Subversion Repositories xge_mac

//////////////////////////////////////////////////////////////////////

////                                                              ////

////  File name "utils.v"                                         ////

////                                                              ////

////  This file is part of the "10GE MAC" project                 ////

////  http://www.opencores.org/cores/xge_mac/                     ////

////                                                              ////

////  Author(s):                                                  ////

////      - A. Tanguay (antanguay@opencores.org)                  ////

////                                                              ////

//////////////////////////////////////////////////////////////////////

////                                                              ////

//// Copyright (C) 2008 AUTHORS. All rights reserved.             ////

////                                                              ////

//// This source file may be used and distributed without         ////

//// restriction provided that this copyright statement is not    ////

//// removed from the file and that any derivative work contains  ////

//// the original copyright notice and the associated disclaimer. ////

////                                                              ////

//// 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 2.1 of the License, or (at your option) any   ////

//// later version.                                               ////

////                                                              ////

//// This source 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 Lesser General Public License for more ////

//// details.                                                     ////

////                                                              ////

//// You should have received a copy of the GNU Lesser General    ////

//// Public License along with this source; if not, download it   ////

//// from http://www.opencores.org/lgpl.shtml                     ////

////                                                              ////

//////////////////////////////////////////////////////////////////////

function [63:0] reverse_64b;

  input [63:0]   data;

  integer        i;

    begin

        for (i = 0; i < 64; i = i + 1) begin

            reverse_64b[i] = data[63 - i];

        end

    end

endfunction

function [31:0] reverse_32b;

  input [31:0]   data;

  integer        i;

    begin

        for (i = 0; i < 32; i = i + 1) begin

            reverse_32b[i] = data[31 - i];

        end

    end

endfunction

function [7:0] reverse_8b;

  input [7:0]   data;

  integer        i;

    begin

        for (i = 0; i < 8; i = i + 1) begin

            reverse_8b[i] = data[7 - i];

        end

    end

endfunction