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Commit | Line | Data |
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1 | #!/bin/sh | |
2 | # geninitrd mod: udev | |
3 | USE_UDEV=${USE_UDEV:-yes} | |
4 | ||
5 | # | |
6 | # TODO: | |
7 | # - make udev start before insmods | |
8 | # - make proper use of USE_UDEV - don't copy rules if USE_UDEV is off no! | |
9 | ||
10 | inst_rules() { | |
11 | local _rule _found d | |
12 | ||
13 | inst_d "/lib/udev/rules.d" | |
14 | for _rule in "$@"; do | |
15 | for d in /lib/udev/rules.d /etc/udev/rules.d /lib/geninitrd/udev-rules; do | |
16 | if [ -f $d/$_rule ]; then | |
17 | inst $d/$_rule /lib/udev/rules.d/$_rule | |
18 | fi | |
19 | done | |
20 | done | |
21 | ||
22 | } | |
23 | ||
24 | # setup geninitrd module | |
25 | # @access public | |
26 | setup_mod_udev() { | |
27 | udevd=$(find_tool $initrd_dir/udevd /sbin/initrd-udevd) | |
28 | udevadm=$(find_tool $initrd_dir/udevadm /sbin/initrd-udevadm) | |
29 | ||
30 | if [ "$kernel_version" -lt "002006" ] || [ ! -x "$udevd" -o ! -x "$udevadm" -o ! -f /etc/udev/udev.conf ]; then | |
31 | USE_UDEV=no | |
32 | fi | |
33 | ||
34 | if is_yes "$USE_UDEV"; then | |
35 | . /etc/udev/udev.conf | |
36 | fi | |
37 | } | |
38 | ||
39 | # generate initrd fragment | |
40 | # @access public | |
41 | initrd_gen_udev() { | |
42 | verbose "Setting up udev..." | |
43 | ||
44 | inst_d /sbin /etc/udev | |
45 | inst_exec $udevd /sbin/udevd | |
46 | inst_exec $udevadm /sbin/udevadm | |
47 | inst /etc/udev/udev.conf /etc/udev/udev.conf | |
48 | # standard udev rules | |
49 | inst_rules 50-udev-default.rules 60-persistent-storage.rules 61-persistent-storage-edd.rules 80-drivers.rules 95-udev-late.rules \ | |
50 | 60-pcmcia.rules 50-firmware.rules 10-dm.rules 11-dm-lvm.rules 13-dm-disk.rules 95-dm-notify.rules | |
51 | # initrd dedicated rules | |
52 | inst_rules 01-ignore.rules 59-persistent-storage.rules 61-persistent-storage.rules 11-dm.rules | |
53 | ||
54 | local e | |
55 | for e in ata_id cdrom_id collect firmware scsi_id v4l_id; do | |
56 | if [ -e "$initrd_dir/udev/$e" ]; then | |
57 | inst_exec $initrd_dir/udev/$e /lib/udev/$e | |
58 | fi | |
59 | done | |
60 | ||
61 | # basic group file | |
62 | local _lib | |
63 | inst /etc/nsswitch.conf /etc/nsswitch.conf | |
64 | for _lib in $(get_libdir LIBDIR); do | |
65 | if (ls /$_lib/libnss_files*.so* > /dev/null 2>&1); then | |
66 | inst_exec /$_lib/libnss_files*.so* /$_lib/ | |
67 | fi | |
68 | done | |
69 | awk -F: ' { if ($3 < 1000) { print $1":"$2":"$3":" } } ' /etc/group > $DESTDIR/etc/group | |
70 | ||
71 | # blkid installed by mod-blkid | |
72 | if ! is_yes "$USE_BLKID"; then | |
73 | warn "BLKID support missing" | |
74 | fi | |
75 | ||
76 | local dir dmsetup | |
77 | for dir in $initrd_dir /sbin; do | |
78 | if [ -x "$dir/dmsetup" ] && | |
79 | [ "$($dir/dmsetup udevcookies 2>&1 | grep -c 'Command not supported')" -eq 0 ]; then | |
80 | dmsetup=$dir/dmsetup | |
81 | break | |
82 | fi | |
83 | done | |
84 | if [ -z "$dmsetup" ]; then | |
85 | warn "Can't find dmsetup with udev support" | |
86 | else | |
87 | inst_exec $dmsetup /sbin/dmsetup | |
88 | fi | |
89 | ||
90 | mount_dev | |
91 | mount_sys | |
92 | mount_run | |
93 | add_linuxrc <<-'EOF' | |
94 | : 'Starting udev' | |
95 | mkdir /run/udev | |
96 | /sbin/udevd --daemon | |
97 | /sbin/udevadm trigger --type=subsystems --action=add | |
98 | /sbin/udevadm trigger --type=devices --action=add | |
99 | /sbin/udevadm settle | |
100 | EOF | |
101 | } | |
102 | ||
103 | initrd_gen_stop_udevd() { | |
104 | if ! is_yes "$USE_UDEV"; then | |
105 | return | |
106 | fi | |
107 | add_linuxrc <<-'EOF' | |
108 | /sbin/udevadm control --exit | |
109 | /sbin/udevadm info --cleanup-db | |
110 | EOF | |
111 | } | |
112 | ||
113 | # generate initrd fragment | |
114 | # @access public | |
115 | initrd_gen_mdev() { | |
116 | debug "Setting up mdev..." | |
117 | ||
118 | busybox_applet mdev | |
119 | ln -s busybox $DESTDIR/bin/mdev | |
120 | ||
121 | cat > $DESTDIR/etc/mdev.conf <<-'EOF' | |
122 | # Provide user, group, and mode information for devices. If a regex matches | |
123 | # the device name provided by sysfs, use the appropriate user:group and mode | |
124 | # instead of the default 0:0 660. | |
125 | # | |
126 | # Syntax: | |
127 | # %s %d:%d %s | |
128 | # devicename_regex user:group mode | |
129 | ||
130 | null 0:0 666 | |
131 | zero 0:0 666 | |
132 | random 0:0 666 | |
133 | urandom 0:0 666 | |
134 | ||
135 | kmsg 0:0 644 | |
136 | kmem 0:9 000 | |
137 | mem 0:9 640 | |
138 | port 0:9 640 | |
139 | ||
140 | snapshot 0:0 600 | |
141 | ||
142 | console 0:5 600 | |
143 | ptmx 0:5 666 | |
144 | tty[0-9]* 0:5 600 | |
145 | ||
146 | ttyS[0-9]* 0:16 660 | |
147 | ||
148 | fd[0-9]* 0:19 660 | |
149 | ||
150 | sd[a-z]* 0:6 660 | |
151 | hd[a-z]* 0:6 660 | |
152 | EOF | |
153 | ||
154 | mount_dev | |
155 | mount_sys | |
156 | mount_run | |
157 | add_linuxrc <<-'EOF' | |
158 | # \n needed in mdev.seq | |
159 | echo > /dev/mdev.seq | |
160 | echo /bin/mdev > /proc/sys/kernel/hotplug | |
161 | mdev -s | |
162 | EOF | |
163 | } | |
164 | ||
165 | initrd_gen_stop_mdev() { | |
166 | add_linuxrc <<-'EOF' | |
167 | killall mdev > /dev/null 2>&1 | |
168 | EOF | |
169 | } |