core_cmFunc.h

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/**************************************************************************/
#ifndef __CORE_CMFUNC_H
#define __CORE_CMFUNC_H


/* ###########################  Core Function Access  ########################### */
#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();    */

static __INLINE uint32_t __get_CONTROL(void)
{
  register uint32_t __regControl         __ASM("control");
  return(__regControl);
}


static __INLINE void __set_CONTROL(uint32_t control)
{
  register uint32_t __regControl         __ASM("control");
  __regControl = control;
}


static __INLINE uint32_t __get_IPSR(void)
{
  register uint32_t __regIPSR          __ASM("ipsr");
  return(__regIPSR);
}


static __INLINE uint32_t __get_APSR(void)
{
  register uint32_t __regAPSR          __ASM("apsr");
  return(__regAPSR);
}


static __INLINE uint32_t __get_xPSR(void)
{
  register uint32_t __regXPSR          __ASM("xpsr");
  return(__regXPSR);
}


static __INLINE uint32_t __get_PSP(void)
{
  register uint32_t __regProcessStackPointer  __ASM("psp");
  return(__regProcessStackPointer);
}


static __INLINE void __set_PSP(uint32_t topOfProcStack)
{
  register uint32_t __regProcessStackPointer  __ASM("psp");
  __regProcessStackPointer = topOfProcStack;
}


static __INLINE uint32_t __get_MSP(void)
{
  register uint32_t __regMainStackPointer     __ASM("msp");
  return(__regMainStackPointer);
}


static __INLINE void __set_MSP(uint32_t topOfMainStack)
{
  register uint32_t __regMainStackPointer     __ASM("msp");
  __regMainStackPointer = topOfMainStack;
}


static __INLINE uint32_t __get_PRIMASK(void)
{
  register uint32_t __regPriMask         __ASM("primask");
  return(__regPriMask);
}


static __INLINE void __set_PRIMASK(uint32_t priMask)
{
  register uint32_t __regPriMask         __ASM("primask");
  __regPriMask = (priMask);
}
 

#if       (__CORTEX_M >= 0x03)

#define __enable_fault_irq                __enable_fiq


#define __disable_fault_irq               __disable_fiq


static __INLINE uint32_t  __get_BASEPRI(void)
{
  register uint32_t __regBasePri         __ASM("basepri");
  return(__regBasePri);
}


static __INLINE void __set_BASEPRI(uint32_t basePri)
{
  register uint32_t __regBasePri         __ASM("basepri");
  __regBasePri = (basePri & 0xff);
}
 

static __INLINE uint32_t __get_FAULTMASK(void)
{
  register uint32_t __regFaultMask       __ASM("faultmask");
  return(__regFaultMask);
}


static __INLINE void __set_FAULTMASK(uint32_t faultMask)
{
  register uint32_t __regFaultMask       __ASM("faultmask");
  __regFaultMask = (faultMask & (uint32_t)1);
}

#endif /* (__CORTEX_M >= 0x03) */


#if       (__CORTEX_M == 0x04)

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
}


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) */


#elif defined ( __ICCARM__ ) /*------------------ ICC Compiler -------------------*/
/* IAR iccarm specific functions */

#include <cmsis_iar.h>

#elif defined ( __GNUC__ ) /*------------------ GNU Compiler ---------------------*/
/* GNU gcc specific functions */

__attribute__( ( always_inline ) ) static __INLINE void __enable_irq(void)
{
  __ASM volatile ("cpsie i");
}


__attribute__( ( always_inline ) ) static __INLINE void __disable_irq(void)
{
  __ASM volatile ("cpsid i");
}


__attribute__( ( always_inline ) ) static __INLINE uint32_t __get_CONTROL(void)
{
  uint32_t result;

  __ASM volatile ("MRS %0, control" : "=r" (result) );
  return(result);
}


__attribute__( ( always_inline ) ) static __INLINE void __set_CONTROL(uint32_t control)
{
  __ASM volatile ("MSR control, %0" : : "r" (control) );
}


__attribute__( ( always_inline ) ) static __INLINE uint32_t __get_IPSR(void)
{
  uint32_t result;

  __ASM volatile ("MRS %0, ipsr" : "=r" (result) );
  return(result);
}


__attribute__( ( always_inline ) ) static __INLINE uint32_t __get_APSR(void)
{
  uint32_t result;

  __ASM volatile ("MRS %0, apsr" : "=r" (result) );
  return(result);
}


__attribute__( ( always_inline ) ) static __INLINE uint32_t __get_xPSR(void)
{
  uint32_t result;

  __ASM volatile ("MRS %0, xpsr" : "=r" (result) );
  return(result);
}


__attribute__( ( always_inline ) ) static __INLINE uint32_t __get_PSP(void)
{
  register uint32_t result;

  __ASM volatile ("MRS %0, psp\n"  : "=r" (result) );
  return(result);
}
 

__attribute__( ( always_inline ) ) static __INLINE void __set_PSP(uint32_t topOfProcStack)
{
  __ASM volatile ("MSR psp, %0\n" : : "r" (topOfProcStack) );
}


__attribute__( ( always_inline ) ) static __INLINE uint32_t __get_MSP(void)
{
  register uint32_t result;

  __ASM volatile ("MRS %0, msp\n" : "=r" (result) );
  return(result);
}
 

__attribute__( ( always_inline ) ) static __INLINE void __set_MSP(uint32_t topOfMainStack)
{
  __ASM volatile ("MSR msp, %0\n" : : "r" (topOfMainStack) );
}


__attribute__( ( always_inline ) ) static __INLINE uint32_t __get_PRIMASK(void)
{
  uint32_t result;

  __ASM volatile ("MRS %0, primask" : "=r" (result) );
  return(result);
}


__attribute__( ( always_inline ) ) static __INLINE void __set_PRIMASK(uint32_t priMask)
{
  __ASM volatile ("MSR primask, %0" : : "r" (priMask) );
}
 

#if       (__CORTEX_M >= 0x03)

__attribute__( ( always_inline ) ) static __INLINE void __enable_fault_irq(void)
{
  __ASM volatile ("cpsie f");
}


__attribute__( ( always_inline ) ) static __INLINE void __disable_fault_irq(void)
{
  __ASM volatile ("cpsid f");
}


__attribute__( ( always_inline ) ) static __INLINE uint32_t __get_BASEPRI(void)
{
  uint32_t result;
  
  __ASM volatile ("MRS %0, basepri_max" : "=r" (result) );
  return(result);
}


__attribute__( ( always_inline ) ) static __INLINE void __set_BASEPRI(uint32_t value)
{
  __ASM volatile ("MSR basepri, %0" : : "r" (value) );
}


__attribute__( ( always_inline ) ) static __INLINE uint32_t __get_FAULTMASK(void)
{
  uint32_t result;
  
  __ASM volatile ("MRS %0, faultmask" : "=r" (result) );
  return(result);
}


__attribute__( ( always_inline ) ) static __INLINE void __set_FAULTMASK(uint32_t faultMask)
{
  __ASM volatile ("MSR faultmask, %0" : : "r" (faultMask) );
}

#endif /* (__CORTEX_M >= 0x03) */


#if       (__CORTEX_M == 0x04)

__attribute__( ( always_inline ) ) static __INLINE uint32_t __get_FPSCR(void)
{
#if (__FPU_PRESENT == 1) && (__FPU_USED == 1)
  uint32_t result;

  __ASM volatile ("VMRS %0, fpscr" : "=r" (result) );
  return(result);
#else
   return(0);
#endif
}


__attribute__( ( always_inline ) ) static __INLINE void __set_FPSCR(uint32_t fpscr)
{
#if (__FPU_PRESENT == 1) && (__FPU_USED == 1)
  __ASM volatile ("VMSR fpscr, %0" : : "r" (fpscr) );
#endif
}

#endif /* (__CORTEX_M == 0x04) */


#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 instrinsics,
 * Including the CMSIS ones.
 */

#endif

#endif /* __CORE_CMFUNC_H */