diff options
Diffstat (limited to 'util/cbfstool/cbfs.h')
| -rw-r--r-- | util/cbfstool/cbfs.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/util/cbfstool/cbfs.h b/util/cbfstool/cbfs.h index 3f80a046f4..185bddebf6 100644 --- a/util/cbfstool/cbfs.h +++ b/util/cbfstool/cbfs.h @@ -21,6 +21,10 @@ #include <stdint.h> +/* cbfstool will fail when trying to build a cbfs_file header that's larger + * than MAX_CBFS_FILE_HEADER_BUFFER. 1K should give plenty of room. */ +#define MAX_CBFS_FILE_HEADER_BUFFER 1024 + /* create a magic number in host-byte order. * b3 is the high order byte. * in the coreboot tools, we go with the 32-bit @@ -77,6 +81,7 @@ struct cbfs_file { /* length of file data */ uint32_t len; uint32_t type; + /* offset to struct cbfs_file_attribute or 0 */ uint32_t attributes_offset; /* length of header incl. variable data */ uint32_t offset; @@ -95,6 +100,11 @@ struct cbfs_file_attribute { uint8_t data[0]; } __PACKED; +/* Depending on how the header was initialized, it may be backed with 0x00 or + * 0xff. Support both. */ +#define CBFS_FILE_ATTR_TAG_UNUSED 0 +#define CBFS_FILE_ATTR_TAG_UNUSED2 0xffffffff + struct cbfs_stage { uint32_t compression; uint64_t entry; @@ -155,6 +165,7 @@ struct cbfs_payload { #define CBFS_COMPONENT_NULL 0xFFFFFFFF #define CBFS_SUBHEADER(_p) ( (void *) ((((uint8_t *) (_p)) + ntohl((_p)->offset))) ) + /* cbfs_image.c */ uint32_t get_cbfs_entry_type(const char *name, uint32_t default_value); uint32_t get_cbfs_compression(const char *name, uint32_t unknown); |