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.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 | const char rtems_test_name[] = "SMPSIGNAL 1"; |
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22 | |
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23 | #define TEST_SIGNAL RTEMS_SIGNAL_0 |
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24 | |
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25 | typedef enum { |
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26 | SIG_0_READY, |
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27 | SIG_0_SENT, |
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28 | SIG_0_ENABLE, |
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29 | SIG_0_PROCESSED, |
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30 | SIG_1_READY, |
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31 | SIG_1_SENT, |
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32 | SIG_1_PROCESSED |
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33 | } test_state; |
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34 | |
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35 | typedef struct { |
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36 | test_state state; |
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37 | rtems_id consumer; |
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38 | rtems_id producer; |
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39 | uint32_t consumer_processor; |
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40 | uint32_t producer_processor; |
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41 | } test_context; |
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42 | |
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43 | static void change_state(test_context *ctx, test_state new_state) |
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44 | { |
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45 | ctx->state = new_state; |
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46 | _CPU_SMP_Processor_event_broadcast(); |
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47 | } |
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48 | |
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49 | static void wait_for_state(const test_context *ctx, test_state desired_state) |
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50 | { |
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51 | while ( ctx->state != desired_state ) { |
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52 | _CPU_SMP_Processor_event_receive(); |
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53 | } |
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54 | } |
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55 | |
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56 | static test_context ctx_instance = { |
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57 | .state = SIG_0_READY |
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58 | }; |
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59 | |
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60 | static void signal_handler(rtems_signal_set signal) |
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61 | { |
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62 | test_context *ctx = &ctx_instance; |
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63 | |
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64 | switch (ctx->state) { |
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65 | case SIG_0_ENABLE: |
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66 | change_state(ctx, SIG_0_PROCESSED); |
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67 | break; |
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68 | case SIG_1_SENT: |
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69 | change_state(ctx, SIG_1_PROCESSED); |
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70 | break; |
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71 | default: |
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72 | rtems_test_assert(0); |
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73 | } |
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74 | } |
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75 | |
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76 | static void signal_send(test_context *ctx, test_state new_state) |
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77 | { |
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78 | rtems_status_code sc; |
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79 | |
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80 | sc = rtems_signal_send(ctx->consumer, TEST_SIGNAL); |
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81 | rtems_test_assert(sc == RTEMS_SUCCESSFUL); |
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82 | |
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83 | change_state(ctx, new_state); |
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84 | } |
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85 | |
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86 | static void check_consumer_processor(const test_context *ctx) |
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87 | { |
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88 | rtems_test_assert( |
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89 | ctx->consumer_processor == rtems_smp_get_current_processor() |
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90 | ); |
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91 | } |
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92 | |
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93 | static void check_producer_processor(const test_context *ctx) |
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94 | { |
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95 | rtems_test_assert( |
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96 | ctx->producer_processor == rtems_smp_get_current_processor() |
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97 | ); |
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98 | } |
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99 | |
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100 | static void producer(rtems_task_argument arg) |
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101 | { |
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102 | test_context *ctx = (test_context *) arg; |
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103 | |
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104 | ctx->producer_processor = rtems_smp_get_current_processor(); |
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105 | |
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106 | rtems_test_assert(ctx->consumer_processor != ctx->producer_processor); |
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107 | |
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108 | wait_for_state(ctx, SIG_0_READY); |
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109 | signal_send(ctx, SIG_0_SENT); |
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110 | |
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111 | check_producer_processor(ctx); |
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112 | |
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113 | wait_for_state(ctx, SIG_1_READY); |
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114 | signal_send(ctx, SIG_1_SENT); |
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115 | |
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116 | check_producer_processor(ctx); |
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117 | |
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118 | rtems_task_suspend(RTEMS_SELF); |
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119 | rtems_test_assert(0); |
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120 | } |
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121 | |
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122 | static void test(void) |
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123 | { |
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124 | test_context *ctx = &ctx_instance; |
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125 | rtems_status_code sc; |
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126 | rtems_mode mode; |
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127 | |
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128 | ctx->consumer = rtems_task_self(); |
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129 | ctx->consumer_processor = rtems_smp_get_current_processor(); |
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130 | |
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131 | sc = rtems_signal_catch(signal_handler, RTEMS_DEFAULT_MODES); |
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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 | rtems_build_name('P', 'R', 'O', 'D'), |
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136 | RTEMS_MINIMUM_PRIORITY, |
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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 | &ctx->producer |
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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_start(ctx->producer, producer, (rtems_task_argument) ctx); |
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145 | rtems_test_assert(sc == RTEMS_SUCCESSFUL); |
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146 | |
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147 | check_consumer_processor(ctx); |
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148 | |
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149 | wait_for_state(ctx, SIG_0_SENT); |
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150 | change_state(ctx, SIG_0_ENABLE); |
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151 | |
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152 | sc = rtems_task_mode(RTEMS_ASR, RTEMS_ASR_MASK, &mode); |
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153 | rtems_test_assert(sc == RTEMS_SUCCESSFUL); |
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154 | |
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155 | wait_for_state(ctx, SIG_0_PROCESSED); |
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156 | |
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157 | check_consumer_processor(ctx); |
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158 | |
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159 | change_state(ctx, SIG_1_READY); |
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160 | wait_for_state(ctx, SIG_1_PROCESSED); |
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161 | |
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162 | check_consumer_processor(ctx); |
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163 | } |
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164 | |
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165 | static void Init(rtems_task_argument arg) |
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166 | { |
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167 | TEST_BEGIN(); |
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168 | |
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169 | if (rtems_smp_get_processor_count() >= 2) { |
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170 | test(); |
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171 | } |
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172 | |
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173 | TEST_END(); |
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174 | rtems_test_exit(0); |
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175 | } |
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176 | |
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177 | #define CONFIGURE_APPLICATION_NEEDS_CLOCK_DRIVER |
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178 | #define CONFIGURE_APPLICATION_NEEDS_CONSOLE_DRIVER |
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179 | |
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180 | #define CONFIGURE_SMP_APPLICATION |
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181 | |
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182 | #define CONFIGURE_SMP_MAXIMUM_PROCESSORS 2 |
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183 | |
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184 | #define CONFIGURE_MAXIMUM_TASKS 2 |
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185 | |
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186 | #define CONFIGURE_INITIAL_EXTENSIONS RTEMS_TEST_INITIAL_EXTENSION |
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187 | |
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188 | #define CONFIGURE_RTEMS_INIT_TASKS_TABLE |
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189 | |
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190 | #define CONFIGURE_INIT_TASK_INITIAL_MODES RTEMS_NO_ASR |
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191 | |
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192 | #define CONFIGURE_INIT |
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193 | |
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194 | #include <rtems/confdefs.h> |
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