diff --git a/src/core/core.cpp b/src/core/core.cpp index 5d4ecdce5..fd1bdcaf0 100644 --- a/src/core/core.cpp +++ b/src/core/core.cpp @@ -149,6 +149,9 @@ struct System::Impl { device_memory = std::make_unique(system); + kernel.SetMulticore(Settings::values.use_multi_core); + cpu_manager.SetMulticore(Settings::values.use_multi_core); + core_timing.Initialize([&system]() { system.RegisterHostThread(); }); kernel.Initialize(); cpu_manager.Initialize(); diff --git a/src/core/cpu_manager.cpp b/src/core/cpu_manager.cpp index 9a261968a..e72f89808 100644 --- a/src/core/cpu_manager.cpp +++ b/src/core/cpu_manager.cpp @@ -26,9 +26,13 @@ void CpuManager::ThreadStart(CpuManager& cpu_manager, std::size_t core) { void CpuManager::Initialize() { running_mode = true; - for (std::size_t core = 0; core < Core::Hardware::NUM_CPU_CORES; core++) { - core_data[core].host_thread = - std::make_unique(ThreadStart, std::ref(*this), core); + if (is_multicore) { + for (std::size_t core = 0; core < Core::Hardware::NUM_CPU_CORES; core++) { + core_data[core].host_thread = + std::make_unique(ThreadStart, std::ref(*this), core); + } + } else { + core_data[0].host_thread = std::make_unique(ThreadStart, std::ref(*this), 0); } } @@ -41,26 +45,6 @@ void CpuManager::Shutdown() { } } -void CpuManager::GuestThreadFunction(void* cpu_manager_) { - CpuManager* cpu_manager = static_cast(cpu_manager_); - cpu_manager->RunGuestThread(); -} - -void CpuManager::GuestRewindFunction(void* cpu_manager_) { - CpuManager* cpu_manager = static_cast(cpu_manager_); - cpu_manager->RunGuestLoop(); -} - -void CpuManager::IdleThreadFunction(void* cpu_manager_) { - CpuManager* cpu_manager = static_cast(cpu_manager_); - cpu_manager->RunIdleThread(); -} - -void CpuManager::SuspendThreadFunction(void* cpu_manager_) { - CpuManager* cpu_manager = static_cast(cpu_manager_); - cpu_manager->RunSuspendThread(); -} - std::function CpuManager::GetGuestThreadStartFunc() { return std::function(GuestThreadFunction); } @@ -73,20 +57,60 @@ std::function CpuManager::GetSuspendThreadStartFunc() { return std::function(SuspendThreadFunction); } +void CpuManager::GuestThreadFunction(void* cpu_manager_) { + CpuManager* cpu_manager = static_cast(cpu_manager_); + if (cpu_manager->is_multicore) { + cpu_manager->MultiCoreRunGuestThread(); + } else { + cpu_manager->SingleCoreRunGuestThread(); + } +} + +void CpuManager::GuestRewindFunction(void* cpu_manager_) { + CpuManager* cpu_manager = static_cast(cpu_manager_); + if (cpu_manager->is_multicore) { + cpu_manager->MultiCoreRunGuestLoop(); + } else { + cpu_manager->SingleCoreRunGuestLoop(); + } +} + +void CpuManager::IdleThreadFunction(void* cpu_manager_) { + CpuManager* cpu_manager = static_cast(cpu_manager_); + if (cpu_manager->is_multicore) { + cpu_manager->MultiCoreRunIdleThread(); + } else { + cpu_manager->SingleCoreRunIdleThread(); + } +} + +void CpuManager::SuspendThreadFunction(void* cpu_manager_) { + CpuManager* cpu_manager = static_cast(cpu_manager_); + if (cpu_manager->is_multicore) { + cpu_manager->MultiCoreRunSuspendThread(); + } else { + cpu_manager->SingleCoreRunSuspendThread(); + } +} + void* CpuManager::GetStartFuncParamater() { return static_cast(this); } -void CpuManager::RunGuestThread() { +/////////////////////////////////////////////////////////////////////////////// +/// MultiCore /// +/////////////////////////////////////////////////////////////////////////////// + +void CpuManager::MultiCoreRunGuestThread() { auto& kernel = system.Kernel(); { auto& sched = kernel.CurrentScheduler(); sched.OnThreadStart(); } - RunGuestLoop(); + MultiCoreRunGuestLoop(); } -void CpuManager::RunGuestLoop() { +void CpuManager::MultiCoreRunGuestLoop() { auto& kernel = system.Kernel(); auto* thread = kernel.CurrentScheduler().GetCurrentThread(); auto host_context = thread->GetHostContext(); @@ -103,7 +127,7 @@ void CpuManager::RunGuestLoop() { } } -void CpuManager::RunIdleThread() { +void CpuManager::MultiCoreRunIdleThread() { auto& kernel = system.Kernel(); while (true) { auto& physical_core = kernel.CurrentPhysicalCore(); @@ -113,7 +137,7 @@ void CpuManager::RunIdleThread() { } } -void CpuManager::RunSuspendThread() { +void CpuManager::MultiCoreRunSuspendThread() { auto& kernel = system.Kernel(); { auto& sched = kernel.CurrentScheduler(); @@ -130,7 +154,7 @@ void CpuManager::RunSuspendThread() { } } -void CpuManager::Pause(bool paused) { +void CpuManager::MultiCorePause(bool paused) { if (!paused) { bool all_not_barrier = false; while (!all_not_barrier) { @@ -171,10 +195,120 @@ void CpuManager::Pause(bool paused) { paused_state = paused; } +/////////////////////////////////////////////////////////////////////////////// +/// SingleCore /// +/////////////////////////////////////////////////////////////////////////////// + +void CpuManager::SingleCoreRunGuestThread() { + auto& kernel = system.Kernel(); + { + auto& sched = kernel.CurrentScheduler(); + sched.OnThreadStart(); + } + SingleCoreRunGuestLoop(); +} + +void CpuManager::SingleCoreRunGuestLoop() { + auto& kernel = system.Kernel(); + auto* thread = kernel.CurrentScheduler().GetCurrentThread(); + auto host_context = thread->GetHostContext(); + host_context->SetRewindPoint(std::function(GuestRewindFunction), this); + host_context.reset(); + while (true) { + auto& physical_core = kernel.CurrentPhysicalCore(); + while (!physical_core.IsInterrupted()) { + physical_core.Run(); + preemption_count++; + if (preemption_count % max_cycle_runs == 0) { + break; + } + } + physical_core.ClearExclusive(); + PreemptSingleCore(); + auto& scheduler = physical_core.Scheduler(); + scheduler.TryDoContextSwitch(); + } +} + +void CpuManager::SingleCoreRunIdleThread() { + auto& kernel = system.Kernel(); + while (true) { + auto& physical_core = kernel.CurrentPhysicalCore(); + PreemptSingleCore(); + auto& scheduler = physical_core.Scheduler(); + scheduler.TryDoContextSwitch(); + } +} + +void CpuManager::SingleCoreRunSuspendThread() { + auto& kernel = system.Kernel(); + { + auto& sched = kernel.CurrentScheduler(); + sched.OnThreadStart(); + } + while (true) { + auto core = kernel.GetCurrentHostThreadID(); + auto& scheduler = kernel.CurrentScheduler(); + Kernel::Thread* current_thread = scheduler.GetCurrentThread(); + Common::Fiber::YieldTo(current_thread->GetHostContext(), core_data[0].host_context); + ASSERT(scheduler.ContextSwitchPending()); + ASSERT(core == kernel.GetCurrentHostThreadID()); + scheduler.TryDoContextSwitch(); + } +} + +void CpuManager::PreemptSingleCore() { + preemption_count = 0; + std::size_t old_core = current_core; + current_core = (current_core + 1) % Core::Hardware::NUM_CPU_CORES; + auto& scheduler = system.Kernel().Scheduler(old_core); + Kernel::Thread* current_thread = system.Kernel().Scheduler(old_core).GetCurrentThread(); + Kernel::Thread* next_thread = system.Kernel().Scheduler(current_core).GetCurrentThread(); + Common::Fiber::YieldTo(current_thread->GetHostContext(), next_thread->GetHostContext()); +} + +void CpuManager::SingleCorePause(bool paused) { + if (!paused) { + bool all_not_barrier = false; + while (!all_not_barrier) { + all_not_barrier = !core_data[0].is_running.load() && core_data[0].initialized.load(); + } + core_data[0].enter_barrier->Set(); + if (paused_state.load()) { + bool all_barrier = false; + while (!all_barrier) { + all_barrier = core_data[0].is_paused.load() && core_data[0].initialized.load(); + } + core_data[0].exit_barrier->Set(); + } + } else { + /// Wait until all cores are paused. + bool all_barrier = false; + while (!all_barrier) { + all_barrier = core_data[0].is_paused.load() && core_data[0].initialized.load(); + } + /// Don't release the barrier + } + paused_state = paused; +} + +void CpuManager::Pause(bool paused) { + if (is_multicore) { + MultiCorePause(paused); + } else { + SingleCorePause(paused); + } +} + void CpuManager::RunThread(std::size_t core) { /// Initialization system.RegisterCoreThread(core); - std::string name = "yuzu:CoreHostThread_" + std::to_string(core); + std::string name; + if (is_multicore) { + name = "yuzu:CoreCPUThread_" + std::to_string(core); + } else { + name = "yuzu:CPUThread"; + } MicroProfileOnThreadCreate(name.c_str()); Common::SetCurrentThreadName(name.c_str()); auto& data = core_data[core]; diff --git a/src/core/cpu_manager.h b/src/core/cpu_manager.h index e83ab20f9..1e81481ec 100644 --- a/src/core/cpu_manager.h +++ b/src/core/cpu_manager.h @@ -30,6 +30,10 @@ public: CpuManager& operator=(const CpuManager&) = delete; CpuManager& operator=(CpuManager&&) = delete; + /// Sets if emulation is multicore or single core, must be set before Initialize + void SetMulticore(bool is_multicore) { + this->is_multicore = is_multicore; + } void Initialize(); void Shutdown(); @@ -40,21 +44,34 @@ public: std::function GetSuspendThreadStartFunc(); void* GetStartFuncParamater(); + std::size_t CurrentCore() const { + return current_core; + } + private: static void GuestThreadFunction(void* cpu_manager); static void GuestRewindFunction(void* cpu_manager); static void IdleThreadFunction(void* cpu_manager); static void SuspendThreadFunction(void* cpu_manager); - void RunGuestThread(); - void RunGuestLoop(); - void RunIdleThread(); - void RunSuspendThread(); + void MultiCoreRunGuestThread(); + void MultiCoreRunGuestLoop(); + void MultiCoreRunIdleThread(); + void MultiCoreRunSuspendThread(); + void MultiCorePause(bool paused); + + void SingleCoreRunGuestThread(); + void SingleCoreRunGuestLoop(); + void SingleCoreRunIdleThread(); + void SingleCoreRunSuspendThread(); + void SingleCorePause(bool paused); static void ThreadStart(CpuManager& cpu_manager, std::size_t core); void RunThread(std::size_t core); + void PreemptSingleCore(); + struct CoreData { std::shared_ptr host_context; std::unique_ptr enter_barrier; @@ -70,6 +87,11 @@ private: std::array core_data{}; + bool is_multicore{}; + std::size_t current_core{}; + std::size_t preemption_count{}; + static constexpr std::size_t max_cycle_runs = 5; + System& system; }; diff --git a/src/core/hle/kernel/kernel.cpp b/src/core/hle/kernel/kernel.cpp index 721ab1e70..4a091ea38 100644 --- a/src/core/hle/kernel/kernel.cpp +++ b/src/core/hle/kernel/kernel.cpp @@ -113,6 +113,10 @@ struct KernelCore::Impl { explicit Impl(Core::System& system, KernelCore& kernel) : global_scheduler{kernel}, synchronization{system}, time_manager{system}, system{system} {} + void SetMulticore(bool is_multicore) { + this->is_multicore = is_multicore; + } + void Initialize(KernelCore& kernel) { Shutdown(); @@ -237,6 +241,9 @@ struct KernelCore::Impl { void RegisterCoreThread(std::size_t core_id) { std::unique_lock lock{register_thread_mutex}; + if (!is_multicore) { + single_core_thread_id = std::this_thread::get_id(); + } const std::thread::id this_id = std::this_thread::get_id(); const auto it = host_thread_ids.find(this_id); ASSERT(core_id < Core::Hardware::NUM_CPU_CORES); @@ -258,6 +265,11 @@ struct KernelCore::Impl { u32 GetCurrentHostThreadID() const { const std::thread::id this_id = std::this_thread::get_id(); + if (!is_multicore) { + if (single_core_thread_id == this_id) { + return static_cast(system.GetCpuManager().CurrentCore()); + } + } const auto it = host_thread_ids.find(this_id); if (it == host_thread_ids.end()) { return Core::INVALID_HOST_THREAD_ID; @@ -378,6 +390,9 @@ struct KernelCore::Impl { std::array, Core::Hardware::NUM_CPU_CORES> suspend_threads{}; + bool is_multicore{}; + std::thread::id single_core_thread_id{}; + // System context Core::System& system; }; @@ -387,6 +402,10 @@ KernelCore::~KernelCore() { Shutdown(); } +void KernelCore::SetMulticore(bool is_multicore) { + impl->SetMulticore(is_multicore); +} + void KernelCore::Initialize() { impl->Initialize(*this); } diff --git a/src/core/hle/kernel/kernel.h b/src/core/hle/kernel/kernel.h index 5d32a8329..162bbd2f8 100644 --- a/src/core/hle/kernel/kernel.h +++ b/src/core/hle/kernel/kernel.h @@ -65,6 +65,9 @@ public: KernelCore(KernelCore&&) = delete; KernelCore& operator=(KernelCore&&) = delete; + /// Sets if emulation is multicore or single core, must be set before Initialize + void SetMulticore(bool is_multicore); + /// Resets the kernel to a clean slate for use. void Initialize(); diff --git a/src/core/memory.cpp b/src/core/memory.cpp index 4cb5d05e5..7def00768 100644 --- a/src/core/memory.cpp +++ b/src/core/memory.cpp @@ -715,8 +715,8 @@ struct Memory::Impl { ASSERT_MSG(false, "Mapped memory page without a pointer @ {:016X}", vaddr); break; case Common::PageType::RasterizerCachedMemory: { - u8* host_ptr{GetPointerFromVMA(vaddr)}; - system.GPU().InvalidateRegion(ToCacheAddr(host_ptr), sizeof(T)); + u8* host_ptr{GetPointerFromRasterizerCachedMemory(vaddr)}; + system.GPU().InvalidateRegion(vaddr, sizeof(T)); T volatile* pointer = reinterpret_cast(&host_ptr); return Common::AtomicCompareAndSwap(pointer, data, expected); break; @@ -745,8 +745,8 @@ struct Memory::Impl { ASSERT_MSG(false, "Mapped memory page without a pointer @ {:016X}", vaddr); break; case Common::PageType::RasterizerCachedMemory: { - u8* host_ptr{GetPointerFromVMA(vaddr)}; - system.GPU().InvalidateRegion(ToCacheAddr(host_ptr), sizeof(u128)); + u8* host_ptr{GetPointerFromRasterizerCachedMemory(vaddr)}; + system.GPU().InvalidateRegion(vaddr, sizeof(u128)); u64 volatile* pointer = reinterpret_cast(&host_ptr); return Common::AtomicCompareAndSwap(pointer, data, expected); break; diff --git a/src/yuzu/configuration/configure_general.cpp b/src/yuzu/configuration/configure_general.cpp index cb95423e0..74b2ad537 100644 --- a/src/yuzu/configuration/configure_general.cpp +++ b/src/yuzu/configuration/configure_general.cpp @@ -23,6 +23,11 @@ ConfigureGeneral::ConfigureGeneral(QWidget* parent) ConfigureGeneral::~ConfigureGeneral() = default; void ConfigureGeneral::SetConfiguration() { + const bool runtime_lock = !Core::System::GetInstance().IsPoweredOn(); + + ui->use_multi_core->setEnabled(runtime_lock); + ui->use_multi_core->setChecked(Settings::values.use_multi_core); + ui->toggle_check_exit->setChecked(UISettings::values.confirm_before_closing); ui->toggle_user_on_boot->setChecked(UISettings::values.select_user_on_boot); ui->toggle_background_pause->setChecked(UISettings::values.pause_when_in_background); @@ -41,6 +46,7 @@ void ConfigureGeneral::ApplyConfiguration() { Settings::values.use_frame_limit = ui->toggle_frame_limit->isChecked(); Settings::values.frame_limit = ui->frame_limit->value(); + Settings::values.use_multi_core = ui->use_multi_core->isChecked(); } void ConfigureGeneral::changeEvent(QEvent* event) { diff --git a/src/yuzu/configuration/configure_general.ui b/src/yuzu/configuration/configure_general.ui index fc3b7e65a..f872bddec 100644 --- a/src/yuzu/configuration/configure_general.ui +++ b/src/yuzu/configuration/configure_general.ui @@ -51,6 +51,13 @@ + + + + Emulate CPU in Multiple Cores + + +