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|
--
-- TMTEST / BODY
--
-- DESCRIPTION:
--
-- This package is the implementation of Test 5 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;
package body TMTEST is
--
-- INIT
--
procedure INIT (
ARGUMENT : in RTEMS.TASKS.ARGUMENT
) is
pragma Unreferenced(ARGUMENT);
STATUS : RTEMS.STATUS_CODES;
begin
TEXT_IO.NEW_LINE( 2 );
TEXT_IO.PUT_LINE( "*** TIME TEST 5 ***" );
TMTEST.TEST_INIT;
RTEMS.TASKS.DELETE( RTEMS.SELF, STATUS );
TEST_SUPPORT.DIRECTIVE_FAILED( STATUS, "TASK_DELETE OF SELF" );
end INIT;
--
-- TEST_INIT
--
procedure TEST_INIT
is
TASK_ENTRY : RTEMS.TASKS.ENTRY_POINT;
PRIORITY : RTEMS.TASKS.PRIORITY;
STATUS : RTEMS.STATUS_CODES;
begin
PRIORITY := 250;
for INDEX in 0 .. TIME_TEST_SUPPORT.OPERATION_COUNT
loop
RTEMS.TASKS.CREATE(
RTEMS.BUILD_NAME( 'T', 'I', 'M', 'E' ),
PRIORITY,
1024,
RTEMS.DEFAULT_MODES,
RTEMS.DEFAULT_ATTRIBUTES,
TMTEST.TASK_ID( INDEX ),
STATUS
);
TEST_SUPPORT.DIRECTIVE_FAILED( STATUS, "TASK_CREATE LOOP" );
PRIORITY := PRIORITY - 1;
if INDEX = 0 then
TASK_ENTRY := TMTEST.LOW_TASK'ACCESS;
elsif 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" );
end loop;
end TEST_INIT;
--
-- HIGH_TASK
--
procedure HIGH_TASK (
ARGUMENT : in RTEMS.TASKS.ARGUMENT
) is
pragma Unreferenced(ARGUMENT);
STATUS : RTEMS.STATUS_CODES;
begin
TIMER_DRIVER.INITIALIZE;
RTEMS.TASKS.SUSPEND( RTEMS.SELF, STATUS );
TEST_SUPPORT.DIRECTIVE_FAILED( STATUS, "TASK_SUSPENT" );
TMTEST.END_TIME := TIMER_DRIVER.READ_TIMER;
TIME_TEST_SUPPORT.PUT_TIME(
"TASK_RESUME causing preempt",
TMTEST.END_TIME,
TIME_TEST_SUPPORT.OPERATION_COUNT,
0,
RTEMS_CALLING_OVERHEAD.TASK_RESUME
);
TEXT_IO.PUT_LINE( "*** END OF TIME TEST 5 ***" );
RTEMS.SHUTDOWN_EXECUTIVE( 0 );
end HIGH_TASK;
--
-- MIDDLE_TASKS
--
procedure MIDDLE_TASKS (
ARGUMENT : in RTEMS.TASKS.ARGUMENT
) is
pragma Unreferenced(ARGUMENT);
STATUS : RTEMS.STATUS_CODES;
begin
RTEMS.TASKS.SUSPEND( RTEMS.SELF, STATUS );
TEST_SUPPORT.DIRECTIVE_FAILED( STATUS, "TASK_SUSPEND" );
TMTEST.TASK_INDEX := TMTEST.TASK_INDEX + 1;
RTEMS.TASKS.RESUME( TMTEST.TASK_ID( TMTEST.TASK_INDEX ), STATUS );
TEST_SUPPORT.DIRECTIVE_FAILED( STATUS, "TASK_RESUME" );
end MIDDLE_TASKS;
--
-- LOW_TASK
--
procedure LOW_TASK (
ARGUMENT : in RTEMS.TASKS.ARGUMENT
) is
pragma Unreferenced(ARGUMENT);
STATUS : RTEMS.STATUS_CODES;
begin
TMTEST.END_TIME := TIMER_DRIVER.READ_TIMER;
TIME_TEST_SUPPORT.PUT_TIME(
"TASK_SUSPEND self",
TMTEST.END_TIME,
TIME_TEST_SUPPORT.OPERATION_COUNT,
0,
RTEMS_CALLING_OVERHEAD.TASK_SUSPEND
);
TMTEST.TASK_INDEX := 1;
TIMER_DRIVER.INITIALIZE;
RTEMS.TASKS.RESUME( TMTEST.TASK_ID( TMTEST.TASK_INDEX ), STATUS );
TEST_SUPPORT.DIRECTIVE_FAILED( STATUS, "TASK_RESUME" );
end LOW_TASK;
end TMTEST;
|
