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https://github.com/yuzu-emu/yuzu.git
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a4b0a8559c
Now that we have dependencies on the initialization order, we can move the creation of the main process to a more sensible area: where we actually load in the executable data. This allows localizing the creation and loading of the process in one location, making the initialization of the process much nicer to trace.
541 lines
16 KiB
C++
541 lines
16 KiB
C++
// Copyright 2014 Citra Emulator Project
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#include <array>
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#include <memory>
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#include <utility>
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#include "common/file_util.h"
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#include "common/logging/log.h"
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#include "common/string_util.h"
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#include "core/arm/exclusive_monitor.h"
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#include "core/core.h"
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#include "core/core_cpu.h"
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#include "core/core_timing.h"
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#include "core/cpu_core_manager.h"
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#include "core/file_sys/mode.h"
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#include "core/file_sys/registered_cache.h"
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#include "core/file_sys/vfs_concat.h"
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#include "core/file_sys/vfs_real.h"
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#include "core/gdbstub/gdbstub.h"
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#include "core/hle/kernel/client_port.h"
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#include "core/hle/kernel/kernel.h"
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#include "core/hle/kernel/process.h"
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#include "core/hle/kernel/scheduler.h"
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#include "core/hle/kernel/thread.h"
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#include "core/hle/service/am/applets/software_keyboard.h"
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#include "core/hle/service/service.h"
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#include "core/hle/service/sm/sm.h"
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#include "core/loader/loader.h"
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#include "core/perf_stats.h"
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#include "core/settings.h"
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#include "core/telemetry_session.h"
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#include "file_sys/cheat_engine.h"
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#include "frontend/applets/profile_select.h"
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#include "frontend/applets/software_keyboard.h"
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#include "frontend/applets/web_browser.h"
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#include "video_core/debug_utils/debug_utils.h"
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#include "video_core/renderer_base.h"
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#include "video_core/video_core.h"
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namespace Core {
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/*static*/ System System::s_instance;
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FileSys::VirtualFile GetGameFileFromPath(const FileSys::VirtualFilesystem& vfs,
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const std::string& path) {
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// To account for split 00+01+etc files.
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std::string dir_name;
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std::string filename;
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Common::SplitPath(path, &dir_name, &filename, nullptr);
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if (filename == "00") {
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const auto dir = vfs->OpenDirectory(dir_name, FileSys::Mode::Read);
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std::vector<FileSys::VirtualFile> concat;
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for (u8 i = 0; i < 0x10; ++i) {
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auto next = dir->GetFile(fmt::format("{:02X}", i));
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if (next != nullptr)
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concat.push_back(std::move(next));
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else {
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next = dir->GetFile(fmt::format("{:02x}", i));
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if (next != nullptr)
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concat.push_back(std::move(next));
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else
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break;
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}
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}
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if (concat.empty())
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return nullptr;
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return FileSys::ConcatenatedVfsFile::MakeConcatenatedFile(concat, dir->GetName());
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}
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if (FileUtil::IsDirectory(path))
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return vfs->OpenFile(path + "/" + "main", FileSys::Mode::Read);
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return vfs->OpenFile(path, FileSys::Mode::Read);
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}
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struct System::Impl {
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explicit Impl(System& system) : kernel{system}, cpu_core_manager{system} {}
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Cpu& CurrentCpuCore() {
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return cpu_core_manager.GetCurrentCore();
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}
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ResultStatus RunLoop(bool tight_loop) {
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status = ResultStatus::Success;
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cpu_core_manager.RunLoop(tight_loop);
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return status;
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}
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ResultStatus Init(System& system, Frontend::EmuWindow& emu_window) {
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LOG_DEBUG(HW_Memory, "initialized OK");
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core_timing.Initialize();
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cpu_core_manager.Initialize();
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kernel.Initialize();
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const auto current_time = std::chrono::duration_cast<std::chrono::seconds>(
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std::chrono::system_clock::now().time_since_epoch());
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Settings::values.custom_rtc_differential =
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Settings::values.custom_rtc.value_or(current_time) - current_time;
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// Create a default fs if one doesn't already exist.
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if (virtual_filesystem == nullptr)
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virtual_filesystem = std::make_shared<FileSys::RealVfsFilesystem>();
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if (content_provider == nullptr)
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content_provider = std::make_unique<FileSys::ContentProviderUnion>();
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/// Create default implementations of applets if one is not provided.
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if (profile_selector == nullptr)
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profile_selector = std::make_unique<Core::Frontend::DefaultProfileSelectApplet>();
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if (software_keyboard == nullptr)
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software_keyboard = std::make_unique<Core::Frontend::DefaultSoftwareKeyboardApplet>();
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if (web_browser == nullptr)
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web_browser = std::make_unique<Core::Frontend::DefaultWebBrowserApplet>();
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telemetry_session = std::make_unique<Core::TelemetrySession>();
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service_manager = std::make_shared<Service::SM::ServiceManager>();
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Service::Init(service_manager, system, *virtual_filesystem);
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GDBStub::Init();
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renderer = VideoCore::CreateRenderer(emu_window, system);
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if (!renderer->Init()) {
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return ResultStatus::ErrorVideoCore;
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}
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gpu_core = VideoCore::CreateGPU(system);
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is_powered_on = true;
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LOG_DEBUG(Core, "Initialized OK");
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// Reset counters and set time origin to current frame
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GetAndResetPerfStats();
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perf_stats.BeginSystemFrame();
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return ResultStatus::Success;
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}
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ResultStatus Load(System& system, Frontend::EmuWindow& emu_window,
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const std::string& filepath) {
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app_loader = Loader::GetLoader(GetGameFileFromPath(virtual_filesystem, filepath));
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if (!app_loader) {
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LOG_CRITICAL(Core, "Failed to obtain loader for {}!", filepath);
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return ResultStatus::ErrorGetLoader;
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}
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std::pair<std::optional<u32>, Loader::ResultStatus> system_mode =
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app_loader->LoadKernelSystemMode();
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if (system_mode.second != Loader::ResultStatus::Success) {
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LOG_CRITICAL(Core, "Failed to determine system mode (Error {})!",
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static_cast<int>(system_mode.second));
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return ResultStatus::ErrorSystemMode;
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}
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ResultStatus init_result{Init(system, emu_window)};
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if (init_result != ResultStatus::Success) {
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LOG_CRITICAL(Core, "Failed to initialize system (Error {})!",
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static_cast<int>(init_result));
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Shutdown();
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return init_result;
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}
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auto main_process = Kernel::Process::Create(system, "main");
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const Loader::ResultStatus load_result{app_loader->Load(*main_process)};
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if (load_result != Loader::ResultStatus::Success) {
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LOG_CRITICAL(Core, "Failed to load ROM (Error {})!", static_cast<int>(load_result));
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Shutdown();
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return static_cast<ResultStatus>(static_cast<u32>(ResultStatus::ErrorLoader) +
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static_cast<u32>(load_result));
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}
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kernel.MakeCurrentProcess(main_process.get());
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// Main process has been loaded and been made current.
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// Begin GPU and CPU execution.
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gpu_core->Start();
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cpu_core_manager.StartThreads();
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status = ResultStatus::Success;
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return status;
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}
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void Shutdown() {
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// Log last frame performance stats
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const auto perf_results = GetAndResetPerfStats();
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telemetry_session->AddField(Telemetry::FieldType::Performance, "Shutdown_EmulationSpeed",
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perf_results.emulation_speed * 100.0);
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telemetry_session->AddField(Telemetry::FieldType::Performance, "Shutdown_Framerate",
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perf_results.game_fps);
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telemetry_session->AddField(Telemetry::FieldType::Performance, "Shutdown_Frametime",
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perf_results.frametime * 1000.0);
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is_powered_on = false;
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// Shutdown emulation session
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renderer.reset();
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GDBStub::Shutdown();
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Service::Shutdown();
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service_manager.reset();
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cheat_engine.reset();
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telemetry_session.reset();
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gpu_core.reset();
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// Close all CPU/threading state
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cpu_core_manager.Shutdown();
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// Shutdown kernel and core timing
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kernel.Shutdown();
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core_timing.Shutdown();
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// Close app loader
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app_loader.reset();
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// Clear all applets
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profile_selector.reset();
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software_keyboard.reset();
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web_browser.reset();
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LOG_DEBUG(Core, "Shutdown OK");
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}
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Loader::ResultStatus GetGameName(std::string& out) const {
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if (app_loader == nullptr)
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return Loader::ResultStatus::ErrorNotInitialized;
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return app_loader->ReadTitle(out);
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}
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void SetStatus(ResultStatus new_status, const char* details = nullptr) {
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status = new_status;
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if (details) {
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status_details = details;
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}
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}
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PerfStatsResults GetAndResetPerfStats() {
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return perf_stats.GetAndResetStats(core_timing.GetGlobalTimeUs());
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}
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Timing::CoreTiming core_timing;
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Kernel::KernelCore kernel;
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/// RealVfsFilesystem instance
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FileSys::VirtualFilesystem virtual_filesystem;
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/// ContentProviderUnion instance
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std::unique_ptr<FileSys::ContentProviderUnion> content_provider;
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/// AppLoader used to load the current executing application
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std::unique_ptr<Loader::AppLoader> app_loader;
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std::unique_ptr<VideoCore::RendererBase> renderer;
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std::unique_ptr<Tegra::GPU> gpu_core;
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std::shared_ptr<Tegra::DebugContext> debug_context;
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CpuCoreManager cpu_core_manager;
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bool is_powered_on = false;
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std::unique_ptr<FileSys::CheatEngine> cheat_engine;
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/// Frontend applets
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std::unique_ptr<Core::Frontend::ProfileSelectApplet> profile_selector;
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std::unique_ptr<Core::Frontend::SoftwareKeyboardApplet> software_keyboard;
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std::unique_ptr<Core::Frontend::WebBrowserApplet> web_browser;
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/// Service manager
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std::shared_ptr<Service::SM::ServiceManager> service_manager;
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/// Telemetry session for this emulation session
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std::unique_ptr<Core::TelemetrySession> telemetry_session;
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ResultStatus status = ResultStatus::Success;
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std::string status_details = "";
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Core::PerfStats perf_stats;
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Core::FrameLimiter frame_limiter;
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};
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System::System() : impl{std::make_unique<Impl>(*this)} {}
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System::~System() = default;
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Cpu& System::CurrentCpuCore() {
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return impl->CurrentCpuCore();
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}
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const Cpu& System::CurrentCpuCore() const {
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return impl->CurrentCpuCore();
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}
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System::ResultStatus System::RunLoop(bool tight_loop) {
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return impl->RunLoop(tight_loop);
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}
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System::ResultStatus System::SingleStep() {
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return RunLoop(false);
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}
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void System::InvalidateCpuInstructionCaches() {
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impl->cpu_core_manager.InvalidateAllInstructionCaches();
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}
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System::ResultStatus System::Load(Frontend::EmuWindow& emu_window, const std::string& filepath) {
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return impl->Load(*this, emu_window, filepath);
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}
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bool System::IsPoweredOn() const {
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return impl->is_powered_on;
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}
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void System::PrepareReschedule() {
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CurrentCpuCore().PrepareReschedule();
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}
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PerfStatsResults System::GetAndResetPerfStats() {
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return impl->GetAndResetPerfStats();
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}
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TelemetrySession& System::TelemetrySession() {
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return *impl->telemetry_session;
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}
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const TelemetrySession& System::TelemetrySession() const {
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return *impl->telemetry_session;
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}
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ARM_Interface& System::CurrentArmInterface() {
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return CurrentCpuCore().ArmInterface();
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}
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const ARM_Interface& System::CurrentArmInterface() const {
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return CurrentCpuCore().ArmInterface();
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}
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std::size_t System::CurrentCoreIndex() const {
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return CurrentCpuCore().CoreIndex();
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}
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Kernel::Scheduler& System::CurrentScheduler() {
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return CurrentCpuCore().Scheduler();
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}
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const Kernel::Scheduler& System::CurrentScheduler() const {
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return CurrentCpuCore().Scheduler();
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}
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Kernel::Scheduler& System::Scheduler(std::size_t core_index) {
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return CpuCore(core_index).Scheduler();
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}
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const Kernel::Scheduler& System::Scheduler(std::size_t core_index) const {
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return CpuCore(core_index).Scheduler();
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}
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Kernel::Process* System::CurrentProcess() {
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return impl->kernel.CurrentProcess();
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}
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const Kernel::Process* System::CurrentProcess() const {
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return impl->kernel.CurrentProcess();
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}
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ARM_Interface& System::ArmInterface(std::size_t core_index) {
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return CpuCore(core_index).ArmInterface();
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}
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const ARM_Interface& System::ArmInterface(std::size_t core_index) const {
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return CpuCore(core_index).ArmInterface();
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}
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Cpu& System::CpuCore(std::size_t core_index) {
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return impl->cpu_core_manager.GetCore(core_index);
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}
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const Cpu& System::CpuCore(std::size_t core_index) const {
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ASSERT(core_index < NUM_CPU_CORES);
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return impl->cpu_core_manager.GetCore(core_index);
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}
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ExclusiveMonitor& System::Monitor() {
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return impl->cpu_core_manager.GetExclusiveMonitor();
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}
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const ExclusiveMonitor& System::Monitor() const {
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return impl->cpu_core_manager.GetExclusiveMonitor();
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}
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Tegra::GPU& System::GPU() {
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return *impl->gpu_core;
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}
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const Tegra::GPU& System::GPU() const {
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return *impl->gpu_core;
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}
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VideoCore::RendererBase& System::Renderer() {
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return *impl->renderer;
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}
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const VideoCore::RendererBase& System::Renderer() const {
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return *impl->renderer;
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}
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Kernel::KernelCore& System::Kernel() {
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return impl->kernel;
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}
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const Kernel::KernelCore& System::Kernel() const {
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return impl->kernel;
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}
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Timing::CoreTiming& System::CoreTiming() {
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return impl->core_timing;
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}
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const Timing::CoreTiming& System::CoreTiming() const {
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return impl->core_timing;
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}
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Core::PerfStats& System::GetPerfStats() {
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return impl->perf_stats;
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}
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const Core::PerfStats& System::GetPerfStats() const {
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return impl->perf_stats;
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}
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Core::FrameLimiter& System::FrameLimiter() {
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return impl->frame_limiter;
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}
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const Core::FrameLimiter& System::FrameLimiter() const {
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return impl->frame_limiter;
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}
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Loader::ResultStatus System::GetGameName(std::string& out) const {
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return impl->GetGameName(out);
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}
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void System::SetStatus(ResultStatus new_status, const char* details) {
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impl->SetStatus(new_status, details);
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}
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const std::string& System::GetStatusDetails() const {
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return impl->status_details;
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}
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Loader::AppLoader& System::GetAppLoader() const {
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return *impl->app_loader;
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}
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void System::SetGPUDebugContext(std::shared_ptr<Tegra::DebugContext> context) {
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impl->debug_context = std::move(context);
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}
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Tegra::DebugContext* System::GetGPUDebugContext() const {
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return impl->debug_context.get();
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}
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void System::RegisterCheatList(const std::vector<FileSys::CheatList>& list,
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const std::string& build_id, VAddr code_region_start,
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VAddr code_region_end) {
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impl->cheat_engine = std::make_unique<FileSys::CheatEngine>(*this, list, build_id,
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code_region_start, code_region_end);
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}
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void System::SetFilesystem(std::shared_ptr<FileSys::VfsFilesystem> vfs) {
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impl->virtual_filesystem = std::move(vfs);
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}
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std::shared_ptr<FileSys::VfsFilesystem> System::GetFilesystem() const {
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return impl->virtual_filesystem;
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}
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void System::SetProfileSelector(std::unique_ptr<Frontend::ProfileSelectApplet> applet) {
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impl->profile_selector = std::move(applet);
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}
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const Frontend::ProfileSelectApplet& System::GetProfileSelector() const {
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return *impl->profile_selector;
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}
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void System::SetSoftwareKeyboard(std::unique_ptr<Frontend::SoftwareKeyboardApplet> applet) {
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impl->software_keyboard = std::move(applet);
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}
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const Frontend::SoftwareKeyboardApplet& System::GetSoftwareKeyboard() const {
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return *impl->software_keyboard;
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}
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void System::SetContentProvider(std::unique_ptr<FileSys::ContentProviderUnion> provider) {
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impl->content_provider = std::move(provider);
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}
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FileSys::ContentProvider& System::GetContentProvider() {
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return *impl->content_provider;
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}
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const FileSys::ContentProvider& System::GetContentProvider() const {
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return *impl->content_provider;
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}
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void System::RegisterContentProvider(FileSys::ContentProviderUnionSlot slot,
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FileSys::ContentProvider* provider) {
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impl->content_provider->SetSlot(slot, provider);
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}
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void System::ClearContentProvider(FileSys::ContentProviderUnionSlot slot) {
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impl->content_provider->ClearSlot(slot);
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}
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void System::SetWebBrowser(std::unique_ptr<Frontend::WebBrowserApplet> applet) {
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impl->web_browser = std::move(applet);
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}
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Frontend::WebBrowserApplet& System::GetWebBrowser() {
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return *impl->web_browser;
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}
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const Frontend::WebBrowserApplet& System::GetWebBrowser() const {
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return *impl->web_browser;
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}
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System::ResultStatus System::Init(Frontend::EmuWindow& emu_window) {
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return impl->Init(*this, emu_window);
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}
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void System::Shutdown() {
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impl->Shutdown();
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}
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Service::SM::ServiceManager& System::ServiceManager() {
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return *impl->service_manager;
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}
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const Service::SM::ServiceManager& System::ServiceManager() const {
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return *impl->service_manager;
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}
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} // namespace Core
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