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Date: Tue, 15 Dec 2009 19:32:18 -0600
From: Anthony Liguori <anthony@codemonkey.ws>
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Subject: Re: Proper support for PCI-based option rom loading (was Re:
	[Qemu-devel] Re: qdev property bug?)
References: <20091214203428.GI6150@redhat.com>
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To: Chris Wright <chrisw@redhat.com>
Cc: "Michael S. Tsirkin" <mst@redhat.com>, glommer@redhat.com, seabios@seabios.org, qemu-devel@nongnu.org, Alexander Graf <agraf@suse.de>, Kevin O'Connor <kevin@koconnor.net>, Gerd Hoffmann <kraxel@redhat.com>, Sebastian Herbszt <herbszt@gmx.de>

Chris Wright wrote:
> * Anthony Liguori (anthony@codemonkey.ws) wrote:
>   
>> BTW, I'm pretty sure this style of option rom loading (from a PCI
>> device) is going to be required for device passthrough if we want to
>> support running those roms in the guests.
>>     
>
> I think so too.
>
>   
>> In fact, it should Just
>> Work with my patches !CONFIG_OPTIONROMS_DEPLOYED in SeaBIOS.
>>     
>
> What would be the magic to boot from that ROM?
>   

Setup device assignment, add -boot menu=on with my patches, and hit F12 
when prompted.  In theory, you should see an entry for the device.

If not, the output with DEBUG_BIOS enabled in hw/pc.c would be very 
interesting.

Regards,

Anthony Liguori