provide proper load params

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

@@ -295,11 +295,12 @@ void AppletManager::SetWindowSystem(WindowSystem* window_system) {
     // Or ulaunch initialization where we push parameters willingly!
     if (params.launch_type == LaunchType::ApplicationInitiated) {
         applet->user_channel_launch_parameter.swap(m_system.GetUserChannel());
-    } else if (params.launch_type == LaunchType::FrontendUlaunchInitiated) {
+    } else if (params.launch_type == LaunchType::FrontendUlaunchInitiated
+        || params.launch_type == LaunchType::FrontendUmenuInitiated) {
         constexpr size_t NroPathSize = 512;
         constexpr size_t NroArgvSize = 2048;
         constexpr size_t MenuCaptionSize = 1024;
-        struct UlauncherTargetInput {
+        struct UloaderTargetInput {
             u32 magic;
             bool target_once;
             bool is_auto_game_recording;
@@ -307,17 +308,42 @@ void AppletManager::SetWindowSystem(WindowSystem* window_system) {
             std::array<char, NroPathSize> nro_path;
             std::array<char, NroArgvSize> nro_argv;
             std::array<char, MenuCaptionSize> menu_caption;
-        } target_ipt = {};
-        static_assert(sizeof(target_ipt) == 3592);
-
-        target_ipt.magic = 0x49444C55; // "ULDI"
-        target_ipt.nro_path = {"sdmc:/hbmenu.nro"};
-        target_ipt.menu_caption = {"Loaded by uLoader v1.2.4 - uLaunch's custom hbloader replacement ;)"};
-
-        std::vector<u8> v(sizeof(target_ipt));
-        std::memcpy(v.data(), &target_ipt, sizeof(target_ipt));
-        applet->user_channel_launch_parameter.clear();
-        applet->user_channel_launch_parameter.push_back(std::move(v));
+        };
+        static_assert(sizeof(UloaderTargetInput) == 3592);
+
+        if (params.launch_type == LaunchType::FrontendUlaunchInitiated) {
+            UloaderTargetInput target_ipt = {};
+            target_ipt.magic = 0x49444C55; // "ULDI"
+            target_ipt.nro_path = {"sdmc:/hbmenu.nro"};
+            target_ipt.menu_caption = {"Loaded by uLoader v1.2.4 - uLaunch's custom hbloader replacement ;)"};
+
+            std::vector<u8> v(sizeof(target_ipt));
+            std::memcpy(v.data(), std::addressof(target_ipt), sizeof(target_ipt));
+            applet->user_channel_launch_parameter.clear();
+            applet->user_channel_launch_parameter.push_back(std::move(v));
+        } else {
+            typedef u64 AccountUid;
+            struct UmenuInput {
+                AccountUid selected_user;
+                UloaderTargetInput suspended_hb_target_ipt; // Set if homebrew (launched as an application) is currently suspended
+                u64 suspended_app_id; // Set if any normal application is suspended
+                std::array<char, 0x301> last_menu_fs_path; //FS_MAX_PATH
+                std::array<char, 0x301> last_menu_path;
+                u32 last_menu_index;
+                bool reload_theme_cache;
+                bool warned_about_outdated_theme;
+                u32 last_added_app_count;
+                u32 last_deleted_app_count;
+                u32 in_verify_app_count;
+            };
+
+            UmenuInput target_umenu_ipt = {};
+
+            std::vector<u8> v(sizeof(target_umenu_ipt));
+            std::memcpy(v.data(), std::addressof(target_umenu_ipt), sizeof(target_umenu_ipt));
+            applet->user_channel_launch_parameter.clear();
+            applet->user_channel_launch_parameter.push_back(std::move(v));
+        }
     }
 
     // TODO: Read whether we need a preselected user from NACP?

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

@@ -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 2024 yuzu Emulator Project
@@ -28,6 +28,7 @@ enum class LaunchType {
     ApplicationInitiated,
     // Special masquerade for AMS + uLaunch CFW
     FrontendUlaunchInitiated = 0x800,
+    FrontendUmenuInitiated,
 };
 
 struct FrontendAppletParameters {

src/yuzu/main_window.cpp

@@ -515,6 +515,7 @@ MainWindow::MainWindow(bool has_broken_vulkan)
     QString game_path;
     bool should_launch_qlaunch = false;
     bool should_launch_hlaunch = false;
+    bool should_launch_hlaunch_uloader = false;
     bool should_launch_ulaunch = false;
     bool should_launch_setup = false;
     bool has_gamepath = false;
@@ -559,6 +560,8 @@ MainWindow::MainWindow(bool has_broken_vulkan)
             should_launch_qlaunch = true;
         } else if (args[i] == QStringLiteral("-hlaunch")) {
             should_launch_hlaunch = true;
+        } else if (args[i] == QStringLiteral("-hlaunch-uloader")) {
+            should_launch_hlaunch_uloader = true;
         } else if (args[i] == QStringLiteral("-ulaunch")) {
             should_launch_ulaunch = true;
         } else if (args[i] == QStringLiteral("-setup")) {
@@ -585,12 +588,19 @@ MainWindow::MainWindow(bool has_broken_vulkan)
             std::filesystem::path const sd_dir = Common::FS::GetEdenPathString(Common::FS::EdenPath::SDMCDir);
             auto const path = (sd_dir / "atmosphere" / "hbl.nsp").string();
             BootGame(QString::fromStdString(path), ApplicationAppletParameters());
-        } else if (should_launch_ulaunch) {
+        } else if (should_launch_hlaunch_uloader) {
             std::filesystem::path const sd_dir = Common::FS::GetEdenPathString(Common::FS::EdenPath::SDMCDir);
             auto const path = (sd_dir / "ulaunch" / "bin" / "uLoader" / "application" / "main").string();
             auto params = ApplicationAppletParameters();
             params.launch_type = Service::AM::LaunchType::FrontendUlaunchInitiated;
             BootGame(QString::fromStdString(path), params);
+        } else if (should_launch_ulaunch) {
+            std::filesystem::path const sd_dir = Common::FS::GetEdenPathString(Common::FS::EdenPath::SDMCDir);
+            auto const path = (sd_dir / "ulaunch" / "bin" / "uMenu" / "main").string();
+            auto const program_id = 0x0100000000010000;
+            auto params = LibraryAppletParameters(u64(program_id), Service::AM::AppletId::Cabinet);
+            params.launch_type = Service::AM::LaunchType::FrontendUmenuInitiated;
+            BootGame(QString::fromStdString(path), params);
         }
     }
 }