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tools: kwbimage: Fill the real header size into the main header

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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>
This commit is contained in:
Pali Rohár 2021-11-08 18:12:49 +01:00 committed by Stefan Roese
parent 5cad2e6cce
commit 2b0980c240
1 changed files with 9 additions and 0 deletions
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9
tools/kwbimage.c
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@ -1220,6 +1220,7 @@ static void *image_create_v1(size_t *imagesz, struct image_tool_params *params,
{
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 @@ static void *image_create_v1(size_t *imagesz, struct image_tool_params *params,
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;
}