diff options
| -rw-r--r-- | src/core/cpu_manager.cpp | 47 |
1 files changed, 26 insertions, 21 deletions
diff --git a/src/core/cpu_manager.cpp b/src/core/cpu_manager.cpp index 179154348..373395047 100644 --- a/src/core/cpu_manager.cpp +++ b/src/core/cpu_manager.cpp @@ -254,29 +254,34 @@ void CpuManager::SingleCoreRunSuspendThread() { } void CpuManager::PreemptSingleCore(bool from_running_enviroment) { - std::size_t old_core = current_core; - auto& scheduler = system.Kernel().Scheduler(old_core); - Kernel::Thread* current_thread = scheduler.GetCurrentThread(); - if (idle_count >= 4 || from_running_enviroment) { - if (!from_running_enviroment) { - system.CoreTiming().Idle(); - idle_count = 0; + { + auto& scheduler = system.Kernel().Scheduler(current_core); + Kernel::Thread* current_thread = scheduler.GetCurrentThread(); + if (idle_count >= 4 || from_running_enviroment) { + if (!from_running_enviroment) { + system.CoreTiming().Idle(); + idle_count = 0; + } + current_thread->SetPhantomMode(true); + system.CoreTiming().Advance(); + current_thread->SetPhantomMode(false); } - current_thread->SetPhantomMode(true); - system.CoreTiming().Advance(); - current_thread->SetPhantomMode(false); + current_core.store((current_core + 1) % Core::Hardware::NUM_CPU_CORES); + system.CoreTiming().ResetTicks(); + scheduler.Unload(scheduler.GetCurrentThread()); + + auto& next_scheduler = system.Kernel().Scheduler(current_core); + Common::Fiber::YieldTo(current_thread->GetHostContext(), next_scheduler.ControlContext()); } - current_core.store((current_core + 1) % Core::Hardware::NUM_CPU_CORES); - system.CoreTiming().ResetTicks(); - scheduler.Unload(scheduler.GetCurrentThread()); - 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(scheduler.GetCurrentThread()); - auto* currrent_thread2 = current_scheduler.GetCurrentThread(); - if (!currrent_thread2->IsIdleThread()) { - idle_count = 0; + + // May have changed scheduler + { + auto& scheduler = system.Kernel().Scheduler(current_core); + scheduler.Reload(scheduler.GetCurrentThread()); + auto* currrent_thread2 = scheduler.GetCurrentThread(); + if (!currrent_thread2->IsIdleThread()) { + idle_count = 0; + } } } |