xref: /illumos-gate/usr/src/lib/libc/sparc/sys/__clock_gettime.S (revision 9b9d39d2a32ff806d2431dbcc50968ef1e6d46b2)
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 * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
23 * Use is subject to license terms.
24 */
25
26	.file	"__clock_gettime.s"
27
28#include <sys/time_impl.h>
29#include "SYS.h"
30
31/*
32 * int
33 * __clock_gettime(clockid_t clock_id, timespec_t *tp)
34 */
35
36	ENTRY(__clock_gettime)
37	cmp	%o0, __CLOCK_REALTIME0		! if (clock_id)
38	beq	2f				! equal to __CLOCK_REALTIME0
39	cmp	%o0, CLOCK_REALTIME		! or
40	bne	1f				! equal to CLOCK_REALTIME
41	.empty					! optimize for CLOCK_REALTIME
422:
43	mov	%o1, %o5
44	SYSFASTTRAP(GETHRESTIME)
45	stn	%o0, [%o5]
46	stn	%o1, [%o5 + CLONGSIZE]
47	RETC
481:
49	SYSTRAP_RVAL1(clock_gettime)
50	SYSCERROR
51	RETC
52	SET_SIZE(__clock_gettime)
53