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865 lines
28 KiB
865 lines
28 KiB
/**************************************************************************//** |
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* @file cmsis_armcc.h |
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* @brief CMSIS compiler ARMCC (Arm Compiler 5) header file |
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* @version V5.0.4 |
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* @date 10. January 2018 |
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******************************************************************************/ |
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/* |
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* Copyright (c) 2009-2018 Arm Limited. All rights reserved. |
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* |
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* SPDX-License-Identifier: Apache-2.0 |
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* |
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* Licensed under the Apache License, Version 2.0 (the License); you may |
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* not use this file except in compliance with the License. |
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* You may obtain a copy of the License at |
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* |
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* www.apache.org/licenses/LICENSE-2.0 |
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an AS IS BASIS, WITHOUT |
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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*/ |
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#ifndef __CMSIS_ARMCC_H |
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#define __CMSIS_ARMCC_H |
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#if defined(__ARMCC_VERSION) && (__ARMCC_VERSION < 400677) |
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#error "Please use Arm Compiler Toolchain V4.0.677 or later!" |
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#endif |
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/* CMSIS compiler control architecture macros */ |
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#if ((defined (__TARGET_ARCH_6_M ) && (__TARGET_ARCH_6_M == 1)) || \ |
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(defined (__TARGET_ARCH_6S_M ) && (__TARGET_ARCH_6S_M == 1)) ) |
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#define __ARM_ARCH_6M__ 1 |
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#endif |
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#if (defined (__TARGET_ARCH_7_M ) && (__TARGET_ARCH_7_M == 1)) |
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#define __ARM_ARCH_7M__ 1 |
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#endif |
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#if (defined (__TARGET_ARCH_7E_M) && (__TARGET_ARCH_7E_M == 1)) |
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#define __ARM_ARCH_7EM__ 1 |
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#endif |
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/* __ARM_ARCH_8M_BASE__ not applicable */ |
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/* __ARM_ARCH_8M_MAIN__ not applicable */ |
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/* CMSIS compiler specific defines */ |
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#ifndef __ASM |
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#define __ASM __asm |
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#endif |
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#ifndef __INLINE |
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#define __INLINE __inline |
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#endif |
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#ifndef __STATIC_INLINE |
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#define __STATIC_INLINE static __inline |
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#endif |
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#ifndef __STATIC_FORCEINLINE |
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#define __STATIC_FORCEINLINE static __forceinline |
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#endif |
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#ifndef __NO_RETURN |
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#define __NO_RETURN __declspec(noreturn) |
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#endif |
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#ifndef __USED |
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#define __USED __attribute__((used)) |
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#endif |
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#ifndef __WEAK |
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#define __WEAK __attribute__((weak)) |
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#endif |
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#ifndef __PACKED |
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#define __PACKED __attribute__((packed)) |
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#endif |
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#ifndef __PACKED_STRUCT |
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#define __PACKED_STRUCT __packed struct |
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#endif |
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#ifndef __PACKED_UNION |
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#define __PACKED_UNION __packed union |
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#endif |
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#ifndef __UNALIGNED_UINT32 /* deprecated */ |
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#define __UNALIGNED_UINT32(x) (*((__packed uint32_t *)(x))) |
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#endif |
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#ifndef __UNALIGNED_UINT16_WRITE |
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#define __UNALIGNED_UINT16_WRITE(addr, val) ((*((__packed uint16_t *)(addr))) = (val)) |
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#endif |
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#ifndef __UNALIGNED_UINT16_READ |
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#define __UNALIGNED_UINT16_READ(addr) (*((const __packed uint16_t *)(addr))) |
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#endif |
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#ifndef __UNALIGNED_UINT32_WRITE |
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#define __UNALIGNED_UINT32_WRITE(addr, val) ((*((__packed uint32_t *)(addr))) = (val)) |
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#endif |
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#ifndef __UNALIGNED_UINT32_READ |
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#define __UNALIGNED_UINT32_READ(addr) (*((const __packed uint32_t *)(addr))) |
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#endif |
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#ifndef __ALIGNED |
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#define __ALIGNED(x) __attribute__((aligned(x))) |
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#endif |
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#ifndef __RESTRICT |
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#define __RESTRICT __restrict |
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#endif |
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/* ########################### Core Function Access ########################### */ |
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/** \ingroup CMSIS_Core_FunctionInterface |
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\defgroup CMSIS_Core_RegAccFunctions CMSIS Core Register Access Functions |
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@{ |
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*/ |
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/** |
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\brief Enable IRQ Interrupts |
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\details Enables IRQ interrupts by clearing the I-bit in the CPSR. |
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Can only be executed in Privileged modes. |
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*/ |
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/* intrinsic void __enable_irq(); */ |
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/** |
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\brief Disable IRQ Interrupts |
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\details Disables IRQ interrupts by setting the I-bit in the CPSR. |
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Can only be executed in Privileged modes. |
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*/ |
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/* intrinsic void __disable_irq(); */ |
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/** |
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\brief Get Control Register |
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\details Returns the content of the Control Register. |
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\return Control Register value |
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*/ |
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__STATIC_INLINE uint32_t __get_CONTROL(void) |
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{ |
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register uint32_t __regControl __ASM("control"); |
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return(__regControl); |
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} |
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/** |
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\brief Set Control Register |
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\details Writes the given value to the Control Register. |
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\param [in] control Control Register value to set |
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*/ |
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__STATIC_INLINE void __set_CONTROL(uint32_t control) |
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{ |
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register uint32_t __regControl __ASM("control"); |
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__regControl = control; |
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} |
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/** |
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\brief Get IPSR Register |
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\details Returns the content of the IPSR Register. |
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\return IPSR Register value |
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*/ |
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__STATIC_INLINE uint32_t __get_IPSR(void) |
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{ |
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register uint32_t __regIPSR __ASM("ipsr"); |
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return(__regIPSR); |
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} |
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/** |
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\brief Get APSR Register |
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\details Returns the content of the APSR Register. |
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\return APSR Register value |
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*/ |
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__STATIC_INLINE uint32_t __get_APSR(void) |
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{ |
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register uint32_t __regAPSR __ASM("apsr"); |
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return(__regAPSR); |
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} |
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/** |
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\brief Get xPSR Register |
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\details Returns the content of the xPSR Register. |
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\return xPSR Register value |
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*/ |
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__STATIC_INLINE uint32_t __get_xPSR(void) |
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{ |
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register uint32_t __regXPSR __ASM("xpsr"); |
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return(__regXPSR); |
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} |
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/** |
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\brief Get Process Stack Pointer |
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\details Returns the current value of the Process Stack Pointer (PSP). |
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\return PSP Register value |
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*/ |
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__STATIC_INLINE uint32_t __get_PSP(void) |
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{ |
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register uint32_t __regProcessStackPointer __ASM("psp"); |
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return(__regProcessStackPointer); |
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} |
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/** |
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\brief Set Process Stack Pointer |
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\details Assigns the given value to the Process Stack Pointer (PSP). |
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\param [in] topOfProcStack Process Stack Pointer value to set |
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*/ |
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__STATIC_INLINE void __set_PSP(uint32_t topOfProcStack) |
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{ |
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register uint32_t __regProcessStackPointer __ASM("psp"); |
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__regProcessStackPointer = topOfProcStack; |
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} |
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/** |
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\brief Get Main Stack Pointer |
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\details Returns the current value of the Main Stack Pointer (MSP). |
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\return MSP Register value |
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*/ |
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__STATIC_INLINE uint32_t __get_MSP(void) |
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{ |
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register uint32_t __regMainStackPointer __ASM("msp"); |
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return(__regMainStackPointer); |
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} |
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/** |
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\brief Set Main Stack Pointer |
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\details Assigns the given value to the Main Stack Pointer (MSP). |
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\param [in] topOfMainStack Main Stack Pointer value to set |
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*/ |
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__STATIC_INLINE void __set_MSP(uint32_t topOfMainStack) |
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{ |
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register uint32_t __regMainStackPointer __ASM("msp"); |
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__regMainStackPointer = topOfMainStack; |
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} |
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/** |
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\brief Get Priority Mask |
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\details Returns the current state of the priority mask bit from the Priority Mask Register. |
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\return Priority Mask value |
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*/ |
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__STATIC_INLINE uint32_t __get_PRIMASK(void) |
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{ |
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register uint32_t __regPriMask __ASM("primask"); |
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return(__regPriMask); |
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} |
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/** |
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\brief Set Priority Mask |
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\details Assigns the given value to the Priority Mask Register. |
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\param [in] priMask Priority Mask |
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*/ |
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__STATIC_INLINE void __set_PRIMASK(uint32_t priMask) |
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{ |
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register uint32_t __regPriMask __ASM("primask"); |
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__regPriMask = (priMask); |
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} |
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#if ((defined (__ARM_ARCH_7M__ ) && (__ARM_ARCH_7M__ == 1)) || \ |
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(defined (__ARM_ARCH_7EM__) && (__ARM_ARCH_7EM__ == 1)) ) |
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/** |
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\brief Enable FIQ |
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\details Enables FIQ interrupts by clearing the F-bit in the CPSR. |
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Can only be executed in Privileged modes. |
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*/ |
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#define __enable_fault_irq __enable_fiq |
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/** |
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\brief Disable FIQ |
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\details Disables FIQ interrupts by setting the F-bit in the CPSR. |
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Can only be executed in Privileged modes. |
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*/ |
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#define __disable_fault_irq __disable_fiq |
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/** |
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\brief Get Base Priority |
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\details Returns the current value of the Base Priority register. |
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\return Base Priority register value |
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*/ |
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__STATIC_INLINE uint32_t __get_BASEPRI(void) |
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{ |
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register uint32_t __regBasePri __ASM("basepri"); |
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return(__regBasePri); |
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} |
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/** |
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\brief Set Base Priority |
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\details Assigns the given value to the Base Priority register. |
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\param [in] basePri Base Priority value to set |
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*/ |
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__STATIC_INLINE void __set_BASEPRI(uint32_t basePri) |
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{ |
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register uint32_t __regBasePri __ASM("basepri"); |
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__regBasePri = (basePri & 0xFFU); |
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} |
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/** |
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\brief Set Base Priority with condition |
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\details Assigns the given value to the Base Priority register only if BASEPRI masking is disabled, |
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or the new value increases the BASEPRI priority level. |
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\param [in] basePri Base Priority value to set |
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*/ |
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__STATIC_INLINE void __set_BASEPRI_MAX(uint32_t basePri) |
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{ |
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register uint32_t __regBasePriMax __ASM("basepri_max"); |
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__regBasePriMax = (basePri & 0xFFU); |
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} |
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/** |
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\brief Get Fault Mask |
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\details Returns the current value of the Fault Mask register. |
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\return Fault Mask register value |
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*/ |
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__STATIC_INLINE uint32_t __get_FAULTMASK(void) |
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{ |
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register uint32_t __regFaultMask __ASM("faultmask"); |
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return(__regFaultMask); |
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} |
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/** |
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\brief Set Fault Mask |
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\details Assigns the given value to the Fault Mask register. |
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\param [in] faultMask Fault Mask value to set |
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*/ |
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__STATIC_INLINE void __set_FAULTMASK(uint32_t faultMask) |
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{ |
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register uint32_t __regFaultMask __ASM("faultmask"); |
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__regFaultMask = (faultMask & (uint32_t)1U); |
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} |
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#endif /* ((defined (__ARM_ARCH_7M__ ) && (__ARM_ARCH_7M__ == 1)) || \ |
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(defined (__ARM_ARCH_7EM__) && (__ARM_ARCH_7EM__ == 1)) ) */ |
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/** |
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\brief Get FPSCR |
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\details Returns the current value of the Floating Point Status/Control register. |
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\return Floating Point Status/Control register value |
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*/ |
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__STATIC_INLINE uint32_t __get_FPSCR(void) |
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{ |
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#if ((defined (__FPU_PRESENT) && (__FPU_PRESENT == 1U)) && \ |
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(defined (__FPU_USED ) && (__FPU_USED == 1U)) ) |
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register uint32_t __regfpscr __ASM("fpscr"); |
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return(__regfpscr); |
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#else |
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return(0U); |
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#endif |
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} |
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/** |
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\brief Set FPSCR |
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\details Assigns the given value to the Floating Point Status/Control register. |
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\param [in] fpscr Floating Point Status/Control value to set |
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*/ |
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__STATIC_INLINE void __set_FPSCR(uint32_t fpscr) |
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{ |
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#if ((defined (__FPU_PRESENT) && (__FPU_PRESENT == 1U)) && \ |
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(defined (__FPU_USED ) && (__FPU_USED == 1U)) ) |
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register uint32_t __regfpscr __ASM("fpscr"); |
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__regfpscr = (fpscr); |
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#else |
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(void)fpscr; |
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#endif |
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} |
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/*@} end of CMSIS_Core_RegAccFunctions */ |
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/* ########################## Core Instruction Access ######################### */ |
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/** \defgroup CMSIS_Core_InstructionInterface CMSIS Core Instruction Interface |
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Access to dedicated instructions |
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@{ |
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*/ |
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/** |
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\brief No Operation |
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\details No Operation does nothing. This instruction can be used for code alignment purposes. |
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*/ |
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#define __NOP __nop |
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/** |
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\brief Wait For Interrupt |
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\details Wait For Interrupt is a hint instruction that suspends execution until one of a number of events occurs. |
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*/ |
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#define __WFI __wfi |
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/** |
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\brief Wait For Event |
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\details Wait For Event is a hint instruction that permits the processor to enter |
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a low-power state until one of a number of events occurs. |
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*/ |
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#define __WFE __wfe |
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/** |
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\brief Send Event |
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\details Send Event is a hint instruction. It causes an event to be signaled to the CPU. |
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*/ |
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#define __SEV __sev |
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/** |
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\brief Instruction Synchronization Barrier |
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\details Instruction Synchronization Barrier flushes the pipeline in the processor, |
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so that all instructions following the ISB are fetched from cache or memory, |
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after the instruction has been completed. |
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*/ |
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#define __ISB() do {\ |
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__schedule_barrier();\ |
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__isb(0xF);\ |
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__schedule_barrier();\ |
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} while (0U) |
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/** |
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\brief Data Synchronization Barrier |
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\details Acts as a special kind of Data Memory Barrier. |
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It completes when all explicit memory accesses before this instruction complete. |
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*/ |
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#define __DSB() do {\ |
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__schedule_barrier();\ |
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__dsb(0xF);\ |
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__schedule_barrier();\ |
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} while (0U) |
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/** |
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\brief Data Memory Barrier |
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\details Ensures the apparent order of the explicit memory operations before |
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and after the instruction, without ensuring their completion. |
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*/ |
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#define __DMB() do {\ |
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__schedule_barrier();\ |
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__dmb(0xF);\ |
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__schedule_barrier();\ |
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} while (0U) |
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/** |
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\brief Reverse byte order (32 bit) |
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\details Reverses the byte order in unsigned integer value. For example, 0x12345678 becomes 0x78563412. |
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\param [in] value Value to reverse |
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\return Reversed value |
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*/ |
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#define __REV __rev |
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/** |
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\brief Reverse byte order (16 bit) |
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\details Reverses the byte order within each halfword of a word. For example, 0x12345678 becomes 0x34127856. |
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\param [in] value Value to reverse |
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\return Reversed value |
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*/ |
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#ifndef __NO_EMBEDDED_ASM |
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__attribute__((section(".rev16_text"))) __STATIC_INLINE __ASM uint32_t __REV16(uint32_t value) |
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{ |
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rev16 r0, r0 |
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bx lr |
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} |
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#endif |
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/** |
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\brief Reverse byte order (16 bit) |
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\details Reverses the byte order in a 16-bit value and returns the signed 16-bit result. For example, 0x0080 becomes 0x8000. |
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\param [in] value Value to reverse |
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\return Reversed value |
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*/ |
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#ifndef __NO_EMBEDDED_ASM |
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__attribute__((section(".revsh_text"))) __STATIC_INLINE __ASM int16_t __REVSH(int16_t value) |
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{ |
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revsh r0, r0 |
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bx lr |
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} |
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#endif |
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/** |
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\brief Rotate Right in unsigned value (32 bit) |
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\details Rotate Right (immediate) provides the value of the contents of a register rotated by a variable number of bits. |
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\param [in] op1 Value to rotate |
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\param [in] op2 Number of Bits to rotate |
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\return Rotated value |
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*/ |
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#define __ROR __ror |
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/** |
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\brief Breakpoint |
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\details Causes the processor to enter Debug state. |
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Debug tools can use this to investigate system state when the instruction at a particular address is reached. |
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\param [in] value is ignored by the processor. |
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If required, a debugger can use it to store additional information about the breakpoint. |
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*/ |
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#define __BKPT(value) __breakpoint(value) |
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/** |
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\brief Reverse bit order of value |
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\details Reverses the bit order of the given value. |
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\param [in] value Value to reverse |
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\return Reversed value |
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*/ |
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#if ((defined (__ARM_ARCH_7M__ ) && (__ARM_ARCH_7M__ == 1)) || \ |
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(defined (__ARM_ARCH_7EM__) && (__ARM_ARCH_7EM__ == 1)) ) |
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#define __RBIT __rbit |
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#else |
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__attribute__((always_inline)) __STATIC_INLINE uint32_t __RBIT(uint32_t value) |
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{ |
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uint32_t result; |
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uint32_t s = (4U /*sizeof(v)*/ * 8U) - 1U; /* extra shift needed at end */ |
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result = value; /* r will be reversed bits of v; first get LSB of v */ |
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for (value >>= 1U; value != 0U; value >>= 1U) |
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{ |
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result <<= 1U; |
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result |= value & 1U; |
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s--; |
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} |
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result <<= s; /* shift when v's highest bits are zero */ |
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return result; |
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} |
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#endif |
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/** |
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\brief Count leading zeros |
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\details Counts the number of leading zeros of a data value. |
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\param [in] value Value to count the leading zeros |
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\return number of leading zeros in value |
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*/ |
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#define __CLZ __clz |
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#if ((defined (__ARM_ARCH_7M__ ) && (__ARM_ARCH_7M__ == 1)) || \ |
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(defined (__ARM_ARCH_7EM__) && (__ARM_ARCH_7EM__ == 1)) ) |
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/** |
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\brief LDR Exclusive (8 bit) |
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\details Executes a exclusive LDR instruction for 8 bit value. |
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\param [in] ptr Pointer to data |
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\return value of type uint8_t at (*ptr) |
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*/ |
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#if defined(__ARMCC_VERSION) && (__ARMCC_VERSION < 5060020) |
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#define __LDREXB(ptr) ((uint8_t ) __ldrex(ptr)) |
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#else |
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#define __LDREXB(ptr) _Pragma("push") _Pragma("diag_suppress 3731") ((uint8_t ) __ldrex(ptr)) _Pragma("pop") |
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#endif |
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/** |
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\brief LDR Exclusive (16 bit) |
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\details Executes a exclusive LDR instruction for 16 bit values. |
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\param [in] ptr Pointer to data |
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\return value of type uint16_t at (*ptr) |
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*/ |
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#if defined(__ARMCC_VERSION) && (__ARMCC_VERSION < 5060020) |
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#define __LDREXH(ptr) ((uint16_t) __ldrex(ptr)) |
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#else |
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#define __LDREXH(ptr) _Pragma("push") _Pragma("diag_suppress 3731") ((uint16_t) __ldrex(ptr)) _Pragma("pop") |
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#endif |
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/** |
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\brief LDR Exclusive (32 bit) |
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\details Executes a exclusive LDR instruction for 32 bit values. |
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\param [in] ptr Pointer to data |
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\return value of type uint32_t at (*ptr) |
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*/ |
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#if defined(__ARMCC_VERSION) && (__ARMCC_VERSION < 5060020) |
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#define __LDREXW(ptr) ((uint32_t ) __ldrex(ptr)) |
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#else |
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#define __LDREXW(ptr) _Pragma("push") _Pragma("diag_suppress 3731") ((uint32_t ) __ldrex(ptr)) _Pragma("pop") |
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#endif |
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/** |
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\brief STR Exclusive (8 bit) |
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\details Executes a exclusive STR instruction for 8 bit values. |
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\param [in] value Value to store |
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\param [in] ptr Pointer to location |
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\return 0 Function succeeded |
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\return 1 Function failed |
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*/ |
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#if defined(__ARMCC_VERSION) && (__ARMCC_VERSION < 5060020) |
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#define __STREXB(value, ptr) __strex(value, ptr) |
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#else |
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#define __STREXB(value, ptr) _Pragma("push") _Pragma("diag_suppress 3731") __strex(value, ptr) _Pragma("pop") |
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#endif |
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/** |
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\brief STR Exclusive (16 bit) |
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\details Executes a exclusive STR instruction for 16 bit values. |
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\param [in] value Value to store |
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\param [in] ptr Pointer to location |
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\return 0 Function succeeded |
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\return 1 Function failed |
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*/ |
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#if defined(__ARMCC_VERSION) && (__ARMCC_VERSION < 5060020) |
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#define __STREXH(value, ptr) __strex(value, ptr) |
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#else |
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#define __STREXH(value, ptr) _Pragma("push") _Pragma("diag_suppress 3731") __strex(value, ptr) _Pragma("pop") |
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#endif |
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/** |
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\brief STR Exclusive (32 bit) |
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\details Executes a exclusive STR instruction for 32 bit values. |
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\param [in] value Value to store |
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\param [in] ptr Pointer to location |
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\return 0 Function succeeded |
|
\return 1 Function failed |
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*/ |
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#if defined(__ARMCC_VERSION) && (__ARMCC_VERSION < 5060020) |
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#define __STREXW(value, ptr) __strex(value, ptr) |
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#else |
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#define __STREXW(value, ptr) _Pragma("push") _Pragma("diag_suppress 3731") __strex(value, ptr) _Pragma("pop") |
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#endif |
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/** |
|
\brief Remove the exclusive lock |
|
\details Removes the exclusive lock which is created by LDREX. |
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*/ |
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#define __CLREX __clrex |
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/** |
|
\brief Signed Saturate |
|
\details Saturates a signed value. |
|
\param [in] value Value to be saturated |
|
\param [in] sat Bit position to saturate to (1..32) |
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\return Saturated value |
|
*/ |
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#define __SSAT __ssat |
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|
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/** |
|
\brief Unsigned Saturate |
|
\details Saturates an unsigned value. |
|
\param [in] value Value to be saturated |
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\param [in] sat Bit position to saturate to (0..31) |
|
\return Saturated value |
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*/ |
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#define __USAT __usat |
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|
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/** |
|
\brief Rotate Right with Extend (32 bit) |
|
\details Moves each bit of a bitstring right by one bit. |
|
The carry input is shifted in at the left end of the bitstring. |
|
\param [in] value Value to rotate |
|
\return Rotated value |
|
*/ |
|
#ifndef __NO_EMBEDDED_ASM |
|
__attribute__((section(".rrx_text"))) __STATIC_INLINE __ASM uint32_t __RRX(uint32_t value) |
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{ |
|
rrx r0, r0 |
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bx lr |
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} |
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#endif |
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/** |
|
\brief LDRT Unprivileged (8 bit) |
|
\details Executes a Unprivileged LDRT instruction for 8 bit value. |
|
\param [in] ptr Pointer to data |
|
\return value of type uint8_t at (*ptr) |
|
*/ |
|
#define __LDRBT(ptr) ((uint8_t ) __ldrt(ptr)) |
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/** |
|
\brief LDRT Unprivileged (16 bit) |
|
\details Executes a Unprivileged LDRT instruction for 16 bit values. |
|
\param [in] ptr Pointer to data |
|
\return value of type uint16_t at (*ptr) |
|
*/ |
|
#define __LDRHT(ptr) ((uint16_t) __ldrt(ptr)) |
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/** |
|
\brief LDRT Unprivileged (32 bit) |
|
\details Executes a Unprivileged LDRT instruction for 32 bit values. |
|
\param [in] ptr Pointer to data |
|
\return value of type uint32_t at (*ptr) |
|
*/ |
|
#define __LDRT(ptr) ((uint32_t ) __ldrt(ptr)) |
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|
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|
/** |
|
\brief STRT Unprivileged (8 bit) |
|
\details Executes a Unprivileged STRT instruction for 8 bit values. |
|
\param [in] value Value to store |
|
\param [in] ptr Pointer to location |
|
*/ |
|
#define __STRBT(value, ptr) __strt(value, ptr) |
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|
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|
|
/** |
|
\brief STRT Unprivileged (16 bit) |
|
\details Executes a Unprivileged STRT instruction for 16 bit values. |
|
\param [in] value Value to store |
|
\param [in] ptr Pointer to location |
|
*/ |
|
#define __STRHT(value, ptr) __strt(value, ptr) |
|
|
|
|
|
/** |
|
\brief STRT Unprivileged (32 bit) |
|
\details Executes a Unprivileged STRT instruction for 32 bit values. |
|
\param [in] value Value to store |
|
\param [in] ptr Pointer to location |
|
*/ |
|
#define __STRT(value, ptr) __strt(value, ptr) |
|
|
|
#else /* ((defined (__ARM_ARCH_7M__ ) && (__ARM_ARCH_7M__ == 1)) || \ |
|
(defined (__ARM_ARCH_7EM__) && (__ARM_ARCH_7EM__ == 1)) ) */ |
|
|
|
/** |
|
\brief Signed Saturate |
|
\details Saturates a signed value. |
|
\param [in] value Value to be saturated |
|
\param [in] sat Bit position to saturate to (1..32) |
|
\return Saturated value |
|
*/ |
|
__attribute__((always_inline)) __STATIC_INLINE int32_t __SSAT(int32_t val, uint32_t sat) |
|
{ |
|
if ((sat >= 1U) && (sat <= 32U)) |
|
{ |
|
const int32_t max = (int32_t)((1U << (sat - 1U)) - 1U); |
|
const int32_t min = -1 - max ; |
|
if (val > max) |
|
{ |
|
return max; |
|
} |
|
else if (val < min) |
|
{ |
|
return min; |
|
} |
|
} |
|
return val; |
|
} |
|
|
|
/** |
|
\brief Unsigned Saturate |
|
\details Saturates an unsigned value. |
|
\param [in] value Value to be saturated |
|
\param [in] sat Bit position to saturate to (0..31) |
|
\return Saturated value |
|
*/ |
|
__attribute__((always_inline)) __STATIC_INLINE uint32_t __USAT(int32_t val, uint32_t sat) |
|
{ |
|
if (sat <= 31U) |
|
{ |
|
const uint32_t max = ((1U << sat) - 1U); |
|
if (val > (int32_t)max) |
|
{ |
|
return max; |
|
} |
|
else if (val < 0) |
|
{ |
|
return 0U; |
|
} |
|
} |
|
return (uint32_t)val; |
|
} |
|
|
|
#endif /* ((defined (__ARM_ARCH_7M__ ) && (__ARM_ARCH_7M__ == 1)) || \ |
|
(defined (__ARM_ARCH_7EM__) && (__ARM_ARCH_7EM__ == 1)) ) */ |
|
|
|
/*@}*/ /* end of group CMSIS_Core_InstructionInterface */ |
|
|
|
|
|
/* ################### Compiler specific Intrinsics ########################### */ |
|
/** \defgroup CMSIS_SIMD_intrinsics CMSIS SIMD Intrinsics |
|
Access to dedicated SIMD instructions |
|
@{ |
|
*/ |
|
|
|
#if ((defined (__ARM_ARCH_7EM__) && (__ARM_ARCH_7EM__ == 1)) ) |
|
|
|
#define __SADD8 __sadd8 |
|
#define __QADD8 __qadd8 |
|
#define __SHADD8 __shadd8 |
|
#define __UADD8 __uadd8 |
|
#define __UQADD8 __uqadd8 |
|
#define __UHADD8 __uhadd8 |
|
#define __SSUB8 __ssub8 |
|
#define __QSUB8 __qsub8 |
|
#define __SHSUB8 __shsub8 |
|
#define __USUB8 __usub8 |
|
#define __UQSUB8 __uqsub8 |
|
#define __UHSUB8 __uhsub8 |
|
#define __SADD16 __sadd16 |
|
#define __QADD16 __qadd16 |
|
#define __SHADD16 __shadd16 |
|
#define __UADD16 __uadd16 |
|
#define __UQADD16 __uqadd16 |
|
#define __UHADD16 __uhadd16 |
|
#define __SSUB16 __ssub16 |
|
#define __QSUB16 __qsub16 |
|
#define __SHSUB16 __shsub16 |
|
#define __USUB16 __usub16 |
|
#define __UQSUB16 __uqsub16 |
|
#define __UHSUB16 __uhsub16 |
|
#define __SASX __sasx |
|
#define __QASX __qasx |
|
#define __SHASX __shasx |
|
#define __UASX __uasx |
|
#define __UQASX __uqasx |
|
#define __UHASX __uhasx |
|
#define __SSAX __ssax |
|
#define __QSAX __qsax |
|
#define __SHSAX __shsax |
|
#define __USAX __usax |
|
#define __UQSAX __uqsax |
|
#define __UHSAX __uhsax |
|
#define __USAD8 __usad8 |
|
#define __USADA8 __usada8 |
|
#define __SSAT16 __ssat16 |
|
#define __USAT16 __usat16 |
|
#define __UXTB16 __uxtb16 |
|
#define __UXTAB16 __uxtab16 |
|
#define __SXTB16 __sxtb16 |
|
#define __SXTAB16 __sxtab16 |
|
#define __SMUAD __smuad |
|
#define __SMUADX __smuadx |
|
#define __SMLAD __smlad |
|
#define __SMLADX __smladx |
|
#define __SMLALD __smlald |
|
#define __SMLALDX __smlaldx |
|
#define __SMUSD __smusd |
|
#define __SMUSDX __smusdx |
|
#define __SMLSD __smlsd |
|
#define __SMLSDX __smlsdx |
|
#define __SMLSLD __smlsld |
|
#define __SMLSLDX __smlsldx |
|
#define __SEL __sel |
|
#define __QADD __qadd |
|
#define __QSUB __qsub |
|
|
|
#define __PKHBT(ARG1,ARG2,ARG3) ( ((((uint32_t)(ARG1)) ) & 0x0000FFFFUL) | \ |
|
((((uint32_t)(ARG2)) << (ARG3)) & 0xFFFF0000UL) ) |
|
|
|
#define __PKHTB(ARG1,ARG2,ARG3) ( ((((uint32_t)(ARG1)) ) & 0xFFFF0000UL) | \ |
|
((((uint32_t)(ARG2)) >> (ARG3)) & 0x0000FFFFUL) ) |
|
|
|
#define __SMMLA(ARG1,ARG2,ARG3) ( (int32_t)((((int64_t)(ARG1) * (ARG2)) + \ |
|
((int64_t)(ARG3) << 32U) ) >> 32U)) |
|
|
|
#endif /* ((defined (__ARM_ARCH_7EM__) && (__ARM_ARCH_7EM__ == 1)) ) */ |
|
/*@} end of group CMSIS_SIMD_intrinsics */ |
|
|
|
|
|
#endif /* __CMSIS_ARMCC_H */
|
|
|