2018-05-02 05:21:38 +03:00
|
|
|
// Copyright 2018 yuzu emulator team
|
|
|
|
// Licensed under GPLv2 or any later version
|
|
|
|
// Refer to the license.txt file included.
|
|
|
|
|
2018-05-03 04:26:14 +03:00
|
|
|
#include <condition_variable>
|
|
|
|
#include <mutex>
|
|
|
|
|
2018-05-02 05:21:38 +03:00
|
|
|
#include "common/logging/log.h"
|
|
|
|
#ifdef ARCHITECTURE_x86_64
|
|
|
|
#include "core/arm/dynarmic/arm_dynarmic.h"
|
|
|
|
#endif
|
|
|
|
#include "core/arm/unicorn/arm_unicorn.h"
|
|
|
|
#include "core/core_cpu.h"
|
|
|
|
#include "core/core_timing.h"
|
|
|
|
#include "core/hle/kernel/kernel.h"
|
|
|
|
#include "core/hle/kernel/scheduler.h"
|
|
|
|
#include "core/hle/kernel/thread.h"
|
|
|
|
#include "core/settings.h"
|
|
|
|
|
|
|
|
namespace Core {
|
|
|
|
|
2018-05-03 04:26:14 +03:00
|
|
|
Cpu::Cpu(std::shared_ptr<CpuBarrier> cpu_barrier, size_t core_index)
|
|
|
|
: cpu_barrier{std::move(cpu_barrier)}, core_index{core_index} {
|
|
|
|
|
2018-05-02 05:21:38 +03:00
|
|
|
if (Settings::values.use_cpu_jit) {
|
|
|
|
#ifdef ARCHITECTURE_x86_64
|
|
|
|
arm_interface = std::make_shared<ARM_Dynarmic>();
|
|
|
|
#else
|
|
|
|
cpu_core = std::make_shared<ARM_Unicorn>();
|
|
|
|
NGLOG_WARNING(Core, "CPU JIT requested, but Dynarmic not available");
|
|
|
|
#endif
|
|
|
|
} else {
|
|
|
|
arm_interface = std::make_shared<ARM_Unicorn>();
|
|
|
|
}
|
|
|
|
|
|
|
|
scheduler = std::make_unique<Kernel::Scheduler>(arm_interface.get());
|
|
|
|
}
|
|
|
|
|
|
|
|
void Cpu::RunLoop(bool tight_loop) {
|
2018-05-03 04:26:14 +03:00
|
|
|
// Wait for all other CPU cores to complete the previous slice, such that they run in lock-step
|
|
|
|
cpu_barrier->Rendezvous();
|
|
|
|
|
2018-05-02 05:21:38 +03:00
|
|
|
// 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) {
|
2018-05-03 04:26:14 +03:00
|
|
|
NGLOG_TRACE(Core, "Core-{} idling", core_index);
|
|
|
|
|
|
|
|
if (IsMainCore()) {
|
|
|
|
CoreTiming::Idle();
|
|
|
|
CoreTiming::Advance();
|
|
|
|
}
|
|
|
|
|
2018-05-02 05:21:38 +03:00
|
|
|
PrepareReschedule();
|
|
|
|
} else {
|
2018-05-03 04:26:14 +03:00
|
|
|
if (IsMainCore()) {
|
|
|
|
CoreTiming::Advance();
|
|
|
|
}
|
|
|
|
|
2018-05-02 05:21:38 +03:00
|
|
|
if (tight_loop) {
|
|
|
|
arm_interface->Run();
|
|
|
|
} else {
|
|
|
|
arm_interface->Step();
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
Reschedule();
|
|
|
|
}
|
|
|
|
|
|
|
|
void Cpu::SingleStep() {
|
|
|
|
return RunLoop(false);
|
|
|
|
}
|
|
|
|
|
|
|
|
void Cpu::PrepareReschedule() {
|
|
|
|
arm_interface->PrepareReschedule();
|
|
|
|
reschedule_pending = true;
|
|
|
|
}
|
|
|
|
|
|
|
|
void Cpu::Reschedule() {
|
|
|
|
if (!reschedule_pending) {
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
reschedule_pending = false;
|
|
|
|
scheduler->Reschedule();
|
|
|
|
}
|
|
|
|
|
|
|
|
} // namespace Core
|