[patch][rfa] Dynamic Configuration of SID

[Dave Brolley]

I've committed this.

Dave

Dave Brolley wrote:

> Hi,
>
> A customer of our showed some interest in dynamic configuration of SID 
> simulations from the point of view of "warming up" the simulator in 
> various situations. This generally means limiting high overhead 
> functionality (tracing, performance analysis, etc.) to areas of the 
> target application which are of greatest interest.
>
> Attached are overviews of external and internal specs of how this 
> could be applied to SID along with a patch which implements the spec.
>
> Comments are appreciated and, as always, I'm looking for approval to 
> commit this work.
>
> Thanks,
> Dave
>