xref: /minix3/lib/libc/arch/or1k/sys/pipe.S (revision 0a6a1f1d05b60e214de2f05a7310ddd1f0e590e7)
1*0a6a1f1dSLionel Sambuc/*	$NetBSD: pipe.S,v 1.1 2014/09/03 19:34:26 matt Exp $	*/
2*0a6a1f1dSLionel Sambuc
3*0a6a1f1dSLionel Sambuc#include "SYS.h"
4*0a6a1f1dSLionel Sambuc
5*0a6a1f1dSLionel Sambuc#if defined(LIBC_SCCS) && !defined(lint)
6*0a6a1f1dSLionel Sambuc__RCSID("$NetBSD: pipe.S,v 1.1 2014/09/03 19:34:26 matt Exp $")
7*0a6a1f1dSLionel Sambuc#endif /* LIBC_SCCS && !lint */
8*0a6a1f1dSLionel Sambuc
9*0a6a1f1dSLionel Sambuc#ifdef WEAK_ALIAS
10*0a6a1f1dSLionel SambucWEAK_ALIAS(pipe, _pipe)
11*0a6a1f1dSLionel Sambuc#endif
12*0a6a1f1dSLionel Sambuc
13*0a6a1f1dSLionel SambucENTRY(_pipe)
14*0a6a1f1dSLionel Sambuc	l.or	r5,r3,r0	# save pointer
15*0a6a1f1dSLionel Sambuc	_DOSYSCALL(pipe)	# assume, that r5 is kept
16*0a6a1f1dSLionel Sambuc	l.bf	_C_LABEL(__cerror)
17*0a6a1f1dSLionel Sambuc	l.nop
18*0a6a1f1dSLionel Sambuc	l.sw	0(r5),r11	# success, store fds
19*0a6a1f1dSLionel Sambuc	l.sw	4(r5),r12
20*0a6a1f1dSLionel Sambuc	l.xor	r11,r11,r11
21*0a6a1f1dSLionel Sambuc	l.jr	lr		# and return 0
22*0a6a1f1dSLionel Sambuc	l.nop
23*0a6a1f1dSLionel SambucEND(_pipe)
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