AXI3/axi_env.sv

class axi_env extends uvm_env;
axi_agent magent;
`uvm_component_utils(axi_env);// factory registration
`NEW_COMP
function void build_phase(uvm_phase phase);
	super.build_phase(phase);
	magent = axi_agent::type_id::create("magent", this);
	uvm_config_db#(int)::set(this, "magent", "mst_slv_f", `MSTR);
endfunction
endclass