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 <[EMAIL PROTECTED]> Never organized
