From bdc6e6712f23e0457912b7bc0f226f9aed8d5ffc Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Joachim=20Stro=CC=88mbergson?= <joachim@secworks.se>
Date: Tue, 3 Jul 2018 09:10:31 +0200
Subject: Added first tasks to test api write and core read. Everything works
as expected.
---
src/tb/tb_keywrap_mem.v | 54 +++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 54 insertions(+)
diff --git a/src/tb/tb_keywrap_mem.v b/src/tb/tb_keywrap_mem.v
index 6e4a056..726e638 100644
--- a/src/tb/tb_keywrap_mem.v
+++ b/src/tb/tb_keywrap_mem.v
@@ -45,6 +45,9 @@ module tb_keywrap_mem();
parameter CLK_HALF_PERIOD = 1;
parameter CLK_PERIOD = 2 * CLK_HALF_PERIOD;
+ parameter API_ADDR_MAX = 2**14 - 1;
+ parameter CORE_ADDR_MAX = 2**13 - 1;
+
//----------------------------------------------------------------
// Variables, regs and wires.
@@ -116,10 +119,60 @@ module tb_keywrap_mem();
begin
cycle_ctr = 0;
tb_clk = 0;
+
+ tb_api_we = 0;
+ tb_api_addr = 14'h0;
+ tb_api_wr_data = 32'h0;
+ tb_core_we = 0;
+ tb_core_addr = 13'h0;
+ tb_core_wr_data = 64'h0;
+
+ #(CLK_PERIOD);
end
endtask // init_sim
+
+ //----------------------------------------------------------------
+ // dump_mem;
+ //----------------------------------------------------------------
+ task dump_mem;
+ begin : dump_mem
+
+ reg [12 : 0] addr_ctr;
+
+ for (addr_ctr = 0 ; addr_ctr < CORE_ADDR_MAX ; addr_ctr = addr_ctr + 1)
+ begin
+ tb_core_addr = addr_ctr;
+ #(CLK_PERIOD);
+ $display("core_mem [0x%04x] = 0x%016x", addr_ctr, tb_core_rd_data);
+ end
+ end
+ endtask // dump_mem
+
+
+ //----------------------------------------------------------------
+ // test_api_write;
+ //----------------------------------------------------------------
+ task test_api_write;
+ begin : test_api_write
+ reg [13 : 0] addr_ctr;
+
+ for (addr_ctr = 0 ; addr_ctr < API_ADDR_MAX ; addr_ctr = addr_ctr + 1)
+ begin
+ tb_api_we = 1;
+ tb_api_addr = addr_ctr;
+ tb_api_wr_data = {2'h0, addr_ctr, 2'h0, addr_ctr};
+ #(CLK_PERIOD);
+ tb_api_we = 0;
+ end
+
+ #(CLK_PERIOD);
+ dump_mem();
+ end
+ endtask // api_write
+
+
//----------------------------------------------------------------
// main
//----------------------------------------------------------------
@@ -130,6 +183,7 @@ module tb_keywrap_mem();
$display("");
init_sim();
+ test_api_write();
$display("");
$display("*** Keywrap memory simulation done. ***");
--
cgit v1.2.3