forked from iNavFlight/inav
-
Notifications
You must be signed in to change notification settings - Fork 0
/
cmsis_armclang.h
executable file
·1736 lines (1386 loc) · 51.4 KB
/
cmsis_armclang.h
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
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
/**************************************************************************//**
* @file cmsis_armclang.h
* @brief CMSIS Cortex-M Core Function/Instruction Header File
* @version V5.00
* @date 28. October 2016
******************************************************************************/
/*
* Copyright (c) 2009-2016 ARM Limited. All rights reserved.
*
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the License); you may
* not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an AS IS BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef __CMSIS_ARMCLANG_H
#define __CMSIS_ARMCLANG_H
#ifndef __ARM_COMPAT_H
#include <arm_compat.h> /* Compatibility header for ARM Compiler 5 intrinsics */
#endif
/* CMSIS compiler specific defines */
#ifndef __ASM
#define __ASM __asm
#endif
#ifndef __INLINE
#define __INLINE __inline
#endif
#ifndef __STATIC_INLINE
#define __STATIC_INLINE static __inline
#endif
#ifndef __NO_RETURN
#define __NO_RETURN __attribute__((noreturn))
#endif
#ifndef __USED
#define __USED __attribute__((used))
#endif
#ifndef __WEAK
#define __WEAK __attribute__((weak))
#endif
#ifndef __UNALIGNED_UINT32
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wpacked"
struct __attribute__((packed)) T_UINT32 { uint32_t v; };
#pragma clang diagnostic pop
#define __UNALIGNED_UINT32(x) (((struct T_UINT32 *)(x))->v)
#endif
#ifndef __ALIGNED
#define __ALIGNED(x) __attribute__((aligned(x)))
#endif
#ifndef __PACKED
#define __PACKED __attribute__((packed, aligned(1)))
#endif
/* ########################### Core Function Access ########################### */
/** \ingroup CMSIS_Core_FunctionInterface
\defgroup CMSIS_Core_RegAccFunctions CMSIS Core Register Access Functions
@{
*/
/**
\brief Enable IRQ Interrupts
\details Enables IRQ interrupts by clearing the I-bit in the CPSR.
Can only be executed in Privileged modes.
*/
/* intrinsic void __enable_irq(); see arm_compat.h */
/**
\brief Disable IRQ Interrupts
\details Disables IRQ interrupts by setting the I-bit in the CPSR.
Can only be executed in Privileged modes.
*/
/* intrinsic void __disable_irq(); see arm_compat.h */
/**
\brief Get Control Register
\details Returns the content of the Control Register.
\return Control Register value
*/
__attribute__((always_inline)) __STATIC_INLINE uint32_t __get_CONTROL(void)
{
uint32_t result;
__ASM volatile ("MRS %0, control" : "=r" (result) );
return(result);
}
#if (defined (__ARM_FEATURE_CMSE ) && (__ARM_FEATURE_CMSE == 3))
/**
\brief Get Control Register (non-secure)
\details Returns the content of the non-secure Control Register when in secure mode.
\return non-secure Control Register value
*/
__attribute__((always_inline)) __STATIC_INLINE uint32_t __TZ_get_CONTROL_NS(void)
{
uint32_t result;
__ASM volatile ("MRS %0, control_ns" : "=r" (result) );
return(result);
}
#endif
/**
\brief Set Control Register
\details Writes the given value to the Control Register.
\param [in] control Control Register value to set
*/
__attribute__((always_inline)) __STATIC_INLINE void __set_CONTROL(uint32_t control)
{
__ASM volatile ("MSR control, %0" : : "r" (control) : "memory");
}
#if (defined (__ARM_FEATURE_CMSE ) && (__ARM_FEATURE_CMSE == 3))
/**
\brief Set Control Register (non-secure)
\details Writes the given value to the non-secure Control Register when in secure state.
\param [in] control Control Register value to set
*/
__attribute__((always_inline)) __STATIC_INLINE void __TZ_set_CONTROL_NS(uint32_t control)
{
__ASM volatile ("MSR control_ns, %0" : : "r" (control) : "memory");
}
#endif
/**
\brief Get IPSR Register
\details Returns the content of the IPSR Register.
\return IPSR Register value
*/
__attribute__((always_inline)) __STATIC_INLINE uint32_t __get_IPSR(void)
{
uint32_t result;
__ASM volatile ("MRS %0, ipsr" : "=r" (result) );
return(result);
}
/**
\brief Get APSR Register
\details Returns the content of the APSR Register.
\return APSR Register value
*/
__attribute__((always_inline)) __STATIC_INLINE uint32_t __get_APSR(void)
{
uint32_t result;
__ASM volatile ("MRS %0, apsr" : "=r" (result) );
return(result);
}
/**
\brief Get xPSR Register
\details Returns the content of the xPSR Register.
\return xPSR Register value
*/
__attribute__((always_inline)) __STATIC_INLINE uint32_t __get_xPSR(void)
{
uint32_t result;
__ASM volatile ("MRS %0, xpsr" : "=r" (result) );
return(result);
}
/**
\brief Get Process Stack Pointer
\details Returns the current value of the Process Stack Pointer (PSP).
\return PSP Register value
*/
__attribute__((always_inline)) __STATIC_INLINE uint32_t __get_PSP(void)
{
register uint32_t result;
__ASM volatile ("MRS %0, psp" : "=r" (result) );
return(result);
}
#if (defined (__ARM_FEATURE_CMSE ) && (__ARM_FEATURE_CMSE == 3))
/**
\brief Get Process Stack Pointer (non-secure)
\details Returns the current value of the non-secure Process Stack Pointer (PSP) when in secure state.
\return PSP Register value
*/
__attribute__((always_inline)) __STATIC_INLINE uint32_t __TZ_get_PSP_NS(void)
{
register uint32_t result;
__ASM volatile ("MRS %0, psp_ns" : "=r" (result) );
return(result);
}
#endif
/**
\brief Set Process Stack Pointer
\details Assigns the given value to the Process Stack Pointer (PSP).
\param [in] topOfProcStack Process Stack Pointer value to set
*/
__attribute__((always_inline)) __STATIC_INLINE void __set_PSP(uint32_t topOfProcStack)
{
__ASM volatile ("MSR psp, %0" : : "r" (topOfProcStack) : "sp");
}
#if (defined (__ARM_FEATURE_CMSE ) && (__ARM_FEATURE_CMSE == 3))
/**
\brief Set Process Stack Pointer (non-secure)
\details Assigns the given value to the non-secure Process Stack Pointer (PSP) when in secure state.
\param [in] topOfProcStack Process Stack Pointer value to set
*/
__attribute__((always_inline)) __STATIC_INLINE void __TZ_set_PSP_NS(uint32_t topOfProcStack)
{
__ASM volatile ("MSR psp_ns, %0" : : "r" (topOfProcStack) : "sp");
}
#endif
/**
\brief Get Main Stack Pointer
\details Returns the current value of the Main Stack Pointer (MSP).
\return MSP Register value
*/
__attribute__((always_inline)) __STATIC_INLINE uint32_t __get_MSP(void)
{
register uint32_t result;
__ASM volatile ("MRS %0, msp" : "=r" (result) );
return(result);
}
#if (defined (__ARM_FEATURE_CMSE ) && (__ARM_FEATURE_CMSE == 3))
/**
\brief Get Main Stack Pointer (non-secure)
\details Returns the current value of the non-secure Main Stack Pointer (MSP) when in secure state.
\return MSP Register value
*/
__attribute__((always_inline)) __STATIC_INLINE uint32_t __TZ_get_MSP_NS(void)
{
register uint32_t result;
__ASM volatile ("MRS %0, msp_ns" : "=r" (result) );
return(result);
}
#endif
/**
\brief Set Main Stack Pointer
\details Assigns the given value to the Main Stack Pointer (MSP).
\param [in] topOfMainStack Main Stack Pointer value to set
*/
__attribute__((always_inline)) __STATIC_INLINE void __set_MSP(uint32_t topOfMainStack)
{
__ASM volatile ("MSR msp, %0" : : "r" (topOfMainStack) : "sp");
}
#if (defined (__ARM_FEATURE_CMSE ) && (__ARM_FEATURE_CMSE == 3))
/**
\brief Set Main Stack Pointer (non-secure)
\details Assigns the given value to the non-secure Main Stack Pointer (MSP) when in secure state.
\param [in] topOfMainStack Main Stack Pointer value to set
*/
__attribute__((always_inline)) __STATIC_INLINE void __TZ_set_MSP_NS(uint32_t topOfMainStack)
{
__ASM volatile ("MSR msp_ns, %0" : : "r" (topOfMainStack) : "sp");
}
#endif
/**
\brief Get Priority Mask
\details Returns the current state of the priority mask bit from the Priority Mask Register.
\return Priority Mask value
*/
__attribute__((always_inline)) __STATIC_INLINE uint32_t __get_PRIMASK(void)
{
uint32_t result;
__ASM volatile ("MRS %0, primask" : "=r" (result) );
return(result);
}
#if (defined (__ARM_FEATURE_CMSE ) && (__ARM_FEATURE_CMSE == 3))
/**
\brief Get Priority Mask (non-secure)
\details Returns the current state of the non-secure priority mask bit from the Priority Mask Register when in secure state.
\return Priority Mask value
*/
__attribute__((always_inline)) __STATIC_INLINE uint32_t __TZ_get_PRIMASK_NS(void)
{
uint32_t result;
__ASM volatile ("MRS %0, primask_ns" : "=r" (result) );
return(result);
}
#endif
/**
\brief Set Priority Mask
\details Assigns the given value to the Priority Mask Register.
\param [in] priMask Priority Mask
*/
__attribute__((always_inline)) __STATIC_INLINE void __set_PRIMASK(uint32_t priMask)
{
__ASM volatile ("MSR primask, %0" : : "r" (priMask) : "memory");
}
#if (defined (__ARM_FEATURE_CMSE ) && (__ARM_FEATURE_CMSE == 3))
/**
\brief Set Priority Mask (non-secure)
\details Assigns the given value to the non-secure Priority Mask Register when in secure state.
\param [in] priMask Priority Mask
*/
__attribute__((always_inline)) __STATIC_INLINE void __TZ_set_PRIMASK_NS(uint32_t priMask)
{
__ASM volatile ("MSR primask_ns, %0" : : "r" (priMask) : "memory");
}
#endif
#if ((defined (__ARM_ARCH_7M__ ) && (__ARM_ARCH_7M__ == 1)) || \
(defined (__ARM_ARCH_7EM__ ) && (__ARM_ARCH_7EM__ == 1)) || \
(defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)) )
/**
\brief Enable FIQ
\details Enables FIQ interrupts by clearing the F-bit in the CPSR.
Can only be executed in Privileged modes.
*/
#define __enable_fault_irq __enable_fiq /* see arm_compat.h */
/**
\brief Disable FIQ
\details Disables FIQ interrupts by setting the F-bit in the CPSR.
Can only be executed in Privileged modes.
*/
#define __disable_fault_irq __disable_fiq /* see arm_compat.h */
/**
\brief Get Base Priority
\details Returns the current value of the Base Priority register.
\return Base Priority register value
*/
__attribute__((always_inline)) __STATIC_INLINE uint32_t __get_BASEPRI(void)
{
uint32_t result;
__ASM volatile ("MRS %0, basepri" : "=r" (result) );
return(result);
}
#if (defined (__ARM_FEATURE_CMSE ) && (__ARM_FEATURE_CMSE == 3))
/**
\brief Get Base Priority (non-secure)
\details Returns the current value of the non-secure Base Priority register when in secure state.
\return Base Priority register value
*/
__attribute__((always_inline)) __STATIC_INLINE uint32_t __TZ_get_BASEPRI_NS(void)
{
uint32_t result;
__ASM volatile ("MRS %0, basepri_ns" : "=r" (result) );
return(result);
}
#endif
/**
\brief Set Base Priority
\details Assigns the given value to the Base Priority register.
\param [in] basePri Base Priority value to set
*/
__attribute__((always_inline)) __STATIC_INLINE void __set_BASEPRI(uint32_t basePri)
{
__ASM volatile ("MSR basepri, %0" : : "r" (basePri) : "memory");
}
#if (defined (__ARM_FEATURE_CMSE ) && (__ARM_FEATURE_CMSE == 3))
/**
\brief Set Base Priority (non-secure)
\details Assigns the given value to the non-secure Base Priority register when in secure state.
\param [in] basePri Base Priority value to set
*/
__attribute__((always_inline)) __STATIC_INLINE void __TZ_set_BASEPRI_NS(uint32_t basePri)
{
__ASM volatile ("MSR basepri_ns, %0" : : "r" (basePri) : "memory");
}
#endif
/**
\brief Set Base Priority with condition
\details Assigns the given value to the Base Priority register only if BASEPRI masking is disabled,
or the new value increases the BASEPRI priority level.
\param [in] basePri Base Priority value to set
*/
__attribute__((always_inline)) __STATIC_INLINE void __set_BASEPRI_MAX(uint32_t basePri)
{
__ASM volatile ("MSR basepri_max, %0" : : "r" (basePri) : "memory");
}
/**
\brief Get Fault Mask
\details Returns the current value of the Fault Mask register.
\return Fault Mask register value
*/
__attribute__((always_inline)) __STATIC_INLINE uint32_t __get_FAULTMASK(void)
{
uint32_t result;
__ASM volatile ("MRS %0, faultmask" : "=r" (result) );
return(result);
}
#if (defined (__ARM_FEATURE_CMSE ) && (__ARM_FEATURE_CMSE == 3))
/**
\brief Get Fault Mask (non-secure)
\details Returns the current value of the non-secure Fault Mask register when in secure state.
\return Fault Mask register value
*/
__attribute__((always_inline)) __STATIC_INLINE uint32_t __TZ_get_FAULTMASK_NS(void)
{
uint32_t result;
__ASM volatile ("MRS %0, faultmask_ns" : "=r" (result) );
return(result);
}
#endif
/**
\brief Set Fault Mask
\details Assigns the given value to the Fault Mask register.
\param [in] faultMask Fault Mask value to set
*/
__attribute__((always_inline)) __STATIC_INLINE void __set_FAULTMASK(uint32_t faultMask)
{
__ASM volatile ("MSR faultmask, %0" : : "r" (faultMask) : "memory");
}
#if (defined (__ARM_FEATURE_CMSE ) && (__ARM_FEATURE_CMSE == 3))
/**
\brief Set Fault Mask (non-secure)
\details Assigns the given value to the non-secure Fault Mask register when in secure state.
\param [in] faultMask Fault Mask value to set
*/
__attribute__((always_inline)) __STATIC_INLINE void __TZ_set_FAULTMASK_NS(uint32_t faultMask)
{
__ASM volatile ("MSR faultmask_ns, %0" : : "r" (faultMask) : "memory");
}
#endif
#endif /* ((defined (__ARM_ARCH_7M__ ) && (__ARM_ARCH_7M__ == 1)) || \
(defined (__ARM_ARCH_7EM__ ) && (__ARM_ARCH_7EM__ == 1)) || \
(defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)) ) */
#if ((defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)) || \
(defined (__ARM_ARCH_8M_BASE__ ) && (__ARM_ARCH_8M_BASE__ == 1)) )
/**
\brief Get Process Stack Pointer Limit
\details Returns the current value of the Process Stack Pointer Limit (PSPLIM).
\return PSPLIM Register value
*/
__attribute__((always_inline)) __STATIC_INLINE uint32_t __get_PSPLIM(void)
{
register uint32_t result;
__ASM volatile ("MRS %0, psplim" : "=r" (result) );
return(result);
}
#if ((defined (__ARM_FEATURE_CMSE ) && (__ARM_FEATURE_CMSE == 3)) && \
(defined (__ARM_ARCH_8M_MAIN__) && (__ARM_ARCH_8M_MAIN__ == 1)) )
/**
\brief Get Process Stack Pointer Limit (non-secure)
\details Returns the current value of the non-secure Process Stack Pointer Limit (PSPLIM) when in secure state.
\return PSPLIM Register value
*/
__attribute__((always_inline)) __STATIC_INLINE uint32_t __TZ_get_PSPLIM_NS(void)
{
register uint32_t result;
__ASM volatile ("MRS %0, psplim_ns" : "=r" (result) );
return(result);
}
#endif
/**
\brief Set Process Stack Pointer Limit
\details Assigns the given value to the Process Stack Pointer Limit (PSPLIM).
\param [in] ProcStackPtrLimit Process Stack Pointer Limit value to set
*/
__attribute__((always_inline)) __STATIC_INLINE void __set_PSPLIM(uint32_t ProcStackPtrLimit)
{
__ASM volatile ("MSR psplim, %0" : : "r" (ProcStackPtrLimit));
}
#if ((defined (__ARM_FEATURE_CMSE ) && (__ARM_FEATURE_CMSE == 3)) && \
(defined (__ARM_ARCH_8M_MAIN__) && (__ARM_ARCH_8M_MAIN__ == 1)) )
/**
\brief Set Process Stack Pointer (non-secure)
\details Assigns the given value to the non-secure Process Stack Pointer Limit (PSPLIM) when in secure state.
\param [in] ProcStackPtrLimit Process Stack Pointer Limit value to set
*/
__attribute__((always_inline)) __STATIC_INLINE void __TZ_set_PSPLIM_NS(uint32_t ProcStackPtrLimit)
{
__ASM volatile ("MSR psplim_ns, %0\n" : : "r" (ProcStackPtrLimit));
}
#endif
/**
\brief Get Main Stack Pointer Limit
\details Returns the current value of the Main Stack Pointer Limit (MSPLIM).
\return MSPLIM Register value
*/
__attribute__((always_inline)) __STATIC_INLINE uint32_t __get_MSPLIM(void)
{
register uint32_t result;
__ASM volatile ("MRS %0, msplim" : "=r" (result) );
return(result);
}
#if ((defined (__ARM_FEATURE_CMSE ) && (__ARM_FEATURE_CMSE == 3)) && \
(defined (__ARM_ARCH_8M_MAIN__) && (__ARM_ARCH_8M_MAIN__ == 1)) )
/**
\brief Get Main Stack Pointer Limit (non-secure)
\details Returns the current value of the non-secure Main Stack Pointer Limit(MSPLIM) when in secure state.
\return MSPLIM Register value
*/
__attribute__((always_inline)) __STATIC_INLINE uint32_t __TZ_get_MSPLIM_NS(void)
{
register uint32_t result;
__ASM volatile ("MRS %0, msplim_ns" : "=r" (result) );
return(result);
}
#endif
/**
\brief Set Main Stack Pointer Limit
\details Assigns the given value to the Main Stack Pointer Limit (MSPLIM).
\param [in] MainStackPtrLimit Main Stack Pointer Limit value to set
*/
__attribute__((always_inline)) __STATIC_INLINE void __set_MSPLIM(uint32_t MainStackPtrLimit)
{
__ASM volatile ("MSR msplim, %0" : : "r" (MainStackPtrLimit));
}
#if ((defined (__ARM_FEATURE_CMSE ) && (__ARM_FEATURE_CMSE == 3)) && \
(defined (__ARM_ARCH_8M_MAIN__) && (__ARM_ARCH_8M_MAIN__ == 1)) )
/**
\brief Set Main Stack Pointer Limit (non-secure)
\details Assigns the given value to the non-secure Main Stack Pointer Limit (MSPLIM) when in secure state.
\param [in] MainStackPtrLimit Main Stack Pointer value to set
*/
__attribute__((always_inline)) __STATIC_INLINE void __TZ_set_MSPLIM_NS(uint32_t MainStackPtrLimit)
{
__ASM volatile ("MSR msplim_ns, %0" : : "r" (MainStackPtrLimit));
}
#endif
#endif /* ((defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)) || \
(defined (__ARM_ARCH_8M_BASE__ ) && (__ARM_ARCH_8M_BASE__ == 1)) ) */
#if ((defined (__ARM_ARCH_7EM__ ) && (__ARM_ARCH_7EM__ == 1)) || \
(defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)) )
/**
\brief Get FPSCR
\details Returns the current value of the Floating Point Status/Control register.
\return Floating Point Status/Control register value
*/
/* #define __get_FPSCR __builtin_arm_get_fpscr */
__attribute__((always_inline)) __STATIC_INLINE uint32_t __get_FPSCR(void)
{
#if ((defined (__FPU_PRESENT) && (__FPU_PRESENT == 1U)) && \
(defined (__FPU_USED ) && (__FPU_USED == 1U)) )
uint32_t result;
__ASM volatile (""); /* Empty asm statement works as a scheduling barrier */
__ASM volatile ("VMRS %0, fpscr" : "=r" (result) );
__ASM volatile ("");
return(result);
#else
return(0U);
#endif
}
/**
\brief Set FPSCR
\details Assigns the given value to the Floating Point Status/Control register.
\param [in] fpscr Floating Point Status/Control value to set
*/
/* #define __set_FPSCR __builtin_arm_set_fpscr */
__attribute__((always_inline)) __STATIC_INLINE void __set_FPSCR(uint32_t fpscr)
{
#if ((defined (__FPU_PRESENT) && (__FPU_PRESENT == 1U)) && \
(defined (__FPU_USED ) && (__FPU_USED == 1U)) )
__ASM volatile (""); /* Empty asm statement works as a scheduling barrier */
/* __ASM volatile ("VMSR fpscr, %0" : : "r" (fpscr) : "vfpcc"); */
__ASM volatile ("VMSR fpscr, %0" : : "r" (fpscr) :);
__ASM volatile ("");
#else
(void)fpscr;
#endif
}
#endif /* ((defined (__ARM_ARCH_7EM__ ) && (__ARM_ARCH_7EM__ == 1)) || \
(defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)) ) */
/*@} end of CMSIS_Core_RegAccFunctions */
/* ########################## Core Instruction Access ######################### */
/** \defgroup CMSIS_Core_InstructionInterface CMSIS Core Instruction Interface
Access to dedicated instructions
@{
*/
/* Define macros for porting to both thumb1 and thumb2.
* For thumb1, use low register (r0-r7), specified by constraint "l"
* Otherwise, use general registers, specified by constraint "r" */
#if defined (__thumb__) && !defined (__thumb2__)
#define __CMSIS_GCC_OUT_REG(r) "=l" (r)
#define __CMSIS_GCC_USE_REG(r) "l" (r)
#else
#define __CMSIS_GCC_OUT_REG(r) "=r" (r)
#define __CMSIS_GCC_USE_REG(r) "r" (r)
#endif
/**
\brief No Operation
\details No Operation does nothing. This instruction can be used for code alignment purposes.
*/
#define __NOP __builtin_arm_nop
/**
\brief Wait For Interrupt
\details Wait For Interrupt is a hint instruction that suspends execution until one of a number of events occurs.
*/
#define __WFI __builtin_arm_wfi
/**
\brief Wait For Event
\details Wait For Event is a hint instruction that permits the processor to enter
a low-power state until one of a number of events occurs.
*/
#define __WFE __builtin_arm_wfe
/**
\brief Send Event
\details Send Event is a hint instruction. It causes an event to be signaled to the CPU.
*/
#define __SEV __builtin_arm_sev
/**
\brief Instruction Synchronization Barrier
\details Instruction Synchronization Barrier flushes the pipeline in the processor,
so that all instructions following the ISB are fetched from cache or memory,
after the instruction has been completed.
*/
#define __ISB() __builtin_arm_isb(0xF);
/**
\brief Data Synchronization Barrier
\details Acts as a special kind of Data Memory Barrier.
It completes when all explicit memory accesses before this instruction complete.
*/
#define __DSB() __builtin_arm_dsb(0xF);
/**
\brief Data Memory Barrier
\details Ensures the apparent order of the explicit memory operations before
and after the instruction, without ensuring their completion.
*/
#define __DMB() __builtin_arm_dmb(0xF);
/**
\brief Reverse byte order (32 bit)
\details Reverses the byte order in integer value.
\param [in] value Value to reverse
\return Reversed value
*/
#define __REV __builtin_bswap32
/**
\brief Reverse byte order (16 bit)
\details Reverses the byte order in two unsigned short values.
\param [in] value Value to reverse
\return Reversed value
*/
#define __REV16 __builtin_bswap16 /* ToDo ARMCLANG: check if __builtin_bswap16 could be used */
#if 0
__attribute__((always_inline)) __STATIC_INLINE uint32_t __REV16(uint32_t value)
{
uint32_t result;
__ASM volatile ("rev16 %0, %1" : __CMSIS_GCC_OUT_REG (result) : __CMSIS_GCC_USE_REG (value) );
return(result);
}
#endif
/**
\brief Reverse byte order in signed short value
\details Reverses the byte order in a signed short value with sign extension to integer.
\param [in] value Value to reverse
\return Reversed value
*/
/* ToDo ARMCLANG: check if __builtin_bswap16 could be used */
__attribute__((always_inline)) __STATIC_INLINE int32_t __REVSH(int32_t value)
{
int32_t result;
__ASM volatile ("revsh %0, %1" : __CMSIS_GCC_OUT_REG (result) : __CMSIS_GCC_USE_REG (value) );
return(result);
}
/**
\brief Rotate Right in unsigned value (32 bit)
\details Rotate Right (immediate) provides the value of the contents of a register rotated by a variable number of bits.
\param [in] op1 Value to rotate
\param [in] op2 Number of Bits to rotate
\return Rotated value
*/
__attribute__((always_inline)) __STATIC_INLINE uint32_t __ROR(uint32_t op1, uint32_t op2)
{
return (op1 >> op2) | (op1 << (32U - op2));
}
/**
\brief Breakpoint
\details Causes the processor to enter Debug state.
Debug tools can use this to investigate system state when the instruction at a particular address is reached.
\param [in] value is ignored by the processor.
If required, a debugger can use it to store additional information about the breakpoint.
*/
#define __BKPT(value) __ASM volatile ("bkpt "#value)
/**
\brief Reverse bit order of value
\details Reverses the bit order of the given value.
\param [in] value Value to reverse
\return Reversed value
*/
/* ToDo ARMCLANG: check if __builtin_arm_rbit is supported */
__attribute__((always_inline)) __STATIC_INLINE uint32_t __RBIT(uint32_t value)
{
uint32_t result;
#if ((defined (__ARM_ARCH_7M__ ) && (__ARM_ARCH_7M__ == 1)) || \
(defined (__ARM_ARCH_7EM__ ) && (__ARM_ARCH_7EM__ == 1)) || \
(defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)) )
__ASM volatile ("rbit %0, %1" : "=r" (result) : "r" (value) );
#else
int32_t s = (4 /*sizeof(v)*/ * 8) - 1; /* extra shift needed at end */
result = value; /* r will be reversed bits of v; first get LSB of v */
for (value >>= 1U; value; value >>= 1U)
{
result <<= 1U;
result |= value & 1U;
s--;
}
result <<= s; /* shift when v's highest bits are zero */
#endif
return(result);
}
/**
\brief Count leading zeros
\details Counts the number of leading zeros of a data value.
\param [in] value Value to count the leading zeros
\return number of leading zeros in value
*/
#define __CLZ __builtin_clz
#if ((defined (__ARM_ARCH_7M__ ) && (__ARM_ARCH_7M__ == 1)) || \
(defined (__ARM_ARCH_7EM__ ) && (__ARM_ARCH_7EM__ == 1)) || \
(defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)) || \
(defined (__ARM_ARCH_8M_BASE__ ) && (__ARM_ARCH_8M_BASE__ == 1)) )
/**
\brief LDR Exclusive (8 bit)
\details Executes a exclusive LDR instruction for 8 bit value.
\param [in] ptr Pointer to data
\return value of type uint8_t at (*ptr)
*/
#define __LDREXB (uint8_t)__builtin_arm_ldrex
/**
\brief LDR Exclusive (16 bit)
\details Executes a exclusive LDR instruction for 16 bit values.
\param [in] ptr Pointer to data
\return value of type uint16_t at (*ptr)
*/
#define __LDREXH (uint16_t)__builtin_arm_ldrex
/**
\brief LDR Exclusive (32 bit)
\details Executes a exclusive LDR instruction for 32 bit values.
\param [in] ptr Pointer to data
\return value of type uint32_t at (*ptr)
*/
#define __LDREXW (uint32_t)__builtin_arm_ldrex
/**
\brief STR Exclusive (8 bit)
\details Executes a exclusive STR instruction for 8 bit values.
\param [in] value Value to store
\param [in] ptr Pointer to location
\return 0 Function succeeded
\return 1 Function failed
*/
#define __STREXB (uint32_t)__builtin_arm_strex
/**
\brief STR Exclusive (16 bit)
\details Executes a exclusive STR instruction for 16 bit values.
\param [in] value Value to store
\param [in] ptr Pointer to location
\return 0 Function succeeded
\return 1 Function failed
*/
#define __STREXH (uint32_t)__builtin_arm_strex
/**
\brief STR Exclusive (32 bit)
\details Executes a exclusive STR instruction for 32 bit values.
\param [in] value Value to store
\param [in] ptr Pointer to location
\return 0 Function succeeded
\return 1 Function failed
*/
#define __STREXW (uint32_t)__builtin_arm_strex
/**
\brief Remove the exclusive lock
\details Removes the exclusive lock which is created by LDREX.
*/
#define __CLREX __builtin_arm_clrex
#endif /* ((defined (__ARM_ARCH_7M__ ) && (__ARM_ARCH_7M__ == 1)) || \
(defined (__ARM_ARCH_7EM__ ) && (__ARM_ARCH_7EM__ == 1)) || \
(defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)) || \
(defined (__ARM_ARCH_8M_BASE__ ) && (__ARM_ARCH_8M_BASE__ == 1)) ) */
#if ((defined (__ARM_ARCH_7M__ ) && (__ARM_ARCH_7M__ == 1)) || \
(defined (__ARM_ARCH_7EM__ ) && (__ARM_ARCH_7EM__ == 1)) || \
(defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)) )
/**
\brief Signed Saturate
\details Saturates a signed value.
\param [in] value Value to be saturated
\param [in] sat Bit position to saturate to (1..32)
\return Saturated value
*/
#define __SSAT __builtin_arm_ssat
/**
\brief Unsigned Saturate
\details Saturates an unsigned value.
\param [in] value Value to be saturated
\param [in] sat Bit position to saturate to (0..31)
\return Saturated value
*/
#define __USAT __builtin_arm_usat
/**
\brief Rotate Right with Extend (32 bit)
\details Moves each bit of a bitstring right by one bit.
The carry input is shifted in at the left end of the bitstring.
\param [in] value Value to rotate
\return Rotated value
*/
__attribute__((always_inline)) __STATIC_INLINE uint32_t __RRX(uint32_t value)
{
uint32_t result;
__ASM volatile ("rrx %0, %1" : __CMSIS_GCC_OUT_REG (result) : __CMSIS_GCC_USE_REG (value) );
return(result);
}
/**
\brief LDRT Unprivileged (8 bit)
\details Executes a Unprivileged LDRT instruction for 8 bit value.
\param [in] ptr Pointer to data
\return value of type uint8_t at (*ptr)
*/
__attribute__((always_inline)) __STATIC_INLINE uint8_t __LDRBT(volatile uint8_t *ptr)
{
uint32_t result;
__ASM volatile ("ldrbt %0, %1" : "=r" (result) : "Q" (*ptr) );
return ((uint8_t) result); /* Add explicit type cast here */
}
/**
\brief LDRT Unprivileged (16 bit)
\details Executes a Unprivileged LDRT instruction for 16 bit values.
\param [in] ptr Pointer to data
\return value of type uint16_t at (*ptr)
*/
__attribute__((always_inline)) __STATIC_INLINE uint16_t __LDRHT(volatile uint16_t *ptr)
{
uint32_t result;
__ASM volatile ("ldrht %0, %1" : "=r" (result) : "Q" (*ptr) );
return ((uint16_t) result); /* Add explicit type cast here */
}
/**
\brief LDRT Unprivileged (32 bit)
\details Executes a Unprivileged LDRT instruction for 32 bit values.
\param [in] ptr Pointer to data
\return value of type uint32_t at (*ptr)
*/
__attribute__((always_inline)) __STATIC_INLINE uint32_t __LDRT(volatile uint32_t *ptr)
{
uint32_t result;
__ASM volatile ("ldrt %0, %1" : "=r" (result) : "Q" (*ptr) );
return(result);
}
/**
\brief STRT Unprivileged (8 bit)
\details Executes a Unprivileged STRT instruction for 8 bit values.
\param [in] value Value to store
\param [in] ptr Pointer to location
*/