"Merge Tagged PR 1012"

vk_compute_pass: Add compute passes to emulate missing Vulkan features

.appveyor/UtilityFunctions.ps1

@@ -1,39 +0,0 @@
-# Set-up Visual Studio Command Prompt environment for PowerShell
-pushd "C:\Program Files (x86)\Microsoft Visual Studio\2017\Community\Common7\Tools\"
-cmd /c "VsDevCmd.bat -arch=x64 & set" | foreach {
-    if ($_ -match "=") {
-        $v = $_.split("="); Set-Item -Force -Path "ENV:\$($v[0])" -Value "$($v[1])"
-    }
-}
-popd
-
-function Which ($search_path, $name) {
-    ($search_path).Split(";") | Get-ChildItem -Filter $name | Select -First 1 -Exp FullName
-}
-
-function GetDeps ($search_path, $binary) {
-    ((dumpbin /dependents $binary).Where({ $_ -match "dependencies:"}, "SkipUntil") | Select-String "[^ ]*\.dll").Matches | foreach {
-        Which $search_path $_.Value
-    }
-}
-
-function RecursivelyGetDeps ($search_path, $binary) {
-    $final_deps = @()
-    $deps_to_process = GetDeps $search_path $binary
-    while ($deps_to_process.Count -gt 0) {
-        $current, $deps_to_process = $deps_to_process
-        if ($final_deps -contains $current) { continue }
-
-        # Is this a system dll file?
-        # We use the same algorithm that cmake uses to determine this.
-        if ($current -match "$([regex]::Escape($env:SystemRoot))\\sys") { continue }
-        if ($current -match "$([regex]::Escape($env:WinDir))\\sys") { continue }
-        if ($current -match "\\msvc[^\\]+dll") { continue }
-        if ($current -match "\\api-ms-win-[^\\]+dll") { continue }
-
-        $final_deps += $current
-        $new_deps = GetDeps $search_path $current
-        $deps_to_process += ($new_deps | ?{-not ($final_deps -contains $_)})
-    }
-    return $final_deps
-}

.ci/scripts/common/post-upload.sh

@@ -4,9 +4,13 @@
 cp license.txt "$DIR_NAME"
 cp README.md "$DIR_NAME"
 
+tar -cJvf "${REV_NAME}-source.tar.xz" src externals CMakeLists.txt README.md license.txt
+cp "${REV_NAME}-source.tar.xz" "$DIR_NAME"
+
 tar $COMPRESSION_FLAGS "$ARCHIVE_NAME" "$DIR_NAME"
 
 mv "$DIR_NAME" $RELEASE_NAME
+mv "${REV_NAME}-source.tar.xz" $RELEASE_NAME
 
 7z a "$REV_NAME.7z" $RELEASE_NAME
 

.ci/scripts/windows/upload.ps1

@@ -1,11 +1,12 @@
 param($BUILD_NAME)
 
-$GITDATE = $(git show -s --date=short --format='%ad') -replace "-",""
+$GITDATE = $(git show -s --date=short --format='%ad') -replace "-", ""
 $GITREV = $(git show -s --format='%h')
 
 if ("$BUILD_NAME" -eq "mainline") {
     $RELEASE_DIST = "yuzu-windows-msvc"
-} else {
+}
+else {
     $RELEASE_DIST = "yuzu-windows-msvc-$BUILD_NAME"
 }
 
@@ -14,6 +15,9 @@ $MSVC_BUILD_PDB = "yuzu-windows-msvc-$GITDATE-$GITREV-debugsymbols.zip" -replace
 $MSVC_SEVENZIP = "yuzu-windows-msvc-$GITDATE-$GITREV.7z" -replace " ", ""
 $MSVC_TAR = "yuzu-windows-msvc-$GITDATE-$GITREV.tar" -replace " ", ""
 $MSVC_TARXZ = "yuzu-windows-msvc-$GITDATE-$GITREV.tar.xz" -replace " ", ""
+$MSVC_SOURCE = "yuzu-windows-msvc-source-$GITDATE-$GITREV" -replace " ", ""
+$MSVC_SOURCE_TAR = "$MSVC_SOURCE.tar"
+$MSVC_SOURCE_TARXZ = "$MSVC_SOURCE_TAR.xz"
 
 $env:BUILD_ZIP = $MSVC_BUILD_ZIP
 $env:BUILD_SYMBOLS = $MSVC_BUILD_PDB
@@ -21,19 +25,34 @@ $env:BUILD_UPDATE = $MSVC_SEVENZIP
 
 $BUILD_DIR = ".\build\bin\Release"
 
+# Upload debugging symbols
 mkdir pdb
 Get-ChildItem "$BUILD_DIR\" -Recurse -Filter "*.pdb" | Copy-Item -destination .\pdb
 7z a -tzip $MSVC_BUILD_PDB .\pdb\*.pdb
 rm "$BUILD_DIR\*.pdb"
+
+# Create artifact directories
 mkdir $RELEASE_DIST
+mkdir $MSVC_SOURCE
 mkdir "artifacts"
 
+# Build a tar.xz for the source of the release
+Copy-Item .\license.txt -Destination $MSVC_SOURCE
+Copy-Item .\README.md -Destination $MSVC_SOURCE
+Copy-Item .\CMakeLists.txt -Destination $MSVC_SOURCE
+Copy-Item .\src -Recurse -Destination $MSVC_SOURCE
+Copy-Item .\externals -Recurse -Destination $MSVC_SOURCE
+Copy-Item .\dist -Recurse -Destination $MSVC_SOURCE
+Copy-Item .\CMakeModules -Recurse -Destination $MSVC_SOURCE
+7z a -r -ttar $MSVC_SOURCE_TAR $MSVC_SOURCE
+7z a -r -txz $MSVC_SOURCE_TARXZ $MSVC_SOURCE_TAR
+
+# Build the final release artifacts
+Copy-Item $MSVC_SOURCE_TARXZ -Destination $RELEASE_DIST
 Copy-Item "$BUILD_DIR\*" -Destination $RELEASE_DIST -Recurse
 rm "$RELEASE_DIST\*.exe"
 Get-ChildItem "$BUILD_DIR" -Recurse -Filter "yuzu*.exe" | Copy-Item -destination $RELEASE_DIST
 Get-ChildItem "$BUILD_DIR" -Recurse -Filter "QtWebEngineProcess*.exe" | Copy-Item -destination $RELEASE_DIST
-Copy-Item .\license.txt -Destination $RELEASE_DIST
-Copy-Item .\README.md -Destination $RELEASE_DIST
 7z a -tzip $MSVC_BUILD_ZIP $RELEASE_DIST\*
 7z a $MSVC_SEVENZIP $RELEASE_DIST
 
@@ -42,4 +61,4 @@ Copy-Item .\README.md -Destination $RELEASE_DIST
 
 Get-ChildItem . -Filter "*.zip" | Copy-Item -destination "artifacts"
 Get-ChildItem . -Filter "*.7z" | Copy-Item -destination "artifacts"
-Get-ChildItem . -Filter "*.tar.xz" | Copy-Item -destination "artifacts"
+Get-ChildItem . -Filter "*.tar.xz" | Copy-Item -destination "artifacts"

.ci/yuzu-patreon-step2.yml

@@ -10,6 +10,7 @@ stages:
   jobs:
   - job: format
     displayName: 'clang'
+    continueOnError: true
     pool:
       vmImage: ubuntu-latest
     steps:

CMakeLists.txt

@@ -29,7 +29,7 @@ option(ENABLE_VULKAN "Enables Vulkan backend" ON)
 
 option(USE_DISCORD_PRESENCE "Enables Discord Rich Presence" OFF)
 
-if(NOT EXISTS ${PROJECT_SOURCE_DIR}/.git/hooks/pre-commit)
+if(EXISTS ${PROJECT_SOURCE_DIR}/hooks/pre-commit AND NOT EXISTS ${PROJECT_SOURCE_DIR}/.git/hooks/pre-commit)
     message(STATUS "Copying pre-commit hook")
     file(COPY hooks/pre-commit
         DESTINATION ${PROJECT_SOURCE_DIR}/.git/hooks)
@@ -49,7 +49,10 @@ function(check_submodules_present)
         endif()
     endforeach()
 endfunction()
-check_submodules_present()
+
+if(EXISTS ${PROJECT_SOURCE_DIR}/.gitmodules)
+    check_submodules_present()
+endif()
 
 configure_file(${PROJECT_SOURCE_DIR}/dist/compatibility_list/compatibility_list.qrc
                ${PROJECT_BINARY_DIR}/dist/compatibility_list/compatibility_list.qrc

CONTRIBUTING.md

@@ -1 +1 @@
-**The Contributor's Guide has moved to [the Yuzu wiki](https://github.com/yuzu-emu/yuzu/wiki/Contributing).**
+**The Contributor's Guide has moved to [the yuzu wiki](https://github.com/yuzu-emu/yuzu/wiki/Contributing).**

appveyor.yml

@@ -1,178 +0,0 @@
-# shallow clone
-clone_depth: 10
-
-cache:
-  - C:\ProgramData\chocolatey\bin -> appveyor.yml
-  - C:\ProgramData\chocolatey\lib -> appveyor.yml
-
-os: Visual Studio 2017
-
-environment:
-  # Tell msys2 to add mingw64 to the path
-  MSYSTEM: MINGW64
-  # Tell msys2 to inherit the current directory when starting the shell
-  CHERE_INVOKING: 1
-  matrix:
-    - BUILD_TYPE: msvc
-    - BUILD_TYPE: mingw
-
-platform:
-  - x64
-
-configuration:
-  - Release
-
-install:
-  - git submodule update --init --recursive
-  - ps: |
-        if ($env:BUILD_TYPE -eq 'mingw') {
-          $dependencies = "mingw64/mingw-w64-x86_64-cmake",
-                          "mingw64/mingw-w64-x86_64-qt5",
-                          "mingw64/mingw-w64-x86_64-SDL2"
-          # redirect err to null to prevent warnings from becoming errors
-          # workaround to prevent pacman from failing due to cyclical dependencies
-          C:\msys64\usr\bin\bash -lc "pacman --noconfirm -S mingw64/mingw-w64-x86_64-freetype mingw64/mingw-w64-x86_64-fontconfig" 2> $null
-          C:\msys64\usr\bin\bash -lc "pacman --noconfirm -S $dependencies" 2> $null
-        }
-
-before_build:
-  - mkdir %BUILD_TYPE%_build
-  - cd %BUILD_TYPE%_build
-  - ps: |
-        $COMPAT = if ($env:ENABLE_COMPATIBILITY_REPORTING -eq $null) {0} else {$env:ENABLE_COMPATIBILITY_REPORTING}
-        if ($env:BUILD_TYPE -eq 'msvc') {
-          # redirect stderr and change the exit code to prevent powershell from cancelling the build if cmake prints a warning
-          cmd /C 'cmake -G "Visual Studio 15 2017 Win64" -DYUZU_USE_BUNDLED_QT=1 -DYUZU_USE_BUNDLED_SDL2=1 -DYUZU_USE_BUNDLED_UNICORN=1 -DYUZU_USE_QT_WEB_ENGINE=ON -DENABLE_COMPATIBILITY_LIST_DOWNLOAD=ON -DYUZU_ENABLE_COMPATIBILITY_REPORTING=${COMPAT} -DUSE_DISCORD_PRESENCE=ON .. 2>&1 && exit 0'
-        } else {
-          C:\msys64\usr\bin\bash.exe -lc "cmake -G 'MSYS Makefiles' -DYUZU_BUILD_UNICORN=1 -DCMAKE_BUILD_TYPE=Release -DENABLE_COMPATIBILITY_LIST_DOWNLOAD=ON -DYUZU_ENABLE_COMPATIBILITY_REPORTING=${COMPAT} -DUSE_DISCORD_PRESENCE=ON .. 2>&1"
-        }
-  - cd ..
-
-build_script:
-  - ps: |
-        if ($env:BUILD_TYPE -eq 'msvc') {
-          # https://www.appveyor.com/docs/build-phase
-          msbuild msvc_build/yuzu.sln /maxcpucount /logger:"C:\Program Files\AppVeyor\BuildAgent\Appveyor.MSBuildLogger.dll"
-        } else {
-          C:\msys64\usr\bin\bash.exe -lc 'mingw32-make -C mingw_build/ 2>&1'
-        }
-
-after_build:
-  - ps: |
-        $GITDATE = $(git show -s --date=short --format='%ad') -replace "-",""
-        $GITREV = $(git show -s --format='%h')
-
-        # Find out which kind of release we are producing by tag name
-        if ($env:APPVEYOR_REPO_TAG_NAME) {
-          $RELEASE_DIST, $RELEASE_VERSION = $env:APPVEYOR_REPO_TAG_NAME.split('-')
-        } else {
-          # There is no repo tag - make assumptions
-          $RELEASE_DIST = "head"
-        }
-
-        if ($env:BUILD_TYPE -eq 'msvc') {
-          # Where are these spaces coming from? Regardless, let's remove them
-          $MSVC_BUILD_ZIP = "yuzu-windows-msvc-$GITDATE-$GITREV.zip" -replace " ", ""
-          $MSVC_BUILD_PDB = "yuzu-windows-msvc-$GITDATE-$GITREV-debugsymbols.zip" -replace " ", ""
-          $MSVC_SEVENZIP = "yuzu-windows-msvc-$GITDATE-$GITREV.7z" -replace " ", ""
-
-          # set the build names as env vars so the artifacts can upload them
-          $env:BUILD_ZIP = $MSVC_BUILD_ZIP
-          $env:BUILD_SYMBOLS = $MSVC_BUILD_PDB
-          $env:BUILD_UPDATE = $MSVC_SEVENZIP
-
-          $BUILD_DIR = ".\msvc_build\bin\Release"
-
-          # Make a debug symbol upload
-          mkdir pdb
-          Get-ChildItem "$BUILD_DIR\" -Recurse -Filter "*.pdb" | Copy-Item -destination .\pdb
-          7z a -tzip $MSVC_BUILD_PDB .\pdb\*.pdb
-          rm "$BUILD_DIR\*.pdb"
-
-          mkdir $RELEASE_DIST
-          # get rid of extra exes by copying everything over, then deleting all the exes, then copying just the exes we want
-          Copy-Item "$BUILD_DIR\*" -Destination $RELEASE_DIST -Recurse
-          rm "$RELEASE_DIST\*.exe"
-          Get-ChildItem "$BUILD_DIR" -Recurse -Filter "yuzu*.exe" | Copy-Item -destination $RELEASE_DIST
-          Get-ChildItem "$BUILD_DIR" -Recurse -Filter "QtWebEngineProcess*.exe" | Copy-Item -destination $RELEASE_DIST
-          Copy-Item .\license.txt -Destination $RELEASE_DIST
-          Copy-Item .\README.md -Destination $RELEASE_DIST
-          7z a -tzip $MSVC_BUILD_ZIP $RELEASE_DIST\*
-          7z a $MSVC_SEVENZIP $RELEASE_DIST
-        } else {
-          $MINGW_BUILD_ZIP = "yuzu-windows-mingw-$GITDATE-$GITREV.zip" -replace " ", ""
-          $MINGW_SEVENZIP = "yuzu-windows-mingw-$GITDATE-$GITREV.7z" -replace " ", ""
-          # not going to bother adding separate debug symbols for mingw, so just upload a README for it
-          # if someone wants to add them, change mingw to compile with -g and use objdump and strip to separate the symbols from the binary
-          $MINGW_NO_DEBUG_SYMBOLS = "README_No_Debug_Symbols.txt"
-          Set-Content -Path $MINGW_NO_DEBUG_SYMBOLS -Value "This is a workaround for Appveyor since msvc has debug symbols but mingw doesnt" -Force
-
-          # store the build information in env vars so we can use them as artifacts
-          $env:BUILD_ZIP = $MINGW_BUILD_ZIP
-          $env:BUILD_SYMBOLS = $MINGW_NO_DEBUG_SYMBOLS
-          $env:BUILD_UPDATE = $MINGW_SEVENZIP
-
-          $CMAKE_SOURCE_DIR = "$env:APPVEYOR_BUILD_FOLDER"
-          $CMAKE_BINARY_DIR = "$CMAKE_SOURCE_DIR/mingw_build/bin"
-          $RELEASE_DIST = $RELEASE_DIST + "-mingw"
-
-          mkdir $RELEASE_DIST
-          mkdir $RELEASE_DIST/platforms
-          mkdir $RELEASE_DIST/styles
-          mkdir $RELEASE_DIST/imageformats
-
-          # copy the compiled binaries and other release files to the release folder
-          Get-ChildItem "$CMAKE_BINARY_DIR" -Filter "yuzu*.exe" | Copy-Item -destination $RELEASE_DIST
-          Copy-Item -path "$CMAKE_SOURCE_DIR/license.txt" -destination $RELEASE_DIST
-          Copy-Item -path "$CMAKE_SOURCE_DIR/README.md" -destination $RELEASE_DIST
-
-          # copy the qt windows plugin dll to platforms
-          Copy-Item -path "C:/msys64/mingw64/share/qt5/plugins/platforms/qwindows.dll" -force -destination "$RELEASE_DIST/platforms"
-
-          # copy the qt windows vista style dll to platforms
-          Copy-Item -path "C:/msys64/mingw64/share/qt5/plugins/styles/qwindowsvistastyle.dll" -force -destination "$RELEASE_DIST/styles"
-
-          # copy the qt jpeg imageformat dll to platforms
-          Copy-Item -path "C:/msys64/mingw64/share/qt5/plugins/imageformats/qjpeg.dll" -force -destination "$RELEASE_DIST/imageformats"
-
-          # copy all the dll dependencies to the release folder
-          . "./.appveyor/UtilityFunctions.ps1"
-          $DLLSearchPath = "C:\msys64\mingw64\bin;$env:PATH"
-          $MingwDLLs = RecursivelyGetDeps $DLLSearchPath "$RELEASE_DIST\yuzu.exe"
-          $MingwDLLs += RecursivelyGetDeps $DLLSearchPath  "$RELEASE_DIST\yuzu_cmd.exe"
-          $MingwDLLs += RecursivelyGetDeps $DLLSearchPath  "$RELEASE_DIST\imageformats\qjpeg.dll"
-          Write-Host "Detected the following dependencies:"
-          Write-Host $MingwDLLs
-          foreach ($file in $MingwDLLs) {
-            Copy-Item -path "$file" -force -destination "$RELEASE_DIST"
-          }
-
-          7z a -tzip $MINGW_BUILD_ZIP $RELEASE_DIST\*
-          7z a $MINGW_SEVENZIP $RELEASE_DIST
-        }
-
-test_script:
-  - cd %BUILD_TYPE%_build
-  - ps: |
-        if ($env:BUILD_TYPE -eq 'msvc') {
-          ctest -VV -C Release
-        } else {
-          C:\msys64\usr\bin\bash.exe -lc "ctest -VV -C Release"
-        }
-  - cd ..
-
-artifacts:
-  - path: $(BUILD_ZIP)
-    name: build
-    type: zip
-
-deploy:
-  provider: GitHub
-  release: $(appveyor_repo_tag_name)
-  auth_token:
-    secure: QqePPnXbkzmXct5c8hZ2X5AbsthbI6cS1Sr+VBzcD8oUOIjfWJJKXVAQGUbQAbb0
-  artifact: update,build
-  draft: false
-  prerelease: false
-  on:
-    appveyor_repo_tag: true

externals/microprofile/microprofile.h

@@ -814,7 +814,7 @@ struct MicroProfile
 
 inline int MicroProfileLogType(MicroProfileLogEntry Index)
 {
-    return ((MP_LOG_BEGIN_MASK & Index)>>62) & 0x3;
+    return (int)(((MP_LOG_BEGIN_MASK & Index)>>62) & 0x3ULL);
 }
 
 inline uint64_t MicroProfileLogTimerIndex(MicroProfileLogEntry Index)
@@ -861,12 +861,12 @@ T MicroProfileMax(T a, T b)
 
 inline int64_t MicroProfileMsToTick(float fMs, int64_t nTicksPerSecond)
 {
-    return (int64_t)(fMs*0.001f*nTicksPerSecond);
+    return (int64_t)(fMs*0.001f*(float)nTicksPerSecond);
 }
 
 inline float MicroProfileTickToMsMultiplier(int64_t nTicksPerSecond)
 {
-    return 1000.f / nTicksPerSecond;
+    return 1000.f / (float)nTicksPerSecond;
 }
 
 inline uint16_t MicroProfileGetGroupIndex(MicroProfileToken t)

src/audio_core/audio_renderer.cpp

@@ -36,9 +36,9 @@ public:
     }
 
     void SetWaveIndex(std::size_t index);
-    std::vector<s16> DequeueSamples(std::size_t sample_count);
+    std::vector<s16> DequeueSamples(std::size_t sample_count, Memory::Memory& memory);
     void UpdateState();
-    void RefreshBuffer();
+    void RefreshBuffer(Memory::Memory& memory);
 
 private:
     bool is_in_use{};
@@ -66,17 +66,18 @@ public:
         return info;
     }
 
-    void UpdateState();
+    void UpdateState(Memory::Memory& memory);
 
 private:
     EffectOutStatus out_status{};
     EffectInStatus info{};
 };
-AudioRenderer::AudioRenderer(Core::Timing::CoreTiming& core_timing, AudioRendererParameter params,
-                             Kernel::SharedPtr<Kernel::WritableEvent> buffer_event,
+AudioRenderer::AudioRenderer(Core::Timing::CoreTiming& core_timing, Memory::Memory& memory_,
+                             AudioRendererParameter params,
+                             std::shared_ptr<Kernel::WritableEvent> buffer_event,
                              std::size_t instance_number)
     : worker_params{params}, buffer_event{buffer_event}, voices(params.voice_count),
-      effects(params.effect_count) {
+      effects(params.effect_count), memory{memory_} {
 
     audio_out = std::make_unique<AudioCore::AudioOut>();
     stream = audio_out->OpenStream(core_timing, STREAM_SAMPLE_RATE, STREAM_NUM_CHANNELS,
@@ -162,7 +163,7 @@ std::vector<u8> AudioRenderer::UpdateAudioRenderer(const std::vector<u8>& input_
     }
 
     for (auto& effect : effects) {
-        effect.UpdateState();
+        effect.UpdateState(memory);
     }
 
     // Release previous buffers and queue next ones for playback
@@ -206,13 +207,14 @@ void AudioRenderer::VoiceState::SetWaveIndex(std::size_t index) {
     is_refresh_pending = true;
 }
 
-std::vector<s16> AudioRenderer::VoiceState::DequeueSamples(std::size_t sample_count) {
+std::vector<s16> AudioRenderer::VoiceState::DequeueSamples(std::size_t sample_count,
+                                                           Memory::Memory& memory) {
     if (!IsPlaying()) {
         return {};
     }
 
     if (is_refresh_pending) {
-        RefreshBuffer();
+        RefreshBuffer(memory);
     }
 
     const std::size_t max_size{samples.size() - offset};
@@ -256,10 +258,11 @@ void AudioRenderer::VoiceState::UpdateState() {
     is_in_use = info.is_in_use;
 }
 
-void AudioRenderer::VoiceState::RefreshBuffer() {
-    std::vector<s16> new_samples(info.wave_buffer[wave_index].buffer_sz / sizeof(s16));
-    Memory::ReadBlock(info.wave_buffer[wave_index].buffer_addr, new_samples.data(),
-                      info.wave_buffer[wave_index].buffer_sz);
+void AudioRenderer::VoiceState::RefreshBuffer(Memory::Memory& memory) {
+    const auto wave_buffer_address = info.wave_buffer[wave_index].buffer_addr;
+    const auto wave_buffer_size = info.wave_buffer[wave_index].buffer_sz;
+    std::vector<s16> new_samples(wave_buffer_size / sizeof(s16));
+    memory.ReadBlock(wave_buffer_address, new_samples.data(), wave_buffer_size);
 
     switch (static_cast<Codec::PcmFormat>(info.sample_format)) {
     case Codec::PcmFormat::Int16: {
@@ -269,7 +272,7 @@ void AudioRenderer::VoiceState::RefreshBuffer() {
     case Codec::PcmFormat::Adpcm: {
         // Decode ADPCM to PCM16
         Codec::ADPCM_Coeff coeffs;
-        Memory::ReadBlock(info.additional_params_addr, coeffs.data(), sizeof(Codec::ADPCM_Coeff));
+        memory.ReadBlock(info.additional_params_addr, coeffs.data(), sizeof(Codec::ADPCM_Coeff));
         new_samples = Codec::DecodeADPCM(reinterpret_cast<u8*>(new_samples.data()),
                                          new_samples.size() * sizeof(s16), coeffs, adpcm_state);
         break;
@@ -307,18 +310,18 @@ void AudioRenderer::VoiceState::RefreshBuffer() {
     is_refresh_pending = false;
 }
 
-void AudioRenderer::EffectState::UpdateState() {
+void AudioRenderer::EffectState::UpdateState(Memory::Memory& memory) {
     if (info.is_new) {
         out_status.state = EffectStatus::New;
     } else {
         if (info.type == Effect::Aux) {
-            ASSERT_MSG(Memory::Read32(info.aux_info.return_buffer_info) == 0,
+            ASSERT_MSG(memory.Read32(info.aux_info.return_buffer_info) == 0,
                        "Aux buffers tried to update");
-            ASSERT_MSG(Memory::Read32(info.aux_info.send_buffer_info) == 0,
+            ASSERT_MSG(memory.Read32(info.aux_info.send_buffer_info) == 0,
                        "Aux buffers tried to update");
-            ASSERT_MSG(Memory::Read32(info.aux_info.return_buffer_base) == 0,
+            ASSERT_MSG(memory.Read32(info.aux_info.return_buffer_base) == 0,
                        "Aux buffers tried to update");
-            ASSERT_MSG(Memory::Read32(info.aux_info.send_buffer_base) == 0,
+            ASSERT_MSG(memory.Read32(info.aux_info.send_buffer_base) == 0,
                        "Aux buffers tried to update");
         }
     }
@@ -340,7 +343,7 @@ void AudioRenderer::QueueMixedBuffer(Buffer::Tag tag) {
         std::size_t offset{};
         s64 samples_remaining{BUFFER_SIZE};
         while (samples_remaining > 0) {
-            const std::vector<s16> samples{voice.DequeueSamples(samples_remaining)};
+            const std::vector<s16> samples{voice.DequeueSamples(samples_remaining, memory)};
 
             if (samples.empty()) {
                 break;

src/audio_core/audio_renderer.h

@@ -22,6 +22,10 @@ namespace Kernel {
 class WritableEvent;
 }
 
+namespace Memory {
+class Memory;
+}
+
 namespace AudioCore {
 
 class AudioOut;
@@ -217,9 +221,9 @@ static_assert(sizeof(UpdateDataHeader) == 0x40, "UpdateDataHeader has wrong size
 
 class AudioRenderer {
 public:
-    AudioRenderer(Core::Timing::CoreTiming& core_timing, AudioRendererParameter params,
-                  Kernel::SharedPtr<Kernel::WritableEvent> buffer_event,
-                  std::size_t instance_number);
+    AudioRenderer(Core::Timing::CoreTiming& core_timing, Memory::Memory& memory_,
+                  AudioRendererParameter params,
+                  std::shared_ptr<Kernel::WritableEvent> buffer_event, std::size_t instance_number);
     ~AudioRenderer();
 
     std::vector<u8> UpdateAudioRenderer(const std::vector<u8>& input_params);
@@ -235,11 +239,12 @@ private:
     class VoiceState;
 
     AudioRendererParameter worker_params;
-    Kernel::SharedPtr<Kernel::WritableEvent> buffer_event;
+    std::shared_ptr<Kernel::WritableEvent> buffer_event;
     std::vector<VoiceState> voices;
     std::vector<EffectState> effects;
     std::unique_ptr<AudioOut> audio_out;
-    AudioCore::StreamPtr stream;
+    StreamPtr stream;
+    Memory::Memory& memory;
 };
 
 } // namespace AudioCore

src/audio_core/stream.cpp

@@ -37,7 +37,7 @@ Stream::Stream(Core::Timing::CoreTiming& core_timing, u32 sample_rate, Format fo
     : sample_rate{sample_rate}, format{format}, release_callback{std::move(release_callback)},
       sink_stream{sink_stream}, core_timing{core_timing}, name{std::move(name_)} {
 
-    release_event = core_timing.RegisterEvent(
+    release_event = Core::Timing::CreateEvent(
         name, [this](u64 userdata, s64 cycles_late) { ReleaseActiveBuffer(); });
 }
 

src/audio_core/stream.h

@@ -98,18 +98,19 @@ private:
     /// Gets the number of core cycles when the specified buffer will be released
     s64 GetBufferReleaseCycles(const Buffer& buffer) const;
 
-    u32 sample_rate;                          ///< Sample rate of the stream
-    Format format;                            ///< Format of the stream
-    float game_volume = 1.0f;                 ///< The volume the game currently has set
-    ReleaseCallback release_callback;         ///< Buffer release callback for the stream
-    State state{State::Stopped};              ///< Playback state of the stream
-    Core::Timing::EventType* release_event{}; ///< Core timing release event for the stream
-    BufferPtr active_buffer;                  ///< Actively playing buffer in the stream
-    std::queue<BufferPtr> queued_buffers;     ///< Buffers queued to be played in the stream
-    std::queue<BufferPtr> released_buffers;   ///< Buffers recently released from the stream
-    SinkStream& sink_stream;                  ///< Output sink for the stream
-    Core::Timing::CoreTiming& core_timing;    ///< Core timing instance.
-    std::string name;                         ///< Name of the stream, must be unique
+    u32 sample_rate;                  ///< Sample rate of the stream
+    Format format;                    ///< Format of the stream
+    float game_volume = 1.0f;         ///< The volume the game currently has set
+    ReleaseCallback release_callback; ///< Buffer release callback for the stream
+    State state{State::Stopped};      ///< Playback state of the stream
+    std::shared_ptr<Core::Timing::EventType>
+        release_event;                      ///< Core timing release event for the stream
+    BufferPtr active_buffer;                ///< Actively playing buffer in the stream
+    std::queue<BufferPtr> queued_buffers;   ///< Buffers queued to be played in the stream
+    std::queue<BufferPtr> released_buffers; ///< Buffers recently released from the stream
+    SinkStream& sink_stream;                ///< Output sink for the stream
+    Core::Timing::CoreTiming& core_timing;  ///< Core timing instance.
+    std::string name;                       ///< Name of the stream, must be unique
 };
 
 using StreamPtr = std::shared_ptr<Stream>;

src/common/assert.h

@@ -28,21 +28,19 @@ __declspec(noinline, noreturn)
 }
 
 #define ASSERT(_a_)                                                                                \
-    do                                                                                             \
-        if (!(_a_)) {                                                                              \
-            assert_noinline_call([] { LOG_CRITICAL(Debug, "Assertion Failed!"); });                \
-        }                                                                                          \
-    while (0)
+    if (!(_a_)) {                                                                                  \
+        LOG_CRITICAL(Debug, "Assertion Failed!");                                                  \
+    }
 
 #define ASSERT_MSG(_a_, ...)                                                                       \
-    do                                                                                             \
-        if (!(_a_)) {                                                                              \
-            assert_noinline_call([&] { LOG_CRITICAL(Debug, "Assertion Failed!\n" __VA_ARGS__); }); \
-        }                                                                                          \
-    while (0)
+    if (!(_a_)) {                                                                                  \
+        LOG_CRITICAL(Debug, "Assertion Failed! " __VA_ARGS__);                                     \
+    }
 
-#define UNREACHABLE() ASSERT_MSG(false, "Unreachable code!")
-#define UNREACHABLE_MSG(...) ASSERT_MSG(false, __VA_ARGS__)
+#define UNREACHABLE()                                                                              \
+    { LOG_CRITICAL(Debug, "Unreachable code!"); }
+#define UNREACHABLE_MSG(...)                                                                       \
+    { LOG_CRITICAL(Debug, "Unreachable code!\n" __VA_ARGS__); }
 
 #ifdef _DEBUG
 #define DEBUG_ASSERT(_a_) ASSERT(_a_)

src/common/common_funcs.h

@@ -19,13 +19,15 @@
 
 /// Helper macros to insert unused bytes or words to properly align structs. These values will be
 /// zero-initialized.
-#define INSERT_PADDING_BYTES(num_bytes) std::array<u8, num_bytes> CONCAT2(pad, __LINE__){};
-#define INSERT_PADDING_WORDS(num_words) std::array<u32, num_words> CONCAT2(pad, __LINE__){};
+#define INSERT_PADDING_BYTES(num_bytes)                                                            \
+    std::array<u8, num_bytes> CONCAT2(pad, __LINE__) {}
+#define INSERT_PADDING_WORDS(num_words)                                                            \
+    std::array<u32, num_words> CONCAT2(pad, __LINE__) {}
 
 /// These are similar to the INSERT_PADDING_* macros, but are needed for padding unions. This is
 /// because unions can only be initialized by one member.
-#define INSERT_UNION_PADDING_BYTES(num_bytes) std::array<u8, num_bytes> CONCAT2(pad, __LINE__);
-#define INSERT_UNION_PADDING_WORDS(num_words) std::array<u32, num_words> CONCAT2(pad, __LINE__);
+#define INSERT_UNION_PADDING_BYTES(num_bytes) std::array<u8, num_bytes> CONCAT2(pad, __LINE__)
+#define INSERT_UNION_PADDING_WORDS(num_words) std::array<u32, num_words> CONCAT2(pad, __LINE__)
 
 #ifndef _MSC_VER
 
@@ -56,7 +58,7 @@ std::string GetLastErrorMsg();
 namespace Common {
 
 constexpr u32 MakeMagic(char a, char b, char c, char d) {
-    return a | b << 8 | c << 16 | d << 24;
+    return u32(a) | u32(b) << 8 | u32(c) << 16 | u32(d) << 24;
 }
 
 } // namespace Common

src/common/hash.h

@@ -35,41 +35,6 @@ static inline u64 ComputeStructHash64(const T& data) {
     return ComputeHash64(&data, sizeof(data));
 }
 
-/// A helper template that ensures the padding in a struct is initialized by memsetting to 0.
-template <typename T>
-struct HashableStruct {
-    // In addition to being trivially copyable, T must also have a trivial default constructor,
-    // because any member initialization would be overridden by memset
-    static_assert(std::is_trivial_v<T>, "Type passed to HashableStruct must be trivial");
-    /*
-     * We use a union because "implicitly-defined copy/move constructor for a union X copies the
-     * object representation of X." and "implicitly-defined copy assignment operator for a union X
-     * copies the object representation (3.9) of X." = Bytewise copy instead of memberwise copy.
-     * This is important because the padding bytes are included in the hash and comparison between
-     * objects.
-     */
-    union {
-        T state;
-    };
-
-    HashableStruct() {
-        // Memset structure to zero padding bits, so that they will be deterministic when hashing
-        std::memset(&state, 0, sizeof(T));
-    }
-
-    bool operator==(const HashableStruct<T>& o) const {
-        return std::memcmp(&state, &o.state, sizeof(T)) == 0;
-    };
-
-    bool operator!=(const HashableStruct<T>& o) const {
-        return !(*this == o);
-    };
-
-    std::size_t Hash() const {
-        return Common::ComputeStructHash64(state);
-    }
-};
-
 struct PairHash {
     template <class T1, class T2>
     std::size_t operator()(const std::pair<T1, T2>& pair) const noexcept {

src/common/logging/backend.cpp

@@ -272,8 +272,10 @@ const char* GetLogClassName(Class log_class) {
 #undef CLS
 #undef SUB
     case Class::Count:
-        UNREACHABLE();
+        break;
     }
+    UNREACHABLE();
+    return "Invalid";
 }
 
 const char* GetLevelName(Level log_level) {
@@ -288,9 +290,11 @@ const char* GetLevelName(Level log_level) {
         LVL(Error);
         LVL(Critical);
     case Level::Count:
-        UNREACHABLE();
+        break;
     }
 #undef LVL
+    UNREACHABLE();
+    return "Invalid";
 }
 
 void SetGlobalFilter(const Filter& filter) {

src/common/threadsafe_queue.h

@@ -46,9 +46,16 @@ public:
         ElementPtr* new_ptr = new ElementPtr();
         write_ptr->next.store(new_ptr, std::memory_order_release);
         write_ptr = new_ptr;
-        cv.notify_one();
 
-        ++size;
+        const size_t previous_size{size++};
+
+        // Acquire the mutex and then immediately release it as a fence.
+        // TODO(bunnei): This can be replaced with C++20 waitable atomics when properly supported.
+        // See discussion on https://github.com/yuzu-emu/yuzu/pull/3173 for details.
+        if (previous_size == 0) {
+            std::lock_guard lock{cv_mutex};
+        }
+        cv.notify_one();
     }
 
     void Pop() {

src/core/CMakeLists.txt

@@ -170,6 +170,7 @@ add_library(core STATIC
     hle/kernel/server_port.h
     hle/kernel/server_session.cpp
     hle/kernel/server_session.h
+    hle/kernel/session.cpp
     hle/kernel/session.h
     hle/kernel/shared_memory.cpp
     hle/kernel/shared_memory.h
@@ -509,7 +510,6 @@ add_library(core STATIC
     memory/dmnt_cheat_vm.h
     memory.cpp
     memory.h
-    memory_setup.h
     perf_stats.cpp
     perf_stats.h
     reporter.cpp
@@ -522,6 +522,23 @@ add_library(core STATIC
     tools/freezer.h
 )
 
+if (MSVC)
+    target_compile_options(core PRIVATE
+        # 'expression' : signed/unsigned mismatch
+        /we4018
+        # 'argument' : conversion from 'type1' to 'type2', possible loss of data (floating-point)
+        /we4244
+        # 'conversion' : conversion from 'type1' to 'type2', signed/unsigned mismatch
+        /we4245
+        # 'operator': conversion from 'type1:field_bits' to 'type2:field_bits', possible loss of data
+        /we4254
+        # 'var' : conversion from 'size_t' to 'type', possible loss of data
+        /we4267
+        # 'context' : truncation from 'type1' to 'type2'
+        /we4305
+    )
+endif()
+
 create_target_directory_groups(core)
 
 target_link_libraries(core PUBLIC common PRIVATE audio_core video_core)

src/core/arm/arm_interface.cpp

@@ -13,7 +13,6 @@
 #include "core/memory.h"
 
 namespace Core {
-
 namespace {
 
 constexpr u64 ELF_DYNAMIC_TAG_NULL = 0;
@@ -61,15 +60,15 @@ static_assert(sizeof(ELFSymbol) == 0x18, "ELFSymbol has incorrect size.");
 
 using Symbols = std::vector<std::pair<ELFSymbol, std::string>>;
 
-Symbols GetSymbols(VAddr text_offset) {
-    const auto mod_offset = text_offset + Memory::Read32(text_offset + 4);
+Symbols GetSymbols(VAddr text_offset, Memory::Memory& memory) {
+    const auto mod_offset = text_offset + memory.Read32(text_offset + 4);
 
     if (mod_offset < text_offset || (mod_offset & 0b11) != 0 ||
-        Memory::Read32(mod_offset) != Common::MakeMagic('M', 'O', 'D', '0')) {
+        memory.Read32(mod_offset) != Common::MakeMagic('M', 'O', 'D', '0')) {
         return {};
     }
 
-    const auto dynamic_offset = Memory::Read32(mod_offset + 0x4) + mod_offset;
+    const auto dynamic_offset = memory.Read32(mod_offset + 0x4) + mod_offset;
 
     VAddr string_table_offset{};
     VAddr symbol_table_offset{};
@@ -77,8 +76,8 @@ Symbols GetSymbols(VAddr text_offset) {
 
     VAddr dynamic_index = dynamic_offset;
     while (true) {
-        const auto tag = Memory::Read64(dynamic_index);
-        const auto value = Memory::Read64(dynamic_index + 0x8);
+        const u64 tag = memory.Read64(dynamic_index);
+        const u64 value = memory.Read64(dynamic_index + 0x8);
         dynamic_index += 0x10;
 
         if (tag == ELF_DYNAMIC_TAG_NULL) {
@@ -106,11 +105,11 @@ Symbols GetSymbols(VAddr text_offset) {
     VAddr symbol_index = symbol_table_address;
     while (symbol_index < string_table_address) {
         ELFSymbol symbol{};
-        Memory::ReadBlock(symbol_index, &symbol, sizeof(ELFSymbol));
+        memory.ReadBlock(symbol_index, &symbol, sizeof(ELFSymbol));
 
         VAddr string_offset = string_table_address + symbol.name_index;
         std::string name;
-        for (u8 c = Memory::Read8(string_offset); c != 0; c = Memory::Read8(++string_offset)) {
+        for (u8 c = memory.Read8(string_offset); c != 0; c = memory.Read8(++string_offset)) {
             name += static_cast<char>(c);
         }
 
@@ -142,28 +141,28 @@ constexpr u64 SEGMENT_BASE = 0x7100000000ull;
 
 std::vector<ARM_Interface::BacktraceEntry> ARM_Interface::GetBacktrace() const {
     std::vector<BacktraceEntry> out;
+    auto& memory = system.Memory();
 
     auto fp = GetReg(29);
     auto lr = GetReg(30);
-
     while (true) {
         out.push_back({"", 0, lr, 0});
         if (!fp) {
             break;
         }
-        lr = Memory::Read64(fp + 8) - 4;
-        fp = Memory::Read64(fp);
+        lr = memory.Read64(fp + 8) - 4;
+        fp = memory.Read64(fp);
     }
 
     std::map<VAddr, std::string> modules;
-    auto& loader{System::GetInstance().GetAppLoader()};
+    auto& loader{system.GetAppLoader()};
     if (loader.ReadNSOModules(modules) != Loader::ResultStatus::Success) {
         return {};
     }
 
     std::map<std::string, Symbols> symbols;
     for (const auto& module : modules) {
-        symbols.insert_or_assign(module.second, GetSymbols(module.first));
+        symbols.insert_or_assign(module.second, GetSymbols(module.first, memory));
     }
 
     for (auto& entry : out) {

src/core/arm/arm_interface.h

@@ -17,11 +17,13 @@ enum class VMAPermission : u8;
 }
 
 namespace Core {
+class System;
 
 /// Generic ARMv8 CPU interface
 class ARM_Interface : NonCopyable {
 public:
-    virtual ~ARM_Interface() {}
+    explicit ARM_Interface(System& system_) : system{system_} {}
+    virtual ~ARM_Interface() = default;
 
     struct ThreadContext {
         std::array<u64, 31> cpu_registers;
@@ -163,6 +165,10 @@ public:
     /// fp+0 : pointer to previous frame record
     /// fp+8 : value of lr for frame
     void LogBacktrace() const;
+
+protected:
+    /// System context that this ARM interface is running under.
+    System& system;
 };
 
 } // namespace Core

src/core/arm/dynarmic/arm_dynarmic.cpp

@@ -28,36 +28,38 @@ public:
     explicit ARM_Dynarmic_Callbacks(ARM_Dynarmic& parent) : parent(parent) {}
 
     u8 MemoryRead8(u64 vaddr) override {
-        return Memory::Read8(vaddr);
+        return parent.system.Memory().Read8(vaddr);
     }
     u16 MemoryRead16(u64 vaddr) override {
-        return Memory::Read16(vaddr);
+        return parent.system.Memory().Read16(vaddr);
     }
     u32 MemoryRead32(u64 vaddr) override {
-        return Memory::Read32(vaddr);
+        return parent.system.Memory().Read32(vaddr);
     }
     u64 MemoryRead64(u64 vaddr) override {
-        return Memory::Read64(vaddr);
+        return parent.system.Memory().Read64(vaddr);
     }
     Vector MemoryRead128(u64 vaddr) override {
-        return {Memory::Read64(vaddr), Memory::Read64(vaddr + 8)};
+        auto& memory = parent.system.Memory();
+        return {memory.Read64(vaddr), memory.Read64(vaddr + 8)};
     }
 
     void MemoryWrite8(u64 vaddr, u8 value) override {
-        Memory::Write8(vaddr, value);
+        parent.system.Memory().Write8(vaddr, value);
     }
     void MemoryWrite16(u64 vaddr, u16 value) override {
-        Memory::Write16(vaddr, value);
+        parent.system.Memory().Write16(vaddr, value);
     }
     void MemoryWrite32(u64 vaddr, u32 value) override {
-        Memory::Write32(vaddr, value);
+        parent.system.Memory().Write32(vaddr, value);
     }
     void MemoryWrite64(u64 vaddr, u64 value) override {
-        Memory::Write64(vaddr, value);
+        parent.system.Memory().Write64(vaddr, value);
     }
     void MemoryWrite128(u64 vaddr, Vector value) override {
-        Memory::Write64(vaddr, value[0]);
-        Memory::Write64(vaddr + 8, value[1]);
+        auto& memory = parent.system.Memory();
+        memory.Write64(vaddr, value[0]);
+        memory.Write64(vaddr + 8, value[1]);
     }
 
     void InterpreterFallback(u64 pc, std::size_t num_instructions) override {
@@ -67,7 +69,7 @@ public:
         ARM_Interface::ThreadContext ctx;
         parent.SaveContext(ctx);
         parent.inner_unicorn.LoadContext(ctx);
-        parent.inner_unicorn.ExecuteInstructions(static_cast<int>(num_instructions));
+        parent.inner_unicorn.ExecuteInstructions(num_instructions);
         parent.inner_unicorn.SaveContext(ctx);
         parent.LoadContext(ctx);
         num_interpreted_instructions += num_instructions;
@@ -139,6 +141,7 @@ std::unique_ptr<Dynarmic::A64::Jit> ARM_Dynarmic::MakeJit(Common::PageTable& pag
     config.page_table = reinterpret_cast<void**>(page_table.pointers.data());
     config.page_table_address_space_bits = address_space_bits;
     config.silently_mirror_page_table = false;
+    config.absolute_offset_page_table = true;
 
     // Multi-process state
     config.processor_id = core_index;
@@ -171,9 +174,10 @@ void ARM_Dynarmic::Step() {
 
 ARM_Dynarmic::ARM_Dynarmic(System& system, ExclusiveMonitor& exclusive_monitor,
                            std::size_t core_index)
-    : cb(std::make_unique<ARM_Dynarmic_Callbacks>(*this)), inner_unicorn{system},
-      core_index{core_index}, system{system},
-      exclusive_monitor{dynamic_cast<DynarmicExclusiveMonitor&>(exclusive_monitor)} {}
+    : ARM_Interface{system},
+      cb(std::make_unique<ARM_Dynarmic_Callbacks>(*this)), inner_unicorn{system},
+      core_index{core_index}, exclusive_monitor{
+                                  dynamic_cast<DynarmicExclusiveMonitor&>(exclusive_monitor)} {}
 
 ARM_Dynarmic::~ARM_Dynarmic() = default;
 
@@ -264,7 +268,9 @@ void ARM_Dynarmic::PageTableChanged(Common::PageTable& page_table,
     jit = MakeJit(page_table, new_address_space_size_in_bits);
 }
 
-DynarmicExclusiveMonitor::DynarmicExclusiveMonitor(std::size_t core_count) : monitor(core_count) {}
+DynarmicExclusiveMonitor::DynarmicExclusiveMonitor(Memory::Memory& memory_, std::size_t core_count)
+    : monitor(core_count), memory{memory_} {}
+
 DynarmicExclusiveMonitor::~DynarmicExclusiveMonitor() = default;
 
 void DynarmicExclusiveMonitor::SetExclusive(std::size_t core_index, VAddr addr) {
@@ -277,29 +283,28 @@ void DynarmicExclusiveMonitor::ClearExclusive() {
 }
 
 bool DynarmicExclusiveMonitor::ExclusiveWrite8(std::size_t core_index, VAddr vaddr, u8 value) {
-    return monitor.DoExclusiveOperation(core_index, vaddr, 1,
-                                        [&] { Memory::Write8(vaddr, value); });
+    return monitor.DoExclusiveOperation(core_index, vaddr, 1, [&] { memory.Write8(vaddr, value); });
 }
 
 bool DynarmicExclusiveMonitor::ExclusiveWrite16(std::size_t core_index, VAddr vaddr, u16 value) {
     return monitor.DoExclusiveOperation(core_index, vaddr, 2,
-                                        [&] { Memory::Write16(vaddr, value); });
+                                        [&] { memory.Write16(vaddr, value); });
 }
 
 bool DynarmicExclusiveMonitor::ExclusiveWrite32(std::size_t core_index, VAddr vaddr, u32 value) {
     return monitor.DoExclusiveOperation(core_index, vaddr, 4,
-                                        [&] { Memory::Write32(vaddr, value); });
+                                        [&] { memory.Write32(vaddr, value); });
 }
 
 bool DynarmicExclusiveMonitor::ExclusiveWrite64(std::size_t core_index, VAddr vaddr, u64 value) {
     return monitor.DoExclusiveOperation(core_index, vaddr, 8,
-                                        [&] { Memory::Write64(vaddr, value); });
+                                        [&] { memory.Write64(vaddr, value); });
 }
 
 bool DynarmicExclusiveMonitor::ExclusiveWrite128(std::size_t core_index, VAddr vaddr, u128 value) {
     return monitor.DoExclusiveOperation(core_index, vaddr, 16, [&] {
-        Memory::Write64(vaddr + 0, value[0]);
-        Memory::Write64(vaddr + 8, value[1]);
+        memory.Write64(vaddr + 0, value[0]);
+        memory.Write64(vaddr + 8, value[1]);
     });
 }
 

src/core/arm/dynarmic/arm_dynarmic.h

@@ -12,6 +12,10 @@
 #include "core/arm/exclusive_monitor.h"
 #include "core/arm/unicorn/arm_unicorn.h"
 
+namespace Memory {
+class Memory;
+}
+
 namespace Core {
 
 class ARM_Dynarmic_Callbacks;
@@ -58,13 +62,12 @@ private:
     ARM_Unicorn inner_unicorn;
 
     std::size_t core_index;
-    System& system;
     DynarmicExclusiveMonitor& exclusive_monitor;
 };
 
 class DynarmicExclusiveMonitor final : public ExclusiveMonitor {
 public:
-    explicit DynarmicExclusiveMonitor(std::size_t core_count);
+    explicit DynarmicExclusiveMonitor(Memory::Memory& memory_, std::size_t core_count);
     ~DynarmicExclusiveMonitor() override;
 
     void SetExclusive(std::size_t core_index, VAddr addr) override;
@@ -79,6 +82,7 @@ public:
 private:
     friend class ARM_Dynarmic;
     Dynarmic::A64::ExclusiveMonitor monitor;
+    Memory::Memory& memory;
 };
 
 } // namespace Core

src/core/arm/unicorn/arm_unicorn.cpp

@@ -60,17 +60,18 @@ static bool UnmappedMemoryHook(uc_engine* uc, uc_mem_type type, u64 addr, int si
     return false;
 }
 
-ARM_Unicorn::ARM_Unicorn(System& system) : system{system} {
+ARM_Unicorn::ARM_Unicorn(System& system) : ARM_Interface{system} {
     CHECKED(uc_open(UC_ARCH_ARM64, UC_MODE_ARM, &uc));
 
     auto fpv = 3 << 20;
     CHECKED(uc_reg_write(uc, UC_ARM64_REG_CPACR_EL1, &fpv));
 
     uc_hook hook{};
-    CHECKED(uc_hook_add(uc, &hook, UC_HOOK_INTR, (void*)InterruptHook, this, 0, -1));
-    CHECKED(uc_hook_add(uc, &hook, UC_HOOK_MEM_INVALID, (void*)UnmappedMemoryHook, &system, 0, -1));
+    CHECKED(uc_hook_add(uc, &hook, UC_HOOK_INTR, (void*)InterruptHook, this, 0, UINT64_MAX));
+    CHECKED(uc_hook_add(uc, &hook, UC_HOOK_MEM_INVALID, (void*)UnmappedMemoryHook, &system, 0,
+                        UINT64_MAX));
     if (GDBStub::IsServerEnabled()) {
-        CHECKED(uc_hook_add(uc, &hook, UC_HOOK_CODE, (void*)CodeHook, this, 0, -1));
+        CHECKED(uc_hook_add(uc, &hook, UC_HOOK_CODE, (void*)CodeHook, this, 0, UINT64_MAX));
         last_bkpt_hit = false;
     }
 }
@@ -154,9 +155,10 @@ void ARM_Unicorn::SetTPIDR_EL0(u64 value) {
 
 void ARM_Unicorn::Run() {
     if (GDBStub::IsServerEnabled()) {
-        ExecuteInstructions(std::max(4000000, 0));
+        ExecuteInstructions(std::max(4000000U, 0U));
     } else {
-        ExecuteInstructions(std::max(system.CoreTiming().GetDowncount(), s64{0}));
+        ExecuteInstructions(
+            std::max(std::size_t(system.CoreTiming().GetDowncount()), std::size_t{0}));
     }
 }
 
@@ -166,7 +168,7 @@ void ARM_Unicorn::Step() {
 
 MICROPROFILE_DEFINE(ARM_Jit_Unicorn, "ARM JIT", "Unicorn", MP_RGB(255, 64, 64));
 
-void ARM_Unicorn::ExecuteInstructions(int num_instructions) {
+void ARM_Unicorn::ExecuteInstructions(std::size_t num_instructions) {
     MICROPROFILE_SCOPE(ARM_Jit_Unicorn);
     CHECKED(uc_emu_start(uc, GetPC(), 1ULL << 63, 0, num_instructions));
     system.CoreTiming().AddTicks(num_instructions);

src/core/arm/unicorn/arm_unicorn.h

@@ -34,7 +34,7 @@ public:
     void LoadContext(const ThreadContext& ctx) override;
     void PrepareReschedule() override;
     void ClearExclusiveState() override;
-    void ExecuteInstructions(int num_instructions);
+    void ExecuteInstructions(std::size_t num_instructions);
     void Run() override;
     void Step() override;
     void ClearInstructionCache() override;
@@ -45,7 +45,6 @@ private:
     static void InterruptHook(uc_engine* uc, u32 int_no, void* user_data);
 
     uc_engine* uc{};
-    System& system;
     GDBStub::BreakpointAddress last_bkpt{};
     bool last_bkpt_hit = false;
 };

src/core/core.cpp

@@ -39,13 +39,13 @@
 #include "core/hle/service/service.h"
 #include "core/hle/service/sm/sm.h"
 #include "core/loader/loader.h"
+#include "core/memory.h"
 #include "core/memory/cheat_engine.h"
 #include "core/perf_stats.h"
 #include "core/reporter.h"
 #include "core/settings.h"
 #include "core/telemetry_session.h"
 #include "core/tools/freezer.h"
-#include "video_core/debug_utils/debug_utils.h"
 #include "video_core/renderer_base.h"
 #include "video_core/video_core.h"
 
@@ -112,8 +112,8 @@ FileSys::VirtualFile GetGameFileFromPath(const FileSys::VirtualFilesystem& vfs,
 }
 struct System::Impl {
     explicit Impl(System& system)
-        : kernel{system}, fs_controller{system}, cpu_core_manager{system}, reporter{system},
-          applet_manager{system} {}
+        : kernel{system}, fs_controller{system}, memory{system},
+          cpu_core_manager{system}, reporter{system}, applet_manager{system} {}
 
     Cpu& CurrentCpuCore() {
         return cpu_core_manager.GetCurrentCore();
@@ -340,8 +340,8 @@ struct System::Impl {
     std::unique_ptr<Loader::AppLoader> app_loader;
     std::unique_ptr<VideoCore::RendererBase> renderer;
     std::unique_ptr<Tegra::GPU> gpu_core;
-    std::shared_ptr<Tegra::DebugContext> debug_context;
-    std::unique_ptr<Core::Hardware::InterruptManager> interrupt_manager;
+    std::unique_ptr<Hardware::InterruptManager> interrupt_manager;
+    Memory::Memory memory;
     CpuCoreManager cpu_core_manager;
     bool is_powered_on = false;
     bool exit_lock = false;
@@ -498,6 +498,14 @@ const ExclusiveMonitor& System::Monitor() const {
     return impl->cpu_core_manager.GetExclusiveMonitor();
 }
 
+Memory::Memory& System::Memory() {
+    return impl->memory;
+}
+
+const Memory::Memory& System::Memory() const {
+    return impl->memory;
+}
+
 Tegra::GPU& System::GPU() {
     return *impl->gpu_core;
 }
@@ -570,14 +578,6 @@ Loader::AppLoader& System::GetAppLoader() const {
     return *impl->app_loader;
 }
 
-void System::SetGPUDebugContext(std::shared_ptr<Tegra::DebugContext> context) {
-    impl->debug_context = std::move(context);
-}
-
-Tegra::DebugContext* System::GetGPUDebugContext() const {
-    return impl->debug_context.get();
-}
-
 void System::SetFilesystem(std::shared_ptr<FileSys::VfsFilesystem> vfs) {
     impl->virtual_filesystem = std::move(vfs);
 }

src/core/core.h

@@ -7,6 +7,7 @@
 #include <cstddef>
 #include <memory>
 #include <string>
+#include <vector>
 
 #include "common/common_types.h"
 #include "core/file_sys/vfs_types.h"
@@ -85,6 +86,10 @@ namespace Core::Hardware {
 class InterruptManager;
 }
 
+namespace Memory {
+class Memory;
+}
+
 namespace Core {
 
 class ARM_Interface;
@@ -224,6 +229,12 @@ public:
     /// Gets a constant reference to the exclusive monitor
     const ExclusiveMonitor& Monitor() const;
 
+    /// Gets a mutable reference to the system memory instance.
+    Memory::Memory& Memory();
+
+    /// Gets a constant reference to the system memory instance.
+    const Memory::Memory& Memory() const;
+
     /// Gets a mutable reference to the GPU interface
     Tegra::GPU& GPU();
 
@@ -296,10 +307,6 @@ public:
     Service::SM::ServiceManager& ServiceManager();
     const Service::SM::ServiceManager& ServiceManager() const;
 
-    void SetGPUDebugContext(std::shared_ptr<Tegra::DebugContext> context);
-
-    Tegra::DebugContext* GetGPUDebugContext() const;
-
     void SetFilesystem(std::shared_ptr<FileSys::VfsFilesystem> vfs);
 
     std::shared_ptr<FileSys::VfsFilesystem> GetFilesystem() const;

src/core/core_cpu.cpp

@@ -66,9 +66,10 @@ Cpu::Cpu(System& system, ExclusiveMonitor& exclusive_monitor, CpuBarrier& cpu_ba
 
 Cpu::~Cpu() = default;
 
-std::unique_ptr<ExclusiveMonitor> Cpu::MakeExclusiveMonitor(std::size_t num_cores) {
+std::unique_ptr<ExclusiveMonitor> Cpu::MakeExclusiveMonitor(
+    [[maybe_unused]] Memory::Memory& memory, [[maybe_unused]] std::size_t num_cores) {
 #ifdef ARCHITECTURE_x86_64
-    return std::make_unique<DynarmicExclusiveMonitor>(num_cores);
+    return std::make_unique<DynarmicExclusiveMonitor>(memory, num_cores);
 #else
     // TODO(merry): Passthrough exclusive monitor
     return nullptr;
@@ -95,6 +96,8 @@ void Cpu::RunLoop(bool tight_loop) {
         } else {
             arm_interface->Step();
         }
+        // We are stopping a run, exclusive state must be cleared
+        arm_interface->ClearExclusiveState();
     }
     core_timing.Advance();
 

src/core/core_cpu.h

@@ -24,6 +24,10 @@ namespace Core::Timing {
 class CoreTiming;
 }
 
+namespace Memory {
+class Memory;
+}
+
 namespace Core {
 
 class ARM_Interface;
@@ -86,7 +90,19 @@ public:
 
     void Shutdown();
 
-    static std::unique_ptr<ExclusiveMonitor> MakeExclusiveMonitor(std::size_t num_cores);
+    /**
+     * Creates an exclusive monitor to handle exclusive reads/writes.
+     *
+     * @param memory The current memory subsystem that the monitor may wish
+     *               to keep track of.
+     *
+     * @param num_cores The number of cores to assume about the CPU.
+     *
+     * @returns The constructed exclusive monitor instance, or nullptr if the current
+     *          CPU backend is unable to use an exclusive monitor.
+     */
+    static std::unique_ptr<ExclusiveMonitor> MakeExclusiveMonitor(Memory::Memory& memory,
+                                                                  std::size_t num_cores);
 
 private:
     void Reschedule();

src/core/core_timing.cpp

@@ -17,11 +17,15 @@ namespace Core::Timing {
 
 constexpr int MAX_SLICE_LENGTH = 10000;
 
+std::shared_ptr<EventType> CreateEvent(std::string name, TimedCallback&& callback) {
+    return std::make_shared<EventType>(std::move(callback), std::move(name));
+}
+
 struct CoreTiming::Event {
     s64 time;
     u64 fifo_order;
     u64 userdata;
-    const EventType* type;
+    std::weak_ptr<EventType> type;
 
     // Sort by time, unless the times are the same, in which case sort by
     // the order added to the queue
@@ -54,36 +58,15 @@ void CoreTiming::Initialize() {
     event_fifo_id = 0;
 
     const auto empty_timed_callback = [](u64, s64) {};
-    ev_lost = RegisterEvent("_lost_event", empty_timed_callback);
+    ev_lost = CreateEvent("_lost_event", empty_timed_callback);
 }
 
 void CoreTiming::Shutdown() {
     ClearPendingEvents();
-    UnregisterAllEvents();
 }
 
-EventType* CoreTiming::RegisterEvent(const std::string& name, TimedCallback callback) {
-    std::lock_guard guard{inner_mutex};
-    // check for existing type with same name.
-    // we want event type names to remain unique so that we can use them for serialization.
-    ASSERT_MSG(event_types.find(name) == event_types.end(),
-               "CoreTiming Event \"{}\" is already registered. Events should only be registered "
-               "during Init to avoid breaking save states.",
-               name.c_str());
-
-    auto info = event_types.emplace(name, EventType{callback, nullptr});
-    EventType* event_type = &info.first->second;
-    event_type->name = &info.first->first;
-    return event_type;
-}
-
-void CoreTiming::UnregisterAllEvents() {
-    ASSERT_MSG(event_queue.empty(), "Cannot unregister events with events pending");
-    event_types.clear();
-}
-
-void CoreTiming::ScheduleEvent(s64 cycles_into_future, const EventType* event_type, u64 userdata) {
-    ASSERT(event_type != nullptr);
+void CoreTiming::ScheduleEvent(s64 cycles_into_future, const std::shared_ptr<EventType>& event_type,
+                               u64 userdata) {
     std::lock_guard guard{inner_mutex};
     const s64 timeout = GetTicks() + cycles_into_future;
 
@@ -93,13 +76,15 @@ void CoreTiming::ScheduleEvent(s64 cycles_into_future, const EventType* event_ty
     }
 
     event_queue.emplace_back(Event{timeout, event_fifo_id++, userdata, event_type});
+
     std::push_heap(event_queue.begin(), event_queue.end(), std::greater<>());
 }
 
-void CoreTiming::UnscheduleEvent(const EventType* event_type, u64 userdata) {
+void CoreTiming::UnscheduleEvent(const std::shared_ptr<EventType>& event_type, u64 userdata) {
     std::lock_guard guard{inner_mutex};
+
     const auto itr = std::remove_if(event_queue.begin(), event_queue.end(), [&](const Event& e) {
-        return e.type == event_type && e.userdata == userdata;
+        return e.type.lock().get() == event_type.get() && e.userdata == userdata;
     });
 
     // Removing random items breaks the invariant so we have to re-establish it.
@@ -130,10 +115,12 @@ void CoreTiming::ClearPendingEvents() {
     event_queue.clear();
 }
 
-void CoreTiming::RemoveEvent(const EventType* event_type) {
+void CoreTiming::RemoveEvent(const std::shared_ptr<EventType>& event_type) {
     std::lock_guard guard{inner_mutex};
-    const auto itr = std::remove_if(event_queue.begin(), event_queue.end(),
-                                    [&](const Event& e) { return e.type == event_type; });
+
+    const auto itr = std::remove_if(event_queue.begin(), event_queue.end(), [&](const Event& e) {
+        return e.type.lock().get() == event_type.get();
+    });
 
     // Removing random items breaks the invariant so we have to re-establish it.
     if (itr != event_queue.end()) {
@@ -181,7 +168,11 @@ void CoreTiming::Advance() {
         std::pop_heap(event_queue.begin(), event_queue.end(), std::greater<>());
         event_queue.pop_back();
         inner_mutex.unlock();
-        evt.type->callback(evt.userdata, global_timer - evt.time);
+
+        if (auto event_type{evt.type.lock()}) {
+            event_type->callback(evt.userdata, global_timer - evt.time);
+        }
+
         inner_mutex.lock();
     }
 

src/core/core_timing.h

@@ -6,11 +6,12 @@
 
 #include <chrono>
 #include <functional>
+#include <memory>
 #include <mutex>
 #include <optional>
 #include <string>
-#include <unordered_map>
 #include <vector>
+
 #include "common/common_types.h"
 #include "common/threadsafe_queue.h"
 
@@ -21,10 +22,13 @@ using TimedCallback = std::function<void(u64 userdata, s64 cycles_late)>;
 
 /// Contains the characteristics of a particular event.
 struct EventType {
+    EventType(TimedCallback&& callback, std::string&& name)
+        : callback{std::move(callback)}, name{std::move(name)} {}
+
     /// The event's callback function.
     TimedCallback callback;
     /// A pointer to the name of the event.
-    const std::string* name;
+    const std::string name;
 };
 
 /**
@@ -57,31 +61,17 @@ public:
     /// Tears down all timing related functionality.
     void Shutdown();
 
-    /// Registers a core timing event with the given name and callback.
-    ///
-    /// @param name     The name of the core timing event to register.
-    /// @param callback The callback to execute for the event.
-    ///
-    /// @returns An EventType instance representing the registered event.
-    ///
-    /// @pre The name of the event being registered must be unique among all
-    ///      registered events.
-    ///
-    EventType* RegisterEvent(const std::string& name, TimedCallback callback);
-
-    /// Unregisters all registered events thus far. Note: not thread unsafe
-    void UnregisterAllEvents();
-
     /// After the first Advance, the slice lengths and the downcount will be reduced whenever an
     /// event is scheduled earlier than the current values.
     ///
     /// Scheduling from a callback will not update the downcount until the Advance() completes.
-    void ScheduleEvent(s64 cycles_into_future, const EventType* event_type, u64 userdata = 0);
+    void ScheduleEvent(s64 cycles_into_future, const std::shared_ptr<EventType>& event_type,
+                       u64 userdata = 0);
 
-    void UnscheduleEvent(const EventType* event_type, u64 userdata);
+    void UnscheduleEvent(const std::shared_ptr<EventType>& event_type, u64 userdata);
 
     /// We only permit one event of each type in the queue at a time.
-    void RemoveEvent(const EventType* event_type);
+    void RemoveEvent(const std::shared_ptr<EventType>& event_type);
 
     void ForceExceptionCheck(s64 cycles);
 
@@ -148,13 +138,18 @@ private:
     std::vector<Event> event_queue;
     u64 event_fifo_id = 0;
 
-    // Stores each element separately as a linked list node so pointers to elements
-    // remain stable regardless of rehashes/resizing.
-    std::unordered_map<std::string, EventType> event_types;
-
-    EventType* ev_lost = nullptr;
+    std::shared_ptr<EventType> ev_lost;
 
     std::mutex inner_mutex;
 };
 
+/// Creates a core timing event with the given name and callback.
+///
+/// @param name     The name of the core timing event to create.
+/// @param callback The callback to execute for the event.
+///
+/// @returns An EventType instance representing the created event.
+///
+std::shared_ptr<EventType> CreateEvent(std::string name, TimedCallback&& callback);
+
 } // namespace Core::Timing

src/core/cpu_core_manager.cpp

@@ -25,7 +25,7 @@ CpuCoreManager::~CpuCoreManager() = default;
 
 void CpuCoreManager::Initialize() {
     barrier = std::make_unique<CpuBarrier>();
-    exclusive_monitor = Cpu::MakeExclusiveMonitor(cores.size());
+    exclusive_monitor = Cpu::MakeExclusiveMonitor(system.Memory(), cores.size());
 
     for (std::size_t index = 0; index < cores.size(); ++index) {
         cores[index] = std::make_unique<Cpu>(system, *exclusive_monitor, *barrier, index);

src/core/crypto/key_manager.cpp

@@ -22,6 +22,7 @@
 #include "common/file_util.h"
 #include "common/hex_util.h"
 #include "common/logging/log.h"
+#include "common/string_util.h"
 #include "core/core.h"
 #include "core/crypto/aes_util.h"
 #include "core/crypto/key_manager.h"
@@ -378,8 +379,9 @@ std::vector<Ticket> GetTicketblob(const FileUtil::IOFile& ticket_save) {
 template <size_t size>
 static std::array<u8, size> operator^(const std::array<u8, size>& lhs,
                                       const std::array<u8, size>& rhs) {
-    std::array<u8, size> out{};
-    std::transform(lhs.begin(), lhs.end(), rhs.begin(), out.begin(), std::bit_xor<>());
+    std::array<u8, size> out;
+    std::transform(lhs.begin(), lhs.end(), rhs.begin(), out.begin(),
+                   [](u8 lhs, u8 rhs) { return u8(lhs ^ rhs); });
     return out;
 }
 
@@ -396,7 +398,7 @@ static std::array<u8, target_size> MGF1(const std::array<u8, in_size>& seed) {
     while (out.size() < target_size) {
         out.resize(out.size() + 0x20);
         seed_exp[in_size + 3] = static_cast<u8>(i);
-        mbedtls_sha256(seed_exp.data(), seed_exp.size(), out.data() + out.size() - 0x20, 0);
+        mbedtls_sha256_ret(seed_exp.data(), seed_exp.size(), out.data() + out.size() - 0x20, 0);
         ++i;
     }
 
@@ -538,7 +540,7 @@ void KeyManager::LoadFromFile(const std::string& filename, bool is_title_keys) {
             Key128 key = Common::HexStringToArray<16>(out[1]);
             s128_keys[{S128KeyType::Titlekey, rights_id[1], rights_id[0]}] = key;
         } else {
-            std::transform(out[0].begin(), out[0].end(), out[0].begin(), ::tolower);
+            out[0] = Common::ToLower(out[0]);
             if (s128_file_id.find(out[0]) != s128_file_id.end()) {
                 const auto index = s128_file_id.at(out[0]);
                 Key128 key = Common::HexStringToArray<16>(out[1]);
@@ -668,23 +670,27 @@ void KeyManager::WriteKeyToFile(KeyCategory category, std::string_view keyname,
                                 const std::array<u8, Size>& key) {
     const std::string yuzu_keys_dir = FileUtil::GetUserPath(FileUtil::UserPath::KeysDir);
     std::string filename = "title.keys_autogenerated";
-    if (category == KeyCategory::Standard)
+    if (category == KeyCategory::Standard) {
         filename = dev_mode ? "dev.keys_autogenerated" : "prod.keys_autogenerated";
-    else if (category == KeyCategory::Console)
+    } else if (category == KeyCategory::Console) {
         filename = "console.keys_autogenerated";
-    const auto add_info_text = !FileUtil::Exists(yuzu_keys_dir + DIR_SEP + filename);
-    FileUtil::CreateFullPath(yuzu_keys_dir + DIR_SEP + filename);
-    std::ofstream file(yuzu_keys_dir + DIR_SEP + filename, std::ios::app);
-    if (!file.is_open())
-        return;
-    if (add_info_text) {
-        file
-            << "# This file is autogenerated by Yuzu\n"
-            << "# It serves to store keys that were automatically generated from the normal keys\n"
-            << "# If you are experiencing issues involving keys, it may help to delete this file\n";
     }
 
-    file << fmt::format("\n{} = {}", keyname, Common::HexToString(key));
+    const auto path = yuzu_keys_dir + DIR_SEP + filename;
+    const auto add_info_text = !FileUtil::Exists(path);
+    FileUtil::CreateFullPath(path);
+    FileUtil::IOFile file{path, "a"};
+    if (!file.IsOpen()) {
+        return;
+    }
+    if (add_info_text) {
+        file.WriteString(
+            "# This file is autogenerated by Yuzu\n"
+            "# It serves to store keys that were automatically generated from the normal keys\n"
+            "# If you are experiencing issues involving keys, it may help to delete this file\n");
+    }
+
+    file.WriteString(fmt::format("\n{} = {}", keyname, Common::HexToString(key)));
     AttemptLoadKeyFile(yuzu_keys_dir, yuzu_keys_dir, filename, category == KeyCategory::Title);
 }
 
@@ -944,12 +950,10 @@ void KeyManager::DeriveETicket(PartitionDataManager& data) {
         return;
     }
 
-    Key128 rsa_oaep_kek{};
-    std::transform(seed3.begin(), seed3.end(), mask0.begin(), rsa_oaep_kek.begin(),
-                   std::bit_xor<>());
-
-    if (rsa_oaep_kek == Key128{})
+    const Key128 rsa_oaep_kek = seed3 ^ mask0;
+    if (rsa_oaep_kek == Key128{}) {
         return;
+    }
 
     SetKey(S128KeyType::Source, rsa_oaep_kek,
            static_cast<u64>(SourceKeyType::RSAOaepKekGeneration));

src/core/crypto/partition_data_manager.cpp

@@ -161,7 +161,7 @@ std::array<u8, key_size> FindKeyFromHex(const std::vector<u8>& binary,
 
     std::array<u8, 0x20> temp{};
     for (size_t i = 0; i < binary.size() - key_size; ++i) {
-        mbedtls_sha256(binary.data() + i, key_size, temp.data(), 0);
+        mbedtls_sha256_ret(binary.data() + i, key_size, temp.data(), 0);
 
         if (temp != hash)
             continue;
@@ -189,7 +189,7 @@ static std::array<Key128, 0x20> FindEncryptedMasterKeyFromHex(const std::vector<
     AESCipher<Key128> cipher(key, Mode::ECB);
     for (size_t i = 0; i < binary.size() - 0x10; ++i) {
         cipher.Transcode(binary.data() + i, dec_temp.size(), dec_temp.data(), Op::Decrypt);
-        mbedtls_sha256(dec_temp.data(), dec_temp.size(), temp.data(), 0);
+        mbedtls_sha256_ret(dec_temp.data(), dec_temp.size(), temp.data(), 0);
 
         for (size_t k = 0; k < out.size(); ++k) {
             if (temp == master_key_hashes[k]) {
@@ -204,11 +204,12 @@ static std::array<Key128, 0x20> FindEncryptedMasterKeyFromHex(const std::vector<
 
 FileSys::VirtualFile FindFileInDirWithNames(const FileSys::VirtualDir& dir,
                                             const std::string& name) {
-    auto upper = name;
-    std::transform(upper.begin(), upper.end(), upper.begin(), [](u8 c) { return std::toupper(c); });
+    const auto upper = Common::ToUpper(name);
+
     for (const auto& fname : {name, name + ".bin", upper, upper + ".BIN"}) {
-        if (dir->GetFile(fname) != nullptr)
+        if (dir->GetFile(fname) != nullptr) {
             return dir->GetFile(fname);
+        }
     }
 
     return nullptr;

src/core/file_sys/directory.h

@@ -15,7 +15,7 @@
 
 namespace FileSys {
 
-enum EntryType : u8 {
+enum class EntryType : u8 {
     Directory = 0,
     File = 1,
 };

src/core/file_sys/kernel_executable.cpp

@@ -147,7 +147,7 @@ std::vector<u32> KIP::GetKernelCapabilities() const {
 }
 
 s32 KIP::GetMainThreadPriority() const {
-    return header.main_thread_priority;
+    return static_cast<s32>(header.main_thread_priority);
 }
 
 u32 KIP::GetMainThreadStackSize() const {

src/core/file_sys/patch_manager.cpp

@@ -76,7 +76,7 @@ VirtualDir PatchManager::PatchExeFS(VirtualDir exefs) const {
 
     const auto& disabled = Settings::values.disabled_addons[title_id];
     const auto update_disabled =
-        std::find(disabled.begin(), disabled.end(), "Update") != disabled.end();
+        std::find(disabled.cbegin(), disabled.cend(), "Update") != disabled.cend();
 
     // Game Updates
     const auto update_tid = GetUpdateTitleID(title_id);
@@ -127,7 +127,7 @@ std::vector<VirtualFile> PatchManager::CollectPatches(const std::vector<VirtualD
     std::vector<VirtualFile> out;
     out.reserve(patch_dirs.size());
     for (const auto& subdir : patch_dirs) {
-        if (std::find(disabled.begin(), disabled.end(), subdir->GetName()) != disabled.end())
+        if (std::find(disabled.cbegin(), disabled.cend(), subdir->GetName()) != disabled.cend())
             continue;
 
         auto exefs_dir = subdir->GetSubdirectory("exefs");
@@ -284,12 +284,17 @@ std::vector<Memory::CheatEntry> PatchManager::CreateCheatList(
         return {};
     }
 
+    const auto& disabled = Settings::values.disabled_addons[title_id];
     auto patch_dirs = load_dir->GetSubdirectories();
     std::sort(patch_dirs.begin(), patch_dirs.end(),
               [](const VirtualDir& l, const VirtualDir& r) { return l->GetName() < r->GetName(); });
 
     std::vector<Memory::CheatEntry> out;
     for (const auto& subdir : patch_dirs) {
+        if (std::find(disabled.cbegin(), disabled.cend(), subdir->GetName()) != disabled.cend()) {
+            continue;
+        }
+
         auto cheats_dir = subdir->GetSubdirectory("cheats");
         if (cheats_dir != nullptr) {
             auto res = ReadCheatFileFromFolder(system, title_id, build_id_, cheats_dir, true);
@@ -331,8 +336,9 @@ static void ApplyLayeredFS(VirtualFile& romfs, u64 title_id, ContentRecordType t
     layers.reserve(patch_dirs.size() + 1);
     layers_ext.reserve(patch_dirs.size() + 1);
     for (const auto& subdir : patch_dirs) {
-        if (std::find(disabled.begin(), disabled.end(), subdir->GetName()) != disabled.end())
+        if (std::find(disabled.cbegin(), disabled.cend(), subdir->GetName()) != disabled.cend()) {
             continue;
+        }
 
         auto romfs_dir = subdir->GetSubdirectory("romfs");
         if (romfs_dir != nullptr)
@@ -381,7 +387,7 @@ VirtualFile PatchManager::PatchRomFS(VirtualFile romfs, u64 ivfc_offset, Content
 
     const auto& disabled = Settings::values.disabled_addons[title_id];
     const auto update_disabled =
-        std::find(disabled.begin(), disabled.end(), "Update") != disabled.end();
+        std::find(disabled.cbegin(), disabled.cend(), "Update") != disabled.cend();
 
     if (!update_disabled && update != nullptr) {
         const auto new_nca = std::make_shared<NCA>(update, romfs, ivfc_offset);
@@ -431,7 +437,7 @@ std::map<std::string, std::string, std::less<>> PatchManager::GetPatchVersionNam
     auto [nacp, discard_icon_file] = update.GetControlMetadata();
 
     const auto update_disabled =
-        std::find(disabled.begin(), disabled.end(), "Update") != disabled.end();
+        std::find(disabled.cbegin(), disabled.cend(), "Update") != disabled.cend();
     const auto update_label = update_disabled ? "[D] Update" : "Update";
 
     if (nacp != nullptr) {

src/core/file_sys/program_metadata.cpp

@@ -52,14 +52,14 @@ Loader::ResultStatus ProgramMetadata::Load(VirtualFile file) {
 }
 
 void ProgramMetadata::LoadManual(bool is_64_bit, ProgramAddressSpaceType address_space,
-                                 u8 main_thread_prio, u8 main_thread_core,
+                                 s32 main_thread_prio, u32 main_thread_core,
                                  u32 main_thread_stack_size, u64 title_id,
                                  u64 filesystem_permissions,
                                  KernelCapabilityDescriptors capabilities) {
     npdm_header.has_64_bit_instructions.Assign(is_64_bit);
     npdm_header.address_space_type.Assign(address_space);
-    npdm_header.main_thread_priority = main_thread_prio;
-    npdm_header.main_thread_cpu = main_thread_core;
+    npdm_header.main_thread_priority = static_cast<u8>(main_thread_prio);
+    npdm_header.main_thread_cpu = static_cast<u8>(main_thread_core);
     npdm_header.main_stack_size = main_thread_stack_size;
     aci_header.title_id = title_id;
     aci_file_access.permissions = filesystem_permissions;

src/core/file_sys/program_metadata.h

@@ -47,8 +47,8 @@ public:
     Loader::ResultStatus Load(VirtualFile file);
 
     // Load from parameters instead of NPDM file, used for KIP
-    void LoadManual(bool is_64_bit, ProgramAddressSpaceType address_space, u8 main_thread_prio,
-                    u8 main_thread_core, u32 main_thread_stack_size, u64 title_id,
+    void LoadManual(bool is_64_bit, ProgramAddressSpaceType address_space, s32 main_thread_prio,
+                    u32 main_thread_core, u32 main_thread_stack_size, u64 title_id,
                     u64 filesystem_permissions, KernelCapabilityDescriptors capabilities);
 
     bool Is64BitProgram() const;

src/core/file_sys/registered_cache.cpp

@@ -62,7 +62,7 @@ static std::string GetRelativePathFromNcaID(const std::array<u8, 16>& nca_id, bo
                            Common::HexToString(nca_id, second_hex_upper));
 
     Core::Crypto::SHA256Hash hash{};
-    mbedtls_sha256(nca_id.data(), nca_id.size(), hash.data(), 0);
+    mbedtls_sha256_ret(nca_id.data(), nca_id.size(), hash.data(), 0);
     return fmt::format(cnmt_suffix ? "/000000{:02X}/{}.cnmt.nca" : "/000000{:02X}/{}.nca", hash[0],
                        Common::HexToString(nca_id, second_hex_upper));
 }
@@ -141,7 +141,7 @@ bool PlaceholderCache::Create(const NcaID& id, u64 size) const {
     }
 
     Core::Crypto::SHA256Hash hash{};
-    mbedtls_sha256(id.data(), id.size(), hash.data(), 0);
+    mbedtls_sha256_ret(id.data(), id.size(), hash.data(), 0);
     const auto dirname = fmt::format("000000{:02X}", hash[0]);
 
     const auto dir2 = GetOrCreateDirectoryRelative(dir, dirname);
@@ -165,7 +165,7 @@ bool PlaceholderCache::Delete(const NcaID& id) const {
     }
 
     Core::Crypto::SHA256Hash hash{};
-    mbedtls_sha256(id.data(), id.size(), hash.data(), 0);
+    mbedtls_sha256_ret(id.data(), id.size(), hash.data(), 0);
     const auto dirname = fmt::format("000000{:02X}", hash[0]);
 
     const auto dir2 = GetOrCreateDirectoryRelative(dir, dirname);
@@ -603,7 +603,7 @@ InstallResult RegisteredCache::InstallEntry(const NCA& nca, TitleType type,
     OptionalHeader opt_header{0, 0};
     ContentRecord c_rec{{}, {}, {}, GetCRTypeFromNCAType(nca.GetType()), {}};
     const auto& data = nca.GetBaseFile()->ReadBytes(0x100000);
-    mbedtls_sha256(data.data(), data.size(), c_rec.hash.data(), 0);
+    mbedtls_sha256_ret(data.data(), data.size(), c_rec.hash.data(), 0);
     memcpy(&c_rec.nca_id, &c_rec.hash, 16);
     const CNMT new_cnmt(header, opt_header, {c_rec}, {});
     if (!RawInstallYuzuMeta(new_cnmt))
@@ -626,7 +626,7 @@ InstallResult RegisteredCache::RawInstallNCA(const NCA& nca, const VfsCopyFuncti
         id = *override_id;
     } else {
         const auto& data = in->ReadBytes(0x100000);
-        mbedtls_sha256(data.data(), data.size(), hash.data(), 0);
+        mbedtls_sha256_ret(data.data(), data.size(), hash.data(), 0);
         memcpy(id.data(), hash.data(), 16);
     }
 

src/core/file_sys/romfs.cpp

@@ -2,6 +2,8 @@
 // Licensed under GPLv2 or any later version
 // Refer to the license.txt file included.
 
+#include <memory>
+
 #include "common/common_types.h"
 #include "common/swap.h"
 #include "core/file_sys/fsmitm_romfsbuild.h"
@@ -12,7 +14,7 @@
 #include "core/file_sys/vfs_vector.h"
 
 namespace FileSys {
-
+namespace {
 constexpr u32 ROMFS_ENTRY_EMPTY = 0xFFFFFFFF;
 
 struct TableLocation {
@@ -51,7 +53,7 @@ struct FileEntry {
 static_assert(sizeof(FileEntry) == 0x20, "FileEntry has incorrect size.");
 
 template <typename Entry>
-static std::pair<Entry, std::string> GetEntry(const VirtualFile& file, std::size_t offset) {
+std::pair<Entry, std::string> GetEntry(const VirtualFile& file, std::size_t offset) {
     Entry entry{};
     if (file->ReadObject(&entry, offset) != sizeof(Entry))
         return {};
@@ -99,6 +101,7 @@ void ProcessDirectory(VirtualFile file, std::size_t dir_offset, std::size_t file
         this_dir_offset = entry.first.sibling;
     }
 }
+} // Anonymous namespace
 
 VirtualDir ExtractRomFS(VirtualFile file, RomFSExtractionType type) {
     RomFSHeader header{};

src/core/file_sys/romfs.h

@@ -5,10 +5,6 @@
 #pragma once
 
 #include <array>
-#include <map>
-#include "common/common_funcs.h"
-#include "common/common_types.h"
-#include "common/swap.h"
 #include "core/file_sys/vfs.h"
 
 namespace FileSys {

src/core/file_sys/romfs_factory.cpp

@@ -71,12 +71,12 @@ ResultVal<VirtualFile> RomFSFactory::Open(u64 title_id, StorageId storage,
 
     if (res == nullptr) {
         // TODO(DarkLordZach): Find the right error code to use here
-        return ResultCode(-1);
+        return RESULT_UNKNOWN;
     }
     const auto romfs = res->GetRomFS();
     if (romfs == nullptr) {
         // TODO(DarkLordZach): Find the right error code to use here
-        return ResultCode(-1);
+        return RESULT_UNKNOWN;
     }
     return MakeResult<VirtualFile>(romfs);
 }

src/core/file_sys/savedata_factory.cpp

@@ -90,7 +90,7 @@ ResultVal<VirtualDir> SaveDataFactory::Create(SaveDataSpaceId space,
     // Return an error if the save data doesn't actually exist.
     if (out == nullptr) {
         // TODO(DarkLordZach): Find out correct error code.
-        return ResultCode(-1);
+        return RESULT_UNKNOWN;
     }
 
     return MakeResult<VirtualDir>(std::move(out));
@@ -111,7 +111,7 @@ ResultVal<VirtualDir> SaveDataFactory::Open(SaveDataSpaceId space,
     // Return an error if the save data doesn't actually exist.
     if (out == nullptr) {
         // TODO(Subv): Find out correct error code.
-        return ResultCode(-1);
+        return RESULT_UNKNOWN;
     }
 
     return MakeResult<VirtualDir>(std::move(out));

src/core/file_sys/vfs_libzip.cpp

@@ -27,7 +27,7 @@ VirtualDir ExtractZIP(VirtualFile file) {
 
     std::shared_ptr<VectorVfsDirectory> out = std::make_shared<VectorVfsDirectory>();
 
-    const auto num_entries = zip_get_num_entries(zip.get(), 0);
+    const auto num_entries = static_cast<std::size_t>(zip_get_num_entries(zip.get(), 0));
 
     zip_stat_t stat{};
     zip_stat_init(&stat);

src/core/file_sys/xts_archive.cpp

@@ -7,12 +7,13 @@
 #include <cstring>
 #include <regex>
 #include <string>
+
 #include <mbedtls/md.h>
 #include <mbedtls/sha256.h>
-#include "common/assert.h"
+
 #include "common/file_util.h"
 #include "common/hex_util.h"
-#include "common/logging/log.h"
+#include "common/string_util.h"
 #include "core/crypto/aes_util.h"
 #include "core/crypto/xts_encryption_layer.h"
 #include "core/file_sys/partition_filesystem.h"
@@ -53,18 +54,15 @@ NAX::NAX(VirtualFile file_) : header(std::make_unique<NAXHeader>()), file(std::m
         return;
     }
 
-    std::string two_dir = match[1];
-    std::string nca_id = match[2];
-    std::transform(two_dir.begin(), two_dir.end(), two_dir.begin(), ::toupper);
-    std::transform(nca_id.begin(), nca_id.end(), nca_id.begin(), ::tolower);
-
+    const std::string two_dir = Common::ToUpper(match[1]);
+    const std::string nca_id = Common::ToLower(match[2]);
     status = Parse(fmt::format("/registered/{}/{}.nca", two_dir, nca_id));
 }
 
 NAX::NAX(VirtualFile file_, std::array<u8, 0x10> nca_id)
     : header(std::make_unique<NAXHeader>()), file(std::move(file_)) {
     Core::Crypto::SHA256Hash hash{};
-    mbedtls_sha256(nca_id.data(), nca_id.size(), hash.data(), 0);
+    mbedtls_sha256_ret(nca_id.data(), nca_id.size(), hash.data(), 0);
     status = Parse(fmt::format("/registered/000000{:02X}/{}.nca", hash[0],
                                Common::HexToString(nca_id, false)));
 }
@@ -93,8 +91,7 @@ Loader::ResultStatus NAX::Parse(std::string_view path) {
     std::size_t i = 0;
     for (; i < sd_keys.size(); ++i) {
         std::array<Core::Crypto::Key128, 2> nax_keys{};
-        if (!CalculateHMAC256(nax_keys.data(), sd_keys[i].data(), 0x10, std::string(path).c_str(),
-                              path.size())) {
+        if (!CalculateHMAC256(nax_keys.data(), sd_keys[i].data(), 0x10, path.data(), path.size())) {
             return Loader::ResultStatus::ErrorNAXKeyHMACFailed;
         }
 

src/core/gdbstub/gdbstub.cpp

@@ -468,7 +468,8 @@ static u8 ReadByte() {
 
 /// Calculate the checksum of the current command buffer.
 static u8 CalculateChecksum(const u8* buffer, std::size_t length) {
-    return static_cast<u8>(std::accumulate(buffer, buffer + length, 0, std::plus<u8>()));
+    return static_cast<u8>(std::accumulate(buffer, buffer + length, u8{0},
+                                           [](u8 lhs, u8 rhs) { return u8(lhs + rhs); }));
 }
 
 /**
@@ -507,8 +508,9 @@ static void RemoveBreakpoint(BreakpointType type, VAddr addr) {
               bp->second.len, bp->second.addr, static_cast<int>(type));
 
     if (type == BreakpointType::Execute) {
-        Memory::WriteBlock(bp->second.addr, bp->second.inst.data(), bp->second.inst.size());
-        Core::System::GetInstance().InvalidateCpuInstructionCaches();
+        auto& system = Core::System::GetInstance();
+        system.Memory().WriteBlock(bp->second.addr, bp->second.inst.data(), bp->second.inst.size());
+        system.InvalidateCpuInstructionCaches();
     }
     p.erase(addr);
 }
@@ -968,12 +970,13 @@ static void ReadMemory() {
         SendReply("E01");
     }
 
-    if (!Memory::IsValidVirtualAddress(addr)) {
+    auto& memory = Core::System::GetInstance().Memory();
+    if (!memory.IsValidVirtualAddress(addr)) {
         return SendReply("E00");
     }
 
     std::vector<u8> data(len);
-    Memory::ReadBlock(addr, data.data(), len);
+    memory.ReadBlock(addr, data.data(), len);
 
     MemToGdbHex(reply, data.data(), len);
     reply[len * 2] = '\0';
@@ -983,22 +986,23 @@ static void ReadMemory() {
 /// Modify location in memory with data received from the gdb client.
 static void WriteMemory() {
     auto start_offset = command_buffer + 1;
-    auto addr_pos = std::find(start_offset, command_buffer + command_length, ',');
-    VAddr addr = HexToLong(start_offset, static_cast<u64>(addr_pos - start_offset));
+    const auto addr_pos = std::find(start_offset, command_buffer + command_length, ',');
+    const VAddr addr = HexToLong(start_offset, static_cast<u64>(addr_pos - start_offset));
 
     start_offset = addr_pos + 1;
-    auto len_pos = std::find(start_offset, command_buffer + command_length, ':');
-    u64 len = HexToLong(start_offset, static_cast<u64>(len_pos - start_offset));
+    const auto len_pos = std::find(start_offset, command_buffer + command_length, ':');
+    const u64 len = HexToLong(start_offset, static_cast<u64>(len_pos - start_offset));
 
-    if (!Memory::IsValidVirtualAddress(addr)) {
+    auto& system = Core::System::GetInstance();
+    auto& memory = system.Memory();
+    if (!memory.IsValidVirtualAddress(addr)) {
         return SendReply("E00");
     }
 
     std::vector<u8> data(len);
-
     GdbHexToMem(data.data(), len_pos + 1, len);
-    Memory::WriteBlock(addr, data.data(), len);
-    Core::System::GetInstance().InvalidateCpuInstructionCaches();
+    memory.WriteBlock(addr, data.data(), len);
+    system.InvalidateCpuInstructionCaches();
     SendReply("OK");
 }
 
@@ -1054,12 +1058,15 @@ static bool CommitBreakpoint(BreakpointType type, VAddr addr, u64 len) {
     breakpoint.active = true;
     breakpoint.addr = addr;
     breakpoint.len = len;
-    Memory::ReadBlock(addr, breakpoint.inst.data(), breakpoint.inst.size());
+
+    auto& system = Core::System::GetInstance();
+    auto& memory = system.Memory();
+    memory.ReadBlock(addr, breakpoint.inst.data(), breakpoint.inst.size());
 
     static constexpr std::array<u8, 4> btrap{0x00, 0x7d, 0x20, 0xd4};
     if (type == BreakpointType::Execute) {
-        Memory::WriteBlock(addr, btrap.data(), btrap.size());
-        Core::System::GetInstance().InvalidateCpuInstructionCaches();
+        memory.WriteBlock(addr, btrap.data(), btrap.size());
+        system.InvalidateCpuInstructionCaches();
     }
     p.insert({addr, breakpoint});
 

src/core/hardware_interrupt_manager.cpp

@@ -11,13 +11,12 @@
 namespace Core::Hardware {
 
 InterruptManager::InterruptManager(Core::System& system_in) : system(system_in) {
-    gpu_interrupt_event =
-        system.CoreTiming().RegisterEvent("GPUInterrupt", [this](u64 message, s64) {
-            auto nvdrv = system.ServiceManager().GetService<Service::Nvidia::NVDRV>("nvdrv");
-            const u32 syncpt = static_cast<u32>(message >> 32);
-            const u32 value = static_cast<u32>(message);
-            nvdrv->SignalGPUInterruptSyncpt(syncpt, value);
-        });
+    gpu_interrupt_event = Core::Timing::CreateEvent("GPUInterrupt", [this](u64 message, s64) {
+        auto nvdrv = system.ServiceManager().GetService<Service::Nvidia::NVDRV>("nvdrv");
+        const u32 syncpt = static_cast<u32>(message >> 32);
+        const u32 value = static_cast<u32>(message);
+        nvdrv->SignalGPUInterruptSyncpt(syncpt, value);
+    });
 }
 
 InterruptManager::~InterruptManager() = default;

src/core/hardware_interrupt_manager.h

@@ -4,6 +4,8 @@
 
 #pragma once
 
+#include <memory>
+
 #include "common/common_types.h"
 
 namespace Core {
@@ -25,7 +27,7 @@ public:
 
 private:
     Core::System& system;
-    Core::Timing::EventType* gpu_interrupt_event{};
+    std::shared_ptr<Core::Timing::EventType> gpu_interrupt_event;
 };
 
 } // namespace Core::Hardware

src/core/hle/ipc_helpers.h

@@ -19,6 +19,7 @@
 #include "core/hle/kernel/hle_ipc.h"
 #include "core/hle/kernel/object.h"
 #include "core/hle/kernel/server_session.h"
+#include "core/hle/kernel/session.h"
 #include "core/hle/result.h"
 
 namespace IPC {
@@ -139,10 +140,9 @@ public:
             context->AddDomainObject(std::move(iface));
         } else {
             auto& kernel = Core::System::GetInstance().Kernel();
-            auto [server, client] =
-                Kernel::ServerSession::CreateSessionPair(kernel, iface->GetServiceName());
-            iface->ClientConnected(server);
+            auto [client, server] = Kernel::Session::Create(kernel, iface->GetServiceName());
             context->AddMoveObject(std::move(client));
+            iface->ClientConnected(std::move(server));
         }
     }
 
@@ -203,10 +203,10 @@ public:
     void PushRaw(const T& value);
 
     template <typename... O>
-    void PushMoveObjects(Kernel::SharedPtr<O>... pointers);
+    void PushMoveObjects(std::shared_ptr<O>... pointers);
 
     template <typename... O>
-    void PushCopyObjects(Kernel::SharedPtr<O>... pointers);
+    void PushCopyObjects(std::shared_ptr<O>... pointers);
 
 private:
     u32 normal_params_size{};
@@ -298,7 +298,7 @@ void ResponseBuilder::Push(const First& first_value, const Other&... other_value
 }
 
 template <typename... O>
-inline void ResponseBuilder::PushCopyObjects(Kernel::SharedPtr<O>... pointers) {
+inline void ResponseBuilder::PushCopyObjects(std::shared_ptr<O>... pointers) {
     auto objects = {pointers...};
     for (auto& object : objects) {
         context->AddCopyObject(std::move(object));
@@ -306,7 +306,7 @@ inline void ResponseBuilder::PushCopyObjects(Kernel::SharedPtr<O>... pointers) {
 }
 
 template <typename... O>
-inline void ResponseBuilder::PushMoveObjects(Kernel::SharedPtr<O>... pointers) {
+inline void ResponseBuilder::PushMoveObjects(std::shared_ptr<O>... pointers) {
     auto objects = {pointers...};
     for (auto& object : objects) {
         context->AddMoveObject(std::move(object));
@@ -357,10 +357,10 @@ public:
     T PopRaw();
 
     template <typename T>
-    Kernel::SharedPtr<T> GetMoveObject(std::size_t index);
+    std::shared_ptr<T> GetMoveObject(std::size_t index);
 
     template <typename T>
-    Kernel::SharedPtr<T> GetCopyObject(std::size_t index);
+    std::shared_ptr<T> GetCopyObject(std::size_t index);
 
     template <class T>
     std::shared_ptr<T> PopIpcInterface() {
@@ -465,12 +465,12 @@ void RequestParser::Pop(First& first_value, Other&... other_values) {
 }
 
 template <typename T>
-Kernel::SharedPtr<T> RequestParser::GetMoveObject(std::size_t index) {
+std::shared_ptr<T> RequestParser::GetMoveObject(std::size_t index) {
     return context->GetMoveObject<T>(index);
 }
 
 template <typename T>
-Kernel::SharedPtr<T> RequestParser::GetCopyObject(std::size_t index) {
+std::shared_ptr<T> RequestParser::GetCopyObject(std::size_t index) {
     return context->GetCopyObject<T>(index);
 }
 

src/core/hle/kernel/address_arbiter.cpp

@@ -11,18 +11,16 @@
 #include "core/core_cpu.h"
 #include "core/hle/kernel/address_arbiter.h"
 #include "core/hle/kernel/errors.h"
-#include "core/hle/kernel/object.h"
-#include "core/hle/kernel/process.h"
 #include "core/hle/kernel/scheduler.h"
 #include "core/hle/kernel/thread.h"
 #include "core/hle/result.h"
 #include "core/memory.h"
 
 namespace Kernel {
-namespace {
+
 // Wake up num_to_wake (or all) threads in a vector.
-void WakeThreads(const std::vector<SharedPtr<Thread>>& waiting_threads, s32 num_to_wake) {
-    auto& system = Core::System::GetInstance();
+void AddressArbiter::WakeThreads(const std::vector<std::shared_ptr<Thread>>& waiting_threads,
+                                 s32 num_to_wake) {
     // Only process up to 'target' threads, unless 'target' is <= 0, in which case process
     // them all.
     std::size_t last = waiting_threads.size();
@@ -34,12 +32,12 @@ void WakeThreads(const std::vector<SharedPtr<Thread>>& waiting_threads, s32 num_
     for (std::size_t i = 0; i < last; i++) {
         ASSERT(waiting_threads[i]->GetStatus() == ThreadStatus::WaitArb);
         waiting_threads[i]->SetWaitSynchronizationResult(RESULT_SUCCESS);
+        RemoveThread(waiting_threads[i]);
         waiting_threads[i]->SetArbiterWaitAddress(0);
         waiting_threads[i]->ResumeFromWait();
         system.PrepareReschedule(waiting_threads[i]->GetProcessorID());
     }
 }
-} // Anonymous namespace
 
 AddressArbiter::AddressArbiter(Core::System& system) : system{system} {}
 AddressArbiter::~AddressArbiter() = default;
@@ -59,35 +57,41 @@ ResultCode AddressArbiter::SignalToAddress(VAddr address, SignalType type, s32 v
 }
 
 ResultCode AddressArbiter::SignalToAddressOnly(VAddr address, s32 num_to_wake) {
-    const std::vector<SharedPtr<Thread>> waiting_threads = GetThreadsWaitingOnAddress(address);
+    const std::vector<std::shared_ptr<Thread>> waiting_threads =
+        GetThreadsWaitingOnAddress(address);
     WakeThreads(waiting_threads, num_to_wake);
     return RESULT_SUCCESS;
 }
 
 ResultCode AddressArbiter::IncrementAndSignalToAddressIfEqual(VAddr address, s32 value,
                                                               s32 num_to_wake) {
+    auto& memory = system.Memory();
+
     // Ensure that we can write to the address.
-    if (!Memory::IsValidVirtualAddress(address)) {
+    if (!memory.IsValidVirtualAddress(address)) {
         return ERR_INVALID_ADDRESS_STATE;
     }
 
-    if (static_cast<s32>(Memory::Read32(address)) != value) {
+    if (static_cast<s32>(memory.Read32(address)) != value) {
         return ERR_INVALID_STATE;
     }
 
-    Memory::Write32(address, static_cast<u32>(value + 1));
+    memory.Write32(address, static_cast<u32>(value + 1));
     return SignalToAddressOnly(address, num_to_wake);
 }
 
 ResultCode AddressArbiter::ModifyByWaitingCountAndSignalToAddressIfEqual(VAddr address, s32 value,
                                                                          s32 num_to_wake) {
+    auto& memory = system.Memory();
+
     // Ensure that we can write to the address.
-    if (!Memory::IsValidVirtualAddress(address)) {
+    if (!memory.IsValidVirtualAddress(address)) {
         return ERR_INVALID_ADDRESS_STATE;
     }
 
     // Get threads waiting on the address.
-    const std::vector<SharedPtr<Thread>> waiting_threads = GetThreadsWaitingOnAddress(address);
+    const std::vector<std::shared_ptr<Thread>> waiting_threads =
+        GetThreadsWaitingOnAddress(address);
 
     // Determine the modified value depending on the waiting count.
     s32 updated_value;
@@ -107,11 +111,11 @@ ResultCode AddressArbiter::ModifyByWaitingCountAndSignalToAddressIfEqual(VAddr a
         }
     }
 
-    if (static_cast<s32>(Memory::Read32(address)) != value) {
+    if (static_cast<s32>(memory.Read32(address)) != value) {
         return ERR_INVALID_STATE;
     }
 
-    Memory::Write32(address, static_cast<u32>(updated_value));
+    memory.Write32(address, static_cast<u32>(updated_value));
     WakeThreads(waiting_threads, num_to_wake);
     return RESULT_SUCCESS;
 }
@@ -132,18 +136,20 @@ ResultCode AddressArbiter::WaitForAddress(VAddr address, ArbitrationType type, s
 
 ResultCode AddressArbiter::WaitForAddressIfLessThan(VAddr address, s32 value, s64 timeout,
                                                     bool should_decrement) {
+    auto& memory = system.Memory();
+
     // Ensure that we can read the address.
-    if (!Memory::IsValidVirtualAddress(address)) {
+    if (!memory.IsValidVirtualAddress(address)) {
         return ERR_INVALID_ADDRESS_STATE;
     }
 
-    const s32 cur_value = static_cast<s32>(Memory::Read32(address));
+    const s32 cur_value = static_cast<s32>(memory.Read32(address));
     if (cur_value >= value) {
         return ERR_INVALID_STATE;
     }
 
     if (should_decrement) {
-        Memory::Write32(address, static_cast<u32>(cur_value - 1));
+        memory.Write32(address, static_cast<u32>(cur_value - 1));
     }
 
     // Short-circuit without rescheduling, if timeout is zero.
@@ -155,15 +161,19 @@ ResultCode AddressArbiter::WaitForAddressIfLessThan(VAddr address, s32 value, s6
 }
 
 ResultCode AddressArbiter::WaitForAddressIfEqual(VAddr address, s32 value, s64 timeout) {
+    auto& memory = system.Memory();
+
     // Ensure that we can read the address.
-    if (!Memory::IsValidVirtualAddress(address)) {
+    if (!memory.IsValidVirtualAddress(address)) {
         return ERR_INVALID_ADDRESS_STATE;
     }
+
     // Only wait for the address if equal.
-    if (static_cast<s32>(Memory::Read32(address)) != value) {
+    if (static_cast<s32>(memory.Read32(address)) != value) {
         return ERR_INVALID_STATE;
     }
-    // Short-circuit without rescheduling, if timeout is zero.
+
+    // Short-circuit without rescheduling if timeout is zero.
     if (timeout == 0) {
         return RESULT_TIMEOUT;
     }
@@ -172,36 +182,62 @@ ResultCode AddressArbiter::WaitForAddressIfEqual(VAddr address, s32 value, s64 t
 }
 
 ResultCode AddressArbiter::WaitForAddressImpl(VAddr address, s64 timeout) {
-    SharedPtr<Thread> current_thread = system.CurrentScheduler().GetCurrentThread();
+    Thread* current_thread = system.CurrentScheduler().GetCurrentThread();
     current_thread->SetArbiterWaitAddress(address);
+    InsertThread(SharedFrom(current_thread));
     current_thread->SetStatus(ThreadStatus::WaitArb);
     current_thread->InvalidateWakeupCallback();
-
     current_thread->WakeAfterDelay(timeout);
 
     system.PrepareReschedule(current_thread->GetProcessorID());
     return RESULT_TIMEOUT;
 }
 
-std::vector<SharedPtr<Thread>> AddressArbiter::GetThreadsWaitingOnAddress(VAddr address) const {
+void AddressArbiter::HandleWakeupThread(std::shared_ptr<Thread> thread) {
+    ASSERT(thread->GetStatus() == ThreadStatus::WaitArb);
+    RemoveThread(thread);
+    thread->SetArbiterWaitAddress(0);
+}
 
-    // Retrieve all threads that are waiting for this address.
-    std::vector<SharedPtr<Thread>> threads;
-    const auto& scheduler = system.GlobalScheduler();
-    const auto& thread_list = scheduler.GetThreadList();
-
-    for (const auto& thread : thread_list) {
-        if (thread->GetArbiterWaitAddress() == address) {
-            threads.push_back(thread);
+void AddressArbiter::InsertThread(std::shared_ptr<Thread> thread) {
+    const VAddr arb_addr = thread->GetArbiterWaitAddress();
+    std::list<std::shared_ptr<Thread>>& thread_list = arb_threads[arb_addr];
+    auto it = thread_list.begin();
+    while (it != thread_list.end()) {
+        const std::shared_ptr<Thread>& current_thread = *it;
+        if (current_thread->GetPriority() >= thread->GetPriority()) {
+            thread_list.insert(it, thread);
+            return;
         }
+        ++it;
     }
+    thread_list.push_back(std::move(thread));
+}
 
-    // Sort them by priority, such that the highest priority ones come first.
-    std::sort(threads.begin(), threads.end(),
-              [](const SharedPtr<Thread>& lhs, const SharedPtr<Thread>& rhs) {
-                  return lhs->GetPriority() < rhs->GetPriority();
-              });
+void AddressArbiter::RemoveThread(std::shared_ptr<Thread> thread) {
+    const VAddr arb_addr = thread->GetArbiterWaitAddress();
+    std::list<std::shared_ptr<Thread>>& thread_list = arb_threads[arb_addr];
+    auto it = thread_list.begin();
+    while (it != thread_list.end()) {
+        const std::shared_ptr<Thread>& current_thread = *it;
+        if (current_thread.get() == thread.get()) {
+            thread_list.erase(it);
+            return;
+        }
+        ++it;
+    }
+    UNREACHABLE();
+}
 
-    return threads;
+std::vector<std::shared_ptr<Thread>> AddressArbiter::GetThreadsWaitingOnAddress(VAddr address) {
+    std::vector<std::shared_ptr<Thread>> result;
+    std::list<std::shared_ptr<Thread>>& thread_list = arb_threads[address];
+    auto it = thread_list.begin();
+    while (it != thread_list.end()) {
+        std::shared_ptr<Thread> current_thread = *it;
+        result.push_back(std::move(current_thread));
+        ++it;
+    }
+    return result;
 }
 } // namespace Kernel

src/core/hle/kernel/address_arbiter.h

@@ -4,10 +4,12 @@
 
 #pragma once
 
+#include <list>
+#include <memory>
+#include <unordered_map>
 #include <vector>
 
 #include "common/common_types.h"
-#include "core/hle/kernel/object.h"
 
 union ResultCode;
 
@@ -48,6 +50,9 @@ public:
     /// Waits on an address with a particular arbitration type.
     ResultCode WaitForAddress(VAddr address, ArbitrationType type, s32 value, s64 timeout_ns);
 
+    /// Removes a thread from the container and resets its address arbiter adress to 0
+    void HandleWakeupThread(std::shared_ptr<Thread> thread);
+
 private:
     /// Signals an address being waited on.
     ResultCode SignalToAddressOnly(VAddr address, s32 num_to_wake);
@@ -71,8 +76,20 @@ private:
     // Waits on the given address with a timeout in nanoseconds
     ResultCode WaitForAddressImpl(VAddr address, s64 timeout);
 
+    /// Wake up num_to_wake (or all) threads in a vector.
+    void WakeThreads(const std::vector<std::shared_ptr<Thread>>& waiting_threads, s32 num_to_wake);
+
+    /// Insert a thread into the address arbiter container
+    void InsertThread(std::shared_ptr<Thread> thread);
+
+    /// Removes a thread from the address arbiter container
+    void RemoveThread(std::shared_ptr<Thread> thread);
+
     // Gets the threads waiting on an address.
-    std::vector<SharedPtr<Thread>> GetThreadsWaitingOnAddress(VAddr address) const;
+    std::vector<std::shared_ptr<Thread>> GetThreadsWaitingOnAddress(VAddr address);
+
+    /// List of threads waiting for a address arbiter
+    std::unordered_map<VAddr, std::list<std::shared_ptr<Thread>>> arb_threads;
 
     Core::System& system;
 };

src/core/hle/kernel/client_port.cpp

@@ -8,39 +8,35 @@
 #include "core/hle/kernel/hle_ipc.h"
 #include "core/hle/kernel/object.h"
 #include "core/hle/kernel/server_port.h"
-#include "core/hle/kernel/server_session.h"
+#include "core/hle/kernel/session.h"
 
 namespace Kernel {
 
 ClientPort::ClientPort(KernelCore& kernel) : Object{kernel} {}
 ClientPort::~ClientPort() = default;
 
-SharedPtr<ServerPort> ClientPort::GetServerPort() const {
+std::shared_ptr<ServerPort> ClientPort::GetServerPort() const {
     return server_port;
 }
 
-ResultVal<SharedPtr<ClientSession>> ClientPort::Connect() {
-    // Note: Threads do not wait for the server endpoint to call
-    // AcceptSession before returning from this call.
-
+ResultVal<std::shared_ptr<ClientSession>> ClientPort::Connect() {
     if (active_sessions >= max_sessions) {
         return ERR_MAX_CONNECTIONS_REACHED;
     }
     active_sessions++;
 
-    // Create a new session pair, let the created sessions inherit the parent port's HLE handler.
-    auto [server, client] = ServerSession::CreateSessionPair(kernel, server_port->GetName(), this);
+    auto [client, server] = Kernel::Session::Create(kernel, name);
 
     if (server_port->HasHLEHandler()) {
-        server_port->GetHLEHandler()->ClientConnected(server);
+        server_port->GetHLEHandler()->ClientConnected(std::move(server));
     } else {
-        server_port->AppendPendingSession(server);
+        server_port->AppendPendingSession(std::move(server));
     }
 
     // Wake the threads waiting on the ServerPort
     server_port->WakeupAllWaitingThreads();
 
-    return MakeResult(client);
+    return MakeResult(std::move(client));
 }
 
 void ClientPort::ConnectionClosed() {

src/core/hle/kernel/client_port.h

@@ -4,7 +4,9 @@
 
 #pragma once
 
+#include <memory>
 #include <string>
+
 #include "common/common_types.h"
 #include "core/hle/kernel/object.h"
 #include "core/hle/result.h"
@@ -17,6 +19,9 @@ class ServerPort;
 
 class ClientPort final : public Object {
 public:
+    explicit ClientPort(KernelCore& kernel);
+    ~ClientPort() override;
+
     friend class ServerPort;
     std::string GetTypeName() const override {
         return "ClientPort";
@@ -30,7 +35,7 @@ public:
         return HANDLE_TYPE;
     }
 
-    SharedPtr<ServerPort> GetServerPort() const;
+    std::shared_ptr<ServerPort> GetServerPort() const;
 
     /**
      * Creates a new Session pair, adds the created ServerSession to the associated ServerPort's
@@ -38,7 +43,7 @@ public:
      * waiting on it to awake.
      * @returns ClientSession The client endpoint of the created Session pair, or error code.
      */
-    ResultVal<SharedPtr<ClientSession>> Connect();
+    ResultVal<std::shared_ptr<ClientSession>> Connect();
 
     /**
      * Signifies that a previously active connection has been closed,
@@ -47,10 +52,7 @@ public:
     void ConnectionClosed();
 
 private:
-    explicit ClientPort(KernelCore& kernel);
-    ~ClientPort() override;
-
-    SharedPtr<ServerPort> server_port; ///< ServerPort associated with this client port.
+    std::shared_ptr<ServerPort> server_port; ///< ServerPort associated with this client port.
     u32 max_sessions = 0;    ///< Maximum number of simultaneous sessions the port can have
     u32 active_sessions = 0; ///< Number of currently open sessions to this port
     std::string name;        ///< Name of client port (optional)

src/core/hle/kernel/client_session.cpp

@@ -1,4 +1,4 @@
-// Copyright 2016 Citra Emulator Project
+// Copyright 2019 yuzu emulator team
 // Licensed under GPLv2 or any later version
 // Refer to the license.txt file included.
 
@@ -12,29 +12,44 @@
 
 namespace Kernel {
 
-ClientSession::ClientSession(KernelCore& kernel) : Object{kernel} {}
+ClientSession::ClientSession(KernelCore& kernel) : WaitObject{kernel} {}
+
 ClientSession::~ClientSession() {
     // This destructor will be called automatically when the last ClientSession handle is closed by
     // the emulated application.
-
-    // A local reference to the ServerSession is necessary to guarantee it
-    // will be kept alive until after ClientDisconnected() returns.
-    SharedPtr<ServerSession> server = parent->server;
-    if (server) {
-        server->ClientDisconnected();
+    if (parent->Server()) {
+        parent->Server()->ClientDisconnected();
     }
-
-    parent->client = nullptr;
 }
 
-ResultCode ClientSession::SendSyncRequest(SharedPtr<Thread> thread) {
+bool ClientSession::ShouldWait(const Thread* thread) const {
+    UNIMPLEMENTED();
+    return {};
+}
+
+void ClientSession::Acquire(Thread* thread) {
+    UNIMPLEMENTED();
+}
+
+ResultVal<std::shared_ptr<ClientSession>> ClientSession::Create(KernelCore& kernel,
+                                                                std::shared_ptr<Session> parent,
+                                                                std::string name) {
+    std::shared_ptr<ClientSession> client_session{std::make_shared<ClientSession>(kernel)};
+
+    client_session->name = std::move(name);
+    client_session->parent = std::move(parent);
+
+    return MakeResult(std::move(client_session));
+}
+
+ResultCode ClientSession::SendSyncRequest(std::shared_ptr<Thread> thread, Memory::Memory& memory) {
     // Keep ServerSession alive until we're done working with it.
-    SharedPtr<ServerSession> server = parent->server;
-    if (server == nullptr)
+    if (!parent->Server()) {
         return ERR_SESSION_CLOSED_BY_REMOTE;
+    }
 
     // Signal the server session that new data is available
-    return server->HandleSyncRequest(std::move(thread));
+    return parent->Server()->HandleSyncRequest(std::move(thread), memory);
 }
 
 } // namespace Kernel

src/core/hle/kernel/client_session.h

@@ -1,4 +1,4 @@
-// Copyright 2016 Citra Emulator Project
+// Copyright 2019 yuzu emulator team
 // Licensed under GPLv2 or any later version
 // Refer to the license.txt file included.
 
@@ -6,20 +6,28 @@
 
 #include <memory>
 #include <string>
-#include "core/hle/kernel/object.h"
+
+#include "core/hle/kernel/wait_object.h"
+#include "core/hle/result.h"
 
 union ResultCode;
 
+namespace Memory {
+class Memory;
+}
+
 namespace Kernel {
 
 class KernelCore;
 class Session;
-class ServerSession;
 class Thread;
 
-class ClientSession final : public Object {
+class ClientSession final : public WaitObject {
 public:
-    friend class ServerSession;
+    explicit ClientSession(KernelCore& kernel);
+    ~ClientSession() override;
+
+    friend class Session;
 
     std::string GetTypeName() const override {
         return "ClientSession";
@@ -34,11 +42,16 @@ public:
         return HANDLE_TYPE;
     }
 
-    ResultCode SendSyncRequest(SharedPtr<Thread> thread);
+    ResultCode SendSyncRequest(std::shared_ptr<Thread> thread, Memory::Memory& memory);
+
+    bool ShouldWait(const Thread* thread) const override;
+
+    void Acquire(Thread* thread) override;
 
 private:
-    explicit ClientSession(KernelCore& kernel);
-    ~ClientSession() override;
+    static ResultVal<std::shared_ptr<ClientSession>> Create(KernelCore& kernel,
+                                                            std::shared_ptr<Session> parent,
+                                                            std::string name = "Unknown");
 
     /// The parent session, which links to the server endpoint.
     std::shared_ptr<Session> parent;

src/core/hle/kernel/handle_table.cpp

@@ -44,7 +44,7 @@ ResultCode HandleTable::SetSize(s32 handle_table_size) {
     return RESULT_SUCCESS;
 }
 
-ResultVal<Handle> HandleTable::Create(SharedPtr<Object> obj) {
+ResultVal<Handle> HandleTable::Create(std::shared_ptr<Object> obj) {
     DEBUG_ASSERT(obj != nullptr);
 
     const u16 slot = next_free_slot;
@@ -70,7 +70,7 @@ ResultVal<Handle> HandleTable::Create(SharedPtr<Object> obj) {
 }
 
 ResultVal<Handle> HandleTable::Duplicate(Handle handle) {
-    SharedPtr<Object> object = GetGeneric(handle);
+    std::shared_ptr<Object> object = GetGeneric(handle);
     if (object == nullptr) {
         LOG_ERROR(Kernel, "Tried to duplicate invalid handle: {:08X}", handle);
         return ERR_INVALID_HANDLE;
@@ -99,11 +99,11 @@ bool HandleTable::IsValid(Handle handle) const {
     return slot < table_size && objects[slot] != nullptr && generations[slot] == generation;
 }
 
-SharedPtr<Object> HandleTable::GetGeneric(Handle handle) const {
+std::shared_ptr<Object> HandleTable::GetGeneric(Handle handle) const {
     if (handle == CurrentThread) {
-        return GetCurrentThread();
+        return SharedFrom(GetCurrentThread());
     } else if (handle == CurrentProcess) {
-        return Core::System::GetInstance().CurrentProcess();
+        return SharedFrom(Core::System::GetInstance().CurrentProcess());
     }
 
     if (!IsValid(handle)) {

src/core/hle/kernel/handle_table.h

@@ -6,6 +6,8 @@
 
 #include <array>
 #include <cstddef>
+#include <memory>
+
 #include "common/common_types.h"
 #include "core/hle/kernel/object.h"
 #include "core/hle/result.h"
@@ -68,7 +70,7 @@ public:
      * @return The created Handle or one of the following errors:
      *           - `ERR_HANDLE_TABLE_FULL`: the maximum number of handles has been exceeded.
      */
-    ResultVal<Handle> Create(SharedPtr<Object> obj);
+    ResultVal<Handle> Create(std::shared_ptr<Object> obj);
 
     /**
      * Returns a new handle that points to the same object as the passed in handle.
@@ -92,7 +94,7 @@ public:
      * Looks up a handle.
      * @return Pointer to the looked-up object, or `nullptr` if the handle is not valid.
      */
-    SharedPtr<Object> GetGeneric(Handle handle) const;
+    std::shared_ptr<Object> GetGeneric(Handle handle) const;
 
     /**
      * Looks up a handle while verifying its type.
@@ -100,7 +102,7 @@ public:
      *         type differs from the requested one.
      */
     template <class T>
-    SharedPtr<T> Get(Handle handle) const {
+    std::shared_ptr<T> Get(Handle handle) const {
         return DynamicObjectCast<T>(GetGeneric(handle));
     }
 
@@ -109,7 +111,7 @@ public:
 
 private:
     /// Stores the Object referenced by the handle or null if the slot is empty.
-    std::array<SharedPtr<Object>, MAX_COUNT> objects;
+    std::array<std::shared_ptr<Object>, MAX_COUNT> objects;
 
     /**
      * The value of `next_generation` when the handle was created, used to check for validity. For

src/core/hle/kernel/hle_ipc.cpp

@@ -32,23 +32,25 @@ SessionRequestHandler::SessionRequestHandler() = default;
 
 SessionRequestHandler::~SessionRequestHandler() = default;
 
-void SessionRequestHandler::ClientConnected(SharedPtr<ServerSession> server_session) {
+void SessionRequestHandler::ClientConnected(std::shared_ptr<ServerSession> server_session) {
     server_session->SetHleHandler(shared_from_this());
     connected_sessions.push_back(std::move(server_session));
 }
 
-void SessionRequestHandler::ClientDisconnected(const SharedPtr<ServerSession>& server_session) {
+void SessionRequestHandler::ClientDisconnected(
+    const std::shared_ptr<ServerSession>& server_session) {
     server_session->SetHleHandler(nullptr);
     boost::range::remove_erase(connected_sessions, server_session);
 }
 
-SharedPtr<WritableEvent> HLERequestContext::SleepClientThread(
+std::shared_ptr<WritableEvent> HLERequestContext::SleepClientThread(
     const std::string& reason, u64 timeout, WakeupCallback&& callback,
-    SharedPtr<WritableEvent> writable_event) {
+    std::shared_ptr<WritableEvent> writable_event) {
     // Put the client thread to sleep until the wait event is signaled or the timeout expires.
-    thread->SetWakeupCallback([context = *this, callback](
-                                  ThreadWakeupReason reason, SharedPtr<Thread> thread,
-                                  SharedPtr<WaitObject> object, std::size_t index) mutable -> bool {
+    thread->SetWakeupCallback([context = *this, callback](ThreadWakeupReason reason,
+                                                          std::shared_ptr<Thread> thread,
+                                                          std::shared_ptr<WaitObject> object,
+                                                          std::size_t index) mutable -> bool {
         ASSERT(thread->GetStatus() == ThreadStatus::WaitHLEEvent);
         callback(thread, context, reason);
         context.WriteToOutgoingCommandBuffer(*thread);
@@ -72,11 +74,13 @@ SharedPtr<WritableEvent> HLERequestContext::SleepClientThread(
         thread->WakeAfterDelay(timeout);
     }
 
+    is_thread_waiting = true;
+
     return writable_event;
 }
 
-HLERequestContext::HLERequestContext(SharedPtr<Kernel::ServerSession> server_session,
-                                     SharedPtr<Thread> thread)
+HLERequestContext::HLERequestContext(std::shared_ptr<Kernel::ServerSession> server_session,
+                                     std::shared_ptr<Thread> thread)
     : server_session(std::move(server_session)), thread(std::move(thread)) {
     cmd_buf[0] = 0;
 }
@@ -212,10 +216,11 @@ ResultCode HLERequestContext::PopulateFromIncomingCommandBuffer(const HandleTabl
 ResultCode HLERequestContext::WriteToOutgoingCommandBuffer(Thread& thread) {
     auto& owner_process = *thread.GetOwnerProcess();
     auto& handle_table = owner_process.GetHandleTable();
+    auto& memory = Core::System::GetInstance().Memory();
 
     std::array<u32, IPC::COMMAND_BUFFER_LENGTH> dst_cmdbuf;
-    Memory::ReadBlock(owner_process, thread.GetTLSAddress(), dst_cmdbuf.data(),
-                      dst_cmdbuf.size() * sizeof(u32));
+    memory.ReadBlock(owner_process, thread.GetTLSAddress(), dst_cmdbuf.data(),
+                     dst_cmdbuf.size() * sizeof(u32));
 
     // The header was already built in the internal command buffer. Attempt to parse it to verify
     // the integrity and then copy it over to the target command buffer.
@@ -271,8 +276,8 @@ ResultCode HLERequestContext::WriteToOutgoingCommandBuffer(Thread& thread) {
     }
 
     // Copy the translated command buffer back into the thread's command buffer area.
-    Memory::WriteBlock(owner_process, thread.GetTLSAddress(), dst_cmdbuf.data(),
-                       dst_cmdbuf.size() * sizeof(u32));
+    memory.WriteBlock(owner_process, thread.GetTLSAddress(), dst_cmdbuf.data(),
+                      dst_cmdbuf.size() * sizeof(u32));
 
     return RESULT_SUCCESS;
 }
@@ -280,15 +285,14 @@ ResultCode HLERequestContext::WriteToOutgoingCommandBuffer(Thread& thread) {
 std::vector<u8> HLERequestContext::ReadBuffer(int buffer_index) const {
     std::vector<u8> buffer;
     const bool is_buffer_a{BufferDescriptorA().size() && BufferDescriptorA()[buffer_index].Size()};
+    auto& memory = Core::System::GetInstance().Memory();
 
     if (is_buffer_a) {
         buffer.resize(BufferDescriptorA()[buffer_index].Size());
-        Memory::ReadBlock(BufferDescriptorA()[buffer_index].Address(), buffer.data(),
-                          buffer.size());
+        memory.ReadBlock(BufferDescriptorA()[buffer_index].Address(), buffer.data(), buffer.size());
     } else {
         buffer.resize(BufferDescriptorX()[buffer_index].Size());
-        Memory::ReadBlock(BufferDescriptorX()[buffer_index].Address(), buffer.data(),
-                          buffer.size());
+        memory.ReadBlock(BufferDescriptorX()[buffer_index].Address(), buffer.data(), buffer.size());
     }
 
     return buffer;
@@ -309,10 +313,11 @@ std::size_t HLERequestContext::WriteBuffer(const void* buffer, std::size_t size,
         size = buffer_size; // TODO(bunnei): This needs to be HW tested
     }
 
+    auto& memory = Core::System::GetInstance().Memory();
     if (is_buffer_b) {
-        Memory::WriteBlock(BufferDescriptorB()[buffer_index].Address(), buffer, size);
+        memory.WriteBlock(BufferDescriptorB()[buffer_index].Address(), buffer, size);
     } else {
-        Memory::WriteBlock(BufferDescriptorC()[buffer_index].Address(), buffer, size);
+        memory.WriteBlock(BufferDescriptorC()[buffer_index].Address(), buffer, size);
     }
 
     return size;

src/core/hle/kernel/hle_ipc.h

@@ -5,6 +5,7 @@
 #pragma once
 
 #include <array>
+#include <functional>
 #include <memory>
 #include <optional>
 #include <string>
@@ -60,20 +61,20 @@ public:
      * associated ServerSession alive for the duration of the connection.
      * @param server_session Owning pointer to the ServerSession associated with the connection.
      */
-    void ClientConnected(SharedPtr<ServerSession> server_session);
+    void ClientConnected(std::shared_ptr<ServerSession> server_session);
 
     /**
      * Signals that a client has just disconnected from this HLE handler and releases the
      * associated ServerSession.
      * @param server_session ServerSession associated with the connection.
      */
-    void ClientDisconnected(const SharedPtr<ServerSession>& server_session);
+    void ClientDisconnected(const std::shared_ptr<ServerSession>& server_session);
 
 protected:
     /// List of sessions that are connected to this handler.
     /// A ServerSession whose server endpoint is an HLE implementation is kept alive by this list
     /// for the duration of the connection.
-    std::vector<SharedPtr<ServerSession>> connected_sessions;
+    std::vector<std::shared_ptr<ServerSession>> connected_sessions;
 };
 
 /**
@@ -97,7 +98,8 @@ protected:
  */
 class HLERequestContext {
 public:
-    explicit HLERequestContext(SharedPtr<ServerSession> session, SharedPtr<Thread> thread);
+    explicit HLERequestContext(std::shared_ptr<ServerSession> session,
+                               std::shared_ptr<Thread> thread);
     ~HLERequestContext();
 
     /// Returns a pointer to the IPC command buffer for this request.
@@ -109,12 +111,12 @@ public:
      * Returns the session through which this request was made. This can be used as a map key to
      * access per-client data on services.
      */
-    const SharedPtr<Kernel::ServerSession>& Session() const {
+    const std::shared_ptr<Kernel::ServerSession>& Session() const {
         return server_session;
     }
 
-    using WakeupCallback = std::function<void(SharedPtr<Thread> thread, HLERequestContext& context,
-                                              ThreadWakeupReason reason)>;
+    using WakeupCallback = std::function<void(
+        std::shared_ptr<Thread> thread, HLERequestContext& context, ThreadWakeupReason reason)>;
 
     /**
      * Puts the specified guest thread to sleep until the returned event is signaled or until the
@@ -129,9 +131,9 @@ public:
      * created.
      * @returns Event that when signaled will resume the thread and call the callback function.
      */
-    SharedPtr<WritableEvent> SleepClientThread(const std::string& reason, u64 timeout,
-                                               WakeupCallback&& callback,
-                                               SharedPtr<WritableEvent> writable_event = nullptr);
+    std::shared_ptr<WritableEvent> SleepClientThread(
+        const std::string& reason, u64 timeout, WakeupCallback&& callback,
+        std::shared_ptr<WritableEvent> writable_event = nullptr);
 
     /// Populates this context with data from the requesting process/thread.
     ResultCode PopulateFromIncomingCommandBuffer(const HandleTable& handle_table,
@@ -209,20 +211,20 @@ public:
     std::size_t GetWriteBufferSize(int buffer_index = 0) const;
 
     template <typename T>
-    SharedPtr<T> GetCopyObject(std::size_t index) {
+    std::shared_ptr<T> GetCopyObject(std::size_t index) {
         return DynamicObjectCast<T>(copy_objects.at(index));
     }
 
     template <typename T>
-    SharedPtr<T> GetMoveObject(std::size_t index) {
+    std::shared_ptr<T> GetMoveObject(std::size_t index) {
         return DynamicObjectCast<T>(move_objects.at(index));
     }
 
-    void AddMoveObject(SharedPtr<Object> object) {
+    void AddMoveObject(std::shared_ptr<Object> object) {
         move_objects.emplace_back(std::move(object));
     }
 
-    void AddCopyObject(SharedPtr<Object> object) {
+    void AddCopyObject(std::shared_ptr<Object> object) {
         copy_objects.emplace_back(std::move(object));
     }
 
@@ -262,15 +264,27 @@ public:
 
     std::string Description() const;
 
+    Thread& GetThread() {
+        return *thread;
+    }
+
+    const Thread& GetThread() const {
+        return *thread;
+    }
+
+    bool IsThreadWaiting() const {
+        return is_thread_waiting;
+    }
+
 private:
     void ParseCommandBuffer(const HandleTable& handle_table, u32_le* src_cmdbuf, bool incoming);
 
     std::array<u32, IPC::COMMAND_BUFFER_LENGTH> cmd_buf;
-    SharedPtr<Kernel::ServerSession> server_session;
-    SharedPtr<Thread> thread;
+    std::shared_ptr<Kernel::ServerSession> server_session;
+    std::shared_ptr<Thread> thread;
     // TODO(yuriks): Check common usage of this and optimize size accordingly
-    boost::container::small_vector<SharedPtr<Object>, 8> move_objects;
-    boost::container::small_vector<SharedPtr<Object>, 8> copy_objects;
+    boost::container::small_vector<std::shared_ptr<Object>, 8> move_objects;
+    boost::container::small_vector<std::shared_ptr<Object>, 8> copy_objects;
     boost::container::small_vector<std::shared_ptr<SessionRequestHandler>, 8> domain_objects;
 
     std::optional<IPC::CommandHeader> command_header;
@@ -288,6 +302,7 @@ private:
     u32_le command{};
 
     std::vector<std::shared_ptr<SessionRequestHandler>> domain_request_handlers;
+    bool is_thread_waiting{};
 };
 
 } // namespace Kernel

src/core/hle/kernel/kernel.cpp

@@ -13,7 +13,6 @@
 #include "core/core.h"
 #include "core/core_timing.h"
 #include "core/core_timing_util.h"
-#include "core/hle/kernel/address_arbiter.h"
 #include "core/hle/kernel/client_port.h"
 #include "core/hle/kernel/errors.h"
 #include "core/hle/kernel/handle_table.h"
@@ -40,7 +39,7 @@ static void ThreadWakeupCallback(u64 thread_handle, [[maybe_unused]] s64 cycles_
     // Lock the global kernel mutex when we enter the kernel HLE.
     std::lock_guard lock{HLE::g_hle_lock};
 
-    SharedPtr<Thread> thread =
+    std::shared_ptr<Thread> thread =
         system.Kernel().RetrieveThreadFromWakeupCallbackHandleTable(proper_handle);
     if (thread == nullptr) {
         LOG_CRITICAL(Kernel, "Callback fired for invalid thread {:08X}", proper_handle);
@@ -53,7 +52,7 @@ static void ThreadWakeupCallback(u64 thread_handle, [[maybe_unused]] s64 cycles_
         thread->GetStatus() == ThreadStatus::WaitHLEEvent) {
         // Remove the thread from each of its waiting objects' waitlists
         for (const auto& object : thread->GetWaitObjects()) {
-            object->RemoveWaitingThread(thread.get());
+            object->RemoveWaitingThread(thread);
         }
         thread->ClearWaitObjects();
 
@@ -64,8 +63,11 @@ static void ThreadWakeupCallback(u64 thread_handle, [[maybe_unused]] s64 cycles_
     } else if (thread->GetStatus() == ThreadStatus::WaitMutex ||
                thread->GetStatus() == ThreadStatus::WaitCondVar) {
         thread->SetMutexWaitAddress(0);
-        thread->SetCondVarWaitAddress(0);
         thread->SetWaitHandle(0);
+        if (thread->GetStatus() == ThreadStatus::WaitCondVar) {
+            thread->GetOwnerProcess()->RemoveConditionVariableThread(thread);
+            thread->SetCondVarWaitAddress(0);
+        }
 
         auto* const lock_owner = thread->GetLockOwner();
         // Threads waking up by timeout from WaitProcessWideKey do not perform priority inheritance
@@ -76,9 +78,9 @@ static void ThreadWakeupCallback(u64 thread_handle, [[maybe_unused]] s64 cycles_
         }
     }
 
-    if (thread->GetArbiterWaitAddress() != 0) {
-        ASSERT(thread->GetStatus() == ThreadStatus::WaitArb);
-        thread->SetArbiterWaitAddress(0);
+    if (thread->GetStatus() == ThreadStatus::WaitArb) {
+        auto& address_arbiter = thread->GetOwnerProcess()->GetAddressArbiter();
+        address_arbiter.HandleWakeupThread(thread);
     }
 
     if (resume) {
@@ -136,12 +138,12 @@ struct KernelCore::Impl {
 
     void InitializeThreads() {
         thread_wakeup_event_type =
-            system.CoreTiming().RegisterEvent("ThreadWakeupCallback", ThreadWakeupCallback);
+            Core::Timing::CreateEvent("ThreadWakeupCallback", ThreadWakeupCallback);
     }
 
     void InitializePreemption() {
-        preemption_event = system.CoreTiming().RegisterEvent(
-            "PreemptionCallback", [this](u64 userdata, s64 cycles_late) {
+        preemption_event =
+            Core::Timing::CreateEvent("PreemptionCallback", [this](u64 userdata, s64 cycles_late) {
                 global_scheduler.PreemptThreads();
                 s64 time_interval = Core::Timing::msToCycles(std::chrono::milliseconds(10));
                 system.CoreTiming().ScheduleEvent(time_interval, preemption_event);
@@ -151,20 +153,31 @@ struct KernelCore::Impl {
         system.CoreTiming().ScheduleEvent(time_interval, preemption_event);
     }
 
+    void MakeCurrentProcess(Process* process) {
+        current_process = process;
+
+        if (process == nullptr) {
+            return;
+        }
+
+        system.Memory().SetCurrentPageTable(*process);
+    }
+
     std::atomic<u32> next_object_id{0};
     std::atomic<u64> next_kernel_process_id{Process::InitialKIPIDMin};
     std::atomic<u64> next_user_process_id{Process::ProcessIDMin};
     std::atomic<u64> next_thread_id{1};
 
     // Lists all processes that exist in the current session.
-    std::vector<SharedPtr<Process>> process_list;
+    std::vector<std::shared_ptr<Process>> process_list;
     Process* current_process = nullptr;
     Kernel::GlobalScheduler global_scheduler;
 
-    SharedPtr<ResourceLimit> system_resource_limit;
+    std::shared_ptr<ResourceLimit> system_resource_limit;
+
+    std::shared_ptr<Core::Timing::EventType> thread_wakeup_event_type;
+    std::shared_ptr<Core::Timing::EventType> preemption_event;
 
-    Core::Timing::EventType* thread_wakeup_event_type = nullptr;
-    Core::Timing::EventType* preemption_event = nullptr;
     // TODO(yuriks): This can be removed if Thread objects are explicitly pooled in the future,
     // allowing us to simply use a pool index or similar.
     Kernel::HandleTable thread_wakeup_callback_handle_table;
@@ -190,26 +203,21 @@ void KernelCore::Shutdown() {
     impl->Shutdown();
 }
 
-SharedPtr<ResourceLimit> KernelCore::GetSystemResourceLimit() const {
+std::shared_ptr<ResourceLimit> KernelCore::GetSystemResourceLimit() const {
     return impl->system_resource_limit;
 }
 
-SharedPtr<Thread> KernelCore::RetrieveThreadFromWakeupCallbackHandleTable(Handle handle) const {
+std::shared_ptr<Thread> KernelCore::RetrieveThreadFromWakeupCallbackHandleTable(
+    Handle handle) const {
     return impl->thread_wakeup_callback_handle_table.Get<Thread>(handle);
 }
 
-void KernelCore::AppendNewProcess(SharedPtr<Process> process) {
+void KernelCore::AppendNewProcess(std::shared_ptr<Process> process) {
     impl->process_list.push_back(std::move(process));
 }
 
 void KernelCore::MakeCurrentProcess(Process* process) {
-    impl->current_process = process;
-
-    if (process == nullptr) {
-        return;
-    }
-
-    Memory::SetCurrentPageTable(*process);
+    impl->MakeCurrentProcess(process);
 }
 
 Process* KernelCore::CurrentProcess() {
@@ -220,7 +228,7 @@ const Process* KernelCore::CurrentProcess() const {
     return impl->current_process;
 }
 
-const std::vector<SharedPtr<Process>>& KernelCore::GetProcessList() const {
+const std::vector<std::shared_ptr<Process>>& KernelCore::GetProcessList() const {
     return impl->process_list;
 }
 
@@ -232,7 +240,7 @@ const Kernel::GlobalScheduler& KernelCore::GlobalScheduler() const {
     return impl->global_scheduler;
 }
 
-void KernelCore::AddNamedPort(std::string name, SharedPtr<ClientPort> port) {
+void KernelCore::AddNamedPort(std::string name, std::shared_ptr<ClientPort> port) {
     impl->named_ports.emplace(std::move(name), std::move(port));
 }
 
@@ -265,7 +273,7 @@ u64 KernelCore::CreateNewUserProcessID() {
     return impl->next_user_process_id++;
 }
 
-Core::Timing::EventType* KernelCore::ThreadWakeupCallbackEventType() const {
+const std::shared_ptr<Core::Timing::EventType>& KernelCore::ThreadWakeupCallbackEventType() const {
     return impl->thread_wakeup_event_type;
 }
 

src/core/hle/kernel/kernel.h

@@ -4,8 +4,10 @@
 
 #pragma once
 
+#include <memory>
 #include <string>
 #include <unordered_map>
+#include <vector>
 #include "core/hle/kernel/object.h"
 
 namespace Core {
@@ -30,7 +32,7 @@ class Thread;
 /// Represents a single instance of the kernel.
 class KernelCore {
 private:
-    using NamedPortTable = std::unordered_map<std::string, SharedPtr<ClientPort>>;
+    using NamedPortTable = std::unordered_map<std::string, std::shared_ptr<ClientPort>>;
 
 public:
     /// Constructs an instance of the kernel using the given System
@@ -56,13 +58,13 @@ public:
     void Shutdown();
 
     /// Retrieves a shared pointer to the system resource limit instance.
-    SharedPtr<ResourceLimit> GetSystemResourceLimit() const;
+    std::shared_ptr<ResourceLimit> GetSystemResourceLimit() const;
 
     /// Retrieves a shared pointer to a Thread instance within the thread wakeup handle table.
-    SharedPtr<Thread> RetrieveThreadFromWakeupCallbackHandleTable(Handle handle) const;
+    std::shared_ptr<Thread> RetrieveThreadFromWakeupCallbackHandleTable(Handle handle) const;
 
     /// Adds the given shared pointer to an internal list of active processes.
-    void AppendNewProcess(SharedPtr<Process> process);
+    void AppendNewProcess(std::shared_ptr<Process> process);
 
     /// Makes the given process the new current process.
     void MakeCurrentProcess(Process* process);
@@ -74,7 +76,7 @@ public:
     const Process* CurrentProcess() const;
 
     /// Retrieves the list of processes.
-    const std::vector<SharedPtr<Process>>& GetProcessList() const;
+    const std::vector<std::shared_ptr<Process>>& GetProcessList() const;
 
     /// Gets the sole instance of the global scheduler
     Kernel::GlobalScheduler& GlobalScheduler();
@@ -83,7 +85,7 @@ public:
     const Kernel::GlobalScheduler& GlobalScheduler() const;
 
     /// Adds a port to the named port table
-    void AddNamedPort(std::string name, SharedPtr<ClientPort> port);
+    void AddNamedPort(std::string name, std::shared_ptr<ClientPort> port);
 
     /// Finds a port within the named port table with the given name.
     NamedPortTable::iterator FindNamedPort(const std::string& name);
@@ -112,7 +114,7 @@ private:
     u64 CreateNewThreadID();
 
     /// Retrieves the event type used for thread wakeup callbacks.
-    Core::Timing::EventType* ThreadWakeupCallbackEventType() const;
+    const std::shared_ptr<Core::Timing::EventType>& ThreadWakeupCallbackEventType() const;
 
     /// Provides a reference to the thread wakeup callback handle table.
     Kernel::HandleTable& ThreadWakeupCallbackHandleTable();

src/core/hle/kernel/mutex.cpp

@@ -2,6 +2,7 @@
 // Licensed under GPLv2 or any later version
 // Refer to the license.txt file included.
 
+#include <memory>
 #include <utility>
 #include <vector>
 
@@ -22,10 +23,10 @@ namespace Kernel {
 
 /// Returns the number of threads that are waiting for a mutex, and the highest priority one among
 /// those.
-static std::pair<SharedPtr<Thread>, u32> GetHighestPriorityMutexWaitingThread(
-    const SharedPtr<Thread>& current_thread, VAddr mutex_addr) {
+static std::pair<std::shared_ptr<Thread>, u32> GetHighestPriorityMutexWaitingThread(
+    const std::shared_ptr<Thread>& current_thread, VAddr mutex_addr) {
 
-    SharedPtr<Thread> highest_priority_thread;
+    std::shared_ptr<Thread> highest_priority_thread;
     u32 num_waiters = 0;
 
     for (const auto& thread : current_thread->GetMutexWaitingThreads()) {
@@ -45,14 +46,14 @@ static std::pair<SharedPtr<Thread>, u32> GetHighestPriorityMutexWaitingThread(
 }
 
 /// Update the mutex owner field of all threads waiting on the mutex to point to the new owner.
-static void TransferMutexOwnership(VAddr mutex_addr, SharedPtr<Thread> current_thread,
-                                   SharedPtr<Thread> new_owner) {
+static void TransferMutexOwnership(VAddr mutex_addr, std::shared_ptr<Thread> current_thread,
+                                   std::shared_ptr<Thread> new_owner) {
     const auto threads = current_thread->GetMutexWaitingThreads();
     for (const auto& thread : threads) {
         if (thread->GetMutexWaitAddress() != mutex_addr)
             continue;
 
-        ASSERT(thread->GetLockOwner() == current_thread);
+        ASSERT(thread->GetLockOwner() == current_thread.get());
         current_thread->RemoveMutexWaiter(thread);
         if (new_owner != thread)
             new_owner->AddMutexWaiter(thread);
@@ -70,15 +71,16 @@ ResultCode Mutex::TryAcquire(VAddr address, Handle holding_thread_handle,
     }
 
     const auto& handle_table = system.Kernel().CurrentProcess()->GetHandleTable();
-    Thread* const current_thread = system.CurrentScheduler().GetCurrentThread();
-    SharedPtr<Thread> holding_thread = handle_table.Get<Thread>(holding_thread_handle);
-    SharedPtr<Thread> requesting_thread = handle_table.Get<Thread>(requesting_thread_handle);
+    std::shared_ptr<Thread> current_thread =
+        SharedFrom(system.CurrentScheduler().GetCurrentThread());
+    std::shared_ptr<Thread> holding_thread = handle_table.Get<Thread>(holding_thread_handle);
+    std::shared_ptr<Thread> requesting_thread = handle_table.Get<Thread>(requesting_thread_handle);
 
     // TODO(Subv): It is currently unknown if it is possible to lock a mutex in behalf of another
     // thread.
     ASSERT(requesting_thread == current_thread);
 
-    const u32 addr_value = Memory::Read32(address);
+    const u32 addr_value = system.Memory().Read32(address);
 
     // If the mutex isn't being held, just return success.
     if (addr_value != (holding_thread_handle | Mutex::MutexHasWaitersFlag)) {
@@ -110,12 +112,13 @@ ResultCode Mutex::Release(VAddr address) {
         return ERR_INVALID_ADDRESS;
     }
 
-    auto* const current_thread = system.CurrentScheduler().GetCurrentThread();
+    std::shared_ptr<Thread> current_thread =
+        SharedFrom(system.CurrentScheduler().GetCurrentThread());
     auto [thread, num_waiters] = GetHighestPriorityMutexWaitingThread(current_thread, address);
 
     // There are no more threads waiting for the mutex, release it completely.
     if (thread == nullptr) {
-        Memory::Write32(address, 0);
+        system.Memory().Write32(address, 0);
         return RESULT_SUCCESS;
     }
 
@@ -130,7 +133,7 @@ ResultCode Mutex::Release(VAddr address) {
     }
 
     // Grant the mutex to the next waiting thread and resume it.
-    Memory::Write32(address, mutex_value);
+    system.Memory().Write32(address, mutex_value);
 
     ASSERT(thread->GetStatus() == ThreadStatus::WaitMutex);
     thread->ResumeFromWait();

src/core/hle/kernel/object.cpp

@@ -27,6 +27,7 @@ bool Object::IsWaitable() const {
     case HandleType::ResourceLimit:
     case HandleType::ClientPort:
     case HandleType::ClientSession:
+    case HandleType::Session:
         return false;
     }
 

src/core/hle/kernel/object.h

@@ -5,10 +5,9 @@
 #pragma once
 
 #include <atomic>
+#include <memory>
 #include <string>
 
-#include <boost/smart_ptr/intrusive_ptr.hpp>
-
 #include "common/common_types.h"
 
 namespace Kernel {
@@ -30,9 +29,10 @@ enum class HandleType : u32 {
     ServerPort,
     ClientSession,
     ServerSession,
+    Session,
 };
 
-class Object : NonCopyable {
+class Object : NonCopyable, public std::enable_shared_from_this<Object> {
 public:
     explicit Object(KernelCore& kernel);
     virtual ~Object();
@@ -61,35 +61,24 @@ protected:
     KernelCore& kernel;
 
 private:
-    friend void intrusive_ptr_add_ref(Object*);
-    friend void intrusive_ptr_release(Object*);
-
-    std::atomic<u32> ref_count{0};
     std::atomic<u32> object_id{0};
 };
 
-// Special functions used by boost::instrusive_ptr to do automatic ref-counting
-inline void intrusive_ptr_add_ref(Object* object) {
-    object->ref_count.fetch_add(1, std::memory_order_relaxed);
-}
-
-inline void intrusive_ptr_release(Object* object) {
-    if (object->ref_count.fetch_sub(1, std::memory_order_acq_rel) == 1) {
-        delete object;
-    }
-}
-
 template <typename T>
-using SharedPtr = boost::intrusive_ptr<T>;
+std::shared_ptr<T> SharedFrom(T* raw) {
+    if (raw == nullptr)
+        return nullptr;
+    return std::static_pointer_cast<T>(raw->shared_from_this());
+}
 
 /**
  * Attempts to downcast the given Object pointer to a pointer to T.
  * @return Derived pointer to the object, or `nullptr` if `object` isn't of type T.
  */
 template <typename T>
-inline SharedPtr<T> DynamicObjectCast(SharedPtr<Object> object) {
+inline std::shared_ptr<T> DynamicObjectCast(std::shared_ptr<Object> object) {
     if (object != nullptr && object->GetHandleType() == T::HANDLE_TYPE) {
-        return boost::static_pointer_cast<T>(object);
+        return std::static_pointer_cast<T>(object);
     }
     return nullptr;
 }

src/core/hle/kernel/process.cpp

@@ -38,7 +38,7 @@ void SetupMainThread(Process& owner_process, KernelCore& kernel, u32 priority) {
     auto thread_res = Thread::Create(kernel, "main", entry_point, priority, 0,
                                      owner_process.GetIdealCore(), stack_top, owner_process);
 
-    SharedPtr<Thread> thread = std::move(thread_res).Unwrap();
+    std::shared_ptr<Thread> thread = std::move(thread_res).Unwrap();
 
     // Register 1 must be a handle to the main thread
     const Handle thread_handle = owner_process.GetHandleTable().Create(thread).Unwrap();
@@ -100,10 +100,10 @@ private:
     std::bitset<num_slot_entries> is_slot_used;
 };
 
-SharedPtr<Process> Process::Create(Core::System& system, std::string name, ProcessType type) {
+std::shared_ptr<Process> Process::Create(Core::System& system, std::string name, ProcessType type) {
     auto& kernel = system.Kernel();
 
-    SharedPtr<Process> process(new Process(system));
+    std::shared_ptr<Process> process = std::make_shared<Process>(system);
     process->name = std::move(name);
     process->resource_limit = kernel.GetSystemResourceLimit();
     process->status = ProcessStatus::Created;
@@ -121,7 +121,7 @@ SharedPtr<Process> Process::Create(Core::System& system, std::string name, Proce
     return process;
 }
 
-SharedPtr<ResourceLimit> Process::GetResourceLimit() const {
+std::shared_ptr<ResourceLimit> Process::GetResourceLimit() const {
     return resource_limit;
 }
 
@@ -142,6 +142,49 @@ u64 Process::GetTotalPhysicalMemoryUsedWithoutSystemResource() const {
     return GetTotalPhysicalMemoryUsed() - GetSystemResourceUsage();
 }
 
+void Process::InsertConditionVariableThread(std::shared_ptr<Thread> thread) {
+    VAddr cond_var_addr = thread->GetCondVarWaitAddress();
+    std::list<std::shared_ptr<Thread>>& thread_list = cond_var_threads[cond_var_addr];
+    auto it = thread_list.begin();
+    while (it != thread_list.end()) {
+        const std::shared_ptr<Thread> current_thread = *it;
+        if (current_thread->GetPriority() > thread->GetPriority()) {
+            thread_list.insert(it, thread);
+            return;
+        }
+        ++it;
+    }
+    thread_list.push_back(thread);
+}
+
+void Process::RemoveConditionVariableThread(std::shared_ptr<Thread> thread) {
+    VAddr cond_var_addr = thread->GetCondVarWaitAddress();
+    std::list<std::shared_ptr<Thread>>& thread_list = cond_var_threads[cond_var_addr];
+    auto it = thread_list.begin();
+    while (it != thread_list.end()) {
+        const std::shared_ptr<Thread> current_thread = *it;
+        if (current_thread.get() == thread.get()) {
+            thread_list.erase(it);
+            return;
+        }
+        ++it;
+    }
+    UNREACHABLE();
+}
+
+std::vector<std::shared_ptr<Thread>> Process::GetConditionVariableThreads(
+    const VAddr cond_var_addr) {
+    std::vector<std::shared_ptr<Thread>> result{};
+    std::list<std::shared_ptr<Thread>>& thread_list = cond_var_threads[cond_var_addr];
+    auto it = thread_list.begin();
+    while (it != thread_list.end()) {
+        std::shared_ptr<Thread> current_thread = *it;
+        result.push_back(current_thread);
+        ++it;
+    }
+    return result;
+}
+
 void Process::RegisterThread(const Thread* thread) {
     thread_list.push_back(thread);
 }
@@ -197,12 +240,12 @@ void Process::Run(s32 main_thread_priority, u64 stack_size) {
 void Process::PrepareForTermination() {
     ChangeStatus(ProcessStatus::Exiting);
 
-    const auto stop_threads = [this](const std::vector<SharedPtr<Thread>>& thread_list) {
+    const auto stop_threads = [this](const std::vector<std::shared_ptr<Thread>>& thread_list) {
         for (auto& thread : thread_list) {
             if (thread->GetOwnerProcess() != this)
                 continue;
 
-            if (thread == system.CurrentScheduler().GetCurrentThread())
+            if (thread.get() == system.CurrentScheduler().GetCurrentThread())
                 continue;
 
             // TODO(Subv): When are the other running/ready threads terminated?

src/core/hle/kernel/process.h

@@ -8,6 +8,7 @@
 #include <cstddef>
 #include <list>
 #include <string>
+#include <unordered_map>
 #include <vector>
 #include "common/common_types.h"
 #include "core/hle/kernel/address_arbiter.h"
@@ -61,6 +62,9 @@ enum class ProcessStatus {
 
 class Process final : public WaitObject {
 public:
+    explicit Process(Core::System& system);
+    ~Process() override;
+
     enum : u64 {
         /// Lowest allowed process ID for a kernel initial process.
         InitialKIPIDMin = 1,
@@ -81,7 +85,8 @@ public:
 
     static constexpr std::size_t RANDOM_ENTROPY_SIZE = 4;
 
-    static SharedPtr<Process> Create(Core::System& system, std::string name, ProcessType type);
+    static std::shared_ptr<Process> Create(Core::System& system, std::string name,
+                                           ProcessType type);
 
     std::string GetTypeName() const override {
         return "Process";
@@ -156,7 +161,7 @@ public:
     }
 
     /// Gets the resource limit descriptor for this process
-    SharedPtr<ResourceLimit> GetResourceLimit() const;
+    std::shared_ptr<ResourceLimit> GetResourceLimit() const;
 
     /// Gets the ideal CPU core ID for this process
     u8 GetIdealCore() const {
@@ -232,6 +237,15 @@ public:
         return thread_list;
     }
 
+    /// Insert a thread into the condition variable wait container
+    void InsertConditionVariableThread(std::shared_ptr<Thread> thread);
+
+    /// Remove a thread from the condition variable wait container
+    void RemoveConditionVariableThread(std::shared_ptr<Thread> thread);
+
+    /// Obtain all condition variable threads waiting for some address
+    std::vector<std::shared_ptr<Thread>> GetConditionVariableThreads(VAddr cond_var_addr);
+
     /// Registers a thread as being created under this process,
     /// adding it to this process' thread list.
     void RegisterThread(const Thread* thread);
@@ -287,9 +301,6 @@ public:
     void FreeTLSRegion(VAddr tls_address);
 
 private:
-    explicit Process(Core::System& system);
-    ~Process() override;
-
     /// Checks if the specified thread should wait until this process is available.
     bool ShouldWait(const Thread* thread) const override;
 
@@ -328,7 +339,7 @@ private:
     u32 system_resource_size = 0;
 
     /// Resource limit descriptor for this process
-    SharedPtr<ResourceLimit> resource_limit;
+    std::shared_ptr<ResourceLimit> resource_limit;
 
     /// The ideal CPU core for this process, threads are scheduled on this core by default.
     u8 ideal_core = 0;
@@ -375,6 +386,9 @@ private:
     /// List of threads that are running with this process as their owner.
     std::list<const Thread*> thread_list;
 
+    /// List of threads waiting for a condition variable
+    std::unordered_map<VAddr, std::list<std::shared_ptr<Thread>>> cond_var_threads;
+
     /// System context
     Core::System& system;
 

src/core/hle/kernel/resource_limit.cpp

@@ -16,8 +16,8 @@ constexpr std::size_t ResourceTypeToIndex(ResourceType type) {
 ResourceLimit::ResourceLimit(KernelCore& kernel) : Object{kernel} {}
 ResourceLimit::~ResourceLimit() = default;
 
-SharedPtr<ResourceLimit> ResourceLimit::Create(KernelCore& kernel) {
-    return new ResourceLimit(kernel);
+std::shared_ptr<ResourceLimit> ResourceLimit::Create(KernelCore& kernel) {
+    return std::make_shared<ResourceLimit>(kernel);
 }
 
 s64 ResourceLimit::GetCurrentResourceValue(ResourceType resource) const {

src/core/hle/kernel/resource_limit.h

@@ -5,6 +5,8 @@
 #pragma once
 
 #include <array>
+#include <memory>
+
 #include "common/common_types.h"
 #include "core/hle/kernel/object.h"
 
@@ -31,8 +33,11 @@ constexpr bool IsValidResourceType(ResourceType type) {
 
 class ResourceLimit final : public Object {
 public:
+    explicit ResourceLimit(KernelCore& kernel);
+    ~ResourceLimit() override;
+
     /// Creates a resource limit object.
-    static SharedPtr<ResourceLimit> Create(KernelCore& kernel);
+    static std::shared_ptr<ResourceLimit> Create(KernelCore& kernel);
 
     std::string GetTypeName() const override {
         return "ResourceLimit";
@@ -76,9 +81,6 @@ public:
     ResultCode SetLimitValue(ResourceType resource, s64 value);
 
 private:
-    explicit ResourceLimit(KernelCore& kernel);
-    ~ResourceLimit() override;
-
     // TODO(Subv): Increment resource limit current values in their respective Kernel::T::Create
     // functions
     //

src/core/hle/kernel/scheduler.cpp

@@ -26,27 +26,27 @@ GlobalScheduler::GlobalScheduler(Core::System& system) : system{system} {}
 
 GlobalScheduler::~GlobalScheduler() = default;
 
-void GlobalScheduler::AddThread(SharedPtr<Thread> thread) {
+void GlobalScheduler::AddThread(std::shared_ptr<Thread> thread) {
     thread_list.push_back(std::move(thread));
 }
 
-void GlobalScheduler::RemoveThread(const Thread* thread) {
+void GlobalScheduler::RemoveThread(std::shared_ptr<Thread> thread) {
     thread_list.erase(std::remove(thread_list.begin(), thread_list.end(), thread),
                       thread_list.end());
 }
 
-void GlobalScheduler::UnloadThread(s32 core) {
+void GlobalScheduler::UnloadThread(std::size_t core) {
     Scheduler& sched = system.Scheduler(core);
     sched.UnloadThread();
 }
 
-void GlobalScheduler::SelectThread(u32 core) {
+void GlobalScheduler::SelectThread(std::size_t core) {
     const auto update_thread = [](Thread* thread, Scheduler& sched) {
-        if (thread != sched.selected_thread) {
+        if (thread != sched.selected_thread.get()) {
             if (thread == nullptr) {
                 ++sched.idle_selection_count;
             }
-            sched.selected_thread = thread;
+            sched.selected_thread = SharedFrom(thread);
         }
         sched.is_context_switch_pending = sched.selected_thread != sched.current_thread;
         std::atomic_thread_fence(std::memory_order_seq_cst);
@@ -77,9 +77,9 @@ void GlobalScheduler::SelectThread(u32 core) {
     // if we got a suggested thread, select it, else do a second pass.
     if (winner && winner->GetPriority() > 2) {
         if (winner->IsRunning()) {
-            UnloadThread(winner->GetProcessorID());
+            UnloadThread(static_cast<u32>(winner->GetProcessorID()));
         }
-        TransferToCore(winner->GetPriority(), core, winner);
+        TransferToCore(winner->GetPriority(), static_cast<s32>(core), winner);
         update_thread(winner, sched);
         return;
     }
@@ -91,9 +91,9 @@ void GlobalScheduler::SelectThread(u32 core) {
             Thread* thread_on_core = scheduled_queue[src_core].front();
             Thread* to_change = *it;
             if (thread_on_core->IsRunning() || to_change->IsRunning()) {
-                UnloadThread(src_core);
+                UnloadThread(static_cast<u32>(src_core));
             }
-            TransferToCore(thread_on_core->GetPriority(), core, thread_on_core);
+            TransferToCore(thread_on_core->GetPriority(), static_cast<s32>(core), thread_on_core);
             current_thread = thread_on_core;
             break;
         }
@@ -154,9 +154,9 @@ bool GlobalScheduler::YieldThreadAndBalanceLoad(Thread* yielding_thread) {
     if (winner != nullptr) {
         if (winner != yielding_thread) {
             if (winner->IsRunning()) {
-                UnloadThread(winner->GetProcessorID());
+                UnloadThread(static_cast<u32>(winner->GetProcessorID()));
             }
-            TransferToCore(winner->GetPriority(), core_id, winner);
+            TransferToCore(winner->GetPriority(), s32(core_id), winner);
         }
     } else {
         winner = next_thread;
@@ -196,9 +196,9 @@ bool GlobalScheduler::YieldThreadAndWaitForLoadBalancing(Thread* yielding_thread
         if (winner != nullptr) {
             if (winner != yielding_thread) {
                 if (winner->IsRunning()) {
-                    UnloadThread(winner->GetProcessorID());
+                    UnloadThread(static_cast<u32>(winner->GetProcessorID()));
                 }
-                TransferToCore(winner->GetPriority(), core_id, winner);
+                TransferToCore(winner->GetPriority(), static_cast<s32>(core_id), winner);
             }
         } else {
             winner = yielding_thread;
@@ -248,7 +248,7 @@ void GlobalScheduler::PreemptThreads() {
 
         if (winner != nullptr) {
             if (winner->IsRunning()) {
-                UnloadThread(winner->GetProcessorID());
+                UnloadThread(static_cast<u32>(winner->GetProcessorID()));
             }
             TransferToCore(winner->GetPriority(), s32(core_id), winner);
             current_thread =
@@ -281,7 +281,7 @@ void GlobalScheduler::PreemptThreads() {
 
             if (winner != nullptr) {
                 if (winner->IsRunning()) {
-                    UnloadThread(winner->GetProcessorID());
+                    UnloadThread(static_cast<u32>(winner->GetProcessorID()));
                 }
                 TransferToCore(winner->GetPriority(), s32(core_id), winner);
                 current_thread = winner;
@@ -292,30 +292,30 @@ void GlobalScheduler::PreemptThreads() {
     }
 }
 
-void GlobalScheduler::Suggest(u32 priority, u32 core, Thread* thread) {
+void GlobalScheduler::Suggest(u32 priority, std::size_t core, Thread* thread) {
     suggested_queue[core].add(thread, priority);
 }
 
-void GlobalScheduler::Unsuggest(u32 priority, u32 core, Thread* thread) {
+void GlobalScheduler::Unsuggest(u32 priority, std::size_t core, Thread* thread) {
     suggested_queue[core].remove(thread, priority);
 }
 
-void GlobalScheduler::Schedule(u32 priority, u32 core, Thread* thread) {
+void GlobalScheduler::Schedule(u32 priority, std::size_t core, Thread* thread) {
     ASSERT_MSG(thread->GetProcessorID() == s32(core), "Thread must be assigned to this core.");
     scheduled_queue[core].add(thread, priority);
 }
 
-void GlobalScheduler::SchedulePrepend(u32 priority, u32 core, Thread* thread) {
+void GlobalScheduler::SchedulePrepend(u32 priority, std::size_t core, Thread* thread) {
     ASSERT_MSG(thread->GetProcessorID() == s32(core), "Thread must be assigned to this core.");
     scheduled_queue[core].add(thread, priority, false);
 }
 
-void GlobalScheduler::Reschedule(u32 priority, u32 core, Thread* thread) {
+void GlobalScheduler::Reschedule(u32 priority, std::size_t core, Thread* thread) {
     scheduled_queue[core].remove(thread, priority);
     scheduled_queue[core].add(thread, priority);
 }
 
-void GlobalScheduler::Unschedule(u32 priority, u32 core, Thread* thread) {
+void GlobalScheduler::Unschedule(u32 priority, std::size_t core, Thread* thread) {
     scheduled_queue[core].remove(thread, priority);
 }
 
@@ -327,14 +327,14 @@ void GlobalScheduler::TransferToCore(u32 priority, s32 destination_core, Thread*
     }
     thread->SetProcessorID(destination_core);
     if (source_core >= 0) {
-        Unschedule(priority, source_core, thread);
+        Unschedule(priority, static_cast<u32>(source_core), thread);
     }
     if (destination_core >= 0) {
-        Unsuggest(priority, destination_core, thread);
-        Schedule(priority, destination_core, thread);
+        Unsuggest(priority, static_cast<u32>(destination_core), thread);
+        Schedule(priority, static_cast<u32>(destination_core), thread);
     }
     if (source_core >= 0) {
-        Suggest(priority, source_core, thread);
+        Suggest(priority, static_cast<u32>(source_core), thread);
     }
 }
 
@@ -357,7 +357,7 @@ void GlobalScheduler::Shutdown() {
     thread_list.clear();
 }
 
-Scheduler::Scheduler(Core::System& system, Core::ARM_Interface& cpu_core, u32 core_id)
+Scheduler::Scheduler(Core::System& system, Core::ARM_Interface& cpu_core, std::size_t core_id)
     : system(system), cpu_core(cpu_core), core_id(core_id) {}
 
 Scheduler::~Scheduler() = default;
@@ -446,7 +446,7 @@ void Scheduler::SwitchContext() {
 
         // Cancel any outstanding wakeup events for this thread
         new_thread->CancelWakeupTimer();
-        current_thread = new_thread;
+        current_thread = SharedFrom(new_thread);
         new_thread->SetStatus(ThreadStatus::Running);
         new_thread->SetIsRunning(true);
 
@@ -458,7 +458,6 @@ void Scheduler::SwitchContext() {
         cpu_core.LoadContext(new_thread->GetContext());
         cpu_core.SetTlsAddress(new_thread->GetTLSAddress());
         cpu_core.SetTPIDR_EL0(new_thread->GetTPIDR_EL0());
-        cpu_core.ClearExclusiveState();
     } else {
         current_thread = nullptr;
         // Note: We do not reset the current process and current page table when idling because

src/core/hle/kernel/scheduler.h

@@ -4,11 +4,12 @@
 
 #pragma once
 
-#include <mutex>
+#include <atomic>
+#include <memory>
 #include <vector>
+
 #include "common/common_types.h"
 #include "common/multi_level_queue.h"
-#include "core/hle/kernel/object.h"
 #include "core/hle/kernel/thread.h"
 
 namespace Core {
@@ -28,13 +29,13 @@ public:
     ~GlobalScheduler();
 
     /// Adds a new thread to the scheduler
-    void AddThread(SharedPtr<Thread> thread);
+    void AddThread(std::shared_ptr<Thread> thread);
 
     /// Removes a thread from the scheduler
-    void RemoveThread(const Thread* thread);
+    void RemoveThread(std::shared_ptr<Thread> thread);
 
     /// Returns a list of all threads managed by the scheduler
-    const std::vector<SharedPtr<Thread>>& GetThreadList() const {
+    const std::vector<std::shared_ptr<Thread>>& GetThreadList() const {
         return thread_list;
     }
 
@@ -42,41 +43,34 @@ public:
      * Add a thread to the suggested queue of a cpu core. Suggested threads may be
      * picked if no thread is scheduled to run on the core.
      */
-    void Suggest(u32 priority, u32 core, Thread* thread);
+    void Suggest(u32 priority, std::size_t core, Thread* thread);
 
     /**
      * Remove a thread to the suggested queue of a cpu core. Suggested threads may be
      * picked if no thread is scheduled to run on the core.
      */
-    void Unsuggest(u32 priority, u32 core, Thread* thread);
+    void Unsuggest(u32 priority, std::size_t core, Thread* thread);
 
     /**
      * Add a thread to the scheduling queue of a cpu core. The thread is added at the
      * back the queue in its priority level.
      */
-    void Schedule(u32 priority, u32 core, Thread* thread);
+    void Schedule(u32 priority, std::size_t core, Thread* thread);
 
     /**
      * Add a thread to the scheduling queue of a cpu core. The thread is added at the
      * front the queue in its priority level.
      */
-    void SchedulePrepend(u32 priority, u32 core, Thread* thread);
+    void SchedulePrepend(u32 priority, std::size_t core, Thread* thread);
 
     /// Reschedule an already scheduled thread based on a new priority
-    void Reschedule(u32 priority, u32 core, Thread* thread);
+    void Reschedule(u32 priority, std::size_t core, Thread* thread);
 
     /// Unschedules a thread.
-    void Unschedule(u32 priority, u32 core, Thread* thread);
-
-    /**
-     * Transfers a thread into an specific core. If the destination_core is -1
-     * it will be unscheduled from its source code and added into its suggested
-     * queue.
-     */
-    void TransferToCore(u32 priority, s32 destination_core, Thread* thread);
+    void Unschedule(u32 priority, std::size_t core, Thread* thread);
 
     /// Selects a core and forces it to unload its current thread's context
-    void UnloadThread(s32 core);
+    void UnloadThread(std::size_t core);
 
     /**
      * Takes care of selecting the new scheduled thread in three steps:
@@ -90,9 +84,9 @@ public:
      * 3. Third is no suggested thread is found, we do a second pass and pick a running
      *    thread in another core and swap it with its current thread.
      */
-    void SelectThread(u32 core);
+    void SelectThread(std::size_t core);
 
-    bool HaveReadyThreads(u32 core_id) const {
+    bool HaveReadyThreads(std::size_t core_id) const {
         return !scheduled_queue[core_id].empty();
     }
 
@@ -145,6 +139,13 @@ public:
     void Shutdown();
 
 private:
+    /**
+     * Transfers a thread into an specific core. If the destination_core is -1
+     * it will be unscheduled from its source code and added into its suggested
+     * queue.
+     */
+    void TransferToCore(u32 priority, s32 destination_core, Thread* thread);
+
     bool AskForReselectionOrMarkRedundant(Thread* current_thread, const Thread* winner);
 
     static constexpr u32 min_regular_priority = 2;
@@ -157,13 +158,13 @@ private:
     std::array<u32, NUM_CPU_CORES> preemption_priorities = {59, 59, 59, 62};
 
     /// Lists all thread ids that aren't deleted/etc.
-    std::vector<SharedPtr<Thread>> thread_list;
+    std::vector<std::shared_ptr<Thread>> thread_list;
     Core::System& system;
 };
 
 class Scheduler final {
 public:
-    explicit Scheduler(Core::System& system, Core::ARM_Interface& cpu_core, u32 core_id);
+    explicit Scheduler(Core::System& system, Core::ARM_Interface& cpu_core, std::size_t core_id);
     ~Scheduler();
 
     /// Returns whether there are any threads that are ready to run.
@@ -213,14 +214,14 @@ private:
      */
     void UpdateLastContextSwitchTime(Thread* thread, Process* process);
 
-    SharedPtr<Thread> current_thread = nullptr;
-    SharedPtr<Thread> selected_thread = nullptr;
+    std::shared_ptr<Thread> current_thread = nullptr;
+    std::shared_ptr<Thread> selected_thread = nullptr;
 
     Core::System& system;
     Core::ARM_Interface& cpu_core;
     u64 last_context_switch_time = 0;
     u64 idle_selection_count = 0;
-    const u32 core_id;
+    const std::size_t core_id;
 
     bool is_context_switch_pending = false;
 };

src/core/hle/kernel/server_port.cpp

@@ -16,7 +16,7 @@ namespace Kernel {
 ServerPort::ServerPort(KernelCore& kernel) : WaitObject{kernel} {}
 ServerPort::~ServerPort() = default;
 
-ResultVal<SharedPtr<ServerSession>> ServerPort::Accept() {
+ResultVal<std::shared_ptr<ServerSession>> ServerPort::Accept() {
     if (pending_sessions.empty()) {
         return ERR_NOT_FOUND;
     }
@@ -26,7 +26,7 @@ ResultVal<SharedPtr<ServerSession>> ServerPort::Accept() {
     return MakeResult(std::move(session));
 }
 
-void ServerPort::AppendPendingSession(SharedPtr<ServerSession> pending_session) {
+void ServerPort::AppendPendingSession(std::shared_ptr<ServerSession> pending_session) {
     pending_sessions.push_back(std::move(pending_session));
 }
 
@@ -41,8 +41,8 @@ void ServerPort::Acquire(Thread* thread) {
 
 ServerPort::PortPair ServerPort::CreatePortPair(KernelCore& kernel, u32 max_sessions,
                                                 std::string name) {
-    SharedPtr<ServerPort> server_port(new ServerPort(kernel));
-    SharedPtr<ClientPort> client_port(new ClientPort(kernel));
+    std::shared_ptr<ServerPort> server_port = std::make_shared<ServerPort>(kernel);
+    std::shared_ptr<ClientPort> client_port = std::make_shared<ClientPort>(kernel);
 
     server_port->name = name + "_Server";
     client_port->name = name + "_Client";

src/core/hle/kernel/server_port.h

@@ -22,8 +22,11 @@ class SessionRequestHandler;
 
 class ServerPort final : public WaitObject {
 public:
+    explicit ServerPort(KernelCore& kernel);
+    ~ServerPort() override;
+
     using HLEHandler = std::shared_ptr<SessionRequestHandler>;
-    using PortPair = std::pair<SharedPtr<ServerPort>, SharedPtr<ClientPort>>;
+    using PortPair = std::pair<std::shared_ptr<ServerPort>, std::shared_ptr<ClientPort>>;
 
     /**
      * Creates a pair of ServerPort and an associated ClientPort.
@@ -52,7 +55,7 @@ public:
      * Accepts a pending incoming connection on this port. If there are no pending sessions, will
      * return ERR_NO_PENDING_SESSIONS.
      */
-    ResultVal<SharedPtr<ServerSession>> Accept();
+    ResultVal<std::shared_ptr<ServerSession>> Accept();
 
     /// Whether or not this server port has an HLE handler available.
     bool HasHLEHandler() const {
@@ -74,17 +77,14 @@ public:
 
     /// Appends a ServerSession to the collection of ServerSessions
     /// waiting to be accepted by this port.
-    void AppendPendingSession(SharedPtr<ServerSession> pending_session);
+    void AppendPendingSession(std::shared_ptr<ServerSession> pending_session);
 
     bool ShouldWait(const Thread* thread) const override;
     void Acquire(Thread* thread) override;
 
 private:
-    explicit ServerPort(KernelCore& kernel);
-    ~ServerPort() override;
-
     /// ServerSessions waiting to be accepted by the port
-    std::vector<SharedPtr<ServerSession>> pending_sessions;
+    std::vector<std::shared_ptr<ServerSession>> pending_sessions;
 
     /// This session's HLE request handler template (optional)
     /// ServerSessions created from this port inherit a reference to this handler.

src/core/hle/kernel/server_session.cpp

@@ -1,4 +1,4 @@
-// Copyright 2016 Citra Emulator Project
+// Copyright 2019 yuzu emulator team
 // Licensed under GPLv2 or any later version
 // Refer to the license.txt file included.
 
@@ -9,6 +9,7 @@
 #include "common/common_types.h"
 #include "common/logging/log.h"
 #include "core/core.h"
+#include "core/core_timing.h"
 #include "core/hle/ipc_helpers.h"
 #include "core/hle/kernel/client_port.h"
 #include "core/hle/kernel/client_session.h"
@@ -19,35 +20,32 @@
 #include "core/hle/kernel/server_session.h"
 #include "core/hle/kernel/session.h"
 #include "core/hle/kernel/thread.h"
+#include "core/memory.h"
 
 namespace Kernel {
 
 ServerSession::ServerSession(KernelCore& kernel) : WaitObject{kernel} {}
-ServerSession::~ServerSession() {
-    // This destructor will be called automatically when the last ServerSession handle is closed by
-    // the emulated application.
+ServerSession::~ServerSession() = default;
 
-    // Decrease the port's connection count.
-    if (parent->port) {
-        parent->port->ConnectionClosed();
-    }
+ResultVal<std::shared_ptr<ServerSession>> ServerSession::Create(KernelCore& kernel,
+                                                                std::shared_ptr<Session> parent,
+                                                                std::string name) {
+    std::shared_ptr<ServerSession> session{std::make_shared<ServerSession>(kernel)};
 
-    parent->server = nullptr;
-}
+    session->request_event = Core::Timing::CreateEvent(
+        name, [session](u64 userdata, s64 cycles_late) { session->CompleteSyncRequest(); });
+    session->name = std::move(name);
+    session->parent = std::move(parent);
 
-ResultVal<SharedPtr<ServerSession>> ServerSession::Create(KernelCore& kernel, std::string name) {
-    SharedPtr<ServerSession> server_session(new ServerSession(kernel));
-
-    server_session->name = std::move(name);
-    server_session->parent = nullptr;
-
-    return MakeResult(std::move(server_session));
+    return MakeResult(std::move(session));
 }
 
 bool ServerSession::ShouldWait(const Thread* thread) const {
     // Closed sessions should never wait, an error will be returned from svcReplyAndReceive.
-    if (parent->client == nullptr)
+    if (!parent->Client()) {
         return false;
+    }
+
     // Wait if we have no pending requests, or if we're currently handling a request.
     return pending_requesting_threads.empty() || currently_handling != nullptr;
 }
@@ -69,7 +67,7 @@ void ServerSession::ClientDisconnected() {
     if (handler) {
         // Note that after this returns, this server session's hle_handler is
         // invalidated (set to null).
-        handler->ClientDisconnected(this);
+        handler->ClientDisconnected(SharedFrom(this));
     }
 
     // Clean up the list of client threads with pending requests, they are unneeded now that the
@@ -126,13 +124,21 @@ ResultCode ServerSession::HandleDomainSyncRequest(Kernel::HLERequestContext& con
     return RESULT_SUCCESS;
 }
 
-ResultCode ServerSession::HandleSyncRequest(SharedPtr<Thread> thread) {
-    // The ServerSession received a sync request, this means that there's new data available
-    // from its ClientSession, so wake up any threads that may be waiting on a svcReplyAndReceive or
-    // similar.
-    Kernel::HLERequestContext context(this, thread);
-    u32* cmd_buf = (u32*)Memory::GetPointer(thread->GetTLSAddress());
-    context.PopulateFromIncomingCommandBuffer(kernel.CurrentProcess()->GetHandleTable(), cmd_buf);
+ResultCode ServerSession::QueueSyncRequest(std::shared_ptr<Thread> thread, Memory::Memory& memory) {
+    u32* cmd_buf{reinterpret_cast<u32*>(memory.GetPointer(thread->GetTLSAddress()))};
+    std::shared_ptr<Kernel::HLERequestContext> context{
+        std::make_shared<Kernel::HLERequestContext>(SharedFrom(this), std::move(thread))};
+
+    context->PopulateFromIncomingCommandBuffer(kernel.CurrentProcess()->GetHandleTable(), cmd_buf);
+    request_queue.Push(std::move(context));
+
+    return RESULT_SUCCESS;
+}
+
+ResultCode ServerSession::CompleteSyncRequest() {
+    ASSERT(!request_queue.Empty());
+
+    auto& context = *request_queue.Front();
 
     ResultCode result = RESULT_SUCCESS;
     // If the session has been converted to a domain, handle the domain request
@@ -144,61 +150,27 @@ ResultCode ServerSession::HandleSyncRequest(SharedPtr<Thread> thread) {
         result = hle_handler->HandleSyncRequest(context);
     }
 
-    if (thread->GetStatus() == ThreadStatus::Running) {
-        // Put the thread to sleep until the server replies, it will be awoken in
-        // svcReplyAndReceive for LLE servers.
-        thread->SetStatus(ThreadStatus::WaitIPC);
-
-        if (hle_handler != nullptr) {
-            // For HLE services, we put the request threads to sleep for a short duration to
-            // simulate IPC overhead, but only if the HLE handler didn't put the thread to sleep for
-            // other reasons like an async callback. The IPC overhead is needed to prevent
-            // starvation when a thread only does sync requests to HLE services while a
-            // lower-priority thread is waiting to run.
-
-            // This delay was approximated in a homebrew application by measuring the average time
-            // it takes for svcSendSyncRequest to return when performing the SetLcdForceBlack IPC
-            // request to the GSP:GPU service in a n3DS with firmware 11.6. The measured values have
-            // a high variance and vary between models.
-            static constexpr u64 IPCDelayNanoseconds = 39000;
-            thread->WakeAfterDelay(IPCDelayNanoseconds);
-        } else {
-            // Add the thread to the list of threads that have issued a sync request with this
-            // server.
-            pending_requesting_threads.push_back(std::move(thread));
-        }
-    }
-
-    // If this ServerSession does not have an HLE implementation, just wake up the threads waiting
-    // on it.
-    WakeupAllWaitingThreads();
-
-    // Handle scenario when ConvertToDomain command was issued, as we must do the conversion at the
-    // end of the command such that only commands following this one are handled as domains
     if (convert_to_domain) {
         ASSERT_MSG(IsSession(), "ServerSession is already a domain instance.");
         domain_request_handlers = {hle_handler};
         convert_to_domain = false;
     }
 
+    // Some service requests require the thread to block
+    if (!context.IsThreadWaiting()) {
+        context.GetThread().ResumeFromWait();
+        context.GetThread().SetWaitSynchronizationResult(result);
+    }
+
+    request_queue.Pop();
+
     return result;
 }
 
-ServerSession::SessionPair ServerSession::CreateSessionPair(KernelCore& kernel,
-                                                            const std::string& name,
-                                                            SharedPtr<ClientPort> port) {
-    auto server_session = ServerSession::Create(kernel, name + "_Server").Unwrap();
-    SharedPtr<ClientSession> client_session(new ClientSession(kernel));
-    client_session->name = name + "_Client";
-
-    std::shared_ptr<Session> parent(new Session);
-    parent->client = client_session.get();
-    parent->server = server_session.get();
-    parent->port = std::move(port);
-
-    client_session->parent = parent;
-    server_session->parent = parent;
-
-    return std::make_pair(std::move(server_session), std::move(client_session));
+ResultCode ServerSession::HandleSyncRequest(std::shared_ptr<Thread> thread,
+                                            Memory::Memory& memory) {
+    Core::System::GetInstance().CoreTiming().ScheduleEvent(20000, request_event, {});
+    return QueueSyncRequest(std::move(thread), memory);
 }
+
 } // namespace Kernel

src/core/hle/kernel/server_session.h

@@ -1,4 +1,4 @@
-// Copyright 2014 Citra Emulator Project
+// Copyright 2019 yuzu emulator team
 // Licensed under GPLv2 or any later version
 // Refer to the license.txt file included.
 
@@ -9,17 +9,22 @@
 #include <utility>
 #include <vector>
 
-#include "core/hle/kernel/object.h"
+#include "common/threadsafe_queue.h"
 #include "core/hle/kernel/wait_object.h"
 #include "core/hle/result.h"
 
+namespace Memory {
+class Memory;
+}
+
+namespace Core::Timing {
+struct EventType;
+}
+
 namespace Kernel {
 
-class ClientPort;
-class ClientSession;
 class HLERequestContext;
 class KernelCore;
-class ServerSession;
 class Session;
 class SessionRequestHandler;
 class Thread;
@@ -38,6 +43,15 @@ class Thread;
  */
 class ServerSession final : public WaitObject {
 public:
+    explicit ServerSession(KernelCore& kernel);
+    ~ServerSession() override;
+
+    friend class Session;
+
+    static ResultVal<std::shared_ptr<ServerSession>> Create(KernelCore& kernel,
+                                                            std::shared_ptr<Session> parent,
+                                                            std::string name = "Unknown");
+
     std::string GetTypeName() const override {
         return "ServerSession";
     }
@@ -59,18 +73,6 @@ public:
         return parent.get();
     }
 
-    using SessionPair = std::pair<SharedPtr<ServerSession>, SharedPtr<ClientSession>>;
-
-    /**
-     * Creates a pair of ServerSession and an associated ClientSession.
-     * @param kernel      The kernal instance to create the session pair under.
-     * @param name        Optional name of the ports.
-     * @param client_port Optional The ClientPort that spawned this session.
-     * @return The created session tuple
-     */
-    static SessionPair CreateSessionPair(KernelCore& kernel, const std::string& name = "Unknown",
-                                         SharedPtr<ClientPort> client_port = nullptr);
-
     /**
      * Sets the HLE handler for the session. This handler will be called to service IPC requests
      * instead of the regular IPC machinery. (The regular IPC machinery is currently not
@@ -82,10 +84,13 @@ public:
 
     /**
      * Handle a sync request from the emulated application.
+     *
      * @param thread Thread that initiated the request.
+     * @param memory Memory context to handle the sync request under.
+     *
      * @returns ResultCode from the operation.
      */
-    ResultCode HandleSyncRequest(SharedPtr<Thread> thread);
+    ResultCode HandleSyncRequest(std::shared_ptr<Thread> thread, Memory::Memory& memory);
 
     bool ShouldWait(const Thread* thread) const override;
 
@@ -118,18 +123,11 @@ public:
     }
 
 private:
-    explicit ServerSession(KernelCore& kernel);
-    ~ServerSession() override;
+    /// Queues a sync request from the emulated application.
+    ResultCode QueueSyncRequest(std::shared_ptr<Thread> thread, Memory::Memory& memory);
 
-    /**
-     * Creates a server session. The server session can have an optional HLE handler,
-     * which will be invoked to handle the IPC requests that this session receives.
-     * @param kernel The kernel instance to create this server session under.
-     * @param name Optional name of the server session.
-     * @return The created server session
-     */
-    static ResultVal<SharedPtr<ServerSession>> Create(KernelCore& kernel,
-                                                      std::string name = "Unknown");
+    /// Completes a sync request from the emulated application.
+    ResultCode CompleteSyncRequest();
 
     /// Handles a SyncRequest to a domain, forwarding the request to the proper object or closing an
     /// object handle.
@@ -147,18 +145,24 @@ private:
     /// List of threads that are pending a response after a sync request. This list is processed in
     /// a LIFO manner, thus, the last request will be dispatched first.
     /// TODO(Subv): Verify if this is indeed processed in LIFO using a hardware test.
-    std::vector<SharedPtr<Thread>> pending_requesting_threads;
+    std::vector<std::shared_ptr<Thread>> pending_requesting_threads;
 
     /// Thread whose request is currently being handled. A request is considered "handled" when a
     /// response is sent via svcReplyAndReceive.
     /// TODO(Subv): Find a better name for this.
-    SharedPtr<Thread> currently_handling;
+    std::shared_ptr<Thread> currently_handling;
 
     /// When set to True, converts the session to a domain at the end of the command
     bool convert_to_domain{};
 
     /// The name of this session (optional)
     std::string name;
+
+    /// Core timing event used to schedule the service request at some point in the future
+    std::shared_ptr<Core::Timing::EventType> request_event;
+
+    /// Queue of scheduled service requests
+    Common::MPSCQueue<std::shared_ptr<Kernel::HLERequestContext>> request_queue;
 };
 
 } // namespace Kernel

src/core/hle/kernel/session.cpp

@@ -1,12 +1,36 @@
-// Copyright 2015 Citra Emulator Project
+// Copyright 2019 yuzu emulator team
 // Licensed under GPLv2 or any later version
 // Refer to the license.txt file included.
 
+#include "common/assert.h"
+#include "core/hle/kernel/client_session.h"
+#include "core/hle/kernel/server_session.h"
 #include "core/hle/kernel/session.h"
-#include "core/hle/kernel/thread.h"
 
 namespace Kernel {
 
-Session::Session() {}
-Session::~Session() {}
+Session::Session(KernelCore& kernel) : WaitObject{kernel} {}
+Session::~Session() = default;
+
+Session::SessionPair Session::Create(KernelCore& kernel, std::string name) {
+    auto session{std::make_shared<Session>(kernel)};
+    auto client_session{Kernel::ClientSession::Create(kernel, session, name + "_Client").Unwrap()};
+    auto server_session{Kernel::ServerSession::Create(kernel, session, name + "_Server").Unwrap()};
+
+    session->name = std::move(name);
+    session->client = client_session;
+    session->server = server_session;
+
+    return std::make_pair(std::move(client_session), std::move(server_session));
+}
+
+bool Session::ShouldWait(const Thread* thread) const {
+    UNIMPLEMENTED();
+    return {};
+}
+
+void Session::Acquire(Thread* thread) {
+    UNIMPLEMENTED();
+}
+
 } // namespace Kernel

src/core/hle/kernel/session.h

@@ -1,27 +1,64 @@
-// Copyright 2018 yuzu emulator team
+// Copyright 2019 yuzu emulator team
 // Licensed under GPLv2 or any later version
 // Refer to the license.txt file included.
 
 #pragma once
 
-#include "core/hle/kernel/object.h"
+#include <memory>
+#include <string>
+#include <utility>
+
+#include "core/hle/kernel/wait_object.h"
 
 namespace Kernel {
 
 class ClientSession;
-class ClientPort;
 class ServerSession;
 
 /**
  * Parent structure to link the client and server endpoints of a session with their associated
- * client port. The client port need not exist, as is the case for portless sessions like the
- * FS File and Directory sessions. When one of the endpoints of a session is destroyed, its
- * corresponding field in this structure will be set to nullptr.
+ * client port.
  */
-class Session final {
+class Session final : public WaitObject {
 public:
-    ClientSession* client = nullptr; ///< The client endpoint of the session.
-    ServerSession* server = nullptr; ///< The server endpoint of the session.
-    SharedPtr<ClientPort> port;      ///< The port that this session is associated with (optional).
+    explicit Session(KernelCore& kernel);
+    ~Session() override;
+
+    using SessionPair = std::pair<std::shared_ptr<ClientSession>, std::shared_ptr<ServerSession>>;
+
+    static SessionPair Create(KernelCore& kernel, std::string name = "Unknown");
+
+    std::string GetName() const override {
+        return name;
+    }
+
+    static constexpr HandleType HANDLE_TYPE = HandleType::Session;
+    HandleType GetHandleType() const override {
+        return HANDLE_TYPE;
+    }
+
+    bool ShouldWait(const Thread* thread) const override;
+
+    void Acquire(Thread* thread) override;
+
+    std::shared_ptr<ClientSession> Client() {
+        if (auto result{client.lock()}) {
+            return result;
+        }
+        return {};
+    }
+
+    std::shared_ptr<ServerSession> Server() {
+        if (auto result{server.lock()}) {
+            return result;
+        }
+        return {};
+    }
+
+private:
+    std::string name;
+    std::weak_ptr<ClientSession> client;
+    std::weak_ptr<ServerSession> server;
 };
+
 } // namespace Kernel

src/core/hle/kernel/shared_memory.cpp

@@ -15,11 +15,12 @@ namespace Kernel {
 SharedMemory::SharedMemory(KernelCore& kernel) : Object{kernel} {}
 SharedMemory::~SharedMemory() = default;
 
-SharedPtr<SharedMemory> SharedMemory::Create(KernelCore& kernel, Process* owner_process, u64 size,
-                                             MemoryPermission permissions,
-                                             MemoryPermission other_permissions, VAddr address,
-                                             MemoryRegion region, std::string name) {
-    SharedPtr<SharedMemory> shared_memory(new SharedMemory(kernel));
+std::shared_ptr<SharedMemory> SharedMemory::Create(KernelCore& kernel, Process* owner_process,
+                                                   u64 size, MemoryPermission permissions,
+                                                   MemoryPermission other_permissions,
+                                                   VAddr address, MemoryRegion region,
+                                                   std::string name) {
+    std::shared_ptr<SharedMemory> shared_memory = std::make_shared<SharedMemory>(kernel);
 
     shared_memory->owner_process = owner_process;
     shared_memory->name = std::move(name);
@@ -58,10 +59,10 @@ SharedPtr<SharedMemory> SharedMemory::Create(KernelCore& kernel, Process* owner_
     return shared_memory;
 }
 
-SharedPtr<SharedMemory> SharedMemory::CreateForApplet(
+std::shared_ptr<SharedMemory> SharedMemory::CreateForApplet(
     KernelCore& kernel, std::shared_ptr<Kernel::PhysicalMemory> heap_block, std::size_t offset,
     u64 size, MemoryPermission permissions, MemoryPermission other_permissions, std::string name) {
-    SharedPtr<SharedMemory> shared_memory(new SharedMemory(kernel));
+    std::shared_ptr<SharedMemory> shared_memory = std::make_shared<SharedMemory>(kernel);
 
     shared_memory->owner_process = nullptr;
     shared_memory->name = std::move(name);

src/core/hle/kernel/shared_memory.h

@@ -6,7 +6,6 @@
 
 #include <memory>
 #include <string>
-#include <vector>
 
 #include "common/common_types.h"
 #include "core/hle/kernel/object.h"
@@ -33,6 +32,9 @@ enum class MemoryPermission : u32 {
 
 class SharedMemory final : public Object {
 public:
+    explicit SharedMemory(KernelCore& kernel);
+    ~SharedMemory() override;
+
     /**
      * Creates a shared memory object.
      * @param kernel The kernel instance to create a shared memory instance under.
@@ -46,11 +48,12 @@ public:
      * linear heap.
      * @param name Optional object name, used for debugging purposes.
      */
-    static SharedPtr<SharedMemory> Create(KernelCore& kernel, Process* owner_process, u64 size,
-                                          MemoryPermission permissions,
-                                          MemoryPermission other_permissions, VAddr address = 0,
-                                          MemoryRegion region = MemoryRegion::BASE,
-                                          std::string name = "Unknown");
+    static std::shared_ptr<SharedMemory> Create(KernelCore& kernel, Process* owner_process,
+                                                u64 size, MemoryPermission permissions,
+                                                MemoryPermission other_permissions,
+                                                VAddr address = 0,
+                                                MemoryRegion region = MemoryRegion::BASE,
+                                                std::string name = "Unknown");
 
     /**
      * Creates a shared memory object from a block of memory managed by an HLE applet.
@@ -63,7 +66,7 @@ public:
      * block.
      * @param name Optional object name, used for debugging purposes.
      */
-    static SharedPtr<SharedMemory> CreateForApplet(
+    static std::shared_ptr<SharedMemory> CreateForApplet(
         KernelCore& kernel, std::shared_ptr<Kernel::PhysicalMemory> heap_block, std::size_t offset,
         u64 size, MemoryPermission permissions, MemoryPermission other_permissions,
         std::string name = "Unknown Applet");
@@ -130,9 +133,6 @@ public:
     const u8* GetPointer(std::size_t offset = 0) const;
 
 private:
-    explicit SharedMemory(KernelCore& kernel);
-    ~SharedMemory() override;
-
     /// Backing memory for this shared memory block.
     std::shared_ptr<PhysicalMemory> backing_block;
     /// Offset into the backing block for this shared memory.

src/core/hle/kernel/svc.cpp

@@ -17,6 +17,7 @@
 #include "core/core.h"
 #include "core/core_cpu.h"
 #include "core/core_timing.h"
+#include "core/core_timing_util.h"
 #include "core/hle/kernel/address_arbiter.h"
 #include "core/hle/kernel/client_port.h"
 #include "core/hle/kernel/client_session.h"
@@ -331,7 +332,9 @@ static ResultCode UnmapMemory(Core::System& system, VAddr dst_addr, VAddr src_ad
 /// 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_handle,
                                      VAddr port_name_address) {
-    if (!Memory::IsValidVirtualAddress(port_name_address)) {
+    auto& memory = system.Memory();
+
+    if (!memory.IsValidVirtualAddress(port_name_address)) {
         LOG_ERROR(Kernel_SVC,
                   "Port Name Address is not a valid virtual address, port_name_address=0x{:016X}",
                   port_name_address);
@@ -340,7 +343,7 @@ static ResultCode ConnectToNamedPort(Core::System& system, Handle* out_handle,
 
     static constexpr std::size_t PortNameMaxLength = 11;
     // Read 1 char beyond the max allowed port name to detect names that are too long.
-    std::string port_name = Memory::ReadCString(port_name_address, PortNameMaxLength + 1);
+    const std::string port_name = memory.ReadCString(port_name_address, PortNameMaxLength + 1);
     if (port_name.size() > PortNameMaxLength) {
         LOG_ERROR(Kernel_SVC, "Port name is too long, expected {} but got {}", PortNameMaxLength,
                   port_name.size());
@@ -358,7 +361,7 @@ static ResultCode ConnectToNamedPort(Core::System& system, Handle* out_handle,
 
     auto client_port = it->second;
 
-    SharedPtr<ClientSession> client_session;
+    std::shared_ptr<ClientSession> client_session;
     CASCADE_RESULT(client_session, client_port->Connect());
 
     // Return the client session
@@ -370,7 +373,7 @@ static ResultCode ConnectToNamedPort(Core::System& system, Handle* out_handle,
 /// Makes a blocking IPC call to an OS service.
 static ResultCode SendSyncRequest(Core::System& system, Handle handle) {
     const auto& handle_table = system.Kernel().CurrentProcess()->GetHandleTable();
-    SharedPtr<ClientSession> session = handle_table.Get<ClientSession>(handle);
+    std::shared_ptr<ClientSession> session = handle_table.Get<ClientSession>(handle);
     if (!session) {
         LOG_ERROR(Kernel_SVC, "called with invalid handle=0x{:08X}", handle);
         return ERR_INVALID_HANDLE;
@@ -378,11 +381,12 @@ static ResultCode SendSyncRequest(Core::System& system, Handle handle) {
 
     LOG_TRACE(Kernel_SVC, "called handle=0x{:08X}({})", handle, session->GetName());
 
-    system.PrepareReschedule();
+    auto thread = system.CurrentScheduler().GetCurrentThread();
+    thread->InvalidateWakeupCallback();
+    thread->SetStatus(ThreadStatus::WaitIPC);
+    system.PrepareReschedule(thread->GetProcessorID());
 
-    // TODO(Subv): svcSendSyncRequest should put the caller thread to sleep while the server
-    // responds and cause a reschedule.
-    return session->SendSyncRequest(system.CurrentScheduler().GetCurrentThread());
+    return session->SendSyncRequest(SharedFrom(thread), system.Memory());
 }
 
 /// Get the ID for the specified thread.
@@ -390,7 +394,7 @@ static ResultCode GetThreadId(Core::System& system, u64* thread_id, Handle threa
     LOG_TRACE(Kernel_SVC, "called thread=0x{:08X}", thread_handle);
 
     const auto& handle_table = system.Kernel().CurrentProcess()->GetHandleTable();
-    const SharedPtr<Thread> thread = handle_table.Get<Thread>(thread_handle);
+    const std::shared_ptr<Thread> thread = handle_table.Get<Thread>(thread_handle);
     if (!thread) {
         LOG_ERROR(Kernel_SVC, "Thread handle does not exist, handle=0x{:08X}", thread_handle);
         return ERR_INVALID_HANDLE;
@@ -405,13 +409,13 @@ static ResultCode GetProcessId(Core::System& system, u64* process_id, Handle han
     LOG_DEBUG(Kernel_SVC, "called handle=0x{:08X}", handle);
 
     const auto& handle_table = system.Kernel().CurrentProcess()->GetHandleTable();
-    const SharedPtr<Process> process = handle_table.Get<Process>(handle);
+    const std::shared_ptr<Process> process = handle_table.Get<Process>(handle);
     if (process) {
         *process_id = process->GetProcessID();
         return RESULT_SUCCESS;
     }
 
-    const SharedPtr<Thread> thread = handle_table.Get<Thread>(handle);
+    const std::shared_ptr<Thread> thread = handle_table.Get<Thread>(handle);
     if (thread) {
         const Process* const owner_process = thread->GetOwnerProcess();
         if (!owner_process) {
@@ -430,8 +434,8 @@ static ResultCode GetProcessId(Core::System& system, u64* process_id, Handle han
 }
 
 /// Default thread wakeup callback for WaitSynchronization
-static bool DefaultThreadWakeupCallback(ThreadWakeupReason reason, SharedPtr<Thread> thread,
-                                        SharedPtr<WaitObject> object, std::size_t index) {
+static bool DefaultThreadWakeupCallback(ThreadWakeupReason reason, std::shared_ptr<Thread> thread,
+                                        std::shared_ptr<WaitObject> object, std::size_t index) {
     ASSERT(thread->GetStatus() == ThreadStatus::WaitSynch);
 
     if (reason == ThreadWakeupReason::Timeout) {
@@ -451,7 +455,8 @@ static ResultCode WaitSynchronization(Core::System& system, Handle* index, VAddr
     LOG_TRACE(Kernel_SVC, "called handles_address=0x{:X}, handle_count={}, nano_seconds={}",
               handles_address, handle_count, nano_seconds);
 
-    if (!Memory::IsValidVirtualAddress(handles_address)) {
+    auto& memory = system.Memory();
+    if (!memory.IsValidVirtualAddress(handles_address)) {
         LOG_ERROR(Kernel_SVC,
                   "Handle address is not a valid virtual address, handle_address=0x{:016X}",
                   handles_address);
@@ -473,7 +478,7 @@ static ResultCode WaitSynchronization(Core::System& system, Handle* index, VAddr
     const auto& handle_table = system.Kernel().CurrentProcess()->GetHandleTable();
 
     for (u64 i = 0; i < handle_count; ++i) {
-        const Handle handle = Memory::Read32(handles_address + i * sizeof(Handle));
+        const Handle handle = memory.Read32(handles_address + i * sizeof(Handle));
         const auto object = handle_table.Get<WaitObject>(handle);
 
         if (object == nullptr) {
@@ -505,8 +510,13 @@ static ResultCode WaitSynchronization(Core::System& system, Handle* index, VAddr
         return RESULT_TIMEOUT;
     }
 
+    if (thread->IsSyncCancelled()) {
+        thread->SetSyncCancelled(false);
+        return ERR_SYNCHRONIZATION_CANCELED;
+    }
+
     for (auto& object : objects) {
-        object->AddWaitingThread(thread);
+        object->AddWaitingThread(SharedFrom(thread));
     }
 
     thread->SetWaitObjects(std::move(objects));
@@ -526,7 +536,7 @@ static ResultCode CancelSynchronization(Core::System& system, Handle thread_hand
     LOG_TRACE(Kernel_SVC, "called thread=0x{:X}", thread_handle);
 
     const auto& handle_table = system.Kernel().CurrentProcess()->GetHandleTable();
-    SharedPtr<Thread> thread = handle_table.Get<Thread>(thread_handle);
+    std::shared_ptr<Thread> thread = handle_table.Get<Thread>(thread_handle);
     if (!thread) {
         LOG_ERROR(Kernel_SVC, "Thread handle does not exist, thread_handle=0x{:08X}",
                   thread_handle);
@@ -610,13 +620,15 @@ static void Break(Core::System& system, u32 reason, u64 info1, u64 info2) {
             return;
         }
 
+        auto& memory = system.Memory();
+
         // This typically is an error code so we're going to assume this is the case
         if (sz == sizeof(u32)) {
-            LOG_CRITICAL(Debug_Emulated, "debug_buffer_err_code={:X}", Memory::Read32(addr));
+            LOG_CRITICAL(Debug_Emulated, "debug_buffer_err_code={:X}", memory.Read32(addr));
         } else {
             // We don't know what's in here so we'll hexdump it
             debug_buffer.resize(sz);
-            Memory::ReadBlock(addr, debug_buffer.data(), sz);
+            memory.ReadBlock(addr, debug_buffer.data(), sz);
             std::string hexdump;
             for (std::size_t i = 0; i < debug_buffer.size(); i++) {
                 hexdump += fmt::format("{:02X} ", debug_buffer[i]);
@@ -706,7 +718,7 @@ static void OutputDebugString([[maybe_unused]] Core::System& system, VAddr addre
     }
 
     std::string str(len, '\0');
-    Memory::ReadBlock(address, str.data(), str.size());
+    system.Memory().ReadBlock(address, str.data(), str.size());
     LOG_DEBUG(Debug_Emulated, "{}", str);
 }
 
@@ -935,7 +947,7 @@ static ResultCode GetInfo(Core::System& system, u64* result, u64 info_id, u64 ha
         const auto& core_timing = system.CoreTiming();
         const auto& scheduler = system.CurrentScheduler();
         const auto* const current_thread = scheduler.GetCurrentThread();
-        const bool same_thread = current_thread == thread;
+        const bool same_thread = current_thread == thread.get();
 
         const u64 prev_ctx_ticks = scheduler.GetLastContextSwitchTicks();
         u64 out_ticks = 0;
@@ -1045,7 +1057,7 @@ static ResultCode SetThreadActivity(Core::System& system, Handle handle, u32 act
     }
 
     const auto* current_process = system.Kernel().CurrentProcess();
-    const SharedPtr<Thread> thread = current_process->GetHandleTable().Get<Thread>(handle);
+    const std::shared_ptr<Thread> thread = current_process->GetHandleTable().Get<Thread>(handle);
     if (!thread) {
         LOG_ERROR(Kernel_SVC, "Thread handle does not exist, handle=0x{:08X}", handle);
         return ERR_INVALID_HANDLE;
@@ -1061,7 +1073,7 @@ static ResultCode SetThreadActivity(Core::System& system, Handle handle, u32 act
         return ERR_INVALID_HANDLE;
     }
 
-    if (thread == system.CurrentScheduler().GetCurrentThread()) {
+    if (thread.get() == system.CurrentScheduler().GetCurrentThread()) {
         LOG_ERROR(Kernel_SVC, "The thread handle specified is the current running thread");
         return ERR_BUSY;
     }
@@ -1077,7 +1089,7 @@ static ResultCode GetThreadContext(Core::System& system, VAddr thread_context, H
     LOG_DEBUG(Kernel_SVC, "called, context=0x{:08X}, thread=0x{:X}", thread_context, handle);
 
     const auto* current_process = system.Kernel().CurrentProcess();
-    const SharedPtr<Thread> thread = current_process->GetHandleTable().Get<Thread>(handle);
+    const std::shared_ptr<Thread> thread = current_process->GetHandleTable().Get<Thread>(handle);
     if (!thread) {
         LOG_ERROR(Kernel_SVC, "Thread handle does not exist, handle=0x{:08X}", handle);
         return ERR_INVALID_HANDLE;
@@ -1093,7 +1105,7 @@ static ResultCode GetThreadContext(Core::System& system, VAddr thread_context, H
         return ERR_INVALID_HANDLE;
     }
 
-    if (thread == system.CurrentScheduler().GetCurrentThread()) {
+    if (thread.get() == system.CurrentScheduler().GetCurrentThread()) {
         LOG_ERROR(Kernel_SVC, "The thread handle specified is the current running thread");
         return ERR_BUSY;
     }
@@ -1109,7 +1121,7 @@ static ResultCode GetThreadContext(Core::System& system, VAddr thread_context, H
         std::fill(ctx.vector_registers.begin() + 16, ctx.vector_registers.end(), u128{});
     }
 
-    Memory::WriteBlock(thread_context, &ctx, sizeof(ctx));
+    system.Memory().WriteBlock(thread_context, &ctx, sizeof(ctx));
     return RESULT_SUCCESS;
 }
 
@@ -1118,7 +1130,7 @@ static ResultCode GetThreadPriority(Core::System& system, u32* priority, Handle
     LOG_TRACE(Kernel_SVC, "called");
 
     const auto& handle_table = system.Kernel().CurrentProcess()->GetHandleTable();
-    const SharedPtr<Thread> thread = handle_table.Get<Thread>(handle);
+    const std::shared_ptr<Thread> thread = handle_table.Get<Thread>(handle);
     if (!thread) {
         LOG_ERROR(Kernel_SVC, "Thread handle does not exist, handle=0x{:08X}", handle);
         return ERR_INVALID_HANDLE;
@@ -1142,7 +1154,7 @@ static ResultCode SetThreadPriority(Core::System& system, Handle handle, u32 pri
 
     const auto* const current_process = system.Kernel().CurrentProcess();
 
-    SharedPtr<Thread> thread = current_process->GetHandleTable().Get<Thread>(handle);
+    std::shared_ptr<Thread> thread = current_process->GetHandleTable().Get<Thread>(handle);
     if (!thread) {
         LOG_ERROR(Kernel_SVC, "Thread handle does not exist, handle=0x{:08X}", handle);
         return ERR_INVALID_HANDLE;
@@ -1262,27 +1274,28 @@ static ResultCode QueryProcessMemory(Core::System& system, VAddr memory_info_add
                                      VAddr address) {
     LOG_TRACE(Kernel_SVC, "called process=0x{:08X} address={:X}", process_handle, address);
     const auto& handle_table = system.Kernel().CurrentProcess()->GetHandleTable();
-    SharedPtr<Process> process = handle_table.Get<Process>(process_handle);
+    std::shared_ptr<Process> process = handle_table.Get<Process>(process_handle);
     if (!process) {
         LOG_ERROR(Kernel_SVC, "Process handle does not exist, process_handle=0x{:08X}",
                   process_handle);
         return ERR_INVALID_HANDLE;
     }
 
+    auto& memory = system.Memory();
     const auto& vm_manager = process->VMManager();
     const MemoryInfo memory_info = vm_manager.QueryMemory(address);
 
-    Memory::Write64(memory_info_address, memory_info.base_address);
-    Memory::Write64(memory_info_address + 8, memory_info.size);
-    Memory::Write32(memory_info_address + 16, memory_info.state);
-    Memory::Write32(memory_info_address + 20, memory_info.attributes);
-    Memory::Write32(memory_info_address + 24, memory_info.permission);
-    Memory::Write32(memory_info_address + 32, memory_info.ipc_ref_count);
-    Memory::Write32(memory_info_address + 28, memory_info.device_ref_count);
-    Memory::Write32(memory_info_address + 36, 0);
+    memory.Write64(memory_info_address, memory_info.base_address);
+    memory.Write64(memory_info_address + 8, memory_info.size);
+    memory.Write32(memory_info_address + 16, memory_info.state);
+    memory.Write32(memory_info_address + 20, memory_info.attributes);
+    memory.Write32(memory_info_address + 24, memory_info.permission);
+    memory.Write32(memory_info_address + 32, memory_info.ipc_ref_count);
+    memory.Write32(memory_info_address + 28, memory_info.device_ref_count);
+    memory.Write32(memory_info_address + 36, 0);
 
     // Page info appears to be currently unused by the kernel and is always set to zero.
-    Memory::Write32(page_info_address, 0);
+    memory.Write32(page_info_address, 0);
 
     return RESULT_SUCCESS;
 }
@@ -1490,7 +1503,7 @@ static ResultCode CreateThread(Core::System& system, Handle* out_handle, VAddr e
     }
 
     auto& kernel = system.Kernel();
-    CASCADE_RESULT(SharedPtr<Thread> thread,
+    CASCADE_RESULT(std::shared_ptr<Thread> thread,
                    Thread::Create(kernel, "", entry_point, priority, arg, processor_id, stack_top,
                                   *current_process));
 
@@ -1516,7 +1529,7 @@ static ResultCode StartThread(Core::System& system, Handle thread_handle) {
     LOG_DEBUG(Kernel_SVC, "called thread=0x{:08X}", thread_handle);
 
     const auto& handle_table = system.Kernel().CurrentProcess()->GetHandleTable();
-    const SharedPtr<Thread> thread = handle_table.Get<Thread>(thread_handle);
+    const std::shared_ptr<Thread> thread = handle_table.Get<Thread>(thread_handle);
     if (!thread) {
         LOG_ERROR(Kernel_SVC, "Thread handle does not exist, thread_handle=0x{:08X}",
                   thread_handle);
@@ -1540,7 +1553,7 @@ static void ExitThread(Core::System& system) {
 
     auto* const current_thread = system.CurrentScheduler().GetCurrentThread();
     current_thread->Stop();
-    system.GlobalScheduler().RemoveThread(current_thread);
+    system.GlobalScheduler().RemoveThread(SharedFrom(current_thread));
     system.PrepareReschedule();
 }
 
@@ -1612,7 +1625,7 @@ static ResultCode WaitProcessWideKeyAtomic(Core::System& system, VAddr mutex_add
 
     auto* const current_process = system.Kernel().CurrentProcess();
     const auto& handle_table = current_process->GetHandleTable();
-    SharedPtr<Thread> thread = handle_table.Get<Thread>(thread_handle);
+    std::shared_ptr<Thread> thread = handle_table.Get<Thread>(thread_handle);
     ASSERT(thread);
 
     const auto release_result = current_process->GetMutex().Release(mutex_addr);
@@ -1620,12 +1633,13 @@ static ResultCode WaitProcessWideKeyAtomic(Core::System& system, VAddr mutex_add
         return release_result;
     }
 
-    SharedPtr<Thread> current_thread = system.CurrentScheduler().GetCurrentThread();
+    Thread* current_thread = system.CurrentScheduler().GetCurrentThread();
     current_thread->SetCondVarWaitAddress(condition_variable_addr);
     current_thread->SetMutexWaitAddress(mutex_addr);
     current_thread->SetWaitHandle(thread_handle);
     current_thread->SetStatus(ThreadStatus::WaitCondVar);
     current_thread->InvalidateWakeupCallback();
+    current_process->InsertConditionVariableThread(SharedFrom(current_thread));
 
     current_thread->WakeAfterDelay(nano_seconds);
 
@@ -1636,50 +1650,35 @@ static ResultCode WaitProcessWideKeyAtomic(Core::System& system, VAddr mutex_add
 }
 
 /// Signal process wide key
-static ResultCode SignalProcessWideKey(Core::System& system, VAddr condition_variable_addr,
-                                       s32 target) {
+static void SignalProcessWideKey(Core::System& system, VAddr condition_variable_addr, s32 target) {
     LOG_TRACE(Kernel_SVC, "called, condition_variable_addr=0x{:X}, target=0x{:08X}",
               condition_variable_addr, target);
 
     ASSERT(condition_variable_addr == Common::AlignDown(condition_variable_addr, 4));
 
     // Retrieve a list of all threads that are waiting for this condition variable.
-    std::vector<SharedPtr<Thread>> waiting_threads;
-    const auto& scheduler = system.GlobalScheduler();
-    const auto& thread_list = scheduler.GetThreadList();
+    auto* const current_process = system.Kernel().CurrentProcess();
+    std::vector<std::shared_ptr<Thread>> waiting_threads =
+        current_process->GetConditionVariableThreads(condition_variable_addr);
 
-    for (const auto& thread : thread_list) {
-        if (thread->GetCondVarWaitAddress() == condition_variable_addr) {
-            waiting_threads.push_back(thread);
-        }
-    }
-
-    // Sort them by priority, such that the highest priority ones come first.
-    std::sort(waiting_threads.begin(), waiting_threads.end(),
-              [](const SharedPtr<Thread>& lhs, const SharedPtr<Thread>& rhs) {
-                  return lhs->GetPriority() < rhs->GetPriority();
-              });
-
-    // Only process up to 'target' threads, unless 'target' is -1, in which case process
+    // Only process up to 'target' threads, unless 'target' is less equal 0, in which case process
     // them all.
     std::size_t last = waiting_threads.size();
-    if (target != -1)
+    if (target > 0)
         last = std::min(waiting_threads.size(), static_cast<std::size_t>(target));
 
-    // If there are no threads waiting on this condition variable, just exit
-    if (last == 0)
-        return RESULT_SUCCESS;
-
     for (std::size_t index = 0; index < last; ++index) {
         auto& thread = waiting_threads[index];
 
         ASSERT(thread->GetCondVarWaitAddress() == condition_variable_addr);
 
         // liberate Cond Var Thread.
+        current_process->RemoveConditionVariableThread(thread);
         thread->SetCondVarWaitAddress(0);
 
         const std::size_t current_core = system.CurrentCoreIndex();
         auto& monitor = system.Monitor();
+        auto& memory = system.Memory();
 
         // Atomically read the value of the mutex.
         u32 mutex_val = 0;
@@ -1689,7 +1688,7 @@ static ResultCode SignalProcessWideKey(Core::System& system, VAddr condition_var
             monitor.SetExclusive(current_core, mutex_address);
 
             // If the mutex is not yet acquired, acquire it.
-            mutex_val = Memory::Read32(mutex_address);
+            mutex_val = memory.Read32(mutex_address);
 
             if (mutex_val != 0) {
                 update_val = mutex_val | Mutex::MutexHasWaitersFlag;
@@ -1726,8 +1725,6 @@ static ResultCode SignalProcessWideKey(Core::System& system, VAddr condition_var
             system.PrepareReschedule(thread->GetProcessorID());
         }
     }
-
-    return RESULT_SUCCESS;
 }
 
 // Wait for an address (via Address Arbiter)
@@ -1781,12 +1778,25 @@ static ResultCode SignalToAddress(Core::System& system, VAddr address, u32 type,
     return address_arbiter.SignalToAddress(address, signal_type, value, num_to_wake);
 }
 
+static void KernelDebug([[maybe_unused]] Core::System& system,
+                        [[maybe_unused]] u32 kernel_debug_type, [[maybe_unused]] u64 param1,
+                        [[maybe_unused]] u64 param2, [[maybe_unused]] u64 param3) {
+    // Intentionally do nothing, as this does nothing in released kernel binaries.
+}
+
+static void ChangeKernelTraceState([[maybe_unused]] Core::System& system,
+                                   [[maybe_unused]] u32 trace_state) {
+    // Intentionally do nothing, as this does nothing in released kernel binaries.
+}
+
 /// This returns the total CPU ticks elapsed since the CPU was powered-on
 static u64 GetSystemTick(Core::System& system) {
     LOG_TRACE(Kernel_SVC, "called");
 
     auto& core_timing = system.CoreTiming();
-    const u64 result{core_timing.GetTicks()};
+
+    // Returns the value of cntpct_el0 (https://switchbrew.org/wiki/SVC#svcGetSystemTick)
+    const u64 result{Core::Timing::CpuCyclesToClockCycles(system.CoreTiming().GetTicks())};
 
     // Advance time to defeat dumb games that busy-wait for the frame to end.
     core_timing.AddTicks(400);
@@ -1975,7 +1985,7 @@ static ResultCode GetThreadCoreMask(Core::System& system, Handle thread_handle,
     LOG_TRACE(Kernel_SVC, "called, handle=0x{:08X}", thread_handle);
 
     const auto& handle_table = system.Kernel().CurrentProcess()->GetHandleTable();
-    const SharedPtr<Thread> thread = handle_table.Get<Thread>(thread_handle);
+    const std::shared_ptr<Thread> thread = handle_table.Get<Thread>(thread_handle);
     if (!thread) {
         LOG_ERROR(Kernel_SVC, "Thread handle does not exist, thread_handle=0x{:08X}",
                   thread_handle);
@@ -2034,7 +2044,7 @@ static ResultCode SetThreadCoreMask(Core::System& system, Handle thread_handle,
     }
 
     const auto& handle_table = current_process->GetHandleTable();
-    const SharedPtr<Thread> thread = handle_table.Get<Thread>(thread_handle);
+    const std::shared_ptr<Thread> thread = handle_table.Get<Thread>(thread_handle);
     if (!thread) {
         LOG_ERROR(Kernel_SVC, "Thread handle does not exist, thread_handle=0x{:08X}",
                   thread_handle);
@@ -2290,12 +2300,13 @@ static ResultCode GetProcessList(Core::System& system, u32* out_num_processes,
         return ERR_INVALID_ADDRESS_STATE;
     }
 
+    auto& memory = system.Memory();
     const auto& process_list = kernel.GetProcessList();
     const auto num_processes = process_list.size();
     const auto copy_amount = std::min(std::size_t{out_process_ids_size}, num_processes);
 
     for (std::size_t i = 0; i < copy_amount; ++i) {
-        Memory::Write64(out_process_ids, process_list[i]->GetProcessID());
+        memory.Write64(out_process_ids, process_list[i]->GetProcessID());
         out_process_ids += sizeof(u64);
     }
 
@@ -2329,13 +2340,14 @@ static ResultCode GetThreadList(Core::System& system, u32* out_num_threads, VAdd
         return ERR_INVALID_ADDRESS_STATE;
     }
 
+    auto& memory = system.Memory();
     const auto& thread_list = current_process->GetThreadList();
     const auto num_threads = thread_list.size();
     const auto copy_amount = std::min(std::size_t{out_thread_ids_size}, num_threads);
 
     auto list_iter = thread_list.cbegin();
     for (std::size_t i = 0; i < copy_amount; ++i, ++list_iter) {
-        Memory::Write64(out_thread_ids, (*list_iter)->GetThreadID());
+        memory.Write64(out_thread_ids, (*list_iter)->GetThreadID());
         out_thread_ids += sizeof(u64);
     }
 
@@ -2414,8 +2426,8 @@ static const FunctionDef SVC_Table[] = {
     {0x39, nullptr, "Unknown"},
     {0x3A, nullptr, "Unknown"},
     {0x3B, nullptr, "Unknown"},
-    {0x3C, nullptr, "DumpInfo"},
-    {0x3D, nullptr, "DumpInfoNew"},
+    {0x3C, SvcWrap<KernelDebug>, "KernelDebug"},
+    {0x3D, SvcWrap<ChangeKernelTraceState>, "ChangeKernelTraceState"},
     {0x3E, nullptr, "Unknown"},
     {0x3F, nullptr, "Unknown"},
     {0x40, nullptr, "CreateSession"},

src/core/hle/kernel/svc_wrap.h

@@ -112,11 +112,6 @@ void SvcWrap(Core::System& system) {
     FuncReturn(system, retval);
 }
 
-template <ResultCode func(Core::System&, u64, s32)>
-void SvcWrap(Core::System& system) {
-    FuncReturn(system, func(system, Param(system, 0), static_cast<s32>(Param(system, 1))).raw);
-}
-
 template <ResultCode func(Core::System&, u64, u32)>
 void SvcWrap(Core::System& system) {
     FuncReturn(system, func(system, Param(system, 0), static_cast<u32>(Param(system, 1))).raw);
@@ -311,11 +306,27 @@ void SvcWrap(Core::System& system) {
     func(system);
 }
 
+template <void func(Core::System&, u32)>
+void SvcWrap(Core::System& system) {
+    func(system, static_cast<u32>(Param(system, 0)));
+}
+
+template <void func(Core::System&, u32, u64, u64, u64)>
+void SvcWrap(Core::System& system) {
+    func(system, static_cast<u32>(Param(system, 0)), Param(system, 1), Param(system, 2),
+         Param(system, 3));
+}
+
 template <void func(Core::System&, s64)>
 void SvcWrap(Core::System& system) {
     func(system, static_cast<s64>(Param(system, 0)));
 }
 
+template <void func(Core::System&, u64, s32)>
+void SvcWrap(Core::System& system) {
+    func(system, Param(system, 0), static_cast<s32>(Param(system, 1)));
+}
+
 template <void func(Core::System&, u64, u64)>
 void SvcWrap(Core::System& system) {
     func(system, Param(system, 0), Param(system, 1));

src/core/hle/kernel/thread.cpp

@@ -50,7 +50,7 @@ void Thread::Stop() {
 
     // Clean up any dangling references in objects that this thread was waiting for
     for (auto& wait_object : wait_objects) {
-        wait_object->RemoveWaitingThread(this);
+        wait_object->RemoveWaitingThread(SharedFrom(this));
     }
     wait_objects.clear();
 
@@ -77,18 +77,6 @@ void Thread::CancelWakeupTimer() {
                                                              callback_handle);
 }
 
-static std::optional<s32> GetNextProcessorId(u64 mask) {
-    for (s32 index = 0; index < Core::NUM_CPU_CORES; ++index) {
-        if (mask & (1ULL << index)) {
-            if (!Core::System::GetInstance().Scheduler(index).GetCurrentThread()) {
-                // Core is enabled and not running any threads, use this one
-                return index;
-            }
-        }
-    }
-    return {};
-}
-
 void Thread::ResumeFromWait() {
     ASSERT_MSG(wait_objects.empty(), "Thread is waking up while waiting for objects");
 
@@ -132,8 +120,11 @@ void Thread::ResumeFromWait() {
 }
 
 void Thread::CancelWait() {
-    ASSERT(GetStatus() == ThreadStatus::WaitSynch);
-    ClearWaitObjects();
+    if (GetSchedulingStatus() != ThreadSchedStatus::Paused) {
+        is_sync_cancelled = true;
+        return;
+    }
+    is_sync_cancelled = false;
     SetWaitSynchronizationResult(ERR_SYNCHRONIZATION_CANCELED);
     ResumeFromWait();
 }
@@ -156,9 +147,10 @@ static void ResetThreadContext(Core::ARM_Interface::ThreadContext& context, VAdd
     context.fpcr = 0x03C00000;
 }
 
-ResultVal<SharedPtr<Thread>> Thread::Create(KernelCore& kernel, std::string name, VAddr entry_point,
-                                            u32 priority, u64 arg, s32 processor_id,
-                                            VAddr stack_top, Process& owner_process) {
+ResultVal<std::shared_ptr<Thread>> Thread::Create(KernelCore& kernel, std::string name,
+                                                  VAddr entry_point, u32 priority, u64 arg,
+                                                  s32 processor_id, VAddr stack_top,
+                                                  Process& owner_process) {
     // Check if priority is in ranged. Lowest priority -> highest priority id.
     if (priority > THREADPRIO_LOWEST) {
         LOG_ERROR(Kernel_SVC, "Invalid thread priority: {}", priority);
@@ -170,14 +162,14 @@ ResultVal<SharedPtr<Thread>> Thread::Create(KernelCore& kernel, std::string name
         return ERR_INVALID_PROCESSOR_ID;
     }
 
-    if (!Memory::IsValidVirtualAddress(owner_process, entry_point)) {
+    auto& system = Core::System::GetInstance();
+    if (!system.Memory().IsValidVirtualAddress(owner_process, entry_point)) {
         LOG_ERROR(Kernel_SVC, "(name={}): invalid entry {:016X}", name, entry_point);
         // TODO (bunnei): Find the correct error code to use here
-        return ResultCode(-1);
+        return RESULT_UNKNOWN;
     }
 
-    auto& system = Core::System::GetInstance();
-    SharedPtr<Thread> thread(new Thread(kernel));
+    std::shared_ptr<Thread> thread = std::make_shared<Thread>(kernel);
 
     thread->thread_id = kernel.CreateNewThreadID();
     thread->status = ThreadStatus::Dormant;
@@ -206,7 +198,7 @@ ResultVal<SharedPtr<Thread>> Thread::Create(KernelCore& kernel, std::string name
     // to initialize the context
     ResetThreadContext(thread->context, stack_top, entry_point, arg);
 
-    return MakeResult<SharedPtr<Thread>>(std::move(thread));
+    return MakeResult<std::shared_ptr<Thread>>(std::move(thread));
 }
 
 void Thread::SetPriority(u32 priority) {
@@ -224,7 +216,7 @@ void Thread::SetWaitSynchronizationOutput(s32 output) {
     context.cpu_registers[1] = output;
 }
 
-s32 Thread::GetWaitObjectIndex(const WaitObject* object) const {
+s32 Thread::GetWaitObjectIndex(std::shared_ptr<WaitObject> object) const {
     ASSERT_MSG(!wait_objects.empty(), "Thread is not waiting for anything");
     const auto match = std::find(wait_objects.rbegin(), wait_objects.rend(), object);
     return static_cast<s32>(std::distance(match, wait_objects.rend()) - 1);
@@ -264,8 +256,8 @@ void Thread::SetStatus(ThreadStatus new_status) {
     status = new_status;
 }
 
-void Thread::AddMutexWaiter(SharedPtr<Thread> thread) {
-    if (thread->lock_owner == this) {
+void Thread::AddMutexWaiter(std::shared_ptr<Thread> thread) {
+    if (thread->lock_owner.get() == this) {
         // If the thread is already waiting for this thread to release the mutex, ensure that the
         // waiters list is consistent and return without doing anything.
         const auto iter = std::find(wait_mutex_threads.begin(), wait_mutex_threads.end(), thread);
@@ -285,13 +277,13 @@ void Thread::AddMutexWaiter(SharedPtr<Thread> thread) {
         wait_mutex_threads.begin(), wait_mutex_threads.end(),
         [&thread](const auto& entry) { return entry->GetPriority() > thread->GetPriority(); });
     wait_mutex_threads.insert(insertion_point, thread);
-    thread->lock_owner = this;
+    thread->lock_owner = SharedFrom(this);
 
     UpdatePriority();
 }
 
-void Thread::RemoveMutexWaiter(SharedPtr<Thread> thread) {
-    ASSERT(thread->lock_owner == this);
+void Thread::RemoveMutexWaiter(std::shared_ptr<Thread> thread) {
+    ASSERT(thread->lock_owner.get() == this);
 
     // Ensure that the thread is in the list of mutex waiters
     const auto iter = std::find(wait_mutex_threads.begin(), wait_mutex_threads.end(), thread);
@@ -318,16 +310,24 @@ void Thread::UpdatePriority() {
         return;
     }
 
+    if (GetStatus() == ThreadStatus::WaitCondVar) {
+        owner_process->RemoveConditionVariableThread(SharedFrom(this));
+    }
+
     SetCurrentPriority(new_priority);
 
+    if (GetStatus() == ThreadStatus::WaitCondVar) {
+        owner_process->InsertConditionVariableThread(SharedFrom(this));
+    }
+
     if (!lock_owner) {
         return;
     }
 
     // Ensure that the thread is within the correct location in the waiting list.
     auto old_owner = lock_owner;
-    lock_owner->RemoveMutexWaiter(this);
-    old_owner->AddMutexWaiter(this);
+    lock_owner->RemoveMutexWaiter(SharedFrom(this));
+    old_owner->AddMutexWaiter(SharedFrom(this));
 
     // Recursively update the priority of the thread that depends on the priority of this one.
     lock_owner->UpdatePriority();
@@ -340,11 +340,11 @@ void Thread::ChangeCore(u32 core, u64 mask) {
 bool Thread::AllWaitObjectsReady() const {
     return std::none_of(
         wait_objects.begin(), wait_objects.end(),
-        [this](const SharedPtr<WaitObject>& object) { return object->ShouldWait(this); });
+        [this](const std::shared_ptr<WaitObject>& object) { return object->ShouldWait(this); });
 }
 
-bool Thread::InvokeWakeupCallback(ThreadWakeupReason reason, SharedPtr<Thread> thread,
-                                  SharedPtr<WaitObject> object, std::size_t index) {
+bool Thread::InvokeWakeupCallback(ThreadWakeupReason reason, std::shared_ptr<Thread> thread,
+                                  std::shared_ptr<WaitObject> object, std::size_t index) {
     ASSERT(wakeup_callback);
     return wakeup_callback(reason, std::move(thread), std::move(object), index);
 }
@@ -401,7 +401,7 @@ void Thread::SetCurrentPriority(u32 new_priority) {
 
 ResultCode Thread::SetCoreAndAffinityMask(s32 new_core, u64 new_affinity_mask) {
     const auto HighestSetCore = [](u64 mask, u32 max_cores) {
-        for (s32 core = max_cores - 1; core >= 0; core--) {
+        for (s32 core = static_cast<s32>(max_cores - 1); core >= 0; core--) {
             if (((mask >> core) & 1) != 0) {
                 return core;
             }
@@ -425,7 +425,7 @@ ResultCode Thread::SetCoreAndAffinityMask(s32 new_core, u64 new_affinity_mask) {
         if (old_affinity_mask != new_affinity_mask) {
             const s32 old_core = processor_id;
             if (processor_id >= 0 && ((affinity_mask >> processor_id) & 1) == 0) {
-                if (ideal_core < 0) {
+                if (static_cast<s32>(ideal_core) < 0) {
                     processor_id = HighestSetCore(affinity_mask, GlobalScheduler::NUM_CPU_CORES);
                 } else {
                     processor_id = ideal_core;
@@ -447,23 +447,23 @@ void Thread::AdjustSchedulingOnStatus(u32 old_flags) {
         ThreadSchedStatus::Runnable) {
         // In this case the thread was running, now it's pausing/exitting
         if (processor_id >= 0) {
-            scheduler.Unschedule(current_priority, processor_id, this);
+            scheduler.Unschedule(current_priority, static_cast<u32>(processor_id), this);
         }
 
-        for (s32 core = 0; core < GlobalScheduler::NUM_CPU_CORES; core++) {
-            if (core != processor_id && ((affinity_mask >> core) & 1) != 0) {
-                scheduler.Unsuggest(current_priority, static_cast<u32>(core), this);
+        for (u32 core = 0; core < GlobalScheduler::NUM_CPU_CORES; core++) {
+            if (core != static_cast<u32>(processor_id) && ((affinity_mask >> core) & 1) != 0) {
+                scheduler.Unsuggest(current_priority, core, this);
             }
         }
     } else if (GetSchedulingStatus() == ThreadSchedStatus::Runnable) {
         // The thread is now set to running from being stopped
         if (processor_id >= 0) {
-            scheduler.Schedule(current_priority, processor_id, this);
+            scheduler.Schedule(current_priority, static_cast<u32>(processor_id), this);
         }
 
-        for (s32 core = 0; core < GlobalScheduler::NUM_CPU_CORES; core++) {
-            if (core != processor_id && ((affinity_mask >> core) & 1) != 0) {
-                scheduler.Suggest(current_priority, static_cast<u32>(core), this);
+        for (u32 core = 0; core < GlobalScheduler::NUM_CPU_CORES; core++) {
+            if (core != static_cast<u32>(processor_id) && ((affinity_mask >> core) & 1) != 0) {
+                scheduler.Suggest(current_priority, core, this);
             }
         }
     }
@@ -477,11 +477,11 @@ void Thread::AdjustSchedulingOnPriority(u32 old_priority) {
     }
     auto& scheduler = Core::System::GetInstance().GlobalScheduler();
     if (processor_id >= 0) {
-        scheduler.Unschedule(old_priority, processor_id, this);
+        scheduler.Unschedule(old_priority, static_cast<u32>(processor_id), this);
     }
 
     for (u32 core = 0; core < GlobalScheduler::NUM_CPU_CORES; core++) {
-        if (core != processor_id && ((affinity_mask >> core) & 1) != 0) {
+        if (core != static_cast<u32>(processor_id) && ((affinity_mask >> core) & 1) != 0) {
             scheduler.Unsuggest(old_priority, core, this);
         }
     }
@@ -491,14 +491,14 @@ void Thread::AdjustSchedulingOnPriority(u32 old_priority) {
 
     if (processor_id >= 0) {
         if (current_thread == this) {
-            scheduler.SchedulePrepend(current_priority, processor_id, this);
+            scheduler.SchedulePrepend(current_priority, static_cast<u32>(processor_id), this);
         } else {
-            scheduler.Schedule(current_priority, processor_id, this);
+            scheduler.Schedule(current_priority, static_cast<u32>(processor_id), this);
         }
     }
 
     for (u32 core = 0; core < GlobalScheduler::NUM_CPU_CORES; core++) {
-        if (core != processor_id && ((affinity_mask >> core) & 1) != 0) {
+        if (core != static_cast<u32>(processor_id) && ((affinity_mask >> core) & 1) != 0) {
             scheduler.Suggest(current_priority, core, this);
         }
     }
@@ -515,7 +515,7 @@ void Thread::AdjustSchedulingOnAffinity(u64 old_affinity_mask, s32 old_core) {
 
     for (u32 core = 0; core < GlobalScheduler::NUM_CPU_CORES; core++) {
         if (((old_affinity_mask >> core) & 1) != 0) {
-            if (core == old_core) {
+            if (core == static_cast<u32>(old_core)) {
                 scheduler.Unschedule(current_priority, core, this);
             } else {
                 scheduler.Unsuggest(current_priority, core, this);
@@ -525,7 +525,7 @@ void Thread::AdjustSchedulingOnAffinity(u64 old_affinity_mask, s32 old_core) {
 
     for (u32 core = 0; core < GlobalScheduler::NUM_CPU_CORES; core++) {
         if (((affinity_mask >> core) & 1) != 0) {
-            if (core == processor_id) {
+            if (core == static_cast<u32>(processor_id)) {
                 scheduler.Schedule(current_priority, core, this);
             } else {
                 scheduler.Suggest(current_priority, core, this);

src/core/hle/kernel/thread.h

@@ -97,14 +97,18 @@ enum class ThreadSchedMasks : u32 {
 
 class Thread final : public WaitObject {
 public:
-    using MutexWaitingThreads = std::vector<SharedPtr<Thread>>;
+    explicit Thread(KernelCore& kernel);
+    ~Thread() override;
+
+    using MutexWaitingThreads = std::vector<std::shared_ptr<Thread>>;
 
     using ThreadContext = Core::ARM_Interface::ThreadContext;
 
-    using ThreadWaitObjects = std::vector<SharedPtr<WaitObject>>;
+    using ThreadWaitObjects = std::vector<std::shared_ptr<WaitObject>>;
 
-    using WakeupCallback = std::function<bool(ThreadWakeupReason reason, SharedPtr<Thread> thread,
-                                              SharedPtr<WaitObject> object, std::size_t index)>;
+    using WakeupCallback =
+        std::function<bool(ThreadWakeupReason reason, std::shared_ptr<Thread> thread,
+                           std::shared_ptr<WaitObject> object, std::size_t index)>;
 
     /**
      * Creates and returns a new thread. The new thread is immediately scheduled
@@ -118,10 +122,10 @@ public:
      * @param owner_process The parent process for the thread
      * @return A shared pointer to the newly created thread
      */
-    static ResultVal<SharedPtr<Thread>> Create(KernelCore& kernel, std::string name,
-                                               VAddr entry_point, u32 priority, u64 arg,
-                                               s32 processor_id, VAddr stack_top,
-                                               Process& owner_process);
+    static ResultVal<std::shared_ptr<Thread>> Create(KernelCore& kernel, std::string name,
+                                                     VAddr entry_point, u32 priority, u64 arg,
+                                                     s32 processor_id, VAddr stack_top,
+                                                     Process& owner_process);
 
     std::string GetName() const override {
         return name;
@@ -166,10 +170,10 @@ public:
     void SetPriority(u32 priority);
 
     /// Adds a thread to the list of threads that are waiting for a lock held by this thread.
-    void AddMutexWaiter(SharedPtr<Thread> thread);
+    void AddMutexWaiter(std::shared_ptr<Thread> thread);
 
     /// Removes a thread from the list of threads that are waiting for a lock held by this thread.
-    void RemoveMutexWaiter(SharedPtr<Thread> thread);
+    void RemoveMutexWaiter(std::shared_ptr<Thread> thread);
 
     /// Recalculates the current priority taking into account priority inheritance.
     void UpdatePriority();
@@ -229,7 +233,7 @@ public:
      *
      * @param object Object to query the index of.
      */
-    s32 GetWaitObjectIndex(const WaitObject* object) const;
+    s32 GetWaitObjectIndex(std::shared_ptr<WaitObject> object) const;
 
     /**
      * Stops a thread, invalidating it from further use
@@ -320,7 +324,7 @@ public:
 
     void ClearWaitObjects() {
         for (const auto& waiting_object : wait_objects) {
-            waiting_object->RemoveWaitingThread(this);
+            waiting_object->RemoveWaitingThread(SharedFrom(this));
         }
         wait_objects.clear();
     }
@@ -336,7 +340,7 @@ public:
         return lock_owner.get();
     }
 
-    void SetLockOwner(SharedPtr<Thread> owner) {
+    void SetLockOwner(std::shared_ptr<Thread> owner) {
         lock_owner = std::move(owner);
     }
 
@@ -390,8 +394,8 @@ public:
      * @pre A valid wakeup callback has been set. Violating this precondition
      *      will cause an assertion to trigger.
      */
-    bool InvokeWakeupCallback(ThreadWakeupReason reason, SharedPtr<Thread> thread,
-                              SharedPtr<WaitObject> object, std::size_t index);
+    bool InvokeWakeupCallback(ThreadWakeupReason reason, std::shared_ptr<Thread> thread,
+                              std::shared_ptr<WaitObject> object, std::size_t index);
 
     u32 GetIdealCore() const {
         return ideal_core;
@@ -440,10 +444,15 @@ public:
         is_running = value;
     }
 
-private:
-    explicit Thread(KernelCore& kernel);
-    ~Thread() override;
+    bool IsSyncCancelled() const {
+        return is_sync_cancelled;
+    }
 
+    void SetSyncCancelled(bool value) {
+        is_sync_cancelled = value;
+    }
+
+private:
     void SetSchedulingStatus(ThreadSchedStatus new_status);
     void SetCurrentPriority(u32 new_priority);
     ResultCode SetCoreAndAffinityMask(s32 new_core, u64 new_affinity_mask);
@@ -491,7 +500,7 @@ private:
     MutexWaitingThreads wait_mutex_threads;
 
     /// Thread that owns the lock that this thread is waiting for.
-    SharedPtr<Thread> lock_owner;
+    std::shared_ptr<Thread> lock_owner;
 
     /// If waiting on a ConditionVariable, this is the ConditionVariable address
     VAddr condvar_wait_address = 0;
@@ -524,6 +533,7 @@ private:
 
     u32 scheduling_state = 0;
     bool is_running = false;
+    bool is_sync_cancelled = false;
 
     std::string name;
 };

src/core/hle/kernel/transfer_memory.cpp

@@ -14,15 +14,17 @@ namespace Kernel {
 TransferMemory::TransferMemory(KernelCore& kernel) : Object{kernel} {}
 TransferMemory::~TransferMemory() = default;
 
-SharedPtr<TransferMemory> TransferMemory::Create(KernelCore& kernel, VAddr base_address, u64 size,
-                                                 MemoryPermission permissions) {
-    SharedPtr<TransferMemory> transfer_memory{new TransferMemory(kernel)};
+std::shared_ptr<TransferMemory> TransferMemory::Create(KernelCore& kernel, VAddr base_address,
+                                                       u64 size, MemoryPermission permissions) {
+    std::shared_ptr<TransferMemory> transfer_memory{std::make_shared<TransferMemory>(kernel)};
 
     transfer_memory->base_address = base_address;
     transfer_memory->memory_size = size;
     transfer_memory->owner_permissions = permissions;
     transfer_memory->owner_process = kernel.CurrentProcess();
 
+    transfer_memory->MapMemory(base_address, size, permissions);
+
     return transfer_memory;
 }
 

src/core/hle/kernel/transfer_memory.h

@@ -5,7 +5,6 @@
 #pragma once
 
 #include <memory>
-#include <vector>
 
 #include "core/hle/kernel/object.h"
 #include "core/hle/kernel/physical_memory.h"
@@ -27,10 +26,13 @@ enum class MemoryPermission : u32;
 ///
 class TransferMemory final : public Object {
 public:
+    explicit TransferMemory(KernelCore& kernel);
+    ~TransferMemory() override;
+
     static constexpr HandleType HANDLE_TYPE = HandleType::TransferMemory;
 
-    static SharedPtr<TransferMemory> Create(KernelCore& kernel, VAddr base_address, u64 size,
-                                            MemoryPermission permissions);
+    static std::shared_ptr<TransferMemory> Create(KernelCore& kernel, VAddr base_address, u64 size,
+                                                  MemoryPermission permissions);
 
     TransferMemory(const TransferMemory&) = delete;
     TransferMemory& operator=(const TransferMemory&) = delete;
@@ -79,9 +81,6 @@ public:
     ResultCode UnmapMemory(VAddr address, u64 size);
 
 private:
-    explicit TransferMemory(KernelCore& kernel);
-    ~TransferMemory() override;
-
     /// Memory block backing this instance.
     std::shared_ptr<PhysicalMemory> backing_block;
 

src/core/hle/kernel/vm_manager.cpp

@@ -16,7 +16,6 @@
 #include "core/hle/kernel/resource_limit.h"
 #include "core/hle/kernel/vm_manager.h"
 #include "core/memory.h"
-#include "core/memory_setup.h"
 
 namespace Kernel {
 namespace {
@@ -167,7 +166,7 @@ ResultVal<VAddr> VMManager::FindFreeRegion(VAddr begin, VAddr end, u64 size) con
 
     if (vma_handle == vma_map.cend()) {
         // TODO(Subv): Find the correct error code here.
-        return ResultCode(-1);
+        return RESULT_UNKNOWN;
     }
 
     const VAddr target = std::max(begin, vma_handle->second.base);
@@ -786,19 +785,21 @@ void VMManager::MergeAdjacentVMA(VirtualMemoryArea& left, const VirtualMemoryAre
 }
 
 void VMManager::UpdatePageTableForVMA(const VirtualMemoryArea& vma) {
+    auto& memory = system.Memory();
+
     switch (vma.type) {
     case VMAType::Free:
-        Memory::UnmapRegion(page_table, vma.base, vma.size);
+        memory.UnmapRegion(page_table, vma.base, vma.size);
         break;
     case VMAType::AllocatedMemoryBlock:
-        Memory::MapMemoryRegion(page_table, vma.base, vma.size,
-                                vma.backing_block->data() + vma.offset);
+        memory.MapMemoryRegion(page_table, vma.base, vma.size,
+                               vma.backing_block->data() + vma.offset);
         break;
     case VMAType::BackingMemory:
-        Memory::MapMemoryRegion(page_table, vma.base, vma.size, vma.backing_memory);
+        memory.MapMemoryRegion(page_table, vma.base, vma.size, vma.backing_memory);
         break;
     case VMAType::MMIO:
-        Memory::MapIoRegion(page_table, vma.base, vma.size, vma.mmio_handler);
+        memory.MapIoRegion(page_table, vma.base, vma.size, vma.mmio_handler);
         break;
     }
 }

src/core/hle/kernel/wait_object.cpp

@@ -18,13 +18,13 @@ namespace Kernel {
 WaitObject::WaitObject(KernelCore& kernel) : Object{kernel} {}
 WaitObject::~WaitObject() = default;
 
-void WaitObject::AddWaitingThread(SharedPtr<Thread> thread) {
+void WaitObject::AddWaitingThread(std::shared_ptr<Thread> thread) {
     auto itr = std::find(waiting_threads.begin(), waiting_threads.end(), thread);
     if (itr == waiting_threads.end())
         waiting_threads.push_back(std::move(thread));
 }
 
-void WaitObject::RemoveWaitingThread(Thread* thread) {
+void WaitObject::RemoveWaitingThread(std::shared_ptr<Thread> thread) {
     auto itr = std::find(waiting_threads.begin(), waiting_threads.end(), thread);
     // If a thread passed multiple handles to the same object,
     // the kernel might attempt to remove the thread from the object's
@@ -33,7 +33,7 @@ void WaitObject::RemoveWaitingThread(Thread* thread) {
         waiting_threads.erase(itr);
 }
 
-SharedPtr<Thread> WaitObject::GetHighestPriorityReadyThread() const {
+std::shared_ptr<Thread> WaitObject::GetHighestPriorityReadyThread() const {
     Thread* candidate = nullptr;
     u32 candidate_priority = THREADPRIO_LOWEST + 1;
 
@@ -51,23 +51,14 @@ SharedPtr<Thread> WaitObject::GetHighestPriorityReadyThread() const {
         if (ShouldWait(thread.get()))
             continue;
 
-        // A thread is ready to run if it's either in ThreadStatus::WaitSynch
-        // and the rest of the objects it is waiting on are ready.
-        bool ready_to_run = true;
-        if (thread_status == ThreadStatus::WaitSynch) {
-            ready_to_run = thread->AllWaitObjectsReady();
-        }
-
-        if (ready_to_run) {
-            candidate = thread.get();
-            candidate_priority = thread->GetPriority();
-        }
+        candidate = thread.get();
+        candidate_priority = thread->GetPriority();
     }
 
-    return candidate;
+    return SharedFrom(candidate);
 }
 
-void WaitObject::WakeupWaitingThread(SharedPtr<Thread> thread) {
+void WaitObject::WakeupWaitingThread(std::shared_ptr<Thread> thread) {
     ASSERT(!ShouldWait(thread.get()));
 
     if (!thread) {
@@ -83,7 +74,7 @@ void WaitObject::WakeupWaitingThread(SharedPtr<Thread> thread) {
         Acquire(thread.get());
     }
 
-    const std::size_t index = thread->GetWaitObjectIndex(this);
+    const std::size_t index = thread->GetWaitObjectIndex(SharedFrom(this));
 
     thread->ClearWaitObjects();
 
@@ -91,7 +82,8 @@ void WaitObject::WakeupWaitingThread(SharedPtr<Thread> thread) {
 
     bool resume = true;
     if (thread->HasWakeupCallback()) {
-        resume = thread->InvokeWakeupCallback(ThreadWakeupReason::Signal, thread, this, index);
+        resume = thread->InvokeWakeupCallback(ThreadWakeupReason::Signal, thread, SharedFrom(this),
+                                              index);
     }
     if (resume) {
         thread->ResumeFromWait();
@@ -105,7 +97,7 @@ void WaitObject::WakeupAllWaitingThreads() {
     }
 }
 
-const std::vector<SharedPtr<Thread>>& WaitObject::GetWaitingThreads() const {
+const std::vector<std::shared_ptr<Thread>>& WaitObject::GetWaitingThreads() const {
     return waiting_threads;
 }
 

src/core/hle/kernel/wait_object.h

@@ -4,8 +4,9 @@
 
 #pragma once
 
+#include <memory>
 #include <vector>
-#include <boost/smart_ptr/intrusive_ptr.hpp>
+
 #include "core/hle/kernel/object.h"
 
 namespace Kernel {
@@ -33,13 +34,13 @@ public:
      * Add a thread to wait on this object
      * @param thread Pointer to thread to add
      */
-    void AddWaitingThread(SharedPtr<Thread> thread);
+    void AddWaitingThread(std::shared_ptr<Thread> thread);
 
     /**
      * Removes a thread from waiting on this object (e.g. if it was resumed already)
      * @param thread Pointer to thread to remove
      */
-    void RemoveWaitingThread(Thread* thread);
+    void RemoveWaitingThread(std::shared_ptr<Thread> thread);
 
     /**
      * Wake up all threads waiting on this object that can be awoken, in priority order,
@@ -51,24 +52,24 @@ public:
      * Wakes up a single thread waiting on this object.
      * @param thread Thread that is waiting on this object to wakeup.
      */
-    void WakeupWaitingThread(SharedPtr<Thread> thread);
+    void WakeupWaitingThread(std::shared_ptr<Thread> thread);
 
     /// Obtains the highest priority thread that is ready to run from this object's waiting list.
-    SharedPtr<Thread> GetHighestPriorityReadyThread() const;
+    std::shared_ptr<Thread> GetHighestPriorityReadyThread() const;
 
     /// Get a const reference to the waiting threads list for debug use
-    const std::vector<SharedPtr<Thread>>& GetWaitingThreads() const;
+    const std::vector<std::shared_ptr<Thread>>& GetWaitingThreads() const;
 
 private:
     /// Threads waiting for this object to become available
-    std::vector<SharedPtr<Thread>> waiting_threads;
+    std::vector<std::shared_ptr<Thread>> waiting_threads;
 };
 
 // Specialization of DynamicObjectCast for WaitObjects
 template <>
-inline SharedPtr<WaitObject> DynamicObjectCast<WaitObject>(SharedPtr<Object> object) {
+inline std::shared_ptr<WaitObject> DynamicObjectCast<WaitObject>(std::shared_ptr<Object> object) {
     if (object != nullptr && object->IsWaitable()) {
-        return boost::static_pointer_cast<WaitObject>(object);
+        return std::static_pointer_cast<WaitObject>(object);
     }
     return nullptr;
 }

src/core/hle/kernel/writable_event.cpp

@@ -16,8 +16,8 @@ WritableEvent::WritableEvent(KernelCore& kernel) : Object{kernel} {}
 WritableEvent::~WritableEvent() = default;
 
 EventPair WritableEvent::CreateEventPair(KernelCore& kernel, std::string name) {
-    SharedPtr<WritableEvent> writable_event(new WritableEvent(kernel));
-    SharedPtr<ReadableEvent> readable_event(new ReadableEvent(kernel));
+    std::shared_ptr<WritableEvent> writable_event(new WritableEvent(kernel));
+    std::shared_ptr<ReadableEvent> readable_event(new ReadableEvent(kernel));
 
     writable_event->name = name + ":Writable";
     writable_event->readable = readable_event;
@@ -27,7 +27,7 @@ EventPair WritableEvent::CreateEventPair(KernelCore& kernel, std::string name) {
     return {std::move(readable_event), std::move(writable_event)};
 }
 
-SharedPtr<ReadableEvent> WritableEvent::GetReadableEvent() const {
+std::shared_ptr<ReadableEvent> WritableEvent::GetReadableEvent() const {
     return readable;
 }
 

src/core/hle/kernel/writable_event.h

@@ -4,6 +4,8 @@
 
 #pragma once
 
+#include <memory>
+
 #include "core/hle/kernel/object.h"
 
 namespace Kernel {
@@ -13,8 +15,8 @@ class ReadableEvent;
 class WritableEvent;
 
 struct EventPair {
-    SharedPtr<ReadableEvent> readable;
-    SharedPtr<WritableEvent> writable;
+    std::shared_ptr<ReadableEvent> readable;
+    std::shared_ptr<WritableEvent> writable;
 };
 
 class WritableEvent final : public Object {
@@ -40,7 +42,7 @@ public:
         return HANDLE_TYPE;
     }
 
-    SharedPtr<ReadableEvent> GetReadableEvent() const;
+    std::shared_ptr<ReadableEvent> GetReadableEvent() const;
 
     void Signal();
     void Clear();
@@ -49,7 +51,7 @@ public:
 private:
     explicit WritableEvent(KernelCore& kernel);
 
-    SharedPtr<ReadableEvent> readable;
+    std::shared_ptr<ReadableEvent> readable;
 
     std::string name; ///< Name of event (optional)
 };

src/core/hle/result.h

@@ -146,6 +146,14 @@ constexpr bool operator!=(const ResultCode& a, const ResultCode& b) {
 /// The default success `ResultCode`.
 constexpr ResultCode RESULT_SUCCESS(0);
 
+/**
+ * Placeholder result code used for unknown error codes.
+ *
+ * @note This should only be used when a particular error code
+ *       is not known yet.
+ */
+constexpr ResultCode RESULT_UNKNOWN(UINT32_MAX);
+
 /**
  * This is an optional value type. It holds a `ResultCode` and, if that code is a success code,
  * also holds a result of type `T`. If the code is an error code then trying to access the inner
@@ -183,7 +191,7 @@ class ResultVal {
 public:
     /// Constructs an empty `ResultVal` with the given error code. The code must not be a success
     /// code.
-    ResultVal(ResultCode error_code = ResultCode(-1)) : result_code(error_code) {
+    ResultVal(ResultCode error_code = RESULT_UNKNOWN) : result_code(error_code) {
         ASSERT(error_code.IsError());
     }
 

src/core/hle/service/acc/acc.cpp

@@ -84,7 +84,7 @@ protected:
             LOG_ERROR(Service_ACC, "Failed to get profile base and data for user={}",
                       user_id.Format());
             IPC::ResponseBuilder rb{ctx, 2};
-            rb.Push(ResultCode(-1)); // TODO(ogniK): Get actual error code
+            rb.Push(RESULT_UNKNOWN); // TODO(ogniK): Get actual error code
         }
     }
 
@@ -98,7 +98,7 @@ protected:
         } else {
             LOG_ERROR(Service_ACC, "Failed to get profile base for user={}", user_id.Format());
             IPC::ResponseBuilder rb{ctx, 2};
-            rb.Push(ResultCode(-1)); // TODO(ogniK): Get actual error code
+            rb.Push(RESULT_UNKNOWN); // TODO(ogniK): Get actual error code
         }
     }
 
@@ -442,7 +442,7 @@ void Module::Interface::TrySelectUserWithoutInteraction(Kernel::HLERequestContex
     const auto user_list = profile_manager->GetAllUsers();
     if (std::all_of(user_list.begin(), user_list.end(),
                     [](const auto& user) { return user.uuid == Common::INVALID_UUID; })) {
-        rb.Push(ResultCode(-1)); // TODO(ogniK): Find the correct error code
+        rb.Push(RESULT_UNKNOWN); // TODO(ogniK): Find the correct error code
         rb.PushRaw<u128>(Common::INVALID_UUID);
         return;
     }

src/core/hle/service/acc/acc_su.cpp

@@ -28,6 +28,7 @@ ACC_SU::ACC_SU(std::shared_ptr<Module> module, std::shared_ptr<ProfileManager> p
         {103, nullptr, "GetBaasUserAvailabilityChangeNotifier"},
         {104, nullptr, "GetProfileUpdateNotifier"},
         {105, nullptr, "CheckNetworkServiceAvailabilityAsync"},
+        {106, nullptr, "GetProfileSyncNotifier"},
         {110, nullptr, "StoreSaveDataThumbnail"},
         {111, nullptr, "ClearSaveDataThumbnail"},
         {112, nullptr, "LoadSaveDataThumbnail"},
@@ -44,6 +45,8 @@ ACC_SU::ACC_SU(std::shared_ptr<Module> module, std::shared_ptr<ProfileManager> p
         {205, &ACC_SU::GetProfileEditor, "GetProfileEditor"},
         {206, nullptr, "CompleteUserRegistrationForcibly"},
         {210, nullptr, "CreateFloatingRegistrationRequest"},
+        {211, nullptr, "CreateProcedureToRegisterUserWithNintendoAccount"},
+        {212, nullptr, "ResumeProcedureToRegisterUserWithNintendoAccount"},
         {230, nullptr, "AuthenticateServiceAsync"},
         {250, nullptr, "GetBaasAccountAdministrator"},
         {290, nullptr, "ProxyProcedureForGuestLoginWithNintendoAccount"},

src/core/hle/service/acc/acc_u1.cpp

@@ -28,6 +28,7 @@ ACC_U1::ACC_U1(std::shared_ptr<Module> module, std::shared_ptr<ProfileManager> p
         {103, nullptr, "GetProfileUpdateNotifier"},
         {104, nullptr, "CheckNetworkServiceAvailabilityAsync"},
         {105, nullptr, "GetBaasUserAvailabilityChangeNotifier"},
+        {106, nullptr, "GetProfileSyncNotifier"},
         {110, nullptr, "StoreSaveDataThumbnail"},
         {111, nullptr, "ClearSaveDataThumbnail"},
         {112, nullptr, "LoadSaveDataThumbnail"},

src/core/hle/service/acc/profile_manager.cpp

@@ -31,8 +31,8 @@ struct ProfileDataRaw {
 static_assert(sizeof(ProfileDataRaw) == 0x650, "ProfileDataRaw has incorrect size.");
 
 // TODO(ogniK): Get actual error codes
-constexpr ResultCode ERROR_TOO_MANY_USERS(ErrorModule::Account, -1);
-constexpr ResultCode ERROR_USER_ALREADY_EXISTS(ErrorModule::Account, -2);
+constexpr ResultCode ERROR_TOO_MANY_USERS(ErrorModule::Account, u32(-1));
+constexpr ResultCode ERROR_USER_ALREADY_EXISTS(ErrorModule::Account, u32(-2));
 constexpr ResultCode ERROR_ARGUMENT_IS_NULL(ErrorModule::Account, 20);
 
 constexpr char ACC_SAVE_AVATORS_BASE_PATH[] = "/system/save/8000000000000010/su/avators/";

src/core/hle/service/am/am.cpp

@@ -229,7 +229,15 @@ IDebugFunctions::IDebugFunctions() : ServiceFramework{"IDebugFunctions"} {
         {20, nullptr, "InvalidateTransitionLayer"},
         {30, nullptr, "RequestLaunchApplicationWithUserAndArgumentForDebug"},
         {40, nullptr, "GetAppletResourceUsageInfo"},
-        {41, nullptr, "SetCpuBoostModeForApplet"},
+        {100, nullptr, "SetCpuBoostModeForApplet"},
+        {110, nullptr, "PushToAppletBoundChannelForDebug"},
+        {111, nullptr, "TryPopFromAppletBoundChannelForDebug"},
+        {120, nullptr, "AlarmSettingNotificationEnableAppEventReserve"},
+        {121, nullptr, "AlarmSettingNotificationDisableAppEventReserve"},
+        {122, nullptr, "AlarmSettingNotificationPushAppEventNotify"},
+        {130, nullptr, "FriendInvitationSetApplicationParameter"},
+        {131, nullptr, "FriendInvitationClearApplicationParameter"},
+        {132, nullptr, "FriendInvitationPushApplicationParameter"},
     };
     // clang-format on
 
@@ -278,10 +286,12 @@ ISelfController::ISelfController(Core::System& system,
         {69, &ISelfController::IsAutoSleepDisabled, "IsAutoSleepDisabled"},
         {70, nullptr, "ReportMultimediaError"},
         {71, nullptr, "GetCurrentIlluminanceEx"},
+        {72, nullptr, "SetInputDetectionPolicy"},
         {80, nullptr, "SetWirelessPriorityMode"},
         {90, &ISelfController::GetAccumulatedSuspendedTickValue, "GetAccumulatedSuspendedTickValue"},
         {91, &ISelfController::GetAccumulatedSuspendedTickChangedEvent, "GetAccumulatedSuspendedTickChangedEvent"},
         {100, nullptr, "SetAlbumImageTakenNotificationEnabled"},
+        {110, nullptr, "SetApplicationAlbumUserData"},
         {1000, nullptr, "GetDebugStorageChannel"},
     };
     // clang-format on
@@ -531,12 +541,11 @@ AppletMessageQueue::AppletMessageQueue(Kernel::KernelCore& kernel) {
 
 AppletMessageQueue::~AppletMessageQueue() = default;
 
-const Kernel::SharedPtr<Kernel::ReadableEvent>& AppletMessageQueue::GetMesssageRecieveEvent()
-    const {
+const std::shared_ptr<Kernel::ReadableEvent>& AppletMessageQueue::GetMesssageRecieveEvent() const {
     return on_new_message.readable;
 }
 
-const Kernel::SharedPtr<Kernel::ReadableEvent>& AppletMessageQueue::GetOperationModeChangedEvent()
+const std::shared_ptr<Kernel::ReadableEvent>& AppletMessageQueue::GetOperationModeChangedEvent()
     const {
     return on_operation_mode_changed.readable;
 }
@@ -613,6 +622,7 @@ ICommonStateGetter::ICommonStateGetter(Core::System& system,
         {90, nullptr, "SetPerformanceConfigurationChangedNotification"},
         {91, nullptr, "GetCurrentPerformanceConfiguration"},
         {200, nullptr, "GetOperationModeSystemInfo"},
+        {300, nullptr, "GetSettingsPlatformRegion"},
     };
     // clang-format on
 
@@ -847,17 +857,16 @@ private:
     void PopInteractiveOutData(Kernel::HLERequestContext& ctx) {
         LOG_DEBUG(Service_AM, "called");
 
-        IPC::ResponseBuilder rb{ctx, 2, 0, 1};
-
         const auto storage = applet->GetBroker().PopInteractiveDataToGame();
         if (storage == nullptr) {
             LOG_ERROR(Service_AM,
                       "storage is a nullptr. There is no data in the current interactive channel");
-
+            IPC::ResponseBuilder rb{ctx, 2};
             rb.Push(ERR_NO_DATA_IN_CHANNEL);
             return;
         }
 
+        IPC::ResponseBuilder rb{ctx, 2, 0, 1};
         rb.Push(RESULT_SUCCESS);
         rb.PushIpcInterface<IStorage>(std::move(*storage));
     }
@@ -991,7 +1000,7 @@ void ILibraryAppletCreator::CreateLibraryApplet(Kernel::HLERequestContext& ctx)
         LOG_ERROR(Service_AM, "Applet doesn't exist! applet_id={}", static_cast<u32>(applet_id));
 
         IPC::ResponseBuilder rb{ctx, 2};
-        rb.Push(ResultCode(-1));
+        rb.Push(RESULT_UNKNOWN);
         return;
     }
 
@@ -1027,7 +1036,7 @@ void ILibraryAppletCreator::CreateTransferMemoryStorage(Kernel::HLERequestContex
     if (transfer_mem == nullptr) {
         LOG_ERROR(Service_AM, "shared_mem is a nullpr for handle={:08X}", handle);
         IPC::ResponseBuilder rb{ctx, 2};
-        rb.Push(ResultCode(-1));
+        rb.Push(RESULT_UNKNOWN);
         return;
     }
 
@@ -1076,11 +1085,18 @@ IApplicationFunctions::IApplicationFunctions(Core::System& system_)
         {100, &IApplicationFunctions::InitializeApplicationCopyrightFrameBuffer, "InitializeApplicationCopyrightFrameBuffer"},
         {101, &IApplicationFunctions::SetApplicationCopyrightImage, "SetApplicationCopyrightImage"},
         {102, &IApplicationFunctions::SetApplicationCopyrightVisibility, "SetApplicationCopyrightVisibility"},
-        {110, nullptr, "QueryApplicationPlayStatistics"},
+        {110, &IApplicationFunctions::QueryApplicationPlayStatistics, "QueryApplicationPlayStatistics"},
+        {111, &IApplicationFunctions::QueryApplicationPlayStatisticsByUid, "QueryApplicationPlayStatisticsByUid"},
         {120, nullptr, "ExecuteProgram"},
         {121, nullptr, "ClearUserChannel"},
         {122, nullptr, "UnpopToUserChannel"},
         {130, &IApplicationFunctions::GetGpuErrorDetectedSystemEvent, "GetGpuErrorDetectedSystemEvent"},
+        {140, nullptr, "GetFriendInvitationStorageChannelEvent"},
+        {141, nullptr, "TryPopFromFriendInvitationStorageChannel"},
+        {150, nullptr, "GetNotificationStorageChannelEvent"},
+        {151, nullptr, "TryPopFromNotificationStorageChannel"},
+        {160, nullptr, "GetHealthWarningDisappearedSystemEvent"},
+        {170, nullptr, "SetHdcpAuthenticationActivated"},
         {500, nullptr, "StartContinuousRecordingFlushForDebug"},
         {1000, nullptr, "CreateMovieMaker"},
         {1001, nullptr, "PrepareForJit"},
@@ -1335,12 +1351,16 @@ void IApplicationFunctions::GetPseudoDeviceId(Kernel::HLERequestContext& ctx) {
 }
 
 void IApplicationFunctions::ExtendSaveData(Kernel::HLERequestContext& ctx) {
+    struct Parameters {
+        FileSys::SaveDataType type;
+        u128 user_id;
+        u64 new_normal_size;
+        u64 new_journal_size;
+    };
+    static_assert(sizeof(Parameters) == 40);
+
     IPC::RequestParser rp{ctx};
-    const auto type{rp.PopRaw<FileSys::SaveDataType>()};
-    rp.Skip(1, false);
-    const auto user_id{rp.PopRaw<u128>()};
-    const auto new_normal_size{rp.PopRaw<u64>()};
-    const auto new_journal_size{rp.PopRaw<u64>()};
+    const auto [type, user_id, new_normal_size, new_journal_size] = rp.PopRaw<Parameters>();
 
     LOG_DEBUG(Service_AM,
               "called with type={:02X}, user_id={:016X}{:016X}, new_normal={:016X}, "
@@ -1359,10 +1379,14 @@ void IApplicationFunctions::ExtendSaveData(Kernel::HLERequestContext& ctx) {
 }
 
 void IApplicationFunctions::GetSaveDataSize(Kernel::HLERequestContext& ctx) {
+    struct Parameters {
+        FileSys::SaveDataType type;
+        u128 user_id;
+    };
+    static_assert(sizeof(Parameters) == 24);
+
     IPC::RequestParser rp{ctx};
-    const auto type{rp.PopRaw<FileSys::SaveDataType>()};
-    rp.Skip(1, false);
-    const auto user_id{rp.PopRaw<u128>()};
+    const auto [type, user_id] = rp.PopRaw<Parameters>();
 
     LOG_DEBUG(Service_AM, "called with type={:02X}, user_id={:016X}{:016X}", static_cast<u8>(type),
               user_id[1], user_id[0]);
@@ -1376,6 +1400,22 @@ void IApplicationFunctions::GetSaveDataSize(Kernel::HLERequestContext& ctx) {
     rb.Push(size.journal);
 }
 
+void IApplicationFunctions::QueryApplicationPlayStatistics(Kernel::HLERequestContext& ctx) {
+    LOG_WARNING(Service_AM, "(STUBBED) called");
+
+    IPC::ResponseBuilder rb{ctx, 3};
+    rb.Push(RESULT_SUCCESS);
+    rb.Push<u32>(0);
+}
+
+void IApplicationFunctions::QueryApplicationPlayStatisticsByUid(Kernel::HLERequestContext& ctx) {
+    LOG_WARNING(Service_AM, "(STUBBED) called");
+
+    IPC::ResponseBuilder rb{ctx, 3};
+    rb.Push(RESULT_SUCCESS);
+    rb.Push<u32>(0);
+}
+
 void IApplicationFunctions::GetGpuErrorDetectedSystemEvent(Kernel::HLERequestContext& ctx) {
     LOG_WARNING(Service_AM, "(STUBBED) called");
 
@@ -1409,6 +1449,8 @@ IHomeMenuFunctions::IHomeMenuFunctions() : ServiceFramework("IHomeMenuFunctions"
         {30, nullptr, "GetHomeButtonWriterLockAccessor"},
         {31, nullptr, "GetWriterLockAccessorEx"},
         {100, nullptr, "PopRequestLaunchApplicationForDebug"},
+        {110, nullptr, "IsForceTerminateApplicationDisabledForDebug"},
+        {200, nullptr, "LaunchDevMenu"},
     };
     // clang-format on