On Fri 2008-01-18 01:27:06, H. Peter Anvin wrote:
> Kyle McMartin wrote:
> >On Fri, Jan 18, 2008 at 06:53:53AM +0100, Andi Kleen
> >wrote:
> >>One problem that we had in the past is that some
> >>simulators
> >>only implement the absolutely minimum feature set and
> >>you
> >>might have well broken one of these with this.
> >
> >Yeah, true. Please ignore the patch folks.
> >
> >cheers, Kyle
>
> Simulators can be fixed, even if it takes time; for
> something like clflush this is easier since clflush can
> be implemented as a simple noop for most of them.
>
> I just verified that Bochs 2.3.0 lacks this CPUID bit
> whereas the current version, 2.3.6, enables CLFLUSH iff
> SSE2 is enabled. Qemu 0.9.0 has CLFLUSH. Andi, do you
> happen to know of any specific simulators which are
> problematic? I would assume any recent version of
> SimNow is up to date.
simics? It was very useful long time ago...
Pavel
--
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