1178580Simp/* $NetBSD: pipe.S,v 1.11 2005/04/22 06:58:01 simonb Exp $ */ 2178580Simp 3178580Simp/*- 4178580Simp * Copyright (c) 1991, 1993 5178580Simp * The Regents of the University of California. All rights reserved. 6178580Simp * 7178580Simp * This code is derived from software contributed to Berkeley by 8178580Simp * Ralph Campbell. 9178580Simp * 10178580Simp * Redistribution and use in source and binary forms, with or without 11178580Simp * modification, are permitted provided that the following conditions 12178580Simp * are met: 13178580Simp * 1. Redistributions of source code must retain the above copyright 14178580Simp * notice, this list of conditions and the following disclaimer. 15178580Simp * 2. Redistributions in binary form must reproduce the above copyright 16178580Simp * notice, this list of conditions and the following disclaimer in the 17178580Simp * documentation and/or other materials provided with the distribution. 18178580Simp * 3. Neither the name of the University nor the names of its contributors 19178580Simp * may be used to endorse or promote products derived from this software 20178580Simp * without specific prior written permission. 21178580Simp * 22178580Simp * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 23178580Simp * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24178580Simp * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25178580Simp * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 26178580Simp * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27178580Simp * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28178580Simp * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29178580Simp * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30178580Simp * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31178580Simp * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32178580Simp * SUCH DAMAGE. 33178580Simp */ 34178580Simp 35178580Simp#include <machine/asm.h> 36178580Simp__FBSDID("$FreeBSD: releng/10.3/lib/libc/mips/sys/pipe.S 209231 2010-06-16 12:55:14Z jchandra $"); 37178580Simp#include "SYS.h" 38178580Simp 39178580Simp#if defined(LIBC_SCCS) && !defined(lint) 40178580Simp ASMSTR("from: @(#)pipe.s 8.1 (Berkeley) 6/4/93") 41178580Simp ASMSTR("$NetBSD: pipe.S,v 1.11 2005/04/22 06:58:01 simonb Exp $") 42178580Simp#endif /* LIBC_SCCS and not lint */ 43178580Simp 44178580SimpLEAF(__sys_pipe) 45178580Simp WEAK_ALIAS(pipe, __sys_pipe) 46178580Simp WEAK_ALIAS(_pipe, __sys_pipe) 47209231Sjchandra PIC_PROLOGUE(__sys_pipe) 48178580Simp li v0, SYS_pipe # pipe(fildes) int fildes[2]; 49178580Simp syscall 50178580Simp bne a3, zero, 1f 51178580Simp sw v0, 0(a0) # store the two file descriptors 52178580Simp sw v1, 4(a0) 53178580Simp move v0, zero 54209231Sjchandra PIC_RETURN() 55178580Simp1: 56209231Sjchandra PIC_TAILCALL(__cerror) 57178580SimpEND(__sys_pipe) 58