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https://github.com/coolsnowwolf/lede.git
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45 lines
1.3 KiB
Bash
Executable File
45 lines
1.3 KiB
Bash
Executable File
#!/usr/bin/env bash
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set -x
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[ $# == 8 -o $# == 9 ] || {
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echo "SYNTAX: $0 <file> <kernel size> <kernel directory> <efi size> <efi image> <efigrubmodule size> <rootfs size> <rootfs image> [<align>]"
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exit 1
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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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EFISIZE="$4"
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EFIIMAGE="$5"
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EFIGRUBSIZE="$6"
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ROOTFSSIZE="$7"
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ROOTFSIMAGE="$8"
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ALIGN="$9"
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rm -f "$OUTPUT"
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head=16
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sect=63
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cyl=$(( ($KERNELSIZE + $EFISIZE + $EFIGRUBSIZE + $ROOTFSSIZE) * 1024 * 1024 / ($head * $sect * 512) ))
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# create partition table
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set `ptgen -o "$OUTPUT" -h $head -s $sect -p ${KERNELSIZE}m -p ${EFISIZE}m -p ${EFIGRUBSIZE}m -p ${ROOTFSSIZE}m ${ALIGN:+-l $ALIGN} ${SIGNATURE:+-S 0x$SIGNATURE}`
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KERNELOFFSET="$(($1 / 512))"
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KERNELSIZE="$2"
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EFIOFFSET="$(($3 / 512))"
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EFISIZE="$(($4 / 512))"
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EFIGRUBOFFSET="$(($5 / 512))"
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EFIGRUBSIZE="$(($6 / 512))"
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ROOTFSOFFSET="$(($7 / 512))"
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ROOTFSSIZE="$(($8 / 512))"
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dd if=/dev/zero of="$OUTPUT" bs=512 seek="$ROOTFSOFFSET" conv=notrunc count="$ROOTFSSIZE"
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dd if="$ROOTFSIMAGE" of="$OUTPUT" bs=512 seek="$ROOTFSOFFSET" conv=notrunc
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dd if="$EFIIMAGE" of="$OUTPUT" bs=512 seek="$EFIOFFSET" conv=notrunc
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[ -n "$NOGRUB" ] && exit 0
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make_ext4fs -J -l "$KERNELSIZE" "$OUTPUT.kernel" "$KERNELDIR"
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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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