First Commit

common/WrappedMemCopy.h

@@ -0,0 +1,40 @@
+// SPDX-FileCopyrightText: 2002-2025 PCSX2 Dev Team
+// SPDX-License-Identifier: GPL-3.0+
+
+#include "common/Pcsx2Defs.h"
+
+[[maybe_unused]]
+__ri static void MemCopy_WrappedDest(const u128* src, u128* destBase, uint& destStart, uint destSize, uint len)
+{
+	uint endpos = destStart + len;
+	if (endpos < destSize)
+	{
+		memcpy(&destBase[destStart], src, len * 16);
+		destStart += len;
+	}
+	else
+	{
+		uint firstcopylen = destSize - destStart;
+		memcpy(&destBase[destStart], src, firstcopylen * 16);
+		destStart = endpos % destSize;
+		memcpy(destBase, src + firstcopylen, destStart * 16);
+	}
+}
+
+[[maybe_unused]]
+__ri static void MemCopy_WrappedSrc(const u128* srcBase, uint& srcStart, uint srcSize, u128* dest, uint len)
+{
+	uint endpos = srcStart + len;
+	if (endpos < srcSize)
+	{
+		memcpy(dest, &srcBase[srcStart], len * 16);
+		srcStart += len;
+	}
+	else
+	{
+		uint firstcopylen = srcSize - srcStart;
+		memcpy(dest, &srcBase[srcStart], firstcopylen * 16);
+		srcStart = endpos % srcSize;
+		memcpy(dest + firstcopylen, srcBase, srcStart * 16);
+	}
+}