[SeaBIOS] [Qemu-devel] [PATCH RFC 00/13] qemu: generate acpi tables for the guest
kraxel at redhat.com
Tue May 14 15:53:29 CEST 2013
>>> and is also a good
>>> reason why exposing this information via a common interface (fw_cfg)
>>> would be a good idea.
>> Huh? As far I know we generate device trees in qemu instead of
>> expecting pseries firmware compile them from fw_cfg information.
> It depends on what firmware you are using.
Of course. On archs which don't use device trees in the first place it
doesn't make sense.
> We don't really generate device trees in general in QEMU.
pseries does (thats why the hard libfdt dependency if you want pseries
support). arm wants move into that direction too.
> As Peter mentioned, in an ideal world we'd generate them from the QOM
> That should happen in the firmware and it could be enabled by
> adding just a couple fw_cfg commands to navigate the QOM graph (analogs
> to qom-list and qom-get in QMP).
I don't think Peter intended to imply *that* ...
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