BAT_RPN
*pa = (cpu_kh->dbatl[i] & BAT_RPN) + pgoff;
(((pa) & BAT_RPN) | (wimg) | (pp))
(((~(((batu)&(BAT_BL|BAT_XBL))<<15))&(pa)&BAT_RPN)==((batl)&BAT_RPN))