mirror of
https://github.com/Ryujinx/Ryujinx.git
synced 2024-11-18 14:46:39 +00:00
14ce9e1567
* Initial commit with a lot of testing stuff. * Partial Unmap Cleanup Part 1 * Fix some minor issues, hopefully windows tests. * Disable partial unmap tests on macos for now Weird issue. * Goodbye magic number * Add COMPlus_EnableAlternateStackCheck for tests `COMPlus_EnableAlternateStackCheck` is needed for NullReferenceException handling to work on linux after registering the signal handler, due to how dotnet registers its own signal handler. * Address some feedback * Force retry when memory is mapped in memory tracking This case existed before, but returning `false` no longer retries, so it would crash immediately after unprotecting the memory... Now, we return `true` to deliberately retry. This case existed before (was just broken by this change) and I don't really want to look into fixing the issue right now. Technically, this means that on guest code partial unmaps will retry _due to this_ rather than hitting the handler. I don't expect this to cause any issues. This should fix random crashes in Xenoblade Chronicles 2. * Use IsRangeMapped * Suppress MockMemoryManager.UnmapEvent warning This event is not signalled by the mock memory manager. * Remove 4kb mapping
62 lines
2.3 KiB
C#
62 lines
2.3 KiB
C#
using ARMeilleure.Signal;
|
|
using Ryujinx.Memory;
|
|
using Ryujinx.Memory.Tracking;
|
|
using System;
|
|
using System.Runtime.InteropServices;
|
|
|
|
namespace Ryujinx.Cpu
|
|
{
|
|
public class MemoryEhMeilleure : IDisposable
|
|
{
|
|
private delegate bool TrackingEventDelegate(ulong address, ulong size, bool write, bool precise = false);
|
|
|
|
private readonly MemoryTracking _tracking;
|
|
private readonly TrackingEventDelegate _trackingEvent;
|
|
|
|
private readonly ulong _baseAddress;
|
|
private readonly ulong _mirrorAddress;
|
|
|
|
public MemoryEhMeilleure(MemoryBlock addressSpace, MemoryBlock addressSpaceMirror, MemoryTracking tracking)
|
|
{
|
|
_tracking = tracking;
|
|
|
|
_baseAddress = (ulong)addressSpace.Pointer;
|
|
ulong endAddress = _baseAddress + addressSpace.Size;
|
|
|
|
_trackingEvent = new TrackingEventDelegate(tracking.VirtualMemoryEvent);
|
|
bool added = NativeSignalHandler.AddTrackedRegion((nuint)_baseAddress, (nuint)endAddress, Marshal.GetFunctionPointerForDelegate(_trackingEvent));
|
|
|
|
if (!added)
|
|
{
|
|
throw new InvalidOperationException("Number of allowed tracked regions exceeded.");
|
|
}
|
|
|
|
if (OperatingSystem.IsWindows())
|
|
{
|
|
// Add a tracking event with no signal handler for the mirror on Windows.
|
|
// The native handler has its own code to check for the partial overlap race when regions are protected by accident,
|
|
// and when there is no signal handler present.
|
|
|
|
_mirrorAddress = (ulong)addressSpaceMirror.Pointer;
|
|
ulong endAddressMirror = _mirrorAddress + addressSpace.Size;
|
|
|
|
bool addedMirror = NativeSignalHandler.AddTrackedRegion((nuint)_mirrorAddress, (nuint)endAddressMirror, IntPtr.Zero);
|
|
|
|
if (!addedMirror)
|
|
{
|
|
throw new InvalidOperationException("Number of allowed tracked regions exceeded.");
|
|
}
|
|
}
|
|
}
|
|
|
|
public void Dispose()
|
|
{
|
|
NativeSignalHandler.RemoveTrackedRegion((nuint)_baseAddress);
|
|
|
|
if (_mirrorAddress != 0)
|
|
{
|
|
NativeSignalHandler.RemoveTrackedRegion((nuint)_mirrorAddress);
|
|
}
|
|
}
|
|
}
|
|
}
|