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Diffstat (limited to 'Ryujinx.Cpu/Jit/MemoryManager.cs')
-rw-r--r--Ryujinx.Cpu/Jit/MemoryManager.cs31
1 files changed, 31 insertions, 0 deletions
diff --git a/Ryujinx.Cpu/Jit/MemoryManager.cs b/Ryujinx.Cpu/Jit/MemoryManager.cs
index 86c69431..21c50d51 100644
--- a/Ryujinx.Cpu/Jit/MemoryManager.cs
+++ b/Ryujinx.Cpu/Jit/MemoryManager.cs
@@ -180,6 +180,37 @@ namespace Ryujinx.Cpu.Jit
WriteImpl(va, data);
}
+ /// <inheritdoc/>
+ public bool WriteWithRedundancyCheck(ulong va, ReadOnlySpan<byte> data)
+ {
+ if (data.Length == 0)
+ {
+ return false;
+ }
+
+ SignalMemoryTracking(va, (ulong)data.Length, false);
+
+ if (IsContiguousAndMapped(va, data.Length))
+ {
+ var target = _backingMemory.GetSpan(GetPhysicalAddressInternal(va), data.Length);
+
+ bool changed = !data.SequenceEqual(target);
+
+ if (changed)
+ {
+ data.CopyTo(target);
+ }
+
+ return changed;
+ }
+ else
+ {
+ WriteImpl(va, data);
+
+ return true;
+ }
+ }
+
/// <summary>
/// Writes data to CPU mapped memory.
/// </summary>