[SeaBIOS] [PATCH] Support more than one vga card

Jan Kiszka jan.kiszka at web.de
Sat May 28 11:08:34 CEST 2011

On 2011-05-04 01:02, Glauber Costa wrote:
>>>>> Also, let us not focus only in the specifics: Having two pci vga cards
>>>>> is a real possibility, there's even a use case for that, as anthony
>>>>> mentioned.
>>>> If you call the init function of two vga roms, will the last one win and hook int 10h?
>>> Yes.
>> This might not always be the desired case. How can i control which card wins?
> Bus enumeration order, only.
> But that's a good question. Maybe we should come up with a method other
> than bus enumeration for that. But at the tip of my tongue, none come to
> mind.

Normal BIOSes include an option in their menu to select the primary
adapter. For QEMU use, we likely want some fw_cfg channel for this so
that the user can select the primary adapter during VM configuration.
Would be a nice feature.


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