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 27 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 19:44:29 joel Exp |
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22 | -- |
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23 | |
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24 | with INTERRUPT_TIME_TEST_SUPPORT; |
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25 | with INTERFACES; use INTERFACES; |
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26 | with RTEMS_CALLING_OVERHEAD; |
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27 | with RTEMS; |
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28 | with RTEMS_TEST_SUPPORT; |
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29 | with TEST_SUPPORT; |
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30 | with TEXT_IO; |
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31 | with TIME_TEST_SUPPORT; |
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32 | with UNSIGNED32_IO; |
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33 | |
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34 | package body TMTEST is |
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35 | |
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36 | --PAGE |
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37 | -- |
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38 | -- INIT |
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39 | -- |
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40 | |
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41 | procedure INIT ( |
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42 | ARGUMENT : in RTEMS.TASK_ARGUMENT |
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43 | ) is |
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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 27 ***" ); |
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49 | |
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50 | RTEMS.TASK_CREATE( |
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51 | RTEMS.BUILD_NAME( 'T', 'A', '1', ' ' ), |
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52 | 254, |
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53 | 2048, |
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54 | RTEMS.DEFAULT_MODES, |
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55 | RTEMS.DEFAULT_ATTRIBUTES, |
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56 | TMTEST.TASK_ID( 1 ), |
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57 | STATUS |
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58 | ); |
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59 | TEST_SUPPORT.DIRECTIVE_FAILED( STATUS, "TASK_CREATE TASK_1" ); |
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60 | |
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61 | RTEMS.TASK_START( |
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62 | TMTEST.TASK_ID( 1 ), |
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63 | TMTEST.TASK_1'ACCESS, |
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64 | 0, |
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65 | STATUS |
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66 | ); |
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67 | TEST_SUPPORT.DIRECTIVE_FAILED( STATUS, "TASK_START TASK_1" ); |
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68 | |
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69 | RTEMS.TASK_CREATE( |
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70 | RTEMS.BUILD_NAME( 'T', 'A', '2', ' ' ), |
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71 | 254, |
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72 | 2048, |
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73 | RTEMS.DEFAULT_MODES, |
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74 | RTEMS.DEFAULT_ATTRIBUTES, |
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75 | TMTEST.TASK_ID( 2 ), |
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76 | STATUS |
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77 | ); |
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78 | TEST_SUPPORT.DIRECTIVE_FAILED( STATUS, "TASK_CREATE TASK_2" ); |
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79 | |
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80 | RTEMS.TASK_START( |
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81 | TMTEST.TASK_ID( 2 ), |
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82 | TMTEST.TASK_2'ACCESS, |
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83 | 0, |
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84 | STATUS |
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85 | ); |
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86 | TEST_SUPPORT.DIRECTIVE_FAILED( STATUS, "TASK_START TASK_2" ); |
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87 | |
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88 | RTEMS.TASK_DELETE( RTEMS.SELF, STATUS ); |
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89 | TEST_SUPPORT.DIRECTIVE_FAILED( STATUS, "TASK_DELETE OF SELF" ); |
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90 | |
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91 | end INIT; |
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92 | |
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93 | --PAGE |
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94 | -- |
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95 | -- TASK_1 |
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96 | -- |
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97 | |
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98 | procedure TASK_1 ( |
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99 | ARGUMENT : in RTEMS.TASK_ARGUMENT |
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100 | ) is |
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101 | begin |
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102 | |
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103 | RTEMS_TEST_SUPPORT.THREAD_DISPATCH_DISABLE_LEVEL := 1; |
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104 | |
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105 | TMTEST.INTERRUPT_NEST := 1; |
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106 | |
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107 | INTERRUPT_TIME_TEST_SUPPORT.INSTALL_HANDLER( |
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108 | TMTEST.ISR_HANDLER'ADDRESS |
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109 | ); |
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110 | |
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111 | TIMER_DRIVER.INITIALIZE; |
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112 | INTERRUPT_TIME_TEST_SUPPORT.CAUSE_INTERRUPT; |
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113 | -- goes to ISR_HANDLER |
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114 | |
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115 | TMTEST.INTERRUPT_RETURN_TIME := TIMER_DRIVER.READ_TIMER; |
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116 | |
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117 | TIME_TEST_SUPPORT.PUT_TIME( |
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118 | "INTERRUPT_ENTER (nested interrupt)", |
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119 | TMTEST.INTERRUPT_ENTER_NESTED_TIME, |
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120 | 1, |
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121 | 0, |
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122 | 0 |
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123 | ); |
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124 | |
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125 | TIME_TEST_SUPPORT.PUT_TIME( |
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126 | "INTERRUPT_RETURN (nested interrupt)", |
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127 | TMTEST.INTERRUPT_RETURN_NESTED_TIME, |
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128 | 1, |
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129 | 0, |
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130 | 0 |
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131 | ); |
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132 | |
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133 | TMTEST.INTERRUPT_NEST := 0; |
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134 | |
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135 | RTEMS_TEST_SUPPORT.THREAD_DISPATCH_DISABLE_LEVEL := 0; |
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136 | |
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137 | TIMER_DRIVER.INITIALIZE; |
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138 | INTERRUPT_TIME_TEST_SUPPORT.CAUSE_INTERRUPT; |
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139 | -- goes to ISR_HANDLER |
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140 | |
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141 | TMTEST.INTERRUPT_RETURN_TIME := TIMER_DRIVER.READ_TIMER; |
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142 | |
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143 | TIME_TEST_SUPPORT.PUT_TIME( |
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144 | "INTERRUPT_ENTER (no preempt)", |
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145 | TMTEST.INTERRUPT_ENTER_TIME, |
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146 | 1, |
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147 | 0, |
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148 | 0 |
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149 | ); |
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150 | |
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151 | TIME_TEST_SUPPORT.PUT_TIME( |
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152 | "INTERRUPT_RETURN (no preempt)", |
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153 | TMTEST.INTERRUPT_RETURN_TIME, |
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154 | 1, |
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155 | 0, |
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156 | 0 |
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157 | ); |
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158 | |
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159 | RTEMS_TEST_SUPPORT.THREAD_DISPATCH_DISABLE_LEVEL := 0; |
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160 | |
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161 | RTEMS_TEST_SUPPORT.THREAD_HEIR := |
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162 | RTEMS_TEST_SUPPORT.THREAD_TO_CONTROL_POINTER( |
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163 | RTEMS_TEST_SUPPORT.CHAIN_NODE_POINTER_TO_ADDRESS( |
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164 | RTEMS_TEST_SUPPORT.THREAD_READY_CHAIN( 254 ).LAST |
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165 | ) |
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166 | ); |
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167 | |
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168 | RTEMS_TEST_SUPPORT.CONTEXT_SWITCH_NECESSARY := TRUE; |
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169 | |
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170 | TIMER_DRIVER.INITIALIZE; |
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171 | INTERRUPT_TIME_TEST_SUPPORT.CAUSE_INTERRUPT; |
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172 | -- goes to ISR_HANDLER |
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173 | |
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174 | end TASK_1; |
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175 | |
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176 | --PAGE |
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177 | -- |
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178 | -- TASK_2 |
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179 | -- |
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180 | |
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181 | procedure TASK_2 ( |
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182 | ARGUMENT : in RTEMS.TASK_ARGUMENT |
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183 | ) is |
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184 | begin |
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185 | |
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186 | TMTEST.INTERRUPT_RETURN_TIME := TIMER_DRIVER.READ_TIMER; |
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187 | TIME_TEST_SUPPORT.PUT_TIME( |
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188 | "INTERRUPT_ENTER (preempt)", |
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189 | TMTEST.INTERRUPT_ENTER_TIME, |
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190 | 1, |
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191 | 0, |
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192 | 0 |
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193 | ); |
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194 | |
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195 | TIME_TEST_SUPPORT.PUT_TIME( |
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196 | "INTERRUPT_RETURN (preempt)", |
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197 | TMTEST.INTERRUPT_RETURN_TIME, |
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198 | 1, |
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199 | 0, |
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200 | 0 |
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201 | ); |
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202 | |
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203 | RTEMS.SHUTDOWN_EXECUTIVE( 0 ); |
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204 | |
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205 | end TASK_2; |
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206 | |
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207 | --PAGE |
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208 | -- |
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209 | -- ISR_HANDLER |
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210 | -- |
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211 | |
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212 | -- |
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213 | -- The ISR_HANDLER and ISR_HANDLER_INNER subprograms are structured |
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214 | -- so that there will be as little entry overhead as possible included |
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215 | -- in the interrupt entry time. |
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216 | -- |
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217 | |
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218 | procedure ISR_HANDLER ( |
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219 | VECTOR : in RTEMS.VECTOR_NUMBER |
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220 | ) is |
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221 | begin |
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222 | |
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223 | TMTEST.END_TIME := TIMER_DRIVER.READ_TIMER; |
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224 | |
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225 | TMTEST.ISR_HANDLER_INNER; |
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226 | |
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227 | end ISR_HANDLER; |
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228 | |
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229 | -- |
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230 | -- ISR_HANDLER_INNER |
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231 | -- |
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232 | |
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233 | procedure ISR_HANDLER_INNER |
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234 | is |
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235 | begin |
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236 | |
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237 | -- enable tracing here is necessary |
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238 | |
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239 | INTERRUPT_TIME_TEST_SUPPORT.CLEAR_INTERRUPT; |
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240 | |
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241 | case TMTEST.INTERRUPT_NEST is |
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242 | when 0 => |
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243 | TMTEST.INTERRUPT_ENTER_TIME := TMTEST.END_TIME; |
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244 | |
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245 | when 1 => |
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246 | TMTEST.INTERRUPT_ENTER_TIME := TMTEST.END_TIME; |
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247 | TMTEST.INTERRUPT_NEST := 2; |
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248 | TIMER_DRIVER.INITIALIZE; |
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249 | INTERRUPT_TIME_TEST_SUPPORT.CAUSE_INTERRUPT; |
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250 | -- goes to a nested copy of ISR_HANDLER |
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251 | |
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252 | TMTEST.INTERRUPT_RETURN_NESTED_TIME := TIMER_DRIVER.READ_TIMER; |
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253 | |
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254 | when 2 => |
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255 | TMTEST.INTERRUPT_ENTER_NESTED_TIME := TMTEST.END_TIME; |
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256 | |
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257 | when others => |
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258 | NULL; |
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259 | |
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260 | end case; |
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261 | |
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262 | -- Start the timer so interrupt return times can be measured |
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263 | |
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264 | TIMER_DRIVER.INITIALIZE; |
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265 | |
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266 | end ISR_HANDLER_INNER; |
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267 | |
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268 | end TMTEST; |
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