recepies/amt/serial-console.sh

#!/bin/sh -x

# add AMT serial console to inittab

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

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

if ! grep $ttyS /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

test -f $grub || exit

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	dpavlin	75	#!/bin/sh -x
2
3			# add AMT serial console to inittab
4
5	dpavlin	135	ttyS=`dmesg \| grep ttyS \| grep 0x \| tail -1 \| sed 's/^.\(ttyS[0-9]\).$/\1/'`
6	dpavlin	75
7	dpavlin	87	test -z "$ttyS" && echo "Can't find serial port in dmesg output" && exit
8
9	dpavlin	135	if ! grep $ttyS /etc/inittab \| grep -v ^# ; then
10	dpavlin	75	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	dpavlin	76
16			grub=/boot/grub/menu.lst
17	dpavlin	77	tmp=/tmp/menu.lst
18	dpavlin	76
19	dpavlin	135	test -f $grub \|\| exit
20
21	dpavlin	76	if ! grep '^# kopt=' $grub \| grep console= ; then
22	dpavlin	89	cat $grub \| sed "s/^\(# kopt=.*\)$/\1 console=$ttyS,115200 console=tty0/" > $tmp
23	dpavlin	77	else
24			cat $grub > $tmp
25	dpavlin	76	fi
26	dpavlin	77
27
28			if ! grep 'terminal *serial' $grub ; then
29			port=`dmesg \| grep ttyS \| grep 0xe \| sed 's/^.\(0xe[0-9a-f]\).*$/\1/'`
30	dpavlin	89	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
31	dpavlin	77	fi
32
33			if ! diff -urw $grub $tmp ; then
34			mv $tmp $grub && update-grub
35			fi