add necessary file for powerpc port.

It would be really nice if this was a "standard" libkern function.

1 files changed, 62 insertions, 0 deletions

diff --git a/sys/lib/libkern/arch/powerpc/memcpy.c b/sys/lib/libkern/arch/powerpc/memcpy.c
new file mode 100644
index 00000000000..f69a0a33435
--- /dev/null
+++ b/sys/lib/libkern/arch/powerpc/memcpy.c
@@ -0,0 +1,62 @@
+/*	$OpenBSD: memcpy.c,v 1.1 1996/12/28 06:03:54 rahnds Exp $	*/
+/*	$NetBSD: bcopy.c,v 1.5 1995/04/22 13:46:50 cgd Exp $	*/
+
+/*-
+ * Copyright (c) 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	@(#)bcopy.c	8.1 (Berkeley) 6/11/93
+ */
+
+#include <sys/types.h>
+
+/*
+ * This is designed to be small, not fast.
+ */
+void *
+memcpy(s1, s2, n)
+	void *s1;
+	const void *s2;
+	size_t n;
+{
+	register const char *f = s2;
+	register char *t = s1;
+
+	if (f < t) {
+		f += n;
+		t += n;
+		while (n-- > 0)
+			*--t = *--f;
+	} else
+		while (n-- > 0)
+			*t++ = *f++;
+	return s1;
+}