mbed library sources
Fork of mbed-src by
Diff: vendor/Freescale/KL25Z/cmsis/core_cm0.c
- Revision:
- 13:0645d8841f51
- Parent:
- 12:5fa2273de5db
- Child:
- 14:096882eb0961
--- a/vendor/Freescale/KL25Z/cmsis/core_cm0.c Wed Jul 24 11:11:21 2013 +0100 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,279 +0,0 @@ -/**************************************************************************//** - * @file core_cm0.c - * @brief CMSIS Cortex-M0 Core Peripheral Access Layer Source File - * @version V2.00 - * @date 10. September 2010 - * - * @note - * Copyright (C) 2009-2010 ARM Limited. All rights reserved. - * - * @par - * ARM Limited (ARM) is supplying this software for use with Cortex-M - * processor based microcontrollers. This file can be freely distributed - * within development tools that are supporting such ARM based processors. - * - * @par - * THIS SOFTWARE IS PROVIDED "AS IS". NO WARRANTIES, WHETHER EXPRESS, IMPLIED - * OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE. - * ARM SHALL NOT, IN ANY CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL, OR - * CONSEQUENTIAL DAMAGES, FOR ANY REASON WHATSOEVER. - * - ******************************************************************************/ - -#include <stdint.h> - -/* define compiler specific symbols */ -#if defined ( __CC_ARM ) - #define __ASM __asm /*!< asm keyword for ARM Compiler */ - #define __INLINE __inline /*!< inline keyword for ARM Compiler */ - -#elif defined ( __ICCARM__ ) - #define __ASM __asm /*!< asm keyword for IAR Compiler */ - #define __INLINE inline /*!< inline keyword for IAR Compiler. Only avaiable in High optimization mode! */ - -#elif defined ( __GNUC__ ) - #define __ASM __asm /*!< asm keyword for GNU Compiler */ - #define __INLINE inline /*!< inline keyword for GNU Compiler */ - -#elif defined ( __TASKING__ ) - #define __ASM __asm /*!< asm keyword for TASKING Compiler */ - #define __INLINE inline /*!< inline keyword for TASKING Compiler */ - -#endif - - -/* ########################## Core Instruction Access ######################### */ - -#if defined ( __CC_ARM ) /*------------------ RealView Compiler ----------------*/ - -/** \brief Reverse byte order (16 bit) - - This function reverses the byte order in two unsigned short values. - - \param [in] value Value to reverse - \return Reversed value - */ -#if (__ARMCC_VERSION < 400677) -__ASM uint32_t __REV16(uint32_t value) -{ - rev16 r0, r0 - bx lr -} -#endif /* __ARMCC_VERSION */ - - -/** \brief Reverse byte order in signed short value - - This function reverses the byte order in a signed short value with sign extension to integer. - - \param [in] value Value to reverse - \return Reversed value - */ -#if (__ARMCC_VERSION < 400677) -__ASM int32_t __REVSH(int32_t value) -{ - revsh r0, r0 - bx lr -} -#endif /* __ARMCC_VERSION */ - - -/** \brief Remove the exclusive lock - - This function removes the exclusive lock which is created by LDREX. - - */ -#if (__ARMCC_VERSION < 400000) -__ASM void __CLREX(void) -{ - clrex -} -#endif /* __ARMCC_VERSION */ - - -#elif (defined (__ICCARM__)) /*---------------- ICC Compiler ---------------------*/ -/* obsolete */ -#elif (defined (__GNUC__)) /*------------------ GNU Compiler ---------------------*/ -/* obsolete */ -#elif (defined (__TASKING__)) /*--------------- TASKING Compiler -----------------*/ -/* obsolete */ -#endif - - -/* ########################### Core Function Access ########################### */ - -#if defined ( __CC_ARM ) /*------------------ RealView Compiler ----------------*/ - -/** \brief Get Control Register - - This function returns the content of the Control Register. - - \return Control Register value - */ -#if (__ARMCC_VERSION < 400000) -__ASM uint32_t __get_CONTROL(void) -{ - mrs r0, control - bx lr -} -#endif /* __ARMCC_VERSION */ - - -/** \brief Set Control Register - - This function writes the given value to the Control Register. - - \param [in] control Control Register value to set - */ -#if (__ARMCC_VERSION < 400000) -__ASM void __set_CONTROL(uint32_t control) -{ - msr control, r0 - bx lr -} -#endif /* __ARMCC_VERSION */ - - -/** \brief Get ISPR Register - - This function returns the content of the ISPR Register. - - \return ISPR Register value - */ -#if (__ARMCC_VERSION < 400000) -__ASM uint32_t __get_IPSR(void) -{ - mrs r0, ipsr - bx lr -} -#endif /* __ARMCC_VERSION */ - - -/** \brief Get APSR Register - - This function returns the content of the APSR Register. - - \return APSR Register value - */ -#if (__ARMCC_VERSION < 400000) -__ASM uint32_t __get_APSR(void) -{ - mrs r0, apsr - bx lr -} -#endif /* __ARMCC_VERSION */ - - -/** \brief Get xPSR Register - - This function returns the content of the xPSR Register. - - \return xPSR Register value - */ -#if (__ARMCC_VERSION < 400000) -__ASM uint32_t __get_xPSR(void) -{ - mrs r0, xpsr - bx lr -} -#endif /* __ARMCC_VERSION */ - - -/** \brief Get Process Stack Pointer - - This function returns the current value of the Process Stack Pointer (PSP). - - \return PSP Register value - */ -#if (__ARMCC_VERSION < 400000) -__ASM uint32_t __get_PSP(void) -{ - mrs r0, psp - bx lr -} -#endif /* __ARMCC_VERSION */ - - -/** \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 - */ -#if (__ARMCC_VERSION < 400000) -__ASM void __set_PSP(uint32_t topOfProcStack) -{ - msr psp, r0 - bx lr -} -#endif /* __ARMCC_VERSION */ - - -/** \brief Get Main Stack Pointer - - This function returns the current value of the Main Stack Pointer (MSP). - - \return MSP Register value - */ -#if (__ARMCC_VERSION < 400000) -__ASM uint32_t __get_MSP(void) -{ - mrs r0, msp - bx lr -} -#endif /* __ARMCC_VERSION */ - - -/** \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 - */ -#if (__ARMCC_VERSION < 400000) -__ASM void __set_MSP(uint32_t mainStackPointer) -{ - msr msp, r0 - bx lr -} -#endif /* __ARMCC_VERSION */ - - -/** \brief Get Priority Mask - - This function returns the current state of the priority mask bit from the Priority Mask Register. - - \return Priority Mask value - */ -#if (__ARMCC_VERSION < 400000) -__ASM uint32_t __get_PRIMASK(void) -{ - mrs r0, primask - bx lr -} -#endif /* __ARMCC_VERSION */ - - -/** \brief Set Priority Mask - - This function assigns the given value to the Priority Mask Register. - - \param [in] priMask Priority Mask - */ -#if (__ARMCC_VERSION < 400000) -__ASM void __set_PRIMASK(uint32_t priMask) -{ - msr primask, r0 - bx lr -} -#endif /* __ARMCC_VERSION */ - - -#elif (defined (__ICCARM__)) /*---------------- ICC Compiler ---------------------*/ -/* obsolete */ -#elif (defined (__GNUC__)) /*------------------ GNU Compiler ---------------------*/ -/* obsolete */ -#elif (defined (__TASKING__)) /*--------------- TASKING Compiler -----------------*/ -/* obsolete */ -#endif