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1374 lines
39 KiB
C
1374 lines
39 KiB
C
/**************************************************************************//**
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* @file cmsis_gcc.h
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* @brief CMSIS Cortex-M Core Function/Instruction Header File
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* @version V4.30
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* @date 20. October 2015
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******************************************************************************/
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/* Copyright (c) 2009 - 2015 ARM LIMITED
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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- Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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- Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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- Neither the name of ARM nor the names of its contributors may be used
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to endorse or promote products derived from this software without
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specific prior written permission.
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*
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE
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LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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POSSIBILITY OF SUCH DAMAGE.
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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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#if defined ( __GNUC__ )
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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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#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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__attribute__( ( always_inline ) ) __STATIC_INLINE 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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__attribute__( ( always_inline ) ) __STATIC_INLINE 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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__attribute__( ( always_inline ) ) __STATIC_INLINE 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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/**
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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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__attribute__( ( always_inline ) ) __STATIC_INLINE 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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/**
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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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__attribute__( ( always_inline ) ) __STATIC_INLINE 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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__attribute__( ( always_inline ) ) __STATIC_INLINE 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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__attribute__( ( always_inline ) ) __STATIC_INLINE 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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__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __get_PSP(void)
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{
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register uint32_t result;
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__ASM volatile ("MRS %0, psp\n" : "=r" (result) );
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return(result);
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}
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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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__attribute__( ( always_inline ) ) __STATIC_INLINE void __set_PSP(uint32_t topOfProcStack)
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{
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__ASM volatile ("MSR psp, %0\n" : : "r" (topOfProcStack) : "sp");
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}
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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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__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __get_MSP(void)
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{
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register uint32_t result;
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__ASM volatile ("MRS %0, msp\n" : "=r" (result) );
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return(result);
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}
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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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__attribute__( ( always_inline ) ) __STATIC_INLINE void __set_MSP(uint32_t topOfMainStack)
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{
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__ASM volatile ("MSR msp, %0\n" : : "r" (topOfMainStack) : "sp");
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}
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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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__attribute__( ( always_inline ) ) __STATIC_INLINE 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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/**
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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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__attribute__( ( always_inline ) ) __STATIC_INLINE 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 (__CORTEX_M >= 0x03U)
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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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__attribute__( ( always_inline ) ) __STATIC_INLINE 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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\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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__attribute__( ( always_inline ) ) __STATIC_INLINE 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
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*/
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__attribute__( ( always_inline ) ) __STATIC_INLINE 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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/**
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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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__attribute__( ( always_inline ) ) __STATIC_INLINE void __set_BASEPRI(uint32_t value)
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{
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__ASM volatile ("MSR basepri, %0" : : "r" (value) : "memory");
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}
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/**
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\brief Set Base Priority with condition
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\details Assigns the given value to the Base Priority register only if BASEPRI masking is disabled,
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or the new value increases the BASEPRI priority level.
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\param [in] basePri Base Priority value to set
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*/
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__attribute__( ( always_inline ) ) __STATIC_INLINE void __set_BASEPRI_MAX(uint32_t value)
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{
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__ASM volatile ("MSR basepri_max, %0" : : "r" (value) : "memory");
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}
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/**
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\brief Get Fault Mask
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\details Returns the current value of the Fault Mask register.
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\return Fault Mask register value
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*/
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__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __get_FAULTMASK(void)
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{
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uint32_t result;
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__ASM volatile ("MRS %0, faultmask" : "=r" (result) );
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return(result);
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}
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/**
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\brief Set Fault Mask
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\details Assigns the given value to the Fault Mask register.
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\param [in] faultMask Fault Mask value to set
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*/
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__attribute__( ( always_inline ) ) __STATIC_INLINE void __set_FAULTMASK(uint32_t faultMask)
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{
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__ASM volatile ("MSR faultmask, %0" : : "r" (faultMask) : "memory");
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}
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#endif /* (__CORTEX_M >= 0x03U) */
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#if (__CORTEX_M == 0x04U) || (__CORTEX_M == 0x07U)
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/**
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\brief Get FPSCR
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\details Returns the current value of the Floating Point Status/Control register.
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\return Floating Point Status/Control register value
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*/
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__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __get_FPSCR(void)
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{
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#if (__FPU_PRESENT == 1U) && (__FPU_USED == 1U)
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uint32_t result;
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/* Empty asm statement works as a scheduling barrier */
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__ASM volatile ("");
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__ASM volatile ("VMRS %0, fpscr" : "=r" (result) );
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__ASM volatile ("");
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return(result);
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#else
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return(0);
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#endif
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}
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/**
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\brief Set FPSCR
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\details Assigns the given value to the Floating Point Status/Control register.
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\param [in] fpscr Floating Point Status/Control value to set
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*/
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__attribute__( ( always_inline ) ) __STATIC_INLINE void __set_FPSCR(uint32_t fpscr)
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{
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#if (__FPU_PRESENT == 1U) && (__FPU_USED == 1U)
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/* Empty asm statement works as a scheduling barrier */
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__ASM volatile ("");
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__ASM volatile ("VMSR fpscr, %0" : : "r" (fpscr) : "vfpcc");
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__ASM volatile ("");
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#endif
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}
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#endif /* (__CORTEX_M == 0x04U) || (__CORTEX_M == 0x07U) */
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/*@} end of CMSIS_Core_RegAccFunctions */
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/* ########################## Core Instruction Access ######################### */
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/** \defgroup CMSIS_Core_InstructionInterface CMSIS Core Instruction Interface
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Access to dedicated instructions
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@{
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*/
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/* Define macros for porting to both thumb1 and thumb2.
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* For thumb1, use low register (r0-r7), specified by constraint "l"
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* Otherwise, use general registers, specified by constraint "r" */
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#if defined (__thumb__) && !defined (__thumb2__)
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#define __CMSIS_GCC_OUT_REG(r) "=l" (r)
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#define __CMSIS_GCC_USE_REG(r) "l" (r)
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#else
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#define __CMSIS_GCC_OUT_REG(r) "=r" (r)
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#define __CMSIS_GCC_USE_REG(r) "r" (r)
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#endif
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/**
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\brief No Operation
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\details No Operation does nothing. This instruction can be used for code alignment purposes.
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*/
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__attribute__((always_inline)) __STATIC_INLINE void __NOP(void)
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{
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__ASM volatile ("nop");
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}
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/**
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\brief Wait For Interrupt
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\details Wait For Interrupt is a hint instruction that suspends execution until one of a number of events occurs.
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*/
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__attribute__((always_inline)) __STATIC_INLINE void __WFI(void)
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{
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__ASM volatile ("wfi");
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}
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/**
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\brief Wait For Event
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\details Wait For Event is a hint instruction that permits the processor to enter
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a low-power state until one of a number of events occurs.
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*/
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__attribute__((always_inline)) __STATIC_INLINE void __WFE(void)
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{
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__ASM volatile ("wfe");
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}
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/**
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\brief Send Event
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\details Send Event is a hint instruction. It causes an event to be signaled to the CPU.
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*/
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__attribute__((always_inline)) __STATIC_INLINE void __SEV(void)
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{
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__ASM volatile ("sev");
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}
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/**
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\brief Instruction Synchronization Barrier
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\details Instruction Synchronization Barrier flushes the pipeline in the processor,
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so that all instructions following the ISB are fetched from cache or memory,
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after the instruction has been completed.
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*/
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__attribute__((always_inline)) __STATIC_INLINE void __ISB(void)
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{
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__ASM volatile ("isb 0xF":::"memory");
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}
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/**
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\brief Data Synchronization Barrier
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\details Acts as a special kind of Data Memory Barrier.
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It completes when all explicit memory accesses before this instruction complete.
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*/
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__attribute__((always_inline)) __STATIC_INLINE void __DSB(void)
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{
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__ASM volatile ("dsb 0xF":::"memory");
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}
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/**
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\brief Data Memory Barrier
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\details Ensures the apparent order of the explicit memory operations before
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and after the instruction, without ensuring their completion.
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*/
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__attribute__((always_inline)) __STATIC_INLINE void __DMB(void)
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{
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__ASM volatile ("dmb 0xF":::"memory");
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}
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/**
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\brief Reverse byte order (32 bit)
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\details Reverses the byte order in integer value.
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\param [in] value Value to reverse
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\return Reversed value
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*/
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__attribute__((always_inline)) __STATIC_INLINE uint32_t __REV(uint32_t value)
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{
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#if (__GNUC__ > 4) || (__GNUC__ == 4 && __GNUC_MINOR__ >= 5)
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return __builtin_bswap32(value);
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#else
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uint32_t result;
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__ASM volatile ("rev %0, %1" : __CMSIS_GCC_OUT_REG (result) : __CMSIS_GCC_USE_REG (value) );
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return(result);
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#endif
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}
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/**
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\brief Reverse byte order (16 bit)
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\details Reverses the byte order in two unsigned short values.
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\param [in] value Value to reverse
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\return Reversed value
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*/
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__attribute__((always_inline)) __STATIC_INLINE uint32_t __REV16(uint32_t value)
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{
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uint32_t result;
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__ASM volatile ("rev16 %0, %1" : __CMSIS_GCC_OUT_REG (result) : __CMSIS_GCC_USE_REG (value) );
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return(result);
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}
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/**
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\brief Reverse byte order in signed short value
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\details Reverses the byte order in a signed short value with sign extension to integer.
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\param [in] value Value to reverse
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\return Reversed value
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*/
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__attribute__((always_inline)) __STATIC_INLINE int32_t __REVSH(int32_t value)
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{
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#if (__GNUC__ > 4) || (__GNUC__ == 4 && __GNUC_MINOR__ >= 8)
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return (short)__builtin_bswap16(value);
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#else
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int32_t result;
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__ASM volatile ("revsh %0, %1" : __CMSIS_GCC_OUT_REG (result) : __CMSIS_GCC_USE_REG (value) );
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return(result);
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#endif
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}
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/**
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\brief Rotate Right in unsigned value (32 bit)
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\details Rotate Right (immediate) provides the value of the contents of a register rotated by a variable number of bits.
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\param [in] value Value to rotate
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\param [in] value Number of Bits to rotate
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\return Rotated value
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*/
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__attribute__((always_inline)) __STATIC_INLINE uint32_t __ROR(uint32_t op1, uint32_t op2)
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{
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return (op1 >> op2) | (op1 << (32U - op2));
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}
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/**
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\brief Breakpoint
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\details Causes the processor to enter Debug state.
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Debug tools can use this to investigate system state when the instruction at a particular address is reached.
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\param [in] value is ignored by the processor.
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If required, a debugger can use it to store additional information about the breakpoint.
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*/
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#define __BKPT(value) __ASM volatile ("bkpt "#value)
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/**
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\brief Reverse bit order of value
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\details Reverses the bit order of the given value.
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\param [in] value Value to reverse
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\return Reversed value
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*/
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|
__attribute__((always_inline)) __STATIC_INLINE uint32_t __RBIT(uint32_t value)
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{
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uint32_t result;
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#if (__CORTEX_M >= 0x03U) || (__CORTEX_SC >= 300U)
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__ASM volatile ("rbit %0, %1" : "=r" (result) : "r" (value) );
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#else
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int32_t s = 4 /*sizeof(v)*/ * 8 - 1; /* extra shift needed at end */
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|
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result = value; /* r will be reversed bits of v; first get LSB of v */
|
|
for (value >>= 1U; value; 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
|
|
*/
|
|
#define __CLZ __builtin_clz
|
|
|
|
|
|
#if (__CORTEX_M >= 0x03U) || (__CORTEX_SC >= 300U)
|
|
|
|
/**
|
|
\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)
|
|
*/
|
|
__attribute__((always_inline)) __STATIC_INLINE 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)
|
|
*/
|
|
__attribute__((always_inline)) __STATIC_INLINE 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)
|
|
*/
|
|
__attribute__((always_inline)) __STATIC_INLINE 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
|
|
*/
|
|
__attribute__((always_inline)) __STATIC_INLINE 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
|
|
*/
|
|
__attribute__((always_inline)) __STATIC_INLINE 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
|
|
*/
|
|
__attribute__((always_inline)) __STATIC_INLINE 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.
|
|
*/
|
|
__attribute__((always_inline)) __STATIC_INLINE void __CLREX(void)
|
|
{
|
|
__ASM volatile ("clrex" ::: "memory");
|
|
}
|
|
|
|
|
|
/**
|
|
\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(ARG1,ARG2) \
|
|
({ \
|
|
uint32_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] value Value to be saturated
|
|
\param [in] sat Bit position to saturate to (0..31)
|
|
\return Saturated value
|
|
*/
|
|
#define __USAT(ARG1,ARG2) \
|
|
({ \
|
|
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
|
|
*/
|
|
__attribute__((always_inline)) __STATIC_INLINE 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)
|
|
*/
|
|
__attribute__((always_inline)) __STATIC_INLINE uint8_t __LDRBT(volatile uint8_t *addr)
|
|
{
|
|
uint32_t result;
|
|
|
|
#if (__GNUC__ > 4) || (__GNUC__ == 4 && __GNUC_MINOR__ >= 8)
|
|
__ASM volatile ("ldrbt %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 ("ldrbt %0, [%1]" : "=r" (result) : "r" (addr) : "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)
|
|
*/
|
|
__attribute__((always_inline)) __STATIC_INLINE uint16_t __LDRHT(volatile uint16_t *addr)
|
|
{
|
|
uint32_t result;
|
|
|
|
#if (__GNUC__ > 4) || (__GNUC__ == 4 && __GNUC_MINOR__ >= 8)
|
|
__ASM volatile ("ldrht %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 ("ldrht %0, [%1]" : "=r" (result) : "r" (addr) : "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)
|
|
*/
|
|
__attribute__((always_inline)) __STATIC_INLINE uint32_t __LDRT(volatile uint32_t *addr)
|
|
{
|
|
uint32_t result;
|
|
|
|
__ASM volatile ("ldrt %0, %1" : "=r" (result) : "Q" (*addr) );
|
|
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
|
|
*/
|
|
__attribute__((always_inline)) __STATIC_INLINE void __STRBT(uint8_t value, volatile uint8_t *addr)
|
|
{
|
|
__ASM volatile ("strbt %1, %0" : "=Q" (*addr) : "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
|
|
*/
|
|
__attribute__((always_inline)) __STATIC_INLINE void __STRHT(uint16_t value, volatile uint16_t *addr)
|
|
{
|
|
__ASM volatile ("strht %1, %0" : "=Q" (*addr) : "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
|
|
*/
|
|
__attribute__((always_inline)) __STATIC_INLINE void __STRT(uint32_t value, volatile uint32_t *addr)
|
|
{
|
|
__ASM volatile ("strt %1, %0" : "=Q" (*addr) : "r" (value) );
|
|
}
|
|
|
|
#endif /* (__CORTEX_M >= 0x03U) || (__CORTEX_SC >= 300U) */
|
|
|
|
/*@}*/ /* end of group CMSIS_Core_InstructionInterface */
|
|
|
|
|
|
/* ################### Compiler specific Intrinsics ########################### */
|
|
/** \defgroup CMSIS_SIMD_intrinsics CMSIS SIMD Intrinsics
|
|
Access to dedicated SIMD instructions
|
|
@{
|
|
*/
|
|
|
|
#if (__CORTEX_M >= 0x04U) /* only for Cortex-M4 and above */
|
|
|
|
__attribute__( ( always_inline ) ) __STATIC_INLINE 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);
|
|
}
|
|
|
|
__attribute__( ( always_inline ) ) __STATIC_INLINE 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);
|
|
}
|
|
|
|
__attribute__( ( always_inline ) ) __STATIC_INLINE 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);
|
|
}
|
|
|
|
__attribute__( ( always_inline ) ) __STATIC_INLINE 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);
|
|
}
|
|
|
|
__attribute__( ( always_inline ) ) __STATIC_INLINE 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);
|
|
}
|
|
|
|
__attribute__( ( always_inline ) ) __STATIC_INLINE 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);
|
|
}
|
|
|
|
|
|
__attribute__( ( always_inline ) ) __STATIC_INLINE 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);
|
|
}
|
|
|
|
__attribute__( ( always_inline ) ) __STATIC_INLINE 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);
|
|
}
|
|
|
|
__attribute__( ( always_inline ) ) __STATIC_INLINE 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);
|
|
}
|
|
|
|
__attribute__( ( always_inline ) ) __STATIC_INLINE 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);
|
|
}
|
|
|
|
__attribute__( ( always_inline ) ) __STATIC_INLINE 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);
|
|
}
|
|
|
|
__attribute__( ( always_inline ) ) __STATIC_INLINE 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);
|
|
}
|
|
|
|
|
|
__attribute__( ( always_inline ) ) __STATIC_INLINE 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);
|
|
}
|
|
|
|
__attribute__( ( always_inline ) ) __STATIC_INLINE 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);
|
|
}
|
|
|
|
__attribute__( ( always_inline ) ) __STATIC_INLINE 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);
|
|
}
|
|
|
|
__attribute__( ( always_inline ) ) __STATIC_INLINE 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);
|
|
}
|
|
|
|
__attribute__( ( always_inline ) ) __STATIC_INLINE 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);
|
|
}
|
|
|
|
__attribute__( ( always_inline ) ) __STATIC_INLINE 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);
|
|
}
|
|
|
|
__attribute__( ( always_inline ) ) __STATIC_INLINE 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);
|
|
}
|
|
|
|
__attribute__( ( always_inline ) ) __STATIC_INLINE 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);
|
|
}
|
|
|
|
__attribute__( ( always_inline ) ) __STATIC_INLINE 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);
|
|
}
|
|
|
|
__attribute__( ( always_inline ) ) __STATIC_INLINE 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);
|
|
}
|
|
|
|
__attribute__( ( always_inline ) ) __STATIC_INLINE 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);
|
|
}
|
|
|
|
__attribute__( ( always_inline ) ) __STATIC_INLINE 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);
|
|
}
|
|
|
|
__attribute__( ( always_inline ) ) __STATIC_INLINE 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);
|
|
}
|
|
|
|
__attribute__( ( always_inline ) ) __STATIC_INLINE 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);
|
|
}
|
|
|
|
__attribute__( ( always_inline ) ) __STATIC_INLINE 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);
|
|
}
|
|
|
|
__attribute__( ( always_inline ) ) __STATIC_INLINE 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);
|
|
}
|
|
|
|
__attribute__( ( always_inline ) ) __STATIC_INLINE 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);
|
|
}
|
|
|
|
__attribute__( ( always_inline ) ) __STATIC_INLINE 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);
|
|
}
|
|
|
|
__attribute__( ( always_inline ) ) __STATIC_INLINE 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);
|
|
}
|
|
|
|
__attribute__( ( always_inline ) ) __STATIC_INLINE 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);
|
|
}
|
|
|
|
__attribute__( ( always_inline ) ) __STATIC_INLINE 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);
|
|
}
|
|
|
|
__attribute__( ( always_inline ) ) __STATIC_INLINE 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);
|
|
}
|
|
|
|
__attribute__( ( always_inline ) ) __STATIC_INLINE 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);
|
|
}
|
|
|
|
__attribute__( ( always_inline ) ) __STATIC_INLINE 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);
|
|
}
|
|
|
|
__attribute__( ( always_inline ) ) __STATIC_INLINE 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);
|
|
}
|
|
|
|
__attribute__( ( always_inline ) ) __STATIC_INLINE 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; \
|
|
})
|
|
|
|
__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __UXTB16(uint32_t op1)
|
|
{
|
|
uint32_t result;
|
|
|
|
__ASM volatile ("uxtb16 %0, %1" : "=r" (result) : "r" (op1));
|
|
return(result);
|
|
}
|
|
|
|
__attribute__( ( always_inline ) ) __STATIC_INLINE 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);
|
|
}
|
|
|
|
__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __SXTB16(uint32_t op1)
|
|
{
|
|
uint32_t result;
|
|
|
|
__ASM volatile ("sxtb16 %0, %1" : "=r" (result) : "r" (op1));
|
|
return(result);
|
|
}
|
|
|
|
__attribute__( ( always_inline ) ) __STATIC_INLINE 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);
|
|
}
|
|
|
|
__attribute__( ( always_inline ) ) __STATIC_INLINE 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);
|
|
}
|
|
|
|
__attribute__( ( always_inline ) ) __STATIC_INLINE 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);
|
|
}
|
|
|
|
__attribute__( ( always_inline ) ) __STATIC_INLINE 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);
|
|
}
|
|
|
|
__attribute__( ( always_inline ) ) __STATIC_INLINE 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);
|
|
}
|
|
|
|
__attribute__( ( always_inline ) ) __STATIC_INLINE 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);
|
|
}
|
|
|
|
__attribute__( ( always_inline ) ) __STATIC_INLINE 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);
|
|
}
|
|
|
|
__attribute__( ( always_inline ) ) __STATIC_INLINE 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);
|
|
}
|
|
|
|
__attribute__( ( always_inline ) ) __STATIC_INLINE 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);
|
|
}
|
|
|
|
__attribute__( ( always_inline ) ) __STATIC_INLINE 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);
|
|
}
|
|
|
|
__attribute__( ( always_inline ) ) __STATIC_INLINE 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);
|
|
}
|
|
|
|
__attribute__( ( always_inline ) ) __STATIC_INLINE 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);
|
|
}
|
|
|
|
__attribute__( ( always_inline ) ) __STATIC_INLINE 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);
|
|
}
|
|
|
|
__attribute__( ( always_inline ) ) __STATIC_INLINE 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);
|
|
}
|
|
|
|
__attribute__( ( always_inline ) ) __STATIC_INLINE 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);
|
|
}
|
|
|
|
__attribute__( ( always_inline ) ) __STATIC_INLINE 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);
|
|
}
|
|
|
|
#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; \
|
|
})
|
|
|
|
__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_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 /* (__CORTEX_M >= 0x04) */
|
|
/*@} end of group CMSIS_SIMD_intrinsics */
|
|
|
|
|
|
#if defined ( __GNUC__ )
|
|
#pragma GCC diagnostic pop
|
|
#endif
|
|
|
|
#endif /* __CMSIS_GCC_H */
|