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