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cbfstool: improve specification of struct cbfs_file 

Lock down its size and document some of the fields

Change-Id: I09fd6c80185345da0ae17d0f4498b50995fd1ec5
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Reviewed-on: http://review.coreboot.org/10927
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Tested-by: build bot (Jenkins)
This commit is contained in:
Patrick Georgi 2015-07-15 16:40:44 +02:00 committed by Patrick Georgi
parent 1d14b3e926
commit 5dc01ac506
1 changed files with 4 additions and 0 deletions
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4
util/cbfstool/cbfs.h
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@ -71,12 +71,16 @@ struct cbfs_header {
struct cbfs_file { struct cbfs_file {
uint8_t magic[8]; uint8_t magic[8];
/* length of file data */
uint32_t len; uint32_t len;
uint32_t type; uint32_t type;
uint32_t checksum; uint32_t checksum;
/* length of header incl. variable data */
uint32_t offset; uint32_t offset;
} __PACKED; } __PACKED;
_Static_assert(sizeof(struct cbfs_file) == 24, "cbfs_file size mismatch");
struct cbfs_stage { struct cbfs_stage {
uint32_t compression; uint32_t compression;
uint64_t entry; uint64_t entry;