[coreboot] coreboot BIOSisms

Joseph Smith joe at settoplinux.org
Wed Jun 11 02:55:09 CEST 2008

> -----Original Message-----
> From: coreboot-bounces at coreboot.org [mailto:coreboot-bounces at coreboot.org]
> On Behalf Of Kevin O'Connor
> Sent: Tuesday, June 10, 2008 7:02 PM
> To: Joseph Smith
> Cc: coreboot at coreboot.org
> Subject: Re: [coreboot] coreboot BIOSisms
> Hi Joseph,
> On Tue, Jun 10, 2008 at 08:46:07AM -0400, Joseph Smith wrote:
> > > Given the above, I see two possibilities.
> > >
> > > The first involves having coreboot build the standard tables.
> >
> > Like I said why not just have a mini program between the two that
> handles
> > this operation.
> Where does this "mini program" get the data?  It will face the same
> issues I outlined in my previous email.
> >It could be added to coreboot or legacybios as an option
> > module. The mini program would read the coreboot tables and what ever
> else
> > it needed and then set these tables up in a format that coresponds with
> > legacybios, and finally passes the tables to legacybios.
> The coreboot table today does not provide sufficient information to
> build the acpi/pir/mptable/smbios tables.
> We could extend the coreboot table - but what's the point of defining
> our own intermediate format.  For example, if the end consumer wants
> an smbios table, why translate from "coreboot->coreboot
> table->legacybios->smbios table" when we can just go from
> "coreboot->smbios table"?
> >Does it have to be more complicated than that?
> Adding an additional program in between seems to make things more
> complicated.
Just trying to help with the brain storming process. I am not in any way
trying to make things more complicated. I just think It is going to take a
lot of work, changing the coreboot core code. And very careful at that not
to break the core code from using other payloads. That's why I am suggesting
an option module.

Joseph Smith

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