diff options
Diffstat (limited to 'Include/cmsis_armcc.h')
| -rw-r--r-- | Include/cmsis_armcc.h | 243 |
1 files changed, 187 insertions, 56 deletions
diff --git a/Include/cmsis_armcc.h b/Include/cmsis_armcc.h index 74c49c6..4d9d064 100644 --- a/Include/cmsis_armcc.h +++ b/Include/cmsis_armcc.h @@ -1,43 +1,104 @@ /**************************************************************************//** * @file cmsis_armcc.h - * @brief CMSIS Cortex-M Core Function/Instruction Header File - * @version V4.30 - * @date 20. October 2015 + * @brief CMSIS compiler ARMCC (Arm Compiler 5) header file + * @version V5.0.4 + * @date 10. January 2018 ******************************************************************************/ -/* Copyright (c) 2009 - 2015 ARM LIMITED - - All rights reserved. - Redistribution and use in source and binary forms, with or without - modification, are permitted provided that the following conditions are met: - - Redistributions of source code must retain the above copyright - notice, this list of conditions and the following disclaimer. - - Redistributions in binary form must reproduce the above copyright - notice, this list of conditions and the following disclaimer in the - documentation and/or other materials provided with the distribution. - - Neither the name of ARM nor the names of its contributors may be used - to endorse or promote products derived from this software without - specific prior written permission. - * - THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE - LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - POSSIBILITY OF SUCH DAMAGE. - ---------------------------------------------------------------------------*/ - +/* + * Copyright (c) 2009-2018 Arm Limited. All rights reserved. + * + * SPDX-License-Identifier: Apache-2.0 + * + * Licensed under the Apache License, Version 2.0 (the License); you may + * not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an AS IS BASIS, WITHOUT + * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ #ifndef __CMSIS_ARMCC_H #define __CMSIS_ARMCC_H #if defined(__ARMCC_VERSION) && (__ARMCC_VERSION < 400677) - #error "Please use ARM Compiler Toolchain V4.0.677 or later!" + #error "Please use Arm Compiler Toolchain V4.0.677 or later!" +#endif + +/* CMSIS compiler control architecture macros */ +#if ((defined (__TARGET_ARCH_6_M ) && (__TARGET_ARCH_6_M == 1)) || \ + (defined (__TARGET_ARCH_6S_M ) && (__TARGET_ARCH_6S_M == 1)) ) + #define __ARM_ARCH_6M__ 1 +#endif + +#if (defined (__TARGET_ARCH_7_M ) && (__TARGET_ARCH_7_M == 1)) + #define __ARM_ARCH_7M__ 1 +#endif + +#if (defined (__TARGET_ARCH_7E_M) && (__TARGET_ARCH_7E_M == 1)) + #define __ARM_ARCH_7EM__ 1 +#endif + + /* __ARM_ARCH_8M_BASE__ not applicable */ + /* __ARM_ARCH_8M_MAIN__ not applicable */ + + +/* CMSIS compiler specific defines */ +#ifndef __ASM + #define __ASM __asm +#endif +#ifndef __INLINE + #define __INLINE __inline +#endif +#ifndef __STATIC_INLINE + #define __STATIC_INLINE static __inline +#endif +#ifndef __STATIC_FORCEINLINE + #define __STATIC_FORCEINLINE static __forceinline +#endif +#ifndef __NO_RETURN + #define __NO_RETURN __declspec(noreturn) +#endif +#ifndef __USED + #define __USED __attribute__((used)) +#endif +#ifndef __WEAK + #define __WEAK __attribute__((weak)) +#endif +#ifndef __PACKED + #define __PACKED __attribute__((packed)) +#endif +#ifndef __PACKED_STRUCT + #define __PACKED_STRUCT __packed struct +#endif +#ifndef __PACKED_UNION + #define __PACKED_UNION __packed union +#endif +#ifndef __UNALIGNED_UINT32 /* deprecated */ + #define __UNALIGNED_UINT32(x) (*((__packed uint32_t *)(x))) +#endif +#ifndef __UNALIGNED_UINT16_WRITE + #define __UNALIGNED_UINT16_WRITE(addr, val) ((*((__packed uint16_t *)(addr))) = (val)) +#endif +#ifndef __UNALIGNED_UINT16_READ + #define __UNALIGNED_UINT16_READ(addr) (*((const __packed uint16_t *)(addr))) +#endif +#ifndef __UNALIGNED_UINT32_WRITE + #define __UNALIGNED_UINT32_WRITE(addr, val) ((*((__packed uint32_t *)(addr))) = (val)) +#endif +#ifndef __UNALIGNED_UINT32_READ + #define __UNALIGNED_UINT32_READ(addr) (*((const __packed uint32_t *)(addr))) +#endif +#ifndef __ALIGNED + #define __ALIGNED(x) __attribute__((aligned(x))) +#endif +#ifndef __RESTRICT + #define __RESTRICT __restrict #endif /* ########################### Core Function Access ########################### */ @@ -46,7 +107,19 @@ @{ */ +/** + \brief Enable IRQ Interrupts + \details Enables IRQ interrupts by clearing the I-bit in the CPSR. + Can only be executed in Privileged modes. + */ /* intrinsic void __enable_irq(); */ + + +/** + \brief Disable IRQ Interrupts + \details Disables IRQ interrupts by setting the I-bit in the CPSR. + Can only be executed in Privileged modes. + */ /* intrinsic void __disable_irq(); */ /** @@ -181,7 +254,8 @@ __STATIC_INLINE void __set_PRIMASK(uint32_t priMask) } -#if (__CORTEX_M >= 0x03U) || (__CORTEX_SC >= 300U) +#if ((defined (__ARM_ARCH_7M__ ) && (__ARM_ARCH_7M__ == 1)) || \ + (defined (__ARM_ARCH_7EM__) && (__ARM_ARCH_7EM__ == 1)) ) /** \brief Enable FIQ @@ -256,13 +330,12 @@ __STATIC_INLINE uint32_t __get_FAULTMASK(void) __STATIC_INLINE void __set_FAULTMASK(uint32_t faultMask) { register uint32_t __regFaultMask __ASM("faultmask"); - __regFaultMask = (faultMask & (uint32_t)1); + __regFaultMask = (faultMask & (uint32_t)1U); } -#endif /* (__CORTEX_M >= 0x03U) || (__CORTEX_SC >= 300U) */ - +#endif /* ((defined (__ARM_ARCH_7M__ ) && (__ARM_ARCH_7M__ == 1)) || \ + (defined (__ARM_ARCH_7EM__) && (__ARM_ARCH_7EM__ == 1)) ) */ -#if (__CORTEX_M == 0x04U) || (__CORTEX_M == 0x07U) /** \brief Get FPSCR @@ -271,7 +344,8 @@ __STATIC_INLINE void __set_FAULTMASK(uint32_t faultMask) */ __STATIC_INLINE uint32_t __get_FPSCR(void) { -#if (__FPU_PRESENT == 1U) && (__FPU_USED == 1U) +#if ((defined (__FPU_PRESENT) && (__FPU_PRESENT == 1U)) && \ + (defined (__FPU_USED ) && (__FPU_USED == 1U)) ) register uint32_t __regfpscr __ASM("fpscr"); return(__regfpscr); #else @@ -287,15 +361,15 @@ __STATIC_INLINE uint32_t __get_FPSCR(void) */ __STATIC_INLINE void __set_FPSCR(uint32_t fpscr) { -#if (__FPU_PRESENT == 1U) && (__FPU_USED == 1U) +#if ((defined (__FPU_PRESENT) && (__FPU_PRESENT == 1U)) && \ + (defined (__FPU_USED ) && (__FPU_USED == 1U)) ) register uint32_t __regfpscr __ASM("fpscr"); __regfpscr = (fpscr); +#else + (void)fpscr; #endif } -#endif /* (__CORTEX_M == 0x04U) || (__CORTEX_M == 0x07U) */ - - /*@} end of CMSIS_Core_RegAccFunctions */ @@ -369,9 +443,10 @@ __STATIC_INLINE void __set_FPSCR(uint32_t fpscr) __schedule_barrier();\ } while (0U) + /** \brief Reverse byte order (32 bit) - \details Reverses the byte order in integer value. + \details Reverses the byte order in unsigned integer value. For example, 0x12345678 becomes 0x78563412. \param [in] value Value to reverse \return Reversed value */ @@ -380,7 +455,7 @@ __STATIC_INLINE void __set_FPSCR(uint32_t fpscr) /** \brief Reverse byte order (16 bit) - \details Reverses the byte order in two unsigned short values. + \details Reverses the byte order within each halfword of a word. For example, 0x12345678 becomes 0x34127856. \param [in] value Value to reverse \return Reversed value */ @@ -392,14 +467,15 @@ __attribute__((section(".rev16_text"))) __STATIC_INLINE __ASM uint32_t __REV16(u } #endif + /** - \brief Reverse byte order in signed short value - \details Reverses the byte order in a signed short value with sign extension to integer. + \brief Reverse byte order (16 bit) + \details Reverses the byte order in a 16-bit value and returns the signed 16-bit result. For example, 0x0080 becomes 0x8000. \param [in] value Value to reverse \return Reversed value */ #ifndef __NO_EMBEDDED_ASM -__attribute__((section(".revsh_text"))) __STATIC_INLINE __ASM int32_t __REVSH(int32_t value) +__attribute__((section(".revsh_text"))) __STATIC_INLINE __ASM int16_t __REVSH(int16_t value) { revsh r0, r0 bx lr @@ -410,8 +486,8 @@ __attribute__((section(".revsh_text"))) __STATIC_INLINE __ASM int32_t __REVSH(in /** \brief Rotate Right in unsigned value (32 bit) \details Rotate Right (immediate) provides the value of the contents of a register rotated by a variable number of bits. - \param [in] value Value to rotate - \param [in] value Number of Bits to rotate + \param [in] op1 Value to rotate + \param [in] op2 Number of Bits to rotate \return Rotated value */ #define __ROR __ror @@ -433,23 +509,24 @@ __attribute__((section(".revsh_text"))) __STATIC_INLINE __ASM int32_t __REVSH(in \param [in] value Value to reverse \return Reversed value */ -#if (__CORTEX_M >= 0x03U) || (__CORTEX_SC >= 300U) +#if ((defined (__ARM_ARCH_7M__ ) && (__ARM_ARCH_7M__ == 1)) || \ + (defined (__ARM_ARCH_7EM__) && (__ARM_ARCH_7EM__ == 1)) ) #define __RBIT __rbit #else __attribute__((always_inline)) __STATIC_INLINE uint32_t __RBIT(uint32_t value) { uint32_t result; - int32_t s = 4 /*sizeof(v)*/ * 8 - 1; /* extra shift needed at end */ + uint32_t s = (4U /*sizeof(v)*/ * 8U) - 1U; /* extra shift needed at end */ result = value; /* r will be reversed bits of v; first get LSB of v */ - for (value >>= 1U; value; value >>= 1U) + for (value >>= 1U; value != 0U; value >>= 1U) { result <<= 1U; result |= value & 1U; s--; } result <<= s; /* shift when v's highest bits are zero */ - return(result); + return result; } #endif @@ -463,7 +540,8 @@ __attribute__((always_inline)) __STATIC_INLINE uint32_t __RBIT(uint32_t value) #define __CLZ __clz -#if (__CORTEX_M >= 0x03U) || (__CORTEX_SC >= 300U) +#if ((defined (__ARM_ARCH_7M__ ) && (__ARM_ARCH_7M__ == 1)) || \ + (defined (__ARM_ARCH_7EM__) && (__ARM_ARCH_7EM__ == 1)) ) /** \brief LDR Exclusive (8 bit) @@ -645,7 +723,60 @@ __attribute__((section(".rrx_text"))) __STATIC_INLINE __ASM uint32_t __RRX(uint3 */ #define __STRT(value, ptr) __strt(value, ptr) -#endif /* (__CORTEX_M >= 0x03U) || (__CORTEX_SC >= 300U) */ +#else /* ((defined (__ARM_ARCH_7M__ ) && (__ARM_ARCH_7M__ == 1)) || \ + (defined (__ARM_ARCH_7EM__) && (__ARM_ARCH_7EM__ == 1)) ) */ + +/** + \brief Signed Saturate + \details Saturates a signed value. + \param [in] value Value to be saturated + \param [in] sat Bit position to saturate to (1..32) + \return Saturated value + */ +__attribute__((always_inline)) __STATIC_INLINE int32_t __SSAT(int32_t val, uint32_t sat) +{ + if ((sat >= 1U) && (sat <= 32U)) + { + const int32_t max = (int32_t)((1U << (sat - 1U)) - 1U); + const int32_t min = -1 - max ; + if (val > max) + { + return max; + } + else if (val < min) + { + return min; + } + } + return val; +} + +/** + \brief Unsigned Saturate + \details Saturates an unsigned value. + \param [in] value Value to be saturated + \param [in] sat Bit position to saturate to (0..31) + \return Saturated value + */ +__attribute__((always_inline)) __STATIC_INLINE uint32_t __USAT(int32_t val, uint32_t sat) +{ + if (sat <= 31U) + { + const uint32_t max = ((1U << sat) - 1U); + if (val > (int32_t)max) + { + return max; + } + else if (val < 0) + { + return 0U; + } + } + return (uint32_t)val; +} + +#endif /* ((defined (__ARM_ARCH_7M__ ) && (__ARM_ARCH_7M__ == 1)) || \ + (defined (__ARM_ARCH_7EM__) && (__ARM_ARCH_7EM__ == 1)) ) */ /*@}*/ /* end of group CMSIS_Core_InstructionInterface */ @@ -656,7 +787,7 @@ __attribute__((section(".rrx_text"))) __STATIC_INLINE __ASM uint32_t __RRX(uint3 @{ */ -#if (__CORTEX_M >= 0x04U) /* only for Cortex-M4 and above */ +#if ((defined (__ARM_ARCH_7EM__) && (__ARM_ARCH_7EM__ == 1)) ) #define __SADD8 __sadd8 #define __QADD8 __qadd8 @@ -727,7 +858,7 @@ __attribute__((section(".rrx_text"))) __STATIC_INLINE __ASM uint32_t __RRX(uint3 #define __SMMLA(ARG1,ARG2,ARG3) ( (int32_t)((((int64_t)(ARG1) * (ARG2)) + \ ((int64_t)(ARG3) << 32U) ) >> 32U)) -#endif /* (__CORTEX_M >= 0x04) */ +#endif /* ((defined (__ARM_ARCH_7EM__) && (__ARM_ARCH_7EM__ == 1)) ) */ /*@} end of group CMSIS_SIMD_intrinsics */ |