Re: [Xen-devel] [DRAFT RFC] PVHv2 interaction with physical devices

[Pasi Kärkkäinen <pasik@xxxxxx>]

On Wed, Nov 09, 2016 at 06:51:49PM +0000, Andrew Cooper wrote:
> >
> > Low 1MB
> > -------
> >
> > When booted with a legacy BIOS, the low 1MB contains firmware related data
> > that should be identity mapped to the Dom0. This include the EBDA, video
> > memory and possibly ROMs. All non RAM regions below 1MB will be identity
> > mapped to the Dom0 so that it can access this data freely.
> 
> Are you proposing a unilateral identity map of the first 1MB, or just
> the interesting regions?
> 
> One thing to remember is the iBVT, for iscsi boot, which lives in
> regular RAM and needs searching for.
> 

I think you mean iBFT = iSCSI Boot Firmware Table.


-- Pasi


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