/******************************************************************************
?*?@file:????core_cm3.c
?*?@purpose:?CMSIS?Cortex-M3?Core?Peripheral?Access?layer?Source?File
?*?@version:?V1.20
?*?@date:????22.?May?2009
?*----------------------------------------------------------------------------
?*
?*?Copyright?（C）?2009?ARM?Limited.?All?rights?reserved.
?*
?*?ARM?Limited?（ARM）?is?supplying?this?software?for?use?with?Cortex-Mx?
?*?processor?based?microcontrollers.??This?file?can?be?freely?distributed?
?*?within?development?tools?that?are?supporting?such?ARM?based?processors.?
?*
?*?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?


/*?define?compiler?specific?symbols?*/
#if?defined???（?__CC_ARM???）
??#define?__ASM????????????__asm???????????/*!??#define?__INLINE?????????__inline????????/*!
#elif?defined?（?__ICCARM__?）
??#define?__ASM???????????__asm????????????/*!??#define?__INLINE????????inline???????????/*!
#elif?defined?（??__GNUC__??）
??#define?__ASM?????????????__asm??????????/*!??#define?__INLINE??????????inline?????????/*!
#elif?defined???（??__TASKING__??）
??#define?__ASM????????????__asm???????????/*!??#define?__INLINE?????????inline??????????/*!
#endif



#if?defined?（?__CC_ARM???）?/*------------------RealView?Compiler?-----------------*/

/**
?*?@brief??Return?the?Process?Stack?Pointer
?*
?*?@param??none
?*?@return?uint32_t?ProcessStackPointer
?*
?*?Return?the?actual?process?stack?pointer
?*/
__ASM?uint32_t?__get_PSP（void）
{
??mrs?r0?psp
??bx?lr
}

/**
?*?@brief??Set?the?Process?Stack?Pointer
?*
?*?@param??uint32_t?Process?Stack?Pointer
?*?@return?none
?*
?*?Assign?the?value?ProcessStackPointer?to?the?MSP?
?*?（process?stack?pointer）?Cortex?processor?register
?*/
__ASM?void?__set_PSP（uint32_t?topOfProcStack）
{
??msr?psp?r0
??bx?lr
}

/**
?*?@brief??Return?the?Main?Stack?Pointer
?*
?*?@param??none
?*?@return?uint32_t?Main?Stack?Pointer
?*
?*?Return?the?current?value?of?the?MSP?（main?stack?pointer）
?*?Cortex?processor?register
?*/
__ASM?uint32_t?__get_MSP（void）
{
??mrs?r0?msp
??bx?lr
}

/**
?*?@brief??Set?the?Main?Stack?Pointer
?*
?*?@param??uint32_t?Main?Stack?Pointer
?*?@return?none
?*
?*?