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tools: kwbimage: Fix calculating size of kwbimage v0 header

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Extended and binary headers are optional and are part of the image header.

Fixes kwboot to determinate correct length of Dove images.

Signed-off-by: Pali Rohár <pali@kernel.org>
Tested-by: Tony Dinh <mibodhi@gmail.com>
Reviewed-by: Stefan Roese <sr@denx.de>
This commit is contained in:
Pali Rohár 2022-02-17 10:43:35 +01:00 committed by Stefan Roese
parent 3917ec57f7
commit 9a9a2c1acf
1 changed files with 13 additions and 1 deletions
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14
tools/kwbimage.h
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@ -240,8 +240,20 @@ static inline size_t kwbheader_size(const void *header)
if (kwbimage_version(header) == 0) {
const struct main_hdr_v0 *hdr = header;
/*
* First extension header starts immediately after the main
* header without any padding. Between extension headers is
* 0x20 byte padding. There is no padding after the last
* extension header. First binary code header starts immediately
* after the last extension header (or immediately after the
* main header if there is no extension header) without any
* padding. There is no padding between binary code headers and
* neither after the last binary code header.
*/
return sizeof(*hdr) +
hdr->ext ? sizeof(struct ext_hdr_v0) : 0;
hdr->ext * sizeof(struct ext_hdr_v0) +
((hdr->ext > 1) ? ((hdr->ext - 1) * 0x20) : 0) +
hdr->bin * sizeof(struct bin_hdr_v0);
} else {
const struct main_hdr_v1 *hdr = header;