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[dynarmic] fix multicore macOS issue

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Signed-off-by: lizzie <lizzie@eden-emu.dev>
This commit is contained in:
lizzie 2026-03-10 18:24:19 +00:00
parent 8678cb06eb
commit 535a80e8e3
10 changed files with 110 additions and 263 deletions
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76
src/core/cpu_manager.cpp
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@ -26,15 +26,42 @@ CpuManager::~CpuManager() = default;
void CpuManager::Initialize() {
num_cores = is_multicore ? Core::Hardware::NUM_CPU_CORES : 1;
gpu_barrier = std::make_unique<Common::Barrier>(num_cores + 1);
for (std::size_t core = 0; core < num_cores; core++)
core_data[core].host_thread = std::jthread([this, core](std::stop_token token) { RunThread(token, core); });
for (std::size_t core = 0; core < num_cores; core++) {
core_data[core].host_thread = std::jthread([this, core](std::stop_token token) {
// Initialization
system.RegisterCoreThread(core);
Common::SetCurrentThreadName(("CPUCore_" + std::to_string(core)).c_str());
Common::SetCurrentThreadPriority(Common::ThreadPriority::Critical);
#ifdef __ANDROID__
// Aimed specifically for Snapdragon 8 Elite devices
// This kills performance on desktop, but boosts perf for UMA devices
// like the S8E. Mediatek and Mali likely won't suffer.
Common::PinCurrentThreadToPerformanceCore(core);
#endif
auto& data = core_data[core];
data.host_context = Common::Fiber::ThreadToFiber();
// Running
if (gpu_barrier->Sync(token)) {
if (!is_async_gpu && !is_multicore) {
system.GPU().ObtainContext();
}
auto& kernel = system.Kernel();
auto& scheduler = *kernel.CurrentScheduler();
auto* thread = scheduler.GetSchedulerCurrentThread();
Kernel::SetCurrentThread(kernel, thread);
Common::Fiber::YieldTo(data.host_context, *thread->GetHostContext());
}
// Cleanup
data.host_context->Exit();
});
}
}
void CpuManager::Shutdown() {
for (std::size_t core = 0; core < num_cores; core++) {
if (core_data[core].host_thread.joinable()) {
core_data[core].host_thread.request_stop();
core_data[core].host_thread.join();
for (auto it = core_data.begin(); it != core_data.end(); ++it) {
if (it->host_thread.joinable()) {
it->host_thread.request_stop();
it->host_thread.join();
}
}
}
@ -183,41 +210,4 @@ void CpuManager::ShutdownThread() {
UNREACHABLE();
}
void CpuManager::RunThread(std::stop_token token, std::size_t core) {
/// Initialization
system.RegisterCoreThread(core);
std::string name = is_multicore ? ("CPUCore_" + std::to_string(core)) : std::string{"CPUThread"};
Common::SetCurrentThreadName(name.c_str());
Common::SetCurrentThreadPriority(Common::ThreadPriority::Critical);
#ifdef __ANDROID__
// Aimed specifically for Snapdragon 8 Elite devices
// This kills performance on desktop, but boosts perf for UMA devices
// like the S8E. Mediatek and Mali likely won't suffer.
Common::PinCurrentThreadToPerformanceCore(core);
#endif
auto& data = core_data[core];
data.host_context = Common::Fiber::ThreadToFiber();
// Cleanup
SCOPE_EXIT {
data.host_context->Exit();
};
// Running
if (!gpu_barrier->Sync(token)) {
return;
}
if (!is_async_gpu && !is_multicore) {
system.GPU().ObtainContext();
}
auto& kernel = system.Kernel();
auto& scheduler = *kernel.CurrentScheduler();
auto* thread = scheduler.GetSchedulerCurrentThread();
Kernel::SetCurrentThread(kernel, thread);
Common::Fiber::YieldTo(data.host_context, *thread->GetHostContext());
}
} // namespace Core