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Diffstat (limited to 'bench/tb_curve_doubler_256.v')
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diff --git a/bench/tb_curve_doubler_256.v b/bench/tb_curve_doubler_256.v deleted file mode 100644 index c7a1c0f..0000000 --- a/bench/tb_curve_doubler_256.v +++ /dev/null @@ -1,409 +0,0 @@ -//------------------------------------------------------------------------------ -// -// tb_curve_doubler_256.v -// ----------------------------------------------------------------------------- -// Testbench for 256-bit curve point doubler. -// -// 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_doubler_256; - - - // - // Test Vectors - // - localparam [255:0] PX_1 = 256'h6b17d1f2e12c4247f8bce6e563a440f277037d812deb33a0f4a13945d898c296; - localparam [255:0] PY_1 = 256'h4fe342e2fe1a7f9b8ee7eb4a7c0f9e162bce33576b315ececbb6406837bf51f5; - localparam [255:0] PZ_1 = 256'h0000000000000000000000000000000000000000000000000000000000000001; - - localparam [255:0] RX_1 = 256'h9a978f59acd1b5ad570e7d52dcfcde43804b42274f61ddcf1e7d848391d6c70f; - localparam [255:0] RY_1 = 256'h4126885e7f786af905338238e5346d5fe77fc46388668bd0fd59be3190d2f5d1; - localparam [255:0] RZ_1 = 256'h9fc685c5fc34ff371dcfd694f81f3c2c579c66aed662bd9d976c80d06f7ea3ea; - - localparam [255:0] PX_2 = 256'h0ec88440c8b00a9e572bf1bceb7d0c5906bd65990a9b7081130bd72e2c136ca0; - localparam [255:0] PY_2 = 256'hc0bc77e1339e899101f8e8eccf79c3f7f4bbdd1bf96f6446199bd423026a60d6; - localparam [255:0] PZ_2 = 256'hdd27cb52a31d1f6e041accf1103de05ba0a5edd74b738d51fe3397de0e3fc306; - - localparam [255:0] RX_2 = 256'he6afae63e774df21244609cb4c35d17d28b36b8b9fb7c58929af247f34ac72f9; - localparam [255:0] RY_2 = 256'h061076db7a5745adc90b2e9eebe0ad6482309690f50b60835c265cf83a1b34eb; - localparam [255:0] RZ_2 = 256'h1b6bfd04f2a41d68e85423655db1142d97ebaec0c67c450408f427e35c4f054f; - - localparam [255:0] PX_3 = 256'hb0f824c88ec62df89912ca9ffbcbbb4ffb4d80f8a7d7b4a992273261a2f7be7f; - localparam [255:0] PY_3 = 256'h403e34c78c2b816fce2b1f8d73cfeef28113b8de8bda4a447d17b619bef73705; - localparam [255:0] PZ_3 = 256'h0e3e81bb8e954f3164ae54a6cffa7fcc9631dfddee55fac61e46415f1f5fe5e2; - - localparam [255:0] RX_3 = 256'hd4e725920c88cc2f57847a315f3b6c180abb278b8fa2a47da3d1a191a8c29e19; - localparam [255:0] RY_3 = 256'ha798ad8dbd66c98b53414ab1d04b0f871929a90fea996c88b96d9d68eb8eb0dc; - localparam [255:0] RZ_3 = 256'ha7ead72c01294eaf2899bb6b84f7d26417e6758e3db29f3b5c2ca8e9911067f5; - - localparam [255:0] PX_4 = 256'hXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX; - localparam [255:0] PY_4 = 256'hXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX; - localparam [255:0] PZ_4 = 256'h0000000000000000000000000000000000000000000000000000000000000000; - - localparam [255:0] RX_4 = 256'h0000000000000000000000000000000000000000000000000000000000000001; - localparam [255:0] RY_4 = 256'h0000000000000000000000000000000000000000000000000000000000000001; - localparam [255:0] RZ_4 = 256'h0000000000000000000000000000000000000000000000000000000000000000; - - localparam [255:0] Q = 256'hffffffff00000001000000000000000000000000ffffffffffffffffffffffff; - - - - // - // TODO: Test special cases! - // - - - // - // 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 (PX, PY, PZ, RX, RY, RZ, Q) - // - wire [WORD_COUNTER_WIDTH-1:0] core_px_addr; - wire [WORD_COUNTER_WIDTH-1:0] core_py_addr; - wire [WORD_COUNTER_WIDTH-1:0] core_pz_addr; - - wire [WORD_COUNTER_WIDTH-1:0] core_rx_addr; - wire [WORD_COUNTER_WIDTH-1:0] core_ry_addr; - wire [WORD_COUNTER_WIDTH-1:0] core_rz_addr; - - wire [WORD_COUNTER_WIDTH-1:0] core_q_addr; - - wire core_rx_wren; - wire core_ry_wren; - wire core_rz_wren; - - wire [ 32-1:0] core_px_data; - wire [ 32-1:0] core_py_data; - wire [ 32-1:0] core_pz_data; - - wire [ 32-1:0] core_rx_data_wr; - wire [ 32-1:0] core_ry_data_wr; - wire [ 32-1:0] core_rz_data_wr; - - wire [ 32-1:0] core_rx_data_rd; - wire [ 32-1:0] core_ry_data_rd; - wire [ 32-1:0] core_rz_data_rd; - - wire [ 32-1:0] core_q_data; - - reg [WORD_COUNTER_WIDTH-1:0] tb_xyzq_addr; - reg tb_xyzq_wren; - - reg [ 31:0] tb_px_data; - reg [ 31:0] tb_py_data; - reg [ 31:0] tb_pz_data; - wire [ 31:0] tb_rx_data; - wire [ 31:0] tb_ry_data; - wire [ 31:0] tb_rz_data; - reg [ 31:0] tb_q_data; - - bram_1rw_1ro_readfirst # (.MEM_WIDTH(32), .MEM_ADDR_BITS(WORD_COUNTER_WIDTH)) - bram_px - ( .clk(clk), - .a_addr(tb_xyzq_addr), .a_wr(tb_xyzq_wren), .a_in(tb_px_data), .a_out(), - .b_addr(core_px_addr), .b_out(core_px_data) - ); - - bram_1rw_1ro_readfirst # (.MEM_WIDTH(32), .MEM_ADDR_BITS(WORD_COUNTER_WIDTH)) - bram_py - ( .clk(clk), - .a_addr(tb_xyzq_addr), .a_wr(tb_xyzq_wren), .a_in(tb_py_data), .a_out(), - .b_addr(core_py_addr), .b_out(core_py_data) - ); - - bram_1rw_1ro_readfirst # (.MEM_WIDTH(32), .MEM_ADDR_BITS(WORD_COUNTER_WIDTH)) - bram_pz - ( .clk(clk), - .a_addr(tb_xyzq_addr), .a_wr(tb_xyzq_wren), .a_in(tb_pz_data), .a_out(), - .b_addr(core_pz_addr), .b_out(core_pz_data) - ); - - bram_1rw_1ro_readfirst # (.MEM_WIDTH(32), .MEM_ADDR_BITS(WORD_COUNTER_WIDTH)) - bram_q - ( .clk(clk), - .a_addr(tb_xyzq_addr), .a_wr(tb_xyzq_wren), .a_in(tb_q_data), .a_out(), - .b_addr(core_q_addr), .b_out(core_q_data) - ); - - bram_1rw_1ro_readfirst # (.MEM_WIDTH(32), .MEM_ADDR_BITS(WORD_COUNTER_WIDTH)) - bram_rx - ( .clk(clk), - .a_addr(core_rx_addr), .a_wr(core_rx_wren), .a_in(core_rx_data_wr), .a_out(core_rx_data_rd), - .b_addr(tb_xyzq_addr), .b_out(tb_rx_data) - ); - - bram_1rw_1ro_readfirst # (.MEM_WIDTH(32), .MEM_ADDR_BITS(WORD_COUNTER_WIDTH)) - bram_ry - ( .clk(clk), - .a_addr(core_ry_addr), .a_wr(core_ry_wren), .a_in(core_ry_data_wr), .a_out(core_ry_data_rd), - .b_addr(tb_xyzq_addr), .b_out(tb_ry_data) - ); - - bram_1rw_1ro_readfirst # (.MEM_WIDTH(32), .MEM_ADDR_BITS(WORD_COUNTER_WIDTH)) - bram_rz - ( .clk(clk), - .a_addr(core_rz_addr), .a_wr(core_rz_wren), .a_in(core_rz_data_wr), .a_out(core_rz_data_rd), - .b_addr(tb_xyzq_addr), .b_out(tb_rz_data) - ); - - - // - // Opcode - // - wire [ 5: 0] dbl_uop_addr; - wire [19: 0] dbl_uop; - - uop_dbl_rom dbl_rom - ( - .clk (clk), - .addr (dbl_uop_addr), - .data (dbl_uop) - ); - - - // - // UUT - // - curve_dbl_add_256 uut - ( - .clk (clk), - .rst_n (rst_n), - - .ena (ena), - .rdy (rdy), - - .uop_addr (dbl_uop_addr), - .uop (dbl_uop), - - .px_addr (core_px_addr), - .py_addr (core_py_addr), - .pz_addr (core_pz_addr), - .rx_addr (core_rx_addr), - .ry_addr (core_ry_addr), - .rz_addr (core_rz_addr), - .q_addr (core_q_addr), - - .rx_wren (core_rx_wren), - .ry_wren (core_ry_wren), - .rz_wren (core_rz_wren), - - .px_din (core_px_data), - .py_din (core_py_data), - .pz_din (core_pz_data), - .rx_din (core_rx_data_rd), - .ry_din (core_ry_data_rd), - .rz_din (core_rz_data_rd), - .rx_dout (core_rx_data_wr), - .ry_dout (core_ry_data_wr), - .rz_dout (core_rz_data_wr), - .q_din (core_q_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_doubler(PX_1, PY_1, PZ_1, RX_1, RY_1, RZ_1); - test_curve_doubler(PX_2, PY_2, PZ_2, RX_2, RY_2, RZ_2); - test_curve_doubler(PX_3, PY_3, PZ_3, RX_3, RY_3, RZ_3); - test_curve_doubler(PX_4, PY_4, PZ_4, RX_4, RY_4, RZ_4); - - /* print result */ - if (ok) $display("tb_curve_doubler_256: SUCCESS"); - else $display("tb_curve_doubler_256: FAILURE"); - // - // $finish; - // - end - - - // - // Test Task - // - reg t_ok; - - integer w; - - task test_curve_doubler; - - input [255:0] px; - input [255:0] py; - input [255:0] pz; - - input [255:0] rx; - input [255:0] ry; - input [255:0] rz; - - reg [255:0] px_shreg; - reg [255:0] py_shreg; - reg [255:0] pz_shreg; - - reg [255:0] rx_shreg; - reg [255:0] ry_shreg; - reg [255:0] rz_shreg; - - reg [255:0] q_shreg; - - begin - - /* start filling memories */ - tb_xyzq_wren = 1; - - /* initialize shift registers */ - px_shreg = px; - py_shreg = py; - pz_shreg = pz; - q_shreg = Q; - - /* write all the words */ - for (w=0; w<OPERAND_NUM_WORDS; w=w+1) begin - - /* set addresses */ - tb_xyzq_addr = w[WORD_COUNTER_WIDTH-1:0]; - - /* set data words */ - tb_px_data = px_shreg[31:0]; - tb_py_data = py_shreg[31:0]; - tb_pz_data = pz_shreg[31:0]; - tb_q_data = q_shreg[31:0]; - - /* shift inputs */ - px_shreg = {{32{1'bX}}, px_shreg[255:32]}; - py_shreg = {{32{1'bX}}, py_shreg[255:32]}; - pz_shreg = {{32{1'bX}}, pz_shreg[255:32]}; - q_shreg = {{32{1'bX}}, q_shreg[255:32]}; - - /* wait for 1 clock tick */ - #10; - - end - - /* wipe addresses */ - tb_xyzq_addr = {WORD_COUNTER_WIDTH{1'bX}}; - - /* wipe data words */ - tb_px_data = {32{1'bX}}; - tb_py_data = {32{1'bX}}; - tb_pz_data = {32{1'bX}}; - tb_q_data = {32{1'bX}}; - - /* stop filling memories */ - tb_xyzq_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_xyzq_addr = w[WORD_COUNTER_WIDTH-1:0]; - - /* wait for 1 clock tick */ - #10; - - /* store data word */ - rx_shreg = {tb_rx_data, rx_shreg[255:32]}; - ry_shreg = {tb_ry_data, ry_shreg[255:32]}; - rz_shreg = {tb_rz_data, rz_shreg[255:32]}; - - end - - /* compare */ - t_ok = (rx_shreg == rx) && - (ry_shreg == ry) && - (rz_shreg == rz); - - /* display results */ - $display("test_curve_doubler(): %s", t_ok ? "OK" : "ERROR"); - - /* update global flag */ - ok = ok && t_ok; - - end - - endtask - - -endmodule - -//------------------------------------------------------------------------------ -// End-of-File -//------------------------------------------------------------------------------ |