83 lines
2.1 KiB
C++
83 lines
2.1 KiB
C++
// Copyright 2014 Citra Emulator Project
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// Licensed under GPLv2
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// Refer to the license.txt file included.
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#include "common/common_types.h"
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#include "common/log.h"
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#include "common/symbols.h"
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#include "core/core.h"
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#include "core/mem_map.h"
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#include "core/hw/hw.h"
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#include "core/hw/gpu.h"
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#include "core/arm/disassembler/arm_disasm.h"
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#include "core/arm/interpreter/arm_interpreter.h"
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#include "core/hle/hle.h"
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#include "core/hle/kernel/thread.h"
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namespace Core {
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u64 g_last_ticks = 0; ///< Last CPU ticks
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ARM_Disasm* g_disasm = nullptr; ///< ARM disassembler
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ARM_Interface* g_app_core = nullptr; ///< ARM11 application core
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ARM_Interface* g_sys_core = nullptr; ///< ARM11 system (OS) core
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/// Run the core CPU loop
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void RunLoop() {
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for (;;){
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// This function loops for 100 instructions in the CPU before trying to update hardware.
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// This is a little bit faster than SingleStep, and should be pretty much equivalent. The
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// number of instructions chosen is fairly arbitrary, however a large number will more
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// drastically affect the frequency of GSP interrupts and likely break things. The point of
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// this is to just loop in the CPU for more than 1 instruction to reduce overhead and make
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// it a little bit faster...
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g_app_core->Run(100);
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HW::Update();
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if (HLE::g_reschedule) {
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Kernel::Reschedule();
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}
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}
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}
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/// Step the CPU one instruction
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void SingleStep() {
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g_app_core->Step();
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HW::Update();
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if (HLE::g_reschedule) {
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Kernel::Reschedule();
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}
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}
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/// Halt the core
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void Halt(const char *msg) {
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// TODO(ShizZy): ImplementMe
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}
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/// Kill the core
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void Stop() {
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// TODO(ShizZy): ImplementMe
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}
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/// Initialize the core
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int Init() {
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NOTICE_LOG(MASTER_LOG, "initialized OK");
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g_disasm = new ARM_Disasm();
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g_app_core = new ARM_Interpreter();
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g_sys_core = new ARM_Interpreter();
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g_last_ticks = Core::g_app_core->GetTicks();
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return 0;
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}
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void Shutdown() {
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delete g_disasm;
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delete g_app_core;
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delete g_sys_core;
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NOTICE_LOG(MASTER_LOG, "shutdown OK");
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}
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} // namespace
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