Re: [Qemu-devel] [PATCH 2/2] add fw_dir option to option-rom switch

[Glauber Costa <glommer@redhat.com>]

On Tue, 2011-04-12 at 14:19 -0500, Anthony Liguori wrote:
> On 04/12/2011 01:47 PM, Glauber Costa wrote:
> > For sure, but if we had this discussion a while ago,
> > sgabios wouldn't exist back then, and now it does =p
> 
> Actually, it's been around for ages :-)
> 
> >>>    And the fact that not all of them should
> >>> live in genroms persists.
> >> Actually genroms should disappear.  We should make -option-rom work by
> >> using a dummy PCI device or something like that.
> > In a side track, I think sgabios is a pretty useful addition to qemu.
> > Would you consider including it together with the other roms ?
> 
> Definitely.
> 
> > This would definitely increase the out-of-the box experience.
> >
> > I think we don't even need to have a -vga sga switch then. Since sgabios
> > does not prevent output from going to the normal vga, we could always
> > install it, or install when there is a -serial parameter present.
> 
> Is that true?  It needs to load during video bios init, no?  So doesn't 
> that preclude having a normal video bios installed?

No.

sgabios chains all int10h calls.