1 | /* |
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2 | * Copyright (c) 2014 embedded brains GmbH. All rights reserved. |
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3 | * |
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4 | * embedded brains GmbH |
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5 | * Dornierstr. 4 |
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6 | * 82178 Puchheim |
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7 | * Germany |
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8 | * <rtems@embedded-brains.de> |
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9 | * |
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10 | * The license and distribution terms for this file may be |
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11 | * found in the file LICENSE in this distribution or at |
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12 | * http://www.rtems.org/license/LICENSE. |
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13 | */ |
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14 | |
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15 | #ifdef HAVE_CONFIG_H |
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16 | #include "config.h" |
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17 | #endif |
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18 | |
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19 | #include <rtems.h> |
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20 | #include <rtems/counter.h> |
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21 | #include <rtems/test.h> |
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22 | #include <rtems/score/smpbarrier.h> |
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23 | #include <rtems/score/smpimpl.h> |
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24 | #include <rtems/score/threaddispatch.h> |
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25 | |
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26 | #include <assert.h> |
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27 | #include <stdlib.h> |
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28 | |
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29 | const char rtems_test_name[] = "SMPFATAL 3"; |
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30 | |
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31 | #define CPU_COUNT 2 |
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32 | |
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33 | static uint32_t main_cpu; |
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34 | |
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35 | static SMP_barrier_Control giant_barrier = SMP_BARRIER_CONTROL_INITIALIZER; |
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36 | |
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37 | static SMP_barrier_Control fatal_barrier = SMP_BARRIER_CONTROL_INITIALIZER; |
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38 | |
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39 | static void acquire_giant_and_fatal_task(rtems_task_argument arg) |
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40 | { |
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41 | SMP_barrier_State state = SMP_BARRIER_STATE_INITIALIZER; |
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42 | int i; |
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43 | |
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44 | for (i = 0; i < 13; ++i) { |
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45 | _Giant_Acquire(); |
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46 | } |
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47 | |
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48 | _SMP_barrier_Wait(&giant_barrier, &state, CPU_COUNT); |
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49 | |
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50 | /* |
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51 | * Now we have to wait some time so that the other thread can actually start |
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52 | * with the _Giant_Acquire() procedure. |
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53 | */ |
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54 | rtems_counter_delay_nanoseconds(1000000); |
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55 | |
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56 | rtems_fatal(RTEMS_FATAL_SOURCE_APPLICATION, 0xdeadbeef); |
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57 | } |
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58 | |
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59 | static void wait_for_giant(void) |
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60 | { |
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61 | SMP_barrier_State state = SMP_BARRIER_STATE_INITIALIZER; |
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62 | |
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63 | _SMP_barrier_Wait(&giant_barrier, &state, CPU_COUNT); |
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64 | |
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65 | _Giant_Acquire(); |
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66 | } |
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67 | |
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68 | static void Init(rtems_task_argument arg) |
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69 | { |
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70 | uint32_t self = rtems_get_current_processor(); |
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71 | uint32_t cpu_count = rtems_get_processor_count(); |
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72 | |
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73 | rtems_test_begink(); |
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74 | |
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75 | main_cpu = self; |
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76 | |
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77 | if (cpu_count >= CPU_COUNT) { |
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78 | rtems_status_code sc; |
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79 | rtems_id id; |
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80 | |
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81 | sc = rtems_task_create( |
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82 | rtems_build_name( 'W', 'A', 'I', 'T' ), |
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83 | 1, |
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84 | RTEMS_MINIMUM_STACK_SIZE, |
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85 | RTEMS_DEFAULT_MODES, |
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86 | RTEMS_DEFAULT_ATTRIBUTES, |
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87 | &id |
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88 | ); |
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89 | assert(sc == RTEMS_SUCCESSFUL); |
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90 | |
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91 | sc = rtems_task_start(id, acquire_giant_and_fatal_task, 0); |
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92 | assert(sc == RTEMS_SUCCESSFUL); |
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93 | |
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94 | wait_for_giant(); |
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95 | } else { |
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96 | rtems_test_endk(); |
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97 | exit(0); |
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98 | } |
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99 | } |
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100 | |
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101 | static void fatal_extension( |
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102 | rtems_fatal_source source, |
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103 | bool is_internal, |
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104 | rtems_fatal_code code |
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105 | ) |
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106 | { |
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107 | if ( |
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108 | source == RTEMS_FATAL_SOURCE_APPLICATION |
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109 | || source == RTEMS_FATAL_SOURCE_SMP |
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110 | ) { |
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111 | uint32_t self = rtems_get_current_processor(); |
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112 | SMP_barrier_State state = SMP_BARRIER_STATE_INITIALIZER; |
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113 | |
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114 | assert(!is_internal); |
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115 | |
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116 | if (self == main_cpu) { |
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117 | assert(source == RTEMS_FATAL_SOURCE_SMP); |
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118 | assert(code == SMP_FATAL_SHUTDOWN_RESPONSE); |
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119 | } else { |
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120 | assert(source == RTEMS_FATAL_SOURCE_APPLICATION); |
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121 | assert(code == 0xdeadbeef); |
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122 | } |
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123 | |
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124 | _SMP_barrier_Wait(&fatal_barrier, &state, CPU_COUNT); |
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125 | |
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126 | if (self == 0) { |
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127 | rtems_test_endk(); |
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128 | } |
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129 | |
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130 | _SMP_barrier_Wait(&fatal_barrier, &state, CPU_COUNT); |
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131 | } |
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132 | } |
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133 | |
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134 | #define CONFIGURE_APPLICATION_DOES_NOT_NEED_CLOCK_DRIVER |
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135 | #define CONFIGURE_APPLICATION_NEEDS_CONSOLE_DRIVER |
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136 | |
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137 | #define CONFIGURE_INITIAL_EXTENSIONS \ |
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138 | { .fatal = fatal_extension }, \ |
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139 | RTEMS_TEST_INITIAL_EXTENSION |
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140 | |
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141 | #define CONFIGURE_SMP_APPLICATION |
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142 | |
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143 | #define CONFIGURE_SMP_MAXIMUM_PROCESSORS CPU_COUNT |
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144 | |
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145 | #define CONFIGURE_MAXIMUM_TASKS 2 |
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146 | |
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147 | #define CONFIGURE_RTEMS_INIT_TASKS_TABLE |
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148 | |
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149 | #define CONFIGURE_INIT |
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150 | |
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151 | #include <rtems/confdefs.h> |
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