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https://git.suyu.dev/suyu/suyu.git
synced 2024-11-26 21:36:27 -05:00
core: Relocate CPU core management to its own class
Keeps the CPU-specific behavior from being spread throughout the main System class. This will also act as the home to contain member functions that perform operations on all cores. The reason for this being that the following pattern is sort of prevalent throughout sections of the codebase: If clearing the instruction cache for all 4 cores is necessary: Core::System::GetInstance().ArmInterface(0).ClearInstructionCache(); Core::System::GetInstance().ArmInterface(1).ClearInstructionCache(); Core::System::GetInstance().ArmInterface(2).ClearInstructionCache(); Core::System::GetInstance().ArmInterface(3).ClearInstructionCache(); This is kind of... well, silly to copy around whenever it's needed. especially when it can be reduced down to a single line. This change also puts the basics in place to begin "ungrafting" all of the forwarding member functions from the System class that are used to access CPU state or invoke CPU-specific behavior. As such, this change itself makes no changes to the direct external interface of System. This will be covered by another changeset.
This commit is contained in:
parent
b84f4cfb62
commit
232d95b56e
4 changed files with 225 additions and 97 deletions
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@ -12,6 +12,8 @@ add_library(core STATIC
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core_timing.h
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core_timing.h
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core_timing_util.cpp
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core_timing_util.cpp
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core_timing_util.h
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core_timing_util.h
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cpu_core_manager.cpp
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cpu_core_manager.h
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crypto/aes_util.cpp
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crypto/aes_util.cpp
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crypto/aes_util.h
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crypto/aes_util.h
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crypto/encryption_layer.cpp
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crypto/encryption_layer.cpp
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@ -14,6 +14,7 @@
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#include "core/core.h"
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#include "core/core.h"
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#include "core/core_cpu.h"
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#include "core/core_cpu.h"
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#include "core/core_timing.h"
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#include "core/core_timing.h"
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#include "core/cpu_core_manager.h"
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#include "core/file_sys/mode.h"
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#include "core/file_sys/mode.h"
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#include "core/file_sys/vfs_concat.h"
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#include "core/file_sys/vfs_concat.h"
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#include "core/file_sys/vfs_real.h"
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#include "core/file_sys/vfs_real.h"
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@ -28,7 +29,6 @@
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#include "core/hle/service/sm/sm.h"
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#include "core/hle/service/sm/sm.h"
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#include "core/loader/loader.h"
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#include "core/loader/loader.h"
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#include "core/perf_stats.h"
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#include "core/perf_stats.h"
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#include "core/settings.h"
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#include "core/telemetry_session.h"
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#include "core/telemetry_session.h"
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#include "frontend/applets/software_keyboard.h"
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#include "frontend/applets/software_keyboard.h"
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#include "video_core/debug_utils/debug_utils.h"
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#include "video_core/debug_utils/debug_utils.h"
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@ -71,64 +71,22 @@ FileSys::VirtualFile GetGameFileFromPath(const FileSys::VirtualFilesystem& vfs,
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return vfs->OpenFile(path, FileSys::Mode::Read);
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return vfs->OpenFile(path, FileSys::Mode::Read);
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}
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}
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/// Runs a CPU core while the system is powered on
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void RunCpuCore(Cpu& cpu_state) {
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while (Core::System::GetInstance().IsPoweredOn()) {
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cpu_state.RunLoop(true);
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}
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}
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} // Anonymous namespace
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} // Anonymous namespace
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struct System::Impl {
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struct System::Impl {
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Cpu& CurrentCpuCore() {
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Cpu& CurrentCpuCore() {
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if (Settings::values.use_multi_core) {
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return cpu_core_manager.GetCurrentCore();
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const auto& search = thread_to_cpu.find(std::this_thread::get_id());
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ASSERT(search != thread_to_cpu.end());
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ASSERT(search->second);
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return *search->second;
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}
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// Otherwise, use single-threaded mode active_core variable
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return *cpu_cores[active_core];
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}
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}
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ResultStatus RunLoop(bool tight_loop) {
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ResultStatus RunLoop(bool tight_loop) {
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status = ResultStatus::Success;
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status = ResultStatus::Success;
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// Update thread_to_cpu in case Core 0 is run from a different host thread
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cpu_core_manager.RunLoop(tight_loop);
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thread_to_cpu[std::this_thread::get_id()] = cpu_cores[0].get();
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if (GDBStub::IsServerEnabled()) {
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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. 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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tight_loop = false;
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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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for (active_core = 0; active_core < NUM_CPU_CORES; ++active_core) {
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cpu_cores[active_core]->RunLoop(tight_loop);
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if (Settings::values.use_multi_core) {
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// Cores 1-3 are run on other threads in this mode
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break;
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}
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}
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if (GDBStub::IsServerEnabled()) {
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GDBStub::SetCpuStepFlag(false);
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}
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return status;
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return status;
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}
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}
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ResultStatus Init(Frontend::EmuWindow& emu_window) {
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ResultStatus Init(System& system, Frontend::EmuWindow& emu_window) {
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LOG_DEBUG(HW_Memory, "initialized OK");
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LOG_DEBUG(HW_Memory, "initialized OK");
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CoreTiming::Init();
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CoreTiming::Init();
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@ -145,12 +103,6 @@ struct System::Impl {
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auto main_process = Kernel::Process::Create(kernel, "main");
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auto main_process = Kernel::Process::Create(kernel, "main");
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kernel.MakeCurrentProcess(main_process.get());
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kernel.MakeCurrentProcess(main_process.get());
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cpu_barrier = std::make_unique<CpuBarrier>();
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cpu_exclusive_monitor = Cpu::MakeExclusiveMonitor(cpu_cores.size());
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for (std::size_t index = 0; index < cpu_cores.size(); ++index) {
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cpu_cores[index] = std::make_unique<Cpu>(*cpu_exclusive_monitor, *cpu_barrier, index);
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}
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telemetry_session = std::make_unique<Core::TelemetrySession>();
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telemetry_session = std::make_unique<Core::TelemetrySession>();
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service_manager = std::make_shared<Service::SM::ServiceManager>();
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service_manager = std::make_shared<Service::SM::ServiceManager>();
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@ -164,17 +116,8 @@ struct System::Impl {
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gpu_core = std::make_unique<Tegra::GPU>(renderer->Rasterizer());
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gpu_core = std::make_unique<Tegra::GPU>(renderer->Rasterizer());
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// Create threads for CPU cores 1-3, and build thread_to_cpu map
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cpu_core_manager.Initialize(system);
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// CPU core 0 is run on the main thread
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is_powered_on = true;
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thread_to_cpu[std::this_thread::get_id()] = cpu_cores[0].get();
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if (Settings::values.use_multi_core) {
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for (std::size_t index = 0; index < cpu_core_threads.size(); ++index) {
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cpu_core_threads[index] =
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std::make_unique<std::thread>(RunCpuCore, std::ref(*cpu_cores[index + 1]));
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thread_to_cpu[cpu_core_threads[index]->get_id()] = cpu_cores[index + 1].get();
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}
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}
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LOG_DEBUG(Core, "Initialized OK");
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LOG_DEBUG(Core, "Initialized OK");
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// Reset counters and set time origin to current frame
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// Reset counters and set time origin to current frame
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@ -184,7 +127,8 @@ struct System::Impl {
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return ResultStatus::Success;
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return ResultStatus::Success;
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}
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}
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ResultStatus Load(Frontend::EmuWindow& emu_window, const std::string& filepath) {
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ResultStatus Load(System& system, Frontend::EmuWindow& emu_window,
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const std::string& filepath) {
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app_loader = Loader::GetLoader(GetGameFileFromPath(virtual_filesystem, filepath));
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app_loader = Loader::GetLoader(GetGameFileFromPath(virtual_filesystem, filepath));
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if (!app_loader) {
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if (!app_loader) {
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@ -201,7 +145,7 @@ struct System::Impl {
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return ResultStatus::ErrorSystemMode;
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return ResultStatus::ErrorSystemMode;
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}
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}
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ResultStatus init_result{Init(emu_window)};
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ResultStatus init_result{Init(system, emu_window)};
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if (init_result != ResultStatus::Success) {
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if (init_result != ResultStatus::Success) {
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LOG_CRITICAL(Core, "Failed to initialize system (Error {})!",
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LOG_CRITICAL(Core, "Failed to initialize system (Error {})!",
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static_cast<int>(init_result));
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static_cast<int>(init_result));
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@ -231,6 +175,8 @@ struct System::Impl {
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Telemetry().AddField(Telemetry::FieldType::Performance, "Shutdown_Frametime",
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Telemetry().AddField(Telemetry::FieldType::Performance, "Shutdown_Frametime",
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perf_results.frametime * 1000.0);
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perf_results.frametime * 1000.0);
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is_powered_on = false;
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// Shutdown emulation session
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// Shutdown emulation session
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renderer.reset();
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renderer.reset();
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GDBStub::Shutdown();
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GDBStub::Shutdown();
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gpu_core.reset();
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gpu_core.reset();
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// Close all CPU/threading state
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// Close all CPU/threading state
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cpu_barrier->NotifyEnd();
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cpu_core_manager.Shutdown();
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if (Settings::values.use_multi_core) {
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for (auto& thread : cpu_core_threads) {
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thread->join();
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thread.reset();
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}
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}
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thread_to_cpu.clear();
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for (auto& cpu_core : cpu_cores) {
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cpu_core.reset();
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}
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cpu_exclusive_monitor.reset();
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cpu_barrier.reset();
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// Shutdown kernel and core timing
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// Shutdown kernel and core timing
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kernel.Shutdown();
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kernel.Shutdown();
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std::unique_ptr<VideoCore::RendererBase> renderer;
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std::unique_ptr<VideoCore::RendererBase> renderer;
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std::unique_ptr<Tegra::GPU> gpu_core;
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std::unique_ptr<Tegra::GPU> gpu_core;
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std::shared_ptr<Tegra::DebugContext> debug_context;
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std::shared_ptr<Tegra::DebugContext> debug_context;
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std::unique_ptr<ExclusiveMonitor> cpu_exclusive_monitor;
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CpuCoreManager cpu_core_manager;
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std::unique_ptr<CpuBarrier> cpu_barrier;
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bool is_powered_on = false;
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std::array<std::unique_ptr<Cpu>, NUM_CPU_CORES> cpu_cores;
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std::array<std::unique_ptr<std::thread>, NUM_CPU_CORES - 1> cpu_core_threads;
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std::size_t active_core{}; ///< Active core, only used in single thread mode
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/// Frontend applets
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/// Frontend applets
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std::unique_ptr<Core::Frontend::SoftwareKeyboardApplet> software_keyboard;
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std::unique_ptr<Core::Frontend::SoftwareKeyboardApplet> software_keyboard;
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@ -307,9 +238,6 @@ struct System::Impl {
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ResultStatus status = ResultStatus::Success;
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ResultStatus status = ResultStatus::Success;
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std::string status_details = "";
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std::string status_details = "";
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/// Map of guest threads to CPU cores
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std::map<std::thread::id, Cpu*> thread_to_cpu;
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Core::PerfStats perf_stats;
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Core::PerfStats perf_stats;
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Core::FrameLimiter frame_limiter;
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Core::FrameLimiter frame_limiter;
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};
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};
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}
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}
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void System::InvalidateCpuInstructionCaches() {
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void System::InvalidateCpuInstructionCaches() {
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for (auto& cpu : impl->cpu_cores) {
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impl->cpu_core_manager.InvalidateAllInstructionCaches();
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cpu->ArmInterface().ClearInstructionCache();
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}
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}
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}
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System::ResultStatus System::Load(Frontend::EmuWindow& emu_window, const std::string& filepath) {
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System::ResultStatus System::Load(Frontend::EmuWindow& emu_window, const std::string& filepath) {
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return impl->Load(emu_window, filepath);
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return impl->Load(*this, emu_window, filepath);
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}
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}
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bool System::IsPoweredOn() const {
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bool System::IsPoweredOn() const {
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return impl->cpu_barrier && impl->cpu_barrier->IsAlive();
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return impl->is_powered_on;
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}
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}
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void System::PrepareReschedule() {
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void System::PrepareReschedule() {
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@ -408,21 +334,20 @@ const ARM_Interface& System::ArmInterface(std::size_t core_index) const {
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}
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}
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Cpu& System::CpuCore(std::size_t core_index) {
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Cpu& System::CpuCore(std::size_t core_index) {
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ASSERT(core_index < NUM_CPU_CORES);
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return impl->cpu_core_manager.GetCore(core_index);
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return *impl->cpu_cores[core_index];
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}
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}
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const Cpu& System::CpuCore(std::size_t core_index) const {
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const Cpu& System::CpuCore(std::size_t core_index) const {
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ASSERT(core_index < NUM_CPU_CORES);
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ASSERT(core_index < NUM_CPU_CORES);
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return *impl->cpu_cores[core_index];
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return impl->cpu_core_manager.GetCore(core_index);
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}
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}
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ExclusiveMonitor& System::Monitor() {
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ExclusiveMonitor& System::Monitor() {
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return *impl->cpu_exclusive_monitor;
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return impl->cpu_core_manager.GetExclusiveMonitor();
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}
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}
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const ExclusiveMonitor& System::Monitor() const {
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const ExclusiveMonitor& System::Monitor() const {
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return *impl->cpu_exclusive_monitor;
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return impl->cpu_core_manager.GetExclusiveMonitor();
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}
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}
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Tegra::GPU& System::GPU() {
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Tegra::GPU& System::GPU() {
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}
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}
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System::ResultStatus System::Init(Frontend::EmuWindow& emu_window) {
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System::ResultStatus System::Init(Frontend::EmuWindow& emu_window) {
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return impl->Init(emu_window);
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return impl->Init(*this, emu_window);
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}
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}
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void System::Shutdown() {
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void System::Shutdown() {
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142
src/core/cpu_core_manager.cpp
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142
src/core/cpu_core_manager.cpp
Normal file
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@ -0,0 +1,142 @@
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// Copyright 2018 yuzu emulator team
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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 "common/assert.h"
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#include "core/arm/exclusive_monitor.h"
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#include "core/core.h"
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#include "core/core_cpu.h"
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#include "core/cpu_core_manager.h"
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#include "core/gdbstub/gdbstub.h"
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#include "core/settings.h"
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namespace Core {
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namespace {
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void RunCpuCore(const System& system, Cpu& cpu_state) {
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while (system.IsPoweredOn()) {
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cpu_state.RunLoop(true);
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}
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}
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} // Anonymous namespace
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CpuCoreManager::CpuCoreManager() = default;
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CpuCoreManager::~CpuCoreManager() = default;
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void CpuCoreManager::Initialize(System& system) {
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barrier = std::make_unique<CpuBarrier>();
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exclusive_monitor = Cpu::MakeExclusiveMonitor(cores.size());
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for (std::size_t index = 0; index < cores.size(); ++index) {
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cores[index] = std::make_unique<Cpu>(*exclusive_monitor, *barrier, index);
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}
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// Create threads for CPU cores 1-3, and build thread_to_cpu map
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// CPU core 0 is run on the main thread
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thread_to_cpu[std::this_thread::get_id()] = cores[0].get();
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if (!Settings::values.use_multi_core) {
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return;
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}
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for (std::size_t index = 0; index < core_threads.size(); ++index) {
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core_threads[index] = std::make_unique<std::thread>(RunCpuCore, std::cref(system),
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std::ref(*cores[index + 1]));
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thread_to_cpu[core_threads[index]->get_id()] = cores[index + 1].get();
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}
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}
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void CpuCoreManager::Shutdown() {
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barrier->NotifyEnd();
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if (Settings::values.use_multi_core) {
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for (auto& thread : core_threads) {
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thread->join();
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thread.reset();
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}
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}
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thread_to_cpu.clear();
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for (auto& cpu_core : cores) {
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cpu_core.reset();
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}
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exclusive_monitor.reset();
|
||||||
|
barrier.reset();
|
||||||
|
}
|
||||||
|
|
||||||
|
Cpu& CpuCoreManager::GetCore(std::size_t index) {
|
||||||
|
return *cores.at(index);
|
||||||
|
}
|
||||||
|
|
||||||
|
const Cpu& CpuCoreManager::GetCore(std::size_t index) const {
|
||||||
|
return *cores.at(index);
|
||||||
|
}
|
||||||
|
|
||||||
|
ExclusiveMonitor& CpuCoreManager::GetExclusiveMonitor() {
|
||||||
|
return *exclusive_monitor;
|
||||||
|
}
|
||||||
|
|
||||||
|
const ExclusiveMonitor& CpuCoreManager::GetExclusiveMonitor() const {
|
||||||
|
return *exclusive_monitor;
|
||||||
|
}
|
||||||
|
|
||||||
|
Cpu& CpuCoreManager::GetCurrentCore() {
|
||||||
|
if (Settings::values.use_multi_core) {
|
||||||
|
const auto& search = thread_to_cpu.find(std::this_thread::get_id());
|
||||||
|
ASSERT(search != thread_to_cpu.end());
|
||||||
|
ASSERT(search->second);
|
||||||
|
return *search->second;
|
||||||
|
}
|
||||||
|
|
||||||
|
// Otherwise, use single-threaded mode active_core variable
|
||||||
|
return *cores[active_core];
|
||||||
|
}
|
||||||
|
|
||||||
|
const Cpu& CpuCoreManager::GetCurrentCore() const {
|
||||||
|
if (Settings::values.use_multi_core) {
|
||||||
|
const auto& search = thread_to_cpu.find(std::this_thread::get_id());
|
||||||
|
ASSERT(search != thread_to_cpu.end());
|
||||||
|
ASSERT(search->second);
|
||||||
|
return *search->second;
|
||||||
|
}
|
||||||
|
|
||||||
|
// Otherwise, use single-threaded mode active_core variable
|
||||||
|
return *cores[active_core];
|
||||||
|
}
|
||||||
|
|
||||||
|
void CpuCoreManager::RunLoop(bool tight_loop) {
|
||||||
|
// Update thread_to_cpu in case Core 0 is run from a different host thread
|
||||||
|
thread_to_cpu[std::this_thread::get_id()] = cores[0].get();
|
||||||
|
|
||||||
|
if (GDBStub::IsServerEnabled()) {
|
||||||
|
GDBStub::HandlePacket();
|
||||||
|
|
||||||
|
// If the loop is halted and we want to step, use a tiny (1) number of instructions to
|
||||||
|
// execute. Otherwise, get out of the loop function.
|
||||||
|
if (GDBStub::GetCpuHaltFlag()) {
|
||||||
|
if (GDBStub::GetCpuStepFlag()) {
|
||||||
|
tight_loop = false;
|
||||||
|
} else {
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
for (active_core = 0; active_core < NUM_CPU_CORES; ++active_core) {
|
||||||
|
cores[active_core]->RunLoop(tight_loop);
|
||||||
|
if (Settings::values.use_multi_core) {
|
||||||
|
// Cores 1-3 are run on other threads in this mode
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
if (GDBStub::IsServerEnabled()) {
|
||||||
|
GDBStub::SetCpuStepFlag(false);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
void CpuCoreManager::InvalidateAllInstructionCaches() {
|
||||||
|
for (auto& cpu : cores) {
|
||||||
|
cpu->ArmInterface().ClearInstructionCache();
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
} // namespace Core
|
59
src/core/cpu_core_manager.h
Normal file
59
src/core/cpu_core_manager.h
Normal file
|
@ -0,0 +1,59 @@
|
||||||
|
// Copyright 2018 yuzu emulator team
|
||||||
|
// Licensed under GPLv2 or any later version
|
||||||
|
// Refer to the license.txt file included.
|
||||||
|
|
||||||
|
#pragma once
|
||||||
|
|
||||||
|
#include <array>
|
||||||
|
#include <map>
|
||||||
|
#include <memory>
|
||||||
|
#include <thread>
|
||||||
|
|
||||||
|
namespace Core {
|
||||||
|
|
||||||
|
class Cpu;
|
||||||
|
class CpuBarrier;
|
||||||
|
class ExclusiveMonitor;
|
||||||
|
class System;
|
||||||
|
|
||||||
|
class CpuCoreManager {
|
||||||
|
public:
|
||||||
|
CpuCoreManager();
|
||||||
|
CpuCoreManager(const CpuCoreManager&) = delete;
|
||||||
|
CpuCoreManager(CpuCoreManager&&) = delete;
|
||||||
|
|
||||||
|
~CpuCoreManager();
|
||||||
|
|
||||||
|
CpuCoreManager& operator=(const CpuCoreManager&) = delete;
|
||||||
|
CpuCoreManager& operator=(CpuCoreManager&&) = delete;
|
||||||
|
|
||||||
|
void Initialize(System& system);
|
||||||
|
void Shutdown();
|
||||||
|
|
||||||
|
Cpu& GetCore(std::size_t index);
|
||||||
|
const Cpu& GetCore(std::size_t index) const;
|
||||||
|
|
||||||
|
Cpu& GetCurrentCore();
|
||||||
|
const Cpu& GetCurrentCore() const;
|
||||||
|
|
||||||
|
ExclusiveMonitor& GetExclusiveMonitor();
|
||||||
|
const ExclusiveMonitor& GetExclusiveMonitor() const;
|
||||||
|
|
||||||
|
void RunLoop(bool tight_loop);
|
||||||
|
|
||||||
|
void InvalidateAllInstructionCaches();
|
||||||
|
|
||||||
|
private:
|
||||||
|
static constexpr std::size_t NUM_CPU_CORES = 4;
|
||||||
|
|
||||||
|
std::unique_ptr<ExclusiveMonitor> exclusive_monitor;
|
||||||
|
std::unique_ptr<CpuBarrier> barrier;
|
||||||
|
std::array<std::unique_ptr<Cpu>, NUM_CPU_CORES> cores;
|
||||||
|
std::array<std::unique_ptr<std::thread>, NUM_CPU_CORES - 1> core_threads;
|
||||||
|
std::size_t active_core{}; ///< Active core, only used in single thread mode
|
||||||
|
|
||||||
|
/// Map of guest threads to CPU cores
|
||||||
|
std::map<std::thread::id, Cpu*> thread_to_cpu;
|
||||||
|
};
|
||||||
|
|
||||||
|
} // namespace Core
|
Loading…
Reference in a new issue