aboutsummaryrefslogtreecommitdiff
path: root/bench/tb_curve_multiplier_256.v
diff options
context:
space:
mode:
Diffstat (limited to 'bench/tb_curve_multiplier_256.v')
-rw-r--r--bench/tb_curve_multiplier_256.v281
1 files changed, 0 insertions, 281 deletions
diff --git a/bench/tb_curve_multiplier_256.v b/bench/tb_curve_multiplier_256.v
deleted file mode 100644
index bcca034..0000000
--- a/bench/tb_curve_multiplier_256.v
+++ /dev/null
@@ -1,281 +0,0 @@
-//------------------------------------------------------------------------------
-//
-// tb_curve_multiplier_256.v
-// -----------------------------------------------------------------------------
-// Testbench for 256-bit curve point scalar multiplier.
-//
-// Authors: Pavel Shatov
-//
-// Copyright (c) 2016, NORDUnet A/S
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are met:
-//
-// - Redistributions of source code must retain the above copyright notice,
-// this list of conditions and the following disclaimer.
-//
-// - 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.
-//
-// - Neither the name of the NORDUnet nor the names of its contributors may be
-// used to endorse or promote products derived from this software without
-// specific prior written permission.
-//
-// 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 HOLDER 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 ADVISED OF THE
-// POSSIBILITY OF SUCH DAMAGE.
-//
-//------------------------------------------------------------------------------
-
-//------------------------------------------------------------------------------
-`timescale 1ns / 1ps
-//------------------------------------------------------------------------------
-
-module tb_curve_multiplier_256;
-
-
- //
- // Test Vectors
- //
- localparam [255:0] K_1 = 256'h70a12c2db16845ed56ff68cfc21a472b3f04d7d6851bf6349f2d7d5b3452b38a;
- localparam [255:0] PX_1 = 256'h8101ece47464a6ead70cf69a6e2bd3d88691a3262d22cba4f7635eaff26680a8;
- localparam [255:0] PY_1 = 256'hd8a12ba61d599235f67d9cb4d58f1783d3ca43e78f0a5abaa624079936c0c3a9;
-
- localparam [255:0] K_2 = 256'h580ec00d856434334cef3f71ecaed4965b12ae37fa47055b1965c7b134ee45d0;
- localparam [255:0] PX_2 = 256'h7214bc9647160bbd39ff2f80533f5dc6ddd70ddf86bb815661e805d5d4e6f27c;
- localparam [255:0] PY_2 = 256'h8b81e3e977597110c7cf2633435b2294b72642987defd3d4007e1cfc5df84541;
-
- localparam [255:0] K_3 = 256'hffffffff00000000ffffffffffffffffbce6faada7179e84f3b9cac2fc632551;
- localparam [255:0] PX_3 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
- localparam [255:0] PY_3 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
-
-
- //
- // Core Parameters
- //
- localparam WORD_COUNTER_WIDTH = 3;
- localparam OPERAND_NUM_WORDS = 8;
-
-
- //
- // Clock (100 MHz)
- //
- reg clk = 1'b0;
- always #5 clk = ~clk;
-
-
- //
- // Inputs, Outputs
- //
- reg rst_n;
- reg ena;
- wire rdy;
-
-
- //
- // Buffers (K, PX, PY)
- //
- wire [WORD_COUNTER_WIDTH-1:0] core_k_addr;
- wire [WORD_COUNTER_WIDTH-1:0] core_px_addr;
- wire [WORD_COUNTER_WIDTH-1:0] core_py_addr;
-
- wire core_px_wren;
- wire core_py_wren;
-
- wire [ 32-1:0] core_k_data;
- wire [ 32-1:0] core_px_data;
- wire [ 32-1:0] core_py_data;
-
- reg [WORD_COUNTER_WIDTH-1:0] tb_k_addr;
- reg [WORD_COUNTER_WIDTH-1:0] tb_pxy_addr;
-
- reg tb_k_wren;
-
- reg [ 31:0] tb_k_data;
- wire [ 31:0] tb_px_data;
- wire [ 31:0] tb_py_data;
-
- bram_1rw_1ro_readfirst # (.MEM_WIDTH(32), .MEM_ADDR_BITS(WORD_COUNTER_WIDTH))
- bram_k
- ( .clk(clk),
- .a_addr(tb_k_addr), .a_wr(tb_k_wren), .a_in(tb_k_data), .a_out(),
- .b_addr(core_k_addr), .b_out(core_k_data)
- );
-
- bram_1rw_1ro_readfirst # (.MEM_WIDTH(32), .MEM_ADDR_BITS(WORD_COUNTER_WIDTH))
- bram_px
- ( .clk(clk),
- .a_addr(core_px_addr), .a_wr(core_px_wren), .a_in(core_px_data), .a_out(),
- .b_addr(tb_pxy_addr), .b_out(tb_px_data)
- );
-
- bram_1rw_1ro_readfirst # (.MEM_WIDTH(32), .MEM_ADDR_BITS(WORD_COUNTER_WIDTH))
- bram_py
- ( .clk(clk),
- .a_addr(core_py_addr), .a_wr(core_py_wren), .a_in(core_py_data), .a_out(),
- .b_addr(tb_pxy_addr), .b_out(tb_py_data)
- );
-
-
- //
- // UUT
- //
- curve_mul_256 uut
- (
- .clk (clk),
- .rst_n (rst_n),
-
- .ena (ena),
- .rdy (rdy),
-
- .k_addr (core_k_addr),
- .rx_addr (core_px_addr),
- .ry_addr (core_py_addr),
-
- .rx_wren (core_px_wren),
- .ry_wren (core_py_wren),
-
- .k_din (core_k_data),
-
- .rx_dout (core_px_data),
- .ry_dout (core_py_data)
- );
-
-
- //
- // Testbench Routine
- //
- reg ok = 1;
- initial begin
-
- /* initialize control inputs */
- rst_n = 0;
- ena = 0;
-
- /* wait for some time */
- #200;
-
- /* de-assert reset */
- rst_n = 1;
-
- /* wait for some time */
- #100;
-
- /* run tests */
- test_curve_multiplier(K_1, PX_1, PY_1);
- test_curve_multiplier(K_2, PX_2, PY_2);
- test_curve_multiplier(K_3, PX_3, PY_3);
-
- /* print result */
- if (ok) $display("tb_curve_multiplier_256: SUCCESS");
- else $display("tb_curve_multiplier_256: FAILURE");
- //
- //$finish;
- //
- end
-
-
- //
- // Test Task
- //
- reg p_ok;
-
- integer w;
-
- task test_curve_multiplier;
-
- input [255:0] k;
- input [255:0] px;
- input [255:0] py;
-
- reg [255:0] k_shreg;
- reg [255:0] px_shreg;
- reg [255:0] py_shreg;
-
- begin
-
- /* start filling memories */
- tb_k_wren = 1;
-
- /* initialize shift registers */
- k_shreg = k;
-
- /* write all the words */
- for (w=0; w<OPERAND_NUM_WORDS; w=w+1) begin
-
- /* set addresses */
- tb_k_addr = w[WORD_COUNTER_WIDTH-1:0];
-
- /* set data words */
- tb_k_data = k_shreg[31:0];
-
- /* shift inputs */
- k_shreg = {{32{1'bX}}, k_shreg[255:32]};
-
- /* wait for 1 clock tick */
- #10;
-
- end
-
- /* wipe addresses */
- tb_k_addr = {WORD_COUNTER_WIDTH{1'bX}};
-
- /* wipe data words */
- tb_k_data = {32{1'bX}};
-
- /* stop filling memories */
- tb_k_wren = 0;
-
- /* start operation */
- ena = 1;
-
- /* clear flag */
- #10 ena = 0;
-
- /* wait for operation to complete */
- while (!rdy) #10;
-
- /* read result */
- for (w=0; w<OPERAND_NUM_WORDS; w=w+1) begin
-
- /* set address */
- tb_pxy_addr = w[WORD_COUNTER_WIDTH-1:0];
-
- /* wait for 1 clock tick */
- #10;
-
- /* store data word */
- px_shreg = {tb_px_data, px_shreg[255:32]};
- py_shreg = {tb_py_data, py_shreg[255:32]};
-
- end
-
- /* compare */
- p_ok = (px_shreg == px) &&
- (py_shreg == py);
-
- /* display results */
- $display("test_curve_multiplier(): %s", p_ok ? "OK" : "ERROR");
-
- /* update global flag */
- ok = ok && p_ok;
-
- end
-
- endtask
-
-endmodule
-
-
-//------------------------------------------------------------------------------
-// End-of-File
-//------------------------------------------------------------------------------
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-19 14:15:47 +0000