Re: [coreboot] [PATCH] xcshell: serial shell for early debugging

[Stefan Reinauer]

On 14.07.2009 11:23 Uhr, Michael Gold wrote:
> I've been working on some code to ensure I can debug a system even if
> coreboot fails to boot an OS.  The attached patch adds this code to the
> tree:
> serialprobe watches the serial port for about a second, and boots
> the system normally unless 32 consecutive null bytes are seen.
> xcshell allows the CPU to be controlled via the serial port, using
> a binary protocol.
>
> The code assembles to about 1 KB, so it can be left in an image for
> emergency use.  It's also modular in case someone wants to use it with
> something other than a serial port.
>
> xcsinterp.inc describes the protocol, and xccmd.inc describes the
> command set.

Hi,

out of curiosity..

Would it be possible to enhance the already existing "llshell" with your
features? I would want to prevent more than one assembler written shell
of this type floating around in the coreboot tree.

Best wishes,

Stefan