-- SPDX-License-Identifier: BSD-2-Clause -- -- TMTEST / SPECIFICATION -- -- DESCRIPTION: -- -- This package is the specification for Timer Check Test of the RTEMS -- Timing Test Suite. -- -- DEPENDENCIES: -- -- -- -- COPYRIGHT (c) 1989-2011. -- On-Line Applications Research Corporation (OAR). -- -- Redistribution and use in source and binary forms, with or without -- modification, are permitted provided that the following conditions -- are met: -- 1. Redistributions of source code must retain the above copyright -- notice, this list of conditions and the following disclaimer. -- 2. Redistributions in binary form must reproduce the above copyright -- notice, this list of conditions and the following disclaimer in the -- documentation and/or other materials provided with the distribution. -- -- THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -- AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -- IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -- ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -- LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -- CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -- SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -- INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -- CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -- ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -- POSSIBILITY OF SUCH DAMAGE. -- with RTEMS; with RTEMS.TASKS; package TMTEST is -- -- These arrays contain the IDs and NAMEs of all RTEMS tasks created -- by this test. -- TASK_ID : array ( RTEMS.UNSIGNED32 range 1 .. 3 ) of RTEMS.ID; TASK_NAME : array ( RTEMS.UNSIGNED32 range 1 .. 3 ) of RTEMS.NAME; -- -- The following variable is set to the execution time returned -- by the timer. -- END_TIME : RTEMS.UNSIGNED32; -- -- The following defines the number of iterations of each timed -- operation to perform. -- OPERATION_COUNT : constant RTEMS.UNSIGNED32 := 100000; -- -- The following array is used to determine how many times -- each time between 0 and 1000 microseconds was returned -- when simply starting and stopping the timer. DISTRIBUTION : array ( RTEMS.UNSIGNED32 range 0 .. 10000 ) of RTEMS.UNSIGNED32; -- -- INIT -- -- DESCRIPTION: -- -- This RTEMS task initializes the application. -- procedure INIT ( ARGUMENT : in RTEMS.TASKS.ARGUMENT ); pragma Convention (C, INIT); -- -- TASK_1 -- -- DESCRIPTION: -- -- This RTEMS task invokes CHECK_READ_TIMER before demonstrating -- that increasing the order of magnitude of the number of loop -- iterations performed has a corresponding impact on the time -- reported by the timer driver. -- procedure TASK_1 ( ARGUMENT : in RTEMS.TASKS.ARGUMENT ); pragma Convention (C, TASK_1); -- -- CHECK_READ_TIMER -- -- DESCRIPTION: -- -- This subprogram is used to determine the overhead associated -- with starting and stopping the timer. It is also useful -- for determining if unexpected times will be reported. -- procedure CHECK_READ_TIMER; end TMTEST;