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Software yields graphical 'views' from HDL code

Posted: 10 Dec 2003 ?? ?Print Version ?Bookmark and Share

Keywords:novas software? reusner design knowledge publisher? verdi? debussy? hdl code?

Novas Software Inc. will announce the Reusner Design Knowledge Publisher, which generates and automatically updates graphical "views" from HDL code. The views can be used for debugging or documentation.

The new capability is available as an option to Novas' Verdi or Debussy debugging systems, which are needed in order to read the Reusner views. No additional license is needed to read the views generated by Reusner, but to produce them, users must buy the product.

Reusner has two main targets, said Dave Kelf, VP of marketing at Novas Software. Design teams can use it to document code for other design or verification engineers, allowing the latter to understand and debug code they didn't create. And IP providers can ship graphical views of their IP to end users without revealing the source code.

Kelf said Reusner takes HDL code, runs it through a visualization engine that's derived from Novas technology and generates "nice, clean views" that make the code easy to understand. What's unique, he said, is the product's ability to update the graphical views automatically if the HDL code is changed in the future.

Reusner users can generate different types of views at varying levels of detail, Kelf said. Views can include simple schematic block diagrams, state-machine bubble diagrams, flow charts and protocol diagrams. A user can generate multiple views of the same HDL description.

The views can then be brought up in the Verdi or Debussy debugging environments. A documentation package allows users to generate HTML files or Word or Framemaker documents.

The HDL code itself, Kelf said, can be VHDL, Verilog or SystemVerilog and does not have to be synthesizable. While the graphical views change automatically as code is updated, changing the views doesn't alter the HDL.

Why would a verification debugging company like Novas Software offer such a product? "Imparting design understanding from one engineer to another is a major factor behind good verification runs and efficient debugging," Kelf said. "If the team understands the design, they can debug several times faster."

The Reusner Design Knowledge Publisher is available now as a Verdi or Debussy option starting at $10,000 for a one-year, time-based license. Read-only access through Verdi and Debussy is free.

Richard Goering

EE Times

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