1 | /* SPDX-License-Identifier: BSD-2-Clause */ |
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2 | |
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3 | /* |
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4 | * Copyright (c) 2016 embedded brains GmbH & Co. KG |
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5 | * |
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6 | * Redistribution and use in source and binary forms, with or without |
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7 | * modification, are permitted provided that the following conditions |
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8 | * are met: |
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9 | * 1. Redistributions of source code must retain the above copyright |
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10 | * notice, this list of conditions and the following disclaimer. |
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11 | * 2. Redistributions in binary form must reproduce the above copyright |
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12 | * notice, this list of conditions and the following disclaimer in the |
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13 | * documentation and/or other materials provided with the distribution. |
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14 | * |
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15 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
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16 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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17 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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18 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE |
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19 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
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20 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
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21 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
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22 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
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23 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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24 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
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25 | * POSSIBILITY OF SUCH DAMAGE. |
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26 | */ |
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27 | |
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28 | #ifdef HAVE_CONFIG_H |
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29 | #include "config.h" |
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30 | #endif |
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31 | |
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32 | #include <inttypes.h> |
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33 | #include <string.h> |
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34 | #include <stdio.h> |
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35 | |
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36 | #include <rtems.h> |
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37 | #include <rtems/libcsupport.h> |
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38 | |
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39 | #include "tmacros.h" |
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40 | |
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41 | const char rtems_test_name[] = "SMPSCHEDULER 4"; |
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42 | |
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43 | #define CPU_COUNT 32 |
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44 | |
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45 | #define PRIO_MIGRATION 2 |
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46 | |
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47 | #define PRIO_SCHEDULER 3 |
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48 | |
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49 | typedef struct { |
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50 | rtems_id migration_task; |
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51 | rtems_id scheduler_task; |
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52 | rtems_id scheduler_ids[CPU_COUNT]; |
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53 | uint32_t migration_counter RTEMS_ALIGNED(CPU_CACHE_LINE_BYTES); |
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54 | uint32_t scheduler_counter RTEMS_ALIGNED(CPU_CACHE_LINE_BYTES); |
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55 | } test_context; |
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56 | |
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57 | static test_context test_instance; |
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58 | |
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59 | static void migration_task(rtems_task_argument arg) |
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60 | { |
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61 | test_context *ctx = (test_context *) arg; |
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62 | uint32_t cpu_count = rtems_scheduler_get_processor_maximum(); |
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63 | uint32_t cpu_index = rtems_scheduler_get_processor(); |
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64 | |
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65 | while (true) { |
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66 | rtems_status_code sc; |
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67 | |
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68 | cpu_index = (cpu_index + 1) % cpu_count; |
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69 | |
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70 | sc = rtems_task_set_scheduler( |
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71 | RTEMS_SELF, |
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72 | ctx->scheduler_ids[cpu_index], |
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73 | PRIO_MIGRATION |
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74 | ); |
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75 | |
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76 | if (sc == RTEMS_UNSATISFIED) { |
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77 | continue; |
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78 | } |
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79 | |
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80 | rtems_test_assert(sc == RTEMS_SUCCESSFUL); |
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81 | rtems_test_assert(cpu_index == rtems_scheduler_get_processor()); |
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82 | ++ctx->migration_counter; |
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83 | } |
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84 | } |
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85 | |
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86 | static void scheduler_task(rtems_task_argument arg) |
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87 | { |
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88 | test_context *ctx = (test_context *) arg; |
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89 | uint32_t cpu_count = rtems_scheduler_get_processor_maximum(); |
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90 | uint32_t cpu_index = rtems_scheduler_get_processor(); |
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91 | |
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92 | while (true) { |
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93 | rtems_status_code sc; |
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94 | |
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95 | cpu_index = (cpu_index - 1) % cpu_count; |
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96 | |
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97 | if (cpu_index == 0) { |
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98 | cpu_index = 1; |
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99 | } |
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100 | |
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101 | do { |
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102 | sc = rtems_scheduler_remove_processor( |
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103 | ctx->scheduler_ids[cpu_index], |
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104 | cpu_index |
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105 | ); |
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106 | } while (sc == RTEMS_RESOURCE_IN_USE); |
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107 | |
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108 | sc = rtems_scheduler_add_processor( |
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109 | ctx->scheduler_ids[cpu_index], |
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110 | cpu_index |
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111 | ); |
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112 | rtems_test_assert(sc == RTEMS_SUCCESSFUL); |
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113 | |
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114 | ++ctx->scheduler_counter; |
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115 | } |
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116 | } |
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117 | |
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118 | static void test(test_context *ctx) |
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119 | { |
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120 | rtems_status_code sc; |
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121 | uint32_t i; |
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122 | |
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123 | for (i = 0; i < rtems_scheduler_get_processor_maximum(); ++i) { |
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124 | sc = rtems_scheduler_ident(i, &ctx->scheduler_ids[i]); |
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125 | rtems_test_assert(sc == RTEMS_SUCCESSFUL); |
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126 | } |
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127 | |
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128 | sc = rtems_task_create( |
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129 | rtems_build_name('M', 'I', 'G', 'R'), |
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130 | PRIO_MIGRATION, |
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131 | RTEMS_MINIMUM_STACK_SIZE, |
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132 | RTEMS_DEFAULT_MODES, |
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133 | RTEMS_DEFAULT_ATTRIBUTES, |
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134 | &ctx->migration_task |
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135 | ); |
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136 | rtems_test_assert(sc == RTEMS_SUCCESSFUL); |
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137 | |
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138 | sc = rtems_task_start( |
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139 | ctx->migration_task, |
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140 | migration_task, |
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141 | (rtems_task_argument) ctx |
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142 | ); |
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143 | rtems_test_assert(sc == RTEMS_SUCCESSFUL); |
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144 | |
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145 | sc = rtems_task_create( |
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146 | rtems_build_name('S', 'C', 'H', 'D'), |
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147 | PRIO_SCHEDULER, |
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148 | RTEMS_MINIMUM_STACK_SIZE, |
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149 | RTEMS_DEFAULT_MODES, |
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150 | RTEMS_DEFAULT_ATTRIBUTES, |
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151 | &ctx->scheduler_task |
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152 | ); |
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153 | rtems_test_assert(sc == RTEMS_SUCCESSFUL); |
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154 | |
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155 | sc = rtems_task_start( |
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156 | ctx->scheduler_task, |
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157 | scheduler_task, |
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158 | (rtems_task_argument) ctx |
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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_wake_after(10 * rtems_clock_get_ticks_per_second()); |
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163 | rtems_test_assert(sc == RTEMS_SUCCESSFUL); |
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164 | |
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165 | sc = rtems_task_delete(ctx->migration_task); |
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166 | rtems_test_assert(sc == RTEMS_SUCCESSFUL); |
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167 | |
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168 | sc = rtems_task_delete(ctx->scheduler_task); |
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169 | rtems_test_assert(sc == RTEMS_SUCCESSFUL); |
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170 | |
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171 | printf( |
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172 | "migration counter = %" PRIu32 "\n" |
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173 | "scheduler counter = %" PRIu32 "\n", |
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174 | ctx->migration_counter, |
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175 | ctx->scheduler_counter |
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176 | ); |
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177 | } |
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178 | |
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179 | static void Init(rtems_task_argument arg) |
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180 | { |
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181 | rtems_resource_snapshot snapshot; |
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182 | |
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183 | TEST_BEGIN(); |
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184 | rtems_resource_snapshot_take(&snapshot); |
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185 | test(&test_instance); |
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186 | rtems_test_assert(rtems_resource_snapshot_check(&snapshot)); |
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187 | TEST_END(); |
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188 | rtems_test_exit(0); |
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189 | } |
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190 | |
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191 | #define CONFIGURE_APPLICATION_NEEDS_CLOCK_DRIVER |
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192 | #define CONFIGURE_APPLICATION_NEEDS_SIMPLE_CONSOLE_DRIVER |
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193 | |
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194 | #define CONFIGURE_MAXIMUM_TASKS 3 |
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195 | |
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196 | #define CONFIGURE_MAXIMUM_PROCESSORS CPU_COUNT |
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197 | |
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198 | #define CONFIGURE_SCHEDULER_SIMPLE_SMP |
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199 | |
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200 | #include <rtems/scheduler.h> |
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201 | |
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202 | RTEMS_SCHEDULER_SIMPLE_SMP(0); |
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203 | RTEMS_SCHEDULER_SIMPLE_SMP(1); |
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204 | RTEMS_SCHEDULER_SIMPLE_SMP(2); |
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205 | RTEMS_SCHEDULER_SIMPLE_SMP(3); |
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206 | RTEMS_SCHEDULER_SIMPLE_SMP(4); |
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207 | RTEMS_SCHEDULER_SIMPLE_SMP(5); |
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208 | RTEMS_SCHEDULER_SIMPLE_SMP(6); |
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209 | RTEMS_SCHEDULER_SIMPLE_SMP(7); |
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210 | RTEMS_SCHEDULER_SIMPLE_SMP(8); |
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211 | RTEMS_SCHEDULER_SIMPLE_SMP(9); |
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212 | RTEMS_SCHEDULER_SIMPLE_SMP(10); |
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213 | RTEMS_SCHEDULER_SIMPLE_SMP(11); |
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214 | RTEMS_SCHEDULER_SIMPLE_SMP(12); |
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215 | RTEMS_SCHEDULER_SIMPLE_SMP(13); |
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216 | RTEMS_SCHEDULER_SIMPLE_SMP(14); |
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217 | RTEMS_SCHEDULER_SIMPLE_SMP(15); |
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218 | RTEMS_SCHEDULER_SIMPLE_SMP(16); |
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219 | RTEMS_SCHEDULER_SIMPLE_SMP(17); |
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220 | RTEMS_SCHEDULER_SIMPLE_SMP(18); |
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221 | RTEMS_SCHEDULER_SIMPLE_SMP(19); |
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222 | RTEMS_SCHEDULER_SIMPLE_SMP(20); |
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223 | RTEMS_SCHEDULER_SIMPLE_SMP(21); |
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224 | RTEMS_SCHEDULER_SIMPLE_SMP(22); |
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225 | RTEMS_SCHEDULER_SIMPLE_SMP(23); |
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226 | RTEMS_SCHEDULER_SIMPLE_SMP(24); |
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227 | RTEMS_SCHEDULER_SIMPLE_SMP(25); |
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228 | RTEMS_SCHEDULER_SIMPLE_SMP(26); |
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229 | RTEMS_SCHEDULER_SIMPLE_SMP(27); |
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230 | RTEMS_SCHEDULER_SIMPLE_SMP(28); |
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231 | RTEMS_SCHEDULER_SIMPLE_SMP(29); |
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232 | RTEMS_SCHEDULER_SIMPLE_SMP(30); |
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233 | RTEMS_SCHEDULER_SIMPLE_SMP(31); |
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234 | |
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235 | #define CONFIGURE_SCHEDULER_TABLE_ENTRIES \ |
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236 | RTEMS_SCHEDULER_TABLE_SIMPLE_SMP(0, 0), \ |
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237 | RTEMS_SCHEDULER_TABLE_SIMPLE_SMP(1, 1), \ |
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238 | RTEMS_SCHEDULER_TABLE_SIMPLE_SMP(2, 2), \ |
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239 | RTEMS_SCHEDULER_TABLE_SIMPLE_SMP(3, 3), \ |
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240 | RTEMS_SCHEDULER_TABLE_SIMPLE_SMP(4, 4), \ |
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241 | RTEMS_SCHEDULER_TABLE_SIMPLE_SMP(5, 5), \ |
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242 | RTEMS_SCHEDULER_TABLE_SIMPLE_SMP(6, 6), \ |
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243 | RTEMS_SCHEDULER_TABLE_SIMPLE_SMP(7, 7), \ |
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244 | RTEMS_SCHEDULER_TABLE_SIMPLE_SMP(8, 8), \ |
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245 | RTEMS_SCHEDULER_TABLE_SIMPLE_SMP(9, 9), \ |
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246 | RTEMS_SCHEDULER_TABLE_SIMPLE_SMP(10, 10), \ |
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247 | RTEMS_SCHEDULER_TABLE_SIMPLE_SMP(11, 11), \ |
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248 | RTEMS_SCHEDULER_TABLE_SIMPLE_SMP(12, 12), \ |
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249 | RTEMS_SCHEDULER_TABLE_SIMPLE_SMP(13, 13), \ |
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250 | RTEMS_SCHEDULER_TABLE_SIMPLE_SMP(14, 14), \ |
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251 | RTEMS_SCHEDULER_TABLE_SIMPLE_SMP(15, 15), \ |
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252 | RTEMS_SCHEDULER_TABLE_SIMPLE_SMP(16, 16), \ |
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253 | RTEMS_SCHEDULER_TABLE_SIMPLE_SMP(17, 17), \ |
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254 | RTEMS_SCHEDULER_TABLE_SIMPLE_SMP(18, 18), \ |
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255 | RTEMS_SCHEDULER_TABLE_SIMPLE_SMP(19, 19), \ |
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256 | RTEMS_SCHEDULER_TABLE_SIMPLE_SMP(20, 20), \ |
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257 | RTEMS_SCHEDULER_TABLE_SIMPLE_SMP(21, 21), \ |
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258 | RTEMS_SCHEDULER_TABLE_SIMPLE_SMP(22, 22), \ |
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259 | RTEMS_SCHEDULER_TABLE_SIMPLE_SMP(23, 23), \ |
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260 | RTEMS_SCHEDULER_TABLE_SIMPLE_SMP(24, 24), \ |
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261 | RTEMS_SCHEDULER_TABLE_SIMPLE_SMP(25, 25), \ |
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262 | RTEMS_SCHEDULER_TABLE_SIMPLE_SMP(26, 26), \ |
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263 | RTEMS_SCHEDULER_TABLE_SIMPLE_SMP(27, 27), \ |
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264 | RTEMS_SCHEDULER_TABLE_SIMPLE_SMP(28, 28), \ |
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265 | RTEMS_SCHEDULER_TABLE_SIMPLE_SMP(29, 29), \ |
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266 | RTEMS_SCHEDULER_TABLE_SIMPLE_SMP(30, 30), \ |
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267 | RTEMS_SCHEDULER_TABLE_SIMPLE_SMP(31, 31) |
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268 | |
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269 | #define CONFIGURE_SCHEDULER_ASSIGNMENTS \ |
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270 | RTEMS_SCHEDULER_ASSIGN(0, RTEMS_SCHEDULER_ASSIGN_PROCESSOR_MANDATORY), \ |
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271 | RTEMS_SCHEDULER_ASSIGN(1, RTEMS_SCHEDULER_ASSIGN_PROCESSOR_OPTIONAL), \ |
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272 | RTEMS_SCHEDULER_ASSIGN(2, RTEMS_SCHEDULER_ASSIGN_PROCESSOR_OPTIONAL), \ |
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273 | RTEMS_SCHEDULER_ASSIGN(3, RTEMS_SCHEDULER_ASSIGN_PROCESSOR_OPTIONAL), \ |
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274 | RTEMS_SCHEDULER_ASSIGN(4, RTEMS_SCHEDULER_ASSIGN_PROCESSOR_OPTIONAL), \ |
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275 | RTEMS_SCHEDULER_ASSIGN(5, RTEMS_SCHEDULER_ASSIGN_PROCESSOR_OPTIONAL), \ |
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276 | RTEMS_SCHEDULER_ASSIGN(6, RTEMS_SCHEDULER_ASSIGN_PROCESSOR_OPTIONAL), \ |
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277 | RTEMS_SCHEDULER_ASSIGN(7, RTEMS_SCHEDULER_ASSIGN_PROCESSOR_OPTIONAL), \ |
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278 | RTEMS_SCHEDULER_ASSIGN(8, RTEMS_SCHEDULER_ASSIGN_PROCESSOR_OPTIONAL), \ |
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279 | RTEMS_SCHEDULER_ASSIGN(9, RTEMS_SCHEDULER_ASSIGN_PROCESSOR_OPTIONAL), \ |
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280 | RTEMS_SCHEDULER_ASSIGN(10, RTEMS_SCHEDULER_ASSIGN_PROCESSOR_OPTIONAL), \ |
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281 | RTEMS_SCHEDULER_ASSIGN(11, RTEMS_SCHEDULER_ASSIGN_PROCESSOR_OPTIONAL), \ |
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282 | RTEMS_SCHEDULER_ASSIGN(12, RTEMS_SCHEDULER_ASSIGN_PROCESSOR_OPTIONAL), \ |
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283 | RTEMS_SCHEDULER_ASSIGN(13, RTEMS_SCHEDULER_ASSIGN_PROCESSOR_OPTIONAL), \ |
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284 | RTEMS_SCHEDULER_ASSIGN(14, RTEMS_SCHEDULER_ASSIGN_PROCESSOR_OPTIONAL), \ |
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285 | RTEMS_SCHEDULER_ASSIGN(15, RTEMS_SCHEDULER_ASSIGN_PROCESSOR_OPTIONAL), \ |
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286 | RTEMS_SCHEDULER_ASSIGN(16, RTEMS_SCHEDULER_ASSIGN_PROCESSOR_OPTIONAL), \ |
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287 | RTEMS_SCHEDULER_ASSIGN(17, RTEMS_SCHEDULER_ASSIGN_PROCESSOR_OPTIONAL), \ |
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288 | RTEMS_SCHEDULER_ASSIGN(18, RTEMS_SCHEDULER_ASSIGN_PROCESSOR_OPTIONAL), \ |
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289 | RTEMS_SCHEDULER_ASSIGN(19, RTEMS_SCHEDULER_ASSIGN_PROCESSOR_OPTIONAL), \ |
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290 | RTEMS_SCHEDULER_ASSIGN(20, RTEMS_SCHEDULER_ASSIGN_PROCESSOR_OPTIONAL), \ |
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291 | RTEMS_SCHEDULER_ASSIGN(21, RTEMS_SCHEDULER_ASSIGN_PROCESSOR_OPTIONAL), \ |
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292 | RTEMS_SCHEDULER_ASSIGN(22, RTEMS_SCHEDULER_ASSIGN_PROCESSOR_OPTIONAL), \ |
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293 | RTEMS_SCHEDULER_ASSIGN(23, RTEMS_SCHEDULER_ASSIGN_PROCESSOR_OPTIONAL), \ |
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294 | RTEMS_SCHEDULER_ASSIGN(24, RTEMS_SCHEDULER_ASSIGN_PROCESSOR_OPTIONAL), \ |
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295 | RTEMS_SCHEDULER_ASSIGN(25, RTEMS_SCHEDULER_ASSIGN_PROCESSOR_OPTIONAL), \ |
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296 | RTEMS_SCHEDULER_ASSIGN(26, RTEMS_SCHEDULER_ASSIGN_PROCESSOR_OPTIONAL), \ |
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297 | RTEMS_SCHEDULER_ASSIGN(27, RTEMS_SCHEDULER_ASSIGN_PROCESSOR_OPTIONAL), \ |
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298 | RTEMS_SCHEDULER_ASSIGN(28, RTEMS_SCHEDULER_ASSIGN_PROCESSOR_OPTIONAL), \ |
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299 | RTEMS_SCHEDULER_ASSIGN(29, RTEMS_SCHEDULER_ASSIGN_PROCESSOR_OPTIONAL), \ |
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300 | RTEMS_SCHEDULER_ASSIGN(30, RTEMS_SCHEDULER_ASSIGN_PROCESSOR_OPTIONAL), \ |
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301 | RTEMS_SCHEDULER_ASSIGN(31, RTEMS_SCHEDULER_ASSIGN_PROCESSOR_OPTIONAL) |
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302 | |
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303 | #define CONFIGURE_INITIAL_EXTENSIONS RTEMS_TEST_INITIAL_EXTENSION |
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304 | |
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305 | #define CONFIGURE_RTEMS_INIT_TASKS_TABLE |
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306 | |
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307 | #define CONFIGURE_INIT |
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308 | |
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309 | #include <rtems/confdefs.h> |
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