Re: Update Seabios on xen-unstable

[Fabio Fantoni <fantonifabio@tiscali.it>]

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Il 04/01/2013 13:10, Ian Campbell ha scritto:
> On Fri, 2013-01-04 at 11:58 +0000, Fabio Fantoni wrote:
>> Can be enabled the reconstruction of the bios tables with seabios
>> instead of mantain hvmloader tables or is necessary hvmloader tables for
>> correct domU working?
> The hvmloader provided tables are the correct ones to use. This is the
> same as the coreboot model where coreboot provides the tables to
> SeaBIOS.
>
> AFAIK the SeaBIOS tables are a qemu/kvm-ism.
>
>> I want try if seabios tables solves the problem.
>> If yes what I must change on seabios code for test it?
> Yes, substantially.
>
> I very much doubt it will make any difference to whatever issue you are
> having and would be a waste of time.
>
> I don't think your issue will be solved by trying random things like
> this anyway. If you are interested in fixing this then you are going to
> have to dive in and try to understand the code well enough to figure out
> what is going wrong.
>
> Ian.
>
>
>
> -----
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>
>
I see the "HVM firmware passthrough" patch, but I not found 
documentation about it.
Can I use it to do a rapid test adding qxl vgabios?
With xen seabios is built-in into hvmloader (instead of kvm and qemu).
I didn't see any fixed paths to link vgabioses so I think that seabios 
can't autoload it in xen now.


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