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[/] [amber/] [trunk/] [hw/] [vlog/] [system/] [system_functions.vh] - Blame information for rev 82

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1 35 csantifort
//////////////////////////////////////////////////////////////////
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//                                                              //
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//  Functions for Amber 2 System                                //
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//                                                              //
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//  This file is part of the Amber project                      //
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//  http://www.opencores.org/project,amber                      //
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//                                                              //
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//  Description                                                 //
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//  Functions used in more than one module                      //
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//                                                              //
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//  Author(s):                                                  //
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//      - Conor Santifort, csantifort.amber@gmail.com           //
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//                                                              //
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//////////////////////////////////////////////////////////////////
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//                                                              //
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// Copyright (C) 2010 Authors and OPENCORES.ORG                 //
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//                                                              //
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// This source file may be used and distributed without         //
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// restriction provided that this copyright statement is not    //
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// removed from the file and that any derivative work contains  //
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// the original copyright notice and the associated disclaimer. //
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//                                                              //
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// This source file is free software; you can redistribute it   //
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// and/or modify it under the terms of the GNU Lesser General   //
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// Public License as published by the Free Software Foundation; //
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// either version 2.1 of the License, or (at your option) any   //
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// later version.                                               //
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//                                                              //
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// This source is distributed in the hope that it will be       //
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// useful, but WITHOUT ANY WARRANTY; without even the implied   //
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// warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR      //
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// PURPOSE.  See the GNU Lesser General Public License for more //
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// details.                                                     //
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//                                                              //
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// You should have received a copy of the GNU Lesser General    //
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// Public License along with this source; if not, download it   //
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// from http://www.opencores.org/lgpl.shtml                     //
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//                                                              //
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//////////////////////////////////////////////////////////////////
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// ========================================================
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// 32-bit Endian switch
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// ========================================================
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function [31:0] endian_x32;
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input [31:0] data;
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    begin
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    endian_x32 = {data[7:0], data[15:8], data[23:16], data[31:24]};
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    end
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endfunction
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// ========================================================
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// 4-bit Endian switch
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// ========================================================
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function [3:0] endian_x4;
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input [3:0] data;
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    begin
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    endian_x4 = {data[0], data[1], data[2], data[3]};
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    end
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endfunction

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