Reset Verification IP

IP 参数及接口

IP 例化界面

相关函数

assert_reset

//置位复位信号
< hierarchy_path>.assert_reset();

deassert_reset

//取消置位复位信号
< hierarchy_path>.deassert_reset();

set_master_mode

//设置 RST_VIP 模式为 Master
< hierarchy_path>.set_master_mode();

set_passthrough_mode

//设置 RST_VIP 模式为 passthrough
< hierarchy_path>.set_passthrough_mode();

参考代码

module rst_vip_0_exdes_tb(
  );

  wire                                                   rst_out;
  //Simple loop integer
  integer                                 i; 
  // Simple loop integer. 
  integer                                 j; 

  integer                                 rst_initial_delay ; 
  integer                                 rst_hold_length ;
  integer                                 wait_length_before_switch_mode;
  integer                                 wait_length_before_finish;

  initial begin
    rst_initial_delay =22;
    rst_hold_length = 208;
    wait_length_before_switch_mode=14;
    wait_length_before_finish =12;
    #(rst_initial_delay );
    // Switch Passthrough RST VIP into Master mode
    rst_vip_0_exdes_tb.DUT.ex_design.rst_vip_passthrough.inst.set_master_mode();
    #(rst_initial_delay );
    // Passthrough RST VIP in runtime master mode assert_reset
    rst_vip_0_exdes_tb.DUT.ex_design.rst_vip_passthrough.inst.IF.assert_reset();
    #0ps;
    if( rst_vip_0_exdes_tb.DUT.ex_design.rst_vip_passthrough.inst.IF.RST != 0) begin
      $error("reset is not as expected in assert_reset of Passthrough VIP runtime master mode");
    end  
    #(rst_hold_length);
    // Passthrough RST VIP in runtime master mode deassert_reset
    rst_vip_0_exdes_tb.DUT.ex_design.rst_vip_passthrough.inst.IF.deassert_reset();
    #0ps;
    if( rst_vip_0_exdes_tb.DUT.ex_design.rst_vip_passthrough.inst.IF.RST == 0) begin
      $error("reset is not as expected in deassert_reset of Passthrough VIP runtime master mode");
    end  
    #(wait_length_before_switch_mode);
     rst_vip_0_exdes_tb.DUT.ex_design.rst_vip_passthrough.inst.set_passthrough_mode();
    #(wait_length_before_finish);
    $display("EXAMPLE TEST DONE : Test Completed Successfully");
    $finish;
  end


  chip DUT(
  .rst_out(rst_out)
  ); 
endmodule

官方手册：pg298-rst-vip