forked from Imagelibrary/rtems
210 lines
4.6 KiB
Ada
210 lines
4.6 KiB
Ada
--
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-- TMTEST / BODY
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--
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-- DESCRIPTION:
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--
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-- This package is the implementation of Test 13 of the RTEMS
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-- Timing Test Suite.
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--
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-- DEPENDENCIES:
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--
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--
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--
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-- COPYRIGHT (c) 1989-1997.
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-- On-Line Applications Research Corporation (OAR).
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-- Copyright assigned to U.S. Government, 1994.
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--
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-- The license and distribution terms for this file may in
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-- the file LICENSE in this distribution or at
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-- http://www.OARcorp.com/rtems/license.html.
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--
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-- $Id$
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--
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with INTERFACES; use INTERFACES;
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with RTEMS;
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with RTEMS_CALLING_OVERHEAD;
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with TEST_SUPPORT;
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with TEXT_IO;
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with TIME_TEST_SUPPORT;
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with UNSIGNED32_IO;
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package body TMTEST is
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--PAGE
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--
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-- INIT
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--
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procedure INIT (
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ARGUMENT : in RTEMS.TASK_ARGUMENT
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) is
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TASK_ID : RTEMS.ID;
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STATUS : RTEMS.STATUS_CODES;
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begin
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TEXT_IO.NEW_LINE( 2 );
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TEXT_IO.PUT_LINE( "*** TIME TEST 13 ***" );
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RTEMS.TASK_CREATE(
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1,
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251,
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1024,
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RTEMS.DEFAULT_MODES,
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RTEMS.DEFAULT_ATTRIBUTES,
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TASK_ID,
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STATUS
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);
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TEST_SUPPORT.DIRECTIVE_FAILED( STATUS, "TASK_CREATE" );
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RTEMS.TASK_START(
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TASK_ID,
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TMTEST.TEST_INIT'ACCESS,
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0,
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STATUS
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);
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TEST_SUPPORT.DIRECTIVE_FAILED( STATUS, "TASK_START" );
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RTEMS.TASK_DELETE( RTEMS.SELF, STATUS );
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TEST_SUPPORT.DIRECTIVE_FAILED( STATUS, "TASK_DELETE OF SELF" );
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end INIT;
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--PAGE
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--
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-- TEST_INIT
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--
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procedure TEST_INIT (
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ARGUMENT : in RTEMS.TASK_ARGUMENT
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) is
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INDEX : RTEMS.UNSIGNED32;
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TASK_ENTRY : RTEMS.TASK_ENTRY;
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PRIORITY : RTEMS.TASK_PRIORITY;
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TASK_ID : RTEMS.ID;
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BUFFER : RTEMS.BUFFER;
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BUFFER_POINTER : RTEMS.BUFFER_POINTER;
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STATUS : RTEMS.STATUS_CODES;
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begin
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BUFFER_POINTER := RTEMS.TO_BUFFER_POINTER( BUFFER'ADDRESS );
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-- As each task is started, it preempts this task and performs a blocking
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-- MESSAGE_QUEUE_RECEIVE. Upon completion of this loop all created tasks
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-- are blocked.
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RTEMS.MESSAGE_QUEUE_CREATE(
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RTEMS.BUILD_NAME( 'M', 'Q', '1', ' ' ),
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TIME_TEST_SUPPORT.OPERATION_COUNT,
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RTEMS.DEFAULT_OPTIONS,
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TMTEST.QUEUE_ID,
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STATUS
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);
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PRIORITY := 250;
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for INDEX in 0 .. TIME_TEST_SUPPORT.OPERATION_COUNT - 1
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loop
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RTEMS.TASK_CREATE(
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RTEMS.BUILD_NAME( 'T', 'I', 'M', 'E' ),
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PRIORITY,
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1024,
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RTEMS.DEFAULT_MODES,
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RTEMS.DEFAULT_ATTRIBUTES,
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TASK_ID,
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STATUS
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);
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TEST_SUPPORT.DIRECTIVE_FAILED( STATUS, "TASK_CREATE LOOP" );
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PRIORITY := PRIORITY - 1;
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if INDEX = TIME_TEST_SUPPORT.OPERATION_COUNT - 1 then
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TASK_ENTRY := TMTEST.HIGH_TASK'ACCESS;
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else
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TASK_ENTRY := TMTEST.MIDDLE_TASKS'ACCESS;
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end if;
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RTEMS.TASK_START( TASK_ID, TASK_ENTRY, 0, STATUS );
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TEST_SUPPORT.DIRECTIVE_FAILED( STATUS, "TASK_START LOOP" );
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end loop;
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TIMER_DRIVER.INITIALIZE;
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RTEMS.MESSAGE_QUEUE_URGENT(
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TMTEST.QUEUE_ID,
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BUFFER_POINTER,
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STATUS
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);
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end TEST_INIT;
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--PAGE
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--
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-- HIGH_TASK
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--
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procedure HIGH_TASK (
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ARGUMENT : in RTEMS.TASK_ARGUMENT
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) is
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BUFFER : RTEMS.BUFFER;
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BUFFER_POINTER : RTEMS.BUFFER_POINTER;
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STATUS : RTEMS.STATUS_CODES;
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begin
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BUFFER_POINTER := RTEMS.TO_BUFFER_POINTER( BUFFER'ADDRESS );
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RTEMS.MESSAGE_QUEUE_RECEIVE(
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TMTEST.QUEUE_ID,
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BUFFER_POINTER,
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RTEMS.DEFAULT_OPTIONS,
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RTEMS.NO_TIMEOUT,
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STATUS
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);
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TMTEST.END_TIME := TIMER_DRIVER.READ_TIMER;
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TIME_TEST_SUPPORT.PUT_TIME(
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"MESSAGE_QUEUE_URGENT (preemptive)",
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TMTEST.END_TIME,
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TIME_TEST_SUPPORT.OPERATION_COUNT,
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0,
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RTEMS_CALLING_OVERHEAD.MESSAGE_QUEUE_URGENT
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);
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RTEMS.SHUTDOWN_EXECUTIVE( 0 );
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end HIGH_TASK;
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--PAGE
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--
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-- MIDDLE_TASKS
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--
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procedure MIDDLE_TASKS (
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ARGUMENT : in RTEMS.TASK_ARGUMENT
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) is
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BUFFER : RTEMS.BUFFER;
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BUFFER_POINTER : RTEMS.BUFFER_POINTER;
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STATUS : RTEMS.STATUS_CODES;
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begin
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BUFFER_POINTER := RTEMS.TO_BUFFER_POINTER( BUFFER'ADDRESS );
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RTEMS.MESSAGE_QUEUE_RECEIVE(
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TMTEST.QUEUE_ID,
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BUFFER_POINTER,
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RTEMS.DEFAULT_OPTIONS,
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RTEMS.NO_TIMEOUT,
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STATUS
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);
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RTEMS.MESSAGE_QUEUE_URGENT(
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TMTEST.QUEUE_ID,
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BUFFER_POINTER,
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STATUS
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);
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end MIDDLE_TASKS;
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end TMTEST;
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