg = ((first_dword >> 12) & 0xF) != 0,
+            .ofs_type = static_cast<StoreRegisterOffsetType>(((first_dword >> 8) & 0xF)),
+            .mem_type = MemoryAccessType::MainNso,
+            .ofs_reg_index = (first_dword >> 4) & 0xF,
+            .rel_address = 0,
+        };
         switch (str_register.ofs_type) {
         case StoreRegisterOffsetType::None:
         case StoreRegisterOffsetType::Reg:
             // Nothing more to do
             break;
         case StoreRegisterOffsetType::Imm:
-            str_register.rel_address =
-                ((static_cast<u64>(first_dword & 0xF) << 32ul) | static_cast<u64>(GetNextDword()));
+            str_register.rel_address = (static_cast<u64>(first_dword & 0xF) << 32) | GetNextDword();
             break;
         case StoreRegisterOffsetType::MemReg:
             str_register.mem_type = static_cast<MemoryAccessType>((first_dword >> 4) & 0xF);
@@ -460,8 +465,7 @@ bool DmntCheatVm::DecodeNextOpcode(CheatVmOpcode& out) {
         case StoreRegisterOffsetType::MemImm:
         case StoreRegisterOffsetType::MemImmReg:
             str_register.mem_type = static_cast<MemoryAccessType>((first_dword >> 4) & 0xF);
-            str_register.rel_address =
-                ((static_cast<u64>(first_dword & 0xF) << 32ul) | static_cast<u64>(GetNextDword()));
+            str_register.rel_address = (static_cast<u64>(first_dword & 0xF) << 32) | GetNextDword();
             break;
         default:
             str_register.ofs_type = StoreRegisterOffsetType::None;
@@ -470,7 +474,6 @@ bool DmntCheatVm::DecodeNextOpcode(CheatVmOpcode& out) {
         opcode.opcode = str_register;
     } break;
     case CheatVmOpcodeType::BeginRegisterConditionalBlock: {
-        BeginRegisterConditionalOpcode begin_reg_cond{};
         // C0TcSX##
         // C0TcS0Ma aaaaaaaa
         // C0TcS1Mr
@@ -492,11 +495,19 @@ bool DmntCheatVm::DecodeNextOpcode(CheatVmOpcode& out) {
         // r = offset register.
         // X = other register.
         // V = value.
-        begin_reg_cond.bit_width = (first_dword >> 20) & 0xF;
-        begin_reg_cond.cond_type =
-            static_cast<ConditionalComparisonType>((first_dword >> 16) & 0xF);
-        begin_reg_cond.val_reg_index = ((first_dword >> 12) & 0xF);
-        begin_reg_cond.comp_type = static_cast<CompareRegisterValueType>((first_dword >> 8) & 0xF);
+
+        BeginRegisterConditionalOpcode begin_reg_cond{
+            .bit_width = (first_dword >> 20) & 0xF,
+            .cond_type = static_cast<ConditionalComparisonType>((first_dword >> 16) & 0xF),
+            .val_reg_index = (first_dword >> 12) & 0xF,
+            .comp_type = static_cast<CompareRegisterValueType>((first_dword >> 8) & 0xF),
+            .mem_type = MemoryAccessType::MainNso,
+            .addr_reg_index = 0,
+            .other_reg_index = 0,
+            .ofs_reg_index = 0,
+            .rel_address = 0,
+            .value = {},
+        };
 
         switch (begin_reg_cond.comp_type) {
         case CompareRegisterValueType::StaticValue:
@@ -508,26 +519,25 @@ bool DmntCheatVm::DecodeNextOpcode(CheatVmOpcode& out) {
         case CompareRegisterValueType::MemoryRelAddr:
             begin_reg_cond.mem_type = static_cast<MemoryAccessType>((first_dword >> 4) & 0xF);
             begin_reg_cond.rel_address =
-                ((static_cast<u64>(first_dword & 0xF) << 32ul) | static_cast<u64>(GetNextDword()));
+                (static_cast<u64>(first_dword & 0xF) << 32) | GetNextDword();
             break;
         case CompareRegisterValueType::MemoryOfsReg:
             begin_reg_cond.mem_type = static_cast<MemoryAccessType>((first_dword >> 4) & 0xF);
             begin_reg_cond.ofs_reg_index = (first_dword & 0xF);
             break;
         case CompareRegisterValueType::RegisterRelAddr:
-            begin_reg_cond.addr_reg_index = ((first_dword >> 4) & 0xF);
+            begin_reg_cond.addr_reg_index = (first_dword >> 4) & 0xF;
             begin_reg_cond.rel_address =
-                ((static_cast<u64>(first_dword & 0xF) << 32ul) | static_cast<u64>(GetNextDword()));
+                (static_cast<u64>(first_dword & 0xF) << 32) | GetNextDword();
             break;
         case CompareRegisterValueType::RegisterOfsReg:
-            begin_reg_cond.addr_reg_index = ((first_dword >> 4) & 0xF);
-            begin_reg_cond.ofs_reg_index = (first_dword & 0xF);
+            begin_reg_cond.addr_reg_index = (first_dword >> 4) & 0xF;
+            begin_reg_cond.ofs_reg_index = first_dword & 0xF;
             break;
         }
         opcode.opcode = begin_reg_cond;
     } break;
     case CheatVmOpcodeType::SaveRestoreRegister: {
-        SaveRestoreRegisterOpcode save_restore_reg{};
         // C10D0Sx0
         // C1 = opcode 0xC1
         // D = destination index.
@@ -535,36 +545,37 @@ bool DmntCheatVm::DecodeNextOpcode(CheatVmOpcode& out) {
         // x = 3 if clearing reg, 2 if clearing saved value, 1 if saving a register, 0 if restoring
         // a register.
         // NOTE: If we add more save slots later, current encoding is backwards compatible.
-        save_restore_reg.dst_index = (first_dword >> 16) & 0xF;
-        save_restore_reg.src_index = (first_dword >> 8) & 0xF;
-        save_restore_reg.op_type = static_cast<SaveRestoreRegisterOpType>((first_dword >> 4) & 0xF);
-        opcode.opcode = save_restore_reg;
+        opcode.opcode = SaveRestoreRegisterOpcode{
+            .dst_index = (first_dword >> 16) & 0xF,
+            .src_index = (first_dword >> 8) & 0xF,
+            .op_type = static_cast<SaveRestoreRegisterOpType>((first_dword >> 4) & 0xF),
+        };
     } break;
     case CheatVmOpcodeType::SaveRestoreRegisterMask: {
-        SaveRestoreRegisterMaskOpcode save_restore_regmask{};
         // C2x0XXXX
         // C2 = opcode 0xC2
         // x = 3 if clearing reg, 2 if clearing saved value, 1 if saving, 0 if restoring.
         // X = 16-bit bitmask, bit i --> save or restore register i.
-        save_restore_regmask.op_type =
-            static_cast<SaveRestoreRegisterOpType>((first_dword >> 20) & 0xF);
+        SaveRestoreRegisterMaskOpcode save_restore_regmask{
+            .op_type = static_cast<SaveRestoreRegisterOpType>((first_dword >> 20) & 0xF),
+            .should_operate = {},
+        };
         for (std::size_t i = 0; i < NumRegisters; i++) {
-            save_restore_regmask.should_operate[i] = (first_dword & (1u << i)) != 0;
+            save_restore_regmask.should_operate[i] = (first_dword & (1U << i)) != 0;
         }
         opcode.opcode = save_restore_regmask;
     } break;
     case CheatVmOpcodeType::ReadWriteStaticRegister: {
-        ReadWriteStaticRegisterOpcode rw_static_reg{};
         // C3000XXx
         // C3 = opcode 0xC3.
         // XX = static register index.
         // x  = register index.
-        rw_static_reg.static_idx = ((first_dword >> 4) & 0xFF);
-        rw_static_reg.idx = (first_dword & 0xF);
-        opcode.opcode = rw_static_reg;
+        opcode.opcode = ReadWriteStaticRegisterOpcode{
+            .static_idx = (first_dword >> 4) & 0xFF,
+            .idx = first_dword & 0xF,
+        };
     } break;
     case CheatVmOpcodeType::DebugLog: {
-        DebugLogOpcode debug_log{};
         // FFFTIX##
         // FFFTI0Ma aaaaaaaa
         // FFFTI1Mr
@@ -583,31 +594,36 @@ bool DmntCheatVm::DecodeNextOpcode(CheatVmOpcode& out) {
         // a = relative address.
         // r = offset register.
         // X = value register.
-        debug_log.bit_width = (first_dword >> 16) & 0xF;
-        debug_log.log_id = ((first_dword >> 12) & 0xF);
-        debug_log.val_type = static_cast<DebugLogValueType>((first_dword >> 8) & 0xF);
+        DebugLogOpcode debug_log{
+            .bit_width = (first_dword >> 16) & 0xF,
+            .log_id = (first_dword >> 12) & 0xF,
+            .val_type = static_cast<DebugLogValueType>((first_dword >> 8) & 0xF),
+            .mem_type = MemoryAccessType::MainNso,
+            .addr_reg_index = 0,
+            .val_reg_index = 0,
+            .ofs_reg_index = 0,
+            .rel_address = 0,
+        };
 
         switch (debug_log.val_type) {
         case DebugLogValueType::RegisterValue:
-            debug_log.val_reg_index = ((first_dword >> 4) & 0xF);
+            debug_log.val_reg_index = (first_dword >> 4) & 0xF;
             break;
         case DebugLogValueType::MemoryRelAddr:
             debug_log.mem_type = static_cast<MemoryAccessType>((first_dword >> 4) & 0xF);
-            debug_log.rel_address =
-                ((static_cast<u64>(first_dword & 0xF) << 32ul) | static_cast<u64>(GetNextDword()));
+            debug_log.rel_address = (static_cast<u64>(first_dword & 0xF) << 32) | GetNextDword();
             break;
         case DebugLogValueType::MemoryOfsReg:
             debug_log.mem_type = static_cast<MemoryAccessType>((first_dword >> 4) & 0xF);
-            debug_log.ofs_reg_index = (first_dword & 0xF);
+            debug_log.ofs_reg_index = first_dword & 0xF;
             break;
         case DebugLogValueType::RegisterRelAddr:
-            debug_log.addr_reg_index = ((first_dword >> 4) & 0xF);
-            debug_log.rel_address =
-                ((static_cast<u64>(first_dword & 0xF) << 32ul) | static_cast<u64>(GetNextDword()));
+            debug_log.addr_reg_index = (first_dword >> 4) & 0xF;
+            debug_log.rel_address = (static_cast<u64>(first_dword & 0xF) << 32) | GetNextDword();
             break;
         case DebugLogValueType::RegisterOfsReg:
-            debug_log.addr_reg_index = ((first_dword >> 4) & 0xF);
-            debug_log.ofs_reg_index = (first_dword & 0xF);
+            debug_log.addr_reg_index = (first_dword >> 4) & 0xF;
+            debug_log.ofs_reg_index = first_dword & 0xF;
             break;
         }
         opcode.opcode = debug_log;
diff --git a/src/core/network/network.cpp b/src/core/network/network.cpp
new file mode 100644
index 000000000..56d173b5e
--- /dev/null
+++ b/src/core/network/network.cpp
@@ -0,0 +1,654 @@
+// Copyright 2020 yuzu emulator team
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include <algorithm>
+#include <cstring>
+#include <limits>
+#include <utility>
+#include <vector>
+
+#ifdef _WIN32
+#define _WINSOCK_DEPRECATED_NO_WARNINGS // gethostname
+#include <winsock2.h>
+#elif __unix__
+#include <errno.h>
+#include <fcntl.h>
+#include <netdb.h>
+#include <netinet/in.h>
+#include <poll.h>
+#include <sys/socket.h>
+#include <unistd.h>
+#else
+#error "Unimplemented platform"
+#endif
+
+#include "common/assert.h"
+#include "common/common_types.h"
+#include "common/logging/log.h"
+#include "core/network/network.h"
+#include "core/network/sockets.h"
+
+namespace Network {
+
+namespace {
+
+#ifdef _WIN32
+
+using socklen_t = int;
+
+void Initialize() {
+    WSADATA wsa_data;
+    (void)WSAStartup(MAKEWORD(2, 2), &wsa_data);
+}
+
+void Finalize() {
+    WSACleanup();
+}
+
+constexpr IPv4Address TranslateIPv4(in_addr addr) {
+    auto& bytes = addr.S_un.S_un_b;
+    return IPv4Address{bytes.s_b1, bytes.s_b2, bytes.s_b3, bytes.s_b4};
+}
+
+sockaddr TranslateFromSockAddrIn(SockAddrIn input) {
+    sockaddr_in result;
+
+#ifdef __unix__
+    result.sin_len = sizeof(result);
+#endif
+
+    switch (static_cast<Domain>(input.family)) {
+    case Domain::INET:
+        result.sin_family = AF_INET;
+        break;
+    default:
+        UNIMPLEMENTED_MSG("Unhandled sockaddr family={}", static_cast<int>(input.family));
+        result.sin_family = AF_INET;
+        break;
+    }
+
+    result.sin_port = htons(input.portno);
+
+    auto& ip = result.sin_addr.S_un.S_un_b;
+    ip.s_b1 = input.ip[0];
+    ip.s_b2 = input.ip[1];
+    ip.s_b3 = input.ip[2];
+    ip.s_b4 = input.ip[3];
+
+    sockaddr addr;
+    std::memcpy(&addr, &result, sizeof(addr));
+    return addr;
+}
+
+LINGER MakeLinger(bool enable, u32 linger_value) {
+    ASSERT(linger_value <= std::numeric_limits<u_short>::max());
+
+    LINGER value;
+    value.l_onoff = enable ? 1 : 0;
+    value.l_linger = static_cast<u_short>(linger_value);
+    return value;
+}
+
+int LastError() {
+    return WSAGetLastError();
+}
+
+bool EnableNonBlock(SOCKET fd, bool enable) {
+    u_long value = enable ? 1 : 0;
+    return ioctlsocket(fd, FIONBIO, &value) != SOCKET_ERROR;
+}
+
+#elif __unix__ // ^ _WIN32 v __unix__
+
+using SOCKET = int;
+using WSAPOLLFD = pollfd;
+using ULONG = u64;
+
+constexpr SOCKET INVALID_SOCKET = -1;
+constexpr SOCKET SOCKET_ERROR = -1;
+
+constexpr int WSAEWOULDBLOCK = EAGAIN;
+constexpr int WSAENOTCONN = ENOTCONN;
+
+constexpr int SD_RECEIVE = SHUT_RD;
+constexpr int SD_SEND = SHUT_WR;
+constexpr int SD_BOTH = SHUT_RDWR;
+
+void Initialize() {}
+
+void Finalize() {}
+
+constexpr IPv4Address TranslateIPv4(in_addr addr) {
+    const u32 bytes = addr.s_addr;
+    return IPv4Address{static_cast<u8>(bytes), static_cast<u8>(bytes >> 8),
+                       static_cast<u8>(bytes >> 16), static_cast<u8>(bytes >> 24)};
+}
+
+sockaddr TranslateFromSockAddrIn(SockAddrIn input) {
+    sockaddr_in result;
+
+    switch (static_cast<Domain>(input.family)) {
+    case Domain::INET:
+        result.sin_family = AF_INET;
+        break;
+    default:
+        UNIMPLEMENTED_MSG("Unhandled sockaddr family={}", static_cast<int>(input.family));
+        result.sin_family = AF_INET;
+        break;
+    }
+
+    result.sin_port = htons(input.portno);
+
+    result.sin_addr.s_addr = input.ip[0] | input.ip[1] << 8 | input.ip[2] << 16 | input.ip[3] << 24;
+
+    sockaddr addr;
+    std::memcpy(&addr, &result, sizeof(addr));
+    return addr;
+}
+
+int WSAPoll(WSAPOLLFD* fds, ULONG nfds, int timeout) {
+    return poll(fds, nfds, timeout);
+}
+
+int closesocket(SOCKET fd) {
+    return close(fd);
+}
+
+linger MakeLinger(bool enable, u32 linger_value) {
+    linger value;
+    value.l_onoff = enable ? 1 : 0;
+    value.l_linger = linger_value;
+    return value;
+}
+
+int LastError() {
+    return errno;
+}
+
+bool EnableNonBlock(int fd, bool enable) {
+    int flags = fcntl(fd, F_GETFD);
+    if (flags == -1) {
+        return false;
+    }
+    if (enable) {
+        flags |= O_NONBLOCK;
+    } else {
+        flags &= ~O_NONBLOCK;
+    }
+    return fcntl(fd, F_SETFD, flags) == 0;
+}
+
+#endif
+
+int TranslateDomain(Domain domain) {
+    switch (domain) {
+    case Domain::INET:
+        return AF_INET;
+    default:
+        UNIMPLEMENTED_MSG("Unimplemented domain={}", static_cast<int>(domain));
+        return 0;
+    }
+}
+
+int TranslateType(Type type) {
+    switch (type) {
+    case Type::STREAM:
+        return SOCK_STREAM;
+    case Type::DGRAM:
+        return SOCK_DGRAM;
+    default:
+        UNIMPLEMENTED_MSG("Unimplemented type={}", static_cast<int>(type));
+        return 0;
+    }
+}
+
+int TranslateProtocol(Protocol protocol) {
+    switch (protocol) {
+    case Protocol::TCP:
+        return IPPROTO_TCP;
+    case Protocol::UDP:
+        return IPPROTO_UDP;
+    default:
+        UNIMPLEMENTED_MSG("Unimplemented protocol={}", static_cast<int>(protocol));
+        return 0;
+    }
+}
+
+SockAddrIn TranslateToSockAddrIn(sockaddr input_) {
+    sockaddr_in input;
+    std::memcpy(&input, &input_, sizeof(input));
+
+    SockAddrIn result;
+
+    switch (input.sin_family) {
+    case AF_INET:
+        result.family = Domain::INET;
+        break;
+    default:
+        UNIMPLEMENTED_MSG("Unhandled sockaddr family={}", input.sin_family);
+        result.family = Domain::INET;
+        break;
+    }
+
+    result.portno = ntohs(input.sin_port);
+
+    result.ip = TranslateIPv4(input.sin_addr);
+
+    return result;
+}
+
+u16 TranslatePollEvents(u16 events) {
+    u16 result = 0;
+
+    if (events & POLL_IN) {
+        events &= ~POLL_IN;
+        result |= POLLIN;
+    }
+    if (events & POLL_PRI) {
+        events &= ~POLL_PRI;
+#ifdef _WIN32
+        LOG_WARNING(Service, "Winsock doesn't support POLLPRI");
+#else
+        result |= POLL_PRI;
+#endif
+    }
+    if (events & POLL_OUT) {
+        events &= ~POLL_OUT;
+        result |= POLLOUT;
+    }
+
+    UNIMPLEMENTED_IF_MSG(events != 0, "Unhandled guest events=0x{:x}", events);
+
+    return result;
+}
+
+u16 TranslatePollRevents(u16 revents) {
+    u16 result = 0;
+    const auto translate = [&result, &revents](int host, unsigned guest) {
+        if (revents & host) {
+            revents &= ~host;
+            result |= guest;
+        }
+    };
+
+    translate(POLLIN, POLL_IN);
+    translate(POLLPRI, POLL_PRI);
+    translate(POLLOUT, POLL_OUT);
+    translate(POLLERR, POLL_ERR);
+    translate(POLLHUP, POLL_HUP);
+
+    UNIMPLEMENTED_IF_MSG(revents != 0, "Unhandled host revents=0x{:x}", revents);
+
+    return result;
+}
+
+template <typename T>
+Errno SetSockOpt(SOCKET fd, int option, T value) {
+    const int result =
+        setsockopt(fd, SOL_SOCKET, option, reinterpret_cast<const char*>(&value), sizeof(value));
+    if (result != SOCKET_ERROR) {
+        return Errno::SUCCESS;
+    }
+    const int ec = LastError();
+    UNREACHABLE_MSG("Unhandled host socket error={}", ec);
+    return Errno::SUCCESS;
+}
+
+} // Anonymous namespace
+
+NetworkInstance::NetworkInstance() {
+    Initialize();
+}
+
+NetworkInstance::~NetworkInstance() {
+    Finalize();
+}
+
+std::pair<IPv4Address, Errno> GetHostIPv4Address() {
+    std::array<char, 256> name{};
+    if (gethostname(name.data(), static_cast<int>(name.size()) - 1) == SOCKET_ERROR) {
+        UNIMPLEMENTED_MSG("Unhandled gethostname error");
+        return {IPv4Address{}, Errno::SUCCESS};
+    }
+
+    hostent* const ent = gethostbyname(name.data());
+    if (!ent) {
+        UNIMPLEMENTED_MSG("Unhandled gethostbyname error");
+        return {IPv4Address{}, Errno::SUCCESS};
+    }
+    if (ent->h_addr_list == nullptr) {
+        UNIMPLEMENTED_MSG("No addr provided in hostent->h_addr_list");
+        return {IPv4Address{}, Errno::SUCCESS};
+    }
+    if (ent->h_length != sizeof(in_addr)) {
+        UNIMPLEMENTED_MSG("Unexpected size={} in hostent->h_length", ent->h_length);
+    }
+
+    in_addr addr;
+    std::memcpy(&addr, ent->h_addr_list[0], sizeof(addr));
+    return {TranslateIPv4(addr), Errno::SUCCESS};
+}
+
+std::pair<s32, Errno> Poll(std::vector<PollFD>& pollfds, s32 timeout) {
+    const size_t num = pollfds.size();
+
+    std::vector<WSAPOLLFD> host_pollfds(pollfds.size());
+    std::transform(pollfds.begin(), pollfds.end(), host_pollfds.begin(), [](PollFD fd) {
+        WSAPOLLFD result;
+        result.fd = fd.socket->fd;
+        result.events = TranslatePollEvents(fd.events);
+        result.revents = 0;
+        return result;
+    });
+
+    const int result = WSAPoll(host_pollfds.data(), static_cast<ULONG>(num), timeout);
+    if (result == 0) {
+        ASSERT(std::all_of(host_pollfds.begin(), host_pollfds.end(),
+                           [](WSAPOLLFD fd) { return fd.revents == 0; }));
+        return {0, Errno::SUCCESS};
+    }
+
+    for (size_t i = 0; i < num; ++i) {
+        pollfds[i].revents = TranslatePollRevents(host_pollfds[i].revents);
+    }
+
+    if (result > 0) {
+        return {result, Errno::SUCCESS};
+    }
+
+    ASSERT(result == SOCKET_ERROR);
+
+    const int ec = LastError();
+    UNREACHABLE_MSG("Unhandled host socket error={}", ec);
+    return {-1, Errno::SUCCESS};
+}
+
+Socket::~Socket() {
+    if (fd == INVALID_SOCKET) {
+        return;
+    }
+    (void)closesocket(fd);
+    fd = INVALID_SOCKET;
+}
+
+Socket::Socket(Socket&& rhs) noexcept : fd{std::exchange(rhs.fd, INVALID_SOCKET)} {}
+
+Errno Socket::Initialize(Domain domain, Type type, Protocol protocol) {
+    fd = socket(TranslateDomain(domain), TranslateType(type), TranslateProtocol(protocol));
+    if (fd != INVALID_SOCKET) {
+        return Errno::SUCCESS;
+    }
+
+    const int ec = LastError();
+    UNREACHABLE_MSG("Unhandled host socket error={}", ec);
+    return Errno::SUCCESS;
+}
+
+std::pair<Socket::AcceptResult, Errno> Socket::Accept() {
+    sockaddr addr;
+    socklen_t addrlen = sizeof(addr);
+    const SOCKET new_socket = accept(fd, &addr, &addrlen);
+
+    if (new_socket == INVALID_SOCKET) {
+        const int ec = LastError();
+        UNREACHABLE_MSG("Unhandled host socket error={}", ec);
+        return {AcceptResult{}, Errno::SUCCESS};
+    }
+
+    AcceptResult result;
+    result.socket = std::make_unique<Socket>();
+    result.socket->fd = new_socket;
+
+    ASSERT(addrlen == sizeof(sockaddr_in));
+    result.sockaddr_in = TranslateToSockAddrIn(addr);
+
+    return {std::move(result), Errno::SUCCESS};
+}
+
+Errno Socket::Connect(SockAddrIn addr_in) {
+    const sockaddr host_addr_in = TranslateFromSockAddrIn(addr_in);
+    if (connect(fd, &host_addr_in, sizeof(host_addr_in)) != INVALID_SOCKET) {
+        return Errno::SUCCESS;
+    }
+
+    switch (const int ec = LastError()) {
+    case WSAEWOULDBLOCK:
+        LOG_DEBUG(Service, "EAGAIN generated");
+        return Errno::AGAIN;
+    default:
+        UNREACHABLE_MSG("Unhandled host socket error={}", ec);
+        return Errno::SUCCESS;
+    }
+}
+
+std::pair<SockAddrIn, Errno> Socket::GetPeerName() {
+    sockaddr addr;
+    socklen_t addrlen = sizeof(addr);
+    if (getpeername(fd, &addr, &addrlen) == SOCKET_ERROR) {
+        const int ec = LastError();
+        UNREACHABLE_MSG("Unhandled host socket error={}", ec);
+        return {SockAddrIn{}, Errno::SUCCESS};
+    }
+
+    ASSERT(addrlen == sizeof(sockaddr_in));
+    return {TranslateToSockAddrIn(addr), Errno::SUCCESS};
+}
+
+std::pair<SockAddrIn, Errno> Socket::GetSockName() {
+    sockaddr addr;
+    socklen_t addrlen = sizeof(addr);
+    if (getsockname(fd, &addr, &addrlen) == SOCKET_ERROR) {
+        const int ec = LastError();
+        UNREACHABLE_MSG("Unhandled host socket error={}", ec);
+        return {SockAddrIn{}, Errno::SUCCESS};
+    }
+
+    ASSERT(addrlen == sizeof(sockaddr_in));
+    return {TranslateToSockAddrIn(addr), Errno::SUCCESS};
+}
+
+Errno Socket::Bind(SockAddrIn addr) {
+    const sockaddr addr_in = TranslateFromSockAddrIn(addr);
+    if (bind(fd, &addr_in, sizeof(addr_in)) != SOCKET_ERROR) {
+        return Errno::SUCCESS;
+    }
+
+    const int ec = LastError();
+    UNREACHABLE_MSG("Unhandled host socket error={}", ec);
+    return Errno::SUCCESS;
+}
+
+Errno Socket::Listen(s32 backlog) {
+    if (listen(fd, backlog) != SOCKET_ERROR) {
+        return Errno::SUCCESS;
+    }
+
+    const int ec = LastError();
+    UNREACHABLE_MSG("Unhandled host socket error={}", ec);
+    return Errno::SUCCESS;
+}
+
+Errno Socket::Shutdown(ShutdownHow how) {
+    int host_how = 0;
+    switch (how) {
+    case ShutdownHow::RD:
+        host_how = SD_RECEIVE;
+        break;
+    case ShutdownHow::WR:
+        host_how = SD_SEND;
+        break;
+    case ShutdownHow::RDWR:
+        host_how = SD_BOTH;
+        break;
+    default:
+        UNIMPLEMENTED_MSG("Unimplemented flag how={}", static_cast<int>(how));
+        return Errno::SUCCESS;
+    }
+    if (shutdown(fd, host_how) != SOCKET_ERROR) {
+        return Errno::SUCCESS;
+    }
+
+    switch (const int ec = LastError()) {
+    case WSAENOTCONN:
+        LOG_ERROR(Service, "ENOTCONN generated");
+        return Errno::NOTCONN;
+    default:
+        UNREACHABLE_MSG("Unhandled host socket error={}", ec);
+        return Errno::SUCCESS;
+    }
+}
+
+std::pair<s32, Errno> Socket::Recv(int flags, std::vector<u8>& message) {
+    ASSERT(flags == 0);
+    ASSERT(message.size() < static_cast<size_t>(std::numeric_limits<int>::max()));
+
+    const int result =
+        recv(fd, reinterpret_cast<char*>(message.data()), static_cast<int>(message.size()), 0);
+    if (result != SOCKET_ERROR) {
+        return {result, Errno::SUCCESS};
+    }
+
+    switch (const int ec = LastError()) {
+    case WSAEWOULDBLOCK:
+        LOG_DEBUG(Service, "EAGAIN generated");
+        return {-1, Errno::AGAIN};
+    case WSAENOTCONN:
+        LOG_ERROR(Service, "ENOTCONN generated");
+        return {-1, Errno::NOTCONN};
+    default:
+        UNREACHABLE_MSG("Unhandled host socket error={}", ec);
+        return {0, Errno::SUCCESS};
+    }
+}
+
+std::pair<s32, Errno> Socket::RecvFrom(int flags, std::vector<u8>& message, SockAddrIn* addr) {
+    ASSERT(flags == 0);
+    ASSERT(message.size() < static_cast<size_t>(std::numeric_limits<int>::max()));
+
+    sockaddr addr_in{};
+    socklen_t addrlen = sizeof(addr_in);
+    socklen_t* const p_addrlen = addr ? &addrlen : nullptr;
+    sockaddr* const p_addr_in = addr ? &addr_in : nullptr;
+
+    const int result = recvfrom(fd, reinterpret_cast<char*>(message.data()),
+                                static_cast<int>(message.size()), 0, p_addr_in, p_addrlen);
+    if (result != SOCKET_ERROR) {
+        if (addr) {
+            ASSERT(addrlen == sizeof(addr_in));
+            *addr = TranslateToSockAddrIn(addr_in);
+        }
+        return {result, Errno::SUCCESS};
+    }
+
+    switch (const int ec = LastError()) {
+    case WSAEWOULDBLOCK:
+        LOG_DEBUG(Service, "EAGAIN generated");
+        return {-1, Errno::AGAIN};
+    case WSAENOTCONN:
+        LOG_ERROR(Service, "ENOTCONN generated");
+        return {-1, Errno::NOTCONN};
+    default:
+        UNREACHABLE_MSG("Unhandled host socket error={}", ec);
+        return {-1, Errno::SUCCESS};
+    }
+}
+
+std::pair<s32, Errno> Socket::Send(const std::vector<u8>& message, int flags) {
+    ASSERT(message.size() < static_cast<size_t>(std::numeric_limits<int>::max()));
+    ASSERT(flags == 0);
+
+    const int result = send(fd, reinterpret_cast<const char*>(message.data()),
+                            static_cast<int>(message.size()), 0);
+    if (result != SOCKET_ERROR) {
+        return {result, Errno::SUCCESS};
+    }
+
+    const int ec = LastError();
+    switch (ec) {
+    case WSAEWOULDBLOCK:
+        LOG_DEBUG(Service, "EAGAIN generated");
+        return {-1, Errno::AGAIN};
+    case WSAENOTCONN:
+        LOG_ERROR(Service, "ENOTCONN generated");
+        return {-1, Errno::NOTCONN};
+    default:
+        UNREACHABLE_MSG("Unhandled host socket error={}", ec);
+        return {-1, Errno::SUCCESS};
+    }
+}
+
+std::pair<s32, Errno> Socket::SendTo(u32 flags, const std::vector<u8>& message,
+                                     const SockAddrIn* addr) {
+    ASSERT(flags == 0);
+
+    const sockaddr* to = nullptr;
+    const int tolen = addr ? 0 : sizeof(sockaddr);
+    sockaddr host_addr_in;
+
+    if (addr) {
+        host_addr_in = TranslateFromSockAddrIn(*addr);
+        to = &host_addr_in;
+    }
+
+    const int result = sendto(fd, reinterpret_cast<const char*>(message.data()),
+                              static_cast<int>(message.size()), 0, to, tolen);
+    if (result != SOCKET_ERROR) {
+        return {result, Errno::SUCCESS};
+    }
+
+    const int ec = LastError();
+    UNREACHABLE_MSG("Unhandled host socket error={}", ec);
+    return {-1, Errno::SUCCESS};
+}
+
+Errno Socket::Close() {
+    [[maybe_unused]] const int result = closesocket(fd);
+    ASSERT(result == 0);
+    fd = INVALID_SOCKET;
+
+    return Errno::SUCCESS;
+}
+
+Errno Socket::SetLinger(bool enable, u32 linger) {
+    return SetSockOpt(fd, SO_LINGER, MakeLinger(enable, linger));
+}
+
+Errno Socket::SetReuseAddr(bool enable) {
+    return SetSockOpt<u32>(fd, SO_REUSEADDR, enable ? 1 : 0);
+}
+
+Errno Socket::SetBroadcast(bool enable) {
+    return SetSockOpt<u32>(fd, SO_BROADCAST, enable ? 1 : 0);
+}
+
+Errno Socket::SetSndBuf(u32 value) {
+    return SetSockOpt(fd, SO_SNDBUF, value);
+}
+
+Errno Socket::SetRcvBuf(u32 value) {
+    return SetSockOpt(fd, SO_RCVBUF, value);
+}
+
+Errno Socket::SetSndTimeo(u32 value) {
+    return SetSockOpt(fd, SO_SNDTIMEO, value);
+}
+
+Errno Socket::SetRcvTimeo(u32 value) {
+    return SetSockOpt(fd, SO_RCVTIMEO, value);
+}
+
+Errno Socket::SetNonBlock(bool enable) {
+    if (EnableNonBlock(fd, enable)) {
+        return Errno::SUCCESS;
+    }
+    const int ec = LastError();
+    UNREACHABLE_MSG("Unhandled host socket error={}", ec);
+    return Errno::SUCCESS;
+}
+
+bool Socket::IsOpened() const {
+    return fd != INVALID_SOCKET;
+}
+
+} // namespace Network
diff --git a/src/core/network/network.h b/src/core/network/network.h
new file mode 100644
index 000000000..0622e4593
--- /dev/null
+++ b/src/core/network/network.h
@@ -0,0 +1,87 @@
+// Copyright 2020 yuzu emulator team
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <array>
+#include <utility>
+
+#include "common/common_types.h"
+
+namespace Network {
+
+class Socket;
+
+/// Error code for network functions
+enum class Errno {
+    SUCCESS,
+    BADF,
+    INVAL,
+    MFILE,
+    NOTCONN,
+    AGAIN,
+};
+
+/// Address families
+enum class Domain {
+    INET, ///< Address family for IPv4
+};
+
+/// Socket types
+enum class Type {
+    STREAM,
+    DGRAM,
+    RAW,
+    SEQPACKET,
+};
+
+/// Protocol values for sockets
+enum class Protocol {
+    ICMP,
+    TCP,
+    UDP,
+};
+
+/// Shutdown mode
+enum class ShutdownHow {
+    RD,
+    WR,
+    RDWR,
+};
+
+/// Array of IPv4 address
+using IPv4Address = std::array<u8, 4>;
+
+/// Cross-platform sockaddr structure
+struct SockAddrIn {
+    Domain family;
+    IPv4Address ip;
+    u16 portno;
+};
+
+/// Cross-platform poll fd structure
+struct PollFD {
+    Socket* socket;
+    u16 events;
+    u16 revents;
+};
+
+constexpr u16 POLL_IN = 1 << 0;
+constexpr u16 POLL_PRI = 1 << 1;
+constexpr u16 POLL_OUT = 1 << 2;
+constexpr u16 POLL_ERR = 1 << 3;
+constexpr u16 POLL_HUP = 1 << 4;
+constexpr u16 POLL_NVAL = 1 << 5;
+
+class NetworkInstance {
+public:
+    explicit NetworkInstance();
+    ~NetworkInstance();
+};
+
+/// @brief Returns host's IPv4 address
+/// @return Pair of an array of human ordered IPv4 address (e.g. 192.168.0.1) and an error code
+std::pair<IPv4Address, Errno> GetHostIPv4Address();
+
+} // namespace Network
diff --git a/src/core/network/sockets.h b/src/core/network/sockets.h
new file mode 100644
index 000000000..7bdff0fe4
--- /dev/null
+++ b/src/core/network/sockets.h
@@ -0,0 +1,94 @@
+// Copyright 2020 yuzu emulator team
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <memory>
+#include <utility>
+
+#if defined(_WIN32)
+#include <winsock.h>
+#elif !defined(__unix__)
+#error "Platform not implemented"
+#endif
+
+#include "common/common_types.h"
+#include "core/network/network.h"
+
+// TODO: C++20 Replace std::vector usages with std::span
+
+namespace Network {
+
+class Socket {
+public:
+    struct AcceptResult {
+        std::unique_ptr<Socket> socket;
+        SockAddrIn sockaddr_in;
+    };
+
+    explicit Socket() = default;
+    ~Socket();
+
+    Socket(const Socket&) = delete;
+    Socket& operator=(const Socket&) = delete;
+
+    Socket(Socket&& rhs) noexcept;
+
+    // Avoid closing sockets implicitly
+    Socket& operator=(Socket&&) noexcept = delete;
+
+    Errno Initialize(Domain domain, Type type, Protocol protocol);
+
+    Errno Close();
+
+    std::pair<AcceptResult, Errno> Accept();
+
+    Errno Connect(SockAddrIn addr_in);
+
+    std::pair<SockAddrIn, Errno> GetPeerName();
+
+    std::pair<SockAddrIn, Errno> GetSockName();
+
+    Errno Bind(SockAddrIn addr);
+
+    Errno Listen(s32 backlog);
+
+    Errno Shutdown(ShutdownHow how);
+
+    std::pair<s32, Errno> Recv(int flags, std::vector<u8>& message);
+
+    std::pair<s32, Errno> RecvFrom(int flags, std::vector<u8>& message, SockAddrIn* addr);
+
+    std::pair<s32, Errno> Send(const std::vector<u8>& message, int flags);
+
+    std::pair<s32, Errno> SendTo(u32 flags, const std::vector<u8>& message, const SockAddrIn* addr);
+
+    Errno SetLinger(bool enable, u32 linger);
+
+    Errno SetReuseAddr(bool enable);
+
+    Errno SetBroadcast(bool enable);
+
+    Errno SetSndBuf(u32 value);
+
+    Errno SetRcvBuf(u32 value);
+
+    Errno SetSndTimeo(u32 value);
+
+    Errno SetRcvTimeo(u32 value);
+
+    Errno SetNonBlock(bool enable);
+
+    bool IsOpened() const;
+
+#if defined(_WIN32)
+    SOCKET fd = INVALID_SOCKET;
+#elif defined(__unix__)
+    int fd = -1;
+#endif
+};
+
+std::pair<s32, Errno> Poll(std::vector<PollFD>& poll_fds, s32 timeout);
+
+} // namespace Network
diff --git a/src/core/perf_stats.cpp b/src/core/perf_stats.cpp
index 29339ead7..b93396a80 100644
--- a/src/core/perf_stats.cpp
+++ b/src/core/perf_stats.cpp
@@ -38,11 +38,11 @@ PerfStats::~PerfStats() {
     std::ostringstream stream;
     std::copy(perf_history.begin() + IgnoreFrames, perf_history.begin() + current_index,
               std::ostream_iterator<double>(stream, "\n"));
-    const std::string& path = FileUtil::GetUserPath(FileUtil::UserPath::LogDir);
+    const std::string& path = Common::FS::GetUserPath(Common::FS::UserPath::LogDir);
     // %F Date format expanded is "%Y-%m-%d"
     const std::string filename =
         fmt::format("{}/{:%F-%H-%M}_{:016X}.csv", path, *std::localtime(&t), title_id);
-    FileUtil::IOFile file(filename, "w");
+    Common::FS::IOFile file(filename, "w");
     file.WriteString(stream.str());
 }
 
@@ -74,15 +74,16 @@ void PerfStats::EndGameFrame() {
     game_frames += 1;
 }
 
-double PerfStats::GetMeanFrametime() {
+double PerfStats::GetMeanFrametime() const {
     std::lock_guard lock{object_mutex};
 
     if (current_index <= IgnoreFrames) {
         return 0;
     }
+
     const double sum = std::accumulate(perf_history.begin() + IgnoreFrames,
                                        perf_history.begin() + current_index, 0.0);
-    return sum / (current_index - IgnoreFrames);
+    return sum / static_cast<double>(current_index - IgnoreFrames);
 }
 
 PerfStatsResults PerfStats::GetAndResetStats(microseconds current_system_time_us) {
@@ -94,12 +95,13 @@ PerfStatsResults PerfStats::GetAndResetStats(microseconds current_system_time_us
 
     const auto system_us_per_second = (current_system_time_us - reset_point_system_us) / interval;
 
-    PerfStatsResults results{};
-    results.system_fps = static_cast<double>(system_frames) / interval;
-    results.game_fps = static_cast<double>(game_frames) / interval;
-    results.frametime = duration_cast<DoubleSecs>(accumulated_frametime).count() /
-                        static_cast<double>(system_frames);
-    results.emulation_speed = system_us_per_second.count() / 1'000'000.0;
+    const PerfStatsResults results{
+        .system_fps = static_cast<double>(system_frames) / interval,
+        .game_fps = static_cast<double>(game_frames) / interval,
+        .frametime = duration_cast<DoubleSecs>(accumulated_frametime).count() /
+                     static_cast<double>(system_frames),
+        .emulation_speed = system_us_per_second.count() / 1'000'000.0,
+    };
 
     // Reset counters
     reset_point = now;
@@ -111,7 +113,7 @@ PerfStatsResults PerfStats::GetAndResetStats(microseconds current_system_time_us
     return results;
 }
 
-double PerfStats::GetLastFrameTimeScale() {
+double PerfStats::GetLastFrameTimeScale() const {
     std::lock_guard lock{object_mutex};
 
     constexpr double FRAME_LENGTH = 1.0 / 60;
diff --git a/src/core/perf_stats.h b/src/core/perf_stats.h
index d9a64f072..69256b960 100644
--- a/src/core/perf_stats.h
+++ b/src/core/perf_stats.h
@@ -30,7 +30,6 @@ struct PerfStatsResults {
 class PerfStats {
 public:
     explicit PerfStats(u64 title_id);
-
     ~PerfStats();
 
     using Clock = std::chrono::high_resolution_clock;
@@ -42,18 +41,18 @@ public:
     PerfStatsResults GetAndResetStats(std::chrono::microseconds current_system_time_us);
 
     /**
-     * Returns the Arthimetic Mean of all frametime values stored in the performance history.
+     * Returns the arithmetic mean of all frametime values stored in the performance history.
      */
-    double GetMeanFrametime();
+    double GetMeanFrametime() const;
 
     /**
      * Gets the ratio between walltime and the emulated time of the previous system frame. This is
      * useful for scaling inputs or outputs moving between the two time domains.
      */
-    double GetLastFrameTimeScale();
+    double GetLastFrameTimeScale() const;
 
 private:
-    std::mutex object_mutex{};
+    mutable std::mutex object_mutex;
 
     /// Title ID for the game that is running. 0 if there is no game running yet
     u64 title_id{0};
@@ -61,7 +60,7 @@ private:
     std::size_t current_index{0};
     /// Stores an hour of historical frametime data useful for processing and tracking performance
     /// regressions with code changes.
-    std::array<double, 216000> perf_history = {};
+    std::array<double, 216000> perf_history{};
 
     /// Point when the cumulative counters were reset
     Clock::time_point reset_point = Clock::now();
diff --git a/src/core/reporter.cpp b/src/core/reporter.cpp
index 76cfa5a17..0becdf642 100644
--- a/src/core/reporter.cpp
+++ b/src/core/reporter.cpp
@@ -28,8 +28,9 @@
 namespace {
 
 std::string GetPath(std::string_view type, u64 title_id, std::string_view timestamp) {
-    return fmt::format("{}{}/{:016X}_{}.json", FileUtil::GetUserPath(FileUtil::UserPath::LogDir),
-                       type, title_id, timestamp);
+    return fmt::format("{}{}/{:016X}_{}.json",
+                       Common::FS::GetUserPath(Common::FS::UserPath::LogDir), type, title_id,
+                       timestamp);
 }
 
 std::string GetTimestamp() {
@@ -40,13 +41,13 @@ std::string GetTimestamp() {
 using namespace nlohmann;
 
 void SaveToFile(json json, const std::string& filename) {
-    if (!FileUtil::CreateFullPath(filename)) {
+    if (!Common::FS::CreateFullPath(filename)) {
         LOG_ERROR(Core, "Failed to create path for '{}' to save report!", filename);
         return;
     }
 
     std::ofstream file(
-        FileUtil::SanitizePath(filename, FileUtil::DirectorySeparator::PlatformDefault));
+        Common::FS::SanitizePath(filename, Common::FS::DirectorySeparator::PlatformDefault));
     file << std::setw(4) << json << std::endl;
 }
 
diff --git a/src/core/settings.cpp b/src/core/settings.cpp
index e8a6f2a6e..28d3f9099 100644
--- a/src/core/settings.cpp
+++ b/src/core/settings.cpp
@@ -13,56 +13,6 @@
 
 namespace Settings {
 
-namespace NativeButton {
-const std::array<const char*, NumButtons> mapping = {{
-    "button_a",
-    "button_b",
-    "button_x",
-    "button_y",
-    "button_lstick",
-    "button_rstick",
-    "button_l",
-    "button_r",
-    "button_zl",
-    "button_zr",
-    "button_plus",
-    "button_minus",
-    "button_dleft",
-    "button_dup",
-    "button_dright",
-    "button_ddown",
-    "button_lstick_left",
-    "button_lstick_up",
-    "button_lstick_right",
-    "button_lstick_down",
-    "button_rstick_left",
-    "button_rstick_up",
-    "button_rstick_right",
-    "button_rstick_down",
-    "button_sl",
-    "button_sr",
-    "button_home",
-    "button_screenshot",
-}};
-}
-
-namespace NativeAnalog {
-const std::array<const char*, NumAnalogs> mapping = {{
-    "lstick",
-    "rstick",
-}};
-}
-
-namespace NativeMouseButton {
-const std::array<const char*, NumMouseButtons> mapping = {{
-    "left",
-    "right",
-    "middle",
-    "forward",
-    "back",
-}};
-}
-
 Values values = {};
 bool configuring_global = true;
 
@@ -115,13 +65,14 @@ void LogSettings() {
                 values.use_asynchronous_gpu_emulation.GetValue());
     log_setting("Renderer_UseVsync", values.use_vsync.GetValue());
     log_setting("Renderer_UseAssemblyShaders", values.use_assembly_shaders.GetValue());
+    log_setting("Renderer_UseAsynchronousShaders", values.use_asynchronous_shaders.GetValue());
     log_setting("Renderer_AnisotropicFilteringLevel", values.max_anisotropy.GetValue());
     log_setting("Audio_OutputEngine", values.sink_id);
     log_setting("Audio_EnableAudioStretching", values.enable_audio_stretching.GetValue());
     log_setting("Audio_OutputDevice", values.audio_device_id);
     log_setting("DataStorage_UseVirtualSd", values.use_virtual_sd);
-    log_setting("DataStorage_NandDir", FileUtil::GetUserPath(FileUtil::UserPath::NANDDir));
-    log_setting("DataStorage_SdmcDir", FileUtil::GetUserPath(FileUtil::UserPath::SDMCDir));
+    log_setting("DataStorage_NandDir", Common::FS::GetUserPath(Common::FS::UserPath::NANDDir));
+    log_setting("DataStorage_SdmcDir", Common::FS::GetUserPath(Common::FS::UserPath::SDMCDir));
     log_setting("Debugging_UseGdbstub", values.use_gdbstub);
     log_setting("Debugging_GdbstubPort", values.gdbstub_port);
     log_setting("Debugging_ProgramArgs", values.program_args);
@@ -170,8 +121,8 @@ void RestoreGlobalState() {
     values.use_asynchronous_gpu_emulation.SetGlobal(true);
     values.use_vsync.SetGlobal(true);
     values.use_assembly_shaders.SetGlobal(true);
+    values.use_asynchronous_shaders.SetGlobal(true);
     values.use_fast_gpu_time.SetGlobal(true);
-    values.force_30fps_mode.SetGlobal(true);
     values.bg_red.SetGlobal(true);
     values.bg_green.SetGlobal(true);
     values.bg_blue.SetGlobal(true);
diff --git a/src/core/settings.h b/src/core/settings.h
index a64debd25..9834f44bb 100644
--- a/src/core/settings.h
+++ b/src/core/settings.h
@@ -12,340 +12,10 @@
 #include <string>
 #include <vector>
 #include "common/common_types.h"
+#include "input_common/settings.h"
 
 namespace Settings {
 
-namespace NativeButton {
-enum Values {
-    A,
-    B,
-    X,
-    Y,
-    LStick,
-    RStick,
-    L,
-    R,
-    ZL,
-    ZR,
-    Plus,
-    Minus,
-
-    DLeft,
-    DUp,
-    DRight,
-    DDown,
-
-    LStick_Left,
-    LStick_Up,
-    LStick_Right,
-    LStick_Down,
-
-    RStick_Left,
-    RStick_Up,
-    RStick_Right,
-    RStick_Down,
-
-    SL,
-    SR,
-
-    Home,
-    Screenshot,
-
-    NumButtons,
-};
-
-constexpr int BUTTON_HID_BEGIN = A;
-constexpr int BUTTON_NS_BEGIN = Home;
-
-constexpr int BUTTON_HID_END = BUTTON_NS_BEGIN;
-constexpr int BUTTON_NS_END = NumButtons;
-
-constexpr int NUM_BUTTONS_HID = BUTTON_HID_END - BUTTON_HID_BEGIN;
-constexpr int NUM_BUTTONS_NS = BUTTON_NS_END - BUTTON_NS_BEGIN;
-
-extern const std::array<const char*, NumButtons> mapping;
-
-} // namespace NativeButton
-
-namespace NativeAnalog {
-enum Values {
-    LStick,
-    RStick,
-
-    NumAnalogs,
-};
-
-constexpr int STICK_HID_BEGIN = LStick;
-constexpr int STICK_HID_END = NumAnalogs;
-constexpr int NUM_STICKS_HID = NumAnalogs;
-
-extern const std::array<const char*, NumAnalogs> mapping;
-} // namespace NativeAnalog
-
-namespace NativeMouseButton {
-enum Values {
-    Left,
-    Right,
-    Middle,
-    Forward,
-    Back,
-
-    NumMouseButtons,
-};
-
-constexpr int MOUSE_HID_BEGIN = Left;
-constexpr int MOUSE_HID_END = NumMouseButtons;
-constexpr int NUM_MOUSE_HID = NumMouseButtons;
-
-extern const std::array<const char*, NumMouseButtons> mapping;
-} // namespace NativeMouseButton
-
-namespace NativeKeyboard {
-enum Keys {
-    None,
-    Error,
-
-    A = 4,
-    B,
-    C,
-    D,
-    E,
-    F,
-    G,
-    H,
-    I,
-    J,
-    K,
-    L,
-    M,
-    N,
-    O,
-    P,
-    Q,
-    R,
-    S,
-    T,
-    U,
-    V,
-    W,
-    X,
-    Y,
-    Z,
-    N1,
-    N2,
-    N3,
-    N4,
-    N5,
-    N6,
-    N7,
-    N8,
-    N9,
-    N0,
-    Enter,
-    Escape,
-    Backspace,
-    Tab,
-    Space,
-    Minus,
-    Equal,
-    LeftBrace,
-    RightBrace,
-    Backslash,
-    Tilde,
-    Semicolon,
-    Apostrophe,
-    Grave,
-    Comma,
-    Dot,
-    Slash,
-    CapsLockKey,
-
-    F1,
-    F2,
-    F3,
-    F4,
-    F5,
-    F6,
-    F7,
-    F8,
-    F9,
-    F10,
-    F11,
-    F12,
-
-    SystemRequest,
-    ScrollLockKey,
-    Pause,
-    Insert,
-    Home,
-    PageUp,
-    Delete,
-    End,
-    PageDown,
-    Right,
-    Left,
-    Down,
-    Up,
-
-    NumLockKey,
-    KPSlash,
-    KPAsterisk,
-    KPMinus,
-    KPPlus,
-    KPEnter,
-    KP1,
-    KP2,
-    KP3,
-    KP4,
-    KP5,
-    KP6,
-    KP7,
-    KP8,
-    KP9,
-    KP0,
-    KPDot,
-
-    Key102,
-    Compose,
-    Power,
-    KPEqual,
-
-    F13,
-    F14,
-    F15,
-    F16,
-    F17,
-    F18,
-    F19,
-    F20,
-    F21,
-    F22,
-    F23,
-    F24,
-
-    Open,
-    Help,
-    Properties,
-    Front,
-    Stop,
-    Repeat,
-    Undo,
-    Cut,
-    Copy,
-    Paste,
-    Find,
-    Mute,
-    VolumeUp,
-    VolumeDown,
-    CapsLockActive,
-    NumLockActive,
-    ScrollLockActive,
-    KPComma,
-
-    KPLeftParenthesis,
-    KPRightParenthesis,
-
-    LeftControlKey = 0xE0,
-    LeftShiftKey,
-    LeftAltKey,
-    LeftMetaKey,
-    RightControlKey,
-    RightShiftKey,
-    RightAltKey,
-    RightMetaKey,
-
-    MediaPlayPause,
-    MediaStopCD,
-    MediaPrevious,
-    MediaNext,
-    MediaEject,
-    MediaVolumeUp,
-    MediaVolumeDown,
-    MediaMute,
-    MediaWebsite,
-    MediaBack,
-    MediaForward,
-    MediaStop,
-    MediaFind,
-    MediaScrollUp,
-    MediaScrollDown,
-    MediaEdit,
-    MediaSleep,
-    MediaCoffee,
-    MediaRefresh,
-    MediaCalculator,
-
-    NumKeyboardKeys,
-};
-
-static_assert(NumKeyboardKeys == 0xFC, "Incorrect number of keyboard keys.");
-
-enum Modifiers {
-    LeftControl,
-    LeftShift,
-    LeftAlt,
-    LeftMeta,
-    RightControl,
-    RightShift,
-    RightAlt,
-    RightMeta,
-    CapsLock,
-    ScrollLock,
-    NumLock,
-
-    NumKeyboardMods,
-};
-
-constexpr int KEYBOARD_KEYS_HID_BEGIN = None;
-constexpr int KEYBOARD_KEYS_HID_END = NumKeyboardKeys;
-constexpr int NUM_KEYBOARD_KEYS_HID = NumKeyboardKeys;
-
-constexpr int KEYBOARD_MODS_HID_BEGIN = LeftControl;
-constexpr int KEYBOARD_MODS_HID_END = NumKeyboardMods;
-constexpr int NUM_KEYBOARD_MODS_HID = NumKeyboardMods;
-
-} // namespace NativeKeyboard
-
-using ButtonsRaw = std::array<std::string, NativeButton::NumButtons>;
-using AnalogsRaw = std::array<std::string, NativeAnalog::NumAnalogs>;
-using MouseButtonsRaw = std::array<std::string, NativeMouseButton::NumMouseButtons>;
-using KeyboardKeysRaw = std::array<std::string, NativeKeyboard::NumKeyboardKeys>;
-using KeyboardModsRaw = std::array<std::string, NativeKeyboard::NumKeyboardMods>;
-
-constexpr u32 JOYCON_BODY_NEON_RED = 0xFF3C28;
-constexpr u32 JOYCON_BUTTONS_NEON_RED = 0x1E0A0A;
-constexpr u32 JOYCON_BODY_NEON_BLUE = 0x0AB9E6;
-constexpr u32 JOYCON_BUTTONS_NEON_BLUE = 0x001E1E;
-
-enum class ControllerType {
-    ProController,
-    DualJoycon,
-    RightJoycon,
-    LeftJoycon,
-};
-
-struct PlayerInput {
-    bool connected;
-    ControllerType type;
-    ButtonsRaw buttons;
-    AnalogsRaw analogs;
-
-    u32 body_color_right;
-    u32 button_color_right;
-    u32 body_color_left;
-    u32 button_color_left;
-};
-
-struct TouchscreenInput {
-    bool enabled;
-    std::string device;
-
-    u32 finger;
-    u32 diameter_x;
-    u32 diameter_y;
-    u32 rotation_angle;
-};
-
 enum class RendererBackend {
     OpenGL = 0,
     Vulkan = 1,
@@ -359,7 +29,8 @@ enum class GPUAccuracy : u32 {
 
 enum class CPUAccuracy {
     Accurate = 0,
-    DebugMode = 1,
+    Unsafe = 1,
+    DebugMode = 2,
 };
 
 extern bool configuring_global;
@@ -396,6 +67,11 @@ private:
     Type local{};
 };
 
+struct TouchFromButtonMap {
+    std::string name;
+    std::vector<std::string> buttons;
+};
+
 struct Values {
     // Audio
     std::string audio_device_id;
@@ -419,6 +95,9 @@ struct Values {
     bool cpuopt_misc_ir;
     bool cpuopt_reduce_misalign_checks;
 
+    bool cpuopt_unsafe_unfuse_fma;
+    bool cpuopt_unsafe_reduce_fp_error;
+
     // Renderer
     Setting<RendererBackend> renderer_backend;
     bool renderer_debug;
@@ -434,7 +113,7 @@ struct Values {
     Setting<bool> use_asynchronous_gpu_emulation;
     Setting<bool> use_vsync;
     Setting<bool> use_assembly_shaders;
-    Setting<bool> force_30fps_mode;
+    Setting<bool> use_asynchronous_shaders;
     Setting<bool> use_fast_gpu_time;
 
     Setting<float> bg_red;
@@ -457,6 +136,8 @@ struct Values {
     // Controls
     std::array<PlayerInput, 10> players;
 
+    bool use_docked_mode;
+
     bool mouse_enabled;
     std::string mouse_device;
     MouseButtonsRaw mouse_buttons;
@@ -469,14 +150,19 @@ struct Values {
     ButtonsRaw debug_pad_buttons;
     AnalogsRaw debug_pad_analogs;
 
+    bool vibration_enabled;
+
+    bool motion_enabled;
     std::string motion_device;
+    std::string touch_device;
     TouchscreenInput touchscreen;
     std::atomic_bool is_device_reload_pending{true};
+    bool use_touch_from_button;
+    int touch_from_button_map_index;
     std::string udp_input_address;
     u16 udp_input_port;
     u8 udp_pad_index;
-
-    bool use_docked_mode;
+    std::vector<TouchFromButtonMap> touch_from_button_maps;
 
     // Data Storage
     bool use_virtual_sd;
diff --git a/src/core/telemetry_session.cpp b/src/core/telemetry_session.cpp
index 78915e6db..da09c0dbc 100644
--- a/src/core/telemetry_session.cpp
+++ b/src/core/telemetry_session.cpp
@@ -25,6 +25,8 @@
 
 namespace Core {
 
+namespace Telemetry = Common::Telemetry;
+
 static u64 GenerateTelemetryId() {
     u64 telemetry_id{};
 
@@ -70,12 +72,12 @@ static const char* TranslateGPUAccuracyLevel(Settings::GPUAccuracy backend) {
 
 u64 GetTelemetryId() {
     u64 telemetry_id{};
-    const std::string filename{FileUtil::GetUserPath(FileUtil::UserPath::ConfigDir) +
+    const std::string filename{Common::FS::GetUserPath(Common::FS::UserPath::ConfigDir) +
                                "telemetry_id"};
 
-    bool generate_new_id = !FileUtil::Exists(filename);
+    bool generate_new_id = !Common::FS::Exists(filename);
     if (!generate_new_id) {
-        FileUtil::IOFile file(filename, "rb");
+        Common::FS::IOFile file(filename, "rb");
         if (!file.IsOpen()) {
             LOG_ERROR(Core, "failed to open telemetry_id: {}", filename);
             return {};
@@ -88,7 +90,7 @@ u64 GetTelemetryId() {
     }
 
     if (generate_new_id) {
-        FileUtil::IOFile file(filename, "wb");
+        Common::FS::IOFile file(filename, "wb");
         if (!file.IsOpen()) {
             LOG_ERROR(Core, "failed to open telemetry_id: {}", filename);
             return {};
@@ -102,10 +104,10 @@ u64 GetTelemetryId() {
 
 u64 RegenerateTelemetryId() {
     const u64 new_telemetry_id{GenerateTelemetryId()};
-    const std::string filename{FileUtil::GetUserPath(FileUtil::UserPath::ConfigDir) +
+    const std::string filename{Common::FS::GetUserPath(Common::FS::UserPath::ConfigDir) +
                                "telemetry_id"};
 
-    FileUtil::IOFile file(filename, "wb");
+    Common::FS::IOFile file(filename, "wb");
     if (!file.IsOpen()) {
         LOG_ERROR(Core, "failed to open telemetry_id: {}", filename);
         return {};
@@ -207,6 +209,8 @@ void TelemetrySession::AddInitialInfo(Loader::AppLoader& app_loader) {
     AddField(field_type, "Renderer_UseVsync", Settings::values.use_vsync.GetValue());
     AddField(field_type, "Renderer_UseAssemblyShaders",
              Settings::values.use_assembly_shaders.GetValue());
+    AddField(field_type, "Renderer_UseAsynchronousShaders",
+             Settings::values.use_asynchronous_shaders.GetValue());
     AddField(field_type, "System_UseDockedMode", Settings::values.use_docked_mode);
 }
 
diff --git a/src/core/telemetry_session.h b/src/core/telemetry_session.h
index 17ac22377..66789d4bd 100644
--- a/src/core/telemetry_session.h
+++ b/src/core/telemetry_session.h
@@ -52,7 +52,7 @@ public:
      * @param value Value for the field to add.
      */
     template <typename T>
-    void AddField(Telemetry::FieldType type, const char* name, T value) {
+    void AddField(Common::Telemetry::FieldType type, const char* name, T value) {
         field_collection.AddField(type, name, std::move(value));
     }
 
@@ -63,7 +63,8 @@ public:
     bool SubmitTestcase();
 
 private:
-    Telemetry::FieldCollection field_collection; ///< Tracks all added fields for the session
+    /// Tracks all added fields for the session
+    Common::Telemetry::FieldCollection field_collection;
 };
 
 /**
diff --git a/src/core/tools/freezer.cpp b/src/core/tools/freezer.cpp
index 8b0c50d11..5c674a099 100644
--- a/src/core/tools/freezer.cpp
+++ b/src/core/tools/freezer.cpp
@@ -14,7 +14,7 @@
 namespace Tools {
 namespace {
 
-constexpr s64 MEMORY_FREEZER_TICKS = static_cast<s64>(1000000000 / 60);
+constexpr auto memory_freezer_ns = std::chrono::nanoseconds{1000000000 / 60};
 
 u64 MemoryReadWidth(Core::Memory::Memory& memory, u32 width, VAddr addr) {
     switch (width) {
@@ -57,8 +57,10 @@ Freezer::Freezer(Core::Timing::CoreTiming& core_timing_, Core::Memory::Memory& m
     : core_timing{core_timing_}, memory{memory_} {
     event = Core::Timing::CreateEvent(
         "MemoryFreezer::FrameCallback",
-        [this](u64 userdata, s64 ns_late) { FrameCallback(userdata, ns_late); });
-    core_timing.ScheduleEvent(MEMORY_FREEZER_TICKS, event);
+        [this](std::uintptr_t user_data, std::chrono::nanoseconds ns_late) {
+            FrameCallback(user_data, ns_late);
+        });
+    core_timing.ScheduleEvent(memory_freezer_ns, event);
 }
 
 Freezer::~Freezer() {
@@ -68,7 +70,7 @@ Freezer::~Freezer() {
 void Freezer::SetActive(bool active) {
     if (!this->active.exchange(active)) {
         FillEntryReads();
-        core_timing.ScheduleEvent(MEMORY_FREEZER_TICKS, event);
+        core_timing.ScheduleEvent(memory_freezer_ns, event);
         LOG_DEBUG(Common_Memory, "Memory freezer activated!");
     } else {
         LOG_DEBUG(Common_Memory, "Memory freezer deactivated!");
@@ -105,28 +107,21 @@ void Freezer::Unfreeze(VAddr address) {
 
     LOG_DEBUG(Common_Memory, "Unfreezing memory for address={:016X}", address);
 
-    entries.erase(
-        std::remove_if(entries.begin(), entries.end(),
-                       [&address](const Entry& entry) { return entry.address == address; }),
-        entries.end());
+    std::erase_if(entries, [address](const Entry& entry) { return entry.address == address; });
 }
 
 bool Freezer::IsFrozen(VAddr address) const {
     std::lock_guard lock{entries_mutex};
 
-    return std::find_if(entries.begin(), entries.end(), [&address](const Entry& entry) {
-               return entry.address == address;
-           }) != entries.end();
+    return FindEntry(address) != entries.cend();
 }
 
 void Freezer::SetFrozenValue(VAddr address, u64 value) {
     std::lock_guard lock{entries_mutex};
 
-    const auto iter = std::find_if(entries.begin(), entries.end(), [&address](const Entry& entry) {
-        return entry.address == address;
-    });
+    const auto iter = FindEntry(address);
 
-    if (iter == entries.end()) {
+    if (iter == entries.cend()) {
         LOG_ERROR(Common_Memory,
                   "Tried to set freeze value for address={:016X} that is not frozen!", address);
         return;
@@ -141,11 +136,9 @@ void Freezer::SetFrozenValue(VAddr address, u64 value) {
 std::optional<Freezer::Entry> Freezer::GetEntry(VAddr address) const {
     std::lock_guard lock{entries_mutex};
 
-    const auto iter = std::find_if(entries.begin(), entries.end(), [&address](const Entry& entry) {
-        return entry.address == address;
-    });
+    const auto iter = FindEntry(address);
 
-    if (iter == entries.end()) {
+    if (iter == entries.cend()) {
         return std::nullopt;
     }
 
@@ -158,7 +151,17 @@ std::vector<Freezer::Entry> Freezer::GetEntries() const {
     return entries;
 }
 
-void Freezer::FrameCallback(u64 userdata, s64 ns_late) {
+Freezer::Entries::iterator Freezer::FindEntry(VAddr address) {
+    return std::find_if(entries.begin(), entries.end(),
+                        [address](const Entry& entry) { return entry.address == address; });
+}
+
+Freezer::Entries::const_iterator Freezer::FindEntry(VAddr address) const {
+    return std::find_if(entries.begin(), entries.end(),
+                        [address](const Entry& entry) { return entry.address == address; });
+}
+
+void Freezer::FrameCallback(std::uintptr_t, std::chrono::nanoseconds ns_late) {
     if (!IsActive()) {
         LOG_DEBUG(Common_Memory, "Memory freezer has been deactivated, ending callback events.");
         return;
@@ -173,7 +176,7 @@ void Freezer::FrameCallback(u64 userdata, s64 ns_late) {
         MemoryWriteWidth(memory, entry.width, entry.address, entry.value);
     }
 
-    core_timing.ScheduleEvent(MEMORY_FREEZER_TICKS - ns_late, event);
+    core_timing.ScheduleEvent(memory_freezer_ns - ns_late, event);
 }
 
 void Freezer::FillEntryReads() {
diff --git a/src/core/tools/freezer.h b/src/core/tools/freezer.h
index 62fc6aa6c..0fdb701a7 100644
--- a/src/core/tools/freezer.h
+++ b/src/core/tools/freezer.h
@@ -5,6 +5,7 @@
 #pragma once
 
 #include <atomic>
+#include <chrono>
 #include <memory>
 #include <mutex>
 #include <optional>
@@ -72,13 +73,18 @@ public:
     std::vector<Entry> GetEntries() const;
 
 private:
-    void FrameCallback(u64 userdata, s64 cycles_late);
+    using Entries = std::vector<Entry>;
+
+    Entries::iterator FindEntry(VAddr address);
+    Entries::const_iterator FindEntry(VAddr address) const;
+
+    void FrameCallback(std::uintptr_t user_data, std::chrono::nanoseconds ns_late);
     void FillEntryReads();
 
     std::atomic_bool active{false};
 
     mutable std::mutex entries_mutex;
-    std::vector<Entry> entries;
+    Entries entries;
 
     std::shared_ptr<Core::Timing::EventType> event;
     Core::Timing::CoreTiming& core_timing;