[coreboot] [PATCH] SeaBIOS VGA hooks

Joseph Smith joe at settoplinux.org
Wed Jun 9 23:03:33 CEST 2010

On 06/09/2010 04:57 PM, Stefan Reinauer wrote:
> On 6/9/10 10:15 PM, Joseph Smith wrote:
>>> 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?
> The i82830 SMI handler is implemented and enabled completely independent
> of any option rom initialization in coreboot itself.
Ok cool. Then I guess SeaBIOS just needs to be able to load vga bios and 
mbi rom. Correct?

Joseph Smith

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