RE: [Xen-devel] (free)dos under xen

["Ian Pratt" <m+Ian.Pratt@xxxxxxxxxxxx>]

> I may have already asked this a while ago... would it be possible for
> dos (free or ms) to run under xen, or does it have to be 'protected'
> mode operating system?
> 
> And if dos worked, what are the chances of getting some of the 386
> extender (dos4gw if I remember correctly) style games working? Or is
> that precisely the thing that would need to be recompiled to 
> work under
> xen?
> 
> If only real mode dos could work, how easy would it be to 
> modify the xen
> scheduler to simulate a much slower machine?

Now that Xen supports vm86 mode, it probably wouldn't be a huge amount
of work to get dos or other 16 bit apps working. You'd have to think
through what to do about IO, though. Possibly hook into the emulation
stuff that's used for VMX guests.
Feel free :-)

Cheers,
Ian


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