[Qemu-devel] Re: [PATCH][SEABIOS] Move qemu config port access functions into separate file.

[Kevin O'Connor <kevin@koconnor.net>]

On Tue, Sep 15, 2009 at 08:43:39AM +0300, Gleb Natapov wrote:
> On Mon, Sep 14, 2009 at 08:08:24PM -0400, Kevin O'Connor wrote:
> > As an aside, it would be good to have a conversation on general BIOS
> > configuration options.  These types of settings are going to be useful
> > on real hardware also - it would be nice to come up with a scheme that
> > would work on qemu and coreboot.  Maybe something like
> > get_config_u32("ShowBootMenu") - where on qemu it would get the info
> > from the qemu port but on coreboot it would pull the setting from the
> > coreboot flash filesystem.
> > 
> Lets have conversation now. Sounds useful to me. Do you want to use
> strings as option names though? They add to BIOS image size and it is
> limited, no?

My preference is strings - I think the long-term flexibility they
provide is worth the slight additional overhead they require.

Currently, SeaBIOS is just under 64K -- if features continue to get
added (eg, usb keyboard/boot) then it will likely creep into the
e-segment.  I don't foresee any hard limits on space coming up.

-Kevin