42 files changed, 1129 insertions, 526 deletions

diff --git a/src/core/hle/service/acc/acc.cpp b/src/core/hle/service/acc/acc.cpp
index f21553644..fad111d44 100644
--- a/src/core/hle/service/acc/acc.cpp
+++ b/src/core/hle/service/acc/acc.cpp
@@ -25,8 +25,8 @@
 #include "core/hle/service/acc/async_context.h"
 #include "core/hle/service/acc/errors.h"
 #include "core/hle/service/acc/profile_manager.h"
+#include "core/hle/service/cmif_serialization.h"
 #include "core/hle/service/glue/glue_manager.h"
-#include "core/hle/service/ipc_helpers.h"
 #include "core/hle/service/server_manager.h"
 #include "core/loader/loader.h"
 
@@ -74,12 +74,12 @@ static void SanitizeJPEGImageSize(std::vector<u8>& image) {
 
 class IManagerForSystemService final : public ServiceFramework<IManagerForSystemService> {
 public:
-    explicit IManagerForSystemService(Core::System& system_, Common::UUID)
-        : ServiceFramework{system_, "IManagerForSystemService"} {
+    explicit IManagerForSystemService(Core::System& system_, Common::UUID uuid)
+        : ServiceFramework{system_, "IManagerForSystemService"}, account_id{uuid} {
         // clang-format off
         static const FunctionInfo functions[] = {
-            {0, &IManagerForSystemService::CheckAvailability, "CheckAvailability"},
-            {1, nullptr, "GetAccountId"},
+            {0, D<&IManagerForSystemService::CheckAvailability>, "CheckAvailability"},
+            {1, D<&IManagerForSystemService::GetAccountId>, "GetAccountId"},
             {2, nullptr, "EnsureIdTokenCacheAsync"},
             {3, nullptr, "LoadIdTokenCache"},
             {100, nullptr, "SetSystemProgramIdentification"},
@@ -109,11 +109,18 @@ public:
     }
 
 private:
-    void CheckAvailability(HLERequestContext& ctx) {
+    Result CheckAvailability() {
         LOG_WARNING(Service_ACC, "(STUBBED) called");
-        IPC::ResponseBuilder rb{ctx, 2};
-        rb.Push(ResultSuccess);
+        R_SUCCEED();
     }
+
+    Result GetAccountId(Out<u64> out_account_id) {
+        LOG_WARNING(Service_ACC, "(STUBBED) called");
+        *out_account_id = account_id.Hash();
+        R_SUCCEED();
+    }
+
+    Common::UUID account_id;
 };
 
 // 3.0.0+
diff --git a/src/core/hle/service/acc/acc_u1.cpp b/src/core/hle/service/acc/acc_u1.cpp
index 92f704c2f..eecc94387 100644
--- a/src/core/hle/service/acc/acc_u1.cpp
+++ b/src/core/hle/service/acc/acc_u1.cpp
@@ -23,7 +23,7 @@ ACC_U1::ACC_U1(std::shared_ptr<Module> module_, std::shared_ptr<ProfileManager>
         {99, nullptr, "DebugActivateOpenContextRetention"},
         {100, nullptr, "GetUserRegistrationNotifier"},
         {101, nullptr, "GetUserStateChangeNotifier"},
-        {102, nullptr, "GetBaasAccountManagerForSystemService"},
+        {102, &ACC_U1::GetBaasAccountManagerForSystemService, "GetBaasAccountManagerForSystemService"},
         {103, nullptr, "GetBaasUserAvailabilityChangeNotifier"},
         {104, nullptr, "GetProfileUpdateNotifier"},
         {105, nullptr, "CheckNetworkServiceAvailabilityAsync"},
diff --git a/src/core/hle/service/am/am_types.h b/src/core/hle/service/am/am_types.h
index 46afb3996..a14defb40 100644
--- a/src/core/hle/service/am/am_types.h
+++ b/src/core/hle/service/am/am_types.h
@@ -48,11 +48,6 @@ enum class SystemButtonType {
     CaptureButtonLongPressing,
 };
 
-enum class SysPlatformRegion : s32 {
-    Global = 1,
-    Terra = 2,
-};
-
 struct AppletProcessLaunchReason {
     u8 flag;
     INSERT_PADDING_BYTES(3);
diff --git a/src/core/hle/service/am/service/common_state_getter.cpp b/src/core/hle/service/am/service/common_state_getter.cpp
index 548498e83..a32855ffa 100644
--- a/src/core/hle/service/am/service/common_state_getter.cpp
+++ b/src/core/hle/service/am/service/common_state_getter.cpp
@@ -260,9 +260,9 @@ Result ICommonStateGetter::GetAppletLaunchedHistory(
 }
 
 Result ICommonStateGetter::GetSettingsPlatformRegion(
-    Out<SysPlatformRegion> out_settings_platform_region) {
+    Out<Set::PlatformRegion> out_settings_platform_region) {
     LOG_INFO(Service_AM, "called");
-    *out_settings_platform_region = SysPlatformRegion::Global;
+    *out_settings_platform_region = Set::PlatformRegion::Global;
     R_SUCCEED();
 }
 
diff --git a/src/core/hle/service/am/service/common_state_getter.h b/src/core/hle/service/am/service/common_state_getter.h
index 5a8dca3d6..59a46fa94 100644
--- a/src/core/hle/service/am/service/common_state_getter.h
+++ b/src/core/hle/service/am/service/common_state_getter.h
@@ -8,6 +8,7 @@
 #include "core/hle/service/cmif_types.h"
 #include "core/hle/service/pm/pm.h"
 #include "core/hle/service/service.h"
+#include "core/hle/service/set/settings_types.h"
 
 namespace Kernel {
 class KReadableEvent;
@@ -50,7 +51,7 @@ private:
     Result GetOperationModeSystemInfo(Out<u32> out_operation_mode_system_info);
     Result GetAppletLaunchedHistory(Out<s32> out_count,
                                     OutArray<AppletId, BufferAttr_HipcMapAlias> out_applet_ids);
-    Result GetSettingsPlatformRegion(Out<SysPlatformRegion> out_settings_platform_region);
+    Result GetSettingsPlatformRegion(Out<Set::PlatformRegion> out_settings_platform_region);
     Result SetRequestExitToLibraryAppletAtExecuteNextProgramEnabled();
 
     void SetCpuBoostMode(HLERequestContext& ctx);
diff --git a/src/core/hle/service/aoc/addon_content_manager.cpp b/src/core/hle/service/aoc/addon_content_manager.cpp
new file mode 100644
index 000000000..d47f57d64
--- /dev/null
+++ b/src/core/hle/service/aoc/addon_content_manager.cpp
@@ -0,0 +1,223 @@
+// SPDX-FileCopyrightText: Copyright 2018 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include <algorithm>
+#include <numeric>
+#include <vector>
+
+#include "common/logging/log.h"
+#include "common/settings.h"
+#include "core/core.h"
+#include "core/file_sys/common_funcs.h"
+#include "core/file_sys/content_archive.h"
+#include "core/file_sys/control_metadata.h"
+#include "core/file_sys/nca_metadata.h"
+#include "core/file_sys/patch_manager.h"
+#include "core/file_sys/registered_cache.h"
+#include "core/hle/kernel/k_event.h"
+#include "core/hle/service/aoc/addon_content_manager.h"
+#include "core/hle/service/aoc/purchase_event_manager.h"
+#include "core/hle/service/cmif_serialization.h"
+#include "core/hle/service/ipc_helpers.h"
+#include "core/hle/service/server_manager.h"
+#include "core/loader/loader.h"
+
+namespace Service::AOC {
+
+static bool CheckAOCTitleIDMatchesBase(u64 title_id, u64 base) {
+    return FileSys::GetBaseTitleID(title_id) == base;
+}
+
+static std::vector<u64> AccumulateAOCTitleIDs(Core::System& system) {
+    std::vector<u64> add_on_content;
+    const auto& rcu = system.GetContentProvider();
+    const auto list =
+        rcu.ListEntriesFilter(FileSys::TitleType::AOC, FileSys::ContentRecordType::Data);
+    std::transform(list.begin(), list.end(), std::back_inserter(add_on_content),
+                   [](const FileSys::ContentProviderEntry& rce) { return rce.title_id; });
+    add_on_content.erase(
+        std::remove_if(
+            add_on_content.begin(), add_on_content.end(),
+            [&rcu](u64 tid) {
+                return rcu.GetEntry(tid, FileSys::ContentRecordType::Data)->GetStatus() !=
+                       Loader::ResultStatus::Success;
+            }),
+        add_on_content.end());
+    return add_on_content;
+}
+
+IAddOnContentManager::IAddOnContentManager(Core::System& system_)
+    : ServiceFramework{system_, "aoc:u"}, add_on_content{AccumulateAOCTitleIDs(system)},
+      service_context{system_, "aoc:u"} {
+    // clang-format off
+    static const FunctionInfo functions[] = {
+        {0, nullptr, "CountAddOnContentByApplicationId"},
+        {1, nullptr, "ListAddOnContentByApplicationId"},
+        {2, D<&IAddOnContentManager::CountAddOnContent>, "CountAddOnContent"},
+        {3, D<&IAddOnContentManager::ListAddOnContent>, "ListAddOnContent"},
+        {4, nullptr, "GetAddOnContentBaseIdByApplicationId"},
+        {5, D<&IAddOnContentManager::GetAddOnContentBaseId>, "GetAddOnContentBaseId"},
+        {6, nullptr, "PrepareAddOnContentByApplicationId"},
+        {7, D<&IAddOnContentManager::PrepareAddOnContent>, "PrepareAddOnContent"},
+        {8, D<&IAddOnContentManager::GetAddOnContentListChangedEvent>, "GetAddOnContentListChangedEvent"},
+        {9, nullptr, "GetAddOnContentLostErrorCode"},
+        {10, D<&IAddOnContentManager::GetAddOnContentListChangedEventWithProcessId>, "GetAddOnContentListChangedEventWithProcessId"},
+        {11, D<&IAddOnContentManager::NotifyMountAddOnContent>, "NotifyMountAddOnContent"},
+        {12, D<&IAddOnContentManager::NotifyUnmountAddOnContent>, "NotifyUnmountAddOnContent"},
+        {13, nullptr, "IsAddOnContentMountedForDebug"},
+        {50, D<&IAddOnContentManager::CheckAddOnContentMountStatus>, "CheckAddOnContentMountStatus"},
+        {100, D<&IAddOnContentManager::CreateEcPurchasedEventManager>, "CreateEcPurchasedEventManager"},
+        {101, D<&IAddOnContentManager::CreatePermanentEcPurchasedEventManager>, "CreatePermanentEcPurchasedEventManager"},
+        {110, nullptr, "CreateContentsServiceManager"},
+        {200, nullptr, "SetRequiredAddOnContentsOnContentsAvailabilityTransition"},
+        {300, nullptr, "SetupHostAddOnContent"},
+        {301, nullptr, "GetRegisteredAddOnContentPath"},
+        {302, nullptr, "UpdateCachedList"},
+    };
+    // clang-format on
+
+    RegisterHandlers(functions);
+
+    aoc_change_event = service_context.CreateEvent("GetAddOnContentListChanged:Event");
+}
+
+IAddOnContentManager::~IAddOnContentManager() {
+    service_context.CloseEvent(aoc_change_event);
+}
+
+Result IAddOnContentManager::CountAddOnContent(Out<u32> out_count, ClientProcessId process_id) {
+    LOG_DEBUG(Service_AOC, "called. process_id={}", process_id.pid);
+
+    const auto current = system.GetApplicationProcessProgramID();
+
+    const auto& disabled = Settings::values.disabled_addons[current];
+    if (std::find(disabled.begin(), disabled.end(), "DLC") != disabled.end()) {
+        *out_count = 0;
+        R_SUCCEED();
+    }
+
+    *out_count = static_cast<u32>(
+        std::count_if(add_on_content.begin(), add_on_content.end(),
+                      [current](u64 tid) { return CheckAOCTitleIDMatchesBase(tid, current); }));
+
+    R_SUCCEED();
+}
+
+Result IAddOnContentManager::ListAddOnContent(Out<u32> out_count,
+                                              OutBuffer<BufferAttr_HipcMapAlias> out_addons,
+                                              u32 offset, u32 count, ClientProcessId process_id) {
+    LOG_DEBUG(Service_AOC, "called with offset={}, count={}, process_id={}", offset, count,
+              process_id.pid);
+
+    const auto current = FileSys::GetBaseTitleID(system.GetApplicationProcessProgramID());
+
+    std::vector<u32> out;
+    const auto& disabled = Settings::values.disabled_addons[current];
+    if (std::find(disabled.begin(), disabled.end(), "DLC") == disabled.end()) {
+        for (u64 content_id : add_on_content) {
+            if (FileSys::GetBaseTitleID(content_id) != current) {
+                continue;
+            }
+
+            out.push_back(static_cast<u32>(FileSys::GetAOCID(content_id)));
+        }
+    }
+
+    // TODO(DarkLordZach): Find the correct error code.
+    R_UNLESS(out.size() >= offset, ResultUnknown);
+
+    *out_count = static_cast<u32>(std::min<size_t>(out.size() - offset, count));
+    std::rotate(out.begin(), out.begin() + offset, out.end());
+
+    std::memcpy(out_addons.data(), out.data(), *out_count * sizeof(u32));
+
+    R_SUCCEED();
+}
+
+Result IAddOnContentManager::GetAddOnContentBaseId(Out<u64> out_title_id,
+                                                   ClientProcessId process_id) {
+    LOG_DEBUG(Service_AOC, "called. process_id={}", process_id.pid);
+
+    const auto title_id = system.GetApplicationProcessProgramID();
+    const FileSys::PatchManager pm{title_id, system.GetFileSystemController(),
+                                   system.GetContentProvider()};
+
+    const auto res = pm.GetControlMetadata();
+    if (res.first == nullptr) {
+        *out_title_id = FileSys::GetAOCBaseTitleID(title_id);
+        R_SUCCEED();
+    }
+
+    *out_title_id = res.first->GetDLCBaseTitleId();
+
+    R_SUCCEED();
+}
+
+Result IAddOnContentManager::PrepareAddOnContent(s32 addon_index, ClientProcessId process_id) {
+    LOG_WARNING(Service_AOC, "(STUBBED) called with addon_index={}, process_id={}", addon_index,
+                process_id.pid);
+
+    R_SUCCEED();
+}
+
+Result IAddOnContentManager::GetAddOnContentListChangedEvent(
+    OutCopyHandle<Kernel::KReadableEvent> out_event) {
+    LOG_WARNING(Service_AOC, "(STUBBED) called");
+
+    *out_event = &aoc_change_event->GetReadableEvent();
+
+    R_SUCCEED();
+}
+
+Result IAddOnContentManager::GetAddOnContentListChangedEventWithProcessId(
+    OutCopyHandle<Kernel::KReadableEvent> out_event, ClientProcessId process_id) {
+    LOG_WARNING(Service_AOC, "(STUBBED) called");
+
+    *out_event = &aoc_change_event->GetReadableEvent();
+
+    R_SUCCEED();
+}
+
+Result IAddOnContentManager::NotifyMountAddOnContent() {
+    LOG_WARNING(Service_AOC, "(STUBBED) called");
+
+    R_SUCCEED();
+}
+
+Result IAddOnContentManager::NotifyUnmountAddOnContent() {
+    LOG_WARNING(Service_AOC, "(STUBBED) called");
+
+    R_SUCCEED();
+}
+
+Result IAddOnContentManager::CheckAddOnContentMountStatus() {
+    LOG_WARNING(Service_AOC, "(STUBBED) called");
+
+    R_SUCCEED();
+}
+
+Result IAddOnContentManager::CreateEcPurchasedEventManager(
+    OutInterface<IPurchaseEventManager> out_interface) {
+    LOG_WARNING(Service_AOC, "(STUBBED) called");
+
+    *out_interface = std::make_shared<IPurchaseEventManager>(system);
+
+    R_SUCCEED();
+}
+
+Result IAddOnContentManager::CreatePermanentEcPurchasedEventManager(
+    OutInterface<IPurchaseEventManager> out_interface) {
+    LOG_WARNING(Service_AOC, "(STUBBED) called");
+
+    *out_interface = std::make_shared<IPurchaseEventManager>(system);
+
+    R_SUCCEED();
+}
+
+void LoopProcess(Core::System& system) {
+    auto server_manager = std::make_unique<ServerManager>(system);
+    server_manager->RegisterNamedService("aoc:u", std::make_shared<IAddOnContentManager>(system));
+    ServerManager::RunServer(std::move(server_manager));
+}
+
+} // namespace Service::AOC
diff --git a/src/core/hle/service/aoc/addon_content_manager.h b/src/core/hle/service/aoc/addon_content_manager.h
new file mode 100644
index 000000000..91857df4c
--- /dev/null
+++ b/src/core/hle/service/aoc/addon_content_manager.h
@@ -0,0 +1,51 @@
+// SPDX-FileCopyrightText: Copyright 2018 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+#include "core/hle/service/cmif_types.h"
+#include "core/hle/service/kernel_helpers.h"
+#include "core/hle/service/service.h"
+
+namespace Core {
+class System;
+}
+
+namespace Kernel {
+class KEvent;
+}
+
+namespace Service::AOC {
+
+class IPurchaseEventManager;
+
+class IAddOnContentManager final : public ServiceFramework<IAddOnContentManager> {
+public:
+    explicit IAddOnContentManager(Core::System& system);
+    ~IAddOnContentManager() override;
+
+    Result CountAddOnContent(Out<u32> out_count, ClientProcessId process_id);
+    Result ListAddOnContent(Out<u32> out_count, OutBuffer<BufferAttr_HipcMapAlias> out_addons,
+                            u32 offset, u32 count, ClientProcessId process_id);
+    Result GetAddOnContentBaseId(Out<u64> out_title_id, ClientProcessId process_id);
+    Result PrepareAddOnContent(s32 addon_index, ClientProcessId process_id);
+    Result GetAddOnContentListChangedEvent(OutCopyHandle<Kernel::KReadableEvent> out_event);
+    Result GetAddOnContentListChangedEventWithProcessId(
+        OutCopyHandle<Kernel::KReadableEvent> out_event, ClientProcessId process_id);
+    Result NotifyMountAddOnContent();
+    Result NotifyUnmountAddOnContent();
+    Result CheckAddOnContentMountStatus();
+    Result CreateEcPurchasedEventManager(OutInterface<IPurchaseEventManager> out_interface);
+    Result CreatePermanentEcPurchasedEventManager(
+        OutInterface<IPurchaseEventManager> out_interface);
+
+private:
+    std::vector<u64> add_on_content;
+    KernelHelpers::ServiceContext service_context;
+
+    Kernel::KEvent* aoc_change_event;
+};
+
+void LoopProcess(Core::System& system);
+
+} // namespace Service::AOC
diff --git a/src/core/hle/service/aoc/aoc_u.cpp b/src/core/hle/service/aoc/aoc_u.cpp
deleted file mode 100644
index 486719cc0..000000000
--- a/src/core/hle/service/aoc/aoc_u.cpp
+++ /dev/null
@@ -1,340 +0,0 @@
-// SPDX-FileCopyrightText: Copyright 2018 yuzu Emulator Project
-// SPDX-License-Identifier: GPL-2.0-or-later
-
-#include <algorithm>
-#include <numeric>
-#include <vector>
-
-#include "common/logging/log.h"
-#include "common/settings.h"
-#include "core/core.h"
-#include "core/file_sys/common_funcs.h"
-#include "core/file_sys/content_archive.h"
-#include "core/file_sys/control_metadata.h"
-#include "core/file_sys/nca_metadata.h"
-#include "core/file_sys/patch_manager.h"
-#include "core/file_sys/registered_cache.h"
-#include "core/hle/kernel/k_event.h"
-#include "core/hle/service/aoc/aoc_u.h"
-#include "core/hle/service/ipc_helpers.h"
-#include "core/hle/service/server_manager.h"
-#include "core/loader/loader.h"
-
-namespace Service::AOC {
-
-constexpr Result ResultNoPurchasedProductInfoAvailable{ErrorModule::NIMShop, 400};
-
-static bool CheckAOCTitleIDMatchesBase(u64 title_id, u64 base) {
-    return FileSys::GetBaseTitleID(title_id) == base;
-}
-
-static std::vector<u64> AccumulateAOCTitleIDs(Core::System& system) {
-    std::vector<u64> add_on_content;
-    const auto& rcu = system.GetContentProvider();
-    const auto list =
-        rcu.ListEntriesFilter(FileSys::TitleType::AOC, FileSys::ContentRecordType::Data);
-    std::transform(list.begin(), list.end(), std::back_inserter(add_on_content),
-                   [](const FileSys::ContentProviderEntry& rce) { return rce.title_id; });
-    add_on_content.erase(
-        std::remove_if(
-            add_on_content.begin(), add_on_content.end(),
-            [&rcu](u64 tid) {
-                return rcu.GetEntry(tid, FileSys::ContentRecordType::Data)->GetStatus() !=
-                       Loader::ResultStatus::Success;
-            }),
-        add_on_content.end());
-    return add_on_content;
-}
-
-class IPurchaseEventManager final : public ServiceFramework<IPurchaseEventManager> {
-public:
-    explicit IPurchaseEventManager(Core::System& system_)
-        : ServiceFramework{system_, "IPurchaseEventManager"}, service_context{
-                                                                  system, "IPurchaseEventManager"} {
-        // clang-format off
-        static const FunctionInfo functions[] = {
-            {0, &IPurchaseEventManager::SetDefaultDeliveryTarget, "SetDefaultDeliveryTarget"},
-            {1, &IPurchaseEventManager::SetDeliveryTarget, "SetDeliveryTarget"},
-            {2, &IPurchaseEventManager::GetPurchasedEventReadableHandle, "GetPurchasedEventReadableHandle"},
-            {3, &IPurchaseEventManager::PopPurchasedProductInfo, "PopPurchasedProductInfo"},
-            {4, &IPurchaseEventManager::PopPurchasedProductInfoWithUid, "PopPurchasedProductInfoWithUid"},
-        };
-        // clang-format on
-
-        RegisterHandlers(functions);
-
-        purchased_event = service_context.CreateEvent("IPurchaseEventManager:PurchasedEvent");
-    }
-
-    ~IPurchaseEventManager() override {
-        service_context.CloseEvent(purchased_event);
-    }
-
-private:
-    void SetDefaultDeliveryTarget(HLERequestContext& ctx) {
-        IPC::RequestParser rp{ctx};
-
-        const auto unknown_1 = rp.Pop<u64>();
-        [[maybe_unused]] const auto unknown_2 = ctx.ReadBuffer();
-
-        LOG_WARNING(Service_AOC, "(STUBBED) called, unknown_1={}", unknown_1);
-
-        IPC::ResponseBuilder rb{ctx, 2};
-        rb.Push(ResultSuccess);
-    }
-
-    void SetDeliveryTarget(HLERequestContext& ctx) {
-        IPC::RequestParser rp{ctx};
-
-        const auto unknown_1 = rp.Pop<u64>();
-        [[maybe_unused]] const auto unknown_2 = ctx.ReadBuffer();
-
-        LOG_WARNING(Service_AOC, "(STUBBED) called, unknown_1={}", unknown_1);
-
-        IPC::ResponseBuilder rb{ctx, 2};
-        rb.Push(ResultSuccess);
-    }
-
-    void GetPurchasedEventReadableHandle(HLERequestContext& ctx) {
-        LOG_WARNING(Service_AOC, "called");
-
-        IPC::ResponseBuilder rb{ctx, 2, 1};
-        rb.Push(ResultSuccess);
-        rb.PushCopyObjects(purchased_event->GetReadableEvent());
-    }
-
-    void PopPurchasedProductInfo(HLERequestContext& ctx) {
-        LOG_DEBUG(Service_AOC, "(STUBBED) called");
-
-        IPC::ResponseBuilder rb{ctx, 2};
-        rb.Push(ResultNoPurchasedProductInfoAvailable);
-    }
-
-    void PopPurchasedProductInfoWithUid(HLERequestContext& ctx) {
-        LOG_DEBUG(Service_AOC, "(STUBBED) called");
-
-        IPC::ResponseBuilder rb{ctx, 2};
-        rb.Push(ResultNoPurchasedProductInfoAvailable);
-    }
-
-    KernelHelpers::ServiceContext service_context;
-
-    Kernel::KEvent* purchased_event;
-};
-
-AOC_U::AOC_U(Core::System& system_)
-    : ServiceFramework{system_, "aoc:u"}, add_on_content{AccumulateAOCTitleIDs(system)},
-      service_context{system_, "aoc:u"} {
-    // clang-format off
-    static const FunctionInfo functions[] = {
-        {0, nullptr, "CountAddOnContentByApplicationId"},
-        {1, nullptr, "ListAddOnContentByApplicationId"},
-        {2, &AOC_U::CountAddOnContent, "CountAddOnContent"},
-        {3, &AOC_U::ListAddOnContent, "ListAddOnContent"},
-        {4, nullptr, "GetAddOnContentBaseIdByApplicationId"},
-        {5, &AOC_U::GetAddOnContentBaseId, "GetAddOnContentBaseId"},
-        {6, nullptr, "PrepareAddOnContentByApplicationId"},
-        {7, &AOC_U::PrepareAddOnContent, "PrepareAddOnContent"},
-        {8, &AOC_U::GetAddOnContentListChangedEvent, "GetAddOnContentListChangedEvent"},
-        {9, nullptr, "GetAddOnContentLostErrorCode"},
-        {10, &AOC_U::GetAddOnContentListChangedEventWithProcessId, "GetAddOnContentListChangedEventWithProcessId"},
-        {11, &AOC_U::NotifyMountAddOnContent, "NotifyMountAddOnContent"},
-        {12, &AOC_U::NotifyUnmountAddOnContent, "NotifyUnmountAddOnContent"},
-        {13, nullptr, "IsAddOnContentMountedForDebug"},
-        {50, &AOC_U::CheckAddOnContentMountStatus, "CheckAddOnContentMountStatus"},
-        {100, &AOC_U::CreateEcPurchasedEventManager, "CreateEcPurchasedEventManager"},
-        {101, &AOC_U::CreatePermanentEcPurchasedEventManager, "CreatePermanentEcPurchasedEventManager"},
-        {110, nullptr, "CreateContentsServiceManager"},
-        {200, nullptr, "SetRequiredAddOnContentsOnContentsAvailabilityTransition"},
-        {300, nullptr, "SetupHostAddOnContent"},
-        {301, nullptr, "GetRegisteredAddOnContentPath"},
-        {302, nullptr, "UpdateCachedList"},
-    };
-    // clang-format on
-
-    RegisterHandlers(functions);
-
-    aoc_change_event = service_context.CreateEvent("GetAddOnContentListChanged:Event");
-}
-
-AOC_U::~AOC_U() {
-    service_context.CloseEvent(aoc_change_event);
-}
-
-void AOC_U::CountAddOnContent(HLERequestContext& ctx) {
-    struct Parameters {
-        u64 process_id;
-    };
-    static_assert(sizeof(Parameters) == 8);
-
-    IPC::RequestParser rp{ctx};
-    const auto params = rp.PopRaw<Parameters>();
-
-    LOG_DEBUG(Service_AOC, "called. process_id={}", params.process_id);
-
-    IPC::ResponseBuilder rb{ctx, 3};
-    rb.Push(ResultSuccess);
-
-    const auto current = system.GetApplicationProcessProgramID();
-
-    const auto& disabled = Settings::values.disabled_addons[current];
-    if (std::find(disabled.begin(), disabled.end(), "DLC") != disabled.end()) {
-        rb.Push<u32>(0);
-        return;
-    }
-
-    rb.Push<u32>(static_cast<u32>(
-        std::count_if(add_on_content.begin(), add_on_content.end(),
-                      [current](u64 tid) { return CheckAOCTitleIDMatchesBase(tid, current); })));
-}
-
-void AOC_U::ListAddOnContent(HLERequestContext& ctx) {
-    struct Parameters {
-        u32 offset;
-        u32 count;
-        u64 process_id;
-    };
-    static_assert(sizeof(Parameters) == 16);
-
-    IPC::RequestParser rp{ctx};
-    const auto [offset, count, process_id] = rp.PopRaw<Parameters>();
-
-    LOG_DEBUG(Service_AOC, "called with offset={}, count={}, process_id={}", offset, count,
-              process_id);
-
-    const auto current = FileSys::GetBaseTitleID(system.GetApplicationProcessProgramID());
-
-    std::vector<u32> out;
-    const auto& disabled = Settings::values.disabled_addons[current];
-    if (std::find(disabled.begin(), disabled.end(), "DLC") == disabled.end()) {
-        for (u64 content_id : add_on_content) {
-            if (FileSys::GetBaseTitleID(content_id) != current) {
-                continue;
-            }
-
-            out.push_back(static_cast<u32>(FileSys::GetAOCID(content_id)));
-        }
-    }
-
-    if (out.size() < offset) {
-        IPC::ResponseBuilder rb{ctx, 2};
-        // TODO(DarkLordZach): Find the correct error code.
-        rb.Push(ResultUnknown);
-        return;
-    }
-
-    const auto out_count = static_cast<u32>(std::min<size_t>(out.size() - offset, count));
-    std::rotate(out.begin(), out.begin() + offset, out.end());
-    out.resize(out_count);
-
-    ctx.WriteBuffer(out);
-
-    IPC::ResponseBuilder rb{ctx, 3};
-    rb.Push(ResultSuccess);
-    rb.Push(out_count);
-}
-
-void AOC_U::GetAddOnContentBaseId(HLERequestContext& ctx) {
-    struct Parameters {
-        u64 process_id;
-    };
-    static_assert(sizeof(Parameters) == 8);
-
-    IPC::RequestParser rp{ctx};
-    const auto params = rp.PopRaw<Parameters>();
-
-    LOG_DEBUG(Service_AOC, "called. process_id={}", params.process_id);
-
-    IPC::ResponseBuilder rb{ctx, 4};
-    rb.Push(ResultSuccess);
-
-    const auto title_id = system.GetApplicationProcessProgramID();
-    const FileSys::PatchManager pm{title_id, system.GetFileSystemController(),
-                                   system.GetContentProvider()};
-
-    const auto res = pm.GetControlMetadata();
-    if (res.first == nullptr) {
-        rb.Push(FileSys::GetAOCBaseTitleID(title_id));
-        return;
-    }
-
-    rb.Push(res.first->GetDLCBaseTitleId());
-}
-
-void AOC_U::PrepareAddOnContent(HLERequestContext& ctx) {
-    struct Parameters {
-        s32 addon_index;
-        u64 process_id;
-    };
-    static_assert(sizeof(Parameters) == 16);
-
-    IPC::RequestParser rp{ctx};
-    const auto [addon_index, process_id] = rp.PopRaw<Parameters>();
-
-    LOG_WARNING(Service_AOC, "(STUBBED) called with addon_index={}, process_id={}", addon_index,
-                process_id);
-
-    IPC::ResponseBuilder rb{ctx, 2};
-    rb.Push(ResultSuccess);
-}
-
-void AOC_U::GetAddOnContentListChangedEvent(HLERequestContext& ctx) {
-    LOG_WARNING(Service_AOC, "(STUBBED) called");
-
-    IPC::ResponseBuilder rb{ctx, 2, 1};
-    rb.Push(ResultSuccess);
-    rb.PushCopyObjects(aoc_change_event->GetReadableEvent());
-}
-
-void AOC_U::GetAddOnContentListChangedEventWithProcessId(HLERequestContext& ctx) {
-    LOG_WARNING(Service_AOC, "(STUBBED) called");
-
-    IPC::ResponseBuilder rb{ctx, 2, 1};
-    rb.Push(ResultSuccess);
-    rb.PushCopyObjects(aoc_change_event->GetReadableEvent());
-}
-
-void AOC_U::NotifyMountAddOnContent(HLERequestContext& ctx) {
-    LOG_WARNING(Service_AOC, "(STUBBED) called");
-
-    IPC::ResponseBuilder rb{ctx, 2};
-    rb.Push(ResultSuccess);
-}
-
-void AOC_U::NotifyUnmountAddOnContent(HLERequestContext& ctx) {
-    LOG_WARNING(Service_AOC, "(STUBBED) called");
-
-    IPC::ResponseBuilder rb{ctx, 2};
-    rb.Push(ResultSuccess);
-}
-
-void AOC_U::CheckAddOnContentMountStatus(HLERequestContext& ctx) {
-    LOG_WARNING(Service_AOC, "(STUBBED) called");
-
-    IPC::ResponseBuilder rb{ctx, 2};
-    rb.Push(ResultSuccess);
-}
-
-void AOC_U::CreateEcPurchasedEventManager(HLERequestContext& ctx) {
-    LOG_WARNING(Service_AOC, "(STUBBED) called");
-
-    IPC::ResponseBuilder rb{ctx, 2, 0, 1};
-    rb.Push(ResultSuccess);
-    rb.PushIpcInterface<IPurchaseEventManager>(system);
-}
-
-void AOC_U::CreatePermanentEcPurchasedEventManager(HLERequestContext& ctx) {
-    LOG_WARNING(Service_AOC, "(STUBBED) called");
-
-    IPC::ResponseBuilder rb{ctx, 2, 0, 1};
-    rb.Push(ResultSuccess);
-    rb.PushIpcInterface<IPurchaseEventManager>(system);
-}
-
-void LoopProcess(Core::System& system) {
-    auto server_manager = std::make_unique<ServerManager>(system);
-    server_manager->RegisterNamedService("aoc:u", std::make_shared<AOC_U>(system));
-    ServerManager::RunServer(std::move(server_manager));
-}
-
-} // namespace Service::AOC
diff --git a/src/core/hle/service/aoc/aoc_u.h b/src/core/hle/service/aoc/aoc_u.h
deleted file mode 100644
index 12ccfeb6a..000000000
--- a/src/core/hle/service/aoc/aoc_u.h
+++ /dev/null
@@ -1,45 +0,0 @@
-// SPDX-FileCopyrightText: Copyright 2018 yuzu Emulator Project
-// SPDX-License-Identifier: GPL-2.0-or-later
-
-#pragma once
-
-#include "core/hle/service/kernel_helpers.h"
-#include "core/hle/service/service.h"
-
-namespace Core {
-class System;
-}
-
-namespace Kernel {
-class KEvent;
-}
-
-namespace Service::AOC {
-
-class AOC_U final : public ServiceFramework<AOC_U> {
-public:
-    explicit AOC_U(Core::System& system);
-    ~AOC_U() override;
-
-private:
-    void CountAddOnContent(HLERequestContext& ctx);
-    void ListAddOnContent(HLERequestContext& ctx);
-    void GetAddOnContentBaseId(HLERequestContext& ctx);
-    void PrepareAddOnContent(HLERequestContext& ctx);
-    void GetAddOnContentListChangedEvent(HLERequestContext& ctx);
-    void GetAddOnContentListChangedEventWithProcessId(HLERequestContext& ctx);
-    void NotifyMountAddOnContent(HLERequestContext& ctx);
-    void NotifyUnmountAddOnContent(HLERequestContext& ctx);
-    void CheckAddOnContentMountStatus(HLERequestContext& ctx);
-    void CreateEcPurchasedEventManager(HLERequestContext& ctx);
-    void CreatePermanentEcPurchasedEventManager(HLERequestContext& ctx);
-
-    std::vector<u64> add_on_content;
-    KernelHelpers::ServiceContext service_context;
-
-    Kernel::KEvent* aoc_change_event;
-};
-
-void LoopProcess(Core::System& system);
-
-} // namespace Service::AOC
diff --git a/src/core/hle/service/aoc/purchase_event_manager.cpp b/src/core/hle/service/aoc/purchase_event_manager.cpp
new file mode 100644
index 000000000..9e718510b
--- /dev/null
+++ b/src/core/hle/service/aoc/purchase_event_manager.cpp
@@ -0,0 +1,67 @@
+// SPDX-FileCopyrightText: Copyright 2018 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include "core/hle/service/aoc/purchase_event_manager.h"
+#include "core/hle/service/cmif_serialization.h"
+
+namespace Service::AOC {
+
+constexpr Result ResultNoPurchasedProductInfoAvailable{ErrorModule::NIMShop, 400};
+
+IPurchaseEventManager::IPurchaseEventManager(Core::System& system_)
+    : ServiceFramework{system_, "IPurchaseEventManager"}, service_context{system,
+                                                                          "IPurchaseEventManager"} {
+    // clang-format off
+        static const FunctionInfo functions[] = {
+            {0, D<&IPurchaseEventManager::SetDefaultDeliveryTarget>, "SetDefaultDeliveryTarget"},
+            {1, D<&IPurchaseEventManager::SetDeliveryTarget>, "SetDeliveryTarget"},
+            {2, D<&IPurchaseEventManager::GetPurchasedEvent>, "GetPurchasedEvent"},
+            {3, D<&IPurchaseEventManager::PopPurchasedProductInfo>, "PopPurchasedProductInfo"},
+            {4, D<&IPurchaseEventManager::PopPurchasedProductInfoWithUid>, "PopPurchasedProductInfoWithUid"},
+        };
+    // clang-format on
+
+    RegisterHandlers(functions);
+
+    purchased_event = service_context.CreateEvent("IPurchaseEventManager:PurchasedEvent");
+}
+
+IPurchaseEventManager::~IPurchaseEventManager() {
+    service_context.CloseEvent(purchased_event);
+}
+
+Result IPurchaseEventManager::SetDefaultDeliveryTarget(
+    ClientProcessId process_id, InBuffer<BufferAttr_HipcMapAlias> in_buffer) {
+    LOG_WARNING(Service_AOC, "(STUBBED) called, process_id={}", process_id.pid);
+
+    R_SUCCEED();
+}
+
+Result IPurchaseEventManager::SetDeliveryTarget(u64 unknown,
+                                                InBuffer<BufferAttr_HipcMapAlias> in_buffer) {
+    LOG_WARNING(Service_AOC, "(STUBBED) called, unknown={}", unknown);
+
+    R_SUCCEED();
+}
+
+Result IPurchaseEventManager::GetPurchasedEvent(OutCopyHandle<Kernel::KReadableEvent> out_event) {
+    LOG_WARNING(Service_AOC, "called");
+
+    *out_event = &purchased_event->GetReadableEvent();
+
+    R_SUCCEED();
+}
+
+Result IPurchaseEventManager::PopPurchasedProductInfo() {
+    LOG_DEBUG(Service_AOC, "(STUBBED) called");
+
+    R_RETURN(ResultNoPurchasedProductInfoAvailable);
+}
+
+Result IPurchaseEventManager::PopPurchasedProductInfoWithUid() {
+    LOG_DEBUG(Service_AOC, "(STUBBED) called");
+
+    R_RETURN(ResultNoPurchasedProductInfoAvailable);
+}
+
+} // namespace Service::AOC
diff --git a/src/core/hle/service/aoc/purchase_event_manager.h b/src/core/hle/service/aoc/purchase_event_manager.h
new file mode 100644
index 000000000..ea3836bc9
--- /dev/null
+++ b/src/core/hle/service/aoc/purchase_event_manager.h
@@ -0,0 +1,30 @@
+// SPDX-FileCopyrightText: Copyright 2018 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+#include "core/hle/service/cmif_types.h"
+#include "core/hle/service/kernel_helpers.h"
+#include "core/hle/service/os/event.h"
+#include "core/hle/service/service.h"
+
+namespace Service::AOC {
+
+class IPurchaseEventManager final : public ServiceFramework<IPurchaseEventManager> {
+public:
+    explicit IPurchaseEventManager(Core::System& system_);
+    ~IPurchaseEventManager() override;
+
+    Result SetDefaultDeliveryTarget(ClientProcessId process_id,
+                                    InBuffer<BufferAttr_HipcMapAlias> in_buffer);
+    Result SetDeliveryTarget(u64 unknown, InBuffer<BufferAttr_HipcMapAlias> in_buffer);
+    Result GetPurchasedEvent(OutCopyHandle<Kernel::KReadableEvent> out_event);
+    Result PopPurchasedProductInfo();
+    Result PopPurchasedProductInfoWithUid();
+
+private:
+    KernelHelpers::ServiceContext service_context;
+    Kernel::KEvent* purchased_event;
+};
+
+} // namespace Service::AOC
diff --git a/src/core/hle/service/audio/audio_controller.cpp b/src/core/hle/service/audio/audio_controller.cpp
index c9804cf9c..7a51d1023 100644
--- a/src/core/hle/service/audio/audio_controller.cpp
+++ b/src/core/hle/service/audio/audio_controller.cpp
@@ -138,7 +138,7 @@ Result IAudioController::SetOutputModeSetting(Set::AudioOutputModeTarget target,
 }
 
 Result IAudioController::SetHeadphoneOutputLevelMode(HeadphoneOutputLevelMode output_level_mode) {
-    LOG_WARNING(Audio, "(STUBBED) called");
+    LOG_WARNING(Audio, "(STUBBED) called, output_level_mode={}", output_level_mode);
     R_SUCCEED();
 }
 
diff --git a/src/core/hle/service/btdrv/btdrv.cpp b/src/core/hle/service/btdrv/btdrv.cpp
index 38cdd57ad..83618a956 100644
--- a/src/core/hle/service/btdrv/btdrv.cpp
+++ b/src/core/hle/service/btdrv/btdrv.cpp
@@ -5,6 +5,7 @@
 #include "core/core.h"
 #include "core/hle/kernel/k_event.h"
 #include "core/hle/service/btdrv/btdrv.h"
+#include "core/hle/service/cmif_serialization.h"
 #include "core/hle/service/ipc_helpers.h"
 #include "core/hle/service/kernel_helpers.h"
 #include "core/hle/service/server_manager.h"
@@ -13,9 +14,9 @@
 
 namespace Service::BtDrv {
 
-class Bt final : public ServiceFramework<Bt> {
+class IBluetoothUser final : public ServiceFramework<IBluetoothUser> {
 public:
-    explicit Bt(Core::System& system_)
+    explicit IBluetoothUser(Core::System& system_)
         : ServiceFramework{system_, "bt"}, service_context{system_, "bt"} {
         // clang-format off
         static const FunctionInfo functions[] = {
@@ -28,7 +29,7 @@ public:
             {6, nullptr, "SetLeResponse"},
             {7, nullptr, "LeSendIndication"},
             {8, nullptr, "GetLeEventInfo"},
-            {9, &Bt::RegisterBleEvent, "RegisterBleEvent"},
+            {9, C<&IBluetoothUser::RegisterBleEvent>, "RegisterBleEvent"},
         };
         // clang-format on
         RegisterHandlers(functions);
@@ -36,17 +37,16 @@ public:
         register_event = service_context.CreateEvent("BT:RegisterEvent");
     }
 
-    ~Bt() override {
+    ~IBluetoothUser() override {
         service_context.CloseEvent(register_event);
     }
 
 private:
-    void RegisterBleEvent(HLERequestContext& ctx) {
+    Result RegisterBleEvent(OutCopyHandle<Kernel::KReadableEvent> out_event) {
         LOG_WARNING(Service_BTM, "(STUBBED) called");
 
-        IPC::ResponseBuilder rb{ctx, 2, 1};
-        rb.Push(ResultSuccess);
-        rb.PushCopyObjects(register_event->GetReadableEvent());
+        *out_event = &register_event->GetReadableEvent();
+        R_SUCCEED();
     }
 
     KernelHelpers::ServiceContext service_context;
@@ -54,9 +54,9 @@ private:
     Kernel::KEvent* register_event;
 };
 
-class BtDrv final : public ServiceFramework<BtDrv> {
+class IBluetoothDriver final : public ServiceFramework<IBluetoothDriver> {
 public:
-    explicit BtDrv(Core::System& system_) : ServiceFramework{system_, "btdrv"} {
+    explicit IBluetoothDriver(Core::System& system_) : ServiceFramework{system_, "btdrv"} {
         // clang-format off
         static const FunctionInfo functions[] = {
             {0, nullptr, "InitializeBluetoothDriver"},
@@ -93,7 +93,7 @@ public:
             {31, nullptr, "EnableMcMode"},
             {32, nullptr, "EnableLlrScan"},
             {33, nullptr, "DisableLlrScan"},
-            {34, nullptr, "EnableRadio"},
+            {34, C<&IBluetoothDriver::EnableRadio>, "EnableRadio"},
             {35, nullptr, "SetVisibility"},
             {36, nullptr, "EnableTbfcScan"},
             {37, nullptr, "RegisterHidReportEvent"},
@@ -195,13 +195,19 @@ public:
 
         RegisterHandlers(functions);
     }
+
+private:
+    Result EnableRadio() {
+        LOG_WARNING(Service_BTDRV, "(STUBBED) called");
+        R_SUCCEED();
+    }
 };
 
 void LoopProcess(Core::System& system) {
     auto server_manager = std::make_unique<ServerManager>(system);
 
-    server_manager->RegisterNamedService("btdrv", std::make_shared<BtDrv>(system));
-    server_manager->RegisterNamedService("bt", std::make_shared<Bt>(system));
+    server_manager->RegisterNamedService("btdrv", std::make_shared<IBluetoothDriver>(system));
+    server_manager->RegisterNamedService("bt", std::make_shared<IBluetoothUser>(system));
     ServerManager::RunServer(std::move(server_manager));
 }
 
diff --git a/src/core/hle/service/erpt/erpt.cpp b/src/core/hle/service/erpt/erpt.cpp
index 39ae3a723..6b7eab5ef 100644
--- a/src/core/hle/service/erpt/erpt.cpp
+++ b/src/core/hle/service/erpt/erpt.cpp
@@ -18,7 +18,7 @@ public:
         // clang-format off
         static const FunctionInfo functions[] = {
             {0, C<&ErrorReportContext::SubmitContext>, "SubmitContext"},
-            {1, nullptr, "CreateReportV0"},
+            {1, C<&ErrorReportContext::CreateReportV0>, "CreateReportV0"},
             {2, nullptr, "SetInitialLaunchSettingsCompletionTime"},
             {3, nullptr, "ClearInitialLaunchSettingsCompletionTime"},
             {4, nullptr, "UpdatePowerOnTime"},
@@ -28,7 +28,8 @@ public:
             {8, nullptr, "ClearApplicationLaunchTime"},
             {9, nullptr, "SubmitAttachment"},
             {10, nullptr, "CreateReportWithAttachments"},
-            {11, nullptr, "CreateReport"},
+            {11, C<&ErrorReportContext::CreateReportV1>, "CreateReportV1"},
+            {12, C<&ErrorReportContext::CreateReport>, "CreateReport"},
             {20, nullptr, "RegisterRunningApplet"},
             {21, nullptr, "UnregisterRunningApplet"},
             {22, nullptr, "UpdateAppletSuspendedDuration"},
@@ -40,10 +41,37 @@ public:
     }
 
 private:
-    Result SubmitContext(InBuffer<BufferAttr_HipcMapAlias> buffer_a,
-                         InBuffer<BufferAttr_HipcMapAlias> buffer_b) {
-        LOG_WARNING(Service_SET, "(STUBBED) called, buffer_a_size={}, buffer_b_size={}",
-                    buffer_a.size(), buffer_b.size());
+    Result SubmitContext(InBuffer<BufferAttr_HipcMapAlias> context_entry,
+                         InBuffer<BufferAttr_HipcMapAlias> field_list) {
+        LOG_WARNING(Service_SET, "(STUBBED) called, context_entry_size={}, field_list_size={}",
+                    context_entry.size(), field_list.size());
+        R_SUCCEED();
+    }
+
+    Result CreateReportV0(u32 report_type, InBuffer<BufferAttr_HipcMapAlias> context_entry,
+                          InBuffer<BufferAttr_HipcMapAlias> report_list,
+                          InBuffer<BufferAttr_HipcMapAlias> report_meta_data) {
+        LOG_WARNING(Service_SET, "(STUBBED) called, report_type={:#x}", report_type);
+        R_SUCCEED();
+    }
+
+    Result CreateReportV1(u32 report_type, u32 unknown,
+                          InBuffer<BufferAttr_HipcMapAlias> context_entry,
+                          InBuffer<BufferAttr_HipcMapAlias> report_list,
+                          InBuffer<BufferAttr_HipcMapAlias> report_meta_data) {
+        LOG_WARNING(Service_SET, "(STUBBED) called, report_type={:#x}, unknown={:#x}", report_type,
+                    unknown);
+        R_SUCCEED();
+    }
+
+    Result CreateReport(u32 report_type, u32 unknown, u32 create_report_option_flag,
+                        InBuffer<BufferAttr_HipcMapAlias> context_entry,
+                        InBuffer<BufferAttr_HipcMapAlias> report_list,
+                        InBuffer<BufferAttr_HipcMapAlias> report_meta_data) {
+        LOG_WARNING(
+            Service_SET,
+            "(STUBBED) called, report_type={:#x}, unknown={:#x}, create_report_option_flag={:#x}",
+            report_type, unknown, create_report_option_flag);
         R_SUCCEED();
     }
 };
diff --git a/src/core/hle/service/filesystem/fsp/fsp_srv.cpp b/src/core/hle/service/filesystem/fsp/fsp_srv.cpp
index 223284255..60290f1a6 100644
--- a/src/core/hle/service/filesystem/fsp/fsp_srv.cpp
+++ b/src/core/hle/service/filesystem/fsp/fsp_srv.cpp
@@ -71,7 +71,7 @@ FSP_SRV::FSP_SRV(Core::System& system_)
         {28, nullptr, "DeleteSaveDataFileSystemBySaveDataAttribute"},
         {30, nullptr, "OpenGameCardStorage"},
         {31, nullptr, "OpenGameCardFileSystem"},
-        {32, nullptr, "ExtendSaveDataFileSystem"},
+        {32, D<&FSP_SRV::ExtendSaveDataFileSystem>, "ExtendSaveDataFileSystem"},
         {33, nullptr, "DeleteCacheStorage"},
         {34, D<&FSP_SRV::GetCacheStorageSize>, "GetCacheStorageSize"},
         {35, nullptr, "CreateSaveDataFileSystemByHashSalt"},
@@ -79,9 +79,9 @@ FSP_SRV::FSP_SRV(Core::System& system_)
         {51, D<&FSP_SRV::OpenSaveDataFileSystem>, "OpenSaveDataFileSystem"},
         {52, D<&FSP_SRV::OpenSaveDataFileSystemBySystemSaveDataId>, "OpenSaveDataFileSystemBySystemSaveDataId"},
         {53, D<&FSP_SRV::OpenReadOnlySaveDataFileSystem>, "OpenReadOnlySaveDataFileSystem"},
-        {57, nullptr, "ReadSaveDataFileSystemExtraDataBySaveDataSpaceId"},
-        {58, nullptr, "ReadSaveDataFileSystemExtraData"},
-        {59, nullptr, "WriteSaveDataFileSystemExtraData"},
+        {57, D<&FSP_SRV::ReadSaveDataFileSystemExtraDataBySaveDataSpaceId>, "ReadSaveDataFileSystemExtraDataBySaveDataSpaceId"},
+        {58, D<&FSP_SRV::ReadSaveDataFileSystemExtraData>, "ReadSaveDataFileSystemExtraData"},
+        {59, D<&FSP_SRV::WriteSaveDataFileSystemExtraData>, "WriteSaveDataFileSystemExtraData"},
         {60, nullptr, "OpenSaveDataInfoReader"},
         {61, D<&FSP_SRV::OpenSaveDataInfoReaderBySaveDataSpaceId>, "OpenSaveDataInfoReaderBySaveDataSpaceId"},
         {62, D<&FSP_SRV::OpenSaveDataInfoReaderOnlyCacheStorage>, "OpenSaveDataInfoReaderOnlyCacheStorage"},
@@ -90,8 +90,8 @@ FSP_SRV::FSP_SRV(Core::System& system_)
         {66, nullptr, "WriteSaveDataFileSystemExtraData2"},
         {67, D<&FSP_SRV::FindSaveDataWithFilter>, "FindSaveDataWithFilter"},
         {68, nullptr, "OpenSaveDataInfoReaderBySaveDataFilter"},
-        {69, nullptr, "ReadSaveDataFileSystemExtraDataBySaveDataAttribute"},
-        {70, D<&FSP_SRV::WriteSaveDataFileSystemExtraDataBySaveDataAttribute>, "WriteSaveDataFileSystemExtraDataBySaveDataAttribute"},
+        {69, D<&FSP_SRV::ReadSaveDataFileSystemExtraDataBySaveDataAttribute>, "ReadSaveDataFileSystemExtraDataBySaveDataAttribute"},
+        {70, D<&FSP_SRV::WriteSaveDataFileSystemExtraDataWithMaskBySaveDataAttribute>, "WriteSaveDataFileSystemExtraDataWithMaskBySaveDataAttribute"},
         {71, D<&FSP_SRV::ReadSaveDataFileSystemExtraDataWithMaskBySaveDataAttribute>, "ReadSaveDataFileSystemExtraDataWithMaskBySaveDataAttribute"},
         {80, nullptr, "OpenSaveDataMetaFile"},
         {81, nullptr, "OpenSaveDataTransferManager"},
@@ -317,9 +317,23 @@ Result FSP_SRV::FindSaveDataWithFilter(Out<s64> out_count,
     R_THROW(FileSys::ResultTargetNotFound);
 }
 
-Result FSP_SRV::WriteSaveDataFileSystemExtraDataBySaveDataAttribute() {
-    LOG_WARNING(Service_FS, "(STUBBED) called.");
+Result FSP_SRV::WriteSaveDataFileSystemExtraData(InBuffer<BufferAttr_HipcMapAlias> buffer,
+                                                 FileSys::SaveDataSpaceId space_id,
+                                                 u64 save_data_id) {
+    LOG_WARNING(Service_FS, "(STUBBED) called, space_id={}, save_data_id={:016X}", space_id,
+                save_data_id);
+    R_SUCCEED();
+}
 
+Result FSP_SRV::WriteSaveDataFileSystemExtraDataWithMaskBySaveDataAttribute(
+    InBuffer<BufferAttr_HipcMapAlias> buffer, InBuffer<BufferAttr_HipcMapAlias> mask_buffer,
+    FileSys::SaveDataSpaceId space_id, FileSys::SaveDataAttribute attribute) {
+    LOG_WARNING(Service_FS,
+                "(STUBBED) called, space_id={}, attribute.program_id={:016X}\n"
+                "attribute.user_id={:016X}{:016X}, attribute.save_id={:016X}\n"
+                "attribute.type={}, attribute.rank={}, attribute.index={}",
+                space_id, attribute.program_id, attribute.user_id[1], attribute.user_id[0],
+                attribute.system_save_data_id, attribute.type, attribute.rank, attribute.index);
     R_SUCCEED();
 }
 
@@ -341,6 +355,38 @@ Result FSP_SRV::ReadSaveDataFileSystemExtraDataWithMaskBySaveDataAttribute(
     R_SUCCEED();
 }
 
+Result FSP_SRV::ReadSaveDataFileSystemExtraData(OutBuffer<BufferAttr_HipcMapAlias> out_buffer,
+                                                u64 save_data_id) {
+    // Stub, backend needs an impl to read/write the SaveDataExtraData
+    LOG_WARNING(Service_FS, "(STUBBED) called, save_data_id={:016X}", save_data_id);
+    std::memset(out_buffer.data(), 0, out_buffer.size());
+    R_SUCCEED();
+}
+
+Result FSP_SRV::ReadSaveDataFileSystemExtraDataBySaveDataAttribute(
+    OutBuffer<BufferAttr_HipcMapAlias> out_buffer, FileSys::SaveDataSpaceId space_id,
+    FileSys::SaveDataAttribute attribute) {
+    // Stub, backend needs an impl to read/write the SaveDataExtraData
+    LOG_WARNING(Service_FS,
+                "(STUBBED) called, space_id={}, attribute.program_id={:016X}\n"
+                "attribute.user_id={:016X}{:016X}, attribute.save_id={:016X}\n"
+                "attribute.type={}, attribute.rank={}, attribute.index={}",
+                space_id, attribute.program_id, attribute.user_id[1], attribute.user_id[0],
+                attribute.system_save_data_id, attribute.type, attribute.rank, attribute.index);
+    std::memset(out_buffer.data(), 0, out_buffer.size());
+    R_SUCCEED();
+}
+
+Result FSP_SRV::ReadSaveDataFileSystemExtraDataBySaveDataSpaceId(
+    OutBuffer<BufferAttr_HipcMapAlias> out_buffer, FileSys::SaveDataSpaceId space_id,
+    u64 save_data_id) {
+    // Stub, backend needs an impl to read/write the SaveDataExtraData
+    LOG_WARNING(Service_FS, "(STUBBED) called, space_id={}, save_data_id={:016X}", space_id,
+                save_data_id);
+    std::memset(out_buffer.data(), 0, out_buffer.size());
+    R_SUCCEED();
+}
+
 Result FSP_SRV::OpenSaveDataTransferProhibiter(
     OutInterface<ISaveDataTransferProhibiter> out_prohibiter, u64 id) {
     LOG_WARNING(Service_FS, "(STUBBED) called, id={:016X}", id);
@@ -476,6 +522,16 @@ Result FSP_SRV::FlushAccessLogOnSdCard() {
     R_SUCCEED();
 }
 
+Result FSP_SRV::ExtendSaveDataFileSystem(FileSys::SaveDataSpaceId space_id, u64 save_data_id,
+                                         s64 available_size, s64 journal_size) {
+    // We don't have an index of save data ids, so we can't implement this.
+    LOG_WARNING(Service_FS,
+                "(STUBBED) called, space_id={}, save_data_id={:016X}, available_size={:#x}, "
+                "journal_size={:#x}",
+                space_id, save_data_id, available_size, journal_size);
+    R_SUCCEED();
+}
+
 Result FSP_SRV::GetCacheStorageSize(s32 index, Out<s64> out_data_size, Out<s64> out_journal_size) {
     LOG_WARNING(Service_FS, "(STUBBED) called with index={}", index);
 
diff --git a/src/core/hle/service/filesystem/fsp/fsp_srv.h b/src/core/hle/service/filesystem/fsp/fsp_srv.h
index 83d9cb51c..b565cace0 100644
--- a/src/core/hle/service/filesystem/fsp/fsp_srv.h
+++ b/src/core/hle/service/filesystem/fsp/fsp_srv.h
@@ -70,7 +70,19 @@ private:
     Result FindSaveDataWithFilter(Out<s64> out_count, OutBuffer<BufferAttr_HipcMapAlias> out_buffer,
                                   FileSys::SaveDataSpaceId space_id,
                                   FileSys::SaveDataFilter filter);
-    Result WriteSaveDataFileSystemExtraDataBySaveDataAttribute();
+    Result WriteSaveDataFileSystemExtraData(InBuffer<BufferAttr_HipcMapAlias> buffer,
+                                            FileSys::SaveDataSpaceId space_id, u64 save_data_id);
+    Result WriteSaveDataFileSystemExtraDataWithMaskBySaveDataAttribute(
+        InBuffer<BufferAttr_HipcMapAlias> buffer, InBuffer<BufferAttr_HipcMapAlias> mask_buffer,
+        FileSys::SaveDataSpaceId space_id, FileSys::SaveDataAttribute attribute);
+    Result ReadSaveDataFileSystemExtraData(OutBuffer<BufferAttr_HipcMapAlias> out_buffer,
+                                           u64 save_data_id);
+    Result ReadSaveDataFileSystemExtraDataBySaveDataAttribute(
+        OutBuffer<BufferAttr_HipcMapAlias> out_buffer, FileSys::SaveDataSpaceId space_id,
+        FileSys::SaveDataAttribute attribute);
+    Result ReadSaveDataFileSystemExtraDataBySaveDataSpaceId(
+        OutBuffer<BufferAttr_HipcMapAlias> out_buffer, FileSys::SaveDataSpaceId space_id,
+        u64 save_data_id);
     Result ReadSaveDataFileSystemExtraDataWithMaskBySaveDataAttribute(
         FileSys::SaveDataSpaceId space_id, FileSys::SaveDataAttribute attribute,
         InBuffer<BufferAttr_HipcMapAlias> mask_buffer,
@@ -91,6 +103,8 @@ private:
     Result GetProgramIndexForAccessLog(Out<AccessLogVersion> out_access_log_version,
                                        Out<u32> out_access_log_program_index);
     Result OpenMultiCommitManager(OutInterface<IMultiCommitManager> out_interface);
+    Result ExtendSaveDataFileSystem(FileSys::SaveDataSpaceId space_id, u64 save_data_id,
+                                    s64 available_size, s64 journal_size);
     Result GetCacheStorageSize(s32 index, Out<s64> out_data_size, Out<s64> out_journal_size);
 
     FileSystemController& fsc;
diff --git a/src/core/hle/service/friend/friend.cpp b/src/core/hle/service/friend/friend.cpp
index aeb849efa..38e62761b 100644
--- a/src/core/hle/service/friend/friend.cpp
+++ b/src/core/hle/service/friend/friend.cpp
@@ -42,13 +42,13 @@ public:
             {10701, nullptr, "GetPlayHistoryRegistrationKeyWithNetworkServiceAccountId"},
             {10702, nullptr, "AddPlayHistory"},
             {11000, nullptr, "GetProfileImageUrl"},
-            {20100, nullptr, "GetFriendCount"},
-            {20101, nullptr, "GetNewlyFriendCount"},
+            {20100, &IFriendService::GetFriendCount, "GetFriendCount"},
+            {20101, &IFriendService::GetNewlyFriendCount, "GetNewlyFriendCount"},
             {20102, nullptr, "GetFriendDetailedInfo"},
             {20103, nullptr, "SyncFriendList"},
             {20104, nullptr, "RequestSyncFriendList"},
             {20110, nullptr, "LoadFriendSetting"},
-            {20200, nullptr, "GetReceivedFriendRequestCount"},
+            {20200, &IFriendService::GetReceivedFriendRequestCount, "GetReceivedFriendRequestCount"},
             {20201, nullptr, "GetFriendRequestList"},
             {20300, nullptr, "GetFriendCandidateList"},
             {20301, nullptr, "GetNintendoNetworkIdInfo"},
@@ -61,14 +61,14 @@ public:
             {20501, nullptr, "GetRelationship"},
             {20600, nullptr, "GetUserPresenceView"},
             {20700, nullptr, "GetPlayHistoryList"},
-            {20701, nullptr, "GetPlayHistoryStatistics"},
+            {20701, &IFriendService::GetPlayHistoryStatistics, "GetPlayHistoryStatistics"},
             {20800, nullptr, "LoadUserSetting"},
             {20801, nullptr, "SyncUserSetting"},
             {20900, nullptr, "RequestListSummaryOverlayNotification"},
             {21000, nullptr, "GetExternalApplicationCatalog"},
             {22000, nullptr, "GetReceivedFriendInvitationList"},
             {22001, nullptr, "GetReceivedFriendInvitationDetailedInfo"},
-            {22010, nullptr, "GetReceivedFriendInvitationCountCache"},
+            {22010, &IFriendService::GetReceivedFriendInvitationCountCache, "GetReceivedFriendInvitationCountCache"},
             {30100, nullptr, "DropFriendNewlyFlags"},
             {30101, nullptr, "DeleteFriend"},
             {30110, nullptr, "DropFriendNewlyFlag"},
@@ -144,6 +144,33 @@ private:
         rb.PushCopyObjects(completion_event->GetReadableEvent());
     }
 
+    void GetFriendList(HLERequestContext& ctx) {
+        IPC::RequestParser rp{ctx};
+        const auto friend_offset = rp.Pop<u32>();
+        const auto uuid = rp.PopRaw<Common::UUID>();
+        [[maybe_unused]] const auto filter = rp.PopRaw<SizedFriendFilter>();
+        const auto pid = rp.Pop<u64>();
+        LOG_WARNING(Service_Friend, "(STUBBED) called, offset={}, uuid=0x{}, pid={}", friend_offset,
+                    uuid.RawString(), pid);
+
+        IPC::ResponseBuilder rb{ctx, 3};
+        rb.Push(ResultSuccess);
+
+        rb.Push<u32>(0); // Friend count
+        // TODO(ogniK): Return a buffer of u64s which are the "NetworkServiceAccountId"
+    }
+
+    void CheckFriendListAvailability(HLERequestContext& ctx) {
+        IPC::RequestParser rp{ctx};
+        const auto uuid{rp.PopRaw<Common::UUID>()};
+
+        LOG_WARNING(Service_Friend, "(STUBBED) called, uuid=0x{}", uuid.RawString());
+
+        IPC::ResponseBuilder rb{ctx, 3};
+        rb.Push(ResultSuccess);
+        rb.Push(true);
+    }
+
     void GetBlockedUserListIds(HLERequestContext& ctx) {
         // This is safe to stub, as there should be no adverse consequences from reporting no
         // blocked users.
@@ -153,6 +180,17 @@ private:
         rb.Push<u32>(0); // Indicates there are no blocked users
     }
 
+    void CheckBlockedUserListAvailability(HLERequestContext& ctx) {
+        IPC::RequestParser rp{ctx};
+        const auto uuid{rp.PopRaw<Common::UUID>()};
+
+        LOG_WARNING(Service_Friend, "(STUBBED) called, uuid=0x{}", uuid.RawString());
+
+        IPC::ResponseBuilder rb{ctx, 3};
+        rb.Push(ResultSuccess);
+        rb.Push(true);
+    }
+
     void DeclareCloseOnlinePlaySession(HLERequestContext& ctx) {
         // Stub used by Splatoon 2
         LOG_WARNING(Service_Friend, "(STUBBED) called");
@@ -179,42 +217,43 @@ private:
         rb.Push(ResultSuccess);
     }
 
-    void GetFriendList(HLERequestContext& ctx) {
-        IPC::RequestParser rp{ctx};
-        const auto friend_offset = rp.Pop<u32>();
-        const auto uuid = rp.PopRaw<Common::UUID>();
-        [[maybe_unused]] const auto filter = rp.PopRaw<SizedFriendFilter>();
-        const auto pid = rp.Pop<u64>();
-        LOG_WARNING(Service_Friend, "(STUBBED) called, offset={}, uuid=0x{}, pid={}", friend_offset,
-                    uuid.RawString(), pid);
+    void GetFriendCount(HLERequestContext& ctx) {
+        LOG_DEBUG(Service_Friend, "(STUBBED) called");
 
         IPC::ResponseBuilder rb{ctx, 3};
         rb.Push(ResultSuccess);
-
-        rb.Push<u32>(0); // Friend count
-        // TODO(ogniK): Return a buffer of u64s which are the "NetworkServiceAccountId"
+        rb.Push(0);
     }
 
-    void CheckFriendListAvailability(HLERequestContext& ctx) {
-        IPC::RequestParser rp{ctx};
-        const auto uuid{rp.PopRaw<Common::UUID>()};
+    void GetNewlyFriendCount(HLERequestContext& ctx) {
+        LOG_DEBUG(Service_Friend, "(STUBBED) called");
 
-        LOG_WARNING(Service_Friend, "(STUBBED) called, uuid=0x{}", uuid.RawString());
+        IPC::ResponseBuilder rb{ctx, 3};
+        rb.Push(ResultSuccess);
+        rb.Push(0);
+    }
+
+    void GetReceivedFriendRequestCount(HLERequestContext& ctx) {
+        LOG_DEBUG(Service_Friend, "(STUBBED) called");
 
         IPC::ResponseBuilder rb{ctx, 3};
         rb.Push(ResultSuccess);
-        rb.Push(true);
+        rb.Push(0);
     }
 
-    void CheckBlockedUserListAvailability(HLERequestContext& ctx) {
-        IPC::RequestParser rp{ctx};
-        const auto uuid{rp.PopRaw<Common::UUID>()};
+    void GetPlayHistoryStatistics(HLERequestContext& ctx) {
+        LOG_ERROR(Service_Friend, "(STUBBED) called, check in out");
 
-        LOG_WARNING(Service_Friend, "(STUBBED) called, uuid=0x{}", uuid.RawString());
+        IPC::ResponseBuilder rb{ctx, 2};
+        rb.Push(ResultSuccess);
+    }
+
+    void GetReceivedFriendInvitationCountCache(HLERequestContext& ctx) {
+        LOG_DEBUG(Service_Friend, "(STUBBED) called, check in out");
 
         IPC::ResponseBuilder rb{ctx, 3};
         rb.Push(ResultSuccess);
-        rb.Push(true);
+        rb.Push(0);
     }
 
     KernelHelpers::ServiceContext service_context;
diff --git a/src/core/hle/service/glue/time/manager.cpp b/src/core/hle/service/glue/time/manager.cpp
index 059ac3fc9..cb88486dd 100644
--- a/src/core/hle/service/glue/time/manager.cpp
+++ b/src/core/hle/service/glue/time/manager.cpp
@@ -51,16 +51,17 @@ s64 CalendarTimeToEpoch(Service::PSC::Time::CalendarTime calendar) {
 }
 
 s64 GetEpochTimeFromInitialYear(std::shared_ptr<Service::Set::ISystemSettingsServer>& set_sys) {
+    s32 year{2000};
+    set_sys->GetSettingsItemValueImpl(year, "time", "standard_user_clock_initial_year");
+
     Service::PSC::Time::CalendarTime calendar{
-        .year = 2000,
+        .year = static_cast<s16>(year),
         .month = 1,
         .day = 1,
         .hour = 0,
         .minute = 0,
         .second = 0,
     };
-    set_sys->GetSettingsItemValueImpl<s16>(calendar.year, "time",
-                                           "standard_user_clock_initial_year");
     return CalendarTimeToEpoch(calendar);
 }
 
diff --git a/src/core/hle/service/glue/time/worker.cpp b/src/core/hle/service/glue/time/worker.cpp
index b28569b68..b6bbd7965 100644
--- a/src/core/hle/service/glue/time/worker.cpp
+++ b/src/core/hle/service/glue/time/worker.cpp
@@ -26,12 +26,9 @@ Service::PSC::Time::SystemClockContext g_report_ephemeral_clock_context{};
 template <typename T>
 T GetSettingsItemValue(std::shared_ptr<Service::Set::ISystemSettingsServer>& set_sys,
                        const char* category, const char* name) {
-    std::vector<u8> interval_buf;
-    auto res = set_sys->GetSettingsItemValueImpl(interval_buf, category, name);
-    ASSERT(res == ResultSuccess);
-
     T v{};
-    std::memcpy(&v, interval_buf.data(), sizeof(T));
+    auto res = set_sys->GetSettingsItemValueImpl(v, category, name);
+    ASSERT(res == ResultSuccess);
     return v;
 }
 
diff --git a/src/core/hle/service/hid/hid_system_server.cpp b/src/core/hle/service/hid/hid_system_server.cpp
index 7126a1dcd..b0cd63d72 100644
--- a/src/core/hle/service/hid/hid_system_server.cpp
+++ b/src/core/hle/service/hid/hid_system_server.cpp
@@ -201,7 +201,7 @@ IHidSystemServer::IHidSystemServer(Core::System& system_, std::shared_ptr<Resour
         {1269, nullptr, "DeleteButtonConfigStorageLeft"},
         {1270, nullptr, "DeleteButtonConfigStorageRight"},
         {1271, &IHidSystemServer::IsUsingCustomButtonConfig, "IsUsingCustomButtonConfig"},
-        {1272, nullptr, "IsAnyCustomButtonConfigEnabled"},
+        {1272, &IHidSystemServer::IsAnyCustomButtonConfigEnabled, "IsAnyCustomButtonConfigEnabled"},
         {1273, nullptr, "SetAllCustomButtonConfigEnabled"},
         {1274, nullptr, "SetDefaultButtonConfig"},
         {1275, nullptr, "SetAllDefaultButtonConfig"},
@@ -926,6 +926,16 @@ void IHidSystemServer::IsUsingCustomButtonConfig(HLERequestContext& ctx) {
     rb.Push(is_enabled);
 }
 
+void IHidSystemServer::IsAnyCustomButtonConfigEnabled(HLERequestContext& ctx) {
+    const bool is_enabled = false;
+
+    LOG_DEBUG(Service_HID, "(STUBBED) called, is_enabled={}", is_enabled);
+
+    IPC::ResponseBuilder rb{ctx, 3};
+    rb.Push(ResultSuccess);
+    rb.Push(is_enabled);
+}
+
 std::shared_ptr<ResourceManager> IHidSystemServer::GetResourceManager() {
     resource_manager->Initialize();
     return resource_manager;
diff --git a/src/core/hle/service/hid/hid_system_server.h b/src/core/hle/service/hid/hid_system_server.h
index 738313e08..1a4f244d7 100644
--- a/src/core/hle/service/hid/hid_system_server.h
+++ b/src/core/hle/service/hid/hid_system_server.h
@@ -77,6 +77,7 @@ private:
     void GetTouchScreenDefaultConfiguration(HLERequestContext& ctx);
     void SetForceHandheldStyleVibration(HLERequestContext& ctx);
     void IsUsingCustomButtonConfig(HLERequestContext& ctx);
+    void IsAnyCustomButtonConfigEnabled(HLERequestContext& ctx);
 
     std::shared_ptr<ResourceManager> GetResourceManager();
 
diff --git a/src/core/hle/service/lbl/lbl.cpp b/src/core/hle/service/lbl/lbl.cpp
index 98a79365d..c14b24142 100644
--- a/src/core/hle/service/lbl/lbl.cpp
+++ b/src/core/hle/service/lbl/lbl.cpp
@@ -18,8 +18,8 @@ public:
     explicit LBL(Core::System& system_) : ServiceFramework{system_, "lbl"} {
         // clang-format off
         static const FunctionInfo functions[] = {
-            {0, nullptr, "SaveCurrentSetting"},
-            {1, nullptr, "LoadCurrentSetting"},
+            {0, &LBL::SaveCurrentSetting, "SaveCurrentSetting"},
+            {1, &LBL::LoadCurrentSetting, "LoadCurrentSetting"},
             {2, &LBL::SetCurrentBrightnessSetting, "SetCurrentBrightnessSetting"},
             {3, &LBL::GetCurrentBrightnessSetting, "GetCurrentBrightnessSetting"},
             {4, nullptr, "ApplyCurrentBrightnessSettingToBacklight"},
@@ -47,7 +47,7 @@ public:
             {26, &LBL::EnableVrMode, "EnableVrMode"},
             {27, &LBL::DisableVrMode, "DisableVrMode"},
             {28, &LBL::IsVrModeEnabled, "IsVrModeEnabled"},
-            {29, nullptr, "IsAutoBrightnessControlSupported"},
+            {29, &LBL::IsAutoBrightnessControlSupported, "IsAutoBrightnessControlSupported"},
         };
         // clang-format on
 
@@ -60,6 +60,20 @@ private:
         On = 1,
     };
 
+    void SaveCurrentSetting(HLERequestContext& ctx) {
+        LOG_WARNING(Service_LBL, "(STUBBED) called");
+
+        IPC::ResponseBuilder rb{ctx, 2};
+        rb.Push(ResultSuccess);
+    }
+
+    void LoadCurrentSetting(HLERequestContext& ctx) {
+        LOG_WARNING(Service_LBL, "(STUBBED) called");
+
+        IPC::ResponseBuilder rb{ctx, 2};
+        rb.Push(ResultSuccess);
+    }
+
     void SetCurrentBrightnessSetting(HLERequestContext& ctx) {
         IPC::RequestParser rp{ctx};
         auto brightness = rp.Pop<float>();
@@ -310,6 +324,14 @@ private:
         rb.Push(vr_mode_enabled);
     }
 
+    void IsAutoBrightnessControlSupported(HLERequestContext& ctx) {
+        LOG_DEBUG(Service_LBL, "called");
+
+        IPC::ResponseBuilder rb{ctx, 3};
+        rb.Push(ResultSuccess);
+        rb.Push<u8>(auto_brightness_supported);
+    }
+
     bool vr_mode_enabled = false;
     float current_brightness = 1.0f;
     float ambient_light_value = 0.0f;
@@ -317,7 +339,8 @@ private:
     bool dimming = true;
     bool backlight_enabled = true;
     bool update_instantly = false;
-    bool auto_brightness = false; // TODO(ogniK): Move to system settings
+    bool auto_brightness = false;
+    bool auto_brightness_supported = true; // TODO(ogniK): Move to system settings
 };
 
 void LoopProcess(Core::System& system) {
diff --git a/src/core/hle/service/ldn/monitor_service.cpp b/src/core/hle/service/ldn/monitor_service.cpp
index 3471f69da..ea6ac4d5d 100644
--- a/src/core/hle/service/ldn/monitor_service.cpp
+++ b/src/core/hle/service/ldn/monitor_service.cpp
@@ -2,6 +2,7 @@
 // SPDX-License-Identifier: GPL-3.0-or-later
 
 #include "core/hle/service/cmif_serialization.h"
+#include "core/hle/service/ldn/ldn_results.h"
 #include "core/hle/service/ldn/monitor_service.h"
 
 namespace Service::LDN {
@@ -17,7 +18,7 @@ IMonitorService::IMonitorService(Core::System& system_)
         {4, nullptr, "GetSecurityParameterForMonitor"},
         {5, nullptr, "GetNetworkConfigForMonitor"},
         {100, C<&IMonitorService::InitializeMonitor>, "InitializeMonitor"},
-        {101, nullptr, "FinalizeMonitor"},
+        {101, C<&IMonitorService::FinalizeMonitor>, "FinalizeMonitor"},
     };
     // clang-format on
 
@@ -27,16 +28,18 @@ IMonitorService::IMonitorService(Core::System& system_)
 IMonitorService::~IMonitorService() = default;
 
 Result IMonitorService::GetStateForMonitor(Out<State> out_state) {
-    LOG_INFO(Service_LDN, "called");
-
-    *out_state = state;
+    LOG_WARNING(Service_LDN, "(STUBBED) called");
+    *out_state = State::None;
     R_SUCCEED();
 }
 
 Result IMonitorService::InitializeMonitor() {
     LOG_INFO(Service_LDN, "called");
+    R_SUCCEED();
+}
 
-    state = State::Initialized;
+Result IMonitorService::FinalizeMonitor() {
+    LOG_INFO(Service_LDN, "called");
     R_SUCCEED();
 }
 
diff --git a/src/core/hle/service/ldn/monitor_service.h b/src/core/hle/service/ldn/monitor_service.h
index 61aacef30..e663145b4 100644
--- a/src/core/hle/service/ldn/monitor_service.h
+++ b/src/core/hle/service/ldn/monitor_service.h
@@ -21,6 +21,7 @@ public:
 private:
     Result GetStateForMonitor(Out<State> out_state);
     Result InitializeMonitor();
+    Result FinalizeMonitor();
 
     State state{State::None};
 };
diff --git a/src/core/hle/service/nfc/common/device_manager.cpp b/src/core/hle/service/nfc/common/device_manager.cpp
index 94a8243b5..2dd3e9f89 100644
--- a/src/core/hle/service/nfc/common/device_manager.cpp
+++ b/src/core/hle/service/nfc/common/device_manager.cpp
@@ -13,6 +13,7 @@
 #include "core/hle/service/nfc/nfc_result.h"
 #include "core/hle/service/psc/time/steady_clock.h"
 #include "core/hle/service/service.h"
+#include "core/hle/service/set/system_settings_server.h"
 #include "core/hle/service/sm/sm.h"
 #include "hid_core/hid_types.h"
 #include "hid_core/hid_util.h"
@@ -32,6 +33,9 @@ DeviceManager::DeviceManager(Core::System& system_, KernelHelpers::ServiceContex
     }
 
     is_initialized = false;
+
+    m_set_sys =
+        system.ServiceManager().GetService<Service::Set::ISystemSettingsServer>("set:sys", true);
 }
 
 DeviceManager ::~DeviceManager() {
@@ -774,8 +778,8 @@ Result DeviceManager::CheckDeviceState(std::shared_ptr<NfcDevice> device) const
 }
 
 Result DeviceManager::IsNfcEnabled() const {
-    // TODO: This calls nn::settings::detail::GetNfcEnableFlag
-    const bool is_enabled = true;
+    bool is_enabled{};
+    R_TRY(m_set_sys->GetNfcEnableFlag(&is_enabled));
     if (!is_enabled) {
         return ResultNfcDisabled;
     }
diff --git a/src/core/hle/service/nfc/common/device_manager.h b/src/core/hle/service/nfc/common/device_manager.h
index c56a2fbda..6c0e6b255 100644
--- a/src/core/hle/service/nfc/common/device_manager.h
+++ b/src/core/hle/service/nfc/common/device_manager.h
@@ -15,6 +15,10 @@
 #include "core/hle/service/service.h"
 #include "hid_core/hid_types.h"
 
+namespace Service::Set {
+class ISystemSettingsServer;
+}
+
 namespace Service::NFC {
 class NfcDevice;
 
@@ -98,6 +102,7 @@ private:
     Core::System& system;
     KernelHelpers::ServiceContext service_context;
     Kernel::KEvent* availability_change_event;
+    std::shared_ptr<Service::Set::ISystemSettingsServer> m_set_sys;
 };
 
 } // namespace Service::NFC
diff --git a/src/core/hle/service/nfc/nfc.cpp b/src/core/hle/service/nfc/nfc.cpp
index 30ae989b9..9d4808dbe 100644
--- a/src/core/hle/service/nfc/nfc.cpp
+++ b/src/core/hle/service/nfc/nfc.cpp
@@ -57,7 +57,7 @@ public:
             {1, &NfcInterface::Finalize, "FinalizeOld"},
             {2, &NfcInterface::GetState, "GetStateOld"},
             {3, &NfcInterface::IsNfcEnabled, "IsNfcEnabledOld"},
-            {100, nullptr, "SetNfcEnabledOld"},
+            {100, &NfcInterface::SetNfcEnabled, "SetNfcEnabledOld"},
             {400, &NfcInterface::Initialize, "Initialize"},
             {401, &NfcInterface::Finalize, "Finalize"},
             {402, &NfcInterface::GetState, "GetState"},
@@ -71,7 +71,7 @@ public:
             {410, &NfcInterface::GetTagInfo, "GetTagInfo"},
             {411, &NfcInterface::AttachActivateEvent, "AttachActivateEvent"},
             {412, &NfcInterface::AttachDeactivateEvent, "AttachDeactivateEvent"},
-            {500, nullptr, "SetNfcEnabled"},
+            {500, &NfcInterface::SetNfcEnabled, "SetNfcEnabled"},
             {510, nullptr, "OutputTestWave"},
             {1000, &NfcInterface::ReadMifare, "ReadMifare"},
             {1001, &NfcInterface::WriteMifare, "WriteMifare"},
diff --git a/src/core/hle/service/nfc/nfc_interface.cpp b/src/core/hle/service/nfc/nfc_interface.cpp
index 3e2c7deab..c28e55431 100644
--- a/src/core/hle/service/nfc/nfc_interface.cpp
+++ b/src/core/hle/service/nfc/nfc_interface.cpp
@@ -13,13 +13,18 @@
 #include "core/hle/service/nfc/nfc_result.h"
 #include "core/hle/service/nfc/nfc_types.h"
 #include "core/hle/service/nfp/nfp_result.h"
+#include "core/hle/service/set/system_settings_server.h"
+#include "core/hle/service/sm/sm.h"
 #include "hid_core/hid_types.h"
 
 namespace Service::NFC {
 
 NfcInterface::NfcInterface(Core::System& system_, const char* name, BackendType service_backend)
     : ServiceFramework{system_, name}, service_context{system_, service_name},
-      backend_type{service_backend} {}
+      backend_type{service_backend} {
+    m_set_sys =
+        system.ServiceManager().GetService<Service::Set::ISystemSettingsServer>("set:sys", true);
+}
 
 NfcInterface ::~NfcInterface() = default;
 
@@ -65,11 +70,11 @@ void NfcInterface::GetState(HLERequestContext& ctx) {
 void NfcInterface::IsNfcEnabled(HLERequestContext& ctx) {
     LOG_DEBUG(Service_NFC, "called");
 
-    // TODO: This calls nn::settings::detail::GetNfcEnableFlag
-    const bool is_enabled = true;
+    bool is_enabled{};
+    const auto result = m_set_sys->GetNfcEnableFlag(&is_enabled);
 
     IPC::ResponseBuilder rb{ctx, 3};
-    rb.Push(ResultSuccess);
+    rb.Push(result);
     rb.Push(is_enabled);
 }
 
@@ -212,6 +217,17 @@ void NfcInterface::AttachDeactivateEvent(HLERequestContext& ctx) {
     rb.PushCopyObjects(out_event);
 }
 
+void NfcInterface::SetNfcEnabled(HLERequestContext& ctx) {
+    IPC::RequestParser rp{ctx};
+    const auto is_enabled{rp.Pop<bool>()};
+    LOG_DEBUG(Service_NFC, "called, is_enabled={}", is_enabled);
+
+    const auto result = m_set_sys->SetNfcEnableFlag(is_enabled);
+
+    IPC::ResponseBuilder rb{ctx, 2};
+    rb.Push(result);
+}
+
 void NfcInterface::ReadMifare(HLERequestContext& ctx) {
     IPC::RequestParser rp{ctx};
     const auto device_handle{rp.Pop<u64>()};
diff --git a/src/core/hle/service/nfc/nfc_interface.h b/src/core/hle/service/nfc/nfc_interface.h
index 08be174d8..5cc0d8ec0 100644
--- a/src/core/hle/service/nfc/nfc_interface.h
+++ b/src/core/hle/service/nfc/nfc_interface.h
@@ -7,6 +7,10 @@
 #include "core/hle/service/nfc/nfc_types.h"
 #include "core/hle/service/service.h"
 
+namespace Service::Set {
+class ISystemSettingsServer;
+}
+
 namespace Service::NFC {
 class DeviceManager;
 
@@ -29,6 +33,7 @@ public:
     void AttachActivateEvent(HLERequestContext& ctx);
     void AttachDeactivateEvent(HLERequestContext& ctx);
     void ReadMifare(HLERequestContext& ctx);
+    void SetNfcEnabled(HLERequestContext& ctx);
     void WriteMifare(HLERequestContext& ctx);
     void SendCommandByPassThrough(HLERequestContext& ctx);
 
@@ -44,6 +49,7 @@ protected:
     BackendType backend_type;
     State state{State::NonInitialized};
     std::shared_ptr<DeviceManager> device_manager = nullptr;
+    std::shared_ptr<Service::Set::ISystemSettingsServer> m_set_sys;
 };
 
 } // namespace Service::NFC
diff --git a/src/core/hle/service/npns/npns.cpp b/src/core/hle/service/npns/npns.cpp
index a162e5c54..e54827efe 100644
--- a/src/core/hle/service/npns/npns.cpp
+++ b/src/core/hle/service/npns/npns.cpp
@@ -3,22 +3,26 @@
 
 #include <memory>
 
+#include "core/hle/kernel/k_event.h"
+#include "core/hle/service/cmif_serialization.h"
+#include "core/hle/service/kernel_helpers.h"
 #include "core/hle/service/npns/npns.h"
 #include "core/hle/service/server_manager.h"
 #include "core/hle/service/service.h"
 
 namespace Service::NPNS {
 
-class NPNS_S final : public ServiceFramework<NPNS_S> {
+class INpnsSystem final : public ServiceFramework<INpnsSystem> {
 public:
-    explicit NPNS_S(Core::System& system_) : ServiceFramework{system_, "npns:s"} {
+    explicit INpnsSystem(Core::System& system_)
+        : ServiceFramework{system_, "npns:s"}, service_context{system, "npns:s"} {
         // clang-format off
         static const FunctionInfo functions[] = {
             {1, nullptr, "ListenAll"},
-            {2, nullptr, "ListenTo"},
+            {2, C<&INpnsSystem::ListenTo>, "ListenTo"},
             {3, nullptr, "Receive"},
             {4, nullptr, "ReceiveRaw"},
-            {5, nullptr, "GetReceiveEvent"},
+            {5, C<&INpnsSystem::GetReceiveEvent>, "GetReceiveEvent"},
             {6, nullptr, "ListenUndelivered"},
             {7, nullptr, "GetStateChangeEVent"},
             {11, nullptr, "SubscribeTopic"},
@@ -59,12 +63,34 @@ public:
         // clang-format on
 
         RegisterHandlers(functions);
+
+        get_receive_event = service_context.CreateEvent("npns:s:GetReceiveEvent");
     }
+
+    ~INpnsSystem() override {
+        service_context.CloseEvent(get_receive_event);
+    }
+
+private:
+    Result ListenTo(u32 program_id) {
+        LOG_WARNING(Service_AM, "(STUBBED) called, program_id={}", program_id);
+        R_SUCCEED();
+    }
+
+    Result GetReceiveEvent(OutCopyHandle<Kernel::KReadableEvent> out_event) {
+        LOG_WARNING(Service_AM, "(STUBBED) called");
+
+        *out_event = &get_receive_event->GetReadableEvent();
+        R_SUCCEED();
+    }
+
+    KernelHelpers::ServiceContext service_context;
+    Kernel::KEvent* get_receive_event;
 };
 
-class NPNS_U final : public ServiceFramework<NPNS_U> {
+class INpnsUser final : public ServiceFramework<INpnsUser> {
 public:
-    explicit NPNS_U(Core::System& system_) : ServiceFramework{system_, "npns:u"} {
+    explicit INpnsUser(Core::System& system_) : ServiceFramework{system_, "npns:u"} {
         // clang-format off
         static const FunctionInfo functions[] = {
             {1, nullptr, "ListenAll"},
@@ -97,8 +123,8 @@ public:
 void LoopProcess(Core::System& system) {
     auto server_manager = std::make_unique<ServerManager>(system);
 
-    server_manager->RegisterNamedService("npns:s", std::make_shared<NPNS_S>(system));
-    server_manager->RegisterNamedService("npns:u", std::make_shared<NPNS_U>(system));
+    server_manager->RegisterNamedService("npns:s", std::make_shared<INpnsSystem>(system));
+    server_manager->RegisterNamedService("npns:u", std::make_shared<INpnsUser>(system));
     ServerManager::RunServer(std::move(server_manager));
 }
 
diff --git a/src/core/hle/service/nvdrv/devices/nvhost_gpu.cpp b/src/core/hle/service/nvdrv/devices/nvhost_gpu.cpp
index bf12d69a5..efc9cca1c 100644
--- a/src/core/hle/service/nvdrv/devices/nvhost_gpu.cpp
+++ b/src/core/hle/service/nvdrv/devices/nvhost_gpu.cpp
@@ -5,6 +5,7 @@
 #include "common/assert.h"
 #include "common/logging/log.h"
 #include "core/core.h"
+#include "core/hle/kernel/k_process.h"
 #include "core/hle/service/nvdrv/core/container.h"
 #include "core/hle/service/nvdrv/core/nvmap.h"
 #include "core/hle/service/nvdrv/core/syncpoint_manager.h"
@@ -75,7 +76,7 @@ NvResult nvhost_gpu::Ioctl1(DeviceFD fd, Ioctl command, std::span<const u8> inpu
         case 0xd:
             return WrapFixed(this, &nvhost_gpu::SetChannelPriority, input, output);
         case 0x1a:
-            return WrapFixed(this, &nvhost_gpu::AllocGPFIFOEx2, input, output);
+            return WrapFixed(this, &nvhost_gpu::AllocGPFIFOEx2, input, output, fd);
         case 0x1b:
             return WrapFixedVariable(this, &nvhost_gpu::SubmitGPFIFOBase1, input, output, true);
         case 0x1d:
@@ -120,8 +121,13 @@ NvResult nvhost_gpu::Ioctl3(DeviceFD fd, Ioctl command, std::span<const u8> inpu
     return NvResult::NotImplemented;
 }
 
-void nvhost_gpu::OnOpen(NvCore::SessionId session_id, DeviceFD fd) {}
-void nvhost_gpu::OnClose(DeviceFD fd) {}
+void nvhost_gpu::OnOpen(NvCore::SessionId session_id, DeviceFD fd) {
+    sessions[fd] = session_id;
+}
+
+void nvhost_gpu::OnClose(DeviceFD fd) {
+    sessions.erase(fd);
+}
 
 NvResult nvhost_gpu::SetNVMAPfd(IoctlSetNvmapFD& params) {
     LOG_DEBUG(Service_NVDRV, "called, fd={}", params.nvmap_fd);
@@ -161,7 +167,7 @@ NvResult nvhost_gpu::SetChannelPriority(IoctlChannelSetPriority& params) {
     return NvResult::Success;
 }
 
-NvResult nvhost_gpu::AllocGPFIFOEx2(IoctlAllocGpfifoEx2& params) {
+NvResult nvhost_gpu::AllocGPFIFOEx2(IoctlAllocGpfifoEx2& params, DeviceFD fd) {
     LOG_WARNING(Service_NVDRV,
                 "(STUBBED) called, num_entries={:X}, flags={:X}, unk0={:X}, "
                 "unk1={:X}, unk2={:X}, unk3={:X}",
@@ -173,7 +179,12 @@ NvResult nvhost_gpu::AllocGPFIFOEx2(IoctlAllocGpfifoEx2& params) {
         return NvResult::AlreadyAllocated;
     }
 
-    system.GPU().InitChannel(*channel_state);
+    u64 program_id{};
+    if (auto* const session = core.GetSession(sessions[fd]); session != nullptr) {
+        program_id = session->process->GetProgramId();
+    }
+
+    system.GPU().InitChannel(*channel_state, program_id);
 
     params.fence_out = syncpoint_manager.GetSyncpointFence(channel_syncpoint);
 
diff --git a/src/core/hle/service/nvdrv/devices/nvhost_gpu.h b/src/core/hle/service/nvdrv/devices/nvhost_gpu.h
index e34a978db..e0aeef953 100644
--- a/src/core/hle/service/nvdrv/devices/nvhost_gpu.h
+++ b/src/core/hle/service/nvdrv/devices/nvhost_gpu.h
@@ -192,7 +192,7 @@ private:
     NvResult ZCullBind(IoctlZCullBind& params);
     NvResult SetErrorNotifier(IoctlSetErrorNotifier& params);
     NvResult SetChannelPriority(IoctlChannelSetPriority& params);
-    NvResult AllocGPFIFOEx2(IoctlAllocGpfifoEx2& params);
+    NvResult AllocGPFIFOEx2(IoctlAllocGpfifoEx2& params, DeviceFD fd);
     NvResult AllocateObjectContext(IoctlAllocObjCtx& params);
 
     NvResult SubmitGPFIFOImpl(IoctlSubmitGpfifo& params, Tegra::CommandList&& entries);
@@ -210,6 +210,7 @@ private:
     NvCore::SyncpointManager& syncpoint_manager;
     NvCore::NvMap& nvmap;
     std::shared_ptr<Tegra::Control::ChannelState> channel_state;
+    std::unordered_map<DeviceFD, NvCore::SessionId> sessions;
     u32 channel_syncpoint;
     std::mutex channel_mutex;
 
diff --git a/src/core/hle/service/server_manager.cpp b/src/core/hle/service/server_manager.cpp
index 0b41bbcb9..3d898725e 100644
--- a/src/core/hle/service/server_manager.cpp
+++ b/src/core/hle/service/server_manager.cpp
@@ -93,13 +93,19 @@ ServerManager::~ServerManager() {
     m_threads.clear();
 
     // Clean up ports.
-    for (auto it = m_servers.begin(); it != m_servers.end(); it = m_servers.erase(it)) {
-        delete std::addressof(*it);
+    auto port_it = m_servers.begin();
+    while (port_it != m_servers.end()) {
+        auto* const port = std::addressof(*port_it);
+        port_it = m_servers.erase(port_it);
+        delete port;
     }
 
     // Clean up sessions.
-    for (auto it = m_sessions.begin(); it != m_sessions.end(); it = m_sessions.erase(it)) {
-        delete std::addressof(*it);
+    auto session_it = m_sessions.begin();
+    while (session_it != m_sessions.end()) {
+        auto* const session = std::addressof(*session_it);
+        session_it = m_sessions.erase(session_it);
+        delete session;
     }
 
     // Close wakeup event.
diff --git a/src/core/hle/service/services.cpp b/src/core/hle/service/services.cpp
index 1aa85ea54..3defa4b31 100644
--- a/src/core/hle/service/services.cpp
+++ b/src/core/hle/service/services.cpp
@@ -5,7 +5,7 @@
 
 #include "core/hle/service/acc/acc.h"
 #include "core/hle/service/am/am.h"
-#include "core/hle/service/aoc/aoc_u.h"
+#include "core/hle/service/aoc/addon_content_manager.h"
 #include "core/hle/service/apm/apm.h"
 #include "core/hle/service/audio/audio.h"
 #include "core/hle/service/bcat/bcat.h"
diff --git a/src/core/hle/service/set/setting_formats/system_settings.cpp b/src/core/hle/service/set/setting_formats/system_settings.cpp
index 7231ff78e..caa30c2d5 100644
--- a/src/core/hle/service/set/setting_formats/system_settings.cpp
+++ b/src/core/hle/service/set/setting_formats/system_settings.cpp
@@ -52,6 +52,10 @@ SystemSettings DefaultSystemSettings() {
     settings.battery_percentage_flag = true;
     settings.chinese_traditional_input_method = ChineseTraditionalInputMethod::Unknown0;
     settings.vibration_master_volume = 1.0f;
+    settings.touch_screen_mode = TouchScreenMode::Standard;
+    settings.nfc_enable_flag = true;
+    settings.bluetooth_enable_flag = true;
+    settings.wireless_lan_enable_flag = true;
 
     const auto language_code =
         available_language_codes[static_cast<s32>(::Settings::values.language_index.GetValue())];
diff --git a/src/core/hle/service/set/settings_types.h b/src/core/hle/service/set/settings_types.h
index 29664e88c..92c2948b0 100644
--- a/src/core/hle/service/set/settings_types.h
+++ b/src/core/hle/service/set/settings_types.h
@@ -243,6 +243,11 @@ enum class TvResolution : u32 {
     Resolution480p,
 };
 
+enum class PlatformRegion : s32 {
+    Global = 1,
+    Terra = 2,
+};
+
 constexpr std::array<LanguageCode, 18> available_language_codes = {{
     LanguageCode::JA,
     LanguageCode::EN_US,
@@ -405,8 +410,7 @@ struct EulaVersion {
     SystemRegionCode region_code;
     EulaVersionClockType clock_type;
     INSERT_PADDING_BYTES(0x4);
-    s64 posix_time;
-    Service::PSC::Time::SteadyClockTimePoint timestamp;
+    Service::PSC::Time::SystemClockContext system_clock_context;
 };
 static_assert(sizeof(EulaVersion) == 0x30, "EulaVersion is incorrect size");
 
diff --git a/src/core/hle/service/set/system_settings_server.cpp b/src/core/hle/service/set/system_settings_server.cpp
index 93925f783..0dc8db821 100644
--- a/src/core/hle/service/set/system_settings_server.cpp
+++ b/src/core/hle/service/set/system_settings_server.cpp
@@ -26,7 +26,7 @@
 namespace Service::Set {
 
 namespace {
-constexpr u32 SETTINGS_VERSION{3u};
+constexpr u32 SETTINGS_VERSION{4u};
 constexpr auto SETTINGS_MAGIC = Common::MakeMagic('y', 'u', 'z', 'u', '_', 's', 'e', 't');
 struct SettingsHeader {
     u64 magic;
@@ -272,8 +272,8 @@ ISystemSettingsServer::ISystemSettingsServer(Core::System& system_)
         {180, nullptr, "SetZoomFlag"},
         {181, nullptr, "GetT"},
         {182, nullptr, "SetT"},
-        {183, nullptr, "GetPlatformRegion"},
-        {184, nullptr, "SetPlatformRegion"},
+        {183, C<&ISystemSettingsServer::GetPlatformRegion>, "GetPlatformRegion"},
+        {184, C<&ISystemSettingsServer::SetPlatformRegion>, "SetPlatformRegion"},
         {185, C<&ISystemSettingsServer::GetHomeMenuSchemeModel>, "GetHomeMenuSchemeModel"},
         {186, nullptr, "GetMemoryUsageRateFlag"},
         {187, C<&ISystemSettingsServer::GetTouchScreenMode>, "GetTouchScreenMode"},
@@ -306,6 +306,20 @@ ISystemSettingsServer::ISystemSettingsServer(Core::System& system_)
     RegisterHandlers(functions);
 
     SetupSettings();
+
+    m_system_settings.region_code =
+        static_cast<SystemRegionCode>(::Settings::values.region_index.GetValue());
+
+    // TODO: Remove this when starter applet is fully functional
+    EulaVersion eula_version{
+        .version = 0x10000,
+        .region_code = m_system_settings.region_code,
+        .clock_type = EulaVersionClockType::SteadyClock,
+        .system_clock_context = m_system_settings.user_system_clock_context,
+    };
+    m_system_settings.eula_versions[0] = eula_version;
+    m_system_settings.eula_version_count = 1;
+
     m_save_thread =
         std::jthread([this](std::stop_token stop_token) { StoreSettingsThreadFunc(stop_token); });
 }
@@ -701,7 +715,7 @@ Result ISystemSettingsServer::GetSettingsItemValueSize(
 }
 
 Result ISystemSettingsServer::GetSettingsItemValue(
-    OutBuffer<BufferAttr_HipcMapAlias> out_data,
+    Out<u64> out_size, OutBuffer<BufferAttr_HipcMapAlias> out_data,
     InLargeData<SettingItemName, BufferAttr_HipcPointer> setting_category_buffer,
     InLargeData<SettingItemName, BufferAttr_HipcPointer> setting_name_buffer) {
     const std::string setting_category{Common::StringFromBuffer(*setting_category_buffer)};
@@ -709,7 +723,7 @@ Result ISystemSettingsServer::GetSettingsItemValue(
 
     LOG_INFO(Service_SET, "called, category={}, name={}", setting_category, setting_name);
 
-    R_RETURN(GetSettingsItemValueImpl(out_data, setting_category, setting_name));
+    R_RETURN(GetSettingsItemValueImpl(out_data, *out_size, setting_category, setting_name));
 }
 
 Result ISystemSettingsServer::GetTvSettings(Out<TvSettings> out_tv_settings) {
@@ -1236,6 +1250,18 @@ Result ISystemSettingsServer::GetHomeMenuScheme(Out<HomeMenuScheme> out_home_men
     R_SUCCEED();
 }
 
+Result ISystemSettingsServer::GetPlatformRegion(Out<PlatformRegion> out_platform_region) {
+    LOG_WARNING(Service_SET, "(STUBBED) called");
+
+    *out_platform_region = PlatformRegion::Global;
+    R_SUCCEED();
+}
+
+Result ISystemSettingsServer::SetPlatformRegion(PlatformRegion platform_region) {
+    LOG_WARNING(Service_SET, "(STUBBED) called");
+    R_SUCCEED();
+}
+
 Result ISystemSettingsServer::GetHomeMenuSchemeModel(Out<u32> out_home_menu_scheme_model) {
     LOG_WARNING(Service_SET, "(STUBBED) called");
 
@@ -1349,13 +1375,16 @@ void ISystemSettingsServer::SetSaveNeeded() {
     m_save_needed = true;
 }
 
-Result ISystemSettingsServer::GetSettingsItemValueImpl(std::vector<u8>& out_value,
+Result ISystemSettingsServer::GetSettingsItemValueImpl(std::span<u8> out_value, u64& out_size,
                                                        const std::string& category,
                                                        const std::string& name) {
     auto settings{GetSettings()};
     R_UNLESS(settings.contains(category) && settings[category].contains(name), ResultUnknown);
 
-    out_value = settings[category][name];
+    ASSERT_MSG(out_value.size() >= settings[category][name].size(),
+               "Stored type is bigger than requested type");
+    out_size = std::min<u64>(settings[category][name].size(), out_value.size());
+    std::memcpy(out_value.data(), settings[category][name].data(), out_size);
     R_SUCCEED();
 }
 
diff --git a/src/core/hle/service/set/system_settings_server.h b/src/core/hle/service/set/system_settings_server.h
index 46e06c8ea..993e5de7d 100644
--- a/src/core/hle/service/set/system_settings_server.h
+++ b/src/core/hle/service/set/system_settings_server.h
@@ -34,20 +34,17 @@ public:
     explicit ISystemSettingsServer(Core::System& system_);
     ~ISystemSettingsServer() override;
 
-    Result GetSettingsItemValueImpl(std::vector<u8>& out_value, const std::string& category,
-                                    const std::string& name);
+    Result GetSettingsItemValueImpl(std::span<u8> out_value, u64& out_size,
+                                    const std::string& category, const std::string& name);
 
     template <typename T>
-    Result GetSettingsItemValueImpl(T& value, const std::string& category,
+    Result GetSettingsItemValueImpl(T& out_value, const std::string& category,
                                     const std::string& name) {
-        std::vector<u8> data;
-        const auto result = GetSettingsItemValueImpl(data, category, name);
-        if (result.IsError()) {
-            return result;
-        }
-        ASSERT(data.size() >= sizeof(T));
-        std::memcpy(&value, data.data(), sizeof(T));
-        return result;
+        u64 data_size{};
+        std::vector<u8> data(sizeof(T));
+        R_TRY(GetSettingsItemValueImpl(data, data_size, category, name));
+        std::memcpy(&out_value, data.data(), data_size);
+        R_SUCCEED();
     }
 
 public:
@@ -84,7 +81,7 @@ public:
         InLargeData<SettingItemName, BufferAttr_HipcPointer> setting_category_buffer,
         InLargeData<SettingItemName, BufferAttr_HipcPointer> setting_name_buf);
     Result GetSettingsItemValue(
-        OutBuffer<BufferAttr_HipcMapAlias> out_data,
+        Out<u64> out_size, OutBuffer<BufferAttr_HipcMapAlias> out_data,
         InLargeData<SettingItemName, BufferAttr_HipcPointer> setting_category_buffer,
         InLargeData<SettingItemName, BufferAttr_HipcPointer> setting_name_buffer);
     Result GetTvSettings(Out<TvSettings> out_tv_settings);
@@ -152,6 +149,8 @@ public:
     Result GetHomeMenuScheme(Out<HomeMenuScheme> out_home_menu_scheme);
     Result GetHomeMenuSchemeModel(Out<u32> out_home_menu_scheme_model);
     Result GetTouchScreenMode(Out<TouchScreenMode> out_touch_screen_mode);
+    Result GetPlatformRegion(Out<PlatformRegion> out_platform_region);
+    Result SetPlatformRegion(PlatformRegion platform_region);
     Result SetTouchScreenMode(TouchScreenMode touch_screen_mode);
     Result GetFieldTestingFlag(Out<bool> out_field_testing_flag);
     Result GetPanelCrcMode(Out<s32> out_panel_crc_mode);
diff --git a/src/core/hle/service/ssl/cert_store.cpp b/src/core/hle/service/ssl/cert_store.cpp
new file mode 100644
index 000000000..b321e5d32
--- /dev/null
+++ b/src/core/hle/service/ssl/cert_store.cpp
@@ -0,0 +1,156 @@
+// SPDX-FileCopyrightText: Copyright 2024 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include "common/alignment.h"
+#include "core/core.h"
+#include "core/file_sys/content_archive.h"
+#include "core/file_sys/nca_metadata.h"
+#include "core/file_sys/registered_cache.h"
+#include "core/file_sys/romfs.h"
+#include "core/hle/service/filesystem/filesystem.h"
+#include "core/hle/service/ssl/cert_store.h"
+
+namespace Service::SSL {
+
+// https://switchbrew.org/wiki/SSL_services#CertStore
+
+CertStore::CertStore(Core::System& system) {
+    constexpr u64 CertStoreDataId = 0x0100000000000800ULL;
+
+    auto& fsc = system.GetFileSystemController();
+
+    // Attempt to load certificate data from storage
+    const auto nca =
+        fsc.GetSystemNANDContents()->GetEntry(CertStoreDataId, FileSys::ContentRecordType::Data);
+    if (!nca) {
+        return;
+    }
+    const auto romfs = nca->GetRomFS();
+    if (!romfs) {
+        return;
+    }
+    const auto extracted = FileSys::ExtractRomFS(romfs);
+    if (!extracted) {
+        LOG_ERROR(Service_SSL, "CertStore could not be extracted, corrupt RomFS?");
+        return;
+    }
+    const auto cert_store_file = extracted->GetFile("ssl_TrustedCerts.bdf");
+    if (!cert_store_file) {
+        LOG_ERROR(Service_SSL, "Failed to find trusted certificates in CertStore");
+        return;
+    }
+
+    // Read and verify the header.
+    CertStoreHeader header;
+    cert_store_file->ReadObject(std::addressof(header));
+
+    if (header.magic != Common::MakeMagic('s', 's', 'l', 'T')) {
+        LOG_ERROR(Service_SSL, "Invalid certificate store magic");
+        return;
+    }
+
+    // Ensure the file can contains the number of entries it says it does.
+    const u64 expected_size = sizeof(header) + sizeof(CertStoreEntry) * header.num_entries;
+    const u64 actual_size = cert_store_file->GetSize();
+    if (actual_size < expected_size) {
+        LOG_ERROR(Service_SSL, "Size mismatch, expected at least {} bytes, got {}", expected_size,
+                  actual_size);
+        return;
+    }
+
+    // Read entries.
+    std::vector<CertStoreEntry> entries(header.num_entries);
+    cert_store_file->ReadArray(entries.data(), header.num_entries, sizeof(header));
+
+    // Insert into memory store.
+    for (const auto& entry : entries) {
+        m_certs.emplace(entry.certificate_id,
+                        Certificate{
+                            .status = entry.certificate_status,
+                            .der_data = cert_store_file->ReadBytes(
+                                entry.der_size, entry.der_offset + sizeof(header)),
+                        });
+    }
+}
+
+CertStore::~CertStore() = default;
+
+template <typename F>
+void CertStore::ForEachCertificate(std::span<const CaCertificateId> certificate_ids, F&& f) {
+    if (certificate_ids.size() == 1 && certificate_ids.front() == CaCertificateId::All) {
+        for (const auto& entry : m_certs) {
+            f(entry);
+        }
+    } else {
+        for (const auto certificate_id : certificate_ids) {
+            const auto entry = m_certs.find(certificate_id);
+            if (entry == m_certs.end()) {
+                continue;
+            }
+            f(*entry);
+        }
+    }
+}
+
+Result CertStore::GetCertificates(u32* out_num_entries, std::span<u8> out_data,
+                                  std::span<const CaCertificateId> certificate_ids) {
+    // Ensure the buffer is large enough to hold the output.
+    u32 required_size;
+    R_TRY(this->GetCertificateBufSize(std::addressof(required_size), out_num_entries,
+                                      certificate_ids));
+    R_UNLESS(out_data.size_bytes() >= required_size, ResultUnknown);
+
+    // Make parallel arrays.
+    std::vector<BuiltInCertificateInfo> cert_infos;
+    std::vector<u8> der_datas;
+
+    const u32 der_data_offset = (*out_num_entries + 1) * sizeof(BuiltInCertificateInfo);
+    u32 cur_der_offset = der_data_offset;
+
+    // Fill output.
+    this->ForEachCertificate(certificate_ids, [&](auto& entry) {
+        const auto& [status, cur_der_data] = entry.second;
+        BuiltInCertificateInfo cert_info{
+            .cert_id = entry.first,
+            .status = status,
+            .der_size = cur_der_data.size(),
+            .der_offset = cur_der_offset,
+        };
+
+        cert_infos.push_back(cert_info);
+        der_datas.insert(der_datas.end(), cur_der_data.begin(), cur_der_data.end());
+        cur_der_offset += static_cast<u32>(cur_der_data.size());
+    });
+
+    // Append terminator entry.
+    cert_infos.push_back(BuiltInCertificateInfo{
+        .cert_id = CaCertificateId::All,
+        .status = TrustedCertStatus::Invalid,
+        .der_size = 0,
+        .der_offset = 0,
+    });
+
+    // Write to output span.
+    std::memcpy(out_data.data(), cert_infos.data(),
+                cert_infos.size() * sizeof(BuiltInCertificateInfo));
+    std::memcpy(out_data.data() + der_data_offset, der_datas.data(), der_datas.size());
+
+    R_SUCCEED();
+}
+
+Result CertStore::GetCertificateBufSize(u32* out_size, u32* out_num_entries,
+                                        std::span<const CaCertificateId> certificate_ids) {
+    // Output size is at least the size of the terminator entry.
+    *out_size = sizeof(BuiltInCertificateInfo);
+    *out_num_entries = 0;
+
+    this->ForEachCertificate(certificate_ids, [&](auto& entry) {
+        *out_size += sizeof(BuiltInCertificateInfo);
+        *out_size += Common::AlignUp(static_cast<u32>(entry.second.der_data.size()), 4);
+        (*out_num_entries)++;
+    });
+
+    R_SUCCEED();
+}
+
+} // namespace Service::SSL
diff --git a/src/core/hle/service/ssl/cert_store.h b/src/core/hle/service/ssl/cert_store.h
new file mode 100644
index 000000000..613d7b02a
--- /dev/null
+++ b/src/core/hle/service/ssl/cert_store.h
@@ -0,0 +1,42 @@
+// SPDX-FileCopyrightText: Copyright 2024 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+#include <map>
+#include <span>
+#include <vector>
+
+#include "core/hle/result.h"
+#include "core/hle/service/ssl/ssl_types.h"
+
+namespace Core {
+class System;
+}
+
+namespace Service::SSL {
+
+class CertStore {
+public:
+    explicit CertStore(Core::System& system);
+    ~CertStore();
+
+    Result GetCertificates(u32* out_num_entries, std::span<u8> out_data,
+                           std::span<const CaCertificateId> certificate_ids);
+    Result GetCertificateBufSize(u32* out_size, u32* out_num_entries,
+                                 std::span<const CaCertificateId> certificate_ids);
+
+private:
+    template <typename F>
+    void ForEachCertificate(std::span<const CaCertificateId> certs, F&& f);
+
+private:
+    struct Certificate {
+        TrustedCertStatus status;
+        std::vector<u8> der_data;
+    };
+
+    std::map<CaCertificateId, Certificate> m_certs;
+};
+
+} // namespace Service::SSL
diff --git a/src/core/hle/service/ssl/ssl.cpp b/src/core/hle/service/ssl/ssl.cpp
index 0fbb43057..008ee4492 100644
--- a/src/core/hle/service/ssl/ssl.cpp
+++ b/src/core/hle/service/ssl/ssl.cpp
@@ -5,11 +5,13 @@
 
 #include "core/core.h"
 #include "core/hle/result.h"
+#include "core/hle/service/cmif_serialization.h"
 #include "core/hle/service/ipc_helpers.h"
 #include "core/hle/service/server_manager.h"
 #include "core/hle/service/service.h"
 #include "core/hle/service/sm/sm.h"
 #include "core/hle/service/sockets/bsd.h"
+#include "core/hle/service/ssl/cert_store.h"
 #include "core/hle/service/ssl/ssl.h"
 #include "core/hle/service/ssl/ssl_backend.h"
 #include "core/internal_network/network.h"
@@ -492,13 +494,14 @@ private:
 
 class ISslService final : public ServiceFramework<ISslService> {
 public:
-    explicit ISslService(Core::System& system_) : ServiceFramework{system_, "ssl"} {
+    explicit ISslService(Core::System& system_)
+        : ServiceFramework{system_, "ssl"}, cert_store{system} {
         // clang-format off
         static const FunctionInfo functions[] = {
             {0, &ISslService::CreateContext, "CreateContext"},
             {1, nullptr, "GetContextCount"},
-            {2, nullptr, "GetCertificates"},
-            {3, nullptr, "GetCertificateBufSize"},
+            {2, D<&ISslService::GetCertificates>, "GetCertificates"},
+            {3, D<&ISslService::GetCertificateBufSize>, "GetCertificateBufSize"},
             {4, nullptr, "DebugIoctl"},
             {5, &ISslService::SetInterfaceVersion, "SetInterfaceVersion"},
             {6, nullptr, "FlushSessionCache"},
@@ -540,6 +543,22 @@ private:
         IPC::ResponseBuilder rb{ctx, 2};
         rb.Push(ResultSuccess);
     }
+
+    Result GetCertificateBufSize(
+        Out<u32> out_size, InArray<CaCertificateId, BufferAttr_HipcMapAlias> certificate_ids) {
+        LOG_INFO(Service_SSL, "called");
+        u32 num_entries;
+        R_RETURN(cert_store.GetCertificateBufSize(out_size, &num_entries, certificate_ids));
+    }
+
+    Result GetCertificates(Out<u32> out_num_entries, OutBuffer<BufferAttr_HipcMapAlias> out_buffer,
+                           InArray<CaCertificateId, BufferAttr_HipcMapAlias> certificate_ids) {
+        LOG_INFO(Service_SSL, "called");
+        R_RETURN(cert_store.GetCertificates(out_num_entries, out_buffer, certificate_ids));
+    }
+
+private:
+    CertStore cert_store;
 };
 
 void LoopProcess(Core::System& system) {
diff --git a/src/core/hle/service/ssl/ssl_types.h b/src/core/hle/service/ssl/ssl_types.h
new file mode 100644
index 000000000..dbc3dbf64
--- /dev/null
+++ b/src/core/hle/service/ssl/ssl_types.h
@@ -0,0 +1,107 @@
+// SPDX-FileCopyrightText: Copyright 2024 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+#include "common/common_types.h"
+
+namespace Service::SSL {
+
+enum class CaCertificateId : s32 {
+    All = -1,
+    NintendoCAG3 = 1,
+    NintendoClass2CAG3 = 2,
+    NintendoRootCAG4 = 3,
+    AmazonRootCA1 = 1000,
+    StarfieldServicesRootCertificateAuthorityG2 = 1001,
+    AddTrustExternalCARoot = 1002,
+    COMODOCertificationAuthority = 1003,
+    UTNDATACorpSGC = 1004,
+    UTNUSERFirstHardware = 1005,
+    BaltimoreCyberTrustRoot = 1006,
+    CybertrustGlobalRoot = 1007,
+    VerizonGlobalRootCA = 1008,
+    DigiCertAssuredIDRootCA = 1009,
+    DigiCertAssuredIDRootG2 = 1010,
+    DigiCertGlobalRootCA = 1011,
+    DigiCertGlobalRootG2 = 1012,
+    DigiCertHighAssuranceEVRootCA = 1013,
+    EntrustnetCertificationAuthority2048 = 1014,
+    EntrustRootCertificationAuthority = 1015,
+    EntrustRootCertificationAuthorityG2 = 1016,
+    GeoTrustGlobalCA2 = 1017,
+    GeoTrustGlobalCA = 1018,
+    GeoTrustPrimaryCertificationAuthorityG3 = 1019,
+    GeoTrustPrimaryCertificationAuthority = 1020,
+    GlobalSignRootCA = 1021,
+    GlobalSignRootCAR2 = 1022,
+    GlobalSignRootCAR3 = 1023,
+    GoDaddyClass2CertificationAuthority = 1024,
+    GoDaddyRootCertificateAuthorityG2 = 1025,
+    StarfieldClass2CertificationAuthority = 1026,
+    StarfieldRootCertificateAuthorityG2 = 1027,
+    thawtePrimaryRootCAG3 = 1028,
+    thawtePrimaryRootCA = 1029,
+    VeriSignClass3PublicPrimaryCertificationAuthorityG3 = 1030,
+    VeriSignClass3PublicPrimaryCertificationAuthorityG5 = 1031,
+    VeriSignUniversalRootCertificationAuthority = 1032,
+    DSTRootCAX3 = 1033,
+    USERTrustRsaCertificationAuthority = 1034,
+    ISRGRootX10 = 1035,
+    USERTrustEccCertificationAuthority = 1036,
+    COMODORsaCertificationAuthority = 1037,
+    COMODOEccCertificationAuthority = 1038,
+    AmazonRootCA2 = 1039,
+    AmazonRootCA3 = 1040,
+    AmazonRootCA4 = 1041,
+    DigiCertAssuredIDRootG3 = 1042,
+    DigiCertGlobalRootG3 = 1043,
+    DigiCertTrustedRootG4 = 1044,
+    EntrustRootCertificationAuthorityEC1 = 1045,
+    EntrustRootCertificationAuthorityG4 = 1046,
+    GlobalSignECCRootCAR4 = 1047,
+    GlobalSignECCRootCAR5 = 1048,
+    GlobalSignECCRootCAR6 = 1049,
+    GTSRootR1 = 1050,
+    GTSRootR2 = 1051,
+    GTSRootR3 = 1052,
+    GTSRootR4 = 1053,
+    SecurityCommunicationRootCA = 1054,
+    GlobalSignRootE4 = 1055,
+    GlobalSignRootR4 = 1056,
+    TTeleSecGlobalRootClass2 = 1057,
+    DigiCertTLSECCP384RootG5 = 1058,
+    DigiCertTLSRSA4096RootG5 = 1059,
+};
+
+enum class TrustedCertStatus : s32 {
+    Invalid = -1,
+    Removed = 0,
+    EnabledTrusted = 1,
+    EnabledNotTrusted = 2,
+    Revoked = 3,
+};
+
+struct BuiltInCertificateInfo {
+    CaCertificateId cert_id;
+    TrustedCertStatus status;
+    u64 der_size;
+    u64 der_offset;
+};
+static_assert(sizeof(BuiltInCertificateInfo) == 0x18, "BuiltInCertificateInfo has incorrect size.");
+
+struct CertStoreHeader {
+    u32 magic;
+    u32 num_entries;
+};
+static_assert(sizeof(CertStoreHeader) == 0x8, "CertStoreHeader has incorrect size.");
+
+struct CertStoreEntry {
+    CaCertificateId certificate_id;
+    TrustedCertStatus certificate_status;
+    u32 der_size;
+    u32 der_offset;
+};
+static_assert(sizeof(CertStoreEntry) == 0x10, "CertStoreEntry has incorrect size.");
+
+} // namespace Service::SSL