1 files changed, 48 insertions, 0 deletions
diff --git a/src/VBox/ValidationKit/bootsectors/bs3kit/bs3-cmn-MemPCpy.c b/src/VBox/ValidationKit/bootsectors/bs3kit/bs3-cmn-MemPCpy.c
new file mode 100644
index 00000000..730b3aea
--- /dev/null
+++ b/src/VBox/ValidationKit/bootsectors/bs3kit/bs3-cmn-MemPCpy.c
@@ -0,0 +1,48 @@
+/* $Id: bs3-cmn-MemPCpy.c $ */
+/** @file
+ * BS3Kit - Bs3MemPCpy
+ */
+
+/*
+ * Copyright (C) 2007-2019 Oracle Corporation
+ *
+ * This file is part of VirtualBox Open Source Edition (OSE), as
+ * available from http://www.virtualbox.org. This file is free software;
+ * you can redistribute it and/or modify it under the terms of the GNU
+ * General Public License (GPL) as published by the Free Software
+ * Foundation, in version 2 as it comes in the "COPYING" file of the
+ * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
+ * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
+ *
+ * The contents of this file may alternatively be used under the terms
+ * of the Common Development and Distribution License Version 1.0
+ * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
+ * VirtualBox OSE distribution, in which case the provisions of the
+ * CDDL are applicable instead of those of the GPL.
+ *
+ * You may elect to license modified versions of this file under the
+ * terms and conditions of either the GPL or the CDDL or both.
+ */
+
+#include "bs3kit-template-header.h"
+
+#undef Bs3MemPCpy
+BS3_CMN_DEF(void BS3_FAR *, Bs3MemPCpy,(void BS3_FAR *pvDst, const void BS3_FAR *pvSrc, size_t cbToCopy))
+{
+    size_t          cLargeRounds;
+    BS3CPTRUNION    uSrc;
+    BS3PTRUNION     uDst;
+    uSrc.pv = pvSrc;
+    uDst.pv = pvDst;
+
+    cLargeRounds = cbToCopy / sizeof(*uSrc.pcb);
+    while (cLargeRounds-- > 0)
+        *uDst.pcb++ = *uSrc.pcb++;
+
+    cbToCopy %= sizeof(*uSrc.pcb);
+    while (cbToCopy-- > 0)
+        *uDst.pb++ = *uSrc.pb++;
+
+    return uDst.pv;
+}
+