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