util/grub-dumpbios.in

   1 #! /bin/sh
   2 #
   3 # Copyright (C) 2009  Free Software Foundation, Inc.
   4 #
   5 # GRUB is free software: you can redistribute it and/or modify
   6 # it under the terms of the GNU General Public License as published by
   7 # the Free Software Foundation, either version 3 of the License, or
   8 # (at your option) any later version.
   9 #
  10 # GRUB 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 GRUB.  If not, see <http://www.gnu.org/licenses/>.
  17
  18 # Usage: usage
  19 # Print the usage.
  20 usage () {
  21     cat <<EOF
  22 Usage: $0 [OPTION]
  23 Create vbios and int10 dump
  24
  25   -o, --output=DIR        set output directory
  26   -h, --help              print this message and exit
  27   -v, --version           print the version information and exit
  28
  29 Report bugs to <bug-grub@gnu.org>.
  30 EOF
  31 }
  32
  33 # Check the arguments.
  34 for option in "$@"; do
  35     case "$option" in
  36     -h | --help)
  37         usage
  38         exit 0 ;;
  39     -v | --version)
  40         echo "$0 (GNU GRUB @PACKAGE_VERSION@)"
  41         exit 0 ;;
  42     -o)
  43         shift
  44         output_dir=$1
  45         ;;
  46     --output=)
  47         output_dir=`echo "$option" | sed 's/--output=//'`
  48         ;;
  49     -*)
  50         echo "Unrecognized option \`$option'" 1>&2
  51         usage
  52         exit 1
  53         ;;
  54     esac
  55 done
  56
  57 dd if=/dev/mem of=${output_dir}vbios.bin bs=65536 skip=12 count=1
  58 dd if=/dev/mem of=${output_dir}int10.bin bs=4 skip=16 count=1