1 /**************************************************************************//**
2  * @file     cmsis_iccarm.h
3  * @brief    CMSIS compiler ICCARM (IAR Compiler for Arm) header file
4  * @version  V5.1.0
5  * @date     08. May 2019
6  ******************************************************************************/
7 
8 //------------------------------------------------------------------------------
9 //
10 // Copyright (c) 2017-2019 IAR Systems
11 // Copyright (c) 2017-2019 Arm Limited. All rights reserved.
12 //
13 // Licensed under the Apache License, Version 2.0 (the "License")
14 // you may not use this file except in compliance with the License.
15 // You may obtain a copy of the License at
16 //     http://www.apache.org/licenses/LICENSE-2.0
17 //
18 // Unless required by applicable law or agreed to in writing, software
19 // distributed under the License is distributed on an "AS IS" BASIS,
20 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
21 // See the License for the specific language governing permissions and
22 // limitations under the License.
23 //
24 //------------------------------------------------------------------------------
25 
26 
27 #ifndef __CMSIS_ICCARM_H__
28 #define __CMSIS_ICCARM_H__
29 
30 #ifndef __ICCARM__
31   #error This file should only be compiled by ICCARM
32 #endif
33 
34 #pragma system_include
35 
36 #define __IAR_FT _Pragma("inline=forced") __intrinsic
37 
38 #if (__VER__ >= 8000000)
39   #define __ICCARM_V8 1
40 #else
41   #define __ICCARM_V8 0
42 #endif
43 
44 #ifndef __ALIGNED
45   #if __ICCARM_V8
46     #define __ALIGNED(x) __attribute__((aligned(x)))
47   #elif (__VER__ >= 7080000)
48     /* Needs IAR language extensions */
49     #define __ALIGNED(x) __attribute__((aligned(x)))
50   #else
51     #warning No compiler specific solution for __ALIGNED.__ALIGNED is ignored.
52     #define __ALIGNED(x)
53   #endif
54 #endif
55 
56 
57 /* Define compiler macros for CPU architecture, used in CMSIS 5.
58  */
59 #if __ARM_ARCH_6M__ || __ARM_ARCH_7M__ || __ARM_ARCH_7EM__ || __ARM_ARCH_8M_BASE__ || __ARM_ARCH_8M_MAIN__
60 /* Macros already defined */
61 #else
62   #if defined(__ARM8M_MAINLINE__) || defined(__ARM8EM_MAINLINE__)
63     #define __ARM_ARCH_8M_MAIN__ 1
64   #elif defined(__ARM8M_BASELINE__)
65     #define __ARM_ARCH_8M_BASE__ 1
66   #elif defined(__ARM_ARCH_PROFILE) && __ARM_ARCH_PROFILE == 'M'
67     #if __ARM_ARCH == 6
68       #define __ARM_ARCH_6M__ 1
69     #elif __ARM_ARCH == 7
70       #if __ARM_FEATURE_DSP
71         #define __ARM_ARCH_7EM__ 1
72       #else
73         #define __ARM_ARCH_7M__ 1
74       #endif
75     #endif /* __ARM_ARCH */
76   #endif /* __ARM_ARCH_PROFILE == 'M' */
77 #endif
78 
79 /* Alternativ core deduction for older ICCARM's */
80 #if !defined(__ARM_ARCH_6M__) && !defined(__ARM_ARCH_7M__) && !defined(__ARM_ARCH_7EM__) && \
81     !defined(__ARM_ARCH_8M_BASE__) && !defined(__ARM_ARCH_8M_MAIN__)
82   #if defined(__ARM6M__) && (__CORE__ == __ARM6M__)
83     #define __ARM_ARCH_6M__ 1
84   #elif defined(__ARM7M__) && (__CORE__ == __ARM7M__)
85     #define __ARM_ARCH_7M__ 1
86   #elif defined(__ARM7EM__) && (__CORE__ == __ARM7EM__)
87     #define __ARM_ARCH_7EM__  1
88   #elif defined(__ARM8M_BASELINE__) && (__CORE == __ARM8M_BASELINE__)
89     #define __ARM_ARCH_8M_BASE__ 1
90   #elif defined(__ARM8M_MAINLINE__) && (__CORE == __ARM8M_MAINLINE__)
91     #define __ARM_ARCH_8M_MAIN__ 1
92   #elif defined(__ARM8EM_MAINLINE__) && (__CORE == __ARM8EM_MAINLINE__)
93     #define __ARM_ARCH_8M_MAIN__ 1
94   #else
95     #error "Unknown target."
96   #endif
97 #endif
98 
99 
100 
101 #if defined(__ARM_ARCH_6M__) && __ARM_ARCH_6M__==1
102   #define __IAR_M0_FAMILY  1
103 #elif defined(__ARM_ARCH_8M_BASE__) && __ARM_ARCH_8M_BASE__==1
104   #define __IAR_M0_FAMILY  1
105 #else
106   #define __IAR_M0_FAMILY  0
107 #endif
108 
109 
110 #ifndef __ASM
111   #define __ASM __asm
112 #endif
113 
114 #ifndef   __COMPILER_BARRIER
115   #define __COMPILER_BARRIER() __ASM volatile("":::"memory")
116 #endif
117 
118 #ifndef __INLINE
119   #define __INLINE inline
120 #endif
121 
122 #ifndef   __NO_RETURN
123   #if __ICCARM_V8
124     #define __NO_RETURN __attribute__((__noreturn__))
125   #else
126     #define __NO_RETURN _Pragma("object_attribute=__noreturn")
127   #endif
128 #endif
129 
130 #ifndef   __PACKED
131   #if __ICCARM_V8
132     #define __PACKED __attribute__((packed, aligned(1)))
133   #else
134     /* Needs IAR language extensions */
135     #define __PACKED __packed
136   #endif
137 #endif
138 
139 #ifndef   __PACKED_STRUCT
140   #if __ICCARM_V8
141     #define __PACKED_STRUCT struct __attribute__((packed, aligned(1)))
142   #else
143     /* Needs IAR language extensions */
144     #define __PACKED_STRUCT __packed struct
145   #endif
146 #endif
147 
148 #ifndef   __PACKED_UNION
149   #if __ICCARM_V8
150     #define __PACKED_UNION union __attribute__((packed, aligned(1)))
151   #else
152     /* Needs IAR language extensions */
153     #define __PACKED_UNION __packed union
154   #endif
155 #endif
156 
157 #ifndef   __RESTRICT
158   #if __ICCARM_V8
159     #define __RESTRICT            __restrict
160   #else
161     /* Needs IAR language extensions */
162     #define __RESTRICT            restrict
163   #endif
164 #endif
165 
166 #ifndef   __STATIC_INLINE
167   #define __STATIC_INLINE       static inline
168 #endif
169 
170 #ifndef   __FORCEINLINE
171   #define __FORCEINLINE         _Pragma("inline=forced")
172 #endif
173 
174 #ifndef   __STATIC_FORCEINLINE
175   #define __STATIC_FORCEINLINE  __FORCEINLINE __STATIC_INLINE
176 #endif
177 
178 #ifndef __UNALIGNED_UINT16_READ
179 #pragma language=save
180 #pragma language=extended
__iar_uint16_read(void const * ptr)181 __IAR_FT uint16_t __iar_uint16_read(void const *ptr)
182 {
183   return *(__packed uint16_t*)(ptr);
184 }
185 #pragma language=restore
186 #define __UNALIGNED_UINT16_READ(PTR) __iar_uint16_read(PTR)
187 #endif
188 
189 
190 #ifndef __UNALIGNED_UINT16_WRITE
191 #pragma language=save
192 #pragma language=extended
__iar_uint16_write(void const * ptr,uint16_t val)193 __IAR_FT void __iar_uint16_write(void const *ptr, uint16_t val)
194 {
195   *(__packed uint16_t*)(ptr) = val;;
196 }
197 #pragma language=restore
198 #define __UNALIGNED_UINT16_WRITE(PTR,VAL) __iar_uint16_write(PTR,VAL)
199 #endif
200 
201 #ifndef __UNALIGNED_UINT32_READ
202 #pragma language=save
203 #pragma language=extended
__iar_uint32_read(void const * ptr)204 __IAR_FT uint32_t __iar_uint32_read(void const *ptr)
205 {
206   return *(__packed uint32_t*)(ptr);
207 }
208 #pragma language=restore
209 #define __UNALIGNED_UINT32_READ(PTR) __iar_uint32_read(PTR)
210 #endif
211 
212 #ifndef __UNALIGNED_UINT32_WRITE
213 #pragma language=save
214 #pragma language=extended
__iar_uint32_write(void const * ptr,uint32_t val)215 __IAR_FT void __iar_uint32_write(void const *ptr, uint32_t val)
216 {
217   *(__packed uint32_t*)(ptr) = val;;
218 }
219 #pragma language=restore
220 #define __UNALIGNED_UINT32_WRITE(PTR,VAL) __iar_uint32_write(PTR,VAL)
221 #endif
222 
223 #ifndef __UNALIGNED_UINT32   /* deprecated */
224 #pragma language=save
225 #pragma language=extended
226 __packed struct  __iar_u32 { uint32_t v; };
227 #pragma language=restore
228 #define __UNALIGNED_UINT32(PTR) (((struct __iar_u32 *)(PTR))->v)
229 #endif
230 
231 #ifndef   __USED
232   #if __ICCARM_V8
233     #define __USED __attribute__((used))
234   #else
235     #define __USED _Pragma("__root")
236   #endif
237 #endif
238 
239 #ifndef   __WEAK
240   #if __ICCARM_V8
241     #define __WEAK __attribute__((weak))
242   #else
243     #define __WEAK _Pragma("__weak")
244   #endif
245 #endif
246 
247 #ifndef __PROGRAM_START
248 #define __PROGRAM_START           __iar_program_start
249 #endif
250 
251 #ifndef __INITIAL_SP
252 #define __INITIAL_SP              CSTACK$$Limit
253 #endif
254 
255 #ifndef __STACK_LIMIT
256 #define __STACK_LIMIT             CSTACK$$Base
257 #endif
258 
259 #ifndef __VECTOR_TABLE
260 #define __VECTOR_TABLE            __vector_table
261 #endif
262 
263 #ifndef __VECTOR_TABLE_ATTRIBUTE
264 #define __VECTOR_TABLE_ATTRIBUTE  @".intvec"
265 #endif
266 
267 #ifndef __ICCARM_INTRINSICS_VERSION__
268   #define __ICCARM_INTRINSICS_VERSION__  0
269 #endif
270 
271 #if __ICCARM_INTRINSICS_VERSION__ == 2
272 
273   #if defined(__CLZ)
274     #undef __CLZ
275   #endif
276   #if defined(__REVSH)
277     #undef __REVSH
278   #endif
279   #if defined(__RBIT)
280     #undef __RBIT
281   #endif
282   #if defined(__SSAT)
283     #undef __SSAT
284   #endif
285   #if defined(__USAT)
286     #undef __USAT
287   #endif
288 
289   #include "iccarm_builtin.h"
290 
291   #define __disable_fault_irq __iar_builtin_disable_fiq
292   #define __disable_irq       __iar_builtin_disable_interrupt
293   #define __enable_fault_irq  __iar_builtin_enable_fiq
294   #define __enable_irq        __iar_builtin_enable_interrupt
295   #define __arm_rsr           __iar_builtin_rsr
296   #define __arm_wsr           __iar_builtin_wsr
297 
298 
299   #define __get_APSR()                (__arm_rsr("APSR"))
300   #define __get_BASEPRI()             (__arm_rsr("BASEPRI"))
301   #define __get_CONTROL()             (__arm_rsr("CONTROL"))
302   #define __get_FAULTMASK()           (__arm_rsr("FAULTMASK"))
303 
304   #if ((defined (__FPU_PRESENT) && (__FPU_PRESENT == 1U)) && \
305        (defined (__FPU_USED   ) && (__FPU_USED    == 1U))     )
306     #define __get_FPSCR()             (__arm_rsr("FPSCR"))
307     #define __set_FPSCR(VALUE)        (__arm_wsr("FPSCR", (VALUE)))
308   #else
309     #define __get_FPSCR()             ( 0 )
310     #define __set_FPSCR(VALUE)        ((void)VALUE)
311   #endif
312 
313   #define __get_IPSR()                (__arm_rsr("IPSR"))
314   #define __get_MSP()                 (__arm_rsr("MSP"))
315   #if (!(defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)) && \
316        (!defined (__ARM_FEATURE_CMSE) || (__ARM_FEATURE_CMSE < 3)))
317     // without main extensions, the non-secure MSPLIM is RAZ/WI
318     #define __get_MSPLIM()            (0U)
319   #else
320     #define __get_MSPLIM()            (__arm_rsr("MSPLIM"))
321   #endif
322   #define __get_PRIMASK()             (__arm_rsr("PRIMASK"))
323   #define __get_PSP()                 (__arm_rsr("PSP"))
324 
325   #if (!(defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)) && \
326        (!defined (__ARM_FEATURE_CMSE) || (__ARM_FEATURE_CMSE < 3)))
327     // without main extensions, the non-secure PSPLIM is RAZ/WI
328     #define __get_PSPLIM()            (0U)
329   #else
330     #define __get_PSPLIM()            (__arm_rsr("PSPLIM"))
331   #endif
332 
333   #define __get_xPSR()                (__arm_rsr("xPSR"))
334 
335   #define __set_BASEPRI(VALUE)        (__arm_wsr("BASEPRI", (VALUE)))
336   #define __set_BASEPRI_MAX(VALUE)    (__arm_wsr("BASEPRI_MAX", (VALUE)))
337   #define __set_CONTROL(VALUE)        (__arm_wsr("CONTROL", (VALUE)))
338   #define __set_FAULTMASK(VALUE)      (__arm_wsr("FAULTMASK", (VALUE)))
339   #define __set_MSP(VALUE)            (__arm_wsr("MSP", (VALUE)))
340 
341   #if (!(defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)) && \
342        (!defined (__ARM_FEATURE_CMSE) || (__ARM_FEATURE_CMSE < 3)))
343     // without main extensions, the non-secure MSPLIM is RAZ/WI
344     #define __set_MSPLIM(VALUE)       ((void)(VALUE))
345   #else
346     #define __set_MSPLIM(VALUE)       (__arm_wsr("MSPLIM", (VALUE)))
347   #endif
348   #define __set_PRIMASK(VALUE)        (__arm_wsr("PRIMASK", (VALUE)))
349   #define __set_PSP(VALUE)            (__arm_wsr("PSP", (VALUE)))
350   #if (!(defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)) && \
351        (!defined (__ARM_FEATURE_CMSE) || (__ARM_FEATURE_CMSE < 3)))
352     // without main extensions, the non-secure PSPLIM is RAZ/WI
353     #define __set_PSPLIM(VALUE)       ((void)(VALUE))
354   #else
355     #define __set_PSPLIM(VALUE)       (__arm_wsr("PSPLIM", (VALUE)))
356   #endif
357 
358   #define __TZ_get_CONTROL_NS()       (__arm_rsr("CONTROL_NS"))
359   #define __TZ_set_CONTROL_NS(VALUE)  (__arm_wsr("CONTROL_NS", (VALUE)))
360   #define __TZ_get_PSP_NS()           (__arm_rsr("PSP_NS"))
361   #define __TZ_set_PSP_NS(VALUE)      (__arm_wsr("PSP_NS", (VALUE)))
362   #define __TZ_get_MSP_NS()           (__arm_rsr("MSP_NS"))
363   #define __TZ_set_MSP_NS(VALUE)      (__arm_wsr("MSP_NS", (VALUE)))
364   #define __TZ_get_SP_NS()            (__arm_rsr("SP_NS"))
365   #define __TZ_set_SP_NS(VALUE)       (__arm_wsr("SP_NS", (VALUE)))
366   #define __TZ_get_PRIMASK_NS()       (__arm_rsr("PRIMASK_NS"))
367   #define __TZ_set_PRIMASK_NS(VALUE)  (__arm_wsr("PRIMASK_NS", (VALUE)))
368   #define __TZ_get_BASEPRI_NS()       (__arm_rsr("BASEPRI_NS"))
369   #define __TZ_set_BASEPRI_NS(VALUE)  (__arm_wsr("BASEPRI_NS", (VALUE)))
370   #define __TZ_get_FAULTMASK_NS()     (__arm_rsr("FAULTMASK_NS"))
371   #define __TZ_set_FAULTMASK_NS(VALUE)(__arm_wsr("FAULTMASK_NS", (VALUE)))
372 
373   #if (!(defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)) && \
374        (!defined (__ARM_FEATURE_CMSE) || (__ARM_FEATURE_CMSE < 3)))
375     // without main extensions, the non-secure PSPLIM is RAZ/WI
376     #define __TZ_get_PSPLIM_NS()      (0U)
377     #define __TZ_set_PSPLIM_NS(VALUE) ((void)(VALUE))
378   #else
379     #define __TZ_get_PSPLIM_NS()      (__arm_rsr("PSPLIM_NS"))
380     #define __TZ_set_PSPLIM_NS(VALUE) (__arm_wsr("PSPLIM_NS", (VALUE)))
381   #endif
382 
383   #define __TZ_get_MSPLIM_NS()        (__arm_rsr("MSPLIM_NS"))
384   #define __TZ_set_MSPLIM_NS(VALUE)   (__arm_wsr("MSPLIM_NS", (VALUE)))
385 
386   #define __NOP     __iar_builtin_no_operation
387 
388   #define __CLZ     __iar_builtin_CLZ
389   #define __CLREX   __iar_builtin_CLREX
390 
391   #define __DMB     __iar_builtin_DMB
392   #define __DSB     __iar_builtin_DSB
393   #define __ISB     __iar_builtin_ISB
394 
395   #define __LDREXB  __iar_builtin_LDREXB
396   #define __LDREXH  __iar_builtin_LDREXH
397   #define __LDREXW  __iar_builtin_LDREX
398 
399   #define __RBIT    __iar_builtin_RBIT
400   #define __REV     __iar_builtin_REV
401   #define __REV16   __iar_builtin_REV16
402 
__REVSH(int16_t val)403   __IAR_FT int16_t __REVSH(int16_t val)
404   {
405     return (int16_t) __iar_builtin_REVSH(val);
406   }
407 
408   #define __ROR     __iar_builtin_ROR
409   #define __RRX     __iar_builtin_RRX
410 
411   #define __SEV     __iar_builtin_SEV
412 
413   #if !__IAR_M0_FAMILY
414     #define __SSAT    __iar_builtin_SSAT
415   #endif
416 
417   #define __STREXB  __iar_builtin_STREXB
418   #define __STREXH  __iar_builtin_STREXH
419   #define __STREXW  __iar_builtin_STREX
420 
421   #if !__IAR_M0_FAMILY
422     #define __USAT    __iar_builtin_USAT
423   #endif
424 
425   #define __WFE     __iar_builtin_WFE
426   #define __WFI     __iar_builtin_WFI
427 
428   #if __ARM_MEDIA__
429     #define __SADD8   __iar_builtin_SADD8
430     #define __QADD8   __iar_builtin_QADD8
431     #define __SHADD8  __iar_builtin_SHADD8
432     #define __UADD8   __iar_builtin_UADD8
433     #define __UQADD8  __iar_builtin_UQADD8
434     #define __UHADD8  __iar_builtin_UHADD8
435     #define __SSUB8   __iar_builtin_SSUB8
436     #define __QSUB8   __iar_builtin_QSUB8
437     #define __SHSUB8  __iar_builtin_SHSUB8
438     #define __USUB8   __iar_builtin_USUB8
439     #define __UQSUB8  __iar_builtin_UQSUB8
440     #define __UHSUB8  __iar_builtin_UHSUB8
441     #define __SADD16  __iar_builtin_SADD16
442     #define __QADD16  __iar_builtin_QADD16
443     #define __SHADD16 __iar_builtin_SHADD16
444     #define __UADD16  __iar_builtin_UADD16
445     #define __UQADD16 __iar_builtin_UQADD16
446     #define __UHADD16 __iar_builtin_UHADD16
447     #define __SSUB16  __iar_builtin_SSUB16
448     #define __QSUB16  __iar_builtin_QSUB16
449     #define __SHSUB16 __iar_builtin_SHSUB16
450     #define __USUB16  __iar_builtin_USUB16
451     #define __UQSUB16 __iar_builtin_UQSUB16
452     #define __UHSUB16 __iar_builtin_UHSUB16
453     #define __SASX    __iar_builtin_SASX
454     #define __QASX    __iar_builtin_QASX
455     #define __SHASX   __iar_builtin_SHASX
456     #define __UASX    __iar_builtin_UASX
457     #define __UQASX   __iar_builtin_UQASX
458     #define __UHASX   __iar_builtin_UHASX
459     #define __SSAX    __iar_builtin_SSAX
460     #define __QSAX    __iar_builtin_QSAX
461     #define __SHSAX   __iar_builtin_SHSAX
462     #define __USAX    __iar_builtin_USAX
463     #define __UQSAX   __iar_builtin_UQSAX
464     #define __UHSAX   __iar_builtin_UHSAX
465     #define __USAD8   __iar_builtin_USAD8
466     #define __USADA8  __iar_builtin_USADA8
467     #define __SSAT16  __iar_builtin_SSAT16
468     #define __USAT16  __iar_builtin_USAT16
469     #define __UXTB16  __iar_builtin_UXTB16
470     #define __UXTAB16 __iar_builtin_UXTAB16
471     #define __SXTB16  __iar_builtin_SXTB16
472     #define __SXTAB16 __iar_builtin_SXTAB16
473     #define __SMUAD   __iar_builtin_SMUAD
474     #define __SMUADX  __iar_builtin_SMUADX
475     #define __SMMLA   __iar_builtin_SMMLA
476     #define __SMLAD   __iar_builtin_SMLAD
477     #define __SMLADX  __iar_builtin_SMLADX
478     #define __SMLALD  __iar_builtin_SMLALD
479     #define __SMLALDX __iar_builtin_SMLALDX
480     #define __SMUSD   __iar_builtin_SMUSD
481     #define __SMUSDX  __iar_builtin_SMUSDX
482     #define __SMLSD   __iar_builtin_SMLSD
483     #define __SMLSDX  __iar_builtin_SMLSDX
484     #define __SMLSLD  __iar_builtin_SMLSLD
485     #define __SMLSLDX __iar_builtin_SMLSLDX
486     #define __SEL     __iar_builtin_SEL
487     #define __QADD    __iar_builtin_QADD
488     #define __QSUB    __iar_builtin_QSUB
489     #define __PKHBT   __iar_builtin_PKHBT
490     #define __PKHTB   __iar_builtin_PKHTB
491   #endif
492 
493 #else /* __ICCARM_INTRINSICS_VERSION__ == 2 */
494 
495   #if __IAR_M0_FAMILY
496    /* Avoid clash between intrinsics.h and arm_math.h when compiling for Cortex-M0. */
497     #define __CLZ  __cmsis_iar_clz_not_active
498     #define __SSAT __cmsis_iar_ssat_not_active
499     #define __USAT __cmsis_iar_usat_not_active
500     #define __RBIT __cmsis_iar_rbit_not_active
501     #define __get_APSR  __cmsis_iar_get_APSR_not_active
502   #endif
503 
504 
505   #if (!((defined (__FPU_PRESENT) && (__FPU_PRESENT == 1U)) && \
506          (defined (__FPU_USED   ) && (__FPU_USED    == 1U))     ))
507     #define __get_FPSCR __cmsis_iar_get_FPSR_not_active
508     #define __set_FPSCR __cmsis_iar_set_FPSR_not_active
509   #endif
510 
511   #ifdef __INTRINSICS_INCLUDED
512   #error intrinsics.h is already included previously!
513   #endif
514 
515   #include <intrinsics.h>
516 
517   #if __IAR_M0_FAMILY
518    /* Avoid clash between intrinsics.h and arm_math.h when compiling for Cortex-M0. */
519     #undef __CLZ
520     #undef __SSAT
521     #undef __USAT
522     #undef __RBIT
523     #undef __get_APSR
524 
__CLZ(uint32_t data)525     __STATIC_INLINE uint8_t __CLZ(uint32_t data)
526     {
527       if (data == 0U) { return 32U; }
528 
529       uint32_t count = 0U;
530       uint32_t mask = 0x80000000U;
531 
532       while ((data & mask) == 0U)
533       {
534         count += 1U;
535         mask = mask >> 1U;
536       }
537       return count;
538     }
539 
__RBIT(uint32_t v)540     __STATIC_INLINE uint32_t __RBIT(uint32_t v)
541     {
542       uint8_t sc = 31U;
543       uint32_t r = v;
544       for (v >>= 1U; v; v >>= 1U)
545       {
546         r <<= 1U;
547         r |= v & 1U;
548         sc--;
549       }
550       return (r << sc);
551     }
552 
__get_APSR(void)553     __STATIC_INLINE  uint32_t __get_APSR(void)
554     {
555       uint32_t res;
556       __asm("MRS      %0,APSR" : "=r" (res));
557       return res;
558     }
559 
560   #endif
561 
562   #if (!((defined (__FPU_PRESENT) && (__FPU_PRESENT == 1U)) && \
563          (defined (__FPU_USED   ) && (__FPU_USED    == 1U))     ))
564     #undef __get_FPSCR
565     #undef __set_FPSCR
566     #define __get_FPSCR()       (0)
567     #define __set_FPSCR(VALUE)  ((void)VALUE)
568   #endif
569 
570   #pragma diag_suppress=Pe940
571   #pragma diag_suppress=Pe177
572 
573   #define __enable_irq    __enable_interrupt
574   #define __disable_irq   __disable_interrupt
575   #define __NOP           __no_operation
576 
577   #define __get_xPSR      __get_PSR
578 
579   #if (!defined(__ARM_ARCH_6M__) || __ARM_ARCH_6M__==0)
580 
__LDREXW(uint32_t volatile * ptr)581     __IAR_FT uint32_t __LDREXW(uint32_t volatile *ptr)
582     {
583       return __LDREX((unsigned long *)ptr);
584     }
585 
__STREXW(uint32_t value,uint32_t volatile * ptr)586     __IAR_FT uint32_t __STREXW(uint32_t value, uint32_t volatile *ptr)
587     {
588       return __STREX(value, (unsigned long *)ptr);
589     }
590   #endif
591 
592 
593   /* __CORTEX_M is defined in core_cm0.h, core_cm3.h and core_cm4.h. */
594   #if (__CORTEX_M >= 0x03)
595 
__RRX(uint32_t value)596     __IAR_FT uint32_t __RRX(uint32_t value)
597     {
598       uint32_t result;
599       __ASM("RRX      %0, %1" : "=r"(result) : "r" (value) : "cc");
600       return(result);
601     }
602 
__set_BASEPRI_MAX(uint32_t value)603     __IAR_FT void __set_BASEPRI_MAX(uint32_t value)
604     {
605       __asm volatile("MSR      BASEPRI_MAX,%0"::"r" (value));
606     }
607 
608 
609     #define __enable_fault_irq  __enable_fiq
610     #define __disable_fault_irq __disable_fiq
611 
612 
613   #endif /* (__CORTEX_M >= 0x03) */
614 
__ROR(uint32_t op1,uint32_t op2)615   __IAR_FT uint32_t __ROR(uint32_t op1, uint32_t op2)
616   {
617     return (op1 >> op2) | (op1 << ((sizeof(op1)*8)-op2));
618   }
619 
620   #if ((defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)) || \
621        (defined (__ARM_ARCH_8M_BASE__ ) && (__ARM_ARCH_8M_BASE__ == 1))    )
622 
__get_MSPLIM(void)623    __IAR_FT uint32_t __get_MSPLIM(void)
624     {
625       uint32_t res;
626     #if (!(defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)) && \
627          (!defined (__ARM_FEATURE_CMSE  ) || (__ARM_FEATURE_CMSE   < 3)))
628       // without main extensions, the non-secure MSPLIM is RAZ/WI
629       res = 0U;
630     #else
631       __asm volatile("MRS      %0,MSPLIM" : "=r" (res));
632     #endif
633       return res;
634     }
635 
__set_MSPLIM(uint32_t value)636     __IAR_FT void   __set_MSPLIM(uint32_t value)
637     {
638     #if (!(defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)) && \
639          (!defined (__ARM_FEATURE_CMSE  ) || (__ARM_FEATURE_CMSE   < 3)))
640       // without main extensions, the non-secure MSPLIM is RAZ/WI
641       (void)value;
642     #else
643       __asm volatile("MSR      MSPLIM,%0" :: "r" (value));
644     #endif
645     }
646 
__get_PSPLIM(void)647     __IAR_FT uint32_t __get_PSPLIM(void)
648     {
649       uint32_t res;
650     #if (!(defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)) && \
651          (!defined (__ARM_FEATURE_CMSE  ) || (__ARM_FEATURE_CMSE   < 3)))
652       // without main extensions, the non-secure PSPLIM is RAZ/WI
653       res = 0U;
654     #else
655       __asm volatile("MRS      %0,PSPLIM" : "=r" (res));
656     #endif
657       return res;
658     }
659 
__set_PSPLIM(uint32_t value)660     __IAR_FT void   __set_PSPLIM(uint32_t value)
661     {
662     #if (!(defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)) && \
663          (!defined (__ARM_FEATURE_CMSE  ) || (__ARM_FEATURE_CMSE   < 3)))
664       // without main extensions, the non-secure PSPLIM is RAZ/WI
665       (void)value;
666     #else
667       __asm volatile("MSR      PSPLIM,%0" :: "r" (value));
668     #endif
669     }
670 
__TZ_get_CONTROL_NS(void)671     __IAR_FT uint32_t __TZ_get_CONTROL_NS(void)
672     {
673       uint32_t res;
674       __asm volatile("MRS      %0,CONTROL_NS" : "=r" (res));
675       return res;
676     }
677 
__TZ_set_CONTROL_NS(uint32_t value)678     __IAR_FT void   __TZ_set_CONTROL_NS(uint32_t value)
679     {
680       __asm volatile("MSR      CONTROL_NS,%0" :: "r" (value));
681     }
682 
__TZ_get_PSP_NS(void)683     __IAR_FT uint32_t   __TZ_get_PSP_NS(void)
684     {
685       uint32_t res;
686       __asm volatile("MRS      %0,PSP_NS" : "=r" (res));
687       return res;
688     }
689 
__TZ_set_PSP_NS(uint32_t value)690     __IAR_FT void   __TZ_set_PSP_NS(uint32_t value)
691     {
692       __asm volatile("MSR      PSP_NS,%0" :: "r" (value));
693     }
694 
__TZ_get_MSP_NS(void)695     __IAR_FT uint32_t   __TZ_get_MSP_NS(void)
696     {
697       uint32_t res;
698       __asm volatile("MRS      %0,MSP_NS" : "=r" (res));
699       return res;
700     }
701 
__TZ_set_MSP_NS(uint32_t value)702     __IAR_FT void   __TZ_set_MSP_NS(uint32_t value)
703     {
704       __asm volatile("MSR      MSP_NS,%0" :: "r" (value));
705     }
706 
__TZ_get_SP_NS(void)707     __IAR_FT uint32_t   __TZ_get_SP_NS(void)
708     {
709       uint32_t res;
710       __asm volatile("MRS      %0,SP_NS" : "=r" (res));
711       return res;
712     }
__TZ_set_SP_NS(uint32_t value)713     __IAR_FT void   __TZ_set_SP_NS(uint32_t value)
714     {
715       __asm volatile("MSR      SP_NS,%0" :: "r" (value));
716     }
717 
__TZ_get_PRIMASK_NS(void)718     __IAR_FT uint32_t   __TZ_get_PRIMASK_NS(void)
719     {
720       uint32_t res;
721       __asm volatile("MRS      %0,PRIMASK_NS" : "=r" (res));
722       return res;
723     }
724 
__TZ_set_PRIMASK_NS(uint32_t value)725     __IAR_FT void   __TZ_set_PRIMASK_NS(uint32_t value)
726     {
727       __asm volatile("MSR      PRIMASK_NS,%0" :: "r" (value));
728     }
729 
__TZ_get_BASEPRI_NS(void)730     __IAR_FT uint32_t   __TZ_get_BASEPRI_NS(void)
731     {
732       uint32_t res;
733       __asm volatile("MRS      %0,BASEPRI_NS" : "=r" (res));
734       return res;
735     }
736 
__TZ_set_BASEPRI_NS(uint32_t value)737     __IAR_FT void   __TZ_set_BASEPRI_NS(uint32_t value)
738     {
739       __asm volatile("MSR      BASEPRI_NS,%0" :: "r" (value));
740     }
741 
__TZ_get_FAULTMASK_NS(void)742     __IAR_FT uint32_t   __TZ_get_FAULTMASK_NS(void)
743     {
744       uint32_t res;
745       __asm volatile("MRS      %0,FAULTMASK_NS" : "=r" (res));
746       return res;
747     }
748 
__TZ_set_FAULTMASK_NS(uint32_t value)749     __IAR_FT void   __TZ_set_FAULTMASK_NS(uint32_t value)
750     {
751       __asm volatile("MSR      FAULTMASK_NS,%0" :: "r" (value));
752     }
753 
__TZ_get_PSPLIM_NS(void)754     __IAR_FT uint32_t   __TZ_get_PSPLIM_NS(void)
755     {
756       uint32_t res;
757     #if (!(defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)) && \
758          (!defined (__ARM_FEATURE_CMSE  ) || (__ARM_FEATURE_CMSE   < 3)))
759       // without main extensions, the non-secure PSPLIM is RAZ/WI
760       res = 0U;
761     #else
762       __asm volatile("MRS      %0,PSPLIM_NS" : "=r" (res));
763     #endif
764       return res;
765     }
766 
__TZ_set_PSPLIM_NS(uint32_t value)767     __IAR_FT void   __TZ_set_PSPLIM_NS(uint32_t value)
768     {
769     #if (!(defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)) && \
770          (!defined (__ARM_FEATURE_CMSE  ) || (__ARM_FEATURE_CMSE   < 3)))
771       // without main extensions, the non-secure PSPLIM is RAZ/WI
772       (void)value;
773     #else
774       __asm volatile("MSR      PSPLIM_NS,%0" :: "r" (value));
775     #endif
776     }
777 
__TZ_get_MSPLIM_NS(void)778     __IAR_FT uint32_t   __TZ_get_MSPLIM_NS(void)
779     {
780       uint32_t res;
781       __asm volatile("MRS      %0,MSPLIM_NS" : "=r" (res));
782       return res;
783     }
784 
__TZ_set_MSPLIM_NS(uint32_t value)785     __IAR_FT void   __TZ_set_MSPLIM_NS(uint32_t value)
786     {
787       __asm volatile("MSR      MSPLIM_NS,%0" :: "r" (value));
788     }
789 
790   #endif /* __ARM_ARCH_8M_MAIN__ or __ARM_ARCH_8M_BASE__ */
791 
792 #endif   /* __ICCARM_INTRINSICS_VERSION__ == 2 */
793 
794 #define __BKPT(value)    __asm volatile ("BKPT     %0" : : "i"(value))
795 
796 #if __IAR_M0_FAMILY
__SSAT(int32_t val,uint32_t sat)797   __STATIC_INLINE int32_t __SSAT(int32_t val, uint32_t sat)
798   {
799     if ((sat >= 1U) && (sat <= 32U))
800     {
801       const int32_t max = (int32_t)((1U << (sat - 1U)) - 1U);
802       const int32_t min = -1 - max ;
803       if (val > max)
804       {
805         return max;
806       }
807       else if (val < min)
808       {
809         return min;
810       }
811     }
812     return val;
813   }
814 
__USAT(int32_t val,uint32_t sat)815   __STATIC_INLINE uint32_t __USAT(int32_t val, uint32_t sat)
816   {
817     if (sat <= 31U)
818     {
819       const uint32_t max = ((1U << sat) - 1U);
820       if (val > (int32_t)max)
821       {
822         return max;
823       }
824       else if (val < 0)
825       {
826         return 0U;
827       }
828     }
829     return (uint32_t)val;
830   }
831 #endif
832 
833 #if (__CORTEX_M >= 0x03)   /* __CORTEX_M is defined in core_cm0.h, core_cm3.h and core_cm4.h. */
834 
__LDRBT(volatile uint8_t * addr)835   __IAR_FT uint8_t __LDRBT(volatile uint8_t *addr)
836   {
837     uint32_t res;
838     __ASM("LDRBT %0, [%1]" : "=r" (res) : "r" (addr) : "memory");
839     return ((uint8_t)res);
840   }
841 
__LDRHT(volatile uint16_t * addr)842   __IAR_FT uint16_t __LDRHT(volatile uint16_t *addr)
843   {
844     uint32_t res;
845     __ASM("LDRHT %0, [%1]" : "=r" (res) : "r" (addr) : "memory");
846     return ((uint16_t)res);
847   }
848 
__LDRT(volatile uint32_t * addr)849   __IAR_FT uint32_t __LDRT(volatile uint32_t *addr)
850   {
851     uint32_t res;
852     __ASM("LDRT %0, [%1]" : "=r" (res) : "r" (addr) : "memory");
853     return res;
854   }
855 
__STRBT(uint8_t value,volatile uint8_t * addr)856   __IAR_FT void __STRBT(uint8_t value, volatile uint8_t *addr)
857   {
858     __ASM("STRBT %1, [%0]" : : "r" (addr), "r" ((uint32_t)value) : "memory");
859   }
860 
__STRHT(uint16_t value,volatile uint16_t * addr)861   __IAR_FT void __STRHT(uint16_t value, volatile uint16_t *addr)
862   {
863     __ASM("STRHT %1, [%0]" : : "r" (addr), "r" ((uint32_t)value) : "memory");
864   }
865 
__STRT(uint32_t value,volatile uint32_t * addr)866   __IAR_FT void __STRT(uint32_t value, volatile uint32_t *addr)
867   {
868     __ASM("STRT %1, [%0]" : : "r" (addr), "r" (value) : "memory");
869   }
870 
871 #endif /* (__CORTEX_M >= 0x03) */
872 
873 #if ((defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)) || \
874      (defined (__ARM_ARCH_8M_BASE__ ) && (__ARM_ARCH_8M_BASE__ == 1))    )
875 
876 
__LDAB(volatile uint8_t * ptr)877   __IAR_FT uint8_t __LDAB(volatile uint8_t *ptr)
878   {
879     uint32_t res;
880     __ASM volatile ("LDAB %0, [%1]" : "=r" (res) : "r" (ptr) : "memory");
881     return ((uint8_t)res);
882   }
883 
__LDAH(volatile uint16_t * ptr)884   __IAR_FT uint16_t __LDAH(volatile uint16_t *ptr)
885   {
886     uint32_t res;
887     __ASM volatile ("LDAH %0, [%1]" : "=r" (res) : "r" (ptr) : "memory");
888     return ((uint16_t)res);
889   }
890 
__LDA(volatile uint32_t * ptr)891   __IAR_FT uint32_t __LDA(volatile uint32_t *ptr)
892   {
893     uint32_t res;
894     __ASM volatile ("LDA %0, [%1]" : "=r" (res) : "r" (ptr) : "memory");
895     return res;
896   }
897 
__STLB(uint8_t value,volatile uint8_t * ptr)898   __IAR_FT void __STLB(uint8_t value, volatile uint8_t *ptr)
899   {
900     __ASM volatile ("STLB %1, [%0]" :: "r" (ptr), "r" (value) : "memory");
901   }
902 
__STLH(uint16_t value,volatile uint16_t * ptr)903   __IAR_FT void __STLH(uint16_t value, volatile uint16_t *ptr)
904   {
905     __ASM volatile ("STLH %1, [%0]" :: "r" (ptr), "r" (value) : "memory");
906   }
907 
__STL(uint32_t value,volatile uint32_t * ptr)908   __IAR_FT void __STL(uint32_t value, volatile uint32_t *ptr)
909   {
910     __ASM volatile ("STL %1, [%0]" :: "r" (ptr), "r" (value) : "memory");
911   }
912 
__LDAEXB(volatile uint8_t * ptr)913   __IAR_FT uint8_t __LDAEXB(volatile uint8_t *ptr)
914   {
915     uint32_t res;
916     __ASM volatile ("LDAEXB %0, [%1]" : "=r" (res) : "r" (ptr) : "memory");
917     return ((uint8_t)res);
918   }
919 
__LDAEXH(volatile uint16_t * ptr)920   __IAR_FT uint16_t __LDAEXH(volatile uint16_t *ptr)
921   {
922     uint32_t res;
923     __ASM volatile ("LDAEXH %0, [%1]" : "=r" (res) : "r" (ptr) : "memory");
924     return ((uint16_t)res);
925   }
926 
__LDAEX(volatile uint32_t * ptr)927   __IAR_FT uint32_t __LDAEX(volatile uint32_t *ptr)
928   {
929     uint32_t res;
930     __ASM volatile ("LDAEX %0, [%1]" : "=r" (res) : "r" (ptr) : "memory");
931     return res;
932   }
933 
__STLEXB(uint8_t value,volatile uint8_t * ptr)934   __IAR_FT uint32_t __STLEXB(uint8_t value, volatile uint8_t *ptr)
935   {
936     uint32_t res;
937     __ASM volatile ("STLEXB %0, %2, [%1]" : "=r" (res) : "r" (ptr), "r" (value) : "memory");
938     return res;
939   }
940 
__STLEXH(uint16_t value,volatile uint16_t * ptr)941   __IAR_FT uint32_t __STLEXH(uint16_t value, volatile uint16_t *ptr)
942   {
943     uint32_t res;
944     __ASM volatile ("STLEXH %0, %2, [%1]" : "=r" (res) : "r" (ptr), "r" (value) : "memory");
945     return res;
946   }
947 
__STLEX(uint32_t value,volatile uint32_t * ptr)948   __IAR_FT uint32_t __STLEX(uint32_t value, volatile uint32_t *ptr)
949   {
950     uint32_t res;
951     __ASM volatile ("STLEX %0, %2, [%1]" : "=r" (res) : "r" (ptr), "r" (value) : "memory");
952     return res;
953   }
954 
955 #endif /* __ARM_ARCH_8M_MAIN__ or __ARM_ARCH_8M_BASE__ */
956 
957 #undef __IAR_FT
958 #undef __IAR_M0_FAMILY
959 #undef __ICCARM_V8
960 
961 #pragma diag_default=Pe940
962 #pragma diag_default=Pe177
963 
964 #endif /* __CMSIS_ICCARM_H__ */
965