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/arch/mn10300/include/asm/timex.h

http://github.com/mirrors/linux
C++ Header | 34 lines | 15 code | 9 blank | 10 comment | 0 complexity | 9143e96f1d8fc0a8bbb65bd422fb1c4c MD5 | raw file
 1/* MN10300 Architecture time management specifications
 2 *
 3 * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.
 4 * Written by David Howells (dhowells@redhat.com)
 5 *
 6 * This program is free software; you can redistribute it and/or
 7 * modify it under the terms of the GNU General Public Licence
 8 * as published by the Free Software Foundation; either version
 9 * 2 of the Licence, or (at your option) any later version.
10 */
11#ifndef _ASM_TIMEX_H
12#define _ASM_TIMEX_H
13
14#include <unit/timex.h>
15
16#define TICK_SIZE (tick_nsec / 1000)
17
18#define CLOCK_TICK_RATE MN10300_JCCLK /* Underlying HZ */
19
20#ifdef __KERNEL__
21
22extern cycles_t cacheflush_time;
23
24static inline cycles_t get_cycles(void)
25{
26	return read_timestamp_counter();
27}
28
29extern int init_clockevents(void);
30extern int init_clocksource(void);
31
32#endif /* __KERNEL__ */
33
34#endif /* _ASM_TIMEX_H */