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Diff: targets/cmsis/core_cmFunc.h
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diff -r 423e1876dc07 -r ef7eb2e8f9f7 targets/cmsis/core_cmFunc.h --- a/targets/cmsis/core_cmFunc.h Tue Aug 02 14:07:36 2016 +0000 +++ b/targets/cmsis/core_cmFunc.h Fri Sep 02 15:07:44 2016 +0100 @@ -1,664 +1,664 @@ -/**************************************************************************//** - * @file core_cmFunc.h - * @brief CMSIS Cortex-M Core Function Access Header File - * @version V4.10 - * @date 18. March 2015 - * - * @note - * - ******************************************************************************/ -/* Copyright (c) 2009 - 2015 ARM LIMITED - - All rights reserved. - Redistribution and use in source and binary forms, with or without - modification, are permitted provided that the following conditions are met: - - Redistributions of source code must retain the above copyright - notice, this list of conditions and the following disclaimer. - - Redistributions in binary form must reproduce the above copyright - notice, this list of conditions and the following disclaimer in the - documentation and/or other materials provided with the distribution. - - Neither the name of ARM nor the names of its contributors may be used - to endorse or promote products derived from this software without - specific prior written permission. - * - THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE - LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - POSSIBILITY OF SUCH DAMAGE. - ---------------------------------------------------------------------------*/ - - -#ifndef __CORE_CMFUNC_H -#define __CORE_CMFUNC_H - - -/* ########################### Core Function Access ########################### */ -/** \ingroup CMSIS_Core_FunctionInterface - \defgroup CMSIS_Core_RegAccFunctions CMSIS Core Register Access Functions - @{ - */ - -#if defined ( __CC_ARM ) /*------------------RealView Compiler -----------------*/ -/* ARM armcc specific functions */ - -#if (__ARMCC_VERSION < 400677) - #error "Please use ARM Compiler Toolchain V4.0.677 or later!" -#endif - -/* intrinsic void __enable_irq(); */ -/* intrinsic void __disable_irq(); */ - -/** \brief Get Control Register - - This function returns the content of the Control Register. - - \return Control Register value - */ -__STATIC_INLINE uint32_t __get_CONTROL(void) -{ - register uint32_t __regControl __ASM("control"); - return(__regControl); -} - - -/** \brief Set Control Register - - This function writes the given value to the Control Register. - - \param [in] control Control Register value to set - */ -__STATIC_INLINE void __set_CONTROL(uint32_t control) -{ - register uint32_t __regControl __ASM("control"); - __regControl = control; -} - - -/** \brief Get IPSR Register - - This function returns the content of the IPSR Register. - - \return IPSR Register value - */ -__STATIC_INLINE uint32_t __get_IPSR(void) -{ - register uint32_t __regIPSR __ASM("ipsr"); - return(__regIPSR); -} - - -/** \brief Get APSR Register - - This function returns the content of the APSR Register. - - \return APSR Register value - */ -__STATIC_INLINE uint32_t __get_APSR(void) -{ - register uint32_t __regAPSR __ASM("apsr"); - return(__regAPSR); -} - - -/** \brief Get xPSR Register - - This function returns the content of the xPSR Register. - - \return xPSR Register value - */ -__STATIC_INLINE uint32_t __get_xPSR(void) -{ - register uint32_t __regXPSR __ASM("xpsr"); - return(__regXPSR); -} - - -/** \brief Get Process Stack Pointer - - This function returns the current value of the Process Stack Pointer (PSP). - - \return PSP Register value - */ -__STATIC_INLINE uint32_t __get_PSP(void) -{ - register uint32_t __regProcessStackPointer __ASM("psp"); - return(__regProcessStackPointer); -} - - -/** \brief Set Process Stack Pointer - - This function assigns the given value to the Process Stack Pointer (PSP). - - \param [in] topOfProcStack Process Stack Pointer value to set - */ -__STATIC_INLINE void __set_PSP(uint32_t topOfProcStack) -{ - register uint32_t __regProcessStackPointer __ASM("psp"); - __regProcessStackPointer = topOfProcStack; -} - - -/** \brief Get Main Stack Pointer - - This function returns the current value of the Main Stack Pointer (MSP). - - \return MSP Register value - */ -__STATIC_INLINE uint32_t __get_MSP(void) -{ - register uint32_t __regMainStackPointer __ASM("msp"); - return(__regMainStackPointer); -} - - -/** \brief Set Main Stack Pointer - - This function assigns the given value to the Main Stack Pointer (MSP). - - \param [in] topOfMainStack Main Stack Pointer value to set - */ -__STATIC_INLINE void __set_MSP(uint32_t topOfMainStack) -{ - register uint32_t __regMainStackPointer __ASM("msp"); - __regMainStackPointer = topOfMainStack; -} - - -/** \brief Get Priority Mask - - This function returns the current state of the priority mask bit from the Priority Mask Register. - - \return Priority Mask value - */ -__STATIC_INLINE uint32_t __get_PRIMASK(void) -{ - register uint32_t __regPriMask __ASM("primask"); - return(__regPriMask); -} - - -/** \brief Set Priority Mask - - This function assigns the given value to the Priority Mask Register. - - \param [in] priMask Priority Mask - */ -__STATIC_INLINE void __set_PRIMASK(uint32_t priMask) -{ - register uint32_t __regPriMask __ASM("primask"); - __regPriMask = (priMask); -} - - -#if (__CORTEX_M >= 0x03) || (__CORTEX_SC >= 300) - -/** \brief Enable FIQ - - This function enables FIQ interrupts by clearing the F-bit in the CPSR. - Can only be executed in Privileged modes. - */ -#define __enable_fault_irq __enable_fiq - - -/** \brief Disable FIQ - - This function disables FIQ interrupts by setting the F-bit in the CPSR. - Can only be executed in Privileged modes. - */ -#define __disable_fault_irq __disable_fiq - - -/** \brief Get Base Priority - - This function returns the current value of the Base Priority register. - - \return Base Priority register value - */ -__STATIC_INLINE uint32_t __get_BASEPRI(void) -{ - register uint32_t __regBasePri __ASM("basepri"); - return(__regBasePri); -} - - -/** \brief Set Base Priority - - This function assigns the given value to the Base Priority register. - - \param [in] basePri Base Priority value to set - */ -__STATIC_INLINE void __set_BASEPRI(uint32_t basePri) -{ - register uint32_t __regBasePri __ASM("basepri"); - __regBasePri = (basePri & 0xff); -} - - -/** \brief Set Base Priority with condition - - This function 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_INLINE void __set_BASEPRI_MAX(uint32_t basePri) -{ - register uint32_t __regBasePriMax __ASM("basepri_max"); - __regBasePriMax = (basePri & 0xff); -} - - -/** \brief Get Fault Mask - - This function returns the current value of the Fault Mask register. - - \return Fault Mask register value - */ -__STATIC_INLINE uint32_t __get_FAULTMASK(void) -{ - register uint32_t __regFaultMask __ASM("faultmask"); - return(__regFaultMask); -} - - -/** \brief Set Fault Mask - - This function assigns the given value to the Fault Mask register. - - \param [in] faultMask Fault Mask value to set - */ -__STATIC_INLINE void __set_FAULTMASK(uint32_t faultMask) -{ - register uint32_t __regFaultMask __ASM("faultmask"); - __regFaultMask = (faultMask & (uint32_t)1); -} - -#endif /* (__CORTEX_M >= 0x03) || (__CORTEX_SC >= 300) */ - - -#if (__CORTEX_M == 0x04) || (__CORTEX_M == 0x07) - -/** \brief Get FPSCR - - This function returns the current value of the Floating Point Status/Control register. - - \return Floating Point Status/Control register value - */ -__STATIC_INLINE uint32_t __get_FPSCR(void) -{ -#if (__FPU_PRESENT == 1) && (__FPU_USED == 1) - register uint32_t __regfpscr __ASM("fpscr"); - return(__regfpscr); -#else - return(0); -#endif -} - - -/** \brief Set FPSCR - - This function assigns the given value to the Floating Point Status/Control register. - - \param [in] fpscr Floating Point Status/Control value to set - */ -__STATIC_INLINE void __set_FPSCR(uint32_t fpscr) -{ -#if (__FPU_PRESENT == 1) && (__FPU_USED == 1) - register uint32_t __regfpscr __ASM("fpscr"); - __regfpscr = (fpscr); -#endif -} - -#endif /* (__CORTEX_M == 0x04) || (__CORTEX_M == 0x07) */ - - -#elif defined ( __GNUC__ ) /*------------------ GNU Compiler ---------------------*/ -/* GNU gcc specific functions */ - -/** \brief Enable IRQ Interrupts - - This function enables IRQ interrupts by clearing the I-bit in the CPSR. - Can only be executed in Privileged modes. - */ -__attribute__( ( always_inline ) ) __STATIC_INLINE void __enable_irq(void) -{ - __ASM volatile ("cpsie i" : : : "memory"); -} - - -/** \brief Disable IRQ Interrupts - - This function disables IRQ interrupts by setting the I-bit in the CPSR. - Can only be executed in Privileged modes. - */ -__attribute__( ( always_inline ) ) __STATIC_INLINE void __disable_irq(void) -{ - __ASM volatile ("cpsid i" : : : "memory"); -} - - -/** \brief Get Control Register - - This function returns the content of the Control Register. - - \return Control Register value - */ -__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __get_CONTROL(void) -{ - uint32_t result; - - __ASM volatile ("MRS %0, control" : "=r" (result) ); - return(result); -} - - -/** \brief Set Control Register - - This function writes the given value to the Control Register. - - \param [in] control Control Register value to set - */ -__attribute__( ( always_inline ) ) __STATIC_INLINE void __set_CONTROL(uint32_t control) -{ - __ASM volatile ("MSR control, %0" : : "r" (control) : "memory"); -} - - -/** \brief Get IPSR Register - - This function returns the content of the IPSR Register. - - \return IPSR Register value - */ -__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __get_IPSR(void) -{ - uint32_t result; - - __ASM volatile ("MRS %0, ipsr" : "=r" (result) ); - return(result); -} - - -/** \brief Get APSR Register - - This function returns the content of the APSR Register. - - \return APSR Register value - */ -__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __get_APSR(void) -{ - uint32_t result; - - __ASM volatile ("MRS %0, apsr" : "=r" (result) ); - return(result); -} - - -/** \brief Get xPSR Register - - This function returns the content of the xPSR Register. - - \return xPSR Register value - */ -__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __get_xPSR(void) -{ - uint32_t result; - - __ASM volatile ("MRS %0, xpsr" : "=r" (result) ); - return(result); -} - - -/** \brief Get Process Stack Pointer - - This function returns the current value of the Process Stack Pointer (PSP). - - \return PSP Register value - */ -__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __get_PSP(void) -{ - register uint32_t result; - - __ASM volatile ("MRS %0, psp\n" : "=r" (result) ); - return(result); -} - - -/** \brief Set Process Stack Pointer - - This function assigns the given value to the Process Stack Pointer (PSP). - - \param [in] topOfProcStack Process Stack Pointer value to set - */ -__attribute__( ( always_inline ) ) __STATIC_INLINE void __set_PSP(uint32_t topOfProcStack) -{ - __ASM volatile ("MSR psp, %0\n" : : "r" (topOfProcStack) : "sp"); -} - - -/** \brief Get Main Stack Pointer - - This function returns the current value of the Main Stack Pointer (MSP). - - \return MSP Register value - */ -__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __get_MSP(void) -{ - register uint32_t result; - - __ASM volatile ("MRS %0, msp\n" : "=r" (result) ); - return(result); -} - - -/** \brief Set Main Stack Pointer - - This function assigns the given value to the Main Stack Pointer (MSP). - - \param [in] topOfMainStack Main Stack Pointer value to set - */ -__attribute__( ( always_inline ) ) __STATIC_INLINE void __set_MSP(uint32_t topOfMainStack) -{ - __ASM volatile ("MSR msp, %0\n" : : "r" (topOfMainStack) : "sp"); -} - - -/** \brief Get Priority Mask - - This function returns the current state of the priority mask bit from the Priority Mask Register. - - \return Priority Mask value - */ -__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __get_PRIMASK(void) -{ - uint32_t result; - - __ASM volatile ("MRS %0, primask" : "=r" (result) ); - return(result); -} - - -/** \brief Set Priority Mask - - This function assigns the given value to the Priority Mask Register. - - \param [in] priMask Priority Mask - */ -__attribute__( ( always_inline ) ) __STATIC_INLINE void __set_PRIMASK(uint32_t priMask) -{ - __ASM volatile ("MSR primask, %0" : : "r" (priMask) : "memory"); -} - - -#if (__CORTEX_M >= 0x03) - -/** \brief Enable FIQ - - This function enables FIQ interrupts by clearing the F-bit in the CPSR. - Can only be executed in Privileged modes. - */ -__attribute__( ( always_inline ) ) __STATIC_INLINE void __enable_fault_irq(void) -{ - __ASM volatile ("cpsie f" : : : "memory"); -} - - -/** \brief Disable FIQ - - This function disables FIQ interrupts by setting the F-bit in the CPSR. - Can only be executed in Privileged modes. - */ -__attribute__( ( always_inline ) ) __STATIC_INLINE void __disable_fault_irq(void) -{ - __ASM volatile ("cpsid f" : : : "memory"); -} - - -/** \brief Get Base Priority - - This function returns the current value of the Base Priority register. - - \return Base Priority register value - */ -__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __get_BASEPRI(void) -{ - uint32_t result; - - __ASM volatile ("MRS %0, basepri" : "=r" (result) ); - return(result); -} - - -/** \brief Set Base Priority - - This function assigns the given value to the Base Priority register. - - \param [in] basePri Base Priority value to set - */ -__attribute__( ( always_inline ) ) __STATIC_INLINE void __set_BASEPRI(uint32_t value) -{ - __ASM volatile ("MSR basepri, %0" : : "r" (value) : "memory"); -} - - -/** \brief Set Base Priority with condition - - This function 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 - */ -__attribute__( ( always_inline ) ) __STATIC_INLINE void __set_BASEPRI_MAX(uint32_t value) -{ - __ASM volatile ("MSR basepri_max, %0" : : "r" (value) : "memory"); -} - - -/** \brief Get Fault Mask - - This function returns the current value of the Fault Mask register. - - \return Fault Mask register value - */ -__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __get_FAULTMASK(void) -{ - uint32_t result; - - __ASM volatile ("MRS %0, faultmask" : "=r" (result) ); - return(result); -} - - -/** \brief Set Fault Mask - - This function assigns the given value to the Fault Mask register. - - \param [in] faultMask Fault Mask value to set - */ -__attribute__( ( always_inline ) ) __STATIC_INLINE void __set_FAULTMASK(uint32_t faultMask) -{ - __ASM volatile ("MSR faultmask, %0" : : "r" (faultMask) : "memory"); -} - -#endif /* (__CORTEX_M >= 0x03) */ - - -#if (__CORTEX_M == 0x04) || (__CORTEX_M == 0x07) - -/** \brief Get FPSCR - - This function returns the current value of the Floating Point Status/Control register. - - \return Floating Point Status/Control register value - */ -__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __get_FPSCR(void) -{ -#if (__FPU_PRESENT == 1) && (__FPU_USED == 1) - uint32_t result; - - /* Empty asm statement works as a scheduling barrier */ - __ASM volatile (""); - __ASM volatile ("VMRS %0, fpscr" : "=r" (result) ); - __ASM volatile (""); - return(result); -#else - return(0); -#endif -} - - -/** \brief Set FPSCR - - This function assigns the given value to the Floating Point Status/Control register. - - \param [in] fpscr Floating Point Status/Control value to set - */ -__attribute__( ( always_inline ) ) __STATIC_INLINE void __set_FPSCR(uint32_t fpscr) -{ -#if (__FPU_PRESENT == 1) && (__FPU_USED == 1) - /* Empty asm statement works as a scheduling barrier */ - __ASM volatile (""); - __ASM volatile ("VMSR fpscr, %0" : : "r" (fpscr) : "vfpcc"); - __ASM volatile (""); -#endif -} - -#endif /* (__CORTEX_M == 0x04) || (__CORTEX_M == 0x07) */ - - -#elif defined ( __ICCARM__ ) /*------------------ ICC Compiler -------------------*/ -/* IAR iccarm specific functions */ -#include <cmsis_iar.h> - - -#elif defined ( __TMS470__ ) /*---------------- TI CCS Compiler ------------------*/ -/* TI CCS specific functions */ -#include <cmsis_ccs.h> - - -#elif defined ( __TASKING__ ) /*------------------ TASKING Compiler --------------*/ -/* TASKING carm specific functions */ -/* - * The CMSIS functions have been implemented as intrinsics in the compiler. - * Please use "carm -?i" to get an up to date list of all intrinsics, - * Including the CMSIS ones. - */ - - -#elif defined ( __CSMC__ ) /*------------------ COSMIC Compiler -------------------*/ -/* Cosmic specific functions */ -#include <cmsis_csm.h> - -#endif - -/*@} end of CMSIS_Core_RegAccFunctions */ - -#endif /* __CORE_CMFUNC_H */ +/**************************************************************************//** + * @file core_cmFunc.h + * @brief CMSIS Cortex-M Core Function Access Header File + * @version V4.10 + * @date 18. March 2015 + * + * @note + * + ******************************************************************************/ +/* Copyright (c) 2009 - 2015 ARM LIMITED + + All rights reserved. + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions are met: + - Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + - Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in the + documentation and/or other materials provided with the distribution. + - Neither the name of ARM nor the names of its contributors may be used + to endorse or promote products derived from this software without + specific prior written permission. + * + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE + LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + POSSIBILITY OF SUCH DAMAGE. + ---------------------------------------------------------------------------*/ + + +#ifndef __CORE_CMFUNC_H +#define __CORE_CMFUNC_H + + +/* ########################### Core Function Access ########################### */ +/** \ingroup CMSIS_Core_FunctionInterface + \defgroup CMSIS_Core_RegAccFunctions CMSIS Core Register Access Functions + @{ + */ + +#if defined ( __CC_ARM ) /*------------------RealView Compiler -----------------*/ +/* ARM armcc specific functions */ + +#if (__ARMCC_VERSION < 400677) + #error "Please use ARM Compiler Toolchain V4.0.677 or later!" +#endif + +/* intrinsic void __enable_irq(); */ +/* intrinsic void __disable_irq(); */ + +/** \brief Get Control Register + + This function returns the content of the Control Register. + + \return Control Register value + */ +__STATIC_INLINE uint32_t __get_CONTROL(void) +{ + register uint32_t __regControl __ASM("control"); + return(__regControl); +} + + +/** \brief Set Control Register + + This function writes the given value to the Control Register. + + \param [in] control Control Register value to set + */ +__STATIC_INLINE void __set_CONTROL(uint32_t control) +{ + register uint32_t __regControl __ASM("control"); + __regControl = control; +} + + +/** \brief Get IPSR Register + + This function returns the content of the IPSR Register. + + \return IPSR Register value + */ +__STATIC_INLINE uint32_t __get_IPSR(void) +{ + register uint32_t __regIPSR __ASM("ipsr"); + return(__regIPSR); +} + + +/** \brief Get APSR Register + + This function returns the content of the APSR Register. + + \return APSR Register value + */ +__STATIC_INLINE uint32_t __get_APSR(void) +{ + register uint32_t __regAPSR __ASM("apsr"); + return(__regAPSR); +} + + +/** \brief Get xPSR Register + + This function returns the content of the xPSR Register. + + \return xPSR Register value + */ +__STATIC_INLINE uint32_t __get_xPSR(void) +{ + register uint32_t __regXPSR __ASM("xpsr"); + return(__regXPSR); +} + + +/** \brief Get Process Stack Pointer + + This function returns the current value of the Process Stack Pointer (PSP). + + \return PSP Register value + */ +__STATIC_INLINE uint32_t __get_PSP(void) +{ + register uint32_t __regProcessStackPointer __ASM("psp"); + return(__regProcessStackPointer); +} + + +/** \brief Set Process Stack Pointer + + This function assigns the given value to the Process Stack Pointer (PSP). + + \param [in] topOfProcStack Process Stack Pointer value to set + */ +__STATIC_INLINE void __set_PSP(uint32_t topOfProcStack) +{ + register uint32_t __regProcessStackPointer __ASM("psp"); + __regProcessStackPointer = topOfProcStack; +} + + +/** \brief Get Main Stack Pointer + + This function returns the current value of the Main Stack Pointer (MSP). + + \return MSP Register value + */ +__STATIC_INLINE uint32_t __get_MSP(void) +{ + register uint32_t __regMainStackPointer __ASM("msp"); + return(__regMainStackPointer); +} + + +/** \brief Set Main Stack Pointer + + This function assigns the given value to the Main Stack Pointer (MSP). + + \param [in] topOfMainStack Main Stack Pointer value to set + */ +__STATIC_INLINE void __set_MSP(uint32_t topOfMainStack) +{ + register uint32_t __regMainStackPointer __ASM("msp"); + __regMainStackPointer = topOfMainStack; +} + + +/** \brief Get Priority Mask + + This function returns the current state of the priority mask bit from the Priority Mask Register. + + \return Priority Mask value + */ +__STATIC_INLINE uint32_t __get_PRIMASK(void) +{ + register uint32_t __regPriMask __ASM("primask"); + return(__regPriMask); +} + + +/** \brief Set Priority Mask + + This function assigns the given value to the Priority Mask Register. + + \param [in] priMask Priority Mask + */ +__STATIC_INLINE void __set_PRIMASK(uint32_t priMask) +{ + register uint32_t __regPriMask __ASM("primask"); + __regPriMask = (priMask); +} + + +#if (__CORTEX_M >= 0x03) || (__CORTEX_SC >= 300) + +/** \brief Enable FIQ + + This function enables FIQ interrupts by clearing the F-bit in the CPSR. + Can only be executed in Privileged modes. + */ +#define __enable_fault_irq __enable_fiq + + +/** \brief Disable FIQ + + This function disables FIQ interrupts by setting the F-bit in the CPSR. + Can only be executed in Privileged modes. + */ +#define __disable_fault_irq __disable_fiq + + +/** \brief Get Base Priority + + This function returns the current value of the Base Priority register. + + \return Base Priority register value + */ +__STATIC_INLINE uint32_t __get_BASEPRI(void) +{ + register uint32_t __regBasePri __ASM("basepri"); + return(__regBasePri); +} + + +/** \brief Set Base Priority + + This function assigns the given value to the Base Priority register. + + \param [in] basePri Base Priority value to set + */ +__STATIC_INLINE void __set_BASEPRI(uint32_t basePri) +{ + register uint32_t __regBasePri __ASM("basepri"); + __regBasePri = (basePri & 0xff); +} + + +/** \brief Set Base Priority with condition + + This function 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_INLINE void __set_BASEPRI_MAX(uint32_t basePri) +{ + register uint32_t __regBasePriMax __ASM("basepri_max"); + __regBasePriMax = (basePri & 0xff); +} + + +/** \brief Get Fault Mask + + This function returns the current value of the Fault Mask register. + + \return Fault Mask register value + */ +__STATIC_INLINE uint32_t __get_FAULTMASK(void) +{ + register uint32_t __regFaultMask __ASM("faultmask"); + return(__regFaultMask); +} + + +/** \brief Set Fault Mask + + This function assigns the given value to the Fault Mask register. + + \param [in] faultMask Fault Mask value to set + */ +__STATIC_INLINE void __set_FAULTMASK(uint32_t faultMask) +{ + register uint32_t __regFaultMask __ASM("faultmask"); + __regFaultMask = (faultMask & (uint32_t)1); +} + +#endif /* (__CORTEX_M >= 0x03) || (__CORTEX_SC >= 300) */ + + +#if (__CORTEX_M == 0x04) || (__CORTEX_M == 0x07) + +/** \brief Get FPSCR + + This function returns the current value of the Floating Point Status/Control register. + + \return Floating Point Status/Control register value + */ +__STATIC_INLINE uint32_t __get_FPSCR(void) +{ +#if (__FPU_PRESENT == 1) && (__FPU_USED == 1) + register uint32_t __regfpscr __ASM("fpscr"); + return(__regfpscr); +#else + return(0); +#endif +} + + +/** \brief Set FPSCR + + This function assigns the given value to the Floating Point Status/Control register. + + \param [in] fpscr Floating Point Status/Control value to set + */ +__STATIC_INLINE void __set_FPSCR(uint32_t fpscr) +{ +#if (__FPU_PRESENT == 1) && (__FPU_USED == 1) + register uint32_t __regfpscr __ASM("fpscr"); + __regfpscr = (fpscr); +#endif +} + +#endif /* (__CORTEX_M == 0x04) || (__CORTEX_M == 0x07) */ + + +#elif defined ( __GNUC__ ) /*------------------ GNU Compiler ---------------------*/ +/* GNU gcc specific functions */ + +/** \brief Enable IRQ Interrupts + + This function enables IRQ interrupts by clearing the I-bit in the CPSR. + Can only be executed in Privileged modes. + */ +__attribute__( ( always_inline ) ) __STATIC_INLINE void __enable_irq(void) +{ + __ASM volatile ("cpsie i" : : : "memory"); +} + + +/** \brief Disable IRQ Interrupts + + This function disables IRQ interrupts by setting the I-bit in the CPSR. + Can only be executed in Privileged modes. + */ +__attribute__( ( always_inline ) ) __STATIC_INLINE void __disable_irq(void) +{ + __ASM volatile ("cpsid i" : : : "memory"); +} + + +/** \brief Get Control Register + + This function returns the content of the Control Register. + + \return Control Register value + */ +__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __get_CONTROL(void) +{ + uint32_t result; + + __ASM volatile ("MRS %0, control" : "=r" (result) ); + return(result); +} + + +/** \brief Set Control Register + + This function writes the given value to the Control Register. + + \param [in] control Control Register value to set + */ +__attribute__( ( always_inline ) ) __STATIC_INLINE void __set_CONTROL(uint32_t control) +{ + __ASM volatile ("MSR control, %0" : : "r" (control) : "memory"); +} + + +/** \brief Get IPSR Register + + This function returns the content of the IPSR Register. + + \return IPSR Register value + */ +__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __get_IPSR(void) +{ + uint32_t result; + + __ASM volatile ("MRS %0, ipsr" : "=r" (result) ); + return(result); +} + + +/** \brief Get APSR Register + + This function returns the content of the APSR Register. + + \return APSR Register value + */ +__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __get_APSR(void) +{ + uint32_t result; + + __ASM volatile ("MRS %0, apsr" : "=r" (result) ); + return(result); +} + + +/** \brief Get xPSR Register + + This function returns the content of the xPSR Register. + + \return xPSR Register value + */ +__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __get_xPSR(void) +{ + uint32_t result; + + __ASM volatile ("MRS %0, xpsr" : "=r" (result) ); + return(result); +} + + +/** \brief Get Process Stack Pointer + + This function returns the current value of the Process Stack Pointer (PSP). + + \return PSP Register value + */ +__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __get_PSP(void) +{ + register uint32_t result; + + __ASM volatile ("MRS %0, psp\n" : "=r" (result) ); + return(result); +} + + +/** \brief Set Process Stack Pointer + + This function assigns the given value to the Process Stack Pointer (PSP). + + \param [in] topOfProcStack Process Stack Pointer value to set + */ +__attribute__( ( always_inline ) ) __STATIC_INLINE void __set_PSP(uint32_t topOfProcStack) +{ + __ASM volatile ("MSR psp, %0\n" : : "r" (topOfProcStack) : "sp"); +} + + +/** \brief Get Main Stack Pointer + + This function returns the current value of the Main Stack Pointer (MSP). + + \return MSP Register value + */ +__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __get_MSP(void) +{ + register uint32_t result; + + __ASM volatile ("MRS %0, msp\n" : "=r" (result) ); + return(result); +} + + +/** \brief Set Main Stack Pointer + + This function assigns the given value to the Main Stack Pointer (MSP). + + \param [in] topOfMainStack Main Stack Pointer value to set + */ +__attribute__( ( always_inline ) ) __STATIC_INLINE void __set_MSP(uint32_t topOfMainStack) +{ + __ASM volatile ("MSR msp, %0\n" : : "r" (topOfMainStack) : "sp"); +} + + +/** \brief Get Priority Mask + + This function returns the current state of the priority mask bit from the Priority Mask Register. + + \return Priority Mask value + */ +__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __get_PRIMASK(void) +{ + uint32_t result; + + __ASM volatile ("MRS %0, primask" : "=r" (result) ); + return(result); +} + + +/** \brief Set Priority Mask + + This function assigns the given value to the Priority Mask Register. + + \param [in] priMask Priority Mask + */ +__attribute__( ( always_inline ) ) __STATIC_INLINE void __set_PRIMASK(uint32_t priMask) +{ + __ASM volatile ("MSR primask, %0" : : "r" (priMask) : "memory"); +} + + +#if (__CORTEX_M >= 0x03) + +/** \brief Enable FIQ + + This function enables FIQ interrupts by clearing the F-bit in the CPSR. + Can only be executed in Privileged modes. + */ +__attribute__( ( always_inline ) ) __STATIC_INLINE void __enable_fault_irq(void) +{ + __ASM volatile ("cpsie f" : : : "memory"); +} + + +/** \brief Disable FIQ + + This function disables FIQ interrupts by setting the F-bit in the CPSR. + Can only be executed in Privileged modes. + */ +__attribute__( ( always_inline ) ) __STATIC_INLINE void __disable_fault_irq(void) +{ + __ASM volatile ("cpsid f" : : : "memory"); +} + + +/** \brief Get Base Priority + + This function returns the current value of the Base Priority register. + + \return Base Priority register value + */ +__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __get_BASEPRI(void) +{ + uint32_t result; + + __ASM volatile ("MRS %0, basepri" : "=r" (result) ); + return(result); +} + + +/** \brief Set Base Priority + + This function assigns the given value to the Base Priority register. + + \param [in] basePri Base Priority value to set + */ +__attribute__( ( always_inline ) ) __STATIC_INLINE void __set_BASEPRI(uint32_t value) +{ + __ASM volatile ("MSR basepri, %0" : : "r" (value) : "memory"); +} + + +/** \brief Set Base Priority with condition + + This function 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 + */ +__attribute__( ( always_inline ) ) __STATIC_INLINE void __set_BASEPRI_MAX(uint32_t value) +{ + __ASM volatile ("MSR basepri_max, %0" : : "r" (value) : "memory"); +} + + +/** \brief Get Fault Mask + + This function returns the current value of the Fault Mask register. + + \return Fault Mask register value + */ +__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __get_FAULTMASK(void) +{ + uint32_t result; + + __ASM volatile ("MRS %0, faultmask" : "=r" (result) ); + return(result); +} + + +/** \brief Set Fault Mask + + This function assigns the given value to the Fault Mask register. + + \param [in] faultMask Fault Mask value to set + */ +__attribute__( ( always_inline ) ) __STATIC_INLINE void __set_FAULTMASK(uint32_t faultMask) +{ + __ASM volatile ("MSR faultmask, %0" : : "r" (faultMask) : "memory"); +} + +#endif /* (__CORTEX_M >= 0x03) */ + + +#if (__CORTEX_M == 0x04) || (__CORTEX_M == 0x07) + +/** \brief Get FPSCR + + This function returns the current value of the Floating Point Status/Control register. + + \return Floating Point Status/Control register value + */ +__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __get_FPSCR(void) +{ +#if (__FPU_PRESENT == 1) && (__FPU_USED == 1) + uint32_t result; + + /* Empty asm statement works as a scheduling barrier */ + __ASM volatile (""); + __ASM volatile ("VMRS %0, fpscr" : "=r" (result) ); + __ASM volatile (""); + return(result); +#else + return(0); +#endif +} + + +/** \brief Set FPSCR + + This function assigns the given value to the Floating Point Status/Control register. + + \param [in] fpscr Floating Point Status/Control value to set + */ +__attribute__( ( always_inline ) ) __STATIC_INLINE void __set_FPSCR(uint32_t fpscr) +{ +#if (__FPU_PRESENT == 1) && (__FPU_USED == 1) + /* Empty asm statement works as a scheduling barrier */ + __ASM volatile (""); + __ASM volatile ("VMSR fpscr, %0" : : "r" (fpscr) : "vfpcc"); + __ASM volatile (""); +#endif +} + +#endif /* (__CORTEX_M == 0x04) || (__CORTEX_M == 0x07) */ + + +#elif defined ( __ICCARM__ ) /*------------------ ICC Compiler -------------------*/ +/* IAR iccarm specific functions */ +#include <cmsis_iar.h> + + +#elif defined ( __TMS470__ ) /*---------------- TI CCS Compiler ------------------*/ +/* TI CCS specific functions */ +#include <cmsis_ccs.h> + + +#elif defined ( __TASKING__ ) /*------------------ TASKING Compiler --------------*/ +/* TASKING carm specific functions */ +/* + * The CMSIS functions have been implemented as intrinsics in the compiler. + * Please use "carm -?i" to get an up to date list of all intrinsics, + * Including the CMSIS ones. + */ + + +#elif defined ( __CSMC__ ) /*------------------ COSMIC Compiler -------------------*/ +/* Cosmic specific functions */ +#include <cmsis_csm.h> + +#endif + +/*@} end of CMSIS_Core_RegAccFunctions */ + +#endif /* __CORE_CMFUNC_H */