source: rtems/c/src/ada-tests/tmtests/tm05/tmtest.adb @ fff840e

4.104.114.84.95
Last change on this file since fff840e was 1338cdb, checked in by Joel Sherrill <joel.sherrill@…>, on 06/03/97 at 21:46:18

Changed type Task_Entry_Point to Task_Entry to be correct per 4.0.0.

  • Property mode set to 100644
File size: 3.6 KB
Line 
1--
2--  TMTEST / BODY
3--
4--  DESCRIPTION:
5--
6--  This package is the implementation of Test 5 of the RTEMS
7--  Timing Test Suite.
8--
9--  DEPENDENCIES:
10--
11-- 
12--
13--  COPYRIGHT (c) 1989-1997.
14--  On-Line Applications Research Corporation (OAR).
15--  Copyright assigned to U.S. Government, 1994.
16--
17--  The license and distribution terms for this file may in
18--  the file LICENSE in this distribution or at
19--  http://www.OARcorp.com/rtems/license.html.
20--
21--  $Id$
22--
23
24with INTERFACES; use INTERFACES;
25with RTEMS;
26with RTEMS_CALLING_OVERHEAD;
27with TEST_SUPPORT;
28with TEXT_IO;
29with TIME_TEST_SUPPORT;
30with UNSIGNED32_IO;
31
32package body TMTEST is
33
34--PAGE
35--
36--  INIT
37--
38
39   procedure INIT (
40      ARGUMENT : in     RTEMS.TASK_ARGUMENT
41   ) is
42      TASK_ID : RTEMS.ID;
43      STATUS  : RTEMS.STATUS_CODES;
44   begin
45
46      TEXT_IO.NEW_LINE( 2 );
47      TEXT_IO.PUT_LINE( "*** TIME TEST 5 ***" );
48
49      TMTEST.TEST_INIT;
50
51      RTEMS.TASK_DELETE( RTEMS.SELF, STATUS );
52      TEST_SUPPORT.DIRECTIVE_FAILED( STATUS, "TASK_DELETE OF SELF" );
53
54   end INIT;
55
56--PAGE
57--
58--  TEST_INIT
59--
60
61   procedure TEST_INIT
62   is
63      INDEX      : RTEMS.UNSIGNED32;
64      TASK_ENTRY : RTEMS.TASK_ENTRY;
65      PRIORITY   : RTEMS.TASK_PRIORITY;
66      STATUS     : RTEMS.STATUS_CODES;
67   begin
68
69      PRIORITY := 250;
70
71      for INDEX in 0 .. TIME_TEST_SUPPORT.OPERATION_COUNT
72      loop
73
74         RTEMS.TASK_CREATE(
75            RTEMS.BUILD_NAME( 'T', 'I', 'M', 'E' ),
76            PRIORITY,
77            1024,
78            RTEMS.DEFAULT_MODES,
79            RTEMS.DEFAULT_ATTRIBUTES,
80            TMTEST.TASK_ID( INDEX ),
81            STATUS
82         );
83         TEST_SUPPORT.DIRECTIVE_FAILED( STATUS, "TASK_CREATE LOOP" );
84
85         PRIORITY := PRIORITY - 1;
86
87         if INDEX = 0 then
88            TASK_ENTRY := TMTEST.LOW_TASK'ACCESS;
89         elsif INDEX = TIME_TEST_SUPPORT.OPERATION_COUNT then
90            TASK_ENTRY := TMTEST.HIGH_TASK'ACCESS;
91         else
92            TASK_ENTRY := TMTEST.MIDDLE_TASKS'ACCESS;
93         end if;
94
95         RTEMS.TASK_START( TMTEST.TASK_ID( INDEX ), TASK_ENTRY, 0, STATUS );
96         TEST_SUPPORT.DIRECTIVE_FAILED( STATUS, "TASK_START LOOP" );
97
98      end loop;
99
100   end TEST_INIT;
101
102--PAGE
103--
104--  HIGH_TASK
105--
106
107   procedure HIGH_TASK (
108      ARGUMENT : in     RTEMS.TASK_ARGUMENT
109   ) is
110      STATUS       : RTEMS.STATUS_CODES;
111   begin
112
113      TIMER_DRIVER.INITIALIZE;
114         RTEMS.TASK_SUSPEND( RTEMS.SELF, STATUS );
115
116      TMTEST.END_TIME := TIMER_DRIVER.READ_TIMER;
117      TIME_TEST_SUPPORT.PUT_TIME(
118         "TASK_RESUME causing preempt",
119         TMTEST.END_TIME,
120         TIME_TEST_SUPPORT.OPERATION_COUNT,
121         0,
122         RTEMS_CALLING_OVERHEAD.TASK_RESUME
123      );
124
125      RTEMS.SHUTDOWN_EXECUTIVE( 0 );
126
127   end HIGH_TASK;
128
129--PAGE
130--
131--  MIDDLE_TASKS
132--
133
134   procedure MIDDLE_TASKS (
135      ARGUMENT : in     RTEMS.TASK_ARGUMENT
136   ) is
137      STATUS       : RTEMS.STATUS_CODES;
138   begin
139 
140      RTEMS.TASK_SUSPEND( RTEMS.SELF, STATUS );
141
142      TMTEST.TASK_INDEX := TMTEST.TASK_INDEX + 1;
143      RTEMS.TASK_RESUME( TMTEST.TASK_ID( TMTEST.TASK_INDEX ), STATUS );
144 
145   end MIDDLE_TASKS;
146
147--PAGE
148--
149--  LOW_TASK
150--
151
152   procedure LOW_TASK (
153      ARGUMENT : in     RTEMS.TASK_ARGUMENT
154   ) is
155      ID       : RTEMS.ID;
156      STATUS   : RTEMS.STATUS_CODES;
157   begin
158
159      TMTEST.END_TIME := TIMER_DRIVER.READ_TIMER;
160      TIME_TEST_SUPPORT.PUT_TIME(
161         "TASK_SUSPEND self",
162         TMTEST.END_TIME,
163         TIME_TEST_SUPPORT.OPERATION_COUNT,
164         0,
165         RTEMS_CALLING_OVERHEAD.TASK_SUSPEND
166      );
167   
168      TMTEST.TASK_INDEX := 1;
169      TIMER_DRIVER.INITIALIZE;
170      RTEMS.TASK_RESUME( TMTEST.TASK_ID( TMTEST.TASK_INDEX ), STATUS );
171
172   end LOW_TASK;
173
174end TMTEST;
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