2169 lines
61 KiB
C
2169 lines
61 KiB
C
/**************************************************************************//**
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* @file cmsis_gcc.h
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* @brief CMSIS compiler GCC 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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#ifndef __CMSIS_GCC_H
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#define __CMSIS_GCC_H
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/* ignore some GCC warnings */
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#pragma GCC diagnostic push
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#pragma GCC diagnostic ignored "-Wsign-conversion"
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#pragma GCC diagnostic ignored "-Wconversion"
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#pragma GCC diagnostic ignored "-Wunused-parameter"
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/* Fallback for __has_builtin */
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#ifndef __has_builtin
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#define __has_builtin(x) (0)
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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 GCC diagnostic push
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#pragma GCC diagnostic ignored "-Wpacked"
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#pragma GCC diagnostic ignored "-Wattributes"
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struct __attribute__((packed)) T_UINT32 { uint32_t v; };
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#pragma GCC 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 GCC diagnostic push
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#pragma GCC diagnostic ignored "-Wpacked"
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#pragma GCC diagnostic ignored "-Wattributes"
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__PACKED_STRUCT T_UINT16_WRITE { uint16_t v; };
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#pragma GCC 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 GCC diagnostic push
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#pragma GCC diagnostic ignored "-Wpacked"
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#pragma GCC diagnostic ignored "-Wattributes"
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__PACKED_STRUCT T_UINT16_READ { uint16_t v; };
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#pragma GCC 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 GCC diagnostic push
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#pragma GCC diagnostic ignored "-Wpacked"
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#pragma GCC diagnostic ignored "-Wattributes"
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__PACKED_STRUCT T_UINT32_WRITE { uint32_t v; };
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#pragma GCC 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 GCC diagnostic push
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#pragma GCC diagnostic ignored "-Wpacked"
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#pragma GCC diagnostic ignored "-Wattributes"
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__PACKED_STRUCT T_UINT32_READ { uint32_t v; };
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#pragma GCC 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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/**
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\brief Initializes data and bss sections
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\details This default implementations initialized all data and additional bss
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sections relying on .copy.table and .zero.table specified properly
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in the used linker script.
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*/
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__STATIC_FORCEINLINE __NO_RETURN void __cmsis_start(void)
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{
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extern void _start(void) __NO_RETURN;
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typedef struct {
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uint32_t const* src;
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uint32_t* dest;
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uint32_t wlen;
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} __copy_table_t;
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typedef struct {
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uint32_t* dest;
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uint32_t wlen;
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} __zero_table_t;
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extern const __copy_table_t __copy_table_start__;
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extern const __copy_table_t __copy_table_end__;
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extern const __zero_table_t __zero_table_start__;
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extern const __zero_table_t __zero_table_end__;
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for (__copy_table_t const* pTable = &__copy_table_start__; pTable < &__copy_table_end__; ++pTable) {
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for(uint32_t i=0u; i<pTable->wlen; ++i) {
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pTable->dest[i] = pTable->src[i];
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}
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}
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for (__zero_table_t const* pTable = &__zero_table_start__; pTable < &__zero_table_end__; ++pTable) {
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for(uint32_t i=0u; i<pTable->wlen; ++i) {
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pTable->dest[i] = 0u;
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}
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}
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_start();
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}
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#define __PROGRAM_START __cmsis_start
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#endif
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#ifndef __INITIAL_SP
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#define __INITIAL_SP __StackTop
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#endif
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#ifndef __STACK_LIMIT
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#define __STACK_LIMIT __StackLimit
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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(".vectors")))
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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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__STATIC_FORCEINLINE void __enable_irq(void)
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{
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__ASM volatile ("cpsie i" : : : "memory");
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}
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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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__STATIC_FORCEINLINE void __disable_irq(void)
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{
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__ASM volatile ("cpsid i" : : : "memory");
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}
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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) :: "memory");
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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) :: "memory");
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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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__STATIC_FORCEINLINE void __enable_fault_irq(void)
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{
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__ASM volatile ("cpsie f" : : : "memory");
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}
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|
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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.
|
|
Can only be executed in Privileged modes.
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*/
|
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__STATIC_FORCEINLINE void __disable_fault_irq(void)
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{
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__ASM volatile ("cpsid f" : : : "memory");
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}
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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
|
|
*/
|
|
__STATIC_FORCEINLINE uint32_t __get_BASEPRI(void)
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{
|
|
uint32_t result;
|
|
|
|
__ASM volatile ("MRS %0, basepri" : "=r" (result) );
|
|
return(result);
|
|
}
|
|
|
|
|
|
#if (defined (__ARM_FEATURE_CMSE ) && (__ARM_FEATURE_CMSE == 3))
|
|
/**
|
|
\brief Get Base Priority (non-secure)
|
|
\details Returns the current value of the non-secure Base Priority register when in secure state.
|
|
\return Base Priority register value
|
|
*/
|
|
__STATIC_FORCEINLINE uint32_t __TZ_get_BASEPRI_NS(void)
|
|
{
|
|
uint32_t result;
|
|
|
|
__ASM volatile ("MRS %0, basepri_ns" : "=r" (result) );
|
|
return(result);
|
|
}
|
|
#endif
|
|
|
|
|
|
/**
|
|
\brief Set Base Priority
|
|
\details Assigns the given value to the Base Priority register.
|
|
\param [in] basePri Base Priority value to set
|
|
*/
|
|
__STATIC_FORCEINLINE void __set_BASEPRI(uint32_t basePri)
|
|
{
|
|
__ASM volatile ("MSR basepri, %0" : : "r" (basePri) : "memory");
|
|
}
|
|
|
|
|
|
#if (defined (__ARM_FEATURE_CMSE ) && (__ARM_FEATURE_CMSE == 3))
|
|
/**
|
|
\brief Set Base Priority (non-secure)
|
|
\details Assigns the given value to the non-secure Base Priority register when in secure state.
|
|
\param [in] basePri Base Priority value to set
|
|
*/
|
|
__STATIC_FORCEINLINE void __TZ_set_BASEPRI_NS(uint32_t basePri)
|
|
{
|
|
__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.
|
|
|
|
\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.
|
|
|
|
\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 in non-secure
|
|
mode.
|
|
|
|
\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 in non-secure
|
|
mode.
|
|
|
|
\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
|
|
*/
|
|
__STATIC_FORCEINLINE uint32_t __get_FPSCR(void)
|
|
{
|
|
#if ((defined (__FPU_PRESENT) && (__FPU_PRESENT == 1U)) && \
|
|
(defined (__FPU_USED ) && (__FPU_USED == 1U)) )
|
|
#if __has_builtin(__builtin_arm_get_fpscr)
|
|
// Re-enable using built-in when GCC has been fixed
|
|
// || (__GNUC__ > 7) || (__GNUC__ == 7 && __GNUC_MINOR__ >= 2)
|
|
/* see https://gcc.gnu.org/ml/gcc-patches/2017-04/msg00443.html */
|
|
return __builtin_arm_get_fpscr();
|
|
#else
|
|
uint32_t result;
|
|
|
|
__ASM volatile ("VMRS %0, fpscr" : "=r" (result) );
|
|
return(result);
|
|
#endif
|
|
#else
|
|
return(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
|
|
*/
|
|
__STATIC_FORCEINLINE void __set_FPSCR(uint32_t fpscr)
|
|
{
|
|
#if ((defined (__FPU_PRESENT) && (__FPU_PRESENT == 1U)) && \
|
|
(defined (__FPU_USED ) && (__FPU_USED == 1U)) )
|
|
#if __has_builtin(__builtin_arm_set_fpscr)
|
|
// Re-enable using built-in when GCC has been fixed
|
|
// || (__GNUC__ > 7) || (__GNUC__ == 7 && __GNUC_MINOR__ >= 2)
|
|
/* see https://gcc.gnu.org/ml/gcc-patches/2017-04/msg00443.html */
|
|
__builtin_arm_set_fpscr(fpscr);
|
|
#else
|
|
__ASM volatile ("VMSR fpscr, %0" : : "r" (fpscr) : "vfpcc", "memory");
|
|
#endif
|
|
#else
|
|
(void)fpscr;
|
|
#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() __ASM volatile ("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() __ASM volatile ("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() __ASM volatile ("wfe")
|
|
|
|
|
|
/**
|
|
\brief Send Event
|
|
\details Send Event is a hint instruction. It causes an event to be signaled to the CPU.
|
|
*/
|
|
#define __SEV() __ASM volatile ("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.
|
|
*/
|
|
__STATIC_FORCEINLINE void __ISB(void)
|
|
{
|
|
__ASM volatile ("isb 0xF":::"memory");
|
|
}
|
|
|
|
|
|
/**
|
|
\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.
|
|
*/
|
|
__STATIC_FORCEINLINE void __DSB(void)
|
|
{
|
|
__ASM volatile ("dsb 0xF":::"memory");
|
|
}
|
|
|
|
|
|
/**
|
|
\brief Data Memory Barrier
|
|
\details Ensures the apparent order of the explicit memory operations before
|
|
and after the instruction, without ensuring their completion.
|
|
*/
|
|
__STATIC_FORCEINLINE void __DMB(void)
|
|
{
|
|
__ASM volatile ("dmb 0xF":::"memory");
|
|
}
|
|
|
|
|
|
/**
|
|
\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
|
|
*/
|
|
__STATIC_FORCEINLINE uint32_t __REV(uint32_t value)
|
|
{
|
|
#if (__GNUC__ > 4) || (__GNUC__ == 4 && __GNUC_MINOR__ >= 5)
|
|
return __builtin_bswap32(value);
|
|
#else
|
|
uint32_t result;
|
|
|
|
__ASM volatile ("rev %0, %1" : __CMSIS_GCC_OUT_REG (result) : __CMSIS_GCC_USE_REG (value) );
|
|
return result;
|
|
#endif
|
|
}
|
|
|
|
|
|
/**
|
|
\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
|
|
*/
|
|
__STATIC_FORCEINLINE uint32_t __REV16(uint32_t value)
|
|
{
|
|
uint32_t result;
|
|
|
|
__ASM volatile ("rev16 %0, %1" : __CMSIS_GCC_OUT_REG (result) : __CMSIS_GCC_USE_REG (value) );
|
|
return result;
|
|
}
|
|
|
|
|
|
/**
|
|
\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
|
|
*/
|
|
__STATIC_FORCEINLINE int16_t __REVSH(int16_t value)
|
|
{
|
|
#if (__GNUC__ > 4) || (__GNUC__ == 4 && __GNUC_MINOR__ >= 8)
|
|
return (int16_t)__builtin_bswap16(value);
|
|
#else
|
|
int16_t result;
|
|
|
|
__ASM volatile ("revsh %0, %1" : __CMSIS_GCC_OUT_REG (result) : __CMSIS_GCC_USE_REG (value) );
|
|
return result;
|
|
#endif
|
|
}
|
|
|
|
|
|
/**
|
|
\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
|
|
*/
|
|
__STATIC_FORCEINLINE uint32_t __RBIT(uint32_t value)
|
|
{
|
|
uint32_t result;
|
|
|
|
#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)) )
|
|
__ASM volatile ("rbit %0, %1" : "=r" (result) : "r" (value) );
|
|
#else
|
|
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 != 0U; value >>= 1U)
|
|
{
|
|
result <<= 1U;
|
|
result |= value & 1U;
|
|
s--;
|
|
}
|
|
result <<= s; /* shift when v's highest bits are zero */
|
|
#endif
|
|
return result;
|
|
}
|
|
|
|
|
|
/**
|
|
\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 GCC 7.3 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)
|
|
*/
|
|
__STATIC_FORCEINLINE uint8_t __LDREXB(volatile uint8_t *addr)
|
|
{
|
|
uint32_t result;
|
|
|
|
#if (__GNUC__ > 4) || (__GNUC__ == 4 && __GNUC_MINOR__ >= 8)
|
|
__ASM volatile ("ldrexb %0, %1" : "=r" (result) : "Q" (*addr) );
|
|
#else
|
|
/* Prior to GCC 4.8, "Q" will be expanded to [rx, #0] which is not
|
|
accepted by assembler. So has to use following less efficient pattern.
|
|
*/
|
|
__ASM volatile ("ldrexb %0, [%1]" : "=r" (result) : "r" (addr) : "memory" );
|
|
#endif
|
|
return ((uint8_t) result); /* Add explicit type cast here */
|
|
}
|
|
|
|
|
|
/**
|
|
\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)
|
|
*/
|
|
__STATIC_FORCEINLINE uint16_t __LDREXH(volatile uint16_t *addr)
|
|
{
|
|
uint32_t result;
|
|
|
|
#if (__GNUC__ > 4) || (__GNUC__ == 4 && __GNUC_MINOR__ >= 8)
|
|
__ASM volatile ("ldrexh %0, %1" : "=r" (result) : "Q" (*addr) );
|
|
#else
|
|
/* Prior to GCC 4.8, "Q" will be expanded to [rx, #0] which is not
|
|
accepted by assembler. So has to use following less efficient pattern.
|
|
*/
|
|
__ASM volatile ("ldrexh %0, [%1]" : "=r" (result) : "r" (addr) : "memory" );
|
|
#endif
|
|
return ((uint16_t) result); /* Add explicit type cast here */
|
|
}
|
|
|
|
|
|
/**
|
|
\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)
|
|
*/
|
|
__STATIC_FORCEINLINE uint32_t __LDREXW(volatile uint32_t *addr)
|
|
{
|
|
uint32_t result;
|
|
|
|
__ASM volatile ("ldrex %0, %1" : "=r" (result) : "Q" (*addr) );
|
|
return(result);
|
|
}
|
|
|
|
|
|
/**
|
|
\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
|
|
*/
|
|
__STATIC_FORCEINLINE uint32_t __STREXB(uint8_t value, volatile uint8_t *addr)
|
|
{
|
|
uint32_t result;
|
|
|
|
__ASM volatile ("strexb %0, %2, %1" : "=&r" (result), "=Q" (*addr) : "r" ((uint32_t)value) );
|
|
return(result);
|
|
}
|
|
|
|
|
|
/**
|
|
\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
|
|
*/
|
|
__STATIC_FORCEINLINE uint32_t __STREXH(uint16_t value, volatile uint16_t *addr)
|
|
{
|
|
uint32_t result;
|
|
|
|
__ASM volatile ("strexh %0, %2, %1" : "=&r" (result), "=Q" (*addr) : "r" ((uint32_t)value) );
|
|
return(result);
|
|
}
|
|
|
|
|
|
/**
|
|
\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
|
|
*/
|
|
__STATIC_FORCEINLINE uint32_t __STREXW(uint32_t value, volatile uint32_t *addr)
|
|
{
|
|
uint32_t result;
|
|
|
|
__ASM volatile ("strex %0, %2, %1" : "=&r" (result), "=Q" (*addr) : "r" (value) );
|
|
return(result);
|
|
}
|
|
|
|
|
|
/**
|
|
\brief Remove the exclusive lock
|
|
\details Removes the exclusive lock which is created by LDREX.
|
|
*/
|
|
__STATIC_FORCEINLINE void __CLREX(void)
|
|
{
|
|
__ASM volatile ("clrex" ::: "memory");
|
|
}
|
|
|
|
#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] ARG1 Value to be saturated
|
|
\param [in] ARG2 Bit position to saturate to (1..32)
|
|
\return Saturated value
|
|
*/
|
|
#define __SSAT(ARG1,ARG2) \
|
|
__extension__ \
|
|
({ \
|
|
int32_t __RES, __ARG1 = (ARG1); \
|
|
__ASM ("ssat %0, %1, %2" : "=r" (__RES) : "I" (ARG2), "r" (__ARG1) ); \
|
|
__RES; \
|
|
})
|
|
|
|
|
|
/**
|
|
\brief Unsigned Saturate
|
|
\details Saturates an unsigned value.
|
|
\param [in] ARG1 Value to be saturated
|
|
\param [in] ARG2 Bit position to saturate to (0..31)
|
|
\return Saturated value
|
|
*/
|
|
#define __USAT(ARG1,ARG2) \
|
|
__extension__ \
|
|
({ \
|
|
uint32_t __RES, __ARG1 = (ARG1); \
|
|
__ASM ("usat %0, %1, %2" : "=r" (__RES) : "I" (ARG2), "r" (__ARG1) ); \
|
|
__RES; \
|
|
})
|
|
|
|
|
|
/**
|
|
\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;
|
|
|
|
#if (__GNUC__ > 4) || (__GNUC__ == 4 && __GNUC_MINOR__ >= 8)
|
|
__ASM volatile ("ldrbt %0, %1" : "=r" (result) : "Q" (*ptr) );
|
|
#else
|
|
/* Prior to GCC 4.8, "Q" will be expanded to [rx, #0] which is not
|
|
accepted by assembler. So has to use following less efficient pattern.
|
|
*/
|
|
__ASM volatile ("ldrbt %0, [%1]" : "=r" (result) : "r" (ptr) : "memory" );
|
|
#endif
|
|
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;
|
|
|
|
#if (__GNUC__ > 4) || (__GNUC__ == 4 && __GNUC_MINOR__ >= 8)
|
|
__ASM volatile ("ldrht %0, %1" : "=r" (result) : "Q" (*ptr) );
|
|
#else
|
|
/* Prior to GCC 4.8, "Q" will be expanded to [rx, #0] which is not
|
|
accepted by assembler. So has to use following less efficient pattern.
|
|
*/
|
|
__ASM volatile ("ldrht %0, [%1]" : "=r" (result) : "r" (ptr) : "memory" );
|
|
#endif
|
|
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)
|
|
*/
|
|
__STATIC_FORCEINLINE uint8_t __LDAEXB(volatile uint8_t *ptr)
|
|
{
|
|
uint32_t result;
|
|
|
|
__ASM volatile ("ldaexb %0, %1" : "=r" (result) : "Q" (*ptr) );
|
|
return ((uint8_t) result);
|
|
}
|
|
|
|
|
|
/**
|
|
\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)
|
|
*/
|
|
__STATIC_FORCEINLINE uint16_t __LDAEXH(volatile uint16_t *ptr)
|
|
{
|
|
uint32_t result;
|
|
|
|
__ASM volatile ("ldaexh %0, %1" : "=r" (result) : "Q" (*ptr) );
|
|
return ((uint16_t) result);
|
|
}
|
|
|
|
|
|
/**
|
|
\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)
|
|
*/
|
|
__STATIC_FORCEINLINE uint32_t __LDAEX(volatile uint32_t *ptr)
|
|
{
|
|
uint32_t result;
|
|
|
|
__ASM volatile ("ldaex %0, %1" : "=r" (result) : "Q" (*ptr) );
|
|
return(result);
|
|
}
|
|
|
|
|
|
/**
|
|
\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
|
|
*/
|
|
__STATIC_FORCEINLINE uint32_t __STLEXB(uint8_t value, volatile uint8_t *ptr)
|
|
{
|
|
uint32_t result;
|
|
|
|
__ASM volatile ("stlexb %0, %2, %1" : "=&r" (result), "=Q" (*ptr) : "r" ((uint32_t)value) );
|
|
return(result);
|
|
}
|
|
|
|
|
|
/**
|
|
\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
|
|
*/
|
|
__STATIC_FORCEINLINE uint32_t __STLEXH(uint16_t value, volatile uint16_t *ptr)
|
|
{
|
|
uint32_t result;
|
|
|
|
__ASM volatile ("stlexh %0, %2, %1" : "=&r" (result), "=Q" (*ptr) : "r" ((uint32_t)value) );
|
|
return(result);
|
|
}
|
|
|
|
|
|
/**
|
|
\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
|
|
*/
|
|
__STATIC_FORCEINLINE uint32_t __STLEX(uint32_t value, volatile uint32_t *ptr)
|
|
{
|
|
uint32_t result;
|
|
|
|
__ASM volatile ("stlex %0, %2, %1" : "=&r" (result), "=Q" (*ptr) : "r" ((uint32_t)value) );
|
|
return(result);
|
|
}
|
|
|
|
#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))
|
|
|
|
__STATIC_FORCEINLINE uint32_t __SADD8(uint32_t op1, uint32_t op2)
|
|
{
|
|
uint32_t result;
|
|
|
|
__ASM volatile ("sadd8 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
|
|
return(result);
|
|
}
|
|
|
|
__STATIC_FORCEINLINE uint32_t __QADD8(uint32_t op1, uint32_t op2)
|
|
{
|
|
uint32_t result;
|
|
|
|
__ASM volatile ("qadd8 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
|
|
return(result);
|
|
}
|
|
|
|
__STATIC_FORCEINLINE uint32_t __SHADD8(uint32_t op1, uint32_t op2)
|
|
{
|
|
uint32_t result;
|
|
|
|
__ASM volatile ("shadd8 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
|
|
return(result);
|
|
}
|
|
|
|
__STATIC_FORCEINLINE uint32_t __UADD8(uint32_t op1, uint32_t op2)
|
|
{
|
|
uint32_t result;
|
|
|
|
__ASM volatile ("uadd8 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
|
|
return(result);
|
|
}
|
|
|
|
__STATIC_FORCEINLINE uint32_t __UQADD8(uint32_t op1, uint32_t op2)
|
|
{
|
|
uint32_t result;
|
|
|
|
__ASM volatile ("uqadd8 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
|
|
return(result);
|
|
}
|
|
|
|
__STATIC_FORCEINLINE uint32_t __UHADD8(uint32_t op1, uint32_t op2)
|
|
{
|
|
uint32_t result;
|
|
|
|
__ASM volatile ("uhadd8 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
|
|
return(result);
|
|
}
|
|
|
|
|
|
__STATIC_FORCEINLINE uint32_t __SSUB8(uint32_t op1, uint32_t op2)
|
|
{
|
|
uint32_t result;
|
|
|
|
__ASM volatile ("ssub8 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
|
|
return(result);
|
|
}
|
|
|
|
__STATIC_FORCEINLINE uint32_t __QSUB8(uint32_t op1, uint32_t op2)
|
|
{
|
|
uint32_t result;
|
|
|
|
__ASM volatile ("qsub8 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
|
|
return(result);
|
|
}
|
|
|
|
__STATIC_FORCEINLINE uint32_t __SHSUB8(uint32_t op1, uint32_t op2)
|
|
{
|
|
uint32_t result;
|
|
|
|
__ASM volatile ("shsub8 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
|
|
return(result);
|
|
}
|
|
|
|
__STATIC_FORCEINLINE uint32_t __USUB8(uint32_t op1, uint32_t op2)
|
|
{
|
|
uint32_t result;
|
|
|
|
__ASM volatile ("usub8 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
|
|
return(result);
|
|
}
|
|
|
|
__STATIC_FORCEINLINE uint32_t __UQSUB8(uint32_t op1, uint32_t op2)
|
|
{
|
|
uint32_t result;
|
|
|
|
__ASM volatile ("uqsub8 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
|
|
return(result);
|
|
}
|
|
|
|
__STATIC_FORCEINLINE uint32_t __UHSUB8(uint32_t op1, uint32_t op2)
|
|
{
|
|
uint32_t result;
|
|
|
|
__ASM volatile ("uhsub8 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
|
|
return(result);
|
|
}
|
|
|
|
|
|
__STATIC_FORCEINLINE uint32_t __SADD16(uint32_t op1, uint32_t op2)
|
|
{
|
|
uint32_t result;
|
|
|
|
__ASM volatile ("sadd16 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
|
|
return(result);
|
|
}
|
|
|
|
__STATIC_FORCEINLINE uint32_t __QADD16(uint32_t op1, uint32_t op2)
|
|
{
|
|
uint32_t result;
|
|
|
|
__ASM volatile ("qadd16 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
|
|
return(result);
|
|
}
|
|
|
|
__STATIC_FORCEINLINE uint32_t __SHADD16(uint32_t op1, uint32_t op2)
|
|
{
|
|
uint32_t result;
|
|
|
|
__ASM volatile ("shadd16 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
|
|
return(result);
|
|
}
|
|
|
|
__STATIC_FORCEINLINE uint32_t __UADD16(uint32_t op1, uint32_t op2)
|
|
{
|
|
uint32_t result;
|
|
|
|
__ASM volatile ("uadd16 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
|
|
return(result);
|
|
}
|
|
|
|
__STATIC_FORCEINLINE uint32_t __UQADD16(uint32_t op1, uint32_t op2)
|
|
{
|
|
uint32_t result;
|
|
|
|
__ASM volatile ("uqadd16 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
|
|
return(result);
|
|
}
|
|
|
|
__STATIC_FORCEINLINE uint32_t __UHADD16(uint32_t op1, uint32_t op2)
|
|
{
|
|
uint32_t result;
|
|
|
|
__ASM volatile ("uhadd16 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
|
|
return(result);
|
|
}
|
|
|
|
__STATIC_FORCEINLINE uint32_t __SSUB16(uint32_t op1, uint32_t op2)
|
|
{
|
|
uint32_t result;
|
|
|
|
__ASM volatile ("ssub16 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
|
|
return(result);
|
|
}
|
|
|
|
__STATIC_FORCEINLINE uint32_t __QSUB16(uint32_t op1, uint32_t op2)
|
|
{
|
|
uint32_t result;
|
|
|
|
__ASM volatile ("qsub16 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
|
|
return(result);
|
|
}
|
|
|
|
__STATIC_FORCEINLINE uint32_t __SHSUB16(uint32_t op1, uint32_t op2)
|
|
{
|
|
uint32_t result;
|
|
|
|
__ASM volatile ("shsub16 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
|
|
return(result);
|
|
}
|
|
|
|
__STATIC_FORCEINLINE uint32_t __USUB16(uint32_t op1, uint32_t op2)
|
|
{
|
|
uint32_t result;
|
|
|
|
__ASM volatile ("usub16 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
|
|
return(result);
|
|
}
|
|
|
|
__STATIC_FORCEINLINE uint32_t __UQSUB16(uint32_t op1, uint32_t op2)
|
|
{
|
|
uint32_t result;
|
|
|
|
__ASM volatile ("uqsub16 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
|
|
return(result);
|
|
}
|
|
|
|
__STATIC_FORCEINLINE uint32_t __UHSUB16(uint32_t op1, uint32_t op2)
|
|
{
|
|
uint32_t result;
|
|
|
|
__ASM volatile ("uhsub16 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
|
|
return(result);
|
|
}
|
|
|
|
__STATIC_FORCEINLINE uint32_t __SASX(uint32_t op1, uint32_t op2)
|
|
{
|
|
uint32_t result;
|
|
|
|
__ASM volatile ("sasx %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
|
|
return(result);
|
|
}
|
|
|
|
__STATIC_FORCEINLINE uint32_t __QASX(uint32_t op1, uint32_t op2)
|
|
{
|
|
uint32_t result;
|
|
|
|
__ASM volatile ("qasx %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
|
|
return(result);
|
|
}
|
|
|
|
__STATIC_FORCEINLINE uint32_t __SHASX(uint32_t op1, uint32_t op2)
|
|
{
|
|
uint32_t result;
|
|
|
|
__ASM volatile ("shasx %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
|
|
return(result);
|
|
}
|
|
|
|
__STATIC_FORCEINLINE uint32_t __UASX(uint32_t op1, uint32_t op2)
|
|
{
|
|
uint32_t result;
|
|
|
|
__ASM volatile ("uasx %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
|
|
return(result);
|
|
}
|
|
|
|
__STATIC_FORCEINLINE uint32_t __UQASX(uint32_t op1, uint32_t op2)
|
|
{
|
|
uint32_t result;
|
|
|
|
__ASM volatile ("uqasx %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
|
|
return(result);
|
|
}
|
|
|
|
__STATIC_FORCEINLINE uint32_t __UHASX(uint32_t op1, uint32_t op2)
|
|
{
|
|
uint32_t result;
|
|
|
|
__ASM volatile ("uhasx %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
|
|
return(result);
|
|
}
|
|
|
|
__STATIC_FORCEINLINE uint32_t __SSAX(uint32_t op1, uint32_t op2)
|
|
{
|
|
uint32_t result;
|
|
|
|
__ASM volatile ("ssax %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
|
|
return(result);
|
|
}
|
|
|
|
__STATIC_FORCEINLINE uint32_t __QSAX(uint32_t op1, uint32_t op2)
|
|
{
|
|
uint32_t result;
|
|
|
|
__ASM volatile ("qsax %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
|
|
return(result);
|
|
}
|
|
|
|
__STATIC_FORCEINLINE uint32_t __SHSAX(uint32_t op1, uint32_t op2)
|
|
{
|
|
uint32_t result;
|
|
|
|
__ASM volatile ("shsax %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
|
|
return(result);
|
|
}
|
|
|
|
__STATIC_FORCEINLINE uint32_t __USAX(uint32_t op1, uint32_t op2)
|
|
{
|
|
uint32_t result;
|
|
|
|
__ASM volatile ("usax %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
|
|
return(result);
|
|
}
|
|
|
|
__STATIC_FORCEINLINE uint32_t __UQSAX(uint32_t op1, uint32_t op2)
|
|
{
|
|
uint32_t result;
|
|
|
|
__ASM volatile ("uqsax %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
|
|
return(result);
|
|
}
|
|
|
|
__STATIC_FORCEINLINE uint32_t __UHSAX(uint32_t op1, uint32_t op2)
|
|
{
|
|
uint32_t result;
|
|
|
|
__ASM volatile ("uhsax %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
|
|
return(result);
|
|
}
|
|
|
|
__STATIC_FORCEINLINE uint32_t __USAD8(uint32_t op1, uint32_t op2)
|
|
{
|
|
uint32_t result;
|
|
|
|
__ASM volatile ("usad8 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
|
|
return(result);
|
|
}
|
|
|
|
__STATIC_FORCEINLINE uint32_t __USADA8(uint32_t op1, uint32_t op2, uint32_t op3)
|
|
{
|
|
uint32_t result;
|
|
|
|
__ASM volatile ("usada8 %0, %1, %2, %3" : "=r" (result) : "r" (op1), "r" (op2), "r" (op3) );
|
|
return(result);
|
|
}
|
|
|
|
#define __SSAT16(ARG1,ARG2) \
|
|
({ \
|
|
int32_t __RES, __ARG1 = (ARG1); \
|
|
__ASM ("ssat16 %0, %1, %2" : "=r" (__RES) : "I" (ARG2), "r" (__ARG1) ); \
|
|
__RES; \
|
|
})
|
|
|
|
#define __USAT16(ARG1,ARG2) \
|
|
({ \
|
|
uint32_t __RES, __ARG1 = (ARG1); \
|
|
__ASM ("usat16 %0, %1, %2" : "=r" (__RES) : "I" (ARG2), "r" (__ARG1) ); \
|
|
__RES; \
|
|
})
|
|
|
|
__STATIC_FORCEINLINE uint32_t __UXTB16(uint32_t op1)
|
|
{
|
|
uint32_t result;
|
|
|
|
__ASM volatile ("uxtb16 %0, %1" : "=r" (result) : "r" (op1));
|
|
return(result);
|
|
}
|
|
|
|
__STATIC_FORCEINLINE uint32_t __UXTAB16(uint32_t op1, uint32_t op2)
|
|
{
|
|
uint32_t result;
|
|
|
|
__ASM volatile ("uxtab16 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
|
|
return(result);
|
|
}
|
|
|
|
__STATIC_FORCEINLINE uint32_t __SXTB16(uint32_t op1)
|
|
{
|
|
uint32_t result;
|
|
|
|
__ASM volatile ("sxtb16 %0, %1" : "=r" (result) : "r" (op1));
|
|
return(result);
|
|
}
|
|
|
|
__STATIC_FORCEINLINE uint32_t __SXTAB16(uint32_t op1, uint32_t op2)
|
|
{
|
|
uint32_t result;
|
|
|
|
__ASM volatile ("sxtab16 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
|
|
return(result);
|
|
}
|
|
|
|
__STATIC_FORCEINLINE uint32_t __SMUAD (uint32_t op1, uint32_t op2)
|
|
{
|
|
uint32_t result;
|
|
|
|
__ASM volatile ("smuad %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
|
|
return(result);
|
|
}
|
|
|
|
__STATIC_FORCEINLINE uint32_t __SMUADX (uint32_t op1, uint32_t op2)
|
|
{
|
|
uint32_t result;
|
|
|
|
__ASM volatile ("smuadx %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
|
|
return(result);
|
|
}
|
|
|
|
__STATIC_FORCEINLINE uint32_t __SMLAD (uint32_t op1, uint32_t op2, uint32_t op3)
|
|
{
|
|
uint32_t result;
|
|
|
|
__ASM volatile ("smlad %0, %1, %2, %3" : "=r" (result) : "r" (op1), "r" (op2), "r" (op3) );
|
|
return(result);
|
|
}
|
|
|
|
__STATIC_FORCEINLINE uint32_t __SMLADX (uint32_t op1, uint32_t op2, uint32_t op3)
|
|
{
|
|
uint32_t result;
|
|
|
|
__ASM volatile ("smladx %0, %1, %2, %3" : "=r" (result) : "r" (op1), "r" (op2), "r" (op3) );
|
|
return(result);
|
|
}
|
|
|
|
__STATIC_FORCEINLINE uint64_t __SMLALD (uint32_t op1, uint32_t op2, uint64_t acc)
|
|
{
|
|
union llreg_u{
|
|
uint32_t w32[2];
|
|
uint64_t w64;
|
|
} llr;
|
|
llr.w64 = acc;
|
|
|
|
#ifndef __ARMEB__ /* Little endian */
|
|
__ASM volatile ("smlald %0, %1, %2, %3" : "=r" (llr.w32[0]), "=r" (llr.w32[1]): "r" (op1), "r" (op2) , "0" (llr.w32[0]), "1" (llr.w32[1]) );
|
|
#else /* Big endian */
|
|
__ASM volatile ("smlald %0, %1, %2, %3" : "=r" (llr.w32[1]), "=r" (llr.w32[0]): "r" (op1), "r" (op2) , "0" (llr.w32[1]), "1" (llr.w32[0]) );
|
|
#endif
|
|
|
|
return(llr.w64);
|
|
}
|
|
|
|
__STATIC_FORCEINLINE uint64_t __SMLALDX (uint32_t op1, uint32_t op2, uint64_t acc)
|
|
{
|
|
union llreg_u{
|
|
uint32_t w32[2];
|
|
uint64_t w64;
|
|
} llr;
|
|
llr.w64 = acc;
|
|
|
|
#ifndef __ARMEB__ /* Little endian */
|
|
__ASM volatile ("smlaldx %0, %1, %2, %3" : "=r" (llr.w32[0]), "=r" (llr.w32[1]): "r" (op1), "r" (op2) , "0" (llr.w32[0]), "1" (llr.w32[1]) );
|
|
#else /* Big endian */
|
|
__ASM volatile ("smlaldx %0, %1, %2, %3" : "=r" (llr.w32[1]), "=r" (llr.w32[0]): "r" (op1), "r" (op2) , "0" (llr.w32[1]), "1" (llr.w32[0]) );
|
|
#endif
|
|
|
|
return(llr.w64);
|
|
}
|
|
|
|
__STATIC_FORCEINLINE uint32_t __SMUSD (uint32_t op1, uint32_t op2)
|
|
{
|
|
uint32_t result;
|
|
|
|
__ASM volatile ("smusd %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
|
|
return(result);
|
|
}
|
|
|
|
__STATIC_FORCEINLINE uint32_t __SMUSDX (uint32_t op1, uint32_t op2)
|
|
{
|
|
uint32_t result;
|
|
|
|
__ASM volatile ("smusdx %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
|
|
return(result);
|
|
}
|
|
|
|
__STATIC_FORCEINLINE uint32_t __SMLSD (uint32_t op1, uint32_t op2, uint32_t op3)
|
|
{
|
|
uint32_t result;
|
|
|
|
__ASM volatile ("smlsd %0, %1, %2, %3" : "=r" (result) : "r" (op1), "r" (op2), "r" (op3) );
|
|
return(result);
|
|
}
|
|
|
|
__STATIC_FORCEINLINE uint32_t __SMLSDX (uint32_t op1, uint32_t op2, uint32_t op3)
|
|
{
|
|
uint32_t result;
|
|
|
|
__ASM volatile ("smlsdx %0, %1, %2, %3" : "=r" (result) : "r" (op1), "r" (op2), "r" (op3) );
|
|
return(result);
|
|
}
|
|
|
|
__STATIC_FORCEINLINE uint64_t __SMLSLD (uint32_t op1, uint32_t op2, uint64_t acc)
|
|
{
|
|
union llreg_u{
|
|
uint32_t w32[2];
|
|
uint64_t w64;
|
|
} llr;
|
|
llr.w64 = acc;
|
|
|
|
#ifndef __ARMEB__ /* Little endian */
|
|
__ASM volatile ("smlsld %0, %1, %2, %3" : "=r" (llr.w32[0]), "=r" (llr.w32[1]): "r" (op1), "r" (op2) , "0" (llr.w32[0]), "1" (llr.w32[1]) );
|
|
#else /* Big endian */
|
|
__ASM volatile ("smlsld %0, %1, %2, %3" : "=r" (llr.w32[1]), "=r" (llr.w32[0]): "r" (op1), "r" (op2) , "0" (llr.w32[1]), "1" (llr.w32[0]) );
|
|
#endif
|
|
|
|
return(llr.w64);
|
|
}
|
|
|
|
__STATIC_FORCEINLINE uint64_t __SMLSLDX (uint32_t op1, uint32_t op2, uint64_t acc)
|
|
{
|
|
union llreg_u{
|
|
uint32_t w32[2];
|
|
uint64_t w64;
|
|
} llr;
|
|
llr.w64 = acc;
|
|
|
|
#ifndef __ARMEB__ /* Little endian */
|
|
__ASM volatile ("smlsldx %0, %1, %2, %3" : "=r" (llr.w32[0]), "=r" (llr.w32[1]): "r" (op1), "r" (op2) , "0" (llr.w32[0]), "1" (llr.w32[1]) );
|
|
#else /* Big endian */
|
|
__ASM volatile ("smlsldx %0, %1, %2, %3" : "=r" (llr.w32[1]), "=r" (llr.w32[0]): "r" (op1), "r" (op2) , "0" (llr.w32[1]), "1" (llr.w32[0]) );
|
|
#endif
|
|
|
|
return(llr.w64);
|
|
}
|
|
|
|
__STATIC_FORCEINLINE uint32_t __SEL (uint32_t op1, uint32_t op2)
|
|
{
|
|
uint32_t result;
|
|
|
|
__ASM volatile ("sel %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
|
|
return(result);
|
|
}
|
|
|
|
__STATIC_FORCEINLINE int32_t __QADD( int32_t op1, int32_t op2)
|
|
{
|
|
int32_t result;
|
|
|
|
__ASM volatile ("qadd %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
|
|
return(result);
|
|
}
|
|
|
|
__STATIC_FORCEINLINE int32_t __QSUB( int32_t op1, int32_t op2)
|
|
{
|
|
int32_t result;
|
|
|
|
__ASM volatile ("qsub %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) );
|
|
return(result);
|
|
}
|
|
|
|
#if 0
|
|
#define __PKHBT(ARG1,ARG2,ARG3) \
|
|
({ \
|
|
uint32_t __RES, __ARG1 = (ARG1), __ARG2 = (ARG2); \
|
|
__ASM ("pkhbt %0, %1, %2, lsl %3" : "=r" (__RES) : "r" (__ARG1), "r" (__ARG2), "I" (ARG3) ); \
|
|
__RES; \
|
|
})
|
|
|
|
#define __PKHTB(ARG1,ARG2,ARG3) \
|
|
({ \
|
|
uint32_t __RES, __ARG1 = (ARG1), __ARG2 = (ARG2); \
|
|
if (ARG3 == 0) \
|
|
__ASM ("pkhtb %0, %1, %2" : "=r" (__RES) : "r" (__ARG1), "r" (__ARG2) ); \
|
|
else \
|
|
__ASM ("pkhtb %0, %1, %2, asr %3" : "=r" (__RES) : "r" (__ARG1), "r" (__ARG2), "I" (ARG3) ); \
|
|
__RES; \
|
|
})
|
|
#endif
|
|
|
|
#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 */
|
|
|
|
|
|
#pragma GCC diagnostic pop
|
|
|
|
#endif /* __CMSIS_GCC_H */
|