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test bridge by eVC

spark

Hi all,

When the DUT is AXI to AHB bridge, can the eVC monitor the data transfer between AXI and AHB side? If the bridge change the transfer attribute such new address mapping how extend the eVC to support the new address mapping. In AHB user guide 6.1.2, only one side interface struct can be extended, no available struct/unit is for bridge test. I dont know how to deal with it.

 

  • Hi.

    This is where you would use a scoreboard. This a a kind of reference model that receives the transactions from the AHB and AXI interfaces, and predicts what transformations take place. The transactions coming out of the DUT are then checked against the predicted ones inside the scoreboard.
    Have a look at the eRM documents that come with Specman for more adivce on scoreboards, or if you have the IPCM or IP Verification Kits from Cadence, there are more docs and working verification environments that you can copy and adapt to your own needs.

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