[U-Boot] [PATCH 3/4] x86: Refactor the zboot innards so they can be reused with a vboot image

Graeme Russ graeme.russ at gmail.com
Fri Dec 2 22:43:19 CET 2011


Hi Gabe,

On 30/11/11 20:17, Gabe Black wrote:
> If vboot successfully verifies a kernel, it will leave it in place and
> basically ready to boot. The zeropage table which is part of the x86 boot
> protocol is at the end of the kernel, though, instead of the beginning, and
> because the image is already in place there's no need to copy it around.
> This change refactors the code which implements the zboot command so that
> the configuration of the zeropage table and loading the pieces of the
> kernel into memory are done separately. Also, because the command line goes
> before the zeropage table in vboot which is somewhat incompatible with the
> normal protocol, where to put the command line is a now a parameter instead
> of being hard coded.

What exactly is vboot? Is this something new you a looking to introduce to
U-Boot later, or is it something entirely separate?

Regards,

Graeme


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