xref: /netbsd-src/lib/libc/arch/or1k/sys/pipe.S (revision 27620987b8618edefe3919667fcfb2a0eb02578b)
1*27620987Smatt/*	$NetBSD: pipe.S,v 1.1 2014/09/03 19:34:26 matt Exp $	*/
2*27620987Smatt
3*27620987Smatt#include "SYS.h"
4*27620987Smatt
5*27620987Smatt#if defined(LIBC_SCCS) && !defined(lint)
6*27620987Smatt__RCSID("$NetBSD: pipe.S,v 1.1 2014/09/03 19:34:26 matt Exp $")
7*27620987Smatt#endif /* LIBC_SCCS && !lint */
8*27620987Smatt
9*27620987Smatt#ifdef WEAK_ALIAS
10*27620987SmattWEAK_ALIAS(pipe, _pipe)
11*27620987Smatt#endif
12*27620987Smatt
13*27620987SmattENTRY(_pipe)
14*27620987Smatt	l.or	r5,r3,r0	# save pointer
15*27620987Smatt	_DOSYSCALL(pipe)	# assume, that r5 is kept
16*27620987Smatt	l.bf	_C_LABEL(__cerror)
17*27620987Smatt	l.nop
18*27620987Smatt	l.sw	0(r5),r11	# success, store fds
19*27620987Smatt	l.sw	4(r5),r12
20*27620987Smatt	l.xor	r11,r11,r11
21*27620987Smatt	l.jr	lr		# and return 0
22*27620987Smatt	l.nop
23*27620987SmattEND(_pipe)
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