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) 2017-2020 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 #undef __WEAK                           /* undo the definition from DLib_Defaults.h */
242 #ifndef   __WEAK
243   #if __ICCARM_V8
244     #define __WEAK __attribute__((weak))
245   #else
246     #define __WEAK _Pragma("__weak")
247   #endif
248 #endif
249 
250 #ifndef __PROGRAM_START
251 #define __PROGRAM_START           __iar_program_start
252 #endif
253 
254 #ifndef __INITIAL_SP
255 #define __INITIAL_SP              CSTACK$$Limit
256 #endif
257 
258 #ifndef __STACK_LIMIT
259 #define __STACK_LIMIT             CSTACK$$Base
260 #endif
261 
262 #ifndef __VECTOR_TABLE
263 #define __VECTOR_TABLE            __vector_table
264 #endif
265 
266 #ifndef __VECTOR_TABLE_ATTRIBUTE
267 #define __VECTOR_TABLE_ATTRIBUTE  @".intvec"
268 #endif
269 
270 #ifndef __ICCARM_INTRINSICS_VERSION__
271   #define __ICCARM_INTRINSICS_VERSION__  0
272 #endif
273 
274 #if __ICCARM_INTRINSICS_VERSION__ == 2
275 
276   #if defined(__CLZ)
277     #undef __CLZ
278   #endif
279   #if defined(__REVSH)
280     #undef __REVSH
281   #endif
282   #if defined(__RBIT)
283     #undef __RBIT
284   #endif
285   #if defined(__SSAT)
286     #undef __SSAT
287   #endif
288   #if defined(__USAT)
289     #undef __USAT
290   #endif
291 
292   #include "iccarm_builtin.h"
293 
294   #define __disable_fault_irq __iar_builtin_disable_fiq
295   #define __disable_irq       __iar_builtin_disable_interrupt
296   #define __enable_fault_irq  __iar_builtin_enable_fiq
297   #define __enable_irq        __iar_builtin_enable_interrupt
298   #define __arm_rsr           __iar_builtin_rsr
299   #define __arm_wsr           __iar_builtin_wsr
300 
301 
302   #define __get_APSR()                (__arm_rsr("APSR"))
303   #define __get_BASEPRI()             (__arm_rsr("BASEPRI"))
304   #define __get_CONTROL()             (__arm_rsr("CONTROL"))
305   #define __get_FAULTMASK()           (__arm_rsr("FAULTMASK"))
306 
307   #if ((defined (__FPU_PRESENT) && (__FPU_PRESENT == 1U)) && \
308        (defined (__FPU_USED   ) && (__FPU_USED    == 1U))     )
309     #define __get_FPSCR()             (__arm_rsr("FPSCR"))
310     #define __set_FPSCR(VALUE)        (__arm_wsr("FPSCR", (VALUE)))
311   #else
312     #define __get_FPSCR()             ( 0 )
313     #define __set_FPSCR(VALUE)        ((void)VALUE)
314   #endif
315 
316   #define __get_IPSR()                (__arm_rsr("IPSR"))
317   #define __get_MSP()                 (__arm_rsr("MSP"))
318   #if (!(defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)) && \
319        (!defined (__ARM_FEATURE_CMSE) || (__ARM_FEATURE_CMSE < 3)))
320     // without main extensions, the non-secure MSPLIM is RAZ/WI
321     #define __get_MSPLIM()            (0U)
322   #else
323     #define __get_MSPLIM()            (__arm_rsr("MSPLIM"))
324   #endif
325   #define __get_PRIMASK()             (__arm_rsr("PRIMASK"))
326   #define __get_PSP()                 (__arm_rsr("PSP"))
327 
328   #if (!(defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)) && \
329        (!defined (__ARM_FEATURE_CMSE) || (__ARM_FEATURE_CMSE < 3)))
330     // without main extensions, the non-secure PSPLIM is RAZ/WI
331     #define __get_PSPLIM()            (0U)
332   #else
333     #define __get_PSPLIM()            (__arm_rsr("PSPLIM"))
334   #endif
335 
336   #define __get_xPSR()                (__arm_rsr("xPSR"))
337 
338   #define __set_BASEPRI(VALUE)        (__arm_wsr("BASEPRI", (VALUE)))
339   #define __set_BASEPRI_MAX(VALUE)    (__arm_wsr("BASEPRI_MAX", (VALUE)))
340   #define __set_CONTROL(VALUE)        (__arm_wsr("CONTROL", (VALUE)))
341   #define __set_FAULTMASK(VALUE)      (__arm_wsr("FAULTMASK", (VALUE)))
342   #define __set_MSP(VALUE)            (__arm_wsr("MSP", (VALUE)))
343 
344   #if (!(defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)) && \
345        (!defined (__ARM_FEATURE_CMSE) || (__ARM_FEATURE_CMSE < 3)))
346     // without main extensions, the non-secure MSPLIM is RAZ/WI
347     #define __set_MSPLIM(VALUE)       ((void)(VALUE))
348   #else
349     #define __set_MSPLIM(VALUE)       (__arm_wsr("MSPLIM", (VALUE)))
350   #endif
351   #define __set_PRIMASK(VALUE)        (__arm_wsr("PRIMASK", (VALUE)))
352   #define __set_PSP(VALUE)            (__arm_wsr("PSP", (VALUE)))
353   #if (!(defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)) && \
354        (!defined (__ARM_FEATURE_CMSE) || (__ARM_FEATURE_CMSE < 3)))
355     // without main extensions, the non-secure PSPLIM is RAZ/WI
356     #define __set_PSPLIM(VALUE)       ((void)(VALUE))
357   #else
358     #define __set_PSPLIM(VALUE)       (__arm_wsr("PSPLIM", (VALUE)))
359   #endif
360 
361   #define __TZ_get_CONTROL_NS()       (__arm_rsr("CONTROL_NS"))
362   #define __TZ_set_CONTROL_NS(VALUE)  (__arm_wsr("CONTROL_NS", (VALUE)))
363   #define __TZ_get_PSP_NS()           (__arm_rsr("PSP_NS"))
364   #define __TZ_set_PSP_NS(VALUE)      (__arm_wsr("PSP_NS", (VALUE)))
365   #define __TZ_get_MSP_NS()           (__arm_rsr("MSP_NS"))
366   #define __TZ_set_MSP_NS(VALUE)      (__arm_wsr("MSP_NS", (VALUE)))
367   #define __TZ_get_SP_NS()            (__arm_rsr("SP_NS"))
368   #define __TZ_set_SP_NS(VALUE)       (__arm_wsr("SP_NS", (VALUE)))
369   #define __TZ_get_PRIMASK_NS()       (__arm_rsr("PRIMASK_NS"))
370   #define __TZ_set_PRIMASK_NS(VALUE)  (__arm_wsr("PRIMASK_NS", (VALUE)))
371   #define __TZ_get_BASEPRI_NS()       (__arm_rsr("BASEPRI_NS"))
372   #define __TZ_set_BASEPRI_NS(VALUE)  (__arm_wsr("BASEPRI_NS", (VALUE)))
373   #define __TZ_get_FAULTMASK_NS()     (__arm_rsr("FAULTMASK_NS"))
374   #define __TZ_set_FAULTMASK_NS(VALUE)(__arm_wsr("FAULTMASK_NS", (VALUE)))
375 
376   #if (!(defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)) && \
377        (!defined (__ARM_FEATURE_CMSE) || (__ARM_FEATURE_CMSE < 3)))
378     // without main extensions, the non-secure PSPLIM is RAZ/WI
379     #define __TZ_get_PSPLIM_NS()      (0U)
380     #define __TZ_set_PSPLIM_NS(VALUE) ((void)(VALUE))
381   #else
382     #define __TZ_get_PSPLIM_NS()      (__arm_rsr("PSPLIM_NS"))
383     #define __TZ_set_PSPLIM_NS(VALUE) (__arm_wsr("PSPLIM_NS", (VALUE)))
384   #endif
385 
386   #define __TZ_get_MSPLIM_NS()        (__arm_rsr("MSPLIM_NS"))
387   #define __TZ_set_MSPLIM_NS(VALUE)   (__arm_wsr("MSPLIM_NS", (VALUE)))
388 
389   #define __NOP     __iar_builtin_no_operation
390 
391   #define __CLZ     __iar_builtin_CLZ
392   #define __CLREX   __iar_builtin_CLREX
393 
394   #define __DMB     __iar_builtin_DMB
395   #define __DSB     __iar_builtin_DSB
396   #define __ISB     __iar_builtin_ISB
397 
398   #define __LDREXB  __iar_builtin_LDREXB
399   #define __LDREXH  __iar_builtin_LDREXH
400   #define __LDREXW  __iar_builtin_LDREX
401 
402   #define __RBIT    __iar_builtin_RBIT
403   #define __REV     __iar_builtin_REV
404   #define __REV16   __iar_builtin_REV16
405 
__REVSH(int16_t val)406   __IAR_FT int16_t __REVSH(int16_t val)
407   {
408     return (int16_t) __iar_builtin_REVSH(val);
409   }
410 
411   #define __ROR     __iar_builtin_ROR
412   #define __RRX     __iar_builtin_RRX
413 
414   #define __SEV     __iar_builtin_SEV
415 
416   #if !__IAR_M0_FAMILY
417     #define __SSAT    __iar_builtin_SSAT
418   #endif
419 
420   #define __STREXB  __iar_builtin_STREXB
421   #define __STREXH  __iar_builtin_STREXH
422   #define __STREXW  __iar_builtin_STREX
423 
424   #if !__IAR_M0_FAMILY
425     #define __USAT    __iar_builtin_USAT
426   #endif
427 
428   #define __WFE     __iar_builtin_WFE
429   #define __WFI     __iar_builtin_WFI
430 
431   #if __ARM_MEDIA__
432     #define __SADD8   __iar_builtin_SADD8
433     #define __QADD8   __iar_builtin_QADD8
434     #define __SHADD8  __iar_builtin_SHADD8
435     #define __UADD8   __iar_builtin_UADD8
436     #define __UQADD8  __iar_builtin_UQADD8
437     #define __UHADD8  __iar_builtin_UHADD8
438     #define __SSUB8   __iar_builtin_SSUB8
439     #define __QSUB8   __iar_builtin_QSUB8
440     #define __SHSUB8  __iar_builtin_SHSUB8
441     #define __USUB8   __iar_builtin_USUB8
442     #define __UQSUB8  __iar_builtin_UQSUB8
443     #define __UHSUB8  __iar_builtin_UHSUB8
444     #define __SADD16  __iar_builtin_SADD16
445     #define __QADD16  __iar_builtin_QADD16
446     #define __SHADD16 __iar_builtin_SHADD16
447     #define __UADD16  __iar_builtin_UADD16
448     #define __UQADD16 __iar_builtin_UQADD16
449     #define __UHADD16 __iar_builtin_UHADD16
450     #define __SSUB16  __iar_builtin_SSUB16
451     #define __QSUB16  __iar_builtin_QSUB16
452     #define __SHSUB16 __iar_builtin_SHSUB16
453     #define __USUB16  __iar_builtin_USUB16
454     #define __UQSUB16 __iar_builtin_UQSUB16
455     #define __UHSUB16 __iar_builtin_UHSUB16
456     #define __SASX    __iar_builtin_SASX
457     #define __QASX    __iar_builtin_QASX
458     #define __SHASX   __iar_builtin_SHASX
459     #define __UASX    __iar_builtin_UASX
460     #define __UQASX   __iar_builtin_UQASX
461     #define __UHASX   __iar_builtin_UHASX
462     #define __SSAX    __iar_builtin_SSAX
463     #define __QSAX    __iar_builtin_QSAX
464     #define __SHSAX   __iar_builtin_SHSAX
465     #define __USAX    __iar_builtin_USAX
466     #define __UQSAX   __iar_builtin_UQSAX
467     #define __UHSAX   __iar_builtin_UHSAX
468     #define __USAD8   __iar_builtin_USAD8
469     #define __USADA8  __iar_builtin_USADA8
470     #define __SSAT16  __iar_builtin_SSAT16
471     #define __USAT16  __iar_builtin_USAT16
472     #define __UXTB16  __iar_builtin_UXTB16
473     #define __UXTAB16 __iar_builtin_UXTAB16
474     #define __SXTB16  __iar_builtin_SXTB16
475     #define __SXTAB16 __iar_builtin_SXTAB16
476     #define __SMUAD   __iar_builtin_SMUAD
477     #define __SMUADX  __iar_builtin_SMUADX
478     #define __SMMLA   __iar_builtin_SMMLA
479     #define __SMLAD   __iar_builtin_SMLAD
480     #define __SMLADX  __iar_builtin_SMLADX
481     #define __SMLALD  __iar_builtin_SMLALD
482     #define __SMLALDX __iar_builtin_SMLALDX
483     #define __SMUSD   __iar_builtin_SMUSD
484     #define __SMUSDX  __iar_builtin_SMUSDX
485     #define __SMLSD   __iar_builtin_SMLSD
486     #define __SMLSDX  __iar_builtin_SMLSDX
487     #define __SMLSLD  __iar_builtin_SMLSLD
488     #define __SMLSLDX __iar_builtin_SMLSLDX
489     #define __SEL     __iar_builtin_SEL
490     #define __QADD    __iar_builtin_QADD
491     #define __QSUB    __iar_builtin_QSUB
492     #define __PKHBT   __iar_builtin_PKHBT
493     #define __PKHTB   __iar_builtin_PKHTB
494   #endif
495 
496 #else /* __ICCARM_INTRINSICS_VERSION__ == 2 */
497 
498   #if __IAR_M0_FAMILY
499    /* Avoid clash between intrinsics.h and arm_math.h when compiling for Cortex-M0. */
500     #define __CLZ  __cmsis_iar_clz_not_active
501     #define __SSAT __cmsis_iar_ssat_not_active
502     #define __USAT __cmsis_iar_usat_not_active
503     #define __RBIT __cmsis_iar_rbit_not_active
504     #define __get_APSR  __cmsis_iar_get_APSR_not_active
505   #endif
506 
507 
508   #if (!((defined (__FPU_PRESENT) && (__FPU_PRESENT == 1U)) && \
509          (defined (__FPU_USED   ) && (__FPU_USED    == 1U))     ))
510     #define __get_FPSCR __cmsis_iar_get_FPSR_not_active
511     #define __set_FPSCR __cmsis_iar_set_FPSR_not_active
512   #endif
513 
514   #ifdef __INTRINSICS_INCLUDED
515   #error intrinsics.h is already included previously!
516   #endif
517 
518   #include <intrinsics.h>
519 
520   #if __IAR_M0_FAMILY
521    /* Avoid clash between intrinsics.h and arm_math.h when compiling for Cortex-M0. */
522     #undef __CLZ
523     #undef __SSAT
524     #undef __USAT
525     #undef __RBIT
526     #undef __get_APSR
527 
__CLZ(uint32_t data)528     __STATIC_INLINE uint8_t __CLZ(uint32_t data)
529     {
530       if (data == 0U) { return 32U; }
531 
532       uint32_t count = 0U;
533       uint32_t mask = 0x80000000U;
534 
535       while ((data & mask) == 0U)
536       {
537         count += 1U;
538         mask = mask >> 1U;
539       }
540       return count;
541     }
542 
__RBIT(uint32_t v)543     __STATIC_INLINE uint32_t __RBIT(uint32_t v)
544     {
545       uint8_t sc = 31U;
546       uint32_t r = v;
547       for (v >>= 1U; v; v >>= 1U)
548       {
549         r <<= 1U;
550         r |= v & 1U;
551         sc--;
552       }
553       return (r << sc);
554     }
555 
__get_APSR(void)556     __STATIC_INLINE  uint32_t __get_APSR(void)
557     {
558       uint32_t res;
559       __asm("MRS      %0,APSR" : "=r" (res));
560       return res;
561     }
562 
563   #endif
564 
565   #if (!((defined (__FPU_PRESENT) && (__FPU_PRESENT == 1U)) && \
566          (defined (__FPU_USED   ) && (__FPU_USED    == 1U))     ))
567     #undef __get_FPSCR
568     #undef __set_FPSCR
569     #define __get_FPSCR()       (0)
570     #define __set_FPSCR(VALUE)  ((void)VALUE)
571   #endif
572 
573   #pragma diag_suppress=Pe940
574   #pragma diag_suppress=Pe177
575 
576   #define __enable_irq    __enable_interrupt
577   #define __disable_irq   __disable_interrupt
578   #define __NOP           __no_operation
579 
580   #define __get_xPSR      __get_PSR
581 
582   #if (!defined(__ARM_ARCH_6M__) || __ARM_ARCH_6M__==0)
583 
__LDREXW(uint32_t volatile * ptr)584     __IAR_FT uint32_t __LDREXW(uint32_t volatile *ptr)
585     {
586       return __LDREX((unsigned long *)ptr);
587     }
588 
__STREXW(uint32_t value,uint32_t volatile * ptr)589     __IAR_FT uint32_t __STREXW(uint32_t value, uint32_t volatile *ptr)
590     {
591       return __STREX(value, (unsigned long *)ptr);
592     }
593   #endif
594 
595 
596   /* __CORTEX_M is defined in core_cm0.h, core_cm3.h and core_cm4.h. */
597   #if (__CORTEX_M >= 0x03)
598 
__RRX(uint32_t value)599     __IAR_FT uint32_t __RRX(uint32_t value)
600     {
601       uint32_t result;
602       __ASM volatile("RRX      %0, %1" : "=r"(result) : "r" (value));
603       return(result);
604     }
605 
__set_BASEPRI_MAX(uint32_t value)606     __IAR_FT void __set_BASEPRI_MAX(uint32_t value)
607     {
608       __asm volatile("MSR      BASEPRI_MAX,%0"::"r" (value));
609     }
610 
611 
612     #define __enable_fault_irq  __enable_fiq
613     #define __disable_fault_irq __disable_fiq
614 
615 
616   #endif /* (__CORTEX_M >= 0x03) */
617 
__ROR(uint32_t op1,uint32_t op2)618   __IAR_FT uint32_t __ROR(uint32_t op1, uint32_t op2)
619   {
620     return (op1 >> op2) | (op1 << ((sizeof(op1)*8)-op2));
621   }
622 
623   #if ((defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)) || \
624        (defined (__ARM_ARCH_8M_BASE__ ) && (__ARM_ARCH_8M_BASE__ == 1))    )
625 
__get_MSPLIM(void)626    __IAR_FT uint32_t __get_MSPLIM(void)
627     {
628       uint32_t res;
629     #if (!(defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)) && \
630          (!defined (__ARM_FEATURE_CMSE  ) || (__ARM_FEATURE_CMSE   < 3)))
631       // without main extensions, the non-secure MSPLIM is RAZ/WI
632       res = 0U;
633     #else
634       __asm volatile("MRS      %0,MSPLIM" : "=r" (res));
635     #endif
636       return res;
637     }
638 
__set_MSPLIM(uint32_t value)639     __IAR_FT void   __set_MSPLIM(uint32_t value)
640     {
641     #if (!(defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)) && \
642          (!defined (__ARM_FEATURE_CMSE  ) || (__ARM_FEATURE_CMSE   < 3)))
643       // without main extensions, the non-secure MSPLIM is RAZ/WI
644       (void)value;
645     #else
646       __asm volatile("MSR      MSPLIM,%0" :: "r" (value));
647     #endif
648     }
649 
__get_PSPLIM(void)650     __IAR_FT uint32_t __get_PSPLIM(void)
651     {
652       uint32_t res;
653     #if (!(defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)) && \
654          (!defined (__ARM_FEATURE_CMSE  ) || (__ARM_FEATURE_CMSE   < 3)))
655       // without main extensions, the non-secure PSPLIM is RAZ/WI
656       res = 0U;
657     #else
658       __asm volatile("MRS      %0,PSPLIM" : "=r" (res));
659     #endif
660       return res;
661     }
662 
__set_PSPLIM(uint32_t value)663     __IAR_FT void   __set_PSPLIM(uint32_t value)
664     {
665     #if (!(defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)) && \
666          (!defined (__ARM_FEATURE_CMSE  ) || (__ARM_FEATURE_CMSE   < 3)))
667       // without main extensions, the non-secure PSPLIM is RAZ/WI
668       (void)value;
669     #else
670       __asm volatile("MSR      PSPLIM,%0" :: "r" (value));
671     #endif
672     }
673 
__TZ_get_CONTROL_NS(void)674     __IAR_FT uint32_t __TZ_get_CONTROL_NS(void)
675     {
676       uint32_t res;
677       __asm volatile("MRS      %0,CONTROL_NS" : "=r" (res));
678       return res;
679     }
680 
__TZ_set_CONTROL_NS(uint32_t value)681     __IAR_FT void   __TZ_set_CONTROL_NS(uint32_t value)
682     {
683       __asm volatile("MSR      CONTROL_NS,%0" :: "r" (value));
684     }
685 
__TZ_get_PSP_NS(void)686     __IAR_FT uint32_t   __TZ_get_PSP_NS(void)
687     {
688       uint32_t res;
689       __asm volatile("MRS      %0,PSP_NS" : "=r" (res));
690       return res;
691     }
692 
__TZ_set_PSP_NS(uint32_t value)693     __IAR_FT void   __TZ_set_PSP_NS(uint32_t value)
694     {
695       __asm volatile("MSR      PSP_NS,%0" :: "r" (value));
696     }
697 
__TZ_get_MSP_NS(void)698     __IAR_FT uint32_t   __TZ_get_MSP_NS(void)
699     {
700       uint32_t res;
701       __asm volatile("MRS      %0,MSP_NS" : "=r" (res));
702       return res;
703     }
704 
__TZ_set_MSP_NS(uint32_t value)705     __IAR_FT void   __TZ_set_MSP_NS(uint32_t value)
706     {
707       __asm volatile("MSR      MSP_NS,%0" :: "r" (value));
708     }
709 
__TZ_get_SP_NS(void)710     __IAR_FT uint32_t   __TZ_get_SP_NS(void)
711     {
712       uint32_t res;
713       __asm volatile("MRS      %0,SP_NS" : "=r" (res));
714       return res;
715     }
__TZ_set_SP_NS(uint32_t value)716     __IAR_FT void   __TZ_set_SP_NS(uint32_t value)
717     {
718       __asm volatile("MSR      SP_NS,%0" :: "r" (value));
719     }
720 
__TZ_get_PRIMASK_NS(void)721     __IAR_FT uint32_t   __TZ_get_PRIMASK_NS(void)
722     {
723       uint32_t res;
724       __asm volatile("MRS      %0,PRIMASK_NS" : "=r" (res));
725       return res;
726     }
727 
__TZ_set_PRIMASK_NS(uint32_t value)728     __IAR_FT void   __TZ_set_PRIMASK_NS(uint32_t value)
729     {
730       __asm volatile("MSR      PRIMASK_NS,%0" :: "r" (value));
731     }
732 
__TZ_get_BASEPRI_NS(void)733     __IAR_FT uint32_t   __TZ_get_BASEPRI_NS(void)
734     {
735       uint32_t res;
736       __asm volatile("MRS      %0,BASEPRI_NS" : "=r" (res));
737       return res;
738     }
739 
__TZ_set_BASEPRI_NS(uint32_t value)740     __IAR_FT void   __TZ_set_BASEPRI_NS(uint32_t value)
741     {
742       __asm volatile("MSR      BASEPRI_NS,%0" :: "r" (value));
743     }
744 
__TZ_get_FAULTMASK_NS(void)745     __IAR_FT uint32_t   __TZ_get_FAULTMASK_NS(void)
746     {
747       uint32_t res;
748       __asm volatile("MRS      %0,FAULTMASK_NS" : "=r" (res));
749       return res;
750     }
751 
__TZ_set_FAULTMASK_NS(uint32_t value)752     __IAR_FT void   __TZ_set_FAULTMASK_NS(uint32_t value)
753     {
754       __asm volatile("MSR      FAULTMASK_NS,%0" :: "r" (value));
755     }
756 
__TZ_get_PSPLIM_NS(void)757     __IAR_FT uint32_t   __TZ_get_PSPLIM_NS(void)
758     {
759       uint32_t res;
760     #if (!(defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)) && \
761          (!defined (__ARM_FEATURE_CMSE  ) || (__ARM_FEATURE_CMSE   < 3)))
762       // without main extensions, the non-secure PSPLIM is RAZ/WI
763       res = 0U;
764     #else
765       __asm volatile("MRS      %0,PSPLIM_NS" : "=r" (res));
766     #endif
767       return res;
768     }
769 
__TZ_set_PSPLIM_NS(uint32_t value)770     __IAR_FT void   __TZ_set_PSPLIM_NS(uint32_t value)
771     {
772     #if (!(defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)) && \
773          (!defined (__ARM_FEATURE_CMSE  ) || (__ARM_FEATURE_CMSE   < 3)))
774       // without main extensions, the non-secure PSPLIM is RAZ/WI
775       (void)value;
776     #else
777       __asm volatile("MSR      PSPLIM_NS,%0" :: "r" (value));
778     #endif
779     }
780 
__TZ_get_MSPLIM_NS(void)781     __IAR_FT uint32_t   __TZ_get_MSPLIM_NS(void)
782     {
783       uint32_t res;
784       __asm volatile("MRS      %0,MSPLIM_NS" : "=r" (res));
785       return res;
786     }
787 
__TZ_set_MSPLIM_NS(uint32_t value)788     __IAR_FT void   __TZ_set_MSPLIM_NS(uint32_t value)
789     {
790       __asm volatile("MSR      MSPLIM_NS,%0" :: "r" (value));
791     }
792 
793   #endif /* __ARM_ARCH_8M_MAIN__ or __ARM_ARCH_8M_BASE__ */
794 
795 #endif   /* __ICCARM_INTRINSICS_VERSION__ == 2 */
796 
797 #define __BKPT(value)    __asm volatile ("BKPT     %0" : : "i"(value))
798 
799 #if __IAR_M0_FAMILY
__SSAT(int32_t val,uint32_t sat)800   __STATIC_INLINE int32_t __SSAT(int32_t val, uint32_t sat)
801   {
802     if ((sat >= 1U) && (sat <= 32U))
803     {
804       const int32_t max = (int32_t)((1U << (sat - 1U)) - 1U);
805       const int32_t min = -1 - max ;
806       if (val > max)
807       {
808         return max;
809       }
810       else if (val < min)
811       {
812         return min;
813       }
814     }
815     return val;
816   }
817 
__USAT(int32_t val,uint32_t sat)818   __STATIC_INLINE uint32_t __USAT(int32_t val, uint32_t sat)
819   {
820     if (sat <= 31U)
821     {
822       const uint32_t max = ((1U << sat) - 1U);
823       if (val > (int32_t)max)
824       {
825         return max;
826       }
827       else if (val < 0)
828       {
829         return 0U;
830       }
831     }
832     return (uint32_t)val;
833   }
834 #endif
835 
836 #if (__CORTEX_M >= 0x03)   /* __CORTEX_M is defined in core_cm0.h, core_cm3.h and core_cm4.h. */
837 
__LDRBT(volatile uint8_t * addr)838   __IAR_FT uint8_t __LDRBT(volatile uint8_t *addr)
839   {
840     uint32_t res;
841     __ASM volatile ("LDRBT %0, [%1]" : "=r" (res) : "r" (addr) : "memory");
842     return ((uint8_t)res);
843   }
844 
__LDRHT(volatile uint16_t * addr)845   __IAR_FT uint16_t __LDRHT(volatile uint16_t *addr)
846   {
847     uint32_t res;
848     __ASM volatile ("LDRHT %0, [%1]" : "=r" (res) : "r" (addr) : "memory");
849     return ((uint16_t)res);
850   }
851 
__LDRT(volatile uint32_t * addr)852   __IAR_FT uint32_t __LDRT(volatile uint32_t *addr)
853   {
854     uint32_t res;
855     __ASM volatile ("LDRT %0, [%1]" : "=r" (res) : "r" (addr) : "memory");
856     return res;
857   }
858 
__STRBT(uint8_t value,volatile uint8_t * addr)859   __IAR_FT void __STRBT(uint8_t value, volatile uint8_t *addr)
860   {
861     __ASM volatile ("STRBT %1, [%0]" : : "r" (addr), "r" ((uint32_t)value) : "memory");
862   }
863 
__STRHT(uint16_t value,volatile uint16_t * addr)864   __IAR_FT void __STRHT(uint16_t value, volatile uint16_t *addr)
865   {
866     __ASM volatile ("STRHT %1, [%0]" : : "r" (addr), "r" ((uint32_t)value) : "memory");
867   }
868 
__STRT(uint32_t value,volatile uint32_t * addr)869   __IAR_FT void __STRT(uint32_t value, volatile uint32_t *addr)
870   {
871     __ASM volatile ("STRT %1, [%0]" : : "r" (addr), "r" (value) : "memory");
872   }
873 
874 #endif /* (__CORTEX_M >= 0x03) */
875 
876 #if ((defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)) || \
877      (defined (__ARM_ARCH_8M_BASE__ ) && (__ARM_ARCH_8M_BASE__ == 1))    )
878 
879 
__LDAB(volatile uint8_t * ptr)880   __IAR_FT uint8_t __LDAB(volatile uint8_t *ptr)
881   {
882     uint32_t res;
883     __ASM volatile ("LDAB %0, [%1]" : "=r" (res) : "r" (ptr) : "memory");
884     return ((uint8_t)res);
885   }
886 
__LDAH(volatile uint16_t * ptr)887   __IAR_FT uint16_t __LDAH(volatile uint16_t *ptr)
888   {
889     uint32_t res;
890     __ASM volatile ("LDAH %0, [%1]" : "=r" (res) : "r" (ptr) : "memory");
891     return ((uint16_t)res);
892   }
893 
__LDA(volatile uint32_t * ptr)894   __IAR_FT uint32_t __LDA(volatile uint32_t *ptr)
895   {
896     uint32_t res;
897     __ASM volatile ("LDA %0, [%1]" : "=r" (res) : "r" (ptr) : "memory");
898     return res;
899   }
900 
__STLB(uint8_t value,volatile uint8_t * ptr)901   __IAR_FT void __STLB(uint8_t value, volatile uint8_t *ptr)
902   {
903     __ASM volatile ("STLB %1, [%0]" :: "r" (ptr), "r" (value) : "memory");
904   }
905 
__STLH(uint16_t value,volatile uint16_t * ptr)906   __IAR_FT void __STLH(uint16_t value, volatile uint16_t *ptr)
907   {
908     __ASM volatile ("STLH %1, [%0]" :: "r" (ptr), "r" (value) : "memory");
909   }
910 
__STL(uint32_t value,volatile uint32_t * ptr)911   __IAR_FT void __STL(uint32_t value, volatile uint32_t *ptr)
912   {
913     __ASM volatile ("STL %1, [%0]" :: "r" (ptr), "r" (value) : "memory");
914   }
915 
__LDAEXB(volatile uint8_t * ptr)916   __IAR_FT uint8_t __LDAEXB(volatile uint8_t *ptr)
917   {
918     uint32_t res;
919     __ASM volatile ("LDAEXB %0, [%1]" : "=r" (res) : "r" (ptr) : "memory");
920     return ((uint8_t)res);
921   }
922 
__LDAEXH(volatile uint16_t * ptr)923   __IAR_FT uint16_t __LDAEXH(volatile uint16_t *ptr)
924   {
925     uint32_t res;
926     __ASM volatile ("LDAEXH %0, [%1]" : "=r" (res) : "r" (ptr) : "memory");
927     return ((uint16_t)res);
928   }
929 
__LDAEX(volatile uint32_t * ptr)930   __IAR_FT uint32_t __LDAEX(volatile uint32_t *ptr)
931   {
932     uint32_t res;
933     __ASM volatile ("LDAEX %0, [%1]" : "=r" (res) : "r" (ptr) : "memory");
934     return res;
935   }
936 
__STLEXB(uint8_t value,volatile uint8_t * ptr)937   __IAR_FT uint32_t __STLEXB(uint8_t value, volatile uint8_t *ptr)
938   {
939     uint32_t res;
940     __ASM volatile ("STLEXB %0, %2, [%1]" : "=r" (res) : "r" (ptr), "r" (value) : "memory");
941     return res;
942   }
943 
__STLEXH(uint16_t value,volatile uint16_t * ptr)944   __IAR_FT uint32_t __STLEXH(uint16_t value, volatile uint16_t *ptr)
945   {
946     uint32_t res;
947     __ASM volatile ("STLEXH %0, %2, [%1]" : "=r" (res) : "r" (ptr), "r" (value) : "memory");
948     return res;
949   }
950 
__STLEX(uint32_t value,volatile uint32_t * ptr)951   __IAR_FT uint32_t __STLEX(uint32_t value, volatile uint32_t *ptr)
952   {
953     uint32_t res;
954     __ASM volatile ("STLEX %0, %2, [%1]" : "=r" (res) : "r" (ptr), "r" (value) : "memory");
955     return res;
956   }
957 
958 #endif /* __ARM_ARCH_8M_MAIN__ or __ARM_ARCH_8M_BASE__ */
959 
960 #undef __IAR_FT
961 #undef __IAR_M0_FAMILY
962 #undef __ICCARM_V8
963 
964 #pragma diag_default=Pe940
965 #pragma diag_default=Pe177
966 
967 #define __SXTB16_RORn(ARG1, ARG2) __SXTB16(__ROR(ARG1, ARG2))
968 
969 #endif /* __CMSIS_ICCARM_H__ */
970