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, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* 23 * Copyright 2005 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #ifndef _SYS_MACHCLOCK_H 28 #define _SYS_MACHCLOCK_H 29 30 #pragma ident "%Z%%M% %I% %E% SMI" 31 32 #ifdef __cplusplus 33 extern "C" { 34 #endif 35 36 /* 37 * Sun4v processors come up with NPT cleared and there is no need to 38 * clear it again. Also, clearing of the NPT cannot be done atomically 39 * on a CMT processor. 40 */ 41 #define CLEARTICKNPT 42 43 #if defined(CPU_MODULE) 44 45 /* 46 * Constants used to convert hi-res timestamps into nanoseconds 47 * (see <sys/clock.h> file for more information) 48 */ 49 50 /* 51 * At least 62.5 MHz, for faster %tick-based systems. 52 */ 53 #define NSEC_SHIFT 4 54 #define VTRACE_SHIFT 4 55 56 #endif /* CPU_MODULE */ 57 58 #ifdef __cplusplus 59 } 60 #endif 61 62 #endif /* !_SYS_MACHCLOCK_H */ 63