c4e_arch.h (Version 579)

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/****************************** -*- mode: C -*- ******************************/
#ifndef C4E_ARCH_H
#define C4E_ARCH_H


/* INCLUDES ******************************************************************/

#include "c4e_config.h"


#ifdef HAVE_INTTYPES_H
#include <inttypes.h>
#endif

#ifdef HAVE_STDINT_H
#include <stdint.h>
#endif

#ifdef HAVE_STDLIB_H
#include <stdlib.h>
#endif

#ifdef HAVE_STDBOOL_H
#include <stdbool.h>
#endif


#ifdef  __cplusplus
extern "C" {
#endif


/* DEFINES *******************************************************************/


#define C4E_CONST               const 
#define C4E_INLINE              inline 
#if defined(_lint) || defined(__cplusplus)
#define C4E_RESTRICT           /* C++ and lint doesn't know this C99 keyword */
#else
#define C4E_RESTRICT            restrict
#endif




#if (defined(__i386__) || defined(__i486__) || defined(__i586__) ||            \
     defined(__i686__) || defined(__pentium__) || defined(__pentiumpro__) ||   \
     defined(__pentium4__) ||                                                  \
     defined(__k6__) || defined(__k8__) || defined (__athlon__))


#define C4E_ARCH_X86


#if defined(__GNUC__) && (__GNUC__ > 3) && defined(__linux__) && !defined(_lint)

#define C4E_ARCH_X86_ASM


#if defined(__SSE2__) || defined(__SSSE3__)

#define C4E_ARCH_X86_MMX
#endif /* SSE2/3 */


#if (C4E_ARCH_DIGIT_SIZE == 4U)

#define C4E_ARCH_X86_DIGITS
#endif /* C4E_ARCH_DIGIT_SIZE == 4U */

#endif /* GNUC */
#endif /* x86 */



#ifdef __STRICT_ANSI__
#define C4E_ARCH_ASM            __asm__ volatile
#else  /* !__STRICT_ANSI__ */
#define C4E_ARCH_ASM            asm volatile
#endif /* __STRICT_ANSI__ */



#if defined(UINT32_MAX) || defined(uint32_t)

#define C4E_HAVE_UINT32         1


/* TYPEDEFS ******************************************************************/


    typedef uint32_t C4eArchUint32;

#endif  /* defined(UINT32_MAX) || defined (uint32_t) */


    typedef unsigned int C4eArchUint;


    typedef uint32_t C4eArchDigit;   /* customize to uint16_t, uint64_t, ... */


    typedef uint64_t C4eArchDigit2; /* customize to uint32_t, uint128_t, ... */


    typedef C4eArchUint C4eArchIdx;


    typedef size_t C4eArchSize;


    typedef uint8_t C4eArchUint8;



#ifdef C4E_CONFIG_ENABLE_COMBA /* need a MAC unit? */

    typedef struct
    {
        C4eArchDigit2 acc;                                  
        C4eArchDigit cy;                                     
    } C4eArchMac;

#endif /* C4E_CONFIG_ENABLE_COMBA */



/* MACROS ********************************************************************/


/* MACRO *********************************************************************/
#define C4E_ARCH_ROM(type, name)   C4E_CONST type name


/* MACRO *********************************************************************/
#define C4E_ARCH_DIGIT2_MSD(digit2)                             \
    ((C4eArchDigit)((digit2) >> (8U * C4E_ARCH_DIGIT_SIZE)))



/* MACRO *********************************************************************/
#define C4E_ARCH_DIGIT2_LSD(digit2)     ((C4eArchDigit)(digit2))



/* MACRO *********************************************************************/
#define C4E_ARCH_DIGIT2_ASGN(digit2, msd, lsd)                                 \
    ((digit2) = ((((C4eArchDigit2)(msd)) << (8U * C4E_ARCH_DIGIT_SIZE)) | (lsd)))



/* MACRO *********************************************************************/
#define C4E_ARCH_DIGIT2_ADD(a, b, c)    (((C4eArchDigit2)(a)) + (b) + (c))



/* MACRO *********************************************************************/
#define C4E_ARCH_DIGIT2_MUL(a, b)       (((C4eArchDigit2)(a)) * (b))



/* MACRO *********************************************************************/
#define C4E_ARCH_DIGIT2_DIV(a, b)       (((C4eArchDigit2)(a)) / (b))



#ifdef  __cplusplus
}
#endif


#endif /* C4E_ARCH_H */


/******************************************************************************/
/* END OF FILE                                                                */
/******************************************************************************/

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