Re: [partial-reconfig] Probing for research topics

[John Williams <jwilliams@xxxxxxxxxxxxxx>]

Hi Jingzhao


Jingzhao Ou wrote:

> John, when I looked at your ERSA paper, you manually created the partial 
> bistream using FPGA editor (I tried as well. Yes, that is very painful! 
> :-) ). You also mentioned that you are working on the module-base 
> partial reconfiguration and seem to already make quite some progress. 
> Are you willing to sharing some of your experiences?

I don't know if there's much value in the actual designs and scripts I 
did - that was with an earlier version of EDK, and there is now at least 
one major change to how EDK operates, that should make this task a lot 
easier.

In the implementation subdirectory, there is now a 2nd level subdir for 
each core in the project.  Previously, all cores were synthesised into 
the same directorty, so you had to move the netlists around prior to any 
kind of partial flow.

If I were to revisit this, I would use a toplevel wrapper around the 
microblaze system, with some kind of external interface to the bus 
macros, and instantiate the microblaze subsystem as the 2nd level.

I have reason to believe that support for partial reconfiguration etc 
should be significantly improved in a future version of the tools (7.1 
maybe?) - I certainly hope that is true!

Regards,

John

> 
> Thanks a lot!
> 
> Jingzhao Ou ( a Tcl guy )
> 
> 
> Sean Durkin wrote:
> 
>> Kevin Somervill wrote:
>>
>>> Hello,
>>> I am looking into my master's thesis on partial reconfiguration and have
>>> been searching for papers on the topic to get a feel for what types of
>>> activities and research is going on.  If any of you have an suggestions
>>> or could share what type of work you are doing, I would appreciate it.
>>
>>
>> I did my master's thesis on partial reconfiguration as well, using the
>> PowerPC-core embedded in VirtexII-Pro-FPGAs and the MicroBlaze 
>> softcore to reconfigure image processing algorithms running in the 
>> same FPGA. I'd send you a download-link for the .pdf, but the entire 
>> thing is in German, so may not be very useful to you...
>>
>> cu,
>> Sean
> 
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