Subversion Repositories openrisc_me

typedef unsigned char uchar;

typedef unsigned short ushort;

typedef unsigned int uint;

typedef unsigned long ulong;

static unsigned long S[1][1]={0x00820200};

static int body(out0,out1,ks,Eswap0,Eswap1)

ulong *out0,*out1;

int *ks;

ulong Eswap0,Eswap1;

{

  register unsigned long l,r,t,u,v;

  register unsigned long *s;

  register int i,j;

  register unsigned long E0,E1;

  l=0;

  r=0;

  s=(ulong *)ks;

  E0=Eswap0;

  E1=Eswap1;

  for (i=0; i<(16 *2); i+=4)

    {

      v=(r^(r>>16));

      u=(v&E0);

      v=(v&E1);

      u=(u^(u<<16))^r^s[  i  ];

      t=(v^(v<<16))^r^s[  i+1];

      t=(t>>4)|(t<<28);

      l^=S[1][(t)&0x3f]| S[3][(t>> 8)&0x3f]| S[5][(t>>16)&0x3f]| S[7][(t>>24)&0x3f]| S[0][(u)&0x3f]| S[2][(u>> 8)&0x3f]| S[4][(u>>16)&0x3f]| S[6][(u>>24)&0x3f];

      v=(l^(l>>16));

      u=(v&E0);

      v=(v&E1);

      u=(u^(u<<16))^l^s[  i+2  ];

      t=(v^(v<<16))^l^s[  i+2+1];

      t=(t>>4)|(t<<28);

      r^=       S[1][(t    )&0x3f];

    }

  t=l;

  l=r;

  r=t;

  t=r;

  r=(l>>1)|(l<<31);

  l=(t>>1)|(t<<31);

  *out0=l;

  *out1=r;

  return(0);

}