1 | /* |
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2 | * COPYRIGHT (c) 1989-2011. |
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3 | * On-Line Applications Research Corporation (OAR). |
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4 | * |
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5 | * The license and distribution terms for this file may be |
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6 | * found in the file LICENSE in this distribution or at |
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7 | * http://www.rtems.com/license/LICENSE. |
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8 | * |
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9 | * $Id$ |
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10 | */ |
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11 | |
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12 | #ifdef HAVE_CONFIG_H |
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13 | #include "config.h" |
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14 | #endif |
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15 | |
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16 | #define CONFIGURE_INIT |
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17 | #define __RTEMS_VIOLATE_KERNEL_VISIBILITY__ |
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18 | #include <rtems.h> |
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19 | #include "system.h" |
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20 | #include "fptest.h" |
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21 | #include <coverhd.h> |
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22 | #include <tmacros.h> |
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23 | #include <timesys.h> |
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24 | |
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25 | |
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26 | /* TEST DATA */ |
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27 | rtems_id Semaphore_id; |
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28 | |
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29 | Objects_Locations location; /* uses internal RTEMS type */ |
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30 | |
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31 | Thread_Control *Middle_tcb; /* uses internal RTEMS type */ |
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32 | |
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33 | Thread_Control *Low_tcb; /* uses internal RTEMS type */ |
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34 | |
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35 | /* |
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36 | * Variables to hold execution times until they are printed |
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37 | * at the end of the test. |
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38 | */ |
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39 | |
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40 | uint32_t isr_disable_time; |
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41 | uint32_t isr_flash_time; |
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42 | uint32_t isr_enable_time; |
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43 | uint32_t thread_disable_dispatch_time; |
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44 | uint32_t thread_enable_dispatch_time; |
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45 | uint32_t thread_set_state_time; |
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46 | uint32_t thread_dispatch_no_fp_time; |
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47 | uint32_t context_switch_no_fp_time; |
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48 | uint32_t context_switch_self_time; |
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49 | uint32_t context_switch_another_task_time; |
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50 | uint32_t context_switch_restore_1st_fp_time; |
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51 | uint32_t context_switch_save_idle_restore_initted_time; |
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52 | uint32_t context_switch_save_restore_idle_time; |
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53 | uint32_t context_switch_save_restore_initted_time; |
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54 | uint32_t thread_resume_time; |
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55 | uint32_t thread_unblock_time; |
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56 | uint32_t thread_ready_time; |
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57 | uint32_t thread_get_time; |
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58 | uint32_t semaphore_get_time; |
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59 | uint32_t thread_get_invalid_time; |
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60 | |
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61 | rtems_task null_task( |
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62 | rtems_task_argument argument |
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63 | ); |
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64 | |
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65 | rtems_task High_task( |
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66 | rtems_task_argument argument |
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67 | ); |
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68 | |
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69 | rtems_task Middle_task( |
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70 | rtems_task_argument argument |
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71 | ); |
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72 | |
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73 | rtems_task Low_task( |
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74 | rtems_task_argument argument |
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75 | ); |
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76 | |
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77 | rtems_task Floating_point_task_1( |
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78 | rtems_task_argument argument |
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79 | ); |
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80 | |
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81 | rtems_task Floating_point_task_2( |
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82 | rtems_task_argument argument |
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83 | ); |
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84 | |
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85 | void complete_test( void ); |
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86 | |
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87 | rtems_task null_task( |
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88 | rtems_task_argument argument |
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89 | ) |
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90 | { |
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91 | } |
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92 | |
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93 | rtems_task Init( |
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94 | rtems_task_argument argument |
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95 | ) |
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96 | { |
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97 | uint32_t index; |
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98 | rtems_id task_id; |
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99 | rtems_status_code status; |
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100 | |
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101 | Print_Warning(); |
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102 | |
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103 | puts( "\n\n*** TIME TEST 26 ***" ); |
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104 | |
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105 | #define FP1_PRIORITY (RTEMS_MAXIMUM_PRIORITY - 3u) /* 201, */ |
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106 | status = rtems_task_create( |
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107 | rtems_build_name( 'F', 'P', '1', ' ' ), |
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108 | FP1_PRIORITY, |
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109 | RTEMS_MINIMUM_STACK_SIZE, |
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110 | RTEMS_DEFAULT_MODES, |
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111 | RTEMS_FLOATING_POINT, |
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112 | &task_id |
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113 | ); |
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114 | directive_failed( status, "rtems_task_create of FP1" ); |
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115 | |
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116 | status = rtems_task_start( task_id, Floating_point_task_1, 0 ); |
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117 | directive_failed( status, "rtems_task_start of FP1" ); |
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118 | |
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119 | #define FP2_PRIORITY (RTEMS_MAXIMUM_PRIORITY - 2u) /* 202, */ |
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120 | status = rtems_task_create( |
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121 | rtems_build_name( 'F', 'P', '2', ' ' ), |
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122 | FP2_PRIORITY, |
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123 | RTEMS_MINIMUM_STACK_SIZE, |
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124 | RTEMS_DEFAULT_MODES, |
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125 | RTEMS_FLOATING_POINT, |
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126 | &task_id |
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127 | ); |
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128 | directive_failed( status, "rtems_task_create of FP2" ); |
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129 | |
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130 | status = rtems_task_start( task_id, Floating_point_task_2, 0 ); |
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131 | directive_failed( status, "rtems_task_start of FP2" ); |
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132 | |
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133 | #define LOW_PRIORITY (RTEMS_MAXIMUM_PRIORITY - 4u) /* 200, */ |
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134 | status = rtems_task_create( |
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135 | rtems_build_name( 'L', 'O', 'W', ' ' ), |
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136 | LOW_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 | &task_id |
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141 | ); |
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142 | directive_failed( status, "rtems_task_create of LOW" ); |
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143 | |
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144 | status = rtems_task_start( task_id, Low_task, 0 ); |
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145 | directive_failed( status, "rtems_task_start of LOW" ); |
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146 | |
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147 | #define MIDDLE_PRIORITY (RTEMS_MAXIMUM_PRIORITY - 5u) /* 128, */ |
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148 | status = rtems_task_create( |
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149 | rtems_build_name( 'M', 'I', 'D', ' ' ), |
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150 | MIDDLE_PRIORITY, |
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151 | RTEMS_MINIMUM_STACK_SIZE, |
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152 | RTEMS_DEFAULT_MODES, |
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153 | RTEMS_DEFAULT_ATTRIBUTES, |
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154 | &task_id |
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155 | ); |
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156 | directive_failed( status, "rtems_task_create of MIDDLE" ); |
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157 | |
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158 | status = rtems_task_start( task_id, Middle_task, 0 ); |
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159 | directive_failed( status, "rtems_task_start of MIDDLE" ); |
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160 | |
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161 | status = rtems_task_create( |
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162 | rtems_build_name( 'H', 'I', 'G', 'H' ), |
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163 | 5, |
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164 | RTEMS_MINIMUM_STACK_SIZE, |
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165 | RTEMS_DEFAULT_MODES, |
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166 | RTEMS_DEFAULT_ATTRIBUTES, |
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167 | &task_id |
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168 | ); |
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169 | directive_failed( status, "rtems_task_create of HIGH" ); |
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170 | |
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171 | status = rtems_task_start( task_id, High_task, 0 ); |
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172 | directive_failed( status, "rtems_task_start of HIGH" ); |
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173 | |
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174 | status = rtems_semaphore_create( |
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175 | rtems_build_name( 'S', 'E', 'M', '1' ), |
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176 | OPERATION_COUNT, |
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177 | RTEMS_DEFAULT_ATTRIBUTES, |
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178 | RTEMS_NO_PRIORITY, |
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179 | &Semaphore_id |
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180 | ); |
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181 | directive_failed( status, "rtems_semaphore_create" ); |
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182 | |
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183 | for ( index = 1 ; index <= OPERATION_COUNT ; index++ ) { |
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184 | status = rtems_task_create( |
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185 | rtems_build_name( 'N', 'U', 'L', 'L' ), |
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186 | RTEMS_MAXIMUM_PRIORITY - 1u, /* 254, */ |
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187 | RTEMS_MINIMUM_STACK_SIZE, |
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188 | RTEMS_DEFAULT_MODES, |
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189 | RTEMS_DEFAULT_ATTRIBUTES, |
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190 | &task_id |
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191 | ); |
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192 | directive_failed( status, "rtems_task_create LOOP" ); |
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193 | |
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194 | status = rtems_task_start( task_id, null_task, 0 ); |
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195 | directive_failed( status, "rtems_task_start LOOP" ); |
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196 | } |
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197 | |
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198 | status = rtems_task_delete( RTEMS_SELF ); |
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199 | directive_failed( status, "rtems_task_delete of RTEMS_SELF" ); |
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200 | } |
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201 | |
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202 | rtems_task High_task( |
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203 | rtems_task_argument argument |
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204 | ) |
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205 | { |
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206 | rtems_interrupt_level level; |
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207 | |
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208 | benchmark_timer_initialize(); |
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209 | rtems_interrupt_disable( level ); |
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210 | isr_disable_time = benchmark_timer_read(); |
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211 | |
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212 | benchmark_timer_initialize(); |
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213 | rtems_interrupt_flash( level ); |
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214 | isr_flash_time = benchmark_timer_read(); |
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215 | |
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216 | benchmark_timer_initialize(); |
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217 | rtems_interrupt_enable( level ); |
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218 | isr_enable_time = benchmark_timer_read(); |
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219 | |
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220 | benchmark_timer_initialize(); |
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221 | _Thread_Disable_dispatch(); |
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222 | thread_disable_dispatch_time = benchmark_timer_read(); |
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223 | |
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224 | benchmark_timer_initialize(); |
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225 | _Thread_Enable_dispatch(); |
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226 | thread_enable_dispatch_time = benchmark_timer_read(); |
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227 | |
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228 | benchmark_timer_initialize(); |
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229 | _Thread_Set_state( _Thread_Executing, STATES_SUSPENDED ); |
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230 | thread_set_state_time = benchmark_timer_read(); |
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231 | |
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232 | _Thread_Dispatch_necessary = true; |
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233 | |
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234 | benchmark_timer_initialize(); |
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235 | _Thread_Dispatch(); /* dispatches Middle_task */ |
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236 | } |
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237 | |
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238 | rtems_task Middle_task( |
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239 | rtems_task_argument argument |
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240 | ) |
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241 | { |
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242 | Chain_Control *ready_queues; |
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243 | |
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244 | thread_dispatch_no_fp_time = benchmark_timer_read(); |
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245 | |
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246 | _Thread_Set_state( _Thread_Executing, STATES_SUSPENDED ); |
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247 | |
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248 | Middle_tcb = _Thread_Executing; |
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249 | |
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250 | ready_queues = (Chain_Control *) _Scheduler.information; |
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251 | _Thread_Executing = |
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252 | (Thread_Control *) _Chain_First(&ready_queues[LOW_PRIORITY]); |
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253 | |
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254 | /* do not force context switch */ |
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255 | |
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256 | _Thread_Dispatch_necessary = false; |
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257 | |
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258 | _Thread_Disable_dispatch(); |
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259 | |
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260 | benchmark_timer_initialize(); |
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261 | _Context_Switch( &Middle_tcb->Registers, &_Thread_Executing->Registers ); |
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262 | |
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263 | benchmark_timer_initialize(); |
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264 | _Context_Switch(&Middle_tcb->Registers, &Low_tcb->Registers); |
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265 | } |
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266 | |
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267 | rtems_task Low_task( |
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268 | rtems_task_argument argument |
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269 | ) |
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270 | { |
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271 | Thread_Control *executing; |
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272 | Chain_Control *ready_queues; |
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273 | |
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274 | ready_queues = (Chain_Control *) _Scheduler.information; |
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275 | |
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276 | context_switch_no_fp_time = benchmark_timer_read(); |
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277 | |
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278 | executing = _Thread_Executing; |
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279 | |
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280 | Low_tcb = executing; |
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281 | |
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282 | benchmark_timer_initialize(); |
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283 | _Context_Switch( &executing->Registers, &executing->Registers ); |
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284 | |
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285 | context_switch_self_time = benchmark_timer_read(); |
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286 | |
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287 | _Context_Switch(&executing->Registers, &Middle_tcb->Registers); |
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288 | |
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289 | context_switch_another_task_time = benchmark_timer_read(); |
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290 | |
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291 | _Thread_Executing = |
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292 | (Thread_Control *) _Chain_First(&ready_queues[FP1_PRIORITY]); |
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293 | |
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294 | /* do not force context switch */ |
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295 | |
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296 | _Thread_Dispatch_necessary = false; |
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297 | |
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298 | _Thread_Disable_dispatch(); |
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299 | |
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300 | benchmark_timer_initialize(); |
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301 | #if (CPU_HARDWARE_FP == 1) || (CPU_SOFTWARE_FP == 1) |
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302 | _Context_Restore_fp( &_Thread_Executing->fp_context ); |
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303 | #endif |
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304 | _Context_Switch( &executing->Registers, &_Thread_Executing->Registers ); |
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305 | } |
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306 | |
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307 | rtems_task Floating_point_task_1( |
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308 | rtems_task_argument argument |
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309 | ) |
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310 | { |
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311 | Chain_Control *ready_queues; |
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312 | Thread_Control *executing; |
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313 | FP_DECLARE; |
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314 | |
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315 | context_switch_restore_1st_fp_time = benchmark_timer_read(); |
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316 | |
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317 | executing = _Thread_Executing; |
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318 | |
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319 | ready_queues = (Chain_Control *) _Scheduler.information; |
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320 | _Thread_Executing = |
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321 | (Thread_Control *) _Chain_First(&ready_queues[FP2_PRIORITY]); |
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322 | |
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323 | /* do not force context switch */ |
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324 | |
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325 | _Thread_Dispatch_necessary = false; |
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326 | |
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327 | _Thread_Disable_dispatch(); |
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328 | |
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329 | benchmark_timer_initialize(); |
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330 | #if (CPU_HARDWARE_FP == 1) || (CPU_SOFTWARE_FP == 1) |
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331 | _Context_Save_fp( &executing->fp_context ); |
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332 | _Context_Restore_fp( &_Thread_Executing->fp_context ); |
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333 | #endif |
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334 | _Context_Switch( &executing->Registers, &_Thread_Executing->Registers ); |
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335 | /* switch to Floating_point_task_2 */ |
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336 | |
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337 | context_switch_save_idle_restore_initted_time = benchmark_timer_read(); |
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338 | |
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339 | FP_LOAD( 1.0 ); |
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340 | |
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341 | executing = _Thread_Executing; |
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342 | |
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343 | ready_queues = (Chain_Control *) _Scheduler.information; |
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344 | _Thread_Executing = |
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345 | (Thread_Control *) _Chain_First(&ready_queues[FP2_PRIORITY]); |
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346 | |
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347 | /* do not force context switch */ |
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348 | |
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349 | _Thread_Dispatch_necessary = false; |
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350 | |
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351 | _Thread_Disable_dispatch(); |
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352 | |
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353 | benchmark_timer_initialize(); |
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354 | #if (CPU_HARDWARE_FP == 1) || (CPU_SOFTWARE_FP == 1) |
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355 | _Context_Save_fp( &executing->fp_context ); |
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356 | _Context_Restore_fp( &_Thread_Executing->fp_context ); |
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357 | #endif |
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358 | _Context_Switch( &executing->Registers, &_Thread_Executing->Registers ); |
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359 | /* switch to Floating_point_task_2 */ |
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360 | } |
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361 | |
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362 | rtems_task Floating_point_task_2( |
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363 | rtems_task_argument argument |
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364 | ) |
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365 | { |
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366 | Chain_Control *ready_queues; |
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367 | Thread_Control *executing; |
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368 | FP_DECLARE; |
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369 | |
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370 | context_switch_save_restore_idle_time = benchmark_timer_read(); |
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371 | |
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372 | executing = _Thread_Executing; |
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373 | |
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374 | ready_queues = (Chain_Control *) _Scheduler.information; |
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375 | _Thread_Executing = |
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376 | (Thread_Control *) _Chain_First(&ready_queues[FP1_PRIORITY]); |
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377 | |
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378 | FP_LOAD( 1.0 ); |
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379 | |
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380 | /* do not force context switch */ |
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381 | |
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382 | _Thread_Dispatch_necessary = false; |
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383 | |
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384 | _Thread_Disable_dispatch(); |
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385 | |
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386 | benchmark_timer_initialize(); |
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387 | #if (CPU_HARDWARE_FP == 1) || (CPU_SOFTWARE_FP == 1) |
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388 | _Context_Save_fp( &executing->fp_context ); |
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389 | _Context_Restore_fp( &_Thread_Executing->fp_context ); |
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390 | #endif |
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391 | _Context_Switch( &executing->Registers, &_Thread_Executing->Registers ); |
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392 | /* switch to Floating_point_task_1 */ |
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393 | |
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394 | context_switch_save_restore_initted_time = benchmark_timer_read(); |
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395 | |
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396 | complete_test(); |
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397 | } |
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398 | |
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399 | void complete_test( void ) |
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400 | { |
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401 | uint32_t index; |
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402 | rtems_id task_id; |
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403 | |
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404 | benchmark_timer_initialize(); |
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405 | _Thread_Resume( Middle_tcb ); |
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406 | thread_resume_time = benchmark_timer_read(); |
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407 | |
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408 | _Thread_Set_state( Middle_tcb, STATES_WAITING_FOR_MESSAGE ); |
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409 | |
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410 | benchmark_timer_initialize(); |
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411 | _Thread_Unblock( Middle_tcb ); |
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412 | thread_unblock_time = benchmark_timer_read(); |
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413 | |
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414 | _Thread_Set_state( Middle_tcb, STATES_WAITING_FOR_MESSAGE ); |
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415 | |
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416 | benchmark_timer_initialize(); |
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417 | _Thread_Ready( Middle_tcb ); |
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418 | thread_ready_time = benchmark_timer_read(); |
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419 | |
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420 | benchmark_timer_initialize(); |
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421 | for ( index=1 ; index <= OPERATION_COUNT ; index++ ) |
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422 | (void) benchmark_timer_empty_function(); |
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423 | overhead = benchmark_timer_read(); |
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424 | |
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425 | task_id = Middle_tcb->Object.id; |
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426 | |
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427 | benchmark_timer_initialize(); |
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428 | for ( index=1 ; index <= OPERATION_COUNT ; index++ ) |
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429 | (void) _Thread_Get( task_id, &location ); |
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430 | thread_get_time = benchmark_timer_read(); |
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431 | |
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432 | benchmark_timer_initialize(); |
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433 | for ( index=1 ; index <= OPERATION_COUNT ; index++ ) |
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434 | (void) _Semaphore_Get( Semaphore_id, &location ); |
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435 | semaphore_get_time = benchmark_timer_read(); |
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436 | |
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437 | benchmark_timer_initialize(); |
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438 | for ( index=1 ; index <= OPERATION_COUNT ; index++ ) |
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439 | (void) _Thread_Get( 0x3, &location ); |
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440 | thread_get_invalid_time = benchmark_timer_read(); |
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441 | |
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442 | /* |
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443 | * This is the running task and we have tricked RTEMS out enough where |
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444 | * we need to set some internal tracking information to match this. |
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445 | */ |
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446 | |
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447 | _Thread_Heir = _Thread_Executing; |
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448 | _Thread_Dispatch_necessary = false; |
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449 | _Thread_Dispatch_disable_level = 0; |
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450 | |
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451 | /* |
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452 | * Now dump all the times |
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453 | */ |
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454 | |
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455 | put_time( |
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456 | "_ISR_Disable", |
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457 | isr_disable_time, |
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458 | 1, |
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459 | 0, |
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460 | 0 |
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461 | ); |
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462 | |
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463 | put_time( |
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464 | "_ISR_Flash", |
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465 | isr_flash_time, |
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466 | 1, |
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467 | 0, |
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468 | 0 |
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469 | ); |
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470 | |
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471 | put_time( |
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472 | "_ISR_Enable", |
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473 | isr_enable_time, |
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474 | 1, |
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475 | 0, |
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476 | 0 |
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477 | ); |
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478 | |
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479 | put_time( |
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480 | "_Thread_Disable_dispatch", |
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481 | thread_disable_dispatch_time, |
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482 | 1, |
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483 | 0, |
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484 | 0 |
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485 | ); |
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486 | |
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487 | put_time( |
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488 | "_Thread_Enable_dispatch", |
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489 | thread_enable_dispatch_time, |
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490 | 1, |
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491 | 0, |
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492 | 0 |
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493 | ); |
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494 | |
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495 | put_time( |
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496 | "_Thread_Set_state", |
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497 | thread_set_state_time, |
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498 | 1, |
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499 | 0, |
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500 | 0 |
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501 | ); |
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502 | |
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503 | put_time( |
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504 | "_Thread_Dispatch (NO FP)", |
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505 | thread_dispatch_no_fp_time, |
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506 | 1, |
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507 | 0, |
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508 | 0 |
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509 | ); |
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510 | |
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511 | put_time( |
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512 | "context switch: no floating point contexts", |
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513 | context_switch_no_fp_time, |
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514 | 1, |
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515 | 0, |
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516 | 0 |
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517 | ); |
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518 | |
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519 | put_time( |
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520 | "context switch: self", |
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521 | context_switch_self_time, |
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522 | 1, |
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523 | 0, |
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524 | 0 |
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525 | ); |
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526 | |
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527 | put_time( |
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528 | "context switch: to another task", |
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529 | context_switch_another_task_time, |
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530 | 1, |
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531 | 0, |
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532 | 0 |
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533 | ); |
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534 | |
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535 | #if (CPU_HARDWARE_FP == 1) || (CPU_SOFTWARE_FP == 1) |
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536 | put_time( |
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537 | "fp context switch: restore 1st FP task", |
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538 | context_switch_restore_1st_fp_time, |
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539 | 1, |
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540 | 0, |
---|
541 | 0 |
---|
542 | ); |
---|
543 | |
---|
544 | put_time( |
---|
545 | "fp context switch: save idle, restore initialized", |
---|
546 | context_switch_save_idle_restore_initted_time, |
---|
547 | 1, |
---|
548 | 0, |
---|
549 | 0 |
---|
550 | ); |
---|
551 | |
---|
552 | put_time( |
---|
553 | "fp context switch: save idle, restore idle", |
---|
554 | context_switch_save_restore_idle_time, |
---|
555 | 1, |
---|
556 | 0, |
---|
557 | 0 |
---|
558 | ); |
---|
559 | |
---|
560 | put_time( |
---|
561 | "fp context switch: save initialized, restore initialized", |
---|
562 | context_switch_save_restore_initted_time, |
---|
563 | 1, |
---|
564 | 0, |
---|
565 | 0 |
---|
566 | ); |
---|
567 | #else |
---|
568 | puts( "fp context switch: restore 1st FP task - NA" ); |
---|
569 | puts( "fp context switch: save idle, restore initialized - NA" ); |
---|
570 | puts( "fp context switch: save idle, restore idle - NA" ); |
---|
571 | puts( "fp context switch: save initialized, restore initialized - NA" ); |
---|
572 | #endif |
---|
573 | |
---|
574 | put_time( |
---|
575 | "_Thread_Resume", |
---|
576 | thread_resume_time, |
---|
577 | 1, |
---|
578 | 0, |
---|
579 | 0 |
---|
580 | ); |
---|
581 | |
---|
582 | put_time( |
---|
583 | "_Thread_Unblock", |
---|
584 | thread_unblock_time, |
---|
585 | 1, |
---|
586 | 0, |
---|
587 | 0 |
---|
588 | ); |
---|
589 | |
---|
590 | put_time( |
---|
591 | "_Thread_Ready", |
---|
592 | thread_ready_time, |
---|
593 | 1, |
---|
594 | 0, |
---|
595 | 0 |
---|
596 | ); |
---|
597 | |
---|
598 | put_time( |
---|
599 | "_Thread_Get", |
---|
600 | thread_get_time, |
---|
601 | OPERATION_COUNT, |
---|
602 | 0, |
---|
603 | 0 |
---|
604 | ); |
---|
605 | |
---|
606 | put_time( |
---|
607 | "_Semaphore_Get", |
---|
608 | semaphore_get_time, |
---|
609 | OPERATION_COUNT, |
---|
610 | 0, |
---|
611 | 0 |
---|
612 | ); |
---|
613 | |
---|
614 | put_time( |
---|
615 | "_Thread_Get: invalid id", |
---|
616 | thread_get_invalid_time, |
---|
617 | OPERATION_COUNT, |
---|
618 | 0, |
---|
619 | 0 |
---|
620 | ); |
---|
621 | |
---|
622 | puts( "*** END OF TEST 26 ***" ); |
---|
623 | rtems_test_exit( 0 ); |
---|
624 | } |
---|