1 | -- |
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2 | -- TMTEST / BODY |
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3 | -- |
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4 | -- DESCRIPTION: |
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5 | -- |
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6 | -- This package is the implementation of Test 5 of the RTEMS |
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7 | -- Timing Test Suite. |
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8 | -- |
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9 | -- DEPENDENCIES: |
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10 | -- |
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11 | -- |
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12 | -- |
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13 | -- COPYRIGHT (c) 1989-2011. |
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14 | -- On-Line Applications Research Corporation (OAR). |
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15 | -- |
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16 | -- The license and distribution terms for this file may in |
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17 | -- the file LICENSE in this distribution or at |
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18 | -- http://www.rtems.org/license/LICENSE. |
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19 | -- |
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20 | |
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21 | with INTERFACES; use INTERFACES; |
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22 | with RTEMS_CALLING_OVERHEAD; |
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23 | with TEST_SUPPORT; |
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24 | with TEXT_IO; |
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25 | with TIMER_DRIVER; |
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26 | |
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27 | package body TMTEST is |
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28 | |
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29 | -- |
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30 | -- INIT |
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31 | -- |
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32 | |
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33 | procedure INIT ( |
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34 | ARGUMENT : in RTEMS.TASKS.ARGUMENT |
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35 | ) is |
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36 | pragma Unreferenced(ARGUMENT); |
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37 | STATUS : RTEMS.STATUS_CODES; |
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38 | begin |
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39 | |
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40 | TEXT_IO.NEW_LINE( 2 ); |
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41 | TEXT_IO.PUT_LINE( "*** TIME TEST 5 ***" ); |
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42 | |
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43 | TMTEST.TEST_INIT; |
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44 | |
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45 | RTEMS.TASKS.DELETE( RTEMS.SELF, STATUS ); |
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46 | TEST_SUPPORT.DIRECTIVE_FAILED( STATUS, "TASK_DELETE OF SELF" ); |
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47 | |
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48 | end INIT; |
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49 | |
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50 | -- |
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51 | -- TEST_INIT |
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52 | -- |
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53 | |
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54 | procedure TEST_INIT |
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55 | is |
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56 | TASK_ENTRY : RTEMS.TASKS.ENTRY_POINT; |
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57 | PRIORITY : RTEMS.TASKS.PRIORITY; |
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58 | STATUS : RTEMS.STATUS_CODES; |
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59 | begin |
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60 | |
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61 | PRIORITY := 250; |
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62 | |
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63 | for INDEX in 0 .. TIME_TEST_SUPPORT.OPERATION_COUNT |
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64 | loop |
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65 | |
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66 | RTEMS.TASKS.CREATE( |
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67 | RTEMS.BUILD_NAME( 'T', 'I', 'M', 'E' ), |
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68 | PRIORITY, |
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69 | 1024, |
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70 | RTEMS.DEFAULT_MODES, |
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71 | RTEMS.DEFAULT_ATTRIBUTES, |
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72 | TMTEST.TASK_ID( INDEX ), |
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73 | STATUS |
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74 | ); |
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75 | TEST_SUPPORT.DIRECTIVE_FAILED( STATUS, "TASK_CREATE LOOP" ); |
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76 | |
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77 | PRIORITY := PRIORITY - 1; |
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78 | |
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79 | if INDEX = 0 then |
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80 | TASK_ENTRY := TMTEST.LOW_TASK'ACCESS; |
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81 | elsif INDEX = TIME_TEST_SUPPORT.OPERATION_COUNT then |
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82 | TASK_ENTRY := TMTEST.HIGH_TASK'ACCESS; |
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83 | else |
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84 | TASK_ENTRY := TMTEST.MIDDLE_TASKS'ACCESS; |
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85 | end if; |
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86 | |
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87 | RTEMS.TASKS.START( TMTEST.TASK_ID( INDEX ), TASK_ENTRY, 0, STATUS ); |
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88 | TEST_SUPPORT.DIRECTIVE_FAILED( STATUS, "TASK_START LOOP" ); |
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89 | |
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90 | end loop; |
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91 | |
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92 | end TEST_INIT; |
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93 | |
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94 | -- |
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95 | -- HIGH_TASK |
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96 | -- |
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97 | |
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98 | procedure HIGH_TASK ( |
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99 | ARGUMENT : in RTEMS.TASKS.ARGUMENT |
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100 | ) is |
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101 | pragma Unreferenced(ARGUMENT); |
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102 | STATUS : RTEMS.STATUS_CODES; |
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103 | begin |
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104 | |
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105 | TIMER_DRIVER.INITIALIZE; |
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106 | RTEMS.TASKS.SUSPEND( RTEMS.SELF, STATUS ); |
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107 | TEST_SUPPORT.DIRECTIVE_FAILED( STATUS, "TASK_SUSPENT" ); |
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108 | |
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109 | TMTEST.END_TIME := TIMER_DRIVER.READ_TIMER; |
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110 | TIME_TEST_SUPPORT.PUT_TIME( |
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111 | "TASK_RESUME causing preempt", |
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112 | TMTEST.END_TIME, |
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113 | TIME_TEST_SUPPORT.OPERATION_COUNT, |
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114 | 0, |
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115 | RTEMS_CALLING_OVERHEAD.TASK_RESUME |
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116 | ); |
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117 | |
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118 | TEXT_IO.PUT_LINE( "*** END OF TIME TEST 5 ***" ); |
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119 | RTEMS.SHUTDOWN_EXECUTIVE( 0 ); |
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120 | |
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121 | end HIGH_TASK; |
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122 | |
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123 | -- |
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124 | -- MIDDLE_TASKS |
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125 | -- |
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126 | |
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127 | procedure MIDDLE_TASKS ( |
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128 | ARGUMENT : in RTEMS.TASKS.ARGUMENT |
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129 | ) is |
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130 | pragma Unreferenced(ARGUMENT); |
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131 | STATUS : RTEMS.STATUS_CODES; |
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132 | begin |
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133 | |
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134 | RTEMS.TASKS.SUSPEND( RTEMS.SELF, STATUS ); |
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135 | TEST_SUPPORT.DIRECTIVE_FAILED( STATUS, "TASK_SUSPEND" ); |
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136 | |
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137 | TMTEST.TASK_INDEX := TMTEST.TASK_INDEX + 1; |
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138 | RTEMS.TASKS.RESUME( TMTEST.TASK_ID( TMTEST.TASK_INDEX ), STATUS ); |
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139 | TEST_SUPPORT.DIRECTIVE_FAILED( STATUS, "TASK_RESUME" ); |
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140 | |
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141 | end MIDDLE_TASKS; |
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142 | |
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143 | -- |
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144 | -- LOW_TASK |
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145 | -- |
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146 | |
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147 | procedure LOW_TASK ( |
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148 | ARGUMENT : in RTEMS.TASKS.ARGUMENT |
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149 | ) is |
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150 | pragma Unreferenced(ARGUMENT); |
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151 | STATUS : RTEMS.STATUS_CODES; |
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152 | begin |
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153 | |
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154 | TMTEST.END_TIME := TIMER_DRIVER.READ_TIMER; |
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155 | TIME_TEST_SUPPORT.PUT_TIME( |
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156 | "TASK_SUSPEND self", |
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157 | TMTEST.END_TIME, |
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158 | TIME_TEST_SUPPORT.OPERATION_COUNT, |
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159 | 0, |
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160 | RTEMS_CALLING_OVERHEAD.TASK_SUSPEND |
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161 | ); |
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162 | |
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163 | TMTEST.TASK_INDEX := 1; |
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164 | TIMER_DRIVER.INITIALIZE; |
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165 | RTEMS.TASKS.RESUME( TMTEST.TASK_ID( TMTEST.TASK_INDEX ), STATUS ); |
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166 | TEST_SUPPORT.DIRECTIVE_FAILED( STATUS, "TASK_RESUME" ); |
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167 | |
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168 | end LOW_TASK; |
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169 | |
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170 | end TMTEST; |
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