diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/tb/tb_sha1.v | 16 | ||||
| -rw-r--r-- | src/tb/tb_sha1_core.v | 16 |
2 files changed, 18 insertions, 14 deletions
diff --git a/src/tb/tb_sha1.v b/src/tb/tb_sha1.v index 6e39075..abf25d2 100644 --- a/src/tb/tb_sha1.v +++ b/src/tb/tb_sha1.v @@ -5,6 +5,7 @@ // Testbench for the SHA-1 top level wrapper. // // +// Author: Joachim Strombergson // Copyright (c) 2014, SUNET // All rights reserved. // @@ -48,7 +49,8 @@ module tb_sha1(); parameter DEBUG_CORE = 0; parameter DEBUG_TOP = 0; - parameter CLK_HALF_PERIOD = 2; + parameter CLK_HALF_PERIOD = 1; + parameter CLK_PERIOD = CLK_HALF_PERIOD * 2; parameter ADDR_NAME0 = 8'h00; parameter ADDR_NAME1 = 8'h01; @@ -150,7 +152,7 @@ module tb_sha1(); dump_top_state(); end - #(2 * CLK_HALF_PERIOD); + #(CLK_PERIOD); cycle_ctr = cycle_ctr + 1; end @@ -333,7 +335,7 @@ module tb_sha1(); tb_address = address; tb_cs = 1; tb_write_read = 0; - #(2 * CLK_HALF_PERIOD); + #(CLK_PERIOD); read_data = tb_data_out; tb_cs = 0; @@ -364,7 +366,7 @@ module tb_sha1(); tb_data_in = word; tb_cs = 1; tb_write_read = 1; - #(2 * CLK_HALF_PERIOD); + #(CLK_PERIOD); tb_cs = 0; tb_write_read = 0; end @@ -461,7 +463,7 @@ module tb_sha1(); write_block(block); write_word(ADDR_CTRL, CTRL_INIT_VALUE); - write_word(ADDR_CTRL, 8'h00); + #(CLK_PERIOD); wait_ready(); read_digest(); @@ -500,7 +502,7 @@ module tb_sha1(); // First block write_block(block0); write_word(ADDR_CTRL, CTRL_INIT_VALUE); - write_word(ADDR_CTRL, 8'h00); + #(CLK_PERIOD); wait_ready(); read_digest(); @@ -519,7 +521,7 @@ module tb_sha1(); // Final block write_block(block1); write_word(ADDR_CTRL, CTRL_NEXT_VALUE); - write_word(ADDR_CTRL, 8'h00); + #(CLK_PERIOD); wait_ready(); read_digest(); diff --git a/src/tb/tb_sha1_core.v b/src/tb/tb_sha1_core.v index 8a5d11b..0ae592d 100644 --- a/src/tb/tb_sha1_core.v +++ b/src/tb/tb_sha1_core.v @@ -6,7 +6,8 @@ // // // Author: Joachim Strombergson -// Copyright (c) 2014 SUNET +// Copyright (c) 2014, SUNET +// All rights reserved. // // Redistribution and use in source and binary forms, with or // without modification, are permitted provided that the following @@ -47,7 +48,8 @@ module tb_sha1_core(); //---------------------------------------------------------------- parameter DEBUG = 0; - parameter CLK_HALF_PERIOD = 2; + parameter CLK_HALF_PERIOD = 1; + parameter CLK_PERIOD = CLK_HALF_PERIOD * 2; //---------------------------------------------------------------- @@ -103,7 +105,7 @@ module tb_sha1_core(); //---------------------------------------------------------------- always begin : sys_monitor - #(2 * CLK_HALF_PERIOD); + #(CLK_PERIOD); if (DEBUG) begin dump_dut_state(); @@ -225,7 +227,7 @@ module tb_sha1_core(); begin while (!tb_ready) begin - #(2 * CLK_HALF_PERIOD); + #(CLK_PERIOD); end end @@ -246,7 +248,7 @@ module tb_sha1_core(); tb_block = block; tb_init = 1; - #(2 * CLK_HALF_PERIOD); + #(CLK_PERIOD); tb_init = 0; wait_ready(); @@ -290,7 +292,7 @@ module tb_sha1_core(); $display("*** TC %0d first block started.", tc_number); tb_block = block1; tb_init = 1; - #(2 * CLK_HALF_PERIOD); + #(CLK_PERIOD); tb_init = 0; wait_ready(); db_digest1 = tb_digest; @@ -299,7 +301,7 @@ module tb_sha1_core(); $display("*** TC %0d second block started.", tc_number); tb_block = block2; tb_next = 1; - #(2 * CLK_HALF_PERIOD); + #(CLK_PERIOD); tb_next = 0; wait_ready(); $display("*** TC %0d second block done.", tc_number); |