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1 /**************************************************************************//**
2  * @file     cmsis_armcc.h
3  * @brief    CMSIS compiler ARMCC (Arm Compiler 5) header file
4  * @version  V5.0.4
5  * @date     10. January 2018
6  ******************************************************************************/
7 /*
8  * Copyright (c) 2009-2018 Arm Limited. All rights reserved.
9  *
10  * SPDX-License-Identifier: Apache-2.0
11  *
12  * Licensed under the Apache License, Version 2.0 (the License); you may
13  * not use this file except in compliance with the License.
14  * You may obtain a copy of the License at
15  *
16  * 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, WITHOUT
20  * 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 #ifndef __CMSIS_ARMCC_H
26 #define __CMSIS_ARMCC_H
27 
28 
29 #if defined(__ARMCC_VERSION) && (__ARMCC_VERSION < 400677)
30   #error "Please use Arm Compiler Toolchain V4.0.677 or later!"
31 #endif
32 
33 /* CMSIS compiler control architecture macros */
34 #if ((defined (__TARGET_ARCH_6_M  ) && (__TARGET_ARCH_6_M   == 1)) || \
35      (defined (__TARGET_ARCH_6S_M ) && (__TARGET_ARCH_6S_M  == 1))   )
36   #define __ARM_ARCH_6M__           1
37 #endif
38 
39 #if (defined (__TARGET_ARCH_7_M ) && (__TARGET_ARCH_7_M  == 1))
40   #define __ARM_ARCH_7M__           1
41 #endif
42 
43 #if (defined (__TARGET_ARCH_7E_M) && (__TARGET_ARCH_7E_M == 1))
44   #define __ARM_ARCH_7EM__          1
45 #endif
46 
47   /* __ARM_ARCH_8M_BASE__  not applicable */
48   /* __ARM_ARCH_8M_MAIN__  not applicable */
49 
50 
51 /* CMSIS compiler specific defines */
52 #ifndef   __ASM
53   #define __ASM                                  __asm
54 #endif
55 #ifndef   __INLINE
56   #define __INLINE                               __inline
57 #endif
58 #ifndef   __STATIC_INLINE
59   #define __STATIC_INLINE                        static __inline
60 #endif
61 #ifndef   __STATIC_FORCEINLINE
62   #define __STATIC_FORCEINLINE                   static __forceinline
63 #endif
64 #ifndef   __NO_RETURN
65   #define __NO_RETURN                            __declspec(noreturn)
66 #endif
67 #ifndef   __USED
68   #define __USED                                 __attribute__((used))
69 #endif
70 #ifndef   __WEAK
71   #define __WEAK                                 __attribute__((weak))
72 #endif
73 #ifndef   __PACKED
74   #define __PACKED                               __attribute__((packed))
75 #endif
76 #ifndef   __PACKED_STRUCT
77   #define __PACKED_STRUCT                        __packed struct
78 #endif
79 #ifndef   __PACKED_UNION
80   #define __PACKED_UNION                         __packed union
81 #endif
82 #ifndef   __UNALIGNED_UINT32        /* deprecated */
83   #define __UNALIGNED_UINT32(x)                  (*((__packed uint32_t *)(x)))
84 #endif
85 #ifndef   __UNALIGNED_UINT16_WRITE
86   #define __UNALIGNED_UINT16_WRITE(addr, val)    ((*((__packed uint16_t *)(addr))) = (val))
87 #endif
88 #ifndef   __UNALIGNED_UINT16_READ
89   #define __UNALIGNED_UINT16_READ(addr)          (*((const __packed uint16_t *)(addr)))
90 #endif
91 #ifndef   __UNALIGNED_UINT32_WRITE
92   #define __UNALIGNED_UINT32_WRITE(addr, val)    ((*((__packed uint32_t *)(addr))) = (val))
93 #endif
94 #ifndef   __UNALIGNED_UINT32_READ
95   #define __UNALIGNED_UINT32_READ(addr)          (*((const __packed uint32_t *)(addr)))
96 #endif
97 #ifndef   __ALIGNED
98   #define __ALIGNED(x)                           __attribute__((aligned(x)))
99 #endif
100 #ifndef   __RESTRICT
101   #define __RESTRICT                             __restrict
102 #endif
103 
104 /* ###########################  Core Function Access  ########################### */
105 /** \ingroup  CMSIS_Core_FunctionInterface
106     \defgroup CMSIS_Core_RegAccFunctions CMSIS Core Register Access Functions
107   @{
108  */
109 
110 /**
111   \brief   Enable IRQ Interrupts
112   \details Enables IRQ interrupts by clearing the I-bit in the CPSR.
113            Can only be executed in Privileged modes.
114  */
115 /* intrinsic void __enable_irq();     */
116 
117 
118 /**
119   \brief   Disable IRQ Interrupts
120   \details Disables IRQ interrupts by setting the I-bit in the CPSR.
121            Can only be executed in Privileged modes.
122  */
123 /* intrinsic void __disable_irq();    */
124 
125 /**
126   \brief   Get Control Register
127   \details Returns the content of the Control Register.
128   \return               Control Register value
129  */
__get_CONTROL(void)130 __STATIC_INLINE uint32_t __get_CONTROL(void)
131 {
132   register uint32_t __regControl         __ASM("control");
133   return(__regControl);
134 }
135 
136 
137 /**
138   \brief   Set Control Register
139   \details Writes the given value to the Control Register.
140   \param [in]    control  Control Register value to set
141  */
__set_CONTROL(uint32_t control)142 __STATIC_INLINE void __set_CONTROL(uint32_t control)
143 {
144   register uint32_t __regControl         __ASM("control");
145   __regControl = control;
146 }
147 
148 
149 /**
150   \brief   Get IPSR Register
151   \details Returns the content of the IPSR Register.
152   \return               IPSR Register value
153  */
__get_IPSR(void)154 __STATIC_INLINE uint32_t __get_IPSR(void)
155 {
156   register uint32_t __regIPSR          __ASM("ipsr");
157   return(__regIPSR);
158 }
159 
160 
161 /**
162   \brief   Get APSR Register
163   \details Returns the content of the APSR Register.
164   \return               APSR Register value
165  */
__get_APSR(void)166 __STATIC_INLINE uint32_t __get_APSR(void)
167 {
168   register uint32_t __regAPSR          __ASM("apsr");
169   return(__regAPSR);
170 }
171 
172 
173 /**
174   \brief   Get xPSR Register
175   \details Returns the content of the xPSR Register.
176   \return               xPSR Register value
177  */
__get_xPSR(void)178 __STATIC_INLINE uint32_t __get_xPSR(void)
179 {
180   register uint32_t __regXPSR          __ASM("xpsr");
181   return(__regXPSR);
182 }
183 
184 
185 /**
186   \brief   Get Process Stack Pointer
187   \details Returns the current value of the Process Stack Pointer (PSP).
188   \return               PSP Register value
189  */
__get_PSP(void)190 __STATIC_INLINE uint32_t __get_PSP(void)
191 {
192   register uint32_t __regProcessStackPointer  __ASM("psp");
193   return(__regProcessStackPointer);
194 }
195 
196 
197 /**
198   \brief   Set Process Stack Pointer
199   \details Assigns the given value to the Process Stack Pointer (PSP).
200   \param [in]    topOfProcStack  Process Stack Pointer value to set
201  */
__set_PSP(uint32_t topOfProcStack)202 __STATIC_INLINE void __set_PSP(uint32_t topOfProcStack)
203 {
204   register uint32_t __regProcessStackPointer  __ASM("psp");
205   __regProcessStackPointer = topOfProcStack;
206 }
207 
208 
209 /**
210   \brief   Get Main Stack Pointer
211   \details Returns the current value of the Main Stack Pointer (MSP).
212   \return               MSP Register value
213  */
__get_MSP(void)214 __STATIC_INLINE uint32_t __get_MSP(void)
215 {
216   register uint32_t __regMainStackPointer     __ASM("msp");
217   return(__regMainStackPointer);
218 }
219 
220 
221 /**
222   \brief   Set Main Stack Pointer
223   \details Assigns the given value to the Main Stack Pointer (MSP).
224   \param [in]    topOfMainStack  Main Stack Pointer value to set
225  */
__set_MSP(uint32_t topOfMainStack)226 __STATIC_INLINE void __set_MSP(uint32_t topOfMainStack)
227 {
228   register uint32_t __regMainStackPointer     __ASM("msp");
229   __regMainStackPointer = topOfMainStack;
230 }
231 
232 
233 /**
234   \brief   Get Priority Mask
235   \details Returns the current state of the priority mask bit from the Priority Mask Register.
236   \return               Priority Mask value
237  */
__get_PRIMASK(void)238 __STATIC_INLINE uint32_t __get_PRIMASK(void)
239 {
240   register uint32_t __regPriMask         __ASM("primask");
241   return(__regPriMask);
242 }
243 
244 
245 /**
246   \brief   Set Priority Mask
247   \details Assigns the given value to the Priority Mask Register.
248   \param [in]    priMask  Priority Mask
249  */
__set_PRIMASK(uint32_t priMask)250 __STATIC_INLINE void __set_PRIMASK(uint32_t priMask)
251 {
252   register uint32_t __regPriMask         __ASM("primask");
253   __regPriMask = (priMask);
254 }
255 
256 
257 #if ((defined (__ARM_ARCH_7M__ ) && (__ARM_ARCH_7M__  == 1)) || \
258      (defined (__ARM_ARCH_7EM__) && (__ARM_ARCH_7EM__ == 1))     )
259 
260 /**
261   \brief   Enable FIQ
262   \details Enables FIQ interrupts by clearing the F-bit in the CPSR.
263            Can only be executed in Privileged modes.
264  */
265 #define __enable_fault_irq                __enable_fiq
266 
267 
268 /**
269   \brief   Disable FIQ
270   \details Disables FIQ interrupts by setting the F-bit in the CPSR.
271            Can only be executed in Privileged modes.
272  */
273 #define __disable_fault_irq               __disable_fiq
274 
275 
276 /**
277   \brief   Get Base Priority
278   \details Returns the current value of the Base Priority register.
279   \return               Base Priority register value
280  */
__get_BASEPRI(void)281 __STATIC_INLINE uint32_t  __get_BASEPRI(void)
282 {
283   register uint32_t __regBasePri         __ASM("basepri");
284   return(__regBasePri);
285 }
286 
287 
288 /**
289   \brief   Set Base Priority
290   \details Assigns the given value to the Base Priority register.
291   \param [in]    basePri  Base Priority value to set
292  */
__set_BASEPRI(uint32_t basePri)293 __STATIC_INLINE void __set_BASEPRI(uint32_t basePri)
294 {
295   register uint32_t __regBasePri         __ASM("basepri");
296   __regBasePri = (basePri & 0xFFU);
297 }
298 
299 
300 /**
301   \brief   Set Base Priority with condition
302   \details Assigns the given value to the Base Priority register only if BASEPRI masking is disabled,
303            or the new value increases the BASEPRI priority level.
304   \param [in]    basePri  Base Priority value to set
305  */
__set_BASEPRI_MAX(uint32_t basePri)306 __STATIC_INLINE void __set_BASEPRI_MAX(uint32_t basePri)
307 {
308   register uint32_t __regBasePriMax      __ASM("basepri_max");
309   __regBasePriMax = (basePri & 0xFFU);
310 }
311 
312 
313 /**
314   \brief   Get Fault Mask
315   \details Returns the current value of the Fault Mask register.
316   \return               Fault Mask register value
317  */
__get_FAULTMASK(void)318 __STATIC_INLINE uint32_t __get_FAULTMASK(void)
319 {
320   register uint32_t __regFaultMask       __ASM("faultmask");
321   return(__regFaultMask);
322 }
323 
324 
325 /**
326   \brief   Set Fault Mask
327   \details Assigns the given value to the Fault Mask register.
328   \param [in]    faultMask  Fault Mask value to set
329  */
__set_FAULTMASK(uint32_t faultMask)330 __STATIC_INLINE void __set_FAULTMASK(uint32_t faultMask)
331 {
332   register uint32_t __regFaultMask       __ASM("faultmask");
333   __regFaultMask = (faultMask & (uint32_t)1U);
334 }
335 
336 #endif /* ((defined (__ARM_ARCH_7M__ ) && (__ARM_ARCH_7M__  == 1)) || \
337            (defined (__ARM_ARCH_7EM__) && (__ARM_ARCH_7EM__ == 1))     ) */
338 
339 
340 #if ((defined (__ARM_ARCH_7EM__) && (__ARM_ARCH_7EM__ == 1))     )
341 
342 /**
343   \brief   Get FPSCR
344   \details Returns the current value of the Floating Point Status/Control register.
345   \return               Floating Point Status/Control register value
346  */
__get_FPSCR(void)347 __STATIC_INLINE uint32_t __get_FPSCR(void)
348 {
349 #if ((defined (__FPU_PRESENT) && (__FPU_PRESENT == 1U)) && \
350      (defined (__FPU_USED   ) && (__FPU_USED    == 1U))     )
351   register uint32_t __regfpscr         __ASM("fpscr");
352   return(__regfpscr);
353 #else
354    return(0U);
355 #endif
356 }
357 
358 
359 /**
360   \brief   Set FPSCR
361   \details Assigns the given value to the Floating Point Status/Control register.
362   \param [in]    fpscr  Floating Point Status/Control value to set
363  */
__set_FPSCR(uint32_t fpscr)364 __STATIC_INLINE void __set_FPSCR(uint32_t fpscr)
365 {
366 #if ((defined (__FPU_PRESENT) && (__FPU_PRESENT == 1U)) && \
367      (defined (__FPU_USED   ) && (__FPU_USED    == 1U))     )
368   register uint32_t __regfpscr         __ASM("fpscr");
369   __regfpscr = (fpscr);
370 #else
371   (void)fpscr;
372 #endif
373 }
374 
375 #endif /* ((defined (__ARM_ARCH_7EM__) && (__ARM_ARCH_7EM__ == 1))     ) */
376 
377 
378 
379 /*@} end of CMSIS_Core_RegAccFunctions */
380 
381 
382 /* ##########################  Core Instruction Access  ######################### */
383 /** \defgroup CMSIS_Core_InstructionInterface CMSIS Core Instruction Interface
384   Access to dedicated instructions
385   @{
386 */
387 
388 /**
389   \brief   No Operation
390   \details No Operation does nothing. This instruction can be used for code alignment purposes.
391  */
392 #define __NOP                             __nop
393 
394 
395 /**
396   \brief   Wait For Interrupt
397   \details Wait For Interrupt is a hint instruction that suspends execution until one of a number of events occurs.
398  */
399 #define __WFI                             __wfi
400 
401 
402 /**
403   \brief   Wait For Event
404   \details Wait For Event is a hint instruction that permits the processor to enter
405            a low-power state until one of a number of events occurs.
406  */
407 #define __WFE                             __wfe
408 
409 
410 /**
411   \brief   Send Event
412   \details Send Event is a hint instruction. It causes an event to be signaled to the CPU.
413  */
414 #define __SEV                             __sev
415 
416 
417 /**
418   \brief   Instruction Synchronization Barrier
419   \details Instruction Synchronization Barrier flushes the pipeline in the processor,
420            so that all instructions following the ISB are fetched from cache or memory,
421            after the instruction has been completed.
422  */
423 #define __ISB() do {\
424                    __schedule_barrier();\
425                    __isb(0xF);\
426                    __schedule_barrier();\
427                 } while (0U)
428 
429 /**
430   \brief   Data Synchronization Barrier
431   \details Acts as a special kind of Data Memory Barrier.
432            It completes when all explicit memory accesses before this instruction complete.
433  */
434 #define __DSB() do {\
435                    __schedule_barrier();\
436                    __dsb(0xF);\
437                    __schedule_barrier();\
438                 } while (0U)
439 
440 /**
441   \brief   Data Memory Barrier
442   \details Ensures the apparent order of the explicit memory operations before
443            and after the instruction, without ensuring their completion.
444  */
445 #define __DMB() do {\
446                    __schedule_barrier();\
447                    __dmb(0xF);\
448                    __schedule_barrier();\
449                 } while (0U)
450 
451 
452 /**
453   \brief   Reverse byte order (32 bit)
454   \details Reverses the byte order in unsigned integer value. For example, 0x12345678 becomes 0x78563412.
455   \param [in]    value  Value to reverse
456   \return               Reversed value
457  */
458 #define __REV                             __rev
459 
460 
461 /**
462   \brief   Reverse byte order (16 bit)
463   \details Reverses the byte order within each halfword of a word. For example, 0x12345678 becomes 0x34127856.
464   \param [in]    value  Value to reverse
465   \return               Reversed value
466  */
467 #ifndef __NO_EMBEDDED_ASM
__REV16(uint32_t value)468 __attribute__((section(".rev16_text"))) __STATIC_INLINE __ASM uint32_t __REV16(uint32_t value)
469 {
470   rev16 r0, r0
471   bx lr
472 }
473 #endif
474 
475 
476 /**
477   \brief   Reverse byte order (16 bit)
478   \details Reverses the byte order in a 16-bit value and returns the signed 16-bit result. For example, 0x0080 becomes 0x8000.
479   \param [in]    value  Value to reverse
480   \return               Reversed value
481  */
482 #ifndef __NO_EMBEDDED_ASM
__REVSH(int16_t value)483 __attribute__((section(".revsh_text"))) __STATIC_INLINE __ASM int16_t __REVSH(int16_t value)
484 {
485   revsh r0, r0
486   bx lr
487 }
488 #endif
489 
490 
491 /**
492   \brief   Rotate Right in unsigned value (32 bit)
493   \details Rotate Right (immediate) provides the value of the contents of a register rotated by a variable number of bits.
494   \param [in]    op1  Value to rotate
495   \param [in]    op2  Number of Bits to rotate
496   \return               Rotated value
497  */
498 #define __ROR                             __ror
499 
500 
501 /**
502   \brief   Breakpoint
503   \details Causes the processor to enter Debug state.
504            Debug tools can use this to investigate system state when the instruction at a particular address is reached.
505   \param [in]    value  is ignored by the processor.
506                  If required, a debugger can use it to store additional information about the breakpoint.
507  */
508 #define __BKPT(value)                       __breakpoint(value)
509 
510 
511 /**
512   \brief   Reverse bit order of value
513   \details Reverses the bit order of the given value.
514   \param [in]    value  Value to reverse
515   \return               Reversed value
516  */
517 #if ((defined (__ARM_ARCH_7M__ ) && (__ARM_ARCH_7M__  == 1)) || \
518      (defined (__ARM_ARCH_7EM__) && (__ARM_ARCH_7EM__ == 1))     )
519   #define __RBIT                          __rbit
520 #else
__RBIT(uint32_t value)521 __attribute__((always_inline)) __STATIC_INLINE uint32_t __RBIT(uint32_t value)
522 {
523   uint32_t result;
524   uint32_t s = (4U /*sizeof(v)*/ * 8U) - 1U; /* extra shift needed at end */
525 
526   result = value;                      /* r will be reversed bits of v; first get LSB of v */
527   for (value >>= 1U; value != 0U; value >>= 1U)
528   {
529     result <<= 1U;
530     result |= value & 1U;
531     s--;
532   }
533   result <<= s;                        /* shift when v's highest bits are zero */
534   return result;
535 }
536 #endif
537 
538 
539 /**
540   \brief   Count leading zeros
541   \details Counts the number of leading zeros of a data value.
542   \param [in]  value  Value to count the leading zeros
543   \return             number of leading zeros in value
544  */
545 #define __CLZ                             __clz
546 
547 
548 #if ((defined (__ARM_ARCH_7M__ ) && (__ARM_ARCH_7M__  == 1)) || \
549      (defined (__ARM_ARCH_7EM__) && (__ARM_ARCH_7EM__ == 1))     )
550 
551 /**
552   \brief   LDR Exclusive (8 bit)
553   \details Executes a exclusive LDR instruction for 8 bit value.
554   \param [in]    ptr  Pointer to data
555   \return             value of type uint8_t at (*ptr)
556  */
557 #if defined(__ARMCC_VERSION) && (__ARMCC_VERSION < 5060020)
558   #define __LDREXB(ptr)                                                        ((uint8_t ) __ldrex(ptr))
559 #else
560   #define __LDREXB(ptr)          _Pragma("push") _Pragma("diag_suppress 3731") ((uint8_t ) __ldrex(ptr))  _Pragma("pop")
561 #endif
562 
563 
564 /**
565   \brief   LDR Exclusive (16 bit)
566   \details Executes a exclusive LDR instruction for 16 bit values.
567   \param [in]    ptr  Pointer to data
568   \return        value of type uint16_t at (*ptr)
569  */
570 #if defined(__ARMCC_VERSION) && (__ARMCC_VERSION < 5060020)
571   #define __LDREXH(ptr)                                                        ((uint16_t) __ldrex(ptr))
572 #else
573   #define __LDREXH(ptr)          _Pragma("push") _Pragma("diag_suppress 3731") ((uint16_t) __ldrex(ptr))  _Pragma("pop")
574 #endif
575 
576 
577 /**
578   \brief   LDR Exclusive (32 bit)
579   \details Executes a exclusive LDR instruction for 32 bit values.
580   \param [in]    ptr  Pointer to data
581   \return        value of type uint32_t at (*ptr)
582  */
583 #if defined(__ARMCC_VERSION) && (__ARMCC_VERSION < 5060020)
584   #define __LDREXW(ptr)                                                        ((uint32_t ) __ldrex(ptr))
585 #else
586   #define __LDREXW(ptr)          _Pragma("push") _Pragma("diag_suppress 3731") ((uint32_t ) __ldrex(ptr))  _Pragma("pop")
587 #endif
588 
589 
590 /**
591   \brief   STR Exclusive (8 bit)
592   \details Executes a exclusive STR instruction for 8 bit values.
593   \param [in]  value  Value to store
594   \param [in]    ptr  Pointer to location
595   \return          0  Function succeeded
596   \return          1  Function failed
597  */
598 #if defined(__ARMCC_VERSION) && (__ARMCC_VERSION < 5060020)
599   #define __STREXB(value, ptr)                                                 __strex(value, ptr)
600 #else
601   #define __STREXB(value, ptr)   _Pragma("push") _Pragma("diag_suppress 3731") __strex(value, ptr)        _Pragma("pop")
602 #endif
603 
604 
605 /**
606   \brief   STR Exclusive (16 bit)
607   \details Executes a exclusive STR instruction for 16 bit values.
608   \param [in]  value  Value to store
609   \param [in]    ptr  Pointer to location
610   \return          0  Function succeeded
611   \return          1  Function failed
612  */
613 #if defined(__ARMCC_VERSION) && (__ARMCC_VERSION < 5060020)
614   #define __STREXH(value, ptr)                                                 __strex(value, ptr)
615 #else
616   #define __STREXH(value, ptr)   _Pragma("push") _Pragma("diag_suppress 3731") __strex(value, ptr)        _Pragma("pop")
617 #endif
618 
619 
620 /**
621   \brief   STR Exclusive (32 bit)
622   \details Executes a exclusive STR instruction for 32 bit values.
623   \param [in]  value  Value to store
624   \param [in]    ptr  Pointer to location
625   \return          0  Function succeeded
626   \return          1  Function failed
627  */
628 #if defined(__ARMCC_VERSION) && (__ARMCC_VERSION < 5060020)
629   #define __STREXW(value, ptr)                                                 __strex(value, ptr)
630 #else
631   #define __STREXW(value, ptr)   _Pragma("push") _Pragma("diag_suppress 3731") __strex(value, ptr)        _Pragma("pop")
632 #endif
633 
634 
635 /**
636   \brief   Remove the exclusive lock
637   \details Removes the exclusive lock which is created by LDREX.
638  */
639 #define __CLREX                           __clrex
640 
641 
642 /**
643   \brief   Signed Saturate
644   \details Saturates a signed value.
645   \param [in]  value  Value to be saturated
646   \param [in]    sat  Bit position to saturate to (1..32)
647   \return             Saturated value
648  */
649 #define __SSAT                            __ssat
650 
651 
652 /**
653   \brief   Unsigned Saturate
654   \details Saturates an unsigned value.
655   \param [in]  value  Value to be saturated
656   \param [in]    sat  Bit position to saturate to (0..31)
657   \return             Saturated value
658  */
659 #define __USAT                            __usat
660 
661 
662 /**
663   \brief   Rotate Right with Extend (32 bit)
664   \details Moves each bit of a bitstring right by one bit.
665            The carry input is shifted in at the left end of the bitstring.
666   \param [in]    value  Value to rotate
667   \return               Rotated value
668  */
669 #ifndef __NO_EMBEDDED_ASM
__RRX(uint32_t value)670 __attribute__((section(".rrx_text"))) __STATIC_INLINE __ASM uint32_t __RRX(uint32_t value)
671 {
672   rrx r0, r0
673   bx lr
674 }
675 #endif
676 
677 
678 /**
679   \brief   LDRT Unprivileged (8 bit)
680   \details Executes a Unprivileged LDRT instruction for 8 bit value.
681   \param [in]    ptr  Pointer to data
682   \return             value of type uint8_t at (*ptr)
683  */
684 #define __LDRBT(ptr)                      ((uint8_t )  __ldrt(ptr))
685 
686 
687 /**
688   \brief   LDRT Unprivileged (16 bit)
689   \details Executes a Unprivileged LDRT instruction for 16 bit values.
690   \param [in]    ptr  Pointer to data
691   \return        value of type uint16_t at (*ptr)
692  */
693 #define __LDRHT(ptr)                      ((uint16_t)  __ldrt(ptr))
694 
695 
696 /**
697   \brief   LDRT Unprivileged (32 bit)
698   \details Executes a Unprivileged LDRT instruction for 32 bit values.
699   \param [in]    ptr  Pointer to data
700   \return        value of type uint32_t at (*ptr)
701  */
702 #define __LDRT(ptr)                       ((uint32_t ) __ldrt(ptr))
703 
704 
705 /**
706   \brief   STRT Unprivileged (8 bit)
707   \details Executes a Unprivileged STRT instruction for 8 bit values.
708   \param [in]  value  Value to store
709   \param [in]    ptr  Pointer to location
710  */
711 #define __STRBT(value, ptr)               __strt(value, ptr)
712 
713 
714 /**
715   \brief   STRT Unprivileged (16 bit)
716   \details Executes a Unprivileged STRT instruction for 16 bit values.
717   \param [in]  value  Value to store
718   \param [in]    ptr  Pointer to location
719  */
720 #define __STRHT(value, ptr)               __strt(value, ptr)
721 
722 
723 /**
724   \brief   STRT Unprivileged (32 bit)
725   \details Executes a Unprivileged STRT instruction for 32 bit values.
726   \param [in]  value  Value to store
727   \param [in]    ptr  Pointer to location
728  */
729 #define __STRT(value, ptr)                __strt(value, ptr)
730 
731 #else  /* ((defined (__ARM_ARCH_7M__ ) && (__ARM_ARCH_7M__  == 1)) || \
732            (defined (__ARM_ARCH_7EM__) && (__ARM_ARCH_7EM__ == 1))     ) */
733 
734 /**
735   \brief   Signed Saturate
736   \details Saturates a signed value.
737   \param [in]  value  Value to be saturated
738   \param [in]    sat  Bit position to saturate to (1..32)
739   \return             Saturated value
740  */
__SSAT(int32_t val,uint32_t sat)741 __attribute__((always_inline)) __STATIC_INLINE int32_t __SSAT(int32_t val, uint32_t sat)
742 {
743   if ((sat >= 1U) && (sat <= 32U))
744   {
745     const int32_t max = (int32_t)((1U << (sat - 1U)) - 1U);
746     const int32_t min = -1 - max ;
747     if (val > max)
748     {
749       return max;
750     }
751     else if (val < min)
752     {
753       return min;
754     }
755   }
756   return val;
757 }
758 
759 /**
760   \brief   Unsigned Saturate
761   \details Saturates an unsigned value.
762   \param [in]  value  Value to be saturated
763   \param [in]    sat  Bit position to saturate to (0..31)
764   \return             Saturated value
765  */
__USAT(int32_t val,uint32_t sat)766 __attribute__((always_inline)) __STATIC_INLINE uint32_t __USAT(int32_t val, uint32_t sat)
767 {
768   if (sat <= 31U)
769   {
770     const uint32_t max = ((1U << sat) - 1U);
771     if (val > (int32_t)max)
772     {
773       return max;
774     }
775     else if (val < 0)
776     {
777       return 0U;
778     }
779   }
780   return (uint32_t)val;
781 }
782 
783 #endif /* ((defined (__ARM_ARCH_7M__ ) && (__ARM_ARCH_7M__  == 1)) || \
784            (defined (__ARM_ARCH_7EM__) && (__ARM_ARCH_7EM__ == 1))     ) */
785 
786 /*@}*/ /* end of group CMSIS_Core_InstructionInterface */
787 
788 
789 /* ###################  Compiler specific Intrinsics  ########################### */
790 /** \defgroup CMSIS_SIMD_intrinsics CMSIS SIMD Intrinsics
791   Access to dedicated SIMD instructions
792   @{
793 */
794 
795 #if ((defined (__ARM_ARCH_7EM__) && (__ARM_ARCH_7EM__ == 1))     )
796 
797 #define __SADD8                           __sadd8
798 #define __QADD8                           __qadd8
799 #define __SHADD8                          __shadd8
800 #define __UADD8                           __uadd8
801 #define __UQADD8                          __uqadd8
802 #define __UHADD8                          __uhadd8
803 #define __SSUB8                           __ssub8
804 #define __QSUB8                           __qsub8
805 #define __SHSUB8                          __shsub8
806 #define __USUB8                           __usub8
807 #define __UQSUB8                          __uqsub8
808 #define __UHSUB8                          __uhsub8
809 #define __SADD16                          __sadd16
810 #define __QADD16                          __qadd16
811 #define __SHADD16                         __shadd16
812 #define __UADD16                          __uadd16
813 #define __UQADD16                         __uqadd16
814 #define __UHADD16                         __uhadd16
815 #define __SSUB16                          __ssub16
816 #define __QSUB16                          __qsub16
817 #define __SHSUB16                         __shsub16
818 #define __USUB16                          __usub16
819 #define __UQSUB16                         __uqsub16
820 #define __UHSUB16                         __uhsub16
821 #define __SASX                            __sasx
822 #define __QASX                            __qasx
823 #define __SHASX                           __shasx
824 #define __UASX                            __uasx
825 #define __UQASX                           __uqasx
826 #define __UHASX                           __uhasx
827 #define __SSAX                            __ssax
828 #define __QSAX                            __qsax
829 #define __SHSAX                           __shsax
830 #define __USAX                            __usax
831 #define __UQSAX                           __uqsax
832 #define __UHSAX                           __uhsax
833 #define __USAD8                           __usad8
834 #define __USADA8                          __usada8
835 #define __SSAT16                          __ssat16
836 #define __USAT16                          __usat16
837 #define __UXTB16                          __uxtb16
838 #define __UXTAB16                         __uxtab16
839 #define __SXTB16                          __sxtb16
840 #define __SXTAB16                         __sxtab16
841 #define __SMUAD                           __smuad
842 #define __SMUADX                          __smuadx
843 #define __SMLAD                           __smlad
844 #define __SMLADX                          __smladx
845 #define __SMLALD                          __smlald
846 #define __SMLALDX                         __smlaldx
847 #define __SMUSD                           __smusd
848 #define __SMUSDX                          __smusdx
849 #define __SMLSD                           __smlsd
850 #define __SMLSDX                          __smlsdx
851 #define __SMLSLD                          __smlsld
852 #define __SMLSLDX                         __smlsldx
853 #define __SEL                             __sel
854 #define __QADD                            __qadd
855 #define __QSUB                            __qsub
856 
857 #define __PKHBT(ARG1,ARG2,ARG3)          ( ((((uint32_t)(ARG1))          ) & 0x0000FFFFUL) |  \
858                                            ((((uint32_t)(ARG2)) << (ARG3)) & 0xFFFF0000UL)  )
859 
860 #define __PKHTB(ARG1,ARG2,ARG3)          ( ((((uint32_t)(ARG1))          ) & 0xFFFF0000UL) |  \
861                                            ((((uint32_t)(ARG2)) >> (ARG3)) & 0x0000FFFFUL)  )
862 
863 #define __SMMLA(ARG1,ARG2,ARG3)          ( (int32_t)((((int64_t)(ARG1) * (ARG2)) + \
864                                                       ((int64_t)(ARG3) << 32U)     ) >> 32U))
865 
866 #endif /* ((defined (__ARM_ARCH_7EM__) && (__ARM_ARCH_7EM__ == 1))     ) */
867 /*@} end of group CMSIS_SIMD_intrinsics */
868 
869 
870 #endif /* __CMSIS_ARMCC_H */
871