1 /**************************************************************************//**
3 * @brief CMSIS Cortex-M Core Function/Instruction Header File
5 * @date 07. September 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 * http://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 == 3U))
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 const control)
130 __ASM volatile ("MSR control, %0" : : "r" (control) : "memory");
134 #if (defined (__ARM_FEATURE_CMSE ) && (__ARM_FEATURE_CMSE == 3U))
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 const 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 == 3U))
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 const topOfProcStack)
226 __ASM volatile ("MSR psp, %0" : : "r" (topOfProcStack) : "sp");
230 #if (defined (__ARM_FEATURE_CMSE ) && (__ARM_FEATURE_CMSE == 3U))
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 const 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 == 3U))
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 const topOfMainStack)
280 __ASM volatile ("MSR msp, %0" : : "r" (topOfMainStack) : "sp");
284 #if (defined (__ARM_FEATURE_CMSE ) && (__ARM_FEATURE_CMSE == 3U))
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 const 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 == 3U))
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 const priMask)
334 __ASM volatile ("MSR primask, %0" : : "r" (priMask) : "memory");
338 #if (defined (__ARM_FEATURE_CMSE ) && (__ARM_FEATURE_CMSE == 3U))
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 const priMask)
346 __ASM volatile ("MSR primask_ns, %0" : : "r" (priMask) : "memory");
351 #if ((defined (__ARM_ARCH_7M__ ) && (__ARM_ARCH_7M__ == 1U)) || \
352 (defined (__ARM_ARCH_7EM__ ) && (__ARM_ARCH_7EM__ == 1U)) || \
353 (defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1U)) )
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 == 3U))
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 const basePri)
413 __ASM volatile ("MSR basepri, %0" : : "r" (basePri) : "memory");
417 #if (defined (__ARM_FEATURE_CMSE ) && (__ARM_FEATURE_CMSE == 3U))
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 const 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 const 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 == 3U))
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 const faultMask)
479 __ASM volatile ("MSR faultmask, %0" : : "r" (faultMask) : "memory");
483 #if (defined (__ARM_FEATURE_CMSE ) && (__ARM_FEATURE_CMSE == 3U))
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 const faultMask)
491 __ASM volatile ("MSR faultmask_ns, %0" : : "r" (faultMask) : "memory");
495 #endif /* ((defined (__ARM_ARCH_7M__ ) && (__ARM_ARCH_7M__ == 1U)) || \
496 (defined (__ARM_ARCH_7EM__ ) && (__ARM_ARCH_7EM__ == 1U)) || \
497 (defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1U)) ) */
500 #if ((__ARM_ARCH_8M_MAIN__ == 1U) || (__ARM_ARCH_8M_BASE__ == 1U))
503 \brief Get Process Stack Pointer Limit
504 \details Returns the current value of the Process Stack Pointer Limit (PSPLIM).
505 \return PSPLIM Register value
507 __attribute__((always_inline)) __STATIC_INLINE uint32_t __get_PSPLIM(void)
509 register uint32_t result;
511 __ASM volatile ("MRS %0, psplim" : "=r" (result) );
516 #if ((defined (__ARM_FEATURE_CMSE ) && (__ARM_FEATURE_CMSE == 3U)) && \
517 (defined (__ARM_ARCH_8M_MAIN__) && (__ARM_ARCH_8M_MAIN__ == 1U)) )
519 \brief Get Process Stack Pointer Limit (non-secure)
520 \details Returns the current value of the non-secure Process Stack Pointer Limit (PSPLIM) when in secure state.
521 \return PSPLIM Register value
523 __attribute__((always_inline)) __STATIC_INLINE uint32_t __TZ_get_PSPLIM_NS(void)
525 register uint32_t result;
527 __ASM volatile ("MRS %0, psplim_ns" : "=r" (result) );
534 \brief Set Process Stack Pointer Limit
535 \details Assigns the given value to the Process Stack Pointer Limit (PSPLIM).
536 \param [in] ProcStackPtrLimit Process Stack Pointer Limit value to set
538 __attribute__((always_inline)) __STATIC_INLINE void __set_PSPLIM(uint32_t const ProcStackPtrLimit)
540 __ASM volatile ("MSR psplim, %0" : : "r" (ProcStackPtrLimit));
544 #if ((defined (__ARM_FEATURE_CMSE ) && (__ARM_FEATURE_CMSE == 3U)) && \
545 (defined (__ARM_ARCH_8M_MAIN__) && (__ARM_ARCH_8M_MAIN__ == 1U)) )
547 \brief Set Process Stack Pointer (non-secure)
548 \details Assigns the given value to the non-secure Process Stack Pointer Limit (PSPLIM) when in secure state.
549 \param [in] ProcStackPtrLimit Process Stack Pointer Limit value to set
551 __attribute__((always_inline)) __STATIC_INLINE void __TZ_set_PSPLIM_NS(uint32_t const ProcStackPtrLimit)
553 __ASM volatile ("MSR psplim_ns, %0\n" : : "r" (ProcStackPtrLimit));
559 \brief Get Main Stack Pointer Limit
560 \details Returns the current value of the Main Stack Pointer Limit (MSPLIM).
561 \return MSPLIM Register value
563 __attribute__((always_inline)) __STATIC_INLINE uint32_t __get_MSPLIM(void)
565 register uint32_t result;
567 __ASM volatile ("MRS %0, msplim" : "=r" (result) );
573 #if ((defined (__ARM_FEATURE_CMSE ) && (__ARM_FEATURE_CMSE == 3U)) && \
574 (defined (__ARM_ARCH_8M_MAIN__) && (__ARM_ARCH_8M_MAIN__ == 1U)) )
576 \brief Get Main Stack Pointer Limit (non-secure)
577 \details Returns the current value of the non-secure Main Stack Pointer Limit(MSPLIM) when in secure state.
578 \return MSPLIM Register value
580 __attribute__((always_inline)) __STATIC_INLINE uint32_t __TZ_get_MSPLIM_NS(void)
582 register uint32_t result;
584 __ASM volatile ("MRS %0, msplim_ns" : "=r" (result) );
591 \brief Set Main Stack Pointer Limit
592 \details Assigns the given value to the Main Stack Pointer Limit (MSPLIM).
593 \param [in] MainStackPtrLimit Main Stack Pointer Limit value to set
595 __attribute__((always_inline)) __STATIC_INLINE void __set_MSPLIM(uint32_t const MainStackPtrLimit)
597 __ASM volatile ("MSR msplim, %0" : : "r" (MainStackPtrLimit));
601 #if ((defined (__ARM_FEATURE_CMSE ) && (__ARM_FEATURE_CMSE == 3U)) && \
602 (defined (__ARM_ARCH_8M_MAIN__) && (__ARM_ARCH_8M_MAIN__ == 1U)) )
604 \brief Set Main Stack Pointer Limit (non-secure)
605 \details Assigns the given value to the non-secure Main Stack Pointer Limit (MSPLIM) when in secure state.
606 \param [in] MainStackPtrLimit Main Stack Pointer value to set
608 __attribute__((always_inline)) __STATIC_INLINE void __TZ_set_MSPLIM_NS(uint32_t const MainStackPtrLimit)
610 __ASM volatile ("MSR msplim_ns, %0" : : "r" (MainStackPtrLimit));
614 #endif /* ((__ARM_ARCH_8M_MAIN__ == 1U) || (__ARM_ARCH_8M_BASE__ == 1U)) */
617 #if ((defined (__ARM_ARCH_7EM__ ) && (__ARM_ARCH_7EM__ == 1U)) || \
618 (defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1U)) )
622 \details Returns the current value of the Floating Point Status/Control register.
623 \return Floating Point Status/Control register value
625 __attribute__((always_inline)) __STATIC_INLINE uint32_t __get_FPSCR(void)
627 #if ((defined (__FPU_PRESENT) && (__FPU_PRESENT == 1U)) && \
628 (defined (__FPU_USED ) && (__FPU_USED == 1U)) )
631 __ASM volatile (""); /* Empty asm statement works as a scheduling barrier */
632 __ASM volatile ("VMRS %0, fpscr" : "=r" (result) );
643 \details Assigns the given value to the Floating Point Status/Control register.
644 \param [in] fpscr Floating Point Status/Control value to set
646 __attribute__((always_inline)) __STATIC_INLINE void __set_FPSCR(uint32_t const fpscr)
648 #if ((defined (__FPU_PRESENT) && (__FPU_PRESENT == 1U)) && \
649 (defined (__FPU_USED ) && (__FPU_USED == 1U)) )
650 __ASM volatile (""); /* Empty asm statement works as a scheduling barrier */
651 __ASM volatile ("VMSR fpscr, %0" : : "r" (fpscr) : "vfpcc");
656 #endif /* ((__ARM_ARCH_7EM__ == 1U) || (__ARM_ARCH_8M_MAIN__ == 1U)) */
660 /*@} end of CMSIS_Core_RegAccFunctions */
663 /* ########################## Core Instruction Access ######################### */
664 /** \defgroup CMSIS_Core_InstructionInterface CMSIS Core Instruction Interface
665 Access to dedicated instructions
669 /* Define macros for porting to both thumb1 and thumb2.
670 * For thumb1, use low register (r0-r7), specified by constraint "l"
671 * Otherwise, use general registers, specified by constraint "r" */
672 #if defined (__thumb__) && !defined (__thumb2__)
673 #define __CMSIS_GCC_OUT_REG(r) "=l" (r)
674 #define __CMSIS_GCC_USE_REG(r) "l" (r)
676 #define __CMSIS_GCC_OUT_REG(r) "=r" (r)
677 #define __CMSIS_GCC_USE_REG(r) "r" (r)
682 \details No Operation does nothing. This instruction can be used for code alignment purposes.
684 //__attribute__((always_inline)) __STATIC_INLINE void __NOP(void)
686 // __ASM volatile ("nop");
688 #define __NOP() __ASM volatile ("nop") /* This implementation generates debug information */
691 \brief Wait For Interrupt
692 \details Wait For Interrupt is a hint instruction that suspends execution until one of a number of events occurs.
694 //__attribute__((always_inline)) __STATIC_INLINE void __WFI(void)
696 // __ASM volatile ("wfi");
698 #define __WFI() __ASM volatile ("wfi") /* This implementation generates debug information */
702 \brief Wait For Event
703 \details Wait For Event is a hint instruction that permits the processor to enter
704 a low-power state until one of a number of events occurs.
706 //__attribute__((always_inline)) __STATIC_INLINE void __WFE(void)
708 // __ASM volatile ("wfe");
710 #define __WFE() __ASM volatile ("wfe") /* This implementation generates debug information */
715 \details Send Event is a hint instruction. It causes an event to be signaled to the CPU.
717 //__attribute__((always_inline)) __STATIC_INLINE void __SEV(void)
719 // __ASM volatile ("sev");
721 #define __SEV() __ASM volatile ("sev") /* This implementation generates debug information */
725 \brief Instruction Synchronization Barrier
726 \details Instruction Synchronization Barrier flushes the pipeline in the processor,
727 so that all instructions following the ISB are fetched from cache or memory,
728 after the instruction has been completed.
730 __attribute__((always_inline)) __STATIC_INLINE void __ISB(void)
732 __ASM volatile ("isb 0xF":::"memory");
737 \brief Data Synchronization Barrier
738 \details Acts as a special kind of Data Memory Barrier.
739 It completes when all explicit memory accesses before this instruction complete.
741 __attribute__((always_inline)) __STATIC_INLINE void __DSB(void)
743 __ASM volatile ("dsb 0xF":::"memory");
748 \brief Data Memory Barrier
749 \details Ensures the apparent order of the explicit memory operations before
750 and after the instruction, without ensuring their completion.
752 __attribute__((always_inline)) __STATIC_INLINE void __DMB(void)
754 __ASM volatile ("dmb 0xF":::"memory");
759 \brief Reverse byte order (32 bit)
760 \details Reverses the byte order in integer value.
761 \param [in] value Value to reverse
762 \return Reversed value
764 __attribute__((always_inline)) __STATIC_INLINE uint32_t __REV(uint32_t value)
766 #if (__GNUC__ > 4) || (__GNUC__ == 4 && __GNUC_MINOR__ >= 5)
767 return __builtin_bswap32(value);
771 __ASM volatile ("rev %0, %1" : __CMSIS_GCC_OUT_REG (result) : __CMSIS_GCC_USE_REG (value) );
778 \brief Reverse byte order (16 bit)
779 \details Reverses the byte order in two unsigned short values.
780 \param [in] value Value to reverse
781 \return Reversed value
783 __attribute__((always_inline)) __STATIC_INLINE uint32_t __REV16(uint32_t const value)
787 __ASM volatile ("rev16 %0, %1" : __CMSIS_GCC_OUT_REG (result) : __CMSIS_GCC_USE_REG (value) );
793 \brief Reverse byte order in signed short value
794 \details Reverses the byte order in a signed short value with sign extension to integer.
795 \param [in] value Value to reverse
796 \return Reversed value
798 __attribute__((always_inline)) __STATIC_INLINE int32_t __REVSH(int32_t const value)
800 #if (__GNUC__ > 4) || (__GNUC__ == 4 && __GNUC_MINOR__ >= 8)
801 return (short)__builtin_bswap16(value);
805 __ASM volatile ("revsh %0, %1" : __CMSIS_GCC_OUT_REG (result) : __CMSIS_GCC_USE_REG (value) );
812 \brief Rotate Right in unsigned value (32 bit)
813 \details Rotate Right (immediate) provides the value of the contents of a register rotated by a variable number of bits.
814 \param [in] op1 Value to rotate
815 \param [in] op2 Number of Bits to rotate
816 \return Rotated value
818 __attribute__((always_inline)) __STATIC_INLINE uint32_t __ROR(uint32_t const op1, uint32_t const op2)
820 return (op1 >> op2) | (op1 << (32U - op2));
826 \details Causes the processor to enter Debug state.
827 Debug tools can use this to investigate system state when the instruction at a particular address is reached.
828 \param [in] value is ignored by the processor.
829 If required, a debugger can use it to store additional information about the breakpoint.
831 #define __BKPT(value) __ASM volatile ("bkpt "#value)
835 \brief Reverse bit order of value
836 \details Reverses the bit order of the given value.
837 \param [in] value Value to reverse
838 \return Reversed value
840 __attribute__((always_inline)) __STATIC_INLINE uint32_t __RBIT(uint32_t value)
844 #if ((defined (__ARM_ARCH_7M__ ) && (__ARM_ARCH_7M__ == 1U)) || \
845 (defined (__ARM_ARCH_7EM__ ) && (__ARM_ARCH_7EM__ == 1U)) || \
846 (defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1U)) )
847 __ASM volatile ("rbit %0, %1" : "=r" (result) : "r" (value) );
849 int32_t s = 4 /*sizeof(v)*/ * 8 - 1; /* extra shift needed at end */
851 result = value; /* r will be reversed bits of v; first get LSB of v */
852 for (value >>= 1U; value; value >>= 1U)
855 result |= value & 1U;
858 result <<= s; /* shift when v's highest bits are zero */
865 \brief Count leading zeros
866 \details Counts the number of leading zeros of a data value.
867 \param [in] value Value to count the leading zeros
868 \return number of leading zeros in value
870 #define __CLZ __builtin_clz
873 #if ((defined (__ARM_ARCH_7M__ ) && (__ARM_ARCH_7M__ == 1U)) || \
874 (defined (__ARM_ARCH_7EM__ ) && (__ARM_ARCH_7EM__ == 1U)) || \
875 (defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1U)) || \
876 (defined (__ARM_ARCH_8M_BASE__ ) && (__ARM_ARCH_8M_BASE__ == 1U)) )
878 \brief LDR Exclusive (8 bit)
879 \details Executes a exclusive LDR instruction for 8 bit value.
880 \param [in] ptr Pointer to data
881 \return value of type uint8_t at (*ptr)
883 __attribute__((always_inline)) __STATIC_INLINE uint8_t __LDREXB(volatile uint8_t *addr)
887 #if (__GNUC__ > 4) || (__GNUC__ == 4 && __GNUC_MINOR__ >= 8)
888 __ASM volatile ("ldrexb %0, %1" : "=r" (result) : "Q" (*addr) );
890 /* Prior to GCC 4.8, "Q" will be expanded to [rx, #0] which is not
891 accepted by assembler. So has to use following less efficient pattern.
893 __ASM volatile ("ldrexb %0, [%1]" : "=r" (result) : "r" (addr) : "memory" );
895 return ((uint8_t) result); /* Add explicit type cast here */
900 \brief LDR Exclusive (16 bit)
901 \details Executes a exclusive LDR instruction for 16 bit values.
902 \param [in] ptr Pointer to data
903 \return value of type uint16_t at (*ptr)
905 __attribute__((always_inline)) __STATIC_INLINE uint16_t __LDREXH(volatile uint16_t *addr)
909 #if (__GNUC__ > 4) || (__GNUC__ == 4 && __GNUC_MINOR__ >= 8)
910 __ASM volatile ("ldrexh %0, %1" : "=r" (result) : "Q" (*addr) );
912 /* Prior to GCC 4.8, "Q" will be expanded to [rx, #0] which is not
913 accepted by assembler. So has to use following less efficient pattern.
915 __ASM volatile ("ldrexh %0, [%1]" : "=r" (result) : "r" (addr) : "memory" );
917 return ((uint16_t) result); /* Add explicit type cast here */
922 \brief LDR Exclusive (32 bit)
923 \details Executes a exclusive LDR instruction for 32 bit values.
924 \param [in] ptr Pointer to data
925 \return value of type uint32_t at (*ptr)
927 __attribute__((always_inline)) __STATIC_INLINE uint32_t __LDREXW(volatile uint32_t *addr)
931 __ASM volatile ("ldrex %0, %1" : "=r" (result) : "Q" (*addr) );
937 \brief STR Exclusive (8 bit)
938 \details Executes a exclusive STR instruction for 8 bit values.
939 \param [in] value Value to store
940 \param [in] ptr Pointer to location
941 \return 0 Function succeeded
942 \return 1 Function failed
944 __attribute__((always_inline)) __STATIC_INLINE uint32_t __STREXB(uint8_t value, volatile uint8_t *addr)
948 __ASM volatile ("strexb %0, %2, %1" : "=&r" (result), "=Q" (*addr) : "r" ((uint32_t)value) );
954 \brief STR Exclusive (16 bit)
955 \details Executes a exclusive STR instruction for 16 bit values.
956 \param [in] value Value to store
957 \param [in] ptr Pointer to location
958 \return 0 Function succeeded
959 \return 1 Function failed
961 __attribute__((always_inline)) __STATIC_INLINE uint32_t __STREXH(uint16_t value, volatile uint16_t *addr)
965 __ASM volatile ("strexh %0, %2, %1" : "=&r" (result), "=Q" (*addr) : "r" ((uint32_t)value) );
971 \brief STR Exclusive (32 bit)
972 \details Executes a exclusive STR instruction for 32 bit values.
973 \param [in] value Value to store
974 \param [in] ptr Pointer to location
975 \return 0 Function succeeded
976 \return 1 Function failed
978 __attribute__((always_inline)) __STATIC_INLINE uint32_t __STREXW(uint32_t value, volatile uint32_t *addr)
982 __ASM volatile ("strex %0, %2, %1" : "=&r" (result), "=Q" (*addr) : "r" (value) );
988 \brief Remove the exclusive lock
989 \details Removes the exclusive lock which is created by LDREX.
991 __attribute__((always_inline)) __STATIC_INLINE void __CLREX(void)
993 __ASM volatile ("clrex" ::: "memory");
998 \brief Signed Saturate
999 \details Saturates a signed value.
1000 \param [in] value Value to be saturated
1001 \param [in] sat Bit position to saturate to (1..32)
1002 \return Saturated value
1004 #define __SSAT(ARG1,ARG2) \
1006 int32_t __RES, __ARG1 = (ARG1); \
1007 __ASM ("ssat %0, %1, %2" : "=r" (__RES) : "I" (ARG2), "r" (__ARG1) ); \
1013 \brief Unsigned Saturate
1014 \details Saturates an unsigned value.
1015 \param [in] value Value to be saturated
1016 \param [in] sat Bit position to saturate to (0..31)
1017 \return Saturated value
1019 #define __USAT(ARG1,ARG2) \
1021 uint32_t __RES, __ARG1 = (ARG1); \
1022 __ASM ("usat %0, %1, %2" : "=r" (__RES) : "I" (ARG2), "r" (__ARG1) ); \
1028 \brief Rotate Right with Extend (32 bit)
1029 \details Moves each bit of a bitstring right by one bit.
1030 The carry input is shifted in at the left end of the bitstring.
1031 \param [in] value Value to rotate
1032 \return Rotated value
1034 __attribute__((always_inline)) __STATIC_INLINE uint32_t __RRX(uint32_t const value)
1038 __ASM volatile ("rrx %0, %1" : __CMSIS_GCC_OUT_REG (result) : __CMSIS_GCC_USE_REG (value) );
1044 \brief LDRT Unprivileged (8 bit)
1045 \details Executes a Unprivileged LDRT instruction for 8 bit value.
1046 \param [in] ptr Pointer to data
1047 \return value of type uint8_t at (*ptr)
1049 __attribute__((always_inline)) __STATIC_INLINE uint8_t __LDRBT(volatile uint8_t *ptr)
1053 #if (__GNUC__ > 4) || (__GNUC__ == 4 && __GNUC_MINOR__ >= 8)
1054 __ASM volatile ("ldrbt %0, %1" : "=r" (result) : "Q" (*ptr) );
1056 /* Prior to GCC 4.8, "Q" will be expanded to [rx, #0] which is not
1057 accepted by assembler. So has to use following less efficient pattern.
1059 __ASM volatile ("ldrbt %0, [%1]" : "=r" (result) : "r" (ptr) : "memory" );
1061 return ((uint8_t) result); /* Add explicit type cast here */
1066 \brief LDRT Unprivileged (16 bit)
1067 \details Executes a Unprivileged LDRT instruction for 16 bit values.
1068 \param [in] ptr Pointer to data
1069 \return value of type uint16_t at (*ptr)
1071 __attribute__((always_inline)) __STATIC_INLINE uint16_t __LDRHT(volatile uint16_t *ptr)
1075 #if (__GNUC__ > 4) || (__GNUC__ == 4 && __GNUC_MINOR__ >= 8)
1076 __ASM volatile ("ldrht %0, %1" : "=r" (result) : "Q" (*ptr) );
1078 /* Prior to GCC 4.8, "Q" will be expanded to [rx, #0] which is not
1079 accepted by assembler. So has to use following less efficient pattern.
1081 __ASM volatile ("ldrht %0, [%1]" : "=r" (result) : "r" (ptr) : "memory" );
1083 return ((uint16_t) result); /* Add explicit type cast here */
1088 \brief LDRT Unprivileged (32 bit)
1089 \details Executes a Unprivileged LDRT instruction for 32 bit values.
1090 \param [in] ptr Pointer to data
1091 \return value of type uint32_t at (*ptr)
1093 __attribute__((always_inline)) __STATIC_INLINE uint32_t __LDRT(volatile uint32_t *ptr)
1097 __ASM volatile ("ldrt %0, %1" : "=r" (result) : "Q" (*ptr) );
1103 \brief STRT Unprivileged (8 bit)
1104 \details Executes a Unprivileged STRT instruction for 8 bit values.
1105 \param [in] value Value to store
1106 \param [in] ptr Pointer to location
1108 __attribute__((always_inline)) __STATIC_INLINE void __STRBT(uint8_t const value, volatile uint8_t *ptr)
1110 __ASM volatile ("strbt %1, %0" : "=Q" (*ptr) : "r" ((uint32_t)value) );
1115 \brief STRT Unprivileged (16 bit)
1116 \details Executes a Unprivileged STRT instruction for 16 bit values.
1117 \param [in] value Value to store
1118 \param [in] ptr Pointer to location
1120 __attribute__((always_inline)) __STATIC_INLINE void __STRHT(uint16_t const value, volatile uint16_t *ptr)
1122 __ASM volatile ("strht %1, %0" : "=Q" (*ptr) : "r" ((uint32_t)value) );
1127 \brief STRT Unprivileged (32 bit)
1128 \details Executes a Unprivileged STRT instruction for 32 bit values.
1129 \param [in] value Value to store
1130 \param [in] ptr Pointer to location
1132 __attribute__((always_inline)) __STATIC_INLINE void __STRT(uint32_t const value, volatile uint32_t *ptr)
1134 __ASM volatile ("strt %1, %0" : "=Q" (*ptr) : "r" (value) );
1137 #endif /* ((defined (__ARM_ARCH_7M__ ) && (__ARM_ARCH_7M__ == 1U)) || \
1138 (defined (__ARM_ARCH_7EM__ ) && (__ARM_ARCH_7EM__ == 1U)) || \
1139 (defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1U)) || \
1140 (defined (__ARM_ARCH_8M_BASE__ ) && (__ARM_ARCH_8M_BASE__ == 1U)) ) */
1143 #if ((defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1U)) || \
1144 (defined (__ARM_ARCH_8M_BASE__ ) && (__ARM_ARCH_8M_BASE__ == 1U)) )
1146 \brief Load-Acquire (8 bit)
1147 \details Executes a LDAB instruction for 8 bit value.
1148 \param [in] ptr Pointer to data
1149 \return value of type uint8_t at (*ptr)
1151 __attribute__((always_inline)) __STATIC_INLINE uint8_t __LDAB(volatile uint8_t *ptr)
1155 __ASM volatile ("ldab %0, %1" : "=r" (result) : "Q" (*ptr) );
1156 return ((uint8_t) result);
1161 \brief Load-Acquire (16 bit)
1162 \details Executes a LDAH instruction for 16 bit values.
1163 \param [in] ptr Pointer to data
1164 \return value of type uint16_t at (*ptr)
1166 __attribute__((always_inline)) __STATIC_INLINE uint16_t __LDAH(volatile uint16_t *ptr)
1170 __ASM volatile ("ldah %0, %1" : "=r" (result) : "Q" (*ptr) );
1171 return ((uint16_t) result);
1176 \brief Load-Acquire (32 bit)
1177 \details Executes a LDA instruction for 32 bit values.
1178 \param [in] ptr Pointer to data
1179 \return value of type uint32_t at (*ptr)
1181 __attribute__((always_inline)) __STATIC_INLINE uint32_t __LDA(volatile uint32_t *ptr)
1185 __ASM volatile ("lda %0, %1" : "=r" (result) : "Q" (*ptr) );
1191 \brief Store-Release (8 bit)
1192 \details Executes a STLB instruction for 8 bit values.
1193 \param [in] value Value to store
1194 \param [in] ptr Pointer to location
1196 __attribute__((always_inline)) __STATIC_INLINE void __STLB(uint8_t value, volatile uint8_t *ptr)
1198 __ASM volatile ("stlb %1, %0" : "=Q" (*ptr) : "r" ((uint32_t)value) );
1203 \brief Store-Release (16 bit)
1204 \details Executes a STLH instruction for 16 bit values.
1205 \param [in] value Value to store
1206 \param [in] ptr Pointer to location
1208 __attribute__((always_inline)) __STATIC_INLINE void __STLH(uint16_t value, volatile uint16_t *ptr)
1210 __ASM volatile ("stlh %1, %0" : "=Q" (*ptr) : "r" ((uint32_t)value) );
1215 \brief Store-Release (32 bit)
1216 \details Executes a STL instruction for 32 bit values.
1217 \param [in] value Value to store
1218 \param [in] ptr Pointer to location
1220 __attribute__((always_inline)) __STATIC_INLINE void __STL(uint32_t value, volatile uint32_t *ptr)
1222 __ASM volatile ("stl %1, %0" : "=Q" (*ptr) : "r" ((uint32_t)value) );
1227 \brief Load-Acquire Exclusive (8 bit)
1228 \details Executes a LDAB exclusive instruction for 8 bit value.
1229 \param [in] ptr Pointer to data
1230 \return value of type uint8_t at (*ptr)
1232 __attribute__((always_inline)) __STATIC_INLINE uint8_t __LDAEXB(volatile uint8_t *ptr)
1236 __ASM volatile ("ldaexb %0, %1" : "=r" (result) : "Q" (*ptr) );
1237 return ((uint8_t) result);
1242 \brief Load-Acquire Exclusive (16 bit)
1243 \details Executes a LDAH exclusive instruction for 16 bit values.
1244 \param [in] ptr Pointer to data
1245 \return value of type uint16_t at (*ptr)
1247 __attribute__((always_inline)) __STATIC_INLINE uint16_t __LDAEXH(volatile uint16_t *ptr)
1251 __ASM volatile ("ldaexh %0, %1" : "=r" (result) : "Q" (*ptr) );
1252 return ((uint16_t) result);
1257 \brief Load-Acquire Exclusive (32 bit)
1258 \details Executes a LDA exclusive instruction for 32 bit values.
1259 \param [in] ptr Pointer to data
1260 \return value of type uint32_t at (*ptr)
1262 __attribute__((always_inline)) __STATIC_INLINE uint32_t __LDAEX(volatile uint32_t *ptr)
1266 __ASM volatile ("ldaex %0, %1" : "=r" (result) : "Q" (*ptr) );
1272 \brief Store-Release Exclusive (8 bit)
1273 \details Executes a STLB exclusive instruction for 8 bit values.
1274 \param [in] value Value to store
1275 \param [in] ptr Pointer to location
1276 \return 0 Function succeeded
1277 \return 1 Function failed
1279 __attribute__((always_inline)) __STATIC_INLINE uint32_t __STLEXB(uint8_t value, volatile uint8_t *ptr)
1283 __ASM volatile ("stlexb %0, %2, %1" : "=&r" (result), "=Q" (*ptr) : "r" ((uint32_t)value) );
1289 \brief Store-Release Exclusive (16 bit)
1290 \details Executes a STLH exclusive instruction for 16 bit values.
1291 \param [in] value Value to store
1292 \param [in] ptr Pointer to location
1293 \return 0 Function succeeded
1294 \return 1 Function failed
1296 __attribute__((always_inline)) __STATIC_INLINE uint32_t __STLEXH(uint16_t value, volatile uint16_t *ptr)
1300 __ASM volatile ("stlexh %0, %2, %1" : "=&r" (result), "=Q" (*ptr) : "r" ((uint32_t)value) );
1306 \brief Store-Release Exclusive (32 bit)
1307 \details Executes a STL exclusive instruction for 32 bit values.
1308 \param [in] value Value to store
1309 \param [in] ptr Pointer to location
1310 \return 0 Function succeeded
1311 \return 1 Function failed
1313 __attribute__((always_inline)) __STATIC_INLINE uint32_t __STLEX(uint32_t value, volatile uint32_t *ptr)
1317 __ASM volatile ("stlex %0, %2, %1" : "=&r" (result), "=Q" (*ptr) : "r" ((uint32_t)value) );
1321 #endif /* ((defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1U)) || \
1322 (defined (__ARM_ARCH_8M_BASE__ ) && (__ARM_ARCH_8M_BASE__ == 1U)) ) */
1324 /*@}*/ /* end of group CMSIS_Core_InstructionInterface */
1327 /* ################### Compiler specific Intrinsics ########################### */
1328 /** \defgroup CMSIS_SIMD_intrinsics CMSIS SIMD Intrinsics
1329 Access to dedicated SIMD instructions
1333 #if (__ARM_FEATURE_DSP == 1U) /* ToDo ARMCLANG: This should be ARCH >= ARMv7-M + SIMD */
1335 __attribute__((always_inline)) __STATIC_INLINE uint32_t __SADD8(uint32_t op1, uint32_t op2)
1339 __ASM volatile ("sadd8 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1343 __attribute__((always_inline)) __STATIC_INLINE uint32_t __QADD8(uint32_t op1, uint32_t op2)
1347 __ASM volatile ("qadd8 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1351 __attribute__((always_inline)) __STATIC_INLINE uint32_t __SHADD8(uint32_t op1, uint32_t op2)
1355 __ASM volatile ("shadd8 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1359 __attribute__((always_inline)) __STATIC_INLINE uint32_t __UADD8(uint32_t op1, uint32_t op2)
1363 __ASM volatile ("uadd8 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1367 __attribute__((always_inline)) __STATIC_INLINE uint32_t __UQADD8(uint32_t op1, uint32_t op2)
1371 __ASM volatile ("uqadd8 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1375 __attribute__((always_inline)) __STATIC_INLINE uint32_t __UHADD8(uint32_t op1, uint32_t op2)
1379 __ASM volatile ("uhadd8 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1384 __attribute__((always_inline)) __STATIC_INLINE uint32_t __SSUB8(uint32_t op1, uint32_t op2)
1388 __ASM volatile ("ssub8 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1392 __attribute__((always_inline)) __STATIC_INLINE uint32_t __QSUB8(uint32_t op1, uint32_t op2)
1396 __ASM volatile ("qsub8 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1400 __attribute__((always_inline)) __STATIC_INLINE uint32_t __SHSUB8(uint32_t op1, uint32_t op2)
1404 __ASM volatile ("shsub8 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1408 __attribute__((always_inline)) __STATIC_INLINE uint32_t __USUB8(uint32_t op1, uint32_t op2)
1412 __ASM volatile ("usub8 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1416 __attribute__((always_inline)) __STATIC_INLINE uint32_t __UQSUB8(uint32_t op1, uint32_t op2)
1420 __ASM volatile ("uqsub8 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1424 __attribute__((always_inline)) __STATIC_INLINE uint32_t __UHSUB8(uint32_t op1, uint32_t op2)
1428 __ASM volatile ("uhsub8 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1433 __attribute__((always_inline)) __STATIC_INLINE uint32_t __SADD16(uint32_t op1, uint32_t op2)
1437 __ASM volatile ("sadd16 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1441 __attribute__((always_inline)) __STATIC_INLINE uint32_t __QADD16(uint32_t op1, uint32_t op2)
1445 __ASM volatile ("qadd16 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1449 __attribute__((always_inline)) __STATIC_INLINE uint32_t __SHADD16(uint32_t op1, uint32_t op2)
1453 __ASM volatile ("shadd16 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1457 __attribute__((always_inline)) __STATIC_INLINE uint32_t __UADD16(uint32_t op1, uint32_t op2)
1461 __ASM volatile ("uadd16 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1465 __attribute__((always_inline)) __STATIC_INLINE uint32_t __UQADD16(uint32_t op1, uint32_t op2)
1469 __ASM volatile ("uqadd16 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1473 __attribute__((always_inline)) __STATIC_INLINE uint32_t __UHADD16(uint32_t op1, uint32_t op2)
1477 __ASM volatile ("uhadd16 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1481 __attribute__((always_inline)) __STATIC_INLINE uint32_t __SSUB16(uint32_t op1, uint32_t op2)
1485 __ASM volatile ("ssub16 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1489 __attribute__((always_inline)) __STATIC_INLINE uint32_t __QSUB16(uint32_t op1, uint32_t op2)
1493 __ASM volatile ("qsub16 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1497 __attribute__((always_inline)) __STATIC_INLINE uint32_t __SHSUB16(uint32_t op1, uint32_t op2)
1501 __ASM volatile ("shsub16 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1505 __attribute__((always_inline)) __STATIC_INLINE uint32_t __USUB16(uint32_t op1, uint32_t op2)
1509 __ASM volatile ("usub16 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1513 __attribute__((always_inline)) __STATIC_INLINE uint32_t __UQSUB16(uint32_t op1, uint32_t op2)
1517 __ASM volatile ("uqsub16 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1521 __attribute__((always_inline)) __STATIC_INLINE uint32_t __UHSUB16(uint32_t op1, uint32_t op2)
1525 __ASM volatile ("uhsub16 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1529 __attribute__((always_inline)) __STATIC_INLINE uint32_t __SASX(uint32_t op1, uint32_t op2)
1533 __ASM volatile ("sasx %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1537 __attribute__((always_inline)) __STATIC_INLINE uint32_t __QASX(uint32_t op1, uint32_t op2)
1541 __ASM volatile ("qasx %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1545 __attribute__((always_inline)) __STATIC_INLINE uint32_t __SHASX(uint32_t op1, uint32_t op2)
1549 __ASM volatile ("shasx %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1553 __attribute__((always_inline)) __STATIC_INLINE uint32_t __UASX(uint32_t op1, uint32_t op2)
1557 __ASM volatile ("uasx %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1561 __attribute__((always_inline)) __STATIC_INLINE uint32_t __UQASX(uint32_t op1, uint32_t op2)
1565 __ASM volatile ("uqasx %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1569 __attribute__((always_inline)) __STATIC_INLINE uint32_t __UHASX(uint32_t op1, uint32_t op2)
1573 __ASM volatile ("uhasx %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1577 __attribute__((always_inline)) __STATIC_INLINE uint32_t __SSAX(uint32_t op1, uint32_t op2)
1581 __ASM volatile ("ssax %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1585 __attribute__((always_inline)) __STATIC_INLINE uint32_t __QSAX(uint32_t op1, uint32_t op2)
1589 __ASM volatile ("qsax %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1593 __attribute__((always_inline)) __STATIC_INLINE uint32_t __SHSAX(uint32_t op1, uint32_t op2)
1597 __ASM volatile ("shsax %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1601 __attribute__((always_inline)) __STATIC_INLINE uint32_t __USAX(uint32_t op1, uint32_t op2)
1605 __ASM volatile ("usax %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1609 __attribute__((always_inline)) __STATIC_INLINE uint32_t __UQSAX(uint32_t op1, uint32_t op2)
1613 __ASM volatile ("uqsax %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1617 __attribute__((always_inline)) __STATIC_INLINE uint32_t __UHSAX(uint32_t op1, uint32_t op2)
1621 __ASM volatile ("uhsax %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1625 __attribute__((always_inline)) __STATIC_INLINE uint32_t __USAD8(uint32_t op1, uint32_t op2)
1629 __ASM volatile ("usad8 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1633 __attribute__((always_inline)) __STATIC_INLINE uint32_t __USADA8(uint32_t op1, uint32_t op2, uint32_t op3)
1637 __ASM volatile ("usada8 %0, %1, %2, %3" : "=r" (result) : "r" (op1), "r" (op2), "r" (op3) );
1641 #define __SSAT16(ARG1,ARG2) \
1643 int32_t __RES, __ARG1 = (ARG1); \
1644 __ASM ("ssat16 %0, %1, %2" : "=r" (__RES) : "I" (ARG2), "r" (__ARG1) ); \
1648 #define __USAT16(ARG1,ARG2) \
1650 uint32_t __RES, __ARG1 = (ARG1); \
1651 __ASM ("usat16 %0, %1, %2" : "=r" (__RES) : "I" (ARG2), "r" (__ARG1) ); \
1655 __attribute__((always_inline)) __STATIC_INLINE uint32_t __UXTB16(uint32_t op1)
1659 __ASM volatile ("uxtb16 %0, %1" : "=r" (result) : "r" (op1));
1663 __attribute__((always_inline)) __STATIC_INLINE uint32_t __UXTAB16(uint32_t op1, uint32_t op2)
1667 __ASM volatile ("uxtab16 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1671 __attribute__((always_inline)) __STATIC_INLINE uint32_t __SXTB16(uint32_t op1)
1675 __ASM volatile ("sxtb16 %0, %1" : "=r" (result) : "r" (op1));
1679 __attribute__((always_inline)) __STATIC_INLINE uint32_t __SXTAB16(uint32_t op1, uint32_t op2)
1683 __ASM volatile ("sxtab16 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1687 __attribute__((always_inline)) __STATIC_INLINE uint32_t __SMUAD (uint32_t op1, uint32_t op2)
1691 __ASM volatile ("smuad %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1695 __attribute__((always_inline)) __STATIC_INLINE uint32_t __SMUADX (uint32_t op1, uint32_t op2)
1699 __ASM volatile ("smuadx %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1703 __attribute__((always_inline)) __STATIC_INLINE uint32_t __SMLAD (uint32_t op1, uint32_t op2, uint32_t op3)
1707 __ASM volatile ("smlad %0, %1, %2, %3" : "=r" (result) : "r" (op1), "r" (op2), "r" (op3) );
1711 __attribute__((always_inline)) __STATIC_INLINE uint32_t __SMLADX (uint32_t op1, uint32_t op2, uint32_t op3)
1715 __ASM volatile ("smladx %0, %1, %2, %3" : "=r" (result) : "r" (op1), "r" (op2), "r" (op3) );
1719 __attribute__((always_inline)) __STATIC_INLINE uint64_t __SMLALD (uint32_t op1, uint32_t op2, uint64_t acc)
1727 #ifndef __ARMEB__ /* Little endian */
1728 __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]) );
1729 #else /* Big endian */
1730 __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]) );
1736 __attribute__((always_inline)) __STATIC_INLINE uint64_t __SMLALDX (uint32_t op1, uint32_t op2, uint64_t acc)
1744 #ifndef __ARMEB__ /* Little endian */
1745 __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]) );
1746 #else /* Big endian */
1747 __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]) );
1753 __attribute__((always_inline)) __STATIC_INLINE uint32_t __SMUSD (uint32_t op1, uint32_t op2)
1757 __ASM volatile ("smusd %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1761 __attribute__((always_inline)) __STATIC_INLINE uint32_t __SMUSDX (uint32_t op1, uint32_t op2)
1765 __ASM volatile ("smusdx %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1769 __attribute__((always_inline)) __STATIC_INLINE uint32_t __SMLSD (uint32_t op1, uint32_t op2, uint32_t op3)
1773 __ASM volatile ("smlsd %0, %1, %2, %3" : "=r" (result) : "r" (op1), "r" (op2), "r" (op3) );
1777 __attribute__((always_inline)) __STATIC_INLINE uint32_t __SMLSDX (uint32_t op1, uint32_t op2, uint32_t op3)
1781 __ASM volatile ("smlsdx %0, %1, %2, %3" : "=r" (result) : "r" (op1), "r" (op2), "r" (op3) );
1785 __attribute__((always_inline)) __STATIC_INLINE uint64_t __SMLSLD (uint32_t op1, uint32_t op2, uint64_t acc)
1793 #ifndef __ARMEB__ /* Little endian */
1794 __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]) );
1795 #else /* Big endian */
1796 __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]) );
1802 __attribute__((always_inline)) __STATIC_INLINE uint64_t __SMLSLDX (uint32_t op1, uint32_t op2, uint64_t acc)
1810 #ifndef __ARMEB__ /* Little endian */
1811 __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]) );
1812 #else /* Big endian */
1813 __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]) );
1819 __attribute__((always_inline)) __STATIC_INLINE uint32_t __SEL (uint32_t op1, uint32_t op2)
1823 __ASM volatile ("sel %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1827 __attribute__((always_inline)) __STATIC_INLINE int32_t __QADD( int32_t op1, int32_t op2)
1831 __ASM volatile ("qadd %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1835 __attribute__((always_inline)) __STATIC_INLINE int32_t __QSUB( int32_t op1, int32_t op2)
1839 __ASM volatile ("qsub %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1844 #define __PKHBT(ARG1,ARG2,ARG3) \
1846 uint32_t __RES, __ARG1 = (ARG1), __ARG2 = (ARG2); \
1847 __ASM ("pkhbt %0, %1, %2, lsl %3" : "=r" (__RES) : "r" (__ARG1), "r" (__ARG2), "I" (ARG3) ); \
1851 #define __PKHTB(ARG1,ARG2,ARG3) \
1853 uint32_t __RES, __ARG1 = (ARG1), __ARG2 = (ARG2); \
1855 __ASM ("pkhtb %0, %1, %2" : "=r" (__RES) : "r" (__ARG1), "r" (__ARG2) ); \
1857 __ASM ("pkhtb %0, %1, %2, asr %3" : "=r" (__RES) : "r" (__ARG1), "r" (__ARG2), "I" (ARG3) ); \
1862 #define __PKHBT(ARG1,ARG2,ARG3) ( ((((uint32_t)(ARG1)) ) & 0x0000FFFFUL) | \
1863 ((((uint32_t)(ARG2)) << (ARG3)) & 0xFFFF0000UL) )
1865 #define __PKHTB(ARG1,ARG2,ARG3) ( ((((uint32_t)(ARG1)) ) & 0xFFFF0000UL) | \
1866 ((((uint32_t)(ARG2)) >> (ARG3)) & 0x0000FFFFUL) )
1868 __attribute__((always_inline)) __STATIC_INLINE int32_t __SMMLA (int32_t op1, int32_t op2, int32_t op3)
1872 __ASM volatile ("smmla %0, %1, %2, %3" : "=r" (result): "r" (op1), "r" (op2), "r" (op3) );
1876 #endif /* (__ARM_FEATURE_DSP == 1U) */
1877 /*@} end of group CMSIS_SIMD_intrinsics */
1880 #pragma GCC diagnostic pop
1882 #endif /* __CMSIS_GCC_H */