10Sstevel@tonic-gate /* 20Sstevel@tonic-gate * CDDL HEADER START 30Sstevel@tonic-gate * 40Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*5084Sjohnlev * Common Development and Distribution License (the "License"). 6*5084Sjohnlev * You may not use this file except in compliance with the License. 70Sstevel@tonic-gate * 80Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 90Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 100Sstevel@tonic-gate * See the License for the specific language governing permissions 110Sstevel@tonic-gate * and limitations under the License. 120Sstevel@tonic-gate * 130Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 140Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 150Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 160Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 170Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 180Sstevel@tonic-gate * 190Sstevel@tonic-gate * CDDL HEADER END 200Sstevel@tonic-gate */ 210Sstevel@tonic-gate /* 22*5084Sjohnlev * Copyright 2007 Sun Microsystems, Inc. All rights reserved. 230Sstevel@tonic-gate * Use is subject to license terms. 240Sstevel@tonic-gate */ 250Sstevel@tonic-gate 260Sstevel@tonic-gate #ifndef _ASM_CLOCK_H 270Sstevel@tonic-gate #define _ASM_CLOCK_H 280Sstevel@tonic-gate 290Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 300Sstevel@tonic-gate 310Sstevel@tonic-gate #include <sys/types.h> 320Sstevel@tonic-gate #include <sys/time.h> 330Sstevel@tonic-gate 340Sstevel@tonic-gate #ifdef __cplusplus 350Sstevel@tonic-gate extern "C" { 360Sstevel@tonic-gate #endif 370Sstevel@tonic-gate 380Sstevel@tonic-gate #if !defined(__lint) && defined(__GNUC__) 390Sstevel@tonic-gate 400Sstevel@tonic-gate #include <sys/machlock.h> 410Sstevel@tonic-gate unlock_hres_lock(void)420Sstevel@tonic-gateextern __inline__ void unlock_hres_lock(void) 430Sstevel@tonic-gate { 440Sstevel@tonic-gate __asm__ __volatile__( 450Sstevel@tonic-gate "lock; incl %0" 460Sstevel@tonic-gate : /* no output */ 470Sstevel@tonic-gate : "m" (hres_lock) 480Sstevel@tonic-gate : "cc"); 490Sstevel@tonic-gate } 500Sstevel@tonic-gate 51*5084Sjohnlev #if defined(__xpv) 52*5084Sjohnlev __rdtsc_insn(void)53*5084Sjohnlevextern __inline__ hrtime_t __rdtsc_insn(void) 540Sstevel@tonic-gate { 550Sstevel@tonic-gate #if defined(__amd64) 560Sstevel@tonic-gate uint32_t lobits, hibits; 570Sstevel@tonic-gate 580Sstevel@tonic-gate __asm__ __volatile__( 590Sstevel@tonic-gate "rdtsc" 600Sstevel@tonic-gate : "=a" (lobits), "=d" (hibits)); 610Sstevel@tonic-gate return (lobits | ((hrtime_t)hibits << 32)); 620Sstevel@tonic-gate #elif defined(__i386) 630Sstevel@tonic-gate hrtime_t __value; 640Sstevel@tonic-gate 650Sstevel@tonic-gate __asm__ __volatile__( 660Sstevel@tonic-gate "rdtsc" 670Sstevel@tonic-gate : "=A" (__value)); 680Sstevel@tonic-gate return (__value); 690Sstevel@tonic-gate #else 700Sstevel@tonic-gate #error "port me" 710Sstevel@tonic-gate #endif 720Sstevel@tonic-gate } 730Sstevel@tonic-gate 74*5084Sjohnlev #endif /* __xpv */ 75*5084Sjohnlev 760Sstevel@tonic-gate #endif /* !__lint && __GNUC__ */ 770Sstevel@tonic-gate 780Sstevel@tonic-gate #ifdef __cplusplus 790Sstevel@tonic-gate } 800Sstevel@tonic-gate #endif 810Sstevel@tonic-gate 820Sstevel@tonic-gate #endif /* _ASM_CLOCK_H */ 83