> I was wondering if it is theoretically possible to port an 386
> emulator (bochs for instance) to Xen and run an unported OS on top of
> that emulator.
Yup. You''d probably want to use QEmu for speed. However, I''m
not sure this
has any advantage over just running your chosen emulator in a guest Linux:
it''s still emulating everything, so it''ll still be slow.
> Does an emulator running on top of Xen have to
> implement all device drivers itself or can it simply let the host
> access the hardware immediately?
It''d have to emulate the device seen by it emulated guest but it could
then
use a standard virtual device driver (as used by all guests) in order to
satisfy IO requests.
HTH,
Mark
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