source: rtems/c/src/ada-tests/tmtests/tm27/tmtest.adb @ d0d73ec

4.104.114.84.95
Last change on this file since d0d73ec was bf9ae83, checked in by Joel Sherrill <joel.sherrill@…>, on 06/02/97 at 20:32:11

modified copyright notice to be the same as RTEMS 4.0.0.

changed the CVS ID string to be a "development" version.

  • Property mode set to 100644
File size: 5.8 KB
RevLine 
[6d4e604b]1--
2--  TMTEST / BODY
3--
4--  DESCRIPTION:
5--
6--  This package is the implementation of Test 27 of the RTEMS
7--  Timing Test Suite.
8--
9--  DEPENDENCIES:
10--
11-- 
12--
[bf9ae83]13--  COPYRIGHT (c) 1989-1997.
[6d4e604b]14--  On-Line Applications Research Corporation (OAR).
[bf9ae83]15--  Copyright assigned to U.S. Government, 1994.
[6d4e604b]16--
[bf9ae83]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.
[6d4e604b]20--
[bf9ae83]21--  $Id$
[6d4e604b]22--
23
24with INTERRUPT_TIME_TEST_SUPPORT;
25with INTERFACES; use INTERFACES;
26with RTEMS_CALLING_OVERHEAD;
27with RTEMS;
28with RTEMS_TEST_SUPPORT;
29with TEST_SUPPORT;
30with TEXT_IO;
31with TIME_TEST_SUPPORT;
32with UNSIGNED32_IO;
33
34package body TMTEST is
35
36--PAGE
37--
38--  INIT
39--
40
41   procedure INIT (
42      ARGUMENT : in     RTEMS.TASK_ARGUMENT
43   ) is
44      STATUS  : RTEMS.STATUS_CODES;
45   begin
46
47      TEXT_IO.NEW_LINE( 2 );
48      TEXT_IO.PUT_LINE( "*** TIME TEST 27 ***" );
49
50      RTEMS.TASK_CREATE(
51         RTEMS.BUILD_NAME( 'T', 'A', '1', ' ' ),
52         254,
53         2048,
54         RTEMS.DEFAULT_MODES,
55         RTEMS.DEFAULT_ATTRIBUTES,
56         TMTEST.TASK_ID( 1 ),
57         STATUS
58      );
59      TEST_SUPPORT.DIRECTIVE_FAILED( STATUS, "TASK_CREATE TASK_1" );
60
61      RTEMS.TASK_START(
62         TMTEST.TASK_ID( 1 ),
63         TMTEST.TASK_1'ACCESS,
64         0,
65         STATUS
66      );
67      TEST_SUPPORT.DIRECTIVE_FAILED( STATUS, "TASK_START TASK_1" );
68
69      RTEMS.TASK_CREATE(
70         RTEMS.BUILD_NAME( 'T', 'A', '2', ' ' ),
71         254,
72         2048,
73         RTEMS.DEFAULT_MODES,
74         RTEMS.DEFAULT_ATTRIBUTES,
75         TMTEST.TASK_ID( 2 ),
76         STATUS
77      );
78      TEST_SUPPORT.DIRECTIVE_FAILED( STATUS, "TASK_CREATE TASK_2" );
79
80      RTEMS.TASK_START(
81         TMTEST.TASK_ID( 2 ),
82         TMTEST.TASK_2'ACCESS,
83         0,
84         STATUS
85      );
86      TEST_SUPPORT.DIRECTIVE_FAILED( STATUS, "TASK_START TASK_2" );
87
88      RTEMS.TASK_DELETE( RTEMS.SELF, STATUS );
89      TEST_SUPPORT.DIRECTIVE_FAILED( STATUS, "TASK_DELETE OF SELF" );
90
91   end INIT;
92
93--PAGE
94--
95--  TASK_1
96--
97
98   procedure TASK_1 (
99      ARGUMENT : in     RTEMS.TASK_ARGUMENT
100   ) is
101   begin
102
103      RTEMS_TEST_SUPPORT.THREAD_DISPATCH_DISABLE_LEVEL := 1;
104
105      TMTEST.INTERRUPT_NEST := 1;
106
107      INTERRUPT_TIME_TEST_SUPPORT.INSTALL_HANDLER(
108         TMTEST.ISR_HANDLER'ADDRESS
109      );
110
111      TIMER_DRIVER.INITIALIZE;
112         INTERRUPT_TIME_TEST_SUPPORT.CAUSE_INTERRUPT;
113      -- goes to ISR_HANDLER
114         
115      TMTEST.INTERRUPT_RETURN_TIME := TIMER_DRIVER.READ_TIMER;
116
117      TIME_TEST_SUPPORT.PUT_TIME(
118         "INTERRUPT_ENTER (nested interrupt)",
119         TMTEST.INTERRUPT_ENTER_NESTED_TIME,
120         1,
121         0,
122         0
123      );
124 
125      TIME_TEST_SUPPORT.PUT_TIME(
126         "INTERRUPT_RETURN (nested interrupt)",
127         TMTEST.INTERRUPT_RETURN_NESTED_TIME,
128         1,
129         0,
130         0
131      );
132 
133      TMTEST.INTERRUPT_NEST := 0;
134     
135      RTEMS_TEST_SUPPORT.THREAD_DISPATCH_DISABLE_LEVEL := 0;
136     
137      TIMER_DRIVER.INITIALIZE;
138         INTERRUPT_TIME_TEST_SUPPORT.CAUSE_INTERRUPT;
139      -- goes to ISR_HANDLER
140         
141      TMTEST.INTERRUPT_RETURN_TIME := TIMER_DRIVER.READ_TIMER;
142
143      TIME_TEST_SUPPORT.PUT_TIME(
144         "INTERRUPT_ENTER (no preempt)",
145         TMTEST.INTERRUPT_ENTER_TIME,
146         1,
147         0,
148         0
149      );
150 
151      TIME_TEST_SUPPORT.PUT_TIME(
152         "INTERRUPT_RETURN (no preempt)",
153         TMTEST.INTERRUPT_RETURN_TIME,
154         1,
155         0,
156         0
157      );
158 
159      RTEMS_TEST_SUPPORT.THREAD_DISPATCH_DISABLE_LEVEL := 0;
160     
161      RTEMS_TEST_SUPPORT.THREAD_HEIR :=
162          RTEMS_TEST_SUPPORT.THREAD_TO_CONTROL_POINTER(
163             RTEMS_TEST_SUPPORT.CHAIN_NODE_POINTER_TO_ADDRESS(
164                RTEMS_TEST_SUPPORT.THREAD_READY_CHAIN( 254 ).LAST
165             )
166          );
167
168      RTEMS_TEST_SUPPORT.CONTEXT_SWITCH_NECESSARY := TRUE;
169
170      TIMER_DRIVER.INITIALIZE;
171         INTERRUPT_TIME_TEST_SUPPORT.CAUSE_INTERRUPT;
172      -- goes to ISR_HANDLER
173
174   end TASK_1;
175
176--PAGE
177--
178--  TASK_2
179--
180
181   procedure TASK_2 (
182      ARGUMENT : in     RTEMS.TASK_ARGUMENT
183   ) is
184   begin
185 
186      TMTEST.INTERRUPT_RETURN_TIME := TIMER_DRIVER.READ_TIMER;
187      TIME_TEST_SUPPORT.PUT_TIME(
188         "INTERRUPT_ENTER (preempt)",
189         TMTEST.INTERRUPT_ENTER_TIME,
190         1,
191         0,
192         0
193      );
194 
195      TIME_TEST_SUPPORT.PUT_TIME(
196         "INTERRUPT_RETURN (preempt)",
197         TMTEST.INTERRUPT_RETURN_TIME,
198         1,
199         0,
200         0
201      );
202
203      RTEMS.SHUTDOWN_EXECUTIVE( 0 );
204
205   end TASK_2;
206
207--PAGE
208--
209--  ISR_HANDLER
210--
211
212--
213--  The ISR_HANDLER and ISR_HANDLER_INNER subprograms are structured
214--  so that there will be as little entry overhead as possible included
215--  in the interrupt entry time.
216--
217
218   procedure ISR_HANDLER (
219      VECTOR : in     RTEMS.VECTOR_NUMBER
220   ) is
221   begin
222
223      TMTEST.END_TIME := TIMER_DRIVER.READ_TIMER;
224
225      TMTEST.ISR_HANDLER_INNER;
226
227   end ISR_HANDLER;
228
229--
230--  ISR_HANDLER_INNER
231--
232
233   procedure ISR_HANDLER_INNER
234   is
235   begin
236
237      -- enable tracing here is necessary
238
239      INTERRUPT_TIME_TEST_SUPPORT.CLEAR_INTERRUPT;
240
241      case TMTEST.INTERRUPT_NEST is
242         when 0 =>
243            TMTEST.INTERRUPT_ENTER_TIME := TMTEST.END_TIME;
244
245         when 1 =>
246            TMTEST.INTERRUPT_ENTER_TIME := TMTEST.END_TIME;
247            TMTEST.INTERRUPT_NEST := 2;
248            TIMER_DRIVER.INITIALIZE;
249               INTERRUPT_TIME_TEST_SUPPORT.CAUSE_INTERRUPT;
250            -- goes to a nested copy of ISR_HANDLER
251 
252            TMTEST.INTERRUPT_RETURN_NESTED_TIME := TIMER_DRIVER.READ_TIMER;
253
254         when 2 =>
255            TMTEST.INTERRUPT_ENTER_NESTED_TIME := TMTEST.END_TIME;
256
257         when others =>
258             NULL;
259
260      end case;
261
262      -- Start the timer so interrupt return times can be measured
263
264      TIMER_DRIVER.INITIALIZE;
265   
266   end ISR_HANDLER_INNER;
267
268end TMTEST;
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