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-rw-r--r--src/tb/tb_sha512_core.v176
1 files changed, 90 insertions, 86 deletions
diff --git a/src/tb/tb_sha512_core.v b/src/tb/tb_sha512_core.v
index d0e05f7..e4d3bb8 100644
--- a/src/tb/tb_sha512_core.v
+++ b/src/tb/tb_sha512_core.v
@@ -8,30 +8,30 @@
// Author: Joachim Strombergson
// 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
-// conditions are met:
-//
-// 1. Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-//
-// 2. Redistributions in binary form must reproduce the above copyright
-// notice, this list of conditions and the following disclaimer in
-// the documentation and/or other materials provided with the
-// distribution.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
-// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
-// COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
-// INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+//
+// Redistribution and use in source and binary forms, with or
+// without modification, are permitted provided that the following
+// conditions are met:
+//
+// 1. Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//
+// 2. Redistributions in binary form must reproduce the above copyright
+// notice, this list of conditions and the following disclaimer in
+// the documentation and/or other materials provided with the
+// distribution.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+// COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+// INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
// BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
-// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
-// CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
-// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
-// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+// CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
//======================================================================
@@ -46,7 +46,7 @@
// Test module.
//------------------------------------------------------------------
module tb_sha512_core();
-
+
//----------------------------------------------------------------
// Internal constant and parameter definitions.
//----------------------------------------------------------------
@@ -59,8 +59,8 @@ module tb_sha512_core();
parameter MODE_SHA_512_256 = 1;
parameter MODE_SHA_384 = 2;
parameter MODE_SHA_512 = 3;
-
-
+
+
//----------------------------------------------------------------
// Register and Wire declarations.
//----------------------------------------------------------------
@@ -77,39 +77,39 @@ module tb_sha512_core();
wire tb_ready;
wire [511 : 0] tb_digest;
wire tb_digest_valid;
-
-
+
+
//----------------------------------------------------------------
// Device Under Test.
//----------------------------------------------------------------
sha512_core dut(
.clk(tb_clk),
.reset_n(tb_reset_n),
-
+
.init(tb_init),
.next(tb_next),
.mode(tb_mode),
.block(tb_block),
-
+
.ready(tb_ready),
-
+
.digest(tb_digest),
.digest_valid(tb_digest_valid)
);
-
+
//----------------------------------------------------------------
// clk_gen
//
// Always running clock generator process.
//----------------------------------------------------------------
- always
+ always
begin : clk_gen
#CLK_HALF_PERIOD;
tb_clk = !tb_clk;
end // clk_gen
-
+
//----------------------------------------------------------------
// sys_monitor()
@@ -127,7 +127,7 @@ module tb_sha512_core();
end
end
-
+
//----------------------------------------------------------------
// dump_dut_state()
//
@@ -138,40 +138,40 @@ module tb_sha512_core();
$display("State of DUT");
$display("------------");
$display("Inputs and outputs:");
- $display("init = 0x%01x, next = 0x%01x. mode = 0x%01x",
+ $display("init = 0x%01x, next = 0x%01x. mode = 0x%01x",
dut.init, dut.next, dut.mode);
$display("block = 0x%0128x", dut.block);
- $display("ready = 0x%01x, valid = 0x%01x",
+ $display("ready = 0x%01x, valid = 0x%01x",
dut.ready, dut.digest_valid);
$display("digest = 0x%064x", dut.digest);
- $display("H0_reg = 0x%08x, H1_reg = 0x%08x, H2_reg = 0x%08x, H3_reg = 0x%08x",
+ $display("H0_reg = 0x%08x, H1_reg = 0x%08x, H2_reg = 0x%08x, H3_reg = 0x%08x",
dut.H0_reg, dut.H1_reg, dut.H2_reg, dut.H3_reg);
- $display("H4_reg = 0x%08x, H5_reg = 0x%08x, H6_reg = 0x%08x, H7_reg = 0x%08x",
+ $display("H4_reg = 0x%08x, H5_reg = 0x%08x, H6_reg = 0x%08x, H7_reg = 0x%08x",
dut.H4_reg, dut.H5_reg, dut.H6_reg, dut.H7_reg);
$display("");
-
+
$display("Control signals and counter:");
$display("sha512_ctrl_reg = 0x%02x", dut.sha512_ctrl_reg);
- $display("digest_init = 0x%01x, digest_update = 0x%01x",
+ $display("digest_init = 0x%01x, digest_update = 0x%01x",
dut.digest_init, dut.digest_update);
- $display("state_init = 0x%01x, state_update = 0x%01x",
+ $display("state_init = 0x%01x, state_update = 0x%01x",
dut.state_init, dut.state_update);
- $display("first_block = 0x%01x, ready_flag = 0x%01x, w_init = 0x%01x",
+ $display("first_block = 0x%01x, ready_flag = 0x%01x, w_init = 0x%01x",
dut.first_block, dut.ready_flag, dut.w_init);
- $display("t_ctr_inc = 0x%01x, t_ctr_rst = 0x%01x, t_ctr_reg = 0x%02x",
+ $display("t_ctr_inc = 0x%01x, t_ctr_rst = 0x%01x, t_ctr_reg = 0x%02x",
dut.t_ctr_inc, dut.t_ctr_rst, dut.t_ctr_reg);
$display("");
$display("State registers:");
- $display("a_reg = 0x%08x, b_reg = 0x%08x, c_reg = 0x%08x, d_reg = 0x%08x",
+ $display("a_reg = 0x%08x, b_reg = 0x%08x, c_reg = 0x%08x, d_reg = 0x%08x",
dut.a_reg, dut.b_reg, dut.c_reg, dut.d_reg);
- $display("e_reg = 0x%08x, f_reg = 0x%08x, g_reg = 0x%08x, h_reg = 0x%08x",
+ $display("e_reg = 0x%08x, f_reg = 0x%08x, g_reg = 0x%08x, h_reg = 0x%08x",
dut.e_reg, dut.f_reg, dut.g_reg, dut.h_reg);
$display("");
- $display("a_new = 0x%08x, b_new = 0x%08x, c_new = 0x%08x, d_new = 0x%08x",
+ $display("a_new = 0x%08x, b_new = 0x%08x, c_new = 0x%08x, d_new = 0x%08x",
dut.a_new, dut.b_new, dut.c_new, dut.d_new);
- $display("e_new = 0x%08x, f_new = 0x%08x, g_new = 0x%08x, h_new = 0x%08x",
+ $display("e_new = 0x%08x, f_new = 0x%08x, g_new = 0x%08x, h_new = 0x%08x",
dut.e_new, dut.f_new, dut.g_new, dut.h_new);
$display("");
@@ -182,7 +182,7 @@ module tb_sha512_core();
end
endtask // dump_dut_state
-
+
//----------------------------------------------------------------
// dump_dut_wmem()
//
@@ -192,19 +192,23 @@ module tb_sha512_core();
begin
$display("State of DUT WMEM");
$display("-----------------");
- $display("W[00] = 0x%016x, W[01] = 0x%016x, W[02] = 0x%016x, W[03] = 0x%016x",
- dut.w_mem.w_mem[00], dut.w_mem.w_mem[01], dut.w_mem.w_mem[02], dut.w_mem.w_mem[03]);
- $display("W[04] = 0x%016x, W[05] = 0x%016x, W[06] = 0x%016x, W[07] = 0x%016x",
- dut.w_mem.w_mem[04], dut.w_mem.w_mem[05], dut.w_mem.w_mem[06], dut.w_mem.w_mem[07]);
- $display("W[08] = 0x%016x, W[09] = 0x%016x, W[10] = 0x%016x, W[11] = 0x%016x",
- dut.w_mem.w_mem[08], dut.w_mem.w_mem[09], dut.w_mem.w_mem[10], dut.w_mem.w_mem[11]);
- $display("W[12] = 0x%016x, W[13] = 0x%016x, W[14] = 0x%016x, W[15] = 0x%016x",
- dut.w_mem.w_mem[12], dut.w_mem.w_mem[13], dut.w_mem.w_mem[14], dut.w_mem.w_mem[15]);
+ $display("W[00] = 0x%016x, W[01] = 0x%016x, W[02] = 0x%016x, W[03] = 0x%016x",
+ dut.w_mem_inst.w_mem[00], dut.w_mem_inst.w_mem[01],
+ dut.w_mem_inst.w_mem[02], dut.w_mem_inst.w_mem[03]);
+ $display("W[04] = 0x%016x, W[05] = 0x%016x, W[06] = 0x%016x, W[07] = 0x%016x",
+ dut.w_mem_inst.w_mem[04], dut.w_mem_inst.w_mem[05],
+ dut.w_mem_inst.w_mem[06], dut.w_mem_inst.w_mem[07]);
+ $display("W[08] = 0x%016x, W[09] = 0x%016x, W[10] = 0x%016x, W[11] = 0x%016x",
+ dut.w_mem_inst.w_mem[08], dut.w_mem_inst.w_mem[09],
+ dut.w_mem_inst.w_mem[10], dut.w_mem_inst.w_mem[11]);
+ $display("W[12] = 0x%016x, W[13] = 0x%016x, W[14] = 0x%016x, W[15] = 0x%016x",
+ dut.w_mem_inst.w_mem[12], dut.w_mem_inst.w_mem[13],
+ dut.w_mem_inst.w_mem[14], dut.w_mem_inst.w_mem[15]);
$display("");
end
endtask // dump_dut_wmem
-
+
//----------------------------------------------------------------
// reset_dut()
//
@@ -219,7 +223,7 @@ module tb_sha512_core();
end
endtask // reset_dut
-
+
//----------------------------------------------------------------
// init_sim()
//
@@ -231,7 +235,7 @@ module tb_sha512_core();
cycle_ctr = 0;
error_ctr = 0;
tc_ctr = 0;
-
+
tb_clk = 0;
tb_reset_n = 1;
@@ -243,7 +247,7 @@ module tb_sha512_core();
end
endtask // init_dut
-
+
//----------------------------------------------------------------
// display_test_result()
//
@@ -261,7 +265,7 @@ module tb_sha512_core();
end
end
endtask // display_test_result
-
+
//----------------------------------------------------------------
// wait_ready()
@@ -281,7 +285,7 @@ module tb_sha512_core();
end
endtask // wait_ready
-
+
//----------------------------------------------------------------
// single_block_test()
//
@@ -296,13 +300,13 @@ module tb_sha512_core();
begin
$display("*** TC %0d single block test case started.", tc_number);
tc_ctr = tc_ctr + 1;
-
+
tb_block = block;
tb_mode = mode;
tb_init = 1;
#(2 * CLK_PERIOD);
tb_init = 0;
-
+
wait_ready();
case (mode)
@@ -310,41 +314,41 @@ module tb_sha512_core();
begin
mask = {{7{32'hffffffff}}, {9{32'h00000000}}};
end
-
+
MODE_SHA_512_256:
begin
mask = {{8{32'hffffffff}}, {8{32'h00000000}}};
end
-
+
MODE_SHA_384:
begin
mask = {{12{32'hffffffff}}, {4{32'h00000000}}};
end
-
+
MODE_SHA_512:
begin
mask = {16{32'hffffffff}};
end
endcase // case (mode)
-
+
if ((tb_digest & mask) == expected)
begin
$display("*** TC %0d successful.", tc_number);
$display("");
- end
+ end
else
begin
$display("*** ERROR: TC %0d NOT successful.", tc_number);
$display("Expected: 0x%064x", expected);
$display("Got: 0x%064x", tb_digest);
$display("");
-
+
error_ctr = error_ctr + 1;
end
end
endtask // single_block_test
-
+
//----------------------------------------------------------------
// double_block_test()
//
@@ -375,7 +379,7 @@ module tb_sha512_core();
wait_ready();
db_digest1 = tb_digest;
$display("*** TC %0d first block done.", tc_number);
-
+
$display("*** TC %0d second block started.", tc_number);
tb_block = block2;
tb_next = 1;
@@ -383,12 +387,12 @@ module tb_sha512_core();
tb_next = 0;
wait_ready();
$display("*** TC %0d second block done.", tc_number);
-
+
if (db_digest1 == expected1)
begin
$display("*** TC %0d first block successful", tc_number);
$display("");
- end
+ end
else
begin
$display("*** ERROR: TC %0d first block NOT successful", tc_number);
@@ -403,17 +407,17 @@ module tb_sha512_core();
begin
mask = {{7{32'hffffffff}}, {9{32'h00000000}}};
end
-
+
MODE_SHA_512_256:
begin
mask = {{8{32'hffffffff}}, {8{32'h00000000}}};
end
-
+
MODE_SHA_384:
begin
mask = {{12{32'hffffffff}}, {4{32'h00000000}}};
end
-
+
MODE_SHA_512:
begin
mask = {16{32'hffffffff}};
@@ -424,7 +428,7 @@ module tb_sha512_core();
begin
$display("*** TC %0d second block successful", tc_number);
$display("");
- end
+ end
else
begin
$display("*** ERROR: TC %0d second block NOT successful", tc_number);
@@ -440,11 +444,11 @@ module tb_sha512_core();
end
end
endtask // double_block_test
-
-
+
+
//----------------------------------------------------------------
// sha512_core_test
- // The main test functionality.
+ // The main test functionality.
//
// Test cases taken from:
// http://csrc.nist.gov/groups/ST/toolkit/documents/Examples/SHA_All.pdf
@@ -456,7 +460,7 @@ module tb_sha512_core();
reg [511 : 0] tc2_expected;
reg [511 : 0] tc3_expected;
reg [511 : 0] tc4_expected;
-
+
reg [1024 : 0] double_block_one;
reg [1024 : 0] double_block_two;
reg [511 : 0] tc5_expected;
@@ -467,7 +471,7 @@ module tb_sha512_core();
reg [511 : 0] tc10_expected;
reg [511 : 0] tc11_expected;
reg [511 : 0] tc12_expected;
-
+
$display(" -- Testbench for sha512 core started --");
init_sim();
@@ -481,7 +485,7 @@ module tb_sha512_core();
// SHA-512 single block digest and test.
tc1_expected = 512'hDDAF35A193617ABACC417349AE20413112E6FA4E89A97EA20A9EEEE64B55D39A2192992A274FC1A836BA3C23A3FEEBBD454D4423643CE80E2A9AC94FA54CA49F;
single_block_test(8'h01, MODE_SHA_512, single_block, tc1_expected);
-
+
// SHA-512_224 single block digest and test.
tc2_expected = {224'h4634270F707B6A54DAAE7530460842E20E37ED265CEEE9A43E8924AA, {9{32'h00000000}}};
single_block_test(8'h02, MODE_SHA_512_224, single_block, tc2_expected);
@@ -519,7 +523,7 @@ module tb_sha512_core();
tc12_expected = {384'h09330C33F71147E83D192FC782CD1B4753111B173B3B05D22FA08086E3B0F712FCC7C71A557E2DB966C3E9FA91746039, {4{32'h00000000}}};
double_block_test(8'h08, MODE_SHA_384, double_block_one, double_block_two, tc11_expected, tc12_expected);
-
+
display_test_result();
$display("*** Simulation done.");
$finish;
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-17 22:36:41 +0000