1/*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21
22/*
23 * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
24 * Use is subject to license terms.
25 */
26
27#pragma ident	"%Z%%M%	%I%	%E% SMI"
28
29#include <sys/asm_linkage.h>
30
31	DGDEF(__fsr_init_value)
32	.word 0
33
34	ENTRY(waiting)
35	retl
36	ldub	[%o0], %o0
37	SET_SIZE(waiting)
38
39	ENTRY(main)
40	save	%sp, -SA(MINFRAME + 4), %sp
41	stb	%g0, [%fp - 4]
421:
43	call	waiting
44	sub	%fp, 4, %o0
45	tst	%o0
46	bz	1b
47	nop
48
49	restore
50
51	tst	%g0
52	be	other
53	nop
54
55	ALTENTRY(bad)
56	illtrap
57	SET_SIZE(bad)
58	SET_SIZE(main)
59
60	ENTRY(other)
61	retl
62	clr	%o0
63	SET_SIZE(other)
64