kernel-ark/include/asm-x86/timex_64.h
Thomas Gleixner 96a388de5d i386/x86_64: move headers to include/asm-x86
Move the headers to include/asm-x86 and fixup the
header install make rules

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2007-10-11 11:20:03 +02:00

32 lines
814 B
C

/*
* linux/include/asm-x86_64/timex.h
*
* x86-64 architecture timex specifications
*/
#ifndef _ASMx8664_TIMEX_H
#define _ASMx8664_TIMEX_H
#include <asm/8253pit.h>
#include <asm/msr.h>
#include <asm/vsyscall.h>
#include <asm/system.h>
#include <asm/processor.h>
#include <asm/tsc.h>
#include <linux/compiler.h>
#define CLOCK_TICK_RATE PIT_TICK_RATE /* Underlying HZ */
extern int read_current_timer(unsigned long *timer_value);
#define ARCH_HAS_READ_CURRENT_TIMER 1
#define USEC_PER_TICK (USEC_PER_SEC / HZ)
#define NSEC_PER_TICK (NSEC_PER_SEC / HZ)
#define FSEC_PER_TICK (FSEC_PER_SEC / HZ)
#define NS_SCALE 10 /* 2^10, carefully chosen */
#define US_SCALE 32 /* 2^32, arbitralrily chosen */
extern void mark_tsc_unstable(char *msg);
extern void set_cyc2ns_scale(unsigned long khz);
#endif