+ struct fdt_reserve_entry *re;
+ int used;
+ int total;
+ int j;
+
+ err = fdt_num_reservemap(fdt, &used, &total);
+ if (err < 0) {
+ printf("libfdt: %s\n", fdt_strerror(err));
+ return err;
+ }
+ if (used >= total) {
+ printf("fdt_chosen: no room in the reserved map (%d of %d)\n",
+ used, total);
+ return -1;
+ }
+ /*
+ * Look for an existing entry and update it. If we don't find
+ * the entry, we will j be the next available slot.
+ */
+ for (j = 0; j < used; j++) {
+ err = fdt_get_reservemap(fdt, j, &re);
+ if (re->address == initrd_start) {
+ break;
+ }
+ }
+ err = fdt_replace_reservemap_entry(fdt, j,