Of course it is difficult, it may be impractical, but it _is_
possible. And I see it as no more difficult than a proposal to
write some undefined voodoo that Windows(tm) will miraculously run on.
At least MY voodoo is defined ;)
On Tue, 31 Mar 1998, Joseph Malicki wrote:
> Oliver Xymoron wrote:
>
> > On Mon, 30 Mar 1998, Joseph Malicki wrote:
> >
> > > Because you CANNOT provide a PURE VM unless you emulate opcodes, which is a
> > > real pain in the ass. Intel CPU's are not fully virtualizable, and there is
> > > NO way to safely run 32-bit Windows under linux without emulation.
> >
> > Emulation can, however, consist of a JIT recompiler that *does nothing* in
> > the case of stretches of opcodes that don't need to be emulated. Meaning
> > the vast majority of the code in something like Windows can in theory be
> > run with no overhead.
>
> Yes, but emulation of x86 is not worth it in DosEMU, and I do not think the person
> I replied to understood why DosEMU had the EMM layer or knew much about the
> protection of x86 chips that make it difficult, and undesirable for most, to go
> the route of emulation of ring-0 code.
>
>
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