net_modulo.cc

   1 /*
   2  * Copyright (c) 2000-2005 Stephen Williams (steve@icarus.com)
   3  *
   4  *    This source code is free software; you can redistribute it
   5  *    and/or modify it in source code form under the terms of the GNU
   6  *    General Public License as published by the Free Software
   7  *    Foundation; either version 2 of the License, or (at your option)
   8  *    any later version.
   9  *
  10  *    This program is distributed in the hope that it will be useful,
  11  *    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  *    GNU General Public License for more details.
  14  *
  15  *    You should have received a copy of the GNU General Public License
  16  *    along with this program; if not, write to the Free Software
  17  *    Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
  18  */
  19 #ifdef HAVE_CVS_IDENT
  20 #ident "$Id: net_modulo.cc,v 1.9 2005/09/15 22:54:47 steve Exp $"
  21 #endif
  22
  23 # include "config.h"
  24
  25 # include  <typeinfo>
  26 # include  <iostream>
  27 # include  <iomanip>
  28 # include  <cassert>
  29
  30 # include  "netlist.h"
  31 # include  "compiler.h"
  32
  33 /*
  34  *  0 -- Result
  35  *  1 -- DataA
  36  *  2 -- DataB
  37  */
  38 NetModulo::NetModulo(NetScope*s, perm_string n, unsigned wr,
  39                      unsigned wa, unsigned wb)
  40 : NetNode(s, n, 3),
  41   width_r_(wr), width_a_(wa), width_b_(wb)
  42 {
  43       pin(0).set_dir(Link::OUTPUT);
  44       pin(0).set_name(perm_string::literal("Result"), 0);
  45       pin(1).set_dir(Link::INPUT);
  46       pin(1).set_name(perm_string::literal("DataA"), 0);
  47       pin(2).set_dir(Link::INPUT);
  48       pin(2).set_name(perm_string::literal("DataB"), 0);
  49 }
  50
  51 NetModulo::~NetModulo()
  52 {
  53 }
  54
  55 unsigned NetModulo::width_r() const
  56 {
  57       return width_r_;
  58 }
  59
  60 unsigned NetModulo::width_a() const
  61 {
  62       return width_a_;
  63 }
  64
  65 unsigned NetModulo::width_b() const
  66 {
  67       return width_b_;
  68 }
  69
  70 Link& NetModulo::pin_Result()
  71 {
  72       return pin(0);
  73 }
  74
  75 const Link& NetModulo::pin_Result() const
  76 {
  77       return pin(0);
  78 }
  79
  80 Link& NetModulo::pin_DataA()
  81 {
  82       return pin(1);
  83 }
  84
  85 const Link& NetModulo::pin_DataA() const
  86 {
  87       return pin(1);
  88 }
  89
  90 Link& NetModulo::pin_DataB()
  91 {
  92       return pin(2);
  93 }
  94
  95 const Link& NetModulo::pin_DataB() const
  96 {
  97       return pin(2);
  98 }
  99
 100 /*
 101  * $Log: net_modulo.cc,v $
 102  * Revision 1.9  2005/09/15 22:54:47  steve
 103  *  Fix bug configuring NetModulo pins.
 104  *
 105  * Revision 1.8  2005/03/12 06:43:35  steve
 106  *  Update support for LPM_MOD.
 107  *
 108  * Revision 1.7  2004/02/18 17:11:56  steve
 109  *  Use perm_strings for named langiage items.
 110  *
 111  * Revision 1.6  2003/03/06 00:28:41  steve
 112  *  All NetObj objects have lex_string base names.
 113  *
 114  * Revision 1.5  2002/08/12 01:34:59  steve
 115  *  conditional ident string using autoconfig.
 116  *
 117  * Revision 1.4  2002/08/11 23:47:04  steve
 118  *  Add missing Log and Ident strings.
 119  *
 120  */