xref: /minix3/common/lib/libc/arch/i386/string/small/memset.S (revision 0a6a1f1d05b60e214de2f05a7310ddd1f0e590e7)
1*0a6a1f1dSLionel Sambuc/*	$NetBSD: memset.S,v 1.2 2014/03/22 19:38:46 jakllsch Exp $	*/
2f14fb602SLionel Sambuc
3f14fb602SLionel Sambuc/*-
4f14fb602SLionel Sambuc * Copyright (c) 2011 The NetBSD Foundation, Inc.
5f14fb602SLionel Sambuc * All rights reserved.
6f14fb602SLionel Sambuc *
7f14fb602SLionel Sambuc * This code is derived from software contributed to The NetBSD Foundation
8f14fb602SLionel Sambuc * by Joerg Sonnenberger.
9f14fb602SLionel Sambuc *
10f14fb602SLionel Sambuc * Redistribution and use in source and binary forms, with or without
11f14fb602SLionel Sambuc * modification, are permitted provided that the following conditions
12f14fb602SLionel Sambuc * are met:
13f14fb602SLionel Sambuc * 1. Redistributions of source code must retain the above copyright
14f14fb602SLionel Sambuc *    notice, this list of conditions and the following disclaimer.
15f14fb602SLionel Sambuc * 2. Redistributions in binary form must reproduce the above copyright
16f14fb602SLionel Sambuc *    notice, this list of conditions and the following disclaimer in the
17f14fb602SLionel Sambuc *    documentation and/or other materials provided with the distribution.
18f14fb602SLionel Sambuc *
19f14fb602SLionel Sambuc * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20f14fb602SLionel Sambuc * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21f14fb602SLionel Sambuc * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22f14fb602SLionel Sambuc * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23f14fb602SLionel Sambuc * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24f14fb602SLionel Sambuc * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25f14fb602SLionel Sambuc * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26f14fb602SLionel Sambuc * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27f14fb602SLionel Sambuc * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28f14fb602SLionel Sambuc * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29f14fb602SLionel Sambuc * POSSIBILITY OF SUCH DAMAGE.
30f14fb602SLionel Sambuc */
31f14fb602SLionel Sambuc
32f14fb602SLionel Sambuc#include <machine/asm.h>
33*0a6a1f1dSLionel Sambuc	RCSID("$NetBSD: memset.S,v 1.2 2014/03/22 19:38:46 jakllsch Exp $")
34f14fb602SLionel Sambuc
35f14fb602SLionel SambucENTRY(memset)
36f14fb602SLionel Sambuc	pushl	%edi
37f14fb602SLionel Sambuc	movl	8(%esp), %edi
38f14fb602SLionel Sambuc	movl	12(%esp), %eax
39f14fb602SLionel Sambuc	movl	16(%esp), %ecx
40f14fb602SLionel Sambuc	pushl	%edi
41f14fb602SLionel Sambuc	rep
42f14fb602SLionel Sambuc	stosb
43f14fb602SLionel Sambuc	popl	%eax
44f14fb602SLionel Sambuc	popl	%edi
45f14fb602SLionel Sambuc	ret
46*0a6a1f1dSLionel SambucEND(memset)
47