1 /**************************************************************************//**
3 * @brief CMSIS compiler GCC header file
5 * @date 13. February 2017
6 ******************************************************************************/
8 * Copyright (c) 2009-2017 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 /* Fallback for __has_builtin */
36 #define __has_builtin(x) (0)
39 /* CMSIS compiler specific defines */
44 #define __INLINE inline
46 #ifndef __STATIC_INLINE
47 #define __STATIC_INLINE static inline
49 #ifndef __STATIC_FORCEINLINE
50 #define __STATIC_FORCEINLINE __attribute__((always_inline)) static inline
53 #define __NO_RETURN __attribute__((__noreturn__))
56 #define __USED __attribute__((used))
59 #define __WEAK __attribute__((weak))
62 #define __PACKED __attribute__((packed, aligned(1)))
64 #ifndef __PACKED_STRUCT
65 #define __PACKED_STRUCT struct __attribute__((packed, aligned(1)))
67 #ifndef __PACKED_UNION
68 #define __PACKED_UNION union __attribute__((packed, aligned(1)))
70 #ifndef __UNALIGNED_UINT32 /* deprecated */
71 #pragma GCC diagnostic push
72 #pragma GCC diagnostic ignored "-Wpacked"
73 #pragma GCC diagnostic ignored "-Wattributes"
74 struct __attribute__((packed)) T_UINT32 { uint32_t v; };
75 #pragma GCC diagnostic pop
76 #define __UNALIGNED_UINT32(x) (((struct T_UINT32 *)(x))->v)
78 #ifndef __UNALIGNED_UINT16_WRITE
79 #pragma GCC diagnostic push
80 #pragma GCC diagnostic ignored "-Wpacked"
81 #pragma GCC diagnostic ignored "-Wattributes"
82 __PACKED_STRUCT T_UINT16_WRITE { uint16_t v; };
83 #pragma GCC diagnostic pop
84 #define __UNALIGNED_UINT16_WRITE(addr, val) (void)((((struct T_UINT16_WRITE *)(void *)(addr))->v) = (val))
86 #ifndef __UNALIGNED_UINT16_READ
87 #pragma GCC diagnostic push
88 #pragma GCC diagnostic ignored "-Wpacked"
89 #pragma GCC diagnostic ignored "-Wattributes"
90 __PACKED_STRUCT T_UINT16_READ { uint16_t v; };
91 #pragma GCC diagnostic pop
92 #define __UNALIGNED_UINT16_READ(addr) (((const struct T_UINT16_READ *)(const void *)(addr))->v)
94 #ifndef __UNALIGNED_UINT32_WRITE
95 #pragma GCC diagnostic push
96 #pragma GCC diagnostic ignored "-Wpacked"
97 #pragma GCC diagnostic ignored "-Wattributes"
98 __PACKED_STRUCT T_UINT32_WRITE { uint32_t v; };
99 #pragma GCC diagnostic pop
100 #define __UNALIGNED_UINT32_WRITE(addr, val) (void)((((struct T_UINT32_WRITE *)(void *)(addr))->v) = (val))
102 #ifndef __UNALIGNED_UINT32_READ
103 #pragma GCC diagnostic push
104 #pragma GCC diagnostic ignored "-Wpacked"
105 #pragma GCC diagnostic ignored "-Wattributes"
106 __PACKED_STRUCT T_UINT32_READ { uint32_t v; };
107 #pragma GCC diagnostic pop
108 #define __UNALIGNED_UINT32_READ(addr) (((const struct T_UINT32_READ *)(const void *)(addr))->v)
111 #define __ALIGNED(x) __attribute__((aligned(x)))
114 #define __RESTRICT __restrict
118 /* ########################### Core Function Access ########################### */
119 /** \ingroup CMSIS_Core_FunctionInterface
120 \defgroup CMSIS_Core_RegAccFunctions CMSIS Core Register Access Functions
125 \brief Enable IRQ Interrupts
126 \details Enables IRQ interrupts by clearing the I-bit in the CPSR.
127 Can only be executed in Privileged modes.
129 __STATIC_FORCEINLINE void __enable_irq(void)
131 __ASM volatile ("cpsie i" : : : "memory");
136 \brief Disable IRQ Interrupts
137 \details Disables IRQ interrupts by setting the I-bit in the CPSR.
138 Can only be executed in Privileged modes.
140 __STATIC_FORCEINLINE void __disable_irq(void)
142 __ASM volatile ("cpsid i" : : : "memory");
147 \brief Get Control Register
148 \details Returns the content of the Control Register.
149 \return Control Register value
151 __STATIC_FORCEINLINE uint32_t __get_CONTROL(void)
155 __ASM volatile ("MRS %0, control" : "=r" (result) );
160 #if (defined (__ARM_FEATURE_CMSE ) && (__ARM_FEATURE_CMSE == 3))
162 \brief Get Control Register (non-secure)
163 \details Returns the content of the non-secure Control Register when in secure mode.
164 \return non-secure Control Register value
166 __STATIC_FORCEINLINE uint32_t __TZ_get_CONTROL_NS(void)
170 __ASM volatile ("MRS %0, control_ns" : "=r" (result) );
177 \brief Set Control Register
178 \details Writes the given value to the Control Register.
179 \param [in] control Control Register value to set
181 __STATIC_FORCEINLINE void __set_CONTROL(uint32_t control)
183 __ASM volatile ("MSR control, %0" : : "r" (control) : "memory");
187 #if (defined (__ARM_FEATURE_CMSE ) && (__ARM_FEATURE_CMSE == 3))
189 \brief Set Control Register (non-secure)
190 \details Writes the given value to the non-secure Control Register when in secure state.
191 \param [in] control Control Register value to set
193 __STATIC_FORCEINLINE void __TZ_set_CONTROL_NS(uint32_t control)
195 __ASM volatile ("MSR control_ns, %0" : : "r" (control) : "memory");
201 \brief Get IPSR Register
202 \details Returns the content of the IPSR Register.
203 \return IPSR Register value
205 __STATIC_FORCEINLINE uint32_t __get_IPSR(void)
209 __ASM volatile ("MRS %0, ipsr" : "=r" (result) );
215 \brief Get APSR Register
216 \details Returns the content of the APSR Register.
217 \return APSR Register value
219 __STATIC_FORCEINLINE uint32_t __get_APSR(void)
223 __ASM volatile ("MRS %0, apsr" : "=r" (result) );
229 \brief Get xPSR Register
230 \details Returns the content of the xPSR Register.
231 \return xPSR Register value
233 __STATIC_FORCEINLINE uint32_t __get_xPSR(void)
237 __ASM volatile ("MRS %0, xpsr" : "=r" (result) );
243 \brief Get Process Stack Pointer
244 \details Returns the current value of the Process Stack Pointer (PSP).
245 \return PSP Register value
247 __STATIC_FORCEINLINE uint32_t __get_PSP(void)
249 register uint32_t result;
251 __ASM volatile ("MRS %0, psp" : "=r" (result) );
256 #if (defined (__ARM_FEATURE_CMSE ) && (__ARM_FEATURE_CMSE == 3))
258 \brief Get Process Stack Pointer (non-secure)
259 \details Returns the current value of the non-secure Process Stack Pointer (PSP) when in secure state.
260 \return PSP Register value
262 __STATIC_FORCEINLINE uint32_t __TZ_get_PSP_NS(void)
264 register uint32_t result;
266 __ASM volatile ("MRS %0, psp_ns" : "=r" (result) );
273 \brief Set Process Stack Pointer
274 \details Assigns the given value to the Process Stack Pointer (PSP).
275 \param [in] topOfProcStack Process Stack Pointer value to set
277 __STATIC_FORCEINLINE void __set_PSP(uint32_t topOfProcStack)
279 __ASM volatile ("MSR psp, %0" : : "r" (topOfProcStack) : );
283 #if (defined (__ARM_FEATURE_CMSE ) && (__ARM_FEATURE_CMSE == 3))
285 \brief Set Process Stack Pointer (non-secure)
286 \details Assigns the given value to the non-secure Process Stack Pointer (PSP) when in secure state.
287 \param [in] topOfProcStack Process Stack Pointer value to set
289 __STATIC_FORCEINLINE void __TZ_set_PSP_NS(uint32_t topOfProcStack)
291 __ASM volatile ("MSR psp_ns, %0" : : "r" (topOfProcStack) : );
297 \brief Get Main Stack Pointer
298 \details Returns the current value of the Main Stack Pointer (MSP).
299 \return MSP Register value
301 __STATIC_FORCEINLINE uint32_t __get_MSP(void)
303 register uint32_t result;
305 __ASM volatile ("MRS %0, msp" : "=r" (result) );
310 #if (defined (__ARM_FEATURE_CMSE ) && (__ARM_FEATURE_CMSE == 3))
312 \brief Get Main Stack Pointer (non-secure)
313 \details Returns the current value of the non-secure Main Stack Pointer (MSP) when in secure state.
314 \return MSP Register value
316 __STATIC_FORCEINLINE uint32_t __TZ_get_MSP_NS(void)
318 register uint32_t result;
320 __ASM volatile ("MRS %0, msp_ns" : "=r" (result) );
327 \brief Set Main Stack Pointer
328 \details Assigns the given value to the Main Stack Pointer (MSP).
329 \param [in] topOfMainStack Main Stack Pointer value to set
331 __STATIC_FORCEINLINE void __set_MSP(uint32_t topOfMainStack)
333 __ASM volatile ("MSR msp, %0" : : "r" (topOfMainStack) : );
337 #if (defined (__ARM_FEATURE_CMSE ) && (__ARM_FEATURE_CMSE == 3))
339 \brief Set Main Stack Pointer (non-secure)
340 \details Assigns the given value to the non-secure Main Stack Pointer (MSP) when in secure state.
341 \param [in] topOfMainStack Main Stack Pointer value to set
343 __STATIC_FORCEINLINE void __TZ_set_MSP_NS(uint32_t topOfMainStack)
345 __ASM volatile ("MSR msp_ns, %0" : : "r" (topOfMainStack) : );
350 #if (defined (__ARM_FEATURE_CMSE ) && (__ARM_FEATURE_CMSE == 3))
352 \brief Get Stack Pointer (non-secure)
353 \details Returns the current value of the non-secure Stack Pointer (SP) when in secure state.
354 \return SP Register value
356 __STATIC_FORCEINLINE uint32_t __TZ_get_SP_NS(void)
358 register uint32_t result;
360 __ASM volatile ("MRS %0, sp_ns" : "=r" (result) );
366 \brief Set Stack Pointer (non-secure)
367 \details Assigns the given value to the non-secure Stack Pointer (SP) when in secure state.
368 \param [in] topOfStack Stack Pointer value to set
370 __STATIC_FORCEINLINE void __TZ_set_SP_NS(uint32_t topOfStack)
372 __ASM volatile ("MSR sp_ns, %0" : : "r" (topOfStack) : );
378 \brief Get Priority Mask
379 \details Returns the current state of the priority mask bit from the Priority Mask Register.
380 \return Priority Mask value
382 __STATIC_FORCEINLINE uint32_t __get_PRIMASK(void)
386 __ASM volatile ("MRS %0, primask" : "=r" (result) :: "memory");
391 #if (defined (__ARM_FEATURE_CMSE ) && (__ARM_FEATURE_CMSE == 3))
393 \brief Get Priority Mask (non-secure)
394 \details Returns the current state of the non-secure priority mask bit from the Priority Mask Register when in secure state.
395 \return Priority Mask value
397 __STATIC_FORCEINLINE uint32_t __TZ_get_PRIMASK_NS(void)
401 __ASM volatile ("MRS %0, primask_ns" : "=r" (result) :: "memory");
408 \brief Set Priority Mask
409 \details Assigns the given value to the Priority Mask Register.
410 \param [in] priMask Priority Mask
412 __STATIC_FORCEINLINE void __set_PRIMASK(uint32_t priMask)
414 __ASM volatile ("MSR primask, %0" : : "r" (priMask) : "memory");
418 #if (defined (__ARM_FEATURE_CMSE ) && (__ARM_FEATURE_CMSE == 3))
420 \brief Set Priority Mask (non-secure)
421 \details Assigns the given value to the non-secure Priority Mask Register when in secure state.
422 \param [in] priMask Priority Mask
424 __STATIC_FORCEINLINE void __TZ_set_PRIMASK_NS(uint32_t priMask)
426 __ASM volatile ("MSR primask_ns, %0" : : "r" (priMask) : "memory");
431 #if ((defined (__ARM_ARCH_7M__ ) && (__ARM_ARCH_7M__ == 1)) || \
432 (defined (__ARM_ARCH_7EM__ ) && (__ARM_ARCH_7EM__ == 1)) || \
433 (defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)) )
436 \details Enables FIQ interrupts by clearing the F-bit in the CPSR.
437 Can only be executed in Privileged modes.
439 __STATIC_FORCEINLINE void __enable_fault_irq(void)
441 __ASM volatile ("cpsie f" : : : "memory");
447 \details Disables FIQ interrupts by setting the F-bit in the CPSR.
448 Can only be executed in Privileged modes.
450 __STATIC_FORCEINLINE void __disable_fault_irq(void)
452 __ASM volatile ("cpsid f" : : : "memory");
457 \brief Get Base Priority
458 \details Returns the current value of the Base Priority register.
459 \return Base Priority register value
461 __STATIC_FORCEINLINE uint32_t __get_BASEPRI(void)
465 __ASM volatile ("MRS %0, basepri" : "=r" (result) );
470 #if (defined (__ARM_FEATURE_CMSE ) && (__ARM_FEATURE_CMSE == 3))
472 \brief Get Base Priority (non-secure)
473 \details Returns the current value of the non-secure Base Priority register when in secure state.
474 \return Base Priority register value
476 __STATIC_FORCEINLINE uint32_t __TZ_get_BASEPRI_NS(void)
480 __ASM volatile ("MRS %0, basepri_ns" : "=r" (result) );
487 \brief Set Base Priority
488 \details Assigns the given value to the Base Priority register.
489 \param [in] basePri Base Priority value to set
491 __STATIC_FORCEINLINE void __set_BASEPRI(uint32_t basePri)
493 __ASM volatile ("MSR basepri, %0" : : "r" (basePri) : "memory");
497 #if (defined (__ARM_FEATURE_CMSE ) && (__ARM_FEATURE_CMSE == 3))
499 \brief Set Base Priority (non-secure)
500 \details Assigns the given value to the non-secure Base Priority register when in secure state.
501 \param [in] basePri Base Priority value to set
503 __STATIC_FORCEINLINE void __TZ_set_BASEPRI_NS(uint32_t basePri)
505 __ASM volatile ("MSR basepri_ns, %0" : : "r" (basePri) : "memory");
511 \brief Set Base Priority with condition
512 \details Assigns the given value to the Base Priority register only if BASEPRI masking is disabled,
513 or the new value increases the BASEPRI priority level.
514 \param [in] basePri Base Priority value to set
516 __STATIC_FORCEINLINE void __set_BASEPRI_MAX(uint32_t basePri)
518 __ASM volatile ("MSR basepri_max, %0" : : "r" (basePri) : "memory");
523 \brief Get Fault Mask
524 \details Returns the current value of the Fault Mask register.
525 \return Fault Mask register value
527 __STATIC_FORCEINLINE uint32_t __get_FAULTMASK(void)
531 __ASM volatile ("MRS %0, faultmask" : "=r" (result) );
536 #if (defined (__ARM_FEATURE_CMSE ) && (__ARM_FEATURE_CMSE == 3))
538 \brief Get Fault Mask (non-secure)
539 \details Returns the current value of the non-secure Fault Mask register when in secure state.
540 \return Fault Mask register value
542 __STATIC_FORCEINLINE uint32_t __TZ_get_FAULTMASK_NS(void)
546 __ASM volatile ("MRS %0, faultmask_ns" : "=r" (result) );
553 \brief Set Fault Mask
554 \details Assigns the given value to the Fault Mask register.
555 \param [in] faultMask Fault Mask value to set
557 __STATIC_FORCEINLINE void __set_FAULTMASK(uint32_t faultMask)
559 __ASM volatile ("MSR faultmask, %0" : : "r" (faultMask) : "memory");
563 #if (defined (__ARM_FEATURE_CMSE ) && (__ARM_FEATURE_CMSE == 3))
565 \brief Set Fault Mask (non-secure)
566 \details Assigns the given value to the non-secure Fault Mask register when in secure state.
567 \param [in] faultMask Fault Mask value to set
569 __STATIC_FORCEINLINE void __TZ_set_FAULTMASK_NS(uint32_t faultMask)
571 __ASM volatile ("MSR faultmask_ns, %0" : : "r" (faultMask) : "memory");
575 #endif /* ((defined (__ARM_ARCH_7M__ ) && (__ARM_ARCH_7M__ == 1)) || \
576 (defined (__ARM_ARCH_7EM__ ) && (__ARM_ARCH_7EM__ == 1)) || \
577 (defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)) ) */
580 #if ((defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)) || \
581 (defined (__ARM_ARCH_8M_BASE__ ) && (__ARM_ARCH_8M_BASE__ == 1)) )
584 \brief Get Process Stack Pointer Limit
585 \details Returns the current value of the Process Stack Pointer Limit (PSPLIM).
586 \return PSPLIM Register value
588 __STATIC_FORCEINLINE uint32_t __get_PSPLIM(void)
590 register uint32_t result;
592 __ASM volatile ("MRS %0, psplim" : "=r" (result) );
597 #if ((defined (__ARM_FEATURE_CMSE ) && (__ARM_FEATURE_CMSE == 3)) && \
598 (defined (__ARM_ARCH_8M_MAIN__) && (__ARM_ARCH_8M_MAIN__ == 1)) )
600 \brief Get Process Stack Pointer Limit (non-secure)
601 \details Returns the current value of the non-secure Process Stack Pointer Limit (PSPLIM) when in secure state.
602 \return PSPLIM Register value
604 __STATIC_FORCEINLINE uint32_t __TZ_get_PSPLIM_NS(void)
606 register uint32_t result;
608 __ASM volatile ("MRS %0, psplim_ns" : "=r" (result) );
615 \brief Set Process Stack Pointer Limit
616 \details Assigns the given value to the Process Stack Pointer Limit (PSPLIM).
617 \param [in] ProcStackPtrLimit Process Stack Pointer Limit value to set
619 __STATIC_FORCEINLINE void __set_PSPLIM(uint32_t ProcStackPtrLimit)
621 __ASM volatile ("MSR psplim, %0" : : "r" (ProcStackPtrLimit));
625 #if ((defined (__ARM_FEATURE_CMSE ) && (__ARM_FEATURE_CMSE == 3)) && \
626 (defined (__ARM_ARCH_8M_MAIN__) && (__ARM_ARCH_8M_MAIN__ == 1)) )
628 \brief Set Process Stack Pointer (non-secure)
629 \details Assigns the given value to the non-secure Process Stack Pointer Limit (PSPLIM) when in secure state.
630 \param [in] ProcStackPtrLimit Process Stack Pointer Limit value to set
632 __STATIC_FORCEINLINE void __TZ_set_PSPLIM_NS(uint32_t ProcStackPtrLimit)
634 __ASM volatile ("MSR psplim_ns, %0\n" : : "r" (ProcStackPtrLimit));
640 \brief Get Main Stack Pointer Limit
641 \details Returns the current value of the Main Stack Pointer Limit (MSPLIM).
642 \return MSPLIM Register value
644 __STATIC_FORCEINLINE uint32_t __get_MSPLIM(void)
646 register uint32_t result;
648 __ASM volatile ("MRS %0, msplim" : "=r" (result) );
654 #if ((defined (__ARM_FEATURE_CMSE ) && (__ARM_FEATURE_CMSE == 3)) && \
655 (defined (__ARM_ARCH_8M_MAIN__) && (__ARM_ARCH_8M_MAIN__ == 1)) )
657 \brief Get Main Stack Pointer Limit (non-secure)
658 \details Returns the current value of the non-secure Main Stack Pointer Limit(MSPLIM) when in secure state.
659 \return MSPLIM Register value
661 __STATIC_FORCEINLINE uint32_t __TZ_get_MSPLIM_NS(void)
663 register uint32_t result;
665 __ASM volatile ("MRS %0, msplim_ns" : "=r" (result) );
672 \brief Set Main Stack Pointer Limit
673 \details Assigns the given value to the Main Stack Pointer Limit (MSPLIM).
674 \param [in] MainStackPtrLimit Main Stack Pointer Limit value to set
676 __STATIC_FORCEINLINE void __set_MSPLIM(uint32_t MainStackPtrLimit)
678 __ASM volatile ("MSR msplim, %0" : : "r" (MainStackPtrLimit));
682 #if ((defined (__ARM_FEATURE_CMSE ) && (__ARM_FEATURE_CMSE == 3)) && \
683 (defined (__ARM_ARCH_8M_MAIN__) && (__ARM_ARCH_8M_MAIN__ == 1)) )
685 \brief Set Main Stack Pointer Limit (non-secure)
686 \details Assigns the given value to the non-secure Main Stack Pointer Limit (MSPLIM) when in secure state.
687 \param [in] MainStackPtrLimit Main Stack Pointer value to set
689 __STATIC_FORCEINLINE void __TZ_set_MSPLIM_NS(uint32_t MainStackPtrLimit)
691 __ASM volatile ("MSR msplim_ns, %0" : : "r" (MainStackPtrLimit));
695 #endif /* ((defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)) || \
696 (defined (__ARM_ARCH_8M_BASE__ ) && (__ARM_ARCH_8M_BASE__ == 1)) ) */
699 #if ((defined (__ARM_ARCH_7EM__ ) && (__ARM_ARCH_7EM__ == 1)) || \
700 (defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)) )
704 \details Returns the current value of the Floating Point Status/Control register.
705 \return Floating Point Status/Control register value
707 __STATIC_FORCEINLINE uint32_t __get_FPSCR(void)
709 #if ((defined (__FPU_PRESENT) && (__FPU_PRESENT == 1U)) && \
710 (defined (__FPU_USED ) && (__FPU_USED == 1U)) )
711 #if __has_builtin(__builtin_arm_get_fpscr) || (__GNUC__ > 7) || (__GNUC__ == 7 && __GNUC_MINOR__ >= 2)
712 /* see https://gcc.gnu.org/ml/gcc-patches/2017-04/msg00443.html */
713 return __builtin_arm_get_fpscr();
717 __ASM volatile ("VMRS %0, fpscr" : "=r" (result) );
728 \details Assigns the given value to the Floating Point Status/Control register.
729 \param [in] fpscr Floating Point Status/Control value to set
731 __STATIC_FORCEINLINE void __set_FPSCR(uint32_t fpscr)
733 #if ((defined (__FPU_PRESENT) && (__FPU_PRESENT == 1U)) && \
734 (defined (__FPU_USED ) && (__FPU_USED == 1U)) )
735 #if __has_builtin(__builtin_arm_set_fpscr) || (__GNUC__ > 7) || (__GNUC__ == 7 && __GNUC_MINOR__ >= 2)
736 /* see https://gcc.gnu.org/ml/gcc-patches/2017-04/msg00443.html */
737 __builtin_arm_set_fpscr(fpscr);
739 __ASM volatile ("VMSR fpscr, %0" : : "r" (fpscr) : "vfpcc", "memory");
746 #endif /* ((defined (__ARM_ARCH_7EM__ ) && (__ARM_ARCH_7EM__ == 1)) || \
747 (defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)) ) */
751 /*@} end of CMSIS_Core_RegAccFunctions */
754 /* ########################## Core Instruction Access ######################### */
755 /** \defgroup CMSIS_Core_InstructionInterface CMSIS Core Instruction Interface
756 Access to dedicated instructions
760 /* Define macros for porting to both thumb1 and thumb2.
761 * For thumb1, use low register (r0-r7), specified by constraint "l"
762 * Otherwise, use general registers, specified by constraint "r" */
763 #if defined (__thumb__) && !defined (__thumb2__)
764 #define __CMSIS_GCC_OUT_REG(r) "=l" (r)
765 #define __CMSIS_GCC_RW_REG(r) "+l" (r)
766 #define __CMSIS_GCC_USE_REG(r) "l" (r)
768 #define __CMSIS_GCC_OUT_REG(r) "=r" (r)
769 #define __CMSIS_GCC_RW_REG(r) "+r" (r)
770 #define __CMSIS_GCC_USE_REG(r) "r" (r)
775 \details No Operation does nothing. This instruction can be used for code alignment purposes.
777 #define __NOP() __ASM volatile ("nop")
780 \brief Wait For Interrupt
781 \details Wait For Interrupt is a hint instruction that suspends execution until one of a number of events occurs.
783 #define __WFI() __ASM volatile ("wfi")
787 \brief Wait For Event
788 \details Wait For Event is a hint instruction that permits the processor to enter
789 a low-power state until one of a number of events occurs.
791 #define __WFE() __ASM volatile ("wfe")
796 \details Send Event is a hint instruction. It causes an event to be signaled to the CPU.
798 #define __SEV() __ASM volatile ("sev")
802 \brief Instruction Synchronization Barrier
803 \details Instruction Synchronization Barrier flushes the pipeline in the processor,
804 so that all instructions following the ISB are fetched from cache or memory,
805 after the instruction has been completed.
807 __STATIC_FORCEINLINE void __ISB(void)
809 __ASM volatile ("isb 0xF":::"memory");
814 \brief Data Synchronization Barrier
815 \details Acts as a special kind of Data Memory Barrier.
816 It completes when all explicit memory accesses before this instruction complete.
818 __STATIC_FORCEINLINE void __DSB(void)
820 __ASM volatile ("dsb 0xF":::"memory");
825 \brief Data Memory Barrier
826 \details Ensures the apparent order of the explicit memory operations before
827 and after the instruction, without ensuring their completion.
829 __STATIC_FORCEINLINE void __DMB(void)
831 __ASM volatile ("dmb 0xF":::"memory");
836 \brief Reverse byte order (32 bit)
837 \details Reverses the byte order in unsigned integer value. For example, 0x12345678 becomes 0x78563412.
838 \param [in] value Value to reverse
839 \return Reversed value
841 __STATIC_FORCEINLINE uint32_t __REV(uint32_t value)
843 #if (__GNUC__ > 4) || (__GNUC__ == 4 && __GNUC_MINOR__ >= 5)
844 return __builtin_bswap32(value);
848 __ASM volatile ("rev %0, %1" : __CMSIS_GCC_OUT_REG (result) : __CMSIS_GCC_USE_REG (value) );
855 \brief Reverse byte order (16 bit)
856 \details Reverses the byte order within each halfword of a word. For example, 0x12345678 becomes 0x34127856.
857 \param [in] value Value to reverse
858 \return Reversed value
860 __STATIC_FORCEINLINE uint32_t __REV16(uint32_t value)
864 __ASM volatile ("rev16 %0, %1" : __CMSIS_GCC_OUT_REG (result) : __CMSIS_GCC_USE_REG (value) );
870 \brief Reverse byte order (16 bit)
871 \details Reverses the byte order in a 16-bit value and returns the signed 16-bit result. For example, 0x0080 becomes 0x8000.
872 \param [in] value Value to reverse
873 \return Reversed value
875 __STATIC_FORCEINLINE int16_t __REVSH(int16_t value)
877 #if (__GNUC__ > 4) || (__GNUC__ == 4 && __GNUC_MINOR__ >= 8)
878 return (int16_t)__builtin_bswap16(value);
882 __ASM volatile ("revsh %0, %1" : __CMSIS_GCC_OUT_REG (result) : __CMSIS_GCC_USE_REG (value) );
889 \brief Rotate Right in unsigned value (32 bit)
890 \details Rotate Right (immediate) provides the value of the contents of a register rotated by a variable number of bits.
891 \param [in] op1 Value to rotate
892 \param [in] op2 Number of Bits to rotate
893 \return Rotated value
895 __STATIC_FORCEINLINE uint32_t __ROR(uint32_t op1, uint32_t op2)
902 return (op1 >> op2) | (op1 << (32U - op2));
908 \details Causes the processor to enter Debug state.
909 Debug tools can use this to investigate system state when the instruction at a particular address is reached.
910 \param [in] value is ignored by the processor.
911 If required, a debugger can use it to store additional information about the breakpoint.
913 #define __BKPT(value) __ASM volatile ("bkpt "#value)
917 \brief Reverse bit order of value
918 \details Reverses the bit order of the given value.
919 \param [in] value Value to reverse
920 \return Reversed value
922 __STATIC_FORCEINLINE uint32_t __RBIT(uint32_t value)
926 #if ((defined (__ARM_ARCH_7M__ ) && (__ARM_ARCH_7M__ == 1)) || \
927 (defined (__ARM_ARCH_7EM__ ) && (__ARM_ARCH_7EM__ == 1)) || \
928 (defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)) )
929 __ASM volatile ("rbit %0, %1" : "=r" (result) : "r" (value) );
931 uint32_t s = (4U /*sizeof(v)*/ * 8U) - 1U; /* extra shift needed at end */
933 result = value; /* r will be reversed bits of v; first get LSB of v */
934 for (value >>= 1U; value != 0U; value >>= 1U)
937 result |= value & 1U;
940 result <<= s; /* shift when v's highest bits are zero */
947 \brief Count leading zeros
948 \details Counts the number of leading zeros of a data value.
949 \param [in] value Value to count the leading zeros
950 \return number of leading zeros in value
952 #define __CLZ __builtin_clz
955 #if ((defined (__ARM_ARCH_7M__ ) && (__ARM_ARCH_7M__ == 1)) || \
956 (defined (__ARM_ARCH_7EM__ ) && (__ARM_ARCH_7EM__ == 1)) || \
957 (defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)) || \
958 (defined (__ARM_ARCH_8M_BASE__ ) && (__ARM_ARCH_8M_BASE__ == 1)) )
960 \brief LDR Exclusive (8 bit)
961 \details Executes a exclusive LDR instruction for 8 bit value.
962 \param [in] ptr Pointer to data
963 \return value of type uint8_t at (*ptr)
965 __STATIC_FORCEINLINE uint8_t __LDREXB(volatile uint8_t *addr)
969 #if (__GNUC__ > 4) || (__GNUC__ == 4 && __GNUC_MINOR__ >= 8)
970 __ASM volatile ("ldrexb %0, %1" : "=r" (result) : "Q" (*addr) );
972 /* Prior to GCC 4.8, "Q" will be expanded to [rx, #0] which is not
973 accepted by assembler. So has to use following less efficient pattern.
975 __ASM volatile ("ldrexb %0, [%1]" : "=r" (result) : "r" (addr) : "memory" );
977 return ((uint8_t) result); /* Add explicit type cast here */
982 \brief LDR Exclusive (16 bit)
983 \details Executes a exclusive LDR instruction for 16 bit values.
984 \param [in] ptr Pointer to data
985 \return value of type uint16_t at (*ptr)
987 __STATIC_FORCEINLINE uint16_t __LDREXH(volatile uint16_t *addr)
991 #if (__GNUC__ > 4) || (__GNUC__ == 4 && __GNUC_MINOR__ >= 8)
992 __ASM volatile ("ldrexh %0, %1" : "=r" (result) : "Q" (*addr) );
994 /* Prior to GCC 4.8, "Q" will be expanded to [rx, #0] which is not
995 accepted by assembler. So has to use following less efficient pattern.
997 __ASM volatile ("ldrexh %0, [%1]" : "=r" (result) : "r" (addr) : "memory" );
999 return ((uint16_t) result); /* Add explicit type cast here */
1004 \brief LDR Exclusive (32 bit)
1005 \details Executes a exclusive LDR instruction for 32 bit values.
1006 \param [in] ptr Pointer to data
1007 \return value of type uint32_t at (*ptr)
1009 __STATIC_FORCEINLINE uint32_t __LDREXW(volatile uint32_t *addr)
1013 __ASM volatile ("ldrex %0, %1" : "=r" (result) : "Q" (*addr) );
1019 \brief STR Exclusive (8 bit)
1020 \details Executes a exclusive STR instruction for 8 bit values.
1021 \param [in] value Value to store
1022 \param [in] ptr Pointer to location
1023 \return 0 Function succeeded
1024 \return 1 Function failed
1026 __STATIC_FORCEINLINE uint32_t __STREXB(uint8_t value, volatile uint8_t *addr)
1030 __ASM volatile ("strexb %0, %2, %1" : "=&r" (result), "=Q" (*addr) : "r" ((uint32_t)value) );
1036 \brief STR Exclusive (16 bit)
1037 \details Executes a exclusive STR instruction for 16 bit values.
1038 \param [in] value Value to store
1039 \param [in] ptr Pointer to location
1040 \return 0 Function succeeded
1041 \return 1 Function failed
1043 __STATIC_FORCEINLINE uint32_t __STREXH(uint16_t value, volatile uint16_t *addr)
1047 __ASM volatile ("strexh %0, %2, %1" : "=&r" (result), "=Q" (*addr) : "r" ((uint32_t)value) );
1053 \brief STR Exclusive (32 bit)
1054 \details Executes a exclusive STR instruction for 32 bit values.
1055 \param [in] value Value to store
1056 \param [in] ptr Pointer to location
1057 \return 0 Function succeeded
1058 \return 1 Function failed
1060 __STATIC_FORCEINLINE uint32_t __STREXW(uint32_t value, volatile uint32_t *addr)
1064 __ASM volatile ("strex %0, %2, %1" : "=&r" (result), "=Q" (*addr) : "r" (value) );
1070 \brief Remove the exclusive lock
1071 \details Removes the exclusive lock which is created by LDREX.
1073 __STATIC_FORCEINLINE void __CLREX(void)
1075 __ASM volatile ("clrex" ::: "memory");
1078 #endif /* ((defined (__ARM_ARCH_7M__ ) && (__ARM_ARCH_7M__ == 1)) || \
1079 (defined (__ARM_ARCH_7EM__ ) && (__ARM_ARCH_7EM__ == 1)) || \
1080 (defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)) || \
1081 (defined (__ARM_ARCH_8M_BASE__ ) && (__ARM_ARCH_8M_BASE__ == 1)) ) */
1084 #if ((defined (__ARM_ARCH_7M__ ) && (__ARM_ARCH_7M__ == 1)) || \
1085 (defined (__ARM_ARCH_7EM__ ) && (__ARM_ARCH_7EM__ == 1)) || \
1086 (defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)) )
1088 \brief Signed Saturate
1089 \details Saturates a signed value.
1090 \param [in] ARG1 Value to be saturated
1091 \param [in] ARG2 Bit position to saturate to (1..32)
1092 \return Saturated value
1094 #define __SSAT(ARG1,ARG2) \
1097 int32_t __RES, __ARG1 = (ARG1); \
1098 __ASM ("ssat %0, %1, %2" : "=r" (__RES) : "I" (ARG2), "r" (__ARG1) ); \
1104 \brief Unsigned Saturate
1105 \details Saturates an unsigned value.
1106 \param [in] ARG1 Value to be saturated
1107 \param [in] ARG2 Bit position to saturate to (0..31)
1108 \return Saturated value
1110 #define __USAT(ARG1,ARG2) \
1113 uint32_t __RES, __ARG1 = (ARG1); \
1114 __ASM ("usat %0, %1, %2" : "=r" (__RES) : "I" (ARG2), "r" (__ARG1) ); \
1120 \brief Rotate Right with Extend (32 bit)
1121 \details Moves each bit of a bitstring right by one bit.
1122 The carry input is shifted in at the left end of the bitstring.
1123 \param [in] value Value to rotate
1124 \return Rotated value
1126 __STATIC_FORCEINLINE uint32_t __RRX(uint32_t value)
1130 __ASM volatile ("rrx %0, %1" : __CMSIS_GCC_OUT_REG (result) : __CMSIS_GCC_USE_REG (value) );
1136 \brief LDRT Unprivileged (8 bit)
1137 \details Executes a Unprivileged LDRT instruction for 8 bit value.
1138 \param [in] ptr Pointer to data
1139 \return value of type uint8_t at (*ptr)
1141 __STATIC_FORCEINLINE uint8_t __LDRBT(volatile uint8_t *ptr)
1145 #if (__GNUC__ > 4) || (__GNUC__ == 4 && __GNUC_MINOR__ >= 8)
1146 __ASM volatile ("ldrbt %0, %1" : "=r" (result) : "Q" (*ptr) );
1148 /* Prior to GCC 4.8, "Q" will be expanded to [rx, #0] which is not
1149 accepted by assembler. So has to use following less efficient pattern.
1151 __ASM volatile ("ldrbt %0, [%1]" : "=r" (result) : "r" (ptr) : "memory" );
1153 return ((uint8_t) result); /* Add explicit type cast here */
1158 \brief LDRT Unprivileged (16 bit)
1159 \details Executes a Unprivileged LDRT instruction for 16 bit values.
1160 \param [in] ptr Pointer to data
1161 \return value of type uint16_t at (*ptr)
1163 __STATIC_FORCEINLINE uint16_t __LDRHT(volatile uint16_t *ptr)
1167 #if (__GNUC__ > 4) || (__GNUC__ == 4 && __GNUC_MINOR__ >= 8)
1168 __ASM volatile ("ldrht %0, %1" : "=r" (result) : "Q" (*ptr) );
1170 /* Prior to GCC 4.8, "Q" will be expanded to [rx, #0] which is not
1171 accepted by assembler. So has to use following less efficient pattern.
1173 __ASM volatile ("ldrht %0, [%1]" : "=r" (result) : "r" (ptr) : "memory" );
1175 return ((uint16_t) result); /* Add explicit type cast here */
1180 \brief LDRT Unprivileged (32 bit)
1181 \details Executes a Unprivileged LDRT instruction for 32 bit values.
1182 \param [in] ptr Pointer to data
1183 \return value of type uint32_t at (*ptr)
1185 __STATIC_FORCEINLINE uint32_t __LDRT(volatile uint32_t *ptr)
1189 __ASM volatile ("ldrt %0, %1" : "=r" (result) : "Q" (*ptr) );
1195 \brief STRT Unprivileged (8 bit)
1196 \details Executes a Unprivileged STRT instruction for 8 bit values.
1197 \param [in] value Value to store
1198 \param [in] ptr Pointer to location
1200 __STATIC_FORCEINLINE void __STRBT(uint8_t value, volatile uint8_t *ptr)
1202 __ASM volatile ("strbt %1, %0" : "=Q" (*ptr) : "r" ((uint32_t)value) );
1207 \brief STRT Unprivileged (16 bit)
1208 \details Executes a Unprivileged STRT instruction for 16 bit values.
1209 \param [in] value Value to store
1210 \param [in] ptr Pointer to location
1212 __STATIC_FORCEINLINE void __STRHT(uint16_t value, volatile uint16_t *ptr)
1214 __ASM volatile ("strht %1, %0" : "=Q" (*ptr) : "r" ((uint32_t)value) );
1219 \brief STRT Unprivileged (32 bit)
1220 \details Executes a Unprivileged STRT instruction for 32 bit values.
1221 \param [in] value Value to store
1222 \param [in] ptr Pointer to location
1224 __STATIC_FORCEINLINE void __STRT(uint32_t value, volatile uint32_t *ptr)
1226 __ASM volatile ("strt %1, %0" : "=Q" (*ptr) : "r" (value) );
1229 #else /* ((defined (__ARM_ARCH_7M__ ) && (__ARM_ARCH_7M__ == 1)) || \
1230 (defined (__ARM_ARCH_7EM__ ) && (__ARM_ARCH_7EM__ == 1)) || \
1231 (defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)) ) */
1234 \brief Signed Saturate
1235 \details Saturates a signed value.
1236 \param [in] value Value to be saturated
1237 \param [in] sat Bit position to saturate to (1..32)
1238 \return Saturated value
1240 __STATIC_FORCEINLINE int32_t __SSAT(int32_t val, uint32_t sat)
1242 if ((sat >= 1U) && (sat <= 32U))
1244 const int32_t max = (int32_t)((1U << (sat - 1U)) - 1U);
1245 const int32_t min = -1 - max ;
1259 \brief Unsigned Saturate
1260 \details Saturates an unsigned value.
1261 \param [in] value Value to be saturated
1262 \param [in] sat Bit position to saturate to (0..31)
1263 \return Saturated value
1265 __STATIC_FORCEINLINE uint32_t __USAT(int32_t val, uint32_t sat)
1269 const uint32_t max = ((1U << sat) - 1U);
1270 if (val > (int32_t)max)
1279 return (uint32_t)val;
1282 #endif /* ((defined (__ARM_ARCH_7M__ ) && (__ARM_ARCH_7M__ == 1)) || \
1283 (defined (__ARM_ARCH_7EM__ ) && (__ARM_ARCH_7EM__ == 1)) || \
1284 (defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)) ) */
1287 #if ((defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)) || \
1288 (defined (__ARM_ARCH_8M_BASE__ ) && (__ARM_ARCH_8M_BASE__ == 1)) )
1290 \brief Load-Acquire (8 bit)
1291 \details Executes a LDAB instruction for 8 bit value.
1292 \param [in] ptr Pointer to data
1293 \return value of type uint8_t at (*ptr)
1295 __STATIC_FORCEINLINE uint8_t __LDAB(volatile uint8_t *ptr)
1299 __ASM volatile ("ldab %0, %1" : "=r" (result) : "Q" (*ptr) );
1300 return ((uint8_t) result);
1305 \brief Load-Acquire (16 bit)
1306 \details Executes a LDAH instruction for 16 bit values.
1307 \param [in] ptr Pointer to data
1308 \return value of type uint16_t at (*ptr)
1310 __STATIC_FORCEINLINE uint16_t __LDAH(volatile uint16_t *ptr)
1314 __ASM volatile ("ldah %0, %1" : "=r" (result) : "Q" (*ptr) );
1315 return ((uint16_t) result);
1320 \brief Load-Acquire (32 bit)
1321 \details Executes a LDA instruction for 32 bit values.
1322 \param [in] ptr Pointer to data
1323 \return value of type uint32_t at (*ptr)
1325 __STATIC_FORCEINLINE uint32_t __LDA(volatile uint32_t *ptr)
1329 __ASM volatile ("lda %0, %1" : "=r" (result) : "Q" (*ptr) );
1335 \brief Store-Release (8 bit)
1336 \details Executes a STLB instruction for 8 bit values.
1337 \param [in] value Value to store
1338 \param [in] ptr Pointer to location
1340 __STATIC_FORCEINLINE void __STLB(uint8_t value, volatile uint8_t *ptr)
1342 __ASM volatile ("stlb %1, %0" : "=Q" (*ptr) : "r" ((uint32_t)value) );
1347 \brief Store-Release (16 bit)
1348 \details Executes a STLH instruction for 16 bit values.
1349 \param [in] value Value to store
1350 \param [in] ptr Pointer to location
1352 __STATIC_FORCEINLINE void __STLH(uint16_t value, volatile uint16_t *ptr)
1354 __ASM volatile ("stlh %1, %0" : "=Q" (*ptr) : "r" ((uint32_t)value) );
1359 \brief Store-Release (32 bit)
1360 \details Executes a STL instruction for 32 bit values.
1361 \param [in] value Value to store
1362 \param [in] ptr Pointer to location
1364 __STATIC_FORCEINLINE void __STL(uint32_t value, volatile uint32_t *ptr)
1366 __ASM volatile ("stl %1, %0" : "=Q" (*ptr) : "r" ((uint32_t)value) );
1371 \brief Load-Acquire Exclusive (8 bit)
1372 \details Executes a LDAB exclusive instruction for 8 bit value.
1373 \param [in] ptr Pointer to data
1374 \return value of type uint8_t at (*ptr)
1376 __STATIC_FORCEINLINE uint8_t __LDAEXB(volatile uint8_t *ptr)
1380 __ASM volatile ("ldaexb %0, %1" : "=r" (result) : "Q" (*ptr) );
1381 return ((uint8_t) result);
1386 \brief Load-Acquire Exclusive (16 bit)
1387 \details Executes a LDAH exclusive instruction for 16 bit values.
1388 \param [in] ptr Pointer to data
1389 \return value of type uint16_t at (*ptr)
1391 __STATIC_FORCEINLINE uint16_t __LDAEXH(volatile uint16_t *ptr)
1395 __ASM volatile ("ldaexh %0, %1" : "=r" (result) : "Q" (*ptr) );
1396 return ((uint16_t) result);
1401 \brief Load-Acquire Exclusive (32 bit)
1402 \details Executes a LDA exclusive instruction for 32 bit values.
1403 \param [in] ptr Pointer to data
1404 \return value of type uint32_t at (*ptr)
1406 __STATIC_FORCEINLINE uint32_t __LDAEX(volatile uint32_t *ptr)
1410 __ASM volatile ("ldaex %0, %1" : "=r" (result) : "Q" (*ptr) );
1416 \brief Store-Release Exclusive (8 bit)
1417 \details Executes a STLB exclusive instruction for 8 bit values.
1418 \param [in] value Value to store
1419 \param [in] ptr Pointer to location
1420 \return 0 Function succeeded
1421 \return 1 Function failed
1423 __STATIC_FORCEINLINE uint32_t __STLEXB(uint8_t value, volatile uint8_t *ptr)
1427 __ASM volatile ("stlexb %0, %2, %1" : "=&r" (result), "=Q" (*ptr) : "r" ((uint32_t)value) );
1433 \brief Store-Release Exclusive (16 bit)
1434 \details Executes a STLH exclusive instruction for 16 bit values.
1435 \param [in] value Value to store
1436 \param [in] ptr Pointer to location
1437 \return 0 Function succeeded
1438 \return 1 Function failed
1440 __STATIC_FORCEINLINE uint32_t __STLEXH(uint16_t value, volatile uint16_t *ptr)
1444 __ASM volatile ("stlexh %0, %2, %1" : "=&r" (result), "=Q" (*ptr) : "r" ((uint32_t)value) );
1450 \brief Store-Release Exclusive (32 bit)
1451 \details Executes a STL exclusive instruction for 32 bit values.
1452 \param [in] value Value to store
1453 \param [in] ptr Pointer to location
1454 \return 0 Function succeeded
1455 \return 1 Function failed
1457 __STATIC_FORCEINLINE uint32_t __STLEX(uint32_t value, volatile uint32_t *ptr)
1461 __ASM volatile ("stlex %0, %2, %1" : "=&r" (result), "=Q" (*ptr) : "r" ((uint32_t)value) );
1465 #endif /* ((defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)) || \
1466 (defined (__ARM_ARCH_8M_BASE__ ) && (__ARM_ARCH_8M_BASE__ == 1)) ) */
1468 /*@}*/ /* end of group CMSIS_Core_InstructionInterface */
1471 /* ################### Compiler specific Intrinsics ########################### */
1472 /** \defgroup CMSIS_SIMD_intrinsics CMSIS SIMD Intrinsics
1473 Access to dedicated SIMD instructions
1477 #if (__ARM_FEATURE_DSP == 1) /* ToDo ARMCLANG: This should be ARCH >= ARMv7-M + SIMD */
1479 __STATIC_FORCEINLINE uint32_t __SADD8(uint32_t op1, uint32_t op2)
1483 __ASM volatile ("sadd8 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1487 __STATIC_FORCEINLINE uint32_t __QADD8(uint32_t op1, uint32_t op2)
1491 __ASM volatile ("qadd8 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1495 __STATIC_FORCEINLINE uint32_t __SHADD8(uint32_t op1, uint32_t op2)
1499 __ASM volatile ("shadd8 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1503 __STATIC_FORCEINLINE uint32_t __UADD8(uint32_t op1, uint32_t op2)
1507 __ASM volatile ("uadd8 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1511 __STATIC_FORCEINLINE uint32_t __UQADD8(uint32_t op1, uint32_t op2)
1515 __ASM volatile ("uqadd8 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1519 __STATIC_FORCEINLINE uint32_t __UHADD8(uint32_t op1, uint32_t op2)
1523 __ASM volatile ("uhadd8 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1528 __STATIC_FORCEINLINE uint32_t __SSUB8(uint32_t op1, uint32_t op2)
1532 __ASM volatile ("ssub8 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1536 __STATIC_FORCEINLINE uint32_t __QSUB8(uint32_t op1, uint32_t op2)
1540 __ASM volatile ("qsub8 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1544 __STATIC_FORCEINLINE uint32_t __SHSUB8(uint32_t op1, uint32_t op2)
1548 __ASM volatile ("shsub8 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1552 __STATIC_FORCEINLINE uint32_t __USUB8(uint32_t op1, uint32_t op2)
1556 __ASM volatile ("usub8 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1560 __STATIC_FORCEINLINE uint32_t __UQSUB8(uint32_t op1, uint32_t op2)
1564 __ASM volatile ("uqsub8 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1568 __STATIC_FORCEINLINE uint32_t __UHSUB8(uint32_t op1, uint32_t op2)
1572 __ASM volatile ("uhsub8 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1577 __STATIC_FORCEINLINE uint32_t __SADD16(uint32_t op1, uint32_t op2)
1581 __ASM volatile ("sadd16 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1585 __STATIC_FORCEINLINE uint32_t __QADD16(uint32_t op1, uint32_t op2)
1589 __ASM volatile ("qadd16 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1593 __STATIC_FORCEINLINE uint32_t __SHADD16(uint32_t op1, uint32_t op2)
1597 __ASM volatile ("shadd16 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1601 __STATIC_FORCEINLINE uint32_t __UADD16(uint32_t op1, uint32_t op2)
1605 __ASM volatile ("uadd16 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1609 __STATIC_FORCEINLINE uint32_t __UQADD16(uint32_t op1, uint32_t op2)
1613 __ASM volatile ("uqadd16 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1617 __STATIC_FORCEINLINE uint32_t __UHADD16(uint32_t op1, uint32_t op2)
1621 __ASM volatile ("uhadd16 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1625 __STATIC_FORCEINLINE uint32_t __SSUB16(uint32_t op1, uint32_t op2)
1629 __ASM volatile ("ssub16 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1633 __STATIC_FORCEINLINE uint32_t __QSUB16(uint32_t op1, uint32_t op2)
1637 __ASM volatile ("qsub16 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1641 __STATIC_FORCEINLINE uint32_t __SHSUB16(uint32_t op1, uint32_t op2)
1645 __ASM volatile ("shsub16 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1649 __STATIC_FORCEINLINE uint32_t __USUB16(uint32_t op1, uint32_t op2)
1653 __ASM volatile ("usub16 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1657 __STATIC_FORCEINLINE uint32_t __UQSUB16(uint32_t op1, uint32_t op2)
1661 __ASM volatile ("uqsub16 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1665 __STATIC_FORCEINLINE uint32_t __UHSUB16(uint32_t op1, uint32_t op2)
1669 __ASM volatile ("uhsub16 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1673 __STATIC_FORCEINLINE uint32_t __SASX(uint32_t op1, uint32_t op2)
1677 __ASM volatile ("sasx %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1681 __STATIC_FORCEINLINE uint32_t __QASX(uint32_t op1, uint32_t op2)
1685 __ASM volatile ("qasx %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1689 __STATIC_FORCEINLINE uint32_t __SHASX(uint32_t op1, uint32_t op2)
1693 __ASM volatile ("shasx %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1697 __STATIC_FORCEINLINE uint32_t __UASX(uint32_t op1, uint32_t op2)
1701 __ASM volatile ("uasx %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1705 __STATIC_FORCEINLINE uint32_t __UQASX(uint32_t op1, uint32_t op2)
1709 __ASM volatile ("uqasx %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1713 __STATIC_FORCEINLINE uint32_t __UHASX(uint32_t op1, uint32_t op2)
1717 __ASM volatile ("uhasx %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1721 __STATIC_FORCEINLINE uint32_t __SSAX(uint32_t op1, uint32_t op2)
1725 __ASM volatile ("ssax %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1729 __STATIC_FORCEINLINE uint32_t __QSAX(uint32_t op1, uint32_t op2)
1733 __ASM volatile ("qsax %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1737 __STATIC_FORCEINLINE uint32_t __SHSAX(uint32_t op1, uint32_t op2)
1741 __ASM volatile ("shsax %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1745 __STATIC_FORCEINLINE uint32_t __USAX(uint32_t op1, uint32_t op2)
1749 __ASM volatile ("usax %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1753 __STATIC_FORCEINLINE uint32_t __UQSAX(uint32_t op1, uint32_t op2)
1757 __ASM volatile ("uqsax %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1761 __STATIC_FORCEINLINE uint32_t __UHSAX(uint32_t op1, uint32_t op2)
1765 __ASM volatile ("uhsax %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1769 __STATIC_FORCEINLINE uint32_t __USAD8(uint32_t op1, uint32_t op2)
1773 __ASM volatile ("usad8 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1777 __STATIC_FORCEINLINE uint32_t __USADA8(uint32_t op1, uint32_t op2, uint32_t op3)
1781 __ASM volatile ("usada8 %0, %1, %2, %3" : "=r" (result) : "r" (op1), "r" (op2), "r" (op3) );
1785 #define __SSAT16(ARG1,ARG2) \
1787 int32_t __RES, __ARG1 = (ARG1); \
1788 __ASM ("ssat16 %0, %1, %2" : "=r" (__RES) : "I" (ARG2), "r" (__ARG1) ); \
1792 #define __USAT16(ARG1,ARG2) \
1794 uint32_t __RES, __ARG1 = (ARG1); \
1795 __ASM ("usat16 %0, %1, %2" : "=r" (__RES) : "I" (ARG2), "r" (__ARG1) ); \
1799 __STATIC_FORCEINLINE uint32_t __UXTB16(uint32_t op1)
1803 __ASM volatile ("uxtb16 %0, %1" : "=r" (result) : "r" (op1));
1807 __STATIC_FORCEINLINE uint32_t __UXTAB16(uint32_t op1, uint32_t op2)
1811 __ASM volatile ("uxtab16 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1815 __STATIC_FORCEINLINE uint32_t __SXTB16(uint32_t op1)
1819 __ASM volatile ("sxtb16 %0, %1" : "=r" (result) : "r" (op1));
1823 __STATIC_FORCEINLINE uint32_t __SXTAB16(uint32_t op1, uint32_t op2)
1827 __ASM volatile ("sxtab16 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1831 __STATIC_FORCEINLINE uint32_t __SMUAD (uint32_t op1, uint32_t op2)
1835 __ASM volatile ("smuad %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1839 __STATIC_FORCEINLINE uint32_t __SMUADX (uint32_t op1, uint32_t op2)
1843 __ASM volatile ("smuadx %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1847 __STATIC_FORCEINLINE uint32_t __SMLAD (uint32_t op1, uint32_t op2, uint32_t op3)
1851 __ASM volatile ("smlad %0, %1, %2, %3" : "=r" (result) : "r" (op1), "r" (op2), "r" (op3) );
1855 __STATIC_FORCEINLINE uint32_t __SMLADX (uint32_t op1, uint32_t op2, uint32_t op3)
1859 __ASM volatile ("smladx %0, %1, %2, %3" : "=r" (result) : "r" (op1), "r" (op2), "r" (op3) );
1863 __STATIC_FORCEINLINE uint64_t __SMLALD (uint32_t op1, uint32_t op2, uint64_t acc)
1871 #ifndef __ARMEB__ /* Little endian */
1872 __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]) );
1873 #else /* Big endian */
1874 __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]) );
1880 __STATIC_FORCEINLINE uint64_t __SMLALDX (uint32_t op1, uint32_t op2, uint64_t acc)
1888 #ifndef __ARMEB__ /* Little endian */
1889 __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]) );
1890 #else /* Big endian */
1891 __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]) );
1897 __STATIC_FORCEINLINE uint32_t __SMUSD (uint32_t op1, uint32_t op2)
1901 __ASM volatile ("smusd %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1905 __STATIC_FORCEINLINE uint32_t __SMUSDX (uint32_t op1, uint32_t op2)
1909 __ASM volatile ("smusdx %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1913 __STATIC_FORCEINLINE uint32_t __SMLSD (uint32_t op1, uint32_t op2, uint32_t op3)
1917 __ASM volatile ("smlsd %0, %1, %2, %3" : "=r" (result) : "r" (op1), "r" (op2), "r" (op3) );
1921 __STATIC_FORCEINLINE uint32_t __SMLSDX (uint32_t op1, uint32_t op2, uint32_t op3)
1925 __ASM volatile ("smlsdx %0, %1, %2, %3" : "=r" (result) : "r" (op1), "r" (op2), "r" (op3) );
1929 __STATIC_FORCEINLINE uint64_t __SMLSLD (uint32_t op1, uint32_t op2, uint64_t acc)
1937 #ifndef __ARMEB__ /* Little endian */
1938 __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]) );
1939 #else /* Big endian */
1940 __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]) );
1946 __STATIC_FORCEINLINE uint64_t __SMLSLDX (uint32_t op1, uint32_t op2, uint64_t acc)
1954 #ifndef __ARMEB__ /* Little endian */
1955 __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]) );
1956 #else /* Big endian */
1957 __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]) );
1963 __STATIC_FORCEINLINE uint32_t __SEL (uint32_t op1, uint32_t op2)
1967 __ASM volatile ("sel %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1971 __STATIC_FORCEINLINE int32_t __QADD( int32_t op1, int32_t op2)
1975 __ASM volatile ("qadd %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1979 __STATIC_FORCEINLINE int32_t __QSUB( int32_t op1, int32_t op2)
1983 __ASM volatile ("qsub %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
1988 #define __PKHBT(ARG1,ARG2,ARG3) \
1990 uint32_t __RES, __ARG1 = (ARG1), __ARG2 = (ARG2); \
1991 __ASM ("pkhbt %0, %1, %2, lsl %3" : "=r" (__RES) : "r" (__ARG1), "r" (__ARG2), "I" (ARG3) ); \
1995 #define __PKHTB(ARG1,ARG2,ARG3) \
1997 uint32_t __RES, __ARG1 = (ARG1), __ARG2 = (ARG2); \
1999 __ASM ("pkhtb %0, %1, %2" : "=r" (__RES) : "r" (__ARG1), "r" (__ARG2) ); \
2001 __ASM ("pkhtb %0, %1, %2, asr %3" : "=r" (__RES) : "r" (__ARG1), "r" (__ARG2), "I" (ARG3) ); \
2006 #define __PKHBT(ARG1,ARG2,ARG3) ( ((((uint32_t)(ARG1)) ) & 0x0000FFFFUL) | \
2007 ((((uint32_t)(ARG2)) << (ARG3)) & 0xFFFF0000UL) )
2009 #define __PKHTB(ARG1,ARG2,ARG3) ( ((((uint32_t)(ARG1)) ) & 0xFFFF0000UL) | \
2010 ((((uint32_t)(ARG2)) >> (ARG3)) & 0x0000FFFFUL) )
2012 __STATIC_FORCEINLINE int32_t __SMMLA (int32_t op1, int32_t op2, int32_t op3)
2016 __ASM volatile ("smmla %0, %1, %2, %3" : "=r" (result): "r" (op1), "r" (op2), "r" (op3) );
2020 #endif /* (__ARM_FEATURE_DSP == 1) */
2021 /*@} end of group CMSIS_SIMD_intrinsics */
2024 #pragma GCC diagnostic pop
2026 #endif /* __CMSIS_GCC_H */