Implemented qlaunch version of the controller applet

src/core/hid/hid_types.h

@@ -218,6 +218,13 @@ enum class NpadIdType : u32 {
     Invalid = 0xFFFFFFFF,
 };
 
+enum class NpadInterfaceType : u8 {
+    Bluetooth = 1,
+    Rail = 2,
+    Usb = 3,
+    Embedded = 4,
+};
+
 // This is nn::hid::NpadStyleIndex
 enum class NpadStyleIndex : u8 {
     None = 0,

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

@@ -13,6 +13,7 @@
 #include "core/file_sys/patch_manager.h"
 #include "core/file_sys/registered_cache.h"
 #include "core/file_sys/savedata_factory.h"
+#include "core/hid/hid_types.h"
 #include "core/hle/kernel/k_event.h"
 #include "core/hle/kernel/k_transfer_memory.h"
 #include "core/hle/result.h"
@@ -21,6 +22,7 @@
 #include "core/hle/service/am/applet_ae.h"
 #include "core/hle/service/am/applet_oe.h"
 #include "core/hle/service/am/applets/applet_cabinet.h"
+#include "core/hle/service/am/applets/applet_controller.h"
 #include "core/hle/service/am/applets/applet_mii_edit_types.h"
 #include "core/hle/service/am/applets/applet_profile_select.h"
 #include "core/hle/service/am/applets/applet_software_keyboard_types.h"
@@ -35,6 +37,7 @@
 #include "core/hle/service/caps/caps_su.h"
 #include "core/hle/service/caps/caps_types.h"
 #include "core/hle/service/filesystem/filesystem.h"
+#include "core/hle/service/hid/controllers/npad.h"
 #include "core/hle/service/ipc_helpers.h"
 #include "core/hle/service/ns/ns.h"
 #include "core/hle/service/nvnflinger/fb_share_buffer_manager.h"
@@ -73,7 +76,7 @@ IWindowController::IWindowController(Core::System& system_)
     static const FunctionInfo functions[] = {
         {0, nullptr, "CreateWindow"},
         {1, &IWindowController::GetAppletResourceUserId, "GetAppletResourceUserId"},
-        {2, nullptr, "GetAppletResourceUserIdOfCallerApplet"},
+        {2, &IWindowController::GetAppletResourceUserIdOfCallerApplet, "GetAppletResourceUserIdOfCallerApplet"},
         {10, &IWindowController::AcquireForegroundRights, "AcquireForegroundRights"},
         {11, nullptr, "ReleaseForegroundRights"},
         {12, nullptr, "RejectToChangeIntoBackground"},
@@ -97,6 +100,16 @@ void IWindowController::GetAppletResourceUserId(HLERequestContext& ctx) {
     rb.Push<u64>(process_id);
 }
 
+void IWindowController::GetAppletResourceUserIdOfCallerApplet(HLERequestContext& ctx) {
+    const u64 process_id = 0;
+
+    LOG_WARNING(Service_AM, "(STUBBED) called");
+
+    IPC::ResponseBuilder rb{ctx, 4};
+    rb.Push(ResultSuccess);
+    rb.Push<u64>(process_id);
+}
+
 void IWindowController::AcquireForegroundRights(HLERequestContext& ctx) {
     LOG_WARNING(Service_AM, "(STUBBED) called");
     IPC::ResponseBuilder rb{ctx, 2};
@@ -1565,7 +1578,7 @@ ILibraryAppletSelfAccessor::ILibraryAppletSelfAccessor(Core::System& system_)
         {6, nullptr, "GetPopInteractiveInDataEvent"},
         {10, &ILibraryAppletSelfAccessor::ExitProcessAndReturn, "ExitProcessAndReturn"},
         {11, &ILibraryAppletSelfAccessor::GetLibraryAppletInfo, "GetLibraryAppletInfo"},
-        {12, nullptr, "GetMainAppletIdentityInfo"},
+        {12, &ILibraryAppletSelfAccessor::GetMainAppletIdentityInfo, "GetMainAppletIdentityInfo"},
         {13, nullptr, "CanUseApplicationCore"},
         {14, &ILibraryAppletSelfAccessor::GetCallerAppletIdentityInfo, "GetCallerAppletIdentityInfo"},
         {15, nullptr, "GetMainAppletApplicationControlProperty"},
@@ -1609,6 +1622,9 @@ ILibraryAppletSelfAccessor::ILibraryAppletSelfAccessor(Core::System& system_)
     case Applets::AppletId::SoftwareKeyboard:
         PushInShowSoftwareKeyboard();
         break;
+    case Applets::AppletId::Controller:
+        PushInShowController();
+        break;
     default:
         break;
     }
@@ -1666,13 +1682,33 @@ void ILibraryAppletSelfAccessor::GetLibraryAppletInfo(HLERequestContext& ctx) {
     rb.PushRaw(applet_info);
 }
 
+void ILibraryAppletSelfAccessor::GetMainAppletIdentityInfo(HLERequestContext& ctx) {
+    struct AppletIdentityInfo {
+        Applets::AppletId applet_id;
+        INSERT_PADDING_BYTES(0x4);
+        u64 application_id;
+    };
+    static_assert(sizeof(AppletIdentityInfo) == 0x10, "AppletIdentityInfo has incorrect size.");
+
+    LOG_WARNING(Service_AM, "(STUBBED) called");
+
+    const AppletIdentityInfo applet_info{
+        .applet_id = Applets::AppletId::QLaunch,
+        .application_id = 0x0100000000001000ull,
+    };
+
+    IPC::ResponseBuilder rb{ctx, 6};
+    rb.Push(ResultSuccess);
+    rb.PushRaw(applet_info);
+}
+
 void ILibraryAppletSelfAccessor::GetCallerAppletIdentityInfo(HLERequestContext& ctx) {
     struct AppletIdentityInfo {
         Applets::AppletId applet_id;
         INSERT_PADDING_BYTES(0x4);
         u64 application_id;
     };
-
+    static_assert(sizeof(AppletIdentityInfo) == 0x10, "AppletIdentityInfo has incorrect size.");
     LOG_WARNING(Service_AM, "(STUBBED) called");
 
     const AppletIdentityInfo applet_info{
@@ -1737,6 +1773,55 @@ void ILibraryAppletSelfAccessor::PushInShowAlbum() {
     queue_data.emplace_back(std::move(settings_data));
 }
 
+void ILibraryAppletSelfAccessor::PushInShowController() {
+    const Applets::CommonArguments common_args = {
+        .arguments_version = Applets::CommonArgumentVersion::Version3,
+        .size = Applets::CommonArgumentSize::Version3,
+        .library_version = static_cast<u32>(Applets::ControllerAppletVersion::Version8),
+        .theme_color = Applets::ThemeColor::BasicBlack,
+        .play_startup_sound = true,
+        .system_tick = system.CoreTiming().GetClockTicks(),
+    };
+
+    Applets::ControllerSupportArgNew user_args = {
+        .header = {.player_count_min = 1,
+                   .player_count_max = 4,
+                   .enable_take_over_connection = true,
+                   .enable_left_justify = false,
+                   .enable_permit_joy_dual = true,
+                   .enable_single_mode = false,
+                   .enable_identification_color = false},
+        .identification_colors = {},
+        .enable_explain_text = false,
+        .explain_text = {},
+    };
+
+    Applets::ControllerSupportArgPrivate private_args = {
+        .arg_private_size = sizeof(Applets::ControllerSupportArgPrivate),
+        .arg_size = sizeof(Applets::ControllerSupportArgNew),
+        .is_home_menu = true,
+        .flag_1 = true,
+        .mode = Applets::ControllerSupportMode::ShowControllerSupport,
+        .caller = Applets::ControllerSupportCaller::
+            Application, // switchbrew: Always zero except with
+                         // ShowControllerFirmwareUpdateForSystem/ShowControllerKeyRemappingForSystem,
+                         // which sets this to the input param
+        .style_set = Core::HID::NpadStyleSet::None,
+        .joy_hold_type = 0,
+    };
+    std::vector<u8> common_args_data(sizeof(common_args));
+    std::vector<u8> private_args_data(sizeof(private_args));
+    std::vector<u8> user_args_data(sizeof(user_args));
+
+    std::memcpy(common_args_data.data(), &common_args, sizeof(common_args));
+    std::memcpy(private_args_data.data(), &private_args, sizeof(private_args));
+    std::memcpy(user_args_data.data(), &user_args, sizeof(user_args));
+
+    queue_data.emplace_back(std::move(common_args_data));
+    queue_data.emplace_back(std::move(private_args_data));
+    queue_data.emplace_back(std::move(user_args_data));
+}
+
 void ILibraryAppletSelfAccessor::PushInShowCabinetData() {
     const Applets::CommonArguments arguments{
         .arguments_version = Applets::CommonArgumentVersion::Version3,

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

@@ -87,6 +87,7 @@ public:
 
 private:
     void GetAppletResourceUserId(HLERequestContext& ctx);
+    void GetAppletResourceUserIdOfCallerApplet(HLERequestContext& ctx);
     void AcquireForegroundRights(HLERequestContext& ctx);
 };
 
@@ -345,6 +346,7 @@ private:
     void PopInData(HLERequestContext& ctx);
     void PushOutData(HLERequestContext& ctx);
     void GetLibraryAppletInfo(HLERequestContext& ctx);
+    void GetMainAppletIdentityInfo(HLERequestContext& ctx);
     void ExitProcessAndReturn(HLERequestContext& ctx);
     void GetCallerAppletIdentityInfo(HLERequestContext& ctx);
     void GetDesirableKeyboardLayout(HLERequestContext& ctx);
@@ -355,6 +357,7 @@ private:
     void PushInShowCabinetData();
     void PushInShowMiiEditData();
     void PushInShowSoftwareKeyboard();
+    void PushInShowController();
 
     std::deque<std::vector<u8>> queue_data;
 };

src/core/hle/service/am/applets/applet_controller.h

@@ -56,7 +56,7 @@ enum class ControllerSupportResult : u32 {
 struct ControllerSupportArgPrivate {
     u32 arg_private_size{};
     u32 arg_size{};
-    bool flag_0{};
+    bool is_home_menu{};
     bool flag_1{};
     ControllerSupportMode mode{};
     ControllerSupportCaller caller{};

src/core/hle/service/btm/btm.cpp

@@ -127,7 +127,7 @@ public:
 
 private:
     void GetCore(HLERequestContext& ctx) {
-        LOG_DEBUG(Service_BTM, "called");
+        LOG_WARNING(Service_BTM, "called");
 
         IPC::ResponseBuilder rb{ctx, 2, 0, 1};
         rb.Push(ResultSuccess);
@@ -263,13 +263,13 @@ public:
     explicit IBtmSystemCore(Core::System& system_) : ServiceFramework{system_, "IBtmSystemCore"} {
         // clang-format off
         static const FunctionInfo functions[] = {
-            {0, nullptr, "StartGamepadPairing"},
+            {0, &IBtmSystemCore::StartGamepadPairing, "StartGamepadPairing"},
-            {1, nullptr, "CancelGamepadPairing"},
+            {1, &IBtmSystemCore::CancelGamepadPairing, "CancelGamepadPairing"},
             {2, nullptr, "ClearGamepadPairingDatabase"},
             {3, nullptr, "GetPairedGamepadCount"},
             {4, nullptr, "EnableRadio"},
             {5, nullptr, "DisableRadio"},
-            {6, nullptr, "GetRadioOnOff"},
+            {6, &IBtmSystemCore::IsRadioEnabled, "IsRadioEnabled"},
             {7, nullptr, "AcquireRadioEvent"},
             {8, nullptr, "AcquireGamepadPairingEvent"},
             {9, nullptr, "IsGamepadPairingStarted"},
@@ -280,18 +280,58 @@ public:
             {14, nullptr, "AcquireAudioDeviceConnectionEvent"},
             {15, nullptr, "ConnectAudioDevice"},
             {16, nullptr, "IsConnectingAudioDevice"},
-            {17, nullptr, "GetConnectedAudioDevices"},
+            {17, &IBtmSystemCore::GetConnectedAudioDevices, "GetConnectedAudioDevices"},
             {18, nullptr, "DisconnectAudioDevice"},
             {19, nullptr, "AcquirePairedAudioDeviceInfoChangedEvent"},
             {20, nullptr, "GetPairedAudioDevices"},
             {21, nullptr, "RemoveAudioDevicePairing"},
-            {22, nullptr, "RequestAudioDeviceConnectionRejection"},
+            {22, &IBtmSystemCore::RequestAudioDeviceConnectionRejection, "RequestAudioDeviceConnectionRejection"},
-            {23, nullptr, "CancelAudioDeviceConnectionRejection"}
+            {23, &IBtmSystemCore::CancelAudioDeviceConnectionRejection, "CancelAudioDeviceConnectionRejection"}
         };
         // clang-format on
 
         RegisterHandlers(functions);
     }
+
+private:
+    void IsRadioEnabled(HLERequestContext& ctx) {
+        LOG_DEBUG(Service_BTM, "(STUBBED) called"); // Spams a lot when controller applet is running
+
+        IPC::ResponseBuilder rb{ctx, 3};
+        rb.Push(ResultSuccess);
+        rb.Push(true);
+    }
+
+    void StartGamepadPairing(HLERequestContext& ctx) {
+        LOG_WARNING(Service_BTM, "(STUBBED) called");
+        IPC::ResponseBuilder rb{ctx, 2};
+        rb.Push(ResultSuccess);
+    }
+
+    void CancelGamepadPairing(HLERequestContext& ctx) {
+        LOG_WARNING(Service_BTM, "(STUBBED) called");
+        IPC::ResponseBuilder rb{ctx, 2};
+        rb.Push(ResultSuccess);
+    }
+
+    void CancelAudioDeviceConnectionRejection(HLERequestContext& ctx) {
+        LOG_WARNING(Service_BTM, "(STUBBED) called");
+        IPC::ResponseBuilder rb{ctx, 2};
+        rb.Push(ResultSuccess);
+    }
+
+    void GetConnectedAudioDevices(HLERequestContext& ctx) {
+        LOG_WARNING(Service_BTM, "(STUBBED) called");
+        IPC::ResponseBuilder rb{ctx, 3};
+        rb.Push(ResultSuccess);
+        rb.Push<u32>(0);
+    }
+
+    void RequestAudioDeviceConnectionRejection(HLERequestContext& ctx) {
+        LOG_WARNING(Service_BTM, "(STUBBED) called");
+        IPC::ResponseBuilder rb{ctx, 2};
+        rb.Push(ResultSuccess);
+    }
 };
 
 class BTM_SYS final : public ServiceFramework<BTM_SYS> {
@@ -308,7 +348,7 @@ public:
 
 private:
     void GetCore(HLERequestContext& ctx) {
-        LOG_DEBUG(Service_BTM, "called");
+        LOG_WARNING(Service_BTM, "called");
 
         IPC::ResponseBuilder rb{ctx, 2, 0, 1};
         rb.Push(ResultSuccess);

src/core/hle/service/hid/controllers/npad.cpp

@@ -344,6 +344,7 @@ void Controller_NPad::InitNewlyAddedController(Core::HID::NpadIdType npad_id) {
         controller.device->SetPollingMode(Core::HID::EmulatedDeviceIndex::AllDevices,
                                           Common::Input::PollingMode::Active);
     }
+
     SignalStyleSetChangedEvent(npad_id);
     WriteEmptyEntry(controller.shared_memory);
     hid_core.SetLastActiveController(npad_id);
@@ -1726,4 +1727,19 @@ const Controller_NPad::SixaxisParameters& Controller_NPad::GetSixaxisState(
     }
 }
 
+Controller_NPad::AppletDetailedUiType Controller_NPad::GetAppletDetailedUiType(
+    Core::HID::NpadIdType npad_id) {
+
+    auto controller = GetControllerFromNpadIdType(npad_id);
+    auto shared_memory = controller.shared_memory;
+    Service::HID::Controller_NPad::AppletFooterUiType applet_footer_type =
+        shared_memory->applet_footer_type;
+
+    Controller_NPad::AppletDetailedUiType detailed_ui_type{
+        .ui_variant = 0,
+        .footer = applet_footer_type,
+    };
+    return detailed_ui_type;
+}
+
 } // namespace Service::HID

src/core/hle/service/hid/controllers/npad.h

@@ -78,6 +78,46 @@ public:
         MaxActivationMode = 3,
     };
 
+    // This is nn::hid::system::AppletFooterUiAttributesSet
+    struct AppletFooterUiAttributes {
+        INSERT_PADDING_BYTES(0x4);
+    };
+
+    // This is nn::hid::system::AppletFooterUiType
+    enum class AppletFooterUiType : u8 {
+        None = 0,
+        HandheldNone = 1,
+        HandheldJoyConLeftOnly = 2,
+        HandheldJoyConRightOnly = 3,
+        HandheldJoyConLeftJoyConRight = 4,
+        JoyDual = 5,
+        JoyDualLeftOnly = 6,
+        JoyDualRightOnly = 7,
+        JoyLeftHorizontal = 8,
+        JoyLeftVertical = 9,
+        JoyRightHorizontal = 10,
+        JoyRightVertical = 11,
+        SwitchProController = 12,
+        CompatibleProController = 13,
+        CompatibleJoyCon = 14,
+        LarkHvc1 = 15,
+        LarkHvc2 = 16,
+        LarkNesLeft = 17,
+        LarkNesRight = 18,
+        Lucia = 19,
+        Verification = 20,
+        Lagon = 21,
+    };
+
+    using AppletFooterUiVariant = u8;
+
+    // This is "nn::hid::system::AppletDetailedUiType".
+    struct AppletDetailedUiType {
+        AppletFooterUiVariant ui_variant;
+        INSERT_PADDING_BYTES(0x2);
+        AppletFooterUiType footer;
+    };
+    static_assert(sizeof(AppletDetailedUiType) == 0x4, "AppletDetailedUiType is an invalid size");
     // This is nn::hid::NpadCommunicationMode
     enum class NpadCommunicationMode : u64 {
         Mode_5ms = 0,
@@ -203,6 +243,7 @@ public:
     static Result IsDeviceHandleValid(const Core::HID::VibrationDeviceHandle& device_handle);
     static Result VerifyValidSixAxisSensorHandle(
         const Core::HID::SixAxisSensorHandle& device_handle);
+    AppletDetailedUiType GetAppletDetailedUiType(Core::HID::NpadIdType npad_id);
 
 private:
     static constexpr std::size_t NPAD_COUNT = 10;
@@ -360,37 +401,6 @@ private:
     static_assert(sizeof(NfcXcdDeviceHandleStateImpl) == 0x18,
                   "NfcXcdDeviceHandleStateImpl is an invalid size");
 
-    // This is nn::hid::system::AppletFooterUiAttributesSet
-    struct AppletFooterUiAttributes {
-        INSERT_PADDING_BYTES(0x4);
-    };
-
-    // This is nn::hid::system::AppletFooterUiType
-    enum class AppletFooterUiType : u8 {
-        None = 0,
-        HandheldNone = 1,
-        HandheldJoyConLeftOnly = 2,
-        HandheldJoyConRightOnly = 3,
-        HandheldJoyConLeftJoyConRight = 4,
-        JoyDual = 5,
-        JoyDualLeftOnly = 6,
-        JoyDualRightOnly = 7,
-        JoyLeftHorizontal = 8,
-        JoyLeftVertical = 9,
-        JoyRightHorizontal = 10,
-        JoyRightVertical = 11,
-        SwitchProController = 12,
-        CompatibleProController = 13,
-        CompatibleJoyCon = 14,
-        LarkHvc1 = 15,
-        LarkHvc2 = 16,
-        LarkNesLeft = 17,
-        LarkNesRight = 18,
-        Lucia = 19,
-        Verification = 20,
-        Lagon = 21,
-    };
-
     // This is nn::hid::NpadLarkType
     enum class NpadLarkType : u32 {
         Invalid,

src/core/hle/service/hid/hid_server.cpp

@@ -1222,8 +1222,8 @@ void IHidServer::SetNpadJoyAssignmentModeDual(HLERequestContext& ctx) {
     controller.SetNpadMode(new_npad_id, parameters.npad_id, {},
                            Controller_NPad::NpadJoyAssignmentMode::Dual);
 
-    LOG_INFO(Service_HID, "called, npad_id={}, applet_resource_user_id={}", parameters.npad_id,
+    LOG_DEBUG(Service_HID, "called, npad_id={}, applet_resource_user_id={}", parameters.npad_id,
-             parameters.applet_resource_user_id);
+              parameters.applet_resource_user_id); // Spams a lot when controller applet is open
 
     IPC::ResponseBuilder rb{ctx, 2};
     rb.Push(ResultSuccess);

src/core/hle/service/hid/hid_system_server.cpp

@@ -36,24 +36,24 @@ IHidSystemServer::IHidSystemServer(Core::System& system_, std::shared_ptr<Resour
             {233, nullptr, "GetXcdHandleForNpadWithIrSensor"},
             {301, nullptr, "ActivateNpadSystem"},
             {303, &IHidSystemServer::ApplyNpadSystemCommonPolicy, "ApplyNpadSystemCommonPolicy"},
-            {304, nullptr, "EnableAssigningSingleOnSlSrPress"},
+            {304, &IHidSystemServer::EnableAssigningSingleOnSlSrPress, "EnableAssigningSingleOnSlSrPress"},
-            {305, nullptr, "DisableAssigningSingleOnSlSrPress"},
+            {305, &IHidSystemServer::DisableAssigningSingleOnSlSrPress, "DisableAssigningSingleOnSlSrPress"},
             {306, &IHidSystemServer::GetLastActiveNpad, "GetLastActiveNpad"},
             {307, nullptr, "GetNpadSystemExtStyle"},
-            {308, nullptr, "ApplyNpadSystemCommonPolicyFull"},
+            {308, &IHidSystemServer::ApplyNpadSystemCommonPolicyFull, "ApplyNpadSystemCommonPolicyFull"},
-            {309, nullptr, "GetNpadFullKeyGripColor"},
+            {309, &IHidSystemServer::GetNpadFullKeyGripColor, "GetNpadFullKeyGripColor"},
-            {310, nullptr, "GetMaskedSupportedNpadStyleSet"},
+            {310, &IHidSystemServer::GetMaskedSupportedNpadStyleSet, "GetMaskedSupportedNpadStyleSet"},
             {311, nullptr, "SetNpadPlayerLedBlinkingDevice"},
-            {312, nullptr, "SetSupportedNpadStyleSetAll"},
+            {312, &IHidSystemServer::SetSupportedNpadStyleSetAll, "SetSupportedNpadStyleSetAll"},
             {313, nullptr, "GetNpadCaptureButtonAssignment"},
             {314, nullptr, "GetAppletFooterUiType"},
-            {315, nullptr, "GetAppletDetailedUiType"},
+            {315, &IHidSystemServer::GetAppletDetailedUiType, "GetAppletDetailedUiType"},
-            {316, nullptr, "GetNpadInterfaceType"},
+            {316, &IHidSystemServer::GetNpadInterfaceType, "GetNpadInterfaceType"},
-            {317, nullptr, "GetNpadLeftRightInterfaceType"},
+            {317, &IHidSystemServer::GetNpadLeftRightInterfaceType, "GetNpadLeftRightInterfaceType"},
-            {318, nullptr, "HasBattery"},
+            {318, &IHidSystemServer::HasBattery, "HasBattery"},
-            {319, nullptr, "HasLeftRightBattery"},
+            {319, &IHidSystemServer::HasLeftRightBattery, "HasLeftRightBattery"},
             {321, &IHidSystemServer::GetUniquePadsFromNpad, "GetUniquePadsFromNpad"},
-            {322, nullptr, "GetIrSensorState"},
+            {322, &IHidSystemServer::GetIrSensorState, "GetIrSensorState"},
             {323, nullptr, "GetXcdHandleForNpadWithIrSensor"},
             {324, nullptr, "GetUniquePadButtonSet"},
             {325, nullptr, "GetUniquePadColor"},
@@ -85,15 +85,15 @@ IHidSystemServer::IHidSystemServer(Core::System& system_, std::shared_ptr<Resour
             {541, nullptr, "GetPlayReportControllerUsages"},
             {542, nullptr, "AcquirePlayReportRegisteredDeviceUpdateEvent"},
             {543, nullptr, "GetRegisteredDevicesOld"},
-            {544, nullptr, "AcquireConnectionTriggerTimeoutEvent"},
+            {544, &IHidSystemServer::AcquireConnectionTriggerTimeoutEvent, "AcquireConnectionTriggerTimeoutEvent"},
             {545, nullptr, "SendConnectionTrigger"},
-            {546, nullptr, "AcquireDeviceRegisteredEventForControllerSupport"},
+            {546, &IHidSystemServer::AcquireDeviceRegisteredEventForControllerSupport, "AcquireDeviceRegisteredEventForControllerSupport"},
             {547, nullptr, "GetAllowedBluetoothLinksCount"},
-            {548, nullptr, "GetRegisteredDevices"},
+            {548, &IHidSystemServer::GetRegisteredDevices, "GetRegisteredDevices"},
             {549, nullptr, "GetConnectableRegisteredDevices"},
             {700, nullptr, "ActivateUniquePad"},
-            {702, nullptr, "AcquireUniquePadConnectionEventHandle"},
+            {702, &IHidSystemServer::AcquireUniquePadConnectionEventHandle, "AcquireUniquePadConnectionEventHandle"},
-            {703, nullptr, "GetUniquePadIds"},
+            {703, &IHidSystemServer::GetUniquePadIds, "GetUniquePadIds"},
             {751, &IHidSystemServer::AcquireJoyDetachOnBluetoothOffEventHandle, "AcquireJoyDetachOnBluetoothOffEventHandle"},
             {800, nullptr, "ListSixAxisSensorHandles"},
             {801, nullptr, "IsSixAxisSensorUserCalibrationSupported"},
@@ -123,10 +123,10 @@ IHidSystemServer::IHidSystemServer(Core::System& system_, std::shared_ptr<Resour
             {850, &IHidSystemServer::IsUsbFullKeyControllerEnabled, "IsUsbFullKeyControllerEnabled"},
             {851, nullptr, "EnableUsbFullKeyController"},
             {852, nullptr, "IsUsbConnected"},
-            {870, nullptr, "IsHandheldButtonPressedOnConsoleMode"},
+            {870, &IHidSystemServer::IsHandheldButtonPressedOnConsoleMode, "IsHandheldButtonPressedOnConsoleMode"},
             {900, nullptr, "ActivateInputDetector"},
             {901, nullptr, "NotifyInputDetector"},
-            {1000, nullptr, "InitializeFirmwareUpdate"},
+            {1000, &IHidSystemServer::InitializeFirmwareUpdate, "InitializeFirmwareUpdate"},
             {1001, nullptr, "GetFirmwareVersion"},
             {1002, nullptr, "GetAvailableFirmwareVersion"},
             {1003, nullptr, "IsFirmwareUpdateAvailable"},
@@ -149,6 +149,7 @@ IHidSystemServer::IHidSystemServer(Core::System& system_, std::shared_ptr<Resour
             {1132, nullptr, "CheckUsbFirmwareUpdateRequired"},
             {1133, nullptr, "StartUsbFirmwareUpdate"},
             {1134, nullptr, "GetUsbFirmwareUpdateState"},
+            {1135, &IHidSystemServer::InitializeUsbFirmwareUpdateWithoutMemory, "InitializeUsbFirmwareUpdateWithoutMemory"},
             {1150, nullptr, "SetTouchScreenMagnification"},
             {1151, nullptr, "GetTouchScreenFirmwareVersion"},
             {1152, nullptr, "SetTouchScreenDefaultConfiguration"},
@@ -220,11 +221,20 @@ IHidSystemServer::IHidSystemServer(Core::System& system_, std::shared_ptr<Resour
 
     RegisterHandlers(functions);
 
-    joy_detach_event = service_context.CreateEvent("HidSys::JoyDetachEvent");
+    joy_detach_event = service_context.CreateEvent("IHidSystemServer::JoyDetachEvent");
+    acquire_device_registered_event =
+        service_context.CreateEvent("IHidSystemServer::AcquireDeviceRegisteredEvent");
+    acquire_connection_trigger_timeout_event =
+        service_context.CreateEvent("IHidSystemServer::AcquireConnectionTriggerTimeoutEvent");
+    unique_pad_connection_event =
+        service_context.CreateEvent("IHidSystemServer::AcquireUniquePadConnectionEventHandle");
 }
 
 IHidSystemServer::~IHidSystemServer() {
     service_context.CloseEvent(joy_detach_event);
+    service_context.CloseEvent(acquire_device_registered_event);
+    service_context.CloseEvent(acquire_connection_trigger_timeout_event);
+    service_context.CloseEvent(unique_pad_connection_event);
 };
 
 void IHidSystemServer::ApplyNpadSystemCommonPolicy(HLERequestContext& ctx) {
@@ -238,29 +248,241 @@ void IHidSystemServer::ApplyNpadSystemCommonPolicy(HLERequestContext& ctx) {
     rb.Push(ResultSuccess);
 }
 
+void IHidSystemServer::EnableAssigningSingleOnSlSrPress(HLERequestContext& ctx) {
+    LOG_WARNING(Service_HID, "(STUBBED) called");
+
+    IPC::ResponseBuilder rb{ctx, 2};
+    rb.Push(ResultSuccess);
+}
+
+void IHidSystemServer::DisableAssigningSingleOnSlSrPress(HLERequestContext& ctx) {
+    LOG_WARNING(Service_HID, "(STUBBED) called");
+
+    IPC::ResponseBuilder rb{ctx, 2};
+    rb.Push(ResultSuccess);
+}
+
 void IHidSystemServer::GetLastActiveNpad(HLERequestContext& ctx) {
-    LOG_DEBUG(Service_HID, "(STUBBED) called");
+    LOG_DEBUG(Service_HID, "(STUBBED) called"); // Spams a lot when controller applet is running
 
     IPC::ResponseBuilder rb{ctx, 3};
     rb.Push(ResultSuccess);
     rb.PushEnum(system.HIDCore().GetLastActiveController());
 }
 
+void IHidSystemServer::ApplyNpadSystemCommonPolicyFull(HLERequestContext& ctx) {
+    LOG_WARNING(Service_HID, "called");
+
+    GetResourceManager()
+        ->GetController<Controller_NPad>(HidController::NPad)
+        .ApplyNpadSystemCommonPolicy();
+
+    IPC::ResponseBuilder rb{ctx, 2};
+    rb.Push(ResultSuccess);
+}
+
+void IHidSystemServer::GetNpadFullKeyGripColor(HLERequestContext& ctx) {
+    IPC::RequestParser rp{ctx};
+    const auto npad_id_type{rp.PopEnum<Core::HID::NpadIdType>()};
+
+    LOG_DEBUG(Service_HID, "(STUBBED) called, npad_id_type={}",
+              npad_id_type); // Spams a lot when controller applet is running
+
+    Core::HID::NpadColor left_color{};
+    Core::HID::NpadColor right_color{};
+    // TODO: Get colors from Npad
+
+    IPC::ResponseBuilder rb{ctx, 4};
+    rb.Push(ResultSuccess);
+    rb.PushRaw(left_color);
+    rb.PushRaw(right_color);
+}
+
+void IHidSystemServer::GetMaskedSupportedNpadStyleSet(HLERequestContext& ctx) {
+    IPC::RequestParser rp{ctx};
+
+    LOG_INFO(Service_HID, "(STUBBED) called");
+
+    Core::HID::NpadStyleSet supported_styleset =
+        GetResourceManager()
+            ->GetController<Controller_NPad>(HidController::NPad)
+            .GetSupportedStyleSet()
+            .raw;
+
+    IPC::ResponseBuilder rb{ctx, 3};
+    rb.Push(ResultSuccess);
+    rb.PushEnum(supported_styleset);
+}
+
+void IHidSystemServer::SetSupportedNpadStyleSetAll(HLERequestContext& ctx) {
+    IPC::RequestParser rp{ctx};
+
+    LOG_INFO(Service_HID, "(STUBBED) called");
+
+    Core::HID::NpadStyleSet supported_styleset =
+        GetResourceManager()
+            ->GetController<Controller_NPad>(HidController::NPad)
+            .GetSupportedStyleSet()
+            .raw;
+
+    IPC::ResponseBuilder rb{ctx, 3};
+    rb.Push(ResultSuccess);
+    rb.PushEnum(supported_styleset);
+}
+
+void IHidSystemServer::GetAppletDetailedUiType(HLERequestContext& ctx) {
+    IPC::RequestParser rp{ctx};
+    const auto npad_id_type{rp.PopEnum<Core::HID::NpadIdType>()};
+
+    LOG_DEBUG(Service_HID, "called, npad_id_type={}",
+              npad_id_type); // Spams a lot when controller applet is running
+
+    const Service::HID::Controller_NPad::AppletDetailedUiType detailed_ui_type =
+        GetResourceManager()
+            ->GetController<Controller_NPad>(HidController::NPad)
+            .GetAppletDetailedUiType(npad_id_type);
+
+    IPC::ResponseBuilder rb{ctx, 3};
+    rb.Push(ResultSuccess);
+    rb.PushRaw(detailed_ui_type);
+}
+
+void IHidSystemServer::GetNpadInterfaceType(HLERequestContext& ctx) {
+    IPC::RequestParser rp{ctx};
+    const auto npad_id_type{rp.PopEnum<Core::HID::NpadIdType>()};
+
+    LOG_DEBUG(Service_HID, "(STUBBED) called, npad_id_type={}",
+              npad_id_type); // Spams a lot when controller applet is running
+
+    IPC::ResponseBuilder rb{ctx, 3};
+    rb.Push(ResultSuccess);
+    rb.PushEnum(Core::HID::NpadInterfaceType::Bluetooth);
+}
+
+void IHidSystemServer::GetNpadLeftRightInterfaceType(HLERequestContext& ctx) {
+    IPC::RequestParser rp{ctx};
+    const auto npad_id_type{rp.PopEnum<Core::HID::NpadIdType>()};
+
+    LOG_DEBUG(Service_HID, "(STUBBED) called, npad_id_type={}",
+              npad_id_type); // Spams a lot when controller applet is running
+
+    IPC::ResponseBuilder rb{ctx, 4};
+    rb.Push(ResultSuccess);
+    rb.PushEnum(Core::HID::NpadInterfaceType::Bluetooth);
+    rb.PushEnum(Core::HID::NpadInterfaceType::Bluetooth);
+}
+
+void IHidSystemServer::HasBattery(HLERequestContext& ctx) {
+    IPC::RequestParser rp{ctx};
+    const auto npad_id_type{rp.PopEnum<Core::HID::NpadIdType>()};
+
+    LOG_DEBUG(Service_HID, "(STUBBED) called, npad_id_type={}",
+              npad_id_type); // Spams a lot when controller applet is running
+
+    IPC::ResponseBuilder rb{ctx, 3};
+    rb.Push(ResultSuccess);
+    rb.Push(false);
+}
+
+void IHidSystemServer::HasLeftRightBattery(HLERequestContext& ctx) {
+    IPC::RequestParser rp{ctx};
+    const auto npad_id_type{rp.PopEnum<Core::HID::NpadIdType>()};
+
+    LOG_DEBUG(Service_HID, "(STUBBED) called, npad_id_type={}",
+              npad_id_type); // Spams a lot when controller applet is running
+
+    struct LeftRightBattery {
+        bool left;
+        bool right;
+    };
+
+    LeftRightBattery left_right_battery{
+        .left = false,
+        .right = false,
+    };
+
+    IPC::ResponseBuilder rb{ctx, 3};
+    rb.Push(ResultSuccess);
+    rb.PushRaw(left_right_battery);
+}
+
 void IHidSystemServer::GetUniquePadsFromNpad(HLERequestContext& ctx) {
     IPC::RequestParser rp{ctx};
     const auto npad_id_type{rp.PopEnum<Core::HID::NpadIdType>()};
 
-    LOG_WARNING(Service_HID, "(STUBBED) called, npad_id_type={}", npad_id_type);
+    LOG_DEBUG(Service_HID, "(STUBBED) called, npad_id_type={}",
+              npad_id_type); // Spams a lot when controller applet is running
 
     const std::vector<Core::HID::UniquePadId> unique_pads{};
 
+    if (!unique_pads.empty()) {
         ctx.WriteBuffer(unique_pads);
+    }
 
     IPC::ResponseBuilder rb{ctx, 3};
     rb.Push(ResultSuccess);
     rb.Push(static_cast<u32>(unique_pads.size()));
 }
 
+void IHidSystemServer::GetIrSensorState(HLERequestContext& ctx) {
+    IPC::RequestParser rp{ctx};
+
+    LOG_WARNING(Service_HID, "(STUBBED) called");
+
+    IPC::ResponseBuilder rb{ctx, 2};
+    rb.Push(ResultSuccess);
+}
+
+void IHidSystemServer::AcquireConnectionTriggerTimeoutEvent(HLERequestContext& ctx) {
+    LOG_INFO(Service_AM, "(STUBBED) called");
+
+    IPC::ResponseBuilder rb{ctx, 2, 1};
+    rb.Push(ResultSuccess);
+    rb.PushCopyObjects(acquire_device_registered_event->GetReadableEvent());
+}
+
+void IHidSystemServer::AcquireDeviceRegisteredEventForControllerSupport(HLERequestContext& ctx) {
+    LOG_INFO(Service_HID, "(STUBBED) called");
+
+    IPC::ResponseBuilder rb{ctx, 2, 1};
+    rb.Push(ResultSuccess);
+    rb.PushCopyObjects(acquire_device_registered_event->GetReadableEvent());
+}
+
+void IHidSystemServer::GetRegisteredDevices(HLERequestContext& ctx) {
+    LOG_WARNING(Service_HID, "(STUBBED) called");
+
+    struct RegisterData {
+        std::array<u8, 0x68> data;
+    };
+    static_assert(sizeof(RegisterData) == 0x68, "RegisterData is an invalid size");
+    std::vector<RegisterData> registered_devices{};
+
+    if (!registered_devices.empty()) {
+        ctx.WriteBuffer(registered_devices);
+    }
+
+    IPC::ResponseBuilder rb{ctx, 4};
+    rb.Push(ResultSuccess);
+    rb.Push<u64>(registered_devices.size());
+}
+
+void IHidSystemServer::AcquireUniquePadConnectionEventHandle(HLERequestContext& ctx) {
+    LOG_WARNING(Service_HID, "(STUBBED) called");
+
+    IPC::ResponseBuilder rb{ctx, 2, 1};
+    rb.PushCopyObjects(unique_pad_connection_event->GetReadableEvent());
+    rb.Push(ResultSuccess);
+}
+
+void IHidSystemServer::GetUniquePadIds(HLERequestContext& ctx) {
+    LOG_WARNING(Service_HID, "(STUBBED) called");
+
+    IPC::ResponseBuilder rb{ctx, 4};
+    rb.Push(ResultSuccess);
+    rb.Push<u64>(0);
+}
+
 void IHidSystemServer::AcquireJoyDetachOnBluetoothOffEventHandle(HLERequestContext& ctx) {
     LOG_INFO(Service_AM, "called");
 
@@ -279,6 +501,31 @@ void IHidSystemServer::IsUsbFullKeyControllerEnabled(HLERequestContext& ctx) {
     rb.Push(is_enabled);
 }
 
+void IHidSystemServer::IsHandheldButtonPressedOnConsoleMode(HLERequestContext& ctx) {
+    const bool button_pressed = false;
+
+    LOG_DEBUG(Service_HID, "(STUBBED) called, is_enabled={}",
+              button_pressed); // Spams a lot when controller applet is open
+
+    IPC::ResponseBuilder rb{ctx, 3};
+    rb.Push(ResultSuccess);
+    rb.Push(button_pressed);
+}
+
+void IHidSystemServer::InitializeFirmwareUpdate(HLERequestContext& ctx) {
+    LOG_WARNING(Service_HID, "(STUBBED) called");
+
+    IPC::ResponseBuilder rb{ctx, 2};
+    rb.Push(ResultSuccess);
+}
+
+void IHidSystemServer::InitializeUsbFirmwareUpdateWithoutMemory(HLERequestContext& ctx) {
+    LOG_WARNING(Service_HID, "(STUBBED) called");
+
+    IPC::ResponseBuilder rb{ctx, 2};
+    rb.Push(ResultSuccess);
+}
+
 void IHidSystemServer::GetTouchScreenDefaultConfiguration(HLERequestContext& ctx) {
     LOG_WARNING(Service_HID, "(STUBBED) called");
 

src/core/hle/service/hid/hid_system_server.h

@@ -24,15 +24,38 @@ public:
 
 private:
     void ApplyNpadSystemCommonPolicy(HLERequestContext& ctx);
+    void EnableAssigningSingleOnSlSrPress(HLERequestContext& ctx);
+    void DisableAssigningSingleOnSlSrPress(HLERequestContext& ctx);
     void GetLastActiveNpad(HLERequestContext& ctx);
+    void ApplyNpadSystemCommonPolicyFull(HLERequestContext& ctx);
+    void GetNpadFullKeyGripColor(HLERequestContext& ctx);
+    void GetMaskedSupportedNpadStyleSet(HLERequestContext& ctx);
+    void SetSupportedNpadStyleSetAll(HLERequestContext& ctx);
+    void GetAppletDetailedUiType(HLERequestContext& ctx);
+    void GetNpadInterfaceType(HLERequestContext& ctx);
+    void GetNpadLeftRightInterfaceType(HLERequestContext& ctx);
+    void HasBattery(HLERequestContext& ctx);
+    void HasLeftRightBattery(HLERequestContext& ctx);
     void GetUniquePadsFromNpad(HLERequestContext& ctx);
+    void GetIrSensorState(HLERequestContext& ctx);
+    void AcquireConnectionTriggerTimeoutEvent(HLERequestContext& ctx);
+    void AcquireDeviceRegisteredEventForControllerSupport(HLERequestContext& ctx);
+    void GetRegisteredDevices(HLERequestContext& ctx);
+    void AcquireUniquePadConnectionEventHandle(HLERequestContext& ctx);
+    void GetUniquePadIds(HLERequestContext& ctx);
     void AcquireJoyDetachOnBluetoothOffEventHandle(HLERequestContext& ctx);
     void IsUsbFullKeyControllerEnabled(HLERequestContext& ctx);
+    void IsHandheldButtonPressedOnConsoleMode(HLERequestContext& ctx);
+    void InitializeFirmwareUpdate(HLERequestContext& ctx);
+    void InitializeUsbFirmwareUpdateWithoutMemory(HLERequestContext& ctx);
     void GetTouchScreenDefaultConfiguration(HLERequestContext& ctx);
 
     std::shared_ptr<ResourceManager> GetResourceManager();
 
+    Kernel::KEvent* acquire_connection_trigger_timeout_event;
+    Kernel::KEvent* acquire_device_registered_event;
     Kernel::KEvent* joy_detach_event;
+    Kernel::KEvent* unique_pad_connection_event;
     KernelHelpers::ServiceContext service_context;
     std::shared_ptr<ResourceManager> resource_manager;
 };

src/core/hle/service/ldn/ldn.cpp

@@ -115,12 +115,20 @@ public:
             {400, nullptr, "InitializeSystem"},
             {401, nullptr, "FinalizeSystem"},
             {402, nullptr, "SetOperationMode"},
-            {403, nullptr, "InitializeSystem2"},
+            {403, &ISystemLocalCommunicationService::InitializeSystem2, "InitializeSystem2"},
         };
         // clang-format on
 
         RegisterHandlers(functions);
     }
+
+private:
+    void InitializeSystem2(HLERequestContext& ctx) {
+        LOG_WARNING(Service_LDN, "(STUBBED) called");
+
+        IPC::ResponseBuilder rb{ctx, 2};
+        rb.Push(ResultSuccess);
+    }
 };
 
 class IUserLocalCommunicationService final

src/core/hle/service/set/set_sys.cpp

@@ -431,8 +431,7 @@ void SET_SYS::GetAutoUpdateEnableFlag(HLERequestContext& ctx) {
 void SET_SYS::GetBatteryPercentageFlag(HLERequestContext& ctx) {
     u8 battery_percentage_flag{1};
 
-    LOG_WARNING(Service_SET, "(STUBBED) called, battery_percentage_flag={}",
+    LOG_DEBUG(Service_SET, "(STUBBED) called, battery_percentage_flag={}", battery_percentage_flag);
-                battery_percentage_flag);
 
     IPC::ResponseBuilder rb{ctx, 3};
     rb.Push(ResultSuccess);
@@ -492,6 +491,29 @@ void SET_SYS::GetChineseTraditionalInputMethod(HLERequestContext& ctx) {
     rb.PushEnum(ChineseTraditionalInputMethod::Unknown0);
 }
 
+void SET_SYS::GetHomeMenuScheme(HLERequestContext& ctx) {
+    LOG_DEBUG(Service_SET, "(STUBBED) called");
+
+    const HomeMenuScheme default_color = {
+        .main = 0xFF323232,
+        .back = 0xFF323232,
+        .sub = 0xFFFFFFFF,
+        .bezel = 0xFFFFFFFF,
+        .extra = 0xFF000000,
+    };
+
+    IPC::ResponseBuilder rb{ctx, 7};
+    rb.Push(ResultSuccess);
+    rb.PushRaw(default_color);
+}
+
+void SET_SYS::GetHomeMenuSchemeModel(HLERequestContext& ctx) {
+    LOG_WARNING(Service_SET, "(STUBBED) called");
+
+    IPC::ResponseBuilder rb{ctx, 3};
+    rb.Push(ResultSuccess);
+    rb.Push(0);
+}
 void SET_SYS::GetFieldTestingFlag(HLERequestContext& ctx) {
     LOG_WARNING(Service_SET, "(STUBBED) called");
 
@@ -674,7 +696,7 @@ SET_SYS::SET_SYS(Core::System& system_) : ServiceFramework{system_, "set:sys"} {
         {171, nullptr, "SetChineseTraditionalInputMethod"},
         {172, nullptr, "GetPtmCycleCountReliability"},
         {173, nullptr, "SetPtmCycleCountReliability"},
-        {174, nullptr, "GetHomeMenuScheme"},
+        {174, &SET_SYS::GetHomeMenuScheme, "GetHomeMenuScheme"},
         {175, nullptr, "GetThemeSettings"},
         {176, nullptr, "SetThemeSettings"},
         {177, nullptr, "GetThemeKey"},
@@ -685,7 +707,7 @@ SET_SYS::SET_SYS(Core::System& system_) : ServiceFramework{system_, "set:sys"} {
         {182, nullptr, "SetT"},
         {183, nullptr, "GetPlatformRegion"},
         {184, nullptr, "SetPlatformRegion"},
-        {185, nullptr, "GetHomeMenuSchemeModel"},
+        {185, &SET_SYS::GetHomeMenuSchemeModel, "GetHomeMenuSchemeModel"},
         {186, nullptr, "GetMemoryUsageRateFlag"},
         {187, nullptr, "GetTouchScreenMode"},
         {188, nullptr, "SetTouchScreenMode"},

src/core/hle/service/set/set_sys.h

@@ -269,6 +269,16 @@ private:
     };
     static_assert(sizeof(EulaVersion) == 0x30, "EulaVersion is incorrect size");
 
+    /// This is nn::settings::system::HomeMenuScheme
+    struct HomeMenuScheme {
+        u32 main;
+        u32 back;
+        u32 sub;
+        u32 bezel;
+        u32 extra;
+    };
+    static_assert(sizeof(HomeMenuScheme) == 0x14, "HomeMenuScheme is incorrect size");
+
     void SetLanguageCode(HLERequestContext& ctx);
     void GetFirmwareVersion(HLERequestContext& ctx);
     void GetFirmwareVersion2(HLERequestContext& ctx);
@@ -305,6 +315,8 @@ private:
     void GetKeyboardLayout(HLERequestContext& ctx);
     void GetChineseTraditionalInputMethod(HLERequestContext& ctx);
     void GetFieldTestingFlag(HLERequestContext& ctx);
+    void GetHomeMenuScheme(HLERequestContext& ctx);
+    void GetHomeMenuSchemeModel(HLERequestContext& ctx);
 
     AccountSettings account_settings{
         .flags = {},

src/yuzu/main.cpp

@@ -1574,6 +1574,7 @@ void GMainWindow::ConnectMenuEvents() {
     connect_menu(ui->action_Load_Cabinet_Formatter,
                  [this]() { OnCabinet(Service::NFP::CabinetMode::StartFormatter); });
     connect_menu(ui->action_Load_Mii_Edit, &GMainWindow::OnMiiEdit);
+    connect_menu(ui->action_Open_Controller_Menu, &GMainWindow::OnOpenControllerMenu);
     connect_menu(ui->action_Capture_Screenshot, &GMainWindow::OnCaptureScreenshot);
 
     // TAS
@@ -1601,14 +1602,13 @@ void GMainWindow::UpdateMenuState() {
         ui->action_Pause,
     };
 
-    const std::array applet_actions{
+    const std::array applet_actions{ui->action_Load_Album,
-        ui->action_Load_Album,
                                     ui->action_Load_Cabinet_Nickname_Owner,
                                     ui->action_Load_Cabinet_Eraser,
                                     ui->action_Load_Cabinet_Restorer,
                                     ui->action_Load_Cabinet_Formatter,
                                     ui->action_Load_Mii_Edit,
-    };
+                                    ui->action_Open_Controller_Menu};
 
     for (QAction* action : running_actions) {
         action->setEnabled(emulation_running);
@@ -4346,6 +4346,31 @@ void GMainWindow::OnMiiEdit() {
     BootGame(filename, MiiEditId);
 }
 
+void GMainWindow::OnOpenControllerMenu() {
+    constexpr u64 ControllerAppletId =
+        static_cast<u64>(Service::AM::Applets::AppletProgramId::Controller);
+    auto bis_system = system->GetFileSystemController().GetSystemNANDContents();
+    if (!bis_system) {
+        QMessageBox::warning(this, tr("No firmware available"),
+                             tr("Please install the firmware to use the Controller Menu."));
+        return;
+    }
+
+    auto controller_applet_nca =
+        bis_system->GetEntry(ControllerAppletId, FileSys::ContentRecordType::Program);
+    if (!controller_applet_nca) {
+        QMessageBox::warning(this, tr("Controller Applet"),
+                             tr("Controller Menu is not available. Please reinstall firmware."));
+        return;
+    }
+
+    system->GetAppletManager().SetCurrentAppletId(Service::AM::Applets::AppletId::Controller);
+
+    const auto filename = QString::fromStdString((controller_applet_nca->GetFullPath()));
+    UISettings::values.roms_path = QFileInfo(filename).path();
+    BootGame(filename, ControllerAppletId);
+}
+
 void GMainWindow::OnCaptureScreenshot() {
     if (emu_thread == nullptr || !emu_thread->IsRunning()) {
         return;

src/yuzu/main.h

@@ -402,6 +402,7 @@ private slots:
     void OnAlbum();
     void OnCabinet(Service::NFP::CabinetMode mode);
     void OnMiiEdit();
+    void OnOpenControllerMenu();
     void OnCaptureScreenshot();
     void OnReinitializeKeys(ReinitializeKeyBehavior behavior);
     void OnLanguageChanged(const QString& locale);

src/yuzu/main.ui

@@ -25,7 +25,7 @@
   </property>
   <widget class="QWidget" name="centralwidget">
    <layout class="QHBoxLayout" name="horizontalLayout">
-    <property name="margin">
+    <property name="margin" stdset="0">
      <number>0</number>
     </property>
    </layout>
@@ -36,7 +36,7 @@
      <x>0</x>
      <y>0</y>
      <width>1280</width>
-     <height>26</height>
+     <height>21</height>
     </rect>
    </property>
    <widget class="QMenu" name="menu_File">
@@ -162,6 +162,7 @@
     <addaction name="menu_cabinet_applet"/>
     <addaction name="action_Load_Album"/>
     <addaction name="action_Load_Mii_Edit"/>
+    <addaction name="action_Open_Controller_Menu"/>
     <addaction name="separator"/>
     <addaction name="action_Capture_Screenshot"/>
     <addaction name="menuTAS"/>
@@ -454,6 +455,11 @@
     <string>R&amp;ecord</string>
    </property>
   </action>
+  <action name="action_Open_Controller_Menu">
+   <property name="text">
+    <string>Open &amp;Controller Menu</string>
+   </property>
+  </action>
  </widget>
  <resources>
   <include location="yuzu.qrc"/>