TLB44_SIZE_SHFT
w0 = (va & ~(tlbsize[sz] - 1)) | (sz << TLB44_SIZE_SHFT) |
w0 = va | TLB44_V | TLB44_TS | (enc << TLB44_SIZE_SHFT);
w0 = (u_long)pa | TLB44_V | (TLB44_SIZE_256M << TLB44_SIZE_SHFT);