tmk_core/tool/mbed/mbed-sdk/libraries/mbed/targets/cmsis/TARGET_NXP/TARGET_LPC23XX/core_arm7.c

   1 /* mbed Microcontroller Library
   2  * Copyright (C) 2008-2009 ARM Limited. All rights reserved.
   3  *
   4  * ARM7 version of CMSIS-like functionality - not advised for use outside mbed!
   5  * based on core_cm3.h, V1.20
   6  */
   7
   8 #include <stdint.h>
   9
  10
  11 /* define compiler specific symbols */
  12 #if defined   ( __CC_ARM   )
  13   #define __ASM            __asm           /*!< asm keyword for armcc           */
  14   #define __INLINE         __inline        /*!< inline keyword for armcc        */
  15
  16 #elif defined ( __ICCARM__ )
  17   #define __ASM           __asm            /*!< asm keyword for iarcc           */
  18   #define __INLINE        inline           /*!< inline keyword for iarcc. Only avaiable in High optimization mode! */
  19
  20 #elif defined (  __GNUC__  )
  21   #define __ASM             __asm          /*!< asm keyword for gcc            */
  22   #define __INLINE          inline         /*!< inline keyword for gcc         */
  23
  24 #elif defined   (  __TASKING__  )
  25   #define __ASM            __asm           /*!< asm keyword for TASKING Compiler          */
  26   #define __INLINE         inline          /*!< inline keyword for TASKING Compiler       */
  27
  28 #endif
  29
  30 #if defined ( __CC_ARM   )
  31 /**
  32  * @brief  Return the Main Stack Pointer (return current ARM7 stack)
  33  *
  34  * @param  none
  35  * @return uint32_t Main Stack Pointer
  36  *
  37  * Return the current value of the MSP (main stack pointer)
  38  * Cortex processor register
  39  */
  40 uint32_t __get_MSP(void)
  41 {
  42     return __current_sp();
  43 }
  44 #endif