SG_FRAME
m->sg_frame = SG_FRAME;
m->sg_frame = SG_FRAME;
printf("$%08x: $%08x\t", i << shift, *s & SG_FRAME);
ste = (u_int *)(*(ste + (vm >> SEGSHIFT)) & SG_FRAME);
*ste = (ptpa & SG_FRAME) | SG_RW | SG_V;
*ste = (ptpa & SG_FRAME) | SG_RW | SG_V;
m->sg_frame = SG_FRAME;