Re: [Qemu-devel] OT: Running qemu without host os?

[Jim C. Brown]

On Fri, Jan 21, 2005 at 11:45:11PM +0100, Peter Karlsson wrote:
> On Fri, 21 Jan 2005, Jim C. Brown wrote:
> 
> > What exactly do you mean by "virtualise the hardware" ?
> 
> virtual_os(hardware access) -> vm -> hardware

That would be interesting. Qemu can't do that yet (it shares hardware via
the help of the host OS, of course, but not direct access).

If you had qemu running multiple OSes, and all of them could access the same
hardware "virtually directly", that would be simply amazing. Not quite sure
how one could go about doing this though..

> 
> > No, that would be the intriquing part. (Actually, a linux host CAN give that
> > access, as long as it is a PCI card you are giving the guest access to - but
> > then only the guest can use it exclusively. Of course Qemu needs to run in 
> > X so
> > this isn't yet possible .. unless you have 2 graphics cards, one of them is
> > PCI, and the linux host is using the other graphic card.)
> 
> Would the other way around work (i.e. linux using pci gfx card and the
> guest os using agp)? Anyway that's good to know. Thanks!

No, it currently only works with PCI. ISA, AGP, USB, and traditional hardware
can't be accessed directly yet (tho it is theoreticly possible).

> 
> Best regards
> 
> Peter K
> 
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