libveriuser/getlongp.c

   1 /* vi:sw=6
   2  * Copyright (c) 2002 Michael Ruff (mruff at chiaro.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: getlongp.c,v 1.3 2003/03/15 05:42:39 steve Exp $"
  21 #endif
  22
  23 #include  <stdlib.h>
  24 #include  <string.h>
  25 #include  <assert.h>
  26 #include  <veriuser.h>
  27 #include  <vpi_user.h>
  28
  29 /*
  30  * tf_getlongp implemented using VPI interface
  31  */
  32 int tf_getlongp(int *highvalue, int n)
  33 {
  34       vpiHandle sys_h, sys_i, arg_h = 0;
  35       s_vpi_value value;
  36       int len, rtn;
  37       char *str, **end = 0;
  38
  39       assert(highvalue);
  40       assert(n > 0);
  41
  42       /* get task/func handle */
  43       sys_h = vpi_handle(vpiSysTfCall, 0);
  44       sys_i = vpi_iterate(vpiArgument, sys_h);
  45
  46       /* find nth arg */
  47       while (n > 0) {
  48             if (!(arg_h = vpi_scan(sys_i))) assert(0);
  49             n--;
  50       }
  51
  52       /* get the value */
  53       value.format = vpiHexStrVal;
  54       vpi_get_value(arg_h, &value);
  55
  56       /* convert string to int(s) */
  57       len = strlen(value.value.str);
  58       if (len > 8) {
  59             /* low word */
  60             str = value.value.str + (len - 8);
  61             rtn = (int) strtoul(str, end, 16);
  62             /* high word */
  63             *str = '\0';
  64             *highvalue = (int) strtoul(value.value.str, end, 16);
  65       } else  {
  66             *highvalue = 0;
  67             rtn = (int) strtoul(value.value.str, end, 16);
  68       }
  69
  70       vpi_free_object(sys_i);
  71
  72       return rtn;
  73 }
  74
  75 /*
  76  * $Log: getlongp.c,v $
  77  * Revision 1.3  2003/03/15 05:42:39  steve
  78  *  free argument iterators.
  79  *
  80  * Revision 1.2  2002/08/12 01:35:02  steve
  81  *  conditional ident string using autoconfig.
  82  *
  83  * Revision 1.1  2002/06/07 02:58:59  steve
  84  *  Add a bunch of acc/tf functions. (mruff)
  85  *
  86  */