Function cbfs_create

util/cbfstool/cbfstool.c:1446–1530

}

static int cbfs_create(void)
{
	struct cbfs_image image;
	memset(&image, 0, sizeof(image));
	buffer_clone(&image.buffer, param.image_region);

	if (param.fmap) {
		if (param.arch != CBFS_ARCHITECTURE_UNKNOWN || param.size ||
						param.baseaddress_assigned ||
						param.headeroffset_assigned ||
						param.cbfsoffset_assigned ||
							param.bootblock) {
			ERROR("Since -M was provided, -m, -s, -b, -o, -H, and -B should be omitted\n");
			return 1;
		}

		return cbfs_image_create(&image, image.buffer.size);
	}

	if (param.arch == CBFS_ARCHITECTURE_UNKNOWN) {
		ERROR("You need to specify -m/--machine arch.\n");
		return 1;
	}

	struct buffer bootblock;
	if (!param.bootblock) {
		DEBUG("-B not given, creating image without bootblock.\n");
		if (buffer_create(&bootblock, 0, "(dummy)") != 0)
			return 1;
	} else if (buffer_from_file(&bootblock, param.bootblock)) {
		return 1;
	}

	if (!param.alignment)
		param.alignment = CBFS_ALIGNMENT;

	// Set default offsets. x86, as usual, needs to be a special snowflake.
	if (!param.baseaddress_assigned) {
		if (param.arch == CBFS_ARCHITECTURE_X86) {
			// Make sure there's at least enough room for rel_offset
			param.baseaddress = param.size -
					MAX(bootblock.size, sizeof(int32_t));
			DEBUG("x86 -> bootblock lies at end of ROM (%#x).\n",
			      param.baseaddress);
		} else {
			param.baseaddress = 0;
			DEBUG("bootblock starts at address 0x0.\n");
		}
	}
	if (!param.headeroffset_assigned) {
		if (param.arch == CBFS_ARCHITECTURE_X86) {
			param.headeroffset = param.baseaddress -
					     sizeof(struct cbfs_header);
			DEBUG("x86 -> CBFS header before bootblock (%#x).\n",
				param.headeroffset);
		} else {
			param.headeroffset = align_up(param.baseaddress +
				bootblock.size, sizeof(uint32_t));