[3] | 1 | /**************************************************************************//** |
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| 2 | * @file cmsis_armcc.h |
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| 3 | * @brief CMSIS compiler ARMCC (Arm Compiler 5) header file |
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| 4 | * @version V5.1.0 |
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| 5 | * @date 08. May 2019 |
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| 6 | ******************************************************************************/ |
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| 7 | /* |
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| 8 | * Copyright (c) 2009-2019 Arm Limited. All rights reserved. |
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| 9 | * |
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| 10 | * SPDX-License-Identifier: Apache-2.0 |
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| 11 | * |
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| 12 | * Licensed under the Apache License, Version 2.0 (the License); you may |
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| 13 | * not use this file except in compliance with the License. |
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| 14 | * You may obtain a copy of the License at |
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| 15 | * |
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| 16 | * www.apache.org/licenses/LICENSE-2.0 |
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| 17 | * |
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| 18 | * Unless required by applicable law or agreed to in writing, software |
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| 19 | * distributed under the License is distributed on an AS IS BASIS, WITHOUT |
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| 20 | * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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| 21 | * See the License for the specific language governing permissions and |
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| 22 | * limitations under the License. |
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| 23 | */ |
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| 24 | |
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| 25 | #ifndef __CMSIS_ARMCC_H |
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| 26 | #define __CMSIS_ARMCC_H |
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| 27 | |
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| 28 | |
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| 29 | #if defined(__ARMCC_VERSION) && (__ARMCC_VERSION < 400677) |
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| 30 | #error "Please use Arm Compiler Toolchain V4.0.677 or later!" |
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| 31 | #endif |
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| 32 | |
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| 33 | /* CMSIS compiler control architecture macros */ |
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| 34 | #if ((defined (__TARGET_ARCH_6_M ) && (__TARGET_ARCH_6_M == 1)) || \ |
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| 35 | (defined (__TARGET_ARCH_6S_M ) && (__TARGET_ARCH_6S_M == 1)) ) |
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| 36 | #define __ARM_ARCH_6M__ 1 |
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| 37 | #endif |
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| 38 | |
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| 39 | #if (defined (__TARGET_ARCH_7_M ) && (__TARGET_ARCH_7_M == 1)) |
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| 40 | #define __ARM_ARCH_7M__ 1 |
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| 41 | #endif |
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| 42 | |
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| 43 | #if (defined (__TARGET_ARCH_7E_M) && (__TARGET_ARCH_7E_M == 1)) |
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| 44 | #define __ARM_ARCH_7EM__ 1 |
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| 45 | #endif |
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| 46 | |
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| 47 | /* __ARM_ARCH_8M_BASE__ not applicable */ |
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| 48 | /* __ARM_ARCH_8M_MAIN__ not applicable */ |
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| 49 | |
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| 50 | /* CMSIS compiler control DSP macros */ |
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| 51 | #if ((defined (__ARM_ARCH_7EM__) && (__ARM_ARCH_7EM__ == 1)) ) |
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| 52 | #define __ARM_FEATURE_DSP 1 |
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| 53 | #endif |
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| 54 | |
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| 55 | /* CMSIS compiler specific defines */ |
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| 56 | #ifndef __ASM |
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| 57 | #define __ASM __asm |
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| 58 | #endif |
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| 59 | #ifndef __INLINE |
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| 60 | #define __INLINE __inline |
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| 61 | #endif |
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| 62 | #ifndef __STATIC_INLINE |
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| 63 | #define __STATIC_INLINE static __inline |
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| 64 | #endif |
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| 65 | #ifndef __STATIC_FORCEINLINE |
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| 66 | #define __STATIC_FORCEINLINE static __forceinline |
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| 67 | #endif |
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| 68 | #ifndef __NO_RETURN |
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| 69 | #define __NO_RETURN __declspec(noreturn) |
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| 70 | #endif |
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| 71 | #ifndef __USED |
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| 72 | #define __USED __attribute__((used)) |
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| 73 | #endif |
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| 74 | #ifndef __WEAK |
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| 75 | #define __WEAK __attribute__((weak)) |
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| 76 | #endif |
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| 77 | #ifndef __PACKED |
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| 78 | #define __PACKED __attribute__((packed)) |
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| 79 | #endif |
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| 80 | #ifndef __PACKED_STRUCT |
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| 81 | #define __PACKED_STRUCT __packed struct |
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| 82 | #endif |
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| 83 | #ifndef __PACKED_UNION |
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| 84 | #define __PACKED_UNION __packed union |
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| 85 | #endif |
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| 86 | #ifndef __UNALIGNED_UINT32 /* deprecated */ |
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| 87 | #define __UNALIGNED_UINT32(x) (*((__packed uint32_t *)(x))) |
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| 88 | #endif |
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| 89 | #ifndef __UNALIGNED_UINT16_WRITE |
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| 90 | #define __UNALIGNED_UINT16_WRITE(addr, val) ((*((__packed uint16_t *)(addr))) = (val)) |
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| 91 | #endif |
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| 92 | #ifndef __UNALIGNED_UINT16_READ |
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| 93 | #define __UNALIGNED_UINT16_READ(addr) (*((const __packed uint16_t *)(addr))) |
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| 94 | #endif |
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| 95 | #ifndef __UNALIGNED_UINT32_WRITE |
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| 96 | #define __UNALIGNED_UINT32_WRITE(addr, val) ((*((__packed uint32_t *)(addr))) = (val)) |
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| 97 | #endif |
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| 98 | #ifndef __UNALIGNED_UINT32_READ |
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| 99 | #define __UNALIGNED_UINT32_READ(addr) (*((const __packed uint32_t *)(addr))) |
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| 100 | #endif |
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| 101 | #ifndef __ALIGNED |
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| 102 | #define __ALIGNED(x) __attribute__((aligned(x))) |
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| 103 | #endif |
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| 104 | #ifndef __RESTRICT |
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| 105 | #define __RESTRICT __restrict |
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| 106 | #endif |
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| 107 | #ifndef __COMPILER_BARRIER |
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| 108 | #define __COMPILER_BARRIER() __memory_changed() |
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| 109 | #endif |
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| 110 | |
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| 111 | /* ######################### Startup and Lowlevel Init ######################## */ |
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| 112 | |
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| 113 | #ifndef __PROGRAM_START |
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| 114 | #define __PROGRAM_START __main |
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| 115 | #endif |
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| 116 | |
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| 117 | #ifndef __INITIAL_SP |
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| 118 | #define __INITIAL_SP Image$$ARM_LIB_STACK$$ZI$$Limit |
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| 119 | #endif |
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| 120 | |
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| 121 | #ifndef __STACK_LIMIT |
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| 122 | #define __STACK_LIMIT Image$$ARM_LIB_STACK$$ZI$$Base |
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| 123 | #endif |
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| 124 | |
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| 125 | #ifndef __VECTOR_TABLE |
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| 126 | #define __VECTOR_TABLE __Vectors |
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| 127 | #endif |
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| 128 | |
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| 129 | #ifndef __VECTOR_TABLE_ATTRIBUTE |
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| 130 | #define __VECTOR_TABLE_ATTRIBUTE __attribute((used, section("RESET"))) |
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| 131 | #endif |
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| 132 | |
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| 133 | /* ########################### Core Function Access ########################### */ |
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| 134 | /** \ingroup CMSIS_Core_FunctionInterface |
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| 135 | \defgroup CMSIS_Core_RegAccFunctions CMSIS Core Register Access Functions |
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| 136 | @{ |
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| 137 | */ |
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| 138 | |
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| 139 | /** |
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| 140 | \brief Enable IRQ Interrupts |
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| 141 | \details Enables IRQ interrupts by clearing the I-bit in the CPSR. |
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| 142 | Can only be executed in Privileged modes. |
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| 143 | */ |
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| 144 | /* intrinsic void __enable_irq(); */ |
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| 145 | |
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| 146 | |
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| 147 | /** |
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| 148 | \brief Disable IRQ Interrupts |
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| 149 | \details Disables IRQ interrupts by setting the I-bit in the CPSR. |
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| 150 | Can only be executed in Privileged modes. |
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| 151 | */ |
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| 152 | /* intrinsic void __disable_irq(); */ |
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| 153 | |
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| 154 | /** |
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| 155 | \brief Get Control Register |
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| 156 | \details Returns the content of the Control Register. |
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| 157 | \return Control Register value |
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| 158 | */ |
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| 159 | __STATIC_INLINE uint32_t __get_CONTROL(void) |
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| 160 | { |
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| 161 | register uint32_t __regControl __ASM("control"); |
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| 162 | return(__regControl); |
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| 163 | } |
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| 164 | |
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| 165 | |
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| 166 | /** |
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| 167 | \brief Set Control Register |
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| 168 | \details Writes the given value to the Control Register. |
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| 169 | \param [in] control Control Register value to set |
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| 170 | */ |
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| 171 | __STATIC_INLINE void __set_CONTROL(uint32_t control) |
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| 172 | { |
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| 173 | register uint32_t __regControl __ASM("control"); |
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| 174 | __regControl = control; |
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| 175 | } |
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| 176 | |
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| 177 | |
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| 178 | /** |
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| 179 | \brief Get IPSR Register |
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| 180 | \details Returns the content of the IPSR Register. |
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| 181 | \return IPSR Register value |
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| 182 | */ |
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| 183 | __STATIC_INLINE uint32_t __get_IPSR(void) |
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| 184 | { |
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| 185 | register uint32_t __regIPSR __ASM("ipsr"); |
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| 186 | return(__regIPSR); |
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| 187 | } |
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| 188 | |
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| 189 | |
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| 190 | /** |
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| 191 | \brief Get APSR Register |
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| 192 | \details Returns the content of the APSR Register. |
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| 193 | \return APSR Register value |
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| 194 | */ |
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| 195 | __STATIC_INLINE uint32_t __get_APSR(void) |
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| 196 | { |
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| 197 | register uint32_t __regAPSR __ASM("apsr"); |
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| 198 | return(__regAPSR); |
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| 199 | } |
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| 200 | |
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| 201 | |
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| 202 | /** |
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| 203 | \brief Get xPSR Register |
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| 204 | \details Returns the content of the xPSR Register. |
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| 205 | \return xPSR Register value |
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| 206 | */ |
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| 207 | __STATIC_INLINE uint32_t __get_xPSR(void) |
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| 208 | { |
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| 209 | register uint32_t __regXPSR __ASM("xpsr"); |
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| 210 | return(__regXPSR); |
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| 211 | } |
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| 212 | |
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| 213 | |
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| 214 | /** |
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| 215 | \brief Get Process Stack Pointer |
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| 216 | \details Returns the current value of the Process Stack Pointer (PSP). |
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| 217 | \return PSP Register value |
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| 218 | */ |
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| 219 | __STATIC_INLINE uint32_t __get_PSP(void) |
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| 220 | { |
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| 221 | register uint32_t __regProcessStackPointer __ASM("psp"); |
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| 222 | return(__regProcessStackPointer); |
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| 223 | } |
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| 224 | |
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| 225 | |
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| 226 | /** |
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| 227 | \brief Set Process Stack Pointer |
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| 228 | \details Assigns the given value to the Process Stack Pointer (PSP). |
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| 229 | \param [in] topOfProcStack Process Stack Pointer value to set |
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| 230 | */ |
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| 231 | __STATIC_INLINE void __set_PSP(uint32_t topOfProcStack) |
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| 232 | { |
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| 233 | register uint32_t __regProcessStackPointer __ASM("psp"); |
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| 234 | __regProcessStackPointer = topOfProcStack; |
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| 235 | } |
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| 236 | |
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| 237 | |
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| 238 | /** |
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| 239 | \brief Get Main Stack Pointer |
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| 240 | \details Returns the current value of the Main Stack Pointer (MSP). |
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| 241 | \return MSP Register value |
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| 242 | */ |
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| 243 | __STATIC_INLINE uint32_t __get_MSP(void) |
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| 244 | { |
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| 245 | register uint32_t __regMainStackPointer __ASM("msp"); |
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| 246 | return(__regMainStackPointer); |
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| 247 | } |
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| 248 | |
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| 249 | |
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| 250 | /** |
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| 251 | \brief Set Main Stack Pointer |
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| 252 | \details Assigns the given value to the Main Stack Pointer (MSP). |
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| 253 | \param [in] topOfMainStack Main Stack Pointer value to set |
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| 254 | */ |
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| 255 | __STATIC_INLINE void __set_MSP(uint32_t topOfMainStack) |
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| 256 | { |
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| 257 | register uint32_t __regMainStackPointer __ASM("msp"); |
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| 258 | __regMainStackPointer = topOfMainStack; |
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| 259 | } |
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| 260 | |
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| 261 | |
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| 262 | /** |
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| 263 | \brief Get Priority Mask |
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| 264 | \details Returns the current state of the priority mask bit from the Priority Mask Register. |
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| 265 | \return Priority Mask value |
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| 266 | */ |
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| 267 | __STATIC_INLINE uint32_t __get_PRIMASK(void) |
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| 268 | { |
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| 269 | register uint32_t __regPriMask __ASM("primask"); |
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| 270 | return(__regPriMask); |
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| 271 | } |
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| 272 | |
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| 273 | |
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| 274 | /** |
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| 275 | \brief Set Priority Mask |
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| 276 | \details Assigns the given value to the Priority Mask Register. |
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| 277 | \param [in] priMask Priority Mask |
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| 278 | */ |
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| 279 | __STATIC_INLINE void __set_PRIMASK(uint32_t priMask) |
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| 280 | { |
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| 281 | register uint32_t __regPriMask __ASM("primask"); |
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| 282 | __regPriMask = (priMask); |
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| 283 | } |
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| 284 | |
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| 285 | |
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| 286 | #if ((defined (__ARM_ARCH_7M__ ) && (__ARM_ARCH_7M__ == 1)) || \ |
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| 287 | (defined (__ARM_ARCH_7EM__) && (__ARM_ARCH_7EM__ == 1)) ) |
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| 288 | |
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| 289 | /** |
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| 290 | \brief Enable FIQ |
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| 291 | \details Enables FIQ interrupts by clearing the F-bit in the CPSR. |
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| 292 | Can only be executed in Privileged modes. |
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| 293 | */ |
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| 294 | #define __enable_fault_irq __enable_fiq |
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| 295 | |
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| 296 | |
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| 297 | /** |
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| 298 | \brief Disable FIQ |
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| 299 | \details Disables FIQ interrupts by setting the F-bit in the CPSR. |
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| 300 | Can only be executed in Privileged modes. |
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| 301 | */ |
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| 302 | #define __disable_fault_irq __disable_fiq |
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| 303 | |
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| 304 | |
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| 305 | /** |
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| 306 | \brief Get Base Priority |
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| 307 | \details Returns the current value of the Base Priority register. |
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| 308 | \return Base Priority register value |
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| 309 | */ |
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| 310 | __STATIC_INLINE uint32_t __get_BASEPRI(void) |
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| 311 | { |
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| 312 | register uint32_t __regBasePri __ASM("basepri"); |
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| 313 | return(__regBasePri); |
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| 314 | } |
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| 315 | |
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| 316 | |
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| 317 | /** |
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| 318 | \brief Set Base Priority |
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| 319 | \details Assigns the given value to the Base Priority register. |
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| 320 | \param [in] basePri Base Priority value to set |
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| 321 | */ |
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| 322 | __STATIC_INLINE void __set_BASEPRI(uint32_t basePri) |
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| 323 | { |
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| 324 | register uint32_t __regBasePri __ASM("basepri"); |
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| 325 | __regBasePri = (basePri & 0xFFU); |
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| 326 | } |
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| 327 | |
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| 328 | |
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| 329 | /** |
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| 330 | \brief Set Base Priority with condition |
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| 331 | \details Assigns the given value to the Base Priority register only if BASEPRI masking is disabled, |
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| 332 | or the new value increases the BASEPRI priority level. |
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| 333 | \param [in] basePri Base Priority value to set |
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| 334 | */ |
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| 335 | __STATIC_INLINE void __set_BASEPRI_MAX(uint32_t basePri) |
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| 336 | { |
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| 337 | register uint32_t __regBasePriMax __ASM("basepri_max"); |
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| 338 | __regBasePriMax = (basePri & 0xFFU); |
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| 339 | } |
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| 340 | |
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| 341 | |
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| 342 | /** |
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| 343 | \brief Get Fault Mask |
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| 344 | \details Returns the current value of the Fault Mask register. |
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| 345 | \return Fault Mask register value |
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| 346 | */ |
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| 347 | __STATIC_INLINE uint32_t __get_FAULTMASK(void) |
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| 348 | { |
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| 349 | register uint32_t __regFaultMask __ASM("faultmask"); |
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| 350 | return(__regFaultMask); |
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| 351 | } |
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| 352 | |
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| 353 | |
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| 354 | /** |
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| 355 | \brief Set Fault Mask |
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| 356 | \details Assigns the given value to the Fault Mask register. |
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| 357 | \param [in] faultMask Fault Mask value to set |
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| 358 | */ |
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| 359 | __STATIC_INLINE void __set_FAULTMASK(uint32_t faultMask) |
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| 360 | { |
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| 361 | register uint32_t __regFaultMask __ASM("faultmask"); |
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| 362 | __regFaultMask = (faultMask & (uint32_t)1U); |
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| 363 | } |
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| 364 | |
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| 365 | #endif /* ((defined (__ARM_ARCH_7M__ ) && (__ARM_ARCH_7M__ == 1)) || \ |
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| 366 | (defined (__ARM_ARCH_7EM__) && (__ARM_ARCH_7EM__ == 1)) ) */ |
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| 367 | |
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| 368 | |
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| 369 | /** |
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| 370 | \brief Get FPSCR |
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| 371 | \details Returns the current value of the Floating Point Status/Control register. |
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| 372 | \return Floating Point Status/Control register value |
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| 373 | */ |
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| 374 | __STATIC_INLINE uint32_t __get_FPSCR(void) |
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| 375 | { |
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| 376 | #if ((defined (__FPU_PRESENT) && (__FPU_PRESENT == 1U)) && \ |
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| 377 | (defined (__FPU_USED ) && (__FPU_USED == 1U)) ) |
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| 378 | register uint32_t __regfpscr __ASM("fpscr"); |
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| 379 | return(__regfpscr); |
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| 380 | #else |
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| 381 | return(0U); |
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| 382 | #endif |
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| 383 | } |
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| 384 | |
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| 385 | |
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| 386 | /** |
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| 387 | \brief Set FPSCR |
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| 388 | \details Assigns the given value to the Floating Point Status/Control register. |
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| 389 | \param [in] fpscr Floating Point Status/Control value to set |
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| 390 | */ |
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| 391 | __STATIC_INLINE void __set_FPSCR(uint32_t fpscr) |
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| 392 | { |
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| 393 | #if ((defined (__FPU_PRESENT) && (__FPU_PRESENT == 1U)) && \ |
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| 394 | (defined (__FPU_USED ) && (__FPU_USED == 1U)) ) |
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| 395 | register uint32_t __regfpscr __ASM("fpscr"); |
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| 396 | __regfpscr = (fpscr); |
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| 397 | #else |
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| 398 | (void)fpscr; |
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| 399 | #endif |
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| 400 | } |
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| 401 | |
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| 402 | |
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| 403 | /*@} end of CMSIS_Core_RegAccFunctions */ |
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| 404 | |
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| 405 | |
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| 406 | /* ########################## Core Instruction Access ######################### */ |
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| 407 | /** \defgroup CMSIS_Core_InstructionInterface CMSIS Core Instruction Interface |
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| 408 | Access to dedicated instructions |
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| 409 | @{ |
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| 410 | */ |
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| 411 | |
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| 412 | /** |
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| 413 | \brief No Operation |
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| 414 | \details No Operation does nothing. This instruction can be used for code alignment purposes. |
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| 415 | */ |
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| 416 | #define __NOP __nop |
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| 417 | |
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| 418 | |
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| 419 | /** |
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| 420 | \brief Wait For Interrupt |
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| 421 | \details Wait For Interrupt is a hint instruction that suspends execution until one of a number of events occurs. |
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| 422 | */ |
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| 423 | #define __WFI __wfi |
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| 424 | |
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| 425 | |
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| 426 | /** |
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| 427 | \brief Wait For Event |
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| 428 | \details Wait For Event is a hint instruction that permits the processor to enter |
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| 429 | a low-power state until one of a number of events occurs. |
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| 430 | */ |
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| 431 | #define __WFE __wfe |
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| 432 | |
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| 433 | |
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| 434 | /** |
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| 435 | \brief Send Event |
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| 436 | \details Send Event is a hint instruction. It causes an event to be signaled to the CPU. |
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| 437 | */ |
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| 438 | #define __SEV __sev |
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| 439 | |
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| 440 | |
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| 441 | /** |
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| 442 | \brief Instruction Synchronization Barrier |
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| 443 | \details Instruction Synchronization Barrier flushes the pipeline in the processor, |
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| 444 | so that all instructions following the ISB are fetched from cache or memory, |
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| 445 | after the instruction has been completed. |
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| 446 | */ |
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| 447 | #define __ISB() do {\ |
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| 448 | __schedule_barrier();\ |
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| 449 | __isb(0xF);\ |
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| 450 | __schedule_barrier();\ |
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| 451 | } while (0U) |
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| 452 | |
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| 453 | /** |
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| 454 | \brief Data Synchronization Barrier |
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| 455 | \details Acts as a special kind of Data Memory Barrier. |
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| 456 | It completes when all explicit memory accesses before this instruction complete. |
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| 457 | */ |
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| 458 | #define __DSB() do {\ |
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| 459 | __schedule_barrier();\ |
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| 460 | __dsb(0xF);\ |
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| 461 | __schedule_barrier();\ |
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| 462 | } while (0U) |
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| 463 | |
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| 464 | /** |
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| 465 | \brief Data Memory Barrier |
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| 466 | \details Ensures the apparent order of the explicit memory operations before |
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| 467 | and after the instruction, without ensuring their completion. |
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| 468 | */ |
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| 469 | #define __DMB() do {\ |
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| 470 | __schedule_barrier();\ |
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| 471 | __dmb(0xF);\ |
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| 472 | __schedule_barrier();\ |
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| 473 | } while (0U) |
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| 474 | |
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| 475 | |
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| 476 | /** |
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| 477 | \brief Reverse byte order (32 bit) |
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| 478 | \details Reverses the byte order in unsigned integer value. For example, 0x12345678 becomes 0x78563412. |
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| 479 | \param [in] value Value to reverse |
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| 480 | \return Reversed value |
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| 481 | */ |
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| 482 | #define __REV __rev |
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| 483 | |
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| 484 | |
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| 485 | /** |
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| 486 | \brief Reverse byte order (16 bit) |
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| 487 | \details Reverses the byte order within each halfword of a word. For example, 0x12345678 becomes 0x34127856. |
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| 488 | \param [in] value Value to reverse |
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| 489 | \return Reversed value |
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| 490 | */ |
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| 491 | #ifndef __NO_EMBEDDED_ASM |
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| 492 | __attribute__((section(".rev16_text"))) __STATIC_INLINE __ASM uint32_t __REV16(uint32_t value) |
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| 493 | { |
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| 494 | rev16 r0, r0 |
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| 495 | bx lr |
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| 496 | } |
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| 497 | #endif |
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| 498 | |
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| 499 | |
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| 500 | /** |
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| 501 | \brief Reverse byte order (16 bit) |
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| 502 | \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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| 503 | \param [in] value Value to reverse |
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| 504 | \return Reversed value |
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| 505 | */ |
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| 506 | #ifndef __NO_EMBEDDED_ASM |
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| 507 | __attribute__((section(".revsh_text"))) __STATIC_INLINE __ASM int16_t __REVSH(int16_t value) |
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| 508 | { |
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| 509 | revsh r0, r0 |
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| 510 | bx lr |
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| 511 | } |
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| 512 | #endif |
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| 513 | |
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| 514 | |
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| 515 | /** |
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| 516 | \brief Rotate Right in unsigned value (32 bit) |
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| 517 | \details Rotate Right (immediate) provides the value of the contents of a register rotated by a variable number of bits. |
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| 518 | \param [in] op1 Value to rotate |
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| 519 | \param [in] op2 Number of Bits to rotate |
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| 520 | \return Rotated value |
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| 521 | */ |
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| 522 | #define __ROR __ror |
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| 523 | |
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| 524 | |
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| 525 | /** |
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| 526 | \brief Breakpoint |
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| 527 | \details Causes the processor to enter Debug state. |
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| 528 | Debug tools can use this to investigate system state when the instruction at a particular address is reached. |
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| 529 | \param [in] value is ignored by the processor. |
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| 530 | If required, a debugger can use it to store additional information about the breakpoint. |
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| 531 | */ |
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| 532 | #define __BKPT(value) __breakpoint(value) |
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| 533 | |
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| 534 | |
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| 535 | /** |
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| 536 | \brief Reverse bit order of value |
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| 537 | \details Reverses the bit order of the given value. |
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| 538 | \param [in] value Value to reverse |
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| 539 | \return Reversed value |
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| 540 | */ |
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| 541 | #if ((defined (__ARM_ARCH_7M__ ) && (__ARM_ARCH_7M__ == 1)) || \ |
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| 542 | (defined (__ARM_ARCH_7EM__) && (__ARM_ARCH_7EM__ == 1)) ) |
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| 543 | #define __RBIT __rbit |
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| 544 | #else |
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| 545 | __attribute__((always_inline)) __STATIC_INLINE uint32_t __RBIT(uint32_t value) |
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| 546 | { |
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| 547 | uint32_t result; |
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| 548 | uint32_t s = (4U /*sizeof(v)*/ * 8U) - 1U; /* extra shift needed at end */ |
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| 549 | |
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| 550 | result = value; /* r will be reversed bits of v; first get LSB of v */ |
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| 551 | for (value >>= 1U; value != 0U; value >>= 1U) |
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| 552 | { |
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| 553 | result <<= 1U; |
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| 554 | result |= value & 1U; |
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| 555 | s--; |
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| 556 | } |
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| 557 | result <<= s; /* shift when v's highest bits are zero */ |
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| 558 | return result; |
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| 559 | } |
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| 560 | #endif |
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| 561 | |
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| 562 | |
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| 563 | /** |
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| 564 | \brief Count leading zeros |
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| 565 | \details Counts the number of leading zeros of a data value. |
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| 566 | \param [in] value Value to count the leading zeros |
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| 567 | \return number of leading zeros in value |
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| 568 | */ |
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| 569 | #define __CLZ __clz |
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| 570 | |
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| 571 | |
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| 572 | #if ((defined (__ARM_ARCH_7M__ ) && (__ARM_ARCH_7M__ == 1)) || \ |
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| 573 | (defined (__ARM_ARCH_7EM__) && (__ARM_ARCH_7EM__ == 1)) ) |
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| 574 | |
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| 575 | /** |
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| 576 | \brief LDR Exclusive (8 bit) |
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| 577 | \details Executes a exclusive LDR instruction for 8 bit value. |
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| 578 | \param [in] ptr Pointer to data |
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| 579 | \return value of type uint8_t at (*ptr) |
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| 580 | */ |
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| 581 | #if defined(__ARMCC_VERSION) && (__ARMCC_VERSION < 5060020) |
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| 582 | #define __LDREXB(ptr) ((uint8_t ) __ldrex(ptr)) |
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| 583 | #else |
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| 584 | #define __LDREXB(ptr) _Pragma("push") _Pragma("diag_suppress 3731") ((uint8_t ) __ldrex(ptr)) _Pragma("pop") |
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| 585 | #endif |
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| 586 | |
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| 587 | |
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| 588 | /** |
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| 589 | \brief LDR Exclusive (16 bit) |
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| 590 | \details Executes a exclusive LDR instruction for 16 bit values. |
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| 591 | \param [in] ptr Pointer to data |
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| 592 | \return value of type uint16_t at (*ptr) |
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| 593 | */ |
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| 594 | #if defined(__ARMCC_VERSION) && (__ARMCC_VERSION < 5060020) |
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| 595 | #define __LDREXH(ptr) ((uint16_t) __ldrex(ptr)) |
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| 596 | #else |
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| 597 | #define __LDREXH(ptr) _Pragma("push") _Pragma("diag_suppress 3731") ((uint16_t) __ldrex(ptr)) _Pragma("pop") |
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| 598 | #endif |
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| 599 | |
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| 600 | |
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| 601 | /** |
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| 602 | \brief LDR Exclusive (32 bit) |
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| 603 | \details Executes a exclusive LDR instruction for 32 bit values. |
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| 604 | \param [in] ptr Pointer to data |
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| 605 | \return value of type uint32_t at (*ptr) |
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| 606 | */ |
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| 607 | #if defined(__ARMCC_VERSION) && (__ARMCC_VERSION < 5060020) |
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| 608 | #define __LDREXW(ptr) ((uint32_t ) __ldrex(ptr)) |
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| 609 | #else |
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| 610 | #define __LDREXW(ptr) _Pragma("push") _Pragma("diag_suppress 3731") ((uint32_t ) __ldrex(ptr)) _Pragma("pop") |
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| 611 | #endif |
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| 612 | |
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| 613 | |
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| 614 | /** |
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| 615 | \brief STR Exclusive (8 bit) |
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| 616 | \details Executes a exclusive STR instruction for 8 bit values. |
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| 617 | \param [in] value Value to store |
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| 618 | \param [in] ptr Pointer to location |
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| 619 | \return 0 Function succeeded |
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| 620 | \return 1 Function failed |
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| 621 | */ |
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| 622 | #if defined(__ARMCC_VERSION) && (__ARMCC_VERSION < 5060020) |
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| 623 | #define __STREXB(value, ptr) __strex(value, ptr) |
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| 624 | #else |
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| 625 | #define __STREXB(value, ptr) _Pragma("push") _Pragma("diag_suppress 3731") __strex(value, ptr) _Pragma("pop") |
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| 626 | #endif |
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| 627 | |
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| 628 | |
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| 629 | /** |
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| 630 | \brief STR Exclusive (16 bit) |
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| 631 | \details Executes a exclusive STR instruction for 16 bit values. |
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| 632 | \param [in] value Value to store |
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| 633 | \param [in] ptr Pointer to location |
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| 634 | \return 0 Function succeeded |
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| 635 | \return 1 Function failed |
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| 636 | */ |
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| 637 | #if defined(__ARMCC_VERSION) && (__ARMCC_VERSION < 5060020) |
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| 638 | #define __STREXH(value, ptr) __strex(value, ptr) |
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| 639 | #else |
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| 640 | #define __STREXH(value, ptr) _Pragma("push") _Pragma("diag_suppress 3731") __strex(value, ptr) _Pragma("pop") |
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| 641 | #endif |
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| 642 | |
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| 643 | |
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| 644 | /** |
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| 645 | \brief STR Exclusive (32 bit) |
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| 646 | \details Executes a exclusive STR instruction for 32 bit values. |
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| 647 | \param [in] value Value to store |
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| 648 | \param [in] ptr Pointer to location |
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| 649 | \return 0 Function succeeded |
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| 650 | \return 1 Function failed |
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| 651 | */ |
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| 652 | #if defined(__ARMCC_VERSION) && (__ARMCC_VERSION < 5060020) |
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| 653 | #define __STREXW(value, ptr) __strex(value, ptr) |
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| 654 | #else |
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| 655 | #define __STREXW(value, ptr) _Pragma("push") _Pragma("diag_suppress 3731") __strex(value, ptr) _Pragma("pop") |
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| 656 | #endif |
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| 657 | |
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| 658 | |
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| 659 | /** |
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| 660 | \brief Remove the exclusive lock |
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| 661 | \details Removes the exclusive lock which is created by LDREX. |
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| 662 | */ |
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| 663 | #define __CLREX __clrex |
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| 664 | |
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| 665 | |
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| 666 | /** |
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| 667 | \brief Signed Saturate |
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| 668 | \details Saturates a signed value. |
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| 669 | \param [in] value Value to be saturated |
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| 670 | \param [in] sat Bit position to saturate to (1..32) |
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| 671 | \return Saturated value |
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| 672 | */ |
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| 673 | #define __SSAT __ssat |
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| 674 | |
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| 675 | |
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| 676 | /** |
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| 677 | \brief Unsigned Saturate |
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| 678 | \details Saturates an unsigned value. |
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| 679 | \param [in] value Value to be saturated |
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| 680 | \param [in] sat Bit position to saturate to (0..31) |
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| 681 | \return Saturated value |
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| 682 | */ |
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| 683 | #define __USAT __usat |
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| 684 | |
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| 685 | |
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| 686 | /** |
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| 687 | \brief Rotate Right with Extend (32 bit) |
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| 688 | \details Moves each bit of a bitstring right by one bit. |
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| 689 | The carry input is shifted in at the left end of the bitstring. |
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| 690 | \param [in] value Value to rotate |
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| 691 | \return Rotated value |
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| 692 | */ |
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| 693 | #ifndef __NO_EMBEDDED_ASM |
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| 694 | __attribute__((section(".rrx_text"))) __STATIC_INLINE __ASM uint32_t __RRX(uint32_t value) |
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| 695 | { |
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| 696 | rrx r0, r0 |
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| 697 | bx lr |
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| 698 | } |
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| 699 | #endif |
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| 700 | |
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| 701 | |
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| 702 | /** |
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| 703 | \brief LDRT Unprivileged (8 bit) |
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| 704 | \details Executes a Unprivileged LDRT instruction for 8 bit value. |
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| 705 | \param [in] ptr Pointer to data |
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| 706 | \return value of type uint8_t at (*ptr) |
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| 707 | */ |
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| 708 | #define __LDRBT(ptr) ((uint8_t ) __ldrt(ptr)) |
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| 709 | |
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| 710 | |
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| 711 | /** |
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| 712 | \brief LDRT Unprivileged (16 bit) |
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| 713 | \details Executes a Unprivileged LDRT instruction for 16 bit values. |
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| 714 | \param [in] ptr Pointer to data |
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| 715 | \return value of type uint16_t at (*ptr) |
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| 716 | */ |
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| 717 | #define __LDRHT(ptr) ((uint16_t) __ldrt(ptr)) |
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| 718 | |
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| 719 | |
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| 720 | /** |
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| 721 | \brief LDRT Unprivileged (32 bit) |
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| 722 | \details Executes a Unprivileged LDRT instruction for 32 bit values. |
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| 723 | \param [in] ptr Pointer to data |
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| 724 | \return value of type uint32_t at (*ptr) |
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| 725 | */ |
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| 726 | #define __LDRT(ptr) ((uint32_t ) __ldrt(ptr)) |
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| 727 | |
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| 728 | |
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| 729 | /** |
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| 730 | \brief STRT Unprivileged (8 bit) |
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| 731 | \details Executes a Unprivileged STRT instruction for 8 bit values. |
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| 732 | \param [in] value Value to store |
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| 733 | \param [in] ptr Pointer to location |
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| 734 | */ |
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| 735 | #define __STRBT(value, ptr) __strt(value, ptr) |
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| 736 | |
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| 737 | |
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| 738 | /** |
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| 739 | \brief STRT Unprivileged (16 bit) |
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| 740 | \details Executes a Unprivileged STRT instruction for 16 bit values. |
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| 741 | \param [in] value Value to store |
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| 742 | \param [in] ptr Pointer to location |
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| 743 | */ |
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| 744 | #define __STRHT(value, ptr) __strt(value, ptr) |
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| 745 | |
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| 746 | |
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| 747 | /** |
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| 748 | \brief STRT Unprivileged (32 bit) |
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| 749 | \details Executes a Unprivileged STRT instruction for 32 bit values. |
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| 750 | \param [in] value Value to store |
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| 751 | \param [in] ptr Pointer to location |
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| 752 | */ |
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| 753 | #define __STRT(value, ptr) __strt(value, ptr) |
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| 754 | |
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| 755 | #else /* ((defined (__ARM_ARCH_7M__ ) && (__ARM_ARCH_7M__ == 1)) || \ |
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| 756 | (defined (__ARM_ARCH_7EM__) && (__ARM_ARCH_7EM__ == 1)) ) */ |
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| 757 | |
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| 758 | /** |
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| 759 | \brief Signed Saturate |
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| 760 | \details Saturates a signed value. |
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| 761 | \param [in] value Value to be saturated |
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| 762 | \param [in] sat Bit position to saturate to (1..32) |
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| 763 | \return Saturated value |
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| 764 | */ |
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| 765 | __attribute__((always_inline)) __STATIC_INLINE int32_t __SSAT(int32_t val, uint32_t sat) |
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| 766 | { |
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| 767 | if ((sat >= 1U) && (sat <= 32U)) |
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| 768 | { |
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| 769 | const int32_t max = (int32_t)((1U << (sat - 1U)) - 1U); |
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| 770 | const int32_t min = -1 - max ; |
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| 771 | if (val > max) |
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| 772 | { |
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| 773 | return max; |
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| 774 | } |
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| 775 | else if (val < min) |
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| 776 | { |
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| 777 | return min; |
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| 778 | } |
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| 779 | } |
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| 780 | return val; |
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| 781 | } |
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| 782 | |
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| 783 | /** |
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| 784 | \brief Unsigned Saturate |
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| 785 | \details Saturates an unsigned value. |
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| 786 | \param [in] value Value to be saturated |
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| 787 | \param [in] sat Bit position to saturate to (0..31) |
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| 788 | \return Saturated value |
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| 789 | */ |
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| 790 | __attribute__((always_inline)) __STATIC_INLINE uint32_t __USAT(int32_t val, uint32_t sat) |
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| 791 | { |
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| 792 | if (sat <= 31U) |
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| 793 | { |
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| 794 | const uint32_t max = ((1U << sat) - 1U); |
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| 795 | if (val > (int32_t)max) |
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| 796 | { |
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| 797 | return max; |
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| 798 | } |
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| 799 | else if (val < 0) |
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| 800 | { |
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| 801 | return 0U; |
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| 802 | } |
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| 803 | } |
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| 804 | return (uint32_t)val; |
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| 805 | } |
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| 806 | |
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| 807 | #endif /* ((defined (__ARM_ARCH_7M__ ) && (__ARM_ARCH_7M__ == 1)) || \ |
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| 808 | (defined (__ARM_ARCH_7EM__) && (__ARM_ARCH_7EM__ == 1)) ) */ |
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| 809 | |
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| 810 | /*@}*/ /* end of group CMSIS_Core_InstructionInterface */ |
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| 811 | |
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| 812 | |
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| 813 | /* ################### Compiler specific Intrinsics ########################### */ |
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| 814 | /** \defgroup CMSIS_SIMD_intrinsics CMSIS SIMD Intrinsics |
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| 815 | Access to dedicated SIMD instructions |
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| 816 | @{ |
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| 817 | */ |
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| 818 | |
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| 819 | #if ((defined (__ARM_ARCH_7EM__) && (__ARM_ARCH_7EM__ == 1)) ) |
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| 820 | |
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| 821 | #define __SADD8 __sadd8 |
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| 822 | #define __QADD8 __qadd8 |
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| 823 | #define __SHADD8 __shadd8 |
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| 824 | #define __UADD8 __uadd8 |
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| 825 | #define __UQADD8 __uqadd8 |
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| 826 | #define __UHADD8 __uhadd8 |
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| 827 | #define __SSUB8 __ssub8 |
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| 828 | #define __QSUB8 __qsub8 |
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| 829 | #define __SHSUB8 __shsub8 |
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| 830 | #define __USUB8 __usub8 |
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| 831 | #define __UQSUB8 __uqsub8 |
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| 832 | #define __UHSUB8 __uhsub8 |
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| 833 | #define __SADD16 __sadd16 |
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| 834 | #define __QADD16 __qadd16 |
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| 835 | #define __SHADD16 __shadd16 |
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| 836 | #define __UADD16 __uadd16 |
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| 837 | #define __UQADD16 __uqadd16 |
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| 838 | #define __UHADD16 __uhadd16 |
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| 839 | #define __SSUB16 __ssub16 |
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| 840 | #define __QSUB16 __qsub16 |
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| 841 | #define __SHSUB16 __shsub16 |
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| 842 | #define __USUB16 __usub16 |
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| 843 | #define __UQSUB16 __uqsub16 |
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| 844 | #define __UHSUB16 __uhsub16 |
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| 845 | #define __SASX __sasx |
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| 846 | #define __QASX __qasx |
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| 847 | #define __SHASX __shasx |
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| 848 | #define __UASX __uasx |
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| 849 | #define __UQASX __uqasx |
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| 850 | #define __UHASX __uhasx |
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| 851 | #define __SSAX __ssax |
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| 852 | #define __QSAX __qsax |
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| 853 | #define __SHSAX __shsax |
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| 854 | #define __USAX __usax |
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| 855 | #define __UQSAX __uqsax |
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| 856 | #define __UHSAX __uhsax |
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| 857 | #define __USAD8 __usad8 |
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| 858 | #define __USADA8 __usada8 |
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| 859 | #define __SSAT16 __ssat16 |
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| 860 | #define __USAT16 __usat16 |
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| 861 | #define __UXTB16 __uxtb16 |
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| 862 | #define __UXTAB16 __uxtab16 |
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| 863 | #define __SXTB16 __sxtb16 |
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| 864 | #define __SXTAB16 __sxtab16 |
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| 865 | #define __SMUAD __smuad |
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| 866 | #define __SMUADX __smuadx |
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| 867 | #define __SMLAD __smlad |
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| 868 | #define __SMLADX __smladx |
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| 869 | #define __SMLALD __smlald |
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| 870 | #define __SMLALDX __smlaldx |
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| 871 | #define __SMUSD __smusd |
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| 872 | #define __SMUSDX __smusdx |
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| 873 | #define __SMLSD __smlsd |
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| 874 | #define __SMLSDX __smlsdx |
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| 875 | #define __SMLSLD __smlsld |
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| 876 | #define __SMLSLDX __smlsldx |
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| 877 | #define __SEL __sel |
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| 878 | #define __QADD __qadd |
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| 879 | #define __QSUB __qsub |
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| 880 | |
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| 881 | #define __PKHBT(ARG1,ARG2,ARG3) ( ((((uint32_t)(ARG1)) ) & 0x0000FFFFUL) | \ |
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| 882 | ((((uint32_t)(ARG2)) << (ARG3)) & 0xFFFF0000UL) ) |
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| 883 | |
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| 884 | #define __PKHTB(ARG1,ARG2,ARG3) ( ((((uint32_t)(ARG1)) ) & 0xFFFF0000UL) | \ |
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| 885 | ((((uint32_t)(ARG2)) >> (ARG3)) & 0x0000FFFFUL) ) |
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| 886 | |
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| 887 | #define __SMMLA(ARG1,ARG2,ARG3) ( (int32_t)((((int64_t)(ARG1) * (ARG2)) + \ |
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| 888 | ((int64_t)(ARG3) << 32U) ) >> 32U)) |
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| 889 | |
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| 890 | #endif /* ((defined (__ARM_ARCH_7EM__) && (__ARM_ARCH_7EM__ == 1)) ) */ |
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| 891 | /*@} end of group CMSIS_SIMD_intrinsics */ |
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| 892 | |
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| 893 | |
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| 894 | #endif /* __CMSIS_ARMCC_H */ |
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