xref: /titanic_41/usr/src/lib/libc/common/sys/gethrtime.s (revision 9a70fc3be3b1e966bf78825cdb8d509963a6f0a1)
17c478bd9Sstevel@tonic-gate/*
27c478bd9Sstevel@tonic-gate * CDDL HEADER START
37c478bd9Sstevel@tonic-gate *
47c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the
5*9a70fc3bSMark J. Nelson * Common Development and Distribution License (the "License").
6*9a70fc3bSMark J. Nelson * You may not use this file except in compliance with the License.
77c478bd9Sstevel@tonic-gate *
87c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
97c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing.
107c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions
117c478bd9Sstevel@tonic-gate * and limitations under the License.
127c478bd9Sstevel@tonic-gate *
137c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each
147c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
157c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the
167c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying
177c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner]
187c478bd9Sstevel@tonic-gate *
197c478bd9Sstevel@tonic-gate * CDDL HEADER END
207c478bd9Sstevel@tonic-gate */
217c478bd9Sstevel@tonic-gate/*
227c478bd9Sstevel@tonic-gate * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
237c478bd9Sstevel@tonic-gate * Use is subject to license terms.
247c478bd9Sstevel@tonic-gate */
257c478bd9Sstevel@tonic-gate
26*9a70fc3bSMark J. Nelson	.file	"gethrtime.s"
277c478bd9Sstevel@tonic-gate
287c478bd9Sstevel@tonic-gate#include "SYS.h"
297c478bd9Sstevel@tonic-gate
307c478bd9Sstevel@tonic-gate/*
317c478bd9Sstevel@tonic-gate * hrtime_t gethrtime(void)
327c478bd9Sstevel@tonic-gate *
337c478bd9Sstevel@tonic-gate * Returns the current hi-res real time.
347c478bd9Sstevel@tonic-gate */
357c478bd9Sstevel@tonic-gate
367c478bd9Sstevel@tonic-gate	ENTRY(gethrtime)
377c478bd9Sstevel@tonic-gate	SYSFASTTRAP(GETHRTIME)
387c478bd9Sstevel@tonic-gate#if defined(__sparcv9)
397c478bd9Sstevel@tonic-gate	/*
407c478bd9Sstevel@tonic-gate	 * Note that the fast trap actually assumes V8 parameter passing
417c478bd9Sstevel@tonic-gate	 * conventions, so we have to reassemble a 64-bit value here.
427c478bd9Sstevel@tonic-gate	 */
437c478bd9Sstevel@tonic-gate	sllx	%o0, 32, %o0
447c478bd9Sstevel@tonic-gate	or	%o1, %o0, %o0
457c478bd9Sstevel@tonic-gate#endif
467c478bd9Sstevel@tonic-gate	RET
477c478bd9Sstevel@tonic-gate	SET_SIZE(gethrtime)
487c478bd9Sstevel@tonic-gate
497c478bd9Sstevel@tonic-gate/*
507c478bd9Sstevel@tonic-gate * hrtime_t gethrvtime(void)
517c478bd9Sstevel@tonic-gate *
527c478bd9Sstevel@tonic-gate * Returns the current hi-res LWP virtual time.
537c478bd9Sstevel@tonic-gate */
547c478bd9Sstevel@tonic-gate
557c478bd9Sstevel@tonic-gate	ENTRY(gethrvtime)
567c478bd9Sstevel@tonic-gate	SYSFASTTRAP(GETHRVTIME)
577c478bd9Sstevel@tonic-gate#if defined(__sparcv9)
587c478bd9Sstevel@tonic-gate	/*
597c478bd9Sstevel@tonic-gate	 * Note that the fast trap actually assumes V8 parameter passing
607c478bd9Sstevel@tonic-gate	 * conventions, so we have to reassemble a 64-bit value here.
617c478bd9Sstevel@tonic-gate	 */
627c478bd9Sstevel@tonic-gate	sllx	%o0, 32, %o0
637c478bd9Sstevel@tonic-gate	or	%o1, %o0, %o0
647c478bd9Sstevel@tonic-gate#endif
657c478bd9Sstevel@tonic-gate	RET
667c478bd9Sstevel@tonic-gate	SET_SIZE(gethrvtime)
67