| /* |
| * 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 |
