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| 2 | mjames | 1 | /**************************************************************************//** |
| 2 | * @file cmsis_armcc.h |
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| 3 | * @brief CMSIS Cortex-M Core Function/Instruction Header File |
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| 4 | * @version V4.30 |
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| 5 | * @date 20. October 2015 |
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| 6 | ******************************************************************************/ |
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| 7 | /* Copyright (c) 2009 - 2015 ARM LIMITED |
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| 8 | |||
| 9 | All rights reserved. |
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| 10 | Redistribution and use in source and binary forms, with or without |
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| 11 | modification, are permitted provided that the following conditions are met: |
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| 12 | - Redistributions of source code must retain the above copyright |
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| 13 | notice, this list of conditions and the following disclaimer. |
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| 14 | - Redistributions in binary form must reproduce the above copyright |
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| 15 | notice, this list of conditions and the following disclaimer in the |
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| 16 | documentation and/or other materials provided with the distribution. |
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| 17 | - Neither the name of ARM nor the names of its contributors may be used |
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| 18 | to endorse or promote products derived from this software without |
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| 19 | specific prior written permission. |
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| 20 | * |
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| 21 | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
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| 22 | AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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| 23 | IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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| 24 | ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE |
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| 25 | LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
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| 26 | CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
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| 27 | SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
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| 28 | INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
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| 29 | CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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| 30 | ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
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| 31 | POSSIBILITY OF SUCH DAMAGE. |
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| 32 | ---------------------------------------------------------------------------*/ |
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| 33 | |||
| 34 | |||
| 35 | #ifndef __CMSIS_ARMCC_H |
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| 36 | #define __CMSIS_ARMCC_H |
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| 37 | |||
| 38 | |||
| 39 | #if defined(__ARMCC_VERSION) && (__ARMCC_VERSION < 400677) |
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| 40 | #error "Please use ARM Compiler Toolchain V4.0.677 or later!" |
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| 41 | #endif |
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| 42 | |||
| 43 | /* ########################### Core Function Access ########################### */ |
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| 44 | /** \ingroup CMSIS_Core_FunctionInterface |
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| 45 | \defgroup CMSIS_Core_RegAccFunctions CMSIS Core Register Access Functions |
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| 46 | @{ |
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| 47 | */ |
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| 48 | |||
| 49 | /* intrinsic void __enable_irq(); */ |
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| 50 | /* intrinsic void __disable_irq(); */ |
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| 51 | |||
| 52 | /** |
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| 53 | \brief Get Control Register |
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| 54 | \details Returns the content of the Control Register. |
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| 55 | \return Control Register value |
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| 56 | */ |
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| 57 | __STATIC_INLINE uint32_t __get_CONTROL(void) |
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| 58 | { |
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| 59 | register uint32_t __regControl __ASM("control"); |
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| 60 | return(__regControl); |
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| 61 | } |
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| 62 | |||
| 63 | |||
| 64 | /** |
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| 65 | \brief Set Control Register |
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| 66 | \details Writes the given value to the Control Register. |
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| 67 | \param [in] control Control Register value to set |
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| 68 | */ |
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| 69 | __STATIC_INLINE void __set_CONTROL(uint32_t control) |
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| 70 | { |
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| 71 | register uint32_t __regControl __ASM("control"); |
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| 72 | __regControl = control; |
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| 73 | } |
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| 74 | |||
| 75 | |||
| 76 | /** |
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| 77 | \brief Get IPSR Register |
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| 78 | \details Returns the content of the IPSR Register. |
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| 79 | \return IPSR Register value |
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| 80 | */ |
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| 81 | __STATIC_INLINE uint32_t __get_IPSR(void) |
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| 82 | { |
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| 83 | register uint32_t __regIPSR __ASM("ipsr"); |
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| 84 | return(__regIPSR); |
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| 85 | } |
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| 86 | |||
| 87 | |||
| 88 | /** |
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| 89 | \brief Get APSR Register |
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| 90 | \details Returns the content of the APSR Register. |
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| 91 | \return APSR Register value |
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| 92 | */ |
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| 93 | __STATIC_INLINE uint32_t __get_APSR(void) |
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| 94 | { |
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| 95 | register uint32_t __regAPSR __ASM("apsr"); |
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| 96 | return(__regAPSR); |
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| 97 | } |
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| 98 | |||
| 99 | |||
| 100 | /** |
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| 101 | \brief Get xPSR Register |
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| 102 | \details Returns the content of the xPSR Register. |
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| 103 | \return xPSR Register value |
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| 104 | */ |
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| 105 | __STATIC_INLINE uint32_t __get_xPSR(void) |
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| 106 | { |
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| 107 | register uint32_t __regXPSR __ASM("xpsr"); |
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| 108 | return(__regXPSR); |
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| 109 | } |
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| 110 | |||
| 111 | |||
| 112 | /** |
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| 113 | \brief Get Process Stack Pointer |
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| 114 | \details Returns the current value of the Process Stack Pointer (PSP). |
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| 115 | \return PSP Register value |
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| 116 | */ |
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| 117 | __STATIC_INLINE uint32_t __get_PSP(void) |
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| 118 | { |
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| 119 | register uint32_t __regProcessStackPointer __ASM("psp"); |
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| 120 | return(__regProcessStackPointer); |
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| 121 | } |
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| 122 | |||
| 123 | |||
| 124 | /** |
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| 125 | \brief Set Process Stack Pointer |
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| 126 | \details Assigns the given value to the Process Stack Pointer (PSP). |
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| 127 | \param [in] topOfProcStack Process Stack Pointer value to set |
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| 128 | */ |
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| 129 | __STATIC_INLINE void __set_PSP(uint32_t topOfProcStack) |
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| 130 | { |
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| 131 | register uint32_t __regProcessStackPointer __ASM("psp"); |
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| 132 | __regProcessStackPointer = topOfProcStack; |
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| 133 | } |
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| 134 | |||
| 135 | |||
| 136 | /** |
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| 137 | \brief Get Main Stack Pointer |
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| 138 | \details Returns the current value of the Main Stack Pointer (MSP). |
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| 139 | \return MSP Register value |
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| 140 | */ |
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| 141 | __STATIC_INLINE uint32_t __get_MSP(void) |
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| 142 | { |
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| 143 | register uint32_t __regMainStackPointer __ASM("msp"); |
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| 144 | return(__regMainStackPointer); |
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| 145 | } |
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| 146 | |||
| 147 | |||
| 148 | /** |
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| 149 | \brief Set Main Stack Pointer |
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| 150 | \details Assigns the given value to the Main Stack Pointer (MSP). |
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| 151 | \param [in] topOfMainStack Main Stack Pointer value to set |
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| 152 | */ |
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| 153 | __STATIC_INLINE void __set_MSP(uint32_t topOfMainStack) |
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| 154 | { |
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| 155 | register uint32_t __regMainStackPointer __ASM("msp"); |
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| 156 | __regMainStackPointer = topOfMainStack; |
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| 157 | } |
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| 158 | |||
| 159 | |||
| 160 | /** |
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| 161 | \brief Get Priority Mask |
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| 162 | \details Returns the current state of the priority mask bit from the Priority Mask Register. |
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| 163 | \return Priority Mask value |
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| 164 | */ |
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| 165 | __STATIC_INLINE uint32_t __get_PRIMASK(void) |
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| 166 | { |
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| 167 | register uint32_t __regPriMask __ASM("primask"); |
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| 168 | return(__regPriMask); |
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| 169 | } |
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| 170 | |||
| 171 | |||
| 172 | /** |
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| 173 | \brief Set Priority Mask |
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| 174 | \details Assigns the given value to the Priority Mask Register. |
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| 175 | \param [in] priMask Priority Mask |
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| 176 | */ |
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| 177 | __STATIC_INLINE void __set_PRIMASK(uint32_t priMask) |
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| 178 | { |
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| 179 | register uint32_t __regPriMask __ASM("primask"); |
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| 180 | __regPriMask = (priMask); |
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| 181 | } |
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| 182 | |||
| 183 | |||
| 184 | #if (__CORTEX_M >= 0x03U) || (__CORTEX_SC >= 300U) |
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| 185 | |||
| 186 | /** |
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| 187 | \brief Enable FIQ |
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| 188 | \details Enables FIQ interrupts by clearing the F-bit in the CPSR. |
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| 189 | Can only be executed in Privileged modes. |
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| 190 | */ |
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| 191 | #define __enable_fault_irq __enable_fiq |
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| 192 | |||
| 193 | |||
| 194 | /** |
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| 195 | \brief Disable FIQ |
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| 196 | \details Disables FIQ interrupts by setting the F-bit in the CPSR. |
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| 197 | Can only be executed in Privileged modes. |
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| 198 | */ |
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| 199 | #define __disable_fault_irq __disable_fiq |
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| 200 | |||
| 201 | |||
| 202 | /** |
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| 203 | \brief Get Base Priority |
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| 204 | \details Returns the current value of the Base Priority register. |
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| 205 | \return Base Priority register value |
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| 206 | */ |
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| 207 | __STATIC_INLINE uint32_t __get_BASEPRI(void) |
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| 208 | { |
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| 209 | register uint32_t __regBasePri __ASM("basepri"); |
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| 210 | return(__regBasePri); |
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| 211 | } |
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| 212 | |||
| 213 | |||
| 214 | /** |
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| 215 | \brief Set Base Priority |
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| 216 | \details Assigns the given value to the Base Priority register. |
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| 217 | \param [in] basePri Base Priority value to set |
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| 218 | */ |
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| 219 | __STATIC_INLINE void __set_BASEPRI(uint32_t basePri) |
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| 220 | { |
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| 221 | register uint32_t __regBasePri __ASM("basepri"); |
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| 222 | __regBasePri = (basePri & 0xFFU); |
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| 223 | } |
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| 224 | |||
| 225 | |||
| 226 | /** |
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| 227 | \brief Set Base Priority with condition |
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| 228 | \details Assigns the given value to the Base Priority register only if BASEPRI masking is disabled, |
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| 229 | or the new value increases the BASEPRI priority level. |
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| 230 | \param [in] basePri Base Priority value to set |
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| 231 | */ |
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| 232 | __STATIC_INLINE void __set_BASEPRI_MAX(uint32_t basePri) |
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| 233 | { |
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| 234 | register uint32_t __regBasePriMax __ASM("basepri_max"); |
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| 235 | __regBasePriMax = (basePri & 0xFFU); |
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| 236 | } |
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| 237 | |||
| 238 | |||
| 239 | /** |
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| 240 | \brief Get Fault Mask |
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| 241 | \details Returns the current value of the Fault Mask register. |
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| 242 | \return Fault Mask register value |
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| 243 | */ |
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| 244 | __STATIC_INLINE uint32_t __get_FAULTMASK(void) |
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| 245 | { |
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| 246 | register uint32_t __regFaultMask __ASM("faultmask"); |
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| 247 | return(__regFaultMask); |
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| 248 | } |
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| 249 | |||
| 250 | |||
| 251 | /** |
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| 252 | \brief Set Fault Mask |
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| 253 | \details Assigns the given value to the Fault Mask register. |
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| 254 | \param [in] faultMask Fault Mask value to set |
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| 255 | */ |
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| 256 | __STATIC_INLINE void __set_FAULTMASK(uint32_t faultMask) |
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| 257 | { |
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| 258 | register uint32_t __regFaultMask __ASM("faultmask"); |
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| 259 | __regFaultMask = (faultMask & (uint32_t)1); |
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| 260 | } |
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| 261 | |||
| 262 | #endif /* (__CORTEX_M >= 0x03U) || (__CORTEX_SC >= 300U) */ |
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| 263 | |||
| 264 | |||
| 265 | #if (__CORTEX_M == 0x04U) || (__CORTEX_M == 0x07U) |
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| 266 | |||
| 267 | /** |
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| 268 | \brief Get FPSCR |
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| 269 | \details Returns the current value of the Floating Point Status/Control register. |
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| 270 | \return Floating Point Status/Control register value |
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| 271 | */ |
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| 272 | __STATIC_INLINE uint32_t __get_FPSCR(void) |
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| 273 | { |
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| 274 | #if (__FPU_PRESENT == 1U) && (__FPU_USED == 1U) |
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| 275 | register uint32_t __regfpscr __ASM("fpscr"); |
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| 276 | return(__regfpscr); |
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| 277 | #else |
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| 278 | return(0U); |
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| 279 | #endif |
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| 280 | } |
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| 281 | |||
| 282 | |||
| 283 | /** |
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| 284 | \brief Set FPSCR |
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| 285 | \details Assigns the given value to the Floating Point Status/Control register. |
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| 286 | \param [in] fpscr Floating Point Status/Control value to set |
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| 287 | */ |
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| 288 | __STATIC_INLINE void __set_FPSCR(uint32_t fpscr) |
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| 289 | { |
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| 290 | #if (__FPU_PRESENT == 1U) && (__FPU_USED == 1U) |
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| 291 | register uint32_t __regfpscr __ASM("fpscr"); |
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| 292 | __regfpscr = (fpscr); |
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| 293 | #endif |
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| 294 | } |
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| 295 | |||
| 296 | #endif /* (__CORTEX_M == 0x04U) || (__CORTEX_M == 0x07U) */ |
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| 297 | |||
| 298 | |||
| 299 | |||
| 300 | /*@} end of CMSIS_Core_RegAccFunctions */ |
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| 301 | |||
| 302 | |||
| 303 | /* ########################## Core Instruction Access ######################### */ |
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| 304 | /** \defgroup CMSIS_Core_InstructionInterface CMSIS Core Instruction Interface |
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| 305 | Access to dedicated instructions |
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| 306 | @{ |
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| 307 | */ |
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| 308 | |||
| 309 | /** |
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| 310 | \brief No Operation |
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| 311 | \details No Operation does nothing. This instruction can be used for code alignment purposes. |
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| 312 | */ |
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| 313 | #define __NOP __nop |
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| 314 | |||
| 315 | |||
| 316 | /** |
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| 317 | \brief Wait For Interrupt |
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| 318 | \details Wait For Interrupt is a hint instruction that suspends execution until one of a number of events occurs. |
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| 319 | */ |
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| 320 | #define __WFI __wfi |
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| 321 | |||
| 322 | |||
| 323 | /** |
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| 324 | \brief Wait For Event |
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| 325 | \details Wait For Event is a hint instruction that permits the processor to enter |
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| 326 | a low-power state until one of a number of events occurs. |
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| 327 | */ |
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| 328 | #define __WFE __wfe |
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| 329 | |||
| 330 | |||
| 331 | /** |
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| 332 | \brief Send Event |
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| 333 | \details Send Event is a hint instruction. It causes an event to be signaled to the CPU. |
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| 334 | */ |
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| 335 | #define __SEV __sev |
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| 336 | |||
| 337 | |||
| 338 | /** |
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| 339 | \brief Instruction Synchronization Barrier |
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| 340 | \details Instruction Synchronization Barrier flushes the pipeline in the processor, |
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| 341 | so that all instructions following the ISB are fetched from cache or memory, |
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| 342 | after the instruction has been completed. |
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| 343 | */ |
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| 344 | #define __ISB() do {\ |
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| 345 | __schedule_barrier();\ |
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| 346 | __isb(0xF);\ |
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| 347 | __schedule_barrier();\ |
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| 348 | } while (0U) |
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| 349 | |||
| 350 | /** |
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| 351 | \brief Data Synchronization Barrier |
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| 352 | \details Acts as a special kind of Data Memory Barrier. |
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| 353 | It completes when all explicit memory accesses before this instruction complete. |
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| 354 | */ |
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| 355 | #define __DSB() do {\ |
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| 356 | __schedule_barrier();\ |
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| 357 | __dsb(0xF);\ |
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| 358 | __schedule_barrier();\ |
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| 359 | } while (0U) |
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| 360 | |||
| 361 | /** |
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| 362 | \brief Data Memory Barrier |
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| 363 | \details Ensures the apparent order of the explicit memory operations before |
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| 364 | and after the instruction, without ensuring their completion. |
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| 365 | */ |
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| 366 | #define __DMB() do {\ |
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| 367 | __schedule_barrier();\ |
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| 368 | __dmb(0xF);\ |
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| 369 | __schedule_barrier();\ |
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| 370 | } while (0U) |
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| 371 | |||
| 372 | /** |
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| 373 | \brief Reverse byte order (32 bit) |
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| 374 | \details Reverses the byte order in integer value. |
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| 375 | \param [in] value Value to reverse |
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| 376 | \return Reversed value |
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| 377 | */ |
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| 378 | #define __REV __rev |
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| 379 | |||
| 380 | |||
| 381 | /** |
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| 382 | \brief Reverse byte order (16 bit) |
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| 383 | \details Reverses the byte order in two unsigned short values. |
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| 384 | \param [in] value Value to reverse |
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| 385 | \return Reversed value |
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| 386 | */ |
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| 387 | #ifndef __NO_EMBEDDED_ASM |
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| 388 | __attribute__((section(".rev16_text"))) __STATIC_INLINE __ASM uint32_t __REV16(uint32_t value) |
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| 389 | { |
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| 390 | rev16 r0, r0 |
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| 391 | bx lr |
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| 392 | } |
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| 393 | #endif |
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| 394 | |||
| 395 | /** |
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| 396 | \brief Reverse byte order in signed short value |
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| 397 | \details Reverses the byte order in a signed short value with sign extension to integer. |
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| 398 | \param [in] value Value to reverse |
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| 399 | \return Reversed value |
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| 400 | */ |
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| 401 | #ifndef __NO_EMBEDDED_ASM |
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| 402 | __attribute__((section(".revsh_text"))) __STATIC_INLINE __ASM int32_t __REVSH(int32_t value) |
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| 403 | { |
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| 404 | revsh r0, r0 |
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| 405 | bx lr |
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| 406 | } |
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| 407 | #endif |
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| 408 | |||
| 409 | |||
| 410 | /** |
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| 411 | \brief Rotate Right in unsigned value (32 bit) |
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| 412 | \details Rotate Right (immediate) provides the value of the contents of a register rotated by a variable number of bits. |
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| 413 | \param [in] value Value to rotate |
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| 414 | \param [in] value Number of Bits to rotate |
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| 415 | \return Rotated value |
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| 416 | */ |
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| 417 | #define __ROR __ror |
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| 418 | |||
| 419 | |||
| 420 | /** |
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| 421 | \brief Breakpoint |
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| 422 | \details Causes the processor to enter Debug state. |
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| 423 | Debug tools can use this to investigate system state when the instruction at a particular address is reached. |
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| 424 | \param [in] value is ignored by the processor. |
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| 425 | If required, a debugger can use it to store additional information about the breakpoint. |
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| 426 | */ |
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| 427 | #define __BKPT(value) __breakpoint(value) |
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| 428 | |||
| 429 | |||
| 430 | /** |
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| 431 | \brief Reverse bit order of value |
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| 432 | \details Reverses the bit order of the given value. |
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| 433 | \param [in] value Value to reverse |
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| 434 | \return Reversed value |
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| 435 | */ |
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| 436 | #if (__CORTEX_M >= 0x03U) || (__CORTEX_SC >= 300U) |
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| 437 | #define __RBIT __rbit |
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| 438 | #else |
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| 439 | __attribute__((always_inline)) __STATIC_INLINE uint32_t __RBIT(uint32_t value) |
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| 440 | { |
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| 441 | uint32_t result; |
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| 442 | int32_t s = 4 /*sizeof(v)*/ * 8 - 1; /* extra shift needed at end */ |
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| 443 | |||
| 444 | result = value; /* r will be reversed bits of v; first get LSB of v */ |
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| 445 | for (value >>= 1U; value; value >>= 1U) |
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| 446 | { |
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| 447 | result <<= 1U; |
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| 448 | result |= value & 1U; |
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| 449 | s--; |
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| 450 | } |
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| 451 | result <<= s; /* shift when v's highest bits are zero */ |
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| 452 | return(result); |
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| 453 | } |
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| 454 | #endif |
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| 455 | |||
| 456 | |||
| 457 | /** |
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| 458 | \brief Count leading zeros |
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| 459 | \details Counts the number of leading zeros of a data value. |
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| 460 | \param [in] value Value to count the leading zeros |
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| 461 | \return number of leading zeros in value |
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| 462 | */ |
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| 463 | #define __CLZ __clz |
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| 464 | |||
| 465 | |||
| 466 | #if (__CORTEX_M >= 0x03U) || (__CORTEX_SC >= 300U) |
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| 467 | |||
| 468 | /** |
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| 469 | \brief LDR Exclusive (8 bit) |
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| 470 | \details Executes a exclusive LDR instruction for 8 bit value. |
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| 471 | \param [in] ptr Pointer to data |
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| 472 | \return value of type uint8_t at (*ptr) |
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| 473 | */ |
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| 474 | #if defined(__ARMCC_VERSION) && (__ARMCC_VERSION < 5060020) |
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| 475 | #define __LDREXB(ptr) ((uint8_t ) __ldrex(ptr)) |
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| 476 | #else |
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| 477 | #define __LDREXB(ptr) _Pragma("push") _Pragma("diag_suppress 3731") ((uint8_t ) __ldrex(ptr)) _Pragma("pop") |
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| 478 | #endif |
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| 479 | |||
| 480 | |||
| 481 | /** |
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| 482 | \brief LDR Exclusive (16 bit) |
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| 483 | \details Executes a exclusive LDR instruction for 16 bit values. |
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| 484 | \param [in] ptr Pointer to data |
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| 485 | \return value of type uint16_t at (*ptr) |
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| 486 | */ |
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| 487 | #if defined(__ARMCC_VERSION) && (__ARMCC_VERSION < 5060020) |
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| 488 | #define __LDREXH(ptr) ((uint16_t) __ldrex(ptr)) |
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| 489 | #else |
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| 490 | #define __LDREXH(ptr) _Pragma("push") _Pragma("diag_suppress 3731") ((uint16_t) __ldrex(ptr)) _Pragma("pop") |
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| 491 | #endif |
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| 492 | |||
| 493 | |||
| 494 | /** |
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| 495 | \brief LDR Exclusive (32 bit) |
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| 496 | \details Executes a exclusive LDR instruction for 32 bit values. |
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| 497 | \param [in] ptr Pointer to data |
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| 498 | \return value of type uint32_t at (*ptr) |
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| 499 | */ |
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| 500 | #if defined(__ARMCC_VERSION) && (__ARMCC_VERSION < 5060020) |
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| 501 | #define __LDREXW(ptr) ((uint32_t ) __ldrex(ptr)) |
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| 502 | #else |
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| 503 | #define __LDREXW(ptr) _Pragma("push") _Pragma("diag_suppress 3731") ((uint32_t ) __ldrex(ptr)) _Pragma("pop") |
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| 504 | #endif |
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| 505 | |||
| 506 | |||
| 507 | /** |
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| 508 | \brief STR Exclusive (8 bit) |
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| 509 | \details Executes a exclusive STR instruction for 8 bit values. |
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| 510 | \param [in] value Value to store |
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| 511 | \param [in] ptr Pointer to location |
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| 512 | \return 0 Function succeeded |
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| 513 | \return 1 Function failed |
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| 514 | */ |
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| 515 | #if defined(__ARMCC_VERSION) && (__ARMCC_VERSION < 5060020) |
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| 516 | #define __STREXB(value, ptr) __strex(value, ptr) |
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| 517 | #else |
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| 518 | #define __STREXB(value, ptr) _Pragma("push") _Pragma("diag_suppress 3731") __strex(value, ptr) _Pragma("pop") |
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| 519 | #endif |
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| 520 | |||
| 521 | |||
| 522 | /** |
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| 523 | \brief STR Exclusive (16 bit) |
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| 524 | \details Executes a exclusive STR instruction for 16 bit values. |
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| 525 | \param [in] value Value to store |
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| 526 | \param [in] ptr Pointer to location |
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| 527 | \return 0 Function succeeded |
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| 528 | \return 1 Function failed |
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| 529 | */ |
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| 530 | #if defined(__ARMCC_VERSION) && (__ARMCC_VERSION < 5060020) |
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| 531 | #define __STREXH(value, ptr) __strex(value, ptr) |
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| 532 | #else |
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| 533 | #define __STREXH(value, ptr) _Pragma("push") _Pragma("diag_suppress 3731") __strex(value, ptr) _Pragma("pop") |
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| 534 | #endif |
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| 535 | |||
| 536 | |||
| 537 | /** |
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| 538 | \brief STR Exclusive (32 bit) |
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| 539 | \details Executes a exclusive STR instruction for 32 bit values. |
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| 540 | \param [in] value Value to store |
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| 541 | \param [in] ptr Pointer to location |
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| 542 | \return 0 Function succeeded |
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| 543 | \return 1 Function failed |
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| 544 | */ |
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| 545 | #if defined(__ARMCC_VERSION) && (__ARMCC_VERSION < 5060020) |
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| 546 | #define __STREXW(value, ptr) __strex(value, ptr) |
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| 547 | #else |
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| 548 | #define __STREXW(value, ptr) _Pragma("push") _Pragma("diag_suppress 3731") __strex(value, ptr) _Pragma("pop") |
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| 549 | #endif |
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| 550 | |||
| 551 | |||
| 552 | /** |
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| 553 | \brief Remove the exclusive lock |
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| 554 | \details Removes the exclusive lock which is created by LDREX. |
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| 555 | */ |
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| 556 | #define __CLREX __clrex |
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| 557 | |||
| 558 | |||
| 559 | /** |
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| 560 | \brief Signed Saturate |
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| 561 | \details Saturates a signed value. |
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| 562 | \param [in] value Value to be saturated |
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| 563 | \param [in] sat Bit position to saturate to (1..32) |
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| 564 | \return Saturated value |
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| 565 | */ |
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| 566 | #define __SSAT __ssat |
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| 567 | |||
| 568 | |||
| 569 | /** |
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| 570 | \brief Unsigned Saturate |
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| 571 | \details Saturates an unsigned value. |
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| 572 | \param [in] value Value to be saturated |
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| 573 | \param [in] sat Bit position to saturate to (0..31) |
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| 574 | \return Saturated value |
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| 575 | */ |
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| 576 | #define __USAT __usat |
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| 577 | |||
| 578 | |||
| 579 | /** |
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| 580 | \brief Rotate Right with Extend (32 bit) |
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| 581 | \details Moves each bit of a bitstring right by one bit. |
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| 582 | The carry input is shifted in at the left end of the bitstring. |
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| 583 | \param [in] value Value to rotate |
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| 584 | \return Rotated value |
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| 585 | */ |
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| 586 | #ifndef __NO_EMBEDDED_ASM |
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| 587 | __attribute__((section(".rrx_text"))) __STATIC_INLINE __ASM uint32_t __RRX(uint32_t value) |
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| 588 | { |
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| 589 | rrx r0, r0 |
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| 590 | bx lr |
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| 591 | } |
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| 592 | #endif |
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| 593 | |||
| 594 | |||
| 595 | /** |
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| 596 | \brief LDRT Unprivileged (8 bit) |
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| 597 | \details Executes a Unprivileged LDRT instruction for 8 bit value. |
||
| 598 | \param [in] ptr Pointer to data |
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| 599 | \return value of type uint8_t at (*ptr) |
||
| 600 | */ |
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| 601 | #define __LDRBT(ptr) ((uint8_t ) __ldrt(ptr)) |
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| 602 | |||
| 603 | |||
| 604 | /** |
||
| 605 | \brief LDRT Unprivileged (16 bit) |
||
| 606 | \details Executes a Unprivileged LDRT instruction for 16 bit values. |
||
| 607 | \param [in] ptr Pointer to data |
||
| 608 | \return value of type uint16_t at (*ptr) |
||
| 609 | */ |
||
| 610 | #define __LDRHT(ptr) ((uint16_t) __ldrt(ptr)) |
||
| 611 | |||
| 612 | |||
| 613 | /** |
||
| 614 | \brief LDRT Unprivileged (32 bit) |
||
| 615 | \details Executes a Unprivileged LDRT instruction for 32 bit values. |
||
| 616 | \param [in] ptr Pointer to data |
||
| 617 | \return value of type uint32_t at (*ptr) |
||
| 618 | */ |
||
| 619 | #define __LDRT(ptr) ((uint32_t ) __ldrt(ptr)) |
||
| 620 | |||
| 621 | |||
| 622 | /** |
||
| 623 | \brief STRT Unprivileged (8 bit) |
||
| 624 | \details Executes a Unprivileged STRT instruction for 8 bit values. |
||
| 625 | \param [in] value Value to store |
||
| 626 | \param [in] ptr Pointer to location |
||
| 627 | */ |
||
| 628 | #define __STRBT(value, ptr) __strt(value, ptr) |
||
| 629 | |||
| 630 | |||
| 631 | /** |
||
| 632 | \brief STRT Unprivileged (16 bit) |
||
| 633 | \details Executes a Unprivileged STRT instruction for 16 bit values. |
||
| 634 | \param [in] value Value to store |
||
| 635 | \param [in] ptr Pointer to location |
||
| 636 | */ |
||
| 637 | #define __STRHT(value, ptr) __strt(value, ptr) |
||
| 638 | |||
| 639 | |||
| 640 | /** |
||
| 641 | \brief STRT Unprivileged (32 bit) |
||
| 642 | \details Executes a Unprivileged STRT instruction for 32 bit values. |
||
| 643 | \param [in] value Value to store |
||
| 644 | \param [in] ptr Pointer to location |
||
| 645 | */ |
||
| 646 | #define __STRT(value, ptr) __strt(value, ptr) |
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| 647 | |||
| 648 | #endif /* (__CORTEX_M >= 0x03U) || (__CORTEX_SC >= 300U) */ |
||
| 649 | |||
| 650 | /*@}*/ /* end of group CMSIS_Core_InstructionInterface */ |
||
| 651 | |||
| 652 | |||
| 653 | /* ################### Compiler specific Intrinsics ########################### */ |
||
| 654 | /** \defgroup CMSIS_SIMD_intrinsics CMSIS SIMD Intrinsics |
||
| 655 | Access to dedicated SIMD instructions |
||
| 656 | @{ |
||
| 657 | */ |
||
| 658 | |||
| 659 | #if (__CORTEX_M >= 0x04U) /* only for Cortex-M4 and above */ |
||
| 660 | |||
| 661 | #define __SADD8 __sadd8 |
||
| 662 | #define __QADD8 __qadd8 |
||
| 663 | #define __SHADD8 __shadd8 |
||
| 664 | #define __UADD8 __uadd8 |
||
| 665 | #define __UQADD8 __uqadd8 |
||
| 666 | #define __UHADD8 __uhadd8 |
||
| 667 | #define __SSUB8 __ssub8 |
||
| 668 | #define __QSUB8 __qsub8 |
||
| 669 | #define __SHSUB8 __shsub8 |
||
| 670 | #define __USUB8 __usub8 |
||
| 671 | #define __UQSUB8 __uqsub8 |
||
| 672 | #define __UHSUB8 __uhsub8 |
||
| 673 | #define __SADD16 __sadd16 |
||
| 674 | #define __QADD16 __qadd16 |
||
| 675 | #define __SHADD16 __shadd16 |
||
| 676 | #define __UADD16 __uadd16 |
||
| 677 | #define __UQADD16 __uqadd16 |
||
| 678 | #define __UHADD16 __uhadd16 |
||
| 679 | #define __SSUB16 __ssub16 |
||
| 680 | #define __QSUB16 __qsub16 |
||
| 681 | #define __SHSUB16 __shsub16 |
||
| 682 | #define __USUB16 __usub16 |
||
| 683 | #define __UQSUB16 __uqsub16 |
||
| 684 | #define __UHSUB16 __uhsub16 |
||
| 685 | #define __SASX __sasx |
||
| 686 | #define __QASX __qasx |
||
| 687 | #define __SHASX __shasx |
||
| 688 | #define __UASX __uasx |
||
| 689 | #define __UQASX __uqasx |
||
| 690 | #define __UHASX __uhasx |
||
| 691 | #define __SSAX __ssax |
||
| 692 | #define __QSAX __qsax |
||
| 693 | #define __SHSAX __shsax |
||
| 694 | #define __USAX __usax |
||
| 695 | #define __UQSAX __uqsax |
||
| 696 | #define __UHSAX __uhsax |
||
| 697 | #define __USAD8 __usad8 |
||
| 698 | #define __USADA8 __usada8 |
||
| 699 | #define __SSAT16 __ssat16 |
||
| 700 | #define __USAT16 __usat16 |
||
| 701 | #define __UXTB16 __uxtb16 |
||
| 702 | #define __UXTAB16 __uxtab16 |
||
| 703 | #define __SXTB16 __sxtb16 |
||
| 704 | #define __SXTAB16 __sxtab16 |
||
| 705 | #define __SMUAD __smuad |
||
| 706 | #define __SMUADX __smuadx |
||
| 707 | #define __SMLAD __smlad |
||
| 708 | #define __SMLADX __smladx |
||
| 709 | #define __SMLALD __smlald |
||
| 710 | #define __SMLALDX __smlaldx |
||
| 711 | #define __SMUSD __smusd |
||
| 712 | #define __SMUSDX __smusdx |
||
| 713 | #define __SMLSD __smlsd |
||
| 714 | #define __SMLSDX __smlsdx |
||
| 715 | #define __SMLSLD __smlsld |
||
| 716 | #define __SMLSLDX __smlsldx |
||
| 717 | #define __SEL __sel |
||
| 718 | #define __QADD __qadd |
||
| 719 | #define __QSUB __qsub |
||
| 720 | |||
| 721 | #define __PKHBT(ARG1,ARG2,ARG3) ( ((((uint32_t)(ARG1)) ) & 0x0000FFFFUL) | \ |
||
| 722 | ((((uint32_t)(ARG2)) << (ARG3)) & 0xFFFF0000UL) ) |
||
| 723 | |||
| 724 | #define __PKHTB(ARG1,ARG2,ARG3) ( ((((uint32_t)(ARG1)) ) & 0xFFFF0000UL) | \ |
||
| 725 | ((((uint32_t)(ARG2)) >> (ARG3)) & 0x0000FFFFUL) ) |
||
| 726 | |||
| 727 | #define __SMMLA(ARG1,ARG2,ARG3) ( (int32_t)((((int64_t)(ARG1) * (ARG2)) + \ |
||
| 728 | ((int64_t)(ARG3) << 32U) ) >> 32U)) |
||
| 729 | |||
| 730 | #endif /* (__CORTEX_M >= 0x04) */ |
||
| 731 | /*@} end of group CMSIS_SIMD_intrinsics */ |
||
| 732 | |||
| 733 | |||
| 734 | #endif /* __CMSIS_ARMCC_H */ |