1/* 2 * linux/include/asm-sparc64/timex.h 3 * 4 * sparc64 architecture timex specifications 5 */ 6#ifndef _ASMsparc64_TIMEX_H 7#define _ASMsparc64_TIMEX_H 8 9#define CLOCK_TICK_RATE 1193180 /* Underlying HZ */ 10#define CLOCK_TICK_FACTOR 20 /* Factor of both 1000000 and CLOCK_TICK_RATE */ 11#define FINETUNE ((((((long)LATCH * HZ - CLOCK_TICK_RATE) << SHIFT_HZ) * \ 12 (1000000/CLOCK_TICK_FACTOR) / (CLOCK_TICK_RATE/CLOCK_TICK_FACTOR)) \ 13 << (SHIFT_SCALE-SHIFT_HZ)) / HZ) 14 15/* Getting on the cycle counter on sparc64. */ 16typedef unsigned long cycles_t; 17#define get_cycles() \ 18({ cycles_t ret; \ 19 __asm__ __volatile__("rd %%tick, %0" : "=r" (ret)); \ 20 ret; \ 21}) 22 23#define vxtime_lock() do {} while (0) 24#define vxtime_unlock() do {} while (0) 25 26#endif 27