1/*
 2 * linux/include/asm-alpha/timex.h
 3 *
 4 * ALPHA architecture timex specifications
 5 */
 6#ifndef _ASMALPHA_TIMEX_H
 7#define _ASMALPHA_TIMEX_H
 8
 9/* With only one or two oddballs, we use the RTC as the ticker, selecting
10   the 32.768kHz reference clock, which nicely divides down to our HZ.  */
11#define CLOCK_TICK_RATE	32768
12
13/*
14 * Standard way to access the cycle counter.
15 * Currently only used on SMP for scheduling.
16 *
17 * Only the low 32 bits are available as a continuously counting entity. 
18 * But this only means we'll force a reschedule every 8 seconds or so,
19 * which isn't an evil thing.
20 */
21
22typedef unsigned int cycles_t;
23
24static inline cycles_t get_cycles (void)
25{
26	cycles_t ret;
27	__asm__ __volatile__ ("rpcc %0" : "=r"(ret));
28	return ret;
29}
 
30
31#endif

 1/* SPDX-License-Identifier: GPL-2.0 */
 2/*
 3 * linux/include/asm-alpha/timex.h
 4 *
 5 * ALPHA architecture timex specifications
 6 */
 7#ifndef _ASMALPHA_TIMEX_H
 8#define _ASMALPHA_TIMEX_H
 9
10/* With only one or two oddballs, we use the RTC as the ticker, selecting
11   the 32.768kHz reference clock, which nicely divides down to our HZ.  */
12#define CLOCK_TICK_RATE	32768
13
14/*
15 * Standard way to access the cycle counter.
16 * Currently only used on SMP for scheduling.
17 *
18 * Only the low 32 bits are available as a continuously counting entity. 
19 * But this only means we'll force a reschedule every 8 seconds or so,
20 * which isn't an evil thing.
21 */
22
23typedef unsigned int cycles_t;
24
25static inline cycles_t get_cycles (void)
26{
27	cycles_t ret;
28	__asm__ __volatile__ ("rpcc %0" : "=r"(ret));
29	return ret;
30}
31#define get_cycles get_cycles
32
33#endif