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openwrt/target/linux/apm821xx/image/mbl_gen_hdd_img.sh
Rosen Penev 3c42293937 apm821xx: mbl_gen_hdd_img.sh: switch to /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 01:28:08 +01:00

28 lines
569 B
Bash
Executable File

#!/bin/sh
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 4096 -t 83 -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