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authorJoel Sherrill <joel.sherrill@OARcorp.com>1997-06-02 20:19:03 +0000
committerJoel Sherrill <joel.sherrill@OARcorp.com>1997-06-02 20:19:03 +0000
commit6d4e604be8b43c0555cd1c9531fe78ae199a1189 (patch)
treeadc303bfeaddf541a8f45ea1597f43bf8bf7a09d /c/src/ada-tests/tmtests/tm04/tmtest.ads
parentChanged bitwise OR's used to build up option and attribute sets (diff)
downloadrtems-6d4e604be8b43c0555cd1c9531fe78ae199a1189.tar.bz2
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+--
+-- TMTEST / SPECIFICATION
+--
+-- DESCRIPTION:
+--
+-- This package is the specification for Test 4 of the RTEMS
+-- Timing Test Suite.
+--
+-- DEPENDENCIES:
+--
+--
+--
+-- COPYRIGHT (c) 1989, 1990, 1991, 1992, 1993, 1994.
+-- On-Line Applications Research Corporation (OAR).
+-- All rights assigned to U.S. Government, 1994.
+--
+-- This material may be reproduced by or for the U.S. Government pursuant
+-- to the copyright license under the clause at DFARS 252.227-7013. This
+-- notice must appear in all copies of this file and its derivatives.
+--
+-- tmtest.ads,v 1.3 1995/07/12 19:43:13 joel Exp
+--
+
+with TIME_TEST_SUPPORT;
+with TIMER_DRIVER;
+with RTEMS;
+
+package TMTEST is
+
+--
+-- This array contains the IDs of all RTEMS tasks created by this test.
+--
+
+ TASK_ID : array ( RTEMS.UNSIGNED32
+ range 1 .. TIME_TEST_SUPPORT.OPERATION_COUNT ) of RTEMS.ID;
+
+--
+-- This variable contains the id of the highest priority task
+-- in the system.
+--
+
+ HIGHEST_ID : RTEMS.ID;
+
+--
+-- The following is the ID of the semaphore used for timing operations.
+--
+
+ SEMAPHORE_ID : RTEMS.ID;
+
+--
+-- The following is used to perform the same operation
+-- on a group of tasks.
+--
+
+ TASK_COUNT : RTEMS.UNSIGNED32;
+
+--
+-- The following variable is set to the execution time returned
+-- by the timer.
+--
+
+ END_TIME : RTEMS.UNSIGNED32;
+
+--
+-- INIT
+--
+-- DESCRIPTION:
+--
+-- This RTEMS task initializes the application.
+--
+
+ procedure INIT (
+ ARGUMENT : in RTEMS.TASK_ARGUMENT
+ );
+
+--
+-- TEST_INIT
+--
+-- DESCRIPTION:
+--
+-- This subprogram performs test initialization.
+--
+
+ procedure TEST_INIT;
+
+--
+-- HIGHEST_TASK
+--
+-- DESCRIPTION:
+--
+-- This RTEMS task is created by one of the LOW_TASKS. The
+-- first time it executes, it performs a blocking SEMAPHORE_OBTAIN
+-- which transfers control of the processor to HIGH_TASK.
+-- The first time HIGHEST_TASK is restarted, it stops the
+-- timer and reports the execution time for a TASK_RESTART
+-- for a blocked task which preempts the caller. The second
+-- time HIGHEST_TASK is restarted, it stops the timer and reports
+-- the execution time for a TASK_RESTART for a ready task which
+-- has its original priority restored and preempts the caller.
+--
+
+ procedure HIGHEST_TASK (
+ ARGUMENT : in RTEMS.TASK_ARGUMENT
+ );
+
+--
+-- HIGH_TASK
+--
+-- DESCRIPTION:
+--
+-- This RTEMS task is created by one of the LOW_TASKS. This
+-- task restarts HIGHEST_TASK twice. HIGHEST_TASK is blocked the
+-- first time and preempts this task when restarted. HIGHEST_TASK
+-- is ready the second time but has lowered its priority. When
+-- restarted for the second time, HIGHEST_TASK will have its
+-- original priority restored and preempt this task.
+-- Once control of the processor is returned to this task after
+-- HIGHEST_TASK deletes itself, the following execution times
+-- are measured and reported.
+--
+-- + readying SEMAPHORE_RELEASE
+-- + TASK_CREATE
+-- + TASK_START
+-- + TASK_RESTART of a suspended task
+-- + TASK_DELETE of a suspended task
+-- + TASK_RESTART of a ready task
+-- + TASK_RESTART of a blocked task which does not cause a preempt
+-- + TASK_DELETE of a blocked task
+--
+
+ procedure HIGH_TASK (
+ ARGUMENT : in RTEMS.TASK_ARGUMENT
+ );
+
+--
+-- LOW_TASKS
+--
+-- DESCRIPTION:
+--
+-- The last of these RTEMS tasks to execute creates HIGH_TASK
+-- and HIGHEST_TASK. All of these tasks perform a blocking
+-- SEMAPHORE_OBTAIN.
+--
+
+ procedure LOW_TASKS (
+ ARGUMENT : in RTEMS.TASK_ARGUMENT
+ );
+
+--
+-- RESTART_TASK
+--
+-- DESCRIPTION:
+--
+-- This RTEMS task
+--
+
+ procedure RESTART_TASK (
+ ARGUMENT : in RTEMS.TASK_ARGUMENT
+ );
+
+--
+-- This is the Initialization Tasks Table for this test.
+--
+
+ INITIALIZATION_TASKS : aliased RTEMS.INITIALIZATION_TASKS_TABLE( 1 .. 1 ) :=
+ (1=>
+ (
+ RTEMS.BUILD_NAME( 'U', 'I', '1', ' ' ), -- task name
+ 2048, -- stack size
+ 1, -- priority
+ RTEMS.DEFAULT_ATTRIBUTES, -- attributes
+ TMTEST.INIT'ACCESS, -- entry point
+ RTEMS.NO_PREEMPT, -- initial mode
+ 0 -- argument list
+ )
+ );
+
+--
+-- This is the Configuration Table for this test.
+--
+
+ CONFIGURATION : aliased RTEMS.CONFIGURATION_TABLE := (
+ RTEMS.NULL_ADDRESS, -- will be replaced by BSP
+ 256 * 1024, -- executive RAM size
+ 111, -- maximum # tasks
+ 0, -- maximum # timers
+ 1, -- maximum # semaphores
+ 0, -- maximum # message queues
+ 0, -- maximum # messages
+ 0, -- maximum # partitions
+ 0, -- maximum # regions
+ 0, -- maximum # dp memory areas
+ 0, -- maximum # periods
+ 0, -- maximum # user extensions
+ RTEMS.MILLISECONDS_TO_MICROSECONDS(10), -- # us in a tick
+ 0 -- # ticks in a timeslice
+ );
+
+end TMTEST;