source: rtems/cpukit/rtems/src/clockgetuptimenanoseconds.c @ e266d13

5
Last change on this file since e266d13 was 7cd2484, checked in by Alexander Krutwig <alexander.krutwig@…>, on 05/12/15 at 12:32:47

timecounter: Use in RTEMS

Replace timestamp implementation with FreeBSD bintime and timecounters.

New test sptests/sptimecounter02.

Update #2271.
  • Property mode set to 100644
File size: 677 bytes
Line 
1/**
2 * @file
3 *
4 * @brief Returns the system uptime in seconds.
5 * @ingroup ClassicClock Clocks
6 */
7
8/*
9 * Copyright (c) 2013 Chris Johns <chrisj@rtems.org>.  All rights reserved.
10 *
11 * The license and distribution terms for this file may be
12 * found in the file LICENSE in this distribution or at
13 * http://www.rtems.org/license/LICENSE.
14 */
15
16#if HAVE_CONFIG_H
17  #include "config.h"
18#endif
19
20#include <rtems/rtems/clock.h>
21#include <rtems/score/todimpl.h>
22
23uint64_t rtems_clock_get_uptime_nanoseconds( void )
24{
25  Timestamp_Control  snapshot_as_timestamp;
26
27  _TOD_Get_zero_based_uptime(&snapshot_as_timestamp);
28
29  return _Timestamp_Get_as_nanoseconds(&snapshot_as_timestamp);
30}
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