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+--
+-- TMTEST / BODY
+--
+-- DESCRIPTION:
+--
+-- This package is the implementation of Test 24 of the RTEMS
+-- Timing Test Suite.
+--
+-- DEPENDENCIES:
+--
+--
+--
+-- COPYRIGHT (c) 1989-2011.
+-- On-Line Applications Research Corporation (OAR).
+--
+-- The license and distribution terms for this file may in
+-- the file LICENSE in this distribution or at
+-- http://www.rtems.org/license/LICENSE.
+--
+
+with INTERFACES; use INTERFACES;
+with RTEMS_CALLING_OVERHEAD;
+with TEST_SUPPORT;
+with TEXT_IO;
+with TIME_TEST_SUPPORT;
+with TIMER_DRIVER;
+
+package body TMTEST is
+
+--
+-- INIT
+--
+
+ procedure INIT (
+ ARGUMENT : in RTEMS.TASKS.ARGUMENT
+ ) is
+ pragma Unreferenced(ARGUMENT);
+ ID : RTEMS.ID;
+ STATUS : RTEMS.STATUS_CODES;
+ begin
+
+ TEXT_IO.NEW_LINE( 2 );
+ TEXT_IO.PUT_LINE( "*** TIME TEST 24 ***" );
+
+ TIMER_DRIVER.INITIALIZE;
+ for INDEX in 1 .. TIME_TEST_SUPPORT.OPERATION_COUNT
+ loop
+ TIMER_DRIVER.EMPTY_FUNCTION;
+ end loop;
+ TMTEST.OVERHEAD := TIMER_DRIVER.READ_TIMER;
+
+ RTEMS.TASKS.CREATE(
+ RTEMS.BUILD_NAME( 'H', 'I', 'G', 'H' ),
+ 10,
+ 1024,
+ RTEMS.DEFAULT_MODES,
+ RTEMS.DEFAULT_ATTRIBUTES,
+ ID,
+ STATUS
+ );
+ TEST_SUPPORT.DIRECTIVE_FAILED( STATUS, "TASK_CREATE HIGH" );
+
+ RTEMS.TASKS.START( ID, TMTEST.HIGH_TASK'ACCESS, 0, STATUS );
+ TEST_SUPPORT.DIRECTIVE_FAILED( STATUS, "TASK_START HIGH" );
+
+ for INDEX in 1 .. TIME_TEST_SUPPORT.OPERATION_COUNT
+ loop
+
+ RTEMS.TASKS.CREATE(
+ RTEMS.BUILD_NAME( 'R', 'E', 'S', 'T' ),
+ 128,
+ 1024,
+ RTEMS.DEFAULT_MODES,
+ RTEMS.DEFAULT_ATTRIBUTES,
+ ID,
+ STATUS
+ );
+ TEST_SUPPORT.DIRECTIVE_FAILED( STATUS, "TASK_CREATE LOOP" );
+
+ RTEMS.TASKS.START( ID, TMTEST.TASKS'ACCESS, 0, STATUS );
+ TEST_SUPPORT.DIRECTIVE_FAILED( STATUS, "TASK_START LOOP" );
+
+ end loop;
+
+ RTEMS.TASKS.DELETE( RTEMS.SELF, STATUS );
+ TEST_SUPPORT.DIRECTIVE_FAILED( STATUS, "TASK_DELETE OF SELF" );
+
+ end INIT;
+
+--
+-- HIGH_TASK
+--
+
+ procedure HIGH_TASK (
+ ARGUMENT : in RTEMS.TASKS.ARGUMENT
+ ) is
+ pragma Unreferenced(ARGUMENT);
+ STATUS : RTEMS.STATUS_CODES;
+ begin
+
+ TIMER_DRIVER.INITIALIZE;
+ for INDEX in 1 .. TIME_TEST_SUPPORT.OPERATION_COUNT
+ loop
+ RTEMS.TASKS.WAKE_AFTER( RTEMS.YIELD_PROCESSOR, STATUS );
+ end loop;
+ TMTEST.END_TIME := TIMER_DRIVER.READ_TIMER;
+
+ TIME_TEST_SUPPORT.PUT_TIME(
+ "TASK_WAKE_AFTER (no context switch)",
+ TMTEST.END_TIME,
+ TIME_TEST_SUPPORT.OPERATION_COUNT,
+ TMTEST.OVERHEAD,
+ RTEMS_CALLING_OVERHEAD.TASK_WAKE_AFTER
+ );
+
+ TMTEST.TASK_COUNT := 0;
+
+ RTEMS.TASKS.DELETE( RTEMS.SELF, STATUS );
+ TEST_SUPPORT.DIRECTIVE_FAILED( STATUS, "TASK_DELETE OF SELF" );
+
+ end HIGH_TASK;
+
+--
+-- TASKS
+--
+
+ procedure TASKS (
+ ARGUMENT : in RTEMS.TASKS.ARGUMENT
+ ) is
+ pragma Unreferenced(ARGUMENT);
+ STATUS : RTEMS.STATUS_CODES;
+ begin
+
+ TMTEST.TASK_COUNT := TMTEST.TASK_COUNT + 1;
+
+ if TMTEST.TASK_COUNT = 1 then
+
+ TIMER_DRIVER.INITIALIZE;
+
+ elsif TMTEST.TASK_COUNT = TIME_TEST_SUPPORT.OPERATION_COUNT then
+ TMTEST.END_TIME := TIMER_DRIVER.READ_TIMER;
+
+ TIME_TEST_SUPPORT.PUT_TIME(
+ "TASK_WAKE_AFTER (context switch)",
+ TMTEST.END_TIME,
+ TIME_TEST_SUPPORT.OPERATION_COUNT,
+ TMTEST.OVERHEAD,
+ RTEMS_CALLING_OVERHEAD.TASK_WAKE_AFTER
+ );
+
+ TEXT_IO.PUT_LINE( "*** END OF TIME TEST 24 ***" );
+ RTEMS.SHUTDOWN_EXECUTIVE( 0 );
+
+ end if;
+
+ RTEMS.TASKS.WAKE_AFTER( RTEMS.YIELD_PROCESSOR, STATUS );
+ TEST_SUPPORT.DIRECTIVE_FAILED( STATUS, "TASK_WAKE_AFTER" );
+
+ end TASKS;
+
+end TMTEST;