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

[Peter Karlsson]

On Fri, 21 Jan 2005, Karl Magdsick wrote:

> Additionally, I believe QEMU only uses X11 through SDL.  I also
> believe that SDL is primarily used in conjunction with device
> emulation... so if you're getting rid of all emulated devices, it
> would seem that the use or disuse of the -nographic option would be
> irrelivant unless you went through a LOT of trouble to snoop and
> interpret what the guest was writing to the graphics card.  By giving
> the guest access to real graphics, sound, mouse, and keyboard
> hardware, you are pretty much cutting SDL out of QEMU.
>
> Presumably, you would have the host hide a NIC from the guest and
> provide an emulated NIC or else a second physical NIC for the guest to
> use.  You would then use the hidden NIC to remotely log all of the
> data you were collecting while spying on the drivers.  The hidden NIC
> would also presumably be the only way to interact with the minimalist
> host.  You could also do something similar with HD controllers rather
> than NICs and log everything to a hidden HD.  However, a flaw in your
> virtualization/emulation would put local logs at risk for corruption.
>
> A hidden NIC or an emulated keyboard chipset would almost be mandatory
> in order to communicate with the minimalist host.

Possible scenario?:

*Linux host, one hidden nic, running sshd.
*windows 2000 guest os with ati windows drivers.
*host releases relevant hardware (radeon 9800xt, keyboard,
mouse) to guest os.

Would that work?

Best regards

Peter K

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