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Diffstat (limited to 'tools/binman/README.entries')
| -rw-r--r-- | tools/binman/README.entries | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/tools/binman/README.entries b/tools/binman/README.entries index 6f09626b24b..41b70192c08 100644 --- a/tools/binman/README.entries +++ b/tools/binman/README.entries @@ -91,6 +91,25 @@ FMAP does not support this. +Entry: gbb: An entry which contains a Chromium OS Google Binary Block +--------------------------------------------------------------------- + +Properties / Entry arguments: + - hardware-id: Hardware ID to use for this build (a string) + - keydir: Directory containing the public keys to use + - bmpblk: Filename containing images used by recovery + +Chromium OS uses a GBB to store various pieces of information, in particular +the root and recovery keys that are used to verify the boot process. Some +more details are here: + + https://www.chromium.org/chromium-os/firmware-porting-guide/2-concepts + +but note that the page dates from 2013 so is quite out of date. See +README.chromium for how to obtain the required keys and tools. + + + Entry: intel-cmc: Entry containing an Intel Chipset Micro Code (CMC) file ------------------------------------------------------------------------- |