SUN3_PROM_BASE
#define romVectorPtr ((struct sunromvec *) SUN3_PROM_BASE)
if ((vaddr_t)ptr < SUN3_PROM_BASE || (vaddr_t)ptr > SUN3_MONEND) {
#define romVectorPtr ((struct sunromvec *) SUN3_PROM_BASE)
x = SUN3_PROM_BASE;