--
-- TMTEST / BODY
--
-- DESCRIPTION:
--
-- This package is the implementation of Test 12 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
TASK_ID : RTEMS.ID;
STATUS : RTEMS.STATUS_CODES;
begin
TEXT_IO.NEW_LINE( 2 );
TEXT_IO.PUT_LINE( "*** TIME TEST 12 ***" );
RTEMS.TASK_CREATE(
1,
251,
1024,
RTEMS.DEFAULT_MODES,
RTEMS.DEFAULT_ATTRIBUTES,
TASK_ID,
STATUS
);
TEST_SUPPORT.DIRECTIVE_FAILED( STATUS, "TASK_CREATE" );
RTEMS.TASK_START(
TASK_ID,
TMTEST.TEST_INIT'ACCESS,
0,
STATUS
);
TEST_SUPPORT.DIRECTIVE_FAILED( STATUS, "TASK_START" );
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
INDEX : RTEMS.UNSIGNED32;
TASK_ENTRY : RTEMS.TASK_ENTRY_POINT;
PRIORITY : RTEMS.TASK_PRIORITY;
TASK_ID : RTEMS.ID;
BUFFER : RTEMS.BUFFER;
BUFFER_POINTER : RTEMS.BUFFER_POINTER;
STATUS : RTEMS.STATUS_CODES;
begin
BUFFER_POINTER := RTEMS.TO_BUFFER_POINTER( BUFFER'ADDRESS );
RTEMS.MESSAGE_QUEUE_CREATE(
RTEMS.BUILD_NAME( 'M', 'Q', '1', ' ' ),
TIME_TEST_SUPPORT.OPERATION_COUNT,
RTEMS.DEFAULT_OPTIONS,
TMTEST.QUEUE_ID,
STATUS
);
TEST_SUPPORT.DIRECTIVE_FAILED( STATUS, "MESSAGE_QUEUE_CREATE" );
PRIORITY := 250;
for INDEX in 0 .. TIME_TEST_SUPPORT.OPERATION_COUNT - 1
loop
RTEMS.TASK_CREATE(
RTEMS.BUILD_NAME( 'T', 'I', 'M', 'E' ),
PRIORITY,
1024,
RTEMS.DEFAULT_MODES,
RTEMS.DEFAULT_ATTRIBUTES,
TASK_ID,
STATUS
);
TEST_SUPPORT.DIRECTIVE_FAILED( STATUS, "TASK_CREATE LOOP" );
PRIORITY := PRIORITY - 1;
if INDEX = TIME_TEST_SUPPORT.OPERATION_COUNT - 1 then
TASK_ENTRY := TMTEST.HIGH_TASK'ACCESS;
else
TASK_ENTRY := TMTEST.LOW_TASKS'ACCESS;
end if;
RTEMS.TASK_START( TASK_ID, TASK_ENTRY, 0, STATUS );
TEST_SUPPORT.DIRECTIVE_FAILED( STATUS, "TASK_START LOOP" );
end loop;
end TEST_INIT;
--PAGE
--
-- HIGH_TASK
--
procedure HIGH_TASK (
ARGUMENT : in RTEMS.TASK_ARGUMENT
) is
BUFFER : RTEMS.BUFFER;
BUFFER_POINTER : RTEMS.BUFFER_POINTER;
INDEX : RTEMS.UNSIGNED32;
OVERHEAD : RTEMS.UNSIGNED32;
STATUS : RTEMS.STATUS_CODES;
begin
BUFFER_POINTER := RTEMS.TO_BUFFER_POINTER( BUFFER'ADDRESS );
TIMER_DRIVER.INITIALIZE;
for INDEX in 1 .. TIME_TEST_SUPPORT.OPERATION_COUNT
loop
TIMER_DRIVER.EMPTY_FUNCTION;
end loop;
OVERHEAD := TIMER_DRIVER.READ_TIMER;
for INDEX in 1 .. TIME_TEST_SUPPORT.OPERATION_COUNT
loop
RTEMS.MESSAGE_QUEUE_SEND(
TMTEST.QUEUE_ID,
BUFFER_POINTER,
STATUS
);
TEST_SUPPORT.DIRECTIVE_FAILED( STATUS, "MESSAGE_QUEUE_SEND" ); --XXX
end loop;
TMTEST.END_TIME := TIMER_DRIVER.READ_TIMER;
TIME_TEST_SUPPORT.PUT_TIME(
"MESSAGE_QUEUE_SEND (readying)",
TMTEST.END_TIME,
TIME_TEST_SUPPORT.OPERATION_COUNT,
OVERHEAD,
RTEMS_CALLING_OVERHEAD.MESSAGE_QUEUE_SEND
);
RTEMS.SHUTDOWN_EXECUTIVE( 0 );
end HIGH_TASK;
--PAGE
--
-- LOW_TASK
--
procedure LOW_TASKS (
ARGUMENT : in RTEMS.TASK_ARGUMENT
) is
BUFFER : RTEMS.BUFFER;
BUFFER_POINTER : RTEMS.BUFFER_POINTER;
STATUS : RTEMS.STATUS_CODES;
begin
BUFFER_POINTER := RTEMS.TO_BUFFER_POINTER( BUFFER'ADDRESS );
RTEMS.MESSAGE_QUEUE_RECEIVE(
TMTEST.QUEUE_ID,
BUFFER_POINTER,
RTEMS.DEFAULT_OPTIONS,
RTEMS.NO_TIMEOUT,
STATUS
);
TEST_SUPPORT.DIRECTIVE_FAILED( STATUS, "MESSAGE_QUEUE_RECEIVE" ); --XXX
end LOW_TASKS;
end TMTEST;
