Re: Ev86 mode and Linux

teunis (teunis@mauve.computersupportcentre.com)
Wed, 10 Dec 1997 16:33:38 -0700 (MST)


On 9 Dec 1997, Linus Torvalds wrote:

> In article <348D7126.B83BA197@quark.vpplus.com>,
> Brian Gerst <bgerst@quark.vpplus.com> wrote:
> >
> >Linux has the ability to use [e]v86 mode, but the only thing that does
> >use it (to my knowledge) is dosemu.
>
> I don't think the extended-v86 mode is documented well enough for it to
> be used. It seems to do much of what the current kernel v86 mode support
> does, except in hardware rather than in software. However, it probably
> doesn't do it quite the same way, and as the interfaces are "Appendix H"
> from Intel, it's hard to find out about them..

Dr Dobb's Journal "Jan/98" issue (#281) - Undocumented Corner....
Covers extended-v86 enough to finish what Appendix H-ish is missing...
afaik that article's enough.
... pg 126 if that helps :)

G'day, eh? :)
- Teunis