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96 lines
2.4 KiB
C++
96 lines
2.4 KiB
C++
// Copyright 2014 Citra Emulator Project
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#include <memory>
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#include "common/logging/log.h"
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#include "core/arm/arm_interface.h"
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#include "core/arm/dynarmic/arm_dynarmic.h"
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#include "core/arm/dyncom/arm_dyncom.h"
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#include "core/core.h"
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#include "core/core_timing.h"
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#include "core/gdbstub/gdbstub.h"
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#include "core/hle/hle.h"
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#include "core/hle/kernel/thread.h"
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#include "core/hw/hw.h"
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#include "core/settings.h"
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namespace Core {
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std::unique_ptr<ARM_Interface> g_app_core; ///< ARM11 application core
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std::unique_ptr<ARM_Interface> g_sys_core; ///< ARM11 system (OS) core
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/// Run the core CPU loop
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void RunLoop(int tight_loop) {
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if (GDBStub::g_server_enabled) {
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GDBStub::HandlePacket();
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// If the loop is halted and we want to step, use a tiny (1) number of instructions to
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// execute.
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// Otherwise get out of the loop function.
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if (GDBStub::GetCpuHaltFlag()) {
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if (GDBStub::GetCpuStepFlag()) {
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GDBStub::SetCpuStepFlag(false);
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tight_loop = 1;
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} else {
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return;
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}
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}
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}
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// If we don't have a currently active thread then don't execute instructions,
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// instead advance to the next event and try to yield to the next thread
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if (Kernel::GetCurrentThread() == nullptr) {
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LOG_TRACE(Core_ARM11, "Idling");
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CoreTiming::Idle();
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CoreTiming::Advance();
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HLE::Reschedule(__func__);
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} else {
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g_app_core->Run(tight_loop);
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}
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HW::Update();
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if (HLE::IsReschedulePending()) {
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Kernel::Reschedule();
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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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RunLoop(1);
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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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void Init() {
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if (Settings::values.use_cpu_jit) {
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g_sys_core = std::make_unique<ARM_Dynarmic>(USER32MODE);
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g_app_core = std::make_unique<ARM_Dynarmic>(USER32MODE);
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} else {
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g_sys_core = std::make_unique<ARM_DynCom>(USER32MODE);
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g_app_core = std::make_unique<ARM_DynCom>(USER32MODE);
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}
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LOG_DEBUG(Core, "Initialized OK");
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}
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void Shutdown() {
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g_app_core.reset();
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g_sys_core.reset();
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LOG_DEBUG(Core, "Shutdown OK");
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}
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} // namespace
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