1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
|
#!/bin/bash
# Copyright 1999-2004 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo/src/livecd-tools/livecd-functions.sh,v 1.1 2005/04/12 21:25:21 wolf31o2 Exp $
# Global Variables:
# CDBOOT -- is booting off CD
# LIVECD_CONSOLE -- console that is specified to kernel commandline
# -- (ttyS0, tty1, etc). Only defined if passed to kernel
# LIVECD_CONSOLE_BAUD -- console baudrate specified
# LIVECD_CONSOLE_PARITY -- console parity specified
# LIVECD_CONSOLE_DATABITS -- console databits specified
livecd_parse_opt() {
case "$1" in
*\=*)
echo "$1" | cut -f2 -d=;;
esac
}
livecd_console_settings() {
# scan for a valid baud rate
case "$1" in
300*)
LIVECD_CONSOLE_BAUD=300
;;
600*)
LIVECD_CONSOLE_BAUD=600
;;
1200*)
LIVECD_CONSOLE_BAUD=1200
;;
2400*)
LIVECD_CONSOLE_BAUD=2400
;;
4800*)
LIVECD_CONSOLE_BAUD=4800
;;
9600*)
LIVECD_CONSOLE_BAUD=9600
;;
14400*)
LIVECD_CONSOLE_BAUD=14400
;;
19200*)
LIVECD_CONSOLE_BAUD=19200
;;
28800*)
LIVECD_CONSOLE_BAUD=28800
;;
38400*)
LIVECD_CONSOLE_BAUD=38400
;;
57600*)
LIVECD_CONSOLE_BAUD=57600
;;
115200*)
LIVECD_CONSOLE_BAUD=115200
;;
esac
if [ "${LIVECD_CONSOLE_BAUD}" = "" ]
then
# If it's a virtual console, set baud to 38400, if it's a serial
# console, set it to 9600 (by default anyhow)
case ${LIVECD_CONSOLE} in
tty[0-9])
LIVECD_CONSOLE_BAUD=38400
;;
*)
LIVECD_CONSOLE_BAUD=9600
;;
esac
fi
export LIVECD_CONSOLE_BAUD
# scan for a valid parity
# If the second to last byte is a [n,e,o] set parity
local parity
parity=`echo $1 | rev | cut -b 2-2`
case "$parity" in
[neo])
LIVECD_CONSOLE_PARITY=$parity
;;
esac
export LIVECD_CONSOLE_PARITY
# scan for databits
# Only set databits if second to last character is parity
if [ "${LIVECD_CONSOLE_PARITY}" != "" ]
then
LIVECD_CONSOLE_DATABITS=`echo $1 | rev | cut -b 1`
fi
export LIVECD_CONSOLE_DATABITS
return 0
}
livecd_read_commandline() {
local CMDLINE
# Line to be used for testing only. The formatting of the console=
# prompt can be found in /usr/src/linux/Documentation/serial-console.txt
# possible cmdline could look like this: CMDLINE="cdroot console=ttyS0,9600n8"
CMDLINE=`cat /proc/cmdline`
for x in ${CMDLINE}
do
case "${x}" in
cdroot)
CDBOOT="yes"
export CDBOOT
;;
cdroot\=*)
CDBOOT="yes"
export CDBOOT
;;
console\=*)
local live_console
live_console=`livecd_parse_opt "${x}"`
# Parse the console line. No options specified if
# no comma
LIVECD_CONSOLE=`echo ${live_console} | cut -f1 -d,`
if [ "${LIVECD_CONSOLE}" = "" ]
then
# no options specified
LIVECD_CONSOLE=${live_console}
else
# there are options, we need to parse them
local livecd_console_opts
livecd_console_opts=`echo ${live_console} | cut -f2 -d,`
livecd_console_settings ${livecd_console_opts}
fi
export LIVECD_CONSOLE
;;
esac
done
return 0
}
livecd_fix_inittab() {
if [ "${CDBOOT}" = "" ]
then
return 1
fi
# Comment out current getty settings
sed -i -e '/^c[0-9]/ s/^/#/' /etc/inittab
# SPARC & HPPA console magic
if [ "${HOSTTYPE}" = "sparc" -o "${HOSTTYPE}" = "hppa" -o "${HOSTTYPE}" = "ppc64" ]
then
# Mount openprom tree for user debugging purposes
if [ "${HOSTTYPE}" = "sparc" ]
then
mount -t openpromfs none /proc/openprom
fi
# SPARC serial port A, HPPA mux / serial
if [ -c "/dev/tts/0" ]
then
LIVECD_CONSOLE_BAUD=`stty -F /dev/tts/0 speed`
echo "s0:12345:respawn:/sbin/agetty -nl /bin/bashlogin ${LIVECD_CONSOLE_BAUD} tts/0 vt100" >> /etc/inittab
fi
# HPPA software PDC console (K-models)
if [ "${LIVECD_CONSOLE}" = "ttyB0" ]
then
mknod /dev/ttyB0 c 11 0
LIVECD_CONSOLE_BAUD=`stty -F /dev/ttyB0 speed`
echo "b0:12345:respawn:/sbin/agetty -nl /bin/bashlogin ${LIVECD_CONSOLE_BAUD} ttyB0 vt100" >> /etc/inittab
fi
# FB / STI console
if [ -c "/dev/vc/1" ]
then
for x in 1 2 3 4 5 6
do
echo "c${x}:12345:respawn:/sbin/mingetty --noclear --autologin root tty${x}" >> /etc/inittab
done
fi
if [ -c "/dev/hvc/0" ]
then
ln -s /dev/hvc/0 /dev/hvc0
echo "c0:12345:respawn:/sbin/agetty -nl /bin/bashlogin 9600 hvc0 vt320" >> /etc/inittab
fi
# The rest...
else
if [ "${LIVECD_CONSOLE}" = "tty0" -o "${LIVECD_CONSOLE}" = "" ]
then
for x in 1 2 3 4 5 6
do
echo "c${x}:12345:respawn:/sbin/agetty -nl /bin/bashlogin 38400 tty${x} linux" >> /etc/inittab
done
else
if [ -c "/dev/hvc/0" ]
then
ln -s /dev/hvc/0 /dev/hvc0
echo "c0:12345:respawn:/sbin/agetty -nl /bin/bashlogin 9600 hvc0 vt320" >> /etc/inittab
else
echo "c0:12345:respawn:/sbin/agetty -nl /bin/bashlogin ${LIVECD_CONSOLE_BAUD} ${LIVECD_CONSOLE} vt100" >> /etc/inittab
fi
fi
fi
return 0
}
|
GitWeb