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-rw-r--r--src/tb/tb_keywrap_mem.v65
1 files changed, 54 insertions, 11 deletions
diff --git a/src/tb/tb_keywrap_mem.v b/src/tb/tb_keywrap_mem.v
index 6203f0e..6e4a056 100644
--- a/src/tb/tb_keywrap_mem.v
+++ b/src/tb/tb_keywrap_mem.v
@@ -39,12 +39,45 @@
module tb_keywrap_mem();
+ //----------------------------------------------------------------
+ // Parameters.
+ //----------------------------------------------------------------
parameter CLK_HALF_PERIOD = 1;
parameter CLK_PERIOD = 2 * CLK_HALF_PERIOD;
+
+ //----------------------------------------------------------------
+ // Variables, regs and wires.
+ //----------------------------------------------------------------
integer cycle_ctr;
- reg tb_sys_clk;
- reg tb_reset_n;
+ reg [31 : 0] error_ctr;
+ reg [31 : 0] tc_ctr;
+
+ reg tb_clk;
+ reg tb_api_we;
+ reg [13 : 0] tb_api_addr;
+ reg [31 : 0] tb_api_wr_data;
+ wire [31 : 0] tb_api_rd_data;
+ reg tb_core_we;
+ reg [12 : 0] tb_core_addr;
+ reg [63 : 0] tb_core_wr_data;
+ wire [63 : 0] tb_core_rd_data;
+
+
+ //----------------------------------------------------------------
+ // Device Under Test.
+ //----------------------------------------------------------------
+ keywrap_mem dut(
+ .clk(tb_clk),
+ .api_we(tb_api_we),
+ .api_addr(tb_api_addr),
+ .api_wr_data(tb_api_wr_data),
+ .api_rd_data(tb_api_rd_data),
+ .core_we(tb_core_we),
+ .core_addr(tb_core_addr),
+ .core_wr_data(tb_core_wr_data),
+ .core_rd_data(tb_core_rd_data)
+ );
//----------------------------------------------------------------
@@ -55,7 +88,7 @@ module tb_keywrap_mem();
always
begin : clk_gen
#CLK_HALF_PERIOD;
- tb_sys_clk = !tb_sys_clk;
+ tb_clk = !tb_clk;
end // clk_gen
@@ -79,19 +112,29 @@ module tb_keywrap_mem();
// Initialize all counters and testbed functionality as well
// as setting the DUT inputs to defined values.
//----------------------------------------------------------------
- initial
+ task init_sim;
begin
- cycle_ctr = 0;
- tb_sys_clk = 0;
- tb_reset_n = 0;
+ cycle_ctr = 0;
+ tb_clk = 0;
+ end
+ endtask // init_sim
+
- #(CLK_PERIOD * 10);
+ //----------------------------------------------------------------
+ // main
+ //----------------------------------------------------------------
+ initial
+ begin : main
+ $display(" -= Testbench for Keywrap memory started =-");
+ $display(" =========================================");
+ $display("");
- tb_reset_n = 1;
+ init_sim();
- #(CLK_PERIOD * 10);
+ $display("");
+ $display("*** Keywrap memory simulation done. ***");
$finish;
- end
+ end // main
endmodule // tb_keywrap_mem