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- #!/bin/sh
- # SPDX-License-Identifier: GPL-2.0-only
- #
- # Copyright (C) 2013 OpenWrt.org
- 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
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