hw/dv/sv/dv_lib/dv_base_env.sv

// Copyright lowRISC contributors.
// Licensed under the Apache License, Version 2.0, see LICENSE for details.
// SPDX-License-Identifier: Apache-2.0

class dv_base_env #(type CFG_T               = dv_base_env_cfg,
                    type VIRTUAL_SEQUENCER_T = dv_base_virtual_sequencer,
                    type SCOREBOARD_T        = dv_base_scoreboard,
                    type COV_T               = dv_base_env_cov) extends uvm_env;
  `uvm_component_param_utils(dv_base_env #(CFG_T, VIRTUAL_SEQUENCER_T, SCOREBOARD_T, COV_T))

  CFG_T                      cfg;
  VIRTUAL_SEQUENCER_T        virtual_sequencer;
  SCOREBOARD_T               scoreboard;
  COV_T                      cov;

  `uvm_component_new

  virtual function void build_phase(uvm_phase phase);
    super.build_phase(phase);
    // get dv_base_env_cfg object from uvm_config_db
    if (!uvm_config_db#(CFG_T)::get(this, "", "cfg", cfg)) begin
      `uvm_fatal(`gfn, $sformatf("failed to get %s from uvm_config_db", cfg.get_type_name()))
    end

    // get vifs
    if (!uvm_config_db#(virtual clk_rst_if)::get(this, "", "clk_rst_vif", cfg.clk_rst_vif)) begin
      `uvm_fatal(get_full_name(), "failed to get clk_rst_if from uvm_config_db")
    end
    cfg.clk_rst_vif.set_freq_mhz(cfg.clk_freq_mhz);

    // create components
    if (cfg.en_cov) begin
      cov = COV_T::type_id::create("cov", this);
      cov.cfg = cfg;
    end

    if (cfg.is_active) begin
      virtual_sequencer = VIRTUAL_SEQUENCER_T::type_id::create("virtual_sequencer", this);
      virtual_sequencer.cfg = cfg;
      virtual_sequencer.cov = cov;
    end

    // scb also monitors the reset and call cfg.reset_asserted/reset_deasserted for reset
    scoreboard = SCOREBOARD_T::type_id::create("scoreboard", this);
    scoreboard.cfg = cfg;
    scoreboard.cov = cov;
  endfunction

endclass