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73 lines
1.8 KiB
C++
73 lines
1.8 KiB
C++
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// Copyright 2018 yuzu emulator team
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#include "common/logging/log.h"
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#ifdef ARCHITECTURE_x86_64
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#include "core/arm/dynarmic/arm_dynarmic.h"
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#endif
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#include "core/arm/unicorn/arm_unicorn.h"
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#include "core/core_cpu.h"
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#include "core/core_timing.h"
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#include "core/hle/kernel/kernel.h"
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#include "core/hle/kernel/scheduler.h"
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#include "core/hle/kernel/thread.h"
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#include "core/settings.h"
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namespace Core {
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Cpu::Cpu() {
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if (Settings::values.use_cpu_jit) {
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#ifdef ARCHITECTURE_x86_64
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arm_interface = std::make_shared<ARM_Dynarmic>();
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#else
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cpu_core = std::make_shared<ARM_Unicorn>();
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NGLOG_WARNING(Core, "CPU JIT requested, but Dynarmic not available");
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#endif
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} else {
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arm_interface = std::make_shared<ARM_Unicorn>();
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}
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scheduler = std::make_unique<Kernel::Scheduler>(arm_interface.get());
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}
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void Cpu::RunLoop(bool tight_loop) {
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// If we don't have a currently active thread then don't execute instructions,
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// instead advance to the next event and try to yield to the next thread
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if (Kernel::GetCurrentThread() == nullptr) {
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NGLOG_TRACE(Core, "Idling");
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CoreTiming::Idle();
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CoreTiming::Advance();
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PrepareReschedule();
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} else {
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CoreTiming::Advance();
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if (tight_loop) {
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arm_interface->Run();
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} else {
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arm_interface->Step();
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}
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}
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Reschedule();
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}
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void Cpu::SingleStep() {
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return RunLoop(false);
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}
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void Cpu::PrepareReschedule() {
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arm_interface->PrepareReschedule();
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reschedule_pending = true;
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}
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void Cpu::Reschedule() {
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if (!reschedule_pending) {
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return;
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}
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reschedule_pending = false;
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scheduler->Reschedule();
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}
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} // namespace Core
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