Resource Allocation for Option Rom
stepan at openbios.org
Sat May 29 04:38:00 CEST 2004
* Eric W. Biederman <ebiederman at lnxi.com> [040529 05:29]:
> Stefan Reinauer <stepan at openbios.org> writes:
> > indeed true. But for x86 hardware, putting all of the x86 emulator in
> > rom is less elegant than vm86 stuff, even though I have no clue about
> > the later.
> Last I heard some Option Roms switch to 32bit mode. You can't do
> that in vm86 mode. In general using vm86 is a way to put your fate
> in someone else's hands.
Uh, this was the kind of thing I was scared would be the case. what
happens in such a case? Is there any way to trap this and at least
safely state that the device can't be supported?
> We could possibly call the option roms directly but unless the space
> cost is high an open source emulator is a good choice.
So the goal should rather be to reduce the size of the emulator than to
introduce different code paths for different platforms it seems.
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