URL
https://opencores.org/ocsvn/thor/thor/trunk
Subversion Repositories thor
[/] [thor/] [trunk/] [FT64/] [rtl/] [fpUnit/] [bench/] [fpMul_tb.v] - Rev 45
Go to most recent revision | Compare with Previous | Blame | View Log
`timescale 1ns / 1ps // ============================================================================ // __ // \\__/ o\ (C) 2006-2018 Robert Finch, Waterloo // \ __ / All rights reserved. // \/_// robfinch<remove>@finitron.ca // || // // fpMul_tb.v // - floating point multiplier test bench // // This source file is free software: you can redistribute it and/or modify // it under the terms of the GNU Lesser General Public License as published // by the Free Software Foundation, either version 3 of the License, or // (at your option) any later version. // // This source file is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // // You should have received a copy of the GNU General Public License // along with this program. If not, see <http://www.gnu.org/licenses/>. // // Floating Point Multiplier / Divider // // This multiplier/divider handles denormalized numbers. // The output format is of an internal expanded representation // in preparation to be fed into a normalization unit, then // rounding. Basically, it's the same as the regular format // except the mantissa is doubled in size, the leading two // bits of which are assumed to be whole bits. // // // ============================================================================ module fpMul_tb(); reg rst; reg clk; reg [12:0] adr; reg [95:0] mem [0:8191]; reg [95:0] memo [0:9000]; reg [191:0] memd [0:8191]; reg [191:0] memdo [0:9000]; reg [31:0] a,b; wire [31:0] a5,b5; wire [31:0] o; reg [63:0] ad,bd; wire [63:0] ad5,bd5; wire [63:0] od; initial begin rst = 1'b0; clk = 1'b0; adr = 0; $readmemh("c:/cores5/ft64/trunk/rtl/fpUnit/fpMul_tv.txt", mem); $readmemh("c:/cores5/ft64/trunk/rtl/fpUnit/fpMul_tvd.txt", memd); #20 rst = 1; #50 rst = 0; end always #5 clk = ~clk; delay5 #(32) u2 (clk, 1'b1, a, a5); delay5 #(32) u3 (clk, 1'b1, b, b5); delay5 #(64) u4 (clk, 1'b1, ad, ad5); delay5 #(64) u5 (clk, 1'b1, bd, bd5); always @(posedge clk) if (rst) adr = 0; else begin adr <= adr + 1; a <= mem[adr][31: 0]; b <= mem[adr][63:32]; ad <= memd[adr][63: 0]; bd <= memd[adr][127:64]; if (adr > 5) begin memo[adr-6] <= {o,b5,a5}; memdo[adr-6] <= {od,bd5,ad5}; end if (adr==8191) begin $writememh("c:/cores5/ft64/trunk/rtl/fpUnit/fpMul_tvo.txt", memo); $writememh("c:/cores5/ft64/trunk/rtl/fpUnit/fpMul_tvdo.txt", memdo); $finish; end end fpMulnr #(32) u1 (clk, 1'b1, a, b, o, 3'b000);//, sign_exe, inf, overflow, underflow); fpMulnr #(64) u6 (clk, 1'b1, ad, bd, od, 3'b000);//, sign_exe, inf, overflow, underflow); endmodule
Go to most recent revision | Compare with Previous | Blame | View Log