diff options
Diffstat (limited to 'lib/libc/sparc64/sys/pipe.S')
-rw-r--r-- | lib/libc/sparc64/sys/pipe.S | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/lib/libc/sparc64/sys/pipe.S b/lib/libc/sparc64/sys/pipe.S new file mode 100644 index 0000000..8940544 --- /dev/null +++ b/lib/libc/sparc64/sys/pipe.S @@ -0,0 +1,57 @@ +/* + * Copyright (c) 1992, 1993 + * The Regents of the University of California. All rights reserved. + * + * This software was developed by the Computer Systems Engineering group + * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and + * contributed to Berkeley. + * + * 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. + * 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. + * + * from: Header: pipe.s,v 1.1 91/07/06 13:05:58 torek Exp + */ + +#if defined(SYSLIBC_SCCS) && !defined(lint) + .asciz "@(#)pipe.s 8.1 (Berkeley) 6/4/93" +#if 0 + RCSID("$NetBSD: pipe.S,v 1.3 2000/09/28 08:38:55 kleink Exp $") +#endif +#endif /* SYSLIBC_SCCS and not lint */ +#include <machine/asm.h> +__FBSDID("$FreeBSD$"); + +#include "SYS.h" + +_SYSENTRY(pipe) + mov %o0, %o2 + mov SYS_pipe, %g1 + ta %xcc, ST_SYSCALL + bcc,a,pt %xcc, 1f + stw %o0, [%o2] + ERROR() +1: stw %o1, [%o2 + 4] + retl + clr %o0 +_SYSEND(pipe) |