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Subject: Re: [Qemu-devel] [PATCH] turn firmware image filename into a
	machine option
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To: Gerd Hoffmann <kraxel@redhat.com>
Cc: Peter Maydell <peter.maydell@linaro.org>, Mark Langsdorf <mark.langsdorf@calxeda.com>, Alexey Kardashevskiy <aik@ozlabs.ru>, QEMU Developers <qemu-devel@nongnu.org>, Fabien Chouteau <chouteau@adacore.com>, Alexander Graf <agraf@suse.de>, Blue Swirl <blauwirbel@gmail.com>, Michael Walle <michael@walle.cc>, =?UTF-8?B?SGVydsOpIFBvdXNzaW5lYXU=?= <hpoussin@reactos.org>, Paul Brook <paul@codesourcery.com>, Anthony Liguori <anthony@codemonkey.ws>, qemu-ppc <qemu-ppc@nongnu.org>, Aurelien Jarno <aurelien@aurel32.net>, Richard Henderson <rth@twiddle.net>

Am 01.10.2013 15:41, schrieb Gerd Hoffmann:
> On Di, 2013-10-01 at 14:20 +0200, Andreas F=C3=A4rber wrote:
>> Hi,
>>
>> Am 01.10.2013 14:16, schrieb Gerd Hoffmann:
>>>> -bios we're stuck with because it's a legacy
>>>> option,
>>>
>>> What is legacy about it?
>>>
>>> Well, the x86-centric name of course.  Thats why the machine option i=
s
>>> named 'firmware' instead.
>>>
>>> It also doesn't use QemuOpts, which is fixed by this patch.
>>>
>>> Anything else?
>>
>> The basic assumption that there is only one piece of firmware. Just li=
ke
>> -bios, -machine firmware=3D will allow only one entry. sPAPR has two.
>=20
> --verbose please.  What they are needed for?

SLOF and RTAS. SLOF is the firmware, and RTAS is requested by the OS
through OpenFirmware client interface.

It is not device-specific, it is more or less part of the firmware but
copied to RAM. I'll let Alex or Alexey comment in more details.

Cheers,
Andreas

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