Peter Jeremy <peterjeremy_at_optushome.com.au> writes: > On 2009-May-20 08:30:09 +0800, Adrian Chadd <adrian_at_freebsd.org> wrote: >>Xen also lets you write "other" OSes without needing to care about the >>hardware. One of my friends bootstrapped a toy OS of his inside Xen. >>He can then run it on any and all Xen boxes, unmodified, regardless of >>the underlying hardware. That really hasn't been exploited to its full >>potential though. > > This isn't a particularly new idea: The 'CMS' part of IBM VM/CMS was a > hypervisor-aware OS that couldn't run on bare metal. > > Relying on the hypervisor for some "traditional" OS services offers > plenty of scope for interesting developments. One area would be in > University Operating Systems courses - it would again be possible to > offer practical coursework on operating systems that are comprehendable > in their entirety (ala V6 and Minix). You can use microkernels[1] for almost the same thing. It's what we do at Technische Universität Dresden. Regards, -- Julian Stecklina The day Microsoft makes something that doesn't suck is probably the day they start making vacuum cleaners - Ernst Jan Plugge Footnotes: [1] There is a sexy new microhypervisor to be released Real Soon Now(tm) too: http://eurosys09dw.systems.ethz.ch/steinberg.pdfReceived on Fri May 22 2009 - 10:58:21 UTC
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