[Cryptech-Commits] [user/js/keywrap] branch increase_api_addr_space updated: Updated testbench to handle parameterized core.

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joachim at secworks.se pushed a commit to branch increase_api_addr_space
in repository user/js/keywrap.

The following commit(s) were added to refs/heads/increase_api_addr_space by this push:
     new 2fb042d  Updated testbench to handle parameterized core.
2fb042d is described below

commit 2fb042d7158d4bd5315ef7b716334a7f45aa0928
Author: Joachim Strömbergson <joachim at secworks.se>
AuthorDate: Tue Sep 4 13:17:56 2018 +0200

    Updated testbench to handle parameterized core.
---
 src/tb/tb_keywrap_core.v | 47 ++++++++++++++++++++++++++++-------------------
 1 file changed, 28 insertions(+), 19 deletions(-)

diff --git a/src/tb/tb_keywrap_core.v b/src/tb/tb_keywrap_core.v
index 8d055fe..17c8f30 100644
--- a/src/tb/tb_keywrap_core.v
+++ b/src/tb/tb_keywrap_core.v
@@ -42,38 +42,47 @@ module tb_keywrap_core();
   //----------------------------------------------------------------
   // Parameters.
   //----------------------------------------------------------------
+  parameter DEBUG = 1;
+
   parameter CLK_HALF_PERIOD = 1;
   parameter CLK_PERIOD      = 2 * CLK_HALF_PERIOD;
 
+  parameter API_ADDR_BITS  = 8;
+  parameter RLEN_BITS      = API_ADDR_BITS - 1;
+  parameter CORE_ADDR_BITS = API_ADDR_BITS - 1;
+  parameter API_ADDR_MAX   = (2 ** API_ADDR_BITS) - 1;
+  parameter CORE_ADDR_MAX  = (2 ** CORE_ADDR_BITS) - 1;
 
   //----------------------------------------------------------------
   // Variables, regs and wires.
   //----------------------------------------------------------------
   integer cycle_ctr;
-
-  reg tb_clk;
-  reg tb_reset_n;
-
-  reg           tb_init;
-  reg           tb_next;
-  reg           tb_encdec;
-  wire          tb_ready;
-  wire          tb_valid;
-  reg [12 : 0]  tb_rlen;
-  reg [255 : 0] tb_key;
-  reg           tb_keylen;
-  reg  [63 : 0] tb_a_init;
-  wire [63 : 0] tb_a_result;
-  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 [31 : 0]  error_ctr;
+  reg [31 : 0]  tc_ctr;
+
+  reg                           tb_clk;
+  reg                           tb_reset_n;
+  reg                           tb_init;
+  reg                           tb_next;
+  reg                           tb_encdec;
+  wire                          tb_ready;
+  wire                          tb_valid;
+  reg [(RLEN_BITS - 1) : 0]     tb_rlen;
+  reg [255 : 0]                 tb_key;
+  reg                           tb_keylen;
+  reg  [63 : 0]                 tb_a_init;
+  wire [63 : 0]                 tb_a_result;
+  reg                           tb_api_we;
+  reg [(API_ADDR_BITS - 1) : 0] tb_api_addr;
+  reg [31 : 0]                  tb_api_wr_data;
+  wire [31 : 0]                 tb_api_rd_data;
 
 
   //----------------------------------------------------------------
   // Device Under Test.
   //----------------------------------------------------------------
-  keywrap_core dut(
+  keywrap_core #(.MEM_BITS(API_ADDR_BITS))
+               dut(
                    .clk(tb_clk),
                    .reset_n(tb_reset_n),
 

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