uvm_component→uvm_object→uvm_void

driver和sequencer是component；uvm_sequence_item和uvm_sequence是object。

uvm_config_db#(virtual my_if)::set/get(null/this, inst_name, field_name, value); 

copy/print/compare/delete/pack_bytes(所有字段打包成byte流)/unpack_bytes(将byte流恢复到某个类的实例中)

pop_front,push_back

+ntb_random_seed_automatic/+ntb_random_seed=$(value)

UVM_ACTIVE(生成激励)/UVM_PASSIVE(只监视) uvm_env

p_sequencer(uvm_declare_p_sequencer)和m_sequencer(内部自带)

sequence中

task body(starting_phase.raise_objection/drop_objection)

i_agt→mdl；mdl→scb；o_agt→scb(uvm_analysis_port→uvm_tlm_analysis_fifo→uvm_blocking_get_port)

`uvm_info(get_type_name(), $psprintf("count[i]=%d",count[i]), UVM_MEDIUM)

寄存器模型

uvm_reg_block(uvm_reg_maps)→uvm_reg→uvm_reg_field

reg2bus bus2reg $cast

前门访问

后门访问 read/write peek/poke