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Learning Tool: PSL expression to English Translator

 
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SAHO
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Joined: Oct 16, 2004
Posts: 24

PostPosted: Sun Nov 07, 2004 7:14 am    Post subject: Learning Tool: PSL expression to English Translator Reply with quote

Is there any tool that takes in PSL property and translates into something like below.



Code:
assert (a -> b)



has the following behaviour


    if a is TRUE, b will be checked.
    if b is also TRUE, the assertion HOLDS.
    if b is FALSE, the assertion FAILS.

    if a is FALSE, the assertions HOLDS.

    PSL LRM Reference is XXX



SAHO
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Ajeetha
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Joined: Mar 29, 2004
Posts: 424
Location: Bengaluru, India

PostPosted: Sun Nov 07, 2004 3:26 pm    Post subject: Re: Learning Tool: PSL expression to English Translator Reply with quote

SAHO wrote:
Is there any tool that takes in PSL property and translates into something like below.



Code:
assert (a -> b)



has the following behaviour


    if a is TRUE, b will be checked.
    if b is also TRUE, the assertion HOLDS.
    if b is FALSE, the assertion FAILS.

    if a is FALSE, the assertions HOLDS.

    PSL LRM Reference is XXX



SAHO

Hi Saho,
As you will soon realize, any complex/non-trivial assertion/property/sequence will be too complex to express in a natural language (such as English) without ambiguity. What you are looking for is a way to "visualize" your PSL/SVA. As part of our upcoming SVA book we address this issue. Though many vendors are working on this idea, I read that @HDL has a product named "Assertion Studio" that does some thing close to it.

HTH,
Ajeetha
_________________
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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SAHO
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Joined: Oct 16, 2004
Posts: 24

PostPosted: Sun Nov 07, 2004 5:37 pm    Post subject: Reply with quote

Ajeetha

Quote:
What you are looking for is a way to "visualize" your PSL/SVA.


I bet this can be VERY useful indeed when a new engineer just has been given a PSL task to do. On the Doulos PSL Golden Reference (i am NOT being paid by Doulos in any way Shocked ), timing diagram for most PSL constructs are clearly shown.

Quote:
As part of our upcoming SVA book we address this issue.


When the book is due for public release? Any prediction? Is it possible for you to elaborate this issue further as it is very intriguing to me.


SAHO
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vhdlcohen
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Joined: Jan 05, 2004
Posts: 1237
Location: Los Angeles, CA

PostPosted: Tue Nov 09, 2004 9:49 pm    Post subject: Reply with quote

Quote:
When the book is due for public release? Any prediction?


The book "SystemVerilog Assertions Handbook
… for Formal and Dynamic Verification" by Ben Cohen,
Srinivasan Venkataramanan, and Ajeetha Kumari is expected to be released
on Dec 10, 2004, and is currently undergoing the printing process.
Information about the book can be obtained from

http://www.abv-sva.org/sva_preface.pdf

We are very excited about this book because it provides very pragmatic information on SystemVerilog Assertions language and applications throughout the design process, from requirements thru design and verification.

Please read the TOC, forewords, and preface to get more information about the contents of the book, and how ABV is highly recommended as a documentation and verification methodology.


Quote:
What you are looking for is a way to "visualize" your PSL/SVA.
Is it possible for you to elaborate this issue further as it is very intriguing to me.

Check out this link on this topic:
http://www.systemverilog.org/pdf/AT_HDL_Symposium.pdf

Ben Cohen
_________________
Ben Cohen http://www.systemverilog.us/
* SystemVerilog Assertions Handbook, 3rd Edition, 2013
* A Pragmatic Approach to VMM Adoption
* Using PSL/SUGAR ... 2nd Edition
* Real Chip Design and Verification
* Cmpt Design by Example
* VHDL books
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