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Diffstat (limited to 'bench/tb_mw_mover.v')
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1 files changed, 0 insertions, 282 deletions
diff --git a/bench/tb_mw_mover.v b/bench/tb_mw_mover.v deleted file mode 100644 index 08bdb9e..0000000 --- a/bench/tb_mw_mover.v +++ /dev/null @@ -1,282 +0,0 @@ -//------------------------------------------------------------------------------ -// -// tb_modular_mover.v -// ----------------------------------------------------------------------------- -// Testbench for multi-word data mover. -// -// 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_mw_mover; - - - // - // Test Vectors - // - localparam [255:0] X_1 = 256'h1ddbd0769df27bab1e234019dad09dccce1e87e2193b417ffa1a3465d7439ecd; - localparam [255:0] X_2 = 256'h1f67cdc34bac91a072945d212f0a03442fc4855788583ecb7b2e375ad3848210; - localparam [255:0] X_3 = 256'hff563f653b1392a6fa6b0295a280f7a904a11e22d8ae468e220301d8ac232fcf; - localparam [255:0] X_4 = 256'hf6f53c4b57b25453b68e923fb118e4f753d74af01fc58476dd15a80933453899; - - - // - // 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 (X, Y) - // - wire [WORD_COUNTER_WIDTH-1:0] core_x_addr; - wire [WORD_COUNTER_WIDTH-1:0] core_y_addr; - wire core_y_wren; - - wire [ 32-1:0] core_x_data; - wire [ 32-1:0] core_y_data; - - reg [WORD_COUNTER_WIDTH-1:0] tb_x_addr; - reg [WORD_COUNTER_WIDTH-1:0] tb_y_addr; - reg tb_x_wren; - - reg [ 32-1:0] tb_x_data; - wire [ 32-1:0] tb_y_data; - - bram_1rw_1ro_readfirst # - ( - .MEM_WIDTH (32), - .MEM_ADDR_BITS (WORD_COUNTER_WIDTH) - ) - bram_x - ( - .clk (clk), - - .a_addr (tb_x_addr), - .a_wr (tb_x_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_d - ( - .clk (clk), - - .a_addr (core_y_addr), - .a_wr (core_y_wren), - .a_in (core_y_data), - .a_out (), - - .b_addr (tb_y_addr), - .b_out (tb_y_data) - ); - - - // - // UUT - // - mw_mover # - ( - .WORD_COUNTER_WIDTH (WORD_COUNTER_WIDTH), - .OPERAND_NUM_WORDS (OPERAND_NUM_WORDS) - ) - uut - ( - .clk (clk), - .rst_n (rst_n), - - .ena (ena), - .rdy (rdy), - - .x_addr (core_x_addr), - .y_addr (core_y_addr), - .y_wren (core_y_wren), - - .x_din (core_x_data), - .y_dout (core_y_data) - ); - - - // - // Testbench Routine - // - reg ok = 1; - initial begin - - /* initialize control inputs */ - rst_n = 0; - ena = 0; - - tb_x_wren = 0; - - /* wait for some time */ - #200; - - /* de-assert reset */ - rst_n = 1; - - /* wait for some time */ - #100; - - /* run tests */ - test_modular_mover(X_1); - test_modular_mover(X_2); - test_modular_mover(X_3); - test_modular_mover(X_4); - - /* print result */ - if (ok) $display("tb_modular_mover: SUCCESS"); - else $display("tb_modular_mover: FAILURE"); - // - $finish; - // - end - - - // - // Test Task - // - reg [255:0] y; - reg y_ok; - - integer w; - - reg [255:0] x_shreg; - reg [255:0] y_shreg; - - task test_modular_mover; - - input [255:0] x; - - begin - - /* start filling memories */ - tb_x_wren = 1; - - /* initialize shift registers */ - x_shreg = x; - - /* write all the words */ - for (w=0; w<OPERAND_NUM_WORDS; w=w+1) begin - - /* set addresses */ - tb_x_addr = w[WORD_COUNTER_WIDTH-1:0]; - - /* set data words */ - tb_x_data = x_shreg[31:0]; - - /* shift inputs */ - x_shreg = {{32{1'bX}}, x_shreg[255:32]}; - - /* wait for 1 clock tick */ - #10; - - end - - /* wipe addresses */ - tb_x_addr = {WORD_COUNTER_WIDTH{1'bX}}; - - /* wipe data words */ - tb_x_data = {32{1'bX}}; - - /* stop filling memories */ - tb_x_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_y_addr = w[WORD_COUNTER_WIDTH-1:0]; - - /* wait for 1 clock tick */ - #10; - - /* store data word */ - y_shreg = {tb_y_data, y_shreg[255:32]}; - - end - - /* compare */ - y_ok = (y_shreg == x); - - /* display results */ - $display("test_modular_mover(): %s", y_ok ? "OK" : "ERROR"); - - /* update global flag */ - ok = ok && y_ok; - - end - - endtask - - -endmodule - -//------------------------------------------------------------------------------ -// End-of-File -//------------------------------------------------------------------------------ |