openwrt/target/linux/omap/image/gen_omap_sdcard_img.sh
Rosen Penev 646e811b07 omap: gen_omap_sdcard_img.sh: use /bin/sh
Nothing here needs bash.

Signed-off-by: Rosen Penev <rosenp@gmail.com>
[add prefix to commit title]
Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>
2019-12-31 01:17:09 +01:00

34 lines
719 B
Bash
Executable File

#!/bin/sh
#
# Copyright (C) 2013 OpenWrt.org
#
# This is free software, licensed under the GNU General Public License v2.
# See /LICENSE for more information.
#
set -x
[ $# -eq 5 ] || {
echo "SYNTAX: $0 <file> <bootfs image> <rootfs image> <bootfs size> <rootfs size>"
exit 1
}
OUTPUT="$1"
BOOTFS="$2"
ROOTFS="$3"
BOOTFSSIZE="$4"
ROOTFSSIZE="$5"
head=4
sect=63
set $(ptgen -o $OUTPUT -h $head -s $sect -l 1024 -t c -p ${BOOTFSSIZE}M -t 83 -p ${ROOTFSSIZE}M)
BOOTOFFSET="$(($1 / 512))"
BOOTSIZE="$(($2 / 512))"
ROOTFSOFFSET="$(($3 / 512))"
ROOTFSSIZE="$(($4 / 512))"
dd bs=512 if="$BOOTFS" of="$OUTPUT" seek="$BOOTOFFSET" conv=notrunc
dd bs=512 if="$ROOTFS" of="$OUTPUT" seek="$ROOTFSOFFSET" conv=notrunc