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Remove unused physical region tracking (#2085)

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* Remove unused physical region tracking

* Update comments
This commit is contained in:
riperiperi 2021-03-06 23:21:53 +00:00 • committed by GitHub
parent 8d36681bf1
commit a539303e71
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GPG key ID: 4AEE18F83AFDEB23
7 changed files with 24 additions and 316 deletions
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53
Ryujinx.Memory.Tests/TrackingTests.cs
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@ -32,17 +32,12 @@ namespace Ryujinx.Memory.Tests
_memoryBlock.Dispose();
}
private bool TestSingleWrite(RegionHandle handle, ulong address, ulong size, bool physical = false)
private bool TestSingleWrite(RegionHandle handle, ulong address, ulong size)
{
handle.Reprotect();
if (physical)
{
_tracking.PhysicalMemoryEvent(address, true);
}
else
{
_tracking.VirtualMemoryEvent(address, size, true);
}
_tracking.VirtualMemoryEvent(address, size, true);
return handle.Dirty;
}
@ -97,9 +92,6 @@ namespace Ryujinx.Memory.Tests
bool dirtyAfterDispose = TestSingleWrite(handle, 0, 4);
Assert.False(dirtyAfterDispose); // Handle cannot be triggered when disposed
bool dirtyAfterDispose2 = TestSingleWrite(handle, 0, 4, true);
Assert.False(dirtyAfterDispose2);
}
[Test]
@ -362,33 +354,6 @@ namespace Ryujinx.Memory.Tests
Assert.AreEqual(registeredCount, triggeredCount + 1);
}
[Test]
public void PhysicalMemoryMapping()
{
// Tracking is done in the virtual space usually, but we also support tracking on physical regions.
// The physical regions that make up a virtual region are determined when the region is created,
// or when a mapping changes.
// These tests verify that the region cannot be signalled after unmapping, and can after remapping.
RegionHandle handle = _tracking.BeginTracking(PageSize, PageSize);
Assert.True(handle.Dirty);
bool trackedWriteTriggers = TestSingleWrite(handle, PageSize, 1, true);
Assert.True(trackedWriteTriggers);
_memoryManager.NoMappings = true;
_tracking.Unmap(PageSize, PageSize);
bool unmappedWriteTriggers = TestSingleWrite(handle, PageSize, 1, true);
Assert.False(unmappedWriteTriggers);
_memoryManager.NoMappings = false;
_tracking.Map(PageSize, PageSize, PageSize);
bool remappedWriteTriggers = TestSingleWrite(handle, PageSize, 1, true);
Assert.True(remappedWriteTriggers);
}
[Test]
public void DisposeHandles()
{
@ -397,11 +362,11 @@ namespace Ryujinx.Memory.Tests
RegionHandle handle = _tracking.BeginTracking(0, PageSize);
handle.Reprotect();
Assert.AreEqual((1, 1), _tracking.GetRegionCounts());
Assert.AreEqual(1, _tracking.GetRegionCount());
handle.Dispose();
Assert.AreEqual((0, 0), _tracking.GetRegionCounts());
Assert.AreEqual(0, _tracking.GetRegionCount());
// Two handles, small entirely contains big.
// We expect there to be three regions after creating both, one for the small region and two covering the big one around it.
@ -410,16 +375,16 @@ namespace Ryujinx.Memory.Tests
RegionHandle handleSmall = _tracking.BeginTracking(PageSize, PageSize);
RegionHandle handleBig = _tracking.BeginTracking(0, PageSize * 4);
Assert.AreEqual((3, 3), _tracking.GetRegionCounts());
Assert.AreEqual(3, _tracking.GetRegionCount());
// After disposing the big region, only the small one will remain.
handleBig.Dispose();
Assert.AreEqual((1, 1), _tracking.GetRegionCounts());
Assert.AreEqual(1, _tracking.GetRegionCount());
handleSmall.Dispose();
Assert.AreEqual((0, 0), _tracking.GetRegionCounts());
Assert.AreEqual(0, _tracking.GetRegionCount());
}
[Test]