mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-12-03 00:28:26 +02:00
61 lines
1.1 KiB
Bash
61 lines
1.1 KiB
Bash
|
#!/bin/sh
|
||
|
|
# Copyright (C) 2006 OpenWrt.org
|
||
|
|
|
||
|
|
[ $# == 5 ] || {
|
||
|
|
echo "SYNTAX: $0 <file> <kernel size> <kernel directory> <rootfs size> <rootfs image>"
|
||
|
|
exit 1
|
||
|
|
}
|
||
|
|
|
||
|
|
file="$1"
|
||
|
|
part1s="$2"
|
||
|
|
part1d="$3"
|
||
|
|
part2s="$4"
|
||
|
|
part2f="$5"
|
||
|
|
|
||
|
|
head=16
|
||
|
|
sect=63
|
||
|
|
cyl=$(( ($part1s + $part2s) * 1024 * 1024 / ($head * $sect * 512)))
|
||
|
|
|
||
|
|
dd if=/dev/zero of="$file" bs=1M count=$(($part1s + $part2s)) 2>/dev/null || exit
|
||
|
|
fdisk -u -C $cyl -H $head -S $sect "$file" > /dev/null 2>/dev/null <<EOF
|
||
|
|
n
|
||
|
|
p
|
||
|
|
1
|
||
|
|
|
||
|
|
+${part1s}M
|
||
|
|
n
|
||
|
|
p
|
||
|
|
2
|
||
|
|
|
||
|
|
+${part2s}M
|
||
|
|
w
|
||
|
|
q
|
||
|
|
EOF
|
||
|
|
|
||
|
|
block() {
|
||
|
|
echo -e 'p\nq' | fdisk -u -C $cyl -H $head -S $sect "$file" | awk -v file="$file$1" -v n="$(($2 + 2))" '
|
||
|
|
$1 == file {
|
||
|
|
print $n * 512
|
||
|
|
}'
|
||
|
|
}
|
||
|
|
|
||
|
|
start="$(block 1 0)"
|
||
|
|
end="$(block 1 1)"
|
||
|
|
blocks="$(( ($end - $start) / 1024 ))"
|
||
|
|
|
||
|
|
genext2fs -d "$part1d" -b "$blocks" "$file.kernel"
|
||
|
|
dd if="$file.kernel" of="$file" bs=512 seek="$(($start / 512))" conv=notrunc
|
||
|
|
rm -f "$file.kernel"
|
||
|
|
|
||
|
|
start="$(block 2 0)"
|
||
|
|
dd if="$part2f" of="$file" bs=512 seek="$(($start / 512))" conv=notrunc
|
||
|
|
|
||
|
|
which chpax >/dev/null && chpax -zp $(which grub)
|
||
|
|
grub --device-map=/dev/null <<EOF
|
||
|
|
device (hd0) $file
|
||
|
|
geometry (hd0) $cyl $head $sect
|
||
|
|
root (hd0,0)
|
||
|
|
setup (hd0)
|
||
|
|
EOF
|
||
|
|
|