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Date: Wed, 26 Sep 2012 14:08:04 +0200
From: Thomas Huth <thuth@linux.vnet.ibm.com>
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Subject: Re: [Qemu-devel] [Qemu-ppc] RFC: NVRAM for pseries machine
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To: "qemu-ppc@nongnu.org" <qemu-ppc@nongnu.org>
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Am Wed, 26 Sep 2012 10:56:07 +0200
schrieb Alexander Graf <agraf@suse.de>:

> 
> 
> On 26.09.2012, at 03:18, David Gibson <david@gibson.dropbear.id.au> wrote:
> 
> > On Wed, Sep 26, 2012 at 03:03:10AM +0200, Alexander Graf wrote:
[snip]
> >> spapr-nvram:
> >> 
> >>  if (!drive || checksum_is_bad(drive))
> >>    autogenerate_nvram_contents();
> > 
> > Actually, I'm planning for the initialization of the content to be
> > done from the guest firmware.
> 
> Does the guest have all information necessary to construct a workable nvram image? If so, then yes, that's even better.

At least SLOF already contains the code to initialize the PAPR-style
NVRAM partitions from scratch. So as soon as SLOF can work with this
new NVRAM devices, it should be able to initialize the required layout.

 Thomas