design/sys/iop/niu/rtl/niu_gnt_encoder.v

// ========== Copyright Header Begin ==========================================
//
// OpenSPARC T2 Processor File: niu_gnt_encoder.v
// Copyright (C) 1995-2007 Sun Microsystems, Inc. All Rights Reserved
// 4150 Network Circle, Santa Clara, California 95054, U.S.A.
//
// * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; version 2 of the License.
//
// This program 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, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
//
// For the avoidance of doubt, and except that if any non-GPL license
// choice is available it will apply instead, Sun elects to use only
// the General Public License version 2 (GPLv2) at this time for any
// software where a choice of GPL license versions is made
// available with the language indicating that GPLv2 or any later version
// may be used, or where a choice of which version of the GPL is applied is
// otherwise unspecified.
//
// Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
// CA 95054 USA or visit www.sun.com if you need additional information or
// have any questions.
//
// ========== Copyright Header End ============================================

/* This file is genetated from encoder.c */
module niu_gnt_encoder (gnt,gnt_num);
input  [63:0]  gnt;
output [5:0]    gnt_num;


reg    [5:0]    gnt_num;

 always @ (gnt)
   casex(gnt[63:0])
 /* ----------------------------------------- */
     64'h1: gnt_num[5:0] = 6'd0;
     64'h2: gnt_num[5:0] = 6'd1;
     64'h4: gnt_num[5:0] = 6'd2;
     64'h8: gnt_num[5:0] = 6'd3;
     64'h10: gnt_num[5:0] = 6'd4;
     64'h20: gnt_num[5:0] = 6'd5;
     64'h40: gnt_num[5:0] = 6'd6;
     64'h80: gnt_num[5:0] = 6'd7;
     64'h100: gnt_num[5:0] = 6'd8;
     64'h200: gnt_num[5:0] = 6'd9;
     64'h400: gnt_num[5:0] = 6'd10;
     64'h800: gnt_num[5:0] = 6'd11;
     64'h1000: gnt_num[5:0] = 6'd12;
     64'h2000: gnt_num[5:0] = 6'd13;
     64'h4000: gnt_num[5:0] = 6'd14;
     64'h8000: gnt_num[5:0] = 6'd15;
     64'h10000: gnt_num[5:0] = 6'd16;
     64'h20000: gnt_num[5:0] = 6'd17;
     64'h40000: gnt_num[5:0] = 6'd18;
     64'h80000: gnt_num[5:0] = 6'd19;
     64'h100000: gnt_num[5:0] = 6'd20;
     64'h200000: gnt_num[5:0] = 6'd21;
     64'h400000: gnt_num[5:0] = 6'd22;
     64'h800000: gnt_num[5:0] = 6'd23;
     64'h1000000: gnt_num[5:0] = 6'd24;
     64'h2000000: gnt_num[5:0] = 6'd25;
     64'h4000000: gnt_num[5:0] = 6'd26;
     64'h8000000: gnt_num[5:0] = 6'd27;
     64'h10000000: gnt_num[5:0] = 6'd28;
     64'h20000000: gnt_num[5:0] = 6'd29;
     64'h40000000: gnt_num[5:0] = 6'd30;
     64'h80000000: gnt_num[5:0] = 6'd31;
 /* ----------------------------------------- */
     64'h1_00000000: gnt_num[5:0] = 6'd32;
     64'h2_00000000: gnt_num[5:0] = 6'd33;
     64'h4_00000000: gnt_num[5:0] = 6'd34;
     64'h8_00000000: gnt_num[5:0] = 6'd35;
     64'h10_00000000: gnt_num[5:0] = 6'd36;
     64'h20_00000000: gnt_num[5:0] = 6'd37;
     64'h40_00000000: gnt_num[5:0] = 6'd38;
     64'h80_00000000: gnt_num[5:0] = 6'd39;
     64'h100_00000000: gnt_num[5:0] = 6'd40;
     64'h200_00000000: gnt_num[5:0] = 6'd41;
     64'h400_00000000: gnt_num[5:0] = 6'd42;
     64'h800_00000000: gnt_num[5:0] = 6'd43;
     64'h1000_00000000: gnt_num[5:0] = 6'd44;
     64'h2000_00000000: gnt_num[5:0] = 6'd45;
     64'h4000_00000000: gnt_num[5:0] = 6'd46;
     64'h8000_00000000: gnt_num[5:0] = 6'd47;
     64'h10000_00000000: gnt_num[5:0] = 6'd48;
     64'h20000_00000000: gnt_num[5:0] = 6'd49;
     64'h40000_00000000: gnt_num[5:0] = 6'd50;
     64'h80000_00000000: gnt_num[5:0] = 6'd51;
     64'h100000_00000000: gnt_num[5:0] = 6'd52;
     64'h200000_00000000: gnt_num[5:0] = 6'd53;
     64'h400000_00000000: gnt_num[5:0] = 6'd54;
     64'h800000_00000000: gnt_num[5:0] = 6'd55;
     64'h1000000_00000000: gnt_num[5:0] = 6'd56;
     64'h2000000_00000000: gnt_num[5:0] = 6'd57;
     64'h4000000_00000000: gnt_num[5:0] = 6'd58;
     64'h8000000_00000000: gnt_num[5:0] = 6'd59;
     64'h10000000_00000000: gnt_num[5:0] = 6'd60;
     64'h20000000_00000000: gnt_num[5:0] = 6'd61;
     64'h40000000_00000000: gnt_num[5:0] = 6'd62;
     64'h80000000_00000000: gnt_num[5:0] = 6'd63;
     default: gnt_num[5:0] = 6'd0;
   endcase


endmodule // niu_gnt_encoder