2014-04-09 03:19:26 +04:00
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// Copyright 2014 Citra Emulator Project
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2014-12-17 08:38:14 +03:00
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// Licensed under GPLv2 or any later version
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2014-04-09 03:19:26 +04:00
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// Refer to the license.txt file included.
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2013-09-06 02:33:46 +04:00
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2015-12-30 02:03:08 +03:00
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#include <memory>
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2017-03-09 04:21:31 +03:00
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#include <utility>
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2015-05-06 10:06:12 +03:00
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#include "common/logging/log.h"
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2018-01-20 03:36:09 +03:00
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#ifdef ARCHITECTURE_x86_64
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2018-01-10 00:33:46 +03:00
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#include "core/arm/dynarmic/arm_dynarmic.h"
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2018-01-20 03:36:09 +03:00
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#endif
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2017-10-10 06:56:20 +03:00
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#include "core/arm/unicorn/arm_unicorn.h"
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2016-09-21 09:52:38 +03:00
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#include "core/core.h"
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2016-09-02 06:18:01 +03:00
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#include "core/core_timing.h"
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#include "core/gdbstub/gdbstub.h"
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2016-12-16 03:01:48 +03:00
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#include "core/hle/kernel/kernel.h"
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2017-09-27 02:17:47 +03:00
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#include "core/hle/kernel/process.h"
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2014-05-23 06:54:07 +04:00
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#include "core/hle/kernel/thread.h"
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2016-12-16 08:37:38 +03:00
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#include "core/hle/service/service.h"
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2014-10-25 23:54:44 +04:00
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#include "core/hw/hw.h"
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2016-12-16 03:01:48 +03:00
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#include "core/loader/loader.h"
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2017-05-06 09:11:06 +03:00
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#include "core/memory_setup.h"
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2016-09-02 06:18:01 +03:00
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#include "core/settings.h"
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2016-12-16 03:01:48 +03:00
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#include "video_core/video_core.h"
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2015-09-02 15:56:38 +03:00
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2013-09-06 02:33:46 +04:00
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namespace Core {
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2016-12-16 03:01:48 +03:00
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/*static*/ System System::s_instance;
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System::ResultStatus System::RunLoop(int tight_loop) {
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2017-06-03 00:03:38 +03:00
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status = ResultStatus::Success;
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2016-12-22 08:00:01 +03:00
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if (!cpu_core) {
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2016-12-16 03:01:48 +03:00
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return ResultStatus::ErrorNotInitialized;
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}
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2013-09-06 02:33:46 +04:00
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2016-12-16 00:19:30 +03:00
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if (GDBStub::IsServerEnabled()) {
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2015-09-02 15:56:38 +03:00
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GDBStub::HandlePacket();
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2016-09-18 03:38:01 +03:00
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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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2016-09-19 04:01:46 +03:00
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// execute. Otherwise, get out of the loop function.
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2015-09-02 15:56:38 +03:00
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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 ResultStatus::Success;
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}
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}
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}
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2015-05-11 22:09:10 +03:00
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// If we don't have a currently active thread then don't execute instructions,
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2015-01-07 18:10:58 +03:00
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// instead advance to the next event and try to yield to the next thread
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2015-05-11 22:09:10 +03:00
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if (Kernel::GetCurrentThread() == nullptr) {
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2017-10-23 07:13:12 +03:00
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LOG_TRACE(Core_ARM, "Idling");
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2015-01-07 18:10:58 +03:00
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CoreTiming::Idle();
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CoreTiming::Advance();
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PrepareReschedule();
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} else {
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CoreTiming::Advance();
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2016-12-22 08:00:01 +03:00
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cpu_core->Run(tight_loop);
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2015-01-07 18:10:58 +03:00
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}
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2014-08-30 07:24:32 +04:00
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HW::Update();
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Reschedule();
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2013-09-27 06:01:09 +04:00
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2017-06-03 00:03:38 +03:00
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return status;
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2013-09-06 02:33:46 +04:00
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}
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System::ResultStatus System::SingleStep() {
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return RunLoop(1);
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}
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2016-12-16 03:01:48 +03:00
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System::ResultStatus System::Load(EmuWindow* emu_window, const std::string& filepath) {
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app_loader = Loader::GetLoader(filepath);
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if (!app_loader) {
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LOG_CRITICAL(Core, "Failed to obtain loader for %s!", filepath.c_str());
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return ResultStatus::ErrorGetLoader;
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}
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2017-03-09 04:21:31 +03:00
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std::pair<boost::optional<u32>, Loader::ResultStatus> system_mode =
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app_loader->LoadKernelSystemMode();
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2017-03-09 04:21:31 +03:00
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if (system_mode.second != Loader::ResultStatus::Success) {
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LOG_CRITICAL(Core, "Failed to determine system mode (Error %i)!",
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static_cast<int>(system_mode.second));
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2017-03-09 00:28:30 +03:00
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2017-03-09 04:21:31 +03:00
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switch (system_mode.second) {
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case Loader::ResultStatus::ErrorEncrypted:
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return ResultStatus::ErrorLoader_ErrorEncrypted;
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case Loader::ResultStatus::ErrorInvalidFormat:
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return ResultStatus::ErrorLoader_ErrorInvalidFormat;
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default:
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return ResultStatus::ErrorSystemMode;
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}
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2016-12-16 03:01:48 +03:00
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}
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2017-03-09 04:21:31 +03:00
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ResultStatus init_result{Init(emu_window, system_mode.first.get())};
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2016-12-16 03:01:48 +03:00
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if (init_result != ResultStatus::Success) {
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LOG_CRITICAL(Core, "Failed to initialize system (Error %i)!", init_result);
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System::Shutdown();
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return init_result;
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}
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2017-09-27 02:17:47 +03:00
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const Loader::ResultStatus load_result{app_loader->Load(Kernel::g_current_process)};
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2017-06-03 00:03:38 +03:00
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if (Loader::ResultStatus::Success != load_result) {
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2016-12-16 03:01:48 +03:00
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LOG_CRITICAL(Core, "Failed to load ROM (Error %i)!", load_result);
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System::Shutdown();
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switch (load_result) {
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case Loader::ResultStatus::ErrorEncrypted:
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return ResultStatus::ErrorLoader_ErrorEncrypted;
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case Loader::ResultStatus::ErrorInvalidFormat:
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return ResultStatus::ErrorLoader_ErrorInvalidFormat;
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default:
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return ResultStatus::ErrorLoader;
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}
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}
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2017-03-09 00:28:30 +03:00
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status = ResultStatus::Success;
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2017-06-03 00:03:38 +03:00
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return status;
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2013-09-06 02:33:46 +04:00
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}
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2016-12-16 08:37:38 +03:00
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void System::PrepareReschedule() {
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2016-12-22 08:00:01 +03:00
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cpu_core->PrepareReschedule();
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2016-12-16 08:37:38 +03:00
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reschedule_pending = true;
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}
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2017-02-20 01:34:47 +03:00
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PerfStats::Results System::GetAndResetPerfStats() {
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2017-02-21 00:56:58 +03:00
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return perf_stats.GetAndResetStats(CoreTiming::GetGlobalTimeUs());
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2017-02-20 01:34:47 +03:00
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}
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2016-12-16 08:37:38 +03:00
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void System::Reschedule() {
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if (!reschedule_pending) {
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return;
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}
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reschedule_pending = false;
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Kernel::Reschedule();
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}
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2016-12-16 03:01:48 +03:00
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System::ResultStatus System::Init(EmuWindow* emu_window, u32 system_mode) {
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2017-05-06 09:11:06 +03:00
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LOG_DEBUG(HW_Memory, "initialized OK");
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2016-12-16 03:01:48 +03:00
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2018-01-12 19:06:30 +03:00
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switch (Settings::values.cpu_core) {
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case Settings::CpuCore::Unicorn:
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2018-02-18 22:52:09 +03:00
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cpu_core = std::make_shared<ARM_Unicorn>();
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2018-01-12 19:06:30 +03:00
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break;
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case Settings::CpuCore::Dynarmic:
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default:
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2018-01-20 03:36:09 +03:00
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#ifdef ARCHITECTURE_x86_64
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2018-02-18 22:52:09 +03:00
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cpu_core = std::make_shared<ARM_Dynarmic>();
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2018-01-20 03:36:09 +03:00
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#else
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2018-02-18 22:52:09 +03:00
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cpu_core = std::make_shared<ARM_Unicorn>();
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2018-01-20 03:36:09 +03:00
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LOG_WARNING(Core, "CPU JIT requested, but Dynarmic not available");
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#endif
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2018-01-12 19:06:30 +03:00
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break;
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}
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2018-02-12 07:44:12 +03:00
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gpu_core = std::make_unique<Tegra::GPU>();
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2017-05-02 07:09:15 +03:00
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telemetry_session = std::make_unique<Core::TelemetrySession>();
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2016-12-16 03:01:48 +03:00
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CoreTiming::Init();
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HW::Init();
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Kernel::Init(system_mode);
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2016-12-16 08:37:38 +03:00
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Service::Init();
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2016-12-16 03:01:48 +03:00
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GDBStub::Init();
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if (!VideoCore::Init(emu_window)) {
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2017-03-09 04:21:31 +03:00
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return ResultStatus::ErrorVideoCore;
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2016-09-02 06:18:01 +03:00
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}
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2014-10-25 23:54:44 +04:00
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2015-02-12 23:11:39 +03:00
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LOG_DEBUG(Core, "Initialized OK");
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2016-12-16 03:01:48 +03:00
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2017-02-20 01:34:47 +03:00
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// Reset counters and set time origin to current frame
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GetAndResetPerfStats();
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2017-02-21 00:56:58 +03:00
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perf_stats.BeginSystemFrame();
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2017-02-20 01:34:47 +03:00
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2016-12-16 03:01:48 +03:00
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return ResultStatus::Success;
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2014-04-01 06:26:50 +04:00
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}
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2016-12-16 03:01:48 +03:00
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void System::Shutdown() {
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2017-07-13 05:19:34 +03:00
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// Log last frame performance stats
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auto perf_results = GetAndResetPerfStats();
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Telemetry().AddField(Telemetry::FieldType::Performance, "Shutdown_EmulationSpeed",
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perf_results.emulation_speed * 100.0);
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Telemetry().AddField(Telemetry::FieldType::Performance, "Shutdown_Framerate",
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perf_results.game_fps);
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Telemetry().AddField(Telemetry::FieldType::Performance, "Shutdown_Frametime",
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perf_results.frametime * 1000.0);
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// Shutdown emulation session
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2016-12-16 03:01:48 +03:00
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GDBStub::Shutdown();
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VideoCore::Shutdown();
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2016-12-16 08:37:38 +03:00
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Service::Shutdown();
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2016-12-16 03:01:48 +03:00
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Kernel::Shutdown();
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HW::Shutdown();
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CoreTiming::Shutdown();
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2017-02-11 14:29:46 +03:00
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cpu_core = nullptr;
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app_loader = nullptr;
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2017-05-02 07:09:15 +03:00
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telemetry_session = nullptr;
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2014-04-05 23:26:03 +04:00
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2015-02-12 23:11:39 +03:00
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LOG_DEBUG(Core, "Shutdown OK");
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2013-09-06 02:33:46 +04:00
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}
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2017-09-27 02:17:47 +03:00
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} // namespace Core
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