pcsx2/common/WrappedMemCopy.h

41 lines
1.0 KiB
C

// SPDX-FileCopyrightText: 2002-2024 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);
}
}