--
-- TMTEST / BODY
--
-- DESCRIPTION:
--
-- This package is the implementation of Test 16 of the RTEMS
-- Timing Test Suite.
--
-- DEPENDENCIES:
--
--
--
-- COPYRIGHT (c) 1989-1997.
-- On-Line Applications Research Corporation (OAR).
-- Copyright assigned to U.S. Government, 1994.
--
-- The license and distribution terms for this file may in
-- the file LICENSE in this distribution or at
-- http://www.OARcorp.com/rtems/license.html.
--
-- $Id$
--
with INTERFACES; use INTERFACES;
with RTEMS;
with RTEMS_CALLING_OVERHEAD;
with TEST_SUPPORT;
with TEXT_IO;
with TIME_TEST_SUPPORT;
with UNSIGNED32_IO;
package body TMTEST is
--PAGE
--
-- INIT
--
procedure INIT (
ARGUMENT : in RTEMS.TASK_ARGUMENT
) is
ID : RTEMS.ID;
STATUS : RTEMS.STATUS_CODES;
begin
TEXT_IO.NEW_LINE( 2 );
TEXT_IO.PUT_LINE( "*** TIME TEST 16 ***" );
RTEMS.TASK_CREATE(
RTEMS.BUILD_NAME( 'T', 'E', 'S', 'T' ),
251,
2048,
RTEMS.DEFAULT_MODES,
RTEMS.DEFAULT_ATTRIBUTES,
ID,
STATUS
);
TEST_SUPPORT.DIRECTIVE_FAILED( STATUS, "TASK_CREATE OF TEST INIT" );
RTEMS.TASK_START(
ID,
TMTEST.TEST_INIT'ACCESS,
0,
STATUS
);
TEST_SUPPORT.DIRECTIVE_FAILED( STATUS, "TASK_START OF TEST INIT" );
RTEMS.TASK_DELETE( RTEMS.SELF, STATUS );
TEST_SUPPORT.DIRECTIVE_FAILED( STATUS, "TASK_DELETE OF SELF" );
end INIT;
--PAGE
--
-- TEST_INIT
--
procedure TEST_INIT (
ARGUMENT : in RTEMS.TASK_ARGUMENT
) is
PRIORITY : RTEMS.TASK_PRIORITY;
INDEX : RTEMS.UNSIGNED32;
TASK_ENTRY : RTEMS.TASK_ENTRY;
STATUS : RTEMS.STATUS_CODES;
begin
PRIORITY := 250;
for INDEX in 0 .. TIME_TEST_SUPPORT.OPERATION_COUNT
loop
RTEMS.TASK_CREATE(
RTEMS.BUILD_NAME( 'M', 'I', 'D', ' ' ),
PRIORITY,
1024,
RTEMS.DEFAULT_MODES,
RTEMS.DEFAULT_ATTRIBUTES,
TMTEST.TASK_ID( INDEX ),
STATUS
);
TEST_SUPPORT.DIRECTIVE_FAILED( STATUS, "TASK_CREATE LOOP" );
if INDEX = TIME_TEST_SUPPORT.OPERATION_COUNT then
TASK_ENTRY := TMTEST.HIGH_TASK'ACCESS;
else
TASK_ENTRY := TMTEST.MIDDLE_TASKS'ACCESS;
end if;
RTEMS.TASK_START(
TMTEST.TASK_ID( INDEX ),
TASK_ENTRY,
0,
STATUS
);
TEST_SUPPORT.DIRECTIVE_FAILED( STATUS, "TASK_START LOOP" );
PRIORITY := PRIORITY - 1;
end loop;
TMTEST.TASK_COUNT := 0;
TIMER_DRIVER.INITIALIZE; -- starts the timer
RTEMS.EVENT_SEND( -- preempts task
TMTEST.TASK_ID( TMTEST.TASK_COUNT ),
RTEMS.EVENT_16,
STATUS
);
end TEST_INIT;
--PAGE
--
-- MIDDLE_TASKS
--
procedure MIDDLE_TASKS (
ARGUMENT : in RTEMS.TASK_ARGUMENT
) is
EVENT_OUT : RTEMS.EVENT_SET;
STATUS : RTEMS.STATUS_CODES;
begin
RTEMS.EVENT_RECEIVE( -- task blocks
RTEMS.EVENT_16,
RTEMS.DEFAULT_OPTIONS,
RTEMS.NO_TIMEOUT,
EVENT_OUT,
STATUS
);
TMTEST.TASK_COUNT := TMTEST.TASK_COUNT + 1;
RTEMS.EVENT_SEND( -- preempts task
TMTEST.TASK_ID( TMTEST.TASK_COUNT ),
RTEMS.EVENT_16,
STATUS
);
end MIDDLE_TASKS;
--PAGE
--
-- HIGH_TASK
--
procedure HIGH_TASK (
ARGUMENT : in RTEMS.TASK_ARGUMENT
) is
EVENT_OUT : RTEMS.EVENT_SET;
STATUS : RTEMS.STATUS_CODES;
begin
RTEMS.EVENT_RECEIVE( -- task blocks
RTEMS.EVENT_16,
RTEMS.DEFAULT_OPTIONS,
RTEMS.NO_TIMEOUT,
EVENT_OUT,
STATUS
);
TMTEST.END_TIME := TIMER_DRIVER.READ_TIMER;
TIME_TEST_SUPPORT.PUT_TIME(
"EVENT_SEND (preemptive)",
TMTEST.END_TIME,
TIME_TEST_SUPPORT.OPERATION_COUNT,
0,
RTEMS_CALLING_OVERHEAD.EVENT_SEND
);
RTEMS.SHUTDOWN_EXECUTIVE( 0 );
end HIGH_TASK;
end TMTEST;