core: Make the main System class use the PImpl idiom
core.h is kind of a massive header in terms what it includes within itself. It includes VFS utilities, kernel headers, file_sys header, ARM-related headers, etc. This means that changing anything in the headers included by core.h essentially requires you to rebuild almost all of core. Instead, we can modify the System class to use the PImpl idiom, which allows us to move all of those headers to the cpp file and forward declare the bulk of the types that would otherwise be included, reducing compile times. This change specifically only performs the PImpl portion.
This commit is contained in:
Lioncash
parent
5094dfa081
commit
e2457418da
5 changed files with 410 additions and 302 deletions
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@ -27,71 +27,9 @@ namespace Core {
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/*static*/ System System::s_instance;
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System::System() = default;
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System::~System() = default;
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/// Runs a CPU core while the system is powered on
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static void RunCpuCore(std::shared_ptr<Cpu> cpu_state) {
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while (Core::System::GetInstance().IsPoweredOn()) {
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cpu_state->RunLoop(true);
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}
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}
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Cpu& System::CurrentCpuCore() {
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// If multicore is enabled, use host thread to figure out the current CPU core
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if (Settings::values.use_multi_core) {
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const auto& search = thread_to_cpu.find(std::this_thread::get_id());
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ASSERT(search != thread_to_cpu.end());
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ASSERT(search->second);
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return *search->second;
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}
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// Otherwise, use single-threaded mode active_core variable
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return *cpu_cores[active_core];
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}
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System::ResultStatus System::RunLoop(bool tight_loop) {
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status = ResultStatus::Success;
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// Update thread_to_cpu in case Core 0 is run from a different host thread
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thread_to_cpu[std::this_thread::get_id()] = cpu_cores[0];
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if (GDBStub::IsServerEnabled()) {
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GDBStub::HandlePacket();
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// If the loop is halted and we want to step, use a tiny (1) number of instructions to
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// execute. Otherwise, get out of the loop function.
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if (GDBStub::GetCpuHaltFlag()) {
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if (GDBStub::GetCpuStepFlag()) {
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tight_loop = false;
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} else {
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return ResultStatus::Success;
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}
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}
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}
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for (active_core = 0; active_core < NUM_CPU_CORES; ++active_core) {
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cpu_cores[active_core]->RunLoop(tight_loop);
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if (Settings::values.use_multi_core) {
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// Cores 1-3 are run on other threads in this mode
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break;
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}
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}
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if (GDBStub::IsServerEnabled()) {
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GDBStub::SetCpuStepFlag(false);
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}
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return status;
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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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static FileSys::VirtualFile GetGameFileFromPath(const FileSys::VirtualFilesystem& vfs,
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const std::string& path) {
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namespace {
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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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@ -121,41 +59,267 @@ static FileSys::VirtualFile GetGameFileFromPath(const FileSys::VirtualFilesystem
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return vfs->OpenFile(path, FileSys::Mode::Read);
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}
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/// Runs a CPU core while the system is powered on
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void RunCpuCore(std::shared_ptr<Cpu> cpu_state) {
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while (Core::System::GetInstance().IsPoweredOn()) {
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cpu_state->RunLoop(true);
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}
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}
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} // Anonymous namespace
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struct System::Impl {
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Cpu& CurrentCpuCore() {
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if (Settings::values.use_multi_core) {
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const auto& search = thread_to_cpu.find(std::this_thread::get_id());
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ASSERT(search != thread_to_cpu.end());
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ASSERT(search->second);
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return *search->second;
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}
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// Otherwise, use single-threaded mode active_core variable
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return *cpu_cores[active_core];
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}
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ResultStatus RunLoop(bool tight_loop) {
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status = ResultStatus::Success;
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// Update thread_to_cpu in case Core 0 is run from a different host thread
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thread_to_cpu[std::this_thread::get_id()] = cpu_cores[0];
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if (GDBStub::IsServerEnabled()) {
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GDBStub::HandlePacket();
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// If the loop is halted and we want to step, use a tiny (1) number of instructions to
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// execute. Otherwise, get out of the loop function.
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if (GDBStub::GetCpuHaltFlag()) {
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if (GDBStub::GetCpuStepFlag()) {
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tight_loop = false;
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} else {
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return ResultStatus::Success;
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}
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}
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}
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for (active_core = 0; active_core < NUM_CPU_CORES; ++active_core) {
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cpu_cores[active_core]->RunLoop(tight_loop);
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if (Settings::values.use_multi_core) {
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// Cores 1-3 are run on other threads in this mode
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break;
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}
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}
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if (GDBStub::IsServerEnabled()) {
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GDBStub::SetCpuStepFlag(false);
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}
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return status;
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}
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ResultStatus Init(Frontend::EmuWindow& emu_window) {
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LOG_DEBUG(HW_Memory, "initialized OK");
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CoreTiming::Init();
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kernel.Initialize();
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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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current_process = Kernel::Process::Create(kernel, "main");
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cpu_barrier = std::make_shared<CpuBarrier>();
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cpu_exclusive_monitor = Cpu::MakeExclusiveMonitor(cpu_cores.size());
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for (size_t index = 0; index < cpu_cores.size(); ++index) {
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cpu_cores[index] = std::make_shared<Cpu>(cpu_exclusive_monitor, cpu_barrier, index);
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}
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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, virtual_filesystem);
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GDBStub::Init();
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renderer = VideoCore::CreateRenderer(emu_window);
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if (!renderer->Init()) {
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return ResultStatus::ErrorVideoCore;
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}
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gpu_core = std::make_unique<Tegra::GPU>(renderer->Rasterizer());
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// Create threads for CPU cores 1-3, and build thread_to_cpu map
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// CPU core 0 is run on the main thread
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thread_to_cpu[std::this_thread::get_id()] = cpu_cores[0];
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if (Settings::values.use_multi_core) {
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for (size_t index = 0; index < cpu_core_threads.size(); ++index) {
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cpu_core_threads[index] =
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std::make_unique<std::thread>(RunCpuCore, cpu_cores[index + 1]);
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thread_to_cpu[cpu_core_threads[index]->get_id()] = cpu_cores[index + 1];
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}
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}
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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(Frontend::EmuWindow& emu_window, 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<boost::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(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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const Loader::ResultStatus load_result{app_loader->Load(current_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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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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auto perf_results = GetAndResetPerfStats();
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Telemetry().AddField(Telemetry::FieldType::Performance, "Shutdown_EmulationSpeed",
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perf_results.emulation_speed * 100.0);
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Telemetry().AddField(Telemetry::FieldType::Performance, "Shutdown_Framerate",
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perf_results.game_fps);
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Telemetry().AddField(Telemetry::FieldType::Performance, "Shutdown_Frametime",
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perf_results.frametime * 1000.0);
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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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telemetry_session.reset();
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gpu_core.reset();
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// Close all CPU/threading state
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cpu_barrier->NotifyEnd();
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if (Settings::values.use_multi_core) {
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for (auto& thread : cpu_core_threads) {
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thread->join();
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thread.reset();
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}
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}
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thread_to_cpu.clear();
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for (auto& cpu_core : cpu_cores) {
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cpu_core.reset();
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}
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cpu_barrier.reset();
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// Shutdown kernel and core timing
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kernel.Shutdown();
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CoreTiming::Shutdown();
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// Close app loader
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app_loader.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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PerfStats::Results GetAndResetPerfStats() {
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return perf_stats.GetAndResetStats(CoreTiming::GetGlobalTimeUs());
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}
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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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/// 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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Kernel::SharedPtr<Kernel::Process> current_process;
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std::shared_ptr<ExclusiveMonitor> cpu_exclusive_monitor;
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std::shared_ptr<CpuBarrier> cpu_barrier;
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std::array<std::shared_ptr<Cpu>, NUM_CPU_CORES> cpu_cores;
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std::array<std::unique_ptr<std::thread>, NUM_CPU_CORES - 1> cpu_core_threads;
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size_t active_core{}; ///< Active core, only used in single thread mode
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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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/// Map of guest threads to CPU cores
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std::map<std::thread::id, std::shared_ptr<Cpu>> thread_to_cpu;
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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>()} {}
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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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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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for (auto& cpu : impl->cpu_cores) {
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cpu->ArmInterface().ClearInstructionCache();
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}
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}
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System::ResultStatus System::Load(Frontend::EmuWindow& emu_window, const std::string& filepath) {
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app_loader = Loader::GetLoader(GetGameFileFromPath(virtual_filesystem, filepath));
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return impl->Load(emu_window, filepath);
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}
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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<boost::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(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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System::Shutdown();
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return init_result;
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}
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const Loader::ResultStatus load_result{app_loader->Load(current_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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System::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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status = ResultStatus::Success;
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return status;
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bool System::IsPoweredOn() const {
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return impl->cpu_barrier && impl->cpu_barrier->IsAlive();
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}
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void System::PrepareReschedule() {
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@ -163,131 +327,134 @@ void System::PrepareReschedule() {
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}
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PerfStats::Results System::GetAndResetPerfStats() {
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return perf_stats.GetAndResetStats(CoreTiming::GetGlobalTimeUs());
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return impl->GetAndResetPerfStats();
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}
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Core::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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size_t System::CurrentCoreIndex() {
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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 std::shared_ptr<Kernel::Scheduler>& System::Scheduler(size_t core_index) {
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ASSERT(core_index < NUM_CPU_CORES);
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return cpu_cores[core_index]->Scheduler();
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return impl->cpu_cores[core_index]->Scheduler();
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}
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Kernel::KernelCore& System::Kernel() {
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return kernel;
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}
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const Kernel::KernelCore& System::Kernel() const {
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return kernel;
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Kernel::SharedPtr<Kernel::Process>& System::CurrentProcess() {
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return impl->current_process;
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}
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ARM_Interface& System::ArmInterface(size_t core_index) {
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ASSERT(core_index < NUM_CPU_CORES);
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return cpu_cores[core_index]->ArmInterface();
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return impl->cpu_cores[core_index]->ArmInterface();
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}
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Cpu& System::CpuCore(size_t core_index) {
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ASSERT(core_index < NUM_CPU_CORES);
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return *cpu_cores[core_index];
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return *impl->cpu_cores[core_index];
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}
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ExclusiveMonitor& System::Monitor() {
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return *impl->cpu_exclusive_monitor;
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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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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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||||
}
|
||||
|
||||
Loader::AppLoader& System::GetAppLoader() const {
|
||||
return *impl->app_loader;
|
||||
}
|
||||
|
||||
void System::SetGPUDebugContext(std::shared_ptr<Tegra::DebugContext> context) {
|
||||
impl->debug_context = std::move(context);
|
||||
}
|
||||
|
||||
std::shared_ptr<Tegra::DebugContext> System::GetGPUDebugContext() const {
|
||||
return impl->debug_context;
|
||||
}
|
||||
|
||||
void System::SetFilesystem(FileSys::VirtualFilesystem vfs) {
|
||||
impl->virtual_filesystem = std::move(vfs);
|
||||
}
|
||||
|
||||
FileSys::VirtualFilesystem System::GetFilesystem() const {
|
||||
return impl->virtual_filesystem;
|
||||
}
|
||||
|
||||
System::ResultStatus System::Init(Frontend::EmuWindow& emu_window) {
|
||||
LOG_DEBUG(HW_Memory, "initialized OK");
|
||||
|
||||
CoreTiming::Init();
|
||||
kernel.Initialize();
|
||||
|
||||
// Create a default fs if one doesn't already exist.
|
||||
if (virtual_filesystem == nullptr)
|
||||
virtual_filesystem = std::make_shared<FileSys::RealVfsFilesystem>();
|
||||
|
||||
current_process = Kernel::Process::Create(kernel, "main");
|
||||
|
||||
cpu_barrier = std::make_shared<CpuBarrier>();
|
||||
cpu_exclusive_monitor = Cpu::MakeExclusiveMonitor(cpu_cores.size());
|
||||
for (size_t index = 0; index < cpu_cores.size(); ++index) {
|
||||
cpu_cores[index] = std::make_shared<Cpu>(cpu_exclusive_monitor, cpu_barrier, index);
|
||||
}
|
||||
|
||||
telemetry_session = std::make_unique<Core::TelemetrySession>();
|
||||
service_manager = std::make_shared<Service::SM::ServiceManager>();
|
||||
|
||||
Service::Init(service_manager, virtual_filesystem);
|
||||
GDBStub::Init();
|
||||
|
||||
renderer = VideoCore::CreateRenderer(emu_window);
|
||||
if (!renderer->Init()) {
|
||||
return ResultStatus::ErrorVideoCore;
|
||||
}
|
||||
|
||||
gpu_core = std::make_unique<Tegra::GPU>(renderer->Rasterizer());
|
||||
|
||||
// Create threads for CPU cores 1-3, and build thread_to_cpu map
|
||||
// CPU core 0 is run on the main thread
|
||||
thread_to_cpu[std::this_thread::get_id()] = cpu_cores[0];
|
||||
if (Settings::values.use_multi_core) {
|
||||
for (size_t index = 0; index < cpu_core_threads.size(); ++index) {
|
||||
cpu_core_threads[index] =
|
||||
std::make_unique<std::thread>(RunCpuCore, cpu_cores[index + 1]);
|
||||
thread_to_cpu[cpu_core_threads[index]->get_id()] = cpu_cores[index + 1];
|
||||
}
|
||||
}
|
||||
|
||||
LOG_DEBUG(Core, "Initialized OK");
|
||||
|
||||
// Reset counters and set time origin to current frame
|
||||
GetAndResetPerfStats();
|
||||
perf_stats.BeginSystemFrame();
|
||||
|
||||
return ResultStatus::Success;
|
||||
return impl->Init(emu_window);
|
||||
}
|
||||
|
||||
void System::Shutdown() {
|
||||
// Log last frame performance stats
|
||||
auto perf_results = GetAndResetPerfStats();
|
||||
Telemetry().AddField(Telemetry::FieldType::Performance, "Shutdown_EmulationSpeed",
|
||||
perf_results.emulation_speed * 100.0);
|
||||
Telemetry().AddField(Telemetry::FieldType::Performance, "Shutdown_Framerate",
|
||||
perf_results.game_fps);
|
||||
Telemetry().AddField(Telemetry::FieldType::Performance, "Shutdown_Frametime",
|
||||
perf_results.frametime * 1000.0);
|
||||
|
||||
// Shutdown emulation session
|
||||
renderer.reset();
|
||||
GDBStub::Shutdown();
|
||||
Service::Shutdown();
|
||||
service_manager.reset();
|
||||
telemetry_session.reset();
|
||||
gpu_core.reset();
|
||||
|
||||
// Close all CPU/threading state
|
||||
cpu_barrier->NotifyEnd();
|
||||
if (Settings::values.use_multi_core) {
|
||||
for (auto& thread : cpu_core_threads) {
|
||||
thread->join();
|
||||
thread.reset();
|
||||
}
|
||||
}
|
||||
thread_to_cpu.clear();
|
||||
for (auto& cpu_core : cpu_cores) {
|
||||
cpu_core.reset();
|
||||
}
|
||||
cpu_barrier.reset();
|
||||
|
||||
// Shutdown kernel and core timing
|
||||
kernel.Shutdown();
|
||||
CoreTiming::Shutdown();
|
||||
|
||||
// Close app loader
|
||||
app_loader.reset();
|
||||
|
||||
LOG_DEBUG(Core, "Shutdown OK");
|
||||
impl->Shutdown();
|
||||
}
|
||||
|
||||
Service::SM::ServiceManager& System::ServiceManager() {
|
||||
return *service_manager;
|
||||
return *impl->service_manager;
|
||||
}
|
||||
|
||||
const Service::SM::ServiceManager& System::ServiceManager() const {
|
||||
return *service_manager;
|
||||
return *impl->service_manager;
|
||||
}
|
||||
|
||||
} // namespace Core
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue