gem_aesP.h

/*
 *  $Id: gem_aesP.h,v 1.10 2015/08/23 17:32:42 landemarre Exp $
 */

#ifndef _GEM_AES_P_
# define _GEM_AES_P_

# ifndef _GEMLIB_H_
#  include "mt_gem.h"
# endif


#if defined(__GNUC__) && !defined(__NO_INLINE__)

static inline void
_aes_trap (AESPB * aespb)
{
    __asm__ volatile (
        "move.l %0,d1\n\t"  /* &aespb */
        "move.w #200,d0\n\t"
        "trap   #2"
        :
        : "g"(aespb)
        : "d0","d1","d2","a0","a1","a2","memory"
    );
}
#define AES_TRAP(aespb) _aes_trap(&aespb)

#else

#if defined(__VBCC__)

__regsused("d0/d1/a0/a1") void _aes_trap(__reg("d1")AESPB *) =
  "\tmove.l\td2,-(sp)\n"
  "\tmove.l\ta2,-(sp)\n"
  "\tmove.w\t#200,d0\n"
  "\ttrap\t#2\n"
  "\tmove.l\t(sp)+,a2\n"
  "\tmove.l\t(sp)+,d2";
#define AES_TRAP(aespb) _aes_trap(&aespb)

#else /* no usage of inlines, go the old way */

#define AES_TRAP(aespb) aes(&aespb)

#endif /* __VBCC__ */
#endif


#define AES_PARAMS(a,b,c,d,e) \
    static short    aes_control[AES_CTRLMAX]={a,b,c,d,e}; \
    short           aes_intin[AES_INTINMAX];              \
    short           aes_intout[AES_INTOUTMAX];            \
    long            aes_addrin[AES_ADDRINMAX];            \
    long            aes_addrout[AES_ADDROUTMAX];          \
                                                          \
    AESPB aes_params;                                     \
    aes_params.control = &aes_control[0];                 \
    aes_params.global  = &global_aes[0];                  \
    aes_params.intin   = &aes_intin[0];                   \
    aes_params.intout  = &aes_intout[0];                  \
    aes_params.addrin  = &aes_addrin[0];                  \
    aes_params.addrout = &aes_addrout[0]


#endif /* _GEM_AES_P_ */


/* special feature for AES bindings: pointer in parameters (for return values)
 * could be NULL (nice idea by Martin Elsasser against dummy variables) 
 */
#define CHECK_NULLPTR 1