fifo_agent.sv

//AGENT
class fifo_agent extends uvm_agent;

  //Agent will have the sequencer, driver and monitor components for the APB interface
  fifo_sequencer seqr;
  fifo_driver driv;
  fifo_monitor mon;
  
  virtual fifo_if vif;
  
  //---------------------------------------
  //Utility and Field macros
  //---------------------------------------
  `uvm_component_utils_begin(fifo_agent)
  `uvm_field_object(seqr, UVM_ALL_ON)
  `uvm_field_object(driv, UVM_ALL_ON)
  `uvm_field_object(mon, UVM_ALL_ON)
  `uvm_component_utils_end
  
  //---------------------------------------
  //Constructor
  //---------------------------------------  
  function new(string name, uvm_component parent);
    super.new(name, parent);
  endfunction
  
  //---------------------------------------
  //Build phase
  //---------------------------------------
  virtual function void build_phase(uvm_phase phase);
    super.build_phase(phase);
    if(is_active == UVM_ACTIVE) begin
      seqr=fifo_sequencer::type_id::create("seqr",this);
      driv=fifo_driver::type_id::create("driv",this);
    end
    mon=fifo_monitor::type_id::create("mon",this);
    
    if(!uvm_config_db#(virtual fifo_if)::get(this,"","vif",vif))
      begin
        `uvm_error("build_phase","agent virtual interface failed");
      end
    
  endfunction
  
  //---------------------------------------
  //Connect phase
  //---------------------------------------
  virtual function void connect_phase(uvm_phase phase);
    super.connect_phase(phase);
    driv.seq_item_port.connect(seqr.seq_item_export);
    uvm_report_info("FIFO_AGENT", "connect_phase, Connected driver to sequencer");
  endfunction
  
endclass