tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1/*
2 * linux/include/asm-x86_64/timex.h
3 *
4 * x86-64 architecture timex specifications
5 */
6#ifndef _ASMx8664_TIMEX_H
7#define _ASMx8664_TIMEX_H
8
9#include <linux/config.h>
10#include <asm/8253pit.h>
11#include <asm/msr.h>
12#include <asm/vsyscall.h>
13#include <asm/hpet.h>
14
15#define CLOCK_TICK_RATE PIT_TICK_RATE /* Underlying HZ */
16
17typedef unsigned long long cycles_t;
18
19static inline cycles_t get_cycles (void)
20{
21 unsigned long long ret;
22
23 rdtscll(ret);
24 return ret;
25}
26
27extern unsigned int cpu_khz;
28
29extern int read_current_timer(unsigned long *timer_value);
30#define ARCH_HAS_READ_CURRENT_TIMER 1
31
32extern struct vxtime_data vxtime;
33
34#endif