parent
6c02dd2b04
commit
ce4244c8af
@ -0,0 +1,39 @@ |
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#!/usr/bin/env bash |
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# Copyright (C) 2006-2012 OpenWrt.org |
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set -x |
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[ $# == 5 -o $# == 6 ] || { |
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echo "SYNTAX: $0 <file> <kernel size> <kernel directory> <rootfs size> <rootfs image> [<align>]" |
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exit 1 |
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} |
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|
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OUTPUT="$1" |
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KERNELSIZE="$2" |
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KERNELDIR="$3" |
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ROOTFSSIZE="$4" |
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ROOTFSIMAGE="$5" |
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ALIGN="$6" |
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|
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rm -f "$OUTPUT" |
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|
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head=16 |
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sect=63 |
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cyl=$(( ($KERNELSIZE + $ROOTFSSIZE) * 1024 * 1024 / ($head * $sect * 512))) |
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|
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# create partition table |
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set `ptgen -o "$OUTPUT" -h $head -s $sect -p ${KERNELSIZE}m -p ${ROOTFSSIZE}m ${ALIGN:+-l $ALIGN}` |
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|
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KERNELOFFSET="$(($1 / 512))" |
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KERNELSIZE="$(($2 / 512))" |
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ROOTFSOFFSET="$(($3 / 512))" |
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ROOTFSSIZE="$(($4 / 512))" |
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BLOCKS="$((($KERNELSIZE / 2) - 1))" |
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|
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[ -n "$PADDING" ] && dd if=/dev/zero of="$OUTPUT" bs=512 seek="$ROOTFSOFFSET" conv=notrunc count="$ROOTFSSIZE" |
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dd if="$ROOTFSIMAGE" of="$OUTPUT" bs=512 seek="$ROOTFSOFFSET" conv=notrunc |
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|
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[ -n "$NOGRUB" ] && exit 0 |
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|
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genext2fs -d "$KERNELDIR" -b "$BLOCKS" "$OUTPUT.kernel" |
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dd if="$OUTPUT.kernel" of="$OUTPUT" bs=512 seek="$KERNELOFFSET" conv=notrunc |
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rm -f "$OUTPUT.kernel" |
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