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[] = "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[2]; |
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34 | size_t task_index; |
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35 | int iteration_counter; |
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36 | } test_context; |
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37 | |
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38 | static test_context test_instance; |
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39 | |
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40 | static void validate_task(rtems_task_argument arg) |
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41 | { |
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42 | _CPU_Context_validate(arg); |
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43 | rtems_test_assert(0); |
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44 | } |
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45 | |
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46 | static void start_validate_task( |
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47 | rtems_id *id, |
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48 | uintptr_t pattern, |
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49 | rtems_task_priority priority |
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50 | ) |
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51 | { |
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52 | rtems_status_code sc; |
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53 | |
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54 | sc = rtems_task_create( |
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55 | rtems_build_name('V', 'A', 'L', 'I'), |
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56 | priority, |
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57 | RTEMS_MINIMUM_STACK_SIZE, |
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58 | RTEMS_DEFAULT_MODES, |
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59 | RTEMS_DEFAULT_ATTRIBUTES, |
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60 | id |
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61 | ); |
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62 | rtems_test_assert(sc == RTEMS_SUCCESSFUL); |
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63 | |
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64 | sc = rtems_task_start(*id, validate_task, pattern); |
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65 | rtems_test_assert(sc == RTEMS_SUCCESSFUL); |
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66 | } |
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67 | |
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68 | static void reset_timer_or_finish(test_context *self, rtems_id timer) |
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69 | { |
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70 | rtems_status_code sc; |
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71 | int i = self->iteration_counter; |
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72 | |
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73 | if (i < ITERATION_COUNT) { |
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74 | self->iteration_counter = i + 1; |
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75 | |
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76 | sc = rtems_timer_reset(timer); |
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77 | rtems_test_assert(sc == RTEMS_SUCCESSFUL); |
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78 | } else { |
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79 | sc = rtems_event_send(self->control_task, FINISH_EVENT); |
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80 | rtems_test_assert(sc == RTEMS_SUCCESSFUL); |
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81 | } |
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82 | } |
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83 | |
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84 | static void switch_priorities(test_context *self) |
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85 | { |
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86 | rtems_status_code sc; |
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87 | size_t index = self->task_index; |
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88 | size_t next = (index + 1) & 0x1; |
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89 | size_t task_high = index; |
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90 | size_t task_low = next; |
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91 | rtems_task_priority priority; |
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92 | |
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93 | self->task_index = next; |
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94 | |
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95 | sc = rtems_task_set_priority( |
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96 | self->validate_tasks[task_high], |
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97 | PRIORITY_HIGH, |
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98 | &priority |
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99 | ); |
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100 | rtems_test_assert(sc == RTEMS_SUCCESSFUL); |
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101 | |
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102 | sc = rtems_task_set_priority( |
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103 | self->validate_tasks[task_low], |
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104 | PRIORITY_LOW, |
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105 | &priority |
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106 | ); |
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107 | rtems_test_assert(sc == RTEMS_SUCCESSFUL); |
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108 | } |
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109 | |
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110 | static void clobber_and_switch_timer(rtems_id timer, void *arg) |
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111 | { |
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112 | uintptr_t pattern = (uintptr_t) 0xffffffffffffffffU; |
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113 | test_context *self = arg; |
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114 | |
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115 | reset_timer_or_finish(self, timer); |
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116 | switch_priorities(self); |
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117 | |
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118 | _CPU_Context_volatile_clobber(pattern); |
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119 | } |
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120 | |
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121 | static void start_timer(test_context *self) |
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122 | { |
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123 | rtems_status_code sc; |
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124 | rtems_id timer; |
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125 | |
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126 | sc = rtems_timer_create(rtems_build_name('C', 'L', 'S', 'W'), &timer); |
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127 | rtems_test_assert(sc == RTEMS_SUCCESSFUL); |
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128 | |
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129 | sc = rtems_timer_fire_after(timer, 2, clobber_and_switch_timer, self); |
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130 | rtems_test_assert(sc == RTEMS_SUCCESSFUL); |
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131 | } |
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132 | |
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133 | static void wait_for_finish(void) |
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134 | { |
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135 | rtems_status_code sc; |
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136 | rtems_event_set out; |
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137 | |
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138 | sc = rtems_event_receive( |
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139 | FINISH_EVENT, |
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140 | RTEMS_WAIT | RTEMS_EVENT_ALL, |
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141 | RTEMS_NO_TIMEOUT, |
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142 | &out |
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143 | ); |
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144 | rtems_test_assert(sc == RTEMS_SUCCESSFUL); |
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145 | rtems_test_assert(out == FINISH_EVENT); |
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146 | } |
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147 | |
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148 | static void test(test_context *self) |
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149 | { |
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150 | uintptr_t pattern_0 = (uintptr_t) 0xaaaaaaaaaaaaaaaaU; |
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151 | uintptr_t pattern_1 = (uintptr_t) 0x5555555555555555U; |
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152 | |
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153 | memset(self, 0, sizeof(*self)); |
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154 | |
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155 | self->control_task = rtems_task_self(); |
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156 | |
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157 | start_validate_task(&self->validate_tasks[0], pattern_0, PRIORITY_LOW); |
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158 | start_validate_task(&self->validate_tasks[1], pattern_1, PRIORITY_HIGH); |
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159 | start_timer(self); |
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160 | wait_for_finish(); |
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161 | } |
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162 | |
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163 | static void test_context_is_executing(void) |
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164 | { |
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165 | #if defined(RTEMS_SMP) |
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166 | /* |
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167 | * Provide a stack area, since on some architectures the top/bottom of stack |
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168 | * is initialized by _CPU_Context_Initialize(). |
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169 | */ |
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170 | static char stack[1024]; |
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171 | |
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172 | Context_Control context; |
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173 | bool is_executing; |
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174 | |
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175 | memset(&context, 0, sizeof(context)); |
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176 | |
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177 | is_executing = _CPU_Context_Get_is_executing(&context); |
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178 | rtems_test_assert(!is_executing); |
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179 | |
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180 | _CPU_Context_Set_is_executing(&context, true); |
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181 | is_executing = _CPU_Context_Get_is_executing(&context); |
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182 | rtems_test_assert(is_executing); |
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183 | |
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184 | _CPU_Context_Set_is_executing(&context, false); |
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185 | is_executing = _CPU_Context_Get_is_executing(&context); |
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186 | rtems_test_assert(!is_executing); |
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187 | |
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188 | _CPU_Context_Set_is_executing(&context, true); |
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189 | _CPU_Context_Initialize( |
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190 | &context, |
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191 | (void *) &stack[0], |
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192 | sizeof(stack), |
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193 | 0, |
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194 | NULL, |
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195 | false, |
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196 | NULL |
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197 | ); |
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198 | is_executing = _CPU_Context_Get_is_executing(&context); |
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199 | rtems_test_assert(is_executing); |
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200 | #endif |
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201 | } |
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202 | |
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203 | static void Init(rtems_task_argument arg) |
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204 | { |
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205 | test_context *self = &test_instance; |
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206 | |
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207 | TEST_BEGIN(); |
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208 | |
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209 | test_context_is_executing(); |
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210 | test(self); |
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211 | |
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212 | TEST_END(); |
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213 | |
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214 | rtems_test_exit(0); |
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215 | } |
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216 | |
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217 | #define CONFIGURE_MICROSECONDS_PER_TICK 1000 |
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218 | |
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219 | #define CONFIGURE_APPLICATION_NEEDS_CLOCK_DRIVER |
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220 | #define CONFIGURE_APPLICATION_NEEDS_CONSOLE_DRIVER |
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221 | |
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222 | #define CONFIGURE_MAXIMUM_TASKS 3 |
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223 | #define CONFIGURE_MAXIMUM_TIMERS 1 |
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224 | |
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225 | #define CONFIGURE_INITIAL_EXTENSIONS RTEMS_TEST_INITIAL_EXTENSION |
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226 | |
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227 | #define CONFIGURE_RTEMS_INIT_TASKS_TABLE |
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228 | |
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229 | #define CONFIGURE_INIT |
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230 | |
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231 | #include <rtems/confdefs.h> |
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