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 --- tools/kwbimage.h | 14 +++++++++++++- 1 file changed, 13 insertions(+), 1 deletion(-)
diff --git a/tools/kwbimage.h b/tools/kwbimage.h index 706bebddf4fa..502b6d503305 100644 --- a/tools/kwbimage.h +++ b/tools/kwbimage.h @@ -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;