1 | /* |
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2 | * Copyright (c) 2016 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 | |
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21 | #include <rtems.h> |
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22 | #include <rtems/libcsupport.h> |
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23 | #include <rtems/score/percpu.h> |
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24 | #include <rtems/score/smpbarrier.h> |
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25 | |
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26 | #include <test_support.h> |
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27 | |
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28 | #define CPU_COUNT 2 |
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29 | |
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30 | #define SCHEDULER_A rtems_build_name(' ', ' ', ' ', 'A') |
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31 | |
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32 | #define SCHEDULER_B rtems_build_name(' ', ' ', ' ', 'B') |
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33 | |
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34 | const char rtems_test_name[] = "SMPCLOCK 1"; |
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35 | |
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36 | typedef struct { |
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37 | SMP_barrier_Control barrier; |
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38 | SMP_barrier_State delay_barrier_state; |
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39 | SMP_barrier_State timer_barrier_state; |
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40 | } test_context; |
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41 | |
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42 | static test_context test_instance = { |
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43 | .barrier = SMP_BARRIER_CONTROL_INITIALIZER, |
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44 | .delay_barrier_state = SMP_BARRIER_STATE_INITIALIZER, |
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45 | .timer_barrier_state = SMP_BARRIER_STATE_INITIALIZER |
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46 | }; |
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47 | |
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48 | static void wait(test_context *ctx, SMP_barrier_State *bs) |
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49 | { |
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50 | _SMP_barrier_Wait(&ctx->barrier, bs, CPU_COUNT); |
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51 | } |
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52 | |
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53 | static void timer_isr(rtems_id id, void *arg) |
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54 | { |
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55 | test_context *ctx = arg; |
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56 | |
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57 | /* (B) */ |
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58 | wait(ctx, &ctx->timer_barrier_state); |
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59 | } |
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60 | |
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61 | static void timer_task(rtems_task_argument arg) |
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62 | { |
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63 | test_context *ctx = (test_context *) arg; |
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64 | rtems_status_code sc; |
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65 | rtems_id timer_id; |
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66 | |
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67 | rtems_test_assert(rtems_get_current_processor() == 1); |
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68 | |
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69 | sc = rtems_timer_create(SCHEDULER_B, &timer_id); |
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70 | rtems_test_assert(sc == RTEMS_SUCCESSFUL); |
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71 | |
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72 | /* (A) */ |
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73 | wait(ctx, &ctx->timer_barrier_state); |
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74 | |
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75 | sc = rtems_timer_fire_after(timer_id, 1, timer_isr, ctx); |
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76 | rtems_test_assert(sc == RTEMS_SUCCESSFUL); |
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77 | |
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78 | sc = rtems_task_wake_after(1); |
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79 | rtems_test_assert(sc == RTEMS_SUCCESSFUL); |
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80 | |
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81 | sc = rtems_timer_delete(timer_id); |
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82 | rtems_test_assert(sc == RTEMS_SUCCESSFUL); |
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83 | |
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84 | /* (C) */ |
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85 | wait(ctx, &ctx->timer_barrier_state); |
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86 | |
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87 | while (true) { |
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88 | /* Wait for deletion */ |
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89 | } |
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90 | } |
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91 | |
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92 | static void delay_clock_tick(test_context *ctx) |
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93 | { |
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94 | rtems_interrupt_level level; |
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95 | const Per_CPU_Control *cpu_self = _Per_CPU_Get_by_index(0); |
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96 | const Per_CPU_Control *cpu_other = _Per_CPU_Get_by_index(1); |
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97 | uint64_t ticks; |
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98 | |
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99 | rtems_test_assert(rtems_get_current_processor() == 0); |
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100 | |
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101 | rtems_test_spin_until_next_tick(); |
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102 | ticks = cpu_self->Watchdog.ticks; |
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103 | |
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104 | rtems_interrupt_local_disable(level); |
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105 | |
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106 | /* (A) */ |
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107 | wait(ctx, &ctx->delay_barrier_state); |
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108 | |
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109 | /* (B) */ |
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110 | wait(ctx, &ctx->delay_barrier_state); |
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111 | |
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112 | rtems_test_assert(cpu_self->Watchdog.ticks == ticks); |
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113 | rtems_test_assert(cpu_other->Watchdog.ticks == ticks + 1); |
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114 | |
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115 | rtems_interrupt_local_enable(level); |
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116 | |
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117 | rtems_test_assert(cpu_self->Watchdog.ticks == ticks + 1); |
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118 | rtems_test_assert(cpu_other->Watchdog.ticks == ticks + 1); |
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119 | |
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120 | /* (C) */ |
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121 | wait(ctx, &ctx->delay_barrier_state); |
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122 | } |
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123 | |
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124 | static void test(void) |
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125 | { |
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126 | test_context *ctx = &test_instance; |
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127 | rtems_status_code sc; |
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128 | rtems_id scheduler_b_id; |
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129 | rtems_id task_id; |
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130 | |
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131 | sc = rtems_scheduler_ident(SCHEDULER_B, &scheduler_b_id); |
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132 | rtems_test_assert(sc == RTEMS_SUCCESSFUL); |
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133 | |
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134 | sc = rtems_task_create( |
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135 | SCHEDULER_B, |
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136 | 255, |
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137 | RTEMS_MINIMUM_STACK_SIZE, |
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138 | RTEMS_DEFAULT_MODES, |
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139 | RTEMS_DEFAULT_ATTRIBUTES, |
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140 | &task_id |
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141 | ); |
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142 | rtems_test_assert(sc == RTEMS_SUCCESSFUL); |
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143 | |
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144 | sc = rtems_task_set_scheduler(task_id, scheduler_b_id, 1); |
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145 | rtems_test_assert(sc == RTEMS_SUCCESSFUL); |
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146 | |
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147 | sc = rtems_task_start(task_id, timer_task, (rtems_task_argument) ctx); |
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148 | rtems_test_assert(sc == RTEMS_SUCCESSFUL); |
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149 | |
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150 | delay_clock_tick(ctx); |
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151 | |
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152 | sc = rtems_task_delete(task_id); |
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153 | rtems_test_assert(sc == RTEMS_SUCCESSFUL); |
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154 | } |
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155 | |
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156 | static void Init(rtems_task_argument arg) |
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157 | { |
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158 | rtems_resource_snapshot snapshot; |
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159 | |
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160 | TEST_BEGIN(); |
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161 | |
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162 | rtems_resource_snapshot_take(&snapshot); |
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163 | |
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164 | if (rtems_get_processor_count() == CPU_COUNT) { |
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165 | test(); |
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166 | } |
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167 | |
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168 | rtems_test_assert(rtems_resource_snapshot_check(&snapshot)); |
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169 | |
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170 | TEST_END(); |
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171 | rtems_test_exit(0); |
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172 | } |
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173 | |
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174 | #define CONFIGURE_APPLICATION_NEEDS_CLOCK_DRIVER |
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175 | #define CONFIGURE_APPLICATION_NEEDS_CONSOLE_DRIVER |
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176 | |
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177 | #define CONFIGURE_MAXIMUM_PROCESSORS CPU_COUNT |
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178 | |
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179 | #define CONFIGURE_SCHEDULER_SIMPLE_SMP |
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180 | |
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181 | #include <rtems/scheduler.h> |
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182 | |
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183 | RTEMS_SCHEDULER_CONTEXT_SIMPLE_SMP(a); |
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184 | RTEMS_SCHEDULER_CONTEXT_SIMPLE_SMP(b); |
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185 | |
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186 | #define CONFIGURE_SCHEDULER_CONTROLS \ |
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187 | RTEMS_SCHEDULER_CONTROL_SIMPLE_SMP(a, SCHEDULER_A), \ |
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188 | RTEMS_SCHEDULER_CONTROL_SIMPLE_SMP(b, SCHEDULER_B) |
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189 | |
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190 | #define CONFIGURE_SMP_SCHEDULER_ASSIGNMENTS \ |
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191 | RTEMS_SCHEDULER_ASSIGN(0, RTEMS_SCHEDULER_ASSIGN_PROCESSOR_MANDATORY), \ |
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192 | RTEMS_SCHEDULER_ASSIGN(1, RTEMS_SCHEDULER_ASSIGN_PROCESSOR_OPTIONAL) |
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193 | |
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194 | #define CONFIGURE_MAXIMUM_TASKS CPU_COUNT |
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195 | |
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196 | #define CONFIGURE_MAXIMUM_TIMERS 1 |
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197 | |
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198 | #define CONFIGURE_INITIAL_EXTENSIONS RTEMS_TEST_INITIAL_EXTENSION |
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199 | |
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200 | #define CONFIGURE_RTEMS_INIT_TASKS_TABLE |
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201 | |
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202 | #define CONFIGURE_INIT |
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203 | |
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204 | #include <rtems/confdefs.h> |
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