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      1  1.7  uebayasi /*	$NetBSD: pipe.S,v 1.7 2014/05/23 02:34:19 uebayasi 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  1.6       agc  * 3. Neither the name of the University nor the names of its contributors
     19  1.1       cgd  *    may be used to endorse or promote products derived from this software
     20  1.1       cgd  *    without specific prior written permission.
     21  1.1       cgd  *
     22  1.1       cgd  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     23  1.1       cgd  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     24  1.1       cgd  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     25  1.1       cgd  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     26  1.1       cgd  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     27  1.1       cgd  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     28  1.1       cgd  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     29  1.1       cgd  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     30  1.1       cgd  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     31  1.1       cgd  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     32  1.1       cgd  * SUCH DAMAGE.
     33  1.2       jtc  *
     34  1.2       jtc  *	from: @(#)pipe.s	5.1 (Berkeley) 4/23/90
     35  1.1       cgd  */
     36  1.1       cgd 
     37  1.4  christos #include <machine/asm.h>
     38  1.1       cgd #if defined(SYSLIBC_SCCS) && !defined(lint)
     39  1.7  uebayasi 	RCSID("$NetBSD: pipe.S,v 1.7 2014/05/23 02:34:19 uebayasi Exp $")
     40  1.1       cgd #endif /* SYSLIBC_SCCS and not lint */
     41  1.1       cgd 
     42  1.1       cgd #include "SYS.h"
     43  1.1       cgd 
     44  1.5    kleink #ifdef WEAK_ALIAS
     45  1.5    kleink WEAK_ALIAS(pipe, _pipe)
     46  1.5    kleink #endif
     47  1.5    kleink 
     48  1.5    kleink _SYSCALL(_pipe,pipe)
     49  1.1       cgd 	movl	4(%esp),%ecx
     50  1.1       cgd 	movl	%eax,(%ecx)
     51  1.1       cgd 	movl	%edx,4(%ecx)
     52  1.3       jtc 	xorl	%eax,%eax
     53  1.1       cgd 	ret
     54  1.7  uebayasi END(_pipe)
     55