21 files changed, 272 insertions, 118 deletions

diff --git a/src/core/frontend/applets/controller.cpp b/src/core/frontend/applets/controller.cpp
index 6dbd38ffa..e1033b634 100644
--- a/src/core/frontend/applets/controller.cpp
+++ b/src/core/frontend/applets/controller.cpp
@@ -45,26 +45,26 @@ void DefaultControllerApplet::ReconfigureControllers(std::function<void()> callb
         // Pro Controller -> Dual Joycons -> Left Joycon/Right Joycon -> Handheld
         if (parameters.allow_pro_controller) {
             controller->SetNpadStyleIndex(Core::HID::NpadStyleIndex::ProController);
-            controller->Connect();
+            controller->Connect(true);
         } else if (parameters.allow_dual_joycons) {
             controller->SetNpadStyleIndex(Core::HID::NpadStyleIndex::JoyconDual);
-            controller->Connect();
+            controller->Connect(true);
         } else if (parameters.allow_left_joycon && parameters.allow_right_joycon) {
             // Assign left joycons to even player indices and right joycons to odd player indices.
             // We do this since Captain Toad Treasure Tracker expects a left joycon for Player 1 and
             // a right Joycon for Player 2 in 2 Player Assist mode.
             if (index % 2 == 0) {
                 controller->SetNpadStyleIndex(Core::HID::NpadStyleIndex::JoyconLeft);
-                controller->Connect();
+                controller->Connect(true);
             } else {
                 controller->SetNpadStyleIndex(Core::HID::NpadStyleIndex::JoyconRight);
-                controller->Connect();
+                controller->Connect(true);
             }
         } else if (index == 0 && parameters.enable_single_mode && parameters.allow_handheld &&
                    !Settings::values.use_docked_mode.GetValue()) {
             // We should *never* reach here under any normal circumstances.
             controller->SetNpadStyleIndex(Core::HID::NpadStyleIndex::Handheld);
-            controller->Connect();
+            controller->Connect(true);
         } else {
             UNREACHABLE_MSG("Unable to add a new controller based on the given parameters!");
         }
diff --git a/src/core/hid/emulated_controller.cpp b/src/core/hid/emulated_controller.cpp
index ff9d7a7e3..2d3fce276 100644
--- a/src/core/hid/emulated_controller.cpp
+++ b/src/core/hid/emulated_controller.cpp
@@ -886,8 +886,9 @@ void EmulatedController::SetSupportedNpadStyleTag(NpadStyleTag supported_styles)
     }
 }
 
-bool EmulatedController::IsControllerSupported() const {
-    switch (npad_type) {
+bool EmulatedController::IsControllerSupported(bool use_temporary_value) const {
+    const auto type = is_configuring && use_temporary_value ? tmp_npad_type : npad_type;
+    switch (type) {
     case NpadStyleIndex::ProController:
         return supported_style_tag.fullkey;
     case NpadStyleIndex::Handheld:
@@ -915,9 +916,10 @@ bool EmulatedController::IsControllerSupported() const {
     }
 }
 
-void EmulatedController::Connect() {
-    if (!IsControllerSupported()) {
-        LOG_ERROR(Service_HID, "Controller type {} is not supported", npad_type);
+void EmulatedController::Connect(bool use_temporary_value) {
+    if (!IsControllerSupported(use_temporary_value)) {
+        const auto type = is_configuring && use_temporary_value ? tmp_npad_type : npad_type;
+        LOG_ERROR(Service_HID, "Controller type {} is not supported", type);
         return;
     }
     {
diff --git a/src/core/hid/emulated_controller.h b/src/core/hid/emulated_controller.h
index e42aafebc..d887eca87 100644
--- a/src/core/hid/emulated_controller.h
+++ b/src/core/hid/emulated_controller.h
@@ -167,8 +167,11 @@ public:
      */
     void SetSupportedNpadStyleTag(NpadStyleTag supported_styles);
 
-    /// Sets the connected status to true
-    void Connect();
+    /**
+     * Sets the connected status to true
+     * @param use_temporary_value If true tmp_npad_type will be used
+     */
+    void Connect(bool use_temporary_value = false);
 
     /// Sets the connected status to false
     void Disconnect();
@@ -319,9 +322,10 @@ private:
 
     /**
      * Checks the current controller type against the supported_style_tag
+     * @param use_temporary_value If true tmp_npad_type will be used
      * @return true if the controller is supported
      */
-    bool IsControllerSupported() const;
+    bool IsControllerSupported(bool use_temporary_value = false) const;
 
     /**
      * Updates the button status of the controller
diff --git a/src/core/hle/kernel/k_memory_block.h b/src/core/hle/kernel/k_memory_block.h
index fd491146f..9e51c33ce 100644
--- a/src/core/hle/kernel/k_memory_block.h
+++ b/src/core/hle/kernel/k_memory_block.h
@@ -120,7 +120,7 @@ static_assert(static_cast<u32>(KMemoryState::CodeOut) == 0x00402015);
 
 enum class KMemoryPermission : u8 {
     None = 0,
-    Mask = static_cast<u8>(~None),
+    All = static_cast<u8>(~None),
 
     Read = 1 << 0,
     Write = 1 << 1,
diff --git a/src/core/hle/kernel/k_page_table.cpp b/src/core/hle/kernel/k_page_table.cpp
index 99982e5a3..4da509224 100644
--- a/src/core/hle/kernel/k_page_table.cpp
+++ b/src/core/hle/kernel/k_page_table.cpp
@@ -264,9 +264,9 @@ ResultCode KPageTable::InitializeForProcess(FileSys::ProgramAddressSpaceType as_
     ASSERT(heap_last < stack_start || stack_last < heap_start);
     ASSERT(heap_last < kmap_start || kmap_last < heap_start);
 
-    current_heap_addr = heap_region_start;
-    heap_capacity = 0;
-    physical_memory_usage = 0;
+    current_heap_end = heap_region_start;
+    max_heap_size = 0;
+    mapped_physical_memory_size = 0;
     memory_pool = pool;
 
     page_table_impl.Resize(address_space_width, PageBits);
@@ -306,7 +306,7 @@ ResultCode KPageTable::MapProcessCodeMemory(VAddr dst_addr, VAddr src_addr, std:
     KMemoryState state{};
     KMemoryPermission perm{};
     CASCADE_CODE(CheckMemoryState(&state, &perm, nullptr, src_addr, size, KMemoryState::All,
-                                  KMemoryState::Normal, KMemoryPermission::Mask,
+                                  KMemoryState::Normal, KMemoryPermission::All,
                                   KMemoryPermission::ReadAndWrite, KMemoryAttribute::Mask,
                                   KMemoryAttribute::None, KMemoryAttribute::IpcAndDeviceMapped));
 
@@ -465,7 +465,7 @@ ResultCode KPageTable::MapPhysicalMemory(VAddr addr, std::size_t size) {
 
     MapPhysicalMemory(page_linked_list, addr, end_addr);
 
-    physical_memory_usage += remaining_size;
+    mapped_physical_memory_size += remaining_size;
 
     const std::size_t num_pages{size / PageSize};
     block_manager->Update(addr, num_pages, KMemoryState::Free, KMemoryPermission::None,
@@ -507,7 +507,7 @@ ResultCode KPageTable::UnmapPhysicalMemory(VAddr addr, std::size_t size) {
 
     auto process{system.Kernel().CurrentProcess()};
     process->GetResourceLimit()->Release(LimitableResource::PhysicalMemory, mapped_size);
-    physical_memory_usage -= mapped_size;
+    mapped_physical_memory_size -= mapped_size;
 
     return ResultSuccess;
 }
@@ -554,7 +554,7 @@ ResultCode KPageTable::Map(VAddr dst_addr, VAddr src_addr, std::size_t size) {
     KMemoryState src_state{};
     CASCADE_CODE(CheckMemoryState(
         &src_state, nullptr, nullptr, src_addr, size, KMemoryState::FlagCanAlias,
-        KMemoryState::FlagCanAlias, KMemoryPermission::Mask, KMemoryPermission::ReadAndWrite,
+        KMemoryState::FlagCanAlias, KMemoryPermission::All, KMemoryPermission::ReadAndWrite,
         KMemoryAttribute::Mask, KMemoryAttribute::None, KMemoryAttribute::IpcAndDeviceMapped));
 
     if (IsRegionMapped(dst_addr, size)) {
@@ -593,7 +593,7 @@ ResultCode KPageTable::Unmap(VAddr dst_addr, VAddr src_addr, std::size_t size) {
     KMemoryState src_state{};
     CASCADE_CODE(CheckMemoryState(
         &src_state, nullptr, nullptr, src_addr, size, KMemoryState::FlagCanAlias,
-        KMemoryState::FlagCanAlias, KMemoryPermission::Mask, KMemoryPermission::None,
+        KMemoryState::FlagCanAlias, KMemoryPermission::All, KMemoryPermission::None,
         KMemoryAttribute::Mask, KMemoryAttribute::Locked, KMemoryAttribute::IpcAndDeviceMapped));
 
     KMemoryPermission dst_perm{};
@@ -784,7 +784,7 @@ ResultCode KPageTable::ReserveTransferMemory(VAddr addr, std::size_t size, KMemo
     CASCADE_CODE(CheckMemoryState(
         &state, nullptr, &attribute, addr, size,
         KMemoryState::FlagCanTransfer | KMemoryState::FlagReferenceCounted,
-        KMemoryState::FlagCanTransfer | KMemoryState::FlagReferenceCounted, KMemoryPermission::Mask,
+        KMemoryState::FlagCanTransfer | KMemoryState::FlagReferenceCounted, KMemoryPermission::All,
         KMemoryPermission::ReadAndWrite, KMemoryAttribute::Mask, KMemoryAttribute::None,
         KMemoryAttribute::IpcAndDeviceMapped));
 
@@ -806,6 +806,33 @@ ResultCode KPageTable::ResetTransferMemory(VAddr addr, std::size_t size) {
                          KMemoryAttribute::Locked, KMemoryAttribute::IpcAndDeviceMapped));
 
     block_manager->Update(addr, size / PageSize, state, KMemoryPermission::ReadAndWrite);
+    return ResultSuccess;
+}
+
+ResultCode KPageTable::SetMemoryPermission(VAddr addr, std::size_t size,
+                                           Svc::MemoryPermission svc_perm) {
+    const size_t num_pages = size / PageSize;
+
+    // Lock the table.
+    std::lock_guard lock{page_table_lock};
+
+    // Verify we can change the memory permission.
+    KMemoryState old_state;
+    KMemoryPermission old_perm;
+    R_TRY(this->CheckMemoryState(
+        std::addressof(old_state), std::addressof(old_perm), nullptr, addr, size,
+        KMemoryState::FlagCanReprotect, KMemoryState::FlagCanReprotect, KMemoryPermission::None,
+        KMemoryPermission::None, KMemoryAttribute::All, KMemoryAttribute::None));
+
+    // Determine new perm.
+    const KMemoryPermission new_perm = ConvertToKMemoryPermission(svc_perm);
+    R_SUCCEED_IF(old_perm == new_perm);
+
+    // Perform mapping operation.
+    R_TRY(Operate(addr, num_pages, new_perm, OperationType::ChangePermissions));
+
+    // Update the blocks.
+    block_manager->Update(addr, num_pages, old_state, new_perm, KMemoryAttribute::None);
 
     return ResultSuccess;
 }
@@ -832,61 +859,125 @@ ResultCode KPageTable::SetMemoryAttribute(VAddr addr, std::size_t size, KMemoryA
     return ResultSuccess;
 }
 
-ResultCode KPageTable::SetHeapCapacity(std::size_t new_heap_capacity) {
+ResultCode KPageTable::SetMaxHeapSize(std::size_t size) {
+    // Lock the table.
     std::lock_guard lock{page_table_lock};
-    heap_capacity = new_heap_capacity;
-    return ResultSuccess;
-}
 
-ResultVal<VAddr> KPageTable::SetHeapSize(std::size_t size) {
+    // Only process page tables are allowed to set heap size.
+    ASSERT(!this->IsKernel());
 
-    if (size > heap_region_end - heap_region_start) {
-        return ResultOutOfMemory;
-    }
+    max_heap_size = size;
 
-    const u64 previous_heap_size{GetHeapSize()};
-
-    UNIMPLEMENTED_IF_MSG(previous_heap_size > size, "Heap shrink is unimplemented");
+    return ResultSuccess;
+}
 
-    // Increase the heap size
+ResultCode KPageTable::SetHeapSize(VAddr* out, std::size_t size) {
+    // Try to perform a reduction in heap, instead of an extension.
+    VAddr cur_address{};
+    std::size_t allocation_size{};
     {
-        std::lock_guard lock{page_table_lock};
-
-        const u64 delta{size - previous_heap_size};
-
-        // Reserve memory for the heap extension.
-        KScopedResourceReservation memory_reservation(
-            system.Kernel().CurrentProcess()->GetResourceLimit(), LimitableResource::PhysicalMemory,
-            delta);
-
-        if (!memory_reservation.Succeeded()) {
-            LOG_ERROR(Kernel, "Could not reserve heap extension of size {:X} bytes", delta);
-            return ResultLimitReached;
+        // Lock the table.
+        std::lock_guard lk(page_table_lock);
+
+        // Validate that setting heap size is possible at all.
+        R_UNLESS(!is_kernel, ResultOutOfMemory);
+        R_UNLESS(size <= static_cast<std::size_t>(heap_region_end - heap_region_start),
+                 ResultOutOfMemory);
+        R_UNLESS(size <= max_heap_size, ResultOutOfMemory);
+
+        if (size < GetHeapSize()) {
+            // The size being requested is less than the current size, so we need to free the end of
+            // the heap.
+
+            // Validate memory state.
+            std::size_t num_allocator_blocks;
+            R_TRY(this->CheckMemoryState(std::addressof(num_allocator_blocks),
+                                         heap_region_start + size, GetHeapSize() - size,
+                                         KMemoryState::All, KMemoryState::Normal,
+                                         KMemoryPermission::All, KMemoryPermission::ReadAndWrite,
+                                         KMemoryAttribute::All, KMemoryAttribute::None));
+
+            // Unmap the end of the heap.
+            const auto num_pages = (GetHeapSize() - size) / PageSize;
+            R_TRY(Operate(heap_region_start + size, num_pages, KMemoryPermission::None,
+                          OperationType::Unmap));
+
+            // Release the memory from the resource limit.
+            system.Kernel().CurrentProcess()->GetResourceLimit()->Release(
+                LimitableResource::PhysicalMemory, num_pages * PageSize);
+
+            // Apply the memory block update.
+            block_manager->Update(heap_region_start + size, num_pages, KMemoryState::Free,
+                                  KMemoryPermission::None, KMemoryAttribute::None);
+
+            // Update the current heap end.
+            current_heap_end = heap_region_start + size;
+
+            // Set the output.
+            *out = heap_region_start;
+            return ResultSuccess;
+        } else if (size == GetHeapSize()) {
+            // The size requested is exactly the current size.
+            *out = heap_region_start;
+            return ResultSuccess;
+        } else {
+            // We have to allocate memory. Determine how much to allocate and where while the table
+            // is locked.
+            cur_address = current_heap_end;
+            allocation_size = size - GetHeapSize();
         }
+    }
 
-        KPageLinkedList page_linked_list;
-        const std::size_t num_pages{delta / PageSize};
+    // Reserve memory for the heap extension.
+    KScopedResourceReservation memory_reservation(
+        system.Kernel().CurrentProcess()->GetResourceLimit(), LimitableResource::PhysicalMemory,
+        allocation_size);
+    R_UNLESS(memory_reservation.Succeeded(), ResultLimitReached);
 
-        CASCADE_CODE(
-            system.Kernel().MemoryManager().Allocate(page_linked_list, num_pages, memory_pool));
+    // Allocate pages for the heap extension.
+    KPageLinkedList page_linked_list;
+    R_TRY(system.Kernel().MemoryManager().Allocate(page_linked_list, allocation_size / PageSize,
+                                                   memory_pool));
 
-        if (IsRegionMapped(current_heap_addr, delta)) {
-            return ResultInvalidCurrentMemory;
+    // Map the pages.
+    {
+        // Lock the table.
+        std::lock_guard lk(page_table_lock);
+
+        // Ensure that the heap hasn't changed since we began executing.
+        ASSERT(cur_address == current_heap_end);
+
+        // Check the memory state.
+        std::size_t num_allocator_blocks{};
+        R_TRY(this->CheckMemoryState(std::addressof(num_allocator_blocks), current_heap_end,
+                                     allocation_size, KMemoryState::All, KMemoryState::Free,
+                                     KMemoryPermission::None, KMemoryPermission::None,
+                                     KMemoryAttribute::None, KMemoryAttribute::None));
+
+        // Map the pages.
+        const auto num_pages = allocation_size / PageSize;
+        R_TRY(Operate(current_heap_end, num_pages, page_linked_list, OperationType::MapGroup));
+
+        // Clear all the newly allocated pages.
+        for (std::size_t cur_page = 0; cur_page < num_pages; ++cur_page) {
+            std::memset(system.Memory().GetPointer(current_heap_end + (cur_page * PageSize)), 0,
+                        PageSize);
         }
 
-        CASCADE_CODE(
-            Operate(current_heap_addr, num_pages, page_linked_list, OperationType::MapGroup));
-
-        // Succeeded in allocation, commit the resource reservation
+        // We succeeded, so commit our memory reservation.
         memory_reservation.Commit();
 
-        block_manager->Update(current_heap_addr, num_pages, KMemoryState::Normal,
-                              KMemoryPermission::ReadAndWrite);
+        // Apply the memory block update.
+        block_manager->Update(current_heap_end, num_pages, KMemoryState::Normal,
+                              KMemoryPermission::ReadAndWrite, KMemoryAttribute::None);
 
-        current_heap_addr = heap_region_start + size;
-    }
+        // Update the current heap end.
+        current_heap_end = heap_region_start + size;
 
-    return heap_region_start;
+        // Set the output.
+        *out = heap_region_start;
+        return ResultSuccess;
+    }
 }
 
 ResultVal<VAddr> KPageTable::AllocateAndMapMemory(std::size_t needed_num_pages, std::size_t align,
@@ -978,7 +1069,7 @@ ResultCode KPageTable::LockForCodeMemory(VAddr addr, std::size_t size) {
 
     if (const ResultCode result{CheckMemoryState(
             nullptr, &old_perm, nullptr, addr, size, KMemoryState::FlagCanCodeMemory,
-            KMemoryState::FlagCanCodeMemory, KMemoryPermission::Mask,
+            KMemoryState::FlagCanCodeMemory, KMemoryPermission::All,
             KMemoryPermission::UserReadWrite, KMemoryAttribute::All, KMemoryAttribute::None)};
         result.IsError()) {
         return result;
@@ -1031,9 +1122,8 @@ ResultCode KPageTable::InitializeMemoryLayout(VAddr start, VAddr end) {
 
 bool KPageTable::IsRegionMapped(VAddr address, u64 size) {
     return CheckMemoryState(address, size, KMemoryState::All, KMemoryState::Free,
-                            KMemoryPermission::Mask, KMemoryPermission::None,
-                            KMemoryAttribute::Mask, KMemoryAttribute::None,
-                            KMemoryAttribute::IpcAndDeviceMapped)
+                            KMemoryPermission::All, KMemoryPermission::None, KMemoryAttribute::Mask,
+                            KMemoryAttribute::None, KMemoryAttribute::IpcAndDeviceMapped)
         .IsError();
 }
 
diff --git a/src/core/hle/kernel/k_page_table.h b/src/core/hle/kernel/k_page_table.h
index d784aa67e..564410dca 100644
--- a/src/core/hle/kernel/k_page_table.h
+++ b/src/core/hle/kernel/k_page_table.h
@@ -47,10 +47,11 @@ public:
     KMemoryInfo QueryInfo(VAddr addr);
     ResultCode ReserveTransferMemory(VAddr addr, std::size_t size, KMemoryPermission perm);
     ResultCode ResetTransferMemory(VAddr addr, std::size_t size);
+    ResultCode SetMemoryPermission(VAddr addr, std::size_t size, Svc::MemoryPermission perm);
     ResultCode SetMemoryAttribute(VAddr addr, std::size_t size, KMemoryAttribute mask,
                                   KMemoryAttribute value);
-    ResultCode SetHeapCapacity(std::size_t new_heap_capacity);
-    ResultVal<VAddr> SetHeapSize(std::size_t size);
+    ResultCode SetMaxHeapSize(std::size_t size);
+    ResultCode SetHeapSize(VAddr* out, std::size_t size);
     ResultVal<VAddr> AllocateAndMapMemory(std::size_t needed_num_pages, std::size_t align,
                                           bool is_map_only, VAddr region_start,
                                           std::size_t region_num_pages, KMemoryState state,
@@ -182,14 +183,15 @@ public:
     constexpr VAddr GetAliasCodeRegionSize() const {
         return alias_code_region_end - alias_code_region_start;
     }
+    size_t GetNormalMemorySize() {
+        std::lock_guard lk(page_table_lock);
+        return GetHeapSize() + mapped_physical_memory_size;
+    }
     constexpr std::size_t GetAddressSpaceWidth() const {
         return address_space_width;
     }
-    constexpr std::size_t GetHeapSize() {
-        return current_heap_addr - heap_region_start;
-    }
-    constexpr std::size_t GetTotalHeapSize() {
-        return GetHeapSize() + physical_memory_usage;
+    constexpr std::size_t GetHeapSize() const {
+        return current_heap_end - heap_region_start;
     }
     constexpr bool IsInsideAddressSpace(VAddr address, std::size_t size) const {
         return address_space_start <= address && address + size - 1 <= address_space_end - 1;
@@ -269,10 +271,8 @@ private:
     VAddr code_region_end{};
     VAddr alias_code_region_start{};
     VAddr alias_code_region_end{};
-    VAddr current_heap_addr{};
 
-    std::size_t heap_capacity{};
-    std::size_t physical_memory_usage{};
+    std::size_t mapped_physical_memory_size{};
     std::size_t max_heap_size{};
     std::size_t max_physical_memory_size{};
     std::size_t address_space_width{};
diff --git a/src/core/hle/kernel/k_process.cpp b/src/core/hle/kernel/k_process.cpp
index aee313995..73f8bc4fe 100644
--- a/src/core/hle/kernel/k_process.cpp
+++ b/src/core/hle/kernel/k_process.cpp
@@ -172,7 +172,7 @@ void KProcess::DecrementThreadCount() {
 
 u64 KProcess::GetTotalPhysicalMemoryAvailable() const {
     const u64 capacity{resource_limit->GetFreeValue(LimitableResource::PhysicalMemory) +
-                       page_table->GetTotalHeapSize() + GetSystemResourceSize() + image_size +
+                       page_table->GetNormalMemorySize() + GetSystemResourceSize() + image_size +
                        main_thread_stack_size};
     if (const auto pool_size = kernel.MemoryManager().GetSize(KMemoryManager::Pool::Application);
         capacity != pool_size) {
@@ -189,7 +189,7 @@ u64 KProcess::GetTotalPhysicalMemoryAvailableWithoutSystemResource() const {
 }
 
 u64 KProcess::GetTotalPhysicalMemoryUsed() const {
-    return image_size + main_thread_stack_size + page_table->GetTotalHeapSize() +
+    return image_size + main_thread_stack_size + page_table->GetNormalMemorySize() +
            GetSystemResourceSize();
 }
 
@@ -410,8 +410,8 @@ void KProcess::Run(s32 main_thread_priority, u64 stack_size) {
     resource_limit->Reserve(LimitableResource::Threads, 1);
     resource_limit->Reserve(LimitableResource::PhysicalMemory, main_thread_stack_size);
 
-    const std::size_t heap_capacity{memory_usage_capacity - main_thread_stack_size - image_size};
-    ASSERT(!page_table->SetHeapCapacity(heap_capacity).IsError());
+    const std::size_t heap_capacity{memory_usage_capacity - (main_thread_stack_size + image_size)};
+    ASSERT(!page_table->SetMaxHeapSize(heap_capacity).IsError());
 
     ChangeStatus(ProcessStatus::Running);
 
diff --git a/src/core/hle/kernel/k_thread.cpp b/src/core/hle/kernel/k_thread.cpp
index 752592e2e..b8c993748 100644
--- a/src/core/hle/kernel/k_thread.cpp
+++ b/src/core/hle/kernel/k_thread.cpp
@@ -26,6 +26,7 @@
 #include "core/hle/kernel/k_resource_limit.h"
 #include "core/hle/kernel/k_scheduler.h"
 #include "core/hle/kernel/k_scoped_scheduler_lock_and_sleep.h"
+#include "core/hle/kernel/k_system_control.h"
 #include "core/hle/kernel/k_thread.h"
 #include "core/hle/kernel/k_thread_queue.h"
 #include "core/hle/kernel/kernel.h"
@@ -50,6 +51,7 @@ static void ResetThreadContext64(Core::ARM_Interface::ThreadContext64& context,
                                  VAddr entry_point, u64 arg) {
     context = {};
     context.cpu_registers[0] = arg;
+    context.cpu_registers[18] = Kernel::KSystemControl::GenerateRandomU64() | 1;
     context.pc = entry_point;
     context.sp = stack_top;
     // TODO(merry): Perform a hardware test to determine the below value.
diff --git a/src/core/hle/kernel/svc.cpp b/src/core/hle/kernel/svc.cpp
index 37d67b72e..63e2dff19 100644
--- a/src/core/hle/kernel/svc.cpp
+++ b/src/core/hle/kernel/svc.cpp
@@ -135,24 +135,15 @@ enum class ResourceLimitValueType {
 } // Anonymous namespace
 
 /// Set the process heap to a given Size. It can both extend and shrink the heap.
-static ResultCode SetHeapSize(Core::System& system, VAddr* heap_addr, u64 heap_size) {
-    LOG_TRACE(Kernel_SVC, "called, heap_size=0x{:X}", heap_size);
+static ResultCode SetHeapSize(Core::System& system, VAddr* out_address, u64 size) {
+    LOG_TRACE(Kernel_SVC, "called, heap_size=0x{:X}", size);
 
-    // Size must be a multiple of 0x200000 (2MB) and be equal to or less than 8GB.
-    if ((heap_size % 0x200000) != 0) {
-        LOG_ERROR(Kernel_SVC, "The heap size is not a multiple of 2MB, heap_size=0x{:016X}",
-                  heap_size);
-        return ResultInvalidSize;
-    }
-
-    if (heap_size >= 0x200000000) {
-        LOG_ERROR(Kernel_SVC, "The heap size is not less than 8GB, heap_size=0x{:016X}", heap_size);
-        return ResultInvalidSize;
-    }
-
-    auto& page_table{system.Kernel().CurrentProcess()->PageTable()};
+    // Validate size.
+    R_UNLESS(Common::IsAligned(size, HeapSizeAlignment), ResultInvalidSize);
+    R_UNLESS(size < MainMemorySizeMax, ResultInvalidSize);
 
-    CASCADE_RESULT(*heap_addr, page_table.SetHeapSize(heap_size));
+    // Set the heap size.
+    R_TRY(system.Kernel().CurrentProcess()->PageTable().SetHeapSize(out_address, size));
 
     return ResultSuccess;
 }
@@ -164,6 +155,36 @@ static ResultCode SetHeapSize32(Core::System& system, u32* heap_addr, u32 heap_s
     return result;
 }
 
+constexpr bool IsValidSetMemoryPermission(MemoryPermission perm) {
+    switch (perm) {
+    case MemoryPermission::None:
+    case MemoryPermission::Read:
+    case MemoryPermission::ReadWrite:
+        return true;
+    default:
+        return false;
+    }
+}
+
+static ResultCode SetMemoryPermission(Core::System& system, VAddr address, u64 size,
+                                      MemoryPermission perm) {
+    // Validate address / size.
+    R_UNLESS(Common::IsAligned(address, PageSize), ResultInvalidAddress);
+    R_UNLESS(Common::IsAligned(size, PageSize), ResultInvalidSize);
+    R_UNLESS(size > 0, ResultInvalidSize);
+    R_UNLESS((address < address + size), ResultInvalidCurrentMemory);
+
+    // Validate the permission.
+    R_UNLESS(IsValidSetMemoryPermission(perm), ResultInvalidNewMemoryPermission);
+
+    // Validate that the region is in range for the current process.
+    auto& page_table = system.Kernel().CurrentProcess()->PageTable();
+    R_UNLESS(page_table.Contains(address, size), ResultInvalidCurrentMemory);
+
+    // Set the memory attribute.
+    return page_table.SetMemoryPermission(address, size, perm);
+}
+
 static ResultCode SetMemoryAttribute(Core::System& system, VAddr address, u64 size, u32 mask,
                                      u32 attribute) {
     LOG_DEBUG(Kernel_SVC,
@@ -2724,7 +2745,7 @@ static const FunctionDef SVC_Table_32[] = {
 static const FunctionDef SVC_Table_64[] = {
     {0x00, nullptr, "Unknown"},
     {0x01, SvcWrap64<SetHeapSize>, "SetHeapSize"},
-    {0x02, nullptr, "SetMemoryPermission"},
+    {0x02, SvcWrap64<SetMemoryPermission>, "SetMemoryPermission"},
     {0x03, SvcWrap64<SetMemoryAttribute>, "SetMemoryAttribute"},
     {0x04, SvcWrap64<MapMemory>, "MapMemory"},
     {0x05, SvcWrap64<UnmapMemory>, "UnmapMemory"},
diff --git a/src/core/hle/kernel/svc_common.h b/src/core/hle/kernel/svc_common.h
index 60ea2c405..25de6e437 100644
--- a/src/core/hle/kernel/svc_common.h
+++ b/src/core/hle/kernel/svc_common.h
@@ -5,6 +5,7 @@
 #pragma once
 
 #include "common/common_types.h"
+#include "common/literals.h"
 
 namespace Kernel {
 using Handle = u32;
@@ -12,9 +13,13 @@ using Handle = u32;
 
 namespace Kernel::Svc {
 
+using namespace Common::Literals;
+
 constexpr s32 ArgumentHandleCountMax = 0x40;
 constexpr u32 HandleWaitMask{1u << 30};
 
+constexpr inline std::size_t HeapSizeAlignment = 2_MiB;
+
 constexpr inline Handle InvalidHandle = Handle(0);
 
 enum PseudoHandle : Handle {
diff --git a/src/core/hle/kernel/svc_wrap.h b/src/core/hle/kernel/svc_wrap.h
index 86255fe6d..a60adfcab 100644
--- a/src/core/hle/kernel/svc_wrap.h
+++ b/src/core/hle/kernel/svc_wrap.h
@@ -249,6 +249,14 @@ void SvcWrap64(Core::System& system) {
         func(system, Param(system, 0), Param(system, 1), static_cast<u32>(Param(system, 2))).raw);
 }
 
+// Used by SetMemoryPermission
+template <ResultCode func(Core::System&, u64, u64, Svc::MemoryPermission)>
+void SvcWrap64(Core::System& system) {
+    FuncReturn(system, func(system, Param(system, 0), Param(system, 1),
+                            static_cast<Svc::MemoryPermission>(Param(system, 2)))
+                           .raw);
+}
+
 // Used by MapSharedMemory
 template <ResultCode func(Core::System&, Handle, u64, u64, Svc::MemoryPermission)>
 void SvcWrap64(Core::System& system) {
diff --git a/src/shader_recompiler/backend/glasm/emit_glasm_context_get_set.cpp b/src/shader_recompiler/backend/glasm/emit_glasm_context_get_set.cpp
index c0f5fc402..7434a1f92 100644
--- a/src/shader_recompiler/backend/glasm/emit_glasm_context_get_set.cpp
+++ b/src/shader_recompiler/backend/glasm/emit_glasm_context_get_set.cpp
@@ -86,7 +86,7 @@ void EmitGetAttribute(EmitContext& ctx, IR::Inst& inst, IR::Attribute attr, Scal
     }
     switch (attr) {
     case IR::Attribute::PrimitiveId:
-        ctx.Add("MOV.S {}.x,primitive.id;", inst);
+        ctx.Add("MOV.F {}.x,primitive.id;", inst);
         break;
     case IR::Attribute::PositionX:
     case IR::Attribute::PositionY:
@@ -113,13 +113,13 @@ void EmitGetAttribute(EmitContext& ctx, IR::Inst& inst, IR::Attribute attr, Scal
         ctx.Add("MOV.F {}.x,vertex.tesscoord.{};", inst, swizzle);
         break;
     case IR::Attribute::InstanceId:
-        ctx.Add("MOV.S {}.x,{}.instance;", inst, ctx.attrib_name);
+        ctx.Add("MOV.F {}.x,{}.instance;", inst, ctx.attrib_name);
         break;
     case IR::Attribute::VertexId:
-        ctx.Add("MOV.S {}.x,{}.id;", inst, ctx.attrib_name);
+        ctx.Add("MOV.F {}.x,{}.id;", inst, ctx.attrib_name);
         break;
     case IR::Attribute::FrontFace:
-        ctx.Add("CMP.S {}.x,{}.facing.x,0,-1;", inst, ctx.attrib_name);
+        ctx.Add("CMP.F {}.x,{}.facing.x,0,-1;", inst, ctx.attrib_name);
         break;
     default:
         throw NotImplementedException("Get attribute {}", attr);
diff --git a/src/shader_recompiler/backend/spirv/emit_spirv.cpp b/src/shader_recompiler/backend/spirv/emit_spirv.cpp
index 6ce7ed12a..50918317f 100644
--- a/src/shader_recompiler/backend/spirv/emit_spirv.cpp
+++ b/src/shader_recompiler/backend/spirv/emit_spirv.cpp
@@ -30,11 +30,20 @@ struct FuncTraits<ReturnType_ (*)(Args...)> {
     using ArgType = std::tuple_element_t<I, std::tuple<Args...>>;
 };
 
+#ifdef _MSC_VER
+#pragma warning(push)
+#pragma warning(disable : 4702) // Ignore unreachable code warning
+#endif
+
 template <auto func, typename... Args>
 void SetDefinition(EmitContext& ctx, IR::Inst* inst, Args... args) {
     inst->SetDefinition<Id>(func(ctx, std::forward<Args>(args)...));
 }
 
+#ifdef _MSC_VER
+#pragma warning(pop)
+#endif
+
 template <typename ArgType>
 ArgType Arg(EmitContext& ctx, const IR::Value& arg) {
     if constexpr (std::is_same_v<ArgType, Id>) {
diff --git a/src/video_core/renderer_opengl/gl_texture_cache.cpp b/src/video_core/renderer_opengl/gl_texture_cache.cpp
index 14e6522f2..3c1f79a27 100644
--- a/src/video_core/renderer_opengl/gl_texture_cache.cpp
+++ b/src/video_core/renderer_opengl/gl_texture_cache.cpp
@@ -1047,7 +1047,7 @@ bool Image::ScaleDown(bool ignore) {
 }
 
 ImageView::ImageView(TextureCacheRuntime& runtime, const VideoCommon::ImageViewInfo& info,
-                     ImageId image_id_, Image& image)
+                     ImageId image_id_, Image& image, const SlotVector<Image>&)
     : VideoCommon::ImageViewBase{info, image.info, image_id_}, views{runtime.null_image_views} {
     const Device& device = runtime.device;
     if (True(image.flags & ImageFlagBits::Converted)) {
diff --git a/src/video_core/renderer_opengl/gl_texture_cache.h b/src/video_core/renderer_opengl/gl_texture_cache.h
index dbf1df79c..7f425631f 100644
--- a/src/video_core/renderer_opengl/gl_texture_cache.h
+++ b/src/video_core/renderer_opengl/gl_texture_cache.h
@@ -36,6 +36,7 @@ using VideoCommon::ImageViewType;
 using VideoCommon::NUM_RT;
 using VideoCommon::Region2D;
 using VideoCommon::RenderTargets;
+using VideoCommon::SlotVector;
 
 struct ImageBufferMap {
     ~ImageBufferMap();
@@ -234,7 +235,8 @@ class ImageView : public VideoCommon::ImageViewBase {
     friend Image;
 
 public:
-    explicit ImageView(TextureCacheRuntime&, const VideoCommon::ImageViewInfo&, ImageId, Image&);
+    explicit ImageView(TextureCacheRuntime&, const VideoCommon::ImageViewInfo&, ImageId, Image&,
+                       const SlotVector<Image>&);
     explicit ImageView(TextureCacheRuntime&, const VideoCommon::ImageInfo&,
                        const VideoCommon::ImageViewInfo&, GPUVAddr);
     explicit ImageView(TextureCacheRuntime&, const VideoCommon::ImageInfo& info,
diff --git a/src/video_core/renderer_vulkan/vk_texture_cache.cpp b/src/video_core/renderer_vulkan/vk_texture_cache.cpp
index 1941170cb..c3050887c 100644
--- a/src/video_core/renderer_vulkan/vk_texture_cache.cpp
+++ b/src/video_core/renderer_vulkan/vk_texture_cache.cpp
@@ -1473,8 +1473,7 @@ bool Image::BlitScaleHelper(bool scale_up) {
 ImageView::ImageView(TextureCacheRuntime& runtime, const VideoCommon::ImageViewInfo& info,
                      ImageId image_id_, Image& image)
     : VideoCommon::ImageViewBase{info, image.info, image_id_}, device{&runtime.device},
-      src_image{&image}, image_handle{image.Handle()},
-      samples(ConvertSampleCount(image.info.num_samples)) {
+      image_handle{image.Handle()}, samples(ConvertSampleCount(image.info.num_samples)) {
     using Shader::TextureType;
 
     const VkImageAspectFlags aspect_mask = ImageViewAspectMask(info);
@@ -1557,6 +1556,12 @@ ImageView::ImageView(TextureCacheRuntime& runtime, const VideoCommon::ImageViewI
     }
 }
 
+ImageView::ImageView(TextureCacheRuntime& runtime, const VideoCommon::ImageViewInfo& info,
+                     ImageId image_id_, Image& image, const SlotVector<Image>& slot_imgs)
+    : ImageView{runtime, info, image_id_, image} {
+    slot_images = &slot_imgs;
+}
+
 ImageView::ImageView(TextureCacheRuntime&, const VideoCommon::ImageInfo& info,
                      const VideoCommon::ImageViewInfo& view_info, GPUVAddr gpu_addr_)
     : VideoCommon::ImageViewBase{info, view_info}, gpu_addr{gpu_addr_},
@@ -1613,10 +1618,12 @@ VkImageView ImageView::StorageView(Shader::TextureType texture_type,
 }
 
 bool ImageView::IsRescaled() const noexcept {
-    if (!src_image) {
+    if (!slot_images) {
         return false;
     }
-    return src_image->IsRescaled();
+    const auto& slots = *slot_images;
+    const auto& src_image = slots[image_id];
+    return src_image.IsRescaled();
 }
 
 vk::ImageView ImageView::MakeView(VkFormat vk_format, VkImageAspectFlags aspect_mask) {
diff --git a/src/video_core/renderer_vulkan/vk_texture_cache.h b/src/video_core/renderer_vulkan/vk_texture_cache.h
index c592f2666..2f12be78b 100644
--- a/src/video_core/renderer_vulkan/vk_texture_cache.h
+++ b/src/video_core/renderer_vulkan/vk_texture_cache.h
@@ -23,6 +23,7 @@ using VideoCommon::ImageId;
 using VideoCommon::NUM_RT;
 using VideoCommon::Region2D;
 using VideoCommon::RenderTargets;
+using VideoCommon::SlotVector;
 using VideoCore::Surface::PixelFormat;
 
 class ASTCDecoderPass;
@@ -170,6 +171,8 @@ private:
 class ImageView : public VideoCommon::ImageViewBase {
 public:
     explicit ImageView(TextureCacheRuntime&, const VideoCommon::ImageViewInfo&, ImageId, Image&);
+    explicit ImageView(TextureCacheRuntime&, const VideoCommon::ImageViewInfo&, ImageId, Image&,
+                       const SlotVector<Image>&);
     explicit ImageView(TextureCacheRuntime&, const VideoCommon::ImageInfo&,
                        const VideoCommon::ImageViewInfo&, GPUVAddr);
     explicit ImageView(TextureCacheRuntime&, const VideoCommon::NullImageViewParams&);
@@ -226,7 +229,7 @@ private:
     [[nodiscard]] vk::ImageView MakeView(VkFormat vk_format, VkImageAspectFlags aspect_mask);
 
     const Device* device = nullptr;
-    const Image* src_image{};
+    const SlotVector<Image>* slot_images = nullptr;
 
     std::array<vk::ImageView, Shader::NUM_TEXTURE_TYPES> image_views;
     std::unique_ptr<StorageViews> storage_views;
diff --git a/src/video_core/texture_cache/texture_cache.h b/src/video_core/texture_cache/texture_cache.h
index 2e19fced2..b494152b8 100644
--- a/src/video_core/texture_cache/texture_cache.h
+++ b/src/video_core/texture_cache/texture_cache.h
@@ -1397,7 +1397,8 @@ ImageViewId TextureCache<P>::FindOrEmplaceImageView(ImageId image_id, const Imag
     if (const ImageViewId image_view_id = image.FindView(info); image_view_id) {
         return image_view_id;
     }
-    const ImageViewId image_view_id = slot_image_views.insert(runtime, info, image_id, image);
+    const ImageViewId image_view_id =
+        slot_image_views.insert(runtime, info, image_id, image, slot_images);
     image.InsertView(info, image_view_id);
     return image_view_id;
 }
diff --git a/src/video_core/texture_cache/util.cpp b/src/video_core/texture_cache/util.cpp
index 7bd31b211..d8e19cb2f 100644
--- a/src/video_core/texture_cache/util.cpp
+++ b/src/video_core/texture_cache/util.cpp
@@ -364,14 +364,14 @@ template <u32 GOB_EXTENT>
 
 [[nodiscard]] std::optional<SubresourceExtent> ResolveOverlapRightAddress2D(
     const ImageInfo& new_info, GPUVAddr gpu_addr, const ImageBase& overlap, bool strict_size) {
-    const u32 layer_stride = new_info.layer_stride;
-    const s32 new_size = layer_stride * new_info.resources.layers;
-    const s32 diff = static_cast<s32>(overlap.gpu_addr - gpu_addr);
+    const u64 layer_stride = new_info.layer_stride;
+    const u64 new_size = layer_stride * new_info.resources.layers;
+    const u64 diff = overlap.gpu_addr - gpu_addr;
     if (diff > new_size) {
         return std::nullopt;
     }
-    const s32 base_layer = diff / layer_stride;
-    const s32 mip_offset = diff % layer_stride;
+    const s32 base_layer = static_cast<s32>(diff / layer_stride);
+    const s32 mip_offset = static_cast<s32>(diff % layer_stride);
     const std::array offsets = CalculateMipLevelOffsets(new_info);
     const auto end = offsets.begin() + new_info.resources.levels;
     const auto it = std::find(offsets.begin(), end, static_cast<u32>(mip_offset));
diff --git a/src/yuzu/applets/qt_controller.cpp b/src/yuzu/applets/qt_controller.cpp
index c6222b571..d63193131 100644
--- a/src/yuzu/applets/qt_controller.cpp
+++ b/src/yuzu/applets/qt_controller.cpp
@@ -33,7 +33,7 @@ void UpdateController(Core::HID::EmulatedController* controller,
     }
     controller->SetNpadStyleIndex(controller_type);
     if (connected) {
-        controller->Connect();
+        controller->Connect(true);
     }
 }
 
diff --git a/src/yuzu/configuration/configure_input_player.cpp b/src/yuzu/configuration/configure_input_player.cpp
index 8a8be8e40..cb6163702 100644
--- a/src/yuzu/configuration/configure_input_player.cpp
+++ b/src/yuzu/configuration/configure_input_player.cpp
@@ -599,11 +599,11 @@ ConfigureInputPlayer::ConfigureInputPlayer(QWidget* parent, std::size_t player_i
                     if (is_connected) {
                         if (type == Core::HID::NpadStyleIndex::Handheld) {
                             emulated_controller_p1->Disconnect();
-                            emulated_controller_handheld->Connect();
+                            emulated_controller_handheld->Connect(true);
                             emulated_controller = emulated_controller_handheld;
                         } else {
                             emulated_controller_handheld->Disconnect();
-                            emulated_controller_p1->Connect();
+                            emulated_controller_p1->Connect(true);
                             emulated_controller = emulated_controller_p1;
                         }
                     }
@@ -718,7 +718,7 @@ void ConfigureInputPlayer::LoadConfiguration() {
 void ConfigureInputPlayer::ConnectPlayer(bool connected) {
     ui->groupConnectedController->setChecked(connected);
     if (connected) {
-        emulated_controller->Connect();
+        emulated_controller->Connect(true);
     } else {
         emulated_controller->Disconnect();
     }