suyu/src/core/core.cpp

78 lines
1.8 KiB
C++

// Copyright 2014 Citra Emulator Project
// 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/mem_map.h"
#include "core/settings.h"
#include "core/arm/arm_interface.h"
#include "core/arm/disassembler/arm_disasm.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 {
ARM_Interface* g_app_core = nullptr; ///< ARM11 application core
ARM_Interface* g_sys_core = nullptr; ///< ARM11 system (OS) core
/// 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::GetCurrentThread()->IsIdle()) {
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();
}
}
/// 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
int Init() {
g_sys_core = new ARM_DynCom(USER32MODE);
g_app_core = new ARM_DynCom(USER32MODE);
// TODO: Whenever TLS is implemented, this should contain
// the address of the 0x200-byte TLS
g_app_core->SetCP15Register(CP15_THREAD_URO, Memory::KERNEL_MEMORY_VADDR);
LOG_DEBUG(Core, "Initialized OK");
return 0;
}
void Shutdown() {
delete g_app_core;
delete g_sys_core;
LOG_DEBUG(Core, "Shutdown OK");
}
} // namespace