blob: e0047070b56e0e9aee44064dab11ef3daef3e41c (
plain) (
blame)
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
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
|
/*
* Time of Day (TOD) Handler - get uptime
*/
/* COPYRIGHT (c) 1989-2007.
* On-Line Applications Research Corporation (OAR).
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.com/license/LICENSE.
*
* $Id$
*/
#if HAVE_CONFIG_H
#include "config.h"
#endif
#include <rtems/system.h>
#include <rtems/score/isr.h>
#include <rtems/score/timespec.h>
#include <rtems/score/tod.h>
/*
* _TOD_Get_uptime
*
* This routine is used to obtain the system uptime
*
* Input parameters:
* time - pointer to the time and date structure
*
* Output parameters: NONE
*/
void _TOD_Get_uptime(
struct timespec *uptime
)
{
ISR_Level level;
struct timespec offset;
/* assume uptime checked by caller */
offset.tv_sec = 0;
offset.tv_nsec = 0;
_ISR_Disable( level );
*uptime = _TOD_Uptime;
if ( _Watchdog_Nanoseconds_since_tick_handler )
offset.tv_nsec = (*_Watchdog_Nanoseconds_since_tick_handler)();
_ISR_Enable( level );
_Timespec_Add_to( uptime, &offset );
}
|