kern
annotate mkdiskimg @ 84:4dd35ccceba1
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| author | John Tsiombikas <nuclear@member.fsf.org> |
|---|---|
| date | Wed, 07 Dec 2011 04:26:18 +0000 |
| parents | 4ef83db5f4cd |
| children | 5fb7ad5967a8 |
| rev | line source |
|---|---|
| nuclear@83 | 1 #!/bin/sh |
| nuclear@83 | 2 |
| nuclear@83 | 3 # mkdiskimg - prepare a disk image for the kernel |
| nuclear@83 | 4 # usage: mkdiskimg [size in mb, default: 40] |
| nuclear@83 | 5 |
| nuclear@83 | 6 imgfile=disk.img |
| nuclear@83 | 7 if [ -e $imgfile ]; then |
| nuclear@83 | 8 echo "file '$imgfile' exists, will not overwrite, delete it first" >&2 |
| nuclear@83 | 9 exit 1 |
| nuclear@83 | 10 fi |
| nuclear@83 | 11 |
| nuclear@83 | 12 if [ -n "$1" ]; then |
| nuclear@83 | 13 sizemb=$1 |
| nuclear@83 | 14 else |
| nuclear@83 | 15 sizemb=40 |
| nuclear@83 | 16 fi |
| nuclear@83 | 17 |
| nuclear@83 | 18 # create the image file |
| nuclear@83 | 19 echo 'creating image file ...' |
| nuclear@83 | 20 dd if=/dev/zero of=$imgfile bs=1M count=$sizemb || exit 1 |
| nuclear@83 | 21 |
| nuclear@84 | 22 mkpart_linux() |
| nuclear@84 | 23 { |
| nuclear@84 | 24 sfdisk -q $imgfile <<EOF |
| nuclear@84 | 25 ,,cc |
| nuclear@84 | 26 EOF |
| nuclear@84 | 27 } |
| nuclear@84 | 28 |
| nuclear@84 | 29 mkpart_fbsd() |
| nuclear@84 | 30 { |
| nuclear@84 | 31 fdisk -f - $imgfile <<EOF |
| nuclear@84 | 32 p 1 204 * * |
| nuclear@84 | 33 EOF |
| nuclear@84 | 34 } |
| nuclear@84 | 35 |
| nuclear@84 | 36 sys=`uname -s` |
| nuclear@84 | 37 |
| nuclear@83 | 38 # create partition table |
| nuclear@84 | 39 echo 'creating partition table with a single partition ...' |
| nuclear@84 | 40 if [ $sys = Linux ]; then |
| nuclear@84 | 41 mkpart_linux |
| nuclear@84 | 42 #elif [ $sys = FreeBSD ]; then |
| nuclear@84 | 43 # mkpart_fbsd |
| nuclear@84 | 44 else |
| nuclear@84 | 45 echo "don't know how to partition the image on your system." |
| nuclear@84 | 46 echo "please create a partition in the disk image ($imgfile) manually." |
| nuclear@83 | 47 exit 0 |
| nuclear@83 | 48 fi |
| nuclear@84 | 49 |
| nuclear@83 | 50 if [ $? != 0 ]; then |
| nuclear@83 | 51 echo 'failed to create partition' >&2 |
| nuclear@83 | 52 exit 1 |
| nuclear@83 | 53 fi |
| nuclear@83 | 54 |
| nuclear@83 | 55 echo |
| nuclear@83 | 56 echo 'done. happy hacking!' |