externals/SDL: Update to prerelease-2.23.1

This includes a fix needed for building with MSYS2/MinGW.

.ci/scripts/windows/docker.sh

@@ -1,12 +1,27 @@
 #!/bin/bash -ex
 
+set -e
+
 cd /yuzu
 
 ccache -s
 
 mkdir build || true && cd build
-cmake .. -G Ninja -DDISPLAY_VERSION=$1 -DCMAKE_TOOLCHAIN_FILE="$(pwd)/../CMakeModules/MinGWCross.cmake" -DUSE_CCACHE=ON -DENABLE_COMPATIBILITY_LIST_DOWNLOAD=ON -DCMAKE_BUILD_TYPE=Release -DENABLE_QT_TRANSLATION=ON
-ninja
+LDFLAGS="-fuse-ld=lld"
+# -femulated-tls required due to an incompatibility between GCC and Clang
+# TODO(lat9nq): If this is widespread, we probably need to add this to CMakeLists where appropriate
+cmake .. \
+    -DCMAKE_BUILD_TYPE=Release \
+    -DCMAKE_CXX_FLAGS="-femulated-tls" \
+    -DCMAKE_TOOLCHAIN_FILE="$(pwd)/../CMakeModules/MinGWClangCross.cmake" \
+    -DDISPLAY_VERSION=$1 \
+    -DENABLE_COMPATIBILITY_LIST_DOWNLOAD=ON \
+    -DENABLE_QT_TRANSLATION=ON \
+    -DUSE_CCACHE=ON \
+    -DYUZU_USE_BUNDLED_SDL2=OFF \
+    -DYUZU_USE_EXTERNAL_SDL2=OFF \
+    -GNinja
+ninja yuzu yuzu-cmd
 
 ccache -s
 

CMakeModules/MinGWClangCross.cmake

@@ -0,0 +1,55 @@
+set(MINGW_PREFIX                /usr/x86_64-w64-mingw32/)
+set(CMAKE_SYSTEM_NAME           Windows)
+set(CMAKE_SYSTEM_PROCESSOR      x86_64)
+
+set(CMAKE_FIND_ROOT_PATH        ${MINGW_PREFIX})
+set(SDL2_PATH                   ${MINGW_PREFIX})
+set(MINGW_TOOL_PREFIX           ${CMAKE_SYSTEM_PROCESSOR}-w64-mingw32-)
+
+# Specify the cross compiler
+set(CMAKE_C_COMPILER            ${MINGW_TOOL_PREFIX}clang)
+set(CMAKE_CXX_COMPILER          ${MINGW_TOOL_PREFIX}clang++)
+set(CMAKE_RC_COMPILER           ${MINGW_TOOL_PREFIX}windres)
+set(CMAKE_C_COMPILER_AR         ${MINGW_TOOL_PREFIX}ar)
+set(CMAKE_CXX_COMPILER_AR       ${MINGW_TOOL_PREFIX}ar)
+set(CMAKE_C_COMPILER_RANLIB     ${MINGW_TOOL_PREFIX}ranlib)
+set(CMAKE_CXX_COMPILER_RANLIB   ${MINGW_TOOL_PREFIX}ranlib)
+
+# Mingw tools
+set(STRIP                       ${MINGW_TOOL_PREFIX}strip)
+set(WINDRES                     ${MINGW_TOOL_PREFIX}windres)
+set(ENV{PKG_CONFIG}             ${MINGW_TOOL_PREFIX}pkg-config)
+
+# ccache wrapper
+option(USE_CCACHE "Use ccache for compilation" OFF)
+if(USE_CCACHE)
+    find_program(CCACHE ccache)
+    if(CCACHE)
+        message(STATUS "Using ccache found in PATH")
+        set_property(GLOBAL PROPERTY RULE_LAUNCH_COMPILE ${CCACHE})
+        set_property(GLOBAL PROPERTY RULE_LAUNCH_LINK ${CCACHE})
+    else(CCACHE)
+        message(WARNING "USE_CCACHE enabled, but no ccache found")
+    endif(CCACHE)
+endif(USE_CCACHE)
+
+# Search for programs in the build host directories
+set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
+
+
+# Echo modified cmake vars to screen for debugging purposes
+if(NOT DEFINED ENV{MINGW_DEBUG_INFO})
+        message("")
+        message("Custom cmake vars: (blank = system default)")
+        message("-----------------------------------------")
+        message("* CMAKE_C_COMPILER                     : ${CMAKE_C_COMPILER}")
+        message("* CMAKE_CXX_COMPILER                   : ${CMAKE_CXX_COMPILER}")
+        message("* CMAKE_RC_COMPILER                    : ${CMAKE_RC_COMPILER}")
+        message("* WINDRES                              : ${WINDRES}")
+        message("* ENV{PKG_CONFIG}                      : $ENV{PKG_CONFIG}")
+        message("* STRIP                                : ${STRIP}")
+        message("* USE_CCACHE                           : ${USE_CCACHE}")
+        message("")
+        # So that the debug info only appears once
+        set(ENV{MINGW_DEBUG_INFO} SHOWN)
+endif()

externals/microprofile/microprofile.h

@@ -1246,7 +1246,7 @@ struct MicroProfileScopeLock
 {
     bool bUseLock;
     std::recursive_mutex& m;
-    MicroProfileScopeLock(std::recursive_mutex& m) : bUseLock(g_bUseLock), m(m)
+    MicroProfileScopeLock(std::recursive_mutex& m_) : bUseLock(g_bUseLock), m(m_)
     {
         if(bUseLock)
             m.lock();

externals/microprofile/microprofileui.h

@@ -213,8 +213,8 @@ struct MicroProfileCustom
 
 struct SOptionDesc
 {
-    SOptionDesc(){}
-    SOptionDesc(uint8_t nSubType, uint8_t nIndex, const char* fmt, ...):nSubType(nSubType), nIndex(nIndex)
+    SOptionDesc()=default;
+    SOptionDesc(uint8_t nSubType_, uint8_t nIndex_, const char* fmt, ...):nSubType(nSubType_), nIndex(nIndex_)
     {
         va_list args;
         va_start (args, fmt);
@@ -573,10 +573,10 @@ inline void MicroProfileToolTipMeta(MicroProfileStringArray* pToolTip)
                     }
                     else
                     {
-                        for(int i = 0; i < MICROPROFILE_META_MAX; ++i)
+                        for(int k = 0; k < MICROPROFILE_META_MAX; ++k)
                         {
-                            nMetaSumInclusive[i] += nMetaSum[i];
-                            nMetaSum[i] = 0;
+                            nMetaSumInclusive[k] += nMetaSum[k];
+                            nMetaSum[k] = 0;
                         }
                     }
                     break;
@@ -708,10 +708,10 @@ inline void MicroProfileDrawFloatTooltip(uint32_t nX, uint32_t nY, uint32_t nTok
 
     if(UI.nMouseLeftMod)
     {
-        int nIndex = (g_MicroProfileUI.LockedToolTipFront + MICROPROFILE_TOOLTIP_MAX_LOCKED - 1) % MICROPROFILE_TOOLTIP_MAX_LOCKED;
-        g_MicroProfileUI.nLockedToolTipColor[nIndex] = S.TimerInfo[nTimerId].nColor;
-        MicroProfileStringArrayCopy(&g_MicroProfileUI.LockedToolTips[nIndex], &ToolTip);
-        g_MicroProfileUI.LockedToolTipFront = nIndex;
+        int nToolTipIndex = (g_MicroProfileUI.LockedToolTipFront + MICROPROFILE_TOOLTIP_MAX_LOCKED - 1) % MICROPROFILE_TOOLTIP_MAX_LOCKED;
+        g_MicroProfileUI.nLockedToolTipColor[nToolTipIndex] = S.TimerInfo[nTimerId].nColor;
+        MicroProfileStringArrayCopy(&g_MicroProfileUI.LockedToolTips[nToolTipIndex], &ToolTip);
+        g_MicroProfileUI.LockedToolTipFront = nToolTipIndex;
 
     }
 }
@@ -917,9 +917,8 @@ inline void MicroProfileDrawDetailedBars(uint32_t nWidth, uint32_t nHeight, int
         float fStart = floor(fMsBase*fRcpStep) * fStep;
         for(float f = fStart; f < fMsEnd; )
         {
-            float fStart = f;
             float fNext = f + fStep;
-            MicroProfileDrawBox(((fStart-fMsBase) * fMsToScreen), nBaseY, (fNext-fMsBase) * fMsToScreen+1, nBaseY + nHeight, UI.nOpacityBackground | g_nMicroProfileBackColors[nColorIndex++ & 1]);
+            MicroProfileDrawBox(((f-fMsBase) * fMsToScreen), nBaseY, (fNext-fMsBase) * fMsToScreen+1, nBaseY + nHeight, UI.nOpacityBackground | g_nMicroProfileBackColors[nColorIndex++ & 1]);
             f = fNext;
         }
     }
@@ -1116,9 +1115,9 @@ inline void MicroProfileDrawDetailedBars(uint32_t nWidth, uint32_t nHeight, int
 
                         nMaxStackDepth = MicroProfileMax(nMaxStackDepth, nStackPos);
                         float fMsStart = fToMs * MicroProfileLogTickDifference(nBaseTicks, nTickStart);
-                        float fMsEnd = fToMs * MicroProfileLogTickDifference(nBaseTicks, nTickEnd);
+                        float fMsEnd2 = fToMs * MicroProfileLogTickDifference(nBaseTicks, nTickEnd);
                         float fXStart = fMsStart * fMsToScreen;
-                        float fXEnd = fMsEnd * fMsToScreen;
+                        float fXEnd = fMsEnd2 * fMsToScreen;
                         float fYStart = (float)(nY + nStackPos * nYDelta);
                         float fYEnd = fYStart + (MICROPROFILE_DETAILED_BAR_HEIGHT);
                         float fXDist = MicroProfileMax(fXStart - fMouseX, fMouseX - fXEnd);
@@ -1269,22 +1268,22 @@ inline void MicroProfileDrawDetailedBars(uint32_t nWidth, uint32_t nHeight, int
         if(UI.nRangeBegin != UI.nRangeEnd)
         {
             float fMsStart = fToMsCpu * MicroProfileLogTickDifference(nBaseTicksCpu, UI.nRangeBegin);
-            float fMsEnd = fToMsCpu * MicroProfileLogTickDifference(nBaseTicksCpu, UI.nRangeEnd);
+            float fMsEnd3 = fToMsCpu * MicroProfileLogTickDifference(nBaseTicksCpu, UI.nRangeEnd);
             float fXStart = fMsStart * fMsToScreen;
-            float fXEnd = fMsEnd * fMsToScreen;
+            float fXEnd = fMsEnd3 * fMsToScreen;
             MicroProfileDrawBox(fXStart, nBaseY, fXEnd, nHeight, MICROPROFILE_FRAME_COLOR_HIGHTLIGHT, MicroProfileBoxTypeFlat);
             MicroProfileDrawLineVertical(fXStart, nBaseY, nHeight, MICROPROFILE_FRAME_COLOR_HIGHTLIGHT | 0x44000000);
             MicroProfileDrawLineVertical(fXEnd, nBaseY, nHeight, MICROPROFILE_FRAME_COLOR_HIGHTLIGHT | 0x44000000);
 
             fMsStart += fDetailedOffset;
-            fMsEnd += fDetailedOffset;
+            fMsEnd3 += fDetailedOffset;
             char sBuffer[32];
             uint32_t nLenStart = snprintf(sBuffer, sizeof(sBuffer)-1, "%.2fms", fMsStart);
             float fStartTextWidth = (float)((1+MICROPROFILE_TEXT_WIDTH) * nLenStart);
             float fStartTextX = fXStart - fStartTextWidth - 2;
             MicroProfileDrawBox(fStartTextX, nBaseY, fStartTextX + fStartTextWidth + 2, MICROPROFILE_TEXT_HEIGHT + 2 + nBaseY, 0x33000000, MicroProfileBoxTypeFlat);
             MicroProfileDrawText(fStartTextX+1, nBaseY, UINT32_MAX, sBuffer, nLenStart);
-            uint32_t nLenEnd = snprintf(sBuffer, sizeof(sBuffer)-1, "%.2fms", fMsEnd);
+            uint32_t nLenEnd = snprintf(sBuffer, sizeof(sBuffer)-1, "%.2fms", fMsEnd3);
             MicroProfileDrawBox(fXEnd+1, nBaseY, fXEnd+1+(1+MICROPROFILE_TEXT_WIDTH) * nLenEnd + 3, MICROPROFILE_TEXT_HEIGHT + 2 + nBaseY, 0x33000000, MicroProfileBoxTypeFlat);
             MicroProfileDrawText(fXEnd+2, nBaseY+1, UINT32_MAX, sBuffer, nLenEnd);
 
@@ -1297,9 +1296,9 @@ inline void MicroProfileDrawDetailedBars(uint32_t nWidth, uint32_t nHeight, int
         if(UI.nRangeBeginGpu != UI.nRangeEndGpu)
         {
             float fMsStart = fToMsGpu * MicroProfileLogTickDifference(nBaseTicksGpu, UI.nRangeBeginGpu);
-            float fMsEnd = fToMsGpu * MicroProfileLogTickDifference(nBaseTicksGpu, UI.nRangeEndGpu);
+            float fMsEnd4 = fToMsGpu * MicroProfileLogTickDifference(nBaseTicksGpu, UI.nRangeEndGpu);
             float fXStart = fMsStart * fMsToScreen;
-            float fXEnd = fMsEnd * fMsToScreen;
+            float fXEnd = fMsEnd4 * fMsToScreen;
             MicroProfileDrawBox(fXStart, nBaseY, fXEnd, nHeight, MICROPROFILE_FRAME_COLOR_HIGHTLIGHT_GPU, MicroProfileBoxTypeFlat);
             MicroProfileDrawLineVertical(fXStart, nBaseY, nHeight, MICROPROFILE_FRAME_COLOR_HIGHTLIGHT_GPU | 0x44000000);
             MicroProfileDrawLineVertical(fXEnd, nBaseY, nHeight, MICROPROFILE_FRAME_COLOR_HIGHTLIGHT_GPU | 0x44000000);
@@ -1307,14 +1306,14 @@ inline void MicroProfileDrawDetailedBars(uint32_t nWidth, uint32_t nHeight, int
             nBaseY += MICROPROFILE_TEXT_HEIGHT+1;
 
             fMsStart += fDetailedOffset;
-            fMsEnd += fDetailedOffset;
+            fMsEnd4 += fDetailedOffset;
             char sBuffer[32];
             uint32_t nLenStart = snprintf(sBuffer, sizeof(sBuffer)-1, "%.2fms", fMsStart);
             float fStartTextWidth = (float)((1+MICROPROFILE_TEXT_WIDTH) * nLenStart);
             float fStartTextX = fXStart - fStartTextWidth - 2;
             MicroProfileDrawBox(fStartTextX, nBaseY, fStartTextX + fStartTextWidth + 2, MICROPROFILE_TEXT_HEIGHT + 2 + nBaseY, 0x33000000, MicroProfileBoxTypeFlat);
             MicroProfileDrawText(fStartTextX+1, nBaseY, UINT32_MAX, sBuffer, nLenStart);
-            uint32_t nLenEnd = snprintf(sBuffer, sizeof(sBuffer)-1, "%.2fms", fMsEnd);
+            uint32_t nLenEnd = snprintf(sBuffer, sizeof(sBuffer)-1, "%.2fms", fMsEnd4);
             MicroProfileDrawBox(fXEnd+1, nBaseY, fXEnd+1+(1+MICROPROFILE_TEXT_WIDTH) * nLenEnd + 3, MICROPROFILE_TEXT_HEIGHT + 2 + nBaseY, 0x33000000, MicroProfileBoxTypeFlat);
             MicroProfileDrawText(fXEnd+2, nBaseY+1, UINT32_MAX, sBuffer, nLenEnd);
         }
@@ -1716,8 +1715,8 @@ bool MicroProfileDrawGraph(uint32_t nScreenWidth, uint32_t nScreenHeight)
         uint32_t nTextCount = 0;
         uint32_t nGraphIndex = (S.nGraphPut + MICROPROFILE_GRAPH_HISTORY - int(MICROPROFILE_GRAPH_HISTORY*(1.f - fMouseXPrc))) % MICROPROFILE_GRAPH_HISTORY;
 
-        uint32_t nX = UI.nMouseX;
-        uint32_t nY = UI.nMouseY + 20;
+        uint32_t nMouseX = UI.nMouseX;
+        uint32_t nMouseY = UI.nMouseY + 20;
 
         for(uint32_t i = 0; i < MICROPROFILE_MAX_GRAPHS; ++i)
         {
@@ -1736,7 +1735,7 @@ bool MicroProfileDrawGraph(uint32_t nScreenWidth, uint32_t nScreenHeight)
         }
         if(nTextCount)
         {
-            MicroProfileDrawFloatWindow(nX, nY, Strings.ppStrings, Strings.nNumStrings, 0, pColors);
+            MicroProfileDrawFloatWindow(nMouseX, nMouseY, Strings.ppStrings, Strings.nNumStrings, 0, pColors);
         }
 
         if(UI.nMouseRight)
@@ -2321,8 +2320,8 @@ inline void MicroProfileDrawMenu(uint32_t nWidth, uint32_t nHeight)
     uint32_t    nMenuX[MICROPROFILE_MENU_MAX] = {0};
     uint32_t nNumMenuItems = 0;
 
-    int nLen = snprintf(buffer, 127, "MicroProfile");
-    MicroProfileDrawText(nX, nY, UINT32_MAX, buffer, nLen);
+    int nMPTextLen = snprintf(buffer, 127, "MicroProfile");
+    MicroProfileDrawText(nX, nY, UINT32_MAX, buffer, nMPTextLen);
     nX += (sizeof("MicroProfile")+2) * (MICROPROFILE_TEXT_WIDTH+1);
     pMenuText[nNumMenuItems++] = "Mode";
     pMenuText[nNumMenuItems++] = "Groups";
@@ -2438,16 +2437,16 @@ inline void MicroProfileDrawMenu(uint32_t nWidth, uint32_t nHeight)
         int nNumLines = 0;
         bool bSelected = false;
         const char* pString = CB(nNumLines, &bSelected);
-        uint32_t nWidth = 0, nHeight = 0;
+        uint32_t nTextWidth = 0, nTextHeight = 0;
         while(pString)
         {
-            nWidth = MicroProfileMax<int>(nWidth, (int)strlen(pString));
+            nTextWidth = MicroProfileMax<int>(nTextWidth, (int)strlen(pString));
             nNumLines++;
             pString = CB(nNumLines, &bSelected);
         }
-        nWidth = (2+nWidth) * (MICROPROFILE_TEXT_WIDTH+1);
-        nHeight = nNumLines * (MICROPROFILE_TEXT_HEIGHT+1);
-        if(UI.nMouseY <= nY + nHeight+0 && UI.nMouseY >= nY-0 && UI.nMouseX <= nX + nWidth + 0 && UI.nMouseX >= nX - 0)
+        nTextWidth = (2+nTextWidth) * (MICROPROFILE_TEXT_WIDTH+1);
+        nTextHeight = nNumLines * (MICROPROFILE_TEXT_HEIGHT+1);
+        if(UI.nMouseY <= nY + nTextHeight+0 && UI.nMouseY >= nY-0 && UI.nMouseX <= nX + nTextWidth + 0 && UI.nMouseX >= nX - 0)
         {
             UI.nActiveMenu = nMenu;
         }
@@ -2455,21 +2454,21 @@ inline void MicroProfileDrawMenu(uint32_t nWidth, uint32_t nHeight)
         {
             UI.nActiveMenu = UINT32_MAX;
         }
-        MicroProfileDrawBox(nX, nY, nX + nWidth, nY + nHeight, 0xff000000|g_nMicroProfileBackColors[1]);
+        MicroProfileDrawBox(nX, nY, nX + nTextWidth, nY + nTextHeight, 0xff000000|g_nMicroProfileBackColors[1]);
         for(int i = 0; i < nNumLines; ++i)
         {
-            bool bSelected = false;
-            const char* pString = CB(i, &bSelected);
+            bool bSelected2 = false;
+            const char* pString2 = CB(i, &bSelected2);
             if(UI.nMouseY >= nY && UI.nMouseY < nY + MICROPROFILE_TEXT_HEIGHT + 1)
             {
                 if(UI.nMouseLeft || UI.nMouseRight)
                 {
                     CBClick[nMenu](i);
                 }
-                MicroProfileDrawBox(nX, nY, nX + nWidth, nY + MICROPROFILE_TEXT_HEIGHT + 1, 0xff888888);
+                MicroProfileDrawBox(nX, nY, nX + nTextWidth, nY + MICROPROFILE_TEXT_HEIGHT + 1, 0xff888888);
             }
-            int nLen = snprintf(buffer, SBUF_SIZE-1, "%c %s", bSelected ? '*' : ' ' ,pString);
-            MicroProfileDrawText(nX, nY, UINT32_MAX, buffer, nLen);
+            int nTextLen = snprintf(buffer, SBUF_SIZE-1, "%c %s", bSelected2 ? '*' : ' ' ,pString2);
+            MicroProfileDrawText(nX, nY, UINT32_MAX, buffer, nTextLen);
             nY += MICROPROFILE_TEXT_HEIGHT+1;
         }
     }
@@ -2605,7 +2604,7 @@ inline void MicroProfileDrawCustom(uint32_t nWidth, uint32_t nHeight)
             for(uint32_t i = 0; i < nCount; ++i)
             {
                 nOffsetY += (1+MICROPROFILE_TEXT_HEIGHT);
-                uint32_t nWidth = MicroProfileMin(nMaxWidth, (uint32_t)(nMaxWidth * pMs[i] * fRcpReference));
+                nWidth = MicroProfileMin(nMaxWidth, (uint32_t)(nMaxWidth * pMs[i] * fRcpReference));
                 MicroProfileDrawBox(nMaxOffsetX, nOffsetY, nMaxOffsetX+nWidth, nOffsetY+MICROPROFILE_TEXT_HEIGHT, pColors[i]|0xff000000);
             }
         }

src/CMakeLists.txt

@@ -65,6 +65,10 @@ if (MSVC)
         /we4305 # 'context': truncation from 'type1' to 'type2'
         /we4388 # 'expression': signed/unsigned mismatch
         /we4389 # 'operator': signed/unsigned mismatch
+        /we4456 # Declaration of 'identifier' hides previous local declaration
+        /we4457 # Declaration of 'identifier' hides function parameter
+        /we4458 # Declaration of 'identifier' hides class member
+        /we4459 # Declaration of 'identifier' hides global declaration
         /we4505 # 'function': unreferenced local function has been removed
         /we4547 # 'operator': operator before comma has no effect; expected operator with side-effect
         /we4549 # 'operator1': operator before comma has no effect; did you intend 'operator2'?
@@ -92,6 +96,7 @@ else()
         -Werror=missing-declarations
         -Werror=missing-field-initializers
         -Werror=reorder
+        -Werror=shadow
         -Werror=sign-compare
         -Werror=switch
         -Werror=uninitialized

src/audio_core/CMakeLists.txt

@@ -49,9 +49,6 @@ if (NOT MSVC)
     target_compile_options(audio_core PRIVATE
         -Werror=conversion
         -Werror=ignored-qualifiers
-        -Werror=shadow
-        -Werror=unused-parameter
-        -Werror=unused-variable
 
         $<$<CXX_COMPILER_ID:GNU>:-Werror=unused-but-set-parameter>
         $<$<CXX_COMPILER_ID:GNU>:-Werror=unused-but-set-variable>

src/audio_core/audio_renderer.cpp

@@ -98,13 +98,13 @@ AudioRenderer::AudioRenderer(Core::Timing::CoreTiming& core_timing_, Core::Memor
 
 AudioRenderer::~AudioRenderer() = default;
 
-ResultCode AudioRenderer::Start() {
+Result AudioRenderer::Start() {
     audio_out->StartStream(stream);
     ReleaseAndQueueBuffers();
     return ResultSuccess;
 }
 
-ResultCode AudioRenderer::Stop() {
+Result AudioRenderer::Stop() {
     audio_out->StopStream(stream);
     return ResultSuccess;
 }
@@ -125,8 +125,8 @@ Stream::State AudioRenderer::GetStreamState() const {
     return stream->GetState();
 }
 
-ResultCode AudioRenderer::UpdateAudioRenderer(const std::vector<u8>& input_params,
-                                              std::vector<u8>& output_params) {
+Result AudioRenderer::UpdateAudioRenderer(const std::vector<u8>& input_params,
+                                          std::vector<u8>& output_params) {
     std::scoped_lock lock{mutex};
     InfoUpdater info_updater{input_params, output_params, behavior_info};
 

src/audio_core/audio_renderer.h

@@ -43,10 +43,10 @@ public:
                   Stream::ReleaseCallback&& release_callback, std::size_t instance_number);
     ~AudioRenderer();
 
-    [[nodiscard]] ResultCode UpdateAudioRenderer(const std::vector<u8>& input_params,
-                                                 std::vector<u8>& output_params);
-    [[nodiscard]] ResultCode Start();
-    [[nodiscard]] ResultCode Stop();
+    [[nodiscard]] Result UpdateAudioRenderer(const std::vector<u8>& input_params,
+                                             std::vector<u8>& output_params);
+    [[nodiscard]] Result Start();
+    [[nodiscard]] Result Stop();
     void QueueMixedBuffer(Buffer::Tag tag);
     void ReleaseAndQueueBuffers();
     [[nodiscard]] u32 GetSampleRate() const;

src/audio_core/common.h

@@ -10,8 +10,8 @@
 
 namespace AudioCommon {
 namespace Audren {
-constexpr ResultCode ERR_INVALID_PARAMETERS{ErrorModule::Audio, 41};
-constexpr ResultCode ERR_SPLITTER_SORT_FAILED{ErrorModule::Audio, 43};
+constexpr Result ERR_INVALID_PARAMETERS{ErrorModule::Audio, 41};
+constexpr Result ERR_SPLITTER_SORT_FAILED{ErrorModule::Audio, 43};
 } // namespace Audren
 
 constexpr u8 BASE_REVISION = '0';

src/audio_core/info_updater.cpp

@@ -285,9 +285,8 @@ bool InfoUpdater::UpdateSplitterInfo(SplitterContext& splitter_context) {
     return true;
 }
 
-ResultCode InfoUpdater::UpdateMixes(MixContext& mix_context, std::size_t mix_buffer_count,
-                                    SplitterContext& splitter_context,
-                                    EffectContext& effect_context) {
+Result InfoUpdater::UpdateMixes(MixContext& mix_context, std::size_t mix_buffer_count,
+                                SplitterContext& splitter_context, EffectContext& effect_context) {
     std::vector<MixInfo::InParams> mix_in_params;
 
     if (!behavior_info.IsMixInParameterDirtyOnlyUpdateSupported()) {

src/audio_core/info_updater.h

@@ -32,8 +32,8 @@ public:
                       VAddr audio_codec_dsp_addr);
     bool UpdateEffects(EffectContext& effect_context, bool is_active);
     bool UpdateSplitterInfo(SplitterContext& splitter_context);
-    ResultCode UpdateMixes(MixContext& mix_context, std::size_t mix_buffer_count,
-                           SplitterContext& splitter_context, EffectContext& effect_context);
+    Result UpdateMixes(MixContext& mix_context, std::size_t mix_buffer_count,
+                       SplitterContext& splitter_context, EffectContext& effect_context);
     bool UpdateSinks(SinkContext& sink_context);
     bool UpdatePerformanceBuffer();
     bool UpdateErrorInfo(BehaviorInfo& in_behavior_info);

src/common/bounded_threadsafe_queue.h

@@ -1,10 +1,7 @@
 // SPDX-FileCopyrightText: Copyright (c) 2020 Erik Rigtorp <erik@rigtorp.se>
 // SPDX-License-Identifier: MIT
+
 #pragma once
-#ifdef _MSC_VER
-#pragma warning(push)
-#pragma warning(disable : 4324)
-#endif
 
 #include <atomic>
 #include <bit>
@@ -12,105 +9,63 @@
 #include <memory>
 #include <mutex>
 #include <new>
-#include <stdexcept>
 #include <stop_token>
 #include <type_traits>
 #include <utility>
 
 namespace Common {
-namespace mpsc {
+
 #if defined(__cpp_lib_hardware_interference_size)
 constexpr size_t hardware_interference_size = std::hardware_destructive_interference_size;
 #else
 constexpr size_t hardware_interference_size = 64;
 #endif
 
-template <typename T>
-using AlignedAllocator = std::allocator<T>;
+#ifdef _MSC_VER
+#pragma warning(push)
+#pragma warning(disable : 4324)
+#endif
 
-template <typename T>
-struct Slot {
-    ~Slot() noexcept {
-        if (turn.test()) {
-            destroy();
-        }
-    }
-
-    template <typename... Args>
-    void construct(Args&&... args) noexcept {
-        static_assert(std::is_nothrow_constructible_v<T, Args&&...>,
-                      "T must be nothrow constructible with Args&&...");
-        std::construct_at(reinterpret_cast<T*>(&storage), std::forward<Args>(args)...);
-    }
-
-    void destroy() noexcept {
-        static_assert(std::is_nothrow_destructible_v<T>, "T must be nothrow destructible");
-        std::destroy_at(reinterpret_cast<T*>(&storage));
-    }
-
-    T&& move() noexcept {
-        return reinterpret_cast<T&&>(storage);
-    }
-
-    // Align to avoid false sharing between adjacent slots
-    alignas(hardware_interference_size) std::atomic_flag turn{};
-    struct aligned_store {
-        struct type {
-            alignas(T) unsigned char data[sizeof(T)];
-        };
-    };
-    typename aligned_store::type storage;
-};
-
-template <typename T, typename Allocator = AlignedAllocator<Slot<T>>>
-class Queue {
+template <typename T, size_t capacity = 0x400>
+class MPSCQueue {
 public:
-    explicit Queue(const size_t capacity, const Allocator& allocator = Allocator())
-        : allocator_(allocator) {
-        if (capacity < 1) {
-            throw std::invalid_argument("capacity < 1");
-        }
-        // Ensure that the queue length is an integer power of 2
-        // This is so that idx(i) can be a simple i & mask_ insted of i % capacity
-        // https://github.com/rigtorp/MPMCQueue/pull/36
-        if (!std::has_single_bit(capacity)) {
-            throw std::invalid_argument("capacity must be an integer power of 2");
-        }
-
-        mask_ = capacity - 1;
-
+    explicit MPSCQueue() : allocator{std::allocator<Slot<T>>()} {
         // Allocate one extra slot to prevent false sharing on the last slot
-        slots_ = allocator_.allocate(mask_ + 2);
+        slots = allocator.allocate(capacity + 1);
         // Allocators are not required to honor alignment for over-aligned types
         // (see http://eel.is/c++draft/allocator.requirements#10) so we verify
         // alignment here
-        if (reinterpret_cast<uintptr_t>(slots_) % alignof(Slot<T>) != 0) {
-            allocator_.deallocate(slots_, mask_ + 2);
+        if (reinterpret_cast<uintptr_t>(slots) % alignof(Slot<T>) != 0) {
+            allocator.deallocate(slots, capacity + 1);
             throw std::bad_alloc();
         }
-        for (size_t i = 0; i < mask_ + 1; ++i) {
-            std::construct_at(&slots_[i]);
+        for (size_t i = 0; i < capacity; ++i) {
+            std::construct_at(&slots[i]);
         }
+        static_assert(std::has_single_bit(capacity), "capacity must be an integer power of 2");
         static_assert(alignof(Slot<T>) == hardware_interference_size,
                       "Slot must be aligned to cache line boundary to prevent false sharing");
         static_assert(sizeof(Slot<T>) % hardware_interference_size == 0,
                       "Slot size must be a multiple of cache line size to prevent "
                       "false sharing between adjacent slots");
-        static_assert(sizeof(Queue) % hardware_interference_size == 0,
+        static_assert(sizeof(MPSCQueue) % hardware_interference_size == 0,
                       "Queue size must be a multiple of cache line size to "
                       "prevent false sharing between adjacent queues");
     }
 
-    ~Queue() noexcept {
-        for (size_t i = 0; i < mask_ + 1; ++i) {
-            slots_[i].~Slot();
+    ~MPSCQueue() noexcept {
+        for (size_t i = 0; i < capacity; ++i) {
+            std::destroy_at(&slots[i]);
         }
-        allocator_.deallocate(slots_, mask_ + 2);
+        allocator.deallocate(slots, capacity + 1);
     }
 
-    // non-copyable and non-movable
-    Queue(const Queue&) = delete;
-    Queue& operator=(const Queue&) = delete;
+    // The queue must be both non-copyable and non-movable
+    MPSCQueue(const MPSCQueue&) = delete;
+    MPSCQueue& operator=(const MPSCQueue&) = delete;
+
+    MPSCQueue(MPSCQueue&&) = delete;
+    MPSCQueue& operator=(MPSCQueue&&) = delete;
 
     void Push(const T& v) noexcept {
         static_assert(std::is_nothrow_copy_constructible_v<T>,
@@ -125,8 +80,8 @@ public:
 
     void Pop(T& v, std::stop_token stop) noexcept {
         auto const tail = tail_.fetch_add(1);
-        auto& slot = slots_[idx(tail)];
-        if (false == slot.turn.test()) {
+        auto& slot = slots[idx(tail)];
+        if (!slot.turn.test()) {
             std::unique_lock lock{cv_mutex};
             cv.wait(lock, stop, [&slot] { return slot.turn.test(); });
         }
@@ -137,12 +92,46 @@ public:
     }
 
 private:
+    template <typename U = T>
+    struct Slot {
+        ~Slot() noexcept {
+            if (turn.test()) {
+                destroy();
+            }
+        }
+
+        template <typename... Args>
+        void construct(Args&&... args) noexcept {
+            static_assert(std::is_nothrow_constructible_v<U, Args&&...>,
+                          "T must be nothrow constructible with Args&&...");
+            std::construct_at(reinterpret_cast<U*>(&storage), std::forward<Args>(args)...);
+        }
+
+        void destroy() noexcept {
+            static_assert(std::is_nothrow_destructible_v<U>, "T must be nothrow destructible");
+            std::destroy_at(reinterpret_cast<U*>(&storage));
+        }
+
+        U&& move() noexcept {
+            return reinterpret_cast<U&&>(storage);
+        }
+
+        // Align to avoid false sharing between adjacent slots
+        alignas(hardware_interference_size) std::atomic_flag turn{};
+        struct aligned_store {
+            struct type {
+                alignas(U) unsigned char data[sizeof(U)];
+            };
+        };
+        typename aligned_store::type storage;
+    };
+
     template <typename... Args>
     void emplace(Args&&... args) noexcept {
         static_assert(std::is_nothrow_constructible_v<T, Args&&...>,
                       "T must be nothrow constructible with Args&&...");
         auto const head = head_.fetch_add(1);
-        auto& slot = slots_[idx(head)];
+        auto& slot = slots[idx(head)];
         slot.turn.wait(true);
         slot.construct(std::forward<Args>(args)...);
         slot.turn.test_and_set();
@@ -150,31 +139,29 @@ private:
     }
 
     constexpr size_t idx(size_t i) const noexcept {
-        return i & mask_;
+        return i & mask;
     }
 
-    std::conditional_t<true, std::condition_variable_any, std::condition_variable> cv;
-    std::mutex cv_mutex;
-    size_t mask_;
-    Slot<T>* slots_;
-    [[no_unique_address]] Allocator allocator_;
+    static constexpr size_t mask = capacity - 1;
 
     // Align to avoid false sharing between head_ and tail_
     alignas(hardware_interference_size) std::atomic<size_t> head_{0};
     alignas(hardware_interference_size) std::atomic<size_t> tail_{0};
 
+    std::mutex cv_mutex;
+    std::condition_variable_any cv;
+
+    Slot<T>* slots;
+    [[no_unique_address]] std::allocator<Slot<T>> allocator;
+
     static_assert(std::is_nothrow_copy_assignable_v<T> || std::is_nothrow_move_assignable_v<T>,
                   "T must be nothrow copy or move assignable");
 
     static_assert(std::is_nothrow_destructible_v<T>, "T must be nothrow destructible");
 };
-} // namespace mpsc
-
-template <typename T, typename Allocator = mpsc::AlignedAllocator<mpsc::Slot<T>>>
-using MPSCQueue = mpsc::Queue<T, Allocator>;
-
-} // namespace Common
 
 #ifdef _MSC_VER
 #pragma warning(pop)
 #endif
+
+} // namespace Common

src/common/detached_tasks.cpp

@@ -33,9 +33,9 @@ void DetachedTasks::AddTask(std::function<void()> task) {
     ++instance->count;
     std::thread([task{std::move(task)}]() {
         task();
-        std::unique_lock lock{instance->mutex};
+        std::unique_lock thread_lock{instance->mutex};
         --instance->count;
-        std::notify_all_at_thread_exit(instance->cv, std::move(lock));
+        std::notify_all_at_thread_exit(instance->cv, std::move(thread_lock));
     }).detach();
 }
 

src/common/page_table.h

@@ -15,6 +15,9 @@ enum class PageType : u8 {
     Unmapped,
     /// Page is mapped to regular memory. This is the only type you can get pointers to.
     Memory,
+    /// Page is mapped to regular memory, but inaccessible from CPU fastmem and must use
+    /// the callbacks.
+    DebugMemory,
     /// Page is mapped to regular memory, but also needs to check for rasterizer cache flushing and
     /// invalidation
     RasterizerCachedMemory,

src/common/thread.cpp

@@ -47,6 +47,9 @@ void SetCurrentThreadPriority(ThreadPriority new_priority) {
     case ThreadPriority::VeryHigh:
         windows_priority = THREAD_PRIORITY_HIGHEST;
         break;
+    case ThreadPriority::Critical:
+        windows_priority = THREAD_PRIORITY_TIME_CRITICAL;
+        break;
     default:
         windows_priority = THREAD_PRIORITY_NORMAL;
         break;
@@ -59,9 +62,10 @@ void SetCurrentThreadPriority(ThreadPriority new_priority) {
 void SetCurrentThreadPriority(ThreadPriority new_priority) {
     pthread_t this_thread = pthread_self();
 
-    s32 max_prio = sched_get_priority_max(SCHED_OTHER);
-    s32 min_prio = sched_get_priority_min(SCHED_OTHER);
-    u32 level = static_cast<u32>(new_priority) + 1;
+    const auto scheduling_type = SCHED_OTHER;
+    s32 max_prio = sched_get_priority_max(scheduling_type);
+    s32 min_prio = sched_get_priority_min(scheduling_type);
+    u32 level = std::max(static_cast<u32>(new_priority) + 1, 4U);
 
     struct sched_param params;
     if (max_prio > min_prio) {
@@ -70,7 +74,7 @@ void SetCurrentThreadPriority(ThreadPriority new_priority) {
         params.sched_priority = min_prio - ((min_prio - max_prio) * level) / 4;
     }
 
-    pthread_setschedparam(this_thread, SCHED_OTHER, &params);
+    pthread_setschedparam(this_thread, scheduling_type, &params);
 }
 
 #endif

src/common/thread.h

@@ -92,6 +92,7 @@ enum class ThreadPriority : u32 {
     Normal = 1,
     High = 2,
     VeryHigh = 3,
+    Critical = 4,
 };
 
 void SetCurrentThreadPriority(ThreadPriority new_priority);

src/common/uint128.h

@@ -30,6 +30,10 @@ namespace Common {
 #else
     return _udiv128(r[1], r[0], d, &remainder);
 #endif
+#else
+#ifdef __SIZEOF_INT128__
+    const auto product = static_cast<unsigned __int128>(a) * static_cast<unsigned __int128>(b);
+    return static_cast<u64>(product / d);
 #else
     const u64 diva = a / d;
     const u64 moda = a % d;
@@ -37,6 +41,7 @@ namespace Common {
     const u64 modb = b % d;
     return diva * b + moda * divb + moda * modb / d;
 #endif
+#endif
 }
 
 // This function multiplies 2 u64 values and produces a u128 value;

src/common/x64/native_clock.cpp

@@ -75,8 +75,8 @@ NativeClock::NativeClock(u64 emulated_cpu_frequency_, u64 emulated_clock_frequen
 }
 
 u64 NativeClock::GetRTSC() {
-    TimePoint new_time_point{};
     TimePoint current_time_point{};
+    TimePoint new_time_point{};
 
     current_time_point.pack = Common::AtomicLoad128(time_point.pack.data());
     do {
@@ -89,8 +89,7 @@ u64 NativeClock::GetRTSC() {
         new_time_point.inner.accumulated_ticks = current_time_point.inner.accumulated_ticks + diff;
     } while (!Common::AtomicCompareAndSwap(time_point.pack.data(), new_time_point.pack,
                                            current_time_point.pack, current_time_point.pack));
-    /// The clock cannot be more precise than the guest timer, remove the lower bits
-    return new_time_point.inner.accumulated_ticks & inaccuracy_mask;
+    return new_time_point.inner.accumulated_ticks;
 }
 
 void NativeClock::Pause(bool is_paused) {

src/common/x64/native_clock.h

@@ -37,12 +37,8 @@ private:
         } inner;
     };
 
-    /// value used to reduce the native clocks accuracy as some apss rely on
-    /// undefined behavior where the level of accuracy in the clock shouldn't
-    /// be higher.
-    static constexpr u64 inaccuracy_mask = ~(UINT64_C(0x400) - 1);
-
     TimePoint time_point;
+
     // factors
     u64 clock_rtsc_factor{};
     u64 cpu_rtsc_factor{};

src/core/CMakeLists.txt

@@ -222,7 +222,7 @@ add_library(core STATIC
     hle/kernel/k_page_buffer.h
     hle/kernel/k_page_heap.cpp
     hle/kernel/k_page_heap.h
-    hle/kernel/k_page_linked_list.h
+    hle/kernel/k_page_group.h
     hle/kernel/k_page_table.cpp
     hle/kernel/k_page_table.h
     hle/kernel/k_port.cpp
@@ -743,16 +743,11 @@ if (MSVC)
         /we4244 # 'conversion': conversion from 'type1' to 'type2', possible loss of data
         /we4245 # 'conversion': conversion from 'type1' to 'type2', signed/unsigned mismatch
         /we4254 # 'operator': conversion from 'type1:field_bits' to 'type2:field_bits', possible loss of data
-        /we4456 # Declaration of 'identifier' hides previous local declaration
-        /we4457 # Declaration of 'identifier' hides function parameter
-        /we4458 # Declaration of 'identifier' hides class member
-        /we4459 # Declaration of 'identifier' hides global declaration
     )
 else()
     target_compile_options(core PRIVATE
         -Werror=conversion
         -Werror=ignored-qualifiers
-        -Werror=shadow
 
         $<$<CXX_COMPILER_ID:GNU>:-Werror=class-memaccess>
         $<$<CXX_COMPILER_ID:GNU>:-Werror=unused-but-set-parameter>

src/core/arm/arm_interface.cpp

@@ -95,7 +95,7 @@ void ARM_Interface::Run() {
     using Kernel::SuspendType;
 
     while (true) {
-        Kernel::KThread* current_thread{system.Kernel().CurrentScheduler()->GetCurrentThread()};
+        Kernel::KThread* current_thread{Kernel::GetCurrentThreadPointer(system.Kernel())};
         Dynarmic::HaltReason hr{};
 
         // Notify the debugger and go to sleep if a step was performed
@@ -107,6 +107,7 @@ void ARM_Interface::Run() {
         }
 
         // Otherwise, run the thread.
+        system.EnterDynarmicProfile();
         if (current_thread->GetStepState() == StepState::StepPending) {
             hr = StepJit();
 
@@ -116,11 +117,19 @@ void ARM_Interface::Run() {
         } else {
             hr = RunJit();
         }
+        system.ExitDynarmicProfile();
 
         // Notify the debugger and go to sleep if a breakpoint was hit.
         if (Has(hr, breakpoint)) {
+            RewindBreakpointInstruction();
             system.GetDebugger().NotifyThreadStopped(current_thread);
-            current_thread->RequestSuspend(Kernel::SuspendType::Debug);
+            current_thread->RequestSuspend(SuspendType::Debug);
+            break;
+        }
+        if (Has(hr, watchpoint)) {
+            RewindBreakpointInstruction();
+            system.GetDebugger().NotifyThreadWatchpoint(current_thread, *HaltedWatchpoint());
+            current_thread->RequestSuspend(SuspendType::Debug);
             break;
         }
 
@@ -134,4 +143,36 @@ void ARM_Interface::Run() {
     }
 }
 
+void ARM_Interface::LoadWatchpointArray(const WatchpointArray& wp) {
+    watchpoints = ℘
+}
+
+const Kernel::DebugWatchpoint* ARM_Interface::MatchingWatchpoint(
+    VAddr addr, u64 size, Kernel::DebugWatchpointType access_type) const {
+    if (!watchpoints) {
+        return nullptr;
+    }
+
+    const VAddr start_address{addr};
+    const VAddr end_address{addr + size};
+
+    for (size_t i = 0; i < Core::Hardware::NUM_WATCHPOINTS; i++) {
+        const auto& watch{(*watchpoints)[i]};
+
+        if (end_address <= watch.start_address) {
+            continue;
+        }
+        if (start_address >= watch.end_address) {
+            continue;
+        }
+        if ((access_type & watch.type) == Kernel::DebugWatchpointType::None) {
+            continue;
+        }
+
+        return &watch;
+    }
+
+    return nullptr;
+}
+
 } // namespace Core

src/core/arm/arm_interface.h

@@ -5,6 +5,7 @@
 #pragma once
 
 #include <array>
+#include <span>
 #include <vector>
 
 #include <dynarmic/interface/halt_reason.h>
@@ -19,13 +20,16 @@ struct PageTable;
 
 namespace Kernel {
 enum class VMAPermission : u8;
-}
+enum class DebugWatchpointType : u8;
+struct DebugWatchpoint;
+} // namespace Kernel
 
 namespace Core {
 class System;
 class CPUInterruptHandler;
 
 using CPUInterrupts = std::array<CPUInterruptHandler, Core::Hardware::NUM_CPU_CORES>;
+using WatchpointArray = std::array<Kernel::DebugWatchpoint, Core::Hardware::NUM_WATCHPOINTS>;
 
 /// Generic ARMv8 CPU interface
 class ARM_Interface {
@@ -170,6 +174,7 @@ public:
     virtual void SaveContext(ThreadContext64& ctx) = 0;
     virtual void LoadContext(const ThreadContext32& ctx) = 0;
     virtual void LoadContext(const ThreadContext64& ctx) = 0;
+    void LoadWatchpointArray(const WatchpointArray& wp);
 
     /// Clears the exclusive monitor's state.
     virtual void ClearExclusiveState() = 0;
@@ -198,18 +203,24 @@ public:
     static constexpr Dynarmic::HaltReason break_loop = Dynarmic::HaltReason::UserDefined2;
     static constexpr Dynarmic::HaltReason svc_call = Dynarmic::HaltReason::UserDefined3;
     static constexpr Dynarmic::HaltReason breakpoint = Dynarmic::HaltReason::UserDefined4;
+    static constexpr Dynarmic::HaltReason watchpoint = Dynarmic::HaltReason::UserDefined5;
 
 protected:
     /// System context that this ARM interface is running under.
     System& system;
     CPUInterrupts& interrupt_handlers;
+    const WatchpointArray* watchpoints;
     bool uses_wall_clock;
 
     static void SymbolicateBacktrace(Core::System& system, std::vector<BacktraceEntry>& out);
+    const Kernel::DebugWatchpoint* MatchingWatchpoint(
+        VAddr addr, u64 size, Kernel::DebugWatchpointType access_type) const;
 
     virtual Dynarmic::HaltReason RunJit() = 0;
     virtual Dynarmic::HaltReason StepJit() = 0;
     virtual u32 GetSvcNumber() const = 0;
+    virtual const Kernel::DebugWatchpoint* HaltedWatchpoint() const = 0;
+    virtual void RewindBreakpointInstruction() = 0;
 };
 
 } // namespace Core

src/core/arm/dynarmic/arm_dynarmic_32.cpp

@@ -29,45 +29,62 @@ using namespace Common::Literals;
 class DynarmicCallbacks32 : public Dynarmic::A32::UserCallbacks {
 public:
     explicit DynarmicCallbacks32(ARM_Dynarmic_32& parent_)
-        : parent{parent_}, memory(parent.system.Memory()) {}
+        : parent{parent_},
+          memory(parent.system.Memory()), debugger_enabled{parent.system.DebuggerEnabled()} {}
 
     u8 MemoryRead8(u32 vaddr) override {
+        CheckMemoryAccess(vaddr, 1, Kernel::DebugWatchpointType::Read);
         return memory.Read8(vaddr);
     }
     u16 MemoryRead16(u32 vaddr) override {
+        CheckMemoryAccess(vaddr, 2, Kernel::DebugWatchpointType::Read);
         return memory.Read16(vaddr);
     }
     u32 MemoryRead32(u32 vaddr) override {
+        CheckMemoryAccess(vaddr, 4, Kernel::DebugWatchpointType::Read);
         return memory.Read32(vaddr);
     }
     u64 MemoryRead64(u32 vaddr) override {
+        CheckMemoryAccess(vaddr, 8, Kernel::DebugWatchpointType::Read);
         return memory.Read64(vaddr);
     }
 
     void MemoryWrite8(u32 vaddr, u8 value) override {
-        memory.Write8(vaddr, value);
+        if (CheckMemoryAccess(vaddr, 1, Kernel::DebugWatchpointType::Write)) {
+            memory.Write8(vaddr, value);
+        }
     }
     void MemoryWrite16(u32 vaddr, u16 value) override {
-        memory.Write16(vaddr, value);
+        if (CheckMemoryAccess(vaddr, 2, Kernel::DebugWatchpointType::Write)) {
+            memory.Write16(vaddr, value);
+        }
     }
     void MemoryWrite32(u32 vaddr, u32 value) override {
-        memory.Write32(vaddr, value);
+        if (CheckMemoryAccess(vaddr, 4, Kernel::DebugWatchpointType::Write)) {
+            memory.Write32(vaddr, value);
+        }
     }
     void MemoryWrite64(u32 vaddr, u64 value) override {
-        memory.Write64(vaddr, value);
+        if (CheckMemoryAccess(vaddr, 8, Kernel::DebugWatchpointType::Write)) {
+            memory.Write64(vaddr, value);
+        }
     }
 
     bool MemoryWriteExclusive8(u32 vaddr, u8 value, u8 expected) override {
-        return memory.WriteExclusive8(vaddr, value, expected);
+        return CheckMemoryAccess(vaddr, 1, Kernel::DebugWatchpointType::Write) &&
+               memory.WriteExclusive8(vaddr, value, expected);
     }
     bool MemoryWriteExclusive16(u32 vaddr, u16 value, u16 expected) override {
-        return memory.WriteExclusive16(vaddr, value, expected);
+        return CheckMemoryAccess(vaddr, 2, Kernel::DebugWatchpointType::Write) &&
+               memory.WriteExclusive16(vaddr, value, expected);
     }
     bool MemoryWriteExclusive32(u32 vaddr, u32 value, u32 expected) override {
-        return memory.WriteExclusive32(vaddr, value, expected);
+        return CheckMemoryAccess(vaddr, 4, Kernel::DebugWatchpointType::Write) &&
+               memory.WriteExclusive32(vaddr, value, expected);
     }
     bool MemoryWriteExclusive64(u32 vaddr, u64 value, u64 expected) override {
-        return memory.WriteExclusive64(vaddr, value, expected);
+        return CheckMemoryAccess(vaddr, 8, Kernel::DebugWatchpointType::Write) &&
+               memory.WriteExclusive64(vaddr, value, expected);
     }
 
     void InterpreterFallback(u32 pc, std::size_t num_instructions) override {
@@ -77,8 +94,8 @@ public:
     }
 
     void ExceptionRaised(u32 pc, Dynarmic::A32::Exception exception) override {
-        if (parent.system.DebuggerEnabled()) {
-            parent.jit.load()->Regs()[15] = pc;
+        if (debugger_enabled) {
+            parent.SaveContext(parent.breakpoint_context);
             parent.jit.load()->HaltExecution(ARM_Interface::breakpoint);
             return;
         }
@@ -117,9 +134,26 @@ public:
         return std::max<s64>(parent.system.CoreTiming().GetDowncount(), 0);
     }
 
+    bool CheckMemoryAccess(VAddr addr, u64 size, Kernel::DebugWatchpointType type) {
+        if (!debugger_enabled) {
+            return true;
+        }
+
+        const auto match{parent.MatchingWatchpoint(addr, size, type)};
+        if (match) {
+            parent.SaveContext(parent.breakpoint_context);
+            parent.jit.load()->HaltExecution(ARM_Interface::watchpoint);
+            parent.halted_watchpoint = match;
+            return false;
+        }
+
+        return true;
+    }
+
     ARM_Dynarmic_32& parent;
     Core::Memory::Memory& memory;
     std::size_t num_interpreted_instructions{};
+    bool debugger_enabled{};
     static constexpr u64 minimum_run_cycles = 1000U;
 };
 
@@ -154,6 +188,11 @@ std::shared_ptr<Dynarmic::A32::Jit> ARM_Dynarmic_32::MakeJit(Common::PageTable*
     config.code_cache_size = 512_MiB;
     config.far_code_offset = 400_MiB;
 
+    // Allow memory fault handling to work
+    if (system.DebuggerEnabled()) {
+        config.check_halt_on_memory_access = true;
+    }
+
     // null_jit
     if (!page_table) {
         // Don't waste too much memory on null_jit
@@ -248,6 +287,14 @@ u32 ARM_Dynarmic_32::GetSvcNumber() const {
     return svc_swi;
 }
 
+const Kernel::DebugWatchpoint* ARM_Dynarmic_32::HaltedWatchpoint() const {
+    return halted_watchpoint;
+}
+
+void ARM_Dynarmic_32::RewindBreakpointInstruction() {
+    LoadContext(breakpoint_context);
+}
+
 ARM_Dynarmic_32::ARM_Dynarmic_32(System& system_, CPUInterrupts& interrupt_handlers_,
                                  bool uses_wall_clock_, ExclusiveMonitor& exclusive_monitor_,
                                  std::size_t core_index_)

src/core/arm/dynarmic/arm_dynarmic_32.h

@@ -72,6 +72,8 @@ protected:
     Dynarmic::HaltReason RunJit() override;
     Dynarmic::HaltReason StepJit() override;
     u32 GetSvcNumber() const override;
+    const Kernel::DebugWatchpoint* HaltedWatchpoint() const override;
+    void RewindBreakpointInstruction() override;
 
 private:
     std::shared_ptr<Dynarmic::A32::Jit> MakeJit(Common::PageTable* page_table) const;
@@ -98,6 +100,10 @@ private:
 
     // SVC callback
     u32 svc_swi{};
+
+    // Watchpoint info
+    const Kernel::DebugWatchpoint* halted_watchpoint;
+    ThreadContext32 breakpoint_context;
 };
 
 } // namespace Core

src/core/arm/dynarmic/arm_dynarmic_64.cpp

@@ -29,55 +29,76 @@ using namespace Common::Literals;
 class DynarmicCallbacks64 : public Dynarmic::A64::UserCallbacks {
 public:
     explicit DynarmicCallbacks64(ARM_Dynarmic_64& parent_)
-        : parent{parent_}, memory(parent.system.Memory()) {}
+        : parent{parent_},
+          memory(parent.system.Memory()), debugger_enabled{parent.system.DebuggerEnabled()} {}
 
     u8 MemoryRead8(u64 vaddr) override {
+        CheckMemoryAccess(vaddr, 1, Kernel::DebugWatchpointType::Read);
         return memory.Read8(vaddr);
     }
     u16 MemoryRead16(u64 vaddr) override {
+        CheckMemoryAccess(vaddr, 2, Kernel::DebugWatchpointType::Read);
         return memory.Read16(vaddr);
     }
     u32 MemoryRead32(u64 vaddr) override {
+        CheckMemoryAccess(vaddr, 4, Kernel::DebugWatchpointType::Read);
         return memory.Read32(vaddr);
     }
     u64 MemoryRead64(u64 vaddr) override {
+        CheckMemoryAccess(vaddr, 8, Kernel::DebugWatchpointType::Read);
         return memory.Read64(vaddr);
     }
     Vector MemoryRead128(u64 vaddr) override {
+        CheckMemoryAccess(vaddr, 16, Kernel::DebugWatchpointType::Read);
         return {memory.Read64(vaddr), memory.Read64(vaddr + 8)};
     }
 
     void MemoryWrite8(u64 vaddr, u8 value) override {
-        memory.Write8(vaddr, value);
+        if (CheckMemoryAccess(vaddr, 1, Kernel::DebugWatchpointType::Write)) {
+            memory.Write8(vaddr, value);
+        }
     }
     void MemoryWrite16(u64 vaddr, u16 value) override {
-        memory.Write16(vaddr, value);
+        if (CheckMemoryAccess(vaddr, 2, Kernel::DebugWatchpointType::Write)) {
+            memory.Write16(vaddr, value);
+        }
     }
     void MemoryWrite32(u64 vaddr, u32 value) override {
-        memory.Write32(vaddr, value);
+        if (CheckMemoryAccess(vaddr, 4, Kernel::DebugWatchpointType::Write)) {
+            memory.Write32(vaddr, value);
+        }
     }
     void MemoryWrite64(u64 vaddr, u64 value) override {
-        memory.Write64(vaddr, value);
+        if (CheckMemoryAccess(vaddr, 8, Kernel::DebugWatchpointType::Write)) {
+            memory.Write64(vaddr, value);
+        }
     }
     void MemoryWrite128(u64 vaddr, Vector value) override {
-        memory.Write64(vaddr, value[0]);
-        memory.Write64(vaddr + 8, value[1]);
+        if (CheckMemoryAccess(vaddr, 16, Kernel::DebugWatchpointType::Write)) {
+            memory.Write64(vaddr, value[0]);
+            memory.Write64(vaddr + 8, value[1]);
+        }
     }
 
     bool MemoryWriteExclusive8(u64 vaddr, std::uint8_t value, std::uint8_t expected) override {
-        return memory.WriteExclusive8(vaddr, value, expected);
+        return CheckMemoryAccess(vaddr, 1, Kernel::DebugWatchpointType::Write) &&
+               memory.WriteExclusive8(vaddr, value, expected);
     }
     bool MemoryWriteExclusive16(u64 vaddr, std::uint16_t value, std::uint16_t expected) override {
-        return memory.WriteExclusive16(vaddr, value, expected);
+        return CheckMemoryAccess(vaddr, 2, Kernel::DebugWatchpointType::Write) &&
+               memory.WriteExclusive16(vaddr, value, expected);
     }
     bool MemoryWriteExclusive32(u64 vaddr, std::uint32_t value, std::uint32_t expected) override {
-        return memory.WriteExclusive32(vaddr, value, expected);
+        return CheckMemoryAccess(vaddr, 4, Kernel::DebugWatchpointType::Write) &&
+               memory.WriteExclusive32(vaddr, value, expected);
     }
     bool MemoryWriteExclusive64(u64 vaddr, std::uint64_t value, std::uint64_t expected) override {
-        return memory.WriteExclusive64(vaddr, value, expected);
+        return CheckMemoryAccess(vaddr, 8, Kernel::DebugWatchpointType::Write) &&
+               memory.WriteExclusive64(vaddr, value, expected);
     }
     bool MemoryWriteExclusive128(u64 vaddr, Vector value, Vector expected) override {
-        return memory.WriteExclusive128(vaddr, value, expected);
+        return CheckMemoryAccess(vaddr, 16, Kernel::DebugWatchpointType::Write) &&
+               memory.WriteExclusive128(vaddr, value, expected);
     }
 
     void InterpreterFallback(u64 pc, std::size_t num_instructions) override {
@@ -118,8 +139,8 @@ public:
         case Dynarmic::A64::Exception::Yield:
             return;
         default:
-            if (parent.system.DebuggerEnabled()) {
-                parent.jit.load()->SetPC(pc);
+            if (debugger_enabled) {
+                parent.SaveContext(parent.breakpoint_context);
                 parent.jit.load()->HaltExecution(ARM_Interface::breakpoint);
                 return;
             }
@@ -160,10 +181,27 @@ public:
         return parent.system.CoreTiming().GetClockTicks();
     }
 
+    bool CheckMemoryAccess(VAddr addr, u64 size, Kernel::DebugWatchpointType type) {
+        if (!debugger_enabled) {
+            return true;
+        }
+
+        const auto match{parent.MatchingWatchpoint(addr, size, type)};
+        if (match) {
+            parent.SaveContext(parent.breakpoint_context);
+            parent.jit.load()->HaltExecution(ARM_Interface::watchpoint);
+            parent.halted_watchpoint = match;
+            return false;
+        }
+
+        return true;
+    }
+
     ARM_Dynarmic_64& parent;
     Core::Memory::Memory& memory;
     u64 tpidrro_el0 = 0;
     u64 tpidr_el0 = 0;
+    bool debugger_enabled{};
     static constexpr u64 minimum_run_cycles = 1000U;
 };
 
@@ -214,6 +252,11 @@ std::shared_ptr<Dynarmic::A64::Jit> ARM_Dynarmic_64::MakeJit(Common::PageTable*
     config.code_cache_size = 512_MiB;
     config.far_code_offset = 400_MiB;
 
+    // Allow memory fault handling to work
+    if (system.DebuggerEnabled()) {
+        config.check_halt_on_memory_access = true;
+    }
+
     // null_jit
     if (!page_table) {
         // Don't waste too much memory on null_jit
@@ -308,6 +351,14 @@ u32 ARM_Dynarmic_64::GetSvcNumber() const {
     return svc_swi;
 }
 
+const Kernel::DebugWatchpoint* ARM_Dynarmic_64::HaltedWatchpoint() const {
+    return halted_watchpoint;
+}
+
+void ARM_Dynarmic_64::RewindBreakpointInstruction() {
+    LoadContext(breakpoint_context);
+}
+
 ARM_Dynarmic_64::ARM_Dynarmic_64(System& system_, CPUInterrupts& interrupt_handlers_,
                                  bool uses_wall_clock_, ExclusiveMonitor& exclusive_monitor_,
                                  std::size_t core_index_)

src/core/arm/dynarmic/arm_dynarmic_64.h

@@ -66,6 +66,8 @@ protected:
     Dynarmic::HaltReason RunJit() override;
     Dynarmic::HaltReason StepJit() override;
     u32 GetSvcNumber() const override;
+    const Kernel::DebugWatchpoint* HaltedWatchpoint() const override;
+    void RewindBreakpointInstruction() override;
 
 private:
     std::shared_ptr<Dynarmic::A64::Jit> MakeJit(Common::PageTable* page_table,
@@ -91,6 +93,10 @@ private:
 
     // SVC callback
     u32 svc_swi{};
+
+    // Breakpoint info
+    const Kernel::DebugWatchpoint* halted_watchpoint;
+    ThreadContext64 breakpoint_context;
 };
 
 } // namespace Core

src/core/core.cpp

@@ -138,7 +138,6 @@ struct System::Impl {
 
         kernel.Suspend(false);
         core_timing.SyncPause(false);
-        cpu_manager.Pause(false);
         is_paused = false;
 
         return status;
@@ -150,25 +149,22 @@ struct System::Impl {
 
         core_timing.SyncPause(true);
         kernel.Suspend(true);
-        cpu_manager.Pause(true);
         is_paused = true;
 
         return status;
     }
 
-    std::unique_lock<std::mutex> StallCPU() {
+    std::unique_lock<std::mutex> StallProcesses() {
         std::unique_lock<std::mutex> lk(suspend_guard);
         kernel.Suspend(true);
         core_timing.SyncPause(true);
-        cpu_manager.Pause(true);
         return lk;
     }
 
-    void UnstallCPU() {
+    void UnstallProcesses() {
         if (!is_paused) {
             core_timing.SyncPause(false);
             kernel.Suspend(false);
-            cpu_manager.Pause(false);
         }
     }
 
@@ -334,6 +330,8 @@ struct System::Impl {
             gpu_core->NotifyShutdown();
         }
 
+        kernel.ShutdownCores();
+        cpu_manager.Shutdown();
         debugger.reset();
         services.reset();
         service_manager.reset();
@@ -499,12 +497,12 @@ void System::DetachDebugger() {
     }
 }
 
-std::unique_lock<std::mutex> System::StallCPU() {
-    return impl->StallCPU();
+std::unique_lock<std::mutex> System::StallProcesses() {
+    return impl->StallProcesses();
 }
 
-void System::UnstallCPU() {
-    impl->UnstallCPU();
+void System::UnstallProcesses() {
+    impl->UnstallProcesses();
 }
 
 void System::InitializeDebugger() {

src/core/core.h

@@ -163,8 +163,8 @@ public:
     /// Forcibly detach the debugger if it is running.
     void DetachDebugger();
 
-    std::unique_lock<std::mutex> StallCPU();
-    void UnstallCPU();
+    std::unique_lock<std::mutex> StallProcesses();
+    void UnstallProcesses();
 
     /**
      * Initialize the debugger.

src/core/core_timing.cpp

@@ -6,7 +6,9 @@
 #include <string>
 #include <tuple>
 
+#include "common/logging/log.h"
 #include "common/microprofile.h"
+#include "common/thread.h"
 #include "core/core_timing.h"
 #include "core/core_timing_util.h"
 #include "core/hardware_properties.h"
@@ -41,11 +43,11 @@ CoreTiming::CoreTiming()
 
 CoreTiming::~CoreTiming() = default;
 
-void CoreTiming::ThreadEntry(CoreTiming& instance) {
-    constexpr char name[] = "yuzu:HostTiming";
-    MicroProfileOnThreadCreate(name);
-    Common::SetCurrentThreadName(name);
-    Common::SetCurrentThreadPriority(Common::ThreadPriority::VeryHigh);
+void CoreTiming::ThreadEntry(CoreTiming& instance, size_t id) {
+    const std::string name = "yuzu:HostTiming_" + std::to_string(id);
+    MicroProfileOnThreadCreate(name.c_str());
+    Common::SetCurrentThreadName(name.c_str());
+    Common::SetCurrentThreadPriority(Common::ThreadPriority::Critical);
     instance.on_thread_init();
     instance.ThreadLoop();
     MicroProfileOnThreadExit();
@@ -59,68 +61,97 @@ void CoreTiming::Initialize(std::function<void()>&& on_thread_init_) {
     const auto empty_timed_callback = [](std::uintptr_t, std::chrono::nanoseconds) {};
     ev_lost = CreateEvent("_lost_event", empty_timed_callback);
     if (is_multicore) {
-        timer_thread = std::make_unique<std::thread>(ThreadEntry, std::ref(*this));
+        const auto hardware_concurrency = std::thread::hardware_concurrency();
+        size_t id = 0;
+        worker_threads.emplace_back(ThreadEntry, std::ref(*this), id++);
+        if (hardware_concurrency > 8) {
+            worker_threads.emplace_back(ThreadEntry, std::ref(*this), id++);
+        }
     }
 }
 
 void CoreTiming::Shutdown() {
-    paused = true;
+    is_paused = true;
     shutting_down = true;
-    pause_event.Set();
-    event.Set();
-    if (timer_thread) {
-        timer_thread->join();
+    std::atomic_thread_fence(std::memory_order_release);
+
+    event_cv.notify_all();
+    wait_pause_cv.notify_all();
+    for (auto& thread : worker_threads) {
+        thread.join();
     }
+    worker_threads.clear();
     ClearPendingEvents();
-    timer_thread.reset();
     has_started = false;
 }
 
-void CoreTiming::Pause(bool is_paused) {
-    paused = is_paused;
-    pause_event.Set();
-}
-
-void CoreTiming::SyncPause(bool is_paused) {
-    if (is_paused == paused && paused_set == paused) {
+void CoreTiming::Pause(bool is_paused_) {
+    std::unique_lock main_lock(event_mutex);
+    if (is_paused_ == paused_state.load(std::memory_order_relaxed)) {
         return;
     }
-    Pause(is_paused);
-    if (timer_thread) {
-        if (!is_paused) {
-            pause_event.Set();
+    if (is_multicore) {
+        is_paused = is_paused_;
+        event_cv.notify_all();
+        if (!is_paused_) {
+            wait_pause_cv.notify_all();
+        }
+    }
+    paused_state.store(is_paused_, std::memory_order_relaxed);
+}
+
+void CoreTiming::SyncPause(bool is_paused_) {
+    std::unique_lock main_lock(event_mutex);
+    if (is_paused_ == paused_state.load(std::memory_order_relaxed)) {
+        return;
+    }
+
+    if (is_multicore) {
+        is_paused = is_paused_;
+        event_cv.notify_all();
+        if (!is_paused_) {
+            wait_pause_cv.notify_all();
+        }
+    }
+    paused_state.store(is_paused_, std::memory_order_relaxed);
+    if (is_multicore) {
+        if (is_paused_) {
+            wait_signal_cv.wait(main_lock, [this] { return pause_count == worker_threads.size(); });
+        } else {
+            wait_signal_cv.wait(main_lock, [this] { return pause_count == 0; });
         }
-        event.Set();
-        while (paused_set != is_paused)
-            ;
     }
 }
 
 bool CoreTiming::IsRunning() const {
-    return !paused_set;
+    return !paused_state.load(std::memory_order_acquire);
 }
 
 bool CoreTiming::HasPendingEvents() const {
-    return !(wait_set && event_queue.empty());
+    std::unique_lock main_lock(event_mutex);
+    return !event_queue.empty() || pending_events.load(std::memory_order_relaxed) != 0;
 }
 
 void CoreTiming::ScheduleEvent(std::chrono::nanoseconds ns_into_future,
                                const std::shared_ptr<EventType>& event_type,
                                std::uintptr_t user_data) {
-    {
-        std::scoped_lock scope{basic_lock};
-        const u64 timeout = static_cast<u64>((GetGlobalTimeNs() + ns_into_future).count());
 
-        event_queue.emplace_back(Event{timeout, event_fifo_id++, user_data, event_type});
+    std::unique_lock main_lock(event_mutex);
+    const u64 timeout = static_cast<u64>((GetGlobalTimeNs() + ns_into_future).count());
 
-        std::push_heap(event_queue.begin(), event_queue.end(), std::greater<>());
+    event_queue.emplace_back(Event{timeout, event_fifo_id++, user_data, event_type});
+    pending_events.fetch_add(1, std::memory_order_relaxed);
+
+    std::push_heap(event_queue.begin(), event_queue.end(), std::greater<>());
+
+    if (is_multicore) {
+        event_cv.notify_one();
     }
-    event.Set();
 }
 
 void CoreTiming::UnscheduleEvent(const std::shared_ptr<EventType>& event_type,
                                  std::uintptr_t user_data) {
-    std::scoped_lock scope{basic_lock};
+    std::unique_lock main_lock(event_mutex);
     const auto itr = std::remove_if(event_queue.begin(), event_queue.end(), [&](const Event& e) {
         return e.type.lock().get() == event_type.get() && e.user_data == user_data;
     });
@@ -129,6 +160,7 @@ void CoreTiming::UnscheduleEvent(const std::shared_ptr<EventType>& event_type,
     if (itr != event_queue.end()) {
         event_queue.erase(itr, event_queue.end());
         std::make_heap(event_queue.begin(), event_queue.end(), std::greater<>());
+        pending_events.fetch_sub(1, std::memory_order_relaxed);
     }
 }
 
@@ -168,11 +200,12 @@ u64 CoreTiming::GetClockTicks() const {
 }
 
 void CoreTiming::ClearPendingEvents() {
+    std::unique_lock main_lock(event_mutex);
     event_queue.clear();
 }
 
 void CoreTiming::RemoveEvent(const std::shared_ptr<EventType>& event_type) {
-    std::scoped_lock lock{basic_lock};
+    std::unique_lock main_lock(event_mutex);
 
     const auto itr = std::remove_if(event_queue.begin(), event_queue.end(), [&](const Event& e) {
         return e.type.lock().get() == event_type.get();
@@ -186,21 +219,28 @@ void CoreTiming::RemoveEvent(const std::shared_ptr<EventType>& event_type) {
 }
 
 std::optional<s64> CoreTiming::Advance() {
-    std::scoped_lock lock{advance_lock, basic_lock};
     global_timer = GetGlobalTimeNs().count();
 
+    std::unique_lock main_lock(event_mutex);
     while (!event_queue.empty() && event_queue.front().time <= global_timer) {
         Event evt = std::move(event_queue.front());
         std::pop_heap(event_queue.begin(), event_queue.end(), std::greater<>());
         event_queue.pop_back();
-        basic_lock.unlock();
 
         if (const auto event_type{evt.type.lock()}) {
-            event_type->callback(
-                evt.user_data, std::chrono::nanoseconds{static_cast<s64>(global_timer - evt.time)});
+            sequence_mutex.lock();
+            event_mutex.unlock();
+
+            event_type->guard.lock();
+            sequence_mutex.unlock();
+            const s64 delay = static_cast<s64>(GetGlobalTimeNs().count() - evt.time);
+            event_type->callback(evt.user_data, std::chrono::nanoseconds{delay});
+            event_type->guard.unlock();
+
+            event_mutex.lock();
+            pending_events.fetch_sub(1, std::memory_order_relaxed);
         }
 
-        basic_lock.lock();
         global_timer = GetGlobalTimeNs().count();
     }
 
@@ -213,26 +253,34 @@ std::optional<s64> CoreTiming::Advance() {
 }
 
 void CoreTiming::ThreadLoop() {
+    const auto predicate = [this] { return !event_queue.empty() || is_paused; };
     has_started = true;
     while (!shutting_down) {
-        while (!paused) {
-            paused_set = false;
+        while (!is_paused && !shutting_down) {
             const auto next_time = Advance();
             if (next_time) {
                 if (*next_time > 0) {
                     std::chrono::nanoseconds next_time_ns = std::chrono::nanoseconds(*next_time);
-                    event.WaitFor(next_time_ns);
+                    std::unique_lock main_lock(event_mutex);
+                    event_cv.wait_for(main_lock, next_time_ns, predicate);
                 }
             } else {
-                wait_set = true;
-                event.Wait();
+                std::unique_lock main_lock(event_mutex);
+                event_cv.wait(main_lock, predicate);
             }
-            wait_set = false;
         }
-        paused_set = true;
-        clock->Pause(true);
-        pause_event.Wait();
-        clock->Pause(false);
+        std::unique_lock main_lock(event_mutex);
+        pause_count++;
+        if (pause_count == worker_threads.size()) {
+            clock->Pause(true);
+            wait_signal_cv.notify_all();
+        }
+        wait_pause_cv.wait(main_lock, [this] { return !is_paused || shutting_down; });
+        pause_count--;
+        if (pause_count == 0) {
+            clock->Pause(false);
+            wait_signal_cv.notify_all();
+        }
     }
 }
 

src/core/core_timing.h

@@ -5,6 +5,7 @@
 
 #include <atomic>
 #include <chrono>
+#include <condition_variable>
 #include <functional>
 #include <memory>
 #include <mutex>
@@ -14,7 +15,6 @@
 #include <vector>
 
 #include "common/common_types.h"
-#include "common/thread.h"
 #include "common/wall_clock.h"
 
 namespace Core::Timing {
@@ -32,6 +32,7 @@ struct EventType {
     TimedCallback callback;
     /// A pointer to the name of the event.
     const std::string name;
+    mutable std::mutex guard;
 };
 
 /**
@@ -131,7 +132,7 @@ private:
     /// Clear all pending events. This should ONLY be done on exit.
     void ClearPendingEvents();
 
-    static void ThreadEntry(CoreTiming& instance);
+    static void ThreadEntry(CoreTiming& instance, size_t id);
     void ThreadLoop();
 
     std::unique_ptr<Common::WallClock> clock;
@@ -144,21 +145,25 @@ private:
     // accomodated by the standard adaptor class.
     std::vector<Event> event_queue;
     u64 event_fifo_id = 0;
+    std::atomic<size_t> pending_events{};
 
     std::shared_ptr<EventType> ev_lost;
-    Common::Event event{};
-    Common::Event pause_event{};
-    std::mutex basic_lock;
-    std::mutex advance_lock;
-    std::unique_ptr<std::thread> timer_thread;
-    std::atomic<bool> paused{};
-    std::atomic<bool> paused_set{};
-    std::atomic<bool> wait_set{};
-    std::atomic<bool> shutting_down{};
     std::atomic<bool> has_started{};
     std::function<void()> on_thread_init{};
 
+    std::vector<std::thread> worker_threads;
+
+    std::condition_variable event_cv;
+    std::condition_variable wait_pause_cv;
+    std::condition_variable wait_signal_cv;
+    mutable std::mutex event_mutex;
+    mutable std::mutex sequence_mutex;
+
+    std::atomic<bool> paused_state{};
+    bool is_paused{};
+    bool shutting_down{};
     bool is_multicore{};
+    size_t pause_count{};
 
     /// Cycle timing
     u64 ticks{};

src/core/cpu_manager.cpp

@@ -16,31 +16,29 @@
 
 namespace Core {
 
-CpuManager::CpuManager(System& system_)
-    : pause_barrier{std::make_unique<Common::Barrier>(1)}, system{system_} {}
+CpuManager::CpuManager(System& system_) : system{system_} {}
 CpuManager::~CpuManager() = default;
 
 void CpuManager::ThreadStart(std::stop_token stop_token, CpuManager& cpu_manager,
                              std::size_t core) {
-    cpu_manager.RunThread(stop_token, core);
+    cpu_manager.RunThread(core);
 }
 
 void CpuManager::Initialize() {
-    running_mode = true;
-    if (is_multicore) {
-        for (std::size_t core = 0; core < Core::Hardware::NUM_CPU_CORES; core++) {
-            core_data[core].host_thread = std::jthread(ThreadStart, std::ref(*this), core);
-        }
-        pause_barrier = std::make_unique<Common::Barrier>(Core::Hardware::NUM_CPU_CORES + 1);
-    } else {
-        core_data[0].host_thread = std::jthread(ThreadStart, std::ref(*this), 0);
-        pause_barrier = std::make_unique<Common::Barrier>(2);
+    num_cores = is_multicore ? Core::Hardware::NUM_CPU_CORES : 1;
+    gpu_barrier = std::make_unique<Common::Barrier>(num_cores + 1);
+
+    for (std::size_t core = 0; core < num_cores; core++) {
+        core_data[core].host_thread = std::jthread(ThreadStart, std::ref(*this), core);
     }
 }
 
 void CpuManager::Shutdown() {
-    running_mode = false;
-    Pause(false);
+    for (std::size_t core = 0; core < num_cores; core++) {
+        if (core_data[core].host_thread.joinable()) {
+            core_data[core].host_thread.join();
+        }
+    }
 }
 
 std::function<void(void*)> CpuManager::GetGuestThreadStartFunc() {
@@ -51,8 +49,8 @@ std::function<void(void*)> CpuManager::GetIdleThreadStartFunc() {
     return IdleThreadFunction;
 }
 
-std::function<void(void*)> CpuManager::GetSuspendThreadStartFunc() {
-    return SuspendThreadFunction;
+std::function<void(void*)> CpuManager::GetShutdownThreadStartFunc() {
+    return ShutdownThreadFunction;
 }
 
 void CpuManager::GuestThreadFunction(void* cpu_manager_) {
@@ -82,17 +80,12 @@ void CpuManager::IdleThreadFunction(void* cpu_manager_) {
     }
 }
 
-void CpuManager::SuspendThreadFunction(void* cpu_manager_) {
-    CpuManager* cpu_manager = static_cast<CpuManager*>(cpu_manager_);
-    if (cpu_manager->is_multicore) {
-        cpu_manager->MultiCoreRunSuspendThread();
-    } else {
-        cpu_manager->SingleCoreRunSuspendThread();
-    }
+void CpuManager::ShutdownThreadFunction(void* cpu_manager) {
+    static_cast<CpuManager*>(cpu_manager)->ShutdownThread();
 }
 
-void* CpuManager::GetStartFuncParamater() {
-    return static_cast<void*>(this);
+void* CpuManager::GetStartFuncParameter() {
+    return this;
 }
 
 ///////////////////////////////////////////////////////////////////////////////
@@ -102,7 +95,7 @@ void* CpuManager::GetStartFuncParamater() {
 void CpuManager::MultiCoreRunGuestThread() {
     auto& kernel = system.Kernel();
     kernel.CurrentScheduler()->OnThreadStart();
-    auto* thread = kernel.CurrentScheduler()->GetCurrentThread();
+    auto* thread = kernel.CurrentScheduler()->GetSchedulerCurrentThread();
     auto& host_context = thread->GetHostContext();
     host_context->SetRewindPoint(GuestRewindFunction, this);
     MultiCoreRunGuestLoop();
@@ -113,12 +106,10 @@ void CpuManager::MultiCoreRunGuestLoop() {
 
     while (true) {
         auto* physical_core = &kernel.CurrentPhysicalCore();
-        system.EnterDynarmicProfile();
         while (!physical_core->IsInterrupted()) {
             physical_core->Run();
             physical_core = &kernel.CurrentPhysicalCore();
         }
-        system.ExitDynarmicProfile();
         {
             Kernel::KScopedDisableDispatch dd(kernel);
             physical_core->ArmInterface().ClearExclusiveState();
@@ -134,21 +125,6 @@ void CpuManager::MultiCoreRunIdleThread() {
     }
 }
 
-void CpuManager::MultiCoreRunSuspendThread() {
-    auto& kernel = system.Kernel();
-    kernel.CurrentScheduler()->OnThreadStart();
-    while (true) {
-        auto core = kernel.CurrentPhysicalCoreIndex();
-        auto& scheduler = *kernel.CurrentScheduler();
-        Kernel::KThread* current_thread = scheduler.GetCurrentThread();
-        current_thread->DisableDispatch();
-
-        Common::Fiber::YieldTo(current_thread->GetHostContext(), *core_data[core].host_context);
-        ASSERT(core == kernel.CurrentPhysicalCoreIndex());
-        scheduler.RescheduleCurrentCore();
-    }
-}
-
 ///////////////////////////////////////////////////////////////////////////////
 ///                             SingleCore                                   ///
 ///////////////////////////////////////////////////////////////////////////////
@@ -156,7 +132,7 @@ void CpuManager::MultiCoreRunSuspendThread() {
 void CpuManager::SingleCoreRunGuestThread() {
     auto& kernel = system.Kernel();
     kernel.CurrentScheduler()->OnThreadStart();
-    auto* thread = kernel.CurrentScheduler()->GetCurrentThread();
+    auto* thread = kernel.CurrentScheduler()->GetSchedulerCurrentThread();
     auto& host_context = thread->GetHostContext();
     host_context->SetRewindPoint(GuestRewindFunction, this);
     SingleCoreRunGuestLoop();
@@ -166,12 +142,10 @@ void CpuManager::SingleCoreRunGuestLoop() {
     auto& kernel = system.Kernel();
     while (true) {
         auto* physical_core = &kernel.CurrentPhysicalCore();
-        system.EnterDynarmicProfile();
         if (!physical_core->IsInterrupted()) {
             physical_core->Run();
             physical_core = &kernel.CurrentPhysicalCore();
         }
-        system.ExitDynarmicProfile();
         kernel.SetIsPhantomModeForSingleCore(true);
         system.CoreTiming().Advance();
         kernel.SetIsPhantomModeForSingleCore(false);
@@ -194,26 +168,11 @@ void CpuManager::SingleCoreRunIdleThread() {
     }
 }
 
-void CpuManager::SingleCoreRunSuspendThread() {
-    auto& kernel = system.Kernel();
-    kernel.CurrentScheduler()->OnThreadStart();
-    while (true) {
-        auto core = kernel.GetCurrentHostThreadID();
-        auto& scheduler = *kernel.CurrentScheduler();
-        Kernel::KThread* current_thread = scheduler.GetCurrentThread();
-        current_thread->DisableDispatch();
-
-        Common::Fiber::YieldTo(current_thread->GetHostContext(), *core_data[0].host_context);
-        ASSERT(core == kernel.GetCurrentHostThreadID());
-        scheduler.RescheduleCurrentCore();
-    }
-}
-
 void CpuManager::PreemptSingleCore(bool from_running_enviroment) {
     {
         auto& kernel = system.Kernel();
         auto& scheduler = kernel.Scheduler(current_core);
-        Kernel::KThread* current_thread = scheduler.GetCurrentThread();
+        Kernel::KThread* current_thread = scheduler.GetSchedulerCurrentThread();
         if (idle_count >= 4 || from_running_enviroment) {
             if (!from_running_enviroment) {
                 system.CoreTiming().Idle();
@@ -225,7 +184,7 @@ void CpuManager::PreemptSingleCore(bool from_running_enviroment) {
         }
         current_core.store((current_core + 1) % Core::Hardware::NUM_CPU_CORES);
         system.CoreTiming().ResetTicks();
-        scheduler.Unload(scheduler.GetCurrentThread());
+        scheduler.Unload(scheduler.GetSchedulerCurrentThread());
 
         auto& next_scheduler = kernel.Scheduler(current_core);
         Common::Fiber::YieldTo(current_thread->GetHostContext(), *next_scheduler.ControlContext());
@@ -234,31 +193,21 @@ void CpuManager::PreemptSingleCore(bool from_running_enviroment) {
     // May have changed scheduler
     {
         auto& scheduler = system.Kernel().Scheduler(current_core);
-        scheduler.Reload(scheduler.GetCurrentThread());
-        if (!scheduler.IsIdle()) {
-            idle_count = 0;
-        }
+        scheduler.Reload(scheduler.GetSchedulerCurrentThread());
+        idle_count = 0;
     }
 }
 
-void CpuManager::Pause(bool paused) {
-    std::scoped_lock lk{pause_lock};
+void CpuManager::ShutdownThread() {
+    auto& kernel = system.Kernel();
+    auto core = is_multicore ? kernel.CurrentPhysicalCoreIndex() : 0;
+    auto* current_thread = kernel.GetCurrentEmuThread();
 
-    if (pause_state == paused) {
-        return;
-    }
-
-    // Set the new state
-    pause_state.store(paused);
-
-    // Wake up any waiting threads
-    pause_state.notify_all();
-
-    // Wait for all threads to successfully change state before returning
-    pause_barrier->Sync();
+    Common::Fiber::YieldTo(current_thread->GetHostContext(), *core_data[core].host_context);
+    UNREACHABLE();
 }
 
-void CpuManager::RunThread(std::stop_token stop_token, std::size_t core) {
+void CpuManager::RunThread(std::size_t core) {
     /// Initialization
     system.RegisterCoreThread(core);
     std::string name;
@@ -272,8 +221,6 @@ void CpuManager::RunThread(std::stop_token stop_token, std::size_t core) {
     Common::SetCurrentThreadPriority(Common::ThreadPriority::High);
     auto& data = core_data[core];
     data.host_context = Common::Fiber::ThreadToFiber();
-    const bool sc_sync = !is_async_gpu && !is_multicore;
-    bool sc_sync_first_use = sc_sync;
 
     // Cleanup
     SCOPE_EXIT({
@@ -281,32 +228,16 @@ void CpuManager::RunThread(std::stop_token stop_token, std::size_t core) {
         MicroProfileOnThreadExit();
     });
 
-    /// Running
-    while (running_mode) {
-        if (pause_state.load(std::memory_order_relaxed)) {
-            // Wait for caller to acknowledge pausing
-            pause_barrier->Sync();
+    // Running
+    gpu_barrier->Sync();
 
-            // Wait until unpaused
-            pause_state.wait(true, std::memory_order_relaxed);
-
-            // Wait for caller to acknowledge unpausing
-            pause_barrier->Sync();
-        }
-
-        if (sc_sync_first_use) {
-            system.GPU().ObtainContext();
-            sc_sync_first_use = false;
-        }
-
-        // Emulation was stopped
-        if (stop_token.stop_requested()) {
-            return;
-        }
-
-        auto current_thread = system.Kernel().CurrentScheduler()->GetCurrentThread();
-        Common::Fiber::YieldTo(data.host_context, *current_thread->GetHostContext());
+    if (!is_async_gpu && !is_multicore) {
+        system.GPU().ObtainContext();
     }
+
+    auto* current_thread = system.Kernel().CurrentScheduler()->GetIdleThread();
+    Kernel::SetCurrentThread(system.Kernel(), current_thread);
+    Common::Fiber::YieldTo(data.host_context, *current_thread->GetHostContext());
 }
 
 } // namespace Core

src/core/cpu_manager.h

@@ -43,15 +43,17 @@ public:
         is_async_gpu = is_async;
     }
 
+    void OnGpuReady() {
+        gpu_barrier->Sync();
+    }
+
     void Initialize();
     void Shutdown();
 
-    void Pause(bool paused);
-
     static std::function<void(void*)> GetGuestThreadStartFunc();
     static std::function<void(void*)> GetIdleThreadStartFunc();
-    static std::function<void(void*)> GetSuspendThreadStartFunc();
-    void* GetStartFuncParamater();
+    static std::function<void(void*)> GetShutdownThreadStartFunc();
+    void* GetStartFuncParameter();
 
     void PreemptSingleCore(bool from_running_enviroment = true);
 
@@ -63,38 +65,34 @@ private:
     static void GuestThreadFunction(void* cpu_manager);
     static void GuestRewindFunction(void* cpu_manager);
     static void IdleThreadFunction(void* cpu_manager);
-    static void SuspendThreadFunction(void* cpu_manager);
+    static void ShutdownThreadFunction(void* cpu_manager);
 
     void MultiCoreRunGuestThread();
     void MultiCoreRunGuestLoop();
     void MultiCoreRunIdleThread();
-    void MultiCoreRunSuspendThread();
 
     void SingleCoreRunGuestThread();
     void SingleCoreRunGuestLoop();
     void SingleCoreRunIdleThread();
-    void SingleCoreRunSuspendThread();
 
     static void ThreadStart(std::stop_token stop_token, CpuManager& cpu_manager, std::size_t core);
 
-    void RunThread(std::stop_token stop_token, std::size_t core);
+    void ShutdownThread();
+    void RunThread(std::size_t core);
 
     struct CoreData {
         std::shared_ptr<Common::Fiber> host_context;
         std::jthread host_thread;
     };
 
-    std::atomic<bool> running_mode{};
-    std::atomic<bool> pause_state{};
-    std::unique_ptr<Common::Barrier> pause_barrier{};
-    std::mutex pause_lock{};
-
+    std::unique_ptr<Common::Barrier> gpu_barrier{};
     std::array<CoreData, Core::Hardware::NUM_CPU_CORES> core_data{};
 
     bool is_async_gpu{};
     bool is_multicore{};
     std::atomic<std::size_t> current_core{};
     std::size_t idle_count{};
+    std::size_t num_cores{};
     static constexpr std::size_t max_cycle_runs = 5;
 
     System& system;

src/core/debugger/debugger.cpp

@@ -44,12 +44,14 @@ static std::span<const u8> ReceiveInto(Readable& r, Buffer& buffer) {
 
 enum class SignalType {
     Stopped,
+    Watchpoint,
     ShuttingDown,
 };
 
 struct SignalInfo {
     SignalType type;
     Kernel::KThread* thread;
+    const Kernel::DebugWatchpoint* watchpoint;
 };
 
 namespace Core {
@@ -67,18 +69,20 @@ public:
     }
 
     bool SignalDebugger(SignalInfo signal_info) {
-        std::scoped_lock lk{connection_lock};
+        {
+            std::scoped_lock lk{connection_lock};
 
-        if (stopped) {
-            // Do not notify the debugger about another event.
-            // It should be ignored.
-            return false;
+            if (stopped) {
+                // Do not notify the debugger about another event.
+                // It should be ignored.
+                return false;
+            }
+
+            // Set up the state.
+            stopped = true;
+            info = signal_info;
         }
 
-        // Set up the state.
-        stopped = true;
-        info = signal_info;
-
         // Write a single byte into the pipe to wake up the debug interface.
         boost::asio::write(signal_pipe, boost::asio::buffer(&stopped, sizeof(stopped)));
         return true;
@@ -141,9 +145,6 @@ private:
         AsyncReceiveInto(signal_pipe, pipe_data, [&](auto d) { PipeData(d); });
         AsyncReceiveInto(client_socket, client_data, [&](auto d) { ClientData(d); });
 
-        // Stop the emulated CPU.
-        AllCoreStop();
-
         // Set the active thread.
         UpdateActiveThread();
 
@@ -158,20 +159,25 @@ private:
     void PipeData(std::span<const u8> data) {
         switch (info.type) {
         case SignalType::Stopped:
+        case SignalType::Watchpoint:
             // Stop emulation.
-            AllCoreStop();
+            PauseEmulation();
 
             // Notify the client.
             active_thread = info.thread;
             UpdateActiveThread();
-            frontend->Stopped(active_thread);
+
+            if (info.type == SignalType::Watchpoint) {
+                frontend->Watchpoint(active_thread, *info.watchpoint);
+            } else {
+                frontend->Stopped(active_thread);
+            }
 
             break;
         case SignalType::ShuttingDown:
             frontend->ShuttingDown();
 
             // Wait for emulation to shut down gracefully now.
-            suspend.reset();
             signal_pipe.close();
             client_socket.shutdown(boost::asio::socket_base::shutdown_both);
             LOG_INFO(Debug_GDBStub, "Shut down server");
@@ -189,32 +195,29 @@ private:
                     std::scoped_lock lk{connection_lock};
                     stopped = true;
                 }
-                AllCoreStop();
+                PauseEmulation();
                 UpdateActiveThread();
                 frontend->Stopped(active_thread);
                 break;
             }
             case DebuggerAction::Continue:
-                active_thread->SetStepState(Kernel::StepState::NotStepping);
-                ResumeInactiveThreads();
-                AllCoreResume();
+                MarkResumed([&] { ResumeEmulation(); });
                 break;
             case DebuggerAction::StepThreadUnlocked:
-                active_thread->SetStepState(Kernel::StepState::StepPending);
-                ResumeInactiveThreads();
-                AllCoreResume();
+                MarkResumed([&] {
+                    active_thread->SetStepState(Kernel::StepState::StepPending);
+                    active_thread->Resume(Kernel::SuspendType::Debug);
+                    ResumeEmulation(active_thread);
+                });
                 break;
-            case DebuggerAction::StepThreadLocked:
-                active_thread->SetStepState(Kernel::StepState::StepPending);
-                SuspendInactiveThreads();
-                AllCoreResume();
+            case DebuggerAction::StepThreadLocked: {
+                MarkResumed([&] {
+                    active_thread->SetStepState(Kernel::StepState::StepPending);
+                    active_thread->Resume(Kernel::SuspendType::Debug);
+                });
                 break;
+            }
             case DebuggerAction::ShutdownEmulation: {
-                // Suspend all threads and release any locks held
-                active_thread->RequestSuspend(Kernel::SuspendType::Debug);
-                SuspendInactiveThreads();
-                AllCoreResume();
-
                 // Spawn another thread that will exit after shutdown,
                 // to avoid a deadlock
                 Core::System* system_ref{&system};
@@ -226,33 +229,33 @@ private:
         }
     }
 
-    void AllCoreStop() {
-        if (!suspend) {
-            suspend = system.StallCPU();
+    void PauseEmulation() {
+        // Put all threads to sleep on next scheduler round.
+        for (auto* thread : ThreadList()) {
+            thread->RequestSuspend(Kernel::SuspendType::Debug);
+        }
+
+        // Signal an interrupt so that scheduler will fire.
+        system.Kernel().InterruptAllPhysicalCores();
+    }
+
+    void ResumeEmulation(Kernel::KThread* except = nullptr) {
+        // Wake up all threads.
+        for (auto* thread : ThreadList()) {
+            if (thread == except) {
+                continue;
+            }
+
+            thread->SetStepState(Kernel::StepState::NotStepping);
+            thread->Resume(Kernel::SuspendType::Debug);
         }
     }
 
-    void AllCoreResume() {
+    template <typename Callback>
+    void MarkResumed(Callback&& cb) {
+        std::scoped_lock lk{connection_lock};
         stopped = false;
-        system.UnstallCPU();
-        suspend.reset();
-    }
-
-    void SuspendInactiveThreads() {
-        for (auto* thread : ThreadList()) {
-            if (thread != active_thread) {
-                thread->RequestSuspend(Kernel::SuspendType::Debug);
-            }
-        }
-    }
-
-    void ResumeInactiveThreads() {
-        for (auto* thread : ThreadList()) {
-            if (thread != active_thread) {
-                thread->Resume(Kernel::SuspendType::Debug);
-                thread->SetStepState(Kernel::StepState::NotStepping);
-            }
-        }
+        cb();
     }
 
     void UpdateActiveThread() {
@@ -260,8 +263,6 @@ private:
         if (std::find(threads.begin(), threads.end(), active_thread) == threads.end()) {
             active_thread = threads[0];
         }
-        active_thread->Resume(Kernel::SuspendType::Debug);
-        active_thread->SetStepState(Kernel::StepState::NotStepping);
     }
 
     const std::vector<Kernel::KThread*>& ThreadList() {
@@ -277,7 +278,6 @@ private:
     boost::asio::io_context io_context;
     boost::process::async_pipe signal_pipe;
     boost::asio::ip::tcp::socket client_socket;
-    std::optional<std::unique_lock<std::mutex>> suspend;
 
     SignalInfo info;
     Kernel::KThread* active_thread;
@@ -298,12 +298,17 @@ Debugger::Debugger(Core::System& system, u16 port) {
 Debugger::~Debugger() = default;
 
 bool Debugger::NotifyThreadStopped(Kernel::KThread* thread) {
-    return impl && impl->SignalDebugger(SignalInfo{SignalType::Stopped, thread});
+    return impl && impl->SignalDebugger(SignalInfo{SignalType::Stopped, thread, nullptr});
+}
+
+bool Debugger::NotifyThreadWatchpoint(Kernel::KThread* thread,
+                                      const Kernel::DebugWatchpoint& watch) {
+    return impl && impl->SignalDebugger(SignalInfo{SignalType::Watchpoint, thread, &watch});
 }
 
 void Debugger::NotifyShutdown() {
     if (impl) {
-        impl->SignalDebugger(SignalInfo{SignalType::ShuttingDown, nullptr});
+        impl->SignalDebugger(SignalInfo{SignalType::ShuttingDown, nullptr, nullptr});
     }
 }
 

src/core/debugger/debugger.h

@@ -9,7 +9,8 @@
 
 namespace Kernel {
 class KThread;
-}
+struct DebugWatchpoint;
+} // namespace Kernel
 
 namespace Core {
 class System;
@@ -40,6 +41,11 @@ public:
      */
     void NotifyShutdown();
 
+    /*
+     * Notify the debugger that the given thread has stopped due to hitting a watchpoint.
+     */
+    bool NotifyThreadWatchpoint(Kernel::KThread* thread, const Kernel::DebugWatchpoint& watch);
+
 private:
     std::unique_ptr<DebuggerImpl> impl;
 };

src/core/debugger/debugger_interface.h

@@ -11,7 +11,8 @@
 
 namespace Kernel {
 class KThread;
-}
+struct DebugWatchpoint;
+} // namespace Kernel
 
 namespace Core {
 
@@ -71,6 +72,11 @@ public:
      */
     virtual void ShuttingDown() = 0;
 
+    /*
+     * Called when emulation has stopped on a watchpoint.
+     */
+    virtual void Watchpoint(Kernel::KThread* thread, const Kernel::DebugWatchpoint& watch) = 0;
+
     /**
      * Called when new data is asynchronously received on the client socket.
      * A list of actions to perform is returned.

src/core/debugger/gdbstub.cpp

@@ -112,6 +112,23 @@ void GDBStub::Stopped(Kernel::KThread* thread) {
     SendReply(arch->ThreadStatus(thread, GDB_STUB_SIGTRAP));
 }
 
+void GDBStub::Watchpoint(Kernel::KThread* thread, const Kernel::DebugWatchpoint& watch) {
+    const auto status{arch->ThreadStatus(thread, GDB_STUB_SIGTRAP)};
+
+    switch (watch.type) {
+    case Kernel::DebugWatchpointType::Read:
+        SendReply(fmt::format("{}rwatch:{:x};", status, watch.start_address));
+        break;
+    case Kernel::DebugWatchpointType::Write:
+        SendReply(fmt::format("{}watch:{:x};", status, watch.start_address));
+        break;
+    case Kernel::DebugWatchpointType::ReadOrWrite:
+    default:
+        SendReply(fmt::format("{}awatch:{:x};", status, watch.start_address));
+        break;
+    }
+}
+
 std::vector<DebuggerAction> GDBStub::ClientData(std::span<const u8> data) {
     std::vector<DebuggerAction> actions;
     current_command.insert(current_command.end(), data.begin(), data.end());
@@ -235,6 +252,7 @@ void GDBStub::ExecuteCommand(std::string_view packet, std::vector<DebuggerAction
         const auto sep{std::find(command.begin(), command.end(), '=') - command.begin() + 1};
         const size_t reg{static_cast<size_t>(strtoll(command.data(), nullptr, 16))};
         arch->RegWrite(backend.GetActiveThread(), reg, std::string_view(command).substr(sep));
+        SendReply(GDB_STUB_REPLY_OK);
         break;
     }
     case 'm': {
@@ -278,44 +296,124 @@ void GDBStub::ExecuteCommand(std::string_view packet, std::vector<DebuggerAction
     case 'c':
         actions.push_back(DebuggerAction::Continue);
         break;
-    case 'Z': {
-        const auto addr_sep{std::find(command.begin(), command.end(), ',') - command.begin() + 1};
-        const size_t addr{static_cast<size_t>(strtoll(command.data() + addr_sep, nullptr, 16))};
-
-        if (system.Memory().IsValidVirtualAddress(addr)) {
-            replaced_instructions[addr] = system.Memory().Read32(addr);
-            system.Memory().Write32(addr, arch->BreakpointInstruction());
-            system.InvalidateCpuInstructionCacheRange(addr, sizeof(u32));
-
-            SendReply(GDB_STUB_REPLY_OK);
-        } else {
-            SendReply(GDB_STUB_REPLY_ERR);
-        }
+    case 'Z':
+        HandleBreakpointInsert(command);
         break;
-    }
-    case 'z': {
-        const auto addr_sep{std::find(command.begin(), command.end(), ',') - command.begin() + 1};
-        const size_t addr{static_cast<size_t>(strtoll(command.data() + addr_sep, nullptr, 16))};
-
-        const auto orig_insn{replaced_instructions.find(addr)};
-        if (system.Memory().IsValidVirtualAddress(addr) &&
-            orig_insn != replaced_instructions.end()) {
-            system.Memory().Write32(addr, orig_insn->second);
-            system.InvalidateCpuInstructionCacheRange(addr, sizeof(u32));
-            replaced_instructions.erase(addr);
-
-            SendReply(GDB_STUB_REPLY_OK);
-        } else {
-            SendReply(GDB_STUB_REPLY_ERR);
-        }
+    case 'z':
+        HandleBreakpointRemove(command);
         break;
-    }
     default:
         SendReply(GDB_STUB_REPLY_EMPTY);
         break;
     }
 }
 
+enum class BreakpointType {
+    Software = 0,
+    Hardware = 1,
+    WriteWatch = 2,
+    ReadWatch = 3,
+    AccessWatch = 4,
+};
+
+void GDBStub::HandleBreakpointInsert(std::string_view command) {
+    const auto type{static_cast<BreakpointType>(strtoll(command.data(), nullptr, 16))};
+    const auto addr_sep{std::find(command.begin(), command.end(), ',') - command.begin() + 1};
+    const auto size_sep{std::find(command.begin() + addr_sep, command.end(), ',') -
+                        command.begin() + 1};
+    const size_t addr{static_cast<size_t>(strtoll(command.data() + addr_sep, nullptr, 16))};
+    const size_t size{static_cast<size_t>(strtoll(command.data() + size_sep, nullptr, 16))};
+
+    if (!system.Memory().IsValidVirtualAddressRange(addr, size)) {
+        SendReply(GDB_STUB_REPLY_ERR);
+        return;
+    }
+
+    bool success{};
+
+    switch (type) {
+    case BreakpointType::Software:
+        replaced_instructions[addr] = system.Memory().Read32(addr);
+        system.Memory().Write32(addr, arch->BreakpointInstruction());
+        system.InvalidateCpuInstructionCacheRange(addr, sizeof(u32));
+        success = true;
+        break;
+    case BreakpointType::WriteWatch:
+        success = system.CurrentProcess()->InsertWatchpoint(system, addr, size,
+                                                            Kernel::DebugWatchpointType::Write);
+        break;
+    case BreakpointType::ReadWatch:
+        success = system.CurrentProcess()->InsertWatchpoint(system, addr, size,
+                                                            Kernel::DebugWatchpointType::Read);
+        break;
+    case BreakpointType::AccessWatch:
+        success = system.CurrentProcess()->InsertWatchpoint(
+            system, addr, size, Kernel::DebugWatchpointType::ReadOrWrite);
+        break;
+    case BreakpointType::Hardware:
+    default:
+        SendReply(GDB_STUB_REPLY_EMPTY);
+        return;
+    }
+
+    if (success) {
+        SendReply(GDB_STUB_REPLY_OK);
+    } else {
+        SendReply(GDB_STUB_REPLY_ERR);
+    }
+}
+
+void GDBStub::HandleBreakpointRemove(std::string_view command) {
+    const auto type{static_cast<BreakpointType>(strtoll(command.data(), nullptr, 16))};
+    const auto addr_sep{std::find(command.begin(), command.end(), ',') - command.begin() + 1};
+    const auto size_sep{std::find(command.begin() + addr_sep, command.end(), ',') -
+                        command.begin() + 1};
+    const size_t addr{static_cast<size_t>(strtoll(command.data() + addr_sep, nullptr, 16))};
+    const size_t size{static_cast<size_t>(strtoll(command.data() + size_sep, nullptr, 16))};
+
+    if (!system.Memory().IsValidVirtualAddressRange(addr, size)) {
+        SendReply(GDB_STUB_REPLY_ERR);
+        return;
+    }
+
+    bool success{};
+
+    switch (type) {
+    case BreakpointType::Software: {
+        const auto orig_insn{replaced_instructions.find(addr)};
+        if (orig_insn != replaced_instructions.end()) {
+            system.Memory().Write32(addr, orig_insn->second);
+            system.InvalidateCpuInstructionCacheRange(addr, sizeof(u32));
+            replaced_instructions.erase(addr);
+            success = true;
+        }
+        break;
+    }
+    case BreakpointType::WriteWatch:
+        success = system.CurrentProcess()->RemoveWatchpoint(system, addr, size,
+                                                            Kernel::DebugWatchpointType::Write);
+        break;
+    case BreakpointType::ReadWatch:
+        success = system.CurrentProcess()->RemoveWatchpoint(system, addr, size,
+                                                            Kernel::DebugWatchpointType::Read);
+        break;
+    case BreakpointType::AccessWatch:
+        success = system.CurrentProcess()->RemoveWatchpoint(
+            system, addr, size, Kernel::DebugWatchpointType::ReadOrWrite);
+        break;
+    case BreakpointType::Hardware:
+    default:
+        SendReply(GDB_STUB_REPLY_EMPTY);
+        return;
+    }
+
+    if (success) {
+        SendReply(GDB_STUB_REPLY_OK);
+    } else {
+        SendReply(GDB_STUB_REPLY_ERR);
+    }
+}
+
 // Structure offsets are from Atmosphere
 // See osdbg_thread_local_region.os.horizon.hpp and osdbg_thread_type.os.horizon.hpp
 

src/core/debugger/gdbstub.h

@@ -24,6 +24,7 @@ public:
     void Connected() override;
     void Stopped(Kernel::KThread* thread) override;
     void ShuttingDown() override;
+    void Watchpoint(Kernel::KThread* thread, const Kernel::DebugWatchpoint& watch) override;
     std::vector<DebuggerAction> ClientData(std::span<const u8> data) override;
 
 private:
@@ -31,6 +32,8 @@ private:
     void ExecuteCommand(std::string_view packet, std::vector<DebuggerAction>& actions);
     void HandleVCont(std::string_view command, std::vector<DebuggerAction>& actions);
     void HandleQuery(std::string_view command);
+    void HandleBreakpointInsert(std::string_view command);
+    void HandleBreakpointRemove(std::string_view command);
     std::vector<char>::const_iterator CommandEnd() const;
     std::optional<std::string> DetachCommand();
     Kernel::KThread* GetThreadByID(u64 thread_id);

src/core/file_sys/errors.h

@@ -8,14 +8,14 @@
 
 namespace FileSys {
 
-constexpr ResultCode ERROR_PATH_NOT_FOUND{ErrorModule::FS, 1};
-constexpr ResultCode ERROR_PATH_ALREADY_EXISTS{ErrorModule::FS, 2};
-constexpr ResultCode ERROR_ENTITY_NOT_FOUND{ErrorModule::FS, 1002};
-constexpr ResultCode ERROR_SD_CARD_NOT_FOUND{ErrorModule::FS, 2001};
-constexpr ResultCode ERROR_OUT_OF_BOUNDS{ErrorModule::FS, 3005};
-constexpr ResultCode ERROR_FAILED_MOUNT_ARCHIVE{ErrorModule::FS, 3223};
-constexpr ResultCode ERROR_INVALID_ARGUMENT{ErrorModule::FS, 6001};
-constexpr ResultCode ERROR_INVALID_OFFSET{ErrorModule::FS, 6061};
-constexpr ResultCode ERROR_INVALID_SIZE{ErrorModule::FS, 6062};
+constexpr Result ERROR_PATH_NOT_FOUND{ErrorModule::FS, 1};
+constexpr Result ERROR_PATH_ALREADY_EXISTS{ErrorModule::FS, 2};
+constexpr Result ERROR_ENTITY_NOT_FOUND{ErrorModule::FS, 1002};
+constexpr Result ERROR_SD_CARD_NOT_FOUND{ErrorModule::FS, 2001};
+constexpr Result ERROR_OUT_OF_BOUNDS{ErrorModule::FS, 3005};
+constexpr Result ERROR_FAILED_MOUNT_ARCHIVE{ErrorModule::FS, 3223};
+constexpr Result ERROR_INVALID_ARGUMENT{ErrorModule::FS, 6001};
+constexpr Result ERROR_INVALID_OFFSET{ErrorModule::FS, 6061};
+constexpr Result ERROR_INVALID_SIZE{ErrorModule::FS, 6062};
 
 } // namespace FileSys

src/core/frontend/applets/error.cpp

@@ -8,12 +8,12 @@ namespace Core::Frontend {
 
 ErrorApplet::~ErrorApplet() = default;
 
-void DefaultErrorApplet::ShowError(ResultCode error, std::function<void()> finished) const {
+void DefaultErrorApplet::ShowError(Result error, std::function<void()> finished) const {
     LOG_CRITICAL(Service_Fatal, "Application requested error display: {:04}-{:04} (raw={:08X})",
                  error.module.Value(), error.description.Value(), error.raw);
 }
 
-void DefaultErrorApplet::ShowErrorWithTimestamp(ResultCode error, std::chrono::seconds time,
+void DefaultErrorApplet::ShowErrorWithTimestamp(Result error, std::chrono::seconds time,
                                                 std::function<void()> finished) const {
     LOG_CRITICAL(
         Service_Fatal,
@@ -21,7 +21,7 @@ void DefaultErrorApplet::ShowErrorWithTimestamp(ResultCode error, std::chrono::s
         error.module.Value(), error.description.Value(), error.raw, time.count());
 }
 
-void DefaultErrorApplet::ShowCustomErrorText(ResultCode error, std::string main_text,
+void DefaultErrorApplet::ShowCustomErrorText(Result error, std::string main_text,
                                              std::string detail_text,
                                              std::function<void()> finished) const {
     LOG_CRITICAL(Service_Fatal,

src/core/frontend/applets/error.h

@@ -14,22 +14,22 @@ class ErrorApplet {
 public:
     virtual ~ErrorApplet();
 
-    virtual void ShowError(ResultCode error, std::function<void()> finished) const = 0;
+    virtual void ShowError(Result error, std::function<void()> finished) const = 0;
 
-    virtual void ShowErrorWithTimestamp(ResultCode error, std::chrono::seconds time,
+    virtual void ShowErrorWithTimestamp(Result error, std::chrono::seconds time,
                                         std::function<void()> finished) const = 0;
 
-    virtual void ShowCustomErrorText(ResultCode error, std::string dialog_text,
+    virtual void ShowCustomErrorText(Result error, std::string dialog_text,
                                      std::string fullscreen_text,
                                      std::function<void()> finished) const = 0;
 };
 
 class DefaultErrorApplet final : public ErrorApplet {
 public:
-    void ShowError(ResultCode error, std::function<void()> finished) const override;
-    void ShowErrorWithTimestamp(ResultCode error, std::chrono::seconds time,
+    void ShowError(Result error, std::function<void()> finished) const override;
+    void ShowErrorWithTimestamp(Result error, std::chrono::seconds time,
                                 std::function<void()> finished) const override;
-    void ShowCustomErrorText(ResultCode error, std::string main_text, std::string detail_text,
+    void ShowCustomErrorText(Result error, std::string main_text, std::string detail_text,
                              std::function<void()> finished) const override;
 };
 

src/core/hardware_properties.h

@@ -25,6 +25,9 @@ constexpr std::array<s32, Common::BitSize<u64>()> VirtualToPhysicalCoreMap{
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3,
 };
 
+// Cortex-A57 supports 4 memory watchpoints
+constexpr u64 NUM_WATCHPOINTS = 4;
+
 } // namespace Hardware
 
 } // namespace Core

src/core/hle/ipc_helpers.h

@@ -19,7 +19,7 @@
 
 namespace IPC {
 
-constexpr ResultCode ERR_REMOTE_PROCESS_DEAD{ErrorModule::HIPC, 301};
+constexpr Result ERR_REMOTE_PROCESS_DEAD{ErrorModule::HIPC, 301};
 
 class RequestHelperBase {
 protected:
@@ -176,7 +176,7 @@ public:
     void PushImpl(float value);
     void PushImpl(double value);
     void PushImpl(bool value);
-    void PushImpl(ResultCode value);
+    void PushImpl(Result value);
 
     template <typename T>
     void Push(T value) {
@@ -251,7 +251,7 @@ void ResponseBuilder::PushRaw(const T& value) {
     index += (sizeof(T) + 3) / 4; // round up to word length
 }
 
-inline void ResponseBuilder::PushImpl(ResultCode value) {
+inline void ResponseBuilder::PushImpl(Result value) {
     // Result codes are actually 64-bit in the IPC buffer, but only the high part is discarded.
     Push(value.raw);
     Push<u32>(0);
@@ -481,8 +481,8 @@ inline bool RequestParser::Pop() {
 }
 
 template <>
-inline ResultCode RequestParser::Pop() {
-    return ResultCode{Pop<u32>()};
+inline Result RequestParser::Pop() {
+    return Result{Pop<u32>()};
 }
 
 template <typename T>

src/core/hle/kernel/hle_ipc.cpp

@@ -188,8 +188,8 @@ void HLERequestContext::ParseCommandBuffer(const KHandleTable& handle_table, u32
     rp.Skip(1, false); // The command is actually an u64, but we don't use the high part.
 }
 
-ResultCode HLERequestContext::PopulateFromIncomingCommandBuffer(const KHandleTable& handle_table,
-                                                                u32_le* src_cmdbuf) {
+Result HLERequestContext::PopulateFromIncomingCommandBuffer(const KHandleTable& handle_table,
+                                                            u32_le* src_cmdbuf) {
     ParseCommandBuffer(handle_table, src_cmdbuf, true);
 
     if (command_header->IsCloseCommand()) {
@@ -202,7 +202,7 @@ ResultCode HLERequestContext::PopulateFromIncomingCommandBuffer(const KHandleTab
     return ResultSuccess;
 }
 
-ResultCode HLERequestContext::WriteToOutgoingCommandBuffer(KThread& requesting_thread) {
+Result HLERequestContext::WriteToOutgoingCommandBuffer(KThread& requesting_thread) {
     auto current_offset = handles_offset;
     auto& owner_process = *requesting_thread.GetOwnerProcess();
     auto& handle_table = owner_process.GetHandleTable();

src/core/hle/kernel/hle_ipc.h

@@ -18,7 +18,7 @@
 #include "core/hle/ipc.h"
 #include "core/hle/kernel/svc_common.h"
 
-union ResultCode;
+union Result;
 
 namespace Core::Memory {
 class Memory;
@@ -71,10 +71,10 @@ public:
      * it should be used to differentiate which client (As in ClientSession) we're answering to.
      * TODO(Subv): Use a wrapper structure to hold all the information relevant to
      * this request (ServerSession, Originator thread, Translated command buffer, etc).
-     * @returns ResultCode the result code of the translate operation.
+     * @returns Result the result code of the translate operation.
      */
-    virtual ResultCode HandleSyncRequest(Kernel::KServerSession& session,
-                                         Kernel::HLERequestContext& context) = 0;
+    virtual Result HandleSyncRequest(Kernel::KServerSession& session,
+                                     Kernel::HLERequestContext& context) = 0;
 
     /**
      * Signals that a client has just connected to this HLE handler and keeps the
@@ -212,11 +212,10 @@ public:
     }
 
     /// Populates this context with data from the requesting process/thread.
-    ResultCode PopulateFromIncomingCommandBuffer(const KHandleTable& handle_table,
-                                                 u32_le* src_cmdbuf);
+    Result PopulateFromIncomingCommandBuffer(const KHandleTable& handle_table, u32_le* src_cmdbuf);
 
     /// Writes data from this context back to the requesting process/thread.
-    ResultCode WriteToOutgoingCommandBuffer(KThread& requesting_thread);
+    Result WriteToOutgoingCommandBuffer(KThread& requesting_thread);
 
     u32_le GetHipcCommand() const {
         return command;

src/core/hle/kernel/k_address_arbiter.cpp

@@ -90,8 +90,7 @@ public:
     explicit ThreadQueueImplForKAddressArbiter(KernelCore& kernel_, KAddressArbiter::ThreadTree* t)
         : KThreadQueue(kernel_), m_tree(t) {}
 
-    void CancelWait(KThread* waiting_thread, ResultCode wait_result,
-                    bool cancel_timer_task) override {
+    void CancelWait(KThread* waiting_thread, Result wait_result, bool cancel_timer_task) override {
         // If the thread is waiting on an address arbiter, remove it from the tree.
         if (waiting_thread->IsWaitingForAddressArbiter()) {
             m_tree->erase(m_tree->iterator_to(*waiting_thread));
@@ -108,7 +107,7 @@ private:
 
 } // namespace
 
-ResultCode KAddressArbiter::Signal(VAddr addr, s32 count) {
+Result KAddressArbiter::Signal(VAddr addr, s32 count) {
     // Perform signaling.
     s32 num_waiters{};
     {
@@ -131,7 +130,7 @@ ResultCode KAddressArbiter::Signal(VAddr addr, s32 count) {
     return ResultSuccess;
 }
 
-ResultCode KAddressArbiter::SignalAndIncrementIfEqual(VAddr addr, s32 value, s32 count) {
+Result KAddressArbiter::SignalAndIncrementIfEqual(VAddr addr, s32 value, s32 count) {
     // Perform signaling.
     s32 num_waiters{};
     {
@@ -164,7 +163,7 @@ ResultCode KAddressArbiter::SignalAndIncrementIfEqual(VAddr addr, s32 value, s32
     return ResultSuccess;
 }
 
-ResultCode KAddressArbiter::SignalAndModifyByWaitingCountIfEqual(VAddr addr, s32 value, s32 count) {
+Result KAddressArbiter::SignalAndModifyByWaitingCountIfEqual(VAddr addr, s32 value, s32 count) {
     // Perform signaling.
     s32 num_waiters{};
     {
@@ -232,9 +231,9 @@ ResultCode KAddressArbiter::SignalAndModifyByWaitingCountIfEqual(VAddr addr, s32
     return ResultSuccess;
 }
 
-ResultCode KAddressArbiter::WaitIfLessThan(VAddr addr, s32 value, bool decrement, s64 timeout) {
+Result KAddressArbiter::WaitIfLessThan(VAddr addr, s32 value, bool decrement, s64 timeout) {
     // Prepare to wait.
-    KThread* cur_thread = kernel.CurrentScheduler()->GetCurrentThread();
+    KThread* cur_thread = GetCurrentThreadPointer(kernel);
     ThreadQueueImplForKAddressArbiter wait_queue(kernel, std::addressof(thread_tree));
 
     {
@@ -285,9 +284,9 @@ ResultCode KAddressArbiter::WaitIfLessThan(VAddr addr, s32 value, bool decrement
     return cur_thread->GetWaitResult();
 }
 
-ResultCode KAddressArbiter::WaitIfEqual(VAddr addr, s32 value, s64 timeout) {
+Result KAddressArbiter::WaitIfEqual(VAddr addr, s32 value, s64 timeout) {
     // Prepare to wait.
-    KThread* cur_thread = kernel.CurrentScheduler()->GetCurrentThread();
+    KThread* cur_thread = GetCurrentThreadPointer(kernel);
     ThreadQueueImplForKAddressArbiter wait_queue(kernel, std::addressof(thread_tree));
 
     {

src/core/hle/kernel/k_address_arbiter.h

@@ -8,7 +8,7 @@
 #include "core/hle/kernel/k_condition_variable.h"
 #include "core/hle/kernel/svc_types.h"
 
-union ResultCode;
+union Result;
 
 namespace Core {
 class System;
@@ -25,8 +25,7 @@ public:
     explicit KAddressArbiter(Core::System& system_);
     ~KAddressArbiter();
 
-    [[nodiscard]] ResultCode SignalToAddress(VAddr addr, Svc::SignalType type, s32 value,
-                                             s32 count) {
+    [[nodiscard]] Result SignalToAddress(VAddr addr, Svc::SignalType type, s32 value, s32 count) {
         switch (type) {
         case Svc::SignalType::Signal:
             return Signal(addr, count);
@@ -39,8 +38,8 @@ public:
         return ResultUnknown;
     }
 
-    [[nodiscard]] ResultCode WaitForAddress(VAddr addr, Svc::ArbitrationType type, s32 value,
-                                            s64 timeout) {
+    [[nodiscard]] Result WaitForAddress(VAddr addr, Svc::ArbitrationType type, s32 value,
+                                        s64 timeout) {
         switch (type) {
         case Svc::ArbitrationType::WaitIfLessThan:
             return WaitIfLessThan(addr, value, false, timeout);
@@ -54,11 +53,11 @@ public:
     }
 
 private:
-    [[nodiscard]] ResultCode Signal(VAddr addr, s32 count);
-    [[nodiscard]] ResultCode SignalAndIncrementIfEqual(VAddr addr, s32 value, s32 count);
-    [[nodiscard]] ResultCode SignalAndModifyByWaitingCountIfEqual(VAddr addr, s32 value, s32 count);
-    [[nodiscard]] ResultCode WaitIfLessThan(VAddr addr, s32 value, bool decrement, s64 timeout);
-    [[nodiscard]] ResultCode WaitIfEqual(VAddr addr, s32 value, s64 timeout);
+    [[nodiscard]] Result Signal(VAddr addr, s32 count);
+    [[nodiscard]] Result SignalAndIncrementIfEqual(VAddr addr, s32 value, s32 count);
+    [[nodiscard]] Result SignalAndModifyByWaitingCountIfEqual(VAddr addr, s32 value, s32 count);
+    [[nodiscard]] Result WaitIfLessThan(VAddr addr, s32 value, bool decrement, s64 timeout);
+    [[nodiscard]] Result WaitIfEqual(VAddr addr, s32 value, s64 timeout);
 
     ThreadTree thread_tree;
 

src/core/hle/kernel/k_client_port.cpp

@@ -59,8 +59,8 @@ bool KClientPort::IsSignaled() const {
     return num_sessions < max_sessions;
 }
 
-ResultCode KClientPort::CreateSession(KClientSession** out,
-                                      std::shared_ptr<SessionRequestManager> session_manager) {
+Result KClientPort::CreateSession(KClientSession** out,
+                                  std::shared_ptr<SessionRequestManager> session_manager) {
     // Reserve a new session from the resource limit.
     KScopedResourceReservation session_reservation(kernel.CurrentProcess()->GetResourceLimit(),
                                                    LimitableResource::Sessions);

src/core/hle/kernel/k_client_port.h

@@ -53,8 +53,8 @@ public:
     void Destroy() override;
     bool IsSignaled() const override;
 
-    ResultCode CreateSession(KClientSession** out,
-                             std::shared_ptr<SessionRequestManager> session_manager = nullptr);
+    Result CreateSession(KClientSession** out,
+                         std::shared_ptr<SessionRequestManager> session_manager = nullptr);
 
 private:
     std::atomic<s32> num_sessions{};

src/core/hle/kernel/k_client_session.cpp

@@ -21,8 +21,8 @@ void KClientSession::Destroy() {
 
 void KClientSession::OnServerClosed() {}
 
-ResultCode KClientSession::SendSyncRequest(KThread* thread, Core::Memory::Memory& memory,
-                                           Core::Timing::CoreTiming& core_timing) {
+Result KClientSession::SendSyncRequest(KThread* thread, Core::Memory::Memory& memory,
+                                       Core::Timing::CoreTiming& core_timing) {
     // Signal the server session that new data is available
     return parent->GetServerSession().HandleSyncRequest(thread, memory, core_timing);
 }

src/core/hle/kernel/k_client_session.h

@@ -9,7 +9,7 @@
 #include "core/hle/kernel/slab_helpers.h"
 #include "core/hle/result.h"
 
-union ResultCode;
+union Result;
 
 namespace Core::Memory {
 class Memory;
@@ -46,8 +46,8 @@ public:
         return parent;
     }
 
-    ResultCode SendSyncRequest(KThread* thread, Core::Memory::Memory& memory,
-                               Core::Timing::CoreTiming& core_timing);
+    Result SendSyncRequest(KThread* thread, Core::Memory::Memory& memory,
+                           Core::Timing::CoreTiming& core_timing);
 
     void OnServerClosed();
 

src/core/hle/kernel/k_code_memory.cpp

@@ -7,7 +7,7 @@
 #include "core/hle/kernel/k_code_memory.h"
 #include "core/hle/kernel/k_light_lock.h"
 #include "core/hle/kernel/k_memory_block.h"
-#include "core/hle/kernel/k_page_linked_list.h"
+#include "core/hle/kernel/k_page_group.h"
 #include "core/hle/kernel/k_page_table.h"
 #include "core/hle/kernel/k_process.h"
 #include "core/hle/kernel/slab_helpers.h"
@@ -19,7 +19,7 @@ namespace Kernel {
 KCodeMemory::KCodeMemory(KernelCore& kernel_)
     : KAutoObjectWithSlabHeapAndContainer{kernel_}, m_lock(kernel_) {}
 
-ResultCode KCodeMemory::Initialize(Core::DeviceMemory& device_memory, VAddr addr, size_t size) {
+Result KCodeMemory::Initialize(Core::DeviceMemory& device_memory, VAddr addr, size_t size) {
     // Set members.
     m_owner = kernel.CurrentProcess();
 
@@ -62,7 +62,7 @@ void KCodeMemory::Finalize() {
     m_owner->Close();
 }
 
-ResultCode KCodeMemory::Map(VAddr address, size_t size) {
+Result KCodeMemory::Map(VAddr address, size_t size) {
     // Validate the size.
     R_UNLESS(m_page_group.GetNumPages() == Common::DivideUp(size, PageSize), ResultInvalidSize);
 
@@ -82,7 +82,7 @@ ResultCode KCodeMemory::Map(VAddr address, size_t size) {
     return ResultSuccess;
 }
 
-ResultCode KCodeMemory::Unmap(VAddr address, size_t size) {
+Result KCodeMemory::Unmap(VAddr address, size_t size) {
     // Validate the size.
     R_UNLESS(m_page_group.GetNumPages() == Common::DivideUp(size, PageSize), ResultInvalidSize);
 
@@ -99,7 +99,7 @@ ResultCode KCodeMemory::Unmap(VAddr address, size_t size) {
     return ResultSuccess;
 }
 
-ResultCode KCodeMemory::MapToOwner(VAddr address, size_t size, Svc::MemoryPermission perm) {
+Result KCodeMemory::MapToOwner(VAddr address, size_t size, Svc::MemoryPermission perm) {
     // Validate the size.
     R_UNLESS(m_page_group.GetNumPages() == Common::DivideUp(size, PageSize), ResultInvalidSize);
 
@@ -133,7 +133,7 @@ ResultCode KCodeMemory::MapToOwner(VAddr address, size_t size, Svc::MemoryPermis
     return ResultSuccess;
 }
 
-ResultCode KCodeMemory::UnmapFromOwner(VAddr address, size_t size) {
+Result KCodeMemory::UnmapFromOwner(VAddr address, size_t size) {
     // Validate the size.
     R_UNLESS(m_page_group.GetNumPages() == Common::DivideUp(size, PageSize), ResultInvalidSize);
 

src/core/hle/kernel/k_code_memory.h

@@ -7,7 +7,7 @@
 #include "core/device_memory.h"
 #include "core/hle/kernel/k_auto_object.h"
 #include "core/hle/kernel/k_light_lock.h"
-#include "core/hle/kernel/k_page_linked_list.h"
+#include "core/hle/kernel/k_page_group.h"
 #include "core/hle/kernel/k_process.h"
 #include "core/hle/kernel/slab_helpers.h"
 #include "core/hle/kernel/svc_types.h"
@@ -29,13 +29,13 @@ class KCodeMemory final
 public:
     explicit KCodeMemory(KernelCore& kernel_);
 
-    ResultCode Initialize(Core::DeviceMemory& device_memory, VAddr address, size_t size);
+    Result Initialize(Core::DeviceMemory& device_memory, VAddr address, size_t size);
     void Finalize();
 
-    ResultCode Map(VAddr address, size_t size);
-    ResultCode Unmap(VAddr address, size_t size);
-    ResultCode MapToOwner(VAddr address, size_t size, Svc::MemoryPermission perm);
-    ResultCode UnmapFromOwner(VAddr address, size_t size);
+    Result Map(VAddr address, size_t size);
+    Result Unmap(VAddr address, size_t size);
+    Result MapToOwner(VAddr address, size_t size, Svc::MemoryPermission perm);
+    Result UnmapFromOwner(VAddr address, size_t size);
 
     bool IsInitialized() const {
         return m_is_initialized;
@@ -53,7 +53,7 @@ public:
     }
 
 private:
-    KPageLinkedList m_page_group{};
+    KPageGroup m_page_group{};
     KProcess* m_owner{};
     VAddr m_address{};
     KLightLock m_lock;

src/core/hle/kernel/k_condition_variable.cpp

@@ -61,8 +61,7 @@ public:
     explicit ThreadQueueImplForKConditionVariableWaitForAddress(KernelCore& kernel_)
         : KThreadQueue(kernel_) {}
 
-    void CancelWait(KThread* waiting_thread, ResultCode wait_result,
-                    bool cancel_timer_task) override {
+    void CancelWait(KThread* waiting_thread, Result wait_result, bool cancel_timer_task) override {
         // Remove the thread as a waiter from its owner.
         waiting_thread->GetLockOwner()->RemoveWaiter(waiting_thread);
 
@@ -80,8 +79,7 @@ public:
         KernelCore& kernel_, KConditionVariable::ThreadTree* t)
         : KThreadQueue(kernel_), m_tree(t) {}
 
-    void CancelWait(KThread* waiting_thread, ResultCode wait_result,
-                    bool cancel_timer_task) override {
+    void CancelWait(KThread* waiting_thread, Result wait_result, bool cancel_timer_task) override {
         // Remove the thread as a waiter from its owner.
         if (KThread* owner = waiting_thread->GetLockOwner(); owner != nullptr) {
             owner->RemoveWaiter(waiting_thread);
@@ -105,8 +103,8 @@ KConditionVariable::KConditionVariable(Core::System& system_)
 
 KConditionVariable::~KConditionVariable() = default;
 
-ResultCode KConditionVariable::SignalToAddress(VAddr addr) {
-    KThread* owner_thread = kernel.CurrentScheduler()->GetCurrentThread();
+Result KConditionVariable::SignalToAddress(VAddr addr) {
+    KThread* owner_thread = GetCurrentThreadPointer(kernel);
 
     // Signal the address.
     {
@@ -126,7 +124,7 @@ ResultCode KConditionVariable::SignalToAddress(VAddr addr) {
             }
 
             // Write the value to userspace.
-            ResultCode result{ResultSuccess};
+            Result result{ResultSuccess};
             if (WriteToUser(system, addr, std::addressof(next_value))) [[likely]] {
                 result = ResultSuccess;
             } else {
@@ -146,8 +144,8 @@ ResultCode KConditionVariable::SignalToAddress(VAddr addr) {
     }
 }
 
-ResultCode KConditionVariable::WaitForAddress(Handle handle, VAddr addr, u32 value) {
-    KThread* cur_thread = kernel.CurrentScheduler()->GetCurrentThread();
+Result KConditionVariable::WaitForAddress(Handle handle, VAddr addr, u32 value) {
+    KThread* cur_thread = GetCurrentThreadPointer(kernel);
     ThreadQueueImplForKConditionVariableWaitForAddress wait_queue(kernel);
 
     // Wait for the address.
@@ -261,7 +259,7 @@ void KConditionVariable::Signal(u64 cv_key, s32 count) {
     }
 }
 
-ResultCode KConditionVariable::Wait(VAddr addr, u64 key, u32 value, s64 timeout) {
+Result KConditionVariable::Wait(VAddr addr, u64 key, u32 value, s64 timeout) {
     // Prepare to wait.
     KThread* cur_thread = GetCurrentThreadPointer(kernel);
     ThreadQueueImplForKConditionVariableWaitConditionVariable wait_queue(

src/core/hle/kernel/k_condition_variable.h

@@ -25,12 +25,12 @@ public:
     ~KConditionVariable();
 
     // Arbitration
-    [[nodiscard]] ResultCode SignalToAddress(VAddr addr);
-    [[nodiscard]] ResultCode WaitForAddress(Handle handle, VAddr addr, u32 value);
+    [[nodiscard]] Result SignalToAddress(VAddr addr);
+    [[nodiscard]] Result WaitForAddress(Handle handle, VAddr addr, u32 value);
 
     // Condition variable
     void Signal(u64 cv_key, s32 count);
-    [[nodiscard]] ResultCode Wait(VAddr addr, u64 key, u32 value, s64 timeout);
+    [[nodiscard]] Result Wait(VAddr addr, u64 key, u32 value, s64 timeout);
 
 private:
     void SignalImpl(KThread* thread);

src/core/hle/kernel/k_handle_table.cpp

@@ -8,7 +8,7 @@ namespace Kernel {
 KHandleTable::KHandleTable(KernelCore& kernel_) : kernel{kernel_} {}
 KHandleTable::~KHandleTable() = default;
 
-ResultCode KHandleTable::Finalize() {
+Result KHandleTable::Finalize() {
     // Get the table and clear our record of it.
     u16 saved_table_size = 0;
     {
@@ -62,7 +62,7 @@ bool KHandleTable::Remove(Handle handle) {
     return true;
 }
 
-ResultCode KHandleTable::Add(Handle* out_handle, KAutoObject* obj) {
+Result KHandleTable::Add(Handle* out_handle, KAutoObject* obj) {
     KScopedDisableDispatch dd(kernel);
     KScopedSpinLock lk(m_lock);
 
@@ -85,7 +85,7 @@ ResultCode KHandleTable::Add(Handle* out_handle, KAutoObject* obj) {
     return ResultSuccess;
 }
 
-ResultCode KHandleTable::Reserve(Handle* out_handle) {
+Result KHandleTable::Reserve(Handle* out_handle) {
     KScopedDisableDispatch dd(kernel);
     KScopedSpinLock lk(m_lock);
 

src/core/hle/kernel/k_handle_table.h

@@ -30,7 +30,7 @@ public:
     explicit KHandleTable(KernelCore& kernel_);
     ~KHandleTable();
 
-    ResultCode Initialize(s32 size) {
+    Result Initialize(s32 size) {
         R_UNLESS(size <= static_cast<s32>(MaxTableSize), ResultOutOfMemory);
 
         // Initialize all fields.
@@ -60,7 +60,7 @@ public:
         return m_max_count;
     }
 
-    ResultCode Finalize();
+    Result Finalize();
     bool Remove(Handle handle);
 
     template <typename T = KAutoObject>
@@ -100,10 +100,10 @@ public:
         return this->template GetObjectWithoutPseudoHandle<T>(handle);
     }
 
-    ResultCode Reserve(Handle* out_handle);
+    Result Reserve(Handle* out_handle);
     void Unreserve(Handle handle);
 
-    ResultCode Add(Handle* out_handle, KAutoObject* obj);
+    Result Add(Handle* out_handle, KAutoObject* obj);
     void Register(Handle handle, KAutoObject* obj);
 
     template <typename T>

src/core/hle/kernel/k_interrupt_manager.cpp

@@ -15,8 +15,7 @@ void HandleInterrupt(KernelCore& kernel, s32 core_id) {
         return;
     }
 
-    auto& scheduler = kernel.Scheduler(core_id);
-    auto& current_thread = *scheduler.GetCurrentThread();
+    auto& current_thread = GetCurrentThread(kernel);
 
     // If the user disable count is set, we may need to pin the current thread.
     if (current_thread.GetUserDisableCount() && !process->GetPinnedThread(core_id)) {
@@ -26,7 +25,7 @@ void HandleInterrupt(KernelCore& kernel, s32 core_id) {
         process->PinCurrentThread(core_id);
 
         // Set the interrupt flag for the thread.
-        scheduler.GetCurrentThread()->SetInterruptFlag();
+        GetCurrentThread(kernel).SetInterruptFlag();
     }
 }
 

src/core/hle/kernel/k_light_condition_variable.cpp

@@ -17,8 +17,7 @@ public:
                                               bool term)
         : KThreadQueue(kernel_), m_wait_list(wl), m_allow_terminating_thread(term) {}
 
-    void CancelWait(KThread* waiting_thread, ResultCode wait_result,
-                    bool cancel_timer_task) override {
+    void CancelWait(KThread* waiting_thread, Result wait_result, bool cancel_timer_task) override {
         // Only process waits if we're allowed to.
         if (ResultTerminationRequested == wait_result && m_allow_terminating_thread) {
             return;

src/core/hle/kernel/k_light_lock.cpp

@@ -15,8 +15,7 @@ class ThreadQueueImplForKLightLock final : public KThreadQueue {
 public:
     explicit ThreadQueueImplForKLightLock(KernelCore& kernel_) : KThreadQueue(kernel_) {}
 
-    void CancelWait(KThread* waiting_thread, ResultCode wait_result,
-                    bool cancel_timer_task) override {
+    void CancelWait(KThread* waiting_thread, Result wait_result, bool cancel_timer_task) override {
         // Remove the thread as a waiter from its owner.
         if (KThread* owner = waiting_thread->GetLockOwner(); owner != nullptr) {
             owner->RemoveWaiter(waiting_thread);

src/core/hle/kernel/k_memory_manager.cpp

@@ -11,7 +11,7 @@
 #include "core/device_memory.h"
 #include "core/hle/kernel/initial_process.h"
 #include "core/hle/kernel/k_memory_manager.h"
-#include "core/hle/kernel/k_page_linked_list.h"
+#include "core/hle/kernel/k_page_group.h"
 #include "core/hle/kernel/kernel.h"
 #include "core/hle/kernel/svc_results.h"
 
@@ -208,8 +208,8 @@ PAddr KMemoryManager::AllocateAndOpenContinuous(size_t num_pages, size_t align_p
     return allocated_block;
 }
 
-ResultCode KMemoryManager::AllocatePageGroupImpl(KPageLinkedList* out, size_t num_pages, Pool pool,
-                                                 Direction dir, bool random) {
+Result KMemoryManager::AllocatePageGroupImpl(KPageGroup* out, size_t num_pages, Pool pool,
+                                             Direction dir, bool random) {
     // Choose a heap based on our page size request.
     const s32 heap_index = KPageHeap::GetBlockIndex(num_pages);
     R_UNLESS(0 <= heap_index, ResultOutOfMemory);
@@ -257,7 +257,7 @@ ResultCode KMemoryManager::AllocatePageGroupImpl(KPageLinkedList* out, size_t nu
     return ResultSuccess;
 }
 
-ResultCode KMemoryManager::AllocateAndOpen(KPageLinkedList* out, size_t num_pages, u32 option) {
+Result KMemoryManager::AllocateAndOpen(KPageGroup* out, size_t num_pages, u32 option) {
     ASSERT(out != nullptr);
     ASSERT(out->GetNumPages() == 0);
 
@@ -293,8 +293,8 @@ ResultCode KMemoryManager::AllocateAndOpen(KPageLinkedList* out, size_t num_page
     return ResultSuccess;
 }
 
-ResultCode KMemoryManager::AllocateAndOpenForProcess(KPageLinkedList* out, size_t num_pages,
-                                                     u32 option, u64 process_id, u8 fill_pattern) {
+Result KMemoryManager::AllocateAndOpenForProcess(KPageGroup* out, size_t num_pages, u32 option,
+                                                 u64 process_id, u8 fill_pattern) {
     ASSERT(out != nullptr);
     ASSERT(out->GetNumPages() == 0);
 
@@ -370,12 +370,12 @@ void KMemoryManager::Close(PAddr address, size_t num_pages) {
     }
 }
 
-void KMemoryManager::Close(const KPageLinkedList& pg) {
+void KMemoryManager::Close(const KPageGroup& pg) {
     for (const auto& node : pg.Nodes()) {
         Close(node.GetAddress(), node.GetNumPages());
     }
 }
-void KMemoryManager::Open(const KPageLinkedList& pg) {
+void KMemoryManager::Open(const KPageGroup& pg) {
     for (const auto& node : pg.Nodes()) {
         Open(node.GetAddress(), node.GetNumPages());
     }

src/core/hle/kernel/k_memory_manager.h

@@ -19,7 +19,7 @@ class System;
 
 namespace Kernel {
 
-class KPageLinkedList;
+class KPageGroup;
 
 class KMemoryManager final {
 public:
@@ -65,17 +65,17 @@ public:
     }
 
     PAddr AllocateAndOpenContinuous(size_t num_pages, size_t align_pages, u32 option);
-    ResultCode AllocateAndOpen(KPageLinkedList* out, size_t num_pages, u32 option);
-    ResultCode AllocateAndOpenForProcess(KPageLinkedList* out, size_t num_pages, u32 option,
-                                         u64 process_id, u8 fill_pattern);
+    Result AllocateAndOpen(KPageGroup* out, size_t num_pages, u32 option);
+    Result AllocateAndOpenForProcess(KPageGroup* out, size_t num_pages, u32 option, u64 process_id,
+                                     u8 fill_pattern);
 
     static constexpr size_t MaxManagerCount = 10;
 
     void Close(PAddr address, size_t num_pages);
-    void Close(const KPageLinkedList& pg);
+    void Close(const KPageGroup& pg);
 
     void Open(PAddr address, size_t num_pages);
-    void Open(const KPageLinkedList& pg);
+    void Open(const KPageGroup& pg);
 
 public:
     static size_t CalculateManagementOverheadSize(size_t region_size) {
@@ -262,8 +262,8 @@ private:
         }
     }
 
-    ResultCode AllocatePageGroupImpl(KPageLinkedList* out, size_t num_pages, Pool pool,
-                                     Direction dir, bool random);
+    Result AllocatePageGroupImpl(KPageGroup* out, size_t num_pages, Pool pool, Direction dir,
+                                 bool random);
 
 private:
     Core::System& system;

src/core/hle/kernel/k_page_group.h

@@ -12,7 +12,7 @@
 
 namespace Kernel {
 
-class KPageLinkedList final {
+class KPageGroup final {
 public:
     class Node final {
     public:
@@ -36,8 +36,8 @@ public:
     };
 
 public:
-    KPageLinkedList() = default;
-    KPageLinkedList(u64 address, u64 num_pages) {
+    KPageGroup() = default;
+    KPageGroup(u64 address, u64 num_pages) {
         ASSERT(AddBlock(address, num_pages).IsSuccess());
     }
 
@@ -57,7 +57,7 @@ public:
         return num_pages;
     }
 
-    bool IsEqual(KPageLinkedList& other) const {
+    bool IsEqual(KPageGroup& other) const {
         auto this_node = nodes.begin();
         auto other_node = other.nodes.begin();
         while (this_node != nodes.end() && other_node != other.nodes.end()) {
@@ -72,7 +72,7 @@ public:
         return this_node == nodes.end() && other_node == other.nodes.end();
     }
 
-    ResultCode AddBlock(u64 address, u64 num_pages) {
+    Result AddBlock(u64 address, u64 num_pages) {
         if (!num_pages) {
             return ResultSuccess;
         }

src/core/hle/kernel/k_page_table.cpp

@@ -9,7 +9,7 @@
 #include "core/hle/kernel/k_address_space_info.h"
 #include "core/hle/kernel/k_memory_block.h"
 #include "core/hle/kernel/k_memory_block_manager.h"
-#include "core/hle/kernel/k_page_linked_list.h"
+#include "core/hle/kernel/k_page_group.h"
 #include "core/hle/kernel/k_page_table.h"
 #include "core/hle/kernel/k_process.h"
 #include "core/hle/kernel/k_resource_limit.h"
@@ -47,9 +47,9 @@ KPageTable::KPageTable(Core::System& system_)
 
 KPageTable::~KPageTable() = default;
 
-ResultCode KPageTable::InitializeForProcess(FileSys::ProgramAddressSpaceType as_type,
-                                            bool enable_aslr, VAddr code_addr,
-                                            std::size_t code_size, KMemoryManager::Pool pool) {
+Result KPageTable::InitializeForProcess(FileSys::ProgramAddressSpaceType as_type, bool enable_aslr,
+                                        VAddr code_addr, std::size_t code_size,
+                                        KMemoryManager::Pool pool) {
 
     const auto GetSpaceStart = [this](KAddressSpaceInfo::Type type) {
         return KAddressSpaceInfo::GetAddressSpaceStart(address_space_width, type);
@@ -65,7 +65,6 @@ ResultCode KPageTable::InitializeForProcess(FileSys::ProgramAddressSpaceType as_
     std::size_t alias_region_size{GetSpaceSize(KAddressSpaceInfo::Type::Alias)};
     std::size_t heap_region_size{GetSpaceSize(KAddressSpaceInfo::Type::Heap)};
 
-    ASSERT(start <= code_addr);
     ASSERT(code_addr < code_addr + code_size);
     ASSERT(code_addr + code_size - 1 <= end - 1);
 
@@ -258,8 +257,8 @@ ResultCode KPageTable::InitializeForProcess(FileSys::ProgramAddressSpaceType as_
     return InitializeMemoryLayout(start, end);
 }
 
-ResultCode KPageTable::MapProcessCode(VAddr addr, std::size_t num_pages, KMemoryState state,
-                                      KMemoryPermission perm) {
+Result KPageTable::MapProcessCode(VAddr addr, std::size_t num_pages, KMemoryState state,
+                                  KMemoryPermission perm) {
     const u64 size{num_pages * PageSize};
 
     // Validate the mapping request.
@@ -272,7 +271,7 @@ ResultCode KPageTable::MapProcessCode(VAddr addr, std::size_t num_pages, KMemory
     R_TRY(this->CheckMemoryState(addr, size, KMemoryState::All, KMemoryState::Free,
                                  KMemoryPermission::None, KMemoryPermission::None,
                                  KMemoryAttribute::None, KMemoryAttribute::None));
-    KPageLinkedList pg;
+    KPageGroup pg;
     R_TRY(system.Kernel().MemoryManager().AllocateAndOpen(
         &pg, num_pages,
         KMemoryManager::EncodeOption(KMemoryManager::Pool::Application, allocation_option)));
@@ -284,7 +283,7 @@ ResultCode KPageTable::MapProcessCode(VAddr addr, std::size_t num_pages, KMemory
     return ResultSuccess;
 }
 
-ResultCode KPageTable::MapCodeMemory(VAddr dst_address, VAddr src_address, std::size_t size) {
+Result KPageTable::MapCodeMemory(VAddr dst_address, VAddr src_address, std::size_t size) {
     // Validate the mapping request.
     R_UNLESS(this->CanContain(dst_address, size, KMemoryState::AliasCode),
              ResultInvalidMemoryRegion);
@@ -314,7 +313,7 @@ ResultCode KPageTable::MapCodeMemory(VAddr dst_address, VAddr src_address, std::
         const std::size_t num_pages = size / PageSize;
 
         // Create page groups for the memory being mapped.
-        KPageLinkedList pg;
+        KPageGroup pg;
         AddRegionToPages(src_address, num_pages, pg);
 
         // Reprotect the source as kernel-read/not mapped.
@@ -345,8 +344,8 @@ ResultCode KPageTable::MapCodeMemory(VAddr dst_address, VAddr src_address, std::
     return ResultSuccess;
 }
 
-ResultCode KPageTable::UnmapCodeMemory(VAddr dst_address, VAddr src_address, std::size_t size,
-                                       ICacheInvalidationStrategy icache_invalidation_strategy) {
+Result KPageTable::UnmapCodeMemory(VAddr dst_address, VAddr src_address, std::size_t size,
+                                   ICacheInvalidationStrategy icache_invalidation_strategy) {
     // Validate the mapping request.
     R_UNLESS(this->CanContain(dst_address, size, KMemoryState::AliasCode),
              ResultInvalidMemoryRegion);
@@ -490,7 +489,7 @@ VAddr KPageTable::FindFreeArea(VAddr region_start, std::size_t region_num_pages,
     return address;
 }
 
-ResultCode KPageTable::MakePageGroup(KPageLinkedList& pg, VAddr addr, size_t num_pages) {
+Result KPageTable::MakePageGroup(KPageGroup& pg, VAddr addr, size_t num_pages) {
     ASSERT(this->IsLockedByCurrentThread());
 
     const size_t size = num_pages * PageSize;
@@ -542,7 +541,7 @@ ResultCode KPageTable::MakePageGroup(KPageLinkedList& pg, VAddr addr, size_t num
     return ResultSuccess;
 }
 
-bool KPageTable::IsValidPageGroup(const KPageLinkedList& pg_ll, VAddr addr, size_t num_pages) {
+bool KPageTable::IsValidPageGroup(const KPageGroup& pg_ll, VAddr addr, size_t num_pages) {
     ASSERT(this->IsLockedByCurrentThread());
 
     const size_t size = num_pages * PageSize;
@@ -631,8 +630,8 @@ bool KPageTable::IsValidPageGroup(const KPageLinkedList& pg_ll, VAddr addr, size
     return cur_block_address == cur_addr && cur_block_pages == (cur_size / PageSize);
 }
 
-ResultCode KPageTable::UnmapProcessMemory(VAddr dst_addr, std::size_t size,
-                                          KPageTable& src_page_table, VAddr src_addr) {
+Result KPageTable::UnmapProcessMemory(VAddr dst_addr, std::size_t size, KPageTable& src_page_table,
+                                      VAddr src_addr) {
     KScopedLightLock lk(general_lock);
 
     const std::size_t num_pages{size / PageSize};
@@ -661,7 +660,7 @@ ResultCode KPageTable::UnmapProcessMemory(VAddr dst_addr, std::size_t size,
     return ResultSuccess;
 }
 
-ResultCode KPageTable::MapPhysicalMemory(VAddr address, std::size_t size) {
+Result KPageTable::MapPhysicalMemory(VAddr address, std::size_t size) {
     // Lock the physical memory lock.
     KScopedLightLock map_phys_mem_lk(map_physical_memory_lock);
 
@@ -722,7 +721,7 @@ ResultCode KPageTable::MapPhysicalMemory(VAddr address, std::size_t size) {
             R_UNLESS(memory_reservation.Succeeded(), ResultLimitReached);
 
             // Allocate pages for the new memory.
-            KPageLinkedList pg;
+            KPageGroup pg;
             R_TRY(system.Kernel().MemoryManager().AllocateAndOpenForProcess(
                 &pg, (size - mapped_size) / PageSize,
                 KMemoryManager::EncodeOption(memory_pool, allocation_option), 0, 0));
@@ -904,7 +903,7 @@ ResultCode KPageTable::MapPhysicalMemory(VAddr address, std::size_t size) {
     }
 }
 
-ResultCode KPageTable::UnmapPhysicalMemory(VAddr address, std::size_t size) {
+Result KPageTable::UnmapPhysicalMemory(VAddr address, std::size_t size) {
     // Lock the physical memory lock.
     KScopedLightLock map_phys_mem_lk(map_physical_memory_lock);
 
@@ -973,7 +972,7 @@ ResultCode KPageTable::UnmapPhysicalMemory(VAddr address, std::size_t size) {
     }
 
     // Make a page group for the unmap region.
-    KPageLinkedList pg;
+    KPageGroup pg;
     {
         auto& impl = this->PageTableImpl();
 
@@ -1135,7 +1134,7 @@ ResultCode KPageTable::UnmapPhysicalMemory(VAddr address, std::size_t size) {
     return ResultSuccess;
 }
 
-ResultCode KPageTable::MapMemory(VAddr dst_addr, VAddr src_addr, std::size_t size) {
+Result KPageTable::MapMemory(VAddr dst_addr, VAddr src_addr, std::size_t size) {
     KScopedLightLock lk(general_lock);
 
     KMemoryState src_state{};
@@ -1148,7 +1147,7 @@ ResultCode KPageTable::MapMemory(VAddr dst_addr, VAddr src_addr, std::size_t siz
         return ResultInvalidCurrentMemory;
     }
 
-    KPageLinkedList page_linked_list;
+    KPageGroup page_linked_list;
     const std::size_t num_pages{size / PageSize};
 
     AddRegionToPages(src_addr, num_pages, page_linked_list);
@@ -1174,7 +1173,7 @@ ResultCode KPageTable::MapMemory(VAddr dst_addr, VAddr src_addr, std::size_t siz
     return ResultSuccess;
 }
 
-ResultCode KPageTable::UnmapMemory(VAddr dst_addr, VAddr src_addr, std::size_t size) {
+Result KPageTable::UnmapMemory(VAddr dst_addr, VAddr src_addr, std::size_t size) {
     KScopedLightLock lk(general_lock);
 
     KMemoryState src_state{};
@@ -1189,8 +1188,8 @@ ResultCode KPageTable::UnmapMemory(VAddr dst_addr, VAddr src_addr, std::size_t s
                                   KMemoryPermission::None, KMemoryAttribute::Mask,
                                   KMemoryAttribute::None, KMemoryAttribute::IpcAndDeviceMapped));
 
-    KPageLinkedList src_pages;
-    KPageLinkedList dst_pages;
+    KPageGroup src_pages;
+    KPageGroup dst_pages;
     const std::size_t num_pages{size / PageSize};
 
     AddRegionToPages(src_addr, num_pages, src_pages);
@@ -1216,8 +1215,8 @@ ResultCode KPageTable::UnmapMemory(VAddr dst_addr, VAddr src_addr, std::size_t s
     return ResultSuccess;
 }
 
-ResultCode KPageTable::MapPages(VAddr addr, const KPageLinkedList& page_linked_list,
-                                KMemoryPermission perm) {
+Result KPageTable::MapPages(VAddr addr, const KPageGroup& page_linked_list,
+                            KMemoryPermission perm) {
     ASSERT(this->IsLockedByCurrentThread());
 
     VAddr cur_addr{addr};
@@ -1240,8 +1239,8 @@ ResultCode KPageTable::MapPages(VAddr addr, const KPageLinkedList& page_linked_l
     return ResultSuccess;
 }
 
-ResultCode KPageTable::MapPages(VAddr address, KPageLinkedList& page_linked_list,
-                                KMemoryState state, KMemoryPermission perm) {
+Result KPageTable::MapPages(VAddr address, KPageGroup& page_linked_list, KMemoryState state,
+                            KMemoryPermission perm) {
     // Check that the map is in range.
     const std::size_t num_pages{page_linked_list.GetNumPages()};
     const std::size_t size{num_pages * PageSize};
@@ -1264,10 +1263,10 @@ ResultCode KPageTable::MapPages(VAddr address, KPageLinkedList& page_linked_list
     return ResultSuccess;
 }
 
-ResultCode KPageTable::MapPages(VAddr* out_addr, std::size_t num_pages, std::size_t alignment,
-                                PAddr phys_addr, bool is_pa_valid, VAddr region_start,
-                                std::size_t region_num_pages, KMemoryState state,
-                                KMemoryPermission perm) {
+Result KPageTable::MapPages(VAddr* out_addr, std::size_t num_pages, std::size_t alignment,
+                            PAddr phys_addr, bool is_pa_valid, VAddr region_start,
+                            std::size_t region_num_pages, KMemoryState state,
+                            KMemoryPermission perm) {
     ASSERT(Common::IsAligned(alignment, PageSize) && alignment >= PageSize);
 
     // Ensure this is a valid map request.
@@ -1304,7 +1303,7 @@ ResultCode KPageTable::MapPages(VAddr* out_addr, std::size_t num_pages, std::siz
     return ResultSuccess;
 }
 
-ResultCode KPageTable::UnmapPages(VAddr addr, const KPageLinkedList& page_linked_list) {
+Result KPageTable::UnmapPages(VAddr addr, const KPageGroup& page_linked_list) {
     ASSERT(this->IsLockedByCurrentThread());
 
     VAddr cur_addr{addr};
@@ -1322,8 +1321,7 @@ ResultCode KPageTable::UnmapPages(VAddr addr, const KPageLinkedList& page_linked
     return ResultSuccess;
 }
 
-ResultCode KPageTable::UnmapPages(VAddr addr, KPageLinkedList& page_linked_list,
-                                  KMemoryState state) {
+Result KPageTable::UnmapPages(VAddr addr, KPageGroup& page_linked_list, KMemoryState state) {
     // Check that the unmap is in range.
     const std::size_t num_pages{page_linked_list.GetNumPages()};
     const std::size_t size{num_pages * PageSize};
@@ -1346,7 +1344,7 @@ ResultCode KPageTable::UnmapPages(VAddr addr, KPageLinkedList& page_linked_list,
     return ResultSuccess;
 }
 
-ResultCode KPageTable::UnmapPages(VAddr address, std::size_t num_pages, KMemoryState state) {
+Result KPageTable::UnmapPages(VAddr address, std::size_t num_pages, KMemoryState state) {
     // Check that the unmap is in range.
     const std::size_t size = num_pages * PageSize;
     R_UNLESS(this->Contains(address, size), ResultInvalidCurrentMemory);
@@ -1370,10 +1368,10 @@ ResultCode KPageTable::UnmapPages(VAddr address, std::size_t num_pages, KMemoryS
     return ResultSuccess;
 }
 
-ResultCode KPageTable::MakeAndOpenPageGroup(KPageLinkedList* out, VAddr address, size_t num_pages,
-                                            KMemoryState state_mask, KMemoryState state,
-                                            KMemoryPermission perm_mask, KMemoryPermission perm,
-                                            KMemoryAttribute attr_mask, KMemoryAttribute attr) {
+Result KPageTable::MakeAndOpenPageGroup(KPageGroup* out, VAddr address, size_t num_pages,
+                                        KMemoryState state_mask, KMemoryState state,
+                                        KMemoryPermission perm_mask, KMemoryPermission perm,
+                                        KMemoryAttribute attr_mask, KMemoryAttribute attr) {
     // Ensure that the page group isn't null.
     ASSERT(out != nullptr);
 
@@ -1395,8 +1393,8 @@ ResultCode KPageTable::MakeAndOpenPageGroup(KPageLinkedList* out, VAddr address,
     return ResultSuccess;
 }
 
-ResultCode KPageTable::SetProcessMemoryPermission(VAddr addr, std::size_t size,
-                                                  Svc::MemoryPermission svc_perm) {
+Result KPageTable::SetProcessMemoryPermission(VAddr addr, std::size_t size,
+                                              Svc::MemoryPermission svc_perm) {
     const size_t num_pages = size / PageSize;
 
     // Lock the table.
@@ -1468,7 +1466,7 @@ KMemoryInfo KPageTable::QueryInfo(VAddr addr) {
     return QueryInfoImpl(addr);
 }
 
-ResultCode KPageTable::ReserveTransferMemory(VAddr addr, std::size_t size, KMemoryPermission perm) {
+Result KPageTable::ReserveTransferMemory(VAddr addr, std::size_t size, KMemoryPermission perm) {
     KScopedLightLock lk(general_lock);
 
     KMemoryState state{};
@@ -1486,7 +1484,7 @@ ResultCode KPageTable::ReserveTransferMemory(VAddr addr, std::size_t size, KMemo
     return ResultSuccess;
 }
 
-ResultCode KPageTable::ResetTransferMemory(VAddr addr, std::size_t size) {
+Result KPageTable::ResetTransferMemory(VAddr addr, std::size_t size) {
     KScopedLightLock lk(general_lock);
 
     KMemoryState state{};
@@ -1501,8 +1499,8 @@ ResultCode KPageTable::ResetTransferMemory(VAddr addr, std::size_t size) {
     return ResultSuccess;
 }
 
-ResultCode KPageTable::SetMemoryPermission(VAddr addr, std::size_t size,
-                                           Svc::MemoryPermission svc_perm) {
+Result KPageTable::SetMemoryPermission(VAddr addr, std::size_t size,
+                                       Svc::MemoryPermission svc_perm) {
     const size_t num_pages = size / PageSize;
 
     // Lock the table.
@@ -1529,7 +1527,7 @@ ResultCode KPageTable::SetMemoryPermission(VAddr addr, std::size_t size,
     return ResultSuccess;
 }
 
-ResultCode KPageTable::SetMemoryAttribute(VAddr addr, std::size_t size, u32 mask, u32 attr) {
+Result KPageTable::SetMemoryAttribute(VAddr addr, std::size_t size, u32 mask, u32 attr) {
     const size_t num_pages = size / PageSize;
     ASSERT((static_cast<KMemoryAttribute>(mask) | KMemoryAttribute::SetMask) ==
            KMemoryAttribute::SetMask);
@@ -1564,7 +1562,7 @@ ResultCode KPageTable::SetMemoryAttribute(VAddr addr, std::size_t size, u32 mask
     return ResultSuccess;
 }
 
-ResultCode KPageTable::SetMaxHeapSize(std::size_t size) {
+Result KPageTable::SetMaxHeapSize(std::size_t size) {
     // Lock the table.
     KScopedLightLock lk(general_lock);
 
@@ -1576,7 +1574,7 @@ ResultCode KPageTable::SetMaxHeapSize(std::size_t size) {
     return ResultSuccess;
 }
 
-ResultCode KPageTable::SetHeapSize(VAddr* out, std::size_t size) {
+Result KPageTable::SetHeapSize(VAddr* out, std::size_t size) {
     // Lock the physical memory mutex.
     KScopedLightLock map_phys_mem_lk(map_physical_memory_lock);
 
@@ -1643,7 +1641,7 @@ ResultCode KPageTable::SetHeapSize(VAddr* out, std::size_t size) {
     R_UNLESS(memory_reservation.Succeeded(), ResultLimitReached);
 
     // Allocate pages for the heap extension.
-    KPageLinkedList pg;
+    KPageGroup pg;
     R_TRY(system.Kernel().MemoryManager().AllocateAndOpen(
         &pg, allocation_size / PageSize,
         KMemoryManager::EncodeOption(memory_pool, allocation_option)));
@@ -1718,7 +1716,7 @@ ResultVal<VAddr> KPageTable::AllocateAndMapMemory(std::size_t needed_num_pages,
     if (is_map_only) {
         R_TRY(Operate(addr, needed_num_pages, perm, OperationType::Map, map_addr));
     } else {
-        KPageLinkedList page_group;
+        KPageGroup page_group;
         R_TRY(system.Kernel().MemoryManager().AllocateAndOpenForProcess(
             &page_group, needed_num_pages,
             KMemoryManager::EncodeOption(memory_pool, allocation_option), 0, 0));
@@ -1730,11 +1728,11 @@ ResultVal<VAddr> KPageTable::AllocateAndMapMemory(std::size_t needed_num_pages,
     return addr;
 }
 
-ResultCode KPageTable::LockForDeviceAddressSpace(VAddr addr, std::size_t size) {
+Result KPageTable::LockForDeviceAddressSpace(VAddr addr, std::size_t size) {
     KScopedLightLock lk(general_lock);
 
     KMemoryPermission perm{};
-    if (const ResultCode result{CheckMemoryState(
+    if (const Result result{CheckMemoryState(
             nullptr, &perm, nullptr, nullptr, addr, size, KMemoryState::FlagCanChangeAttribute,
             KMemoryState::FlagCanChangeAttribute, KMemoryPermission::None, KMemoryPermission::None,
             KMemoryAttribute::LockedAndIpcLocked, KMemoryAttribute::None,
@@ -1753,11 +1751,11 @@ ResultCode KPageTable::LockForDeviceAddressSpace(VAddr addr, std::size_t size) {
     return ResultSuccess;
 }
 
-ResultCode KPageTable::UnlockForDeviceAddressSpace(VAddr addr, std::size_t size) {
+Result KPageTable::UnlockForDeviceAddressSpace(VAddr addr, std::size_t size) {
     KScopedLightLock lk(general_lock);
 
     KMemoryPermission perm{};
-    if (const ResultCode result{CheckMemoryState(
+    if (const Result result{CheckMemoryState(
             nullptr, &perm, nullptr, nullptr, addr, size, KMemoryState::FlagCanChangeAttribute,
             KMemoryState::FlagCanChangeAttribute, KMemoryPermission::None, KMemoryPermission::None,
             KMemoryAttribute::LockedAndIpcLocked, KMemoryAttribute::None,
@@ -1776,7 +1774,7 @@ ResultCode KPageTable::UnlockForDeviceAddressSpace(VAddr addr, std::size_t size)
     return ResultSuccess;
 }
 
-ResultCode KPageTable::LockForCodeMemory(KPageLinkedList* out, VAddr addr, std::size_t size) {
+Result KPageTable::LockForCodeMemory(KPageGroup* out, VAddr addr, std::size_t size) {
     return this->LockMemoryAndOpen(
         out, nullptr, addr, size, KMemoryState::FlagCanCodeMemory, KMemoryState::FlagCanCodeMemory,
         KMemoryPermission::All, KMemoryPermission::UserReadWrite, KMemoryAttribute::All,
@@ -1786,15 +1784,14 @@ ResultCode KPageTable::LockForCodeMemory(KPageLinkedList* out, VAddr addr, std::
         KMemoryAttribute::Locked);
 }
 
-ResultCode KPageTable::UnlockForCodeMemory(VAddr addr, std::size_t size,
-                                           const KPageLinkedList& pg) {
+Result KPageTable::UnlockForCodeMemory(VAddr addr, std::size_t size, const KPageGroup& pg) {
     return this->UnlockMemory(
         addr, size, KMemoryState::FlagCanCodeMemory, KMemoryState::FlagCanCodeMemory,
         KMemoryPermission::None, KMemoryPermission::None, KMemoryAttribute::All,
         KMemoryAttribute::Locked, KMemoryPermission::UserReadWrite, KMemoryAttribute::Locked, &pg);
 }
 
-ResultCode KPageTable::InitializeMemoryLayout(VAddr start, VAddr end) {
+Result KPageTable::InitializeMemoryLayout(VAddr start, VAddr end) {
     block_manager = std::make_unique<KMemoryBlockManager>(start, end);
 
     return ResultSuccess;
@@ -1819,7 +1816,7 @@ bool KPageTable::IsRegionContiguous(VAddr addr, u64 size) const {
 }
 
 void KPageTable::AddRegionToPages(VAddr start, std::size_t num_pages,
-                                  KPageLinkedList& page_linked_list) {
+                                  KPageGroup& page_linked_list) {
     VAddr addr{start};
     while (addr < start + (num_pages * PageSize)) {
         const PAddr paddr{GetPhysicalAddr(addr)};
@@ -1838,8 +1835,8 @@ VAddr KPageTable::AllocateVirtualMemory(VAddr start, std::size_t region_num_page
                                        IsKernel() ? 1 : 4);
 }
 
-ResultCode KPageTable::Operate(VAddr addr, std::size_t num_pages, const KPageLinkedList& page_group,
-                               OperationType operation) {
+Result KPageTable::Operate(VAddr addr, std::size_t num_pages, const KPageGroup& page_group,
+                           OperationType operation) {
     ASSERT(this->IsLockedByCurrentThread());
 
     ASSERT(Common::IsAligned(addr, PageSize));
@@ -1863,8 +1860,8 @@ ResultCode KPageTable::Operate(VAddr addr, std::size_t num_pages, const KPageLin
     return ResultSuccess;
 }
 
-ResultCode KPageTable::Operate(VAddr addr, std::size_t num_pages, KMemoryPermission perm,
-                               OperationType operation, PAddr map_addr) {
+Result KPageTable::Operate(VAddr addr, std::size_t num_pages, KMemoryPermission perm,
+                           OperationType operation, PAddr map_addr) {
     ASSERT(this->IsLockedByCurrentThread());
 
     ASSERT(num_pages > 0);
@@ -2006,10 +2003,10 @@ bool KPageTable::CanContain(VAddr addr, std::size_t size, KMemoryState state) co
     }
 }
 
-ResultCode KPageTable::CheckMemoryState(const KMemoryInfo& info, KMemoryState state_mask,
-                                        KMemoryState state, KMemoryPermission perm_mask,
-                                        KMemoryPermission perm, KMemoryAttribute attr_mask,
-                                        KMemoryAttribute attr) const {
+Result KPageTable::CheckMemoryState(const KMemoryInfo& info, KMemoryState state_mask,
+                                    KMemoryState state, KMemoryPermission perm_mask,
+                                    KMemoryPermission perm, KMemoryAttribute attr_mask,
+                                    KMemoryAttribute attr) const {
     // Validate the states match expectation.
     R_UNLESS((info.state & state_mask) == state, ResultInvalidCurrentMemory);
     R_UNLESS((info.perm & perm_mask) == perm, ResultInvalidCurrentMemory);
@@ -2018,12 +2015,11 @@ ResultCode KPageTable::CheckMemoryState(const KMemoryInfo& info, KMemoryState st
     return ResultSuccess;
 }
 
-ResultCode KPageTable::CheckMemoryStateContiguous(std::size_t* out_blocks_needed, VAddr addr,
-                                                  std::size_t size, KMemoryState state_mask,
-                                                  KMemoryState state, KMemoryPermission perm_mask,
-                                                  KMemoryPermission perm,
-                                                  KMemoryAttribute attr_mask,
-                                                  KMemoryAttribute attr) const {
+Result KPageTable::CheckMemoryStateContiguous(std::size_t* out_blocks_needed, VAddr addr,
+                                              std::size_t size, KMemoryState state_mask,
+                                              KMemoryState state, KMemoryPermission perm_mask,
+                                              KMemoryPermission perm, KMemoryAttribute attr_mask,
+                                              KMemoryAttribute attr) const {
     ASSERT(this->IsLockedByCurrentThread());
 
     // Get information about the first block.
@@ -2061,12 +2057,12 @@ ResultCode KPageTable::CheckMemoryStateContiguous(std::size_t* out_blocks_needed
     return ResultSuccess;
 }
 
-ResultCode KPageTable::CheckMemoryState(KMemoryState* out_state, KMemoryPermission* out_perm,
-                                        KMemoryAttribute* out_attr, std::size_t* out_blocks_needed,
-                                        VAddr addr, std::size_t size, KMemoryState state_mask,
-                                        KMemoryState state, KMemoryPermission perm_mask,
-                                        KMemoryPermission perm, KMemoryAttribute attr_mask,
-                                        KMemoryAttribute attr, KMemoryAttribute ignore_attr) const {
+Result KPageTable::CheckMemoryState(KMemoryState* out_state, KMemoryPermission* out_perm,
+                                    KMemoryAttribute* out_attr, std::size_t* out_blocks_needed,
+                                    VAddr addr, std::size_t size, KMemoryState state_mask,
+                                    KMemoryState state, KMemoryPermission perm_mask,
+                                    KMemoryPermission perm, KMemoryAttribute attr_mask,
+                                    KMemoryAttribute attr, KMemoryAttribute ignore_attr) const {
     ASSERT(this->IsLockedByCurrentThread());
 
     // Get information about the first block.
@@ -2123,11 +2119,11 @@ ResultCode KPageTable::CheckMemoryState(KMemoryState* out_state, KMemoryPermissi
     return ResultSuccess;
 }
 
-ResultCode KPageTable::LockMemoryAndOpen(KPageLinkedList* out_pg, PAddr* out_paddr, VAddr addr,
-                                         size_t size, KMemoryState state_mask, KMemoryState state,
-                                         KMemoryPermission perm_mask, KMemoryPermission perm,
-                                         KMemoryAttribute attr_mask, KMemoryAttribute attr,
-                                         KMemoryPermission new_perm, KMemoryAttribute lock_attr) {
+Result KPageTable::LockMemoryAndOpen(KPageGroup* out_pg, PAddr* out_paddr, VAddr addr, size_t size,
+                                     KMemoryState state_mask, KMemoryState state,
+                                     KMemoryPermission perm_mask, KMemoryPermission perm,
+                                     KMemoryAttribute attr_mask, KMemoryAttribute attr,
+                                     KMemoryPermission new_perm, KMemoryAttribute lock_attr) {
     // Validate basic preconditions.
     ASSERT((lock_attr & attr) == KMemoryAttribute::None);
     ASSERT((lock_attr & (KMemoryAttribute::IpcLocked | KMemoryAttribute::DeviceShared)) ==
@@ -2181,11 +2177,11 @@ ResultCode KPageTable::LockMemoryAndOpen(KPageLinkedList* out_pg, PAddr* out_pad
     return ResultSuccess;
 }
 
-ResultCode KPageTable::UnlockMemory(VAddr addr, size_t size, KMemoryState state_mask,
-                                    KMemoryState state, KMemoryPermission perm_mask,
-                                    KMemoryPermission perm, KMemoryAttribute attr_mask,
-                                    KMemoryAttribute attr, KMemoryPermission new_perm,
-                                    KMemoryAttribute lock_attr, const KPageLinkedList* pg) {
+Result KPageTable::UnlockMemory(VAddr addr, size_t size, KMemoryState state_mask,
+                                KMemoryState state, KMemoryPermission perm_mask,
+                                KMemoryPermission perm, KMemoryAttribute attr_mask,
+                                KMemoryAttribute attr, KMemoryPermission new_perm,
+                                KMemoryAttribute lock_attr, const KPageGroup* pg) {
     // Validate basic preconditions.
     ASSERT((attr_mask & lock_attr) == lock_attr);
     ASSERT((attr & lock_attr) == lock_attr);

src/core/hle/kernel/k_page_table.h

@@ -33,51 +33,49 @@ public:
     explicit KPageTable(Core::System& system_);
     ~KPageTable();
 
-    ResultCode InitializeForProcess(FileSys::ProgramAddressSpaceType as_type, bool enable_aslr,
-                                    VAddr code_addr, std::size_t code_size,
-                                    KMemoryManager::Pool pool);
-    ResultCode MapProcessCode(VAddr addr, std::size_t pages_count, KMemoryState state,
-                              KMemoryPermission perm);
-    ResultCode MapCodeMemory(VAddr dst_address, VAddr src_address, std::size_t size);
-    ResultCode UnmapCodeMemory(VAddr dst_address, VAddr src_address, std::size_t size,
-                               ICacheInvalidationStrategy icache_invalidation_strategy);
-    ResultCode UnmapProcessMemory(VAddr dst_addr, std::size_t size, KPageTable& src_page_table,
-                                  VAddr src_addr);
-    ResultCode MapPhysicalMemory(VAddr addr, std::size_t size);
-    ResultCode UnmapPhysicalMemory(VAddr addr, std::size_t size);
-    ResultCode MapMemory(VAddr dst_addr, VAddr src_addr, std::size_t size);
-    ResultCode UnmapMemory(VAddr dst_addr, VAddr src_addr, std::size_t size);
-    ResultCode MapPages(VAddr addr, KPageLinkedList& page_linked_list, KMemoryState state,
-                        KMemoryPermission perm);
-    ResultCode MapPages(VAddr* out_addr, std::size_t num_pages, std::size_t alignment,
-                        PAddr phys_addr, KMemoryState state, KMemoryPermission perm) {
+    Result InitializeForProcess(FileSys::ProgramAddressSpaceType as_type, bool enable_aslr,
+                                VAddr code_addr, std::size_t code_size, KMemoryManager::Pool pool);
+    Result MapProcessCode(VAddr addr, std::size_t pages_count, KMemoryState state,
+                          KMemoryPermission perm);
+    Result MapCodeMemory(VAddr dst_address, VAddr src_address, std::size_t size);
+    Result UnmapCodeMemory(VAddr dst_address, VAddr src_address, std::size_t size,
+                           ICacheInvalidationStrategy icache_invalidation_strategy);
+    Result UnmapProcessMemory(VAddr dst_addr, std::size_t size, KPageTable& src_page_table,
+                              VAddr src_addr);
+    Result MapPhysicalMemory(VAddr addr, std::size_t size);
+    Result UnmapPhysicalMemory(VAddr addr, std::size_t size);
+    Result MapMemory(VAddr dst_addr, VAddr src_addr, std::size_t size);
+    Result UnmapMemory(VAddr dst_addr, VAddr src_addr, std::size_t size);
+    Result MapPages(VAddr addr, KPageGroup& page_linked_list, KMemoryState state,
+                    KMemoryPermission perm);
+    Result MapPages(VAddr* out_addr, std::size_t num_pages, std::size_t alignment, PAddr phys_addr,
+                    KMemoryState state, KMemoryPermission perm) {
         return this->MapPages(out_addr, num_pages, alignment, phys_addr, true,
                               this->GetRegionAddress(state), this->GetRegionSize(state) / PageSize,
                               state, perm);
     }
-    ResultCode UnmapPages(VAddr addr, KPageLinkedList& page_linked_list, KMemoryState state);
-    ResultCode UnmapPages(VAddr address, std::size_t num_pages, KMemoryState state);
-    ResultCode SetProcessMemoryPermission(VAddr addr, std::size_t size,
-                                          Svc::MemoryPermission svc_perm);
+    Result UnmapPages(VAddr addr, KPageGroup& page_linked_list, KMemoryState state);
+    Result UnmapPages(VAddr address, std::size_t num_pages, KMemoryState state);
+    Result SetProcessMemoryPermission(VAddr addr, std::size_t size, Svc::MemoryPermission svc_perm);
     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, u32 mask, u32 attr);
-    ResultCode SetMaxHeapSize(std::size_t size);
-    ResultCode SetHeapSize(VAddr* out, std::size_t size);
+    Result ReserveTransferMemory(VAddr addr, std::size_t size, KMemoryPermission perm);
+    Result ResetTransferMemory(VAddr addr, std::size_t size);
+    Result SetMemoryPermission(VAddr addr, std::size_t size, Svc::MemoryPermission perm);
+    Result SetMemoryAttribute(VAddr addr, std::size_t size, u32 mask, u32 attr);
+    Result SetMaxHeapSize(std::size_t size);
+    Result 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,
                                           KMemoryPermission perm, PAddr map_addr = 0);
-    ResultCode LockForDeviceAddressSpace(VAddr addr, std::size_t size);
-    ResultCode UnlockForDeviceAddressSpace(VAddr addr, std::size_t size);
-    ResultCode LockForCodeMemory(KPageLinkedList* out, VAddr addr, std::size_t size);
-    ResultCode UnlockForCodeMemory(VAddr addr, std::size_t size, const KPageLinkedList& pg);
-    ResultCode MakeAndOpenPageGroup(KPageLinkedList* out, VAddr address, size_t num_pages,
-                                    KMemoryState state_mask, KMemoryState state,
-                                    KMemoryPermission perm_mask, KMemoryPermission perm,
-                                    KMemoryAttribute attr_mask, KMemoryAttribute attr);
+    Result LockForDeviceAddressSpace(VAddr addr, std::size_t size);
+    Result UnlockForDeviceAddressSpace(VAddr addr, std::size_t size);
+    Result LockForCodeMemory(KPageGroup* out, VAddr addr, std::size_t size);
+    Result UnlockForCodeMemory(VAddr addr, std::size_t size, const KPageGroup& pg);
+    Result MakeAndOpenPageGroup(KPageGroup* out, VAddr address, size_t num_pages,
+                                KMemoryState state_mask, KMemoryState state,
+                                KMemoryPermission perm_mask, KMemoryPermission perm,
+                                KMemoryAttribute attr_mask, KMemoryAttribute attr);
 
     Common::PageTable& PageTableImpl() {
         return page_table_impl;
@@ -102,83 +100,78 @@ private:
                                                                 KMemoryAttribute::IpcLocked |
                                                                 KMemoryAttribute::DeviceShared;
 
-    ResultCode InitializeMemoryLayout(VAddr start, VAddr end);
-    ResultCode MapPages(VAddr addr, const KPageLinkedList& page_linked_list,
-                        KMemoryPermission perm);
-    ResultCode MapPages(VAddr* out_addr, std::size_t num_pages, std::size_t alignment,
-                        PAddr phys_addr, bool is_pa_valid, VAddr region_start,
-                        std::size_t region_num_pages, KMemoryState state, KMemoryPermission perm);
-    ResultCode UnmapPages(VAddr addr, const KPageLinkedList& page_linked_list);
+    Result InitializeMemoryLayout(VAddr start, VAddr end);
+    Result MapPages(VAddr addr, const KPageGroup& page_linked_list, KMemoryPermission perm);
+    Result MapPages(VAddr* out_addr, std::size_t num_pages, std::size_t alignment, PAddr phys_addr,
+                    bool is_pa_valid, VAddr region_start, std::size_t region_num_pages,
+                    KMemoryState state, KMemoryPermission perm);
+    Result UnmapPages(VAddr addr, const KPageGroup& page_linked_list);
     bool IsRegionMapped(VAddr address, u64 size);
     bool IsRegionContiguous(VAddr addr, u64 size) const;
-    void AddRegionToPages(VAddr start, std::size_t num_pages, KPageLinkedList& page_linked_list);
+    void AddRegionToPages(VAddr start, std::size_t num_pages, KPageGroup& page_linked_list);
     KMemoryInfo QueryInfoImpl(VAddr addr);
     VAddr AllocateVirtualMemory(VAddr start, std::size_t region_num_pages, u64 needed_num_pages,
                                 std::size_t align);
-    ResultCode Operate(VAddr addr, std::size_t num_pages, const KPageLinkedList& page_group,
-                       OperationType operation);
-    ResultCode Operate(VAddr addr, std::size_t num_pages, KMemoryPermission perm,
-                       OperationType operation, PAddr map_addr = 0);
+    Result Operate(VAddr addr, std::size_t num_pages, const KPageGroup& page_group,
+                   OperationType operation);
+    Result Operate(VAddr addr, std::size_t num_pages, KMemoryPermission perm,
+                   OperationType operation, PAddr map_addr = 0);
     VAddr GetRegionAddress(KMemoryState state) const;
     std::size_t GetRegionSize(KMemoryState state) const;
 
     VAddr FindFreeArea(VAddr region_start, std::size_t region_num_pages, std::size_t num_pages,
                        std::size_t alignment, std::size_t offset, std::size_t guard_pages);
 
-    ResultCode CheckMemoryStateContiguous(std::size_t* out_blocks_needed, VAddr addr,
-                                          std::size_t size, KMemoryState state_mask,
-                                          KMemoryState state, KMemoryPermission perm_mask,
-                                          KMemoryPermission perm, KMemoryAttribute attr_mask,
-                                          KMemoryAttribute attr) const;
-    ResultCode CheckMemoryStateContiguous(VAddr addr, std::size_t size, KMemoryState state_mask,
-                                          KMemoryState state, KMemoryPermission perm_mask,
-                                          KMemoryPermission perm, KMemoryAttribute attr_mask,
-                                          KMemoryAttribute attr) const {
+    Result CheckMemoryStateContiguous(std::size_t* out_blocks_needed, VAddr addr, std::size_t size,
+                                      KMemoryState state_mask, KMemoryState state,
+                                      KMemoryPermission perm_mask, KMemoryPermission perm,
+                                      KMemoryAttribute attr_mask, KMemoryAttribute attr) const;
+    Result CheckMemoryStateContiguous(VAddr addr, std::size_t size, KMemoryState state_mask,
+                                      KMemoryState state, KMemoryPermission perm_mask,
+                                      KMemoryPermission perm, KMemoryAttribute attr_mask,
+                                      KMemoryAttribute attr) const {
         return this->CheckMemoryStateContiguous(nullptr, addr, size, state_mask, state, perm_mask,
                                                 perm, attr_mask, attr);
     }
 
-    ResultCode CheckMemoryState(const KMemoryInfo& info, KMemoryState state_mask,
-                                KMemoryState state, KMemoryPermission perm_mask,
-                                KMemoryPermission perm, KMemoryAttribute attr_mask,
-                                KMemoryAttribute attr) const;
-    ResultCode CheckMemoryState(KMemoryState* out_state, KMemoryPermission* out_perm,
-                                KMemoryAttribute* out_attr, std::size_t* out_blocks_needed,
-                                VAddr addr, std::size_t size, KMemoryState state_mask,
-                                KMemoryState state, KMemoryPermission perm_mask,
-                                KMemoryPermission perm, KMemoryAttribute attr_mask,
-                                KMemoryAttribute attr,
-                                KMemoryAttribute ignore_attr = DefaultMemoryIgnoreAttr) const;
-    ResultCode CheckMemoryState(std::size_t* out_blocks_needed, VAddr addr, std::size_t size,
-                                KMemoryState state_mask, KMemoryState state,
-                                KMemoryPermission perm_mask, KMemoryPermission perm,
-                                KMemoryAttribute attr_mask, KMemoryAttribute attr,
-                                KMemoryAttribute ignore_attr = DefaultMemoryIgnoreAttr) const {
+    Result CheckMemoryState(const KMemoryInfo& info, KMemoryState state_mask, KMemoryState state,
+                            KMemoryPermission perm_mask, KMemoryPermission perm,
+                            KMemoryAttribute attr_mask, KMemoryAttribute attr) const;
+    Result CheckMemoryState(KMemoryState* out_state, KMemoryPermission* out_perm,
+                            KMemoryAttribute* out_attr, std::size_t* out_blocks_needed, VAddr addr,
+                            std::size_t size, KMemoryState state_mask, KMemoryState state,
+                            KMemoryPermission perm_mask, KMemoryPermission perm,
+                            KMemoryAttribute attr_mask, KMemoryAttribute attr,
+                            KMemoryAttribute ignore_attr = DefaultMemoryIgnoreAttr) const;
+    Result CheckMemoryState(std::size_t* out_blocks_needed, VAddr addr, std::size_t size,
+                            KMemoryState state_mask, KMemoryState state,
+                            KMemoryPermission perm_mask, KMemoryPermission perm,
+                            KMemoryAttribute attr_mask, KMemoryAttribute attr,
+                            KMemoryAttribute ignore_attr = DefaultMemoryIgnoreAttr) const {
         return CheckMemoryState(nullptr, nullptr, nullptr, out_blocks_needed, addr, size,
                                 state_mask, state, perm_mask, perm, attr_mask, attr, ignore_attr);
     }
-    ResultCode CheckMemoryState(VAddr addr, std::size_t size, KMemoryState state_mask,
-                                KMemoryState state, KMemoryPermission perm_mask,
-                                KMemoryPermission perm, KMemoryAttribute attr_mask,
-                                KMemoryAttribute attr,
-                                KMemoryAttribute ignore_attr = DefaultMemoryIgnoreAttr) const {
+    Result CheckMemoryState(VAddr addr, std::size_t size, KMemoryState state_mask,
+                            KMemoryState state, KMemoryPermission perm_mask, KMemoryPermission perm,
+                            KMemoryAttribute attr_mask, KMemoryAttribute attr,
+                            KMemoryAttribute ignore_attr = DefaultMemoryIgnoreAttr) const {
         return this->CheckMemoryState(nullptr, addr, size, state_mask, state, perm_mask, perm,
                                       attr_mask, attr, ignore_attr);
     }
 
-    ResultCode LockMemoryAndOpen(KPageLinkedList* out_pg, PAddr* out_paddr, VAddr addr, size_t size,
-                                 KMemoryState state_mask, KMemoryState state,
-                                 KMemoryPermission perm_mask, KMemoryPermission perm,
-                                 KMemoryAttribute attr_mask, KMemoryAttribute attr,
-                                 KMemoryPermission new_perm, KMemoryAttribute lock_attr);
-    ResultCode UnlockMemory(VAddr addr, size_t size, KMemoryState state_mask, KMemoryState state,
-                            KMemoryPermission perm_mask, KMemoryPermission perm,
-                            KMemoryAttribute attr_mask, KMemoryAttribute attr,
-                            KMemoryPermission new_perm, KMemoryAttribute lock_attr,
-                            const KPageLinkedList* pg);
+    Result LockMemoryAndOpen(KPageGroup* out_pg, PAddr* out_paddr, VAddr addr, size_t size,
+                             KMemoryState state_mask, KMemoryState state,
+                             KMemoryPermission perm_mask, KMemoryPermission perm,
+                             KMemoryAttribute attr_mask, KMemoryAttribute attr,
+                             KMemoryPermission new_perm, KMemoryAttribute lock_attr);
+    Result UnlockMemory(VAddr addr, size_t size, KMemoryState state_mask, KMemoryState state,
+                        KMemoryPermission perm_mask, KMemoryPermission perm,
+                        KMemoryAttribute attr_mask, KMemoryAttribute attr,
+                        KMemoryPermission new_perm, KMemoryAttribute lock_attr,
+                        const KPageGroup* pg);
 
-    ResultCode MakePageGroup(KPageLinkedList& pg, VAddr addr, size_t num_pages);
-    bool IsValidPageGroup(const KPageLinkedList& pg, VAddr addr, size_t num_pages);
+    Result MakePageGroup(KPageGroup& pg, VAddr addr, size_t num_pages);
+    bool IsValidPageGroup(const KPageGroup& pg, VAddr addr, size_t num_pages);
 
     bool IsLockedByCurrentThread() const {
         return general_lock.IsLockedByCurrentThread();

src/core/hle/kernel/k_port.cpp

@@ -50,7 +50,7 @@ bool KPort::IsServerClosed() const {
     return state == State::ServerClosed;
 }
 
-ResultCode KPort::EnqueueSession(KServerSession* session) {
+Result KPort::EnqueueSession(KServerSession* session) {
     KScopedSchedulerLock sl{kernel};
 
     R_UNLESS(state == State::Normal, ResultPortClosed);

src/core/hle/kernel/k_port.h

@@ -34,7 +34,7 @@ public:
 
     bool IsServerClosed() const;
 
-    ResultCode EnqueueSession(KServerSession* session);
+    Result EnqueueSession(KServerSession* session);
 
     KClientPort& GetClientPort() {
         return client;

src/core/hle/kernel/k_process.cpp

@@ -57,23 +57,18 @@ void SetupMainThread(Core::System& system, KProcess& owner_process, u32 priority
     thread->GetContext64().cpu_registers[0] = 0;
     thread->GetContext32().cpu_registers[1] = thread_handle;
     thread->GetContext64().cpu_registers[1] = thread_handle;
-    thread->DisableDispatch();
 
-    auto& kernel = system.Kernel();
-    // Threads by default are dormant, wake up the main thread so it runs when the scheduler fires
-    {
-        KScopedSchedulerLock lock{kernel};
-        thread->SetState(ThreadState::Runnable);
-
-        if (system.DebuggerEnabled()) {
-            thread->RequestSuspend(SuspendType::Debug);
-        }
+    if (system.DebuggerEnabled()) {
+        thread->RequestSuspend(SuspendType::Debug);
     }
+
+    // Run our thread.
+    void(thread->Run());
 }
 } // Anonymous namespace
 
-ResultCode KProcess::Initialize(KProcess* process, Core::System& system, std::string process_name,
-                                ProcessType type, KResourceLimit* res_limit) {
+Result KProcess::Initialize(KProcess* process, Core::System& system, std::string process_name,
+                            ProcessType type, KResourceLimit* res_limit) {
     auto& kernel = system.Kernel();
 
     process->name = std::move(process_name);
@@ -181,7 +176,8 @@ void KProcess::PinCurrentThread(s32 core_id) {
     ASSERT(kernel.GlobalSchedulerContext().IsLocked());
 
     // Get the current thread.
-    KThread* cur_thread = kernel.Scheduler(static_cast<std::size_t>(core_id)).GetCurrentThread();
+    KThread* cur_thread =
+        kernel.Scheduler(static_cast<std::size_t>(core_id)).GetSchedulerCurrentThread();
 
     // If the thread isn't terminated, pin it.
     if (!cur_thread->IsTerminationRequested()) {
@@ -198,7 +194,8 @@ void KProcess::UnpinCurrentThread(s32 core_id) {
     ASSERT(kernel.GlobalSchedulerContext().IsLocked());
 
     // Get the current thread.
-    KThread* cur_thread = kernel.Scheduler(static_cast<std::size_t>(core_id)).GetCurrentThread();
+    KThread* cur_thread =
+        kernel.Scheduler(static_cast<std::size_t>(core_id)).GetSchedulerCurrentThread();
 
     // Unpin it.
     cur_thread->Unpin();
@@ -222,8 +219,8 @@ void KProcess::UnpinThread(KThread* thread) {
     KScheduler::SetSchedulerUpdateNeeded(kernel);
 }
 
-ResultCode KProcess::AddSharedMemory(KSharedMemory* shmem, [[maybe_unused]] VAddr address,
-                                     [[maybe_unused]] size_t size) {
+Result KProcess::AddSharedMemory(KSharedMemory* shmem, [[maybe_unused]] VAddr address,
+                                 [[maybe_unused]] size_t size) {
     // Lock ourselves, to prevent concurrent access.
     KScopedLightLock lk(state_lock);
 
@@ -275,15 +272,19 @@ void KProcess::RemoveSharedMemory(KSharedMemory* shmem, [[maybe_unused]] VAddr a
     shmem->Close();
 }
 
-void KProcess::RegisterThread(const KThread* thread) {
+void KProcess::RegisterThread(KThread* thread) {
+    KScopedLightLock lk{list_lock};
+
     thread_list.push_back(thread);
 }
 
-void KProcess::UnregisterThread(const KThread* thread) {
+void KProcess::UnregisterThread(KThread* thread) {
+    KScopedLightLock lk{list_lock};
+
     thread_list.remove(thread);
 }
 
-ResultCode KProcess::Reset() {
+Result KProcess::Reset() {
     // Lock the process and the scheduler.
     KScopedLightLock lk(state_lock);
     KScopedSchedulerLock sl{kernel};
@@ -297,8 +298,51 @@ ResultCode KProcess::Reset() {
     return ResultSuccess;
 }
 
-ResultCode KProcess::LoadFromMetadata(const FileSys::ProgramMetadata& metadata,
-                                      std::size_t code_size) {
+Result KProcess::SetActivity(ProcessActivity activity) {
+    // Lock ourselves and the scheduler.
+    KScopedLightLock lk{state_lock};
+    KScopedLightLock list_lk{list_lock};
+    KScopedSchedulerLock sl{kernel};
+
+    // Validate our state.
+    R_UNLESS(status != ProcessStatus::Exiting, ResultInvalidState);
+    R_UNLESS(status != ProcessStatus::Exited, ResultInvalidState);
+
+    // Either pause or resume.
+    if (activity == ProcessActivity::Paused) {
+        // Verify that we're not suspended.
+        if (is_suspended) {
+            return ResultInvalidState;
+        }
+
+        // Suspend all threads.
+        for (auto* thread : GetThreadList()) {
+            thread->RequestSuspend(SuspendType::Process);
+        }
+
+        // Set ourselves as suspended.
+        SetSuspended(true);
+    } else {
+        ASSERT(activity == ProcessActivity::Runnable);
+
+        // Verify that we're suspended.
+        if (!is_suspended) {
+            return ResultInvalidState;
+        }
+
+        // Resume all threads.
+        for (auto* thread : GetThreadList()) {
+            thread->Resume(SuspendType::Process);
+        }
+
+        // Set ourselves as resumed.
+        SetSuspended(false);
+    }
+
+    return ResultSuccess;
+}
+
+Result KProcess::LoadFromMetadata(const FileSys::ProgramMetadata& metadata, std::size_t code_size) {
     program_id = metadata.GetTitleID();
     ideal_core = metadata.GetMainThreadCore();
     is_64bit_process = metadata.Is64BitProgram();
@@ -313,24 +357,24 @@ ResultCode KProcess::LoadFromMetadata(const FileSys::ProgramMetadata& metadata,
         return ResultLimitReached;
     }
     // Initialize proces address space
-    if (const ResultCode result{
-            page_table->InitializeForProcess(metadata.GetAddressSpaceType(), false, 0x8000000,
-                                             code_size, KMemoryManager::Pool::Application)};
+    if (const Result result{page_table->InitializeForProcess(metadata.GetAddressSpaceType(), false,
+                                                             0x8000000, code_size,
+                                                             KMemoryManager::Pool::Application)};
         result.IsError()) {
         return result;
     }
 
     // Map process code region
-    if (const ResultCode result{page_table->MapProcessCode(page_table->GetCodeRegionStart(),
-                                                           code_size / PageSize, KMemoryState::Code,
-                                                           KMemoryPermission::None)};
+    if (const Result result{page_table->MapProcessCode(page_table->GetCodeRegionStart(),
+                                                       code_size / PageSize, KMemoryState::Code,
+                                                       KMemoryPermission::None)};
         result.IsError()) {
         return result;
     }
 
     // Initialize process capabilities
     const auto& caps{metadata.GetKernelCapabilities()};
-    if (const ResultCode result{
+    if (const Result result{
             capabilities.InitializeForUserProcess(caps.data(), caps.size(), *page_table)};
         result.IsError()) {
         return result;
@@ -377,11 +421,11 @@ void KProcess::PrepareForTermination() {
     ChangeStatus(ProcessStatus::Exiting);
 
     const auto stop_threads = [this](const std::vector<KThread*>& in_thread_list) {
-        for (auto& thread : in_thread_list) {
+        for (auto* thread : in_thread_list) {
             if (thread->GetOwnerProcess() != this)
                 continue;
 
-            if (thread == kernel.CurrentScheduler()->GetCurrentThread())
+            if (thread == GetCurrentThreadPointer(kernel))
                 continue;
 
             // TODO(Subv): When are the other running/ready threads terminated?
@@ -437,7 +481,7 @@ void KProcess::Finalize() {
     KAutoObjectWithSlabHeapAndContainer<KProcess, KWorkerTask>::Finalize();
 }
 
-ResultCode KProcess::CreateThreadLocalRegion(VAddr* out) {
+Result KProcess::CreateThreadLocalRegion(VAddr* out) {
     KThreadLocalPage* tlp = nullptr;
     VAddr tlr = 0;
 
@@ -488,7 +532,7 @@ ResultCode KProcess::CreateThreadLocalRegion(VAddr* out) {
     return ResultSuccess;
 }
 
-ResultCode KProcess::DeleteThreadLocalRegion(VAddr addr) {
+Result KProcess::DeleteThreadLocalRegion(VAddr addr) {
     KThreadLocalPage* page_to_free = nullptr;
 
     // Release the region.
@@ -536,6 +580,52 @@ ResultCode KProcess::DeleteThreadLocalRegion(VAddr addr) {
     return ResultSuccess;
 }
 
+bool KProcess::InsertWatchpoint(Core::System& system, VAddr addr, u64 size,
+                                DebugWatchpointType type) {
+    const auto watch{std::find_if(watchpoints.begin(), watchpoints.end(), [&](const auto& wp) {
+        return wp.type == DebugWatchpointType::None;
+    })};
+
+    if (watch == watchpoints.end()) {
+        return false;
+    }
+
+    watch->start_address = addr;
+    watch->end_address = addr + size;
+    watch->type = type;
+
+    for (VAddr page = Common::AlignDown(addr, PageSize); page < addr + size; page += PageSize) {
+        debug_page_refcounts[page]++;
+        system.Memory().MarkRegionDebug(page, PageSize, true);
+    }
+
+    return true;
+}
+
+bool KProcess::RemoveWatchpoint(Core::System& system, VAddr addr, u64 size,
+                                DebugWatchpointType type) {
+    const auto watch{std::find_if(watchpoints.begin(), watchpoints.end(), [&](const auto& wp) {
+        return wp.start_address == addr && wp.end_address == addr + size && wp.type == type;
+    })};
+
+    if (watch == watchpoints.end()) {
+        return false;
+    }
+
+    watch->start_address = 0;
+    watch->end_address = 0;
+    watch->type = DebugWatchpointType::None;
+
+    for (VAddr page = Common::AlignDown(addr, PageSize); page < addr + size; page += PageSize) {
+        debug_page_refcounts[page]--;
+        if (!debug_page_refcounts[page]) {
+            system.Memory().MarkRegionDebug(page, PageSize, false);
+        }
+    }
+
+    return true;
+}
+
 void KProcess::LoadModule(CodeSet code_set, VAddr base_addr) {
     const auto ReprotectSegment = [&](const CodeSet::Segment& segment,
                                       Svc::MemoryPermission permission) {
@@ -556,9 +646,10 @@ bool KProcess::IsSignaled() const {
 }
 
 KProcess::KProcess(KernelCore& kernel_)
-    : KAutoObjectWithSlabHeapAndContainer{kernel_},
-      page_table{std::make_unique<KPageTable>(kernel_.System())}, handle_table{kernel_},
-      address_arbiter{kernel_.System()}, condition_var{kernel_.System()}, state_lock{kernel_} {}
+    : KAutoObjectWithSlabHeapAndContainer{kernel_}, page_table{std::make_unique<KPageTable>(
+                                                        kernel_.System())},
+      handle_table{kernel_}, address_arbiter{kernel_.System()}, condition_var{kernel_.System()},
+      state_lock{kernel_}, list_lock{kernel_} {}
 
 KProcess::~KProcess() = default;
 
@@ -572,7 +663,7 @@ void KProcess::ChangeStatus(ProcessStatus new_status) {
     NotifyAvailable();
 }
 
-ResultCode KProcess::AllocateMainThreadStack(std::size_t stack_size) {
+Result KProcess::AllocateMainThreadStack(std::size_t stack_size) {
     ASSERT(stack_size);
 
     // The kernel always ensures that the given stack size is page aligned.

src/core/hle/kernel/k_process.h

@@ -7,6 +7,7 @@
 #include <array>
 #include <cstddef>
 #include <list>
+#include <map>
 #include <string>
 #include "common/common_types.h"
 #include "core/hle/kernel/k_address_arbiter.h"
@@ -63,6 +64,25 @@ enum class ProcessStatus {
     DebugBreak,
 };
 
+enum class ProcessActivity : u32 {
+    Runnable,
+    Paused,
+};
+
+enum class DebugWatchpointType : u8 {
+    None = 0,
+    Read = 1 << 0,
+    Write = 1 << 1,
+    ReadOrWrite = Read | Write,
+};
+DECLARE_ENUM_FLAG_OPERATORS(DebugWatchpointType);
+
+struct DebugWatchpoint {
+    VAddr start_address;
+    VAddr end_address;
+    DebugWatchpointType type;
+};
+
 class KProcess final : public KAutoObjectWithSlabHeapAndContainer<KProcess, KWorkerTask> {
     KERNEL_AUTOOBJECT_TRAITS(KProcess, KSynchronizationObject);
 
@@ -90,8 +110,8 @@ public:
 
     static constexpr std::size_t RANDOM_ENTROPY_SIZE = 4;
 
-    static ResultCode Initialize(KProcess* process, Core::System& system, std::string process_name,
-                                 ProcessType type, KResourceLimit* res_limit);
+    static Result Initialize(KProcess* process, Core::System& system, std::string process_name,
+                             ProcessType type, KResourceLimit* res_limit);
 
     /// Gets a reference to the process' page table.
     KPageTable& PageTable() {
@@ -113,11 +133,11 @@ public:
         return handle_table;
     }
 
-    ResultCode SignalToAddress(VAddr address) {
+    Result SignalToAddress(VAddr address) {
         return condition_var.SignalToAddress(address);
     }
 
-    ResultCode WaitForAddress(Handle handle, VAddr address, u32 tag) {
+    Result WaitForAddress(Handle handle, VAddr address, u32 tag) {
         return condition_var.WaitForAddress(handle, address, tag);
     }
 
@@ -125,17 +145,16 @@ public:
         return condition_var.Signal(cv_key, count);
     }
 
-    ResultCode WaitConditionVariable(VAddr address, u64 cv_key, u32 tag, s64 ns) {
+    Result WaitConditionVariable(VAddr address, u64 cv_key, u32 tag, s64 ns) {
         return condition_var.Wait(address, cv_key, tag, ns);
     }
 
-    ResultCode SignalAddressArbiter(VAddr address, Svc::SignalType signal_type, s32 value,
-                                    s32 count) {
+    Result SignalAddressArbiter(VAddr address, Svc::SignalType signal_type, s32 value, s32 count) {
         return address_arbiter.SignalToAddress(address, signal_type, value, count);
     }
 
-    ResultCode WaitAddressArbiter(VAddr address, Svc::ArbitrationType arb_type, s32 value,
-                                  s64 timeout) {
+    Result WaitAddressArbiter(VAddr address, Svc::ArbitrationType arb_type, s32 value,
+                              s64 timeout) {
         return address_arbiter.WaitForAddress(address, arb_type, value, timeout);
     }
 
@@ -282,17 +301,17 @@ public:
     u64 GetTotalPhysicalMemoryUsedWithoutSystemResource() const;
 
     /// Gets the list of all threads created with this process as their owner.
-    const std::list<const KThread*>& GetThreadList() const {
+    std::list<KThread*>& GetThreadList() {
         return thread_list;
     }
 
     /// Registers a thread as being created under this process,
     /// adding it to this process' thread list.
-    void RegisterThread(const KThread* thread);
+    void RegisterThread(KThread* thread);
 
     /// Unregisters a thread from this process, removing it
     /// from this process' thread list.
-    void UnregisterThread(const KThread* thread);
+    void UnregisterThread(KThread* thread);
 
     /// Clears the signaled state of the process if and only if it's signaled.
     ///
@@ -302,7 +321,7 @@ public:
     /// @pre The process must be in a signaled state. If this is called on a
     ///      process instance that is not signaled, ERR_INVALID_STATE will be
     ///      returned.
-    ResultCode Reset();
+    Result Reset();
 
     /**
      * Loads process-specifics configuration info with metadata provided
@@ -313,7 +332,7 @@ public:
      * @returns ResultSuccess if all relevant metadata was able to be
      *          loaded and parsed. Otherwise, an error code is returned.
      */
-    ResultCode LoadFromMetadata(const FileSys::ProgramMetadata& metadata, std::size_t code_size);
+    Result LoadFromMetadata(const FileSys::ProgramMetadata& metadata, std::size_t code_size);
 
     /**
      * Starts the main application thread for this process.
@@ -347,6 +366,8 @@ public:
 
     void DoWorkerTaskImpl();
 
+    Result SetActivity(ProcessActivity activity);
+
     void PinCurrentThread(s32 core_id);
     void UnpinCurrentThread(s32 core_id);
     void UnpinThread(KThread* thread);
@@ -355,17 +376,30 @@ public:
         return state_lock;
     }
 
-    ResultCode AddSharedMemory(KSharedMemory* shmem, VAddr address, size_t size);
+    Result AddSharedMemory(KSharedMemory* shmem, VAddr address, size_t size);
     void RemoveSharedMemory(KSharedMemory* shmem, VAddr address, size_t size);
 
     ///////////////////////////////////////////////////////////////////////////////////////////////
     // Thread-local storage management
 
     // Marks the next available region as used and returns the address of the slot.
-    [[nodiscard]] ResultCode CreateThreadLocalRegion(VAddr* out);
+    [[nodiscard]] Result CreateThreadLocalRegion(VAddr* out);
 
     // Frees a used TLS slot identified by the given address
-    ResultCode DeleteThreadLocalRegion(VAddr addr);
+    Result DeleteThreadLocalRegion(VAddr addr);
+
+    ///////////////////////////////////////////////////////////////////////////////////////////////
+    // Debug watchpoint management
+
+    // Attempts to insert a watchpoint into a free slot. Returns false if none are available.
+    bool InsertWatchpoint(Core::System& system, VAddr addr, u64 size, DebugWatchpointType type);
+
+    // Attempts to remove the watchpoint specified by the given parameters.
+    bool RemoveWatchpoint(Core::System& system, VAddr addr, u64 size, DebugWatchpointType type);
+
+    const std::array<DebugWatchpoint, Core::Hardware::NUM_WATCHPOINTS>& GetWatchpoints() const {
+        return watchpoints;
+    }
 
 private:
     void PinThread(s32 core_id, KThread* thread) {
@@ -388,7 +422,7 @@ private:
     void ChangeStatus(ProcessStatus new_status);
 
     /// Allocates the main thread stack for the process, given the stack size in bytes.
-    ResultCode AllocateMainThreadStack(std::size_t stack_size);
+    Result AllocateMainThreadStack(std::size_t stack_size);
 
     /// Memory manager for this process
     std::unique_ptr<KPageTable> page_table;
@@ -442,7 +476,7 @@ private:
     std::array<u64, RANDOM_ENTROPY_SIZE> random_entropy{};
 
     /// List of threads that are running with this process as their owner.
-    std::list<const KThread*> thread_list;
+    std::list<KThread*> thread_list;
 
     /// List of shared memory that are running with this process as their owner.
     std::list<KSharedMemoryInfo*> shared_memory_list;
@@ -471,10 +505,13 @@ private:
     std::array<KThread*, Core::Hardware::NUM_CPU_CORES> running_threads{};
     std::array<u64, Core::Hardware::NUM_CPU_CORES> running_thread_idle_counts{};
     std::array<KThread*, Core::Hardware::NUM_CPU_CORES> pinned_threads{};
+    std::array<DebugWatchpoint, Core::Hardware::NUM_WATCHPOINTS> watchpoints{};
+    std::map<VAddr, u64> debug_page_refcounts;
 
     KThread* exception_thread{};
 
     KLightLock state_lock;
+    KLightLock list_lock;
 
     using TLPTree =
         Common::IntrusiveRedBlackTreeBaseTraits<KThreadLocalPage>::TreeType<KThreadLocalPage>;

src/core/hle/kernel/k_readable_event.cpp

@@ -27,7 +27,7 @@ void KReadableEvent::Destroy() {
     }
 }
 
-ResultCode KReadableEvent::Signal() {
+Result KReadableEvent::Signal() {
     KScopedSchedulerLock lk{kernel};
 
     if (!is_signaled) {
@@ -38,13 +38,13 @@ ResultCode KReadableEvent::Signal() {
     return ResultSuccess;
 }
 
-ResultCode KReadableEvent::Clear() {
+Result KReadableEvent::Clear() {
     Reset();
 
     return ResultSuccess;
 }
 
-ResultCode KReadableEvent::Reset() {
+Result KReadableEvent::Reset() {
     KScopedSchedulerLock lk{kernel};
 
     if (!is_signaled) {

src/core/hle/kernel/k_readable_event.h

@@ -33,9 +33,9 @@ public:
     bool IsSignaled() const override;
     void Destroy() override;
 
-    ResultCode Signal();
-    ResultCode Clear();
-    ResultCode Reset();
+    Result Signal();
+    Result Clear();
+    Result Reset();
 
 private:
     bool is_signaled{};

src/core/hle/kernel/k_resource_limit.cpp

@@ -73,7 +73,7 @@ s64 KResourceLimit::GetFreeValue(LimitableResource which) const {
     return value;
 }
 
-ResultCode KResourceLimit::SetLimitValue(LimitableResource which, s64 value) {
+Result KResourceLimit::SetLimitValue(LimitableResource which, s64 value) {
     const auto index = static_cast<std::size_t>(which);
     KScopedLightLock lk(lock);
     R_UNLESS(current_values[index] <= value, ResultInvalidState);

src/core/hle/kernel/k_resource_limit.h

@@ -8,7 +8,7 @@
 #include "core/hle/kernel/k_light_condition_variable.h"
 #include "core/hle/kernel/k_light_lock.h"
 
-union ResultCode;
+union Result;
 
 namespace Core::Timing {
 class CoreTiming;
@@ -46,7 +46,7 @@ public:
     s64 GetPeakValue(LimitableResource which) const;
     s64 GetFreeValue(LimitableResource which) const;
 
-    ResultCode SetLimitValue(LimitableResource which, s64 value);
+    Result SetLimitValue(LimitableResource which, s64 value);
 
     bool Reserve(LimitableResource which, s64 value);
     bool Reserve(LimitableResource which, s64 value, s64 timeout);

src/core/hle/kernel/k_scheduler.cpp

@@ -317,7 +317,7 @@ void KScheduler::RotateScheduledQueue(s32 cpu_core_id, s32 priority) {
 
     {
         KThread* best_thread = priority_queue.GetScheduledFront(cpu_core_id);
-        if (best_thread == GetCurrentThread()) {
+        if (best_thread == GetCurrentThreadPointer(kernel)) {
             best_thread = priority_queue.GetScheduledNext(cpu_core_id, best_thread);
         }
 
@@ -424,7 +424,7 @@ void KScheduler::YieldWithoutCoreMigration(KernelCore& kernel) {
     ASSERT(kernel.CurrentProcess() != nullptr);
 
     // Get the current thread and process.
-    KThread& cur_thread = Kernel::GetCurrentThread(kernel);
+    KThread& cur_thread = GetCurrentThread(kernel);
     KProcess& cur_process = *kernel.CurrentProcess();
 
     // If the thread's yield count matches, there's nothing for us to do.
@@ -463,7 +463,7 @@ void KScheduler::YieldWithCoreMigration(KernelCore& kernel) {
     ASSERT(kernel.CurrentProcess() != nullptr);
 
     // Get the current thread and process.
-    KThread& cur_thread = Kernel::GetCurrentThread(kernel);
+    KThread& cur_thread = GetCurrentThread(kernel);
     KProcess& cur_process = *kernel.CurrentProcess();
 
     // If the thread's yield count matches, there's nothing for us to do.
@@ -551,7 +551,7 @@ void KScheduler::YieldToAnyThread(KernelCore& kernel) {
     ASSERT(kernel.CurrentProcess() != nullptr);
 
     // Get the current thread and process.
-    KThread& cur_thread = Kernel::GetCurrentThread(kernel);
+    KThread& cur_thread = GetCurrentThread(kernel);
     KProcess& cur_process = *kernel.CurrentProcess();
 
     // If the thread's yield count matches, there's nothing for us to do.
@@ -642,7 +642,7 @@ KScheduler::~KScheduler() {
     ASSERT(!idle_thread);
 }
 
-KThread* KScheduler::GetCurrentThread() const {
+KThread* KScheduler::GetSchedulerCurrentThread() const {
     if (auto result = current_thread.load(); result) {
         return result;
     }
@@ -654,7 +654,7 @@ u64 KScheduler::GetLastContextSwitchTicks() const {
 }
 
 void KScheduler::RescheduleCurrentCore() {
-    ASSERT(GetCurrentThread()->GetDisableDispatchCount() == 1);
+    ASSERT(GetCurrentThread(system.Kernel()).GetDisableDispatchCount() == 1);
 
     auto& phys_core = system.Kernel().PhysicalCore(core_id);
     if (phys_core.IsInterrupted()) {
@@ -665,7 +665,7 @@ void KScheduler::RescheduleCurrentCore() {
     if (state.needs_scheduling.load()) {
         Schedule();
     } else {
-        GetCurrentThread()->EnableDispatch();
+        GetCurrentThread(system.Kernel()).EnableDispatch();
         guard.Unlock();
     }
 }
@@ -710,6 +710,7 @@ void KScheduler::Reload(KThread* thread) {
     Core::ARM_Interface& cpu_core = system.ArmInterface(core_id);
     cpu_core.LoadContext(thread->GetContext32());
     cpu_core.LoadContext(thread->GetContext64());
+    cpu_core.LoadWatchpointArray(thread->GetOwnerProcess()->GetWatchpoints());
     cpu_core.SetTlsAddress(thread->GetTLSAddress());
     cpu_core.SetTPIDR_EL0(thread->GetTPIDR_EL0());
     cpu_core.ClearExclusiveState();
@@ -717,13 +718,18 @@ void KScheduler::Reload(KThread* thread) {
 
 void KScheduler::SwitchContextStep2() {
     // Load context of new thread
-    Reload(GetCurrentThread());
+    Reload(GetCurrentThreadPointer(system.Kernel()));
 
     RescheduleCurrentCore();
 }
 
+void KScheduler::Schedule() {
+    ASSERT(GetCurrentThread(system.Kernel()).GetDisableDispatchCount() == 1);
+    this->ScheduleImpl();
+}
+
 void KScheduler::ScheduleImpl() {
-    KThread* previous_thread = GetCurrentThread();
+    KThread* previous_thread = GetCurrentThreadPointer(system.Kernel());
     KThread* next_thread = state.highest_priority_thread;
 
     state.needs_scheduling.store(false);
@@ -761,6 +767,7 @@ void KScheduler::ScheduleImpl() {
     old_context = &previous_thread->GetHostContext();
 
     // Set the new thread.
+    SetCurrentThread(system.Kernel(), next_thread);
     current_thread.store(next_thread);
 
     guard.Unlock();
@@ -804,6 +811,7 @@ void KScheduler::SwitchToCurrent() {
                 }
             }
             auto thread = next_thread ? next_thread : idle_thread;
+            SetCurrentThread(system.Kernel(), thread);
             Common::Fiber::YieldTo(switch_fiber, *thread->GetHostContext());
         } while (!is_switch_pending());
     }
@@ -829,6 +837,7 @@ void KScheduler::Initialize() {
     idle_thread = KThread::Create(system.Kernel());
     ASSERT(KThread::InitializeIdleThread(system, idle_thread, core_id).IsSuccess());
     idle_thread->SetName(fmt::format("IdleThread:{}", core_id));
+    idle_thread->EnableDispatch();
 }
 
 KScopedSchedulerLock::KScopedSchedulerLock(KernelCore& kernel)

src/core/hle/kernel/k_scheduler.h

@@ -48,18 +48,13 @@ public:
     void Reload(KThread* thread);
 
     /// Gets the current running thread
-    [[nodiscard]] KThread* GetCurrentThread() const;
+    [[nodiscard]] KThread* GetSchedulerCurrentThread() const;
 
     /// Gets the idle thread
     [[nodiscard]] KThread* GetIdleThread() const {
         return idle_thread;
     }
 
-    /// Returns true if the scheduler is idle
-    [[nodiscard]] bool IsIdle() const {
-        return GetCurrentThread() == idle_thread;
-    }
-
     /// Gets the timestamp for the last context switch in ticks.
     [[nodiscard]] u64 GetLastContextSwitchTicks() const;
 
@@ -149,10 +144,7 @@ private:
 
     void RotateScheduledQueue(s32 cpu_core_id, s32 priority);
 
-    void Schedule() {
-        ASSERT(GetCurrentThread()->GetDisableDispatchCount() == 1);
-        this->ScheduleImpl();
-    }
+    void Schedule();
 
     /// Switches the CPU's active thread context to that of the specified thread
     void ScheduleImpl();

src/core/hle/kernel/k_server_session.cpp

@@ -79,7 +79,7 @@ std::size_t KServerSession::NumDomainRequestHandlers() const {
     return manager->DomainHandlerCount();
 }
 
-ResultCode KServerSession::HandleDomainSyncRequest(Kernel::HLERequestContext& context) {
+Result KServerSession::HandleDomainSyncRequest(Kernel::HLERequestContext& context) {
     if (!context.HasDomainMessageHeader()) {
         return ResultSuccess;
     }
@@ -123,7 +123,7 @@ ResultCode KServerSession::HandleDomainSyncRequest(Kernel::HLERequestContext& co
     return ResultSuccess;
 }
 
-ResultCode KServerSession::QueueSyncRequest(KThread* thread, Core::Memory::Memory& memory) {
+Result KServerSession::QueueSyncRequest(KThread* thread, Core::Memory::Memory& memory) {
     u32* cmd_buf{reinterpret_cast<u32*>(memory.GetPointer(thread->GetTLSAddress()))};
     auto context = std::make_shared<HLERequestContext>(kernel, memory, this, thread);
 
@@ -143,8 +143,8 @@ ResultCode KServerSession::QueueSyncRequest(KThread* thread, Core::Memory::Memor
     return ResultSuccess;
 }
 
-ResultCode KServerSession::CompleteSyncRequest(HLERequestContext& context) {
-    ResultCode result = ResultSuccess;
+Result KServerSession::CompleteSyncRequest(HLERequestContext& context) {
+    Result result = ResultSuccess;
 
     // If the session has been converted to a domain, handle the domain request
     if (manager->HasSessionRequestHandler(context)) {
@@ -173,8 +173,8 @@ ResultCode KServerSession::CompleteSyncRequest(HLERequestContext& context) {
     return result;
 }
 
-ResultCode KServerSession::HandleSyncRequest(KThread* thread, Core::Memory::Memory& memory,
-                                             Core::Timing::CoreTiming& core_timing) {
+Result KServerSession::HandleSyncRequest(KThread* thread, Core::Memory::Memory& memory,
+                                         Core::Timing::CoreTiming& core_timing) {
     return QueueSyncRequest(thread, memory);
 }
 

src/core/hle/kernel/k_server_session.h

@@ -73,10 +73,10 @@ public:
      * @param memory      Memory context to handle the sync request under.
      * @param core_timing Core timing context to schedule the request event under.
      *
-     * @returns ResultCode from the operation.
+     * @returns Result from the operation.
      */
-    ResultCode HandleSyncRequest(KThread* thread, Core::Memory::Memory& memory,
-                                 Core::Timing::CoreTiming& core_timing);
+    Result HandleSyncRequest(KThread* thread, Core::Memory::Memory& memory,
+                             Core::Timing::CoreTiming& core_timing);
 
     /// Adds a new domain request handler to the collection of request handlers within
     /// this ServerSession instance.
@@ -103,14 +103,14 @@ public:
 
 private:
     /// Queues a sync request from the emulated application.
-    ResultCode QueueSyncRequest(KThread* thread, Core::Memory::Memory& memory);
+    Result QueueSyncRequest(KThread* thread, Core::Memory::Memory& memory);
 
     /// Completes a sync request from the emulated application.
-    ResultCode CompleteSyncRequest(HLERequestContext& context);
+    Result CompleteSyncRequest(HLERequestContext& context);
 
     /// Handles a SyncRequest to a domain, forwarding the request to the proper object or closing an
     /// object handle.
-    ResultCode HandleDomainSyncRequest(Kernel::HLERequestContext& context);
+    Result HandleDomainSyncRequest(Kernel::HLERequestContext& context);
 
     /// This session's HLE request handlers
     std::shared_ptr<SessionRequestManager> manager;

src/core/hle/kernel/k_shared_memory.cpp

@@ -18,12 +18,10 @@ KSharedMemory::~KSharedMemory() {
     kernel.GetSystemResourceLimit()->Release(LimitableResource::PhysicalMemory, size);
 }
 
-ResultCode KSharedMemory::Initialize(Core::DeviceMemory& device_memory_, KProcess* owner_process_,
-                                     KPageLinkedList&& page_list_,
-                                     Svc::MemoryPermission owner_permission_,
-                                     Svc::MemoryPermission user_permission_,
-                                     PAddr physical_address_, std::size_t size_,
-                                     std::string name_) {
+Result KSharedMemory::Initialize(Core::DeviceMemory& device_memory_, KProcess* owner_process_,
+                                 KPageGroup&& page_list_, Svc::MemoryPermission owner_permission_,
+                                 Svc::MemoryPermission user_permission_, PAddr physical_address_,
+                                 std::size_t size_, std::string name_) {
     // Set members.
     owner_process = owner_process_;
     device_memory = &device_memory_;
@@ -67,8 +65,8 @@ void KSharedMemory::Finalize() {
     KAutoObjectWithSlabHeapAndContainer<KSharedMemory, KAutoObjectWithList>::Finalize();
 }
 
-ResultCode KSharedMemory::Map(KProcess& target_process, VAddr address, std::size_t map_size,
-                              Svc::MemoryPermission permissions) {
+Result KSharedMemory::Map(KProcess& target_process, VAddr address, std::size_t map_size,
+                          Svc::MemoryPermission permissions) {
     const u64 page_count{(map_size + PageSize - 1) / PageSize};
 
     if (page_list.GetNumPages() != page_count) {
@@ -86,7 +84,7 @@ ResultCode KSharedMemory::Map(KProcess& target_process, VAddr address, std::size
                                                ConvertToKMemoryPermission(permissions));
 }
 
-ResultCode KSharedMemory::Unmap(KProcess& target_process, VAddr address, std::size_t unmap_size) {
+Result KSharedMemory::Unmap(KProcess& target_process, VAddr address, std::size_t unmap_size) {
     const u64 page_count{(unmap_size + PageSize - 1) / PageSize};
 
     if (page_list.GetNumPages() != page_count) {

src/core/hle/kernel/k_shared_memory.h

@@ -9,7 +9,7 @@
 #include "common/common_types.h"
 #include "core/device_memory.h"
 #include "core/hle/kernel/k_memory_block.h"
-#include "core/hle/kernel/k_page_linked_list.h"
+#include "core/hle/kernel/k_page_group.h"
 #include "core/hle/kernel/k_process.h"
 #include "core/hle/kernel/slab_helpers.h"
 #include "core/hle/result.h"
@@ -26,10 +26,10 @@ public:
     explicit KSharedMemory(KernelCore& kernel_);
     ~KSharedMemory() override;
 
-    ResultCode Initialize(Core::DeviceMemory& device_memory_, KProcess* owner_process_,
-                          KPageLinkedList&& page_list_, Svc::MemoryPermission owner_permission_,
-                          Svc::MemoryPermission user_permission_, PAddr physical_address_,
-                          std::size_t size_, std::string name_);
+    Result Initialize(Core::DeviceMemory& device_memory_, KProcess* owner_process_,
+                      KPageGroup&& page_list_, Svc::MemoryPermission owner_permission_,
+                      Svc::MemoryPermission user_permission_, PAddr physical_address_,
+                      std::size_t size_, std::string name_);
 
     /**
      * Maps a shared memory block to an address in the target process' address space
@@ -38,8 +38,8 @@ public:
      * @param map_size Size of the shared memory block to map
      * @param permissions Memory block map permissions (specified by SVC field)
      */
-    ResultCode Map(KProcess& target_process, VAddr address, std::size_t map_size,
-                   Svc::MemoryPermission permissions);
+    Result Map(KProcess& target_process, VAddr address, std::size_t map_size,
+               Svc::MemoryPermission permissions);
 
     /**
      * Unmaps a shared memory block from an address in the target process' address space
@@ -47,7 +47,7 @@ public:
      * @param address Address in system memory to unmap shared memory block
      * @param unmap_size Size of the shared memory block to unmap
      */
-    ResultCode Unmap(KProcess& target_process, VAddr address, std::size_t unmap_size);
+    Result Unmap(KProcess& target_process, VAddr address, std::size_t unmap_size);
 
     /**
      * Gets a pointer to the shared memory block
@@ -77,7 +77,7 @@ public:
 private:
     Core::DeviceMemory* device_memory;
     KProcess* owner_process{};
-    KPageLinkedList page_list;
+    KPageGroup page_list;
     Svc::MemoryPermission owner_permission{};
     Svc::MemoryPermission user_permission{};
     PAddr physical_address{};

src/core/hle/kernel/k_synchronization_object.cpp

@@ -22,7 +22,7 @@ public:
         : KThreadQueueWithoutEndWait(kernel_), m_objects(o), m_nodes(n), m_count(c) {}
 
     void NotifyAvailable(KThread* waiting_thread, KSynchronizationObject* signaled_object,
-                         ResultCode wait_result) override {
+                         Result wait_result) override {
         // Determine the sync index, and unlink all nodes.
         s32 sync_index = -1;
         for (auto i = 0; i < m_count; ++i) {
@@ -45,8 +45,7 @@ public:
         KThreadQueue::EndWait(waiting_thread, wait_result);
     }
 
-    void CancelWait(KThread* waiting_thread, ResultCode wait_result,
-                    bool cancel_timer_task) override {
+    void CancelWait(KThread* waiting_thread, Result wait_result, bool cancel_timer_task) override {
         // Remove all nodes from our list.
         for (auto i = 0; i < m_count; ++i) {
             m_objects[i]->UnlinkNode(std::addressof(m_nodes[i]));
@@ -72,9 +71,9 @@ void KSynchronizationObject::Finalize() {
     KAutoObject::Finalize();
 }
 
-ResultCode KSynchronizationObject::Wait(KernelCore& kernel_ctx, s32* out_index,
-                                        KSynchronizationObject** objects, const s32 num_objects,
-                                        s64 timeout) {
+Result KSynchronizationObject::Wait(KernelCore& kernel_ctx, s32* out_index,
+                                    KSynchronizationObject** objects, const s32 num_objects,
+                                    s64 timeout) {
     // Allocate space on stack for thread nodes.
     std::vector<ThreadListNode> thread_nodes(num_objects);
 
@@ -148,7 +147,7 @@ KSynchronizationObject::KSynchronizationObject(KernelCore& kernel_)
 
 KSynchronizationObject::~KSynchronizationObject() = default;
 
-void KSynchronizationObject::NotifyAvailable(ResultCode result) {
+void KSynchronizationObject::NotifyAvailable(Result result) {
     KScopedSchedulerLock sl(kernel);
 
     // If we're not signaled, we've nothing to notify.

src/core/hle/kernel/k_synchronization_object.h

@@ -24,9 +24,9 @@ public:
         KThread* thread{};
     };
 
-    [[nodiscard]] static ResultCode Wait(KernelCore& kernel, s32* out_index,
-                                         KSynchronizationObject** objects, const s32 num_objects,
-                                         s64 timeout);
+    [[nodiscard]] static Result Wait(KernelCore& kernel, s32* out_index,
+                                     KSynchronizationObject** objects, const s32 num_objects,
+                                     s64 timeout);
 
     void Finalize() override;
 
@@ -72,7 +72,7 @@ protected:
 
     virtual void OnFinalizeSynchronizationObject() {}
 
-    void NotifyAvailable(ResultCode result);
+    void NotifyAvailable(Result result);
     void NotifyAvailable() {
         return this->NotifyAvailable(ResultSuccess);
     }

src/core/hle/kernel/k_thread.cpp

@@ -80,8 +80,7 @@ public:
     explicit ThreadQueueImplForKThreadSetProperty(KernelCore& kernel_, KThread::WaiterList* wl)
         : KThreadQueue(kernel_), m_wait_list(wl) {}
 
-    void CancelWait(KThread* waiting_thread, ResultCode wait_result,
-                    bool cancel_timer_task) override {
+    void CancelWait(KThread* waiting_thread, Result wait_result, bool cancel_timer_task) override {
         // Remove the thread from the wait list.
         m_wait_list->erase(m_wait_list->iterator_to(*waiting_thread));
 
@@ -99,8 +98,8 @@ KThread::KThread(KernelCore& kernel_)
     : KAutoObjectWithSlabHeapAndContainer{kernel_}, activity_pause_lock{kernel_} {}
 KThread::~KThread() = default;
 
-ResultCode KThread::Initialize(KThreadFunction func, uintptr_t arg, VAddr user_stack_top, s32 prio,
-                               s32 virt_core, KProcess* owner, ThreadType type) {
+Result KThread::Initialize(KThreadFunction func, uintptr_t arg, VAddr user_stack_top, s32 prio,
+                           s32 virt_core, KProcess* owner, ThreadType type) {
     // Assert parameters are valid.
     ASSERT((type == ThreadType::Main) || (type == ThreadType::Dummy) ||
            (Svc::HighestThreadPriority <= prio && prio <= Svc::LowestThreadPriority));
@@ -225,7 +224,7 @@ ResultCode KThread::Initialize(KThreadFunction func, uintptr_t arg, VAddr user_s
     // Setup the stack parameters.
     StackParameters& sp = GetStackParameters();
     sp.cur_thread = this;
-    sp.disable_count = 0;
+    sp.disable_count = 1;
     SetInExceptionHandler();
 
     // Set thread ID.
@@ -245,10 +244,10 @@ ResultCode KThread::Initialize(KThreadFunction func, uintptr_t arg, VAddr user_s
     return ResultSuccess;
 }
 
-ResultCode KThread::InitializeThread(KThread* thread, KThreadFunction func, uintptr_t arg,
-                                     VAddr user_stack_top, s32 prio, s32 core, KProcess* owner,
-                                     ThreadType type, std::function<void(void*)>&& init_func,
-                                     void* init_func_parameter) {
+Result KThread::InitializeThread(KThread* thread, KThreadFunction func, uintptr_t arg,
+                                 VAddr user_stack_top, s32 prio, s32 core, KProcess* owner,
+                                 ThreadType type, std::function<void(void*)>&& init_func,
+                                 void* init_func_parameter) {
     // Initialize the thread.
     R_TRY(thread->Initialize(func, arg, user_stack_top, prio, core, owner, type));
 
@@ -260,31 +259,30 @@ ResultCode KThread::InitializeThread(KThread* thread, KThreadFunction func, uint
     return ResultSuccess;
 }
 
-ResultCode KThread::InitializeDummyThread(KThread* thread) {
+Result KThread::InitializeDummyThread(KThread* thread) {
     return thread->Initialize({}, {}, {}, DummyThreadPriority, 3, {}, ThreadType::Dummy);
 }
 
-ResultCode KThread::InitializeIdleThread(Core::System& system, KThread* thread, s32 virt_core) {
+Result KThread::InitializeIdleThread(Core::System& system, KThread* thread, s32 virt_core) {
     return InitializeThread(thread, {}, {}, {}, IdleThreadPriority, virt_core, {}, ThreadType::Main,
                             Core::CpuManager::GetIdleThreadStartFunc(),
-                            system.GetCpuManager().GetStartFuncParamater());
+                            system.GetCpuManager().GetStartFuncParameter());
 }
 
-ResultCode KThread::InitializeHighPriorityThread(Core::System& system, KThread* thread,
-                                                 KThreadFunction func, uintptr_t arg,
-                                                 s32 virt_core) {
+Result KThread::InitializeHighPriorityThread(Core::System& system, KThread* thread,
+                                             KThreadFunction func, uintptr_t arg, s32 virt_core) {
     return InitializeThread(thread, func, arg, {}, {}, virt_core, nullptr, ThreadType::HighPriority,
-                            Core::CpuManager::GetSuspendThreadStartFunc(),
-                            system.GetCpuManager().GetStartFuncParamater());
+                            Core::CpuManager::GetShutdownThreadStartFunc(),
+                            system.GetCpuManager().GetStartFuncParameter());
 }
 
-ResultCode KThread::InitializeUserThread(Core::System& system, KThread* thread,
-                                         KThreadFunction func, uintptr_t arg, VAddr user_stack_top,
-                                         s32 prio, s32 virt_core, KProcess* owner) {
+Result KThread::InitializeUserThread(Core::System& system, KThread* thread, KThreadFunction func,
+                                     uintptr_t arg, VAddr user_stack_top, s32 prio, s32 virt_core,
+                                     KProcess* owner) {
     system.Kernel().GlobalSchedulerContext().AddThread(thread);
     return InitializeThread(thread, func, arg, user_stack_top, prio, virt_core, owner,
                             ThreadType::User, Core::CpuManager::GetGuestThreadStartFunc(),
-                            system.GetCpuManager().GetStartFuncParamater());
+                            system.GetCpuManager().GetStartFuncParameter());
 }
 
 void KThread::PostDestroy(uintptr_t arg) {
@@ -382,7 +380,7 @@ void KThread::FinishTermination() {
         for (std::size_t i = 0; i < static_cast<std::size_t>(Core::Hardware::NUM_CPU_CORES); ++i) {
             KThread* core_thread{};
             do {
-                core_thread = kernel.Scheduler(i).GetCurrentThread();
+                core_thread = kernel.Scheduler(i).GetSchedulerCurrentThread();
             } while (core_thread == this);
         }
     }
@@ -523,7 +521,7 @@ void KThread::ClearInterruptFlag() {
     memory.Write16(tls_address + offsetof(ThreadLocalRegion, interrupt_flag), 0);
 }
 
-ResultCode KThread::GetCoreMask(s32* out_ideal_core, u64* out_affinity_mask) {
+Result KThread::GetCoreMask(s32* out_ideal_core, u64* out_affinity_mask) {
     KScopedSchedulerLock sl{kernel};
 
     // Get the virtual mask.
@@ -533,7 +531,7 @@ ResultCode KThread::GetCoreMask(s32* out_ideal_core, u64* out_affinity_mask) {
     return ResultSuccess;
 }
 
-ResultCode KThread::GetPhysicalCoreMask(s32* out_ideal_core, u64* out_affinity_mask) {
+Result KThread::GetPhysicalCoreMask(s32* out_ideal_core, u64* out_affinity_mask) {
     KScopedSchedulerLock sl{kernel};
     ASSERT(num_core_migration_disables >= 0);
 
@@ -549,7 +547,7 @@ ResultCode KThread::GetPhysicalCoreMask(s32* out_ideal_core, u64* out_affinity_m
     return ResultSuccess;
 }
 
-ResultCode KThread::SetCoreMask(s32 core_id_, u64 v_affinity_mask) {
+Result KThread::SetCoreMask(s32 core_id_, u64 v_affinity_mask) {
     ASSERT(parent != nullptr);
     ASSERT(v_affinity_mask != 0);
     KScopedLightLock lk(activity_pause_lock);
@@ -631,7 +629,7 @@ ResultCode KThread::SetCoreMask(s32 core_id_, u64 v_affinity_mask) {
             s32 thread_core;
             for (thread_core = 0; thread_core < static_cast<s32>(Core::Hardware::NUM_CPU_CORES);
                  ++thread_core) {
-                if (kernel.Scheduler(thread_core).GetCurrentThread() == this) {
+                if (kernel.Scheduler(thread_core).GetSchedulerCurrentThread() == this) {
                     thread_is_current = true;
                     break;
                 }
@@ -748,7 +746,20 @@ void KThread::Continue() {
     KScheduler::OnThreadStateChanged(kernel, this, old_state);
 }
 
-ResultCode KThread::SetActivity(Svc::ThreadActivity activity) {
+void KThread::WaitUntilSuspended() {
+    // Make sure we have a suspend requested.
+    ASSERT(IsSuspendRequested());
+
+    // Loop until the thread is not executing on any core.
+    for (std::size_t i = 0; i < static_cast<std::size_t>(Core::Hardware::NUM_CPU_CORES); ++i) {
+        KThread* core_thread{};
+        do {
+            core_thread = kernel.Scheduler(i).GetSchedulerCurrentThread();
+        } while (core_thread == this);
+    }
+}
+
+Result KThread::SetActivity(Svc::ThreadActivity activity) {
     // Lock ourselves.
     KScopedLightLock lk(activity_pause_lock);
 
@@ -809,7 +820,7 @@ ResultCode KThread::SetActivity(Svc::ThreadActivity activity) {
                 // Check if the thread is currently running.
                 // If it is, we'll need to retry.
                 for (auto i = 0; i < static_cast<s32>(Core::Hardware::NUM_CPU_CORES); ++i) {
-                    if (kernel.Scheduler(i).GetCurrentThread() == this) {
+                    if (kernel.Scheduler(i).GetSchedulerCurrentThread() == this) {
                         thread_is_current = true;
                         break;
                     }
@@ -821,7 +832,7 @@ ResultCode KThread::SetActivity(Svc::ThreadActivity activity) {
     return ResultSuccess;
 }
 
-ResultCode KThread::GetThreadContext3(std::vector<u8>& out) {
+Result KThread::GetThreadContext3(std::vector<u8>& out) {
     // Lock ourselves.
     KScopedLightLock lk{activity_pause_lock};
 
@@ -986,7 +997,7 @@ KThread* KThread::RemoveWaiterByKey(s32* out_num_waiters, VAddr key) {
     return next_lock_owner;
 }
 
-ResultCode KThread::Run() {
+Result KThread::Run() {
     while (true) {
         KScopedSchedulerLock lk{kernel};
 
@@ -1014,8 +1025,6 @@ ResultCode KThread::Run() {
         // Set our state and finish.
         SetState(ThreadState::Runnable);
 
-        DisableDispatch();
-
         return ResultSuccess;
     }
 }
@@ -1049,7 +1058,7 @@ void KThread::Exit() {
     }
 }
 
-ResultCode KThread::Sleep(s64 timeout) {
+Result KThread::Sleep(s64 timeout) {
     ASSERT(!kernel.GlobalSchedulerContext().IsLocked());
     ASSERT(this == GetCurrentThreadPointer(kernel));
     ASSERT(timeout > 0);
@@ -1105,7 +1114,7 @@ void KThread::BeginWait(KThreadQueue* queue) {
     wait_queue = queue;
 }
 
-void KThread::NotifyAvailable(KSynchronizationObject* signaled_object, ResultCode wait_result_) {
+void KThread::NotifyAvailable(KSynchronizationObject* signaled_object, Result wait_result_) {
     // Lock the scheduler.
     KScopedSchedulerLock sl(kernel);
 
@@ -1115,7 +1124,7 @@ void KThread::NotifyAvailable(KSynchronizationObject* signaled_object, ResultCod
     }
 }
 
-void KThread::EndWait(ResultCode wait_result_) {
+void KThread::EndWait(Result wait_result_) {
     // Lock the scheduler.
     KScopedSchedulerLock sl(kernel);
 
@@ -1134,7 +1143,7 @@ void KThread::EndWait(ResultCode wait_result_) {
     }
 }
 
-void KThread::CancelWait(ResultCode wait_result_, bool cancel_timer_task) {
+void KThread::CancelWait(Result wait_result_, bool cancel_timer_task) {
     // Lock the scheduler.
     KScopedSchedulerLock sl(kernel);
 
@@ -1164,6 +1173,10 @@ std::shared_ptr<Common::Fiber>& KThread::GetHostContext() {
     return host_context;
 }
 
+void SetCurrentThread(KernelCore& kernel, KThread* thread) {
+    kernel.SetCurrentEmuThread(thread);
+}
+
 KThread* GetCurrentThreadPointer(KernelCore& kernel) {
     return kernel.GetCurrentEmuThread();
 }

src/core/hle/kernel/k_thread.h

@@ -106,6 +106,7 @@ enum class StepState : u32 {
     StepPerformed, ///< Thread has stepped, waiting to be scheduled again
 };
 
+void SetCurrentThread(KernelCore& kernel, KThread* thread);
 [[nodiscard]] KThread* GetCurrentThreadPointer(KernelCore& kernel);
 [[nodiscard]] KThread& GetCurrentThread(KernelCore& kernel);
 [[nodiscard]] s32 GetCurrentCoreId(KernelCore& kernel);
@@ -175,7 +176,7 @@ public:
 
     void SetBasePriority(s32 value);
 
-    [[nodiscard]] ResultCode Run();
+    [[nodiscard]] Result Run();
 
     void Exit();
 
@@ -207,6 +208,8 @@ public:
 
     void Continue();
 
+    void WaitUntilSuspended();
+
     constexpr void SetSyncedIndex(s32 index) {
         synced_index = index;
     }
@@ -215,11 +218,11 @@ public:
         return synced_index;
     }
 
-    constexpr void SetWaitResult(ResultCode wait_res) {
+    constexpr void SetWaitResult(Result wait_res) {
         wait_result = wait_res;
     }
 
-    [[nodiscard]] constexpr ResultCode GetWaitResult() const {
+    [[nodiscard]] constexpr Result GetWaitResult() const {
         return wait_result;
     }
 
@@ -342,15 +345,15 @@ public:
         return physical_affinity_mask;
     }
 
-    [[nodiscard]] ResultCode GetCoreMask(s32* out_ideal_core, u64* out_affinity_mask);
+    [[nodiscard]] Result GetCoreMask(s32* out_ideal_core, u64* out_affinity_mask);
 
-    [[nodiscard]] ResultCode GetPhysicalCoreMask(s32* out_ideal_core, u64* out_affinity_mask);
+    [[nodiscard]] Result GetPhysicalCoreMask(s32* out_ideal_core, u64* out_affinity_mask);
 
-    [[nodiscard]] ResultCode SetCoreMask(s32 cpu_core_id, u64 v_affinity_mask);
+    [[nodiscard]] Result SetCoreMask(s32 cpu_core_id, u64 v_affinity_mask);
 
-    [[nodiscard]] ResultCode SetActivity(Svc::ThreadActivity activity);
+    [[nodiscard]] Result SetActivity(Svc::ThreadActivity activity);
 
-    [[nodiscard]] ResultCode Sleep(s64 timeout);
+    [[nodiscard]] Result Sleep(s64 timeout);
 
     [[nodiscard]] s64 GetYieldScheduleCount() const {
         return schedule_count;
@@ -408,20 +411,19 @@ public:
 
     static void PostDestroy(uintptr_t arg);
 
-    [[nodiscard]] static ResultCode InitializeDummyThread(KThread* thread);
+    [[nodiscard]] static Result InitializeDummyThread(KThread* thread);
 
-    [[nodiscard]] static ResultCode InitializeIdleThread(Core::System& system, KThread* thread,
-                                                         s32 virt_core);
+    [[nodiscard]] static Result InitializeIdleThread(Core::System& system, KThread* thread,
+                                                     s32 virt_core);
 
-    [[nodiscard]] static ResultCode InitializeHighPriorityThread(Core::System& system,
-                                                                 KThread* thread,
-                                                                 KThreadFunction func,
-                                                                 uintptr_t arg, s32 virt_core);
+    [[nodiscard]] static Result InitializeHighPriorityThread(Core::System& system, KThread* thread,
+                                                             KThreadFunction func, uintptr_t arg,
+                                                             s32 virt_core);
 
-    [[nodiscard]] static ResultCode InitializeUserThread(Core::System& system, KThread* thread,
-                                                         KThreadFunction func, uintptr_t arg,
-                                                         VAddr user_stack_top, s32 prio,
-                                                         s32 virt_core, KProcess* owner);
+    [[nodiscard]] static Result InitializeUserThread(Core::System& system, KThread* thread,
+                                                     KThreadFunction func, uintptr_t arg,
+                                                     VAddr user_stack_top, s32 prio, s32 virt_core,
+                                                     KProcess* owner);
 
 public:
     struct StackParameters {
@@ -607,7 +609,7 @@ public:
 
     void RemoveWaiter(KThread* thread);
 
-    [[nodiscard]] ResultCode GetThreadContext3(std::vector<u8>& out);
+    [[nodiscard]] Result GetThreadContext3(std::vector<u8>& out);
 
     [[nodiscard]] KThread* RemoveWaiterByKey(s32* out_num_waiters, VAddr key);
 
@@ -633,9 +635,9 @@ public:
     }
 
     void BeginWait(KThreadQueue* queue);
-    void NotifyAvailable(KSynchronizationObject* signaled_object, ResultCode wait_result_);
-    void EndWait(ResultCode wait_result_);
-    void CancelWait(ResultCode wait_result_, bool cancel_timer_task);
+    void NotifyAvailable(KSynchronizationObject* signaled_object, Result wait_result_);
+    void EndWait(Result wait_result_);
+    void CancelWait(Result wait_result_, bool cancel_timer_task);
 
     [[nodiscard]] bool HasWaiters() const {
         return !waiter_list.empty();
@@ -721,14 +723,14 @@ private:
 
     void FinishTermination();
 
-    [[nodiscard]] ResultCode Initialize(KThreadFunction func, uintptr_t arg, VAddr user_stack_top,
-                                        s32 prio, s32 virt_core, KProcess* owner, ThreadType type);
+    [[nodiscard]] Result Initialize(KThreadFunction func, uintptr_t arg, VAddr user_stack_top,
+                                    s32 prio, s32 virt_core, KProcess* owner, ThreadType type);
 
-    [[nodiscard]] static ResultCode InitializeThread(KThread* thread, KThreadFunction func,
-                                                     uintptr_t arg, VAddr user_stack_top, s32 prio,
-                                                     s32 core, KProcess* owner, ThreadType type,
-                                                     std::function<void(void*)>&& init_func,
-                                                     void* init_func_parameter);
+    [[nodiscard]] static Result InitializeThread(KThread* thread, KThreadFunction func,
+                                                 uintptr_t arg, VAddr user_stack_top, s32 prio,
+                                                 s32 core, KProcess* owner, ThreadType type,
+                                                 std::function<void(void*)>&& init_func,
+                                                 void* init_func_parameter);
 
     static void RestorePriority(KernelCore& kernel_ctx, KThread* thread);
 
@@ -765,7 +767,7 @@ private:
     u32 suspend_request_flags{};
     u32 suspend_allowed_flags{};
     s32 synced_index{};
-    ResultCode wait_result{ResultSuccess};
+    Result wait_result{ResultSuccess};
     s32 base_priority{};
     s32 physical_ideal_core_id{};
     s32 virtual_ideal_core_id{};

src/core/hle/kernel/k_thread_local_page.cpp

@@ -13,7 +13,7 @@
 
 namespace Kernel {
 
-ResultCode KThreadLocalPage::Initialize(KernelCore& kernel, KProcess* process) {
+Result KThreadLocalPage::Initialize(KernelCore& kernel, KProcess* process) {
     // Set that this process owns us.
     m_owner = process;
     m_kernel = &kernel;
@@ -35,7 +35,7 @@ ResultCode KThreadLocalPage::Initialize(KernelCore& kernel, KProcess* process) {
     return ResultSuccess;
 }
 
-ResultCode KThreadLocalPage::Finalize() {
+Result KThreadLocalPage::Finalize() {
     // Get the physical address of the page.
     const PAddr phys_addr = m_owner->PageTable().GetPhysicalAddr(m_virt_addr);
     ASSERT(phys_addr);

src/core/hle/kernel/k_thread_local_page.h

@@ -34,8 +34,8 @@ public:
         return m_virt_addr;
     }
 
-    ResultCode Initialize(KernelCore& kernel, KProcess* process);
-    ResultCode Finalize();
+    Result Initialize(KernelCore& kernel, KProcess* process);
+    Result Finalize();
 
     VAddr Reserve();
     void Release(VAddr addr);

src/core/hle/kernel/k_thread_queue.cpp

@@ -9,9 +9,9 @@ namespace Kernel {
 
 void KThreadQueue::NotifyAvailable([[maybe_unused]] KThread* waiting_thread,
                                    [[maybe_unused]] KSynchronizationObject* signaled_object,
-                                   [[maybe_unused]] ResultCode wait_result) {}
+                                   [[maybe_unused]] Result wait_result) {}
 
-void KThreadQueue::EndWait(KThread* waiting_thread, ResultCode wait_result) {
+void KThreadQueue::EndWait(KThread* waiting_thread, Result wait_result) {
     // Set the thread's wait result.
     waiting_thread->SetWaitResult(wait_result);
 
@@ -25,8 +25,7 @@ void KThreadQueue::EndWait(KThread* waiting_thread, ResultCode wait_result) {
     kernel.TimeManager().UnscheduleTimeEvent(waiting_thread);
 }
 
-void KThreadQueue::CancelWait(KThread* waiting_thread, ResultCode wait_result,
-                              bool cancel_timer_task) {
+void KThreadQueue::CancelWait(KThread* waiting_thread, Result wait_result, bool cancel_timer_task) {
     // Set the thread's wait result.
     waiting_thread->SetWaitResult(wait_result);
 
@@ -43,6 +42,6 @@ void KThreadQueue::CancelWait(KThread* waiting_thread, ResultCode wait_result,
 }
 
 void KThreadQueueWithoutEndWait::EndWait([[maybe_unused]] KThread* waiting_thread,
-                                         [[maybe_unused]] ResultCode wait_result) {}
+                                         [[maybe_unused]] Result wait_result) {}
 
 } // namespace Kernel

src/core/hle/kernel/k_thread_queue.h

@@ -14,10 +14,9 @@ public:
     virtual ~KThreadQueue() = default;
 
     virtual void NotifyAvailable(KThread* waiting_thread, KSynchronizationObject* signaled_object,
-                                 ResultCode wait_result);
-    virtual void EndWait(KThread* waiting_thread, ResultCode wait_result);
-    virtual void CancelWait(KThread* waiting_thread, ResultCode wait_result,
-                            bool cancel_timer_task);
+                                 Result wait_result);
+    virtual void EndWait(KThread* waiting_thread, Result wait_result);
+    virtual void CancelWait(KThread* waiting_thread, Result wait_result, bool cancel_timer_task);
 
 private:
     KernelCore& kernel;
@@ -28,7 +27,7 @@ class KThreadQueueWithoutEndWait : public KThreadQueue {
 public:
     explicit KThreadQueueWithoutEndWait(KernelCore& kernel_) : KThreadQueue(kernel_) {}
 
-    void EndWait(KThread* waiting_thread, ResultCode wait_result) override final;
+    void EndWait(KThread* waiting_thread, Result wait_result) override final;
 };
 
 } // namespace Kernel

src/core/hle/kernel/k_transfer_memory.cpp

@@ -13,8 +13,8 @@ KTransferMemory::KTransferMemory(KernelCore& kernel_)
 
 KTransferMemory::~KTransferMemory() = default;
 
-ResultCode KTransferMemory::Initialize(VAddr address_, std::size_t size_,
-                                       Svc::MemoryPermission owner_perm_) {
+Result KTransferMemory::Initialize(VAddr address_, std::size_t size_,
+                                   Svc::MemoryPermission owner_perm_) {
     // Set members.
     owner = kernel.CurrentProcess();
 

src/core/hle/kernel/k_transfer_memory.h

@@ -7,7 +7,7 @@
 #include "core/hle/kernel/svc_types.h"
 #include "core/hle/result.h"
 
-union ResultCode;
+union Result;
 
 namespace Core::Memory {
 class Memory;
@@ -26,7 +26,7 @@ public:
     explicit KTransferMemory(KernelCore& kernel_);
     ~KTransferMemory() override;
 
-    ResultCode Initialize(VAddr address_, std::size_t size_, Svc::MemoryPermission owner_perm_);
+    Result Initialize(VAddr address_, std::size_t size_, Svc::MemoryPermission owner_perm_);
 
     void Finalize() override;
 

src/core/hle/kernel/k_writable_event.cpp

@@ -18,11 +18,11 @@ void KWritableEvent::Initialize(KEvent* parent_event_, std::string&& name_) {
     parent->GetReadableEvent().Open();
 }
 
-ResultCode KWritableEvent::Signal() {
+Result KWritableEvent::Signal() {
     return parent->GetReadableEvent().Signal();
 }
 
-ResultCode KWritableEvent::Clear() {
+Result KWritableEvent::Clear() {
     return parent->GetReadableEvent().Clear();
 }
 

src/core/hle/kernel/k_writable_event.h

@@ -25,8 +25,8 @@ public:
     static void PostDestroy([[maybe_unused]] uintptr_t arg) {}
 
     void Initialize(KEvent* parent_, std::string&& name_);
-    ResultCode Signal();
-    ResultCode Clear();
+    Result Signal();
+    Result Clear();
 
     KEvent* GetParent() const {
         return parent;

src/core/hle/kernel/kernel.cpp

@@ -76,7 +76,7 @@ struct KernelCore::Impl {
         InitializeMemoryLayout();
         Init::InitializeKPageBufferSlabHeap(system);
         InitializeSchedulers();
-        InitializeSuspendThreads();
+        InitializeShutdownThreads();
         InitializePreemption(kernel);
 
         RegisterHostThread();
@@ -143,9 +143,9 @@ struct KernelCore::Impl {
         CleanupObject(system_resource_limit);
 
         for (u32 core_id = 0; core_id < Core::Hardware::NUM_CPU_CORES; core_id++) {
-            if (suspend_threads[core_id]) {
-                suspend_threads[core_id]->Close();
-                suspend_threads[core_id] = nullptr;
+            if (shutdown_threads[core_id]) {
+                shutdown_threads[core_id]->Close();
+                shutdown_threads[core_id] = nullptr;
             }
 
             schedulers[core_id]->Finalize();
@@ -247,14 +247,13 @@ struct KernelCore::Impl {
         system.CoreTiming().ScheduleEvent(time_interval, preemption_event);
     }
 
-    void InitializeSuspendThreads() {
+    void InitializeShutdownThreads() {
         for (u32 core_id = 0; core_id < Core::Hardware::NUM_CPU_CORES; core_id++) {
-            suspend_threads[core_id] = KThread::Create(system.Kernel());
-            ASSERT(KThread::InitializeHighPriorityThread(system, suspend_threads[core_id], {}, {},
+            shutdown_threads[core_id] = KThread::Create(system.Kernel());
+            ASSERT(KThread::InitializeHighPriorityThread(system, shutdown_threads[core_id], {}, {},
                                                          core_id)
                        .IsSuccess());
-            suspend_threads[core_id]->SetName(fmt::format("SuspendThread:{}", core_id));
-            suspend_threads[core_id]->DisableDispatch();
+            shutdown_threads[core_id]->SetName(fmt::format("SuspendThread:{}", core_id));
         }
     }
 
@@ -332,6 +331,8 @@ struct KernelCore::Impl {
         return is_shutting_down.load(std::memory_order_relaxed);
     }
 
+    static inline thread_local KThread* current_thread{nullptr};
+
     KThread* GetCurrentEmuThread() {
         // If we are shutting down the kernel, none of this is relevant anymore.
         if (IsShuttingDown()) {
@@ -342,7 +343,12 @@ struct KernelCore::Impl {
         if (thread_id >= Core::Hardware::NUM_CPU_CORES) {
             return GetHostDummyThread();
         }
-        return schedulers[thread_id]->GetCurrentThread();
+
+        return current_thread;
+    }
+
+    void SetCurrentEmuThread(KThread* thread) {
+        current_thread = thread;
     }
 
     void DeriveInitialMemoryLayout() {
@@ -769,7 +775,7 @@ struct KernelCore::Impl {
     std::weak_ptr<ServiceThread> default_service_thread;
     Common::ThreadWorker service_threads_manager;
 
-    std::array<KThread*, Core::Hardware::NUM_CPU_CORES> suspend_threads;
+    std::array<KThread*, Core::Hardware::NUM_CPU_CORES> shutdown_threads;
     std::array<Core::CPUInterruptHandler, Core::Hardware::NUM_CPU_CORES> interrupts{};
     std::array<std::unique_ptr<Kernel::KScheduler>, Core::Hardware::NUM_CPU_CORES> schedulers{};
 
@@ -920,6 +926,12 @@ const KAutoObjectWithListContainer& KernelCore::ObjectListContainer() const {
     return *impl->global_object_list_container;
 }
 
+void KernelCore::InterruptAllPhysicalCores() {
+    for (auto& physical_core : impl->cores) {
+        physical_core.Interrupt();
+    }
+}
+
 void KernelCore::InvalidateAllInstructionCaches() {
     for (auto& physical_core : impl->cores) {
         physical_core.ArmInterface().ClearInstructionCache();
@@ -1019,6 +1031,10 @@ KThread* KernelCore::GetCurrentEmuThread() const {
     return impl->GetCurrentEmuThread();
 }
 
+void KernelCore::SetCurrentEmuThread(KThread* thread) {
+    impl->SetCurrentEmuThread(thread);
+}
+
 KMemoryManager& KernelCore::MemoryManager() {
     return *impl->memory_manager;
 }
@@ -1067,19 +1083,29 @@ const Kernel::KSharedMemory& KernelCore::GetHidBusSharedMem() const {
     return *impl->hidbus_shared_mem;
 }
 
-void KernelCore::Suspend(bool in_suspention) {
-    const bool should_suspend = exception_exited || in_suspention;
-    {
-        KScopedSchedulerLock lock(*this);
-        const auto state = should_suspend ? ThreadState::Runnable : ThreadState::Waiting;
-        for (u32 core_id = 0; core_id < Core::Hardware::NUM_CPU_CORES; core_id++) {
-            impl->suspend_threads[core_id]->SetState(state);
-            impl->suspend_threads[core_id]->SetWaitReasonForDebugging(
-                ThreadWaitReasonForDebugging::Suspended);
+void KernelCore::Suspend(bool suspended) {
+    const bool should_suspend{exception_exited || suspended};
+    const auto activity = should_suspend ? ProcessActivity::Paused : ProcessActivity::Runnable;
+
+    for (auto* process : GetProcessList()) {
+        process->SetActivity(activity);
+
+        if (should_suspend) {
+            // Wait for execution to stop
+            for (auto* thread : process->GetThreadList()) {
+                thread->WaitUntilSuspended();
+            }
         }
     }
 }
 
+void KernelCore::ShutdownCores() {
+    for (auto* thread : impl->shutdown_threads) {
+        void(thread->Run());
+    }
+    InterruptAllPhysicalCores();
+}
+
 bool KernelCore::IsMulticore() const {
     return impl->is_multicore;
 }

src/core/hle/kernel/kernel.h

@@ -184,6 +184,8 @@ public:
 
     const std::array<Core::CPUInterruptHandler, Core::Hardware::NUM_CPU_CORES>& Interrupts() const;
 
+    void InterruptAllPhysicalCores();
+
     void InvalidateAllInstructionCaches();
 
     void InvalidateCpuInstructionCacheRange(VAddr addr, std::size_t size);
@@ -224,6 +226,9 @@ public:
     /// Gets the current host_thread/guest_thread pointer.
     KThread* GetCurrentEmuThread() const;
 
+    /// Sets the current guest_thread pointer.
+    void SetCurrentEmuThread(KThread* thread);
+
     /// Gets the current host_thread handle.
     u32 GetCurrentHostThreadID() const;
 
@@ -269,12 +274,15 @@ public:
     /// Gets the shared memory object for HIDBus services.
     const Kernel::KSharedMemory& GetHidBusSharedMem() const;
 
-    /// Suspend/unsuspend the OS.
-    void Suspend(bool in_suspention);
+    /// Suspend/unsuspend all processes.
+    void Suspend(bool suspend);
 
-    /// Exceptional exit the OS.
+    /// Exceptional exit all processes.
     void ExceptionalExit();
 
+    /// Notify emulated CPU cores to shut down.
+    void ShutdownCores();
+
     bool IsMulticore() const;
 
     bool IsShuttingDown() const;

src/core/hle/kernel/process_capability.cpp

@@ -68,9 +68,9 @@ u32 GetFlagBitOffset(CapabilityType type) {
 
 } // Anonymous namespace
 
-ResultCode ProcessCapabilities::InitializeForKernelProcess(const u32* capabilities,
-                                                           std::size_t num_capabilities,
-                                                           KPageTable& page_table) {
+Result ProcessCapabilities::InitializeForKernelProcess(const u32* capabilities,
+                                                       std::size_t num_capabilities,
+                                                       KPageTable& page_table) {
     Clear();
 
     // Allow all cores and priorities.
@@ -81,9 +81,9 @@ ResultCode ProcessCapabilities::InitializeForKernelProcess(const u32* capabiliti
     return ParseCapabilities(capabilities, num_capabilities, page_table);
 }
 
-ResultCode ProcessCapabilities::InitializeForUserProcess(const u32* capabilities,
-                                                         std::size_t num_capabilities,
-                                                         KPageTable& page_table) {
+Result ProcessCapabilities::InitializeForUserProcess(const u32* capabilities,
+                                                     std::size_t num_capabilities,
+                                                     KPageTable& page_table) {
     Clear();
 
     return ParseCapabilities(capabilities, num_capabilities, page_table);
@@ -107,9 +107,8 @@ void ProcessCapabilities::InitializeForMetadatalessProcess() {
     can_force_debug = true;
 }
 
-ResultCode ProcessCapabilities::ParseCapabilities(const u32* capabilities,
-                                                  std::size_t num_capabilities,
-                                                  KPageTable& page_table) {
+Result ProcessCapabilities::ParseCapabilities(const u32* capabilities, std::size_t num_capabilities,
+                                              KPageTable& page_table) {
     u32 set_flags = 0;
     u32 set_svc_bits = 0;
 
@@ -155,8 +154,8 @@ ResultCode ProcessCapabilities::ParseCapabilities(const u32* capabilities,
     return ResultSuccess;
 }
 
-ResultCode ProcessCapabilities::ParseSingleFlagCapability(u32& set_flags, u32& set_svc_bits,
-                                                          u32 flag, KPageTable& page_table) {
+Result ProcessCapabilities::ParseSingleFlagCapability(u32& set_flags, u32& set_svc_bits, u32 flag,
+                                                      KPageTable& page_table) {
     const auto type = GetCapabilityType(flag);
 
     if (type == CapabilityType::Unset) {
@@ -224,7 +223,7 @@ void ProcessCapabilities::Clear() {
     can_force_debug = false;
 }
 
-ResultCode ProcessCapabilities::HandlePriorityCoreNumFlags(u32 flags) {
+Result ProcessCapabilities::HandlePriorityCoreNumFlags(u32 flags) {
     if (priority_mask != 0 || core_mask != 0) {
         LOG_ERROR(Kernel, "Core or priority mask are not zero! priority_mask={}, core_mask={}",
                   priority_mask, core_mask);
@@ -266,7 +265,7 @@ ResultCode ProcessCapabilities::HandlePriorityCoreNumFlags(u32 flags) {
     return ResultSuccess;
 }
 
-ResultCode ProcessCapabilities::HandleSyscallFlags(u32& set_svc_bits, u32 flags) {
+Result ProcessCapabilities::HandleSyscallFlags(u32& set_svc_bits, u32 flags) {
     const u32 index = flags >> 29;
     const u32 svc_bit = 1U << index;
 
@@ -290,23 +289,23 @@ ResultCode ProcessCapabilities::HandleSyscallFlags(u32& set_svc_bits, u32 flags)
     return ResultSuccess;
 }
 
-ResultCode ProcessCapabilities::HandleMapPhysicalFlags(u32 flags, u32 size_flags,
-                                                       KPageTable& page_table) {
+Result ProcessCapabilities::HandleMapPhysicalFlags(u32 flags, u32 size_flags,
+                                                   KPageTable& page_table) {
     // TODO(Lioncache): Implement once the memory manager can handle this.
     return ResultSuccess;
 }
 
-ResultCode ProcessCapabilities::HandleMapIOFlags(u32 flags, KPageTable& page_table) {
+Result ProcessCapabilities::HandleMapIOFlags(u32 flags, KPageTable& page_table) {
     // TODO(Lioncache): Implement once the memory manager can handle this.
     return ResultSuccess;
 }
 
-ResultCode ProcessCapabilities::HandleMapRegionFlags(u32 flags, KPageTable& page_table) {
+Result ProcessCapabilities::HandleMapRegionFlags(u32 flags, KPageTable& page_table) {
     // TODO(Lioncache): Implement once the memory manager can handle this.
     return ResultSuccess;
 }
 
-ResultCode ProcessCapabilities::HandleInterruptFlags(u32 flags) {
+Result ProcessCapabilities::HandleInterruptFlags(u32 flags) {
     constexpr u32 interrupt_ignore_value = 0x3FF;
     const u32 interrupt0 = (flags >> 12) & 0x3FF;
     const u32 interrupt1 = (flags >> 22) & 0x3FF;
@@ -333,7 +332,7 @@ ResultCode ProcessCapabilities::HandleInterruptFlags(u32 flags) {
     return ResultSuccess;
 }
 
-ResultCode ProcessCapabilities::HandleProgramTypeFlags(u32 flags) {
+Result ProcessCapabilities::HandleProgramTypeFlags(u32 flags) {
     const u32 reserved = flags >> 17;
     if (reserved != 0) {
         LOG_ERROR(Kernel, "Reserved value is non-zero! reserved={}", reserved);
@@ -344,7 +343,7 @@ ResultCode ProcessCapabilities::HandleProgramTypeFlags(u32 flags) {
     return ResultSuccess;
 }
 
-ResultCode ProcessCapabilities::HandleKernelVersionFlags(u32 flags) {
+Result ProcessCapabilities::HandleKernelVersionFlags(u32 flags) {
     // Yes, the internal member variable is checked in the actual kernel here.
     // This might look odd for options that are only allowed to be initialized
     // just once, however the kernel has a separate initialization function for
@@ -364,7 +363,7 @@ ResultCode ProcessCapabilities::HandleKernelVersionFlags(u32 flags) {
     return ResultSuccess;
 }
 
-ResultCode ProcessCapabilities::HandleHandleTableFlags(u32 flags) {
+Result ProcessCapabilities::HandleHandleTableFlags(u32 flags) {
     const u32 reserved = flags >> 26;
     if (reserved != 0) {
         LOG_ERROR(Kernel, "Reserved value is non-zero! reserved={}", reserved);
@@ -375,7 +374,7 @@ ResultCode ProcessCapabilities::HandleHandleTableFlags(u32 flags) {
     return ResultSuccess;
 }
 
-ResultCode ProcessCapabilities::HandleDebugFlags(u32 flags) {
+Result ProcessCapabilities::HandleDebugFlags(u32 flags) {
     const u32 reserved = flags >> 19;
     if (reserved != 0) {
         LOG_ERROR(Kernel, "Reserved value is non-zero! reserved={}", reserved);

src/core/hle/kernel/process_capability.h

@@ -7,7 +7,7 @@
 
 #include "common/common_types.h"
 
-union ResultCode;
+union Result;
 
 namespace Kernel {
 
@@ -86,8 +86,8 @@ public:
     /// @returns ResultSuccess if this capabilities instance was able to be initialized,
     ///          otherwise, an error code upon failure.
     ///
-    ResultCode InitializeForKernelProcess(const u32* capabilities, std::size_t num_capabilities,
-                                          KPageTable& page_table);
+    Result InitializeForKernelProcess(const u32* capabilities, std::size_t num_capabilities,
+                                      KPageTable& page_table);
 
     /// Initializes this process capabilities instance for a userland process.
     ///
@@ -99,8 +99,8 @@ public:
     /// @returns ResultSuccess if this capabilities instance was able to be initialized,
     ///          otherwise, an error code upon failure.
     ///
-    ResultCode InitializeForUserProcess(const u32* capabilities, std::size_t num_capabilities,
-                                        KPageTable& page_table);
+    Result InitializeForUserProcess(const u32* capabilities, std::size_t num_capabilities,
+                                    KPageTable& page_table);
 
     /// Initializes this process capabilities instance for a process that does not
     /// have any metadata to parse.
@@ -185,8 +185,8 @@ private:
     ///
     /// @return ResultSuccess if no errors occur, otherwise an error code.
     ///
-    ResultCode ParseCapabilities(const u32* capabilities, std::size_t num_capabilities,
-                                 KPageTable& page_table);
+    Result ParseCapabilities(const u32* capabilities, std::size_t num_capabilities,
+                             KPageTable& page_table);
 
     /// Attempts to parse a capability descriptor that is only represented by a
     /// single flag set.
@@ -200,8 +200,8 @@ private:
     ///
     /// @return ResultSuccess if no errors occurred, otherwise an error code.
     ///
-    ResultCode ParseSingleFlagCapability(u32& set_flags, u32& set_svc_bits, u32 flag,
-                                         KPageTable& page_table);
+    Result ParseSingleFlagCapability(u32& set_flags, u32& set_svc_bits, u32 flag,
+                                     KPageTable& page_table);
 
     /// Clears the internal state of this process capability instance. Necessary,
     /// to have a sane starting point due to us allowing running executables without
@@ -219,34 +219,34 @@ private:
     void Clear();
 
     /// Handles flags related to the priority and core number capability flags.
-    ResultCode HandlePriorityCoreNumFlags(u32 flags);
+    Result HandlePriorityCoreNumFlags(u32 flags);
 
     /// Handles flags related to determining the allowable SVC mask.
-    ResultCode HandleSyscallFlags(u32& set_svc_bits, u32 flags);
+    Result HandleSyscallFlags(u32& set_svc_bits, u32 flags);
 
     /// Handles flags related to mapping physical memory pages.
-    ResultCode HandleMapPhysicalFlags(u32 flags, u32 size_flags, KPageTable& page_table);
+    Result HandleMapPhysicalFlags(u32 flags, u32 size_flags, KPageTable& page_table);
 
     /// Handles flags related to mapping IO pages.
-    ResultCode HandleMapIOFlags(u32 flags, KPageTable& page_table);
+    Result HandleMapIOFlags(u32 flags, KPageTable& page_table);
 
     /// Handles flags related to mapping physical memory regions.
-    ResultCode HandleMapRegionFlags(u32 flags, KPageTable& page_table);
+    Result HandleMapRegionFlags(u32 flags, KPageTable& page_table);
 
     /// Handles flags related to the interrupt capability flags.
-    ResultCode HandleInterruptFlags(u32 flags);
+    Result HandleInterruptFlags(u32 flags);
 
     /// Handles flags related to the program type.
-    ResultCode HandleProgramTypeFlags(u32 flags);
+    Result HandleProgramTypeFlags(u32 flags);
 
     /// Handles flags related to the handle table size.
-    ResultCode HandleHandleTableFlags(u32 flags);
+    Result HandleHandleTableFlags(u32 flags);
 
     /// Handles flags related to the kernel version capability flags.
-    ResultCode HandleKernelVersionFlags(u32 flags);
+    Result HandleKernelVersionFlags(u32 flags);
 
     /// Handles flags related to debug-specific capabilities.
-    ResultCode HandleDebugFlags(u32 flags);
+    Result HandleDebugFlags(u32 flags);
 
     SyscallCapabilities svc_capabilities;
     InterruptCapabilities interrupt_capabilities;

src/core/hle/kernel/svc.cpp

@@ -15,6 +15,7 @@
 #include "common/scope_exit.h"
 #include "core/core.h"
 #include "core/core_timing.h"
+#include "core/debugger/debugger.h"
 #include "core/hle/kernel/k_client_port.h"
 #include "core/hle/kernel/k_client_session.h"
 #include "core/hle/kernel/k_code_memory.h"
@@ -57,8 +58,8 @@ constexpr bool IsValidAddressRange(VAddr address, u64 size) {
 // Helper function that performs the common sanity checks for svcMapMemory
 // and svcUnmapMemory. This is doable, as both functions perform their sanitizing
 // in the same order.
-ResultCode MapUnmapMemorySanityChecks(const KPageTable& manager, VAddr dst_addr, VAddr src_addr,
-                                      u64 size) {
+Result MapUnmapMemorySanityChecks(const KPageTable& manager, VAddr dst_addr, VAddr src_addr,
+                                  u64 size) {
     if (!Common::Is4KBAligned(dst_addr)) {
         LOG_ERROR(Kernel_SVC, "Destination address is not aligned to 4KB, 0x{:016X}", dst_addr);
         return ResultInvalidAddress;
@@ -134,7 +135,7 @@ 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* out_address, u64 size) {
+static Result SetHeapSize(Core::System& system, VAddr* out_address, u64 size) {
     LOG_TRACE(Kernel_SVC, "called, heap_size=0x{:X}", size);
 
     // Validate size.
@@ -147,9 +148,9 @@ static ResultCode SetHeapSize(Core::System& system, VAddr* out_address, u64 size
     return ResultSuccess;
 }
 
-static ResultCode SetHeapSize32(Core::System& system, u32* heap_addr, u32 heap_size) {
+static Result SetHeapSize32(Core::System& system, u32* heap_addr, u32 heap_size) {
     VAddr temp_heap_addr{};
-    const ResultCode result{SetHeapSize(system, &temp_heap_addr, heap_size)};
+    const Result result{SetHeapSize(system, &temp_heap_addr, heap_size)};
     *heap_addr = static_cast<u32>(temp_heap_addr);
     return result;
 }
@@ -165,8 +166,8 @@ constexpr bool IsValidSetMemoryPermission(MemoryPermission perm) {
     }
 }
 
-static ResultCode SetMemoryPermission(Core::System& system, VAddr address, u64 size,
-                                      MemoryPermission perm) {
+static Result SetMemoryPermission(Core::System& system, VAddr address, u64 size,
+                                  MemoryPermission perm) {
     LOG_DEBUG(Kernel_SVC, "called, address=0x{:016X}, size=0x{:X}, perm=0x{:08X", address, size,
               perm);
 
@@ -187,8 +188,8 @@ static ResultCode SetMemoryPermission(Core::System& system, VAddr address, u64 s
     return page_table.SetMemoryPermission(address, size, perm);
 }
 
-static ResultCode SetMemoryAttribute(Core::System& system, VAddr address, u64 size, u32 mask,
-                                     u32 attr) {
+static Result SetMemoryAttribute(Core::System& system, VAddr address, u64 size, u32 mask,
+                                 u32 attr) {
     LOG_DEBUG(Kernel_SVC,
               "called, address=0x{:016X}, size=0x{:X}, mask=0x{:08X}, attribute=0x{:08X}", address,
               size, mask, attr);
@@ -212,19 +213,19 @@ static ResultCode SetMemoryAttribute(Core::System& system, VAddr address, u64 si
     return page_table.SetMemoryAttribute(address, size, mask, attr);
 }
 
-static ResultCode SetMemoryAttribute32(Core::System& system, u32 address, u32 size, u32 mask,
-                                       u32 attr) {
+static Result SetMemoryAttribute32(Core::System& system, u32 address, u32 size, u32 mask,
+                                   u32 attr) {
     return SetMemoryAttribute(system, address, size, mask, attr);
 }
 
 /// Maps a memory range into a different range.
-static ResultCode MapMemory(Core::System& system, VAddr dst_addr, VAddr src_addr, u64 size) {
+static Result MapMemory(Core::System& system, VAddr dst_addr, VAddr src_addr, u64 size) {
     LOG_TRACE(Kernel_SVC, "called, dst_addr=0x{:X}, src_addr=0x{:X}, size=0x{:X}", dst_addr,
               src_addr, size);
 
     auto& page_table{system.Kernel().CurrentProcess()->PageTable()};
 
-    if (const ResultCode result{MapUnmapMemorySanityChecks(page_table, dst_addr, src_addr, size)};
+    if (const Result result{MapUnmapMemorySanityChecks(page_table, dst_addr, src_addr, size)};
         result.IsError()) {
         return result;
     }
@@ -232,18 +233,18 @@ static ResultCode MapMemory(Core::System& system, VAddr dst_addr, VAddr src_addr
     return page_table.MapMemory(dst_addr, src_addr, size);
 }
 
-static ResultCode MapMemory32(Core::System& system, u32 dst_addr, u32 src_addr, u32 size) {
+static Result MapMemory32(Core::System& system, u32 dst_addr, u32 src_addr, u32 size) {
     return MapMemory(system, dst_addr, src_addr, size);
 }
 
 /// Unmaps a region that was previously mapped with svcMapMemory
-static ResultCode UnmapMemory(Core::System& system, VAddr dst_addr, VAddr src_addr, u64 size) {
+static Result UnmapMemory(Core::System& system, VAddr dst_addr, VAddr src_addr, u64 size) {
     LOG_TRACE(Kernel_SVC, "called, dst_addr=0x{:X}, src_addr=0x{:X}, size=0x{:X}", dst_addr,
               src_addr, size);
 
     auto& page_table{system.Kernel().CurrentProcess()->PageTable()};
 
-    if (const ResultCode result{MapUnmapMemorySanityChecks(page_table, dst_addr, src_addr, size)};
+    if (const Result result{MapUnmapMemorySanityChecks(page_table, dst_addr, src_addr, size)};
         result.IsError()) {
         return result;
     }
@@ -251,12 +252,12 @@ static ResultCode UnmapMemory(Core::System& system, VAddr dst_addr, VAddr src_ad
     return page_table.UnmapMemory(dst_addr, src_addr, size);
 }
 
-static ResultCode UnmapMemory32(Core::System& system, u32 dst_addr, u32 src_addr, u32 size) {
+static Result UnmapMemory32(Core::System& system, u32 dst_addr, u32 src_addr, u32 size) {
     return UnmapMemory(system, dst_addr, src_addr, size);
 }
 
 /// Connect to an OS service given the port name, returns the handle to the port to out
-static ResultCode ConnectToNamedPort(Core::System& system, Handle* out, VAddr port_name_address) {
+static Result ConnectToNamedPort(Core::System& system, Handle* out, VAddr port_name_address) {
     auto& memory = system.Memory();
     if (!memory.IsValidVirtualAddress(port_name_address)) {
         LOG_ERROR(Kernel_SVC,
@@ -306,14 +307,14 @@ static ResultCode ConnectToNamedPort(Core::System& system, Handle* out, VAddr po
     return ResultSuccess;
 }
 
-static ResultCode ConnectToNamedPort32(Core::System& system, Handle* out_handle,
-                                       u32 port_name_address) {
+static Result ConnectToNamedPort32(Core::System& system, Handle* out_handle,
+                                   u32 port_name_address) {
 
     return ConnectToNamedPort(system, out_handle, port_name_address);
 }
 
 /// Makes a blocking IPC call to an OS service.
-static ResultCode SendSyncRequest(Core::System& system, Handle handle) {
+static Result SendSyncRequest(Core::System& system, Handle handle) {
     auto& kernel = system.Kernel();
 
     // Create the wait queue.
@@ -326,7 +327,6 @@ static ResultCode SendSyncRequest(Core::System& system, Handle handle) {
 
     LOG_TRACE(Kernel_SVC, "called handle=0x{:08X}({})", handle, session->GetName());
 
-    auto thread = kernel.CurrentScheduler()->GetCurrentThread();
     {
         KScopedSchedulerLock lock(kernel);
 
@@ -336,15 +336,15 @@ static ResultCode SendSyncRequest(Core::System& system, Handle handle) {
         session->SendSyncRequest(&GetCurrentThread(kernel), system.Memory(), system.CoreTiming());
     }
 
-    return thread->GetWaitResult();
+    return GetCurrentThread(kernel).GetWaitResult();
 }
 
-static ResultCode SendSyncRequest32(Core::System& system, Handle handle) {
+static Result SendSyncRequest32(Core::System& system, Handle handle) {
     return SendSyncRequest(system, handle);
 }
 
 /// Get the ID for the specified thread.
-static ResultCode GetThreadId(Core::System& system, u64* out_thread_id, Handle thread_handle) {
+static Result GetThreadId(Core::System& system, u64* out_thread_id, Handle thread_handle) {
     // Get the thread from its handle.
     KScopedAutoObject thread =
         system.Kernel().CurrentProcess()->GetHandleTable().GetObject<KThread>(thread_handle);
@@ -355,10 +355,10 @@ static ResultCode GetThreadId(Core::System& system, u64* out_thread_id, Handle t
     return ResultSuccess;
 }
 
-static ResultCode GetThreadId32(Core::System& system, u32* out_thread_id_low,
-                                u32* out_thread_id_high, Handle thread_handle) {
+static Result GetThreadId32(Core::System& system, u32* out_thread_id_low, u32* out_thread_id_high,
+                            Handle thread_handle) {
     u64 out_thread_id{};
-    const ResultCode result{GetThreadId(system, &out_thread_id, thread_handle)};
+    const Result result{GetThreadId(system, &out_thread_id, thread_handle)};
 
     *out_thread_id_low = static_cast<u32>(out_thread_id >> 32);
     *out_thread_id_high = static_cast<u32>(out_thread_id & std::numeric_limits<u32>::max());
@@ -367,7 +367,7 @@ static ResultCode GetThreadId32(Core::System& system, u32* out_thread_id_low,
 }
 
 /// Gets the ID of the specified process or a specified thread's owning process.
-static ResultCode GetProcessId(Core::System& system, u64* out_process_id, Handle handle) {
+static Result GetProcessId(Core::System& system, u64* out_process_id, Handle handle) {
     LOG_DEBUG(Kernel_SVC, "called handle=0x{:08X}", handle);
 
     // Get the object from the handle table.
@@ -398,8 +398,8 @@ static ResultCode GetProcessId(Core::System& system, u64* out_process_id, Handle
     return ResultSuccess;
 }
 
-static ResultCode GetProcessId32(Core::System& system, u32* out_process_id_low,
-                                 u32* out_process_id_high, Handle handle) {
+static Result GetProcessId32(Core::System& system, u32* out_process_id_low,
+                             u32* out_process_id_high, Handle handle) {
     u64 out_process_id{};
     const auto result = GetProcessId(system, &out_process_id, handle);
     *out_process_id_low = static_cast<u32>(out_process_id);
@@ -408,8 +408,8 @@ static ResultCode GetProcessId32(Core::System& system, u32* out_process_id_low,
 }
 
 /// Wait for the given handles to synchronize, timeout after the specified nanoseconds
-static ResultCode WaitSynchronization(Core::System& system, s32* index, VAddr handles_address,
-                                      s32 num_handles, s64 nano_seconds) {
+static Result WaitSynchronization(Core::System& system, s32* index, VAddr handles_address,
+                                  s32 num_handles, s64 nano_seconds) {
     LOG_TRACE(Kernel_SVC, "called handles_address=0x{:X}, num_handles={}, nano_seconds={}",
               handles_address, num_handles, nano_seconds);
 
@@ -444,14 +444,14 @@ static ResultCode WaitSynchronization(Core::System& system, s32* index, VAddr ha
                                         nano_seconds);
 }
 
-static ResultCode WaitSynchronization32(Core::System& system, u32 timeout_low, u32 handles_address,
-                                        s32 num_handles, u32 timeout_high, s32* index) {
+static Result WaitSynchronization32(Core::System& system, u32 timeout_low, u32 handles_address,
+                                    s32 num_handles, u32 timeout_high, s32* index) {
     const s64 nano_seconds{(static_cast<s64>(timeout_high) << 32) | static_cast<s64>(timeout_low)};
     return WaitSynchronization(system, index, handles_address, num_handles, nano_seconds);
 }
 
 /// Resumes a thread waiting on WaitSynchronization
-static ResultCode CancelSynchronization(Core::System& system, Handle handle) {
+static Result CancelSynchronization(Core::System& system, Handle handle) {
     LOG_TRACE(Kernel_SVC, "called handle=0x{:X}", handle);
 
     // Get the thread from its handle.
@@ -464,13 +464,12 @@ static ResultCode CancelSynchronization(Core::System& system, Handle handle) {
     return ResultSuccess;
 }
 
-static ResultCode CancelSynchronization32(Core::System& system, Handle handle) {
+static Result CancelSynchronization32(Core::System& system, Handle handle) {
     return CancelSynchronization(system, handle);
 }
 
 /// Attempts to locks a mutex
-static ResultCode ArbitrateLock(Core::System& system, Handle thread_handle, VAddr address,
-                                u32 tag) {
+static Result ArbitrateLock(Core::System& system, Handle thread_handle, VAddr address, u32 tag) {
     LOG_TRACE(Kernel_SVC, "called thread_handle=0x{:08X}, address=0x{:X}, tag=0x{:08X}",
               thread_handle, address, tag);
 
@@ -488,13 +487,12 @@ static ResultCode ArbitrateLock(Core::System& system, Handle thread_handle, VAdd
     return system.Kernel().CurrentProcess()->WaitForAddress(thread_handle, address, tag);
 }
 
-static ResultCode ArbitrateLock32(Core::System& system, Handle thread_handle, u32 address,
-                                  u32 tag) {
+static Result ArbitrateLock32(Core::System& system, Handle thread_handle, u32 address, u32 tag) {
     return ArbitrateLock(system, thread_handle, address, tag);
 }
 
 /// Unlock a mutex
-static ResultCode ArbitrateUnlock(Core::System& system, VAddr address) {
+static Result ArbitrateUnlock(Core::System& system, VAddr address) {
     LOG_TRACE(Kernel_SVC, "called address=0x{:X}", address);
 
     // Validate the input address.
@@ -512,7 +510,7 @@ static ResultCode ArbitrateUnlock(Core::System& system, VAddr address) {
     return system.Kernel().CurrentProcess()->SignalToAddress(address);
 }
 
-static ResultCode ArbitrateUnlock32(Core::System& system, u32 address) {
+static Result ArbitrateUnlock32(Core::System& system, u32 address) {
     return ArbitrateUnlock(system, address);
 }
 
@@ -623,10 +621,16 @@ static void Break(Core::System& system, u32 reason, u64 info1, u64 info2) {
 
         handle_debug_buffer(info1, info2);
 
-        auto* const current_thread = system.Kernel().CurrentScheduler()->GetCurrentThread();
+        auto* const current_thread = GetCurrentThreadPointer(system.Kernel());
         const auto thread_processor_id = current_thread->GetActiveCore();
         system.ArmInterface(static_cast<std::size_t>(thread_processor_id)).LogBacktrace();
     }
+
+    if (system.DebuggerEnabled()) {
+        auto* thread = system.Kernel().GetCurrentEmuThread();
+        system.GetDebugger().NotifyThreadStopped(thread);
+        thread->RequestSuspend(Kernel::SuspendType::Debug);
+    }
 }
 
 static void Break32(Core::System& system, u32 reason, u32 info1, u32 info2) {
@@ -649,8 +653,8 @@ static void OutputDebugString32(Core::System& system, u32 address, u32 len) {
 }
 
 /// Gets system/memory information for the current process
-static ResultCode GetInfo(Core::System& system, u64* result, u64 info_id, Handle handle,
-                          u64 info_sub_id) {
+static Result GetInfo(Core::System& system, u64* result, u64 info_id, Handle handle,
+                      u64 info_sub_id) {
     LOG_TRACE(Kernel_SVC, "called info_id=0x{:X}, info_sub_id=0x{:X}, handle=0x{:08X}", info_id,
               info_sub_id, handle);
 
@@ -685,6 +689,9 @@ static ResultCode GetInfo(Core::System& system, u64* result, u64 info_id, Handle
         // 6.0.0+
         TotalPhysicalMemoryAvailableWithoutSystemResource = 21,
         TotalPhysicalMemoryUsedWithoutSystemResource = 22,
+
+        // Homebrew only
+        MesosphereCurrentProcess = 65001,
     };
 
     const auto info_id_type = static_cast<GetInfoType>(info_id);
@@ -877,7 +884,7 @@ static ResultCode GetInfo(Core::System& system, u64* result, u64 info_id, Handle
 
         const auto& core_timing = system.CoreTiming();
         const auto& scheduler = *system.Kernel().CurrentScheduler();
-        const auto* const current_thread = scheduler.GetCurrentThread();
+        const auto* const current_thread = GetCurrentThreadPointer(system.Kernel());
         const bool same_thread = current_thread == thread.GetPointerUnsafe();
 
         const u64 prev_ctx_ticks = scheduler.GetLastContextSwitchTicks();
@@ -907,18 +914,39 @@ static ResultCode GetInfo(Core::System& system, u64* result, u64 info_id, Handle
         *result = system.Kernel().CurrentScheduler()->GetIdleThread()->GetCpuTime();
         return ResultSuccess;
     }
+    case GetInfoType::MesosphereCurrentProcess: {
+        // Verify the input handle is invalid.
+        R_UNLESS(handle == InvalidHandle, ResultInvalidHandle);
+
+        // Verify the sub-type is valid.
+        R_UNLESS(info_sub_id == 0, ResultInvalidCombination);
+
+        // Get the handle table.
+        KProcess* current_process = system.Kernel().CurrentProcess();
+        KHandleTable& handle_table = current_process->GetHandleTable();
+
+        // Get a new handle for the current process.
+        Handle tmp;
+        R_TRY(handle_table.Add(&tmp, current_process));
+
+        // Set the output.
+        *result = tmp;
+
+        // We succeeded.
+        return ResultSuccess;
+    }
     default:
         LOG_ERROR(Kernel_SVC, "Unimplemented svcGetInfo id=0x{:016X}", info_id);
         return ResultInvalidEnumValue;
     }
 }
 
-static ResultCode GetInfo32(Core::System& system, u32* result_low, u32* result_high, u32 sub_id_low,
-                            u32 info_id, u32 handle, u32 sub_id_high) {
+static Result GetInfo32(Core::System& system, u32* result_low, u32* result_high, u32 sub_id_low,
+                        u32 info_id, u32 handle, u32 sub_id_high) {
     const u64 sub_id{u64{sub_id_low} | (u64{sub_id_high} << 32)};
     u64 res_value{};
 
-    const ResultCode result{GetInfo(system, &res_value, info_id, handle, sub_id)};
+    const Result result{GetInfo(system, &res_value, info_id, handle, sub_id)};
     *result_high = static_cast<u32>(res_value >> 32);
     *result_low = static_cast<u32>(res_value & std::numeric_limits<u32>::max());
 
@@ -926,7 +954,7 @@ static ResultCode GetInfo32(Core::System& system, u32* result_low, u32* result_h
 }
 
 /// Maps memory at a desired address
-static ResultCode MapPhysicalMemory(Core::System& system, VAddr addr, u64 size) {
+static Result MapPhysicalMemory(Core::System& system, VAddr addr, u64 size) {
     LOG_DEBUG(Kernel_SVC, "called, addr=0x{:016X}, size=0x{:X}", addr, size);
 
     if (!Common::Is4KBAligned(addr)) {
@@ -974,12 +1002,12 @@ static ResultCode MapPhysicalMemory(Core::System& system, VAddr addr, u64 size)
     return page_table.MapPhysicalMemory(addr, size);
 }
 
-static ResultCode MapPhysicalMemory32(Core::System& system, u32 addr, u32 size) {
+static Result MapPhysicalMemory32(Core::System& system, u32 addr, u32 size) {
     return MapPhysicalMemory(system, addr, size);
 }
 
 /// Unmaps memory previously mapped via MapPhysicalMemory
-static ResultCode UnmapPhysicalMemory(Core::System& system, VAddr addr, u64 size) {
+static Result UnmapPhysicalMemory(Core::System& system, VAddr addr, u64 size) {
     LOG_DEBUG(Kernel_SVC, "called, addr=0x{:016X}, size=0x{:X}", addr, size);
 
     if (!Common::Is4KBAligned(addr)) {
@@ -1027,13 +1055,13 @@ static ResultCode UnmapPhysicalMemory(Core::System& system, VAddr addr, u64 size
     return page_table.UnmapPhysicalMemory(addr, size);
 }
 
-static ResultCode UnmapPhysicalMemory32(Core::System& system, u32 addr, u32 size) {
+static Result UnmapPhysicalMemory32(Core::System& system, u32 addr, u32 size) {
     return UnmapPhysicalMemory(system, addr, size);
 }
 
 /// Sets the thread activity
-static ResultCode SetThreadActivity(Core::System& system, Handle thread_handle,
-                                    ThreadActivity thread_activity) {
+static Result SetThreadActivity(Core::System& system, Handle thread_handle,
+                                ThreadActivity thread_activity) {
     LOG_DEBUG(Kernel_SVC, "called, handle=0x{:08X}, activity=0x{:08X}", thread_handle,
               thread_activity);
 
@@ -1058,13 +1086,13 @@ static ResultCode SetThreadActivity(Core::System& system, Handle thread_handle,
     return ResultSuccess;
 }
 
-static ResultCode SetThreadActivity32(Core::System& system, Handle thread_handle,
-                                      Svc::ThreadActivity thread_activity) {
+static Result SetThreadActivity32(Core::System& system, Handle thread_handle,
+                                  Svc::ThreadActivity thread_activity) {
     return SetThreadActivity(system, thread_handle, thread_activity);
 }
 
 /// Gets the thread context
-static ResultCode GetThreadContext(Core::System& system, VAddr out_context, Handle thread_handle) {
+static Result GetThreadContext(Core::System& system, VAddr out_context, Handle thread_handle) {
     LOG_DEBUG(Kernel_SVC, "called, out_context=0x{:08X}, thread_handle=0x{:X}", out_context,
               thread_handle);
 
@@ -1096,7 +1124,7 @@ static ResultCode GetThreadContext(Core::System& system, VAddr out_context, Hand
         if (thread->GetRawState() != ThreadState::Runnable) {
             bool current = false;
             for (auto i = 0; i < static_cast<s32>(Core::Hardware::NUM_CPU_CORES); ++i) {
-                if (thread.GetPointerUnsafe() == kernel.Scheduler(i).GetCurrentThread()) {
+                if (thread.GetPointerUnsafe() == kernel.Scheduler(i).GetSchedulerCurrentThread()) {
                     current = true;
                     break;
                 }
@@ -1121,12 +1149,12 @@ static ResultCode GetThreadContext(Core::System& system, VAddr out_context, Hand
     return ResultSuccess;
 }
 
-static ResultCode GetThreadContext32(Core::System& system, u32 out_context, Handle thread_handle) {
+static Result GetThreadContext32(Core::System& system, u32 out_context, Handle thread_handle) {
     return GetThreadContext(system, out_context, thread_handle);
 }
 
 /// Gets the priority for the specified thread
-static ResultCode GetThreadPriority(Core::System& system, u32* out_priority, Handle handle) {
+static Result GetThreadPriority(Core::System& system, u32* out_priority, Handle handle) {
     LOG_TRACE(Kernel_SVC, "called");
 
     // Get the thread from its handle.
@@ -1139,12 +1167,12 @@ static ResultCode GetThreadPriority(Core::System& system, u32* out_priority, Han
     return ResultSuccess;
 }
 
-static ResultCode GetThreadPriority32(Core::System& system, u32* out_priority, Handle handle) {
+static Result GetThreadPriority32(Core::System& system, u32* out_priority, Handle handle) {
     return GetThreadPriority(system, out_priority, handle);
 }
 
 /// Sets the priority for the specified thread
-static ResultCode SetThreadPriority(Core::System& system, Handle thread_handle, u32 priority) {
+static Result SetThreadPriority(Core::System& system, Handle thread_handle, u32 priority) {
     // Get the current process.
     KProcess& process = *system.Kernel().CurrentProcess();
 
@@ -1162,7 +1190,7 @@ static ResultCode SetThreadPriority(Core::System& system, Handle thread_handle,
     return ResultSuccess;
 }
 
-static ResultCode SetThreadPriority32(Core::System& system, Handle thread_handle, u32 priority) {
+static Result SetThreadPriority32(Core::System& system, Handle thread_handle, u32 priority) {
     return SetThreadPriority(system, thread_handle, priority);
 }
 
@@ -1222,8 +1250,8 @@ constexpr bool IsValidUnmapFromOwnerCodeMemoryPermission(Svc::MemoryPermission p
 
 } // Anonymous namespace
 
-static ResultCode MapSharedMemory(Core::System& system, Handle shmem_handle, VAddr address,
-                                  u64 size, Svc::MemoryPermission map_perm) {
+static Result MapSharedMemory(Core::System& system, Handle shmem_handle, VAddr address, u64 size,
+                              Svc::MemoryPermission map_perm) {
     LOG_TRACE(Kernel_SVC,
               "called, shared_memory_handle=0x{:X}, addr=0x{:X}, size=0x{:X}, permissions=0x{:08X}",
               shmem_handle, address, size, map_perm);
@@ -1263,13 +1291,13 @@ static ResultCode MapSharedMemory(Core::System& system, Handle shmem_handle, VAd
     return ResultSuccess;
 }
 
-static ResultCode MapSharedMemory32(Core::System& system, Handle shmem_handle, u32 address,
-                                    u32 size, Svc::MemoryPermission map_perm) {
+static Result MapSharedMemory32(Core::System& system, Handle shmem_handle, u32 address, u32 size,
+                                Svc::MemoryPermission map_perm) {
     return MapSharedMemory(system, shmem_handle, address, size, map_perm);
 }
 
-static ResultCode UnmapSharedMemory(Core::System& system, Handle shmem_handle, VAddr address,
-                                    u64 size) {
+static Result UnmapSharedMemory(Core::System& system, Handle shmem_handle, VAddr address,
+                                u64 size) {
     // Validate the address/size.
     R_UNLESS(Common::IsAligned(address, PageSize), ResultInvalidAddress);
     R_UNLESS(Common::IsAligned(size, PageSize), ResultInvalidSize);
@@ -1296,13 +1324,13 @@ static ResultCode UnmapSharedMemory(Core::System& system, Handle shmem_handle, V
     return ResultSuccess;
 }
 
-static ResultCode UnmapSharedMemory32(Core::System& system, Handle shmem_handle, u32 address,
-                                      u32 size) {
+static Result UnmapSharedMemory32(Core::System& system, Handle shmem_handle, u32 address,
+                                  u32 size) {
     return UnmapSharedMemory(system, shmem_handle, address, size);
 }
 
-static ResultCode SetProcessMemoryPermission(Core::System& system, Handle process_handle,
-                                             VAddr address, u64 size, Svc::MemoryPermission perm) {
+static Result SetProcessMemoryPermission(Core::System& system, Handle process_handle, VAddr address,
+                                         u64 size, Svc::MemoryPermission perm) {
     LOG_TRACE(Kernel_SVC,
               "called, process_handle=0x{:X}, addr=0x{:X}, size=0x{:X}, permissions=0x{:08X}",
               process_handle, address, size, perm);
@@ -1331,8 +1359,8 @@ static ResultCode SetProcessMemoryPermission(Core::System& system, Handle proces
     return page_table.SetProcessMemoryPermission(address, size, perm);
 }
 
-static ResultCode MapProcessMemory(Core::System& system, VAddr dst_address, Handle process_handle,
-                                   VAddr src_address, u64 size) {
+static Result MapProcessMemory(Core::System& system, VAddr dst_address, Handle process_handle,
+                               VAddr src_address, u64 size) {
     LOG_TRACE(Kernel_SVC,
               "called, dst_address=0x{:X}, process_handle=0x{:X}, src_address=0x{:X}, size=0x{:X}",
               dst_address, process_handle, src_address, size);
@@ -1361,7 +1389,7 @@ static ResultCode MapProcessMemory(Core::System& system, VAddr dst_address, Hand
              ResultInvalidMemoryRegion);
 
     // Create a new page group.
-    KPageLinkedList pg;
+    KPageGroup pg;
     R_TRY(src_pt.MakeAndOpenPageGroup(
         std::addressof(pg), src_address, size / PageSize, KMemoryState::FlagCanMapProcess,
         KMemoryState::FlagCanMapProcess, KMemoryPermission::None, KMemoryPermission::None,
@@ -1374,8 +1402,8 @@ static ResultCode MapProcessMemory(Core::System& system, VAddr dst_address, Hand
     return ResultSuccess;
 }
 
-static ResultCode UnmapProcessMemory(Core::System& system, VAddr dst_address, Handle process_handle,
-                                     VAddr src_address, u64 size) {
+static Result UnmapProcessMemory(Core::System& system, VAddr dst_address, Handle process_handle,
+                                 VAddr src_address, u64 size) {
     LOG_TRACE(Kernel_SVC,
               "called, dst_address=0x{:X}, process_handle=0x{:X}, src_address=0x{:X}, size=0x{:X}",
               dst_address, process_handle, src_address, size);
@@ -1409,7 +1437,7 @@ static ResultCode UnmapProcessMemory(Core::System& system, VAddr dst_address, Ha
     return ResultSuccess;
 }
 
-static ResultCode CreateCodeMemory(Core::System& system, Handle* out, VAddr address, size_t size) {
+static Result CreateCodeMemory(Core::System& system, Handle* out, VAddr address, size_t size) {
     LOG_TRACE(Kernel_SVC, "called, address=0x{:X}, size=0x{:X}", address, size);
 
     // Get kernel instance.
@@ -1444,12 +1472,12 @@ static ResultCode CreateCodeMemory(Core::System& system, Handle* out, VAddr addr
     return ResultSuccess;
 }
 
-static ResultCode CreateCodeMemory32(Core::System& system, Handle* out, u32 address, u32 size) {
+static Result CreateCodeMemory32(Core::System& system, Handle* out, u32 address, u32 size) {
     return CreateCodeMemory(system, out, address, size);
 }
 
-static ResultCode ControlCodeMemory(Core::System& system, Handle code_memory_handle, u32 operation,
-                                    VAddr address, size_t size, Svc::MemoryPermission perm) {
+static Result ControlCodeMemory(Core::System& system, Handle code_memory_handle, u32 operation,
+                                VAddr address, size_t size, Svc::MemoryPermission perm) {
 
     LOG_TRACE(Kernel_SVC,
               "called, code_memory_handle=0x{:X}, operation=0x{:X}, address=0x{:X}, size=0x{:X}, "
@@ -1527,15 +1555,13 @@ static ResultCode ControlCodeMemory(Core::System& system, Handle code_memory_han
     return ResultSuccess;
 }
 
-static ResultCode ControlCodeMemory32(Core::System& system, Handle code_memory_handle,
-                                      u32 operation, u64 address, u64 size,
-                                      Svc::MemoryPermission perm) {
+static Result ControlCodeMemory32(Core::System& system, Handle code_memory_handle, u32 operation,
+                                  u64 address, u64 size, Svc::MemoryPermission perm) {
     return ControlCodeMemory(system, code_memory_handle, operation, address, size, perm);
 }
 
-static ResultCode QueryProcessMemory(Core::System& system, VAddr memory_info_address,
-                                     VAddr page_info_address, Handle process_handle,
-                                     VAddr address) {
+static Result QueryProcessMemory(Core::System& system, VAddr memory_info_address,
+                                 VAddr page_info_address, Handle process_handle, VAddr address) {
     LOG_TRACE(Kernel_SVC, "called process=0x{:08X} address={:X}", process_handle, address);
     const auto& handle_table = system.Kernel().CurrentProcess()->GetHandleTable();
     KScopedAutoObject process = handle_table.GetObject<KProcess>(process_handle);
@@ -1563,8 +1589,8 @@ static ResultCode QueryProcessMemory(Core::System& system, VAddr memory_info_add
     return ResultSuccess;
 }
 
-static ResultCode QueryMemory(Core::System& system, VAddr memory_info_address,
-                              VAddr page_info_address, VAddr query_address) {
+static Result QueryMemory(Core::System& system, VAddr memory_info_address, VAddr page_info_address,
+                          VAddr query_address) {
     LOG_TRACE(Kernel_SVC,
               "called, memory_info_address=0x{:016X}, page_info_address=0x{:016X}, "
               "query_address=0x{:016X}",
@@ -1574,13 +1600,13 @@ static ResultCode QueryMemory(Core::System& system, VAddr memory_info_address,
                               query_address);
 }
 
-static ResultCode QueryMemory32(Core::System& system, u32 memory_info_address,
-                                u32 page_info_address, u32 query_address) {
+static Result QueryMemory32(Core::System& system, u32 memory_info_address, u32 page_info_address,
+                            u32 query_address) {
     return QueryMemory(system, memory_info_address, page_info_address, query_address);
 }
 
-static ResultCode MapProcessCodeMemory(Core::System& system, Handle process_handle, u64 dst_address,
-                                       u64 src_address, u64 size) {
+static Result MapProcessCodeMemory(Core::System& system, Handle process_handle, u64 dst_address,
+                                   u64 src_address, u64 size) {
     LOG_DEBUG(Kernel_SVC,
               "called. process_handle=0x{:08X}, dst_address=0x{:016X}, "
               "src_address=0x{:016X}, size=0x{:016X}",
@@ -1647,8 +1673,8 @@ static ResultCode MapProcessCodeMemory(Core::System& system, Handle process_hand
     return page_table.MapCodeMemory(dst_address, src_address, size);
 }
 
-static ResultCode UnmapProcessCodeMemory(Core::System& system, Handle process_handle,
-                                         u64 dst_address, u64 src_address, u64 size) {
+static Result UnmapProcessCodeMemory(Core::System& system, Handle process_handle, u64 dst_address,
+                                     u64 src_address, u64 size) {
     LOG_DEBUG(Kernel_SVC,
               "called. process_handle=0x{:08X}, dst_address=0x{:016X}, src_address=0x{:016X}, "
               "size=0x{:016X}",
@@ -1719,11 +1745,12 @@ static ResultCode UnmapProcessCodeMemory(Core::System& system, Handle process_ha
 /// Exits the current process
 static void ExitProcess(Core::System& system) {
     auto* current_process = system.Kernel().CurrentProcess();
-    UNIMPLEMENTED();
 
     LOG_INFO(Kernel_SVC, "Process {} exiting", current_process->GetProcessID());
     ASSERT_MSG(current_process->GetStatus() == ProcessStatus::Running,
                "Process has already exited");
+
+    system.Exit();
 }
 
 static void ExitProcess32(Core::System& system) {
@@ -1739,8 +1766,8 @@ constexpr bool IsValidVirtualCoreId(int32_t core_id) {
 } // Anonymous namespace
 
 /// Creates a new thread
-static ResultCode CreateThread(Core::System& system, Handle* out_handle, VAddr entry_point, u64 arg,
-                               VAddr stack_bottom, u32 priority, s32 core_id) {
+static Result CreateThread(Core::System& system, Handle* out_handle, VAddr entry_point, u64 arg,
+                           VAddr stack_bottom, u32 priority, s32 core_id) {
     LOG_DEBUG(Kernel_SVC,
               "called entry_point=0x{:08X}, arg=0x{:08X}, stack_bottom=0x{:08X}, "
               "priority=0x{:08X}, core_id=0x{:08X}",
@@ -1811,13 +1838,13 @@ static ResultCode CreateThread(Core::System& system, Handle* out_handle, VAddr e
     return ResultSuccess;
 }
 
-static ResultCode CreateThread32(Core::System& system, Handle* out_handle, u32 priority,
-                                 u32 entry_point, u32 arg, u32 stack_top, s32 processor_id) {
+static Result CreateThread32(Core::System& system, Handle* out_handle, u32 priority,
+                             u32 entry_point, u32 arg, u32 stack_top, s32 processor_id) {
     return CreateThread(system, out_handle, entry_point, arg, stack_top, priority, processor_id);
 }
 
 /// Starts the thread for the provided handle
-static ResultCode StartThread(Core::System& system, Handle thread_handle) {
+static Result StartThread(Core::System& system, Handle thread_handle) {
     LOG_DEBUG(Kernel_SVC, "called thread=0x{:08X}", thread_handle);
 
     // Get the thread from its handle.
@@ -1835,7 +1862,7 @@ static ResultCode StartThread(Core::System& system, Handle thread_handle) {
     return ResultSuccess;
 }
 
-static ResultCode StartThread32(Core::System& system, Handle thread_handle) {
+static Result StartThread32(Core::System& system, Handle thread_handle) {
     return StartThread(system, thread_handle);
 }
 
@@ -1843,7 +1870,7 @@ static ResultCode StartThread32(Core::System& system, Handle thread_handle) {
 static void ExitThread(Core::System& system) {
     LOG_DEBUG(Kernel_SVC, "called, pc=0x{:08X}", system.CurrentArmInterface().GetPC());
 
-    auto* const current_thread = system.Kernel().CurrentScheduler()->GetCurrentThread();
+    auto* const current_thread = GetCurrentThreadPointer(system.Kernel());
     system.GlobalSchedulerContext().RemoveThread(current_thread);
     current_thread->Exit();
     system.Kernel().UnregisterInUseObject(current_thread);
@@ -1886,8 +1913,8 @@ static void SleepThread32(Core::System& system, u32 nanoseconds_low, u32 nanosec
 }
 
 /// Wait process wide key atomic
-static ResultCode WaitProcessWideKeyAtomic(Core::System& system, VAddr address, VAddr cv_key,
-                                           u32 tag, s64 timeout_ns) {
+static Result WaitProcessWideKeyAtomic(Core::System& system, VAddr address, VAddr cv_key, u32 tag,
+                                       s64 timeout_ns) {
     LOG_TRACE(Kernel_SVC, "called address={:X}, cv_key={:X}, tag=0x{:08X}, timeout_ns={}", address,
               cv_key, tag, timeout_ns);
 
@@ -1922,8 +1949,8 @@ static ResultCode WaitProcessWideKeyAtomic(Core::System& system, VAddr address,
         address, Common::AlignDown(cv_key, sizeof(u32)), tag, timeout);
 }
 
-static ResultCode WaitProcessWideKeyAtomic32(Core::System& system, u32 address, u32 cv_key, u32 tag,
-                                             u32 timeout_ns_low, u32 timeout_ns_high) {
+static Result WaitProcessWideKeyAtomic32(Core::System& system, u32 address, u32 cv_key, u32 tag,
+                                         u32 timeout_ns_low, u32 timeout_ns_high) {
     const auto timeout_ns = static_cast<s64>(timeout_ns_low | (u64{timeout_ns_high} << 32));
     return WaitProcessWideKeyAtomic(system, address, cv_key, tag, timeout_ns);
 }
@@ -1968,8 +1995,8 @@ constexpr bool IsValidArbitrationType(Svc::ArbitrationType type) {
 } // namespace
 
 // Wait for an address (via Address Arbiter)
-static ResultCode WaitForAddress(Core::System& system, VAddr address, Svc::ArbitrationType arb_type,
-                                 s32 value, s64 timeout_ns) {
+static Result WaitForAddress(Core::System& system, VAddr address, Svc::ArbitrationType arb_type,
+                             s32 value, s64 timeout_ns) {
     LOG_TRACE(Kernel_SVC, "called, address=0x{:X}, arb_type=0x{:X}, value=0x{:X}, timeout_ns={}",
               address, arb_type, value, timeout_ns);
 
@@ -2006,15 +2033,15 @@ static ResultCode WaitForAddress(Core::System& system, VAddr address, Svc::Arbit
     return system.Kernel().CurrentProcess()->WaitAddressArbiter(address, arb_type, value, timeout);
 }
 
-static ResultCode WaitForAddress32(Core::System& system, u32 address, Svc::ArbitrationType arb_type,
-                                   s32 value, u32 timeout_ns_low, u32 timeout_ns_high) {
+static Result WaitForAddress32(Core::System& system, u32 address, Svc::ArbitrationType arb_type,
+                               s32 value, u32 timeout_ns_low, u32 timeout_ns_high) {
     const auto timeout = static_cast<s64>(timeout_ns_low | (u64{timeout_ns_high} << 32));
     return WaitForAddress(system, address, arb_type, value, timeout);
 }
 
 // Signals to an address (via Address Arbiter)
-static ResultCode SignalToAddress(Core::System& system, VAddr address, Svc::SignalType signal_type,
-                                  s32 value, s32 count) {
+static Result SignalToAddress(Core::System& system, VAddr address, Svc::SignalType signal_type,
+                              s32 value, s32 count) {
     LOG_TRACE(Kernel_SVC, "called, address=0x{:X}, signal_type=0x{:X}, value=0x{:X}, count=0x{:X}",
               address, signal_type, value, count);
 
@@ -2055,8 +2082,8 @@ static void SynchronizePreemptionState(Core::System& system) {
     }
 }
 
-static ResultCode SignalToAddress32(Core::System& system, u32 address, Svc::SignalType signal_type,
-                                    s32 value, s32 count) {
+static Result SignalToAddress32(Core::System& system, u32 address, Svc::SignalType signal_type,
+                                s32 value, s32 count) {
     return SignalToAddress(system, address, signal_type, value, count);
 }
 
@@ -2094,7 +2121,7 @@ static void GetSystemTick32(Core::System& system, u32* time_low, u32* time_high)
 }
 
 /// Close a handle
-static ResultCode CloseHandle(Core::System& system, Handle handle) {
+static Result CloseHandle(Core::System& system, Handle handle) {
     LOG_TRACE(Kernel_SVC, "Closing handle 0x{:08X}", handle);
 
     // Remove the handle.
@@ -2104,12 +2131,12 @@ static ResultCode CloseHandle(Core::System& system, Handle handle) {
     return ResultSuccess;
 }
 
-static ResultCode CloseHandle32(Core::System& system, Handle handle) {
+static Result CloseHandle32(Core::System& system, Handle handle) {
     return CloseHandle(system, handle);
 }
 
 /// Clears the signaled state of an event or process.
-static ResultCode ResetSignal(Core::System& system, Handle handle) {
+static Result ResetSignal(Core::System& system, Handle handle) {
     LOG_DEBUG(Kernel_SVC, "called handle 0x{:08X}", handle);
 
     // Get the current handle table.
@@ -2136,7 +2163,7 @@ static ResultCode ResetSignal(Core::System& system, Handle handle) {
     return ResultInvalidHandle;
 }
 
-static ResultCode ResetSignal32(Core::System& system, Handle handle) {
+static Result ResetSignal32(Core::System& system, Handle handle) {
     return ResetSignal(system, handle);
 }
 
@@ -2156,8 +2183,8 @@ constexpr bool IsValidTransferMemoryPermission(MemoryPermission perm) {
 } // Anonymous namespace
 
 /// Creates a TransferMemory object
-static ResultCode CreateTransferMemory(Core::System& system, Handle* out, VAddr address, u64 size,
-                                       MemoryPermission map_perm) {
+static Result CreateTransferMemory(Core::System& system, Handle* out, VAddr address, u64 size,
+                                   MemoryPermission map_perm) {
     auto& kernel = system.Kernel();
 
     // Validate the size.
@@ -2203,13 +2230,13 @@ static ResultCode CreateTransferMemory(Core::System& system, Handle* out, VAddr
     return ResultSuccess;
 }
 
-static ResultCode CreateTransferMemory32(Core::System& system, Handle* out, u32 address, u32 size,
-                                         MemoryPermission map_perm) {
+static Result CreateTransferMemory32(Core::System& system, Handle* out, u32 address, u32 size,
+                                     MemoryPermission map_perm) {
     return CreateTransferMemory(system, out, address, size, map_perm);
 }
 
-static ResultCode GetThreadCoreMask(Core::System& system, Handle thread_handle, s32* out_core_id,
-                                    u64* out_affinity_mask) {
+static Result GetThreadCoreMask(Core::System& system, Handle thread_handle, s32* out_core_id,
+                                u64* out_affinity_mask) {
     LOG_TRACE(Kernel_SVC, "called, handle=0x{:08X}", thread_handle);
 
     // Get the thread from its handle.
@@ -2223,8 +2250,8 @@ static ResultCode GetThreadCoreMask(Core::System& system, Handle thread_handle,
     return ResultSuccess;
 }
 
-static ResultCode GetThreadCoreMask32(Core::System& system, Handle thread_handle, s32* out_core_id,
-                                      u32* out_affinity_mask_low, u32* out_affinity_mask_high) {
+static Result GetThreadCoreMask32(Core::System& system, Handle thread_handle, s32* out_core_id,
+                                  u32* out_affinity_mask_low, u32* out_affinity_mask_high) {
     u64 out_affinity_mask{};
     const auto result = GetThreadCoreMask(system, thread_handle, out_core_id, &out_affinity_mask);
     *out_affinity_mask_high = static_cast<u32>(out_affinity_mask >> 32);
@@ -2232,8 +2259,8 @@ static ResultCode GetThreadCoreMask32(Core::System& system, Handle thread_handle
     return result;
 }
 
-static ResultCode SetThreadCoreMask(Core::System& system, Handle thread_handle, s32 core_id,
-                                    u64 affinity_mask) {
+static Result SetThreadCoreMask(Core::System& system, Handle thread_handle, s32 core_id,
+                                u64 affinity_mask) {
     // Determine the core id/affinity mask.
     if (core_id == IdealCoreUseProcessValue) {
         core_id = system.Kernel().CurrentProcess()->GetIdealCoreId();
@@ -2264,13 +2291,13 @@ static ResultCode SetThreadCoreMask(Core::System& system, Handle thread_handle,
     return ResultSuccess;
 }
 
-static ResultCode SetThreadCoreMask32(Core::System& system, Handle thread_handle, s32 core_id,
-                                      u32 affinity_mask_low, u32 affinity_mask_high) {
+static Result SetThreadCoreMask32(Core::System& system, Handle thread_handle, s32 core_id,
+                                  u32 affinity_mask_low, u32 affinity_mask_high) {
     const auto affinity_mask = u64{affinity_mask_low} | (u64{affinity_mask_high} << 32);
     return SetThreadCoreMask(system, thread_handle, core_id, affinity_mask);
 }
 
-static ResultCode SignalEvent(Core::System& system, Handle event_handle) {
+static Result SignalEvent(Core::System& system, Handle event_handle) {
     LOG_DEBUG(Kernel_SVC, "called, event_handle=0x{:08X}", event_handle);
 
     // Get the current handle table.
@@ -2283,11 +2310,11 @@ static ResultCode SignalEvent(Core::System& system, Handle event_handle) {
     return writable_event->Signal();
 }
 
-static ResultCode SignalEvent32(Core::System& system, Handle event_handle) {
+static Result SignalEvent32(Core::System& system, Handle event_handle) {
     return SignalEvent(system, event_handle);
 }
 
-static ResultCode ClearEvent(Core::System& system, Handle event_handle) {
+static Result ClearEvent(Core::System& system, Handle event_handle) {
     LOG_TRACE(Kernel_SVC, "called, event_handle=0x{:08X}", event_handle);
 
     // Get the current handle table.
@@ -2314,11 +2341,11 @@ static ResultCode ClearEvent(Core::System& system, Handle event_handle) {
     return ResultInvalidHandle;
 }
 
-static ResultCode ClearEvent32(Core::System& system, Handle event_handle) {
+static Result ClearEvent32(Core::System& system, Handle event_handle) {
     return ClearEvent(system, event_handle);
 }
 
-static ResultCode CreateEvent(Core::System& system, Handle* out_write, Handle* out_read) {
+static Result CreateEvent(Core::System& system, Handle* out_write, Handle* out_read) {
     LOG_DEBUG(Kernel_SVC, "called");
 
     // Get the kernel reference and handle table.
@@ -2363,11 +2390,11 @@ static ResultCode CreateEvent(Core::System& system, Handle* out_write, Handle* o
     return ResultSuccess;
 }
 
-static ResultCode CreateEvent32(Core::System& system, Handle* out_write, Handle* out_read) {
+static Result CreateEvent32(Core::System& system, Handle* out_write, Handle* out_read) {
     return CreateEvent(system, out_write, out_read);
 }
 
-static ResultCode GetProcessInfo(Core::System& system, u64* out, Handle process_handle, u32 type) {
+static Result GetProcessInfo(Core::System& system, u64* out, Handle process_handle, u32 type) {
     LOG_DEBUG(Kernel_SVC, "called, handle=0x{:08X}, type=0x{:X}", process_handle, type);
 
     // This function currently only allows retrieving a process' status.
@@ -2393,7 +2420,7 @@ static ResultCode GetProcessInfo(Core::System& system, u64* out, Handle process_
     return ResultSuccess;
 }
 
-static ResultCode CreateResourceLimit(Core::System& system, Handle* out_handle) {
+static Result CreateResourceLimit(Core::System& system, Handle* out_handle) {
     LOG_DEBUG(Kernel_SVC, "called");
 
     // Create a new resource limit.
@@ -2416,9 +2443,8 @@ static ResultCode CreateResourceLimit(Core::System& system, Handle* out_handle)
     return ResultSuccess;
 }
 
-static ResultCode GetResourceLimitLimitValue(Core::System& system, u64* out_limit_value,
-                                             Handle resource_limit_handle,
-                                             LimitableResource which) {
+static Result GetResourceLimitLimitValue(Core::System& system, u64* out_limit_value,
+                                         Handle resource_limit_handle, LimitableResource which) {
     LOG_DEBUG(Kernel_SVC, "called, resource_limit_handle={:08X}, which={}", resource_limit_handle,
               which);
 
@@ -2437,9 +2463,8 @@ static ResultCode GetResourceLimitLimitValue(Core::System& system, u64* out_limi
     return ResultSuccess;
 }
 
-static ResultCode GetResourceLimitCurrentValue(Core::System& system, u64* out_current_value,
-                                               Handle resource_limit_handle,
-                                               LimitableResource which) {
+static Result GetResourceLimitCurrentValue(Core::System& system, u64* out_current_value,
+                                           Handle resource_limit_handle, LimitableResource which) {
     LOG_DEBUG(Kernel_SVC, "called, resource_limit_handle={:08X}, which={}", resource_limit_handle,
               which);
 
@@ -2458,8 +2483,8 @@ static ResultCode GetResourceLimitCurrentValue(Core::System& system, u64* out_cu
     return ResultSuccess;
 }
 
-static ResultCode SetResourceLimitLimitValue(Core::System& system, Handle resource_limit_handle,
-                                             LimitableResource which, u64 limit_value) {
+static Result SetResourceLimitLimitValue(Core::System& system, Handle resource_limit_handle,
+                                         LimitableResource which, u64 limit_value) {
     LOG_DEBUG(Kernel_SVC, "called, resource_limit_handle={:08X}, which={}, limit_value={}",
               resource_limit_handle, which, limit_value);
 
@@ -2478,8 +2503,8 @@ static ResultCode SetResourceLimitLimitValue(Core::System& system, Handle resour
     return ResultSuccess;
 }
 
-static ResultCode GetProcessList(Core::System& system, u32* out_num_processes,
-                                 VAddr out_process_ids, u32 out_process_ids_size) {
+static Result GetProcessList(Core::System& system, u32* out_num_processes, VAddr out_process_ids,
+                             u32 out_process_ids_size) {
     LOG_DEBUG(Kernel_SVC, "called. out_process_ids=0x{:016X}, out_process_ids_size={}",
               out_process_ids, out_process_ids_size);
 
@@ -2515,8 +2540,8 @@ static ResultCode GetProcessList(Core::System& system, u32* out_num_processes,
     return ResultSuccess;
 }
 
-static ResultCode GetThreadList(Core::System& system, u32* out_num_threads, VAddr out_thread_ids,
-                                u32 out_thread_ids_size, Handle debug_handle) {
+static Result GetThreadList(Core::System& system, u32* out_num_threads, VAddr out_thread_ids,
+                            u32 out_thread_ids_size, Handle debug_handle) {
     // TODO: Handle this case when debug events are supported.
     UNIMPLEMENTED_IF(debug_handle != InvalidHandle);
 
@@ -2530,7 +2555,7 @@ static ResultCode GetThreadList(Core::System& system, u32* out_num_threads, VAdd
         return ResultOutOfRange;
     }
 
-    const auto* const current_process = system.Kernel().CurrentProcess();
+    auto* const current_process = system.Kernel().CurrentProcess();
     const auto total_copy_size = out_thread_ids_size * sizeof(u64);
 
     if (out_thread_ids_size > 0 &&
@@ -2555,9 +2580,9 @@ static ResultCode GetThreadList(Core::System& system, u32* out_num_threads, VAdd
     return ResultSuccess;
 }
 
-static ResultCode FlushProcessDataCache32([[maybe_unused]] Core::System& system,
-                                          [[maybe_unused]] Handle handle,
-                                          [[maybe_unused]] u32 address, [[maybe_unused]] u32 size) {
+static Result FlushProcessDataCache32([[maybe_unused]] Core::System& system,
+                                      [[maybe_unused]] Handle handle, [[maybe_unused]] u32 address,
+                                      [[maybe_unused]] u32 size) {
     // Note(Blinkhawk): For emulation purposes of the data cache this is mostly a no-op,
     // as all emulation is done in the same cache level in host architecture, thus data cache
     // does not need flushing.
@@ -2982,11 +3007,10 @@ static const FunctionDef* GetSVCInfo64(u32 func_num) {
 }
 
 void Call(Core::System& system, u32 immediate) {
-    system.ExitDynarmicProfile();
     auto& kernel = system.Kernel();
     kernel.EnterSVCProfile();
 
-    auto* thread = kernel.CurrentScheduler()->GetCurrentThread();
+    auto* thread = GetCurrentThreadPointer(kernel);
     thread->SetIsCallingSvc();
 
     const FunctionDef* info = system.CurrentProcess()->Is64BitProcess() ? GetSVCInfo64(immediate)
@@ -3007,8 +3031,6 @@ void Call(Core::System& system, u32 immediate) {
         auto* host_context = thread->GetHostContext().get();
         host_context->Rewind();
     }
-
-    system.EnterDynarmicProfile();
 }
 
 } // namespace Kernel::Svc

src/core/hle/kernel/svc_results.h

@@ -9,34 +9,34 @@ namespace Kernel {
 
 // Confirmed Switch kernel error codes
 
-constexpr ResultCode ResultOutOfSessions{ErrorModule::Kernel, 7};
-constexpr ResultCode ResultInvalidArgument{ErrorModule::Kernel, 14};
-constexpr ResultCode ResultNoSynchronizationObject{ErrorModule::Kernel, 57};
-constexpr ResultCode ResultTerminationRequested{ErrorModule::Kernel, 59};
-constexpr ResultCode ResultInvalidSize{ErrorModule::Kernel, 101};
-constexpr ResultCode ResultInvalidAddress{ErrorModule::Kernel, 102};
-constexpr ResultCode ResultOutOfResource{ErrorModule::Kernel, 103};
-constexpr ResultCode ResultOutOfMemory{ErrorModule::Kernel, 104};
-constexpr ResultCode ResultOutOfHandles{ErrorModule::Kernel, 105};
-constexpr ResultCode ResultInvalidCurrentMemory{ErrorModule::Kernel, 106};
-constexpr ResultCode ResultInvalidNewMemoryPermission{ErrorModule::Kernel, 108};
-constexpr ResultCode ResultInvalidMemoryRegion{ErrorModule::Kernel, 110};
-constexpr ResultCode ResultInvalidPriority{ErrorModule::Kernel, 112};
-constexpr ResultCode ResultInvalidCoreId{ErrorModule::Kernel, 113};
-constexpr ResultCode ResultInvalidHandle{ErrorModule::Kernel, 114};
-constexpr ResultCode ResultInvalidPointer{ErrorModule::Kernel, 115};
-constexpr ResultCode ResultInvalidCombination{ErrorModule::Kernel, 116};
-constexpr ResultCode ResultTimedOut{ErrorModule::Kernel, 117};
-constexpr ResultCode ResultCancelled{ErrorModule::Kernel, 118};
-constexpr ResultCode ResultOutOfRange{ErrorModule::Kernel, 119};
-constexpr ResultCode ResultInvalidEnumValue{ErrorModule::Kernel, 120};
-constexpr ResultCode ResultNotFound{ErrorModule::Kernel, 121};
-constexpr ResultCode ResultBusy{ErrorModule::Kernel, 122};
-constexpr ResultCode ResultSessionClosed{ErrorModule::Kernel, 123};
-constexpr ResultCode ResultInvalidState{ErrorModule::Kernel, 125};
-constexpr ResultCode ResultReservedUsed{ErrorModule::Kernel, 126};
-constexpr ResultCode ResultPortClosed{ErrorModule::Kernel, 131};
-constexpr ResultCode ResultLimitReached{ErrorModule::Kernel, 132};
-constexpr ResultCode ResultInvalidId{ErrorModule::Kernel, 519};
+constexpr Result ResultOutOfSessions{ErrorModule::Kernel, 7};
+constexpr Result ResultInvalidArgument{ErrorModule::Kernel, 14};
+constexpr Result ResultNoSynchronizationObject{ErrorModule::Kernel, 57};
+constexpr Result ResultTerminationRequested{ErrorModule::Kernel, 59};
+constexpr Result ResultInvalidSize{ErrorModule::Kernel, 101};
+constexpr Result ResultInvalidAddress{ErrorModule::Kernel, 102};
+constexpr Result ResultOutOfResource{ErrorModule::Kernel, 103};
+constexpr Result ResultOutOfMemory{ErrorModule::Kernel, 104};
+constexpr Result ResultOutOfHandles{ErrorModule::Kernel, 105};
+constexpr Result ResultInvalidCurrentMemory{ErrorModule::Kernel, 106};
+constexpr Result ResultInvalidNewMemoryPermission{ErrorModule::Kernel, 108};
+constexpr Result ResultInvalidMemoryRegion{ErrorModule::Kernel, 110};
+constexpr Result ResultInvalidPriority{ErrorModule::Kernel, 112};
+constexpr Result ResultInvalidCoreId{ErrorModule::Kernel, 113};
+constexpr Result ResultInvalidHandle{ErrorModule::Kernel, 114};
+constexpr Result ResultInvalidPointer{ErrorModule::Kernel, 115};
+constexpr Result ResultInvalidCombination{ErrorModule::Kernel, 116};
+constexpr Result ResultTimedOut{ErrorModule::Kernel, 117};
+constexpr Result ResultCancelled{ErrorModule::Kernel, 118};
+constexpr Result ResultOutOfRange{ErrorModule::Kernel, 119};
+constexpr Result ResultInvalidEnumValue{ErrorModule::Kernel, 120};
+constexpr Result ResultNotFound{ErrorModule::Kernel, 121};
+constexpr Result ResultBusy{ErrorModule::Kernel, 122};
+constexpr Result ResultSessionClosed{ErrorModule::Kernel, 123};
+constexpr Result ResultInvalidState{ErrorModule::Kernel, 125};
+constexpr Result ResultReservedUsed{ErrorModule::Kernel, 126};
+constexpr Result ResultPortClosed{ErrorModule::Kernel, 131};
+constexpr Result ResultLimitReached{ErrorModule::Kernel, 132};
+constexpr Result ResultInvalidId{ErrorModule::Kernel, 519};
 
 } // namespace Kernel

src/core/hle/kernel/svc_wrap.h

@@ -33,24 +33,24 @@ static inline void FuncReturn32(Core::System& system, u32 result) {
 }
 
 ////////////////////////////////////////////////////////////////////////////////////////////////////
-// Function wrappers that return type ResultCode
+// Function wrappers that return type Result
 
-template <ResultCode func(Core::System&, u64)>
+template <Result func(Core::System&, u64)>
 void SvcWrap64(Core::System& system) {
     FuncReturn(system, func(system, Param(system, 0)).raw);
 }
 
-template <ResultCode func(Core::System&, u64, u64)>
+template <Result func(Core::System&, u64, u64)>
 void SvcWrap64(Core::System& system) {
     FuncReturn(system, func(system, Param(system, 0), Param(system, 1)).raw);
 }
 
-template <ResultCode func(Core::System&, u32)>
+template <Result func(Core::System&, u32)>
 void SvcWrap64(Core::System& system) {
     FuncReturn(system, func(system, static_cast<u32>(Param(system, 0))).raw);
 }
 
-template <ResultCode func(Core::System&, u32, u32)>
+template <Result func(Core::System&, u32, u32)>
 void SvcWrap64(Core::System& system) {
     FuncReturn(
         system,
@@ -58,14 +58,14 @@ void SvcWrap64(Core::System& system) {
 }
 
 // Used by SetThreadActivity
-template <ResultCode func(Core::System&, Handle, Svc::ThreadActivity)>
+template <Result func(Core::System&, Handle, Svc::ThreadActivity)>
 void SvcWrap64(Core::System& system) {
     FuncReturn(system, func(system, static_cast<u32>(Param(system, 0)),
                             static_cast<Svc::ThreadActivity>(Param(system, 1)))
                            .raw);
 }
 
-template <ResultCode func(Core::System&, u32, u64, u64, u64)>
+template <Result func(Core::System&, u32, u64, u64, u64)>
 void SvcWrap64(Core::System& system) {
     FuncReturn(system, func(system, static_cast<u32>(Param(system, 0)), Param(system, 1),
                             Param(system, 2), Param(system, 3))
@@ -73,7 +73,7 @@ void SvcWrap64(Core::System& system) {
 }
 
 // Used by MapProcessMemory and UnmapProcessMemory
-template <ResultCode func(Core::System&, u64, u32, u64, u64)>
+template <Result func(Core::System&, u64, u32, u64, u64)>
 void SvcWrap64(Core::System& system) {
     FuncReturn(system, func(system, Param(system, 0), static_cast<u32>(Param(system, 1)),
                             Param(system, 2), Param(system, 3))
@@ -81,7 +81,7 @@ void SvcWrap64(Core::System& system) {
 }
 
 // Used by ControlCodeMemory
-template <ResultCode func(Core::System&, Handle, u32, u64, u64, Svc::MemoryPermission)>
+template <Result func(Core::System&, Handle, u32, u64, u64, Svc::MemoryPermission)>
 void SvcWrap64(Core::System& system) {
     FuncReturn(system, func(system, static_cast<Handle>(Param(system, 0)),
                             static_cast<u32>(Param(system, 1)), Param(system, 2), Param(system, 3),
@@ -89,7 +89,7 @@ void SvcWrap64(Core::System& system) {
                            .raw);
 }
 
-template <ResultCode func(Core::System&, u32*)>
+template <Result func(Core::System&, u32*)>
 void SvcWrap64(Core::System& system) {
     u32 param = 0;
     const u32 retval = func(system, &param).raw;
@@ -97,7 +97,7 @@ void SvcWrap64(Core::System& system) {
     FuncReturn(system, retval);
 }
 
-template <ResultCode func(Core::System&, u32*, u32)>
+template <Result func(Core::System&, u32*, u32)>
 void SvcWrap64(Core::System& system) {
     u32 param_1 = 0;
     const u32 retval = func(system, &param_1, static_cast<u32>(Param(system, 1))).raw;
@@ -105,7 +105,7 @@ void SvcWrap64(Core::System& system) {
     FuncReturn(system, retval);
 }
 
-template <ResultCode func(Core::System&, u32*, u32*)>
+template <Result func(Core::System&, u32*, u32*)>
 void SvcWrap64(Core::System& system) {
     u32 param_1 = 0;
     u32 param_2 = 0;
@@ -118,7 +118,7 @@ void SvcWrap64(Core::System& system) {
     FuncReturn(system, retval);
 }
 
-template <ResultCode func(Core::System&, u32*, u64)>
+template <Result func(Core::System&, u32*, u64)>
 void SvcWrap64(Core::System& system) {
     u32 param_1 = 0;
     const u32 retval = func(system, &param_1, Param(system, 1)).raw;
@@ -126,7 +126,7 @@ void SvcWrap64(Core::System& system) {
     FuncReturn(system, retval);
 }
 
-template <ResultCode func(Core::System&, u32*, u64, u32)>
+template <Result func(Core::System&, u32*, u64, u32)>
 void SvcWrap64(Core::System& system) {
     u32 param_1 = 0;
     const u32 retval =
@@ -136,7 +136,7 @@ void SvcWrap64(Core::System& system) {
     FuncReturn(system, retval);
 }
 
-template <ResultCode func(Core::System&, u64*, u32)>
+template <Result func(Core::System&, u64*, u32)>
 void SvcWrap64(Core::System& system) {
     u64 param_1 = 0;
     const u32 retval = func(system, &param_1, static_cast<u32>(Param(system, 1))).raw;
@@ -145,12 +145,12 @@ void SvcWrap64(Core::System& system) {
     FuncReturn(system, retval);
 }
 
-template <ResultCode func(Core::System&, u64, u32)>
+template <Result func(Core::System&, u64, u32)>
 void SvcWrap64(Core::System& system) {
     FuncReturn(system, func(system, Param(system, 0), static_cast<u32>(Param(system, 1))).raw);
 }
 
-template <ResultCode func(Core::System&, u64*, u64)>
+template <Result func(Core::System&, u64*, u64)>
 void SvcWrap64(Core::System& system) {
     u64 param_1 = 0;
     const u32 retval = func(system, &param_1, Param(system, 1)).raw;
@@ -159,7 +159,7 @@ void SvcWrap64(Core::System& system) {
     FuncReturn(system, retval);
 }
 
-template <ResultCode func(Core::System&, u64*, u32, u32)>
+template <Result func(Core::System&, u64*, u32, u32)>
 void SvcWrap64(Core::System& system) {
     u64 param_1 = 0;
     const u32 retval = func(system, &param_1, static_cast<u32>(Param(system, 1)),
@@ -171,7 +171,7 @@ void SvcWrap64(Core::System& system) {
 }
 
 // Used by GetResourceLimitLimitValue.
-template <ResultCode func(Core::System&, u64*, Handle, LimitableResource)>
+template <Result func(Core::System&, u64*, Handle, LimitableResource)>
 void SvcWrap64(Core::System& system) {
     u64 param_1 = 0;
     const u32 retval = func(system, &param_1, static_cast<Handle>(Param(system, 1)),
@@ -182,13 +182,13 @@ void SvcWrap64(Core::System& system) {
     FuncReturn(system, retval);
 }
 
-template <ResultCode func(Core::System&, u32, u64)>
+template <Result func(Core::System&, u32, u64)>
 void SvcWrap64(Core::System& system) {
     FuncReturn(system, func(system, static_cast<u32>(Param(system, 0)), Param(system, 1)).raw);
 }
 
 // Used by SetResourceLimitLimitValue
-template <ResultCode func(Core::System&, Handle, LimitableResource, u64)>
+template <Result func(Core::System&, Handle, LimitableResource, u64)>
 void SvcWrap64(Core::System& system) {
     FuncReturn(system, func(system, static_cast<Handle>(Param(system, 0)),
                             static_cast<LimitableResource>(Param(system, 1)), Param(system, 2))
@@ -196,7 +196,7 @@ void SvcWrap64(Core::System& system) {
 }
 
 // Used by SetThreadCoreMask
-template <ResultCode func(Core::System&, Handle, s32, u64)>
+template <Result func(Core::System&, Handle, s32, u64)>
 void SvcWrap64(Core::System& system) {
     FuncReturn(system, func(system, static_cast<u32>(Param(system, 0)),
                             static_cast<s32>(Param(system, 1)), Param(system, 2))
@@ -204,44 +204,44 @@ void SvcWrap64(Core::System& system) {
 }
 
 // Used by GetThreadCoreMask
-template <ResultCode func(Core::System&, Handle, s32*, u64*)>
+template <Result func(Core::System&, Handle, s32*, u64*)>
 void SvcWrap64(Core::System& system) {
     s32 param_1 = 0;
     u64 param_2 = 0;
-    const ResultCode retval = func(system, static_cast<u32>(Param(system, 2)), &param_1, &param_2);
+    const Result retval = func(system, static_cast<u32>(Param(system, 2)), &param_1, &param_2);
 
     system.CurrentArmInterface().SetReg(1, param_1);
     system.CurrentArmInterface().SetReg(2, param_2);
     FuncReturn(system, retval.raw);
 }
 
-template <ResultCode func(Core::System&, u64, u64, u32, u32)>
+template <Result func(Core::System&, u64, u64, u32, u32)>
 void SvcWrap64(Core::System& system) {
     FuncReturn(system, func(system, Param(system, 0), Param(system, 1),
                             static_cast<u32>(Param(system, 2)), static_cast<u32>(Param(system, 3)))
                            .raw);
 }
 
-template <ResultCode func(Core::System&, u64, u64, u32, u64)>
+template <Result func(Core::System&, u64, u64, u32, u64)>
 void SvcWrap64(Core::System& system) {
     FuncReturn(system, func(system, Param(system, 0), Param(system, 1),
                             static_cast<u32>(Param(system, 2)), Param(system, 3))
                            .raw);
 }
 
-template <ResultCode func(Core::System&, u32, u64, u32)>
+template <Result func(Core::System&, u32, u64, u32)>
 void SvcWrap64(Core::System& system) {
     FuncReturn(system, func(system, static_cast<u32>(Param(system, 0)), Param(system, 1),
                             static_cast<u32>(Param(system, 2)))
                            .raw);
 }
 
-template <ResultCode func(Core::System&, u64, u64, u64)>
+template <Result func(Core::System&, u64, u64, u64)>
 void SvcWrap64(Core::System& system) {
     FuncReturn(system, func(system, Param(system, 0), Param(system, 1), Param(system, 2)).raw);
 }
 
-template <ResultCode func(Core::System&, u64, u64, u32)>
+template <Result func(Core::System&, u64, u64, u32)>
 void SvcWrap64(Core::System& system) {
     FuncReturn(
         system,
@@ -249,7 +249,7 @@ void SvcWrap64(Core::System& system) {
 }
 
 // Used by SetMemoryPermission
-template <ResultCode func(Core::System&, u64, u64, Svc::MemoryPermission)>
+template <Result 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)))
@@ -257,14 +257,14 @@ void SvcWrap64(Core::System& system) {
 }
 
 // Used by MapSharedMemory
-template <ResultCode func(Core::System&, Handle, u64, u64, Svc::MemoryPermission)>
+template <Result func(Core::System&, Handle, u64, u64, Svc::MemoryPermission)>
 void SvcWrap64(Core::System& system) {
     FuncReturn(system, func(system, static_cast<Handle>(Param(system, 0)), Param(system, 1),
                             Param(system, 2), static_cast<Svc::MemoryPermission>(Param(system, 3)))
                            .raw);
 }
 
-template <ResultCode func(Core::System&, u32, u64, u64)>
+template <Result func(Core::System&, u32, u64, u64)>
 void SvcWrap64(Core::System& system) {
     FuncReturn(
         system,
@@ -272,7 +272,7 @@ void SvcWrap64(Core::System& system) {
 }
 
 // Used by WaitSynchronization
-template <ResultCode func(Core::System&, s32*, u64, s32, s64)>
+template <Result func(Core::System&, s32*, u64, s32, s64)>
 void SvcWrap64(Core::System& system) {
     s32 param_1 = 0;
     const u32 retval = func(system, &param_1, Param(system, 1), static_cast<s32>(Param(system, 2)),
@@ -283,7 +283,7 @@ void SvcWrap64(Core::System& system) {
     FuncReturn(system, retval);
 }
 
-template <ResultCode func(Core::System&, u64, u64, u32, s64)>
+template <Result func(Core::System&, u64, u64, u32, s64)>
 void SvcWrap64(Core::System& system) {
     FuncReturn(system, func(system, Param(system, 0), Param(system, 1),
                             static_cast<u32>(Param(system, 2)), static_cast<s64>(Param(system, 3)))
@@ -291,7 +291,7 @@ void SvcWrap64(Core::System& system) {
 }
 
 // Used by GetInfo
-template <ResultCode func(Core::System&, u64*, u64, Handle, u64)>
+template <Result func(Core::System&, u64*, u64, Handle, u64)>
 void SvcWrap64(Core::System& system) {
     u64 param_1 = 0;
     const u32 retval = func(system, &param_1, Param(system, 1),
@@ -302,7 +302,7 @@ void SvcWrap64(Core::System& system) {
     FuncReturn(system, retval);
 }
 
-template <ResultCode func(Core::System&, u32*, u64, u64, u64, u32, s32)>
+template <Result func(Core::System&, u32*, u64, u64, u64, u32, s32)>
 void SvcWrap64(Core::System& system) {
     u32 param_1 = 0;
     const u32 retval = func(system, &param_1, Param(system, 1), Param(system, 2), Param(system, 3),
@@ -314,7 +314,7 @@ void SvcWrap64(Core::System& system) {
 }
 
 // Used by CreateTransferMemory
-template <ResultCode func(Core::System&, Handle*, u64, u64, Svc::MemoryPermission)>
+template <Result func(Core::System&, Handle*, u64, u64, Svc::MemoryPermission)>
 void SvcWrap64(Core::System& system) {
     u32 param_1 = 0;
     const u32 retval = func(system, &param_1, Param(system, 1), Param(system, 2),
@@ -326,7 +326,7 @@ void SvcWrap64(Core::System& system) {
 }
 
 // Used by CreateCodeMemory
-template <ResultCode func(Core::System&, Handle*, u64, u64)>
+template <Result func(Core::System&, Handle*, u64, u64)>
 void SvcWrap64(Core::System& system) {
     u32 param_1 = 0;
     const u32 retval = func(system, &param_1, Param(system, 1), Param(system, 2)).raw;
@@ -335,7 +335,7 @@ void SvcWrap64(Core::System& system) {
     FuncReturn(system, retval);
 }
 
-template <ResultCode func(Core::System&, Handle*, u64, u32, u32)>
+template <Result func(Core::System&, Handle*, u64, u32, u32)>
 void SvcWrap64(Core::System& system) {
     u32 param_1 = 0;
     const u32 retval = func(system, &param_1, Param(system, 1), static_cast<u32>(Param(system, 2)),
@@ -347,7 +347,7 @@ void SvcWrap64(Core::System& system) {
 }
 
 // Used by WaitForAddress
-template <ResultCode func(Core::System&, u64, Svc::ArbitrationType, s32, s64)>
+template <Result func(Core::System&, u64, Svc::ArbitrationType, s32, s64)>
 void SvcWrap64(Core::System& system) {
     FuncReturn(system,
                func(system, Param(system, 0), static_cast<Svc::ArbitrationType>(Param(system, 1)),
@@ -356,7 +356,7 @@ void SvcWrap64(Core::System& system) {
 }
 
 // Used by SignalToAddress
-template <ResultCode func(Core::System&, u64, Svc::SignalType, s32, s32)>
+template <Result func(Core::System&, u64, Svc::SignalType, s32, s32)>
 void SvcWrap64(Core::System& system) {
     FuncReturn(system,
                func(system, Param(system, 0), static_cast<Svc::SignalType>(Param(system, 1)),
@@ -425,7 +425,7 @@ void SvcWrap64(Core::System& system) {
 }
 
 // Used by QueryMemory32, ArbitrateLock32
-template <ResultCode func(Core::System&, u32, u32, u32)>
+template <Result func(Core::System&, u32, u32, u32)>
 void SvcWrap32(Core::System& system) {
     FuncReturn32(system,
                  func(system, Param32(system, 0), Param32(system, 1), Param32(system, 2)).raw);
@@ -456,7 +456,7 @@ void SvcWrap32(Core::System& system) {
 }
 
 // Used by CreateThread32
-template <ResultCode func(Core::System&, Handle*, u32, u32, u32, u32, s32)>
+template <Result func(Core::System&, Handle*, u32, u32, u32, u32, s32)>
 void SvcWrap32(Core::System& system) {
     Handle param_1 = 0;
 
@@ -469,7 +469,7 @@ void SvcWrap32(Core::System& system) {
 }
 
 // Used by GetInfo32
-template <ResultCode func(Core::System&, u32*, u32*, u32, u32, u32, u32)>
+template <Result func(Core::System&, u32*, u32*, u32, u32, u32, u32)>
 void SvcWrap32(Core::System& system) {
     u32 param_1 = 0;
     u32 param_2 = 0;
@@ -484,7 +484,7 @@ void SvcWrap32(Core::System& system) {
 }
 
 // Used by GetThreadPriority32, ConnectToNamedPort32
-template <ResultCode func(Core::System&, u32*, u32)>
+template <Result func(Core::System&, u32*, u32)>
 void SvcWrap32(Core::System& system) {
     u32 param_1 = 0;
     const u32 retval = func(system, &param_1, Param32(system, 1)).raw;
@@ -493,7 +493,7 @@ void SvcWrap32(Core::System& system) {
 }
 
 // Used by GetThreadId32
-template <ResultCode func(Core::System&, u32*, u32*, u32)>
+template <Result func(Core::System&, u32*, u32*, u32)>
 void SvcWrap32(Core::System& system) {
     u32 param_1 = 0;
     u32 param_2 = 0;
@@ -516,7 +516,7 @@ void SvcWrap32(Core::System& system) {
 }
 
 // Used by CreateEvent32
-template <ResultCode func(Core::System&, Handle*, Handle*)>
+template <Result func(Core::System&, Handle*, Handle*)>
 void SvcWrap32(Core::System& system) {
     Handle param_1 = 0;
     Handle param_2 = 0;
@@ -528,7 +528,7 @@ void SvcWrap32(Core::System& system) {
 }
 
 // Used by GetThreadId32
-template <ResultCode func(Core::System&, Handle, u32*, u32*, u32*)>
+template <Result func(Core::System&, Handle, u32*, u32*, u32*)>
 void SvcWrap32(Core::System& system) {
     u32 param_1 = 0;
     u32 param_2 = 0;
@@ -542,7 +542,7 @@ void SvcWrap32(Core::System& system) {
 }
 
 // Used by GetThreadCoreMask32
-template <ResultCode func(Core::System&, Handle, s32*, u32*, u32*)>
+template <Result func(Core::System&, Handle, s32*, u32*, u32*)>
 void SvcWrap32(Core::System& system) {
     s32 param_1 = 0;
     u32 param_2 = 0;
@@ -562,7 +562,7 @@ void SvcWrap32(Core::System& system) {
 }
 
 // Used by SetThreadActivity32
-template <ResultCode func(Core::System&, Handle, Svc::ThreadActivity)>
+template <Result func(Core::System&, Handle, Svc::ThreadActivity)>
 void SvcWrap32(Core::System& system) {
     const u32 retval = func(system, static_cast<Handle>(Param(system, 0)),
                             static_cast<Svc::ThreadActivity>(Param(system, 1)))
@@ -571,7 +571,7 @@ void SvcWrap32(Core::System& system) {
 }
 
 // Used by SetThreadPriority32
-template <ResultCode func(Core::System&, Handle, u32)>
+template <Result func(Core::System&, Handle, u32)>
 void SvcWrap32(Core::System& system) {
     const u32 retval =
         func(system, static_cast<Handle>(Param(system, 0)), static_cast<u32>(Param(system, 1))).raw;
@@ -579,7 +579,7 @@ void SvcWrap32(Core::System& system) {
 }
 
 // Used by SetMemoryAttribute32
-template <ResultCode func(Core::System&, Handle, u32, u32, u32)>
+template <Result func(Core::System&, Handle, u32, u32, u32)>
 void SvcWrap32(Core::System& system) {
     const u32 retval =
         func(system, static_cast<Handle>(Param(system, 0)), static_cast<u32>(Param(system, 1)),
@@ -589,7 +589,7 @@ void SvcWrap32(Core::System& system) {
 }
 
 // Used by MapSharedMemory32
-template <ResultCode func(Core::System&, Handle, u32, u32, Svc::MemoryPermission)>
+template <Result func(Core::System&, Handle, u32, u32, Svc::MemoryPermission)>
 void SvcWrap32(Core::System& system) {
     const u32 retval = func(system, static_cast<Handle>(Param(system, 0)),
                             static_cast<u32>(Param(system, 1)), static_cast<u32>(Param(system, 2)),
@@ -599,7 +599,7 @@ void SvcWrap32(Core::System& system) {
 }
 
 // Used by SetThreadCoreMask32
-template <ResultCode func(Core::System&, Handle, s32, u32, u32)>
+template <Result func(Core::System&, Handle, s32, u32, u32)>
 void SvcWrap32(Core::System& system) {
     const u32 retval =
         func(system, static_cast<Handle>(Param(system, 0)), static_cast<s32>(Param(system, 1)),
@@ -609,7 +609,7 @@ void SvcWrap32(Core::System& system) {
 }
 
 // Used by WaitProcessWideKeyAtomic32
-template <ResultCode func(Core::System&, u32, u32, Handle, u32, u32)>
+template <Result func(Core::System&, u32, u32, Handle, u32, u32)>
 void SvcWrap32(Core::System& system) {
     const u32 retval =
         func(system, static_cast<u32>(Param(system, 0)), static_cast<u32>(Param(system, 1)),
@@ -620,7 +620,7 @@ void SvcWrap32(Core::System& system) {
 }
 
 // Used by WaitForAddress32
-template <ResultCode func(Core::System&, u32, Svc::ArbitrationType, s32, u32, u32)>
+template <Result func(Core::System&, u32, Svc::ArbitrationType, s32, u32, u32)>
 void SvcWrap32(Core::System& system) {
     const u32 retval = func(system, static_cast<u32>(Param(system, 0)),
                             static_cast<Svc::ArbitrationType>(Param(system, 1)),
@@ -631,7 +631,7 @@ void SvcWrap32(Core::System& system) {
 }
 
 // Used by SignalToAddress32
-template <ResultCode func(Core::System&, u32, Svc::SignalType, s32, s32)>
+template <Result func(Core::System&, u32, Svc::SignalType, s32, s32)>
 void SvcWrap32(Core::System& system) {
     const u32 retval = func(system, static_cast<u32>(Param(system, 0)),
                             static_cast<Svc::SignalType>(Param(system, 1)),
@@ -641,13 +641,13 @@ void SvcWrap32(Core::System& system) {
 }
 
 // Used by SendSyncRequest32, ArbitrateUnlock32
-template <ResultCode func(Core::System&, u32)>
+template <Result func(Core::System&, u32)>
 void SvcWrap32(Core::System& system) {
     FuncReturn(system, func(system, static_cast<u32>(Param(system, 0))).raw);
 }
 
 // Used by CreateTransferMemory32
-template <ResultCode func(Core::System&, Handle*, u32, u32, Svc::MemoryPermission)>
+template <Result func(Core::System&, Handle*, u32, u32, Svc::MemoryPermission)>
 void SvcWrap32(Core::System& system) {
     Handle handle = 0;
     const u32 retval = func(system, &handle, Param32(system, 1), Param32(system, 2),
@@ -658,7 +658,7 @@ void SvcWrap32(Core::System& system) {
 }
 
 // Used by WaitSynchronization32
-template <ResultCode func(Core::System&, u32, u32, s32, u32, s32*)>
+template <Result func(Core::System&, u32, u32, s32, u32, s32*)>
 void SvcWrap32(Core::System& system) {
     s32 param_1 = 0;
     const u32 retval = func(system, Param32(system, 0), Param32(system, 1), Param32(system, 2),
@@ -669,7 +669,7 @@ void SvcWrap32(Core::System& system) {
 }
 
 // Used by CreateCodeMemory32
-template <ResultCode func(Core::System&, Handle*, u32, u32)>
+template <Result func(Core::System&, Handle*, u32, u32)>
 void SvcWrap32(Core::System& system) {
     Handle handle = 0;
 
@@ -680,7 +680,7 @@ void SvcWrap32(Core::System& system) {
 }
 
 // Used by ControlCodeMemory32
-template <ResultCode func(Core::System&, Handle, u32, u64, u64, Svc::MemoryPermission)>
+template <Result func(Core::System&, Handle, u32, u64, u64, Svc::MemoryPermission)>
 void SvcWrap32(Core::System& system) {
     const u32 retval =
         func(system, Param32(system, 0), Param32(system, 1), Param(system, 2), Param(system, 4),