pipe.S revision 1.5 1 1.5 kleink /* $NetBSD: pipe.S,v 1.5 2000/09/28 08:38:54 kleink Exp $ */
2 1.4 christos
3 1.1 cgd /*-
4 1.1 cgd * Copyright (c) 1990 The Regents of the University of California.
5 1.1 cgd * All rights reserved.
6 1.1 cgd *
7 1.1 cgd * This code is derived from software contributed to Berkeley by
8 1.1 cgd * William Jolitz.
9 1.1 cgd *
10 1.1 cgd * Redistribution and use in source and binary forms, with or without
11 1.1 cgd * modification, are permitted provided that the following conditions
12 1.1 cgd * are met:
13 1.1 cgd * 1. Redistributions of source code must retain the above copyright
14 1.1 cgd * notice, this list of conditions and the following disclaimer.
15 1.1 cgd * 2. Redistributions in binary form must reproduce the above copyright
16 1.1 cgd * notice, this list of conditions and the following disclaimer in the
17 1.1 cgd * documentation and/or other materials provided with the distribution.
18 1.1 cgd * 3. All advertising materials mentioning features or use of this software
19 1.1 cgd * must display the following acknowledgement:
20 1.1 cgd * This product includes software developed by the University of
21 1.1 cgd * California, Berkeley and its contributors.
22 1.1 cgd * 4. Neither the name of the University nor the names of its contributors
23 1.1 cgd * may be used to endorse or promote products derived from this software
24 1.1 cgd * without specific prior written permission.
25 1.1 cgd *
26 1.1 cgd * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
27 1.1 cgd * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
28 1.1 cgd * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
29 1.1 cgd * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
30 1.1 cgd * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
31 1.1 cgd * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
32 1.1 cgd * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
33 1.1 cgd * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
34 1.1 cgd * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
35 1.1 cgd * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
36 1.1 cgd * SUCH DAMAGE.
37 1.2 jtc *
38 1.2 jtc * from: @(#)pipe.s 5.1 (Berkeley) 4/23/90
39 1.1 cgd */
40 1.1 cgd
41 1.4 christos #include <machine/asm.h>
42 1.1 cgd #if defined(SYSLIBC_SCCS) && !defined(lint)
43 1.5 kleink RCSID("$NetBSD: pipe.S,v 1.5 2000/09/28 08:38:54 kleink Exp $")
44 1.1 cgd #endif /* SYSLIBC_SCCS and not lint */
45 1.1 cgd
46 1.1 cgd #include "SYS.h"
47 1.1 cgd
48 1.5 kleink #ifdef WEAK_ALIAS
49 1.5 kleink WEAK_ALIAS(pipe, _pipe)
50 1.5 kleink #endif
51 1.5 kleink
52 1.5 kleink _SYSCALL(_pipe,pipe)
53 1.1 cgd movl 4(%esp),%ecx
54 1.1 cgd movl %eax,(%ecx)
55 1.1 cgd movl %edx,4(%ecx)
56 1.3 jtc xorl %eax,%eax
57 1.1 cgd ret
58