Re: [Qemu-devel] [RFC ppc-next v3 08/10] mac_nvram: QOM'ify MacIO NVRAM

[Markus Armbruster <armbru@redhat.com>]

Andreas Färber <afaerber@suse.de> writes:

> It was not qdev'ified before, turn it into a SysBusDevice and
> initialize it via static properties.
>
> Prepare Old World specific MacIO state and embed the NVRAM state there.
>
> Drop macio_nvram_setup_bar() in favor of sysbus_mmio_map() or
> direct use of Memory API.
[...]
> diff --git a/hw/macio.c b/hw/macio.c
> index 0e6fc8d..32f359c 100644
> --- a/hw/macio.c
> +++ b/hw/macio.c
[...]
> @@ -85,11 +93,22 @@ static int macio_common_initfn(PCIDevice *d)
>  static int macio_oldworld_initfn(PCIDevice *d)
>  {
>      MacIOState *s = MACIO(d);
> +    OldWorldMacIOState *os = OLDWORLD_MACIO(d);

I find aliasing pointers like these mildly confusing, and prefer to
avoid aliases.  Matter of taste, I guess.

> +    SysBusDevice *sysbus_dev;
>      int ret = macio_common_initfn(d);
>      if (ret < 0) {
>          return ret;
[...]