2026-09-21 02:07:30

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

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

@@ -272,6 +272,7 @@ void OpusDecoder::Main(std::stop_token stop_token) {
 void OpusDecoder::NotifyShutdown() {
     init_thread.request_stop();
     main_thread.request_stop();
+    Send(Direction::DSP, Message::Shutdown);
 }
 
 } // namespace AudioCore::ADSP::OpusDecoder

src/core/hle/kernel/k_thread.cpp

@@ -1242,8 +1242,7 @@ namespace Kernel {
         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.
@@ -1277,7 +1276,6 @@ namespace Kernel {
                 m_wait_queue->CancelWait(kernel, this, ResultTerminationRequested, true);
             }
         }
-
         return this->GetState();
     }
 

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;
     }
 
@@ -1257,7 +1260,6 @@ void KernelCore::ShutdownCores() {
     for (auto& sm : impl->server_managers) {
         sm->NotifyShutdown();
     }
-
     impl->TerminateAllProcesses();
     KScopedSchedulerLock lk{*this};
     for (auto* thread : impl->shutdown_threads)

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/worker.cpp

@@ -49,14 +49,15 @@ 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());
-
-    if (m_thread.joinable()) {
-        m_thread.request_stop();
-        m_event->Signal(m_system.Kernel());
-        m_thread.join();
+    m_event->Signal(m_system.Kernel());
+    {
+        std::unique_lock lk{m_process_mutex};
+        m_process_cv.wait(lk);
     }
 
     m_ctx.CloseEvent(m_event);
@@ -125,9 +126,8 @@ void TimeWorker::Initialize(std::shared_ptr<Service::PSC::Time::StaticService> t
 }
 
 void TimeWorker::StartThread() {
-    m_thread = m_system.Kernel().RunOnHostCoreThread("TimeWorker", [this]() {
-        auto const stop_token = m_thread.get_stop_token();
-        Common::SetCurrentThreadPriority(Common::ThreadPriority::Low);
+    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,
@@ -140,9 +140,7 @@ void TimeWorker::StartThread() {
                 UpdateFileTimestamp = 7,
                 AutoCorrect = 8,
             };
-
             s32 index{};
-
             if (m_pm_state_change_handler.m_priority != 0) {
                 // TODO: gIPmModuleService::GetEvent() 1
                 index = WaitAny(
@@ -282,6 +280,7 @@ void TimeWorker::StartThread() {
                 UNREACHABLE();
             }
         }
+        m_process_cv.notify_one();
     });
 }
 

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

@@ -6,6 +6,7 @@
 
 #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"
@@ -39,13 +40,14 @@ public:
     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/services.cpp

@@ -94,9 +94,6 @@ Services::Services(std::shared_ptr<SM::ServiceManager>& sm, Core::System& system
         {"ldn",        &LDN::LoopProcess},
         {"nvservices", &Nvidia::LoopProcess},
         {"bsdsocket",  &Sockets::LoopProcess},
-        // TODO: glue is only required here as otherwise the dummythread doesn't close
-        // TODO: rework sched so this isn't needed
-        {"glue",       &Glue::LoopProcess},
     })
         kernel.RunOnHostCoreProcess(std::string(e.first), [&system, f = e.second] { f(system); }).detach();
     kernel.RunOnHostCoreProcess("vi",         [&, token] { VI::LoopProcess(system, token); }).detach();
@@ -155,6 +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/vi/conductor.cpp

@@ -30,13 +30,10 @@ 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 = system.Kernel().RunOnHostCoreThread("VSyncThread", [this]() {
@@ -52,13 +49,10 @@ Conductor::Conductor(Core::System& system, Container& container, DisplayList& di
             }
         });
     } 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());
-            });
+        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);
     }

src/core/memory/dmnt_cheat_vm.cpp

@@ -232,10 +232,7 @@ DmntCheatVm::Callbacks::~Callbacks() = default;
 bool DmntCheatVm::DecodeNextOpcode(CheatVmOpcode& out) {
     // If we've ever seen a decode failure, return false.
     bool valid = decode_success;
-    CheatVmOpcode opcode = {
-        .begin_conditional_block = false,
-        .opcode = {}
-    };
+    CheatVmOpcode opcode = {};
     SCOPE_EXIT {
         decode_success &= valid;
         if (valid) {

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"