OpenWrt – Blame information for rev 1
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Rev | Author | Line No. | Line |
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1 | office | 1 | #!/usr/bin/env bash |
2 | # Copyright (C) 2006-2012 OpenWrt.org |
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3 | set -x |
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4 | [ $# == 5 -o $# == 6 ] || { |
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5 | echo "SYNTAX: $0 <file> <kernel size> <kernel directory> <rootfs size> <rootfs image> [<align>]" |
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6 | exit 1 |
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7 | } |
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8 | |||
9 | OUTPUT="$1" |
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10 | KERNELSIZE="$2" |
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11 | KERNELDIR="$3" |
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12 | ROOTFSSIZE="$4" |
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13 | ROOTFSIMAGE="$5" |
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14 | ALIGN="$6" |
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15 | |||
16 | rm -f "$OUTPUT" |
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17 | |||
18 | head=16 |
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19 | sect=63 |
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20 | cyl=$(( ($KERNELSIZE + $ROOTFSSIZE) * 1024 * 1024 / ($head * $sect * 512))) |
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21 | |||
22 | # create partition table |
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23 | set `ptgen -o "$OUTPUT" -h $head -s $sect -p ${KERNELSIZE}m -p ${ROOTFSSIZE}m ${ALIGN:+-l $ALIGN} ${SIGNATURE:+-S 0x$SIGNATURE}` |
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24 | |||
25 | KERNELOFFSET="$(($1 / 512))" |
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26 | KERNELSIZE="$2" |
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27 | ROOTFSOFFSET="$(($3 / 512))" |
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28 | ROOTFSSIZE="$(($4 / 512))" |
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29 | |||
30 | [ -n "$PADDING" ] && dd if=/dev/zero of="$OUTPUT" bs=512 seek="$ROOTFSOFFSET" conv=notrunc count="$ROOTFSSIZE" |
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31 | dd if="$ROOTFSIMAGE" of="$OUTPUT" bs=512 seek="$ROOTFSOFFSET" conv=notrunc |
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32 | |||
33 | make_ext4fs -J -l "$KERNELSIZE" "$OUTPUT.kernel" "$KERNELDIR" |
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34 | dd if="$OUTPUT.kernel" of="$OUTPUT" bs=512 seek="$KERNELOFFSET" conv=notrunc |
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35 | rm -f "$OUTPUT.kernel" |