-- SPDX-License-Identifier: BSD-2-Clause

--
--  TMTEST / BODY
--
--  DESCRIPTION:
--
--  This package is the implementation of Test 8 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 INTERFACES; use INTERFACES;
with RTEMS_CALLING_OVERHEAD;
with TEST_SUPPORT;
with TEXT_IO;
with TIME_TEST_SUPPORT;
with TIMER_DRIVER;
with RTEMS.CLOCK;

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 );
      TEST_SUPPORT.ADA_TEST_BEGIN;

      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
      STATUS     : RTEMS.STATUS_CODES;
   begin

      RTEMS.TASKS.CREATE( 
         1,
         128, 
         1024, 
         RTEMS.DEFAULT_OPTIONS,
         RTEMS.DEFAULT_ATTRIBUTES,
         TASK_ID,
         STATUS
      );
      TEST_SUPPORT.DIRECTIVE_FAILED( STATUS, "TASK_CREATE" );

      RTEMS.TASKS.START( TASK_ID, TMTEST.TEST_TASK'ACCESS, 0, STATUS );
      TEST_SUPPORT.DIRECTIVE_FAILED( STATUS, "TASK_START" );

      RTEMS.TASKS.CREATE( 
         1,
         254, 
         1024, 
         RTEMS.DEFAULT_OPTIONS,
         RTEMS.DEFAULT_ATTRIBUTES,
         TASK_ID,
         STATUS
      );
      TEST_SUPPORT.DIRECTIVE_FAILED( STATUS, "TASK_CREATE" );

      RTEMS.TASKS.START( TASK_ID, TMTEST.TEST_TASK1'ACCESS, 0, STATUS );
      TEST_SUPPORT.DIRECTIVE_FAILED( STATUS, "TASK_START" );

   end TEST_INIT;

-- 
--  TEST_TASK
--

   procedure TEST_TASK (
      ARGUMENT : in     RTEMS.TASKS.ARGUMENT
   ) is
      pragma Unreferenced(ARGUMENT);
      OVERHEAD     : RTEMS.UNSIGNED32;
      OLD_PRIORITY : RTEMS.TASKS.PRIORITY;
      OLD_MODE     : RTEMS.MODE;
      TIME         : RTEMS.TIME_OF_DAY;
      STATUS       : RTEMS.STATUS_CODES;
   begin

      TIMER_DRIVER.INITIALIZE;
         for INDEX in 1 .. TIME_TEST_SUPPORT.OPERATION_COUNT
         loop
            TIMER_DRIVER.EMPTY_FUNCTION;
         end loop;
      OVERHEAD := TIMER_DRIVER.READ_TIMER;

      TIMER_DRIVER.INITIALIZE;
         for INDEX in 1 .. TIME_TEST_SUPPORT.OPERATION_COUNT
         loop
            RTEMS.TASKS.SET_PRIORITY( 
               TMTEST.TASK_ID,
               RTEMS.TASKS.CURRENT_PRIORITY,
               OLD_PRIORITY,
               STATUS
            );
         end loop;
      TMTEST.END_TIME := TIMER_DRIVER.READ_TIMER;
      TIME_TEST_SUPPORT.PUT_TIME( 
         "TASK_SET_PRIORITY current priority",
         TMTEST.END_TIME, 
         TIME_TEST_SUPPORT.OPERATION_COUNT, 
         OVERHEAD,
         RTEMS_CALLING_OVERHEAD.TASK_SET_PRIORITY
      );

      TIMER_DRIVER.INITIALIZE;
         for INDEX in 1 .. TIME_TEST_SUPPORT.OPERATION_COUNT
         loop
            RTEMS.TASKS.SET_PRIORITY( 
               TMTEST.TASK_ID,
               253,
               OLD_PRIORITY,
               STATUS
            );
         end loop;
      TMTEST.END_TIME := TIMER_DRIVER.READ_TIMER;
      TIME_TEST_SUPPORT.PUT_TIME( 
         "TASK_SET_PRIORITY no preempt",
         TMTEST.END_TIME, 
         TIME_TEST_SUPPORT.OPERATION_COUNT, 
         OVERHEAD,
         RTEMS_CALLING_OVERHEAD.TASK_SET_PRIORITY
      );

      TIMER_DRIVER.INITIALIZE;
         for INDEX in 1 .. TIME_TEST_SUPPORT.OPERATION_COUNT
         loop
            RTEMS.TASKS.MODE( 
               RTEMS.CURRENT_MODE,
               RTEMS.CURRENT_MODE,
               OLD_MODE,
               STATUS
            );
         end loop;
      TMTEST.END_TIME := TIMER_DRIVER.READ_TIMER;
      TIME_TEST_SUPPORT.PUT_TIME( 
         "TASK_MODE (current)",
         TMTEST.END_TIME, 
         TIME_TEST_SUPPORT.OPERATION_COUNT, 
         OVERHEAD,
         RTEMS_CALLING_OVERHEAD.TASK_MODE
      );

      TIMER_DRIVER.INITIALIZE;
         for INDEX in 1 .. TIME_TEST_SUPPORT.OPERATION_COUNT
         loop
            RTEMS.TASKS.MODE( 
               RTEMS.INTERRUPT_LEVEL( 1 ),
               RTEMS.INTERRUPT_MASK,
               OLD_MODE,
               STATUS
            );
            RTEMS.TASKS.MODE( 
               RTEMS.INTERRUPT_LEVEL( 0 ),
               RTEMS.INTERRUPT_MASK,
               OLD_MODE,
               STATUS
            );
         end loop;
      TMTEST.END_TIME := TIMER_DRIVER.READ_TIMER;
      TIME_TEST_SUPPORT.PUT_TIME( 
         "TASK_MODE (no reschedule)",
         TMTEST.END_TIME, 
         TIME_TEST_SUPPORT.OPERATION_COUNT * 2, 
         OVERHEAD,
         RTEMS_CALLING_OVERHEAD.TASK_MODE
      );

      TIMER_DRIVER.INITIALIZE;
         RTEMS.TASKS.MODE( 
            RTEMS.NO_ASR,
            RTEMS.ASR_MASK,
            OLD_MODE,
            STATUS
         );
      TMTEST.END_TIME := TIMER_DRIVER.READ_TIMER;
      TIME_TEST_SUPPORT.PUT_TIME( 
         "TASK_MODE (reschedule)",
         TMTEST.END_TIME, 
         1, 
         0,
         RTEMS_CALLING_OVERHEAD.TASK_MODE
      );

      RTEMS.TASKS.MODE( 
         RTEMS.NO_PREEMPT,
         RTEMS.PREEMPT_MASK,
         OLD_MODE,
         STATUS
      );
      TEST_SUPPORT.DIRECTIVE_FAILED( STATUS, "TASK_MODE" );

      RTEMS.TASKS.SET_PRIORITY( 
         TMTEST.TASK_ID,
         1,
         OLD_PRIORITY,
         STATUS
      );
      TEST_SUPPORT.DIRECTIVE_FAILED( STATUS, "TASK_SET_PRIORITY" );

      TIMER_DRIVER.INITIALIZE;
      RTEMS.TASKS.MODE(          -- preempted by TEST_TASK1
         RTEMS.PREEMPT,
         RTEMS.PREEMPT_MASK,
         OLD_MODE,
         STATUS
      );

      TIME := (1988, 1, 1, 0, 0, 0, 0 );

      TIMER_DRIVER.INITIALIZE;
         for INDEX in 1 .. TIME_TEST_SUPPORT.OPERATION_COUNT
         loop
            RTEMS.CLOCK.SET( 
               TIME,
               STATUS
            );
         end loop;
      TMTEST.END_TIME := TIMER_DRIVER.READ_TIMER;
      TIME_TEST_SUPPORT.PUT_TIME( 
         "CLOCK_SET",
         TMTEST.END_TIME, 
         TIME_TEST_SUPPORT.OPERATION_COUNT, 
         OVERHEAD,
         RTEMS_CALLING_OVERHEAD.CLOCK_SET
      );

      TIMER_DRIVER.INITIALIZE;
         for INDEX in 1 .. TIME_TEST_SUPPORT.OPERATION_COUNT
         loop
            RTEMS.CLOCK.GET_TOD( TIME, STATUS );
         TEST_SUPPORT.DIRECTIVE_FAILED( STATUS, "CLOCK_GET_TOD" );
         end loop;
      TMTEST.END_TIME := TIMER_DRIVER.READ_TIMER;
      TIME_TEST_SUPPORT.PUT_TIME( 
         "CLOCK_GET_TOD",
         TMTEST.END_TIME, 
         TIME_TEST_SUPPORT.OPERATION_COUNT, 
         OVERHEAD,
         RTEMS_CALLING_OVERHEAD.CLOCK_GET
      );

      TEST_SUPPORT.ADA_TEST_END;
      RTEMS.SHUTDOWN_EXECUTIVE( 0 );

   end TEST_TASK;

-- 
--  TEST_TASK1
--

   procedure TEST_TASK1 (
      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_MODE (preemptive) ",
         TMTEST.END_TIME, 
         1, 
         0,
         RTEMS_CALLING_OVERHEAD.TASK_MODE
      );

      RTEMS.TASKS.SUSPEND( RTEMS.SELF, STATUS );
      TEST_SUPPORT.DIRECTIVE_FAILED( STATUS, "DOES NOT RETURN" );

   end TEST_TASK1;

end TMTEST;