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| author | phk <phk@FreeBSD.org> | 1997-12-28 17:33:10 +0000 |
|---|---|---|
| committer | phk <phk@FreeBSD.org> | 1997-12-28 17:33:10 +0000 |
| commit | 87f11cf19320871fea90474134dca49de7749362 (patch) | |
| tree | 6567ea6c3ae751ee6e0cae4b8ffab4e5187cb408 /sys/i386/include/clock.h | |
| parent | ca105236ff16f62ac2fdcdd9591281b1a4d2995f (diff) | |
| download | FreeBSD-src-87f11cf19320871fea90474134dca49de7749362.zip FreeBSD-src-87f11cf19320871fea90474134dca49de7749362.tar.gz | |
More cleanup relating to our use of the TSC.
Look in the cpu_feature (CPUID output) to see if we have it.
Diffstat (limited to 'sys/i386/include/clock.h')
| -rw-r--r-- | sys/i386/include/clock.h | 14 |
1 files changed, 1 insertions, 13 deletions
diff --git a/sys/i386/include/clock.h b/sys/i386/include/clock.h index 505ea48..a8f2d5a 100644 --- a/sys/i386/include/clock.h +++ b/sys/i386/include/clock.h @@ -3,17 +3,13 @@ * Garrett Wollman, September 1994. * This file is in the public domain. * - * $Id: clock.h,v 1.28 1997/12/26 20:42:01 phk Exp $ + * $Id: clock.h,v 1.29 1997/12/28 13:36:06 phk Exp $ */ #ifndef _MACHINE_CLOCK_H_ #define _MACHINE_CLOCK_H_ -#if (defined(I586_CPU) || defined(I686_CPU)) && !defined(SMP) #define CPU_CLOCKUPDATE(otime, ntime) cpu_clockupdate((otime), (ntime)) -#else -#define CPU_CLOCKUPDATE(otime, ntime) (*(otime) = *(ntime)) -#endif #define CPU_THISTICKLEN(dflt) dflt @@ -33,16 +29,10 @@ extern u_int timer_freq; extern int timer0_max_count; extern u_int timer0_overflow_threshold; extern u_int timer0_prescaler_count; -#if defined(I586_CPU) || defined(I686_CPU) -#ifndef SMP extern u_int tsc_bias; extern u_int tsc_comultiplier; -#endif extern u_int tsc_freq; -#ifndef SMP extern u_int tsc_multiplier; -#endif -#endif extern int wall_cmos_clock; /* @@ -85,7 +75,6 @@ clock_latency(void) - ((high << 8) | low)); } -#if (defined(I586_CPU) || defined(I686_CPU)) && !defined(SMP) /* * When we update `time', on we also update `tsc_bias' * atomically. `tsc_bias' is the best available approximation to @@ -117,7 +106,6 @@ cpu_clockupdate(volatile struct timeval *otime, struct timeval *ntime) } else *otime = *ntime; } -#endif /* I586_CPU || I686_CPU */ #endif /* CLOCK_HAIR */ |
