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SV: masking assertion based functional coverage - ICF like method?

rossbthompson

Is there a way to mask assertion and or covergroup coverage during merging/reporting?

I am attempting to mask some fields of a sub-block. There are several instances of a checker. There are some checks that are invalid for one of the instances. Is there a way of disabling some of the coverage based on an instance?

  • Hi.

    The general trend now is to use executable verification plans for reporting, rather than just relying on an implementation report from iccr. The idea with the executable vPlan is that you explicitly state what coverage / checks / tests you intend to do/use, then map those implementations into the vPlan so that you can audit how much has been implemented, and make sure that you've not missed anything.

    An advantage of this approach is that instead of masking out stuff implemented checks / coverage that you don't care about, you can simply choose to not map them into the vPlan if they're not needed.

    There are several good articles on the Cadence verification blog that show how this approach works, if you want to find out more.
    Or talk to your Cadence AE, who'll be happy to help.

    Here are a few links to get you started:

    Demo video: http://www.demosondemand.com/dod/proddemos/frontend/fed_fv.aspx
    White paper on metric driven verification: http://www.cadence.com/rl/Resources/white_papers/max_metric_driven_ver_wp.pdf
    Various MDV resources: http://www.cadence.com/products/fv/Pages/mdv_flow.aspx

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