timex.h
上传用户:jlfgdled
上传日期:2013-04-10
资源大小:33168k
文件大小:1k
- /*
- * linux/include/asm-sparc64/timex.h
- *
- * sparc64 architecture timex specifications
- */
- #ifndef _ASMsparc64_TIMEX_H
- #define _ASMsparc64_TIMEX_H
- #define CLOCK_TICK_RATE 1193180 /* Underlying HZ */
- #define CLOCK_TICK_FACTOR 20 /* Factor of both 1000000 and CLOCK_TICK_RATE */
- #define FINETUNE ((((((long)LATCH * HZ - CLOCK_TICK_RATE) << SHIFT_HZ) *
- (1000000/CLOCK_TICK_FACTOR) / (CLOCK_TICK_RATE/CLOCK_TICK_FACTOR))
- << (SHIFT_SCALE-SHIFT_HZ)) / HZ)
- /* Getting on the cycle counter on sparc64. */
- typedef unsigned long cycles_t;
- #define get_cycles()
- ({ cycles_t ret;
- __asm__ __volatile__("rd %%tick, %0" : "=r" (ret));
- ret;
- })
- #define vxtime_lock() do {} while (0)
- #define vxtime_unlock() do {} while (0)
- #endif