2.11BSD#431 - /usr/src/sys/autoconfig/main.c

   1: /*
   2:  * Copyright (c) 1986 Regents of the University of California.
   3:  * All rights reserved.  The Berkeley software License Agreement
   4:  * specifies the terms and conditions for redistribution.
   5:  *
   6:  *	@(#)main.c	1.1 (2.10BSD Berkeley) 12/1/86
   7:  */
   8: 
   9: /*
  10:  * sysconfig -- Program to auto configure a kernel to the devices which
  11:  * are present.  Needs the ucall() system call and special kernel to work.
  12:  */
  13: 
  14: #include <machine/autoconfig.h>
  15: #include <stdio.h>
  16: 
  17: char    *nlist_name = "/unix",      /* kernel */
  18:     *dtab_name = "/etc/dtab",   /* dtab file */
  19:     *myname;            /* program name */
  20: int kmem,
  21:     verbose = NO,
  22:     debug = NO,
  23:     complain = NO,
  24:     pflag = NO;
  25: 
  26: main(argc,argv)
  27: int argc;
  28: char    **argv;
  29: {
  30:     extern char *optarg;
  31:     static char *kmem_name = "/dev/kmem";
  32:     int c;
  33:     char    *C,
  34:         *rindex();
  35: 
  36:     setbuf(stdout, NULL);
  37:     myname = (C = rindex(*argv,'/')) ? ++C : *argv;
  38:     while((c = getopt(argc,argv,"Pcdi:k:n:v")) != EOF)
  39:         switch((char)c) {
  40:             case 'P':   /* pflag, ask Mike */
  41:                 pflag = YES;
  42:                 break;
  43:             case 'c':   /* complain about bad vectors */
  44:                 complain = YES;
  45:                 break;
  46:             case 'd':   /* debugging run */
  47:                 debug = YES;
  48:                 break;
  49:             case 'i':   /* not dtab, different file */
  50:                 dtab_name = optarg;
  51:                 break;
  52:             case 'k':   /* not /dev/kmem, different file */
  53:                 kmem_name = optarg;
  54:                 break;
  55:             case 'n':   /* not /unix, different file */
  56:                 nlist_name = optarg;
  57:                 break;
  58:             case 'v':   /* verbose output */
  59:                 verbose = YES;
  60:                 break;
  61:             default:
  62:                 fputs("usage: ",stderr);
  63:                 fputs(myname,stderr);
  64:                 fputs(" [-c] [-d] [-v] [-i file] [-k file] [-n file]\n",stderr);
  65:                 exit(AC_SETUP);
  66:         }
  67: 
  68:     if ((kmem = open(kmem_name, 2)) < 0) {
  69:         perror(kmem_name);
  70:         exit(AC_SETUP);
  71:     }
  72: 
  73:     /* Read the dtab into internal tables so we can play with it */
  74:     read_dtab();
  75: 
  76:     /* Now set up for and call nlist so we can get kernel symbols */
  77:     read_nlist();
  78: 
  79:     /* And at last change the kernel to suit ourselves */
  80:     auto_config();
  81: 
  82:     /* All done go bye bye now */
  83:     exit(AC_OK);
  84: }

Defined functions

Defined variables