[Xen-devel] Re: [SeaBIOS] Xen HVM Support

[Ian Campbell <Ian.Campbell@xxxxxxxxxxxxx>]

On Mon, 2011-06-06 at 02:20 +0100, Kevin O'Connor wrote:
> On Wed, Jun 01, 2011 at 10:59:10AM +0100, Ian Campbell wrote:
> > The following enables support for running SeaBIOS as the virtual BIOS
> > in a Xen HVM (fully-virtualised) guest.
> > 
> > In this series SeaBIOS is loaded by hvmloader (the Xen early firmware)
> > rather than directly as was previously tried. This approach turned out
> > to be far less intrusive on the SeaBIOS side and leaves knowledge of
> > the virtual hardware setup encapsulated within hvmloader which is
> > updated in lock step with the hypervisor and associated tools.
> > 
> > BIOS tables are built by hvmloader and passed to SeaBIOS via a simple
> > in memory data structure. The tables are identified by scanning for
> > their signatures which is hopefully extensible enough but the core
> > structure can also be extended as necessary.
> 
> It looks okay to me.

Thanks.

All the Xen side pieces are in place already (although not set in stone
if you find something you would like done different).

Ian.


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