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|
--
-- TMTEST / BODY
--
-- DESCRIPTION:
--
-- This package is the implementation of Test 16 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 TIMER_DRIVER;
with RTEMS.EVENT;
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 16 ***" );
RTEMS.TASKS.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.TASKS.START(
ID,
TMTEST.TEST_INIT'ACCESS,
0,
STATUS
);
TEST_SUPPORT.DIRECTIVE_FAILED( STATUS, "TASK_START OF TEST INIT" );
RTEMS.TASKS.DELETE( RTEMS.SELF, STATUS );
TEST_SUPPORT.DIRECTIVE_FAILED( STATUS, "TASK_DELETE OF SELF" );
end INIT;
--
-- TEST_INIT
--
procedure TEST_INIT (
ARGUMENT : in RTEMS.TASKS.ARGUMENT
) is
pragma Unreferenced(ARGUMENT);
PRIORITY : RTEMS.TASKS.PRIORITY;
TASK_ENTRY : RTEMS.TASKS.ENTRY_POINT;
STATUS : RTEMS.STATUS_CODES;
begin
PRIORITY := 250;
for INDEX in 0 .. TIME_TEST_SUPPORT.OPERATION_COUNT
loop
RTEMS.TASKS.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.TASKS.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
);
TEST_SUPPORT.DIRECTIVE_FAILED( STATUS, "EVENT_SEND" );
end TEST_INIT;
--
-- MIDDLE_TASKS
--
procedure MIDDLE_TASKS (
ARGUMENT : in RTEMS.TASKS.ARGUMENT
) is
pragma Unreferenced(ARGUMENT);
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
);
TEST_SUPPORT.DIRECTIVE_FAILED( STATUS, "EVENT_RECEIVE" );
TMTEST.TASK_COUNT := TMTEST.TASK_COUNT + 1;
RTEMS.EVENT.SEND( -- preempts task
TMTEST.TASK_ID( TMTEST.TASK_COUNT ),
RTEMS.EVENT_16,
STATUS
);
TEST_SUPPORT.DIRECTIVE_FAILED( STATUS, "EVENT_SEND" );
end MIDDLE_TASKS;
--
-- HIGH_TASK
--
procedure HIGH_TASK (
ARGUMENT : in RTEMS.TASKS.ARGUMENT
) is
pragma Unreferenced(ARGUMENT);
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
);
TEXT_IO.PUT_LINE( "*** END OF TIME TEST 16 ***" );
RTEMS.SHUTDOWN_EXECUTIVE( 0 );
end HIGH_TASK;
end TMTEST;
|
