Subversion Repositories tiny_tate_bilinear_pairing

/*
 * Copyright 2012, Homer Hsing <homer.hsing@gmail.com>
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
 
`timescale 1ns / 1ps
 
`define P 20 // clock period
 
module test_ram;
 
	// Inputs
	reg clk;
	reg reset;
	reg sel;
	reg [5:0] addr;
	reg w;
	reg [197:0] data;
 
	// Outputs
	wire [197:0] out;
	wire done;
 
	// Instantiate the Unit Under Test (UUT)
	tiny uut (
		.clk(clk), 
		.reset(reset), 
		.sel(sel), 
		.addr(addr), 
		.w(w), 
		.data(data), 
		.out(out), 
		.done(done)
	);
 
	initial begin
		// Initialize Inputs
		clk = 0;
		reset = 0;
		sel = 0;
		addr = 0;
		w = 0;
		data = 0;
 
		// Wait 100 ns for global reset to finish
		#100;
 
		// Add stimulus here
        @ (negedge clk);
 
        // write
        sel = 1; w = 1;
        data = 198'h115a25886512165251569195908560596a6695612620504191;
        addr = 0;
        #(`P);
        data = 198'h1559546442405a181195655549614540592955a15a26984015;
        addr = 3;
        #(`P);
        // not write
        w = 0;
        data = 198'h12222222222222222222222222222222222222222222222222;
        addr = 3;
        #(`P);
 
        // read
        sel = 1; w = 0;
        addr = 0;
        #(`P);
        if (out !== 198'h115a25886512165251569195908560596a6695612620504191)
            $display("E");
 
        addr = 3;
        #(`P);
        if (out !== 198'h1559546442405a181195655549614540592955a15a26984015)
            $display("E");
 
        #(`P);
 
        $display("Good");
        $finish;
	end
 
    initial #100 forever #(`P/2) clk = ~clk;
endmodule