core_arm7.c

00001 /* mbed Microcontroller Library
00002  * Copyright (C) 2008-2009 ARM Limited. All rights reserved.
00003  *
00004  * ARM7 version of CMSIS-like functionality - not advised for use outside mbed!
00005  * based on core_cm3.h, V1.20
00006  */
00007 
00008 #include <stdint.h>
00009 
00010 
00011 /* define compiler specific symbols */
00012 #if defined   ( __CC_ARM   )
00013   #define __ASM            __asm           /*!< asm keyword for armcc           */
00014   #define __INLINE         __inline        /*!< inline keyword for armcc        */
00015 
00016 #elif defined ( __ICCARM__ )
00017   #define __ASM           __asm            /*!< asm keyword for iarcc           */
00018   #define __INLINE        inline           /*!< inline keyword for iarcc. Only avaiable in High optimization mode! */
00019 
00020 #elif defined (  __GNUC__  )
00021   #define __ASM             __asm          /*!< asm keyword for gcc            */
00022   #define __INLINE          inline         /*!< inline keyword for gcc         */
00023 
00024 #elif defined   (  __TASKING__  )
00025   #define __ASM            __asm           /*!< asm keyword for TASKING Compiler          */
00026   #define __INLINE         inline          /*!< inline keyword for TASKING Compiler       */
00027 
00028 #endif
00029 
00030 #if defined ( __CC_ARM   )
00031 /**
00032  * @brief  Return the Main Stack Pointer (return current ARM7 stack)
00033  *
00034  * @param  none
00035  * @return uint32_t Main Stack Pointer
00036  *
00037  * Return the current value of the MSP (main stack pointer)
00038  * Cortex processor register
00039  */
00040 uint32_t __get_MSP(void)
00041 {
00042     return __current_sp();
00043 }
00044 #endif