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[Qemu-devel] Re: r6777 breaks running sun OPB images
From: |
Blue Swirl |
Subject: |
[Qemu-devel] Re: r6777 breaks running sun OPB images |
Date: |
Sat, 28 Mar 2009 08:32:04 +0200 |
On 3/27/09, Robert Reif <address@hidden> wrote:
> Blue Swirl wrote:
>
> > On 3/24/09, Robert Reif <address@hidden> wrote:
> >
> >
> > > Sparc SS5-170 Open Boot PROM images run differently after this patch.
> > >
> > > In particular, POST is no longer run. I can provide the PROM image if
> > > necessary for testing.
> > >
> > > Can we make NVRAM environment variables OBP compatible or persistent
> some
> > > how so we can run either OBP or OpenBIOS?
> > >
> > >
> >
> > Maybe, if there is a good spec for the variable format and other
> structures.
> >
> >
> >
> I think adding a persistent mode to NVRAM so it's contents can be either
> generated for OpenBIOS like it is now or read from and written to a file
> based on what Open Boot PROM does. That way you don't need to add a new
> mode to Open BIOS and you don't need to know what Open Boot PROM does.
That would work too. Bonus points offered for making the specific
device state save/load stuff generic (available for all devices) using
both savevm/loadvm and raw formats.