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 /**
341 \brief Get FPSCR
342 \details Returns the current value of the Floating Point Status/Control register.
343 \return Floating Point Status/Control register value
344 */
__get_FPSCR(void)345 __STATIC_INLINE uint32_t __get_FPSCR(void)
346 {
347 #if ((defined (__FPU_PRESENT) && (__FPU_PRESENT == 1U)) && \
348 (defined (__FPU_USED ) && (__FPU_USED == 1U)) )
349 register uint32_t __regfpscr __ASM("fpscr");
350 return(__regfpscr);
351 #else
352 return(0U);
353 #endif
354 }
355
356
357 /**
358 \brief Set FPSCR
359 \details Assigns the given value to the Floating Point Status/Control register.
360 \param [in] fpscr Floating Point Status/Control value to set
361 */
__set_FPSCR(uint32_t fpscr)362 __STATIC_INLINE void __set_FPSCR(uint32_t fpscr)
363 {
364 #if ((defined (__FPU_PRESENT) && (__FPU_PRESENT == 1U)) && \
365 (defined (__FPU_USED ) && (__FPU_USED == 1U)) )
366 register uint32_t __regfpscr __ASM("fpscr");
367 __regfpscr = (fpscr);
368 #else
369 (void)fpscr;
370 #endif
371 }
372
373
374 /*@} end of CMSIS_Core_RegAccFunctions */
375
376
377 /* ########################## Core Instruction Access ######################### */
378 /** \defgroup CMSIS_Core_InstructionInterface CMSIS Core Instruction Interface
379 Access to dedicated instructions
380 @{
381 */
382
383 /**
384 \brief No Operation
385 \details No Operation does nothing. This instruction can be used for code alignment purposes.
386 */
387 #define __NOP __nop
388
389
390 /**
391 \brief Wait For Interrupt
392 \details Wait For Interrupt is a hint instruction that suspends execution until one of a number of events occurs.
393 */
394 #define __WFI __wfi
395
396
397 /**
398 \brief Wait For Event
399 \details Wait For Event is a hint instruction that permits the processor to enter
400 a low-power state until one of a number of events occurs.
401 */
402 #define __WFE __wfe
403
404
405 /**
406 \brief Send Event
407 \details Send Event is a hint instruction. It causes an event to be signaled to the CPU.
408 */
409 #define __SEV __sev
410
411
412 /**
413 \brief Instruction Synchronization Barrier
414 \details Instruction Synchronization Barrier flushes the pipeline in the processor,
415 so that all instructions following the ISB are fetched from cache or memory,
416 after the instruction has been completed.
417 */
418 #define __ISB() do {\
419 __schedule_barrier();\
420 __isb(0xF);\
421 __schedule_barrier();\
422 } while (0U)
423
424 /**
425 \brief Data Synchronization Barrier
426 \details Acts as a special kind of Data Memory Barrier.
427 It completes when all explicit memory accesses before this instruction complete.
428 */
429 #define __DSB() do {\
430 __schedule_barrier();\
431 __dsb(0xF);\
432 __schedule_barrier();\
433 } while (0U)
434
435 /**
436 \brief Data Memory Barrier
437 \details Ensures the apparent order of the explicit memory operations before
438 and after the instruction, without ensuring their completion.
439 */
440 #define __DMB() do {\
441 __schedule_barrier();\
442 __dmb(0xF);\
443 __schedule_barrier();\
444 } while (0U)
445
446
447 /**
448 \brief Reverse byte order (32 bit)
449 \details Reverses the byte order in unsigned integer value. For example, 0x12345678 becomes 0x78563412.
450 \param [in] value Value to reverse
451 \return Reversed value
452 */
453 #define __REV __rev
454
455
456 /**
457 \brief Reverse byte order (16 bit)
458 \details Reverses the byte order within each halfword of a word. For example, 0x12345678 becomes 0x34127856.
459 \param [in] value Value to reverse
460 \return Reversed value
461 */
462 #ifndef __NO_EMBEDDED_ASM
__REV16(uint32_t value)463 __attribute__((section(".rev16_text"))) __STATIC_INLINE __ASM uint32_t __REV16(uint32_t value)
464 {
465 rev16 r0, r0
466 bx lr
467 }
468 #endif
469
470
471 /**
472 \brief Reverse byte order (16 bit)
473 \details Reverses the byte order in a 16-bit value and returns the signed 16-bit result. For example, 0x0080 becomes 0x8000.
474 \param [in] value Value to reverse
475 \return Reversed value
476 */
477 #ifndef __NO_EMBEDDED_ASM
__REVSH(int16_t value)478 __attribute__((section(".revsh_text"))) __STATIC_INLINE __ASM int16_t __REVSH(int16_t value)
479 {
480 revsh r0, r0
481 bx lr
482 }
483 #endif
484
485
486 /**
487 \brief Rotate Right in unsigned value (32 bit)
488 \details Rotate Right (immediate) provides the value of the contents of a register rotated by a variable number of bits.
489 \param [in] op1 Value to rotate
490 \param [in] op2 Number of Bits to rotate
491 \return Rotated value
492 */
493 #define __ROR __ror
494
495
496 /**
497 \brief Breakpoint
498 \details Causes the processor to enter Debug state.
499 Debug tools can use this to investigate system state when the instruction at a particular address is reached.
500 \param [in] value is ignored by the processor.
501 If required, a debugger can use it to store additional information about the breakpoint.
502 */
503 #define __BKPT(value) __breakpoint(value)
504
505
506 /**
507 \brief Reverse bit order of value
508 \details Reverses the bit order of the given value.
509 \param [in] value Value to reverse
510 \return Reversed value
511 */
512 #if ((defined (__ARM_ARCH_7M__ ) && (__ARM_ARCH_7M__ == 1)) || \
513 (defined (__ARM_ARCH_7EM__) && (__ARM_ARCH_7EM__ == 1)) )
514 #define __RBIT __rbit
515 #else
__RBIT(uint32_t value)516 __attribute__((always_inline)) __STATIC_INLINE uint32_t __RBIT(uint32_t value)
517 {
518 uint32_t result;
519 uint32_t s = (4U /*sizeof(v)*/ * 8U) - 1U; /* extra shift needed at end */
520
521 result = value; /* r will be reversed bits of v; first get LSB of v */
522 for (value >>= 1U; value != 0U; value >>= 1U)
523 {
524 result <<= 1U;
525 result |= value & 1U;
526 s--;
527 }
528 result <<= s; /* shift when v's highest bits are zero */
529 return result;
530 }
531 #endif
532
533
534 /**
535 \brief Count leading zeros
536 \details Counts the number of leading zeros of a data value.
537 \param [in] value Value to count the leading zeros
538 \return number of leading zeros in value
539 */
540 #define __CLZ __clz
541
542
543 #if ((defined (__ARM_ARCH_7M__ ) && (__ARM_ARCH_7M__ == 1)) || \
544 (defined (__ARM_ARCH_7EM__) && (__ARM_ARCH_7EM__ == 1)) )
545
546 /**
547 \brief LDR Exclusive (8 bit)
548 \details Executes a exclusive LDR instruction for 8 bit value.
549 \param [in] ptr Pointer to data
550 \return value of type uint8_t at (*ptr)
551 */
552 #if defined(__ARMCC_VERSION) && (__ARMCC_VERSION < 5060020)
553 #define __LDREXB(ptr) ((uint8_t ) __ldrex(ptr))
554 #else
555 #define __LDREXB(ptr) _Pragma("push") _Pragma("diag_suppress 3731") ((uint8_t ) __ldrex(ptr)) _Pragma("pop")
556 #endif
557
558
559 /**
560 \brief LDR Exclusive (16 bit)
561 \details Executes a exclusive LDR instruction for 16 bit values.
562 \param [in] ptr Pointer to data
563 \return value of type uint16_t at (*ptr)
564 */
565 #if defined(__ARMCC_VERSION) && (__ARMCC_VERSION < 5060020)
566 #define __LDREXH(ptr) ((uint16_t) __ldrex(ptr))
567 #else
568 #define __LDREXH(ptr) _Pragma("push") _Pragma("diag_suppress 3731") ((uint16_t) __ldrex(ptr)) _Pragma("pop")
569 #endif
570
571
572 /**
573 \brief LDR Exclusive (32 bit)
574 \details Executes a exclusive LDR instruction for 32 bit values.
575 \param [in] ptr Pointer to data
576 \return value of type uint32_t at (*ptr)
577 */
578 #if defined(__ARMCC_VERSION) && (__ARMCC_VERSION < 5060020)
579 #define __LDREXW(ptr) ((uint32_t ) __ldrex(ptr))
580 #else
581 #define __LDREXW(ptr) _Pragma("push") _Pragma("diag_suppress 3731") ((uint32_t ) __ldrex(ptr)) _Pragma("pop")
582 #endif
583
584
585 /**
586 \brief STR Exclusive (8 bit)
587 \details Executes a exclusive STR instruction for 8 bit values.
588 \param [in] value Value to store
589 \param [in] ptr Pointer to location
590 \return 0 Function succeeded
591 \return 1 Function failed
592 */
593 #if defined(__ARMCC_VERSION) && (__ARMCC_VERSION < 5060020)
594 #define __STREXB(value, ptr) __strex(value, ptr)
595 #else
596 #define __STREXB(value, ptr) _Pragma("push") _Pragma("diag_suppress 3731") __strex(value, ptr) _Pragma("pop")
597 #endif
598
599
600 /**
601 \brief STR Exclusive (16 bit)
602 \details Executes a exclusive STR instruction for 16 bit values.
603 \param [in] value Value to store
604 \param [in] ptr Pointer to location
605 \return 0 Function succeeded
606 \return 1 Function failed
607 */
608 #if defined(__ARMCC_VERSION) && (__ARMCC_VERSION < 5060020)
609 #define __STREXH(value, ptr) __strex(value, ptr)
610 #else
611 #define __STREXH(value, ptr) _Pragma("push") _Pragma("diag_suppress 3731") __strex(value, ptr) _Pragma("pop")
612 #endif
613
614
615 /**
616 \brief STR Exclusive (32 bit)
617 \details Executes a exclusive STR instruction for 32 bit values.
618 \param [in] value Value to store
619 \param [in] ptr Pointer to location
620 \return 0 Function succeeded
621 \return 1 Function failed
622 */
623 #if defined(__ARMCC_VERSION) && (__ARMCC_VERSION < 5060020)
624 #define __STREXW(value, ptr) __strex(value, ptr)
625 #else
626 #define __STREXW(value, ptr) _Pragma("push") _Pragma("diag_suppress 3731") __strex(value, ptr) _Pragma("pop")
627 #endif
628
629
630 /**
631 \brief Remove the exclusive lock
632 \details Removes the exclusive lock which is created by LDREX.
633 */
634 #define __CLREX __clrex
635
636
637 /**
638 \brief Signed Saturate
639 \details Saturates a signed value.
640 \param [in] value Value to be saturated
641 \param [in] sat Bit position to saturate to (1..32)
642 \return Saturated value
643 */
644 #define __SSAT __ssat
645
646
647 /**
648 \brief Unsigned Saturate
649 \details Saturates an unsigned value.
650 \param [in] value Value to be saturated
651 \param [in] sat Bit position to saturate to (0..31)
652 \return Saturated value
653 */
654 #define __USAT __usat
655
656
657 /**
658 \brief Rotate Right with Extend (32 bit)
659 \details Moves each bit of a bitstring right by one bit.
660 The carry input is shifted in at the left end of the bitstring.
661 \param [in] value Value to rotate
662 \return Rotated value
663 */
664 #ifndef __NO_EMBEDDED_ASM
__RRX(uint32_t value)665 __attribute__((section(".rrx_text"))) __STATIC_INLINE __ASM uint32_t __RRX(uint32_t value)
666 {
667 rrx r0, r0
668 bx lr
669 }
670 #endif
671
672
673 /**
674 \brief LDRT Unprivileged (8 bit)
675 \details Executes a Unprivileged LDRT instruction for 8 bit value.
676 \param [in] ptr Pointer to data
677 \return value of type uint8_t at (*ptr)
678 */
679 #define __LDRBT(ptr) ((uint8_t ) __ldrt(ptr))
680
681
682 /**
683 \brief LDRT Unprivileged (16 bit)
684 \details Executes a Unprivileged LDRT instruction for 16 bit values.
685 \param [in] ptr Pointer to data
686 \return value of type uint16_t at (*ptr)
687 */
688 #define __LDRHT(ptr) ((uint16_t) __ldrt(ptr))
689
690
691 /**
692 \brief LDRT Unprivileged (32 bit)
693 \details Executes a Unprivileged LDRT instruction for 32 bit values.
694 \param [in] ptr Pointer to data
695 \return value of type uint32_t at (*ptr)
696 */
697 #define __LDRT(ptr) ((uint32_t ) __ldrt(ptr))
698
699
700 /**
701 \brief STRT Unprivileged (8 bit)
702 \details Executes a Unprivileged STRT instruction for 8 bit values.
703 \param [in] value Value to store
704 \param [in] ptr Pointer to location
705 */
706 #define __STRBT(value, ptr) __strt(value, ptr)
707
708
709 /**
710 \brief STRT Unprivileged (16 bit)
711 \details Executes a Unprivileged STRT instruction for 16 bit values.
712 \param [in] value Value to store
713 \param [in] ptr Pointer to location
714 */
715 #define __STRHT(value, ptr) __strt(value, ptr)
716
717
718 /**
719 \brief STRT Unprivileged (32 bit)
720 \details Executes a Unprivileged STRT instruction for 32 bit values.
721 \param [in] value Value to store
722 \param [in] ptr Pointer to location
723 */
724 #define __STRT(value, ptr) __strt(value, ptr)
725
726 #else /* ((defined (__ARM_ARCH_7M__ ) && (__ARM_ARCH_7M__ == 1)) || \
727 (defined (__ARM_ARCH_7EM__) && (__ARM_ARCH_7EM__ == 1)) ) */
728
729 /**
730 \brief Signed Saturate
731 \details Saturates a signed value.
732 \param [in] value Value to be saturated
733 \param [in] sat Bit position to saturate to (1..32)
734 \return Saturated value
735 */
__SSAT(int32_t val,uint32_t sat)736 __attribute__((always_inline)) __STATIC_INLINE int32_t __SSAT(int32_t val, uint32_t sat)
737 {
738 if ((sat >= 1U) && (sat <= 32U))
739 {
740 const int32_t max = (int32_t)((1U << (sat - 1U)) - 1U);
741 const int32_t min = -1 - max ;
742 if (val > max)
743 {
744 return max;
745 }
746 else if (val < min)
747 {
748 return min;
749 }
750 }
751 return val;
752 }
753
754 /**
755 \brief Unsigned Saturate
756 \details Saturates an unsigned value.
757 \param [in] value Value to be saturated
758 \param [in] sat Bit position to saturate to (0..31)
759 \return Saturated value
760 */
__USAT(int32_t val,uint32_t sat)761 __attribute__((always_inline)) __STATIC_INLINE uint32_t __USAT(int32_t val, uint32_t sat)
762 {
763 if (sat <= 31U)
764 {
765 const uint32_t max = ((1U << sat) - 1U);
766 if (val > (int32_t)max)
767 {
768 return max;
769 }
770 else if (val < 0)
771 {
772 return 0U;
773 }
774 }
775 return (uint32_t)val;
776 }
777
778 #endif /* ((defined (__ARM_ARCH_7M__ ) && (__ARM_ARCH_7M__ == 1)) || \
779 (defined (__ARM_ARCH_7EM__) && (__ARM_ARCH_7EM__ == 1)) ) */
780
781 /*@}*/ /* end of group CMSIS_Core_InstructionInterface */
782
783
784 /* ################### Compiler specific Intrinsics ########################### */
785 /** \defgroup CMSIS_SIMD_intrinsics CMSIS SIMD Intrinsics
786 Access to dedicated SIMD instructions
787 @{
788 */
789
790 #if ((defined (__ARM_ARCH_7EM__) && (__ARM_ARCH_7EM__ == 1)) )
791
792 #define __SADD8 __sadd8
793 #define __QADD8 __qadd8
794 #define __SHADD8 __shadd8
795 #define __UADD8 __uadd8
796 #define __UQADD8 __uqadd8
797 #define __UHADD8 __uhadd8
798 #define __SSUB8 __ssub8
799 #define __QSUB8 __qsub8
800 #define __SHSUB8 __shsub8
801 #define __USUB8 __usub8
802 #define __UQSUB8 __uqsub8
803 #define __UHSUB8 __uhsub8
804 #define __SADD16 __sadd16
805 #define __QADD16 __qadd16
806 #define __SHADD16 __shadd16
807 #define __UADD16 __uadd16
808 #define __UQADD16 __uqadd16
809 #define __UHADD16 __uhadd16
810 #define __SSUB16 __ssub16
811 #define __QSUB16 __qsub16
812 #define __SHSUB16 __shsub16
813 #define __USUB16 __usub16
814 #define __UQSUB16 __uqsub16
815 #define __UHSUB16 __uhsub16
816 #define __SASX __sasx
817 #define __QASX __qasx
818 #define __SHASX __shasx
819 #define __UASX __uasx
820 #define __UQASX __uqasx
821 #define __UHASX __uhasx
822 #define __SSAX __ssax
823 #define __QSAX __qsax
824 #define __SHSAX __shsax
825 #define __USAX __usax
826 #define __UQSAX __uqsax
827 #define __UHSAX __uhsax
828 #define __USAD8 __usad8
829 #define __USADA8 __usada8
830 #define __SSAT16 __ssat16
831 #define __USAT16 __usat16
832 #define __UXTB16 __uxtb16
833 #define __UXTAB16 __uxtab16
834 #define __SXTB16 __sxtb16
835 #define __SXTAB16 __sxtab16
836 #define __SMUAD __smuad
837 #define __SMUADX __smuadx
838 #define __SMLAD __smlad
839 #define __SMLADX __smladx
840 #define __SMLALD __smlald
841 #define __SMLALDX __smlaldx
842 #define __SMUSD __smusd
843 #define __SMUSDX __smusdx
844 #define __SMLSD __smlsd
845 #define __SMLSDX __smlsdx
846 #define __SMLSLD __smlsld
847 #define __SMLSLDX __smlsldx
848 #define __SEL __sel
849 #define __QADD __qadd
850 #define __QSUB __qsub
851
852 #define __PKHBT(ARG1,ARG2,ARG3) ( ((((uint32_t)(ARG1)) ) & 0x0000FFFFUL) | \
853 ((((uint32_t)(ARG2)) << (ARG3)) & 0xFFFF0000UL) )
854
855 #define __PKHTB(ARG1,ARG2,ARG3) ( ((((uint32_t)(ARG1)) ) & 0xFFFF0000UL) | \
856 ((((uint32_t)(ARG2)) >> (ARG3)) & 0x0000FFFFUL) )
857
858 #define __SMMLA(ARG1,ARG2,ARG3) ( (int32_t)((((int64_t)(ARG1) * (ARG2)) + \
859 ((int64_t)(ARG3) << 32U) ) >> 32U))
860
861 #endif /* ((defined (__ARM_ARCH_7EM__) && (__ARM_ARCH_7EM__ == 1)) ) */
862 /*@} end of group CMSIS_SIMD_intrinsics */
863
864
865 #endif /* __CMSIS_ARMCC_H */
866