Re: [Qemu-devel] [RFC ppc-next v3 00/10] target-ppc: MacIO QOM'ification

[Markus Armbruster <armbru@redhat.com>]

Andreas Färber <afaerber@suse.de> writes:

> Hello,
>
> As requested by Markus, here's a conversion of MacIO IDE to QOM.
> There's more work to be done, but in light of the approaching Soft Freeze
> here's my current state of affairs, lightly tested.
>
> Patch 1 is a generic QOM API fix and could be applied independent of the
> ppc device conversion.
>
> Patch 2 goes on to move PowerMac machines to hw/ppc/ as discussed with Alex.
> The intent would be to do the same for PReP once applied.
>
> The remainder revives an old patch from the time of QOM introduction to split
> MacIO in two, allowing to move more logic into the device from the machine.
> This time it adopts new QOM concepts for embedding the sub-devices converted
> in the following patches. TODO: finalization support / object_unref().
>
> ADB is still being worked on. DBDMA still TODO (but then again so is x86 DMA).
> ESCC would affect sparc as well.
> The PICs pose cyclic dependency issues (mapped inside MacIO but MacIO as a
> PCIDevice needing a PCIBus, the Grackle/UniNorth PHBs needing a PIC IRQ).

Looks like a useful step forward to me already, and I'm looking forward
to patches you consider merge-worthy.  Thanks!