[coreboot] Question about how CoreBoot handles Option ROM

ron minnich rminnich at gmail.com
Wed Aug 19 17:22:07 CEST 2009


On Wed, Aug 19, 2009 at 7:44 AM, Jeffrey C. Jacobs<biosdev at timehorse.com> wrote:
> I was wondering if someone could point me to the right direction in terms of
> where in CoreBoot is are the various system Option ROMs copied.  As I
> understand it, Option ROMs are generally found by probing the PCI bus and
> copied into RAM so that they can be handled by INT13 requests.  So, I'd like
> to know what part of the code handles that and also how the memory map of
> those copied addresses are laid out.

nowadays, most of the work  is  done in cbfs.

ron




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