Is there a way to get an STA report for a specific...
# openlanem
Matt Venn
05/29/2022, 5:38 PMIs there a way to get an STA report for a specific part of the design? I have a counter for a ring oscillator and I want to check the counter will be able to deal with the speed.
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Matt Liberty
05/30/2022, 3:33 AMreport_checks' -through option is generally helpful
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Matt Venn
05/30/2022, 4:23 PMany docs? any ideas on how to run it?
Matt Venn
05/30/2022, 5:15 PMI just tried adding the net to the clock_net config variable
Matt Venn
05/30/2022, 5:35 PMMatt Venn
05/30/2022, 5:35 PMdid @Jean or @Matthew Guthaus find a way to use an internal net as a clock for sdc?
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Matthew Guthaus
05/30/2022, 5:39 PMYou need to add a module and use a pin of the module. There is no other way AFAIK
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Matt Venn
05/30/2022, 5:39 PMthanks
Matt Venn
05/30/2022, 6:03 PMI reorganised my hdl so I could get the ring osc port as a module port
Matt Venn
05/30/2022, 6:03 PMthen used an external sdc file to try
Matt Venn
05/30/2022, 6:03 PMbut openlane can't seem to find it
Matt Venn
05/30/2022, 6:03 PMimage.png
Matt Venn
05/30/2022, 6:05 PMm
Matt Liberty
05/30/2022, 10:13 PMthe sta docs are at https://github.com/The-OpenROAD-Project/OpenSTA/blob/master/doc/OpenSTA.pdf
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Tayyeb Mahmood
06/07/2022, 5:31 PM@Matt Venn can you try printing out the outcome of get_nets ...
Tayyeb Mahmood
06/07/2022, 5:32 PMIn addition, to me sourcing old base in yous sdc is a good idea. I got results doing that.
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Matt Venn
06/07/2022, 5:33 PMI'd like to come back to this, but busy on other things now!