[17] | 1 | /**************************************************************************//** |
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| 2 | * @file cmsis_armclang.h |
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| 3 | * @brief CMSIS compiler armclang (Arm Compiler 6) header file |
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| 4 | * @version V5.4.3 |
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| 5 | * @date 27. May 2021 |
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| 6 | ******************************************************************************/ |
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| 7 | /* |
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| 8 | * Copyright (c) 2009-2021 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 | /*lint -esym(9058, IRQn)*/ /* disable MISRA 2012 Rule 2.4 for IRQn */ |
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| 26 | |
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| 27 | #ifndef __CMSIS_ARMCLANG_H |
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| 28 | #define __CMSIS_ARMCLANG_H |
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| 29 | |
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| 30 | #pragma clang system_header /* treat file as system include file */ |
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| 31 | |
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| 32 | /* CMSIS compiler specific defines */ |
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| 33 | #ifndef __ASM |
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| 34 | #define __ASM __asm |
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| 35 | #endif |
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| 36 | #ifndef __INLINE |
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| 37 | #define __INLINE __inline |
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| 38 | #endif |
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| 39 | #ifndef __STATIC_INLINE |
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| 40 | #define __STATIC_INLINE static __inline |
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| 41 | #endif |
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| 42 | #ifndef __STATIC_FORCEINLINE |
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| 43 | #define __STATIC_FORCEINLINE __attribute__((always_inline)) static __inline |
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| 44 | #endif |
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| 45 | #ifndef __NO_RETURN |
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| 46 | #define __NO_RETURN __attribute__((__noreturn__)) |
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| 47 | #endif |
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| 48 | #ifndef __USED |
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| 49 | #define __USED __attribute__((used)) |
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| 50 | #endif |
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| 51 | #ifndef __WEAK |
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| 52 | #define __WEAK __attribute__((weak)) |
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| 53 | #endif |
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| 54 | #ifndef __PACKED |
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| 55 | #define __PACKED __attribute__((packed, aligned(1))) |
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| 56 | #endif |
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| 57 | #ifndef __PACKED_STRUCT |
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| 58 | #define __PACKED_STRUCT struct __attribute__((packed, aligned(1))) |
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| 59 | #endif |
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| 60 | #ifndef __PACKED_UNION |
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| 61 | #define __PACKED_UNION union __attribute__((packed, aligned(1))) |
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| 62 | #endif |
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| 63 | #ifndef __UNALIGNED_UINT32 /* deprecated */ |
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| 64 | #pragma clang diagnostic push |
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| 65 | #pragma clang diagnostic ignored "-Wpacked" |
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| 66 | /*lint -esym(9058, T_UINT32)*/ /* disable MISRA 2012 Rule 2.4 for T_UINT32 */ |
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| 67 | struct __attribute__((packed)) T_UINT32 { uint32_t v; }; |
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| 68 | #pragma clang diagnostic pop |
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| 69 | #define __UNALIGNED_UINT32(x) (((struct T_UINT32 *)(x))->v) |
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| 70 | #endif |
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| 71 | #ifndef __UNALIGNED_UINT16_WRITE |
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| 72 | #pragma clang diagnostic push |
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| 73 | #pragma clang diagnostic ignored "-Wpacked" |
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| 74 | /*lint -esym(9058, T_UINT16_WRITE)*/ /* disable MISRA 2012 Rule 2.4 for T_UINT16_WRITE */ |
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| 75 | __PACKED_STRUCT T_UINT16_WRITE { uint16_t v; }; |
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| 76 | #pragma clang diagnostic pop |
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| 77 | #define __UNALIGNED_UINT16_WRITE(addr, val) (void)((((struct T_UINT16_WRITE *)(void *)(addr))->v) = (val)) |
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| 78 | #endif |
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| 79 | #ifndef __UNALIGNED_UINT16_READ |
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| 80 | #pragma clang diagnostic push |
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| 81 | #pragma clang diagnostic ignored "-Wpacked" |
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| 82 | /*lint -esym(9058, T_UINT16_READ)*/ /* disable MISRA 2012 Rule 2.4 for T_UINT16_READ */ |
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| 83 | __PACKED_STRUCT T_UINT16_READ { uint16_t v; }; |
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| 84 | #pragma clang diagnostic pop |
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| 85 | #define __UNALIGNED_UINT16_READ(addr) (((const struct T_UINT16_READ *)(const void *)(addr))->v) |
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| 86 | #endif |
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| 87 | #ifndef __UNALIGNED_UINT32_WRITE |
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| 88 | #pragma clang diagnostic push |
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| 89 | #pragma clang diagnostic ignored "-Wpacked" |
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| 90 | /*lint -esym(9058, T_UINT32_WRITE)*/ /* disable MISRA 2012 Rule 2.4 for T_UINT32_WRITE */ |
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| 91 | __PACKED_STRUCT T_UINT32_WRITE { uint32_t v; }; |
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| 92 | #pragma clang diagnostic pop |
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| 93 | #define __UNALIGNED_UINT32_WRITE(addr, val) (void)((((struct T_UINT32_WRITE *)(void *)(addr))->v) = (val)) |
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| 94 | #endif |
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| 95 | #ifndef __UNALIGNED_UINT32_READ |
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| 96 | #pragma clang diagnostic push |
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| 97 | #pragma clang diagnostic ignored "-Wpacked" |
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| 98 | /*lint -esym(9058, T_UINT32_READ)*/ /* disable MISRA 2012 Rule 2.4 for T_UINT32_READ */ |
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| 99 | __PACKED_STRUCT T_UINT32_READ { uint32_t v; }; |
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| 100 | #pragma clang diagnostic pop |
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| 101 | #define __UNALIGNED_UINT32_READ(addr) (((const struct T_UINT32_READ *)(const void *)(addr))->v) |
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| 102 | #endif |
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| 103 | #ifndef __ALIGNED |
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| 104 | #define __ALIGNED(x) __attribute__((aligned(x))) |
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| 105 | #endif |
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| 106 | #ifndef __RESTRICT |
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| 107 | #define __RESTRICT __restrict |
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| 108 | #endif |
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| 109 | #ifndef __COMPILER_BARRIER |
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| 110 | #define __COMPILER_BARRIER() __ASM volatile("":::"memory") |
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| 111 | #endif |
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| 112 | |
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| 113 | /* ######################### Startup and Lowlevel Init ######################## */ |
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| 114 | |
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| 115 | #ifndef __PROGRAM_START |
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| 116 | #define __PROGRAM_START __main |
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| 117 | #endif |
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| 118 | |
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| 119 | #ifndef __INITIAL_SP |
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| 120 | #define __INITIAL_SP Image$$ARM_LIB_STACK$$ZI$$Limit |
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| 121 | #endif |
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| 122 | |
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| 123 | #ifndef __STACK_LIMIT |
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| 124 | #define __STACK_LIMIT Image$$ARM_LIB_STACK$$ZI$$Base |
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| 125 | #endif |
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| 126 | |
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| 127 | #ifndef __VECTOR_TABLE |
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| 128 | #define __VECTOR_TABLE __Vectors |
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| 129 | #endif |
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| 130 | |
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| 131 | #ifndef __VECTOR_TABLE_ATTRIBUTE |
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| 132 | #define __VECTOR_TABLE_ATTRIBUTE __attribute__((used, section("RESET"))) |
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| 133 | #endif |
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| 134 | |
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| 135 | #if defined (__ARM_FEATURE_CMSE) && (__ARM_FEATURE_CMSE == 3U) |
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| 136 | #ifndef __STACK_SEAL |
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| 137 | #define __STACK_SEAL Image$$STACKSEAL$$ZI$$Base |
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| 138 | #endif |
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| 139 | |
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| 140 | #ifndef __TZ_STACK_SEAL_SIZE |
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| 141 | #define __TZ_STACK_SEAL_SIZE 8U |
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| 142 | #endif |
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| 143 | |
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| 144 | #ifndef __TZ_STACK_SEAL_VALUE |
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| 145 | #define __TZ_STACK_SEAL_VALUE 0xFEF5EDA5FEF5EDA5ULL |
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| 146 | #endif |
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| 147 | |
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| 148 | |
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| 149 | __STATIC_FORCEINLINE void __TZ_set_STACKSEAL_S (uint32_t* stackTop) { |
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| 150 | *((uint64_t *)stackTop) = __TZ_STACK_SEAL_VALUE; |
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| 151 | } |
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| 152 | #endif |
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| 153 | |
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| 154 | |
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| 155 | /* ########################## Core Instruction Access ######################### */ |
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| 156 | /** \defgroup CMSIS_Core_InstructionInterface CMSIS Core Instruction Interface |
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| 157 | Access to dedicated instructions |
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| 158 | @{ |
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| 159 | */ |
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| 160 | |
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| 161 | /* Define macros for porting to both thumb1 and thumb2. |
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| 162 | * For thumb1, use low register (r0-r7), specified by constraint "l" |
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| 163 | * Otherwise, use general registers, specified by constraint "r" */ |
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| 164 | #if defined (__thumb__) && !defined (__thumb2__) |
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| 165 | #define __CMSIS_GCC_OUT_REG(r) "=l" (r) |
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| 166 | #define __CMSIS_GCC_RW_REG(r) "+l" (r) |
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| 167 | #define __CMSIS_GCC_USE_REG(r) "l" (r) |
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| 168 | #else |
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| 169 | #define __CMSIS_GCC_OUT_REG(r) "=r" (r) |
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| 170 | #define __CMSIS_GCC_RW_REG(r) "+r" (r) |
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| 171 | #define __CMSIS_GCC_USE_REG(r) "r" (r) |
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| 172 | #endif |
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| 173 | |
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| 174 | /** |
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| 175 | \brief No Operation |
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| 176 | \details No Operation does nothing. This instruction can be used for code alignment purposes. |
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| 177 | */ |
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| 178 | #define __NOP __builtin_arm_nop |
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| 179 | |
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| 180 | /** |
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| 181 | \brief Wait For Interrupt |
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| 182 | \details Wait For Interrupt is a hint instruction that suspends execution until one of a number of events occurs. |
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| 183 | */ |
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| 184 | #define __WFI __builtin_arm_wfi |
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| 185 | |
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| 186 | |
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| 187 | /** |
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| 188 | \brief Wait For Event |
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| 189 | \details Wait For Event is a hint instruction that permits the processor to enter |
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| 190 | a low-power state until one of a number of events occurs. |
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| 191 | */ |
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| 192 | #define __WFE __builtin_arm_wfe |
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| 193 | |
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| 194 | |
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| 195 | /** |
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| 196 | \brief Send Event |
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| 197 | \details Send Event is a hint instruction. It causes an event to be signaled to the CPU. |
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| 198 | */ |
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| 199 | #define __SEV __builtin_arm_sev |
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| 200 | |
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| 201 | |
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| 202 | /** |
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| 203 | \brief Instruction Synchronization Barrier |
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| 204 | \details Instruction Synchronization Barrier flushes the pipeline in the processor, |
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| 205 | so that all instructions following the ISB are fetched from cache or memory, |
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| 206 | after the instruction has been completed. |
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| 207 | */ |
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| 208 | #define __ISB() __builtin_arm_isb(0xF) |
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| 209 | |
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| 210 | /** |
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| 211 | \brief Data Synchronization Barrier |
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| 212 | \details Acts as a special kind of Data Memory Barrier. |
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| 213 | It completes when all explicit memory accesses before this instruction complete. |
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| 214 | */ |
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| 215 | #define __DSB() __builtin_arm_dsb(0xF) |
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| 216 | |
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| 217 | |
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| 218 | /** |
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| 219 | \brief Data Memory Barrier |
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| 220 | \details Ensures the apparent order of the explicit memory operations before |
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| 221 | and after the instruction, without ensuring their completion. |
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| 222 | */ |
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| 223 | #define __DMB() __builtin_arm_dmb(0xF) |
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| 224 | |
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| 225 | |
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| 226 | /** |
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| 227 | \brief Reverse byte order (32 bit) |
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| 228 | \details Reverses the byte order in unsigned integer value. For example, 0x12345678 becomes 0x78563412. |
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| 229 | \param [in] value Value to reverse |
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| 230 | \return Reversed value |
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| 231 | */ |
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| 232 | #define __REV(value) __builtin_bswap32(value) |
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| 233 | |
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| 234 | |
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| 235 | /** |
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| 236 | \brief Reverse byte order (16 bit) |
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| 237 | \details Reverses the byte order within each halfword of a word. For example, 0x12345678 becomes 0x34127856. |
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| 238 | \param [in] value Value to reverse |
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| 239 | \return Reversed value |
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| 240 | */ |
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| 241 | #define __REV16(value) __ROR(__REV(value), 16) |
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| 242 | |
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| 243 | |
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| 244 | /** |
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| 245 | \brief Reverse byte order (16 bit) |
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| 246 | \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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| 247 | \param [in] value Value to reverse |
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| 248 | \return Reversed value |
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| 249 | */ |
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| 250 | #define __REVSH(value) (int16_t)__builtin_bswap16(value) |
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| 251 | |
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| 252 | |
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| 253 | /** |
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| 254 | \brief Rotate Right in unsigned value (32 bit) |
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| 255 | \details Rotate Right (immediate) provides the value of the contents of a register rotated by a variable number of bits. |
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| 256 | \param [in] op1 Value to rotate |
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| 257 | \param [in] op2 Number of Bits to rotate |
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| 258 | \return Rotated value |
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| 259 | */ |
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| 260 | __STATIC_FORCEINLINE uint32_t __ROR(uint32_t op1, uint32_t op2) |
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| 261 | { |
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| 262 | op2 %= 32U; |
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| 263 | if (op2 == 0U) |
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| 264 | { |
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| 265 | return op1; |
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| 266 | } |
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| 267 | return (op1 >> op2) | (op1 << (32U - op2)); |
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| 268 | } |
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| 269 | |
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| 270 | |
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| 271 | /** |
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| 272 | \brief Breakpoint |
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| 273 | \details Causes the processor to enter Debug state. |
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| 274 | Debug tools can use this to investigate system state when the instruction at a particular address is reached. |
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| 275 | \param [in] value is ignored by the processor. |
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| 276 | If required, a debugger can use it to store additional information about the breakpoint. |
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| 277 | */ |
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| 278 | #define __BKPT(value) __ASM volatile ("bkpt "#value) |
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| 279 | |
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| 280 | |
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| 281 | /** |
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| 282 | \brief Reverse bit order of value |
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| 283 | \details Reverses the bit order of the given value. |
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| 284 | \param [in] value Value to reverse |
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| 285 | \return Reversed value |
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| 286 | */ |
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| 287 | #define __RBIT __builtin_arm_rbit |
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| 288 | |
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| 289 | /** |
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| 290 | \brief Count leading zeros |
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| 291 | \details Counts the number of leading zeros of a data value. |
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| 292 | \param [in] value Value to count the leading zeros |
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| 293 | \return number of leading zeros in value |
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| 294 | */ |
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| 295 | __STATIC_FORCEINLINE uint8_t __CLZ(uint32_t value) |
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| 296 | { |
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| 297 | /* Even though __builtin_clz produces a CLZ instruction on ARM, formally |
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| 298 | __builtin_clz(0) is undefined behaviour, so handle this case specially. |
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| 299 | This guarantees ARM-compatible results if happening to compile on a non-ARM |
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| 300 | target, and ensures the compiler doesn't decide to activate any |
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| 301 | optimisations using the logic "value was passed to __builtin_clz, so it |
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| 302 | is non-zero". |
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| 303 | ARM Compiler 6.10 and possibly earlier will optimise this test away, leaving a |
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| 304 | single CLZ instruction. |
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| 305 | */ |
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| 306 | if (value == 0U) |
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| 307 | { |
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| 308 | return 32U; |
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| 309 | } |
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| 310 | return __builtin_clz(value); |
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| 311 | } |
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| 312 | |
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| 313 | |
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| 314 | #if ((defined (__ARM_ARCH_7M__ ) && (__ARM_ARCH_7M__ == 1)) || \ |
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| 315 | (defined (__ARM_ARCH_7EM__ ) && (__ARM_ARCH_7EM__ == 1)) || \ |
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| 316 | (defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)) || \ |
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| 317 | (defined (__ARM_ARCH_8M_BASE__ ) && (__ARM_ARCH_8M_BASE__ == 1)) || \ |
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| 318 | (defined (__ARM_ARCH_8_1M_MAIN__) && (__ARM_ARCH_8_1M_MAIN__ == 1)) ) |
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| 319 | |
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| 320 | /** |
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| 321 | \brief LDR Exclusive (8 bit) |
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| 322 | \details Executes a exclusive LDR instruction for 8 bit value. |
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| 323 | \param [in] ptr Pointer to data |
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| 324 | \return value of type uint8_t at (*ptr) |
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| 325 | */ |
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| 326 | #define __LDREXB (uint8_t)__builtin_arm_ldrex |
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| 327 | |
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| 328 | |
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| 329 | /** |
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| 330 | \brief LDR Exclusive (16 bit) |
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| 331 | \details Executes a exclusive LDR instruction for 16 bit values. |
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| 332 | \param [in] ptr Pointer to data |
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| 333 | \return value of type uint16_t at (*ptr) |
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| 334 | */ |
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| 335 | #define __LDREXH (uint16_t)__builtin_arm_ldrex |
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| 336 | |
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| 337 | |
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| 338 | /** |
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| 339 | \brief LDR Exclusive (32 bit) |
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| 340 | \details Executes a exclusive LDR instruction for 32 bit values. |
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| 341 | \param [in] ptr Pointer to data |
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| 342 | \return value of type uint32_t at (*ptr) |
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| 343 | */ |
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| 344 | #define __LDREXW (uint32_t)__builtin_arm_ldrex |
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| 345 | |
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| 346 | |
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| 347 | /** |
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| 348 | \brief STR Exclusive (8 bit) |
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| 349 | \details Executes a exclusive STR instruction for 8 bit values. |
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| 350 | \param [in] value Value to store |
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| 351 | \param [in] ptr Pointer to location |
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| 352 | \return 0 Function succeeded |
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| 353 | \return 1 Function failed |
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| 354 | */ |
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| 355 | #define __STREXB (uint32_t)__builtin_arm_strex |
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| 356 | |
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| 357 | |
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| 358 | /** |
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| 359 | \brief STR Exclusive (16 bit) |
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| 360 | \details Executes a exclusive STR instruction for 16 bit values. |
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| 361 | \param [in] value Value to store |
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| 362 | \param [in] ptr Pointer to location |
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| 363 | \return 0 Function succeeded |
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| 364 | \return 1 Function failed |
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| 365 | */ |
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| 366 | #define __STREXH (uint32_t)__builtin_arm_strex |
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| 367 | |
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| 368 | |
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| 369 | /** |
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| 370 | \brief STR Exclusive (32 bit) |
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| 371 | \details Executes a exclusive STR instruction for 32 bit values. |
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| 372 | \param [in] value Value to store |
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| 373 | \param [in] ptr Pointer to location |
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| 374 | \return 0 Function succeeded |
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| 375 | \return 1 Function failed |
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| 376 | */ |
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| 377 | #define __STREXW (uint32_t)__builtin_arm_strex |
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| 378 | |
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| 379 | |
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| 380 | /** |
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| 381 | \brief Remove the exclusive lock |
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| 382 | \details Removes the exclusive lock which is created by LDREX. |
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| 383 | */ |
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| 384 | #define __CLREX __builtin_arm_clrex |
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| 385 | |
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| 386 | #endif /* ((defined (__ARM_ARCH_7M__ ) && (__ARM_ARCH_7M__ == 1)) || \ |
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| 387 | (defined (__ARM_ARCH_7EM__ ) && (__ARM_ARCH_7EM__ == 1)) || \ |
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| 388 | (defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)) || \ |
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| 389 | (defined (__ARM_ARCH_8M_BASE__ ) && (__ARM_ARCH_8M_BASE__ == 1)) || \ |
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| 390 | (defined (__ARM_ARCH_8_1M_MAIN__) && (__ARM_ARCH_8_1M_MAIN__ == 1)) ) */ |
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| 391 | |
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| 392 | |
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| 393 | #if ((defined (__ARM_ARCH_7M__ ) && (__ARM_ARCH_7M__ == 1)) || \ |
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| 394 | (defined (__ARM_ARCH_7EM__ ) && (__ARM_ARCH_7EM__ == 1)) || \ |
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| 395 | (defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)) || \ |
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| 396 | (defined (__ARM_ARCH_8_1M_MAIN__) && (__ARM_ARCH_8_1M_MAIN__ == 1)) ) |
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| 397 | |
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| 398 | /** |
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| 399 | \brief Signed Saturate |
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| 400 | \details Saturates a signed value. |
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| 401 | \param [in] value Value to be saturated |
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| 402 | \param [in] sat Bit position to saturate to (1..32) |
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| 403 | \return Saturated value |
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| 404 | */ |
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| 405 | #define __SSAT __builtin_arm_ssat |
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| 406 | |
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| 407 | |
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| 408 | /** |
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| 409 | \brief Unsigned Saturate |
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| 410 | \details Saturates an unsigned value. |
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| 411 | \param [in] value Value to be saturated |
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| 412 | \param [in] sat Bit position to saturate to (0..31) |
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| 413 | \return Saturated value |
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| 414 | */ |
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| 415 | #define __USAT __builtin_arm_usat |
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| 416 | |
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| 417 | |
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| 418 | /** |
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| 419 | \brief Rotate Right with Extend (32 bit) |
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| 420 | \details Moves each bit of a bitstring right by one bit. |
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| 421 | The carry input is shifted in at the left end of the bitstring. |
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| 422 | \param [in] value Value to rotate |
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| 423 | \return Rotated value |
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| 424 | */ |
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| 425 | __STATIC_FORCEINLINE uint32_t __RRX(uint32_t value) |
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| 426 | { |
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| 427 | uint32_t result; |
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| 428 | |
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| 429 | __ASM volatile ("rrx %0, %1" : __CMSIS_GCC_OUT_REG (result) : __CMSIS_GCC_USE_REG (value) ); |
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| 430 | return(result); |
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| 431 | } |
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| 432 | |
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| 433 | |
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| 434 | /** |
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| 435 | \brief LDRT Unprivileged (8 bit) |
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| 436 | \details Executes a Unprivileged LDRT instruction for 8 bit value. |
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| 437 | \param [in] ptr Pointer to data |
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| 438 | \return value of type uint8_t at (*ptr) |
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| 439 | */ |
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| 440 | __STATIC_FORCEINLINE uint8_t __LDRBT(volatile uint8_t *ptr) |
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| 441 | { |
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| 442 | uint32_t result; |
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| 443 | |
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| 444 | __ASM volatile ("ldrbt %0, %1" : "=r" (result) : "Q" (*ptr) ); |
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| 445 | return ((uint8_t) result); /* Add explicit type cast here */ |
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| 446 | } |
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| 447 | |
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| 448 | |
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| 449 | /** |
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| 450 | \brief LDRT Unprivileged (16 bit) |
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| 451 | \details Executes a Unprivileged LDRT instruction for 16 bit values. |
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| 452 | \param [in] ptr Pointer to data |
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| 453 | \return value of type uint16_t at (*ptr) |
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| 454 | */ |
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| 455 | __STATIC_FORCEINLINE uint16_t __LDRHT(volatile uint16_t *ptr) |
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| 456 | { |
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| 457 | uint32_t result; |
---|
| 458 | |
---|
| 459 | __ASM volatile ("ldrht %0, %1" : "=r" (result) : "Q" (*ptr) ); |
---|
| 460 | return ((uint16_t) result); /* Add explicit type cast here */ |
---|
| 461 | } |
---|
| 462 | |
---|
| 463 | |
---|
| 464 | /** |
---|
| 465 | \brief LDRT Unprivileged (32 bit) |
---|
| 466 | \details Executes a Unprivileged LDRT instruction for 32 bit values. |
---|
| 467 | \param [in] ptr Pointer to data |
---|
| 468 | \return value of type uint32_t at (*ptr) |
---|
| 469 | */ |
---|
| 470 | __STATIC_FORCEINLINE uint32_t __LDRT(volatile uint32_t *ptr) |
---|
| 471 | { |
---|
| 472 | uint32_t result; |
---|
| 473 | |
---|
| 474 | __ASM volatile ("ldrt %0, %1" : "=r" (result) : "Q" (*ptr) ); |
---|
| 475 | return(result); |
---|
| 476 | } |
---|
| 477 | |
---|
| 478 | |
---|
| 479 | /** |
---|
| 480 | \brief STRT Unprivileged (8 bit) |
---|
| 481 | \details Executes a Unprivileged STRT instruction for 8 bit values. |
---|
| 482 | \param [in] value Value to store |
---|
| 483 | \param [in] ptr Pointer to location |
---|
| 484 | */ |
---|
| 485 | __STATIC_FORCEINLINE void __STRBT(uint8_t value, volatile uint8_t *ptr) |
---|
| 486 | { |
---|
| 487 | __ASM volatile ("strbt %1, %0" : "=Q" (*ptr) : "r" ((uint32_t)value) ); |
---|
| 488 | } |
---|
| 489 | |
---|
| 490 | |
---|
| 491 | /** |
---|
| 492 | \brief STRT Unprivileged (16 bit) |
---|
| 493 | \details Executes a Unprivileged STRT instruction for 16 bit values. |
---|
| 494 | \param [in] value Value to store |
---|
| 495 | \param [in] ptr Pointer to location |
---|
| 496 | */ |
---|
| 497 | __STATIC_FORCEINLINE void __STRHT(uint16_t value, volatile uint16_t *ptr) |
---|
| 498 | { |
---|
| 499 | __ASM volatile ("strht %1, %0" : "=Q" (*ptr) : "r" ((uint32_t)value) ); |
---|
| 500 | } |
---|
| 501 | |
---|
| 502 | |
---|
| 503 | /** |
---|
| 504 | \brief STRT Unprivileged (32 bit) |
---|
| 505 | \details Executes a Unprivileged STRT instruction for 32 bit values. |
---|
| 506 | \param [in] value Value to store |
---|
| 507 | \param [in] ptr Pointer to location |
---|
| 508 | */ |
---|
| 509 | __STATIC_FORCEINLINE void __STRT(uint32_t value, volatile uint32_t *ptr) |
---|
| 510 | { |
---|
| 511 | __ASM volatile ("strt %1, %0" : "=Q" (*ptr) : "r" (value) ); |
---|
| 512 | } |
---|
| 513 | |
---|
| 514 | #else /* ((defined (__ARM_ARCH_7M__ ) && (__ARM_ARCH_7M__ == 1)) || \ |
---|
| 515 | (defined (__ARM_ARCH_7EM__ ) && (__ARM_ARCH_7EM__ == 1)) || \ |
---|
| 516 | (defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)) || \ |
---|
| 517 | (defined (__ARM_ARCH_8_1M_MAIN__) && (__ARM_ARCH_8_1M_MAIN__ == 1)) ) */ |
---|
| 518 | |
---|
| 519 | /** |
---|
| 520 | \brief Signed Saturate |
---|
| 521 | \details Saturates a signed value. |
---|
| 522 | \param [in] value Value to be saturated |
---|
| 523 | \param [in] sat Bit position to saturate to (1..32) |
---|
| 524 | \return Saturated value |
---|
| 525 | */ |
---|
| 526 | __STATIC_FORCEINLINE int32_t __SSAT(int32_t val, uint32_t sat) |
---|
| 527 | { |
---|
| 528 | if ((sat >= 1U) && (sat <= 32U)) |
---|
| 529 | { |
---|
| 530 | const int32_t max = (int32_t)((1U << (sat - 1U)) - 1U); |
---|
| 531 | const int32_t min = -1 - max ; |
---|
| 532 | if (val > max) |
---|
| 533 | { |
---|
| 534 | return max; |
---|
| 535 | } |
---|
| 536 | else if (val < min) |
---|
| 537 | { |
---|
| 538 | return min; |
---|
| 539 | } |
---|
| 540 | } |
---|
| 541 | return val; |
---|
| 542 | } |
---|
| 543 | |
---|
| 544 | /** |
---|
| 545 | \brief Unsigned Saturate |
---|
| 546 | \details Saturates an unsigned value. |
---|
| 547 | \param [in] value Value to be saturated |
---|
| 548 | \param [in] sat Bit position to saturate to (0..31) |
---|
| 549 | \return Saturated value |
---|
| 550 | */ |
---|
| 551 | __STATIC_FORCEINLINE uint32_t __USAT(int32_t val, uint32_t sat) |
---|
| 552 | { |
---|
| 553 | if (sat <= 31U) |
---|
| 554 | { |
---|
| 555 | const uint32_t max = ((1U << sat) - 1U); |
---|
| 556 | if (val > (int32_t)max) |
---|
| 557 | { |
---|
| 558 | return max; |
---|
| 559 | } |
---|
| 560 | else if (val < 0) |
---|
| 561 | { |
---|
| 562 | return 0U; |
---|
| 563 | } |
---|
| 564 | } |
---|
| 565 | return (uint32_t)val; |
---|
| 566 | } |
---|
| 567 | |
---|
| 568 | #endif /* ((defined (__ARM_ARCH_7M__ ) && (__ARM_ARCH_7M__ == 1)) || \ |
---|
| 569 | (defined (__ARM_ARCH_7EM__ ) && (__ARM_ARCH_7EM__ == 1)) || \ |
---|
| 570 | (defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)) || \ |
---|
| 571 | (defined (__ARM_ARCH_8_1M_MAIN__) && (__ARM_ARCH_8_1M_MAIN__ == 1)) ) */ |
---|
| 572 | |
---|
| 573 | |
---|
| 574 | #if ((defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)) || \ |
---|
| 575 | (defined (__ARM_ARCH_8M_BASE__ ) && (__ARM_ARCH_8M_BASE__ == 1)) || \ |
---|
| 576 | (defined (__ARM_ARCH_8_1M_MAIN__) && (__ARM_ARCH_8_1M_MAIN__ == 1)) ) |
---|
| 577 | |
---|
| 578 | /** |
---|
| 579 | \brief Load-Acquire (8 bit) |
---|
| 580 | \details Executes a LDAB instruction for 8 bit value. |
---|
| 581 | \param [in] ptr Pointer to data |
---|
| 582 | \return value of type uint8_t at (*ptr) |
---|
| 583 | */ |
---|
| 584 | __STATIC_FORCEINLINE uint8_t __LDAB(volatile uint8_t *ptr) |
---|
| 585 | { |
---|
| 586 | uint32_t result; |
---|
| 587 | |
---|
| 588 | __ASM volatile ("ldab %0, %1" : "=r" (result) : "Q" (*ptr) : "memory" ); |
---|
| 589 | return ((uint8_t) result); |
---|
| 590 | } |
---|
| 591 | |
---|
| 592 | |
---|
| 593 | /** |
---|
| 594 | \brief Load-Acquire (16 bit) |
---|
| 595 | \details Executes a LDAH instruction for 16 bit values. |
---|
| 596 | \param [in] ptr Pointer to data |
---|
| 597 | \return value of type uint16_t at (*ptr) |
---|
| 598 | */ |
---|
| 599 | __STATIC_FORCEINLINE uint16_t __LDAH(volatile uint16_t *ptr) |
---|
| 600 | { |
---|
| 601 | uint32_t result; |
---|
| 602 | |
---|
| 603 | __ASM volatile ("ldah %0, %1" : "=r" (result) : "Q" (*ptr) : "memory" ); |
---|
| 604 | return ((uint16_t) result); |
---|
| 605 | } |
---|
| 606 | |
---|
| 607 | |
---|
| 608 | /** |
---|
| 609 | \brief Load-Acquire (32 bit) |
---|
| 610 | \details Executes a LDA instruction for 32 bit values. |
---|
| 611 | \param [in] ptr Pointer to data |
---|
| 612 | \return value of type uint32_t at (*ptr) |
---|
| 613 | */ |
---|
| 614 | __STATIC_FORCEINLINE uint32_t __LDA(volatile uint32_t *ptr) |
---|
| 615 | { |
---|
| 616 | uint32_t result; |
---|
| 617 | |
---|
| 618 | __ASM volatile ("lda %0, %1" : "=r" (result) : "Q" (*ptr) : "memory" ); |
---|
| 619 | return(result); |
---|
| 620 | } |
---|
| 621 | |
---|
| 622 | |
---|
| 623 | /** |
---|
| 624 | \brief Store-Release (8 bit) |
---|
| 625 | \details Executes a STLB instruction for 8 bit values. |
---|
| 626 | \param [in] value Value to store |
---|
| 627 | \param [in] ptr Pointer to location |
---|
| 628 | */ |
---|
| 629 | __STATIC_FORCEINLINE void __STLB(uint8_t value, volatile uint8_t *ptr) |
---|
| 630 | { |
---|
| 631 | __ASM volatile ("stlb %1, %0" : "=Q" (*ptr) : "r" ((uint32_t)value) : "memory" ); |
---|
| 632 | } |
---|
| 633 | |
---|
| 634 | |
---|
| 635 | /** |
---|
| 636 | \brief Store-Release (16 bit) |
---|
| 637 | \details Executes a STLH instruction for 16 bit values. |
---|
| 638 | \param [in] value Value to store |
---|
| 639 | \param [in] ptr Pointer to location |
---|
| 640 | */ |
---|
| 641 | __STATIC_FORCEINLINE void __STLH(uint16_t value, volatile uint16_t *ptr) |
---|
| 642 | { |
---|
| 643 | __ASM volatile ("stlh %1, %0" : "=Q" (*ptr) : "r" ((uint32_t)value) : "memory" ); |
---|
| 644 | } |
---|
| 645 | |
---|
| 646 | |
---|
| 647 | /** |
---|
| 648 | \brief Store-Release (32 bit) |
---|
| 649 | \details Executes a STL instruction for 32 bit values. |
---|
| 650 | \param [in] value Value to store |
---|
| 651 | \param [in] ptr Pointer to location |
---|
| 652 | */ |
---|
| 653 | __STATIC_FORCEINLINE void __STL(uint32_t value, volatile uint32_t *ptr) |
---|
| 654 | { |
---|
| 655 | __ASM volatile ("stl %1, %0" : "=Q" (*ptr) : "r" ((uint32_t)value) : "memory" ); |
---|
| 656 | } |
---|
| 657 | |
---|
| 658 | |
---|
| 659 | /** |
---|
| 660 | \brief Load-Acquire Exclusive (8 bit) |
---|
| 661 | \details Executes a LDAB exclusive instruction for 8 bit value. |
---|
| 662 | \param [in] ptr Pointer to data |
---|
| 663 | \return value of type uint8_t at (*ptr) |
---|
| 664 | */ |
---|
| 665 | #define __LDAEXB (uint8_t)__builtin_arm_ldaex |
---|
| 666 | |
---|
| 667 | |
---|
| 668 | /** |
---|
| 669 | \brief Load-Acquire Exclusive (16 bit) |
---|
| 670 | \details Executes a LDAH exclusive instruction for 16 bit values. |
---|
| 671 | \param [in] ptr Pointer to data |
---|
| 672 | \return value of type uint16_t at (*ptr) |
---|
| 673 | */ |
---|
| 674 | #define __LDAEXH (uint16_t)__builtin_arm_ldaex |
---|
| 675 | |
---|
| 676 | |
---|
| 677 | /** |
---|
| 678 | \brief Load-Acquire Exclusive (32 bit) |
---|
| 679 | \details Executes a LDA exclusive instruction for 32 bit values. |
---|
| 680 | \param [in] ptr Pointer to data |
---|
| 681 | \return value of type uint32_t at (*ptr) |
---|
| 682 | */ |
---|
| 683 | #define __LDAEX (uint32_t)__builtin_arm_ldaex |
---|
| 684 | |
---|
| 685 | |
---|
| 686 | /** |
---|
| 687 | \brief Store-Release Exclusive (8 bit) |
---|
| 688 | \details Executes a STLB exclusive instruction for 8 bit values. |
---|
| 689 | \param [in] value Value to store |
---|
| 690 | \param [in] ptr Pointer to location |
---|
| 691 | \return 0 Function succeeded |
---|
| 692 | \return 1 Function failed |
---|
| 693 | */ |
---|
| 694 | #define __STLEXB (uint32_t)__builtin_arm_stlex |
---|
| 695 | |
---|
| 696 | |
---|
| 697 | /** |
---|
| 698 | \brief Store-Release Exclusive (16 bit) |
---|
| 699 | \details Executes a STLH exclusive instruction for 16 bit values. |
---|
| 700 | \param [in] value Value to store |
---|
| 701 | \param [in] ptr Pointer to location |
---|
| 702 | \return 0 Function succeeded |
---|
| 703 | \return 1 Function failed |
---|
| 704 | */ |
---|
| 705 | #define __STLEXH (uint32_t)__builtin_arm_stlex |
---|
| 706 | |
---|
| 707 | |
---|
| 708 | /** |
---|
| 709 | \brief Store-Release Exclusive (32 bit) |
---|
| 710 | \details Executes a STL exclusive instruction for 32 bit values. |
---|
| 711 | \param [in] value Value to store |
---|
| 712 | \param [in] ptr Pointer to location |
---|
| 713 | \return 0 Function succeeded |
---|
| 714 | \return 1 Function failed |
---|
| 715 | */ |
---|
| 716 | #define __STLEX (uint32_t)__builtin_arm_stlex |
---|
| 717 | |
---|
| 718 | #endif /* ((defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)) || \ |
---|
| 719 | (defined (__ARM_ARCH_8M_BASE__ ) && (__ARM_ARCH_8M_BASE__ == 1)) || \ |
---|
| 720 | (defined (__ARM_ARCH_8_1M_MAIN__) && (__ARM_ARCH_8_1M_MAIN__ == 1)) ) */ |
---|
| 721 | |
---|
| 722 | /*@}*/ /* end of group CMSIS_Core_InstructionInterface */ |
---|
| 723 | |
---|
| 724 | |
---|
| 725 | /* ########################### Core Function Access ########################### */ |
---|
| 726 | /** \ingroup CMSIS_Core_FunctionInterface |
---|
| 727 | \defgroup CMSIS_Core_RegAccFunctions CMSIS Core Register Access Functions |
---|
| 728 | @{ |
---|
| 729 | */ |
---|
| 730 | |
---|
| 731 | /** |
---|
| 732 | \brief Enable IRQ Interrupts |
---|
| 733 | \details Enables IRQ interrupts by clearing special-purpose register PRIMASK. |
---|
| 734 | Can only be executed in Privileged modes. |
---|
| 735 | */ |
---|
| 736 | #ifndef __ARM_COMPAT_H |
---|
| 737 | __STATIC_FORCEINLINE void __enable_irq(void) |
---|
| 738 | { |
---|
| 739 | __ASM volatile ("cpsie i" : : : "memory"); |
---|
| 740 | } |
---|
| 741 | #endif |
---|
| 742 | |
---|
| 743 | |
---|
| 744 | /** |
---|
| 745 | \brief Disable IRQ Interrupts |
---|
| 746 | \details Disables IRQ interrupts by setting special-purpose register PRIMASK. |
---|
| 747 | Can only be executed in Privileged modes. |
---|
| 748 | */ |
---|
| 749 | #ifndef __ARM_COMPAT_H |
---|
| 750 | __STATIC_FORCEINLINE void __disable_irq(void) |
---|
| 751 | { |
---|
| 752 | __ASM volatile ("cpsid i" : : : "memory"); |
---|
| 753 | } |
---|
| 754 | #endif |
---|
| 755 | |
---|
| 756 | |
---|
| 757 | /** |
---|
| 758 | \brief Get Control Register |
---|
| 759 | \details Returns the content of the Control Register. |
---|
| 760 | \return Control Register value |
---|
| 761 | */ |
---|
| 762 | __STATIC_FORCEINLINE uint32_t __get_CONTROL(void) |
---|
| 763 | { |
---|
| 764 | uint32_t result; |
---|
| 765 | |
---|
| 766 | __ASM volatile ("MRS %0, control" : "=r" (result) ); |
---|
| 767 | return(result); |
---|
| 768 | } |
---|
| 769 | |
---|
| 770 | |
---|
| 771 | #if (defined (__ARM_FEATURE_CMSE ) && (__ARM_FEATURE_CMSE == 3)) |
---|
| 772 | /** |
---|
| 773 | \brief Get Control Register (non-secure) |
---|
| 774 | \details Returns the content of the non-secure Control Register when in secure mode. |
---|
| 775 | \return non-secure Control Register value |
---|
| 776 | */ |
---|
| 777 | __STATIC_FORCEINLINE uint32_t __TZ_get_CONTROL_NS(void) |
---|
| 778 | { |
---|
| 779 | uint32_t result; |
---|
| 780 | |
---|
| 781 | __ASM volatile ("MRS %0, control_ns" : "=r" (result) ); |
---|
| 782 | return(result); |
---|
| 783 | } |
---|
| 784 | #endif |
---|
| 785 | |
---|
| 786 | |
---|
| 787 | /** |
---|
| 788 | \brief Set Control Register |
---|
| 789 | \details Writes the given value to the Control Register. |
---|
| 790 | \param [in] control Control Register value to set |
---|
| 791 | */ |
---|
| 792 | __STATIC_FORCEINLINE void __set_CONTROL(uint32_t control) |
---|
| 793 | { |
---|
| 794 | __ASM volatile ("MSR control, %0" : : "r" (control) : "memory"); |
---|
| 795 | __ISB(); |
---|
| 796 | } |
---|
| 797 | |
---|
| 798 | |
---|
| 799 | #if (defined (__ARM_FEATURE_CMSE ) && (__ARM_FEATURE_CMSE == 3)) |
---|
| 800 | /** |
---|
| 801 | \brief Set Control Register (non-secure) |
---|
| 802 | \details Writes the given value to the non-secure Control Register when in secure state. |
---|
| 803 | \param [in] control Control Register value to set |
---|
| 804 | */ |
---|
| 805 | __STATIC_FORCEINLINE void __TZ_set_CONTROL_NS(uint32_t control) |
---|
| 806 | { |
---|
| 807 | __ASM volatile ("MSR control_ns, %0" : : "r" (control) : "memory"); |
---|
| 808 | __ISB(); |
---|
| 809 | } |
---|
| 810 | #endif |
---|
| 811 | |
---|
| 812 | |
---|
| 813 | /** |
---|
| 814 | \brief Get IPSR Register |
---|
| 815 | \details Returns the content of the IPSR Register. |
---|
| 816 | \return IPSR Register value |
---|
| 817 | */ |
---|
| 818 | __STATIC_FORCEINLINE uint32_t __get_IPSR(void) |
---|
| 819 | { |
---|
| 820 | uint32_t result; |
---|
| 821 | |
---|
| 822 | __ASM volatile ("MRS %0, ipsr" : "=r" (result) ); |
---|
| 823 | return(result); |
---|
| 824 | } |
---|
| 825 | |
---|
| 826 | |
---|
| 827 | /** |
---|
| 828 | \brief Get APSR Register |
---|
| 829 | \details Returns the content of the APSR Register. |
---|
| 830 | \return APSR Register value |
---|
| 831 | */ |
---|
| 832 | __STATIC_FORCEINLINE uint32_t __get_APSR(void) |
---|
| 833 | { |
---|
| 834 | uint32_t result; |
---|
| 835 | |
---|
| 836 | __ASM volatile ("MRS %0, apsr" : "=r" (result) ); |
---|
| 837 | return(result); |
---|
| 838 | } |
---|
| 839 | |
---|
| 840 | |
---|
| 841 | /** |
---|
| 842 | \brief Get xPSR Register |
---|
| 843 | \details Returns the content of the xPSR Register. |
---|
| 844 | \return xPSR Register value |
---|
| 845 | */ |
---|
| 846 | __STATIC_FORCEINLINE uint32_t __get_xPSR(void) |
---|
| 847 | { |
---|
| 848 | uint32_t result; |
---|
| 849 | |
---|
| 850 | __ASM volatile ("MRS %0, xpsr" : "=r" (result) ); |
---|
| 851 | return(result); |
---|
| 852 | } |
---|
| 853 | |
---|
| 854 | |
---|
| 855 | /** |
---|
| 856 | \brief Get Process Stack Pointer |
---|
| 857 | \details Returns the current value of the Process Stack Pointer (PSP). |
---|
| 858 | \return PSP Register value |
---|
| 859 | */ |
---|
| 860 | __STATIC_FORCEINLINE uint32_t __get_PSP(void) |
---|
| 861 | { |
---|
| 862 | uint32_t result; |
---|
| 863 | |
---|
| 864 | __ASM volatile ("MRS %0, psp" : "=r" (result) ); |
---|
| 865 | return(result); |
---|
| 866 | } |
---|
| 867 | |
---|
| 868 | |
---|
| 869 | #if (defined (__ARM_FEATURE_CMSE ) && (__ARM_FEATURE_CMSE == 3)) |
---|
| 870 | /** |
---|
| 871 | \brief Get Process Stack Pointer (non-secure) |
---|
| 872 | \details Returns the current value of the non-secure Process Stack Pointer (PSP) when in secure state. |
---|
| 873 | \return PSP Register value |
---|
| 874 | */ |
---|
| 875 | __STATIC_FORCEINLINE uint32_t __TZ_get_PSP_NS(void) |
---|
| 876 | { |
---|
| 877 | uint32_t result; |
---|
| 878 | |
---|
| 879 | __ASM volatile ("MRS %0, psp_ns" : "=r" (result) ); |
---|
| 880 | return(result); |
---|
| 881 | } |
---|
| 882 | #endif |
---|
| 883 | |
---|
| 884 | |
---|
| 885 | /** |
---|
| 886 | \brief Set Process Stack Pointer |
---|
| 887 | \details Assigns the given value to the Process Stack Pointer (PSP). |
---|
| 888 | \param [in] topOfProcStack Process Stack Pointer value to set |
---|
| 889 | */ |
---|
| 890 | __STATIC_FORCEINLINE void __set_PSP(uint32_t topOfProcStack) |
---|
| 891 | { |
---|
| 892 | __ASM volatile ("MSR psp, %0" : : "r" (topOfProcStack) : ); |
---|
| 893 | } |
---|
| 894 | |
---|
| 895 | |
---|
| 896 | #if (defined (__ARM_FEATURE_CMSE ) && (__ARM_FEATURE_CMSE == 3)) |
---|
| 897 | /** |
---|
| 898 | \brief Set Process Stack Pointer (non-secure) |
---|
| 899 | \details Assigns the given value to the non-secure Process Stack Pointer (PSP) when in secure state. |
---|
| 900 | \param [in] topOfProcStack Process Stack Pointer value to set |
---|
| 901 | */ |
---|
| 902 | __STATIC_FORCEINLINE void __TZ_set_PSP_NS(uint32_t topOfProcStack) |
---|
| 903 | { |
---|
| 904 | __ASM volatile ("MSR psp_ns, %0" : : "r" (topOfProcStack) : ); |
---|
| 905 | } |
---|
| 906 | #endif |
---|
| 907 | |
---|
| 908 | |
---|
| 909 | /** |
---|
| 910 | \brief Get Main Stack Pointer |
---|
| 911 | \details Returns the current value of the Main Stack Pointer (MSP). |
---|
| 912 | \return MSP Register value |
---|
| 913 | */ |
---|
| 914 | __STATIC_FORCEINLINE uint32_t __get_MSP(void) |
---|
| 915 | { |
---|
| 916 | uint32_t result; |
---|
| 917 | |
---|
| 918 | __ASM volatile ("MRS %0, msp" : "=r" (result) ); |
---|
| 919 | return(result); |
---|
| 920 | } |
---|
| 921 | |
---|
| 922 | |
---|
| 923 | #if (defined (__ARM_FEATURE_CMSE ) && (__ARM_FEATURE_CMSE == 3)) |
---|
| 924 | /** |
---|
| 925 | \brief Get Main Stack Pointer (non-secure) |
---|
| 926 | \details Returns the current value of the non-secure Main Stack Pointer (MSP) when in secure state. |
---|
| 927 | \return MSP Register value |
---|
| 928 | */ |
---|
| 929 | __STATIC_FORCEINLINE uint32_t __TZ_get_MSP_NS(void) |
---|
| 930 | { |
---|
| 931 | uint32_t result; |
---|
| 932 | |
---|
| 933 | __ASM volatile ("MRS %0, msp_ns" : "=r" (result) ); |
---|
| 934 | return(result); |
---|
| 935 | } |
---|
| 936 | #endif |
---|
| 937 | |
---|
| 938 | |
---|
| 939 | /** |
---|
| 940 | \brief Set Main Stack Pointer |
---|
| 941 | \details Assigns the given value to the Main Stack Pointer (MSP). |
---|
| 942 | \param [in] topOfMainStack Main Stack Pointer value to set |
---|
| 943 | */ |
---|
| 944 | __STATIC_FORCEINLINE void __set_MSP(uint32_t topOfMainStack) |
---|
| 945 | { |
---|
| 946 | __ASM volatile ("MSR msp, %0" : : "r" (topOfMainStack) : ); |
---|
| 947 | } |
---|
| 948 | |
---|
| 949 | |
---|
| 950 | #if (defined (__ARM_FEATURE_CMSE ) && (__ARM_FEATURE_CMSE == 3)) |
---|
| 951 | /** |
---|
| 952 | \brief Set Main Stack Pointer (non-secure) |
---|
| 953 | \details Assigns the given value to the non-secure Main Stack Pointer (MSP) when in secure state. |
---|
| 954 | \param [in] topOfMainStack Main Stack Pointer value to set |
---|
| 955 | */ |
---|
| 956 | __STATIC_FORCEINLINE void __TZ_set_MSP_NS(uint32_t topOfMainStack) |
---|
| 957 | { |
---|
| 958 | __ASM volatile ("MSR msp_ns, %0" : : "r" (topOfMainStack) : ); |
---|
| 959 | } |
---|
| 960 | #endif |
---|
| 961 | |
---|
| 962 | |
---|
| 963 | #if (defined (__ARM_FEATURE_CMSE ) && (__ARM_FEATURE_CMSE == 3)) |
---|
| 964 | /** |
---|
| 965 | \brief Get Stack Pointer (non-secure) |
---|
| 966 | \details Returns the current value of the non-secure Stack Pointer (SP) when in secure state. |
---|
| 967 | \return SP Register value |
---|
| 968 | */ |
---|
| 969 | __STATIC_FORCEINLINE uint32_t __TZ_get_SP_NS(void) |
---|
| 970 | { |
---|
| 971 | uint32_t result; |
---|
| 972 | |
---|
| 973 | __ASM volatile ("MRS %0, sp_ns" : "=r" (result) ); |
---|
| 974 | return(result); |
---|
| 975 | } |
---|
| 976 | |
---|
| 977 | |
---|
| 978 | /** |
---|
| 979 | \brief Set Stack Pointer (non-secure) |
---|
| 980 | \details Assigns the given value to the non-secure Stack Pointer (SP) when in secure state. |
---|
| 981 | \param [in] topOfStack Stack Pointer value to set |
---|
| 982 | */ |
---|
| 983 | __STATIC_FORCEINLINE void __TZ_set_SP_NS(uint32_t topOfStack) |
---|
| 984 | { |
---|
| 985 | __ASM volatile ("MSR sp_ns, %0" : : "r" (topOfStack) : ); |
---|
| 986 | } |
---|
| 987 | #endif |
---|
| 988 | |
---|
| 989 | |
---|
| 990 | /** |
---|
| 991 | \brief Get Priority Mask |
---|
| 992 | \details Returns the current state of the priority mask bit from the Priority Mask Register. |
---|
| 993 | \return Priority Mask value |
---|
| 994 | */ |
---|
| 995 | __STATIC_FORCEINLINE uint32_t __get_PRIMASK(void) |
---|
| 996 | { |
---|
| 997 | uint32_t result; |
---|
| 998 | |
---|
| 999 | __ASM volatile ("MRS %0, primask" : "=r" (result) ); |
---|
| 1000 | return(result); |
---|
| 1001 | } |
---|
| 1002 | |
---|
| 1003 | |
---|
| 1004 | #if (defined (__ARM_FEATURE_CMSE ) && (__ARM_FEATURE_CMSE == 3)) |
---|
| 1005 | /** |
---|
| 1006 | \brief Get Priority Mask (non-secure) |
---|
| 1007 | \details Returns the current state of the non-secure priority mask bit from the Priority Mask Register when in secure state. |
---|
| 1008 | \return Priority Mask value |
---|
| 1009 | */ |
---|
| 1010 | __STATIC_FORCEINLINE uint32_t __TZ_get_PRIMASK_NS(void) |
---|
| 1011 | { |
---|
| 1012 | uint32_t result; |
---|
| 1013 | |
---|
| 1014 | __ASM volatile ("MRS %0, primask_ns" : "=r" (result) ); |
---|
| 1015 | return(result); |
---|
| 1016 | } |
---|
| 1017 | #endif |
---|
| 1018 | |
---|
| 1019 | |
---|
| 1020 | /** |
---|
| 1021 | \brief Set Priority Mask |
---|
| 1022 | \details Assigns the given value to the Priority Mask Register. |
---|
| 1023 | \param [in] priMask Priority Mask |
---|
| 1024 | */ |
---|
| 1025 | __STATIC_FORCEINLINE void __set_PRIMASK(uint32_t priMask) |
---|
| 1026 | { |
---|
| 1027 | __ASM volatile ("MSR primask, %0" : : "r" (priMask) : "memory"); |
---|
| 1028 | } |
---|
| 1029 | |
---|
| 1030 | |
---|
| 1031 | #if (defined (__ARM_FEATURE_CMSE ) && (__ARM_FEATURE_CMSE == 3)) |
---|
| 1032 | /** |
---|
| 1033 | \brief Set Priority Mask (non-secure) |
---|
| 1034 | \details Assigns the given value to the non-secure Priority Mask Register when in secure state. |
---|
| 1035 | \param [in] priMask Priority Mask |
---|
| 1036 | */ |
---|
| 1037 | __STATIC_FORCEINLINE void __TZ_set_PRIMASK_NS(uint32_t priMask) |
---|
| 1038 | { |
---|
| 1039 | __ASM volatile ("MSR primask_ns, %0" : : "r" (priMask) : "memory"); |
---|
| 1040 | } |
---|
| 1041 | #endif |
---|
| 1042 | |
---|
| 1043 | |
---|
| 1044 | #if ((defined (__ARM_ARCH_7M__ ) && (__ARM_ARCH_7M__ == 1)) || \ |
---|
| 1045 | (defined (__ARM_ARCH_7EM__ ) && (__ARM_ARCH_7EM__ == 1)) || \ |
---|
| 1046 | (defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)) || \ |
---|
| 1047 | (defined (__ARM_ARCH_8_1M_MAIN__) && (__ARM_ARCH_8_1M_MAIN__ == 1)) ) |
---|
| 1048 | /** |
---|
| 1049 | \brief Enable FIQ |
---|
| 1050 | \details Enables FIQ interrupts by clearing special-purpose register FAULTMASK. |
---|
| 1051 | Can only be executed in Privileged modes. |
---|
| 1052 | */ |
---|
| 1053 | __STATIC_FORCEINLINE void __enable_fault_irq(void) |
---|
| 1054 | { |
---|
| 1055 | __ASM volatile ("cpsie f" : : : "memory"); |
---|
| 1056 | } |
---|
| 1057 | |
---|
| 1058 | |
---|
| 1059 | /** |
---|
| 1060 | \brief Disable FIQ |
---|
| 1061 | \details Disables FIQ interrupts by setting special-purpose register FAULTMASK. |
---|
| 1062 | Can only be executed in Privileged modes. |
---|
| 1063 | */ |
---|
| 1064 | __STATIC_FORCEINLINE void __disable_fault_irq(void) |
---|
| 1065 | { |
---|
| 1066 | __ASM volatile ("cpsid f" : : : "memory"); |
---|
| 1067 | } |
---|
| 1068 | |
---|
| 1069 | |
---|
| 1070 | /** |
---|
| 1071 | \brief Get Base Priority |
---|
| 1072 | \details Returns the current value of the Base Priority register. |
---|
| 1073 | \return Base Priority register value |
---|
| 1074 | */ |
---|
| 1075 | __STATIC_FORCEINLINE uint32_t __get_BASEPRI(void) |
---|
| 1076 | { |
---|
| 1077 | uint32_t result; |
---|
| 1078 | |
---|
| 1079 | __ASM volatile ("MRS %0, basepri" : "=r" (result) ); |
---|
| 1080 | return(result); |
---|
| 1081 | } |
---|
| 1082 | |
---|
| 1083 | |
---|
| 1084 | #if (defined (__ARM_FEATURE_CMSE ) && (__ARM_FEATURE_CMSE == 3)) |
---|
| 1085 | /** |
---|
| 1086 | \brief Get Base Priority (non-secure) |
---|
| 1087 | \details Returns the current value of the non-secure Base Priority register when in secure state. |
---|
| 1088 | \return Base Priority register value |
---|
| 1089 | */ |
---|
| 1090 | __STATIC_FORCEINLINE uint32_t __TZ_get_BASEPRI_NS(void) |
---|
| 1091 | { |
---|
| 1092 | uint32_t result; |
---|
| 1093 | |
---|
| 1094 | __ASM volatile ("MRS %0, basepri_ns" : "=r" (result) ); |
---|
| 1095 | return(result); |
---|
| 1096 | } |
---|
| 1097 | #endif |
---|
| 1098 | |
---|
| 1099 | |
---|
| 1100 | /** |
---|
| 1101 | \brief Set Base Priority |
---|
| 1102 | \details Assigns the given value to the Base Priority register. |
---|
| 1103 | \param [in] basePri Base Priority value to set |
---|
| 1104 | */ |
---|
| 1105 | __STATIC_FORCEINLINE void __set_BASEPRI(uint32_t basePri) |
---|
| 1106 | { |
---|
| 1107 | __ASM volatile ("MSR basepri, %0" : : "r" (basePri) : "memory"); |
---|
| 1108 | } |
---|
| 1109 | |
---|
| 1110 | |
---|
| 1111 | #if (defined (__ARM_FEATURE_CMSE ) && (__ARM_FEATURE_CMSE == 3)) |
---|
| 1112 | /** |
---|
| 1113 | \brief Set Base Priority (non-secure) |
---|
| 1114 | \details Assigns the given value to the non-secure Base Priority register when in secure state. |
---|
| 1115 | \param [in] basePri Base Priority value to set |
---|
| 1116 | */ |
---|
| 1117 | __STATIC_FORCEINLINE void __TZ_set_BASEPRI_NS(uint32_t basePri) |
---|
| 1118 | { |
---|
| 1119 | __ASM volatile ("MSR basepri_ns, %0" : : "r" (basePri) : "memory"); |
---|
| 1120 | } |
---|
| 1121 | #endif |
---|
| 1122 | |
---|
| 1123 | |
---|
| 1124 | /** |
---|
| 1125 | \brief Set Base Priority with condition |
---|
| 1126 | \details Assigns the given value to the Base Priority register only if BASEPRI masking is disabled, |
---|
| 1127 | or the new value increases the BASEPRI priority level. |
---|
| 1128 | \param [in] basePri Base Priority value to set |
---|
| 1129 | */ |
---|
| 1130 | __STATIC_FORCEINLINE void __set_BASEPRI_MAX(uint32_t basePri) |
---|
| 1131 | { |
---|
| 1132 | __ASM volatile ("MSR basepri_max, %0" : : "r" (basePri) : "memory"); |
---|
| 1133 | } |
---|
| 1134 | |
---|
| 1135 | |
---|
| 1136 | /** |
---|
| 1137 | \brief Get Fault Mask |
---|
| 1138 | \details Returns the current value of the Fault Mask register. |
---|
| 1139 | \return Fault Mask register value |
---|
| 1140 | */ |
---|
| 1141 | __STATIC_FORCEINLINE uint32_t __get_FAULTMASK(void) |
---|
| 1142 | { |
---|
| 1143 | uint32_t result; |
---|
| 1144 | |
---|
| 1145 | __ASM volatile ("MRS %0, faultmask" : "=r" (result) ); |
---|
| 1146 | return(result); |
---|
| 1147 | } |
---|
| 1148 | |
---|
| 1149 | |
---|
| 1150 | #if (defined (__ARM_FEATURE_CMSE ) && (__ARM_FEATURE_CMSE == 3)) |
---|
| 1151 | /** |
---|
| 1152 | \brief Get Fault Mask (non-secure) |
---|
| 1153 | \details Returns the current value of the non-secure Fault Mask register when in secure state. |
---|
| 1154 | \return Fault Mask register value |
---|
| 1155 | */ |
---|
| 1156 | __STATIC_FORCEINLINE uint32_t __TZ_get_FAULTMASK_NS(void) |
---|
| 1157 | { |
---|
| 1158 | uint32_t result; |
---|
| 1159 | |
---|
| 1160 | __ASM volatile ("MRS %0, faultmask_ns" : "=r" (result) ); |
---|
| 1161 | return(result); |
---|
| 1162 | } |
---|
| 1163 | #endif |
---|
| 1164 | |
---|
| 1165 | |
---|
| 1166 | /** |
---|
| 1167 | \brief Set Fault Mask |
---|
| 1168 | \details Assigns the given value to the Fault Mask register. |
---|
| 1169 | \param [in] faultMask Fault Mask value to set |
---|
| 1170 | */ |
---|
| 1171 | __STATIC_FORCEINLINE void __set_FAULTMASK(uint32_t faultMask) |
---|
| 1172 | { |
---|
| 1173 | __ASM volatile ("MSR faultmask, %0" : : "r" (faultMask) : "memory"); |
---|
| 1174 | } |
---|
| 1175 | |
---|
| 1176 | |
---|
| 1177 | #if (defined (__ARM_FEATURE_CMSE ) && (__ARM_FEATURE_CMSE == 3)) |
---|
| 1178 | /** |
---|
| 1179 | \brief Set Fault Mask (non-secure) |
---|
| 1180 | \details Assigns the given value to the non-secure Fault Mask register when in secure state. |
---|
| 1181 | \param [in] faultMask Fault Mask value to set |
---|
| 1182 | */ |
---|
| 1183 | __STATIC_FORCEINLINE void __TZ_set_FAULTMASK_NS(uint32_t faultMask) |
---|
| 1184 | { |
---|
| 1185 | __ASM volatile ("MSR faultmask_ns, %0" : : "r" (faultMask) : "memory"); |
---|
| 1186 | } |
---|
| 1187 | #endif |
---|
| 1188 | |
---|
| 1189 | #endif /* ((defined (__ARM_ARCH_7M__ ) && (__ARM_ARCH_7M__ == 1)) || \ |
---|
| 1190 | (defined (__ARM_ARCH_7EM__ ) && (__ARM_ARCH_7EM__ == 1)) || \ |
---|
| 1191 | (defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)) || \ |
---|
| 1192 | (defined (__ARM_ARCH_8_1M_MAIN__) && (__ARM_ARCH_8_1M_MAIN__ == 1)) ) */ |
---|
| 1193 | |
---|
| 1194 | |
---|
| 1195 | #if ((defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)) || \ |
---|
| 1196 | (defined (__ARM_ARCH_8M_BASE__ ) && (__ARM_ARCH_8M_BASE__ == 1)) || \ |
---|
| 1197 | (defined (__ARM_ARCH_8_1M_MAIN__) && (__ARM_ARCH_8_1M_MAIN__ == 1)) ) |
---|
| 1198 | |
---|
| 1199 | /** |
---|
| 1200 | \brief Get Process Stack Pointer Limit |
---|
| 1201 | Devices without ARMv8-M Main Extensions (i.e. Cortex-M23) lack the non-secure |
---|
| 1202 | Stack Pointer Limit register hence zero is returned always in non-secure |
---|
| 1203 | mode. |
---|
| 1204 | |
---|
| 1205 | \details Returns the current value of the Process Stack Pointer Limit (PSPLIM). |
---|
| 1206 | \return PSPLIM Register value |
---|
| 1207 | */ |
---|
| 1208 | __STATIC_FORCEINLINE uint32_t __get_PSPLIM(void) |
---|
| 1209 | { |
---|
| 1210 | #if (!((defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)) || \ |
---|
| 1211 | (defined (__ARM_ARCH_8_1M_MAIN__ ) && (__ARM_ARCH_8_1M_MAIN__ == 1)) ) && \ |
---|
| 1212 | (!defined (__ARM_FEATURE_CMSE) || (__ARM_FEATURE_CMSE < 3))) |
---|
| 1213 | // without main extensions, the non-secure PSPLIM is RAZ/WI |
---|
| 1214 | return 0U; |
---|
| 1215 | #else |
---|
| 1216 | uint32_t result; |
---|
| 1217 | __ASM volatile ("MRS %0, psplim" : "=r" (result) ); |
---|
| 1218 | return result; |
---|
| 1219 | #endif |
---|
| 1220 | } |
---|
| 1221 | |
---|
| 1222 | #if (defined (__ARM_FEATURE_CMSE) && (__ARM_FEATURE_CMSE == 3)) |
---|
| 1223 | /** |
---|
| 1224 | \brief Get Process Stack Pointer Limit (non-secure) |
---|
| 1225 | Devices without ARMv8-M Main Extensions (i.e. Cortex-M23) lack the non-secure |
---|
| 1226 | Stack Pointer Limit register hence zero is returned always in non-secure |
---|
| 1227 | mode. |
---|
| 1228 | |
---|
| 1229 | \details Returns the current value of the non-secure Process Stack Pointer Limit (PSPLIM) when in secure state. |
---|
| 1230 | \return PSPLIM Register value |
---|
| 1231 | */ |
---|
| 1232 | __STATIC_FORCEINLINE uint32_t __TZ_get_PSPLIM_NS(void) |
---|
| 1233 | { |
---|
| 1234 | #if (!((defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)) || \ |
---|
| 1235 | (defined (__ARM_ARCH_8_1M_MAIN__ ) && (__ARM_ARCH_8_1M_MAIN__ == 1)) ) ) |
---|
| 1236 | // without main extensions, the non-secure PSPLIM is RAZ/WI |
---|
| 1237 | return 0U; |
---|
| 1238 | #else |
---|
| 1239 | uint32_t result; |
---|
| 1240 | __ASM volatile ("MRS %0, psplim_ns" : "=r" (result) ); |
---|
| 1241 | return result; |
---|
| 1242 | #endif |
---|
| 1243 | } |
---|
| 1244 | #endif |
---|
| 1245 | |
---|
| 1246 | |
---|
| 1247 | /** |
---|
| 1248 | \brief Set Process Stack Pointer Limit |
---|
| 1249 | Devices without ARMv8-M Main Extensions (i.e. Cortex-M23) lack the non-secure |
---|
| 1250 | Stack Pointer Limit register hence the write is silently ignored in non-secure |
---|
| 1251 | mode. |
---|
| 1252 | |
---|
| 1253 | \details Assigns the given value to the Process Stack Pointer Limit (PSPLIM). |
---|
| 1254 | \param [in] ProcStackPtrLimit Process Stack Pointer Limit value to set |
---|
| 1255 | */ |
---|
| 1256 | __STATIC_FORCEINLINE void __set_PSPLIM(uint32_t ProcStackPtrLimit) |
---|
| 1257 | { |
---|
| 1258 | #if (!((defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)) || \ |
---|
| 1259 | (defined (__ARM_ARCH_8_1M_MAIN__ ) && (__ARM_ARCH_8_1M_MAIN__ == 1)) ) && \ |
---|
| 1260 | (!defined (__ARM_FEATURE_CMSE) || (__ARM_FEATURE_CMSE < 3))) |
---|
| 1261 | // without main extensions, the non-secure PSPLIM is RAZ/WI |
---|
| 1262 | (void)ProcStackPtrLimit; |
---|
| 1263 | #else |
---|
| 1264 | __ASM volatile ("MSR psplim, %0" : : "r" (ProcStackPtrLimit)); |
---|
| 1265 | #endif |
---|
| 1266 | } |
---|
| 1267 | |
---|
| 1268 | |
---|
| 1269 | #if (defined (__ARM_FEATURE_CMSE ) && (__ARM_FEATURE_CMSE == 3)) |
---|
| 1270 | /** |
---|
| 1271 | \brief Set Process Stack Pointer (non-secure) |
---|
| 1272 | Devices without ARMv8-M Main Extensions (i.e. Cortex-M23) lack the non-secure |
---|
| 1273 | Stack Pointer Limit register hence the write is silently ignored in non-secure |
---|
| 1274 | mode. |
---|
| 1275 | |
---|
| 1276 | \details Assigns the given value to the non-secure Process Stack Pointer Limit (PSPLIM) when in secure state. |
---|
| 1277 | \param [in] ProcStackPtrLimit Process Stack Pointer Limit value to set |
---|
| 1278 | */ |
---|
| 1279 | __STATIC_FORCEINLINE void __TZ_set_PSPLIM_NS(uint32_t ProcStackPtrLimit) |
---|
| 1280 | { |
---|
| 1281 | #if (!((defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)) || \ |
---|
| 1282 | (defined (__ARM_ARCH_8_1M_MAIN__ ) && (__ARM_ARCH_8_1M_MAIN__ == 1)) ) ) |
---|
| 1283 | // without main extensions, the non-secure PSPLIM is RAZ/WI |
---|
| 1284 | (void)ProcStackPtrLimit; |
---|
| 1285 | #else |
---|
| 1286 | __ASM volatile ("MSR psplim_ns, %0\n" : : "r" (ProcStackPtrLimit)); |
---|
| 1287 | #endif |
---|
| 1288 | } |
---|
| 1289 | #endif |
---|
| 1290 | |
---|
| 1291 | |
---|
| 1292 | /** |
---|
| 1293 | \brief Get Main Stack Pointer Limit |
---|
| 1294 | Devices without ARMv8-M Main Extensions (i.e. Cortex-M23) lack the non-secure |
---|
| 1295 | Stack Pointer Limit register hence zero is returned always. |
---|
| 1296 | |
---|
| 1297 | \details Returns the current value of the Main Stack Pointer Limit (MSPLIM). |
---|
| 1298 | \return MSPLIM Register value |
---|
| 1299 | */ |
---|
| 1300 | __STATIC_FORCEINLINE uint32_t __get_MSPLIM(void) |
---|
| 1301 | { |
---|
| 1302 | #if (!((defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)) || \ |
---|
| 1303 | (defined (__ARM_ARCH_8_1M_MAIN__ ) && (__ARM_ARCH_8_1M_MAIN__ == 1)) ) && \ |
---|
| 1304 | (!defined (__ARM_FEATURE_CMSE) || (__ARM_FEATURE_CMSE < 3))) |
---|
| 1305 | // without main extensions, the non-secure MSPLIM is RAZ/WI |
---|
| 1306 | return 0U; |
---|
| 1307 | #else |
---|
| 1308 | uint32_t result; |
---|
| 1309 | __ASM volatile ("MRS %0, msplim" : "=r" (result) ); |
---|
| 1310 | return result; |
---|
| 1311 | #endif |
---|
| 1312 | } |
---|
| 1313 | |
---|
| 1314 | |
---|
| 1315 | #if (defined (__ARM_FEATURE_CMSE ) && (__ARM_FEATURE_CMSE == 3)) |
---|
| 1316 | /** |
---|
| 1317 | \brief Get Main Stack Pointer Limit (non-secure) |
---|
| 1318 | Devices without ARMv8-M Main Extensions (i.e. Cortex-M23) lack the non-secure |
---|
| 1319 | Stack Pointer Limit register hence zero is returned always. |
---|
| 1320 | |
---|
| 1321 | \details Returns the current value of the non-secure Main Stack Pointer Limit(MSPLIM) when in secure state. |
---|
| 1322 | \return MSPLIM Register value |
---|
| 1323 | */ |
---|
| 1324 | __STATIC_FORCEINLINE uint32_t __TZ_get_MSPLIM_NS(void) |
---|
| 1325 | { |
---|
| 1326 | #if (!((defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)) || \ |
---|
| 1327 | (defined (__ARM_ARCH_8_1M_MAIN__ ) && (__ARM_ARCH_8_1M_MAIN__ == 1)) ) ) |
---|
| 1328 | // without main extensions, the non-secure MSPLIM is RAZ/WI |
---|
| 1329 | return 0U; |
---|
| 1330 | #else |
---|
| 1331 | uint32_t result; |
---|
| 1332 | __ASM volatile ("MRS %0, msplim_ns" : "=r" (result) ); |
---|
| 1333 | return result; |
---|
| 1334 | #endif |
---|
| 1335 | } |
---|
| 1336 | #endif |
---|
| 1337 | |
---|
| 1338 | |
---|
| 1339 | /** |
---|
| 1340 | \brief Set Main Stack Pointer Limit |
---|
| 1341 | Devices without ARMv8-M Main Extensions (i.e. Cortex-M23) lack the non-secure |
---|
| 1342 | Stack Pointer Limit register hence the write is silently ignored. |
---|
| 1343 | |
---|
| 1344 | \details Assigns the given value to the Main Stack Pointer Limit (MSPLIM). |
---|
| 1345 | \param [in] MainStackPtrLimit Main Stack Pointer Limit value to set |
---|
| 1346 | */ |
---|
| 1347 | __STATIC_FORCEINLINE void __set_MSPLIM(uint32_t MainStackPtrLimit) |
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| 1348 | { |
---|
| 1349 | #if (!((defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)) || \ |
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| 1350 | (defined (__ARM_ARCH_8_1M_MAIN__ ) && (__ARM_ARCH_8_1M_MAIN__ == 1)) ) && \ |
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| 1351 | (!defined (__ARM_FEATURE_CMSE) || (__ARM_FEATURE_CMSE < 3))) |
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| 1352 | // without main extensions, the non-secure MSPLIM is RAZ/WI |
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| 1353 | (void)MainStackPtrLimit; |
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| 1354 | #else |
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| 1355 | __ASM volatile ("MSR msplim, %0" : : "r" (MainStackPtrLimit)); |
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| 1356 | #endif |
---|
| 1357 | } |
---|
| 1358 | |
---|
| 1359 | |
---|
| 1360 | #if (defined (__ARM_FEATURE_CMSE ) && (__ARM_FEATURE_CMSE == 3)) |
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| 1361 | /** |
---|
| 1362 | \brief Set Main Stack Pointer Limit (non-secure) |
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| 1363 | Devices without ARMv8-M Main Extensions (i.e. Cortex-M23) lack the non-secure |
---|
| 1364 | Stack Pointer Limit register hence the write is silently ignored. |
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| 1365 | |
---|
| 1366 | \details Assigns the given value to the non-secure Main Stack Pointer Limit (MSPLIM) when in secure state. |
---|
| 1367 | \param [in] MainStackPtrLimit Main Stack Pointer value to set |
---|
| 1368 | */ |
---|
| 1369 | __STATIC_FORCEINLINE void __TZ_set_MSPLIM_NS(uint32_t MainStackPtrLimit) |
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| 1370 | { |
---|
| 1371 | #if (!((defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)) || \ |
---|
| 1372 | (defined (__ARM_ARCH_8_1M_MAIN__ ) && (__ARM_ARCH_8_1M_MAIN__ == 1)) ) ) |
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| 1373 | // without main extensions, the non-secure MSPLIM is RAZ/WI |
---|
| 1374 | (void)MainStackPtrLimit; |
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| 1375 | #else |
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| 1376 | __ASM volatile ("MSR msplim_ns, %0" : : "r" (MainStackPtrLimit)); |
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| 1377 | #endif |
---|
| 1378 | } |
---|
| 1379 | #endif |
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| 1380 | |
---|
| 1381 | #endif /* ((defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)) || \ |
---|
| 1382 | (defined (__ARM_ARCH_8M_BASE__ ) && (__ARM_ARCH_8M_BASE__ == 1)) || \ |
---|
| 1383 | (defined (__ARM_ARCH_8_1M_MAIN__) && (__ARM_ARCH_8_1M_MAIN__ == 1)) ) */ |
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| 1384 | |
---|
| 1385 | /** |
---|
| 1386 | \brief Get FPSCR |
---|
| 1387 | \details Returns the current value of the Floating Point Status/Control register. |
---|
| 1388 | \return Floating Point Status/Control register value |
---|
| 1389 | */ |
---|
| 1390 | #if ((defined (__FPU_PRESENT) && (__FPU_PRESENT == 1U)) && \ |
---|
| 1391 | (defined (__FPU_USED ) && (__FPU_USED == 1U)) ) |
---|
| 1392 | #define __get_FPSCR (uint32_t)__builtin_arm_get_fpscr |
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| 1393 | #else |
---|
| 1394 | #define __get_FPSCR() ((uint32_t)0U) |
---|
| 1395 | #endif |
---|
| 1396 | |
---|
| 1397 | /** |
---|
| 1398 | \brief Set FPSCR |
---|
| 1399 | \details Assigns the given value to the Floating Point Status/Control register. |
---|
| 1400 | \param [in] fpscr Floating Point Status/Control value to set |
---|
| 1401 | */ |
---|
| 1402 | #if ((defined (__FPU_PRESENT) && (__FPU_PRESENT == 1U)) && \ |
---|
| 1403 | (defined (__FPU_USED ) && (__FPU_USED == 1U)) ) |
---|
| 1404 | #define __set_FPSCR __builtin_arm_set_fpscr |
---|
| 1405 | #else |
---|
| 1406 | #define __set_FPSCR(x) ((void)(x)) |
---|
| 1407 | #endif |
---|
| 1408 | |
---|
| 1409 | |
---|
| 1410 | /*@} end of CMSIS_Core_RegAccFunctions */ |
---|
| 1411 | |
---|
| 1412 | |
---|
| 1413 | /* ################### Compiler specific Intrinsics ########################### */ |
---|
| 1414 | /** \defgroup CMSIS_SIMD_intrinsics CMSIS SIMD Intrinsics |
---|
| 1415 | Access to dedicated SIMD instructions |
---|
| 1416 | @{ |
---|
| 1417 | */ |
---|
| 1418 | |
---|
| 1419 | #if (defined (__ARM_FEATURE_DSP) && (__ARM_FEATURE_DSP == 1)) |
---|
| 1420 | |
---|
| 1421 | #define __SADD8 __builtin_arm_sadd8 |
---|
| 1422 | #define __QADD8 __builtin_arm_qadd8 |
---|
| 1423 | #define __SHADD8 __builtin_arm_shadd8 |
---|
| 1424 | #define __UADD8 __builtin_arm_uadd8 |
---|
| 1425 | #define __UQADD8 __builtin_arm_uqadd8 |
---|
| 1426 | #define __UHADD8 __builtin_arm_uhadd8 |
---|
| 1427 | #define __SSUB8 __builtin_arm_ssub8 |
---|
| 1428 | #define __QSUB8 __builtin_arm_qsub8 |
---|
| 1429 | #define __SHSUB8 __builtin_arm_shsub8 |
---|
| 1430 | #define __USUB8 __builtin_arm_usub8 |
---|
| 1431 | #define __UQSUB8 __builtin_arm_uqsub8 |
---|
| 1432 | #define __UHSUB8 __builtin_arm_uhsub8 |
---|
| 1433 | #define __SADD16 __builtin_arm_sadd16 |
---|
| 1434 | #define __QADD16 __builtin_arm_qadd16 |
---|
| 1435 | #define __SHADD16 __builtin_arm_shadd16 |
---|
| 1436 | #define __UADD16 __builtin_arm_uadd16 |
---|
| 1437 | #define __UQADD16 __builtin_arm_uqadd16 |
---|
| 1438 | #define __UHADD16 __builtin_arm_uhadd16 |
---|
| 1439 | #define __SSUB16 __builtin_arm_ssub16 |
---|
| 1440 | #define __QSUB16 __builtin_arm_qsub16 |
---|
| 1441 | #define __SHSUB16 __builtin_arm_shsub16 |
---|
| 1442 | #define __USUB16 __builtin_arm_usub16 |
---|
| 1443 | #define __UQSUB16 __builtin_arm_uqsub16 |
---|
| 1444 | #define __UHSUB16 __builtin_arm_uhsub16 |
---|
| 1445 | #define __SASX __builtin_arm_sasx |
---|
| 1446 | #define __QASX __builtin_arm_qasx |
---|
| 1447 | #define __SHASX __builtin_arm_shasx |
---|
| 1448 | #define __UASX __builtin_arm_uasx |
---|
| 1449 | #define __UQASX __builtin_arm_uqasx |
---|
| 1450 | #define __UHASX __builtin_arm_uhasx |
---|
| 1451 | #define __SSAX __builtin_arm_ssax |
---|
| 1452 | #define __QSAX __builtin_arm_qsax |
---|
| 1453 | #define __SHSAX __builtin_arm_shsax |
---|
| 1454 | #define __USAX __builtin_arm_usax |
---|
| 1455 | #define __UQSAX __builtin_arm_uqsax |
---|
| 1456 | #define __UHSAX __builtin_arm_uhsax |
---|
| 1457 | #define __USAD8 __builtin_arm_usad8 |
---|
| 1458 | #define __USADA8 __builtin_arm_usada8 |
---|
| 1459 | #define __SSAT16 __builtin_arm_ssat16 |
---|
| 1460 | #define __USAT16 __builtin_arm_usat16 |
---|
| 1461 | #define __UXTB16 __builtin_arm_uxtb16 |
---|
| 1462 | #define __UXTAB16 __builtin_arm_uxtab16 |
---|
| 1463 | #define __SXTB16 __builtin_arm_sxtb16 |
---|
| 1464 | #define __SXTAB16 __builtin_arm_sxtab16 |
---|
| 1465 | #define __SMUAD __builtin_arm_smuad |
---|
| 1466 | #define __SMUADX __builtin_arm_smuadx |
---|
| 1467 | #define __SMLAD __builtin_arm_smlad |
---|
| 1468 | #define __SMLADX __builtin_arm_smladx |
---|
| 1469 | #define __SMLALD __builtin_arm_smlald |
---|
| 1470 | #define __SMLALDX __builtin_arm_smlaldx |
---|
| 1471 | #define __SMUSD __builtin_arm_smusd |
---|
| 1472 | #define __SMUSDX __builtin_arm_smusdx |
---|
| 1473 | #define __SMLSD __builtin_arm_smlsd |
---|
| 1474 | #define __SMLSDX __builtin_arm_smlsdx |
---|
| 1475 | #define __SMLSLD __builtin_arm_smlsld |
---|
| 1476 | #define __SMLSLDX __builtin_arm_smlsldx |
---|
| 1477 | #define __SEL __builtin_arm_sel |
---|
| 1478 | #define __QADD __builtin_arm_qadd |
---|
| 1479 | #define __QSUB __builtin_arm_qsub |
---|
| 1480 | |
---|
| 1481 | #define __PKHBT(ARG1,ARG2,ARG3) ( ((((uint32_t)(ARG1)) ) & 0x0000FFFFUL) | \ |
---|
| 1482 | ((((uint32_t)(ARG2)) << (ARG3)) & 0xFFFF0000UL) ) |
---|
| 1483 | |
---|
| 1484 | #define __PKHTB(ARG1,ARG2,ARG3) ( ((((uint32_t)(ARG1)) ) & 0xFFFF0000UL) | \ |
---|
| 1485 | ((((uint32_t)(ARG2)) >> (ARG3)) & 0x0000FFFFUL) ) |
---|
| 1486 | |
---|
| 1487 | #define __SXTB16_RORn(ARG1, ARG2) __SXTB16(__ROR(ARG1, ARG2)) |
---|
| 1488 | |
---|
| 1489 | #define __SXTAB16_RORn(ARG1, ARG2, ARG3) __SXTAB16(ARG1, __ROR(ARG2, ARG3)) |
---|
| 1490 | |
---|
| 1491 | __STATIC_FORCEINLINE int32_t __SMMLA (int32_t op1, int32_t op2, int32_t op3) |
---|
| 1492 | { |
---|
| 1493 | int32_t result; |
---|
| 1494 | |
---|
| 1495 | __ASM volatile ("smmla %0, %1, %2, %3" : "=r" (result): "r" (op1), "r" (op2), "r" (op3) ); |
---|
| 1496 | return(result); |
---|
| 1497 | } |
---|
| 1498 | |
---|
| 1499 | #endif /* (__ARM_FEATURE_DSP == 1) */ |
---|
| 1500 | /*@} end of group CMSIS_SIMD_intrinsics */ |
---|
| 1501 | |
---|
| 1502 | |
---|
| 1503 | #endif /* __CMSIS_ARMCLANG_H */ |
---|