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// Copyright 2018 yuzu emulator team
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include <condition_variable>
#include <mutex>
#include "common/logging/log.h"
#ifdef ARCHITECTURE_x86_64
#include "core/arm/dynarmic/arm_dynarmic.h"
#endif
#include "core/arm/exclusive_monitor.h"
#include "core/arm/unicorn/arm_unicorn.h"
#include "core/core.h"
#include "core/core_cpu.h"
#include "core/core_timing.h"
#include "core/hle/kernel/kernel.h"
#include "core/hle/kernel/physical_core.h"
#include "core/hle/kernel/scheduler.h"
#include "core/hle/kernel/thread.h"
#include "core/hle/lock.h"
#include "core/settings.h"
namespace Core {
Cpu::Cpu(System& system, std::size_t core_index)
: global_scheduler{system.GlobalScheduler()},
physical_core{system.Kernel().PhysicalCore(core_index)}, core_timing{system.CoreTiming()},
core_index{core_index} {
}
Cpu::~Cpu() = default;
void Cpu::RunLoop(bool tight_loop) {
Reschedule();
// If we don't have a currently active thread then don't execute instructions,
// instead advance to the next event and try to yield to the next thread
if (Kernel::GetCurrentThread() == nullptr) {
LOG_TRACE(Core, "Core-{} idling", core_index);
core_timing.Idle();
} else {
if (tight_loop) {
physical_core.Run();
} else {
physical_core.Step();
}
}
core_timing.Advance();
Reschedule();
}
void Cpu::SingleStep() {
return RunLoop(false);
}
void Cpu::PrepareReschedule() {
physical_core.Stop();
}
void Cpu::Reschedule() {
// Lock the global kernel mutex when we manipulate the HLE state
std::lock_guard lock(HLE::g_hle_lock);
global_scheduler.SelectThread(core_index);
physical_core.Scheduler().TryDoContextSwitch();
}
} // namespace Core
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