Welcome to mirror list, hosted at ThFree Co, Russian Federation.

group__mpu__functions.html « html « Core « docs « CMSIS « Drivers - github.com/Flipper-Zero/STM32CubeWB.git - Unnamed repository; edit this file 'description' to name the repository.
summaryrefslogtreecommitdiff
blob: 82bccc69cbe1956016f096870b0840c3613cdc15 (plain)
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
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
<meta http-equiv="X-UA-Compatible" content="IE=9"/>
<title>MPU Functions for Armv6-M/v7-M</title>
<title>CMSIS-Core (Cortex-M): MPU Functions for Armv6-M/v7-M</title>
<link href="tabs.css" rel="stylesheet" type="text/css"/>
<link href="cmsis.css" rel="stylesheet" type="text/css" />
<script type="text/javascript" src="jquery.js"></script>
<script type="text/javascript" src="dynsections.js"></script>
<script type="text/javascript" src="printComponentTabs.js"></script>
<link href="navtree.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="resize.js"></script>
<script type="text/javascript" src="navtree.js"></script>
<script type="text/javascript">
  $(document).ready(initResizable);
  $(window).load(resizeHeight);
</script>
<link href="search/search.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="search/search.js"></script>
<script type="text/javascript">
  $(document).ready(function() { searchBox.OnSelectItem(0); });
</script>
</head>
<body>
<div id="top"><!-- do not remove this div, it is closed by doxygen! -->
<div id="titlearea">
<table cellspacing="0" cellpadding="0">
 <tbody>
 <tr style="height: 46px;">
  <td id="projectlogo"><img alt="Logo" src="CMSIS_Logo_Final.png"/></td>
  <td style="padding-left: 0.5em;">
   <div id="projectname">CMSIS-Core (Cortex-M)
   &#160;<span id="projectnumber">Version 5.3.0</span>
   </div>
   <div id="projectbrief">CMSIS-Core support for Cortex-M processor-based devices</div>
  </td>
 </tr>
 </tbody>
</table>
</div>
<!-- end header part -->
<div id="CMSISnav" class="tabs1">
    <ul class="tablist">
      <script type="text/javascript">
		<!--
		writeComponentTabs.call(this);
		//-->
      </script>
	  </ul>
</div>
<!-- Generated by Doxygen 1.8.6 -->
<script type="text/javascript">
var searchBox = new SearchBox("searchBox", "search",false,'Search');
</script>
  <div id="navrow1" class="tabs">
    <ul class="tablist">
      <li><a href="index.html"><span>Main&#160;Page</span></a></li>
      <li><a href="pages.html"><span>Usage&#160;and&#160;Description</span></a></li>
      <li><a href="modules.html"><span>Reference</span></a></li>
      <li>
        <div id="MSearchBox" class="MSearchBoxInactive">
        <span class="left">
          <img id="MSearchSelect" src="search/mag_sel.png"
               onmouseover="return searchBox.OnSearchSelectShow()"
               onmouseout="return searchBox.OnSearchSelectHide()"
               alt=""/>
          <input type="text" id="MSearchField" value="Search" accesskey="S"
               onfocus="searchBox.OnSearchFieldFocus(true)" 
               onblur="searchBox.OnSearchFieldFocus(false)" 
               onkeyup="searchBox.OnSearchFieldChange(event)"/>
          </span><span class="right">
            <a id="MSearchClose" href="javascript:searchBox.CloseResultsWindow()"><img id="MSearchCloseImg" border="0" src="search/close.png" alt=""/></a>
          </span>
        </div>
      </li>
    </ul>
  </div>
</div><!-- top -->
<div id="side-nav" class="ui-resizable side-nav-resizable">
  <div id="nav-tree">
    <div id="nav-tree-contents">
      <div id="nav-sync" class="sync"></div>
    </div>
  </div>
  <div id="splitbar" style="-moz-user-select:none;" 
       class="ui-resizable-handle">
  </div>
</div>
<script type="text/javascript">
$(document).ready(function(){initNavTree('group__mpu__functions.html','');});
</script>
<div id="doc-content">
<!-- window showing the filter options -->
<div id="MSearchSelectWindow"
     onmouseover="return searchBox.OnSearchSelectShow()"
     onmouseout="return searchBox.OnSearchSelectHide()"
     onkeydown="return searchBox.OnSearchSelectKey(event)">
<a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(0)"><span class="SelectionMark">&#160;</span>All</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(1)"><span class="SelectionMark">&#160;</span>Data Structures</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(2)"><span class="SelectionMark">&#160;</span>Files</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(3)"><span class="SelectionMark">&#160;</span>Functions</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(4)"><span class="SelectionMark">&#160;</span>Variables</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(5)"><span class="SelectionMark">&#160;</span>Enumerations</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(6)"><span class="SelectionMark">&#160;</span>Enumerator</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(7)"><span class="SelectionMark">&#160;</span>Groups</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(8)"><span class="SelectionMark">&#160;</span>Pages</a></div>

<!-- iframe showing the search results (closed by default) -->
<div id="MSearchResultsWindow">
<iframe src="javascript:void(0)" frameborder="0" 
        name="MSearchResults" id="MSearchResults">
</iframe>
</div>

<div class="header">
  <div class="summary">
<a href="#groups">Content</a> &#124;
<a href="#nested-classes">Data Structures</a> &#124;
<a href="#define-members">Macros</a> &#124;
<a href="#func-members">Functions</a>  </div>
  <div class="headertitle">
<div class="title">MPU Functions for Armv6-M/v7-M</div>  </div>
</div><!--header-->
<div class="contents">

<p>Functions that relate to the Memory Protection Unit.  
<a href="#details">More...</a></p>
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="groups"></a>
Content</h2></td></tr>
<tr class="memitem:group__mpu__defines"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__mpu__defines.html">Define values</a></td></tr>
<tr class="memdesc:group__mpu__defines"><td class="mdescLeft">&#160;</td><td class="mdescRight">Define values for MPU region setup. <br/></td></tr>
<tr class="separator:"><td class="memSeparator" colspan="2">&#160;</td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="nested-classes"></a>
Data Structures</h2></td></tr>
<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structMPU__Type.html">MPU_Type</a></td></tr>
<tr class="memdesc:"><td class="mdescLeft">&#160;</td><td class="mdescRight">Structure type to access the Memory Protection Unit (MPU).  <a href="structMPU__Type.html#details">More...</a><br/></td></tr>
<tr class="separator:"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structARM__MPU__Region__t.html">ARM_MPU_Region_t</a></td></tr>
<tr class="memdesc:"><td class="mdescLeft">&#160;</td><td class="mdescRight">Setup information of a single MPU Region.  <a href="structARM__MPU__Region__t.html#details">More...</a><br/></td></tr>
<tr class="separator:"><td class="memSeparator" colspan="2">&#160;</td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="define-members"></a>
Macros</h2></td></tr>
<tr class="memitem:ga3fead12dc24a6d00ad53f55a042486ca"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__mpu__functions.html#ga3fead12dc24a6d00ad53f55a042486ca">ARM_MPU_RBAR</a>(Region, BaseAddress)</td></tr>
<tr class="memdesc:ga3fead12dc24a6d00ad53f55a042486ca"><td class="mdescLeft">&#160;</td><td class="mdescRight">MPU Region Base Address Register Value.  <a href="#ga3fead12dc24a6d00ad53f55a042486ca">More...</a><br/></td></tr>
<tr class="separator:ga3fead12dc24a6d00ad53f55a042486ca"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ga96b93785c92e2dbcb3a2356c25bf2adc"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__mpu__functions.html#ga96b93785c92e2dbcb3a2356c25bf2adc">ARM_MPU_RASR</a>(DisableExec, AccessPermission, TypeExtField, IsShareable, IsCacheable, IsBufferable, SubRegionDisable, Size)</td></tr>
<tr class="memdesc:ga96b93785c92e2dbcb3a2356c25bf2adc"><td class="mdescLeft">&#160;</td><td class="mdescRight">MPU Region Attribute and Size Register Value.  <a href="#ga96b93785c92e2dbcb3a2356c25bf2adc">More...</a><br/></td></tr>
<tr class="separator:ga96b93785c92e2dbcb3a2356c25bf2adc"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ga332ed5f8969dd4df6b61c6ae32ec36dc"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__mpu__functions.html#ga332ed5f8969dd4df6b61c6ae32ec36dc">ARM_MPU_RASR_EX</a>(DisableExec, AccessPermission, AccessAttributes, SubRegionDisable, Size)</td></tr>
<tr class="memdesc:ga332ed5f8969dd4df6b61c6ae32ec36dc"><td class="mdescLeft">&#160;</td><td class="mdescRight">MPU Region Attribute and Size Register Value.  <a href="#ga332ed5f8969dd4df6b61c6ae32ec36dc">More...</a><br/></td></tr>
<tr class="separator:ga332ed5f8969dd4df6b61c6ae32ec36dc"><td class="memSeparator" colspan="2">&#160;</td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a>
Functions</h2></td></tr>
<tr class="memitem:ga31406efd492ec9a091a70ffa2d8a42fb"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__compiler__conntrol__gr.html#gaba87361bfad2ae52cfe2f40c1a1dbf9c">__STATIC_INLINE</a> void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__mpu__functions.html#ga31406efd492ec9a091a70ffa2d8a42fb">ARM_MPU_Enable</a> (uint32_t MPU_CTRL)</td></tr>
<tr class="memdesc:ga31406efd492ec9a091a70ffa2d8a42fb"><td class="mdescLeft">&#160;</td><td class="mdescRight">Enable the memory protection unit (MPU) and.  <a href="#ga31406efd492ec9a091a70ffa2d8a42fb">More...</a><br/></td></tr>
<tr class="separator:ga31406efd492ec9a091a70ffa2d8a42fb"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ga7cbc0a4a066ed90e85c8176228235d57"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__compiler__conntrol__gr.html#gaba87361bfad2ae52cfe2f40c1a1dbf9c">__STATIC_INLINE</a> void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__mpu__functions.html#ga7cbc0a4a066ed90e85c8176228235d57">ARM_MPU_Disable</a> ()</td></tr>
<tr class="separator:ga7cbc0a4a066ed90e85c8176228235d57"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ga9dcb0afddf4ac351f33f3c7a5169c62c"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__compiler__conntrol__gr.html#gaba87361bfad2ae52cfe2f40c1a1dbf9c">__STATIC_INLINE</a> void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__mpu__functions.html#ga9dcb0afddf4ac351f33f3c7a5169c62c">ARM_MPU_ClrRegion</a> (uint32_t rnr)</td></tr>
<tr class="separator:ga9dcb0afddf4ac351f33f3c7a5169c62c"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ga16931f9ad84d7289e8218e169ae6db5d"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__compiler__conntrol__gr.html#gaba87361bfad2ae52cfe2f40c1a1dbf9c">__STATIC_INLINE</a> void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__mpu__functions.html#ga16931f9ad84d7289e8218e169ae6db5d">ARM_MPU_SetRegion</a> (uint32_t rbar, uint32_t rasr)</td></tr>
<tr class="separator:ga16931f9ad84d7289e8218e169ae6db5d"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ga042ba1a6a1a58795231459ac0410b809"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__compiler__conntrol__gr.html#gaba87361bfad2ae52cfe2f40c1a1dbf9c">__STATIC_INLINE</a> void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__mpu__functions.html#ga042ba1a6a1a58795231459ac0410b809">ARM_MPU_SetRegionEx</a> (uint32_t rnr, uint32_t rbar, uint32_t rasr)</td></tr>
<tr class="separator:ga042ba1a6a1a58795231459ac0410b809"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:gac1a949403bf84eecaf407003fb553ae7"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__compiler__conntrol__gr.html#gaba87361bfad2ae52cfe2f40c1a1dbf9c">__STATIC_INLINE</a> void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__mpu__functions.html#gac1a949403bf84eecaf407003fb553ae7">ARM_MPU_OrderedMemcpy</a> (volatile uint32_t *dst, const uint32_t *<a class="el" href="group__compiler__conntrol__gr.html#ga378ac21329d33f561f90265eef89f564">__RESTRICT</a> src, uint32_t len)</td></tr>
<tr class="separator:gac1a949403bf84eecaf407003fb553ae7"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:gafa27b26d5847fa8e465584e376b6078a"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__compiler__conntrol__gr.html#gaba87361bfad2ae52cfe2f40c1a1dbf9c">__STATIC_INLINE</a> void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__mpu__functions.html#gafa27b26d5847fa8e465584e376b6078a">ARM_MPU_Load</a> (MPU_Region_t const *table, uint32_t cnt)</td></tr>
<tr class="separator:gafa27b26d5847fa8e465584e376b6078a"><td class="memSeparator" colspan="2">&#160;</td></tr>
</table>
<a name="details" id="details"></a><h2 class="groupheader">Description</h2>
<p>The following functions support the optional Memory Protection Unit (MPU) that is available on the Cortex-M0+, M3, M4 and M7 processor.</p>
<p>The MPU is used to prevent from illegal memory accesses that are typically caused by errors in an application software.</p>
<p><b>Example:</b> </p>
<div class="fragment"><div class="line"><span class="keywordtype">void</span> main() </div>
<div class="line">{</div>
<div class="line">  <span class="comment">// Set Region 0</span></div>
<div class="line">  <a class="code" href="group__mpu__functions.html#ga042ba1a6a1a58795231459ac0410b809">ARM_MPU_SetRegionEx</a>(0UL, 0x08000000UL, MPU_RASR(0UL, ARM_MPU_AP_FULL, 0UL, 0UL, 1UL, 1UL, 0x00UL, ARM_MPU_REGION_SIZE_1MB));</div>
<div class="line">  </div>
<div class="line">  <a class="code" href="group__mpu__functions.html#ga31406efd492ec9a091a70ffa2d8a42fb">ARM_MPU_Enable</a>(0);</div>
<div class="line">  </div>
<div class="line">  <span class="comment">// Execute application code that is access protected by the MPU</span></div>
<div class="line">  </div>
<div class="line">  <a class="code" href="group__mpu__functions.html#ga7cbc0a4a066ed90e85c8176228235d57">ARM_MPU_Disable</a>();</div>
<div class="line">}</div>
</div><!-- fragment --> <h2 class="groupheader">Macro Definition Documentation</h2>
<a class="anchor" id="ga96b93785c92e2dbcb3a2356c25bf2adc"></a>
<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">#define ARM_MPU_RASR</td>
          <td>(</td>
          <td class="paramtype">&#160;</td>
          <td class="paramname">DisableExec, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">&#160;</td>
          <td class="paramname">AccessPermission, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">&#160;</td>
          <td class="paramname">TypeExtField, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">&#160;</td>
          <td class="paramname">IsShareable, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">&#160;</td>
          <td class="paramname">IsCacheable, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">&#160;</td>
          <td class="paramname">IsBufferable, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">&#160;</td>
          <td class="paramname">SubRegionDisable, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">&#160;</td>
          <td class="paramname">Size&#160;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td>
        </tr>
      </table>
</div><div class="memdoc">
<p>This macro is used to construct a valid <a class="el" href="structMPU__Type.html#a8f00c4a5e31b0a8d103ed3b0732c17a3">RASR</a> value. The ENABLE bit of the RASR value is implicitly set to 1.</p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">DisableExec</td><td>Instruction access disable bit. 1 = disable instruction fetches. </td></tr>
    <tr><td class="paramname">AccessPermission</td><td>Data access permission configures read/write access for User and Privileged mode. Possible values see <a class="el" href="group__mpu__defines.html#gabc4788126d7798469cb862a08d3050cc">ARM_MPU_AP_xxx</a>. </td></tr>
    <tr><td class="paramname">TypeExtField</td><td>Type extension field, allows you to configure memory access type, for example strongly ordered, peripheral. </td></tr>
    <tr><td class="paramname">IsShareable</td><td>1 = region is shareable between multiple bus masters. </td></tr>
    <tr><td class="paramname">IsCacheable</td><td>1 = region is cacheable (values may be kept in cache). </td></tr>
    <tr><td class="paramname">IsBufferable</td><td>1 = region is bufferable (when using write-back caching). Cacheable but non-bufferable regions use write-through policy. </td></tr>
    <tr><td class="paramname">SubRegionDisable</td><td>Sub-region disable field (8 bits). </td></tr>
    <tr><td class="paramname">Size</td><td>Region size with values defined under <a class="el" href="group__mpu__defines.html#gadb0a92c0928c113120567e85ff1ba05c">ARM_MPU_REGION_SIZE_xxx</a>. </td></tr>
  </table>
  </dd>
</dl>

</div>
</div>
<a class="anchor" id="ga332ed5f8969dd4df6b61c6ae32ec36dc"></a>
<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">#define ARM_MPU_RASR_EX</td>
          <td>(</td>
          <td class="paramtype">&#160;</td>
          <td class="paramname">DisableExec, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">&#160;</td>
          <td class="paramname">AccessPermission, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">&#160;</td>
          <td class="paramname">AccessAttributes, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">&#160;</td>
          <td class="paramname">SubRegionDisable, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">&#160;</td>
          <td class="paramname">Size&#160;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td>
        </tr>
      </table>
</div><div class="memdoc">
<p>This macro is used to construct a valid <a class="el" href="structMPU__Type.html#a8f00c4a5e31b0a8d103ed3b0732c17a3">RASR</a> value. The ENABLE bit of the RASR value is implicitly set to 1.</p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">DisableExec</td><td>Instruction access disable bit, 1= disable instruction fetches. </td></tr>
    <tr><td class="paramname">AccessPermission</td><td>Data access permission configures read/write access for User and Privileged mode. Possible values see <a class="el" href="group__mpu__defines.html#gabc4788126d7798469cb862a08d3050cc">ARM_MPU_AP_xxx</a>. </td></tr>
    <tr><td class="paramname">AccessAttributes</td><td>Memory access attribution, see <a class="el" href="group__mpu__defines.html#ga71d41084e984be70a23cb640fd89d1e2">ARM_MPU_ACCESS_xxx</a>. </td></tr>
    <tr><td class="paramname">SubRegionDisable</td><td>Sub-region disable field (8 bits). </td></tr>
    <tr><td class="paramname">Size</td><td>Region size with values defined under <a class="el" href="group__mpu__defines.html#gadb0a92c0928c113120567e85ff1ba05c">ARM_MPU_REGION_SIZE_xxx</a>. </td></tr>
  </table>
  </dd>
</dl>

</div>
</div>
<a class="anchor" id="ga3fead12dc24a6d00ad53f55a042486ca"></a>
<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">#define ARM_MPU_RBAR</td>
          <td>(</td>
          <td class="paramtype">&#160;</td>
          <td class="paramname">Region, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">&#160;</td>
          <td class="paramname">BaseAddress&#160;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td>
        </tr>
      </table>
</div><div class="memdoc">
<p>This preprocessor function can be used to construct a valid <a class="el" href="structMPU__Type.html#a990c609b26d990b8ba832b110adfd353">RBAR</a> value. The VALID bit is implicitly set to 1.</p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">Region</td><td>The region to be configured, number 0 to 15. </td></tr>
    <tr><td class="paramname">BaseAddress</td><td>The base address for the region. </td></tr>
  </table>
  </dd>
</dl>

</div>
</div>
<h2 class="groupheader">Function Documentation</h2>
<a class="anchor" id="ga9dcb0afddf4ac351f33f3c7a5169c62c"></a>
<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname"><a class="el" href="group__compiler__conntrol__gr.html#gaba87361bfad2ae52cfe2f40c1a1dbf9c">__STATIC_INLINE</a> void ARM_MPU_ClrRegion </td>
          <td>(</td>
          <td class="paramtype">uint32_t&#160;</td>
          <td class="paramname"><em>rnr</em></td><td>)</td>
          <td></td>
        </tr>
      </table>
</div><div class="memdoc">
<p>Clear and disable the given MPU region. </p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">rnr</td><td>Region number to be cleared. </td></tr>
  </table>
  </dd>
</dl>

</div>
</div>
<a class="anchor" id="ga7cbc0a4a066ed90e85c8176228235d57"></a>
<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname"><a class="el" href="group__compiler__conntrol__gr.html#gaba87361bfad2ae52cfe2f40c1a1dbf9c">__STATIC_INLINE</a> void ARM_MPU_Disable </td>
          <td>(</td>
          <td class="paramname"></td><td>)</td>
          <td></td>
        </tr>
      </table>
</div><div class="memdoc">
<p>Disable the MPU. </p>

</div>
</div>
<a class="anchor" id="ga31406efd492ec9a091a70ffa2d8a42fb"></a>
<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname"><a class="el" href="group__compiler__conntrol__gr.html#gaba87361bfad2ae52cfe2f40c1a1dbf9c">__STATIC_INLINE</a> void ARM_MPU_Enable </td>
          <td>(</td>
          <td class="paramtype">uint32_t&#160;</td>
          <td class="paramname"><em>MPU_CTRL</em></td><td>)</td>
          <td></td>
        </tr>
      </table>
</div><div class="memdoc">
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">MPU_CTRL</td><td>Additional control settings that configure MPU behaviour</td></tr>
  </table>
  </dd>
</dl>
<p>The function <a class="el" href="group__mpu8__functions.html#ga5a3f40314553baccdeea551f86d9a997">ARM_MPU_Enable</a> writes to the register <a class="el" href="structMPU__Type.html#a769178ef949f0d5d8f18ddbd9e4e926f">MPU-&gt;CTRL</a> and sets bit ENABLE. The parameter <em>MPU_CTRL</em> provides additional bit values (see table below) that configure the MPU behaviour. For processors that implement an <b>MPU Fault Handler</b> the <a class="el" href="group__NVIC__gr.html">MemoryManagement_IRQn</a> exception is enabled by setting the bit MEMFAULTACT in register SBC-&gt;SHCSR.</p>
<p>The following table contains possible values for the parameter <em>MPU_CTRL</em> that set specific bits in register MPU-&gt;CTRL. </p>
<table class="doxtable">
<tr>
<th align="left">Bit </th><th align="left">MPU_CTRL value </th><th align="left">When applied </th><th align="left">When not applied  </th></tr>
<tr>
<td align="left">1 </td><td align="left">MPU_CTRL_HFNMIENA_Msk </td><td align="left">Enable MPU during hard fault, NMI, and FAULTMASK handlers execution </td><td align="left">Disable MPU during hard fault, NMI, and FAULTMASK handler execution </td></tr>
<tr>
<td align="left">2 </td><td align="left">MPU_CTRL_PRIVDEFENA_Msk </td><td align="left">Enable default memory map as a background region for privileged access </td><td align="left">Use only MPU region settings </td></tr>
</table>
<p><b>Example:</b></p>
<div class="fragment"><div class="line"><span class="comment">// enable MPU with all region definitions. Exceptions are not protected by MPU.</span></div>
<div class="line">  MPU_Enable (0);</div>
<div class="line">  </div>
<div class="line"><span class="comment">// enable MPU with all region definitions and background regions for privileged access. Exceptions are protected by MPU.</span></div>
<div class="line">  MPU_Enable (MPU_CTRL_PRIVDEFENA_Msk | MPU_CTRL_HFNMIENA_Msk);</div>
</div><!-- fragment --> 
</div>
</div>
<a class="anchor" id="gafa27b26d5847fa8e465584e376b6078a"></a>
<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname"><a class="el" href="group__compiler__conntrol__gr.html#gaba87361bfad2ae52cfe2f40c1a1dbf9c">__STATIC_INLINE</a> void ARM_MPU_Load </td>
          <td>(</td>
          <td class="paramtype">MPU_Region_t const *&#160;</td>
          <td class="paramname"><em>table</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">uint32_t&#160;</td>
          <td class="paramname"><em>cnt</em>&#160;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td>
        </tr>
      </table>
</div><div class="memdoc">
<p>Load the given number of MPU regions from a table. </p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">table</td><td>Pointer to the MPU configuration table. </td></tr>
    <tr><td class="paramname">cnt</td><td>Number of regions to be configured.</td></tr>
  </table>
  </dd>
</dl>
<dl class="section note"><dt>Note</dt><dd>only up to 16 regions can be handled as the function <a class="el" href="group__mpu8__functions.html#gaca76614e3091c7324aa9d60e634621bf">ARM_MPU_Load</a> uses the REGION field in <a class="el" href="structMPU__Type.html#a990c609b26d990b8ba832b110adfd353">MPU-&gt;RBAR</a>.</dd></dl>
<p><b>Example:</b> </p>
<div class="fragment"><div class="line"><span class="keyword">const</span> <a class="code" href="structARM__MPU__Region__t.html">ARM_MPU_Region_t</a> mpuTable[3][4] = {</div>
<div class="line">  {</div>
<div class="line">    { .<a class="code" href="structARM__MPU__Region__t.html#afe7a7721aa08988d915670efa432cdd2">RBAR</a> = <a class="code" href="group__mpu__functions.html#ga3fead12dc24a6d00ad53f55a042486ca">ARM_MPU_RBAR</a>(0UL, 0x08000000UL), .RASR = <a class="code" href="group__mpu__functions.html#ga96b93785c92e2dbcb3a2356c25bf2adc">ARM_MPU_RASR</a>(0UL, ARM_MPU_AP_FULL, 0UL, 0UL, 1UL, 1UL, 0x00UL, ARM_MPU_REGION_SIZE_1MB)  },</div>
<div class="line">    { .RBAR = <a class="code" href="group__mpu__functions.html#ga3fead12dc24a6d00ad53f55a042486ca">ARM_MPU_RBAR</a>(1UL, 0x20000000UL), .RASR = <a class="code" href="group__mpu__functions.html#ga96b93785c92e2dbcb3a2356c25bf2adc">ARM_MPU_RASR</a>(1UL, ARM_MPU_AP_FULL, 0UL, 0UL, 1UL, 1UL, 0x00UL, ARM_MPU_REGION_SIZE_32KB) },</div>
<div class="line">    { .RBAR = <a class="code" href="group__mpu__functions.html#ga3fead12dc24a6d00ad53f55a042486ca">ARM_MPU_RBAR</a>(2UL, 0x40020000UL), .RASR = <a class="code" href="group__mpu__functions.html#ga96b93785c92e2dbcb3a2356c25bf2adc">ARM_MPU_RASR</a>(1UL, ARM_MPU_AP_FULL, 2UL, 0UL, 0UL, 0UL, 0x00UL, ARM_MPU_REGION_SIZE_8KB)  }, </div>
<div class="line">    { .RBAR = <a class="code" href="group__mpu__functions.html#ga3fead12dc24a6d00ad53f55a042486ca">ARM_MPU_RBAR</a>(3UL, 0x40022000UL), .RASR = <a class="code" href="group__mpu__functions.html#ga96b93785c92e2dbcb3a2356c25bf2adc">ARM_MPU_RASR</a>(1UL, ARM_MPU_AP_FULL, 2UL, 0UL, 0UL, 0UL, 0xC0UL, ARM_MPU_REGION_SIZE_4KB)  }</div>
<div class="line">  },</div>
<div class="line">  {</div>
<div class="line">    { .RBAR = <a class="code" href="group__mpu__functions.html#ga3fead12dc24a6d00ad53f55a042486ca">ARM_MPU_RBAR</a>(4UL, 0x08000000UL), .RASR = <a class="code" href="group__mpu__functions.html#ga96b93785c92e2dbcb3a2356c25bf2adc">ARM_MPU_RASR</a>(0UL, ARM_MPU_AP_FULL, 0UL, 0UL, 1UL, 1UL, 0x00UL, ARM_MPU_REGION_SIZE_1MB)  },</div>
<div class="line">    { .RBAR = <a class="code" href="group__mpu__functions.html#ga3fead12dc24a6d00ad53f55a042486ca">ARM_MPU_RBAR</a>(5UL, 0x20000000UL), .RASR = <a class="code" href="group__mpu__functions.html#ga96b93785c92e2dbcb3a2356c25bf2adc">ARM_MPU_RASR</a>(1UL, ARM_MPU_AP_FULL, 0UL, 0UL, 1UL, 1UL, 0x00UL, ARM_MPU_REGION_SIZE_32KB) },</div>
<div class="line">    { .RBAR = <a class="code" href="group__mpu__functions.html#ga3fead12dc24a6d00ad53f55a042486ca">ARM_MPU_RBAR</a>(6UL, 0x40020000UL), .RASR = <a class="code" href="group__mpu__functions.html#ga96b93785c92e2dbcb3a2356c25bf2adc">ARM_MPU_RASR</a>(1UL, ARM_MPU_AP_FULL, 2UL, 0UL, 0UL, 0UL, 0x00UL, ARM_MPU_REGION_SIZE_8KB)  }, </div>
<div class="line">    { .RBAR = <a class="code" href="group__mpu__functions.html#ga3fead12dc24a6d00ad53f55a042486ca">ARM_MPU_RBAR</a>(7UL, 0x40022000UL), .RASR = <a class="code" href="group__mpu__functions.html#ga96b93785c92e2dbcb3a2356c25bf2adc">ARM_MPU_RASR</a>(1UL, ARM_MPU_AP_FULL, 2UL, 0UL, 0UL, 0UL, 0xC0UL, ARM_MPU_REGION_SIZE_4KB)  }</div>
<div class="line">  },</div>
<div class="line">  {</div>
<div class="line">    { .RBAR = <a class="code" href="group__mpu__functions.html#ga3fead12dc24a6d00ad53f55a042486ca">ARM_MPU_RBAR</a>(4UL, 0x18000000UL), .RASR = <a class="code" href="group__mpu__functions.html#ga96b93785c92e2dbcb3a2356c25bf2adc">ARM_MPU_RASR</a>(0UL, ARM_MPU_AP_FULL, 0UL, 0UL, 1UL, 1UL, 0x00UL, ARM_MPU_REGION_SIZE_1MB)  },</div>
<div class="line">    { .RBAR = <a class="code" href="group__mpu__functions.html#ga3fead12dc24a6d00ad53f55a042486ca">ARM_MPU_RBAR</a>(5UL, 0x30000000UL), .RASR = <a class="code" href="group__mpu__functions.html#ga96b93785c92e2dbcb3a2356c25bf2adc">ARM_MPU_RASR</a>(1UL, ARM_MPU_AP_FULL, 0UL, 0UL, 1UL, 1UL, 0x00UL, ARM_MPU_REGION_SIZE_32KB) },</div>
<div class="line">    { .RBAR = <a class="code" href="group__mpu__functions.html#ga3fead12dc24a6d00ad53f55a042486ca">ARM_MPU_RBAR</a>(6UL, 0x50020000UL), .RASR = <a class="code" href="group__mpu__functions.html#ga96b93785c92e2dbcb3a2356c25bf2adc">ARM_MPU_RASR</a>(1UL, ARM_MPU_AP_FULL, 2UL, 0UL, 0UL, 0UL, 0x00UL, ARM_MPU_REGION_SIZE_8KB)  }, </div>
<div class="line">    { .RBAR = <a class="code" href="group__mpu__functions.html#ga3fead12dc24a6d00ad53f55a042486ca">ARM_MPU_RBAR</a>(7UL, 0x50022000UL), .RASR = <a class="code" href="group__mpu__functions.html#ga96b93785c92e2dbcb3a2356c25bf2adc">ARM_MPU_RASR</a>(1UL, ARM_MPU_AP_FULL, 2UL, 0UL, 0UL, 0UL, 0xC0UL, ARM_MPU_REGION_SIZE_4KB)  }</div>
<div class="line">  }</div>
<div class="line">};</div>
<div class="line"> </div>
<div class="line"><span class="keywordtype">void</span> UpdateMpu(uint32_t idx)</div>
<div class="line">{</div>
<div class="line">   <a class="code" href="group__mpu__functions.html#gafa27b26d5847fa8e465584e376b6078a">ARM_MPU_Load</a>(mpuTable[idx], 4);</div>
<div class="line">}</div>
</div><!-- fragment --> 
</div>
</div>
<a class="anchor" id="gac1a949403bf84eecaf407003fb553ae7"></a>
<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname"><a class="el" href="group__compiler__conntrol__gr.html#gaba87361bfad2ae52cfe2f40c1a1dbf9c">__STATIC_INLINE</a> void ARM_MPU_OrderedMemcpy </td>
          <td>(</td>
          <td class="paramtype">volatile uint32_t *&#160;</td>
          <td class="paramname"><em>dst</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">const uint32_t *<a class="el" href="group__compiler__conntrol__gr.html#ga378ac21329d33f561f90265eef89f564">__RESTRICT</a>&#160;</td>
          <td class="paramname"><em>src</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">uint32_t&#160;</td>
          <td class="paramname"><em>len</em>&#160;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td>
        </tr>
      </table>
</div><div class="memdoc">
<p>Memcopy with strictly ordered memory access, e.g. for register targets. </p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">dst</td><td>Destination data is copied to. </td></tr>
    <tr><td class="paramname">src</td><td>Source data is copied from. </td></tr>
    <tr><td class="paramname">len</td><td>Amount of data words to be copied. </td></tr>
  </table>
  </dd>
</dl>

</div>
</div>
<a class="anchor" id="ga16931f9ad84d7289e8218e169ae6db5d"></a>
<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname"><a class="el" href="group__compiler__conntrol__gr.html#gaba87361bfad2ae52cfe2f40c1a1dbf9c">__STATIC_INLINE</a> void ARM_MPU_SetRegion </td>
          <td>(</td>
          <td class="paramtype">uint32_t&#160;</td>
          <td class="paramname"><em>rbar</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">uint32_t&#160;</td>
          <td class="paramname"><em>rasr</em>&#160;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td>
        </tr>
      </table>
</div><div class="memdoc">
<p>Configure an MPU region.</p>
<p>The region number should be contained in the rbar value.</p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">rbar</td><td>Value for <a class="el" href="structMPU__Type.html#a990c609b26d990b8ba832b110adfd353">RBAR</a> register. </td></tr>
    <tr><td class="paramname">rasr</td><td>Value for <a class="el" href="structMPU__Type.html#a8f00c4a5e31b0a8d103ed3b0732c17a3">RASR</a> register. </td></tr>
  </table>
  </dd>
</dl>

</div>
</div>
<a class="anchor" id="ga042ba1a6a1a58795231459ac0410b809"></a>
<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname"><a class="el" href="group__compiler__conntrol__gr.html#gaba87361bfad2ae52cfe2f40c1a1dbf9c">__STATIC_INLINE</a> void ARM_MPU_SetRegionEx </td>
          <td>(</td>
          <td class="paramtype">uint32_t&#160;</td>
          <td class="paramname"><em>rnr</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">uint32_t&#160;</td>
          <td class="paramname"><em>rbar</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">uint32_t&#160;</td>
          <td class="paramname"><em>rasr</em>&#160;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td>
        </tr>
      </table>
</div><div class="memdoc">
<p>Configure the given MPU region. </p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">rnr</td><td>Region number to be configured. </td></tr>
    <tr><td class="paramname">rbar</td><td>Value for <a class="el" href="structMPU__Type.html#a990c609b26d990b8ba832b110adfd353">RBAR</a> register. </td></tr>
    <tr><td class="paramname">rasr</td><td>Value for <a class="el" href="structMPU__Type.html#a8f00c4a5e31b0a8d103ed3b0732c17a3">RASR</a> register. </td></tr>
  </table>
  </dd>
</dl>

</div>
</div>
</div><!-- contents -->
</div><!-- doc-content -->
<!-- start footer part -->
<div id="nav-path" class="navpath"><!-- id is needed for treeview function! -->
  <ul>
    <li class="footer">Generated on Wed Jul 10 2019 15:20:25 for CMSIS-Core (Cortex-M) Version 5.3.0 by Arm Ltd. All rights reserved.
	<!--
    <a href="http://www.doxygen.org/index.html">
    <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.8.6 
	-->
	</li>
  </ul>
</div>
</body>
</html>