Fix license headers

Signed-off-by: lizzie <lizzie@eden-emu.dev>

src/audio_core/adsp/adsp.cpp

@@ -1,4 +1,4 @@
-// SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
+// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
 // SPDX-License-Identifier: GPL-3.0-or-later
 
 // SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
@@ -19,6 +19,11 @@ ADSP::ADSP(Core::System& system, Sink::Sink& sink) {
     }
 }
 
+void ADSP::Shutdown() {
+    audio_renderer->Stop();
+    opus_decoder->Shutdown();
+}
+
 AudioRenderer::AudioRenderer& ADSP::AudioRenderer() {
     return *audio_renderer;
 }

src/audio_core/adsp/adsp.h

@@ -1,4 +1,4 @@
-// SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
+// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
 // SPDX-License-Identifier: GPL-3.0-or-later
 
 // SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
@@ -45,6 +45,7 @@ public:
     explicit ADSP(Core::System& system, Sink::Sink& sink);
     ~ADSP() = default;
 
+    void Shutdown();
     AudioRenderer::AudioRenderer& AudioRenderer();
     OpusDecoder::OpusDecoder& OpusDecoder();
 

src/audio_core/adsp/apps/audio_renderer/audio_renderer.cpp

@@ -34,26 +34,19 @@ void AudioRenderer::Start() {
 
     mailbox.Send(Direction::DSP, Message::InitializeOK);
     if (mailbox.Receive(Direction::Host) != Message::InitializeOK) {
-        LOG_ERROR(Service_Audio, "Host Audio Renderer -- Failed to receive shutdown "
-                                 "message response from ADSP!");
-        return;
+        LOG_ERROR(Service_Audio, "Host Audio Renderer -- Failed to receive shutdown message response from ADSP!");
     }
-    running = true;
 }
 
 void AudioRenderer::Stop() {
-    if (!running) {
-        return;
+    if (main_thread.joinable()) {
+        main_thread.request_stop();
+        mailbox.Send(Direction::DSP, Message::Shutdown);
+        if (mailbox.Receive(Direction::Host, main_thread.get_stop_token()) != Message::Shutdown) {
+            LOG_ERROR(Service_Audio, "Host Audio Renderer -- Failed to receive shutdown message response from ADSP!");
+        }
+        main_thread.join();
     }
-
-    mailbox.Send(Direction::DSP, Message::Shutdown);
-    if (mailbox.Receive(Direction::Host) != Message::Shutdown) {
-        LOG_ERROR(Service_Audio, "Host Audio Renderer -- Failed to receive shutdown "
-                                 "message response from ADSP!");
-    }
-    main_thread.request_stop();
-    main_thread.join();
-
     for (auto& stream : streams) {
         if (stream) {
             stream->Stop();
@@ -61,7 +54,6 @@ void AudioRenderer::Stop() {
             stream = nullptr;
         }
     }
-    running = false;
 }
 
 void AudioRenderer::Signal() {
@@ -69,13 +61,12 @@ void AudioRenderer::Signal() {
     Send(Direction::DSP, Message::Render);
 }
 
-void AudioRenderer::Wait() {
-    auto msg = Receive(Direction::Host);
+void AudioRenderer::Wait(std::stop_token stop_token) {
+    auto msg = mailbox.Receive(Direction::Host, stop_token);
     if (msg != Message::RenderResponse) {
         LOG_ERROR(Service_Audio,
-                  "Did not receive the expected render response from the AudioRenderer! Expected "
-                  "{}, got {}",
-                  Message::RenderResponse, msg);
+            "Did not receive the expected render response from the AudioRenderer! Expected "
+            "{}, got {}", Message::RenderResponse, msg);
     }
     PostDSPClearCommandBuffer();
 }
@@ -147,7 +138,9 @@ void AudioRenderer::Main(std::stop_token stop_token) {
     constexpr u64 max_process_time{2'304'000ULL};
 
     while (!stop_token.stop_requested()) {
-        auto msg{mailbox.Receive(Direction::DSP)};
+        auto msg = mailbox.Receive(Direction::DSP, stop_token);
+        if (stop_token.stop_requested())
+            break;
         switch (msg) {
         case Message::Shutdown:
             mailbox.Send(Direction::Host, Message::Shutdown);

src/audio_core/adsp/apps/audio_renderer/audio_renderer.h

@@ -63,13 +63,15 @@ public:
      */
     void Start();
 
+    void NotifyShutdown();
+
     /**
      * Stop the AudioRenderer.
      */
     void Stop();
 
     void Signal();
-    void Wait();
+    void Wait(std::stop_token stop_token);
 
     void Send(Direction dir, u32 message);
     u32 Receive(Direction dir);
@@ -102,8 +104,6 @@ private:
     Mailbox mailbox;
     /// Main thread
     std::jthread main_thread{};
-    /// The current state
-    std::atomic<bool> running{};
     /// Shared memory of input command buffers, set by host, read by DSP
     std::array<CommandBuffer, MaxRendererSessions> command_buffers{};
     /// The command lists to process

src/audio_core/adsp/apps/opus/opus_decoder.cpp

@@ -41,19 +41,16 @@ OpusDecoder::OpusDecoder(Core::System& system_) : system{system_} {
 }
 
 OpusDecoder::~OpusDecoder() {
-    if (!running) {
+    if (main_thread.joinable()) {
+        // Shutdown the thread
+        Send(Direction::DSP, Message::Shutdown);
+        main_thread.request_stop();
+        auto msg = Receive(Direction::Host, main_thread.get_stop_token());
+        ASSERT_MSG(msg == Message::ShutdownOK, "Expected Opus shutdown code {}, got {}", Message::ShutdownOK, msg);
+        main_thread.join();
+    } else {
         init_thread.request_stop();
-        return;
     }
-
-    // Shutdown the thread
-    Send(Direction::DSP, Message::Shutdown);
-    auto msg = Receive(Direction::Host);
-    ASSERT_MSG(msg == Message::ShutdownOK, "Expected Opus shutdown code {}, got {}",
-               Message::ShutdownOK, msg);
-    main_thread.request_stop();
-    main_thread.join();
-    running = false;
 }
 
 void OpusDecoder::Send(Direction dir, u32 message) {
@@ -73,7 +70,6 @@ void OpusDecoder::Init(std::stop_token stop_token) {
         return;
     }
     main_thread = std::jthread([this](std::stop_token st) { Main(st); });
-    running = true;
     Send(Direction::Host, Message::StartOK);
 }
 
@@ -82,12 +78,15 @@ void OpusDecoder::Main(std::stop_token stop_token) {
 
     while (!stop_token.stop_requested()) {
         auto msg = Receive(Direction::DSP, stop_token);
+        if (stop_token.stop_requested())
+            break;
+
         switch (msg) {
-        case Shutdown:
+        case Message::Shutdown:
             Send(Direction::Host, Message::ShutdownOK);
             return;
 
-        case GetWorkBufferSize: {
+        case Message::GetWorkBufferSize: {
             auto channel_count = static_cast<s32>(shared_memory->host_send_data[0]);
 
             ASSERT(IsValidChannelCount(channel_count));
@@ -96,7 +95,7 @@ void OpusDecoder::Main(std::stop_token stop_token) {
             Send(Direction::Host, Message::GetWorkBufferSizeOK);
         } break;
 
-        case InitializeDecodeObject: {
+        case Message::InitializeDecodeObject: {
             auto buffer = shared_memory->host_send_data[0];
             auto buffer_size = shared_memory->host_send_data[1];
             auto sample_rate = static_cast<s32>(shared_memory->host_send_data[2]);
@@ -113,7 +112,7 @@ void OpusDecoder::Main(std::stop_token stop_token) {
             Send(Direction::Host, Message::InitializeDecodeObjectOK);
         } break;
 
-        case ShutdownDecodeObject: {
+        case Message::ShutdownDecodeObject: {
             auto buffer = shared_memory->host_send_data[0];
             [[maybe_unused]] auto buffer_size = shared_memory->host_send_data[1];
 
@@ -123,7 +122,7 @@ void OpusDecoder::Main(std::stop_token stop_token) {
             Send(Direction::Host, Message::ShutdownDecodeObjectOK);
         } break;
 
-        case DecodeInterleaved: {
+        case Message::DecodeInterleaved: {
             auto start_time = system.CoreTiming().GetGlobalTimeUs();
 
             auto buffer = shared_memory->host_send_data[0];
@@ -161,19 +160,19 @@ void OpusDecoder::Main(std::stop_token stop_token) {
             Send(Direction::Host, Message::DecodeInterleavedOK);
         } break;
 
-        case MapMemory: {
+        case Message::MapMemory: {
             [[maybe_unused]] auto buffer = shared_memory->host_send_data[0];
             [[maybe_unused]] auto buffer_size = shared_memory->host_send_data[1];
             Send(Direction::Host, Message::MapMemoryOK);
         } break;
 
-        case UnmapMemory: {
+        case Message::UnmapMemory: {
             [[maybe_unused]] auto buffer = shared_memory->host_send_data[0];
             [[maybe_unused]] auto buffer_size = shared_memory->host_send_data[1];
             Send(Direction::Host, Message::UnmapMemoryOK);
         } break;
 
-        case GetWorkBufferSizeForMultiStream: {
+        case Message::GetWorkBufferSizeForMultiStream: {
             auto total_stream_count = static_cast<s32>(shared_memory->host_send_data[0]);
             auto stereo_stream_count = static_cast<s32>(shared_memory->host_send_data[1]);
 
@@ -184,7 +183,7 @@ void OpusDecoder::Main(std::stop_token stop_token) {
             Send(Direction::Host, Message::GetWorkBufferSizeForMultiStreamOK);
         } break;
 
-        case InitializeMultiStreamDecodeObject: {
+        case Message::InitializeMultiStreamDecodeObject: {
             auto buffer = shared_memory->host_send_data[0];
             auto buffer_size = shared_memory->host_send_data[1];
             auto sample_rate = static_cast<s32>(shared_memory->host_send_data[2]);
@@ -211,7 +210,7 @@ void OpusDecoder::Main(std::stop_token stop_token) {
             Send(Direction::Host, Message::InitializeMultiStreamDecodeObjectOK);
         } break;
 
-        case ShutdownMultiStreamDecodeObject: {
+        case Message::ShutdownMultiStreamDecodeObject: {
             auto buffer = shared_memory->host_send_data[0];
             [[maybe_unused]] auto buffer_size = shared_memory->host_send_data[1];
 
@@ -221,7 +220,7 @@ void OpusDecoder::Main(std::stop_token stop_token) {
             Send(Direction::Host, Message::ShutdownMultiStreamDecodeObjectOK);
         } break;
 
-        case DecodeInterleavedForMultiStream: {
+        case Message::DecodeInterleavedForMultiStream: {
             auto start_time = system.CoreTiming().GetGlobalTimeUs();
 
             auto buffer = shared_memory->host_send_data[0];
@@ -266,4 +265,15 @@ void OpusDecoder::Main(std::stop_token stop_token) {
     }
 }
 
+void OpusDecoder::Shutdown() {
+    if (init_thread.joinable()) {
+        init_thread.request_stop();
+        init_thread.join(); //must explicitly wait for init to join
+    }
+    if (main_thread.joinable()) {
+        main_thread.request_stop();
+        Send(Direction::DSP, Message::Shutdown);
+    }
+}
+
 } // namespace AudioCore::ADSP::OpusDecoder

src/audio_core/adsp/apps/opus/opus_decoder.h

@@ -57,7 +57,7 @@ public:
     ~OpusDecoder();
 
     bool IsRunning() const noexcept {
-        return running;
+        return main_thread.joinable();
     }
 
     void Send(Direction dir, u32 message);
@@ -67,6 +67,8 @@ public:
         shared_memory = &shared_memory_;
     }
 
+    void Shutdown();
+
 private:
     /**
      * Initializing thread, launched at audio_core boot to avoid blocking the main emu boot thread.
@@ -85,8 +87,6 @@ private:
     std::jthread init_thread{};
     /// Main thread
     std::jthread main_thread{};
-    /// The current state
-    bool running{};
     /// Structure shared with the host, input data set by the host before sending a mailbox message,
     /// and the responses are written back by the OpusDecoder.
     SharedMemory* shared_memory{};

src/audio_core/audio_core.cpp

@@ -33,6 +33,7 @@ void AudioCore::CreateSinks() {
 
 void AudioCore::Shutdown() {
     audio_manager->Shutdown();
+    adsp->Shutdown();
 }
 
 AudioManager& AudioCore::GetAudioManager() {

src/audio_core/audio_manager.cpp

@@ -17,7 +17,7 @@ AudioManager::AudioManager() {
         std::unique_lock l{events.GetAudioEventLock()};
         events.ClearEvents();
         while (!stop_token.stop_requested()) {
-            const auto timed_out{events.Wait(l, std::chrono::seconds(2))};
+            const auto timed_out = events.Wait(l, std::chrono::seconds{2});
             if (events.CheckAudioEventSet(Event::Type::Max)) {
                 break;
             }
@@ -35,9 +35,9 @@ AudioManager::AudioManager() {
 }
 
 void AudioManager::Shutdown() {
-    events.SetAudioEvent(Event::Type::Max, true);
     if (thread.joinable()) {
         thread.request_stop();
+        events.SetAudioEvent(Event::Type::Max, true);
         thread.join();
     }
 }

src/audio_core/audio_manager.h

@@ -39,9 +39,7 @@ class AudioManager {
 public:
     explicit AudioManager();
 
-    /**
-     * Shutdown the audio manager.
-     */
+    /// @brief Shutdown the audio manager.
     void Shutdown();
 
     /**

src/audio_core/renderer/sink/circular_buffer_sink_info.cpp

@@ -1,3 +1,6 @@
+// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
 // SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
@@ -35,7 +38,7 @@ void CircularBufferSinkInfo::Update(BehaviorInfo::ErrorInfo& error_info, OutStat
     auto current_params{reinterpret_cast<CircularBufferInParameter*>(parameter.data())};
     auto current_state{reinterpret_cast<CircularBufferState*>(state.data())};
 
-    if (in_use == buffer_params->in_use && !buffer_unmapped) {
+    if (in_use == bool(buffer_params->in_use) && !buffer_unmapped) {
         error_info.error_code = ResultSuccess;
         error_info.address = CpuAddr(0);
         out_status.writeOffset = current_state->last_pos2;

src/audio_core/renderer/sink/sink_info_base.h

@@ -1,4 +1,4 @@
-// SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
+// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
 // SPDX-License-Identifier: GPL-3.0-or-later
 
 // SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
@@ -31,10 +31,10 @@ public:
     };
 
     struct DeviceInParameter {
-        /* 0x000 */ char name[0x100];
+        /* 0x000 */ u8 name[0x100];
         /* 0x100 */ u32 input_count;
         /* 0x104 */ std::array<s8, MaxChannels> inputs;
-        /* 0x10A */ char unk10A[0x1];
+        /* 0x10A */ u8 unk10A[0x1];
         /* 0x10B */ bool downmix_enabled;
         /* 0x10C */ std::array<f32, 4> downmix_coeff;
     };
@@ -43,7 +43,7 @@ public:
     struct DeviceState {
         /* 0x00 */ UpsamplerInfo* upsampler_info;
         /* 0x08 */ std::array<Common::FixedPoint<16, 16>, 4> downmix_coeff;
-        /* 0x18 */ char unk18[0x18];
+        /* 0x18 */ u8 unk18[0x18];
     };
     static_assert(sizeof(DeviceState) == 0x30, "DeviceState has the wrong size!");
 
@@ -55,8 +55,8 @@ public:
         /* 0x14 */ u32 previous_pos;
         /* 0x18 */ SampleFormat format;
         /* 0x1C */ std::array<s8, MaxChannels> inputs;
-        /* 0x22 */ bool in_use;
-        /* 0x23 */ char unk23[0x5];
+        /* 0x22 */ u8 in_use;
+        /* 0x23 */ u8 unk23[0x5];
     };
     static_assert(sizeof(CircularBufferInParameter) == 0x28,
                   "CircularBufferInParameter has the wrong size!");
@@ -65,16 +65,16 @@ public:
         /* 0x00 */ u32 last_pos2;
         /* 0x04 */ s32 current_pos;
         /* 0x08 */ u32 last_pos;
-        /* 0x0C */ char unk0C[0x4];
+        /* 0x0C */ u8 unk0C[0x4];
         /* 0x10 */ AddressInfo address_info;
     };
     static_assert(sizeof(CircularBufferState) == 0x30, "CircularBufferState has the wrong size!");
 
     struct InParameter {
         /* 0x000 */ Type type;
-        /* 0x001 */ bool in_use;
+        /* 0x001 */ u8 in_use;
         /* 0x004 */ u32 node_id;
-        /* 0x008 */ char unk08[0x18];
+        /* 0x008 */ u8 unk08[0x18];
         union {
             /* 0x020 */ DeviceInParameter device;
             /* 0x020 */ CircularBufferInParameter circular_buffer;
@@ -84,7 +84,7 @@ public:
 
     struct OutStatus {
         /* 0x00 */ u32 writeOffset;
-        /* 0x04 */ char unk04[0x1C];
+        /* 0x04 */ u8 unk04[0x1C];
     }; // size == 0x20
     static_assert(sizeof(OutStatus) == 0x20, "SinkInfoBase::OutStatus has the wrong size!");
 
@@ -162,19 +162,18 @@ public:
     u8* GetParameter();
 
 protected:
-    /// Type of this sink
-    Type type{Type::Invalid};
-    /// Is this sink in use?
-    bool in_use{};
-    /// Is this sink's buffer unmapped? Circular only
-    bool buffer_unmapped{};
-    /// Node id for this sink
-    u32 node_id{};
     /// State buffer for this sink
     std::array<u8, (std::max)(sizeof(DeviceState), sizeof(CircularBufferState))> state{};
     /// Parameter buffer for this sink
-    std::array<u8, (std::max)(sizeof(DeviceInParameter), sizeof(CircularBufferInParameter))>
-        parameter{};
+    std::array<u8, (std::max)(sizeof(DeviceInParameter), sizeof(CircularBufferInParameter))> parameter{};
+    /// Type of this sink
+    Type type{Type::Invalid};
+    /// Node id for this sink
+    u32 node_id{};
+    /// Is this sink in use?
+    bool in_use : 1 = false;
+    /// Is this sink's buffer unmapped? Circular only
+    bool buffer_unmapped : 1 = false;
 };
 
 } // namespace AudioCore::Renderer

src/audio_core/renderer/system.cpp

@@ -100,8 +100,9 @@ u64 System::GetWorkBufferSize(const AudioRendererParameterInternal& params) {
 }
 
 System::System(Core::System& core_, Kernel::KEvent* adsp_rendered_event_)
-    : core{core_}, audio_renderer{core.AudioCore().ADSP().AudioRenderer()},
-      adsp_rendered_event{adsp_rendered_event_} {}
+    : core{core_}
+    , adsp_rendered_event{adsp_rendered_event_}
+{}
 
 Result System::Initialize(const AudioRendererParameterInternal& params,
                           Kernel::KTransferMemory* transfer_memory, u64 transfer_memory_size,
@@ -406,7 +407,7 @@ void System::Finalize() {
         return;
     }
 
-    if (active) {
+    if (IsActive()) {
         Stop();
     }
 
@@ -433,14 +434,12 @@ void System::Start() {
     std::scoped_lock l{lock};
     frames_elapsed = 0;
     state = State::Started;
-    active = true;
 }
 
 void System::Stop() {
     {
         std::scoped_lock l{lock};
         state = State::Stopped;
-        active = false;
     }
 
     if (execution_mode == ExecutionMode::Auto) {
@@ -480,7 +479,7 @@ Result System::Update(std::span<const u8> input, std::span<u8> performance, std:
         return result;
     }
 
-    result = info_updater.UpdateEffects(effect_context, active, memory_pool_workbuffer,
+    result = info_updater.UpdateEffects(effect_context, IsActive(), memory_pool_workbuffer,
                                         memory_pool_count);
     if (result.IsError()) {
         LOG_ERROR(Service_Audio, "Failed to update Effects!");
@@ -582,16 +581,16 @@ u32 System::GetRenderingDevice() const {
 }
 
 bool System::IsActive() const {
-    return active;
+    return state == State::Started;
 }
 
 void System::SendCommandToDsp() {
     std::scoped_lock l{lock};
 
     if (initialized) {
-        if (active) {
+        if (IsActive()) {
             terminate_event.Reset();
-            const auto remaining_command_count{audio_renderer.GetRemainCommandCount(session_id)};
+            const auto remaining_command_count = core.AudioCore().ADSP().AudioRenderer().GetRemainCommandCount(session_id);
             u64 command_size{0};
 
             if (remaining_command_count) {
@@ -618,16 +617,17 @@ void System::SendCommandToDsp() {
             auto time_limit{
                 static_cast<u64>((time_limit_percent / 100) * 2'880'000.0 *
                                  (static_cast<f32>(render_time_limit_percent) / 100.0f))};
-            audio_renderer.SetCommandBuffer(session_id, translated_addr, command_size, time_limit,
-                                            applet_resource_user_id, process_handle,
-                                            reset_command_buffers);
+            core.AudioCore().ADSP().AudioRenderer().SetCommandBuffer(session_id,
+                translated_addr, command_size,
+                time_limit, applet_resource_user_id,
+                process_handle, reset_command_buffers);
             reset_command_buffers = false;
             command_buffer_size = command_size;
             if (remaining_command_count == 0) {
                 adsp_rendered_event->Signal(core.Kernel());
             }
         } else {
-            audio_renderer.ClearRemainCommandCount(session_id);
+            core.AudioCore().ADSP().AudioRenderer().ClearRemainCommandCount(session_id);
             terminate_event.Set();
         }
     }
@@ -738,7 +738,7 @@ u64 System::GenerateCommand(std::span<u8> in_command_buffer,
     const auto end_time{core.CoreTiming().GetGlobalTimeNs().count()};
     total_ticks_elapsed += end_time - start_time;
     num_command_lists_generated++;
-    render_start_tick = audio_renderer.GetRenderingStartTick(session_id);
+    render_start_tick = core.AudioCore().ADSP().AudioRenderer().GetRenderingStartTick(session_id);
     frames_elapsed++;
 
     return command_buffer.size;

src/audio_core/renderer/system.h

@@ -1,3 +1,6 @@
+// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
 // SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
@@ -219,8 +222,6 @@ public:
 private:
     /// Core system
     Core::System& core;
-    /// Reference to the ADSP's AudioRenderer for communication
-    ::AudioCore::ADSP::AudioRenderer::AudioRenderer& audio_renderer;
     /// Is this system initialized?
     bool initialized{};
     /// Is this system currently active?

src/audio_core/renderer/system_manager.cpp

@@ -1,4 +1,4 @@
-// SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
+// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
 // SPDX-License-Identifier: GPL-3.0-or-later
 
 // SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
@@ -11,73 +11,70 @@
 #include "audio_core/renderer/system_manager.h"
 #include "common/thread.h"
 #include "core/core.h"
+#include "core/hle/kernel/kernel.h"
+#include "core/hle/kernel/k_scheduler.h"
 #include "core/core_timing.h"
 
 namespace AudioCore::Renderer {
 
 SystemManager::SystemManager(Core::System& core_)
-    : core{core_}, audio_renderer{core.AudioCore().ADSP().AudioRenderer()} {}
+    : core{core_}
+{
+}
 
 SystemManager::~SystemManager() {
     Stop();
 }
 
 void SystemManager::InitializeUnsafe() {
-    if (!active) {
-        active = true;
-        audio_renderer.Start();
-        thread = std::jthread([this](std::stop_token stop_token) {
-            Common::SetCurrentThreadName("AudioRenderSystemManager");
-            Common::SetCurrentThreadPriority(Common::ThreadPriority::High);
-            while (active && !stop_token.stop_requested()) {
+    if (!thread.joinable()) {
+        core.AudioCore().ADSP().AudioRenderer().Start();
+        thread = core.Kernel().RunOnHostCoreThread("AudioRenderSystemManager", [this]() {
+            auto& audio_renderer = core.AudioCore().ADSP().AudioRenderer();
+            auto const stop_token = thread.get_stop_token();
+            while (!stop_token.stop_requested()) {
                 {
-                    std::scoped_lock l{mutex1};
+                    std::scoped_lock lk{mutex};
                     for (auto system : systems)
                         system->SendCommandToDsp();
                 }
                 audio_renderer.Signal();
-                audio_renderer.Wait();
+                audio_renderer.Wait(stop_token);
             }
         });
     }
 }
 
 void SystemManager::Stop() {
-    if (active) {
-        active = false;
+    core.AudioCore().ADSP().AudioRenderer().Stop();
+    if (thread.joinable()) {
         thread.request_stop();
         thread.join();
-        audio_renderer.Stop();
     }
 }
 
 bool SystemManager::Add(System& system_) {
-    std::scoped_lock l2{mutex2};
-    if (systems.size() + 1 > MaxRendererSessions) {
+    std::scoped_lock lk{mutex};
+    if (systems.size() >= MaxRendererSessions) {
         LOG_ERROR(Service_Audio, "Maximum AudioRenderer Systems active, cannot add more!");
         return false;
     }
-    {
-        std::scoped_lock l{mutex1};
-        if (systems.empty())
-            InitializeUnsafe();
-    }
     systems.push_back(&system_);
+    if (!systems.empty()) {
+        InitializeUnsafe();
+    }
     return true;
 }
 
 bool SystemManager::Remove(System& system_) {
-    std::scoped_lock l2{mutex2};
-    {
-        std::scoped_lock l{mutex1};
-        if (systems.remove(&system_) == 0) {
-            LOG_ERROR(Service_Audio, "Failed to remove a render system, it was not found in the list!");
-            return false;
-        }
+    std::scoped_lock lk{mutex};
+    if (systems.remove(&system_) == 0) {
+        LOG_ERROR(Service_Audio, "Failed to remove a render system, it was not found in the list!");
+        return false;
     }
-
-    if (systems.empty())
+    if (systems.empty()) {
         Stop();
+    }
     return true;
 }
 

src/audio_core/renderer/system_manager.h

@@ -1,4 +1,4 @@
-// SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
+// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
 // SPDX-License-Identifier: GPL-3.0-or-later
 
 // SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
@@ -75,14 +75,8 @@ private:
     std::list<System*> systems{};
     /// Main worker thread for generating command lists
     std::jthread thread;
-    /// Mutex for the systems
-    std::mutex mutex1{};
-    /// Mutex for adding/removing systems
-    std::mutex mutex2{};
-    /// Is the system manager thread active?
-    std::atomic<bool> active{};
-    /// Reference to the ADSP's AudioRenderer for communication
-    ::AudioCore::ADSP::AudioRenderer::AudioRenderer& audio_renderer;
+    /// Mutex for the reading and adding/removing systems
+    std::mutex mutex{};
 };
 
 } // namespace AudioCore::Renderer

src/common/CMakeLists.txt

@@ -62,6 +62,7 @@ add_library(
     fs/fs_util.h
     fs/path_util.cpp
     fs/path_util.h
+    hash.h
     heap_tracker.cpp
     heap_tracker.h
     hex_util.cpp

src/common/android/id_cache.cpp

@@ -12,94 +12,93 @@
 #include "common/android/multiplayer/multiplayer.h"
 #include <network/network.h>
 
-static struct {
-    JavaVM *java_vm;
-    jclass native_library_class;
-    jclass disk_cache_progress_class;
-    jclass load_callback_stage_class;
-    jclass game_dir_class;
-    jmethodID game_dir_constructor;
-    jmethodID exit_emulation_activity;
-    jmethodID disk_cache_load_progress;
-    jmethodID on_emulation_started;
-    jmethodID on_emulation_stopped;
-    jmethodID on_program_changed;
-    jmethodID copy_to_storage;
-    jmethodID file_exists;
-    jmethodID file_extension;
 
-    jclass game_class;
-    jmethodID game_constructor;
-    jfieldID game_title_field;
-    jfieldID game_path_field;
-    jfieldID game_program_id_field;
-    jfieldID game_developer_field;
-    jfieldID game_version_field;
-    jfieldID game_is_homebrew_field;
+static JavaVM *s_java_vm;
+static jclass s_native_library_class;
+static jclass s_disk_cache_progress_class;
+static jclass s_load_callback_stage_class;
+static jclass s_game_dir_class;
+static jmethodID s_game_dir_constructor;
+static jmethodID s_exit_emulation_activity;
+static jmethodID s_disk_cache_load_progress;
+static jmethodID s_on_emulation_started;
+static jmethodID s_on_emulation_stopped;
+static jmethodID s_on_program_changed;
+static jmethodID s_copy_to_storage;
+static jmethodID s_file_exists;
+static jmethodID s_file_extension;
 
-    jclass string_class;
-    jclass pair_class;
-    jmethodID pair_constructor;
-    jfieldID pair_first_field;
-    jfieldID pair_second_field;
+static jclass s_game_class;
+static jmethodID s_game_constructor;
+static jfieldID s_game_title_field;
+static jfieldID s_game_path_field;
+static jfieldID s_game_program_id_field;
+static jfieldID s_game_developer_field;
+static jfieldID s_game_version_field;
+static jfieldID s_game_is_homebrew_field;
 
-    jclass overlay_control_data_class;
-    jmethodID overlay_control_data_constructor;
-    jfieldID overlay_control_data_id_field;
-    jfieldID overlay_control_data_enabled_field;
-    jfieldID overlay_control_data_individual_scale_field;
-    jfieldID overlay_control_data_landscape_position_field;
-    jfieldID overlay_control_data_portrait_position_field;
-    jfieldID overlay_control_data_foldable_position_field;
+static jclass s_string_class;
+static jclass s_pair_class;
+static jmethodID s_pair_constructor;
+static jfieldID s_pair_first_field;
+static jfieldID s_pair_second_field;
 
-    jclass patch_class;
-    jmethodID patch_constructor;
-    jfieldID patch_enabled_field;
-    jfieldID patch_name_field;
-    jfieldID patch_version_field;
-    jfieldID patch_type_field;
-    jfieldID patch_program_id_field;
-    jfieldID patch_title_id_field;
+static jclass s_overlay_control_data_class;
+static jmethodID s_overlay_control_data_constructor;
+static jfieldID s_overlay_control_data_id_field;
+static jfieldID s_overlay_control_data_enabled_field;
+static jfieldID s_overlay_control_data_individual_scale_field;
+static jfieldID s_overlay_control_data_landscape_position_field;
+static jfieldID s_overlay_control_data_portrait_position_field;
+static jfieldID s_overlay_control_data_foldable_position_field;
 
-    jclass double_class;
-    jmethodID double_constructor;
-    jmethodID double_value_method;
+static jclass s_patch_class;
+static jmethodID s_patch_constructor;
+static jfieldID s_patch_enabled_field;
+static jfieldID s_patch_name_field;
+static jfieldID s_patch_version_field;
+static jfieldID s_patch_type_field;
+static jfieldID s_patch_program_id_field;
+static jfieldID s_patch_title_id_field;
 
-    jclass integer_class;
-    jmethodID integer_constructor;
-    jmethodID integer_value_method;
+static jclass s_double_class;
+static jmethodID s_double_constructor;
+static jmethodID s_double_value_method;
 
-    jclass boolean_class;
-    jmethodID boolean_constructor;
-    jmethodID boolean_value_method;
+static jclass s_integer_class;
+static jmethodID s_integer_constructor;
+static jmethodID s_integer_value_method;
 
-    jclass player_input_class;
-    jmethodID player_input_constructor;
-    jfieldID player_input_connected_field;
-    jfieldID player_input_buttons_field;
-    jfieldID player_input_analogs_field;
-    jfieldID player_input_motions_field;
-    jfieldID player_input_vibration_enabled_field;
-    jfieldID player_input_vibration_strength_field;
-    jfieldID player_input_body_color_left_field;
-    jfieldID player_input_body_color_right_field;
-    jfieldID player_input_button_color_left_field;
-    jfieldID player_input_button_color_right_field;
-    jfieldID player_input_profile_name_field;
-    jfieldID player_input_use_system_vibrator_field;
+static jclass s_boolean_class;
+static jmethodID s_boolean_constructor;
+static jmethodID s_boolean_value_method;
 
-    jclass yuzu_input_device_interface;
-    jmethodID yuzu_input_device_get_name;
-    jmethodID yuzu_input_device_get_guid;
-    jmethodID yuzu_input_device_get_port;
-    jmethodID yuzu_input_device_get_supports_vibration;
-    jmethodID yuzu_input_device_vibrate;
-    jmethodID yuzu_input_device_get_axes;
-    jmethodID yuzu_input_device_has_keys;
+static jclass s_player_input_class;
+static jmethodID s_player_input_constructor;
+static jfieldID s_player_input_connected_field;
+static jfieldID s_player_input_buttons_field;
+static jfieldID s_player_input_analogs_field;
+static jfieldID s_player_input_motions_field;
+static jfieldID s_player_input_vibration_enabled_field;
+static jfieldID s_player_input_vibration_strength_field;
+static jfieldID s_player_input_body_color_left_field;
+static jfieldID s_player_input_body_color_right_field;
+static jfieldID s_player_input_button_color_left_field;
+static jfieldID s_player_input_button_color_right_field;
+static jfieldID s_player_input_profile_name_field;
+static jfieldID s_player_input_use_system_vibrator_field;
 
-    jmethodID add_netplay_message;
-    jmethodID clear_chat;
-} state;
+static jclass s_yuzu_input_device_interface;
+static jmethodID s_yuzu_input_device_get_name;
+static jmethodID s_yuzu_input_device_get_guid;
+static jmethodID s_yuzu_input_device_get_port;
+static jmethodID s_yuzu_input_device_get_supports_vibration;
+static jmethodID s_yuzu_input_device_vibrate;
+static jmethodID s_yuzu_input_device_get_axes;
+static jmethodID s_yuzu_input_device_has_keys;
+
+static jmethodID s_add_netplay_message;
+static jmethodID s_clear_chat;
 
 static constexpr jint JNI_VERSION = JNI_VERSION_1_6;
 
@@ -107,14 +106,14 @@ namespace Common::Android {
     JNIEnv *GetEnvForThread() {
         thread_local static struct OwnedEnv {
             OwnedEnv() {
-                status = state.java_vm->GetEnv(reinterpret_cast<void **>(&env), JNI_VERSION_1_6);
+                status = s_java_vm->GetEnv(reinterpret_cast<void **>(&env), JNI_VERSION_1_6);
                 if (status == JNI_EDETACHED)
-                    state.java_vm->AttachCurrentThread(&env, nullptr);
+                    s_java_vm->AttachCurrentThread(&env, nullptr);
             }
 
             ~OwnedEnv() {
                 if (status == JNI_EDETACHED)
-                    state.java_vm->DetachCurrentThread();
+                    s_java_vm->DetachCurrentThread();
             }
 
             int status;
@@ -124,303 +123,303 @@ namespace Common::Android {
     }
 
     jclass GetNativeLibraryClass() {
-        return state.native_library_class;
+        return s_native_library_class;
     }
 
     jclass GetDiskCacheProgressClass() {
-        return state.disk_cache_progress_class;
+        return s_disk_cache_progress_class;
     }
 
     jclass GetDiskCacheLoadCallbackStageClass() {
-        return state.load_callback_stage_class;
+        return s_load_callback_stage_class;
     }
 
     jclass GetGameDirClass() {
-        return state.game_dir_class;
+        return s_game_dir_class;
     }
 
     jmethodID GetGameDirConstructor() {
-        return state.game_dir_constructor;
+        return s_game_dir_constructor;
     }
 
     jmethodID GetExitEmulationActivity() {
-        return state.exit_emulation_activity;
+        return s_exit_emulation_activity;
     }
 
     jmethodID GetDiskCacheLoadProgress() {
-        return state.disk_cache_load_progress;
+        return s_disk_cache_load_progress;
     }
 
     jmethodID GetCopyToStorage() {
-        return state.copy_to_storage;
+        return s_copy_to_storage;
     }
 
     jmethodID GetFileExists() {
-        return state.file_exists;
+        return s_file_exists;
     }
 
     jmethodID GetFileExtension() {
-        return state.file_extension;
+        return s_file_extension;
     }
 
     jmethodID GetOnEmulationStarted() {
-        return state.on_emulation_started;
+        return s_on_emulation_started;
     }
 
     jmethodID GetOnEmulationStopped() {
-        return state.on_emulation_stopped;
+        return s_on_emulation_stopped;
     }
 
     jmethodID GetOnProgramChanged() {
-        return state.on_program_changed;
+        return s_on_program_changed;
     }
 
     jclass GetGameClass() {
-        return state.game_class;
+        return s_game_class;
     }
 
     jmethodID GetGameConstructor() {
-        return state.game_constructor;
+        return s_game_constructor;
     }
 
     jfieldID GetGameTitleField() {
-        return state.game_title_field;
+        return s_game_title_field;
     }
 
     jfieldID GetGamePathField() {
-        return state.game_path_field;
+        return s_game_path_field;
     }
 
     jfieldID GetGameProgramIdField() {
-        return state.game_program_id_field;
+        return s_game_program_id_field;
     }
 
     jfieldID GetGameDeveloperField() {
-        return state.game_developer_field;
+        return s_game_developer_field;
     }
 
     jfieldID GetGameVersionField() {
-        return state.game_version_field;
+        return s_game_version_field;
     }
 
     jfieldID GetGameIsHomebrewField() {
-        return state.game_is_homebrew_field;
+        return s_game_is_homebrew_field;
     }
 
     jclass GetStringClass() {
-        return state.string_class;
+        return s_string_class;
     }
 
     jclass GetPairClass() {
-        return state.pair_class;
+        return s_pair_class;
     }
 
     jmethodID GetPairConstructor() {
-        return state.pair_constructor;
+        return s_pair_constructor;
     }
 
     jfieldID GetPairFirstField() {
-        return state.pair_first_field;
+        return s_pair_first_field;
     }
 
     jfieldID GetPairSecondField() {
-        return state.pair_second_field;
+        return s_pair_second_field;
     }
 
     jclass GetOverlayControlDataClass() {
-        return state.overlay_control_data_class;
+        return s_overlay_control_data_class;
     }
 
     jmethodID GetOverlayControlDataConstructor() {
-        return state.overlay_control_data_constructor;
+        return s_overlay_control_data_constructor;
     }
 
     jfieldID GetOverlayControlDataIdField() {
-        return state.overlay_control_data_id_field;
+        return s_overlay_control_data_id_field;
     }
 
     jfieldID GetOverlayControlDataEnabledField() {
-        return state.overlay_control_data_enabled_field;
+        return s_overlay_control_data_enabled_field;
     }
 
     jfieldID GetOverlayControlDataIndividualScaleField() {
-        return state.overlay_control_data_individual_scale_field;
+        return s_overlay_control_data_individual_scale_field;
     }
 
     jfieldID GetOverlayControlDataLandscapePositionField() {
-        return state.overlay_control_data_landscape_position_field;
+        return s_overlay_control_data_landscape_position_field;
     }
 
     jfieldID GetOverlayControlDataPortraitPositionField() {
-        return state.overlay_control_data_portrait_position_field;
+        return s_overlay_control_data_portrait_position_field;
     }
 
     jfieldID GetOverlayControlDataFoldablePositionField() {
-        return state.overlay_control_data_foldable_position_field;
+        return s_overlay_control_data_foldable_position_field;
     }
 
     jclass GetPatchClass() {
-        return state.patch_class;
+        return s_patch_class;
     }
 
     jmethodID GetPatchConstructor() {
-        return state.patch_constructor;
+        return s_patch_constructor;
     }
 
     jfieldID GetPatchEnabledField() {
-        return state.patch_enabled_field;
+        return s_patch_enabled_field;
     }
 
     jfieldID GetPatchNameField() {
-        return state.patch_name_field;
+        return s_patch_name_field;
     }
 
     jfieldID GetPatchVersionField() {
-        return state.patch_version_field;
+        return s_patch_version_field;
     }
 
     jfieldID GetPatchTypeField() {
-        return state.patch_type_field;
+        return s_patch_type_field;
     }
 
     jfieldID GetPatchProgramIdField() {
-        return state.patch_program_id_field;
+        return s_patch_program_id_field;
     }
 
     jfieldID GetPatchTitleIdField() {
-        return state.patch_title_id_field;
+        return s_patch_title_id_field;
     }
 
     jclass GetDoubleClass() {
-        return state.double_class;
+        return s_double_class;
     }
 
     jmethodID GetDoubleConstructor() {
-        return state.double_constructor;
+        return s_double_constructor;
     }
 
     jmethodID GetDoubleValueMethod() {
-        return state.double_value_method;
+        return s_double_value_method;
     }
 
     jclass GetIntegerClass() {
-        return state.integer_class;
+        return s_integer_class;
     }
 
     jmethodID GetIntegerConstructor() {
-        return state.integer_constructor;
+        return s_integer_constructor;
     }
 
     jmethodID GetIntegerValueMethod() {
-        return state.integer_value_method;
+        return s_integer_value_method;
     }
 
     jclass GetBooleanClass() {
-        return state.boolean_class;
+        return s_boolean_class;
     }
 
     jmethodID GetBooleanConstructor() {
-        return state.boolean_constructor;
+        return s_boolean_constructor;
     }
 
     jmethodID GetBooleanValueMethod() {
-        return state.boolean_value_method;
+        return s_boolean_value_method;
     }
 
     jclass GetPlayerInputClass() {
-        return state.player_input_class;
+        return s_player_input_class;
     }
 
     jmethodID GetPlayerInputConstructor() {
-        return state.player_input_constructor;
+        return s_player_input_constructor;
     }
 
     jfieldID GetPlayerInputConnectedField() {
-        return state.player_input_connected_field;
+        return s_player_input_connected_field;
     }
 
     jfieldID GetPlayerInputButtonsField() {
-        return state.player_input_buttons_field;
+        return s_player_input_buttons_field;
     }
 
     jfieldID GetPlayerInputAnalogsField() {
-        return state.player_input_analogs_field;
+        return s_player_input_analogs_field;
     }
 
     jfieldID GetPlayerInputMotionsField() {
-        return state.player_input_motions_field;
+        return s_player_input_motions_field;
     }
 
     jfieldID GetPlayerInputVibrationEnabledField() {
-        return state.player_input_vibration_enabled_field;
+        return s_player_input_vibration_enabled_field;
     }
 
     jfieldID GetPlayerInputVibrationStrengthField() {
-        return state.player_input_vibration_strength_field;
+        return s_player_input_vibration_strength_field;
     }
 
     jfieldID GetPlayerInputBodyColorLeftField() {
-        return state.player_input_body_color_left_field;
+        return s_player_input_body_color_left_field;
     }
 
     jfieldID GetPlayerInputBodyColorRightField() {
-        return state.player_input_body_color_right_field;
+        return s_player_input_body_color_right_field;
     }
 
     jfieldID GetPlayerInputButtonColorLeftField() {
-        return state.player_input_button_color_left_field;
+        return s_player_input_button_color_left_field;
     }
 
     jfieldID GetPlayerInputButtonColorRightField() {
-        return state.player_input_button_color_right_field;
+        return s_player_input_button_color_right_field;
     }
 
     jfieldID GetPlayerInputProfileNameField() {
-        return state.player_input_profile_name_field;
+        return s_player_input_profile_name_field;
     }
 
     jfieldID GetPlayerInputUseSystemVibratorField() {
-        return state.player_input_use_system_vibrator_field;
+        return s_player_input_use_system_vibrator_field;
     }
 
     jclass GetYuzuInputDeviceInterface() {
-        return state.yuzu_input_device_interface;
+        return s_yuzu_input_device_interface;
     }
 
     jmethodID GetYuzuDeviceGetName() {
-        return state.yuzu_input_device_get_name;
+        return s_yuzu_input_device_get_name;
     }
 
     jmethodID GetYuzuDeviceGetGUID() {
-        return state.yuzu_input_device_get_guid;
+        return s_yuzu_input_device_get_guid;
     }
 
     jmethodID GetYuzuDeviceGetPort() {
-        return state.yuzu_input_device_get_port;
+        return s_yuzu_input_device_get_port;
     }
 
     jmethodID GetYuzuDeviceGetSupportsVibration() {
-        return state.yuzu_input_device_get_supports_vibration;
+        return s_yuzu_input_device_get_supports_vibration;
     }
 
     jmethodID GetYuzuDeviceVibrate() {
-        return state.yuzu_input_device_vibrate;
+        return s_yuzu_input_device_vibrate;
     }
 
     jmethodID GetYuzuDeviceGetAxes() {
-        return state.yuzu_input_device_get_axes;
+        return s_yuzu_input_device_get_axes;
     }
 
     jmethodID GetYuzuDeviceHasKeys() {
-        return state.yuzu_input_device_has_keys;
+        return s_yuzu_input_device_has_keys;
     }
 
     jmethodID GetAddNetPlayMessage() {
-        return state.add_netplay_message;
+        return s_add_netplay_message;
     }
 
     jmethodID ClearChat() {
-        return state.clear_chat;
+        return s_clear_chat;
     }
 
 #ifdef __cplusplus
@@ -437,20 +436,20 @@ namespace Common::Android {
 
         // UnInitialize Android Storage
         Common::FS::Android::UnRegisterCallbacks();
-        env->DeleteGlobalRef(state.native_library_class);
-        env->DeleteGlobalRef(state.disk_cache_progress_class);
-        env->DeleteGlobalRef(state.load_callback_stage_class);
-        env->DeleteGlobalRef(state.game_dir_class);
-        env->DeleteGlobalRef(state.game_class);
-        env->DeleteGlobalRef(state.string_class);
-        env->DeleteGlobalRef(state.pair_class);
-        env->DeleteGlobalRef(state.overlay_control_data_class);
-        env->DeleteGlobalRef(state.patch_class);
-        env->DeleteGlobalRef(state.double_class);
-        env->DeleteGlobalRef(state.integer_class);
-        env->DeleteGlobalRef(state.boolean_class);
-        env->DeleteGlobalRef(state.player_input_class);
-        env->DeleteGlobalRef(state.yuzu_input_device_interface);
+        env->DeleteGlobalRef(s_native_library_class);
+        env->DeleteGlobalRef(s_disk_cache_progress_class);
+        env->DeleteGlobalRef(s_load_callback_stage_class);
+        env->DeleteGlobalRef(s_game_dir_class);
+        env->DeleteGlobalRef(s_game_class);
+        env->DeleteGlobalRef(s_string_class);
+        env->DeleteGlobalRef(s_pair_class);
+        env->DeleteGlobalRef(s_overlay_control_data_class);
+        env->DeleteGlobalRef(s_patch_class);
+        env->DeleteGlobalRef(s_double_class);
+        env->DeleteGlobalRef(s_integer_class);
+        env->DeleteGlobalRef(s_boolean_class);
+        env->DeleteGlobalRef(s_player_input_class);
+        env->DeleteGlobalRef(s_yuzu_input_device_interface);
 
         // UnInitialize applets
         SoftwareKeyboard::CleanupJNI(env);
@@ -464,7 +463,7 @@ namespace Common::Android {
 #endif
 
 void Initialize(JavaVM* vm, JNIEnv *env) {
-    state.java_vm = vm;
+    s_java_vm = vm;
     InitFFmpegOnLoad(vm);
 
     if (env->ExceptionCheck()) {
@@ -473,169 +472,169 @@ void Initialize(JavaVM* vm, JNIEnv *env) {
 
     // Initialize Java classes
     const jclass native_library_class = env->FindClass("org/yuzu/yuzu_emu/NativeLibrary");
-    state.native_library_class = reinterpret_cast<jclass>(env->NewGlobalRef(native_library_class));
-    state.disk_cache_progress_class = reinterpret_cast<jclass>(env->NewGlobalRef(
+    s_native_library_class = reinterpret_cast<jclass>(env->NewGlobalRef(native_library_class));
+    s_disk_cache_progress_class = reinterpret_cast<jclass>(env->NewGlobalRef(
         env->FindClass("org/yuzu/yuzu_emu/disk_shader_cache/DiskShaderCacheProgress")));
-    state.load_callback_stage_class = reinterpret_cast<jclass>(env->NewGlobalRef(env->FindClass(
+    s_load_callback_stage_class = reinterpret_cast<jclass>(env->NewGlobalRef(env->FindClass(
         "org/yuzu/yuzu_emu/disk_shader_cache/DiskShaderCacheProgress$LoadCallbackStage")));
 
     const jclass game_dir_class = env->FindClass("org/yuzu/yuzu_emu/model/GameDir");
-    state.game_dir_class = reinterpret_cast<jclass>(env->NewGlobalRef(game_dir_class));
-    state.game_dir_constructor = env->GetMethodID(game_dir_class, "<init>",
+    s_game_dir_class = reinterpret_cast<jclass>(env->NewGlobalRef(game_dir_class));
+    s_game_dir_constructor = env->GetMethodID(game_dir_class, "<init>",
                                               "(Ljava/lang/String;Z)V");
     env->DeleteLocalRef(game_dir_class);
 
     // Initialize methods
-    state.exit_emulation_activity =
-        env->GetStaticMethodID(state.native_library_class, "exitEmulationActivity", "(I)V");
-    state.disk_cache_load_progress =
-        env->GetStaticMethodID(state.disk_cache_progress_class, "loadProgress", "(III)V");
-    state.copy_to_storage = env->GetStaticMethodID(state.native_library_class, "copyFileToStorage",
+    s_exit_emulation_activity =
+        env->GetStaticMethodID(s_native_library_class, "exitEmulationActivity", "(I)V");
+    s_disk_cache_load_progress =
+        env->GetStaticMethodID(s_disk_cache_progress_class, "loadProgress", "(III)V");
+    s_copy_to_storage = env->GetStaticMethodID(s_native_library_class, "copyFileToStorage",
                                                "(Ljava/lang/String;Ljava/lang/String;)Z");
-    state.file_exists = env->GetStaticMethodID(state.native_library_class, "exists",
+    s_file_exists = env->GetStaticMethodID(s_native_library_class, "exists",
                                            "(Ljava/lang/String;)Z");
-    state.file_extension = env->GetStaticMethodID(state.native_library_class, "getFileExtension",
+    s_file_extension = env->GetStaticMethodID(s_native_library_class, "getFileExtension",
                                               "(Ljava/lang/String;)Ljava/lang/String;");
-    state.on_emulation_started =
-        env->GetStaticMethodID(state.native_library_class, "onEmulationStarted", "()V");
-    state.on_emulation_stopped =
-        env->GetStaticMethodID(state.native_library_class, "onEmulationStopped", "(I)V");
-    state.on_program_changed =
-        env->GetStaticMethodID(state.native_library_class, "onProgramChanged", "(I)V");
+    s_on_emulation_started =
+        env->GetStaticMethodID(s_native_library_class, "onEmulationStarted", "()V");
+    s_on_emulation_stopped =
+        env->GetStaticMethodID(s_native_library_class, "onEmulationStopped", "(I)V");
+    s_on_program_changed =
+        env->GetStaticMethodID(s_native_library_class, "onProgramChanged", "(I)V");
 
     const jclass game_class = env->FindClass("org/yuzu/yuzu_emu/model/Game");
-    state.game_class = reinterpret_cast<jclass>(env->NewGlobalRef(game_class));
-    state.game_constructor = env->GetMethodID(game_class, "<init>",
+    s_game_class = reinterpret_cast<jclass>(env->NewGlobalRef(game_class));
+    s_game_constructor = env->GetMethodID(game_class, "<init>",
                                           "(Ljava/lang/String;Ljava/lang/String;Ljava/lang/"
                                           "String;Ljava/lang/String;Ljava/lang/String;Z)V");
-    state.game_title_field = env->GetFieldID(game_class, "title", "Ljava/lang/String;");
-    state.game_path_field = env->GetFieldID(game_class, "path", "Ljava/lang/String;");
-    state.game_program_id_field = env->GetFieldID(game_class, "programId", "Ljava/lang/String;");
-    state.game_developer_field = env->GetFieldID(game_class, "developer", "Ljava/lang/String;");
-    state.game_version_field = env->GetFieldID(game_class, "version", "Ljava/lang/String;");
-    state.game_is_homebrew_field = env->GetFieldID(game_class, "isHomebrew", "Z");
+    s_game_title_field = env->GetFieldID(game_class, "title", "Ljava/lang/String;");
+    s_game_path_field = env->GetFieldID(game_class, "path", "Ljava/lang/String;");
+    s_game_program_id_field = env->GetFieldID(game_class, "programId", "Ljava/lang/String;");
+    s_game_developer_field = env->GetFieldID(game_class, "developer", "Ljava/lang/String;");
+    s_game_version_field = env->GetFieldID(game_class, "version", "Ljava/lang/String;");
+    s_game_is_homebrew_field = env->GetFieldID(game_class, "isHomebrew", "Z");
     env->DeleteLocalRef(game_class);
 
     const jclass string_class = env->FindClass("java/lang/String");
-    state.string_class = reinterpret_cast<jclass>(env->NewGlobalRef(string_class));
+    s_string_class = reinterpret_cast<jclass>(env->NewGlobalRef(string_class));
     env->DeleteLocalRef(string_class);
 
     const jclass pair_class = env->FindClass("kotlin/Pair");
-    state.pair_class = reinterpret_cast<jclass>(env->NewGlobalRef(pair_class));
-    state.pair_constructor =
+    s_pair_class = reinterpret_cast<jclass>(env->NewGlobalRef(pair_class));
+    s_pair_constructor =
         env->GetMethodID(pair_class, "<init>", "(Ljava/lang/Object;Ljava/lang/Object;)V");
-    state.pair_first_field = env->GetFieldID(pair_class, "first", "Ljava/lang/Object;");
-    state.pair_second_field = env->GetFieldID(pair_class, "second", "Ljava/lang/Object;");
+    s_pair_first_field = env->GetFieldID(pair_class, "first", "Ljava/lang/Object;");
+    s_pair_second_field = env->GetFieldID(pair_class, "second", "Ljava/lang/Object;");
     env->DeleteLocalRef(pair_class);
 
     const jclass overlay_control_data_class =
         env->FindClass("org/yuzu/yuzu_emu/overlay/model/OverlayControlData");
-    state.overlay_control_data_class =
+    s_overlay_control_data_class =
         reinterpret_cast<jclass>(env->NewGlobalRef(overlay_control_data_class));
-    state.overlay_control_data_constructor =
+    s_overlay_control_data_constructor =
         env->GetMethodID(overlay_control_data_class, "<init>",
                          "(Ljava/lang/String;ZLkotlin/Pair;Lkotlin/Pair;Lkotlin/Pair;F)V");
-    state.overlay_control_data_id_field =
+    s_overlay_control_data_id_field =
         env->GetFieldID(overlay_control_data_class, "id", "Ljava/lang/String;");
-    state.overlay_control_data_enabled_field =
+    s_overlay_control_data_enabled_field =
         env->GetFieldID(overlay_control_data_class, "enabled", "Z");
-    state.overlay_control_data_landscape_position_field =
+    s_overlay_control_data_landscape_position_field =
         env->GetFieldID(overlay_control_data_class, "landscapePosition", "Lkotlin/Pair;");
-    state.overlay_control_data_portrait_position_field =
+    s_overlay_control_data_portrait_position_field =
         env->GetFieldID(overlay_control_data_class, "portraitPosition", "Lkotlin/Pair;");
-    state.overlay_control_data_foldable_position_field =
+    s_overlay_control_data_foldable_position_field =
         env->GetFieldID(overlay_control_data_class, "foldablePosition", "Lkotlin/Pair;");
-    state.overlay_control_data_individual_scale_field =
+    s_overlay_control_data_individual_scale_field =
         env->GetFieldID(overlay_control_data_class, "individualScale", "F");
     env->DeleteLocalRef(overlay_control_data_class);
 
     const jclass patch_class = env->FindClass("org/yuzu/yuzu_emu/model/Patch");
-    state.patch_class = reinterpret_cast<jclass>(env->NewGlobalRef(patch_class));
-    state.patch_constructor = env->GetMethodID(
+    s_patch_class = reinterpret_cast<jclass>(env->NewGlobalRef(patch_class));
+    s_patch_constructor = env->GetMethodID(
         patch_class, "<init>",
         "(ZLjava/lang/String;Ljava/lang/String;ILjava/lang/String;Ljava/lang/String;JI)V");
-    state.patch_enabled_field = env->GetFieldID(patch_class, "enabled", "Z");
-    state.patch_name_field = env->GetFieldID(patch_class, "name", "Ljava/lang/String;");
-    state.patch_version_field = env->GetFieldID(patch_class, "version", "Ljava/lang/String;");
-    state.patch_type_field = env->GetFieldID(patch_class, "type", "I");
-    state.patch_program_id_field = env->GetFieldID(patch_class, "programId", "Ljava/lang/String;");
-    state.patch_title_id_field = env->GetFieldID(patch_class, "titleId", "Ljava/lang/String;");
+    s_patch_enabled_field = env->GetFieldID(patch_class, "enabled", "Z");
+    s_patch_name_field = env->GetFieldID(patch_class, "name", "Ljava/lang/String;");
+    s_patch_version_field = env->GetFieldID(patch_class, "version", "Ljava/lang/String;");
+    s_patch_type_field = env->GetFieldID(patch_class, "type", "I");
+    s_patch_program_id_field = env->GetFieldID(patch_class, "programId", "Ljava/lang/String;");
+    s_patch_title_id_field = env->GetFieldID(patch_class, "titleId", "Ljava/lang/String;");
     env->DeleteLocalRef(patch_class);
 
     const jclass double_class = env->FindClass("java/lang/Double");
-    state.double_class = reinterpret_cast<jclass>(env->NewGlobalRef(double_class));
-    state.double_constructor = env->GetMethodID(double_class, "<init>", "(D)V");
-    state.double_value_method = env->GetMethodID(double_class, "doubleValue", "()D");
+    s_double_class = reinterpret_cast<jclass>(env->NewGlobalRef(double_class));
+    s_double_constructor = env->GetMethodID(double_class, "<init>", "(D)V");
+    s_double_value_method = env->GetMethodID(double_class, "doubleValue", "()D");
     env->DeleteLocalRef(double_class);
 
     const jclass int_class = env->FindClass("java/lang/Integer");
-    state.integer_class = reinterpret_cast<jclass>(env->NewGlobalRef(int_class));
-    state.integer_constructor = env->GetMethodID(int_class, "<init>", "(I)V");
-    state.integer_value_method = env->GetMethodID(int_class, "intValue", "()I");
+    s_integer_class = reinterpret_cast<jclass>(env->NewGlobalRef(int_class));
+    s_integer_constructor = env->GetMethodID(int_class, "<init>", "(I)V");
+    s_integer_value_method = env->GetMethodID(int_class, "intValue", "()I");
     env->DeleteLocalRef(int_class);
 
     const jclass boolean_class = env->FindClass("java/lang/Boolean");
-    state.boolean_class = reinterpret_cast<jclass>(env->NewGlobalRef(boolean_class));
-    state.boolean_constructor = env->GetMethodID(boolean_class, "<init>", "(Z)V");
-    state.boolean_value_method = env->GetMethodID(boolean_class, "booleanValue", "()Z");
+    s_boolean_class = reinterpret_cast<jclass>(env->NewGlobalRef(boolean_class));
+    s_boolean_constructor = env->GetMethodID(boolean_class, "<init>", "(Z)V");
+    s_boolean_value_method = env->GetMethodID(boolean_class, "booleanValue", "()Z");
     env->DeleteLocalRef(boolean_class);
 
     const jclass player_input_class =
         env->FindClass("org/yuzu/yuzu_emu/features/input/model/PlayerInput");
-    state.player_input_class = reinterpret_cast<jclass>(env->NewGlobalRef(player_input_class));
-    state.player_input_constructor = env->GetMethodID(
+    s_player_input_class = reinterpret_cast<jclass>(env->NewGlobalRef(player_input_class));
+    s_player_input_constructor = env->GetMethodID(
         player_input_class, "<init>",
         "(Z[Ljava/lang/String;[Ljava/lang/String;[Ljava/lang/String;ZIJJJJLjava/lang/String;Z)V");
-    state.player_input_connected_field = env->GetFieldID(player_input_class, "connected", "Z");
-    state.player_input_buttons_field =
+    s_player_input_connected_field = env->GetFieldID(player_input_class, "connected", "Z");
+    s_player_input_buttons_field =
         env->GetFieldID(player_input_class, "buttons", "[Ljava/lang/String;");
-    state.player_input_analogs_field =
+    s_player_input_analogs_field =
         env->GetFieldID(player_input_class, "analogs", "[Ljava/lang/String;");
-    state.player_input_motions_field =
+    s_player_input_motions_field =
         env->GetFieldID(player_input_class, "motions", "[Ljava/lang/String;");
-    state.player_input_vibration_enabled_field =
+    s_player_input_vibration_enabled_field =
         env->GetFieldID(player_input_class, "vibrationEnabled", "Z");
-    state.player_input_vibration_strength_field =
+    s_player_input_vibration_strength_field =
         env->GetFieldID(player_input_class, "vibrationStrength", "I");
-    state.player_input_body_color_left_field =
+    s_player_input_body_color_left_field =
         env->GetFieldID(player_input_class, "bodyColorLeft", "J");
-    state.player_input_body_color_right_field =
+    s_player_input_body_color_right_field =
         env->GetFieldID(player_input_class, "bodyColorRight", "J");
-    state.player_input_button_color_left_field =
+    s_player_input_button_color_left_field =
         env->GetFieldID(player_input_class, "buttonColorLeft", "J");
-    state.player_input_button_color_right_field =
+    s_player_input_button_color_right_field =
         env->GetFieldID(player_input_class, "buttonColorRight", "J");
-    state.player_input_profile_name_field =
+    s_player_input_profile_name_field =
         env->GetFieldID(player_input_class, "profileName", "Ljava/lang/String;");
-    state.player_input_use_system_vibrator_field =
+    s_player_input_use_system_vibrator_field =
         env->GetFieldID(player_input_class, "useSystemVibrator", "Z");
     env->DeleteLocalRef(player_input_class);
 
     const jclass yuzu_input_device_interface =
         env->FindClass("org/yuzu/yuzu_emu/features/input/YuzuInputDevice");
-    state.yuzu_input_device_interface =
+    s_yuzu_input_device_interface =
         reinterpret_cast<jclass>(env->NewGlobalRef(yuzu_input_device_interface));
-    state.yuzu_input_device_get_name =
+    s_yuzu_input_device_get_name =
         env->GetMethodID(yuzu_input_device_interface, "getName", "()Ljava/lang/String;");
-    state.yuzu_input_device_get_guid =
+    s_yuzu_input_device_get_guid =
         env->GetMethodID(yuzu_input_device_interface, "getGUID", "()Ljava/lang/String;");
-    state.yuzu_input_device_get_port = env->GetMethodID(yuzu_input_device_interface, "getPort",
+    s_yuzu_input_device_get_port = env->GetMethodID(yuzu_input_device_interface, "getPort",
                                                     "()I");
-    state.yuzu_input_device_get_supports_vibration =
+    s_yuzu_input_device_get_supports_vibration =
         env->GetMethodID(yuzu_input_device_interface, "getSupportsVibration", "()Z");
-    state.yuzu_input_device_vibrate = env->GetMethodID(yuzu_input_device_interface, "vibrate",
+    s_yuzu_input_device_vibrate = env->GetMethodID(yuzu_input_device_interface, "vibrate",
                                                    "(F)V");
-    state.yuzu_input_device_get_axes =
+    s_yuzu_input_device_get_axes =
         env->GetMethodID(yuzu_input_device_interface, "getAxes", "()[Ljava/lang/Integer;");
-    state.yuzu_input_device_has_keys =
+    s_yuzu_input_device_has_keys =
         env->GetMethodID(yuzu_input_device_interface, "hasKeys", "([I)[Z");
     env->DeleteLocalRef(yuzu_input_device_interface);
-    state.add_netplay_message = env->GetStaticMethodID(state.native_library_class, "addNetPlayMessage",
+    s_add_netplay_message = env->GetStaticMethodID(s_native_library_class, "addNetPlayMessage",
                                                    "(ILjava/lang/String;)V");
-    state.clear_chat = env->GetStaticMethodID(state.native_library_class, "clearChat", "()V");
+    s_clear_chat = env->GetStaticMethodID(s_native_library_class, "clearChat", "()V");
 
     // Initialize Android Storage
-    Common::FS::Android::RegisterCallbacks(env, state.native_library_class);
+    Common::FS::Android::RegisterCallbacks(env, s_native_library_class);
 
     // Initialize applets
     Common::Android::SoftwareKeyboard::InitJNI(env);

src/common/bit_util.h

@@ -22,22 +22,36 @@ template <typename T>
     return std::size_t(sizeof(T) * CHAR_BIT);
 }
 
+template<typename T>
+    requires std::is_integral_v<T>
+[[nodiscard]] constexpr u32 MostSignificantBit(const T value) {
+    return u32(sizeof(T) * CHAR_BIT - 1 - std::countl_zero(value));
+}
+
 template<typename T>
     requires std::is_integral_v<T>
 [[nodiscard]] constexpr T Log2Floor(const T value) {
-    return std::bit_width(value) - 1;
+    return T(MostSignificantBit<T>(value));
 }
 
 template<typename T>
     requires std::is_integral_v<T>
 [[nodiscard]] constexpr T Log2Ceil(const T value) {
-    return std::bit_width(value - 1);
+    const T log2_f = Log2Floor<T>(value);
+    return T(log2_f + T((value ^ (T(1ULL) << log2_f)) != T(0ULL)));
+}
+
+template <typename T>
+    requires std::is_integral_v<T>
+[[nodiscard]] T NextPow2(T value) {
+    return T(1ULL << (sizeof(T) * CHAR_BIT - std::countl_zero(value - 1U)));
 }
 
 template <size_t bit_index, typename T>
-    requires (std::is_integral_v<T> && bit_index < BitSize<T>())
+    requires std::is_integral_v<T>
 [[nodiscard]] constexpr bool Bit(const T value) {
-    return (T(value >> bit_index) & T(1)) == T(1);
+    static_assert(bit_index < BitSize<T>(), "bit_index must be smaller than size of T");
+    return ((value >> bit_index) & T(1)) == T(1);
 }
 
 } // namespace Common

src/common/bounded_threadsafe_queue.h

@@ -1,4 +1,4 @@
-// SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
+// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
 // SPDX-License-Identifier: GPL-3.0-or-later
 // SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
@@ -109,12 +109,6 @@ private:
             if (read_index == producer.index.load(std::memory_order::acquire)) {
                 return false;
             }
-        } else if constexpr (Mode == PopMode::Wait) {
-            // Wait until the queue is not empty.
-            std::unique_lock lock{consumer.cv_mutex};
-            consumer.cv.wait(lock, [this, read_index] {
-                return read_index != producer.index.load(std::memory_order::acquire);
-            });
         } else if constexpr (Mode == PopMode::WaitWithStopToken) {
             // Wait until the queue is not empty.
             std::unique_lock lock{consumer.cv_mutex};
@@ -124,6 +118,12 @@ private:
             if (stop_token.stop_requested()) {
                 return false;
             }
+        } else if constexpr (Mode == PopMode::Wait) {
+            // Wait until the queue is not empty.
+            std::unique_lock lock{consumer.cv_mutex};
+            consumer.cv.wait(lock, [this, read_index] {
+                return read_index != producer.index.load(std::memory_order::acquire);
+            });
         } else {
             static_assert(Mode < PopMode::Count, "Invalid PopMode.");
         }

src/common/container_hash.h

@@ -25,18 +25,26 @@ template <typename T>
     requires std::is_unsigned_v<T>
 inline std::size_t HashValue(T val) {
     const unsigned int size_t_bits = std::numeric_limits<std::size_t>::digits;
-    const unsigned int length = (std::numeric_limits<T>::digits - 1) / static_cast<unsigned int>(size_t_bits);
+    const unsigned int length =
+        (std::numeric_limits<T>::digits - 1) / static_cast<unsigned int>(size_t_bits);
+
     std::size_t seed = 0;
-    for (unsigned int i = length * size_t_bits; i > 0; i -= size_t_bits)
-        seed ^= std::size_t(val >> i) + (seed << 6) + (seed >> 2);
-    return seed ^= std::size_t(val) + (seed << 6) + (seed >> 2);
+
+    for (unsigned int i = length * size_t_bits; i > 0; i -= size_t_bits) {
+        seed ^= static_cast<size_t>(val >> i) + (seed << 6) + (seed >> 2);
+    }
+
+    seed ^= static_cast<size_t>(val) + (seed << 6) + (seed >> 2);
+
+    return seed;
 }
 
 template <size_t Bits>
 struct HashCombineImpl {
     template <typename T>
     static inline T fn(T seed, T value) {
-        return seed ^= value + 0x9e3779b9 + (seed << 6) + (seed >> 2);
+        seed ^= value + 0x9e3779b9 + (seed << 6) + (seed >> 2);
+        return seed;
     }
 };
 

src/common/div_ceil.h

@@ -1,6 +1,3 @@
-// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
-// SPDX-License-Identifier: GPL-3.0-or-later
-
 // SPDX-FileCopyrightText: Copyright 2020 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
@@ -15,14 +12,14 @@ namespace Common {
 template <typename N, typename D>
     requires std::is_integral_v<N> && std::is_unsigned_v<D>
 [[nodiscard]] constexpr N DivCeil(N number, D divisor) {
-    return N((D(number) + divisor - 1) / divisor);
+    return static_cast<N>((static_cast<D>(number) + divisor - 1) / divisor);
 }
 
 /// Ceiled integer division with logarithmic divisor in base 2
 template <typename N, typename D>
     requires std::is_integral_v<N> && std::is_unsigned_v<D>
 [[nodiscard]] constexpr N DivCeilLog2(N value, D alignment_log2) {
-    return N((D(value) + (D(1) << alignment_log2) - 1) >> alignment_log2);
+    return static_cast<N>((static_cast<D>(value) + (D(1) << alignment_log2) - 1) >> alignment_log2);
 }
 
 } // namespace Common

src/common/hash.h

@@ -0,0 +1,28 @@
+// SPDX-FileCopyrightText: 2015 Citra Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+#include <cstddef>
+#include <utility>
+#include <boost/functional/hash.hpp>
+
+namespace Common {
+
+struct PairHash {
+    template <class T1, class T2>
+    std::size_t operator()(const std::pair<T1, T2>& pair) const noexcept {
+        std::size_t seed = std::hash<T1>()(pair.first);
+        boost::hash_combine(seed, std::hash<T2>()(pair.second));
+        return seed;
+    }
+};
+
+template <typename T>
+struct IdentityHash {
+    [[nodiscard]] size_t operator()(T value) const noexcept {
+        return static_cast<size_t>(value);
+    }
+};
+
+} // namespace Common

src/common/hex_util.h

@@ -1,6 +1,3 @@
-// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
-// SPDX-License-Identifier: GPL-3.0-or-later
-
 // SPDX-FileCopyrightText: 2013 Dolphin Emulator Project
 // SPDX-FileCopyrightText: 2014 Citra Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
@@ -19,12 +16,14 @@ namespace Common {
 
 [[nodiscard]] constexpr u8 ToHexNibble(char c) {
     if (c >= 65 && c <= 70) {
-        return u8(c - 55);
+        return static_cast<u8>(c - 55);
     }
+
     if (c >= 97 && c <= 102) {
-        return u8(c - 87);
+        return static_cast<u8>(c - 87);
     }
-    return u8(c - 48);
+
+    return static_cast<u8>(c - 48);
 }
 
 [[nodiscard]] std::vector<u8> HexStringToVector(std::string_view str, bool little_endian);
@@ -32,28 +31,35 @@ namespace Common {
 template <std::size_t Size, bool le = false>
 [[nodiscard]] constexpr std::array<u8, Size> HexStringToArray(std::string_view str) {
     ASSERT_MSG(Size * 2 <= str.size(), "Invalid string size");
+
     std::array<u8, Size> out{};
     if constexpr (le) {
         for (std::size_t i = 2 * Size - 2; i <= 2 * Size; i -= 2) {
-            out[i / 2] = u8((ToHexNibble(str[i]) << 4) | ToHexNibble(str[i + 1]));
+            out[i / 2] = static_cast<u8>((ToHexNibble(str[i]) << 4) | ToHexNibble(str[i + 1]));
         }
     } else {
         for (std::size_t i = 0; i < 2 * Size; i += 2) {
-            out[i / 2] = u8((ToHexNibble(str[i]) << 4) | ToHexNibble(str[i + 1]));
+            out[i / 2] = static_cast<u8>((ToHexNibble(str[i]) << 4) | ToHexNibble(str[i + 1]));
         }
     }
     return out;
 }
 
 template <typename ContiguousContainer>
-    requires std::is_same_v<typename ContiguousContainer::value_type, u8>
 [[nodiscard]] std::string HexToString(const ContiguousContainer& data, bool upper = true) {
+    static_assert(std::is_same_v<typename ContiguousContainer::value_type, u8>,
+                  "Underlying type within the contiguous container must be u8.");
+
     constexpr std::size_t pad_width = 2;
+
     std::string out;
     out.reserve(std::size(data) * pad_width);
+
     const auto format_str = fmt::runtime(upper ? "{:02X}" : "{:02x}");
-    for (const u8 c : data)
+    for (const u8 c : data) {
         out += fmt::format(format_str, c);
+    }
+
     return out;
 }
 

src/common/logging.cpp

@@ -10,7 +10,6 @@
 #include <cstdlib>
 #include <regex>
 #include <thread>
-#include <boost/algorithm/string/predicate.hpp>
 
 #if defined(__ANDROID__)
 #include <android/log.h>
@@ -96,10 +95,9 @@ std::string FormatLogMessage(const Entry& entry) noexcept {
 
 template <typename It>
 Level GetLevelByName(const It begin, const It end) {
-    std::string_view const sv{begin, end};
     for (u32 i = 0; i < u32(Level::Count); ++i) {
-        auto const level_name = GetLevelName(Level(i));
-        if (boost::iequals(sv, level_name))
+        const char* level_name = GetLevelName(Level(i));
+        if (Common::ComparePartialString(begin, end, level_name))
             return Level(i);
     }
     return Level::Count;
@@ -107,10 +105,9 @@ Level GetLevelByName(const It begin, const It end) {
 
 template <typename It>
 Class GetClassByName(const It begin, const It end) {
-    std::string_view const sv{begin, end};
     for (u32 i = 0; i < u32(Class::Count); ++i) {
-        auto const level_name = GetLogClassName(Class(i));
-        if (boost::iequals(sv, level_name))
+        const char* level_name = GetLogClassName(Class(i));
+        if (Common::ComparePartialString(begin, end, level_name))
             return Class(i);
     }
     return Class::Count;
@@ -123,13 +120,12 @@ bool ParseFilterRule(Filter& instance, Iterator begin, Iterator end) {
         LOG_ERROR(Log, "Invalid log filter. Must specify a log level after `:`: {}", std::string(begin, end));
         return false;
     }
-    auto const sv = std::string_view{begin, level_separator};
-    auto const level = GetLevelByName(level_separator + 1, end);
+    const Level level = GetLevelByName(level_separator + 1, end);
     if (level == Level::Count) {
         LOG_ERROR(Log, "Unknown log level in filter: {}", std::string(begin, end));
         return false;
     }
-    if (boost::iequals(sv, "*")) {
+    if (Common::ComparePartialString(begin, level_separator, "*")) {
         instance.class_levels.fill(level);
         return true;
     }

src/common/param_package.cpp

@@ -8,9 +8,6 @@
 #include <stdexcept>
 #include <utility>
 #include <vector>
-#include <boost/algorithm/string/classification.hpp>
-#include <boost/algorithm/string/replace.hpp>
-#include <boost/algorithm/string/split.hpp>
 
 #include "common/logging.h"
 #include "common/param_package.h"
@@ -18,16 +15,17 @@
 
 namespace Common {
 
-constexpr auto KEY_VALUE_SEPARATOR = ":";
-constexpr auto PARAM_SEPARATOR = ",";
-constexpr auto ESCAPE_CHARACTER = "$";
-constexpr auto KEY_VALUE_SEPARATOR_ESCAPE = "$0";
-constexpr auto PARAM_SEPARATOR_ESCAPE = "$1";
-constexpr auto ESCAPE_CHARACTER_ESCAPE = "$2";
+constexpr char KEY_VALUE_SEPARATOR = ':';
+constexpr char PARAM_SEPARATOR = ',';
+
+constexpr char ESCAPE_CHARACTER = '$';
+constexpr char KEY_VALUE_SEPARATOR_ESCAPE[] = "$0";
+constexpr char PARAM_SEPARATOR_ESCAPE[] = "$1";
+constexpr char ESCAPE_CHARACTER_ESCAPE[] = "$2";
 
 /// A placeholder for empty param packages to avoid empty strings
 /// (they may be recognized as "not set" by some frontend libraries like qt)
-constexpr auto EMPTY_PLACEHOLDER = "[empty]";
+constexpr char EMPTY_PLACEHOLDER[] = "[empty]";
 
 ParamPackage::ParamPackage(const std::string& serialized) {
     if (serialized == EMPTY_PLACEHOLDER) {
@@ -35,20 +33,20 @@ ParamPackage::ParamPackage(const std::string& serialized) {
     }
 
     std::vector<std::string> pairs;
-    boost::split(pairs, serialized, boost::is_any_of(PARAM_SEPARATOR));
+    Common::SplitString(serialized, PARAM_SEPARATOR, pairs);
 
     for (const std::string& pair : pairs) {
         std::vector<std::string> key_value;
-        boost::split(key_value, pair, boost::is_any_of(KEY_VALUE_SEPARATOR));
+        Common::SplitString(pair, KEY_VALUE_SEPARATOR, key_value);
         if (key_value.size() != 2) {
             LOG_ERROR(Common, "invalid key pair {}", pair);
             continue;
         }
 
-        for (auto& part : key_value) {
-            boost::replace_all(part, KEY_VALUE_SEPARATOR_ESCAPE, KEY_VALUE_SEPARATOR);
-            boost::replace_all(part, PARAM_SEPARATOR_ESCAPE, PARAM_SEPARATOR);
-            boost::replace_all(part, ESCAPE_CHARACTER_ESCAPE, ESCAPE_CHARACTER);
+        for (std::string& part : key_value) {
+            part = Common::ReplaceAll(part, KEY_VALUE_SEPARATOR_ESCAPE, {KEY_VALUE_SEPARATOR});
+            part = Common::ReplaceAll(part, PARAM_SEPARATOR_ESCAPE, {PARAM_SEPARATOR});
+            part = Common::ReplaceAll(part, ESCAPE_CHARACTER_ESCAPE, {ESCAPE_CHARACTER});
         }
 
         Set(key_value[0], std::move(key_value[1]));
@@ -65,10 +63,10 @@ std::string ParamPackage::Serialize() const {
 
     for (const auto& pair : data) {
         std::array<std::string, 2> key_value{{pair.first, pair.second}};
-        for (auto& part : key_value) {
-            boost::replace_all(part, ESCAPE_CHARACTER, ESCAPE_CHARACTER_ESCAPE);
-            boost::replace_all(part, PARAM_SEPARATOR, PARAM_SEPARATOR_ESCAPE);
-            boost::replace_all(part, KEY_VALUE_SEPARATOR, KEY_VALUE_SEPARATOR_ESCAPE);
+        for (std::string& part : key_value) {
+            part = Common::ReplaceAll(part, {ESCAPE_CHARACTER}, ESCAPE_CHARACTER_ESCAPE);
+            part = Common::ReplaceAll(part, {PARAM_SEPARATOR}, PARAM_SEPARATOR_ESCAPE);
+            part = Common::ReplaceAll(part, {KEY_VALUE_SEPARATOR}, KEY_VALUE_SEPARATOR_ESCAPE);
         }
         result += key_value[0] + KEY_VALUE_SEPARATOR + key_value[1] + PARAM_SEPARATOR;
     }

src/common/string_util.cpp

@@ -24,6 +24,22 @@
 
 namespace Common {
 
+/// Make a string lowercase
+std::string ToLower(const std::string_view sv) {
+    std::string str{sv};
+    std::transform(str.begin(), str.end(), str.begin(),
+                   [](auto const c) { return char(std::tolower(c)); });
+    return str;
+}
+
+/// Make a string uppercase
+std::string ToUpper(const std::string_view sv) {
+    std::string str{sv};
+    std::transform(str.begin(), str.end(), str.begin(),
+                   [](auto const c) { return char(std::toupper(c)); });
+    return str;
+}
+
 bool SplitPath(const std::string& full_path, std::string* _pPath, std::string* _pFilename,
                std::string* _pExtension) {
     if (full_path.empty())
@@ -64,6 +80,41 @@ bool SplitPath(const std::string& full_path, std::string* _pPath, std::string* _
     return true;
 }
 
+void SplitString(const std::string& str, const char delim, std::vector<std::string>& output) {
+    std::istringstream iss(str);
+    output.resize(1);
+
+    while (std::getline(iss, *output.rbegin(), delim)) {
+        output.emplace_back();
+    }
+
+    output.pop_back();
+}
+
+std::string TabsToSpaces(int tab_size, std::string in) {
+    std::size_t i = 0;
+
+    while ((i = in.find('\t')) != std::string::npos) {
+        in.replace(i, 1, tab_size, ' ');
+    }
+
+    return in;
+}
+
+std::string ReplaceAll(std::string result, const std::string& src, const std::string& dest) {
+    std::size_t pos = 0;
+
+    if (src == dest)
+        return result;
+
+    while ((pos = result.find(src, pos)) != std::string::npos) {
+        result.replace(pos, src.size(), dest);
+        pos += dest.length();
+    }
+
+    return result;
+}
+
 std::string UTF16ToUTF8(std::u16string_view input) {
     std::wstring_convert<std::codecvt_utf8_utf16<char16_t>, char16_t> convert;
     return convert.to_bytes(input.data(), input.data() + input.size());

src/common/string_util.h

@@ -1,4 +1,4 @@
-// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
+// SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
 // SPDX-License-Identifier: GPL-3.0-or-later
 
 // SPDX-FileCopyrightText: 2013 Dolphin Emulator Project
@@ -16,6 +16,12 @@
 
 namespace Common {
 
+/// Make a string lowercase
+[[nodiscard]] std::string ToLower(const std::string_view sv);
+
+/// Make a string uppercase
+[[nodiscard]] std::string ToUpper(const std::string_view sv);
+
 [[nodiscard]] inline std::string StringFromBuffer(std::span<const u8> data) noexcept {
     return std::string(data.begin(), std::find(data.begin(), data.end(), '\0'));
 }
@@ -23,8 +29,37 @@ namespace Common {
     return std::string(data.begin(), std::find(data.begin(), data.end(), '\0'));
 }
 
+/// Turns "  hej " into "hej". Also handles tabs.
+[[nodiscard]] inline std::string StripSpaces(const std::string_view str) noexcept {
+    const std::size_t s = str.find_first_not_of(" \t\r\n");
+    if (str.npos != s)
+        return std::string{str.substr(s, str.find_last_not_of(" \t\r\n") - s + 1)};
+    return {};
+}
+
+/// "\"hello\"" is turned to "hello"
+/// This one assumes that the string has already been space stripped in both
+/// ends, as done by StripSpaces above, for example.
+[[nodiscard]] inline std::string StripQuotes(const std::string_view s) noexcept {
+    if (s.size() && '\"' == s[0] && '\"' == *s.rbegin())
+        return std::string{s.substr(1, s.size() - 2)};
+    return std::string{s};
+}
+
+[[nodiscard]] inline std::string StringFromBool(bool value) noexcept {
+    return value ? "True" : "False";
+}
+
+[[nodiscard]] std::string TabsToSpaces(int tab_size, std::string in);
+
+void SplitString(const std::string& str, char delim, std::vector<std::string>& output);
+
 // "C:/Windows/winhelp.exe" to "C:/Windows/", "winhelp", ".exe"
-bool SplitPath(const std::string& full_path, std::string* _pPath, std::string* _pFilename, std::string* _pExtension);
+bool SplitPath(const std::string& full_path, std::string* _pPath, std::string* _pFilename,
+               std::string* _pExtension);
+
+[[nodiscard]] std::string ReplaceAll(std::string result, const std::string& src,
+                                     const std::string& dest);
 
 [[nodiscard]] std::string UTF16ToUTF8(std::u16string_view input);
 [[nodiscard]] std::u16string UTF8ToUTF16(std::string_view input);
@@ -38,13 +73,30 @@ bool SplitPath(const std::string& full_path, std::string* _pPath, std::string* _
 
 [[nodiscard]] std::u16string U16StringFromBuffer(const u16* input, std::size_t length);
 
+/**
+ * Compares the string defined by the range [`begin`, `end`) to the null-terminated C-string
+ * `other` for equality.
+ */
+template <typename InIt>
+[[nodiscard]] inline bool ComparePartialString(InIt begin, InIt end, const char* other) noexcept {
+    for (; begin != end && *other != '\0'; ++begin, ++other) {
+        if (*begin != *other) {
+            return false;
+        }
+    }
+    // Only return true if both strings finished at the same point
+    return (begin == end) == (*other == '\0');
+}
+
 /// Creates a std::string from a fixed-size NUL-terminated char buffer. If the buffer isn't
 /// NUL-terminated then the string ends at max_len characters.
-[[nodiscard]] std::string StringFromFixedZeroTerminatedBuffer(std::string_view buffer, std::size_t max_len);
+[[nodiscard]] std::string StringFromFixedZeroTerminatedBuffer(std::string_view buffer,
+                                                              std::size_t max_len);
 
 /// Creates a UTF-16 std::u16string from a fixed-size NUL-terminated char buffer. If the buffer isn't
 /// null-terminated, then the string ends at the greatest multiple of two less then or equal to
 /// max_len_bytes.
-[[nodiscard]] std::u16string UTF16StringFromFixedZeroTerminatedBuffer(std::u16string_view buffer, std::size_t max_len);
+[[nodiscard]] std::u16string UTF16StringFromFixedZeroTerminatedBuffer(std::u16string_view buffer,
+                                                                      std::size_t max_len);
 
 } // namespace Common

src/core/arm/dynarmic/arm_dynarmic_64.h

@@ -13,6 +13,7 @@
 #include <dynarmic/interface/A64/a64.h>
 #include <dynarmic/interface/code_page.h>
 #include "common/common_types.h"
+#include "common/hash.h"
 #include "core/arm/arm_interface.h"
 #include "core/arm/dynarmic/dynarmic_exclusive_monitor.h"
 #include "dynarmic/interface/A64/config.h"

src/core/core.cpp

@@ -110,8 +110,13 @@ FileSys::VirtualFile GetGameFileFromPath(const FileSys::VirtualFilesystem& vfs,
 
 struct System::Impl {
     explicit Impl(System& system)
-        : kernel{system}, fs_controller{system}, hid_core{kernel}, cpu_manager{system},
-          reporter{system}, applet_manager{system}, frontend_applets{system}, profile_manager{} {}
+        : kernel{system}
+        , fs_controller{system}
+        , hid_core{kernel}
+        , cpu_manager{system}
+        , reporter{system}
+        , profile_manager{}
+    {}
 
     u64 program_id;
 
@@ -124,6 +129,12 @@ struct System::Impl {
         core_timing.SetMulticore(is_multicore);
         core_timing.Initialize([&system]() { system.RegisterHostThread(); });
 
+        applet_manager.emplace(system);
+        frontend_applets.emplace(system);
+        apm_controller.emplace(core_timing);
+        arp_manager.emplace();
+        profile_manager.emplace();
+
         // Create a default fs if one doesn't already exist.
         if (virtual_filesystem == nullptr) {
             virtual_filesystem = std::make_shared<FileSys::RealVfsFilesystem>();
@@ -133,7 +144,7 @@ struct System::Impl {
         }
 
         // Create default implementations of applets if one is not provided.
-        frontend_applets.SetDefaultAppletsIfMissing();
+        frontend_applets->SetDefaultAppletsIfMissing();
 
         auto const is_async_gpu = Settings::values.use_asynchronous_gpu_emulation.GetValue();
 
@@ -376,7 +387,7 @@ struct System::Impl {
 
         // Register with applet manager
         // All threads are started, begin main process execution, now that we're in the clear
-        applet_manager.CreateAndInsertByFrontendAppletParameters(std::move(process), params);
+        applet_manager->CreateAndInsertByFrontendAppletParameters(std::move(process), params);
 
         if (Settings::values.gamecard_inserted) {
             if (Settings::values.gamecard_current_game) {
@@ -428,13 +439,27 @@ struct System::Impl {
         core_timing.SyncPause(false);
         Network::CancelPendingSocketOperations();
         kernel.SuspendEmulation(true);
-        kernel.CloseServices();
         kernel.ShutdownCores();
+
+        // Notify services helpers of shutdown
+        audio_core->Shutdown();
+
+        // Wait for threads/services to join
+        kernel.CloseServices();
+
+        // service shutdown
         services.reset();
         service_manager.reset();
+        frontend_applets.reset();
+        applet_manager.reset();
+        apm_controller.reset();
+        arp_manager.reset();
+        profile_manager.reset();
+
         fs_controller.Reset();
         cheat_engine.reset();
         core_timing.ClearPendingEvents();
+        core_timing.Reset();
         app_loader.reset();
         audio_core.reset();
         gpu_core.reset();
@@ -451,9 +476,6 @@ struct System::Impl {
             room_member->SendGameInfo(game_info);
         }
 
-        // Reset all glue registrations
-        arp_manager.ResetAll();
-
         LOG_DEBUG(Core, "Shutdown OK");
     }
 
@@ -482,13 +504,13 @@ struct System::Impl {
     CpuManager cpu_manager;
     Reporter reporter;
     /// Applets
-    Service::AM::AppletManager applet_manager;
-    Service::AM::Frontend::FrontendAppletHolder frontend_applets;
+    std::optional<Service::AM::AppletManager> applet_manager;
+    std::optional<Service::AM::Frontend::FrontendAppletHolder> frontend_applets;
     /// APM (Performance) services
-    Service::APM::Controller apm_controller{core_timing};
+    std::optional<Service::APM::Controller> apm_controller;
     /// Service State
-    Service::Glue::ARPManager arp_manager;
-    Service::Account::ProfileManager profile_manager;
+    std::optional<Service::Glue::ARPManager> arp_manager;
+    std::optional<Service::Account::ProfileManager> profile_manager;
     /// Network instance
     Network::NetworkInstance network_instance;
     Core::SpeedLimiter speed_limiter;
@@ -815,19 +837,19 @@ void System::RegisterCheatList(const std::vector<Memory::CheatEntry>& list,
 }
 
 void System::SetFrontendAppletSet(Service::AM::Frontend::FrontendAppletSet&& set) {
-    impl->frontend_applets.SetFrontendAppletSet(std::move(set));
+    impl->frontend_applets->SetFrontendAppletSet(std::move(set));
 }
 
 Service::AM::Frontend::FrontendAppletHolder& System::GetFrontendAppletHolder() {
-    return impl->frontend_applets;
+    return *impl->frontend_applets;
 }
 
 const Service::AM::Frontend::FrontendAppletHolder& System::GetFrontendAppletHolder() const {
-    return impl->frontend_applets;
+    return *impl->frontend_applets;
 }
 
 Service::AM::AppletManager& System::GetAppletManager() {
-    return impl->applet_manager;
+    return *impl->applet_manager;
 }
 
 void System::SetContentProvider(std::unique_ptr<FileSys::ContentProviderUnion> provider) {
@@ -868,27 +890,27 @@ const Reporter& System::GetReporter() const {
 }
 
 Service::Glue::ARPManager& System::GetARPManager() {
-    return impl->arp_manager;
+    return *impl->arp_manager;
 }
 
 const Service::Glue::ARPManager& System::GetARPManager() const {
-    return impl->arp_manager;
+    return *impl->arp_manager;
 }
 
 Service::APM::Controller& System::GetAPMController() {
-    return impl->apm_controller;
+    return *impl->apm_controller;
 }
 
 const Service::APM::Controller& System::GetAPMController() const {
-    return impl->apm_controller;
+    return *impl->apm_controller;
 }
 
 Service::Account::ProfileManager& System::GetProfileManager() {
-    return impl->profile_manager;
+    return *impl->profile_manager;
 }
 
 const Service::Account::ProfileManager& System::GetProfileManager() const {
-    return impl->profile_manager;
+    return *impl->profile_manager;
 }
 
 void System::SetExitLocked(bool locked) {

src/core/core_timing.cpp

@@ -304,10 +304,10 @@ std::optional<s64> CoreTiming::Advance() {
 
 void CoreTiming::Reset() {
     paused = true;
-    pause_event.Set();
-    event.Set();
     if (timer_thread.joinable()) {
         timer_thread.request_stop();
+        pause_event.Set();
+        event.Set();
         timer_thread.join();
     }
     has_started = false;

src/core/cpu_manager.cpp

@@ -168,7 +168,7 @@ void CpuManager::ShutdownThread(Kernel::KernelCore& kernel) {
     UNREACHABLE();
 }
 
-void CpuManager::RunThread(std::stop_token stop_token, std::size_t core) {
+void CpuManager::RunThread(std::stop_token token, std::size_t core) {
     /// Initialization
     system.RegisterCoreThread(core);
     std::string name = is_multicore ? ("CPUCore_" + std::to_string(core)) : std::string{"CPUThread"};
@@ -178,19 +178,26 @@ void CpuManager::RunThread(std::stop_token stop_token, std::size_t core) {
     auto& data = core_data[core];
     data.host_context = Common::Fiber::ThreadToFiber();
 
+    // Cleanup
+    SCOPE_EXIT {
+        data.host_context->Exit();
+    };
+
     // Running
-    gpu_barrier->arrive_and_wait();
-    if (!stop_token.stop_requested()) {
-        if (!is_async_gpu && !is_multicore) {
-            system.GPU().ObtainContext();
-        }
-        auto& kernel = system.Kernel();
-        auto& scheduler = *kernel.CurrentScheduler();
-        auto* thread = scheduler.GetSchedulerCurrentThread();
-        Kernel::SetCurrentThread(kernel, thread);
-        Common::Fiber::YieldTo(data.host_context, *thread->GetHostContext());
+    if (!gpu_barrier->Sync(token)) {
+        return;
     }
-    data.host_context->Exit();
+
+    if (!is_async_gpu && !is_multicore) {
+        system.GPU().ObtainContext();
+    }
+
+    auto& kernel = system.Kernel();
+    auto& scheduler = *kernel.CurrentScheduler();
+    auto* thread = scheduler.GetSchedulerCurrentThread();
+    Kernel::SetCurrentThread(kernel, thread);
+
+    Common::Fiber::YieldTo(data.host_context, *thread->GetHostContext());
 }
 
 } // namespace Core

src/core/cpu_manager.h

@@ -8,7 +8,6 @@
 
 #include <array>
 #include <atomic>
-#include <barrier>
 #include <functional>
 #include <memory>
 #include <thread>
@@ -53,7 +52,7 @@ public:
     }
 
     void OnGpuReady() {
-        gpu_barrier->arrive_and_wait();
+        gpu_barrier->Sync();
     }
 
     void Initialize();
@@ -96,7 +95,7 @@ private:
 
     static constexpr std::size_t max_cycle_runs = 5;
 
-    std::optional<std::barrier<>> gpu_barrier{};
+    std::optional<Common::Barrier> gpu_barrier{};
     struct CoreData {
         std::shared_ptr<Common::Fiber> host_context;
         std::jthread host_thread;

src/core/crypto/key_manager.cpp

@@ -14,7 +14,6 @@
 #include <tuple>
 #include <vector>
 
-#include <boost/algorithm/string/case_conv.hpp>
 #include <openssl/evp.h>
 
 #include "common/fs/file.h"
@@ -623,7 +622,7 @@ void KeyManager::LoadFromFile(const std::filesystem::path& file_path, bool is_ti
                 Key128 key = Common::HexStringToArray<16>(out[1]);
                 s128_keys[{S128KeyType::Titlekey, rights_id[1], rights_id[0]}] = key;
             } else {
-                boost::algorithm::to_lower(out[0]);
+                out[0] = Common::ToLower(out[0]);
                 if (const auto iter128 = Find128ByName(out[0]); iter128 != s128_file_id.end()) {
                     const auto& index = iter128->second;
                     const Key128 key = Common::HexStringToArray<16>(out[1]);

src/core/crypto/partition_data_manager.cpp

@@ -6,7 +6,6 @@
 
 #include <array>
 #include <cstring>
-#include <boost/algorithm/string/case_conv.hpp>
 #include "common/common_funcs.h"
 #include "common/common_types.h"
 #include "common/hex_util.h"
@@ -42,13 +41,16 @@ static_assert(sizeof(Package2Header) == 0x200, "Package2Header has incorrect siz
 
 const u8 PartitionDataManager::MAX_KEYBLOB_SOURCE_HASH = 32;
 
-static FileSys::VirtualFile FindFileInDirWithNames(const FileSys::VirtualDir& dir, const std::string& name) {
-    const auto upper = boost::algorithm::to_upper_copy(name);
+static FileSys::VirtualFile FindFileInDirWithNames(const FileSys::VirtualDir& dir,
+                                                   const std::string& name) {
+    const auto upper = Common::ToUpper(name);
+
     for (const auto& fname : {name, name + ".bin", upper, upper + ".BIN"}) {
         if (dir->GetFile(fname) != nullptr) {
             return dir->GetFile(fname);
         }
     }
+
     return nullptr;
 }
 

src/core/file_sys/patch_manager.cpp

@@ -8,7 +8,6 @@
 #include <array>
 #include <cstddef>
 #include <cstring>
-#include <boost/algorithm/string/case_conv.hpp>
 
 #include "common/assert.h"
 #include "common/hex_util.h"
@@ -74,10 +73,12 @@ VirtualDir FindSubdirectoryCaseless(const VirtualDir dir, std::string_view name)
 #else
     const auto subdirs = dir->GetSubdirectories();
     for (const auto& subdir : subdirs) {
-        if (name == boost::algorithm::to_lower_copy(subdir->GetName())) {
+        std::string dir_name = Common::ToLower(subdir->GetName());
+        if (dir_name == name) {
             return subdir;
         }
     }
+
     return nullptr;
 #endif
 }

src/core/file_sys/registered_cache.cpp

@@ -8,7 +8,6 @@
 #include <limits>
 #include <random>
 #include <regex>
-#include <boost/algorithm/string/case_conv.hpp>
 #include <openssl/evp.h>
 #include "common/assert.h"
 #include "common/fs/path_util.h"
@@ -1415,10 +1414,11 @@ void ExternalContentProvider::ScanDirectory(const VirtualDir& dir) {
             continue;
         }
 
-        const auto ext = boost::to_lower_copy(filename.substr(dot_pos + 1));
-        if (ext == "nsp") {
+        const auto extension = Common::ToLower(filename.substr(dot_pos + 1));
+
+        if (extension == "nsp") {
             ProcessNSP(file);
-        } else if (ext == "xci") {
+        } else if (extension == "xci") {
             ProcessXCI(file);
         }
     }

src/core/file_sys/xts_archive.cpp

@@ -9,7 +9,6 @@
 #include <regex>
 #include <string>
 
-#include <boost/algorithm/string/case_conv.hpp>
 #include <openssl/err.h>
 #include <openssl/evp.h>
 
@@ -64,8 +63,8 @@ NAX::NAX(VirtualFile file_)
         return;
     }
 
-    const std::string two_dir = boost::algorithm::to_upper_copy(std::string{match[1]});
-    const std::string nca_id = boost::algorithm::to_lower_copy(std::string{match[2]});
+    const std::string two_dir = Common::ToUpper(std::string{match[1]});
+    const std::string nca_id = Common::ToLower(std::string{match[2]});
     status = Parse(fmt::format("/registered/{}/{}.nca", two_dir, nca_id));
 }
 

src/core/hardware_properties.h

@@ -1,6 +1,3 @@
-// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
-// SPDX-License-Identifier: GPL-3.0-or-later
-
 // SPDX-FileCopyrightText: Copyright 2020 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
@@ -22,14 +19,8 @@ constexpr u32 NUM_CPU_CORES = 4;               // Number of CPU Cores - sync wit
 
 // Virtual to Physical core map.
 constexpr std::array<s32, Common::BitSize<u64>()> VirtualToPhysicalCoreMap{
-    0, 1, 2, 3, 0, 0, 0, 0,
-    0, 0, 0, 0, 0, 0, 0, 0,
-    0, 0, 0, 0, 0, 0, 0, 0,
-    0, 0, 0, 0, 0, 0, 0, 0,
-    0, 0, 0, 0, 0, 0, 0, 0,
-    0, 0, 0, 0, 0, 0, 0, 0,
-    0, 0, 0, 0, 0, 0, 0, 0,
-    0, 0, 0, 0, 0, 0, 0, 3,
+    0, 1, 2, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3,
 };
 
 static constexpr inline size_t NumVirtualCores = Common::BitSize<u64>();

src/core/hle/kernel/global_scheduler_context.cpp

@@ -72,11 +72,9 @@ void GlobalSchedulerContext::UnregisterDummyThreadForWakeup(KThread* thread) noe
 
 void GlobalSchedulerContext::WakeupWaitingDummyThreads(KernelCore& kernel) noexcept {
     ASSERT(this->IsLocked());
-    if (m_woken_dummy_threads.size() > 0) {
-        for (auto* thread : m_woken_dummy_threads)
-            thread->DummyThreadEndWait(kernel);
-        m_woken_dummy_threads.clear();
-    }
+    for (auto* thread : m_woken_dummy_threads)
+        thread->DummyThreadEndWait(kernel);
+    m_woken_dummy_threads.clear();
 }
 
 } // namespace Kernel

src/core/hle/kernel/k_process.cpp

@@ -59,7 +59,6 @@ Result TerminateChildren(KernelCore& kernel, KProcess* process, const KThread* t
         KThread* cur_child = nullptr;
         {
             KScopedLightLock proc_lk(process->GetListLock());
-
             auto& thread_list = process->GetThreadList();
             for (auto it = thread_list.begin(); it != thread_list.end(); ++it) {
                 if (KThread* thread = std::addressof(*it); thread != thread_to_not_terminate) {

src/core/hle/kernel/k_thread.cpp

@@ -1236,18 +1236,13 @@ namespace Kernel {
         KScopedSchedulerLock sl{kernel};
 
         // Determine if this is the first termination request.
-        const bool first_request = [&]() -> bool {
-            // Perform an atomic compare-and-swap from false to true.
-            bool expected = false;
-            return m_termination_requested.compare_exchange_strong(expected, true);
-        }();
-
+        // Perform an atomic compare-and-swap from false to true.
+        bool expected = false;
         // If this is the first request, start termination procedure.
-        if (first_request) {
+        if (m_termination_requested.compare_exchange_strong(expected, true)) {
             // If the thread is in initialized state, just change state to terminated.
             if (this->GetState() == ThreadState::Initialized) {
-                m_thread_state = ThreadState::Terminated;
-                return ThreadState::Terminated;
+                return m_thread_state = ThreadState::Terminated;
             }
 
             // Register the terminating dpc.
@@ -1281,7 +1276,6 @@ namespace Kernel {
                 m_wait_queue->CancelWait(kernel, this, ResultTerminationRequested, true);
             }
         }
-
         return this->GetState();
     }
 

src/core/hle/kernel/k_worker_task_manager.cpp

@@ -4,7 +4,9 @@
 // SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
+#include <thread>
 #include "common/assert.h"
+#include "common/thread.h"
 #include "core/hle/kernel/k_process.h"
 #include "core/hle/kernel/k_thread.h"
 #include "core/hle/kernel/k_worker_task.h"
@@ -26,7 +28,33 @@ void KWorkerTask::DoWorkerTask(KernelCore& kernel) {
     }
 }
 
-KWorkerTaskManager::KWorkerTaskManager() : m_waiting_thread(1, "KWorkerTaskManager") {}
+KWorkerTaskManager::KWorkerTaskManager(KernelCore& kernel) {
+    m_waiting_thread = std::jthread([&kernel, this](std::stop_token stop_token) {
+        Common::SetCurrentThreadName("KWorkerManager");
+        while (!stop_token.stop_requested()) {
+            KWorkerTask* t;
+            {
+                std::unique_lock lk{m_task_mutex};
+                m_task_cv.wait(lk, m_waiting_thread.get_stop_token(), [&]() {
+                    return !m_task_queue.empty();
+                });
+                if (stop_token.stop_requested())
+                    break;
+                t = m_task_queue.back();
+                m_task_queue.pop_back();
+            }
+            t->DoWorkerTask(kernel);
+        }
+    });
+}
+
+KWorkerTaskManager::~KWorkerTaskManager() {
+    if (m_waiting_thread.joinable()) {
+        m_waiting_thread.request_stop();
+        m_task_cv.notify_one();
+        m_waiting_thread.join();
+    }
+}
 
 void KWorkerTaskManager::AddTask(KernelCore& kernel, WorkerType type, KWorkerTask* task) {
     ASSERT(type <= WorkerType::Count);
@@ -35,10 +63,11 @@ void KWorkerTaskManager::AddTask(KernelCore& kernel, WorkerType type, KWorkerTas
 
 void KWorkerTaskManager::AddTask(KernelCore& kernel, KWorkerTask* task) {
     KScopedSchedulerLock sl(kernel);
-    m_waiting_thread.QueueWork([&kernel, task]() {
-        // Do the task.
-        task->DoWorkerTask(kernel);
-    });
+    {
+        std::scoped_lock lk{m_task_mutex};
+        m_task_queue.emplace_back(task);
+    }
+    m_task_cv.notify_one();
 }
 
 } // namespace Kernel

src/core/hle/kernel/k_worker_task_manager.h

@@ -1,8 +1,13 @@
+// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
 // SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
 #pragma once
 
+#include <condition_variable>
+#include <thread>
 #include "common/common_types.h"
 #include "common/thread_worker.h"
 
@@ -18,15 +23,17 @@ public:
         Count,
     };
 
-    KWorkerTaskManager();
+    KWorkerTaskManager(KernelCore& kernel);
+    ~KWorkerTaskManager();
 
     static void AddTask(KernelCore& kernel, WorkerType type, KWorkerTask* task);
-
 private:
     void AddTask(KernelCore& kernel, KWorkerTask* task);
+    std::jthread m_waiting_thread;
 
-private:
-    Common::ThreadWorker m_waiting_thread;
+    std::mutex m_task_mutex;
+    std::condition_variable_any m_task_cv;
+    std::vector<KWorkerTask*> m_task_queue;
 };
 
 } // namespace Kernel

src/core/hle/kernel/kernel.cpp

@@ -80,7 +80,10 @@ struct KernelCore::Impl {
     // so it will be statically given a TLS slot anyways.
     static inline thread_local ThreadLocalData tls_data = {};
 
-    explicit Impl(Core::System& system_, KernelCore& kernel_) : system{system_} {
+    explicit Impl(Core::System& system_, KernelCore& kernel_)
+        : worker_task_manager{kernel_}
+        , system{system_}
+    {
         tls_data.lock = true;
     }
 
@@ -967,12 +970,16 @@ Kernel::KHardwareTimer& KernelCore::HardwareTimer() {
     return *impl->hardware_timer;
 }
 
-KAutoObjectWithListContainer& KernelCore::ObjectListContainer() {
-    return *impl->global_object_list_container;
+KAutoObjectWithListContainer* KernelCore::ObjectListContainer() {
+    if (!impl->global_object_list_container)
+        return nullptr;
+    return std::addressof(*impl->global_object_list_container);
 }
 
-const KAutoObjectWithListContainer& KernelCore::ObjectListContainer() const {
-    return *impl->global_object_list_container;
+const KAutoObjectWithListContainer* KernelCore::ObjectListContainer() const {
+    if (!impl->global_object_list_container)
+        return nullptr;
+    return std::addressof(*impl->global_object_list_container);
 }
 
 void KernelCore::PrepareReschedule(std::size_t id) {
@@ -1001,16 +1008,10 @@ void KernelCore::UnregisterInUseObject(KAutoObject* object) {
 
 void KernelCore::RunServer(std::unique_ptr<Service::ServerManager>&& server_manager) {
     auto* manager = server_manager.get();
-
-    {
+    if (!impl->is_shutting_down) {
         std::scoped_lock lk{impl->server_lock};
-        if (impl->is_shutting_down) {
-            return;
-        }
-
         impl->server_managers.emplace_back(std::move(server_manager));
     }
-
     manager->LoopProcess();
 }
 
@@ -1255,6 +1256,10 @@ void KernelCore::SuspendEmulation(bool suspended) {
 }
 
 void KernelCore::ShutdownCores() {
+    // Notify shutdown (pre-emptively)
+    for (auto& sm : impl->server_managers) {
+        sm->NotifyShutdown();
+    }
     impl->TerminateAllProcesses();
     KScopedSchedulerLock lk{*this};
     for (auto* thread : impl->shutdown_threads)

src/core/hle/kernel/kernel.h

@@ -175,9 +175,8 @@ public:
     /// Stops execution of 'id' core, in order to reschedule a new thread.
     void PrepareReschedule(std::size_t id);
 
-    KAutoObjectWithListContainer& ObjectListContainer();
-
-    const KAutoObjectWithListContainer& ObjectListContainer() const;
+    KAutoObjectWithListContainer* ObjectListContainer();
+    const KAutoObjectWithListContainer* ObjectListContainer() const;
 
     /// Registers all kernel objects with the global emulation state, this is purely for tracking
     /// leaks after emulation has been shutdown.

src/core/hle/kernel/slab_helpers.h

@@ -151,7 +151,8 @@ public:
         const bool is_initialized = this->IsInitialized();
         uintptr_t arg = 0;
         if (is_initialized) {
-            kernel.ObjectListContainer().Unregister(this);
+            if (auto const olc = kernel.ObjectListContainer(); olc)
+                olc->Unregister(this);
             arg = this->GetPostDestroyArgument();
             this->Finalize(kernel);
         }
@@ -175,7 +176,7 @@ public:
 public:
     static void InitializeSlabHeap(KernelCore& kernel, void* memory, size_t memory_size) {
         kernel.SlabHeap<Derived>().Initialize(memory, memory_size);
-        kernel.ObjectListContainer().Initialize();
+        kernel.ObjectListContainer()->Initialize();
     }
 
     static Derived* Create(KernelCore& kernel) {
@@ -186,7 +187,7 @@ public:
     }
 
     static void Register(KernelCore& kernel, Derived* obj) {
-        return kernel.ObjectListContainer().Register(obj);
+        return kernel.ObjectListContainer()->Register(obj);
     }
 
     static size_t GetObjectSize(KernelCore& kernel) {

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

@@ -1,3 +1,6 @@
+// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
 // SPDX-FileCopyrightText: Copyright 2018 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
@@ -15,13 +18,9 @@ void LoopProcess(Core::System& system) {
     WindowSystem window_system(system);
     ButtonPoller button_poller(system, window_system);
     EventObserver event_observer(system, window_system);
-
     auto server_manager = std::make_unique<ServerManager>(system);
-
-    server_manager->RegisterNamedService(
-        "appletAE", std::make_shared<IAllSystemAppletProxiesService>(system, window_system));
-    server_manager->RegisterNamedService(
-        "appletOE", std::make_shared<IApplicationProxyService>(system, window_system));
+    server_manager->RegisterNamedService("appletAE", std::make_shared<IAllSystemAppletProxiesService>(system, window_system));
+    server_manager->RegisterNamedService("appletOE", std::make_shared<IApplicationProxyService>(system, window_system));
     ServerManager::RunServer(std::move(server_manager));
 }
 

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

@@ -26,24 +26,25 @@ EventObserver::EventObserver(Core::System& system, WindowSystem& window_system)
     m_window_system.SetEventObserver(this);
     m_wakeup_holder.SetUserData(static_cast<uintptr_t>(UserDataTag::WakeupEvent));
     m_wakeup_holder.LinkToMultiWait(std::addressof(m_multi_wait));
-    m_thread = std::jthread([this](std::stop_token stop_token) {
-        Common::SetCurrentThreadName("am:EventObserver");
+    system.Kernel().RunOnGuestCoreProcess("am:EventObserver", [this]() {
+        auto const stop_token = m_stop_source.get_token();
         while (!stop_token.stop_requested()) {
             auto* signaled_holder = this->WaitSignaled(stop_token);
-            if (!signaled_holder)
+            if (stop_token.stop_requested() || !signaled_holder)
                 break;
             this->Process(signaled_holder);
         }
+        m_process_cv.notify_one();
     });
 }
 
 EventObserver::~EventObserver() {
     // Signal thread and wait for processing to finish.
-    if (m_thread.joinable()) {
-        // Signal thread and wait for processing to finish.
-        m_thread.request_stop();
-        m_wakeup_event.Signal(m_system.Kernel());
-        m_thread.join();
+    m_stop_source.request_stop();
+    m_wakeup_event.Signal(m_system.Kernel());
+    {
+        std::unique_lock lk{m_process_mutex};
+        m_process_cv.wait(lk);
     }
 
     // Free remaining owned sessions.

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

@@ -6,6 +6,8 @@
 
 #pragma once
 
+#include <condition_variable>
+#include <stop_token>
 #include "common/polyfill_thread.h"
 #include "common/thread.h"
 #include "core/hle/service/kernel_helpers.h"
@@ -62,7 +64,9 @@ private:
     MultiWait m_deferred_wait_list;
 
     // Processing thread.
-    std::jthread m_thread{};
+    std::stop_source m_stop_source{};
+    std::mutex m_process_mutex;
+    std::condition_variable m_process_cv{};
 };
 
 } // namespace Service::AM

src/core/hle/service/glue/time/manager.cpp

@@ -1,4 +1,4 @@
-// SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
+// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
 // SPDX-License-Identifier: GPL-3.0-or-later
 
 // SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
@@ -90,10 +90,9 @@ static Service::PSC::Time::LocationName GetTimeZoneString(
 }
 
 TimeManager::TimeManager(Core::System& system)
-    : m_steady_clock_resource{system}, m_time_zone_binary{system}, m_worker{
-                                                                       system,
-                                                                       m_steady_clock_resource,
-                                                                       m_file_timestamp_worker} {
+    : m_steady_clock_resource{system}, m_time_zone_binary{system}
+    , m_worker{system, m_steady_clock_resource, m_file_timestamp_worker}
+{
     m_time_m =
         system.ServiceManager().GetService<Service::PSC::Time::ServiceManager>("time:m", true);
 

src/core/hle/service/glue/time/worker.cpp

@@ -20,15 +20,17 @@
 
 namespace Service::Glue::Time {
 
-TimeWorker::TimeWorker(Core::System& system, StandardSteadyClockResource& steady_clock_resource,
-                       FileTimestampWorker& file_timestamp_worker)
-    : m_system{system}, m_ctx{m_system, "Glue:TimeWorker"}, m_event{m_ctx.CreateEvent(
-                                                                "Glue:TimeWorker:Event")},
-      m_steady_clock_resource{steady_clock_resource},
-      m_file_timestamp_worker{file_timestamp_worker}, m_timer_steady_clock{m_ctx.CreateEvent(
-                                                          "Glue:TimeWorker:SteadyClockTimerEvent")},
-      m_timer_file_system{m_ctx.CreateEvent("Glue:TimeWorker:FileTimeTimerEvent")},
-      m_alarm_worker{m_system, m_steady_clock_resource}, m_pm_state_change_handler{m_alarm_worker} {
+TimeWorker::TimeWorker(Core::System& system, StandardSteadyClockResource& steady_clock_resource, FileTimestampWorker& file_timestamp_worker)
+    : m_system{system}
+    , m_ctx{m_system, "Glue:TimeWorker"}
+    , m_event{m_ctx.CreateEvent("Glue:TimeWorker:Event")}
+    , m_steady_clock_resource{steady_clock_resource}
+    , m_file_timestamp_worker{file_timestamp_worker}
+    , m_timer_steady_clock{m_ctx.CreateEvent("Glue:TimeWorker:SteadyClockTimerEvent")}
+    , m_timer_file_system{m_ctx.CreateEvent("Glue:TimeWorker:FileTimeTimerEvent")}
+    , m_alarm_worker{m_system, m_steady_clock_resource}
+    , m_pm_state_change_handler{m_alarm_worker}
+{
     m_timer_steady_clock_timing_event = Core::Timing::CreateEvent(
         "Time::SteadyClockEvent",
         [this](s64 time,
@@ -47,14 +49,16 @@ TimeWorker::TimeWorker(Core::System& system, StandardSteadyClockResource& steady
 }
 
 TimeWorker::~TimeWorker() {
+    // Wait for processing to stop
+    m_stop_source.request_stop();
     m_local_clock_event->Signal(m_system.Kernel());
     m_network_clock_event->Signal(m_system.Kernel());
     m_ephemeral_clock_event->Signal(m_system.Kernel());
-    std::this_thread::sleep_for(std::chrono::milliseconds(16));
-
-    m_thread.request_stop();
     m_event->Signal(m_system.Kernel());
-    m_thread.join();
+    {
+        std::unique_lock lk{m_process_mutex};
+        m_process_cv.wait(lk);
+    }
 
     m_ctx.CloseEvent(m_event);
     m_system.CoreTiming().UnscheduleEvent(m_timer_steady_clock_timing_event);
@@ -122,166 +126,162 @@ void TimeWorker::Initialize(std::shared_ptr<Service::PSC::Time::StaticService> t
 }
 
 void TimeWorker::StartThread() {
-    m_thread = std::jthread(std::bind_front(&TimeWorker::ThreadFunc, this));
-}
-
-void TimeWorker::ThreadFunc(std::stop_token stop_token) {
-    Common::SetCurrentThreadName("TimeWorker");
-    Common::SetCurrentThreadPriority(Common::ThreadPriority::Low);
-
-    while (!stop_token.stop_requested()) {
-        enum class EventType : s32 {
-            Exit = 0,
-            PowerStateChange = 1,
-            SignalAlarms = 2,
-            UpdateLocalSystemClock = 3,
-            UpdateNetworkSystemClock = 4,
-            UpdateEphemeralSystemClock = 5,
-            UpdateSteadyClock = 6,
-            UpdateFileTimestamp = 7,
-            AutoCorrect = 8,
-        };
-
-        s32 index{};
-
-        if (m_pm_state_change_handler.m_priority != 0) {
-            // TODO: gIPmModuleService::GetEvent() 1
-            index = WaitAny(m_system.Kernel(),
-                            &m_event->GetReadableEvent(), // 0
-                            &m_alarm_worker.GetEvent()    // 1
-            );
-        } else {
-            // TODO: gIPmModuleService::GetEvent() 1
-            index = WaitAny(m_system.Kernel(),
-                            &m_event->GetReadableEvent(),                       // 0
-                            &m_alarm_worker.GetEvent(),                         // 1
-                            &m_alarm_worker.GetTimerEvent().GetReadableEvent(), // 2
-                            m_local_clock_event,                                // 3
-                            m_network_clock_event,                              // 4
-                            m_ephemeral_clock_event,                            // 5
-                            &m_timer_steady_clock->GetReadableEvent(),          // 6
-                            &m_timer_file_system->GetReadableEvent(),           // 7
-                            m_standard_user_auto_correct_clock_event            // 8
-            );
-        }
-
-        switch (static_cast<EventType>(index)) {
-        case EventType::Exit:
-            return;
-
-        case EventType::PowerStateChange:
-            m_alarm_worker.GetEvent().Clear(m_system.Kernel());
-            if (m_pm_state_change_handler.m_priority <= 1) {
-                m_alarm_worker.OnPowerStateChanged();
+    m_system.Kernel().RunOnGuestCoreProcess("TimeWorker", [this]() {
+        auto const stop_token = m_stop_source.get_token();
+        while (!stop_token.stop_requested()) {
+            enum class EventType : s32 {
+                Exit = 0,
+                PowerStateChange = 1,
+                SignalAlarms = 2,
+                UpdateLocalSystemClock = 3,
+                UpdateNetworkSystemClock = 4,
+                UpdateEphemeralSystemClock = 5,
+                UpdateSteadyClock = 6,
+                UpdateFileTimestamp = 7,
+                AutoCorrect = 8,
+            };
+            s32 index{};
+            if (m_pm_state_change_handler.m_priority != 0) {
+                // TODO: gIPmModuleService::GetEvent() 1
+                index = WaitAny(
+                    m_system.Kernel(),
+                    &m_event->GetReadableEvent(), // 0
+                    &m_alarm_worker.GetEvent()    // 1
+                );
+            } else {
+                // TODO: gIPmModuleService::GetEvent() 1
+                index = WaitAny(
+                    m_system.Kernel(),
+                    &m_event->GetReadableEvent(),                       // 0
+                    &m_alarm_worker.GetEvent(),                         // 1
+                    &m_alarm_worker.GetTimerEvent().GetReadableEvent(), // 2
+                    m_local_clock_event,                                // 3
+                    m_network_clock_event,                              // 4
+                    m_ephemeral_clock_event,                            // 5
+                    &m_timer_steady_clock->GetReadableEvent(),          // 6
+                    &m_timer_file_system->GetReadableEvent(),           // 7
+                    m_standard_user_auto_correct_clock_event            // 8
+                );
             }
-            break;
 
-        case EventType::SignalAlarms:
-            m_alarm_worker.GetTimerEvent().Clear(m_system.Kernel());
-            m_time_m->CheckAndSignalAlarms();
-            break;
+            if (stop_token.stop_requested())
+                break;
 
-        case EventType::UpdateLocalSystemClock: {
-            m_local_clock_event->Clear(m_system.Kernel());
+            switch (EventType(index)) {
+            case EventType::Exit:
+                return;
 
-            Service::PSC::Time::SystemClockContext context{};
-            R_ASSERT(m_local_clock->GetSystemClockContext(&context));
+            case EventType::PowerStateChange:
+                m_alarm_worker.GetEvent().Clear(m_system.Kernel());
+                if (m_pm_state_change_handler.m_priority <= 1) {
+                    m_alarm_worker.OnPowerStateChanged();
+                }
+                break;
 
-            m_set_sys->SetUserSystemClockContext(context);
-            m_file_timestamp_worker.SetFilesystemPosixTime();
-            break;
-        }
+            case EventType::SignalAlarms:
+                m_alarm_worker.GetTimerEvent().Clear(m_system.Kernel());
+                m_time_m->CheckAndSignalAlarms();
+                break;
 
-        case EventType::UpdateNetworkSystemClock: {
-            m_network_clock_event->Clear(m_system.Kernel());
+            case EventType::UpdateLocalSystemClock: {
+                m_local_clock_event->Clear(m_system.Kernel());
 
-            Service::PSC::Time::SystemClockContext context{};
-            R_ASSERT(m_network_clock->GetSystemClockContext(&context));
+                Service::PSC::Time::SystemClockContext context{};
+                R_ASSERT(m_local_clock->GetSystemClockContext(&context));
 
-            m_set_sys->SetNetworkSystemClockContext(context);
-
-            s64 time{};
-            if (m_network_clock->GetCurrentTime(&time) != ResultSuccess) {
+                m_set_sys->SetUserSystemClockContext(context);
+                m_file_timestamp_worker.SetFilesystemPosixTime();
                 break;
             }
 
-            [[maybe_unused]] auto offset_before{
-                m_ig_report_network_clock_context_set ? m_report_network_clock_context.offset : 0};
-            // TODO system report "standard_netclock_operation"
-            //              "clock_time" = time
-            //              "context_offset_before" = offset_before
-            //              "context_offset_after"  = context.offset
-            m_report_network_clock_context = context;
-            if (!m_ig_report_network_clock_context_set) {
-                m_ig_report_network_clock_context_set = true;
-            }
+            case EventType::UpdateNetworkSystemClock: {
+                m_network_clock_event->Clear(m_system.Kernel());
 
-            m_file_timestamp_worker.SetFilesystemPosixTime();
-            break;
-        }
+                Service::PSC::Time::SystemClockContext context{};
+                R_ASSERT(m_network_clock->GetSystemClockContext(&context));
 
-        case EventType::UpdateEphemeralSystemClock: {
-            m_ephemeral_clock_event->Clear(m_system.Kernel());
+                m_set_sys->SetNetworkSystemClockContext(context);
 
-            Service::PSC::Time::SystemClockContext context{};
-            auto res = m_ephemeral_clock->GetSystemClockContext(&context);
-            if (res != ResultSuccess) {
+                s64 time{};
+                if (m_network_clock->GetCurrentTime(&time) != ResultSuccess) {
+                    break;
+                }
+
+                [[maybe_unused]] auto offset_before{
+                    m_ig_report_network_clock_context_set ? m_report_network_clock_context.offset : 0};
+                // TODO system report "standard_netclock_operation"
+                //              "clock_time" = time
+                //              "context_offset_before" = offset_before
+                //              "context_offset_after"  = context.offset
+                m_report_network_clock_context = context;
+                if (!m_ig_report_network_clock_context_set) {
+                    m_ig_report_network_clock_context_set = true;
+                }
+
+                m_file_timestamp_worker.SetFilesystemPosixTime();
                 break;
             }
 
-            s64 time{};
-            res = m_ephemeral_clock->GetCurrentTime(&time);
-            if (res != ResultSuccess) {
+            case EventType::UpdateEphemeralSystemClock: {
+                m_ephemeral_clock_event->Clear(m_system.Kernel());
+
+                Service::PSC::Time::SystemClockContext context{};
+                auto res = m_ephemeral_clock->GetSystemClockContext(&context);
+                if (res != ResultSuccess) {
+                    break;
+                }
+
+                s64 time{};
+                res = m_ephemeral_clock->GetCurrentTime(&time);
+                if (res != ResultSuccess) {
+                    break;
+                }
+
+                [[maybe_unused]] auto offset_before{m_ig_report_ephemeral_clock_context_set
+                                                        ? m_report_ephemeral_clock_context.offset
+                                                        : 0};
+                // TODO system report "ephemeral_netclock_operation"
+                //              "clock_time" = time
+                //              "context_offset_before" = offset_before
+                //              "context_offset_after"  = context.offset
+                m_report_ephemeral_clock_context = context;
+                if (!m_ig_report_ephemeral_clock_context_set) {
+                    m_ig_report_ephemeral_clock_context_set = true;
+                }
                 break;
             }
 
-            [[maybe_unused]] auto offset_before{m_ig_report_ephemeral_clock_context_set
-                                                    ? m_report_ephemeral_clock_context.offset
-                                                    : 0};
-            // TODO system report "ephemeral_netclock_operation"
-            //              "clock_time" = time
-            //              "context_offset_before" = offset_before
-            //              "context_offset_after"  = context.offset
-            m_report_ephemeral_clock_context = context;
-            if (!m_ig_report_ephemeral_clock_context_set) {
-                m_ig_report_ephemeral_clock_context_set = true;
+            case EventType::UpdateSteadyClock:
+                m_timer_steady_clock->Clear(m_system.Kernel());
+
+                m_steady_clock_resource.UpdateTime();
+                m_time_m->SetStandardSteadyClockBaseTime(m_steady_clock_resource.GetTime());
+                break;
+
+            case EventType::UpdateFileTimestamp:
+                m_timer_file_system->Clear(m_system.Kernel());
+                m_file_timestamp_worker.SetFilesystemPosixTime();
+                break;
+
+            case EventType::AutoCorrect: {
+                m_standard_user_auto_correct_clock_event->Clear(m_system.Kernel());
+
+                bool automatic_correction{};
+                R_ASSERT(m_time_sm->IsStandardUserSystemClockAutomaticCorrectionEnabled(&automatic_correction));
+
+                Service::PSC::Time::SteadyClockTimePoint time_point{};
+                R_ASSERT(m_time_sm->GetStandardUserSystemClockAutomaticCorrectionUpdatedTime(&time_point));
+
+                m_set_sys->SetUserSystemClockAutomaticCorrectionEnabled(automatic_correction);
+                m_set_sys->SetUserSystemClockAutomaticCorrectionUpdatedTime(time_point);
+                break;
+            }
+            default:
+                UNREACHABLE();
             }
-            break;
         }
-
-        case EventType::UpdateSteadyClock:
-            m_timer_steady_clock->Clear(m_system.Kernel());
-
-            m_steady_clock_resource.UpdateTime();
-            m_time_m->SetStandardSteadyClockBaseTime(m_steady_clock_resource.GetTime());
-            break;
-
-        case EventType::UpdateFileTimestamp:
-            m_timer_file_system->Clear(m_system.Kernel());
-
-            m_file_timestamp_worker.SetFilesystemPosixTime();
-            break;
-
-        case EventType::AutoCorrect: {
-            m_standard_user_auto_correct_clock_event->Clear(m_system.Kernel());
-
-            bool automatic_correction{};
-            R_ASSERT(m_time_sm->IsStandardUserSystemClockAutomaticCorrectionEnabled(
-                &automatic_correction));
-
-            Service::PSC::Time::SteadyClockTimePoint time_point{};
-            R_ASSERT(
-                m_time_sm->GetStandardUserSystemClockAutomaticCorrectionUpdatedTime(&time_point));
-
-            m_set_sys->SetUserSystemClockAutomaticCorrectionEnabled(automatic_correction);
-            m_set_sys->SetUserSystemClockAutomaticCorrectionUpdatedTime(time_point);
-            break;
-        }
-
-        default:
-            UNREACHABLE();
-        }
-    }
+        m_process_cv.notify_one();
+    });
 }
 
 } // namespace Service::Glue::Time

src/core/hle/service/glue/time/worker.h

@@ -1,8 +1,12 @@
+// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
 // SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
 #pragma once
 
+#include <condition_variable>
 #include "common/common_types.h"
 #include "core/hle/kernel/k_event.h"
 #include "core/hle/service/glue/time/alarm_worker.h"
@@ -33,17 +37,17 @@ public:
 
     void StartThread();
 
-private:
     template <typename T>
     T GetSettingsItemValue(const std::string& category, const std::string& name);
 
-    void ThreadFunc(std::stop_token stop_token);
-
     Core::System& m_system;
     KernelHelpers::ServiceContext m_ctx;
     std::shared_ptr<Service::Set::ISystemSettingsServer> m_set_sys;
 
-    std::jthread m_thread;
+    std::mutex m_process_mutex;
+    std::condition_variable m_process_cv;
+    std::stop_source m_stop_source;
+
     Kernel::KEvent* m_event{};
     std::shared_ptr<Service::PSC::Time::ServiceManager> m_time_m;
     std::shared_ptr<Service::PSC::Time::StaticService> m_time_sm;

src/core/hle/service/server_manager.cpp

@@ -98,8 +98,10 @@ ServerManager::~ServerManager() {
     // Signal stop.
     m_stop_source.request_stop();
     m_wakeup_event->Signal(m_system.Kernel());
+    if (m_deferral_event) m_deferral_event->Signal(m_system.Kernel()); //for sm: and ports
 
-    // Wait for processing to stop.
+
+    // Wait for processing to stop. Schedule
     m_stopped.Wait();
     m_threads.clear();
 
@@ -253,6 +255,14 @@ void ServerManager::StartAdditionalHostThreads(const char* name, size_t num_thre
     }
 }
 
+/// @brief Notifies that the system is shutting down (pre-emptively terminate threads)
+void ServerManager::NotifyShutdown() {
+    m_stop_source.request_stop();
+    // Wake them up regardless
+    m_wakeup_event->Signal(m_system.Kernel());
+    if (m_deferral_event) m_deferral_event->Signal(m_system.Kernel()); //for sm: and ports
+}
+
 Result ServerManager::LoopProcess() {
     SCOPE_EXIT {
         m_stopped.Set();
@@ -285,9 +295,8 @@ MultiWaitHolder* ServerManager::WaitSignaled() {
         this->LinkDeferred();
 
         // If we're done, return before we start waiting.
-        if (m_stop_source.stop_requested()) {
+        if (m_stop_source.stop_requested())
             return nullptr;
-        }
 
         auto* selected = m_multi_wait.WaitAny(m_system.Kernel());
         if (selected == std::addressof(*m_wakeup_holder)) {

src/core/hle/service/server_manager.h

@@ -1,3 +1,6 @@
+// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
 // SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
@@ -49,6 +52,7 @@ public:
 
     Result LoopProcess();
     void StartAdditionalHostThreads(const char* name, size_t num_threads);
+    void NotifyShutdown();
 
     static void RunServer(std::unique_ptr<ServerManager>&& server);
 

src/core/hle/service/services.cpp

@@ -117,7 +117,6 @@ Services::Services(std::shared_ptr<SM::ServiceManager>& sm, Core::System& system
         {"friends",    &Friend::LoopProcess},
         {"settings",   &Set::LoopProcess},
         {"psc",        &PSC::LoopProcess},
-        {"glue",       &Glue::LoopProcess},
         {"grc",        &GRC::LoopProcess},
         {"hid",        &HID::LoopProcess},
         {"jit",        &JIT::LoopProcess},
@@ -153,6 +152,7 @@ Services::Services(std::shared_ptr<SM::ServiceManager>& sm, Core::System& system
         {"usb",        &USB::LoopProcess},
         {"i2c",        &I2C::LoopProcess},
         {"gpio",        &GPIO::LoopProcess},
+        {"glue",       &Glue::LoopProcess},
     })
         kernel.RunOnGuestCoreProcess(std::string(e.first), [&system, f = e.second] { f(system); });
 }

src/core/hle/service/sm/sm.cpp

@@ -305,16 +305,14 @@ SM::SM(ServiceManager& service_manager_, Core::System& system_)
 SM::~SM() = default;
 
 void LoopProcess(Core::System& system) {
-    auto& service_manager = system.ServiceManager();
     auto server_manager = std::make_unique<ServerManager>(system);
-
     Kernel::KEvent* deferral_event{};
     server_manager->ManageDeferral(&deferral_event);
-    service_manager.SetDeferralEvent(deferral_event);
-
+    system.ServiceManager().SetDeferralEvent(deferral_event);
     auto sm_service = std::make_shared<SM>(system.ServiceManager(), system);
-    server_manager->ManageNamedPort("sm:", [sm_service] { return sm_service; });
-
+    server_manager->ManageNamedPort("sm:", [sm_service] {
+        return sm_service;
+    });
     ServerManager::RunServer(std::move(server_manager));
 }
 

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

@@ -11,6 +11,7 @@
 #include "common/thread.h"
 #include "core/core.h"
 #include "core/core_timing.h"
+#include "core/hle/kernel/kernel.h"
 #include "core/hle/service/vi/conductor.h"
 #include "core/hle/service/vi/container.h"
 #include "core/hle/service/vi/display_list.h"
@@ -29,24 +30,29 @@ Conductor::Conductor(Core::System& system, Container& container, DisplayList& di
     });
 
     if (system.IsMulticore()) {
-        m_event = Core::Timing::CreateEvent(
-            "ScreenComposition",
-            [this](s64 time,
-                   std::chrono::nanoseconds ns_late) -> std::optional<std::chrono::nanoseconds> {
-                m_signal.Set();
-                return std::chrono::nanoseconds(this->GetNextTicks());
-            });
+        m_event = Core::Timing::CreateEvent("ScreenComposition", [this](s64 time, std::chrono::nanoseconds ns_late) -> std::optional<std::chrono::nanoseconds> {
+            m_signal.Set();
+            return std::chrono::nanoseconds(this->GetNextTicks());
+        });
 
         system.CoreTiming().ScheduleLoopingEvent(FrameNs, FrameNs, m_event);
-        m_thread = std::jthread([this](std::stop_token token) { this->VsyncThread(token); });
-    } else {
-        m_event = Core::Timing::CreateEvent(
-            "ScreenComposition",
-            [this](s64 time,
-                   std::chrono::nanoseconds ns_late) -> std::optional<std::chrono::nanoseconds> {
+        m_thread = system.Kernel().RunOnHostCoreThread("VSyncThread", [this]() {
+            auto const stop_token = m_thread.get_stop_token();
+            Common::SetCurrentThreadPriority(Common::ThreadPriority::VeryHigh);
+            Common::SetCurrentThreadToPerformanceCores();
+            while (!stop_token.stop_requested()) {
+                m_signal.Wait();
+                if (stop_token.stop_requested() || m_system.IsShuttingDown()) {
+                    break;
+                }
                 this->ProcessVsync();
-                return std::chrono::nanoseconds(this->GetNextTicks());
-            });
+            }
+        });
+    } else {
+        m_event = Core::Timing::CreateEvent("ScreenComposition", [this](s64 time, std::chrono::nanoseconds ns_late) -> std::optional<std::chrono::nanoseconds> {
+            this->ProcessVsync();
+            return std::chrono::nanoseconds(this->GetNextTicks());
+        });
 
         system.CoreTiming().ScheduleLoopingEvent(FrameNs, FrameNs, m_event);
     }
@@ -54,10 +60,10 @@ Conductor::Conductor(Core::System& system, Container& container, DisplayList& di
 
 Conductor::~Conductor() {
     m_system.CoreTiming().UnscheduleEvent(m_event);
-
-    if (m_system.IsMulticore()) {
+    if (m_thread.joinable()) {
         m_thread.request_stop();
         m_signal.Set();
+        m_thread.join();
     }
 }
 
@@ -83,22 +89,6 @@ void Conductor::ProcessVsync() {
     }
 }
 
-void Conductor::VsyncThread(std::stop_token token) {
-    Common::SetCurrentThreadName("VSyncThread");
-    Common::SetCurrentThreadPriority(Common::ThreadPriority::VeryHigh);
-    Common::SetCurrentThreadToPerformanceCores();
-
-    while (!token.stop_requested()) {
-        m_signal.Wait();
-
-        if (m_system.IsShuttingDown()) {
-            return;
-        }
-
-        this->ProcessVsync();
-    }
-}
-
 s64 Conductor::GetNextTicks() const {
     const auto& settings = Settings::values;
     auto speed_scale = 1.f;

src/core/loader/loader.cpp

@@ -10,7 +10,6 @@
 #include <string>
 #include <concepts>
 #include <algorithm>
-#include <boost/algorithm/string/case_conv.hpp>
 #include "common/concepts.h"
 #include "common/fs/path_util.h"
 #include "common/logging.h"
@@ -171,7 +170,8 @@ FileType GuessFromFilename(const std::string& name) {
     else if (name == "00")
         return FileType::NCA;
 
-    auto const extension = boost::algorithm::to_lower_copy(std::string(Common::FS::GetExtensionFromFilename(name)));
+    auto const extension =
+        Common::ToLower(std::string(Common::FS::GetExtensionFromFilename(name)));
     if (extension == "nro")
         return FileType::NRO;
     else if (extension == "nso")

src/core/memory/dmnt_cheat_vm.cpp

@@ -1,6 +1,15 @@
+// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
 // SPDX-FileCopyrightText: Copyright 2019 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
+// gcc14 bug
+#ifdef __GNUC__
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wmaybe-uninitialized"
+#endif
+
 #include "common/assert.h"
 #include "common/scope_exit.h"
 #include "core/memory/dmnt_cheat_types.h"
@@ -1266,3 +1275,8 @@ void DmntCheatVm::Execute(const CheatProcessMetadata& metadata) {
 }
 
 } // namespace Core::Memory
+
+
+#ifdef __GNUC__
+#pragma GCC diagnostic pop
+#endif

src/core/memory/dmnt_cheat_vm.h

@@ -1,4 +1,4 @@
-// SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
+// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
 // SPDX-License-Identifier: GPL-3.0-or-later
 
 // SPDX-FileCopyrightText: Copyright 2019 yuzu Emulator Project
@@ -254,14 +254,16 @@ struct UnrecognizedInstruction {
 
 struct CheatVmOpcode {
     bool begin_conditional_block{};
-    std::variant<StoreStaticOpcode, BeginConditionalOpcode, EndConditionalOpcode, ControlLoopOpcode,
-                 LoadRegisterStaticOpcode, LoadRegisterMemoryOpcode, StoreStaticToAddressOpcode,
-                 PerformArithmeticStaticOpcode, BeginKeypressConditionalOpcode,
-                 PerformArithmeticRegisterOpcode, StoreRegisterToAddressOpcode,
-                 BeginRegisterConditionalOpcode, SaveRestoreRegisterOpcode,
-                 SaveRestoreRegisterMaskOpcode, ReadWriteStaticRegisterOpcode, PauseProcessOpcode,
-                 ResumeProcessOpcode, DebugLogOpcode, UnrecognizedInstruction>
-        opcode{};
+    std::variant<
+        std::monostate,
+        StoreStaticOpcode, BeginConditionalOpcode, EndConditionalOpcode, ControlLoopOpcode,
+        LoadRegisterStaticOpcode, LoadRegisterMemoryOpcode, StoreStaticToAddressOpcode,
+        PerformArithmeticStaticOpcode, BeginKeypressConditionalOpcode,
+        PerformArithmeticRegisterOpcode, StoreRegisterToAddressOpcode,
+        BeginRegisterConditionalOpcode, SaveRestoreRegisterOpcode,
+        SaveRestoreRegisterMaskOpcode, ReadWriteStaticRegisterOpcode, PauseProcessOpcode,
+        ResumeProcessOpcode, DebugLogOpcode, UnrecognizedInstruction
+    > opcode{};
 };
 
 class DmntCheatVm {

src/dedicated_room/yuzu_room.cpp

@@ -14,7 +14,6 @@
 #include <regex>
 #include <string>
 #include <thread>
-#include <boost/algorithm/string/trim.hpp>
 
 #ifdef _WIN32
 // windows.h needs to be included before shellapi.h
@@ -133,7 +132,7 @@ static Network::Room::BanList LoadBanList(const std::string& path) {
         std::string line;
         std::getline(file, line);
         line.erase(std::remove(line.begin(), line.end(), '\0'), line.end());
-        boost::trim(line);
+        line = Common::StripSpaces(line);
         if (line.empty()) {
             // An empty line marks start of the IP ban list
             ban_list_type = true;

src/dynarmic/src/dynarmic/backend/x64/emit_x64_memory.h

@@ -170,13 +170,19 @@ template<>
 
     // check for marked bit, use as unmapped if marked
     if (ctx.conf.page_table_marked_bit) {
-        code.bt(page, *ctx.conf.page_table_marked_bit);
-        code.jc(abort, code.T_NEAR);
+        auto const marked_bit = *ctx.conf.page_table_marked_bit;
+        if (s64(s32(1 << marked_bit)) == s64(1 << marked_bit)) {
+            code.test(page, s32(1 << marked_bit));
+            code.jnz(abort, code.T_NEAR);
+        } else {
+            code.bt(page, marked_bit);
+            code.jc(abort, code.T_NEAR);
+        }
     }
     // mask away attributes
     if (ctx.conf.page_table_pointer_mask == 0) {
         code.test(page, page);
-    } else if (std::in_range<s32>(ctx.conf.page_table_pointer_mask)) {
+    } else if (s64(s32(ctx.conf.page_table_pointer_mask)) == s64(ctx.conf.page_table_pointer_mask)) {
         code.and_(page, ctx.conf.page_table_pointer_mask);
     } else {
         code.mov(tmp, ctx.conf.page_table_pointer_mask);

src/hid_core/resources/abstracted_pad/abstract_button_handler.cpp

@@ -79,8 +79,10 @@ void NpadAbstractButtonHandler::UpdateAllButtonLifo() {
     Core::HID::NpadIdType npad_id = properties_handler->GetNpadId();
     for (std::size_t i = 0; i < AruidIndexMax; i++) {
         auto* data = applet_resource_holder->applet_resource->GetAruidDataByIndex(i);
-        auto& npad_entry = data->shared_memory_format->npad.npad_entry[NpadIdTypeToIndex(npad_id)];
-        UpdateButtonLifo(npad_entry, data->aruid);
+        if (auto const shfmt = data->shared_memory_format; shfmt) {
+            auto& npad_entry = shfmt->npad.npad_entry[NpadIdTypeToIndex(npad_id)];
+            UpdateButtonLifo(npad_entry, data->aruid);
+        }
     }
 }
 
@@ -88,19 +90,19 @@ void NpadAbstractButtonHandler::UpdateCoreBatteryState() {
     Core::HID::NpadIdType npad_id = properties_handler->GetNpadId();
     for (std::size_t i = 0; i < AruidIndexMax; i++) {
         auto* data = applet_resource_holder->applet_resource->GetAruidDataByIndex(i);
-        auto& npad_entry = data->shared_memory_format->npad.npad_entry[NpadIdTypeToIndex(npad_id)];
-        UpdateButtonLifo(npad_entry, data->aruid);
+        if (auto const shfmt = data->shared_memory_format; shfmt) {
+            auto& npad_entry = shfmt->npad.npad_entry[NpadIdTypeToIndex(npad_id)];
+            UpdateButtonLifo(npad_entry, data->aruid);
+        }
     }
 }
 
 void NpadAbstractButtonHandler::UpdateButtonState(u64 aruid) {
     Core::HID::NpadIdType npad_id = properties_handler->GetNpadId();
-    auto* data = applet_resource_holder->applet_resource->GetAruidData(aruid);
-    if (data == nullptr) {
-        return;
+    if (auto data = applet_resource_holder->applet_resource->GetAruidData(aruid); data) {
+        auto& npad_entry = data->shared_memory_format->npad.npad_entry[NpadIdTypeToIndex(npad_id)];
+        UpdateButtonLifo(npad_entry, aruid);
     }
-    auto& npad_entry = data->shared_memory_format->npad.npad_entry[NpadIdTypeToIndex(npad_id)];
-    UpdateButtonLifo(npad_entry, aruid);
 }
 
 Result NpadAbstractButtonHandler::SetHomeProtection(bool is_enabled, u64 aruid) {

src/qt_common/discord/discord_impl.cpp

@@ -8,7 +8,6 @@
 #include <string>
 
 #include <QEventLoop>
-#include <boost/algorithm/string/case_conv.hpp>
 #include <boost/algorithm/string/replace.hpp>
 #include "common/httplib.h"
 
@@ -46,7 +45,7 @@ void DiscordImpl::Pause() {
 
 std::string DiscordImpl::GetGameString(const std::string& title) {
     // Convert to lowercase
-    std::string icon_name = boost::algorithm::to_lower_copy(title);
+    std::string icon_name = Common::ToLower(title);
 
     // Replace spaces with dashes
     std::replace(icon_name.begin(), icon_name.end(), ' ', '-');

src/qt_common/render/emu_thread.cpp

@@ -66,14 +66,17 @@ void EmuThread::run() {
         } else {
             QtCommon::system->Pause();
             m_stopped.Set();
-
             EmulationPaused(lk);
-            m_should_run_cv.wait(lk, stop_token, [&] { return m_should_run; });
+            m_should_run_cv.wait(lk, stop_token, [&] {
+                return m_should_run;
+            });
             EmulationResumed(lk);
         }
     }
 
     // Shutdown the main emulated process
+    // Needs to pause first, we may not have paused before shutting down.
+    QtCommon::system->Pause();
     QtCommon::system->DetachDebugger();
     QtCommon::system->ShutdownMainProcess();
 }

src/shader_recompiler/backend/spirv/emit_spirv.cpp

@@ -496,31 +496,30 @@ void SetupCapabilities(const Profile& profile, const Info& info, EmitContext& ct
 }
 
 void PatchPhiNodes(IR::Program& program, EmitContext& ctx) {
-            // Flatten all leading PHIs from each block into a vector
-            std::vector<IR::Inst*> phi_instructions;
-            for (IR::Block* block : program.blocks) {
-                for (auto it = block->begin(); it != block->end(); ++it) {
-                    if (it->GetOpcode() != IR::Opcode::Phi)
-                        break;
-                    phi_instructions.push_back(&*it);
-                }
-            }
-
-            if (phi_instructions.empty()) {
-                return; // nothing to patch
-            }
-
-            // Start "before" first PHI; advance on phi_arg == 0
-            size_t phi_index = static_cast<size_t>(-1);
-
-            ctx.PatchDeferredPhi([&](size_t phi_arg, Id parent) -> std::pair<Id, Id> {
-                if (phi_arg == 0) {
-                    ++phi_index;
-                }
-                IR::Inst* phi = phi_instructions[phi_index];
-                return { ctx.Def(phi->Arg(phi_arg)), parent };
-            });
+    // Flatten all leading PHIs from each block into a vector
+    std::vector<IR::Inst*> phi_instructions;
+    for (IR::Block* block : program.blocks) {
+        for (auto it = block->begin(); it != block->end(); ++it) {
+            if (it->GetOpcode() != IR::Opcode::Phi)
+                break;
+            phi_instructions.push_back(&*it);
         }
+    }
+
+    if (phi_instructions.empty()) {
+        return; // nothing to patch
+    }
+
+    // Start "before" first PHI; advance on phi_arg == 0
+    size_t phi_index = size_t(-1);
+    ctx.PatchDeferredPhi([&ctx, &phi_index, phi_insts = std::move(phi_instructions)](size_t phi_arg, Id parent) -> std::pair<Id, Id> {
+        if (phi_arg == 0) {
+            ++phi_index;
+        }
+        IR::Inst* phi = phi_insts[phi_index];
+        return { ctx.Def(phi->Arg(phi_arg)), parent };
+    });
+}
 } // Anonymous namespace
 
 std::vector<u32> EmitSPIRV(const Profile& profile, const RuntimeInfo& runtime_info, IR::Program& program, Bindings& bindings) {

src/video_core/renderer_opengl/gl_staging_buffer_pool.cpp

@@ -1,4 +1,4 @@
-// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
+// SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
 // SPDX-License-Identifier: GPL-3.0-or-later
 
 // SPDX-FileCopyrightText: Copyright 2021 yuzu Emulator Project
@@ -55,7 +55,7 @@ size_t StagingBuffers::RequestBuffer(size_t requested_size) {
     }
     StagingBufferAlloc alloc;
     alloc.buffer.Create();
-    const auto next_pow2_size = std::bit_ceil(requested_size);
+    const auto next_pow2_size = Common::NextPow2(requested_size);
     glNamedBufferStorage(alloc.buffer.handle, next_pow2_size, nullptr,
                          storage_flags | GL_MAP_PERSISTENT_BIT);
     alloc.map = static_cast<u8*>(glMapNamedBufferRange(alloc.buffer.handle, 0, next_pow2_size,

src/video_core/renderer_opengl/gl_texture_cache.cpp

@@ -1404,7 +1404,7 @@ void FormatConversionPass::ConvertImage(Image& dst_image, Image& src_image,
         const u32 copy_size = region.width * region.height * region.depth * img_bpp;
         if (pbo_size < copy_size) {
             intermediate_pbo.Create();
-            pbo_size = std::bit_ceil(copy_size);
+            pbo_size = Common::NextPow2(copy_size);
             glNamedBufferData(intermediate_pbo.handle, pbo_size, nullptr, GL_STREAM_COPY);
         }
         // Copy from source to PBO

src/video_core/renderer_vulkan/vk_texture_cache.cpp

@@ -1011,7 +1011,7 @@ VkBuffer TextureCacheRuntime::GetTemporaryBuffer(size_t needed_size) {
     if (buffers[level]) {
         return *buffers[level];
     }
-    const auto new_size = std::bit_ceil(needed_size);
+    const auto new_size = Common::NextPow2(needed_size);
     static constexpr VkBufferUsageFlags flags =
         VK_BUFFER_USAGE_TRANSFER_SRC_BIT | VK_BUFFER_USAGE_TRANSFER_DST_BIT |
         VK_BUFFER_USAGE_UNIFORM_TEXEL_BUFFER_BIT | VK_BUFFER_USAGE_STORAGE_TEXEL_BUFFER_BIT;

src/video_core/texture_cache/texture_cache.h

@@ -2190,7 +2190,7 @@ void TextureCache<P>::UnregisterImage(ImageId image_id) {
     image.flags &= ~ImageFlagBits::BadOverlap;
     lru_cache.Free(image.lru_index);
     const auto& clear_page_table =
-        [image_id](u64 page, ::Common::unordered_map<u64, std::vector<ImageId>>& selected_page_table) {
+        [image_id](u64 page, ::Common::unordered_map<u64, std::vector<ImageId>, Common::IdentityHash<u64>>& selected_page_table) {
             const auto page_it = selected_page_table.find(page);
             if (page_it == selected_page_table.end()) {
                 ASSERT_MSG(false, "Unregistering unregistered page={:#x}", page << YUZU_PAGEBITS);

src/video_core/texture_cache/texture_cache_base.h

@@ -22,6 +22,7 @@
 #include <queue>
 
 #include "common/common_types.h"
+#include "common/hash.h"
 #include "common/literals.h"
 #include "common/lru_cache.h"
 #include <ranges>
@@ -68,7 +69,7 @@ struct AsyncDecodeContext {
     std::atomic_bool complete;
 };
 
-using TextureCacheGPUMap = ::Common::unordered_map<u64, std::vector<ImageId>>;
+using TextureCacheGPUMap = ::Common::unordered_map<u64, std::vector<ImageId>, Common::IdentityHash<u64>>;
 
 class TextureCacheChannelInfo : public ChannelInfo {
 public:
@@ -442,7 +443,7 @@ private:
     u64 last_framebuffer_serial = 0;
 
     ::Common::unordered_map<RenderTargets, FramebufferId> framebuffers;
-    ::Common::unordered_map<u64, std::vector<ImageMapId>> page_table;
+    ::Common::unordered_map<u64, std::vector<ImageMapId>, Common::IdentityHash<u64>> page_table;
     ::Common::unordered_map<ImageId, boost::container::small_vector<ImageViewId, 16>> sparse_views;
 
     DAddr virtual_invalid_space{};

src/yuzu_headless/main.cpp

@@ -0,0 +1,122 @@
+// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+// SPDX-FileCopyrightText: 2014 Citra Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include <chrono>
+#include <iostream>
+#include <memory>
+#include <mutex>
+#include <regex>
+#include <string>
+
+#include "common/logging.h"
+#include "common/settings.h"
+#include "core/core.h"
+#include "core/cpu_manager.h"
+#include "core/file_sys/registered_cache.h"
+#include "core/file_sys/vfs/vfs_real.h"
+#include "core/hle/service/am/applet_manager.h"
+#include "core/hle/service/filesystem/filesystem.h"
+#include "core/loader/loader.h"
+#include "frontend_common/config.h"
+#include "input_common/main.h"
+#include "video_core/gpu.h"
+#include "video_core/renderer_base.h"
+#include "yuzu_cmd/emu_window/emu_window_sdl3.h"
+#include "yuzu_cmd/emu_window/emu_window_sdl3_null.h"
+#include "yuzu_cmd/emu_window/emu_window_sdl3_vk.h"
+
+class EmuWindow_Headless : public Core::Frontend::EmuWindow {
+public:
+    explicit EmuWindow_Headless() = default;
+    ~EmuWindow_Headless() = default;
+
+    bool IsShown() const override {
+        return true;
+    }
+    void OnMinimalClientAreaChangeRequest(std::pair<u32, u32> minimal_size) override {
+
+    }
+    std::unique_ptr<Core::Frontend::GraphicsContext> CreateSharedContext() const override {
+        return std::make_unique<DummyContext>();
+    }
+};
+
+int main(int argc, char *argv[]) {
+    struct {
+        Core::System system{};
+        EmuWindow_Headless emu_window{};
+    } state = {};
+
+    Common::Log::Initialize();
+    Common::Log::SetColorConsoleBackendEnabled(true);
+    Common::Log::Start();
+
+    if (argc < 2) {
+        LOG_CRITICAL(Frontend, "Usage: {} [ms-to-run] [file]", argv[0]);
+        return EXIT_FAILURE;
+    }
+
+    std::chrono::milliseconds time_quanta = std::chrono::milliseconds{atoi(argv[1])};
+    auto const time_end = std::chrono::steady_clock::now() + time_quanta;
+    std::string filepath = argv[2];
+
+    // apply the log_filter setting
+    // the logger was initialized before and doesn't pick up the filter on its own
+    Common::Log::Filter filter;
+    filter.ParseFilterString("*:Info");
+    Common::Log::SetGlobalFilter(filter);
+
+    if (filepath.empty()) {
+        LOG_CRITICAL(Frontend, "Failed to load ROM: No ROM specified");
+        return EXIT_FAILURE;
+    }
+
+    state.system.Initialize();
+
+    InputCommon::InputSubsystem input_subsystem{};
+
+    // Apply the command line arguments
+    state.system.ApplySettings();
+    Settings::values.renderer_backend.SetValue(Settings::RendererBackend::Null);
+
+    state.system.SetContentProvider(std::make_unique<FileSys::ContentProviderUnion>());
+    state.system.SetFilesystem(std::make_shared<FileSys::RealVfsFilesystem>());
+    state.system.GetFileSystemController().CreateFactories(*state.system.GetFilesystem());
+    state.system.GetUserChannel().clear();
+
+    Service::AM::FrontendAppletParameters load_parameters{
+        .applet_id = Service::AM::AppletId::Application,
+    };
+    if (auto const load_result = state.system.Load(state.emu_window, filepath, load_parameters); load_result != Core::SystemResultStatus::Success) {
+        LOG_CRITICAL(Frontend, "load result = {}", u32(load_result));
+        // shutdown
+        void(state.system.Pause());
+        state.system.DetachDebugger();
+        state.system.ShutdownMainProcess();
+        return EXIT_FAILURE;
+    }
+    // Core is loaded, start the GPU (makes the GPU contexts current to this thread)
+    state.system.GPU().Start();
+    state.system.GetCpuManager().OnGpuReady();
+    // don't do anything, SDL3 already exists for us :D
+    state.system.RegisterExitCallback([] {});
+    void(state.system.Run());
+    if (state.system.DebuggerEnabled())
+        state.system.InitializeDebugger();
+    while (state.system.IsPoweredOn() && !state.system.GetExitRequested()) {
+        auto const time_now = std::chrono::steady_clock::now();
+        if (time_now > time_end)
+            break;
+    }
+    // shutdown
+    void(state.system.Pause());
+    state.system.DetachDebugger();
+    state.system.ShutdownMainProcess();
+    return EXIT_SUCCESS;
+}
+
+#define VMA_IMPLEMENTATION
+#include "video_core/vulkan_common/vma.h"