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Pappu
Senior
Joined: Oct 08, 2004
Posts: 47
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 Posted: Mon Sep 26, 2011 2:11 pm Post subject: Toggle Coverage, using SVA/OVL for an Analog Block Signals |
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I have a relatively simple task of making sure that all the signals in an analog block toggle during my tests. The 3 options that I know of, are :
Toggle coverage as an option to running ncsim
Use an OVL assertion to make sure all the signals toogle
Write a covergroup in SV
Any recommendations with the relevant command line options or sample code.
Thanks |
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Ajeetha
Senior
Joined: Mar 29, 2004
Posts: 424
Location: Bengaluru, India
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| Posted: Mon Sep 26, 2011 11:22 pm Post subject: Re: Toggle Coverage, using SVA/OVL for an Analog Block Signa |
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| Pappu wrote: | I have a relatively simple task of making sure that all the signals in an analog block toggle during my tests. The 3 options that I know of, are :
Toggle coverage as an option to running ncsim
Use an OVL assertion to make sure all the signals toogle
Write a covergroup in SV
Any recommendations with the relevant command line options or sample code.
Thanks |
In IRUN/IUS one can do:
| Code: |
irun -debug -coverage block+fsm+toggle+expr ../dut/arb_round.v ../tb/arbitr_tb.v
iccr -gui -test ./cov_work/design/test
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to enable toggle cov. covergroup/OVL - is pretty straight forward, take a look at $IUS_HOME examples on OVL/PSL/SVA.
HTH
Ajeetha, CVC
www.cvcblr.com/blog
_________________
Ajeetha Kumari,
CVC Pvt Ltd. http://www.cvcblr.com
* A Pragmatic Approach to VMM Adoption http://www.systemverilog.us/
* SystemVerilog Assertions Handbook
* Using PSL/Sugar |
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