misc/make_cmos_image.cc

   1 /////////////////////////////////////////////////////////////////////////
   2 // $Id: make_cmos_image.cc,v 1.4 2003/06/07 19:16:55 vruppert Exp $
   3 /////////////////////////////////////////////////////////////////////////
   4 //
   5 //  Copyright (C) 2001  MandrakeSoft S.A.
   6 //
   7 //    MandrakeSoft S.A.
   8 //    43, rue d'Aboukir
   9 //    75002 Paris - France
  10 //    http://www.linux-mandrake.com/
  11 //    http://www.mandrakesoft.com/
  12 //
  13 //  This library is free software; you can redistribute it and/or
  14 //  modify it under the terms of the GNU Lesser General Public
  15 //  License as published by the Free Software Foundation; either
  16 //  version 2 of the License, or (at your option) any later version.
  17 //
  18 //  This library is distributed in the hope that it will be useful,
  19 //  but WITHOUT ANY WARRANTY; without even the implied warranty of
  20 //  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  21 //  Lesser General Public License for more details.
  22 //
  23 //  You should have received a copy of the GNU Lesser General Public
  24 //  License along with this library; if not, write to the Free Software
  25 //  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  26
  27
  28 // Program which generates sample CMOS image files
  29
  30
  31
  32 extern "C" {
  33 #include <stdio.h>
  34 #include <sys/types.h>
  35 #include <sys/stat.h>
  36 #include <fcntl.h>
  37 #include <unistd.h>
  38 #include <stdlib.h>
  39 }
  40
  41
  42 #if 1
  43 unsigned char cmos[] = {
  44   0x29, 0x2b, 0x30, 0x2b, 0x16, 0x0b, 0x00, 0x01,
  45   0x01, 0x96, 0x26, 0x02, 0x50, 0x80, 0x00, 0x00,
  46   0x40, 0x8f, 0xf0, 0xc0, 0x3f, 0x80, 0x02, 0x00,
  47   0x3c, 0x2f, 0x00, 0x4c, 0x0c, 0x10, 0x00, 0x00,
  48   0x3f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
  49   0x00, 0x48, 0x2b, 0x03, 0x03, 0x03, 0x04, 0xce,
  50   0x00, 0x3c, 0x19, 0xff, 0xff, 0xf0, 0x00, 0xf0,
  51   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x04, 0x7b
  52   };
  53
  54 #else
  55 unsigned char cmos[] = {
  56   0x29, 0x2b, 0x30, 0x2b, 0x16, 0x0b, 0x00, 0x01,
  57   0x01, 0x96, 0x26, 0x02, 0x50, 0x80, 0x00, 0x00,
  58   0x40, 0x8f, 0xf0, 0xc0, 0x0f, 0x80, 0x02, 0x00,
  59   0x3c, 0x2f, 0x00, 0x1e, 0x00, 0x04, 0xff, 0xff,
  60   0x11, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
  61   0x00, 0x08, 0x08, 0x03, 0x03, 0x03, 0x05, 0xc5,
  62   0x00, 0x3c, 0x00, 0x00, 0x00, 0xf0, 0x00, 0x10,
  63   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x21,  // 0x21
  64
  65   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
  66   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
  67   0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x10,  // 50
  68   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
  69   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,  // 60
  70   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
  71   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,  // 70
  72   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
  73   };
  74 #endif
  75
  76   int
  77 main(int argc, char *argv[])
  78 {
  79   int fd, ret;
  80
  81   if (argc != 2) {
  82     fprintf(stderr, "usage: %s pathname\n", argv[0]);
  83     exit(1);
  84     }
  85
  86   fd = open(argv[1], O_WRONLY | O_CREAT
  87 #ifdef O_BINARY
  88                                     | O_BINARY
  89 #endif
  90            , S_IRUSR | S_IWUSR
  91            );
  92   if (fd < 0) {
  93     perror("trying to open cmos image file to write.\n");
  94     exit(1);
  95     }
  96
  97   ret = write(fd, cmos, sizeof(cmos));
  98   if (ret != sizeof(cmos)) {
  99     perror("write() did not write all CMOS data.\n");
 100     exit(1);
 101     }
 102   printf("CMOS data successfuly written to file '%s'.\n", argv[1]);
 103 }