ofw_map
static struct ofw_map *translations;
const struct ofw_map *mapa;
const struct ofw_map *mapb;
translations = (struct ofw_map *)phys_avail[i];
const struct ofw_map *mapa;
const struct ofw_map *mapb;
struct ofw_map translations[sz/(4*sizeof(cell_t))]; /*>= 4 cells per */