[coreboot] [Qemu-devel] Release plan for 0.12.0
aliguori at us.ibm.com
Mon Oct 5 15:03:00 CEST 2009
Stefan Reinauer wrote:
> Anthony Liguori wrote:
>> Patrick Georgi wrote:
>>> With coreboot, seabios and Duet, it should be reasonably simple to
>>> provide a single BIOS image that selects (based on nvram - ie.
>>> configuration) which interface to provide: PCBIOS or UEFI.
>> That isn't terribly useful for QEMU because it implies that QEMU needs
>> to make the decision about which one to use. If QEMU was capable of
>> making that decision without user intervention, then we could just
>> select to load PCBIOS or UEFI.
> Are you guys sure you want to go down that road rather than using an
> UEFI with a CSM?
We'll I've been advocating UEFI + CSM (based on SeaBIOS) so I'm not sure
what you meant by 'that road'.
> This was attempted for Open Firmware and never happened during its life
> time. I doubt there is any incentive for vendors to ship devices without
> legacy option roms, especially since there is no advantage in doing so.
We'll be stuck with legacy option roms for a long, long time. But I
also expect there will be a few devices out there that only provide EFI
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