diff options
Diffstat (limited to 'Ryujinx.Memory/Tracking/VirtualRegion.cs')
| -rw-r--r-- | Ryujinx.Memory/Tracking/VirtualRegion.cs | 22 |
1 files changed, 18 insertions, 4 deletions
diff --git a/Ryujinx.Memory/Tracking/VirtualRegion.cs b/Ryujinx.Memory/Tracking/VirtualRegion.cs index 696d3560..e758f38e 100644 --- a/Ryujinx.Memory/Tracking/VirtualRegion.cs +++ b/Ryujinx.Memory/Tracking/VirtualRegion.cs @@ -11,9 +11,11 @@ namespace Ryujinx.Memory.Tracking public List<RegionHandle> Handles = new List<RegionHandle>(); private readonly MemoryTracking _tracking; + private MemoryPermission _lastPermission; - public VirtualRegion(MemoryTracking tracking, ulong address, ulong size) : base(address, size) + public VirtualRegion(MemoryTracking tracking, ulong address, ulong size, MemoryPermission lastPermission = MemoryPermission.Invalid) : base(address, size) { + _lastPermission = lastPermission; _tracking = tracking; } @@ -33,6 +35,8 @@ namespace Ryujinx.Memory.Tracking /// <param name="mapped">True if the region has been mapped, false if unmapped</param> public void SignalMappingChanged(bool mapped) { + _lastPermission = MemoryPermission.Invalid; + foreach (RegionHandle handle in Handles) { handle.SignalMappingChanged(mapped); @@ -61,9 +65,19 @@ namespace Ryujinx.Memory.Tracking /// <summary> /// Updates the protection for this virtual region. /// </summary> - public void UpdateProtection() + public bool UpdateProtection() { - _tracking.ProtectVirtualRegion(this, GetRequiredPermission()); + MemoryPermission permission = GetRequiredPermission(); + + if (_lastPermission != permission) + { + _tracking.ProtectVirtualRegion(this, permission); + _lastPermission = permission; + + return true; + } + + return false; } /// <summary> @@ -85,7 +99,7 @@ namespace Ryujinx.Memory.Tracking public override INonOverlappingRange Split(ulong splitAddress) { - VirtualRegion newRegion = new VirtualRegion(_tracking, splitAddress, EndAddress - splitAddress); + VirtualRegion newRegion = new VirtualRegion(_tracking, splitAddress, EndAddress - splitAddress, _lastPermission); Size = splitAddress - Address; // The new region inherits all of our parents. |