recepies/amt/serial-console.sh

#!/bin/sh -x

# add AMT serial console to inittab

ttyS=`dmesg | grep ttyS | grep 0xe | sed 's/^.*\(ttyS[0-9]\).*$/\1/'`

test -z "$ttyS" && echo "Can't find serial port in dmesg output" && exit

if ! grep ttyS1 /etc/inittab | grep -v ^# ; then
        echo "Am:2345:respawn:/sbin/getty $ttyS 115200 vt100-nav" >> /etc/inittab
        init q
fi

ps ax | grep $ttyS | grep -v grep

grub=/boot/grub/menu.lst
tmp=/tmp/menu.lst

if ! grep '^# kopt=' $grub | grep console= ; then
        cat $grub | sed "s/^\(# kopt=.*\)$/\1 console=$ttyS,115200 console=tty0/" > $tmp
else
        cat $grub > $tmp
fi


if ! grep 'terminal *serial' $grub ; then
        port=`dmesg | grep ttyS | grep 0xe | sed 's/^.*\(0xe[0-9a-f]*\).*$/\1/'`
        cat $tmp | sed "s/\(### BEGIN AUTOMAGIC KERNELS LIST\)/serial --port=$port --speed=115200\nterminal serial\n\n\1/" >> $tmp.serial && mv $tmp.serial $tmp || exit
fi

if ! diff -urw $grub $tmp ; then
        mv $tmp $grub && update-grub
fi
1	#!/bin/sh -x
2
3	# add AMT serial console to inittab
4
5	ttyS=`dmesg \| grep ttyS \| grep 0xe \| sed 's/^.\(ttyS[0-9]\).$/\1/'`
6
7	test -z "$ttyS" && echo "Can't find serial port in dmesg output" && exit
8
9	if ! grep ttyS1 /etc/inittab \| grep -v ^# ; then
10	echo "Am:2345:respawn:/sbin/getty $ttyS 115200 vt100-nav" >> /etc/inittab
11	init q
12	fi
13
14	ps ax \| grep $ttyS \| grep -v grep
15
16	grub=/boot/grub/menu.lst
17	tmp=/tmp/menu.lst
18
19	if ! grep '^# kopt=' $grub \| grep console= ; then
20	cat $grub \| sed "s/^\(# kopt=.*\)$/\1 console=$ttyS,115200 console=tty0/" > $tmp
21	else
22	cat $grub > $tmp
23	fi
24
25
26	if ! grep 'terminal *serial' $grub ; then
27	port=`dmesg \| grep ttyS \| grep 0xe \| sed 's/^.\(0xe[0-9a-f]\).*$/\1/'`
28	cat $tmp \| sed "s/\(### BEGIN AUTOMAGIC KERNELS LIST\)/serial --port=$port --speed=115200\nterminal serial\n\n\1/" >> $tmp.serial && mv $tmp.serial $tmp \|\| exit
29	fi
30
31	if ! diff -urw $grub $tmp ; then
32	mv $tmp $grub && update-grub
33	fi