Re: [coreboot] lenovo x220, tool to extract binary blobs from BIOS update

[Nico Huber]

Hello Reiner,

On 24.04.2018 18:43, diffusae via coreboot wrote:
> ./ifdtool -x ~/8DET74WW/bios.bin
> File /8DET74WW/bios.bin is 8523776 bytes
> No Flash Descriptor found in this image

not sure what you are looking for, but I guess this is what you need,
because
> ./bios_extract ~/8DET74WW/bios.bin
> Using file "~/8DET74WW/bios.bin" (8324kB)
> Error: Unable to detect BIOS Image type.
>
> UEFITool can open the image, but I actually don't know which regions I
> have to extract.

there are no binaries that you need to extract that UEFITool generally
can extract (microcode updates are publicly available and gfx init is
open source).

Nico