cpu_test_bench.vhd

nois 2cpu 硬件实现编程

            deallocate (write_line2);
            assert false report "VHDL STOP" severity failure;
          end if;
        end if;
      end if;

    end process;

    process (clk)
    VARIABLE write_line3 : line;
    begin
      if clk'event and clk = '1' then
        if std_logic'(reset_n) = '1' then 
          if is_x(std_ulogic(W_valid)) then 
            write(write_line3, now);
            write(write_line3, string'(": "));
            write(write_line3, string'("ERROR: cpu_test_bench/W_valid is 'x'"));
            write(output, write_line3.all & CR);
            deallocate (write_line3);
            assert false report "VHDL STOP" severity failure;
          end if;
        end if;
      end if;

    end process;

    process (clk, reset_n)
    VARIABLE write_line4 : line;
    begin
      if reset_n = '0' then
      elsif clk'event and clk = '1' then
        if std_logic'(W_valid) = '1' then 
          if is_x(W_pcb) then 
            write(write_line4, now);
            write(write_line4, string'(": "));
            write(write_line4, string'("ERROR: cpu_test_bench/W_pcb is 'x'"));
            write(output, write_line4.all & CR);
            deallocate (write_line4);
            assert false report "VHDL STOP" severity failure;
          end if;
        end if;
      end if;

    end process;

    process (clk, reset_n)
    VARIABLE write_line5 : line;
    begin
      if reset_n = '0' then
      elsif clk'event and clk = '1' then
        if std_logic'(W_valid) = '1' then 
          if is_x(W_iw) then 
            write(write_line5, now);
            write(write_line5, string'(": "));
            write(write_line5, string'("ERROR: cpu_test_bench/W_iw is 'x'"));
            write(output, write_line5.all & CR);
            deallocate (write_line5);
            assert false report "VHDL STOP" severity failure;
          end if;
        end if;
      end if;

    end process;

    process (clk)
    VARIABLE write_line6 : line;
    begin
      if clk'event and clk = '1' then
        if std_logic'(reset_n) = '1' then 
          if is_x(std_ulogic(M_en)) then 
            write(write_line6, now);
            write(write_line6, string'(": "));
            write(write_line6, string'("ERROR: cpu_test_bench/M_en is 'x'"));
            write(output, write_line6.all & CR);
            deallocate (write_line6);
            assert false report "VHDL STOP" severity failure;
          end if;
        end if;
      end if;

    end process;

    process (clk)
    VARIABLE write_line7 : line;
    begin
      if clk'event and clk = '1' then
        if std_logic'(reset_n) = '1' then 
          if is_x(std_ulogic(E_valid)) then 
            write(write_line7, now);
            write(write_line7, string'(": "));
            write(write_line7, string'("ERROR: cpu_test_bench/E_valid is 'x'"));
            write(output, write_line7.all & CR);
            deallocate (write_line7);
            assert false report "VHDL STOP" severity failure;
          end if;
        end if;
      end if;

    end process;

    process (clk)
    VARIABLE write_line8 : line;
    begin
      if clk'event and clk = '1' then
        if std_logic'(reset_n) = '1' then 
          if is_x(std_ulogic(M_valid)) then 
            write(write_line8, now);
            write(write_line8, string'(": "));
            write(write_line8, string'("ERROR: cpu_test_bench/M_valid is 'x'"));
            write(output, write_line8.all & CR);
            deallocate (write_line8);
            assert false report "VHDL STOP" severity failure;
          end if;
        end if;
      end if;

    end process;

    process (clk, reset_n)
    VARIABLE write_line9 : line;
    begin
      if reset_n = '0' then
      elsif clk'event and clk = '1' then
        if std_logic'(((M_valid AND M_en) AND M_wr_dst_reg)) = '1' then 
          if is_x(M_wr_data_unfiltered) then 
            write(write_line9, now);
            write(write_line9, string'(": "));
            write(write_line9, string'("WARNING: cpu_test_bench/M_wr_data_unfiltered is 'x'"));
            write(output, write_line9.all & CR);
            deallocate (write_line9);
          end if;
        end if;
      end if;

    end process;

    process (clk)
    VARIABLE write_line10 : line;
    begin
      if clk'event and clk = '1' then
        if std_logic'(reset_n) = '1' then 
          if is_x(std_ulogic(i_read)) then 
            write(write_line10, now);
            write(write_line10, string'(": "));
            write(write_line10, string'("ERROR: cpu_test_bench/i_read is 'x'"));
            write(output, write_line10.all & CR);
            deallocate (write_line10);
            assert false report "VHDL STOP" severity failure;
          end if;
        end if;
      end if;

    end process;

    process (clk, reset_n)
    VARIABLE write_line11 : line;
    begin
      if reset_n = '0' then
      elsif clk'event and clk = '1' then
        if std_logic'(i_read) = '1' then 
          if is_x(i_address) then 
            write(write_line11, now);
            write(write_line11, string'(": "));
            write(write_line11, string'("ERROR: cpu_test_bench/i_address is 'x'"));
            write(output, write_line11.all & CR);
            deallocate (write_line11);
            assert false report "VHDL STOP" severity failure;
          end if;
        end if;