CALLBACKS Archives | The Art Of Verification

Callbacks Vs Factory

Posted on March 24, 2021April 6, 2021 by The Art of Verification

Callbacks and factory both addresses different areas of reusability in UVM. Callback: Add functionality to existing logic. Suitable for rare or minimal feature need to be enhanced in focus Popular for error injection/to corrupt the sequence from VIP. Easy to maintain callbacks Factory: It used to substitute the existing component before build, keeps environment same. […]

How UVM Callback works?

Posted on March 24, 2021August 20, 2023 by The Art of Verification

Callback mechanism is used for altering the behavior of the transactor/BFM without modifying the existing BFM/transactor. Callback gives flexibility to plug-and-play and reuse the components i.e. driver, monitor etc.. Sometimes requirements are often unpredictable when the BFM/transactor is first written. So a transactor should provide some kind of hooks for executing the code which is […]