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SingleCore: Move Host Timing from a sepparate thread to main cpu thread.

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This commit is contained in:
Fernando Sahmkow 2020-03-19 13:09:32 -04:00
parent 5d3a2be04f
commit f2ade343e2
7 changed files with 48 additions and 10 deletions
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17
src/core/cpu_manager.cpp
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@ -242,8 +242,11 @@ void CpuManager::SingleCoreRunGuestLoop() {
break;
}
}
physical_core.ClearExclusive();
system.ExitDynarmicProfile();
thread->SetPhantomMode(true);
system.CoreTiming().Advance();
thread->SetPhantomMode(false);
physical_core.ClearExclusive();
PreemptSingleCore();
auto& scheduler = kernel.Scheduler(current_core);
scheduler.TryDoContextSwitch();
@ -255,6 +258,7 @@ void CpuManager::SingleCoreRunIdleThread() {
while (true) {
auto& physical_core = kernel.CurrentPhysicalCore();
PreemptSingleCore();
idle_count++;
auto& scheduler = physical_core.Scheduler();
scheduler.TryDoContextSwitch();
}
@ -280,15 +284,24 @@ void CpuManager::SingleCoreRunSuspendThread() {
void CpuManager::PreemptSingleCore() {
preemption_count = 0;
std::size_t old_core = current_core;
current_core.store((current_core + 1) % Core::Hardware::NUM_CPU_CORES);
auto& scheduler = system.Kernel().Scheduler(old_core);
Kernel::Thread* current_thread = scheduler.GetCurrentThread();
if (idle_count >= 4) {
current_thread->SetPhantomMode(true);
system.CoreTiming().Advance();
current_thread->SetPhantomMode(false);
}
current_core.store((current_core + 1) % Core::Hardware::NUM_CPU_CORES);
scheduler.Unload();
auto& next_scheduler = system.Kernel().Scheduler(current_core);
Common::Fiber::YieldTo(current_thread->GetHostContext(), next_scheduler.ControlContext());
/// May have changed scheduler
auto& current_scheduler = system.Kernel().Scheduler(current_core);
current_scheduler.Reload();
auto* currrent_thread2 = current_scheduler.GetCurrentThread();
if (!currrent_thread2->IsIdleThread()) {
idle_count = 0;
}
}
void CpuManager::SingleCorePause(bool paused) {