1445 lines
45 KiB
C
1445 lines
45 KiB
C
/**************************************************************************//**
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* @file cmsis_armclang.h
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* @brief CMSIS compiler armclang (Arm Compiler 6) header file
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* @version V5.2.0
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* @date 08. May 2019
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******************************************************************************/
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/*
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* Copyright (c) 2009-2019 Arm Limited. All rights reserved.
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Licensed under the Apache License, Version 2.0 (the License); you may
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* not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an AS IS BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/*lint -esym(9058, IRQn)*/ /* disable MISRA 2012 Rule 2.4 for IRQn */
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#ifndef __CMSIS_ARMCLANG_H
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#define __CMSIS_ARMCLANG_H
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#pragma clang system_header /* treat file as system include file */
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#ifndef __ARM_COMPAT_H
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#include <arm_compat.h> /* Compatibility header for Arm Compiler 5 intrinsics */
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#endif
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/* CMSIS compiler specific defines */
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#ifndef __ASM
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#define __ASM __asm
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#endif
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#ifndef __INLINE
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#define __INLINE __inline
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#endif
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#ifndef __STATIC_INLINE
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#define __STATIC_INLINE static __inline
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#endif
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#ifndef __STATIC_FORCEINLINE
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#define __STATIC_FORCEINLINE __attribute__((always_inline)) static __inline
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#endif
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#ifndef __NO_RETURN
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#define __NO_RETURN __attribute__((__noreturn__))
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#endif
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#ifndef __USED
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#define __USED __attribute__((used))
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#endif
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#ifndef __WEAK
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#define __WEAK __attribute__((weak))
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#endif
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#ifndef __PACKED
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#define __PACKED __attribute__((packed, aligned(1)))
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#endif
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#ifndef __PACKED_STRUCT
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#define __PACKED_STRUCT struct __attribute__((packed, aligned(1)))
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#endif
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#ifndef __PACKED_UNION
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#define __PACKED_UNION union __attribute__((packed, aligned(1)))
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#endif
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#ifndef __UNALIGNED_UINT32 /* deprecated */
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#pragma clang diagnostic push
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#pragma clang diagnostic ignored "-Wpacked"
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/*lint -esym(9058, T_UINT32)*/ /* disable MISRA 2012 Rule 2.4 for T_UINT32 */
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struct __attribute__((packed)) T_UINT32 { uint32_t v; };
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#pragma clang diagnostic pop
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#define __UNALIGNED_UINT32(x) (((struct T_UINT32 *)(x))->v)
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#endif
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#ifndef __UNALIGNED_UINT16_WRITE
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#pragma clang diagnostic push
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#pragma clang diagnostic ignored "-Wpacked"
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/*lint -esym(9058, T_UINT16_WRITE)*/ /* disable MISRA 2012 Rule 2.4 for T_UINT16_WRITE */
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__PACKED_STRUCT T_UINT16_WRITE { uint16_t v; };
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#pragma clang diagnostic pop
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#define __UNALIGNED_UINT16_WRITE(addr, val) (void)((((struct T_UINT16_WRITE *)(void *)(addr))->v) = (val))
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#endif
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#ifndef __UNALIGNED_UINT16_READ
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#pragma clang diagnostic push
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#pragma clang diagnostic ignored "-Wpacked"
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/*lint -esym(9058, T_UINT16_READ)*/ /* disable MISRA 2012 Rule 2.4 for T_UINT16_READ */
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__PACKED_STRUCT T_UINT16_READ { uint16_t v; };
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#pragma clang diagnostic pop
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#define __UNALIGNED_UINT16_READ(addr) (((const struct T_UINT16_READ *)(const void *)(addr))->v)
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#endif
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#ifndef __UNALIGNED_UINT32_WRITE
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#pragma clang diagnostic push
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#pragma clang diagnostic ignored "-Wpacked"
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/*lint -esym(9058, T_UINT32_WRITE)*/ /* disable MISRA 2012 Rule 2.4 for T_UINT32_WRITE */
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__PACKED_STRUCT T_UINT32_WRITE { uint32_t v; };
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#pragma clang diagnostic pop
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#define __UNALIGNED_UINT32_WRITE(addr, val) (void)((((struct T_UINT32_WRITE *)(void *)(addr))->v) = (val))
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#endif
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#ifndef __UNALIGNED_UINT32_READ
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#pragma clang diagnostic push
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#pragma clang diagnostic ignored "-Wpacked"
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/*lint -esym(9058, T_UINT32_READ)*/ /* disable MISRA 2012 Rule 2.4 for T_UINT32_READ */
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__PACKED_STRUCT T_UINT32_READ { uint32_t v; };
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#pragma clang diagnostic pop
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#define __UNALIGNED_UINT32_READ(addr) (((const struct T_UINT32_READ *)(const void *)(addr))->v)
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#endif
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#ifndef __ALIGNED
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#define __ALIGNED(x) __attribute__((aligned(x)))
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#endif
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#ifndef __RESTRICT
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#define __RESTRICT __restrict
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#endif
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#ifndef __COMPILER_BARRIER
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#define __COMPILER_BARRIER() __ASM volatile("":::"memory")
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#endif
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/* ######################### Startup and Lowlevel Init ######################## */
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#ifndef __PROGRAM_START
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#define __PROGRAM_START __main
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#endif
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#ifndef __INITIAL_SP
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#define __INITIAL_SP Image$$ARM_LIB_STACK$$ZI$$Limit
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#endif
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#ifndef __STACK_LIMIT
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#define __STACK_LIMIT Image$$ARM_LIB_STACK$$ZI$$Base
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#endif
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#ifndef __VECTOR_TABLE
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#define __VECTOR_TABLE __Vectors
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#endif
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#ifndef __VECTOR_TABLE_ATTRIBUTE
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#define __VECTOR_TABLE_ATTRIBUTE __attribute((used, section("RESET")))
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#endif
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/* ########################### Core Function Access ########################### */
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/** \ingroup CMSIS_Core_FunctionInterface
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\defgroup CMSIS_Core_RegAccFunctions CMSIS Core Register Access Functions
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@{
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*/
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/**
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\brief Enable IRQ Interrupts
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\details Enables IRQ interrupts by clearing the I-bit in the CPSR.
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Can only be executed in Privileged modes.
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*/
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/* intrinsic void __enable_irq(); see arm_compat.h */
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/**
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\brief Disable IRQ Interrupts
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\details Disables IRQ interrupts by setting the I-bit in the CPSR.
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Can only be executed in Privileged modes.
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*/
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/* intrinsic void __disable_irq(); see arm_compat.h */
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/**
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\brief Get Control Register
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\details Returns the content of the Control Register.
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\return Control Register value
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*/
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__STATIC_FORCEINLINE uint32_t __get_CONTROL(void)
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{
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uint32_t result;
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__ASM volatile ("MRS %0, control" : "=r" (result) );
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return(result);
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}
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#if (defined (__ARM_FEATURE_CMSE ) && (__ARM_FEATURE_CMSE == 3))
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/**
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\brief Get Control Register (non-secure)
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\details Returns the content of the non-secure Control Register when in secure mode.
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\return non-secure Control Register value
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*/
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__STATIC_FORCEINLINE uint32_t __TZ_get_CONTROL_NS(void)
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{
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uint32_t result;
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__ASM volatile ("MRS %0, control_ns" : "=r" (result) );
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return(result);
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}
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#endif
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/**
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\brief Set Control Register
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\details Writes the given value to the Control Register.
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\param [in] control Control Register value to set
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*/
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__STATIC_FORCEINLINE void __set_CONTROL(uint32_t control)
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{
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__ASM volatile ("MSR control, %0" : : "r" (control) : "memory");
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}
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#if (defined (__ARM_FEATURE_CMSE ) && (__ARM_FEATURE_CMSE == 3))
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/**
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\brief Set Control Register (non-secure)
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\details Writes the given value to the non-secure Control Register when in secure state.
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\param [in] control Control Register value to set
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*/
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__STATIC_FORCEINLINE void __TZ_set_CONTROL_NS(uint32_t control)
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{
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__ASM volatile ("MSR control_ns, %0" : : "r" (control) : "memory");
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}
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#endif
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/**
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\brief Get IPSR Register
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\details Returns the content of the IPSR Register.
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\return IPSR Register value
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*/
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__STATIC_FORCEINLINE uint32_t __get_IPSR(void)
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{
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uint32_t result;
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__ASM volatile ("MRS %0, ipsr" : "=r" (result) );
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return(result);
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}
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/**
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\brief Get APSR Register
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\details Returns the content of the APSR Register.
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\return APSR Register value
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*/
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__STATIC_FORCEINLINE uint32_t __get_APSR(void)
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{
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uint32_t result;
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__ASM volatile ("MRS %0, apsr" : "=r" (result) );
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return(result);
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}
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/**
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\brief Get xPSR Register
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\details Returns the content of the xPSR Register.
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\return xPSR Register value
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*/
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__STATIC_FORCEINLINE uint32_t __get_xPSR(void)
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{
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uint32_t result;
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__ASM volatile ("MRS %0, xpsr" : "=r" (result) );
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return(result);
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}
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/**
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\brief Get Process Stack Pointer
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\details Returns the current value of the Process Stack Pointer (PSP).
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\return PSP Register value
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*/
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__STATIC_FORCEINLINE uint32_t __get_PSP(void)
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{
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uint32_t result;
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__ASM volatile ("MRS %0, psp" : "=r" (result) );
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return(result);
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}
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#if (defined (__ARM_FEATURE_CMSE ) && (__ARM_FEATURE_CMSE == 3))
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/**
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\brief Get Process Stack Pointer (non-secure)
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\details Returns the current value of the non-secure Process Stack Pointer (PSP) when in secure state.
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\return PSP Register value
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*/
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__STATIC_FORCEINLINE uint32_t __TZ_get_PSP_NS(void)
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{
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uint32_t result;
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__ASM volatile ("MRS %0, psp_ns" : "=r" (result) );
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return(result);
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}
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#endif
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/**
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\brief Set Process Stack Pointer
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\details Assigns the given value to the Process Stack Pointer (PSP).
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\param [in] topOfProcStack Process Stack Pointer value to set
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*/
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__STATIC_FORCEINLINE void __set_PSP(uint32_t topOfProcStack)
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{
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__ASM volatile ("MSR psp, %0" : : "r" (topOfProcStack) : );
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}
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#if (defined (__ARM_FEATURE_CMSE ) && (__ARM_FEATURE_CMSE == 3))
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/**
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\brief Set Process Stack Pointer (non-secure)
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\details Assigns the given value to the non-secure Process Stack Pointer (PSP) when in secure state.
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\param [in] topOfProcStack Process Stack Pointer value to set
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*/
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__STATIC_FORCEINLINE void __TZ_set_PSP_NS(uint32_t topOfProcStack)
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{
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__ASM volatile ("MSR psp_ns, %0" : : "r" (topOfProcStack) : );
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}
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#endif
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/**
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\brief Get Main Stack Pointer
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\details Returns the current value of the Main Stack Pointer (MSP).
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\return MSP Register value
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*/
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__STATIC_FORCEINLINE uint32_t __get_MSP(void)
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{
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uint32_t result;
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__ASM volatile ("MRS %0, msp" : "=r" (result) );
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return(result);
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}
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#if (defined (__ARM_FEATURE_CMSE ) && (__ARM_FEATURE_CMSE == 3))
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/**
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\brief Get Main Stack Pointer (non-secure)
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\details Returns the current value of the non-secure Main Stack Pointer (MSP) when in secure state.
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\return MSP Register value
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*/
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__STATIC_FORCEINLINE uint32_t __TZ_get_MSP_NS(void)
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{
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uint32_t result;
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__ASM volatile ("MRS %0, msp_ns" : "=r" (result) );
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return(result);
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}
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#endif
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/**
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\brief Set Main Stack Pointer
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\details Assigns the given value to the Main Stack Pointer (MSP).
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\param [in] topOfMainStack Main Stack Pointer value to set
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*/
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__STATIC_FORCEINLINE void __set_MSP(uint32_t topOfMainStack)
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{
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__ASM volatile ("MSR msp, %0" : : "r" (topOfMainStack) : );
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}
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#if (defined (__ARM_FEATURE_CMSE ) && (__ARM_FEATURE_CMSE == 3))
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/**
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\brief Set Main Stack Pointer (non-secure)
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\details Assigns the given value to the non-secure Main Stack Pointer (MSP) when in secure state.
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\param [in] topOfMainStack Main Stack Pointer value to set
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*/
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__STATIC_FORCEINLINE void __TZ_set_MSP_NS(uint32_t topOfMainStack)
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{
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__ASM volatile ("MSR msp_ns, %0" : : "r" (topOfMainStack) : );
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}
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#endif
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#if (defined (__ARM_FEATURE_CMSE ) && (__ARM_FEATURE_CMSE == 3))
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/**
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\brief Get Stack Pointer (non-secure)
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\details Returns the current value of the non-secure Stack Pointer (SP) when in secure state.
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\return SP Register value
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*/
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__STATIC_FORCEINLINE uint32_t __TZ_get_SP_NS(void)
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{
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uint32_t result;
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__ASM volatile ("MRS %0, sp_ns" : "=r" (result) );
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return(result);
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}
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/**
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\brief Set Stack Pointer (non-secure)
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\details Assigns the given value to the non-secure Stack Pointer (SP) when in secure state.
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\param [in] topOfStack Stack Pointer value to set
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*/
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__STATIC_FORCEINLINE void __TZ_set_SP_NS(uint32_t topOfStack)
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{
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__ASM volatile ("MSR sp_ns, %0" : : "r" (topOfStack) : );
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}
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#endif
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/**
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\brief Get Priority Mask
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\details Returns the current state of the priority mask bit from the Priority Mask Register.
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\return Priority Mask value
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*/
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__STATIC_FORCEINLINE uint32_t __get_PRIMASK(void)
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{
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uint32_t result;
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__ASM volatile ("MRS %0, primask" : "=r" (result) );
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return(result);
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}
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#if (defined (__ARM_FEATURE_CMSE ) && (__ARM_FEATURE_CMSE == 3))
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/**
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\brief Get Priority Mask (non-secure)
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\details Returns the current state of the non-secure priority mask bit from the Priority Mask Register when in secure state.
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\return Priority Mask value
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*/
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__STATIC_FORCEINLINE uint32_t __TZ_get_PRIMASK_NS(void)
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{
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uint32_t result;
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__ASM volatile ("MRS %0, primask_ns" : "=r" (result) );
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return(result);
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}
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#endif
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/**
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\brief Set Priority Mask
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\details Assigns the given value to the Priority Mask Register.
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\param [in] priMask Priority Mask
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*/
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__STATIC_FORCEINLINE void __set_PRIMASK(uint32_t priMask)
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{
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__ASM volatile ("MSR primask, %0" : : "r" (priMask) : "memory");
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}
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#if (defined (__ARM_FEATURE_CMSE ) && (__ARM_FEATURE_CMSE == 3))
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/**
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\brief Set Priority Mask (non-secure)
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\details Assigns the given value to the non-secure Priority Mask Register when in secure state.
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\param [in] priMask Priority Mask
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*/
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__STATIC_FORCEINLINE void __TZ_set_PRIMASK_NS(uint32_t priMask)
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{
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__ASM volatile ("MSR primask_ns, %0" : : "r" (priMask) : "memory");
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}
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#endif
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#if ((defined (__ARM_ARCH_7M__ ) && (__ARM_ARCH_7M__ == 1)) || \
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(defined (__ARM_ARCH_7EM__ ) && (__ARM_ARCH_7EM__ == 1)) || \
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(defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)) )
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/**
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\brief Enable FIQ
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\details Enables FIQ interrupts by clearing the F-bit in the CPSR.
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Can only be executed in Privileged modes.
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*/
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#define __enable_fault_irq __enable_fiq /* see arm_compat.h */
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/**
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\brief Disable FIQ
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\details Disables FIQ interrupts by setting the F-bit in the CPSR.
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Can only be executed in Privileged modes.
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*/
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#define __disable_fault_irq __disable_fiq /* see arm_compat.h */
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/**
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\brief Get Base Priority
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\details Returns the current value of the Base Priority register.
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\return Base Priority register value
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*/
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__STATIC_FORCEINLINE uint32_t __get_BASEPRI(void)
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{
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uint32_t result;
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__ASM volatile ("MRS %0, basepri" : "=r" (result) );
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return(result);
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}
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#if (defined (__ARM_FEATURE_CMSE ) && (__ARM_FEATURE_CMSE == 3))
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/**
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\brief Get Base Priority (non-secure)
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\details Returns the current value of the non-secure Base Priority register when in secure state.
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\return Base Priority register value
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*/
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__STATIC_FORCEINLINE uint32_t __TZ_get_BASEPRI_NS(void)
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{
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uint32_t result;
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__ASM volatile ("MRS %0, basepri_ns" : "=r" (result) );
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return(result);
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}
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#endif
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/**
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\brief Set Base Priority
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\details Assigns the given value to the Base Priority register.
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\param [in] basePri Base Priority value to set
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*/
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__STATIC_FORCEINLINE void __set_BASEPRI(uint32_t basePri)
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{
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__ASM volatile ("MSR basepri, %0" : : "r" (basePri) : "memory");
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}
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#if (defined (__ARM_FEATURE_CMSE ) && (__ARM_FEATURE_CMSE == 3))
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/**
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\brief Set Base Priority (non-secure)
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\details Assigns the given value to the non-secure Base Priority register when in secure state.
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\param [in] basePri Base Priority value to set
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*/
|
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__STATIC_FORCEINLINE void __TZ_set_BASEPRI_NS(uint32_t basePri)
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{
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__ASM volatile ("MSR basepri_ns, %0" : : "r" (basePri) : "memory");
|
|
}
|
|
#endif
|
|
|
|
|
|
/**
|
|
\brief Set Base Priority with condition
|
|
\details Assigns the given value to the Base Priority register only if BASEPRI masking is disabled,
|
|
or the new value increases the BASEPRI priority level.
|
|
\param [in] basePri Base Priority value to set
|
|
*/
|
|
__STATIC_FORCEINLINE void __set_BASEPRI_MAX(uint32_t basePri)
|
|
{
|
|
__ASM volatile ("MSR basepri_max, %0" : : "r" (basePri) : "memory");
|
|
}
|
|
|
|
|
|
/**
|
|
\brief Get Fault Mask
|
|
\details Returns the current value of the Fault Mask register.
|
|
\return Fault Mask register value
|
|
*/
|
|
__STATIC_FORCEINLINE uint32_t __get_FAULTMASK(void)
|
|
{
|
|
uint32_t result;
|
|
|
|
__ASM volatile ("MRS %0, faultmask" : "=r" (result) );
|
|
return(result);
|
|
}
|
|
|
|
|
|
#if (defined (__ARM_FEATURE_CMSE ) && (__ARM_FEATURE_CMSE == 3))
|
|
/**
|
|
\brief Get Fault Mask (non-secure)
|
|
\details Returns the current value of the non-secure Fault Mask register when in secure state.
|
|
\return Fault Mask register value
|
|
*/
|
|
__STATIC_FORCEINLINE uint32_t __TZ_get_FAULTMASK_NS(void)
|
|
{
|
|
uint32_t result;
|
|
|
|
__ASM volatile ("MRS %0, faultmask_ns" : "=r" (result) );
|
|
return(result);
|
|
}
|
|
#endif
|
|
|
|
|
|
/**
|
|
\brief Set Fault Mask
|
|
\details Assigns the given value to the Fault Mask register.
|
|
\param [in] faultMask Fault Mask value to set
|
|
*/
|
|
__STATIC_FORCEINLINE void __set_FAULTMASK(uint32_t faultMask)
|
|
{
|
|
__ASM volatile ("MSR faultmask, %0" : : "r" (faultMask) : "memory");
|
|
}
|
|
|
|
|
|
#if (defined (__ARM_FEATURE_CMSE ) && (__ARM_FEATURE_CMSE == 3))
|
|
/**
|
|
\brief Set Fault Mask (non-secure)
|
|
\details Assigns the given value to the non-secure Fault Mask register when in secure state.
|
|
\param [in] faultMask Fault Mask value to set
|
|
*/
|
|
__STATIC_FORCEINLINE void __TZ_set_FAULTMASK_NS(uint32_t faultMask)
|
|
{
|
|
__ASM volatile ("MSR faultmask_ns, %0" : : "r" (faultMask) : "memory");
|
|
}
|
|
#endif
|
|
|
|
#endif /* ((defined (__ARM_ARCH_7M__ ) && (__ARM_ARCH_7M__ == 1)) || \
|
|
(defined (__ARM_ARCH_7EM__ ) && (__ARM_ARCH_7EM__ == 1)) || \
|
|
(defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)) ) */
|
|
|
|
|
|
#if ((defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)) || \
|
|
(defined (__ARM_ARCH_8M_BASE__ ) && (__ARM_ARCH_8M_BASE__ == 1)) )
|
|
|
|
/**
|
|
\brief Get Process Stack Pointer Limit
|
|
Devices without ARMv8-M Main Extensions (i.e. Cortex-M23) lack the non-secure
|
|
Stack Pointer Limit register hence zero is returned always in non-secure
|
|
mode.
|
|
|
|
\details Returns the current value of the Process Stack Pointer Limit (PSPLIM).
|
|
\return PSPLIM Register value
|
|
*/
|
|
__STATIC_FORCEINLINE uint32_t __get_PSPLIM(void)
|
|
{
|
|
#if (!(defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)) && \
|
|
(!defined (__ARM_FEATURE_CMSE) || (__ARM_FEATURE_CMSE < 3)))
|
|
// without main extensions, the non-secure PSPLIM is RAZ/WI
|
|
return 0U;
|
|
#else
|
|
uint32_t result;
|
|
__ASM volatile ("MRS %0, psplim" : "=r" (result) );
|
|
return result;
|
|
#endif
|
|
}
|
|
|
|
#if (defined (__ARM_FEATURE_CMSE) && (__ARM_FEATURE_CMSE == 3))
|
|
/**
|
|
\brief Get Process Stack Pointer Limit (non-secure)
|
|
Devices without ARMv8-M Main Extensions (i.e. Cortex-M23) lack the non-secure
|
|
Stack Pointer Limit register hence zero is returned always in non-secure
|
|
mode.
|
|
|
|
\details Returns the current value of the non-secure Process Stack Pointer Limit (PSPLIM) when in secure state.
|
|
\return PSPLIM Register value
|
|
*/
|
|
__STATIC_FORCEINLINE uint32_t __TZ_get_PSPLIM_NS(void)
|
|
{
|
|
#if (!(defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)))
|
|
// without main extensions, the non-secure PSPLIM is RAZ/WI
|
|
return 0U;
|
|
#else
|
|
uint32_t result;
|
|
__ASM volatile ("MRS %0, psplim_ns" : "=r" (result) );
|
|
return result;
|
|
#endif
|
|
}
|
|
#endif
|
|
|
|
|
|
/**
|
|
\brief Set Process Stack Pointer Limit
|
|
Devices without ARMv8-M Main Extensions (i.e. Cortex-M23) lack the non-secure
|
|
Stack Pointer Limit register hence the write is silently ignored in non-secure
|
|
mode.
|
|
|
|
\details Assigns the given value to the Process Stack Pointer Limit (PSPLIM).
|
|
\param [in] ProcStackPtrLimit Process Stack Pointer Limit value to set
|
|
*/
|
|
__STATIC_FORCEINLINE void __set_PSPLIM(uint32_t ProcStackPtrLimit)
|
|
{
|
|
#if (!(defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)) && \
|
|
(!defined (__ARM_FEATURE_CMSE) || (__ARM_FEATURE_CMSE < 3)))
|
|
// without main extensions, the non-secure PSPLIM is RAZ/WI
|
|
(void)ProcStackPtrLimit;
|
|
#else
|
|
__ASM volatile ("MSR psplim, %0" : : "r" (ProcStackPtrLimit));
|
|
#endif
|
|
}
|
|
|
|
|
|
#if (defined (__ARM_FEATURE_CMSE ) && (__ARM_FEATURE_CMSE == 3))
|
|
/**
|
|
\brief Set Process Stack Pointer (non-secure)
|
|
Devices without ARMv8-M Main Extensions (i.e. Cortex-M23) lack the non-secure
|
|
Stack Pointer Limit register hence the write is silently ignored in non-secure
|
|
mode.
|
|
|
|
\details Assigns the given value to the non-secure Process Stack Pointer Limit (PSPLIM) when in secure state.
|
|
\param [in] ProcStackPtrLimit Process Stack Pointer Limit value to set
|
|
*/
|
|
__STATIC_FORCEINLINE void __TZ_set_PSPLIM_NS(uint32_t ProcStackPtrLimit)
|
|
{
|
|
#if (!(defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)))
|
|
// without main extensions, the non-secure PSPLIM is RAZ/WI
|
|
(void)ProcStackPtrLimit;
|
|
#else
|
|
__ASM volatile ("MSR psplim_ns, %0\n" : : "r" (ProcStackPtrLimit));
|
|
#endif
|
|
}
|
|
#endif
|
|
|
|
|
|
/**
|
|
\brief Get Main Stack Pointer Limit
|
|
Devices without ARMv8-M Main Extensions (i.e. Cortex-M23) lack the non-secure
|
|
Stack Pointer Limit register hence zero is returned always.
|
|
|
|
\details Returns the current value of the Main Stack Pointer Limit (MSPLIM).
|
|
\return MSPLIM Register value
|
|
*/
|
|
__STATIC_FORCEINLINE uint32_t __get_MSPLIM(void)
|
|
{
|
|
#if (!(defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)) && \
|
|
(!defined (__ARM_FEATURE_CMSE) || (__ARM_FEATURE_CMSE < 3)))
|
|
// without main extensions, the non-secure MSPLIM is RAZ/WI
|
|
return 0U;
|
|
#else
|
|
uint32_t result;
|
|
__ASM volatile ("MRS %0, msplim" : "=r" (result) );
|
|
return result;
|
|
#endif
|
|
}
|
|
|
|
|
|
#if (defined (__ARM_FEATURE_CMSE ) && (__ARM_FEATURE_CMSE == 3))
|
|
/**
|
|
\brief Get Main Stack Pointer Limit (non-secure)
|
|
Devices without ARMv8-M Main Extensions (i.e. Cortex-M23) lack the non-secure
|
|
Stack Pointer Limit register hence zero is returned always.
|
|
|
|
\details Returns the current value of the non-secure Main Stack Pointer Limit(MSPLIM) when in secure state.
|
|
\return MSPLIM Register value
|
|
*/
|
|
__STATIC_FORCEINLINE uint32_t __TZ_get_MSPLIM_NS(void)
|
|
{
|
|
#if (!(defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)))
|
|
// without main extensions, the non-secure MSPLIM is RAZ/WI
|
|
return 0U;
|
|
#else
|
|
uint32_t result;
|
|
__ASM volatile ("MRS %0, msplim_ns" : "=r" (result) );
|
|
return result;
|
|
#endif
|
|
}
|
|
#endif
|
|
|
|
|
|
/**
|
|
\brief Set Main Stack Pointer Limit
|
|
Devices without ARMv8-M Main Extensions (i.e. Cortex-M23) lack the non-secure
|
|
Stack Pointer Limit register hence the write is silently ignored.
|
|
|
|
\details Assigns the given value to the Main Stack Pointer Limit (MSPLIM).
|
|
\param [in] MainStackPtrLimit Main Stack Pointer Limit value to set
|
|
*/
|
|
__STATIC_FORCEINLINE void __set_MSPLIM(uint32_t MainStackPtrLimit)
|
|
{
|
|
#if (!(defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)) && \
|
|
(!defined (__ARM_FEATURE_CMSE) || (__ARM_FEATURE_CMSE < 3)))
|
|
// without main extensions, the non-secure MSPLIM is RAZ/WI
|
|
(void)MainStackPtrLimit;
|
|
#else
|
|
__ASM volatile ("MSR msplim, %0" : : "r" (MainStackPtrLimit));
|
|
#endif
|
|
}
|
|
|
|
|
|
#if (defined (__ARM_FEATURE_CMSE ) && (__ARM_FEATURE_CMSE == 3))
|
|
/**
|
|
\brief Set Main Stack Pointer Limit (non-secure)
|
|
Devices without ARMv8-M Main Extensions (i.e. Cortex-M23) lack the non-secure
|
|
Stack Pointer Limit register hence the write is silently ignored.
|
|
|
|
\details Assigns the given value to the non-secure Main Stack Pointer Limit (MSPLIM) when in secure state.
|
|
\param [in] MainStackPtrLimit Main Stack Pointer value to set
|
|
*/
|
|
__STATIC_FORCEINLINE void __TZ_set_MSPLIM_NS(uint32_t MainStackPtrLimit)
|
|
{
|
|
#if (!(defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)))
|
|
// without main extensions, the non-secure MSPLIM is RAZ/WI
|
|
(void)MainStackPtrLimit;
|
|
#else
|
|
__ASM volatile ("MSR msplim_ns, %0" : : "r" (MainStackPtrLimit));
|
|
#endif
|
|
}
|
|
#endif
|
|
|
|
#endif /* ((defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)) || \
|
|
(defined (__ARM_ARCH_8M_BASE__ ) && (__ARM_ARCH_8M_BASE__ == 1)) ) */
|
|
|
|
/**
|
|
\brief Get FPSCR
|
|
\details Returns the current value of the Floating Point Status/Control register.
|
|
\return Floating Point Status/Control register value
|
|
*/
|
|
#if ((defined (__FPU_PRESENT) && (__FPU_PRESENT == 1U)) && \
|
|
(defined (__FPU_USED ) && (__FPU_USED == 1U)) )
|
|
#define __get_FPSCR (uint32_t)__builtin_arm_get_fpscr
|
|
#else
|
|
#define __get_FPSCR() ((uint32_t)0U)
|
|
#endif
|
|
|
|
/**
|
|
\brief Set FPSCR
|
|
\details Assigns the given value to the Floating Point Status/Control register.
|
|
\param [in] fpscr Floating Point Status/Control value to set
|
|
*/
|
|
#if ((defined (__FPU_PRESENT) && (__FPU_PRESENT == 1U)) && \
|
|
(defined (__FPU_USED ) && (__FPU_USED == 1U)) )
|
|
#define __set_FPSCR __builtin_arm_set_fpscr
|
|
#else
|
|
#define __set_FPSCR(x) ((void)(x))
|
|
#endif
|
|
|
|
|
|
/*@} end of CMSIS_Core_RegAccFunctions */
|
|
|
|
|
|
/* ########################## Core Instruction Access ######################### */
|
|
/** \defgroup CMSIS_Core_InstructionInterface CMSIS Core Instruction Interface
|
|
Access to dedicated instructions
|
|
@{
|
|
*/
|
|
|
|
/* Define macros for porting to both thumb1 and thumb2.
|
|
* For thumb1, use low register (r0-r7), specified by constraint "l"
|
|
* Otherwise, use general registers, specified by constraint "r" */
|
|
#if defined (__thumb__) && !defined (__thumb2__)
|
|
#define __CMSIS_GCC_OUT_REG(r) "=l" (r)
|
|
#define __CMSIS_GCC_RW_REG(r) "+l" (r)
|
|
#define __CMSIS_GCC_USE_REG(r) "l" (r)
|
|
#else
|
|
#define __CMSIS_GCC_OUT_REG(r) "=r" (r)
|
|
#define __CMSIS_GCC_RW_REG(r) "+r" (r)
|
|
#define __CMSIS_GCC_USE_REG(r) "r" (r)
|
|
#endif
|
|
|
|
/**
|
|
\brief No Operation
|
|
\details No Operation does nothing. This instruction can be used for code alignment purposes.
|
|
*/
|
|
#define __NOP __builtin_arm_nop
|
|
|
|
/**
|
|
\brief Wait For Interrupt
|
|
\details Wait For Interrupt is a hint instruction that suspends execution until one of a number of events occurs.
|
|
*/
|
|
#define __WFI __builtin_arm_wfi
|
|
|
|
|
|
/**
|
|
\brief Wait For Event
|
|
\details Wait For Event is a hint instruction that permits the processor to enter
|
|
a low-power state until one of a number of events occurs.
|
|
*/
|
|
#define __WFE __builtin_arm_wfe
|
|
|
|
|
|
/**
|
|
\brief Send Event
|
|
\details Send Event is a hint instruction. It causes an event to be signaled to the CPU.
|
|
*/
|
|
#define __SEV __builtin_arm_sev
|
|
|
|
|
|
/**
|
|
\brief Instruction Synchronization Barrier
|
|
\details Instruction Synchronization Barrier flushes the pipeline in the processor,
|
|
so that all instructions following the ISB are fetched from cache or memory,
|
|
after the instruction has been completed.
|
|
*/
|
|
#define __ISB() __builtin_arm_isb(0xF)
|
|
|
|
/**
|
|
\brief Data Synchronization Barrier
|
|
\details Acts as a special kind of Data Memory Barrier.
|
|
It completes when all explicit memory accesses before this instruction complete.
|
|
*/
|
|
#define __DSB() __builtin_arm_dsb(0xF)
|
|
|
|
|
|
/**
|
|
\brief Data Memory Barrier
|
|
\details Ensures the apparent order of the explicit memory operations before
|
|
and after the instruction, without ensuring their completion.
|
|
*/
|
|
#define __DMB() __builtin_arm_dmb(0xF)
|
|
|
|
|
|
/**
|
|
\brief Reverse byte order (32 bit)
|
|
\details Reverses the byte order in unsigned integer value. For example, 0x12345678 becomes 0x78563412.
|
|
\param [in] value Value to reverse
|
|
\return Reversed value
|
|
*/
|
|
#define __REV(value) __builtin_bswap32(value)
|
|
|
|
|
|
/**
|
|
\brief Reverse byte order (16 bit)
|
|
\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
|
|
*/
|
|
#define __REV16(value) __ROR(__REV(value), 16)
|
|
|
|
|
|
/**
|
|
\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
|
|
*/
|
|
#define __REVSH(value) (int16_t)__builtin_bswap16(value)
|
|
|
|
|
|
/**
|
|
\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] op1 Value to rotate
|
|
\param [in] op2 Number of Bits to rotate
|
|
\return Rotated value
|
|
*/
|
|
__STATIC_FORCEINLINE uint32_t __ROR(uint32_t op1, uint32_t op2)
|
|
{
|
|
op2 %= 32U;
|
|
if (op2 == 0U)
|
|
{
|
|
return op1;
|
|
}
|
|
return (op1 >> op2) | (op1 << (32U - op2));
|
|
}
|
|
|
|
|
|
/**
|
|
\brief Breakpoint
|
|
\details Causes the processor to enter Debug state.
|
|
Debug tools can use this to investigate system state when the instruction at a particular address is reached.
|
|
\param [in] value is ignored by the processor.
|
|
If required, a debugger can use it to store additional information about the breakpoint.
|
|
*/
|
|
#define __BKPT(value) __ASM volatile ("bkpt "#value)
|
|
|
|
|
|
/**
|
|
\brief Reverse bit order of value
|
|
\details Reverses the bit order of the given value.
|
|
\param [in] value Value to reverse
|
|
\return Reversed value
|
|
*/
|
|
#define __RBIT __builtin_arm_rbit
|
|
|
|
/**
|
|
\brief Count leading zeros
|
|
\details Counts the number of leading zeros of a data value.
|
|
\param [in] value Value to count the leading zeros
|
|
\return number of leading zeros in value
|
|
*/
|
|
__STATIC_FORCEINLINE uint8_t __CLZ(uint32_t value)
|
|
{
|
|
/* Even though __builtin_clz produces a CLZ instruction on ARM, formally
|
|
__builtin_clz(0) is undefined behaviour, so handle this case specially.
|
|
This guarantees ARM-compatible results if happening to compile on a non-ARM
|
|
target, and ensures the compiler doesn't decide to activate any
|
|
optimisations using the logic "value was passed to __builtin_clz, so it
|
|
is non-zero".
|
|
ARM Compiler 6.10 and possibly earlier will optimise this test away, leaving a
|
|
single CLZ instruction.
|
|
*/
|
|
if (value == 0U)
|
|
{
|
|
return 32U;
|
|
}
|
|
return __builtin_clz(value);
|
|
}
|
|
|
|
|
|
#if ((defined (__ARM_ARCH_7M__ ) && (__ARM_ARCH_7M__ == 1)) || \
|
|
(defined (__ARM_ARCH_7EM__ ) && (__ARM_ARCH_7EM__ == 1)) || \
|
|
(defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)) || \
|
|
(defined (__ARM_ARCH_8M_BASE__ ) && (__ARM_ARCH_8M_BASE__ == 1)) )
|
|
/**
|
|
\brief LDR Exclusive (8 bit)
|
|
\details Executes a exclusive LDR instruction for 8 bit value.
|
|
\param [in] ptr Pointer to data
|
|
\return value of type uint8_t at (*ptr)
|
|
*/
|
|
#define __LDREXB (uint8_t)__builtin_arm_ldrex
|
|
|
|
|
|
/**
|
|
\brief LDR Exclusive (16 bit)
|
|
\details Executes a exclusive LDR instruction for 16 bit values.
|
|
\param [in] ptr Pointer to data
|
|
\return value of type uint16_t at (*ptr)
|
|
*/
|
|
#define __LDREXH (uint16_t)__builtin_arm_ldrex
|
|
|
|
|
|
/**
|
|
\brief LDR Exclusive (32 bit)
|
|
\details Executes a exclusive LDR instruction for 32 bit values.
|
|
\param [in] ptr Pointer to data
|
|
\return value of type uint32_t at (*ptr)
|
|
*/
|
|
#define __LDREXW (uint32_t)__builtin_arm_ldrex
|
|
|
|
|
|
/**
|
|
\brief STR Exclusive (8 bit)
|
|
\details Executes a exclusive STR instruction for 8 bit values.
|
|
\param [in] value Value to store
|
|
\param [in] ptr Pointer to location
|
|
\return 0 Function succeeded
|
|
\return 1 Function failed
|
|
*/
|
|
#define __STREXB (uint32_t)__builtin_arm_strex
|
|
|
|
|
|
/**
|
|
\brief STR Exclusive (16 bit)
|
|
\details Executes a exclusive STR instruction for 16 bit values.
|
|
\param [in] value Value to store
|
|
\param [in] ptr Pointer to location
|
|
\return 0 Function succeeded
|
|
\return 1 Function failed
|
|
*/
|
|
#define __STREXH (uint32_t)__builtin_arm_strex
|
|
|
|
|
|
/**
|
|
\brief STR Exclusive (32 bit)
|
|
\details Executes a exclusive STR instruction for 32 bit values.
|
|
\param [in] value Value to store
|
|
\param [in] ptr Pointer to location
|
|
\return 0 Function succeeded
|
|
\return 1 Function failed
|
|
*/
|
|
#define __STREXW (uint32_t)__builtin_arm_strex
|
|
|
|
|
|
/**
|
|
\brief Remove the exclusive lock
|
|
\details Removes the exclusive lock which is created by LDREX.
|
|
*/
|
|
#define __CLREX __builtin_arm_clrex
|
|
|
|
#endif /* ((defined (__ARM_ARCH_7M__ ) && (__ARM_ARCH_7M__ == 1)) || \
|
|
(defined (__ARM_ARCH_7EM__ ) && (__ARM_ARCH_7EM__ == 1)) || \
|
|
(defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)) || \
|
|
(defined (__ARM_ARCH_8M_BASE__ ) && (__ARM_ARCH_8M_BASE__ == 1)) ) */
|
|
|
|
|
|
#if ((defined (__ARM_ARCH_7M__ ) && (__ARM_ARCH_7M__ == 1)) || \
|
|
(defined (__ARM_ARCH_7EM__ ) && (__ARM_ARCH_7EM__ == 1)) || \
|
|
(defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 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
|
|
*/
|
|
#define __SSAT __builtin_arm_ssat
|
|
|
|
|
|
/**
|
|
\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
|
|
*/
|
|
#define __USAT __builtin_arm_usat
|
|
|
|
|
|
/**
|
|
\brief Rotate Right with Extend (32 bit)
|
|
\details Moves each bit of a bitstring right by one bit.
|
|
The carry input is shifted in at the left end of the bitstring.
|
|
\param [in] value Value to rotate
|
|
\return Rotated value
|
|
*/
|
|
__STATIC_FORCEINLINE uint32_t __RRX(uint32_t value)
|
|
{
|
|
uint32_t result;
|
|
|
|
__ASM volatile ("rrx %0, %1" : __CMSIS_GCC_OUT_REG (result) : __CMSIS_GCC_USE_REG (value) );
|
|
return(result);
|
|
}
|
|
|
|
|
|
/**
|
|
\brief LDRT Unprivileged (8 bit)
|
|
\details Executes a Unprivileged LDRT instruction for 8 bit value.
|
|
\param [in] ptr Pointer to data
|
|
\return value of type uint8_t at (*ptr)
|
|
*/
|
|
__STATIC_FORCEINLINE uint8_t __LDRBT(volatile uint8_t *ptr)
|
|
{
|
|
uint32_t result;
|
|
|
|
__ASM volatile ("ldrbt %0, %1" : "=r" (result) : "Q" (*ptr) );
|
|
return ((uint8_t) result); /* Add explicit type cast here */
|
|
}
|
|
|
|
|
|
/**
|
|
\brief LDRT Unprivileged (16 bit)
|
|
\details Executes a Unprivileged LDRT instruction for 16 bit values.
|
|
\param [in] ptr Pointer to data
|
|
\return value of type uint16_t at (*ptr)
|
|
*/
|
|
__STATIC_FORCEINLINE uint16_t __LDRHT(volatile uint16_t *ptr)
|
|
{
|
|
uint32_t result;
|
|
|
|
__ASM volatile ("ldrht %0, %1" : "=r" (result) : "Q" (*ptr) );
|
|
return ((uint16_t) result); /* Add explicit type cast here */
|
|
}
|
|
|
|
|
|
/**
|
|
\brief LDRT Unprivileged (32 bit)
|
|
\details Executes a Unprivileged LDRT instruction for 32 bit values.
|
|
\param [in] ptr Pointer to data
|
|
\return value of type uint32_t at (*ptr)
|
|
*/
|
|
__STATIC_FORCEINLINE uint32_t __LDRT(volatile uint32_t *ptr)
|
|
{
|
|
uint32_t result;
|
|
|
|
__ASM volatile ("ldrt %0, %1" : "=r" (result) : "Q" (*ptr) );
|
|
return(result);
|
|
}
|
|
|
|
|
|
/**
|
|
\brief STRT Unprivileged (8 bit)
|
|
\details Executes a Unprivileged STRT instruction for 8 bit values.
|
|
\param [in] value Value to store
|
|
\param [in] ptr Pointer to location
|
|
*/
|
|
__STATIC_FORCEINLINE void __STRBT(uint8_t value, volatile uint8_t *ptr)
|
|
{
|
|
__ASM volatile ("strbt %1, %0" : "=Q" (*ptr) : "r" ((uint32_t)value) );
|
|
}
|
|
|
|
|
|
/**
|
|
\brief STRT Unprivileged (16 bit)
|
|
\details Executes a Unprivileged STRT instruction for 16 bit values.
|
|
\param [in] value Value to store
|
|
\param [in] ptr Pointer to location
|
|
*/
|
|
__STATIC_FORCEINLINE void __STRHT(uint16_t value, volatile uint16_t *ptr)
|
|
{
|
|
__ASM volatile ("strht %1, %0" : "=Q" (*ptr) : "r" ((uint32_t)value) );
|
|
}
|
|
|
|
|
|
/**
|
|
\brief STRT Unprivileged (32 bit)
|
|
\details Executes a Unprivileged STRT instruction for 32 bit values.
|
|
\param [in] value Value to store
|
|
\param [in] ptr Pointer to location
|
|
*/
|
|
__STATIC_FORCEINLINE void __STRT(uint32_t value, volatile uint32_t *ptr)
|
|
{
|
|
__ASM volatile ("strt %1, %0" : "=Q" (*ptr) : "r" (value) );
|
|
}
|
|
|
|
#else /* ((defined (__ARM_ARCH_7M__ ) && (__ARM_ARCH_7M__ == 1)) || \
|
|
(defined (__ARM_ARCH_7EM__ ) && (__ARM_ARCH_7EM__ == 1)) || \
|
|
(defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 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
|
|
*/
|
|
__STATIC_FORCEINLINE 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
|
|
*/
|
|
__STATIC_FORCEINLINE 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)) || \
|
|
(defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)) ) */
|
|
|
|
|
|
#if ((defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)) || \
|
|
(defined (__ARM_ARCH_8M_BASE__ ) && (__ARM_ARCH_8M_BASE__ == 1)) )
|
|
/**
|
|
\brief Load-Acquire (8 bit)
|
|
\details Executes a LDAB instruction for 8 bit value.
|
|
\param [in] ptr Pointer to data
|
|
\return value of type uint8_t at (*ptr)
|
|
*/
|
|
__STATIC_FORCEINLINE uint8_t __LDAB(volatile uint8_t *ptr)
|
|
{
|
|
uint32_t result;
|
|
|
|
__ASM volatile ("ldab %0, %1" : "=r" (result) : "Q" (*ptr) );
|
|
return ((uint8_t) result);
|
|
}
|
|
|
|
|
|
/**
|
|
\brief Load-Acquire (16 bit)
|
|
\details Executes a LDAH instruction for 16 bit values.
|
|
\param [in] ptr Pointer to data
|
|
\return value of type uint16_t at (*ptr)
|
|
*/
|
|
__STATIC_FORCEINLINE uint16_t __LDAH(volatile uint16_t *ptr)
|
|
{
|
|
uint32_t result;
|
|
|
|
__ASM volatile ("ldah %0, %1" : "=r" (result) : "Q" (*ptr) );
|
|
return ((uint16_t) result);
|
|
}
|
|
|
|
|
|
/**
|
|
\brief Load-Acquire (32 bit)
|
|
\details Executes a LDA instruction for 32 bit values.
|
|
\param [in] ptr Pointer to data
|
|
\return value of type uint32_t at (*ptr)
|
|
*/
|
|
__STATIC_FORCEINLINE uint32_t __LDA(volatile uint32_t *ptr)
|
|
{
|
|
uint32_t result;
|
|
|
|
__ASM volatile ("lda %0, %1" : "=r" (result) : "Q" (*ptr) );
|
|
return(result);
|
|
}
|
|
|
|
|
|
/**
|
|
\brief Store-Release (8 bit)
|
|
\details Executes a STLB instruction for 8 bit values.
|
|
\param [in] value Value to store
|
|
\param [in] ptr Pointer to location
|
|
*/
|
|
__STATIC_FORCEINLINE void __STLB(uint8_t value, volatile uint8_t *ptr)
|
|
{
|
|
__ASM volatile ("stlb %1, %0" : "=Q" (*ptr) : "r" ((uint32_t)value) );
|
|
}
|
|
|
|
|
|
/**
|
|
\brief Store-Release (16 bit)
|
|
\details Executes a STLH instruction for 16 bit values.
|
|
\param [in] value Value to store
|
|
\param [in] ptr Pointer to location
|
|
*/
|
|
__STATIC_FORCEINLINE void __STLH(uint16_t value, volatile uint16_t *ptr)
|
|
{
|
|
__ASM volatile ("stlh %1, %0" : "=Q" (*ptr) : "r" ((uint32_t)value) );
|
|
}
|
|
|
|
|
|
/**
|
|
\brief Store-Release (32 bit)
|
|
\details Executes a STL instruction for 32 bit values.
|
|
\param [in] value Value to store
|
|
\param [in] ptr Pointer to location
|
|
*/
|
|
__STATIC_FORCEINLINE void __STL(uint32_t value, volatile uint32_t *ptr)
|
|
{
|
|
__ASM volatile ("stl %1, %0" : "=Q" (*ptr) : "r" ((uint32_t)value) );
|
|
}
|
|
|
|
|
|
/**
|
|
\brief Load-Acquire Exclusive (8 bit)
|
|
\details Executes a LDAB exclusive instruction for 8 bit value.
|
|
\param [in] ptr Pointer to data
|
|
\return value of type uint8_t at (*ptr)
|
|
*/
|
|
#define __LDAEXB (uint8_t)__builtin_arm_ldaex
|
|
|
|
|
|
/**
|
|
\brief Load-Acquire Exclusive (16 bit)
|
|
\details Executes a LDAH exclusive instruction for 16 bit values.
|
|
\param [in] ptr Pointer to data
|
|
\return value of type uint16_t at (*ptr)
|
|
*/
|
|
#define __LDAEXH (uint16_t)__builtin_arm_ldaex
|
|
|
|
|
|
/**
|
|
\brief Load-Acquire Exclusive (32 bit)
|
|
\details Executes a LDA exclusive instruction for 32 bit values.
|
|
\param [in] ptr Pointer to data
|
|
\return value of type uint32_t at (*ptr)
|
|
*/
|
|
#define __LDAEX (uint32_t)__builtin_arm_ldaex
|
|
|
|
|
|
/**
|
|
\brief Store-Release Exclusive (8 bit)
|
|
\details Executes a STLB exclusive instruction for 8 bit values.
|
|
\param [in] value Value to store
|
|
\param [in] ptr Pointer to location
|
|
\return 0 Function succeeded
|
|
\return 1 Function failed
|
|
*/
|
|
#define __STLEXB (uint32_t)__builtin_arm_stlex
|
|
|
|
|
|
/**
|
|
\brief Store-Release Exclusive (16 bit)
|
|
\details Executes a STLH exclusive instruction for 16 bit values.
|
|
\param [in] value Value to store
|
|
\param [in] ptr Pointer to location
|
|
\return 0 Function succeeded
|
|
\return 1 Function failed
|
|
*/
|
|
#define __STLEXH (uint32_t)__builtin_arm_stlex
|
|
|
|
|
|
/**
|
|
\brief Store-Release Exclusive (32 bit)
|
|
\details Executes a STL exclusive instruction for 32 bit values.
|
|
\param [in] value Value to store
|
|
\param [in] ptr Pointer to location
|
|
\return 0 Function succeeded
|
|
\return 1 Function failed
|
|
*/
|
|
#define __STLEX (uint32_t)__builtin_arm_stlex
|
|
|
|
#endif /* ((defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)) || \
|
|
(defined (__ARM_ARCH_8M_BASE__ ) && (__ARM_ARCH_8M_BASE__ == 1)) ) */
|
|
|
|
/*@}*/ /* end of group CMSIS_Core_InstructionInterface */
|
|
|
|
|
|
/* ################### Compiler specific Intrinsics ########################### */
|
|
/** \defgroup CMSIS_SIMD_intrinsics CMSIS SIMD Intrinsics
|
|
Access to dedicated SIMD instructions
|
|
@{
|
|
*/
|
|
|
|
#if (defined (__ARM_FEATURE_DSP) && (__ARM_FEATURE_DSP == 1))
|
|
|
|
#define __SADD8 __builtin_arm_sadd8
|
|
#define __QADD8 __builtin_arm_qadd8
|
|
#define __SHADD8 __builtin_arm_shadd8
|
|
#define __UADD8 __builtin_arm_uadd8
|
|
#define __UQADD8 __builtin_arm_uqadd8
|
|
#define __UHADD8 __builtin_arm_uhadd8
|
|
#define __SSUB8 __builtin_arm_ssub8
|
|
#define __QSUB8 __builtin_arm_qsub8
|
|
#define __SHSUB8 __builtin_arm_shsub8
|
|
#define __USUB8 __builtin_arm_usub8
|
|
#define __UQSUB8 __builtin_arm_uqsub8
|
|
#define __UHSUB8 __builtin_arm_uhsub8
|
|
#define __SADD16 __builtin_arm_sadd16
|
|
#define __QADD16 __builtin_arm_qadd16
|
|
#define __SHADD16 __builtin_arm_shadd16
|
|
#define __UADD16 __builtin_arm_uadd16
|
|
#define __UQADD16 __builtin_arm_uqadd16
|
|
#define __UHADD16 __builtin_arm_uhadd16
|
|
#define __SSUB16 __builtin_arm_ssub16
|
|
#define __QSUB16 __builtin_arm_qsub16
|
|
#define __SHSUB16 __builtin_arm_shsub16
|
|
#define __USUB16 __builtin_arm_usub16
|
|
#define __UQSUB16 __builtin_arm_uqsub16
|
|
#define __UHSUB16 __builtin_arm_uhsub16
|
|
#define __SASX __builtin_arm_sasx
|
|
#define __QASX __builtin_arm_qasx
|
|
#define __SHASX __builtin_arm_shasx
|
|
#define __UASX __builtin_arm_uasx
|
|
#define __UQASX __builtin_arm_uqasx
|
|
#define __UHASX __builtin_arm_uhasx
|
|
#define __SSAX __builtin_arm_ssax
|
|
#define __QSAX __builtin_arm_qsax
|
|
#define __SHSAX __builtin_arm_shsax
|
|
#define __USAX __builtin_arm_usax
|
|
#define __UQSAX __builtin_arm_uqsax
|
|
#define __UHSAX __builtin_arm_uhsax
|
|
#define __USAD8 __builtin_arm_usad8
|
|
#define __USADA8 __builtin_arm_usada8
|
|
#define __SSAT16 __builtin_arm_ssat16
|
|
#define __USAT16 __builtin_arm_usat16
|
|
#define __UXTB16 __builtin_arm_uxtb16
|
|
#define __UXTAB16 __builtin_arm_uxtab16
|
|
#define __SXTB16 __builtin_arm_sxtb16
|
|
#define __SXTAB16 __builtin_arm_sxtab16
|
|
#define __SMUAD __builtin_arm_smuad
|
|
#define __SMUADX __builtin_arm_smuadx
|
|
#define __SMLAD __builtin_arm_smlad
|
|
#define __SMLADX __builtin_arm_smladx
|
|
#define __SMLALD __builtin_arm_smlald
|
|
#define __SMLALDX __builtin_arm_smlaldx
|
|
#define __SMUSD __builtin_arm_smusd
|
|
#define __SMUSDX __builtin_arm_smusdx
|
|
#define __SMLSD __builtin_arm_smlsd
|
|
#define __SMLSDX __builtin_arm_smlsdx
|
|
#define __SMLSLD __builtin_arm_smlsld
|
|
#define __SMLSLDX __builtin_arm_smlsldx
|
|
#define __SEL __builtin_arm_sel
|
|
#define __QADD __builtin_arm_qadd
|
|
#define __QSUB __builtin_arm_qsub
|
|
|
|
#define __PKHBT(ARG1,ARG2,ARG3) ( ((((uint32_t)(ARG1)) ) & 0x0000FFFFUL) | \
|
|
((((uint32_t)(ARG2)) << (ARG3)) & 0xFFFF0000UL) )
|
|
|
|
#define __PKHTB(ARG1,ARG2,ARG3) ( ((((uint32_t)(ARG1)) ) & 0xFFFF0000UL) | \
|
|
((((uint32_t)(ARG2)) >> (ARG3)) & 0x0000FFFFUL) )
|
|
|
|
__STATIC_FORCEINLINE int32_t __SMMLA (int32_t op1, int32_t op2, int32_t op3)
|
|
{
|
|
int32_t result;
|
|
|
|
__ASM volatile ("smmla %0, %1, %2, %3" : "=r" (result): "r" (op1), "r" (op2), "r" (op3) );
|
|
return(result);
|
|
}
|
|
|
|
#endif /* (__ARM_FEATURE_DSP == 1) */
|
|
/*@} end of group CMSIS_SIMD_intrinsics */
|
|
|
|
|
|
#endif /* __CMSIS_ARMCLANG_H */
|