NEXT_P_INTRSTAT
(*(volatile u_long *)IIOV(NEXT_P_INTRSTAT)));
(*(volatile u_long *)IIOV(NEXT_P_INTRSTAT)));
(*(volatile u_long *)IIOV(NEXT_P_INTRSTAT)));
*(volatile u_long *)IIOV(NEXT_P_INTRSTAT));
intrstat = (volatile u_long *)IIOV(NEXT_P_INTRSTAT);