9 files changed, 362 insertions, 7 deletions

diff --git a/src/core/CMakeLists.txt b/src/core/CMakeLists.txt
index f67f1ce92..740c5b0fd 100644
--- a/src/core/CMakeLists.txt
+++ b/src/core/CMakeLists.txt
@@ -120,6 +120,8 @@ add_library(core STATIC
     file_sys/vfs_vector.h
     file_sys/xts_archive.cpp
     file_sys/xts_archive.h
+    frontend/applets/cabinet.cpp
+    frontend/applets/cabinet.h
     frontend/applets/controller.cpp
     frontend/applets/controller.h
     frontend/applets/error.cpp
@@ -312,6 +314,8 @@ add_library(core STATIC
     hle/service/am/applet_ae.h
     hle/service/am/applet_oe.cpp
     hle/service/am/applet_oe.h
+    hle/service/am/applets/applet_cabinet.cpp
+    hle/service/am/applets/applet_cabinet.h
     hle/service/am/applets/applet_controller.cpp
     hle/service/am/applets/applet_controller.h
     hle/service/am/applets/applet_error.cpp
diff --git a/src/core/frontend/applets/cabinet.cpp b/src/core/frontend/applets/cabinet.cpp
new file mode 100644
index 000000000..5ade75de0
--- /dev/null
+++ b/src/core/frontend/applets/cabinet.cpp
@@ -0,0 +1,20 @@
+// SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include "common/logging/log.h"
+#include "core/frontend/applets/cabinet.h"
+
+#include <thread>
+
+namespace Core::Frontend {
+
+CabinetApplet::~CabinetApplet() = default;
+
+void DefaultCabinetApplet::ShowCabinetApplet(
+    std::function<void(bool, const std::string&)> callback, const CabinetParameters& parameters,
+    std::shared_ptr<Service::NFP::NfpDevice> nfp_device) const {
+    LOG_WARNING(Service_AM, "(STUBBED) called");
+    callback(false, {});
+}
+
+} // namespace Core::Frontend
diff --git a/src/core/frontend/applets/cabinet.h b/src/core/frontend/applets/cabinet.h
new file mode 100644
index 000000000..1c68bf57d
--- /dev/null
+++ b/src/core/frontend/applets/cabinet.h
@@ -0,0 +1,36 @@
+// SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+#include <functional>
+#include "core/hle/service/nfp/nfp_types.h"
+
+namespace Service::NFP {
+class NfpDevice;
+} // namespace Service::NFP
+
+namespace Core::Frontend {
+
+struct CabinetParameters {
+    Service::NFP::TagInfo tag_info;
+    Service::NFP::RegisterInfo register_info;
+    Service::NFP::CabinetMode mode;
+};
+
+class CabinetApplet {
+public:
+    virtual ~CabinetApplet();
+    virtual void ShowCabinetApplet(std::function<void(bool, const std::string&)> callback,
+                                   const CabinetParameters& parameters,
+                                   std::shared_ptr<Service::NFP::NfpDevice> nfp_device) const = 0;
+};
+
+class DefaultCabinetApplet final : public CabinetApplet {
+public:
+    void ShowCabinetApplet(std::function<void(bool, const std::string&)> callback,
+                           const CabinetParameters& parameters,
+                           std::shared_ptr<Service::NFP::NfpDevice> nfp_device) const override;
+};
+
+} // namespace Core::Frontend
diff --git a/src/core/hle/service/am/applets/applet_cabinet.cpp b/src/core/hle/service/am/applets/applet_cabinet.cpp
new file mode 100644
index 000000000..1eb5a9f22
--- /dev/null
+++ b/src/core/hle/service/am/applets/applet_cabinet.cpp
@@ -0,0 +1,169 @@
+// SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include "common/assert.h"
+#include "common/logging/log.h"
+#include "core/core.h"
+#include "core/frontend/applets/cabinet.h"
+#include "core/hid/hid_core.h"
+#include "core/hle/kernel/k_event.h"
+#include "core/hle/kernel/k_readable_event.h"
+#include "core/hle/service/am/am.h"
+#include "core/hle/service/am/applets/applet_cabinet.h"
+#include "core/hle/service/mii/mii_manager.h"
+#include "core/hle/service/nfp/nfp_device.h"
+
+namespace Service::AM::Applets {
+
+Cabinet::Cabinet(Core::System& system_, LibraryAppletMode applet_mode_,
+                 const Core::Frontend::CabinetApplet& frontend_)
+    : Applet{system_, applet_mode_}, frontend{frontend_}, system{system_}, service_context{
+                                                                               system_,
+                                                                               "CabinetApplet"} {
+
+    availability_change_event =
+        service_context.CreateEvent("CabinetApplet:AvailabilityChangeEvent");
+}
+
+Cabinet::~Cabinet() = default;
+
+void Cabinet::Initialize() {
+    Applet::Initialize();
+
+    LOG_INFO(Service_HID, "Initializing Cabinet Applet.");
+
+    LOG_ERROR(Service_HID,
+              "Initializing Applet with common_args: arg_version={}, lib_version={}, "
+              "play_startup_sound={}, size={}, system_tick={}, theme_color={}",
+              common_args.arguments_version, common_args.library_version,
+              common_args.play_startup_sound, common_args.size, common_args.system_tick,
+              common_args.theme_color);
+
+    const auto storage = broker.PopNormalDataToApplet();
+    ASSERT(storage != nullptr);
+
+    const auto applet_input_data = storage->GetData();
+    ASSERT(applet_input_data.size() >= sizeof(StartParamForAmiiboSettings));
+
+    std::memcpy(&applet_input_common, applet_input_data.data(),
+                sizeof(StartParamForAmiiboSettings));
+}
+
+bool Cabinet::TransactionComplete() const {
+    return is_complete;
+}
+
+Result Cabinet::GetStatus() const {
+    return ResultSuccess;
+}
+
+void Cabinet::ExecuteInteractive() {
+    ASSERT_MSG(false, "Attempted to call interactive execution on non-interactive applet.");
+}
+
+void Cabinet::Execute() {
+    if (is_complete) {
+        return;
+    }
+
+    const auto callback = [this](bool apply_changes, const std::string& amiibo_name) {
+        DisplayCompleted(apply_changes, amiibo_name);
+    };
+
+    // TODO: listen on all controllers
+    if (nfp_device == nullptr) {
+        nfp_device = std::make_shared<Service::NFP::NfpDevice>(
+            system.HIDCore().GetFirstNpadId(), system, service_context, availability_change_event);
+        nfp_device->Initialize();
+        nfp_device->StartDetection(Service::NFP::TagProtocol::All);
+    }
+
+    const Core::Frontend::CabinetParameters parameters{
+        .tag_info = applet_input_common.tag_info,
+        .register_info = applet_input_common.register_info,
+        .mode = applet_input_common.applet_mode,
+    };
+
+    switch (applet_input_common.applet_mode) {
+    case Service::NFP::CabinetMode::StartNicknameAndOwnerSettings:
+    case Service::NFP::CabinetMode::StartGameDataEraser:
+    case Service::NFP::CabinetMode::StartRestorer:
+    case Service::NFP::CabinetMode::StartFormatter:
+        frontend.ShowCabinetApplet(callback, parameters, nfp_device);
+        break;
+    default:
+        UNIMPLEMENTED_MSG("Unknown CabinetMode={}", applet_input_common.applet_mode);
+        DisplayCompleted(false, {});
+        break;
+    }
+}
+
+void Cabinet::DisplayCompleted(bool apply_changes, const std::string& amiibo_name) {
+    Service::Mii::MiiManager manager;
+    ReturnValueForAmiiboSettings applet_output{};
+
+    if (!apply_changes) {
+        Cancel();
+    }
+
+    if (nfp_device->GetCurrentState() != Service::NFP::DeviceState::TagFound &&
+        nfp_device->GetCurrentState() != Service::NFP::DeviceState::TagMounted) {
+        Cancel();
+    }
+
+    if (nfp_device->GetCurrentState() != Service::NFP::DeviceState::TagFound) {
+        nfp_device->Mount(Service::NFP::MountTarget::All);
+    }
+
+    switch (applet_input_common.applet_mode) {
+    case Service::NFP::CabinetMode::StartNicknameAndOwnerSettings: {
+        Service::NFP::AmiiboName name{};
+        memccpy(name.data(), amiibo_name.data(), 0, name.size());
+        nfp_device->SetNicknameAndOwner(name);
+        break;
+    }
+    case Service::NFP::CabinetMode::StartGameDataEraser:
+        nfp_device->DeleteApplicationArea();
+        break;
+    case Service::NFP::CabinetMode::StartRestorer:
+        nfp_device->RestoreAmiibo();
+        break;
+    case Service::NFP::CabinetMode::StartFormatter:
+        nfp_device->DeleteAllData();
+        break;
+    default:
+        UNIMPLEMENTED_MSG("Unknown CabinetMode={}", applet_input_common.applet_mode);
+        break;
+    }
+
+    applet_output.device_handle = applet_input_common.device_handle;
+    applet_output.result = CabinetResult::Success;
+    nfp_device->GetRegisterInfo(applet_output.register_info);
+    nfp_device->GetTagInfo(applet_output.tag_info);
+    nfp_device->Finalize();
+
+    std::vector<u8> out_data(sizeof(ReturnValueForAmiiboSettings));
+    std::memcpy(out_data.data(), &applet_output, sizeof(ReturnValueForAmiiboSettings));
+
+    is_complete = true;
+
+    broker.PushNormalDataFromApplet(std::make_shared<IStorage>(system, std::move(out_data)));
+    broker.SignalStateChanged();
+}
+
+void Cabinet::Cancel() {
+    ReturnValueForAmiiboSettings applet_output{};
+    applet_output.device_handle = applet_input_common.device_handle;
+    applet_output.result = CabinetResult::Cancel;
+    nfp_device->Finalize();
+
+    std::vector<u8> out_data(sizeof(ReturnValueForAmiiboSettings));
+    std::memcpy(out_data.data(), &applet_output, sizeof(ReturnValueForAmiiboSettings));
+
+    is_complete = true;
+
+    broker.PushNormalDataFromApplet(std::make_shared<IStorage>(system, std::move(out_data)));
+    broker.SignalStateChanged();
+}
+
+} // namespace Service::AM::Applets
diff --git a/src/core/hle/service/am/applets/applet_cabinet.h b/src/core/hle/service/am/applets/applet_cabinet.h
new file mode 100644
index 000000000..2d3f22434
--- /dev/null
+++ b/src/core/hle/service/am/applets/applet_cabinet.h
@@ -0,0 +1,99 @@
+// SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+#include <array>
+
+#include "core/hle/result.h"
+#include "core/hle/service/am/applets/applets.h"
+#include "core/hle/service/kernel_helpers.h"
+#include "core/hle/service/nfp/nfp_types.h"
+
+namespace Kernel {
+class KEvent;
+class KReadableEvent;
+} // namespace Kernel
+
+namespace Core {
+class System;
+} // namespace Core
+
+namespace Service::NFP {
+class NfpDevice;
+}
+
+namespace Service::AM::Applets {
+
+enum class CabinetAppletVersion : s32 {
+    Version1 = 0x1,
+};
+
+enum class CabinetResult : u8 {
+    Cancel,
+    Success,
+};
+
+// This is nn::nfp::AmiiboSettingsStartParam
+struct AmiiboSettingsStartParam {
+    u64 device_handle;
+    std::array<u8, 0x20> param_1;
+    std::array<u8, 0x1> param_2;
+};
+static_assert(sizeof(AmiiboSettingsStartParam) == 0x30,
+              "AmiiboSettingsStartParam is an invalid size");
+
+// This is nn::nfp::StartParamForAmiiboSettings
+struct StartParamForAmiiboSettings {
+    u8 param_1;
+    Service::NFP::CabinetMode applet_mode;
+    u8 flags;
+    u8 amiibo_settings_1;
+    u64 device_handle;
+    Service::NFP::TagInfo tag_info;
+    Service::NFP::RegisterInfo register_info;
+    std::array<u8, 0x20> amiibo_settings_3;
+    INSERT_PADDING_BYTES(0x20);
+};
+static_assert(sizeof(StartParamForAmiiboSettings) == 0x1A8,
+              "StartParamForAmiiboSettings is an invalid size");
+
+// This is nn::nfp::ReturnValueForAmiiboSettings
+struct ReturnValueForAmiiboSettings {
+    CabinetResult result;
+    INSERT_PADDING_BYTES(0x3);
+    u64 device_handle;
+    Service::NFP::TagInfo tag_info;
+    Service::NFP::RegisterInfo register_info;
+    INSERT_PADDING_BYTES(0x24);
+};
+static_assert(sizeof(ReturnValueForAmiiboSettings) == 0x190,
+              "ReturnValueForAmiiboSettings is an invalid size");
+
+class Cabinet final : public Applet {
+public:
+    explicit Cabinet(Core::System& system_, LibraryAppletMode applet_mode_,
+                     const Core::Frontend::CabinetApplet& frontend_);
+    ~Cabinet() override;
+
+    void Initialize() override;
+
+    bool TransactionComplete() const override;
+    Result GetStatus() const override;
+    void ExecuteInteractive() override;
+    void Execute() override;
+    void DisplayCompleted(bool apply_changes, const std::string& amiibo_name);
+    void Cancel();
+
+private:
+    const Core::Frontend::CabinetApplet& frontend;
+    Core::System& system;
+
+    bool is_complete{false};
+    std::shared_ptr<Service::NFP::NfpDevice> nfp_device;
+    Kernel::KEvent* availability_change_event;
+    KernelHelpers::ServiceContext service_context;
+    StartParamForAmiiboSettings applet_input_common{};
+};
+
+} // namespace Service::AM::Applets
diff --git a/src/core/hle/service/am/applets/applets.cpp b/src/core/hle/service/am/applets/applets.cpp
index 7062df21c..10afbc2da 100644
--- a/src/core/hle/service/am/applets/applets.cpp
+++ b/src/core/hle/service/am/applets/applets.cpp
@@ -5,6 +5,7 @@
 
 #include "common/assert.h"
 #include "core/core.h"
+#include "core/frontend/applets/cabinet.h"
 #include "core/frontend/applets/controller.h"
 #include "core/frontend/applets/error.h"
 #include "core/frontend/applets/general_frontend.h"
@@ -16,6 +17,7 @@
 #include "core/hle/service/am/am.h"
 #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_error.h"
 #include "core/hle/service/am/applets/applet_general_backend.h"
@@ -171,13 +173,15 @@ void Applet::Initialize() {
 
 AppletFrontendSet::AppletFrontendSet() = default;
 
-AppletFrontendSet::AppletFrontendSet(ControllerApplet controller_applet, ErrorApplet error_applet,
+AppletFrontendSet::AppletFrontendSet(CabinetApplet cabinet_applet,
+                                     ControllerApplet controller_applet, ErrorApplet error_applet,
                                      MiiEdit mii_edit_,
                                      ParentalControlsApplet parental_controls_applet,
                                      PhotoViewer photo_viewer_, ProfileSelect profile_select_,
                                      SoftwareKeyboard software_keyboard_, WebBrowser web_browser_)
-    : controller{std::move(controller_applet)}, error{std::move(error_applet)},
-      mii_edit{std::move(mii_edit_)}, parental_controls{std::move(parental_controls_applet)},
+    : cabinet{std::move(cabinet_applet)}, controller{std::move(controller_applet)},
+      error{std::move(error_applet)}, mii_edit{std::move(mii_edit_)},
+      parental_controls{std::move(parental_controls_applet)},
       photo_viewer{std::move(photo_viewer_)}, profile_select{std::move(profile_select_)},
       software_keyboard{std::move(software_keyboard_)}, web_browser{std::move(web_browser_)} {}
 
@@ -196,6 +200,10 @@ const AppletFrontendSet& AppletManager::GetAppletFrontendSet() const {
 }
 
 void AppletManager::SetAppletFrontendSet(AppletFrontendSet set) {
+    if (set.cabinet != nullptr) {
+        frontend.cabinet = std::move(set.cabinet);
+    }
+
     if (set.controller != nullptr) {
         frontend.controller = std::move(set.controller);
     }
@@ -235,6 +243,10 @@ void AppletManager::SetDefaultAppletFrontendSet() {
 }
 
 void AppletManager::SetDefaultAppletsIfMissing() {
+    if (frontend.cabinet == nullptr) {
+        frontend.cabinet = std::make_unique<Core::Frontend::DefaultCabinetApplet>();
+    }
+
     if (frontend.controller == nullptr) {
         frontend.controller =
             std::make_unique<Core::Frontend::DefaultControllerApplet>(system.HIDCore());
@@ -279,6 +291,8 @@ std::shared_ptr<Applet> AppletManager::GetApplet(AppletId id, LibraryAppletMode
     switch (id) {
     case AppletId::Auth:
         return std::make_shared<Auth>(system, mode, *frontend.parental_controls);
+    case AppletId::Cabinet:
+        return std::make_shared<Cabinet>(system, mode, *frontend.cabinet);
     case AppletId::Controller:
         return std::make_shared<Controller>(system, mode, *frontend.controller);
     case AppletId::Error:
diff --git a/src/core/hle/service/am/applets/applets.h b/src/core/hle/service/am/applets/applets.h
index 12c6a5b1a..a22eb62a8 100644
--- a/src/core/hle/service/am/applets/applets.h
+++ b/src/core/hle/service/am/applets/applets.h
@@ -16,6 +16,7 @@ class System;
 }
 
 namespace Core::Frontend {
+class CabinetApplet;
 class ControllerApplet;
 class ECommerceApplet;
 class ErrorApplet;
@@ -176,6 +177,7 @@ protected:
 };
 
 struct AppletFrontendSet {
+    using CabinetApplet = std::unique_ptr<Core::Frontend::CabinetApplet>;
     using ControllerApplet = std::unique_ptr<Core::Frontend::ControllerApplet>;
     using ErrorApplet = std::unique_ptr<Core::Frontend::ErrorApplet>;
     using MiiEdit = std::unique_ptr<Core::Frontend::MiiEditApplet>;
@@ -186,10 +188,11 @@ struct AppletFrontendSet {
     using WebBrowser = std::unique_ptr<Core::Frontend::WebBrowserApplet>;
 
     AppletFrontendSet();
-    AppletFrontendSet(ControllerApplet controller_applet, ErrorApplet error_applet,
-                      MiiEdit mii_edit_, ParentalControlsApplet parental_controls_applet,
-                      PhotoViewer photo_viewer_, ProfileSelect profile_select_,
-                      SoftwareKeyboard software_keyboard_, WebBrowser web_browser_);
+    AppletFrontendSet(CabinetApplet cabinet_applet, ControllerApplet controller_applet,
+                      ErrorApplet error_applet, MiiEdit mii_edit_,
+                      ParentalControlsApplet parental_controls_applet, PhotoViewer photo_viewer_,
+                      ProfileSelect profile_select_, SoftwareKeyboard software_keyboard_,
+                      WebBrowser web_browser_);
     ~AppletFrontendSet();
 
     AppletFrontendSet(const AppletFrontendSet&) = delete;
@@ -198,6 +201,7 @@ struct AppletFrontendSet {
     AppletFrontendSet(AppletFrontendSet&&) noexcept;
     AppletFrontendSet& operator=(AppletFrontendSet&&) noexcept;
 
+    CabinetApplet cabinet;
     ControllerApplet controller;
     ErrorApplet error;
     MiiEdit mii_edit;
diff --git a/src/core/hle/service/nfp/nfp_types.h b/src/core/hle/service/nfp/nfp_types.h
index 866aefe20..69858096a 100644
--- a/src/core/hle/service/nfp/nfp_types.h
+++ b/src/core/hle/service/nfp/nfp_types.h
@@ -99,6 +99,13 @@ enum class TagProtocol : u32 {
     All = 0xFFFFFFFFU,
 };
 
+enum class CabinetMode : u8 {
+    StartNicknameAndOwnerSettings,
+    StartGameDataEraser,
+    StartRestorer,
+    StartFormatter,
+};
+
 using UniqueSerialNumber = std::array<u8, 7>;
 using LockBytes = std::array<u8, 2>;
 using HashData = std::array<u8, 0x20>;
diff --git a/src/yuzu/main.cpp b/src/yuzu/main.cpp
index 032ff1cbc..27c9e1f32 100644
--- a/src/yuzu/main.cpp
+++ b/src/yuzu/main.cpp
@@ -26,6 +26,7 @@
 #include "configuration/configure_tas.h"
 #include "core/file_sys/vfs.h"
 #include "core/file_sys/vfs_real.h"
+#include "core/frontend/applets/cabinet.h"
 #include "core/frontend/applets/controller.h"
 #include "core/frontend/applets/general_frontend.h"
 #include "core/frontend/applets/mii_edit.h"
@@ -1547,6 +1548,7 @@ bool GMainWindow::LoadROM(const QString& filename, u64 program_id, std::size_t p
     system->SetFilesystem(vfs);
 
     system->SetAppletFrontendSet({
+        nullptr,                                       // Amiibo Manager
         std::make_unique<QtControllerSelector>(*this), // Controller Selector
         std::make_unique<QtErrorDisplay>(*this),       // Error Display
         nullptr,                                       // Mii Editor