From da07e13e0798a4ebd423595830f04e2234a03942 Mon Sep 17 00:00:00 2001 From: Liam Date: Thu, 7 Jul 2022 12:34:46 -0400 Subject: kernel: fix single-core preemption points --- src/core/hle/kernel/k_scheduler.cpp | 13 +++++++++++++ 1 file changed, 13 insertions(+) (limited to 'src/core/hle/kernel/k_scheduler.cpp') diff --git a/src/core/hle/kernel/k_scheduler.cpp b/src/core/hle/kernel/k_scheduler.cpp index cac96a780..230ca3b95 100644 --- a/src/core/hle/kernel/k_scheduler.cpp +++ b/src/core/hle/kernel/k_scheduler.cpp @@ -103,7 +103,20 @@ void KScheduler::ScheduleOnInterrupt() { GetCurrentThread(kernel).EnableDispatch(); } +void KScheduler::PreemptSingleCore() { + GetCurrentThread(kernel).DisableDispatch(); + + auto* thread = GetCurrentThreadPointer(kernel); + auto& previous_scheduler = kernel.Scheduler(thread->GetCurrentCore()); + previous_scheduler.Unload(thread); + + Common::Fiber::YieldTo(thread->GetHostContext(), *m_switch_fiber); + + GetCurrentThread(kernel).EnableDispatch(); +} + void KScheduler::RescheduleCurrentCore() { + ASSERT(!kernel.IsPhantomModeForSingleCore()); ASSERT(GetCurrentThread(kernel).GetDisableDispatchCount() == 1); GetCurrentThread(kernel).EnableDispatch(); -- cgit v1.2.3