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Re: [Qemu-devel] QEMU Alpha target
From: |
J. Mayer |
Subject: |
Re: [Qemu-devel] QEMU Alpha target |
Date: |
Thu, 29 Mar 2007 23:01:00 +0200 |
On Thu, 2007-03-29 at 16:25 +0100, Paul Brook wrote:
> On Thursday 29 March 2007 16:12, Stuart Brady wrote:
> > On Thu, Mar 29, 2007 at 04:08:25PM +0100, Paul Brook wrote:
> > > > There do seem to be a few people who'd like Alpha emulation for QEMU.
> > > > Obviously, you'd want to get dynamic translation working first. :-)
> > > >
> > > > OTOH, I'm now wondering which archs can support full virtualisation.
> > >
> > > Depends how you define "full virtualization". If you call kqemu full
> > > virtualization then you can do that on pretty much any CPU.
> >
> > I meant "meeting Popek and Goldberg's virtualisation requirements".
>
> In that case, I suspect most of them don't.
> x86 certainly doesn't. Recent VT/SVM extensions bring it close, but there are
> still problems.
> PPC and SPARC also have hypervisor extensions, which suggests the
> conventional
> instruction sets don't allow full virtualization.
PowerPC is fully virtualisable which is what Mac-On-Linux is supposed to
do. But this has a cost. Hypervisor mode seems to exists only to do the
same without any performance degradation.
--
J. Mayer <address@hidden>
Never organized
- Re: [Qemu-devel] 0.9.0 and svn don't build with -march=pentium2 etc.; was: Latest SVN fails to build on Fedora Core 6 (same with 0.9.0), (continued)
- Re: [Qemu-devel] 0.9.0 and svn don't build with -march=pentium2 etc.; was: Latest SVN fails to build on Fedora Core 6 (same with 0.9.0), Rob Landley, 2007/03/28
- Re: [Qemu-devel] 0.9.0 and svn don't build with -march=pentium2 etc.; was: Latest SVN fails to build on Fedora Core 6 (same with 0.9.0), Thomas Orgis, 2007/03/29
- [Qemu-devel] QEMU Alpha target, Stuart Brady, 2007/03/29
- Re: [Qemu-devel] QEMU Alpha target, Paul Brook, 2007/03/29
- Re: [Qemu-devel] QEMU Alpha target, Stuart Brady, 2007/03/29
- Re: [Qemu-devel] QEMU Alpha target, Paul Brook, 2007/03/29
- Re: [Qemu-devel] QEMU Alpha target,
J. Mayer <=
- Re: [Qemu-devel] 0.9.0 and svn don't build with -march=pentium2 etc.; was: Latest SVN fails to build on Fedora Core 6 (same with 0.9.0), Sunil Amitkumar Janki, 2007/03/29
- Re: [Qemu-devel] 0.9.0 and svn don't build with -march=pentium2 etc.; was: Latest SVN fails to build on Fedora Core 6 (same with 0.9.0), Stuart Brady, 2007/03/29
- Re: [Qemu-devel] 0.9.0 and svn don't build with -march=pentium2 etc.; was: Latest SVN fails to build on Fedora Core 6 (same with 0.9.0), J. Mayer, 2007/03/29
- Re: [Qemu-devel] 0.9.0 and svn don't build with -march=pentium2 etc.; was: Latest SVN fails to build on Fedora Core 6 (same with 0.9.0), Brian Wheeler, 2007/03/29
- [Qemu-devel] QEMU Alpha target, Stuart Brady, 2007/03/29
- Re: [Qemu-devel] QEMU Alpha target, J. Mayer, 2007/03/29
- Re: [Qemu-devel] QEMU Alpha target, Stuart Brady, 2007/03/29
- Re: [Qemu-devel] QEMU Alpha target, Thomas Orgis, 2007/03/29