364 	struct data blob       = empty_data;  in dt_to_blob()  local
376 		die("Unknown device tree blob version %d\n", version);  in dt_to_blob()
396 					"Warning: blob size %d >= minimum size %d\n",  in dt_to_blob()
415 	 * Assemble the blob: start with the header, add with alignment  in dt_to_blob()
419 	blob = data_append_data(blob, &fdt, vi->hdr_size);  in dt_to_blob()
420 	blob = data_append_align(blob, 8);  in dt_to_blob()
421 	blob = data_merge(blob, reservebuf);  in dt_to_blob()
422 	blob = data_append_zeroes(blob, sizeof(struct fdt_reserve_entry));  in dt_to_blob()
423 	blob = data_merge(blob, dtbuf);  in dt_to_blob()
424 	blob = data_merge(blob, strbuf);  in dt_to_blob()
427 	 * If the user asked for more space than is used, pad out the blob.  in dt_to_blob()
430 		blob = data_append_zeroes(blob, padlen);  in dt_to_blob()
432 	if (fwrite(blob.val, blob.len, 1, f) != 1) {  in dt_to_blob()
434 			die("Error writing device tree blob: %s\n",  in dt_to_blob()
437 			die("Short write on device tree blob\n");  in dt_to_blob()
441 	 * data_merge() frees the right-hand element so only the blob  in dt_to_blob()
444 	data_free(blob);  in dt_to_blob()
474 		die("Unknown device tree blob version %d\n", version);  in dt_to_asm()
785 			die("Premature FDT_END in device tree blob\n");  in unflatten_tree()
797 			die("Invalid opcode word %08x in device tree blob\n",  in unflatten_tree()
817 	char *blob;  in dt_from_blob()  local
832 		die("Error reading DT blob magic number: %s\n",  in dt_from_blob()
836 			die("EOF reading DT blob magic number\n");  in dt_from_blob()
843 		die("Blob has incorrect magic number\n");  in dt_from_blob()
847 		die("Error reading DT blob size: %s\n", strerror(errno));  in dt_from_blob()
850 			die("EOF reading DT blob size\n");  in dt_from_blob()
852 			die("Mysterious short read reading blob size\n");  in dt_from_blob()
857 		die("DT blob size (%d) is too small\n", totalsize);  in dt_from_blob()
859 	blob = xmalloc(totalsize);  in dt_from_blob()
861 	fdt = (struct fdt_header *)blob;  in dt_from_blob()
866 	p = blob + sizeof(magic)  + sizeof(totalsize);  in dt_from_blob()
870 			die("EOF before reading %d bytes of DT blob\n",  in dt_from_blob()
875 			die("Error reading DT blob: %s\n",  in dt_from_blob()
901 		inbuf_init(&strbuf, blob + off_str, blob + off_str + size_str);  in dt_from_blob()
903 		inbuf_init(&strbuf, blob + off_str, blob + totalsize);  in dt_from_blob()
919 		   blob + off_mem_rsvmap, blob + totalsize);  in dt_from_blob()
920 	inbuf_init(&dtbuf, blob + off_dt, blob + totalsize);  in dt_from_blob()
927 		die("Device tree blob doesn't begin with FDT_BEGIN_NODE (begins with 0x%08x)\n", val);  in dt_from_blob()
933 		die("Device tree blob doesn't end with FDT_END\n");  in dt_from_blob()
935 	free(blob);  in dt_from_blob()