diff --git a/src/core/CMakeLists.txt b/src/core/CMakeLists.txt index a355eaca64..3d2e0767a7 100644 --- a/src/core/CMakeLists.txt +++ b/src/core/CMakeLists.txt @@ -12,6 +12,8 @@ add_library(core STATIC core_timing.h core_timing_util.cpp core_timing_util.h + cpu_core_manager.cpp + cpu_core_manager.h crypto/aes_util.cpp crypto/aes_util.h crypto/encryption_layer.cpp diff --git a/src/core/core.cpp b/src/core/core.cpp index 6c72fdf4a0..795fabc652 100644 --- a/src/core/core.cpp +++ b/src/core/core.cpp @@ -14,6 +14,7 @@ #include "core/core.h" #include "core/core_cpu.h" #include "core/core_timing.h" +#include "core/cpu_core_manager.h" #include "core/file_sys/mode.h" #include "core/file_sys/vfs_concat.h" #include "core/file_sys/vfs_real.h" @@ -28,7 +29,6 @@ #include "core/hle/service/sm/sm.h" #include "core/loader/loader.h" #include "core/perf_stats.h" -#include "core/settings.h" #include "core/telemetry_session.h" #include "frontend/applets/software_keyboard.h" #include "video_core/debug_utils/debug_utils.h" @@ -71,64 +71,22 @@ FileSys::VirtualFile GetGameFileFromPath(const FileSys::VirtualFilesystem& vfs, return vfs->OpenFile(path, FileSys::Mode::Read); } - -/// Runs a CPU core while the system is powered on -void RunCpuCore(Cpu& cpu_state) { - while (Core::System::GetInstance().IsPoweredOn()) { - cpu_state.RunLoop(true); - } -} } // Anonymous namespace struct System::Impl { Cpu& CurrentCpuCore() { - if (Settings::values.use_multi_core) { - const auto& search = thread_to_cpu.find(std::this_thread::get_id()); - ASSERT(search != thread_to_cpu.end()); - ASSERT(search->second); - return *search->second; - } - - // Otherwise, use single-threaded mode active_core variable - return *cpu_cores[active_core]; + return cpu_core_manager.GetCurrentCore(); } ResultStatus RunLoop(bool tight_loop) { status = ResultStatus::Success; - // Update thread_to_cpu in case Core 0 is run from a different host thread - thread_to_cpu[std::this_thread::get_id()] = cpu_cores[0].get(); - - if (GDBStub::IsServerEnabled()) { - GDBStub::HandlePacket(); - - // If the loop is halted and we want to step, use a tiny (1) number of instructions to - // execute. Otherwise, get out of the loop function. - if (GDBStub::GetCpuHaltFlag()) { - if (GDBStub::GetCpuStepFlag()) { - tight_loop = false; - } else { - return ResultStatus::Success; - } - } - } - - for (active_core = 0; active_core < NUM_CPU_CORES; ++active_core) { - cpu_cores[active_core]->RunLoop(tight_loop); - if (Settings::values.use_multi_core) { - // Cores 1-3 are run on other threads in this mode - break; - } - } - - if (GDBStub::IsServerEnabled()) { - GDBStub::SetCpuStepFlag(false); - } + cpu_core_manager.RunLoop(tight_loop); return status; } - ResultStatus Init(Frontend::EmuWindow& emu_window) { + ResultStatus Init(System& system, Frontend::EmuWindow& emu_window) { LOG_DEBUG(HW_Memory, "initialized OK"); CoreTiming::Init(); @@ -145,12 +103,6 @@ struct System::Impl { auto main_process = Kernel::Process::Create(kernel, "main"); kernel.MakeCurrentProcess(main_process.get()); - cpu_barrier = std::make_unique(); - cpu_exclusive_monitor = Cpu::MakeExclusiveMonitor(cpu_cores.size()); - for (std::size_t index = 0; index < cpu_cores.size(); ++index) { - cpu_cores[index] = std::make_unique(*cpu_exclusive_monitor, *cpu_barrier, index); - } - telemetry_session = std::make_unique(); service_manager = std::make_shared(); @@ -164,17 +116,8 @@ struct System::Impl { gpu_core = std::make_unique(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].get(); - if (Settings::values.use_multi_core) { - for (std::size_t index = 0; index < cpu_core_threads.size(); ++index) { - cpu_core_threads[index] = - std::make_unique(RunCpuCore, std::ref(*cpu_cores[index + 1])); - thread_to_cpu[cpu_core_threads[index]->get_id()] = cpu_cores[index + 1].get(); - } - } - + cpu_core_manager.Initialize(system); + is_powered_on = true; LOG_DEBUG(Core, "Initialized OK"); // Reset counters and set time origin to current frame @@ -184,7 +127,8 @@ struct System::Impl { return ResultStatus::Success; } - ResultStatus Load(Frontend::EmuWindow& emu_window, const std::string& filepath) { + ResultStatus Load(System& system, Frontend::EmuWindow& emu_window, + const std::string& filepath) { app_loader = Loader::GetLoader(GetGameFileFromPath(virtual_filesystem, filepath)); if (!app_loader) { @@ -201,7 +145,7 @@ struct System::Impl { return ResultStatus::ErrorSystemMode; } - ResultStatus init_result{Init(emu_window)}; + ResultStatus init_result{Init(system, emu_window)}; if (init_result != ResultStatus::Success) { LOG_CRITICAL(Core, "Failed to initialize system (Error {})!", static_cast(init_result)); @@ -231,6 +175,8 @@ struct System::Impl { Telemetry().AddField(Telemetry::FieldType::Performance, "Shutdown_Frametime", perf_results.frametime * 1000.0); + is_powered_on = false; + // Shutdown emulation session renderer.reset(); GDBStub::Shutdown(); @@ -240,19 +186,7 @@ struct System::Impl { 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_exclusive_monitor.reset(); - cpu_barrier.reset(); + cpu_core_manager.Shutdown(); // Shutdown kernel and core timing kernel.Shutdown(); @@ -289,11 +223,8 @@ struct System::Impl { std::unique_ptr renderer; std::unique_ptr gpu_core; std::shared_ptr debug_context; - std::unique_ptr cpu_exclusive_monitor; - std::unique_ptr cpu_barrier; - std::array, NUM_CPU_CORES> cpu_cores; - std::array, NUM_CPU_CORES - 1> cpu_core_threads; - std::size_t active_core{}; ///< Active core, only used in single thread mode + CpuCoreManager cpu_core_manager; + bool is_powered_on = false; /// Frontend applets std::unique_ptr software_keyboard; @@ -307,9 +238,6 @@ struct System::Impl { ResultStatus status = ResultStatus::Success; std::string status_details = ""; - /// Map of guest threads to CPU cores - std::map thread_to_cpu; - Core::PerfStats perf_stats; Core::FrameLimiter frame_limiter; }; @@ -334,17 +262,15 @@ System::ResultStatus System::SingleStep() { } void System::InvalidateCpuInstructionCaches() { - for (auto& cpu : impl->cpu_cores) { - cpu->ArmInterface().ClearInstructionCache(); - } + impl->cpu_core_manager.InvalidateAllInstructionCaches(); } System::ResultStatus System::Load(Frontend::EmuWindow& emu_window, const std::string& filepath) { - return impl->Load(emu_window, filepath); + return impl->Load(*this, emu_window, filepath); } bool System::IsPoweredOn() const { - return impl->cpu_barrier && impl->cpu_barrier->IsAlive(); + return impl->is_powered_on; } void System::PrepareReschedule() { @@ -408,21 +334,20 @@ const ARM_Interface& System::ArmInterface(std::size_t core_index) const { } Cpu& System::CpuCore(std::size_t core_index) { - ASSERT(core_index < NUM_CPU_CORES); - return *impl->cpu_cores[core_index]; + return impl->cpu_core_manager.GetCore(core_index); } const Cpu& System::CpuCore(std::size_t core_index) const { ASSERT(core_index < NUM_CPU_CORES); - return *impl->cpu_cores[core_index]; + return impl->cpu_core_manager.GetCore(core_index); } ExclusiveMonitor& System::Monitor() { - return *impl->cpu_exclusive_monitor; + return impl->cpu_core_manager.GetExclusiveMonitor(); } const ExclusiveMonitor& System::Monitor() const { - return *impl->cpu_exclusive_monitor; + return impl->cpu_core_manager.GetExclusiveMonitor(); } Tegra::GPU& System::GPU() { @@ -506,7 +431,7 @@ const Core::Frontend::SoftwareKeyboardApplet& System::GetSoftwareKeyboard() cons } System::ResultStatus System::Init(Frontend::EmuWindow& emu_window) { - return impl->Init(emu_window); + return impl->Init(*this, emu_window); } void System::Shutdown() { diff --git a/src/core/cpu_core_manager.cpp b/src/core/cpu_core_manager.cpp new file mode 100644 index 0000000000..769a6fefaf --- /dev/null +++ b/src/core/cpu_core_manager.cpp @@ -0,0 +1,142 @@ +// Copyright 2018 yuzu emulator team +// Licensed under GPLv2 or any later version +// Refer to the license.txt file included. + +#include "common/assert.h" +#include "core/arm/exclusive_monitor.h" +#include "core/core.h" +#include "core/core_cpu.h" +#include "core/cpu_core_manager.h" +#include "core/gdbstub/gdbstub.h" +#include "core/settings.h" + +namespace Core { +namespace { +void RunCpuCore(const System& system, Cpu& cpu_state) { + while (system.IsPoweredOn()) { + cpu_state.RunLoop(true); + } +} +} // Anonymous namespace + +CpuCoreManager::CpuCoreManager() = default; +CpuCoreManager::~CpuCoreManager() = default; + +void CpuCoreManager::Initialize(System& system) { + barrier = std::make_unique(); + exclusive_monitor = Cpu::MakeExclusiveMonitor(cores.size()); + + for (std::size_t index = 0; index < cores.size(); ++index) { + cores[index] = std::make_unique(*exclusive_monitor, *barrier, index); + } + + // 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()] = cores[0].get(); + if (!Settings::values.use_multi_core) { + return; + } + + for (std::size_t index = 0; index < core_threads.size(); ++index) { + core_threads[index] = std::make_unique(RunCpuCore, std::cref(system), + std::ref(*cores[index + 1])); + thread_to_cpu[core_threads[index]->get_id()] = cores[index + 1].get(); + } +} + +void CpuCoreManager::Shutdown() { + barrier->NotifyEnd(); + if (Settings::values.use_multi_core) { + for (auto& thread : core_threads) { + thread->join(); + thread.reset(); + } + } + + thread_to_cpu.clear(); + for (auto& cpu_core : cores) { + cpu_core.reset(); + } + + exclusive_monitor.reset(); + barrier.reset(); +} + +Cpu& CpuCoreManager::GetCore(std::size_t index) { + return *cores.at(index); +} + +const Cpu& CpuCoreManager::GetCore(std::size_t index) const { + return *cores.at(index); +} + +ExclusiveMonitor& CpuCoreManager::GetExclusiveMonitor() { + return *exclusive_monitor; +} + +const ExclusiveMonitor& CpuCoreManager::GetExclusiveMonitor() const { + return *exclusive_monitor; +} + +Cpu& CpuCoreManager::GetCurrentCore() { + if (Settings::values.use_multi_core) { + const auto& search = thread_to_cpu.find(std::this_thread::get_id()); + ASSERT(search != thread_to_cpu.end()); + ASSERT(search->second); + return *search->second; + } + + // Otherwise, use single-threaded mode active_core variable + return *cores[active_core]; +} + +const Cpu& CpuCoreManager::GetCurrentCore() const { + if (Settings::values.use_multi_core) { + const auto& search = thread_to_cpu.find(std::this_thread::get_id()); + ASSERT(search != thread_to_cpu.end()); + ASSERT(search->second); + return *search->second; + } + + // Otherwise, use single-threaded mode active_core variable + return *cores[active_core]; +} + +void CpuCoreManager::RunLoop(bool tight_loop) { + // Update thread_to_cpu in case Core 0 is run from a different host thread + thread_to_cpu[std::this_thread::get_id()] = cores[0].get(); + + if (GDBStub::IsServerEnabled()) { + GDBStub::HandlePacket(); + + // If the loop is halted and we want to step, use a tiny (1) number of instructions to + // execute. Otherwise, get out of the loop function. + if (GDBStub::GetCpuHaltFlag()) { + if (GDBStub::GetCpuStepFlag()) { + tight_loop = false; + } else { + return; + } + } + } + + for (active_core = 0; active_core < NUM_CPU_CORES; ++active_core) { + cores[active_core]->RunLoop(tight_loop); + if (Settings::values.use_multi_core) { + // Cores 1-3 are run on other threads in this mode + break; + } + } + + if (GDBStub::IsServerEnabled()) { + GDBStub::SetCpuStepFlag(false); + } +} + +void CpuCoreManager::InvalidateAllInstructionCaches() { + for (auto& cpu : cores) { + cpu->ArmInterface().ClearInstructionCache(); + } +} + +} // namespace Core diff --git a/src/core/cpu_core_manager.h b/src/core/cpu_core_manager.h new file mode 100644 index 0000000000..a4d70ec561 --- /dev/null +++ b/src/core/cpu_core_manager.h @@ -0,0 +1,59 @@ +// Copyright 2018 yuzu emulator team +// Licensed under GPLv2 or any later version +// Refer to the license.txt file included. + +#pragma once + +#include +#include +#include +#include + +namespace Core { + +class Cpu; +class CpuBarrier; +class ExclusiveMonitor; +class System; + +class CpuCoreManager { +public: + CpuCoreManager(); + CpuCoreManager(const CpuCoreManager&) = delete; + CpuCoreManager(CpuCoreManager&&) = delete; + + ~CpuCoreManager(); + + CpuCoreManager& operator=(const CpuCoreManager&) = delete; + CpuCoreManager& operator=(CpuCoreManager&&) = delete; + + void Initialize(System& system); + void Shutdown(); + + Cpu& GetCore(std::size_t index); + const Cpu& GetCore(std::size_t index) const; + + Cpu& GetCurrentCore(); + const Cpu& GetCurrentCore() const; + + ExclusiveMonitor& GetExclusiveMonitor(); + const ExclusiveMonitor& GetExclusiveMonitor() const; + + void RunLoop(bool tight_loop); + + void InvalidateAllInstructionCaches(); + +private: + static constexpr std::size_t NUM_CPU_CORES = 4; + + std::unique_ptr exclusive_monitor; + std::unique_ptr barrier; + std::array, NUM_CPU_CORES> cores; + std::array, NUM_CPU_CORES - 1> core_threads; + std::size_t active_core{}; ///< Active core, only used in single thread mode + + /// Map of guest threads to CPU cores + std::map thread_to_cpu; +}; + +} // namespace Core