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kernel: Implement thread pinning support (#2840)

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* kernel: Implement Thread pinning support

This commit adds support for 8.x thread pinning changes and implement SynchronizePreemptionState syscall.

Based on kernel 13.x reverse.

* Address gdkchan's comment

* kernel: fix missing critical section leave in SetActivity

Fix Unity games

* Implement missing bits on the interrupt handler and inline update pinning function as it cannot be generic

* Fix some bugs in SetActivity and SetCoreAndAffinityMask

* Address gdkchan's comments
This commit is contained in:
Mary 2021-12-30 10:55:06 +01:00 • committed by GitHub
parent 8544b1445b
commit e96ef6d532
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9 changed files with 436 additions and 95 deletions
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24
Ryujinx.HLE/HOS/Kernel/SupervisorCall/SyscallHandler.cs
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@ -19,7 +19,22 @@ namespace Ryujinx.HLE.HOS.Kernel.SupervisorCall
public void SvcCall(object sender, InstExceptionEventArgs e)
{
ExecutionContext context = (ExecutionContext)sender;
KThread currentThread = KernelStatic.GetCurrentThread();
if (currentThread.Owner != null &&
currentThread.GetUserDisableCount() != 0 &&
currentThread.Owner.PinnedThreads[currentThread.CurrentCore] == null)
{
_context.CriticalSection.Enter();
currentThread.Owner.PinThread(currentThread);
currentThread.SetUserInterruptFlag();
_context.CriticalSection.Leave();
}
ExecutionContext context = (ExecutionContext)sender;
if (context.IsAarch32)
{
@ -44,13 +59,6 @@ namespace Ryujinx.HLE.HOS.Kernel.SupervisorCall
svcFunc(_syscall64, context);
}
PostSvcHandler();
}
private void PostSvcHandler()
{
KThread currentThread = KernelStatic.GetCurrentThread();
currentThread.HandlePostSyscall();
}
}