1 | /* |
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2 | * Copyright (c) 2013-2015 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[] = "SPCONTEXT 1"; |
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22 | |
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23 | #define ITERATION_COUNT 2000 |
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24 | |
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25 | #define PRIORITY_HIGH 2 |
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26 | |
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27 | #define PRIORITY_LOW 3 |
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28 | |
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29 | #define FINISH_EVENT RTEMS_EVENT_0 |
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30 | |
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31 | typedef struct { |
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32 | rtems_id control_task; |
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33 | rtems_id validate_tasks[3]; |
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34 | rtems_id timer; |
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35 | size_t task_index; |
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36 | int iteration_counter; |
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37 | } test_context; |
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38 | |
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39 | static test_context test_instance; |
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40 | |
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41 | static void validate_task(rtems_task_argument arg) |
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42 | { |
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43 | _CPU_Context_validate(arg); |
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44 | rtems_test_assert(0); |
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45 | } |
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46 | |
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47 | static void start_validate_task( |
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48 | rtems_id *id, |
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49 | uintptr_t pattern, |
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50 | rtems_task_priority priority, |
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51 | bool fp_unit |
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52 | ) |
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53 | { |
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54 | rtems_status_code sc; |
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55 | rtems_attribute fpu_state; |
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56 | |
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57 | fpu_state = fp_unit ? RTEMS_FLOATING_POINT : RTEMS_DEFAULT_ATTRIBUTES; |
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58 | |
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59 | sc = rtems_task_create( |
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60 | rtems_build_name('V', 'A', 'L', 'I'), |
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61 | priority, |
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62 | RTEMS_MINIMUM_STACK_SIZE, |
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63 | RTEMS_DEFAULT_MODES, |
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64 | fpu_state, |
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65 | id |
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66 | ); |
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67 | rtems_test_assert(sc == RTEMS_SUCCESSFUL); |
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68 | |
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69 | sc = rtems_task_start(*id, validate_task, pattern); |
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70 | rtems_test_assert(sc == RTEMS_SUCCESSFUL); |
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71 | } |
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72 | |
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73 | static void reset_timer_or_finish(test_context *self, rtems_id timer) |
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74 | { |
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75 | rtems_status_code sc; |
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76 | int i = self->iteration_counter; |
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77 | |
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78 | if (i < ITERATION_COUNT) { |
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79 | self->iteration_counter = i + 1; |
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80 | |
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81 | sc = rtems_timer_reset(timer); |
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82 | rtems_test_assert(sc == RTEMS_SUCCESSFUL); |
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83 | } else { |
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84 | sc = rtems_event_send(self->control_task, FINISH_EVENT); |
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85 | rtems_test_assert(sc == RTEMS_SUCCESSFUL); |
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86 | } |
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87 | } |
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88 | |
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89 | static void switch_priorities(test_context *self) |
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90 | { |
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91 | rtems_status_code sc; |
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92 | size_t index = self->task_index; |
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93 | size_t next = (index + 1) % RTEMS_ARRAY_SIZE(self->validate_tasks); |
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94 | size_t task_current_high = index; |
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95 | size_t task_next_high = next; |
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96 | rtems_task_priority priority; |
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97 | |
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98 | self->task_index = next; |
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99 | |
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100 | sc = rtems_task_set_priority( |
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101 | self->validate_tasks[task_next_high], |
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102 | PRIORITY_HIGH, |
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103 | &priority |
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104 | ); |
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105 | rtems_test_assert(sc == RTEMS_SUCCESSFUL); |
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106 | |
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107 | sc = rtems_task_set_priority( |
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108 | self->validate_tasks[task_current_high], |
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109 | PRIORITY_LOW, |
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110 | &priority |
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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 | |
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115 | static void clobber_and_switch_timer(rtems_id timer, void *arg) |
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116 | { |
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117 | uintptr_t pattern = (uintptr_t) 0xffffffffffffffffU; |
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118 | test_context *self = arg; |
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119 | |
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120 | reset_timer_or_finish(self, self->timer); |
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121 | switch_priorities(self); |
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122 | |
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123 | _CPU_Context_volatile_clobber(pattern); |
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124 | } |
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125 | |
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126 | static void start_timer(test_context *self) |
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127 | { |
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128 | rtems_status_code sc; |
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129 | |
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130 | sc = rtems_timer_create(rtems_build_name('C', 'L', 'S', 'W'), &self->timer); |
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131 | rtems_test_assert(sc == RTEMS_SUCCESSFUL); |
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132 | |
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133 | sc = rtems_timer_fire_after(self->timer, 2, clobber_and_switch_timer, self); |
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134 | rtems_test_assert(sc == RTEMS_SUCCESSFUL); |
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135 | } |
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136 | |
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137 | static void wait_for_finish(void) |
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138 | { |
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139 | rtems_status_code sc; |
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140 | rtems_event_set out; |
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141 | |
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142 | sc = rtems_event_receive( |
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143 | FINISH_EVENT, |
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144 | RTEMS_WAIT | RTEMS_EVENT_ALL, |
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145 | RTEMS_NO_TIMEOUT, |
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146 | &out |
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147 | ); |
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148 | rtems_test_assert(sc == RTEMS_SUCCESSFUL); |
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149 | rtems_test_assert(out == FINISH_EVENT); |
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150 | } |
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151 | |
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152 | static void test( |
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153 | test_context *self, |
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154 | bool task_0_fpu, |
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155 | bool task_1_fpu, |
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156 | bool task_2_fpu |
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157 | ) |
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158 | { |
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159 | rtems_status_code sc; |
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160 | uintptr_t pattern_0 = (uintptr_t) 0xaaaaaaaaaaaaaaaaU; |
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161 | uintptr_t pattern_1 = (uintptr_t) 0x5555555555555555U; |
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162 | uintptr_t pattern_2 = (uintptr_t) 0x0000000000000000U; |
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163 | |
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164 | memset(self, 0, sizeof(*self)); |
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165 | |
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166 | self->control_task = rtems_task_self(); |
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167 | start_validate_task( |
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168 | &self->validate_tasks[0], |
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169 | pattern_0, |
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170 | PRIORITY_HIGH, |
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171 | task_0_fpu |
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172 | ); |
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173 | start_validate_task( |
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174 | &self->validate_tasks[1], |
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175 | pattern_1, |
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176 | PRIORITY_LOW, |
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177 | task_1_fpu |
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178 | ); |
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179 | start_validate_task( |
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180 | &self->validate_tasks[2], |
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181 | pattern_2, |
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182 | PRIORITY_LOW, |
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183 | task_2_fpu |
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184 | ); |
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185 | start_timer(self); |
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186 | wait_for_finish(); |
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187 | |
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188 | sc = rtems_task_delete(self->validate_tasks[0]); |
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189 | rtems_test_assert(sc == RTEMS_SUCCESSFUL); |
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190 | |
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191 | sc = rtems_task_delete(self->validate_tasks[1]); |
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192 | rtems_test_assert(sc == RTEMS_SUCCESSFUL); |
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193 | |
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194 | sc = rtems_task_delete(self->validate_tasks[2]); |
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195 | rtems_test_assert(sc == RTEMS_SUCCESSFUL); |
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196 | |
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197 | sc = rtems_timer_delete(self->timer); |
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198 | rtems_test_assert(sc == RTEMS_SUCCESSFUL); |
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199 | } |
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200 | |
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201 | static void test_context_is_executing(void) |
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202 | { |
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203 | #if defined(RTEMS_SMP) |
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204 | /* |
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205 | * Provide a stack area, since on some architectures the top/bottom of stack |
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206 | * is initialized by _CPU_Context_Initialize(). |
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207 | */ |
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208 | static char stack[1024]; |
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209 | |
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210 | Context_Control context; |
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211 | bool is_executing; |
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212 | |
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213 | memset(&context, 0, sizeof(context)); |
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214 | |
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215 | is_executing = _CPU_Context_Get_is_executing(&context); |
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216 | rtems_test_assert(!is_executing); |
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217 | |
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218 | _CPU_Context_Set_is_executing(&context, true); |
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219 | is_executing = _CPU_Context_Get_is_executing(&context); |
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220 | rtems_test_assert(is_executing); |
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221 | |
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222 | _CPU_Context_Set_is_executing(&context, false); |
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223 | is_executing = _CPU_Context_Get_is_executing(&context); |
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224 | rtems_test_assert(!is_executing); |
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225 | |
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226 | _CPU_Context_Set_is_executing(&context, true); |
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227 | _CPU_Context_Initialize( |
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228 | &context, |
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229 | (void *) &stack[0], |
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230 | sizeof(stack), |
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231 | 0, |
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232 | NULL, |
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233 | false, |
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234 | NULL |
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235 | ); |
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236 | is_executing = _CPU_Context_Get_is_executing(&context); |
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237 | rtems_test_assert(is_executing); |
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238 | #endif |
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239 | } |
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240 | |
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241 | static bool is_fp(int i) |
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242 | { |
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243 | return i != 0; |
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244 | } |
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245 | |
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246 | static const char *desc(int i) |
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247 | { |
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248 | return is_fp(i) ? "F" : "N"; |
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249 | } |
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250 | |
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251 | static void Init(rtems_task_argument arg) |
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252 | { |
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253 | test_context *self = &test_instance; |
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254 | int i; |
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255 | int j; |
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256 | int k; |
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257 | |
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258 | TEST_BEGIN(); |
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259 | |
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260 | test_context_is_executing(); |
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261 | |
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262 | for (i = 0; i < 2; ++i) { |
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263 | for (j = 0; j < 2; ++j) { |
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264 | for (k = 0; k < 2; ++k) { |
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265 | printf("Test configuration %s %s %s... ", desc(i), desc(j), desc(k)); |
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266 | test(self, is_fp(i), is_fp(j), is_fp(k)); |
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267 | printf("done\n"); |
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268 | } |
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269 | } |
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270 | } |
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271 | |
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272 | TEST_END(); |
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273 | |
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274 | rtems_test_exit(0); |
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275 | } |
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276 | |
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277 | #define CONFIGURE_MICROSECONDS_PER_TICK 1000 |
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278 | |
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279 | #define CONFIGURE_APPLICATION_NEEDS_CLOCK_DRIVER |
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280 | #define CONFIGURE_APPLICATION_NEEDS_CONSOLE_DRIVER |
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281 | |
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282 | #define CONFIGURE_MAXIMUM_TASKS 4 |
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283 | #define CONFIGURE_MAXIMUM_TIMERS 1 |
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284 | |
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285 | #define CONFIGURE_INITIAL_EXTENSIONS RTEMS_TEST_INITIAL_EXTENSION |
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286 | |
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287 | #define CONFIGURE_RTEMS_INIT_TASKS_TABLE |
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288 | |
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289 | #define CONFIGURE_INIT |
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290 | |
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291 | #include <rtems/confdefs.h> |
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