blob: d316d76ef242f7b07b32f7cadee6524a0a8860d6 (
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
25
26
27
28
29
30
31
32
33
34
35
36
|
/*
* arch/arm/include/asm/mach/time.h
*
* Copyright (C) 2004 MontaVista Software, Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#ifndef __ASM_ARM_MACH_TIME_H
#define __ASM_ARM_MACH_TIME_H
/*
* This is our kernel timer structure.
*
* - init
* Initialise the kernels jiffy timer source, claim interrupt
* using setup_irq. This is called early on during initialisation
* while interrupts are still disabled on the local CPU.
* - offset
* Return the timer offset in microseconds since the last timer
* interrupt. Note: this must take account of any unprocessed
* timer interrupt which may be pending.
*/
struct sys_timer {
void (*init)(void);
};
extern void timer_tick(void);
struct timespec;
typedef void (*clock_access_fn)(struct timespec *);
extern int register_persistent_clock(clock_access_fn read_boot,
clock_access_fn read_persistent);
#endif
|