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File: [Development] / linux-2.6-xfs / include / asm-x86_64 / Attic / timex.h (download)

Revision 1.7, Fri Oct 28 16:02:11 2005 UTC (11 years, 11 months ago) by nathans.longdrop.melbourne.sgi.com
Branch: MAIN
Changes since 1.6: +0 -1 lines 

Merge up to 2.6.14
Merge of 2.6.x-xfs-melb:linux:24258a by kenmcd.

/*
 * 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/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