Address format clang

game_list: Add persistent setting for the favorites row expanded state

CMakeLists.txt

@@ -131,7 +131,7 @@ add_definitions(-DBOOST_ASIO_DISABLE_CONCEPTS)
 if (MSVC)
     add_compile_options($<$<COMPILE_LANGUAGE:CXX>:/std:c++latest>)
 
-    # cubeb and boost still make use of deprecated result_of.
+    # boost still makes use of deprecated result_of.
     add_definitions(-D_HAS_DEPRECATED_RESULT_OF)
 else()
     set(CMAKE_CXX_STANDARD 20)

externals/CMakeLists.txt

@@ -44,10 +44,6 @@ target_include_directories(mbedtls PUBLIC ./mbedtls/include)
 add_library(microprofile INTERFACE)
 target_include_directories(microprofile INTERFACE ./microprofile)
 
-# Unicorn
-add_library(unicorn-headers INTERFACE)
-target_include_directories(unicorn-headers INTERFACE ./unicorn/include)
-
 # libusb
 if (NOT LIBUSB_FOUND OR YUZU_USE_BUNDLED_LIBUSB)
     add_subdirectory(libusb)

externals/find-modules/FindUnicorn.cmake

@@ -1,18 +0,0 @@
-# Exports:
-#  LIBUNICORN_FOUND
-#  LIBUNICORN_INCLUDE_DIR
-#  LIBUNICORN_LIBRARY
-
-find_path(LIBUNICORN_INCLUDE_DIR
-          unicorn/unicorn.h
-          HINTS $ENV{UNICORNDIR}
-          PATH_SUFFIXES include)
-
-find_library(LIBUNICORN_LIBRARY
-             NAMES unicorn
-             HINTS $ENV{UNICORNDIR})
-
-include(FindPackageHandleStandardArgs)
-find_package_handle_standard_args(unicorn DEFAULT_MSG
-                                  LIBUNICORN_LIBRARY LIBUNICORN_INCLUDE_DIR)
-mark_as_advanced(LIBUNICORN_INCLUDE_DIR LIBUNICORN_LIBRARY)

src/common/input.h

@@ -227,7 +227,7 @@ struct CallbackStatus {
 
 // Triggered once every input change
 struct InputCallback {
-    std::function<void(CallbackStatus)> on_change;
+    std::function<void(const CallbackStatus&)> on_change;
 };
 
 /// An abstract class template for an input device (a button, an analog input, etc.).
@@ -236,14 +236,10 @@ public:
     virtual ~InputDevice() = default;
 
     // Request input device to update if necessary
-    virtual void SoftUpdate() {
-        return;
-    }
+    virtual void SoftUpdate() {}
 
     // Force input device to update data regardless of the current state
-    virtual void ForceUpdate() {
-        return;
-    }
+    virtual void ForceUpdate() {}
 
     // Sets the function to be triggered when input changes
     void SetCallback(InputCallback callback_) {
@@ -251,7 +247,7 @@ public:
     }
 
     // Triggers the function set in the callback
-    void TriggerOnChange(CallbackStatus status) {
+    void TriggerOnChange(const CallbackStatus& status) {
         if (callback.on_change) {
             callback.on_change(status);
         }
@@ -266,11 +262,9 @@ class OutputDevice {
 public:
     virtual ~OutputDevice() = default;
 
-    virtual void SetLED([[maybe_unused]] LedStatus led_status) {
-        return;
-    }
+    virtual void SetLED([[maybe_unused]] const LedStatus& led_status) {}
 
-    virtual VibrationError SetVibration([[maybe_unused]] VibrationStatus vibration_status) {
+    virtual VibrationError SetVibration([[maybe_unused]] const VibrationStatus& vibration_status) {
         return VibrationError::NotSupported;
     }
 

src/common/x64/cpu_detect.cpp

@@ -71,9 +71,6 @@ static CPUCaps Detect() {
     else
         caps.manufacturer = Manufacturer::Unknown;
 
-    u32 family = {};
-    u32 model = {};
-
     __cpuid(cpu_id, 0x80000000);
 
     u32 max_ex_fn = cpu_id[0];
@@ -84,15 +81,6 @@ static CPUCaps Detect() {
     // Detect family and other miscellaneous features
     if (max_std_fn >= 1) {
         __cpuid(cpu_id, 0x00000001);
-        family = (cpu_id[0] >> 8) & 0xf;
-        model = (cpu_id[0] >> 4) & 0xf;
-        if (family == 0xf) {
-            family += (cpu_id[0] >> 20) & 0xff;
-        }
-        if (family >= 6) {
-            model += ((cpu_id[0] >> 16) & 0xf) << 4;
-        }
-
         if ((cpu_id[3] >> 25) & 1)
             caps.sse = true;
         if ((cpu_id[3] >> 26) & 1)

src/core/CMakeLists.txt

@@ -187,6 +187,7 @@ add_library(core STATIC
     hle/kernel/k_event.h
     hle/kernel/k_handle_table.cpp
     hle/kernel/k_handle_table.h
+    hle/kernel/k_light_condition_variable.cpp
     hle/kernel/k_light_condition_variable.h
     hle/kernel/k_light_lock.cpp
     hle/kernel/k_light_lock.h
@@ -239,6 +240,7 @@ add_library(core STATIC
     hle/kernel/k_system_control.h
     hle/kernel/k_thread.cpp
     hle/kernel/k_thread.h
+    hle/kernel/k_thread_queue.cpp
     hle/kernel/k_thread_queue.h
     hle/kernel/k_trace.h
     hle/kernel/k_transfer_memory.cpp

src/core/core.cpp

@@ -521,12 +521,6 @@ const ARM_Interface& System::CurrentArmInterface() const {
     return impl->kernel.CurrentPhysicalCore().ArmInterface();
 }
 
-std::size_t System::CurrentCoreIndex() const {
-    std::size_t core = impl->kernel.GetCurrentHostThreadID();
-    ASSERT(core < Core::Hardware::NUM_CPU_CORES);
-    return core;
-}
-
 Kernel::PhysicalCore& System::CurrentPhysicalCore() {
     return impl->kernel.CurrentPhysicalCore();
 }

src/core/core.h

@@ -208,9 +208,6 @@ public:
     /// Gets an ARM interface to the CPU core that is currently running
     [[nodiscard]] const ARM_Interface& CurrentArmInterface() const;
 
-    /// Gets the index of the currently running CPU core
-    [[nodiscard]] std::size_t CurrentCoreIndex() const;
-
     /// Gets the physical core for the CPU core that is currently running
     [[nodiscard]] Kernel::PhysicalCore& CurrentPhysicalCore();
 

src/core/cpu_manager.cpp

@@ -117,17 +117,18 @@ void CpuManager::MultiCoreRunGuestLoop() {
             physical_core = &kernel.CurrentPhysicalCore();
         }
         system.ExitDynarmicProfile();
-        physical_core->ArmInterface().ClearExclusiveState();
-        kernel.CurrentScheduler()->RescheduleCurrentCore();
+        {
+            Kernel::KScopedDisableDispatch dd(kernel);
+            physical_core->ArmInterface().ClearExclusiveState();
+        }
     }
 }
 
 void CpuManager::MultiCoreRunIdleThread() {
     auto& kernel = system.Kernel();
     while (true) {
-        auto& physical_core = kernel.CurrentPhysicalCore();
-        physical_core.Idle();
-        kernel.CurrentScheduler()->RescheduleCurrentCore();
+        Kernel::KScopedDisableDispatch dd(kernel);
+        kernel.CurrentPhysicalCore().Idle();
     }
 }
 
@@ -135,12 +136,12 @@ void CpuManager::MultiCoreRunSuspendThread() {
     auto& kernel = system.Kernel();
     kernel.CurrentScheduler()->OnThreadStart();
     while (true) {
-        auto core = kernel.GetCurrentHostThreadID();
+        auto core = kernel.CurrentPhysicalCoreIndex();
         auto& scheduler = *kernel.CurrentScheduler();
         Kernel::KThread* current_thread = scheduler.GetCurrentThread();
         Common::Fiber::YieldTo(current_thread->GetHostContext(), *core_data[core].host_context);
         ASSERT(scheduler.ContextSwitchPending());
-        ASSERT(core == kernel.GetCurrentHostThreadID());
+        ASSERT(core == kernel.CurrentPhysicalCoreIndex());
         scheduler.RescheduleCurrentCore();
     }
 }
@@ -346,13 +347,9 @@ void CpuManager::RunThread(std::stop_token stop_token, std::size_t core) {
             sc_sync_first_use = false;
         }
 
-        // Abort if emulation was killed before the session really starts
-        if (!system.IsPoweredOn()) {
-            return;
-        }
-
+        // Emulation was stopped
         if (stop_token.stop_requested()) {
-            break;
+            return;
         }
 
         auto current_thread = system.Kernel().CurrentScheduler()->GetCurrentThread();

src/core/hid/emulated_console.cpp

@@ -66,9 +66,10 @@ void EmulatedConsole::ReloadInput() {
 
     motion_devices = Common::Input::CreateDevice<Common::Input::InputDevice>(motion_params);
     if (motion_devices) {
-        Common::Input::InputCallback motion_callback{
-            [this](Common::Input::CallbackStatus callback) { SetMotion(callback); }};
-        motion_devices->SetCallback(motion_callback);
+        motion_devices->SetCallback({
+            .on_change =
+                [this](const Common::Input::CallbackStatus& callback) { SetMotion(callback); },
+        });
     }
 
     // Unique index for identifying touch device source
@@ -78,9 +79,12 @@ void EmulatedConsole::ReloadInput() {
         if (!touch_device) {
             continue;
         }
-        Common::Input::InputCallback touch_callback{
-            [this, index](Common::Input::CallbackStatus callback) { SetTouch(callback, index); }};
-        touch_device->SetCallback(touch_callback);
+        touch_device->SetCallback({
+            .on_change =
+                [this, index](const Common::Input::CallbackStatus& callback) {
+                    SetTouch(callback, index);
+                },
+        });
         index++;
     }
 }
@@ -127,7 +131,7 @@ void EmulatedConsole::SetMotionParam(Common::ParamPackage param) {
     ReloadInput();
 }
 
-void EmulatedConsole::SetMotion(Common::Input::CallbackStatus callback) {
+void EmulatedConsole::SetMotion(const Common::Input::CallbackStatus& callback) {
     std::lock_guard lock{mutex};
     auto& raw_status = console.motion_values.raw_status;
     auto& emulated = console.motion_values.emulated;
@@ -162,8 +166,7 @@ void EmulatedConsole::SetMotion(Common::Input::CallbackStatus callback) {
     TriggerOnChange(ConsoleTriggerType::Motion);
 }
 
-void EmulatedConsole::SetTouch(Common::Input::CallbackStatus callback,
-                               [[maybe_unused]] std::size_t index) {
+void EmulatedConsole::SetTouch(const Common::Input::CallbackStatus& callback, std::size_t index) {
     if (index >= console.touch_values.size()) {
         return;
     }

src/core/hid/emulated_console.h

@@ -155,14 +155,14 @@ private:
      * Updates the motion status of the console
      * @param callback A CallbackStatus containing gyro and accelerometer data
      */
-    void SetMotion(Common::Input::CallbackStatus callback);
+    void SetMotion(const Common::Input::CallbackStatus& callback);
 
     /**
      * Updates the touch status of the console
      * @param callback A CallbackStatus containing the touch position
      * @param index Finger ID to be updated
      */
-    void SetTouch(Common::Input::CallbackStatus callback, std::size_t index);
+    void SetTouch(const Common::Input::CallbackStatus& callback, std::size_t index);
 
     /**
      * Triggers a callback that something has changed on the console status

src/core/hid/emulated_controller.cpp

@@ -205,11 +205,12 @@ void EmulatedController::ReloadInput() {
             continue;
         }
         const auto uuid = Common::UUID{button_params[index].Get("guid", "")};
-        Common::Input::InputCallback button_callback{
-            [this, index, uuid](Common::Input::CallbackStatus callback) {
-                SetButton(callback, index, uuid);
-            }};
-        button_devices[index]->SetCallback(button_callback);
+        button_devices[index]->SetCallback({
+            .on_change =
+                [this, index, uuid](const Common::Input::CallbackStatus& callback) {
+                    SetButton(callback, index, uuid);
+                },
+        });
         button_devices[index]->ForceUpdate();
     }
 
@@ -218,11 +219,12 @@ void EmulatedController::ReloadInput() {
             continue;
         }
         const auto uuid = Common::UUID{stick_params[index].Get("guid", "")};
-        Common::Input::InputCallback stick_callback{
-            [this, index, uuid](Common::Input::CallbackStatus callback) {
-                SetStick(callback, index, uuid);
-            }};
-        stick_devices[index]->SetCallback(stick_callback);
+        stick_devices[index]->SetCallback({
+            .on_change =
+                [this, index, uuid](const Common::Input::CallbackStatus& callback) {
+                    SetStick(callback, index, uuid);
+                },
+        });
         stick_devices[index]->ForceUpdate();
     }
 
@@ -231,11 +233,12 @@ void EmulatedController::ReloadInput() {
             continue;
         }
         const auto uuid = Common::UUID{trigger_params[index].Get("guid", "")};
-        Common::Input::InputCallback trigger_callback{
-            [this, index, uuid](Common::Input::CallbackStatus callback) {
-                SetTrigger(callback, index, uuid);
-            }};
-        trigger_devices[index]->SetCallback(trigger_callback);
+        trigger_devices[index]->SetCallback({
+            .on_change =
+                [this, index, uuid](const Common::Input::CallbackStatus& callback) {
+                    SetTrigger(callback, index, uuid);
+                },
+        });
         trigger_devices[index]->ForceUpdate();
     }
 
@@ -243,9 +246,12 @@ void EmulatedController::ReloadInput() {
         if (!battery_devices[index]) {
             continue;
         }
-        Common::Input::InputCallback battery_callback{
-            [this, index](Common::Input::CallbackStatus callback) { SetBattery(callback, index); }};
-        battery_devices[index]->SetCallback(battery_callback);
+        battery_devices[index]->SetCallback({
+            .on_change =
+                [this, index](const Common::Input::CallbackStatus& callback) {
+                    SetBattery(callback, index);
+                },
+        });
         battery_devices[index]->ForceUpdate();
     }
 
@@ -253,9 +259,12 @@ void EmulatedController::ReloadInput() {
         if (!motion_devices[index]) {
             continue;
         }
-        Common::Input::InputCallback motion_callback{
-            [this, index](Common::Input::CallbackStatus callback) { SetMotion(callback, index); }};
-        motion_devices[index]->SetCallback(motion_callback);
+        motion_devices[index]->SetCallback({
+            .on_change =
+                [this, index](const Common::Input::CallbackStatus& callback) {
+                    SetMotion(callback, index);
+                },
+        });
         motion_devices[index]->ForceUpdate();
     }
 
@@ -267,22 +276,24 @@ void EmulatedController::ReloadInput() {
         if (!tas_button_devices[index]) {
             continue;
         }
-        Common::Input::InputCallback button_callback{
-            [this, index, tas_uuid](Common::Input::CallbackStatus callback) {
-                SetButton(callback, index, tas_uuid);
-            }};
-        tas_button_devices[index]->SetCallback(button_callback);
+        tas_button_devices[index]->SetCallback({
+            .on_change =
+                [this, index, tas_uuid](const Common::Input::CallbackStatus& callback) {
+                    SetButton(callback, index, tas_uuid);
+                },
+        });
     }
 
     for (std::size_t index = 0; index < tas_stick_devices.size(); ++index) {
         if (!tas_stick_devices[index]) {
             continue;
         }
-        Common::Input::InputCallback stick_callback{
-            [this, index, tas_uuid](Common::Input::CallbackStatus callback) {
-                SetStick(callback, index, tas_uuid);
-            }};
-        tas_stick_devices[index]->SetCallback(stick_callback);
+        tas_stick_devices[index]->SetCallback({
+            .on_change =
+                [this, index, tas_uuid](const Common::Input::CallbackStatus& callback) {
+                    SetStick(callback, index, tas_uuid);
+                },
+        });
     }
 }
 
@@ -440,7 +451,7 @@ void EmulatedController::SetButtonParam(std::size_t index, Common::ParamPackage
     if (index >= button_params.size()) {
         return;
     }
-    button_params[index] = param;
+    button_params[index] = std::move(param);
     ReloadInput();
 }
 
@@ -448,7 +459,7 @@ void EmulatedController::SetStickParam(std::size_t index, Common::ParamPackage p
     if (index >= stick_params.size()) {
         return;
     }
-    stick_params[index] = param;
+    stick_params[index] = std::move(param);
     ReloadInput();
 }
 
@@ -456,11 +467,11 @@ void EmulatedController::SetMotionParam(std::size_t index, Common::ParamPackage
     if (index >= motion_params.size()) {
         return;
     }
-    motion_params[index] = param;
+    motion_params[index] = std::move(param);
     ReloadInput();
 }
 
-void EmulatedController::SetButton(Common::Input::CallbackStatus callback, std::size_t index,
+void EmulatedController::SetButton(const Common::Input::CallbackStatus& callback, std::size_t index,
                                    Common::UUID uuid) {
     if (index >= controller.button_values.size()) {
         return;
@@ -600,7 +611,7 @@ void EmulatedController::SetButton(Common::Input::CallbackStatus callback, std::
     TriggerOnChange(ControllerTriggerType::Button, true);
 }
 
-void EmulatedController::SetStick(Common::Input::CallbackStatus callback, std::size_t index,
+void EmulatedController::SetStick(const Common::Input::CallbackStatus& callback, std::size_t index,
                                   Common::UUID uuid) {
     if (index >= controller.stick_values.size()) {
         return;
@@ -650,8 +661,8 @@ void EmulatedController::SetStick(Common::Input::CallbackStatus callback, std::s
     TriggerOnChange(ControllerTriggerType::Stick, true);
 }
 
-void EmulatedController::SetTrigger(Common::Input::CallbackStatus callback, std::size_t index,
-                                    Common::UUID uuid) {
+void EmulatedController::SetTrigger(const Common::Input::CallbackStatus& callback,
+                                    std::size_t index, Common::UUID uuid) {
     if (index >= controller.trigger_values.size()) {
         return;
     }
@@ -659,7 +670,7 @@ void EmulatedController::SetTrigger(Common::Input::CallbackStatus callback, std:
     const auto trigger_value = TransformToTrigger(callback);
 
     // Only read trigger values that have the same uuid or are pressed once
-    if (controller.stick_values[index].uuid != uuid) {
+    if (controller.trigger_values[index].uuid != uuid) {
         if (!trigger_value.pressed.value) {
             return;
         }
@@ -675,7 +686,7 @@ void EmulatedController::SetTrigger(Common::Input::CallbackStatus callback, std:
         return;
     }
 
-    const auto trigger = controller.trigger_values[index];
+    const auto& trigger = controller.trigger_values[index];
 
     switch (index) {
     case Settings::NativeTrigger::LTrigger:
@@ -692,7 +703,8 @@ void EmulatedController::SetTrigger(Common::Input::CallbackStatus callback, std:
     TriggerOnChange(ControllerTriggerType::Trigger, true);
 }
 
-void EmulatedController::SetMotion(Common::Input::CallbackStatus callback, std::size_t index) {
+void EmulatedController::SetMotion(const Common::Input::CallbackStatus& callback,
+                                   std::size_t index) {
     if (index >= controller.motion_values.size()) {
         return;
     }
@@ -730,7 +742,8 @@ void EmulatedController::SetMotion(Common::Input::CallbackStatus callback, std::
     TriggerOnChange(ControllerTriggerType::Motion, true);
 }
 
-void EmulatedController::SetBattery(Common::Input::CallbackStatus callback, std::size_t index) {
+void EmulatedController::SetBattery(const Common::Input::CallbackStatus& callback,
+                                    std::size_t index) {
     if (index >= controller.battery_values.size()) {
         return;
     }
@@ -1110,7 +1123,7 @@ void EmulatedController::TriggerOnChange(ControllerTriggerType type, bool is_npa
 
 int EmulatedController::SetCallback(ControllerUpdateCallback update_callback) {
     std::lock_guard lock{mutex};
-    callback_list.insert_or_assign(last_callback_key, update_callback);
+    callback_list.insert_or_assign(last_callback_key, std::move(update_callback));
     return last_callback_key++;
 }
 

src/core/hid/emulated_controller.h

@@ -328,35 +328,38 @@ private:
      * @param callback A CallbackStatus containing the button status
      * @param index Button ID of the to be updated
      */
-    void SetButton(Common::Input::CallbackStatus callback, std::size_t index, Common::UUID uuid);
+    void SetButton(const Common::Input::CallbackStatus& callback, std::size_t index,
+                   Common::UUID uuid);
 
     /**
      * Updates the analog stick status of the controller
      * @param callback A CallbackStatus containing the analog stick status
      * @param index stick ID of the to be updated
      */
-    void SetStick(Common::Input::CallbackStatus callback, std::size_t index, Common::UUID uuid);
+    void SetStick(const Common::Input::CallbackStatus& callback, std::size_t index,
+                  Common::UUID uuid);
 
     /**
      * Updates the trigger status of the controller
      * @param callback A CallbackStatus containing the trigger status
      * @param index trigger ID of the to be updated
      */
-    void SetTrigger(Common::Input::CallbackStatus callback, std::size_t index, Common::UUID uuid);
+    void SetTrigger(const Common::Input::CallbackStatus& callback, std::size_t index,
+                    Common::UUID uuid);
 
     /**
      * Updates the motion status of the controller
      * @param callback A CallbackStatus containing gyro and accelerometer data
      * @param index motion ID of the to be updated
      */
-    void SetMotion(Common::Input::CallbackStatus callback, std::size_t index);
+    void SetMotion(const Common::Input::CallbackStatus& callback, std::size_t index);
 
     /**
      * Updates the battery status of the controller
      * @param callback A CallbackStatus containing the battery status
      * @param index Button ID of the to be updated
      */
-    void SetBattery(Common::Input::CallbackStatus callback, std::size_t index);
+    void SetBattery(const Common::Input::CallbackStatus& callback, std::size_t index);
 
     /**
      * Triggers a callback that something has changed on the controller status

src/core/hid/emulated_devices.cpp

@@ -70,50 +70,55 @@ void EmulatedDevices::ReloadInput() {
         if (!mouse_button_devices[index]) {
             continue;
         }
-        Common::Input::InputCallback button_callback{
-            [this, index](Common::Input::CallbackStatus callback) {
-                SetMouseButton(callback, index);
-            }};
-        mouse_button_devices[index]->SetCallback(button_callback);
+        mouse_button_devices[index]->SetCallback({
+            .on_change =
+                [this, index](const Common::Input::CallbackStatus& callback) {
+                    SetMouseButton(callback, index);
+                },
+        });
     }
 
     for (std::size_t index = 0; index < mouse_analog_devices.size(); ++index) {
         if (!mouse_analog_devices[index]) {
             continue;
         }
-        Common::Input::InputCallback button_callback{
-            [this, index](Common::Input::CallbackStatus callback) {
-                SetMouseAnalog(callback, index);
-            }};
-        mouse_analog_devices[index]->SetCallback(button_callback);
+        mouse_analog_devices[index]->SetCallback({
+            .on_change =
+                [this, index](const Common::Input::CallbackStatus& callback) {
+                    SetMouseAnalog(callback, index);
+                },
+        });
     }
 
     if (mouse_stick_device) {
-        Common::Input::InputCallback button_callback{
-            [this](Common::Input::CallbackStatus callback) { SetMouseStick(callback); }};
-        mouse_stick_device->SetCallback(button_callback);
+        mouse_stick_device->SetCallback({
+            .on_change =
+                [this](const Common::Input::CallbackStatus& callback) { SetMouseStick(callback); },
+        });
     }
 
     for (std::size_t index = 0; index < keyboard_devices.size(); ++index) {
         if (!keyboard_devices[index]) {
             continue;
         }
-        Common::Input::InputCallback button_callback{
-            [this, index](Common::Input::CallbackStatus callback) {
-                SetKeyboardButton(callback, index);
-            }};
-        keyboard_devices[index]->SetCallback(button_callback);
+        keyboard_devices[index]->SetCallback({
+            .on_change =
+                [this, index](const Common::Input::CallbackStatus& callback) {
+                    SetKeyboardButton(callback, index);
+                },
+        });
     }
 
     for (std::size_t index = 0; index < keyboard_modifier_devices.size(); ++index) {
         if (!keyboard_modifier_devices[index]) {
             continue;
         }
-        Common::Input::InputCallback button_callback{
-            [this, index](Common::Input::CallbackStatus callback) {
-                SetKeyboardModifier(callback, index);
-            }};
-        keyboard_modifier_devices[index]->SetCallback(button_callback);
+        keyboard_modifier_devices[index]->SetCallback({
+            .on_change =
+                [this, index](const Common::Input::CallbackStatus& callback) {
+                    SetKeyboardModifier(callback, index);
+                },
+        });
     }
 }
 
@@ -159,7 +164,8 @@ void EmulatedDevices::RestoreConfig() {
     ReloadFromSettings();
 }
 
-void EmulatedDevices::SetKeyboardButton(Common::Input::CallbackStatus callback, std::size_t index) {
+void EmulatedDevices::SetKeyboardButton(const Common::Input::CallbackStatus& callback,
+                                        std::size_t index) {
     if (index >= device_status.keyboard_values.size()) {
         return;
     }
@@ -216,7 +222,7 @@ void EmulatedDevices::UpdateKey(std::size_t key_index, bool status) {
     }
 }
 
-void EmulatedDevices::SetKeyboardModifier(Common::Input::CallbackStatus callback,
+void EmulatedDevices::SetKeyboardModifier(const Common::Input::CallbackStatus& callback,
                                           std::size_t index) {
     if (index >= device_status.keyboard_moddifier_values.size()) {
         return;
@@ -286,7 +292,8 @@ void EmulatedDevices::SetKeyboardModifier(Common::Input::CallbackStatus callback
     TriggerOnChange(DeviceTriggerType::KeyboardModdifier);
 }
 
-void EmulatedDevices::SetMouseButton(Common::Input::CallbackStatus callback, std::size_t index) {
+void EmulatedDevices::SetMouseButton(const Common::Input::CallbackStatus& callback,
+                                     std::size_t index) {
     if (index >= device_status.mouse_button_values.size()) {
         return;
     }
@@ -347,7 +354,8 @@ void EmulatedDevices::SetMouseButton(Common::Input::CallbackStatus callback, std
     TriggerOnChange(DeviceTriggerType::Mouse);
 }
 
-void EmulatedDevices::SetMouseAnalog(Common::Input::CallbackStatus callback, std::size_t index) {
+void EmulatedDevices::SetMouseAnalog(const Common::Input::CallbackStatus& callback,
+                                     std::size_t index) {
     if (index >= device_status.mouse_analog_values.size()) {
         return;
     }
@@ -374,7 +382,7 @@ void EmulatedDevices::SetMouseAnalog(Common::Input::CallbackStatus callback, std
     TriggerOnChange(DeviceTriggerType::Mouse);
 }
 
-void EmulatedDevices::SetMouseStick(Common::Input::CallbackStatus callback) {
+void EmulatedDevices::SetMouseStick(const Common::Input::CallbackStatus& callback) {
     std::lock_guard lock{mutex};
     const auto touch_value = TransformToTouch(callback);
 
@@ -435,7 +443,7 @@ void EmulatedDevices::TriggerOnChange(DeviceTriggerType type) {
 
 int EmulatedDevices::SetCallback(InterfaceUpdateCallback update_callback) {
     std::lock_guard lock{mutex};
-    callback_list.insert_or_assign(last_callback_key, update_callback);
+    callback_list.insert_or_assign(last_callback_key, std::move(update_callback));
     return last_callback_key++;
 }
 

src/core/hid/emulated_devices.h

@@ -156,35 +156,34 @@ private:
      * @param callback A CallbackStatus containing the key status
      * @param index key ID to be updated
      */
-    void SetKeyboardButton(Common::Input::CallbackStatus callback, std::size_t index);
+    void SetKeyboardButton(const Common::Input::CallbackStatus& callback, std::size_t index);
 
     /**
      * Updates the keyboard status of the keyboard device
      * @param callback A CallbackStatus containing the modifier key status
      * @param index modifier key ID to be updated
      */
-    void SetKeyboardModifier(Common::Input::CallbackStatus callback, std::size_t index);
+    void SetKeyboardModifier(const Common::Input::CallbackStatus& callback, std::size_t index);
 
     /**
      * Updates the mouse button status of the mouse device
      * @param callback A CallbackStatus containing the button status
      * @param index Button ID to be updated
      */
-    void SetMouseButton(Common::Input::CallbackStatus callback, std::size_t index);
+    void SetMouseButton(const Common::Input::CallbackStatus& callback, std::size_t index);
 
     /**
      * Updates the mouse wheel status of the mouse device
      * @param callback A CallbackStatus containing the wheel status
      * @param index wheel ID to be updated
      */
-    void SetMouseAnalog(Common::Input::CallbackStatus callback, std::size_t index);
+    void SetMouseAnalog(const Common::Input::CallbackStatus& callback, std::size_t index);
 
     /**
      * Updates the mouse position status of the mouse device
      * @param callback A CallbackStatus containing the position status
-     * @param index stick ID to be updated
      */
-    void SetMouseStick(Common::Input::CallbackStatus callback);
+    void SetMouseStick(const Common::Input::CallbackStatus& callback);
 
     /**
      * Triggers a callback that something has changed on the device status

src/core/hle/kernel/k_address_arbiter.cpp

@@ -8,6 +8,7 @@
 #include "core/hle/kernel/k_scheduler.h"
 #include "core/hle/kernel/k_scoped_scheduler_lock_and_sleep.h"
 #include "core/hle/kernel/k_thread.h"
+#include "core/hle/kernel/k_thread_queue.h"
 #include "core/hle/kernel/kernel.h"
 #include "core/hle/kernel/svc_results.h"
 #include "core/hle/kernel/time_manager.h"
@@ -28,7 +29,7 @@ bool ReadFromUser(Core::System& system, s32* out, VAddr address) {
 
 bool DecrementIfLessThan(Core::System& system, s32* out, VAddr address, s32 value) {
     auto& monitor = system.Monitor();
-    const auto current_core = system.CurrentCoreIndex();
+    const auto current_core = system.Kernel().CurrentPhysicalCoreIndex();
 
     // TODO(bunnei): We should disable interrupts here via KScopedInterruptDisable.
     // TODO(bunnei): We should call CanAccessAtomic(..) here.
@@ -58,7 +59,7 @@ bool DecrementIfLessThan(Core::System& system, s32* out, VAddr address, s32 valu
 
 bool UpdateIfEqual(Core::System& system, s32* out, VAddr address, s32 value, s32 new_value) {
     auto& monitor = system.Monitor();
-    const auto current_core = system.CurrentCoreIndex();
+    const auto current_core = system.Kernel().CurrentPhysicalCoreIndex();
 
     // TODO(bunnei): We should disable interrupts here via KScopedInterruptDisable.
     // TODO(bunnei): We should call CanAccessAtomic(..) here.
@@ -85,6 +86,27 @@ bool UpdateIfEqual(Core::System& system, s32* out, VAddr address, s32 value, s32
     return true;
 }
 
+class ThreadQueueImplForKAddressArbiter final : public KThreadQueue {
+public:
+    explicit ThreadQueueImplForKAddressArbiter(KernelCore& kernel_, KAddressArbiter::ThreadTree* t)
+        : KThreadQueue(kernel_), m_tree(t) {}
+
+    void CancelWait(KThread* waiting_thread, ResultCode wait_result,
+                    bool cancel_timer_task) override {
+        // If the thread is waiting on an address arbiter, remove it from the tree.
+        if (waiting_thread->IsWaitingForAddressArbiter()) {
+            m_tree->erase(m_tree->iterator_to(*waiting_thread));
+            waiting_thread->ClearAddressArbiter();
+        }
+
+        // Invoke the base cancel wait handler.
+        KThreadQueue::CancelWait(waiting_thread, wait_result, cancel_timer_task);
+    }
+
+private:
+    KAddressArbiter::ThreadTree* m_tree;
+};
+
 } // namespace
 
 ResultCode KAddressArbiter::Signal(VAddr addr, s32 count) {
@@ -96,14 +118,14 @@ ResultCode KAddressArbiter::Signal(VAddr addr, s32 count) {
         auto it = thread_tree.nfind_light({addr, -1});
         while ((it != thread_tree.end()) && (count <= 0 || num_waiters < count) &&
                (it->GetAddressArbiterKey() == addr)) {
+            // End the thread's wait.
             KThread* target_thread = std::addressof(*it);
-            target_thread->SetSyncedObject(nullptr, ResultSuccess);
+            target_thread->EndWait(ResultSuccess);
 
             ASSERT(target_thread->IsWaitingForAddressArbiter());
-            target_thread->Wakeup();
+            target_thread->ClearAddressArbiter();
 
             it = thread_tree.erase(it);
-            target_thread->ClearAddressArbiter();
             ++num_waiters;
         }
     }
@@ -129,14 +151,14 @@ ResultCode KAddressArbiter::SignalAndIncrementIfEqual(VAddr addr, s32 value, s32
         auto it = thread_tree.nfind_light({addr, -1});
         while ((it != thread_tree.end()) && (count <= 0 || num_waiters < count) &&
                (it->GetAddressArbiterKey() == addr)) {
+            // End the thread's wait.
             KThread* target_thread = std::addressof(*it);
-            target_thread->SetSyncedObject(nullptr, ResultSuccess);
+            target_thread->EndWait(ResultSuccess);
 
             ASSERT(target_thread->IsWaitingForAddressArbiter());
-            target_thread->Wakeup();
+            target_thread->ClearAddressArbiter();
 
             it = thread_tree.erase(it);
-            target_thread->ClearAddressArbiter();
             ++num_waiters;
         }
     }
@@ -197,14 +219,14 @@ ResultCode KAddressArbiter::SignalAndModifyByWaitingCountIfEqual(VAddr addr, s32
 
         while ((it != thread_tree.end()) && (count <= 0 || num_waiters < count) &&
                (it->GetAddressArbiterKey() == addr)) {
+            // End the thread's wait.
             KThread* target_thread = std::addressof(*it);
-            target_thread->SetSyncedObject(nullptr, ResultSuccess);
+            target_thread->EndWait(ResultSuccess);
 
             ASSERT(target_thread->IsWaitingForAddressArbiter());
-            target_thread->Wakeup();
+            target_thread->ClearAddressArbiter();
 
             it = thread_tree.erase(it);
-            target_thread->ClearAddressArbiter();
             ++num_waiters;
         }
     }
@@ -214,6 +236,7 @@ ResultCode KAddressArbiter::SignalAndModifyByWaitingCountIfEqual(VAddr addr, s32
 ResultCode KAddressArbiter::WaitIfLessThan(VAddr addr, s32 value, bool decrement, s64 timeout) {
     // Prepare to wait.
     KThread* cur_thread = kernel.CurrentScheduler()->GetCurrentThread();
+    ThreadQueueImplForKAddressArbiter wait_queue(kernel, std::addressof(thread_tree));
 
     {
         KScopedSchedulerLockAndSleep slp{kernel, cur_thread, timeout};
@@ -224,9 +247,6 @@ ResultCode KAddressArbiter::WaitIfLessThan(VAddr addr, s32 value, bool decrement
             return ResultTerminationRequested;
         }
 
-        // Set the synced object.
-        cur_thread->SetSyncedObject(nullptr, ResultTimedOut);
-
         // Read the value from userspace.
         s32 user_value{};
         bool succeeded{};
@@ -256,31 +276,20 @@ ResultCode KAddressArbiter::WaitIfLessThan(VAddr addr, s32 value, bool decrement
         // Set the arbiter.
         cur_thread->SetAddressArbiter(&thread_tree, addr);
         thread_tree.insert(*cur_thread);
-        cur_thread->SetState(ThreadState::Waiting);
+
+        // Wait for the thread to finish.
+        cur_thread->BeginWait(std::addressof(wait_queue));
         cur_thread->SetWaitReasonForDebugging(ThreadWaitReasonForDebugging::Arbitration);
     }
 
-    // Cancel the timer wait.
-    kernel.TimeManager().UnscheduleTimeEvent(cur_thread);
-
-    // Remove from the address arbiter.
-    {
-        KScopedSchedulerLock sl(kernel);
-
-        if (cur_thread->IsWaitingForAddressArbiter()) {
-            thread_tree.erase(thread_tree.iterator_to(*cur_thread));
-            cur_thread->ClearAddressArbiter();
-        }
-    }
-
     // Get the result.
-    KSynchronizationObject* dummy{};
-    return cur_thread->GetWaitResult(&dummy);
+    return cur_thread->GetWaitResult();
 }
 
 ResultCode KAddressArbiter::WaitIfEqual(VAddr addr, s32 value, s64 timeout) {
     // Prepare to wait.
     KThread* cur_thread = kernel.CurrentScheduler()->GetCurrentThread();
+    ThreadQueueImplForKAddressArbiter wait_queue(kernel, std::addressof(thread_tree));
 
     {
         KScopedSchedulerLockAndSleep slp{kernel, cur_thread, timeout};
@@ -291,9 +300,6 @@ ResultCode KAddressArbiter::WaitIfEqual(VAddr addr, s32 value, s64 timeout) {
             return ResultTerminationRequested;
         }
 
-        // Set the synced object.
-        cur_thread->SetSyncedObject(nullptr, ResultTimedOut);
-
         // Read the value from userspace.
         s32 user_value{};
         if (!ReadFromUser(system, &user_value, addr)) {
@@ -316,26 +322,14 @@ ResultCode KAddressArbiter::WaitIfEqual(VAddr addr, s32 value, s64 timeout) {
         // Set the arbiter.
         cur_thread->SetAddressArbiter(&thread_tree, addr);
         thread_tree.insert(*cur_thread);
-        cur_thread->SetState(ThreadState::Waiting);
+
+        // Wait for the thread to finish.
+        cur_thread->BeginWait(std::addressof(wait_queue));
         cur_thread->SetWaitReasonForDebugging(ThreadWaitReasonForDebugging::Arbitration);
     }
 
-    // Cancel the timer wait.
-    kernel.TimeManager().UnscheduleTimeEvent(cur_thread);
-
-    // Remove from the address arbiter.
-    {
-        KScopedSchedulerLock sl(kernel);
-
-        if (cur_thread->IsWaitingForAddressArbiter()) {
-            thread_tree.erase(thread_tree.iterator_to(*cur_thread));
-            cur_thread->ClearAddressArbiter();
-        }
-    }
-
     // Get the result.
-    KSynchronizationObject* dummy{};
-    return cur_thread->GetWaitResult(&dummy);
+    return cur_thread->GetWaitResult();
 }
 
 } // namespace Kernel

src/core/hle/kernel/k_auto_object.h

@@ -170,6 +170,10 @@ public:
         }
     }
 
+    const std::string& GetName() const {
+        return name;
+    }
+
 private:
     void RegisterWithKernel();
     void UnregisterWithKernel();

src/core/hle/kernel/k_condition_variable.cpp

@@ -11,6 +11,7 @@
 #include "core/hle/kernel/k_scoped_scheduler_lock_and_sleep.h"
 #include "core/hle/kernel/k_synchronization_object.h"
 #include "core/hle/kernel/k_thread.h"
+#include "core/hle/kernel/k_thread_queue.h"
 #include "core/hle/kernel/kernel.h"
 #include "core/hle/kernel/svc_common.h"
 #include "core/hle/kernel/svc_results.h"
@@ -33,7 +34,7 @@ bool WriteToUser(Core::System& system, VAddr address, const u32* p) {
 bool UpdateLockAtomic(Core::System& system, u32* out, VAddr address, u32 if_zero,
                       u32 new_orr_mask) {
     auto& monitor = system.Monitor();
-    const auto current_core = system.CurrentCoreIndex();
+    const auto current_core = system.Kernel().CurrentPhysicalCoreIndex();
 
     // Load the value from the address.
     const auto expected = monitor.ExclusiveRead32(current_core, address);
@@ -57,6 +58,48 @@ bool UpdateLockAtomic(Core::System& system, u32* out, VAddr address, u32 if_zero
     return true;
 }
 
+class ThreadQueueImplForKConditionVariableWaitForAddress final : public KThreadQueue {
+public:
+    explicit ThreadQueueImplForKConditionVariableWaitForAddress(KernelCore& kernel_)
+        : KThreadQueue(kernel_) {}
+
+    void CancelWait(KThread* waiting_thread, ResultCode wait_result,
+                    bool cancel_timer_task) override {
+        // Remove the thread as a waiter from its owner.
+        waiting_thread->GetLockOwner()->RemoveWaiter(waiting_thread);
+
+        // Invoke the base cancel wait handler.
+        KThreadQueue::CancelWait(waiting_thread, wait_result, cancel_timer_task);
+    }
+};
+
+class ThreadQueueImplForKConditionVariableWaitConditionVariable final : public KThreadQueue {
+private:
+    KConditionVariable::ThreadTree* m_tree;
+
+public:
+    explicit ThreadQueueImplForKConditionVariableWaitConditionVariable(
+        KernelCore& kernel_, KConditionVariable::ThreadTree* t)
+        : KThreadQueue(kernel_), m_tree(t) {}
+
+    void CancelWait(KThread* waiting_thread, ResultCode wait_result,
+                    bool cancel_timer_task) override {
+        // Remove the thread as a waiter from its owner.
+        if (KThread* owner = waiting_thread->GetLockOwner(); owner != nullptr) {
+            owner->RemoveWaiter(waiting_thread);
+        }
+
+        // If the thread is waiting on a condvar, remove it from the tree.
+        if (waiting_thread->IsWaitingForConditionVariable()) {
+            m_tree->erase(m_tree->iterator_to(*waiting_thread));
+            waiting_thread->ClearConditionVariable();
+        }
+
+        // Invoke the base cancel wait handler.
+        KThreadQueue::CancelWait(waiting_thread, wait_result, cancel_timer_task);
+    }
+};
+
 } // namespace
 
 KConditionVariable::KConditionVariable(Core::System& system_)
@@ -78,84 +121,77 @@ ResultCode KConditionVariable::SignalToAddress(VAddr addr) {
 
         // Determine the next tag.
         u32 next_value{};
-        if (next_owner_thread) {
+        if (next_owner_thread != nullptr) {
             next_value = next_owner_thread->GetAddressKeyValue();
             if (num_waiters > 1) {
                 next_value |= Svc::HandleWaitMask;
             }
 
-            next_owner_thread->SetSyncedObject(nullptr, ResultSuccess);
-            next_owner_thread->Wakeup();
-        }
-
-        // Write the value to userspace.
-        if (!WriteToUser(system, addr, std::addressof(next_value))) {
-            if (next_owner_thread) {
-                next_owner_thread->SetSyncedObject(nullptr, ResultInvalidCurrentMemory);
+            // Write the value to userspace.
+            ResultCode result{ResultSuccess};
+            if (WriteToUser(system, addr, std::addressof(next_value))) [[likely]] {
+                result = ResultSuccess;
+            } else {
+                result = ResultInvalidCurrentMemory;
             }
 
-            return ResultInvalidCurrentMemory;
+            // Signal the next owner thread.
+            next_owner_thread->EndWait(result);
+            return result;
+        } else {
+            // Just write the value to userspace.
+            R_UNLESS(WriteToUser(system, addr, std::addressof(next_value)),
+                     ResultInvalidCurrentMemory);
+
+            return ResultSuccess;
         }
     }
-
-    return ResultSuccess;
 }
 
 ResultCode KConditionVariable::WaitForAddress(Handle handle, VAddr addr, u32 value) {
     KThread* cur_thread = kernel.CurrentScheduler()->GetCurrentThread();
+    ThreadQueueImplForKConditionVariableWaitForAddress wait_queue(kernel);
 
     // Wait for the address.
-    {
-        KScopedAutoObject<KThread> owner_thread;
-        ASSERT(owner_thread.IsNull());
-        {
-            KScopedSchedulerLock sl(kernel);
-            cur_thread->SetSyncedObject(nullptr, ResultSuccess);
-
-            // Check if the thread should terminate.
-            R_UNLESS(!cur_thread->IsTerminationRequested(), ResultTerminationRequested);
-
-            {
-                // Read the tag from userspace.
-                u32 test_tag{};
-                R_UNLESS(ReadFromUser(system, std::addressof(test_tag), addr),
-                         ResultInvalidCurrentMemory);
-
-                // If the tag isn't the handle (with wait mask), we're done.
-                R_UNLESS(test_tag == (handle | Svc::HandleWaitMask), ResultSuccess);
-
-                // Get the lock owner thread.
-                owner_thread =
-                    kernel.CurrentProcess()->GetHandleTable().GetObjectWithoutPseudoHandle<KThread>(
-                        handle);
-                R_UNLESS(owner_thread.IsNotNull(), ResultInvalidHandle);
-
-                // Update the lock.
-                cur_thread->SetAddressKey(addr, value);
-                owner_thread->AddWaiter(cur_thread);
-                cur_thread->SetState(ThreadState::Waiting);
-                cur_thread->SetWaitReasonForDebugging(ThreadWaitReasonForDebugging::ConditionVar);
-                cur_thread->SetMutexWaitAddressForDebugging(addr);
-            }
-        }
-        ASSERT(owner_thread.IsNotNull());
-    }
-
-    // Remove the thread as a waiter from the lock owner.
+    KThread* owner_thread{};
     {
         KScopedSchedulerLock sl(kernel);
-        KThread* owner_thread = cur_thread->GetLockOwner();
-        if (owner_thread != nullptr) {
-            owner_thread->RemoveWaiter(cur_thread);
-        }
+
+        // Check if the thread should terminate.
+        R_UNLESS(!cur_thread->IsTerminationRequested(), ResultTerminationRequested);
+
+        // Read the tag from userspace.
+        u32 test_tag{};
+        R_UNLESS(ReadFromUser(system, std::addressof(test_tag), addr), ResultInvalidCurrentMemory);
+
+        // If the tag isn't the handle (with wait mask), we're done.
+        R_SUCCEED_IF(test_tag != (handle | Svc::HandleWaitMask));
+
+        // Get the lock owner thread.
+        owner_thread = kernel.CurrentProcess()
+                           ->GetHandleTable()
+                           .GetObjectWithoutPseudoHandle<KThread>(handle)
+                           .ReleasePointerUnsafe();
+        R_UNLESS(owner_thread != nullptr, ResultInvalidHandle);
+
+        // Update the lock.
+        cur_thread->SetAddressKey(addr, value);
+        owner_thread->AddWaiter(cur_thread);
+
+        // Begin waiting.
+        cur_thread->BeginWait(std::addressof(wait_queue));
+        cur_thread->SetWaitReasonForDebugging(ThreadWaitReasonForDebugging::ConditionVar);
+        cur_thread->SetMutexWaitAddressForDebugging(addr);
     }
 
+    // Close our reference to the owner thread, now that the wait is over.
+    owner_thread->Close();
+
     // Get the wait result.
-    KSynchronizationObject* dummy{};
-    return cur_thread->GetWaitResult(std::addressof(dummy));
+    return cur_thread->GetWaitResult();
 }
 
-KThread* KConditionVariable::SignalImpl(KThread* thread) {
+void KConditionVariable::SignalImpl(KThread* thread) {
     // Check pre-conditions.
     ASSERT(kernel.GlobalSchedulerContext().IsLocked());
 
@@ -169,18 +205,16 @@ KThread* KConditionVariable::SignalImpl(KThread* thread) {
         // TODO(bunnei): We should disable interrupts here via KScopedInterruptDisable.
         // TODO(bunnei): We should call CanAccessAtomic(..) here.
         can_access = true;
-        if (can_access) {
+        if (can_access) [[likely]] {
             UpdateLockAtomic(system, std::addressof(prev_tag), address, own_tag,
                              Svc::HandleWaitMask);
         }
     }
 
-    KThread* thread_to_close = nullptr;
-    if (can_access) {
+    if (can_access) [[likely]] {
         if (prev_tag == Svc::InvalidHandle) {
             // If nobody held the lock previously, we're all good.
-            thread->SetSyncedObject(nullptr, ResultSuccess);
-            thread->Wakeup();
+            thread->EndWait(ResultSuccess);
         } else {
             // Get the previous owner.
             KThread* owner_thread = kernel.CurrentProcess()
@@ -189,33 +223,22 @@ KThread* KConditionVariable::SignalImpl(KThread* thread) {
                                             static_cast<Handle>(prev_tag & ~Svc::HandleWaitMask))
                                         .ReleasePointerUnsafe();
 
-            if (owner_thread) {
+            if (owner_thread) [[likely]] {
                 // Add the thread as a waiter on the owner.
                 owner_thread->AddWaiter(thread);
-                thread_to_close = owner_thread;
+                owner_thread->Close();
             } else {
                 // The lock was tagged with a thread that doesn't exist.
-                thread->SetSyncedObject(nullptr, ResultInvalidState);
-                thread->Wakeup();
+                thread->EndWait(ResultInvalidState);
             }
         }
     } else {
         // If the address wasn't accessible, note so.
-        thread->SetSyncedObject(nullptr, ResultInvalidCurrentMemory);
-        thread->Wakeup();
+        thread->EndWait(ResultInvalidCurrentMemory);
     }
-
-    return thread_to_close;
 }
 
 void KConditionVariable::Signal(u64 cv_key, s32 count) {
-    // Prepare for signaling.
-    constexpr int MaxThreads = 16;
-
-    KLinkedList<KThread> thread_list{kernel};
-    std::array<KThread*, MaxThreads> thread_array;
-    s32 num_to_close{};
-
     // Perform signaling.
     s32 num_waiters{};
     {
@@ -226,14 +249,7 @@ void KConditionVariable::Signal(u64 cv_key, s32 count) {
                (it->GetConditionVariableKey() == cv_key)) {
             KThread* target_thread = std::addressof(*it);
 
-            if (KThread* thread = SignalImpl(target_thread); thread != nullptr) {
-                if (num_to_close < MaxThreads) {
-                    thread_array[num_to_close++] = thread;
-                } else {
-                    thread_list.push_back(*thread);
-                }
-            }
-
+            this->SignalImpl(target_thread);
             it = thread_tree.erase(it);
             target_thread->ClearConditionVariable();
             ++num_waiters;
@@ -245,27 +261,16 @@ void KConditionVariable::Signal(u64 cv_key, s32 count) {
             WriteToUser(system, cv_key, std::addressof(has_waiter_flag));
         }
     }
-
-    // Close threads in the array.
-    for (auto i = 0; i < num_to_close; ++i) {
-        thread_array[i]->Close();
-    }
-
-    // Close threads in the list.
-    for (auto it = thread_list.begin(); it != thread_list.end(); it = thread_list.erase(it)) {
-        (*it).Close();
-    }
 }
 
 ResultCode KConditionVariable::Wait(VAddr addr, u64 key, u32 value, s64 timeout) {
     // Prepare to wait.
-    KThread* cur_thread = kernel.CurrentScheduler()->GetCurrentThread();
+    KThread* cur_thread = GetCurrentThreadPointer(kernel);
+    ThreadQueueImplForKConditionVariableWaitConditionVariable wait_queue(
+        kernel, std::addressof(thread_tree));
 
     {
-        KScopedSchedulerLockAndSleep slp{kernel, cur_thread, timeout};
-
-        // Set the synced object.
-        cur_thread->SetSyncedObject(nullptr, ResultTimedOut);
+        KScopedSchedulerLockAndSleep slp(kernel, cur_thread, timeout);
 
         // Check that the thread isn't terminating.
         if (cur_thread->IsTerminationRequested()) {
@@ -290,8 +295,7 @@ ResultCode KConditionVariable::Wait(VAddr addr, u64 key, u32 value, s64 timeout)
                 }
 
                 // Wake up the next owner.
-                next_owner_thread->SetSyncedObject(nullptr, ResultSuccess);
-                next_owner_thread->Wakeup();
+                next_owner_thread->EndWait(ResultSuccess);
             }
 
             // Write to the cv key.
@@ -308,40 +312,21 @@ ResultCode KConditionVariable::Wait(VAddr addr, u64 key, u32 value, s64 timeout)
             }
         }
 
+        // If timeout is zero, time out.
+        R_UNLESS(timeout != 0, ResultTimedOut);
+
         // Update condition variable tracking.
-        {
-            cur_thread->SetConditionVariable(std::addressof(thread_tree), addr, key, value);
-            thread_tree.insert(*cur_thread);
-        }
+        cur_thread->SetConditionVariable(std::addressof(thread_tree), addr, key, value);
+        thread_tree.insert(*cur_thread);
 
-        // If the timeout is non-zero, set the thread as waiting.
-        if (timeout != 0) {
-            cur_thread->SetState(ThreadState::Waiting);
-            cur_thread->SetWaitReasonForDebugging(ThreadWaitReasonForDebugging::ConditionVar);
-            cur_thread->SetMutexWaitAddressForDebugging(addr);
-        }
+        // Begin waiting.
+        cur_thread->BeginWait(std::addressof(wait_queue));
+        cur_thread->SetWaitReasonForDebugging(ThreadWaitReasonForDebugging::ConditionVar);
+        cur_thread->SetMutexWaitAddressForDebugging(addr);
     }
 
-    // Cancel the timer wait.
-    kernel.TimeManager().UnscheduleTimeEvent(cur_thread);
-
-    // Remove from the condition variable.
-    {
-        KScopedSchedulerLock sl(kernel);
-
-        if (KThread* owner = cur_thread->GetLockOwner(); owner != nullptr) {
-            owner->RemoveWaiter(cur_thread);
-        }
-
-        if (cur_thread->IsWaitingForConditionVariable()) {
-            thread_tree.erase(thread_tree.iterator_to(*cur_thread));
-            cur_thread->ClearConditionVariable();
-        }
-    }
-
-    // Get the result.
-    KSynchronizationObject* dummy{};
-    return cur_thread->GetWaitResult(std::addressof(dummy));
+    // Get the wait result.
+    return cur_thread->GetWaitResult();
 }
 
 } // namespace Kernel

src/core/hle/kernel/k_condition_variable.h

@@ -34,7 +34,7 @@ public:
     [[nodiscard]] ResultCode Wait(VAddr addr, u64 key, u32 value, s64 timeout);
 
 private:
-    [[nodiscard]] KThread* SignalImpl(KThread* thread);
+    void SignalImpl(KThread* thread);
 
     ThreadTree thread_tree;
 

src/core/hle/kernel/k_handle_table.cpp

@@ -13,6 +13,7 @@ ResultCode KHandleTable::Finalize() {
     // Get the table and clear our record of it.
     u16 saved_table_size = 0;
     {
+        KScopedDisableDispatch dd(kernel);
         KScopedSpinLock lk(m_lock);
 
         std::swap(m_table_size, saved_table_size);
@@ -43,6 +44,7 @@ bool KHandleTable::Remove(Handle handle) {
     // Find the object and free the entry.
     KAutoObject* obj = nullptr;
     {
+        KScopedDisableDispatch dd(kernel);
         KScopedSpinLock lk(m_lock);
 
         if (this->IsValidHandle(handle)) {
@@ -62,6 +64,7 @@ bool KHandleTable::Remove(Handle handle) {
 }
 
 ResultCode KHandleTable::Add(Handle* out_handle, KAutoObject* obj, u16 type) {
+    KScopedDisableDispatch dd(kernel);
     KScopedSpinLock lk(m_lock);
 
     // Never exceed our capacity.
@@ -84,6 +87,7 @@ ResultCode KHandleTable::Add(Handle* out_handle, KAutoObject* obj, u16 type) {
 }
 
 ResultCode KHandleTable::Reserve(Handle* out_handle) {
+    KScopedDisableDispatch dd(kernel);
     KScopedSpinLock lk(m_lock);
 
     // Never exceed our capacity.
@@ -94,6 +98,7 @@ ResultCode KHandleTable::Reserve(Handle* out_handle) {
 }
 
 void KHandleTable::Unreserve(Handle handle) {
+    KScopedDisableDispatch dd(kernel);
     KScopedSpinLock lk(m_lock);
 
     // Unpack the handle.
@@ -112,6 +117,7 @@ void KHandleTable::Unreserve(Handle handle) {
 }
 
 void KHandleTable::Register(Handle handle, KAutoObject* obj, u16 type) {
+    KScopedDisableDispatch dd(kernel);
     KScopedSpinLock lk(m_lock);
 
     // Unpack the handle.

src/core/hle/kernel/k_handle_table.h

@@ -68,6 +68,7 @@ public:
     template <typename T = KAutoObject>
     KScopedAutoObject<T> GetObjectWithoutPseudoHandle(Handle handle) const {
         // Lock and look up in table.
+        KScopedDisableDispatch dd(kernel);
         KScopedSpinLock lk(m_lock);
 
         if constexpr (std::is_same_v<T, KAutoObject>) {
@@ -122,6 +123,7 @@ public:
         size_t num_opened;
         {
             // Lock the table.
+            KScopedDisableDispatch dd(kernel);
             KScopedSpinLock lk(m_lock);
             for (num_opened = 0; num_opened < num_handles; num_opened++) {
                 // Get the current handle.

src/core/hle/kernel/k_light_condition_variable.cpp

@@ -0,0 +1,80 @@
+// Copyright 2021 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include "core/hle/kernel/k_light_condition_variable.h"
+#include "core/hle/kernel/k_scheduler.h"
+#include "core/hle/kernel/k_scoped_scheduler_lock_and_sleep.h"
+#include "core/hle/kernel/k_thread_queue.h"
+#include "core/hle/kernel/svc_results.h"
+
+namespace Kernel {
+
+namespace {
+
+class ThreadQueueImplForKLightConditionVariable final : public KThreadQueue {
+public:
+    ThreadQueueImplForKLightConditionVariable(KernelCore& kernel_, KThread::WaiterList* wl,
+                                              bool term)
+        : KThreadQueue(kernel_), m_wait_list(wl), m_allow_terminating_thread(term) {}
+
+    void CancelWait(KThread* waiting_thread, ResultCode wait_result,
+                    bool cancel_timer_task) override {
+        // Only process waits if we're allowed to.
+        if (ResultTerminationRequested == wait_result && m_allow_terminating_thread) {
+            return;
+        }
+
+        // Remove the thread from the waiting thread from the light condition variable.
+        m_wait_list->erase(m_wait_list->iterator_to(*waiting_thread));
+
+        // Invoke the base cancel wait handler.
+        KThreadQueue::CancelWait(waiting_thread, wait_result, cancel_timer_task);
+    }
+
+private:
+    KThread::WaiterList* m_wait_list;
+    bool m_allow_terminating_thread;
+};
+
+} // namespace
+
+void KLightConditionVariable::Wait(KLightLock* lock, s64 timeout, bool allow_terminating_thread) {
+    // Create thread queue.
+    KThread* owner = GetCurrentThreadPointer(kernel);
+
+    ThreadQueueImplForKLightConditionVariable wait_queue(kernel, std::addressof(wait_list),
+                                                         allow_terminating_thread);
+
+    // Sleep the thread.
+    {
+        KScopedSchedulerLockAndSleep lk(kernel, owner, timeout);
+
+        if (!allow_terminating_thread && owner->IsTerminationRequested()) {
+            lk.CancelSleep();
+            return;
+        }
+
+        lock->Unlock();
+
+        // Add the thread to the queue.
+        wait_list.push_back(*owner);
+
+        // Begin waiting.
+        owner->BeginWait(std::addressof(wait_queue));
+    }
+
+    // Re-acquire the lock.
+    lock->Lock();
+}
+
+void KLightConditionVariable::Broadcast() {
+    KScopedSchedulerLock lk(kernel);
+
+    // Signal all threads.
+    for (auto it = wait_list.begin(); it != wait_list.end(); it = wait_list.erase(it)) {
+        it->EndWait(ResultSuccess);
+    }
+}
+
+} // namespace Kernel

src/core/hle/kernel/k_light_condition_variable.h

@@ -2,72 +2,24 @@
 // Licensed under GPLv2 or any later version
 // Refer to the license.txt file included.
 
-// This file references various implementation details from Atmosphere, an open-source firmware for
-// the Nintendo Switch. Copyright 2018-2020 Atmosphere-NX.
-
 #pragma once
 
 #include "common/common_types.h"
-#include "core/hle/kernel/k_scheduler.h"
-#include "core/hle/kernel/k_scoped_scheduler_lock_and_sleep.h"
-#include "core/hle/kernel/time_manager.h"
+#include "core/hle/kernel/k_thread.h"
 
 namespace Kernel {
+
 class KernelCore;
+class KLightLock;
 
 class KLightConditionVariable {
 public:
     explicit KLightConditionVariable(KernelCore& kernel_) : kernel{kernel_} {}
 
-    void Wait(KLightLock* lock, s64 timeout = -1, bool allow_terminating_thread = true) {
-        WaitImpl(lock, timeout, allow_terminating_thread);
-    }
-
-    void Broadcast() {
-        KScopedSchedulerLock lk{kernel};
-
-        // Signal all threads.
-        for (auto& thread : wait_list) {
-            thread.SetState(ThreadState::Runnable);
-        }
-    }
+    void Wait(KLightLock* lock, s64 timeout = -1, bool allow_terminating_thread = true);
+    void Broadcast();
 
 private:
-    void WaitImpl(KLightLock* lock, s64 timeout, bool allow_terminating_thread) {
-        KThread* owner = GetCurrentThreadPointer(kernel);
-
-        // Sleep the thread.
-        {
-            KScopedSchedulerLockAndSleep lk{kernel, owner, timeout};
-
-            if (!allow_terminating_thread && owner->IsTerminationRequested()) {
-                lk.CancelSleep();
-                return;
-            }
-
-            lock->Unlock();
-
-            // Set the thread as waiting.
-            GetCurrentThread(kernel).SetState(ThreadState::Waiting);
-
-            // Add the thread to the queue.
-            wait_list.push_back(GetCurrentThread(kernel));
-        }
-
-        // Remove the thread from the wait list.
-        {
-            KScopedSchedulerLock sl{kernel};
-
-            wait_list.erase(wait_list.iterator_to(GetCurrentThread(kernel)));
-        }
-
-        // Cancel the task that the sleep setup.
-        kernel.TimeManager().UnscheduleTimeEvent(owner);
-
-        // Re-acquire the lock.
-        lock->Lock();
-    }
-
     KernelCore& kernel;
     KThread::WaiterList wait_list{};
 };

src/core/hle/kernel/k_light_lock.cpp

@@ -5,44 +5,59 @@
 #include "core/hle/kernel/k_light_lock.h"
 #include "core/hle/kernel/k_scheduler.h"
 #include "core/hle/kernel/k_thread.h"
+#include "core/hle/kernel/k_thread_queue.h"
 #include "core/hle/kernel/kernel.h"
 
 namespace Kernel {
 
+namespace {
+
+class ThreadQueueImplForKLightLock final : public KThreadQueue {
+public:
+    explicit ThreadQueueImplForKLightLock(KernelCore& kernel_) : KThreadQueue(kernel_) {}
+
+    void CancelWait(KThread* waiting_thread, ResultCode wait_result,
+                    bool cancel_timer_task) override {
+        // Remove the thread as a waiter from its owner.
+        if (KThread* owner = waiting_thread->GetLockOwner(); owner != nullptr) {
+            owner->RemoveWaiter(waiting_thread);
+        }
+
+        // Invoke the base cancel wait handler.
+        KThreadQueue::CancelWait(waiting_thread, wait_result, cancel_timer_task);
+    }
+};
+
+} // namespace
+
 void KLightLock::Lock() {
     const uintptr_t cur_thread = reinterpret_cast<uintptr_t>(GetCurrentThreadPointer(kernel));
-    const uintptr_t cur_thread_tag = (cur_thread | 1);
 
     while (true) {
         uintptr_t old_tag = tag.load(std::memory_order_relaxed);
 
-        while (!tag.compare_exchange_weak(old_tag, (old_tag == 0) ? cur_thread : old_tag | 1,
+        while (!tag.compare_exchange_weak(old_tag, (old_tag == 0) ? cur_thread : (old_tag | 1),
                                           std::memory_order_acquire)) {
-            if ((old_tag | 1) == cur_thread_tag) {
-                return;
-            }
         }
 
-        if ((old_tag == 0) || ((old_tag | 1) == cur_thread_tag)) {
+        if (old_tag == 0 || this->LockSlowPath(old_tag | 1, cur_thread)) {
             break;
         }
-
-        LockSlowPath(old_tag | 1, cur_thread);
     }
 }
 
 void KLightLock::Unlock() {
     const uintptr_t cur_thread = reinterpret_cast<uintptr_t>(GetCurrentThreadPointer(kernel));
+
     uintptr_t expected = cur_thread;
-    do {
-        if (expected != cur_thread) {
-            return UnlockSlowPath(cur_thread);
-        }
-    } while (!tag.compare_exchange_weak(expected, 0, std::memory_order_release));
+    if (!tag.compare_exchange_strong(expected, 0, std::memory_order_release)) {
+        this->UnlockSlowPath(cur_thread);
+    }
 }
 
-void KLightLock::LockSlowPath(uintptr_t _owner, uintptr_t _cur_thread) {
+bool KLightLock::LockSlowPath(uintptr_t _owner, uintptr_t _cur_thread) {
     KThread* cur_thread = reinterpret_cast<KThread*>(_cur_thread);
+    ThreadQueueImplForKLightLock wait_queue(kernel);
 
     // Pend the current thread waiting on the owner thread.
     {
@@ -50,7 +65,7 @@ void KLightLock::LockSlowPath(uintptr_t _owner, uintptr_t _cur_thread) {
 
         // Ensure we actually have locking to do.
         if (tag.load(std::memory_order_relaxed) != _owner) {
-            return;
+            return false;
         }
 
         // Add the current thread as a waiter on the owner.
@@ -58,22 +73,15 @@ void KLightLock::LockSlowPath(uintptr_t _owner, uintptr_t _cur_thread) {
         cur_thread->SetAddressKey(reinterpret_cast<uintptr_t>(std::addressof(tag)));
         owner_thread->AddWaiter(cur_thread);
 
-        // Set thread states.
-        cur_thread->SetState(ThreadState::Waiting);
+        // Begin waiting to hold the lock.
+        cur_thread->BeginWait(std::addressof(wait_queue));
 
         if (owner_thread->IsSuspended()) {
             owner_thread->ContinueIfHasKernelWaiters();
         }
     }
 
-    // We're no longer waiting on the lock owner.
-    {
-        KScopedSchedulerLock sl{kernel};
-
-        if (KThread* owner_thread = cur_thread->GetLockOwner(); owner_thread != nullptr) {
-            owner_thread->RemoveWaiter(cur_thread);
-        }
-    }
+    return true;
 }
 
 void KLightLock::UnlockSlowPath(uintptr_t _cur_thread) {
@@ -81,22 +89,20 @@ void KLightLock::UnlockSlowPath(uintptr_t _cur_thread) {
 
     // Unlock.
     {
-        KScopedSchedulerLock sl{kernel};
+        KScopedSchedulerLock sl(kernel);
 
         // Get the next owner.
-        s32 num_waiters = 0;
+        s32 num_waiters;
         KThread* next_owner = owner_thread->RemoveWaiterByKey(
             std::addressof(num_waiters), reinterpret_cast<uintptr_t>(std::addressof(tag)));
 
         // Pass the lock to the next owner.
         uintptr_t next_tag = 0;
         if (next_owner != nullptr) {
-            next_tag = reinterpret_cast<uintptr_t>(next_owner);
-            if (num_waiters > 1) {
-                next_tag |= 0x1;
-            }
+            next_tag =
+                reinterpret_cast<uintptr_t>(next_owner) | static_cast<uintptr_t>(num_waiters > 1);
 
-            next_owner->SetState(ThreadState::Runnable);
+            next_owner->EndWait(ResultSuccess);
 
             if (next_owner->IsSuspended()) {
                 next_owner->ContinueIfHasKernelWaiters();
@@ -110,7 +116,7 @@ void KLightLock::UnlockSlowPath(uintptr_t _cur_thread) {
         }
 
         // Write the new tag value.
-        tag.store(next_tag);
+        tag.store(next_tag, std::memory_order_release);
     }
 }
 

src/core/hle/kernel/k_light_lock.h

@@ -20,7 +20,7 @@ public:
 
     void Unlock();
 
-    void LockSlowPath(uintptr_t owner, uintptr_t cur_thread);
+    bool LockSlowPath(uintptr_t owner, uintptr_t cur_thread);
 
     void UnlockSlowPath(uintptr_t cur_thread);
 

src/core/hle/kernel/k_process.cpp

@@ -60,6 +60,7 @@ void SetupMainThread(Core::System& system, KProcess& owner_process, u32 priority
     thread->GetContext64().cpu_registers[0] = 0;
     thread->GetContext32().cpu_registers[1] = thread_handle;
     thread->GetContext64().cpu_registers[1] = thread_handle;
+    thread->DisableDispatch();
 
     auto& kernel = system.Kernel();
     // Threads by default are dormant, wake up the main thread so it runs when the scheduler fires
@@ -227,12 +228,15 @@ void KProcess::PinCurrentThread() {
     const s32 core_id = GetCurrentCoreId(kernel);
     KThread* cur_thread = GetCurrentThreadPointer(kernel);
 
-    // Pin it.
-    PinThread(core_id, cur_thread);
-    cur_thread->Pin();
+    // If the thread isn't terminated, pin it.
+    if (!cur_thread->IsTerminationRequested()) {
+        // Pin it.
+        PinThread(core_id, cur_thread);
+        cur_thread->Pin();
 
-    // An update is needed.
-    KScheduler::SetSchedulerUpdateNeeded(kernel);
+        // An update is needed.
+        KScheduler::SetSchedulerUpdateNeeded(kernel);
+    }
 }
 
 void KProcess::UnpinCurrentThread() {
@@ -250,6 +254,20 @@ void KProcess::UnpinCurrentThread() {
     KScheduler::SetSchedulerUpdateNeeded(kernel);
 }
 
+void KProcess::UnpinThread(KThread* thread) {
+    ASSERT(kernel.GlobalSchedulerContext().IsLocked());
+
+    // Get the thread's core id.
+    const auto core_id = thread->GetActiveCore();
+
+    // Unpin it.
+    UnpinThread(core_id, thread);
+    thread->Unpin();
+
+    // An update is needed.
+    KScheduler::SetSchedulerUpdateNeeded(kernel);
+}
+
 ResultCode KProcess::AddSharedMemory(KSharedMemory* shmem, [[maybe_unused]] VAddr address,
                                      [[maybe_unused]] size_t size) {
     // Lock ourselves, to prevent concurrent access.

src/core/hle/kernel/k_process.h

@@ -347,6 +347,7 @@ public:
 
     void PinCurrentThread();
     void UnpinCurrentThread();
+    void UnpinThread(KThread* thread);
 
     KLightLock& GetStateLock() {
         return state_lock;

src/core/hle/kernel/k_scheduler.cpp

@@ -240,8 +240,8 @@ void KScheduler::OnThreadPriorityChanged(KernelCore& kernel, KThread* thread, s3
 
     // If the thread is runnable, we want to change its priority in the queue.
     if (thread->GetRawState() == ThreadState::Runnable) {
-        GetPriorityQueue(kernel).ChangePriority(
-            old_priority, thread == kernel.CurrentScheduler()->GetCurrentThread(), thread);
+        GetPriorityQueue(kernel).ChangePriority(old_priority,
+                                                thread == kernel.GetCurrentEmuThread(), thread);
         IncrementScheduledCount(thread);
         SetSchedulerUpdateNeeded(kernel);
     }
@@ -360,7 +360,7 @@ void KScheduler::RotateScheduledQueue(s32 cpu_core_id, s32 priority) {
 }
 
 bool KScheduler::CanSchedule(KernelCore& kernel) {
-    return kernel.CurrentScheduler()->GetCurrentThread()->GetDisableDispatchCount() <= 1;
+    return kernel.GetCurrentEmuThread()->GetDisableDispatchCount() <= 1;
 }
 
 bool KScheduler::IsSchedulerUpdateNeeded(const KernelCore& kernel) {
@@ -376,20 +376,30 @@ void KScheduler::ClearSchedulerUpdateNeeded(KernelCore& kernel) {
 }
 
 void KScheduler::DisableScheduling(KernelCore& kernel) {
-    if (auto* scheduler = kernel.CurrentScheduler(); scheduler) {
-        ASSERT(scheduler->GetCurrentThread()->GetDisableDispatchCount() >= 0);
-        scheduler->GetCurrentThread()->DisableDispatch();
+    // If we are shutting down the kernel, none of this is relevant anymore.
+    if (kernel.IsShuttingDown()) {
+        return;
     }
+
+    ASSERT(GetCurrentThreadPointer(kernel)->GetDisableDispatchCount() >= 0);
+    GetCurrentThreadPointer(kernel)->DisableDispatch();
 }
 
 void KScheduler::EnableScheduling(KernelCore& kernel, u64 cores_needing_scheduling) {
-    if (auto* scheduler = kernel.CurrentScheduler(); scheduler) {
-        ASSERT(scheduler->GetCurrentThread()->GetDisableDispatchCount() >= 1);
-        if (scheduler->GetCurrentThread()->GetDisableDispatchCount() >= 1) {
-            scheduler->GetCurrentThread()->EnableDispatch();
-        }
+    // If we are shutting down the kernel, none of this is relevant anymore.
+    if (kernel.IsShuttingDown()) {
+        return;
+    }
+
+    auto* current_thread = GetCurrentThreadPointer(kernel);
+
+    ASSERT(current_thread->GetDisableDispatchCount() >= 1);
+
+    if (current_thread->GetDisableDispatchCount() > 1) {
+        current_thread->EnableDispatch();
+    } else {
+        RescheduleCores(kernel, cores_needing_scheduling);
     }
-    RescheduleCores(kernel, cores_needing_scheduling);
 }
 
 u64 KScheduler::UpdateHighestPriorityThreads(KernelCore& kernel) {
@@ -617,13 +627,17 @@ KScheduler::KScheduler(Core::System& system_, s32 core_id_) : system{system_}, c
     state.highest_priority_thread = nullptr;
 }
 
-KScheduler::~KScheduler() {
+void KScheduler::Finalize() {
     if (idle_thread) {
         idle_thread->Close();
         idle_thread = nullptr;
     }
 }
 
+KScheduler::~KScheduler() {
+    ASSERT(!idle_thread);
+}
+
 KThread* KScheduler::GetCurrentThread() const {
     if (auto result = current_thread.load(); result) {
         return result;
@@ -642,10 +656,12 @@ void KScheduler::RescheduleCurrentCore() {
     if (phys_core.IsInterrupted()) {
         phys_core.ClearInterrupt();
     }
+
     guard.Lock();
     if (state.needs_scheduling.load()) {
         Schedule();
     } else {
+        GetCurrentThread()->EnableDispatch();
         guard.Unlock();
     }
 }
@@ -655,26 +671,33 @@ void KScheduler::OnThreadStart() {
 }
 
 void KScheduler::Unload(KThread* thread) {
+    ASSERT(thread);
+
     LOG_TRACE(Kernel, "core {}, unload thread {}", core_id, thread ? thread->GetName() : "nullptr");
 
-    if (thread) {
-        if (thread->IsCallingSvc()) {
-            thread->ClearIsCallingSvc();
-        }
-        if (!thread->IsTerminationRequested()) {
-            prev_thread = thread;
-
-            Core::ARM_Interface& cpu_core = system.ArmInterface(core_id);
-            cpu_core.SaveContext(thread->GetContext32());
-            cpu_core.SaveContext(thread->GetContext64());
-            // Save the TPIDR_EL0 system register in case it was modified.
-            thread->SetTPIDR_EL0(cpu_core.GetTPIDR_EL0());
-            cpu_core.ClearExclusiveState();
-        } else {
-            prev_thread = nullptr;
-        }
-        thread->context_guard.Unlock();
+    if (thread->IsCallingSvc()) {
+        thread->ClearIsCallingSvc();
     }
+
+    auto& physical_core = system.Kernel().PhysicalCore(core_id);
+    if (!physical_core.IsInitialized()) {
+        return;
+    }
+
+    Core::ARM_Interface& cpu_core = physical_core.ArmInterface();
+    cpu_core.SaveContext(thread->GetContext32());
+    cpu_core.SaveContext(thread->GetContext64());
+    // Save the TPIDR_EL0 system register in case it was modified.
+    thread->SetTPIDR_EL0(cpu_core.GetTPIDR_EL0());
+    cpu_core.ClearExclusiveState();
+
+    if (!thread->IsTerminationRequested() && thread->GetActiveCore() == core_id) {
+        prev_thread = thread;
+    } else {
+        prev_thread = nullptr;
+    }
+
+    thread->context_guard.Unlock();
 }
 
 void KScheduler::Reload(KThread* thread) {
@@ -683,11 +706,6 @@ void KScheduler::Reload(KThread* thread) {
     if (thread) {
         ASSERT_MSG(thread->GetState() == ThreadState::Runnable, "Thread must be runnable.");
 
-        auto* const thread_owner_process = thread->GetOwnerProcess();
-        if (thread_owner_process != nullptr) {
-            system.Kernel().MakeCurrentProcess(thread_owner_process);
-        }
-
         Core::ARM_Interface& cpu_core = system.ArmInterface(core_id);
         cpu_core.LoadContext(thread->GetContext32());
         cpu_core.LoadContext(thread->GetContext64());
@@ -705,7 +723,7 @@ void KScheduler::SwitchContextStep2() {
 }
 
 void KScheduler::ScheduleImpl() {
-    KThread* previous_thread = current_thread.load();
+    KThread* previous_thread = GetCurrentThread();
     KThread* next_thread = state.highest_priority_thread;
 
     state.needs_scheduling = false;
@@ -717,10 +735,15 @@ void KScheduler::ScheduleImpl() {
 
     // If we're not actually switching thread, there's nothing to do.
     if (next_thread == current_thread.load()) {
+        previous_thread->EnableDispatch();
         guard.Unlock();
         return;
     }
 
+    if (next_thread->GetCurrentCore() != core_id) {
+        next_thread->SetCurrentCore(core_id);
+    }
+
     current_thread.store(next_thread);
 
     KProcess* const previous_process = system.Kernel().CurrentProcess();
@@ -731,11 +754,7 @@ void KScheduler::ScheduleImpl() {
     Unload(previous_thread);
 
     std::shared_ptr<Common::Fiber>* old_context;
-    if (previous_thread != nullptr) {
-        old_context = &previous_thread->GetHostContext();
-    } else {
-        old_context = &idle_thread->GetHostContext();
-    }
+    old_context = &previous_thread->GetHostContext();
     guard.Unlock();
 
     Common::Fiber::YieldTo(*old_context, *switch_fiber);

src/core/hle/kernel/k_scheduler.h

@@ -33,6 +33,8 @@ public:
     explicit KScheduler(Core::System& system_, s32 core_id_);
     ~KScheduler();
 
+    void Finalize();
+
     /// Reschedules to the next available thread (call after current thread is suspended)
     void RescheduleCurrentCore();
 

src/core/hle/kernel/k_scheduler_lock.h

@@ -23,6 +23,11 @@ public:
     }
 
     void Lock() {
+        // If we are shutting down the kernel, none of this is relevant anymore.
+        if (kernel.IsShuttingDown()) {
+            return;
+        }
+
         if (IsLockedByCurrentThread()) {
             // If we already own the lock, we can just increment the count.
             ASSERT(lock_count > 0);
@@ -43,6 +48,11 @@ public:
     }
 
     void Unlock() {
+        // If we are shutting down the kernel, none of this is relevant anymore.
+        if (kernel.IsShuttingDown()) {
+            return;
+        }
+
         ASSERT(IsLockedByCurrentThread());
         ASSERT(lock_count > 0);
 

src/core/hle/kernel/k_scoped_scheduler_lock_and_sleep.h

@@ -8,6 +8,7 @@
 #pragma once
 
 #include "common/common_types.h"
+#include "core/hle/kernel/global_scheduler_context.h"
 #include "core/hle/kernel/k_thread.h"
 #include "core/hle/kernel/kernel.h"
 #include "core/hle/kernel/time_manager.h"

src/core/hle/kernel/k_server_session.cpp

@@ -175,8 +175,7 @@ ResultCode KServerSession::CompleteSyncRequest(HLERequestContext& context) {
     {
         KScopedSchedulerLock lock(kernel);
         if (!context.IsThreadWaiting()) {
-            context.GetThread().Wakeup();
-            context.GetThread().SetSyncedObject(nullptr, result);
+            context.GetThread().EndWait(result);
         }
     }
 

src/core/hle/kernel/k_synchronization_object.cpp

@@ -8,11 +8,66 @@
 #include "core/hle/kernel/k_scoped_scheduler_lock_and_sleep.h"
 #include "core/hle/kernel/k_synchronization_object.h"
 #include "core/hle/kernel/k_thread.h"
+#include "core/hle/kernel/k_thread_queue.h"
 #include "core/hle/kernel/kernel.h"
 #include "core/hle/kernel/svc_results.h"
 
 namespace Kernel {
 
+namespace {
+
+class ThreadQueueImplForKSynchronizationObjectWait final : public KThreadQueueWithoutEndWait {
+public:
+    ThreadQueueImplForKSynchronizationObjectWait(KernelCore& kernel_, KSynchronizationObject** o,
+                                                 KSynchronizationObject::ThreadListNode* n, s32 c)
+        : KThreadQueueWithoutEndWait(kernel_), m_objects(o), m_nodes(n), m_count(c) {}
+
+    void NotifyAvailable(KThread* waiting_thread, KSynchronizationObject* signaled_object,
+                         ResultCode wait_result) override {
+        // Determine the sync index, and unlink all nodes.
+        s32 sync_index = -1;
+        for (auto i = 0; i < m_count; ++i) {
+            // Check if this is the signaled object.
+            if (m_objects[i] == signaled_object && sync_index == -1) {
+                sync_index = i;
+            }
+
+            // Unlink the current node from the current object.
+            m_objects[i]->UnlinkNode(std::addressof(m_nodes[i]));
+        }
+
+        // Set the waiting thread's sync index.
+        waiting_thread->SetSyncedIndex(sync_index);
+
+        // Set the waiting thread as not cancellable.
+        waiting_thread->ClearCancellable();
+
+        // Invoke the base end wait handler.
+        KThreadQueue::EndWait(waiting_thread, wait_result);
+    }
+
+    void CancelWait(KThread* waiting_thread, ResultCode wait_result,
+                    bool cancel_timer_task) override {
+        // Remove all nodes from our list.
+        for (auto i = 0; i < m_count; ++i) {
+            m_objects[i]->UnlinkNode(std::addressof(m_nodes[i]));
+        }
+
+        // Set the waiting thread as not cancellable.
+        waiting_thread->ClearCancellable();
+
+        // Invoke the base cancel wait handler.
+        KThreadQueue::CancelWait(waiting_thread, wait_result, cancel_timer_task);
+    }
+
+private:
+    KSynchronizationObject** m_objects;
+    KSynchronizationObject::ThreadListNode* m_nodes;
+    s32 m_count;
+};
+
+} // namespace
+
 void KSynchronizationObject::Finalize() {
     this->OnFinalizeSynchronizationObject();
     KAutoObject::Finalize();
@@ -25,11 +80,19 @@ ResultCode KSynchronizationObject::Wait(KernelCore& kernel_ctx, s32* out_index,
     std::vector<ThreadListNode> thread_nodes(num_objects);
 
     // Prepare for wait.
-    KThread* thread = kernel_ctx.CurrentScheduler()->GetCurrentThread();
+    KThread* thread = GetCurrentThreadPointer(kernel_ctx);
+    ThreadQueueImplForKSynchronizationObjectWait wait_queue(kernel_ctx, objects,
+                                                            thread_nodes.data(), num_objects);
 
     {
         // Setup the scheduling lock and sleep.
-        KScopedSchedulerLockAndSleep slp{kernel_ctx, thread, timeout};
+        KScopedSchedulerLockAndSleep slp(kernel_ctx, thread, timeout);
+
+        // Check if the thread should terminate.
+        if (thread->IsTerminationRequested()) {
+            slp.CancelSleep();
+            return ResultTerminationRequested;
+        }
 
         // Check if any of the objects are already signaled.
         for (auto i = 0; i < num_objects; ++i) {
@@ -48,12 +111,6 @@ ResultCode KSynchronizationObject::Wait(KernelCore& kernel_ctx, s32* out_index,
             return ResultTimedOut;
         }
 
-        // Check if the thread should terminate.
-        if (thread->IsTerminationRequested()) {
-            slp.CancelSleep();
-            return ResultTerminationRequested;
-        }
-
         // Check if waiting was canceled.
         if (thread->IsWaitCancelled()) {
             slp.CancelSleep();
@@ -66,73 +123,25 @@ ResultCode KSynchronizationObject::Wait(KernelCore& kernel_ctx, s32* out_index,
             thread_nodes[i].thread = thread;
             thread_nodes[i].next = nullptr;
 
-            if (objects[i]->thread_list_tail == nullptr) {
-                objects[i]->thread_list_head = std::addressof(thread_nodes[i]);
-            } else {
-                objects[i]->thread_list_tail->next = std::addressof(thread_nodes[i]);
-            }
-
-            objects[i]->thread_list_tail = std::addressof(thread_nodes[i]);
+            objects[i]->LinkNode(std::addressof(thread_nodes[i]));
         }
 
-        // For debugging only
-        thread->SetWaitObjectsForDebugging({objects, static_cast<std::size_t>(num_objects)});
-
-        // Mark the thread as waiting.
+        // Mark the thread as cancellable.
         thread->SetCancellable();
-        thread->SetSyncedObject(nullptr, ResultTimedOut);
-        thread->SetState(ThreadState::Waiting);
+
+        // Clear the thread's synced index.
+        thread->SetSyncedIndex(-1);
+
+        // Wait for an object to be signaled.
+        thread->BeginWait(std::addressof(wait_queue));
         thread->SetWaitReasonForDebugging(ThreadWaitReasonForDebugging::Synchronization);
     }
 
-    // The lock/sleep is done, so we should be able to get our result.
-
-    // Thread is no longer cancellable.
-    thread->ClearCancellable();
-
-    // For debugging only
-    thread->SetWaitObjectsForDebugging({});
-
-    // Cancel the timer as needed.
-    kernel_ctx.TimeManager().UnscheduleTimeEvent(thread);
+    // Set the output index.
+    *out_index = thread->GetSyncedIndex();
 
     // Get the wait result.
-    ResultCode wait_result{ResultSuccess};
-    s32 sync_index = -1;
-    {
-        KScopedSchedulerLock lock(kernel_ctx);
-        KSynchronizationObject* synced_obj;
-        wait_result = thread->GetWaitResult(std::addressof(synced_obj));
-
-        for (auto i = 0; i < num_objects; ++i) {
-            // Unlink the object from the list.
-            ThreadListNode* prev_ptr =
-                reinterpret_cast<ThreadListNode*>(std::addressof(objects[i]->thread_list_head));
-            ThreadListNode* prev_val = nullptr;
-            ThreadListNode *prev, *tail_prev;
-
-            do {
-                prev = prev_ptr;
-                prev_ptr = prev_ptr->next;
-                tail_prev = prev_val;
-                prev_val = prev_ptr;
-            } while (prev_ptr != std::addressof(thread_nodes[i]));
-
-            if (objects[i]->thread_list_tail == std::addressof(thread_nodes[i])) {
-                objects[i]->thread_list_tail = tail_prev;
-            }
-
-            prev->next = thread_nodes[i].next;
-
-            if (objects[i] == synced_obj) {
-                sync_index = i;
-            }
-        }
-    }
-
-    // Set output.
-    *out_index = sync_index;
-    return wait_result;
+    return thread->GetWaitResult();
 }
 
 KSynchronizationObject::KSynchronizationObject(KernelCore& kernel_)
@@ -141,7 +150,7 @@ KSynchronizationObject::KSynchronizationObject(KernelCore& kernel_)
 KSynchronizationObject::~KSynchronizationObject() = default;
 
 void KSynchronizationObject::NotifyAvailable(ResultCode result) {
-    KScopedSchedulerLock lock(kernel);
+    KScopedSchedulerLock sl(kernel);
 
     // If we're not signaled, we've nothing to notify.
     if (!this->IsSignaled()) {
@@ -150,11 +159,7 @@ void KSynchronizationObject::NotifyAvailable(ResultCode result) {
 
     // Iterate over each thread.
     for (auto* cur_node = thread_list_head; cur_node != nullptr; cur_node = cur_node->next) {
-        KThread* thread = cur_node->thread;
-        if (thread->GetState() == ThreadState::Waiting) {
-            thread->SetSyncedObject(this, result);
-            thread->SetState(ThreadState::Runnable);
-        }
+        cur_node->thread->NotifyAvailable(this, result);
     }
 }
 

src/core/hle/kernel/k_synchronization_object.h

@@ -35,6 +35,38 @@ public:
 
     [[nodiscard]] std::vector<KThread*> GetWaitingThreadsForDebugging() const;
 
+    void LinkNode(ThreadListNode* node_) {
+        // Link the node to the list.
+        if (thread_list_tail == nullptr) {
+            thread_list_head = node_;
+        } else {
+            thread_list_tail->next = node_;
+        }
+
+        thread_list_tail = node_;
+    }
+
+    void UnlinkNode(ThreadListNode* node_) {
+        // Unlink the node from the list.
+        ThreadListNode* prev_ptr =
+            reinterpret_cast<ThreadListNode*>(std::addressof(thread_list_head));
+        ThreadListNode* prev_val = nullptr;
+        ThreadListNode *prev, *tail_prev;
+
+        do {
+            prev = prev_ptr;
+            prev_ptr = prev_ptr->next;
+            tail_prev = prev_val;
+            prev_val = prev_ptr;
+        } while (prev_ptr != node_);
+
+        if (thread_list_tail == node_) {
+            thread_list_tail = tail_prev;
+        }
+
+        prev->next = node_->next;
+    }
+
 protected:
     explicit KSynchronizationObject(KernelCore& kernel);
     ~KSynchronizationObject() override;

src/core/hle/kernel/k_thread.cpp

@@ -13,6 +13,9 @@
 #include "common/common_types.h"
 #include "common/fiber.h"
 #include "common/logging/log.h"
+#include "common/scope_exit.h"
+#include "common/settings.h"
+#include "common/thread_queue_list.h"
 #include "core/core.h"
 #include "core/cpu_manager.h"
 #include "core/hardware_properties.h"
@@ -56,6 +59,34 @@ static void ResetThreadContext64(Core::ARM_Interface::ThreadContext64& context,
 
 namespace Kernel {
 
+namespace {
+
+class ThreadQueueImplForKThreadSleep final : public KThreadQueueWithoutEndWait {
+public:
+    explicit ThreadQueueImplForKThreadSleep(KernelCore& kernel_)
+        : KThreadQueueWithoutEndWait(kernel_) {}
+};
+
+class ThreadQueueImplForKThreadSetProperty final : public KThreadQueue {
+public:
+    explicit ThreadQueueImplForKThreadSetProperty(KernelCore& kernel_, KThread::WaiterList* wl)
+        : KThreadQueue(kernel_), m_wait_list(wl) {}
+
+    void CancelWait(KThread* waiting_thread, ResultCode wait_result,
+                    bool cancel_timer_task) override {
+        // Remove the thread from the wait list.
+        m_wait_list->erase(m_wait_list->iterator_to(*waiting_thread));
+
+        // Invoke the base cancel wait handler.
+        KThreadQueue::CancelWait(waiting_thread, wait_result, cancel_timer_task);
+    }
+
+private:
+    KThread::WaiterList* m_wait_list;
+};
+
+} // namespace
+
 KThread::KThread(KernelCore& kernel_)
     : KAutoObjectWithSlabHeapAndContainer{kernel_}, activity_pause_lock{kernel_} {}
 KThread::~KThread() = default;
@@ -82,6 +113,8 @@ ResultCode KThread::Initialize(KThreadFunction func, uintptr_t arg, VAddr user_s
         [[fallthrough]];
     case ThreadType::HighPriority:
         [[fallthrough]];
+    case ThreadType::Dummy:
+        [[fallthrough]];
     case ThreadType::User:
         ASSERT(((owner == nullptr) ||
                 (owner->GetCoreMask() | (1ULL << virt_core)) == owner->GetCoreMask()));
@@ -127,11 +160,8 @@ ResultCode KThread::Initialize(KThreadFunction func, uintptr_t arg, VAddr user_s
     priority = prio;
     base_priority = prio;
 
-    // Set sync object and waiting lock to null.
-    synced_object = nullptr;
-
     // Initialize sleeping queue.
-    sleeping_queue = nullptr;
+    wait_queue = nullptr;
 
     // Set suspend flags.
     suspend_request_flags = 0;
@@ -184,7 +214,7 @@ ResultCode KThread::Initialize(KThreadFunction func, uintptr_t arg, VAddr user_s
     // Setup the stack parameters.
     StackParameters& sp = GetStackParameters();
     sp.cur_thread = this;
-    sp.disable_count = 1;
+    sp.disable_count = 0;
     SetInExceptionHandler();
 
     // Set thread ID.
@@ -211,15 +241,16 @@ ResultCode KThread::InitializeThread(KThread* thread, KThreadFunction func, uint
     // Initialize the thread.
     R_TRY(thread->Initialize(func, arg, user_stack_top, prio, core, owner, type));
 
-    // Initialize host context.
+    // Initialize emulation parameters.
     thread->host_context =
         std::make_shared<Common::Fiber>(std::move(init_func), init_func_parameter);
+    thread->is_single_core = !Settings::values.use_multi_core.GetValue();
 
     return ResultSuccess;
 }
 
 ResultCode KThread::InitializeDummyThread(KThread* thread) {
-    return thread->Initialize({}, {}, {}, DefaultThreadPriority, 3, {}, ThreadType::Main);
+    return thread->Initialize({}, {}, {}, DefaultThreadPriority, 3, {}, ThreadType::Dummy);
 }
 
 ResultCode KThread::InitializeIdleThread(Core::System& system, KThread* thread, s32 virt_core) {
@@ -273,11 +304,14 @@ void KThread::Finalize() {
 
         auto it = waiter_list.begin();
         while (it != waiter_list.end()) {
-            // The thread shouldn't be a kernel waiter.
+            // Clear the lock owner
             it->SetLockOwner(nullptr);
-            it->SetSyncedObject(nullptr, ResultInvalidState);
-            it->Wakeup();
+
+            // Erase the waiter from our list.
             it = waiter_list.erase(it);
+
+            // Cancel the thread's wait.
+            it->CancelWait(ResultInvalidState, true);
         }
     }
 
@@ -294,15 +328,12 @@ bool KThread::IsSignaled() const {
     return signaled;
 }
 
-void KThread::Wakeup() {
-    KScopedSchedulerLock sl{kernel};
+void KThread::OnTimer() {
+    ASSERT(kernel.GlobalSchedulerContext().IsLocked());
 
+    // If we're waiting, cancel the wait.
     if (GetState() == ThreadState::Waiting) {
-        if (sleeping_queue != nullptr) {
-            sleeping_queue->WakeupThread(this);
-        } else {
-            SetState(ThreadState::Runnable);
-        }
+        wait_queue->CancelWait(this, ResultTimedOut, false);
     }
 }
 
@@ -327,7 +358,7 @@ void KThread::StartTermination() {
 
     // Signal.
     signaled = true;
-    NotifyAvailable();
+    KSynchronizationObject::NotifyAvailable();
 
     // Clear previous thread in KScheduler.
     KScheduler::ClearPreviousThread(kernel, this);
@@ -475,30 +506,32 @@ ResultCode KThread::GetPhysicalCoreMask(s32* out_ideal_core, u64* out_affinity_m
     return ResultSuccess;
 }
 
-ResultCode KThread::SetCoreMask(s32 cpu_core_id, u64 v_affinity_mask) {
+ResultCode KThread::SetCoreMask(s32 core_id_, u64 v_affinity_mask) {
     ASSERT(parent != nullptr);
     ASSERT(v_affinity_mask != 0);
-    KScopedLightLock lk{activity_pause_lock};
+    KScopedLightLock lk(activity_pause_lock);
 
     // Set the core mask.
     u64 p_affinity_mask = 0;
     {
-        KScopedSchedulerLock sl{kernel};
+        KScopedSchedulerLock sl(kernel);
         ASSERT(num_core_migration_disables >= 0);
 
-        // If the core id is no-update magic, preserve the ideal core id.
-        if (cpu_core_id == Svc::IdealCoreNoUpdate) {
-            cpu_core_id = virtual_ideal_core_id;
-            R_UNLESS(((1ULL << cpu_core_id) & v_affinity_mask) != 0, ResultInvalidCombination);
+        // If we're updating, set our ideal virtual core.
+        if (core_id_ != Svc::IdealCoreNoUpdate) {
+            virtual_ideal_core_id = core_id_;
+        } else {
+            // Preserve our ideal core id.
+            core_id_ = virtual_ideal_core_id;
+            R_UNLESS(((1ULL << core_id_) & v_affinity_mask) != 0, ResultInvalidCombination);
         }
 
-        // Set the virtual core/affinity mask.
-        virtual_ideal_core_id = cpu_core_id;
+        // Set our affinity mask.
         virtual_affinity_mask = v_affinity_mask;
 
         // Translate the virtual core to a physical core.
-        if (cpu_core_id >= 0) {
-            cpu_core_id = Core::Hardware::VirtualToPhysicalCoreMap[cpu_core_id];
+        if (core_id_ >= 0) {
+            core_id_ = Core::Hardware::VirtualToPhysicalCoreMap[core_id_];
         }
 
         // Translate the virtual affinity mask to a physical one.
@@ -513,7 +546,7 @@ ResultCode KThread::SetCoreMask(s32 cpu_core_id, u64 v_affinity_mask) {
             const KAffinityMask old_mask = physical_affinity_mask;
 
             // Set our new ideals.
-            physical_ideal_core_id = cpu_core_id;
+            physical_ideal_core_id = core_id_;
             physical_affinity_mask.SetAffinityMask(p_affinity_mask);
 
             if (physical_affinity_mask.GetAffinityMask() != old_mask.GetAffinityMask()) {
@@ -531,18 +564,18 @@ ResultCode KThread::SetCoreMask(s32 cpu_core_id, u64 v_affinity_mask) {
             }
         } else {
             // Otherwise, we edit the original affinity for restoration later.
-            original_physical_ideal_core_id = cpu_core_id;
+            original_physical_ideal_core_id = core_id_;
             original_physical_affinity_mask.SetAffinityMask(p_affinity_mask);
         }
     }
 
     // Update the pinned waiter list.
+    ThreadQueueImplForKThreadSetProperty wait_queue_(kernel, std::addressof(pinned_waiter_list));
     {
         bool retry_update{};
-        bool thread_is_pinned{};
         do {
             // Lock the scheduler.
-            KScopedSchedulerLock sl{kernel};
+            KScopedSchedulerLock sl(kernel);
 
             // Don't do any further management if our termination has been requested.
             R_SUCCEED_IF(IsTerminationRequested());
@@ -570,12 +603,9 @@ ResultCode KThread::SetCoreMask(s32 cpu_core_id, u64 v_affinity_mask) {
                     R_UNLESS(!GetCurrentThread(kernel).IsTerminationRequested(),
                              ResultTerminationRequested);
 
-                    // Note that the thread was pinned.
-                    thread_is_pinned = true;
-
                     // Wait until the thread isn't pinned any more.
                     pinned_waiter_list.push_back(GetCurrentThread(kernel));
-                    GetCurrentThread(kernel).SetState(ThreadState::Waiting);
+                    GetCurrentThread(kernel).BeginWait(std::addressof(wait_queue_));
                 } else {
                     // If the thread isn't pinned, release the scheduler lock and retry until it's
                     // not current.
@@ -583,16 +613,6 @@ ResultCode KThread::SetCoreMask(s32 cpu_core_id, u64 v_affinity_mask) {
                 }
             }
         } while (retry_update);
-
-        // If the thread was pinned, it no longer is, and we should remove the current thread from
-        // our waiter list.
-        if (thread_is_pinned) {
-            // Lock the scheduler.
-            KScopedSchedulerLock sl{kernel};
-
-            // Remove from the list.
-            pinned_waiter_list.erase(pinned_waiter_list.iterator_to(GetCurrentThread(kernel)));
-        }
     }
 
     return ResultSuccess;
@@ -641,15 +661,9 @@ void KThread::WaitCancel() {
     KScopedSchedulerLock sl{kernel};
 
     // Check if we're waiting and cancellable.
-    if (GetState() == ThreadState::Waiting && cancellable) {
-        if (sleeping_queue != nullptr) {
-            sleeping_queue->WakeupThread(this);
-            wait_cancelled = true;
-        } else {
-            SetSyncedObject(nullptr, ResultCancelled);
-            SetState(ThreadState::Runnable);
-            wait_cancelled = false;
-        }
+    if (this->GetState() == ThreadState::Waiting && cancellable) {
+        wait_cancelled = false;
+        wait_queue->CancelWait(this, ResultCancelled, true);
     } else {
         // Otherwise, note that we cancelled a wait.
         wait_cancelled = true;
@@ -700,60 +714,59 @@ ResultCode KThread::SetActivity(Svc::ThreadActivity activity) {
     // Set the activity.
     {
         // Lock the scheduler.
-        KScopedSchedulerLock sl{kernel};
+        KScopedSchedulerLock sl(kernel);
 
         // Verify our state.
-        const auto cur_state = GetState();
+        const auto cur_state = this->GetState();
         R_UNLESS((cur_state == ThreadState::Waiting || cur_state == ThreadState::Runnable),
                  ResultInvalidState);
 
         // Either pause or resume.
         if (activity == Svc::ThreadActivity::Paused) {
             // Verify that we're not suspended.
-            R_UNLESS(!IsSuspendRequested(SuspendType::Thread), ResultInvalidState);
+            R_UNLESS(!this->IsSuspendRequested(SuspendType::Thread), ResultInvalidState);
 
             // Suspend.
-            RequestSuspend(SuspendType::Thread);
+            this->RequestSuspend(SuspendType::Thread);
         } else {
             ASSERT(activity == Svc::ThreadActivity::Runnable);
 
             // Verify that we're suspended.
-            R_UNLESS(IsSuspendRequested(SuspendType::Thread), ResultInvalidState);
+            R_UNLESS(this->IsSuspendRequested(SuspendType::Thread), ResultInvalidState);
 
             // Resume.
-            Resume(SuspendType::Thread);
+            this->Resume(SuspendType::Thread);
         }
     }
 
     // If the thread is now paused, update the pinned waiter list.
     if (activity == Svc::ThreadActivity::Paused) {
-        bool thread_is_pinned{};
-        bool thread_is_current{};
+        ThreadQueueImplForKThreadSetProperty wait_queue_(kernel,
+                                                         std::addressof(pinned_waiter_list));
+
+        bool thread_is_current;
         do {
             // Lock the scheduler.
-            KScopedSchedulerLock sl{kernel};
+            KScopedSchedulerLock sl(kernel);
 
             // Don't do any further management if our termination has been requested.
-            R_SUCCEED_IF(IsTerminationRequested());
+            R_SUCCEED_IF(this->IsTerminationRequested());
+
+            // By default, treat the thread as not current.
+            thread_is_current = false;
 
             // Check whether the thread is pinned.
-            if (GetStackParameters().is_pinned) {
+            if (this->GetStackParameters().is_pinned) {
                 // Verify that the current thread isn't terminating.
                 R_UNLESS(!GetCurrentThread(kernel).IsTerminationRequested(),
                          ResultTerminationRequested);
 
-                // Note that the thread was pinned and not current.
-                thread_is_pinned = true;
-                thread_is_current = false;
-
                 // Wait until the thread isn't pinned any more.
                 pinned_waiter_list.push_back(GetCurrentThread(kernel));
-                GetCurrentThread(kernel).SetState(ThreadState::Waiting);
+                GetCurrentThread(kernel).BeginWait(std::addressof(wait_queue_));
             } else {
                 // Check if the thread is currently running.
                 // If it is, we'll need to retry.
-                thread_is_current = false;
-
                 for (auto i = 0; i < static_cast<s32>(Core::Hardware::NUM_CPU_CORES); ++i) {
                     if (kernel.Scheduler(i).GetCurrentThread() == this) {
                         thread_is_current = true;
@@ -762,16 +775,6 @@ ResultCode KThread::SetActivity(Svc::ThreadActivity activity) {
                 }
             }
         } while (thread_is_current);
-
-        // If the thread was pinned, it no longer is, and we should remove the current thread from
-        // our waiter list.
-        if (thread_is_pinned) {
-            // Lock the scheduler.
-            KScopedSchedulerLock sl{kernel};
-
-            // Remove from the list.
-            pinned_waiter_list.erase(pinned_waiter_list.iterator_to(GetCurrentThread(kernel)));
-        }
     }
 
     return ResultSuccess;
@@ -966,6 +969,9 @@ ResultCode KThread::Run() {
 
         // Set our state and finish.
         SetState(ThreadState::Runnable);
+
+        DisableDispatch();
+
         return ResultSuccess;
     }
 }
@@ -996,29 +1002,63 @@ ResultCode KThread::Sleep(s64 timeout) {
     ASSERT(this == GetCurrentThreadPointer(kernel));
     ASSERT(timeout > 0);
 
+    ThreadQueueImplForKThreadSleep wait_queue_(kernel);
     {
         // Setup the scheduling lock and sleep.
-        KScopedSchedulerLockAndSleep slp{kernel, this, timeout};
+        KScopedSchedulerLockAndSleep slp(kernel, this, timeout);
 
         // Check if the thread should terminate.
-        if (IsTerminationRequested()) {
+        if (this->IsTerminationRequested()) {
             slp.CancelSleep();
             return ResultTerminationRequested;
         }
 
-        // Mark the thread as waiting.
-        SetState(ThreadState::Waiting);
+        // Wait for the sleep to end.
+        this->BeginWait(std::addressof(wait_queue_));
         SetWaitReasonForDebugging(ThreadWaitReasonForDebugging::Sleep);
     }
 
-    // The lock/sleep is done.
-
-    // Cancel the timer.
-    kernel.TimeManager().UnscheduleTimeEvent(this);
-
     return ResultSuccess;
 }
 
+void KThread::BeginWait(KThreadQueue* queue) {
+    // Set our state as waiting.
+    SetState(ThreadState::Waiting);
+
+    // Set our wait queue.
+    wait_queue = queue;
+}
+
+void KThread::NotifyAvailable(KSynchronizationObject* signaled_object, ResultCode wait_result_) {
+    // Lock the scheduler.
+    KScopedSchedulerLock sl(kernel);
+
+    // If we're waiting, notify our queue that we're available.
+    if (GetState() == ThreadState::Waiting) {
+        wait_queue->NotifyAvailable(this, signaled_object, wait_result_);
+    }
+}
+
+void KThread::EndWait(ResultCode wait_result_) {
+    // Lock the scheduler.
+    KScopedSchedulerLock sl(kernel);
+
+    // If we're waiting, notify our queue that we're available.
+    if (GetState() == ThreadState::Waiting) {
+        wait_queue->EndWait(this, wait_result_);
+    }
+}
+
+void KThread::CancelWait(ResultCode wait_result_, bool cancel_timer_task) {
+    // Lock the scheduler.
+    KScopedSchedulerLock sl(kernel);
+
+    // If we're waiting, notify our queue that we're available.
+    if (GetState() == ThreadState::Waiting) {
+        wait_queue->CancelWait(this, wait_result_, cancel_timer_task);
+    }
+}
+
 void KThread::SetState(ThreadState state) {
     KScopedSchedulerLock sl{kernel};
 
@@ -1050,4 +1090,26 @@ s32 GetCurrentCoreId(KernelCore& kernel) {
     return GetCurrentThread(kernel).GetCurrentCore();
 }
 
+KScopedDisableDispatch::~KScopedDisableDispatch() {
+    // If we are shutting down the kernel, none of this is relevant anymore.
+    if (kernel.IsShuttingDown()) {
+        return;
+    }
+
+    // Skip the reschedule if single-core, as dispatch tracking is disabled here.
+    if (!Settings::values.use_multi_core.GetValue()) {
+        return;
+    }
+
+    if (GetCurrentThread(kernel).GetDisableDispatchCount() <= 1) {
+        auto scheduler = kernel.CurrentScheduler();
+
+        if (scheduler) {
+            scheduler->RescheduleCurrentCore();
+        }
+    } else {
+        GetCurrentThread(kernel).EnableDispatch();
+    }
+}
+
 } // namespace Kernel

src/core/hle/kernel/k_thread.h

@@ -48,6 +48,7 @@ enum class ThreadType : u32 {
     Kernel = 1,
     HighPriority = 2,
     User = 3,
+    Dummy = 100, // Special thread type for emulation purposes only
 };
 DECLARE_ENUM_FLAG_OPERATORS(ThreadType);
 
@@ -161,8 +162,6 @@ public:
         }
     }
 
-    void Wakeup();
-
     void SetBasePriority(s32 value);
 
     [[nodiscard]] ResultCode Run();
@@ -197,13 +196,19 @@ public:
 
     void Suspend();
 
-    void SetSyncedObject(KSynchronizationObject* obj, ResultCode wait_res) {
-        synced_object = obj;
+    constexpr void SetSyncedIndex(s32 index) {
+        synced_index = index;
+    }
+
+    [[nodiscard]] constexpr s32 GetSyncedIndex() const {
+        return synced_index;
+    }
+
+    constexpr void SetWaitResult(ResultCode wait_res) {
         wait_result = wait_res;
     }
 
-    [[nodiscard]] ResultCode GetWaitResult(KSynchronizationObject** out) const {
-        *out = synced_object;
+    [[nodiscard]] constexpr ResultCode GetWaitResult() const {
         return wait_result;
     }
 
@@ -374,6 +379,8 @@ public:
 
     [[nodiscard]] bool IsSignaled() const override;
 
+    void OnTimer();
+
     static void PostDestroy(uintptr_t arg);
 
     [[nodiscard]] static ResultCode InitializeDummyThread(KThread* thread);
@@ -446,20 +453,39 @@ public:
         return per_core_priority_queue_entry[core];
     }
 
-    void SetSleepingQueue(KThreadQueue* q) {
-        sleeping_queue = q;
+    [[nodiscard]] bool IsKernelThread() const {
+        return GetActiveCore() == 3;
+    }
+
+    [[nodiscard]] bool IsDispatchTrackingDisabled() const {
+        return is_single_core || IsKernelThread();
     }
 
     [[nodiscard]] s32 GetDisableDispatchCount() const {
+        if (IsDispatchTrackingDisabled()) {
+            // TODO(bunnei): Until kernel threads are emulated, we cannot enable/disable dispatch.
+            return 1;
+        }
+
         return this->GetStackParameters().disable_count;
     }
 
     void DisableDispatch() {
+        if (IsDispatchTrackingDisabled()) {
+            // TODO(bunnei): Until kernel threads are emulated, we cannot enable/disable dispatch.
+            return;
+        }
+
         ASSERT(GetCurrentThread(kernel).GetDisableDispatchCount() >= 0);
         this->GetStackParameters().disable_count++;
     }
 
     void EnableDispatch() {
+        if (IsDispatchTrackingDisabled()) {
+            // TODO(bunnei): Until kernel threads are emulated, we cannot enable/disable dispatch.
+            return;
+        }
+
         ASSERT(GetCurrentThread(kernel).GetDisableDispatchCount() > 0);
         this->GetStackParameters().disable_count--;
     }
@@ -573,6 +599,15 @@ public:
         address_key_value = val;
     }
 
+    void ClearWaitQueue() {
+        wait_queue = nullptr;
+    }
+
+    void BeginWait(KThreadQueue* queue);
+    void NotifyAvailable(KSynchronizationObject* signaled_object, ResultCode wait_result_);
+    void EndWait(ResultCode wait_result_);
+    void CancelWait(ResultCode wait_result_, bool cancel_timer_task);
+
     [[nodiscard]] bool HasWaiters() const {
         return !waiter_list.empty();
     }
@@ -667,7 +702,6 @@ private:
     KAffinityMask physical_affinity_mask{};
     u64 thread_id{};
     std::atomic<s64> cpu_time{};
-    KSynchronizationObject* synced_object{};
     VAddr address_key{};
     KProcess* parent{};
     VAddr kernel_stack_top{};
@@ -677,13 +711,14 @@ private:
     s64 schedule_count{};
     s64 last_scheduled_tick{};
     std::array<QueueEntry, Core::Hardware::NUM_CPU_CORES> per_core_priority_queue_entry{};
-    KThreadQueue* sleeping_queue{};
+    KThreadQueue* wait_queue{};
     WaiterList waiter_list{};
     WaiterList pinned_waiter_list{};
     KThread* lock_owner{};
     u32 address_key_value{};
     u32 suspend_request_flags{};
     u32 suspend_allowed_flags{};
+    s32 synced_index{};
     ResultCode wait_result{ResultSuccess};
     s32 base_priority{};
     s32 physical_ideal_core_id{};
@@ -708,6 +743,7 @@ private:
 
     // For emulation
     std::shared_ptr<Common::Fiber> host_context{};
+    bool is_single_core{};
 
     // For debugging
     std::vector<KSynchronizationObject*> wait_objects_for_debugging;
@@ -752,4 +788,20 @@ public:
     }
 };
 
+class KScopedDisableDispatch {
+public:
+    [[nodiscard]] explicit KScopedDisableDispatch(KernelCore& kernel_) : kernel{kernel_} {
+        // If we are shutting down the kernel, none of this is relevant anymore.
+        if (kernel.IsShuttingDown()) {
+            return;
+        }
+        GetCurrentThread(kernel).DisableDispatch();
+    }
+
+    ~KScopedDisableDispatch();
+
+private:
+    KernelCore& kernel;
+};
+
 } // namespace Kernel

src/core/hle/kernel/k_thread_queue.cpp

@@ -0,0 +1,49 @@
+// Copyright 2021 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include "core/hle/kernel/k_thread_queue.h"
+#include "core/hle/kernel/kernel.h"
+#include "core/hle/kernel/time_manager.h"
+
+namespace Kernel {
+
+void KThreadQueue::NotifyAvailable([[maybe_unused]] KThread* waiting_thread,
+                                   [[maybe_unused]] KSynchronizationObject* signaled_object,
+                                   [[maybe_unused]] ResultCode wait_result) {}
+
+void KThreadQueue::EndWait(KThread* waiting_thread, ResultCode wait_result) {
+    // Set the thread's wait result.
+    waiting_thread->SetWaitResult(wait_result);
+
+    // Set the thread as runnable.
+    waiting_thread->SetState(ThreadState::Runnable);
+
+    // Clear the thread's wait queue.
+    waiting_thread->ClearWaitQueue();
+
+    // Cancel the thread task.
+    kernel.TimeManager().UnscheduleTimeEvent(waiting_thread);
+}
+
+void KThreadQueue::CancelWait(KThread* waiting_thread, ResultCode wait_result,
+                              bool cancel_timer_task) {
+    // Set the thread's wait result.
+    waiting_thread->SetWaitResult(wait_result);
+
+    // Set the thread as runnable.
+    waiting_thread->SetState(ThreadState::Runnable);
+
+    // Clear the thread's wait queue.
+    waiting_thread->ClearWaitQueue();
+
+    // Cancel the thread task.
+    if (cancel_timer_task) {
+        kernel.TimeManager().UnscheduleTimeEvent(waiting_thread);
+    }
+}
+
+void KThreadQueueWithoutEndWait::EndWait([[maybe_unused]] KThread* waiting_thread,
+                                         [[maybe_unused]] ResultCode wait_result) {}
+
+} // namespace Kernel

src/core/hle/kernel/k_thread_queue.h

@@ -4,6 +4,7 @@
 
 #pragma once
 
+#include "core/hle/kernel/k_scheduler.h"
 #include "core/hle/kernel/k_thread.h"
 
 namespace Kernel {
@@ -11,71 +12,24 @@ namespace Kernel {
 class KThreadQueue {
 public:
     explicit KThreadQueue(KernelCore& kernel_) : kernel{kernel_} {}
+    virtual ~KThreadQueue() = default;
 
-    bool IsEmpty() const {
-        return wait_list.empty();
-    }
-
-    KThread::WaiterList::iterator begin() {
-        return wait_list.begin();
-    }
-    KThread::WaiterList::iterator end() {
-        return wait_list.end();
-    }
-
-    bool SleepThread(KThread* t) {
-        KScopedSchedulerLock sl{kernel};
-
-        // If the thread needs terminating, don't enqueue it.
-        if (t->IsTerminationRequested()) {
-            return false;
-        }
-
-        // Set the thread's queue and mark it as waiting.
-        t->SetSleepingQueue(this);
-        t->SetState(ThreadState::Waiting);
-
-        // Add the thread to the queue.
-        wait_list.push_back(*t);
-
-        return true;
-    }
-
-    void WakeupThread(KThread* t) {
-        KScopedSchedulerLock sl{kernel};
-
-        // Remove the thread from the queue.
-        wait_list.erase(wait_list.iterator_to(*t));
-
-        // Mark the thread as no longer sleeping.
-        t->SetState(ThreadState::Runnable);
-        t->SetSleepingQueue(nullptr);
-    }
-
-    KThread* WakeupFrontThread() {
-        KScopedSchedulerLock sl{kernel};
-
-        if (wait_list.empty()) {
-            return nullptr;
-        } else {
-            // Remove the thread from the queue.
-            auto it = wait_list.begin();
-            KThread* thread = std::addressof(*it);
-            wait_list.erase(it);
-
-            ASSERT(thread->GetState() == ThreadState::Waiting);
-
-            // Mark the thread as no longer sleeping.
-            thread->SetState(ThreadState::Runnable);
-            thread->SetSleepingQueue(nullptr);
-
-            return thread;
-        }
-    }
+    virtual void NotifyAvailable(KThread* waiting_thread, KSynchronizationObject* signaled_object,
+                                 ResultCode wait_result);
+    virtual void EndWait(KThread* waiting_thread, ResultCode wait_result);
+    virtual void CancelWait(KThread* waiting_thread, ResultCode wait_result,
+                            bool cancel_timer_task);
 
 private:
     KernelCore& kernel;
     KThread::WaiterList wait_list{};
 };
 
+class KThreadQueueWithoutEndWait : public KThreadQueue {
+public:
+    explicit KThreadQueueWithoutEndWait(KernelCore& kernel_) : KThreadQueue(kernel_) {}
+
+    void EndWait(KThread* waiting_thread, ResultCode wait_result) override final;
+};
+
 } // namespace Kernel

src/core/hle/kernel/kernel.cpp

@@ -14,6 +14,7 @@
 #include "common/assert.h"
 #include "common/logging/log.h"
 #include "common/microprofile.h"
+#include "common/scope_exit.h"
 #include "common/thread.h"
 #include "common/thread_worker.h"
 #include "core/arm/arm_interface.h"
@@ -83,12 +84,16 @@ struct KernelCore::Impl {
     }
 
     void InitializeCores() {
-        for (auto& core : cores) {
-            core.Initialize(current_process->Is64BitProcess());
+        for (u32 core_id = 0; core_id < Core::Hardware::NUM_CPU_CORES; core_id++) {
+            cores[core_id].Initialize(current_process->Is64BitProcess());
+            system.Memory().SetCurrentPageTable(*current_process, core_id);
         }
     }
 
     void Shutdown() {
+        is_shutting_down.store(true, std::memory_order_relaxed);
+        SCOPE_EXIT({ is_shutting_down.store(false, std::memory_order_relaxed); });
+
         process_list.clear();
 
         // Close all open server ports.
@@ -123,15 +128,6 @@ struct KernelCore::Impl {
         next_user_process_id = KProcess::ProcessIDMin;
         next_thread_id = 1;
 
-        for (u32 core_id = 0; core_id < Core::Hardware::NUM_CPU_CORES; core_id++) {
-            if (suspend_threads[core_id]) {
-                suspend_threads[core_id]->Close();
-                suspend_threads[core_id] = nullptr;
-            }
-
-            schedulers[core_id].reset();
-        }
-
         cores.clear();
 
         global_handle_table->Finalize();
@@ -159,6 +155,16 @@ struct KernelCore::Impl {
         CleanupObject(time_shared_mem);
         CleanupObject(system_resource_limit);
 
+        for (u32 core_id = 0; core_id < Core::Hardware::NUM_CPU_CORES; core_id++) {
+            if (suspend_threads[core_id]) {
+                suspend_threads[core_id]->Close();
+                suspend_threads[core_id] = nullptr;
+            }
+
+            schedulers[core_id]->Finalize();
+            schedulers[core_id].reset();
+        }
+
         // Next host thead ID to use, 0-3 IDs represent core threads, >3 represent others
         next_host_thread_id = Core::Hardware::NUM_CPU_CORES;
 
@@ -245,13 +251,11 @@ struct KernelCore::Impl {
                     KScopedSchedulerLock lock(kernel);
                     global_scheduler_context->PreemptThreads();
                 }
-                const auto time_interval = std::chrono::nanoseconds{
-                    Core::Timing::msToCycles(std::chrono::milliseconds(10))};
+                const auto time_interval = std::chrono::nanoseconds{std::chrono::milliseconds(10)};
                 system.CoreTiming().ScheduleEvent(time_interval, preemption_event);
             });
 
-        const auto time_interval =
-            std::chrono::nanoseconds{Core::Timing::msToCycles(std::chrono::milliseconds(10))};
+        const auto time_interval = std::chrono::nanoseconds{std::chrono::milliseconds(10)};
         system.CoreTiming().ScheduleEvent(time_interval, preemption_event);
     }
 
@@ -267,14 +271,6 @@ struct KernelCore::Impl {
 
     void MakeCurrentProcess(KProcess* process) {
         current_process = process;
-        if (process == nullptr) {
-            return;
-        }
-
-        const u32 core_id = GetCurrentHostThreadID();
-        if (core_id < Core::Hardware::NUM_CPU_CORES) {
-            system.Memory().SetCurrentPageTable(*process, core_id);
-        }
     }
 
     static inline thread_local u32 host_thread_id = UINT32_MAX;
@@ -344,7 +340,16 @@ struct KernelCore::Impl {
         is_phantom_mode_for_singlecore = value;
     }
 
+    bool IsShuttingDown() const {
+        return is_shutting_down.load(std::memory_order_relaxed);
+    }
+
     KThread* GetCurrentEmuThread() {
+        // If we are shutting down the kernel, none of this is relevant anymore.
+        if (IsShuttingDown()) {
+            return {};
+        }
+
         const auto thread_id = GetCurrentHostThreadID();
         if (thread_id >= Core::Hardware::NUM_CPU_CORES) {
             return GetHostDummyThread();
@@ -760,6 +765,7 @@ struct KernelCore::Impl {
     std::vector<std::unique_ptr<KThread>> dummy_threads;
 
     bool is_multicore{};
+    std::atomic_bool is_shutting_down{};
     bool is_phantom_mode_for_singlecore{};
     u32 single_core_thread_id{};
 
@@ -845,16 +851,20 @@ const Kernel::PhysicalCore& KernelCore::PhysicalCore(std::size_t id) const {
     return impl->cores[id];
 }
 
+size_t KernelCore::CurrentPhysicalCoreIndex() const {
+    const u32 core_id = impl->GetCurrentHostThreadID();
+    if (core_id >= Core::Hardware::NUM_CPU_CORES) {
+        return Core::Hardware::NUM_CPU_CORES - 1;
+    }
+    return core_id;
+}
+
 Kernel::PhysicalCore& KernelCore::CurrentPhysicalCore() {
-    u32 core_id = impl->GetCurrentHostThreadID();
-    ASSERT(core_id < Core::Hardware::NUM_CPU_CORES);
-    return impl->cores[core_id];
+    return impl->cores[CurrentPhysicalCoreIndex()];
 }
 
 const Kernel::PhysicalCore& KernelCore::CurrentPhysicalCore() const {
-    u32 core_id = impl->GetCurrentHostThreadID();
-    ASSERT(core_id < Core::Hardware::NUM_CPU_CORES);
-    return impl->cores[core_id];
+    return impl->cores[CurrentPhysicalCoreIndex()];
 }
 
 Kernel::KScheduler* KernelCore::CurrentScheduler() {
@@ -1057,6 +1067,9 @@ void KernelCore::Suspend(bool in_suspention) {
             impl->suspend_threads[core_id]->SetState(state);
             impl->suspend_threads[core_id]->SetWaitReasonForDebugging(
                 ThreadWaitReasonForDebugging::Suspended);
+            if (!should_suspend) {
+                impl->suspend_threads[core_id]->DisableDispatch();
+            }
         }
     }
 }
@@ -1065,19 +1078,21 @@ bool KernelCore::IsMulticore() const {
     return impl->is_multicore;
 }
 
+bool KernelCore::IsShuttingDown() const {
+    return impl->IsShuttingDown();
+}
+
 void KernelCore::ExceptionalExit() {
     exception_exited = true;
     Suspend(true);
 }
 
 void KernelCore::EnterSVCProfile() {
-    std::size_t core = impl->GetCurrentHostThreadID();
-    impl->svc_ticks[core] = MicroProfileEnter(MICROPROFILE_TOKEN(Kernel_SVC));
+    impl->svc_ticks[CurrentPhysicalCoreIndex()] = MicroProfileEnter(MICROPROFILE_TOKEN(Kernel_SVC));
 }
 
 void KernelCore::ExitSVCProfile() {
-    std::size_t core = impl->GetCurrentHostThreadID();
-    MicroProfileLeave(MICROPROFILE_TOKEN(Kernel_SVC), impl->svc_ticks[core]);
+    MicroProfileLeave(MICROPROFILE_TOKEN(Kernel_SVC), impl->svc_ticks[CurrentPhysicalCoreIndex()]);
 }
 
 std::weak_ptr<Kernel::ServiceThread> KernelCore::CreateServiceThread(const std::string& name) {

src/core/hle/kernel/kernel.h

@@ -149,6 +149,9 @@ public:
     /// Gets the an instance of the respective physical CPU core.
     const Kernel::PhysicalCore& PhysicalCore(std::size_t id) const;
 
+    /// Gets the current physical core index for the running host thread.
+    std::size_t CurrentPhysicalCoreIndex() const;
+
     /// Gets the sole instance of the Scheduler at the current running core.
     Kernel::KScheduler* CurrentScheduler();
 
@@ -272,6 +275,8 @@ public:
 
     bool IsMulticore() const;
 
+    bool IsShuttingDown() const;
+
     void EnterSVCProfile();
 
     void ExitSVCProfile();

src/core/hle/kernel/service_thread.cpp

@@ -25,24 +25,27 @@ public:
     void QueueSyncRequest(KSession& session, std::shared_ptr<HLERequestContext>&& context);
 
 private:
-    std::vector<std::thread> threads;
+    std::vector<std::jthread> threads;
     std::queue<std::function<void()>> requests;
     std::mutex queue_mutex;
-    std::condition_variable condition;
+    std::condition_variable_any condition;
     const std::string service_name;
-    bool stop{};
 };
 
 ServiceThread::Impl::Impl(KernelCore& kernel, std::size_t num_threads, const std::string& name)
     : service_name{name} {
-    for (std::size_t i = 0; i < num_threads; ++i)
-        threads.emplace_back([this, &kernel] {
+    for (std::size_t i = 0; i < num_threads; ++i) {
+        threads.emplace_back([this, &kernel](std::stop_token stop_token) {
             Common::SetCurrentThreadName(std::string{"yuzu:HleService:" + service_name}.c_str());
 
             // Wait for first request before trying to acquire a render context
             {
                 std::unique_lock lock{queue_mutex};
-                condition.wait(lock, [this] { return stop || !requests.empty(); });
+                condition.wait(lock, stop_token, [this] { return !requests.empty(); });
+            }
+
+            if (stop_token.stop_requested()) {
+                return;
             }
 
             kernel.RegisterHostThread();
@@ -52,10 +55,16 @@ ServiceThread::Impl::Impl(KernelCore& kernel, std::size_t num_threads, const std
 
                 {
                     std::unique_lock lock{queue_mutex};
-                    condition.wait(lock, [this] { return stop || !requests.empty(); });
-                    if (stop || requests.empty()) {
+                    condition.wait(lock, stop_token, [this] { return !requests.empty(); });
+
+                    if (stop_token.stop_requested()) {
                         return;
                     }
+
+                    if (requests.empty()) {
+                        continue;
+                    }
+
                     task = std::move(requests.front());
                     requests.pop();
                 }
@@ -63,6 +72,7 @@ ServiceThread::Impl::Impl(KernelCore& kernel, std::size_t num_threads, const std
                 task();
             }
         });
+    }
 }
 
 void ServiceThread::Impl::QueueSyncRequest(KSession& session,
@@ -88,12 +98,9 @@ void ServiceThread::Impl::QueueSyncRequest(KSession& session,
 }
 
 ServiceThread::Impl::~Impl() {
-    {
-        std::unique_lock lock{queue_mutex};
-        stop = true;
-    }
     condition.notify_all();
-    for (std::thread& thread : threads) {
+    for (auto& thread : threads) {
+        thread.request_stop();
         thread.join();
     }
 }

src/core/hle/kernel/svc.cpp

@@ -32,6 +32,7 @@
 #include "core/hle/kernel/k_shared_memory.h"
 #include "core/hle/kernel/k_synchronization_object.h"
 #include "core/hle/kernel/k_thread.h"
+#include "core/hle/kernel/k_thread_queue.h"
 #include "core/hle/kernel/k_transfer_memory.h"
 #include "core/hle/kernel/k_writable_event.h"
 #include "core/hle/kernel/kernel.h"
@@ -308,26 +309,29 @@ static ResultCode ConnectToNamedPort32(Core::System& system, Handle* out_handle,
 
 /// Makes a blocking IPC call to an OS service.
 static ResultCode SendSyncRequest(Core::System& system, Handle handle) {
-
     auto& kernel = system.Kernel();
 
+    // Create the wait queue.
+    KThreadQueue wait_queue(kernel);
+
+    // Get the client session from its handle.
+    KScopedAutoObject session =
+        kernel.CurrentProcess()->GetHandleTable().GetObject<KClientSession>(handle);
+    R_UNLESS(session.IsNotNull(), ResultInvalidHandle);
+
+    LOG_TRACE(Kernel_SVC, "called handle=0x{:08X}({})", handle, session->GetName());
+
     auto thread = kernel.CurrentScheduler()->GetCurrentThread();
     {
         KScopedSchedulerLock lock(kernel);
-        thread->SetState(ThreadState::Waiting);
-        thread->SetWaitReasonForDebugging(ThreadWaitReasonForDebugging::IPC);
 
-        {
-            KScopedAutoObject session =
-                kernel.CurrentProcess()->GetHandleTable().GetObject<KClientSession>(handle);
-            R_UNLESS(session.IsNotNull(), ResultInvalidHandle);
-            LOG_TRACE(Kernel_SVC, "called handle=0x{:08X}({})", handle, session->GetName());
-            session->SendSyncRequest(thread, system.Memory(), system.CoreTiming());
-        }
+        // This is a synchronous request, so we should wait for our request to complete.
+        GetCurrentThread(kernel).BeginWait(std::addressof(wait_queue));
+        GetCurrentThread(kernel).SetWaitReasonForDebugging(ThreadWaitReasonForDebugging::IPC);
+        session->SendSyncRequest(&GetCurrentThread(kernel), system.Memory(), system.CoreTiming());
     }
 
-    KSynchronizationObject* dummy{};
-    return thread->GetWaitResult(std::addressof(dummy));
+    return thread->GetWaitResult();
 }
 
 static ResultCode SendSyncRequest32(Core::System& system, Handle handle) {
@@ -874,7 +878,7 @@ static ResultCode GetInfo(Core::System& system, u64* result, u64 info_id, Handle
             const u64 thread_ticks = current_thread->GetCpuTime();
 
             out_ticks = thread_ticks + (core_timing.GetCPUTicks() - prev_ctx_ticks);
-        } else if (same_thread && info_sub_id == system.CurrentCoreIndex()) {
+        } else if (same_thread && info_sub_id == system.Kernel().CurrentPhysicalCoreIndex()) {
             out_ticks = core_timing.GetCPUTicks() - prev_ctx_ticks;
         }
 
@@ -888,7 +892,8 @@ static ResultCode GetInfo(Core::System& system, u64* result, u64 info_id, Handle
             return ResultInvalidHandle;
         }
 
-        if (info_sub_id != 0xFFFFFFFFFFFFFFFF && info_sub_id != system.CurrentCoreIndex()) {
+        if (info_sub_id != 0xFFFFFFFFFFFFFFFF &&
+            info_sub_id != system.Kernel().CurrentPhysicalCoreIndex()) {
             LOG_ERROR(Kernel_SVC, "Core is not the current core, got {}", info_sub_id);
             return ResultInvalidCombination;
         }

src/core/hle/kernel/time_manager.cpp

@@ -5,6 +5,7 @@
 #include "common/assert.h"
 #include "core/core.h"
 #include "core/core_timing.h"
+#include "core/hle/kernel/k_scheduler.h"
 #include "core/hle/kernel/k_thread.h"
 #include "core/hle/kernel/time_manager.h"
 
@@ -15,7 +16,10 @@ TimeManager::TimeManager(Core::System& system_) : system{system_} {
         Core::Timing::CreateEvent("Kernel::TimeManagerCallback",
                                   [this](std::uintptr_t thread_handle, std::chrono::nanoseconds) {
                                       KThread* thread = reinterpret_cast<KThread*>(thread_handle);
-                                      thread->Wakeup();
+                                      {
+                                          KScopedSchedulerLock sl(system.Kernel());
+                                          thread->OnTimer();
+                                      }
                                   });
 }
 

src/input_common/drivers/gc_adapter.cpp

@@ -69,7 +69,7 @@ private:
     libusb_device_handle* handle{};
 };
 
-GCAdapter::GCAdapter(const std::string& input_engine_) : InputEngine(input_engine_) {
+GCAdapter::GCAdapter(std::string input_engine_) : InputEngine(std::move(input_engine_)) {
     if (usb_adapter_handle) {
         return;
     }
@@ -325,8 +325,8 @@ bool GCAdapter::GetGCEndpoint(libusb_device* device) {
     return true;
 }
 
-Common::Input::VibrationError GCAdapter::SetRumble(const PadIdentifier& identifier,
-                                                   const Common::Input::VibrationStatus vibration) {
+Common::Input::VibrationError GCAdapter::SetRumble(
+    const PadIdentifier& identifier, const Common::Input::VibrationStatus& vibration) {
     const auto mean_amplitude = (vibration.low_amplitude + vibration.high_amplitude) * 0.5f;
     const auto processed_amplitude =
         static_cast<u8>((mean_amplitude + std::pow(mean_amplitude, 0.3f)) * 0.5f * 0x8);

src/input_common/drivers/gc_adapter.h

@@ -22,13 +22,13 @@ namespace InputCommon {
 class LibUSBContext;
 class LibUSBDeviceHandle;
 
-class GCAdapter : public InputCommon::InputEngine {
+class GCAdapter : public InputEngine {
 public:
-    explicit GCAdapter(const std::string& input_engine_);
-    ~GCAdapter();
+    explicit GCAdapter(std::string input_engine_);
+    ~GCAdapter() override;
 
     Common::Input::VibrationError SetRumble(
-        const PadIdentifier& identifier, const Common::Input::VibrationStatus vibration) override;
+        const PadIdentifier& identifier, const Common::Input::VibrationStatus& vibration) override;
 
     /// Used for automapping features
     std::vector<Common::ParamPackage> GetInputDevices() const override;

src/input_common/drivers/keyboard.cpp

@@ -24,7 +24,7 @@ constexpr PadIdentifier keyboard_modifier_identifier = {
     .pad = 1,
 };
 
-Keyboard::Keyboard(const std::string& input_engine_) : InputEngine(input_engine_) {
+Keyboard::Keyboard(std::string input_engine_) : InputEngine(std::move(input_engine_)) {
     // Keyboard is broken into 3 diferent sets:
     // key: Unfiltered intended for controllers.
     // keyboard_key: Allows only Settings::NativeKeyboard::Keys intended for keyboard emulation.

src/input_common/drivers/keyboard.h

@@ -12,9 +12,9 @@ namespace InputCommon {
  * A button device factory representing a keyboard. It receives keyboard events and forward them
  * to all button devices it created.
  */
-class Keyboard final : public InputCommon::InputEngine {
+class Keyboard final : public InputEngine {
 public:
-    explicit Keyboard(const std::string& input_engine_);
+    explicit Keyboard(std::string input_engine_);
 
     /**
      * Sets the status of all buttons bound with the key to pressed

src/input_common/drivers/mouse.cpp

@@ -24,7 +24,7 @@ constexpr PadIdentifier identifier = {
     .pad = 0,
 };
 
-Mouse::Mouse(const std::string& input_engine_) : InputEngine(input_engine_) {
+Mouse::Mouse(std::string input_engine_) : InputEngine(std::move(input_engine_)) {
     PreSetController(identifier);
     PreSetAxis(identifier, mouse_axis_x);
     PreSetAxis(identifier, mouse_axis_y);

src/input_common/drivers/mouse.h

@@ -27,9 +27,9 @@ enum class MouseButton {
  * A button device factory representing a keyboard. It receives keyboard events and forward them
  * to all button devices it created.
  */
-class Mouse final : public InputCommon::InputEngine {
+class Mouse final : public InputEngine {
 public:
-    explicit Mouse(const std::string& input_engine_);
+    explicit Mouse(std::string input_engine_);
 
     /**
      * Signals that mouse has moved.

src/input_common/drivers/sdl_driver.cpp

@@ -88,7 +88,7 @@ public:
         return true;
     }
 
-    BasicMotion GetMotion() {
+    const BasicMotion& GetMotion() const {
         return motion;
     }
 
@@ -367,7 +367,7 @@ void SDLDriver::HandleGameControllerEvent(const SDL_Event& event) {
             if (joystick->UpdateMotion(event.csensor)) {
                 const PadIdentifier identifier = joystick->GetPadIdentifier();
                 SetMotion(identifier, 0, joystick->GetMotion());
-            };
+            }
         }
         break;
     }
@@ -387,7 +387,7 @@ void SDLDriver::CloseJoysticks() {
     joystick_map.clear();
 }
 
-SDLDriver::SDLDriver(const std::string& input_engine_) : InputEngine(input_engine_) {
+SDLDriver::SDLDriver(std::string input_engine_) : InputEngine(std::move(input_engine_)) {
     if (!Settings::values.enable_raw_input) {
         // Disable raw input. When enabled this setting causes SDL to die when a web applet opens
         SDL_SetHint(SDL_HINT_JOYSTICK_RAWINPUT, "0");
@@ -403,10 +403,11 @@ SDLDriver::SDLDriver(const std::string& input_engine_) : InputEngine(input_engin
 
     // Use hidapi driver for joycons. This will allow joycons to be detected as a GameController and
     // not a generic one
-    SDL_SetHint("SDL_JOYSTICK_HIDAPI_JOY_CONS", "1");
+    SDL_SetHint(SDL_HINT_JOYSTICK_HIDAPI_JOY_CONS, "1");
 
-    // Turn off Pro controller home led
-    SDL_SetHint("SDL_JOYSTICK_HIDAPI_SWITCH_HOME_LED", "0");
+    // Disable hidapi driver for xbox. Already default on Windows, this causes conflict with native
+    // driver on Linux.
+    SDL_SetHint(SDL_HINT_JOYSTICK_HIDAPI_XBOX, "0");
 
     // If the frontend is going to manage the event loop, then we don't start one here
     start_thread = SDL_WasInit(SDL_INIT_JOYSTICK | SDL_INIT_GAMECONTROLLER) == 0;
@@ -491,8 +492,9 @@ std::vector<Common::ParamPackage> SDLDriver::GetInputDevices() const {
     }
     return devices;
 }
-Common::Input::VibrationError SDLDriver::SetRumble(const PadIdentifier& identifier,
-                                                   const Common::Input::VibrationStatus vibration) {
+
+Common::Input::VibrationError SDLDriver::SetRumble(
+    const PadIdentifier& identifier, const Common::Input::VibrationStatus& vibration) {
     const auto joystick =
         GetSDLJoystickByGUID(identifier.guid.Format(), static_cast<int>(identifier.port));
     const auto process_amplitude_exp = [](f32 amplitude, f32 factor) {
@@ -526,6 +528,7 @@ Common::Input::VibrationError SDLDriver::SetRumble(const PadIdentifier& identifi
 
     return Common::Input::VibrationError::None;
 }
+
 Common::ParamPackage SDLDriver::BuildAnalogParamPackageForButton(int port, std::string guid,
                                                                  s32 axis, float value) const {
     Common::ParamPackage params{};

src/input_common/drivers/sdl_driver.h

@@ -19,19 +19,19 @@ using SDL_GameController = struct _SDL_GameController;
 using SDL_Joystick = struct _SDL_Joystick;
 using SDL_JoystickID = s32;
 
+namespace InputCommon {
+
+class SDLJoystick;
+
 using ButtonBindings =
     std::array<std::pair<Settings::NativeButton::Values, SDL_GameControllerButton>, 17>;
 using ZButtonBindings =
     std::array<std::pair<Settings::NativeButton::Values, SDL_GameControllerAxis>, 2>;
 
-namespace InputCommon {
-
-class SDLJoystick;
-
-class SDLDriver : public InputCommon::InputEngine {
+class SDLDriver : public InputEngine {
 public:
     /// Initializes and registers SDL device factories
-    SDLDriver(const std::string& input_engine_);
+    explicit SDLDriver(std::string input_engine_);
 
     /// Unregisters SDL device factories and shut them down.
     ~SDLDriver() override;
@@ -59,7 +59,7 @@ public:
     u8 GetHatButtonId(const std::string& direction_name) const override;
 
     Common::Input::VibrationError SetRumble(
-        const PadIdentifier& identifier, const Common::Input::VibrationStatus vibration) override;
+        const PadIdentifier& identifier, const Common::Input::VibrationStatus& vibration) override;
 
 private:
     void InitJoystick(int joystick_index);

src/input_common/drivers/tas_input.cpp

@@ -3,7 +3,6 @@
 // Refer to the license.txt file included.
 
 #include <cstring>
-#include <regex>
 #include <fmt/format.h>
 
 #include "common/fs/file.h"
@@ -15,7 +14,7 @@
 
 namespace InputCommon::TasInput {
 
-enum TasAxes : u8 {
+enum class Tas::TasAxis : u8 {
     StickX,
     StickY,
     SubstickX,
@@ -47,7 +46,7 @@ constexpr std::array<std::pair<std::string_view, TasButton>, 20> text_to_tas_but
     {"KEY_ZR", TasButton::TRIGGER_ZR},
 };
 
-Tas::Tas(const std::string& input_engine_) : InputCommon::InputEngine(input_engine_) {
+Tas::Tas(std::string input_engine_) : InputEngine(std::move(input_engine_)) {
     for (size_t player_index = 0; player_index < PLAYER_NUMBER; player_index++) {
         PadIdentifier identifier{
             .guid = Common::UUID{},
@@ -66,7 +65,7 @@ Tas::Tas(const std::string& input_engine_) : InputCommon::InputEngine(input_engi
 
 Tas::~Tas() {
     Stop();
-};
+}
 
 void Tas::LoadTasFiles() {
     script_length = 0;
@@ -79,43 +78,43 @@ void Tas::LoadTasFiles() {
 }
 
 void Tas::LoadTasFile(size_t player_index, size_t file_index) {
-    if (!commands[player_index].empty()) {
-        commands[player_index].clear();
-    }
+    commands[player_index].clear();
+
     std::string file = Common::FS::ReadStringFromFile(
         Common::FS::GetYuzuPath(Common::FS::YuzuPath::TASDir) /
             fmt::format("script{}-{}.txt", file_index, player_index + 1),
         Common::FS::FileType::BinaryFile);
-    std::stringstream command_line(file);
+    std::istringstream command_line(file);
     std::string line;
     int frame_no = 0;
     while (std::getline(command_line, line, '\n')) {
         if (line.empty()) {
             continue;
         }
-        std::smatch m;
 
-        std::stringstream linestream(line);
-        std::string segment;
-        std::vector<std::string> seglist;
-
-        while (std::getline(linestream, segment, ' ')) {
-            seglist.push_back(segment);
+        std::vector<std::string> seg_list;
+        {
+            std::istringstream line_stream(line);
+            std::string segment;
+            while (std::getline(line_stream, segment, ' ')) {
+                seg_list.push_back(std::move(segment));
+            }
         }
 
-        if (seglist.size() < 4) {
+        if (seg_list.size() < 4) {
             continue;
         }
 
-        while (frame_no < std::stoi(seglist.at(0))) {
-            commands[player_index].push_back({});
+        const auto num_frames = std::stoi(seg_list[0]);
+        while (frame_no < num_frames) {
+            commands[player_index].emplace_back();
             frame_no++;
         }
 
         TASCommand command = {
-            .buttons = ReadCommandButtons(seglist.at(1)),
-            .l_axis = ReadCommandAxis(seglist.at(2)),
-            .r_axis = ReadCommandAxis(seglist.at(3)),
+            .buttons = ReadCommandButtons(seg_list[1]),
+            .l_axis = ReadCommandAxis(seg_list[2]),
+            .r_axis = ReadCommandAxis(seg_list[3]),
         };
         commands[player_index].push_back(command);
         frame_no++;
@@ -123,16 +122,17 @@ void Tas::LoadTasFile(size_t player_index, size_t file_index) {
     LOG_INFO(Input, "TAS file loaded! {} frames", frame_no);
 }
 
-void Tas::WriteTasFile(std::u8string file_name) {
+void Tas::WriteTasFile(std::u8string_view file_name) {
     std::string output_text;
     for (size_t frame = 0; frame < record_commands.size(); frame++) {
         const TASCommand& line = record_commands[frame];
         output_text += fmt::format("{} {} {} {}\n", frame, WriteCommandButtons(line.buttons),
                                    WriteCommandAxis(line.l_axis), WriteCommandAxis(line.r_axis));
     }
-    const auto bytes_written = Common::FS::WriteStringToFile(
-        Common::FS::GetYuzuPath(Common::FS::YuzuPath::TASDir) / file_name,
-        Common::FS::FileType::TextFile, output_text);
+
+    const auto tas_file_name = Common::FS::GetYuzuPath(Common::FS::YuzuPath::TASDir) / file_name;
+    const auto bytes_written =
+        Common::FS::WriteStringToFile(tas_file_name, Common::FS::FileType::TextFile, output_text);
     if (bytes_written == output_text.size()) {
         LOG_INFO(Input, "TAS file written to file!");
     } else {
@@ -205,10 +205,10 @@ void Tas::UpdateThread() {
                 const int button = static_cast<int>(i);
                 SetButton(identifier, button, button_status);
             }
-            SetAxis(identifier, TasAxes::StickX, command.l_axis.x);
-            SetAxis(identifier, TasAxes::StickY, command.l_axis.y);
-            SetAxis(identifier, TasAxes::SubstickX, command.r_axis.x);
-            SetAxis(identifier, TasAxes::SubstickY, command.r_axis.y);
+            SetTasAxis(identifier, TasAxis::StickX, command.l_axis.x);
+            SetTasAxis(identifier, TasAxis::StickY, command.l_axis.y);
+            SetTasAxis(identifier, TasAxis::SubstickX, command.r_axis.x);
+            SetTasAxis(identifier, TasAxis::SubstickY, command.r_axis.y);
         }
     } else {
         is_running = Settings::values.tas_loop.GetValue();
@@ -224,27 +224,28 @@ void Tas::ClearInput() {
 }
 
 TasAnalog Tas::ReadCommandAxis(const std::string& line) const {
-    std::stringstream linestream(line);
-    std::string segment;
-    std::vector<std::string> seglist;
-
-    while (std::getline(linestream, segment, ';')) {
-        seglist.push_back(segment);
+    std::vector<std::string> seg_list;
+    {
+        std::istringstream line_stream(line);
+        std::string segment;
+        while (std::getline(line_stream, segment, ';')) {
+            seg_list.push_back(std::move(segment));
+        }
     }
 
-    const float x = std::stof(seglist.at(0)) / 32767.0f;
-    const float y = std::stof(seglist.at(1)) / 32767.0f;
+    const float x = std::stof(seg_list.at(0)) / 32767.0f;
+    const float y = std::stof(seg_list.at(1)) / 32767.0f;
 
     return {x, y};
 }
 
-u64 Tas::ReadCommandButtons(const std::string& data) const {
-    std::stringstream button_text(data);
-    std::string line;
+u64 Tas::ReadCommandButtons(const std::string& line) const {
+    std::istringstream button_text(line);
+    std::string button_line;
     u64 buttons = 0;
-    while (std::getline(button_text, line, ';')) {
-        for (auto [text, tas_button] : text_to_tas_button) {
-            if (text == line) {
+    while (std::getline(button_text, button_line, ';')) {
+        for (const auto& [text, tas_button] : text_to_tas_button) {
+            if (text == button_line) {
                 buttons |= static_cast<u64>(tas_button);
                 break;
             }
@@ -254,8 +255,8 @@ u64 Tas::ReadCommandButtons(const std::string& data) const {
 }
 
 std::string Tas::WriteCommandButtons(u64 buttons) const {
-    std::string returns = "";
-    for (auto [text_button, tas_button] : text_to_tas_button) {
+    std::string returns;
+    for (const auto& [text_button, tas_button] : text_to_tas_button) {
         if ((buttons & static_cast<u64>(tas_button)) != 0) {
             returns += fmt::format("{};", text_button);
         }
@@ -267,6 +268,10 @@ std::string Tas::WriteCommandAxis(TasAnalog analog) const {
     return fmt::format("{};{}", analog.x * 32767, analog.y * 32767);
 }
 
+void Tas::SetTasAxis(const PadIdentifier& identifier, TasAxis axis, f32 value) {
+    SetAxis(identifier, static_cast<int>(axis), value);
+}
+
 void Tas::StartStop() {
     if (!Settings::values.tas_enable) {
         return;

src/input_common/drivers/tas_input.h

@@ -5,11 +5,11 @@
 #pragma once
 
 #include <array>
+#include <string>
+#include <vector>
 
 #include "common/common_types.h"
-#include "common/settings_input.h"
 #include "input_common/input_engine.h"
-#include "input_common/main.h"
 
 /*
 To play back TAS scripts on Yuzu, select the folder with scripts in the configuration menu below
@@ -81,46 +81,46 @@ enum class TasState {
     Stopped,
 };
 
-class Tas final : public InputCommon::InputEngine {
+class Tas final : public InputEngine {
 public:
-    explicit Tas(const std::string& input_engine_);
-    ~Tas();
+    explicit Tas(std::string input_engine_);
+    ~Tas() override;
 
     /**
      * Changes the input status that will be stored in each frame
-     * @param buttons: bitfield with the status of the buttons
-     * @param left_axis: value of the left axis
-     * @param right_axis: value of the right axis
+     * @param buttons    Bitfield with the status of the buttons
+     * @param left_axis  Value of the left axis
+     * @param right_axis Value of the right axis
      */
     void RecordInput(u64 buttons, TasAnalog left_axis, TasAnalog right_axis);
 
     // Main loop that records or executes input
     void UpdateThread();
 
-    //  Sets the flag to start or stop the TAS command excecution and swaps controllers profiles
+    // Sets the flag to start or stop the TAS command execution and swaps controllers profiles
     void StartStop();
 
-    //  Stop the TAS and reverts any controller profile
+    // Stop the TAS and reverts any controller profile
     void Stop();
 
-    // Sets the flag to reload the file and start from the begining in the next update
+    // Sets the flag to reload the file and start from the beginning in the next update
     void Reset();
 
     /**
      * Sets the flag to enable or disable recording of inputs
-     * @return Returns true if the current recording status is enabled
+     * @returns true if the current recording status is enabled
      */
     bool Record();
 
     /**
      * Saves contents of record_commands on a file
-     * @param overwrite_file: Indicates if player 1 should be overwritten
+     * @param overwrite_file Indicates if player 1 should be overwritten
      */
     void SaveRecording(bool overwrite_file);
 
     /**
      * Returns the current status values of TAS playback/recording
-     * @return Tuple of
+     * @returns A Tuple of
      * TasState indicating the current state out of Running ;
      * Current playback progress ;
      * Total length of script file currently loaded or being recorded
@@ -128,6 +128,8 @@ public:
     std::tuple<TasState, size_t, size_t> GetStatus() const;
 
 private:
+    enum class TasAxis : u8;
+
     struct TASCommand {
         u64 buttons{};
         TasAnalog l_axis{};
@@ -137,29 +139,31 @@ private:
     /// Loads TAS files from all players
     void LoadTasFiles();
 
-    /** Loads TAS file from the specified player
-     * @param player_index: player number to save the script
-     * @param file_index: script number of the file
+    /**
+     * Loads TAS file from the specified player
+     * @param player_index Player number to save the script
+     * @param file_index   Script number of the file
      */
     void LoadTasFile(size_t player_index, size_t file_index);
 
-    /** Writes a TAS file from the recorded commands
-     * @param file_name: name of the file to be written
+    /**
+     * Writes a TAS file from the recorded commands
+     * @param file_name Name of the file to be written
      */
-    void WriteTasFile(std::u8string file_name);
+    void WriteTasFile(std::u8string_view file_name);
 
     /**
      * Parses a string containing the axis values. X and Y have a range from -32767 to 32767
-     * @param line: string containing axis values with the following format "x;y"
-     * @return Returns a TAS analog object with axis values with range from -1.0 to 1.0
+     * @param line String containing axis values with the following format "x;y"
+     * @returns A TAS analog object with axis values with range from -1.0 to 1.0
      */
     TasAnalog ReadCommandAxis(const std::string& line) const;
 
     /**
      * Parses a string containing the button values. Each button is represented by it's text format
      * specified in text_to_tas_button array
-     * @param line: string containing button name with the following format "a;b;c;d..."
-     * @return Returns a u64 with each bit representing the status of a button
+     * @param line string containing button name with the following format "a;b;c;d..."
+     * @returns A u64 with each bit representing the status of a button
      */
     u64 ReadCommandButtons(const std::string& line) const;
 
@@ -170,17 +174,20 @@ private:
 
     /**
      * Converts an u64 containing the button status into the text equivalent
-     * @param buttons: bitfield with the status of the buttons
-     * @return Returns a string with the name of the buttons to be written to the file
+     * @param buttons Bitfield with the status of the buttons
+     * @returns A string with the name of the buttons to be written to the file
      */
     std::string WriteCommandButtons(u64 buttons) const;
 
     /**
      * Converts an TAS analog object containing the axis status into the text equivalent
-     * @param data: value of the axis
-     * @return A string with the value of the axis to be written to the file
+     * @param analog Value of the axis
+     * @returns A string with the value of the axis to be written to the file
      */
-    std::string WriteCommandAxis(TasAnalog data) const;
+    std::string WriteCommandAxis(TasAnalog analog) const;
+
+    /// Sets an axis for a particular pad to the given value.
+    void SetTasAxis(const PadIdentifier& identifier, TasAxis axis, f32 value);
 
     size_t script_length{0};
     bool is_recording{false};

src/input_common/drivers/touch_screen.cpp

@@ -13,7 +13,7 @@ constexpr PadIdentifier identifier = {
     .pad = 0,
 };
 
-TouchScreen::TouchScreen(const std::string& input_engine_) : InputEngine(input_engine_) {
+TouchScreen::TouchScreen(std::string input_engine_) : InputEngine(std::move(input_engine_)) {
     PreSetController(identifier);
 }
 

src/input_common/drivers/touch_screen.h

@@ -12,9 +12,9 @@ namespace InputCommon {
  * A button device factory representing a keyboard. It receives keyboard events and forward them
  * to all button devices it created.
  */
-class TouchScreen final : public InputCommon::InputEngine {
+class TouchScreen final : public InputEngine {
 public:
-    explicit TouchScreen(const std::string& input_engine_);
+    explicit TouchScreen(std::string input_engine_);
 
     /**
      * Signals that mouse has moved.

src/input_common/drivers/udp_client.cpp

@@ -136,7 +136,7 @@ static void SocketLoop(Socket* socket) {
     socket->Loop();
 }
 
-UDPClient::UDPClient(const std::string& input_engine_) : InputEngine(input_engine_) {
+UDPClient::UDPClient(std::string input_engine_) : InputEngine(std::move(input_engine_)) {
     LOG_INFO(Input, "Udp Initialization started");
     ReloadSockets();
 }

src/input_common/drivers/udp_client.h

@@ -49,10 +49,10 @@ struct DeviceStatus {
  * A button device factory representing a keyboard. It receives keyboard events and forward them
  * to all button devices it created.
  */
-class UDPClient final : public InputCommon::InputEngine {
+class UDPClient final : public InputEngine {
 public:
-    explicit UDPClient(const std::string& input_engine_);
-    ~UDPClient();
+    explicit UDPClient(std::string input_engine_);
+    ~UDPClient() override;
 
     void ReloadSockets();
 

src/input_common/helpers/stick_from_buttons.cpp

@@ -19,23 +19,36 @@ public:
         : up(std::move(up_)), down(std::move(down_)), left(std::move(left_)),
           right(std::move(right_)), modifier(std::move(modifier_)), modifier_scale(modifier_scale_),
           modifier_angle(modifier_angle_) {
-        Common::Input::InputCallback button_up_callback{
-            [this](Common::Input::CallbackStatus callback_) { UpdateUpButtonStatus(callback_); }};
-        Common::Input::InputCallback button_down_callback{
-            [this](Common::Input::CallbackStatus callback_) { UpdateDownButtonStatus(callback_); }};
-        Common::Input::InputCallback button_left_callback{
-            [this](Common::Input::CallbackStatus callback_) { UpdateLeftButtonStatus(callback_); }};
-        Common::Input::InputCallback button_right_callback{
-            [this](Common::Input::CallbackStatus callback_) {
-                UpdateRightButtonStatus(callback_);
-            }};
-        Common::Input::InputCallback button_modifier_callback{
-            [this](Common::Input::CallbackStatus callback_) { UpdateModButtonStatus(callback_); }};
-        up->SetCallback(button_up_callback);
-        down->SetCallback(button_down_callback);
-        left->SetCallback(button_left_callback);
-        right->SetCallback(button_right_callback);
-        modifier->SetCallback(button_modifier_callback);
+        up->SetCallback({
+            .on_change =
+                [this](const Common::Input::CallbackStatus& callback_) {
+                    UpdateUpButtonStatus(callback_);
+                },
+        });
+        down->SetCallback({
+            .on_change =
+                [this](const Common::Input::CallbackStatus& callback_) {
+                    UpdateDownButtonStatus(callback_);
+                },
+        });
+        left->SetCallback({
+            .on_change =
+                [this](const Common::Input::CallbackStatus& callback_) {
+                    UpdateLeftButtonStatus(callback_);
+                },
+        });
+        right->SetCallback({
+            .on_change =
+                [this](const Common::Input::CallbackStatus& callback_) {
+                    UpdateRightButtonStatus(callback_);
+                },
+        });
+        modifier->SetCallback({
+            .on_change =
+                [this](const Common::Input::CallbackStatus& callback_) {
+                    UpdateModButtonStatus(callback_);
+                },
+        });
         last_x_axis_value = 0.0f;
         last_y_axis_value = 0.0f;
     }
@@ -133,27 +146,27 @@ public:
         }
     }
 
-    void UpdateUpButtonStatus(Common::Input::CallbackStatus button_callback) {
+    void UpdateUpButtonStatus(const Common::Input::CallbackStatus& button_callback) {
         up_status = button_callback.button_status.value;
         UpdateStatus();
     }
 
-    void UpdateDownButtonStatus(Common::Input::CallbackStatus button_callback) {
+    void UpdateDownButtonStatus(const Common::Input::CallbackStatus& button_callback) {
         down_status = button_callback.button_status.value;
         UpdateStatus();
     }
 
-    void UpdateLeftButtonStatus(Common::Input::CallbackStatus button_callback) {
+    void UpdateLeftButtonStatus(const Common::Input::CallbackStatus& button_callback) {
         left_status = button_callback.button_status.value;
         UpdateStatus();
     }
 
-    void UpdateRightButtonStatus(Common::Input::CallbackStatus button_callback) {
+    void UpdateRightButtonStatus(const Common::Input::CallbackStatus& button_callback) {
         right_status = button_callback.button_status.value;
         UpdateStatus();
     }
 
-    void UpdateModButtonStatus(Common::Input::CallbackStatus button_callback) {
+    void UpdateModButtonStatus(const Common::Input::CallbackStatus& button_callback) {
         modifier_status = button_callback.button_status.value;
         UpdateStatus();
     }
@@ -265,18 +278,18 @@ private:
     Button left;
     Button right;
     Button modifier;
-    float modifier_scale;
-    float modifier_angle;
+    float modifier_scale{};
+    float modifier_angle{};
     float angle{};
     float goal_angle{};
     float amplitude{};
-    bool up_status;
-    bool down_status;
-    bool left_status;
-    bool right_status;
-    bool modifier_status;
-    float last_x_axis_value;
-    float last_y_axis_value;
+    bool up_status{};
+    bool down_status{};
+    bool left_status{};
+    bool right_status{};
+    bool modifier_status{};
+    float last_x_axis_value{};
+    float last_y_axis_value{};
     const Common::Input::AnalogProperties properties{0.0f, 1.0f, 0.5f, 0.0f, false};
     std::chrono::time_point<std::chrono::steady_clock> last_update;
 };

src/input_common/helpers/touch_from_buttons.cpp

@@ -14,10 +14,13 @@ public:
     using Button = std::unique_ptr<Common::Input::InputDevice>;
     TouchFromButtonDevice(Button button_, int touch_id_, float x_, float y_)
         : button(std::move(button_)), touch_id(touch_id_), x(x_), y(y_) {
-        Common::Input::InputCallback button_up_callback{
-            [this](Common::Input::CallbackStatus callback_) { UpdateButtonStatus(callback_); }};
         last_button_value = false;
-        button->SetCallback(button_up_callback);
+        button->SetCallback({
+            .on_change =
+                [this](const Common::Input::CallbackStatus& callback_) {
+                    UpdateButtonStatus(callback_);
+                },
+        });
         button->ForceUpdate();
     }
 
@@ -47,7 +50,7 @@ public:
         return status;
     }
 
-    void UpdateButtonStatus(Common::Input::CallbackStatus button_callback) {
+    void UpdateButtonStatus(const Common::Input::CallbackStatus& button_callback) {
         const Common::Input::CallbackStatus status{
             .type = Common::Input::InputType::Touch,
             .touch_status = GetStatus(button_callback.button_status.value),

src/input_common/input_engine.cpp

@@ -10,41 +10,31 @@ namespace InputCommon {
 
 void InputEngine::PreSetController(const PadIdentifier& identifier) {
     std::lock_guard lock{mutex};
-    if (!controller_list.contains(identifier)) {
-        controller_list.insert_or_assign(identifier, ControllerData{});
-    }
+    controller_list.try_emplace(identifier);
 }
 
 void InputEngine::PreSetButton(const PadIdentifier& identifier, int button) {
     std::lock_guard lock{mutex};
     ControllerData& controller = controller_list.at(identifier);
-    if (!controller.buttons.contains(button)) {
-        controller.buttons.insert_or_assign(button, false);
-    }
+    controller.buttons.try_emplace(button, false);
 }
 
 void InputEngine::PreSetHatButton(const PadIdentifier& identifier, int button) {
     std::lock_guard lock{mutex};
     ControllerData& controller = controller_list.at(identifier);
-    if (!controller.hat_buttons.contains(button)) {
-        controller.hat_buttons.insert_or_assign(button, u8{0});
-    }
+    controller.hat_buttons.try_emplace(button, u8{0});
 }
 
 void InputEngine::PreSetAxis(const PadIdentifier& identifier, int axis) {
     std::lock_guard lock{mutex};
     ControllerData& controller = controller_list.at(identifier);
-    if (!controller.axes.contains(axis)) {
-        controller.axes.insert_or_assign(axis, 0.0f);
-    }
+    controller.axes.try_emplace(axis, 0.0f);
 }
 
 void InputEngine::PreSetMotion(const PadIdentifier& identifier, int motion) {
     std::lock_guard lock{mutex};
     ControllerData& controller = controller_list.at(identifier);
-    if (!controller.motions.contains(motion)) {
-        controller.motions.insert_or_assign(motion, BasicMotion{});
-    }
+    controller.motions.try_emplace(motion);
 }
 
 void InputEngine::SetButton(const PadIdentifier& identifier, int button, bool value) {
@@ -91,7 +81,7 @@ void InputEngine::SetBattery(const PadIdentifier& identifier, BatteryLevel value
     TriggerOnBatteryChange(identifier, value);
 }
 
-void InputEngine::SetMotion(const PadIdentifier& identifier, int motion, BasicMotion value) {
+void InputEngine::SetMotion(const PadIdentifier& identifier, int motion, const BasicMotion& value) {
     {
         std::lock_guard lock{mutex};
         ControllerData& controller = controller_list.at(identifier);
@@ -104,85 +94,93 @@ void InputEngine::SetMotion(const PadIdentifier& identifier, int motion, BasicMo
 
 bool InputEngine::GetButton(const PadIdentifier& identifier, int button) const {
     std::lock_guard lock{mutex};
-    if (!controller_list.contains(identifier)) {
+    const auto controller_iter = controller_list.find(identifier);
+    if (controller_iter == controller_list.cend()) {
         LOG_ERROR(Input, "Invalid identifier guid={}, pad={}, port={}", identifier.guid.Format(),
                   identifier.pad, identifier.port);
         return false;
     }
-    ControllerData controller = controller_list.at(identifier);
-    if (!controller.buttons.contains(button)) {
+    const ControllerData& controller = controller_iter->second;
+    const auto button_iter = controller.buttons.find(button);
+    if (button_iter == controller.buttons.cend()) {
         LOG_ERROR(Input, "Invalid button {}", button);
         return false;
     }
-    return controller.buttons.at(button);
+    return button_iter->second;
 }
 
 bool InputEngine::GetHatButton(const PadIdentifier& identifier, int button, u8 direction) const {
     std::lock_guard lock{mutex};
-    if (!controller_list.contains(identifier)) {
+    const auto controller_iter = controller_list.find(identifier);
+    if (controller_iter == controller_list.cend()) {
         LOG_ERROR(Input, "Invalid identifier guid={}, pad={}, port={}", identifier.guid.Format(),
                   identifier.pad, identifier.port);
         return false;
     }
-    ControllerData controller = controller_list.at(identifier);
-    if (!controller.hat_buttons.contains(button)) {
+    const ControllerData& controller = controller_iter->second;
+    const auto hat_iter = controller.hat_buttons.find(button);
+    if (hat_iter == controller.hat_buttons.cend()) {
         LOG_ERROR(Input, "Invalid hat button {}", button);
         return false;
     }
-    return (controller.hat_buttons.at(button) & direction) != 0;
+    return (hat_iter->second & direction) != 0;
 }
 
 f32 InputEngine::GetAxis(const PadIdentifier& identifier, int axis) const {
     std::lock_guard lock{mutex};
-    if (!controller_list.contains(identifier)) {
+    const auto controller_iter = controller_list.find(identifier);
+    if (controller_iter == controller_list.cend()) {
         LOG_ERROR(Input, "Invalid identifier guid={}, pad={}, port={}", identifier.guid.Format(),
                   identifier.pad, identifier.port);
         return 0.0f;
     }
-    ControllerData controller = controller_list.at(identifier);
-    if (!controller.axes.contains(axis)) {
+    const ControllerData& controller = controller_iter->second;
+    const auto axis_iter = controller.axes.find(axis);
+    if (axis_iter == controller.axes.cend()) {
         LOG_ERROR(Input, "Invalid axis {}", axis);
         return 0.0f;
     }
-    return controller.axes.at(axis);
+    return axis_iter->second;
 }
 
 BatteryLevel InputEngine::GetBattery(const PadIdentifier& identifier) const {
     std::lock_guard lock{mutex};
-    if (!controller_list.contains(identifier)) {
+    const auto controller_iter = controller_list.find(identifier);
+    if (controller_iter == controller_list.cend()) {
         LOG_ERROR(Input, "Invalid identifier guid={}, pad={}, port={}", identifier.guid.Format(),
                   identifier.pad, identifier.port);
         return BatteryLevel::Charging;
     }
-    ControllerData controller = controller_list.at(identifier);
+    const ControllerData& controller = controller_iter->second;
     return controller.battery;
 }
 
 BasicMotion InputEngine::GetMotion(const PadIdentifier& identifier, int motion) const {
     std::lock_guard lock{mutex};
-    if (!controller_list.contains(identifier)) {
+    const auto controller_iter = controller_list.find(identifier);
+    if (controller_iter == controller_list.cend()) {
         LOG_ERROR(Input, "Invalid identifier guid={}, pad={}, port={}", identifier.guid.Format(),
                   identifier.pad, identifier.port);
         return {};
     }
-    ControllerData controller = controller_list.at(identifier);
+    const ControllerData& controller = controller_iter->second;
     return controller.motions.at(motion);
 }
 
 void InputEngine::ResetButtonState() {
-    for (std::pair<PadIdentifier, ControllerData> controller : controller_list) {
-        for (std::pair<int, bool> button : controller.second.buttons) {
+    for (const auto& controller : controller_list) {
+        for (const auto& button : controller.second.buttons) {
             SetButton(controller.first, button.first, false);
         }
-        for (std::pair<int, bool> button : controller.second.hat_buttons) {
+        for (const auto& button : controller.second.hat_buttons) {
             SetHatButton(controller.first, button.first, false);
         }
     }
 }
 
 void InputEngine::ResetAnalogState() {
-    for (std::pair<PadIdentifier, ControllerData> controller : controller_list) {
-        for (std::pair<int, float> axis : controller.second.axes) {
+    for (const auto& controller : controller_list) {
+        for (const auto& axis : controller.second.axes) {
             SetAxis(controller.first, axis.first, 0.0);
         }
     }
@@ -190,7 +188,7 @@ void InputEngine::ResetAnalogState() {
 
 void InputEngine::TriggerOnButtonChange(const PadIdentifier& identifier, int button, bool value) {
     std::lock_guard lock{mutex_callback};
-    for (const std::pair<int, InputIdentifier> poller_pair : callback_list) {
+    for (const auto& poller_pair : callback_list) {
         const InputIdentifier& poller = poller_pair.second;
         if (!IsInputIdentifierEqual(poller, identifier, EngineInputType::Button, button)) {
             continue;
@@ -218,7 +216,7 @@ void InputEngine::TriggerOnButtonChange(const PadIdentifier& identifier, int but
 
 void InputEngine::TriggerOnHatButtonChange(const PadIdentifier& identifier, int button, u8 value) {
     std::lock_guard lock{mutex_callback};
-    for (const std::pair<int, InputIdentifier> poller_pair : callback_list) {
+    for (const auto& poller_pair : callback_list) {
         const InputIdentifier& poller = poller_pair.second;
         if (!IsInputIdentifierEqual(poller, identifier, EngineInputType::HatButton, button)) {
             continue;
@@ -247,7 +245,7 @@ void InputEngine::TriggerOnHatButtonChange(const PadIdentifier& identifier, int
 
 void InputEngine::TriggerOnAxisChange(const PadIdentifier& identifier, int axis, f32 value) {
     std::lock_guard lock{mutex_callback};
-    for (const std::pair<int, InputIdentifier> poller_pair : callback_list) {
+    for (const auto& poller_pair : callback_list) {
         const InputIdentifier& poller = poller_pair.second;
         if (!IsInputIdentifierEqual(poller, identifier, EngineInputType::Analog, axis)) {
             continue;
@@ -274,7 +272,7 @@ void InputEngine::TriggerOnAxisChange(const PadIdentifier& identifier, int axis,
 void InputEngine::TriggerOnBatteryChange(const PadIdentifier& identifier,
                                          [[maybe_unused]] BatteryLevel value) {
     std::lock_guard lock{mutex_callback};
-    for (const std::pair<int, InputIdentifier> poller_pair : callback_list) {
+    for (const auto& poller_pair : callback_list) {
         const InputIdentifier& poller = poller_pair.second;
         if (!IsInputIdentifierEqual(poller, identifier, EngineInputType::Battery, 0)) {
             continue;
@@ -286,9 +284,9 @@ void InputEngine::TriggerOnBatteryChange(const PadIdentifier& identifier,
 }
 
 void InputEngine::TriggerOnMotionChange(const PadIdentifier& identifier, int motion,
-                                        BasicMotion value) {
+                                        const BasicMotion& value) {
     std::lock_guard lock{mutex_callback};
-    for (const std::pair<int, InputIdentifier> poller_pair : callback_list) {
+    for (const auto& poller_pair : callback_list) {
         const InputIdentifier& poller = poller_pair.second;
         if (!IsInputIdentifierEqual(poller, identifier, EngineInputType::Motion, motion)) {
             continue;
@@ -342,7 +340,7 @@ const std::string& InputEngine::GetEngineName() const {
 
 int InputEngine::SetCallback(InputIdentifier input_identifier) {
     std::lock_guard lock{mutex_callback};
-    callback_list.insert_or_assign(last_callback_key, input_identifier);
+    callback_list.insert_or_assign(last_callback_key, std::move(input_identifier));
     return last_callback_key++;
 }
 

src/input_common/input_engine.h

@@ -23,15 +23,15 @@ struct PadIdentifier {
     friend constexpr bool operator==(const PadIdentifier&, const PadIdentifier&) = default;
 };
 
-// Basic motion data containing data from the sensors and a timestamp in microsecons
+// Basic motion data containing data from the sensors and a timestamp in microseconds
 struct BasicMotion {
-    float gyro_x;
-    float gyro_y;
-    float gyro_z;
-    float accel_x;
-    float accel_y;
-    float accel_z;
-    u64 delta_timestamp;
+    float gyro_x{};
+    float gyro_y{};
+    float gyro_z{};
+    float accel_x{};
+    float accel_y{};
+    float accel_z{};
+    u64 delta_timestamp{};
 };
 
 // Stages of a battery charge
@@ -102,9 +102,7 @@ struct InputIdentifier {
 
 class InputEngine {
 public:
-    explicit InputEngine(const std::string& input_engine_) : input_engine(input_engine_) {
-        callback_list.clear();
-    }
+    explicit InputEngine(std::string input_engine_) : input_engine{std::move(input_engine_)} {}
 
     virtual ~InputEngine() = default;
 
@@ -116,14 +114,12 @@ public:
 
     // Sets a led pattern for a controller
     virtual void SetLeds([[maybe_unused]] const PadIdentifier& identifier,
-                         [[maybe_unused]] const Common::Input::LedStatus led_status) {
-        return;
-    }
+                         [[maybe_unused]] const Common::Input::LedStatus& led_status) {}
 
     // Sets rumble to a controller
     virtual Common::Input::VibrationError SetRumble(
         [[maybe_unused]] const PadIdentifier& identifier,
-        [[maybe_unused]] const Common::Input::VibrationStatus vibration) {
+        [[maybe_unused]] const Common::Input::VibrationStatus& vibration) {
         return Common::Input::VibrationError::NotSupported;
     }
 
@@ -140,36 +136,36 @@ public:
     /// Used for automapping features
     virtual std::vector<Common::ParamPackage> GetInputDevices() const {
         return {};
-    };
+    }
 
     /// Retrieves the button mappings for the given device
-    virtual InputCommon::ButtonMapping GetButtonMappingForDevice(
+    virtual ButtonMapping GetButtonMappingForDevice(
         [[maybe_unused]] const Common::ParamPackage& params) {
         return {};
-    };
+    }
 
     /// Retrieves the analog mappings for the given device
-    virtual InputCommon::AnalogMapping GetAnalogMappingForDevice(
+    virtual AnalogMapping GetAnalogMappingForDevice(
         [[maybe_unused]] const Common::ParamPackage& params) {
         return {};
-    };
+    }
 
     /// Retrieves the motion mappings for the given device
-    virtual InputCommon::MotionMapping GetMotionMappingForDevice(
+    virtual MotionMapping GetMotionMappingForDevice(
         [[maybe_unused]] const Common::ParamPackage& params) {
         return {};
-    };
+    }
 
     /// Retrieves the name of the given input.
     virtual Common::Input::ButtonNames GetUIName(
         [[maybe_unused]] const Common::ParamPackage& params) const {
         return Common::Input::ButtonNames::Engine;
-    };
+    }
 
     /// Retrieves the index number of the given hat button direction
     virtual u8 GetHatButtonId([[maybe_unused]] const std::string& direction_name) const {
         return 0;
-    };
+    }
 
     void PreSetController(const PadIdentifier& identifier);
     void PreSetButton(const PadIdentifier& identifier, int button);
@@ -194,7 +190,7 @@ protected:
     void SetHatButton(const PadIdentifier& identifier, int button, u8 value);
     void SetAxis(const PadIdentifier& identifier, int axis, f32 value);
     void SetBattery(const PadIdentifier& identifier, BatteryLevel value);
-    void SetMotion(const PadIdentifier& identifier, int motion, BasicMotion value);
+    void SetMotion(const PadIdentifier& identifier, int motion, const BasicMotion& value);
 
     virtual std::string GetHatButtonName([[maybe_unused]] u8 direction_value) const {
         return "Unknown";
@@ -206,14 +202,15 @@ private:
         std::unordered_map<int, u8> hat_buttons;
         std::unordered_map<int, float> axes;
         std::unordered_map<int, BasicMotion> motions;
-        BatteryLevel battery;
+        BatteryLevel battery{};
     };
 
     void TriggerOnButtonChange(const PadIdentifier& identifier, int button, bool value);
     void TriggerOnHatButtonChange(const PadIdentifier& identifier, int button, u8 value);
-    void TriggerOnAxisChange(const PadIdentifier& identifier, int button, f32 value);
+    void TriggerOnAxisChange(const PadIdentifier& identifier, int axis, f32 value);
     void TriggerOnBatteryChange(const PadIdentifier& identifier, BatteryLevel value);
-    void TriggerOnMotionChange(const PadIdentifier& identifier, int motion, BasicMotion value);
+    void TriggerOnMotionChange(const PadIdentifier& identifier, int motion,
+                               const BasicMotion& value);
 
     bool IsInputIdentifierEqual(const InputIdentifier& input_identifier,
                                 const PadIdentifier& identifier, EngineInputType type,

src/input_common/input_mapping.h

@@ -14,8 +14,8 @@ public:
     MappingFactory();
 
     /**
-     * Resets all varables to beggin the mapping process
-     * @param "type": type of input desired to be returned
+     * Resets all variables to begin the mapping process
+     * @param type type of input desired to be returned
      */
     void BeginMapping(Polling::InputType type);
 
@@ -24,8 +24,8 @@ public:
 
     /**
      * Registers mapping input data from the driver
-     * @param "data": An struct containing all the information needed to create a proper
-     * ParamPackage
+     * @param data A struct containing all the information needed to create a proper
+     *             ParamPackage
      */
     void RegisterInput(const MappingData& data);
 
@@ -34,42 +34,42 @@ public:
 
 private:
     /**
-     * If provided data satisfies the requeriments it will push an element to the input_queue
+     * If provided data satisfies the requirements it will push an element to the input_queue
      * Supported input:
      *     - Button: Creates a basic button ParamPackage
      *     - HatButton: Creates a basic hat button ParamPackage
      *     - Analog: Creates a basic analog ParamPackage
-     * @param "data": An struct containing all the information needed to create a proper
+     * @param data A struct containing all the information needed to create a proper
      * ParamPackage
      */
     void RegisterButton(const MappingData& data);
 
     /**
-     * If provided data satisfies the requeriments it will push an element to the input_queue
+     * If provided data satisfies the requirements it will push an element to the input_queue
      * Supported input:
      *     - Button, HatButton: Pass the data to RegisterButton
      *     - Analog: Stores the first axis and on the second axis creates a basic stick ParamPackage
-     * @param "data": An struct containing all the information needed to create a proper
-     * ParamPackage
+     * @param data A struct containing all the information needed to create a proper
+     *             ParamPackage
      */
     void RegisterStick(const MappingData& data);
 
     /**
-     * If provided data satisfies the requeriments it will push an element to the input_queue
+     * If provided data satisfies the requirements it will push an element to the input_queue
      * Supported input:
      *     - Button, HatButton: Pass the data to RegisterButton
      *     - Analog: Stores the first two axis and on the third axis creates a basic Motion
      * ParamPackage
      *     - Motion: Creates a basic Motion ParamPackage
-     * @param "data": An struct containing all the information needed to create a proper
-     * ParamPackage
+     * @param data A struct containing all the information needed to create a proper
+     *             ParamPackage
      */
     void RegisterMotion(const MappingData& data);
 
     /**
      * Returns true if driver can be mapped
-     * @param "data": An struct containing all the information needed to create a proper
-     * ParamPackage
+     * @param data A struct containing all the information needed to create a proper
+     *             ParamPackage
      */
     bool IsDriverValid(const MappingData& data) const;
 

src/input_common/input_poller.cpp

@@ -12,8 +12,7 @@ namespace InputCommon {
 
 class DummyInput final : public Common::Input::InputDevice {
 public:
-    explicit DummyInput() {}
-    ~DummyInput() {}
+    explicit DummyInput() = default;
 };
 
 class InputFromButton final : public Common::Input::InputDevice {
@@ -33,7 +32,7 @@ public:
         callback_key = input_engine->SetCallback(input_identifier);
     }
 
-    ~InputFromButton() {
+    ~InputFromButton() override {
         input_engine->DeleteCallback(callback_key);
     }
 
@@ -45,7 +44,7 @@ public:
         };
     }
 
-    void ForceUpdate() {
+    void ForceUpdate() override {
         const Common::Input::CallbackStatus status{
             .type = Common::Input::InputType::Button,
             .button_status = GetStatus(),
@@ -94,7 +93,7 @@ public:
         callback_key = input_engine->SetCallback(input_identifier);
     }
 
-    ~InputFromHatButton() {
+    ~InputFromHatButton() override {
         input_engine->DeleteCallback(callback_key);
     }
 
@@ -106,7 +105,7 @@ public:
         };
     }
 
-    void ForceUpdate() {
+    void ForceUpdate() override {
         const Common::Input::CallbackStatus status{
             .type = Common::Input::InputType::Button,
             .button_status = GetStatus(),
@@ -167,7 +166,7 @@ public:
         callback_key_y = input_engine->SetCallback(y_input_identifier);
     }
 
-    ~InputFromStick() {
+    ~InputFromStick() override {
         input_engine->DeleteCallback(callback_key_x);
         input_engine->DeleteCallback(callback_key_y);
     }
@@ -190,7 +189,7 @@ public:
         return status;
     }
 
-    void ForceUpdate() {
+    void ForceUpdate() override {
         const Common::Input::CallbackStatus status{
             .type = Common::Input::InputType::Stick,
             .stick_status = GetStatus(),
@@ -266,7 +265,7 @@ public:
         callback_key_y = input_engine->SetCallback(y_input_identifier);
     }
 
-    ~InputFromTouch() {
+    ~InputFromTouch() override {
         input_engine->DeleteCallback(callback_key_button);
         input_engine->DeleteCallback(callback_key_x);
         input_engine->DeleteCallback(callback_key_y);
@@ -352,7 +351,7 @@ public:
         axis_callback_key = input_engine->SetCallback(axis_input_identifier);
     }
 
-    ~InputFromTrigger() {
+    ~InputFromTrigger() override {
         input_engine->DeleteCallback(callback_key_button);
         input_engine->DeleteCallback(axis_callback_key);
     }
@@ -419,7 +418,7 @@ public:
         callback_key = input_engine->SetCallback(input_identifier);
     }
 
-    ~InputFromAnalog() {
+    ~InputFromAnalog() override {
         input_engine->DeleteCallback(callback_key);
     }
 
@@ -466,7 +465,7 @@ public:
         callback_key = input_engine->SetCallback(input_identifier);
     }
 
-    ~InputFromBattery() {
+    ~InputFromBattery() override {
         input_engine->DeleteCallback(callback_key);
     }
 
@@ -474,7 +473,7 @@ public:
         return static_cast<Common::Input::BatteryLevel>(input_engine->GetBattery(identifier));
     }
 
-    void ForceUpdate() {
+    void ForceUpdate() override {
         const Common::Input::CallbackStatus status{
             .type = Common::Input::InputType::Battery,
             .battery_status = GetStatus(),
@@ -518,7 +517,7 @@ public:
         callback_key = input_engine->SetCallback(input_identifier);
     }
 
-    ~InputFromMotion() {
+    ~InputFromMotion() override {
         input_engine->DeleteCallback(callback_key);
     }
 
@@ -593,7 +592,7 @@ public:
         callback_key_z = input_engine->SetCallback(z_input_identifier);
     }
 
-    ~InputFromAxisMotion() {
+    ~InputFromAxisMotion() override {
         input_engine->DeleteCallback(callback_key_x);
         input_engine->DeleteCallback(callback_key_y);
         input_engine->DeleteCallback(callback_key_z);
@@ -618,7 +617,7 @@ public:
         return status;
     }
 
-    void ForceUpdate() {
+    void ForceUpdate() override {
         const Common::Input::CallbackStatus status{
             .type = Common::Input::InputType::Motion,
             .motion_status = GetStatus(),
@@ -668,16 +667,16 @@ public:
     explicit OutputFromIdentifier(PadIdentifier identifier_, InputEngine* input_engine_)
         : identifier(identifier_), input_engine(input_engine_) {}
 
-    virtual void SetLED(Common::Input::LedStatus led_status) {
+    void SetLED(const Common::Input::LedStatus& led_status) override {
         input_engine->SetLeds(identifier, led_status);
     }
 
-    virtual Common::Input::VibrationError SetVibration(
-        Common::Input::VibrationStatus vibration_status) {
+    Common::Input::VibrationError SetVibration(
+        const Common::Input::VibrationStatus& vibration_status) override {
         return input_engine->SetRumble(identifier, vibration_status);
     }
 
-    virtual Common::Input::PollingError SetPollingMode(Common::Input::PollingMode polling_mode) {
+    Common::Input::PollingError SetPollingMode(Common::Input::PollingMode polling_mode) override {
         return input_engine->SetPollingMode(identifier, polling_mode);
     }
 

src/input_common/input_poller.h

@@ -13,9 +13,6 @@ class Factory;
 
 namespace InputCommon {
 class InputEngine;
-/**
- * An Input factory. It receives input events and forward them to all input devices it created.
- */
 
 class OutputFactory final : public Common::Input::Factory<Common::Input::OutputDevice> {
 public:
@@ -24,10 +21,10 @@ public:
     /**
      * Creates an output device from the parameters given.
      * @param params contains parameters for creating the device:
-     * @param    - "guid": text string for identifing controllers
-     * @param    - "port": port of the connected device
-     * @param    - "pad": slot of the connected controller
-     * @return an unique ouput device with the parameters specified
+     *               - "guid" text string for identifying controllers
+     *               - "port": port of the connected device
+     *               - "pad": slot of the connected controller
+     * @returns a unique output device with the parameters specified
      */
     std::unique_ptr<Common::Input::OutputDevice> Create(
         const Common::ParamPackage& params) override;
@@ -36,6 +33,9 @@ private:
     std::shared_ptr<InputEngine> input_engine;
 };
 
+/**
+ * An Input factory. It receives input events and forward them to all input devices it created.
+ */
 class InputFactory final : public Common::Input::Factory<Common::Input::InputDevice> {
 public:
     explicit InputFactory(std::shared_ptr<InputEngine> input_engine_);
@@ -54,16 +54,16 @@ public:
      * - battery: Contains "battery"
      * - output: Contains "output"
      * @param params contains parameters for creating the device:
-     * @param    - "code": the code of the keyboard key to bind with the input
-     * @param    - "button": same as "code" but for controller buttons
-     * @param    - "hat": similar as "button" but it's a group of hat buttons from SDL
-     * @param    - "axis": the axis number of the axis to bind with the input
-     * @param    - "motion": the motion number of the motion to bind with the input
-     * @param    - "axis_x": same as axis but specifing horizontal direction
-     * @param    - "axis_y": same as axis but specifing vertical direction
-     * @param    - "axis_z": same as axis but specifing forward direction
-     * @param    - "battery": Only used as a placeholder to set the input type
-     * @return an unique input device with the parameters specified
+     *               - "code": the code of the keyboard key to bind with the input
+     *               - "button": same as "code" but for controller buttons
+     *               - "hat": similar as "button" but it's a group of hat buttons from SDL
+     *               - "axis": the axis number of the axis to bind with the input
+     *               - "motion": the motion number of the motion to bind with the input
+     *               - "axis_x": same as axis but specifying horizontal direction
+     *               - "axis_y": same as axis but specifying vertical direction
+     *               - "axis_z": same as axis but specifying forward direction
+     *               - "battery": Only used as a placeholder to set the input type
+     * @returns a unique input device with the parameters specified
      */
     std::unique_ptr<Common::Input::InputDevice> Create(const Common::ParamPackage& params) override;
 
@@ -71,14 +71,14 @@ private:
     /**
      * Creates a button device from the parameters given.
      * @param params contains parameters for creating the device:
-     * @param    - "code": the code of the keyboard key to bind with the input
-     * @param    - "button": same as "code" but for controller buttons
-     * @param    - "toggle": press once to enable, press again to disable
-     * @param    - "inverted": inverts the output of the button
-     * @param    - "guid": text string for identifing controllers
-     * @param    - "port": port of the connected device
-     * @param    - "pad": slot of the connected controller
-     * @return an unique input device with the parameters specified
+     *               - "code": the code of the keyboard key to bind with the input
+     *               - "button": same as "code" but for controller buttons
+     *               - "toggle": press once to enable, press again to disable
+     *               - "inverted": inverts the output of the button
+     *               - "guid": text string for identifying controllers
+     *               - "port": port of the connected device
+     *               - "pad": slot of the connected controller
+     * @returns a unique input device with the parameters specified
      */
     std::unique_ptr<Common::Input::InputDevice> CreateButtonDevice(
         const Common::ParamPackage& params);
@@ -86,14 +86,14 @@ private:
     /**
      * Creates a hat button device from the parameters given.
      * @param params contains parameters for creating the device:
-     * @param    - "button": the controller hat id to bind with the input
-     * @param    - "direction": the direction id to be detected
-     * @param    - "toggle": press once to enable, press again to disable
-     * @param    - "inverted": inverts the output of the button
-     * @param    - "guid": text string for identifing controllers
-     * @param    - "port": port of the connected device
-     * @param    - "pad": slot of the connected controller
-     * @return an unique input device with the parameters specified
+     *               - "button": the controller hat id to bind with the input
+     *               - "direction": the direction id to be detected
+     *               - "toggle": press once to enable, press again to disable
+     *               - "inverted": inverts the output of the button
+     *               - "guid": text string for identifying controllers
+     *               - "port": port of the connected device
+     *               - "pad": slot of the connected controller
+     * @returns a unique input device with the parameters specified
      */
     std::unique_ptr<Common::Input::InputDevice> CreateHatButtonDevice(
         const Common::ParamPackage& params);
@@ -101,19 +101,19 @@ private:
     /**
      * Creates a stick device from the parameters given.
      * @param params contains parameters for creating the device:
-     * @param    - "axis_x": the controller horizontal axis id to bind with the input
-     * @param    - "axis_y": the controller vertical axis id to bind with the input
-     * @param    - "deadzone": the mimimum required value to be detected
-     * @param    - "range": the maximum value required to reach 100%
-     * @param    - "threshold": the mimimum required value to considered pressed
-     * @param    - "offset_x": the amount of offset in the x axis
-     * @param    - "offset_y": the amount of offset in the y axis
-     * @param    - "invert_x": inverts the sign of the horizontal axis
-     * @param    - "invert_y": inverts the sign of the vertical axis
-     * @param    - "guid": text string for identifing controllers
-     * @param    - "port": port of the connected device
-     * @param    - "pad": slot of the connected controller
-     * @return an unique input device with the parameters specified
+     *               - "axis_x": the controller horizontal axis id to bind with the input
+     *               - "axis_y": the controller vertical axis id to bind with the input
+     *               - "deadzone": the minimum required value to be detected
+     *               - "range": the maximum value required to reach 100%
+     *               - "threshold": the minimum required value to considered pressed
+     *               - "offset_x": the amount of offset in the x axis
+     *               - "offset_y": the amount of offset in the y axis
+     *               - "invert_x": inverts the sign of the horizontal axis
+     *               - "invert_y": inverts the sign of the vertical axis
+     *               - "guid": text string for identifying controllers
+     *               - "port": port of the connected device
+     *               - "pad": slot of the connected controller
+     * @returns a unique input device with the parameters specified
      */
     std::unique_ptr<Common::Input::InputDevice> CreateStickDevice(
         const Common::ParamPackage& params);
@@ -121,16 +121,16 @@ private:
     /**
      * Creates an analog device from the parameters given.
      * @param params contains parameters for creating the device:
-     * @param    - "axis": the controller axis id to bind with the input
-     * @param    - "deadzone": the mimimum required value to be detected
-     * @param    - "range": the maximum value required to reach 100%
-     * @param    - "threshold": the mimimum required value to considered pressed
-     * @param    - "offset": the amount of offset in the axis
-     * @param    - "invert": inverts the sign of the axis
-     * @param    - "guid": text string for identifing controllers
-     * @param    - "port": port of the connected device
-     * @param    - "pad": slot of the connected controller
-     * @return an unique input device with the parameters specified
+     *               - "axis": the controller axis id to bind with the input
+     *               - "deadzone": the minimum required value to be detected
+     *               - "range": the maximum value required to reach 100%
+     *               - "threshold": the minimum required value to considered pressed
+     *               - "offset": the amount of offset in the axis
+     *               - "invert": inverts the sign of the axis
+     *               - "guid": text string for identifying controllers
+     *               - "port": port of the connected device
+     *               - "pad": slot of the connected controller
+     * @returns a unique input device with the parameters specified
      */
     std::unique_ptr<Common::Input::InputDevice> CreateAnalogDevice(
         const Common::ParamPackage& params);
@@ -138,20 +138,20 @@ private:
     /**
      * Creates a trigger device from the parameters given.
      * @param params contains parameters for creating the device:
-     * @param    - "button": the controller hat id to bind with the input
-     * @param    - "direction": the direction id to be detected
-     * @param    - "toggle": press once to enable, press again to disable
-     * @param    - "inverted": inverts the output of the button
-     * @param    - "axis": the controller axis id to bind with the input
-     * @param    - "deadzone": the mimimum required value to be detected
-     * @param    - "range": the maximum value required to reach 100%
-     * @param    - "threshold": the mimimum required value to considered pressed
-     * @param    - "offset": the amount of offset in the axis
-     * @param    - "invert": inverts the sign of the axis
-     * @param    - "guid": text string for identifing controllers
-     * @param    - "port": port of the connected device
-     * @param    - "pad": slot of the connected controller
-     * @return an unique input device with the parameters specified
+     *               - "button": the controller hat id to bind with the input
+     *               - "direction": the direction id to be detected
+     *               - "toggle": press once to enable, press again to disable
+     *               - "inverted": inverts the output of the button
+     *               - "axis": the controller axis id to bind with the input
+     *               - "deadzone": the minimum required value to be detected
+     *               - "range": the maximum value required to reach 100%
+     *               - "threshold": the minimum required value to considered pressed
+     *               - "offset": the amount of offset in the axis
+     *               - "invert": inverts the sign of the axis
+     *               - "guid": text string for identifying controllers
+     *               - "port": port of the connected device
+     *               - "pad": slot of the connected controller
+     * @returns a unique input device with the parameters specified
      */
     std::unique_ptr<Common::Input::InputDevice> CreateTriggerDevice(
         const Common::ParamPackage& params);
@@ -159,23 +159,23 @@ private:
     /**
      * Creates a touch device from the parameters given.
      * @param params contains parameters for creating the device:
-     * @param    - "button": the controller hat id to bind with the input
-     * @param    - "direction": the direction id to be detected
-     * @param    - "toggle": press once to enable, press again to disable
-     * @param    - "inverted": inverts the output of the button
-     * @param    - "axis_x": the controller horizontal axis id to bind with the input
-     * @param    - "axis_y": the controller vertical axis id to bind with the input
-     * @param    - "deadzone": the mimimum required value to be detected
-     * @param    - "range": the maximum value required to reach 100%
-     * @param    - "threshold": the mimimum required value to considered pressed
-     * @param    - "offset_x": the amount of offset in the x axis
-     * @param    - "offset_y": the amount of offset in the y axis
-     * @param    - "invert_x": inverts the sign of the horizontal axis
-     * @param    - "invert_y": inverts the sign of the vertical axis
-     * @param    - "guid": text string for identifing controllers
-     * @param    - "port": port of the connected device
-     * @param    - "pad": slot of the connected controller
-     * @return an unique input device with the parameters specified
+     *               - "button": the controller hat id to bind with the input
+     *               - "direction": the direction id to be detected
+     *               - "toggle": press once to enable, press again to disable
+     *               - "inverted": inverts the output of the button
+     *               - "axis_x": the controller horizontal axis id to bind with the input
+     *               - "axis_y": the controller vertical axis id to bind with the input
+     *               - "deadzone": the minimum required value to be detected
+     *               - "range": the maximum value required to reach 100%
+     *               - "threshold": the minimum required value to considered pressed
+     *               - "offset_x": the amount of offset in the x axis
+     *               - "offset_y": the amount of offset in the y axis
+     *               - "invert_x": inverts the sign of the horizontal axis
+     *               - "invert_y": inverts the sign of the vertical axis
+     *               - "guid": text string for identifying controllers
+     *               - "port": port of the connected device
+     *               - "pad": slot of the connected controller
+     * @returns a unique input device with the parameters specified
      */
     std::unique_ptr<Common::Input::InputDevice> CreateTouchDevice(
         const Common::ParamPackage& params);
@@ -183,10 +183,10 @@ private:
     /**
      * Creates a battery device from the parameters given.
      * @param params contains parameters for creating the device:
-     * @param    - "guid": text string for identifing controllers
-     * @param    - "port": port of the connected device
-     * @param    - "pad": slot of the connected controller
-     * @return an unique input device with the parameters specified
+     *               - "guid": text string for identifying controllers
+     *               - "port": port of the connected device
+     *               - "pad": slot of the connected controller
+     * @returns a unique input device with the parameters specified
      */
     std::unique_ptr<Common::Input::InputDevice> CreateBatteryDevice(
         const Common::ParamPackage& params);
@@ -194,21 +194,21 @@ private:
     /**
      * Creates a motion device from the parameters given.
      * @param params contains parameters for creating the device:
-     * @param    - "axis_x": the controller horizontal axis id to bind with the input
-     * @param    - "axis_y": the controller vertical axis id to bind with the input
-     * @param    - "axis_z": the controller fordward axis id to bind with the input
-     * @param    - "deadzone": the mimimum required value to be detected
-     * @param    - "range": the maximum value required to reach 100%
-     * @param    - "offset_x": the amount of offset in the x axis
-     * @param    - "offset_y": the amount of offset in the y axis
-     * @param    - "offset_z": the amount of offset in the z axis
-     * @param    - "invert_x": inverts the sign of the horizontal axis
-     * @param    - "invert_y": inverts the sign of the vertical axis
-     * @param    - "invert_z": inverts the sign of the fordward axis
-     * @param    - "guid": text string for identifing controllers
-     * @param    - "port": port of the connected device
-     * @param    - "pad": slot of the connected controller
-     * @return an unique input device with the parameters specified
+     *               - "axis_x": the controller horizontal axis id to bind with the input
+     *               - "axis_y": the controller vertical axis id to bind with the input
+     *               - "axis_z": the controller forward axis id to bind with the input
+     *               - "deadzone": the minimum required value to be detected
+     *               - "range": the maximum value required to reach 100%
+     *               - "offset_x": the amount of offset in the x axis
+     *               - "offset_y": the amount of offset in the y axis
+     *               - "offset_z": the amount of offset in the z axis
+     *               - "invert_x": inverts the sign of the horizontal axis
+     *               - "invert_y": inverts the sign of the vertical axis
+     *               - "invert_z": inverts the sign of the forward axis
+     *               - "guid": text string for identifying controllers
+     *               - "port": port of the connected device
+     *               - "pad": slot of the connected controller
+     * @returns a unique input device with the parameters specified
      */
     std::unique_ptr<Common::Input::InputDevice> CreateMotionDevice(Common::ParamPackage params);
 

src/shader_recompiler/backend/glsl/emit_glsl.cpp

@@ -176,7 +176,7 @@ void EmitCode(EmitContext& ctx, const IR::Program& program) {
 }
 
 std::string GlslVersionSpecifier(const EmitContext& ctx) {
-    if (ctx.uses_y_direction || ctx.info.stores.Legacy() || ctx.info.loads.Legacy()) {
+    if (ctx.uses_y_direction) {
         return " compatibility";
     }
     return "";

src/shader_recompiler/backend/glsl/emit_glsl_context_get_set.cpp

@@ -98,10 +98,6 @@ void GetCbuf16(EmitContext& ctx, IR::Inst& inst, const IR::Value& binding, const
         GetCbuf(ctx, ret, binding, offset, 16, cast, bit_offset);
     }
 }
-
-u32 TexCoordIndex(IR::Attribute attr) {
-    return (static_cast<u32>(attr) - static_cast<u32>(IR::Attribute::FixedFncTexture0S)) / 4;
-}
 } // Anonymous namespace
 
 void EmitGetCbufU8(EmitContext& ctx, IR::Inst& inst, const IR::Value& binding,
@@ -190,18 +186,6 @@ void EmitGetAttribute(EmitContext& ctx, IR::Inst& inst, IR::Attribute attr,
         ctx.AddF32("{}=in_attr{}{}.{};", inst, index, InputVertexIndex(ctx, vertex), swizzle);
         return;
     }
-    // GLSL only exposes 8 legacy texcoords
-    if (attr >= IR::Attribute::FixedFncTexture8S && attr <= IR::Attribute::FixedFncTexture9Q) {
-        LOG_WARNING(Shader_GLSL, "GLSL does not allow access to gl_TexCoord[{}]",
-                    TexCoordIndex(attr));
-        ctx.AddF32("{}=0.f;", inst);
-        return;
-    }
-    if (attr >= IR::Attribute::FixedFncTexture0S && attr <= IR::Attribute::FixedFncTexture7Q) {
-        const u32 index{TexCoordIndex(attr)};
-        ctx.AddF32("{}=gl_TexCoord[{}].{};", inst, index, swizzle);
-        return;
-    }
     switch (attr) {
     case IR::Attribute::PrimitiveId:
         ctx.AddF32("{}=itof(gl_PrimitiveID);", inst);
@@ -215,16 +199,6 @@ void EmitGetAttribute(EmitContext& ctx, IR::Inst& inst, IR::Attribute attr,
         ctx.AddF32("{}={}{}.{};", inst, input_decorator, ctx.position_name, swizzle);
         break;
     }
-    case IR::Attribute::ColorFrontDiffuseR:
-    case IR::Attribute::ColorFrontDiffuseG:
-    case IR::Attribute::ColorFrontDiffuseB:
-    case IR::Attribute::ColorFrontDiffuseA:
-        if (ctx.stage == Stage::Fragment) {
-            ctx.AddF32("{}=gl_Color.{};", inst, swizzle);
-        } else {
-            ctx.AddF32("{}=gl_FrontColor.{};", inst, swizzle);
-        }
-        break;
     case IR::Attribute::PointSpriteS:
     case IR::Attribute::PointSpriteT:
         ctx.AddF32("{}=gl_PointCoord.{};", inst, swizzle);
@@ -264,17 +238,6 @@ void EmitSetAttribute(EmitContext& ctx, IR::Attribute attr, std::string_view val
     }
     const u32 element{static_cast<u32>(attr) % 4};
     const char swizzle{"xyzw"[element]};
-    // GLSL only exposes 8 legacy texcoords
-    if (attr >= IR::Attribute::FixedFncTexture8S && attr <= IR::Attribute::FixedFncTexture9Q) {
-        LOG_WARNING(Shader_GLSL, "GLSL does not allow access to gl_TexCoord[{}]",
-                    TexCoordIndex(attr));
-        return;
-    }
-    if (attr >= IR::Attribute::FixedFncTexture0S && attr <= IR::Attribute::FixedFncTexture7Q) {
-        const u32 index{TexCoordIndex(attr)};
-        ctx.Add("gl_TexCoord[{}].{}={};", index, swizzle, value);
-        return;
-    }
     switch (attr) {
     case IR::Attribute::Layer:
         if (ctx.stage != Stage::Geometry &&
@@ -312,33 +275,6 @@ void EmitSetAttribute(EmitContext& ctx, IR::Attribute attr, std::string_view val
     case IR::Attribute::PositionW:
         ctx.Add("gl_Position.{}={};", swizzle, value);
         break;
-    case IR::Attribute::ColorFrontDiffuseR:
-    case IR::Attribute::ColorFrontDiffuseG:
-    case IR::Attribute::ColorFrontDiffuseB:
-    case IR::Attribute::ColorFrontDiffuseA:
-        ctx.Add("gl_FrontColor.{}={};", swizzle, value);
-        break;
-    case IR::Attribute::ColorFrontSpecularR:
-    case IR::Attribute::ColorFrontSpecularG:
-    case IR::Attribute::ColorFrontSpecularB:
-    case IR::Attribute::ColorFrontSpecularA:
-        ctx.Add("gl_FrontSecondaryColor.{}={};", swizzle, value);
-        break;
-    case IR::Attribute::ColorBackDiffuseR:
-    case IR::Attribute::ColorBackDiffuseG:
-    case IR::Attribute::ColorBackDiffuseB:
-    case IR::Attribute::ColorBackDiffuseA:
-        ctx.Add("gl_BackColor.{}={};", swizzle, value);
-        break;
-    case IR::Attribute::ColorBackSpecularR:
-    case IR::Attribute::ColorBackSpecularG:
-    case IR::Attribute::ColorBackSpecularB:
-    case IR::Attribute::ColorBackSpecularA:
-        ctx.Add("gl_BackSecondaryColor.{}={};", swizzle, value);
-        break;
-    case IR::Attribute::FogCoordinate:
-        ctx.Add("gl_FogFragCoord={};", value);
-        break;
     case IR::Attribute::ClipDistance0:
     case IR::Attribute::ClipDistance1:
     case IR::Attribute::ClipDistance2:

src/shader_recompiler/backend/glsl/glsl_emit_context.cpp

@@ -211,27 +211,6 @@ std::string_view OutputPrimitive(OutputTopology topology) {
     throw InvalidArgument("Invalid output topology {}", topology);
 }
 
-void SetupLegacyOutPerVertex(EmitContext& ctx, std::string& header) {
-    if (!ctx.info.stores.Legacy()) {
-        return;
-    }
-    if (ctx.info.stores.FixedFunctionTexture()) {
-        header += "vec4 gl_TexCoord[8];";
-    }
-    if (ctx.info.stores.AnyComponent(IR::Attribute::ColorFrontDiffuseR)) {
-        header += "vec4 gl_FrontColor;";
-    }
-    if (ctx.info.stores.AnyComponent(IR::Attribute::ColorFrontSpecularR)) {
-        header += "vec4 gl_FrontSecondaryColor;";
-    }
-    if (ctx.info.stores.AnyComponent(IR::Attribute::ColorBackDiffuseR)) {
-        header += "vec4 gl_BackColor;";
-    }
-    if (ctx.info.stores.AnyComponent(IR::Attribute::ColorBackSpecularR)) {
-        header += "vec4 gl_BackSecondaryColor;";
-    }
-}
-
 void SetupOutPerVertex(EmitContext& ctx, std::string& header) {
     if (!StoresPerVertexAttributes(ctx.stage)) {
         return;
@@ -250,7 +229,6 @@ void SetupOutPerVertex(EmitContext& ctx, std::string& header) {
         ctx.profile.support_viewport_index_layer_non_geometry && ctx.stage != Stage::Geometry) {
         header += "int gl_ViewportIndex;";
     }
-    SetupLegacyOutPerVertex(ctx, header);
     header += "};";
     if (ctx.info.stores[IR::Attribute::ViewportIndex] && ctx.stage == Stage::Geometry) {
         header += "out int gl_ViewportIndex;";
@@ -282,21 +260,6 @@ void SetupInPerVertex(EmitContext& ctx, std::string& header) {
     }
     header += "}gl_in[gl_MaxPatchVertices];";
 }
-
-void SetupLegacyInPerFragment(EmitContext& ctx, std::string& header) {
-    if (!ctx.info.loads.Legacy()) {
-        return;
-    }
-    header += "in gl_PerFragment{";
-    if (ctx.info.loads.FixedFunctionTexture()) {
-        header += "vec4 gl_TexCoord[8];";
-    }
-    if (ctx.info.loads.AnyComponent(IR::Attribute::ColorFrontDiffuseR)) {
-        header += "vec4 gl_Color;";
-    }
-    header += "};";
-}
-
 } // Anonymous namespace
 
 EmitContext::EmitContext(IR::Program& program, Bindings& bindings, const Profile& profile_,
@@ -361,7 +324,6 @@ EmitContext::EmitContext(IR::Program& program, Bindings& bindings, const Profile
     }
     SetupOutPerVertex(*this, header);
     SetupInPerVertex(*this, header);
-    SetupLegacyInPerFragment(*this, header);
 
     for (size_t index = 0; index < IR::NUM_GENERICS; ++index) {
         if (!info.loads.Generic(index) || !runtime_info.previous_stage_stores.Generic(index)) {

src/shader_recompiler/backend/spirv/emit_spirv_context_get_set.cpp

@@ -44,14 +44,6 @@ Id AttrPointer(EmitContext& ctx, Id pointer_type, Id vertex, Id base, Args&&...
     }
 }
 
-bool IsLegacyAttribute(IR::Attribute attribute) {
-    return (attribute >= IR::Attribute::ColorFrontDiffuseR &&
-            attribute <= IR::Attribute::ColorBackSpecularA) ||
-           attribute == IR::Attribute::FogCoordinate ||
-           (attribute >= IR::Attribute::FixedFncTexture0S &&
-            attribute <= IR::Attribute::FixedFncTexture9Q);
-}
-
 template <typename... Args>
 Id OutputAccessChain(EmitContext& ctx, Id result_type, Id base, Args&&... args) {
     if (ctx.stage == Stage::TessellationControl) {
@@ -83,17 +75,6 @@ std::optional<OutAttr> OutputAttrPointer(EmitContext& ctx, IR::Attribute attr) {
             return OutputAccessChain(ctx, ctx.output_f32, info.id, index_id);
         }
     }
-    if (IsLegacyAttribute(attr)) {
-        if (attr == IR::Attribute::FogCoordinate) {
-            return OutputAccessChain(ctx, ctx.output_f32, ctx.OutputLegacyAttribute(attr),
-                                     ctx.Const(0u));
-        } else {
-            const u32 element{static_cast<u32>(attr) % 4};
-            const Id element_id{ctx.Const(element)};
-            return OutputAccessChain(ctx, ctx.output_f32, ctx.OutputLegacyAttribute(attr),
-                                     element_id);
-        }
-    }
     switch (attr) {
     case IR::Attribute::PointSize:
         return ctx.output_point_size;
@@ -327,18 +308,6 @@ Id EmitGetAttribute(EmitContext& ctx, IR::Attribute attr, Id vertex) {
         const Id value{ctx.OpLoad(type->id, pointer)};
         return type->needs_cast ? ctx.OpBitcast(ctx.F32[1], value) : value;
     }
-    if (IsLegacyAttribute(attr)) {
-        if (attr == IR::Attribute::FogCoordinate) {
-            const Id attr_ptr{AttrPointer(ctx, ctx.input_f32, vertex,
-                                          ctx.InputLegacyAttribute(attr), ctx.Const(0u))};
-            return ctx.OpLoad(ctx.F32[1], attr_ptr);
-        } else {
-            const Id element_id{ctx.Const(element)};
-            const Id attr_ptr{AttrPointer(ctx, ctx.input_f32, vertex,
-                                          ctx.InputLegacyAttribute(attr), element_id)};
-            return ctx.OpLoad(ctx.F32[1], attr_ptr);
-        }
-    }
     switch (attr) {
     case IR::Attribute::PrimitiveId:
         return ctx.OpBitcast(ctx.F32[1], ctx.OpLoad(ctx.U32[1], ctx.primitive_id));

src/shader_recompiler/backend/spirv/spirv_emit_context.cpp

@@ -18,8 +18,6 @@
 
 namespace Shader::Backend::SPIRV {
 namespace {
-constexpr size_t NUM_FIXEDFNCTEXTURE = 10;
-
 enum class Operation {
     Increment,
     Decrement,
@@ -432,34 +430,6 @@ Id DescType(EmitContext& ctx, Id sampled_type, Id pointer_type, u32 count) {
         return pointer_type;
     }
 }
-
-size_t FindAndSetNextUnusedLocation(std::bitset<IR::NUM_GENERICS>& used_locations,
-                                    size_t& start_offset) {
-    for (size_t location = start_offset; location < used_locations.size(); ++location) {
-        if (!used_locations.test(location)) {
-            start_offset = location;
-            used_locations.set(location);
-            return location;
-        }
-    }
-    throw RuntimeError("Unable to get an unused location for legacy attribute");
-}
-
-Id DefineLegacyInput(EmitContext& ctx, std::bitset<IR::NUM_GENERICS>& used_locations,
-                     size_t& start_offset) {
-    const Id id{DefineInput(ctx, ctx.F32[4], true)};
-    const size_t location = FindAndSetNextUnusedLocation(used_locations, start_offset);
-    ctx.Decorate(id, spv::Decoration::Location, location);
-    return id;
-}
-
-Id DefineLegacyOutput(EmitContext& ctx, std::bitset<IR::NUM_GENERICS>& used_locations,
-                      size_t& start_offset, std::optional<u32> invocations) {
-    const Id id{DefineOutput(ctx, ctx.F32[4], invocations)};
-    const size_t location = FindAndSetNextUnusedLocation(used_locations, start_offset);
-    ctx.Decorate(id, spv::Decoration::Location, location);
-    return id;
-}
 } // Anonymous namespace
 
 void VectorTypes::Define(Sirit::Module& sirit_ctx, Id base_type, std::string_view name) {
@@ -543,64 +513,6 @@ Id EmitContext::BitOffset16(const IR::Value& offset) {
     return OpBitwiseAnd(U32[1], OpShiftLeftLogical(U32[1], Def(offset), Const(3u)), Const(16u));
 }
 
-Id EmitContext::InputLegacyAttribute(IR::Attribute attribute) {
-    if (attribute >= IR::Attribute::ColorFrontDiffuseR &&
-        attribute <= IR::Attribute::ColorFrontDiffuseA) {
-        return input_front_color;
-    }
-    if (attribute >= IR::Attribute::ColorFrontSpecularR &&
-        attribute <= IR::Attribute::ColorFrontSpecularA) {
-        return input_front_secondary_color;
-    }
-    if (attribute >= IR::Attribute::ColorBackDiffuseR &&
-        attribute <= IR::Attribute::ColorBackDiffuseA) {
-        return input_back_color;
-    }
-    if (attribute >= IR::Attribute::ColorBackSpecularR &&
-        attribute <= IR::Attribute::ColorBackSpecularA) {
-        return input_back_secondary_color;
-    }
-    if (attribute == IR::Attribute::FogCoordinate) {
-        return input_fog_frag_coord;
-    }
-    if (attribute >= IR::Attribute::FixedFncTexture0S &&
-        attribute <= IR::Attribute::FixedFncTexture9Q) {
-        u32 index =
-            (static_cast<u32>(attribute) - static_cast<u32>(IR::Attribute::FixedFncTexture0S)) / 4;
-        return input_fixed_fnc_textures[index];
-    }
-    throw InvalidArgument("Attribute is not legacy attribute {}", attribute);
-}
-
-Id EmitContext::OutputLegacyAttribute(IR::Attribute attribute) {
-    if (attribute >= IR::Attribute::ColorFrontDiffuseR &&
-        attribute <= IR::Attribute::ColorFrontDiffuseA) {
-        return output_front_color;
-    }
-    if (attribute >= IR::Attribute::ColorFrontSpecularR &&
-        attribute <= IR::Attribute::ColorFrontSpecularA) {
-        return output_front_secondary_color;
-    }
-    if (attribute >= IR::Attribute::ColorBackDiffuseR &&
-        attribute <= IR::Attribute::ColorBackDiffuseA) {
-        return output_back_color;
-    }
-    if (attribute >= IR::Attribute::ColorBackSpecularR &&
-        attribute <= IR::Attribute::ColorBackSpecularA) {
-        return output_back_secondary_color;
-    }
-    if (attribute == IR::Attribute::FogCoordinate) {
-        return output_fog_frag_coord;
-    }
-    if (attribute >= IR::Attribute::FixedFncTexture0S &&
-        attribute <= IR::Attribute::FixedFncTexture9Q) {
-        u32 index =
-            (static_cast<u32>(attribute) - static_cast<u32>(IR::Attribute::FixedFncTexture0S)) / 4;
-        return output_fixed_fnc_textures[index];
-    }
-    throw InvalidArgument("Attribute is not legacy attribute {}", attribute);
-}
-
 void EmitContext::DefineCommonTypes(const Info& info) {
     void_id = TypeVoid();
 
@@ -1389,7 +1301,6 @@ void EmitContext::DefineInputs(const IR::Program& program) {
         loads[IR::Attribute::TessellationEvaluationPointV]) {
         tess_coord = DefineInput(*this, F32[3], false, spv::BuiltIn::TessCoord);
     }
-    std::bitset<IR::NUM_GENERICS> used_locations{};
     for (size_t index = 0; index < IR::NUM_GENERICS; ++index) {
         const AttributeType input_type{runtime_info.generic_input_types[index]};
         if (!runtime_info.previous_stage_stores.Generic(index)) {
@@ -1401,7 +1312,6 @@ void EmitContext::DefineInputs(const IR::Program& program) {
         if (input_type == AttributeType::Disabled) {
             continue;
         }
-        used_locations.set(index);
         const Id type{GetAttributeType(*this, input_type)};
         const Id id{DefineInput(*this, type, true)};
         Decorate(id, spv::Decoration::Location, static_cast<u32>(index));
@@ -1427,30 +1337,6 @@ void EmitContext::DefineInputs(const IR::Program& program) {
             break;
         }
     }
-    size_t previous_unused_location = 0;
-    if (loads.AnyComponent(IR::Attribute::ColorFrontDiffuseR)) {
-        input_front_color = DefineLegacyInput(*this, used_locations, previous_unused_location);
-    }
-    if (loads.AnyComponent(IR::Attribute::ColorFrontSpecularR)) {
-        input_front_secondary_color =
-            DefineLegacyInput(*this, used_locations, previous_unused_location);
-    }
-    if (loads.AnyComponent(IR::Attribute::ColorBackDiffuseR)) {
-        input_back_color = DefineLegacyInput(*this, used_locations, previous_unused_location);
-    }
-    if (loads.AnyComponent(IR::Attribute::ColorBackSpecularR)) {
-        input_back_secondary_color =
-            DefineLegacyInput(*this, used_locations, previous_unused_location);
-    }
-    if (loads.AnyComponent(IR::Attribute::FogCoordinate)) {
-        input_fog_frag_coord = DefineLegacyInput(*this, used_locations, previous_unused_location);
-    }
-    for (size_t index = 0; index < NUM_FIXEDFNCTEXTURE; ++index) {
-        if (loads.AnyComponent(IR::Attribute::FixedFncTexture0S + index * 4)) {
-            input_fixed_fnc_textures[index] =
-                DefineLegacyInput(*this, used_locations, previous_unused_location);
-        }
-    }
     if (stage == Stage::TessellationEval) {
         for (size_t index = 0; index < info.uses_patches.size(); ++index) {
             if (!info.uses_patches[index]) {
@@ -1501,38 +1387,9 @@ void EmitContext::DefineOutputs(const IR::Program& program) {
         viewport_mask = DefineOutput(*this, TypeArray(U32[1], Const(1u)), std::nullopt,
                                      spv::BuiltIn::ViewportMaskNV);
     }
-    std::bitset<IR::NUM_GENERICS> used_locations{};
     for (size_t index = 0; index < IR::NUM_GENERICS; ++index) {
         if (info.stores.Generic(index)) {
             DefineGenericOutput(*this, index, invocations);
-            used_locations.set(index);
-        }
-    }
-    size_t previous_unused_location = 0;
-    if (info.stores.AnyComponent(IR::Attribute::ColorFrontDiffuseR)) {
-        output_front_color =
-            DefineLegacyOutput(*this, used_locations, previous_unused_location, invocations);
-    }
-    if (info.stores.AnyComponent(IR::Attribute::ColorFrontSpecularR)) {
-        output_front_secondary_color =
-            DefineLegacyOutput(*this, used_locations, previous_unused_location, invocations);
-    }
-    if (info.stores.AnyComponent(IR::Attribute::ColorBackDiffuseR)) {
-        output_back_color =
-            DefineLegacyOutput(*this, used_locations, previous_unused_location, invocations);
-    }
-    if (info.stores.AnyComponent(IR::Attribute::ColorBackSpecularR)) {
-        output_back_secondary_color =
-            DefineLegacyOutput(*this, used_locations, previous_unused_location, invocations);
-    }
-    if (info.stores.AnyComponent(IR::Attribute::FogCoordinate)) {
-        output_fog_frag_coord =
-            DefineLegacyOutput(*this, used_locations, previous_unused_location, invocations);
-    }
-    for (size_t index = 0; index < NUM_FIXEDFNCTEXTURE; ++index) {
-        if (info.stores.AnyComponent(IR::Attribute::FixedFncTexture0S + index * 4)) {
-            output_fixed_fnc_textures[index] =
-                DefineLegacyOutput(*this, used_locations, previous_unused_location, invocations);
         }
     }
     switch (stage) {

src/shader_recompiler/backend/spirv/spirv_emit_context.h

@@ -113,9 +113,6 @@ public:
     [[nodiscard]] Id BitOffset8(const IR::Value& offset);
     [[nodiscard]] Id BitOffset16(const IR::Value& offset);
 
-    Id InputLegacyAttribute(IR::Attribute attribute);
-    Id OutputLegacyAttribute(IR::Attribute attribute);
-
     Id Const(u32 value) {
         return Constant(U32[1], value);
     }
@@ -281,22 +278,10 @@ public:
     Id write_global_func_u32x4{};
 
     Id input_position{};
-    Id input_front_color{};
-    Id input_front_secondary_color{};
-    Id input_back_color{};
-    Id input_back_secondary_color{};
-    Id input_fog_frag_coord{};
-    std::array<Id, 10> input_fixed_fnc_textures{};
     std::array<Id, 32> input_generics{};
 
     Id output_point_size{};
     Id output_position{};
-    Id output_front_color{};
-    Id output_front_secondary_color{};
-    Id output_back_color{};
-    Id output_back_secondary_color{};
-    Id output_fog_frag_coord{};
-    std::array<Id, 10> output_fixed_fnc_textures{};
     std::array<std::array<GenericElementInfo, 4>, 32> output_generics{};
 
     Id output_tess_level_outer{};

src/shader_recompiler/frontend/ir/attribute.h

@@ -224,6 +224,8 @@ enum class Attribute : u64 {
 
 constexpr size_t NUM_GENERICS = 32;
 
+constexpr size_t NUM_FIXEDFNCTEXTURE = 10;
+
 [[nodiscard]] bool IsGeneric(Attribute attribute) noexcept;
 
 [[nodiscard]] u32 GenericAttributeIndex(Attribute attribute);

src/shader_recompiler/frontend/maxwell/translate_program.cpp

@@ -5,6 +5,7 @@
 #include <algorithm>
 #include <memory>
 #include <vector>
+#include <queue>
 
 #include "common/settings.h"
 #include "shader_recompiler/exception.h"
@@ -127,6 +128,42 @@ void AddNVNStorageBuffers(IR::Program& program) {
         });
     }
 }
+
+bool IsLegacyAttribute(IR::Attribute attribute) {
+    return (attribute >= IR::Attribute::ColorFrontDiffuseR &&
+            attribute <= IR::Attribute::ColorBackSpecularA) ||
+           attribute == IR::Attribute::FogCoordinate ||
+           (attribute >= IR::Attribute::FixedFncTexture0S &&
+            attribute <= IR::Attribute::FixedFncTexture9Q);
+}
+
+std::map<IR::Attribute, IR::Attribute> GenerateLegacyToGenericMappings(
+    const VaryingState& state, std::queue<IR::Attribute> ununsed_generics) {
+    std::map<IR::Attribute, IR::Attribute> mapping;
+    for (size_t index = 0; index < 4; ++index) {
+        auto attr = IR::Attribute::ColorFrontDiffuseR + index * 4;
+        if (state.AnyComponent(attr)) {
+            for (size_t i = 0; i < 4; ++i) {
+                mapping.insert({attr + i, ununsed_generics.front() + i});
+            }
+            ununsed_generics.pop();
+        }
+    }
+    if (state[IR::Attribute::FogCoordinate]) {
+        mapping.insert({IR::Attribute::FogCoordinate, ununsed_generics.front()});
+        ununsed_generics.pop();
+    }
+    for (size_t index = 0; index < IR::NUM_FIXEDFNCTEXTURE; ++index) {
+        auto attr = IR::Attribute::FixedFncTexture0S + index * 4;
+        if (state.AnyComponent(attr)) {
+            for (size_t i = 0; i < 4; ++i) {
+                mapping.insert({attr + i, ununsed_generics.front() + i});
+            }
+            ununsed_generics.pop();
+        }
+    }
+    return mapping;
+}
 } // Anonymous namespace
 
 IR::Program TranslateProgram(ObjectPool<IR::Inst>& inst_pool, ObjectPool<IR::Block>& block_pool,
@@ -226,4 +263,62 @@ IR::Program MergeDualVertexPrograms(IR::Program& vertex_a, IR::Program& vertex_b
     return result;
 }
 
+void ConvertLegacyToGeneric(IR::Program& program, const Shader::RuntimeInfo& runtime_info) {
+    auto& stores = program.info.stores;
+    if (stores.Legacy()) {
+        std::queue<IR::Attribute> ununsed_output_generics{};
+        for (size_t index = 0; index < IR::NUM_GENERICS; ++index) {
+            if (!stores.Generic(index)) {
+                ununsed_output_generics.push(IR::Attribute::Generic0X + index * 4);
+            }
+        }
+        auto mappings = GenerateLegacyToGenericMappings(stores, ununsed_output_generics);
+        for (IR::Block* const block : program.post_order_blocks) {
+            for (IR::Inst& inst : block->Instructions()) {
+                switch (inst.GetOpcode()) {
+                case IR::Opcode::SetAttribute: {
+                    const auto attr = inst.Arg(0).Attribute();
+                    if (IsLegacyAttribute(attr)) {
+                        stores.Set(mappings[attr], true);
+                        inst.SetArg(0, Shader::IR::Value(mappings[attr]));
+                    }
+                    break;
+                }
+                default:
+                    break;
+                }
+            }
+        }
+    }
+
+    auto& loads = program.info.loads;
+    if (loads.Legacy()) {
+        std::queue<IR::Attribute> ununsed_input_generics{};
+        for (size_t index = 0; index < IR::NUM_GENERICS; ++index) {
+            const AttributeType input_type{runtime_info.generic_input_types[index]};
+            if (!runtime_info.previous_stage_stores.Generic(index) || !loads.Generic(index) ||
+                input_type == AttributeType::Disabled) {
+                ununsed_input_generics.push(IR::Attribute::Generic0X + index * 4);
+            }
+        }
+        auto mappings = GenerateLegacyToGenericMappings(loads, ununsed_input_generics);
+        for (IR::Block* const block : program.post_order_blocks) {
+            for (IR::Inst& inst : block->Instructions()) {
+                switch (inst.GetOpcode()) {
+                case IR::Opcode::GetAttribute: {
+                    const auto attr = inst.Arg(0).Attribute();
+                    if (IsLegacyAttribute(attr)) {
+                        loads.Set(mappings[attr], true);
+                        inst.SetArg(0, Shader::IR::Value(mappings[attr]));
+                    }
+                    break;
+                }
+                default:
+                    break;
+                }
+            }
+        }
+    }
+}
+
 } // namespace Shader::Maxwell

src/shader_recompiler/frontend/maxwell/translate_program.h

@@ -10,6 +10,7 @@
 #include "shader_recompiler/frontend/maxwell/control_flow.h"
 #include "shader_recompiler/host_translate_info.h"
 #include "shader_recompiler/object_pool.h"
+#include "shader_recompiler/runtime_info.h"
 
 namespace Shader::Maxwell {
 
@@ -20,4 +21,7 @@ namespace Shader::Maxwell {
 [[nodiscard]] IR::Program MergeDualVertexPrograms(IR::Program& vertex_a, IR::Program& vertex_b,
                                                   Environment& env_vertex_b);
 
+[[nodiscard]] void ConvertLegacyToGeneric(IR::Program& program,
+                                          const Shader::RuntimeInfo& runtime_info);
+
 } // namespace Shader::Maxwell

src/shader_recompiler/varying_state.h

@@ -53,7 +53,8 @@ struct VaryingState {
         return AnyComponent(IR::Attribute::ColorFrontDiffuseR) ||
                AnyComponent(IR::Attribute::ColorFrontSpecularR) ||
                AnyComponent(IR::Attribute::ColorBackDiffuseR) ||
-               AnyComponent(IR::Attribute::ColorBackSpecularR) || FixedFunctionTexture();
+               AnyComponent(IR::Attribute::ColorBackSpecularR) || FixedFunctionTexture() ||
+               mask[static_cast<size_t>(IR::Attribute::FogCoordinate)];
     }
 
     [[nodiscard]] bool FixedFunctionTexture() const noexcept {

src/video_core/renderer_opengl/gl_shader_cache.cpp

@@ -42,6 +42,7 @@ namespace {
 using Shader::Backend::GLASM::EmitGLASM;
 using Shader::Backend::GLSL::EmitGLSL;
 using Shader::Backend::SPIRV::EmitSPIRV;
+using Shader::Maxwell::ConvertLegacyToGeneric;
 using Shader::Maxwell::MergeDualVertexPrograms;
 using Shader::Maxwell::TranslateProgram;
 using VideoCommon::ComputeEnvironment;
@@ -462,12 +463,14 @@ std::unique_ptr<GraphicsPipeline> ShaderCache::CreateGraphicsPipeline(
             MakeRuntimeInfo(key, program, previous_program, glasm_use_storage_buffers, use_glasm)};
         switch (device.GetShaderBackend()) {
         case Settings::ShaderBackend::GLSL:
+            ConvertLegacyToGeneric(program, runtime_info);
             sources[stage_index] = EmitGLSL(profile, runtime_info, program, binding);
             break;
         case Settings::ShaderBackend::GLASM:
             sources[stage_index] = EmitGLASM(profile, runtime_info, program, binding);
             break;
         case Settings::ShaderBackend::SPIRV:
+            ConvertLegacyToGeneric(program, runtime_info);
             sources_spirv[stage_index] = EmitSPIRV(profile, runtime_info, program, binding);
             break;
         }

src/video_core/renderer_vulkan/vk_pipeline_cache.cpp

@@ -48,6 +48,7 @@ MICROPROFILE_DECLARE(Vulkan_PipelineCache);
 
 namespace {
 using Shader::Backend::SPIRV::EmitSPIRV;
+using Shader::Maxwell::ConvertLegacyToGeneric;
 using Shader::Maxwell::MergeDualVertexPrograms;
 using Shader::Maxwell::TranslateProgram;
 using VideoCommon::ComputeEnvironment;
@@ -543,6 +544,7 @@ std::unique_ptr<GraphicsPipeline> PipelineCache::CreateGraphicsPipeline(
         infos[stage_index] = &program.info;
 
         const auto runtime_info{MakeRuntimeInfo(programs, key, program, previous_stage)};
+        ConvertLegacyToGeneric(program, runtime_info);
         const std::vector<u32> code{EmitSPIRV(profile, runtime_info, program, binding)};
         device.SaveShader(code);
         modules[stage_index] = BuildShader(device, code);

src/video_core/texture_cache/texture_cache.h

@@ -1137,8 +1137,13 @@ typename TextureCache<P>::BlitImages TextureCache<P>::GetBlitImages(
     } while (has_deleted_images);
     const ImageBase& src_image = slot_images[src_id];
     const ImageBase& dst_image = slot_images[dst_id];
+    const bool native_bgr = runtime.HasNativeBgr();
     if (GetFormatType(dst_info.format) != GetFormatType(dst_image.info.format) ||
-        GetFormatType(src_info.format) != GetFormatType(src_image.info.format)) {
+        GetFormatType(src_info.format) != GetFormatType(src_image.info.format) ||
+        !VideoCore::Surface::IsViewCompatible(dst_info.format, dst_image.info.format, false,
+                                              native_bgr) ||
+        !VideoCore::Surface::IsViewCompatible(src_info.format, src_image.info.format, false,
+                                              native_bgr)) {
         // Make sure the images match the expected format.
         do {
             has_deleted_images = false;

src/yuzu/applets/qt_software_keyboard.cpp

@@ -475,11 +475,26 @@ void QtSoftwareKeyboardDialog::open() {
     row = 0;
     column = 0;
 
-    const auto* const curr_button =
-        keyboard_buttons[static_cast<int>(bottom_osk_index)][row][column];
+    switch (bottom_osk_index) {
+    case BottomOSKIndex::LowerCase:
+    case BottomOSKIndex::UpperCase: {
+        const auto* const curr_button =
+            keyboard_buttons[static_cast<std::size_t>(bottom_osk_index)][row][column];
 
-    // This is a workaround for setFocus() randomly not showing focus in the UI
-    QCursor::setPos(curr_button->mapToGlobal(curr_button->rect().center()));
+        // This is a workaround for setFocus() randomly not showing focus in the UI
+        QCursor::setPos(curr_button->mapToGlobal(curr_button->rect().center()));
+        break;
+    }
+    case BottomOSKIndex::NumberPad: {
+        const auto* const curr_button = numberpad_buttons[row][column];
+
+        // This is a workaround for setFocus() randomly not showing focus in the UI
+        QCursor::setPos(curr_button->mapToGlobal(curr_button->rect().center()));
+        break;
+    }
+    default:
+        break;
+    }
 
     StartInputThread();
 }

src/yuzu/configuration/config.cpp

@@ -776,6 +776,7 @@ void Config::ReadUIGamelistValues() {
     ReadBasicSetting(UISettings::values.row_1_text_id);
     ReadBasicSetting(UISettings::values.row_2_text_id);
     ReadBasicSetting(UISettings::values.cache_game_list);
+    ReadBasicSetting(UISettings::values.favorites_expanded);
     const int favorites_size = qt_config->beginReadArray(QStringLiteral("favorites"));
     for (int i = 0; i < favorites_size; i++) {
         qt_config->setArrayIndex(i);
@@ -1300,6 +1301,7 @@ void Config::SaveUIGamelistValues() {
     WriteBasicSetting(UISettings::values.row_1_text_id);
     WriteBasicSetting(UISettings::values.row_2_text_id);
     WriteBasicSetting(UISettings::values.cache_game_list);
+    WriteBasicSetting(UISettings::values.favorites_expanded);
     qt_config->beginWriteArray(QStringLiteral("favorites"));
     for (int i = 0; i < UISettings::values.favorited_ids.size(); i++) {
         qt_config->setArrayIndex(i);

src/yuzu/game_list.cpp

@@ -173,13 +173,17 @@ void GameList::OnItemExpanded(const QModelIndex& item) {
     const bool is_dir = type == GameListItemType::CustomDir || type == GameListItemType::SdmcDir ||
                         type == GameListItemType::UserNandDir ||
                         type == GameListItemType::SysNandDir;
-
-    if (!is_dir) {
+    const bool is_fave = type == GameListItemType::Favorites;
+    if (!is_dir && !is_fave) {
         return;
     }
-
-    UISettings::values.game_dirs[item.data(GameListDir::GameDirRole).toInt()].expanded =
-        tree_view->isExpanded(item);
+    const bool is_expanded = tree_view->isExpanded(item);
+    if (is_fave) {
+        UISettings::values.favorites_expanded = is_expanded;
+        return;
+    }
+    const int item_dir_index = item.data(GameListDir::GameDirRole).toInt();
+    UISettings::values.game_dirs[item_dir_index].expanded = is_expanded;
 }
 
 // Event in order to filter the gamelist after editing the searchfield
@@ -458,10 +462,13 @@ void GameList::DonePopulating(const QStringList& watch_list) {
     emit ShowList(!IsEmpty());
 
     item_model->invisibleRootItem()->appendRow(new GameListAddDir());
+
+    // Add favorites row
     item_model->invisibleRootItem()->insertRow(0, new GameListFavorites());
     tree_view->setRowHidden(0, item_model->invisibleRootItem()->index(),
                             UISettings::values.favorited_ids.size() == 0);
-    tree_view->expand(item_model->invisibleRootItem()->child(0)->index());
+    tree_view->setExpanded(item_model->invisibleRootItem()->child(0)->index(),
+                           UISettings::values.favorites_expanded.GetValue());
     for (const auto id : UISettings::values.favorited_ids) {
         AddFavorite(id);
     }

src/yuzu/main.cpp

@@ -77,6 +77,7 @@ static FileSys::VirtualFile VfsDirectoryCreateFileWrapper(const FileSys::Virtual
 #include "common/fs/fs.h"
 #include "common/fs/fs_paths.h"
 #include "common/fs/path_util.h"
+#include "common/literals.h"
 #include "common/logging/backend.h"
 #include "common/logging/filter.h"
 #include "common/logging/log.h"
@@ -134,6 +135,8 @@ static FileSys::VirtualFile VfsDirectoryCreateFileWrapper(const FileSys::Virtual
 #include "yuzu/main.h"
 #include "yuzu/uisettings.h"
 
+using namespace Common::Literals;
+
 #ifdef USE_DISCORD_PRESENCE
 #include "yuzu/discord_impl.h"
 #endif
@@ -259,10 +262,9 @@ GMainWindow::GMainWindow()
     LOG_INFO(Frontend, "Host CPU: {}", cpu_string);
 #endif
     LOG_INFO(Frontend, "Host OS: {}", QSysInfo::prettyProductName().toStdString());
-    LOG_INFO(Frontend, "Host RAM: {:.2f} GB",
-             Common::GetMemInfo().TotalPhysicalMemory / 1024.0f / 1024 / 1024);
-    LOG_INFO(Frontend, "Host Swap: {:.2f} GB",
-             Common::GetMemInfo().TotalSwapMemory / 1024.0f / 1024 / 1024);
+    LOG_INFO(Frontend, "Host RAM: {:.2f} GiB",
+             Common::GetMemInfo().TotalPhysicalMemory / f64{1_GiB});
+    LOG_INFO(Frontend, "Host Swap: {:.2f} GiB", Common::GetMemInfo().TotalSwapMemory / f64{1_GiB});
     UpdateWindowTitle();
 
     show();
@@ -1302,16 +1304,13 @@ bool GMainWindow::LoadROM(const QString& filename, u64 program_id, std::size_t p
         case Core::SystemResultStatus::ErrorVideoCore:
             QMessageBox::critical(
                 this, tr("An error occurred initializing the video core."),
-                tr("yuzu has encountered an error while running the video core, please see the "
-                   "log for more details."
+                tr("yuzu has encountered an error while running the video core. "
+                   "This is usually caused by outdated GPU drivers, including integrated ones. "
+                   "Please see the log for more details. "
                    "For more information on accessing the log, please see the following page: "
-                   "<a href='https://community.citra-emu.org/t/how-to-upload-the-log-file/296'>How "
-                   "to "
-                   "Upload the Log File</a>."
-                   "Ensure that you have the latest graphics drivers for your GPU."));
-
+                   "<a href='https://yuzu-emu.org/help/reference/log-files/'>"
+                   "How to Upload the Log File</a>. "));
             break;
-
         default:
             if (result > Core::SystemResultStatus::ErrorLoader) {
                 const u16 loader_id = static_cast<u16>(Core::SystemResultStatus::ErrorLoader);

src/yuzu/uisettings.h

@@ -74,7 +74,6 @@ struct Values {
     QString game_dir_deprecated;
     bool game_dir_deprecated_deepscan;
     QVector<UISettings::GameDir> game_dirs;
-    QVector<u64> favorited_ids;
     QStringList recent_files;
     QString language;
 
@@ -96,6 +95,8 @@ struct Values {
     Settings::BasicSetting<uint8_t> row_2_text_id{2, "row_2_text_id"};
     std::atomic_bool is_game_list_reload_pending{false};
     Settings::BasicSetting<bool> cache_game_list{true, "cache_game_list"};
+    Settings::BasicSetting<bool> favorites_expanded{true, "favorites_expanded"};
+    QVector<u64> favorited_ids;
 
     bool configuration_applied;
     bool reset_to_defaults;