RE: [sv-ac] feedback on 2088 and 2089

 

 

________________________________

From: Korchemny, Dmitry [mailto:dmitry.korchemny@intel.com] 
Sent: Monday, December 17, 2007 7:52 AM
To: Lisa Piper; Thomas.Thatcher@sun.com
Cc: sv-ac@eda.org
Subject: RE: [sv-ac] feedback on 2088 and 2089

 

Hi Tom,

 

Here are some more comments about 2088:

 

*	Do you allow only cover group declaration in the checker or its
instantiation as well?

[Lisa Piper >>>] I noticed this too, but I could not find in the LRM any
specification of covergroup_instance, so I decided that it must be
stated somewhere in the text that it can only be instantiated where it
is declared.

*	If you allow cover group instantiation as well, what kind of
formal arguments are allowed? May they be checker variables? May they be
free variables?
*	May checker variables represent cover points?

 

Thanks,

Dmitry 

 

________________________________

From: owner-sv-ac@server.eda.org [mailto:owner-sv-ac@server.eda.org] On
Behalf Of Lisa Piper
Sent: Sunday, December 16, 2007 9:56 PM
To: Thomas.Thatcher@sun.com
Cc: sv-ac@server.eda.org
Subject: [sv-ac] feedback on 2088 and 2089

 

Hi Tom,

My feedback on 2089, and one more on 2088,

1. Why wasn't this text also updated for 2088?   Also, there are font
issues with the PDF for initial_check (these font issues are also in the
checker proposal itself).

A checker body may contain the following elements:

* Declaration of let, sequences, properties and functions.

* Concurrent assertions.

* Free variables and their assignments (see 16.18.5).

* Default clocking and disable declarations.

* initial_check, and always_check, and final procedures (see 16.18.4).

* Generate blocks, containing any of the above elements.

2. Minimally there should be a note that changes are needed to the VPI
diagrams when the checker VPI is added.  Same applies to 2088.

Lisa

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