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initial commit of cbcdes verilog verification sources

master
T. Meissner 12 years ago
parent
7105d21c74
commit
b6fdf6bbd4
5 changed files with 1530 additions and 12 deletions
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  1. +470
    -0
      cbcdes/sim/verilog/data_input.txt
  2. +470
    -0
      cbcdes/sim/verilog/data_output.txt
  3. +470
    -0
      cbcdes/sim/verilog/key_input.txt
  4. +11
    -11
      cbcdes/sim/verilog/tb_cbcdes.tcl
  5. +109
    -1
      cbcdes/sim/verilog/tb_cbcdes.v

+ 470
- 0
cbcdes/sim/verilog/data_input.txt View File

@ -0,0 +1,470 @@
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cbcdes/sim/verilog/data_output.txt View File

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1D9D5C5018F728C2
305532286D6F295A

+ 470
- 0
cbcdes/sim/verilog/key_input.txt View File

@ -0,0 +1,470 @@
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+ 11
- 11
cbcdes/sim/verilog/tb_cbcdes.tcl View File

@ -1,13 +1,13 @@
set signals [list]
lappend signals "tb_cdes.reset"
lappend signals "tb_cdes.clk"
lappend signals "tb_cdes.start"
lappend signals "tb_cdes.validin"
lappend signals "tb_cdes.mode"
lappend signals "tb_cdes.key"
lappend signals "tb_cdes.iv"
lappend signals "tb_cdes.datain"
lappend signals "tb_cdes.readyout"
lappend signals "tb_cdes.validout"
lappend signals "tb_cdes.dataout"
lappend signals "tb_cbcdes.reset"
lappend signals "tb_cbcdes.clk"
lappend signals "tb_cbcdes.start"
lappend signals "tb_cbcdes.validin"
lappend signals "tb_cbcdes.mode"
lappend signals "tb_cbcdes.key"
lappend signals "tb_cbcdes.iv"
lappend signals "tb_cbcdes.datain"
lappend signals "tb_cbcdes.readyout"
lappend signals "tb_cbcdes.validout"
lappend signals "tb_cbcdes.dataout"
set num_added [ gtkwave::addSignalsFromList $signals ]

+ 109
- 1
cbcdes/sim/verilog/tb_cbcdes.v View File

@ -18,8 +18,8 @@
// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
// ======================================================================
`timescale 1ns/1ps
`timescale 1ns/1ps
module tb_cbcdes;
@ -44,6 +44,23 @@ module tb_cbcdes;
wire validout;
wire readyout;
integer index;
integer outdex;
integer enc_errors;
integer dec_errors;
reg [0:63] data_input [0:469];
reg [0:63] key_input [0:469];
reg [0:63] data_output [0:469];
// read in test data files
initial begin
$readmemh("data_input.txt", data_input);
$readmemh("key_input.txt", key_input);
$readmemh("data_output.txt", data_output);
end
// setup simulation
initial begin
@ -57,6 +74,97 @@ module tb_cbcdes;
always #5 clk = !clk;
// stimuli generator process
initial
forever @(negedge reset) begin
@(posedge clk)
for (index = 0; index < 235; index = index + 1)
begin
@(posedge clk)
mode <= 0;
validin <= 1;
datain <= data_input[index];
key <= key_input[index];
end
for (index = 0; index < 10; index = index + 1)
begin
@(posedge clk)
validin <= 0;
end
for (index = 235; index < 470; index = index + 1)
begin
@(posedge clk)
mode <= 1;
validin <= 1;
datain <= data_input[index];
key <= key_input[index];
end
@(posedge clk)
validin <= 0;
mode <= 0;
end
// checker process
always begin : checker
wait (reset)
// encryption tests
@(posedge validout)
for(outdex = 0; outdex < 235; outdex = outdex + 1)
begin
@(posedge clk)
// detected an error -> print error message
// increment error counter
if (dataout != data_output[outdex]) begin
$display ("error, output was %h - should have been %h", dataout, data_output[outdex]);
enc_errors = enc_errors + 1;
end
end
// simulation finished -> print messages and if an error was detected
$display ("#############");
if (enc_errors) begin
$display ("encryption tests finished, %0d errors detected :(", enc_errors);
end else begin
$display ("encryption tests finished, no errors detected :)");
end
// decryption tests
@(posedge validout)
for(outdex = 235; outdex < 470; outdex = outdex + 1)
begin
@(posedge clk)
// detected an error -> print error message
// increment error counter
if (dataout != data_output[outdex]) begin
$display ("error, output was %h - should have been %h", dataout, data_output[outdex]);
dec_errors = dec_errors + 1;
end
end
// simulation finished -> print messages and if an error was detected
$display ("#############");
if (dec_errors) begin
$display ("decryption tests finished, %0d errors detected :(", dec_errors);
end else begin
$display ("decryption tests finished, no errors detected :)");
end
$display ("#############");
if (dec_errors | enc_errors) begin
$display ("simulation finished, %0d errors detected :(", enc_errors + dec_errors);
end else begin
$display ("simulation tests finished, no errors detected :)");
end
$display ("#############");
@(posedge clk)
$finish;
end
// dut
cbcdes i_cbcdes (
.reset_i(reset),


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