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 17 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) 1989-1997. |
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14 | -- On-Line Applications Research Corporation (OAR). |
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15 | -- Copyright assigned to U.S. Government, 1994. |
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16 | -- |
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17 | -- The license and distribution terms for this file may in |
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18 | -- the file LICENSE in this distribution or at |
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19 | -- http://www.OARcorp.com/rtems/license.html. |
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20 | -- |
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21 | -- $Id$ |
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22 | -- |
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23 | |
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24 | with INTERFACES; use INTERFACES; |
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25 | with RTEMS; |
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26 | with RTEMS_CALLING_OVERHEAD; |
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27 | with TEST_SUPPORT; |
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28 | with TEXT_IO; |
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29 | with TIME_TEST_SUPPORT; |
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30 | with UNSIGNED32_IO; |
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31 | |
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32 | package body TMTEST is |
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33 | |
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34 | --PAGE |
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35 | -- |
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36 | -- INIT |
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37 | -- |
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38 | |
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39 | procedure INIT ( |
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40 | ARGUMENT : in RTEMS.TASK_ARGUMENT |
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41 | ) is |
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42 | TASK_ENTRY : RTEMS.TASK_ENTRY_POINT; |
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43 | INDEX : RTEMS.UNSIGNED32; |
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44 | STATUS : RTEMS.STATUS_CODES; |
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45 | begin |
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46 | |
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47 | TEXT_IO.NEW_LINE( 2 ); |
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48 | TEXT_IO.PUT_LINE( "*** TIME TEST 17 ***" ); |
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49 | |
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50 | TMTEST.TASK_PRIORITY := 254; |
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51 | |
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52 | for INDEX in 0 .. TIME_TEST_SUPPORT.OPERATION_COUNT |
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53 | loop |
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54 | |
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55 | RTEMS.TASK_CREATE( |
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56 | RTEMS.BUILD_NAME( 'T', 'I', 'M', 'E' ), |
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57 | TMTEST.TASK_PRIORITY, |
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58 | 1024, |
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59 | RTEMS.DEFAULT_MODES, |
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60 | RTEMS.DEFAULT_ATTRIBUTES, |
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61 | TMTEST.TASK_ID( INDEX ), |
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62 | STATUS |
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63 | ); |
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64 | TEST_SUPPORT.DIRECTIVE_FAILED( STATUS, "TASK_CREATE LOOP" ); |
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65 | |
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66 | if INDEX = TIME_TEST_SUPPORT.OPERATION_COUNT then |
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67 | TASK_ENTRY := TMTEST.LAST_TASK'ACCESS; |
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68 | elsif INDEX = 0 then |
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69 | TASK_ENTRY := TMTEST.FIRST_TASK'ACCESS; |
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70 | else |
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71 | TASK_ENTRY := TMTEST.MIDDLE_TASKS'ACCESS; |
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72 | end if; |
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73 | |
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74 | RTEMS.TASK_START( TMTEST.TASK_ID( INDEX ), TASK_ENTRY, 0, STATUS ); |
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75 | TEST_SUPPORT.DIRECTIVE_FAILED( STATUS, "TASK_START LOOP" ); |
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76 | |
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77 | end loop; |
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78 | |
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79 | TMTEST.TASK_COUNT := 1; |
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80 | |
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81 | RTEMS.TASK_DELETE( RTEMS.SELF, STATUS ); |
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82 | TEST_SUPPORT.DIRECTIVE_FAILED( STATUS, "TASK_DELETE OF SELF" ); |
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83 | |
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84 | end INIT; |
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85 | |
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86 | --PAGE |
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87 | -- |
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88 | -- FIRST_TASK |
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89 | -- |
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90 | |
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91 | procedure FIRST_TASK ( |
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92 | ARGUMENT : in RTEMS.TASK_ARGUMENT |
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93 | ) is |
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94 | PREVIOUS_PRIORITY : RTEMS.TASK_PRIORITY; |
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95 | STATUS : RTEMS.STATUS_CODES; |
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96 | begin |
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97 | |
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98 | TIMER_DRIVER.INITIALIZE; |
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99 | |
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100 | TMTEST.TASK_PRIORITY := TMTEST.TASK_PRIORITY - 1; |
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101 | TMTEST.TASK_COUNT := TMTEST.TASK_COUNT + 1; |
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102 | |
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103 | RTEMS.TASK_SET_PRIORITY( |
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104 | TMTEST.TASK_ID( TMTEST.TASK_COUNT ), |
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105 | TMTEST.TASK_PRIORITY, |
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106 | PREVIOUS_PRIORITY, |
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107 | STATUS |
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108 | ); |
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109 | |
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110 | end FIRST_TASK; |
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111 | |
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112 | --PAGE |
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113 | -- |
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114 | -- MIDDLE_TASKS |
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115 | -- |
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116 | |
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117 | procedure MIDDLE_TASKS ( |
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118 | ARGUMENT : in RTEMS.TASK_ARGUMENT |
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119 | ) is |
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120 | PREVIOUS_PRIORITY : RTEMS.TASK_PRIORITY; |
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121 | STATUS : RTEMS.STATUS_CODES; |
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122 | begin |
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123 | |
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124 | TMTEST.TASK_PRIORITY := TMTEST.TASK_PRIORITY - 1; |
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125 | TMTEST.TASK_COUNT := TMTEST.TASK_COUNT + 1; |
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126 | |
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127 | RTEMS.TASK_SET_PRIORITY( |
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128 | TMTEST.TASK_ID( TMTEST.TASK_COUNT ), |
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129 | TMTEST.TASK_PRIORITY, |
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130 | PREVIOUS_PRIORITY, |
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131 | STATUS |
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132 | ); |
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133 | |
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134 | end MIDDLE_TASKS; |
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135 | |
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136 | --PAGE |
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137 | -- |
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138 | -- LAST_TASK |
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139 | -- |
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140 | |
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141 | procedure LAST_TASK ( |
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142 | ARGUMENT : in RTEMS.TASK_ARGUMENT |
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143 | ) is |
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144 | begin |
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145 | |
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146 | TMTEST.END_TIME := TIMER_DRIVER.READ_TIMER; |
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147 | |
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148 | TIME_TEST_SUPPORT.PUT_TIME( |
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149 | "TASK_SET_PRIORITY (preemptive)", |
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150 | TMTEST.END_TIME, |
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151 | TIME_TEST_SUPPORT.OPERATION_COUNT, |
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152 | 0, |
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153 | RTEMS_CALLING_OVERHEAD.TASK_SET_PRIORITY |
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154 | ); |
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155 | |
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156 | RTEMS.SHUTDOWN_EXECUTIVE( 0 ); |
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157 | |
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158 | end LAST_TASK; |
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159 | |
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160 | end TMTEST; |
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