Re: Ev86 mode and Linux

Juhani Rautiainen (jrauti@sasu1.carelian.fi)
Thu, 11 Dec 1997 15:44:14 +0200 (EET)


On Wed, 10 Dec 1997, teunis wrote:

> 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 :)
>
>
And same (I think) article can be found from
http://www.x86.org/ddj/Jan98/Jan98.html.

More articles should be coming later with source examples.

Juhani

--
Juhani Rautiainen		jrauti@iki.fi