tools: kwbimage: Fill the real header size into the main header
Fill the real header size without padding into the main header
This allows to reduce final image when converting image to another format
which does not need additional padding.
Signed-off-by: Pali Rohár <pali@kernel.org>
Signed-off-by: Marek Behún <marek.behun@nic.cz>
Reviewed-by: Stefan Roese <sr@denx.de>
diff --git a/tools/kwbimage.c b/tools/kwbimage.c
index 8dcfebc..114b313 100644
--- a/tools/kwbimage.c
+++ b/tools/kwbimage.c
@@ -1220,6 +1220,7 @@
{
struct image_cfg_element *e;
struct main_hdr_v1 *main_hdr;
+ struct opt_hdr_v1 *ohdr;
struct register_set_hdr_v1 *register_set_hdr;
struct secure_hdr_v1 *secure_hdr = NULL;
size_t headersz;
@@ -1370,6 +1371,14 @@
main_hdr->checksum = image_checksum8(main_hdr, headersz);
*imagesz = headersz;
+
+ /* Fill the real header size without padding into the main header */
+ headersz = sizeof(*main_hdr);
+ for_each_opt_hdr_v1 (ohdr, main_hdr)
+ headersz += opt_hdr_v1_size(ohdr);
+ main_hdr->headersz_lsb = cpu_to_le16(headersz & 0xFFFF);
+ main_hdr->headersz_msb = (headersz & 0xFFFF0000) >> 16;
+
return image;
}