Re: [SeaBIOS] [coreboot] [PATCH] SeaBIOS VGA hooks

[Stefan Reinauer]

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.

Stefan