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/*
* linux/include/asm-x86_64/timex.h
*
* x86-64 architecture timex specifications
*/
#ifndef _ASMx8664_TIMEX_H
#define _ASMx8664_TIMEX_H
#include <linux/config.h>
#include <asm/8253pit.h>
#include <asm/msr.h>
#include <asm/vsyscall.h>
#include <asm/hpet.h>
#define CLOCK_TICK_RATE PIT_TICK_RATE /* Underlying HZ */
typedef unsigned long long cycles_t;
static inline cycles_t get_cycles (void)
{
unsigned long long ret;
rdtscll(ret);
return ret;
}
extern unsigned int cpu_khz;
extern int read_current_timer(unsigned long *timer_value);
#define ARCH_HAS_READ_CURRENT_TIMER 1
extern struct vxtime_data vxtime;
#endif
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