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Multi Language Intergration:integrating system verilog over e

Selvavinayak

Hi all,

  i have to integrate sv wrapper over e...

  if we integrate by using tlm_nonblocking_put we are facing below error please any body have an idea to resolve this error... 

 

*** Error: Unsupported template parameter of external interface port
The port 'uvm_test_top.sample_test.env.send_request_p' of interface
'tlm_nonblocking_put of any_sequence_item' has unsupported template parameter
'any_sequence_item'
Struct must contain at least one field which is configured to pass across
multi-language TLM transactions.

 

Thanks,

vinayak

 

  • Hello Vinayak,

    the any_sequence_item type doesn't actually have any physical fields. In ML communication the physical fields are serialized on the boundary into a stream and deserialized on the receiving side. You cannot have a TLM port of type any_sequence_item. Instead you need to make it of a type of the actual sequence item you have, e.g. if you have packet_s like any_sequence_item you should have a TLM port of that type.

    Note that you also need to map this type (using mltypemap for example).

    Regards,
    -hannes 

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