[SeaBIOS] [coreboot] [PATCH] SeaBIOS VGA hooks

Joseph Smith joe at settoplinux.org
Wed Jun 9 22:15:59 CEST 2010


On 06/09/2010 02:38 PM, Stefan Reinauer wrote:
> On 6/9/10 8:11 PM, Joseph Smith wrote:
>>
>>
>> On Wed, 09 Jun 2010 19:55:36 +0200, Stefan Reinauer
>> <stefan.reinauer at coresystems.de>  wrote:
>>
>>> On 6/9/10 7:54 PM, Joseph Smith wrote:
>>>
>>>> On Wed, 09 Jun 2010 09:45:28 +0200, Stefan Reinauer
>>>> <stefan.reinauer at coresystems.de>  wrote:
>>>>
>>>>
>>>>> SeaBIOS VGA hooks for Getac P470 and Roda RK886EX notebooks
>>>>>
>>>>>
>>>>>
>>>> This is awsome!
>>>> Acked-by: Joseph Smith<joe at settoplinux.org>
>>>>
>>>> Any chance for a SMI Handler for SeaBIOS coming up?
>>>>
>>>>
>>>>
>>> No... What would that be good for?
>>>
>> Uh, MBI?
>>
> The coreboot SMI handler already implements that. Remember SMI handlers
> stay active even when the OS is loaded.
>
> For security reasons coreboot even locks SMM so that SeaBIOS (or a Linux
> kernel module or root process) couldn't  just install a new handler.
> When experimenting that lock can of course be disabled in the coreboot
> source.
>
>
Hmm, if the SMI handler is only implemented when using YABEL than how is 
one supposed to use SeaBIOS to load vga?


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



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