UVM_TestBench_For_Ring_Counter/ring_coverage.sv at main · Vivek-Dave/UVM_TestBench_For_Ring_Counter · GitHub

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class ring_coverage extends uvm_subscriber #(ring_sequence_item);

  //----------------------------------------------------------------------------
  `uvm_component_utils(ring_coverage)
  //----------------------------------------------------------------------------

  //----------------------------------------------------------------------------
  function new(string name="",uvm_component parent);
    super.new(name,parent);
    dut_cov=new();
  endfunction
  //----------------------------------------------------------------------------

  //----------------------------------------------------------------------------
  ring_sequence_item txn;
  real cov;
  //----------------------------------------------------------------------------

  //----------------------------------------------------------------------------
  covergroup dut_cov;
    option.per_instance= 1;
    option.comment     = "dut_cov";
    option.name        = "dut_cov";
    option.auto_bin_max= 2;

    RST:coverpoint txn.rst {
        bins rst_low ={0};
        bins rst_high={1};
    }
  endgroup:dut_cov;

  //----------------------------------------------------------------------------

  //---------------------  write method ----------------------------------------
  function void write(ring_sequence_item t);
    txn=t;
    dut_cov.sample();
  endfunction
  //----------------------------------------------------------------------------

  //----------------------------------------------------------------------------
  function void extract_phase(uvm_phase phase);
    super.extract_phase(phase);
    cov=dut_cov.get_coverage();
  endfunction
  //----------------------------------------------------------------------------

  //----------------------------------------------------------------------------
  function void report_phase(uvm_phase phase);
    super.report_phase(phase);
    `uvm_info(get_type_name(),$sformatf("Coverage is %f",cov),UVM_MEDIUM)
  endfunction
  //----------------------------------------------------------------------------

endclass:ring_coverage