[SeaBIOS] [Qemu-devel] E820 (Re: [v4 PATCH 00/12] SMBIOS: build full tables in QEMU)

Kevin O'Connor kevin at koconnor.net
Tue Apr 1 16:39:02 CEST 2014

On Tue, Apr 01, 2014 at 10:40:00AM +0200, Laszlo Ersek wrote:
> On 03/31/14 22:18, Gabriel L. Somlo wrote:
> > The only sticking point remaining would be who gets to generate the
> > Type 0 (BIOS Information) table and when, which is something QEMU
> > should arguably NOT be doing on behalf of SeaBIOS (or OVMF, or ...).
> > 
> > I guess everyone's busy with QEMU 2.0, so I'll keep playing with this
> > stuff on my own and bring it up again afterwards.
> > 
> > Obviously, more comments and feedback are welcome at any time, should
> > there be any interest :)
> Sorry I can follow this discussion only intermittently.
> - I think OVMF would be fine with the Type 0 table as-is (it has a
> default table and adheres to field-level patches). Full tables for other
> types would be welcome.

When SeaBIOS generates the smbios table, it creates a hardcoded type 0
sub-table.  (See SeaBIOS code src/fw/smbios.c:smbios_init_type_0.)  If
OVMF is okay with the same hardcodes, then I'd suggest QEMU create the
table the same way SeaBIOS currently does.


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