Added (incomplete) stubs to allow for booting the v18.0.0 firmware

src/core/hle/kernel/k_page_table_base.cpp

@@ -165,6 +165,7 @@ Result KPageTableBase::InitializeForKernel(bool is_64_bit, KVirtualAddress start
     m_kernel_map_region_end = 0;
     m_alias_code_region_start = 0;
     m_alias_code_region_end = 0;
+    m_reserved_region_extra_size = 0;
     m_code_region_start = 0;
     m_code_region_end = 0;
     m_max_heap_size = 0;
@@ -253,6 +254,15 @@ Result KPageTableBase::InitializeForProcess(Svc::CreateProcessFlag as_type, bool
         m_alias_code_region_end = m_code_region_end;
         process_code_start = Common::AlignDown(GetInteger(code_address), RegionAlignment);
         process_code_end = Common::AlignUp(GetInteger(code_address) + code_size, RegionAlignment);
+
+        // TODO: (jarrodnorwell)
+        // [switchbrew.org][0] Address space type must be 39-bit
+        // [switchbrew.org][1] System resource size must be > 0
+        // [switchbrew.org][2] KTargetSystem::IsDebugMode() must be true
+        if (as_type == Svc::CreateProcessFlag::EnableReservedRegionExtraSize) {
+            m_reserved_region_extra_size = GetAddressSpaceSize() / 8;
+            alias_region_size += alias_region_size;
+        }
     } else {
         stack_region_size = 0;
         kernel_map_region_size = 0;

src/core/hle/kernel/k_page_table_base.h

@@ -208,6 +208,7 @@ private:
     size_t m_mapped_unsafe_physical_memory{};
     size_t m_mapped_insecure_memory{};
     size_t m_mapped_ipc_server_memory{};
+    size_t m_reserved_region_extra_size{};
     mutable KLightLock m_general_lock;
     mutable KLightLock m_map_physical_memory_lock;
     KLightLock m_device_map_lock;
@@ -694,6 +695,9 @@ public:
     size_t GetAliasCodeRegionSize() const {
         return m_alias_code_region_end - m_alias_code_region_start;
     }
+    size_t GetReservedRegionExtraSize() const {
+        return m_reserved_region_extra_size;
+    }
 
     size_t GetNormalMemorySize() const {
         // Lock the table.

src/core/hle/kernel/k_process_page_table.h

@@ -422,6 +422,9 @@ public:
     size_t GetAliasCodeRegionSize() const {
         return m_page_table.GetAliasCodeRegionSize();
     }
+    size_t GetReservedRegionExtraSize() const {
+        return m_page_table.GetReservedRegionExtraSize();
+    }
 
     size_t GetNormalMemorySize() const {
         return m_page_table.GetNormalMemorySize();

src/core/hle/kernel/svc/svc_info.cpp

@@ -37,7 +37,8 @@ Result GetInfo(Core::System& system, u64* result, InfoType info_id_type, Handle
     case InfoType::TotalNonSystemMemorySize:
     case InfoType::UsedNonSystemMemorySize:
     case InfoType::IsApplication:
-    case InfoType::FreeThreadCount: {
+    case InfoType::FreeThreadCount:
+    case InfoType::ReservedRegionExtraSize: {
         R_UNLESS(info_sub_id == 0, ResultInvalidEnumValue);
 
         const auto& handle_table = GetCurrentProcess(system.Kernel()).GetHandleTable();
@@ -134,6 +135,10 @@ Result GetInfo(Core::System& system, u64* result, InfoType info_id_type, Handle
             }
             R_SUCCEED();
 
+        case InfoType::ReservedRegionExtraSize:
+            *result = process->GetPageTable().GetReservedRegionExtraSize();
+            R_SUCCEED();
+
         default:
             break;
         }

src/core/hle/kernel/svc_types.h

@@ -153,6 +153,7 @@ enum class InfoType : u32 {
     ThreadTickCount = 25,
     IsSvcPermitted = 26,
     IoRegionHint = 27,
+    ReservedRegionExtraSize = 28,
 
     MesosphereMeta = 65000,
     MesosphereCurrentProcess = 65001,
@@ -642,9 +643,13 @@ enum class CreateProcessFlag : u32 {
     // 11.x+ DisableDeviceAddressSpaceMerge.
     DisableDeviceAddressSpaceMerge = (1 << 12),
 
+    // 18.x+ EnableReservedRegionExtraSize.
+    EnableReservedRegionExtraSize = (1 << 13),
+
     // Mask of all flags.
     All = Is64Bit | AddressSpaceMask | EnableDebug | EnableAslr | IsApplication |
-          PoolPartitionMask | OptimizeMemoryAllocation | DisableDeviceAddressSpaceMerge,
+          PoolPartitionMask | OptimizeMemoryAllocation | DisableDeviceAddressSpaceMerge |
+          EnableReservedRegionExtraSize,
 };
 DECLARE_ENUM_FLAG_OPERATORS(CreateProcessFlag);
 

src/core/hle/service/acc/acc.cpp

@@ -99,6 +99,7 @@ public:
             {140, nullptr, "GetNetworkServiceLicenseCache"}, // 5.0.0+
             {141, nullptr, "RefreshNetworkServiceLicenseCacheAsync"}, // 5.0.0+
             {142, nullptr, "RefreshNetworkServiceLicenseCacheAsyncIfSecondsElapsed"}, // 5.0.0+
+            {143, nullptr, "GetNetworkServiceLicenseCacheEx"}, // 15.0.0+
             {150, nullptr, "CreateAuthorizationRequest"},
             {160, nullptr, "RequiresUpdateNetworkServiceAccountIdTokenCache"},
             {161, nullptr, "RequireReauthenticationOfNetworkServiceAccount"},
@@ -326,7 +327,7 @@ public:
             {11, &IProfileCommon::LoadImage, "LoadImage"},
             {20, nullptr, "GetLargeImageSize"}, // 18.0.0+
             {21, nullptr, "LoadLargeImage"}, // 18.0.0+
-            {30, nullptr, "GetImageId"} // 18.0.0+
+            {30, &IProfileCommon::GetImageId, "GetImageId"} // 18.0.0+
         };
         // clang-format on
 
@@ -405,6 +406,14 @@ protected:
         rb.Push(static_cast<u32>(buffer.size()));
     }
 
+    void GetImageId(HLERequestContext& ctx) {
+        LOG_DEBUG(Service_ACC, "(STUBBED) called");
+
+        IPC::ResponseBuilder rb{ctx, 3};
+        rb.Push(ResultSuccess);
+        rb.Push(0);
+    }
+
     void GetImageSize(HLERequestContext& ctx) {
         LOG_DEBUG(Service_ACC, "called");
         IPC::ResponseBuilder rb{ctx, 3};

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

@@ -38,7 +38,7 @@ ICommonStateGetter::ICommonStateGetter(Core::System& system_, std::shared_ptr<Ap
         {30, nullptr, "GetHomeButtonReaderLockAccessor"},
         {31, &ICommonStateGetter::GetReaderLockAccessorEx, "GetReaderLockAccessorEx"},
         {32, nullptr, "GetWriterLockAccessorEx"},
-        {40, nullptr, "GetCradleFwVersion"},
+        {40, &ICommonStateGetter::GetCradleFwVersion, "GetCradleFwVersion"},
         {50, &ICommonStateGetter::IsVrModeEnabled, "IsVrModeEnabled"},
         {51, &ICommonStateGetter::SetVrModeEnabled, "SetVrModeEnabled"},
         {52, &ICommonStateGetter::SetLcdBacklighOffEnabled, "SetLcdBacklighOffEnabled"},
@@ -170,6 +170,13 @@ void ICommonStateGetter::GetAcquiredSleepLockEvent(HLERequestContext& ctx) {
     rb.PushCopyObjects(applet->sleep_lock_event.GetHandle());
 }
 
+void ICommonStateGetter::GetCradleFwVersion(HLERequestContext& ctx) {
+    LOG_WARNING(Service_AM, "(STUBBED) called");
+
+    IPC::ResponseBuilder rb{ctx, 2};
+    rb.Push(ResultSuccess);
+}
+
 void ICommonStateGetter::IsVrModeEnabled(HLERequestContext& ctx) {
     LOG_DEBUG(Service_AM, "called");
 

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

@@ -58,6 +58,7 @@ private:
     void GetOperationMode(HLERequestContext& ctx);
     void GetPerformanceMode(HLERequestContext& ctx);
     void GetBootMode(HLERequestContext& ctx);
+    void GetCradleFwVersion(HLERequestContext& ctx);
     void IsVrModeEnabled(HLERequestContext& ctx);
     void SetVrModeEnabled(HLERequestContext& ctx);
     void SetLcdBacklighOffEnabled(HLERequestContext& ctx);

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

@@ -38,7 +38,7 @@ ICommonStateGetter::ICommonStateGetter(Core::System& system_, std::shared_ptr<Ap
         {30, nullptr, "GetHomeButtonReaderLockAccessor"},
         {31, D<&ICommonStateGetter::GetReaderLockAccessorEx>, "GetReaderLockAccessorEx"},
         {32, D<&ICommonStateGetter::GetWriterLockAccessorEx>, "GetWriterLockAccessorEx"},
-        {40, nullptr, "GetCradleFwVersion"},
+        {40, D<&ICommonStateGetter::GetCradleFwVersion>, "GetCradleFwVersion"},
         {50, D<&ICommonStateGetter::IsVrModeEnabled>, "IsVrModeEnabled"},
         {51, D<&ICommonStateGetter::SetVrModeEnabled>, "SetVrModeEnabled"},
         {52, D<&ICommonStateGetter::SetLcdBacklighOffEnabled>, "SetLcdBacklighOffEnabled"},
@@ -161,6 +161,11 @@ Result ICommonStateGetter::GetBootMode(Out<PM::SystemBootMode> out_boot_mode) {
     R_SUCCEED();
 }
 
+Result ICommonStateGetter::GetCradleFwVersion() {
+    LOG_WARNING(Service_AM, "(STUBBED) called");
+    R_SUCCEED();
+}
+
 Result ICommonStateGetter::IsVrModeEnabled(Out<bool> out_is_vr_mode_enabled) {
     LOG_DEBUG(Service_AM, "called");
 

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

@@ -38,6 +38,7 @@ private:
     Result GetOperationMode(Out<OperationMode> out_operation_mode);
     Result GetPerformanceMode(Out<APM::PerformanceMode> out_performance_mode);
     Result GetBootMode(Out<PM::SystemBootMode> out_boot_mode);
+    Result GetCradleFwVersion();
     Result IsVrModeEnabled(Out<bool> out_is_vr_mode_enabled);
     Result SetVrModeEnabled(bool is_vr_mode_enabled);
     Result SetLcdBacklighOffEnabled(bool is_lcd_backlight_off_enabled);

src/core/hle/service/bcat/news/news_service.cpp

@@ -9,7 +9,7 @@ namespace Service::News {
 INewsService::INewsService(Core::System& system_) : ServiceFramework{system_, "INewsService"} {
     // clang-format off
     static const FunctionInfo functions[] = {
-        {10100, nullptr, "PostLocalNews"},
+        {10100, D<&INewsService::PostLocalNews>, "PostLocalNews"},
         {20100, nullptr, "SetPassphrase"},
         {30100, D<&INewsService::GetSubscriptionStatus>, "GetSubscriptionStatus"},
         {30101, nullptr, "GetTopicList"},
@@ -36,6 +36,11 @@ INewsService::INewsService(Core::System& system_) : ServiceFramework{system_, "I
 
 INewsService::~INewsService() = default;
 
+Result INewsService::PostLocalNews() {
+    LOG_WARNING(Service_BCAT, "(STUBBED) called");
+    R_SUCCEED();
+}
+
 Result INewsService::GetSubscriptionStatus(Out<u32> out_status,
                                            InBuffer<BufferAttr_HipcPointer> buffer_data) {
     LOG_WARNING(Service_BCAT, "(STUBBED) called, buffer_size={}", buffer_data.size());

src/core/hle/service/bcat/news/news_service.h

@@ -18,6 +18,8 @@ public:
     ~INewsService() override;
 
 private:
+    Result PostLocalNews();
+
     Result GetSubscriptionStatus(Out<u32> out_status, InBuffer<BufferAttr_HipcPointer> buffer_data);
 
     Result IsSystemUpdateRequired(Out<bool> out_is_system_update_required);

src/core/hle/service/filesystem/fsp/fsp_srv.cpp

@@ -67,7 +67,7 @@ FSP_SRV::FSP_SRV(Core::System& system_)
         {24, nullptr, "RegisterSaveDataFileSystemAtomicDeletion"},
         {25, nullptr, "DeleteSaveDataFileSystemBySaveDataSpaceId"},
         {26, nullptr, "FormatSdCardDryRun"},
-        {27, nullptr, "IsExFatSupported"},
+        {27, D<&FSP_SRV::IsExFatSupported>, "IsExFatSupported"},
         {28, nullptr, "DeleteSaveDataFileSystemBySaveDataAttribute"},
         {30, nullptr, "OpenGameCardStorage"},
         {31, nullptr, "OpenGameCardFileSystem"},
@@ -247,6 +247,11 @@ Result FSP_SRV::CreateSaveDataFileSystemBySystemSaveDataId(
                                                   save_struct));
 }
 
+Result FSP_SRV::IsExFatSupported(bool is_exfat_supported) {
+    LOG_INFO(Service_FS, "(STUBBED) called.");
+    R_SUCCEED();
+}
+
 Result FSP_SRV::OpenSaveDataFileSystem(OutInterface<IFileSystem> out_interface,
                                        FileSys::SaveDataSpaceId space_id,
                                        FileSys::SaveDataAttribute attribute) {

src/core/hle/service/filesystem/fsp/fsp_srv.h

@@ -55,6 +55,7 @@ private:
                                     FileSys::SaveDataAttribute save_struct, u128 uid);
     Result CreateSaveDataFileSystemBySystemSaveDataId(
         FileSys::SaveDataAttribute save_struct, FileSys::SaveDataCreationInfo save_create_struct);
+    Result IsExFatSupported(bool is_exfat_supported);
     Result OpenSaveDataFileSystem(OutInterface<IFileSystem> out_interface,
                                   FileSys::SaveDataSpaceId space_id,
                                   FileSys::SaveDataAttribute attribute);

src/core/hle/service/filesystem/fsp_srv.cpp

@@ -756,7 +756,7 @@ FSP_SRV::FSP_SRV(Core::System& system_)
         {24, nullptr, "RegisterSaveDataFileSystemAtomicDeletion"},
         {25, nullptr, "DeleteSaveDataFileSystemBySaveDataSpaceId"},
         {26, nullptr, "FormatSdCardDryRun"},
-        {27, nullptr, "IsExFatSupported"},
+        {27, &FSP_SRV::IsExFatSupported, "IsExFatSupported"},
         {28, nullptr, "DeleteSaveDataFileSystemBySaveDataAttribute"},
         {30, nullptr, "OpenGameCardStorage"},
         {31, nullptr, "OpenGameCardFileSystem"},
@@ -946,6 +946,14 @@ void FSP_SRV::CreateSaveDataFileSystemBySystemSaveDataId(HLERequestContext& ctx)
     rb.Push(ResultSuccess);
 }
 
+void FSP_SRV::IsExFatSupported(HLERequestContext& ctx) {
+    LOG_INFO(Service_FS, "(STUBBED) called.");
+
+    IPC::ResponseBuilder rb{ctx, 3};
+    rb.Push(ResultSuccess);
+    rb.Push(0);
+}
+
 void FSP_SRV::OpenSaveDataFileSystem(HLERequestContext& ctx) {
     IPC::RequestParser rp{ctx};
 

src/core/hle/service/filesystem/fsp_srv.h

@@ -43,6 +43,7 @@ private:
     void OpenSdCardFileSystem(HLERequestContext& ctx);
     void CreateSaveDataFileSystem(HLERequestContext& ctx);
     void CreateSaveDataFileSystemBySystemSaveDataId(HLERequestContext& ctx);
+    void IsExFatSupported(HLERequestContext& ctx);
     void OpenSaveDataFileSystem(HLERequestContext& ctx);
     void OpenSaveDataFileSystemBySystemSaveDataId(HLERequestContext& ctx);
     void OpenReadOnlySaveDataFileSystem(HLERequestContext& ctx);

src/core/hle/service/nifm/nifm.cpp

@@ -419,6 +419,14 @@ void IGeneralService::GetCurrentNetworkProfile(HLERequestContext& ctx) {
     rb.Push(ResultSuccess);
 }
 
+void IGeneralService::EnumerateNetworkInterfaces(HLERequestContext& ctx) {
+    for (const auto& interface : Network::GetAvailableNetworkInterfaces())
+        LOG_WARNING(Service_NIFM, "(STUBBED) called, interface={}", interface.name);
+
+    IPC::ResponseBuilder rb{ctx, 2};
+    rb.Push(ResultSuccess);
+}
+
 void IGeneralService::RemoveNetworkProfile(HLERequestContext& ctx) {
     LOG_WARNING(Service_NIFM, "(STUBBED) called");
 
@@ -565,6 +573,15 @@ void IGeneralService::IsAnyForegroundRequestAccepted(HLERequestContext& ctx) {
     rb.Push<u8>(is_accepted);
 }
 
+void IGeneralService::GetSsidListVersion(HLERequestContext& ctx) {
+    const u32 ssid = 1;
+    LOG_WARNING(Service_NIFM, "(STUBBED) called");
+
+    IPC::ResponseBuilder rb{ctx, 3};
+    rb.Push(ResultSuccess);
+    rb.Push<u64>(ssid);
+}
+
 IGeneralService::IGeneralService(Core::System& system_)
     : ServiceFramework{system_, "IGeneralService"}, network{system_.GetRoomNetwork()} {
     // clang-format off
@@ -573,7 +590,7 @@ IGeneralService::IGeneralService(Core::System& system_)
         {2, &IGeneralService::CreateScanRequest, "CreateScanRequest"},
         {4, &IGeneralService::CreateRequest, "CreateRequest"},
         {5, &IGeneralService::GetCurrentNetworkProfile, "GetCurrentNetworkProfile"},
-        {6, nullptr, "EnumerateNetworkInterfaces"},
+        {6, &IGeneralService::EnumerateNetworkInterfaces, "EnumerateNetworkInterfaces"},
         {7, nullptr, "EnumerateNetworkProfiles"},
         {8, nullptr, "GetNetworkProfile"},
         {9, nullptr, "SetNetworkProfile"},
@@ -592,7 +609,7 @@ IGeneralService::IGeneralService(Core::System& system_)
         {22, &IGeneralService::IsAnyForegroundRequestAccepted, "IsAnyForegroundRequestAccepted"},
         {23, nullptr, "PutToSleep"},
         {24, nullptr, "WakeUp"},
-        {25, nullptr, "GetSsidListVersion"},
+        {25, &IGeneralService::GetSsidListVersion, "GetSsidListVersion"},
         {26, nullptr, "SetExclusiveClient"},
         {27, nullptr, "GetDefaultIpSetting"},
         {28, nullptr, "SetDefaultIpSetting"},

src/core/hle/service/nifm/nifm.h

@@ -27,6 +27,7 @@ private:
     void CreateScanRequest(HLERequestContext& ctx);
     void CreateRequest(HLERequestContext& ctx);
     void GetCurrentNetworkProfile(HLERequestContext& ctx);
+    void EnumerateNetworkInterfaces(HLERequestContext& ctx);
     void RemoveNetworkProfile(HLERequestContext& ctx);
     void GetCurrentIpAddress(HLERequestContext& ctx);
     void CreateTemporaryNetworkProfile(HLERequestContext& ctx);
@@ -36,6 +37,7 @@ private:
     void IsEthernetCommunicationEnabled(HLERequestContext& ctx);
     void IsAnyInternetRequestAccepted(HLERequestContext& ctx);
     void IsAnyForegroundRequestAccepted(HLERequestContext& ctx);
+    void GetSsidListVersion(HLERequestContext& ctx);
 
     Network::RoomNetwork& network;
 };

src/core/hle/service/npns/npns.cpp

@@ -25,7 +25,7 @@ public:
             {5, C<&INpnsSystem::GetReceiveEvent>, "GetReceiveEvent"},
             {6, nullptr, "ListenUndelivered"},
             {7, nullptr, "GetStateChangeEvent"},
-            {8, nullptr, "ListenToByName"}, // 18.0.0+
+            {8, C<&INpnsSystem::ListenToByName>, "ListenToByName"}, // 18.0.0+
             {11, nullptr, "SubscribeTopic"},
             {12, nullptr, "UnsubscribeTopic"},
             {13, nullptr, "QueryIsTopicExist"},
@@ -57,10 +57,10 @@ public:
             {51, nullptr, "DeleteDigitalTwinKeyValue"}, // 18.0.0+
             {101, nullptr, "Suspend"},
             {102, nullptr, "Resume"},
-            {103, nullptr, "GetState"},
+            {103, C<&INpnsSystem::GetState>, "GetState"},
             {104, nullptr, "GetStatistics"},
             {105, nullptr, "GetPlayReportRequestEvent"},
-            {106, nullptr, "GetLastNotifiedTime"}, // 18.0.0+
+            {106, C<&INpnsSystem::GetLastNotifiedTime>, "GetLastNotifiedTime"}, // 18.0.0+
             {107, nullptr, "SetLastNotifiedTime"}, // 18.0.0+
             {111, nullptr, "GetJid"},
             {112, nullptr, "CreateJid"},
@@ -109,6 +109,21 @@ private:
         R_SUCCEED();
     }
 
+    Result ListenToByName() {
+        LOG_WARNING(Service_AM, "(STUBBED) called");
+        R_SUCCEED();
+    }
+
+    Result GetState() {
+        LOG_WARNING(Service_AM, "(STUBBED) called");
+        R_SUCCEED();
+    }
+
+    Result GetLastNotifiedTime() {
+        LOG_WARNING(Service_AM, "(STUBBED) called");
+        R_SUCCEED();
+    }
+
     KernelHelpers::ServiceContext service_context;
     Kernel::KEvent* get_receive_event;
 };

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

@@ -786,6 +786,13 @@ void SET_SYS::GetKeyboardLayout(HLERequestContext& ctx) {
     rb.Push(static_cast<u32>(selected_keyboard_layout));
 }
 
+void SET_SYS::GetRebootlessSystemUpdateVersion(HLERequestContext& ctx) {
+    LOG_WARNING(Service_SET, "(STUBBED) called.");
+
+    IPC::ResponseBuilder rb{ctx, 2};
+    rb.Push(ResultSuccess);
+}
+
 void SET_SYS::GetDeviceTimeZoneLocationUpdatedTime(HLERequestContext& ctx) {
     LOG_WARNING(Service_SET, "called.");
 
@@ -1021,7 +1028,7 @@ SET_SYS::SET_SYS(Core::System& system_) : ServiceFramework{system_, "set:sys"},
         {146, nullptr, "SetConsoleSixAxisSensorAngularVelocityTimeBias"},
         {147, nullptr, "GetConsoleSixAxisSensorAngularAcceleration"},
         {148, nullptr, "SetConsoleSixAxisSensorAngularAcceleration"},
-        {149, nullptr, "GetRebootlessSystemUpdateVersion"},
+        {149, &SET_SYS::GetRebootlessSystemUpdateVersion, "GetRebootlessSystemUpdateVersion"},
         {150, &SET_SYS::GetDeviceTimeZoneLocationUpdatedTime, "GetDeviceTimeZoneLocationUpdatedTime"},
         {151, &SET_SYS::SetDeviceTimeZoneLocationUpdatedTime, "SetDeviceTimeZoneLocationUpdatedTime"},
         {152, &SET_SYS::GetUserSystemClockAutomaticCorrectionUpdatedTime, "GetUserSystemClockAutomaticCorrectionUpdatedTime"},

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

@@ -238,7 +238,7 @@ ISystemSettingsServer::ISystemSettingsServer(Core::System& system_)
         {146, nullptr, "SetConsoleSixAxisSensorAngularVelocityTimeBias"},
         {147, nullptr, "GetConsoleSixAxisSensorAngularAcceleration"},
         {148, nullptr, "SetConsoleSixAxisSensorAngularAcceleration"},
-        {149, nullptr, "GetRebootlessSystemUpdateVersion"},
+        {149, C<&ISystemSettingsServer::GetRebootlessSystemUpdateVersion>, "GetRebootlessSystemUpdateVersion"},
         {150, C<&ISystemSettingsServer::GetDeviceTimeZoneLocationUpdatedTime>, "GetDeviceTimeZoneLocationUpdatedTime"},
         {151, C<&ISystemSettingsServer::SetDeviceTimeZoneLocationUpdatedTime>, "SetDeviceTimeZoneLocationUpdatedTime"},
         {152, C<&ISystemSettingsServer::GetUserSystemClockAutomaticCorrectionUpdatedTime>, "GetUserSystemClockAutomaticCorrectionUpdatedTime"},
@@ -1198,6 +1198,11 @@ Result ISystemSettingsServer::SetKeyboardLayout(KeyboardLayout keyboard_layout)
     R_SUCCEED();
 }
 
+Result ISystemSettingsServer::GetRebootlessSystemUpdateVersion() {
+    LOG_WARNING(Service_SET, "(STUBBED) called.");
+    R_SUCCEED();
+}
+
 Result ISystemSettingsServer::GetDeviceTimeZoneLocationUpdatedTime(
     Out<Service::PSC::Time::SteadyClockTimePoint> out_time_point) {
     LOG_INFO(Service_SET, "called");

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

@@ -136,6 +136,7 @@ public:
     Result SetAppletLaunchFlags(u32 applet_launch_flag);
     Result GetKeyboardLayout(Out<KeyboardLayout> out_keyboard_layout);
     Result SetKeyboardLayout(KeyboardLayout keyboard_layout);
+    Result GetRebootlessSystemUpdateVersion();
     Result GetDeviceTimeZoneLocationUpdatedTime(
         Out<Service::PSC::Time::SteadyClockTimePoint> out_time_point);
     Result SetDeviceTimeZoneLocationUpdatedTime(

src/sudachi/main.cpp

@@ -1593,6 +1593,7 @@ void GMainWindow::ConnectMenuEvents() {
                  [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_Load_Home_Menu, &GMainWindow::OnHomeMenu);
     connect_menu(ui->action_Capture_Screenshot, &GMainWindow::OnCaptureScreenshot);
 
     // TAS
@@ -4487,6 +4488,29 @@ void GMainWindow::OnOpenControllerMenu() {
              LibraryAppletParameters(ControllerAppletId, Service::AM::AppletId::Controller));
 }
 
+void GMainWindow::OnHomeMenu() {
+    constexpr u64 QLaunchId = static_cast<u64>(Service::AM::AppletProgramId::QLaunch);
+    auto bis_system = system->GetFileSystemController().GetSystemNANDContents();
+    if (!bis_system) {
+        QMessageBox::warning(this, tr("No firmware available"),
+                             tr("Please install the firmware to use the Home Menu."));
+        return;
+    }
+
+    auto qlaunch_applet_nca = bis_system->GetEntry(QLaunchId, FileSys::ContentRecordType::Program);
+    if (!qlaunch_applet_nca) {
+        QMessageBox::warning(this, tr("Home Menu Applet"),
+                             tr("Home Menu is not available. Please reinstall firmware."));
+        return;
+    }
+
+    system->GetFrontendAppletHolder().SetCurrentAppletId(Service::AM::AppletId::QLaunch);
+
+    const auto filename = QString::fromStdString((qlaunch_applet_nca->GetFullPath()));
+    UISettings::values.roms_path = QFileInfo(filename).path().toStdString();
+    BootGame(filename, LibraryAppletParameters(QLaunchId, Service::AM::AppletId::QLaunch));
+}
+
 void GMainWindow::OnCaptureScreenshot() {
     if (emu_thread == nullptr || !emu_thread->IsRunning()) {
         return;

src/sudachi/main.h

@@ -399,6 +399,7 @@ private slots:
     void OnCabinet(Service::NFP::CabinetMode mode);
     void OnMiiEdit();
     void OnOpenControllerMenu();
+    void OnHomeMenu();
     void OnCaptureScreenshot();
     void OnCheckFirmwareDecryption();
     void OnLanguageChanged(const QString& locale);

src/sudachi/main.ui

@@ -174,6 +174,8 @@
     <addaction name="action_Load_Mii_Edit"/>
     <addaction name="action_Open_Controller_Menu"/>
     <addaction name="separator"/>
+    <addaction name="action_Load_Home_Menu"/>
+    <addaction name="separator"/>
     <addaction name="action_Capture_Screenshot"/>
     <addaction name="menuTAS"/>
    </widget>
@@ -475,6 +477,11 @@
     <string>Install Decryption Keys</string>
    </property>
   </action>
+  <action name="action_Load_Home_Menu">
+   <property name="text">
+    <string>Open Home Menu</string>
+   </property>
+  </action>
  </widget>
  <resources>
   <include location="sudachi.qrc"/>