suyu/src/core/cpu_manager.h
Morph 99ceb03a1c general: Convert source file copyright comments over to SPDX
This formats all copyright comments according to SPDX formatting guidelines.
Additionally, this resolves the remaining GPLv2 only licensed files by relicensing them to GPLv2.0-or-later.
2022-04-23 05:55:32 -04:00

108 lines
2.9 KiB
C++

// SPDX-FileCopyrightText: Copyright 2018 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#pragma once
#include <array>
#include <atomic>
#include <functional>
#include <memory>
#include <thread>
#include "common/fiber.h"
#include "common/thread.h"
#include "core/hardware_properties.h"
namespace Common {
class Event;
class Fiber;
} // namespace Common
namespace Core {
class System;
class CpuManager {
public:
explicit CpuManager(System& system_);
CpuManager(const CpuManager&) = delete;
CpuManager(CpuManager&&) = delete;
~CpuManager();
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_multi) {
is_multicore = is_multi;
}
/// Sets if emulation is using an asynchronous GPU.
void SetAsyncGpu(bool is_async) {
is_async_gpu = is_async;
}
void Initialize();
void Shutdown();
void Pause(bool paused);
static std::function<void(void*)> GetGuestThreadStartFunc();
static std::function<void(void*)> GetIdleThreadStartFunc();
static std::function<void(void*)> GetSuspendThreadStartFunc();
void* GetStartFuncParamater();
void PreemptSingleCore(bool from_running_enviroment = true);
std::size_t CurrentCore() const {
return current_core.load();
}
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 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(std::stop_token stop_token, CpuManager& cpu_manager, std::size_t core);
void RunThread(std::stop_token stop_token, std::size_t core);
struct CoreData {
std::shared_ptr<Common::Fiber> host_context;
std::unique_ptr<Common::Event> enter_barrier;
std::unique_ptr<Common::Event> exit_barrier;
std::atomic<bool> is_running;
std::atomic<bool> is_paused;
std::atomic<bool> initialized;
std::jthread host_thread;
};
std::atomic<bool> running_mode{};
std::atomic<bool> paused_state{};
std::array<CoreData, Core::Hardware::NUM_CPU_CORES> core_data{};
bool is_async_gpu{};
bool is_multicore{};
std::atomic<std::size_t> current_core{};
std::size_t idle_count{};
static constexpr std::size_t max_cycle_runs = 5;
System& system;
};
} // namespace Core