From b1b208d97c5a47c4651ec0c15ba41a0b3db93723 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Joachim=20Stro=CC=88mbergson?= <joachim@secworks.se>
Date: Thu, 16 Aug 2018 19:04:03 +0200
Subject: Adding delay cycle to API regs to match the latency for accessing the
 blockRAM. Added test case that checks access to the API regs.

---
 src/tb/tb_keywrap.v | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

(limited to 'src/tb/tb_keywrap.v')

diff --git a/src/tb/tb_keywrap.v b/src/tb/tb_keywrap.v
index c28b5a6..412bdb2 100644
--- a/src/tb/tb_keywrap.v
+++ b/src/tb/tb_keywrap.v
@@ -358,6 +358,28 @@ module tb_keywrap();
   endtask // reset_dut
 
 
+  //----------------------------------------------------------------
+  // test_core_access
+  // Simple test that we can perform read access to regs
+  // in the core.
+  //----------------------------------------------------------------
+  task test_core_access;
+    begin : test_core_access
+      $display("** TC test_core_access START.");
+
+      read_word(ADDR_NAME0);
+      $display("NAME0: %s", read_data);
+      read_word(ADDR_NAME1);
+      $display("NAME1: %s", read_data);
+      read_word(ADDR_VERSION);
+      $display("version: %s", read_data);
+      $display("");
+
+      $display("** TC test_core_access END.");
+    end
+  endtask // test_core_access
+
+
   //----------------------------------------------------------------
   // test_kwp_ae_128_1
   // Implements wrap test based on NIST KWP_AE 128 bit key
@@ -949,6 +971,8 @@ module tb_keywrap();
       reset_dut();
       dump_dut_state();
 
+      test_core_access();
+
       test_kwp_ae_128_1();
       test_kwp_ad_128_1();
       test_kwp_ae_128_2();
-- 
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