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CPU_Manager: Unload/Reload threads on preemption on SingleCore

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This commit is contained in:
Fernando Sahmkow 2020-03-10 11:50:33 -04:00
parent 8a78fc2580
commit a439cdf22e
4 changed files with 64 additions and 7 deletions
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14
src/core/cpu_manager.cpp
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@ -225,7 +225,7 @@ void CpuManager::SingleCoreRunGuestLoop() {
}
physical_core.ClearExclusive();
PreemptSingleCore();
auto& scheduler = physical_core.Scheduler();
auto& scheduler = kernel.Scheduler(current_core);
scheduler.TryDoContextSwitch();
}
}
@ -260,11 +260,15 @@ void CpuManager::SingleCoreRunSuspendThread() {
void CpuManager::PreemptSingleCore() {
preemption_count = 0;
std::size_t old_core = current_core;
current_core = (current_core + 1) % Core::Hardware::NUM_CPU_CORES;
current_core.store((current_core + 1) % Core::Hardware::NUM_CPU_CORES);
auto& scheduler = system.Kernel().Scheduler(old_core);
Kernel::Thread* current_thread = system.Kernel().Scheduler(old_core).GetCurrentThread();
Kernel::Thread* next_thread = system.Kernel().Scheduler(current_core).GetCurrentThread();
Common::Fiber::YieldTo(current_thread->GetHostContext(), next_thread->GetHostContext());
Kernel::Thread* current_thread = scheduler.GetCurrentThread();
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();
}
void CpuManager::SingleCorePause(bool paused) {