class test_base extends uvm_test; `uvm_component_utils(test_base) testbench_env tb_env; uvm_table_printer tb_printer; function new(string name, uvm_component parent); super.new(name, parent); endfunction function void build_phase(uvm_phase phase); super.build_phase(phase); tb_env = testbench_env::type_id::create("tb_env", this); tb_printer = new("tb_printer"); uvm_config_db#(testbench_env)::set(uvm_root::get(), "*", "tb_env", tb_env); endfunction virtual function void end_of_elaboration_phase(uvm_phase phase); `uvm_info("end_of_elaboration_phase", $sformatf("Topology:\n%s", this.sprint(tb_printer)), UVM_LOW) endfunction virtual task run_phase(uvm_phase phase); uvm_objection objection; objection = phase.get_objection(); `uvm_info("run_phase", $sformatf("Raising objection"), UVM_LOW) phase.raise_objection(this); run_reset_phase(phase); run_test_phase(phase); run_flush_phase(phase); objection.set_drain_time(this, 20); `uvm_info("run_phase", $sformatf("Dropping objection"), UVM_LOW) phase.drop_objection(this); endtask virtual task run_reset_phase(uvm_phase phase); seq_reset rst_seq; `uvm_info("run_reset_phase", $sformatf("Starting reset"), UVM_LOW) rst_seq = seq_reset::type_id::create("reset_seq", this); rst_seq.start(tb_env.tb_sequencer); `uvm_info("run_reset_phase", $sformatf("Finishing reset"), UVM_LOW) endtask virtual task run_test_phase(uvm_phase phase); `uvm_warning("run_test_phase", $sformatf("This content is expected to be implemented in specific tests")) endtask virtual task run_flush_phase(uvm_phase phase); `uvm_info("run_flush_phase", $sformatf("Finishing test"), UVM_LOW) endtask endclass class test_basic extends test_base; `uvm_component_utils(test_basic) function new(string name, uvm_component parent); super.new(name, parent); endfunction virtual task run_test_phase(uvm_phase phase); seq_basic tst_seq; tst_seq = seq_basic::type_id::create("test_seq_basic"); `uvm_info("run_test_phase", $sformatf("Starting stimulus"), UVM_LOW) tst_seq.start(tb_env.tb_sequencer); `uvm_info("run_test_phase", $sformatf("Finishing stimulus"), UVM_LOW) endtask endclass