APB_VIP/apb_base_test.sv at main · Mujtabadar537/APB_VIP · GitHub

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class apb_base_test extends uvm_test;
  //======================
  // Factory registeration
  //======================
  `uvm_component_utils(apb_base_test)

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

  //======================
  // Component handles
  //======================
  apb_env env; // environment
  apb_config apb_cfg; // configration class for vip
  virtual apb_interface apb_vif; // virtual interface for apb

  //======================
  // Build phase
  //======================
  function void build_phase(uvm_phase phase);
    super.build_phase(phase);
    `uvm_info(get_type_name() , "_________Starting Build Phase_________" , UVM_MEDIUM)
    // creating apb vip environment
    env = apb_env::type_id::create("env" , this);

    // creating configuration class
    apb_cfg = apb_config::type_id::create("apb_cfg" , this);
    apb_cfg.randomize();
    uvm_config_db#(apb_config)::set(null , "*" , "apb_cfg" , apb_cfg); // setting configuration in config_db

    //getting virtual axi interface
    if(!uvm_config_db#(virtual apb_interface)::get(this , "" , "apb_vif" , apb_vif)) begin
      `uvm_fatal(get_type_name() , "Failed to recieve virtual apb_interface")
    end
    else begin
      `uvm_info(get_type_name() , "Virtual apb_interface successfully received" , UVM_HIGH);
    end
    `uvm_info(get_type_name() , "_________Ending Build Phase_________" , UVM_MEDIUM)
  endfunction

  //======================
  // Reset phase
  //======================
  virtual task reset_phase(uvm_phase phase);
    phase.raise_objection(this);
    `uvm_info(get_type_name() , "Starting reset phase" , UVM_MEDIUM);
    apb_vif.PADDR = '0;
  	apb_vif.PSELx = '0;
  	apb_vif.PENABLE = '0;
  	apb_vif.PWRITE = '0;
  	apb_vif.PWDATA = '0;
  	apb_vif.PSTRB = '0;
    `uvm_info(get_type_name() , "Ending reset phase" , UVM_MEDIUM);
    phase.drop_objection(this);
  endtask

endclass