1 /**************************************************************************//**
3 * @brief CMSIS Cortex-M Core Function/Instruction Header File
5 * @date 20. December 2016
6 ******************************************************************************/
8 * Copyright (c) 2009-2016 ARM Limited. All rights reserved.
10 * SPDX-License-Identifier: Apache-2.0
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
16 * www.apache.org/licenses/LICENSE-2.0
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.
28 /* ignore some GCC warnings */
29 #pragma GCC diagnostic push
30 #pragma GCC diagnostic ignored "-Wsign-conversion"
31 #pragma GCC diagnostic ignored "-Wconversion"
32 #pragma GCC diagnostic ignored "-Wunused-parameter"
34 /* CMSIS compiler specific defines */
39 #define __INLINE inline
41 #ifndef __STATIC_INLINE
42 #define __STATIC_INLINE static inline
45 #define __NO_RETURN __attribute__((noreturn))
48 #define __USED __attribute__((used))
51 #define __WEAK __attribute__((weak))
53 #ifndef __UNALIGNED_UINT32
54 #pragma GCC diagnostic push
55 #pragma GCC diagnostic ignored "-Wpacked"
56 #pragma GCC diagnostic ignored "-Wattributes"
57 struct __attribute__((packed)) T_UINT32 { uint32_t v; };
58 #pragma GCC diagnostic pop
59 #define __UNALIGNED_UINT32(x) (((struct T_UINT32 *)(x))->v)
62 #define __ALIGNED(x) __attribute__((aligned(x)))
65 #define __PACKED __attribute__((packed, aligned(1)))
69 /* ########################### Core Function Access ########################### */
70 /** \ingroup CMSIS_Core_FunctionInterface
71 \defgroup CMSIS_Core_RegAccFunctions CMSIS Core Register Access Functions
76 \brief Enable IRQ Interrupts
77 \details Enables IRQ interrupts by clearing the I-bit in the CPSR.
78 Can only be executed in Privileged modes.
80 __attribute__((always_inline)) __STATIC_INLINE void __enable_irq(void)
82 __ASM volatile ("cpsie i" : : : "memory");
87 \brief Disable IRQ Interrupts
88 \details Disables IRQ interrupts by setting the I-bit in the CPSR.
89 Can only be executed in Privileged modes.
91 __attribute__((always_inline)) __STATIC_INLINE void __disable_irq(void)
93 __ASM volatile ("cpsid i" : : : "memory");
98 \brief Get Control Register
99 \details Returns the content of the Control Register.
100 \return Control Register value
102 __attribute__((always_inline)) __STATIC_INLINE uint32_t __get_CONTROL(void)
106 __ASM volatile ("MRS %0, control" : "=r" (result) );
111 #if (defined (__ARM_FEATURE_CMSE ) && (__ARM_FEATURE_CMSE == 3))
113 \brief Get Control Register (non-secure)
114 \details Returns the content of the non-secure Control Register when in secure mode.
115 \return non-secure Control Register value
117 __attribute__((always_inline)) __STATIC_INLINE uint32_t __TZ_get_CONTROL_NS(void)
121 __ASM volatile ("MRS %0, control_ns" : "=r" (result) );
128 \brief Set Control Register
129 \details Writes the given value to the Control Register.
130 \param [in] control Control Register value to set
132 __attribute__((always_inline)) __STATIC_INLINE void __set_CONTROL(uint32_t control)
134 __ASM volatile ("MSR control, %0" : : "r" (control) : "memory");
138 #if (defined (__ARM_FEATURE_CMSE ) && (__ARM_FEATURE_CMSE == 3))
140 \brief Set Control Register (non-secure)
141 \details Writes the given value to the non-secure Control Register when in secure state.
142 \param [in] control Control Register value to set
144 __attribute__((always_inline)) __STATIC_INLINE void __TZ_set_CONTROL_NS(uint32_t control)
146 __ASM volatile ("MSR control_ns, %0" : : "r" (control) : "memory");
152 \brief Get IPSR Register
153 \details Returns the content of the IPSR Register.
154 \return IPSR Register value
156 __attribute__((always_inline)) __STATIC_INLINE uint32_t __get_IPSR(void)
160 __ASM volatile ("MRS %0, ipsr" : "=r" (result) );
166 \brief Get APSR Register
167 \details Returns the content of the APSR Register.
168 \return APSR Register value
170 __attribute__((always_inline)) __STATIC_INLINE uint32_t __get_APSR(void)
174 __ASM volatile ("MRS %0, apsr" : "=r" (result) );
180 \brief Get xPSR Register
181 \details Returns the content of the xPSR Register.
182 \return xPSR Register value
184 __attribute__((always_inline)) __STATIC_INLINE uint32_t __get_xPSR(void)
188 __ASM volatile ("MRS %0, xpsr" : "=r" (result) );
194 \brief Get Process Stack Pointer
195 \details Returns the current value of the Process Stack Pointer (PSP).
196 \return PSP Register value
198 __attribute__((always_inline)) __STATIC_INLINE uint32_t __get_PSP(void)
200 register uint32_t result;
202 __ASM volatile ("MRS %0, psp" : "=r" (result) );
207 #if (defined (__ARM_FEATURE_CMSE ) && (__ARM_FEATURE_CMSE == 3))
209 \brief Get Process Stack Pointer (non-secure)
210 \details Returns the current value of the non-secure Process Stack Pointer (PSP) when in secure state.
211 \return PSP Register value
213 __attribute__((always_inline)) __STATIC_INLINE uint32_t __TZ_get_PSP_NS(void)
215 register uint32_t result;
217 __ASM volatile ("MRS %0, psp_ns" : "=r" (result) );
224 \brief Set Process Stack Pointer
225 \details Assigns the given value to the Process Stack Pointer (PSP).
226 \param [in] topOfProcStack Process Stack Pointer value to set
228 __attribute__((always_inline)) __STATIC_INLINE void __set_PSP(uint32_t topOfProcStack)
230 __ASM volatile ("MSR psp, %0" : : "r" (topOfProcStack) : "sp");
234 #if (defined (__ARM_FEATURE_CMSE ) && (__ARM_FEATURE_CMSE == 3))
236 \brief Set Process Stack Pointer (non-secure)
237 \details Assigns the given value to the non-secure Process Stack Pointer (PSP) when in secure state.
238 \param [in] topOfProcStack Process Stack Pointer value to set
240 __attribute__((always_inline)) __STATIC_INLINE void __TZ_set_PSP_NS(uint32_t topOfProcStack)
242 __ASM volatile ("MSR psp_ns, %0" : : "r" (topOfProcStack) : "sp");
248 \brief Get Main Stack Pointer
249 \details Returns the current value of the Main Stack Pointer (MSP).
250 \return MSP Register value
252 __attribute__((always_inline)) __STATIC_INLINE uint32_t __get_MSP(void)
254 register uint32_t result;
256 __ASM volatile ("MRS %0, msp" : "=r" (result) );
261 #if (defined (__ARM_FEATURE_CMSE ) && (__ARM_FEATURE_CMSE == 3))
263 \brief Get Main Stack Pointer (non-secure)
264 \details Returns the current value of the non-secure Main Stack Pointer (MSP) when in secure state.
265 \return MSP Register value
267 __attribute__((always_inline)) __STATIC_INLINE uint32_t __TZ_get_MSP_NS(void)
269 register uint32_t result;
271 __ASM volatile ("MRS %0, msp_ns" : "=r" (result) );
278 \brief Set Main Stack Pointer
279 \details Assigns the given value to the Main Stack Pointer (MSP).
280 \param [in] topOfMainStack Main Stack Pointer value to set
282 __attribute__((always_inline)) __STATIC_INLINE void __set_MSP(uint32_t topOfMainStack)
284 __ASM volatile ("MSR msp, %0" : : "r" (topOfMainStack) : "sp");
288 #if (defined (__ARM_FEATURE_CMSE ) && (__ARM_FEATURE_CMSE == 3))
290 \brief Set Main Stack Pointer (non-secure)
291 \details Assigns the given value to the non-secure Main Stack Pointer (MSP) when in secure state.
292 \param [in] topOfMainStack Main Stack Pointer value to set
294 __attribute__((always_inline)) __STATIC_INLINE void __TZ_set_MSP_NS(uint32_t topOfMainStack)
296 __ASM volatile ("MSR msp_ns, %0" : : "r" (topOfMainStack) : "sp");
302 \brief Get Priority Mask
303 \details Returns the current state of the priority mask bit from the Priority Mask Register.
304 \return Priority Mask value
306 __attribute__((always_inline)) __STATIC_INLINE uint32_t __get_PRIMASK(void)
310 __ASM volatile ("MRS %0, primask" : "=r" (result) );
315 #if (defined (__ARM_FEATURE_CMSE ) && (__ARM_FEATURE_CMSE == 3))
317 \brief Get Priority Mask (non-secure)
318 \details Returns the current state of the non-secure priority mask bit from the Priority Mask Register when in secure state.
319 \return Priority Mask value
321 __attribute__((always_inline)) __STATIC_INLINE uint32_t __TZ_get_PRIMASK_NS(void)
325 __ASM volatile ("MRS %0, primask_ns" : "=r" (result) );
332 \brief Set Priority Mask
333 \details Assigns the given value to the Priority Mask Register.
334 \param [in] priMask Priority Mask
336 __attribute__((always_inline)) __STATIC_INLINE void __set_PRIMASK(uint32_t priMask)
338 __ASM volatile ("MSR primask, %0" : : "r" (priMask) : "memory");
342 #if (defined (__ARM_FEATURE_CMSE ) && (__ARM_FEATURE_CMSE == 3))
344 \brief Set Priority Mask (non-secure)
345 \details Assigns the given value to the non-secure Priority Mask Register when in secure state.
346 \param [in] priMask Priority Mask
348 __attribute__((always_inline)) __STATIC_INLINE void __TZ_set_PRIMASK_NS(uint32_t priMask)
350 __ASM volatile ("MSR primask_ns, %0" : : "r" (priMask) : "memory");
355 #if ((defined (__ARM_ARCH_7M__ ) && (__ARM_ARCH_7M__ == 1)) || \
356 (defined (__ARM_ARCH_7EM__ ) && (__ARM_ARCH_7EM__ == 1)) || \
357 (defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)) )
360 \details Enables FIQ interrupts by clearing the F-bit in the CPSR.
361 Can only be executed in Privileged modes.
363 __attribute__((always_inline)) __STATIC_INLINE void __enable_fault_irq(void)
365 __ASM volatile ("cpsie f" : : : "memory");
371 \details Disables FIQ interrupts by setting the F-bit in the CPSR.
372 Can only be executed in Privileged modes.
374 __attribute__((always_inline)) __STATIC_INLINE void __disable_fault_irq(void)
376 __ASM volatile ("cpsid f" : : : "memory");
381 \brief Get Base Priority
382 \details Returns the current value of the Base Priority register.
383 \return Base Priority register value
385 __attribute__((always_inline)) __STATIC_INLINE uint32_t __get_BASEPRI(void)
389 __ASM volatile ("MRS %0, basepri" : "=r" (result) );
394 #if (defined (__ARM_FEATURE_CMSE ) && (__ARM_FEATURE_CMSE == 3))
396 \brief Get Base Priority (non-secure)
397 \details Returns the current value of the non-secure Base Priority register when in secure state.
398 \return Base Priority register value
400 __attribute__((always_inline)) __STATIC_INLINE uint32_t __TZ_get_BASEPRI_NS(void)
404 __ASM volatile ("MRS %0, basepri_ns" : "=r" (result) );
411 \brief Set Base Priority
412 \details Assigns the given value to the Base Priority register.
413 \param [in] basePri Base Priority value to set
415 __attribute__((always_inline)) __STATIC_INLINE void __set_BASEPRI(uint32_t basePri)
417 __ASM volatile ("MSR basepri, %0" : : "r" (basePri) : "memory");
421 #if (defined (__ARM_FEATURE_CMSE ) && (__ARM_FEATURE_CMSE == 3))
423 \brief Set Base Priority (non-secure)
424 \details Assigns the given value to the non-secure Base Priority register when in secure state.
425 \param [in] basePri Base Priority value to set
427 __attribute__((always_inline)) __STATIC_INLINE void __TZ_set_BASEPRI_NS(uint32_t basePri)
429 __ASM volatile ("MSR basepri_ns, %0" : : "r" (basePri) : "memory");
435 \brief Set Base Priority with condition
436 \details Assigns the given value to the Base Priority register only if BASEPRI masking is disabled,
437 or the new value increases the BASEPRI priority level.
438 \param [in] basePri Base Priority value to set
440 __attribute__((always_inline)) __STATIC_INLINE void __set_BASEPRI_MAX(uint32_t basePri)
442 __ASM volatile ("MSR basepri_max, %0" : : "r" (basePri) : "memory");
447 \brief Get Fault Mask
448 \details Returns the current value of the Fault Mask register.
449 \return Fault Mask register value
451 __attribute__((always_inline)) __STATIC_INLINE uint32_t __get_FAULTMASK(void)
455 __ASM volatile ("MRS %0, faultmask" : "=r" (result) );
460 #if (defined (__ARM_FEATURE_CMSE ) && (__ARM_FEATURE_CMSE == 3))
462 \brief Get Fault Mask (non-secure)
463 \details Returns the current value of the non-secure Fault Mask register when in secure state.
464 \return Fault Mask register value
466 __attribute__((always_inline)) __STATIC_INLINE uint32_t __TZ_get_FAULTMASK_NS(void)
470 __ASM volatile ("MRS %0, faultmask_ns" : "=r" (result) );
477 \brief Set Fault Mask
478 \details Assigns the given value to the Fault Mask register.
479 \param [in] faultMask Fault Mask value to set
481 __attribute__((always_inline)) __STATIC_INLINE void __set_FAULTMASK(uint32_t faultMask)
483 __ASM volatile ("MSR faultmask, %0" : : "r" (faultMask) : "memory");
487 #if (defined (__ARM_FEATURE_CMSE ) && (__ARM_FEATURE_CMSE == 3))
489 \brief Set Fault Mask (non-secure)
490 \details Assigns the given value to the non-secure Fault Mask register when in secure state.
491 \param [in] faultMask Fault Mask value to set
493 __attribute__((always_inline)) __STATIC_INLINE void __TZ_set_FAULTMASK_NS(uint32_t faultMask)
495 __ASM volatile ("MSR faultmask_ns, %0" : : "r" (faultMask) : "memory");
499 #endif /* ((defined (__ARM_ARCH_7M__ ) && (__ARM_ARCH_7M__ == 1)) || \
500 (defined (__ARM_ARCH_7EM__ ) && (__ARM_ARCH_7EM__ == 1)) || \
501 (defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)) ) */
504 #if ((defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)) || \
505 (defined (__ARM_ARCH_8M_BASE__ ) && (__ARM_ARCH_8M_BASE__ == 1)) )
508 \brief Get Process Stack Pointer Limit
509 \details Returns the current value of the Process Stack Pointer Limit (PSPLIM).
510 \return PSPLIM Register value
512 __attribute__((always_inline)) __STATIC_INLINE uint32_t __get_PSPLIM(void)
514 register uint32_t result;
516 __ASM volatile ("MRS %0, psplim" : "=r" (result) );
521 #if ((defined (__ARM_FEATURE_CMSE ) && (__ARM_FEATURE_CMSE == 3)) && \
522 (defined (__ARM_ARCH_8M_MAIN__) && (__ARM_ARCH_8M_MAIN__ == 1)) )
524 \brief Get Process Stack Pointer Limit (non-secure)
525 \details Returns the current value of the non-secure Process Stack Pointer Limit (PSPLIM) when in secure state.
526 \return PSPLIM Register value
528 __attribute__((always_inline)) __STATIC_INLINE uint32_t __TZ_get_PSPLIM_NS(void)
530 register uint32_t result;
532 __ASM volatile ("MRS %0, psplim_ns" : "=r" (result) );
539 \brief Set Process Stack Pointer Limit
540 \details Assigns the given value to the Process Stack Pointer Limit (PSPLIM).
541 \param [in] ProcStackPtrLimit Process Stack Pointer Limit value to set
543 __attribute__((always_inline)) __STATIC_INLINE void __set_PSPLIM(uint32_t ProcStackPtrLimit)
545 __ASM volatile ("MSR psplim, %0" : : "r" (ProcStackPtrLimit));
549 #if ((defined (__ARM_FEATURE_CMSE ) && (__ARM_FEATURE_CMSE == 3)) && \
550 (defined (__ARM_ARCH_8M_MAIN__) && (__ARM_ARCH_8M_MAIN__ == 1)) )
552 \brief Set Process Stack Pointer (non-secure)
553 \details Assigns the given value to the non-secure Process Stack Pointer Limit (PSPLIM) when in secure state.
554 \param [in] ProcStackPtrLimit Process Stack Pointer Limit value to set
556 __attribute__((always_inline)) __STATIC_INLINE void __TZ_set_PSPLIM_NS(uint32_t ProcStackPtrLimit)
558 __ASM volatile ("MSR psplim_ns, %0\n" : : "r" (ProcStackPtrLimit));
564 \brief Get Main Stack Pointer Limit
565 \details Returns the current value of the Main Stack Pointer Limit (MSPLIM).
566 \return MSPLIM Register value
568 __attribute__((always_inline)) __STATIC_INLINE uint32_t __get_MSPLIM(void)
570 register uint32_t result;
572 __ASM volatile ("MRS %0, msplim" : "=r" (result) );
578 #if ((defined (__ARM_FEATURE_CMSE ) && (__ARM_FEATURE_CMSE == 3)) && \
579 (defined (__ARM_ARCH_8M_MAIN__) && (__ARM_ARCH_8M_MAIN__ == 1)) )
581 \brief Get Main Stack Pointer Limit (non-secure)
582 \details Returns the current value of the non-secure Main Stack Pointer Limit(MSPLIM) when in secure state.
583 \return MSPLIM Register value
585 __attribute__((always_inline)) __STATIC_INLINE uint32_t __TZ_get_MSPLIM_NS(void)
587 register uint32_t result;
589 __ASM volatile ("MRS %0, msplim_ns" : "=r" (result) );
596 \brief Set Main Stack Pointer Limit
597 \details Assigns the given value to the Main Stack Pointer Limit (MSPLIM).
598 \param [in] MainStackPtrLimit Main Stack Pointer Limit value to set
600 __attribute__((always_inline)) __STATIC_INLINE void __set_MSPLIM(uint32_t MainStackPtrLimit)
602 __ASM volatile ("MSR msplim, %0" : : "r" (MainStackPtrLimit));
606 #if ((defined (__ARM_FEATURE_CMSE ) && (__ARM_FEATURE_CMSE == 3)) && \
607 (defined (__ARM_ARCH_8M_MAIN__) && (__ARM_ARCH_8M_MAIN__ == 1)) )
609 \brief Set Main Stack Pointer Limit (non-secure)
610 \details Assigns the given value to the non-secure Main Stack Pointer Limit (MSPLIM) when in secure state.
611 \param [in] MainStackPtrLimit Main Stack Pointer value to set
613 __attribute__((always_inline)) __STATIC_INLINE void __TZ_set_MSPLIM_NS(uint32_t MainStackPtrLimit)
615 __ASM volatile ("MSR msplim_ns, %0" : : "r" (MainStackPtrLimit));
619 #endif /* ((defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)) || \
620 (defined (__ARM_ARCH_8M_BASE__ ) && (__ARM_ARCH_8M_BASE__ == 1)) ) */
623 #if ((defined (__ARM_ARCH_7EM__ ) && (__ARM_ARCH_7EM__ == 1)) || \
624 (defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)) )
628 \details Returns the current value of the Floating Point Status/Control register.
629 \return Floating Point Status/Control register value
631 __attribute__((always_inline)) __STATIC_INLINE uint32_t __get_FPSCR(void)
633 #if ((defined (__FPU_PRESENT) && (__FPU_PRESENT == 1U)) && \
634 (defined (__FPU_USED ) && (__FPU_USED == 1U)) )
637 __ASM volatile ("VMRS %0, fpscr" : "=r" (result) );
647 \details Assigns the given value to the Floating Point Status/Control register.
648 \param [in] fpscr Floating Point Status/Control value to set
650 __attribute__((always_inline)) __STATIC_INLINE void __set_FPSCR(uint32_t fpscr)
652 #if ((defined (__FPU_PRESENT) && (__FPU_PRESENT == 1U)) && \
653 (defined (__FPU_USED ) && (__FPU_USED == 1U)) )
654 __ASM volatile ("VMSR fpscr, %0" : : "r" (fpscr) : "vfpcc", "memory");
660 #endif /* ((defined (__ARM_ARCH_7EM__ ) && (__ARM_ARCH_7EM__ == 1)) || \
661 (defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)) ) */
665 /*@} end of CMSIS_Core_RegAccFunctions */
668 /* ########################## Core Instruction Access ######################### */
669 /** \defgroup CMSIS_Core_InstructionInterface CMSIS Core Instruction Interface
670 Access to dedicated instructions
674 /* Define macros for porting to both thumb1 and thumb2.
675 * For thumb1, use low register (r0-r7), specified by constraint "l"
676 * Otherwise, use general registers, specified by constraint "r" */
677 #if defined (__thumb__) && !defined (__thumb2__)
678 #define __CMSIS_GCC_OUT_REG(r) "=l" (r)
679 #define __CMSIS_GCC_RW_REG(r) "+l" (r)
680 #define __CMSIS_GCC_USE_REG(r) "l" (r)
682 #define __CMSIS_GCC_OUT_REG(r) "=r" (r)
683 #define __CMSIS_GCC_RW_REG(r) "+r" (r)
684 #define __CMSIS_GCC_USE_REG(r) "r" (r)
689 \details No Operation does nothing. This instruction can be used for code alignment purposes.
691 //__attribute__((always_inline)) __STATIC_INLINE void __NOP(void)
693 // __ASM volatile ("nop");
695 #define __NOP() __ASM volatile ("nop") /* This implementation generates debug information */
698 \brief Wait For Interrupt
699 \details Wait For Interrupt is a hint instruction that suspends execution until one of a number of events occurs.
701 //__attribute__((always_inline)) __STATIC_INLINE void __WFI(void)
703 // __ASM volatile ("wfi");
705 #define __WFI() __ASM volatile ("wfi") /* This implementation generates debug information */
709 \brief Wait For Event
710 \details Wait For Event is a hint instruction that permits the processor to enter
711 a low-power state until one of a number of events occurs.
713 //__attribute__((always_inline)) __STATIC_INLINE void __WFE(void)
715 // __ASM volatile ("wfe");
717 #define __WFE() __ASM volatile ("wfe") /* This implementation generates debug information */
722 \details Send Event is a hint instruction. It causes an event to be signaled to the CPU.
724 //__attribute__((always_inline)) __STATIC_INLINE void __SEV(void)
726 // __ASM volatile ("sev");
728 #define __SEV() __ASM volatile ("sev") /* This implementation generates debug information */
732 \brief Instruction Synchronization Barrier
733 \details Instruction Synchronization Barrier flushes the pipeline in the processor,
734 so that all instructions following the ISB are fetched from cache or memory,
735 after the instruction has been completed.
737 __attribute__((always_inline)) __STATIC_INLINE void __ISB(void)
739 __ASM volatile ("isb 0xF":::"memory");
744 \brief Data Synchronization Barrier
745 \details Acts as a special kind of Data Memory Barrier.
746 It completes when all explicit memory accesses before this instruction complete.
748 __attribute__((always_inline)) __STATIC_INLINE void __DSB(void)
750 __ASM volatile ("dsb 0xF":::"memory");
755 \brief Data Memory Barrier
756 \details Ensures the apparent order of the explicit memory operations before
757 and after the instruction, without ensuring their completion.
759 __attribute__((always_inline)) __STATIC_INLINE void __DMB(void)
761 __ASM volatile ("dmb 0xF":::"memory");
766 \brief Reverse byte order (32 bit)
767 \details Reverses the byte order in integer value.
768 \param [in] value Value to reverse
769 \return Reversed value
771 __attribute__((always_inline)) __STATIC_INLINE uint32_t __REV(uint32_t value)
773 #if (__GNUC__ > 4) || (__GNUC__ == 4 && __GNUC_MINOR__ >= 5)
774 return __builtin_bswap32(value);
778 __ASM volatile ("rev %0, %1" : __CMSIS_GCC_OUT_REG (result) : __CMSIS_GCC_USE_REG (value) );
785 \brief Reverse byte order (16 bit)
786 \details Reverses the byte order in two unsigned short values.
787 \param [in] value Value to reverse
788 \return Reversed value
790 __attribute__((always_inline)) __STATIC_INLINE uint32_t __REV16(uint32_t value)
794 __ASM volatile ("rev16 %0, %1" : __CMSIS_GCC_OUT_REG (result) : __CMSIS_GCC_USE_REG (value) );
800 \brief Reverse byte order in signed short value
801 \details Reverses the byte order in a signed short value with sign extension to integer.
802 \param [in] value Value to reverse
803 \return Reversed value
805 __attribute__((always_inline)) __STATIC_INLINE int32_t __REVSH(int32_t value)
807 #if (__GNUC__ > 4) || (__GNUC__ == 4 && __GNUC_MINOR__ >= 8)
808 return (short)__builtin_bswap16(value);
812 __ASM volatile ("revsh %0, %1" : __CMSIS_GCC_OUT_REG (result) : __CMSIS_GCC_USE_REG (value) );
819 \brief Rotate Right in unsigned value (32 bit)
820 \details Rotate Right (immediate) provides the value of the contents of a register rotated by a variable number of bits.
821 \param [in] op1 Value to rotate
822 \param [in] op2 Number of Bits to rotate
823 \return Rotated value
825 __attribute__((always_inline)) __STATIC_INLINE uint32_t __ROR(uint32_t op1, uint32_t op2)
827 return (op1 >> op2) | (op1 << (32U - op2));
833 \details Causes the processor to enter Debug state.
834 Debug tools can use this to investigate system state when the instruction at a particular address is reached.
835 \param [in] value is ignored by the processor.
836 If required, a debugger can use it to store additional information about the breakpoint.
838 #define __BKPT(value) __ASM volatile ("bkpt "#value)
842 \brief Reverse bit order of value
843 \details Reverses the bit order of the given value.
844 \param [in] value Value to reverse
845 \return Reversed value
847 __attribute__((always_inline)) __STATIC_INLINE uint32_t __RBIT(uint32_t value)
851 #if ((defined (__ARM_ARCH_7M__ ) && (__ARM_ARCH_7M__ == 1)) || \
852 (defined (__ARM_ARCH_7EM__ ) && (__ARM_ARCH_7EM__ == 1)) || \
853 (defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)) )
854 __ASM volatile ("rbit %0, %1" : "=r" (result) : "r" (value) );
856 int32_t s = (4 /*sizeof(v)*/ * 8) - 1; /* extra shift needed at end */
858 result = value; /* r will be reversed bits of v; first get LSB of v */
859 for (value >>= 1U; value; value >>= 1U)
862 result |= value & 1U;
865 result <<= s; /* shift when v's highest bits are zero */
872 \brief Count leading zeros
873 \details Counts the number of leading zeros of a data value.
874 \param [in] value Value to count the leading zeros
875 \return number of leading zeros in value
877 #define __CLZ __builtin_clz
880 #if ((defined (__ARM_ARCH_7M__ ) && (__ARM_ARCH_7M__ == 1)) || \
881 (defined (__ARM_ARCH_7EM__ ) && (__ARM_ARCH_7EM__ == 1)) || \
882 (defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)) || \
883 (defined (__ARM_ARCH_8M_BASE__ ) && (__ARM_ARCH_8M_BASE__ == 1)) )
885 \brief LDR Exclusive (8 bit)
886 \details Executes a exclusive LDR instruction for 8 bit value.
887 \param [in] ptr Pointer to data
888 \return value of type uint8_t at (*ptr)
890 __attribute__((always_inline)) __STATIC_INLINE uint8_t __LDREXB(volatile uint8_t *addr)
894 #if (__GNUC__ > 4) || (__GNUC__ == 4 && __GNUC_MINOR__ >= 8)
895 __ASM volatile ("ldrexb %0, %1" : "=r" (result) : "Q" (*addr) );
897 /* Prior to GCC 4.8, "Q" will be expanded to [rx, #0] which is not
898 accepted by assembler. So has to use following less efficient pattern.
900 __ASM volatile ("ldrexb %0, [%1]" : "=r" (result) : "r" (addr) : "memory" );
902 return ((uint8_t) result); /* Add explicit type cast here */
907 \brief LDR Exclusive (16 bit)
908 \details Executes a exclusive LDR instruction for 16 bit values.
909 \param [in] ptr Pointer to data
910 \return value of type uint16_t at (*ptr)
912 __attribute__((always_inline)) __STATIC_INLINE uint16_t __LDREXH(volatile uint16_t *addr)
916 #if (__GNUC__ > 4) || (__GNUC__ == 4 && __GNUC_MINOR__ >= 8)
917 __ASM volatile ("ldrexh %0, %1" : "=r" (result) : "Q" (*addr) );
919 /* Prior to GCC 4.8, "Q" will be expanded to [rx, #0] which is not
920 accepted by assembler. So has to use following less efficient pattern.
922 __ASM volatile ("ldrexh %0, [%1]" : "=r" (result) : "r" (addr) : "memory" );
924 return ((uint16_t) result); /* Add explicit type cast here */
929 \brief LDR Exclusive (32 bit)
930 \details Executes a exclusive LDR instruction for 32 bit values.
931 \param [in] ptr Pointer to data
932 \return value of type uint32_t at (*ptr)
934 __attribute__((always_inline)) __STATIC_INLINE uint32_t __LDREXW(volatile uint32_t *addr)
938 __ASM volatile ("ldrex %0, %1" : "=r" (result) : "Q" (*addr) );
944 \brief STR Exclusive (8 bit)
945 \details Executes a exclusive STR instruction for 8 bit values.
946 \param [in] value Value to store
947 \param [in] ptr Pointer to location
948 \return 0 Function succeeded
949 \return 1 Function failed
951 __attribute__((always_inline)) __STATIC_INLINE uint32_t __STREXB(uint8_t value, volatile uint8_t *addr)
955 __ASM volatile ("strexb %0, %2, %1" : "=&r" (result), "=Q" (*addr) : "r" ((uint32_t)value) );
961 \brief STR Exclusive (16 bit)
962 \details Executes a exclusive STR instruction for 16 bit values.
963 \param [in] value Value to store
964 \param [in] ptr Pointer to location
965 \return 0 Function succeeded
966 \return 1 Function failed
968 __attribute__((always_inline)) __STATIC_INLINE uint32_t __STREXH(uint16_t value, volatile uint16_t *addr)
972 __ASM volatile ("strexh %0, %2, %1" : "=&r" (result), "=Q" (*addr) : "r" ((uint32_t)value) );
978 \brief STR Exclusive (32 bit)
979 \details Executes a exclusive STR instruction for 32 bit values.
980 \param [in] value Value to store
981 \param [in] ptr Pointer to location
982 \return 0 Function succeeded
983 \return 1 Function failed
985 __attribute__((always_inline)) __STATIC_INLINE uint32_t __STREXW(uint32_t value, volatile uint32_t *addr)
989 __ASM volatile ("strex %0, %2, %1" : "=&r" (result), "=Q" (*addr) : "r" (value) );
995 \brief Remove the exclusive lock
996 \details Removes the exclusive lock which is created by LDREX.
998 __attribute__((always_inline)) __STATIC_INLINE void __CLREX(void)
1000 __ASM volatile ("clrex" ::: "memory");
1003 #endif /* ((defined (__ARM_ARCH_7M__ ) && (__ARM_ARCH_7M__ == 1)) || \
1004 (defined (__ARM_ARCH_7EM__ ) && (__ARM_ARCH_7EM__ == 1)) || \
1005 (defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)) || \
1006 (defined (__ARM_ARCH_8M_BASE__ ) && (__ARM_ARCH_8M_BASE__ == 1)) ) */
1009 #if ((defined (__ARM_ARCH_7M__ ) && (__ARM_ARCH_7M__ == 1)) || \
1010 (defined (__ARM_ARCH_7EM__ ) && (__ARM_ARCH_7EM__ == 1)) || \
1011 (defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)) )
1013 \brief Signed Saturate
1014 \details Saturates a signed value.
1015 \param [in] value Value to be saturated
1016 \param [in] sat Bit position to saturate to (1..32)
1017 \return Saturated value
1019 #define __SSAT(ARG1,ARG2) \
1021 int32_t __RES, __ARG1 = (ARG1); \
1022 __ASM ("ssat %0, %1, %2" : "=r" (__RES) : "I" (ARG2), "r" (__ARG1) ); \
1028 \brief Unsigned Saturate
1029 \details Saturates an unsigned value.
1030 \param [in] value Value to be saturated
1031 \param [in] sat Bit position to saturate to (0..31)
1032 \return Saturated value
1034 #define __USAT(ARG1,ARG2) \
1036 uint32_t __RES, __ARG1 = (ARG1); \
1037 __ASM ("usat %0, %1, %2" : "=r" (__RES) : "I" (ARG2), "r" (__ARG1) ); \
1043 \brief Rotate Right with Extend (32 bit)
1044 \details Moves each bit of a bitstring right by one bit.
1045 The carry input is shifted in at the left end of the bitstring.
1046 \param [in] value Value to rotate
1047 \return Rotated value
1049 __attribute__((always_inline)) __STATIC_INLINE uint32_t __RRX(uint32_t value)
1053 __ASM volatile ("rrx %0, %1" : __CMSIS_GCC_OUT_REG (result) : __CMSIS_GCC_USE_REG (value) );
1059 \brief LDRT Unprivileged (8 bit)
1060 \details Executes a Unprivileged LDRT instruction for 8 bit value.
1061 \param [in] ptr Pointer to data
1062 \return value of type uint8_t at (*ptr)
1064 __attribute__((always_inline)) __STATIC_INLINE uint8_t __LDRBT(volatile uint8_t *ptr)
1068 #if (__GNUC__ > 4) || (__GNUC__ == 4 && __GNUC_MINOR__ >= 8)
1069 __ASM volatile ("ldrbt %0, %1" : "=r" (result) : "Q" (*ptr) );
1071 /* Prior to GCC 4.8, "Q" will be expanded to [rx, #0] which is not
1072 accepted by assembler. So has to use following less efficient pattern.
1074 __ASM volatile ("ldrbt %0, [%1]" : "=r" (result) : "r" (ptr) : "memory" );
1076 return ((uint8_t) result); /* Add explicit type cast here */
1081 \brief LDRT Unprivileged (16 bit)
1082 \details Executes a Unprivileged LDRT instruction for 16 bit values.
1083 \param [in] ptr Pointer to data
1084 \return value of type uint16_t at (*ptr)
1086 __attribute__((always_inline)) __STATIC_INLINE uint16_t __LDRHT(volatile uint16_t *ptr)
1090 #if (__GNUC__ > 4) || (__GNUC__ == 4 && __GNUC_MINOR__ >= 8)
1091 __ASM volatile ("ldrht %0, %1" : "=r" (result) : "Q" (*ptr) );
1093 /* Prior to GCC 4.8, "Q" will be expanded to [rx, #0] which is not
1094 accepted by assembler. So has to use following less efficient pattern.
1096 __ASM volatile ("ldrht %0, [%1]" : "=r" (result) : "r" (ptr) : "memory" );
1098 return ((uint16_t) result); /* Add explicit type cast here */
1103 \brief LDRT Unprivileged (32 bit)
1104 \details Executes a Unprivileged LDRT instruction for 32 bit values.
1105 \param [in] ptr Pointer to data
1106 \return value of type uint32_t at (*ptr)
1108 __attribute__((always_inline)) __STATIC_INLINE uint32_t __LDRT(volatile uint32_t *ptr)
1112 __ASM volatile ("ldrt %0, %1" : "=r" (result) : "Q" (*ptr) );
1118 \brief STRT Unprivileged (8 bit)
1119 \details Executes a Unprivileged STRT instruction for 8 bit values.
1120 \param [in] value Value to store
1121 \param [in] ptr Pointer to location
1123 __attribute__((always_inline)) __STATIC_INLINE void __STRBT(uint8_t value, volatile uint8_t *ptr)
1125 __ASM volatile ("strbt %1, %0" : "=Q" (*ptr) : "r" ((uint32_t)value) );
1130 \brief STRT Unprivileged (16 bit)
1131 \details Executes a Unprivileged STRT instruction for 16 bit values.
1132 \param [in] value Value to store
1133 \param [in] ptr Pointer to location
1135 __attribute__((always_inline)) __STATIC_INLINE void __STRHT(uint16_t value, volatile uint16_t *ptr)
1137 __ASM volatile ("strht %1, %0" : "=Q" (*ptr) : "r" ((uint32_t)value) );
1142 \brief STRT Unprivileged (32 bit)
1143 \details Executes a Unprivileged STRT instruction for 32 bit values.
1144 \param [in] value Value to store
1145 \param [in] ptr Pointer to location
1147 __attribute__((always_inline)) __STATIC_INLINE void __STRT(uint32_t value, volatile uint32_t *ptr)
1149 __ASM volatile ("strt %1, %0" : "=Q" (*ptr) : "r" (value) );
1152 #endif /* ((defined (__ARM_ARCH_7M__ ) && (__ARM_ARCH_7M__ == 1)) || \
1153 (defined (__ARM_ARCH_7EM__ ) && (__ARM_ARCH_7EM__ == 1)) || \
1154 (defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)) ) */
1157 #if ((defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)) || \
1158 (defined (__ARM_ARCH_8M_BASE__ ) && (__ARM_ARCH_8M_BASE__ == 1)) )
1160 \brief Load-Acquire (8 bit)
1161 \details Executes a LDAB instruction for 8 bit value.
1162 \param [in] ptr Pointer to data
1163 \return value of type uint8_t at (*ptr)
1165 __attribute__((always_inline)) __STATIC_INLINE uint8_t __LDAB(volatile uint8_t *ptr)
1169 __ASM volatile ("ldab %0, %1" : "=r" (result) : "Q" (*ptr) );
1170 return ((uint8_t) result);
1175 \brief Load-Acquire (16 bit)
1176 \details Executes a LDAH instruction for 16 bit values.
1177 \param [in] ptr Pointer to data
1178 \return value of type uint16_t at (*ptr)
1180 __attribute__((always_inline)) __STATIC_INLINE uint16_t __LDAH(volatile uint16_t *ptr)
1184 __ASM volatile ("ldah %0, %1" : "=r" (result) : "Q" (*ptr) );
1185 return ((uint16_t) result);
1190 \brief Load-Acquire (32 bit)
1191 \details Executes a LDA instruction for 32 bit values.
1192 \param [in] ptr Pointer to data
1193 \return value of type uint32_t at (*ptr)
1195 __attribute__((always_inline)) __STATIC_INLINE uint32_t __LDA(volatile uint32_t *ptr)
1199 __ASM volatile ("lda %0, %1" : "=r" (result) : "Q" (*ptr) );
1205 \brief Store-Release (8 bit)
1206 \details Executes a STLB instruction for 8 bit values.
1207 \param [in] value Value to store
1208 \param [in] ptr Pointer to location
1210 __attribute__((always_inline)) __STATIC_INLINE void __STLB(uint8_t value, volatile uint8_t *ptr)
1212 __ASM volatile ("stlb %1, %0" : "=Q" (*ptr) : "r" ((uint32_t)value) );
1217 \brief Store-Release (16 bit)
1218 \details Executes a STLH instruction for 16 bit values.
1219 \param [in] value Value to store
1220 \param [in] ptr Pointer to location
1222 __attribute__((always_inline)) __STATIC_INLINE void __STLH(uint16_t value, volatile uint16_t *ptr)
1224 __ASM volatile ("stlh %1, %0" : "=Q" (*ptr) : "r" ((uint32_t)value) );
1229 \brief Store-Release (32 bit)
1230 \details Executes a STL instruction for 32 bit values.
1231 \param [in] value Value to store
1232 \param [in] ptr Pointer to location
1234 __attribute__((always_inline)) __STATIC_INLINE void __STL(uint32_t value, volatile uint32_t *ptr)
1236 __ASM volatile ("stl %1, %0" : "=Q" (*ptr) : "r" ((uint32_t)value) );
1241 \brief Load-Acquire Exclusive (8 bit)
1242 \details Executes a LDAB exclusive instruction for 8 bit value.
1243 \param [in] ptr Pointer to data
1244 \return value of type uint8_t at (*ptr)
1246 __attribute__((always_inline)) __STATIC_INLINE uint8_t __LDAEXB(volatile uint8_t *ptr)
1250 __ASM volatile ("ldaexb %0, %1" : "=r" (result) : "Q" (*ptr) );
1251 return ((uint8_t) result);
1256 \brief Load-Acquire Exclusive (16 bit)
1257 \details Executes a LDAH exclusive instruction for 16 bit values.
1258 \param [in] ptr Pointer to data
1259 \return value of type uint16_t at (*ptr)
1261 __attribute__((always_inline)) __STATIC_INLINE uint16_t __LDAEXH(volatile uint16_t *ptr)
1265 __ASM volatile ("ldaexh %0, %1" : "=r" (result) : "Q" (*ptr) );
1266 return ((uint16_t) result);
1271 \brief Load-Acquire Exclusive (32 bit)
1272 \details Executes a LDA exclusive instruction for 32 bit values.
1273 \param [in] ptr Pointer to data
1274 \return value of type uint32_t at (*ptr)
1276 __attribute__((always_inline)) __STATIC_INLINE uint32_t __LDAEX(volatile uint32_t *ptr)
1280 __ASM volatile ("ldaex %0, %1" : "=r" (result) : "Q" (*ptr) );
1286 \brief Store-Release Exclusive (8 bit)
1287 \details Executes a STLB exclusive instruction for 8 bit values.
1288 \param [in] value Value to store
1289 \param [in] ptr Pointer to location
1290 \return 0 Function succeeded
1291 \return 1 Function failed
1293 __attribute__((always_inline)) __STATIC_INLINE uint32_t __STLEXB(uint8_t value, volatile uint8_t *ptr)
1297 __ASM volatile ("stlexb %0, %2, %1" : "=&r" (result), "=Q" (*ptr) : "r" ((uint32_t)value) );
1303 \brief Store-Release Exclusive (16 bit)
1304 \details Executes a STLH exclusive instruction for 16 bit values.
1305 \param [in] value Value to store
1306 \param [in] ptr Pointer to location
1307 \return 0 Function succeeded
1308 \return 1 Function failed
1310 __attribute__((always_inline)) __STATIC_INLINE uint32_t __STLEXH(uint16_t value, volatile uint16_t *ptr)
1314 __ASM volatile ("stlexh %0, %2, %1" : "=&r" (result), "=Q" (*ptr) : "r" ((uint32_t)value) );
1320 \brief Store-Release Exclusive (32 bit)
1321 \details Executes a STL exclusive instruction for 32 bit values.
1322 \param [in] value Value to store
1323 \param [in] ptr Pointer to location
1324 \return 0 Function succeeded
1325 \return 1 Function failed
1327 __attribute__((always_inline)) __STATIC_INLINE uint32_t __STLEX(uint32_t value, volatile uint32_t *ptr)
1331 __ASM volatile ("stlex %0, %2, %1" : "=&r" (result), "=Q" (*ptr) : "r" ((uint32_t)value) );
1335 #endif /* ((defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)) || \
1336 (defined (__ARM_ARCH_8M_BASE__ ) && (__ARM_ARCH_8M_BASE__ == 1)) ) */
1338 /*@}*/ /* end of group CMSIS_Core_InstructionInterface */
1341 /* ################### Compiler specific Intrinsics ########################### */
1342 /** \defgroup CMSIS_SIMD_intrinsics CMSIS SIMD Intrinsics
1343 Access to dedicated SIMD instructions
1347 #if (__ARM_FEATURE_DSP == 1) /* ToDo ARMCLANG: This should be ARCH >= ARMv7-M + SIMD */
1349 __attribute__((always_inline)) __STATIC_INLINE uint32_t __SADD8(uint32_t op1, uint32_t op2)
1353 __ASM volatile ("sadd8 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1357 __attribute__((always_inline)) __STATIC_INLINE uint32_t __QADD8(uint32_t op1, uint32_t op2)
1361 __ASM volatile ("qadd8 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1365 __attribute__((always_inline)) __STATIC_INLINE uint32_t __SHADD8(uint32_t op1, uint32_t op2)
1369 __ASM volatile ("shadd8 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1373 __attribute__((always_inline)) __STATIC_INLINE uint32_t __UADD8(uint32_t op1, uint32_t op2)
1377 __ASM volatile ("uadd8 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1381 __attribute__((always_inline)) __STATIC_INLINE uint32_t __UQADD8(uint32_t op1, uint32_t op2)
1385 __ASM volatile ("uqadd8 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1389 __attribute__((always_inline)) __STATIC_INLINE uint32_t __UHADD8(uint32_t op1, uint32_t op2)
1393 __ASM volatile ("uhadd8 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1398 __attribute__((always_inline)) __STATIC_INLINE uint32_t __SSUB8(uint32_t op1, uint32_t op2)
1402 __ASM volatile ("ssub8 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1406 __attribute__((always_inline)) __STATIC_INLINE uint32_t __QSUB8(uint32_t op1, uint32_t op2)
1410 __ASM volatile ("qsub8 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1414 __attribute__((always_inline)) __STATIC_INLINE uint32_t __SHSUB8(uint32_t op1, uint32_t op2)
1418 __ASM volatile ("shsub8 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1422 __attribute__((always_inline)) __STATIC_INLINE uint32_t __USUB8(uint32_t op1, uint32_t op2)
1426 __ASM volatile ("usub8 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1430 __attribute__((always_inline)) __STATIC_INLINE uint32_t __UQSUB8(uint32_t op1, uint32_t op2)
1434 __ASM volatile ("uqsub8 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1438 __attribute__((always_inline)) __STATIC_INLINE uint32_t __UHSUB8(uint32_t op1, uint32_t op2)
1442 __ASM volatile ("uhsub8 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1447 __attribute__((always_inline)) __STATIC_INLINE uint32_t __SADD16(uint32_t op1, uint32_t op2)
1451 __ASM volatile ("sadd16 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1455 __attribute__((always_inline)) __STATIC_INLINE uint32_t __QADD16(uint32_t op1, uint32_t op2)
1459 __ASM volatile ("qadd16 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1463 __attribute__((always_inline)) __STATIC_INLINE uint32_t __SHADD16(uint32_t op1, uint32_t op2)
1467 __ASM volatile ("shadd16 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1471 __attribute__((always_inline)) __STATIC_INLINE uint32_t __UADD16(uint32_t op1, uint32_t op2)
1475 __ASM volatile ("uadd16 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1479 __attribute__((always_inline)) __STATIC_INLINE uint32_t __UQADD16(uint32_t op1, uint32_t op2)
1483 __ASM volatile ("uqadd16 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1487 __attribute__((always_inline)) __STATIC_INLINE uint32_t __UHADD16(uint32_t op1, uint32_t op2)
1491 __ASM volatile ("uhadd16 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1495 __attribute__((always_inline)) __STATIC_INLINE uint32_t __SSUB16(uint32_t op1, uint32_t op2)
1499 __ASM volatile ("ssub16 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1503 __attribute__((always_inline)) __STATIC_INLINE uint32_t __QSUB16(uint32_t op1, uint32_t op2)
1507 __ASM volatile ("qsub16 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1511 __attribute__((always_inline)) __STATIC_INLINE uint32_t __SHSUB16(uint32_t op1, uint32_t op2)
1515 __ASM volatile ("shsub16 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1519 __attribute__((always_inline)) __STATIC_INLINE uint32_t __USUB16(uint32_t op1, uint32_t op2)
1523 __ASM volatile ("usub16 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1527 __attribute__((always_inline)) __STATIC_INLINE uint32_t __UQSUB16(uint32_t op1, uint32_t op2)
1531 __ASM volatile ("uqsub16 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1535 __attribute__((always_inline)) __STATIC_INLINE uint32_t __UHSUB16(uint32_t op1, uint32_t op2)
1539 __ASM volatile ("uhsub16 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1543 __attribute__((always_inline)) __STATIC_INLINE uint32_t __SASX(uint32_t op1, uint32_t op2)
1547 __ASM volatile ("sasx %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1551 __attribute__((always_inline)) __STATIC_INLINE uint32_t __QASX(uint32_t op1, uint32_t op2)
1555 __ASM volatile ("qasx %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1559 __attribute__((always_inline)) __STATIC_INLINE uint32_t __SHASX(uint32_t op1, uint32_t op2)
1563 __ASM volatile ("shasx %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1567 __attribute__((always_inline)) __STATIC_INLINE uint32_t __UASX(uint32_t op1, uint32_t op2)
1571 __ASM volatile ("uasx %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1575 __attribute__((always_inline)) __STATIC_INLINE uint32_t __UQASX(uint32_t op1, uint32_t op2)
1579 __ASM volatile ("uqasx %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1583 __attribute__((always_inline)) __STATIC_INLINE uint32_t __UHASX(uint32_t op1, uint32_t op2)
1587 __ASM volatile ("uhasx %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1591 __attribute__((always_inline)) __STATIC_INLINE uint32_t __SSAX(uint32_t op1, uint32_t op2)
1595 __ASM volatile ("ssax %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1599 __attribute__((always_inline)) __STATIC_INLINE uint32_t __QSAX(uint32_t op1, uint32_t op2)
1603 __ASM volatile ("qsax %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1607 __attribute__((always_inline)) __STATIC_INLINE uint32_t __SHSAX(uint32_t op1, uint32_t op2)
1611 __ASM volatile ("shsax %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1615 __attribute__((always_inline)) __STATIC_INLINE uint32_t __USAX(uint32_t op1, uint32_t op2)
1619 __ASM volatile ("usax %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1623 __attribute__((always_inline)) __STATIC_INLINE uint32_t __UQSAX(uint32_t op1, uint32_t op2)
1627 __ASM volatile ("uqsax %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1631 __attribute__((always_inline)) __STATIC_INLINE uint32_t __UHSAX(uint32_t op1, uint32_t op2)
1635 __ASM volatile ("uhsax %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1639 __attribute__((always_inline)) __STATIC_INLINE uint32_t __USAD8(uint32_t op1, uint32_t op2)
1643 __ASM volatile ("usad8 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1647 __attribute__((always_inline)) __STATIC_INLINE uint32_t __USADA8(uint32_t op1, uint32_t op2, uint32_t op3)
1651 __ASM volatile ("usada8 %0, %1, %2, %3" : "=r" (result) : "r" (op1), "r" (op2), "r" (op3) );
1655 #define __SSAT16(ARG1,ARG2) \
1657 int32_t __RES, __ARG1 = (ARG1); \
1658 __ASM ("ssat16 %0, %1, %2" : "=r" (__RES) : "I" (ARG2), "r" (__ARG1) ); \
1662 #define __USAT16(ARG1,ARG2) \
1664 uint32_t __RES, __ARG1 = (ARG1); \
1665 __ASM ("usat16 %0, %1, %2" : "=r" (__RES) : "I" (ARG2), "r" (__ARG1) ); \
1669 __attribute__((always_inline)) __STATIC_INLINE uint32_t __UXTB16(uint32_t op1)
1673 __ASM volatile ("uxtb16 %0, %1" : "=r" (result) : "r" (op1));
1677 __attribute__((always_inline)) __STATIC_INLINE uint32_t __UXTAB16(uint32_t op1, uint32_t op2)
1681 __ASM volatile ("uxtab16 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1685 __attribute__((always_inline)) __STATIC_INLINE uint32_t __SXTB16(uint32_t op1)
1689 __ASM volatile ("sxtb16 %0, %1" : "=r" (result) : "r" (op1));
1693 __attribute__((always_inline)) __STATIC_INLINE uint32_t __SXTAB16(uint32_t op1, uint32_t op2)
1697 __ASM volatile ("sxtab16 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1701 __attribute__((always_inline)) __STATIC_INLINE uint32_t __SMUAD (uint32_t op1, uint32_t op2)
1705 __ASM volatile ("smuad %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1709 __attribute__((always_inline)) __STATIC_INLINE uint32_t __SMUADX (uint32_t op1, uint32_t op2)
1713 __ASM volatile ("smuadx %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1717 __attribute__((always_inline)) __STATIC_INLINE uint32_t __SMLAD (uint32_t op1, uint32_t op2, uint32_t op3)
1721 __ASM volatile ("smlad %0, %1, %2, %3" : "=r" (result) : "r" (op1), "r" (op2), "r" (op3) );
1725 __attribute__((always_inline)) __STATIC_INLINE uint32_t __SMLADX (uint32_t op1, uint32_t op2, uint32_t op3)
1729 __ASM volatile ("smladx %0, %1, %2, %3" : "=r" (result) : "r" (op1), "r" (op2), "r" (op3) );
1733 __attribute__((always_inline)) __STATIC_INLINE uint64_t __SMLALD (uint32_t op1, uint32_t op2, uint64_t acc)
1741 #ifndef __ARMEB__ /* Little endian */
1742 __ASM volatile ("smlald %0, %1, %2, %3" : "=r" (llr.w32[0]), "=r" (llr.w32[1]): "r" (op1), "r" (op2) , "0" (llr.w32[0]), "1" (llr.w32[1]) );
1743 #else /* Big endian */
1744 __ASM volatile ("smlald %0, %1, %2, %3" : "=r" (llr.w32[1]), "=r" (llr.w32[0]): "r" (op1), "r" (op2) , "0" (llr.w32[1]), "1" (llr.w32[0]) );
1750 __attribute__((always_inline)) __STATIC_INLINE uint64_t __SMLALDX (uint32_t op1, uint32_t op2, uint64_t acc)
1758 #ifndef __ARMEB__ /* Little endian */
1759 __ASM volatile ("smlaldx %0, %1, %2, %3" : "=r" (llr.w32[0]), "=r" (llr.w32[1]): "r" (op1), "r" (op2) , "0" (llr.w32[0]), "1" (llr.w32[1]) );
1760 #else /* Big endian */
1761 __ASM volatile ("smlaldx %0, %1, %2, %3" : "=r" (llr.w32[1]), "=r" (llr.w32[0]): "r" (op1), "r" (op2) , "0" (llr.w32[1]), "1" (llr.w32[0]) );
1767 __attribute__((always_inline)) __STATIC_INLINE uint32_t __SMUSD (uint32_t op1, uint32_t op2)
1771 __ASM volatile ("smusd %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1775 __attribute__((always_inline)) __STATIC_INLINE uint32_t __SMUSDX (uint32_t op1, uint32_t op2)
1779 __ASM volatile ("smusdx %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1783 __attribute__((always_inline)) __STATIC_INLINE uint32_t __SMLSD (uint32_t op1, uint32_t op2, uint32_t op3)
1787 __ASM volatile ("smlsd %0, %1, %2, %3" : "=r" (result) : "r" (op1), "r" (op2), "r" (op3) );
1791 __attribute__((always_inline)) __STATIC_INLINE uint32_t __SMLSDX (uint32_t op1, uint32_t op2, uint32_t op3)
1795 __ASM volatile ("smlsdx %0, %1, %2, %3" : "=r" (result) : "r" (op1), "r" (op2), "r" (op3) );
1799 __attribute__((always_inline)) __STATIC_INLINE uint64_t __SMLSLD (uint32_t op1, uint32_t op2, uint64_t acc)
1807 #ifndef __ARMEB__ /* Little endian */
1808 __ASM volatile ("smlsld %0, %1, %2, %3" : "=r" (llr.w32[0]), "=r" (llr.w32[1]): "r" (op1), "r" (op2) , "0" (llr.w32[0]), "1" (llr.w32[1]) );
1809 #else /* Big endian */
1810 __ASM volatile ("smlsld %0, %1, %2, %3" : "=r" (llr.w32[1]), "=r" (llr.w32[0]): "r" (op1), "r" (op2) , "0" (llr.w32[1]), "1" (llr.w32[0]) );
1816 __attribute__((always_inline)) __STATIC_INLINE uint64_t __SMLSLDX (uint32_t op1, uint32_t op2, uint64_t acc)
1824 #ifndef __ARMEB__ /* Little endian */
1825 __ASM volatile ("smlsldx %0, %1, %2, %3" : "=r" (llr.w32[0]), "=r" (llr.w32[1]): "r" (op1), "r" (op2) , "0" (llr.w32[0]), "1" (llr.w32[1]) );
1826 #else /* Big endian */
1827 __ASM volatile ("smlsldx %0, %1, %2, %3" : "=r" (llr.w32[1]), "=r" (llr.w32[0]): "r" (op1), "r" (op2) , "0" (llr.w32[1]), "1" (llr.w32[0]) );
1833 __attribute__((always_inline)) __STATIC_INLINE uint32_t __SEL (uint32_t op1, uint32_t op2)
1837 __ASM volatile ("sel %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1841 __attribute__((always_inline)) __STATIC_INLINE int32_t __QADD( int32_t op1, int32_t op2)
1845 __ASM volatile ("qadd %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1849 __attribute__((always_inline)) __STATIC_INLINE int32_t __QSUB( int32_t op1, int32_t op2)
1853 __ASM volatile ("qsub %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1858 #define __PKHBT(ARG1,ARG2,ARG3) \
1860 uint32_t __RES, __ARG1 = (ARG1), __ARG2 = (ARG2); \
1861 __ASM ("pkhbt %0, %1, %2, lsl %3" : "=r" (__RES) : "r" (__ARG1), "r" (__ARG2), "I" (ARG3) ); \
1865 #define __PKHTB(ARG1,ARG2,ARG3) \
1867 uint32_t __RES, __ARG1 = (ARG1), __ARG2 = (ARG2); \
1869 __ASM ("pkhtb %0, %1, %2" : "=r" (__RES) : "r" (__ARG1), "r" (__ARG2) ); \
1871 __ASM ("pkhtb %0, %1, %2, asr %3" : "=r" (__RES) : "r" (__ARG1), "r" (__ARG2), "I" (ARG3) ); \
1876 #define __PKHBT(ARG1,ARG2,ARG3) ( ((((uint32_t)(ARG1)) ) & 0x0000FFFFUL) | \
1877 ((((uint32_t)(ARG2)) << (ARG3)) & 0xFFFF0000UL) )
1879 #define __PKHTB(ARG1,ARG2,ARG3) ( ((((uint32_t)(ARG1)) ) & 0xFFFF0000UL) | \
1880 ((((uint32_t)(ARG2)) >> (ARG3)) & 0x0000FFFFUL) )
1882 __attribute__((always_inline)) __STATIC_INLINE int32_t __SMMLA (int32_t op1, int32_t op2, int32_t op3)
1886 __ASM volatile ("smmla %0, %1, %2, %3" : "=r" (result): "r" (op1), "r" (op2), "r" (op3) );
1890 #endif /* (__ARM_FEATURE_DSP == 1) */
1891 /*@} end of group CMSIS_SIMD_intrinsics */
1894 #pragma GCC diagnostic pop
1896 #endif /* __CMSIS_GCC_H */