[Qemu-devel] Re: r6777 breaks running sun OPB images

[Robert Reif]

Blue Swirl wrote:
> On 3/24/09, Robert Reif <reif@xxxxxxxxxxxxx> 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.