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SubjectRe: [off-topic] Fully virtualisable CPUs (fwd)
Forwarded message:
> Date: Tue, 10 Sep 1996 21:45:18 +1000

> wrote:
> >
> > It seems to me trivial to have a little virtualisable module which
> > simply picked up an instruction, examined it for whether it was trying
> > to get a report on CPU state, and then recoded the instructions to do
> > the CPU state manually, and at the end of the code piece jump back
> > into the little just-in-time-interpreting-reassembler for the next
> > instruction.

Can any of the non-x86 CPUs that linux runs on be virtualized? It might be
really nice to be able to run Linux under Linux as a user process for
debugging purposes.

When Jim Paradise first did the Linux port, there was a program which
provided a virtual AXP machine on AXP, x86, and Sparc platforms. I forget
what it was called (isp?), but that was how I first booted Linux/Alpha. Does
anyone know if that program will still run current Linux kernels?


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