yuzu/src/core/cpu_core_manager.h

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// Copyright 2018 yuzu emulator team
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include <array>
#include <map>
#include <memory>
#include <thread>
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<ExclusiveMonitor> exclusive_monitor;
std::unique_ptr<CpuBarrier> barrier;
std::array<std::unique_ptr<Cpu>, NUM_CPU_CORES> cores;
std::array<std::unique_ptr<std::thread>, 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<std::thread::id, Cpu*> thread_to_cpu;
};
} // namespace Core