summaryrefslogtreecommitdiffstats
path: root/testsuites/sptests/spintrcritical08/init.c
blob: 39855dfa29cc1e3f4877400995e1e268280b1ec7 (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
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
/*
 *  Copyright (C) 2020 embedded brains GmbH (http://www.embedded-brains.de)
 *
 *  COPYRIGHT (c) 1989-2012.
 *  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.org/license/LICENSE.
 */

#ifdef HAVE_CONFIG_H
#include "config.h"
#endif

#include <string.h>

#include <rtems/test.h>
#include <rtems/test-info.h>

#include <rtems/score/watchdogimpl.h>
#include <rtems/rtems/ratemonimpl.h>

const char rtems_test_name[] = "SPINTRCRITICAL 8";

typedef struct {
  rtems_id        period;
  Thread_Control *thread;
} test_context;

static rtems_rate_monotonic_period_states getState(test_context *ctx)
{
  Rate_monotonic_Control *the_period;
  ISR_lock_Context        lock_context;

  the_period = _Rate_monotonic_Get( ctx->period, &lock_context );
  T_quiet_assert_not_null( the_period );
  _ISR_lock_ISR_enable( &lock_context );

  return the_period->state;
}

static T_interrupt_test_state interrupt( void *arg )
{
  test_context                       *ctx;
  Per_CPU_Control                    *cpu_self;
  Watchdog_Header                    *header;
  Watchdog_Control                   *watchdog;
  T_interrupt_test_state              state;
  Thread_Wait_flags                   flags;
  ISR_Level                           level;
  rtems_rate_monotonic_period_states  previous_period_state;

  state = T_interrupt_test_get_state();

  if ( state != T_INTERRUPT_TEST_ACTION ) {
    return T_INTERRUPT_TEST_CONTINUE;
  }

  ctx = arg;
  cpu_self = _Per_CPU_Get();
  header = &cpu_self->Watchdog.Header[ PER_CPU_WATCHDOG_TICKS ];
  watchdog = (Watchdog_Control *) header->first;
  T_quiet_assert_not_null( watchdog );
  T_quiet_eq_u64( watchdog->expire, cpu_self->Watchdog.ticks );
  T_quiet_eq_ptr( watchdog->routine, _Rate_monotonic_Timeout );

  flags = _Thread_Wait_flags_get( ctx->thread );

  _ISR_Local_disable( level );
  _Watchdog_Per_CPU_remove( watchdog, cpu_self, header );
  _ISR_Local_enable( level );

  previous_period_state = getState( ctx );
  ( *watchdog->routine )( watchdog );

  if ( flags == RATE_MONOTONIC_INTEND_TO_BLOCK ) {
    T_quiet_eq_int( previous_period_state, RATE_MONOTONIC_ACTIVE );
    T_quiet_eq_int( getState( ctx ), RATE_MONOTONIC_ACTIVE );
    state = T_INTERRUPT_TEST_DONE;
  } else if ( flags == THREAD_WAIT_STATE_READY ) {
    T_quiet_true(
      previous_period_state == RATE_MONOTONIC_ACTIVE
        || previous_period_state == RATE_MONOTONIC_EXPIRED
    );
    state = T_INTERRUPT_TEST_EARLY;
  } else {
    T_quiet_eq_int( flags, RATE_MONOTONIC_BLOCKED );
    T_quiet_true(
      previous_period_state == RATE_MONOTONIC_ACTIVE
        || previous_period_state == RATE_MONOTONIC_EXPIRED
    );
    state = T_INTERRUPT_TEST_LATE;
  }

  return state;
}

static void prepare( void *arg )
{
  test_context      *ctx;
  rtems_status_code  sc;

  ctx = arg;

  do {
    sc = rtems_rate_monotonic_cancel( ctx->period );
    T_quiet_rsc_success( sc );

    sc = rtems_rate_monotonic_period( ctx->period, 1 );
    T_quiet_rsc_success( sc );

    /*
     * Depending on the time to the next clock tick and the CPU time available
     * to a simulator, we may get sporadic RTEMS_TIMEOUT here.  In the next
     * round we are synchronized with the clock tick.
     */
    sc = rtems_rate_monotonic_period( ctx->period, 1 );
  } while ( sc != RTEMS_SUCCESSFUL );
}

static void action( void *arg )
{
  test_context      *ctx;
  rtems_status_code  sc;

  ctx = arg;

  sc = rtems_rate_monotonic_period( ctx->period, 1 );
  T_quiet_true( sc == RTEMS_SUCCESSFUL || sc == RTEMS_TIMEOUT );

  T_interrupt_test_busy_wait_for_interrupt();
}

static const T_interrupt_test_config config = {
  .prepare = prepare,
  .action = action,
  .interrupt = interrupt,
  .max_iteration_count = 10000
};

T_TEST_CASE( RateMonotonicPeriodInterrupt )
{
  test_context ctx;
  rtems_status_code sc;
  T_interrupt_test_state state;

  memset( &ctx, 0 , sizeof( ctx ) );
  ctx.thread = _Thread_Get_executing();

  sc = rtems_rate_monotonic_create(
    rtems_build_name( 'P', 'E', 'R', '1' ),
    &ctx.period
  );
  T_rsc_success( sc );

  state = T_interrupt_test( &config, &ctx );
  T_eq_int( state, T_INTERRUPT_TEST_DONE );

  sc = rtems_rate_monotonic_delete( ctx.period );
  T_rsc_success( sc );
}

static rtems_task Init( rtems_task_argument argument )
{
  rtems_test_run( argument, TEST_STATE );
}

/* configuration information */

#define CONFIGURE_APPLICATION_NEEDS_SIMPLE_CONSOLE_DRIVER
#define CONFIGURE_APPLICATION_NEEDS_CLOCK_DRIVER

#define CONFIGURE_MAXIMUM_TASKS       1
#define CONFIGURE_MAXIMUM_PERIODS     1

#define CONFIGURE_MICROSECONDS_PER_TICK  10000
#define CONFIGURE_INITIAL_EXTENSIONS RTEMS_TEST_INITIAL_EXTENSION

#define CONFIGURE_RTEMS_INIT_TASKS_TABLE

#define CONFIGURE_INIT
#include <rtems/confdefs.h>

/* global variables */