diff options
author | Rob Austein <sra@hactrn.net> | 2017-03-07 19:52:36 -0500 |
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committer | Rob Austein <sra@hactrn.net> | 2017-03-07 19:52:36 -0500 |
commit | 89f913c3aa2a6dad35630f3882a06b99e0978105 (patch) | |
tree | a8c05b11c926ad72f10a0c4b798ef4b46912e3bf /bench/tb_mw_mover.v | |
parent | 9fa6e368879d30835880b3bb0e87c8cf13dd9874 (diff) |
Promote to a repository in the core tree.
Change name of reset signal from rst_n to reset_n for consistancy with
other Cryptech cores.
Code common between this core and the ecdsa384 core split out into a
separate library repository.
Minor cleanup (Windows-isms, indentation).
Diffstat (limited to 'bench/tb_mw_mover.v')
-rw-r--r-- | bench/tb_mw_mover.v | 464 |
1 files changed, 232 insertions, 232 deletions
diff --git a/bench/tb_mw_mover.v b/bench/tb_mw_mover.v index be767fc..08bdb9e 100644 --- a/bench/tb_mw_mover.v +++ b/bench/tb_mw_mover.v @@ -43,238 +43,238 @@ 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 - - + // + // 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 //------------------------------------------------------------------------------ |