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      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	"gethrtime.s"
     27 
     28 #include "SYS.h"
     29 
     30 /*
     31  * hrtime_t gethrtime(void)
     32  *
     33  * Returns the current hi-res real time.
     34  */
     35 
     36 	ENTRY(gethrtime)
     37 	SYSFASTTRAP(GETHRTIME)
     38 #if defined(__sparcv9)
     39 	/*
     40 	 * Note that the fast trap actually assumes V8 parameter passing
     41 	 * conventions, so we have to reassemble a 64-bit value here.
     42 	 */
     43 	sllx	%o0, 32, %o0
     44 	or	%o1, %o0, %o0
     45 #endif
     46 	RET
     47 	SET_SIZE(gethrtime)
     48 
     49 /*
     50  * hrtime_t gethrvtime(void)
     51  *
     52  * Returns the current hi-res LWP virtual time.
     53  */
     54 
     55 	ENTRY(gethrvtime)
     56 	SYSFASTTRAP(GETHRVTIME)
     57 #if defined(__sparcv9)
     58 	/*
     59 	 * Note that the fast trap actually assumes V8 parameter passing
     60 	 * conventions, so we have to reassemble a 64-bit value here.
     61 	 */
     62 	sllx	%o0, 32, %o0
     63 	or	%o1, %o0, %o0
     64 #endif
     65 	RET
     66 	SET_SIZE(gethrvtime)
     67