2026-09-23 11:51:29

Signed-off-by: lizzie <lizzie@eden-emu.dev>
2026-09-23 09:25:56
2026-09-30 20:21:14 +00:00 · 2026-09-23 11:51:29 +00:00 · 2026-09-23 09:25:56 +00:00 · 2026-09-23 10:42:17 +02:00 · 2026-09-23 10:42:17 +02:00 · 2026-09-23 10:42:17 +02:00
134 changed files with 16662 additions and 14980 deletions
@@ -1,13 +0,0 @@
-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();
- };
- 
- 
@@ -417,12 +417,9 @@ AddJsonPackage(boost)
 set(BOOST_NO_HEADERS ${Boost_ADDED})

 if (Boost_ADDED)
-    if (MSVC OR ANDROID)
-        add_compile_definitions(YUZU_BOOST_v1)
-    endif()
-
+    add_compile_definitions(YUZU_BOOST_v1)
    if (NOT MSVC OR CXX_CLANG)
-        # boost sucks
+        # solaris sucks
        if (SOLARIS)
            add_compile_options($<$<COMPILE_LANGUAGE:C,CXX>:-pthreads>)
        endif()
@@ -431,8 +428,7 @@ 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()

@@ -6,22 +6,19 @@
        "version": "v0.19.0"
    },
    "boost": {
-        "artifact": "%VERSION%-cmake.tar.xz",
+        "artifact": "boost-%VERSION%.tar.zst",
        "find_args": "CONFIG OPTIONAL_COMPONENTS headers context system fiber filesystem",
-        "hash": "6ae6e94664fe7f2fb01976b59b276ac5df8085c7503fa829d810fbfe495960cfec44fa2c36e2cb23480bc19c956ed199d4952b02639a00a6c07625d4e7130c2d",
+        "hash": "681d97be4386767662e230b2e7c9754d45e709cc5db4e747c23c27d1f5b0e87770bdf19b0bc44dcb0e8349324887bbb8fffb432098f4d0ce74a5043021a90afc",
        "min_version": "1.57",
        "package": "Boost",
-        "patches": [
-            "0001-clang-cl.patch"
-        ],
-        "repo": "boostorg/boost",
-        "version": "boost-1.90.0"
+        "repo": "eden-emulator/ext-boost",
+        "version": "1.92.0"
    },
    "boost_headers": {
        "bundled": true,
-        "hash": "4ef845775e2277a8104ded6ddf749aa262ce52cf8438042869a048f9a0156dd772fbbcfa74efa1378fecef339b7286f6fe4b4feb5c45d49966b35d08e3e83507",
+        "hash": "c5fa2cd72f6e6666b7963b97bc359c75284b8fb540c30f3629a028b85270c9bc66c8a051383964f2bd4c1e005a4691593d15696e7ef39ea87cf6cff9e5691fb2",
        "repo": "boostorg/headers",
-        "version": "boost-1.90.0"
+        "version": "boost-1.91.0"
    },
    "catch2": {
        "hash": "7eea385d79d88a5690cde131fe7ccda97d5c54ea09d6f515000d7bf07c828809d61c1ac99912c1ee507cf933f61c1c47ecdcc45df7850ffa82714034b0fccf35",
@@ -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) {
-    u64 program_id = EmulationSession::GetProgramId(env, jprogramId);
+    const u64 program_id = FileSys::GetBaseTitleID(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")) {
-                auto update_id = nca_details.second->GetTitleId() & ~0xFFFULL;
+                const auto update_id = FileSys::GetBaseTitleID(nca_details.second->GetTitleId());
                if (update_id == program_id) {
                    return true;
                }
@@ -289,6 +289,7 @@
    <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>
@@ -318,6 +318,13 @@
    <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>
@@ -328,12 +335,14 @@
    <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>
@@ -1,6 +1,7 @@
 <?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>
@@ -290,6 +291,25 @@
    <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>
@@ -304,6 +324,13 @@
    <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>
@@ -314,12 +341,14 @@
    <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>
@@ -611,6 +640,11 @@
    <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>
@@ -894,6 +928,8 @@
    <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$s</string>
@@ -229,7 +229,7 @@
    <string name="add_directory_success">遊戲目錄新增成功</string>
    <string name="enable_update_checks">檢查更新</string>
    <string name="enable_update_checks_description">在Eden啟動時檢查有無新版本並選擇是否要下載與安裝更新</string>
-    <string name="update_available">偵測到新版本</string>
+    <string name="update_available">發現新版本</string>
    <string name="update_available_description">有更新可供安裝：%1$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>
@@ -1020,9 +1020,40 @@
    <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">攝氏度</string>
-    <string name="temperature_fahrenheit">華氏度</string>
+    <string name="temperature_celsius">攝氏</string>
+    <string name="temperature_fahrenheit">華氏</string>

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

    <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 -->
@@ -12,7 +12,7 @@
 namespace AudioCore {

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

 namespace AudioCore::AudioIn {

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

-Result Manager::AcquireSessionId(size_t& session_id) {
+Result Manager::AcquireSessionId(Core::System& system, 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(size_t& session_id) {
    return ResultSuccess;
 }

-void Manager::ReleaseSessionId(const size_t session_id) {
+void Manager::ReleaseSessionId(Core::System& system, 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;
@@ -41,21 +41,20 @@ void Manager::ReleaseSessionId(const size_t session_id) {
    applet_resource_user_ids[session_id] = 0;
 }

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

    return ResultSuccess;
 }

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

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

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

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

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

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

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

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

    /**
     * Get a list of audio in device names.
@@ -64,10 +65,8 @@ public:
     *
     * @return Number of names written.
     */
-    u32 GetDeviceNames(std::span<Renderer::AudioDevice::AudioDeviceName> names, bool filter);
+    u32 GetDeviceNames(Core::System& system, 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() {
-    thread = std::jthread([this](std::stop_token stop_token) {
+AudioManager::AudioManager(Core::System& system) {
+    thread = std::jthread([&](std::stop_token stop_token) {
        Common::SetCurrentThreadName("AudioManager");
        std::unique_lock l{events.GetAudioEventLock()};
        events.ClearEvents();
@@ -25,7 +25,7 @@ AudioManager::AudioManager() {
                const auto event_type = Event::Type(i);
                if (events.CheckAudioEventSet(event_type) || timed_out) {
                    if (buffer_events[i]) {
-                        buffer_events[i]();
+                        buffer_events[i](buffer_data[i], system);
                    }
                }
                events.SetAudioEvent(event_type, false);
@@ -42,12 +42,13 @@ void AudioManager::Shutdown() {
    }
 }

-Result AudioManager::SetOutManager(BufferEventFunc buffer_func) {
+Result AudioManager::SetOutManager(void *data, 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);
        }
@@ -56,12 +57,13 @@ Result AudioManager::SetOutManager(BufferEventFunc buffer_func) {
    return Service::Audio::ResultOperationFailed;
 }

-Result AudioManager::SetInManager(BufferEventFunc buffer_func) {
+Result AudioManager::SetInManager(void *data, 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);
        }
@@ -16,6 +16,10 @@

 #include "audio_core/audio_event.h"

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

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

    /**
     * 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(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(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);
+    /// 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);

    /**
     * Set an event to signalled, and signal the thread.
@@ -73,8 +70,9 @@ private:
    bool needs_update{};
    /// Events to be set and signalled
    Event events{};
-    /// Callbacks for each manager
+    /// Callbacks (and user data) 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_) : system{system_} {
+Manager::Manager(Core::System& system) {
    std::iota(session_ids.begin(), session_ids.end(), 0);
    num_free_sessions = MaxOutSessions;
 }

-Result Manager::AcquireSessionId(size_t& session_id) {
+Result Manager::AcquireSessionId(Core::System& system, 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(size_t& session_id) {
    return ResultSuccess;
 }

-void Manager::ReleaseSessionId(const size_t session_id) {
+void Manager::ReleaseSessionId(Core::System& system, 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;
@@ -40,44 +40,36 @@ void Manager::ReleaseSessionId(const size_t session_id) {
    applet_resource_user_ids[session_id] = 0;
 }

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

    return ResultSuccess;
 }

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

-void Manager::BufferReleaseAndRegister() {
-    std::scoped_lock l{mutex};
-    for (auto& session : sessions) {
+void Manager::BufferReleaseAndRegister(void *data, Core::System& system) noexcept {
+    Manager* this_ = (Manager*)data;
+    std::scoped_lock l{this_->mutex};
+    for (auto& session : this_->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
@@ -1,3 +1,6 @@
+// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
 // SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later

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

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

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

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

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

-    /**
-     * 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{system_}
-    , system_manager{std::make_unique<SystemManager>(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(System& system_) {
+bool Manager::AddSystem(Renderer::System& system_) {
    return system_manager->Add(system_);
 }

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

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

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

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

    /**
     * Free a session id when the system wants to shut down.
@@ -89,8 +92,6 @@ 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
@@ -1,3 +1,6 @@
+// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
 // SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later

@@ -8,42 +11,43 @@
 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_}, system{system_, event,
-                                                                            session_id_} {}
+    : manager{manager_}, parent_mutex{manager.mutex}, event{event_}
+    , audio_system{system_, event, session_id_}
+{}

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

@@ -8,42 +11,43 @@
 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_}, system{system_, event,
-                                                                            session_id_} {}
+    : manager{manager_}, parent_mutex{manager.mutex}, event{event_}
+    , audio_system{system_, event, session_id_}
+{}

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

-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} {}
+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}
+{}

 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{static_cast<u32>((std::min)(out_buffer.size(), names.size()))};
-    for (u32 i = 0; i < out_count; i++) {
+    const u32 out_count = 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{static_cast<u32>((std::min)(out_buffer.size(), output_device_names.size()))};
-
-    for (u32 i = 0; i < out_count; i++) {
+    const u32 out_count = 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(const f32 volume) {
-    output_sink.SetDeviceVolume(volume);
+void AudioDevice::SetDeviceVolumes(Core::System& system, const f32 volume) {
+    system.AudioCore().GetOutputSink().SetDeviceVolume(volume);
 }

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

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

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

    /**
     * Get the volume for a given device name.
@@ -63,11 +66,9 @@ public:
     * @param name - Name of the device to check. Unused.
     * @return Volume of the device.
     */
-    f32 GetDeviceVolume(std::string_view name) const;
+    f32 GetDeviceVolume(Core::System& system, 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
@@ -1,3 +1,6 @@
+// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
 // SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later

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

 Renderer::Renderer(Core::System& system_, Manager& manager_, Kernel::KEvent* rendered_event)
-    : core{system_}, manager{manager_}, system{system_, rendered_event} {}
+    : manager{manager_}
+    , audio_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(system)) {
-            LOG_ERROR(Service_Audio,
-                      "Both Audio Render sessions are in use, cannot create any more");
+        if (!manager.AddSystem(audio_system)) {
+            LOG_ERROR(Service_Audio, "Both Audio Render sessions are in use, cannot create any more");
            return Service::Audio::ResultOutOfSessions;
        }
        system_registered = true;
    }
-
-    initialized = true;
-    system.Initialize(params, transfer_memory, transfer_memory_size, process_handle,
-                      applet_resource_user_id, session_id);
-
+    audio_system.Initialize(params, transfer_memory, transfer_memory_size, process_handle, applet_resource_user_id, session_id);
    return ResultSuccess;
 }

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

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

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

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

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

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

@@ -83,16 +86,12 @@ 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 system;
+    System audio_system;
 };

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

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

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

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

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

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

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

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

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

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

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

@@ -219,12 +222,8 @@ 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 2025 Eden Emulator Project
+// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
 // SPDX-License-Identifier: GPL-3.0-or-later

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

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

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

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

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

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

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

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

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

 u64 WallClock::NsToTicks(std::chrono::nanoseconds ns) const {
-    return invariant ? MultiplyHigh(ns.count(), rdtsc_ns_factor) : ns.count();
+    return ns.count() * rdtsc_ns_integer + MultiplyHigh(ns.count(), rdtsc_ns_factor);
 }
 #elif defined(HAS_NCE)
 namespace {
@@ -416,7 +417,7 @@ 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
@@ -96,6 +96,7 @@ 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;
@@ -17,35 +17,33 @@

 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),
-                               reinterpret_cast<LPSTR>(&err_str), 1, nullptr);
-    if (!res) {
-        return "(FormatMessageA failed to format error)";
+                               LPSTR(&err_str), 1, nullptr);
+    if (res) {
+        std::string ret(err_str);
+        LocalFree(err_str);
+        return ret;
    }
-    std::string ret(err_str);
-    LocalFree(err_str);
-    return ret;
+    return "(FormatMessageA failed to format error)";
 #else
    char err_str[255];
-#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.
+    return HandleStrerrorR(strerror_r(e, err_str, sizeof(err_str)), err_str);
 #endif // _WIN32
 }

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

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

-    const bool absolute = !path.empty() && path[0] == type2;
-    std::vector<std::string_view> parts;
+    std::string root;
+    std::string_view components{path};
+    bool drive_relative = false;

-    for (const auto part : SplitPathComponents(path))
-    {
-        if (part.empty() || part == ".")
-            continue;
-        if (part == ".." && !parts.empty() && parts.back() != "..")
-            parts.pop_back();
-        else if (part != "..") parts.push_back(part);
+#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);
    }

-    std::string resolved = absolute ? std::string(1, type2) : std::string{};
-    for (std::size_t i = 0; i < parts.size(); ++i)
-    {
-        if (i != 0)
+    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
+
+    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 == ".") {
+            continue;
+        } else if (part == "..") {
+            if (parts.size() > root_component_count) {
+                parts.pop_back();
+            }
+        } else {
+            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))
            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));
 }

@@ -347,8 +347,9 @@ 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);

-// Removes trailing slash, makes all '\\' into '/', and removes duplicate '/'. Makes '/' into '\\'
-// depending if directory_separator is BackwardSlash or PlatformDefault and running on windows
+// 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.
 [[nodiscard]] std::string SanitizePath(
    std::string_view path,
    DirectorySeparator directory_separator = DirectorySeparator::ForwardSlash);
@@ -96,15 +96,15 @@ struct PageTable {
        }

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

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

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

@@ -38,7 +38,8 @@ 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>
-requires std::is_trivially_copyable_v<T>
+    // MSVC doesn't regard structs with atomics as trivially copyable
+    // requires std::is_trivially_copyable_v<T>
 class SparseLargeVector final {
 public:
    constexpr SparseLargeVector() = default;
@@ -1,50 +0,0 @@
-// 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, 20> sha1) {
+UUID UUID::MakeRFC4122V5(std::span<u8, 16> sha1) {
    UUID uuid{};
-    std::memcpy(&uuid.uuid, sha1.data(), sizeof(UUID));
+    std::memcpy(&uuid.uuid, sha1.data(), sha1.size());
    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, 20> sha1);
+    [[nodiscard]] static UUID MakeRFC4122V5(std::span<u8, 16> sha1);

    friend constexpr bool operator==(const UUID& lhs, const UUID& rhs) = default;
 };
@@ -796,6 +796,8 @@ 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
@@ -22,21 +22,15 @@ DynarmicCallbacks32::DynarmicCallbacks32(ArmDynarmic32& parent, Kernel::KProcess
    , m_check_memory_access{m_debugger_enabled || !Settings::values.cpuopt_ignore_memory_aborts.GetValue()}
 {}

-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);
+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();
+    }
 }

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

-void DynarmicCallbacks32::MemoryWrite8(u32 vaddr, u8 value) {
-    if (CheckMemoryAccess(vaddr, 1, Kernel::DebugWatchpointType::Write)) {
-        m_memory.Write8(vaddr, value);
+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::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);
@@ -177,7 +161,7 @@ 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 = 0;
+        config.page_table_marked_bit = uint8_t(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;
@@ -193,7 +177,7 @@ 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 = Common::PageTable::SIGN_BIT;
+            config.page_table_sign_extension = std::uint8_t(Common::PageTable::SIGN_BIT);
        }
    }

@@ -30,18 +30,12 @@ class System;
 class DynarmicCallbacks32 : public Dynarmic::A32::UserCallbacks {
 public:
    explicit DynarmicCallbacks32(ArmDynarmic32& parent, Kernel::KProcess* process);
-    u8 MemoryRead8(u32 vaddr) override;
-    u16 MemoryRead16(u32 vaddr) override;
-    u32 MemoryRead32(u32 vaddr) override;
-    u64 MemoryRead64(u32 vaddr) override;
+    u64 MemoryRead(u32 vaddr, size_t size) override;
    std::optional<u32> MemoryReadCode(u32 vaddr) override;
    void InstructionSynchronizationBarrierRaised() override {
        last_code_addr = u64(-1); //reset back, force refetch
    }
-    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;
+    void MemoryWrite(Dynarmic::A32::VAddr vaddr, u64 value, size_t size) 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;
@@ -10,6 +10,7 @@
 #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 {

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

-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);
+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();
+    }
 }
 Dynarmic::A64::Vector DynarmicCallbacks64::MemoryRead128(u64 vaddr) {
    CheckMemoryAccess(vaddr, 16, Kernel::DebugWatchpointType::Read);
@@ -53,24 +48,15 @@ std::optional<u32> DynarmicCallbacks64::MemoryReadCode(u64 vaddr) {
    return cached_code_page.inst[(vaddr & Core::Memory::YUZU_PAGEMASK) / sizeof(u32)];
 }

-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::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::MemoryWrite128(u64 vaddr, Dynarmic::A64::Vector value) {
@@ -216,7 +202,7 @@ 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 = 0;
+        config.page_table_marked_bit = uint8_t(0);
        config.silently_mirror_page_table = false;
        config.absolute_offset_page_table = true;
        config.detect_misaligned_access_via_page_table = 16 | 32 | 64 | 128;
@@ -235,7 +221,7 @@ 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 = Common::PageTable::SIGN_BIT;
+            config.page_table_sign_extension = std::uint8_t(Common::PageTable::SIGN_BIT);
        }
    }

@@ -16,6 +16,7 @@
 #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;
@@ -36,19 +37,13 @@ class DynarmicCallbacks64 : public Dynarmic::A64::UserCallbacks {
 public:
    explicit DynarmicCallbacks64(ArmDynarmic64& parent, Kernel::KProcess* process);

-    u8 MemoryRead8(u64 vaddr) override;
-    u16 MemoryRead16(u64 vaddr) override;
-    u32 MemoryRead32(u64 vaddr) override;
-    u64 MemoryRead64(u64 vaddr) override;
+    u64 MemoryRead(u64 vaddr, size_t size) 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 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 MemoryWrite(Dynarmic::A64::VAddr vaddr, u64 value, std::size_t size) 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;
@@ -35,19 +35,22 @@ 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;

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

+    auto in_data = in->ReadAllBytes();
+    if (in_data.size() == 0)
+        return nullptr;
+
    std::vector<u8> temp(type == IPSFileType::IPS ? 3 : 4);
    u64 offset = 5; // After header
    while (ips->Read(temp.data(), temp.size(), offset) == temp.size()) {
@@ -100,8 +103,7 @@ VirtualFile PatchIPS(const VirtualFile& in, const VirtualFile& ips) {


 struct IPSwitchRecord {
-    std::array<uint8_t, 256 - sizeof(size_t)> data;
-    size_t count;
+    std::vector<uint8_t> data;
 };
 struct IPSwitchCompiler::IPSwitchPatch {
    ::Common::unordered_map<u32, IPSwitchRecord> records;
@@ -122,22 +124,23 @@ static IPSwitchRecord EscapeStringSequences(std::string_view sv) {
    IPSwitchRecord r{};
    for (auto it = sv.cbegin(); it < sv.cend(); ) {
        if (*it == '\\' && it + 1 < sv.cend()) {
-            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;
+            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];
+                }
+            }());
            it += 2;
        } else {
-            ++r.count;
+            r.data.push_back(*it);
            ++it;
        }
    }
@@ -223,8 +226,8 @@ 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 {
@@ -293,7 +296,7 @@ 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.count;
+                    auto replace_size = record.second.data.size();
                    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);
@@ -9,6 +9,7 @@
 #include <cstddef>
 #include <cstring>

+#include "common/assert.h"
 #include "common/hex_util.h"
 #include "common/logging.h"
 #include "common/settings.h"
@@ -156,12 +157,15 @@ 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_}, fs_controller{fs_controller_}, content_provider{content_provider_} {}
+    : title_id{title_id_}, parent_title_id{GetParentApplicationId(std::addressof(content_provider_), title_id_)}, fs_controller{fs_controller_}, content_provider{content_provider_} {}

 PatchManager::~PatchManager() = default;

@@ -169,13 +173,35 @@ 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 = Settings::values.disabled_addons[title_id];
+    const auto disabled = GetDisabledAddons();

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

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

    std::vector<VirtualDir> patch_dirs = {sdmc_load_dir};
    if (load_dir != nullptr) {
@@ -346,7 +372,7 @@ 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 = Settings::values.disabled_addons[title_id];
+    const auto disabled = GetDisabledAddons();
    const auto nso_build_id = fmt::format("{:0<64}", build_id);

    std::vector<VirtualFile> out;
@@ -405,7 +431,7 @@ 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 = fs_controller.GetModificationLoadRoot(title_id);
+    const auto load_dir = GetModificationLoadRoot();
    if (load_dir == nullptr) {
        LOG_ERROR(Loader, "Cannot load mods for invalid title_id={:016X}", title_id);
        return nso;
@@ -448,7 +474,7 @@ 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 = fs_controller.GetModificationLoadRoot(title_id);
+    const auto load_dir = GetModificationLoadRoot();
    if (load_dir == nullptr) {
        LOG_ERROR(Loader, "Cannot load mods for invalid title_id={:016X}", title_id);
        return false;
@@ -462,13 +488,13 @@ 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 = fs_controller.GetModificationLoadRoot(title_id);
+    const auto load_dir = GetModificationLoadRoot();
    if (load_dir == nullptr) {
        LOG_ERROR(Loader, "Cannot load mods for invalid title_id={:016X}", title_id);
        return {};
    }

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

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

-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);
+void PatchManager::ApplyLayeredFS(VirtualFile& romfs, ContentRecordType type) const {
+    const auto load_dir = GetModificationLoadRoot();
+    const auto sdmc_load_dir = GetModificationLoadRoot(true);
    if ((type != ContentRecordType::Program && type != ContentRecordType::Data &&
         type != ContentRecordType::HtmlDocument) ||
        (load_dir == nullptr && sdmc_load_dir == nullptr)) {
        return;
    }

-    const auto& disabled = Settings::values.disabled_addons[title_id];
+    const auto disabled = GetDisabledAddons();
    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);
@@ -591,7 +616,7 @@ VirtualFile PatchManager::PatchRomFS(const NCA* base_nca, VirtualFile base_romfs

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

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

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

    return romfs;
@@ -1072,15 +1097,22 @@ 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)) {
-        return content_provider.GetEntryVersion(update_tid);
+        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(title_id);
+    const auto version = content_provider.GetEntryVersion(title_id);
+    return version || !parent_title_id ? version : content_provider.GetEntryVersion(*parent_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 {};
    }

@@ -109,10 +109,14 @@ 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;
 };
@@ -5,6 +5,7 @@
 // SPDX-License-Identifier: GPL-2.0-or-later

 #include <algorithm>
+#include <limits>
 #include <random>
 #include <regex>
 #include <openssl/evp.h>
@@ -348,6 +349,22 @@ 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 {
@@ -100,6 +100,8 @@ 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();
@@ -1,3 +1,6 @@
+// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
 // SPDX-FileCopyrightText: Copyright 2018 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later

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

 namespace Core::Frontend {

@@ -29,23 +30,39 @@ 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{};

-    // Disconnect Handheld first.
+    // 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];
+    }
    auto* handheld = hid_core.GetEmulatedController(Core::HID::NpadIdType::Handheld);
-    handheld->Disconnect();
+    if (!keep_connected[hid_core.available_controllers - 2]) 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);

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

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

        // Connect controllers based on the following priority list from highest to lowest priority:
        // Pro Controller -> Dual Joycons -> Left Joycon/Right Joycon -> Handheld
@@ -465,6 +465,10 @@ 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();
@@ -496,6 +500,10 @@ 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 2025 Eden Emulator Project
+// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
 // SPDX-License-Identifier: GPL-3.0-or-later

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

 namespace Kernel {

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

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

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

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

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

 #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"
@@ -920,7 +919,7 @@ private:
    bool m_resource_limit_release_hint{};
    bool m_is_kernel_address_key{};
    StackParameters m_stack_parameters{};
-    Common::SpinLock m_context_guard{};
+    std::mutex m_context_guard{};

    // For emulation
    std::shared_ptr<Common::Fiber> m_host_context{};
@@ -23,6 +23,12 @@ 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 {
@@ -29,6 +29,7 @@
 #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 {
@@ -72,10 +73,16 @@ 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());
+    {
+        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();
 }

 FrontendAppletSet::FrontendAppletSet() = default;
@@ -92,6 +92,13 @@ 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:
@@ -347,21 +347,22 @@ Result IApplicationFunctions::NotifyRunning(Out<bool> out_became_running) {

 Result IApplicationFunctions::GetPseudoDeviceId(Out<Common::UUID> out_pseudo_device_id) {
    LOG_WARNING(Service_AM, "(stubbed)");
-    R_UNLESS(out_pseudo_device_id, ResultUnknown);
+    R_UNLESS(out_pseudo_device_id != nullptr, ResultUnknown);

    // This should be hashed with the device specific hash
    // for now this will do
    const auto res = FileSys::PatchManager::GetMetadataFromBaseOrUpdate(system, m_applet->program_id);
-    u8 hash[EVP_MAX_MD_SIZE];
+    R_UNLESS(res.first != nullptr, ResultUnknown);
+    std::array<u8, EVP_MAX_MD_SIZE> hash;
    unsigned int hash_len = 0;
    auto const seed = res.first->raw.seed_for_pseudo_device_id;
    EVP_MD_CTX *ctx = EVP_MD_CTX_new();
    auto const algorithm = EVP_sha1();
    EVP_DigestInit_ex(ctx, algorithm, nullptr);
    EVP_DigestUpdate(ctx, &seed, sizeof(seed));
-    EVP_DigestFinal_ex(ctx, hash, &hash_len);
+    EVP_DigestFinal_ex(ctx, hash.data(), &hash_len);
    EVP_MD_CTX_free(ctx);
-    *out_pseudo_device_id = Common::UUID::MakeRFC4122V5(std::span<u8, 20>{hash, std::size(hash)});
+    *out_pseudo_device_id = Common::UUID::MakeRFC4122V5(std::span<u8, 16>{hash.begin(), hash.begin() + 16});
    R_SUCCEED();
 }

@@ -164,14 +164,14 @@ Result ILibraryAppletAccessor::PushInData(SharedPointer<IStorage> storage) {
 Result ILibraryAppletAccessor::PopOutData(Out<SharedPointer<IStorage>> out_storage) {
    LOG_DEBUG(Service_AM, "called");

-    if (auto caller_applet = m_applet->caller_applet.lock(); caller_applet) {
-        caller_applet->lifecycle_manager.GetSystemEvent().Signal(system.Kernel());
-        caller_applet->lifecycle_manager.RequestResumeNotification();
-        caller_applet->lifecycle_manager.GetSystemEvent().Clear(system.Kernel());
-        caller_applet->lifecycle_manager.UpdateRequestedFocusState();
-    }
-
    R_TRY(m_broker->GetOutData().Pop(system.Kernel(), out_storage.Get()));
+    if (auto caller_applet = m_applet->caller_applet.lock(); caller_applet) {
+        std::scoped_lock lk{caller_applet->lock};
+        const bool focus_state_changed = caller_applet->lifecycle_manager.UpdateRequestedFocusState();
+        const bool is_front_app = m_applet->frontend && caller_applet->lifecycle_manager.IsApplication();
+        if (focus_state_changed) caller_applet->lifecycle_manager.SignalSystemEventIfNeeded(system.Kernel());
+        else if (is_front_app) caller_applet->lifecycle_manager.RequestFocusStateChangedNotification(system.Kernel());
+    }

    if (m_applet->applet_id == AppletId::ProfileSelect && *out_storage) {
        auto impl = (*out_storage)->GetImpl();
@@ -122,7 +122,10 @@ std::shared_ptr<ILibraryAppletAccessor> CreateGuestApplet(Core::System& system,
        auto broker = std::make_shared<AppletDataBroker>(system);
        applet->caller_applet = caller_applet;
        applet->caller_applet_broker = broker;
-        caller_applet->child_applets.push_back(applet);
+        {
+            std::scoped_lock lk{caller_applet->lock};
+            caller_applet->child_applets.push_back(applet);
+        }
        window_system.TrackApplet(applet, false);
        return std::make_shared<ILibraryAppletAccessor>(system, broker, applet);
    }
@@ -148,10 +151,10 @@ std::shared_ptr<ILibraryAppletAccessor> CreateFrontendApplet(Core::System& syste
    applet->caller_applet = caller_applet;
    applet->caller_applet_broker = storage;
    applet->frontend = system.GetFrontendAppletHolder().GetApplet(applet, applet_id, mode);
-    caller_applet->child_applets.push_back(applet);
-
-    window_system.TrackApplet(applet, false);
-
+    {
+        std::scoped_lock lk{caller_applet->lock};
+        caller_applet->child_applets.push_back(applet);
+    }
    return std::make_shared<ILibraryAppletAccessor>(system, storage, applet);
 }

@@ -97,7 +97,7 @@ Result IAudioDevice::SetAudioDeviceOutputVolumeAuto(
    LOG_DEBUG(Service_Audio, "called. name={}, volume={}", device_name, volume);

    if (device_name == "AudioTvOutput") {
-        impl->SetDeviceVolumes(volume);
+        impl->SetDeviceVolumes(system, volume);
    }

    R_SUCCEED();
@@ -112,7 +112,7 @@ Result IAudioDevice::GetAudioDeviceOutputVolumeAuto(

    *out_volume = 1.0f;
    if (device_name == "AudioTvOutput") {
-        *out_volume = impl->GetDeviceVolume(device_name);
+        *out_volume = impl->GetDeviceVolume(system, device_name);
    }

    R_SUCCEED();
@@ -50,7 +50,7 @@ IAudioIn::IAudioIn(Core::System& system_, Manager& manager, size_t session_id,
 }

 IAudioIn::~IAudioIn() {
-    impl->Free();
+    impl->Free(system);
    service_context.CloseEvent(event);
    process->Close(system.Kernel());
 }
@@ -1,3 +1,6 @@
+// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
 // SPDX-FileCopyrightText: Copyright 2024 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later

@@ -65,7 +68,7 @@ Result IAudioInManager::OpenAudioInAuto(
 Result IAudioInManager::ListAudioInsAutoFiltered(
    OutArray<AudioDeviceName, BufferAttr_HipcAutoSelect> out_audio_ins, Out<u32> out_count) {
    LOG_DEBUG(Service_Audio, "called");
-    *out_count = impl->GetDeviceNames(out_audio_ins, true);
+    *out_count = impl->GetDeviceNames(system, out_audio_ins, true);
    R_SUCCEED();
 }

@@ -90,8 +93,8 @@ Result IAudioInManager::OpenAudioInProtocolSpecified(

    size_t new_session_id{};

-    R_TRY(impl->LinkToManager());
-    R_TRY(impl->AcquireSessionId(new_session_id));
+    R_TRY(impl->LinkToManager(system));
+    R_TRY(impl->AcquireSessionId(system, new_session_id));

    LOG_DEBUG(Service_Audio, "Opening new AudioIn, session_id={}, free sessions={}", new_session_id,
              impl->num_free_sessions);
@@ -46,7 +46,7 @@ IAudioOut::IAudioOut(Core::System& system_, Manager& manager, size_t session_id,
 }

 IAudioOut::~IAudioOut() {
-    impl->Free();
+    impl->Free(system);
    service_context.CloseEvent(event);
    process->Close(system.Kernel());
 }
@@ -77,8 +77,8 @@ Result IAudioOutManager::OpenAudioOutAuto(
    }

    size_t new_session_id{};
-    R_TRY(impl->LinkToManager());
-    R_TRY(impl->AcquireSessionId(new_session_id));
+    R_TRY(impl->LinkToManager(system));
+    R_TRY(impl->AcquireSessionId(system, new_session_id));

    const auto device_name = Common::StringFromBuffer(name[0].name);
    LOG_DEBUG(Service_Audio, "Opening new AudioOut, sessionid={}, free sessions={}", new_session_id,
@@ -154,6 +154,9 @@ FSP_SRV::FSP_SRV(Core::System& system_)
        {720, nullptr, "AbandonAccessFailure"},
        {800, nullptr, "GetAndClearFileSystemProxyErrorInfo"},
        {810, nullptr, "RegisterProgramIndexMapInfo"},
+        {820, nullptr, "GetContentStorageInfoIndex"},
+        {830, nullptr, "EncryptStreamPlaySaveData"},
+        {831, nullptr, "DecryptStreamPlaySaveData"},
        {1000, nullptr, "SetBisRootForHost"},
        {1001, nullptr, "SetSaveDataSize"},
        {1002, nullptr, "SetSaveDataRootPath"},
@@ -121,7 +121,7 @@ IHidSystemServer::IHidSystemServer(Core::System& system_, std::shared_ptr<Resour
        {547, nullptr, "GetAllowedBluetoothLinksCount"},
        {548, &IHidSystemServer::GetRegisteredDevices, "GetRegisteredDevices"},
        {549, nullptr, "GetConnectableRegisteredDevices"},
-        {551, nullptr, "GetRegisteredDevicesForControllerSupport"}, //20.0.0+
+        {551, &IHidSystemServer::GetRegisteredDevices, "GetRegisteredDevicesForControllerSupport"}, //20.0.0+ //mocked via 548 for Diablo 3 (at least)
        {700, nullptr, "ActivateUniquePad"},
        {702, &IHidSystemServer::AcquireUniquePadConnectionEventHandle, "AcquireUniquePadConnectionEventHandle"},
        {703, &IHidSystemServer::GetUniquePadIds, "GetUniquePadIds"},
@@ -758,7 +758,7 @@ void IHidSystemServer::AcquireDeviceRegisteredEventForControllerSupport(HLEReque
 }

 void IHidSystemServer::GetRegisteredDevices(HLERequestContext& ctx) {
-    LOG_WARNING(Service_HID, "(STUBBED) called");
+    LOG_WARNING(Service_HID, "(STUBBED) called, command={}", ctx.GetCommand()); //548 or 551

    struct RegisterData {
        std::array<u8, 0x68> data;
@@ -22,6 +22,7 @@

 namespace IPC {

+constexpr Result ResultNotSupported{ErrorModule::HIPC, 1};
 constexpr Result ResultSessionClosed{ErrorModule::HIPC, 301};

 struct ResponseBuilder {
@@ -71,17 +71,14 @@ public:
    void InstructionSynchronizationBarrierRaised() override {
        last_code_addr = u64(-1); //reset back, force refetch
    }
-    u8 MemoryRead8(u64 vaddr) override {
-        return ReadMemory<u8>(vaddr);
-    }
-    u16 MemoryRead16(u64 vaddr) override {
-        return ReadMemory<u16>(vaddr);
-    }
-    u32 MemoryRead32(u64 vaddr) override {
-        return ReadMemory<u32>(vaddr);
-    }
-    u64 MemoryRead64(u64 vaddr) override {
-        return ReadMemory<u64>(vaddr);
+    u64 MemoryRead(u64 vaddr, size_t size) override {
+        switch (size) {
+        case sizeof(u64): return ReadMemory<u64>(vaddr);
+        case sizeof(u32): return ReadMemory<u32>(vaddr);
+        case sizeof(u16): return ReadMemory<u16>(vaddr);
+        case sizeof(u8): return ReadMemory<u8>(vaddr);
+        default: UNREACHABLE();
+        }
    }
    u128 MemoryRead128(u64 vaddr) override {
        return ReadMemory<u128>(vaddr);
@@ -89,22 +86,19 @@ public:
    std::string MemoryReadCString(u64 vaddr) {
        std::string result{};
        u8 next;
-        while ((next = MemoryRead8(vaddr++)) != 0)
+        while ((next = u8(MemoryRead(vaddr++, sizeof(u8)))) != 0)
            result += char(next);
        return result;
    }

-    void MemoryWrite8(u64 vaddr, u8 value) override {
-        WriteMemory<u8>(vaddr, value);
-    }
-    void MemoryWrite16(u64 vaddr, u16 value) override {
-        WriteMemory<u16>(vaddr, value);
-    }
-    void MemoryWrite32(u64 vaddr, u32 value) override {
-        WriteMemory<u32>(vaddr, value);
-    }
-    void MemoryWrite64(u64 vaddr, u64 value) override {
-        WriteMemory<u64>(vaddr, value);
+    void MemoryWrite(u64 vaddr, u64 value, size_t size) override {
+        switch (size) {
+        case sizeof(u64): WriteMemory<u64>(vaddr, u64(value)); break;
+        case sizeof(u32): WriteMemory<u32>(vaddr, u32(value)); break;
+        case sizeof(u16): WriteMemory<u16>(vaddr, u16(value)); break;
+        case sizeof(u8): WriteMemory<u8>(vaddr, u8(value)); break;
+        default: UNREACHABLE();
+        }
    }
    void MemoryWrite128(u64 vaddr, u128 value) override {
        WriteMemory<u128>(vaddr, value);
@@ -193,14 +187,14 @@ public:
        // The loaded NRO file has ELF relocations that must be processed before it can run.
        // Normally this would be processed by RTLD, but in HLE context, we don't have
        // the linker available, so we have to do it ourselves.
-        const VAddr mod_offset{callbacks->MemoryRead32(4)};
-        if (callbacks->MemoryRead32(mod_offset) != Common::MakeMagic('M', 'O', 'D', '0'))
+        const VAddr mod_offset{callbacks->MemoryRead(4, sizeof(u32))};
+        if (callbacks->MemoryRead(mod_offset, sizeof(u32)) != Common::MakeMagic('M', 'O', 'D', '0'))
            return false;

        // For more info about dynamic entries, see the ELF ABI specification:
        // https://refspecs.linuxbase.org/elf/gabi4+/ch5.dynamic.html
        // https://refspecs.linuxbase.org/elf/gabi4+/ch4.reloc.html
-        VAddr dynamic_offset{mod_offset + callbacks->MemoryRead32(mod_offset + 4)};
+        VAddr dynamic_offset{mod_offset + callbacks->MemoryRead(mod_offset + 4, sizeof(u32))};
        VAddr rela_dyn = 0, relr_dyn = 0;
        size_t num_rela = 0, num_relr = 0;
        while (true) {
@@ -222,8 +216,8 @@ public:
        for (size_t i = 0; i < num_rela; i++) {
            const auto rela{callbacks->ReadMemory<Elf64_Rela>(rela_dyn + i * sizeof(Elf64_Rela))};
            if (Elf64RelType(rela.r_info) == ElfAArch64Relative) {
-                const VAddr contents{callbacks->MemoryRead64(rela.r_offset)};
-                callbacks->MemoryWrite64(rela.r_offset, contents + rela.r_addend);
+                const VAddr contents{callbacks->MemoryRead(rela.r_offset, sizeof(u64))};
+                callbacks->MemoryWrite(rela.r_offset, contents + rela.r_addend, sizeof(u64));
            }
        }

@@ -231,7 +225,7 @@ public:
        for (size_t i = 0; i < num_relr; i++) {
            const auto relr = callbacks->ReadMemory<Elf64_Relr>(relr_dyn + i * sizeof(Elf64_Relr));
            const auto incr = [&](VAddr where) {
-                callbacks->MemoryWrite64(where, callbacks->MemoryRead64(where) + relocbase);
+                callbacks->MemoryWrite(where, callbacks->MemoryRead(where, sizeof(u64)) + relocbase, sizeof(u64));
            };
            if ((relr & 1) == 0) {
                // where pointer
@@ -294,7 +288,7 @@ public:
        if (argument_stack.size() > 8) {
            const VAddr new_sp = Common::AlignDown(top_of_stack - (argument_stack.size() - 8) * sizeof(u64), STACK_ALIGN);
            for (size_t i = 8; i < argument_stack.size(); i++)
-                callbacks->MemoryWrite64(new_sp + (i - 8) * sizeof(u64), argument_stack[i]);
+                callbacks->MemoryWrite(new_sp + (i - 8) * sizeof(u64), argument_stack[i], sizeof(u64));
            jit->SetSP(new_sp);
        }
        // Reset the call state for the next invocation
@@ -385,17 +379,17 @@ void DynarmicCallbacks64::CallSVC(u32 swi) {

        if (dest < src) {
            for (size_t i = 0; i < n; i++)
-                MemoryWrite8(dest + i, MemoryRead8(src + i));
+                MemoryWrite(dest + i, u8(MemoryRead(src + i, sizeof(u8))), sizeof(u8));
        } else {
            for (size_t i = n; i > 0; i--)
-                MemoryWrite8(dest + i - 1, MemoryRead8(src + i - 1));
+                MemoryWrite(dest + i - 1, u8(MemoryRead(src + i - 1, sizeof(u8))), sizeof(u8));
        }
    } else if (pc == parent.helpers[size_t(HelperFn::Memset)]) {
        const VAddr dest{parent.jit->GetRegister(0)};
        const u64 c{parent.jit->GetRegister(1)};
        const size_t n{parent.jit->GetRegister(2)};
        for (size_t i = 0; i < n; i++)
-            MemoryWrite8(dest + i, u8(c));
+            MemoryWrite(dest + i, u8(c), sizeof(u8));
    } else if (pc == parent.helpers[size_t(HelperFn::Resolve)]) {
        // X0 contains a char* for a symbol to resolve
        const auto name{MemoryReadCString(parent.jit->GetRegister(0))};
@@ -422,7 +416,7 @@ void DynarmicCallbacks64::CallSVC(u32 swi) {
 }

 void DynarmicCallbacks64::ExceptionRaised(u64 pc, Dynarmic::A64::Exception exception) {
-    auto const inst = MemoryRead32(pc);
+    auto const inst = MemoryRead(pc, sizeof(u32));
    LOG_CRITICAL(Service_JIT, "{} PC @ {:08x}, data = {:08x}", exception, pc, inst);
    parent.jit->HaltExecution();
 }
@@ -6,10 +6,16 @@

 #include "common/string_util.h"
 #include "core/core.h"
+#include "core/hle/kernel/k_client_session.h"
+#include "core/hle/result.h"
+#include "core/hle/service/acc/profile_manager.h"
+#include "core/hle/service/cmif_types.h"
+#include "core/hle/service/cmif_serialization.h"
 #include "core/hle/service/ipc_helpers.h"
 #include "core/hle/service/ngc/ngc.h"
 #include "core/hle/service/server_manager.h"
 #include "core/hle/service/service.h"
+#include "frontend_common/firmware_manager.h"

 namespace Service::NGC {

@@ -166,12 +172,123 @@ public:
    }
 };

+struct SaveDataHandle {
+    u64 unk0;
+};
+static_assert(sizeof(SaveDataHandle) == 0x08);
+
+class IUserShimScopedObject final : public ServiceFramework<IUserShimScopedObject> {
+public:
+    explicit IUserShimScopedObject(Core::System& system_) : ServiceFramework(system_, "IUserShimScopedObject") {
+        // clang-format off
+        static const FunctionInfo functions[] = {
+            {450, nullptr, "InitializeForSaveData"},
+            {451, nullptr, "FinalizeForSaveData"},
+            {452, D<&IUserShimScopedObject::OpenSaveData>, "OpenSaveData"},
+            {453, nullptr, "CloseSaveData"},
+            {454, D<&IUserShimScopedObject::ReadSaveSlot>, "ReadSaveSlot"},
+            {455, D<&IUserShimScopedObject::WriteSaveSlot>, "WriteSaveSlot"},
+            {456, nullptr, "FlushSaveSlot"},
+            {457, nullptr, "CommitSaveData"},
+        };
+        // clang-format on
+        RegisterHandlers(functions);
+    }
+
+    Result OpenSaveData(Account::Uid unk0, Out<SaveDataHandle> unk1) {
+        LOG_WARNING(Service_NGC, "stubbed");
+        R_THROW(IPC::ResultNotSupported);
+    }
+
+    Result ReadSaveSlot(s32 offset, SaveDataHandle handle, OutBuffer<BufferAttr_HipcAutoSelect> out_data, Out<u32> out_size) {
+        LOG_WARNING(Service_NGC, "stubbed");
+        R_THROW(IPC::ResultNotSupported);
+    }
+
+    Result WriteSaveSlot(s32 offset, SaveDataHandle handle, InBuffer<BufferAttr_HipcAutoSelect> out_data) {
+        LOG_WARNING(Service_NGC, "stubbed");
+        // to implement
+        R_SUCCEED();
+    }
+};
+
+class IUserService final : public ServiceFramework<IUserService> {
+public:
+    explicit IUserService(Core::System& system_) : ServiceFramework(system_, "stpl:u") {
+        // clang-format off
+        static const FunctionInfo functions[] = {
+            {0 , D<&IUserService::Cmd0>, "Cmd0"},
+        };
+        // clang-format on
+        RegisterHandlers(functions);
+    }
+    Result Cmd0(u32 unk0, OutInterface<IUserShimScopedObject> out_interface) {
+        LOG_WARNING(Service_NGC, "stubbed");
+        *out_interface = std::make_shared<IUserShimScopedObject>(system);
+        R_SUCCEED();
+    }
+};
+
+class ISystemShimScopedObject final : public ServiceFramework<ISystemShimScopedObject> {
+public:
+    explicit ISystemShimScopedObject(Core::System& system_) : ServiceFramework(system_, "ISystemShimScopedObject") {
+        // clang-format off
+        static const FunctionInfo functions[] = {
+            {106, nullptr, "Cmd106"},
+            {107, nullptr, "Cmd107"},
+            {108, D<&ISystemShimScopedObject::Cmd108>, "Cmd108"},
+            {207, nullptr, "Cmd207"},
+            {208, D<&ISystemShimScopedObject::Cmd208>, "Cmd208"},
+            {209, nullptr, "Cmd209"},
+            {210, nullptr, "Cmd210"},
+            {211, nullptr, "Cmd211"},
+            {212, nullptr, "Cmd212"},
+        };
+        // clang-format on
+        RegisterHandlers(functions);
+    }
+
+    Result Cmd108() {
+        LOG_WARNING(Service_NGC, "stubbed");
+        R_THROW(IPC::ResultNotSupported);
+    }
+
+    Result Cmd208(Out<std::array<u8, 0x20>> unk0) {
+        LOG_WARNING(Service_NGC, "stubbed");
+        R_THROW(IPC::ResultNotSupported);
+    }
+};
+
+class ISystemService final : public ServiceFramework<ISystemService> {
+public:
+    explicit ISystemService(Core::System& system_) : ServiceFramework(system_, "stpl:sys") {
+        // clang-format off
+        static const FunctionInfo functions[] = {
+            {0 , D<&ISystemService::Cmd0>, "Cmd0"},
+        };
+        // clang-format on
+        RegisterHandlers(functions);
+    }
+    Result Cmd0(OutInterface<ISystemShimScopedObject> out_interface) {
+        LOG_WARNING(Service_NGC, "stubbed");
+        *out_interface = std::make_shared<ISystemShimScopedObject>(system);
+        R_SUCCEED();
+    }
+};
+
 void LoopProcess(Core::System& system) {
    auto server_manager = std::make_unique<ServerManager>(system);

    server_manager->RegisterNamedService("ngct:u", std::make_shared<IService>(system), 4);
    server_manager->RegisterNamedService("ngct:s", std::make_shared<IServiceWithManagementApi>(system), 4);
    server_manager->RegisterNamedService("ngc:u", std::make_shared<NgcServiceImpl>(system), 4);
+
+    // +23.0.0
+    if (FirmwareManager::GetFirmwareVersion(system).first.major >= 23) {
+        server_manager->RegisterNamedService("stpl:u", std::make_shared<IUserService>(system), 4);
+        server_manager->RegisterNamedService("stpl:sys", std::make_shared<ISystemService>(system), 4);
+    }
+
    ServerManager::RunServer(std::move(server_manager));
 }

@@ -228,9 +228,9 @@ IApplicationManagerInterface::IApplicationManagerInterface(Core::System& system_
        {930, nullptr, "Unknown930"}, //20.0.0+
        {931, nullptr, "Unknown931"}, //20.0.0+
        {933, nullptr, "Unknown933"}, //20.0.0+
-        {934, nullptr, "Unknown934"}, //20.0.0+
-        {935, nullptr, "Unknown935"}, //20.0.0+
-        {936, nullptr, "Unknown936"}, //20.0.0+
+        {934, nullptr, "Unknown934"}, //21.0.0+
+        {935, nullptr, "Unknown935"}, //21.0.0+
+        {936, D<&IApplicationManagerInterface::Unknown936>, "Unknown936"}, //21.0.0+
        {1000, nullptr, "RequestVerifyApplicationDeprecated"},
        {1001, nullptr, "CorruptApplicationForDebug"},
        {1002, nullptr, "RequestVerifyAddOnContentsRights"},
@@ -422,7 +422,7 @@ IApplicationManagerInterface::IApplicationManagerInterface(Core::System& system_
        {4039, nullptr, "Unknown4039"}, //20.0.0+
        {4040, nullptr, "Unknown4040"}, //20.0.0+
        {4041, nullptr, "Unknown4041"}, //20.0.0+
-        {4042, nullptr, "Unknown4042"}, //20.0.0+
+        {4042, D<&IApplicationManagerInterface::Unknown4042>, "Unknown4042"}, //20.0.0+
        {4043, nullptr, "Unknown4043"}, //20.0.0+
        {4044, nullptr, "Unknown4044"}, //20.0.0+
        {4045, nullptr, "Unknown4045"}, //20.0.0+
@@ -639,6 +639,12 @@ Result IApplicationManagerInterface::IsGameCardApplicationRunning(Out<bool> out_
    R_SUCCEED();
 }

+Result IApplicationManagerInterface::Unknown936(Out<u64> out_result) {
+    LOG_WARNING(Service_NS, "(STUBBED) called.");
+    *out_result = 0;
+    R_SUCCEED();
+}
+
 Result IApplicationManagerInterface::IsAnyApplicationEntityInstalled(
    Out<bool> out_is_any_application_entity_installed) {
    LOG_WARNING(Service_NS, "(STUBBED) called");
@@ -862,6 +868,15 @@ Result IApplicationManagerInterface::Unknown4023(Out<u64> out_result) {
    R_SUCCEED();
 }

+Result IApplicationManagerInterface::Unknown4042(OutInterface<IAsyncResult> out_interface,
+                                                 OutCopyHandle<Kernel::KReadableEvent> out_event,
+                                                 u64 arg1, u64 arg2) {
+    LOG_WARNING(Service_NS, "(STUBBED) called, arg1={:016X}, arg2={:016X}", arg1, arg2);
+    *out_event = unknown_event.GetHandle();
+    *out_interface = std::make_shared<IAsyncResult>(system, &unknown_event);
+    R_SUCCEED();
+}
+
 Result IApplicationManagerInterface::Unknown4053() {
    LOG_WARNING(Service_NS, "(STUBBED) called.");
    R_SUCCEED();
@@ -7,6 +7,7 @@
 #pragma once

 #include "core/hle/service/cmif_types.h"
+#include "core/hle/service/ns/async_result.h"
 #include "core/hle/service/ns/language.h"
 #include "core/hle/service/ns/ns_types.h"
 #include "core/hle/service/os/event.h"
@@ -34,6 +35,7 @@ public:
    Result GetGameCardMountFailureEvent(OutCopyHandle<Kernel::KReadableEvent> out_event);
    Result GetGameCardWakenReadyEvent(OutCopyHandle<Kernel::KReadableEvent> out_event);
    Result IsGameCardApplicationRunning(Out<bool> out_is_running);
+    Result Unknown936(Out<u64> out_result);
    Result IsAnyApplicationEntityInstalled(Out<bool> out_is_any_application_entity_installed);
    Result GetApplicationViewDeprecated(
        OutArray<ApplicationViewV19, BufferAttr_HipcMapAlias> out_application_views,
@@ -71,6 +73,9 @@ public:
                                  InBuffer<BufferAttr_HipcMapAlias> logo_path_buffer);
    Result Unknown4022(OutCopyHandle<Kernel::KReadableEvent> out_event);
    Result Unknown4023(Out<u64> out_result);
+    Result Unknown4042(OutInterface<IAsyncResult> out_interface,
+                       OutCopyHandle<Kernel::KReadableEvent> out_event,
+                       u64 arg1, u64 arg2);
    Result Unknown4053();
    Result Unknown4105();

--- a/Show More
+++ b/Show More