158 lines
3.3 KiB
C
158 lines
3.3 KiB
C
/*
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* net2ir --
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*
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* Given a feedback file produced by the Magic :find command (from
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* the netlist menu) followed by :feed save, giving label locations and
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* layers, and a netlist
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* file, produce a set of irouter commands to route the two-point
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* nets in the order in which they appear in the netlist file.
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*
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* Usage:
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* net2ir feedfile netfile
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*
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* Produces the commands on its standard output.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <ctype.h>
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#include "utils/magic.h"
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#include "utils/geometry.h"
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#include "utils/hash.h"
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#include "utils/malloc.h"
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#include "utils/utils.h"
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#ifndef lint
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static char rcsid[] __attribute__ ((unused)) = "$Header: /usr/cvsroot/magic-8.0/net2ir/net2ir.c,v 1.1.1.1 2008/02/03 20:43:50 tim Exp $";
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#endif /* lint */
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#define INITHASHSIZE 128
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#define LINESIZE 1024
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/*
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* Hash table of all feedback information giving label locations.
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* Keyed by the label name; the contents are a structure giving
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* the label location and its layer.
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*/
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HashTable feedHash;
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typedef struct
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{
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char *li_layer;
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char *li_label;
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Rect li_area;
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} LabInfo;
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int
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main(int argc, char *argv[])
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{
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char line1[LINESIZE], line2[LINESIZE], layer[LINESIZE], label[LINESIZE];
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HashEntry *he;
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LabInfo *li;
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int nterms;
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FILE *fp;
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char *cp;
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Rect r;
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if (argc != 3)
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{
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fprintf(stderr, "Usage: net2ir feedfile netfile\n");
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exit (1);
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}
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/* Process the feedback file, building the hash table of label locs */
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HashInit(&feedHash, INITHASHSIZE, HT_STRINGKEYS);
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fp = fopen(argv[1], "r");
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if (fp == NULL)
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{
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perror(argv[1]);
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exit (1);
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}
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while (fgets(line1, sizeof line1, fp))
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{
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getfirst:
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if (sscanf(line1, "box %d %d %d %d", &r.r_xbot, &r.r_ybot,
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&r.r_xtop, &r.r_ytop) != 4)
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continue;
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if (fgets(line2, sizeof line2, fp) == NULL)
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break;
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if (sscanf(line2, "feedback add \"%[^;];%[^\"]", layer, label) != 2)
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{
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strcpy(line1, line2);
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goto getfirst;
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}
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he = HashFind(&feedHash, label);
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if (HashGetValue(he))
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{
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fprintf(stderr,
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"Warning: multiple locs for label %s; 2nd loc ignored.\n",
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label);
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continue;
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}
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li = (LabInfo *) mallocMagic((unsigned) (sizeof (LabInfo)));
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GEO_EXPAND(&r, -1, &li->li_area);
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li->li_label = StrDup((char **) NULL, label);
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li->li_layer = StrDup((char **) NULL, layer);
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HashSetValue(he, (ClientData) li);
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}
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(void) fclose(fp);
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/* Process the net file */
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fp = fopen(argv[2], "r");
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if (fp == NULL)
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{
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perror(argv[2]);
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exit (1);
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}
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nterms = 0;
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while (fgets(line1, sizeof line1, fp))
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{
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if (isspace(line1[0]) || line1[0] == '\0')
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{
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nterms = 0;
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continue;
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}
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if ((cp = strchr(line1, '\n')))
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*cp = '\0';
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if (nterms >= 2)
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{
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fprintf(stderr, "Net with >2 terms ignored: %s\n", line1);
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continue;
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}
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he = HashLookOnly(&feedHash, line1);
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if (he == NULL || (li = (LabInfo *) HashGetValue(he)) == NULL)
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{
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fprintf(stderr, "No location for terminal %s\n", line1);
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continue;
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}
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if(nterms == 0)
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{
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printf(":iroute route -slayers %s -sPoint %d %d ",
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li->li_layer,
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li->li_area.r_xbot,
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li->li_area.r_ybot);
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}
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else
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{
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printf("-dlayers %s -dRect %d %d %d %d\n",
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li->li_layer,
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li->li_area.r_xbot,
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li->li_area.r_ybot,
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li->li_area.r_xtop,
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li->li_area.r_ytop);
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}
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nterms++;
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}
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exit(0);
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}
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