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Upendra

Sequence running on virtual sequencer

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Hi Expert,

I have following situation.

1. In our env. we use third party VIP  & few other agents which are active.

2. We created reg model in top level env  as shown below

reg_model = top_reg_block::type_id::create("reg_model", this);
        reg_model.build();
        reg_model.set_hdl_path_root("$root.tb_top.A_chip_top.A_digital_top");
        reg_model.lock_model();
        // reg model
        adapter = reg_adapter::type_id::create("adapter", this);
        reg_sbscr = register_subscriber::type_id::create("reg_sbscr", this);

In connect phase also we set the default sequencer

reg_model.default_map.set_sequencer (.sequencer(spi_agnt.spi_sqr), .adapter(adapter)

3. in test case (register test case) we use

seq.start(null); in order to run on default sequencer.

4. Everything works fine without VIP. Now when VIP is integrated in env, & instead of using spi_agnt.spi_seqr we need to use

VIP virtual seqencer like

  reg_model.default_map.set_sequencer (.sequencer(block_env.sequencer.master_sequencer[0]), .adapter(adapter))

When We use this we get UVM_FATAL error

[SEQ] neither the item's sequencer nor dedicated sequencer has been supplied to start item in seq.

Any idea how I should resolve this issue.

VIP uses p_sequencer whereas other sequencer uses m_sequencer.

 

Regards,

UT

 

 

 

 

 

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