Adding key timeout output port to allow core to inform the top level wrapper that timeout has occured. Added functionality to zeroise API key registers when timout has happened. Updated all auto_zeroise test cases to check that API key registers are properly zeroised.

1 files changed, 3 insertions, 1 deletions

diff --git a/src/tb/tb_keywrap_core.v b/src/tb/tb_keywrap_core.v
index 7f9c42d..6ec76be 100644
--- a/src/tb/tb_keywrap_core.v
+++ b/src/tb/tb_keywrap_core.v
@@ -71,6 +71,7 @@ module tb_keywrap_core();
   reg [31 : 0]                  tb_timeout;
   reg                           tb_ping;
   reg                           tb_zeroise;
+  wire                          tb_dut_timeout;
   reg [(RLEN_BITS - 1) : 0]     tb_rlen;
   reg [255 : 0]                 tb_key;
   reg                           tb_keylen;
@@ -98,9 +99,10 @@ module tb_keywrap_core();
                    .valid(tb_valid),
                    .loaded(tb_loaded),
 
-                   .timeout(tb_timeout),
+                   .timeout_delay(tb_timeout),
                    .ping(tb_ping),
                    .zeroise(tb_zeroise),
+                   .timeout(tb_dut_timeout),
 
                    .rlen(tb_rlen),
                    .key(tb_key),