[SeaBIOS] [Xen-devel] SeaBIOS causing Xen HVM VCPU Triple fault

[Ian Campbell]

On Sun, 2014-02-09 at 10:23 +0400, Michael Tokarev wrote:
> 07.02.2014 15:40, Ian Campbell wrote:
> []
> > Note that the SeaBIOS image is baked into Xen at build time, not picked
> > up at runtime like with (I think) qemu.
> 
> Oh. Now things are much clearer.  Indeed, qemu does not embed seabios inside
> any image at build time, it just loads the bios from a given file, and you
> can even tell it to use another bios.  Ditto for other optional roms, network
> boot roms, vga bios and other things.
> 
> And so yes, with new xen builds it should just pick bios-256k.bin from qemu
> instead of bios.bin, so indeed, qemu does not need to build xen support for
> a smaller version of bios.bin it ships, anymore.  So finally I see the good
> reason of what Gerd did when removing xen support from small bios.bin.
> 
> Is it possible to change xen to do something similar?

I suppose it's a SMOP, so all that is needed is for someone who is
interested to do the work.

Ian.