#include <linux/kernel.h>
  #include <linux/sched.h>
  #include <linux/types.h>
  #include <asm/byteorder.h>
  #include <asm/fpu.h>
  
  #define add_ssaaaa(sh, sl, ah, al, bh, bl) \
    ((sl) = (al) + (bl), (sh) = (ah) + (bh) + ((sl) < (al)))
  
  #define sub_ddmmss(sh, sl, ah, al, bh, bl) \
    ((sl) = (al) - (bl), (sh) = (ah) - (bh) - ((al) < (bl)))
  
  #define umul_ppmm(wh, wl, u, v)			\
    __asm__ ("mulq %2,%3,%1; umulh %2,%3,%0"	\
  	   : "=r" ((UDItype)(wh)),		\
  	     "=&r" ((UDItype)(wl))		\
  	   : "r" ((UDItype)(u)),		\
  	     "r" ((UDItype)(v)))
  
  #define udiv_qrnnd(q, r, n1, n0, d)				\
    do { unsigned long __r;					\
      (q) = __udiv_qrnnd (&__r, (n1), (n0), (d));			\
      (r) = __r;							\
    } while (0)
  extern unsigned long __udiv_qrnnd (unsigned long *, unsigned long,
  				   unsigned long , unsigned long);
  
  #define UDIV_NEEDS_NORMALIZATION 1  
  
  #define abort()			goto bad_insn

  
  #ifndef __LITTLE_ENDIAN
  #define __LITTLE_ENDIAN -1
  #endif
  #define __BYTE_ORDER __LITTLE_ENDIAN