Re: [Xen-devel] QEMU upstreaming: status and todo

[Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>]

On Wed, 5 Jan 2011, Keir Fraser wrote:
> On 05/01/2011 17:03, "Stefano Stabellini" <Stefano.Stabellini@xxxxxxxxxxxxx>
> wrote:
> 
> > - switch to SeaBios
> > Qemu uses SeaBios, that has several advantages on RomBios, one of them
> > is that SeaBios is actually maintained.
> > It makes sense to switch from the old Qemu and the old bios to a new
> > Qemu and a new bios at the same time in order to reduce the
> > compatibility pains to users.
> 
> Are the two really dependent on each other? Our virtual firmware seems to
> work okay now, it took a while to get there, and it now rarely needs to be
> fixed. I guess I don't care about the legacy rombios/vgabios bits too much,
> but I'd be unhappy about throwing away all our ACPI stuff. That was a pain
> to actually get working well. That means you can have
> tools/firmware/{rom,vga}bios if you want, but trickier to mess with anything
> under tools/firmware/hvmloader.
 
I was proposing only to replace rombios: from a conversation we had with
the SeaBios maintainer at LPC, I think SeaBios can be made to work from
hvmloader without too much trouble. However I haven't read the code so
this needs to be tested.

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