2 * linux/include/asm-x86_64/timex.h
4 * x86-64 architecture timex specifications
6 #ifndef _ASMx8664_TIMEX_H
7 #define _ASMx8664_TIMEX_H
9 #include <asm/8253pit.h>
11 #include <asm/vsyscall.h>
13 #include <asm/system.h>
14 #include <asm/processor.h>
16 #include <linux/compiler.h>
18 #define CLOCK_TICK_RATE PIT_TICK_RATE /* Underlying HZ */
20 extern int read_current_timer(unsigned long *timer_value);
21 #define ARCH_HAS_READ_CURRENT_TIMER 1
23 extern struct vxtime_data vxtime;