blob: b8d586e4f060c541d28a9a8880459bde1a452ab3 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
|
/*
* 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;
extern cycles_t cacheflush_time;
#define get_cycles() \
({ cycles_t ret; \
__asm__("rd %%tick, %0" : "=r" (ret)); \
ret; \
})
#endif
|
