mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-11-09 09:49:43 +02:00
ea8823c993
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@18279 3c298f89-4303-0410-b956-a3cf2f4a3e73
49 lines
1.2 KiB
Bash
Executable File
49 lines
1.2 KiB
Bash
Executable File
#!/usr/bin/env bash
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# Copyright (C) 2006 OpenWrt.org
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set -x
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[ $# == 5 ] || {
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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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}
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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="$5"
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rm -f "$OUTPUT"
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head=16
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sect=63
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cyl=$(( ($KERNELSIZE + $ROOTFSSIZE) * 1024 * 1024 / ($head * $sect * 512)))
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# create partition table
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set `ptgen -o "$OUTPUT" -h $head -s $sect -p ${KERNELSIZE}m -p ${ROOTFSSIZE}m`
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KERNELOFFSET="$(($1 / 512))"
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KERNELSIZE="$(($2 / 512))"
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ROOTFSOFFSET="$(($3 / 512))"
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ROOTFSSIZE="$(($4 / 512))"
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BLOCKS="$((($KERNELSIZE / 2) - 1))"
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[ -n "$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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[ -n "$NOGRUB" ] && exit 0
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genext2fs -d "$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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which chpax >/dev/null && chpax -zp $(which grub)
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grub --batch --no-curses --no-floppy --device-map=/dev/null <<EOF
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device (hd0) $OUTPUT
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geometry (hd0) $cyl $head $sect
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root (hd0,0)
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setup (hd0)
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quit
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EOF
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