Home

Debug

Managing VMM Log verbosity in a smart way
Posted on Monday, March 1, 2010 - 22:48 by Srinivasan Venkataramanan from the site Verification Martial Arts
Srinivasan Venkataramanan, CVC Pvt. Ltd. Vishal Namshiker, Brocade Communications India Any complex system requires debugging at some point or the other. To ease the debug process, a good, proven coding practice is to add enough messages for the end user to aid in debug. However as systems become mature the messages tend to become too many and quickly users feel a need for controlling the messages.
Srinivasan Venkataramanan
Posted in
Drivers on a Tristate bus….
Posted on Thursday, February 18, 2010 - 17:13 by Srivatsa Vasudevan from the site Verification Martial Arts
Tri-state busses are typically present in a verification environment when we have multiple drivers driving a bus. One of the drivers drives the bus and the rest of the drivers on the bus present high impedance to the bus. By far and large, it is preferred to have a single interface from the testbench side to deal with the tristate bus. This typically helps avoid bus contention. In some circumstances, this may not be easily possible. Why don’t you just imagine having to elaborate a design, run to a certain point and run a drivers() command?
Srivatsa Vasudevan
Posted in
Leverage on the built-in callback inside vmm_atomic_gen and be productive with DVE features for VMM debug
Posted on Sunday, February 7, 2010 - 19:14 by srini from the site Verification Martial Arts
Srinivasan Venkataramanan, CVC Pvt. Ltd. Rashmi Talanki, Sasken John Paul Hirudayasamy, Synopsys During a recent Verification environment creation for a customer we had to tap an additional copy/reference of the generated transaction to another component in the environment without affecting the flow. So one producer gets more than one consumer (here 2 consumers). As a first time VMM coder the customer tried using “vmm_channel::peek” on the channel that was connecting GEN to BFM.
srini
Posted in
Syndicate content