[coreboot] SeaBIOS not running vga rom

Joseph Smith joe at settoplinux.org
Tue May 12 21:38:54 CEST 2009




On Tue, 12 May 2009 14:30:31 +0200, Rudolf Marek <r.marek at assembler.cz>
wrote:
> Joseph Smith wrote:
>>
>>
>> On Tue, 12 May 2009 14:06:00 +0200, Rudolf Marek <r.marek at assembler.cz>
>> wrote:
>>>> Ok, but do you have vga output or just serial console.
>>> if VGA is initialized in coreboot  -> use the free VGA bios as ROM for
>>> Seabios.
>>>
>> oh so it just acts as a dummy rom for SeaBIOS?
> 
> Yes its not dummy - it is just normal VGA BIOS for VGA compatible
> hardware... So
>   once you have initialized that to this state, you can use that.
> 
> Kevin now started the rewrite to C, I think you can find some preliminary
> version in vgasrc/ of SeaBIOS
> 
So if it not a dummy vga bios what registers does it set to initialize
graphics? 
The lower VESA compatable mmio registers?
Is there a list of vga compatable hardware? Intel?

-- 
Thanks,
Joseph Smith
Set-Top-Linux
www.settoplinux.org





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