scripts/runqemu-addptable2image

   1 #!/bin/sh
   2
   3 # Add a partition table to an ext2 image file
   4 #
   5 # Copyright (C) 2006-2007 OpenedHand Ltd.
   6 #
   7 # SPDX-License-Identifier: GPL-2.0-or-later
   8 #
   9
  10 IMAGE=$1
  11 IMAGEOUT=$2
  12
  13 echo $IMAGE
  14 echo $IMAGEOUT
  15
  16 size=`ls -l $IMAGE | awk '{ print $5}'`
  17 size2=`expr $size / 512 / 16 / 63`
  18
  19 echo $size
  20 echo $size2
  21
  22 # MBR Size = 512 * 63 bytes
  23 dd if=/dev/zero of=$IMAGEOUT count=63
  24
  25 echo "x" > /tmp/fdisk.cmds
  26 echo "c" >> /tmp/fdisk.cmds
  27 echo "1024" >> /tmp/fdisk.cmds
  28 echo "h" >> /tmp/fdisk.cmds
  29 echo "16" >> /tmp/fdisk.cmds
  30 echo "r" >> /tmp/fdisk.cmds
  31 echo "n" >> /tmp/fdisk.cmds
  32 echo "p" >> /tmp/fdisk.cmds
  33 echo "1" >> /tmp/fdisk.cmds
  34 echo "1" >> /tmp/fdisk.cmds
  35 echo "$size2" >> /tmp/fdisk.cmds
  36 echo "w" >> /tmp/fdisk.cmds
  37
  38 /sbin/fdisk $IMAGEOUT < /tmp/fdisk.cmds
  39 cat $IMAGE >> $IMAGEOUT