[SeaBIOS] POST Memory Manager emulation in SeaBIOS

Kevin O'Connor kevin at koconnor.net
Sun Oct 30 18:36:22 CET 2011


On Sat, Oct 22, 2011 at 01:40:08AM +0700, Darmawan Salihun wrote:
> Hi Kevin,
> 
> >> The log for my target option ROM was inadvertently not included.
> >> Here it is:
> >> ------------
> > [...]
> >> pnp call arg1=50
> >> --------------
> >
> > Hrmm - the PNP support in SeaBIOS is really just a stub.  The 0x50
> > function isn't supported (it looks to be an smbios call).
> >
> > -Kevin
> >
> 
> Is there another file besides pnpbios.c which implement the stub?
> I grep-ed through the SeaBIOS source but that's the only one I found.

The PNP stuff is entirely in pnpbios.c.  The only call supported is
0x60 - which is needed to convince gPXE to relocate itself to high
memory.

-Kevin



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