[coreboot] SeaBIOS debug output

Myles Watson mylesgw at gmail.com
Thu Jul 17 03:29:29 CEST 2008


> -----Original Message-----
> From: Kevin O'Connor [mailto:kevin at koconnor.net]
> Sent: Wednesday, July 16, 2008 7:20 PM
> To: Stefan Reinauer
> Cc: Myles Watson; Jordan Crouse; Carl-Daniel Hailfinger; Coreboot
> Subject: Re: [coreboot] SeaBIOS debug output
> On Wed, Jul 16, 2008 at 08:57:15PM +0200, Stefan Reinauer wrote:
> > Myles Watson wrote:
> > > SeaBIOS has no way of knowing where onboard ROMs are stored.  That
> > > seems like a problem that needs to be solved.
> Finding the option roms is easy - they are located between 0xc0000 and
> 0xe0000 and are 2KiB aligned.

That can be true after Coreboot copies them there.  Devices which have
option ROMs on the card are located somewhere in the PCI address space until
they are copied.  On-board devices have their option ROMs contained
somewhere in the BIOS chip.


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