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[freertos] / FreeRTOS / Demo / AVR_ATMega323_IAR / regtest.c
1 /*\r
2  * FreeRTOS Kernel V10.3.0\r
3  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.\r
4  *\r
5  * Permission is hereby granted, free of charge, to any person obtaining a copy of\r
6  * this software and associated documentation files (the "Software"), to deal in\r
7  * the Software without restriction, including without limitation the rights to\r
8  * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of\r
9  * the Software, and to permit persons to whom the Software is furnished to do so,\r
10  * subject to the following conditions:\r
11  *\r
12  * The above copyright notice and this permission notice shall be included in all\r
13  * copies or substantial portions of the Software.\r
14  *\r
15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\r
16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS\r
17  * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR\r
18  * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER\r
19  * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN\r
20  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.\r
21  *\r
22  * http://www.FreeRTOS.org\r
23  * http://aws.amazon.com/freertos\r
24  *\r
25  * 1 tab == 4 spaces!\r
26  */\r
27 \r
28 /* Scheduler include files. */\r
29 #include "FreeRTOS.h"\r
30 #include "task.h"\r
31 \r
32 /* Demo file headers. */\r
33 #include "regtest.h"\r
34 \r
35 /*\r
36  * Test tasks that sets registers to known values, then checks to ensure the\r
37  * values remain as expected.  Test 1 and test 2 use different values.\r
38  */\r
39 static void prvRegisterCheck1( void *pvParameters );\r
40 static void prvRegisterCheck2( void *pvParameters );\r
41 \r
42 /* Set to a non zero value should an error be found. */\r
43 portBASE_TYPE xRegTestError = pdFALSE;\r
44 \r
45 /*-----------------------------------------------------------*/\r
46 \r
47 void vStartRegTestTasks( void )\r
48 {\r
49         xTaskCreate( prvRegisterCheck1, "Reg1", configMINIMAL_STACK_SIZE, NULL, tskIDLE_PRIORITY, NULL );\r
50         xTaskCreate( prvRegisterCheck2, "Reg2", configMINIMAL_STACK_SIZE, NULL, tskIDLE_PRIORITY, NULL );               \r
51 }\r
52 /*-----------------------------------------------------------*/\r
53 \r
54 portBASE_TYPE xAreRegTestTasksStillRunning( void )\r
55 {\r
56 portBASE_TYPE xReturn;\r
57 \r
58         /* If a register was found to contain an unexpected value then the\r
59         xRegTestError variable would have been set to a non zero value. */\r
60         if( xRegTestError == pdFALSE )\r
61         {\r
62                 xReturn = pdTRUE;\r
63         }\r
64         else\r
65         {\r
66                 xReturn = pdFALSE;\r
67         }\r
68         \r
69         return xReturn;\r
70 }\r
71 /*-----------------------------------------------------------*/\r
72 \r
73 static void prvRegisterCheck1( void *pvParameters )\r
74 {\r
75         ( void ) pvParameters;\r
76 \r
77         for( ;; )\r
78         {\r
79                 asm(    "LDI    r31,    5"              );              \r
80                 asm(    "MOV    r0,             r31"    );\r
81                 asm(    "LDI    r31,    6"              );\r
82                 asm(    "MOV    r1,             r31"    );\r
83                 asm(    "LDI    r31,    7"              );\r
84                 asm(    "MOV    r2,             r31"    );\r
85                 asm(    "LDI    r31,    8"              );\r
86                 asm(    "MOV    r3,             r31"    );\r
87                 asm(    "LDI    r31,    9"              );\r
88                 asm(    "MOV    r4,             r31"    );\r
89                 asm(    "LDI    r31,    10"             );\r
90                 asm(    "MOV    r5,             r31"    );\r
91                 asm(    "LDI    r31,    11"             );\r
92                 asm(    "MOV    r6,             r31"    );\r
93                 asm(    "LDI    r31,    12"             );\r
94                 asm(    "MOV    r7,             r31"    );\r
95                 asm(    "LDI    r31,    13"             );\r
96                 asm(    "MOV    r8,             r31"    );\r
97                 asm(    "LDI    r31,    14"             );\r
98                 asm(    "MOV    r9,             r31"    );\r
99                 asm(    "LDI    r31,    15"             );\r
100                 asm(    "MOV    r10,    r31"    );\r
101                 asm(    "LDI    r31,    16"             );\r
102                 asm(    "MOV    r11,    r31"    );\r
103                 asm(    "LDI    r31,    17"             );\r
104                 asm(    "MOV    r12,    r31"    );\r
105                 asm(    "LDI    r31,    18"             );\r
106                 asm(    "MOV    r13,    r31"    );\r
107                 asm(    "LDI    r31,    19"             );\r
108                 asm(    "MOV    r14,    r31"    );\r
109                 asm(    "LDI    r31,    20"             );\r
110                 asm(    "MOV    r15,    r31"    );\r
111                 asm(    "LDI    r16,    21"             );\r
112                 asm(    "LDI    r17,    22"             );\r
113                 asm(    "LDI    r18,    23"             );\r
114                 asm(    "LDI    r19,    24"             );\r
115                 asm(    "LDI    r20,    25"             );\r
116                 asm(    "LDI    r21,    26"             );\r
117                 asm(    "LDI    r22,    27"             );\r
118                 asm(    "LDI    r23,    28"             );\r
119                 asm(    "LDI    r24,    29"             );\r
120                 asm(    "LDI    r25,    30"             );\r
121                 asm(    "LDI    r26,    31"             );\r
122                 asm(    "LDI    r27,    32"             );\r
123                 asm(    "LDI    r30,    33"             );\r
124 \r
125                 asm(    "LDI    r31,    5"                      );\r
126                 asm(    "CPSE   r31,    r0"                     );\r
127                 asm(    "STS    xRegTestError, r0"      );\r
128                 asm(    "LDI    r31,    6"                      );\r
129                 asm(    "CPSE   r31,    r1"                     );\r
130                 asm(    "STS    xRegTestError, r0"      );\r
131                 asm(    "LDI    r31,    7"                      );\r
132                 asm(    "CPSE   r31,    r2"                     );\r
133                 asm(    "STS    xRegTestError, r0"      );\r
134                 asm(    "LDI    r31,    8"                      );\r
135                 asm(    "CPSE   r31,    r3"                     );\r
136                 asm(    "STS    xRegTestError, r0"      );\r
137                 asm(    "LDI    r31,    9"                      );\r
138                 asm(    "CPSE   r31,    r4"                     );\r
139                 asm(    "STS    xRegTestError, r0"      );\r
140                 asm(    "LDI    r31,    10"                     );\r
141                 asm(    "CPSE   r31,    r5"                     );\r
142                 asm(    "STS    xRegTestError, r0"      );\r
143                 asm(    "LDI    r31,    11"                     );\r
144                 asm(    "CPSE   r31,    r6"                     );\r
145                 asm(    "STS    xRegTestError, r0"      );\r
146                 asm(    "LDI    r31,    12"                     );\r
147                 asm(    "CPSE   r31,    r7"                     );\r
148                 asm(    "STS    xRegTestError, r0"      );\r
149                 asm(    "LDI    r31,    13"                     );\r
150                 asm(    "CPSE   r31,    r8"                     );\r
151                 asm(    "STS    xRegTestError, r0"      );\r
152                 asm(    "LDI    r31,    14"                     );\r
153                 asm(    "CPSE   r31,    r9"                     );\r
154                 asm(    "STS    xRegTestError, r0"      );\r
155                 asm(    "LDI    r31,    15"                     );\r
156                 asm(    "CPSE   r31,    r10"            );\r
157                 asm(    "STS    xRegTestError, r0"      );\r
158                 asm(    "LDI    r31,    16"                     );\r
159                 asm(    "CPSE   r31,    r11"            );\r
160                 asm(    "STS    xRegTestError, r0"      );\r
161                 asm(    "LDI    r31,    17"                     );\r
162                 asm(    "CPSE   r31,    r12"            );\r
163                 asm(    "STS    xRegTestError, r0"      );\r
164                 asm(    "LDI    r31,    18"                     );\r
165                 asm(    "CPSE   r31,    r13"            );\r
166                 asm(    "STS    xRegTestError, r0"      );\r
167                 asm(    "LDI    r31,    19"                     );\r
168                 asm(    "CPSE   r31,    r14"            );\r
169                 asm(    "STS    xRegTestError, r0"      );\r
170                 asm(    "LDI    r31,    20"                     );\r
171                 asm(    "CPSE   r31,    r15"            );\r
172                 asm(    "STS    xRegTestError, r0"      );\r
173                 asm(    "LDI    r31,    21"                     );\r
174                 asm(    "CPSE   r31,    r16"            );\r
175                 asm(    "STS    xRegTestError, r0"      );\r
176                 asm(    "LDI    r31,    22"                     );\r
177                 asm(    "CPSE   r31,    r17"            );\r
178                 asm(    "STS    xRegTestError, r0"      );\r
179                 asm(    "LDI    r31,    23"                     );\r
180                 asm(    "CPSE   r31,    r18"            );\r
181                 asm(    "STS    xRegTestError, r0"      );\r
182                 asm(    "LDI    r31,    24"                     );\r
183                 asm(    "CPSE   r31,    r19"            );\r
184                 asm(    "STS    xRegTestError, r0"      );\r
185                 asm(    "LDI    r31,    25"                     );\r
186                 asm(    "CPSE   r31,    r20"            );\r
187                 asm(    "STS    xRegTestError, r0"      );\r
188                 asm(    "LDI    r31,    26"                     );\r
189                 asm(    "CPSE   r31,    r21"            );\r
190                 asm(    "STS    xRegTestError, r0"      );\r
191                 asm(    "LDI    r31,    27"                     );\r
192                 asm(    "CPSE   r31,    r22"            );\r
193                 asm(    "STS    xRegTestError, r0"      );\r
194                 asm(    "LDI    r31,    28"                     );\r
195                 asm(    "CPSE   r31,    r23"            );\r
196                 asm(    "STS    xRegTestError, r0"      );\r
197                 asm(    "LDI    r31,    29"                     );\r
198                 asm(    "CPSE   r31,    r24"            );\r
199                 asm(    "STS    xRegTestError, r0"      );\r
200                 asm(    "LDI    r31,    30"                     );\r
201                 asm(    "CPSE   r31,    r25"            );\r
202                 asm(    "STS    xRegTestError, r0"      );\r
203                 asm(    "LDI    r31,    31"                     );\r
204                 asm(    "CPSE   r31,    r26"            );\r
205                 asm(    "STS    xRegTestError, r0"      );\r
206                 asm(    "LDI    r31,    32"                     );\r
207                 asm(    "CPSE   r31,    r27"            );\r
208                 asm(    "STS    xRegTestError, r0"      );\r
209                 asm(    "LDI    r31,    33"                     );\r
210                 asm(    "CPSE   r31,    r30"            );\r
211                 asm(    "STS    xRegTestError, r0"      );\r
212         }\r
213 }\r
214 /*-----------------------------------------------------------*/\r
215 \r
216 static void prvRegisterCheck2( void *pvParameters )\r
217 {\r
218         ( void ) pvParameters;\r
219 \r
220         for( ;; )\r
221         {\r
222                 asm(    "LDI    r31,    1"              );              \r
223                 asm(    "MOV    r0,             r31"    );\r
224                 asm(    "LDI    r31,    2"              );\r
225                 asm(    "MOV    r1,             r31"    );\r
226                 asm(    "LDI    r31,    3"              );\r
227                 asm(    "MOV    r2,             r31"    );\r
228                 asm(    "LDI    r31,    4"              );\r
229                 asm(    "MOV    r3,             r31"    );\r
230                 asm(    "LDI    r31,    5"              );\r
231                 asm(    "MOV    r4,             r31"    );\r
232                 asm(    "LDI    r31,    6"              );\r
233                 asm(    "MOV    r5,             r31"    );\r
234                 asm(    "LDI    r31,    7"              );\r
235                 asm(    "MOV    r6,             r31"    );\r
236                 asm(    "LDI    r31,    8"              );\r
237                 asm(    "MOV    r7,             r31"    );\r
238                 asm(    "LDI    r31,    9"              );\r
239                 asm(    "MOV    r8,             r31"    );\r
240                 asm(    "LDI    r31,    10"             );\r
241                 asm(    "MOV    r9,             r31"    );\r
242                 asm(    "LDI    r31,    11"             );\r
243                 asm(    "MOV    r10,    r31"    );\r
244                 asm(    "LDI    r31,    12"             );\r
245                 asm(    "MOV    r11,    r31"    );\r
246                 asm(    "LDI    r31,    13"             );\r
247                 asm(    "MOV    r12,    r31"    );\r
248                 asm(    "LDI    r31,    14"             );\r
249                 asm(    "MOV    r13,    r31"    );\r
250                 asm(    "LDI    r31,    15"             );\r
251                 asm(    "MOV    r14,    r31"    );\r
252                 asm(    "LDI    r31,    16"             );\r
253                 asm(    "MOV    r15,    r31"    );\r
254                 asm(    "LDI    r16,    17"             );\r
255                 asm(    "LDI    r17,    18"             );\r
256                 asm(    "LDI    r18,    19"             );\r
257                 asm(    "LDI    r19,    20"             );\r
258                 asm(    "LDI    r20,    21"             );\r
259                 asm(    "LDI    r21,    22"             );\r
260                 asm(    "LDI    r22,    23"             );\r
261                 asm(    "LDI    r23,    24"             );\r
262                 asm(    "LDI    r24,    25"             );\r
263                 asm(    "LDI    r25,    26"             );\r
264                 asm(    "LDI    r26,    27"             );\r
265                 asm(    "LDI    r27,    28"             );\r
266                 asm(    "LDI    r30,    29"             );\r
267 \r
268                 asm(    "LDI    r31,    1"                      );\r
269                 asm(    "CPSE   r31,    r0"                     );\r
270                 asm(    "STS    xRegTestError, r0"      );\r
271                 asm(    "LDI    r31,    2"                      );\r
272                 asm(    "CPSE   r31,    r1"                     );\r
273                 asm(    "STS    xRegTestError, r0"      );\r
274                 asm(    "LDI    r31,    3"                      );\r
275                 asm(    "CPSE   r31,    r2"                     );\r
276                 asm(    "STS    xRegTestError, r0"      );\r
277                 asm(    "LDI    r31,    4"                      );\r
278                 asm(    "CPSE   r31,    r3"                     );\r
279                 asm(    "STS    xRegTestError, r0"      );\r
280                 asm(    "LDI    r31,    5"                      );\r
281                 asm(    "CPSE   r31,    r4"                     );\r
282                 asm(    "STS    xRegTestError, r0"      );\r
283                 asm(    "LDI    r31,    6"                      );\r
284                 asm(    "CPSE   r31,    r5"                     );\r
285                 asm(    "STS    xRegTestError, r0"      );\r
286                 asm(    "LDI    r31,    7"                      );\r
287                 asm(    "CPSE   r31,    r6"                     );\r
288                 asm(    "STS    xRegTestError, r0"      );\r
289                 asm(    "LDI    r31,    8"                      );\r
290                 asm(    "CPSE   r31,    r7"                     );\r
291                 asm(    "STS    xRegTestError, r0"      );\r
292                 asm(    "LDI    r31,    9"                      );\r
293                 asm(    "CPSE   r31,    r8"                     );\r
294                 asm(    "STS    xRegTestError, r0"      );\r
295                 asm(    "LDI    r31,    10"                     );\r
296                 asm(    "CPSE   r31,    r9"                     );\r
297                 asm(    "STS    xRegTestError, r0"      );\r
298                 asm(    "LDI    r31,    11"                     );\r
299                 asm(    "CPSE   r31,    r10"            );\r
300                 asm(    "STS    xRegTestError, r0"      );\r
301                 asm(    "LDI    r31,    12"                     );\r
302                 asm(    "CPSE   r31,    r11"            );\r
303                 asm(    "STS    xRegTestError, r0"      );\r
304                 asm(    "LDI    r31,    13"                     );\r
305                 asm(    "CPSE   r31,    r12"            );\r
306                 asm(    "STS    xRegTestError, r0"      );\r
307                 asm(    "LDI    r31,    14"                     );\r
308                 asm(    "CPSE   r31,    r13"            );\r
309                 asm(    "STS    xRegTestError, r0"      );\r
310                 asm(    "LDI    r31,    15"                     );\r
311                 asm(    "CPSE   r31,    r14"            );\r
312                 asm(    "STS    xRegTestError, r0"      );\r
313                 asm(    "LDI    r31,    16"                     );\r
314                 asm(    "CPSE   r31,    r15"            );\r
315                 asm(    "STS    xRegTestError, r0"      );\r
316                 asm(    "LDI    r31,    17"                     );\r
317                 asm(    "CPSE   r31,    r16"            );\r
318                 asm(    "STS    xRegTestError, r0"      );\r
319                 asm(    "LDI    r31,    18"                     );\r
320                 asm(    "CPSE   r31,    r17"            );\r
321                 asm(    "STS    xRegTestError, r0"      );\r
322                 asm(    "LDI    r31,    19"                     );\r
323                 asm(    "CPSE   r31,    r18"            );\r
324                 asm(    "STS    xRegTestError, r0"      );\r
325                 asm(    "LDI    r31,    20"                     );\r
326                 asm(    "CPSE   r31,    r19"            );\r
327                 asm(    "STS    xRegTestError, r0"      );\r
328                 asm(    "LDI    r31,    21"                     );\r
329                 asm(    "CPSE   r31,    r20"            );\r
330                 asm(    "STS    xRegTestError, r0"      );\r
331                 asm(    "LDI    r31,    22"                     );\r
332                 asm(    "CPSE   r31,    r21"            );\r
333                 asm(    "STS    xRegTestError, r0"      );\r
334                 asm(    "LDI    r31,    23"                     );\r
335                 asm(    "CPSE   r31,    r22"            );\r
336                 asm(    "STS    xRegTestError, r0"      );\r
337                 asm(    "LDI    r31,    24"                     );\r
338                 asm(    "CPSE   r31,    r23"            );\r
339                 asm(    "STS    xRegTestError, r0"      );\r
340                 asm(    "LDI    r31,    25"                     );\r
341                 asm(    "CPSE   r31,    r24"            );\r
342                 asm(    "STS    xRegTestError, r0"      );\r
343                 asm(    "LDI    r31,    26"                     );\r
344                 asm(    "CPSE   r31,    r25"            );\r
345                 asm(    "STS    xRegTestError, r0"      );\r
346                 asm(    "LDI    r31,    27"                     );\r
347                 asm(    "CPSE   r31,    r26"            );\r
348                 asm(    "STS    xRegTestError, r0"      );\r
349                 asm(    "LDI    r31,    28"                     );\r
350                 asm(    "CPSE   r31,    r27"            );\r
351                 asm(    "STS    xRegTestError, r0"      );\r
352                 asm(    "LDI    r31,    29"                     );\r
353                 asm(    "CPSE   r31,    r30"            );\r
354                 asm(    "STS    xRegTestError, r0"      );\r
355         }\r
356 }\r
357 \r