[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: [Xen-devel] Test if on newer xen all SSE2 and SSE3 instructions are effectively working



On Thu, Nov 21, 2013 at 10:52 AM, Fabio Fantoni <fabio.fantoni@xxxxxxx> wrote:
> I'm trying to test if on newer xen all SSE2 and SSE3 instructions are
> effectively working.
> I tried this simple program to test SSE2:
> http://forum.nasm.us/index.php?topic=1605.0
> But probably use only instructions with short operand because SSE2 on this
> program is working also on old xen 4.0 where Jan Beulich patches to support
> long operands are missing.
> Are there any minimal program to test if SSE instructions with MMIO operands
>> 8 byte are working?

I don't see the code there doing MMIO -- it's just doing operations on
normal RAM, which is not emulated by Xen at all, but executed natively
by the processor.

What you need is a program that will do this to an MMIO region -- that
will be a much trickier thing to set up, I think.

 -George

_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxx
http://lists.xen.org/xen-devel


 


Rackspace

Lists.xenproject.org is hosted with RackSpace, monitoring our
servers 24x7x365 and backed by RackSpace's Fanatical Support®.