Subversion Repositories srdydrdy_lib

`timescale 1ns/1ns
 
module sb_bench;
 
  localparam width = 32;
  localparam items = 32;
  localparam use_txid = 1;
  localparam use_mask = 1;
  localparam asz=$clog2(items);
  localparam txid_sz = asz;
 
  reg clk, reset;
  wire p_drdy = 1'b1;
 
  initial
    begin
      clk = 0;
      forever #5 clk = ~clk;
    end
 
  /*AUTOWIRE*/
  // Beginning of automatic wires (for undeclared instantiated-module outputs)
  wire [width-1:0]      c_data;                 // From driver of sb_driver.v
  wire                  c_drdy;                 // From sboard of sd_scoreboard.v
  wire [asz-1:0]        c_itemid;               // From driver of sb_driver.v
  wire [width-1:0]      c_mask;                 // From driver of sb_driver.v
  wire                  c_req_type;             // From driver of sb_driver.v
  wire                  c_srdy;                 // From driver of sb_driver.v
  wire [txid_sz-1:0]    c_txid;                 // From driver of sb_driver.v
  wire [width-1:0]      p_data;                 // From sboard of sd_scoreboard.v
  wire                  p_srdy;                 // From sboard of sd_scoreboard.v
  wire [txid_sz-1:0]    p_txid;                 // From sboard of sd_scoreboard.v
  // End of automatics
 
/* sb_driver AUTO_TEMPLATE
 (
 .p_\(.*\)   (c_\1[]),
 );
 */
  sb_driver #(/*AUTOINSTPARAM*/
              // Parameters
              .width                    (width),
              .items                    (items),
              .use_txid                 (use_txid),
              .use_mask                 (use_mask),
              .txid_sz                  (txid_sz),
              .asz                      (asz)) driver
    (/*AUTOINST*/
     // Outputs
     .p_srdy                            (c_srdy),                // Templated
     .p_req_type                        (c_req_type),            // Templated
     .p_txid                            (c_txid[txid_sz-1:0]),   // Templated
     .p_mask                            (c_mask[width-1:0]),     // Templated
     .p_itemid                          (c_itemid[asz-1:0]),     // Templated
     .p_data                            (c_data[width-1:0]),     // Templated
     // Inputs
     .clk                               (clk),
     .reset                             (reset),
     .p_drdy                            (c_drdy));                // Templated
 
/* sd_scoreboard AUTO_TEMPLATE
 (
 );
 */
  sd_scoreboard #(
                  // Parameters
                  .width                (width),
                  .items                (items),
                  .use_txid             (use_txid),
                  .use_mask             (use_mask),
                  .txid_sz              (txid_sz)) sboard
    (/*AUTOINST*/
     // Outputs
     .c_drdy                            (c_drdy),
     .p_srdy                            (p_srdy),
     .p_txid                            (p_txid[txid_sz-1:0]),
     .p_data                            (p_data[width-1:0]),
     // Inputs
     .clk                               (clk),
     .reset                             (reset),
     .c_srdy                            (c_srdy),
     .c_req_type                        (c_req_type),
     .c_txid                            (c_txid[txid_sz-1:0]),
     .c_mask                            (c_mask[width-1:0]),
     .c_data                            (c_data[width-1:0]),
     .c_itemid                          (c_itemid[asz-1:0]),
     .p_drdy                            (p_drdy));
 
  sb_monitor #(/*AUTOINSTPARAM*/
               // Parameters
               .width                   (width),
               .items                   (items),
               .use_txid                (use_txid),
               .use_mask                (use_mask),
               .txid_sz                 (txid_sz),
               .asz                     (asz)) monitor
    (/*AUTOINST*/
     // Outputs
     .p_drdy                            (p_drdy),
     // Inputs
     .clk                               (clk),
     .reset                             (reset),
     .c_srdy                            (c_srdy),
     .c_drdy                            (c_drdy),
     .c_req_type                        (c_req_type),
     .c_txid                            (c_txid[txid_sz-1:0]),
     .c_mask                            (c_mask[width-1:0]),
     .c_data                            (c_data[width-1:0]),
     .c_itemid                          (c_itemid[asz-1:0]),
     .p_srdy                            (p_srdy),
     .p_txid                            (p_txid[txid_sz-1:0]),
     .p_data                            (p_data[width-1:0]));
 
/* -----\/----- EXCLUDED -----\/-----
  task send;
    input req_type;
    input [txid_sz-1:0] txid;
    input [width-1:0]   mask;
    input [width-1:0]   data;
    input [asz-1:0]     itemid;
 -----/\----- EXCLUDED -----/\----- */
  integer               i, entry;
  integer               op;
 
  initial
    begin
`ifdef VCS
      $vcdpluson;
`else
      $dumpfile ("sb.lxt");
      $dumpvars;
`endif
      reset = 1;
      #200;
      reset = 0;
 
      repeat (5) @(posedge clk);
 
      // fill up scoreboard with random data
      for (i=0; i<items; i=i+1)
        begin
          driver.send (1, {width{1'b1}}, $random, i);
        end
 
      // request random entries from scoreboard
      for (i=0; i<64; i=i+1)
        begin
          entry = {$random} % items;
 
          driver.send (0, 0, 0, entry);
        end
 
      // mix updates with requests
      for (i=0; i<1024; i=i+1)
        begin
          entry = {$random} % items;
 
          op = {$random} % 8;
 
          if (op == 0)
            driver.send (1, {width{1'b1}}, $random, entry);
          else if (op == 1)
            driver.send (1, $random, $random, entry);            
          else
            driver.send (0, 0, 0, entry);
        end
 
 
      #500;
      $finish;
    end
 
 
 
endmodule // sb_bench
// Local Variables:
// verilog-library-directories:("." "../../../rtl/verilog/utility")
// End: