blob: 9cefff34ecb85a459633b5723a6c513a1d1440c9 (
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
37
38
39
40
41
42
43
44
45
46
47
48
49
50
|
/*
* @file cpucounterread.c
*
* @author Miguel Masmano <mmasmano@fentiss.com>
*
* @copyright
* Copyright 2016 Fent Innovative Software Solutions (FENTISS).
* All rights reserved.
*
* Copyright 2017 embedded brains GmbH.
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.org/license/LICENSE.
*/
#include <rtems/counter.h>
#include <rtems/sysinit.h>
#include <libcpu/arm-cp15.h>
#include <bsp.h>
#include <xm.h>
CPU_Counter_ticks _CPU_Counter_read(void)
{
#ifdef XM_TMS570_USE_PMU_FOR_CPU_COUNTER
return arm_cp15_get_performance_monitors_cycle_count();
#else
xmTime_t cTime;
XM_get_time(XM_HW_CLOCK, &cTime);
return (CPU_Counter_ticks)cTime;
#endif
}
static void xm_tms570_cpu_counter_initialize(void)
{
#ifdef XM_TMS570_USE_PMU_FOR_CPU_COUNTER
rtems_counter_initialize_converter(XM_TMS570_GCLK);
#else
rtems_counter_initialize_converter(1000000);
#endif
}
RTEMS_SYSINIT_ITEM(
xm_tms570_cpu_counter_initialize,
RTEMS_SYSINIT_BSP_START,
RTEMS_SYSINIT_ORDER_FIRST
);
|
