1 | /* |
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2 | * Copyright (c) 2015 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 <tmacros.h> |
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20 | #include <intrcritical.h> |
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21 | |
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22 | #include <string.h> |
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23 | |
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24 | #include <rtems.h> |
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25 | #include <rtems/score/schedulerpriority.h> |
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26 | #include <rtems/score/threadimpl.h> |
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27 | |
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28 | const char rtems_test_name[] = "SPINTRCRITICAL 23"; |
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29 | |
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30 | typedef struct { |
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31 | RTEMS_INTERRUPT_LOCK_MEMBER(lock) |
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32 | rtems_id task_id; |
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33 | Thread_Control *tcb; |
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34 | rtems_task_priority priority_task; |
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35 | rtems_task_priority priority_interrupt; |
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36 | uint32_t priority_generation; |
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37 | Scheduler_priority_Node scheduler_node; |
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38 | bool done; |
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39 | } test_context; |
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40 | |
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41 | static test_context ctx_instance; |
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42 | |
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43 | static Thread_Control *get_tcb(rtems_id id) |
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44 | { |
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45 | Objects_Locations location; |
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46 | Thread_Control *tcb; |
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47 | |
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48 | tcb = _Thread_Get(id, &location); |
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49 | _Objects_Put(&tcb->Object); |
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50 | |
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51 | rtems_test_assert(tcb != NULL && location == OBJECTS_LOCAL); |
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52 | |
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53 | return tcb; |
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54 | } |
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55 | |
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56 | static bool scheduler_node_unchanged(const test_context *ctx) |
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57 | { |
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58 | return memcmp( |
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59 | &ctx->scheduler_node, |
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60 | ctx->tcb->Scheduler.node, |
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61 | sizeof(ctx->scheduler_node) |
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62 | ) == 0; |
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63 | } |
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64 | |
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65 | static void change_priority(rtems_id timer, void *arg) |
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66 | { |
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67 | /* The arg is NULL */ |
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68 | test_context *ctx = &ctx_instance; |
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69 | rtems_interrupt_lock_context lock_context; |
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70 | rtems_task_priority priority_interrupt; |
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71 | rtems_task_priority priority_task; |
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72 | |
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73 | rtems_interrupt_lock_acquire(&ctx->lock, &lock_context); |
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74 | if ( |
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75 | ctx->priority_generation != ctx->tcb->priority_generation |
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76 | && scheduler_node_unchanged(ctx) |
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77 | ) { |
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78 | ctx->done = true; |
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79 | priority_interrupt = ctx->priority_interrupt; |
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80 | priority_task = ctx->priority_task; |
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81 | } |
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82 | rtems_interrupt_lock_release(&ctx->lock, &lock_context); |
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83 | |
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84 | if (ctx->done) { |
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85 | rtems_status_code sc; |
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86 | rtems_task_priority previous; |
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87 | |
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88 | sc = rtems_task_set_priority( |
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89 | ctx->task_id, |
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90 | priority_interrupt, |
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91 | &previous |
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92 | ); |
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93 | rtems_test_assert(sc == RTEMS_SUCCESSFUL); |
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94 | rtems_test_assert(previous == priority_task); |
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95 | } |
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96 | } |
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97 | |
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98 | static bool test_body(void *arg) |
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99 | { |
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100 | test_context *ctx = arg; |
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101 | rtems_status_code sc; |
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102 | rtems_interrupt_lock_context lock_context; |
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103 | rtems_task_priority priority_last; |
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104 | rtems_task_priority priority_task; |
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105 | rtems_task_priority priority_interrupt; |
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106 | rtems_task_priority previous; |
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107 | |
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108 | rtems_interrupt_lock_acquire(&ctx->lock, &lock_context); |
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109 | priority_last = ctx->priority_task; |
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110 | priority_task = 1 + (priority_last + 1) % 3; |
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111 | priority_interrupt = 1 + (priority_task + 1) % 3; |
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112 | ctx->priority_task = priority_task; |
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113 | ctx->priority_interrupt = priority_interrupt; |
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114 | ctx->priority_generation = ctx->tcb->priority_generation; |
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115 | memcpy( |
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116 | &ctx->scheduler_node, |
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117 | ctx->tcb->Scheduler.node, |
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118 | sizeof(ctx->scheduler_node) |
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119 | ); |
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120 | rtems_interrupt_lock_release(&ctx->lock, &lock_context); |
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121 | |
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122 | sc = rtems_task_set_priority( |
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123 | ctx->task_id, |
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124 | priority_task, |
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125 | &previous |
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126 | ); |
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127 | rtems_test_assert(sc == RTEMS_SUCCESSFUL); |
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128 | rtems_test_assert(previous == priority_last); |
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129 | |
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130 | if (ctx->done) { |
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131 | sc = rtems_task_set_priority( |
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132 | ctx->task_id, |
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133 | RTEMS_CURRENT_PRIORITY, |
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134 | &previous |
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135 | ); |
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136 | rtems_test_assert(sc == RTEMS_SUCCESSFUL); |
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137 | rtems_test_assert(previous == priority_interrupt); |
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138 | } |
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139 | |
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140 | return ctx->done; |
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141 | } |
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142 | |
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143 | static void Init(rtems_task_argument arg) |
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144 | { |
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145 | test_context *ctx = &ctx_instance; |
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146 | rtems_status_code sc; |
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147 | |
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148 | TEST_BEGIN(); |
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149 | |
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150 | rtems_interrupt_lock_initialize(&ctx->lock, "Test"); |
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151 | ctx->priority_task = 1; |
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152 | |
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153 | sc = rtems_task_create( |
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154 | rtems_build_name('T', 'E', 'S', 'T'), |
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155 | ctx->priority_task, |
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156 | RTEMS_MINIMUM_STACK_SIZE, |
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157 | RTEMS_DEFAULT_MODES, |
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158 | RTEMS_DEFAULT_ATTRIBUTES, |
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159 | &ctx->task_id |
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160 | ); |
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161 | rtems_test_assert(sc == RTEMS_SUCCESSFUL); |
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162 | |
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163 | ctx->tcb = get_tcb(ctx->task_id); |
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164 | |
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165 | interrupt_critical_section_test(test_body, ctx, change_priority); |
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166 | rtems_test_assert(ctx->done); |
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167 | |
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168 | TEST_END(); |
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169 | rtems_test_exit(0); |
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170 | } |
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171 | |
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172 | #define CONFIGURE_APPLICATION_NEEDS_CLOCK_DRIVER |
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173 | #define CONFIGURE_APPLICATION_NEEDS_CONSOLE_DRIVER |
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174 | |
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175 | #define CONFIGURE_MICROSECONDS_PER_TICK 1000 |
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176 | |
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177 | #define CONFIGURE_MAXIMUM_TASKS 2 |
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178 | #define CONFIGURE_MAXIMUM_TIMERS 1 |
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179 | #define CONFIGURE_MAXIMUM_USER_EXTENSIONS 1 |
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180 | |
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181 | #define CONFIGURE_INITIAL_EXTENSIONS RTEMS_TEST_INITIAL_EXTENSION |
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182 | |
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183 | #define CONFIGURE_RTEMS_INIT_TASKS_TABLE |
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184 | |
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185 | #define CONFIGURE_INIT |
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186 | |
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187 | #include <rtems/confdefs.h> |
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