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 | #define TEST_INIT |
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20 | |
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21 | #include "tmacros.h" |
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22 | |
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23 | #include <stdio.h> |
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24 | #include <inttypes.h> |
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25 | |
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26 | const char rtems_test_name[] = "SMPSWITCHEXTENSION 1"; |
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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 TOGGLER_COUNT 2 |
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31 | |
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32 | #define EXTENSION_COUNT 3 |
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33 | |
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34 | #define PRIO_STOP 2 |
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35 | |
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36 | #define PRIO_SWITCH 3 |
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37 | |
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38 | #define PRIO_HIGH 4 |
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39 | |
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40 | #define PRIO_NORMAL 5 |
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41 | |
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42 | #define PRIO_LOW 6 |
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43 | |
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44 | typedef struct { |
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45 | uint32_t toggles; |
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46 | uint32_t unused_space_for_cache_line_alignment[7]; |
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47 | } test_toggler_counters; |
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48 | |
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49 | typedef struct { |
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50 | test_toggler_counters counters[TOGGLER_COUNT]; |
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51 | rtems_id toggler_ids[TOGGLER_COUNT]; |
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52 | rtems_id extension_ids[EXTENSION_COUNT]; |
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53 | uint32_t extension_switches; |
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54 | uint32_t context_switches[EXTENSION_COUNT]; |
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55 | } test_context; |
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56 | |
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57 | CPU_STRUCTURE_ALIGNMENT static test_context ctx_instance; |
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58 | |
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59 | static void switch_0(Thread_Control *executing, Thread_Control *heir) |
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60 | { |
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61 | test_context *ctx = &ctx_instance; |
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62 | |
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63 | (void) executing; |
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64 | (void) heir; |
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65 | |
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66 | ++ctx->context_switches[0]; |
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67 | } |
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68 | |
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69 | static void switch_1(Thread_Control *executing, Thread_Control *heir) |
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70 | { |
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71 | test_context *ctx = &ctx_instance; |
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72 | |
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73 | (void) executing; |
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74 | (void) heir; |
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75 | |
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76 | ++ctx->context_switches[1]; |
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77 | } |
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78 | |
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79 | static void switch_2(Thread_Control *executing, Thread_Control *heir) |
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80 | { |
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81 | test_context *ctx = &ctx_instance; |
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82 | |
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83 | (void) executing; |
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84 | (void) heir; |
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85 | |
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86 | ++ctx->context_switches[2]; |
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87 | } |
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88 | |
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89 | static const rtems_extensions_table extensions[EXTENSION_COUNT] = { |
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90 | { .thread_switch = switch_0 }, |
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91 | { .thread_switch = switch_1 }, |
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92 | { .thread_switch = switch_2 } |
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93 | }; |
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94 | |
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95 | static void toggler(rtems_task_argument self) |
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96 | { |
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97 | test_context *ctx = &ctx_instance; |
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98 | test_toggler_counters *counters = &ctx->counters[self]; |
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99 | |
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100 | while (true) { |
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101 | rtems_status_code sc; |
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102 | |
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103 | ++counters->toggles; |
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104 | |
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105 | sc = rtems_task_wake_after(RTEMS_YIELD_PROCESSOR); |
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106 | rtems_test_assert(sc == RTEMS_SUCCESSFUL); |
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107 | } |
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108 | } |
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109 | |
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110 | static void switcher(rtems_task_argument self) |
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111 | { |
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112 | test_context *ctx = &ctx_instance; |
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113 | |
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114 | while (true) { |
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115 | size_t ext_index; |
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116 | rtems_status_code sc; |
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117 | |
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118 | ++ctx->extension_switches; |
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119 | |
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120 | for (ext_index = 0; ext_index < EXTENSION_COUNT; ++ext_index) { |
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121 | sc = rtems_extension_create( |
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122 | rtems_build_name('E', 'X', 'T', (char) ('0' + ext_index)), |
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123 | &extensions[ext_index], |
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124 | &ctx->extension_ids[ext_index] |
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125 | ); |
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126 | rtems_test_assert(sc == RTEMS_SUCCESSFUL); |
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127 | } |
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128 | |
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129 | for (ext_index = 0; ext_index < EXTENSION_COUNT; ++ext_index) { |
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130 | sc = rtems_extension_delete(ctx->extension_ids[ext_index]); |
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131 | rtems_test_assert(sc == RTEMS_SUCCESSFUL); |
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132 | } |
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133 | } |
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134 | } |
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135 | |
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136 | static void stopper(rtems_task_argument arg) |
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137 | { |
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138 | (void) arg; |
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139 | |
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140 | while (true) { |
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141 | /* Do nothing */ |
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142 | } |
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143 | } |
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144 | |
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145 | static void test(void) |
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146 | { |
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147 | test_context *ctx = &ctx_instance; |
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148 | rtems_status_code sc; |
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149 | rtems_task_argument toggler_index; |
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150 | rtems_id stopper_id; |
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151 | rtems_id switcher_id; |
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152 | size_t ext_index; |
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153 | |
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154 | sc = rtems_task_create( |
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155 | rtems_build_name('S', 'T', 'O', 'P'), |
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156 | PRIO_STOP, |
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157 | RTEMS_MINIMUM_STACK_SIZE, |
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158 | RTEMS_DEFAULT_MODES, |
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159 | RTEMS_DEFAULT_ATTRIBUTES, |
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160 | &stopper_id |
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161 | ); |
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162 | rtems_test_assert(sc == RTEMS_SUCCESSFUL); |
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163 | |
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164 | sc = rtems_task_create( |
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165 | rtems_build_name('E', 'X', 'S', 'W'), |
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166 | PRIO_SWITCH, |
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167 | RTEMS_MINIMUM_STACK_SIZE, |
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168 | RTEMS_DEFAULT_MODES, |
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169 | RTEMS_DEFAULT_ATTRIBUTES, |
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170 | &switcher_id |
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171 | ); |
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172 | rtems_test_assert(sc == RTEMS_SUCCESSFUL); |
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173 | |
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174 | for (toggler_index = 0; toggler_index < TOGGLER_COUNT; ++toggler_index) { |
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175 | sc = rtems_task_create( |
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176 | rtems_build_name('T', 'O', 'G', (char) ('0' + toggler_index)), |
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177 | PRIO_NORMAL, |
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178 | RTEMS_MINIMUM_STACK_SIZE, |
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179 | RTEMS_DEFAULT_MODES, |
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180 | RTEMS_DEFAULT_ATTRIBUTES, |
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181 | &ctx->toggler_ids[toggler_index] |
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182 | ); |
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183 | rtems_test_assert(sc == RTEMS_SUCCESSFUL); |
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184 | } |
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185 | |
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186 | for (toggler_index = 0; toggler_index < TOGGLER_COUNT; ++toggler_index) { |
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187 | sc = rtems_task_start(ctx->toggler_ids[toggler_index], toggler, toggler_index); |
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188 | rtems_test_assert(sc == RTEMS_SUCCESSFUL); |
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189 | } |
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190 | |
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191 | sc = rtems_task_start(switcher_id, switcher, 0); |
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192 | rtems_test_assert(sc == RTEMS_SUCCESSFUL); |
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193 | |
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194 | sc = rtems_task_wake_after(10 * rtems_clock_get_ticks_per_second()); |
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195 | rtems_test_assert(sc == RTEMS_SUCCESSFUL); |
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196 | |
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197 | sc = rtems_task_start(stopper_id, stopper, 0); |
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198 | rtems_test_assert(sc == RTEMS_SUCCESSFUL); |
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199 | |
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200 | for (toggler_index = 0; toggler_index < TOGGLER_COUNT; ++toggler_index) { |
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201 | test_toggler_counters *counters = &ctx->counters[toggler_index]; |
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202 | |
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203 | printf( |
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204 | "toggler %" PRIuPTR "\n" |
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205 | "\ttoggles %" PRIu32 "\n", |
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206 | toggler_index, |
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207 | counters->toggles |
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208 | ); |
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209 | } |
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210 | |
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211 | for (ext_index = 0; ext_index < EXTENSION_COUNT; ++ext_index) { |
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212 | printf( |
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213 | "extension %" PRIuPTR "\n" |
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214 | "\tcontext switches %" PRIu32 "\n", |
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215 | ext_index, |
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216 | ctx->context_switches[ext_index] |
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217 | ); |
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218 | } |
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219 | |
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220 | printf( |
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221 | "extension switches %" PRIu32 "\n", |
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222 | ctx->extension_switches |
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223 | ); |
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224 | } |
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225 | |
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226 | static void Init(rtems_task_argument arg) |
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227 | { |
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228 | TEST_BEGIN(); |
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229 | |
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230 | if (rtems_get_processor_count() >= 2) { |
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231 | test(); |
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232 | } |
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233 | |
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234 | TEST_END(); |
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235 | rtems_test_exit(0); |
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236 | } |
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237 | |
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238 | #define CONFIGURE_APPLICATION_NEEDS_CLOCK_DRIVER |
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239 | #define CONFIGURE_APPLICATION_NEEDS_CONSOLE_DRIVER |
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240 | |
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241 | #define CONFIGURE_MAXIMUM_PROCESSORS CPU_COUNT |
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242 | |
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243 | #define CONFIGURE_MAXIMUM_TASKS (3 + TOGGLER_COUNT) |
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244 | |
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245 | #define CONFIGURE_MAXIMUM_USER_EXTENSIONS EXTENSION_COUNT |
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246 | |
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247 | #define CONFIGURE_INITIAL_EXTENSIONS RTEMS_TEST_INITIAL_EXTENSION |
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248 | |
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249 | #define CONFIGURE_RTEMS_INIT_TASKS_TABLE |
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250 | |
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251 | #define CONFIGURE_INIT |
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252 | |
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253 | #include <rtems/confdefs.h> |
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