[CU]UVM_FILE的使用
资料来源
(1)《UVM实战-张强》;
(2) Verilog系列：【3】文件的IO操作 (qq.com)
(3) 《Practical UVM Step by Step with IEEE》
1.UVM_FILE的使用及示例
typedef int UVM_FILE;
(1)在uvm_test_base中,声明UVM_FILE file_name;
(2)在uvm_test_base的connect_phase中,使用$fopen打开文件,并调用uvm函数set_report_severity_file_hier等函数,将信息根据冗余度输入到专门的文件中;
(3)在uvm_test_base的final_phase中,使用$fclose关闭文件;
注1:文件被保存在仿真路径下(怎么指定log路径？);
1 //class uvm_component 2 function void uvm_component::set_report_severity_file_hier( uvm_severity severity, 3 UVM_FILE file); 4 set_report_severity_file(severity, file); 5 foreach( m_children[c] ) 6 m_children[c].set_report_severity_file_hier(severity, file); 7 endfunction 8 9 10 //UVM_FILE使用示例1 11 UVM_FILE info_log; 12 UVM_FILE warning_log; 13 UVM_FILE error_log; 14 UVM_FILE fatal_log; 15 16 virtual function void connect_phase(uvm_phase phase); 17 info_log =$fopen("info.log","w"); 18 warning_log=$fopen("warning.log","w"); 19 error_log =$fopen("error.log","w"); 20 fatal_log =$fopen("fatal.log","w"); 21 env.i_agt.set_report_severity_file_hier(UVM_INFO, info_log); 22 env.i_agt.set_report_severity_file_hier(UVM_WARNING, warning_log); 23 env.i_agt.set_report_severity_file_hier(UVM_ERROR, error_log); 24 env.i_agt.set_report_severity_file_hier(UVM_FATAL, fatal_log); 25 env.i_agt.set_report_severity_action(UVM_INFO, UVM_DISPLAY|UVM_LOG); 26 env.i_agt.set_report_severity_action(UVM_WARNING, UVM_DISPLAY|UVM_LOG); 27 env.i_agt.set_report_severity_action(UVM_ERROR, UVM_DISPLAY|UVM_COUNT|UVM_LOG); 28 env.i_agt.set_report_severity_action(UVM_FATAL, UVM_DISPLAY|UVM_EXIT|UVM_LOG); 29 ... 30 endfunction
1 //UVM_FILE使用示例2 2 UVM_FILE driver_log; 3 UVM_FILE drv_log; 4 5 virtual function void connect_phase(uvm_phase phase); 6 driver_log =$fopen("driver.log","w"); 7 drv_log =$fopen("drv.log","w"); 8 9 env.i_agt.drv.set_report_id_file_hier("my_driver", driver_log); 10 env.i_agt.drv.set_report_id_file_hier("my_drv", drv_log); 11 env.i_agt.drv.set_report_id_action("my_driver", UVM_DISPLAY|UVM_LOG); 12 env.i_agt.drv.set_report_id_action("my_drv", UVM_DISPLAY|UVM_LOG); 13 ... 14 endfunction 15 16 virtual function void final_phase(uvm_phase phase); 17 $fclose(driver_log); 18 $fclose(drv_log); 19 endfunction
1 //class uvm_component 2 function void uvm_component::set_report_default_file_hier( UVM_FILE file); 3 set_report_default_file(file); 4 foreach( m_children[c] ) 5 m_children[c].set_report_default_file_hier(file); 6 endfunction 7 8 function void set_report_default_file (UVM_FILE file); 9 m_rh.set_default_file(file); 10 endfunction 11 12 function void set_default_file (UVM_FILE file); 13 default_file_handle = file; 14 endfunction 15 16 //UVM_FILE使用示例3 17 class wb_conmax_report_file_test extends wb_conmax_base_test; 18 UVM_FILE file_master; 19 20 `uvm_component_utils(wb_conmax_report_file_test) 21 22 function new(string name, uvm_component parent); 23 super.new(name, parent); 24 file_master=$fopen("master_output","w"); 25 endfunction 26 27 virtual function void build_phase(uvm_phase phase); 28 super.build_phase(phase); 29 endfunction 30 31 virtual function void end_of_elaboration_phase(uvm_phase phase); 32 super.end_of_elaboration_phase(phase); 33 env.set_report_default_file_hier(file_master); 34 env.conmax_scbd.set_report_id_file_hier("SCOREBOARD_MASTER",file_master); 35 env.conmax_scbd.set_report_id_action("SCOREBOARD_MASTER", UVM_DISPALY|UVM_LOG); 36 endfunction 37 endclass
