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1 /**************************************************************************//**
2  * @file     cmsis_iccarm.h
3  * @brief    CMSIS compiler ICCARM (IAR Compiler for Arm) header file
4  * @version  V5.2.0
5  * @date     28. January 2020
6  ******************************************************************************/
7 
8 //------------------------------------------------------------------------------
9 //
10 // Copyright (c) 2017-2019 IAR Systems
11 // Copyright (c) 2017-2019 Arm Limited. All rights reserved.
12 //
13 // SPDX-License-Identifier: Apache-2.0
14 //
15 // Licensed under the Apache License, Version 2.0 (the "License")
16 // you may not use this file except in compliance with the License.
17 // You may obtain a copy of the License at
18 //     http://www.apache.org/licenses/LICENSE-2.0
19 //
20 // Unless required by applicable law or agreed to in writing, software
21 // distributed under the License is distributed on an "AS IS" BASIS,
22 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
23 // See the License for the specific language governing permissions and
24 // limitations under the License.
25 //
26 //------------------------------------------------------------------------------
27 
28 
29 #ifndef __CMSIS_ICCARM_H__
30 #define __CMSIS_ICCARM_H__
31 
32 #ifndef __ICCARM__
33   #error This file should only be compiled by ICCARM
34 #endif
35 
36 #pragma system_include
37 
38 #define __IAR_FT _Pragma("inline=forced") __intrinsic
39 
40 #if (__VER__ >= 8000000)
41   #define __ICCARM_V8 1
42 #else
43   #define __ICCARM_V8 0
44 #endif
45 
46 #ifndef __ALIGNED
47   #if __ICCARM_V8
48     #define __ALIGNED(x) __attribute__((aligned(x)))
49   #elif (__VER__ >= 7080000)
50     /* Needs IAR language extensions */
51     #define __ALIGNED(x) __attribute__((aligned(x)))
52   #else
53     #warning No compiler specific solution for __ALIGNED.__ALIGNED is ignored.
54     #define __ALIGNED(x)
55   #endif
56 #endif
57 
58 
59 /* Define compiler macros for CPU architecture, used in CMSIS 5.
60  */
61 #if __ARM_ARCH_6M__ || __ARM_ARCH_7M__ || __ARM_ARCH_7EM__ || __ARM_ARCH_8M_BASE__ || __ARM_ARCH_8M_MAIN__
62 /* Macros already defined */
63 #else
64   #if defined(__ARM8M_MAINLINE__) || defined(__ARM8EM_MAINLINE__)
65     #define __ARM_ARCH_8M_MAIN__ 1
66   #elif defined(__ARM8M_BASELINE__)
67     #define __ARM_ARCH_8M_BASE__ 1
68   #elif defined(__ARM_ARCH_PROFILE) && __ARM_ARCH_PROFILE == 'M'
69     #if __ARM_ARCH == 6
70       #define __ARM_ARCH_6M__ 1
71     #elif __ARM_ARCH == 7
72       #if __ARM_FEATURE_DSP
73         #define __ARM_ARCH_7EM__ 1
74       #else
75         #define __ARM_ARCH_7M__ 1
76       #endif
77     #endif /* __ARM_ARCH */
78   #endif /* __ARM_ARCH_PROFILE == 'M' */
79 #endif
80 
81 /* Alternativ core deduction for older ICCARM's */
82 #if !defined(__ARM_ARCH_6M__) && !defined(__ARM_ARCH_7M__) && !defined(__ARM_ARCH_7EM__) && \
83     !defined(__ARM_ARCH_8M_BASE__) && !defined(__ARM_ARCH_8M_MAIN__)
84   #if defined(__ARM6M__) && (__CORE__ == __ARM6M__)
85     #define __ARM_ARCH_6M__ 1
86   #elif defined(__ARM7M__) && (__CORE__ == __ARM7M__)
87     #define __ARM_ARCH_7M__ 1
88   #elif defined(__ARM7EM__) && (__CORE__ == __ARM7EM__)
89     #define __ARM_ARCH_7EM__  1
90   #elif defined(__ARM8M_BASELINE__) && (__CORE == __ARM8M_BASELINE__)
91     #define __ARM_ARCH_8M_BASE__ 1
92   #elif defined(__ARM8M_MAINLINE__) && (__CORE == __ARM8M_MAINLINE__)
93     #define __ARM_ARCH_8M_MAIN__ 1
94   #elif defined(__ARM8EM_MAINLINE__) && (__CORE == __ARM8EM_MAINLINE__)
95     #define __ARM_ARCH_8M_MAIN__ 1
96   #else
97     #error "Unknown target."
98   #endif
99 #endif
100 
101 
102 
103 #if defined(__ARM_ARCH_6M__) && __ARM_ARCH_6M__==1
104   #define __IAR_M0_FAMILY  1
105 #elif defined(__ARM_ARCH_8M_BASE__) && __ARM_ARCH_8M_BASE__==1
106   #define __IAR_M0_FAMILY  1
107 #else
108   #define __IAR_M0_FAMILY  0
109 #endif
110 
111 
112 #ifndef __ASM
113   #define __ASM __asm
114 #endif
115 
116 #ifndef   __COMPILER_BARRIER
117   #define __COMPILER_BARRIER() __ASM volatile("":::"memory")
118 #endif
119 
120 #ifndef __INLINE
121   #define __INLINE inline
122 #endif
123 
124 #ifndef   __NO_RETURN
125   #if __ICCARM_V8
126     #define __NO_RETURN __attribute__((__noreturn__))
127   #else
128     #define __NO_RETURN _Pragma("object_attribute=__noreturn")
129   #endif
130 #endif
131 
132 #ifndef   __PACKED
133   #if __ICCARM_V8
134     #define __PACKED __attribute__((packed, aligned(1)))
135   #else
136     /* Needs IAR language extensions */
137     #define __PACKED __packed
138   #endif
139 #endif
140 
141 #ifndef   __PACKED_STRUCT
142   #if __ICCARM_V8
143     #define __PACKED_STRUCT struct __attribute__((packed, aligned(1)))
144   #else
145     /* Needs IAR language extensions */
146     #define __PACKED_STRUCT __packed struct
147   #endif
148 #endif
149 
150 #ifndef   __PACKED_UNION
151   #if __ICCARM_V8
152     #define __PACKED_UNION union __attribute__((packed, aligned(1)))
153   #else
154     /* Needs IAR language extensions */
155     #define __PACKED_UNION __packed union
156   #endif
157 #endif
158 
159 #ifndef   __RESTRICT
160   #if __ICCARM_V8
161     #define __RESTRICT            __restrict
162   #else
163     /* Needs IAR language extensions */
164     #define __RESTRICT            restrict
165   #endif
166 #endif
167 
168 #ifndef   __STATIC_INLINE
169   #define __STATIC_INLINE       static inline
170 #endif
171 
172 #ifndef   __FORCEINLINE
173   #define __FORCEINLINE         _Pragma("inline=forced")
174 #endif
175 
176 #ifndef   __STATIC_FORCEINLINE
177   #define __STATIC_FORCEINLINE  __FORCEINLINE __STATIC_INLINE
178 #endif
179 
180 #ifndef __UNALIGNED_UINT16_READ
181 #pragma language=save
182 #pragma language=extended
__iar_uint16_read(void const * ptr)183 __IAR_FT uint16_t __iar_uint16_read(void const *ptr)
184 {
185   return *(__packed uint16_t*)(ptr);
186 }
187 #pragma language=restore
188 #define __UNALIGNED_UINT16_READ(PTR) __iar_uint16_read(PTR)
189 #endif
190 
191 
192 #ifndef __UNALIGNED_UINT16_WRITE
193 #pragma language=save
194 #pragma language=extended
__iar_uint16_write(void const * ptr,uint16_t val)195 __IAR_FT void __iar_uint16_write(void const *ptr, uint16_t val)
196 {
197   *(__packed uint16_t*)(ptr) = val;;
198 }
199 #pragma language=restore
200 #define __UNALIGNED_UINT16_WRITE(PTR,VAL) __iar_uint16_write(PTR,VAL)
201 #endif
202 
203 #ifndef __UNALIGNED_UINT32_READ
204 #pragma language=save
205 #pragma language=extended
__iar_uint32_read(void const * ptr)206 __IAR_FT uint32_t __iar_uint32_read(void const *ptr)
207 {
208   return *(__packed uint32_t*)(ptr);
209 }
210 #pragma language=restore
211 #define __UNALIGNED_UINT32_READ(PTR) __iar_uint32_read(PTR)
212 #endif
213 
214 #ifndef __UNALIGNED_UINT32_WRITE
215 #pragma language=save
216 #pragma language=extended
__iar_uint32_write(void const * ptr,uint32_t val)217 __IAR_FT void __iar_uint32_write(void const *ptr, uint32_t val)
218 {
219   *(__packed uint32_t*)(ptr) = val;;
220 }
221 #pragma language=restore
222 #define __UNALIGNED_UINT32_WRITE(PTR,VAL) __iar_uint32_write(PTR,VAL)
223 #endif
224 
225 #ifndef __UNALIGNED_UINT32   /* deprecated */
226 #pragma language=save
227 #pragma language=extended
228 __packed struct  __iar_u32 { uint32_t v; };
229 #pragma language=restore
230 #define __UNALIGNED_UINT32(PTR) (((struct __iar_u32 *)(PTR))->v)
231 #endif
232 
233 #ifndef   __USED
234   #if __ICCARM_V8
235     #define __USED __attribute__((used))
236   #else
237     #define __USED _Pragma("__root")
238   #endif
239 #endif
240 
241 #ifndef   __WEAK
242   #if __ICCARM_V8
243     #define __WEAK __attribute__((weak))
244   #else
245     #define __WEAK _Pragma("__weak")
246   #endif
247 #endif
248 
249 #ifndef __PROGRAM_START
250 #define __PROGRAM_START           __iar_program_start
251 #endif
252 
253 #ifndef __INITIAL_SP
254 #define __INITIAL_SP              CSTACK$$Limit
255 #endif
256 
257 #ifndef __STACK_LIMIT
258 #define __STACK_LIMIT             CSTACK$$Base
259 #endif
260 
261 #ifndef __VECTOR_TABLE
262 #define __VECTOR_TABLE            __vector_table
263 #endif
264 
265 #ifndef __VECTOR_TABLE_ATTRIBUTE
266 #define __VECTOR_TABLE_ATTRIBUTE  @".intvec"
267 #endif
268 
269 #ifndef __ICCARM_INTRINSICS_VERSION__
270   #define __ICCARM_INTRINSICS_VERSION__  0
271 #endif
272 
273 #if __ICCARM_INTRINSICS_VERSION__ == 2
274 
275   #if defined(__CLZ)
276     #undef __CLZ
277   #endif
278   #if defined(__REVSH)
279     #undef __REVSH
280   #endif
281   #if defined(__RBIT)
282     #undef __RBIT
283   #endif
284   #if defined(__SSAT)
285     #undef __SSAT
286   #endif
287   #if defined(__USAT)
288     #undef __USAT
289   #endif
290 
291   #include "iccarm_builtin.h"
292 
293   #define __disable_fault_irq __iar_builtin_disable_fiq
294   #define __disable_irq       __iar_builtin_disable_interrupt
295   #define __enable_fault_irq  __iar_builtin_enable_fiq
296   #define __enable_irq        __iar_builtin_enable_interrupt
297   #define __arm_rsr           __iar_builtin_rsr
298   #define __arm_wsr           __iar_builtin_wsr
299 
300 
301   #define __get_APSR()                (__arm_rsr("APSR"))
302   #define __get_BASEPRI()             (__arm_rsr("BASEPRI"))
303   #define __get_CONTROL()             (__arm_rsr("CONTROL"))
304   #define __get_FAULTMASK()           (__arm_rsr("FAULTMASK"))
305 
306   #if ((defined (__FPU_PRESENT) && (__FPU_PRESENT == 1U)) && \
307        (defined (__FPU_USED   ) && (__FPU_USED    == 1U))     )
308     #define __get_FPSCR()             (__arm_rsr("FPSCR"))
309     #define __set_FPSCR(VALUE)        (__arm_wsr("FPSCR", (VALUE)))
310   #else
311     #define __get_FPSCR()             ( 0 )
312     #define __set_FPSCR(VALUE)        ((void)VALUE)
313   #endif
314 
315   #define __get_IPSR()                (__arm_rsr("IPSR"))
316   #define __get_MSP()                 (__arm_rsr("MSP"))
317   #if (!(defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)) && \
318        (!defined (__ARM_FEATURE_CMSE) || (__ARM_FEATURE_CMSE < 3)))
319     // without main extensions, the non-secure MSPLIM is RAZ/WI
320     #define __get_MSPLIM()            (0U)
321   #else
322     #define __get_MSPLIM()            (__arm_rsr("MSPLIM"))
323   #endif
324   #define __get_PRIMASK()             (__arm_rsr("PRIMASK"))
325   #define __get_PSP()                 (__arm_rsr("PSP"))
326 
327   #if (!(defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)) && \
328        (!defined (__ARM_FEATURE_CMSE) || (__ARM_FEATURE_CMSE < 3)))
329     // without main extensions, the non-secure PSPLIM is RAZ/WI
330     #define __get_PSPLIM()            (0U)
331   #else
332     #define __get_PSPLIM()            (__arm_rsr("PSPLIM"))
333   #endif
334 
335   #define __get_xPSR()                (__arm_rsr("xPSR"))
336 
337   #define __set_BASEPRI(VALUE)        (__arm_wsr("BASEPRI", (VALUE)))
338   #define __set_BASEPRI_MAX(VALUE)    (__arm_wsr("BASEPRI_MAX", (VALUE)))
339   #define __set_CONTROL(VALUE)        (__arm_wsr("CONTROL", (VALUE)))
340   #define __set_FAULTMASK(VALUE)      (__arm_wsr("FAULTMASK", (VALUE)))
341   #define __set_MSP(VALUE)            (__arm_wsr("MSP", (VALUE)))
342 
343   #if (!(defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)) && \
344        (!defined (__ARM_FEATURE_CMSE) || (__ARM_FEATURE_CMSE < 3)))
345     // without main extensions, the non-secure MSPLIM is RAZ/WI
346     #define __set_MSPLIM(VALUE)       ((void)(VALUE))
347   #else
348     #define __set_MSPLIM(VALUE)       (__arm_wsr("MSPLIM", (VALUE)))
349   #endif
350   #define __set_PRIMASK(VALUE)        (__arm_wsr("PRIMASK", (VALUE)))
351   #define __set_PSP(VALUE)            (__arm_wsr("PSP", (VALUE)))
352   #if (!(defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)) && \
353        (!defined (__ARM_FEATURE_CMSE) || (__ARM_FEATURE_CMSE < 3)))
354     // without main extensions, the non-secure PSPLIM is RAZ/WI
355     #define __set_PSPLIM(VALUE)       ((void)(VALUE))
356   #else
357     #define __set_PSPLIM(VALUE)       (__arm_wsr("PSPLIM", (VALUE)))
358   #endif
359 
360   #define __TZ_get_CONTROL_NS()       (__arm_rsr("CONTROL_NS"))
361   #define __TZ_set_CONTROL_NS(VALUE)  (__arm_wsr("CONTROL_NS", (VALUE)))
362   #define __TZ_get_PSP_NS()           (__arm_rsr("PSP_NS"))
363   #define __TZ_set_PSP_NS(VALUE)      (__arm_wsr("PSP_NS", (VALUE)))
364   #define __TZ_get_MSP_NS()           (__arm_rsr("MSP_NS"))
365   #define __TZ_set_MSP_NS(VALUE)      (__arm_wsr("MSP_NS", (VALUE)))
366   #define __TZ_get_SP_NS()            (__arm_rsr("SP_NS"))
367   #define __TZ_set_SP_NS(VALUE)       (__arm_wsr("SP_NS", (VALUE)))
368   #define __TZ_get_PRIMASK_NS()       (__arm_rsr("PRIMASK_NS"))
369   #define __TZ_set_PRIMASK_NS(VALUE)  (__arm_wsr("PRIMASK_NS", (VALUE)))
370   #define __TZ_get_BASEPRI_NS()       (__arm_rsr("BASEPRI_NS"))
371   #define __TZ_set_BASEPRI_NS(VALUE)  (__arm_wsr("BASEPRI_NS", (VALUE)))
372   #define __TZ_get_FAULTMASK_NS()     (__arm_rsr("FAULTMASK_NS"))
373   #define __TZ_set_FAULTMASK_NS(VALUE)(__arm_wsr("FAULTMASK_NS", (VALUE)))
374 
375   #if (!(defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)) && \
376        (!defined (__ARM_FEATURE_CMSE) || (__ARM_FEATURE_CMSE < 3)))
377     // without main extensions, the non-secure PSPLIM is RAZ/WI
378     #define __TZ_get_PSPLIM_NS()      (0U)
379     #define __TZ_set_PSPLIM_NS(VALUE) ((void)(VALUE))
380   #else
381     #define __TZ_get_PSPLIM_NS()      (__arm_rsr("PSPLIM_NS"))
382     #define __TZ_set_PSPLIM_NS(VALUE) (__arm_wsr("PSPLIM_NS", (VALUE)))
383   #endif
384 
385   #define __TZ_get_MSPLIM_NS()        (__arm_rsr("MSPLIM_NS"))
386   #define __TZ_set_MSPLIM_NS(VALUE)   (__arm_wsr("MSPLIM_NS", (VALUE)))
387 
388   #define __NOP     __iar_builtin_no_operation
389 
390   #define __CLZ     __iar_builtin_CLZ
391   #define __CLREX   __iar_builtin_CLREX
392 
393   #define __DMB     __iar_builtin_DMB
394   #define __DSB     __iar_builtin_DSB
395   #define __ISB     __iar_builtin_ISB
396 
397   #define __LDREXB  __iar_builtin_LDREXB
398   #define __LDREXH  __iar_builtin_LDREXH
399   #define __LDREXW  __iar_builtin_LDREX
400 
401   #define __RBIT    __iar_builtin_RBIT
402   #define __REV     __iar_builtin_REV
403   #define __REV16   __iar_builtin_REV16
404 
__REVSH(int16_t val)405   __IAR_FT int16_t __REVSH(int16_t val)
406   {
407     return (int16_t) __iar_builtin_REVSH(val);
408   }
409 
410   #define __ROR     __iar_builtin_ROR
411   #define __RRX     __iar_builtin_RRX
412 
413   #define __SEV     __iar_builtin_SEV
414 
415   #if !__IAR_M0_FAMILY
416     #define __SSAT    __iar_builtin_SSAT
417   #endif
418 
419   #define __STREXB  __iar_builtin_STREXB
420   #define __STREXH  __iar_builtin_STREXH
421   #define __STREXW  __iar_builtin_STREX
422 
423   #if !__IAR_M0_FAMILY
424     #define __USAT    __iar_builtin_USAT
425   #endif
426 
427   #define __WFE     __iar_builtin_WFE
428   #define __WFI     __iar_builtin_WFI
429 
430   #if __ARM_MEDIA__
431     #define __SADD8   __iar_builtin_SADD8
432     #define __QADD8   __iar_builtin_QADD8
433     #define __SHADD8  __iar_builtin_SHADD8
434     #define __UADD8   __iar_builtin_UADD8
435     #define __UQADD8  __iar_builtin_UQADD8
436     #define __UHADD8  __iar_builtin_UHADD8
437     #define __SSUB8   __iar_builtin_SSUB8
438     #define __QSUB8   __iar_builtin_QSUB8
439     #define __SHSUB8  __iar_builtin_SHSUB8
440     #define __USUB8   __iar_builtin_USUB8
441     #define __UQSUB8  __iar_builtin_UQSUB8
442     #define __UHSUB8  __iar_builtin_UHSUB8
443     #define __SADD16  __iar_builtin_SADD16
444     #define __QADD16  __iar_builtin_QADD16
445     #define __SHADD16 __iar_builtin_SHADD16
446     #define __UADD16  __iar_builtin_UADD16
447     #define __UQADD16 __iar_builtin_UQADD16
448     #define __UHADD16 __iar_builtin_UHADD16
449     #define __SSUB16  __iar_builtin_SSUB16
450     #define __QSUB16  __iar_builtin_QSUB16
451     #define __SHSUB16 __iar_builtin_SHSUB16
452     #define __USUB16  __iar_builtin_USUB16
453     #define __UQSUB16 __iar_builtin_UQSUB16
454     #define __UHSUB16 __iar_builtin_UHSUB16
455     #define __SASX    __iar_builtin_SASX
456     #define __QASX    __iar_builtin_QASX
457     #define __SHASX   __iar_builtin_SHASX
458     #define __UASX    __iar_builtin_UASX
459     #define __UQASX   __iar_builtin_UQASX
460     #define __UHASX   __iar_builtin_UHASX
461     #define __SSAX    __iar_builtin_SSAX
462     #define __QSAX    __iar_builtin_QSAX
463     #define __SHSAX   __iar_builtin_SHSAX
464     #define __USAX    __iar_builtin_USAX
465     #define __UQSAX   __iar_builtin_UQSAX
466     #define __UHSAX   __iar_builtin_UHSAX
467     #define __USAD8   __iar_builtin_USAD8
468     #define __USADA8  __iar_builtin_USADA8
469     #define __SSAT16  __iar_builtin_SSAT16
470     #define __USAT16  __iar_builtin_USAT16
471     #define __UXTB16  __iar_builtin_UXTB16
472     #define __UXTAB16 __iar_builtin_UXTAB16
473     #define __SXTB16  __iar_builtin_SXTB16
474     #define __SXTAB16 __iar_builtin_SXTAB16
475     #define __SMUAD   __iar_builtin_SMUAD
476     #define __SMUADX  __iar_builtin_SMUADX
477     #define __SMMLA   __iar_builtin_SMMLA
478     #define __SMLAD   __iar_builtin_SMLAD
479     #define __SMLADX  __iar_builtin_SMLADX
480     #define __SMLALD  __iar_builtin_SMLALD
481     #define __SMLALDX __iar_builtin_SMLALDX
482     #define __SMUSD   __iar_builtin_SMUSD
483     #define __SMUSDX  __iar_builtin_SMUSDX
484     #define __SMLSD   __iar_builtin_SMLSD
485     #define __SMLSDX  __iar_builtin_SMLSDX
486     #define __SMLSLD  __iar_builtin_SMLSLD
487     #define __SMLSLDX __iar_builtin_SMLSLDX
488     #define __SEL     __iar_builtin_SEL
489     #define __QADD    __iar_builtin_QADD
490     #define __QSUB    __iar_builtin_QSUB
491     #define __PKHBT   __iar_builtin_PKHBT
492     #define __PKHTB   __iar_builtin_PKHTB
493   #endif
494 
495 #else /* __ICCARM_INTRINSICS_VERSION__ == 2 */
496 
497   #if __IAR_M0_FAMILY
498    /* Avoid clash between intrinsics.h and arm_math.h when compiling for Cortex-M0. */
499     #define __CLZ  __cmsis_iar_clz_not_active
500     #define __SSAT __cmsis_iar_ssat_not_active
501     #define __USAT __cmsis_iar_usat_not_active
502     #define __RBIT __cmsis_iar_rbit_not_active
503     #define __get_APSR  __cmsis_iar_get_APSR_not_active
504   #endif
505 
506 
507   #if (!((defined (__FPU_PRESENT) && (__FPU_PRESENT == 1U)) && \
508          (defined (__FPU_USED   ) && (__FPU_USED    == 1U))     ))
509     #define __get_FPSCR __cmsis_iar_get_FPSR_not_active
510     #define __set_FPSCR __cmsis_iar_set_FPSR_not_active
511   #endif
512 
513   #ifdef __INTRINSICS_INCLUDED
514   #error intrinsics.h is already included previously!
515   #endif
516 
517   #include <intrinsics.h>
518 
519   #if __IAR_M0_FAMILY
520    /* Avoid clash between intrinsics.h and arm_math.h when compiling for Cortex-M0. */
521     #undef __CLZ
522     #undef __SSAT
523     #undef __USAT
524     #undef __RBIT
525     #undef __get_APSR
526 
__CLZ(uint32_t data)527     __STATIC_INLINE uint8_t __CLZ(uint32_t data)
528     {
529       if (data == 0U) { return 32U; }
530 
531       uint32_t count = 0U;
532       uint32_t mask = 0x80000000U;
533 
534       while ((data & mask) == 0U)
535       {
536         count += 1U;
537         mask = mask >> 1U;
538       }
539       return count;
540     }
541 
__RBIT(uint32_t v)542     __STATIC_INLINE uint32_t __RBIT(uint32_t v)
543     {
544       uint8_t sc = 31U;
545       uint32_t r = v;
546       for (v >>= 1U; v; v >>= 1U)
547       {
548         r <<= 1U;
549         r |= v & 1U;
550         sc--;
551       }
552       return (r << sc);
553     }
554 
__get_APSR(void)555     __STATIC_INLINE  uint32_t __get_APSR(void)
556     {
557       uint32_t res;
558       __asm("MRS      %0,APSR" : "=r" (res));
559       return res;
560     }
561 
562   #endif
563 
564   #if (!((defined (__FPU_PRESENT) && (__FPU_PRESENT == 1U)) && \
565          (defined (__FPU_USED   ) && (__FPU_USED    == 1U))     ))
566     #undef __get_FPSCR
567     #undef __set_FPSCR
568     #define __get_FPSCR()       (0)
569     #define __set_FPSCR(VALUE)  ((void)VALUE)
570   #endif
571 
572   #pragma diag_suppress=Pe940
573   #pragma diag_suppress=Pe177
574 
575   #define __enable_irq    __enable_interrupt
576   #define __disable_irq   __disable_interrupt
577   #define __NOP           __no_operation
578 
579   #define __get_xPSR      __get_PSR
580 
581   #if (!defined(__ARM_ARCH_6M__) || __ARM_ARCH_6M__==0)
582 
__LDREXW(uint32_t volatile * ptr)583     __IAR_FT uint32_t __LDREXW(uint32_t volatile *ptr)
584     {
585       return __LDREX((unsigned long *)ptr);
586     }
587 
__STREXW(uint32_t value,uint32_t volatile * ptr)588     __IAR_FT uint32_t __STREXW(uint32_t value, uint32_t volatile *ptr)
589     {
590       return __STREX(value, (unsigned long *)ptr);
591     }
592   #endif
593 
594 
595   /* __CORTEX_M is defined in core_cm0.h, core_cm3.h and core_cm4.h. */
596   #if (__CORTEX_M >= 0x03)
597 
__RRX(uint32_t value)598     __IAR_FT uint32_t __RRX(uint32_t value)
599     {
600       uint32_t result;
601       __ASM volatile("RRX      %0, %1" : "=r"(result) : "r" (value));
602       return(result);
603     }
604 
__set_BASEPRI_MAX(uint32_t value)605     __IAR_FT void __set_BASEPRI_MAX(uint32_t value)
606     {
607       __asm volatile("MSR      BASEPRI_MAX,%0"::"r" (value));
608     }
609 
610 
611     #define __enable_fault_irq  __enable_fiq
612     #define __disable_fault_irq __disable_fiq
613 
614 
615   #endif /* (__CORTEX_M >= 0x03) */
616 
__ROR(uint32_t op1,uint32_t op2)617   __IAR_FT uint32_t __ROR(uint32_t op1, uint32_t op2)
618   {
619     return (op1 >> op2) | (op1 << ((sizeof(op1)*8)-op2));
620   }
621 
622   #if ((defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)) || \
623        (defined (__ARM_ARCH_8M_BASE__ ) && (__ARM_ARCH_8M_BASE__ == 1))    )
624 
__get_MSPLIM(void)625    __IAR_FT uint32_t __get_MSPLIM(void)
626     {
627       uint32_t res;
628     #if (!(defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)) && \
629          (!defined (__ARM_FEATURE_CMSE  ) || (__ARM_FEATURE_CMSE   < 3)))
630       // without main extensions, the non-secure MSPLIM is RAZ/WI
631       res = 0U;
632     #else
633       __asm volatile("MRS      %0,MSPLIM" : "=r" (res));
634     #endif
635       return res;
636     }
637 
__set_MSPLIM(uint32_t value)638     __IAR_FT void   __set_MSPLIM(uint32_t value)
639     {
640     #if (!(defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)) && \
641          (!defined (__ARM_FEATURE_CMSE  ) || (__ARM_FEATURE_CMSE   < 3)))
642       // without main extensions, the non-secure MSPLIM is RAZ/WI
643       (void)value;
644     #else
645       __asm volatile("MSR      MSPLIM,%0" :: "r" (value));
646     #endif
647     }
648 
__get_PSPLIM(void)649     __IAR_FT uint32_t __get_PSPLIM(void)
650     {
651       uint32_t res;
652     #if (!(defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)) && \
653          (!defined (__ARM_FEATURE_CMSE  ) || (__ARM_FEATURE_CMSE   < 3)))
654       // without main extensions, the non-secure PSPLIM is RAZ/WI
655       res = 0U;
656     #else
657       __asm volatile("MRS      %0,PSPLIM" : "=r" (res));
658     #endif
659       return res;
660     }
661 
__set_PSPLIM(uint32_t value)662     __IAR_FT void   __set_PSPLIM(uint32_t value)
663     {
664     #if (!(defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)) && \
665          (!defined (__ARM_FEATURE_CMSE  ) || (__ARM_FEATURE_CMSE   < 3)))
666       // without main extensions, the non-secure PSPLIM is RAZ/WI
667       (void)value;
668     #else
669       __asm volatile("MSR      PSPLIM,%0" :: "r" (value));
670     #endif
671     }
672 
__TZ_get_CONTROL_NS(void)673     __IAR_FT uint32_t __TZ_get_CONTROL_NS(void)
674     {
675       uint32_t res;
676       __asm volatile("MRS      %0,CONTROL_NS" : "=r" (res));
677       return res;
678     }
679 
__TZ_set_CONTROL_NS(uint32_t value)680     __IAR_FT void   __TZ_set_CONTROL_NS(uint32_t value)
681     {
682       __asm volatile("MSR      CONTROL_NS,%0" :: "r" (value));
683     }
684 
__TZ_get_PSP_NS(void)685     __IAR_FT uint32_t   __TZ_get_PSP_NS(void)
686     {
687       uint32_t res;
688       __asm volatile("MRS      %0,PSP_NS" : "=r" (res));
689       return res;
690     }
691 
__TZ_set_PSP_NS(uint32_t value)692     __IAR_FT void   __TZ_set_PSP_NS(uint32_t value)
693     {
694       __asm volatile("MSR      PSP_NS,%0" :: "r" (value));
695     }
696 
__TZ_get_MSP_NS(void)697     __IAR_FT uint32_t   __TZ_get_MSP_NS(void)
698     {
699       uint32_t res;
700       __asm volatile("MRS      %0,MSP_NS" : "=r" (res));
701       return res;
702     }
703 
__TZ_set_MSP_NS(uint32_t value)704     __IAR_FT void   __TZ_set_MSP_NS(uint32_t value)
705     {
706       __asm volatile("MSR      MSP_NS,%0" :: "r" (value));
707     }
708 
__TZ_get_SP_NS(void)709     __IAR_FT uint32_t   __TZ_get_SP_NS(void)
710     {
711       uint32_t res;
712       __asm volatile("MRS      %0,SP_NS" : "=r" (res));
713       return res;
714     }
__TZ_set_SP_NS(uint32_t value)715     __IAR_FT void   __TZ_set_SP_NS(uint32_t value)
716     {
717       __asm volatile("MSR      SP_NS,%0" :: "r" (value));
718     }
719 
__TZ_get_PRIMASK_NS(void)720     __IAR_FT uint32_t   __TZ_get_PRIMASK_NS(void)
721     {
722       uint32_t res;
723       __asm volatile("MRS      %0,PRIMASK_NS" : "=r" (res));
724       return res;
725     }
726 
__TZ_set_PRIMASK_NS(uint32_t value)727     __IAR_FT void   __TZ_set_PRIMASK_NS(uint32_t value)
728     {
729       __asm volatile("MSR      PRIMASK_NS,%0" :: "r" (value));
730     }
731 
__TZ_get_BASEPRI_NS(void)732     __IAR_FT uint32_t   __TZ_get_BASEPRI_NS(void)
733     {
734       uint32_t res;
735       __asm volatile("MRS      %0,BASEPRI_NS" : "=r" (res));
736       return res;
737     }
738 
__TZ_set_BASEPRI_NS(uint32_t value)739     __IAR_FT void   __TZ_set_BASEPRI_NS(uint32_t value)
740     {
741       __asm volatile("MSR      BASEPRI_NS,%0" :: "r" (value));
742     }
743 
__TZ_get_FAULTMASK_NS(void)744     __IAR_FT uint32_t   __TZ_get_FAULTMASK_NS(void)
745     {
746       uint32_t res;
747       __asm volatile("MRS      %0,FAULTMASK_NS" : "=r" (res));
748       return res;
749     }
750 
__TZ_set_FAULTMASK_NS(uint32_t value)751     __IAR_FT void   __TZ_set_FAULTMASK_NS(uint32_t value)
752     {
753       __asm volatile("MSR      FAULTMASK_NS,%0" :: "r" (value));
754     }
755 
__TZ_get_PSPLIM_NS(void)756     __IAR_FT uint32_t   __TZ_get_PSPLIM_NS(void)
757     {
758       uint32_t res;
759     #if (!(defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)) && \
760          (!defined (__ARM_FEATURE_CMSE  ) || (__ARM_FEATURE_CMSE   < 3)))
761       // without main extensions, the non-secure PSPLIM is RAZ/WI
762       res = 0U;
763     #else
764       __asm volatile("MRS      %0,PSPLIM_NS" : "=r" (res));
765     #endif
766       return res;
767     }
768 
__TZ_set_PSPLIM_NS(uint32_t value)769     __IAR_FT void   __TZ_set_PSPLIM_NS(uint32_t value)
770     {
771     #if (!(defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)) && \
772          (!defined (__ARM_FEATURE_CMSE  ) || (__ARM_FEATURE_CMSE   < 3)))
773       // without main extensions, the non-secure PSPLIM is RAZ/WI
774       (void)value;
775     #else
776       __asm volatile("MSR      PSPLIM_NS,%0" :: "r" (value));
777     #endif
778     }
779 
__TZ_get_MSPLIM_NS(void)780     __IAR_FT uint32_t   __TZ_get_MSPLIM_NS(void)
781     {
782       uint32_t res;
783       __asm volatile("MRS      %0,MSPLIM_NS" : "=r" (res));
784       return res;
785     }
786 
__TZ_set_MSPLIM_NS(uint32_t value)787     __IAR_FT void   __TZ_set_MSPLIM_NS(uint32_t value)
788     {
789       __asm volatile("MSR      MSPLIM_NS,%0" :: "r" (value));
790     }
791 
792   #endif /* __ARM_ARCH_8M_MAIN__ or __ARM_ARCH_8M_BASE__ */
793 
794 #endif   /* __ICCARM_INTRINSICS_VERSION__ == 2 */
795 
796 #define __BKPT(value)    __asm volatile ("BKPT     %0" : : "i"(value))
797 
798 #if __IAR_M0_FAMILY
__SSAT(int32_t val,uint32_t sat)799   __STATIC_INLINE int32_t __SSAT(int32_t val, uint32_t sat)
800   {
801     if ((sat >= 1U) && (sat <= 32U))
802     {
803       const int32_t max = (int32_t)((1U << (sat - 1U)) - 1U);
804       const int32_t min = -1 - max ;
805       if (val > max)
806       {
807         return max;
808       }
809       else if (val < min)
810       {
811         return min;
812       }
813     }
814     return val;
815   }
816 
__USAT(int32_t val,uint32_t sat)817   __STATIC_INLINE uint32_t __USAT(int32_t val, uint32_t sat)
818   {
819     if (sat <= 31U)
820     {
821       const uint32_t max = ((1U << sat) - 1U);
822       if (val > (int32_t)max)
823       {
824         return max;
825       }
826       else if (val < 0)
827       {
828         return 0U;
829       }
830     }
831     return (uint32_t)val;
832   }
833 #endif
834 
835 #if (__CORTEX_M >= 0x03)   /* __CORTEX_M is defined in core_cm0.h, core_cm3.h and core_cm4.h. */
836 
__LDRBT(volatile uint8_t * addr)837   __IAR_FT uint8_t __LDRBT(volatile uint8_t *addr)
838   {
839     uint32_t res;
840     __ASM volatile ("LDRBT %0, [%1]" : "=r" (res) : "r" (addr) : "memory");
841     return ((uint8_t)res);
842   }
843 
__LDRHT(volatile uint16_t * addr)844   __IAR_FT uint16_t __LDRHT(volatile uint16_t *addr)
845   {
846     uint32_t res;
847     __ASM volatile ("LDRHT %0, [%1]" : "=r" (res) : "r" (addr) : "memory");
848     return ((uint16_t)res);
849   }
850 
__LDRT(volatile uint32_t * addr)851   __IAR_FT uint32_t __LDRT(volatile uint32_t *addr)
852   {
853     uint32_t res;
854     __ASM volatile ("LDRT %0, [%1]" : "=r" (res) : "r" (addr) : "memory");
855     return res;
856   }
857 
__STRBT(uint8_t value,volatile uint8_t * addr)858   __IAR_FT void __STRBT(uint8_t value, volatile uint8_t *addr)
859   {
860     __ASM volatile ("STRBT %1, [%0]" : : "r" (addr), "r" ((uint32_t)value) : "memory");
861   }
862 
__STRHT(uint16_t value,volatile uint16_t * addr)863   __IAR_FT void __STRHT(uint16_t value, volatile uint16_t *addr)
864   {
865     __ASM volatile ("STRHT %1, [%0]" : : "r" (addr), "r" ((uint32_t)value) : "memory");
866   }
867 
__STRT(uint32_t value,volatile uint32_t * addr)868   __IAR_FT void __STRT(uint32_t value, volatile uint32_t *addr)
869   {
870     __ASM volatile ("STRT %1, [%0]" : : "r" (addr), "r" (value) : "memory");
871   }
872 
873 #endif /* (__CORTEX_M >= 0x03) */
874 
875 #if ((defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)) || \
876      (defined (__ARM_ARCH_8M_BASE__ ) && (__ARM_ARCH_8M_BASE__ == 1))    )
877 
878 
__LDAB(volatile uint8_t * ptr)879   __IAR_FT uint8_t __LDAB(volatile uint8_t *ptr)
880   {
881     uint32_t res;
882     __ASM volatile ("LDAB %0, [%1]" : "=r" (res) : "r" (ptr) : "memory");
883     return ((uint8_t)res);
884   }
885 
__LDAH(volatile uint16_t * ptr)886   __IAR_FT uint16_t __LDAH(volatile uint16_t *ptr)
887   {
888     uint32_t res;
889     __ASM volatile ("LDAH %0, [%1]" : "=r" (res) : "r" (ptr) : "memory");
890     return ((uint16_t)res);
891   }
892 
__LDA(volatile uint32_t * ptr)893   __IAR_FT uint32_t __LDA(volatile uint32_t *ptr)
894   {
895     uint32_t res;
896     __ASM volatile ("LDA %0, [%1]" : "=r" (res) : "r" (ptr) : "memory");
897     return res;
898   }
899 
__STLB(uint8_t value,volatile uint8_t * ptr)900   __IAR_FT void __STLB(uint8_t value, volatile uint8_t *ptr)
901   {
902     __ASM volatile ("STLB %1, [%0]" :: "r" (ptr), "r" (value) : "memory");
903   }
904 
__STLH(uint16_t value,volatile uint16_t * ptr)905   __IAR_FT void __STLH(uint16_t value, volatile uint16_t *ptr)
906   {
907     __ASM volatile ("STLH %1, [%0]" :: "r" (ptr), "r" (value) : "memory");
908   }
909 
__STL(uint32_t value,volatile uint32_t * ptr)910   __IAR_FT void __STL(uint32_t value, volatile uint32_t *ptr)
911   {
912     __ASM volatile ("STL %1, [%0]" :: "r" (ptr), "r" (value) : "memory");
913   }
914 
__LDAEXB(volatile uint8_t * ptr)915   __IAR_FT uint8_t __LDAEXB(volatile uint8_t *ptr)
916   {
917     uint32_t res;
918     __ASM volatile ("LDAEXB %0, [%1]" : "=r" (res) : "r" (ptr) : "memory");
919     return ((uint8_t)res);
920   }
921 
__LDAEXH(volatile uint16_t * ptr)922   __IAR_FT uint16_t __LDAEXH(volatile uint16_t *ptr)
923   {
924     uint32_t res;
925     __ASM volatile ("LDAEXH %0, [%1]" : "=r" (res) : "r" (ptr) : "memory");
926     return ((uint16_t)res);
927   }
928 
__LDAEX(volatile uint32_t * ptr)929   __IAR_FT uint32_t __LDAEX(volatile uint32_t *ptr)
930   {
931     uint32_t res;
932     __ASM volatile ("LDAEX %0, [%1]" : "=r" (res) : "r" (ptr) : "memory");
933     return res;
934   }
935 
__STLEXB(uint8_t value,volatile uint8_t * ptr)936   __IAR_FT uint32_t __STLEXB(uint8_t value, volatile uint8_t *ptr)
937   {
938     uint32_t res;
939     __ASM volatile ("STLEXB %0, %2, [%1]" : "=r" (res) : "r" (ptr), "r" (value) : "memory");
940     return res;
941   }
942 
__STLEXH(uint16_t value,volatile uint16_t * ptr)943   __IAR_FT uint32_t __STLEXH(uint16_t value, volatile uint16_t *ptr)
944   {
945     uint32_t res;
946     __ASM volatile ("STLEXH %0, %2, [%1]" : "=r" (res) : "r" (ptr), "r" (value) : "memory");
947     return res;
948   }
949 
__STLEX(uint32_t value,volatile uint32_t * ptr)950   __IAR_FT uint32_t __STLEX(uint32_t value, volatile uint32_t *ptr)
951   {
952     uint32_t res;
953     __ASM volatile ("STLEX %0, %2, [%1]" : "=r" (res) : "r" (ptr), "r" (value) : "memory");
954     return res;
955   }
956 
957 #endif /* __ARM_ARCH_8M_MAIN__ or __ARM_ARCH_8M_BASE__ */
958 
959 #undef __IAR_FT
960 #undef __IAR_M0_FAMILY
961 #undef __ICCARM_V8
962 
963 #pragma diag_default=Pe940
964 #pragma diag_default=Pe177
965 
966 #define __SXTB16_RORn(ARG1, ARG2) __SXTB16(__ROR(ARG1, ARG2))
967 
968 #endif /* __CMSIS_ICCARM_H__ */
969