[OpenBIOS] PIC Passthough( VGA )

[Segher Boessenkool]

On Tue, Dec 19, 2017 at 02:44:49PM -0500, Jd Lyons wrote:
> > On Dec 19, 2017, at 2:40 PM, Segher Boessenkool <segher at kernel.crashing.org> wrote:
> > On Tue, Dec 19, 2017 at 02:09:09PM -0500, Jd Lyons wrote:
> >> Here’s how it handled in SLOF
> >> 
> >> : b?branch ( flag -- )
> >>   ?compile-mode IF
> >>      read-fcode-offset ?negative IF
> >>         dest-on-top postpone until
> >>      ELSE
> >>         postpone if
> >>      THEN
> >>   ELSE
> >>      ( flag ) IF
> >>         fcode-offset jump-n-ip       \ Skip over offset value
> >>      ELSE
> >>         read-fcode-offset
> >>         ?jump-direction jump-n-ip
> >>      THEN
> >>   THEN
> >> ; immediate
> >> 
> >> Do you think something like that would work Segher?
> > 
> > Yeah, something like that.  I don't know if that will solve the problem,
> > but it will solve _a_ problem.
> > 
> 
> True, we may as well make a few improvements to Openbios, if we can………
> 
> Tho I’m having trouble finding where  read-fcode-offset is defined in SLOF.

Something similar in openbios is called fcode-offset .


Segher