1 /**************************************************************************//**
3 * @brief CMSIS Cortex-M Core Function/Instruction Header File
5 * @date 28. October 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 struct __attribute__((packed)) T_UINT32 { uint32_t v; };
55 #define __UNALIGNED_UINT32(x) (((struct T_UINT32 *)(x))->v)
58 #define __ALIGNED(x) __attribute__((aligned(x)))
61 #define __PACKED __attribute__((packed, aligned(1)))
65 /* ########################### Core Function Access ########################### */
66 /** \ingroup CMSIS_Core_FunctionInterface
67 \defgroup CMSIS_Core_RegAccFunctions CMSIS Core Register Access Functions
72 \brief Enable IRQ Interrupts
73 \details Enables IRQ interrupts by clearing the I-bit in the CPSR.
74 Can only be executed in Privileged modes.
76 __attribute__((always_inline)) __STATIC_INLINE void __enable_irq(void)
78 __ASM volatile ("cpsie i" : : : "memory");
83 \brief Disable IRQ Interrupts
84 \details Disables IRQ interrupts by setting the I-bit in the CPSR.
85 Can only be executed in Privileged modes.
87 __attribute__((always_inline)) __STATIC_INLINE void __disable_irq(void)
89 __ASM volatile ("cpsid i" : : : "memory");
94 \brief Get Control Register
95 \details Returns the content of the Control Register.
96 \return Control Register value
98 __attribute__((always_inline)) __STATIC_INLINE uint32_t __get_CONTROL(void)
102 __ASM volatile ("MRS %0, control" : "=r" (result) );
107 #if (defined (__ARM_FEATURE_CMSE ) && (__ARM_FEATURE_CMSE == 3))
109 \brief Get Control Register (non-secure)
110 \details Returns the content of the non-secure Control Register when in secure mode.
111 \return non-secure Control Register value
113 __attribute__((always_inline)) __STATIC_INLINE uint32_t __TZ_get_CONTROL_NS(void)
117 __ASM volatile ("MRS %0, control_ns" : "=r" (result) );
124 \brief Set Control Register
125 \details Writes the given value to the Control Register.
126 \param [in] control Control Register value to set
128 __attribute__((always_inline)) __STATIC_INLINE void __set_CONTROL(uint32_t control)
130 __ASM volatile ("MSR control, %0" : : "r" (control) : "memory");
134 #if (defined (__ARM_FEATURE_CMSE ) && (__ARM_FEATURE_CMSE == 3))
136 \brief Set Control Register (non-secure)
137 \details Writes the given value to the non-secure Control Register when in secure state.
138 \param [in] control Control Register value to set
140 __attribute__((always_inline)) __STATIC_INLINE void __TZ_set_CONTROL_NS(uint32_t control)
142 __ASM volatile ("MSR control_ns, %0" : : "r" (control) : "memory");
148 \brief Get IPSR Register
149 \details Returns the content of the IPSR Register.
150 \return IPSR Register value
152 __attribute__((always_inline)) __STATIC_INLINE uint32_t __get_IPSR(void)
156 __ASM volatile ("MRS %0, ipsr" : "=r" (result) );
162 \brief Get APSR Register
163 \details Returns the content of the APSR Register.
164 \return APSR Register value
166 __attribute__((always_inline)) __STATIC_INLINE uint32_t __get_APSR(void)
170 __ASM volatile ("MRS %0, apsr" : "=r" (result) );
176 \brief Get xPSR Register
177 \details Returns the content of the xPSR Register.
178 \return xPSR Register value
180 __attribute__((always_inline)) __STATIC_INLINE uint32_t __get_xPSR(void)
184 __ASM volatile ("MRS %0, xpsr" : "=r" (result) );
190 \brief Get Process Stack Pointer
191 \details Returns the current value of the Process Stack Pointer (PSP).
192 \return PSP Register value
194 __attribute__((always_inline)) __STATIC_INLINE uint32_t __get_PSP(void)
196 register uint32_t result;
198 __ASM volatile ("MRS %0, psp" : "=r" (result) );
203 #if (defined (__ARM_FEATURE_CMSE ) && (__ARM_FEATURE_CMSE == 3))
205 \brief Get Process Stack Pointer (non-secure)
206 \details Returns the current value of the non-secure Process Stack Pointer (PSP) when in secure state.
207 \return PSP Register value
209 __attribute__((always_inline)) __STATIC_INLINE uint32_t __TZ_get_PSP_NS(void)
211 register uint32_t result;
213 __ASM volatile ("MRS %0, psp_ns" : "=r" (result) );
220 \brief Set Process Stack Pointer
221 \details Assigns the given value to the Process Stack Pointer (PSP).
222 \param [in] topOfProcStack Process Stack Pointer value to set
224 __attribute__((always_inline)) __STATIC_INLINE void __set_PSP(uint32_t topOfProcStack)
226 __ASM volatile ("MSR psp, %0" : : "r" (topOfProcStack) : "sp");
230 #if (defined (__ARM_FEATURE_CMSE ) && (__ARM_FEATURE_CMSE == 3))
232 \brief Set Process Stack Pointer (non-secure)
233 \details Assigns the given value to the non-secure Process Stack Pointer (PSP) when in secure state.
234 \param [in] topOfProcStack Process Stack Pointer value to set
236 __attribute__((always_inline)) __STATIC_INLINE void __TZ_set_PSP_NS(uint32_t topOfProcStack)
238 __ASM volatile ("MSR psp_ns, %0" : : "r" (topOfProcStack) : "sp");
244 \brief Get Main Stack Pointer
245 \details Returns the current value of the Main Stack Pointer (MSP).
246 \return MSP Register value
248 __attribute__((always_inline)) __STATIC_INLINE uint32_t __get_MSP(void)
250 register uint32_t result;
252 __ASM volatile ("MRS %0, msp" : "=r" (result) );
257 #if (defined (__ARM_FEATURE_CMSE ) && (__ARM_FEATURE_CMSE == 3))
259 \brief Get Main Stack Pointer (non-secure)
260 \details Returns the current value of the non-secure Main Stack Pointer (MSP) when in secure state.
261 \return MSP Register value
263 __attribute__((always_inline)) __STATIC_INLINE uint32_t __TZ_get_MSP_NS(void)
265 register uint32_t result;
267 __ASM volatile ("MRS %0, msp_ns" : "=r" (result) );
274 \brief Set Main Stack Pointer
275 \details Assigns the given value to the Main Stack Pointer (MSP).
276 \param [in] topOfMainStack Main Stack Pointer value to set
278 __attribute__((always_inline)) __STATIC_INLINE void __set_MSP(uint32_t topOfMainStack)
280 __ASM volatile ("MSR msp, %0" : : "r" (topOfMainStack) : "sp");
284 #if (defined (__ARM_FEATURE_CMSE ) && (__ARM_FEATURE_CMSE == 3))
286 \brief Set Main Stack Pointer (non-secure)
287 \details Assigns the given value to the non-secure Main Stack Pointer (MSP) when in secure state.
288 \param [in] topOfMainStack Main Stack Pointer value to set
290 __attribute__((always_inline)) __STATIC_INLINE void __TZ_set_MSP_NS(uint32_t topOfMainStack)
292 __ASM volatile ("MSR msp_ns, %0" : : "r" (topOfMainStack) : "sp");
298 \brief Get Priority Mask
299 \details Returns the current state of the priority mask bit from the Priority Mask Register.
300 \return Priority Mask value
302 __attribute__((always_inline)) __STATIC_INLINE uint32_t __get_PRIMASK(void)
306 __ASM volatile ("MRS %0, primask" : "=r" (result) );
311 #if (defined (__ARM_FEATURE_CMSE ) && (__ARM_FEATURE_CMSE == 3))
313 \brief Get Priority Mask (non-secure)
314 \details Returns the current state of the non-secure priority mask bit from the Priority Mask Register when in secure state.
315 \return Priority Mask value
317 __attribute__((always_inline)) __STATIC_INLINE uint32_t __TZ_get_PRIMASK_NS(void)
321 __ASM volatile ("MRS %0, primask_ns" : "=r" (result) );
328 \brief Set Priority Mask
329 \details Assigns the given value to the Priority Mask Register.
330 \param [in] priMask Priority Mask
332 __attribute__((always_inline)) __STATIC_INLINE void __set_PRIMASK(uint32_t priMask)
334 __ASM volatile ("MSR primask, %0" : : "r" (priMask) : "memory");
338 #if (defined (__ARM_FEATURE_CMSE ) && (__ARM_FEATURE_CMSE == 3))
340 \brief Set Priority Mask (non-secure)
341 \details Assigns the given value to the non-secure Priority Mask Register when in secure state.
342 \param [in] priMask Priority Mask
344 __attribute__((always_inline)) __STATIC_INLINE void __TZ_set_PRIMASK_NS(uint32_t priMask)
346 __ASM volatile ("MSR primask_ns, %0" : : "r" (priMask) : "memory");
351 #if ((defined (__ARM_ARCH_7M__ ) && (__ARM_ARCH_7M__ == 1)) || \
352 (defined (__ARM_ARCH_7EM__ ) && (__ARM_ARCH_7EM__ == 1)) || \
353 (defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)) )
356 \details Enables FIQ interrupts by clearing the F-bit in the CPSR.
357 Can only be executed in Privileged modes.
359 __attribute__((always_inline)) __STATIC_INLINE void __enable_fault_irq(void)
361 __ASM volatile ("cpsie f" : : : "memory");
367 \details Disables FIQ interrupts by setting the F-bit in the CPSR.
368 Can only be executed in Privileged modes.
370 __attribute__((always_inline)) __STATIC_INLINE void __disable_fault_irq(void)
372 __ASM volatile ("cpsid f" : : : "memory");
377 \brief Get Base Priority
378 \details Returns the current value of the Base Priority register.
379 \return Base Priority register value
381 __attribute__((always_inline)) __STATIC_INLINE uint32_t __get_BASEPRI(void)
385 __ASM volatile ("MRS %0, basepri" : "=r" (result) );
390 #if (defined (__ARM_FEATURE_CMSE ) && (__ARM_FEATURE_CMSE == 3))
392 \brief Get Base Priority (non-secure)
393 \details Returns the current value of the non-secure Base Priority register when in secure state.
394 \return Base Priority register value
396 __attribute__((always_inline)) __STATIC_INLINE uint32_t __TZ_get_BASEPRI_NS(void)
400 __ASM volatile ("MRS %0, basepri_ns" : "=r" (result) );
407 \brief Set Base Priority
408 \details Assigns the given value to the Base Priority register.
409 \param [in] basePri Base Priority value to set
411 __attribute__((always_inline)) __STATIC_INLINE void __set_BASEPRI(uint32_t basePri)
413 __ASM volatile ("MSR basepri, %0" : : "r" (basePri) : "memory");
417 #if (defined (__ARM_FEATURE_CMSE ) && (__ARM_FEATURE_CMSE == 3))
419 \brief Set Base Priority (non-secure)
420 \details Assigns the given value to the non-secure Base Priority register when in secure state.
421 \param [in] basePri Base Priority value to set
423 __attribute__((always_inline)) __STATIC_INLINE void __TZ_set_BASEPRI_NS(uint32_t basePri)
425 __ASM volatile ("MSR basepri_ns, %0" : : "r" (basePri) : "memory");
431 \brief Set Base Priority with condition
432 \details Assigns the given value to the Base Priority register only if BASEPRI masking is disabled,
433 or the new value increases the BASEPRI priority level.
434 \param [in] basePri Base Priority value to set
436 __attribute__((always_inline)) __STATIC_INLINE void __set_BASEPRI_MAX(uint32_t basePri)
438 __ASM volatile ("MSR basepri_max, %0" : : "r" (basePri) : "memory");
443 \brief Get Fault Mask
444 \details Returns the current value of the Fault Mask register.
445 \return Fault Mask register value
447 __attribute__((always_inline)) __STATIC_INLINE uint32_t __get_FAULTMASK(void)
451 __ASM volatile ("MRS %0, faultmask" : "=r" (result) );
456 #if (defined (__ARM_FEATURE_CMSE ) && (__ARM_FEATURE_CMSE == 3))
458 \brief Get Fault Mask (non-secure)
459 \details Returns the current value of the non-secure Fault Mask register when in secure state.
460 \return Fault Mask register value
462 __attribute__((always_inline)) __STATIC_INLINE uint32_t __TZ_get_FAULTMASK_NS(void)
466 __ASM volatile ("MRS %0, faultmask_ns" : "=r" (result) );
473 \brief Set Fault Mask
474 \details Assigns the given value to the Fault Mask register.
475 \param [in] faultMask Fault Mask value to set
477 __attribute__((always_inline)) __STATIC_INLINE void __set_FAULTMASK(uint32_t faultMask)
479 __ASM volatile ("MSR faultmask, %0" : : "r" (faultMask) : "memory");
483 #if (defined (__ARM_FEATURE_CMSE ) && (__ARM_FEATURE_CMSE == 3))
485 \brief Set Fault Mask (non-secure)
486 \details Assigns the given value to the non-secure Fault Mask register when in secure state.
487 \param [in] faultMask Fault Mask value to set
489 __attribute__((always_inline)) __STATIC_INLINE void __TZ_set_FAULTMASK_NS(uint32_t faultMask)
491 __ASM volatile ("MSR faultmask_ns, %0" : : "r" (faultMask) : "memory");
495 #endif /* ((defined (__ARM_ARCH_7M__ ) && (__ARM_ARCH_7M__ == 1)) || \
496 (defined (__ARM_ARCH_7EM__ ) && (__ARM_ARCH_7EM__ == 1)) || \
497 (defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)) ) */
500 #if ((defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1U)) || \
501 (defined (__ARM_ARCH_8M_BASE__ ) && (__ARM_ARCH_8M_BASE__ == 1U)) )
504 \brief Get Process Stack Pointer Limit
505 \details Returns the current value of the Process Stack Pointer Limit (PSPLIM).
506 \return PSPLIM Register value
508 __attribute__((always_inline)) __STATIC_INLINE uint32_t __get_PSPLIM(void)
510 register uint32_t result;
512 __ASM volatile ("MRS %0, psplim" : "=r" (result) );
517 #if ((defined (__ARM_FEATURE_CMSE ) && (__ARM_FEATURE_CMSE == 3)) && \
518 (defined (__ARM_ARCH_8M_MAIN__) && (__ARM_ARCH_8M_MAIN__ == 1)) )
520 \brief Get Process Stack Pointer Limit (non-secure)
521 \details Returns the current value of the non-secure Process Stack Pointer Limit (PSPLIM) when in secure state.
522 \return PSPLIM Register value
524 __attribute__((always_inline)) __STATIC_INLINE uint32_t __TZ_get_PSPLIM_NS(void)
526 register uint32_t result;
528 __ASM volatile ("MRS %0, psplim_ns" : "=r" (result) );
535 \brief Set Process Stack Pointer Limit
536 \details Assigns the given value to the Process Stack Pointer Limit (PSPLIM).
537 \param [in] ProcStackPtrLimit Process Stack Pointer Limit value to set
539 __attribute__((always_inline)) __STATIC_INLINE void __set_PSPLIM(uint32_t ProcStackPtrLimit)
541 __ASM volatile ("MSR psplim, %0" : : "r" (ProcStackPtrLimit));
545 #if ((defined (__ARM_FEATURE_CMSE ) && (__ARM_FEATURE_CMSE == 3)) && \
546 (defined (__ARM_ARCH_8M_MAIN__) && (__ARM_ARCH_8M_MAIN__ == 1)) )
548 \brief Set Process Stack Pointer (non-secure)
549 \details Assigns the given value to the non-secure Process Stack Pointer Limit (PSPLIM) when in secure state.
550 \param [in] ProcStackPtrLimit Process Stack Pointer Limit value to set
552 __attribute__((always_inline)) __STATIC_INLINE void __TZ_set_PSPLIM_NS(uint32_t ProcStackPtrLimit)
554 __ASM volatile ("MSR psplim_ns, %0\n" : : "r" (ProcStackPtrLimit));
560 \brief Get Main Stack Pointer Limit
561 \details Returns the current value of the Main Stack Pointer Limit (MSPLIM).
562 \return MSPLIM Register value
564 __attribute__((always_inline)) __STATIC_INLINE uint32_t __get_MSPLIM(void)
566 register uint32_t result;
568 __ASM volatile ("MRS %0, msplim" : "=r" (result) );
574 #if ((defined (__ARM_FEATURE_CMSE ) && (__ARM_FEATURE_CMSE == 3)) && \
575 (defined (__ARM_ARCH_8M_MAIN__) && (__ARM_ARCH_8M_MAIN__ == 1)) )
577 \brief Get Main Stack Pointer Limit (non-secure)
578 \details Returns the current value of the non-secure Main Stack Pointer Limit(MSPLIM) when in secure state.
579 \return MSPLIM Register value
581 __attribute__((always_inline)) __STATIC_INLINE uint32_t __TZ_get_MSPLIM_NS(void)
583 register uint32_t result;
585 __ASM volatile ("MRS %0, msplim_ns" : "=r" (result) );
592 \brief Set Main Stack Pointer Limit
593 \details Assigns the given value to the Main Stack Pointer Limit (MSPLIM).
594 \param [in] MainStackPtrLimit Main Stack Pointer Limit value to set
596 __attribute__((always_inline)) __STATIC_INLINE void __set_MSPLIM(uint32_t MainStackPtrLimit)
598 __ASM volatile ("MSR msplim, %0" : : "r" (MainStackPtrLimit));
602 #if ((defined (__ARM_FEATURE_CMSE ) && (__ARM_FEATURE_CMSE == 3)) && \
603 (defined (__ARM_ARCH_8M_MAIN__) && (__ARM_ARCH_8M_MAIN__ == 1)) )
605 \brief Set Main Stack Pointer Limit (non-secure)
606 \details Assigns the given value to the non-secure Main Stack Pointer Limit (MSPLIM) when in secure state.
607 \param [in] MainStackPtrLimit Main Stack Pointer value to set
609 __attribute__((always_inline)) __STATIC_INLINE void __TZ_set_MSPLIM_NS(uint32_t MainStackPtrLimit)
611 __ASM volatile ("MSR msplim_ns, %0" : : "r" (MainStackPtrLimit));
615 #endif /* ((defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1U)) || \
616 (defined (__ARM_ARCH_8M_BASE__ ) && (__ARM_ARCH_8M_BASE__ == 1U)) ) */
619 #if ((defined (__ARM_ARCH_7EM__ ) && (__ARM_ARCH_7EM__ == 1)) || \
620 (defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)) )
624 \details Returns the current value of the Floating Point Status/Control register.
625 \return Floating Point Status/Control register value
627 __attribute__((always_inline)) __STATIC_INLINE uint32_t __get_FPSCR(void)
629 #if ((defined (__FPU_PRESENT) && (__FPU_PRESENT == 1U)) && \
630 (defined (__FPU_USED ) && (__FPU_USED == 1U)) )
633 __ASM volatile (""); /* Empty asm statement works as a scheduling barrier */
634 __ASM volatile ("VMRS %0, fpscr" : "=r" (result) );
645 \details Assigns the given value to the Floating Point Status/Control register.
646 \param [in] fpscr Floating Point Status/Control value to set
648 __attribute__((always_inline)) __STATIC_INLINE void __set_FPSCR(uint32_t fpscr)
650 #if ((defined (__FPU_PRESENT) && (__FPU_PRESENT == 1U)) && \
651 (defined (__FPU_USED ) && (__FPU_USED == 1U)) )
652 __ASM volatile (""); /* Empty asm statement works as a scheduling barrier */
653 __ASM volatile ("VMSR fpscr, %0" : : "r" (fpscr) : "vfpcc");
658 #endif /* ((defined (__ARM_ARCH_7EM__ ) && (__ARM_ARCH_7EM__ == 1)) || \
659 (defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)) ) */
663 /*@} end of CMSIS_Core_RegAccFunctions */
666 /* ########################## Core Instruction Access ######################### */
667 /** \defgroup CMSIS_Core_InstructionInterface CMSIS Core Instruction Interface
668 Access to dedicated instructions
672 /* Define macros for porting to both thumb1 and thumb2.
673 * For thumb1, use low register (r0-r7), specified by constraint "l"
674 * Otherwise, use general registers, specified by constraint "r" */
675 #if defined (__thumb__) && !defined (__thumb2__)
676 #define __CMSIS_GCC_OUT_REG(r) "=l" (r)
677 #define __CMSIS_GCC_RW_REG(r) "+l" (r)
678 #define __CMSIS_GCC_USE_REG(r) "l" (r)
680 #define __CMSIS_GCC_OUT_REG(r) "=r" (r)
681 #define __CMSIS_GCC_RW_REG(r) "+r" (r)
682 #define __CMSIS_GCC_USE_REG(r) "r" (r)
687 \details No Operation does nothing. This instruction can be used for code alignment purposes.
689 //__attribute__((always_inline)) __STATIC_INLINE void __NOP(void)
691 // __ASM volatile ("nop");
693 #define __NOP() __ASM volatile ("nop") /* This implementation generates debug information */
696 \brief Wait For Interrupt
697 \details Wait For Interrupt is a hint instruction that suspends execution until one of a number of events occurs.
699 //__attribute__((always_inline)) __STATIC_INLINE void __WFI(void)
701 // __ASM volatile ("wfi");
703 #define __WFI() __ASM volatile ("wfi") /* This implementation generates debug information */
707 \brief Wait For Event
708 \details Wait For Event is a hint instruction that permits the processor to enter
709 a low-power state until one of a number of events occurs.
711 //__attribute__((always_inline)) __STATIC_INLINE void __WFE(void)
713 // __ASM volatile ("wfe");
715 #define __WFE() __ASM volatile ("wfe") /* This implementation generates debug information */
720 \details Send Event is a hint instruction. It causes an event to be signaled to the CPU.
722 //__attribute__((always_inline)) __STATIC_INLINE void __SEV(void)
724 // __ASM volatile ("sev");
726 #define __SEV() __ASM volatile ("sev") /* This implementation generates debug information */
730 \brief Instruction Synchronization Barrier
731 \details Instruction Synchronization Barrier flushes the pipeline in the processor,
732 so that all instructions following the ISB are fetched from cache or memory,
733 after the instruction has been completed.
735 __attribute__((always_inline)) __STATIC_INLINE void __ISB(void)
737 __ASM volatile ("isb 0xF":::"memory");
742 \brief Data Synchronization Barrier
743 \details Acts as a special kind of Data Memory Barrier.
744 It completes when all explicit memory accesses before this instruction complete.
746 __attribute__((always_inline)) __STATIC_INLINE void __DSB(void)
748 __ASM volatile ("dsb 0xF":::"memory");
753 \brief Data Memory Barrier
754 \details Ensures the apparent order of the explicit memory operations before
755 and after the instruction, without ensuring their completion.
757 __attribute__((always_inline)) __STATIC_INLINE void __DMB(void)
759 __ASM volatile ("dmb 0xF":::"memory");
764 \brief Reverse byte order (32 bit)
765 \details Reverses the byte order in integer value.
766 \param [in] value Value to reverse
767 \return Reversed value
769 __attribute__((always_inline)) __STATIC_INLINE uint32_t __REV(uint32_t value)
771 #if (__GNUC__ > 4) || (__GNUC__ == 4 && __GNUC_MINOR__ >= 5)
772 return __builtin_bswap32(value);
776 __ASM volatile ("rev %0, %1" : __CMSIS_GCC_OUT_REG (result) : __CMSIS_GCC_USE_REG (value) );
783 \brief Reverse byte order (16 bit)
784 \details Reverses the byte order in two unsigned short values.
785 \param [in] value Value to reverse
786 \return Reversed value
788 __attribute__((always_inline)) __STATIC_INLINE uint32_t __REV16(uint32_t value)
792 __ASM volatile ("rev16 %0, %1" : __CMSIS_GCC_OUT_REG (result) : __CMSIS_GCC_USE_REG (value) );
798 \brief Reverse byte order in signed short value
799 \details Reverses the byte order in a signed short value with sign extension to integer.
800 \param [in] value Value to reverse
801 \return Reversed value
803 __attribute__((always_inline)) __STATIC_INLINE int32_t __REVSH(int32_t value)
805 #if (__GNUC__ > 4) || (__GNUC__ == 4 && __GNUC_MINOR__ >= 8)
806 return (short)__builtin_bswap16(value);
810 __ASM volatile ("revsh %0, %1" : __CMSIS_GCC_OUT_REG (result) : __CMSIS_GCC_USE_REG (value) );
817 \brief Rotate Right in unsigned value (32 bit)
818 \details Rotate Right (immediate) provides the value of the contents of a register rotated by a variable number of bits.
819 \param [in] op1 Value to rotate
820 \param [in] op2 Number of Bits to rotate
821 \return Rotated value
823 __attribute__((always_inline)) __STATIC_INLINE uint32_t __ROR(uint32_t op1, uint32_t op2)
825 return (op1 >> op2) | (op1 << (32U - op2));
831 \details Causes the processor to enter Debug state.
832 Debug tools can use this to investigate system state when the instruction at a particular address is reached.
833 \param [in] value is ignored by the processor.
834 If required, a debugger can use it to store additional information about the breakpoint.
836 #define __BKPT(value) __ASM volatile ("bkpt "#value)
840 \brief Reverse bit order of value
841 \details Reverses the bit order of the given value.
842 \param [in] value Value to reverse
843 \return Reversed value
845 __attribute__((always_inline)) __STATIC_INLINE uint32_t __RBIT(uint32_t value)
849 #if ((defined (__ARM_ARCH_7M__ ) && (__ARM_ARCH_7M__ == 1)) || \
850 (defined (__ARM_ARCH_7EM__ ) && (__ARM_ARCH_7EM__ == 1)) || \
851 (defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)) )
852 __ASM volatile ("rbit %0, %1" : "=r" (result) : "r" (value) );
854 int32_t s = (4 /*sizeof(v)*/ * 8) - 1; /* extra shift needed at end */
856 result = value; /* r will be reversed bits of v; first get LSB of v */
857 for (value >>= 1U; value; value >>= 1U)
860 result |= value & 1U;
863 result <<= s; /* shift when v's highest bits are zero */
870 \brief Count leading zeros
871 \details Counts the number of leading zeros of a data value.
872 \param [in] value Value to count the leading zeros
873 \return number of leading zeros in value
875 #define __CLZ __builtin_clz
878 #if ((defined (__ARM_ARCH_7M__ ) && (__ARM_ARCH_7M__ == 1)) || \
879 (defined (__ARM_ARCH_7EM__ ) && (__ARM_ARCH_7EM__ == 1)) || \
880 (defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)) || \
881 (defined (__ARM_ARCH_8M_BASE__ ) && (__ARM_ARCH_8M_BASE__ == 1)) )
883 \brief LDR Exclusive (8 bit)
884 \details Executes a exclusive LDR instruction for 8 bit value.
885 \param [in] ptr Pointer to data
886 \return value of type uint8_t at (*ptr)
888 __attribute__((always_inline)) __STATIC_INLINE uint8_t __LDREXB(volatile uint8_t *addr)
892 #if (__GNUC__ > 4) || (__GNUC__ == 4 && __GNUC_MINOR__ >= 8)
893 __ASM volatile ("ldrexb %0, %1" : "=r" (result) : "Q" (*addr) );
895 /* Prior to GCC 4.8, "Q" will be expanded to [rx, #0] which is not
896 accepted by assembler. So has to use following less efficient pattern.
898 __ASM volatile ("ldrexb %0, [%1]" : "=r" (result) : "r" (addr) : "memory" );
900 return ((uint8_t) result); /* Add explicit type cast here */
905 \brief LDR Exclusive (16 bit)
906 \details Executes a exclusive LDR instruction for 16 bit values.
907 \param [in] ptr Pointer to data
908 \return value of type uint16_t at (*ptr)
910 __attribute__((always_inline)) __STATIC_INLINE uint16_t __LDREXH(volatile uint16_t *addr)
914 #if (__GNUC__ > 4) || (__GNUC__ == 4 && __GNUC_MINOR__ >= 8)
915 __ASM volatile ("ldrexh %0, %1" : "=r" (result) : "Q" (*addr) );
917 /* Prior to GCC 4.8, "Q" will be expanded to [rx, #0] which is not
918 accepted by assembler. So has to use following less efficient pattern.
920 __ASM volatile ("ldrexh %0, [%1]" : "=r" (result) : "r" (addr) : "memory" );
922 return ((uint16_t) result); /* Add explicit type cast here */
927 \brief LDR Exclusive (32 bit)
928 \details Executes a exclusive LDR instruction for 32 bit values.
929 \param [in] ptr Pointer to data
930 \return value of type uint32_t at (*ptr)
932 __attribute__((always_inline)) __STATIC_INLINE uint32_t __LDREXW(volatile uint32_t *addr)
936 __ASM volatile ("ldrex %0, %1" : "=r" (result) : "Q" (*addr) );
942 \brief STR Exclusive (8 bit)
943 \details Executes a exclusive STR instruction for 8 bit values.
944 \param [in] value Value to store
945 \param [in] ptr Pointer to location
946 \return 0 Function succeeded
947 \return 1 Function failed
949 __attribute__((always_inline)) __STATIC_INLINE uint32_t __STREXB(uint8_t value, volatile uint8_t *addr)
953 __ASM volatile ("strexb %0, %2, %1" : "=&r" (result), "=Q" (*addr) : "r" ((uint32_t)value) );
959 \brief STR Exclusive (16 bit)
960 \details Executes a exclusive STR instruction for 16 bit values.
961 \param [in] value Value to store
962 \param [in] ptr Pointer to location
963 \return 0 Function succeeded
964 \return 1 Function failed
966 __attribute__((always_inline)) __STATIC_INLINE uint32_t __STREXH(uint16_t value, volatile uint16_t *addr)
970 __ASM volatile ("strexh %0, %2, %1" : "=&r" (result), "=Q" (*addr) : "r" ((uint32_t)value) );
976 \brief STR Exclusive (32 bit)
977 \details Executes a exclusive STR instruction for 32 bit values.
978 \param [in] value Value to store
979 \param [in] ptr Pointer to location
980 \return 0 Function succeeded
981 \return 1 Function failed
983 __attribute__((always_inline)) __STATIC_INLINE uint32_t __STREXW(uint32_t value, volatile uint32_t *addr)
987 __ASM volatile ("strex %0, %2, %1" : "=&r" (result), "=Q" (*addr) : "r" (value) );
993 \brief Remove the exclusive lock
994 \details Removes the exclusive lock which is created by LDREX.
996 __attribute__((always_inline)) __STATIC_INLINE void __CLREX(void)
998 __ASM volatile ("clrex" ::: "memory");
1001 #endif /* ((defined (__ARM_ARCH_7M__ ) && (__ARM_ARCH_7M__ == 1)) || \
1002 (defined (__ARM_ARCH_7EM__ ) && (__ARM_ARCH_7EM__ == 1)) || \
1003 (defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)) || \
1004 (defined (__ARM_ARCH_8M_BASE__ ) && (__ARM_ARCH_8M_BASE__ == 1)) ) */
1007 #if ((defined (__ARM_ARCH_7M__ ) && (__ARM_ARCH_7M__ == 1)) || \
1008 (defined (__ARM_ARCH_7EM__ ) && (__ARM_ARCH_7EM__ == 1)) || \
1009 (defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)) )
1011 \brief Signed Saturate
1012 \details Saturates a signed value.
1013 \param [in] value Value to be saturated
1014 \param [in] sat Bit position to saturate to (1..32)
1015 \return Saturated value
1017 #define __SSAT(ARG1,ARG2) \
1019 int32_t __RES, __ARG1 = (ARG1); \
1020 __ASM ("ssat %0, %1, %2" : "=r" (__RES) : "I" (ARG2), "r" (__ARG1) ); \
1026 \brief Unsigned Saturate
1027 \details Saturates an unsigned value.
1028 \param [in] value Value to be saturated
1029 \param [in] sat Bit position to saturate to (0..31)
1030 \return Saturated value
1032 #define __USAT(ARG1,ARG2) \
1034 uint32_t __RES, __ARG1 = (ARG1); \
1035 __ASM ("usat %0, %1, %2" : "=r" (__RES) : "I" (ARG2), "r" (__ARG1) ); \
1041 \brief Rotate Right with Extend (32 bit)
1042 \details Moves each bit of a bitstring right by one bit.
1043 The carry input is shifted in at the left end of the bitstring.
1044 \param [in] value Value to rotate
1045 \return Rotated value
1047 __attribute__((always_inline)) __STATIC_INLINE uint32_t __RRX(uint32_t value)
1051 __ASM volatile ("rrx %0, %1" : __CMSIS_GCC_OUT_REG (result) : __CMSIS_GCC_USE_REG (value) );
1057 \brief LDRT Unprivileged (8 bit)
1058 \details Executes a Unprivileged LDRT instruction for 8 bit value.
1059 \param [in] ptr Pointer to data
1060 \return value of type uint8_t at (*ptr)
1062 __attribute__((always_inline)) __STATIC_INLINE uint8_t __LDRBT(volatile uint8_t *ptr)
1066 #if (__GNUC__ > 4) || (__GNUC__ == 4 && __GNUC_MINOR__ >= 8)
1067 __ASM volatile ("ldrbt %0, %1" : "=r" (result) : "Q" (*ptr) );
1069 /* Prior to GCC 4.8, "Q" will be expanded to [rx, #0] which is not
1070 accepted by assembler. So has to use following less efficient pattern.
1072 __ASM volatile ("ldrbt %0, [%1]" : "=r" (result) : "r" (ptr) : "memory" );
1074 return ((uint8_t) result); /* Add explicit type cast here */
1079 \brief LDRT Unprivileged (16 bit)
1080 \details Executes a Unprivileged LDRT instruction for 16 bit values.
1081 \param [in] ptr Pointer to data
1082 \return value of type uint16_t at (*ptr)
1084 __attribute__((always_inline)) __STATIC_INLINE uint16_t __LDRHT(volatile uint16_t *ptr)
1088 #if (__GNUC__ > 4) || (__GNUC__ == 4 && __GNUC_MINOR__ >= 8)
1089 __ASM volatile ("ldrht %0, %1" : "=r" (result) : "Q" (*ptr) );
1091 /* Prior to GCC 4.8, "Q" will be expanded to [rx, #0] which is not
1092 accepted by assembler. So has to use following less efficient pattern.
1094 __ASM volatile ("ldrht %0, [%1]" : "=r" (result) : "r" (ptr) : "memory" );
1096 return ((uint16_t) result); /* Add explicit type cast here */
1101 \brief LDRT Unprivileged (32 bit)
1102 \details Executes a Unprivileged LDRT instruction for 32 bit values.
1103 \param [in] ptr Pointer to data
1104 \return value of type uint32_t at (*ptr)
1106 __attribute__((always_inline)) __STATIC_INLINE uint32_t __LDRT(volatile uint32_t *ptr)
1110 __ASM volatile ("ldrt %0, %1" : "=r" (result) : "Q" (*ptr) );
1116 \brief STRT Unprivileged (8 bit)
1117 \details Executes a Unprivileged STRT instruction for 8 bit values.
1118 \param [in] value Value to store
1119 \param [in] ptr Pointer to location
1121 __attribute__((always_inline)) __STATIC_INLINE void __STRBT(uint8_t value, volatile uint8_t *ptr)
1123 __ASM volatile ("strbt %1, %0" : "=Q" (*ptr) : "r" ((uint32_t)value) );
1128 \brief STRT Unprivileged (16 bit)
1129 \details Executes a Unprivileged STRT instruction for 16 bit values.
1130 \param [in] value Value to store
1131 \param [in] ptr Pointer to location
1133 __attribute__((always_inline)) __STATIC_INLINE void __STRHT(uint16_t value, volatile uint16_t *ptr)
1135 __ASM volatile ("strht %1, %0" : "=Q" (*ptr) : "r" ((uint32_t)value) );
1140 \brief STRT Unprivileged (32 bit)
1141 \details Executes a Unprivileged STRT instruction for 32 bit values.
1142 \param [in] value Value to store
1143 \param [in] ptr Pointer to location
1145 __attribute__((always_inline)) __STATIC_INLINE void __STRT(uint32_t value, volatile uint32_t *ptr)
1147 __ASM volatile ("strt %1, %0" : "=Q" (*ptr) : "r" (value) );
1150 #endif /* ((defined (__ARM_ARCH_7M__ ) && (__ARM_ARCH_7M__ == 1)) || \
1151 (defined (__ARM_ARCH_7EM__ ) && (__ARM_ARCH_7EM__ == 1)) || \
1152 (defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)) ) */
1155 #if ((defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)) || \
1156 (defined (__ARM_ARCH_8M_BASE__ ) && (__ARM_ARCH_8M_BASE__ == 1)) )
1158 \brief Load-Acquire (8 bit)
1159 \details Executes a LDAB instruction for 8 bit value.
1160 \param [in] ptr Pointer to data
1161 \return value of type uint8_t at (*ptr)
1163 __attribute__((always_inline)) __STATIC_INLINE uint8_t __LDAB(volatile uint8_t *ptr)
1167 __ASM volatile ("ldab %0, %1" : "=r" (result) : "Q" (*ptr) );
1168 return ((uint8_t) result);
1173 \brief Load-Acquire (16 bit)
1174 \details Executes a LDAH instruction for 16 bit values.
1175 \param [in] ptr Pointer to data
1176 \return value of type uint16_t at (*ptr)
1178 __attribute__((always_inline)) __STATIC_INLINE uint16_t __LDAH(volatile uint16_t *ptr)
1182 __ASM volatile ("ldah %0, %1" : "=r" (result) : "Q" (*ptr) );
1183 return ((uint16_t) result);
1188 \brief Load-Acquire (32 bit)
1189 \details Executes a LDA instruction for 32 bit values.
1190 \param [in] ptr Pointer to data
1191 \return value of type uint32_t at (*ptr)
1193 __attribute__((always_inline)) __STATIC_INLINE uint32_t __LDA(volatile uint32_t *ptr)
1197 __ASM volatile ("lda %0, %1" : "=r" (result) : "Q" (*ptr) );
1203 \brief Store-Release (8 bit)
1204 \details Executes a STLB instruction for 8 bit values.
1205 \param [in] value Value to store
1206 \param [in] ptr Pointer to location
1208 __attribute__((always_inline)) __STATIC_INLINE void __STLB(uint8_t value, volatile uint8_t *ptr)
1210 __ASM volatile ("stlb %1, %0" : "=Q" (*ptr) : "r" ((uint32_t)value) );
1215 \brief Store-Release (16 bit)
1216 \details Executes a STLH instruction for 16 bit values.
1217 \param [in] value Value to store
1218 \param [in] ptr Pointer to location
1220 __attribute__((always_inline)) __STATIC_INLINE void __STLH(uint16_t value, volatile uint16_t *ptr)
1222 __ASM volatile ("stlh %1, %0" : "=Q" (*ptr) : "r" ((uint32_t)value) );
1227 \brief Store-Release (32 bit)
1228 \details Executes a STL instruction for 32 bit values.
1229 \param [in] value Value to store
1230 \param [in] ptr Pointer to location
1232 __attribute__((always_inline)) __STATIC_INLINE void __STL(uint32_t value, volatile uint32_t *ptr)
1234 __ASM volatile ("stl %1, %0" : "=Q" (*ptr) : "r" ((uint32_t)value) );
1239 \brief Load-Acquire Exclusive (8 bit)
1240 \details Executes a LDAB exclusive instruction for 8 bit value.
1241 \param [in] ptr Pointer to data
1242 \return value of type uint8_t at (*ptr)
1244 __attribute__((always_inline)) __STATIC_INLINE uint8_t __LDAEXB(volatile uint8_t *ptr)
1248 __ASM volatile ("ldaexb %0, %1" : "=r" (result) : "Q" (*ptr) );
1249 return ((uint8_t) result);
1254 \brief Load-Acquire Exclusive (16 bit)
1255 \details Executes a LDAH exclusive instruction for 16 bit values.
1256 \param [in] ptr Pointer to data
1257 \return value of type uint16_t at (*ptr)
1259 __attribute__((always_inline)) __STATIC_INLINE uint16_t __LDAEXH(volatile uint16_t *ptr)
1263 __ASM volatile ("ldaexh %0, %1" : "=r" (result) : "Q" (*ptr) );
1264 return ((uint16_t) result);
1269 \brief Load-Acquire Exclusive (32 bit)
1270 \details Executes a LDA exclusive instruction for 32 bit values.
1271 \param [in] ptr Pointer to data
1272 \return value of type uint32_t at (*ptr)
1274 __attribute__((always_inline)) __STATIC_INLINE uint32_t __LDAEX(volatile uint32_t *ptr)
1278 __ASM volatile ("ldaex %0, %1" : "=r" (result) : "Q" (*ptr) );
1284 \brief Store-Release Exclusive (8 bit)
1285 \details Executes a STLB exclusive instruction for 8 bit values.
1286 \param [in] value Value to store
1287 \param [in] ptr Pointer to location
1288 \return 0 Function succeeded
1289 \return 1 Function failed
1291 __attribute__((always_inline)) __STATIC_INLINE uint32_t __STLEXB(uint8_t value, volatile uint8_t *ptr)
1295 __ASM volatile ("stlexb %0, %2, %1" : "=&r" (result), "=Q" (*ptr) : "r" ((uint32_t)value) );
1301 \brief Store-Release Exclusive (16 bit)
1302 \details Executes a STLH exclusive instruction for 16 bit values.
1303 \param [in] value Value to store
1304 \param [in] ptr Pointer to location
1305 \return 0 Function succeeded
1306 \return 1 Function failed
1308 __attribute__((always_inline)) __STATIC_INLINE uint32_t __STLEXH(uint16_t value, volatile uint16_t *ptr)
1312 __ASM volatile ("stlexh %0, %2, %1" : "=&r" (result), "=Q" (*ptr) : "r" ((uint32_t)value) );
1318 \brief Store-Release Exclusive (32 bit)
1319 \details Executes a STL exclusive instruction for 32 bit values.
1320 \param [in] value Value to store
1321 \param [in] ptr Pointer to location
1322 \return 0 Function succeeded
1323 \return 1 Function failed
1325 __attribute__((always_inline)) __STATIC_INLINE uint32_t __STLEX(uint32_t value, volatile uint32_t *ptr)
1329 __ASM volatile ("stlex %0, %2, %1" : "=&r" (result), "=Q" (*ptr) : "r" ((uint32_t)value) );
1333 #endif /* ((defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)) || \
1334 (defined (__ARM_ARCH_8M_BASE__ ) && (__ARM_ARCH_8M_BASE__ == 1)) ) */
1336 /*@}*/ /* end of group CMSIS_Core_InstructionInterface */
1339 /* ################### Compiler specific Intrinsics ########################### */
1340 /** \defgroup CMSIS_SIMD_intrinsics CMSIS SIMD Intrinsics
1341 Access to dedicated SIMD instructions
1345 #if (__ARM_FEATURE_DSP == 1) /* ToDo ARMCLANG: This should be ARCH >= ARMv7-M + SIMD */
1347 __attribute__((always_inline)) __STATIC_INLINE uint32_t __SADD8(uint32_t op1, uint32_t op2)
1351 __ASM volatile ("sadd8 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1355 __attribute__((always_inline)) __STATIC_INLINE uint32_t __QADD8(uint32_t op1, uint32_t op2)
1359 __ASM volatile ("qadd8 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1363 __attribute__((always_inline)) __STATIC_INLINE uint32_t __SHADD8(uint32_t op1, uint32_t op2)
1367 __ASM volatile ("shadd8 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1371 __attribute__((always_inline)) __STATIC_INLINE uint32_t __UADD8(uint32_t op1, uint32_t op2)
1375 __ASM volatile ("uadd8 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1379 __attribute__((always_inline)) __STATIC_INLINE uint32_t __UQADD8(uint32_t op1, uint32_t op2)
1383 __ASM volatile ("uqadd8 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1387 __attribute__((always_inline)) __STATIC_INLINE uint32_t __UHADD8(uint32_t op1, uint32_t op2)
1391 __ASM volatile ("uhadd8 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1396 __attribute__((always_inline)) __STATIC_INLINE uint32_t __SSUB8(uint32_t op1, uint32_t op2)
1400 __ASM volatile ("ssub8 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1404 __attribute__((always_inline)) __STATIC_INLINE uint32_t __QSUB8(uint32_t op1, uint32_t op2)
1408 __ASM volatile ("qsub8 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1412 __attribute__((always_inline)) __STATIC_INLINE uint32_t __SHSUB8(uint32_t op1, uint32_t op2)
1416 __ASM volatile ("shsub8 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1420 __attribute__((always_inline)) __STATIC_INLINE uint32_t __USUB8(uint32_t op1, uint32_t op2)
1424 __ASM volatile ("usub8 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1428 __attribute__((always_inline)) __STATIC_INLINE uint32_t __UQSUB8(uint32_t op1, uint32_t op2)
1432 __ASM volatile ("uqsub8 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1436 __attribute__((always_inline)) __STATIC_INLINE uint32_t __UHSUB8(uint32_t op1, uint32_t op2)
1440 __ASM volatile ("uhsub8 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1445 __attribute__((always_inline)) __STATIC_INLINE uint32_t __SADD16(uint32_t op1, uint32_t op2)
1449 __ASM volatile ("sadd16 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1453 __attribute__((always_inline)) __STATIC_INLINE uint32_t __QADD16(uint32_t op1, uint32_t op2)
1457 __ASM volatile ("qadd16 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1461 __attribute__((always_inline)) __STATIC_INLINE uint32_t __SHADD16(uint32_t op1, uint32_t op2)
1465 __ASM volatile ("shadd16 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1469 __attribute__((always_inline)) __STATIC_INLINE uint32_t __UADD16(uint32_t op1, uint32_t op2)
1473 __ASM volatile ("uadd16 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1477 __attribute__((always_inline)) __STATIC_INLINE uint32_t __UQADD16(uint32_t op1, uint32_t op2)
1481 __ASM volatile ("uqadd16 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1485 __attribute__((always_inline)) __STATIC_INLINE uint32_t __UHADD16(uint32_t op1, uint32_t op2)
1489 __ASM volatile ("uhadd16 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1493 __attribute__((always_inline)) __STATIC_INLINE uint32_t __SSUB16(uint32_t op1, uint32_t op2)
1497 __ASM volatile ("ssub16 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1501 __attribute__((always_inline)) __STATIC_INLINE uint32_t __QSUB16(uint32_t op1, uint32_t op2)
1505 __ASM volatile ("qsub16 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1509 __attribute__((always_inline)) __STATIC_INLINE uint32_t __SHSUB16(uint32_t op1, uint32_t op2)
1513 __ASM volatile ("shsub16 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1517 __attribute__((always_inline)) __STATIC_INLINE uint32_t __USUB16(uint32_t op1, uint32_t op2)
1521 __ASM volatile ("usub16 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1525 __attribute__((always_inline)) __STATIC_INLINE uint32_t __UQSUB16(uint32_t op1, uint32_t op2)
1529 __ASM volatile ("uqsub16 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1533 __attribute__((always_inline)) __STATIC_INLINE uint32_t __UHSUB16(uint32_t op1, uint32_t op2)
1537 __ASM volatile ("uhsub16 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1541 __attribute__((always_inline)) __STATIC_INLINE uint32_t __SASX(uint32_t op1, uint32_t op2)
1545 __ASM volatile ("sasx %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1549 __attribute__((always_inline)) __STATIC_INLINE uint32_t __QASX(uint32_t op1, uint32_t op2)
1553 __ASM volatile ("qasx %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1557 __attribute__((always_inline)) __STATIC_INLINE uint32_t __SHASX(uint32_t op1, uint32_t op2)
1561 __ASM volatile ("shasx %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1565 __attribute__((always_inline)) __STATIC_INLINE uint32_t __UASX(uint32_t op1, uint32_t op2)
1569 __ASM volatile ("uasx %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1573 __attribute__((always_inline)) __STATIC_INLINE uint32_t __UQASX(uint32_t op1, uint32_t op2)
1577 __ASM volatile ("uqasx %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1581 __attribute__((always_inline)) __STATIC_INLINE uint32_t __UHASX(uint32_t op1, uint32_t op2)
1585 __ASM volatile ("uhasx %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1589 __attribute__((always_inline)) __STATIC_INLINE uint32_t __SSAX(uint32_t op1, uint32_t op2)
1593 __ASM volatile ("ssax %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1597 __attribute__((always_inline)) __STATIC_INLINE uint32_t __QSAX(uint32_t op1, uint32_t op2)
1601 __ASM volatile ("qsax %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1605 __attribute__((always_inline)) __STATIC_INLINE uint32_t __SHSAX(uint32_t op1, uint32_t op2)
1609 __ASM volatile ("shsax %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1613 __attribute__((always_inline)) __STATIC_INLINE uint32_t __USAX(uint32_t op1, uint32_t op2)
1617 __ASM volatile ("usax %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1621 __attribute__((always_inline)) __STATIC_INLINE uint32_t __UQSAX(uint32_t op1, uint32_t op2)
1625 __ASM volatile ("uqsax %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1629 __attribute__((always_inline)) __STATIC_INLINE uint32_t __UHSAX(uint32_t op1, uint32_t op2)
1633 __ASM volatile ("uhsax %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1637 __attribute__((always_inline)) __STATIC_INLINE uint32_t __USAD8(uint32_t op1, uint32_t op2)
1641 __ASM volatile ("usad8 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1645 __attribute__((always_inline)) __STATIC_INLINE uint32_t __USADA8(uint32_t op1, uint32_t op2, uint32_t op3)
1649 __ASM volatile ("usada8 %0, %1, %2, %3" : "=r" (result) : "r" (op1), "r" (op2), "r" (op3) );
1653 #define __SSAT16(ARG1,ARG2) \
1655 int32_t __RES, __ARG1 = (ARG1); \
1656 __ASM ("ssat16 %0, %1, %2" : "=r" (__RES) : "I" (ARG2), "r" (__ARG1) ); \
1660 #define __USAT16(ARG1,ARG2) \
1662 uint32_t __RES, __ARG1 = (ARG1); \
1663 __ASM ("usat16 %0, %1, %2" : "=r" (__RES) : "I" (ARG2), "r" (__ARG1) ); \
1667 __attribute__((always_inline)) __STATIC_INLINE uint32_t __UXTB16(uint32_t op1)
1671 __ASM volatile ("uxtb16 %0, %1" : "=r" (result) : "r" (op1));
1675 __attribute__((always_inline)) __STATIC_INLINE uint32_t __UXTAB16(uint32_t op1, uint32_t op2)
1679 __ASM volatile ("uxtab16 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1683 __attribute__((always_inline)) __STATIC_INLINE uint32_t __SXTB16(uint32_t op1)
1687 __ASM volatile ("sxtb16 %0, %1" : "=r" (result) : "r" (op1));
1691 __attribute__((always_inline)) __STATIC_INLINE uint32_t __SXTAB16(uint32_t op1, uint32_t op2)
1695 __ASM volatile ("sxtab16 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1699 __attribute__((always_inline)) __STATIC_INLINE uint32_t __SMUAD (uint32_t op1, uint32_t op2)
1703 __ASM volatile ("smuad %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1707 __attribute__((always_inline)) __STATIC_INLINE uint32_t __SMUADX (uint32_t op1, uint32_t op2)
1711 __ASM volatile ("smuadx %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1715 __attribute__((always_inline)) __STATIC_INLINE uint32_t __SMLAD (uint32_t op1, uint32_t op2, uint32_t op3)
1719 __ASM volatile ("smlad %0, %1, %2, %3" : "=r" (result) : "r" (op1), "r" (op2), "r" (op3) );
1723 __attribute__((always_inline)) __STATIC_INLINE uint32_t __SMLADX (uint32_t op1, uint32_t op2, uint32_t op3)
1727 __ASM volatile ("smladx %0, %1, %2, %3" : "=r" (result) : "r" (op1), "r" (op2), "r" (op3) );
1731 __attribute__((always_inline)) __STATIC_INLINE uint64_t __SMLALD (uint32_t op1, uint32_t op2, uint64_t acc)
1739 #ifndef __ARMEB__ /* Little endian */
1740 __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]) );
1741 #else /* Big endian */
1742 __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]) );
1748 __attribute__((always_inline)) __STATIC_INLINE uint64_t __SMLALDX (uint32_t op1, uint32_t op2, uint64_t acc)
1756 #ifndef __ARMEB__ /* Little endian */
1757 __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]) );
1758 #else /* Big endian */
1759 __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]) );
1765 __attribute__((always_inline)) __STATIC_INLINE uint32_t __SMUSD (uint32_t op1, uint32_t op2)
1769 __ASM volatile ("smusd %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1773 __attribute__((always_inline)) __STATIC_INLINE uint32_t __SMUSDX (uint32_t op1, uint32_t op2)
1777 __ASM volatile ("smusdx %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1781 __attribute__((always_inline)) __STATIC_INLINE uint32_t __SMLSD (uint32_t op1, uint32_t op2, uint32_t op3)
1785 __ASM volatile ("smlsd %0, %1, %2, %3" : "=r" (result) : "r" (op1), "r" (op2), "r" (op3) );
1789 __attribute__((always_inline)) __STATIC_INLINE uint32_t __SMLSDX (uint32_t op1, uint32_t op2, uint32_t op3)
1793 __ASM volatile ("smlsdx %0, %1, %2, %3" : "=r" (result) : "r" (op1), "r" (op2), "r" (op3) );
1797 __attribute__((always_inline)) __STATIC_INLINE uint64_t __SMLSLD (uint32_t op1, uint32_t op2, uint64_t acc)
1805 #ifndef __ARMEB__ /* Little endian */
1806 __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]) );
1807 #else /* Big endian */
1808 __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]) );
1814 __attribute__((always_inline)) __STATIC_INLINE uint64_t __SMLSLDX (uint32_t op1, uint32_t op2, uint64_t acc)
1822 #ifndef __ARMEB__ /* Little endian */
1823 __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]) );
1824 #else /* Big endian */
1825 __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]) );
1831 __attribute__((always_inline)) __STATIC_INLINE uint32_t __SEL (uint32_t op1, uint32_t op2)
1835 __ASM volatile ("sel %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1839 __attribute__((always_inline)) __STATIC_INLINE int32_t __QADD( int32_t op1, int32_t op2)
1843 __ASM volatile ("qadd %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1847 __attribute__((always_inline)) __STATIC_INLINE int32_t __QSUB( int32_t op1, int32_t op2)
1851 __ASM volatile ("qsub %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1856 #define __PKHBT(ARG1,ARG2,ARG3) \
1858 uint32_t __RES, __ARG1 = (ARG1), __ARG2 = (ARG2); \
1859 __ASM ("pkhbt %0, %1, %2, lsl %3" : "=r" (__RES) : "r" (__ARG1), "r" (__ARG2), "I" (ARG3) ); \
1863 #define __PKHTB(ARG1,ARG2,ARG3) \
1865 uint32_t __RES, __ARG1 = (ARG1), __ARG2 = (ARG2); \
1867 __ASM ("pkhtb %0, %1, %2" : "=r" (__RES) : "r" (__ARG1), "r" (__ARG2) ); \
1869 __ASM ("pkhtb %0, %1, %2, asr %3" : "=r" (__RES) : "r" (__ARG1), "r" (__ARG2), "I" (ARG3) ); \
1874 #define __PKHBT(ARG1,ARG2,ARG3) ( ((((uint32_t)(ARG1)) ) & 0x0000FFFFUL) | \
1875 ((((uint32_t)(ARG2)) << (ARG3)) & 0xFFFF0000UL) )
1877 #define __PKHTB(ARG1,ARG2,ARG3) ( ((((uint32_t)(ARG1)) ) & 0xFFFF0000UL) | \
1878 ((((uint32_t)(ARG2)) >> (ARG3)) & 0x0000FFFFUL) )
1880 __attribute__((always_inline)) __STATIC_INLINE int32_t __SMMLA (int32_t op1, int32_t op2, int32_t op3)
1884 __ASM volatile ("smmla %0, %1, %2, %3" : "=r" (result): "r" (op1), "r" (op2), "r" (op3) );
1888 #endif /* (__ARM_FEATURE_DSP == 1) */
1889 /*@} end of group CMSIS_SIMD_intrinsics */
1892 #pragma GCC diagnostic pop
1894 #endif /* __CMSIS_GCC_H */