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// Copyright 2014 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include <memory>
#include "common/logging/log.h"
#include "core/arm/arm_interface.h"
#include "core/arm/dynarmic/arm_dynarmic.h"
#include "core/arm/dyncom/arm_dyncom.h"
#include "core/core.h"
#include "core/core_timing.h"
#include "core/gdbstub/gdbstub.h"
#include "core/hle/hle.h"
#include "core/hle/kernel/thread.h"
#include "core/hw/hw.h"
#include "core/settings.h"
namespace Core {
std::unique_ptr<ARM_Interface> g_app_core; ///< ARM11 application core
std::unique_ptr<ARM_Interface> g_sys_core; ///< ARM11 system (OS) core
/// Run the core CPU loop
void RunLoop(int tight_loop) {
if (GDBStub::IsServerEnabled()) {
GDBStub::HandlePacket();
// If the loop is halted and we want to step, use a tiny (1) number of instructions to
// execute. Otherwise, get out of the loop function.
if (GDBStub::GetCpuHaltFlag()) {
if (GDBStub::GetCpuStepFlag()) {
GDBStub::SetCpuStepFlag(false);
tight_loop = 1;
} else {
return;
}
}
}
// 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_ARM11, "Idling");
CoreTiming::Idle();
CoreTiming::Advance();
HLE::Reschedule(__func__);
} else {
g_app_core->Run(tight_loop);
}
HW::Update();
if (HLE::IsReschedulePending()) {
Kernel::Reschedule();
}
}
/// Step the CPU one instruction
void SingleStep() {
RunLoop(1);
}
/// Halt the core
void Halt(const char* msg) {
// TODO(ShizZy): ImplementMe
}
/// Kill the core
void Stop() {
// TODO(ShizZy): ImplementMe
}
/// Initialize the core
void Init() {
if (Settings::values.use_cpu_jit) {
g_sys_core = std::make_unique<ARM_Dynarmic>(USER32MODE);
g_app_core = std::make_unique<ARM_Dynarmic>(USER32MODE);
} else {
g_sys_core = std::make_unique<ARM_DynCom>(USER32MODE);
g_app_core = std::make_unique<ARM_DynCom>(USER32MODE);
}
LOG_DEBUG(Core, "Initialized OK");
}
void Shutdown() {
g_app_core.reset();
g_sys_core.reset();
LOG_DEBUG(Core, "Shutdown OK");
}
} // namespace
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