Function fix_vbios_header

util/intelvbttool/intelvbttool.c:981–1004

Fix VBIOS header and PCIR */

/* Fix VBIOS header and PCIR */
static int fix_vbios_header(struct fileobject *fo)
{
	if (!fo || fo->size < sizeof(optionrom_header_t))
		return 1;

	optionrom_header_t *oh = (optionrom_header_t *)fo->data;

	/* Fix size alignment */
	if (fo->size % 512) {
		print("Aligning size to 512\n");
		fo = remalloc_fo(fo, (fo->size + 511) / 512 * 512);
		if (!fo)
			return 1;
		oh = (optionrom_header_t *)fo->data;
	}

	/* Fix size field */
	oh->size = fo->size / 512;

	/* Fix checksum field */
	oh->checksum = -(checksum_vbios(oh) - oh->checksum);

	return 0;
}

/* Return the VBT structure size in bytes */
static size_t vbt_size(const struct fileobject *fo)