| cpu.h (133084) | cpu.h (137784) |
|---|---|
| 1/*- 2 * Copyright (c) 1990 The Regents of the University of California. 3 * All rights reserved. 4 * 5 * This code is derived from software contributed to Berkeley by 6 * William Jolitz. 7 * 8 * Redistribution and use in source and binary forms, with or without --- 16 unchanged lines hidden (view full) --- 25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30 * SUCH DAMAGE. 31 * 32 * from: @(#)cpu.h 5.4 (Berkeley) 5/9/91 | 1/*- 2 * Copyright (c) 1990 The Regents of the University of California. 3 * All rights reserved. 4 * 5 * This code is derived from software contributed to Berkeley by 6 * William Jolitz. 7 * 8 * Redistribution and use in source and binary forms, with or without --- 16 unchanged lines hidden (view full) --- 25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30 * SUCH DAMAGE. 31 * 32 * from: @(#)cpu.h 5.4 (Berkeley) 5/9/91 |
| 33 * $FreeBSD: head/sys/i386/include/cpu.h 133084 2004-08-03 18:44:27Z mux $ | 33 * $FreeBSD: head/sys/i386/include/cpu.h 137784 2004-11-16 20:42:32Z jhb $ |
| 34 */ 35 36#ifndef _MACHINE_CPU_H_ 37#define _MACHINE_CPU_H_ 38 39/* 40 * Definitions unique to i386 cpu support. 41 */ --- 52 unchanged lines hidden (view full) --- 94 95/* 96 * Return contents of in-cpu fast counter as a sort of "bogo-time" 97 * for random-harvesting purposes. 98 */ 99static __inline u_int64_t 100get_cyclecount(void) 101{ | 34 */ 35 36#ifndef _MACHINE_CPU_H_ 37#define _MACHINE_CPU_H_ 38 39/* 40 * Definitions unique to i386 cpu support. 41 */ --- 52 unchanged lines hidden (view full) --- 94 95/* 96 * Return contents of in-cpu fast counter as a sort of "bogo-time" 97 * for random-harvesting purposes. 98 */ 99static __inline u_int64_t 100get_cyclecount(void) 101{ |
| 102#if defined(I386_CPU) || defined(I486_CPU) || defined(KLD_MODULE) | 102#if defined(I486_CPU) || defined(KLD_MODULE) |
| 103 struct bintime bt; 104 105 if (!tsc_present) { 106 binuptime(&bt); 107 return (bt.frac ^ bt.sec); 108 } 109#endif 110 return (rdtsc()); 111} 112 113#endif 114 115#endif /* !_MACHINE_CPU_H_ */ | 103 struct bintime bt; 104 105 if (!tsc_present) { 106 binuptime(&bt); 107 return (bt.frac ^ bt.sec); 108 } 109#endif 110 return (rdtsc()); 111} 112 113#endif 114 115#endif /* !_MACHINE_CPU_H_ */ |