ADDR_PIDX
addr &= ADDR_PIDX | ADDR_POFF;
hash = (sr & SR_VSID_MASK) ^ (((u_int)addr & ADDR_PIDX) >>
(((va & ADDR_PIDX) >> ADDR_API_SHFT) & PTE_API);
addr &= ADDR_PIDX | ADDR_POFF;
pvo->pvo_vpn = (uint64_t)((va & ADDR_PIDX) >> ADDR_PIDX_SHFT)
hash = (vsid & VSID_HASH_MASK) ^ (((uint64_t)va & ADDR_PIDX) >> shift);
(ADDR_PIDX >> ADDR_PIDX_SHFT);
va = ((k >> 3) ^ va) & (ADDR_PIDX >> ADDR_PIDX_SHFT);