audio_core: Make shadowing and unused parameters errors

Moves the audio code closer to enabling warnings as errors in general.

.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_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 ..
   displayName: 'Configure CMake'
 - task: MSBuild@1
   displayName: 'Build'

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"
@@ -14,12 +15,65 @@
 #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(),
@@ -35,7 +89,7 @@ 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 +116,6 @@ 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 +154,8 @@ 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 +244,22 @@ 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 +267,8 @@ 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 +283,25 @@ 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 +319,7 @@ 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{};

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

@@ -21,10 +21,10 @@ 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;
@@ -192,8 +192,9 @@ 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 +237,9 @@ 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

@@ -102,6 +102,7 @@ add_library(common STATIC
     atomic_ops.h
     detached_tasks.cpp
     detached_tasks.h
+    bit_cast.h
     bit_field.h
     bit_util.h
     cityhash.cpp

src/common/bit_cast.h

@@ -0,0 +1,22 @@
+// Copyright 2020 yuzu emulator team
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <cstring>
+#include <type_traits>
+
+namespace Common {
+
+template <typename To, typename From>
+[[nodiscard]] std::enable_if_t<sizeof(To) == sizeof(From) && std::is_trivially_copyable_v<From> &&
+                                   std::is_trivially_copyable_v<To>,
+                               To>
+BitCast(const From& src) noexcept {
+    To dst;
+    std::memcpy(&dst, &src, sizeof(To));
+    return dst;
+}
+
+} // namespace Common

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();
@@ -222,6 +232,7 @@ void DebuggerBackend::Write(const Entry& entry) {
     SUB(Service, NPNS)                                                                             \
     SUB(Service, NS)                                                                               \
     SUB(Service, NVDRV)                                                                            \
+    SUB(Service, OLSC)                                                                             \
     SUB(Service, PCIE)                                                                             \
     SUB(Service, PCTL)                                                                             \
     SUB(Service, PCV)                                                                              \

src/common/logging/log.h

@@ -95,6 +95,7 @@ enum class Class : ClassType {
     Service_NPNS,      ///< The NPNS service
     Service_NS,        ///< The NS services
     Service_NVDRV,     ///< The NVDRV (Nvidia driver) service
+    Service_OLSC,      ///< The OLSC service
     Service_PCIE,      ///< The PCIe service
     Service_PCTL,      ///< The PCTL (Parental control) service
     Service_PCV,       ///< The PCV service

src/common/virtual_buffer.h

@@ -43,9 +43,14 @@ public:
     }
 
     void resize(std::size_t count) {
+        const auto new_size = count * sizeof(T);
+        if (new_size == alloc_size) {
+            return;
+        }
+
         FreeMemoryPages(base_ptr, alloc_size);
 
-        alloc_size = count * sizeof(T);
+        alloc_size = new_size;
         base_ptr = reinterpret_cast<T*>(AllocateMemoryPages(alloc_size));
     }
 

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/core/CMakeLists.txt

@@ -458,6 +458,8 @@ add_library(core STATIC
     hle/service/nvflinger/buffer_queue.h
     hle/service/nvflinger/nvflinger.cpp
     hle/service/nvflinger/nvflinger.h
+    hle/service/olsc/olsc.cpp
+    hle/service/olsc/olsc.h
     hle/service/pcie/pcie.cpp
     hle/service/pcie/pcie.h
     hle/service/pctl/module.cpp

src/core/core.cpp

@@ -145,7 +145,7 @@ 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>();
 
@@ -187,7 +187,7 @@ struct System::Impl {
 
         service_manager = std::make_shared<Service::SM::ServiceManager>(kernel);
 
-        Service::Init(service_manager, system);
+        services = std::make_unique<Service::Services>(service_manager, system);
         GDBStub::DeferStart();
 
         interrupt_manager = std::make_unique<Core::Hardware::InterruptManager>(system);
@@ -208,9 +208,11 @@ 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 +226,7 @@ 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);
@@ -296,7 +298,7 @@ struct System::Impl {
 
         // Shutdown emulation session
         GDBStub::Shutdown();
-        Service::Shutdown();
+        services.reset();
         service_manager.reset();
         cheat_engine.reset();
         telemetry_session.reset();
@@ -306,8 +308,8 @@ 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 +340,7 @@ 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 +400,9 @@ 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 +418,8 @@ 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 +451,13 @@ 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::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 {
@@ -632,7 +644,11 @@ 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 +764,6 @@ 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 +794,16 @@ 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
@@ -173,22 +174,24 @@ 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 +200,178 @@ 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 +386,28 @@ 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

@@ -4,6 +4,7 @@
 
 #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"
@@ -343,6 +344,16 @@ 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 +362,12 @@ 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 +377,6 @@ 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/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/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 {};
     }
 };

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;
     }

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

@@ -742,8 +742,10 @@ 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();

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

@@ -246,9 +246,8 @@ 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("ISelfController"), system(system), nvflinger(nvflinger) {
     // clang-format off
     static const FunctionInfo functions[] = {
         {0, &ISelfController::Exit, "Exit"},
@@ -458,8 +457,8 @@ 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 +475,8 @@ 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);
@@ -1189,9 +1188,9 @@ 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"},
@@ -1381,13 +1380,16 @@ 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 +1417,16 @@ 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 +1561,34 @@ 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");
 
@@ -1580,8 +1613,8 @@ 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);

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

@@ -121,8 +121,7 @@ public:
 
 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:
@@ -156,7 +155,7 @@ private:
     };
 
     Core::System& system;
-    std::shared_ptr<NVFlinger::NVFlinger> nvflinger;
+    NVFlinger::NVFlinger& nvflinger;
     Kernel::EventPair launchable_event;
     Kernel::EventPair accumulated_suspended_tick_changed_event;
 
@@ -288,6 +287,9 @@ 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);
@@ -332,7 +334,7 @@ public:
 };
 
 /// 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

@@ -13,10 +13,10 @@ namespace Service::AM {
 
 class ILibraryAppletProxy final : public ServiceFramework<ILibraryAppletProxy> {
 public:
-    explicit ILibraryAppletProxy(std::shared_ptr<NVFlinger::NVFlinger> nvflinger,
+    explicit ILibraryAppletProxy(NVFlinger::NVFlinger& nvflinger,
                                  std::shared_ptr<AppletMessageQueue> msg_queue,
                                  Core::System& system)
-        : ServiceFramework("ILibraryAppletProxy"), nvflinger(std::move(nvflinger)),
+        : ServiceFramework("ILibraryAppletProxy"), nvflinger(nvflinger),
           msg_queue(std::move(msg_queue)), system(system) {
         // clang-format off
         static const FunctionInfo functions[] = {
@@ -109,16 +109,16 @@ 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,
+    explicit ISystemAppletProxy(NVFlinger::NVFlinger& nvflinger,
                                 std::shared_ptr<AppletMessageQueue> msg_queue, Core::System& system)
-        : ServiceFramework("ISystemAppletProxy"), nvflinger(std::move(nvflinger)),
+        : ServiceFramework("ISystemAppletProxy"), nvflinger(nvflinger),
           msg_queue(std::move(msg_queue)), system(system) {
         // clang-format off
         static const FunctionInfo functions[] = {
@@ -220,7 +220,8 @@ private:
         rb.Push(RESULT_SUCCESS);
         rb.PushIpcInterface<IApplicationCreator>();
     }
-    std::shared_ptr<NVFlinger::NVFlinger> nvflinger;
+
+    NVFlinger::NVFlinger& nvflinger;
     std::shared_ptr<AppletMessageQueue> msg_queue;
     Core::System& system;
 };
@@ -249,10 +250,10 @@ 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("appletAE"), nvflinger(nvflinger), msg_queue(std::move(msg_queue)),
+      system(system) {
     // clang-format off
     static const FunctionInfo functions[] = {
         {100, &AppletAE::OpenSystemAppletProxy, "OpenSystemAppletProxy"},

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

@@ -23,7 +23,7 @@ class AppletMessageQueue;
 
 class AppletAE final : public ServiceFramework<AppletAE> {
 public:
-    explicit AppletAE(std::shared_ptr<NVFlinger::NVFlinger> nvflinger,
+    explicit AppletAE(NVFlinger::NVFlinger& nvflinger,
                       std::shared_ptr<AppletMessageQueue> msg_queue, Core::System& system);
     ~AppletAE() override;
 
@@ -34,7 +34,7 @@ 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;
 };

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

@@ -12,9 +12,9 @@ namespace Service::AM {
 
 class IApplicationProxy final : public ServiceFramework<IApplicationProxy> {
 public:
-    explicit IApplicationProxy(std::shared_ptr<NVFlinger::NVFlinger> nvflinger,
+    explicit IApplicationProxy(NVFlinger::NVFlinger& nvflinger,
                                std::shared_ptr<AppletMessageQueue> msg_queue, Core::System& system)
-        : ServiceFramework("IApplicationProxy"), nvflinger(std::move(nvflinger)),
+        : ServiceFramework("IApplicationProxy"), nvflinger(nvflinger),
           msg_queue(std::move(msg_queue)), system(system) {
         // clang-format off
         static const FunctionInfo functions[] = {
@@ -98,7 +98,7 @@ private:
         rb.PushIpcInterface<IApplicationFunctions>(system);
     }
 
-    std::shared_ptr<NVFlinger::NVFlinger> nvflinger;
+    NVFlinger::NVFlinger& nvflinger;
     std::shared_ptr<AppletMessageQueue> msg_queue;
     Core::System& system;
 };
@@ -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("appletOE"), nvflinger(nvflinger), msg_queue(std::move(msg_queue)),
+      system(system) {
     static const FunctionInfo functions[] = {
         {0, &AppletOE::OpenApplicationProxy, "OpenApplicationProxy"},
     };

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

@@ -23,7 +23,7 @@ class AppletMessageQueue;
 
 class AppletOE final : public ServiceFramework<AppletOE> {
 public:
-    explicit AppletOE(std::shared_ptr<NVFlinger::NVFlinger> nvflinger,
+    explicit AppletOE(NVFlinger::NVFlinger& nvflinger,
                       std::shared_ptr<AppletMessageQueue> msg_queue, Core::System& system);
     ~AppletOE() override;
 
@@ -32,7 +32,7 @@ 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;
 };

src/core/hle/service/aoc/aoc_u.cpp

@@ -164,7 +164,8 @@ void AOC_U::GetAddOnContentBaseId(Kernel::HLERequestContext& ctx) {
     rb.Push(RESULT_SUCCESS);
 
     const auto title_id = system.CurrentProcess()->GetTitleID();
-    FileSys::PatchManager pm{title_id};
+    const FileSys::PatchManager pm{title_id, system.GetFileSystemController(),
+                                   system.GetContentProvider()};
 
     const auto res = pm.GetControlMetadata();
     if (res.first == nullptr) {

src/core/hle/service/filesystem/filesystem.cpp

@@ -455,7 +455,9 @@ FileSys::SaveDataSize FileSystemController::ReadSaveDataSize(FileSys::SaveDataTy
         const auto res = system.GetAppLoader().ReadControlData(nacp);
 
         if (res != Loader::ResultStatus::Success) {
-            FileSys::PatchManager pm{system.CurrentProcess()->GetTitleID()};
+            const FileSys::PatchManager pm{system.CurrentProcess()->GetTitleID(),
+                                           system.GetFileSystemController(),
+                                           system.GetContentProvider()};
             const auto metadata = pm.GetControlMetadata();
             const auto& nacp_unique = metadata.first;
 
@@ -728,7 +730,8 @@ void FileSystemController::CreateFactories(FileSys::VfsFilesystem& vfs, bool ove
 void InstallInterfaces(Core::System& system) {
     std::make_shared<FSP_LDR>()->InstallAsService(system.ServiceManager());
     std::make_shared<FSP_PR>()->InstallAsService(system.ServiceManager());
-    std::make_shared<FSP_SRV>(system.GetFileSystemController(), system.GetReporter())
+    std::make_shared<FSP_SRV>(system.GetFileSystemController(), system.GetContentProvider(),
+                              system.GetReporter())
         ->InstallAsService(system.ServiceManager());
 }
 

src/core/hle/service/filesystem/fsp_srv.cpp

@@ -650,8 +650,10 @@ private:
     u64 next_entry_index = 0;
 };
 
-FSP_SRV::FSP_SRV(FileSystemController& fsc, const Core::Reporter& reporter)
-    : ServiceFramework("fsp-srv"), fsc(fsc), reporter(reporter) {
+FSP_SRV::FSP_SRV(FileSystemController& fsc_, const FileSys::ContentProvider& content_provider_,
+                 const Core::Reporter& reporter_)
+    : ServiceFramework("fsp-srv"), fsc(fsc_), content_provider{content_provider_},
+      reporter(reporter_) {
     // clang-format off
     static const FunctionInfo functions[] = {
         {0, nullptr, "OpenFileSystem"},
@@ -968,7 +970,7 @@ void FSP_SRV::OpenDataStorageByDataId(Kernel::HLERequestContext& ctx) {
         return;
     }
 
-    FileSys::PatchManager pm{title_id};
+    const FileSys::PatchManager pm{title_id, fsc, content_provider};
 
     auto storage = std::make_shared<IStorage>(
         pm.PatchRomFS(std::move(data.Unwrap()), 0, FileSys::ContentRecordType::Data));

src/core/hle/service/filesystem/fsp_srv.h

@@ -12,8 +12,9 @@ class Reporter;
 }
 
 namespace FileSys {
+class ContentProvider;
 class FileSystemBackend;
-}
+} // namespace FileSys
 
 namespace Service::FileSystem {
 
@@ -32,7 +33,8 @@ enum class LogMode : u32 {
 
 class FSP_SRV final : public ServiceFramework<FSP_SRV> {
 public:
-    explicit FSP_SRV(FileSystemController& fsc, const Core::Reporter& reporter);
+    explicit FSP_SRV(FileSystemController& fsc_, const FileSys::ContentProvider& content_provider_,
+                     const Core::Reporter& reporter_);
     ~FSP_SRV() override;
 
 private:
@@ -55,6 +57,7 @@ private:
     void OpenMultiCommitManager(Kernel::HLERequestContext& ctx);
 
     FileSystemController& fsc;
+    const FileSys::ContentProvider& content_provider;
 
     FileSys::VirtualFile romfs;
     u64 current_process_id = 0;

src/core/hle/service/ns/ns.cpp

@@ -3,6 +3,7 @@
 // Refer to the license.txt file included.
 
 #include "common/logging/log.h"
+#include "core/core.h"
 #include "core/file_sys/control_metadata.h"
 #include "core/file_sys/patch_manager.h"
 #include "core/file_sys/vfs.h"
@@ -29,8 +30,8 @@ IAccountProxyInterface::IAccountProxyInterface() : ServiceFramework{"IAccountPro
 
 IAccountProxyInterface::~IAccountProxyInterface() = default;
 
-IApplicationManagerInterface::IApplicationManagerInterface()
-    : ServiceFramework{"IApplicationManagerInterface"} {
+IApplicationManagerInterface::IApplicationManagerInterface(Core::System& system_)
+    : ServiceFramework{"IApplicationManagerInterface"}, system{system_} {
     // clang-format off
     static const FunctionInfo functions[] = {
         {0, nullptr, "ListApplicationRecord"},
@@ -298,7 +299,8 @@ void IApplicationManagerInterface::GetApplicationControlData(Kernel::HLERequestC
 
     const auto size = ctx.GetWriteBufferSize();
 
-    const FileSys::PatchManager pm{title_id};
+    const FileSys::PatchManager pm{title_id, system.GetFileSystemController(),
+                                   system.GetContentProvider()};
     const auto control = pm.GetControlMetadata();
 
     std::vector<u8> out;
@@ -538,14 +540,14 @@ IFactoryResetInterface::IFactoryResetInterface::IFactoryResetInterface()
 
 IFactoryResetInterface::~IFactoryResetInterface() = default;
 
-NS::NS(const char* name) : ServiceFramework{name} {
+NS::NS(const char* name, Core::System& system_) : ServiceFramework{name}, system{system_} {
     // clang-format off
     static const FunctionInfo functions[] = {
         {7992, &NS::PushInterface<IECommerceInterface>, "GetECommerceInterface"},
         {7993, &NS::PushInterface<IApplicationVersionInterface>, "GetApplicationVersionInterface"},
         {7994, &NS::PushInterface<IFactoryResetInterface>, "GetFactoryResetInterface"},
         {7995, &NS::PushInterface<IAccountProxyInterface>, "GetAccountProxyInterface"},
-        {7996, &NS::PushInterface<IApplicationManagerInterface>, "GetApplicationManagerInterface"},
+        {7996, &NS::PushIApplicationManagerInterface, "GetApplicationManagerInterface"},
         {7997, &NS::PushInterface<IDownloadTaskInterface>, "GetDownloadTaskInterface"},
         {7998, &NS::PushInterface<IContentManagementInterface>, "GetContentManagementInterface"},
         {7999, &NS::PushInterface<IDocumentInterface>, "GetDocumentInterface"},
@@ -558,7 +560,7 @@ NS::NS(const char* name) : ServiceFramework{name} {
 NS::~NS() = default;
 
 std::shared_ptr<IApplicationManagerInterface> NS::GetApplicationManagerInterface() const {
-    return GetInterface<IApplicationManagerInterface>();
+    return GetInterface<IApplicationManagerInterface>(system);
 }
 
 class NS_DEV final : public ServiceFramework<NS_DEV> {
@@ -678,11 +680,11 @@ public:
 
 void InstallInterfaces(SM::ServiceManager& service_manager, Core::System& system) {
 
-    std::make_shared<NS>("ns:am2")->InstallAsService(service_manager);
-    std::make_shared<NS>("ns:ec")->InstallAsService(service_manager);
-    std::make_shared<NS>("ns:rid")->InstallAsService(service_manager);
-    std::make_shared<NS>("ns:rt")->InstallAsService(service_manager);
-    std::make_shared<NS>("ns:web")->InstallAsService(service_manager);
+    std::make_shared<NS>("ns:am2", system)->InstallAsService(service_manager);
+    std::make_shared<NS>("ns:ec", system)->InstallAsService(service_manager);
+    std::make_shared<NS>("ns:rid", system)->InstallAsService(service_manager);
+    std::make_shared<NS>("ns:rt", system)->InstallAsService(service_manager);
+    std::make_shared<NS>("ns:web", system)->InstallAsService(service_manager);
 
     std::make_shared<NS_DEV>()->InstallAsService(service_manager);
     std::make_shared<NS_SU>()->InstallAsService(service_manager);

src/core/hle/service/ns/ns.h

@@ -6,6 +6,10 @@
 
 #include "core/hle/service/service.h"
 
+namespace Core {
+class System;
+}
+
 namespace Service {
 
 namespace FileSystem {
@@ -22,7 +26,7 @@ public:
 
 class IApplicationManagerInterface final : public ServiceFramework<IApplicationManagerInterface> {
 public:
-    explicit IApplicationManagerInterface();
+    explicit IApplicationManagerInterface(Core::System& system_);
     ~IApplicationManagerInterface() override;
 
     ResultVal<u8> GetApplicationDesiredLanguage(u32 supported_languages);
@@ -32,6 +36,8 @@ private:
     void GetApplicationControlData(Kernel::HLERequestContext& ctx);
     void GetApplicationDesiredLanguage(Kernel::HLERequestContext& ctx);
     void ConvertApplicationLanguageToLanguageCode(Kernel::HLERequestContext& ctx);
+
+    Core::System& system;
 };
 
 class IApplicationVersionInterface final : public ServiceFramework<IApplicationVersionInterface> {
@@ -72,13 +78,13 @@ public:
 
 class NS final : public ServiceFramework<NS> {
 public:
-    explicit NS(const char* name);
+    explicit NS(const char* name, Core::System& system_);
     ~NS() override;
 
     std::shared_ptr<IApplicationManagerInterface> GetApplicationManagerInterface() const;
 
 private:
-    template <typename T>
+    template <typename T, typename... Args>
     void PushInterface(Kernel::HLERequestContext& ctx) {
         LOG_DEBUG(Service_NS, "called");
 
@@ -87,13 +93,23 @@ private:
         rb.PushIpcInterface<T>();
     }
 
-    template <typename T>
-    std::shared_ptr<T> GetInterface() const {
+    void PushIApplicationManagerInterface(Kernel::HLERequestContext& ctx) {
+        LOG_DEBUG(Service_NS, "called");
+
+        IPC::ResponseBuilder rb{ctx, 2, 0, 1};
+        rb.Push(RESULT_SUCCESS);
+        rb.PushIpcInterface<IApplicationManagerInterface>(system);
+    }
+
+    template <typename T, typename... Args>
+    std::shared_ptr<T> GetInterface(Args&&... args) const {
         static_assert(std::is_base_of_v<Kernel::SessionRequestHandler, T>,
                       "Not a base of ServiceFrameworkBase");
 
-        return std::make_shared<T>();
+        return std::make_shared<T>(std::forward<Args>(args)...);
     }
+
+    Core::System& system;
 };
 
 /// Registers all NS services with the specified service manager.

src/core/hle/service/nvdrv/devices/nvdevice.h

@@ -24,25 +24,37 @@ public:
     explicit nvdevice(Core::System& system) : system{system} {}
     virtual ~nvdevice() = default;
 
-    union Ioctl {
-        u32_le raw;
-        BitField<0, 8, u32> cmd;
-        BitField<8, 8, u32> group;
-        BitField<16, 14, u32> length;
-        BitField<30, 1, u32> is_in;
-        BitField<31, 1, u32> is_out;
-    };
-
     /**
-     * Handles an ioctl request.
+     * Handles an ioctl1 request.
      * @param command The ioctl command id.
      * @param input A buffer containing the input data for the ioctl.
      * @param output A buffer where the output data will be written to.
      * @returns The result code of the ioctl.
      */
-    virtual u32 ioctl(Ioctl command, const std::vector<u8>& input, const std::vector<u8>& input2,
-                      std::vector<u8>& output, std::vector<u8>& output2, IoctlCtrl& ctrl,
-                      IoctlVersion version) = 0;
+    virtual NvResult Ioctl1(Ioctl command, const std::vector<u8>& input,
+                            std::vector<u8>& output) = 0;
+
+    /**
+     * Handles an ioctl2 request.
+     * @param command The ioctl command id.
+     * @param input A buffer containing the input data for the ioctl.
+     * @param inline_input A buffer containing the input data for the ioctl which has been inlined.
+     * @param output A buffer where the output data will be written to.
+     * @returns The result code of the ioctl.
+     */
+    virtual NvResult Ioctl2(Ioctl command, const std::vector<u8>& input,
+                            const std::vector<u8>& inline_input, std::vector<u8>& output) = 0;
+
+    /**
+     * Handles an ioctl3 request.
+     * @param command The ioctl command id.
+     * @param input A buffer containing the input data for the ioctl.
+     * @param output A buffer where the output data will be written to.
+     * @param inline_output A buffer where the inlined output data will be written to.
+     * @returns The result code of the ioctl.
+     */
+    virtual NvResult Ioctl3(Ioctl command, const std::vector<u8>& input, std::vector<u8>& output,
+                            std::vector<u8>& inline_output) = 0;
 
 protected:
     Core::System& system;

src/core/hle/service/nvdrv/devices/nvdisp_disp0.cpp

@@ -18,11 +18,22 @@ nvdisp_disp0::nvdisp_disp0(Core::System& system, std::shared_ptr<nvmap> nvmap_de
     : nvdevice(system), nvmap_dev(std::move(nvmap_dev)) {}
 nvdisp_disp0 ::~nvdisp_disp0() = default;
 
-u32 nvdisp_disp0::ioctl(Ioctl command, const std::vector<u8>& input, const std::vector<u8>& input2,
-                        std::vector<u8>& output, std::vector<u8>& output2, IoctlCtrl& ctrl,
-                        IoctlVersion version) {
-    UNIMPLEMENTED_MSG("Unimplemented ioctl");
-    return 0;
+NvResult nvdisp_disp0::Ioctl1(Ioctl command, const std::vector<u8>& input,
+                              std::vector<u8>& output) {
+    UNIMPLEMENTED_MSG("Unimplemented ioctl={:08X}", command.raw);
+    return NvResult::NotImplemented;
+}
+
+NvResult nvdisp_disp0::Ioctl2(Ioctl command, const std::vector<u8>& input,
+                              const std::vector<u8>& inline_input, std::vector<u8>& output) {
+    UNIMPLEMENTED_MSG("Unimplemented ioctl={:08X}", command.raw);
+    return NvResult::NotImplemented;
+}
+
+NvResult nvdisp_disp0::Ioctl3(Ioctl command, const std::vector<u8>& input, std::vector<u8>& output,
+                              std::vector<u8>& inline_output) {
+    UNIMPLEMENTED_MSG("Unimplemented ioctl={:08X}", command.raw);
+    return NvResult::NotImplemented;
 }
 
 void nvdisp_disp0::flip(u32 buffer_handle, u32 offset, u32 format, u32 width, u32 height,

src/core/hle/service/nvdrv/devices/nvdisp_disp0.h

@@ -20,9 +20,11 @@ public:
     explicit nvdisp_disp0(Core::System& system, std::shared_ptr<nvmap> nvmap_dev);
     ~nvdisp_disp0() override;
 
-    u32 ioctl(Ioctl command, const std::vector<u8>& input, const std::vector<u8>& input2,
-              std::vector<u8>& output, std::vector<u8>& output2, IoctlCtrl& ctrl,
-              IoctlVersion version) override;
+    NvResult Ioctl1(Ioctl command, const std::vector<u8>& input, std::vector<u8>& output) override;
+    NvResult Ioctl2(Ioctl command, const std::vector<u8>& input,
+                    const std::vector<u8>& inline_input, std::vector<u8>& output) override;
+    NvResult Ioctl3(Ioctl command, const std::vector<u8>& input, std::vector<u8>& output,
+                    std::vector<u8>& inline_output) override;
 
     /// Performs a screen flip, drawing the buffer pointed to by the handle.
     void flip(u32 buffer_handle, u32 offset, u32 format, u32 width, u32 height, u32 stride,

src/core/hle/service/nvdrv/devices/nvhost_as_gpu.cpp

@@ -17,59 +17,77 @@
 
 namespace Service::Nvidia::Devices {
 
-namespace NvErrCodes {
-constexpr u32 Success{};
-constexpr u32 OutOfMemory{static_cast<u32>(-12)};
-constexpr u32 InvalidInput{static_cast<u32>(-22)};
-} // namespace NvErrCodes
-
 nvhost_as_gpu::nvhost_as_gpu(Core::System& system, std::shared_ptr<nvmap> nvmap_dev)
     : nvdevice(system), nvmap_dev(std::move(nvmap_dev)) {}
 nvhost_as_gpu::~nvhost_as_gpu() = default;
 
-u32 nvhost_as_gpu::ioctl(Ioctl command, const std::vector<u8>& input, const std::vector<u8>& input2,
-                         std::vector<u8>& output, std::vector<u8>& output2, IoctlCtrl& ctrl,
-                         IoctlVersion version) {
-    LOG_DEBUG(Service_NVDRV, "called, command=0x{:08X}, input_size=0x{:X}, output_size=0x{:X}",
-              command.raw, input.size(), output.size());
-
-    switch (static_cast<IoctlCommand>(command.raw)) {
-    case IoctlCommand::IocInitalizeExCommand:
-        return InitalizeEx(input, output);
-    case IoctlCommand::IocAllocateSpaceCommand:
-        return AllocateSpace(input, output);
-    case IoctlCommand::IocMapBufferExCommand:
-        return MapBufferEx(input, output);
-    case IoctlCommand::IocBindChannelCommand:
-        return BindChannel(input, output);
-    case IoctlCommand::IocGetVaRegionsCommand:
-        return GetVARegions(input, output);
-    case IoctlCommand::IocUnmapBufferCommand:
-        return UnmapBuffer(input, output);
-    case IoctlCommand::IocFreeSpaceCommand:
-        return FreeSpace(input, output);
+NvResult nvhost_as_gpu::Ioctl1(Ioctl command, const std::vector<u8>& input,
+                               std::vector<u8>& output) {
+    switch (command.group) {
+    case 'A':
+        switch (command.cmd) {
+        case 0x1:
+            return BindChannel(input, output);
+        case 0x2:
+            return AllocateSpace(input, output);
+        case 0x3:
+            return FreeSpace(input, output);
+        case 0x5:
+            return UnmapBuffer(input, output);
+        case 0x6:
+            return MapBufferEx(input, output);
+        case 0x8:
+            return GetVARegions(input, output);
+        case 0x9:
+            return InitalizeEx(input, output);
+        case 0x14:
+            return Remap(input, output);
+        default:
+            break;
+        }
+        break;
     default:
         break;
     }
 
-    if (static_cast<IoctlCommand>(command.cmd.Value()) == IoctlCommand::IocRemapCommand) {
-        return Remap(input, output);
-    }
-
-    UNIMPLEMENTED_MSG("Unimplemented ioctl command");
-    return 0;
+    UNIMPLEMENTED_MSG("Unimplemented ioctl={:08X}", command.raw);
+    return NvResult::NotImplemented;
 }
 
-u32 nvhost_as_gpu::InitalizeEx(const std::vector<u8>& input, std::vector<u8>& output) {
+NvResult nvhost_as_gpu::Ioctl2(Ioctl command, const std::vector<u8>& input,
+                               const std::vector<u8>& inline_input, std::vector<u8>& output) {
+    UNIMPLEMENTED_MSG("Unimplemented ioctl={:08X}", command.raw);
+    return NvResult::NotImplemented;
+}
+
+NvResult nvhost_as_gpu::Ioctl3(Ioctl command, const std::vector<u8>& input, std::vector<u8>& output,
+                               std::vector<u8>& inline_output) {
+    switch (command.group) {
+    case 'A':
+        switch (command.cmd) {
+        case 0x8:
+            return GetVARegions(input, output, inline_output);
+        default:
+            break;
+        }
+        break;
+    default:
+        break;
+    }
+    UNIMPLEMENTED_MSG("Unimplemented ioctl={:08X}", command.raw);
+    return NvResult::NotImplemented;
+}
+
+NvResult nvhost_as_gpu::InitalizeEx(const std::vector<u8>& input, std::vector<u8>& output) {
     IoctlInitalizeEx params{};
     std::memcpy(&params, input.data(), input.size());
 
     LOG_WARNING(Service_NVDRV, "(STUBBED) called, big_page_size=0x{:X}", params.big_page_size);
 
-    return 0;
+    return NvResult::Success;
 }
 
-u32 nvhost_as_gpu::AllocateSpace(const std::vector<u8>& input, std::vector<u8>& output) {
+NvResult nvhost_as_gpu::AllocateSpace(const std::vector<u8>& input, std::vector<u8>& output) {
     IoctlAllocSpace params{};
     std::memcpy(&params, input.data(), input.size());
 
@@ -83,17 +101,17 @@ u32 nvhost_as_gpu::AllocateSpace(const std::vector<u8>& input, std::vector<u8>&
         params.offset = system.GPU().MemoryManager().Allocate(size, params.align);
     }
 
-    auto result{NvErrCodes::Success};
+    auto result = NvResult::Success;
     if (!params.offset) {
         LOG_CRITICAL(Service_NVDRV, "allocation failed for size {}", size);
-        result = NvErrCodes::OutOfMemory;
+        result = NvResult::InsufficientMemory;
     }
 
     std::memcpy(output.data(), &params, output.size());
     return result;
 }
 
-u32 nvhost_as_gpu::FreeSpace(const std::vector<u8>& input, std::vector<u8>& output) {
+NvResult nvhost_as_gpu::FreeSpace(const std::vector<u8>& input, std::vector<u8>& output) {
     IoctlFreeSpace params{};
     std::memcpy(&params, input.data(), input.size());
 
@@ -104,15 +122,15 @@ u32 nvhost_as_gpu::FreeSpace(const std::vector<u8>& input, std::vector<u8>& outp
                                        static_cast<std::size_t>(params.pages) * params.page_size);
 
     std::memcpy(output.data(), &params, output.size());
-    return NvErrCodes::Success;
+    return NvResult::Success;
 }
 
-u32 nvhost_as_gpu::Remap(const std::vector<u8>& input, std::vector<u8>& output) {
+NvResult nvhost_as_gpu::Remap(const std::vector<u8>& input, std::vector<u8>& output) {
     const auto num_entries = input.size() / sizeof(IoctlRemapEntry);
 
     LOG_DEBUG(Service_NVDRV, "called, num_entries=0x{:X}", num_entries);
 
-    auto result{NvErrCodes::Success};
+    auto result = NvResult::Success;
     std::vector<IoctlRemapEntry> entries(num_entries);
     std::memcpy(entries.data(), input.data(), input.size());
 
@@ -123,7 +141,7 @@ u32 nvhost_as_gpu::Remap(const std::vector<u8>& input, std::vector<u8>& output)
         const auto object{nvmap_dev->GetObject(entry.nvmap_handle)};
         if (!object) {
             LOG_CRITICAL(Service_NVDRV, "invalid nvmap_handle={:X}", entry.nvmap_handle);
-            result = NvErrCodes::InvalidInput;
+            result = NvResult::InvalidState;
             break;
         }
 
@@ -134,7 +152,7 @@ u32 nvhost_as_gpu::Remap(const std::vector<u8>& input, std::vector<u8>& output)
 
         if (!addr) {
             LOG_CRITICAL(Service_NVDRV, "map returned an invalid address!");
-            result = NvErrCodes::InvalidInput;
+            result = NvResult::InvalidState;
             break;
         }
     }
@@ -143,7 +161,7 @@ u32 nvhost_as_gpu::Remap(const std::vector<u8>& input, std::vector<u8>& output)
     return result;
 }
 
-u32 nvhost_as_gpu::MapBufferEx(const std::vector<u8>& input, std::vector<u8>& output) {
+NvResult nvhost_as_gpu::MapBufferEx(const std::vector<u8>& input, std::vector<u8>& output) {
     IoctlMapBufferEx params{};
     std::memcpy(&params, input.data(), input.size());
 
@@ -157,7 +175,7 @@ u32 nvhost_as_gpu::MapBufferEx(const std::vector<u8>& input, std::vector<u8>& ou
     if (!object) {
         LOG_CRITICAL(Service_NVDRV, "invalid nvmap_handle={:X}", params.nvmap_handle);
         std::memcpy(output.data(), &params, output.size());
-        return NvErrCodes::InvalidInput;
+        return NvResult::InvalidState;
     }
 
     // The real nvservices doesn't make a distinction between handles and ids, and
@@ -184,16 +202,16 @@ u32 nvhost_as_gpu::MapBufferEx(const std::vector<u8>& input, std::vector<u8>& ou
                              params.mapping_size, params.offset);
 
                 std::memcpy(output.data(), &params, output.size());
-                return NvErrCodes::InvalidInput;
+                return NvResult::InvalidState;
             }
 
             std::memcpy(output.data(), &params, output.size());
-            return NvErrCodes::Success;
+            return NvResult::Success;
         } else {
             LOG_CRITICAL(Service_NVDRV, "address not mapped offset={}", params.offset);
 
             std::memcpy(output.data(), &params, output.size());
-            return NvErrCodes::InvalidInput;
+            return NvResult::InvalidState;
         }
     }
 
@@ -213,10 +231,10 @@ u32 nvhost_as_gpu::MapBufferEx(const std::vector<u8>& input, std::vector<u8>& ou
         params.offset = gpu.MemoryManager().Map(physical_address, params.offset, size);
     }
 
-    auto result{NvErrCodes::Success};
+    auto result = NvResult::Success;
     if (!params.offset) {
         LOG_CRITICAL(Service_NVDRV, "failed to map size={}", size);
-        result = NvErrCodes::InvalidInput;
+        result = NvResult::InvalidState;
     } else {
         AddBufferMap(params.offset, size, physical_address, is_alloc);
     }
@@ -225,7 +243,7 @@ u32 nvhost_as_gpu::MapBufferEx(const std::vector<u8>& input, std::vector<u8>& ou
     return result;
 }
 
-u32 nvhost_as_gpu::UnmapBuffer(const std::vector<u8>& input, std::vector<u8>& output) {
+NvResult nvhost_as_gpu::UnmapBuffer(const std::vector<u8>& input, std::vector<u8>& output) {
     IoctlUnmapBuffer params{};
     std::memcpy(&params, input.data(), input.size());
 
@@ -238,20 +256,19 @@ u32 nvhost_as_gpu::UnmapBuffer(const std::vector<u8>& input, std::vector<u8>& ou
     }
 
     std::memcpy(output.data(), &params, output.size());
-    return NvErrCodes::Success;
+    return NvResult::Success;
 }
 
-u32 nvhost_as_gpu::BindChannel(const std::vector<u8>& input, std::vector<u8>& output) {
+NvResult nvhost_as_gpu::BindChannel(const std::vector<u8>& input, std::vector<u8>& output) {
     IoctlBindChannel params{};
     std::memcpy(&params, input.data(), input.size());
-
-    LOG_DEBUG(Service_NVDRV, "called, fd={:X}", params.fd);
+    LOG_WARNING(Service_NVDRV, "(STUBBED) called, fd={:X}", params.fd);
 
     channel = params.fd;
-    return 0;
+    return NvResult::Success;
 }
 
-u32 nvhost_as_gpu::GetVARegions(const std::vector<u8>& input, std::vector<u8>& output) {
+NvResult nvhost_as_gpu::GetVARegions(const std::vector<u8>& input, std::vector<u8>& output) {
     IoctlGetVaRegions params{};
     std::memcpy(&params, input.data(), input.size());
 
@@ -270,7 +287,31 @@ u32 nvhost_as_gpu::GetVARegions(const std::vector<u8>& input, std::vector<u8>& o
     // TODO(ogniK): This probably can stay stubbed but should add support way way later
 
     std::memcpy(output.data(), &params, output.size());
-    return 0;
+    return NvResult::Success;
+}
+
+NvResult nvhost_as_gpu::GetVARegions(const std::vector<u8>& input, std::vector<u8>& output,
+                                     std::vector<u8>& inline_output) {
+    IoctlGetVaRegions params{};
+    std::memcpy(&params, input.data(), input.size());
+
+    LOG_WARNING(Service_NVDRV, "(STUBBED) called, buf_addr={:X}, buf_size={:X}", params.buf_addr,
+                params.buf_size);
+
+    params.buf_size = 0x30;
+    params.regions[0].offset = 0x04000000;
+    params.regions[0].page_size = 0x1000;
+    params.regions[0].pages = 0x3fbfff;
+
+    params.regions[1].offset = 0x04000000;
+    params.regions[1].page_size = 0x10000;
+    params.regions[1].pages = 0x1bffff;
+
+    // TODO(ogniK): This probably can stay stubbed but should add support way way later
+
+    std::memcpy(output.data(), &params, output.size());
+    std::memcpy(inline_output.data(), &params.regions, inline_output.size());
+    return NvResult::Success;
 }
 
 std::optional<nvhost_as_gpu::BufferMap> nvhost_as_gpu::FindBufferMap(GPUVAddr gpu_addr) const {

src/core/hle/service/nvdrv/devices/nvhost_as_gpu.h

@@ -30,9 +30,11 @@ public:
     explicit nvhost_as_gpu(Core::System& system, std::shared_ptr<nvmap> nvmap_dev);
     ~nvhost_as_gpu() override;
 
-    u32 ioctl(Ioctl command, const std::vector<u8>& input, const std::vector<u8>& input2,
-              std::vector<u8>& output, std::vector<u8>& output2, IoctlCtrl& ctrl,
-              IoctlVersion version) override;
+    NvResult Ioctl1(Ioctl command, const std::vector<u8>& input, std::vector<u8>& output) override;
+    NvResult Ioctl2(Ioctl command, const std::vector<u8>& input,
+                    const std::vector<u8>& inline_input, std::vector<u8>& output) override;
+    NvResult Ioctl3(Ioctl command, const std::vector<u8>& input, std::vector<u8>& output,
+                    std::vector<u8>& inline_output) override;
 
 private:
     class BufferMap final {
@@ -74,32 +76,21 @@ private:
         bool is_allocated{};
     };
 
-    enum class IoctlCommand : u32_le {
-        IocInitalizeExCommand = 0x40284109,
-        IocAllocateSpaceCommand = 0xC0184102,
-        IocRemapCommand = 0x00000014,
-        IocMapBufferExCommand = 0xC0284106,
-        IocBindChannelCommand = 0x40044101,
-        IocGetVaRegionsCommand = 0xC0404108,
-        IocUnmapBufferCommand = 0xC0084105,
-        IocFreeSpaceCommand = 0xC0104103,
-    };
-
     struct IoctlInitalizeEx {
-        u32_le big_page_size; // depends on GPU's available_big_page_sizes; 0=default
-        s32_le as_fd;         // ignored; passes 0
-        u32_le flags;         // passes 0
-        u32_le reserved;      // ignored; passes 0
-        u64_le unk0;
-        u64_le unk1;
-        u64_le unk2;
+        u32_le big_page_size{}; // depends on GPU's available_big_page_sizes; 0=default
+        s32_le as_fd{};         // ignored; passes 0
+        u32_le flags{};         // passes 0
+        u32_le reserved{};      // ignored; passes 0
+        u64_le unk0{};
+        u64_le unk1{};
+        u64_le unk2{};
     };
     static_assert(sizeof(IoctlInitalizeEx) == 40, "IoctlInitalizeEx is incorrect size");
 
     struct IoctlAllocSpace {
-        u32_le pages;
-        u32_le page_size;
-        AddressSpaceFlags flags;
+        u32_le pages{};
+        u32_le page_size{};
+        AddressSpaceFlags flags{};
         INSERT_PADDING_WORDS(1);
         union {
             u64_le offset;
@@ -109,70 +100,73 @@ private:
     static_assert(sizeof(IoctlAllocSpace) == 24, "IoctlInitalizeEx is incorrect size");
 
     struct IoctlFreeSpace {
-        u64_le offset;
-        u32_le pages;
-        u32_le page_size;
+        u64_le offset{};
+        u32_le pages{};
+        u32_le page_size{};
     };
     static_assert(sizeof(IoctlFreeSpace) == 16, "IoctlFreeSpace is incorrect size");
 
     struct IoctlRemapEntry {
-        u16_le flags;
-        u16_le kind;
-        u32_le nvmap_handle;
-        u32_le map_offset;
-        u32_le offset;
-        u32_le pages;
+        u16_le flags{};
+        u16_le kind{};
+        u32_le nvmap_handle{};
+        u32_le map_offset{};
+        u32_le offset{};
+        u32_le pages{};
     };
     static_assert(sizeof(IoctlRemapEntry) == 20, "IoctlRemapEntry is incorrect size");
 
     struct IoctlMapBufferEx {
-        AddressSpaceFlags flags; // bit0: fixed_offset, bit2: cacheable
-        u32_le kind;             // -1 is default
-        u32_le nvmap_handle;
-        u32_le page_size; // 0 means don't care
-        s64_le buffer_offset;
-        u64_le mapping_size;
-        s64_le offset;
+        AddressSpaceFlags flags{}; // bit0: fixed_offset, bit2: cacheable
+        u32_le kind{};             // -1 is default
+        u32_le nvmap_handle{};
+        u32_le page_size{}; // 0 means don't care
+        s64_le buffer_offset{};
+        u64_le mapping_size{};
+        s64_le offset{};
     };
     static_assert(sizeof(IoctlMapBufferEx) == 40, "IoctlMapBufferEx is incorrect size");
 
     struct IoctlUnmapBuffer {
-        s64_le offset;
+        s64_le offset{};
     };
     static_assert(sizeof(IoctlUnmapBuffer) == 8, "IoctlUnmapBuffer is incorrect size");
 
     struct IoctlBindChannel {
-        u32_le fd;
+        s32_le fd{};
     };
     static_assert(sizeof(IoctlBindChannel) == 4, "IoctlBindChannel is incorrect size");
 
     struct IoctlVaRegion {
-        u64_le offset;
-        u32_le page_size;
+        u64_le offset{};
+        u32_le page_size{};
         INSERT_PADDING_WORDS(1);
-        u64_le pages;
+        u64_le pages{};
     };
     static_assert(sizeof(IoctlVaRegion) == 24, "IoctlVaRegion is incorrect size");
 
     struct IoctlGetVaRegions {
-        u64_le buf_addr; // (contained output user ptr on linux, ignored)
-        u32_le buf_size; // forced to 2*sizeof(struct va_region)
-        u32_le reserved;
-        IoctlVaRegion regions[2];
+        u64_le buf_addr{}; // (contained output user ptr on linux, ignored)
+        u32_le buf_size{}; // forced to 2*sizeof(struct va_region)
+        u32_le reserved{};
+        IoctlVaRegion regions[2]{};
     };
     static_assert(sizeof(IoctlGetVaRegions) == 16 + sizeof(IoctlVaRegion) * 2,
                   "IoctlGetVaRegions is incorrect size");
 
-    u32 channel{};
+    s32 channel{};
 
-    u32 InitalizeEx(const std::vector<u8>& input, std::vector<u8>& output);
-    u32 AllocateSpace(const std::vector<u8>& input, std::vector<u8>& output);
-    u32 Remap(const std::vector<u8>& input, std::vector<u8>& output);
-    u32 MapBufferEx(const std::vector<u8>& input, std::vector<u8>& output);
-    u32 UnmapBuffer(const std::vector<u8>& input, std::vector<u8>& output);
-    u32 FreeSpace(const std::vector<u8>& input, std::vector<u8>& output);
-    u32 BindChannel(const std::vector<u8>& input, std::vector<u8>& output);
-    u32 GetVARegions(const std::vector<u8>& input, std::vector<u8>& output);
+    NvResult InitalizeEx(const std::vector<u8>& input, std::vector<u8>& output);
+    NvResult AllocateSpace(const std::vector<u8>& input, std::vector<u8>& output);
+    NvResult Remap(const std::vector<u8>& input, std::vector<u8>& output);
+    NvResult MapBufferEx(const std::vector<u8>& input, std::vector<u8>& output);
+    NvResult UnmapBuffer(const std::vector<u8>& input, std::vector<u8>& output);
+    NvResult FreeSpace(const std::vector<u8>& input, std::vector<u8>& output);
+    NvResult BindChannel(const std::vector<u8>& input, std::vector<u8>& output);
+
+    NvResult GetVARegions(const std::vector<u8>& input, std::vector<u8>& output);
+    NvResult GetVARegions(const std::vector<u8>& input, std::vector<u8>& output,
+                          std::vector<u8>& inline_output);
 
     std::optional<BufferMap> FindBufferMap(GPUVAddr gpu_addr) const;
     void AddBufferMap(GPUVAddr gpu_addr, std::size_t size, VAddr cpu_addr, bool is_allocated);

src/core/hle/service/nvdrv/devices/nvhost_ctrl.cpp

@@ -20,41 +20,54 @@ nvhost_ctrl::nvhost_ctrl(Core::System& system, EventInterface& events_interface,
     : nvdevice(system), events_interface{events_interface}, syncpoint_manager{syncpoint_manager} {}
 nvhost_ctrl::~nvhost_ctrl() = default;
 
-u32 nvhost_ctrl::ioctl(Ioctl command, const std::vector<u8>& input, const std::vector<u8>& input2,
-                       std::vector<u8>& output, std::vector<u8>& output2, IoctlCtrl& ctrl,
-                       IoctlVersion version) {
-    LOG_DEBUG(Service_NVDRV, "called, command=0x{:08X}, input_size=0x{:X}, output_size=0x{:X}",
-              command.raw, input.size(), output.size());
-
-    switch (static_cast<IoctlCommand>(command.raw)) {
-    case IoctlCommand::IocGetConfigCommand:
-        return NvOsGetConfigU32(input, output);
-    case IoctlCommand::IocCtrlEventWaitCommand:
-        return IocCtrlEventWait(input, output, false, ctrl);
-    case IoctlCommand::IocCtrlEventWaitAsyncCommand:
-        return IocCtrlEventWait(input, output, true, ctrl);
-    case IoctlCommand::IocCtrlEventRegisterCommand:
-        return IocCtrlEventRegister(input, output);
-    case IoctlCommand::IocCtrlEventUnregisterCommand:
-        return IocCtrlEventUnregister(input, output);
-    case IoctlCommand::IocCtrlClearEventWaitCommand:
-        return IocCtrlClearEventWait(input, output);
+NvResult nvhost_ctrl::Ioctl1(Ioctl command, const std::vector<u8>& input, std::vector<u8>& output) {
+    switch (command.group) {
+    case 0x0:
+        switch (command.cmd) {
+        case 0x1b:
+            return NvOsGetConfigU32(input, output);
+        case 0x1c:
+            return IocCtrlClearEventWait(input, output);
+        case 0x1d:
+            return IocCtrlEventWait(input, output, false);
+        case 0x1e:
+            return IocCtrlEventWait(input, output, true);
+        case 0x1f:
+            return IocCtrlEventRegister(input, output);
+        case 0x20:
+            return IocCtrlEventUnregister(input, output);
+        }
+        break;
     default:
-        UNIMPLEMENTED_MSG("Unimplemented ioctl");
-        return 0;
+        break;
     }
+
+    UNIMPLEMENTED_MSG("Unimplemented ioctl={:08X}", command.raw);
+    return NvResult::NotImplemented;
 }
 
-u32 nvhost_ctrl::NvOsGetConfigU32(const std::vector<u8>& input, std::vector<u8>& output) {
+NvResult nvhost_ctrl::Ioctl2(Ioctl command, const std::vector<u8>& input,
+                             const std::vector<u8>& inline_input, std::vector<u8>& output) {
+    UNIMPLEMENTED_MSG("Unimplemented ioctl={:08X}", command.raw);
+    return NvResult::NotImplemented;
+}
+
+NvResult nvhost_ctrl::Ioctl3(Ioctl command, const std::vector<u8>& input, std::vector<u8>& output,
+                             std::vector<u8>& inline_output) {
+    UNIMPLEMENTED_MSG("Unimplemented ioctl={:08X}", command.raw);
+    return NvResult::NotImplemented;
+}
+
+NvResult nvhost_ctrl::NvOsGetConfigU32(const std::vector<u8>& input, std::vector<u8>& output) {
     IocGetConfigParams params{};
     std::memcpy(&params, input.data(), sizeof(params));
     LOG_TRACE(Service_NVDRV, "called, setting={}!{}", params.domain_str.data(),
               params.param_str.data());
-    return 0x30006; // Returns error on production mode
+    return NvResult::ConfigVarNotFound; // Returns error on production mode
 }
 
-u32 nvhost_ctrl::IocCtrlEventWait(const std::vector<u8>& input, std::vector<u8>& output,
-                                  bool is_async, IoctlCtrl& ctrl) {
+NvResult nvhost_ctrl::IocCtrlEventWait(const std::vector<u8>& input, std::vector<u8>& output,
+                                       bool is_async) {
     IocCtrlEventWaitParams params{};
     std::memcpy(&params, input.data(), sizeof(params));
     LOG_DEBUG(Service_NVDRV, "syncpt_id={}, threshold={}, timeout={}, is_async={}",
@@ -126,10 +139,7 @@ u32 nvhost_ctrl::IocCtrlEventWait(const std::vector<u8>& input, std::vector<u8>&
         params.value |= event_id;
         event.event.writable->Clear();
         gpu.RegisterSyncptInterrupt(params.syncpt_id, target_value);
-        if (!is_async && ctrl.fresh_call) {
-            ctrl.must_delay = true;
-            ctrl.timeout = params.timeout;
-            ctrl.event_id = event_id;
+        if (!is_async) {
             return NvResult::Timeout;
         }
         std::memcpy(output.data(), &params, sizeof(params));
@@ -139,7 +149,7 @@ u32 nvhost_ctrl::IocCtrlEventWait(const std::vector<u8>& input, std::vector<u8>&
     return NvResult::BadParameter;
 }
 
-u32 nvhost_ctrl::IocCtrlEventRegister(const std::vector<u8>& input, std::vector<u8>& output) {
+NvResult nvhost_ctrl::IocCtrlEventRegister(const std::vector<u8>& input, std::vector<u8>& output) {
     IocCtrlEventRegisterParams params{};
     std::memcpy(&params, input.data(), sizeof(params));
     const u32 event_id = params.user_event_id & 0x00FF;
@@ -154,7 +164,8 @@ u32 nvhost_ctrl::IocCtrlEventRegister(const std::vector<u8>& input, std::vector<
     return NvResult::Success;
 }
 
-u32 nvhost_ctrl::IocCtrlEventUnregister(const std::vector<u8>& input, std::vector<u8>& output) {
+NvResult nvhost_ctrl::IocCtrlEventUnregister(const std::vector<u8>& input,
+                                             std::vector<u8>& output) {
     IocCtrlEventUnregisterParams params{};
     std::memcpy(&params, input.data(), sizeof(params));
     const u32 event_id = params.user_event_id & 0x00FF;
@@ -169,7 +180,7 @@ u32 nvhost_ctrl::IocCtrlEventUnregister(const std::vector<u8>& input, std::vecto
     return NvResult::Success;
 }
 
-u32 nvhost_ctrl::IocCtrlClearEventWait(const std::vector<u8>& input, std::vector<u8>& output) {
+NvResult nvhost_ctrl::IocCtrlClearEventWait(const std::vector<u8>& input, std::vector<u8>& output) {
     IocCtrlEventSignalParams params{};
     std::memcpy(&params, input.data(), sizeof(params));
 

src/core/hle/service/nvdrv/devices/nvhost_ctrl.h

@@ -18,132 +18,113 @@ public:
                          SyncpointManager& syncpoint_manager);
     ~nvhost_ctrl() override;
 
-    u32 ioctl(Ioctl command, const std::vector<u8>& input, const std::vector<u8>& input2,
-              std::vector<u8>& output, std::vector<u8>& output2, IoctlCtrl& ctrl,
-              IoctlVersion version) override;
+    NvResult Ioctl1(Ioctl command, const std::vector<u8>& input, std::vector<u8>& output) override;
+    NvResult Ioctl2(Ioctl command, const std::vector<u8>& input,
+                    const std::vector<u8>& inline_input, std::vector<u8>& output) override;
+    NvResult Ioctl3(Ioctl command, const std::vector<u8>& input, std::vector<u8>& output,
+                    std::vector<u8>& inline_output) override;
 
 private:
-    enum class IoctlCommand : u32_le {
-        IocSyncptReadCommand = 0xC0080014,
-        IocSyncptIncrCommand = 0x40040015,
-        IocSyncptWaitCommand = 0xC00C0016,
-        IocModuleMutexCommand = 0x40080017,
-        IocModuleRegRDWRCommand = 0xC0180018,
-        IocSyncptWaitexCommand = 0xC0100019,
-        IocSyncptReadMaxCommand = 0xC008001A,
-        IocGetConfigCommand = 0xC183001B,
-        IocCtrlClearEventWaitCommand = 0xC004001C,
-        IocCtrlEventWaitCommand = 0xC010001D,
-        IocCtrlEventWaitAsyncCommand = 0xC010001E,
-        IocCtrlEventRegisterCommand = 0xC004001F,
-        IocCtrlEventUnregisterCommand = 0xC0040020,
-        IocCtrlEventKillCommand = 0x40080021,
-    };
     struct IocSyncptReadParams {
-        u32_le id;
-        u32_le value;
+        u32_le id{};
+        u32_le value{};
     };
     static_assert(sizeof(IocSyncptReadParams) == 8, "IocSyncptReadParams is incorrect size");
 
     struct IocSyncptIncrParams {
-        u32_le id;
+        u32_le id{};
     };
     static_assert(sizeof(IocSyncptIncrParams) == 4, "IocSyncptIncrParams is incorrect size");
 
     struct IocSyncptWaitParams {
-        u32_le id;
-        u32_le thresh;
-        s32_le timeout;
+        u32_le id{};
+        u32_le thresh{};
+        s32_le timeout{};
     };
     static_assert(sizeof(IocSyncptWaitParams) == 12, "IocSyncptWaitParams is incorrect size");
 
     struct IocModuleMutexParams {
-        u32_le id;
-        u32_le lock; // (0 = unlock and 1 = lock)
+        u32_le id{};
+        u32_le lock{}; // (0 = unlock and 1 = lock)
     };
     static_assert(sizeof(IocModuleMutexParams) == 8, "IocModuleMutexParams is incorrect size");
 
     struct IocModuleRegRDWRParams {
-        u32_le id;
-        u32_le num_offsets;
-        u32_le block_size;
-        u32_le offsets;
-        u32_le values;
-        u32_le write;
+        u32_le id{};
+        u32_le num_offsets{};
+        u32_le block_size{};
+        u32_le offsets{};
+        u32_le values{};
+        u32_le write{};
     };
     static_assert(sizeof(IocModuleRegRDWRParams) == 24, "IocModuleRegRDWRParams is incorrect size");
 
     struct IocSyncptWaitexParams {
-        u32_le id;
-        u32_le thresh;
-        s32_le timeout;
-        u32_le value;
+        u32_le id{};
+        u32_le thresh{};
+        s32_le timeout{};
+        u32_le value{};
     };
     static_assert(sizeof(IocSyncptWaitexParams) == 16, "IocSyncptWaitexParams is incorrect size");
 
     struct IocSyncptReadMaxParams {
-        u32_le id;
-        u32_le value;
+        u32_le id{};
+        u32_le value{};
     };
     static_assert(sizeof(IocSyncptReadMaxParams) == 8, "IocSyncptReadMaxParams is incorrect size");
 
     struct IocGetConfigParams {
-        std::array<char, 0x41> domain_str;
-        std::array<char, 0x41> param_str;
-        std::array<char, 0x101> config_str;
+        std::array<char, 0x41> domain_str{};
+        std::array<char, 0x41> param_str{};
+        std::array<char, 0x101> config_str{};
     };
     static_assert(sizeof(IocGetConfigParams) == 387, "IocGetConfigParams is incorrect size");
 
     struct IocCtrlEventSignalParams {
-        u32_le event_id;
+        u32_le event_id{};
     };
     static_assert(sizeof(IocCtrlEventSignalParams) == 4,
                   "IocCtrlEventSignalParams is incorrect size");
 
     struct IocCtrlEventWaitParams {
-        u32_le syncpt_id;
-        u32_le threshold;
-        s32_le timeout;
-        u32_le value;
+        u32_le syncpt_id{};
+        u32_le threshold{};
+        s32_le timeout{};
+        u32_le value{};
     };
     static_assert(sizeof(IocCtrlEventWaitParams) == 16, "IocCtrlEventWaitParams is incorrect size");
 
     struct IocCtrlEventWaitAsyncParams {
-        u32_le syncpt_id;
-        u32_le threshold;
-        u32_le timeout;
-        u32_le value;
+        u32_le syncpt_id{};
+        u32_le threshold{};
+        u32_le timeout{};
+        u32_le value{};
     };
     static_assert(sizeof(IocCtrlEventWaitAsyncParams) == 16,
                   "IocCtrlEventWaitAsyncParams is incorrect size");
 
     struct IocCtrlEventRegisterParams {
-        u32_le user_event_id;
+        u32_le user_event_id{};
     };
     static_assert(sizeof(IocCtrlEventRegisterParams) == 4,
                   "IocCtrlEventRegisterParams is incorrect size");
 
     struct IocCtrlEventUnregisterParams {
-        u32_le user_event_id;
+        u32_le user_event_id{};
     };
     static_assert(sizeof(IocCtrlEventUnregisterParams) == 4,
                   "IocCtrlEventUnregisterParams is incorrect size");
 
     struct IocCtrlEventKill {
-        u64_le user_events;
+        u64_le user_events{};
     };
     static_assert(sizeof(IocCtrlEventKill) == 8, "IocCtrlEventKill is incorrect size");
 
-    u32 NvOsGetConfigU32(const std::vector<u8>& input, std::vector<u8>& output);
-
-    u32 IocCtrlEventWait(const std::vector<u8>& input, std::vector<u8>& output, bool is_async,
-                         IoctlCtrl& ctrl);
-
-    u32 IocCtrlEventRegister(const std::vector<u8>& input, std::vector<u8>& output);
-
-    u32 IocCtrlEventUnregister(const std::vector<u8>& input, std::vector<u8>& output);
-
-    u32 IocCtrlClearEventWait(const std::vector<u8>& input, std::vector<u8>& output);
+    NvResult NvOsGetConfigU32(const std::vector<u8>& input, std::vector<u8>& output);
+    NvResult IocCtrlEventWait(const std::vector<u8>& input, std::vector<u8>& output, bool is_async);
+    NvResult IocCtrlEventRegister(const std::vector<u8>& input, std::vector<u8>& output);
+    NvResult IocCtrlEventUnregister(const std::vector<u8>& input, std::vector<u8>& output);
+    NvResult IocCtrlClearEventWait(const std::vector<u8>& input, std::vector<u8>& output);
 
     EventInterface& events_interface;
     SyncpointManager& syncpoint_manager;

src/core/hle/service/nvdrv/devices/nvhost_ctrl_gpu.cpp

@@ -15,39 +15,112 @@ namespace Service::Nvidia::Devices {
 nvhost_ctrl_gpu::nvhost_ctrl_gpu(Core::System& system) : nvdevice(system) {}
 nvhost_ctrl_gpu::~nvhost_ctrl_gpu() = default;
 
-u32 nvhost_ctrl_gpu::ioctl(Ioctl command, const std::vector<u8>& input,
-                           const std::vector<u8>& input2, std::vector<u8>& output,
-                           std::vector<u8>& output2, IoctlCtrl& ctrl, IoctlVersion version) {
-    LOG_DEBUG(Service_NVDRV, "called, command=0x{:08X}, input_size=0x{:X}, output_size=0x{:X}",
-              command.raw, input.size(), output.size());
-
-    switch (static_cast<IoctlCommand>(command.raw)) {
-    case IoctlCommand::IocGetCharacteristicsCommand:
-        return GetCharacteristics(input, output, output2, version);
-    case IoctlCommand::IocGetTPCMasksCommand:
-        return GetTPCMasks(input, output, output2, version);
-    case IoctlCommand::IocGetActiveSlotMaskCommand:
-        return GetActiveSlotMask(input, output);
-    case IoctlCommand::IocZcullGetCtxSizeCommand:
-        return ZCullGetCtxSize(input, output);
-    case IoctlCommand::IocZcullGetInfo:
-        return ZCullGetInfo(input, output);
-    case IoctlCommand::IocZbcSetTable:
-        return ZBCSetTable(input, output);
-    case IoctlCommand::IocZbcQueryTable:
-        return ZBCQueryTable(input, output);
-    case IoctlCommand::IocFlushL2:
-        return FlushL2(input, output);
-    case IoctlCommand::IocGetGpuTime:
-        return GetGpuTime(input, output);
-    default:
-        UNIMPLEMENTED_MSG("Unimplemented ioctl");
-        return 0;
+NvResult nvhost_ctrl_gpu::Ioctl1(Ioctl command, const std::vector<u8>& input,
+                                 std::vector<u8>& output) {
+    switch (command.group) {
+    case 'G':
+        switch (command.cmd) {
+        case 0x1:
+            return ZCullGetCtxSize(input, output);
+        case 0x2:
+            return ZCullGetInfo(input, output);
+        case 0x3:
+            return ZBCSetTable(input, output);
+        case 0x4:
+            return ZBCQueryTable(input, output);
+        case 0x5:
+            return GetCharacteristics(input, output);
+        case 0x6:
+            return GetTPCMasks(input, output);
+        case 0x7:
+            return FlushL2(input, output);
+        case 0x14:
+            return GetActiveSlotMask(input, output);
+        case 0x1c:
+            return GetGpuTime(input, output);
+        default:
+            break;
+        }
+        break;
     }
+    UNIMPLEMENTED_MSG("Unimplemented ioctl={:08X}", command.raw);
+    return NvResult::NotImplemented;
 }
 
-u32 nvhost_ctrl_gpu::GetCharacteristics(const std::vector<u8>& input, std::vector<u8>& output,
-                                        std::vector<u8>& output2, IoctlVersion version) {
+NvResult nvhost_ctrl_gpu::Ioctl2(Ioctl command, const std::vector<u8>& input,
+                                 const std::vector<u8>& inline_input, std::vector<u8>& output) {
+    UNIMPLEMENTED_MSG("Unimplemented ioctl={:08X}", command.raw);
+    return NvResult::NotImplemented;
+}
+
+NvResult nvhost_ctrl_gpu::Ioctl3(Ioctl command, const std::vector<u8>& input,
+                                 std::vector<u8>& output, std::vector<u8>& inline_output) {
+    switch (command.group) {
+    case 'G':
+        switch (command.cmd) {
+        case 0x5:
+            return GetCharacteristics(input, output, inline_output);
+        case 0x6:
+            return GetTPCMasks(input, output, inline_output);
+        default:
+            break;
+        }
+        break;
+    default:
+        break;
+    }
+    UNIMPLEMENTED_MSG("Unimplemented ioctl={:08X}", command.raw);
+    return NvResult::NotImplemented;
+}
+
+NvResult nvhost_ctrl_gpu::GetCharacteristics(const std::vector<u8>& input,
+                                             std::vector<u8>& output) {
+    LOG_DEBUG(Service_NVDRV, "called");
+    IoctlCharacteristics params{};
+    std::memcpy(&params, input.data(), input.size());
+    params.gc.arch = 0x120;
+    params.gc.impl = 0xb;
+    params.gc.rev = 0xa1;
+    params.gc.num_gpc = 0x1;
+    params.gc.l2_cache_size = 0x40000;
+    params.gc.on_board_video_memory_size = 0x0;
+    params.gc.num_tpc_per_gpc = 0x2;
+    params.gc.bus_type = 0x20;
+    params.gc.big_page_size = 0x20000;
+    params.gc.compression_page_size = 0x20000;
+    params.gc.pde_coverage_bit_count = 0x1B;
+    params.gc.available_big_page_sizes = 0x30000;
+    params.gc.gpc_mask = 0x1;
+    params.gc.sm_arch_sm_version = 0x503;
+    params.gc.sm_arch_spa_version = 0x503;
+    params.gc.sm_arch_warp_count = 0x80;
+    params.gc.gpu_va_bit_count = 0x28;
+    params.gc.reserved = 0x0;
+    params.gc.flags = 0x55;
+    params.gc.twod_class = 0x902D;
+    params.gc.threed_class = 0xB197;
+    params.gc.compute_class = 0xB1C0;
+    params.gc.gpfifo_class = 0xB06F;
+    params.gc.inline_to_memory_class = 0xA140;
+    params.gc.dma_copy_class = 0xB0B5;
+    params.gc.max_fbps_count = 0x1;
+    params.gc.fbp_en_mask = 0x0;
+    params.gc.max_ltc_per_fbp = 0x2;
+    params.gc.max_lts_per_ltc = 0x1;
+    params.gc.max_tex_per_tpc = 0x0;
+    params.gc.max_gpc_count = 0x1;
+    params.gc.rop_l2_en_mask_0 = 0x21D70;
+    params.gc.rop_l2_en_mask_1 = 0x0;
+    params.gc.chipname = 0x6230326D67;
+    params.gc.gr_compbit_store_base_hw = 0x0;
+    params.gpu_characteristics_buf_size = 0xA0;
+    params.gpu_characteristics_buf_addr = 0xdeadbeef; // Cannot be 0 (UNUSED)
+    std::memcpy(output.data(), &params, output.size());
+    return NvResult::Success;
+}
+
+NvResult nvhost_ctrl_gpu::GetCharacteristics(const std::vector<u8>& input, std::vector<u8>& output,
+                                             std::vector<u8>& inline_output) {
     LOG_DEBUG(Service_NVDRV, "called");
     IoctlCharacteristics params{};
     std::memcpy(&params, input.data(), input.size());
@@ -89,35 +162,36 @@ u32 nvhost_ctrl_gpu::GetCharacteristics(const std::vector<u8>& input, std::vecto
     params.gpu_characteristics_buf_size = 0xA0;
     params.gpu_characteristics_buf_addr = 0xdeadbeef; // Cannot be 0 (UNUSED)
 
-    if (version == IoctlVersion::Version3) {
-        std::memcpy(output.data(), input.data(), output.size());
-        std::memcpy(output2.data(), &params.gc, output2.size());
-    } else {
-        std::memcpy(output.data(), &params, output.size());
-    }
-    return 0;
+    std::memcpy(output.data(), input.data(), output.size());
+    std::memcpy(inline_output.data(), &params.gc, inline_output.size());
+    return NvResult::Success;
 }
 
-u32 nvhost_ctrl_gpu::GetTPCMasks(const std::vector<u8>& input, std::vector<u8>& output,
-                                 std::vector<u8>& output2, IoctlVersion version) {
+NvResult nvhost_ctrl_gpu::GetTPCMasks(const std::vector<u8>& input, std::vector<u8>& output) {
     IoctlGpuGetTpcMasksArgs params{};
     std::memcpy(&params, input.data(), input.size());
     LOG_DEBUG(Service_NVDRV, "called, mask_buffer_size=0x{:X}", params.mask_buffer_size);
     if (params.mask_buffer_size != 0) {
         params.tcp_mask = 3;
     }
-
-    if (version == IoctlVersion::Version3) {
-        std::memcpy(output.data(), input.data(), output.size());
-        std::memcpy(output2.data(), &params.tcp_mask, output2.size());
-    } else {
-        std::memcpy(output.data(), &params, output.size());
-    }
-
-    return 0;
+    std::memcpy(output.data(), &params, output.size());
+    return NvResult::Success;
 }
 
-u32 nvhost_ctrl_gpu::GetActiveSlotMask(const std::vector<u8>& input, std::vector<u8>& output) {
+NvResult nvhost_ctrl_gpu::GetTPCMasks(const std::vector<u8>& input, std::vector<u8>& output,
+                                      std::vector<u8>& inline_output) {
+    IoctlGpuGetTpcMasksArgs params{};
+    std::memcpy(&params, input.data(), input.size());
+    LOG_DEBUG(Service_NVDRV, "called, mask_buffer_size=0x{:X}", params.mask_buffer_size);
+    if (params.mask_buffer_size != 0) {
+        params.tcp_mask = 3;
+    }
+    std::memcpy(output.data(), &params, output.size());
+    std::memcpy(inline_output.data(), &params.tcp_mask, inline_output.size());
+    return NvResult::Success;
+}
+
+NvResult nvhost_ctrl_gpu::GetActiveSlotMask(const std::vector<u8>& input, std::vector<u8>& output) {
     LOG_DEBUG(Service_NVDRV, "called");
 
     IoctlActiveSlotMask params{};
@@ -127,10 +201,10 @@ u32 nvhost_ctrl_gpu::GetActiveSlotMask(const std::vector<u8>& input, std::vector
     params.slot = 0x07;
     params.mask = 0x01;
     std::memcpy(output.data(), &params, output.size());
-    return 0;
+    return NvResult::Success;
 }
 
-u32 nvhost_ctrl_gpu::ZCullGetCtxSize(const std::vector<u8>& input, std::vector<u8>& output) {
+NvResult nvhost_ctrl_gpu::ZCullGetCtxSize(const std::vector<u8>& input, std::vector<u8>& output) {
     LOG_DEBUG(Service_NVDRV, "called");
 
     IoctlZcullGetCtxSize params{};
@@ -139,10 +213,10 @@ u32 nvhost_ctrl_gpu::ZCullGetCtxSize(const std::vector<u8>& input, std::vector<u
     }
     params.size = 0x1;
     std::memcpy(output.data(), &params, output.size());
-    return 0;
+    return NvResult::Success;
 }
 
-u32 nvhost_ctrl_gpu::ZCullGetInfo(const std::vector<u8>& input, std::vector<u8>& output) {
+NvResult nvhost_ctrl_gpu::ZCullGetInfo(const std::vector<u8>& input, std::vector<u8>& output) {
     LOG_DEBUG(Service_NVDRV, "called");
 
     IoctlNvgpuGpuZcullGetInfoArgs params{};
@@ -162,47 +236,47 @@ u32 nvhost_ctrl_gpu::ZCullGetInfo(const std::vector<u8>& input, std::vector<u8>&
     params.subregion_height_align_pixels = 0x40;
     params.subregion_count = 0x10;
     std::memcpy(output.data(), &params, output.size());
-    return 0;
+    return NvResult::Success;
 }
 
-u32 nvhost_ctrl_gpu::ZBCSetTable(const std::vector<u8>& input, std::vector<u8>& output) {
+NvResult nvhost_ctrl_gpu::ZBCSetTable(const std::vector<u8>& input, std::vector<u8>& output) {
     LOG_WARNING(Service_NVDRV, "(STUBBED) called");
 
     IoctlZbcSetTable params{};
     std::memcpy(&params, input.data(), input.size());
     // TODO(ogniK): What does this even actually do?
     std::memcpy(output.data(), &params, output.size());
-    return 0;
+    return NvResult::Success;
 }
 
-u32 nvhost_ctrl_gpu::ZBCQueryTable(const std::vector<u8>& input, std::vector<u8>& output) {
+NvResult nvhost_ctrl_gpu::ZBCQueryTable(const std::vector<u8>& input, std::vector<u8>& output) {
     LOG_WARNING(Service_NVDRV, "(STUBBED) called");
 
     IoctlZbcQueryTable params{};
     std::memcpy(&params, input.data(), input.size());
     // TODO : To implement properly
     std::memcpy(output.data(), &params, output.size());
-    return 0;
+    return NvResult::Success;
 }
 
-u32 nvhost_ctrl_gpu::FlushL2(const std::vector<u8>& input, std::vector<u8>& output) {
+NvResult nvhost_ctrl_gpu::FlushL2(const std::vector<u8>& input, std::vector<u8>& output) {
     LOG_WARNING(Service_NVDRV, "(STUBBED) called");
 
     IoctlFlushL2 params{};
     std::memcpy(&params, input.data(), input.size());
     // TODO : To implement properly
     std::memcpy(output.data(), &params, output.size());
-    return 0;
+    return NvResult::Success;
 }
 
-u32 nvhost_ctrl_gpu::GetGpuTime(const std::vector<u8>& input, std::vector<u8>& output) {
+NvResult nvhost_ctrl_gpu::GetGpuTime(const std::vector<u8>& input, std::vector<u8>& output) {
     LOG_DEBUG(Service_NVDRV, "called");
 
     IoctlGetGpuTime params{};
     std::memcpy(&params, input.data(), input.size());
     params.gpu_time = static_cast<u64_le>(system.CoreTiming().GetGlobalTimeNs().count());
     std::memcpy(output.data(), &params, output.size());
-    return 0;
+    return NvResult::Success;
 }
 
 } // namespace Service::Nvidia::Devices

src/core/hle/service/nvdrv/devices/nvhost_ctrl_gpu.h

@@ -16,32 +16,13 @@ public:
     explicit nvhost_ctrl_gpu(Core::System& system);
     ~nvhost_ctrl_gpu() override;
 
-    u32 ioctl(Ioctl command, const std::vector<u8>& input, const std::vector<u8>& input2,
-              std::vector<u8>& output, std::vector<u8>& output2, IoctlCtrl& ctrl,
-              IoctlVersion version) override;
+    NvResult Ioctl1(Ioctl command, const std::vector<u8>& input, std::vector<u8>& output) override;
+    NvResult Ioctl2(Ioctl command, const std::vector<u8>& input,
+                    const std::vector<u8>& inline_input, std::vector<u8>& output) override;
+    NvResult Ioctl3(Ioctl command, const std::vector<u8>& input, std::vector<u8>& output,
+                    std::vector<u8>& inline_output) override;
 
 private:
-    enum class IoctlCommand : u32_le {
-        IocGetCharacteristicsCommand = 0xC0B04705,
-        IocGetTPCMasksCommand = 0xC0184706,
-        IocGetActiveSlotMaskCommand = 0x80084714,
-        IocZcullGetCtxSizeCommand = 0x80044701,
-        IocZcullGetInfo = 0x80284702,
-        IocZbcSetTable = 0x402C4703,
-        IocZbcQueryTable = 0xC0344704,
-        IocFlushL2 = 0x40084707,
-        IocInvalICache = 0x4008470D,
-        IocSetMmudebugMode = 0x4008470E,
-        IocSetSmDebugMode = 0x4010470F,
-        IocWaitForPause = 0xC0084710,
-        IocGetTcpExceptionEnStatus = 0x80084711,
-        IocNumVsms = 0x80084712,
-        IocVsmsMapping = 0xC0044713,
-        IocGetErrorChannelUserData = 0xC008471B,
-        IocGetGpuTime = 0xC010471C,
-        IocGetCpuTimeCorrelationInfo = 0xC108471D,
-    };
-
     struct IoctlGpuCharacteristics {
         u32_le arch;                       // 0x120 (NVGPU_GPU_ARCH_GM200)
         u32_le impl;                       // 0xB (NVGPU_GPU_IMPL_GM20B)
@@ -159,17 +140,21 @@ private:
     };
     static_assert(sizeof(IoctlGetGpuTime) == 0x10, "IoctlGetGpuTime is incorrect size");
 
-    u32 GetCharacteristics(const std::vector<u8>& input, std::vector<u8>& output,
-                           std::vector<u8>& output2, IoctlVersion version);
-    u32 GetTPCMasks(const std::vector<u8>& input, std::vector<u8>& output, std::vector<u8>& output2,
-                    IoctlVersion version);
-    u32 GetActiveSlotMask(const std::vector<u8>& input, std::vector<u8>& output);
-    u32 ZCullGetCtxSize(const std::vector<u8>& input, std::vector<u8>& output);
-    u32 ZCullGetInfo(const std::vector<u8>& input, std::vector<u8>& output);
-    u32 ZBCSetTable(const std::vector<u8>& input, std::vector<u8>& output);
-    u32 ZBCQueryTable(const std::vector<u8>& input, std::vector<u8>& output);
-    u32 FlushL2(const std::vector<u8>& input, std::vector<u8>& output);
-    u32 GetGpuTime(const std::vector<u8>& input, std::vector<u8>& output);
+    NvResult GetCharacteristics(const std::vector<u8>& input, std::vector<u8>& output);
+    NvResult GetCharacteristics(const std::vector<u8>& input, std::vector<u8>& output,
+                                std::vector<u8>& inline_output);
+
+    NvResult GetTPCMasks(const std::vector<u8>& input, std::vector<u8>& output);
+    NvResult GetTPCMasks(const std::vector<u8>& input, std::vector<u8>& output,
+                         std::vector<u8>& inline_output);
+
+    NvResult GetActiveSlotMask(const std::vector<u8>& input, std::vector<u8>& output);
+    NvResult ZCullGetCtxSize(const std::vector<u8>& input, std::vector<u8>& output);
+    NvResult ZCullGetInfo(const std::vector<u8>& input, std::vector<u8>& output);
+    NvResult ZBCSetTable(const std::vector<u8>& input, std::vector<u8>& output);
+    NvResult ZBCQueryTable(const std::vector<u8>& input, std::vector<u8>& output);
+    NvResult FlushL2(const std::vector<u8>& input, std::vector<u8>& output);
+    NvResult GetGpuTime(const std::vector<u8>& input, std::vector<u8>& output);
 };
 
 } // namespace Service::Nvidia::Devices

src/core/hle/service/nvdrv/devices/nvhost_gpu.cpp

@@ -23,107 +23,132 @@ nvhost_gpu::nvhost_gpu(Core::System& system, std::shared_ptr<nvmap> nvmap_dev,
 
 nvhost_gpu::~nvhost_gpu() = default;
 
-u32 nvhost_gpu::ioctl(Ioctl command, const std::vector<u8>& input, const std::vector<u8>& input2,
-                      std::vector<u8>& output, std::vector<u8>& output2, IoctlCtrl& ctrl,
-                      IoctlVersion version) {
-    LOG_DEBUG(Service_NVDRV, "called, command=0x{:08X}, input_size=0x{:X}, output_size=0x{:X}",
-              command.raw, input.size(), output.size());
-
-    switch (static_cast<IoctlCommand>(command.raw)) {
-    case IoctlCommand::IocSetNVMAPfdCommand:
-        return SetNVMAPfd(input, output);
-    case IoctlCommand::IocSetClientDataCommand:
-        return SetClientData(input, output);
-    case IoctlCommand::IocGetClientDataCommand:
-        return GetClientData(input, output);
-    case IoctlCommand::IocZCullBind:
-        return ZCullBind(input, output);
-    case IoctlCommand::IocSetErrorNotifierCommand:
-        return SetErrorNotifier(input, output);
-    case IoctlCommand::IocChannelSetPriorityCommand:
-        return SetChannelPriority(input, output);
-    case IoctlCommand::IocAllocGPFIFOEx2Command:
-        return AllocGPFIFOEx2(input, output);
-    case IoctlCommand::IocAllocObjCtxCommand:
-        return AllocateObjectContext(input, output);
-    case IoctlCommand::IocChannelGetWaitbaseCommand:
-        return GetWaitbase(input, output);
-    case IoctlCommand::IocChannelSetTimeoutCommand:
-        return ChannelSetTimeout(input, output);
-    case IoctlCommand::IocChannelSetTimeslice:
-        return ChannelSetTimeslice(input, output);
-    default:
+NvResult nvhost_gpu::Ioctl1(Ioctl command, const std::vector<u8>& input, std::vector<u8>& output) {
+    switch (command.group) {
+    case 0x0:
+        switch (command.cmd) {
+        case 0x3:
+            return GetWaitbase(input, output);
+        default:
+            break;
+        }
+        break;
+    case 'H':
+        switch (command.cmd) {
+        case 0x1:
+            return SetNVMAPfd(input, output);
+        case 0x3:
+            return ChannelSetTimeout(input, output);
+        case 0x8:
+            return SubmitGPFIFOBase(input, output, false);
+        case 0x9:
+            return AllocateObjectContext(input, output);
+        case 0xb:
+            return ZCullBind(input, output);
+        case 0xc:
+            return SetErrorNotifier(input, output);
+        case 0xd:
+            return SetChannelPriority(input, output);
+        case 0x1a:
+            return AllocGPFIFOEx2(input, output);
+        case 0x1b:
+            return SubmitGPFIFOBase(input, output, true);
+        case 0x1d:
+            return ChannelSetTimeslice(input, output);
+        default:
+            break;
+        }
+        break;
+    case 'G':
+        switch (command.cmd) {
+        case 0x14:
+            return SetClientData(input, output);
+        case 0x15:
+            return GetClientData(input, output);
+        default:
+            break;
+        }
         break;
     }
-
-    if (command.group == NVGPU_IOCTL_MAGIC) {
-        if (command.cmd == NVGPU_IOCTL_CHANNEL_SUBMIT_GPFIFO) {
-            return SubmitGPFIFO(input, output);
-        }
-        if (command.cmd == NVGPU_IOCTL_CHANNEL_KICKOFF_PB) {
-            return KickoffPB(input, output, input2, version);
-        }
-    }
-
-    UNIMPLEMENTED_MSG("Unimplemented ioctl");
-    return 0;
+    UNIMPLEMENTED_MSG("Unimplemented ioctl={:08X}", command.raw);
+    return NvResult::NotImplemented;
 };
 
-u32 nvhost_gpu::SetNVMAPfd(const std::vector<u8>& input, std::vector<u8>& output) {
+NvResult nvhost_gpu::Ioctl2(Ioctl command, const std::vector<u8>& input,
+                            const std::vector<u8>& inline_input, std::vector<u8>& output) {
+    switch (command.group) {
+    case 'H':
+        switch (command.cmd) {
+        case 0x1b:
+            return SubmitGPFIFOBase(input, inline_input, output);
+        }
+        break;
+    }
+    UNIMPLEMENTED_MSG("Unimplemented ioctl={:08X}", command.raw);
+    return NvResult::NotImplemented;
+}
+
+NvResult nvhost_gpu::Ioctl3(Ioctl command, const std::vector<u8>& input, std::vector<u8>& output,
+                            std::vector<u8>& inline_output) {
+    UNIMPLEMENTED_MSG("Unimplemented ioctl={:08X}", command.raw);
+    return NvResult::NotImplemented;
+}
+
+NvResult nvhost_gpu::SetNVMAPfd(const std::vector<u8>& input, std::vector<u8>& output) {
     IoctlSetNvmapFD params{};
     std::memcpy(&params, input.data(), input.size());
     LOG_DEBUG(Service_NVDRV, "called, fd={}", params.nvmap_fd);
 
     nvmap_fd = params.nvmap_fd;
-    return 0;
+    return NvResult::Success;
 }
 
-u32 nvhost_gpu::SetClientData(const std::vector<u8>& input, std::vector<u8>& output) {
+NvResult nvhost_gpu::SetClientData(const std::vector<u8>& input, std::vector<u8>& output) {
     LOG_DEBUG(Service_NVDRV, "called");
 
     IoctlClientData params{};
     std::memcpy(&params, input.data(), input.size());
     user_data = params.data;
-    return 0;
+    return NvResult::Success;
 }
 
-u32 nvhost_gpu::GetClientData(const std::vector<u8>& input, std::vector<u8>& output) {
+NvResult nvhost_gpu::GetClientData(const std::vector<u8>& input, std::vector<u8>& output) {
     LOG_DEBUG(Service_NVDRV, "called");
 
     IoctlClientData params{};
     std::memcpy(&params, input.data(), input.size());
     params.data = user_data;
     std::memcpy(output.data(), &params, output.size());
-    return 0;
+    return NvResult::Success;
 }
 
-u32 nvhost_gpu::ZCullBind(const std::vector<u8>& input, std::vector<u8>& output) {
+NvResult nvhost_gpu::ZCullBind(const std::vector<u8>& input, std::vector<u8>& output) {
     std::memcpy(&zcull_params, input.data(), input.size());
     LOG_DEBUG(Service_NVDRV, "called, gpu_va={:X}, mode={:X}", zcull_params.gpu_va,
               zcull_params.mode);
 
     std::memcpy(output.data(), &zcull_params, output.size());
-    return 0;
+    return NvResult::Success;
 }
 
-u32 nvhost_gpu::SetErrorNotifier(const std::vector<u8>& input, std::vector<u8>& output) {
+NvResult nvhost_gpu::SetErrorNotifier(const std::vector<u8>& input, std::vector<u8>& output) {
     IoctlSetErrorNotifier params{};
     std::memcpy(&params, input.data(), input.size());
     LOG_WARNING(Service_NVDRV, "(STUBBED) called, offset={:X}, size={:X}, mem={:X}", params.offset,
                 params.size, params.mem);
 
     std::memcpy(output.data(), &params, output.size());
-    return 0;
+    return NvResult::Success;
 }
 
-u32 nvhost_gpu::SetChannelPriority(const std::vector<u8>& input, std::vector<u8>& output) {
+NvResult nvhost_gpu::SetChannelPriority(const std::vector<u8>& input, std::vector<u8>& output) {
     std::memcpy(&channel_priority, input.data(), input.size());
     LOG_DEBUG(Service_NVDRV, "(STUBBED) called, priority={:X}", channel_priority);
 
-    return 0;
+    return NvResult::Success;
 }
 
-u32 nvhost_gpu::AllocGPFIFOEx2(const std::vector<u8>& input, std::vector<u8>& output) {
+NvResult nvhost_gpu::AllocGPFIFOEx2(const std::vector<u8>& input, std::vector<u8>& output) {
     IoctlAllocGpfifoEx2 params{};
     std::memcpy(&params, input.data(), input.size());
     LOG_WARNING(Service_NVDRV,
@@ -137,10 +162,10 @@ u32 nvhost_gpu::AllocGPFIFOEx2(const std::vector<u8>& input, std::vector<u8>& ou
     params.fence_out = channel_fence;
 
     std::memcpy(output.data(), &params, output.size());
-    return 0;
+    return NvResult::Success;
 }
 
-u32 nvhost_gpu::AllocateObjectContext(const std::vector<u8>& input, std::vector<u8>& output) {
+NvResult nvhost_gpu::AllocateObjectContext(const std::vector<u8>& input, std::vector<u8>& output) {
     IoctlAllocObjCtx params{};
     std::memcpy(&params, input.data(), input.size());
     LOG_WARNING(Service_NVDRV, "(STUBBED) called, class_num={:X}, flags={:X}", params.class_num,
@@ -148,7 +173,7 @@ u32 nvhost_gpu::AllocateObjectContext(const std::vector<u8>& input, std::vector<
 
     params.obj_id = 0x0;
     std::memcpy(output.data(), &params, output.size());
-    return 0;
+    return NvResult::Success;
 }
 
 static std::vector<Tegra::CommandHeader> BuildWaitCommandList(Fence fence) {
@@ -192,8 +217,8 @@ static std::vector<Tegra::CommandHeader> BuildIncrementWithWfiCommandList(Fence
     return result;
 }
 
-u32 nvhost_gpu::SubmitGPFIFOImpl(IoctlSubmitGpfifo& params, std::vector<u8>& output,
-                                 Tegra::CommandList&& entries) {
+NvResult nvhost_gpu::SubmitGPFIFOImpl(IoctlSubmitGpfifo& params, std::vector<u8>& output,
+                                      Tegra::CommandList&& entries) {
     LOG_TRACE(Service_NVDRV, "called, gpfifo={:X}, num_entries={:X}, flags={:X}", params.address,
               params.num_entries, params.flags.raw);
 
@@ -227,69 +252,70 @@ u32 nvhost_gpu::SubmitGPFIFOImpl(IoctlSubmitGpfifo& params, std::vector<u8>& out
     }
 
     std::memcpy(output.data(), &params, sizeof(IoctlSubmitGpfifo));
-    return 0;
+    return NvResult::Success;
 }
 
-u32 nvhost_gpu::SubmitGPFIFO(const std::vector<u8>& input, std::vector<u8>& output) {
+NvResult nvhost_gpu::SubmitGPFIFOBase(const std::vector<u8>& input, std::vector<u8>& output,
+                                      bool kickoff) {
     if (input.size() < sizeof(IoctlSubmitGpfifo)) {
         UNIMPLEMENTED();
+        return NvResult::InvalidSize;
     }
     IoctlSubmitGpfifo params{};
     std::memcpy(&params, input.data(), sizeof(IoctlSubmitGpfifo));
-
     Tegra::CommandList entries(params.num_entries);
-    std::memcpy(entries.command_lists.data(), &input[sizeof(IoctlSubmitGpfifo)],
-                params.num_entries * sizeof(Tegra::CommandListHeader));
 
-    return SubmitGPFIFOImpl(params, output, std::move(entries));
-}
-
-u32 nvhost_gpu::KickoffPB(const std::vector<u8>& input, std::vector<u8>& output,
-                          const std::vector<u8>& input2, IoctlVersion version) {
-    if (input.size() < sizeof(IoctlSubmitGpfifo)) {
-        UNIMPLEMENTED();
-    }
-    IoctlSubmitGpfifo params{};
-    std::memcpy(&params, input.data(), sizeof(IoctlSubmitGpfifo));
-
-    Tegra::CommandList entries(params.num_entries);
-    if (version == IoctlVersion::Version2) {
-        std::memcpy(entries.command_lists.data(), input2.data(),
-                    params.num_entries * sizeof(Tegra::CommandListHeader));
-    } else {
+    if (kickoff) {
         system.Memory().ReadBlock(params.address, entries.command_lists.data(),
                                   params.num_entries * sizeof(Tegra::CommandListHeader));
+    } else {
+        std::memcpy(entries.command_lists.data(), &input[sizeof(IoctlSubmitGpfifo)],
+                    params.num_entries * sizeof(Tegra::CommandListHeader));
     }
 
     return SubmitGPFIFOImpl(params, output, std::move(entries));
 }
 
-u32 nvhost_gpu::GetWaitbase(const std::vector<u8>& input, std::vector<u8>& output) {
+NvResult nvhost_gpu::SubmitGPFIFOBase(const std::vector<u8>& input,
+                                      const std::vector<u8>& input_inline,
+                                      std::vector<u8>& output) {
+    if (input.size() < sizeof(IoctlSubmitGpfifo)) {
+        UNIMPLEMENTED();
+        return NvResult::InvalidSize;
+    }
+    IoctlSubmitGpfifo params{};
+    std::memcpy(&params, input.data(), sizeof(IoctlSubmitGpfifo));
+    Tegra::CommandList entries(params.num_entries);
+    std::memcpy(entries.command_lists.data(), input_inline.data(), input_inline.size());
+    return SubmitGPFIFOImpl(params, output, std::move(entries));
+}
+
+NvResult nvhost_gpu::GetWaitbase(const std::vector<u8>& input, std::vector<u8>& output) {
     IoctlGetWaitbase params{};
     std::memcpy(&params, input.data(), sizeof(IoctlGetWaitbase));
     LOG_INFO(Service_NVDRV, "called, unknown=0x{:X}", params.unknown);
 
     params.value = 0; // Seems to be hard coded at 0
     std::memcpy(output.data(), &params, output.size());
-    return 0;
+    return NvResult::Success;
 }
 
-u32 nvhost_gpu::ChannelSetTimeout(const std::vector<u8>& input, std::vector<u8>& output) {
+NvResult nvhost_gpu::ChannelSetTimeout(const std::vector<u8>& input, std::vector<u8>& output) {
     IoctlChannelSetTimeout params{};
     std::memcpy(&params, input.data(), sizeof(IoctlChannelSetTimeout));
     LOG_INFO(Service_NVDRV, "called, timeout=0x{:X}", params.timeout);
 
-    return 0;
+    return NvResult::Success;
 }
 
-u32 nvhost_gpu::ChannelSetTimeslice(const std::vector<u8>& input, std::vector<u8>& output) {
+NvResult nvhost_gpu::ChannelSetTimeslice(const std::vector<u8>& input, std::vector<u8>& output) {
     IoctlSetTimeslice params{};
     std::memcpy(&params, input.data(), sizeof(IoctlSetTimeslice));
     LOG_INFO(Service_NVDRV, "called, timeslice=0x{:X}", params.timeslice);
 
     channel_timeslice = params.timeslice;
 
-    return 0;
+    return NvResult::Success;
 }
 
 } // namespace Service::Nvidia::Devices

src/core/hle/service/nvdrv/devices/nvhost_gpu.h

@@ -20,43 +20,19 @@ class SyncpointManager;
 namespace Service::Nvidia::Devices {
 
 class nvmap;
-constexpr u32 NVGPU_IOCTL_MAGIC('H');
-constexpr u32 NVGPU_IOCTL_CHANNEL_SUBMIT_GPFIFO(0x8);
-constexpr u32 NVGPU_IOCTL_CHANNEL_KICKOFF_PB(0x1b);
-
 class nvhost_gpu final : public nvdevice {
 public:
     explicit nvhost_gpu(Core::System& system, std::shared_ptr<nvmap> nvmap_dev,
                         SyncpointManager& syncpoint_manager);
     ~nvhost_gpu() override;
 
-    u32 ioctl(Ioctl command, const std::vector<u8>& input, const std::vector<u8>& input2,
-              std::vector<u8>& output, std::vector<u8>& output2, IoctlCtrl& ctrl,
-              IoctlVersion version) override;
+    NvResult Ioctl1(Ioctl command, const std::vector<u8>& input, std::vector<u8>& output) override;
+    NvResult Ioctl2(Ioctl command, const std::vector<u8>& input,
+                    const std::vector<u8>& inline_input, std::vector<u8>& output) override;
+    NvResult Ioctl3(Ioctl command, const std::vector<u8>& input, std::vector<u8>& output,
+                    std::vector<u8>& inline_output) override;
 
 private:
-    enum class IoctlCommand : u32_le {
-        IocSetNVMAPfdCommand = 0x40044801,
-        IocAllocGPFIFOCommand = 0x40084805,
-        IocSetClientDataCommand = 0x40084714,
-        IocGetClientDataCommand = 0x80084715,
-        IocZCullBind = 0xc010480b,
-        IocSetErrorNotifierCommand = 0xC018480C,
-        IocChannelSetPriorityCommand = 0x4004480D,
-        IocEnableCommand = 0x0000480E,
-        IocDisableCommand = 0x0000480F,
-        IocPreemptCommand = 0x00004810,
-        IocForceResetCommand = 0x00004811,
-        IocEventIdControlCommand = 0x40084812,
-        IocGetErrorNotificationCommand = 0xC0104817,
-        IocAllocGPFIFOExCommand = 0x40204818,
-        IocAllocGPFIFOEx2Command = 0xC020481A,
-        IocAllocObjCtxCommand = 0xC0104809,
-        IocChannelGetWaitbaseCommand = 0xC0080003,
-        IocChannelSetTimeoutCommand = 0x40044803,
-        IocChannelSetTimeslice = 0xC004481D,
-    };
-
     enum class CtxObjects : u32_le {
         Ctx2D = 0x902D,
         Ctx3D = 0xB197,
@@ -67,63 +43,63 @@ private:
     };
 
     struct IoctlSetNvmapFD {
-        u32_le nvmap_fd;
+        s32_le nvmap_fd{};
     };
     static_assert(sizeof(IoctlSetNvmapFD) == 4, "IoctlSetNvmapFD is incorrect size");
 
     struct IoctlChannelSetTimeout {
-        u32_le timeout;
+        u32_le timeout{};
     };
     static_assert(sizeof(IoctlChannelSetTimeout) == 4, "IoctlChannelSetTimeout is incorrect size");
 
     struct IoctlAllocGPFIFO {
-        u32_le num_entries;
-        u32_le flags;
+        u32_le num_entries{};
+        u32_le flags{};
     };
     static_assert(sizeof(IoctlAllocGPFIFO) == 8, "IoctlAllocGPFIFO is incorrect size");
 
     struct IoctlClientData {
-        u64_le data;
+        u64_le data{};
     };
     static_assert(sizeof(IoctlClientData) == 8, "IoctlClientData is incorrect size");
 
     struct IoctlZCullBind {
-        u64_le gpu_va;
-        u32_le mode; // 0=global, 1=no_ctxsw, 2=separate_buffer, 3=part_of_regular_buf
+        u64_le gpu_va{};
+        u32_le mode{}; // 0=global, 1=no_ctxsw, 2=separate_buffer, 3=part_of_regular_buf
         INSERT_PADDING_WORDS(1);
     };
     static_assert(sizeof(IoctlZCullBind) == 16, "IoctlZCullBind is incorrect size");
 
     struct IoctlSetErrorNotifier {
-        u64_le offset;
-        u64_le size;
-        u32_le mem; // nvmap object handle
+        u64_le offset{};
+        u64_le size{};
+        u32_le mem{}; // nvmap object handle
         INSERT_PADDING_WORDS(1);
     };
     static_assert(sizeof(IoctlSetErrorNotifier) == 24, "IoctlSetErrorNotifier is incorrect size");
 
     struct IoctlChannelSetPriority {
-        u32_le priority;
+        u32_le priority{};
     };
     static_assert(sizeof(IoctlChannelSetPriority) == 4,
                   "IoctlChannelSetPriority is incorrect size");
 
     struct IoctlSetTimeslice {
-        u32_le timeslice;
+        u32_le timeslice{};
     };
     static_assert(sizeof(IoctlSetTimeslice) == 4, "IoctlSetTimeslice is incorrect size");
 
     struct IoctlEventIdControl {
-        u32_le cmd; // 0=disable, 1=enable, 2=clear
-        u32_le id;
+        u32_le cmd{}; // 0=disable, 1=enable, 2=clear
+        u32_le id{};
     };
     static_assert(sizeof(IoctlEventIdControl) == 8, "IoctlEventIdControl is incorrect size");
 
     struct IoctlGetErrorNotification {
-        u64_le timestamp;
-        u32_le info32;
-        u16_le info16;
-        u16_le status; // always 0xFFFF
+        u64_le timestamp{};
+        u32_le info32{};
+        u16_le info16{};
+        u16_le status{}; // always 0xFFFF
     };
     static_assert(sizeof(IoctlGetErrorNotification) == 16,
                   "IoctlGetErrorNotification is incorrect size");
@@ -131,39 +107,39 @@ private:
     static_assert(sizeof(Fence) == 8, "Fence is incorrect size");
 
     struct IoctlAllocGpfifoEx {
-        u32_le num_entries;
-        u32_le flags;
-        u32_le unk0;
-        u32_le unk1;
-        u32_le unk2;
-        u32_le unk3;
-        u32_le unk4;
-        u32_le unk5;
+        u32_le num_entries{};
+        u32_le flags{};
+        u32_le unk0{};
+        u32_le unk1{};
+        u32_le unk2{};
+        u32_le unk3{};
+        u32_le unk4{};
+        u32_le unk5{};
     };
     static_assert(sizeof(IoctlAllocGpfifoEx) == 32, "IoctlAllocGpfifoEx is incorrect size");
 
     struct IoctlAllocGpfifoEx2 {
-        u32_le num_entries; // in
-        u32_le flags;       // in
-        u32_le unk0;        // in (1 works)
-        Fence fence_out;    // out
-        u32_le unk1;        // in
-        u32_le unk2;        // in
-        u32_le unk3;        // in
+        u32_le num_entries{}; // in
+        u32_le flags{};       // in
+        u32_le unk0{};        // in (1 works)
+        Fence fence_out{};    // out
+        u32_le unk1{};        // in
+        u32_le unk2{};        // in
+        u32_le unk3{};        // in
     };
     static_assert(sizeof(IoctlAllocGpfifoEx2) == 32, "IoctlAllocGpfifoEx2 is incorrect size");
 
     struct IoctlAllocObjCtx {
-        u32_le class_num; // 0x902D=2d, 0xB197=3d, 0xB1C0=compute, 0xA140=kepler, 0xB0B5=DMA,
-                          // 0xB06F=channel_gpfifo
-        u32_le flags;
-        u64_le obj_id; // (ignored) used for FREE_OBJ_CTX ioctl, which is not supported
+        u32_le class_num{}; // 0x902D=2d, 0xB197=3d, 0xB1C0=compute, 0xA140=kepler, 0xB0B5=DMA,
+                            // 0xB06F=channel_gpfifo
+        u32_le flags{};
+        u64_le obj_id{}; // (ignored) used for FREE_OBJ_CTX ioctl, which is not supported
     };
     static_assert(sizeof(IoctlAllocObjCtx) == 16, "IoctlAllocObjCtx is incorrect size");
 
     struct IoctlSubmitGpfifo {
-        u64_le address;     // pointer to gpfifo entry structs
-        u32_le num_entries; // number of fence objects being submitted
+        u64_le address{};     // pointer to gpfifo entry structs
+        u32_le num_entries{}; // number of fence objects being submitted
         union {
             u32_le raw;
             BitField<0, 1, u32_le> add_wait;      // append a wait sync_point to the list
@@ -172,7 +148,7 @@ private:
             BitField<4, 1, u32_le> suppress_wfi;  // suppress wait for interrupt
             BitField<8, 1, u32_le> increment;     // increment the returned fence
         } flags;
-        Fence fence_out; // returned new fence object for others to wait on
+        Fence fence_out{}; // returned new fence object for others to wait on
 
         u32 AddIncrementValue() const {
             return flags.add_increment.Value() << 1;
@@ -182,33 +158,34 @@ private:
                   "IoctlSubmitGpfifo is incorrect size");
 
     struct IoctlGetWaitbase {
-        u32 unknown; // seems to be ignored? Nintendo added this
-        u32 value;
+        u32 unknown{}; // seems to be ignored? Nintendo added this
+        u32 value{};
     };
     static_assert(sizeof(IoctlGetWaitbase) == 8, "IoctlGetWaitbase is incorrect size");
 
-    u32_le nvmap_fd{};
+    s32_le nvmap_fd{};
     u64_le user_data{};
     IoctlZCullBind zcull_params{};
     u32_le channel_priority{};
     u32_le channel_timeslice{};
 
-    u32 SetNVMAPfd(const std::vector<u8>& input, std::vector<u8>& output);
-    u32 SetClientData(const std::vector<u8>& input, std::vector<u8>& output);
-    u32 GetClientData(const std::vector<u8>& input, std::vector<u8>& output);
-    u32 ZCullBind(const std::vector<u8>& input, std::vector<u8>& output);
-    u32 SetErrorNotifier(const std::vector<u8>& input, std::vector<u8>& output);
-    u32 SetChannelPriority(const std::vector<u8>& input, std::vector<u8>& output);
-    u32 AllocGPFIFOEx2(const std::vector<u8>& input, std::vector<u8>& output);
-    u32 AllocateObjectContext(const std::vector<u8>& input, std::vector<u8>& output);
-    u32 SubmitGPFIFOImpl(IoctlSubmitGpfifo& params, std::vector<u8>& output,
-                         Tegra::CommandList&& entries);
-    u32 SubmitGPFIFO(const std::vector<u8>& input, std::vector<u8>& output);
-    u32 KickoffPB(const std::vector<u8>& input, std::vector<u8>& output,
-                  const std::vector<u8>& input2, IoctlVersion version);
-    u32 GetWaitbase(const std::vector<u8>& input, std::vector<u8>& output);
-    u32 ChannelSetTimeout(const std::vector<u8>& input, std::vector<u8>& output);
-    u32 ChannelSetTimeslice(const std::vector<u8>& input, std::vector<u8>& output);
+    NvResult SetNVMAPfd(const std::vector<u8>& input, std::vector<u8>& output);
+    NvResult SetClientData(const std::vector<u8>& input, std::vector<u8>& output);
+    NvResult GetClientData(const std::vector<u8>& input, std::vector<u8>& output);
+    NvResult ZCullBind(const std::vector<u8>& input, std::vector<u8>& output);
+    NvResult SetErrorNotifier(const std::vector<u8>& input, std::vector<u8>& output);
+    NvResult SetChannelPriority(const std::vector<u8>& input, std::vector<u8>& output);
+    NvResult AllocGPFIFOEx2(const std::vector<u8>& input, std::vector<u8>& output);
+    NvResult AllocateObjectContext(const std::vector<u8>& input, std::vector<u8>& output);
+    NvResult SubmitGPFIFOImpl(IoctlSubmitGpfifo& params, std::vector<u8>& output,
+                              Tegra::CommandList&& entries);
+    NvResult SubmitGPFIFOBase(const std::vector<u8>& input, std::vector<u8>& output,
+                              bool kickoff = false);
+    NvResult SubmitGPFIFOBase(const std::vector<u8>& input, const std::vector<u8>& input_inline,
+                              std::vector<u8>& output);
+    NvResult GetWaitbase(const std::vector<u8>& input, std::vector<u8>& output);
+    NvResult ChannelSetTimeout(const std::vector<u8>& input, std::vector<u8>& output);
+    NvResult ChannelSetTimeslice(const std::vector<u8>& input, std::vector<u8>& output);
 
     std::shared_ptr<nvmap> nvmap_dev;
     SyncpointManager& syncpoint_manager;

src/core/hle/service/nvdrv/devices/nvhost_nvdec.cpp

@@ -15,46 +15,58 @@ nvhost_nvdec::nvhost_nvdec(Core::System& system, std::shared_ptr<nvmap> nvmap_de
     : nvhost_nvdec_common(system, std::move(nvmap_dev)) {}
 nvhost_nvdec::~nvhost_nvdec() = default;
 
-u32 nvhost_nvdec::ioctl(Ioctl command, const std::vector<u8>& input, const std::vector<u8>& input2,
-                        std::vector<u8>& output, std::vector<u8>& output2, IoctlCtrl& ctrl,
-                        IoctlVersion version) {
-    LOG_DEBUG(Service_NVDRV, "called, command=0x{:08X}, input_size=0x{:X}, output_size=0x{:X}",
-              command.raw, input.size(), output.size());
-
-    switch (static_cast<IoctlCommand>(command.raw)) {
-    case IoctlCommand::IocSetNVMAPfdCommand:
-        return SetNVMAPfd(input);
-    case IoctlCommand::IocSubmit:
-        return Submit(input, output);
-    case IoctlCommand::IocGetSyncpoint:
-        return GetSyncpoint(input, output);
-    case IoctlCommand::IocGetWaitbase:
-        return GetWaitbase(input, output);
-    case IoctlCommand::IocMapBuffer:
-    case IoctlCommand::IocMapBuffer2:
-    case IoctlCommand::IocMapBuffer3:
-    case IoctlCommand::IocMapBufferEx:
-        return MapBuffer(input, output);
-    case IoctlCommand::IocUnmapBufferEx: {
-        // This command is sent when the video stream has ended, flush all video contexts
-        // This is usually sent in the folowing order: vic, nvdec, vic.
-        // Inform the GPU to clear any remaining nvdec buffers when this is detected.
-        LOG_INFO(Service_NVDRV, "NVDEC video stream ended");
-        Tegra::ChCommandHeaderList cmdlist(1);
-        cmdlist[0] = Tegra::ChCommandHeader{0xDEADB33F};
-        system.GPU().PushCommandBuffer(cmdlist);
-        [[fallthrough]]; // fallthrough to unmap buffers
-    };
-    case IoctlCommand::IocUnmapBuffer:
-    case IoctlCommand::IocUnmapBuffer2:
-    case IoctlCommand::IocUnmapBuffer3:
-        return UnmapBuffer(input, output);
-    case IoctlCommand::IocSetSubmitTimeout:
-        return SetSubmitTimeout(input, output);
+NvResult nvhost_nvdec::Ioctl1(Ioctl command, const std::vector<u8>& input,
+                              std::vector<u8>& output) {
+    switch (command.group) {
+    case 0x0:
+        switch (command.cmd) {
+        case 0x1:
+            return Submit(input, output);
+        case 0x2:
+            return GetSyncpoint(input, output);
+        case 0x3:
+            return GetWaitbase(input, output);
+        case 0x7:
+            return SetSubmitTimeout(input, output);
+        case 0x9:
+            return MapBuffer(input, output);
+        case 0xa: {
+            if (command.length == 0x1c) {
+                LOG_INFO(Service_NVDRV, "NVDEC video stream ended");
+                Tegra::ChCommandHeaderList cmdlist(1);
+                cmdlist[0] = Tegra::ChCommandHeader{0xDEADB33F};
+                system.GPU().PushCommandBuffer(cmdlist);
+            }
+            return UnmapBuffer(input, output);
+        }
+        default:
+            break;
+        }
+        break;
+    case 'H':
+        switch (command.cmd) {
+        case 0x1:
+            return SetNVMAPfd(input);
+        default:
+            break;
+        }
+        break;
     }
 
-    UNIMPLEMENTED_MSG("Unimplemented ioctl 0x{:X}", command.raw);
-    return 0;
+    UNIMPLEMENTED_MSG("Unimplemented ioctl={:08X}", command.raw);
+    return NvResult::NotImplemented;
+}
+
+NvResult nvhost_nvdec::Ioctl2(Ioctl command, const std::vector<u8>& input,
+                              const std::vector<u8>& inline_input, std::vector<u8>& output) {
+    UNIMPLEMENTED_MSG("Unimplemented ioctl={:08X}", command.raw);
+    return NvResult::NotImplemented;
+}
+
+NvResult nvhost_nvdec::Ioctl3(Ioctl command, const std::vector<u8>& input, std::vector<u8>& output,
+                              std::vector<u8>& inline_output) {
+    UNIMPLEMENTED_MSG("Unimplemented ioctl={:08X}", command.raw);
+    return NvResult::NotImplemented;
 }
 
 } // namespace Service::Nvidia::Devices

src/core/hle/service/nvdrv/devices/nvhost_nvdec.h

@@ -14,26 +14,11 @@ public:
     explicit nvhost_nvdec(Core::System& system, std::shared_ptr<nvmap> nvmap_dev);
     ~nvhost_nvdec() override;
 
-    u32 ioctl(Ioctl command, const std::vector<u8>& input, const std::vector<u8>& input2,
-              std::vector<u8>& output, std::vector<u8>& output2, IoctlCtrl& ctrl,
-              IoctlVersion version) override;
-
-private:
-    enum class IoctlCommand : u32_le {
-        IocSetNVMAPfdCommand = 0x40044801,
-        IocSubmit = 0xC0400001,
-        IocGetSyncpoint = 0xC0080002,
-        IocGetWaitbase = 0xC0080003,
-        IocMapBuffer = 0xC01C0009,
-        IocMapBuffer2 = 0xC16C0009,
-        IocMapBuffer3 = 0xC15C0009,
-        IocMapBufferEx = 0xC0A40009,
-        IocUnmapBuffer = 0xC0A4000A,
-        IocUnmapBuffer2 = 0xC16C000A,
-        IocUnmapBufferEx = 0xC01C000A,
-        IocUnmapBuffer3 = 0xC15C000A,
-        IocSetSubmitTimeout = 0x40040007,
-    };
+    NvResult Ioctl1(Ioctl command, const std::vector<u8>& input, std::vector<u8>& output) override;
+    NvResult Ioctl2(Ioctl command, const std::vector<u8>& input,
+                    const std::vector<u8>& inline_input, std::vector<u8>& output) override;
+    NvResult Ioctl3(Ioctl command, const std::vector<u8>& input, std::vector<u8>& output,
+                    std::vector<u8>& inline_output) override;
 };
 
 } // namespace Service::Nvidia::Devices

src/core/hle/service/nvdrv/devices/nvhost_nvdec_common.cpp

@@ -36,26 +36,20 @@ std::size_t WriteVectors(std::vector<u8>& dst, const std::vector<T>& src, std::s
 }
 } // Anonymous namespace
 
-namespace NvErrCodes {
-constexpr u32 Success{};
-[[maybe_unused]] constexpr u32 OutOfMemory{static_cast<u32>(-12)};
-constexpr u32 InvalidInput{static_cast<u32>(-22)};
-} // namespace NvErrCodes
-
 nvhost_nvdec_common::nvhost_nvdec_common(Core::System& system, std::shared_ptr<nvmap> nvmap_dev)
     : nvdevice(system), nvmap_dev(std::move(nvmap_dev)) {}
 nvhost_nvdec_common::~nvhost_nvdec_common() = default;
 
-u32 nvhost_nvdec_common::SetNVMAPfd(const std::vector<u8>& input) {
+NvResult nvhost_nvdec_common::SetNVMAPfd(const std::vector<u8>& input) {
     IoctlSetNvmapFD params{};
     std::memcpy(&params, input.data(), sizeof(IoctlSetNvmapFD));
     LOG_DEBUG(Service_NVDRV, "called, fd={}", params.nvmap_fd);
 
     nvmap_fd = params.nvmap_fd;
-    return 0;
+    return NvResult::Success;
 }
 
-u32 nvhost_nvdec_common::Submit(const std::vector<u8>& input, std::vector<u8>& output) {
+NvResult nvhost_nvdec_common::Submit(const std::vector<u8>& input, std::vector<u8>& output) {
     IoctlSubmit params{};
     std::memcpy(&params, input.data(), sizeof(IoctlSubmit));
     LOG_DEBUG(Service_NVDRV, "called NVDEC Submit, cmd_buffer_count={}", params.cmd_buffer_count);
@@ -83,12 +77,12 @@ u32 nvhost_nvdec_common::Submit(const std::vector<u8>& input, std::vector<u8>& o
 
     for (const auto& cmd_buffer : command_buffers) {
         auto object = nvmap_dev->GetObject(cmd_buffer.memory_id);
-        ASSERT_OR_EXECUTE(object, return NvErrCodes::InvalidInput;);
+        ASSERT_OR_EXECUTE(object, return NvResult::InvalidState;);
         const auto map = FindBufferMap(object->dma_map_addr);
         if (!map) {
             LOG_ERROR(Service_NVDRV, "Tried to submit an invalid offset 0x{:X} dma 0x{:X}",
                       object->addr, object->dma_map_addr);
-            return 0;
+            return NvResult::Success;
         }
         Tegra::ChCommandHeaderList cmdlist(cmd_buffer.word_count);
         gpu.MemoryManager().ReadBlock(map->StartAddr() + cmd_buffer.offset, cmdlist.data(),
@@ -105,10 +99,10 @@ u32 nvhost_nvdec_common::Submit(const std::vector<u8>& input, std::vector<u8>& o
     offset = WriteVectors(output, syncpt_increments, offset);
     offset = WriteVectors(output, wait_checks, offset);
 
-    return NvErrCodes::Success;
+    return NvResult::Success;
 }
 
-u32 nvhost_nvdec_common::GetSyncpoint(const std::vector<u8>& input, std::vector<u8>& output) {
+NvResult nvhost_nvdec_common::GetSyncpoint(const std::vector<u8>& input, std::vector<u8>& output) {
     IoctlGetSyncpoint params{};
     std::memcpy(&params, input.data(), sizeof(IoctlGetSyncpoint));
     LOG_DEBUG(Service_NVDRV, "called GetSyncpoint, id={}", params.param);
@@ -118,18 +112,18 @@ u32 nvhost_nvdec_common::GetSyncpoint(const std::vector<u8>& input, std::vector<
     params.value = 0;
     std::memcpy(output.data(), &params, sizeof(IoctlGetSyncpoint));
 
-    return NvErrCodes::Success;
+    return NvResult::Success;
 }
 
-u32 nvhost_nvdec_common::GetWaitbase(const std::vector<u8>& input, std::vector<u8>& output) {
+NvResult nvhost_nvdec_common::GetWaitbase(const std::vector<u8>& input, std::vector<u8>& output) {
     IoctlGetWaitbase params{};
     std::memcpy(&params, input.data(), sizeof(IoctlGetWaitbase));
     params.value = 0; // Seems to be hard coded at 0
     std::memcpy(output.data(), &params, sizeof(IoctlGetWaitbase));
-    return 0;
+    return NvResult::Success;
 }
 
-u32 nvhost_nvdec_common::MapBuffer(const std::vector<u8>& input, std::vector<u8>& output) {
+NvResult nvhost_nvdec_common::MapBuffer(const std::vector<u8>& input, std::vector<u8>& output) {
     IoctlMapBuffer params{};
     std::memcpy(&params, input.data(), sizeof(IoctlMapBuffer));
     std::vector<MapBufferEntry> cmd_buffer_handles(params.num_entries);
@@ -143,7 +137,7 @@ u32 nvhost_nvdec_common::MapBuffer(const std::vector<u8>& input, std::vector<u8>
         if (!object) {
             LOG_ERROR(Service_NVDRV, "invalid cmd_buffer nvmap_handle={:X}", cmf_buff.map_handle);
             std::memcpy(output.data(), &params, output.size());
-            return NvErrCodes::InvalidInput;
+            return NvResult::InvalidState;
         }
         if (object->dma_map_addr == 0) {
             // NVDEC and VIC memory is in the 32-bit address space
@@ -165,10 +159,10 @@ u32 nvhost_nvdec_common::MapBuffer(const std::vector<u8>& input, std::vector<u8>
     std::memcpy(output.data() + sizeof(IoctlMapBuffer), cmd_buffer_handles.data(),
                 cmd_buffer_handles.size() * sizeof(MapBufferEntry));
 
-    return NvErrCodes::Success;
+    return NvResult::Success;
 }
 
-u32 nvhost_nvdec_common::UnmapBuffer(const std::vector<u8>& input, std::vector<u8>& output) {
+NvResult nvhost_nvdec_common::UnmapBuffer(const std::vector<u8>& input, std::vector<u8>& output) {
     IoctlMapBuffer params{};
     std::memcpy(&params, input.data(), sizeof(IoctlMapBuffer));
     std::vector<MapBufferEntry> cmd_buffer_handles(params.num_entries);
@@ -181,7 +175,7 @@ u32 nvhost_nvdec_common::UnmapBuffer(const std::vector<u8>& input, std::vector<u
         if (!object) {
             LOG_ERROR(Service_NVDRV, "invalid cmd_buffer nvmap_handle={:X}", cmf_buff.map_handle);
             std::memcpy(output.data(), &params, output.size());
-            return NvErrCodes::InvalidInput;
+            return NvResult::InvalidState;
         }
         if (const auto size{RemoveBufferMap(object->dma_map_addr)}; size) {
             gpu.MemoryManager().Unmap(object->dma_map_addr, *size);
@@ -193,13 +187,14 @@ u32 nvhost_nvdec_common::UnmapBuffer(const std::vector<u8>& input, std::vector<u
         object->dma_map_addr = 0;
     }
     std::memset(output.data(), 0, output.size());
-    return NvErrCodes::Success;
+    return NvResult::Success;
 }
 
-u32 nvhost_nvdec_common::SetSubmitTimeout(const std::vector<u8>& input, std::vector<u8>& output) {
+NvResult nvhost_nvdec_common::SetSubmitTimeout(const std::vector<u8>& input,
+                                               std::vector<u8>& output) {
     std::memcpy(&submit_timeout, input.data(), input.size());
     LOG_WARNING(Service_NVDRV, "(STUBBED) called");
-    return NvErrCodes::Success;
+    return NvResult::Success;
 }
 
 std::optional<nvhost_nvdec_common::BufferMap> nvhost_nvdec_common::FindBufferMap(

src/core/hle/service/nvdrv/devices/nvhost_nvdec_common.h

@@ -18,9 +18,37 @@ public:
     explicit nvhost_nvdec_common(Core::System& system, std::shared_ptr<nvmap> nvmap_dev);
     ~nvhost_nvdec_common() override;
 
-    virtual u32 ioctl(Ioctl command, const std::vector<u8>& input, const std::vector<u8>& input2,
-                      std::vector<u8>& output, std::vector<u8>& output2, IoctlCtrl& ctrl,
-                      IoctlVersion version) = 0;
+    /**
+     * Handles an ioctl1 request.
+     * @param command The ioctl command id.
+     * @param input A buffer containing the input data for the ioctl.
+     * @param output A buffer where the output data will be written to.
+     * @returns The result code of the ioctl.
+     */
+    virtual NvResult Ioctl1(Ioctl command, const std::vector<u8>& input,
+                            std::vector<u8>& output) = 0;
+
+    /**
+     * Handles an ioctl2 request.
+     * @param command The ioctl command id.
+     * @param input A buffer containing the input data for the ioctl.
+     * @param inline_input A buffer containing the input data for the ioctl which has been inlined.
+     * @param output A buffer where the output data will be written to.
+     * @returns The result code of the ioctl.
+     */
+    virtual NvResult Ioctl2(Ioctl command, const std::vector<u8>& input,
+                            const std::vector<u8>& inline_input, std::vector<u8>& output) = 0;
+
+    /**
+     * Handles an ioctl3 request.
+     * @param command The ioctl command id.
+     * @param input A buffer containing the input data for the ioctl.
+     * @param output A buffer where the output data will be written to.
+     * @param inline_output A buffer where the inlined output data will be written to.
+     * @returns The result code of the ioctl.
+     */
+    virtual NvResult Ioctl3(Ioctl command, const std::vector<u8>& input, std::vector<u8>& output,
+                            std::vector<u8>& inline_output) = 0;
 
 protected:
     class BufferMap final {
@@ -63,102 +91,102 @@ protected:
     };
 
     struct IoctlSetNvmapFD {
-        u32_le nvmap_fd;
+        s32_le nvmap_fd{};
     };
     static_assert(sizeof(IoctlSetNvmapFD) == 4, "IoctlSetNvmapFD is incorrect size");
 
     struct IoctlSubmitCommandBuffer {
-        u32_le id;
-        u32_le offset;
-        u32_le count;
+        u32_le id{};
+        u32_le offset{};
+        u32_le count{};
     };
     static_assert(sizeof(IoctlSubmitCommandBuffer) == 0xC,
                   "IoctlSubmitCommandBuffer is incorrect size");
     struct IoctlSubmit {
-        u32_le cmd_buffer_count;
-        u32_le relocation_count;
-        u32_le syncpoint_count;
-        u32_le fence_count;
+        u32_le cmd_buffer_count{};
+        u32_le relocation_count{};
+        u32_le syncpoint_count{};
+        u32_le fence_count{};
     };
     static_assert(sizeof(IoctlSubmit) == 0x10, "IoctlSubmit has incorrect size");
 
     struct CommandBuffer {
-        s32 memory_id;
-        u32 offset;
-        s32 word_count;
+        s32 memory_id{};
+        u32 offset{};
+        s32 word_count{};
     };
     static_assert(sizeof(CommandBuffer) == 0xC, "CommandBuffer has incorrect size");
 
     struct Reloc {
-        s32 cmdbuffer_memory;
-        s32 cmdbuffer_offset;
-        s32 target;
-        s32 target_offset;
+        s32 cmdbuffer_memory{};
+        s32 cmdbuffer_offset{};
+        s32 target{};
+        s32 target_offset{};
     };
     static_assert(sizeof(Reloc) == 0x10, "CommandBuffer has incorrect size");
 
     struct SyncptIncr {
-        u32 id;
-        u32 increments;
+        u32 id{};
+        u32 increments{};
     };
     static_assert(sizeof(SyncptIncr) == 0x8, "CommandBuffer has incorrect size");
 
     struct Fence {
-        u32 id;
-        u32 value;
+        u32 id{};
+        u32 value{};
     };
     static_assert(sizeof(Fence) == 0x8, "CommandBuffer has incorrect size");
 
     struct IoctlGetSyncpoint {
         // Input
-        u32_le param;
+        u32_le param{};
         // Output
-        u32_le value;
+        u32_le value{};
     };
     static_assert(sizeof(IoctlGetSyncpoint) == 8, "IocGetIdParams has wrong size");
 
     struct IoctlGetWaitbase {
-        u32_le unknown; // seems to be ignored? Nintendo added this
-        u32_le value;
+        u32_le unknown{}; // seems to be ignored? Nintendo added this
+        u32_le value{};
     };
     static_assert(sizeof(IoctlGetWaitbase) == 0x8, "IoctlGetWaitbase is incorrect size");
 
     struct IoctlMapBuffer {
-        u32_le num_entries;
-        u32_le data_address; // Ignored by the driver.
-        u32_le attach_host_ch_das;
+        u32_le num_entries{};
+        u32_le data_address{}; // Ignored by the driver.
+        u32_le attach_host_ch_das{};
     };
     static_assert(sizeof(IoctlMapBuffer) == 0x0C, "IoctlMapBuffer is incorrect size");
 
     struct IocGetIdParams {
         // Input
-        u32_le param;
+        u32_le param{};
         // Output
-        u32_le value;
+        u32_le value{};
     };
     static_assert(sizeof(IocGetIdParams) == 8, "IocGetIdParams has wrong size");
 
     // Used for mapping and unmapping command buffers
     struct MapBufferEntry {
-        u32_le map_handle;
-        u32_le map_address;
+        u32_le map_handle{};
+        u32_le map_address{};
     };
     static_assert(sizeof(IoctlMapBuffer) == 0x0C, "IoctlMapBuffer is incorrect size");
 
     /// Ioctl command implementations
-    u32 SetNVMAPfd(const std::vector<u8>& input);
-    u32 Submit(const std::vector<u8>& input, std::vector<u8>& output);
-    u32 GetSyncpoint(const std::vector<u8>& input, std::vector<u8>& output);
-    u32 GetWaitbase(const std::vector<u8>& input, std::vector<u8>& output);
-    u32 MapBuffer(const std::vector<u8>& input, std::vector<u8>& output);
-    u32 UnmapBuffer(const std::vector<u8>& input, std::vector<u8>& output);
-    u32 SetSubmitTimeout(const std::vector<u8>& input, std::vector<u8>& output);
+    NvResult SetNVMAPfd(const std::vector<u8>& input);
+    NvResult Submit(const std::vector<u8>& input, std::vector<u8>& output);
+    NvResult GetSyncpoint(const std::vector<u8>& input, std::vector<u8>& output);
+    NvResult GetWaitbase(const std::vector<u8>& input, std::vector<u8>& output);
+    NvResult MapBuffer(const std::vector<u8>& input, std::vector<u8>& output);
+    NvResult UnmapBuffer(const std::vector<u8>& input, std::vector<u8>& output);
+    NvResult SetSubmitTimeout(const std::vector<u8>& input, std::vector<u8>& output);
 
     std::optional<BufferMap> FindBufferMap(GPUVAddr gpu_addr) const;
     void AddBufferMap(GPUVAddr gpu_addr, std::size_t size, VAddr cpu_addr, bool is_allocated);
     std::optional<std::size_t> RemoveBufferMap(GPUVAddr gpu_addr);
 
-    u32_le nvmap_fd{};
+    s32_le nvmap_fd{};
     u32_le submit_timeout{};
     std::shared_ptr<nvmap> nvmap_dev;
 

src/core/hle/service/nvdrv/devices/nvhost_nvjpg.cpp

@@ -13,28 +13,44 @@ namespace Service::Nvidia::Devices {
 nvhost_nvjpg::nvhost_nvjpg(Core::System& system) : nvdevice(system) {}
 nvhost_nvjpg::~nvhost_nvjpg() = default;
 
-u32 nvhost_nvjpg::ioctl(Ioctl command, const std::vector<u8>& input, const std::vector<u8>& input2,
-                        std::vector<u8>& output, std::vector<u8>& output2, IoctlCtrl& ctrl,
-                        IoctlVersion version) {
-    LOG_DEBUG(Service_NVDRV, "called, command=0x{:08X}, input_size=0x{:X}, output_size=0x{:X}",
-              command.raw, input.size(), output.size());
-
-    switch (static_cast<IoctlCommand>(command.raw)) {
-    case IoctlCommand::IocSetNVMAPfdCommand:
-        return SetNVMAPfd(input, output);
+NvResult nvhost_nvjpg::Ioctl1(Ioctl command, const std::vector<u8>& input,
+                              std::vector<u8>& output) {
+    switch (command.group) {
+    case 'H':
+        switch (command.cmd) {
+        case 0x1:
+            return SetNVMAPfd(input, output);
+        default:
+            break;
+        }
+        break;
+    default:
+        break;
     }
 
-    UNIMPLEMENTED_MSG("Unimplemented ioctl");
-    return 0;
+    UNIMPLEMENTED_MSG("Unimplemented ioctl={:08X}", command.raw);
+    return NvResult::NotImplemented;
 }
 
-u32 nvhost_nvjpg::SetNVMAPfd(const std::vector<u8>& input, std::vector<u8>& output) {
+NvResult nvhost_nvjpg::Ioctl2(Ioctl command, const std::vector<u8>& input,
+                              const std::vector<u8>& inline_input, std::vector<u8>& output) {
+    UNIMPLEMENTED_MSG("Unimplemented ioctl={:08X}", command.raw);
+    return NvResult::NotImplemented;
+}
+
+NvResult nvhost_nvjpg::Ioctl3(Ioctl command, const std::vector<u8>& input, std::vector<u8>& output,
+                              std::vector<u8>& inline_output) {
+    UNIMPLEMENTED_MSG("Unimplemented ioctl={:08X}", command.raw);
+    return NvResult::NotImplemented;
+}
+
+NvResult nvhost_nvjpg::SetNVMAPfd(const std::vector<u8>& input, std::vector<u8>& output) {
     IoctlSetNvmapFD params{};
     std::memcpy(&params, input.data(), input.size());
     LOG_DEBUG(Service_NVDRV, "called, fd={}", params.nvmap_fd);
 
     nvmap_fd = params.nvmap_fd;
-    return 0;
+    return NvResult::Success;
 }
 
 } // namespace Service::Nvidia::Devices

src/core/hle/service/nvdrv/devices/nvhost_nvjpg.h

@@ -16,23 +16,21 @@ public:
     explicit nvhost_nvjpg(Core::System& system);
     ~nvhost_nvjpg() override;
 
-    u32 ioctl(Ioctl command, const std::vector<u8>& input, const std::vector<u8>& input2,
-              std::vector<u8>& output, std::vector<u8>& output2, IoctlCtrl& ctrl,
-              IoctlVersion version) override;
+    NvResult Ioctl1(Ioctl command, const std::vector<u8>& input, std::vector<u8>& output) override;
+    NvResult Ioctl2(Ioctl command, const std::vector<u8>& input,
+                    const std::vector<u8>& inline_input, std::vector<u8>& output) override;
+    NvResult Ioctl3(Ioctl command, const std::vector<u8>& input, std::vector<u8>& output,
+                    std::vector<u8>& inline_output) override;
 
 private:
-    enum class IoctlCommand : u32_le {
-        IocSetNVMAPfdCommand = 0x40044801,
-    };
-
     struct IoctlSetNvmapFD {
-        u32_le nvmap_fd;
+        s32_le nvmap_fd{};
     };
     static_assert(sizeof(IoctlSetNvmapFD) == 4, "IoctlSetNvmapFD is incorrect size");
 
-    u32_le nvmap_fd{};
+    s32_le nvmap_fd{};
 
-    u32 SetNVMAPfd(const std::vector<u8>& input, std::vector<u8>& output);
+    NvResult SetNVMAPfd(const std::vector<u8>& input, std::vector<u8>& output);
 };
 
 } // namespace Service::Nvidia::Devices

src/core/hle/service/nvdrv/devices/nvhost_vic.cpp

@@ -15,36 +15,50 @@ nvhost_vic::nvhost_vic(Core::System& system, std::shared_ptr<nvmap> nvmap_dev)
 
 nvhost_vic::~nvhost_vic() = default;
 
-u32 nvhost_vic::ioctl(Ioctl command, const std::vector<u8>& input, const std::vector<u8>& input2,
-                      std::vector<u8>& output, std::vector<u8>& output2, IoctlCtrl& ctrl,
-                      IoctlVersion version) {
-    LOG_DEBUG(Service_NVDRV, "called, command=0x{:08X}, input_size=0x{:X}, output_size=0x{:X}",
-              command.raw, input.size(), output.size());
-
-    switch (static_cast<IoctlCommand>(command.raw)) {
-    case IoctlCommand::IocSetNVMAPfdCommand:
-        return SetNVMAPfd(input);
-    case IoctlCommand::IocSubmit:
-        return Submit(input, output);
-    case IoctlCommand::IocGetSyncpoint:
-        return GetSyncpoint(input, output);
-    case IoctlCommand::IocGetWaitbase:
-        return GetWaitbase(input, output);
-    case IoctlCommand::IocMapBuffer:
-    case IoctlCommand::IocMapBuffer2:
-    case IoctlCommand::IocMapBuffer3:
-    case IoctlCommand::IocMapBuffer4:
-    case IoctlCommand::IocMapBufferEx:
-        return MapBuffer(input, output);
-    case IoctlCommand::IocUnmapBuffer:
-    case IoctlCommand::IocUnmapBuffer2:
-    case IoctlCommand::IocUnmapBuffer3:
-    case IoctlCommand::IocUnmapBufferEx:
-        return UnmapBuffer(input, output);
+NvResult nvhost_vic::Ioctl1(Ioctl command, const std::vector<u8>& input, std::vector<u8>& output) {
+    switch (command.group) {
+    case 0x0:
+        switch (command.cmd) {
+        case 0x1:
+            return Submit(input, output);
+        case 0x2:
+            return GetSyncpoint(input, output);
+        case 0x3:
+            return GetWaitbase(input, output);
+        case 0x9:
+            return MapBuffer(input, output);
+        case 0xa:
+            return UnmapBuffer(input, output);
+        default:
+            break;
+        }
+        break;
+    case 'H':
+        switch (command.cmd) {
+        case 0x1:
+            return SetNVMAPfd(input);
+        default:
+            break;
+        }
+        break;
+    default:
+        break;
     }
 
-    UNIMPLEMENTED_MSG("Unimplemented ioctl 0x{:X}", command.raw);
-    return 0;
+    UNIMPLEMENTED_MSG("Unimplemented ioctl={:08X}", command.raw);
+    return NvResult::NotImplemented;
+}
+
+NvResult nvhost_vic::Ioctl2(Ioctl command, const std::vector<u8>& input,
+                            const std::vector<u8>& inline_input, std::vector<u8>& output) {
+    UNIMPLEMENTED_MSG("Unimplemented ioctl={:08X}", command.raw);
+    return NvResult::NotImplemented;
+}
+
+NvResult nvhost_vic::Ioctl3(Ioctl command, const std::vector<u8>& input, std::vector<u8>& output,
+                            std::vector<u8>& inline_output) {
+    UNIMPLEMENTED_MSG("Unimplemented ioctl={:08X}", command.raw);
+    return NvResult::NotImplemented;
 }
 
 } // namespace Service::Nvidia::Devices

src/core/hle/service/nvdrv/devices/nvhost_vic.h

@@ -13,25 +13,11 @@ class nvhost_vic final : public nvhost_nvdec_common {
 public:
     explicit nvhost_vic(Core::System& system, std::shared_ptr<nvmap> nvmap_dev);
     ~nvhost_vic();
-    u32 ioctl(Ioctl command, const std::vector<u8>& input, const std::vector<u8>& input2,
-              std::vector<u8>& output, std::vector<u8>& output2, IoctlCtrl& ctrl,
-              IoctlVersion version) override;
 
-private:
-    enum class IoctlCommand : u32_le {
-        IocSetNVMAPfdCommand = 0x40044801,
-        IocSubmit = 0xC0400001,
-        IocGetSyncpoint = 0xC0080002,
-        IocGetWaitbase = 0xC0080003,
-        IocMapBuffer = 0xC01C0009,
-        IocMapBuffer2 = 0xC0340009,
-        IocMapBuffer3 = 0xC0140009,
-        IocMapBuffer4 = 0xC00C0009,
-        IocMapBufferEx = 0xC03C0009,
-        IocUnmapBuffer = 0xC03C000A,
-        IocUnmapBuffer2 = 0xC034000A,
-        IocUnmapBuffer3 = 0xC00C000A,
-        IocUnmapBufferEx = 0xC01C000A,
-    };
+    NvResult Ioctl1(Ioctl command, const std::vector<u8>& input, std::vector<u8>& output) override;
+    NvResult Ioctl2(Ioctl command, const std::vector<u8>& input,
+                    const std::vector<u8>& inline_input, std::vector<u8>& output) override;
+    NvResult Ioctl3(Ioctl command, const std::vector<u8>& input, std::vector<u8>& output,
+                    std::vector<u8>& inline_output) override;
 };
 } // namespace Service::Nvidia::Devices

src/core/hle/service/nvdrv/devices/nvmap.cpp

@@ -11,13 +11,6 @@
 
 namespace Service::Nvidia::Devices {
 
-namespace NvErrCodes {
-enum {
-    OperationNotPermitted = -1,
-    InvalidValue = -22,
-};
-}
-
 nvmap::nvmap(Core::System& system) : nvdevice(system) {
     // Handle 0 appears to be used when remapping, so we create a placeholder empty nvmap object to
     // represent this.
@@ -26,6 +19,46 @@ nvmap::nvmap(Core::System& system) : nvdevice(system) {
 
 nvmap::~nvmap() = default;
 
+NvResult nvmap::Ioctl1(Ioctl command, const std::vector<u8>& input, std::vector<u8>& output) {
+    switch (command.group) {
+    case 0x1:
+        switch (command.cmd) {
+        case 0x1:
+            return IocCreate(input, output);
+        case 0x3:
+            return IocFromId(input, output);
+        case 0x4:
+            return IocAlloc(input, output);
+        case 0x5:
+            return IocFree(input, output);
+        case 0x9:
+            return IocParam(input, output);
+        case 0xe:
+            return IocGetId(input, output);
+        default:
+            break;
+        }
+        break;
+    default:
+        break;
+    }
+
+    UNIMPLEMENTED_MSG("Unimplemented ioctl={:08X}", command.raw);
+    return NvResult::NotImplemented;
+}
+
+NvResult nvmap::Ioctl2(Ioctl command, const std::vector<u8>& input,
+                       const std::vector<u8>& inline_input, std::vector<u8>& output) {
+    UNIMPLEMENTED_MSG("Unimplemented ioctl={:08X}", command.raw);
+    return NvResult::NotImplemented;
+}
+
+NvResult nvmap::Ioctl3(Ioctl command, const std::vector<u8>& input, std::vector<u8>& output,
+                       std::vector<u8>& inline_output) {
+    UNIMPLEMENTED_MSG("Unimplemented ioctl={:08X}", command.raw);
+    return NvResult::NotImplemented;
+}
+
 VAddr nvmap::GetObjectAddress(u32 handle) const {
     auto object = GetObject(handle);
     ASSERT(object);
@@ -33,28 +66,6 @@ VAddr nvmap::GetObjectAddress(u32 handle) const {
     return object->addr;
 }
 
-u32 nvmap::ioctl(Ioctl command, const std::vector<u8>& input, const std::vector<u8>& input2,
-                 std::vector<u8>& output, std::vector<u8>& output2, IoctlCtrl& ctrl,
-                 IoctlVersion version) {
-    switch (static_cast<IoctlCommand>(command.raw)) {
-    case IoctlCommand::Create:
-        return IocCreate(input, output);
-    case IoctlCommand::Alloc:
-        return IocAlloc(input, output);
-    case IoctlCommand::GetId:
-        return IocGetId(input, output);
-    case IoctlCommand::FromId:
-        return IocFromId(input, output);
-    case IoctlCommand::Param:
-        return IocParam(input, output);
-    case IoctlCommand::Free:
-        return IocFree(input, output);
-    }
-
-    UNIMPLEMENTED_MSG("Unimplemented ioctl");
-    return 0;
-}
-
 u32 nvmap::CreateObject(u32 size) {
     // Create a new nvmap object and obtain a handle to it.
     auto object = std::make_shared<Object>();
@@ -70,35 +81,35 @@ u32 nvmap::CreateObject(u32 size) {
     return handle;
 }
 
-u32 nvmap::IocCreate(const std::vector<u8>& input, std::vector<u8>& output) {
+NvResult nvmap::IocCreate(const std::vector<u8>& input, std::vector<u8>& output) {
     IocCreateParams params;
     std::memcpy(&params, input.data(), sizeof(params));
     LOG_DEBUG(Service_NVDRV, "size=0x{:08X}", params.size);
 
     if (!params.size) {
         LOG_ERROR(Service_NVDRV, "Size is 0");
-        return static_cast<u32>(NvErrCodes::InvalidValue);
+        return NvResult::BadValue;
     }
 
     params.handle = CreateObject(params.size);
 
     std::memcpy(output.data(), &params, sizeof(params));
-    return 0;
+    return NvResult::Success;
 }
 
-u32 nvmap::IocAlloc(const std::vector<u8>& input, std::vector<u8>& output) {
+NvResult nvmap::IocAlloc(const std::vector<u8>& input, std::vector<u8>& output) {
     IocAllocParams params;
     std::memcpy(&params, input.data(), sizeof(params));
     LOG_DEBUG(Service_NVDRV, "called, addr={:X}", params.addr);
 
     if (!params.handle) {
         LOG_ERROR(Service_NVDRV, "Handle is 0");
-        return static_cast<u32>(NvErrCodes::InvalidValue);
+        return NvResult::BadValue;
     }
 
     if ((params.align - 1) & params.align) {
         LOG_ERROR(Service_NVDRV, "Incorrect alignment used, alignment={:08X}", params.align);
-        return static_cast<u32>(NvErrCodes::InvalidValue);
+        return NvResult::BadValue;
     }
 
     const u32 min_alignment = 0x1000;
@@ -109,12 +120,12 @@ u32 nvmap::IocAlloc(const std::vector<u8>& input, std::vector<u8>& output) {
     auto object = GetObject(params.handle);
     if (!object) {
         LOG_ERROR(Service_NVDRV, "Object does not exist, handle={:08X}", params.handle);
-        return static_cast<u32>(NvErrCodes::InvalidValue);
+        return NvResult::BadValue;
     }
 
     if (object->status == Object::Status::Allocated) {
         LOG_ERROR(Service_NVDRV, "Object is already allocated, handle={:08X}", params.handle);
-        return static_cast<u32>(NvErrCodes::OperationNotPermitted);
+        return NvResult::InsufficientMemory;
     }
 
     object->flags = params.flags;
@@ -124,10 +135,10 @@ u32 nvmap::IocAlloc(const std::vector<u8>& input, std::vector<u8>& output) {
     object->status = Object::Status::Allocated;
 
     std::memcpy(output.data(), &params, sizeof(params));
-    return 0;
+    return NvResult::Success;
 }
 
-u32 nvmap::IocGetId(const std::vector<u8>& input, std::vector<u8>& output) {
+NvResult nvmap::IocGetId(const std::vector<u8>& input, std::vector<u8>& output) {
     IocGetIdParams params;
     std::memcpy(&params, input.data(), sizeof(params));
 
@@ -135,22 +146,22 @@ u32 nvmap::IocGetId(const std::vector<u8>& input, std::vector<u8>& output) {
 
     if (!params.handle) {
         LOG_ERROR(Service_NVDRV, "Handle is zero");
-        return static_cast<u32>(NvErrCodes::InvalidValue);
+        return NvResult::BadValue;
     }
 
     auto object = GetObject(params.handle);
     if (!object) {
         LOG_ERROR(Service_NVDRV, "Object does not exist, handle={:08X}", params.handle);
-        return static_cast<u32>(NvErrCodes::OperationNotPermitted);
+        return NvResult::BadValue;
     }
 
     params.id = object->id;
 
     std::memcpy(output.data(), &params, sizeof(params));
-    return 0;
+    return NvResult::Success;
 }
 
-u32 nvmap::IocFromId(const std::vector<u8>& input, std::vector<u8>& output) {
+NvResult nvmap::IocFromId(const std::vector<u8>& input, std::vector<u8>& output) {
     IocFromIdParams params;
     std::memcpy(&params, input.data(), sizeof(params));
 
@@ -160,13 +171,13 @@ u32 nvmap::IocFromId(const std::vector<u8>& input, std::vector<u8>& output) {
                             [&](const auto& entry) { return entry.second->id == params.id; });
     if (itr == handles.end()) {
         LOG_ERROR(Service_NVDRV, "Object does not exist, handle={:08X}", params.handle);
-        return static_cast<u32>(NvErrCodes::InvalidValue);
+        return NvResult::BadValue;
     }
 
     auto& object = itr->second;
     if (object->status != Object::Status::Allocated) {
         LOG_ERROR(Service_NVDRV, "Object is not allocated, handle={:08X}", params.handle);
-        return static_cast<u32>(NvErrCodes::InvalidValue);
+        return NvResult::BadValue;
     }
 
     itr->second->refcount++;
@@ -175,10 +186,10 @@ u32 nvmap::IocFromId(const std::vector<u8>& input, std::vector<u8>& output) {
     params.handle = itr->first;
 
     std::memcpy(output.data(), &params, sizeof(params));
-    return 0;
+    return NvResult::Success;
 }
 
-u32 nvmap::IocParam(const std::vector<u8>& input, std::vector<u8>& output) {
+NvResult nvmap::IocParam(const std::vector<u8>& input, std::vector<u8>& output) {
     enum class ParamTypes { Size = 1, Alignment = 2, Base = 3, Heap = 4, Kind = 5, Compr = 6 };
 
     IocParamParams params;
@@ -189,12 +200,12 @@ u32 nvmap::IocParam(const std::vector<u8>& input, std::vector<u8>& output) {
     auto object = GetObject(params.handle);
     if (!object) {
         LOG_ERROR(Service_NVDRV, "Object does not exist, handle={:08X}", params.handle);
-        return static_cast<u32>(NvErrCodes::InvalidValue);
+        return NvResult::BadValue;
     }
 
     if (object->status != Object::Status::Allocated) {
         LOG_ERROR(Service_NVDRV, "Object is not allocated, handle={:08X}", params.handle);
-        return static_cast<u32>(NvErrCodes::OperationNotPermitted);
+        return NvResult::BadValue;
     }
 
     switch (static_cast<ParamTypes>(params.param)) {
@@ -216,10 +227,10 @@ u32 nvmap::IocParam(const std::vector<u8>& input, std::vector<u8>& output) {
     }
 
     std::memcpy(output.data(), &params, sizeof(params));
-    return 0;
+    return NvResult::Success;
 }
 
-u32 nvmap::IocFree(const std::vector<u8>& input, std::vector<u8>& output) {
+NvResult nvmap::IocFree(const std::vector<u8>& input, std::vector<u8>& output) {
     // TODO(Subv): These flags are unconfirmed.
     enum FreeFlags {
         Freed = 0,
@@ -234,14 +245,14 @@ u32 nvmap::IocFree(const std::vector<u8>& input, std::vector<u8>& output) {
     auto itr = handles.find(params.handle);
     if (itr == handles.end()) {
         LOG_ERROR(Service_NVDRV, "Object does not exist, handle={:08X}", params.handle);
-        return static_cast<u32>(NvErrCodes::InvalidValue);
+        return NvResult::BadValue;
     }
     if (!itr->second->refcount) {
         LOG_ERROR(
             Service_NVDRV,
             "There is no references to this object. The object is already freed. handle={:08X}",
             params.handle);
-        return static_cast<u32>(NvErrCodes::InvalidValue);
+        return NvResult::BadValue;
     }
 
     itr->second->refcount--;
@@ -261,7 +272,7 @@ u32 nvmap::IocFree(const std::vector<u8>& input, std::vector<u8>& output) {
     handles.erase(params.handle);
 
     std::memcpy(output.data(), &params, sizeof(params));
-    return 0;
+    return NvResult::Success;
 }
 
 } // namespace Service::Nvidia::Devices

src/core/hle/service/nvdrv/devices/nvmap.h

@@ -19,13 +19,15 @@ public:
     explicit nvmap(Core::System& system);
     ~nvmap() override;
 
+    NvResult Ioctl1(Ioctl command, const std::vector<u8>& input, std::vector<u8>& output) override;
+    NvResult Ioctl2(Ioctl command, const std::vector<u8>& input,
+                    const std::vector<u8>& inline_input, std::vector<u8>& output) override;
+    NvResult Ioctl3(Ioctl command, const std::vector<u8>& input, std::vector<u8>& output,
+                    std::vector<u8>& inline_output) override;
+
     /// Returns the allocated address of an nvmap object given its handle.
     VAddr GetObjectAddress(u32 handle) const;
 
-    u32 ioctl(Ioctl command, const std::vector<u8>& input, const std::vector<u8>& input2,
-              std::vector<u8>& output, std::vector<u8>& output2, IoctlCtrl& ctrl,
-              IoctlVersion version) override;
-
     /// Represents an nvmap object.
     struct Object {
         enum class Status { Created, Allocated };
@@ -58,76 +60,68 @@ private:
     /// Mapping of currently allocated handles to the objects they represent.
     std::unordered_map<u32, std::shared_ptr<Object>> handles;
 
-    enum class IoctlCommand : u32 {
-        Create = 0xC0080101,
-        FromId = 0xC0080103,
-        Alloc = 0xC0200104,
-        Free = 0xC0180105,
-        Param = 0xC00C0109,
-        GetId = 0xC008010E,
-    };
     struct IocCreateParams {
         // Input
-        u32_le size;
+        u32_le size{};
         // Output
-        u32_le handle;
+        u32_le handle{};
     };
     static_assert(sizeof(IocCreateParams) == 8, "IocCreateParams has wrong size");
 
     struct IocFromIdParams {
         // Input
-        u32_le id;
+        u32_le id{};
         // Output
-        u32_le handle;
+        u32_le handle{};
     };
     static_assert(sizeof(IocFromIdParams) == 8, "IocFromIdParams has wrong size");
 
     struct IocAllocParams {
         // Input
-        u32_le handle;
-        u32_le heap_mask;
-        u32_le flags;
-        u32_le align;
-        u8 kind;
+        u32_le handle{};
+        u32_le heap_mask{};
+        u32_le flags{};
+        u32_le align{};
+        u8 kind{};
         INSERT_PADDING_BYTES(7);
-        u64_le addr;
+        u64_le addr{};
     };
     static_assert(sizeof(IocAllocParams) == 32, "IocAllocParams has wrong size");
 
     struct IocFreeParams {
-        u32_le handle;
+        u32_le handle{};
         INSERT_PADDING_BYTES(4);
-        u64_le address;
-        u32_le size;
-        u32_le flags;
+        u64_le address{};
+        u32_le size{};
+        u32_le flags{};
     };
     static_assert(sizeof(IocFreeParams) == 24, "IocFreeParams has wrong size");
 
     struct IocParamParams {
         // Input
-        u32_le handle;
-        u32_le param;
+        u32_le handle{};
+        u32_le param{};
         // Output
-        u32_le result;
+        u32_le result{};
     };
     static_assert(sizeof(IocParamParams) == 12, "IocParamParams has wrong size");
 
     struct IocGetIdParams {
         // Output
-        u32_le id;
+        u32_le id{};
         // Input
-        u32_le handle;
+        u32_le handle{};
     };
     static_assert(sizeof(IocGetIdParams) == 8, "IocGetIdParams has wrong size");
 
     u32 CreateObject(u32 size);
 
-    u32 IocCreate(const std::vector<u8>& input, std::vector<u8>& output);
-    u32 IocAlloc(const std::vector<u8>& input, std::vector<u8>& output);
-    u32 IocGetId(const std::vector<u8>& input, std::vector<u8>& output);
-    u32 IocFromId(const std::vector<u8>& input, std::vector<u8>& output);
-    u32 IocParam(const std::vector<u8>& input, std::vector<u8>& output);
-    u32 IocFree(const std::vector<u8>& input, std::vector<u8>& output);
+    NvResult IocCreate(const std::vector<u8>& input, std::vector<u8>& output);
+    NvResult IocAlloc(const std::vector<u8>& input, std::vector<u8>& output);
+    NvResult IocGetId(const std::vector<u8>& input, std::vector<u8>& output);
+    NvResult IocFromId(const std::vector<u8>& input, std::vector<u8>& output);
+    NvResult IocParam(const std::vector<u8>& input, std::vector<u8>& output);
+    NvResult IocFree(const std::vector<u8>& input, std::vector<u8>& output);
 };
 
 } // namespace Service::Nvidia::Devices

src/core/hle/service/nvdrv/interface.cpp

@@ -23,124 +23,170 @@ void NVDRV::SignalGPUInterruptSyncpt(const u32 syncpoint_id, const u32 value) {
 void NVDRV::Open(Kernel::HLERequestContext& ctx) {
     LOG_DEBUG(Service_NVDRV, "called");
 
-    const auto& buffer = ctx.ReadBuffer();
-    std::string device_name(buffer.begin(), buffer.end());
+    if (!is_initialized) {
+        ServiceError(ctx, NvResult::NotInitialized);
+        LOG_ERROR(Service_NVDRV, "NvServices is not initalized!");
+        return;
+    }
+
+    const auto& buffer = ctx.ReadBuffer();
+    const std::string device_name(buffer.begin(), buffer.end());
+    DeviceFD fd = nvdrv->Open(device_name);
 
-    u32 fd = nvdrv->Open(device_name);
     IPC::ResponseBuilder rb{ctx, 4};
     rb.Push(RESULT_SUCCESS);
-    rb.Push<u32>(fd);
-    rb.Push<u32>(0);
+    rb.Push<DeviceFD>(fd);
+    rb.PushEnum(fd != INVALID_NVDRV_FD ? NvResult::Success : NvResult::FileOperationFailed);
 }
 
-void NVDRV::IoctlBase(Kernel::HLERequestContext& ctx, IoctlVersion version) {
-    IPC::RequestParser rp{ctx};
-    u32 fd = rp.Pop<u32>();
-    u32 command = rp.Pop<u32>();
-
-    /// Ioctl 3 has 2 outputs, first in the input params, second is the result
-    std::vector<u8> output(ctx.GetWriteBufferSize(0));
-    std::vector<u8> output2;
-    if (version == IoctlVersion::Version3) {
-        output2.resize((ctx.GetWriteBufferSize(1)));
-    }
-
-    /// Ioctl2 has 2 inputs. It's used to pass data directly instead of providing a pointer.
-    /// KickOfPB uses this
-    auto input = ctx.ReadBuffer(0);
-
-    std::vector<u8> input2;
-    if (version == IoctlVersion::Version2) {
-        input2 = ctx.ReadBuffer(1);
-    }
-
-    IoctlCtrl ctrl{};
-
-    u32 result = nvdrv->Ioctl(fd, command, input, input2, output, output2, ctrl, version);
-
-    if (ctrl.must_delay) {
-        ctrl.fresh_call = false;
-        ctx.SleepClientThread(
-            "NVServices::DelayedResponse", ctrl.timeout,
-            [=, this](std::shared_ptr<Kernel::Thread> thread, Kernel::HLERequestContext& ctx_,
-                      Kernel::ThreadWakeupReason reason) {
-                IoctlCtrl ctrl2{ctrl};
-                std::vector<u8> tmp_output = output;
-                std::vector<u8> tmp_output2 = output2;
-                const u32 ioctl_result = nvdrv->Ioctl(fd, command, input, input2, tmp_output,
-                                                      tmp_output2, ctrl2, version);
-                ctx_.WriteBuffer(tmp_output, 0);
-                if (version == IoctlVersion::Version3) {
-                    ctx_.WriteBuffer(tmp_output2, 1);
-                }
-                IPC::ResponseBuilder rb{ctx_, 3};
-                rb.Push(RESULT_SUCCESS);
-                rb.Push(ioctl_result);
-            },
-            nvdrv->GetEventWriteable(ctrl.event_id));
-    } else {
-        ctx.WriteBuffer(output);
-        if (version == IoctlVersion::Version3) {
-            ctx.WriteBuffer(output2, 1);
-        }
-    }
+void NVDRV::ServiceError(Kernel::HLERequestContext& ctx, NvResult result) {
     IPC::ResponseBuilder rb{ctx, 3};
     rb.Push(RESULT_SUCCESS);
-    rb.Push(result);
+    rb.PushEnum(result);
 }
 
-void NVDRV::Ioctl(Kernel::HLERequestContext& ctx) {
-    LOG_DEBUG(Service_NVDRV, "called");
-    IoctlBase(ctx, IoctlVersion::Version1);
+void NVDRV::Ioctl1(Kernel::HLERequestContext& ctx) {
+    IPC::RequestParser rp{ctx};
+    const auto fd = rp.Pop<DeviceFD>();
+    const auto command = rp.PopRaw<Ioctl>();
+    LOG_DEBUG(Service_NVDRV, "called fd={}, ioctl=0x{:08X}", fd, command.raw);
+
+    if (!is_initialized) {
+        ServiceError(ctx, NvResult::NotInitialized);
+        LOG_ERROR(Service_NVDRV, "NvServices is not initalized!");
+        return;
+    }
+
+    // Check device
+    std::vector<u8> output_buffer(ctx.GetWriteBufferSize(0));
+    const auto input_buffer = ctx.ReadBuffer(0);
+
+    const auto nv_result = nvdrv->Ioctl1(fd, command, input_buffer, output_buffer);
+
+    if (command.is_out != 0) {
+        ctx.WriteBuffer(output_buffer);
+    }
+
+    IPC::ResponseBuilder rb{ctx, 3};
+    rb.Push(RESULT_SUCCESS);
+    rb.PushEnum(nv_result);
 }
 
 void NVDRV::Ioctl2(Kernel::HLERequestContext& ctx) {
-    LOG_DEBUG(Service_NVDRV, "called");
-    IoctlBase(ctx, IoctlVersion::Version2);
+    IPC::RequestParser rp{ctx};
+    const auto fd = rp.Pop<DeviceFD>();
+    const auto command = rp.PopRaw<Ioctl>();
+    LOG_DEBUG(Service_NVDRV, "called fd={}, ioctl=0x{:08X}", fd, command.raw);
+
+    if (!is_initialized) {
+        ServiceError(ctx, NvResult::NotInitialized);
+        LOG_ERROR(Service_NVDRV, "NvServices is not initalized!");
+        return;
+    }
+
+    const auto input_buffer = ctx.ReadBuffer(0);
+    const auto input_inlined_buffer = ctx.ReadBuffer(1);
+    std::vector<u8> output_buffer(ctx.GetWriteBufferSize(0));
+
+    const auto nv_result =
+        nvdrv->Ioctl2(fd, command, input_buffer, input_inlined_buffer, output_buffer);
+
+    if (command.is_out != 0) {
+        ctx.WriteBuffer(output_buffer);
+    }
+
+    IPC::ResponseBuilder rb{ctx, 3};
+    rb.Push(RESULT_SUCCESS);
+    rb.PushEnum(nv_result);
 }
 
 void NVDRV::Ioctl3(Kernel::HLERequestContext& ctx) {
-    LOG_DEBUG(Service_NVDRV, "called");
-    IoctlBase(ctx, IoctlVersion::Version3);
+    IPC::RequestParser rp{ctx};
+    const auto fd = rp.Pop<DeviceFD>();
+    const auto command = rp.PopRaw<Ioctl>();
+    LOG_DEBUG(Service_NVDRV, "called fd={}, ioctl=0x{:08X}", fd, command.raw);
+
+    if (!is_initialized) {
+        ServiceError(ctx, NvResult::NotInitialized);
+        LOG_ERROR(Service_NVDRV, "NvServices is not initalized!");
+        return;
+    }
+
+    const auto input_buffer = ctx.ReadBuffer(0);
+    std::vector<u8> output_buffer(ctx.GetWriteBufferSize(0));
+    std::vector<u8> output_buffer_inline(ctx.GetWriteBufferSize(1));
+
+    const auto nv_result =
+        nvdrv->Ioctl3(fd, command, input_buffer, output_buffer, output_buffer_inline);
+
+    if (command.is_out != 0) {
+        ctx.WriteBuffer(output_buffer, 0);
+        ctx.WriteBuffer(output_buffer_inline, 1);
+    }
+
+    IPC::ResponseBuilder rb{ctx, 3};
+    rb.Push(RESULT_SUCCESS);
+    rb.PushEnum(nv_result);
 }
 
 void NVDRV::Close(Kernel::HLERequestContext& ctx) {
     LOG_DEBUG(Service_NVDRV, "called");
 
+    if (!is_initialized) {
+        ServiceError(ctx, NvResult::NotInitialized);
+        LOG_ERROR(Service_NVDRV, "NvServices is not initalized!");
+        return;
+    }
+
     IPC::RequestParser rp{ctx};
-    u32 fd = rp.Pop<u32>();
+    const auto fd = rp.Pop<DeviceFD>();
+    const auto result = nvdrv->Close(fd);
 
-    auto result = nvdrv->Close(fd);
-
-    IPC::ResponseBuilder rb{ctx, 2};
-    rb.Push(result);
+    IPC::ResponseBuilder rb{ctx, 3};
+    rb.Push(RESULT_SUCCESS);
+    rb.PushEnum(result);
 }
 
 void NVDRV::Initialize(Kernel::HLERequestContext& ctx) {
     LOG_WARNING(Service_NVDRV, "(STUBBED) called");
 
+    is_initialized = true;
+
     IPC::ResponseBuilder rb{ctx, 3};
     rb.Push(RESULT_SUCCESS);
-    rb.Push<u32>(0);
+    rb.PushEnum(NvResult::Success);
 }
 
 void NVDRV::QueryEvent(Kernel::HLERequestContext& ctx) {
     IPC::RequestParser rp{ctx};
-    u32 fd = rp.Pop<u32>();
-    // TODO(Blinkhawk): Figure the meaning of the flag at bit 16
-    u32 event_id = rp.Pop<u32>() & 0x000000FF;
+    const auto fd = rp.Pop<DeviceFD>();
+    const auto event_id = rp.Pop<u32>() & 0x00FF;
     LOG_WARNING(Service_NVDRV, "(STUBBED) called, fd={:X}, event_id={:X}", fd, event_id);
 
-    IPC::ResponseBuilder rb{ctx, 3, 1};
-    rb.Push(RESULT_SUCCESS);
+    if (!is_initialized) {
+        ServiceError(ctx, NvResult::NotInitialized);
+        LOG_ERROR(Service_NVDRV, "NvServices is not initalized!");
+        return;
+    }
+
+    const auto nv_result = nvdrv->VerifyFD(fd);
+    if (nv_result != NvResult::Success) {
+        LOG_ERROR(Service_NVDRV, "Invalid FD specified DeviceFD={}!", fd);
+        ServiceError(ctx, nv_result);
+        return;
+    }
+
     if (event_id < MaxNvEvents) {
+        IPC::ResponseBuilder rb{ctx, 3, 1};
+        rb.Push(RESULT_SUCCESS);
         auto event = nvdrv->GetEvent(event_id);
         event->Clear();
         rb.PushCopyObjects(event);
-        rb.Push<u32>(NvResult::Success);
+        rb.PushEnum(NvResult::Success);
     } else {
-        rb.Push<u32>(0);
-        rb.Push<u32>(NvResult::BadParameter);
+        IPC::ResponseBuilder rb{ctx, 3};
+        rb.Push(RESULT_SUCCESS);
+        rb.PushEnum(NvResult::BadParameter);
     }
 }
 
@@ -151,7 +197,7 @@ void NVDRV::SetAruid(Kernel::HLERequestContext& ctx) {
 
     IPC::ResponseBuilder rb{ctx, 3};
     rb.Push(RESULT_SUCCESS);
-    rb.Push<u32>(0);
+    rb.PushEnum(NvResult::Success);
 }
 
 void NVDRV::SetGraphicsFirmwareMemoryMarginEnabled(Kernel::HLERequestContext& ctx) {
@@ -164,8 +210,9 @@ void NVDRV::SetGraphicsFirmwareMemoryMarginEnabled(Kernel::HLERequestContext& ct
 void NVDRV::GetStatus(Kernel::HLERequestContext& ctx) {
     LOG_WARNING(Service_NVDRV, "(STUBBED) called");
 
-    IPC::ResponseBuilder rb{ctx, 2};
+    IPC::ResponseBuilder rb{ctx, 3};
     rb.Push(RESULT_SUCCESS);
+    rb.PushEnum(NvResult::Success);
 }
 
 void NVDRV::DumpGraphicsMemoryInfo(Kernel::HLERequestContext& ctx) {
@@ -181,7 +228,7 @@ NVDRV::NVDRV(std::shared_ptr<Module> nvdrv, const char* name)
     : ServiceFramework(name), nvdrv(std::move(nvdrv)) {
     static const FunctionInfo functions[] = {
         {0, &NVDRV::Open, "Open"},
-        {1, &NVDRV::Ioctl, "Ioctl"},
+        {1, &NVDRV::Ioctl1, "Ioctl"},
         {2, &NVDRV::Close, "Close"},
         {3, &NVDRV::Initialize, "Initialize"},
         {4, &NVDRV::QueryEvent, "QueryEvent"},

src/core/hle/service/nvdrv/interface.h

@@ -23,7 +23,7 @@ public:
 
 private:
     void Open(Kernel::HLERequestContext& ctx);
-    void Ioctl(Kernel::HLERequestContext& ctx);
+    void Ioctl1(Kernel::HLERequestContext& ctx);
     void Ioctl2(Kernel::HLERequestContext& ctx);
     void Ioctl3(Kernel::HLERequestContext& ctx);
     void Close(Kernel::HLERequestContext& ctx);
@@ -33,11 +33,13 @@ private:
     void SetGraphicsFirmwareMemoryMarginEnabled(Kernel::HLERequestContext& ctx);
     void GetStatus(Kernel::HLERequestContext& ctx);
     void DumpGraphicsMemoryInfo(Kernel::HLERequestContext& ctx);
-    void IoctlBase(Kernel::HLERequestContext& ctx, IoctlVersion version);
+
+    void ServiceError(Kernel::HLERequestContext& ctx, NvResult result);
 
     std::shared_ptr<Module> nvdrv;
 
     u64 pid{};
+    bool is_initialized{};
 };
 
 } // namespace Service::Nvidia

src/core/hle/service/nvdrv/nvdata.h

@@ -1,12 +1,16 @@
 #pragma once
 
 #include <array>
+#include "common/bit_field.h"
 #include "common/common_types.h"
 
 namespace Service::Nvidia {
 
 constexpr u32 MaxSyncPoints = 192;
 constexpr u32 MaxNvEvents = 64;
+using DeviceFD = s32;
+
+constexpr DeviceFD INVALID_NVDRV_FD = -1;
 
 struct Fence {
     s32 id;
@@ -20,11 +24,61 @@ struct MultiFence {
     std::array<Fence, 4> fences;
 };
 
-enum NvResult : u32 {
-    Success = 0,
-    BadParameter = 4,
-    Timeout = 5,
-    ResourceError = 15,
+enum class NvResult : u32 {
+    Success = 0x0,
+    NotImplemented = 0x1,
+    NotSupported = 0x2,
+    NotInitialized = 0x3,
+    BadParameter = 0x4,
+    Timeout = 0x5,
+    InsufficientMemory = 0x6,
+    ReadOnlyAttribute = 0x7,
+    InvalidState = 0x8,
+    InvalidAddress = 0x9,
+    InvalidSize = 0xA,
+    BadValue = 0xB,
+    AlreadyAllocated = 0xD,
+    Busy = 0xE,
+    ResourceError = 0xF,
+    CountMismatch = 0x10,
+    OverFlow = 0x11,
+    InsufficientTransferMemory = 0x1000,
+    InsufficientVideoMemory = 0x10000,
+    BadSurfaceColorScheme = 0x10001,
+    InvalidSurface = 0x10002,
+    SurfaceNotSupported = 0x10003,
+    DispInitFailed = 0x20000,
+    DispAlreadyAttached = 0x20001,
+    DispTooManyDisplays = 0x20002,
+    DispNoDisplaysAttached = 0x20003,
+    DispModeNotSupported = 0x20004,
+    DispNotFound = 0x20005,
+    DispAttachDissallowed = 0x20006,
+    DispTypeNotSupported = 0x20007,
+    DispAuthenticationFailed = 0x20008,
+    DispNotAttached = 0x20009,
+    DispSamePwrState = 0x2000A,
+    DispEdidFailure = 0x2000B,
+    DispDsiReadAckError = 0x2000C,
+    DispDsiReadInvalidResp = 0x2000D,
+    FileWriteFailed = 0x30000,
+    FileReadFailed = 0x30001,
+    EndOfFile = 0x30002,
+    FileOperationFailed = 0x30003,
+    DirOperationFailed = 0x30004,
+    EndOfDirList = 0x30005,
+    ConfigVarNotFound = 0x30006,
+    InvalidConfigVar = 0x30007,
+    LibraryNotFound = 0x30008,
+    SymbolNotFound = 0x30009,
+    MemoryMapFailed = 0x3000A,
+    IoctlFailed = 0x3000F,
+    AccessDenied = 0x30010,
+    DeviceNotFound = 0x30011,
+    KernelDriverNotFound = 0x30012,
+    FileNotFound = 0x30013,
+    PathAlreadyExists = 0x30014,
+    ModuleNotPresent = 0xA000E,
 };
 
 enum class EventState {
@@ -34,21 +88,13 @@ enum class EventState {
     Busy = 3,
 };
 
-enum class IoctlVersion : u32 {
-    Version1,
-    Version2,
-    Version3,
-};
-
-struct IoctlCtrl {
-    // First call done to the servioce for services that call itself again after a call.
-    bool fresh_call{true};
-    // Tells the Ioctl Wrapper that it must delay the IPC response and send the thread to sleep
-    bool must_delay{};
-    // Timeout for the delay
-    s64 timeout{};
-    // NV Event Id
-    s32 event_id{-1};
+union Ioctl {
+    u32_le raw;
+    BitField<0, 8, u32> cmd;
+    BitField<8, 8, u32> group;
+    BitField<16, 14, u32> length;
+    BitField<30, 1, u32> is_in;
+    BitField<31, 1, u32> is_out;
 };
 
 } // namespace Service::Nvidia

src/core/hle/service/nvdrv/nvdrv.cpp

@@ -62,36 +62,101 @@ Module::Module(Core::System& system) : syncpoint_manager{system.GPU()} {
 
 Module::~Module() = default;
 
-u32 Module::Open(const std::string& device_name) {
-    ASSERT_MSG(devices.find(device_name) != devices.end(), "Trying to open unknown device {}",
-               device_name);
+NvResult Module::VerifyFD(DeviceFD fd) const {
+    if (fd < 0) {
+        LOG_ERROR(Service_NVDRV, "Invalid DeviceFD={}!", fd);
+        return NvResult::InvalidState;
+    }
+
+    if (open_files.find(fd) == open_files.end()) {
+        LOG_ERROR(Service_NVDRV, "Could not find DeviceFD={}!", fd);
+        return NvResult::NotImplemented;
+    }
+
+    return NvResult::Success;
+}
+
+DeviceFD Module::Open(const std::string& device_name) {
+    if (devices.find(device_name) == devices.end()) {
+        LOG_ERROR(Service_NVDRV, "Trying to open unknown device {}", device_name);
+        return INVALID_NVDRV_FD;
+    }
 
     auto device = devices[device_name];
-    const u32 fd = next_fd++;
+    const DeviceFD fd = next_fd++;
 
     open_files[fd] = std::move(device);
 
     return fd;
 }
 
-u32 Module::Ioctl(u32 fd, u32 command, const std::vector<u8>& input, const std::vector<u8>& input2,
-                  std::vector<u8>& output, std::vector<u8>& output2, IoctlCtrl& ctrl,
-                  IoctlVersion version) {
-    auto itr = open_files.find(fd);
-    ASSERT_MSG(itr != open_files.end(), "Tried to talk to an invalid device");
+NvResult Module::Ioctl1(DeviceFD fd, Ioctl command, const std::vector<u8>& input,
+                        std::vector<u8>& output) {
+    if (fd < 0) {
+        LOG_ERROR(Service_NVDRV, "Invalid DeviceFD={}!", fd);
+        return NvResult::InvalidState;
+    }
 
-    auto& device = itr->second;
-    return device->ioctl({command}, input, input2, output, output2, ctrl, version);
+    const auto itr = open_files.find(fd);
+
+    if (itr == open_files.end()) {
+        LOG_ERROR(Service_NVDRV, "Could not find DeviceFD={}!", fd);
+        return NvResult::NotImplemented;
+    }
+
+    return itr->second->Ioctl1(command, input, output);
 }
 
-ResultCode Module::Close(u32 fd) {
-    auto itr = open_files.find(fd);
-    ASSERT_MSG(itr != open_files.end(), "Tried to talk to an invalid device");
+NvResult Module::Ioctl2(DeviceFD fd, Ioctl command, const std::vector<u8>& input,
+                        const std::vector<u8>& inline_input, std::vector<u8>& output) {
+    if (fd < 0) {
+        LOG_ERROR(Service_NVDRV, "Invalid DeviceFD={}!", fd);
+        return NvResult::InvalidState;
+    }
+
+    const auto itr = open_files.find(fd);
+
+    if (itr == open_files.end()) {
+        LOG_ERROR(Service_NVDRV, "Could not find DeviceFD={}!", fd);
+        return NvResult::NotImplemented;
+    }
+
+    return itr->second->Ioctl2(command, input, inline_input, output);
+}
+
+NvResult Module::Ioctl3(DeviceFD fd, Ioctl command, const std::vector<u8>& input,
+                        std::vector<u8>& output, std::vector<u8>& inline_output) {
+    if (fd < 0) {
+        LOG_ERROR(Service_NVDRV, "Invalid DeviceFD={}!", fd);
+        return NvResult::InvalidState;
+    }
+
+    const auto itr = open_files.find(fd);
+
+    if (itr == open_files.end()) {
+        LOG_ERROR(Service_NVDRV, "Could not find DeviceFD={}!", fd);
+        return NvResult::NotImplemented;
+    }
+
+    return itr->second->Ioctl3(command, input, output, inline_output);
+}
+
+NvResult Module::Close(DeviceFD fd) {
+    if (fd < 0) {
+        LOG_ERROR(Service_NVDRV, "Invalid DeviceFD={}!", fd);
+        return NvResult::InvalidState;
+    }
+
+    const auto itr = open_files.find(fd);
+
+    if (itr == open_files.end()) {
+        LOG_ERROR(Service_NVDRV, "Could not find DeviceFD={}!", fd);
+        return NvResult::NotImplemented;
+    }
 
     open_files.erase(itr);
 
-    // TODO(flerovium): return correct result code if operation failed.
-    return RESULT_SUCCESS;
+    return NvResult::Success;
 }
 
 void Module::SignalSyncpt(const u32 syncpoint_id, const u32 value) {

src/core/hle/service/nvdrv/nvdrv.h

@@ -112,14 +112,23 @@ public:
         return std::static_pointer_cast<T>(itr->second);
     }
 
+    NvResult VerifyFD(DeviceFD fd) const;
+
     /// Opens a device node and returns a file descriptor to it.
-    u32 Open(const std::string& device_name);
+    DeviceFD Open(const std::string& device_name);
+
     /// Sends an ioctl command to the specified file descriptor.
-    u32 Ioctl(u32 fd, u32 command, const std::vector<u8>& input, const std::vector<u8>& input2,
-              std::vector<u8>& output, std::vector<u8>& output2, IoctlCtrl& ctrl,
-              IoctlVersion version);
+    NvResult Ioctl1(DeviceFD fd, Ioctl command, const std::vector<u8>& input,
+                    std::vector<u8>& output);
+
+    NvResult Ioctl2(DeviceFD fd, Ioctl command, const std::vector<u8>& input,
+                    const std::vector<u8>& inline_input, std::vector<u8>& output);
+
+    NvResult Ioctl3(DeviceFD fd, Ioctl command, const std::vector<u8>& input,
+                    std::vector<u8>& output, std::vector<u8>& inline_output);
+
     /// Closes a device file descriptor and returns operation success.
-    ResultCode Close(u32 fd);
+    NvResult Close(DeviceFD fd);
 
     void SignalSyncpt(const u32 syncpoint_id, const u32 value);
 
@@ -132,10 +141,10 @@ private:
     SyncpointManager syncpoint_manager;
 
     /// Id to use for the next open file descriptor.
-    u32 next_fd = 1;
+    DeviceFD next_fd = 1;
 
     /// Mapping of file descriptors to the devices they reference.
-    std::unordered_map<u32, std::shared_ptr<Devices::nvdevice>> open_files;
+    std::unordered_map<DeviceFD, std::shared_ptr<Devices::nvdevice>> open_files;
 
     /// Mapping of device node names to their implementation.
     std::unordered_map<std::string, std::shared_ptr<Devices::nvdevice>> devices;

src/core/hle/service/olsc/olsc.cpp

@@ -0,0 +1,69 @@
+// Copyright 2020 yuzu emulator team
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include "core/hle/ipc_helpers.h"
+#include "core/hle/kernel/hle_ipc.h"
+#include "core/hle/service/olsc/olsc.h"
+#include "core/hle/service/service.h"
+#include "core/hle/service/sm/sm.h"
+
+namespace Service::OLSC {
+
+class OLSC final : public ServiceFramework<OLSC> {
+public:
+    explicit OLSC() : ServiceFramework{"olsc:u"} {
+        // clang-format off
+        static const FunctionInfo functions[] = {
+            {0, &OLSC::Initialize, "Initialize"},
+            {10, nullptr, "VerifySaveDataBackupLicenseAsync"},
+            {13, nullptr, "GetSaveDataBackupSetting"},
+            {14, &OLSC::SetSaveDataBackupSettingEnabled, "SetSaveDataBackupSettingEnabled"},
+            {15, nullptr, "SetCustomData"},
+            {16, nullptr, "DeleteSaveDataBackupSetting"},
+            {18, nullptr, "GetSaveDataBackupInfoCache"},
+            {19, nullptr, "UpdateSaveDataBackupInfoCacheAsync"},
+            {22, nullptr, "DeleteSaveDataBackupAsync"},
+            {25, nullptr, "ListDownloadableSaveDataBackupInfoAsync"},
+            {26, nullptr, "DownloadSaveDataBackupAsync"},
+            {9010, nullptr, "VerifySaveDataBackupLicenseAsyncForDebug"},
+            {9013, nullptr, "GetSaveDataBackupSettingForDebug"},
+            {9014, nullptr, "SetSaveDataBackupSettingEnabledForDebug"},
+            {9015, nullptr, "SetCustomDataForDebug"},
+            {9016, nullptr, "DeleteSaveDataBackupSettingForDebug"},
+            {9018, nullptr, "GetSaveDataBackupInfoCacheForDebug"},
+            {9019, nullptr, "UpdateSaveDataBackupInfoCacheAsyncForDebug"},
+            {9022, nullptr, "DeleteSaveDataBackupAsyncForDebug"},
+            {9025, nullptr, "ListDownloadableSaveDataBackupInfoAsyncForDebug"},
+            {9026, nullptr, "DownloadSaveDataBackupAsyncForDebug"},
+        };
+        // clang-format on
+
+        RegisterHandlers(functions);
+    }
+
+private:
+    void Initialize(Kernel::HLERequestContext& ctx) {
+        LOG_WARNING(Service_OLSC, "(STUBBED) called");
+
+        initialized = true;
+
+        IPC::ResponseBuilder rb{ctx, 2};
+        rb.Push(RESULT_SUCCESS);
+    }
+
+    void SetSaveDataBackupSettingEnabled(Kernel::HLERequestContext& ctx) {
+        LOG_WARNING(Service_OLSC, "(STUBBED) called");
+
+        IPC::ResponseBuilder rb{ctx, 2};
+        rb.Push(RESULT_SUCCESS);
+    }
+
+    bool initialized{};
+};
+
+void InstallInterfaces(SM::ServiceManager& service_manager) {
+    std::make_shared<OLSC>()->InstallAsService(service_manager);
+}
+
+} // namespace Service::OLSC

src/core/hle/service/olsc/olsc.h

@@ -0,0 +1,16 @@
+// Copyright 2020 yuzu emulator team
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+namespace Service::SM {
+class ServiceManager;
+}
+
+namespace Service::OLSC {
+
+/// Registers all SSL services with the specified service manager.
+void InstallInterfaces(SM::ServiceManager& service_manager);
+
+} // namespace Service::OLSC

src/core/hle/service/service.cpp

@@ -51,6 +51,7 @@
 #include "core/hle/service/ns/ns.h"
 #include "core/hle/service/nvdrv/nvdrv.h"
 #include "core/hle/service/nvflinger/nvflinger.h"
+#include "core/hle/service/olsc/olsc.h"
 #include "core/hle/service/pcie/pcie.h"
 #include "core/hle/service/pctl/module.h"
 #include "core/hle/service/pcv/pcv.h"
@@ -187,17 +188,19 @@ ResultCode ServiceFrameworkBase::HandleSyncRequest(Kernel::HLERequestContext& co
     return RESULT_SUCCESS;
 }
 
-/// Initialize ServiceManager
-void Init(std::shared_ptr<SM::ServiceManager>& sm, Core::System& system) {
+/// Initialize Services
+Services::Services(std::shared_ptr<SM::ServiceManager>& sm, Core::System& system)
+    : nv_flinger{std::make_unique<NVFlinger::NVFlinger>(system)} {
+
     // NVFlinger needs to be accessed by several services like Vi and AppletOE so we instantiate it
     // here and pass it into the respective InstallInterfaces functions.
-    auto nv_flinger = std::make_shared<NVFlinger::NVFlinger>(system);
+
     system.GetFileSystemController().CreateFactories(*system.GetFilesystem(), false);
 
     SM::ServiceManager::InstallInterfaces(sm, system.Kernel());
 
     Account::InstallInterfaces(system);
-    AM::InstallInterfaces(*sm, nv_flinger, system);
+    AM::InstallInterfaces(*sm, *nv_flinger, system);
     AOC::InstallInterfaces(*sm, system);
     APM::InstallInterfaces(system);
     Audio::InstallInterfaces(*sm, system);
@@ -231,6 +234,7 @@ void Init(std::shared_ptr<SM::ServiceManager>& sm, Core::System& system) {
     NPNS::InstallInterfaces(*sm);
     NS::InstallInterfaces(*sm, system);
     Nvidia::InstallInterfaces(*sm, *nv_flinger, system);
+    OLSC::InstallInterfaces(*sm);
     PCIe::InstallInterfaces(*sm);
     PCTL::InstallInterfaces(*sm);
     PCV::InstallInterfaces(*sm);
@@ -244,14 +248,10 @@ void Init(std::shared_ptr<SM::ServiceManager>& sm, Core::System& system) {
     SSL::InstallInterfaces(*sm);
     Time::InstallInterfaces(system);
     USB::InstallInterfaces(*sm);
-    VI::InstallInterfaces(*sm, nv_flinger);
+    VI::InstallInterfaces(*sm, *nv_flinger);
     WLAN::InstallInterfaces(*sm);
-
-    LOG_DEBUG(Service, "initialized OK");
 }
 
-/// Shutdown ServiceManager
-void Shutdown() {
-    LOG_DEBUG(Service, "shutdown OK");
-}
+Services::~Services() = default;
+
 } // namespace Service

src/core/hle/service/service.h

@@ -29,7 +29,11 @@ namespace Service {
 
 namespace FileSystem {
 class FileSystemController;
-} // namespace FileSystem
+}
+
+namespace NVFlinger {
+class NVFlinger;
+}
 
 namespace SM {
 class ServiceManager;
@@ -181,10 +185,17 @@ private:
     }
 };
 
-/// Initialize ServiceManager
-void Init(std::shared_ptr<SM::ServiceManager>& sm, Core::System& system);
+/**
+ * The purpose of this class is to own any objects that need to be shared across the other service
+ * implementations. Will be torn down when the global system instance is shutdown.
+ */
+class Services final {
+public:
+    explicit Services(std::shared_ptr<SM::ServiceManager>& sm, Core::System& system);
+    ~Services();
 
-/// Shutdown ServiceManager
-void Shutdown();
+private:
+    std::unique_ptr<NVFlinger::NVFlinger> nv_flinger;
+};
 
 } // namespace Service

src/core/hle/service/vi/vi.cpp

@@ -492,8 +492,8 @@ private:
 
 class IHOSBinderDriver final : public ServiceFramework<IHOSBinderDriver> {
 public:
-    explicit IHOSBinderDriver(std::shared_ptr<NVFlinger::NVFlinger> nv_flinger)
-        : ServiceFramework("IHOSBinderDriver"), nv_flinger(std::move(nv_flinger)) {
+    explicit IHOSBinderDriver(NVFlinger::NVFlinger& nv_flinger)
+        : ServiceFramework("IHOSBinderDriver"), nv_flinger(nv_flinger) {
         static const FunctionInfo functions[] = {
             {0, &IHOSBinderDriver::TransactParcel, "TransactParcel"},
             {1, &IHOSBinderDriver::AdjustRefcount, "AdjustRefcount"},
@@ -530,8 +530,8 @@ private:
         LOG_DEBUG(Service_VI, "called. id=0x{:08X} transaction={:X}, flags=0x{:08X}", id,
                   static_cast<u32>(transaction), flags);
 
-        const auto guard = nv_flinger->Lock();
-        auto& buffer_queue = nv_flinger->FindBufferQueue(id);
+        const auto guard = nv_flinger.Lock();
+        auto& buffer_queue = nv_flinger.FindBufferQueue(id);
 
         switch (transaction) {
         case TransactionId::Connect: {
@@ -570,8 +570,8 @@ private:
                     [=, this](std::shared_ptr<Kernel::Thread> thread,
                               Kernel::HLERequestContext& ctx, Kernel::ThreadWakeupReason reason) {
                         // Repeat TransactParcel DequeueBuffer when a buffer is available
-                        const auto guard = nv_flinger->Lock();
-                        auto& buffer_queue = nv_flinger->FindBufferQueue(id);
+                        const auto guard = nv_flinger.Lock();
+                        auto& buffer_queue = nv_flinger.FindBufferQueue(id);
                         auto result = buffer_queue.DequeueBuffer(width, height);
                         ASSERT_MSG(result != std::nullopt, "Could not dequeue buffer.");
 
@@ -676,7 +676,7 @@ private:
 
         LOG_WARNING(Service_VI, "(STUBBED) called id={}, unknown={:08X}", id, unknown);
 
-        const auto& buffer_queue = nv_flinger->FindBufferQueue(id);
+        const auto& buffer_queue = nv_flinger.FindBufferQueue(id);
 
         // TODO(Subv): Find out what this actually is.
         IPC::ResponseBuilder rb{ctx, 2, 1};
@@ -684,8 +684,8 @@ private:
         rb.PushCopyObjects(buffer_queue.GetBufferWaitEvent());
     }
 
-    std::shared_ptr<NVFlinger::NVFlinger> nv_flinger;
-}; // namespace VI
+    NVFlinger::NVFlinger& nv_flinger;
+};
 
 class ISystemDisplayService final : public ServiceFramework<ISystemDisplayService> {
 public:
@@ -790,8 +790,8 @@ private:
 
 class IManagerDisplayService final : public ServiceFramework<IManagerDisplayService> {
 public:
-    explicit IManagerDisplayService(std::shared_ptr<NVFlinger::NVFlinger> nv_flinger)
-        : ServiceFramework("IManagerDisplayService"), nv_flinger(std::move(nv_flinger)) {
+    explicit IManagerDisplayService(NVFlinger::NVFlinger& nv_flinger)
+        : ServiceFramework("IManagerDisplayService"), nv_flinger(nv_flinger) {
         // clang-format off
         static const FunctionInfo functions[] = {
             {200, nullptr, "AllocateProcessHeapBlock"},
@@ -893,7 +893,7 @@ private:
                     "(STUBBED) called. unknown=0x{:08X}, display=0x{:016X}, aruid=0x{:016X}",
                     unknown, display, aruid);
 
-        const auto layer_id = nv_flinger->CreateLayer(display);
+        const auto layer_id = nv_flinger.CreateLayer(display);
         if (!layer_id) {
             LOG_ERROR(Service_VI, "Layer not found! display=0x{:016X}", display);
             IPC::ResponseBuilder rb{ctx, 2};
@@ -930,12 +930,12 @@ private:
         rb.Push(RESULT_SUCCESS);
     }
 
-    std::shared_ptr<NVFlinger::NVFlinger> nv_flinger;
+    NVFlinger::NVFlinger& nv_flinger;
 };
 
 class IApplicationDisplayService final : public ServiceFramework<IApplicationDisplayService> {
 public:
-    explicit IApplicationDisplayService(std::shared_ptr<NVFlinger::NVFlinger> nv_flinger);
+    explicit IApplicationDisplayService(NVFlinger::NVFlinger& nv_flinger);
 
 private:
     enum class ConvertedScaleMode : u64 {
@@ -1010,7 +1010,7 @@ private:
 
         ASSERT_MSG(name == "Default", "Non-default displays aren't supported yet");
 
-        const auto display_id = nv_flinger->OpenDisplay(name);
+        const auto display_id = nv_flinger.OpenDisplay(name);
         if (!display_id) {
             LOG_ERROR(Service_VI, "Display not found! display_name={}", name);
             IPC::ResponseBuilder rb{ctx, 2};
@@ -1110,7 +1110,7 @@ private:
 
         LOG_DEBUG(Service_VI, "called. layer_id=0x{:016X}, aruid=0x{:016X}", layer_id, aruid);
 
-        const auto display_id = nv_flinger->OpenDisplay(display_name);
+        const auto display_id = nv_flinger.OpenDisplay(display_name);
         if (!display_id) {
             LOG_ERROR(Service_VI, "Layer not found! layer_id={}", layer_id);
             IPC::ResponseBuilder rb{ctx, 2};
@@ -1118,7 +1118,7 @@ private:
             return;
         }
 
-        const auto buffer_queue_id = nv_flinger->FindBufferQueueId(*display_id, layer_id);
+        const auto buffer_queue_id = nv_flinger.FindBufferQueueId(*display_id, layer_id);
         if (!buffer_queue_id) {
             LOG_ERROR(Service_VI, "Buffer queue id not found! display_id={}", *display_id);
             IPC::ResponseBuilder rb{ctx, 2};
@@ -1138,7 +1138,7 @@ private:
 
         LOG_DEBUG(Service_VI, "called. layer_id=0x{:016X}", layer_id);
 
-        nv_flinger->CloseLayer(layer_id);
+        nv_flinger.CloseLayer(layer_id);
 
         IPC::ResponseBuilder rb{ctx, 2};
         rb.Push(RESULT_SUCCESS);
@@ -1154,7 +1154,7 @@ private:
 
         // TODO(Subv): What's the difference between a Stray and a Managed layer?
 
-        const auto layer_id = nv_flinger->CreateLayer(display_id);
+        const auto layer_id = nv_flinger.CreateLayer(display_id);
         if (!layer_id) {
             LOG_ERROR(Service_VI, "Layer not found! layer_id={}", *layer_id);
             IPC::ResponseBuilder rb{ctx, 2};
@@ -1162,7 +1162,7 @@ private:
             return;
         }
 
-        const auto buffer_queue_id = nv_flinger->FindBufferQueueId(display_id, *layer_id);
+        const auto buffer_queue_id = nv_flinger.FindBufferQueueId(display_id, *layer_id);
         if (!buffer_queue_id) {
             LOG_ERROR(Service_VI, "Buffer queue id not found! display_id={}", display_id);
             IPC::ResponseBuilder rb{ctx, 2};
@@ -1193,7 +1193,7 @@ private:
 
         LOG_WARNING(Service_VI, "(STUBBED) called. display_id=0x{:016X}", display_id);
 
-        const auto vsync_event = nv_flinger->FindVsyncEvent(display_id);
+        const auto vsync_event = nv_flinger.FindVsyncEvent(display_id);
         if (!vsync_event) {
             LOG_ERROR(Service_VI, "Vsync event was not found for display_id={}", display_id);
             IPC::ResponseBuilder rb{ctx, 2};
@@ -1258,12 +1258,11 @@ private:
         }
     }
 
-    std::shared_ptr<NVFlinger::NVFlinger> nv_flinger;
+    NVFlinger::NVFlinger& nv_flinger;
 };
 
-IApplicationDisplayService::IApplicationDisplayService(
-    std::shared_ptr<NVFlinger::NVFlinger> nv_flinger)
-    : ServiceFramework("IApplicationDisplayService"), nv_flinger(std::move(nv_flinger)) {
+IApplicationDisplayService::IApplicationDisplayService(NVFlinger::NVFlinger& nv_flinger)
+    : ServiceFramework("IApplicationDisplayService"), nv_flinger(nv_flinger) {
     static const FunctionInfo functions[] = {
         {100, &IApplicationDisplayService::GetRelayService, "GetRelayService"},
         {101, &IApplicationDisplayService::GetSystemDisplayService, "GetSystemDisplayService"},
@@ -1304,8 +1303,7 @@ static bool IsValidServiceAccess(Permission permission, Policy policy) {
     return false;
 }
 
-void detail::GetDisplayServiceImpl(Kernel::HLERequestContext& ctx,
-                                   std::shared_ptr<NVFlinger::NVFlinger> nv_flinger,
+void detail::GetDisplayServiceImpl(Kernel::HLERequestContext& ctx, NVFlinger::NVFlinger& nv_flinger,
                                    Permission permission) {
     IPC::RequestParser rp{ctx};
     const auto policy = rp.PopEnum<Policy>();
@@ -1319,11 +1317,10 @@ void detail::GetDisplayServiceImpl(Kernel::HLERequestContext& ctx,
 
     IPC::ResponseBuilder rb{ctx, 2, 0, 1};
     rb.Push(RESULT_SUCCESS);
-    rb.PushIpcInterface<IApplicationDisplayService>(std::move(nv_flinger));
+    rb.PushIpcInterface<IApplicationDisplayService>(nv_flinger);
 }
 
-void InstallInterfaces(SM::ServiceManager& service_manager,
-                       std::shared_ptr<NVFlinger::NVFlinger> nv_flinger) {
+void InstallInterfaces(SM::ServiceManager& service_manager, NVFlinger::NVFlinger& nv_flinger) {
     std::make_shared<VI_M>(nv_flinger)->InstallAsService(service_manager);
     std::make_shared<VI_S>(nv_flinger)->InstallAsService(service_manager);
     std::make_shared<VI_U>(nv_flinger)->InstallAsService(service_manager);

src/core/hle/service/vi/vi.h

@@ -43,12 +43,11 @@ enum class Policy {
 };
 
 namespace detail {
-void GetDisplayServiceImpl(Kernel::HLERequestContext& ctx,
-                           std::shared_ptr<NVFlinger::NVFlinger> nv_flinger, Permission permission);
+void GetDisplayServiceImpl(Kernel::HLERequestContext& ctx, NVFlinger::NVFlinger& nv_flinger,
+                           Permission permission);
 } // namespace detail
 
 /// Registers all VI services with the specified service manager.
-void InstallInterfaces(SM::ServiceManager& service_manager,
-                       std::shared_ptr<NVFlinger::NVFlinger> nv_flinger);
+void InstallInterfaces(SM::ServiceManager& service_manager, NVFlinger::NVFlinger& nv_flinger);
 
 } // namespace Service::VI

src/core/hle/service/vi/vi_m.cpp

@@ -8,8 +8,7 @@
 
 namespace Service::VI {
 
-VI_M::VI_M(std::shared_ptr<NVFlinger::NVFlinger> nv_flinger)
-    : ServiceFramework{"vi:m"}, nv_flinger{std::move(nv_flinger)} {
+VI_M::VI_M(NVFlinger::NVFlinger& nv_flinger) : ServiceFramework{"vi:m"}, nv_flinger{nv_flinger} {
     static const FunctionInfo functions[] = {
         {2, &VI_M::GetDisplayService, "GetDisplayService"},
         {3, nullptr, "GetDisplayServiceWithProxyNameExchange"},

src/core/hle/service/vi/vi_m.h

@@ -18,13 +18,13 @@ namespace Service::VI {
 
 class VI_M final : public ServiceFramework<VI_M> {
 public:
-    explicit VI_M(std::shared_ptr<NVFlinger::NVFlinger> nv_flinger);
+    explicit VI_M(NVFlinger::NVFlinger& nv_flinger);
     ~VI_M() override;
 
 private:
     void GetDisplayService(Kernel::HLERequestContext& ctx);
 
-    std::shared_ptr<NVFlinger::NVFlinger> nv_flinger;
+    NVFlinger::NVFlinger& nv_flinger;
 };
 
 } // namespace Service::VI