[coreboot] [RFC] port bochs-bios to gcc
Jun Koi
junkoi2004 at gmail.com
Mon Feb 25 10:56:16 CET 2008
On 2/25/08, Stefan Reinauer <stepan at coresystems.de> wrote:
> Jun Koi wrote:
> > Hi Kevin,
> >
> > On 2/22/08, Kevin O'Connor <kevin at koconnor.net> wrote:
> >
> >> FYI. I'm interested in reviving the ADLO effort. I sent the
> >> following email to the bochs developers mailing list.
> >>
> >>
> >
> > I think one of the reasons why they wrote the BIOS in asm is because
> > it makes the result code small, as the size is limited in 64KB. What
> > do you do to make sure that the ported code stays within the limit?
> >
>
> plus, some addresses in those 64k are hard wired to specific interrupt
> handlers. Quite some code out there assumes this.
>
Kevin solved that by putting some in asm (romlayout.S)
> It's still possible, but it wont be completely clean and easy.
>
Yes, but now the asm code significantly reduced!
The curent code is not complete, but looks pretty clean. This is
definitely way to go. Keep it up, Kevin!
Thanks,
J
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