Merge pull request #1777 from lioncash/core-mgr
core: Relocate CPU core management to its own class
This commit is contained in:
bunnei
GitHub
commit
f1969ee1f3
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@ -12,6 +12,8 @@ add_library(core STATIC
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core_timing.h
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core_timing_util.cpp
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core_timing_util.h
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cpu_core_manager.cpp
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cpu_core_manager.h
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crypto/aes_util.cpp
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crypto/aes_util.h
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crypto/encryption_layer.cpp
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@ -14,6 +14,7 @@
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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/vfs_concat.h"
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#include "core/file_sys/vfs_real.h"
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@ -28,7 +29,6 @@
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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 "frontend/applets/software_keyboard.h"
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#include "video_core/debug_utils/debug_utils.h"
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@ -71,64 +71,22 @@ FileSys::VirtualFile GetGameFileFromPath(const FileSys::VirtualFilesystem& vfs,
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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(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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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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// 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].get();
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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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cpu_core_manager.RunLoop(tight_loop);
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return status;
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}
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ResultStatus Init(Frontend::EmuWindow& emu_window) {
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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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CoreTiming::Init();
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@ -145,12 +103,6 @@ struct System::Impl {
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auto main_process = Kernel::Process::Create(kernel, "main");
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kernel.MakeCurrentProcess(main_process.get());
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cpu_barrier = std::make_unique<CpuBarrier>();
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cpu_exclusive_monitor = Cpu::MakeExclusiveMonitor(cpu_cores.size());
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for (std::size_t index = 0; index < cpu_cores.size(); ++index) {
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cpu_cores[index] = std::make_unique<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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@ -164,17 +116,8 @@ struct System::Impl {
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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].get();
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if (Settings::values.use_multi_core) {
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for (std::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, std::ref(*cpu_cores[index + 1]));
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thread_to_cpu[cpu_core_threads[index]->get_id()] = cpu_cores[index + 1].get();
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}
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}
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cpu_core_manager.Initialize(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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@ -184,7 +127,8 @@ struct System::Impl {
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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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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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@ -201,7 +145,7 @@ struct System::Impl {
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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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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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@ -231,6 +175,8 @@ struct System::Impl {
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Telemetry().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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@ -240,19 +186,7 @@ struct System::Impl {
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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_exclusive_monitor.reset();
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cpu_barrier.reset();
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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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@ -289,11 +223,8 @@ struct System::Impl {
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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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std::unique_ptr<ExclusiveMonitor> cpu_exclusive_monitor;
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std::unique_ptr<CpuBarrier> cpu_barrier;
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std::array<std::unique_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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std::size_t active_core{}; ///< Active core, only used in single thread mode
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CpuCoreManager cpu_core_manager;
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bool is_powered_on = false;
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/// Frontend applets
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std::unique_ptr<Core::Frontend::SoftwareKeyboardApplet> software_keyboard;
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@ -307,9 +238,6 @@ struct System::Impl {
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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, 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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@ -334,17 +262,15 @@ System::ResultStatus System::SingleStep() {
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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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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(emu_window, 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->cpu_barrier && impl->cpu_barrier->IsAlive();
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return impl->is_powered_on;
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}
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void System::PrepareReschedule() {
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@ -408,21 +334,20 @@ const ARM_Interface& System::ArmInterface(std::size_t core_index) const {
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}
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Cpu& System::CpuCore(std::size_t core_index) {
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ASSERT(core_index < NUM_CPU_CORES);
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return *impl->cpu_cores[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_cores[core_index];
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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_exclusive_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_exclusive_monitor;
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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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@ -506,7 +431,7 @@ const Core::Frontend::SoftwareKeyboardApplet& System::GetSoftwareKeyboard() cons
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}
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System::ResultStatus System::Init(Frontend::EmuWindow& emu_window) {
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return impl->Init(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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@ -0,0 +1,142 @@
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// Copyright 2018 yuzu emulator team
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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 "common/assert.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/cpu_core_manager.h"
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#include "core/gdbstub/gdbstub.h"
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#include "core/settings.h"
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namespace Core {
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namespace {
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void RunCpuCore(const System& system, Cpu& cpu_state) {
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while (system.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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CpuCoreManager::CpuCoreManager() = default;
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CpuCoreManager::~CpuCoreManager() = default;
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void CpuCoreManager::Initialize(System& system) {
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barrier = std::make_unique<CpuBarrier>();
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exclusive_monitor = Cpu::MakeExclusiveMonitor(cores.size());
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for (std::size_t index = 0; index < cores.size(); ++index) {
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cores[index] = std::make_unique<Cpu>(*exclusive_monitor, *barrier, index);
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}
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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()] = cores[0].get();
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if (!Settings::values.use_multi_core) {
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return;
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}
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for (std::size_t index = 0; index < core_threads.size(); ++index) {
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core_threads[index] = std::make_unique<std::thread>(RunCpuCore, std::cref(system),
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std::ref(*cores[index + 1]));
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thread_to_cpu[core_threads[index]->get_id()] = cores[index + 1].get();
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}
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}
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void CpuCoreManager::Shutdown() {
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barrier->NotifyEnd();
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if (Settings::values.use_multi_core) {
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for (auto& thread : 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 : cores) {
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cpu_core.reset();
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}
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exclusive_monitor.reset();
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barrier.reset();
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}
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Cpu& CpuCoreManager::GetCore(std::size_t index) {
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return *cores.at(index);
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}
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const Cpu& CpuCoreManager::GetCore(std::size_t index) const {
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return *cores.at(index);
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}
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ExclusiveMonitor& CpuCoreManager::GetExclusiveMonitor() {
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return *exclusive_monitor;
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}
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const ExclusiveMonitor& CpuCoreManager::GetExclusiveMonitor() const {
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return *exclusive_monitor;
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}
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Cpu& CpuCoreManager::GetCurrentCore() {
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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 *cores[active_core];
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}
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const Cpu& CpuCoreManager::GetCurrentCore() const {
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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 *cores[active_core];
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}
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void CpuCoreManager::RunLoop(bool tight_loop) {
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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()] = cores[0].get();
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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;
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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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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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}
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void CpuCoreManager::InvalidateAllInstructionCaches() {
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for (auto& cpu : cores) {
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cpu->ArmInterface().ClearInstructionCache();
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}
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}
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} // namespace Core
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@ -0,0 +1,59 @@
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// Copyright 2018 yuzu emulator team
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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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#pragma once
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#include <array>
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#include <map>
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#include <memory>
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#include <thread>
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namespace Core {
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class Cpu;
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class CpuBarrier;
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class ExclusiveMonitor;
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class System;
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class CpuCoreManager {
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public:
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CpuCoreManager();
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CpuCoreManager(const CpuCoreManager&) = delete;
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CpuCoreManager(CpuCoreManager&&) = delete;
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~CpuCoreManager();
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CpuCoreManager& operator=(const CpuCoreManager&) = delete;
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CpuCoreManager& operator=(CpuCoreManager&&) = delete;
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void Initialize(System& system);
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void Shutdown();
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Cpu& GetCore(std::size_t index);
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const Cpu& GetCore(std::size_t index) const;
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Cpu& GetCurrentCore();
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const Cpu& GetCurrentCore() const;
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ExclusiveMonitor& GetExclusiveMonitor();
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const ExclusiveMonitor& GetExclusiveMonitor() const;
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void RunLoop(bool tight_loop);
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void InvalidateAllInstructionCaches();
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private:
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static constexpr std::size_t NUM_CPU_CORES = 4;
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std::unique_ptr<ExclusiveMonitor> exclusive_monitor;
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std::unique_ptr<CpuBarrier> barrier;
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std::array<std::unique_ptr<Cpu>, NUM_CPU_CORES> cores;
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std::array<std::unique_ptr<std::thread>, NUM_CPU_CORES - 1> core_threads;
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std::size_t active_core{}; ///< Active core, only used in single thread mode
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/// Map of guest threads to CPU cores
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std::map<std::thread::id, Cpu*> thread_to_cpu;
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};
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} // namespace Core
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