file_util: Migrate remaining file handling functions over to std::filesystem

Converts creation and deletion functions over to std::filesystem,
simplifying our file-handling code.

Notably with this, CopyDir will now function on Windows.

.ci/scripts/linux/docker.sh

@@ -5,7 +5,7 @@ cd /yuzu
 ccache -s
 
 mkdir build || true && cd build
-cmake .. -G Ninja -DDISPLAY_VERSION=$1 -DYUZU_USE_BUNDLED_UNICORN=ON -DYUZU_USE_QT_WEB_ENGINE=ON -DCMAKE_BUILD_TYPE=Release -DCMAKE_C_COMPILER=/usr/lib/ccache/gcc -DCMAKE_CXX_COMPILER=/usr/lib/ccache/g++ -DYUZU_ENABLE_COMPATIBILITY_REPORTING=${ENABLE_COMPATIBILITY_REPORTING:-"OFF"} -DENABLE_COMPATIBILITY_LIST_DOWNLOAD=ON -DUSE_DISCORD_PRESENCE=ON -DENABLE_QT_TRANSLATION=ON
+cmake .. -G Ninja -DDISPLAY_VERSION=$1 -DCMAKE_BUILD_TYPE=Release -DCMAKE_C_COMPILER=/usr/lib/ccache/gcc -DCMAKE_CXX_COMPILER=/usr/lib/ccache/g++ -DYUZU_ENABLE_COMPATIBILITY_REPORTING=${ENABLE_COMPATIBILITY_REPORTING:-"OFF"} -DENABLE_COMPATIBILITY_LIST_DOWNLOAD=ON -DUSE_DISCORD_PRESENCE=ON -DENABLE_QT_TRANSLATION=ON
 
 ninja
 

.ci/scripts/windows/docker.sh

@@ -5,7 +5,7 @@ cd /yuzu
 ccache -s
 
 mkdir build || true && cd build
-cmake .. -G Ninja -DDISPLAY_VERSION=$1 -DCMAKE_TOOLCHAIN_FILE="$(pwd)/../CMakeModules/MinGWCross.cmake" -DUSE_CCACHE=ON -DYUZU_USE_BUNDLED_UNICORN=ON -DENABLE_COMPATIBILITY_LIST_DOWNLOAD=ON -DCMAKE_BUILD_TYPE=Release -DENABLE_QT_TRANSLATION=ON
+cmake .. -G Ninja -DDISPLAY_VERSION=$1 -DCMAKE_TOOLCHAIN_FILE="$(pwd)/../CMakeModules/MinGWCross.cmake" -DUSE_CCACHE=ON -DENABLE_COMPATIBILITY_LIST_DOWNLOAD=ON -DCMAKE_BUILD_TYPE=Release -DENABLE_QT_TRANSLATION=ON
 ninja
 
 ccache -s

.ci/templates/build-msvc.yml

@@ -4,9 +4,11 @@ parameters:
   version: ''
 
 steps:
+- script: choco install vulkan-sdk
+  displayName: 'Install vulkan-sdk'
 - script: python -m pip install --upgrade pip conan
   displayName: 'Install conan'
-- script: mkdir build && cd build && cmake -G "Visual Studio 16 2019" -A x64 --config Release -DYUZU_USE_BUNDLED_QT=1 -DYUZU_USE_BUNDLED_UNICORN=1 -DYUZU_USE_QT_WEB_ENGINE=ON -DENABLE_COMPATIBILITY_LIST_DOWNLOAD=ON -DYUZU_ENABLE_COMPATIBILITY_REPORTING=${COMPAT} -DUSE_DISCORD_PRESENCE=ON -DDISPLAY_VERSION=${{ parameters['version'] }} .. && cd ..
+- script: refreshenv && mkdir build && cd build && cmake -G "Visual Studio 16 2019" -A x64 --config Release -DYUZU_USE_BUNDLED_QT=1 -DYUZU_USE_QT_WEB_ENGINE=ON -DENABLE_COMPATIBILITY_LIST_DOWNLOAD=ON -DYUZU_ENABLE_COMPATIBILITY_REPORTING=${COMPAT} -DUSE_DISCORD_PRESENCE=ON -DDISPLAY_VERSION=${{ parameters['version'] }} .. && cd ..
   displayName: 'Configure CMake'
 - task: MSBuild@1
   displayName: 'Build'

CMakeLists.txt

@@ -113,6 +113,9 @@ if (NOT DEFINED ARCHITECTURE)
 endif()
 message(STATUS "Target architecture: ${ARCHITECTURE}")
 
+if (UNIX)
+    add_definitions(-DYUZU_UNIX=1)
+endif()
 
 # Configure C++ standard
 # ===========================

src/CMakeLists.txt

@@ -66,6 +66,7 @@ else()
         -Wextra
         -Wmissing-declarations
         -Wno-attributes
+        -Wno-invalid-offsetof
         -Wno-unused-parameter
     )
 

src/audio_core/CMakeLists.txt

@@ -51,6 +51,8 @@ if (NOT MSVC)
         -Werror=implicit-fallthrough
         -Werror=reorder
         -Werror=sign-compare
+        -Werror=shadow
+        -Werror=unused-parameter
         -Werror=unused-variable
 
         $<$<CXX_COMPILER_ID:GNU>:-Werror=unused-but-set-parameter>

src/audio_core/algorithm/filter.cpp

@@ -31,8 +31,8 @@ Filter Filter::LowPass(double cutoff, double Q) {
 
 Filter::Filter() : Filter(1.0, 0.0, 0.0, 1.0, 0.0, 0.0) {}
 
-Filter::Filter(double a0, double a1, double a2, double b0, double b1, double b2)
-    : a1(a1 / a0), a2(a2 / a0), b0(b0 / a0), b1(b1 / a0), b2(b2 / a0) {}
+Filter::Filter(double a0_, double a1_, double a2_, double b0_, double b1_, double b2_)
+    : a1(a1_ / a0_), a2(a2_ / a0_), b0(b0_ / a0_), b1(b1_ / a0_), b2(b2_ / a0_) {}
 
 void Filter::Process(std::vector<s16>& signal) {
     const std::size_t num_frames = signal.size() / 2;
@@ -69,7 +69,7 @@ CascadingFilter CascadingFilter::LowPass(double cutoff, std::size_t cascade_size
 }
 
 CascadingFilter::CascadingFilter() = default;
-CascadingFilter::CascadingFilter(std::vector<Filter> filters) : filters(std::move(filters)) {}
+CascadingFilter::CascadingFilter(std::vector<Filter> filters_) : filters(std::move(filters_)) {}
 
 void CascadingFilter::Process(std::vector<s16>& signal) {
     for (auto& filter : filters) {

src/audio_core/algorithm/filter.h

@@ -25,7 +25,7 @@ public:
     /// Passthrough filter.
     Filter();
 
-    Filter(double a0, double a1, double a2, double b0, double b1, double b2);
+    Filter(double a0_, double a1_, double a2_, double b0_, double b1_, double b2_);
 
     void Process(std::vector<s16>& signal);
 
@@ -51,7 +51,7 @@ public:
     /// Passthrough.
     CascadingFilter();
 
-    explicit CascadingFilter(std::vector<Filter> filters);
+    explicit CascadingFilter(std::vector<Filter> filters_);
 
     void Process(std::vector<s16>& signal);
 

src/audio_core/audio_out.cpp

@@ -43,6 +43,10 @@ std::vector<Buffer::Tag> AudioOut::GetTagsAndReleaseBuffers(StreamPtr stream,
     return stream->GetTagsAndReleaseBuffers(max_count);
 }
 
+std::vector<Buffer::Tag> AudioOut::GetTagsAndReleaseBuffers(StreamPtr stream) {
+    return stream->GetTagsAndReleaseBuffers();
+}
+
 void AudioOut::StartStream(StreamPtr stream) {
     stream->Play();
 }

src/audio_core/audio_out.h

@@ -31,6 +31,9 @@ public:
     /// Returns a vector of recently released buffers specified by tag for the specified stream
     std::vector<Buffer::Tag> GetTagsAndReleaseBuffers(StreamPtr stream, std::size_t max_count);
 
+    /// Returns a vector of all recently released buffers specified by tag for the specified stream
+    std::vector<Buffer::Tag> GetTagsAndReleaseBuffers(StreamPtr stream);
+
     /// Starts an audio stream for playback
     void StartStream(StreamPtr stream);
 

src/audio_core/audio_renderer.cpp

@@ -2,6 +2,7 @@
 // Licensed under GPLv2 or any later version
 // Refer to the license.txt file included.
 
+#include <limits>
 #include <vector>
 
 #include "audio_core/audio_out.h"
@@ -14,19 +15,71 @@
 #include "core/memory.h"
 #include "core/settings.h"
 
+namespace {
+[[nodiscard]] static constexpr s16 ClampToS16(s32 value) {
+    return static_cast<s16>(std::clamp(value, s32{std::numeric_limits<s16>::min()},
+                                       s32{std::numeric_limits<s16>::max()}));
+}
+
+[[nodiscard]] static constexpr s16 Mix2To1(s16 l_channel, s16 r_channel) {
+    // Mix 50% from left and 50% from right channel
+    constexpr float l_mix_amount = 50.0f / 100.0f;
+    constexpr float r_mix_amount = 50.0f / 100.0f;
+    return ClampToS16(static_cast<s32>((static_cast<float>(l_channel) * l_mix_amount) +
+                                       (static_cast<float>(r_channel) * r_mix_amount)));
+}
+
+[[nodiscard]] static constexpr std::tuple<s16, s16> Mix6To2(s16 fl_channel, s16 fr_channel,
+                                                            s16 fc_channel,
+                                                            [[maybe_unused]] s16 lf_channel,
+                                                            s16 bl_channel, s16 br_channel) {
+    // Front channels are mixed 36.94%, Center channels are mixed to be 26.12% & the back channels
+    // are mixed to be 36.94%
+
+    constexpr float front_mix_amount = 36.94f / 100.0f;
+    constexpr float center_mix_amount = 26.12f / 100.0f;
+    constexpr float back_mix_amount = 36.94f / 100.0f;
+
+    // Mix 50% from left and 50% from right channel
+    const auto left = front_mix_amount * static_cast<float>(fl_channel) +
+                      center_mix_amount * static_cast<float>(fc_channel) +
+                      back_mix_amount * static_cast<float>(bl_channel);
+
+    const auto right = front_mix_amount * static_cast<float>(fr_channel) +
+                       center_mix_amount * static_cast<float>(fc_channel) +
+                       back_mix_amount * static_cast<float>(br_channel);
+
+    return {ClampToS16(static_cast<s32>(left)), ClampToS16(static_cast<s32>(right))};
+}
+
+[[nodiscard]] static constexpr std::tuple<s16, s16> Mix6To2WithCoefficients(
+    s16 fl_channel, s16 fr_channel, s16 fc_channel, s16 lf_channel, s16 bl_channel, s16 br_channel,
+    const std::array<float_le, 4>& coeff) {
+    const auto left =
+        static_cast<float>(fl_channel) * coeff[0] + static_cast<float>(fc_channel) * coeff[1] +
+        static_cast<float>(lf_channel) * coeff[2] + static_cast<float>(bl_channel) * coeff[0];
+
+    const auto right =
+        static_cast<float>(fr_channel) * coeff[0] + static_cast<float>(fc_channel) * coeff[1] +
+        static_cast<float>(lf_channel) * coeff[2] + static_cast<float>(br_channel) * coeff[0];
+
+    return {ClampToS16(static_cast<s32>(left)), ClampToS16(static_cast<s32>(right))};
+}
+
+} // namespace
+
 namespace AudioCore {
 AudioRenderer::AudioRenderer(Core::Timing::CoreTiming& core_timing, Core::Memory::Memory& memory_,
                              AudioCommon::AudioRendererParameter params,
-                             std::shared_ptr<Kernel::WritableEvent> buffer_event,
+                             std::shared_ptr<Kernel::WritableEvent> buffer_event_,
                              std::size_t instance_number)
-    : worker_params{params}, buffer_event{buffer_event},
+    : worker_params{params}, buffer_event{buffer_event_},
       memory_pool_info(params.effect_count + params.voice_count * 4),
       voice_context(params.voice_count), effect_context(params.effect_count), mix_context(),
       sink_context(params.sink_count), splitter_context(),
       voices(params.voice_count), memory{memory_},
       command_generator(worker_params, voice_context, mix_context, splitter_context, effect_context,
-                        memory),
-      temp_mix_buffer(AudioCommon::TOTAL_TEMP_MIX_SIZE) {
+                        memory) {
     behavior_info.SetUserRevision(params.revision);
     splitter_context.Initialize(behavior_info, params.splitter_count,
                                 params.num_splitter_send_channels);
@@ -35,7 +88,7 @@ AudioRenderer::AudioRenderer(Core::Timing::CoreTiming& core_timing, Core::Memory
     stream =
         audio_out->OpenStream(core_timing, params.sample_rate, AudioCommon::STREAM_NUM_CHANNELS,
                               fmt::format("AudioRenderer-Instance{}", instance_number),
-                              [=]() { buffer_event->Signal(); });
+                              [=]() { buffer_event_->Signal(); });
     audio_out->StartStream(stream);
 
     QueueMixedBuffer(0);
@@ -62,10 +115,6 @@ Stream::State AudioRenderer::GetStreamState() const {
     return stream->GetState();
 }
 
-static constexpr s16 ClampToS16(s32 value) {
-    return static_cast<s16>(std::clamp(value, -32768, 32767));
-}
-
 ResultCode AudioRenderer::UpdateAudioRenderer(const std::vector<u8>& input_params,
                                               std::vector<u8>& output_params) {
 
@@ -104,8 +153,8 @@ ResultCode AudioRenderer::UpdateAudioRenderer(const std::vector<u8>& input_param
         }
     }
 
-    auto mix_result = info_updater.UpdateMixes(mix_context, worker_params.mix_buffer_count,
-                                               splitter_context, effect_context);
+    const auto mix_result = info_updater.UpdateMixes(mix_context, worker_params.mix_buffer_count,
+                                                     splitter_context, effect_context);
 
     if (mix_result.IsError()) {
         LOG_ERROR(Audio, "Failed to update mix parameters");
@@ -194,20 +243,22 @@ void AudioRenderer::QueueMixedBuffer(Buffer::Tag tag) {
         for (std::size_t i = 0; i < BUFFER_SIZE; i++) {
             if (channel_count == 1) {
                 const auto sample = ClampToS16(mix_buffers[0][i]);
-                buffer[i * stream_channel_count + 0] = sample;
-                if (stream_channel_count > 1) {
-                    buffer[i * stream_channel_count + 1] = sample;
+
+                // Place sample in all channels
+                for (u32 channel = 0; channel < stream_channel_count; channel++) {
+                    buffer[i * stream_channel_count + channel] = sample;
                 }
+
                 if (stream_channel_count == 6) {
-                    buffer[i * stream_channel_count + 2] = sample;
-                    buffer[i * stream_channel_count + 4] = sample;
-                    buffer[i * stream_channel_count + 5] = sample;
+                    // Output stream has a LF channel, mute it!
+                    buffer[i * stream_channel_count + 3] = 0;
                 }
+
             } else if (channel_count == 2) {
                 const auto l_sample = ClampToS16(mix_buffers[0][i]);
                 const auto r_sample = ClampToS16(mix_buffers[1][i]);
                 if (stream_channel_count == 1) {
-                    buffer[i * stream_channel_count + 0] = l_sample;
+                    buffer[i * stream_channel_count + 0] = Mix2To1(l_sample, r_sample);
                 } else if (stream_channel_count == 2) {
                     buffer[i * stream_channel_count + 0] = l_sample;
                     buffer[i * stream_channel_count + 1] = r_sample;
@@ -215,8 +266,8 @@ void AudioRenderer::QueueMixedBuffer(Buffer::Tag tag) {
                     buffer[i * stream_channel_count + 0] = l_sample;
                     buffer[i * stream_channel_count + 1] = r_sample;
 
-                    buffer[i * stream_channel_count + 2] =
-                        ClampToS16((static_cast<s32>(l_sample) + static_cast<s32>(r_sample)) / 2);
+                    // Combine both left and right channels to the center channel
+                    buffer[i * stream_channel_count + 2] = Mix2To1(l_sample, r_sample);
 
                     buffer[i * stream_channel_count + 4] = l_sample;
                     buffer[i * stream_channel_count + 5] = r_sample;
@@ -231,17 +282,25 @@ void AudioRenderer::QueueMixedBuffer(Buffer::Tag tag) {
                 const auto br_sample = ClampToS16(mix_buffers[5][i]);
 
                 if (stream_channel_count == 1) {
-                    buffer[i * stream_channel_count + 0] = fc_sample;
+                    // Games seem to ignore the center channel half the time, we use the front left
+                    // and right channel for mixing as that's where majority of the audio goes
+                    buffer[i * stream_channel_count + 0] = Mix2To1(fl_sample, fr_sample);
                 } else if (stream_channel_count == 2) {
-                    buffer[i * stream_channel_count + 0] =
-                        static_cast<s16>(0.3694f * static_cast<float>(fl_sample) +
-                                         0.2612f * static_cast<float>(fc_sample) +
-                                         0.3694f * static_cast<float>(bl_sample));
-                    buffer[i * stream_channel_count + 1] =
-                        static_cast<s16>(0.3694f * static_cast<float>(fr_sample) +
-                                         0.2612f * static_cast<float>(fc_sample) +
-                                         0.3694f * static_cast<float>(br_sample));
+                    // Mix all channels into 2 channels
+                    if (sink_context.HasDownMixingCoefficients()) {
+                        const auto [left, right] = Mix6To2WithCoefficients(
+                            fl_sample, fr_sample, fc_sample, lf_sample, bl_sample, br_sample,
+                            sink_context.GetDownmixCoefficients());
+                        buffer[i * stream_channel_count + 0] = left;
+                        buffer[i * stream_channel_count + 1] = right;
+                    } else {
+                        const auto [left, right] = Mix6To2(fl_sample, fr_sample, fc_sample,
+                                                           lf_sample, bl_sample, br_sample);
+                        buffer[i * stream_channel_count + 0] = left;
+                        buffer[i * stream_channel_count + 1] = right;
+                    }
                 } else if (stream_channel_count == 6) {
+                    // Pass through
                     buffer[i * stream_channel_count + 0] = fl_sample;
                     buffer[i * stream_channel_count + 1] = fr_sample;
                     buffer[i * stream_channel_count + 2] = fc_sample;
@@ -259,7 +318,7 @@ void AudioRenderer::QueueMixedBuffer(Buffer::Tag tag) {
 }
 
 void AudioRenderer::ReleaseAndQueueBuffers() {
-    const auto released_buffers{audio_out->GetTagsAndReleaseBuffers(stream, 2)};
+    const auto released_buffers{audio_out->GetTagsAndReleaseBuffers(stream)};
     for (const auto& tag : released_buffers) {
         QueueMixedBuffer(tag);
     }

src/audio_core/audio_renderer.h

@@ -36,31 +36,26 @@ class Memory;
 }
 
 namespace AudioCore {
-using DSPStateHolder = std::array<VoiceState*, 6>;
+using DSPStateHolder = std::array<VoiceState*, AudioCommon::MAX_CHANNEL_COUNT>;
 
 class AudioOut;
 
-struct RendererInfo {
-    u64_le elasped_frame_count{};
-    INSERT_PADDING_WORDS(2);
-};
-static_assert(sizeof(RendererInfo) == 0x10, "RendererInfo is an invalid size");
-
 class AudioRenderer {
 public:
     AudioRenderer(Core::Timing::CoreTiming& core_timing, Core::Memory::Memory& memory_,
                   AudioCommon::AudioRendererParameter params,
-                  std::shared_ptr<Kernel::WritableEvent> buffer_event, std::size_t instance_number);
+                  std::shared_ptr<Kernel::WritableEvent> buffer_event_,
+                  std::size_t instance_number);
     ~AudioRenderer();
 
-    ResultCode UpdateAudioRenderer(const std::vector<u8>& input_params,
-                                   std::vector<u8>& output_params);
+    [[nodiscard]] ResultCode UpdateAudioRenderer(const std::vector<u8>& input_params,
+                                                 std::vector<u8>& output_params);
     void QueueMixedBuffer(Buffer::Tag tag);
     void ReleaseAndQueueBuffers();
-    u32 GetSampleRate() const;
-    u32 GetSampleCount() const;
-    u32 GetMixBufferCount() const;
-    Stream::State GetStreamState() const;
+    [[nodiscard]] u32 GetSampleRate() const;
+    [[nodiscard]] u32 GetSampleCount() const;
+    [[nodiscard]] u32 GetMixBufferCount() const;
+    [[nodiscard]] Stream::State GetStreamState() const;
 
 private:
     BehaviorInfo behavior_info{};
@@ -79,7 +74,6 @@ private:
     Core::Memory::Memory& memory;
     CommandGenerator command_generator;
     std::size_t elapsed_frame_count{};
-    std::vector<s32> temp_mix_buffer{};
 };
 
 } // namespace AudioCore

src/audio_core/behavior_info.h

@@ -43,22 +43,22 @@ public:
     void ClearError();
     void UpdateFlags(u64_le dest_flags);
     void SetUserRevision(u32_le revision);
-    u32_le GetUserRevision() const;
-    u32_le GetProcessRevision() const;
+    [[nodiscard]] u32_le GetUserRevision() const;
+    [[nodiscard]] u32_le GetProcessRevision() const;
 
-    bool IsAdpcmLoopContextBugFixed() const;
-    bool IsSplitterSupported() const;
-    bool IsLongSizePreDelaySupported() const;
-    bool IsAudioRendererProcessingTimeLimit80PercentSupported() const;
-    bool IsAudioRendererProcessingTimeLimit75PercentSupported() const;
-    bool IsAudioRendererProcessingTimeLimit70PercentSupported() const;
-    bool IsElapsedFrameCountSupported() const;
-    bool IsMemoryPoolForceMappingEnabled() const;
-    bool IsFlushVoiceWaveBuffersSupported() const;
-    bool IsVoicePlayedSampleCountResetAtLoopPointSupported() const;
-    bool IsVoicePitchAndSrcSkippedSupported() const;
-    bool IsMixInParameterDirtyOnlyUpdateSupported() const;
-    bool IsSplitterBugFixed() const;
+    [[nodiscard]] bool IsAdpcmLoopContextBugFixed() const;
+    [[nodiscard]] bool IsSplitterSupported() const;
+    [[nodiscard]] bool IsLongSizePreDelaySupported() const;
+    [[nodiscard]] bool IsAudioRendererProcessingTimeLimit80PercentSupported() const;
+    [[nodiscard]] bool IsAudioRendererProcessingTimeLimit75PercentSupported() const;
+    [[nodiscard]] bool IsAudioRendererProcessingTimeLimit70PercentSupported() const;
+    [[nodiscard]] bool IsElapsedFrameCountSupported() const;
+    [[nodiscard]] bool IsMemoryPoolForceMappingEnabled() const;
+    [[nodiscard]] bool IsFlushVoiceWaveBuffersSupported() const;
+    [[nodiscard]] bool IsVoicePlayedSampleCountResetAtLoopPointSupported() const;
+    [[nodiscard]] bool IsVoicePitchAndSrcSkippedSupported() const;
+    [[nodiscard]] bool IsMixInParameterDirtyOnlyUpdateSupported() const;
+    [[nodiscard]] bool IsSplitterBugFixed() const;
     void CopyErrorInfo(OutParams& dst);
 
 private:

src/audio_core/buffer.h

@@ -18,7 +18,7 @@ class Buffer {
 public:
     using Tag = u64;
 
-    Buffer(Tag tag, std::vector<s16>&& samples) : tag{tag}, samples{std::move(samples)} {}
+    Buffer(Tag tag_, std::vector<s16>&& samples_) : tag{tag_}, samples{std::move(samples_)} {}
 
     /// Returns the raw audio data for the buffer
     std::vector<s16>& GetSamples() {

src/audio_core/command_generator.cpp

@@ -67,12 +67,12 @@ s32 ApplyMixDepop(s32* output, s32 first_sample, s32 delta, s32 sample_count) {
 
 } // namespace
 
-CommandGenerator::CommandGenerator(AudioCommon::AudioRendererParameter& worker_params,
-                                   VoiceContext& voice_context, MixContext& mix_context,
-                                   SplitterContext& splitter_context, EffectContext& effect_context,
-                                   Core::Memory::Memory& memory)
-    : worker_params(worker_params), voice_context(voice_context), mix_context(mix_context),
-      splitter_context(splitter_context), effect_context(effect_context), memory(memory),
+CommandGenerator::CommandGenerator(AudioCommon::AudioRendererParameter& worker_params_,
+                                   VoiceContext& voice_context_, MixContext& mix_context_,
+                                   SplitterContext& splitter_context_,
+                                   EffectContext& effect_context_, Core::Memory::Memory& memory_)
+    : worker_params(worker_params_), voice_context(voice_context_), mix_context(mix_context_),
+      splitter_context(splitter_context_), effect_context(effect_context_), memory(memory_),
       mix_buffer((worker_params.mix_buffer_count + AudioCommon::MAX_CHANNEL_COUNT) *
                  worker_params.sample_count),
       sample_buffer(MIX_BUFFER_SIZE),
@@ -255,7 +255,8 @@ void CommandGenerator::GenerateDataSourceCommand(ServerVoiceInfo& voice_info, Vo
 
 void CommandGenerator::GenerateBiquadFilterCommandForVoice(ServerVoiceInfo& voice_info,
                                                            VoiceState& dsp_state,
-                                                           s32 mix_buffer_count, s32 channel) {
+                                                           [[maybe_unused]] s32 mix_buffer_count,
+                                                           [[maybe_unused]] s32 channel) {
     for (std::size_t i = 0; i < AudioCommon::MAX_BIQUAD_FILTERS; i++) {
         const auto& in_params = voice_info.GetInParams();
         auto& biquad_filter = in_params.biquad_filter[i];
@@ -278,9 +279,12 @@ void CommandGenerator::GenerateBiquadFilterCommandForVoice(ServerVoiceInfo& voic
     }
 }
 
-void AudioCore::CommandGenerator::GenerateBiquadFilterCommand(
-    s32 mix_buffer, const BiquadFilterParameter& params, std::array<s64, 2>& state,
-    std::size_t input_offset, std::size_t output_offset, s32 sample_count, s32 node_id) {
+void CommandGenerator::GenerateBiquadFilterCommand([[maybe_unused]] s32 mix_buffer_id,
+                                                   const BiquadFilterParameter& params,
+                                                   std::array<s64, 2>& state,
+                                                   std::size_t input_offset,
+                                                   std::size_t output_offset, s32 sample_count,
+                                                   s32 node_id) {
     if (dumping_frame) {
         LOG_DEBUG(Audio,
                   "(DSP_TRACE) GenerateBiquadFilterCommand node_id={}, "
@@ -714,7 +718,8 @@ s32 CommandGenerator::DecodePcm16(ServerVoiceInfo& voice_info, VoiceState& dsp_s
 }
 
 s32 CommandGenerator::DecodeAdpcm(ServerVoiceInfo& voice_info, VoiceState& dsp_state,
-                                  s32 sample_count, s32 channel, std::size_t mix_offset) {
+                                  s32 sample_count, [[maybe_unused]] s32 channel,
+                                  std::size_t mix_offset) {
     const auto& in_params = voice_info.GetInParams();
     const auto& wave_buffer = in_params.wave_buffer[dsp_state.wave_buffer_index];
     if (wave_buffer.buffer_address == 0) {

src/audio_core/command_generator.h

@@ -25,10 +25,10 @@ using MixVolumeBuffer = std::array<float, AudioCommon::MAX_MIX_BUFFERS>;
 
 class CommandGenerator {
 public:
-    explicit CommandGenerator(AudioCommon::AudioRendererParameter& worker_params,
-                              VoiceContext& voice_context, MixContext& mix_context,
-                              SplitterContext& splitter_context, EffectContext& effect_context,
-                              Core::Memory::Memory& memory);
+    explicit CommandGenerator(AudioCommon::AudioRendererParameter& worker_params_,
+                              VoiceContext& voice_context_, MixContext& mix_context_,
+                              SplitterContext& splitter_context_, EffectContext& effect_context_,
+                              Core::Memory::Memory& memory_);
     ~CommandGenerator();
 
     void ClearMixBuffers();
@@ -39,13 +39,13 @@ public:
     void PreCommand();
     void PostCommand();
 
-    s32* GetChannelMixBuffer(s32 channel);
-    const s32* GetChannelMixBuffer(s32 channel) const;
-    s32* GetMixBuffer(std::size_t index);
-    const s32* GetMixBuffer(std::size_t index) const;
-    std::size_t GetMixChannelBufferOffset(s32 channel) const;
+    [[nodiscard]] s32* GetChannelMixBuffer(s32 channel);
+    [[nodiscard]] const s32* GetChannelMixBuffer(s32 channel) const;
+    [[nodiscard]] s32* GetMixBuffer(std::size_t index);
+    [[nodiscard]] const s32* GetMixBuffer(std::size_t index) const;
+    [[nodiscard]] std::size_t GetMixChannelBufferOffset(s32 channel) const;
 
-    std::size_t GetTotalMixBufferCount() const;
+    [[nodiscard]] std::size_t GetTotalMixBufferCount() const;
 
 private:
     void GenerateDataSourceCommand(ServerVoiceInfo& voice_info, VoiceState& dsp_state, s32 channel);
@@ -73,7 +73,7 @@ private:
     void GenerateI3dl2ReverbEffectCommand(s32 mix_buffer_offset, EffectBase* info, bool enabled);
     void GenerateBiquadFilterEffectCommand(s32 mix_buffer_offset, EffectBase* info, bool enabled);
     void GenerateAuxCommand(s32 mix_buffer_offset, EffectBase* info, bool enabled);
-    ServerSplitterDestinationData* GetDestinationData(s32 splitter_id, s32 index);
+    [[nodiscard]] ServerSplitterDestinationData* GetDestinationData(s32 splitter_id, s32 index);
 
     s32 WriteAuxBuffer(AuxInfoDSP& dsp_info, VAddr send_buffer, u32 max_samples, const s32* data,
                        u32 sample_count, u32 write_offset, u32 write_count);

src/audio_core/common.h

@@ -22,7 +22,7 @@ constexpr std::size_t MAX_CHANNEL_COUNT = 6;
 constexpr std::size_t MAX_WAVE_BUFFERS = 4;
 constexpr std::size_t MAX_SAMPLE_HISTORY = 4;
 constexpr u32 STREAM_SAMPLE_RATE = 48000;
-constexpr u32 STREAM_NUM_CHANNELS = 6;
+constexpr u32 STREAM_NUM_CHANNELS = 2;
 constexpr s32 NO_SPLITTER = -1;
 constexpr s32 NO_MIX = 0x7fffffff;
 constexpr s32 NO_FINAL_MIX = std::numeric_limits<s32>::min();

src/audio_core/cubeb_sink.cpp

@@ -21,15 +21,16 @@ namespace AudioCore {
 
 class CubebSinkStream final : public SinkStream {
 public:
-    CubebSinkStream(cubeb* ctx, u32 sample_rate, u32 num_channels_, cubeb_devid output_device,
+    CubebSinkStream(cubeb* ctx_, u32 sample_rate, u32 num_channels_, cubeb_devid output_device,
                     const std::string& name)
-        : ctx{ctx}, num_channels{std::min(num_channels_, 6u)}, time_stretch{sample_rate,
-                                                                            num_channels} {
+        : ctx{ctx_}, num_channels{std::min(num_channels_, 6u)}, time_stretch{sample_rate,
+                                                                             num_channels} {
 
         cubeb_stream_params params{};
         params.rate = sample_rate;
         params.channels = num_channels;
         params.format = CUBEB_SAMPLE_S16NE;
+        params.prefs = CUBEB_STREAM_PREF_PERSIST;
         switch (num_channels) {
         case 1:
             params.layout = CUBEB_LAYOUT_MONO;
@@ -192,8 +193,9 @@ SinkStream& CubebSink::AcquireSinkStream(u32 sample_rate, u32 num_channels,
     return *sink_streams.back();
 }
 
-long CubebSinkStream::DataCallback(cubeb_stream* stream, void* user_data, const void* input_buffer,
-                                   void* output_buffer, long num_frames) {
+long CubebSinkStream::DataCallback([[maybe_unused]] cubeb_stream* stream, void* user_data,
+                                   [[maybe_unused]] const void* input_buffer, void* output_buffer,
+                                   long num_frames) {
     auto* impl = static_cast<CubebSinkStream*>(user_data);
     auto* buffer = static_cast<u8*>(output_buffer);
 
@@ -236,7 +238,9 @@ long CubebSinkStream::DataCallback(cubeb_stream* stream, void* user_data, const
     return num_frames;
 }
 
-void CubebSinkStream::StateCallback(cubeb_stream* stream, void* user_data, cubeb_state state) {}
+void CubebSinkStream::StateCallback([[maybe_unused]] cubeb_stream* stream,
+                                    [[maybe_unused]] void* user_data,
+                                    [[maybe_unused]] cubeb_state state) {}
 
 std::vector<std::string> ListCubebSinkDevices() {
     std::vector<std::string> device_list;

src/audio_core/effect_context.cpp

@@ -12,7 +12,7 @@ bool ValidChannelCountForEffect(s32 channel_count) {
 }
 } // namespace
 
-EffectContext::EffectContext(std::size_t effect_count) : effect_count(effect_count) {
+EffectContext::EffectContext(std::size_t effect_count_) : effect_count(effect_count_) {
     effects.reserve(effect_count);
     std::generate_n(std::back_inserter(effects), effect_count,
                     [] { return std::make_unique<EffectStubbed>(); });
@@ -61,13 +61,13 @@ const EffectBase* EffectContext::GetInfo(std::size_t i) const {
     return effects.at(i).get();
 }
 
-EffectStubbed::EffectStubbed() : EffectBase::EffectBase(EffectType::Invalid) {}
+EffectStubbed::EffectStubbed() : EffectBase(EffectType::Invalid) {}
 EffectStubbed::~EffectStubbed() = default;
 
-void EffectStubbed::Update(EffectInfo::InParams& in_params) {}
+void EffectStubbed::Update([[maybe_unused]] EffectInfo::InParams& in_params) {}
 void EffectStubbed::UpdateForCommandGeneration() {}
 
-EffectBase::EffectBase(EffectType effect_type) : effect_type(effect_type) {}
+EffectBase::EffectBase(EffectType effect_type_) : effect_type(effect_type_) {}
 EffectBase::~EffectBase() = default;
 
 UsageState EffectBase::GetUsage() const {
@@ -90,32 +90,32 @@ s32 EffectBase::GetProcessingOrder() const {
     return processing_order;
 }
 
-EffectI3dl2Reverb::EffectI3dl2Reverb() : EffectGeneric::EffectGeneric(EffectType::I3dl2Reverb) {}
+EffectI3dl2Reverb::EffectI3dl2Reverb() : EffectGeneric(EffectType::I3dl2Reverb) {}
 EffectI3dl2Reverb::~EffectI3dl2Reverb() = default;
 
 void EffectI3dl2Reverb::Update(EffectInfo::InParams& in_params) {
-    auto& internal_params = GetParams();
+    auto& params = GetParams();
     const auto* reverb_params = reinterpret_cast<I3dl2ReverbParams*>(in_params.raw.data());
     if (!ValidChannelCountForEffect(reverb_params->max_channels)) {
         UNREACHABLE_MSG("Invalid reverb max channel count {}", reverb_params->max_channels);
         return;
     }
 
-    const auto last_status = internal_params.status;
+    const auto last_status = params.status;
     mix_id = in_params.mix_id;
     processing_order = in_params.processing_order;
-    internal_params = *reverb_params;
+    params = *reverb_params;
     if (!ValidChannelCountForEffect(reverb_params->channel_count)) {
-        internal_params.channel_count = internal_params.max_channels;
+        params.channel_count = params.max_channels;
     }
     enabled = in_params.is_enabled;
     if (last_status != ParameterStatus::Updated) {
-        internal_params.status = last_status;
+        params.status = last_status;
     }
 
     if (in_params.is_new || skipped) {
         usage = UsageState::Initialized;
-        internal_params.status = ParameterStatus::Initialized;
+        params.status = ParameterStatus::Initialized;
         skipped = in_params.buffer_address == 0 || in_params.buffer_size == 0;
     }
 }
@@ -129,15 +129,15 @@ void EffectI3dl2Reverb::UpdateForCommandGeneration() {
     GetParams().status = ParameterStatus::Updated;
 }
 
-EffectBiquadFilter::EffectBiquadFilter() : EffectGeneric::EffectGeneric(EffectType::BiquadFilter) {}
+EffectBiquadFilter::EffectBiquadFilter() : EffectGeneric(EffectType::BiquadFilter) {}
 EffectBiquadFilter::~EffectBiquadFilter() = default;
 
 void EffectBiquadFilter::Update(EffectInfo::InParams& in_params) {
-    auto& internal_params = GetParams();
+    auto& params = GetParams();
     const auto* biquad_params = reinterpret_cast<BiquadFilterParams*>(in_params.raw.data());
     mix_id = in_params.mix_id;
     processing_order = in_params.processing_order;
-    internal_params = *biquad_params;
+    params = *biquad_params;
     enabled = in_params.is_enabled;
 }
 
@@ -150,7 +150,7 @@ void EffectBiquadFilter::UpdateForCommandGeneration() {
     GetParams().status = ParameterStatus::Updated;
 }
 
-EffectAuxInfo::EffectAuxInfo() : EffectGeneric::EffectGeneric(EffectType::Aux) {}
+EffectAuxInfo::EffectAuxInfo() : EffectGeneric(EffectType::Aux) {}
 EffectAuxInfo::~EffectAuxInfo() = default;
 
 void EffectAuxInfo::Update(EffectInfo::InParams& in_params) {
@@ -200,32 +200,32 @@ VAddr EffectAuxInfo::GetRecvBuffer() const {
     return recv_buffer;
 }
 
-EffectDelay::EffectDelay() : EffectGeneric::EffectGeneric(EffectType::Delay) {}
+EffectDelay::EffectDelay() : EffectGeneric(EffectType::Delay) {}
 EffectDelay::~EffectDelay() = default;
 
 void EffectDelay::Update(EffectInfo::InParams& in_params) {
     const auto* delay_params = reinterpret_cast<DelayParams*>(in_params.raw.data());
-    auto& internal_params = GetParams();
+    auto& params = GetParams();
     if (!ValidChannelCountForEffect(delay_params->max_channels)) {
         return;
     }
 
-    const auto last_status = internal_params.status;
+    const auto last_status = params.status;
     mix_id = in_params.mix_id;
     processing_order = in_params.processing_order;
-    internal_params = *delay_params;
+    params = *delay_params;
     if (!ValidChannelCountForEffect(delay_params->channels)) {
-        internal_params.channels = internal_params.max_channels;
+        params.channels = params.max_channels;
     }
     enabled = in_params.is_enabled;
 
     if (last_status != ParameterStatus::Updated) {
-        internal_params.status = last_status;
+        params.status = last_status;
     }
 
     if (in_params.is_new || skipped) {
         usage = UsageState::Initialized;
-        internal_params.status = ParameterStatus::Initialized;
+        params.status = ParameterStatus::Initialized;
         skipped = in_params.buffer_address == 0 || in_params.buffer_size == 0;
     }
 }
@@ -239,7 +239,7 @@ void EffectDelay::UpdateForCommandGeneration() {
     GetParams().status = ParameterStatus::Updated;
 }
 
-EffectBufferMixer::EffectBufferMixer() : EffectGeneric::EffectGeneric(EffectType::BufferMixer) {}
+EffectBufferMixer::EffectBufferMixer() : EffectGeneric(EffectType::BufferMixer) {}
 EffectBufferMixer::~EffectBufferMixer() = default;
 
 void EffectBufferMixer::Update(EffectInfo::InParams& in_params) {
@@ -257,32 +257,32 @@ void EffectBufferMixer::UpdateForCommandGeneration() {
     }
 }
 
-EffectReverb::EffectReverb() : EffectGeneric::EffectGeneric(EffectType::Reverb) {}
+EffectReverb::EffectReverb() : EffectGeneric(EffectType::Reverb) {}
 EffectReverb::~EffectReverb() = default;
 
 void EffectReverb::Update(EffectInfo::InParams& in_params) {
     const auto* reverb_params = reinterpret_cast<ReverbParams*>(in_params.raw.data());
-    auto& internal_params = GetParams();
+    auto& params = GetParams();
     if (!ValidChannelCountForEffect(reverb_params->max_channels)) {
         return;
     }
 
-    const auto last_status = internal_params.status;
+    const auto last_status = params.status;
     mix_id = in_params.mix_id;
     processing_order = in_params.processing_order;
-    internal_params = *reverb_params;
+    params = *reverb_params;
     if (!ValidChannelCountForEffect(reverb_params->channels)) {
-        internal_params.channels = internal_params.max_channels;
+        params.channels = params.max_channels;
     }
     enabled = in_params.is_enabled;
 
     if (last_status != ParameterStatus::Updated) {
-        internal_params.status = last_status;
+        params.status = last_status;
     }
 
     if (in_params.is_new || skipped) {
         usage = UsageState::Initialized;
-        internal_params.status = ParameterStatus::Initialized;
+        params.status = ParameterStatus::Initialized;
         skipped = in_params.buffer_address == 0 || in_params.buffer_size == 0;
     }
 }

src/audio_core/effect_context.h

@@ -184,16 +184,16 @@ struct AuxAddress {
 
 class EffectBase {
 public:
-    explicit EffectBase(EffectType effect_type);
+    explicit EffectBase(EffectType effect_type_);
     virtual ~EffectBase();
 
     virtual void Update(EffectInfo::InParams& in_params) = 0;
     virtual void UpdateForCommandGeneration() = 0;
-    UsageState GetUsage() const;
-    EffectType GetType() const;
-    bool IsEnabled() const;
-    s32 GetMixID() const;
-    s32 GetProcessingOrder() const;
+    [[nodiscard]] UsageState GetUsage() const;
+    [[nodiscard]] EffectType GetType() const;
+    [[nodiscard]] bool IsEnabled() const;
+    [[nodiscard]] s32 GetMixID() const;
+    [[nodiscard]] s32 GetProcessingOrder() const;
 
 protected:
     UsageState usage{UsageState::Invalid};
@@ -206,7 +206,7 @@ protected:
 template <typename T>
 class EffectGeneric : public EffectBase {
 public:
-    explicit EffectGeneric(EffectType effect_type) : EffectBase(effect_type) {}
+    explicit EffectGeneric(EffectType effect_type_) : EffectBase(effect_type_) {}
 
     T& GetParams() {
         return internal_params;
@@ -257,10 +257,10 @@ public:
 
     void Update(EffectInfo::InParams& in_params) override;
     void UpdateForCommandGeneration() override;
-    VAddr GetSendInfo() const;
-    VAddr GetSendBuffer() const;
-    VAddr GetRecvInfo() const;
-    VAddr GetRecvBuffer() const;
+    [[nodiscard]] VAddr GetSendInfo() const;
+    [[nodiscard]] VAddr GetSendBuffer() const;
+    [[nodiscard]] VAddr GetRecvInfo() const;
+    [[nodiscard]] VAddr GetRecvBuffer() const;
 
 private:
     VAddr send_info{};
@@ -306,13 +306,13 @@ private:
 
 class EffectContext {
 public:
-    explicit EffectContext(std::size_t effect_count);
+    explicit EffectContext(std::size_t effect_count_);
     ~EffectContext();
 
-    std::size_t GetCount() const;
-    EffectBase* GetInfo(std::size_t i);
-    EffectBase* RetargetEffect(std::size_t i, EffectType effect);
-    const EffectBase* GetInfo(std::size_t i) const;
+    [[nodiscard]] std::size_t GetCount() const;
+    [[nodiscard]] EffectBase* GetInfo(std::size_t i);
+    [[nodiscard]] EffectBase* RetargetEffect(std::size_t i, EffectType effect);
+    [[nodiscard]] const EffectBase* GetInfo(std::size_t i) const;
 
 private:
     std::size_t effect_count{};

src/audio_core/info_updater.cpp

@@ -14,9 +14,9 @@
 
 namespace AudioCore {
 
-InfoUpdater::InfoUpdater(const std::vector<u8>& in_params, std::vector<u8>& out_params,
-                         BehaviorInfo& behavior_info)
-    : in_params(in_params), out_params(out_params), behavior_info(behavior_info) {
+InfoUpdater::InfoUpdater(const std::vector<u8>& in_params_, std::vector<u8>& out_params_,
+                         BehaviorInfo& behavior_info_)
+    : in_params(in_params_), out_params(out_params_), behavior_info(behavior_info_) {
     ASSERT(
         AudioCommon::CanConsumeBuffer(in_params.size(), 0, sizeof(AudioCommon::UpdateDataHeader)));
     std::memcpy(&input_header, in_params.data(), sizeof(AudioCommon::UpdateDataHeader));
@@ -135,8 +135,8 @@ bool InfoUpdater::UpdateVoiceChannelResources(VoiceContext& voice_context) {
 }
 
 bool InfoUpdater::UpdateVoices(VoiceContext& voice_context,
-                               std::vector<ServerMemoryPoolInfo>& memory_pool_info,
-                               VAddr audio_codec_dsp_addr) {
+                               [[maybe_unused]] std::vector<ServerMemoryPoolInfo>& memory_pool_info,
+                               [[maybe_unused]] VAddr audio_codec_dsp_addr) {
     const auto voice_count = voice_context.GetVoiceCount();
     std::vector<VoiceInfo::InParams> voice_in(voice_count);
     std::vector<VoiceInfo::OutParams> voice_out(voice_count);
@@ -165,28 +165,28 @@ bool InfoUpdater::UpdateVoices(VoiceContext& voice_context,
 
     // Update our voices
     for (std::size_t i = 0; i < voice_count; i++) {
-        auto& in_params = voice_in[i];
-        const auto channel_count = static_cast<std::size_t>(in_params.channel_count);
+        auto& voice_in_params = voice_in[i];
+        const auto channel_count = static_cast<std::size_t>(voice_in_params.channel_count);
         // Skip if it's not currently in use
-        if (!in_params.is_in_use) {
+        if (!voice_in_params.is_in_use) {
             continue;
         }
         // Voice states for each channel
         std::array<VoiceState*, AudioCommon::MAX_CHANNEL_COUNT> voice_states{};
-        ASSERT(static_cast<std::size_t>(in_params.id) < voice_count);
+        ASSERT(static_cast<std::size_t>(voice_in_params.id) < voice_count);
 
         // Grab our current voice info
-        auto& voice_info = voice_context.GetInfo(static_cast<std::size_t>(in_params.id));
+        auto& voice_info = voice_context.GetInfo(static_cast<std::size_t>(voice_in_params.id));
 
         ASSERT(channel_count <= AudioCommon::MAX_CHANNEL_COUNT);
 
         // Get all our channel voice states
         for (std::size_t channel = 0; channel < channel_count; channel++) {
             voice_states[channel] =
-                &voice_context.GetState(in_params.voice_channel_resource_ids[channel]);
+                &voice_context.GetState(voice_in_params.voice_channel_resource_ids[channel]);
         }
 
-        if (in_params.is_new) {
+        if (voice_in_params.is_new) {
             // Default our values for our voice
             voice_info.Initialize();
             if (channel_count == 0 || channel_count > AudioCommon::MAX_CHANNEL_COUNT) {
@@ -200,12 +200,12 @@ bool InfoUpdater::UpdateVoices(VoiceContext& voice_context,
         }
 
         // Update our voice
-        voice_info.UpdateParameters(in_params, behavior_info);
+        voice_info.UpdateParameters(voice_in_params, behavior_info);
         // TODO(ogniK): Handle mapping errors with behavior info based on in params response
 
         // Update our wave buffers
-        voice_info.UpdateWaveBuffers(in_params, voice_states, behavior_info);
-        voice_info.WriteOutStatus(voice_out[i], in_params, voice_states);
+        voice_info.UpdateWaveBuffers(voice_in_params, voice_states, behavior_info);
+        voice_info.WriteOutStatus(voice_out[i], voice_in_params, voice_states);
     }
 
     if (!AudioCommon::CanConsumeBuffer(out_params.size(), output_offset, voice_out_size)) {
@@ -445,7 +445,7 @@ bool InfoUpdater::UpdatePerformanceBuffer() {
     return true;
 }
 
-bool InfoUpdater::UpdateErrorInfo(BehaviorInfo& in_behavior_info) {
+bool InfoUpdater::UpdateErrorInfo([[maybe_unused]] BehaviorInfo& in_behavior_info) {
     const auto total_beahvior_info_out = sizeof(BehaviorInfo::OutParams);
 
     if (!AudioCommon::CanConsumeBuffer(out_params.size(), output_offset, total_beahvior_info_out)) {

src/audio_core/info_updater.h

@@ -21,8 +21,8 @@ class SplitterContext;
 class InfoUpdater {
 public:
     // TODO(ogniK): Pass process handle when we support it
-    InfoUpdater(const std::vector<u8>& in_params, std::vector<u8>& out_params,
-                BehaviorInfo& behavior_info);
+    InfoUpdater(const std::vector<u8>& in_params_, std::vector<u8>& out_params_,
+                BehaviorInfo& behavior_info_);
     ~InfoUpdater();
 
     bool UpdateBehaviorInfo(BehaviorInfo& in_behavior_info);

src/audio_core/memory_pool.cpp

@@ -10,11 +10,10 @@ namespace AudioCore {
 
 ServerMemoryPoolInfo::ServerMemoryPoolInfo() = default;
 ServerMemoryPoolInfo::~ServerMemoryPoolInfo() = default;
-bool ServerMemoryPoolInfo::Update(const ServerMemoryPoolInfo::InParams& in_params,
-                                  ServerMemoryPoolInfo::OutParams& out_params) {
+
+bool ServerMemoryPoolInfo::Update(const InParams& in_params, OutParams& out_params) {
     // Our state does not need to be changed
-    if (in_params.state != ServerMemoryPoolInfo::State::RequestAttach &&
-        in_params.state != ServerMemoryPoolInfo::State::RequestDetach) {
+    if (in_params.state != State::RequestAttach && in_params.state != State::RequestDetach) {
         return true;
     }
 
@@ -32,11 +31,11 @@ bool ServerMemoryPoolInfo::Update(const ServerMemoryPoolInfo::InParams& in_param
         return false;
     }
 
-    if (in_params.state == ServerMemoryPoolInfo::State::RequestAttach) {
+    if (in_params.state == State::RequestAttach) {
         cpu_address = in_params.address;
         size = in_params.size;
         used = true;
-        out_params.state = ServerMemoryPoolInfo::State::Attached;
+        out_params.state = State::Attached;
     } else {
         // Unexpected address
         if (cpu_address != in_params.address) {
@@ -54,7 +53,7 @@ bool ServerMemoryPoolInfo::Update(const ServerMemoryPoolInfo::InParams& in_param
         cpu_address = 0;
         size = 0;
         used = false;
-        out_params.state = ServerMemoryPoolInfo::State::Detached;
+        out_params.state = State::Detached;
     }
     return true;
 }

src/audio_core/memory_pool.h

@@ -28,19 +28,18 @@ public:
     struct InParams {
         u64_le address{};
         u64_le size{};
-        ServerMemoryPoolInfo::State state{};
+        State state{};
         INSERT_PADDING_WORDS(3);
     };
-    static_assert(sizeof(ServerMemoryPoolInfo::InParams) == 0x20, "InParams are an invalid size");
+    static_assert(sizeof(InParams) == 0x20, "InParams are an invalid size");
 
     struct OutParams {
-        ServerMemoryPoolInfo::State state{};
+        State state{};
         INSERT_PADDING_WORDS(3);
     };
-    static_assert(sizeof(ServerMemoryPoolInfo::OutParams) == 0x10, "OutParams are an invalid size");
+    static_assert(sizeof(OutParams) == 0x10, "OutParams are an invalid size");
 
-    bool Update(const ServerMemoryPoolInfo::InParams& in_params,
-                ServerMemoryPoolInfo::OutParams& out_params);
+    bool Update(const InParams& in_params, OutParams& out_params);
 
 private:
     // There's another entry here which is the DSP address, however since we're not talking to the

src/audio_core/mix_context.h

@@ -62,17 +62,17 @@ public:
     ServerMixInfo();
     ~ServerMixInfo();
 
-    const ServerMixInfo::InParams& GetInParams() const;
-    ServerMixInfo::InParams& GetInParams();
+    [[nodiscard]] const ServerMixInfo::InParams& GetInParams() const;
+    [[nodiscard]] ServerMixInfo::InParams& GetInParams();
 
     bool Update(EdgeMatrix& edge_matrix, const MixInfo::InParams& mix_in,
                 BehaviorInfo& behavior_info, SplitterContext& splitter_context,
                 EffectContext& effect_context);
-    bool HasAnyConnection() const;
+    [[nodiscard]] bool HasAnyConnection() const;
     void Cleanup();
     void SetEffectCount(std::size_t count);
     void ResetEffectProcessingOrder();
-    s32 GetEffectOrder(std::size_t i) const;
+    [[nodiscard]] s32 GetEffectOrder(std::size_t i) const;
 
 private:
     std::vector<s32> effect_processing_order;
@@ -91,15 +91,15 @@ public:
     void SortInfo();
     bool TsortInfo(SplitterContext& splitter_context);
 
-    std::size_t GetCount() const;
-    ServerMixInfo& GetInfo(std::size_t i);
-    const ServerMixInfo& GetInfo(std::size_t i) const;
-    ServerMixInfo& GetSortedInfo(std::size_t i);
-    const ServerMixInfo& GetSortedInfo(std::size_t i) const;
-    ServerMixInfo& GetFinalMixInfo();
-    const ServerMixInfo& GetFinalMixInfo() const;
-    EdgeMatrix& GetEdgeMatrix();
-    const EdgeMatrix& GetEdgeMatrix() const;
+    [[nodiscard]] std::size_t GetCount() const;
+    [[nodiscard]] ServerMixInfo& GetInfo(std::size_t i);
+    [[nodiscard]] const ServerMixInfo& GetInfo(std::size_t i) const;
+    [[nodiscard]] ServerMixInfo& GetSortedInfo(std::size_t i);
+    [[nodiscard]] const ServerMixInfo& GetSortedInfo(std::size_t i) const;
+    [[nodiscard]] ServerMixInfo& GetFinalMixInfo();
+    [[nodiscard]] const ServerMixInfo& GetFinalMixInfo() const;
+    [[nodiscard]] EdgeMatrix& GetEdgeMatrix();
+    [[nodiscard]] const EdgeMatrix& GetEdgeMatrix() const;
 
 private:
     void CalcMixBufferOffset();

src/audio_core/sink_context.cpp

@@ -5,17 +5,23 @@
 #include "audio_core/sink_context.h"
 
 namespace AudioCore {
-SinkContext::SinkContext(std::size_t sink_count) : sink_count(sink_count) {}
+SinkContext::SinkContext(std::size_t sink_count_) : sink_count{sink_count_} {}
 SinkContext::~SinkContext() = default;
 
 std::size_t SinkContext::GetCount() const {
     return sink_count;
 }
 
-void SinkContext::UpdateMainSink(SinkInfo::InParams& in) {
+void SinkContext::UpdateMainSink(const SinkInfo::InParams& in) {
+    ASSERT(in.type == SinkTypes::Device);
+
+    has_downmix_coefs = in.device.down_matrix_enabled;
+    if (has_downmix_coefs) {
+        downmix_coefficients = in.device.down_matrix_coef;
+    }
     in_use = in.in_use;
     use_count = in.device.input_count;
-    std::memcpy(buffers.data(), in.device.input.data(), AudioCommon::MAX_CHANNEL_COUNT);
+    buffers = in.device.input;
 }
 
 bool SinkContext::InUse() const {
@@ -28,4 +34,12 @@ std::vector<u8> SinkContext::OutputBuffers() const {
     return buffer_ret;
 }
 
+bool SinkContext::HasDownMixingCoefficients() const {
+    return has_downmix_coefs;
+}
+
+const DownmixCoefficients& SinkContext::GetDownmixCoefficients() const {
+    return downmix_coefficients;
+}
+
 } // namespace AudioCore

src/audio_core/sink_context.h

@@ -11,6 +11,8 @@
 
 namespace AudioCore {
 
+using DownmixCoefficients = std::array<float_le, 4>;
+
 enum class SinkTypes : u8 {
     Invalid = 0,
     Device = 1,
@@ -40,7 +42,7 @@ public:
         bool in_use;
         INSERT_UNION_PADDING_BYTES(5);
     };
-    static_assert(sizeof(SinkInfo::CircularBufferIn) == 0x28,
+    static_assert(sizeof(CircularBufferIn) == 0x28,
                   "SinkInfo::CircularBufferIn is in invalid size");
 
     struct DeviceIn {
@@ -50,9 +52,9 @@ public:
         std::array<u8, AudioCommon::MAX_CHANNEL_COUNT> input;
         INSERT_UNION_PADDING_BYTES(1);
         bool down_matrix_enabled;
-        std::array<float_le, 4> down_matrix_coef;
+        DownmixCoefficients down_matrix_coef;
     };
-    static_assert(sizeof(SinkInfo::DeviceIn) == 0x11c, "SinkInfo::DeviceIn is an invalid size");
+    static_assert(sizeof(DeviceIn) == 0x11c, "SinkInfo::DeviceIn is an invalid size");
 
     struct InParams {
         SinkTypes type{};
@@ -62,28 +64,33 @@ public:
         INSERT_PADDING_WORDS(6);
         union {
             // std::array<u8, 0x120> raw{};
-            SinkInfo::DeviceIn device;
-            SinkInfo::CircularBufferIn circular_buffer;
+            DeviceIn device;
+            CircularBufferIn circular_buffer;
         };
     };
-    static_assert(sizeof(SinkInfo::InParams) == 0x140, "SinkInfo::InParams are an invalid size!");
+    static_assert(sizeof(InParams) == 0x140, "SinkInfo::InParams are an invalid size!");
 };
 
 class SinkContext {
 public:
-    explicit SinkContext(std::size_t sink_count);
+    explicit SinkContext(std::size_t sink_count_);
     ~SinkContext();
 
-    std::size_t GetCount() const;
+    [[nodiscard]] std::size_t GetCount() const;
 
-    void UpdateMainSink(SinkInfo::InParams& in);
-    bool InUse() const;
-    std::vector<u8> OutputBuffers() const;
+    void UpdateMainSink(const SinkInfo::InParams& in);
+    [[nodiscard]] bool InUse() const;
+    [[nodiscard]] std::vector<u8> OutputBuffers() const;
+
+    [[nodiscard]] bool HasDownMixingCoefficients() const;
+    [[nodiscard]] const DownmixCoefficients& GetDownmixCoefficients() const;
 
 private:
     bool in_use{false};
     s32 use_count{};
     std::array<u8, AudioCommon::MAX_CHANNEL_COUNT> buffers{};
     std::size_t sink_count{};
+    bool has_downmix_coefs{false};
+    DownmixCoefficients downmix_coefficients{};
 };
 } // namespace AudioCore

src/audio_core/splitter_context.cpp

@@ -10,7 +10,7 @@
 
 namespace AudioCore {
 
-ServerSplitterDestinationData::ServerSplitterDestinationData(s32 id) : id(id) {}
+ServerSplitterDestinationData::ServerSplitterDestinationData(s32 id_) : id{id_} {}
 ServerSplitterDestinationData::~ServerSplitterDestinationData() = default;
 
 void ServerSplitterDestinationData::Update(SplitterInfo::InDestinationParams& header) {
@@ -87,7 +87,7 @@ void ServerSplitterDestinationData::UpdateInternalState() {
     needs_update = false;
 }
 
-ServerSplitterInfo::ServerSplitterInfo(s32 id) : id(id) {}
+ServerSplitterInfo::ServerSplitterInfo(s32 id_) : id(id_) {}
 ServerSplitterInfo::~ServerSplitterInfo() = default;
 
 void ServerSplitterInfo::InitializeInfos() {
@@ -121,7 +121,7 @@ const ServerSplitterDestinationData* ServerSplitterInfo::GetHead() const {
 }
 
 ServerSplitterDestinationData* ServerSplitterInfo::GetData(std::size_t depth) {
-    auto current_head = head;
+    auto* current_head = head;
     for (std::size_t i = 0; i < depth; i++) {
         if (current_head == nullptr) {
             return nullptr;
@@ -132,7 +132,7 @@ ServerSplitterDestinationData* ServerSplitterInfo::GetData(std::size_t depth) {
 }
 
 const ServerSplitterDestinationData* ServerSplitterInfo::GetData(std::size_t depth) const {
-    auto current_head = head;
+    auto* current_head = head;
     for (std::size_t i = 0; i < depth; i++) {
         if (current_head == nullptr) {
             return nullptr;
@@ -245,7 +245,7 @@ ServerSplitterDestinationData* SplitterContext::GetDestinationData(std::size_t i
 const ServerSplitterDestinationData* SplitterContext::GetDestinationData(std::size_t info,
                                                                          std::size_t data) const {
     ASSERT(info < info_count);
-    auto& cur_info = GetInfo(info);
+    const auto& cur_info = GetInfo(info);
     return cur_info.GetData(data);
 }
 
@@ -267,11 +267,11 @@ std::size_t SplitterContext::GetDataCount() const {
     return data_count;
 }
 
-void SplitterContext::Setup(std::size_t _info_count, std::size_t _data_count,
+void SplitterContext::Setup(std::size_t info_count_, std::size_t data_count_,
                             bool is_splitter_bug_fixed) {
 
-    info_count = _info_count;
-    data_count = _data_count;
+    info_count = info_count_;
+    data_count = data_count_;
 
     for (std::size_t i = 0; i < info_count; i++) {
         auto& splitter = infos.emplace_back(static_cast<s32>(i));
@@ -364,7 +364,7 @@ bool SplitterContext::RecomposeDestination(ServerSplitterInfo& info,
     // Clear our current destinations
     auto* current_head = info.GetHead();
     while (current_head != nullptr) {
-        auto next_head = current_head->GetNextDestination();
+        auto* next_head = current_head->GetNextDestination();
         current_head->SetNextDestination(nullptr);
         current_head = next_head;
     }
@@ -471,8 +471,8 @@ bool NodeStates::DepthFirstSearch(EdgeMatrix& edge_matrix) {
                 continue;
             }
 
-            const auto node_count = edge_matrix.GetNodeCount();
-            for (s32 j = 0; j < static_cast<s32>(node_count); j++) {
+            const auto edge_node_count = edge_matrix.GetNodeCount();
+            for (s32 j = 0; j < static_cast<s32>(edge_node_count); j++) {
                 // Check if our node is connected to our edge matrix
                 if (!edge_matrix.Connected(current_stack_index, j)) {
                     continue;

src/audio_core/splitter_context.h

@@ -63,7 +63,7 @@ public:
     NodeStates();
     ~NodeStates();
 
-    void Initialize(std::size_t _node_count);
+    void Initialize(std::size_t node_count_);
     bool Tsort(EdgeMatrix& edge_matrix);
     std::size_t GetIndexPos() const;
     const std::vector<s32>& GetIndexList() const;
@@ -72,15 +72,15 @@ private:
     void PushTsortResult(s32 index);
     bool DepthFirstSearch(EdgeMatrix& edge_matrix);
     void ResetState();
-    void UpdateState(NodeStates::State state, std::size_t i);
-    NodeStates::State GetState(std::size_t i);
+    void UpdateState(State state, std::size_t i);
+    State GetState(std::size_t i);
 
     std::size_t node_count{};
     std::vector<bool> was_node_found{};
     std::vector<bool> was_node_completed{};
     std::size_t index_pos{};
     std::vector<s32> index_list{};
-    NodeStates::Stack index_stack{};
+    Stack index_stack{};
 };
 
 enum class SplitterMagic : u32_le {
@@ -97,8 +97,7 @@ public:
         s32_le data_count{};
         INSERT_PADDING_WORDS(5);
     };
-    static_assert(sizeof(SplitterInfo::InHeader) == 0x20,
-                  "SplitterInfo::InHeader is an invalid size");
+    static_assert(sizeof(InHeader) == 0x20, "SplitterInfo::InHeader is an invalid size");
 
     struct InInfoPrams {
         SplitterMagic magic{};
@@ -107,8 +106,7 @@ public:
         s32_le length{};
         s32_le resource_id_base{};
     };
-    static_assert(sizeof(SplitterInfo::InInfoPrams) == 0x14,
-                  "SplitterInfo::InInfoPrams is an invalid size");
+    static_assert(sizeof(InInfoPrams) == 0x14, "SplitterInfo::InInfoPrams is an invalid size");
 
     struct InDestinationParams {
         SplitterMagic magic{};
@@ -118,13 +116,13 @@ public:
         bool in_use{};
         INSERT_PADDING_BYTES(3);
     };
-    static_assert(sizeof(SplitterInfo::InDestinationParams) == 0x70,
+    static_assert(sizeof(InDestinationParams) == 0x70,
                   "SplitterInfo::InDestinationParams is an invalid size");
 };
 
 class ServerSplitterDestinationData {
 public:
-    explicit ServerSplitterDestinationData(s32 id);
+    explicit ServerSplitterDestinationData(s32 id_);
     ~ServerSplitterDestinationData();
 
     void Update(SplitterInfo::InDestinationParams& header);
@@ -153,7 +151,7 @@ private:
 
 class ServerSplitterInfo {
 public:
-    explicit ServerSplitterInfo(s32 id);
+    explicit ServerSplitterInfo(s32 id_);
     ~ServerSplitterInfo();
 
     void InitializeInfos();

src/audio_core/stream.cpp

@@ -31,10 +31,10 @@ u32 Stream::GetNumChannels() const {
     return {};
 }
 
-Stream::Stream(Core::Timing::CoreTiming& core_timing, u32 sample_rate, Format format,
-               ReleaseCallback&& release_callback, SinkStream& sink_stream, std::string&& name_)
-    : sample_rate{sample_rate}, format{format}, release_callback{std::move(release_callback)},
-      sink_stream{sink_stream}, core_timing{core_timing}, name{std::move(name_)} {
+Stream::Stream(Core::Timing::CoreTiming& core_timing_, u32 sample_rate_, Format format_,
+               ReleaseCallback&& release_callback_, SinkStream& sink_stream_, std::string&& name_)
+    : 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::CreateEvent(name, [this](std::uintptr_t, std::chrono::nanoseconds ns_late) {
             ReleaseActiveBuffer(ns_late);
@@ -122,7 +122,7 @@ bool Stream::QueueBuffer(BufferPtr&& buffer) {
     return false;
 }
 
-bool Stream::ContainsBuffer(Buffer::Tag tag) const {
+bool Stream::ContainsBuffer([[maybe_unused]] Buffer::Tag tag) const {
     UNIMPLEMENTED();
     return {};
 }
@@ -136,4 +136,14 @@ std::vector<Buffer::Tag> Stream::GetTagsAndReleaseBuffers(std::size_t max_count)
     return tags;
 }
 
+std::vector<Buffer::Tag> Stream::GetTagsAndReleaseBuffers() {
+    std::vector<Buffer::Tag> tags;
+    tags.reserve(released_buffers.size());
+    while (!released_buffers.empty()) {
+        tags.push_back(released_buffers.front()->GetTag());
+        released_buffers.pop();
+    }
+    return tags;
+}
+
 } // namespace AudioCore

src/audio_core/stream.h

@@ -44,8 +44,8 @@ public:
     /// Callback function type, used to change guest state on a buffer being released
     using ReleaseCallback = std::function<void()>;
 
-    Stream(Core::Timing::CoreTiming& core_timing, u32 sample_rate, Format format,
-           ReleaseCallback&& release_callback, SinkStream& sink_stream, std::string&& name_);
+    Stream(Core::Timing::CoreTiming& core_timing_, u32 sample_rate_, Format format_,
+           ReleaseCallback&& release_callback_, SinkStream& sink_stream_, std::string&& name_);
 
     /// Plays the audio stream
     void Play();
@@ -57,37 +57,40 @@ public:
     bool QueueBuffer(BufferPtr&& buffer);
 
     /// Returns true if the audio stream contains a buffer with the specified tag
-    bool ContainsBuffer(Buffer::Tag tag) const;
+    [[nodiscard]] bool ContainsBuffer(Buffer::Tag tag) const;
 
     /// Returns a vector of recently released buffers specified by tag
-    std::vector<Buffer::Tag> GetTagsAndReleaseBuffers(std::size_t max_count);
+    [[nodiscard]] std::vector<Buffer::Tag> GetTagsAndReleaseBuffers(std::size_t max_count);
+
+    /// Returns a vector of all recently released buffers specified by tag
+    [[nodiscard]] std::vector<Buffer::Tag> GetTagsAndReleaseBuffers();
 
     void SetVolume(float volume);
 
-    float GetVolume() const {
+    [[nodiscard]] float GetVolume() const {
         return game_volume;
     }
 
     /// Returns true if the stream is currently playing
-    bool IsPlaying() const {
+    [[nodiscard]] bool IsPlaying() const {
         return state == State::Playing;
     }
 
     /// Returns the number of queued buffers
-    std::size_t GetQueueSize() const {
+    [[nodiscard]] std::size_t GetQueueSize() const {
         return queued_buffers.size();
     }
 
     /// Gets the sample rate
-    u32 GetSampleRate() const {
+    [[nodiscard]] u32 GetSampleRate() const {
         return sample_rate;
     }
 
     /// Gets the number of channels
-    u32 GetNumChannels() const;
+    [[nodiscard]] u32 GetNumChannels() const;
 
     /// Get the state
-    State GetState() const;
+    [[nodiscard]] State GetState() const;
 
 private:
     /// Plays the next queued buffer in the audio stream, starting playback if necessary
@@ -97,7 +100,7 @@ private:
     void ReleaseActiveBuffer(std::chrono::nanoseconds ns_late = {});
 
     /// Gets the number of core cycles when the specified buffer will be released
-    std::chrono::nanoseconds GetBufferReleaseNS(const Buffer& buffer) const;
+    [[nodiscard]] std::chrono::nanoseconds GetBufferReleaseNS(const Buffer& buffer) const;
 
     u32 sample_rate;                  ///< Sample rate of the stream
     Format format;                    ///< Format of the stream

src/audio_core/voice_context.cpp

@@ -8,7 +8,7 @@
 
 namespace AudioCore {
 
-ServerVoiceChannelResource::ServerVoiceChannelResource(s32 id) : id(id) {}
+ServerVoiceChannelResource::ServerVoiceChannelResource(s32 id_) : id(id_) {}
 ServerVoiceChannelResource::~ServerVoiceChannelResource() = default;
 
 bool ServerVoiceChannelResource::InUse() const {
@@ -209,7 +209,8 @@ void ServerVoiceInfo::UpdateWaveBuffers(
 
 void ServerVoiceInfo::UpdateWaveBuffer(ServerWaveBuffer& out_wavebuffer,
                                        const WaveBuffer& in_wave_buffer, SampleFormat sample_format,
-                                       bool is_buffer_valid, BehaviorInfo& behavior_info) {
+                                       bool is_buffer_valid,
+                                       [[maybe_unused]] BehaviorInfo& behavior_info) {
     if (!is_buffer_valid && out_wavebuffer.sent_to_dsp) {
         out_wavebuffer.buffer_address = 0;
         out_wavebuffer.buffer_size = 0;
@@ -400,7 +401,7 @@ bool ServerVoiceInfo::HasValidWaveBuffer(const VoiceState* state) const {
     return std::find(valid_wb.begin(), valid_wb.end(), true) != valid_wb.end();
 }
 
-VoiceContext::VoiceContext(std::size_t voice_count) : voice_count(voice_count) {
+VoiceContext::VoiceContext(std::size_t voice_count_) : voice_count{voice_count_} {
     for (std::size_t i = 0; i < voice_count; i++) {
         voice_channel_resources.emplace_back(static_cast<s32>(i));
         sorted_voice_info.push_back(&voice_info.emplace_back());

src/audio_core/voice_context.h

@@ -118,12 +118,12 @@ public:
         bool in_use{};
         INSERT_PADDING_BYTES(11);
     };
-    static_assert(sizeof(VoiceChannelResource::InParams) == 0x70, "InParams is an invalid size");
+    static_assert(sizeof(InParams) == 0x70, "InParams is an invalid size");
 };
 
 class ServerVoiceChannelResource {
 public:
-    explicit ServerVoiceChannelResource(s32 id);
+    explicit ServerVoiceChannelResource(s32 id_);
     ~ServerVoiceChannelResource();
 
     bool InUse() const;
@@ -174,7 +174,7 @@ public:
         BehaviorFlags behavior_flags{};
         INSERT_PADDING_BYTES(16);
     };
-    static_assert(sizeof(VoiceInfo::InParams) == 0x170, "InParams is an invalid size");
+    static_assert(sizeof(InParams) == 0x170, "InParams is an invalid size");
 
     struct OutParams {
         u64_le played_sample_count{};
@@ -182,7 +182,7 @@ public:
         u8 voice_dropped{};
         INSERT_PADDING_BYTES(3);
     };
-    static_assert(sizeof(VoiceInfo::OutParams) == 0x10, "OutParams is an invalid size");
+    static_assert(sizeof(OutParams) == 0x10, "OutParams is an invalid size");
 };
 
 class ServerVoiceInfo {
@@ -263,7 +263,7 @@ private:
 
 class VoiceContext {
 public:
-    VoiceContext(std::size_t voice_count);
+    explicit VoiceContext(std::size_t voice_count_);
     ~VoiceContext();
 
     std::size_t GetVoiceCount() const;

src/common/CMakeLists.txt

@@ -112,6 +112,7 @@ add_library(common STATIC
     common_paths.h
     common_types.h
     concepts.h
+    div_ceil.h
     dynamic_library.cpp
     dynamic_library.h
     fiber.cpp

src/common/div_ceil.h

@@ -0,0 +1,26 @@
+// Copyright 2020 yuzu emulator team
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <cstddef>
+#include <type_traits>
+
+namespace Common {
+
+/// Ceiled integer division.
+template <typename N, typename D>
+requires std::is_integral_v<N>&& std::is_unsigned_v<D>[[nodiscard]] constexpr auto DivCeil(
+    N number, D divisor) {
+    return (static_cast<D>(number) + divisor - 1) / divisor;
+}
+
+/// Ceiled integer division with logarithmic divisor in base 2
+template <typename N, typename D>
+requires std::is_integral_v<N>&& std::is_unsigned_v<D>[[nodiscard]] constexpr auto DivCeilLog2(
+    N value, D alignment_log2) {
+    return (static_cast<D>(value) + (D(1) << alignment_log2) - 1) >> alignment_log2;
+}
+
+} // namespace Common

src/common/fiber.cpp

@@ -5,18 +5,20 @@
 #include "common/assert.h"
 #include "common/fiber.h"
 #include "common/spin_lock.h"
+#include "common/virtual_buffer.h"
 
-#if defined(_WIN32) || defined(WIN32)
-#include <windows.h>
-#else
 #include <boost/context/detail/fcontext.hpp>
-#endif
 
 namespace Common {
 
-constexpr std::size_t default_stack_size = 256 * 1024; // 256kb
+constexpr std::size_t default_stack_size = 256 * 1024;
 
 struct Fiber::FiberImpl {
+    FiberImpl() : stack{default_stack_size}, rewind_stack{default_stack_size} {}
+
+    VirtualBuffer<u8> stack;
+    VirtualBuffer<u8> rewind_stack;
+
     SpinLock guard{};
     std::function<void(void*)> entry_point;
     std::function<void(void*)> rewind_point;
@@ -26,17 +28,10 @@ struct Fiber::FiberImpl {
     bool is_thread_fiber{};
     bool released{};
 
-#if defined(_WIN32) || defined(WIN32)
-    LPVOID handle = nullptr;
-    LPVOID rewind_handle = nullptr;
-#else
-    alignas(64) std::array<u8, default_stack_size> stack;
-    alignas(64) std::array<u8, default_stack_size> rewind_stack;
-    u8* stack_limit;
-    u8* rewind_stack_limit;
-    boost::context::detail::fcontext_t context;
-    boost::context::detail::fcontext_t rewind_context;
-#endif
+    u8* stack_limit{};
+    u8* rewind_stack_limit{};
+    boost::context::detail::fcontext_t context{};
+    boost::context::detail::fcontext_t rewind_context{};
 };
 
 void Fiber::SetStartParameter(void* new_parameter) {
@@ -48,95 +43,6 @@ void Fiber::SetRewindPoint(std::function<void(void*)>&& rewind_func, void* rewin
     impl->rewind_parameter = rewind_param;
 }
 
-#if defined(_WIN32) || defined(WIN32)
-
-void Fiber::Start() {
-    ASSERT(impl->previous_fiber != nullptr);
-    impl->previous_fiber->impl->guard.unlock();
-    impl->previous_fiber.reset();
-    impl->entry_point(impl->start_parameter);
-    UNREACHABLE();
-}
-
-void Fiber::OnRewind() {
-    ASSERT(impl->handle != nullptr);
-    DeleteFiber(impl->handle);
-    impl->handle = impl->rewind_handle;
-    impl->rewind_handle = nullptr;
-    impl->rewind_point(impl->rewind_parameter);
-    UNREACHABLE();
-}
-
-void Fiber::FiberStartFunc(void* fiber_parameter) {
-    auto* fiber = static_cast<Fiber*>(fiber_parameter);
-    fiber->Start();
-}
-
-void Fiber::RewindStartFunc(void* fiber_parameter) {
-    auto* fiber = static_cast<Fiber*>(fiber_parameter);
-    fiber->OnRewind();
-}
-
-Fiber::Fiber(std::function<void(void*)>&& entry_point_func, void* start_parameter)
-    : impl{std::make_unique<FiberImpl>()} {
-    impl->entry_point = std::move(entry_point_func);
-    impl->start_parameter = start_parameter;
-    impl->handle = CreateFiber(default_stack_size, &FiberStartFunc, this);
-}
-
-Fiber::Fiber() : impl{std::make_unique<FiberImpl>()} {}
-
-Fiber::~Fiber() {
-    if (impl->released) {
-        return;
-    }
-    // Make sure the Fiber is not being used
-    const bool locked = impl->guard.try_lock();
-    ASSERT_MSG(locked, "Destroying a fiber that's still running");
-    if (locked) {
-        impl->guard.unlock();
-    }
-    DeleteFiber(impl->handle);
-}
-
-void Fiber::Exit() {
-    ASSERT_MSG(impl->is_thread_fiber, "Exitting non main thread fiber");
-    if (!impl->is_thread_fiber) {
-        return;
-    }
-    ConvertFiberToThread();
-    impl->guard.unlock();
-    impl->released = true;
-}
-
-void Fiber::Rewind() {
-    ASSERT(impl->rewind_point);
-    ASSERT(impl->rewind_handle == nullptr);
-    impl->rewind_handle = CreateFiber(default_stack_size, &RewindStartFunc, this);
-    SwitchToFiber(impl->rewind_handle);
-}
-
-void Fiber::YieldTo(std::shared_ptr<Fiber> from, std::shared_ptr<Fiber> to) {
-    ASSERT_MSG(from != nullptr, "Yielding fiber is null!");
-    ASSERT_MSG(to != nullptr, "Next fiber is null!");
-    to->impl->guard.lock();
-    to->impl->previous_fiber = from;
-    SwitchToFiber(to->impl->handle);
-    ASSERT(from->impl->previous_fiber != nullptr);
-    from->impl->previous_fiber->impl->guard.unlock();
-    from->impl->previous_fiber.reset();
-}
-
-std::shared_ptr<Fiber> Fiber::ThreadToFiber() {
-    std::shared_ptr<Fiber> fiber = std::shared_ptr<Fiber>{new Fiber()};
-    fiber->impl->guard.lock();
-    fiber->impl->handle = ConvertThreadToFiber(nullptr);
-    fiber->impl->is_thread_fiber = true;
-    return fiber;
-}
-
-#else
-
 void Fiber::Start(boost::context::detail::transfer_t& transfer) {
     ASSERT(impl->previous_fiber != nullptr);
     impl->previous_fiber->impl->context = transfer.fctx;
@@ -229,5 +135,4 @@ std::shared_ptr<Fiber> Fiber::ThreadToFiber() {
     return fiber;
 }
 
-#endif
 } // namespace Common

src/common/fiber.h

@@ -7,11 +7,9 @@
 #include <functional>
 #include <memory>
 
-#if !defined(_WIN32) && !defined(WIN32)
 namespace boost::context::detail {
 struct transfer_t;
 }
-#endif
 
 namespace Common {
 
@@ -59,17 +57,10 @@ public:
 private:
     Fiber();
 
-#if defined(_WIN32) || defined(WIN32)
-    void OnRewind();
-    void Start();
-    static void FiberStartFunc(void* fiber_parameter);
-    static void RewindStartFunc(void* fiber_parameter);
-#else
     void OnRewind(boost::context::detail::transfer_t& transfer);
     void Start(boost::context::detail::transfer_t& transfer);
     static void FiberStartFunc(boost::context::detail::transfer_t transfer);
     static void RewindStartFunc(boost::context::detail::transfer_t transfer);
-#endif
 
     struct FiberImpl;
     std::unique_ptr<FiberImpl> impl;

src/common/file_util.cpp

@@ -3,6 +3,7 @@
 // Refer to the license.txt file included.
 
 #include <array>
+#include <filesystem>
 #include <limits>
 #include <memory>
 #include <sstream>
@@ -67,290 +68,102 @@
 #include <algorithm>
 #include <sys/stat.h>
 
-#ifndef S_ISDIR
-#define S_ISDIR(m) (((m)&S_IFMT) == S_IFDIR)
-#endif
-
-// This namespace has various generic functions related to files and paths.
-// The code still needs a ton of cleanup.
-// REMEMBER: strdup considered harmful!
 namespace Common::FS {
+namespace fs = std::filesystem;
 
-// Remove any ending forward slashes from directory paths
-// Modifies argument.
-static void StripTailDirSlashes(std::string& fname) {
-    if (fname.length() <= 1) {
-        return;
-    }
-
-    std::size_t i = fname.length();
-    while (i > 0 && fname[i - 1] == DIR_SEP_CHR) {
-        --i;
-    }
-    fname.resize(i);
+bool Exists(const fs::path& path) {
+    std::error_code ec;
+    return fs::exists(path, ec);
 }
 
-bool Exists(const std::string& filename) {
-    struct stat file_info;
-
-    std::string copy(filename);
-    StripTailDirSlashes(copy);
-
-#ifdef _WIN32
-    // Windows needs a slash to identify a driver root
-    if (copy.size() != 0 && copy.back() == ':')
-        copy += DIR_SEP_CHR;
-
-    int result = _wstat64(Common::UTF8ToUTF16W(copy).c_str(), &file_info);
-#else
-    int result = stat(copy.c_str(), &file_info);
-#endif
-
-    return (result == 0);
+bool IsDirectory(const fs::path& path) {
+    std::error_code ec;
+    return fs::is_directory(path, ec);
 }
 
-bool IsDirectory(const std::string& filename) {
-    struct stat file_info;
-
-    std::string copy(filename);
-    StripTailDirSlashes(copy);
-
-#ifdef _WIN32
-    // Windows needs a slash to identify a driver root
-    if (copy.size() != 0 && copy.back() == ':')
-        copy += DIR_SEP_CHR;
-
-    int result = _wstat64(Common::UTF8ToUTF16W(copy).c_str(), &file_info);
-#else
-    int result = stat(copy.c_str(), &file_info);
-#endif
-
-    if (result < 0) {
-        LOG_DEBUG(Common_Filesystem, "stat failed on {}: {}", filename, GetLastErrorMsg());
-        return false;
-    }
-
-    return S_ISDIR(file_info.st_mode);
-}
-
-bool Delete(const std::string& filename) {
-    LOG_TRACE(Common_Filesystem, "file {}", filename);
+bool Delete(const fs::path& path) {
+    LOG_TRACE(Common_Filesystem, "file {}", path.string());
 
     // Return true because we care about the file no
     // being there, not the actual delete.
-    if (!Exists(filename)) {
-        LOG_DEBUG(Common_Filesystem, "{} does not exist", filename);
+    if (!Exists(path)) {
+        LOG_DEBUG(Common_Filesystem, "{} does not exist", path.string());
         return true;
     }
 
-    // We can't delete a directory
-    if (IsDirectory(filename)) {
-        LOG_ERROR(Common_Filesystem, "Failed: {} is a directory", filename);
-        return false;
-    }
+    std::error_code ec;
+    return fs::remove(path, ec);
+}
 
-#ifdef _WIN32
-    if (!DeleteFileW(Common::UTF8ToUTF16W(filename).c_str())) {
-        LOG_ERROR(Common_Filesystem, "DeleteFile failed on {}: {}", filename, GetLastErrorMsg());
+bool CreateDir(const fs::path& path) {
+    LOG_TRACE(Common_Filesystem, "directory {}", path.string());
+
+    std::error_code ec;
+    const bool success = fs::create_directory(path, ec);
+
+    if (!success) {
+        LOG_ERROR(Common_Filesystem, "Unable to create directory: {}", ec.message());
         return false;
     }
-#else
-    if (unlink(filename.c_str()) == -1) {
-        LOG_ERROR(Common_Filesystem, "unlink failed on {}: {}", filename, GetLastErrorMsg());
-        return false;
-    }
-#endif
 
     return true;
 }
 
-bool CreateDir(const std::string& path) {
-    LOG_TRACE(Common_Filesystem, "directory {}", path);
-#ifdef _WIN32
-    if (::CreateDirectoryW(Common::UTF8ToUTF16W(path).c_str(), nullptr))
-        return true;
-    DWORD error = GetLastError();
-    if (error == ERROR_ALREADY_EXISTS) {
-        LOG_DEBUG(Common_Filesystem, "CreateDirectory failed on {}: already exists", path);
-        return true;
-    }
-    LOG_ERROR(Common_Filesystem, "CreateDirectory failed on {}: {}", path, error);
-    return false;
-#else
-    if (mkdir(path.c_str(), 0755) == 0)
-        return true;
+bool CreateFullPath(const fs::path& path) {
+    LOG_TRACE(Common_Filesystem, "path {}", path.string());
 
-    int err = errno;
+    std::error_code ec;
+    const bool success = fs::create_directories(path, ec);
 
-    if (err == EEXIST) {
-        LOG_DEBUG(Common_Filesystem, "mkdir failed on {}: already exists", path);
-        return true;
-    }
-
-    LOG_ERROR(Common_Filesystem, "mkdir failed on {}: {}", path, strerror(err));
-    return false;
-#endif
-}
-
-bool CreateFullPath(const std::string& fullPath) {
-    int panicCounter = 100;
-    LOG_TRACE(Common_Filesystem, "path {}", fullPath);
-
-    if (Exists(fullPath)) {
-        LOG_DEBUG(Common_Filesystem, "path exists {}", fullPath);
-        return true;
-    }
-
-    std::size_t position = 0;
-    while (true) {
-        // Find next sub path
-        position = fullPath.find(DIR_SEP_CHR, position);
-
-        // we're done, yay!
-        if (position == fullPath.npos)
-            return true;
-
-        // Include the '/' so the first call is CreateDir("/") rather than CreateDir("")
-        std::string const subPath(fullPath.substr(0, position + 1));
-        if (!IsDirectory(subPath) && !CreateDir(subPath)) {
-            LOG_ERROR(Common, "CreateFullPath: directory creation failed");
-            return false;
-        }
-
-        // A safety check
-        panicCounter--;
-        if (panicCounter <= 0) {
-            LOG_ERROR(Common, "CreateFullPath: directory structure is too deep");
-            return false;
-        }
-        position++;
-    }
-}
-
-bool DeleteDir(const std::string& filename) {
-    LOG_TRACE(Common_Filesystem, "directory {}", filename);
-
-    // check if a directory
-    if (!IsDirectory(filename)) {
-        LOG_ERROR(Common_Filesystem, "Not a directory {}", filename);
+    if (!success) {
+        LOG_ERROR(Common_Filesystem, "Unable to create full path: {}", ec.message());
         return false;
     }
 
-#ifdef _WIN32
-    if (::RemoveDirectoryW(Common::UTF8ToUTF16W(filename).c_str()))
-        return true;
-#else
-    if (rmdir(filename.c_str()) == 0)
-        return true;
-#endif
-    LOG_ERROR(Common_Filesystem, "failed {}: {}", filename, GetLastErrorMsg());
-
-    return false;
-}
-
-bool Rename(const std::string& srcFilename, const std::string& destFilename) {
-    LOG_TRACE(Common_Filesystem, "{} --> {}", srcFilename, destFilename);
-#ifdef _WIN32
-    if (_wrename(Common::UTF8ToUTF16W(srcFilename).c_str(),
-                 Common::UTF8ToUTF16W(destFilename).c_str()) == 0)
-        return true;
-#else
-    if (rename(srcFilename.c_str(), destFilename.c_str()) == 0)
-        return true;
-#endif
-    LOG_ERROR(Common_Filesystem, "failed {} --> {}: {}", srcFilename, destFilename,
-              GetLastErrorMsg());
-    return false;
-}
-
-bool Copy(const std::string& srcFilename, const std::string& destFilename) {
-    LOG_TRACE(Common_Filesystem, "{} --> {}", srcFilename, destFilename);
-#ifdef _WIN32
-    if (CopyFileW(Common::UTF8ToUTF16W(srcFilename).c_str(),
-                  Common::UTF8ToUTF16W(destFilename).c_str(), FALSE))
-        return true;
-
-    LOG_ERROR(Common_Filesystem, "failed {} --> {}: {}", srcFilename, destFilename,
-              GetLastErrorMsg());
-    return false;
-#else
-    using CFilePointer = std::unique_ptr<FILE, decltype(&std::fclose)>;
-
-    // Open input file
-    CFilePointer input{fopen(srcFilename.c_str(), "rb"), std::fclose};
-    if (!input) {
-        LOG_ERROR(Common_Filesystem, "opening input failed {} --> {}: {}", srcFilename,
-                  destFilename, GetLastErrorMsg());
-        return false;
-    }
-
-    // open output file
-    CFilePointer output{fopen(destFilename.c_str(), "wb"), std::fclose};
-    if (!output) {
-        LOG_ERROR(Common_Filesystem, "opening output failed {} --> {}: {}", srcFilename,
-                  destFilename, GetLastErrorMsg());
-        return false;
-    }
-
-    // copy loop
-    std::array<char, 1024> buffer;
-    while (!feof(input.get())) {
-        // read input
-        std::size_t rnum = fread(buffer.data(), sizeof(char), buffer.size(), input.get());
-        if (rnum != buffer.size()) {
-            if (ferror(input.get()) != 0) {
-                LOG_ERROR(Common_Filesystem, "failed reading from source, {} --> {}: {}",
-                          srcFilename, destFilename, GetLastErrorMsg());
-                return false;
-            }
-        }
-
-        // write output
-        std::size_t wnum = fwrite(buffer.data(), sizeof(char), rnum, output.get());
-        if (wnum != rnum) {
-            LOG_ERROR(Common_Filesystem, "failed writing to output, {} --> {}: {}", srcFilename,
-                      destFilename, GetLastErrorMsg());
-            return false;
-        }
-    }
-
     return true;
-#endif
 }
 
-u64 GetSize(const std::string& filename) {
-    if (!Exists(filename)) {
-        LOG_ERROR(Common_Filesystem, "failed {}: No such file", filename);
-        return 0;
+bool Rename(const fs::path& src, const fs::path& dst) {
+    LOG_TRACE(Common_Filesystem, "{} --> {}", src.string(), dst.string());
+
+    std::error_code ec;
+    fs::rename(src, dst, ec);
+
+    if (ec) {
+        LOG_ERROR(Common_Filesystem, "Unable to rename file from {} to {}: {}", src.string(),
+                  dst.string(), ec.message());
+        return false;
     }
 
-    if (IsDirectory(filename)) {
-        LOG_ERROR(Common_Filesystem, "failed {}: is a directory", filename);
-        return 0;
-    }
-
-    struct stat buf;
-#ifdef _WIN32
-    if (_wstat64(Common::UTF8ToUTF16W(filename).c_str(), &buf) == 0)
-#else
-    if (stat(filename.c_str(), &buf) == 0)
-#endif
-    {
-        LOG_TRACE(Common_Filesystem, "{}: {}", filename, buf.st_size);
-        return buf.st_size;
-    }
-
-    LOG_ERROR(Common_Filesystem, "Stat failed {}: {}", filename, GetLastErrorMsg());
-    return 0;
+    return true;
 }
 
-u64 GetSize(const int fd) {
-    struct stat buf;
-    if (fstat(fd, &buf) != 0) {
-        LOG_ERROR(Common_Filesystem, "GetSize: stat failed {}: {}", fd, GetLastErrorMsg());
+bool Copy(const fs::path& src, const fs::path& dst) {
+    LOG_TRACE(Common_Filesystem, "{} --> {}", src.string(), dst.string());
+
+    std::error_code ec;
+    const bool success = fs::copy_file(src, dst, fs::copy_options::overwrite_existing, ec);
+
+    if (!success) {
+        LOG_ERROR(Common_Filesystem, "Unable to copy file {} to {}: {}", src.string(), dst.string(),
+                  ec.message());
+        return false;
+    }
+
+    return true;
+}
+
+u64 GetSize(const fs::path& path) {
+    std::error_code ec;
+    const auto size = fs::file_size(path, ec);
+
+    if (ec) {
+        LOG_ERROR(Common_Filesystem, "Unable to retrieve file size ({}): {}", path.string(),
+                  ec.message());
         return 0;
     }
-    return buf.st_size;
+
+    return size;
 }
 
 u64 GetSize(FILE* f) {
@@ -438,132 +251,58 @@ bool ForeachDirectoryEntry(u64* num_entries_out, const std::string& directory,
     return true;
 }
 
-u64 ScanDirectoryTree(const std::string& directory, FSTEntry& parent_entry,
-                      unsigned int recursion) {
-    const auto callback = [recursion, &parent_entry](u64* num_entries_out,
-                                                     const std::string& directory,
-                                                     const std::string& virtual_name) -> bool {
-        FSTEntry entry;
-        entry.virtualName = virtual_name;
-        entry.physicalName = directory + DIR_SEP + virtual_name;
+bool DeleteDirRecursively(const fs::path& path) {
+    std::error_code ec;
+    fs::remove_all(path, ec);
 
-        if (IsDirectory(entry.physicalName)) {
-            entry.isDirectory = true;
-            // is a directory, lets go inside if we didn't recurse to often
-            if (recursion > 0) {
-                entry.size = ScanDirectoryTree(entry.physicalName, entry, recursion - 1);
-                *num_entries_out += entry.size;
-            } else {
-                entry.size = 0;
-            }
-        } else { // is a file
-            entry.isDirectory = false;
-            entry.size = GetSize(entry.physicalName);
-        }
-        (*num_entries_out)++;
-
-        // Push into the tree
-        parent_entry.children.push_back(std::move(entry));
-        return true;
-    };
-
-    u64 num_entries;
-    return ForeachDirectoryEntry(&num_entries, directory, callback) ? num_entries : 0;
-}
-
-bool DeleteDirRecursively(const std::string& directory, unsigned int recursion) {
-    const auto callback = [recursion](u64*, const std::string& directory,
-                                      const std::string& virtual_name) {
-        const std::string new_path = directory + DIR_SEP_CHR + virtual_name;
-
-        if (IsDirectory(new_path)) {
-            if (recursion == 0) {
-                return false;
-            }
-            return DeleteDirRecursively(new_path, recursion - 1);
-        }
-        return Delete(new_path);
-    };
-
-    if (!ForeachDirectoryEntry(nullptr, directory, callback))
+    if (ec) {
+        LOG_ERROR(Common_Filesystem, "Unable to completely delete directory {}: {}", path.string(),
+                  ec.message());
         return false;
+    }
 
-    // Delete the outermost directory
-    DeleteDir(directory);
     return true;
 }
 
-void CopyDir([[maybe_unused]] const std::string& source_path,
-             [[maybe_unused]] const std::string& dest_path) {
-#ifndef _WIN32
-    if (source_path == dest_path) {
-        return;
-    }
-    if (!Exists(source_path)) {
-        return;
-    }
-    if (!Exists(dest_path)) {
-        CreateFullPath(dest_path);
-    }
+void CopyDir(const fs::path& src, const fs::path& dst) {
+    constexpr auto copy_flags = fs::copy_options::skip_existing | fs::copy_options::recursive;
 
-    DIR* dirp = opendir(source_path.c_str());
-    if (!dirp) {
+    std::error_code ec;
+    fs::copy(src, dst, copy_flags, ec);
+
+    if (ec) {
+        LOG_ERROR(Common_Filesystem, "Error copying directory {} to {}: {}", src.string(),
+                  dst.string(), ec.message());
         return;
     }
 
-    while (struct dirent* result = readdir(dirp)) {
-        const std::string virtualName(result->d_name);
-        // check for "." and ".."
-        if (((virtualName[0] == '.') && (virtualName[1] == '\0')) ||
-            ((virtualName[0] == '.') && (virtualName[1] == '.') && (virtualName[2] == '\0'))) {
-            continue;
-        }
-
-        std::string source, dest;
-        source = source_path + virtualName;
-        dest = dest_path + virtualName;
-        if (IsDirectory(source)) {
-            source += '/';
-            dest += '/';
-            if (!Exists(dest)) {
-                CreateFullPath(dest);
-            }
-            CopyDir(source, dest);
-        } else if (!Exists(dest)) {
-            Copy(source, dest);
-        }
-    }
-    closedir(dirp);
-#endif
+    LOG_TRACE(Common_Filesystem, "Successfully copied directory.");
 }
 
-std::optional<std::string> GetCurrentDir() {
-// Get the current working directory (getcwd uses malloc)
-#ifdef _WIN32
-    wchar_t* dir = _wgetcwd(nullptr, 0);
-    if (!dir) {
-#else
-    char* dir = getcwd(nullptr, 0);
-    if (!dir) {
-#endif
-        LOG_ERROR(Common_Filesystem, "GetCurrentDirectory failed: {}", GetLastErrorMsg());
+std::optional<fs::path> GetCurrentDir() {
+    std::error_code ec;
+    auto path = fs::current_path(ec);
+
+    if (ec) {
+        LOG_ERROR(Common_Filesystem, "Unable to retrieve current working directory: {}",
+                  ec.message());
         return std::nullopt;
     }
-#ifdef _WIN32
-    std::string strDir = Common::UTF16ToUTF8(dir);
-#else
-    std::string strDir = dir;
-#endif
-    free(dir);
-    return strDir;
+
+    return {std::move(path)};
 }
 
-bool SetCurrentDir(const std::string& directory) {
-#ifdef _WIN32
-    return _wchdir(Common::UTF8ToUTF16W(directory).c_str()) == 0;
-#else
-    return chdir(directory.c_str()) == 0;
-#endif
+bool SetCurrentDir(const fs::path& path) {
+    std::error_code ec;
+    fs::current_path(path, ec);
+
+    if (ec) {
+        LOG_ERROR(Common_Filesystem, "Unable to set {} as working directory: {}", path.string(),
+                  ec.message());
+        return false;
+    }
+
+    return true;
 }
 
 #if defined(__APPLE__)

src/common/file_util.h

@@ -6,6 +6,7 @@
 
 #include <array>
 #include <cstdio>
+#include <filesystem>
 #include <fstream>
 #include <functional>
 #include <limits>
@@ -38,48 +39,34 @@ enum class UserPath {
     UserDir,
 };
 
-// FileSystem tree node/
-struct FSTEntry {
-    bool isDirectory;
-    u64 size;                 // file length or number of entries from children
-    std::string physicalName; // name on disk
-    std::string virtualName;  // name in FST names table
-    std::vector<FSTEntry> children;
-};
+// Returns true if the path exists
+[[nodiscard]] bool Exists(const std::filesystem::path& path);
 
-// Returns true if file filename exists
-[[nodiscard]] bool Exists(const std::string& filename);
-
-// Returns true if filename is a directory
-[[nodiscard]] bool IsDirectory(const std::string& filename);
+// Returns true if path is a directory
+[[nodiscard]] bool IsDirectory(const std::filesystem::path& path);
 
 // Returns the size of filename (64bit)
-[[nodiscard]] u64 GetSize(const std::string& filename);
-
-// Overloaded GetSize, accepts file descriptor
-[[nodiscard]] u64 GetSize(int fd);
+[[nodiscard]] u64 GetSize(const std::filesystem::path& path);
 
 // Overloaded GetSize, accepts FILE*
 [[nodiscard]] u64 GetSize(FILE* f);
 
 // Returns true if successful, or path already exists.
-bool CreateDir(const std::string& filename);
+bool CreateDir(const std::filesystem::path& path);
 
-// Creates the full path of fullPath returns true on success
-bool CreateFullPath(const std::string& fullPath);
+// Creates the full path of path. Returns true on success
+bool CreateFullPath(const std::filesystem::path& path);
 
-// Deletes a given filename, return true on success
-// Doesn't supports deleting a directory
-bool Delete(const std::string& filename);
+// Deletes a given file at the path.
+// This will also delete empty directories.
+// Return true on success
+bool Delete(const std::filesystem::path& path);
 
-// Deletes a directory filename, returns true on success
-bool DeleteDir(const std::string& filename);
+// Renames file src to dst, returns true on success
+bool Rename(const std::filesystem::path& src, const std::filesystem::path& dst);
 
-// renames file srcFilename to destFilename, returns true on success
-bool Rename(const std::string& srcFilename, const std::string& destFilename);
-
-// copies file srcFilename to destFilename, returns true on success
-bool Copy(const std::string& srcFilename, const std::string& destFilename);
+// copies file src to dst, returns true on success
+bool Copy(const std::filesystem::path& src, const std::filesystem::path& dst);
 
 // creates an empty file filename, returns true on success
 bool CreateEmptyFile(const std::string& filename);
@@ -106,27 +93,17 @@ using DirectoryEntryCallable = std::function<bool(
 bool ForeachDirectoryEntry(u64* num_entries_out, const std::string& directory,
                            DirectoryEntryCallable callback);
 
-/**
- * Scans the directory tree, storing the results.
- * @param directory the parent directory to start scanning from
- * @param parent_entry FSTEntry where the filesystem tree results will be stored.
- * @param recursion Number of children directories to read before giving up.
- * @return the total number of files/directories found
- */
-u64 ScanDirectoryTree(const std::string& directory, FSTEntry& parent_entry,
-                      unsigned int recursion = 0);
-
-// deletes the given directory and anything under it. Returns true on success.
-bool DeleteDirRecursively(const std::string& directory, unsigned int recursion = 256);
+// Deletes the given path and anything under it. Returns true on success.
+bool DeleteDirRecursively(const std::filesystem::path& path);
 
 // Returns the current directory
-[[nodiscard]] std::optional<std::string> GetCurrentDir();
+[[nodiscard]] std::optional<std::filesystem::path> GetCurrentDir();
 
 // Create directory and copy contents (does not overwrite existing files)
-void CopyDir(const std::string& source_path, const std::string& dest_path);
+void CopyDir(const std::filesystem::path& src, const std::filesystem::path& dst);
 
-// Set the current directory to given directory
-bool SetCurrentDir(const std::string& directory);
+// Set the current directory to given path
+bool SetCurrentDir(const std::filesystem::path& path);
 
 // Returns a pointer to a string with a yuzu data dir in the user's home
 // directory. To be used in "multi-user" mode (that is, installed).

src/common/logging/backend.cpp

@@ -23,6 +23,7 @@
 #include "common/logging/text_formatter.h"
 #include "common/string_util.h"
 #include "common/threadsafe_queue.h"
+#include "core/settings.h"
 
 namespace Log {
 
@@ -152,10 +153,19 @@ FileBackend::FileBackend(const std::string& filename)
 void FileBackend::Write(const Entry& entry) {
     // prevent logs from going over the maximum size (in case its spamming and the user doesn't
     // know)
-    constexpr std::size_t MAX_BYTES_WRITTEN = 50 * 1024L * 1024L;
-    if (!file.IsOpen() || bytes_written > MAX_BYTES_WRITTEN) {
+    constexpr std::size_t MAX_BYTES_WRITTEN = 100 * 1024 * 1024;
+    constexpr std::size_t MAX_BYTES_WRITTEN_EXTENDED = 1024 * 1024 * 1024;
+
+    if (!file.IsOpen()) {
         return;
     }
+
+    if (Settings::values.extended_logging && bytes_written > MAX_BYTES_WRITTEN_EXTENDED) {
+        return;
+    } else if (!Settings::values.extended_logging && bytes_written > MAX_BYTES_WRITTEN) {
+        return;
+    }
+
     bytes_written += file.WriteString(FormatLogMessage(entry).append(1, '\n'));
     if (entry.log_level >= Level::Error) {
         file.Flush();

src/common/scope_exit.h

@@ -10,7 +10,7 @@
 namespace detail {
 template <typename Func>
 struct ScopeExitHelper {
-    explicit ScopeExitHelper(Func&& func) : func(std::move(func)) {}
+    explicit ScopeExitHelper(Func&& func_) : func(std::move(func_)) {}
     ~ScopeExitHelper() {
         if (active) {
             func();

src/common/telemetry.h

@@ -52,8 +52,8 @@ public:
 template <typename T>
 class Field : public FieldInterface {
 public:
-    Field(FieldType type, std::string name, T value)
-        : name(std::move(name)), type(type), value(std::move(value)) {}
+    Field(FieldType type_, std::string name_, T value_)
+        : name(std::move(name_)), type(type_), value(std::move(value_)) {}
 
     Field(const Field&) = default;
     Field& operator=(const Field&) = default;

src/common/wall_clock.cpp

@@ -17,8 +17,8 @@ using base_time_point = std::chrono::time_point<base_timer>;
 
 class StandardWallClock final : public WallClock {
 public:
-    StandardWallClock(u64 emulated_cpu_frequency, u64 emulated_clock_frequency)
-        : WallClock(emulated_cpu_frequency, emulated_clock_frequency, false) {
+    explicit StandardWallClock(u64 emulated_cpu_frequency_, u64 emulated_clock_frequency_)
+        : WallClock(emulated_cpu_frequency_, emulated_clock_frequency_, false) {
         start_time = base_timer::now();
     }
 

src/common/wall_clock.h

@@ -38,9 +38,9 @@ public:
     }
 
 protected:
-    WallClock(u64 emulated_cpu_frequency, u64 emulated_clock_frequency, bool is_native)
-        : emulated_cpu_frequency{emulated_cpu_frequency},
-          emulated_clock_frequency{emulated_clock_frequency}, is_native{is_native} {}
+    explicit WallClock(u64 emulated_cpu_frequency_, u64 emulated_clock_frequency_, bool is_native_)
+        : emulated_cpu_frequency{emulated_cpu_frequency_},
+          emulated_clock_frequency{emulated_clock_frequency_}, is_native{is_native_} {}
 
     u64 emulated_cpu_frequency;
     u64 emulated_clock_frequency;

src/common/x64/native_clock.cpp

@@ -43,10 +43,10 @@ u64 EstimateRDTSCFrequency() {
 }
 
 namespace X64 {
-NativeClock::NativeClock(u64 emulated_cpu_frequency, u64 emulated_clock_frequency,
-                         u64 rtsc_frequency)
-    : WallClock(emulated_cpu_frequency, emulated_clock_frequency, true), rtsc_frequency{
-                                                                             rtsc_frequency} {
+NativeClock::NativeClock(u64 emulated_cpu_frequency_, u64 emulated_clock_frequency_,
+                         u64 rtsc_frequency_)
+    : WallClock(emulated_cpu_frequency_, emulated_clock_frequency_, true), rtsc_frequency{
+                                                                               rtsc_frequency_} {
     _mm_mfence();
     last_measure = __rdtsc();
     accumulated_ticks = 0U;

src/common/x64/native_clock.h

@@ -14,7 +14,8 @@ namespace Common {
 namespace X64 {
 class NativeClock final : public WallClock {
 public:
-    NativeClock(u64 emulated_cpu_frequency, u64 emulated_clock_frequency, u64 rtsc_frequency);
+    explicit NativeClock(u64 emulated_cpu_frequency_, u64 emulated_clock_frequency_,
+                         u64 rtsc_frequency_);
 
     std::chrono::nanoseconds GetTimeNS() override;
 

src/common/x64/xbyak_abi.h

@@ -11,25 +11,25 @@
 
 namespace Common::X64 {
 
-constexpr std::size_t RegToIndex(const Xbyak::Reg& reg) {
+constexpr size_t RegToIndex(const Xbyak::Reg& reg) {
     using Kind = Xbyak::Reg::Kind;
     ASSERT_MSG((reg.getKind() & (Kind::REG | Kind::XMM)) != 0,
                "RegSet only support GPRs and XMM registers.");
     ASSERT_MSG(reg.getIdx() < 16, "RegSet only supports XXM0-15.");
-    return reg.getIdx() + (reg.getKind() == Kind::REG ? 0 : 16);
+    return static_cast<size_t>(reg.getIdx()) + (reg.getKind() == Kind::REG ? 0 : 16);
 }
 
-constexpr Xbyak::Reg64 IndexToReg64(std::size_t reg_index) {
+constexpr Xbyak::Reg64 IndexToReg64(size_t reg_index) {
     ASSERT(reg_index < 16);
     return Xbyak::Reg64(static_cast<int>(reg_index));
 }
 
-constexpr Xbyak::Xmm IndexToXmm(std::size_t reg_index) {
+constexpr Xbyak::Xmm IndexToXmm(size_t reg_index) {
     ASSERT(reg_index >= 16 && reg_index < 32);
     return Xbyak::Xmm(static_cast<int>(reg_index - 16));
 }
 
-constexpr Xbyak::Reg IndexToReg(std::size_t reg_index) {
+constexpr Xbyak::Reg IndexToReg(size_t reg_index) {
     if (reg_index < 16) {
         return IndexToReg64(reg_index);
     } else {
@@ -182,7 +182,7 @@ inline size_t ABI_PushRegistersAndAdjustStack(Xbyak::CodeGenerator& code, std::b
                                               size_t rsp_alignment, size_t needed_frame_size = 0) {
     auto frame_info = ABI_CalculateFrameSize(regs, rsp_alignment, needed_frame_size);
 
-    for (std::size_t i = 0; i < regs.size(); ++i) {
+    for (size_t i = 0; i < regs.size(); ++i) {
         if (regs[i] && ABI_ALL_GPRS[i]) {
             code.push(IndexToReg64(i));
         }
@@ -192,7 +192,7 @@ inline size_t ABI_PushRegistersAndAdjustStack(Xbyak::CodeGenerator& code, std::b
         code.sub(code.rsp, frame_info.subtraction);
     }
 
-    for (std::size_t i = 0; i < regs.size(); ++i) {
+    for (size_t i = 0; i < regs.size(); ++i) {
         if (regs[i] && ABI_ALL_XMMS[i]) {
             code.movaps(code.xword[code.rsp + frame_info.xmm_offset], IndexToXmm(i));
             frame_info.xmm_offset += 0x10;
@@ -206,7 +206,7 @@ inline void ABI_PopRegistersAndAdjustStack(Xbyak::CodeGenerator& code, std::bits
                                            size_t rsp_alignment, size_t needed_frame_size = 0) {
     auto frame_info = ABI_CalculateFrameSize(regs, rsp_alignment, needed_frame_size);
 
-    for (std::size_t i = 0; i < regs.size(); ++i) {
+    for (size_t i = 0; i < regs.size(); ++i) {
         if (regs[i] && ABI_ALL_XMMS[i]) {
             code.movaps(IndexToXmm(i), code.xword[code.rsp + frame_info.xmm_offset]);
             frame_info.xmm_offset += 0x10;
@@ -218,8 +218,8 @@ inline void ABI_PopRegistersAndAdjustStack(Xbyak::CodeGenerator& code, std::bits
     }
 
     // GPRs need to be popped in reverse order
-    for (std::size_t j = 0; j < regs.size(); ++j) {
-        const std::size_t i = regs.size() - j - 1;
+    for (size_t j = 0; j < regs.size(); ++j) {
+        const size_t i = regs.size() - j - 1;
         if (regs[i] && ABI_ALL_GPRS[i]) {
             code.pop(IndexToReg64(i));
         }

src/core/CMakeLists.txt

@@ -135,8 +135,6 @@ add_library(core STATIC
     frontend/framebuffer_layout.cpp
     frontend/framebuffer_layout.h
     frontend/input.h
-    gdbstub/gdbstub.cpp
-    gdbstub/gdbstub.h
     hardware_interrupt_manager.cpp
     hardware_interrupt_manager.h
     hle/ipc.h

src/core/arm/arm_interface.h

@@ -64,15 +64,25 @@ public:
     /// Step CPU by one instruction
     virtual void Step() = 0;
 
+    /// Exits execution from a callback, the callback must rewind the stack
+    virtual void ExceptionalExit() = 0;
+
     /// Clear all instruction cache
     virtual void ClearInstructionCache() = 0;
 
-    /// Notifies CPU emulation that the current page table has changed.
-    ///
-    /// @param new_page_table                 The new page table.
-    /// @param new_address_space_size_in_bits The new usable size of the address space in bits.
-    ///                                       This can be either 32, 36, or 39 on official software.
-    ///
+    /**
+     * Clear instruction cache range
+     * @param addr Start address of the cache range to clear
+     * @param size Size of the cache range to clear, starting at addr
+     */
+    virtual void InvalidateCacheRange(VAddr addr, std::size_t size) = 0;
+
+    /**
+     * Notifies CPU emulation that the current page table has changed.
+     *  @param new_page_table                 The new page table.
+     *  @param new_address_space_size_in_bits The new usable size of the address space in bits.
+     *                                        This can be either 32, 36, or 39 on official software.
+     */
     virtual void PageTableChanged(Common::PageTable& new_page_table,
                                   std::size_t new_address_space_size_in_bits) = 0;
 

src/core/arm/dynarmic/arm_dynarmic_32.cpp

@@ -189,6 +189,10 @@ void ARM_Dynarmic_32::Run() {
     jit->Run();
 }
 
+void ARM_Dynarmic_32::ExceptionalExit() {
+    jit->ExceptionalExit();
+}
+
 void ARM_Dynarmic_32::Step() {
     jit->Step();
 }
@@ -282,6 +286,13 @@ void ARM_Dynarmic_32::ClearInstructionCache() {
     jit->ClearCache();
 }
 
+void ARM_Dynarmic_32::InvalidateCacheRange(VAddr addr, std::size_t size) {
+    if (!jit) {
+        return;
+    }
+    jit->InvalidateCacheRange(static_cast<u32>(addr), size);
+}
+
 void ARM_Dynarmic_32::ClearExclusiveState() {
     jit->ClearExclusiveState();
 }

src/core/arm/dynarmic/arm_dynarmic_32.h

@@ -42,6 +42,7 @@ public:
     u32 GetPSTATE() const override;
     void SetPSTATE(u32 pstate) override;
     void Run() override;
+    void ExceptionalExit() override;
     void Step() override;
     VAddr GetTlsAddress() const override;
     void SetTlsAddress(VAddr address) override;
@@ -58,6 +59,7 @@ public:
     void ClearExclusiveState() override;
 
     void ClearInstructionCache() override;
+    void InvalidateCacheRange(VAddr addr, std::size_t size) override;
     void PageTableChanged(Common::PageTable& new_page_table,
                           std::size_t new_address_space_size_in_bits) override;
 

src/core/arm/dynarmic/arm_dynarmic_64.cpp

@@ -14,7 +14,6 @@
 #include "core/arm/dynarmic/arm_exclusive_monitor.h"
 #include "core/core.h"
 #include "core/core_timing.h"
-#include "core/gdbstub/gdbstub.h"
 #include "core/hardware_properties.h"
 #include "core/hle/kernel/process.h"
 #include "core/hle/kernel/scheduler.h"
@@ -96,16 +95,6 @@ public:
         case Dynarmic::A64::Exception::Yield:
             return;
         case Dynarmic::A64::Exception::Breakpoint:
-            if (GDBStub::IsServerEnabled()) {
-                parent.jit->HaltExecution();
-                parent.SetPC(pc);
-                Kernel::Thread* const thread = parent.system.CurrentScheduler().GetCurrentThread();
-                parent.SaveContext(thread->GetContext64());
-                GDBStub::Break();
-                GDBStub::SendTrap(thread, 5);
-                return;
-            }
-            [[fallthrough]];
         default:
             ASSERT_MSG(false, "ExceptionRaised(exception = {}, pc = {:08X}, code = {:08X})",
                        static_cast<std::size_t>(exception), pc, MemoryReadCode(pc));
@@ -231,6 +220,10 @@ void ARM_Dynarmic_64::Run() {
     jit->Run();
 }
 
+void ARM_Dynarmic_64::ExceptionalExit() {
+    jit->ExceptionalExit();
+}
+
 void ARM_Dynarmic_64::Step() {
     cb->InterpreterFallback(jit->GetPC(), 1);
 }
@@ -329,6 +322,13 @@ void ARM_Dynarmic_64::ClearInstructionCache() {
     jit->ClearCache();
 }
 
+void ARM_Dynarmic_64::InvalidateCacheRange(VAddr addr, std::size_t size) {
+    if (!jit) {
+        return;
+    }
+    jit->InvalidateCacheRange(addr, size);
+}
+
 void ARM_Dynarmic_64::ClearExclusiveState() {
     jit->ClearExclusiveState();
 }

src/core/arm/dynarmic/arm_dynarmic_64.h

@@ -40,6 +40,7 @@ public:
     void SetPSTATE(u32 pstate) override;
     void Run() override;
     void Step() override;
+    void ExceptionalExit() override;
     VAddr GetTlsAddress() const override;
     void SetTlsAddress(VAddr address) override;
     void SetTPIDR_EL0(u64 value) override;
@@ -55,6 +56,7 @@ public:
     void ClearExclusiveState() override;
 
     void ClearInstructionCache() override;
+    void InvalidateCacheRange(VAddr addr, std::size_t size) override;
     void PageTableChanged(Common::PageTable& new_page_table,
                           std::size_t new_address_space_size_in_bits) override;
 

src/core/core.cpp

@@ -25,7 +25,6 @@
 #include "core/file_sys/sdmc_factory.h"
 #include "core/file_sys/vfs_concat.h"
 #include "core/file_sys/vfs_real.h"
-#include "core/gdbstub/gdbstub.h"
 #include "core/hardware_interrupt_manager.h"
 #include "core/hle/kernel/client_port.h"
 #include "core/hle/kernel/kernel.h"
@@ -92,33 +91,43 @@ FileSys::VirtualFile GetGameFileFromPath(const FileSys::VirtualFilesystem& vfs,
     std::string dir_name;
     std::string filename;
     Common::SplitPath(path, &dir_name, &filename, nullptr);
+
     if (filename == "00") {
         const auto dir = vfs->OpenDirectory(dir_name, FileSys::Mode::Read);
         std::vector<FileSys::VirtualFile> concat;
-        for (u8 i = 0; i < 0x10; ++i) {
-            auto next = dir->GetFile(fmt::format("{:02X}", i));
-            if (next != nullptr)
+
+        for (u32 i = 0; i < 0x10; ++i) {
+            const auto file_name = fmt::format("{:02X}", i);
+            auto next = dir->GetFile(file_name);
+
+            if (next != nullptr) {
                 concat.push_back(std::move(next));
-            else {
-                next = dir->GetFile(fmt::format("{:02x}", i));
-                if (next != nullptr)
-                    concat.push_back(std::move(next));
-                else
+            } else {
+                next = dir->GetFile(file_name);
+
+                if (next == nullptr) {
                     break;
+                }
+
+                concat.push_back(std::move(next));
             }
         }
 
-        if (concat.empty())
+        if (concat.empty()) {
             return nullptr;
+        }
 
-        return FileSys::ConcatenatedVfsFile::MakeConcatenatedFile(concat, dir->GetName());
+        return FileSys::ConcatenatedVfsFile::MakeConcatenatedFile(std::move(concat),
+                                                                  dir->GetName());
     }
 
-    if (Common::FS::IsDirectory(path))
-        return vfs->OpenFile(path + "/" + "main", FileSys::Mode::Read);
+    if (Common::FS::IsDirectory(path)) {
+        return vfs->OpenFile(path + "/main", FileSys::Mode::Read);
+    }
 
     return vfs->OpenFile(path, FileSys::Mode::Read);
 }
+
 struct System::Impl {
     explicit Impl(System& system)
         : kernel{system}, fs_controller{system}, memory{system},
@@ -145,7 +154,7 @@ struct System::Impl {
     }
 
     ResultStatus Init(System& system, Frontend::EmuWindow& emu_window) {
-        LOG_DEBUG(HW_Memory, "initialized OK");
+        LOG_DEBUG(Core, "initialized OK");
 
         device_memory = std::make_unique<Core::DeviceMemory>();
 
@@ -186,11 +195,8 @@ struct System::Impl {
         }
 
         service_manager = std::make_shared<Service::SM::ServiceManager>(kernel);
-
-        Service::Init(service_manager, system);
-        GDBStub::DeferStart();
-
-        interrupt_manager = std::make_unique<Core::Hardware::InterruptManager>(system);
+        services = std::make_unique<Service::Services>(service_manager, system);
+        interrupt_manager = std::make_unique<Hardware::InterruptManager>(system);
 
         // Initialize time manager, which must happen after kernel is created
         time_manager.Initialize();
@@ -208,9 +214,11 @@ struct System::Impl {
         return ResultStatus::Success;
     }
 
-    ResultStatus Load(System& system, Frontend::EmuWindow& emu_window,
-                      const std::string& filepath) {
-        app_loader = Loader::GetLoader(GetGameFileFromPath(virtual_filesystem, filepath));
+    ResultStatus Load(System& system, Frontend::EmuWindow& emu_window, const std::string& filepath,
+                      std::size_t program_index) {
+        app_loader = Loader::GetLoader(system, GetGameFileFromPath(virtual_filesystem, filepath),
+                                       program_index);
+
         if (!app_loader) {
             LOG_CRITICAL(Core, "Failed to obtain loader for {}!", filepath);
             return ResultStatus::ErrorGetLoader;
@@ -224,7 +232,7 @@ struct System::Impl {
             return init_result;
         }
 
-        telemetry_session->AddInitialInfo(*app_loader);
+        telemetry_session->AddInitialInfo(*app_loader, fs_controller, *content_provider);
         auto main_process =
             Kernel::Process::Create(system, "main", Kernel::Process::ProcessType::Userland);
         const auto [load_result, load_parameters] = app_loader->Load(*main_process, system);
@@ -237,6 +245,7 @@ struct System::Impl {
         }
         AddGlueRegistrationForProcess(*app_loader, *main_process);
         kernel.MakeCurrentProcess(main_process.get());
+        kernel.InitializeCores();
 
         // Initialize cheat engine
         if (cheat_engine) {
@@ -295,8 +304,7 @@ struct System::Impl {
         }
 
         // Shutdown emulation session
-        GDBStub::Shutdown();
-        Service::Shutdown();
+        services.reset();
         service_manager.reset();
         cheat_engine.reset();
         telemetry_session.reset();
@@ -306,8 +314,8 @@ struct System::Impl {
         cpu_manager.Shutdown();
 
         // Shutdown kernel and core timing
-        kernel.Shutdown();
         core_timing.Shutdown();
+        kernel.Shutdown();
 
         // Close app loader
         app_loader.reset();
@@ -338,7 +346,7 @@ struct System::Impl {
         Service::Glue::ApplicationLaunchProperty launch{};
         launch.title_id = process.GetTitleID();
 
-        FileSys::PatchManager pm{launch.title_id};
+        FileSys::PatchManager pm{launch.title_id, fs_controller, *content_provider};
         launch.version = pm.GetGameVersion().value_or(0);
 
         // TODO(DarkLordZach): When FSController/Game Card Support is added, if
@@ -398,6 +406,9 @@ struct System::Impl {
     /// Service manager
     std::shared_ptr<Service::SM::ServiceManager> service_manager;
 
+    /// Services
+    std::unique_ptr<Service::Services> services;
+
     /// Telemetry session for this emulation session
     std::unique_ptr<Core::TelemetrySession> telemetry_session;
 
@@ -413,6 +424,8 @@ struct System::Impl {
     bool is_multicore{};
     bool is_async_gpu{};
 
+    ExecuteProgramCallback execute_program_callback;
+
     std::array<u64, Core::Hardware::NUM_CPU_CORES> dynarmic_ticks{};
     std::array<MicroProfileToken, Core::Hardware::NUM_CPU_CORES> microprofile_dynarmic{};
 };
@@ -444,8 +457,17 @@ void System::InvalidateCpuInstructionCaches() {
     impl->kernel.InvalidateAllInstructionCaches();
 }
 
-System::ResultStatus System::Load(Frontend::EmuWindow& emu_window, const std::string& filepath) {
-    return impl->Load(*this, emu_window, filepath);
+void System::InvalidateCpuInstructionCacheRange(VAddr addr, std::size_t size) {
+    impl->kernel.InvalidateCpuInstructionCacheRange(addr, size);
+}
+
+void System::Shutdown() {
+    impl->Shutdown();
+}
+
+System::ResultStatus System::Load(Frontend::EmuWindow& emu_window, const std::string& filepath,
+                                  std::size_t program_index) {
+    return impl->Load(*this, emu_window, filepath, program_index);
 }
 
 bool System::IsPoweredOn() const {
@@ -473,11 +495,11 @@ const TelemetrySession& System::TelemetrySession() const {
 }
 
 ARM_Interface& System::CurrentArmInterface() {
-    return impl->kernel.CurrentScheduler().GetCurrentThread()->ArmInterface();
+    return impl->kernel.CurrentPhysicalCore().ArmInterface();
 }
 
 const ARM_Interface& System::CurrentArmInterface() const {
-    return impl->kernel.CurrentScheduler().GetCurrentThread()->ArmInterface();
+    return impl->kernel.CurrentPhysicalCore().ArmInterface();
 }
 
 std::size_t System::CurrentCoreIndex() const {
@@ -537,15 +559,11 @@ const Kernel::Process* System::CurrentProcess() const {
 }
 
 ARM_Interface& System::ArmInterface(std::size_t core_index) {
-    auto* thread = impl->kernel.Scheduler(core_index).GetCurrentThread();
-    ASSERT(thread && !thread->IsHLEThread());
-    return thread->ArmInterface();
+    return impl->kernel.PhysicalCore(core_index).ArmInterface();
 }
 
 const ARM_Interface& System::ArmInterface(std::size_t core_index) const {
-    auto* thread = impl->kernel.Scheduler(core_index).GetCurrentThread();
-    ASSERT(thread && !thread->IsHLEThread());
-    return thread->ArmInterface();
+    return impl->kernel.PhysicalCore(core_index).ArmInterface();
 }
 
 ExclusiveMonitor& System::Monitor() {
@@ -632,7 +650,11 @@ const std::string& System::GetStatusDetails() const {
     return impl->status_details;
 }
 
-Loader::AppLoader& System::GetAppLoader() const {
+Loader::AppLoader& System::GetAppLoader() {
+    return *impl->app_loader;
+}
+
+const Loader::AppLoader& System::GetAppLoader() const {
     return *impl->app_loader;
 }
 
@@ -748,14 +770,6 @@ const System::CurrentBuildProcessID& System::GetCurrentProcessBuildID() const {
     return impl->build_id;
 }
 
-System::ResultStatus System::Init(Frontend::EmuWindow& emu_window) {
-    return impl->Init(*this, emu_window);
-}
-
-void System::Shutdown() {
-    impl->Shutdown();
-}
-
 Service::SM::ServiceManager& System::ServiceManager() {
     return *impl->service_manager;
 }
@@ -786,4 +800,16 @@ bool System::IsMulticore() const {
     return impl->is_multicore;
 }
 
+void System::RegisterExecuteProgramCallback(ExecuteProgramCallback&& callback) {
+    impl->execute_program_callback = std::move(callback);
+}
+
+void System::ExecuteProgram(std::size_t program_index) {
+    if (impl->execute_program_callback) {
+        impl->execute_program_callback(program_index);
+    } else {
+        LOG_CRITICAL(Core, "execute_program_callback must be initialized by the frontend");
+    }
+}
+
 } // namespace Core

src/core/core.h

@@ -5,6 +5,7 @@
 #pragma once
 
 #include <cstddef>
+#include <functional>
 #include <memory>
 #include <string>
 #include <vector>
@@ -144,19 +145,19 @@ public:
      * Run the OS and Application
      * This function will start emulation and run the relevant devices
      */
-    ResultStatus Run();
+    [[nodiscard]] ResultStatus Run();
 
     /**
      * Pause the OS and Application
      * This function will pause emulation and stop the relevant devices
      */
-    ResultStatus Pause();
+    [[nodiscard]] ResultStatus Pause();
 
     /**
      * Step the CPU one instruction
      * @return Result status, indicating whether or not the operation succeeded.
      */
-    ResultStatus SingleStep();
+    [[nodiscard]] ResultStatus SingleStep();
 
     /**
      * Invalidate the CPU instruction caches
@@ -165,6 +166,8 @@ public:
      */
     void InvalidateCpuInstructionCaches();
 
+    void InvalidateCpuInstructionCacheRange(VAddr addr, std::size_t size);
+
     /// Shutdown the emulated system.
     void Shutdown();
 
@@ -173,22 +176,24 @@ public:
      * @param emu_window Reference to the host-system window used for video output and keyboard
      *                   input.
      * @param filepath String path to the executable application to load on the host file system.
+     * @param program_index Specifies the index within the container of the program to launch.
      * @returns ResultStatus code, indicating if the operation succeeded.
      */
-    ResultStatus Load(Frontend::EmuWindow& emu_window, const std::string& filepath);
+    [[nodiscard]] ResultStatus Load(Frontend::EmuWindow& emu_window, const std::string& filepath,
+                                    std::size_t program_index = 0);
 
     /**
      * Indicates if the emulated system is powered on (all subsystems initialized and able to run an
      * application).
      * @returns True if the emulated system is powered on, otherwise false.
      */
-    bool IsPoweredOn() const;
+    [[nodiscard]] bool IsPoweredOn() const;
 
     /// Gets a reference to the telemetry session for this emulation session.
-    Core::TelemetrySession& TelemetrySession();
+    [[nodiscard]] Core::TelemetrySession& TelemetrySession();
 
     /// Gets a reference to the telemetry session for this emulation session.
-    const Core::TelemetrySession& TelemetrySession() const;
+    [[nodiscard]] const Core::TelemetrySession& TelemetrySession() const;
 
     /// Prepare the core emulation for a reschedule
     void PrepareReschedule();
@@ -197,185 +202,178 @@ public:
     void PrepareReschedule(u32 core_index);
 
     /// Gets and resets core performance statistics
-    PerfStatsResults GetAndResetPerfStats();
+    [[nodiscard]] PerfStatsResults GetAndResetPerfStats();
 
     /// Gets an ARM interface to the CPU core that is currently running
-    ARM_Interface& CurrentArmInterface();
+    [[nodiscard]] ARM_Interface& CurrentArmInterface();
 
     /// Gets an ARM interface to the CPU core that is currently running
-    const ARM_Interface& CurrentArmInterface() const;
+    [[nodiscard]] const ARM_Interface& CurrentArmInterface() const;
 
     /// Gets the index of the currently running CPU core
-    std::size_t CurrentCoreIndex() const;
+    [[nodiscard]] std::size_t CurrentCoreIndex() const;
 
     /// Gets the scheduler for the CPU core that is currently running
-    Kernel::Scheduler& CurrentScheduler();
+    [[nodiscard]] Kernel::Scheduler& CurrentScheduler();
 
     /// Gets the scheduler for the CPU core that is currently running
-    const Kernel::Scheduler& CurrentScheduler() const;
+    [[nodiscard]] const Kernel::Scheduler& CurrentScheduler() const;
 
     /// Gets the physical core for the CPU core that is currently running
-    Kernel::PhysicalCore& CurrentPhysicalCore();
+    [[nodiscard]] Kernel::PhysicalCore& CurrentPhysicalCore();
 
     /// Gets the physical core for the CPU core that is currently running
-    const Kernel::PhysicalCore& CurrentPhysicalCore() const;
+    [[nodiscard]] const Kernel::PhysicalCore& CurrentPhysicalCore() const;
 
     /// Gets a reference to an ARM interface for the CPU core with the specified index
-    ARM_Interface& ArmInterface(std::size_t core_index);
+    [[nodiscard]] ARM_Interface& ArmInterface(std::size_t core_index);
 
     /// Gets a const reference to an ARM interface from the CPU core with the specified index
-    const ARM_Interface& ArmInterface(std::size_t core_index) const;
+    [[nodiscard]] const ARM_Interface& ArmInterface(std::size_t core_index) const;
 
-    CpuManager& GetCpuManager();
+    /// Gets a reference to the underlying CPU manager.
+    [[nodiscard]] CpuManager& GetCpuManager();
 
-    const CpuManager& GetCpuManager() const;
+    /// Gets a const reference to the underlying CPU manager
+    [[nodiscard]] const CpuManager& GetCpuManager() const;
 
     /// Gets a reference to the exclusive monitor
-    ExclusiveMonitor& Monitor();
+    [[nodiscard]] ExclusiveMonitor& Monitor();
 
     /// Gets a constant reference to the exclusive monitor
-    const ExclusiveMonitor& Monitor() const;
+    [[nodiscard]] const ExclusiveMonitor& Monitor() const;
 
     /// Gets a mutable reference to the system memory instance.
-    Core::Memory::Memory& Memory();
+    [[nodiscard]] Core::Memory::Memory& Memory();
 
     /// Gets a constant reference to the system memory instance.
-    const Core::Memory::Memory& Memory() const;
+    [[nodiscard]] const Core::Memory::Memory& Memory() const;
 
     /// Gets a mutable reference to the GPU interface
-    Tegra::GPU& GPU();
+    [[nodiscard]] Tegra::GPU& GPU();
 
     /// Gets an immutable reference to the GPU interface.
-    const Tegra::GPU& GPU() const;
+    [[nodiscard]] const Tegra::GPU& GPU() const;
 
     /// Gets a mutable reference to the renderer.
-    VideoCore::RendererBase& Renderer();
+    [[nodiscard]] VideoCore::RendererBase& Renderer();
 
     /// Gets an immutable reference to the renderer.
-    const VideoCore::RendererBase& Renderer() const;
+    [[nodiscard]] const VideoCore::RendererBase& Renderer() const;
 
     /// Gets the scheduler for the CPU core with the specified index
-    Kernel::Scheduler& Scheduler(std::size_t core_index);
+    [[nodiscard]] Kernel::Scheduler& Scheduler(std::size_t core_index);
 
     /// Gets the scheduler for the CPU core with the specified index
-    const Kernel::Scheduler& Scheduler(std::size_t core_index) const;
+    [[nodiscard]] const Kernel::Scheduler& Scheduler(std::size_t core_index) const;
 
     /// Gets the global scheduler
-    Kernel::GlobalScheduler& GlobalScheduler();
+    [[nodiscard]] Kernel::GlobalScheduler& GlobalScheduler();
 
     /// Gets the global scheduler
-    const Kernel::GlobalScheduler& GlobalScheduler() const;
+    [[nodiscard]] const Kernel::GlobalScheduler& GlobalScheduler() const;
 
     /// Gets the manager for the guest device memory
-    Core::DeviceMemory& DeviceMemory();
+    [[nodiscard]] Core::DeviceMemory& DeviceMemory();
 
     /// Gets the manager for the guest device memory
-    const Core::DeviceMemory& DeviceMemory() const;
+    [[nodiscard]] const Core::DeviceMemory& DeviceMemory() const;
 
     /// Provides a pointer to the current process
-    Kernel::Process* CurrentProcess();
+    [[nodiscard]] Kernel::Process* CurrentProcess();
 
     /// Provides a constant pointer to the current process.
-    const Kernel::Process* CurrentProcess() const;
+    [[nodiscard]] const Kernel::Process* CurrentProcess() const;
 
     /// Provides a reference to the core timing instance.
-    Timing::CoreTiming& CoreTiming();
+    [[nodiscard]] Timing::CoreTiming& CoreTiming();
 
     /// Provides a constant reference to the core timing instance.
-    const Timing::CoreTiming& CoreTiming() const;
+    [[nodiscard]] const Timing::CoreTiming& CoreTiming() const;
 
     /// Provides a reference to the interrupt manager instance.
-    Core::Hardware::InterruptManager& InterruptManager();
+    [[nodiscard]] Core::Hardware::InterruptManager& InterruptManager();
 
     /// Provides a constant reference to the interrupt manager instance.
-    const Core::Hardware::InterruptManager& InterruptManager() const;
+    [[nodiscard]] const Core::Hardware::InterruptManager& InterruptManager() const;
 
     /// Provides a reference to the kernel instance.
-    Kernel::KernelCore& Kernel();
+    [[nodiscard]] Kernel::KernelCore& Kernel();
 
     /// Provides a constant reference to the kernel instance.
-    const Kernel::KernelCore& Kernel() const;
+    [[nodiscard]] const Kernel::KernelCore& Kernel() const;
 
     /// Provides a reference to the internal PerfStats instance.
-    Core::PerfStats& GetPerfStats();
+    [[nodiscard]] Core::PerfStats& GetPerfStats();
 
     /// Provides a constant reference to the internal PerfStats instance.
-    const Core::PerfStats& GetPerfStats() const;
+    [[nodiscard]] const Core::PerfStats& GetPerfStats() const;
 
     /// Provides a reference to the frame limiter;
-    Core::FrameLimiter& FrameLimiter();
+    [[nodiscard]] Core::FrameLimiter& FrameLimiter();
 
     /// Provides a constant referent to the frame limiter
-    const Core::FrameLimiter& FrameLimiter() const;
+    [[nodiscard]] const Core::FrameLimiter& FrameLimiter() const;
 
     /// Gets the name of the current game
-    Loader::ResultStatus GetGameName(std::string& out) const;
+    [[nodiscard]] Loader::ResultStatus GetGameName(std::string& out) const;
 
     void SetStatus(ResultStatus new_status, const char* details);
 
-    const std::string& GetStatusDetails() const;
+    [[nodiscard]] const std::string& GetStatusDetails() const;
 
-    Loader::AppLoader& GetAppLoader() const;
+    [[nodiscard]] Loader::AppLoader& GetAppLoader();
+    [[nodiscard]] const Loader::AppLoader& GetAppLoader() const;
 
-    Service::SM::ServiceManager& ServiceManager();
-    const Service::SM::ServiceManager& ServiceManager() const;
+    [[nodiscard]] Service::SM::ServiceManager& ServiceManager();
+    [[nodiscard]] const Service::SM::ServiceManager& ServiceManager() const;
 
     void SetFilesystem(FileSys::VirtualFilesystem vfs);
 
-    FileSys::VirtualFilesystem GetFilesystem() const;
+    [[nodiscard]] FileSys::VirtualFilesystem GetFilesystem() const;
 
     void RegisterCheatList(const std::vector<Memory::CheatEntry>& list,
                            const std::array<u8, 0x20>& build_id, VAddr main_region_begin,
                            u64 main_region_size);
 
     void SetAppletFrontendSet(Service::AM::Applets::AppletFrontendSet&& set);
-
     void SetDefaultAppletFrontendSet();
 
-    Service::AM::Applets::AppletManager& GetAppletManager();
-
-    const Service::AM::Applets::AppletManager& GetAppletManager() const;
+    [[nodiscard]] Service::AM::Applets::AppletManager& GetAppletManager();
+    [[nodiscard]] const Service::AM::Applets::AppletManager& GetAppletManager() const;
 
     void SetContentProvider(std::unique_ptr<FileSys::ContentProviderUnion> provider);
 
-    FileSys::ContentProvider& GetContentProvider();
+    [[nodiscard]] FileSys::ContentProvider& GetContentProvider();
+    [[nodiscard]] const FileSys::ContentProvider& GetContentProvider() const;
 
-    const FileSys::ContentProvider& GetContentProvider() const;
-
-    Service::FileSystem::FileSystemController& GetFileSystemController();
-
-    const Service::FileSystem::FileSystemController& GetFileSystemController() const;
+    [[nodiscard]] Service::FileSystem::FileSystemController& GetFileSystemController();
+    [[nodiscard]] const Service::FileSystem::FileSystemController& GetFileSystemController() const;
 
     void RegisterContentProvider(FileSys::ContentProviderUnionSlot slot,
                                  FileSys::ContentProvider* provider);
 
     void ClearContentProvider(FileSys::ContentProviderUnionSlot slot);
 
-    const Reporter& GetReporter() const;
+    [[nodiscard]] const Reporter& GetReporter() const;
 
-    Service::Glue::ARPManager& GetARPManager();
+    [[nodiscard]] Service::Glue::ARPManager& GetARPManager();
+    [[nodiscard]] const Service::Glue::ARPManager& GetARPManager() const;
 
-    const Service::Glue::ARPManager& GetARPManager() const;
+    [[nodiscard]] Service::APM::Controller& GetAPMController();
+    [[nodiscard]] const Service::APM::Controller& GetAPMController() const;
 
-    Service::APM::Controller& GetAPMController();
+    [[nodiscard]] Service::LM::Manager& GetLogManager();
+    [[nodiscard]] const Service::LM::Manager& GetLogManager() const;
 
-    const Service::APM::Controller& GetAPMController() const;
-
-    Service::LM::Manager& GetLogManager();
-
-    const Service::LM::Manager& GetLogManager() const;
-
-    Service::Time::TimeManager& GetTimeManager();
-
-    const Service::Time::TimeManager& GetTimeManager() const;
+    [[nodiscard]] Service::Time::TimeManager& GetTimeManager();
+    [[nodiscard]] const Service::Time::TimeManager& GetTimeManager() const;
 
     void SetExitLock(bool locked);
-
-    bool GetExitLock() const;
+    [[nodiscard]] bool GetExitLock() const;
 
     void SetCurrentProcessBuildID(const CurrentBuildProcessID& id);
-
-    const CurrentBuildProcessID& GetCurrentProcessBuildID() const;
+    [[nodiscard]] const CurrentBuildProcessID& GetCurrentProcessBuildID() const;
 
     /// Register a host thread as an emulated CPU Core.
     void RegisterCoreThread(std::size_t id);
@@ -390,19 +388,28 @@ public:
     void ExitDynarmicProfile();
 
     /// Tells if system is running on multicore.
-    bool IsMulticore() const;
+    [[nodiscard]] bool IsMulticore() const;
+
+    /// Type used for the frontend to designate a callback for System to re-launch the application
+    /// using a specified program index.
+    using ExecuteProgramCallback = std::function<void(std::size_t)>;
+
+    /**
+     * Registers a callback from the frontend for System to re-launch the application using a
+     * specified program index.
+     * @param callback Callback from the frontend to relaunch the application.
+     */
+    void RegisterExecuteProgramCallback(ExecuteProgramCallback&& callback);
+
+    /**
+     * Instructs the frontend to re-launch the application using the specified program_index.
+     * @param program_index Specifies the index within the application of the program to launch.
+     */
+    void ExecuteProgram(std::size_t program_index);
 
 private:
     System();
 
-    /**
-     * Initialize the emulated system.
-     * @param emu_window Reference to the host-system window used for video output and keyboard
-     *                   input.
-     * @return ResultStatus code, indicating if the operation succeeded.
-     */
-    ResultStatus Init(Frontend::EmuWindow& emu_window);
-
     struct Impl;
     std::unique_ptr<Impl> impl;
 

src/core/core_timing.h

@@ -27,8 +27,8 @@ using TimedCallback =
 
 /// Contains the characteristics of a particular event.
 struct EventType {
-    EventType(TimedCallback&& callback, std::string&& name)
-        : callback{std::move(callback)}, name{std::move(name)} {}
+    explicit EventType(TimedCallback&& callback_, std::string&& name_)
+        : callback{std::move(callback_)}, name{std::move(name_)} {}
 
     /// The event's callback function.
     TimedCallback callback;
@@ -67,8 +67,8 @@ public:
     void Shutdown();
 
     /// Sets if emulation is multicore or single core, must be set before Initialize
-    void SetMulticore(bool is_multicore) {
-        this->is_multicore = is_multicore;
+    void SetMulticore(bool is_multicore_) {
+        is_multicore = is_multicore_;
     }
 
     /// Check if it's using host timing.

src/core/cpu_manager.cpp

@@ -4,12 +4,12 @@
 
 #include "common/fiber.h"
 #include "common/microprofile.h"
+#include "common/scope_exit.h"
 #include "common/thread.h"
 #include "core/arm/exclusive_monitor.h"
 #include "core/core.h"
 #include "core/core_timing.h"
 #include "core/cpu_manager.h"
-#include "core/gdbstub/gdbstub.h"
 #include "core/hle/kernel/kernel.h"
 #include "core/hle/kernel/physical_core.h"
 #include "core/hle/kernel/scheduler.h"
@@ -113,22 +113,23 @@ void CpuManager::MultiCoreRunGuestThread() {
         auto& sched = kernel.CurrentScheduler();
         sched.OnThreadStart();
     }
+    auto* thread = kernel.CurrentScheduler().GetCurrentThread();
+    auto& host_context = thread->GetHostContext();
+    host_context->SetRewindPoint(GuestRewindFunction, this);
     MultiCoreRunGuestLoop();
 }
 
 void CpuManager::MultiCoreRunGuestLoop() {
     auto& kernel = system.Kernel();
-    auto* thread = kernel.CurrentScheduler().GetCurrentThread();
+
     while (true) {
         auto* physical_core = &kernel.CurrentPhysicalCore();
-        auto& arm_interface = thread->ArmInterface();
         system.EnterDynarmicProfile();
         while (!physical_core->IsInterrupted()) {
-            arm_interface.Run();
+            physical_core->Run();
             physical_core = &kernel.CurrentPhysicalCore();
         }
         system.ExitDynarmicProfile();
-        arm_interface.ClearExclusiveState();
         auto& scheduler = kernel.CurrentScheduler();
         scheduler.TryDoContextSwitch();
     }
@@ -209,6 +210,9 @@ void CpuManager::SingleCoreRunGuestThread() {
         auto& sched = kernel.CurrentScheduler();
         sched.OnThreadStart();
     }
+    auto* thread = kernel.CurrentScheduler().GetCurrentThread();
+    auto& host_context = thread->GetHostContext();
+    host_context->SetRewindPoint(GuestRewindFunction, this);
     SingleCoreRunGuestLoop();
 }
 
@@ -217,17 +221,15 @@ void CpuManager::SingleCoreRunGuestLoop() {
     auto* thread = kernel.CurrentScheduler().GetCurrentThread();
     while (true) {
         auto* physical_core = &kernel.CurrentPhysicalCore();
-        auto& arm_interface = thread->ArmInterface();
         system.EnterDynarmicProfile();
         if (!physical_core->IsInterrupted()) {
-            arm_interface.Run();
+            physical_core->Run();
             physical_core = &kernel.CurrentPhysicalCore();
         }
         system.ExitDynarmicProfile();
         thread->SetPhantomMode(true);
         system.CoreTiming().Advance();
         thread->SetPhantomMode(false);
-        arm_interface.ClearExclusiveState();
         PreemptSingleCore();
         auto& scheduler = kernel.Scheduler(current_core);
         scheduler.TryDoContextSwitch();
@@ -343,6 +345,16 @@ void CpuManager::RunThread(std::size_t core) {
     data.initialized = true;
     const bool sc_sync = !is_async_gpu && !is_multicore;
     bool sc_sync_first_use = sc_sync;
+
+    // Cleanup
+    SCOPE_EXIT({
+        data.host_context->Exit();
+        data.enter_barrier.reset();
+        data.exit_barrier.reset();
+        data.initialized = false;
+        MicroProfileOnThreadExit();
+    });
+
     /// Running
     while (running_mode) {
         data.is_running = false;
@@ -351,6 +363,12 @@ void CpuManager::RunThread(std::size_t core) {
             system.GPU().ObtainContext();
             sc_sync_first_use = false;
         }
+
+        // Abort if emulation was killed before the session really starts
+        if (!system.IsPoweredOn()) {
+            return;
+        }
+
         auto& scheduler = system.Kernel().CurrentScheduler();
         Kernel::Thread* current_thread = scheduler.GetCurrentThread();
         data.is_running = true;
@@ -360,13 +378,6 @@ void CpuManager::RunThread(std::size_t core) {
         data.exit_barrier->Wait();
         data.is_paused = false;
     }
-    /// Time to cleanup
-    data.host_context->Exit();
-    data.enter_barrier.reset();
-    data.exit_barrier.reset();
-    data.initialized = false;
-
-    MicroProfileOnThreadExit();
 }
 
 } // namespace Core

src/core/file_sys/card_image.cpp

@@ -29,7 +29,7 @@ constexpr std::array partition_names{
     "logo",
 };
 
-XCI::XCI(VirtualFile file_)
+XCI::XCI(VirtualFile file_, std::size_t program_index)
     : file(std::move(file_)), program_nca_status{Loader::ResultStatus::ErrorXCIMissingProgramNCA},
       partitions(partition_names.size()),
       partitions_raw(partition_names.size()), keys{Core::Crypto::KeyManager::Instance()} {
@@ -62,7 +62,8 @@ XCI::XCI(VirtualFile file_)
     }
 
     secure_partition = std::make_shared<NSP>(
-        main_hfs.GetFile(partition_names[static_cast<std::size_t>(XCIPartition::Secure)]));
+        main_hfs.GetFile(partition_names[static_cast<std::size_t>(XCIPartition::Secure)]),
+        program_index);
 
     ncas = secure_partition->GetNCAsCollapsed();
     program =

src/core/file_sys/card_image.h

@@ -78,7 +78,7 @@ enum class XCIPartition : u8 { Update, Normal, Secure, Logo };
 
 class XCI : public ReadOnlyVfsDirectory {
 public:
-    explicit XCI(VirtualFile file);
+    explicit XCI(VirtualFile file, std::size_t program_index = 0);
     ~XCI() override;
 
     Loader::ResultStatus GetStatus() const;

src/core/file_sys/patch_manager.cpp

@@ -112,7 +112,10 @@ bool IsDirValidAndNonEmpty(const VirtualDir& dir) {
 }
 } // Anonymous namespace
 
-PatchManager::PatchManager(u64 title_id) : title_id(title_id) {}
+PatchManager::PatchManager(u64 title_id_,
+                           const Service::FileSystem::FileSystemController& fs_controller_,
+                           const ContentProvider& content_provider_)
+    : title_id{title_id_}, fs_controller{fs_controller_}, content_provider{content_provider_} {}
 
 PatchManager::~PatchManager() = default;
 
@@ -128,34 +131,30 @@ VirtualDir PatchManager::PatchExeFS(VirtualDir exefs) const {
 
     if (Settings::values.dump_exefs) {
         LOG_INFO(Loader, "Dumping ExeFS for title_id={:016X}", title_id);
-        const auto dump_dir =
-            Core::System::GetInstance().GetFileSystemController().GetModificationDumpRoot(title_id);
+        const auto dump_dir = fs_controller.GetModificationDumpRoot(title_id);
         if (dump_dir != nullptr) {
             const auto exefs_dir = GetOrCreateDirectoryRelative(dump_dir, "/exefs");
             VfsRawCopyD(exefs, exefs_dir);
         }
     }
 
-    const auto& installed = Core::System::GetInstance().GetContentProvider();
-
     const auto& disabled = Settings::values.disabled_addons[title_id];
     const auto update_disabled =
         std::find(disabled.cbegin(), disabled.cend(), "Update") != disabled.cend();
 
     // Game Updates
     const auto update_tid = GetUpdateTitleID(title_id);
-    const auto update = installed.GetEntry(update_tid, ContentRecordType::Program);
+    const auto update = content_provider.GetEntry(update_tid, ContentRecordType::Program);
 
     if (!update_disabled && update != nullptr && update->GetExeFS() != nullptr &&
         update->GetStatus() == Loader::ResultStatus::ErrorMissingBKTRBaseRomFS) {
         LOG_INFO(Loader, "    ExeFS: Update ({}) applied successfully",
-                 FormatTitleVersion(installed.GetEntryVersion(update_tid).value_or(0)));
+                 FormatTitleVersion(content_provider.GetEntryVersion(update_tid).value_or(0)));
         exefs = update->GetExeFS();
     }
 
     // LayeredExeFS
-    const auto load_dir =
-        Core::System::GetInstance().GetFileSystemController().GetModificationLoadRoot(title_id);
+    const auto load_dir = fs_controller.GetModificationLoadRoot(title_id);
     if (load_dir != nullptr && load_dir->GetSize() > 0) {
         auto patch_dirs = load_dir->GetSubdirectories();
         std::sort(
@@ -241,8 +240,7 @@ std::vector<u8> PatchManager::PatchNSO(const std::vector<u8>& nso, const std::st
     if (Settings::values.dump_nso) {
         LOG_INFO(Loader, "Dumping NSO for name={}, build_id={}, title_id={:016X}", name, build_id,
                  title_id);
-        const auto dump_dir =
-            Core::System::GetInstance().GetFileSystemController().GetModificationDumpRoot(title_id);
+        const auto dump_dir = fs_controller.GetModificationDumpRoot(title_id);
         if (dump_dir != nullptr) {
             const auto nso_dir = GetOrCreateDirectoryRelative(dump_dir, "/nso");
             const auto file = nso_dir->CreateFile(fmt::format("{}-{}.nso", name, build_id));
@@ -254,8 +252,7 @@ std::vector<u8> PatchManager::PatchNSO(const std::vector<u8>& nso, const std::st
 
     LOG_INFO(Loader, "Patching NSO for name={}, build_id={}", name, build_id);
 
-    const auto load_dir =
-        Core::System::GetInstance().GetFileSystemController().GetModificationLoadRoot(title_id);
+    const auto load_dir = fs_controller.GetModificationLoadRoot(title_id);
     if (load_dir == nullptr) {
         LOG_ERROR(Loader, "Cannot load mods for invalid title_id={:016X}", title_id);
         return nso;
@@ -298,8 +295,7 @@ bool PatchManager::HasNSOPatch(const BuildID& build_id_) const {
 
     LOG_INFO(Loader, "Querying NSO patch existence for build_id={}", build_id);
 
-    const auto load_dir =
-        Core::System::GetInstance().GetFileSystemController().GetModificationLoadRoot(title_id);
+    const auto load_dir = fs_controller.GetModificationLoadRoot(title_id);
     if (load_dir == nullptr) {
         LOG_ERROR(Loader, "Cannot load mods for invalid title_id={:016X}", title_id);
         return false;
@@ -313,8 +309,8 @@ bool PatchManager::HasNSOPatch(const BuildID& build_id_) const {
 }
 
 std::vector<Core::Memory::CheatEntry> PatchManager::CreateCheatList(
-    const Core::System& system, const BuildID& build_id_) const {
-    const auto load_dir = system.GetFileSystemController().GetModificationLoadRoot(title_id);
+    const BuildID& build_id_) const {
+    const auto load_dir = fs_controller.GetModificationLoadRoot(title_id);
     if (load_dir == nullptr) {
         LOG_ERROR(Loader, "Cannot load mods for invalid title_id={:016X}", title_id);
         return {};
@@ -347,9 +343,9 @@ std::vector<Core::Memory::CheatEntry> PatchManager::CreateCheatList(
     return out;
 }
 
-static void ApplyLayeredFS(VirtualFile& romfs, u64 title_id, ContentRecordType type) {
-    const auto load_dir =
-        Core::System::GetInstance().GetFileSystemController().GetModificationLoadRoot(title_id);
+static void ApplyLayeredFS(VirtualFile& romfs, u64 title_id, ContentRecordType type,
+                           const Service::FileSystem::FileSystemController& fs_controller) {
+    const auto load_dir = fs_controller.GetModificationLoadRoot(title_id);
     if ((type != ContentRecordType::Program && type != ContentRecordType::Data) ||
         load_dir == nullptr || load_dir->GetSize() <= 0) {
         return;
@@ -411,19 +407,19 @@ VirtualFile PatchManager::PatchRomFS(VirtualFile romfs, u64 ivfc_offset, Content
     const auto log_string = fmt::format("Patching RomFS for title_id={:016X}, type={:02X}",
                                         title_id, static_cast<u8>(type));
 
-    if (type == ContentRecordType::Program || type == ContentRecordType::Data)
+    if (type == ContentRecordType::Program || type == ContentRecordType::Data) {
         LOG_INFO(Loader, "{}", log_string);
-    else
+    } else {
         LOG_DEBUG(Loader, "{}", log_string);
+    }
 
-    if (romfs == nullptr)
+    if (romfs == nullptr) {
         return romfs;
-
-    const auto& installed = Core::System::GetInstance().GetContentProvider();
+    }
 
     // Game Updates
     const auto update_tid = GetUpdateTitleID(title_id);
-    const auto update = installed.GetEntryRaw(update_tid, type);
+    const auto update = content_provider.GetEntryRaw(update_tid, type);
 
     const auto& disabled = Settings::values.disabled_addons[title_id];
     const auto update_disabled =
@@ -434,7 +430,7 @@ VirtualFile PatchManager::PatchRomFS(VirtualFile romfs, u64 ivfc_offset, Content
         if (new_nca->GetStatus() == Loader::ResultStatus::Success &&
             new_nca->GetRomFS() != nullptr) {
             LOG_INFO(Loader, "    RomFS: Update ({}) applied successfully",
-                     FormatTitleVersion(installed.GetEntryVersion(update_tid).value_or(0)));
+                     FormatTitleVersion(content_provider.GetEntryVersion(update_tid).value_or(0)));
             romfs = new_nca->GetRomFS();
         }
     } else if (!update_disabled && update_raw != nullptr) {
@@ -447,7 +443,7 @@ VirtualFile PatchManager::PatchRomFS(VirtualFile romfs, u64 ivfc_offset, Content
     }
 
     // LayeredFS
-    ApplyLayeredFS(romfs, title_id, type);
+    ApplyLayeredFS(romfs, title_id, type, fs_controller);
 
     return romfs;
 }
@@ -458,12 +454,11 @@ PatchManager::PatchVersionNames PatchManager::GetPatchVersionNames(VirtualFile u
     }
 
     std::map<std::string, std::string, std::less<>> out;
-    const auto& installed = Core::System::GetInstance().GetContentProvider();
     const auto& disabled = Settings::values.disabled_addons[title_id];
 
     // Game Updates
     const auto update_tid = GetUpdateTitleID(title_id);
-    PatchManager update{update_tid};
+    PatchManager update{update_tid, fs_controller, content_provider};
     const auto metadata = update.GetControlMetadata();
     const auto& nacp = metadata.first;
 
@@ -474,8 +469,8 @@ PatchManager::PatchVersionNames PatchManager::GetPatchVersionNames(VirtualFile u
     if (nacp != nullptr) {
         out.insert_or_assign(update_label, nacp->GetVersionString());
     } else {
-        if (installed.HasEntry(update_tid, ContentRecordType::Program)) {
-            const auto meta_ver = installed.GetEntryVersion(update_tid);
+        if (content_provider.HasEntry(update_tid, ContentRecordType::Program)) {
+            const auto meta_ver = content_provider.GetEntryVersion(update_tid);
             if (meta_ver.value_or(0) == 0) {
                 out.insert_or_assign(update_label, "");
             } else {
@@ -487,8 +482,7 @@ PatchManager::PatchVersionNames PatchManager::GetPatchVersionNames(VirtualFile u
     }
 
     // General Mods (LayeredFS and IPS)
-    const auto mod_dir =
-        Core::System::GetInstance().GetFileSystemController().GetModificationLoadRoot(title_id);
+    const auto mod_dir = fs_controller.GetModificationLoadRoot(title_id);
     if (mod_dir != nullptr && mod_dir->GetSize() > 0) {
         for (const auto& mod : mod_dir->GetSubdirectories()) {
             std::string types;
@@ -532,13 +526,15 @@ PatchManager::PatchVersionNames PatchManager::GetPatchVersionNames(VirtualFile u
     }
 
     // DLC
-    const auto dlc_entries = installed.ListEntriesFilter(TitleType::AOC, ContentRecordType::Data);
+    const auto dlc_entries =
+        content_provider.ListEntriesFilter(TitleType::AOC, ContentRecordType::Data);
     std::vector<ContentProviderEntry> dlc_match;
     dlc_match.reserve(dlc_entries.size());
     std::copy_if(dlc_entries.begin(), dlc_entries.end(), std::back_inserter(dlc_match),
-                 [this, &installed](const ContentProviderEntry& entry) {
+                 [this](const ContentProviderEntry& entry) {
                      return (entry.title_id & DLC_BASE_TITLE_ID_MASK) == title_id &&
-                            installed.GetEntry(entry)->GetStatus() == Loader::ResultStatus::Success;
+                            content_provider.GetEntry(entry)->GetStatus() ==
+                                Loader::ResultStatus::Success;
                  });
     if (!dlc_match.empty()) {
         // Ensure sorted so DLC IDs show in order.
@@ -559,19 +555,16 @@ PatchManager::PatchVersionNames PatchManager::GetPatchVersionNames(VirtualFile u
 }
 
 std::optional<u32> PatchManager::GetGameVersion() const {
-    const auto& installed = Core::System::GetInstance().GetContentProvider();
     const auto update_tid = GetUpdateTitleID(title_id);
-    if (installed.HasEntry(update_tid, ContentRecordType::Program)) {
-        return installed.GetEntryVersion(update_tid);
+    if (content_provider.HasEntry(update_tid, ContentRecordType::Program)) {
+        return content_provider.GetEntryVersion(update_tid);
     }
 
-    return installed.GetEntryVersion(title_id);
+    return content_provider.GetEntryVersion(title_id);
 }
 
 PatchManager::Metadata PatchManager::GetControlMetadata() const {
-    const auto& installed = Core::System::GetInstance().GetContentProvider();
-
-    const auto base_control_nca = installed.GetEntry(title_id, ContentRecordType::Control);
+    const auto base_control_nca = content_provider.GetEntry(title_id, ContentRecordType::Control);
     if (base_control_nca == nullptr) {
         return {};
     }

src/core/file_sys/patch_manager.h

@@ -17,8 +17,13 @@ namespace Core {
 class System;
 }
 
+namespace Service::FileSystem {
+class FileSystemController;
+}
+
 namespace FileSys {
 
+class ContentProvider;
 class NCA;
 class NACP;
 
@@ -29,7 +34,9 @@ public:
     using Metadata = std::pair<std::unique_ptr<NACP>, VirtualFile>;
     using PatchVersionNames = std::map<std::string, std::string, std::less<>>;
 
-    explicit PatchManager(u64 title_id);
+    explicit PatchManager(u64 title_id_,
+                          const Service::FileSystem::FileSystemController& fs_controller_,
+                          const ContentProvider& content_provider_);
     ~PatchManager();
 
     [[nodiscard]] u64 GetTitleID() const;
@@ -50,7 +57,7 @@ public:
 
     // Creates a CheatList object with all
     [[nodiscard]] std::vector<Core::Memory::CheatEntry> CreateCheatList(
-        const Core::System& system, const BuildID& build_id) const;
+        const BuildID& build_id) const;
 
     // Currently tracked RomFS patches:
     // - Game Updates
@@ -80,6 +87,8 @@ private:
                                                           const std::string& build_id) const;
 
     u64 title_id;
+    const Service::FileSystem::FileSystemController& fs_controller;
+    const ContentProvider& content_provider;
 };
 
 } // namespace FileSys

src/core/file_sys/romfs_factory.cpp

@@ -37,10 +37,12 @@ void RomFSFactory::SetPackedUpdate(VirtualFile update_raw) {
 }
 
 ResultVal<VirtualFile> RomFSFactory::OpenCurrentProcess(u64 current_process_title_id) const {
-    if (!updatable)
+    if (!updatable) {
         return MakeResult<VirtualFile>(file);
+    }
 
-    const PatchManager patch_manager(current_process_title_id);
+    const PatchManager patch_manager{current_process_title_id, filesystem_controller,
+                                     content_provider};
     return MakeResult<VirtualFile>(
         patch_manager.PatchRomFS(file, ivfc_offset, ContentRecordType::Program, update_raw));
 }

src/core/file_sys/savedata_factory.cpp

@@ -70,7 +70,8 @@ std::string SaveDataAttribute::DebugInfo() const {
                        static_cast<u8>(rank), index);
 }
 
-SaveDataFactory::SaveDataFactory(VirtualDir save_directory) : dir(std::move(save_directory)) {
+SaveDataFactory::SaveDataFactory(Core::System& system_, VirtualDir save_directory_)
+    : dir{std::move(save_directory_)}, system{system_} {
     // Delete all temporary storages
     // On hardware, it is expected that temporary storage be empty at first use.
     dir->DeleteSubdirectoryRecursive("temp");
@@ -83,7 +84,7 @@ ResultVal<VirtualDir> SaveDataFactory::Create(SaveDataSpaceId space,
     PrintSaveDataAttributeWarnings(meta);
 
     const auto save_directory =
-        GetFullPath(space, meta.type, meta.title_id, meta.user_id, meta.save_id);
+        GetFullPath(system, space, meta.type, meta.title_id, meta.user_id, meta.save_id);
 
     auto out = dir->CreateDirectoryRelative(save_directory);
 
@@ -100,7 +101,7 @@ ResultVal<VirtualDir> SaveDataFactory::Open(SaveDataSpaceId space,
                                             const SaveDataAttribute& meta) const {
 
     const auto save_directory =
-        GetFullPath(space, meta.type, meta.title_id, meta.user_id, meta.save_id);
+        GetFullPath(system, space, meta.type, meta.title_id, meta.user_id, meta.save_id);
 
     auto out = dir->GetDirectoryRelative(save_directory);
 
@@ -135,13 +136,14 @@ std::string SaveDataFactory::GetSaveDataSpaceIdPath(SaveDataSpaceId space) {
     }
 }
 
-std::string SaveDataFactory::GetFullPath(SaveDataSpaceId space, SaveDataType type, u64 title_id,
-                                         u128 user_id, u64 save_id) {
+std::string SaveDataFactory::GetFullPath(Core::System& system, SaveDataSpaceId space,
+                                         SaveDataType type, u64 title_id, u128 user_id,
+                                         u64 save_id) {
     // According to switchbrew, if a save is of type SaveData and the title id field is 0, it should
     // be interpreted as the title id of the current process.
     if (type == SaveDataType::SaveData || type == SaveDataType::DeviceSaveData) {
         if (title_id == 0) {
-            title_id = Core::System::GetInstance().CurrentProcess()->GetTitleID();
+            title_id = system.CurrentProcess()->GetTitleID();
         }
     }
 
@@ -167,7 +169,7 @@ std::string SaveDataFactory::GetFullPath(SaveDataSpaceId space, SaveDataType typ
 
 SaveDataSize SaveDataFactory::ReadSaveDataSize(SaveDataType type, u64 title_id,
                                                u128 user_id) const {
-    const auto path = GetFullPath(SaveDataSpaceId::NandUser, type, title_id, user_id, 0);
+    const auto path = GetFullPath(system, SaveDataSpaceId::NandUser, type, title_id, user_id, 0);
     const auto dir = GetOrCreateDirectoryRelative(this->dir, path);
 
     const auto size_file = dir->GetFile(SAVE_DATA_SIZE_FILENAME);
@@ -182,7 +184,7 @@ SaveDataSize SaveDataFactory::ReadSaveDataSize(SaveDataType type, u64 title_id,
 
 void SaveDataFactory::WriteSaveDataSize(SaveDataType type, u64 title_id, u128 user_id,
                                         SaveDataSize new_value) const {
-    const auto path = GetFullPath(SaveDataSpaceId::NandUser, type, title_id, user_id, 0);
+    const auto path = GetFullPath(system, SaveDataSpaceId::NandUser, type, title_id, user_id, 0);
     const auto dir = GetOrCreateDirectoryRelative(this->dir, path);
 
     const auto size_file = dir->CreateFile(SAVE_DATA_SIZE_FILENAME);

src/core/file_sys/savedata_factory.h

@@ -12,6 +12,10 @@
 #include "core/file_sys/vfs.h"
 #include "core/hle/result.h"
 
+namespace Core {
+class System;
+}
+
 namespace FileSys {
 
 enum class SaveDataSpaceId : u8 {
@@ -84,7 +88,7 @@ struct SaveDataSize {
 /// File system interface to the SaveData archive
 class SaveDataFactory {
 public:
-    explicit SaveDataFactory(VirtualDir dir);
+    explicit SaveDataFactory(Core::System& system_, VirtualDir save_directory_);
     ~SaveDataFactory();
 
     ResultVal<VirtualDir> Create(SaveDataSpaceId space, const SaveDataAttribute& meta) const;
@@ -93,8 +97,8 @@ public:
     VirtualDir GetSaveDataSpaceDirectory(SaveDataSpaceId space) const;
 
     static std::string GetSaveDataSpaceIdPath(SaveDataSpaceId space);
-    static std::string GetFullPath(SaveDataSpaceId space, SaveDataType type, u64 title_id,
-                                   u128 user_id, u64 save_id);
+    static std::string GetFullPath(Core::System& system, SaveDataSpaceId space, SaveDataType type,
+                                   u64 title_id, u128 user_id, u64 save_id);
 
     SaveDataSize ReadSaveDataSize(SaveDataType type, u64 title_id, u128 user_id) const;
     void WriteSaveDataSize(SaveDataType type, u64 title_id, u128 user_id,
@@ -102,6 +106,7 @@ public:
 
 private:
     VirtualDir dir;
+    Core::System& system;
 };
 
 } // namespace FileSys

src/core/file_sys/submission_package.cpp

@@ -20,8 +20,8 @@
 
 namespace FileSys {
 
-NSP::NSP(VirtualFile file_)
-    : file(std::move(file_)), status{Loader::ResultStatus::Success},
+NSP::NSP(VirtualFile file_, std::size_t program_index)
+    : file(std::move(file_)), program_index(program_index), status{Loader::ResultStatus::Success},
       pfs(std::make_shared<PartitionFilesystem>(file)), keys{Core::Crypto::KeyManager::Instance()} {
     if (pfs->GetStatus() != Loader::ResultStatus::Success) {
         status = pfs->GetStatus();
@@ -146,7 +146,7 @@ std::shared_ptr<NCA> NSP::GetNCA(u64 title_id, ContentRecordType type, TitleType
     if (extracted)
         LOG_WARNING(Service_FS, "called on an NSP that is of type extracted.");
 
-    const auto title_id_iter = ncas.find(title_id);
+    const auto title_id_iter = ncas.find(title_id + program_index);
     if (title_id_iter == ncas.end())
         return nullptr;
 

src/core/file_sys/submission_package.h

@@ -27,7 +27,7 @@ enum class ContentRecordType : u8;
 
 class NSP : public ReadOnlyVfsDirectory {
 public:
-    explicit NSP(VirtualFile file);
+    explicit NSP(VirtualFile file, std::size_t program_index = 0);
     ~NSP() override;
 
     Loader::ResultStatus GetStatus() const;
@@ -69,6 +69,8 @@ private:
 
     VirtualFile file;
 
+    const std::size_t program_index;
+
     bool extracted = false;
     Loader::ResultStatus status;
     std::map<u64, Loader::ResultStatus> program_status;

src/core/file_sys/system_archive/system_version.cpp

@@ -12,17 +12,17 @@ namespace SystemVersionData {
 // This section should reflect the best system version to describe yuzu's HLE api.
 // TODO(DarkLordZach): Update when HLE gets better.
 
-constexpr u8 VERSION_MAJOR = 10;
+constexpr u8 VERSION_MAJOR = 11;
 constexpr u8 VERSION_MINOR = 0;
-constexpr u8 VERSION_MICRO = 2;
+constexpr u8 VERSION_MICRO = 0;
 
-constexpr u8 REVISION_MAJOR = 1;
+constexpr u8 REVISION_MAJOR = 5;
 constexpr u8 REVISION_MINOR = 0;
 
 constexpr char PLATFORM_STRING[] = "NX";
-constexpr char VERSION_HASH[] = "f90143fa8bbc061d4f68c35f95f04f8080c0ecdc";
-constexpr char DISPLAY_VERSION[] = "10.0.2";
-constexpr char DISPLAY_TITLE[] = "NintendoSDK Firmware for NX 10.0.2-1.0";
+constexpr char VERSION_HASH[] = "34197eba8810e2edd5e9dfcfbde7b340882e856d";
+constexpr char DISPLAY_VERSION[] = "11.0.0";
+constexpr char DISPLAY_TITLE[] = "NintendoSDK Firmware for NX 11.0.0-5.0";
 
 } // namespace SystemVersionData
 

src/core/file_sys/vfs_vector.h

@@ -17,9 +17,9 @@ namespace FileSys {
 template <std::size_t size>
 class ArrayVfsFile : public VfsFile {
 public:
-    explicit ArrayVfsFile(const std::array<u8, size>& data, std::string name = "",
-                          VirtualDir parent = nullptr)
-        : data(data), name(std::move(name)), parent(std::move(parent)) {}
+    explicit ArrayVfsFile(const std::array<u8, size>& data_, std::string name_ = "",
+                          VirtualDir parent_ = nullptr)
+        : data(data_), name(std::move(name_)), parent(std::move(parent_)) {}
 
     std::string GetName() const override {
         return name;
@@ -51,12 +51,12 @@ public:
         return read;
     }
 
-    std::size_t Write(const u8* data, std::size_t length, std::size_t offset) override {
+    std::size_t Write(const u8* data_, std::size_t length, std::size_t offset) override {
         return 0;
     }
 
-    bool Rename(std::string_view name) override {
-        this->name = name;
+    bool Rename(std::string_view new_name) override {
+        name = new_name;
         return true;
     }
 

src/core/frontend/emu_window.h

@@ -102,8 +102,8 @@ public:
         float render_surface_scale = 1.0f;
     };
 
-    /// Polls window events
-    virtual void PollEvents() = 0;
+    /// Called from GPU thread when a frame is displayed.
+    virtual void OnFrameDisplayed() {}
 
     /**
      * Returns a GraphicsContext that the frontend provides to be used for rendering.

src/core/frontend/input.h

@@ -30,10 +30,12 @@ public:
     virtual StatusType GetStatus() const {
         return {};
     }
-    virtual bool GetAnalogDirectionStatus(AnalogDirection direction) const {
+    virtual bool GetAnalogDirectionStatus([[maybe_unused]] AnalogDirection direction) const {
         return {};
     }
-    virtual bool SetRumblePlay(f32 amp_low, f32 freq_low, f32 amp_high, f32 freq_high) const {
+    virtual bool SetRumblePlay([[maybe_unused]] f32 amp_low, [[maybe_unused]] f32 freq_low,
+                               [[maybe_unused]] f32 amp_high,
+                               [[maybe_unused]] f32 freq_high) const {
         return {};
     }
 };
@@ -161,10 +163,15 @@ using MotionStatus = std::tuple<Common::Vec3<float>, Common::Vec3<float>, Common
 using MotionDevice = InputDevice<MotionStatus>;
 
 /**
- * A touch device is an input device that returns a tuple of two floats and a bool. The floats are
+ * A touch status is an object that returns a tuple of two floats and a bool. The floats are
  * x and y coordinates in the range 0.0 - 1.0, and the bool indicates whether it is pressed.
  */
-using TouchDevice = InputDevice<std::tuple<float, float, bool>>;
+using TouchStatus = std::tuple<float, float, bool>;
+
+/**
+ * A touch device is an input device that returns a touch status object
+ */
+using TouchDevice = InputDevice<TouchStatus>;
 
 /**
  * A mouse device is an input device that returns a tuple of two floats and four ints.

src/core/gdbstub/gdbstub.h

@@ -1,114 +0,0 @@
-// Copyright 2013 Dolphin Emulator Project
-// Licensed under GPLv2+
-// Refer to the license.txt file included.
-
-// Originally written by Sven Peter <sven@fail0verflow.com> for anergistic.
-
-#pragma once
-
-#include <string>
-#include "common/common_types.h"
-#include "core/hle/kernel/thread.h"
-
-namespace GDBStub {
-
-/// Breakpoint Method
-enum class BreakpointType {
-    None,    ///< None
-    Execute, ///< Execution Breakpoint
-    Read,    ///< Read Breakpoint
-    Write,   ///< Write Breakpoint
-    Access   ///< Access (R/W) Breakpoint
-};
-
-struct BreakpointAddress {
-    VAddr address;
-    BreakpointType type;
-};
-
-/**
- * Set the port the gdbstub should use to listen for connections.
- *
- * @param port Port to listen for connection
- */
-void SetServerPort(u16 port);
-
-/**
- * Starts or stops the server if possible.
- *
- * @param status Set the server to enabled or disabled.
- */
-void ToggleServer(bool status);
-
-/// Start the gdbstub server.
-void Init();
-
-/**
- * Defer initialization of the gdbstub to the first packet processing functions.
- * This avoids a case where the gdbstub thread is frozen after initialization
- * and fails to respond in time to packets.
- */
-void DeferStart();
-
-/// Stop gdbstub server.
-void Shutdown();
-
-/// Checks if the gdbstub server is enabled.
-bool IsServerEnabled();
-
-/// Returns true if there is an active socket connection.
-bool IsConnected();
-
-/// Register module.
-void RegisterModule(std::string name, VAddr beg, VAddr end, bool add_elf_ext = true);
-
-/**
- * Signal to the gdbstub server that it should halt CPU execution.
- *
- * @param is_memory_break If true, the break resulted from a memory breakpoint.
- */
-void Break(bool is_memory_break = false);
-
-/// Determine if there was a memory breakpoint.
-bool IsMemoryBreak();
-
-/// Read and handle packet from gdb client.
-void HandlePacket();
-
-/**
- * Get the nearest breakpoint of the specified type at the given address.
- *
- * @param addr Address to search from.
- * @param type Type of breakpoint.
- */
-BreakpointAddress GetNextBreakpointFromAddress(VAddr addr, GDBStub::BreakpointType type);
-
-/**
- * Check if a breakpoint of the specified type exists at the given address.
- *
- * @param addr Address of breakpoint.
- * @param type Type of breakpoint.
- */
-bool CheckBreakpoint(VAddr addr, GDBStub::BreakpointType type);
-
-/// If set to true, the CPU will halt at the beginning of the next CPU loop.
-bool GetCpuHaltFlag();
-
-/// If set to true and the CPU is halted, the CPU will step one instruction.
-bool GetCpuStepFlag();
-
-/**
- * When set to true, the CPU will step one instruction when the CPU is halted next.
- *
- * @param is_step
- */
-void SetCpuStepFlag(bool is_step);
-
-/**
- * Send trap signal from thread back to the gdbstub server.
- *
- * @param thread Sending thread.
- * @param trap Trap no.
- */
-void SendTrap(Kernel::Thread* thread, int trap);
-} // namespace GDBStub

src/core/hle/ipc_helpers.h

@@ -166,8 +166,23 @@ public:
         ValidateHeader();
     }
 
+    void PushImpl(s8 value);
+    void PushImpl(s16 value);
+    void PushImpl(s32 value);
+    void PushImpl(s64 value);
+    void PushImpl(u8 value);
+    void PushImpl(u16 value);
+    void PushImpl(u32 value);
+    void PushImpl(u64 value);
+    void PushImpl(float value);
+    void PushImpl(double value);
+    void PushImpl(bool value);
+    void PushImpl(ResultCode value);
+
     template <typename T>
-    void Push(T value);
+    void Push(T value) {
+        return PushImpl(value);
+    }
 
     template <typename First, typename... Other>
     void Push(const First& first_value, const Other&... other_values);
@@ -215,13 +230,11 @@ private:
 
 /// Push ///
 
-template <>
-inline void ResponseBuilder::Push(s32 value) {
+inline void ResponseBuilder::PushImpl(s32 value) {
     cmdbuf[index++] = static_cast<u32>(value);
 }
 
-template <>
-inline void ResponseBuilder::Push(u32 value) {
+inline void ResponseBuilder::PushImpl(u32 value) {
     cmdbuf[index++] = value;
 }
 
@@ -233,62 +246,52 @@ void ResponseBuilder::PushRaw(const T& value) {
     index += (sizeof(T) + 3) / 4; // round up to word length
 }
 
-template <>
-inline void ResponseBuilder::Push(ResultCode value) {
+inline void ResponseBuilder::PushImpl(ResultCode value) {
     // Result codes are actually 64-bit in the IPC buffer, but only the high part is discarded.
     Push(value.raw);
     Push<u32>(0);
 }
 
-template <>
-inline void ResponseBuilder::Push(s8 value) {
+inline void ResponseBuilder::PushImpl(s8 value) {
     PushRaw(value);
 }
 
-template <>
-inline void ResponseBuilder::Push(s16 value) {
+inline void ResponseBuilder::PushImpl(s16 value) {
     PushRaw(value);
 }
 
-template <>
-inline void ResponseBuilder::Push(s64 value) {
-    Push(static_cast<u32>(value));
-    Push(static_cast<u32>(value >> 32));
+inline void ResponseBuilder::PushImpl(s64 value) {
+    PushImpl(static_cast<u32>(value));
+    PushImpl(static_cast<u32>(value >> 32));
 }
 
-template <>
-inline void ResponseBuilder::Push(u8 value) {
+inline void ResponseBuilder::PushImpl(u8 value) {
     PushRaw(value);
 }
 
-template <>
-inline void ResponseBuilder::Push(u16 value) {
+inline void ResponseBuilder::PushImpl(u16 value) {
     PushRaw(value);
 }
 
-template <>
-inline void ResponseBuilder::Push(u64 value) {
-    Push(static_cast<u32>(value));
-    Push(static_cast<u32>(value >> 32));
+inline void ResponseBuilder::PushImpl(u64 value) {
+    PushImpl(static_cast<u32>(value));
+    PushImpl(static_cast<u32>(value >> 32));
 }
 
-template <>
-inline void ResponseBuilder::Push(float value) {
+inline void ResponseBuilder::PushImpl(float value) {
     u32 integral;
     std::memcpy(&integral, &value, sizeof(u32));
-    Push(integral);
+    PushImpl(integral);
 }
 
-template <>
-inline void ResponseBuilder::Push(double value) {
+inline void ResponseBuilder::PushImpl(double value) {
     u64 integral;
     std::memcpy(&integral, &value, sizeof(u64));
-    Push(integral);
+    PushImpl(integral);
 }
 
-template <>
-inline void ResponseBuilder::Push(bool value) {
-    Push(static_cast<u8>(value));
+inline void ResponseBuilder::PushImpl(bool value) {
+    PushImpl(static_cast<u8>(value));
 }
 
 template <typename First, typename... Other>

src/core/hle/kernel/address_arbiter.cpp

@@ -275,12 +275,6 @@ ResultCode AddressArbiter::WaitForAddressIfEqual(VAddr address, s32 value, s64 t
     return current_thread->GetSignalingResult();
 }
 
-void AddressArbiter::HandleWakeupThread(std::shared_ptr<Thread> thread) {
-    ASSERT(thread->GetStatus() == ThreadStatus::WaitArb);
-    RemoveThread(thread);
-    thread->SetArbiterWaitAddress(0);
-}
-
 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];

src/core/hle/kernel/address_arbiter.h

@@ -50,9 +50,6 @@ 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);

src/core/hle/kernel/kernel.cpp

@@ -68,6 +68,12 @@ struct KernelCore::Impl {
         InitializeSuspendThreads();
     }
 
+    void InitializeCores() {
+        for (auto& core : cores) {
+            core.Initialize(current_process->Is64BitProcess());
+        }
+    }
+
     void Shutdown() {
         next_object_id = 0;
         next_kernel_process_id = Process::InitialKIPIDMin;
@@ -116,7 +122,7 @@ struct KernelCore::Impl {
             Core::MakeExclusiveMonitor(system.Memory(), Core::Hardware::NUM_CPU_CORES);
         for (std::size_t i = 0; i < Core::Hardware::NUM_CPU_CORES; i++) {
             schedulers[i] = std::make_unique<Kernel::Scheduler>(system, i);
-            cores.emplace_back(system, i, *schedulers[i], interrupts[i]);
+            cores.emplace_back(i, system, *schedulers[i], interrupts);
         }
     }
 
@@ -181,6 +187,7 @@ struct KernelCore::Impl {
         if (process == nullptr) {
             return;
         }
+
         const u32 core_id = GetCurrentHostThreadID();
         if (core_id < Core::Hardware::NUM_CPU_CORES) {
             system.Memory().SetCurrentPageTable(*process, core_id);
@@ -372,6 +379,10 @@ void KernelCore::Initialize() {
     impl->Initialize(*this);
 }
 
+void KernelCore::InitializeCores() {
+    impl->InitializeCores();
+}
+
 void KernelCore::Shutdown() {
     impl->Shutdown();
 }
@@ -486,12 +497,17 @@ const Core::ExclusiveMonitor& KernelCore::GetExclusiveMonitor() const {
 }
 
 void KernelCore::InvalidateAllInstructionCaches() {
-    auto& threads = GlobalScheduler().GetThreadList();
-    for (auto& thread : threads) {
-        if (!thread->IsHLEThread()) {
-            auto& arm_interface = thread->ArmInterface();
-            arm_interface.ClearInstructionCache();
+    for (auto& physical_core : impl->cores) {
+        physical_core.ArmInterface().ClearInstructionCache();
+    }
+}
+
+void KernelCore::InvalidateCpuInstructionCacheRange(VAddr addr, std::size_t size) {
+    for (auto& physical_core : impl->cores) {
+        if (!physical_core.IsInitialized()) {
+            continue;
         }
+        physical_core.ArmInterface().InvalidateCacheRange(addr, size);
     }
 }
 

src/core/hle/kernel/kernel.h

@@ -74,6 +74,9 @@ public:
     /// Resets the kernel to a clean slate for use.
     void Initialize();
 
+    /// Initializes the CPU cores.
+    void InitializeCores();
+
     /// Clears all resources in use by the kernel instance.
     void Shutdown();
 
@@ -153,6 +156,8 @@ public:
 
     void InvalidateAllInstructionCaches();
 
+    void InvalidateCpuInstructionCacheRange(VAddr addr, std::size_t size);
+
     /// Adds a port to the named port table
     void AddNamedPort(std::string name, std::shared_ptr<ClientPort> port);
 

src/core/hle/kernel/memory/memory_block.h

@@ -222,9 +222,9 @@ public:
 
 public:
     constexpr MemoryBlock() = default;
-    constexpr MemoryBlock(VAddr addr, std::size_t num_pages, MemoryState state,
-                          MemoryPermission perm, MemoryAttribute attribute)
-        : addr{addr}, num_pages(num_pages), state{state}, perm{perm}, attribute{attribute} {}
+    constexpr MemoryBlock(VAddr addr_, std::size_t num_pages_, MemoryState state_,
+                          MemoryPermission perm_, MemoryAttribute attribute_)
+        : addr{addr_}, num_pages(num_pages_), state{state_}, perm{perm_}, attribute{attribute_} {}
 
     constexpr VAddr GetAddress() const {
         return addr;

src/core/hle/kernel/memory/memory_block_manager.h

@@ -57,8 +57,8 @@ public:
 private:
     void MergeAdjacent(iterator it, iterator& next_it);
 
-    const VAddr start_addr;
-    const VAddr end_addr;
+    [[maybe_unused]] const VAddr start_addr;
+    [[maybe_unused]] const VAddr end_addr;
 
     MemoryBlockTree memory_block_tree;
 };

src/core/hle/kernel/memory/page_table.cpp

@@ -670,6 +670,11 @@ ResultCode PageTable::SetCodeMemoryPermission(VAddr addr, std::size_t size, Memo
         return RESULT_SUCCESS;
     }
 
+    if ((prev_perm & MemoryPermission::Execute) != (perm & MemoryPermission::Execute)) {
+        // Memory execution state is changing, invalidate CPU cache range
+        system.InvalidateCpuInstructionCacheRange(addr, size);
+    }
+
     const std::size_t num_pages{size / PageSize};
     const OperationType operation{(perm & MemoryPermission::Execute) != MemoryPermission::None
                                       ? OperationType::ChangePermissionsAndRefresh

src/core/hle/kernel/physical_core.cpp

@@ -4,21 +4,43 @@
 
 #include "common/spin_lock.h"
 #include "core/arm/cpu_interrupt_handler.h"
+#include "core/arm/dynarmic/arm_dynarmic_32.h"
+#include "core/arm/dynarmic/arm_dynarmic_64.h"
 #include "core/core.h"
+#include "core/hle/kernel/kernel.h"
 #include "core/hle/kernel/physical_core.h"
 #include "core/hle/kernel/scheduler.h"
 
 namespace Kernel {
 
-PhysicalCore::PhysicalCore(Core::System& system, std::size_t id, Kernel::Scheduler& scheduler,
-                           Core::CPUInterruptHandler& interrupt_handler)
-    : interrupt_handler{interrupt_handler},
-      core_index{id}, scheduler{scheduler}, guard{std::make_unique<Common::SpinLock>()} {}
+PhysicalCore::PhysicalCore(std::size_t core_index, Core::System& system,
+                           Kernel::Scheduler& scheduler, Core::CPUInterrupts& interrupts)
+    : core_index{core_index}, system{system}, scheduler{scheduler},
+      interrupts{interrupts}, guard{std::make_unique<Common::SpinLock>()} {}
 
 PhysicalCore::~PhysicalCore() = default;
 
+void PhysicalCore::Initialize([[maybe_unused]] bool is_64_bit) {
+#ifdef ARCHITECTURE_x86_64
+    auto& kernel = system.Kernel();
+    if (is_64_bit) {
+        arm_interface = std::make_unique<Core::ARM_Dynarmic_64>(
+            system, interrupts, kernel.IsMulticore(), kernel.GetExclusiveMonitor(), core_index);
+    } else {
+        arm_interface = std::make_unique<Core::ARM_Dynarmic_32>(
+            system, interrupts, kernel.IsMulticore(), kernel.GetExclusiveMonitor(), core_index);
+    }
+#else
+#error Platform not supported yet.
+#endif
+}
+
+void PhysicalCore::Run() {
+    arm_interface->Run();
+}
+
 void PhysicalCore::Idle() {
-    interrupt_handler.AwaitInterrupt();
+    interrupts[core_index].AwaitInterrupt();
 }
 
 void PhysicalCore::Shutdown() {
@@ -26,18 +48,18 @@ void PhysicalCore::Shutdown() {
 }
 
 bool PhysicalCore::IsInterrupted() const {
-    return interrupt_handler.IsInterrupted();
+    return interrupts[core_index].IsInterrupted();
 }
 
 void PhysicalCore::Interrupt() {
     guard->lock();
-    interrupt_handler.SetInterrupt(true);
+    interrupts[core_index].SetInterrupt(true);
     guard->unlock();
 }
 
 void PhysicalCore::ClearInterrupt() {
     guard->lock();
-    interrupt_handler.SetInterrupt(false);
+    interrupts[core_index].SetInterrupt(false);
     guard->unlock();
 }
 

src/core/hle/kernel/physical_core.h

@@ -4,9 +4,12 @@
 
 #pragma once
 
+#include <array>
 #include <cstddef>
 #include <memory>
 
+#include "core/arm/arm_interface.h"
+
 namespace Common {
 class SpinLock;
 }
@@ -16,7 +19,6 @@ class Scheduler;
 } // namespace Kernel
 
 namespace Core {
-class ARM_Interface;
 class CPUInterruptHandler;
 class ExclusiveMonitor;
 class System;
@@ -26,17 +28,24 @@ namespace Kernel {
 
 class PhysicalCore {
 public:
-    PhysicalCore(Core::System& system, std::size_t id, Kernel::Scheduler& scheduler,
-                 Core::CPUInterruptHandler& interrupt_handler);
+    PhysicalCore(std::size_t core_index, Core::System& system, Kernel::Scheduler& scheduler,
+                 Core::CPUInterrupts& interrupts);
     ~PhysicalCore();
 
     PhysicalCore(const PhysicalCore&) = delete;
     PhysicalCore& operator=(const PhysicalCore&) = delete;
 
     PhysicalCore(PhysicalCore&&) = default;
-    PhysicalCore& operator=(PhysicalCore&&) = default;
+    PhysicalCore& operator=(PhysicalCore&&) = delete;
+
+    /// Initialize the core for the specified parameters.
+    void Initialize(bool is_64_bit);
+
+    /// Execute current jit state
+    void Run();
 
     void Idle();
+
     /// Interrupt this physical core.
     void Interrupt();
 
@@ -49,6 +58,18 @@ public:
     // Shutdown this physical core.
     void Shutdown();
 
+    bool IsInitialized() const {
+        return arm_interface != nullptr;
+    }
+
+    Core::ARM_Interface& ArmInterface() {
+        return *arm_interface;
+    }
+
+    const Core::ARM_Interface& ArmInterface() const {
+        return *arm_interface;
+    }
+
     bool IsMainCore() const {
         return core_index == 0;
     }
@@ -70,10 +91,12 @@ public:
     }
 
 private:
-    Core::CPUInterruptHandler& interrupt_handler;
-    std::size_t core_index;
+    const std::size_t core_index;
+    Core::System& system;
     Kernel::Scheduler& scheduler;
+    Core::CPUInterrupts& interrupts;
     std::unique_ptr<Common::SpinLock> guard;
+    std::unique_ptr<Core::ARM_Interface> arm_interface;
 };
 
 } // namespace Kernel

src/core/hle/kernel/scheduler.cpp

@@ -618,14 +618,16 @@ void Scheduler::OnThreadStart() {
     SwitchContextStep2();
 }
 
-void Scheduler::Unload() {
-    Thread* thread = current_thread.get();
+void Scheduler::Unload(Thread* thread) {
     if (thread) {
-        thread->SetContinuousOnSVC(false);
         thread->last_running_ticks = system.CoreTiming().GetCPUTicks();
         thread->SetIsRunning(false);
+        if (thread->IsContinuousOnSVC() && !thread->IsHLEThread()) {
+            system.ArmInterface(core_id).ExceptionalExit();
+            thread->SetContinuousOnSVC(false);
+        }
         if (!thread->IsHLEThread() && !thread->HasExited()) {
-            Core::ARM_Interface& cpu_core = thread->ArmInterface();
+            Core::ARM_Interface& cpu_core = system.ArmInterface(core_id);
             cpu_core.SaveContext(thread->GetContext32());
             cpu_core.SaveContext(thread->GetContext64());
             // Save the TPIDR_EL0 system register in case it was modified.
@@ -636,8 +638,11 @@ void Scheduler::Unload() {
     }
 }
 
-void Scheduler::Reload() {
-    Thread* thread = current_thread.get();
+void Scheduler::Unload() {
+    Unload(current_thread.get());
+}
+
+void Scheduler::Reload(Thread* thread) {
     if (thread) {
         ASSERT_MSG(thread->GetSchedulingStatus() == ThreadSchedStatus::Runnable,
                    "Thread must be runnable.");
@@ -652,42 +657,23 @@ void Scheduler::Reload() {
             system.Kernel().MakeCurrentProcess(thread_owner_process);
         }
         if (!thread->IsHLEThread()) {
-            Core::ARM_Interface& cpu_core = thread->ArmInterface();
+            Core::ARM_Interface& cpu_core = system.ArmInterface(core_id);
             cpu_core.LoadContext(thread->GetContext32());
             cpu_core.LoadContext(thread->GetContext64());
             cpu_core.SetTlsAddress(thread->GetTLSAddress());
             cpu_core.SetTPIDR_EL0(thread->GetTPIDR_EL0());
-            cpu_core.ChangeProcessorID(this->core_id);
             cpu_core.ClearExclusiveState();
         }
     }
 }
 
+void Scheduler::Reload() {
+    Reload(current_thread.get());
+}
+
 void Scheduler::SwitchContextStep2() {
     // Load context of new thread
-    if (selected_thread) {
-        ASSERT_MSG(selected_thread->GetSchedulingStatus() == ThreadSchedStatus::Runnable,
-                   "Thread must be runnable.");
-
-        // Cancel any outstanding wakeup events for this thread
-        selected_thread->SetIsRunning(true);
-        selected_thread->last_running_ticks = system.CoreTiming().GetCPUTicks();
-        selected_thread->SetWasRunning(false);
-
-        auto* const thread_owner_process = current_thread->GetOwnerProcess();
-        if (thread_owner_process != nullptr) {
-            system.Kernel().MakeCurrentProcess(thread_owner_process);
-        }
-        if (!selected_thread->IsHLEThread()) {
-            Core::ARM_Interface& cpu_core = selected_thread->ArmInterface();
-            cpu_core.LoadContext(selected_thread->GetContext32());
-            cpu_core.LoadContext(selected_thread->GetContext64());
-            cpu_core.SetTlsAddress(selected_thread->GetTLSAddress());
-            cpu_core.SetTPIDR_EL0(selected_thread->GetTPIDR_EL0());
-            cpu_core.ChangeProcessorID(this->core_id);
-            cpu_core.ClearExclusiveState();
-        }
-    }
+    Reload(selected_thread.get());
 
     TryDoContextSwitch();
 }
@@ -711,23 +697,7 @@ void Scheduler::SwitchContext() {
     UpdateLastContextSwitchTime(previous_thread, previous_process);
 
     // Save context for previous thread
-    if (previous_thread) {
-        if (new_thread != nullptr && new_thread->IsSuspendThread()) {
-            previous_thread->SetWasRunning(true);
-        }
-        previous_thread->SetContinuousOnSVC(false);
-        previous_thread->last_running_ticks = system.CoreTiming().GetCPUTicks();
-        previous_thread->SetIsRunning(false);
-        if (!previous_thread->IsHLEThread() && !previous_thread->HasExited()) {
-            Core::ARM_Interface& cpu_core = previous_thread->ArmInterface();
-            cpu_core.SaveContext(previous_thread->GetContext32());
-            cpu_core.SaveContext(previous_thread->GetContext64());
-            // Save the TPIDR_EL0 system register in case it was modified.
-            previous_thread->SetTPIDR_EL0(cpu_core.GetTPIDR_EL0());
-            cpu_core.ClearExclusiveState();
-        }
-        previous_thread->context_guard.unlock();
-    }
+    Unload(previous_thread);
 
     std::shared_ptr<Common::Fiber>* old_context;
     if (previous_thread != nullptr) {

src/core/hle/kernel/scheduler.h

@@ -212,8 +212,10 @@ public:
 
     /// The next two are for SingleCore Only.
     /// Unload current thread before preempting core.
+    void Unload(Thread* thread);
     void Unload();
     /// Reload current thread after core preemption.
+    void Reload(Thread* thread);
     void Reload();
 
     /// Gets the current running thread

src/core/hle/kernel/svc.cpp

@@ -681,7 +681,7 @@ static void Break32(Core::System& system, u32 reason, u32 info1, u32 info2) {
 }
 
 /// Used to output a message on a debug hardware unit - does nothing on a retail unit
-static void OutputDebugString([[maybe_unused]] Core::System& system, VAddr address, u64 len) {
+static void OutputDebugString(Core::System& system, VAddr address, u64 len) {
     if (len == 0) {
         return;
     }
@@ -2639,6 +2639,9 @@ void Call(Core::System& system, u32 immediate) {
     auto& kernel = system.Kernel();
     kernel.EnterSVCProfile();
 
+    auto* thread = system.CurrentScheduler().GetCurrentThread();
+    thread->SetContinuousOnSVC(true);
+
     const FunctionDef* info = system.CurrentProcess()->Is64BitProcess() ? GetSVCInfo64(immediate)
                                                                         : GetSVCInfo32(immediate);
     if (info) {
@@ -2652,6 +2655,12 @@ void Call(Core::System& system, u32 immediate) {
     }
 
     kernel.ExitSVCProfile();
+
+    if (!thread->IsContinuousOnSVC()) {
+        auto* host_context = thread->GetHostContext().get();
+        host_context->Rewind();
+    }
+
     system.EnterDynarmicProfile();
 }
 

src/core/hle/kernel/synchronization_object.h

@@ -4,6 +4,7 @@
 
 #pragma once
 
+#include <atomic>
 #include <memory>
 #include <vector>
 
@@ -56,7 +57,7 @@ public:
     void ClearWaitingThreads();
 
 protected:
-    bool is_signaled{}; // Tells if this sync object is signalled;
+    std::atomic_bool is_signaled{}; // Tells if this sync object is signaled
 
 private:
     /// Threads waiting for this object to become available

src/core/hle/kernel/thread.cpp

@@ -12,7 +12,6 @@
 #include "common/fiber.h"
 #include "common/logging/log.h"
 #include "common/thread_queue_list.h"
-#include "core/arm/arm_interface.h"
 #include "core/core.h"
 #include "core/cpu_manager.h"
 #include "core/hardware_properties.h"
@@ -62,7 +61,6 @@ void Thread::Stop() {
             // Mark the TLS slot in the thread's page as free.
             owner_process->FreeTLSRegion(tls_address);
         }
-        arm_interface.reset();
         has_exited = true;
     }
     global_handle = 0;
@@ -90,10 +88,6 @@ void Thread::ResumeFromWait() {
         // before actually resuming. We can ignore subsequent wakeups if the thread status has
         // already been set to ThreadStatus::Ready.
         return;
-
-    case ThreadStatus::Running:
-        DEBUG_ASSERT_MSG(false, "Thread with object id {} has already resumed.", GetObjectId());
-        return;
     case ThreadStatus::Dead:
         // This should never happen, as threads must complete before being stopped.
         DEBUG_ASSERT_MSG(false, "Thread with object id {} cannot be resumed because it's DEAD.",
@@ -217,22 +211,9 @@ ResultVal<std::shared_ptr<Thread>> Thread::Create(Core::System& system, ThreadTy
         thread->tls_address = 0;
     }
 
-    thread->arm_interface.reset();
+    // TODO(peachum): move to ScheduleThread() when scheduler is added so selected core is used
+    // to initialize the context
     if ((type_flags & THREADTYPE_HLE) == 0) {
-#ifdef ARCHITECTURE_x86_64
-        if (owner_process && !owner_process->Is64BitProcess()) {
-            thread->arm_interface = std::make_unique<Core::ARM_Dynarmic_32>(
-                system, kernel.Interrupts(), kernel.IsMulticore(), kernel.GetExclusiveMonitor(),
-                processor_id);
-        } else {
-            thread->arm_interface = std::make_unique<Core::ARM_Dynarmic_64>(
-                system, kernel.Interrupts(), kernel.IsMulticore(), kernel.GetExclusiveMonitor(),
-                processor_id);
-        }
-#else
-#error Platform not supported yet.
-#endif
-
         ResetThreadContext32(thread->context_32, static_cast<u32>(stack_top),
                              static_cast<u32>(entry_point), static_cast<u32>(arg));
         ResetThreadContext64(thread->context_64, stack_top, entry_point, arg);
@@ -268,14 +249,6 @@ VAddr Thread::GetCommandBufferAddress() const {
     return GetTLSAddress() + command_header_offset;
 }
 
-Core::ARM_Interface& Thread::ArmInterface() {
-    return *arm_interface;
-}
-
-const Core::ARM_Interface& Thread::ArmInterface() const {
-    return *arm_interface;
-}
-
 void Thread::SetStatus(ThreadStatus new_status) {
     if (new_status == status) {
         return;
@@ -283,7 +256,6 @@ void Thread::SetStatus(ThreadStatus new_status) {
 
     switch (new_status) {
     case ThreadStatus::Ready:
-    case ThreadStatus::Running:
         SetSchedulingStatus(ThreadSchedStatus::Runnable);
         break;
     case ThreadStatus::Dormant:

src/core/hle/kernel/thread.h

@@ -72,7 +72,6 @@ enum ThreadProcessorId : s32 {
 };
 
 enum class ThreadStatus {
-    Running,      ///< Currently running
     Ready,        ///< Ready to run
     Paused,       ///< Paused by SetThreadActivity or debug
     WaitHLEEvent, ///< Waiting for hle event to finish
@@ -248,10 +247,6 @@ public:
 
     void SetSynchronizationResults(SynchronizationObject* object, ResultCode result);
 
-    Core::ARM_Interface& ArmInterface();
-
-    const Core::ARM_Interface& ArmInterface() const;
-
     SynchronizationObject* GetSignalingObject() const {
         return signaling_object;
     }
@@ -586,7 +581,6 @@ private:
     Common::SpinLock context_guard{};
     ThreadContext32 context_32{};
     ThreadContext64 context_64{};
-    std::unique_ptr<Core::ARM_Interface> arm_interface{};
     std::shared_ptr<Common::Fiber> host_context{};
 
     u64 thread_id = 0;

src/core/hle/kernel/time_manager.cpp

@@ -24,11 +24,15 @@ TimeManager::TimeManager(Core::System& system_) : system{system_} {
                 return;
             }
             auto thread = this->system.Kernel().RetrieveThreadFromGlobalHandleTable(proper_handle);
-            thread->OnWakeUp();
+            if (thread) {
+                // Thread can be null if process has exited
+                thread->OnWakeUp();
+            }
         });
 }
 
 void TimeManager::ScheduleTimeEvent(Handle& event_handle, Thread* timetask, s64 nanoseconds) {
+    std::lock_guard lock{mutex};
     event_handle = timetask->GetGlobalHandle();
     if (nanoseconds > 0) {
         ASSERT(timetask);
@@ -43,6 +47,7 @@ void TimeManager::ScheduleTimeEvent(Handle& event_handle, Thread* timetask, s64
 }
 
 void TimeManager::UnscheduleTimeEvent(Handle event_handle) {
+    std::lock_guard lock{mutex};
     if (event_handle == InvalidHandle) {
         return;
     }
@@ -51,7 +56,7 @@ void TimeManager::UnscheduleTimeEvent(Handle event_handle) {
 }
 
 void TimeManager::CancelTimeEvent(Thread* time_task) {
-    Handle event_handle = time_task->GetGlobalHandle();
+    const Handle event_handle = time_task->GetGlobalHandle();
     UnscheduleTimeEvent(event_handle);
 }
 

src/core/hle/kernel/time_manager.h

@@ -5,6 +5,7 @@
 #pragma once
 
 #include <memory>
+#include <mutex>
 #include <unordered_map>
 
 #include "core/hle/kernel/object.h"
@@ -42,6 +43,7 @@ private:
     Core::System& system;
     std::shared_ptr<Core::Timing::EventType> time_manager_event_type;
     std::unordered_map<Handle, bool> cancelled_events;
+    std::mutex mutex;
 };
 
 } // namespace Kernel

src/core/hle/result.h

@@ -119,7 +119,7 @@ union ResultCode {
     BitField<0, 9, ErrorModule> module;
     BitField<9, 13, u32> description;
 
-    constexpr explicit ResultCode(u32 raw) : raw(raw) {}
+    constexpr explicit ResultCode(u32 raw_) : raw(raw_) {}
 
     constexpr ResultCode(ErrorModule module_, u32 description_)
         : raw(module.FormatValue(module_) | description.FormatValue(description_)) {}

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

@@ -47,8 +47,8 @@ static constexpr u32 SanitizeJPEGSize(std::size_t size) {
 
 class IManagerForSystemService final : public ServiceFramework<IManagerForSystemService> {
 public:
-    explicit IManagerForSystemService(Common::UUID user_id)
-        : ServiceFramework("IManagerForSystemService") {
+    explicit IManagerForSystemService(Core::System& system_, Common::UUID)
+        : ServiceFramework{system_, "IManagerForSystemService"} {
         // clang-format off
         static const FunctionInfo functions[] = {
             {0, nullptr, "CheckAvailability"},
@@ -83,8 +83,8 @@ public:
 // 3.0.0+
 class IFloatingRegistrationRequest final : public ServiceFramework<IFloatingRegistrationRequest> {
 public:
-    explicit IFloatingRegistrationRequest(Common::UUID user_id)
-        : ServiceFramework("IFloatingRegistrationRequest") {
+    explicit IFloatingRegistrationRequest(Core::System& system_, Common::UUID)
+        : ServiceFramework{system_, "IFloatingRegistrationRequest"} {
         // clang-format off
         static const FunctionInfo functions[] = {
             {0, nullptr, "GetSessionId"},
@@ -108,7 +108,8 @@ public:
 
 class IAdministrator final : public ServiceFramework<IAdministrator> {
 public:
-    explicit IAdministrator(Common::UUID user_id) : ServiceFramework("IAdministrator") {
+    explicit IAdministrator(Core::System& system_, Common::UUID)
+        : ServiceFramework{system_, "IAdministrator"} {
         // clang-format off
         static const FunctionInfo functions[] = {
             {0, nullptr, "CheckAvailability"},
@@ -165,8 +166,8 @@ public:
 
 class IAuthorizationRequest final : public ServiceFramework<IAuthorizationRequest> {
 public:
-    explicit IAuthorizationRequest(Common::UUID user_id)
-        : ServiceFramework("IAuthorizationRequest") {
+    explicit IAuthorizationRequest(Core::System& system_, Common::UUID)
+        : ServiceFramework{system_, "IAuthorizationRequest"} {
         // clang-format off
         static const FunctionInfo functions[] = {
             {0, nullptr, "GetSessionId"},
@@ -184,7 +185,8 @@ public:
 
 class IOAuthProcedure final : public ServiceFramework<IOAuthProcedure> {
 public:
-    explicit IOAuthProcedure(Common::UUID user_id) : ServiceFramework("IOAuthProcedure") {
+    explicit IOAuthProcedure(Core::System& system_, Common::UUID)
+        : ServiceFramework{system_, "IOAuthProcedure"} {
         // clang-format off
         static const FunctionInfo functions[] = {
             {0, nullptr, "PrepareAsync"},
@@ -202,8 +204,8 @@ public:
 // 3.0.0+
 class IOAuthProcedureForExternalNsa final : public ServiceFramework<IOAuthProcedureForExternalNsa> {
 public:
-    explicit IOAuthProcedureForExternalNsa(Common::UUID user_id)
-        : ServiceFramework("IOAuthProcedureForExternalNsa") {
+    explicit IOAuthProcedureForExternalNsa(Core::System& system_, Common::UUID)
+        : ServiceFramework{system_, "IOAuthProcedureForExternalNsa"} {
         // clang-format off
         static const FunctionInfo functions[] = {
             {0, nullptr, "PrepareAsync"},
@@ -225,8 +227,8 @@ public:
 class IOAuthProcedureForNintendoAccountLinkage final
     : public ServiceFramework<IOAuthProcedureForNintendoAccountLinkage> {
 public:
-    explicit IOAuthProcedureForNintendoAccountLinkage(Common::UUID user_id)
-        : ServiceFramework("IOAuthProcedureForNintendoAccountLinkage") {
+    explicit IOAuthProcedureForNintendoAccountLinkage(Core::System& system_, Common::UUID)
+        : ServiceFramework{system_, "IOAuthProcedureForNintendoAccountLinkage"} {
         // clang-format off
         static const FunctionInfo functions[] = {
             {0, nullptr, "PrepareAsync"},
@@ -246,7 +248,8 @@ public:
 
 class INotifier final : public ServiceFramework<INotifier> {
 public:
-    explicit INotifier(Common::UUID user_id) : ServiceFramework("INotifier") {
+    explicit INotifier(Core::System& system_, Common::UUID)
+        : ServiceFramework{system_, "INotifier"} {
         // clang-format off
         static const FunctionInfo functions[] = {
             {0, nullptr, "GetSystemEvent"},
@@ -259,9 +262,9 @@ public:
 
 class IProfileCommon : public ServiceFramework<IProfileCommon> {
 public:
-    explicit IProfileCommon(const char* name, bool editor_commands, Common::UUID user_id,
-                            ProfileManager& profile_manager)
-        : ServiceFramework(name), profile_manager(profile_manager), user_id(user_id) {
+    explicit IProfileCommon(Core::System& system_, const char* name, bool editor_commands,
+                            Common::UUID user_id_, ProfileManager& profile_manager_)
+        : ServiceFramework{system_, name}, profile_manager{profile_manager_}, user_id{user_id_} {
         static const FunctionInfo functions[] = {
             {0, &IProfileCommon::Get, "Get"},
             {1, &IProfileCommon::GetBase, "GetBase"},
@@ -427,19 +430,21 @@ protected:
 
 class IProfile final : public IProfileCommon {
 public:
-    IProfile(Common::UUID user_id, ProfileManager& profile_manager)
-        : IProfileCommon("IProfile", false, user_id, profile_manager) {}
+    explicit IProfile(Core::System& system_, Common::UUID user_id_,
+                      ProfileManager& profile_manager_)
+        : IProfileCommon{system_, "IProfile", false, user_id_, profile_manager_} {}
 };
 
 class IProfileEditor final : public IProfileCommon {
 public:
-    IProfileEditor(Common::UUID user_id, ProfileManager& profile_manager)
-        : IProfileCommon("IProfileEditor", true, user_id, profile_manager) {}
+    explicit IProfileEditor(Core::System& system_, Common::UUID user_id_,
+                            ProfileManager& profile_manager_)
+        : IProfileCommon{system_, "IProfileEditor", true, user_id_, profile_manager_} {}
 };
 
 class IAsyncContext final : public ServiceFramework<IAsyncContext> {
 public:
-    explicit IAsyncContext(Common::UUID user_id) : ServiceFramework("IAsyncContext") {
+    explicit IAsyncContext(Core::System& system_) : ServiceFramework{system_, "IAsyncContext"} {
         // clang-format off
         static const FunctionInfo functions[] = {
             {0, nullptr, "GetSystemEvent"},
@@ -455,7 +460,8 @@ public:
 
 class ISessionObject final : public ServiceFramework<ISessionObject> {
 public:
-    explicit ISessionObject(Common::UUID user_id) : ServiceFramework("ISessionObject") {
+    explicit ISessionObject(Core::System& system_, Common::UUID)
+        : ServiceFramework{system_, "ISessionObject"} {
         // clang-format off
         static const FunctionInfo functions[] = {
             {999, nullptr, "Dummy"},
@@ -468,7 +474,8 @@ public:
 
 class IGuestLoginRequest final : public ServiceFramework<IGuestLoginRequest> {
 public:
-    explicit IGuestLoginRequest(Common::UUID) : ServiceFramework("IGuestLoginRequest") {
+    explicit IGuestLoginRequest(Core::System& system_, Common::UUID)
+        : ServiceFramework{system_, "IGuestLoginRequest"} {
         // clang-format off
         static const FunctionInfo functions[] = {
             {0, nullptr, "GetSessionId"},
@@ -487,8 +494,8 @@ public:
 
 class IManagerForApplication final : public ServiceFramework<IManagerForApplication> {
 public:
-    explicit IManagerForApplication(Common::UUID user_id)
-        : ServiceFramework("IManagerForApplication"), user_id(user_id) {
+    explicit IManagerForApplication(Core::System& system_, Common::UUID user_id_)
+        : ServiceFramework{system_, "IManagerForApplication"}, user_id{user_id_} {
         // clang-format off
         static const FunctionInfo functions[] = {
             {0, &IManagerForApplication::CheckAvailability, "CheckAvailability"},
@@ -534,8 +541,8 @@ private:
 class IAsyncNetworkServiceLicenseKindContext final
     : public ServiceFramework<IAsyncNetworkServiceLicenseKindContext> {
 public:
-    explicit IAsyncNetworkServiceLicenseKindContext(Common::UUID user_id)
-        : ServiceFramework("IAsyncNetworkServiceLicenseKindContext") {
+    explicit IAsyncNetworkServiceLicenseKindContext(Core::System& system_, Common::UUID)
+        : ServiceFramework{system_, "IAsyncNetworkServiceLicenseKindContext"} {
         // clang-format off
         static const FunctionInfo functions[] = {
             {0, nullptr, "GetSystemEvent"},
@@ -554,8 +561,8 @@ public:
 class IOAuthProcedureForUserRegistration final
     : public ServiceFramework<IOAuthProcedureForUserRegistration> {
 public:
-    explicit IOAuthProcedureForUserRegistration(Common::UUID user_id)
-        : ServiceFramework("IOAuthProcedureForUserRegistration") {
+    explicit IOAuthProcedureForUserRegistration(Core::System& system_, Common::UUID)
+        : ServiceFramework{system_, "IOAuthProcedureForUserRegistration"} {
         // clang-format off
         static const FunctionInfo functions[] = {
             {0, nullptr, "PrepareAsync"},
@@ -578,7 +585,7 @@ public:
 
 class DAUTH_O final : public ServiceFramework<DAUTH_O> {
 public:
-    explicit DAUTH_O(Common::UUID) : ServiceFramework("dauth:o") {
+    explicit DAUTH_O(Core::System& system_, Common::UUID) : ServiceFramework{system_, "dauth:o"} {
         // clang-format off
         static const FunctionInfo functions[] = {
             {0, nullptr, "EnsureAuthenticationTokenCacheAsync"}, // [5.0.0-5.1.0] GeneratePostData
@@ -597,7 +604,8 @@ public:
 // 6.0.0+
 class IAsyncResult final : public ServiceFramework<IAsyncResult> {
 public:
-    explicit IAsyncResult(Common::UUID user_id) : ServiceFramework("IAsyncResult") {
+    explicit IAsyncResult(Core::System& system_, Common::UUID)
+        : ServiceFramework{system_, "IAsyncResult"} {
         // clang-format off
         static const FunctionInfo functions[] = {
             {0, nullptr, "GetResult"},
@@ -656,7 +664,7 @@ void Module::Interface::GetProfile(Kernel::HLERequestContext& ctx) {
 
     IPC::ResponseBuilder rb{ctx, 2, 0, 1};
     rb.Push(RESULT_SUCCESS);
-    rb.PushIpcInterface<IProfile>(user_id, *profile_manager);
+    rb.PushIpcInterface<IProfile>(system, user_id, *profile_manager);
 }
 
 void Module::Interface::IsUserRegistrationRequestPermitted(Kernel::HLERequestContext& ctx) {
@@ -731,7 +739,7 @@ void Module::Interface::GetBaasAccountManagerForApplication(Kernel::HLERequestCo
     LOG_DEBUG(Service_ACC, "called");
     IPC::ResponseBuilder rb{ctx, 2, 0, 1};
     rb.Push(RESULT_SUCCESS);
-    rb.PushIpcInterface<IManagerForApplication>(profile_manager->GetLastOpenedUser());
+    rb.PushIpcInterface<IManagerForApplication>(system, profile_manager->GetLastOpenedUser());
 }
 
 void Module::Interface::IsUserAccountSwitchLocked(Kernel::HLERequestContext& ctx) {
@@ -742,8 +750,10 @@ void Module::Interface::IsUserAccountSwitchLocked(Kernel::HLERequestContext& ctx
     bool is_locked = false;
 
     if (res != Loader::ResultStatus::Success) {
-        FileSys::PatchManager pm{system.CurrentProcess()->GetTitleID()};
-        auto nacp_unique = pm.GetControlMetadata().first;
+        const FileSys::PatchManager pm{system.CurrentProcess()->GetTitleID(),
+                                       system.GetFileSystemController(),
+                                       system.GetContentProvider()};
+        const auto nacp_unique = pm.GetControlMetadata().first;
 
         if (nacp_unique != nullptr) {
             is_locked = nacp_unique->GetUserAccountSwitchLock();
@@ -767,7 +777,7 @@ void Module::Interface::GetProfileEditor(Kernel::HLERequestContext& ctx) {
 
     IPC::ResponseBuilder rb{ctx, 2, 0, 1};
     rb.Push(RESULT_SUCCESS);
-    rb.PushIpcInterface<IProfileEditor>(user_id, *profile_manager);
+    rb.PushIpcInterface<IProfileEditor>(system, user_id, *profile_manager);
 }
 
 void Module::Interface::ListQualifiedUsers(Kernel::HLERequestContext& ctx) {
@@ -789,7 +799,7 @@ void Module::Interface::LoadOpenContext(Kernel::HLERequestContext& ctx) {
     // TODO: Find the differences between this and GetBaasAccountManagerForApplication
     IPC::ResponseBuilder rb{ctx, 2, 0, 1};
     rb.Push(RESULT_SUCCESS);
-    rb.PushIpcInterface<IManagerForApplication>(profile_manager->GetLastOpenedUser());
+    rb.PushIpcInterface<IManagerForApplication>(system, profile_manager->GetLastOpenedUser());
 }
 
 void Module::Interface::ListOpenContextStoredUsers(Kernel::HLERequestContext& ctx) {
@@ -825,11 +835,11 @@ void Module::Interface::TrySelectUserWithoutInteraction(Kernel::HLERequestContex
     rb.PushRaw<u128>(profile_manager->GetUser(0)->uuid);
 }
 
-Module::Interface::Interface(std::shared_ptr<Module> module,
-                             std::shared_ptr<ProfileManager> profile_manager, Core::System& system,
-                             const char* name)
-    : ServiceFramework(name), module(std::move(module)),
-      profile_manager(std::move(profile_manager)), system(system) {}
+Module::Interface::Interface(std::shared_ptr<Module> module_,
+                             std::shared_ptr<ProfileManager> profile_manager_,
+                             Core::System& system_, const char* name)
+    : ServiceFramework{system_, name}, module{std::move(module_)}, profile_manager{std::move(
+                                                                       profile_manager_)} {}
 
 Module::Interface::~Interface() = default;
 

src/core/hle/service/acc/acc.h

@@ -15,8 +15,8 @@ class Module final {
 public:
     class Interface : public ServiceFramework<Interface> {
     public:
-        explicit Interface(std::shared_ptr<Module> module,
-                           std::shared_ptr<ProfileManager> profile_manager, Core::System& system,
+        explicit Interface(std::shared_ptr<Module> module_,
+                           std::shared_ptr<ProfileManager> profile_manager_, Core::System& system_,
                            const char* name);
         ~Interface() override;
 
@@ -60,7 +60,6 @@ public:
     protected:
         std::shared_ptr<Module> module;
         std::shared_ptr<ProfileManager> profile_manager;
-        Core::System& system;
     };
 };
 

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

@@ -64,7 +64,7 @@ struct LaunchParameterAccountPreselectedUser {
 static_assert(sizeof(LaunchParameterAccountPreselectedUser) == 0x88);
 
 IWindowController::IWindowController(Core::System& system_)
-    : ServiceFramework("IWindowController"), system{system_} {
+    : ServiceFramework{system_, "IWindowController"} {
     // clang-format off
     static const FunctionInfo functions[] = {
         {0, nullptr, "CreateWindow"},
@@ -99,7 +99,8 @@ void IWindowController::AcquireForegroundRights(Kernel::HLERequestContext& ctx)
     rb.Push(RESULT_SUCCESS);
 }
 
-IAudioController::IAudioController() : ServiceFramework("IAudioController") {
+IAudioController::IAudioController(Core::System& system_)
+    : ServiceFramework{system_, "IAudioController"} {
     // clang-format off
     static const FunctionInfo functions[] = {
         {0, &IAudioController::SetExpectedMasterVolume, "SetExpectedMasterVolume"},
@@ -180,7 +181,8 @@ void IAudioController::SetTransparentAudioRate(Kernel::HLERequestContext& ctx) {
     rb.Push(RESULT_SUCCESS);
 }
 
-IDisplayController::IDisplayController() : ServiceFramework("IDisplayController") {
+IDisplayController::IDisplayController(Core::System& system_)
+    : ServiceFramework{system_, "IDisplayController"} {
     // clang-format off
     static const FunctionInfo functions[] = {
         {0, nullptr, "GetLastForegroundCaptureImage"},
@@ -219,7 +221,8 @@ IDisplayController::IDisplayController() : ServiceFramework("IDisplayController"
 
 IDisplayController::~IDisplayController() = default;
 
-IDebugFunctions::IDebugFunctions() : ServiceFramework{"IDebugFunctions"} {
+IDebugFunctions::IDebugFunctions(Core::System& system_)
+    : ServiceFramework{system_, "IDebugFunctions"} {
     // clang-format off
     static const FunctionInfo functions[] = {
         {0, nullptr, "NotifyMessageToHomeMenuForDebug"},
@@ -246,9 +249,8 @@ IDebugFunctions::IDebugFunctions() : ServiceFramework{"IDebugFunctions"} {
 
 IDebugFunctions::~IDebugFunctions() = default;
 
-ISelfController::ISelfController(Core::System& system,
-                                 std::shared_ptr<NVFlinger::NVFlinger> nvflinger)
-    : ServiceFramework("ISelfController"), system(system), nvflinger(std::move(nvflinger)) {
+ISelfController::ISelfController(Core::System& system_, NVFlinger::NVFlinger& nvflinger_)
+    : ServiceFramework{system_, "ISelfController"}, nvflinger{nvflinger_} {
     // clang-format off
     static const FunctionInfo functions[] = {
         {0, &ISelfController::Exit, "Exit"},
@@ -458,8 +460,8 @@ void ISelfController::CreateManagedDisplayLayer(Kernel::HLERequestContext& ctx)
 
     // TODO(Subv): Find out how AM determines the display to use, for now just
     // create the layer in the Default display.
-    const auto display_id = nvflinger->OpenDisplay("Default");
-    const auto layer_id = nvflinger->CreateLayer(*display_id);
+    const auto display_id = nvflinger.OpenDisplay("Default");
+    const auto layer_id = nvflinger.CreateLayer(*display_id);
 
     IPC::ResponseBuilder rb{ctx, 4};
     rb.Push(RESULT_SUCCESS);
@@ -476,8 +478,8 @@ void ISelfController::CreateManagedDisplaySeparableLayer(Kernel::HLERequestConte
     // Outputting 1 layer id instead of the expected 2 has not been observed to cause any adverse
     // side effects.
     // TODO: Support multiple layers
-    const auto display_id = nvflinger->OpenDisplay("Default");
-    const auto layer_id = nvflinger->CreateLayer(*display_id);
+    const auto display_id = nvflinger.OpenDisplay("Default");
+    const auto layer_id = nvflinger.CreateLayer(*display_id);
 
     IPC::ResponseBuilder rb{ctx, 4};
     rb.Push(RESULT_SUCCESS);
@@ -606,9 +608,9 @@ void AppletMessageQueue::RequestExit() {
     PushMessage(AppletMessage::ExitRequested);
 }
 
-ICommonStateGetter::ICommonStateGetter(Core::System& system,
-                                       std::shared_ptr<AppletMessageQueue> msg_queue)
-    : ServiceFramework("ICommonStateGetter"), system(system), msg_queue(std::move(msg_queue)) {
+ICommonStateGetter::ICommonStateGetter(Core::System& system_,
+                                       std::shared_ptr<AppletMessageQueue> msg_queue_)
+    : ServiceFramework{system_, "ICommonStateGetter"}, msg_queue{std::move(msg_queue_)} {
     // clang-format off
     static const FunctionInfo functions[] = {
         {0, &ICommonStateGetter::GetEventHandle, "GetEventHandle"},
@@ -796,8 +798,9 @@ private:
     std::vector<u8> buffer;
 };
 
-IStorage::IStorage(std::vector<u8>&& buffer)
-    : ServiceFramework("IStorage"), impl{std::make_shared<StorageDataImpl>(std::move(buffer))} {
+IStorage::IStorage(Core::System& system_, std::vector<u8>&& buffer)
+    : ServiceFramework{system_, "IStorage"}, impl{std::make_shared<StorageDataImpl>(
+                                                 std::move(buffer))} {
     Register();
 }
 
@@ -820,7 +823,7 @@ void IStorage::Open(Kernel::HLERequestContext& ctx) {
     IPC::ResponseBuilder rb{ctx, 2, 0, 1};
 
     rb.Push(RESULT_SUCCESS);
-    rb.PushIpcInterface<IStorageAccessor>(*this);
+    rb.PushIpcInterface<IStorageAccessor>(system, *this);
 }
 
 void ICommonStateGetter::GetOperationMode(Kernel::HLERequestContext& ctx) {
@@ -842,8 +845,8 @@ void ICommonStateGetter::GetPerformanceMode(Kernel::HLERequestContext& ctx) {
 
 class ILibraryAppletAccessor final : public ServiceFramework<ILibraryAppletAccessor> {
 public:
-    explicit ILibraryAppletAccessor(std::shared_ptr<Applets::Applet> applet)
-        : ServiceFramework("ILibraryAppletAccessor"), applet(std::move(applet)) {
+    explicit ILibraryAppletAccessor(Core::System& system_, std::shared_ptr<Applets::Applet> applet_)
+        : ServiceFramework{system_, "ILibraryAppletAccessor"}, applet{std::move(applet_)} {
         // clang-format off
         static const FunctionInfo functions[] = {
             {0, &ILibraryAppletAccessor::GetAppletStateChangedEvent, "GetAppletStateChangedEvent"},
@@ -998,8 +1001,8 @@ private:
     std::shared_ptr<Applets::Applet> applet;
 };
 
-IStorageAccessor::IStorageAccessor(IStorage& storage)
-    : ServiceFramework("IStorageAccessor"), backing(storage) {
+IStorageAccessor::IStorageAccessor(Core::System& system_, IStorage& backing_)
+    : ServiceFramework{system_, "IStorageAccessor"}, backing{backing_} {
     // clang-format off
         static const FunctionInfo functions[] = {
             {0, &IStorageAccessor::GetSize, "GetSize"},
@@ -1070,7 +1073,7 @@ void IStorageAccessor::Read(Kernel::HLERequestContext& ctx) {
 }
 
 ILibraryAppletCreator::ILibraryAppletCreator(Core::System& system_)
-    : ServiceFramework("ILibraryAppletCreator"), system{system_} {
+    : ServiceFramework{system_, "ILibraryAppletCreator"} {
     static const FunctionInfo functions[] = {
         {0, &ILibraryAppletCreator::CreateLibraryApplet, "CreateLibraryApplet"},
         {1, nullptr, "TerminateAllLibraryApplets"},
@@ -1106,7 +1109,7 @@ void ILibraryAppletCreator::CreateLibraryApplet(Kernel::HLERequestContext& ctx)
     IPC::ResponseBuilder rb{ctx, 2, 0, 1};
 
     rb.Push(RESULT_SUCCESS);
-    rb.PushIpcInterface<AM::ILibraryAppletAccessor>(applet);
+    rb.PushIpcInterface<ILibraryAppletAccessor>(system, applet);
 }
 
 void ILibraryAppletCreator::CreateStorage(Kernel::HLERequestContext& ctx) {
@@ -1118,7 +1121,7 @@ void ILibraryAppletCreator::CreateStorage(Kernel::HLERequestContext& ctx) {
 
     IPC::ResponseBuilder rb{ctx, 2, 0, 1};
     rb.Push(RESULT_SUCCESS);
-    rb.PushIpcInterface<AM::IStorage>(std::move(buffer));
+    rb.PushIpcInterface<IStorage>(system, std::move(buffer));
 }
 
 void ILibraryAppletCreator::CreateTransferMemoryStorage(Kernel::HLERequestContext& ctx) {
@@ -1145,11 +1148,11 @@ void ILibraryAppletCreator::CreateTransferMemoryStorage(Kernel::HLERequestContex
 
     IPC::ResponseBuilder rb{ctx, 2, 0, 1};
     rb.Push(RESULT_SUCCESS);
-    rb.PushIpcInterface<IStorage>(std::move(memory));
+    rb.PushIpcInterface<IStorage>(system, std::move(memory));
 }
 
 IApplicationFunctions::IApplicationFunctions(Core::System& system_)
-    : ServiceFramework("IApplicationFunctions"), system{system_} {
+    : ServiceFramework{system_, "IApplicationFunctions"} {
     // clang-format off
     static const FunctionInfo functions[] = {
         {1, &IApplicationFunctions::PopLaunchParameter, "PopLaunchParameter"},
@@ -1189,9 +1192,9 @@ IApplicationFunctions::IApplicationFunctions(Core::System& system_)
         {102, &IApplicationFunctions::SetApplicationCopyrightVisibility, "SetApplicationCopyrightVisibility"},
         {110, &IApplicationFunctions::QueryApplicationPlayStatistics, "QueryApplicationPlayStatistics"},
         {111, &IApplicationFunctions::QueryApplicationPlayStatisticsByUid, "QueryApplicationPlayStatisticsByUid"},
-        {120, nullptr, "ExecuteProgram"},
-        {121, nullptr, "ClearUserChannel"},
-        {122, nullptr, "UnpopToUserChannel"},
+        {120, &IApplicationFunctions::ExecuteProgram, "ExecuteProgram"},
+        {121, &IApplicationFunctions::ClearUserChannel, "ClearUserChannel"},
+        {122, &IApplicationFunctions::UnpopToUserChannel, "UnpopToUserChannel"},
         {123, &IApplicationFunctions::GetPreviousProgramIndex, "GetPreviousProgramIndex"},
         {124, nullptr, "EnableApplicationAllThreadDumpOnCrash"},
         {130, &IApplicationFunctions::GetGpuErrorDetectedSystemEvent, "GetGpuErrorDetectedSystemEvent"},
@@ -1301,7 +1304,7 @@ void IApplicationFunctions::PopLaunchParameter(Kernel::HLERequestContext& ctx) {
         if (data.has_value()) {
             IPC::ResponseBuilder rb{ctx, 2, 0, 1};
             rb.Push(RESULT_SUCCESS);
-            rb.PushIpcInterface<IStorage>(std::move(*data));
+            rb.PushIpcInterface<IStorage>(system, std::move(*data));
             launch_popped_application_specific = true;
             return;
         }
@@ -1324,7 +1327,7 @@ void IApplicationFunctions::PopLaunchParameter(Kernel::HLERequestContext& ctx) {
         std::vector<u8> buffer(sizeof(LaunchParameterAccountPreselectedUser));
         std::memcpy(buffer.data(), &params, buffer.size());
 
-        rb.PushIpcInterface<IStorage>(std::move(buffer));
+        rb.PushIpcInterface<IStorage>(system, std::move(buffer));
         launch_popped_account_preselect = true;
         return;
     }
@@ -1381,13 +1384,16 @@ void IApplicationFunctions::GetDisplayVersion(Kernel::HLERequestContext& ctx) {
     const auto res = [this] {
         const auto title_id = system.CurrentProcess()->GetTitleID();
 
-        FileSys::PatchManager pm{title_id};
+        const FileSys::PatchManager pm{title_id, system.GetFileSystemController(),
+                                       system.GetContentProvider()};
         auto res = pm.GetControlMetadata();
         if (res.first != nullptr) {
             return res;
         }
 
-        FileSys::PatchManager pm_update{FileSys::GetUpdateTitleID(title_id)};
+        const FileSys::PatchManager pm_update{FileSys::GetUpdateTitleID(title_id),
+                                              system.GetFileSystemController(),
+                                              system.GetContentProvider()};
         return pm_update.GetControlMetadata();
     }();
 
@@ -1415,13 +1421,16 @@ void IApplicationFunctions::GetDesiredLanguage(Kernel::HLERequestContext& ctx) {
     const auto res = [this] {
         const auto title_id = system.CurrentProcess()->GetTitleID();
 
-        FileSys::PatchManager pm{title_id};
+        const FileSys::PatchManager pm{title_id, system.GetFileSystemController(),
+                                       system.GetContentProvider()};
         auto res = pm.GetControlMetadata();
         if (res.first != nullptr) {
             return res;
         }
 
-        FileSys::PatchManager pm_update{FileSys::GetUpdateTitleID(title_id)};
+        const FileSys::PatchManager pm_update{FileSys::GetUpdateTitleID(title_id),
+                                              system.GetFileSystemController(),
+                                              system.GetContentProvider()};
         return pm_update.GetControlMetadata();
     }();
 
@@ -1556,6 +1565,34 @@ void IApplicationFunctions::QueryApplicationPlayStatisticsByUid(Kernel::HLEReque
     rb.Push<u32>(0);
 }
 
+void IApplicationFunctions::ExecuteProgram(Kernel::HLERequestContext& ctx) {
+    LOG_WARNING(Service_AM, "(STUBBED) called");
+
+    IPC::RequestParser rp{ctx};
+    [[maybe_unused]] const auto unk_1 = rp.Pop<u32>();
+    [[maybe_unused]] const auto unk_2 = rp.Pop<u32>();
+    const auto program_index = rp.Pop<u64>();
+
+    IPC::ResponseBuilder rb{ctx, 2};
+    rb.Push(RESULT_SUCCESS);
+
+    system.ExecuteProgram(program_index);
+}
+
+void IApplicationFunctions::ClearUserChannel(Kernel::HLERequestContext& ctx) {
+    LOG_WARNING(Service_AM, "(STUBBED) called");
+
+    IPC::ResponseBuilder rb{ctx, 2};
+    rb.Push(RESULT_SUCCESS);
+}
+
+void IApplicationFunctions::UnpopToUserChannel(Kernel::HLERequestContext& ctx) {
+    LOG_WARNING(Service_AM, "(STUBBED) called");
+
+    IPC::ResponseBuilder rb{ctx, 2};
+    rb.Push(RESULT_SUCCESS);
+}
+
 void IApplicationFunctions::GetPreviousProgramIndex(Kernel::HLERequestContext& ctx) {
     LOG_WARNING(Service_AM, "(STUBBED) called");
 
@@ -1580,22 +1617,22 @@ void IApplicationFunctions::GetFriendInvitationStorageChannelEvent(Kernel::HLERe
     rb.PushCopyObjects(friend_invitation_storage_channel_event.readable);
 }
 
-void InstallInterfaces(SM::ServiceManager& service_manager,
-                       std::shared_ptr<NVFlinger::NVFlinger> nvflinger, Core::System& system) {
+void InstallInterfaces(SM::ServiceManager& service_manager, NVFlinger::NVFlinger& nvflinger,
+                       Core::System& system) {
     auto message_queue = std::make_shared<AppletMessageQueue>(system.Kernel());
     // Needed on game boot
     message_queue->PushMessage(AppletMessageQueue::AppletMessage::FocusStateChanged);
 
     std::make_shared<AppletAE>(nvflinger, message_queue, system)->InstallAsService(service_manager);
     std::make_shared<AppletOE>(nvflinger, message_queue, system)->InstallAsService(service_manager);
-    std::make_shared<IdleSys>()->InstallAsService(service_manager);
-    std::make_shared<OMM>()->InstallAsService(service_manager);
-    std::make_shared<SPSM>()->InstallAsService(service_manager);
-    std::make_shared<TCAP>()->InstallAsService(service_manager);
+    std::make_shared<IdleSys>(system)->InstallAsService(service_manager);
+    std::make_shared<OMM>(system)->InstallAsService(service_manager);
+    std::make_shared<SPSM>(system)->InstallAsService(service_manager);
+    std::make_shared<TCAP>(system)->InstallAsService(service_manager);
 }
 
-IHomeMenuFunctions::IHomeMenuFunctions(Kernel::KernelCore& kernel)
-    : ServiceFramework("IHomeMenuFunctions"), kernel(kernel) {
+IHomeMenuFunctions::IHomeMenuFunctions(Core::System& system_)
+    : ServiceFramework{system_, "IHomeMenuFunctions"} {
     // clang-format off
     static const FunctionInfo functions[] = {
         {10, &IHomeMenuFunctions::RequestToGetForeground, "RequestToGetForeground"},
@@ -1614,7 +1651,7 @@ IHomeMenuFunctions::IHomeMenuFunctions(Kernel::KernelCore& kernel)
     RegisterHandlers(functions);
 
     pop_from_general_channel_event = Kernel::WritableEvent::CreateEventPair(
-        kernel, "IHomeMenuFunctions:PopFromGeneralChannelEvent");
+        system.Kernel(), "IHomeMenuFunctions:PopFromGeneralChannelEvent");
 }
 
 IHomeMenuFunctions::~IHomeMenuFunctions() = default;
@@ -1634,7 +1671,8 @@ void IHomeMenuFunctions::GetPopFromGeneralChannelEvent(Kernel::HLERequestContext
     rb.PushCopyObjects(pop_from_general_channel_event.readable);
 }
 
-IGlobalStateController::IGlobalStateController() : ServiceFramework("IGlobalStateController") {
+IGlobalStateController::IGlobalStateController(Core::System& system_)
+    : ServiceFramework{system_, "IGlobalStateController"} {
     // clang-format off
     static const FunctionInfo functions[] = {
         {0, nullptr, "RequestToEnterSleep"},
@@ -1657,7 +1695,8 @@ IGlobalStateController::IGlobalStateController() : ServiceFramework("IGlobalStat
 
 IGlobalStateController::~IGlobalStateController() = default;
 
-IApplicationCreator::IApplicationCreator() : ServiceFramework("IApplicationCreator") {
+IApplicationCreator::IApplicationCreator(Core::System& system_)
+    : ServiceFramework{system_, "IApplicationCreator"} {
     // clang-format off
     static const FunctionInfo functions[] = {
         {0, nullptr, "CreateApplication"},
@@ -1672,8 +1711,8 @@ IApplicationCreator::IApplicationCreator() : ServiceFramework("IApplicationCreat
 
 IApplicationCreator::~IApplicationCreator() = default;
 
-IProcessWindingController::IProcessWindingController()
-    : ServiceFramework("IProcessWindingController") {
+IProcessWindingController::IProcessWindingController(Core::System& system_)
+    : ServiceFramework{system_, "IProcessWindingController"} {
     // clang-format off
     static const FunctionInfo functions[] = {
         {0, nullptr, "GetLaunchReason"},

src/core/hle/service/am/am.h

@@ -77,13 +77,11 @@ public:
 private:
     void GetAppletResourceUserId(Kernel::HLERequestContext& ctx);
     void AcquireForegroundRights(Kernel::HLERequestContext& ctx);
-
-    Core::System& system;
 };
 
 class IAudioController final : public ServiceFramework<IAudioController> {
 public:
-    IAudioController();
+    explicit IAudioController(Core::System& system_);
     ~IAudioController() override;
 
 private:
@@ -109,20 +107,19 @@ private:
 
 class IDisplayController final : public ServiceFramework<IDisplayController> {
 public:
-    IDisplayController();
+    explicit IDisplayController(Core::System& system_);
     ~IDisplayController() override;
 };
 
 class IDebugFunctions final : public ServiceFramework<IDebugFunctions> {
 public:
-    IDebugFunctions();
+    explicit IDebugFunctions(Core::System& system_);
     ~IDebugFunctions() override;
 };
 
 class ISelfController final : public ServiceFramework<ISelfController> {
 public:
-    explicit ISelfController(Core::System& system_,
-                             std::shared_ptr<NVFlinger::NVFlinger> nvflinger_);
+    explicit ISelfController(Core::System& system_, NVFlinger::NVFlinger& nvflinger_);
     ~ISelfController() override;
 
 private:
@@ -155,8 +152,7 @@ private:
         Disable = 2,
     };
 
-    Core::System& system;
-    std::shared_ptr<NVFlinger::NVFlinger> nvflinger;
+    NVFlinger::NVFlinger& nvflinger;
     Kernel::EventPair launchable_event;
     Kernel::EventPair accumulated_suspended_tick_changed_event;
 
@@ -168,8 +164,8 @@ private:
 
 class ICommonStateGetter final : public ServiceFramework<ICommonStateGetter> {
 public:
-    explicit ICommonStateGetter(Core::System& system,
-                                std::shared_ptr<AppletMessageQueue> msg_queue);
+    explicit ICommonStateGetter(Core::System& system_,
+                                std::shared_ptr<AppletMessageQueue> msg_queue_);
     ~ICommonStateGetter() override;
 
 private:
@@ -197,7 +193,6 @@ private:
     void GetDefaultDisplayResolution(Kernel::HLERequestContext& ctx);
     void SetCpuBoostMode(Kernel::HLERequestContext& ctx);
 
-    Core::System& system;
     std::shared_ptr<AppletMessageQueue> msg_queue;
     bool vr_mode_state{};
 };
@@ -212,7 +207,7 @@ public:
 
 class IStorage final : public ServiceFramework<IStorage> {
 public:
-    explicit IStorage(std::vector<u8>&& buffer);
+    explicit IStorage(Core::System& system_, std::vector<u8>&& buffer);
     ~IStorage() override;
 
     std::vector<u8>& GetData() {
@@ -236,7 +231,7 @@ private:
 
 class IStorageAccessor final : public ServiceFramework<IStorageAccessor> {
 public:
-    explicit IStorageAccessor(IStorage& backing);
+    explicit IStorageAccessor(Core::System& system_, IStorage& backing_);
     ~IStorageAccessor() override;
 
 private:
@@ -256,8 +251,6 @@ private:
     void CreateLibraryApplet(Kernel::HLERequestContext& ctx);
     void CreateStorage(Kernel::HLERequestContext& ctx);
     void CreateTransferMemoryStorage(Kernel::HLERequestContext& ctx);
-
-    Core::System& system;
 };
 
 class IApplicationFunctions final : public ServiceFramework<IApplicationFunctions> {
@@ -288,6 +281,9 @@ private:
     void SetApplicationCopyrightVisibility(Kernel::HLERequestContext& ctx);
     void QueryApplicationPlayStatistics(Kernel::HLERequestContext& ctx);
     void QueryApplicationPlayStatisticsByUid(Kernel::HLERequestContext& ctx);
+    void ExecuteProgram(Kernel::HLERequestContext& ctx);
+    void ClearUserChannel(Kernel::HLERequestContext& ctx);
+    void UnpopToUserChannel(Kernel::HLERequestContext& ctx);
     void GetPreviousProgramIndex(Kernel::HLERequestContext& ctx);
     void GetGpuErrorDetectedSystemEvent(Kernel::HLERequestContext& ctx);
     void GetFriendInvitationStorageChannelEvent(Kernel::HLERequestContext& ctx);
@@ -297,12 +293,11 @@ private:
     s32 previous_program_index{-1};
     Kernel::EventPair gpu_error_detected_event;
     Kernel::EventPair friend_invitation_storage_channel_event;
-    Core::System& system;
 };
 
 class IHomeMenuFunctions final : public ServiceFramework<IHomeMenuFunctions> {
 public:
-    explicit IHomeMenuFunctions(Kernel::KernelCore& kernel);
+    explicit IHomeMenuFunctions(Core::System& system_);
     ~IHomeMenuFunctions() override;
 
 private:
@@ -310,29 +305,28 @@ private:
     void GetPopFromGeneralChannelEvent(Kernel::HLERequestContext& ctx);
 
     Kernel::EventPair pop_from_general_channel_event;
-    Kernel::KernelCore& kernel;
 };
 
 class IGlobalStateController final : public ServiceFramework<IGlobalStateController> {
 public:
-    IGlobalStateController();
+    explicit IGlobalStateController(Core::System& system_);
     ~IGlobalStateController() override;
 };
 
 class IApplicationCreator final : public ServiceFramework<IApplicationCreator> {
 public:
-    IApplicationCreator();
+    explicit IApplicationCreator(Core::System& system_);
     ~IApplicationCreator() override;
 };
 
 class IProcessWindingController final : public ServiceFramework<IProcessWindingController> {
 public:
-    IProcessWindingController();
+    explicit IProcessWindingController(Core::System& system_);
     ~IProcessWindingController() override;
 };
 
 /// Registers all AM services with the specified service manager.
-void InstallInterfaces(SM::ServiceManager& service_manager,
-                       std::shared_ptr<NVFlinger::NVFlinger> nvflinger, Core::System& system);
+void InstallInterfaces(SM::ServiceManager& service_manager, NVFlinger::NVFlinger& nvflinger,
+                       Core::System& system);
 
 } // namespace Service::AM

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

@@ -13,11 +13,11 @@ namespace Service::AM {
 
 class ILibraryAppletProxy final : public ServiceFramework<ILibraryAppletProxy> {
 public:
-    explicit ILibraryAppletProxy(std::shared_ptr<NVFlinger::NVFlinger> nvflinger,
-                                 std::shared_ptr<AppletMessageQueue> msg_queue,
-                                 Core::System& system)
-        : ServiceFramework("ILibraryAppletProxy"), nvflinger(std::move(nvflinger)),
-          msg_queue(std::move(msg_queue)), system(system) {
+    explicit ILibraryAppletProxy(NVFlinger::NVFlinger& nvflinger_,
+                                 std::shared_ptr<AppletMessageQueue> msg_queue_,
+                                 Core::System& system_)
+        : ServiceFramework{system_, "ILibraryAppletProxy"}, nvflinger{nvflinger_},
+          msg_queue{std::move(msg_queue_)} {
         // clang-format off
         static const FunctionInfo functions[] = {
             {0, &ILibraryAppletProxy::GetCommonStateGetter, "GetCommonStateGetter"},
@@ -66,7 +66,7 @@ private:
 
         IPC::ResponseBuilder rb{ctx, 2, 0, 1};
         rb.Push(RESULT_SUCCESS);
-        rb.PushIpcInterface<IAudioController>();
+        rb.PushIpcInterface<IAudioController>(system);
     }
 
     void GetDisplayController(Kernel::HLERequestContext& ctx) {
@@ -74,7 +74,7 @@ private:
 
         IPC::ResponseBuilder rb{ctx, 2, 0, 1};
         rb.Push(RESULT_SUCCESS);
-        rb.PushIpcInterface<IDisplayController>();
+        rb.PushIpcInterface<IDisplayController>(system);
     }
 
     void GetProcessWindingController(Kernel::HLERequestContext& ctx) {
@@ -82,7 +82,7 @@ private:
 
         IPC::ResponseBuilder rb{ctx, 2, 0, 1};
         rb.Push(RESULT_SUCCESS);
-        rb.PushIpcInterface<IProcessWindingController>();
+        rb.PushIpcInterface<IProcessWindingController>(system);
     }
 
     void GetDebugFunctions(Kernel::HLERequestContext& ctx) {
@@ -90,7 +90,7 @@ private:
 
         IPC::ResponseBuilder rb{ctx, 2, 0, 1};
         rb.Push(RESULT_SUCCESS);
-        rb.PushIpcInterface<IDebugFunctions>();
+        rb.PushIpcInterface<IDebugFunctions>(system);
     }
 
     void GetLibraryAppletCreator(Kernel::HLERequestContext& ctx) {
@@ -109,17 +109,17 @@ private:
         rb.PushIpcInterface<IApplicationFunctions>(system);
     }
 
-    std::shared_ptr<NVFlinger::NVFlinger> nvflinger;
+    NVFlinger::NVFlinger& nvflinger;
     std::shared_ptr<AppletMessageQueue> msg_queue;
-    Core::System& system;
 };
 
 class ISystemAppletProxy final : public ServiceFramework<ISystemAppletProxy> {
 public:
-    explicit ISystemAppletProxy(std::shared_ptr<NVFlinger::NVFlinger> nvflinger,
-                                std::shared_ptr<AppletMessageQueue> msg_queue, Core::System& system)
-        : ServiceFramework("ISystemAppletProxy"), nvflinger(std::move(nvflinger)),
-          msg_queue(std::move(msg_queue)), system(system) {
+    explicit ISystemAppletProxy(NVFlinger::NVFlinger& nvflinger_,
+                                std::shared_ptr<AppletMessageQueue> msg_queue_,
+                                Core::System& system_)
+        : ServiceFramework{system_, "ISystemAppletProxy"}, nvflinger{nvflinger_},
+          msg_queue{std::move(msg_queue_)} {
         // clang-format off
         static const FunctionInfo functions[] = {
             {0, &ISystemAppletProxy::GetCommonStateGetter, "GetCommonStateGetter"},
@@ -170,7 +170,7 @@ private:
 
         IPC::ResponseBuilder rb{ctx, 2, 0, 1};
         rb.Push(RESULT_SUCCESS);
-        rb.PushIpcInterface<IAudioController>();
+        rb.PushIpcInterface<IAudioController>(system);
     }
 
     void GetDisplayController(Kernel::HLERequestContext& ctx) {
@@ -178,7 +178,7 @@ private:
 
         IPC::ResponseBuilder rb{ctx, 2, 0, 1};
         rb.Push(RESULT_SUCCESS);
-        rb.PushIpcInterface<IDisplayController>();
+        rb.PushIpcInterface<IDisplayController>(system);
     }
 
     void GetDebugFunctions(Kernel::HLERequestContext& ctx) {
@@ -186,7 +186,7 @@ private:
 
         IPC::ResponseBuilder rb{ctx, 2, 0, 1};
         rb.Push(RESULT_SUCCESS);
-        rb.PushIpcInterface<IDebugFunctions>();
+        rb.PushIpcInterface<IDebugFunctions>(system);
     }
 
     void GetLibraryAppletCreator(Kernel::HLERequestContext& ctx) {
@@ -202,7 +202,7 @@ private:
 
         IPC::ResponseBuilder rb{ctx, 2, 0, 1};
         rb.Push(RESULT_SUCCESS);
-        rb.PushIpcInterface<IHomeMenuFunctions>(system.Kernel());
+        rb.PushIpcInterface<IHomeMenuFunctions>(system);
     }
 
     void GetGlobalStateController(Kernel::HLERequestContext& ctx) {
@@ -210,7 +210,7 @@ private:
 
         IPC::ResponseBuilder rb{ctx, 2, 0, 1};
         rb.Push(RESULT_SUCCESS);
-        rb.PushIpcInterface<IGlobalStateController>();
+        rb.PushIpcInterface<IGlobalStateController>(system);
     }
 
     void GetApplicationCreator(Kernel::HLERequestContext& ctx) {
@@ -218,11 +218,11 @@ private:
 
         IPC::ResponseBuilder rb{ctx, 2, 0, 1};
         rb.Push(RESULT_SUCCESS);
-        rb.PushIpcInterface<IApplicationCreator>();
+        rb.PushIpcInterface<IApplicationCreator>(system);
     }
-    std::shared_ptr<NVFlinger::NVFlinger> nvflinger;
+
+    NVFlinger::NVFlinger& nvflinger;
     std::shared_ptr<AppletMessageQueue> msg_queue;
-    Core::System& system;
 };
 
 void AppletAE::OpenSystemAppletProxy(Kernel::HLERequestContext& ctx) {
@@ -249,10 +249,10 @@ void AppletAE::OpenLibraryAppletProxyOld(Kernel::HLERequestContext& ctx) {
     rb.PushIpcInterface<ILibraryAppletProxy>(nvflinger, msg_queue, system);
 }
 
-AppletAE::AppletAE(std::shared_ptr<NVFlinger::NVFlinger> nvflinger,
-                   std::shared_ptr<AppletMessageQueue> msg_queue, Core::System& system)
-    : ServiceFramework("appletAE"), nvflinger(std::move(nvflinger)),
-      msg_queue(std::move(msg_queue)), system(system) {
+AppletAE::AppletAE(NVFlinger::NVFlinger& nvflinger_, std::shared_ptr<AppletMessageQueue> msg_queue_,
+                   Core::System& system_)
+    : ServiceFramework{system_, "appletAE"}, nvflinger{nvflinger_}, msg_queue{
+                                                                        std::move(msg_queue_)} {
     // clang-format off
     static const FunctionInfo functions[] = {
         {100, &AppletAE::OpenSystemAppletProxy, "OpenSystemAppletProxy"},

src/core/hle/service/am/applet_ae.h

@@ -23,8 +23,8 @@ class AppletMessageQueue;
 
 class AppletAE final : public ServiceFramework<AppletAE> {
 public:
-    explicit AppletAE(std::shared_ptr<NVFlinger::NVFlinger> nvflinger,
-                      std::shared_ptr<AppletMessageQueue> msg_queue, Core::System& system);
+    explicit AppletAE(NVFlinger::NVFlinger& nvflinger_,
+                      std::shared_ptr<AppletMessageQueue> msg_queue_, Core::System& system_);
     ~AppletAE() override;
 
     const std::shared_ptr<AppletMessageQueue>& GetMessageQueue() const;
@@ -34,9 +34,8 @@ private:
     void OpenLibraryAppletProxy(Kernel::HLERequestContext& ctx);
     void OpenLibraryAppletProxyOld(Kernel::HLERequestContext& ctx);
 
-    std::shared_ptr<NVFlinger::NVFlinger> nvflinger;
+    NVFlinger::NVFlinger& nvflinger;
     std::shared_ptr<AppletMessageQueue> msg_queue;
-    Core::System& system;
 };
 
 } // namespace AM

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

@@ -12,10 +12,11 @@ namespace Service::AM {
 
 class IApplicationProxy final : public ServiceFramework<IApplicationProxy> {
 public:
-    explicit IApplicationProxy(std::shared_ptr<NVFlinger::NVFlinger> nvflinger,
-                               std::shared_ptr<AppletMessageQueue> msg_queue, Core::System& system)
-        : ServiceFramework("IApplicationProxy"), nvflinger(std::move(nvflinger)),
-          msg_queue(std::move(msg_queue)), system(system) {
+    explicit IApplicationProxy(NVFlinger::NVFlinger& nvflinger_,
+                               std::shared_ptr<AppletMessageQueue> msg_queue_,
+                               Core::System& system_)
+        : ServiceFramework{system_, "IApplicationProxy"}, nvflinger{nvflinger_},
+          msg_queue{std::move(msg_queue_)} {
         // clang-format off
         static const FunctionInfo functions[] = {
             {0, &IApplicationProxy::GetCommonStateGetter, "GetCommonStateGetter"},
@@ -39,7 +40,7 @@ private:
 
         IPC::ResponseBuilder rb{ctx, 2, 0, 1};
         rb.Push(RESULT_SUCCESS);
-        rb.PushIpcInterface<IAudioController>();
+        rb.PushIpcInterface<IAudioController>(system);
     }
 
     void GetDisplayController(Kernel::HLERequestContext& ctx) {
@@ -47,7 +48,7 @@ private:
 
         IPC::ResponseBuilder rb{ctx, 2, 0, 1};
         rb.Push(RESULT_SUCCESS);
-        rb.PushIpcInterface<IDisplayController>();
+        rb.PushIpcInterface<IDisplayController>(system);
     }
 
     void GetDebugFunctions(Kernel::HLERequestContext& ctx) {
@@ -55,7 +56,7 @@ private:
 
         IPC::ResponseBuilder rb{ctx, 2, 0, 1};
         rb.Push(RESULT_SUCCESS);
-        rb.PushIpcInterface<IDebugFunctions>();
+        rb.PushIpcInterface<IDebugFunctions>(system);
     }
 
     void GetWindowController(Kernel::HLERequestContext& ctx) {
@@ -98,9 +99,8 @@ private:
         rb.PushIpcInterface<IApplicationFunctions>(system);
     }
 
-    std::shared_ptr<NVFlinger::NVFlinger> nvflinger;
+    NVFlinger::NVFlinger& nvflinger;
     std::shared_ptr<AppletMessageQueue> msg_queue;
-    Core::System& system;
 };
 
 void AppletOE::OpenApplicationProxy(Kernel::HLERequestContext& ctx) {
@@ -111,10 +111,10 @@ void AppletOE::OpenApplicationProxy(Kernel::HLERequestContext& ctx) {
     rb.PushIpcInterface<IApplicationProxy>(nvflinger, msg_queue, system);
 }
 
-AppletOE::AppletOE(std::shared_ptr<NVFlinger::NVFlinger> nvflinger,
-                   std::shared_ptr<AppletMessageQueue> msg_queue, Core::System& system)
-    : ServiceFramework("appletOE"), nvflinger(std::move(nvflinger)),
-      msg_queue(std::move(msg_queue)), system(system) {
+AppletOE::AppletOE(NVFlinger::NVFlinger& nvflinger_, std::shared_ptr<AppletMessageQueue> msg_queue_,
+                   Core::System& system_)
+    : ServiceFramework{system_, "appletOE"}, nvflinger{nvflinger_}, msg_queue{
+                                                                        std::move(msg_queue_)} {
     static const FunctionInfo functions[] = {
         {0, &AppletOE::OpenApplicationProxy, "OpenApplicationProxy"},
     };

src/core/hle/service/am/applet_oe.h

@@ -23,8 +23,8 @@ class AppletMessageQueue;
 
 class AppletOE final : public ServiceFramework<AppletOE> {
 public:
-    explicit AppletOE(std::shared_ptr<NVFlinger::NVFlinger> nvflinger,
-                      std::shared_ptr<AppletMessageQueue> msg_queue, Core::System& system);
+    explicit AppletOE(NVFlinger::NVFlinger& nvflinger_,
+                      std::shared_ptr<AppletMessageQueue> msg_queue_, Core::System& system_);
     ~AppletOE() override;
 
     const std::shared_ptr<AppletMessageQueue>& GetMessageQueue() const;
@@ -32,9 +32,8 @@ public:
 private:
     void OpenApplicationProxy(Kernel::HLERequestContext& ctx);
 
-    std::shared_ptr<NVFlinger::NVFlinger> nvflinger;
+    NVFlinger::NVFlinger& nvflinger;
     std::shared_ptr<AppletMessageQueue> msg_queue;
-    Core::System& system;
 };
 
 } // namespace AM