Function fit_add_entry

util/cbfstool/fit.c:714–776

* Adds an known entry to the FIT. * len is optional for same types and might be zero. * offset is an absolute address in 32-bit protected mode address space. */

 * offset is an absolute address in 32-bit protected mode address space.
 */
int fit_add_entry(struct fit_table *fit,
		  const uint32_t offset,
		  const uint32_t len,
		  const enum fit_type type,
		  const size_t max_fit_entries)
{
	struct fit_entry *entry;

	if (!fit) {
		ERROR("Internal error.\n");
		return 1;
	}

	if (fit_free_space(fit, max_fit_entries) < 1) {
		ERROR("No space left in FIT.\n");
		return 1;
	}

	if (!fit_is_supported_type(type)) {
		ERROR("Unsupported FIT type %u\n", type);
		return 1;
	}

	DEBUG("Adding new entry type %u at offset %zd\n", type,
	      fit_table_entries(fit));

	entry = get_next_free_entry(fit);

	switch (type) {
	case FIT_TYPE_MICROCODE:
		update_fit_ucode_entry(fit, entry, offset);
		break;
	case FIT_TYPE_BIOS_ACM:
		update_fit_bios_acm_entry(fit, entry, offset);
		break;
	case FIT_TYPE_PLATFORM_BOOT_POLICY:
		update_fit_pbp_entry(fit, entry, offset);
		break;
	case FIT_TYPE_BIOS_STARTUP:
		update_fit_bios_startup_entry(fit, entry, offset, len);
		break;
	case FIT_TYPE_BIOS_POLICY:
		update_fit_bios_policy_entry(fit, entry, offset, len);
		break;
	case FIT_TYPE_TXT_POLICY:
		update_fit_txt_policy_entry(fit, entry, offset);
		break;
	case FIT_TYPE_KEY_MANIFEST:
		update_fit_key_manifest_entry(fit, entry, offset, len);
		break;
	case FIT_TYPE_BOOT_POLICY:
		update_fit_boot_policy_entry(fit, entry, offset, len);
		break;
	default:
		return 1;
	}

	sort_fit_table(fit);