[6d4e604b] | 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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[bf9ae83] | 13 | -- COPYRIGHT (c) 1989-1997. |
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[6d4e604b] | 14 | -- On-Line Applications Research Corporation (OAR). |
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[bf9ae83] | 15 | -- Copyright assigned to U.S. Government, 1994. |
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[6d4e604b] | 16 | -- |
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[bf9ae83] | 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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[6d4e604b] | 20 | -- |
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[bf9ae83] | 21 | -- $Id$ |
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[6d4e604b] | 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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