source: rtems/testsuites/smptests/smpatomic01/tasks.c @ 39e51758

4.11
Last change on this file since 39e51758 was 39e51758, checked in by Sebastian Huber <sebastian.huber@…>, on Jun 14, 2013 at 12:00:38 PM

smp: Add and use _CPU_SMP_Get_current_processor()

Add and use _SMP_Get_current_processor() and
rtems_smp_get_current_processor().

Delete bsp_smp_interrupt_cpu().

Change type of current processor index from int to uint32_t to match
_SMP_Processor_count type.

  • Property mode set to 100644
File size: 2.2 KB
Line 
1/*
2 * Copyright (c) 2012 Deng Hengyi.
3 *
4 *  This test case is to test atomic load operation.
5 *
6 *  The license and distribution terms for this file may be
7 *  found in the file LICENSE in this distribution or at
8 *  http://www.rtems.com/license/LICENSE.
9 *
10 */
11
12#ifdef HAVE_CONFIG_H
13#include "config.h"
14#endif
15
16#include "system.h"
17
18#include <stdlib.h>
19#include <rtems/rtems/atomic.h>
20
21#define TEST_REPEAT 1000
22
23#define ATOMIC_LOAD_NO_BARRIER(NAME, TYPE, R_TYPE, cpuid, mem_bar)     \
24{                                                        \
25  Atomic_##TYPE t;                                       \
26  R_TYPE a;                                              \
27  R_TYPE b;                                              \
28  unsigned int i;                                        \
29  for (i = 0; i < TEST_REPEAT; i++){                     \
30    b = (R_TYPE)rand();                                  \
31    atomic_init(&t, b);                                  \
32    a = _Atomic_Load_##NAME(&t, mem_bar);                \
33    rtems_test_assert(a == b);                           \
34  }                                                      \
35  locked_printf("\nCPU%d Atomic_Load_" #NAME ": SUCCESS\n", cpuid); \
36}
37
38rtems_task Test_task(
39    rtems_task_argument argument
40    )
41{
42  uint32_t          cpu_num;
43  char              name[5];
44  char             *p;
45
46  /* Get the task name */
47  p = rtems_object_get_name( RTEMS_SELF, 5, name );
48  rtems_test_assert( p != NULL );
49
50   /* Get the CPU Number */
51  cpu_num = rtems_smp_get_current_processor();
52
53  /* Print that the task is up and running. */
54  /* test relaxed barrier */
55  ATOMIC_LOAD_NO_BARRIER(uint, Uint, uint_fast32_t, cpu_num, ATOMIC_ORDER_RELAXED);
56
57  ATOMIC_LOAD_NO_BARRIER(ptr, Pointer, uintptr_t, cpu_num, ATOMIC_ORDER_RELAXED);
58
59  /* test acquire barrier */
60  ATOMIC_LOAD_NO_BARRIER(uint, Uint, uint_fast32_t, cpu_num, ATOMIC_ORDER_ACQUIRE);
61
62  ATOMIC_LOAD_NO_BARRIER(ptr, Pointer, unsigned long, cpu_num, ATOMIC_ORDER_ACQUIRE);
63
64//  ATOMIC_LOAD_NO_BARRIER(64, cpu_num);
65
66  /* Set the flag that the task is up and running */
67  TaskRan[cpu_num] = true;
68
69  /* Drop into a loop which will keep this task on
70   * running on the cpu.
71   */
72  while(1);
73}
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