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xen-devel
Re: [Xen-devel] Re: Vertualization of Unmodified Operating Systems
Ronald G Minnich wrote:
Is there a VT or pacifica laptop out there? Or is that technology
just "assumed" for later CPUs? I'd like to get such a laptop.
It seems to me that I could boot Plan 9 unmodified, and from there,
develop the xenfront drivers I need, thus making test/debug much
easier.
All Apple Intel based Macintosh computers have VT-x capability (as of
April, 2006; I can't speak for future products). However, on some
Mac Mini's a procedure is needed to enable VT-x. I have followed the
procedure 'documented' (I use that word in the loosest of meanings, I
assure you) with correct results:
http://forum.parallels.com/thread577.html
However, I do not know of anyone who has run Xen on top of EFI based
Intel machines. EFI is Intel's replacement for BIOS. The acronym
expands to Extended Firmware Interface. It's a much more powerful
boot mechanism than BIOS and the tools for it are open sourced with
the BSD license:
https://edk.tianocore.org/
In addition, in order to get Xen to work with Mac OS X as dom0, much
work would have to go into porting the device drivers used for
pciback, console, and other event channels; as well as porting the
user applications. It's a non-trivial porting effort, but I'm quite
sure there are those who have contemplated it. (Maybe there's a
brave soul -doing- it?!)
-- Randy
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