1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
|
/*
FreeRTOS V8.2.1 - Copyright (C) 2015 Real Time Engineers Ltd.
All rights reserved
VISIT http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION.
This file is part of the FreeRTOS distribution.
FreeRTOS is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License (version 2) as published by the
Free Software Foundation >>!AND MODIFIED BY!<< the FreeRTOS exception.
***************************************************************************
>>! NOTE: The modification to the GPL is included to allow you to !<<
>>! distribute a combined work that includes FreeRTOS without being !<<
>>! obliged to provide the source code for proprietary components !<<
>>! outside of the FreeRTOS kernel. !<<
***************************************************************************
FreeRTOS is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
FOR A PARTICULAR PURPOSE. Full license text is available on the following
link: http://www.freertos.org/a00114.html
***************************************************************************
* *
* FreeRTOS provides completely free yet professionally developed, *
* robust, strictly quality controlled, supported, and cross *
* platform software that is more than just the market leader, it *
* is the industry's de facto standard. *
* *
* Help yourself get started quickly while simultaneously helping *
* to support the FreeRTOS project by purchasing a FreeRTOS *
* tutorial book, reference manual, or both: *
* http://www.FreeRTOS.org/Documentation *
* *
***************************************************************************
http://www.FreeRTOS.org/FAQHelp.html - Having a problem? Start by reading
the FAQ page "My application does not run, what could be wrong?". Have you
defined configASSERT()?
http://www.FreeRTOS.org/support - In return for receiving this top quality
embedded software for free we request you assist our global community by
participating in the support forum.
http://www.FreeRTOS.org/training - Investing in training allows your team to
be as productive as possible as early as possible. Now you can receive
FreeRTOS training directly from Richard Barry, CEO of Real Time Engineers
Ltd, and the world's leading authority on the world's leading RTOS.
http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products,
including FreeRTOS+Trace - an indispensable productivity tool, a DOS
compatible FAT file system, and our tiny thread aware UDP/IP stack.
http://www.FreeRTOS.org/labs - Where new FreeRTOS products go to incubate.
Come and try FreeRTOS+TCP, our new open source TCP/IP stack for FreeRTOS.
http://www.OpenRTOS.com - Real Time Engineers ltd. license FreeRTOS to High
Integrity Systems ltd. to sell under the OpenRTOS brand. Low cost OpenRTOS
licenses offer ticketed support, indemnification and commercial middleware.
http://www.SafeRTOS.com - High Integrity Systems also provide a safety
engineered and independently SIL3 certified version for use in safety and
mission critical applications that require provable dependability.
1 tab == 4 spaces!
*/
PUBLIC _prvRegTest1Implementation
PUBLIC _prvRegTest2Implementation
EXTERN _ulRegTest1CycleCount
EXTERN _ulRegTest2CycleCount
RSEG CODE:CODE(4)
/* This function is explained in the comments at the top of main.c. */
_prvRegTest1Implementation:
/* Put a known value in each register. */
MOV #1, R1
MOV #2, R2
MOV #3, R3
MOV #4, R4
MOV #5, R5
MOV #6, R6
MOV #7, R7
MOV #8, R8
MOV #9, R9
MOV #10, R10
MOV #11, R11
MOV #12, R12
MOV #13, R13
MOV #14, R14
MOV #15, R15
/* Loop, checking each itteration that each register still contains the
expected value. */
TestLoop1:
/* Push the registers that are going to get clobbered. */
PUSHM R14-R15
/* Increment the loop counter to show this task is still getting CPU time. */
MOV #_ulRegTest1CycleCount, R14
MOV [ R14 ], R15
ADD #1, R15
MOV R15, [ R14 ]
/* Yield to extend the text coverage. Set the bit in the ITU SWINTR register. */
MOV #1, R14
MOV #0872E0H, R15
MOV.B R14, [R15]
NOP
NOP
/* Restore the clobbered registers. */
POPM R14-R15
/* Now compare each register to ensure it still contains the value that was
set before this loop was entered. */
CMP #1, R1
BNE RegTest1Error
CMP #2, R2
BNE RegTest1Error
CMP #3, R3
BNE RegTest1Error
CMP #4, R4
BNE RegTest1Error
CMP #5, R5
BNE RegTest1Error
CMP #6, R6
BNE RegTest1Error
CMP #7, R7
BNE RegTest1Error
CMP #8, R8
BNE RegTest1Error
CMP #9, R9
BNE RegTest1Error
CMP #10, R10
BNE RegTest1Error
CMP #11, R11
BNE RegTest1Error
CMP #12, R12
BNE RegTest1Error
CMP #13, R13
BNE RegTest1Error
CMP #14, R14
BNE RegTest1Error
CMP #15, R15
BNE RegTest1Error
/* All comparisons passed, start a new itteratio of this loop. */
BRA TestLoop1
RegTest1Error:
/* A compare failed, just loop here so the loop counter stops incrementing
- causing the check task to indicate the error. */
BRA RegTest1Error
/*-----------------------------------------------------------*/
/* This function is explained in the comments at the top of main.c. */
_prvRegTest2Implementation:
/* Put a known value in each register. */
MOV #10H, R1
MOV #20H, R2
MOV #30H, R3
MOV #40H, R4
MOV #50H, R5
MOV #60H, R6
MOV #70H, R7
MOV #80H, R8
MOV #90H, R9
MOV #100H, R10
MOV #110H, R11
MOV #120H, R12
MOV #130H, R13
MOV #140H, R14
MOV #150H, R15
/* Loop, checking each itteration that each register still contains the
expected value. */
TestLoop2:
/* Push the registers that are going to get clobbered. */
PUSHM R14-R15
/* Increment the loop counter to show this task is still getting CPU time. */
MOV #_ulRegTest2CycleCount, R14
MOV [ R14 ], R15
ADD #1, R15
MOV R15, [ R14 ]
/* Restore the clobbered registers. */
POPM R14-R15
/* Now compare each register to ensure it still contains the value that was
set before this loop was entered. */
CMP #10H, R1
BNE RegTest2Error
CMP #20H, R2
BNE RegTest2Error
CMP #30H, R3
BNE RegTest2Error
CMP #40H, R4
BNE RegTest2Error
CMP #50H, R5
BNE RegTest2Error
CMP #60H, R6
BNE RegTest2Error
CMP #70H, R7
BNE RegTest2Error
CMP #80H, R8
BNE RegTest2Error
CMP #90H, R9
BNE RegTest2Error
CMP #100H, R10
BNE RegTest2Error
CMP #110H, R11
BNE RegTest2Error
CMP #120H, R12
BNE RegTest2Error
CMP #130H, R13
BNE RegTest2Error
CMP #140H, R14
BNE RegTest2Error
CMP #150H, R15
BNE RegTest2Error
/* All comparisons passed, start a new itteratio of this loop. */
BRA TestLoop2
RegTest2Error:
/* A compare failed, just loop here so the loop counter stops incrementing
- causing the check task to indicate the error. */
BRA RegTest2Error
END
|
