diff options
| author | Pavel V. Shatov (Meister) <meisterpaul1@yandex.ru> | 2017-02-12 22:10:17 +0300 |
|---|---|---|
| committer | Pavel V. Shatov (Meister) <meisterpaul1@yandex.ru> | 2017-02-12 22:10:17 +0300 |
| commit | 747c165611c3016c997e092797bc20a4f900cdea (patch) | |
| tree | da11c5d240fc8a54ca37720d6a4ad863720e9c9e /bench | |
Initial commit of base point multiplier core for ECDSA curve P-384.
Diffstat (limited to 'bench')
| -rw-r--r-- | bench/tb_curve_adder_384.v | 426 | ||||
| -rw-r--r-- | bench/tb_curve_doubler_384.v | 413 | ||||
| -rw-r--r-- | bench/tb_curve_multiplier_384.v | 281 | ||||
| -rw-r--r-- | bench/tb_modular_multiplier_384.v | 366 |
4 files changed, 1486 insertions, 0 deletions
diff --git a/bench/tb_curve_adder_384.v b/bench/tb_curve_adder_384.v new file mode 100644 index 0000000..b2da029 --- /dev/null +++ b/bench/tb_curve_adder_384.v @@ -0,0 +1,426 @@ +//------------------------------------------------------------------------------ +// +// tb_curve_adder_384.v +// ----------------------------------------------------------------------------- +// Testbench for 384-bit curve point adder. +// +// 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_adder_384; + + + // + // Test Vectors + // + localparam [383:0] PX_1 = 384'h7d51764067faaac686ee307807af5544a93e13c540cac538c7853a590102fa5fe6cdcc7791e44b76ef21c57e21df37e5; + localparam [383:0] PY_1 = 384'h046ed01f219649209a4cfd43572d7bdd1f10f74d5be895a6c8da8e8edfc2601aaf7651e497b8688cf02ba5e1c7e77773; + localparam [383:0] PZ_1 = 384'h27c452f26af1ece2924446b574969fd102556bd28712ff4b3eb1044c5ec23e59f958793e10a510f0aef98c3b724df1d5;
+
+ localparam [383:0] RX_1 = 384'h238faca9e58d1fe1b59a24ba94ec6d9836fc360cb84e103715f1761554ff6a09b6d605a34f63ae0f995f59c162e7ff24; + localparam [383:0] RY_1 = 384'h63b7c7672a310f779a2047315523788d69b823d4e97e26c3b45201b0345a95de977024e97e8648215a637727d0f17747; + localparam [383:0] RZ_1 = 384'h394b5d916df6f9120c7771c750df3bc910998eb0a08daac1ca6e15ef70780fd48bf794d06f9cbe9568a2dbf4362dda86;
+
+
+ localparam [383:0] PX_2 = 384'h8418363a2fe99e888abba4df9e4a0e55452b9e968454ffadc96b4fb8072174109755c564a7be3c2f860652315d635f56; + localparam [383:0] PY_2 = 384'h2bef570ce39347040330df4ac581fcc7d9dd9deb286bd80f05257d90d6560f1b5381009a3a6f0acc1ea30a5e7cc7d8b8; + localparam [383:0] PZ_2 = 384'h86a8b840bd52d4dc58e9e4323fd4b40ea9b262a8cb45f7e95f5407b7e5eacc16fe4ce70125f20b76b37900af12cbf909; + + localparam [383:0] RX_2 = 384'h7de41f9c2d48cd65d2cd1288c4fcdcd5bfe37575b23b8784e6091917a1c92c264a1105ce3c4ab88ca53947f35610f671; + localparam [383:0] RY_2 = 384'h419decfcef28d06a824595bbcb86ff56aebe48a33ceb80f0a256b90aee8214d0d879454842457d49e00a2330cc0ccb57; + localparam [383:0] RZ_2 = 384'h63843f81a3427e4dea2e3e150c16d26a4aa2af4d8037a1012e0490babdfa55606e5cea5e183cc147f2c1b377748ae58b;
+
+
+ localparam [383:0] PX_3 = 384'hd95cd4004f9417b3bea71ac087da4849841c4fbb41b500736773f41f241414024d0025e1a4337e5b24b1fe2ba2e51a83; + localparam [383:0] PY_3 = 384'h53650c78f3347a07248d6f6452dd80f5e373c7eddc810c6123c912b55da1a297e147e834547d1af4938fc139e71958f7; + localparam [383:0] PZ_3 = 384'hfbcfa387106d61d1e1e5f660206189f13e0861b3eb2e880b200cae1878b8b47bd5b727b2825a5f395025bf42a571093b; + + localparam [383:0] RX_3 = 384'hf94e9fb67d6bac22276bb4fb4f965419f1907078236dd8520ff416e8525933055795c496d344a2e1cce480557dde88f4; + localparam [383:0] RY_3 = 384'h3feb5bc25c380ead1a149ab2f5e3ac4cfeaa5d91bd66dda0f29d6e02520ea8583bb3ab744fb826c18981f7bac03a0886; + localparam [383:0] RZ_3 = 384'hbc364ce11866cdeb1abdbc34b633e54fbb000090134600cb6dbff71f69e3d24843e40af30c07444530b53acb89eef49b;
+
+
+ localparam [383:0] PX_4 = 384'hxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx; + localparam [383:0] PY_4 = 384'hxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx; + localparam [383:0] PZ_4 = 384'h000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000; + + localparam [383:0] RX_4 = 384'haa87ca22be8b05378eb1c71ef320ad746e1d3b628ba79b9859f741e082542a385502f25dbf55296c3a545e3872760ab7; // G.x + localparam [383:0] RY_4 = 384'h3617de4a96262c6f5d9e98bf9292dc29f8f41dbd289a147ce9da3113b5f0b8c00a60b1ce1d7e819d7a431d7c90ea0e5f; // G.y + localparam [383:0] RZ_4 = 384'h000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001;
+
+
+ localparam [383:0] PX_5 = 384'haa87ca22be8b05378eb1c71ef320ad746e1d3b628ba79b9859f741e082542a385502f25dbf55296c3a545e3872760ab7; // G.x + localparam [383:0] PY_5 = 384'h3617de4a96262c6f5d9e98bf9292dc29f8f41dbd289a147ce9da3113b5f0b8c00a60b1ce1d7e819d7a431d7c90ea0e5f; // G.y + localparam [383:0] PZ_5 = 384'h000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001; + + localparam [383:0] RX_5 = 384'haaf06bba82e9f590e29c71c219bea51723c5893ae8b0c8cf4c117c3efb57ab8d55fa1b428155ad278b5743911b13ea8a; // H.x + localparam [383:0] RY_5 = 384'hc9e821b569d9d390a26167406d6d23d6070be242d765eb831625ceec4a0f473ef59f4e30e2817e6285bce2846f15f19d; // H.y + localparam [383:0] RZ_5 = 384'h000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001;
+
+
+ localparam [383:0] PX_6 = 384'haa87ca22be8b05378eb1c71ef320ad746e1d3b628ba79b9859f741e082542a385502f25dbf55296c3a545e3872760ab7; // G.x + localparam [383:0] PY_6 = 384'h3617de4a96262c6f5d9e98bf9292dc29f8f41dbd289a147ce9da3113b5f0b8c00a60b1ce1d7e819d7a431d7c90ea0e5f; // G.y + localparam [383:0] PZ_6 = 384'h000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001; + + localparam [383:0] RX_6 = 384'h000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001; // + localparam [383:0] RY_6 = 384'h000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001; // O + localparam [383:0] RZ_6 = 384'h000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000; //
+
+
+ localparam [383:0] Q = 384'hfffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffeffffffff0000000000000000ffffffff;
+
+
+ // + // Core Parameters + // + localparam WORD_COUNTER_WIDTH = 4; + localparam OPERAND_NUM_WORDS = 12;
+ + + // + // 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] add_uop_addr; + wire [19: 0] add_uop;
+
+ uop_add_rom add_rom + ( + .clk (clk), + .addr (add_uop_addr), + .data (add_uop) + );
+ + // + // UUT + // + curve_dbl_add_384 uut + ( + .clk (clk), + .rst_n (rst_n), + + .ena (ena), + .rdy (rdy),
+ + .uop_addr (add_uop_addr), + .uop (add_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_adder(PX_1, PY_1, PZ_1, RX_1, RY_1, RZ_1); + test_curve_adder(PX_2, PY_2, PZ_2, RX_2, RY_2, RZ_2);
+ test_curve_adder(PX_3, PY_3, PZ_3, RX_3, RY_3, RZ_3);
+ test_curve_adder(PX_4, PY_4, PZ_4, RX_4, RY_4, RZ_4);
+ test_curve_adder(PX_5, PY_5, PZ_5, RX_5, RY_5, RZ_5);
+ test_curve_adder(PX_6, Q - PY_6, PZ_6, RX_6, RY_6, RZ_6); + + /* print result */ + if (ok) $display("tb_curve_adder_384: SUCCESS"); + else $display("tb_curve_adder_384: FAILURE"); + // + $finish; + // + end + + + // + // Test Task + // + reg t_ok;
+
+ integer w;
+ + task test_curve_adder; + + input [383:0] px; + input [383:0] py; + input [383:0] pz;
+
+ input [383:0] rx; + input [383:0] ry; + input [383:0] rz; +
+ reg [383:0] px_shreg;
+ reg [383:0] py_shreg;
+ reg [383:0] pz_shreg;
+
+ reg [383:0] rx_shreg;
+ reg [383:0] ry_shreg;
+ reg [383:0] rz_shreg;
+
+ reg [383:0] 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[383:32]}; + py_shreg = {{32{1'bX}}, py_shreg[383:32]}; + pz_shreg = {{32{1'bX}}, pz_shreg[383:32]};
+ q_shreg = {{32{1'bX}}, q_shreg[383:32]}; + + /* 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[383:32]};
+ ry_shreg = {tb_ry_data, ry_shreg[383:32]};
+ rz_shreg = {tb_rz_data, rz_shreg[383:32]}; + + end
+ + /* compare */ + t_ok = (rx_shreg == rx) &&
+ (ry_shreg == ry) &&
+ (rz_shreg == rz); + + /* display results */ + $display("test_curve_adder(): %s", t_ok ? "OK" : "ERROR"); + + /* update global flag */ + ok = ok && t_ok; + + end + + endtask
+ +endmodule +
+ +//------------------------------------------------------------------------------ +// End-of-File +//------------------------------------------------------------------------------ diff --git a/bench/tb_curve_doubler_384.v b/bench/tb_curve_doubler_384.v new file mode 100644 index 0000000..30ef7ba --- /dev/null +++ b/bench/tb_curve_doubler_384.v @@ -0,0 +1,413 @@ +//------------------------------------------------------------------------------ +// +// tb_curve_doubler_384.v +// ----------------------------------------------------------------------------- +// Testbench for 384-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_384; + + + // + // Test Vectors + // + localparam [383:0] PX_1 = 384'haa87ca22be8b05378eb1c71ef320ad746e1d3b628ba79b9859f741e082542a385502f25dbf55296c3a545e3872760ab7; + localparam [383:0] PY_1 = 384'h3617de4a96262c6f5d9e98bf9292dc29f8f41dbd289a147ce9da3113b5f0b8c00a60b1ce1d7e819d7a431d7c90ea0e5f; + localparam [383:0] PZ_1 = 384'h000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001;
+
+ localparam [383:0] RX_1 = 384'he50dbe0981ef5f4f52eebd29e34e6d18d279318fe6b5d5616c54c93ea906c671b223d61ab7ba23cd59ab4f6ec5e40b94; + localparam [383:0] RY_1 = 384'h5b939b5a52ac7ebed90b8c1a809fb3a5c068b421b9e0a16208c2e53b1fe41e8373333e360ad2205e9dd63d29f1e0757a; + localparam [383:0] RZ_1 = 384'h6c2fbc952c4c58debb3d317f2525b853f1e83b7a513428f9d3b462276be1718014c1639c3afd033af4863af921d41cbe;
+
+
+ localparam [383:0] PX_2 = 384'heea14dc6c53e682b16c979fcbf2b39c0f5c43efa5b412f3e9bec8251a5ff9e243f46c6ba91a1604abdd5028b56e60334; + localparam [383:0] PY_2 = 384'h7ff6e6e9ed8da4aea5baa06d3a9583b6a3f206e935566659cd2025202a9e2a62e0c44e603f3a4304bfa974470f53f646; + localparam [383:0] PZ_2 = 384'hcb16156bf82550274e39900f2ed4359794160a166257ae2c71c6503c129b6ce92f31277387aa1c538e7702e3658a883d;
+
+ localparam [383:0] RX_2 = 384'h9455050d6d00285ae2cd25c95372b30d321fb31899f7b0e6f3b4dd557d3465edbc500cc403b076c7534a07a48d87824d; + localparam [383:0] RY_2 = 384'hd0cc7a7eb6fbe9cd962efa82f89b701fbd1f8a3579066feda96c9124ee3ef2764d923a2c0039e06865442dbf3ed460ae; + localparam [383:0] RZ_2 = 384'h473d297a1e5ed8b7afd51a27d5d933ab4555414ef75e1104c1fb56ba9b110f5d0d63a79e8e12edc4432c37663cc828f2;
+
+
+ localparam [383:0] PX_3 = 384'h4af343df7a804f6b345562a471c4cea419f5e87086eaba95b7a7fa43aeb24a357d22047eea55c529fcdfb44ea80d3aab; + localparam [383:0] PY_3 = 384'hfa3e2ceb637c90fde564039da3e256456a8d0995c2f69846bf3e22f2f0760a2df00f2df2f79ce2484ed5b26124d733f1; + localparam [383:0] PZ_3 = 384'hdf144e3659137591d09ba17e7045f74c477e4f27e0f6c602f11306def2abeae08aee53fa40e3ca3b3ca52f9eaae47720;
+
+ localparam [383:0] RX_3 = 384'h9e2aad0ad19c585e03af779d1205a3a98bf7d367c0c829f741161983dc0d24d222d5d9c2ae39399ff40d4974df22ce4d; + localparam [383:0] RY_3 = 384'he0e40da86ae320396c813bb891f31f3d59be8c4957c602b56b5aa976e47d128127625b1ce7470fa33ed9e57eca5a268d; + localparam [383:0] RZ_3 = 384'h836e9d9117ba665abbee7063599a8631cd42f685a8bc29b05895c2928c19f640a065cfd2cc5b0d607ea52e388be513cf;
+
+
+ localparam [383:0] PX_4 = 384'hxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx; + localparam [383:0] PY_4 = 384'hxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx; + localparam [383:0] PZ_4 = 384'h000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000;
+
+ localparam [383:0] RX_4 = 384'h000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001; + localparam [383:0] RY_4 = 384'h000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001; + localparam [383:0] RZ_4 = 384'h000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000;
+
+
+ localparam [383:0] Q = 384'hfffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffeffffffff0000000000000000ffffffff;
+ +
+
+ //
+ // TODO: Test special cases!
+ //
+
+
+ // + // Core Parameters + // + localparam WORD_COUNTER_WIDTH = 4; + localparam OPERAND_NUM_WORDS = 12;
+ + + // + // 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_384 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_384: SUCCESS"); + else $display("tb_curve_doubler_384: FAILURE"); + // +// $finish; + // + end + + + // + // Test Task + // + reg t_ok;
+
+ integer w;
+ + task test_curve_doubler; + + input [383:0] px; + input [383:0] py; + input [383:0] pz;
+
+ input [383:0] rx; + input [383:0] ry; + input [383:0] rz; +
+ reg [383:0] px_shreg;
+ reg [383:0] py_shreg;
+ reg [383:0] pz_shreg;
+
+ reg [383:0] rx_shreg;
+ reg [383:0] ry_shreg;
+ reg [383:0] rz_shreg;
+
+ reg [383:0] 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[383:32]}; + py_shreg = {{32{1'bX}}, py_shreg[383:32]}; + pz_shreg = {{32{1'bX}}, pz_shreg[383:32]};
+ q_shreg = {{32{1'bX}}, q_shreg[383:32]}; + + /* 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[383:32]};
+ ry_shreg = {tb_ry_data, ry_shreg[383:32]};
+ rz_shreg = {tb_rz_data, rz_shreg[383:32]}; + + 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 +//------------------------------------------------------------------------------ diff --git a/bench/tb_curve_multiplier_384.v b/bench/tb_curve_multiplier_384.v new file mode 100644 index 0000000..c740f1f --- /dev/null +++ b/bench/tb_curve_multiplier_384.v @@ -0,0 +1,281 @@ +//------------------------------------------------------------------------------ +// +// tb_curve_multiplier_384.v +// ----------------------------------------------------------------------------- +// Testbench for 384-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_384; + + + // + // Test Vectors + // + localparam [383:0] K_1 = 384'hc838b85253ef8dc7394fa5808a5183981c7deef5a69ba8f4f2117ffea39cfcd90e95f6cbc854abacab701d50c1f3cf24; + localparam [383:0] PX_1 = 384'h1fbac8eebd0cbf35640b39efe0808dd774debff20a2a329e91713baf7d7f3c3e81546d883730bee7e48678f857b02ca0; + localparam [383:0] PY_1 = 384'heb213103bd68ce343365a8a4c3d4555fa385f5330203bdd76ffad1f3affb95751c132007e1b240353cb0a4cf1693bdf9;
+
+ localparam [383:0] K_2 = 384'hdc6b44036989a196e39d1cdac000812f4bdd8b2db41bb33af51372585ebd1db63f0ce8275aa1fd45e2d2a735f8749359; + localparam [383:0] PX_2 = 384'ha0c27ec893092dea1e1bd2ccfed3cf945c8134ed0c9f81311a0f4a05942db8dbed8dd59f267471d5462aa14fe72de856; + localparam [383:0] PY_2 = 384'h855649409815bb91424eaca5fd76c97375d575d1422ec53d343bd33b847fdf0c11569685b528ab25493015428d7cf72b; +
+ localparam [383:0] K_3 = 384'hffffffffffffffffffffffffffffffffffffffffffffffffc7634d81f4372ddf581a0db248b0a77aecec196accc52973; + localparam [383:0] PX_3 = 384'h000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000; + localparam [383:0] PY_3 = 384'h000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000; +
+
+ // + // Core Parameters + // + localparam WORD_COUNTER_WIDTH = 4; + localparam OPERAND_NUM_WORDS = 12;
+ + + // + // 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_384 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_384: SUCCESS"); + else $display("tb_curve_multiplier_384: FAILURE"); + // + //$finish; + // + end + + + // + // Test Task + // + reg p_ok;
+
+ integer w;
+ + task test_curve_multiplier; + + input [383:0] k; + input [383:0] px; + input [383:0] py;
+
+ reg [383:0] k_shreg;
+ reg [383:0] px_shreg;
+ reg [383:0] 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[383:32]}; + + /* 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[383:32]};
+ py_shreg = {tb_py_data, py_shreg[383:32]};
+ + 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 +//------------------------------------------------------------------------------ diff --git a/bench/tb_modular_multiplier_384.v b/bench/tb_modular_multiplier_384.v new file mode 100644 index 0000000..13ffe5e --- /dev/null +++ b/bench/tb_modular_multiplier_384.v @@ -0,0 +1,366 @@ +//------------------------------------------------------------------------------ +// +// tb_modular_multiplier_384.v +// ----------------------------------------------------------------------------- +// Testbench for modular multi-word multiplier. +// +// Authors: Pavel Shatov +// +// Copyright (c) 2015-2016, 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_modular_multiplier_384;
+
+
+ //
+ // Test Vectors
+ //
+ localparam [383:0] N = 384'hfffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffeffffffff0000000000000000ffffffff;
+
+ localparam [383:0] X_1 = 384'haa87ca22be8b05378eb1c71ef320ad746e1d3b628ba79b9859f741e082542a385502f25dbf55296c3a545e3872760ab7;
+ localparam [383:0] Y_1 = 384'h3617de4a96262c6f5d9e98bf9292dc29f8f41dbd289a147ce9da3113b5f0b8c00a60b1ce1d7e819d7a431d7c90ea0e5f;
+ localparam [383:0] P_1 = 384'h332e559389c970313cb29c4b55af5783821971a99c250daf84dc5d3cc441cb0a482e90de9d3ccd96b3c8c48b2ad3f025;
+
+ localparam [383:0] X_2 = 384'haaf06bba82e9f590e29c71c219bea51723c5893ae8b0c8cf4c117c3efb57ab8d55fa1b428155ad278b5743911b13ea8a;
+ localparam [383:0] Y_2 = 384'hc9e821b569d9d390a26167406d6d23d6070be242d765eb831625ceec4a0f473ef59f4e30e2817e6285bce2846f15f19d;
+ localparam [383:0] P_2 = 384'haa1a9db70fba0a4c034777cdcd93e8bd6e9afa1171d43bdea0a16c32da20e7ebccb2fac9676f9d67a31e6f4f69e876e5;
+
+ localparam [383:0] X_3 = 384'h1fbac8eebd0cbf35640b39efe0808dd774debff20a2a329e91713baf7d7f3c3e81546d883730bee7e48678f857b02ca0;
+ localparam [383:0] Y_3 = 384'heb213103bd68ce343365a8a4c3d4555fa385f5330203bdd76ffad1f3affb95751c132007e1b240353cb0a4cf1693bdf9;
+ localparam [383:0] P_3 = 384'h80f70000040a44b05f3752b7d5338f87e409b868f032911bda888451c13097039d66d9e7b0e3e799b9dd613d2524b7af;
+
+ localparam [383:0] X_4 = 384'ha0c27ec893092dea1e1bd2ccfed3cf945c8134ed0c9f81311a0f4a05942db8dbed8dd59f267471d5462aa14fe72de856;
+ localparam [383:0] Y_4 = 384'h855649409815bb91424eaca5fd76c97375d575d1422ec53d343bd33b847fdf0c11569685b528ab25493015428d7cf72b;
+ localparam [383:0] P_4 = 384'h548e8456d5b3c36557a59914af514739a92908e59ddde731b8746891ad26199de955789e7cc34bfe966e3471c2684969;
+
+
+ // + // Core Parameters + // + localparam WORD_COUNTER_WIDTH = 4; + localparam OPERAND_NUM_WORDS = 12;
+
+
+ //
+ // Clock (100 MHz)
+ //
+ reg clk = 1'b0;
+ always #5 clk = ~clk;
+
+
+ //
+ // Inputs, Outputs
+ //
+ reg rst_n;
+ reg ena;
+ wire rdy;
+
+
+ // + // Buffers (X, Y, N, P) + // + wire [WORD_COUNTER_WIDTH-1:0] core_x_addr;
+ wire [WORD_COUNTER_WIDTH-1:0] core_y_addr; + wire [WORD_COUNTER_WIDTH-1:0] core_n_addr; + wire [WORD_COUNTER_WIDTH-1:0] core_p_addr; + + wire core_p_wren; + + wire [ 31:0] core_x_data; + wire [ 31:0] core_y_data; + wire [ 31:0] core_n_data; + wire [ 31:0] core_p_data; + + reg [WORD_COUNTER_WIDTH-1:0] tb_xyn_addr; + reg [WORD_COUNTER_WIDTH-1:0] tb_p_addr;
+ + reg tb_xyn_wren; + + reg [ 31:0] tb_x_data; + reg [ 31:0] tb_y_data; + reg [ 31:0] tb_n_data; + wire [ 31:0] tb_p_data; + + bram_1rw_1ro_readfirst # + ( + .MEM_WIDTH (32), + .MEM_ADDR_BITS (WORD_COUNTER_WIDTH) + ) + bram_x + ( + .clk (clk), + + .a_addr (tb_xyn_addr), + .a_wr (tb_xyn_wren), + .a_in (tb_x_data), + .a_out (), + + .b_addr (core_x_addr), + .b_out (core_x_data) + ); + + bram_1rw_1ro_readfirst # + ( + .MEM_WIDTH (32), + .MEM_ADDR_BITS (WORD_COUNTER_WIDTH) + ) + bram_y + ( + .clk (clk), + + .a_addr (tb_xyn_addr), + .a_wr (tb_xyn_wren), + .a_in (tb_y_data), + .a_out (), + + .b_addr (core_y_addr), + .b_out (core_y_data) + ); + + bram_1rw_1ro_readfirst # + ( + .MEM_WIDTH (32), + .MEM_ADDR_BITS (WORD_COUNTER_WIDTH) + ) + bram_n + ( + .clk (clk), + + .a_addr (tb_xyn_addr), + .a_wr (tb_xyn_wren), + .a_in (tb_n_data), + .a_out (), + + .b_addr (core_n_addr), + .b_out (core_n_data) + ); + + bram_1rw_1ro_readfirst # + ( + .MEM_WIDTH (32), + .MEM_ADDR_BITS (WORD_COUNTER_WIDTH) + ) + bram_s + ( + .clk (clk), + + .a_addr (core_p_addr), + .a_wr (core_p_wren), + .a_in (core_p_data), + .a_out (), + + .b_addr (tb_p_addr), + .b_out (tb_p_data) + );
+
+
+ //
+ // UUT
+ //
+ modular_multiplier_384 uut
+ (
+ .clk (clk),
+ .rst_n (rst_n),
+
+ .ena (ena),
+ .rdy (rdy),
+
+ .a_addr (core_x_addr),
+ .b_addr (core_y_addr),
+ .n_addr (core_n_addr),
+ .p_addr (core_p_addr),
+ .p_wren (core_p_wren),
+
+ .a_din (core_x_data),
+ .b_din (core_y_data),
+ .n_din (core_n_data),
+ .p_dout (core_p_data)
+ );
+
+
+ //
+ // Testbench Routine
+ //
+ reg ok = 1;
+ initial begin
+
+ /* initialize control inputs */
+ rst_n = 0;
+ ena = 0;
+
+ tb_xyn_wren = 0;
+
+ /* wait for some time */
+ #200;
+
+ /* de-assert reset */
+ rst_n = 1;
+
+ /* wait for some time */
+ #100;
+
+ /* run tests */
+ test_modular_multiplier_384(X_1, Y_1, N, P_1);
+ test_modular_multiplier_384(X_2, Y_2, N, P_2);
+ test_modular_multiplier_384(X_3, Y_3, N, P_3);
+ test_modular_multiplier_384(X_4, Y_4, N, P_4);
+
+ /* print result */
+ if (ok) $display("tb_modular_multiplier_384: SUCCESS"); + else $display("tb_modular_multiplier_384: FAILURE"); + // + //$finish; + //
+ end
+
+
+ //
+ // Test Task
+ //
+ reg [383:0] p;
+ reg p_ok;
+
+ integer w;
+
+ reg [767:0] pp_full;
+ reg [383:0] pp_ref;
+
+ task test_modular_multiplier_384;
+
+ input [383:0] x;
+ input [383:0] y;
+ input [383:0] n;
+ input [383:0] pp;
+
+ reg [383:0] x_shreg; + reg [383:0] y_shreg; + reg [383:0] n_shreg; + reg [383:0] p_shreg;
+
+ begin
+
+ /* start filling memories */ + tb_xyn_wren = 1; + + /* initialize shift registers */ + x_shreg = x; + y_shreg = y; + n_shreg = n; + + /* write all the words */ + for (w=0; w<OPERAND_NUM_WORDS; w=w+1) begin + + /* set addresses */ + tb_xyn_addr = w[WORD_COUNTER_WIDTH-1:0]; + + /* set data words */ + tb_x_data = x_shreg[31:0]; + tb_y_data = y_shreg[31:0]; + tb_n_data = n_shreg[31:0]; + + /* shift inputs */ + x_shreg = {{32{1'bX}}, x_shreg[383:32]}; + y_shreg = {{32{1'bX}}, y_shreg[383:32]}; + n_shreg = {{32{1'bX}}, n_shreg[383:32]}; + + /* wait for 1 clock tick */ + #10; + + end + + /* wipe addresses */ + tb_xyn_addr = {WORD_COUNTER_WIDTH{1'bX}}; + + /* wipe data words */ + tb_x_data = {32{1'bX}}; + tb_y_data = {32{1'bX}}; + tb_n_data = {32{1'bX}}; + + /* stop filling memories */ + tb_xyn_wren = 0;
+
+ /* calculate reference value */
+ pp_full = {{384{1'b0}}, x} * {{384{1'b0}}, y};
+ pp_ref = pp_full % {{384{1'b0}}, n};
+
+ /* compare reference value against hard-coded one */
+ if (pp_ref != pp) begin
+ $display("ERROR: pp_ref != pp");
+ $finish;
+ end
+
+ /* 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_p_addr = w[WORD_COUNTER_WIDTH-1:0]; + + /* wait for 1 clock tick */ + #10; + + /* store data word */ + p_shreg = {tb_p_data, p_shreg[383:32]}; + + end
+
+ /* compare */
+ p_ok = (p_shreg == pp);
+
+ /* display results */
+ $display("test_modular_multiplier_384(): %s", p_ok ? "OK" : "ERROR");
+
+ /* update flag */
+ ok = ok && p_ok;
+
+ end
+
+ endtask
+
+
+
+
+endmodule
+
+//------------------------------------------------------------------------------ +// End-of-File +//------------------------------------------------------------------------------
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