Re: [Xen-devel] [RFC][PATCH] Emulate instructions in vm86 mode

[Bastian Blank <bastian@xxxxxxxxxxxx>]

On Thu, Sep 07, 2006 at 01:42:02PM +0100, Keir Fraser wrote:
> > I'm not sure if this is the correct fix or if we should call the gpf
> > handler of the running system. At least the support in linux reports
> > traps back to the userspace caller which is not possible if emulated in
> > xen.
> There are also data operands of some instructions that may need fixing
> (INS/OUTS). What happens if you just bail to the guest's GPF handler if in
> vm86 mode?

I don't know how to do that.

There is some code to pass it to the guest in do_general_protection, but
I don't know why it fails than.

Bastian

-- 
You're dead, Jim.
                -- McCoy, "Amok Time", stardate 3372.7

signature.asc
Description: Digital signature

_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-devel