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- #!/usr/bin/env bash
- #
- # Copyright (C) 2015 OpenWrt.org
- #
- # This is free software, licensed under the GNU General Public License v2.
- # See /LICENSE for more information.
- #
- set -x
- [ $# -eq 4 ] || {
- echo "SYNTAX: $0 <file> <u-boot.sb image> <rootfs image> <rootfs size>"
- exit 1
- }
- OUTPUT="$1"
- UBOOT="$2"
- ROOTFS="$3"
- ROOTFSSIZE="$4"
- head=4
- sect=63
- # set the Boot stream partition size to 1M
- set `ptgen -o $OUTPUT -h $head -s $sect -l 1024 -t 53 -p 1M -t 83 -p ${ROOTFSSIZE}M -t 83 -p ${ROOTFSSIZE}M`
- ROOTFS1OFFSET="$(($3 / 512))"
- ROOTFS1SIZE="$(($4 / 512))"
- ROOTFS2OFFSET="$(($5 / 512))"
- ROOTFS2SIZE="$(($6 / 512))"
- dd bs=512 if="$ROOTFS" of="$OUTPUT" seek="$ROOTFS1OFFSET" conv=notrunc
- dd bs=512 if="$ROOTFS" of="$OUTPUT" seek="$ROOTFS2OFFSET" conv=notrunc
- sdimage -d "$OUTPUT" -f "$UBOOT"
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