42 lines
1.3 KiB
Bash
Executable File
42 lines
1.3 KiB
Bash
Executable File
#!/bin/sh
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# Copyright (C) 2006-2012 OpenWrt.org
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set -e -x
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if [ $# -ne 5 ] && [ $# -ne 6 ]; then
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echo "SYNTAX: $0 <file> <kernel size> <kernel directory> <rootfs size> <rootfs image>"
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exit 1
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fi
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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="$5"
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UBOOTSIZE=8
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UBOOTOFFSET=8
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KERNELOFFSET="$(($UBOOTOFFSET + $UBOOTSIZE))"
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ROOTFSOFFSET="$(($KERNELSIZE + $KERNELOFFSET))"
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rm -f "$OUTPUT"
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# create partition table
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set $(ptgen -g -o "$OUTPUT" -a 2 -N uboot -p "$UBOOTSIZE"M@"$UBOOTOFFSET"M -N kernel -p "$KERNELSIZE"M@"$KERNELOFFSET"M -N rootfs -p "$ROOTFSSIZE"M@"$ROOTFSOFFSET"M)
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KERNELOFFSET="$(($3 / 512))"
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KERNELSIZE="$4"
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ROOTFSOFFSET="$(($5 / 512))"
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ROOTFSSIZE="$(($6 / 512))"
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[ -n "$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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if [ -n "$GUID" ]; then
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[ -n "$PADDING" ] && dd if=/dev/zero of="$OUTPUT" bs=512 seek="$((ROOTFSOFFSET + ROOTFSSIZE))" conv=notrunc count="$sect"
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mkfs.fat -n kernel -C "$OUTPUT.kernel" -S 512 "$((KERNELSIZE / 1024))"
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mcopy -s -i "$OUTPUT.kernel" "$KERNELDIR"/* ::/
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else
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make_ext4fs -J -L kernel -l "$KERNELSIZE" "$OUTPUT.kernel" "$KERNELDIR"
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fi
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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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