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Re: [Qemu-devel] [SeaBIOS] solaris x86 in qemu? [bisected]

From: Kevin O'Connor
Subject: Re: [Qemu-devel] [SeaBIOS] solaris x86 in qemu? [bisected]
Date: Fri, 14 Jun 2013 21:40:58 -0400
User-agent: Mutt/1.5.21 (2010-09-15)

On Fri, Jun 14, 2013 at 06:14:00PM +0400, Michael Tokarev wrote:
> 14.06.2013 16:36, Gerd Hoffmann wrote:
> >   Hi,
> > 
> >> Hmm.  Speaking of the splitting.  Does the current bios include the
> >> the tables which were split into separate files?
> > 
> > Yes, they are in out/ too after building seabios.  Use "qemu -L
> > /path/to/seabios/out" to make sure qemu picks up matching bios.bin and dsdt.
> Yes I know they're built in seabios/out, and I know one may
> use -L option here.  So that, for example, -bios option of
> qemu makes less sense now than it was before.
> But my question was about something different.
> Can I use current seabios with old qemu which does not provide
> the separate ACPI tables?  For example, does current bios contain
> these tables too, so they're both separate and embedded?


> And the reverse, can I use old bios with new qemu which do provide
> the separate tables?

Yes.  The only limitation is that one can not use the q35 machine type
without also having a new version of seabios.

> Which tables will be used in each case?

SeaBIOS has the "piix4" acpi tables compiled into it, and it will use
those if it doesn't receive a dsdt from qemu.


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