bus_mem_add_mapping
if (bus_mem_add_mapping(aaa->apic_address, PAGE_SIZE, 0, &bh) != 0) {
extern int bus_mem_add_mapping(bus_addr_t, bus_size_t, int,
int bus_mem_add_mapping(bus_addr_t, bus_size_t,
error = bus_mem_add_mapping(bpa, size, flags, bshp);
return (bus_mem_add_mapping(bpa, size, flags, bshp));
error = bus_mem_add_mapping(bpa, size, flags, bshp);
int bus_mem_add_mapping(bus_addr_t, bus_size_t, int, bus_space_handle_t *);
if ((error = bus_mem_add_mapping(bpa, size, flags, bshp))) {