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// Copyright 2014 Citra Emulator Project
// Licensed under GPLv2
// Refer to the license.txt file included.
#include "common/common_types.h"
#include "common/log.h"
#include "common/symbols.h"
#include "core/core.h"
#include "core/mem_map.h"
#include "core/hw/hw.h"
#include "core/hw/gpu.h"
#include "core/arm/disassembler/arm_disasm.h"
#include "core/arm/interpreter/arm_interpreter.h"
#include "core/hle/hle.h"
#include "core/hle/kernel/thread.h"
namespace Core {
u64 g_last_ticks = 0; ///< Last CPU ticks
ARM_Disasm* g_disasm = nullptr; ///< ARM disassembler
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() {
for (;;){
// This function loops for 100 instructions in the CPU before trying to update hardware.
// This is a little bit faster than SingleStep, and should be pretty much equivalent. The
// number of instructions chosen is fairly arbitrary, however a large number will more
// drastically affect the frequency of GSP interrupts and likely break things. The point of
// this is to just loop in the CPU for more than 1 instruction to reduce overhead and make
// it a little bit faster...
g_app_core->Run(100);
HW::Update();
if (HLE::g_reschedule) {
Kernel::Reschedule();
}
}
}
/// Step the CPU one instruction
void SingleStep() {
g_app_core->Step();
HW::Update();
if (HLE::g_reschedule) {
Kernel::Reschedule();
}
}
/// Halt the core
void Halt(const char *msg) {
// TODO(ShizZy): ImplementMe
}
/// Kill the core
void Stop() {
// TODO(ShizZy): ImplementMe
}
/// Initialize the core
int Init() {
NOTICE_LOG(MASTER_LOG, "initialized OK");
g_disasm = new ARM_Disasm();
g_app_core = new ARM_Interpreter();
g_sys_core = new ARM_Interpreter();
g_last_ticks = Core::g_app_core->GetTicks();
return 0;
}
void Shutdown() {
delete g_disasm;
delete g_app_core;
delete g_sys_core;
NOTICE_LOG(MASTER_LOG, "shutdown OK");
}
} // namespace
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