Karthik Ramasubramanian has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/46569 )
Change subject: mb/google/dedede: Update the flash ROM layout for RW regions ......................................................................
Patch Set 2:
(1 comment)
https://review.coreboot.org/c/coreboot/+/46569/2/src/mainboard/google/dedede... File src/mainboard/google/dedede/chromeos-dedede-16MiB.fmd:
https://review.coreboot.org/c/coreboot/+/46569/2/src/mainboard/google/dedede... PS2, Line 26: VBLOCK_DEV@0x2000 0x2000
So removing this removes the ability to use keys in developer mode if the right flag is set in the F […]
Are you referring to the kernel key? If so, it seems to be stored at the start of the kernel partition?
Even when the USE_DEV_KEY_HASH flag is set in FWMP, the hash does not seem to come from VBLOCK_DEV. Adding jwerner@ to provide more context here.