Re: [Gems-users] atomic bus

[Mike Marty <mikem@xxxxxxxxxxx>]

There is no atomic bus in GEMS.  You would have to implement that
yourself.  MOSI_SMP_bcast relies on an ordered broadcast to function
correctly.

--Mike


> Hi,
>
> I have a question regarding modeling of an atomic bus in GEMS. I read an old
> post about HIERARCHICAL_SWITCH providing ordering but that the interconnect
> is not globally atomic, which I would like to have. Furthermore, it was
> written that the atomicity could be maintained in the protocol
> (MOSI_SMP_bcast).
>
> I have looked in the MOSI_SMP_bcast* files in the protocol directory, but
> failed to understand where to begin in order to achieve atomicity. Have I
> looked at the right place? Is there any documentation from previous
> experience regarding setting up an atomic bus? As I do not know where to
> begin I would appreciate some pointers...
>
> Thanks.
>
> Regards,
> /Mladen
>
>
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