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Merge branch 'master' into pptc_and_pool_enhancements

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This commit is contained in:
LDj3SNuD 2021-02-08 03:48:40 +01:00
commit 5697d047fb
15 changed files with 198 additions and 185 deletions
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50
ARMeilleure/Translation/Translator.cs
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@ -397,33 +397,10 @@ namespace ARMeilleure.Translation
public void InvalidateJitCacheRegion(ulong address, ulong size)
{
static bool OverlapsWith(ulong funcAddress, ulong funcSize, ulong address, ulong size)
{
return funcAddress < address + size && address < funcAddress + funcSize;
}
// If rejit is running, stop it as it may be trying to rejit a function on the invalidated region.
ClearRejitQueue(allowRequeue: true);
// Make a copy of all overlapping functions, as we can't otherwise
// remove elements from the collection we are iterating.
// Doing that before clearing the rejit queue is fine, even
// if a function is translated after this, it would only replace
// a existing function, as rejit is only triggered on functions
// that were already executed before.
var toDelete = _funcs.Where(x => OverlapsWith(x.Key, x.Value.GuestSize, address, size)).ToArray();
if (toDelete.Length != 0)
{
// If rejit is running, stop it as it may be trying to rejit the functions we are
// supposed to remove.
ClearRejitQueue();
}
foreach (var kv in toDelete)
{
if (_funcs.TryRemove(kv.Key, out TranslatedFunction func))
{
EnqueueForDeletion(kv.Key, func);
}
}
// TODO: Completely remove functions overlapping the specified range from the cache.
}
private void EnqueueForDeletion(ulong guestAddress, TranslatedFunction func)
@ -434,7 +411,7 @@ namespace ARMeilleure.Translation
private void ClearJitCache()
{
// Ensure no attempt will be made to compile new functions due to rejit.
ClearRejitQueue();
ClearRejitQueue(allowRequeue: false);
foreach (var kv in _funcs)
{
@ -449,10 +426,25 @@ namespace ARMeilleure.Translation
}
}
private void ClearRejitQueue()
private void ClearRejitQueue(bool allowRequeue)
{
_backgroundTranslatorLock.AcquireWriterLock(Timeout.Infinite);
_backgroundStack.Clear();
if (allowRequeue)
{
while (_backgroundStack.TryPop(out var request))
{
if (_funcs.TryGetValue(request.Address, out var func))
{
func.ResetCallCount();
}
}
}
else
{
_backgroundStack.Clear();
}
_backgroundTranslatorLock.ReleaseWriterLock();
}
}