TEST

Experiments on window mirroring + add vertex/index to the virtual page
another try to add compute shaders to the uma path
2026-09-29 11:53:24 +00:00 · 2026-09-15 05:02:32 -04:00 · 2026-09-15 03:02:55 -04:00 · 2026-09-14 22:04:56 -04:00 · 2026-09-14 20:15:13 -04:00 · 2026-09-14 20:15:13 -04:00
184 changed files with 19267 additions and 16815 deletions
@@ -0,0 +1,13 @@
+diff --git a/libs/cobalt/include/boost/cobalt/concepts.hpp b/libs/cobalt/include/boost/cobalt/concepts.hpp
+index d49f2ec..a9bdb80 100644
+--- a/libs/cobalt/include/boost/cobalt/concepts.hpp
+++ b/libs/cobalt/include/boost/cobalt/concepts.hpp
+@@ -62,7 +62,7 @@ struct enable_awaitables
+ template <typename T>
+ concept with_get_executor = requires (T& t)
+ {
+-  {t.get_executor()} -> asio::execution::executor;
+  t.get_executor();
+ };
+ 
+ 
@@ -417,9 +417,12 @@ AddJsonPackage(boost)
 set(BOOST_NO_HEADERS ${Boost_ADDED})

 if (Boost_ADDED)
-    add_compile_definitions(YUZU_BOOST_v1)
+    if (MSVC OR ANDROID)
+        add_compile_definitions(YUZU_BOOST_v1)
+    endif()
+
    if (NOT MSVC OR CXX_CLANG)
-        # solaris sucks
+        # boost sucks
        if (SOLARIS)
            add_compile_options($<$<COMPILE_LANGUAGE:C,CXX>:-pthreads>)
        endif()
@@ -428,7 +431,8 @@ if (Boost_ADDED)
        target_compile_options(boost_icl INTERFACE $<$<COMPILE_LANGUAGE:C,CXX>:-Wno-shadow>)
        target_compile_options(boost_asio INTERFACE
            $<$<COMPILE_LANGUAGE:C,CXX>:-Wno-conversion>
-            $<$<COMPILE_LANGUAGE:C,CXX>:-Wno-implicit-fallthrough>)
+            $<$<COMPILE_LANGUAGE:C,CXX>:-Wno-implicit-fallthrough>
+        )
    endif()
 endif()

@@ -6,19 +6,22 @@
        "version": "v0.19.0"
    },
    "boost": {
-        "artifact": "boost-%VERSION%.tar.zst",
+        "artifact": "%VERSION%-cmake.tar.xz",
        "find_args": "CONFIG OPTIONAL_COMPONENTS headers context system fiber filesystem",
-        "hash": "681d97be4386767662e230b2e7c9754d45e709cc5db4e747c23c27d1f5b0e87770bdf19b0bc44dcb0e8349324887bbb8fffb432098f4d0ce74a5043021a90afc",
+        "hash": "6ae6e94664fe7f2fb01976b59b276ac5df8085c7503fa829d810fbfe495960cfec44fa2c36e2cb23480bc19c956ed199d4952b02639a00a6c07625d4e7130c2d",
        "min_version": "1.57",
        "package": "Boost",
-        "repo": "eden-emulator/ext-boost",
-        "version": "1.92.0"
+        "patches": [
+            "0001-clang-cl.patch"
+        ],
+        "repo": "boostorg/boost",
+        "version": "boost-1.90.0"
    },
    "boost_headers": {
        "bundled": true,
-        "hash": "c5fa2cd72f6e6666b7963b97bc359c75284b8fb540c30f3629a028b85270c9bc66c8a051383964f2bd4c1e005a4691593d15696e7ef39ea87cf6cff9e5691fb2",
+        "hash": "4ef845775e2277a8104ded6ddf749aa262ce52cf8438042869a048f9a0156dd772fbbcfa74efa1378fecef339b7286f6fe4b4feb5c45d49966b35d08e3e83507",
        "repo": "boostorg/headers",
-        "version": "boost-1.91.0"
+        "version": "boost-1.90.0"
    },
    "catch2": {
        "hash": "7eea385d79d88a5690cde131fe7ccda97d5c54ea09d6f515000d7bf07c828809d61c1ac99912c1ee507cf933f61c1c47ecdcc45df7850ffa82714034b0fccf35",
@@ -27,6 +27,7 @@ enum class BooleanSetting(override val key: String) : AbstractBooleanSetting {
    RENDERER_ASYNCHRONOUS_GPU_EMULATION("use_asynchronous_gpu_emulation"),
    RENDERER_ASYNC_PRESENTATION("async_presentation"),
    RENDERER_ASYNCHRONOUS_SHADERS("use_asynchronous_shaders"),
+    RENDERER_UNIFIED_MEMORY("use_unified_memory"),
    RENDERER_REACTIVE_FLUSHING("use_reactive_flushing"),
    ENABLE_BUFFER_HISTORY("enable_buffer_history"),
    USE_OPTIMIZED_VERTEX_BUFFERS("use_optimized_vertex_buffers"),
@@ -785,6 +785,13 @@ abstract class SettingsItem(
                    descriptionId = R.string.renderer_asynchronous_shaders_description
                )
            )
+            put(
+                SwitchSetting(
+                    BooleanSetting.RENDERER_UNIFIED_MEMORY,
+                    titleId = R.string.renderer_unified_memory,
+                    descriptionId = R.string.renderer_unified_memory_description
+                )
+            )
            put(
                SingleChoiceSetting(
                    IntSetting.FAST_GPU_TIME,
@@ -558,6 +558,7 @@ class SettingsFragmentPresenter(
            add(BooleanSetting.FIX_BLOOM_EFFECTS.key)
            add(BooleanSetting.EMULATE_BGR565.key)
            add(BooleanSetting.RENDERER_ASYNCHRONOUS_SHADERS.key)
+            add(BooleanSetting.RENDERER_UNIFIED_MEMORY.key)
            add(IntSetting.ANDROID_PIPELINE_WORKERS.key)
            add(BooleanSetting.RENDERER_ASYNCHRONOUS_GPU_EMULATION.key)
            add(BooleanSetting.RENDERER_ASYNC_PRESENTATION.key)
@@ -788,7 +788,7 @@ int Java_org_yuzu_yuzu_1emu_NativeLibrary_installFileToNand(JNIEnv* env, jobject
 jboolean Java_org_yuzu_yuzu_1emu_NativeLibrary_doesUpdateMatchProgram(JNIEnv* env, jobject jobj,
                                                                      jstring jprogramId,
                                                                      jstring jupdatePath) {
-    const u64 program_id = FileSys::GetBaseTitleID(EmulationSession::GetProgramId(env, jprogramId));
+    u64 program_id = EmulationSession::GetProgramId(env, jprogramId);
    std::string updatePath = Common::Android::GetJString(env, jupdatePath);
    std::shared_ptr<FileSys::NSP> nsp = std::make_shared<FileSys::NSP>(
        EmulationSession::GetInstance().System().GetFilesystem()->OpenFile(
@@ -796,7 +796,7 @@ jboolean Java_org_yuzu_yuzu_1emu_NativeLibrary_doesUpdateMatchProgram(JNIEnv* en
    for (const auto& item : nsp->GetNCAs()) {
        for (const auto& nca_details : item.second) {
            if (nca_details.second->GetName().ends_with(".cnmt.nca")) {
-                const auto update_id = FileSys::GetBaseTitleID(nca_details.second->GetTitleId());
+                auto update_id = nca_details.second->GetTitleId() & ~0xFFFULL;
                if (update_id == program_id) {
                    return true;
                }
@@ -289,7 +289,6 @@
    <string name="gpu_driver_fetcher">Obtenedor de controladores de la GPU</string>
    <string name="gpu_driver_manager">Gestor de controladores de la GPU</string>
    <string name="install_gpu_driver_description">Instale los controladores alternativos para obtener un posible mejor rendimiento o precisión</string>
-    <string name="post_processing_add">Añadir efecto</string>
    <string name="post_processing_open_list">Abrir lista</string>
    <string name="post_processing_close_list">Cerrar lista</string>
    <string name="post_processing_reset">Restablecer a predeterminado</string>
@@ -318,13 +318,6 @@
    <string name="frame_gen_target_rate">Целевая частота кадров</string>
    <string name="frame_gen_target_rate_description">Выберите значение под ваш дисплей. Множитель подстроится сам, чтобы его держать, и откатит изменения, если игра начнёт тормозить.</string>
    <string name="frame_gen_target_rate_off">Использовать фиксированный множитель</string>
-    <string name="frame_gen_on">Вкл.</string>
-    <string name="frame_gen_off">Выкл.</string>
-    <string name="frame_gen_fixed">Фикс.</string>
-    <string name="frame_gen_flow_auto">Авто</string>
-    <string name="frame_gen_quick_description">Включите или выключите генерацию кадров и выберите множитель кадров.</string>
-    <string name="frame_gen_target_rate_quick_description">Генерация кадров с заданной частотой кадров. Множитель регулируется автоматически.</string>
-    <string name="frame_gen_flow_scale_quick_description">Разрешение, используемое для оценки движения между кадрами. Меньшие значения экономят время ГПУ.</string>
    <string name="frame_gen_queue_target">Целевой размер очереди кадров</string>
    <string name="frame_gen_queue_target_description">Сколько готовых кадров может ожидать перед выводом на экран. Более длинные очереди сглаживают скачки ГПУ ценой задержки ввода.</string>
    <string name="frame_gen_queue_target_0">Минимальная задержка (Без буферизации)</string>
@@ -335,14 +328,12 @@
    <string name="frame_gen_flow_scale">Разрешение оценки движения</string>
    <string name="frame_gen_flow_scale_description">Разрешение прохода оптического потока в долях от выходного разрешения. Его понижение — самый дешёвый способ вернуть производительность.</string>
    <string name="frame_gen_unsupported">Генерация кадров недоступна</string>
-    <string name="frame_gen_unsupported_description">В этом ГПУ драйвере отсутствует поддержка модели памяти Vulkan или половинной точности (float16), которая требуется шейдерам Lossless Scaling.</string>
    <string name="lossless_scaling_setup_description">Опционально. Укажите свой Lossless.dll для включения генерации кадров позже.</string>
    <string name="lossless_scaling_install">Установить Lossless.dll</string>
    <string name="lossless_scaling_install_description">Для генерации кадров требуется ваша собственная легальная копия Lossless.dll из Lossless Scaling</string>
    <string name="lossless_scaling_replace_description">Выбрать другой файл Lossless.dll</string>
    <string name="frame_generation_support">Генерация кадров</string>
    <string name="frame_generation_supported">Поддерживается</string>
-    <string name="frame_generation_unsupported">Не поддерживается (нет модели памяти Vulkan или float16)</string>
    <string name="lossless_scaling_description">Предоставьте свою копию Lossless.dll для включения генерации кадров</string>
    <string name="lossless_scaling_installed">Установлена</string>
    <string name="lossless_scaling_not_installed">Не установлена</string>
@@ -1,7 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources xmlns:tools="http://schemas.android.com/tools" tools:ignore="MissingTranslation">

-    <string name="app_disclaimer">本软件可以运行用于 Nintendo Switch 游戏机的游戏。不包含任何游戏或密钥。<br /><br />在您开始之前, 请定位您设备存储上的 <![CDATA[<b> prod.keys </b>]]> 文件。<br /><br /><![CDATA[<a href=\"https://git.eden-emu.dev/eden-emu/eden/src/branch/master/docs/user/QuickStart.md\">了解更多</a>]]></string>
    <string name="notice_notification_channel_name">错误与注意事项</string>
    <string name="notice_notification_channel_description">当发生错误时显示通知。</string>
    <string name="notification_permission_not_granted">未授予通知权限！</string>
@@ -291,25 +290,6 @@
    <string name="gpu_driver_fetcher">GPU驱动获取器</string>
    <string name="gpu_driver_manager">GPU 驱动管理器</string>
    <string name="install_gpu_driver_description">安装替代的驱动程序以获得更好的性能和精度</string>
-    <string name="post_processing">后处理效果</string>
-    <string name="post_processing_description">在渲染完成后应用 ReShade FX 效果</string>
-    <string name="post_processing_per_game_description">配置此游戏的效果链</string>
-    <string name="post_processing_add">添加效果</string>
-    <string name="post_processing_remove">移除</string>
-    <string name="post_processing_open_list">打开列表</string>
-    <string name="post_processing_close_list">关闭列表</string>
-    <string name="post_processing_remove_all">移除效果</string>
-    <string name="post_processing_preset_locked">预设已激活。在开始游戏前可以在后处理效果中编辑它。</string>
-    <string name="post_processing_preset_modified">数值已从原始预设被更改。</string>
-    <string name="post_processing_presets">预设</string>
-    <string name="post_processing_preset_new">新建预设</string>
-    <string name="post_processing_preset_new_description">把您加载的效果及当前数值保存为一个预设,以便今后选用。</string>
-    <string name="post_processing_preset_name_invalid">请给预设起一个不含等号的名称。</string>
-    <string name="post_processing_preset_none">无预设</string>
-    <string name="post_processing_preset_delete">删除预设</string>
-    <string name="post_processing_preset_reset">重置预设值</string>
-    <string name="post_processing_reset">重置为默认值</string>
-    <string name="post_processing_empty">找不到效果。请在此文件中放置 .fx 文件:</string>
    <string name="frame_gen">帧生成</string>
    <string name="frame_gen_per_game_description">配置针对此游戏的帧生成设定</string>
    <string name="frame_gen_description">设定要在使用无损缩放渲染的帧之间应用的插帧。启用后强制采用FIFO呈现模式 。</string>
@@ -324,13 +304,6 @@
    <string name="frame_gen_target_rate_60">60 FPS</string>
    <string name="frame_gen_target_rate_90">90 FPS</string>
    <string name="frame_gen_target_rate_120">120 FPS</string>
-    <string name="frame_gen_on">开</string>
-    <string name="frame_gen_off">关</string>
-    <string name="frame_gen_fixed">固定</string>
-    <string name="frame_gen_flow_auto">自动</string>
-    <string name="frame_gen_quick_description">打开或关闭帧生成并选择帧生成倍数。</string>
-    <string name="frame_gen_target_rate_quick_description">生成帧到目标帧率。倍率会自动调整。</string>
-    <string name="frame_gen_flow_scale_quick_description">用来估算帧间运动的分辨率。较低的值可以节省 GPU 时间。</string>
    <string name="frame_gen_queue_target">帧队列目标</string>
    <string name="frame_gen_queue_target_description">在显示之前有多少已完成渲染的帧正在等待。较大的队列可以缓解 GPU 突发的压力，但会增加输入延迟。</string>
    <string name="frame_gen_queue_target_0">最低延迟 (无缓冲)</string>
@@ -341,14 +314,12 @@
    <string name="frame_gen_flow_scale">运动预估分辨率</string>
    <string name="frame_gen_flow_scale_description">光流通道的分辨率,以输出的比例表示。降低它是提升性能最经济的做法。</string>
    <string name="frame_gen_unsupported">帧生成不可用</string>
-    <string name="frame_gen_unsupported_description">这个 GPU 驱动缺少 Lossless Scaling 着色器所需的 Vulkan 内存模型或半精度 (float16) 支持。</string>
    <string name="lossless_scaling_setup_description">作为可选项。请提供您自己的 Lossless.dll 以便在之后可以启用帧生成。</string>
    <string name="lossless_scaling_install">安装 Lossless.dll</string>
    <string name="lossless_scaling_install_description">帧生成需要您自己从 Lossless Scaling 获得合法的 Lossless.dll 副本</string>
    <string name="lossless_scaling_replace_description">选择其它 Lossless.dll 副本</string>
    <string name="frame_generation_support">帧生成</string>
    <string name="frame_generation_supported">支持</string>
-    <string name="frame_generation_unsupported">不支持 (无 Vulkan 内存模型或 float16)</string>
    <string name="lossless_scaling">无损缩放</string>
    <string name="lossless_scaling_description">提供您自己的 Lossless.dll 文件以启用帧生成</string>
    <string name="lossless_scaling_installed">已安装</string>
@@ -640,11 +611,6 @@
    <string name="log">日志记录</string>
    <string name="flush_by_line">按行刷新调试日志</string>
    <string name="flush_by_line_description">在每行写入时刷新调试日志，使在崩溃或冻结时调试更容易。</string>
-    <string name="extended_logging">开启扩展日志</string>
-    <string name="extended_logging_description">将最大日志文件大小从 100 MiB 提升至 1GiB。</string>
-    <string name="log_filter">日志筛选器</string>
-    <string name="log_filter_description">控制 Eden 的日志类别。例如: *:Info Service.LM:Debug</string>
-
    <!-- GPU Logging strings -->
    <string name="gpu_logging_header">GPU 日志</string>
    <string name="gpu_log_level">日志等级</string>
@@ -928,8 +894,6 @@
    <string name="loader_error_file_not_found">ROM 文件不存在</string>

    <string name="loader_requires_firmware">游戏需要固件</string>
-    <string name="loader_requires_firmware_description"><![CDATA[这个游戏可能需要固件才能正常运行,但您还没有安装任何固件。请在启动前安装固件,或者按 “确定” 继续启动。]]></string>
-
    <!-- Intent Launch strings -->
    <string name="searching_for_game">正在搜索游戏...</string>
    <string name="game_not_found_for_title_id">未找到标题ID的游戏: %1$s</string>
@@ -229,7 +229,7 @@
    <string name="add_directory_success">遊戲目錄新增成功</string>
    <string name="enable_update_checks">檢查更新</string>
    <string name="enable_update_checks_description">在Eden啟動時檢查有無新版本並選擇是否要下載與安裝更新</string>
-    <string name="update_available">發現新版本</string>
+    <string name="update_available">偵測到新版本</string>
    <string name="update_available_description">有更新可供安裝：%1$s\n\n您要進行更新嗎？</string>
    <string name="downloading_update">下載更新中</string>
    <string name="update_download_failed">更新下載失敗</string>
@@ -1020,40 +1020,9 @@
    <string name="memory_6gb">6GB (不穩定)</string>
    <string name="memory_8gb">8GB (不穩定)</string>

-    <!-- CPU clock levels -->
-    <string name="clock_normal">正常</string>
-    <string name="clock_boost">加速</string>
-    <string name="clock_fast">超頻</string>
-
-    <!-- GPU clock levels -->
-    <string name="fast_gpu_normal">正常</string>
-    <string name="fast_gpu_medium">加速</string>
-    <string name="fast_gpu_high">超頻</string>
-
-    <!-- GPU swizzle texture size -->
-    <string name="gpu_texturesizeswizzle_verysmall">極小 （16MB）</string>
-    <string name="gpu_texturesizeswizzle_small">小（32MB）</string>
-    <string name="gpu_texturesizeswizzle_normal">正常（128MB）</string>
-    <string name="gpu_texturesizeswizzle_large">大（256MB）</string>
-    <string name="gpu_texturesizeswizzle_verylarge">極大（512MB）</string>
-
-    <!-- GPU swizzle streams -->
-    <string name="gpu_swizzle_verylow">極小（4MB）</string>
-    <string name="gpu_swizzle_low">小（8MB）</string>
-    <string name="gpu_swizzle_normal">正常（16MB）</string>
-    <string name="gpu_swizzle_medium">中（32MB）</string>
-    <string name="gpu_swizzle_high">大（64MB）</string>
-
-    <!-- GPU swizzle chunks -->
-    <string name="gpu_swizzlechunk_verylow">極小（32）</string>
-    <string name="gpu_swizzlechunk_low">小（64）</string>
-    <string name="gpu_swizzlechunk_normal">正常（128）</string>
-    <string name="gpu_swizzlechunk_medium">中（256）</string>
-    <string name="gpu_swizzlechunk_high">大（512）</string>
-
    <!-- Temperature Units -->
-    <string name="temperature_celsius">攝氏</string>
-    <string name="temperature_fahrenheit">華氏</string>
+    <string name="temperature_celsius">攝氏度</string>
+    <string name="temperature_fahrenheit">華氏度</string>

    <!-- Memory Sizes -->
    <string name="memory_byte_shorthand">B</string>
@@ -1066,8 +1035,6 @@

    <string name="renderer_none">無</string>

-    <!-- Renderer Accuracy -->
-    <string name="renderer_accuracy_low">效能</string>
    <string name="renderer_accuracy_high">準確</string>

    <!-- DMA Accuracy -->
@@ -605,6 +605,8 @@
    <string name="rescale_hack_description">Enables a legacy handling for the rescale configuration pass for games by using a quick rescale path</string>
    <string name="renderer_asynchronous_shaders">Use asynchronous shaders</string>
    <string name="renderer_asynchronous_shaders_description">Compiles shaders asynchronously. This may reduce stutters but may also introduce glitches.</string>
+    <string name="renderer_unified_memory">Unified memory access</string>
+    <string name="renderer_unified_memory_description">Allows GPU write buffer readbacks directly into guest memory, skipping the CPU staging copy.</string>
    <string name="gpu_unswizzle_settings">GPU Unswizzle Settings</string>
    <string name="gpu_unswizzle_settings_description">Configure GPU-based texture unswizzling parameters or disable it entirely. Adjust these settings to balance performance and texture loading quality.</string>
    <string name="gpu_unswizzle_enable">Enable GPU Unswizzle</string>
@@ -12,7 +12,7 @@
 namespace AudioCore {

 AudioCore::AudioCore(Core::System& system) {
-    audio_manager.emplace(system);
+    audio_manager.emplace();
    CreateSinks();
    // Must be created after the sinks
    adsp.emplace(system, *output_sink);
@@ -15,12 +15,12 @@

 namespace AudioCore::AudioIn {

-Manager::Manager(Core::System& system) {
+Manager::Manager(Core::System& system_) : system{system_} {
    std::iota(session_ids.begin(), session_ids.end(), 0);
    num_free_sessions = MaxInSessions;
 }

-Result Manager::AcquireSessionId(Core::System& system, size_t& session_id) {
+Result Manager::AcquireSessionId(size_t& session_id) {
    if (num_free_sessions == 0) {
        LOG_ERROR(Service_Audio, "All 4 AudioIn sessions are in use, cannot create any more");
        return Service::Audio::ResultOutOfSessions;
@@ -31,7 +31,7 @@ Result Manager::AcquireSessionId(Core::System& system, size_t& session_id) {
    return ResultSuccess;
 }

-void Manager::ReleaseSessionId(Core::System& system, const size_t session_id) {
+void Manager::ReleaseSessionId(const size_t session_id) {
    std::scoped_lock l{mutex};
    LOG_DEBUG(Service_Audio, "Freeing AudioIn session {}", session_id);
    session_ids[free_session_id] = session_id;
@@ -41,20 +41,21 @@ void Manager::ReleaseSessionId(Core::System& system, const size_t session_id) {
    applet_resource_user_ids[session_id] = 0;
 }

-Result Manager::LinkToManager(Core::System& system) {
+Result Manager::LinkToManager() {
    std::scoped_lock l{mutex};
    if (!linked_to_manager) {
-        system.AudioCore().GetAudioManager().SetInManager(this, &Manager::BufferReleaseAndRegister);
+        system.AudioCore().GetAudioManager().SetInManager(std::bind(&Manager::BufferReleaseAndRegister, this));
        linked_to_manager = true;
    }

    return ResultSuccess;
 }

-void Manager::Start(Core::System& system) {
+void Manager::Start() {
    if (sessions_started) {
        return;
    }
+
    std::scoped_lock l{mutex};
    for (auto& session : sessions) {
        if (session) {
@@ -65,19 +66,21 @@ void Manager::Start(Core::System& system) {
    sessions_started = true;
 }

-void Manager::BufferReleaseAndRegister(void *data, Core::System& system) noexcept {
-    Manager* this_ = (Manager*)data;
-    std::scoped_lock l{this_->mutex};
-    for (auto& session : this_->sessions) {
+void Manager::BufferReleaseAndRegister() {
+    std::scoped_lock l{mutex};
+    for (auto& session : sessions) {
        if (session != nullptr) {
            session->ReleaseAndRegisterBuffers();
        }
    }
 }

-u32 Manager::GetDeviceNames(Core::System& system, std::span<Renderer::AudioDevice::AudioDeviceName> names, [[maybe_unused]] const bool filter) {
+u32 Manager::GetDeviceNames(std::span<Renderer::AudioDevice::AudioDeviceName> names,
+                            [[maybe_unused]] const bool filter) {
    std::scoped_lock l{mutex};
-    LinkToManager(system);
+
+    LinkToManager();
+
    auto input_devices{Sink::GetDeviceListForSink(Settings::values.sink_id.GetValue(), true)};
    if (!input_devices.empty() && !names.empty()) {
        names[0] = Renderer::AudioDevice::AudioDeviceName("Uac");
@@ -1,6 +1,3 @@
-// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
-// SPDX-License-Identifier: GPL-3.0-or-later
-
 // SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later

@@ -33,29 +30,31 @@ public:
     * @param session_id - Output session_id.
     * @return Result code.
     */
-    Result AcquireSessionId(Core::System& system, size_t& session_id);
+    Result AcquireSessionId(size_t& session_id);

    /**
     * Release a session id on close.
     *
     * @param session_id - Session id to free.
     */
-    void ReleaseSessionId(Core::System& system, const size_t session_id);
+    void ReleaseSessionId(size_t session_id);

    /**
     * Link the audio in manager to the main audio manager.
     *
     * @return Result code.
     */
-    Result LinkToManager(Core::System& system);
+    Result LinkToManager();

    /**
     * Start the audio in manager.
     */
-    void Start(Core::System& system);
+    void Start();

-    /// @brief Callback function, called by the audio manager when the audio in event is signalled.
-    static void BufferReleaseAndRegister(void *data, Core::System& system) noexcept;
+    /**
+     * Callback function, called by the audio manager when the audio in event is signalled.
+     */
+    void BufferReleaseAndRegister();

    /**
     * Get a list of audio in device names.
@@ -65,8 +64,10 @@ public:
     *
     * @return Number of names written.
     */
-    u32 GetDeviceNames(Core::System& system, std::span<Renderer::AudioDevice::AudioDeviceName> names, bool filter);
+    u32 GetDeviceNames(std::span<Renderer::AudioDevice::AudioDeviceName> names, bool filter);

+    /// Core system
+    Core::System& system;
    /// Array of session ids
    std::array<size_t, MaxInSessions> session_ids{};
    /// Array of resource user ids
@@ -11,8 +11,8 @@

 namespace AudioCore {

-AudioManager::AudioManager(Core::System& system) {
-    thread = std::jthread([&](std::stop_token stop_token) {
+AudioManager::AudioManager() {
+    thread = std::jthread([this](std::stop_token stop_token) {
        Common::SetCurrentThreadName("AudioManager");
        std::unique_lock l{events.GetAudioEventLock()};
        events.ClearEvents();
@@ -25,7 +25,7 @@ AudioManager::AudioManager(Core::System& system) {
                const auto event_type = Event::Type(i);
                if (events.CheckAudioEventSet(event_type) || timed_out) {
                    if (buffer_events[i]) {
-                        buffer_events[i](buffer_data[i], system);
+                        buffer_events[i]();
                    }
                }
                events.SetAudioEvent(event_type, false);
@@ -42,13 +42,12 @@ void AudioManager::Shutdown() {
    }
 }

-Result AudioManager::SetOutManager(void *data, BufferEventFunc buffer_func) {
+Result AudioManager::SetOutManager(BufferEventFunc buffer_func) {
    if (thread.joinable()) {
        std::scoped_lock l{lock};
        const auto index{events.GetManagerIndex(Event::Type::AudioOutManager)};
        if (buffer_events[index] == nullptr) {
            buffer_events[index] = std::move(buffer_func);
-            buffer_data[index] = data;
            needs_update = true;
            events.SetAudioEvent(Event::Type::AudioOutManager, true);
        }
@@ -57,13 +56,12 @@ Result AudioManager::SetOutManager(void *data, BufferEventFunc buffer_func) {
    return Service::Audio::ResultOperationFailed;
 }

-Result AudioManager::SetInManager(void *data, BufferEventFunc buffer_func) {
+Result AudioManager::SetInManager(BufferEventFunc buffer_func) {
    if (thread.joinable()) {
        std::scoped_lock l{lock};
        const auto index{events.GetManagerIndex(Event::Type::AudioInManager)};
        if (buffer_events[index] == nullptr) {
            buffer_events[index] = std::move(buffer_func);
-            buffer_data[index] = data;
            needs_update = true;
            events.SetAudioEvent(Event::Type::AudioInManager, true);
        }
@@ -16,10 +16,6 @@

 #include "audio_core/audio_event.h"

-namespace Core {
-class System;
-}
-
 union Result;

 namespace AudioCore {
@@ -38,24 +34,31 @@ namespace AudioCore {
 * This is only used by audio in and audio out.
 */
 class AudioManager {
-    using BufferEventFunc = void (*)(void *data, Core::System& system) noexcept;
+    using BufferEventFunc = std::function<void()>;
+
 public:
-    explicit AudioManager(Core::System& system);
+    explicit AudioManager();

    /**
     * Shutdown the audio manager.
     */
    void Shutdown();

-    /// Register the out manager, keeping a function to be called when the out event is signalled.
-    /// @param buffer_func - Function to be called on signal.
-    /// @return Result code.
-    Result SetOutManager(void *data, BufferEventFunc buffer_func);
+    /**
+     * Register the out manager, keeping a function to be called when the out event is signalled.
+     *
+     * @param buffer_func - Function to be called on signal.
+     * @return Result code.
+     */
+    Result SetOutManager(BufferEventFunc buffer_func);

-    /// Register the in manager, keeping a function to be called when the in event is signalled.
-    /// @param buffer_func - Function to be called on signal.
-    /// @return Result code.
-    Result SetInManager(void *data, BufferEventFunc buffer_func);
+    /**
+     * Register the in manager, keeping a function to be called when the in event is signalled.
+     *
+     * @param buffer_func - Function to be called on signal.
+     * @return Result code.
+     */
+    Result SetInManager(BufferEventFunc buffer_func);

    /**
     * Set an event to signalled, and signal the thread.
@@ -70,9 +73,8 @@ private:
    bool needs_update{};
    /// Events to be set and signalled
    Event events{};
-    /// Callbacks (and user data) for each manager
+    /// Callbacks for each manager
    std::array<BufferEventFunc, 3> buffer_events{};
-    std::array<void*, 3> buffer_data{};
    /// General lock
    std::mutex lock{};
    /// Main thread for waiting and callbacks
@@ -14,12 +14,12 @@

 namespace AudioCore::AudioOut {

-Manager::Manager(Core::System& system) {
+Manager::Manager(Core::System& system_) : system{system_} {
    std::iota(session_ids.begin(), session_ids.end(), 0);
    num_free_sessions = MaxOutSessions;
 }

-Result Manager::AcquireSessionId(Core::System& system, size_t& session_id) {
+Result Manager::AcquireSessionId(size_t& session_id) {
    if (num_free_sessions == 0) {
        LOG_ERROR(Service_Audio, "All 12 Audio Out sessions are in use, cannot create any more");
        return Service::Audio::ResultOutOfSessions;
@@ -30,7 +30,7 @@ Result Manager::AcquireSessionId(Core::System& system, size_t& session_id) {
    return ResultSuccess;
 }

-void Manager::ReleaseSessionId(Core::System& system, const size_t session_id) {
+void Manager::ReleaseSessionId(const size_t session_id) {
    std::scoped_lock l{mutex};
    LOG_DEBUG(Service_Audio, "Freeing AudioOut session {}", session_id);
    session_ids[free_session_id] = session_id;
@@ -40,36 +40,44 @@ void Manager::ReleaseSessionId(Core::System& system, const size_t session_id) {
    applet_resource_user_ids[session_id] = 0;
 }

-Result Manager::LinkToManager(Core::System& system) {
+Result Manager::LinkToManager() {
    std::scoped_lock l{mutex};
    if (!linked_to_manager) {
-        system.AudioCore().GetAudioManager().SetOutManager(this, &Manager::BufferReleaseAndRegister);
+        system.AudioCore().GetAudioManager().SetOutManager(std::bind(&Manager::BufferReleaseAndRegister, this));
        linked_to_manager = true;
    }

    return ResultSuccess;
 }

-void Manager::Start(Core::System& system) {
-    if (!sessions_started) {
-        std::scoped_lock l{mutex};
-        for (auto& session : sessions) {
-            if (session) {
-                session->StartSession();
-            }
-        }
-        sessions_started = true;
+void Manager::Start() {
+    if (sessions_started) {
+        return;
    }
+
+    std::scoped_lock l{mutex};
+    for (auto& session : sessions) {
+        if (session) {
+            session->StartSession();
+        }
+    }
+
+    sessions_started = true;
 }

-void Manager::BufferReleaseAndRegister(void *data, Core::System& system) noexcept {
-    Manager* this_ = (Manager*)data;
-    std::scoped_lock l{this_->mutex};
-    for (auto& session : this_->sessions) {
+void Manager::BufferReleaseAndRegister() {
+    std::scoped_lock l{mutex};
+    for (auto& session : sessions) {
        if (session != nullptr) {
            session->ReleaseAndRegisterBuffers();
        }
    }
 }

+u32 Manager::GetAudioOutDeviceNames(
+    std::vector<Renderer::AudioDevice::AudioDeviceName>& names) const {
+    names.emplace_back("DeviceOut");
+    return 1;
+}
+
 } // namespace AudioCore::AudioOut
@@ -1,6 +1,3 @@
-// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
-// SPDX-License-Identifier: GPL-3.0-or-later
-
 // SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later

@@ -32,32 +29,42 @@ public:
     * @param session_id - Output session_id.
     * @return Result code.
     */
-    Result AcquireSessionId(Core::System& system, size_t& session_id);
+    Result AcquireSessionId(size_t& session_id);

    /**
     * Release a session id on close.
     *
     * @param session_id - Session id to free.
     */
-    void ReleaseSessionId(Core::System& system, const size_t session_id);
+    void ReleaseSessionId(size_t session_id);

    /**
     * Link this manager to the main audio manager.
     *
     * @return Result code.
     */
-    Result LinkToManager(Core::System& system);
+    Result LinkToManager();

    /**
     * Start the audio out manager.
     */
-    void Start(Core::System& system);
+    void Start();

    /**
     * Callback function, called by the audio manager when the audio out event is signalled.
     */
-    static void BufferReleaseAndRegister(void* data, Core::System& system) noexcept;
+    void BufferReleaseAndRegister();

+    /**
+     * Get a list of audio out device names.
+     *
+     * @param names     - Output container to write names to.
+     * @return Number of names written.
+     */
+    u32 GetAudioOutDeviceNames(std::vector<Renderer::AudioDevice::AudioDeviceName>& names) const;
+
+    /// Core system
+    Core::System& system;
    /// Array of session ids
    std::array<size_t, MaxOutSessions> session_ids{};
    /// Array of resource user ids
@@ -6,14 +6,14 @@

 #include "audio_core/audio_render_manager.h"
 #include "audio_core/common/audio_renderer_parameter.h"
-#include "audio_core/renderer/system_manager.h"
 #include "audio_core/common/feature_support.h"
 #include "core/core.h"

 namespace AudioCore::Renderer {

 Manager::Manager(Core::System& system_)
-    : system_manager{std::make_unique<SystemManager>(system_)}
+    : system{system_}
+    , system_manager{std::make_unique<SystemManager>(system)}
 {
    std::iota(session_ids.begin(), session_ids.end(), 0);
 }
@@ -62,11 +62,11 @@ u32 Manager::GetSessionCount() const {
    return session_count;
 }

-bool Manager::AddSystem(Renderer::System& system_) {
+bool Manager::AddSystem(System& system_) {
    return system_manager->Add(system_);
 }

-bool Manager::RemoveSystem(Renderer::System& system_) {
+bool Manager::RemoveSystem(System& system_) {
    return system_manager->Remove(system_);
 }

@@ -1,6 +1,3 @@
-// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
-// SPDX-License-Identifier: GPL-3.0-or-later
-
 // SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later

@@ -74,7 +71,7 @@ public:
     * @param system - The system to add.
     * @return True if the system was successfully added, otherwise false.
     */
-    bool AddSystem(Renderer::System& system);
+    bool AddSystem(System& system);

    /**
     * Remove a renderer system from the manager.
@@ -82,7 +79,7 @@ public:
     * @param system - The system to remove.
     * @return True if the system was successfully removed, otherwise false.
     */
-    bool RemoveSystem(Renderer::System& system);
+    bool RemoveSystem(System& system);

    /**
     * Free a session id when the system wants to shut down.
@@ -92,6 +89,8 @@ public:
    void ReleaseSessionId(s32 session_id);

 private:
+    /// Core system
+    Core::System& system;
    /// Session ids, -1 when in use
    std::array<s32, MaxRendererSessions> session_ids{};
    /// Number of active renderers
@@ -1,6 +1,3 @@
-// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
-// SPDX-License-Identifier: GPL-3.0-or-later
-
 // SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later

@@ -11,43 +8,42 @@
 namespace AudioCore::AudioIn {

 In::In(Core::System& system_, Manager& manager_, Kernel::KEvent* event_, size_t session_id_)
-    : manager{manager_}, parent_mutex{manager.mutex}, event{event_}
-    , audio_system{system_, event, session_id_}
-{}
+    : manager{manager_}, parent_mutex{manager.mutex}, event{event_}, system{system_, event,
+                                                                            session_id_} {}

-void In::Free(Core::System& system) {
+void In::Free() {
    std::scoped_lock l{parent_mutex};
-    manager.ReleaseSessionId(system, audio_system.GetSessionId());
+    manager.ReleaseSessionId(system.GetSessionId());
 }

 System& In::GetSystem() {
-    return audio_system;
+    return system;
 }

 AudioIn::State In::GetState() {
    std::scoped_lock l{parent_mutex};
-    return audio_system.GetState();
+    return system.GetState();
 }

 Result In::StartSystem() {
    std::scoped_lock l{parent_mutex};
-    return audio_system.Start();
+    return system.Start();
 }

 void In::StartSession() {
    std::scoped_lock l{parent_mutex};
-    audio_system.StartSession();
+    system.StartSession();
 }

 Result In::StopSystem() {
    std::scoped_lock l{parent_mutex};
-    return audio_system.Stop();
+    return system.Stop();
 }

 Result In::AppendBuffer(const AudioInBuffer& buffer, u64 tag) {
    std::scoped_lock l{parent_mutex};

-    if (audio_system.AppendBuffer(buffer, tag)) {
+    if (system.AppendBuffer(buffer, tag)) {
        return ResultSuccess;
    }
    return Service::Audio::ResultBufferCountReached;
@@ -55,20 +51,20 @@ Result In::AppendBuffer(const AudioInBuffer& buffer, u64 tag) {

 void In::ReleaseAndRegisterBuffers() {
    std::scoped_lock l{parent_mutex};
-    if (audio_system.GetState() == State::Started) {
-        audio_system.ReleaseBuffers();
-        audio_system.RegisterBuffers();
+    if (system.GetState() == State::Started) {
+        system.ReleaseBuffers();
+        system.RegisterBuffers();
    }
 }

 bool In::FlushAudioInBuffers() {
    std::scoped_lock l{parent_mutex};
-    return audio_system.FlushAudioInBuffers();
+    return system.FlushAudioInBuffers();
 }

 u32 In::GetReleasedBuffers(std::span<u64> tags) {
    std::scoped_lock l{parent_mutex};
-    return audio_system.GetReleasedBuffers(tags);
+    return system.GetReleasedBuffers(tags);
 }

 Kernel::KReadableEvent& In::GetBufferEvent() {
@@ -78,27 +74,27 @@ Kernel::KReadableEvent& In::GetBufferEvent() {

 f32 In::GetVolume() const {
    std::scoped_lock l{parent_mutex};
-    return audio_system.GetVolume();
+    return system.GetVolume();
 }

 void In::SetVolume(f32 volume) {
    std::scoped_lock l{parent_mutex};
-    audio_system.SetVolume(volume);
+    system.SetVolume(volume);
 }

 bool In::ContainsAudioBuffer(u64 tag) const {
    std::scoped_lock l{parent_mutex};
-    return audio_system.ContainsAudioBuffer(tag);
+    return system.ContainsAudioBuffer(tag);
 }

 u32 In::GetBufferCount() const {
    std::scoped_lock l{parent_mutex};
-    return audio_system.GetBufferCount();
+    return system.GetBufferCount();
 }

 u64 In::GetPlayedSampleCount() const {
    std::scoped_lock l{parent_mutex};
-    return audio_system.GetPlayedSampleCount();
+    return system.GetPlayedSampleCount();
 }

 } // namespace AudioCore::AudioIn
@@ -1,6 +1,3 @@
-// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
-// SPDX-License-Identifier: GPL-3.0-or-later
-
 // SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later

@@ -33,7 +30,7 @@ public:
    /**
     * Free this audio in from the audio in manager.
     */
-    void Free(Core::System& system);
+    void Free();

    /**
     * Get this audio in's system.
@@ -144,7 +141,7 @@ private:
    /// Buffer event, signalled when buffers are ready to be released
    Kernel::KEvent* event;
    /// Main audio in system
-    System audio_system;
+    System system;
 };

 } // namespace AudioCore::AudioIn
@@ -1,6 +1,3 @@
-// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
-// SPDX-License-Identifier: GPL-3.0-or-later
-
 // SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later

@@ -11,43 +8,42 @@
 namespace AudioCore::AudioOut {

 Out::Out(Core::System& system_, Manager& manager_, Kernel::KEvent* event_, size_t session_id_)
-    : manager{manager_}, parent_mutex{manager.mutex}, event{event_}
-    , audio_system{system_, event, session_id_}
-{}
+    : manager{manager_}, parent_mutex{manager.mutex}, event{event_}, system{system_, event,
+                                                                            session_id_} {}

-void Out::Free(Core::System& system) {
+void Out::Free() {
    std::scoped_lock l{parent_mutex};
-    manager.ReleaseSessionId(system, audio_system.GetSessionId());
+    manager.ReleaseSessionId(system.GetSessionId());
 }

 System& Out::GetSystem() {
-    return audio_system;
+    return system;
 }

 AudioOut::State Out::GetState() {
    std::scoped_lock l{parent_mutex};
-    return audio_system.GetState();
+    return system.GetState();
 }

 Result Out::StartSystem() {
    std::scoped_lock l{parent_mutex};
-    return audio_system.Start();
+    return system.Start();
 }

 void Out::StartSession() {
    std::scoped_lock l{parent_mutex};
-    audio_system.StartSession();
+    system.StartSession();
 }

 Result Out::StopSystem() {
    std::scoped_lock l{parent_mutex};
-    return audio_system.Stop();
+    return system.Stop();
 }

 Result Out::AppendBuffer(const AudioOutBuffer& buffer, const u64 tag) {
    std::scoped_lock l{parent_mutex};

-    if (audio_system.AppendBuffer(buffer, tag)) {
+    if (system.AppendBuffer(buffer, tag)) {
        return ResultSuccess;
    }
    return Service::Audio::ResultBufferCountReached;
@@ -55,20 +51,20 @@ Result Out::AppendBuffer(const AudioOutBuffer& buffer, const u64 tag) {

 void Out::ReleaseAndRegisterBuffers() {
    std::scoped_lock l{parent_mutex};
-    if (audio_system.GetState() == State::Started) {
-        audio_system.ReleaseBuffers();
-        audio_system.RegisterBuffers();
+    if (system.GetState() == State::Started) {
+        system.ReleaseBuffers();
+        system.RegisterBuffers();
    }
 }

 bool Out::FlushAudioOutBuffers() {
    std::scoped_lock l{parent_mutex};
-    return audio_system.FlushAudioOutBuffers();
+    return system.FlushAudioOutBuffers();
 }

 u32 Out::GetReleasedBuffers(std::span<u64> tags) {
    std::scoped_lock l{parent_mutex};
-    return audio_system.GetReleasedBuffers(tags);
+    return system.GetReleasedBuffers(tags);
 }

 Kernel::KReadableEvent& Out::GetBufferEvent() {
@@ -78,27 +74,27 @@ Kernel::KReadableEvent& Out::GetBufferEvent() {

 f32 Out::GetVolume() const {
    std::scoped_lock l{parent_mutex};
-    return audio_system.GetVolume();
+    return system.GetVolume();
 }

 void Out::SetVolume(const f32 volume) {
    std::scoped_lock l{parent_mutex};
-    audio_system.SetVolume(volume);
+    system.SetVolume(volume);
 }

 bool Out::ContainsAudioBuffer(const u64 tag) const {
    std::scoped_lock l{parent_mutex};
-    return audio_system.ContainsAudioBuffer(tag);
+    return system.ContainsAudioBuffer(tag);
 }

 u32 Out::GetBufferCount() const {
    std::scoped_lock l{parent_mutex};
-    return audio_system.GetBufferCount();
+    return system.GetBufferCount();
 }

 u64 Out::GetPlayedSampleCount() const {
    std::scoped_lock l{parent_mutex};
-    return audio_system.GetPlayedSampleCount();
+    return system.GetPlayedSampleCount();
 }

 } // namespace AudioCore::AudioOut
@@ -1,6 +1,3 @@
-// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
-// SPDX-License-Identifier: GPL-3.0-or-later
-
 // SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later

@@ -33,7 +30,7 @@ public:
    /**
     * Free this audio out from the audio out manager.
     */
-    void Free(Core::System& system);
+    void Free();

    /**
     * Get this audio out's system.
@@ -144,7 +141,7 @@ private:
    /// Buffer event, signalled when buffers are ready to be released
    Kernel::KEvent* event;
    /// Main audio out system
-    System audio_system;
+    System system;
 };

 } // namespace AudioCore::AudioOut
@@ -1,4 +1,4 @@
-// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
+// SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
 // SPDX-License-Identifier: GPL-3.0-or-later

 // SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
@@ -34,37 +34,42 @@ constexpr std::array output_device_names{
    AudioDevice::AudioDeviceName{"AudioExternalOutput"},
 };

-AudioDevice::AudioDevice(Core::System& system, const u64 applet_resource_user_id_, const u32 revision)
-    : applet_resource_user_id{applet_resource_user_id_}
-    , user_revision{revision}
-{}
+AudioDevice::AudioDevice(Core::System& system, const u64 applet_resource_user_id_,
+                         const u32 revision)
+    : output_sink{system.AudioCore().GetOutputSink()},
+      applet_resource_user_id{applet_resource_user_id_}, user_revision{revision} {}

 u32 AudioDevice::ListAudioDeviceName(std::span<AudioDeviceName> out_buffer) const {
    std::span<const AudioDeviceName> names{};
+
    if (CheckFeatureSupported(SupportTags::AudioUsbDeviceOutput, user_revision)) {
        names = usb_device_names;
    } else {
        names = device_names;
    }
-    const u32 out_count = u32((std::min)(out_buffer.size(), names.size()));
-    for (u32 i = 0; i < out_count; i++)
+
+    const u32 out_count{static_cast<u32>((std::min)(out_buffer.size(), names.size()))};
+    for (u32 i = 0; i < out_count; i++) {
        out_buffer[i] = names[i];
+    }
    return out_count;
 }

 u32 AudioDevice::ListAudioOutputDeviceName(std::span<AudioDeviceName> out_buffer) const {
-    const u32 out_count = u32((std::min)(out_buffer.size(), output_device_names.size()));
-    for (u32 i = 0; i < out_count; i++)
+    const u32 out_count{static_cast<u32>((std::min)(out_buffer.size(), output_device_names.size()))};
+
+    for (u32 i = 0; i < out_count; i++) {
        out_buffer[i] = output_device_names[i];
+    }
    return out_count;
 }

-void AudioDevice::SetDeviceVolumes(Core::System& system, const f32 volume) {
-    system.AudioCore().GetOutputSink().SetDeviceVolume(volume);
+void AudioDevice::SetDeviceVolumes(const f32 volume) {
+    output_sink.SetDeviceVolume(volume);
 }

-f32 AudioDevice::GetDeviceVolume(Core::System& system, [[maybe_unused]] std::string_view name) const {
-    return system.AudioCore().GetOutputSink().GetDeviceVolume();
+f32 AudioDevice::GetDeviceVolume([[maybe_unused]] std::string_view name) const {
+    return output_sink.GetDeviceVolume();
 }

 } // namespace AudioCore::Renderer
@@ -1,6 +1,3 @@
-// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
-// SPDX-License-Identifier: GPL-3.0-or-later
-
 // SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later

@@ -57,7 +54,7 @@ public:
     *
     * @param volume - Volume to set.
     */
-    void SetDeviceVolumes(Core::System& system, f32 volume);
+    void SetDeviceVolumes(f32 volume);

    /**
     * Get the volume for a given device name.
@@ -66,9 +63,11 @@ public:
     * @param name - Name of the device to check. Unused.
     * @return Volume of the device.
     */
-    f32 GetDeviceVolume(Core::System& system, std::string_view name) const;
+    f32 GetDeviceVolume(std::string_view name) const;

 private:
+    /// Backend output sink for the device
+    Sink::Sink& output_sink;
    /// Resource id this device is used for
    const u64 applet_resource_user_id;
    /// User audio renderer revision
@@ -1,6 +1,3 @@
-// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
-// SPDX-License-Identifier: GPL-3.0-or-later
-
 // SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later

@@ -16,46 +13,56 @@
 namespace AudioCore::Renderer {

 Renderer::Renderer(Core::System& system_, Manager& manager_, Kernel::KEvent* rendered_event)
-    : manager{manager_}
-    , audio_system{system_, rendered_event}
-{}
+    : core{system_}, manager{manager_}, system{system_, rendered_event} {}

-Result Renderer::Initialize(const AudioRendererParameterInternal& params, Kernel::KTransferMemory* transfer_memory, const u64 transfer_memory_size, Kernel::KProcess* process_handle, const u64 applet_resource_user_id, const s32 session_id) {
+Result Renderer::Initialize(const AudioRendererParameterInternal& params,
+                            Kernel::KTransferMemory* transfer_memory,
+                            const u64 transfer_memory_size, Kernel::KProcess* process_handle,
+                            const u64 applet_resource_user_id, const s32 session_id) {
    if (params.execution_mode == ExecutionMode::Auto) {
-        if (!manager.AddSystem(audio_system)) {
-            LOG_ERROR(Service_Audio, "Both Audio Render sessions are in use, cannot create any more");
+        if (!manager.AddSystem(system)) {
+            LOG_ERROR(Service_Audio,
+                      "Both Audio Render sessions are in use, cannot create any more");
            return Service::Audio::ResultOutOfSessions;
        }
        system_registered = true;
    }
-    audio_system.Initialize(params, transfer_memory, transfer_memory_size, process_handle, applet_resource_user_id, session_id);
+
+    initialized = true;
+    system.Initialize(params, transfer_memory, transfer_memory_size, process_handle,
+                      applet_resource_user_id, session_id);
+
    return ResultSuccess;
 }

 void Renderer::Finalize() {
-    auto const session_id{audio_system.GetSessionId()};
-    audio_system.Finalize();
+    auto session_id{system.GetSessionId()};
+
+    system.Finalize();
+
    if (system_registered) {
-        manager.RemoveSystem(audio_system);
+        manager.RemoveSystem(system);
        system_registered = false;
    }
+
    manager.ReleaseSessionId(session_id);
 }

 System& Renderer::GetSystem() {
-    return audio_system;
+    return system;
 }

 void Renderer::Start() {
-    audio_system.Start();
+    system.Start();
 }

 void Renderer::Stop() {
-    audio_system.Stop();
+    system.Stop();
 }

-Result Renderer::RequestUpdate(std::span<const u8> input, std::span<u8> performance, std::span<u8> output) {
-    return audio_system.Update(input, performance, output);
+Result Renderer::RequestUpdate(std::span<const u8> input, std::span<u8> performance,
+                               std::span<u8> output) {
+    return system.Update(input, performance, output);
 }

 } // namespace AudioCore::Renderer
@@ -1,6 +1,3 @@
-// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
-// SPDX-License-Identifier: GPL-3.0-or-later
-
 // SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later

@@ -86,12 +83,16 @@ public:
                         std::span<u8> output);

 private:
+    /// System core
+    Core::System& core;
    /// Manager this renderer is registered with
    Manager& manager;
+    /// Is the audio renderer initialized?
+    bool initialized{};
    /// Is the system registered with the manager?
    bool system_registered{};
    /// Audio render system, main driver of audio rendering
-    System audio_system;
+    System system;
 };

 } // namespace Renderer
@@ -100,9 +100,8 @@ u64 System::GetWorkBufferSize(const AudioRendererParameterInternal& params) {
 }

 System::System(Core::System& core_, Kernel::KEvent* adsp_rendered_event_)
-    : core{core_}
-    , adsp_rendered_event{adsp_rendered_event_}
-{}
+    : core{core_}, audio_renderer{core.AudioCore().ADSP().AudioRenderer()},
+      adsp_rendered_event{adsp_rendered_event_} {}

 Result System::Initialize(const AudioRendererParameterInternal& params,
                          Kernel::KTransferMemory* transfer_memory, u64 transfer_memory_size,
@@ -407,7 +406,7 @@ void System::Finalize() {
        return;
    }

-    if (IsActive()) {
+    if (active) {
        Stop();
    }

@@ -434,12 +433,14 @@ void System::Start() {
    std::scoped_lock l{lock};
    frames_elapsed = 0;
    state = State::Started;
+    active = true;
 }

 void System::Stop() {
    {
        std::scoped_lock l{lock};
        state = State::Stopped;
+        active = false;
    }

    if (execution_mode == ExecutionMode::Auto) {
@@ -479,7 +480,8 @@ Result System::Update(std::span<const u8> input, std::span<u8> performance, std:
        return result;
    }

-    result = info_updater.UpdateEffects(effect_context, IsActive(), memory_pool_workbuffer, memory_pool_count);
+    result = info_updater.UpdateEffects(effect_context, active, memory_pool_workbuffer,
+                                        memory_pool_count);
    if (result.IsError()) {
        LOG_ERROR(Service_Audio, "Failed to update Effects!");
        return result;
@@ -580,16 +582,16 @@ u32 System::GetRenderingDevice() const {
 }

 bool System::IsActive() const {
-    return state == State::Started;
+    return active;
 }

 void System::SendCommandToDsp() {
    std::scoped_lock l{lock};
-    auto& audio_renderer = core.AudioCore().ADSP().AudioRenderer();
+
    if (initialized) {
-        if (IsActive()) {
+        if (active) {
            terminate_event.Reset();
-            const auto remaining_command_count = audio_renderer.GetRemainCommandCount(session_id);
+            const auto remaining_command_count{audio_renderer.GetRemainCommandCount(session_id)};
            u64 command_size{0};

            if (remaining_command_count) {
@@ -736,7 +738,7 @@ u64 System::GenerateCommand(std::span<u8> in_command_buffer,
    const auto end_time{core.CoreTiming().GetGlobalTimeNs().count()};
    total_ticks_elapsed += end_time - start_time;
    num_command_lists_generated++;
-    render_start_tick = core.AudioCore().ADSP().AudioRenderer().GetRenderingStartTick(session_id);
+    render_start_tick = audio_renderer.GetRenderingStartTick(session_id);
    frames_elapsed++;

    return command_buffer.size;
@@ -1,6 +1,3 @@
-// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
-// SPDX-License-Identifier: GPL-3.0-or-later
-
 // SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later

@@ -222,8 +219,12 @@ public:
 private:
    /// Core system
    Core::System& core;
+    /// Reference to the ADSP's AudioRenderer for communication
+    ::AudioCore::ADSP::AudioRenderer::AudioRenderer& audio_renderer;
    /// Is this system initialized?
    bool initialized{};
+    /// Is this system currently active?
+    std::atomic<bool> active{};
    /// State of the system
    State state{State::Stopped};
    /// Sample rate for the system
@@ -1,4 +1,4 @@
-// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
+// SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
 // SPDX-License-Identifier: GPL-3.0-or-later

 // SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
@@ -16,22 +16,22 @@
 namespace AudioCore::Renderer {

 SystemManager::SystemManager(Core::System& core_)
-    : core{core_}
-{}
+    : core{core_}, audio_renderer{core.AudioCore().ADSP().AudioRenderer()} {}

 SystemManager::~SystemManager() {
    Stop();
 }

 void SystemManager::InitializeUnsafe() {
-    if (!thread.joinable()) {
-        core.AudioCore().ADSP().AudioRenderer().Start();
+    if (!active) {
+        active = true;
+        audio_renderer.Start();
        thread = std::jthread([this](std::stop_token stop_token) {
            Common::SetCurrentThreadName("AudioRenderSystemManager");
-            auto& audio_renderer = core.AudioCore().ADSP().AudioRenderer();
-            while (!stop_token.stop_requested()) {
+            Common::SetCurrentThreadPriority(Common::ThreadPriority::High);
+            while (active && !stop_token.stop_requested()) {
                {
-                    std::scoped_lock lk{mutex};
+                    std::scoped_lock l{mutex1};
                    for (auto system : systems)
                        system->SendCommandToDsp();
                }
@@ -43,31 +43,39 @@ void SystemManager::InitializeUnsafe() {
 }

 void SystemManager::Stop() {
-    if (thread.joinable()) {
+    if (active) {
+        active = false;
        thread.request_stop();
        thread.join();
-        core.AudioCore().ADSP().AudioRenderer().Stop();
+        audio_renderer.Stop();
    }
 }

 bool SystemManager::Add(System& system_) {
-    std::scoped_lock lk{mutex};
+    std::scoped_lock l2{mutex2};
    if (systems.size() + 1 > MaxRendererSessions) {
        LOG_ERROR(Service_Audio, "Maximum AudioRenderer Systems active, cannot add more!");
        return false;
    }
-    if (systems.empty())
-        InitializeUnsafe();
+    {
+        std::scoped_lock l{mutex1};
+        if (systems.empty())
+            InitializeUnsafe();
+    }
    systems.push_back(&system_);
    return true;
 }

 bool SystemManager::Remove(System& system_) {
-    std::scoped_lock lk{mutex};
-    if (systems.remove(&system_) == 0) {
-        LOG_ERROR(Service_Audio, "Failed to remove a render system, it was not found in the list!");
-        return false;
+    std::scoped_lock l2{mutex2};
+    {
+        std::scoped_lock l{mutex1};
+        if (systems.remove(&system_) == 0) {
+            LOG_ERROR(Service_Audio, "Failed to remove a render system, it was not found in the list!");
+            return false;
+        }
    }
+
    if (systems.empty())
        Stop();
    return true;
@@ -1,4 +1,4 @@
-// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
+// SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
 // SPDX-License-Identifier: GPL-3.0-or-later

 // SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
@@ -75,8 +75,14 @@ private:
    std::list<System*> systems{};
    /// Main worker thread for generating command lists
    std::jthread thread;
-    /// Mutex for the systems list
-    std::mutex mutex{};
+    /// Mutex for the systems
+    std::mutex mutex1{};
+    /// Mutex for adding/removing systems
+    std::mutex mutex2{};
+    /// Is the system manager thread active?
+    std::atomic<bool> active{};
+    /// Reference to the ADSP's AudioRenderer for communication
+    ::AudioCore::ADSP::AudioRenderer::AudioRenderer& audio_renderer;
 };

 } // namespace AudioCore::Renderer
@@ -110,6 +110,7 @@ add_library(
    socket_types.h
    sparse_large_vector.cpp
    sparse_large_vector.h
+    spin_lock.h
    stb.cpp
    stb.h
    steady_clock.cpp
@@ -244,8 +244,7 @@ WallClock::WallClock(bool invariant_, u64 rdtsc_frequency_) noexcept
    , ns_rdtsc_factor{invariant_ ? GetFixedPoint64Factor(NsRatio::den, rdtsc_frequency_) : 0}
    , us_rdtsc_factor{invariant_ ? GetFixedPoint64Factor(UsRatio::den, rdtsc_frequency_) : 0}
    , ms_rdtsc_factor{invariant_ ? GetFixedPoint64Factor(MsRatio::den, rdtsc_frequency_) : 0}
-    , rdtsc_ns_integer{invariant_ ? rdtsc_frequency_ / NsRatio::den : 1}
-    , rdtsc_ns_factor{invariant_ ? GetFixedPoint64Factor(rdtsc_frequency_ % NsRatio::den, NsRatio::den) : 0}
+    , rdtsc_ns_factor{invariant_ ? GetFixedPoint64Factor(rdtsc_frequency_, NsRatio::den) : 1}
    , cntpct_rdtsc_factor{invariant_ ? GetFixedPoint64Factor(CNTFRQ, rdtsc_frequency_) : 0}
    , gputick_rdtsc_factor{invariant_ ? GetFixedPoint64Factor(GPUTickFreq, rdtsc_frequency_) : 0}
    , invariant{invariant_}
@@ -292,7 +291,7 @@ bool WallClock::IsNative() const {
 }

 u64 WallClock::NsToTicks(std::chrono::nanoseconds ns) const {
-    return ns.count() * rdtsc_ns_integer + MultiplyHigh(ns.count(), rdtsc_ns_factor);
+    return invariant ? MultiplyHigh(ns.count(), rdtsc_ns_factor) : ns.count();
 }
 #elif defined(HAS_NCE)
 namespace {
@@ -417,7 +416,7 @@ u64 WallClock::NsToTicks(std::chrono::nanoseconds ns) const {
 const WallClock g_wall_clock = [] {
 #if defined(ARCHITECTURE_x86_64)
    auto const& caps = Common::g_cpu_caps;
-    return WallClock(caps.invariant_tsc && caps.tsc_frequency > std::nano::den, caps.tsc_frequency);
+    return WallClock(caps.invariant_tsc && caps.tsc_frequency >= std::nano::den, caps.tsc_frequency);
 #elif defined(HAS_NCE)
    return WallClock(false, 1);
 #else
@@ -96,7 +96,6 @@ public:
    u64 ns_rdtsc_factor;
    u64 us_rdtsc_factor;
    u64 ms_rdtsc_factor;
-    u64 rdtsc_ns_integer;
    u64 rdtsc_ns_factor;
    u64 cntpct_rdtsc_factor;
    u64 gputick_rdtsc_factor;
@@ -17,33 +17,35 @@

 namespace Common {

-// glibc, mlibc, musl, and newlib all define their own variants of strerror_r
-// We don't need to use the preprocessor, we can just select depending on return type
-template<typename T> std::string HandleStrerrorR(T r, char *err_str);
-template<> std::string HandleStrerrorR(char* r, char *) { return std::string{r}; }
-template<> std::string HandleStrerrorR(const char* r, char *) { return std::string{r}; }
-template<> std::string HandleStrerrorR(int r, char *err_str) {
-    return std::string{r != 0
-        ? "(strerror_r failed to format error)"
-        : err_str};
-}
-
 std::string NativeErrorToString(int e) {
 #ifdef _WIN32
    LPSTR err_str;
+
    DWORD res = FormatMessageA(FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_ALLOCATE_BUFFER |
                                   FORMAT_MESSAGE_IGNORE_INSERTS,
                               nullptr, e, MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
-                               LPSTR(&err_str), 1, nullptr);
-    if (res) {
-        std::string ret(err_str);
-        LocalFree(err_str);
-        return ret;
+                               reinterpret_cast<LPSTR>(&err_str), 1, nullptr);
+    if (!res) {
+        return "(FormatMessageA failed to format error)";
    }
-    return "(FormatMessageA failed to format error)";
+    std::string ret(err_str);
+    LocalFree(err_str);
+    return ret;
 #else
    char err_str[255];
-    return HandleStrerrorR(strerror_r(e, err_str, sizeof(err_str)), err_str);
+#if defined(__ANDROID__) ||                                                                            \
+    (defined(__GLIBC__) && (_GNU_SOURCE || (_POSIX_C_SOURCE < 200112L && _XOPEN_SOURCE < 600)))
+    // Thread safe (GNU-specific)
+    const char* str = strerror_r(e, err_str, sizeof(err_str));
+    return std::string(str);
+#else
+    // Thread safe (XSI-compliant)
+    int second_err = strerror_r(e, err_str, sizeof(err_str));
+    if (second_err != 0) {
+        return "(strerror_r failed to format error)";
+    }
+    return std::string(err_str);
+#endif // GLIBC etc.
 #endif // _WIN32
 }

@@ -5,7 +5,6 @@
 // SPDX-License-Identifier: GPL-2.0-or-later

 #include <algorithm>
-#include <cctype>
 #include <iostream>
 #include <sstream>
 #include "common/container/unordered_map.h"
@@ -481,80 +480,28 @@ std::string SanitizePath(std::string_view path_, DirectorySeparator directory_se
                           [type2](char c1, char c2) { return c1 == type2 && c2 == type2; }),
               path.end());

-    std::string root;
-    std::string_view components{path};
-    bool drive_relative = false;
-
-#ifdef _WIN32
-    const bool network = path.size() > 1 && path[0] == type2 && path[1] == type2;
-    const bool drive =
-        path.size() > 1 && std::isalpha(static_cast<unsigned char>(path[0])) && path[1] == ':';
-
-    if (network) {
-        root.assign(2, type2);
-        components.remove_prefix(2);
-    } else if (drive) {
-        root.assign(path.data(), 2);
-        components.remove_prefix(2);
-        if (!components.empty() && components.front() == type2) {
-            root += type2;
-            components.remove_prefix(1);
-        } else {
-            drive_relative = true;
-        }
-    }
-#endif
-
-    if (root.empty() && !components.empty() && components.front() == type2) {
-        root += type2;
-        components.remove_prefix(1);
-    }
-
-    const auto path_parts = SplitPathComponents(components);
-    std::size_t root_component_count = 0;
-#ifdef _WIN32
-    if (network) {
-        root_component_count = 2;
-
-        const auto is_unc = [](std::string_view part) {
-            return part.size() == 3 && (part[0] == 'U' || part[0] == 'u') &&
-                   (part[1] == 'N' || part[1] == 'n') && (part[2] == 'C' || part[2] == 'c');
-        };
-        if (path_parts.size() >= 2 && path_parts[0] == "?" && is_unc(path_parts[1])) {
-            root_component_count = 4;
-        }
-    }
-#endif
-
+    const bool absolute = !path.empty() && path[0] == type2;
    std::vector<std::string_view> parts;
-    for (std::size_t i = 0; i < path_parts.size(); ++i) {
-        const auto part = path_parts[i];
-        if (i < root_component_count) {
-            parts.push_back(part);
-        } else if (part.empty() || part == ".") {
+
+    for (const auto part : SplitPathComponents(path))
+    {
+        if (part.empty() || part == ".")
            continue;
-        } else if (part == "..") {
-            if (parts.size() > root_component_count) {
-                parts.pop_back();
-            }
-        } else {
-            parts.push_back(part);
-        }
+        if (part == ".." && !parts.empty() && parts.back() != "..")
+            parts.pop_back();
+        else if (part != "..") parts.push_back(part);
    }

-    const std::size_t root_length = root.size();
-    std::string resolved = std::move(root);
-    for (std::size_t i = 0; i < parts.size(); ++i) {
-        if (i != 0 || (!resolved.empty() && resolved.back() != type2 && !drive_relative))
+    std::string resolved = absolute ? std::string(1, type2) : std::string{};
+    for (std::size_t i = 0; i < parts.size(); ++i)
+    {
+        if (i != 0)
            resolved += type2;
        resolved.append(parts[i].data(), parts[i].size());
    }

    path = std::move(resolved);

-    if (!path.empty() && path.size() == root_length) {
-        return path;
-    }
    return std::string(RemoveTrailingSlash(path));
 }

@@ -347,9 +347,8 @@ enum class DirectorySeparator {
 // i.e. "C:\Users\Yuzu\Documents\save.bin" becomes {"C:", "Users", "Yuzu", "Documents", "save.bin" }
 [[nodiscard]] std::vector<std::string> SplitPathComponentsCopy(std::string_view filename);

-// Normalizes directory separators, removes duplicate and non-root trailing separators, and resolves
-// '.' and '..' components without traversing above the path root. Windows drive and UNC roots are
-// preserved.
+// Removes trailing slash, makes all '\\' into '/', and removes duplicate '/'. Makes '/' into '\\'
+// depending if directory_separator is BackwardSlash or PlatformDefault and running on windows
 [[nodiscard]] std::string SanitizePath(
    std::string_view path,
    DirectorySeparator directory_separator = DirectorySeparator::ForwardSlash);
@@ -4,34 +4,17 @@
 // SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later

-#include <fstream>
 #include "common/heap_tracker.h"
 #include "common/logging.h"
+#include "common/memory_detect.h"
 #include "common/assert.h"

 namespace Common {

-namespace {
-
-s64 GetMaxPermissibleResidentMapCount() {
-    // Default value.
-    s64 value = 65530;
-
-    // Try to read how many mappings we can make.
-    std::ifstream s("/proc/sys/vm/max_map_count");
-    s >> value;
-
-    // Print, for debug.
-    LOG_INFO(HW_Memory, "Current maximum map count: {}", value);
-
-    // Allow 20000 maps for other code and to account for split inaccuracy.
-    return std::max<s64>(value - 20000, 0);
-}
-
-} // namespace
-
 HeapTracker::HeapTracker(Common::HostMemory& buffer)
-    : m_buffer(buffer), m_max_resident_map_count(GetMaxPermissibleResidentMapCount()) {}
+    : m_buffer(buffer),
+      m_has_hardware_buffer_backing(!buffer.BackingHardwareBuffers().empty()),
+      m_max_resident_map_count(static_cast<s64>(GetPermissibleMapCount())) {}
 HeapTracker::~HeapTracker() = default;

 void HeapTracker::Map(size_t virtual_offset, size_t host_offset, size_t length,
@@ -85,7 +68,8 @@ void HeapTracker::Unmap(size_t virtual_offset, size_t size, bool is_separate_hea

            // If resident, erase from resident map.
            if (item->is_resident) {
-                ASSERT(--m_resident_map_count >= 0);
+                m_resident_map_count -= this->HostMapCount(item->paddr, item->size);
+                ASSERT(m_resident_map_count >= 0);
                m_resident_mappings.erase(m_resident_mappings.iterator_to(*item));
            }

@@ -191,7 +175,7 @@ bool HeapTracker::DeferredMapSeparateHeap(size_t virtual_offset) {

        // This map is now resident.
        it->is_resident = true;
-        m_resident_map_count++;
+        m_resident_map_count += this->HostMapCount(it->paddr, it->size);
        m_resident_mappings.insert(*it);
    }

@@ -213,17 +197,17 @@ void HeapTracker::RebuildSeparateHeapAddressSpace() {
    // Despite being worse in theory, this has proven to be better in practice than more
    // regularly dumping a smaller amount, because it significantly reduces average case
    // lock contention.
-    std::size_t const desired_count = (std::min)(m_resident_map_count, m_max_resident_map_count) / 2;
-    std::size_t const evict_count = m_resident_map_count - desired_count;
+    s64 const desired_count = (std::min)(m_resident_map_count, m_max_resident_map_count) / 2;
    auto it = m_resident_mappings.begin();

-    for (size_t i = 0; i < evict_count && it != m_resident_mappings.end(); i++) {
+    while (m_resident_map_count > desired_count && it != m_resident_mappings.end()) {
        // Unmark and unmap.
        it->is_resident = false;
        m_buffer.Unmap(it->vaddr, it->size, false);

        // Advance.
-        ASSERT(--m_resident_map_count >= 0);
+        m_resident_map_count -= this->HostMapCount(it->paddr, it->size);
+        ASSERT(m_resident_map_count >= 0);
        it = m_resident_mappings.erase(it);
    }
 }
@@ -245,6 +229,7 @@ void HeapTracker::SplitHeapMapLocked(VAddr offset) {
    // Cache the original values.
    auto* const left = std::addressof(*it);
    const size_t orig_size = left->size;
+    const s64 orig_host_map_count = this->HostMapCount(left->paddr, orig_size);

    // Adjust the left map.
    const size_t left_size = offset - left->vaddr;
@@ -266,11 +251,20 @@ void HeapTracker::SplitHeapMapLocked(VAddr offset) {

    // If resident, also insert into resident map.
    if (right->is_resident) {
-        m_resident_map_count++;
+        m_resident_map_count += this->HostMapCount(left->paddr, left->size) +
+                                this->HostMapCount(right->paddr, right->size) -
+                                orig_host_map_count;
        m_resident_mappings.insert(*right);
    }
 }

+s64 HeapTracker::HostMapCount(PAddr paddr, size_t size) const {
+    if (!m_has_hardware_buffer_backing) {
+        return size != 0 ? 1 : 0;
+    }
+    return static_cast<s64>(m_buffer.BackingMapCount(paddr, size));
+}
+
 HeapTracker::AddrTree::iterator HeapTracker::GetNearestHeapMapLocked(VAddr offset) {
    const SeparateHeapMap key{
        .vaddr = offset,
@@ -1,3 +1,6 @@
+// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
 // SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later

@@ -82,10 +85,13 @@ private:

    AddrTree::iterator GetNearestHeapMapLocked(VAddr offset);

+    s64 HostMapCount(PAddr paddr, size_t size) const;
+
    void RebuildSeparateHeapAddressSpace();

 private:
    Common::HostMemory& m_buffer;
+    const bool m_has_hardware_buffer_backing;
    const s64 m_max_resident_map_count;

    std::shared_mutex m_rebuild_lock{};
@@ -51,14 +51,65 @@

 #endif // ^^^ POSIX ^^^

+#include <atomic>
 #include <mutex>
 #include <random>
+#include <vector>

 #include "common/alignment.h"
 #include "common/assert.h"
 #include "common/free_region_manager.h"
 #include "common/host_memory.h"
 #include "common/logging.h"
+#include "common/memory_detect.h"
+#include "common/settings.h"
+
+#ifdef __ANDROID__
+#include <cerrno>
+#include <dlfcn.h>
+#include <sys/ioctl.h>
+#include <android/hardware_buffer.h>
+
+namespace {
+
+struct NativeHandle {
+    int version;
+    int numFds;
+    int numInts;
+    int data[1];
+};
+
+using PFN_AHardwareBuffer_getNativeHandle = const NativeHandle* (*)(const AHardwareBuffer*);
+
+PFN_AHardwareBuffer_getNativeHandle ResolveGetNativeHandle() {
+    void* const lib = dlopen("libnativewindow.so", RTLD_NOW);
+    if (lib == nullptr) {
+        return nullptr;
+    }
+    return reinterpret_cast<PFN_AHardwareBuffer_getNativeHandle>(
+        dlsym(lib, "AHardwareBuffer_getNativeHandle"));
+}
+
+struct DmaBufSync {
+    u64 flags;
+};
+
+constexpr u64 DmaBufSyncRead = 1ULL << 0;
+constexpr u64 DmaBufSyncWrite = 1ULL << 1;
+constexpr u64 DmaBufSyncStart = 0ULL << 2;
+constexpr u64 DmaBufSyncEnd = 1ULL << 2;
+
+void SyncDmaBufCpuAccess(int fd, u64 phase) {
+    DmaBufSync sync{.flags = phase | DmaBufSyncRead | DmaBufSyncWrite};
+    while (ioctl(fd, _IOW('b', 0, DmaBufSync), &sync) != 0) {
+        if (errno != EINTR) {
+            return;
+        }
+    }
+}
+
+} // namespace
+#endif

 #if defined(__ANDROID__) && __ANDROID_API__ < 30
 #include <sys/syscall.h>
@@ -75,6 +126,12 @@ namespace Common {
 [[maybe_unused]] constexpr size_t PageAlignment = 0x1000;
 [[maybe_unused]] constexpr size_t HugePageSize = 0x200000;

+static std::atomic<u64> committed_backing_size{};
+
+u64 GetCommittedBackingSize() noexcept {
+    return committed_backing_size.load(std::memory_order_relaxed);
+}
+
 #ifdef _WIN32

 // Manually imported for MinGW compatibility
@@ -122,7 +179,7 @@ static void GetFuncAddress(Common::DynamicLibrary& dll, const char* name, T& pfn

 class HostMemory::Impl {
 public:
-    explicit Impl(size_t backing_size_, size_t virtual_size_)
+    explicit Impl(size_t backing_size_, size_t virtual_size_, size_t)
        : backing_size{backing_size_}
        , virtual_size{virtual_size_}
        , process{GetCurrentProcess()}
@@ -236,6 +293,10 @@ public:
        UNREACHABLE();
    }

+    bool IsBackingShared() const noexcept {
+        return true;
+    }
+
    const size_t backing_size; ///< Size of the backing memory in bytes
    const size_t virtual_size; ///< Size of the virtual address placeholder in bytes

@@ -512,9 +573,10 @@ static int shm_open_anon(int flags, mode_t mode) {

 class HostMemory::Impl {
 public:
-    explicit Impl(size_t backing_size_, size_t virtual_size_)
+    explicit Impl(size_t backing_size_, size_t virtual_size_, size_t preferred_offset_)
        : backing_size{backing_size_}
        , virtual_size{virtual_size_}
+        , preferred_offset{preferred_offset_}
    {}

    bool Init() {
@@ -554,10 +616,15 @@ public:
            LOG_WARNING(Common_Memory, "Using private mappings instead of shared ones");
            backing_base = static_cast<u8*>(mmap(nullptr, backing_size, PROT_READ | PROT_WRITE, MAP_ANONYMOUS | MAP_PRIVATE | MAP_NOCORE, -1, 0));
            if (fd > 0) {
-                fd = -1;
                close(fd);
            }
+            fd = -1;
        } else {
+#ifdef __ANDROID__
+            if (InitAhbBacking()) {
+                return InitVirtual();
+            }
+#endif
            backing_base = static_cast<u8*>(mmap(nullptr, backing_size, PROT_READ | PROT_WRITE, MAP_SHARED | MAP_NOCORE, fd, 0));
        }
        if (backing_base == MAP_FAILED) {
@@ -565,7 +632,10 @@ public:
            return false;
        }

-        // Virtual memory initialization
+        return InitVirtual();
+    }
+
+    bool InitVirtual() {
        virtual_base = virtual_map_base = static_cast<u8*>(ChooseVirtualBase(virtual_size));
        if (virtual_base == MAP_FAILED) {
            LOG_CRITICAL(HW_Memory, "mmap failed: {}", strerror(errno));
@@ -578,6 +648,244 @@ public:
        return true;
    }

+#ifdef __ANDROID__
+    static AHardwareBuffer_Desc MakeBlobDesc(size_t len) {
+        return AHardwareBuffer_Desc{
+            .width = static_cast<u32>(len),
+            .height = 1,
+            .layers = 1,
+            .format = AHARDWAREBUFFER_FORMAT_BLOB,
+            .usage = AHARDWAREBUFFER_USAGE_CPU_READ_OFTEN |
+                     AHARDWAREBUFFER_USAGE_CPU_WRITE_OFTEN |
+                     AHARDWAREBUFFER_USAGE_GPU_DATA_BUFFER,
+            .stride = 0,
+            .rfu0 = 0,
+            .rfu1 = 0,
+        };
+    }
+
+    static bool ProbeAhbBacking(PFN_AHardwareBuffer_getNativeHandle get_native_handle) {
+        const AHardwareBuffer_Desc desc = MakeBlobDesc(PageAlignment * 2);
+        AHardwareBuffer* buffer{};
+        if (AHardwareBuffer_allocate(&desc, &buffer) != 0 || buffer == nullptr) {
+            return false;
+        }
+        const NativeHandle* const handle = get_native_handle(buffer);
+        if (handle == nullptr || handle->numFds < 1) {
+            AHardwareBuffer_release(buffer);
+            return false;
+        }
+        const int probe_fd = handle->data[0];
+        bool ok = true;
+        const auto try_map = [&](int prot, off_t offset) {
+            if (!ok) {
+                return;
+            }
+            void* const ptr = mmap(nullptr, PageAlignment, prot, MAP_SHARED, probe_fd, offset);
+            if (ptr == MAP_FAILED) {
+                ok = false;
+                return;
+            }
+            munmap(ptr, PageAlignment);
+        };
+        try_map(PROT_READ | PROT_WRITE, 0);
+        try_map(PROT_READ | PROT_WRITE, static_cast<off_t>(PageAlignment));
+#ifdef ARCHITECTURE_arm64
+        try_map(PROT_READ | PROT_EXEC, 0);
+#endif
+        AHardwareBuffer_release(buffer);
+        return ok;
+    }
+
+    size_t ComputeAhbBudget(size_t window_size) const {
+        const u64 total_physical = Common::GetMemInfo().TotalPhysicalMemory;
+        constexpr u64 BaselineFootprint = 6ULL << 30;
+        if (total_physical <= BaselineFootprint) {
+            return 0;
+        }
+        const u64 permissible_maps = Common::GetPermissibleMapCount();
+        if (permissible_maps == 0) {
+            return 0;
+        }
+        u64 budget = (total_physical - BaselineFootprint) / 2;
+        constexpr u64 MapSlotsPerWindow = 64;
+        const u64 affordable_windows = permissible_maps / MapSlotsPerWindow;
+        budget = (std::min)(budget, affordable_windows * window_size);
+        const u64 available = Common::GetAvailablePhysicalMemory();
+        if (available != 0) {
+            budget = (std::min)(budget, available / 2);
+        }
+        budget = (std::min)(budget, static_cast<u64>(backing_size));
+        budget = Common::AlignDown(budget, window_size);
+        constexpr u64 MinimumBudget = 256ULL << 20;
+        if (budget < MinimumBudget) {
+            return 0;
+        }
+        return static_cast<size_t>(budget);
+    }
+
+    bool InitAhbBacking() {
+        if (!Settings::values.use_unified_memory.GetValue()) {
+            return false;
+        }
+        static const PFN_AHardwareBuffer_getNativeHandle get_native_handle =
+            ResolveGetNativeHandle();
+        if (get_native_handle == nullptr) {
+            return false;
+        }
+        constexpr size_t window_size = 256ULL << 20;
+        const size_t budget = ComputeAhbBudget(window_size);
+        if (budget == 0) {
+            return false;
+        }
+        if (!ProbeAhbBacking(get_native_handle)) {
+            return false;
+        }
+        const size_t aligned_backing = Common::AlignDown(backing_size, window_size);
+        const size_t max_windows = (std::min)(budget, aligned_backing) / window_size;
+
+        std::vector<AHardwareBuffer*> buffers;
+        std::vector<int> buffer_fds;
+        const auto cleanup = [&] {
+            for (AHardwareBuffer* buffer : buffers) {
+                AHardwareBuffer_release(buffer);
+            }
+            buffers.clear();
+            buffer_fds.clear();
+        };
+        for (size_t i = 0; i < max_windows; ++i) {
+            const AHardwareBuffer_Desc desc = MakeBlobDesc(window_size);
+            AHardwareBuffer* buffer{};
+            if (AHardwareBuffer_allocate(&desc, &buffer) != 0 || buffer == nullptr) {
+                break;
+            }
+            const NativeHandle* const handle = get_native_handle(buffer);
+            if (handle == nullptr || handle->numFds < 1) {
+                AHardwareBuffer_release(buffer);
+                break;
+            }
+            const int buffer_fd = handle->data[0];
+            const off_t buffer_len = lseek(buffer_fd, 0, SEEK_END);
+            if (buffer_len < static_cast<off_t>(window_size)) {
+                AHardwareBuffer_release(buffer);
+                break;
+            }
+            buffers.push_back(buffer);
+            buffer_fds.push_back(buffer_fd);
+        }
+        const size_t num_windows = buffers.size();
+        if (num_windows == 0) {
+            return false;
+        }
+        const size_t region_size = num_windows * window_size;
+        const size_t region_base = Common::AlignDown(
+            (std::min)(preferred_offset, aligned_backing - region_size), window_size);
+        u8* const base = static_cast<u8*>(mmap(nullptr, backing_size, PROT_NONE,
+                                               MAP_PRIVATE | MAP_ANONYMOUS | MAP_NORESERVE, -1, 0));
+        if (base == MAP_FAILED) {
+            cleanup();
+            return false;
+        }
+        const auto map_over_reservation = [&](size_t offset, size_t len, int map_fd,
+                                              off_t map_offset) {
+            if (len == 0) {
+                return true;
+            }
+            if (mmap(base + offset, len, PROT_READ | PROT_WRITE, MAP_SHARED | MAP_FIXED, map_fd,
+                     map_offset) == MAP_FAILED) {
+                munmap(base, backing_size);
+                cleanup();
+                return false;
+            }
+            return true;
+        };
+        if (!map_over_reservation(0, region_base, fd, 0)) {
+            return false;
+        }
+        for (size_t i = 0; i < num_windows; ++i) {
+            if (!map_over_reservation(region_base + i * window_size, window_size, buffer_fds[i],
+                                      0)) {
+                return false;
+            }
+        }
+        const size_t tail_offset = region_base + region_size;
+        if (!map_over_reservation(tail_offset, backing_size - tail_offset, fd,
+                                  static_cast<off_t>(tail_offset))) {
+            return false;
+        }
+        backing_base = base;
+        ahb_windows = std::move(buffers);
+        ahb_fds = std::move(buffer_fds);
+        ahb_window_size = window_size;
+        ahb_base = region_base;
+        ahb_bytes = region_size;
+        committed_backing_size.store(region_size, std::memory_order_relaxed);
+        for (const int window_fd : ahb_fds) {
+            SyncDmaBufCpuAccess(window_fd, DmaBufSyncStart);
+        }
+        return true;
+    }
+
+    void MapBackingRange(size_t virtual_offset, size_t host_offset, size_t length, int prot_flags) {
+        while (length > 0) {
+            int map_fd = fd;
+            off_t map_offset = static_cast<off_t>(host_offset);
+            size_t chunk = length;
+            if (host_offset < ahb_base) {
+                chunk = (std::min)(chunk, ahb_base - host_offset);
+            } else if (host_offset < ahb_base + ahb_bytes) {
+                const size_t relative = host_offset - ahb_base;
+                const size_t window = relative / ahb_window_size;
+                const size_t local = relative % ahb_window_size;
+                map_fd = ahb_fds[window];
+                map_offset = static_cast<off_t>(local);
+                chunk = (std::min)(chunk, ahb_window_size - local);
+            }
+            void* const ret = mmap(virtual_base + virtual_offset, chunk, prot_flags,
+                                   MAP_SHARED | MAP_FIXED, map_fd, map_offset);
+            ASSERT_MSG(ret != MAP_FAILED, "mmap: {}", strerror(errno));
+            virtual_offset += chunk;
+            host_offset += chunk;
+            length -= chunk;
+        }
+    }
+
+    size_t BackingMapCount(size_t host_offset, size_t length) const noexcept {
+        if (length == 0) {
+            return 0;
+        }
+        if (ahb_bytes == 0) {
+            return 1;
+        }
+        size_t count = 0;
+        while (length > 0) {
+            size_t chunk = length;
+            if (host_offset < ahb_base) {
+                chunk = (std::min)(chunk, ahb_base - host_offset);
+            } else if (host_offset < ahb_base + ahb_bytes) {
+                const size_t local = (host_offset - ahb_base) % ahb_window_size;
+                chunk = (std::min)(chunk, ahb_window_size - local);
+            }
+            host_offset += chunk;
+            length -= chunk;
+            ++count;
+        }
+        return count;
+    }
+
+    std::span<AHardwareBuffer* const> AhbWindows() const noexcept {
+        return ahb_windows;
+    }
+
+    size_t AhbWindowSize() const noexcept {
+        return ahb_bytes != 0 ? ahb_window_size : 0;
+    }
+
+    size_t AhbBase() const noexcept {
+        return ahb_base;
+    }
+#endif
+
    ~Impl() {
        Release();
    }
@@ -606,6 +914,12 @@ public:
 #ifdef ARCHITECTURE_arm64
        if (True(perms & MemoryPermission::Execute))
            prot_flags |= PROT_EXEC;
+#endif
+#ifdef __ANDROID__
+        if (ahb_bytes != 0) {
+            MapBackingRange(virtual_offset, host_offset, length, prot_flags);
+            return;
+        }
 #endif
        int flags = (fd >= 0 ? MAP_SHARED : MAP_PRIVATE) | MAP_FIXED;
        void* ret = mmap(virtual_base + virtual_offset, length, prot_flags, flags, fd, host_offset);
@@ -651,8 +965,18 @@ public:
        virtual_base = nullptr;
    }

+    bool IsBackingShared() const noexcept {
+#ifdef __ANDROID__
+        if (ahb_bytes != 0) {
+            return true;
+        }
+#endif
+        return fd >= 0;
+    }
+
    const size_t backing_size; ///< Size of the backing memory in bytes
    const size_t virtual_size; ///< Size of the virtual address placeholder in bytes
+    const size_t preferred_offset;

    u8* backing_base{reinterpret_cast<u8*>(MAP_FAILED)};
    u8* virtual_base{reinterpret_cast<u8*>(MAP_FAILED)};
@@ -675,6 +999,21 @@ private:
            int ret = close(fd);
            ASSERT_MSG(ret == 0, "close failed: {}", strerror(errno));
        }
+
+#ifdef __ANDROID__
+        for (const int window_fd : ahb_fds) {
+            SyncDmaBufCpuAccess(window_fd, DmaBufSyncEnd);
+        }
+        for (AHardwareBuffer* buffer : ahb_windows) {
+            AHardwareBuffer_release(buffer);
+        }
+        ahb_windows.clear();
+        ahb_fds.clear();
+        if (ahb_bytes != 0) {
+            committed_backing_size.store(0, std::memory_order_relaxed);
+            ahb_bytes = 0;
+        }
+#endif
    }

    void AdjustMap(size_t* virtual_offset, size_t* length) {
@@ -700,11 +1039,19 @@ private:

    int fd{-1}; // memfd file descriptor, -1 is the error value of memfd_create
    FreeRegionManager free_manager{};
+
+#ifdef __ANDROID__
+    std::vector<AHardwareBuffer*> ahb_windows;
+    std::vector<int> ahb_fds;
+    size_t ahb_window_size{};
+    size_t ahb_base{};
+    size_t ahb_bytes{};
+#endif
 };

 #endif // ^^^ POSIX ^^^

-HostMemory::HostMemory(size_t backing_size_, size_t virtual_size_)
+HostMemory::HostMemory(size_t backing_size_, size_t virtual_size_, size_t preferred_offset_)
    : backing_size(backing_size_)
    , virtual_size(virtual_size_)
 {
@@ -714,7 +1061,7 @@ HostMemory::HostMemory(size_t backing_size_, size_t virtual_size_)
    virtual_base = nullptr;
 #else
    // Try to allocate a fastmem arena.
-    impl = std::make_unique<HostMemory::Impl>(AlignUp(backing_size, PageAlignment), AlignUp(virtual_size, PageAlignment) + HugePageSize);
+    impl = std::make_unique<HostMemory::Impl>(AlignUp(backing_size, PageAlignment), AlignUp(virtual_size, PageAlignment) + HugePageSize, preferred_offset_);
    if (impl->Init()) {
        backing_base = impl->backing_base;
        virtual_base = impl->virtual_base;
@@ -794,6 +1141,46 @@ void HostMemory::ClearBackingRegion(size_t physical_offset, size_t length, u32 f
    std::memset(backing_base + physical_offset, fill_value, length);
 }

+std::span<AHardwareBuffer* const> HostMemory::BackingHardwareBuffers() const noexcept {
+#ifdef __ANDROID__
+    return impl ? impl->AhbWindows() : std::span<AHardwareBuffer* const>{};
+#else
+    return {};
+#endif
+}
+
+size_t HostMemory::BackingMapCount(size_t host_offset, size_t length) const noexcept {
+#ifdef __ANDROID__
+    return impl ? impl->BackingMapCount(host_offset, length) : (length != 0 ? 1 : 0);
+#else
+    return length != 0 ? 1 : 0;
+#endif
+}
+
+size_t HostMemory::BackingHardwareBufferWindowSize() const noexcept {
+#ifdef __ANDROID__
+    return impl ? impl->AhbWindowSize() : 0;
+#else
+    return 0;
+#endif
+}
+
+bool HostMemory::IsBackingShared() const noexcept {
+#if defined(__OPENORBIS__) || defined(__managarm__)
+    return false;
+#else
+    return impl && impl->IsBackingShared();
+#endif
+}
+
+size_t HostMemory::BackingHardwareBufferBase() const noexcept {
+#ifdef __ANDROID__
+    return impl ? impl->AhbBase() : 0;
+#else
+    return 0;
+#endif
+}
+
 void HostMemory::EnableDirectMappedAddress() {
 #if !(defined(__OPENORBIS__) || defined(__managarm__))
    if (impl) {
@@ -8,11 +8,16 @@

 #include <memory>
 #include <optional>
+#include <span>
 #include "common/common_funcs.h"
 #include "common/common_types.h"

+struct AHardwareBuffer;
+
 namespace Common {

+[[nodiscard]] u64 GetCommittedBackingSize() noexcept;
+
 enum class MemoryPermission : u32 {
    Read = 1 << 0,
    Write = 1 << 1,
@@ -27,7 +32,7 @@ DECLARE_ENUM_FLAG_OPERATORS(MemoryPermission)
 */
 class HostMemory {
 public:
-    explicit HostMemory(size_t backing_size_, size_t virtual_size_);
+    explicit HostMemory(size_t backing_size_, size_t virtual_size_, size_t preferred_offset_ = 0);
    ~HostMemory();

    /**
@@ -61,6 +66,20 @@ public:
        return backing_base;
    }

+    [[nodiscard]] size_t BackingSize() const noexcept {
+        return backing_size;
+    }
+
+    [[nodiscard]] size_t BackingMapCount(size_t host_offset, size_t length) const noexcept;
+
+    [[nodiscard]] std::span<AHardwareBuffer* const> BackingHardwareBuffers() const noexcept;
+
+    [[nodiscard]] size_t BackingHardwareBufferWindowSize() const noexcept;
+
+    [[nodiscard]] size_t BackingHardwareBufferBase() const noexcept;
+
+    [[nodiscard]] bool IsBackingShared() const noexcept;
+
    [[nodiscard]] u8* VirtualBasePointer() noexcept {
        return virtual_base;
    }
@@ -1,3 +1,6 @@
+// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
 // SPDX-FileCopyrightText: Copyright 2020 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later

@@ -17,6 +20,10 @@
 #endif
 #endif

+#include <cstdio>
+#include <cstdlib>
+#include <cstring>
+
 #include "common/memory_detect.h"

 namespace Common {
@@ -69,4 +76,61 @@ const MemoryInfo& GetMemInfo() {
    return mem_info;
 }

+u64 GetPermissibleMapCount() {
+    constexpr u64 DefaultMapCount = 65530;
+    constexpr u64 ReservedMaps = 20000;
+    u64 count = DefaultMapCount;
+#ifdef __linux__
+    if (std::FILE* const file = std::fopen("/proc/sys/vm/max_map_count", "re")) {
+        char line[32];
+        if (std::fgets(line, sizeof(line), file) != nullptr) {
+            const u64 parsed = std::strtoull(line, nullptr, 10);
+            if (parsed != 0) {
+                count = parsed;
+            }
+        }
+        std::fclose(file);
+    }
+#endif
+    if (count <= ReservedMaps) {
+        return 0;
+    }
+    return count - ReservedMaps;
+}
+
+u64 GetAvailablePhysicalMemory() {
+#ifdef _WIN32
+    MEMORYSTATUSEX memorystatus;
+    memorystatus.dwLength = sizeof(memorystatus);
+    if (GlobalMemoryStatusEx(&memorystatus) == 0) {
+        return 0;
+    }
+    return memorystatus.ullAvailPhys;
+#elif defined(__linux__)
+    static constexpr char AvailableKey[] = "MemAvailable:";
+    if (std::FILE* const file = std::fopen("/proc/meminfo", "re")) {
+        char line[256];
+        u64 available = 0;
+        while (std::fgets(line, sizeof(line), file) != nullptr) {
+            if (std::strncmp(line, AvailableKey, sizeof(AvailableKey) - 1) != 0) {
+                continue;
+            }
+            available = std::strtoull(line + sizeof(AvailableKey) - 1, nullptr, 10) * 1024;
+            break;
+        }
+        std::fclose(file);
+        if (available != 0) {
+            return available;
+        }
+    }
+    struct sysinfo meminfo;
+    if (sysinfo(&meminfo) != 0) {
+        return 0;
+    }
+    return static_cast<u64>(meminfo.freeram) * static_cast<u64>(meminfo.mem_unit);
+#else
+    return 0;
+#endif
+}
+
 } // namespace Common
@@ -1,3 +1,6 @@
+// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
 // SPDX-FileCopyrightText: Copyright 2020 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later

@@ -18,4 +21,8 @@ struct MemoryInfo {
 */
 [[nodiscard]] const MemoryInfo& GetMemInfo();

+[[nodiscard]] u64 GetPermissibleMapCount();
+
+[[nodiscard]] u64 GetAvailablePhysicalMemory();
+
 } // namespace Common
@@ -96,15 +96,15 @@ struct PageTable {
        }

        /// Write page info atomically
-        inline void Store(bool marked, PageType type, u16 block, uintptr_t pointer) noexcept {
+        constexpr void Store(bool marked, PageType type, u16 block, uintptr_t pointer) noexcept {
            data_raw.store(std::bit_cast<u64>(Data{marked, type, block, pointer}));
        }

-        inline void MarkRasterizerCached() noexcept {
+        constexpr void MarkRasterizerCached() noexcept {
            data_raw.fetch_or(0b111);
        }

-        inline void MarkDebug(u64 ptr, u16 block) noexcept {
+        constexpr void MarkDebug(u64 ptr, u16 block) noexcept {
            Store(true, PageType::DebugMemory, block, ptr);
        }

@@ -666,6 +666,9 @@ struct Values {
    SwitchableSetting<bool> use_asynchronous_shaders{linkage, false, "use_asynchronous_shaders",
                                                     Category::RendererHacks};

+    SwitchableSetting<bool> use_unified_memory{linkage, false, "use_unified_memory",
+                                               Category::RendererHacks};
+
    SwitchableSetting<GpuUnswizzleSize> gpu_unswizzle_texture_size{linkage,
                                                  GpuUnswizzleSize::Large,
                                                  "gpu_unswizzle_texture_size",
@@ -38,8 +38,7 @@ void FreeMemoryPages(void* base, std::size_t size) noexcept;

 /// A large page-aligned buffer that has optimized memory usage for zero-writes.
 template <typename T>
-    // MSVC doesn't regard structs with atomics as trivially copyable
-    // requires std::is_trivially_copyable_v<T>
+requires std::is_trivially_copyable_v<T>
 class SparseLargeVector final {
 public:
    constexpr SparseLargeVector() = default;
@@ -0,0 +1,50 @@
+// SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+// SPDX-FileCopyrightText: Copyright 2020 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+#ifdef _MSC_VER
+#include <intrin.h>
+#elif defined(ARCHITECTURE_x86_64)
+#include <xmmintrin.h>
+#endif
+#include <atomic>
+
+namespace Common {
+
+/// @brief A lock similar to mutex that forces a thread to spin wait instead calling the
+/// supervisor. Should be used on short sequences of code.
+struct SpinLock {
+    SpinLock() noexcept = default;
+    SpinLock(const SpinLock&) noexcept = delete;
+    SpinLock& operator=(const SpinLock&) noexcept = delete;
+    SpinLock(SpinLock&&) noexcept = delete;
+    SpinLock& operator=(SpinLock&&) noexcept = delete;
+
+    inline void lock() noexcept {
+        while (lck.test_and_set(std::memory_order_acquire)) {
+#if defined(ARCHITECTURE_x86_64)
+            _mm_pause();
+#elif defined(ARCHITECTURE_arm64) && defined(_MSC_VER)
+            __yield();
+#elif defined(ARCHITECTURE_arm64)
+            asm("yield");
+#endif
+        }
+    }
+
+    inline void unlock() noexcept {
+        lck.clear(std::memory_order_release);
+    }
+
+    [[nodiscard]] inline bool try_lock() noexcept {
+        return !lck.test_and_set(std::memory_order_acquire);
+    }
+
+    std::atomic_flag lck = ATOMIC_FLAG_INIT;
+};
+
+} // namespace Common
@@ -208,9 +208,9 @@ UUID UUID::MakeRandomRFC4122V4() {
    return uuid;
 }

-UUID UUID::MakeRFC4122V5(std::span<u8, 16> sha1) {
+UUID UUID::MakeRFC4122V5(std::span<u8, 20> sha1) {
    UUID uuid{};
-    std::memcpy(&uuid.uuid, sha1.data(), sha1.size());
+    std::memcpy(&uuid.uuid, sha1.data(), sizeof(UUID));
    uuid.uuid[8] = 0x80 | (uuid.uuid[8] & 0x3F);
    uuid.uuid[6] = 0x50 | (uuid.uuid[6] & 0xF);
    return uuid;
@@ -104,7 +104,7 @@ struct UUID {
    /// @returns A random UUID that is RFC 4122 Version 4 compliant.
    [[nodiscard]] static UUID MakeRandomRFC4122V4();

-    [[nodiscard]] static UUID MakeRFC4122V5(std::span<u8, 16> sha1);
+    [[nodiscard]] static UUID MakeRFC4122V5(std::span<u8, 20> sha1);

    friend constexpr bool operator==(const UUID& lhs, const UUID& rhs) = default;
 };
@@ -796,8 +796,6 @@ add_library(core STATIC
    hle/service/ns/application_manager_interface.h
    hle/service/ns/application_version_interface.cpp
    hle/service/ns/application_version_interface.h
-    hle/service/ns/async_result.cpp
-    hle/service/ns/async_result.h
    hle/service/ns/content_management_interface.cpp
    hle/service/ns/content_management_interface.h
    hle/service/ns/develop_interface.cpp
@@ -22,15 +22,21 @@ DynarmicCallbacks32::DynarmicCallbacks32(ArmDynarmic32& parent, Kernel::KProcess
    , m_check_memory_access{m_debugger_enabled || !Settings::values.cpuopt_ignore_memory_aborts.GetValue()}
 {}

-u64 DynarmicCallbacks32::MemoryRead(u32 vaddr, size_t size) {
-    CheckMemoryAccess(vaddr, size, Kernel::DebugWatchpointType::Read);
-    switch (size) {
-    case sizeof(u64): return m_memory.Read64(vaddr);
-    case sizeof(u32): return m_memory.Read32(vaddr);
-    case sizeof(u16): return m_memory.Read16(vaddr);
-    case sizeof(u8): return m_memory.Read8(vaddr);
-    default: UNREACHABLE();
-    }
+u8 DynarmicCallbacks32::MemoryRead8(u32 vaddr) {
+    CheckMemoryAccess(vaddr, 1, Kernel::DebugWatchpointType::Read);
+    return m_memory.Read8(vaddr);
+}
+u16 DynarmicCallbacks32::MemoryRead16(u32 vaddr) {
+    CheckMemoryAccess(vaddr, 2, Kernel::DebugWatchpointType::Read);
+    return m_memory.Read16(vaddr);
+}
+u32 DynarmicCallbacks32::MemoryRead32(u32 vaddr) {
+    CheckMemoryAccess(vaddr, 4, Kernel::DebugWatchpointType::Read);
+    return m_memory.Read32(vaddr);
+}
+u64 DynarmicCallbacks32::MemoryRead64(u32 vaddr) {
+    CheckMemoryAccess(vaddr, 8, Kernel::DebugWatchpointType::Read);
+    return m_memory.Read64(vaddr);
 }

 std::optional<u32> DynarmicCallbacks32::MemoryReadCode(u32 vaddr) {
@@ -44,17 +50,27 @@ std::optional<u32> DynarmicCallbacks32::MemoryReadCode(u32 vaddr) {
    return cached_code_page.inst[(vaddr & Core::Memory::YUZU_PAGEMASK) / sizeof(u32)];
 }

-void DynarmicCallbacks32::MemoryWrite(Dynarmic::A32::VAddr vaddr, u64 value, size_t size) {
-    if (CheckMemoryAccess(vaddr, size, Kernel::DebugWatchpointType::Write)) {
-        switch (size) {
-        case sizeof(u64): return m_memory.Write64(vaddr, value);
-        case sizeof(u32): return m_memory.Write32(vaddr, u32(value));
-        case sizeof(u16): return m_memory.Write16(vaddr, u16(value));
-        case sizeof(u8): return m_memory.Write8(vaddr, u8(value));
-        default: UNREACHABLE();
-        }
+void DynarmicCallbacks32::MemoryWrite8(u32 vaddr, u8 value) {
+    if (CheckMemoryAccess(vaddr, 1, Kernel::DebugWatchpointType::Write)) {
+        m_memory.Write8(vaddr, value);
    }
 }
+void DynarmicCallbacks32::MemoryWrite16(u32 vaddr, u16 value) {
+    if (CheckMemoryAccess(vaddr, 2, Kernel::DebugWatchpointType::Write)) {
+        m_memory.Write16(vaddr, value);
+    }
+}
+void DynarmicCallbacks32::MemoryWrite32(u32 vaddr, u32 value) {
+    if (CheckMemoryAccess(vaddr, 4, Kernel::DebugWatchpointType::Write)) {
+        m_memory.Write32(vaddr, value);
+    }
+}
+void DynarmicCallbacks32::MemoryWrite64(u32 vaddr, u64 value) {
+    if (CheckMemoryAccess(vaddr, 8, Kernel::DebugWatchpointType::Write)) {
+        m_memory.Write64(vaddr, value);
+    }
+}
+
 bool DynarmicCallbacks32::MemoryWriteExclusive8(u32 vaddr, u8 value, u8 expected) {
    return CheckMemoryAccess(vaddr, 1, Kernel::DebugWatchpointType::Write) &&
            m_memory.WriteExclusive8(vaddr, value, expected);
@@ -161,7 +177,7 @@ void ArmDynarmic32::MakeJit(Common::PageTable* page_table) {
        config.page_table = reinterpret_cast<std::array<std::uint8_t*, NumPageTableEntries>*>(
            const_cast<Common::PageTable::PageEntryData*>(page_table->entries.data()));
        config.page_table_pointer_mask = Common::PageTable::ATTRIBUTE_MASK;
-        config.page_table_marked_bit = uint8_t(0);
+        config.page_table_marked_bit = 0;
        config.absolute_offset_page_table = true;
        config.detect_misaligned_access_via_page_table = 16 | 32 | 64 | 128;
        config.only_detect_misalignment_via_page_table_on_page_boundary = true;
@@ -177,7 +193,7 @@ void ArmDynarmic32::MakeJit(Common::PageTable* page_table) {
            Kernel::Board::Nintendo::Nx::KSystemControl::Init::GetIntendedMemorySize()) < (1ULL << 39)) {
            // Systems like FreeBSD allocate memory really low by default, and since we pack our page table entries,
            // we have to manually sign extend when our actual pointer is negative.
-            config.page_table_sign_extension = std::uint8_t(Common::PageTable::SIGN_BIT);
+            config.page_table_sign_extension = Common::PageTable::SIGN_BIT;
        }
    }

@@ -30,12 +30,18 @@ class System;
 class DynarmicCallbacks32 : public Dynarmic::A32::UserCallbacks {
 public:
    explicit DynarmicCallbacks32(ArmDynarmic32& parent, Kernel::KProcess* process);
-    u64 MemoryRead(u32 vaddr, size_t size) override;
+    u8 MemoryRead8(u32 vaddr) override;
+    u16 MemoryRead16(u32 vaddr) override;
+    u32 MemoryRead32(u32 vaddr) override;
+    u64 MemoryRead64(u32 vaddr) override;
    std::optional<u32> MemoryReadCode(u32 vaddr) override;
    void InstructionSynchronizationBarrierRaised() override {
        last_code_addr = u64(-1); //reset back, force refetch
    }
-    void MemoryWrite(Dynarmic::A32::VAddr vaddr, u64 value, size_t size) override;
+    void MemoryWrite8(u32 vaddr, u8 value) override;
+    void MemoryWrite16(u32 vaddr, u16 value) override;
+    void MemoryWrite32(u32 vaddr, u32 value) override;
+    void MemoryWrite64(u32 vaddr, u64 value) override;
    bool MemoryWriteExclusive8(u32 vaddr, u8 value, u8 expected) override;
    bool MemoryWriteExclusive16(u32 vaddr, u16 value, u16 expected) override;
    bool MemoryWriteExclusive32(u32 vaddr, u32 value, u32 expected) override;
@@ -10,7 +10,6 @@
 #include "core/arm/dynarmic/dynarmic_exclusive_monitor.h"
 #include "core/core_timing.h"
 #include "core/hle/kernel/k_process.h"
-#include "dynarmic/interface/A64/config.h"

 namespace Core {

@@ -22,15 +21,21 @@ DynarmicCallbacks64::DynarmicCallbacks64(ArmDynarmic64& parent, Kernel::KProcess
    , m_check_memory_access{m_debugger_enabled || !Settings::values.cpuopt_ignore_memory_aborts.GetValue()}
 {}

-u64 DynarmicCallbacks64::MemoryRead(u64 vaddr, size_t size) {
-    CheckMemoryAccess(vaddr, size, Kernel::DebugWatchpointType::Read);
-    switch (size) {
-    case sizeof(u64): return m_memory.Read64(vaddr);
-    case sizeof(u32): return m_memory.Read32(vaddr);
-    case sizeof(u16): return m_memory.Read16(vaddr);
-    case sizeof(u8): return m_memory.Read8(vaddr);
-    default: UNREACHABLE();
-    }
+u8 DynarmicCallbacks64::MemoryRead8(u64 vaddr) {
+    CheckMemoryAccess(vaddr, 1, Kernel::DebugWatchpointType::Read);
+    return m_memory.Read8(vaddr);
+}
+u16 DynarmicCallbacks64::MemoryRead16(u64 vaddr) {
+    CheckMemoryAccess(vaddr, 2, Kernel::DebugWatchpointType::Read);
+    return m_memory.Read16(vaddr);
+}
+u32 DynarmicCallbacks64::MemoryRead32(u64 vaddr) {
+    CheckMemoryAccess(vaddr, 4, Kernel::DebugWatchpointType::Read);
+    return m_memory.Read32(vaddr);
+}
+u64 DynarmicCallbacks64::MemoryRead64(u64 vaddr) {
+    CheckMemoryAccess(vaddr, 8, Kernel::DebugWatchpointType::Read);
+    return m_memory.Read64(vaddr);
 }
 Dynarmic::A64::Vector DynarmicCallbacks64::MemoryRead128(u64 vaddr) {
    CheckMemoryAccess(vaddr, 16, Kernel::DebugWatchpointType::Read);
@@ -48,15 +53,24 @@ std::optional<u32> DynarmicCallbacks64::MemoryReadCode(u64 vaddr) {
    return cached_code_page.inst[(vaddr & Core::Memory::YUZU_PAGEMASK) / sizeof(u32)];
 }

-void DynarmicCallbacks64::MemoryWrite(Dynarmic::A64::VAddr vaddr, u64 value, std::size_t size) {
-    if (CheckMemoryAccess(vaddr, size, Kernel::DebugWatchpointType::Write)) {
-        switch (size) {
-        case sizeof(u64): return m_memory.Write64(vaddr, u64(value));
-        case sizeof(u32): return m_memory.Write32(vaddr, u32(value));
-        case sizeof(u16): return m_memory.Write16(vaddr, u16(value));
-        case sizeof(u8): return m_memory.Write8(vaddr, u8(value));
-        default: UNREACHABLE();
-        }
+void DynarmicCallbacks64::MemoryWrite8(u64 vaddr, u8 value) {
+    if (CheckMemoryAccess(vaddr, 1, Kernel::DebugWatchpointType::Write)) {
+        m_memory.Write8(vaddr, value);
+    }
+}
+void DynarmicCallbacks64::MemoryWrite16(u64 vaddr, u16 value) {
+    if (CheckMemoryAccess(vaddr, 2, Kernel::DebugWatchpointType::Write)) {
+        m_memory.Write16(vaddr, value);
+    }
+}
+void DynarmicCallbacks64::MemoryWrite32(u64 vaddr, u32 value) {
+    if (CheckMemoryAccess(vaddr, 4, Kernel::DebugWatchpointType::Write)) {
+        m_memory.Write32(vaddr, value);
+    }
+}
+void DynarmicCallbacks64::MemoryWrite64(u64 vaddr, u64 value) {
+    if (CheckMemoryAccess(vaddr, 8, Kernel::DebugWatchpointType::Write)) {
+        m_memory.Write64(vaddr, value);
    }
 }
 void DynarmicCallbacks64::MemoryWrite128(u64 vaddr, Dynarmic::A64::Vector value) {
@@ -202,7 +216,7 @@ void ArmDynarmic64::MakeJit(Common::PageTable* page_table, std::size_t address_s
            const_cast<Common::PageTable::PageEntryData*>(page_table->entries.data()));
        config.page_table_address_space_bits = std::uint32_t(address_space_bits);
        config.page_table_pointer_mask = Common::PageTable::ATTRIBUTE_MASK;
-        config.page_table_marked_bit = uint8_t(0);
+        config.page_table_marked_bit = 0;
        config.silently_mirror_page_table = false;
        config.absolute_offset_page_table = true;
        config.detect_misaligned_access_via_page_table = 16 | 32 | 64 | 128;
@@ -221,7 +235,7 @@ void ArmDynarmic64::MakeJit(Common::PageTable* page_table, std::size_t address_s
            Kernel::Board::Nintendo::Nx::KSystemControl::Init::GetIntendedMemorySize()) < (1ULL << 39)) {
            // Systems like FreeBSD allocate memory really low by default, and since we pack our page table entries,
            // we have to manually sign extend when our actual pointer is negative.
-            config.page_table_sign_extension = std::uint8_t(Common::PageTable::SIGN_BIT);
+            config.page_table_sign_extension = Common::PageTable::SIGN_BIT;
        }
    }

@@ -16,7 +16,6 @@
 #include "common/hash.h"
 #include "core/arm/arm_interface.h"
 #include "core/arm/dynarmic/dynarmic_exclusive_monitor.h"
-#include "dynarmic/interface/A64/config.h"

 namespace Core::Memory {
 class Memory;
@@ -37,13 +36,19 @@ class DynarmicCallbacks64 : public Dynarmic::A64::UserCallbacks {
 public:
    explicit DynarmicCallbacks64(ArmDynarmic64& parent, Kernel::KProcess* process);

-    u64 MemoryRead(u64 vaddr, size_t size) override;
+    u8 MemoryRead8(u64 vaddr) override;
+    u16 MemoryRead16(u64 vaddr) override;
+    u32 MemoryRead32(u64 vaddr) override;
+    u64 MemoryRead64(u64 vaddr) override;
    Dynarmic::A64::Vector MemoryRead128(u64 vaddr) override;
    std::optional<u32> MemoryReadCode(u64 vaddr) override;
    void InstructionSynchronizationBarrierRaised() override {
        last_code_addr = u64(-1); //reset back, force refetch
    }
-    void MemoryWrite(Dynarmic::A64::VAddr vaddr, u64 value, std::size_t size) override;
+    void MemoryWrite8(u64 vaddr, u8 value) override;
+    void MemoryWrite16(u64 vaddr, u16 value) override;
+    void MemoryWrite32(u64 vaddr, u32 value) override;
+    void MemoryWrite64(u64 vaddr, u64 value) override;
    void MemoryWrite128(u64 vaddr, Dynarmic::A64::Vector value) override;
    bool MemoryWriteExclusive8(u64 vaddr, std::uint8_t value, std::uint8_t expected) override;
    bool MemoryWriteExclusive16(u64 vaddr, std::uint16_t value, std::uint16_t expected) override;
@@ -120,6 +120,7 @@ struct System::Impl {

        is_multicore = Settings::values.use_multi_core.GetValue();
        extended_memory_layout = Settings::values.memory_layout_mode.GetValue() != Settings::MemoryLayout::Memory_4Gb;
+        unified_memory = Settings::values.use_unified_memory.GetValue();

        core_timing.SetMulticore(is_multicore);
        core_timing.Initialize([&system]() { system.RegisterHostThread(); });
@@ -147,7 +148,8 @@ struct System::Impl {
            !device_memory.has_value() ||
            is_multicore != Settings::values.use_multi_core.GetValue() ||
            extended_memory_layout != (Settings::values.memory_layout_mode.GetValue() !=
-                                       Settings::MemoryLayout::Memory_4Gb);
+                                       Settings::MemoryLayout::Memory_4Gb) ||
+            unified_memory != Settings::values.use_unified_memory.GetValue();

        if (!must_reinitialize) {
            return;
@@ -158,6 +160,7 @@ struct System::Impl {
        is_multicore = Settings::values.use_multi_core.GetValue();
        extended_memory_layout =
            Settings::values.memory_layout_mode.GetValue() != Settings::MemoryLayout::Memory_4Gb;
+        unified_memory = Settings::values.use_unified_memory.GetValue();

        Initialize(system);
    }
@@ -535,6 +538,7 @@ struct System::Impl {
    std::atomic_bool is_powered_on{};
    bool is_multicore : 1 = false;
    bool extended_memory_layout : 1 = false;
+    bool unified_memory : 1 = false;
    bool exit_locked : 1 = false;
    bool exit_requested : 1 = false;

@@ -1,3 +1,6 @@
+// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
 // SPDX-FileCopyrightText: Copyright 2020 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later

@@ -12,9 +15,18 @@ constexpr size_t VirtualReserveSize = 1ULL << 38;
 constexpr size_t VirtualReserveSize = 1ULL << 39;
 #endif

+namespace {
+size_t ApplicationPoolOffset() {
+    using Init = Kernel::Board::Nintendo::Nx::KSystemControl::Init;
+    const size_t dram_size = Init::GetIntendedMemorySize();
+    const size_t application_pool_size = Init::GetApplicationPoolSize();
+    return dram_size > application_pool_size ? dram_size - application_pool_size : 0;
+}
+}
+
 DeviceMemory::DeviceMemory()
    : buffer{Kernel::Board::Nintendo::Nx::KSystemControl::Init::GetIntendedMemorySize(),
-             VirtualReserveSize} {}
+             VirtualReserveSize, ApplicationPoolOffset()} {}

 DeviceMemory::~DeviceMemory() = default;

@@ -20,6 +20,8 @@
 #include "common/scratch_buffer.h"
 #include "common/sparse_large_vector.h"

+struct AHardwareBuffer;
+
 namespace Core {

 constexpr size_t DEVICE_PAGEBITS = 12ULL;
@@ -95,6 +97,34 @@ public:
        ApplyOpOnPAddr(address, buffer, operation);
    }

+    u8* GetPhysicalBase() noexcept {
+        return reinterpret_cast<u8*>(physical_base);
+    }
+
+    const u8* GetPhysicalBase() const noexcept {
+        return reinterpret_cast<const u8*>(physical_base);
+    }
+
+    size_t GetPhysicalSize() const noexcept {
+        return physical_size;
+    }
+
+    std::span<AHardwareBuffer* const> GetBackingHardwareBuffers() const noexcept {
+        return ahb_windows;
+    }
+
+    size_t GetBackingHardwareBufferWindowSize() const noexcept {
+        return ahb_window_size;
+    }
+
+    size_t GetBackingHardwareBufferBase() const noexcept {
+        return ahb_base;
+    }
+
+    bool IsBackingShared() const noexcept {
+        return backing_is_shared;
+    }
+
    PAddr GetPhysicalRawAddressFromDAddr(DAddr address) const {
        PAddr subbits = PAddr(address & page_mask);
        auto paddr = tracked_entries[(address >> page_bits)].compressed_physical_ptr;
@@ -171,6 +201,11 @@ private:
    std::unique_ptr<DeviceMemoryManagerAllocator<Traits>> impl;

    const uintptr_t physical_base;
+    const size_t physical_size;
+    const std::span<AHardwareBuffer* const> ahb_windows;
+    const size_t ahb_window_size;
+    const size_t ahb_base;
+    const bool backing_is_shared;
    DeviceInterface* device_inter;

    struct TrackedEntry {
@@ -171,6 +171,11 @@ struct DeviceMemoryManagerAllocator {
 template <typename Traits>
 DeviceMemoryManager<Traits>::DeviceMemoryManager(const DeviceMemory& device_memory_)
    : physical_base{uintptr_t(device_memory_.buffer.BackingBasePointer())}
+    , physical_size{device_memory_.buffer.BackingSize()}
+    , ahb_windows{device_memory_.buffer.BackingHardwareBuffers()}
+    , ahb_window_size{device_memory_.buffer.BackingHardwareBufferWindowSize()}
+    , ahb_base{device_memory_.buffer.BackingHardwareBufferBase()}
+    , backing_is_shared{device_memory_.buffer.IsBackingShared()}
    , device_inter{nullptr}
    , compressed_device_addr(1ULL << ((Settings::values.memory_layout_mode.GetValue() == Settings::MemoryLayout::Memory_4Gb ? physical_min_bits : physical_max_bits) - Memory::YUZU_PAGEBITS))
    , tracked_entries(device_as_size >> Memory::YUZU_PAGEBITS)
@@ -35,20 +35,17 @@ static IPSFileType IdentifyMagic(std::span<const u8> magic) {
 }

 static bool IsEOF(IPSFileType type, std::span<const u8> magic) {
-    return (type == IPSFileType::IPS && magic.size() >= 3 && std::memcmp(magic.data(), "EOF", 3) == 0)
-        || (type == IPSFileType::IPS32 && magic.size() >= 4 && std::memcmp(magic.data(), "EEOF", 4) == 0);
+    return (type == IPSFileType::IPS && magic.size() > 3 && std::memcmp(magic.data(), "EOF", 3) == 0)
+        || (type == IPSFileType::IPS32 && magic.size() > 4 && std::memcmp(magic.data(), "EEOF", 4) == 0);
 }

 VirtualFile PatchIPS(const VirtualFile& in, const VirtualFile& ips) {
    if (in == nullptr || ips == nullptr)
        return nullptr;

-    const auto type = IdentifyMagic(ips->ReadBytes(0x5));
-    if (type == IPSFileType::Error)
-        return nullptr;
-
    auto in_data = in->ReadAllBytes();
-    if (in_data.size() == 0)
+    auto const type = IdentifyMagic(in_data);
+    if (type == IPSFileType::Error)
        return nullptr;

    std::vector<u8> temp(type == IPSFileType::IPS ? 3 : 4);
@@ -103,7 +100,8 @@ VirtualFile PatchIPS(const VirtualFile& in, const VirtualFile& ips) {


 struct IPSwitchRecord {
-    std::vector<uint8_t> data;
+    std::array<uint8_t, 256 - sizeof(size_t)> data;
+    size_t count;
 };
 struct IPSwitchCompiler::IPSwitchPatch {
    ::Common::unordered_map<u32, IPSwitchRecord> records;
@@ -124,23 +122,22 @@ static IPSwitchRecord EscapeStringSequences(std::string_view sv) {
    IPSwitchRecord r{};
    for (auto it = sv.cbegin(); it < sv.cend(); ) {
        if (*it == '\\' && it + 1 < sv.cend()) {
-            r.data.push_back([it]() {
-                switch (it[1]) {
-                case 'a': return '\a';
-                case 'b': return '\b';
-                case 'e': return '\e';
-                case 'f': return '\f';
-                case 'n': return '\n';
-                case 'r': return '\r';
-                case 't': return '\t';
-                case 'v': return '\v';
-                case '?': return '\?';
-                default: return it[1];
-                }
-            }());
+            switch (it[1]) {
+            case 'a': r.data[r.count] = '\a'; break;
+            case 'b': r.data[r.count] = '\b'; break;
+            case 'e': r.data[r.count] = '\e'; break;
+            case 'f': r.data[r.count] = '\f'; break;
+            case 'n': r.data[r.count] = '\n'; break;
+            case 'r': r.data[r.count] = '\r'; break;
+            case 't': r.data[r.count] = '\t'; break;
+            case 'v': r.data[r.count] = '\v'; break;
+            case '?': r.data[r.count] = '\?'; break;
+            default: r.data[r.count] = it[1]; break;
+            }
+            ++r.count;
            it += 2;
        } else {
-            r.data.push_back(*it);
+            ++r.count;
            ++it;
        }
    }
@@ -226,8 +223,8 @@ void IPSwitchCompiler::Parse(std::span<u8 const> bytes) {
                if (start <= line.cend() && end <= line.cend()) {
                    // Actually IPS wants ordering from {lsb, ..., msb} -- so LE and BE are inverted, fun!
                    auto const hs = Common::HexStringToVector({start, end}, is_little_endian);
-                    r.data.resize(hs.size());
                    std::memcpy(r.data.data(), hs.data(), hs.size());
+                    r.count = hs.size();
                    LOG_INFO(Loader, "[H] value @ {:#08X}", offset);
                    patches.back().records.insert_or_assign(u32(offset), std::move(r));
                } else {
@@ -296,7 +293,7 @@ VirtualFile IPSwitchCompiler::Apply(const VirtualFile& in) const {
        if (patch.enabled) {
            for (const auto& record : patch.records) {
                if (record.first < in_data.size()) {
-                    auto replace_size = record.second.data.size();
+                    auto replace_size = record.second.count;
                    if (record.first + replace_size > in_data.size())
                        replace_size = in_data.size() - record.first;
                    std::memcpy(in_data.data() + record.first, record.second.data.data(), replace_size);
@@ -9,7 +9,6 @@
 #include <cstddef>
 #include <cstring>

-#include "common/assert.h"
 #include "common/hex_util.h"
 #include "common/logging.h"
 #include "common/settings.h"
@@ -157,15 +156,12 @@ std::string GetUpdateVersionStringFromSlot(const ContentProvider* provider, u64
    NACP nacp{nacp_file};
    return nacp.GetVersionString();
 }
-YUZU_NO_INLINE std::optional<u64> GetParentApplicationId(const ContentProvider* provider, u64 title_id) {
-    return provider == nullptr ? std::nullopt : provider->GetParentApplicationId(title_id);
-}
 } // Anonymous namespace

 PatchManager::PatchManager(u64 title_id_,
                           const Service::FileSystem::FileSystemController& fs_controller_,
                           const ContentProvider& content_provider_)
-    : title_id{title_id_}, parent_title_id{GetParentApplicationId(std::addressof(content_provider_), title_id_)}, fs_controller{fs_controller_}, content_provider{content_provider_} {}
+    : title_id{title_id_}, fs_controller{fs_controller_}, content_provider{content_provider_} {}

 PatchManager::~PatchManager() = default;

@@ -173,35 +169,13 @@ u64 PatchManager::GetTitleID() const {
    return title_id;
 }

-VirtualDir PatchManager::GetModificationLoadRoot(bool sdmc) const {
-    const auto get_root = [&](u64 id) {
-        return sdmc ? fs_controller.GetSDMCModificationLoadRoot(id) : fs_controller.GetModificationLoadRoot(id);
-    };
-    auto root = get_root(title_id);
-    if (!parent_title_id) {
-        return root;
-    }
-    std::vector<VirtualDir> roots{std::move(root), get_root(*parent_title_id)};
-    std::erase(roots, nullptr);
-    return LayeredVfsDirectory::MakeLayeredDirectory(std::move(roots));
-}
-
-std::vector<std::string> PatchManager::GetDisabledAddons() const {
-    auto disabled = Settings::values.disabled_addons[title_id];
-    if (parent_title_id) {
-        const auto& shared = Settings::values.disabled_addons[*parent_title_id];
-        disabled.insert(disabled.end(), shared.begin(), shared.end());
-    }
-    return disabled;
-}
-
 VirtualDir PatchManager::PatchExeFS(VirtualDir exefs) const {
    LOG_INFO(Loader, "Patching ExeFS for title_id={:016X}", title_id);

    if (exefs == nullptr)
        return exefs;

-    const auto disabled = GetDisabledAddons();
+    const auto& disabled = Settings::values.disabled_addons[title_id];

    bool update_disabled = true;
    std::optional<u32> enabled_version;
@@ -329,8 +303,8 @@ VirtualDir PatchManager::PatchExeFS(VirtualDir exefs) const {
    }

    // LayeredExeFS
-    const auto load_dir = GetModificationLoadRoot();
-    const auto sdmc_load_dir = GetModificationLoadRoot(true);
+    const auto load_dir = fs_controller.GetModificationLoadRoot(title_id);
+    const auto sdmc_load_dir = fs_controller.GetSDMCModificationLoadRoot(title_id);

    std::vector<VirtualDir> patch_dirs = {sdmc_load_dir};
    if (load_dir != nullptr) {
@@ -372,7 +346,7 @@ VirtualDir PatchManager::PatchExeFS(VirtualDir exefs) const {
 }

 std::vector<VirtualFile> PatchManager::CollectPatches(const std::vector<VirtualDir>& patch_dirs, const std::string& build_id) const {
-    const auto disabled = GetDisabledAddons();
+    const auto& disabled = Settings::values.disabled_addons[title_id];
    const auto nso_build_id = fmt::format("{:0<64}", build_id);

    std::vector<VirtualFile> out;
@@ -431,7 +405,7 @@ std::vector<u8> PatchManager::PatchNSO(const std::vector<u8>& nso, const std::st

    LOG_INFO(Loader, "Patching NSO for name={}, build_id={}", name, build_id);

-    const auto load_dir = GetModificationLoadRoot();
+    const auto load_dir = fs_controller.GetModificationLoadRoot(title_id);
    if (load_dir == nullptr) {
        LOG_ERROR(Loader, "Cannot load mods for invalid title_id={:016X}", title_id);
        return nso;
@@ -474,7 +448,7 @@ bool PatchManager::HasNSOPatch(const BuildID& build_id_, std::string_view name)

    LOG_INFO(Loader, "Querying NSO patch existence for build_id={}, name={}", build_id, name);

-    const auto load_dir = GetModificationLoadRoot();
+    const auto load_dir = fs_controller.GetModificationLoadRoot(title_id);
    if (load_dir == nullptr) {
        LOG_ERROR(Loader, "Cannot load mods for invalid title_id={:016X}", title_id);
        return false;
@@ -488,13 +462,13 @@ bool PatchManager::HasNSOPatch(const BuildID& build_id_, std::string_view name)
 }

 std::vector<Core::Memory::CheatEntry> PatchManager::CreateCheatList(const BuildID& build_id_) const {
-    const auto load_dir = GetModificationLoadRoot();
+    const auto load_dir = fs_controller.GetModificationLoadRoot(title_id);
    if (load_dir == nullptr) {
        LOG_ERROR(Loader, "Cannot load mods for invalid title_id={:016X}", title_id);
        return {};
    }

-    const auto disabled = GetDisabledAddons();
+    const auto& disabled = Settings::values.disabled_addons[title_id];
    auto patch_dirs = load_dir->GetSubdirectories();
    std::sort(patch_dirs.begin(), patch_dirs.end(), [](auto const& l, auto const& r) { return l->GetName() < r->GetName(); });

@@ -528,16 +502,17 @@ std::vector<Core::Memory::CheatEntry> PatchManager::CreateCheatList(const BuildI
    return out;
 }

-void PatchManager::ApplyLayeredFS(VirtualFile& romfs, ContentRecordType type) const {
-    const auto load_dir = GetModificationLoadRoot();
-    const auto sdmc_load_dir = GetModificationLoadRoot(true);
+static void ApplyLayeredFS(VirtualFile& romfs, u64 title_id, ContentRecordType type,
+                           const Service::FileSystem::FileSystemController& fs_controller) {
+    const auto load_dir = fs_controller.GetModificationLoadRoot(title_id);
+    const auto sdmc_load_dir = fs_controller.GetSDMCModificationLoadRoot(title_id);
    if ((type != ContentRecordType::Program && type != ContentRecordType::Data &&
         type != ContentRecordType::HtmlDocument) ||
        (load_dir == nullptr && sdmc_load_dir == nullptr)) {
        return;
    }

-    const auto disabled = GetDisabledAddons();
+    const auto& disabled = Settings::values.disabled_addons[title_id];
    std::vector<VirtualDir> patch_dirs = load_dir->GetSubdirectories();
    if (std::find(disabled.cbegin(), disabled.cend(), "SDMC") == disabled.cend()) {
        patch_dirs.push_back(sdmc_load_dir);
@@ -616,7 +591,7 @@ VirtualFile PatchManager::PatchRomFS(const NCA* base_nca, VirtualFile base_romfs

    // Game Updates
    const auto update_tid = GetUpdateTitleID(title_id);
-    const auto disabled = GetDisabledAddons();
+    const auto& disabled = Settings::values.disabled_addons[title_id];

    bool update_disabled = true;
    std::optional<u32> enabled_version;
@@ -723,7 +698,7 @@ VirtualFile PatchManager::PatchRomFS(const NCA* base_nca, VirtualFile base_romfs

    // LayeredFS
    if (apply_layeredfs) {
-        ApplyLayeredFS(romfs, type);
+        ApplyLayeredFS(romfs, title_id, type, fs_controller);
    }

    return romfs;
@@ -1097,22 +1072,15 @@ std::vector<Patch> PatchManager::GetPatches(VirtualFile update_raw) const {
 std::optional<u32> PatchManager::GetGameVersion() const {
    const auto update_tid = GetUpdateTitleID(title_id);
    if (content_provider.HasEntry(update_tid, ContentRecordType::Program)) {
-        const auto version = content_provider.GetEntryVersion(update_tid);
-        return version || !parent_title_id ? version : content_provider.GetEntryVersion(GetUpdateTitleID(*parent_title_id));
+        return content_provider.GetEntryVersion(update_tid);
    }

-    const auto version = content_provider.GetEntryVersion(title_id);
-    return version || !parent_title_id ? version : content_provider.GetEntryVersion(*parent_title_id);
+    return content_provider.GetEntryVersion(title_id);
 }

 PatchManager::Metadata PatchManager::GetControlMetadata() const {
    const auto base_control_nca = content_provider.GetEntry(title_id, ContentRecordType::Control);
    if (base_control_nca == nullptr) {
-        if (parent_title_id) {
-            const auto control_id = content_provider.HasEntry(*parent_title_id, ContentRecordType::Control) ? *parent_title_id : GetUpdateTitleID(*parent_title_id);
-            const PatchManager parent{control_id, fs_controller, content_provider};
-            return parent.GetControlMetadata();
-        }
        return {};
    }

@@ -109,14 +109,10 @@ public:
    [[nodiscard]] static PatchManager::Metadata GetMetadataFromBaseOrUpdate(Core::System& system, u64 application_id) noexcept;

 private:
-    [[nodiscard]] VirtualDir GetModificationLoadRoot(bool sdmc = false) const;
-    [[nodiscard]] std::vector<std::string> GetDisabledAddons() const;
-    void ApplyLayeredFS(VirtualFile& romfs, ContentRecordType type) const;
    [[nodiscard]] std::vector<VirtualFile> CollectPatches(const std::vector<VirtualDir>& patch_dirs,
                                                          const std::string& build_id) const;

    u64 title_id;
-    std::optional<u64> parent_title_id;
    const Service::FileSystem::FileSystemController& fs_controller;
    const ContentProvider& content_provider;
 };
@@ -5,7 +5,6 @@
 // SPDX-License-Identifier: GPL-2.0-or-later

 #include <algorithm>
-#include <limits>
 #include <random>
 #include <regex>
 #include <openssl/evp.h>
@@ -349,22 +348,6 @@ std::vector<ContentProviderEntry> ContentProvider::ListEntries() const {
    return ListEntriesFilter(std::nullopt, std::nullopt, std::nullopt);
 }

-std::optional<u64> ContentProvider::GetParentApplicationId(u64 program_id) const {
-    const auto application_id = GetBaseTitleID(program_id);
-    const auto program_index = program_id - application_id;
-    if (program_index == 0 || program_index > std::numeric_limits<u8>::max()) {
-        return std::nullopt;
-    }
-    if (!ListEntriesFilter(TitleType::Application, ContentRecordType::Meta, program_id).empty()) {
-        return std::nullopt;
-    }
-    if ((!ListEntriesFilter(TitleType::Application, ContentRecordType::Meta, application_id).empty() && HasEntry(program_id, ContentRecordType::Program))
-     || (!ListEntriesFilter(TitleType::Update, ContentRecordType::Meta, GetUpdateTitleID(application_id)).empty() && HasEntry(GetUpdateTitleID(program_id), ContentRecordType::Program))) {
-        return application_id;
-    }
-    return std::nullopt;
-}
-
 PlaceholderCache::PlaceholderCache(VirtualDir dir_) : dir(std::move(dir_)) {}

 bool PlaceholderCache::Create(const NcaID& id, u64 size) const {
@@ -100,8 +100,6 @@ public:
        std::optional<TitleType> title_type = {}, std::optional<ContentRecordType> record_type = {},
        std::optional<u64> title_id = {}) const = 0;

-    [[nodiscard]] std::optional<u64> GetParentApplicationId(u64 program_id) const;
-
 protected:
    // A single instance of KeyManager to be used by GetEntry()
    Core::Crypto::KeyManager& keys = Core::Crypto::KeyManager::Instance();
@@ -1,6 +1,3 @@
-// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
-// SPDX-License-Identifier: GPL-3.0-or-later
-
 // SPDX-FileCopyrightText: Copyright 2018 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later

@@ -12,7 +12,6 @@
 #include "hid_core/frontend/emulated_controller.h"
 #include "hid_core/hid_core.h"
 #include "hid_core/hid_types.h"
-#include <array>

 namespace Core::Frontend {

@@ -30,39 +29,23 @@ void DefaultControllerApplet::ReconfigureControllers(ReconfigureCallback callbac

    const std::size_t min_supported_players =
        parameters.enable_single_mode ? 1 : parameters.min_players;
-    using Core::HID::NpadStyleIndex;
-    const std::size_t max_supported_players = parameters.enable_single_mode ? 1 : parameters.max_players;
-    std::size_t num_selected_players = 0;
-    std::array<bool, HID::HIDCore::available_controllers> keep_connected{};

-    // reserve existing AND valid players before filling slots. include Handheld, but not other
-    for (std::size_t index = 0; index < hid_core.available_controllers - 1; ++index) {
-        const auto* controller = hid_core.GetEmulatedControllerByIndex(index);
-        if (!parameters.keep_controllers_connected || !controller->IsConnected() || num_selected_players >= max_supported_players) continue;
-
-        const auto style = controller->GetNpadStyleIndex();
-        keep_connected[index] =
-            (style == NpadStyleIndex::Fullkey && parameters.allow_pro_controller) ||
-            (style == NpadStyleIndex::JoyconDual && parameters.allow_dual_joycons) ||
-            (style == NpadStyleIndex::JoyconLeft && parameters.allow_left_joycon) ||
-            (style == NpadStyleIndex::JoyconRight && parameters.allow_right_joycon) ||
-            (style == NpadStyleIndex::Handheld && parameters.enable_single_mode && parameters.allow_handheld && !Settings::IsDockedMode()) ||
-            (style == NpadStyleIndex::GameCube && parameters.allow_gamecube_controller);
-        num_selected_players += keep_connected[index];
-    }
+    // Disconnect Handheld first.
    auto* handheld = hid_core.GetEmulatedController(Core::HID::NpadIdType::Handheld);
-    if (!keep_connected[hid_core.available_controllers - 2]) handheld->Disconnect();
+    handheld->Disconnect();

    // Deduce the best configuration based on the input parameters.
    for (std::size_t index = 0; index < hid_core.available_controllers - 2; ++index) {
        auto* controller = hid_core.GetEmulatedControllerByIndex(index);

-        if (keep_connected[index]) continue;
+        // First, disconnect all controllers regardless of the value of keep_controllers_connected.
+        // This makes it easy to connect the desired controllers.
        controller->Disconnect();

-        // only add players still needed to reach the minimum
-        if (num_selected_players >= min_supported_players) continue;
-        ++num_selected_players;
+        // Only connect the minimum number of required players.
+        if (index >= min_supported_players) {
+            continue;
+        }

        // Connect controllers based on the following priority list from highest to lowest priority:
        // Pro Controller -> Dual Joycons -> Left Joycon/Right Joycon -> Handheld
@@ -465,10 +465,6 @@ void KScheduler::ScheduleImplFiber(KernelCore& kernel) {
        // Check if we need scheduling. If we do, then we can't complete the switch and should
        // retry.
        if (m_state.needs_scheduling.load(std::memory_order_seq_cst)) {
-            // Some libc++ lazily init mutex
-            [[maybe_unused]] auto const can_lock = highest_priority_thread->m_context_guard.try_lock();
-            DEBUG_ASSERT(!can_lock);
-
            // Our switch failed.
            // We should unlock the thread context, and then retry.
            highest_priority_thread->m_context_guard.unlock();
@@ -500,10 +496,6 @@ void KScheduler::Unload(KernelCore& kernel, KThread* thread) {

    // Check if the thread is terminated by checking the DPC flags.
    if ((thread->GetStackParameters().dpc_flags & static_cast<u32>(DpcFlag::Terminated)) == 0) {
-        // Some libc++ lazily init mutex
-        [[maybe_unused]] auto const can_lock = thread->m_context_guard.try_lock();
-        DEBUG_ASSERT(!can_lock);
-
        // The thread isn't terminated, so we want to unlock it.
        thread->m_context_guard.unlock();
    }
@@ -1,4 +1,4 @@
-// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
+// SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
 // SPDX-License-Identifier: GPL-3.0-or-later

 // SPDX-FileCopyrightText: Copyright 2020 yuzu Emulator Project
@@ -12,6 +12,7 @@
 #include "common/atomic_ops.h"
 #include "common/common_funcs.h"
 #include "common/common_types.h"
+#include "common/spin_lock.h"

 namespace Kernel {

@@ -29,7 +30,7 @@ public:
    };

 public:
-    KSlabHeapImpl() = default;
+    constexpr KSlabHeapImpl() = default;

    void Initialize() {
        ASSERT(m_head == nullptr);
@@ -67,7 +68,7 @@ public:

 private:
    std::atomic<Node*> m_head{};
-    std::mutex m_lock;
+    Common::SpinLock m_lock;
 };

 } // namespace impl
@@ -19,6 +19,7 @@

 #include "common/intrusive_red_black_tree.h"
 #include "common/scratch_buffer.h"
+#include "common/spin_lock.h"
 #include "core/arm/arm_interface.h"
 #include "core/hle/kernel/k_affinity_mask.h"
 #include "core/hle/kernel/k_light_lock.h"
@@ -919,7 +920,7 @@ private:
    bool m_resource_limit_release_hint{};
    bool m_is_kernel_address_key{};
    StackParameters m_stack_parameters{};
-    std::mutex m_context_guard{};
+    Common::SpinLock m_context_guard{};

    // For emulation
    std::shared_ptr<Common::Fiber> m_host_context{};
@@ -23,12 +23,6 @@ constexpr std::size_t profile_username_size{32};
 using ProfileUsername = std::array<u8, profile_username_size>;
 using UserIDArray = std::array<Common::UUID, MAX_USERS>;

-// This is nn::account::Uid
-struct Uid {
-    std::array<u8, 0x10> unk0;
-};
-static_assert(sizeof(Uid) == 0x10);
-
 /// Contains extra data related to a user.
 /// TODO: RE this structure
 struct UserData {
@@ -29,7 +29,6 @@
 #include "core/hle/service/am/frontend/applet_web_browser.h"
 #include "core/hle/service/am/frontend/applets.h"
 #include "core/hle/service/am/service/storage.h"
-#include "core/hle/service/am/window_system.h"
 #include "core/hle/service/sm/sm.h"

 namespace Service::AM::Frontend {
@@ -73,16 +72,10 @@ void FrontendApplet::PushInteractiveOutData(std::shared_ptr<IStorage> storage) {

 void FrontendApplet::Exit() {
    auto applet_ = applet.lock();
-    {
-        std::scoped_lock lk{applet_->lock};
-        applet_->is_completed = true;
-        applet_->state_changed_event.Signal(system.Kernel());
-    }
-    if (auto caller_applet = applet_->caller_applet.lock()) {
-        std::scoped_lock lk{caller_applet->lock};
-        std::erase(caller_applet->child_applets, applet_);
-    }
-    if (auto* window_system = system.GetAppletManager().GetWindowSystem()) window_system->RequestUpdate();
+
+    std::scoped_lock lk{applet_->lock};
+    applet_->is_completed = true;
+    applet_->state_changed_event.Signal(system.Kernel());
 }

 FrontendAppletSet::FrontendAppletSet() = default;
@@ -92,13 +92,6 @@ public:
        }
    }

-    void RequestFocusStateChangedNotification(Kernel::KernelCore& kernel) {
-        if (m_focus_state_changed_notification_enabled) {
-            m_has_focus_state_changed = true;
-            this->SignalSystemEventIfNeeded(kernel);
-        }
-    }
-
    void OnOperationAndPerformanceModeChanged(Kernel::KernelCore& kernel);

 public:
--- a/Show More
+++ b/Show More
Author	SHA1	Message	Date
CamilleLaVey	6e85c23070	TEST	2026-09-15 05:02:32 -04:00
CamilleLaVey	36b1b23d40	Experiments on window mirroring + add vertex/index to the virtual page	2026-09-15 03:02:55 -04:00
CamilleLaVey	08ba001529	another try to add compute shaders to the uma path	2026-09-14 22:04:56 -04:00
CamilleLaVey	10a75d80eb	Pure and simply meow	2026-09-14 20:15:13 -04:00
CamilleLaVey	8ec648d663	Let's try this on memory reclamations	2026-09-14 20:15:13 -04:00
CamilleLaVey	ebedba1f2c	Extended the impact on AHB fallback	2026-09-14 20:15:13 -04:00
CamilleLaVey	8ebbdc9bee	What if we just rely entirely on SGSR common than using EdgeDir?	2026-09-14 20:15:13 -04:00
CamilleLaVey	0495255867	Another intent	2026-09-14 20:15:13 -04:00
CamilleLaVey	7be3fc3ad5	Just cries internally	2026-09-14 20:15:13 -04:00
CamilleLaVey	a4276b598b	Meow.	2026-09-14 20:15:13 -04:00
CamilleLaVey	122afb04f7	Adjustments on upload for textures	2026-09-14 20:15:12 -04:00
CamilleLaVey	ea3de6ee81	Fix build	2026-09-14 20:15:12 -04:00
CamilleLaVey	32c76f1e0a	Fix msvc build	2026-09-14 20:15:12 -04:00
CamilleLaVey	bce8e0aa6d	[TEST] Bring the unswizzle work from tiled-gpu-v2 x2 + revert of vertex, indexes from AHB path	2026-09-14 20:15:12 -04:00
CamilleLaVey	a4864176f5	Just a quick test	2026-09-14 20:15:12 -04:00
CamilleLaVey	1f2aa7e40b	Added vertex, uniform and indexes on the upload path	2026-09-14 20:15:12 -04:00
CamilleLaVey	ce8c754eb3	Meowly The Build Destroyer	2026-09-14 20:15:12 -04:00
CamilleLaVey	50e59cf09d	Another intent on write/read on the fly	2026-09-14 20:15:11 -04:00
CamilleLaVey	5caa0bd567	Changes on the maps counts again	2026-09-14 20:15:11 -04:00
CamilleLaVey	d93039fb42	Step back + keeping fixes from unified download + shared mem refactor	2026-09-14 20:15:11 -04:00
CamilleLaVey	17463f7b0d	another take	2026-09-14 20:15:11 -04:00
CamilleLaVey	0ebf1ff07c	Keep AHB limitations	2026-09-14 20:15:11 -04:00
CamilleLaVey	c0c0af6085	[TEST] Another increased on windows size	2026-09-14 20:15:11 -04:00
CamilleLaVey	a8589321bc	Increased windows size	2026-09-14 20:15:11 -04:00
CamilleLaVey	ce864eac38	[TEST] Increased window limiter on AHB	2026-09-14 20:15:11 -04:00
CamilleLaVey	4a3a2c0a11	[TEST] Adjustment AHB to tiled-gpu-v2 state	2026-09-14 20:15:10 -04:00
CamilleLaVey	42636ba127	[memory, vulkan] Initial implementation for Unified Memory	2026-09-14 20:15:10 -04:00