[coreboot] [PATCH] SeaBIOS VGA hooks

Stefan Reinauer stefan.reinauer at coresystems.de
Wed Jun 9 22:57:53 CEST 2010

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.


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