sbin/kget/kget.c

   1 /*-
   2  * Copyright (c) 1999 Andrzej Bialecki <abial@freebsd.org>
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  *
  14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  24  * SUCH DAMAGE.
  25  *
  26  * $FreeBSD: src/sbin/kget/kget.c,v 1.4.2.2 2001/08/01 08:19:51 obrien Exp $
  27  */
  28
  29 #include <stdio.h>
  30 #include <stdlib.h>
  31 #include <string.h>
  32 #include <sys/types.h>
  33 #include <sys/sysctl.h>
  34 #include <machine/uc_device.h>
  35
  36 struct uc_device *id;
  37 char *p;
  38
  39 int
  40 main(int argc, char *argv[])
  41 {
  42         int len,i;
  43         char *buf;
  44         char *mib1="machdep.uc_devlist";
  45         char name[9];
  46         FILE *fout;
  47
  48         if(argc<2) {
  49                 fout=stdout;
  50         } else {
  51                 if(strcmp(argv[1],"-")==0) {
  52                         fout=stdout;
  53                 } else {
  54                         fout=fopen(argv[1],"w");
  55                         if(fout==NULL) {
  56                                 perror("opening output file");
  57                                 exit(1);
  58                         }
  59                 }
  60         }
  61
  62         /* We use sysctlbyname, because the oid is unknown (OID_AUTO) */
  63
  64         /* Print the changes made to ISA devices */
  65         /* get the buffer size */
  66         i=sysctlbyname(mib1,NULL,&len,NULL,NULL);
  67         if(i) {
  68                 perror("buffer sizing");
  69                 exit(-1);
  70         }
  71         buf=(char *)malloc(len*sizeof(char));
  72         if (buf==NULL) {
  73                 perror("malloc");
  74                 exit(-1);
  75         }
  76         i=sysctlbyname(mib1,buf,&len,NULL,NULL);
  77         if(i) {
  78                 perror("retrieving data");
  79                 exit(-1);
  80         }
  81         i=0;
  82         while(i<len) {
  83                 id=(struct uc_device *)(buf+i);
  84                 p=(buf+i+sizeof(struct uc_device));
  85                 strncpy(name,p,8);
  86                 if(!id->id_enabled) {
  87                         fprintf(fout,"disable %s%d\n",name,id->id_unit);
  88                 } else {
  89                         fprintf(fout,"enable %s%d\n",name,id->id_unit);
  90                         if(id->id_iobase>0) {
  91                                 fprintf(fout,"port %s%d %#x\n",name,id->id_unit,
  92                                         id->id_iobase);
  93                         }
  94                         if(id->id_irq>0) {
  95                                 fprintf(fout,"irq %s%d %d\n",name,id->id_unit,
  96                                         ffs(id->id_irq)-1);
  97                         }
  98                         if(id->id_drq>0) {
  99                                 fprintf(fout,"drq %s%d %d\n",name,id->id_unit,
 100                                         id->id_drq);
 101                         }
 102                         if(id->id_maddr>0) {
 103                                 fprintf(fout,"iomem %s%d %#x\n",name,id->id_unit,
 104                                         id->id_maddr);
 105                         }
 106                         if(id->id_msize>0) {
 107                                 fprintf(fout,"iosize %s%d %d\n",name,id->id_unit,
 108                                         id->id_msize);
 109                         }
 110                         fprintf(fout,"flags %s%d %#x\n",name,id->id_unit,
 111                                 id->id_flags);
 112                 }
 113                 i+=sizeof(struct uc_device)+8;
 114         }
 115         free(buf);
 116         fprintf(fout,"quit\n");
 117         fclose(fout);
 118         exit(0);
 119 }