1 | /* |
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2 | * Copyright (c) 2013 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.com/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 | |
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21 | #include "tmacros.h" |
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22 | |
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23 | #define CPU_COUNT 2 |
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24 | |
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25 | #define TASK_COUNT 4 |
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26 | |
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27 | #define FIRST_TASK_PRIORITY 1 |
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28 | |
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29 | #define SECOND_TASK_READY RTEMS_EVENT_0 |
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30 | |
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31 | static rtems_id task_ids[TASK_COUNT]; |
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32 | |
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33 | static void suspend(size_t i) |
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34 | { |
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35 | rtems_status_code sc = rtems_task_suspend(task_ids[i]); |
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36 | rtems_test_assert(sc == RTEMS_SUCCESSFUL); |
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37 | } |
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38 | |
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39 | static void resume(size_t i) |
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40 | { |
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41 | rtems_status_code sc = rtems_task_resume(task_ids[i]); |
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42 | rtems_test_assert(sc == RTEMS_SUCCESSFUL); |
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43 | } |
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44 | |
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45 | static void task(rtems_task_argument arg) |
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46 | { |
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47 | rtems_task_priority task_priority; |
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48 | rtems_status_code sc; |
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49 | |
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50 | sc = rtems_task_set_priority( |
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51 | RTEMS_SELF, |
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52 | RTEMS_CURRENT_PRIORITY, |
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53 | &task_priority |
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54 | ); |
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55 | rtems_test_assert(sc == RTEMS_SUCCESSFUL); |
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56 | |
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57 | if (arg == 1) { |
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58 | sc = rtems_event_send(task_ids[0], SECOND_TASK_READY); |
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59 | rtems_test_assert(sc == RTEMS_SUCCESSFUL); |
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60 | } |
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61 | |
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62 | while (true) { |
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63 | /* Do nothing */ |
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64 | } |
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65 | } |
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66 | |
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67 | static bool is_per_cpu_state_ok(void) |
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68 | { |
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69 | bool ok = true; |
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70 | uint32_t n = rtems_processors_get_count(); |
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71 | uint32_t i; |
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72 | |
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73 | for (i = 0; i < n; ++i) { |
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74 | const Thread_Control *thread = _Per_CPU_Information[i].executing; |
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75 | uint32_t count = 0; |
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76 | uint32_t j; |
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77 | |
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78 | for (j = 0; j < n; ++j) { |
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79 | const Per_CPU_Control *cpu = &_Per_CPU_Information[j]; |
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80 | const Thread_Control *executing = cpu->executing; |
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81 | const Thread_Control *heir = cpu->heir; |
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82 | |
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83 | if (i != j) { |
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84 | count += executing == thread; |
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85 | count += heir == thread; |
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86 | } else { |
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87 | ++count; |
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88 | } |
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89 | |
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90 | ok = ok && executing->cpu == cpu; |
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91 | ok = ok && heir->cpu == cpu; |
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92 | } |
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93 | |
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94 | ok = ok && (count == 1); |
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95 | } |
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96 | |
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97 | return ok; |
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98 | } |
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99 | |
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100 | static void test_scheduler_cross(void) |
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101 | { |
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102 | bool per_cpu_state_ok; |
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103 | |
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104 | _Thread_Disable_dispatch(); |
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105 | |
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106 | suspend(0); |
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107 | suspend(1); |
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108 | resume(0); |
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109 | resume(1); |
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110 | |
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111 | per_cpu_state_ok = is_per_cpu_state_ok(); |
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112 | |
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113 | _Thread_Enable_dispatch(); |
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114 | |
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115 | rtems_test_assert(per_cpu_state_ok); |
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116 | } |
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117 | |
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118 | static void test_scheduler_move_heir(void) |
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119 | { |
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120 | bool per_cpu_state_ok; |
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121 | |
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122 | _Thread_Disable_dispatch(); |
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123 | |
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124 | suspend(2); |
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125 | suspend(3); |
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126 | suspend(0); |
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127 | resume(2); |
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128 | suspend(1); |
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129 | resume(3); |
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130 | resume(0); |
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131 | |
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132 | per_cpu_state_ok = is_per_cpu_state_ok(); |
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133 | |
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134 | resume(1); |
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135 | |
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136 | _Thread_Enable_dispatch(); |
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137 | |
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138 | rtems_test_assert(per_cpu_state_ok); |
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139 | } |
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140 | |
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141 | static void test(void) |
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142 | { |
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143 | rtems_event_set events; |
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144 | rtems_status_code sc; |
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145 | rtems_task_argument task_index; |
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146 | |
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147 | task_ids[0] = rtems_task_self(); |
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148 | |
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149 | for (task_index = 1; task_index < TASK_COUNT; ++task_index) { |
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150 | rtems_id task_id; |
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151 | |
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152 | sc = rtems_task_create( |
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153 | rtems_build_name('T', 'A', 'S', 'K'), |
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154 | FIRST_TASK_PRIORITY + task_index, |
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155 | RTEMS_MINIMUM_STACK_SIZE, |
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156 | RTEMS_DEFAULT_MODES, |
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157 | RTEMS_DEFAULT_ATTRIBUTES, |
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158 | &task_id |
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159 | ); |
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160 | rtems_test_assert(sc == RTEMS_SUCCESSFUL); |
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161 | |
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162 | sc = rtems_task_start(task_id, task, task_index); |
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163 | rtems_test_assert(sc == RTEMS_SUCCESSFUL); |
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164 | |
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165 | task_ids[task_index] = task_id; |
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166 | } |
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167 | |
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168 | sc = rtems_event_receive( |
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169 | SECOND_TASK_READY, |
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170 | RTEMS_EVENT_ALL | RTEMS_WAIT, |
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171 | RTEMS_NO_TIMEOUT, |
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172 | &events |
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173 | ); |
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174 | rtems_test_assert(sc == RTEMS_SUCCESSFUL); |
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175 | rtems_test_assert(events == SECOND_TASK_READY); |
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176 | |
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177 | test_scheduler_cross(); |
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178 | test_scheduler_move_heir(); |
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179 | } |
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180 | |
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181 | static void Init(rtems_task_argument arg) |
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182 | { |
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183 | puts("\n\n*** TEST SMPSCHEDULE 1 ***"); |
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184 | |
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185 | test(); |
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186 | |
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187 | puts("*** END OF TEST SMPSCHEDULE 1 ***"); |
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188 | |
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189 | rtems_test_exit(0); |
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190 | } |
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191 | |
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192 | #define CONFIGURE_APPLICATION_NEEDS_CLOCK_DRIVER |
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193 | #define CONFIGURE_APPLICATION_NEEDS_CONSOLE_DRIVER |
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194 | |
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195 | #define CONFIGURE_SMP_APPLICATION |
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196 | |
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197 | #define CONFIGURE_SMP_MAXIMUM_PROCESSORS CPU_COUNT |
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198 | |
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199 | #define CONFIGURE_MAXIMUM_TASKS TASK_COUNT |
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200 | |
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201 | #define CONFIGURE_INIT_TASK_PRIORITY FIRST_TASK_PRIORITY |
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202 | #define CONFIGURE_INIT_TASK_INITIAL_MODES RTEMS_DEFAULT_MODES |
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203 | #define CONFIGURE_INIT_TASK_ATTRIBUTES RTEMS_DEFAULT_ATTRIBUTES |
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204 | |
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205 | #define CONFIGURE_RTEMS_INIT_TASKS_TABLE |
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206 | |
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207 | #define CONFIGURE_INIT |
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208 | |
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209 | #include <rtems/confdefs.h> |
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