yuzu/src/core/core.cpp

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// Copyright 2014 Citra Emulator Project
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// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include "common/common_types.h"
#include "core/core.h"
#include "core/core_timing.h"
#include "core/settings.h"
#include "core/arm/disassembler/arm_disasm.h"
#include "core/arm/interpreter/arm_interpreter.h"
#include "core/arm/dyncom/arm_dyncom.h"
#include "core/hle/hle.h"
#include "core/hle/kernel/thread.h"
#include "core/hw/hw.h"
namespace Core {
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static u64 last_ticks = 0; ///< Last CPU ticks
static ARM_Disasm* disasm = nullptr; ///< ARM disassembler
ARM_Interface* g_app_core = nullptr; ///< ARM11 application core
ARM_Interface* g_sys_core = nullptr; ///< ARM11 system (OS) core
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/// Run the core CPU loop
void RunLoop(int tight_loop) {
// If the current thread is an idle thread, then don't execute instructions,
// instead advance to the next event and try to yield to the next thread
if (Kernel::IsIdleThread(Kernel::GetCurrentThreadHandle())) {
LOG_TRACE(Core_ARM11, "Idling");
CoreTiming::Idle();
CoreTiming::Advance();
HLE::Reschedule(__func__);
} else {
g_app_core->Run(tight_loop);
}
HW::Update();
if (HLE::g_reschedule) {
Kernel::Reschedule();
}
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}
/// Step the CPU one instruction
void SingleStep() {
RunLoop(1);
}
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/// Halt the core
void Halt(const char *msg) {
// TODO(ShizZy): ImplementMe
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}
/// Kill the core
void Stop() {
// TODO(ShizZy): ImplementMe
}
/// Initialize the core
int Init() {
LOG_DEBUG(Core, "initialized OK");
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disasm = new ARM_Disasm();
g_sys_core = new ARM_Interpreter();
switch (Settings::values.cpu_core) {
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case CPU_Interpreter:
g_app_core = new ARM_DynCom();
break;
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case CPU_OldInterpreter:
default:
g_app_core = new ARM_Interpreter();
break;
}
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last_ticks = Core::g_app_core->GetTicks();
return 0;
}
void Shutdown() {
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delete disasm;
delete g_app_core;
delete g_sys_core;
LOG_DEBUG(Core, "shutdown OK");
}
} // namespace