3 # Copyright (C) 2016 Josua Mayer
5 # This program is free software; you can redistribute it and/or
6 # modify it under the terms of the GNU General Public License
7 # as published by the Free Software Foundation; either version 2
8 # of the License, or (at your option) any later version.
10 # This program 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.
15 # You should have received a copy of the GNU General Public License
16 # along with this program; if not, write to the Free Software
17 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
21 echo "$0 <outfile> <bootloader> [<type_partitionN> <sectors_partitionN> <img_partitionN>]?"
24 # always require first 3 arguments
25 # then in pairs up to 8 more for a total of up to 4 partitions
26 if [ $# -lt 2 ] || [ $# -gt 15 ] || [ $((($# - 2) % 3)) -ne 0 ]; then
35 BOOTLOADER="$1"; shift
38 printf "Creating $OUTFILE from /dev/zero: "
39 dd if=/dev/zero of="$OUTFILE" bs=512 count=1 >/dev/null
42 while [ "$#" -ge 3 ]; do
43 ptgen_args="$ptgen_args -p $(($2 / 2 + 256)) -S 0x$1"
51 # create real partition table using fdisk
52 printf "Creating partition table: "
53 set `ptgen -o "$OUTFILE" -h $head -s $sect -l 1024 $ptgen_args`
57 printf "Writing bootloader: "
58 dd of="$OUTFILE" if="$BOOTLOADER" bs=512 seek=1 conv=notrunc 2>/dev/null
62 while [ "$#" -ge 2 ]; do
66 printf "Writing %s to partition %i: " "$img" $i
69 # add padding to avoid leaving behind old overlay fs data
70 dd if=/dev/zero bs=128k count=1 2>/dev/null
71 ) | dd of="$OUTFILE" bs=512 seek=$(($1 / 512)) conv=notrunc 2>/dev/null