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 24 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, 1990, 1991, 1992, 1993, 1994. |
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14 | -- On-Line Applications Research Corporation (OAR). |
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15 | -- All rights assigned to U.S. Government, 1994. |
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16 | -- |
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17 | -- This material may be reproduced by or for the U.S. Government pursuant |
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18 | -- to the copyright license under the clause at DFARS 252.227-7013. This |
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19 | -- notice must appear in all copies of this file and its derivatives. |
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20 | -- |
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21 | -- tmtest.adb,v 1.3 1995/07/12 19:44:18 joel Exp |
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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 | ID : RTEMS.ID; |
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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 24 ***" ); |
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49 | |
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50 | TIMER_DRIVER.INITIALIZE; |
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51 | for INDEX in 1 .. TIME_TEST_SUPPORT.OPERATION_COUNT |
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52 | loop |
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53 | TIMER_DRIVER.EMPTY_FUNCTION; |
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54 | end loop; |
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55 | TMTEST.OVERHEAD := TIMER_DRIVER.READ_TIMER; |
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56 | |
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57 | RTEMS.TASK_CREATE( |
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58 | RTEMS.BUILD_NAME( 'H', 'I', 'G', 'H' ), |
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59 | 10, |
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60 | 1024, |
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61 | RTEMS.DEFAULT_MODES, |
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62 | RTEMS.DEFAULT_ATTRIBUTES, |
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63 | ID, |
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64 | STATUS |
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65 | ); |
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66 | TEST_SUPPORT.DIRECTIVE_FAILED( STATUS, "TASK_CREATE HIGH" ); |
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67 | |
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68 | RTEMS.TASK_START( ID, TMTEST.HIGH_TASK'ACCESS, 0, STATUS ); |
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69 | TEST_SUPPORT.DIRECTIVE_FAILED( STATUS, "TASK_START HIGH" ); |
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70 | |
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71 | for INDEX in 1 .. TIME_TEST_SUPPORT.OPERATION_COUNT |
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72 | loop |
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73 | |
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74 | RTEMS.TASK_CREATE( |
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75 | RTEMS.BUILD_NAME( 'R', 'E', 'S', 'T' ), |
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76 | 128, |
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77 | 1024, |
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78 | RTEMS.DEFAULT_MODES, |
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79 | RTEMS.DEFAULT_ATTRIBUTES, |
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80 | ID, |
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81 | STATUS |
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82 | ); |
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83 | TEST_SUPPORT.DIRECTIVE_FAILED( STATUS, "TASK_CREATE LOOP" ); |
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84 | |
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85 | RTEMS.TASK_START( ID, TMTEST.TASKS'ACCESS, 0, STATUS ); |
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86 | TEST_SUPPORT.DIRECTIVE_FAILED( STATUS, "TASK_START LOOP" ); |
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87 | |
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88 | end loop; |
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89 | |
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90 | RTEMS.TASK_DELETE( RTEMS.SELF, STATUS ); |
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91 | TEST_SUPPORT.DIRECTIVE_FAILED( STATUS, "TASK_DELETE OF SELF" ); |
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92 | |
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93 | end INIT; |
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94 | |
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95 | --PAGE |
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96 | -- |
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97 | -- HIGH_TASK |
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98 | -- |
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99 | |
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100 | procedure HIGH_TASK ( |
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101 | ARGUMENT : in RTEMS.TASK_ARGUMENT |
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102 | ) is |
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103 | INDEX : RTEMS.UNSIGNED32; |
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104 | STATUS : RTEMS.STATUS_CODES; |
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105 | begin |
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106 | |
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107 | TIMER_DRIVER.INITIALIZE; |
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108 | for INDEX in 1 .. TIME_TEST_SUPPORT.OPERATION_COUNT |
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109 | loop |
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110 | RTEMS.TASK_WAKE_AFTER( RTEMS.YIELD_PROCESSOR, STATUS ); |
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111 | end loop; |
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112 | TMTEST.END_TIME := TIMER_DRIVER.READ_TIMER; |
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113 | |
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114 | TIME_TEST_SUPPORT.PUT_TIME( |
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115 | "TASK_WAKE_AFTER (no context switch)", |
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116 | TMTEST.END_TIME, |
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117 | TIME_TEST_SUPPORT.OPERATION_COUNT, |
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118 | TMTEST.OVERHEAD, |
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119 | RTEMS_CALLING_OVERHEAD.TASK_WAKE_AFTER |
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120 | ); |
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121 | |
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122 | TMTEST.TASK_COUNT := 0; |
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123 | |
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124 | RTEMS.TASK_DELETE( RTEMS.SELF, STATUS ); |
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125 | TEST_SUPPORT.DIRECTIVE_FAILED( STATUS, "TASK_DELETE OF SELF" ); |
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126 | |
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127 | end HIGH_TASK; |
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128 | |
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129 | --PAGE |
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130 | -- |
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131 | -- TASKS |
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132 | -- |
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133 | |
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134 | procedure TASKS ( |
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135 | ARGUMENT : in RTEMS.TASK_ARGUMENT |
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136 | ) is |
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137 | STATUS : RTEMS.STATUS_CODES; |
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138 | begin |
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139 | |
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140 | TMTEST.TASK_COUNT := TMTEST.TASK_COUNT + 1; |
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141 | |
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142 | if TMTEST.TASK_COUNT = 1 then |
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143 | |
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144 | TIMER_DRIVER.INITIALIZE; |
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145 | |
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146 | elsif TMTEST.TASK_COUNT = TIME_TEST_SUPPORT.OPERATION_COUNT then |
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147 | TMTEST.END_TIME := TIMER_DRIVER.READ_TIMER; |
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148 | |
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149 | TIME_TEST_SUPPORT.PUT_TIME( |
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150 | "TASK_WAKE_AFTER (context switch)", |
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151 | TMTEST.END_TIME, |
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152 | TIME_TEST_SUPPORT.OPERATION_COUNT, |
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153 | TMTEST.OVERHEAD, |
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154 | RTEMS_CALLING_OVERHEAD.TASK_WAKE_AFTER |
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155 | ); |
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156 | |
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157 | RTEMS.SHUTDOWN_EXECUTIVE( 0 ); |
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158 | |
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159 | end if; |
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160 | |
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161 | RTEMS.TASK_WAKE_AFTER( RTEMS.YIELD_PROCESSOR, STATUS ); |
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162 | |
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163 | end TASKS; |
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164 | |
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165 | end TMTEST; |
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