rev |
line source |
pascal@276
|
1 #!/bin/sh
|
pascal@276
|
2
|
paul@351
|
3 ### cached kernel parameters :
|
pascal@341
|
4 #
|
pascal@341
|
5 # modprobe=
|
pascal@341
|
6 # list of modules to load, example modprobe=r8169,btrfs
|
pascal@341
|
7 #
|
pascal@342
|
8 ### Frugal mode or live CD : using a root ram disk.
|
pascal@341
|
9 #
|
pascal@341
|
10 # tmpram= [RAMDISK]
|
pascal@341
|
11 # minimum % of free RAM to build the root tmpfs, default 100
|
pascal@341
|
12 # a lower value may work, such as 50
|
pascal@341
|
13 # rootfssize= [RAMDISK]
|
pascal@341
|
14 # size of / regarding the RAM size, default 90%
|
pascal@407
|
15 # rootfsinodes= [RAMDISK]
|
pascal@464
|
16 # files count of / regarding the RAM size
|
pascal@341
|
17 #
|
pascal@342
|
18 ### Indirect mode ; an initramfs is used to mount root from the hard disk.
|
pascal@342
|
19 ### Any rootfs should fit, minimum required is slitaz-base.
|
pascal@341
|
20 #
|
pascal@341
|
21 # mount= [MOUNT]
|
pascal@341
|
22 # device with root loop file or sub directory
|
pascal@474
|
23 # mntopts= [MOUNT]
|
pascal@474
|
24 # define non default mount options
|
pascal@341
|
25 # posixovl [MOUNT]
|
pascal@341
|
26 # use posix attributes on a non posix filesystem (VFAT, NTFS...)
|
pascal@341
|
27 # loopfs= [MOUNT]
|
pascal@341
|
28 # loop file for root filesystem
|
pascal@341
|
29 # subroot= [MOUNT]
|
pascal@341
|
30 # sub directory for root filesystem
|
paul@351
|
31 # bindfs= [MOUNT] (deprecated)
|
pascal@341
|
32 # bind out of root tree part
|
pascal@341
|
33 #
|
pascal@469
|
34 # extra= [MOUNT]
|
pascal@469
|
35 # extra initrd files list to load
|
pascal@469
|
36 #
|
pascal@342
|
37 ### Special disk mode ; needs extra modules/softwares from preinit flavor.
|
pascal@341
|
38 #
|
pascal@341
|
39 # dmraid= [RAID]
|
pascal@341
|
40 # root semi hardware raid device name in /dev/mapper
|
pascal@341
|
41 # softraid= [RAID]
|
pascal@341
|
42 # root software device name in /dev/mapper
|
pascal@341
|
43 # lvmroot= [LVM]
|
pascal@341
|
44 # root logical volume name in /dev/mapper
|
pascal@341
|
45 # cryptoroot= [CRYPTO]
|
pascal@341
|
46 # encrypted root device using luks or loop-aes
|
pascal@341
|
47 #
|
pascal@418
|
48 ### Special mode used by loram flavor with aufs/overlayfs & squashfs
|
pascal@342
|
49 ### incremental/nested rootfs (russian dolls).
|
pascal@341
|
50 #
|
pascal@341
|
51 # rodev= [LORAM][MERGE]
|
pascal@341
|
52 # device (+ optional path) for the read only aufs branch
|
pascal@341
|
53 # rwdev= [LORAM][MERGE]
|
paul@351
|
54 # (persistent) device for the r/w aufs branch instead of the ramfs
|
pascal@341
|
55 # isofs [LORAM]
|
pascal@341
|
56 # do not use squashfs filesystem images, but the cdrom filesystem only
|
pascal@341
|
57
|
al@416
|
58
|
al@416
|
59 fail() {
|
al@416
|
60 echo -e '\033[70G[ \033[1;3'${1:-1mFailed}'\033[0;39m ]'
|
pascal@278
|
61 }
|
pascal@278
|
62
|
al@416
|
63
|
al@416
|
64 quit() {
|
al@416
|
65 [ -d /mnt$4/etc ] || return
|
pascal@430
|
66 grep -q serial /proc/ioports && ! grep -q ttyS /mnt$4/etc/inittab &&
|
pascal@430
|
67 echo "ttyS0::respawn:/sbin/getty 115200,38400,9600,4800,2400 ttyS0" \
|
pascal@430
|
68 >> /mnt$4/etc/inittab
|
pascal@427
|
69 [ -n "$4" ] || grep -q 'tmpfs /mnt tmpfs' /proc/mounts ||
|
pascal@427
|
70 busybox mount /mnt -o remount,ro
|
al@416
|
71 busybox mount --move /run /mnt/${1:-run}
|
al@416
|
72 cat > /run/init <<EOT
|
pascal@314
|
73 $2
|
pascal@314
|
74 x=/sbin/switch_root
|
pascal@314
|
75 [ -x \$x ] && exec \$x mnt $3 /sbin/init
|
pascal@276
|
76 EOT
|
al@416
|
77 fail 2mDone
|
al@416
|
78 exit
|
pascal@276
|
79 }
|
pascal@276
|
80
|
al@416
|
81
|
al@416
|
82 arg() {
|
al@416
|
83 grep -q $1 /proc/cmdline
|
pascal@276
|
84 }
|
pascal@276
|
85
|
al@416
|
86
|
al@416
|
87 got() {
|
pascal@447
|
88 arg $1= && root="$(sed "s/.*$1=\\([^ ]*\\).*/\\1/" </proc/cmdline)"
|
pascal@276
|
89 }
|
pascal@276
|
90
|
al@416
|
91
|
al@416
|
92 msg() {
|
al@416
|
93 echo "Switching / to $1..."
|
pascal@276
|
94 }
|
pascal@276
|
95
|
al@416
|
96
|
al@416
|
97 use() {
|
al@416
|
98 got $1 && msg "$1 $root"
|
pascal@276
|
99 }
|
pascal@276
|
100
|
al@416
|
101
|
pascal@450
|
102 bbmnt() {
|
pascal@474
|
103 local o=$(grep -q mntopts= /proc/cmdline && sed 's/.*mntopts=\([^ ]*\).*/-o \1/' </proc/cmdline)
|
pascal@472
|
104 r=$(busybox blkid 2> /dev/null | grep "$root[:\"]" | sed 's|:.*||;q')
|
pascal@470
|
105 r=${r:-$(busybox blkid $root 2> /dev/null | sed 's|:.*||;q')}
|
al@416
|
106 r=${r:-$root}
|
al@416
|
107 if [ ! -b $r ]; then
|
al@416
|
108 r=${r#/dev/}
|
al@416
|
109 r=/dev/${r%%/*}
|
al@416
|
110 fi
|
al@416
|
111 d=${root#*$r}
|
pascal@474
|
112 t=$(busybox blkid $r 2> /dev/null | sed '/ TYPE=/!d;s/.* TYPE="/-t /;s/".*//')
|
pascal@474
|
113 busybox mount $o $r $1 $t
|
pascal@450
|
114 }
|
pascal@450
|
115
|
pascal@450
|
116
|
pascal@450
|
117 mnt() {
|
pascal@450
|
118 bbmnt $1 && return
|
al@416
|
119 w=$(cat /sys/module/usb_storage/parameters/delay_use)
|
al@416
|
120 w=$((1+${w:-2}))
|
pascal@450
|
121 echo "Sleep $w seconds..."
|
al@416
|
122 sleep $w
|
pascal@450
|
123 bbmnt $1
|
pascal@314
|
124 }
|
pascal@314
|
125
|
al@416
|
126
|
al@416
|
127 mod() {
|
al@416
|
128 for i in $@; do
|
pascal@465
|
129 grep -q "^$i\\W" /proc/modules && continue
|
pascal@465
|
130 grep -q "\\W$i\$" /proc/filesystems && continue
|
al@416
|
131 echo "Loading module: $i"
|
pascal@451
|
132 modprobe $i 2>/dev/null ||
|
pascal@464
|
133 for j in $(find /lib/modules /mnt/.fs*/lib/modules|sed "/\/$i.ko/!d" 2> /dev/null); do
|
pascal@451
|
134 busybox insmod $j && break
|
pascal@451
|
135 done
|
al@416
|
136 done
|
pascal@314
|
137 }
|
pascal@314
|
138
|
al@416
|
139
|
al@416
|
140 try() {
|
al@416
|
141 if [ ! -d /mnt/etc ] && got cryptoroot; then
|
al@416
|
142 mod dm-mod dm-crypt aes-256
|
al@416
|
143 d=${root#/dev/}
|
al@416
|
144 l=crypto-$d
|
al@416
|
145 if cryptsetup isLuks $root 2>/dev/null; then
|
al@416
|
146 cryptsetup luksOpen $root $l
|
al@416
|
147 else
|
al@416
|
148 read -st 60 -p "Pass phrase : " p
|
al@416
|
149 k=$(echo $p|hashalot -x -n 32 sha512)
|
al@416
|
150 echo 0 $(cat $(find /sys/block|grep /$d/size))\
|
al@416
|
151 crypt aes-plain $k 0 $root 0|dmsetup create $l
|
al@416
|
152 fi
|
al@416
|
153 busybox mount /dev/mapper/$l /mnt
|
pascal@314
|
154 fi
|
al@416
|
155 got subroot && return
|
al@416
|
156 got loopfs && return
|
al@416
|
157 if [ -d /mnt/etc ]; then
|
al@416
|
158 for i in $@; do
|
al@416
|
159 cp -a $i /mnt$(dirname $i)
|
al@416
|
160 done
|
al@416
|
161 quit
|
al@416
|
162 fi
|
al@416
|
163 fail
|
pascal@314
|
164 }
|
pascal@314
|
165
|
al@416
|
166
|
al@416
|
167 lvm() {
|
al@416
|
168 use lvmroot || return
|
al@416
|
169 mod dm-mod
|
al@416
|
170 vgscan --ignorelockingfailure
|
al@416
|
171 vgchange -ay --ignorelockingfailure
|
al@416
|
172 busybox mount /dev/mapper/$root /mnt
|
al@416
|
173 try /dev/mapper $1
|
pascal@314
|
174 }
|
pascal@314
|
175
|
al@416
|
176
|
al@416
|
177 ldraid() {
|
al@416
|
178 while read l; do
|
al@416
|
179 case "$l" in
|
al@416
|
180 *raid10*) mod raid10;;
|
al@416
|
181 *raid0*) mod raid0;;
|
al@416
|
182 *raid1*) mod raid1;;
|
al@416
|
183 *raid*) mod raid456;;
|
al@416
|
184 *mirror*) mod dm-mirror;;
|
al@416
|
185 esac
|
al@416
|
186 done
|
pascal@276
|
187 }
|
pascal@276
|
188
|
al@416
|
189
|
pascal@469
|
190 mntiso() {
|
pascal@469
|
191 umnt=
|
pascal@469
|
192 if got mount; then
|
pascal@469
|
193 dev=$root
|
pascal@469
|
194 x=$(busybox blkid|grep $dev|sed 's/:.*//;q')
|
pascal@469
|
195 root=${x:-$dev}
|
pascal@469
|
196 [ "$dev" = "$root" ] || dev="$root ($dev)"
|
pascal@469
|
197 echo "Mount $dev..."
|
pascal@469
|
198 mnt $1
|
pascal@469
|
199 umnt=" $umnt $1"
|
pascal@469
|
200 arg posixovl && echo "And posixovl..." && umnt=" $umnt $1" &&
|
pascal@469
|
201 mount.posixovl -F $1 -- -oallow_other -odefault_permissions -osuid
|
pascal@469
|
202 fi
|
pascal@469
|
203 got loopfs && echo "Into file $root..." && umnt=" $umnt $1" &&
|
pascal@469
|
204 losetup /dev/loop0 $1/$root && root=/dev/loop0 && mnt $1
|
pascal@469
|
205 [ -z "$umnt" ] && mnt $1
|
pascal@469
|
206 got bindfs && echo "Bind ${root/,/ to }..." &&
|
pascal@469
|
207 busybox mount --bind $1/${root%,*} $1/${root/,//}
|
pascal@469
|
208 true
|
pascal@469
|
209 }
|
pascal@469
|
210
|
al@416
|
211
|
al@416
|
212
|
al@416
|
213 if [ "$1" != 'log' ]; then
|
al@373
|
214 busybox mount -t proc proc /proc
|
al@373
|
215 busybox mount -t sysfs sys /sys
|
al@373
|
216 busybox mount -t tmpfs tmpfs /run
|
pascal@314
|
217 x=/sbin/init; echo "[ -x $x ] && exec $x" >/run/init
|
pascal@314
|
218 $0 log 2>&1 | tee /run/boot.log
|
pascal@410
|
219 busybox umount /sys
|
al@373
|
220 busybox umount /proc
|
pascal@310
|
221 . /run/init
|
pascal@314
|
222 sh
|
pascal@314
|
223 fi
|
al@416
|
224
|
pascal@459
|
225 mdev -s 2> /dev/null ||
|
pascal@410
|
226 for i in /sys/block/*/dev /sys/block/*/*/dev ; do
|
pascal@411
|
227 [ -s "$i" ] || continue
|
pascal@410
|
228 n=${i%/dev}
|
pascal@410
|
229 n=/dev/${n##*/}
|
pascal@410
|
230 [ -e $n ] && continue
|
pascal@410
|
231 echo "Create $n "
|
pascal@410
|
232 mknod $n b $(sed 's/:/ /' < $i)
|
pascal@410
|
233 done
|
al@416
|
234
|
pascal@341
|
235 got modprobe && mod ${root//,/ }
|
al@416
|
236
|
pascal@384
|
237 [ -d /proc/sys/dev/cdrom ] &&
|
al@393
|
238 ln -s $(sed '/name/!d;s/.*:[^a-z]*//' /proc/sys/dev/cdrom/info) /dev/cdrom
|
al@416
|
239
|
pascal@472
|
240 dev=$(busybox fdisk -l|awk '/sectors/{d=$2}/SliTaz persistent \/home/{print d $1;quit}'|sed 's|:||')
|
pascal@472
|
241 if got root && [ "$dev" -a "$root" == "/dev/null" ]; then
|
pascal@472
|
242 busybox blkid $dev | grep -q TYPE= || mkfs.vfat $dev
|
pascal@472
|
243 mount $dev /home && case $(busybox blkid $dev) in
|
pascal@472
|
244 *vfat*|*exfat*|*ntfs*)
|
pascal@472
|
245 mount.posixovl -F /home -- -oallow_other -odefault_permissions -osuid
|
pascal@472
|
246 esac
|
pascal@472
|
247 fs=/home/boot/rootfs.gz; [ -s $fs ] && (zcat $fs || unlzma < $fs || cat $fs) | cpio -idmu
|
pascal@472
|
248 [ -d /init.d ] && for i in /init.d/* ; do [ -x $i ] && . $i ; done
|
pascal@472
|
249 fi 2>&1 >/dev/null
|
pascal@472
|
250
|
al@393
|
251 if use dmraid; then
|
al@393
|
252 dmraid -s | sed '/^type/!ds/.*: *//' | ldraid
|
pascal@314
|
253 [ ${root:0:4} = /dev ] ||
|
al@393
|
254 root=/dev/mapper/$(dmraid -s|sed '/^name/!ds/.*: *//')p${root#p}
|
pascal@314
|
255 dmraid -ay
|
pascal@314
|
256 fi
|
pascal@399
|
257 use raiddev && raiddev="DEVICE ${root//,/ }"
|
pascal@399
|
258 use raidmail && raidmail="MAILADDR $root"
|
al@393
|
259 if use softraid; then
|
pascal@418
|
260 for i in 1 2 3 4 5 6 7 8 9; do
|
pascal@418
|
261 mdadm -E -s -c partitions > /etc/mdadm.conf
|
pascal@418
|
262 grep -qs " $root " /etc/mdadm.conf && break
|
pascal@418
|
263 sleep $i
|
pascal@418
|
264 done
|
pascal@399
|
265 [ "$raiddev" ] && echo "$raiddev" >> /etc/mdadm.conf
|
pascal@399
|
266 [ "$raidmail" ] && echo "$raidmail" >> /etc/mdadm.conf
|
al@393
|
267 grep level=raid /etc/mdadm.conf | ldraid
|
pascal@452
|
268 udevd --daemon
|
pascal@452
|
269 udevadm trigger
|
pascal@452
|
270 udevadm settle
|
al@393
|
271 for i in 1 2 3 4 5 6 7 8 9; do
|
al@393
|
272 sleep $i
|
pascal@314
|
273 mdadm -A -s
|
pascal@452
|
274 for j in $(sed '/\/md/!d;s|.*md/*\([0-9]*\).*|md\1|' \
|
pascal@452
|
275 /etc/mdadm.conf); do
|
pascal@452
|
276 grep -qs "$j : act" /proc/mdstat || continue 2
|
pascal@452
|
277 done
|
pascal@452
|
278 break
|
pascal@314
|
279 done
|
pascal@419
|
280 grep -qs "^$(basename $root) : act" /proc/mdstat ||
|
pascal@418
|
281 root=$(awk '/^md/ { print "/dev/" $1; exit }' < /proc/mdstat)
|
pascal@323
|
282 lvm /etc/mdadm.conf
|
pascal@314
|
283 fi
|
pascal@323
|
284 lvm
|
al@416
|
285
|
pascal@469
|
286 got extra && extra=$root && mntiso /mnt && for i in ${extra//,/ }; do
|
pascal@471
|
287 grep -q ' lm ' /proc/cpuinfo && [ -s /mnt/${i}64 ] && i=${i}64
|
pascal@471
|
288 (unlzma < /mnt/$i 2>/dev/null || zcat /mnt/$i 2>/dev/null || cat /mnt/$i) | cpio -idmu
|
pascal@469
|
289 done && for i in $umnt; do umount -l $i; done
|
pascal@323
|
290 arg cryptoroot= && try
|
al@393
|
291 if use subroot; then
|
al@393
|
292 cp $(LD_TRACE_LOADED_OBJECTS=1 /lib/ld*.so /usr/sbin/chroot | sed\
|
pascal@314
|
293 's|.*=> \(/lib/l[^ ]*\).*|\1|;/^\//!d') /usr/sbin/chroot /run
|
pascal@314
|
294 r=$root/run
|
pascal@314
|
295 quit $r "export LD_LIBRARY_PATH=$r:/lib"\
|
pascal@323
|
296 "$root$(ls /run/ld-*so) $r/chroot $root" "/$root"
|
pascal@314
|
297 fi
|
pascal@321
|
298 quit
|
pascal@314
|
299 msg tmpfs
|
pascal@314
|
300 root=100
|
pascal@314
|
301 got tmpram
|
pascal@314
|
302 r=$root
|
pascal@464
|
303 got rootfsinodes && inodes=",nr_inodes=$root"
|
pascal@314
|
304 root=90%
|
pascal@314
|
305 got rootfssize
|
pascal@314
|
306 [ $(busybox free|busybox awk '/Mem:/{print int(($4*100)/$3)}') -ge $r ] &&
|
pascal@464
|
307 busybox mount -t tmpfs -o size=$root$inodes tmpfs /mnt &&
|
pascal@462
|
308 export PATH=/mnt/bin:$PATH &&
|
pascal@462
|
309 for i in $(ls -a /); do
|
al@416
|
310 case "$i" in
|
al@416
|
311 .*|cdrom) ;;
|
pascal@463
|
312 mnt|proc|run|sys) mkdir /mnt/$i;;
|
pascal@463
|
313 dev) cp -a /$i /mnt;;
|
pascal@463
|
314 *) mv /$i /mnt; ln -s /mnt/$i / 2> /dev/null ||
|
pascal@463
|
315 LD_LIBRARY_PATH=/mnt/lib:/mnt/usr/lib:/lib:/usr/lib \
|
pascal@463
|
316 /mnt/lib/ld-linux.so.2 /mnt/bin/ln -s /mnt/$i /;;
|
al@416
|
317 esac
|
al@416
|
318 done || fail 3mSkipped
|
pascal@314
|
319 quit
|
pascal@465
|
320 mod squashfs 2>/dev/null || exit
|
pascal@314
|
321 msg aufs
|
pascal@314
|
322 br=/mnt/.rw
|
pascal@402
|
323 mkdir $br /mnt/.wd
|
pascal@314
|
324 got rwdev && mnt $br && br=$br$d
|
pascal@314
|
325 o=
|
pascal@314
|
326 p=
|
pascal@314
|
327 c=/mnt/.cdrom
|
al@393
|
328 if [ -z "$(ls /mnt/rootfs* 2>/dev/null)" ]; then
|
al@393
|
329 root=/dev/cdrom/fs
|
pascal@314
|
330 got rodev
|
pascal@314
|
331 mkdir -p $c /mnt$c /mnt/.rw$c
|
pascal@469
|
332 mntiso $c
|
pascal@314
|
333 o="-o 124"
|
pascal@314
|
334 p=/.cdrom/boot
|
pascal@318
|
335 c=$c$d
|
pascal@276
|
336 fi
|
pascal@314
|
337 l=0
|
pascal@314
|
338 r=
|
pascal@402
|
339 got isofs && r=:$c || for i in /mnt$p/rootfs?*.gz; do
|
al@393
|
340 fs=${i#*root}
|
pascal@314
|
341 r=$r:/mnt/.$fs
|
pascal@314
|
342 mkdir -p /mnt/.rw/mnt/.$fs /mnt/.$fs
|
pascal@469
|
343 losetup $o /dev/loop$((++l)) $i
|
pascal@469
|
344 busybox mount -o ro -t squashfs /dev/loop$l /mnt/.$fs
|
pascal@276
|
345 done
|
pascal@402
|
346 while read type opt; do
|
pascal@465
|
347 mod $type || continue
|
pascal@464
|
348 busybox mount -t $type -o $opt none /mnt && break
|
pascal@402
|
349 done <<EOT
|
pascal@402
|
350 aufs br=$br$r
|
pascal@402
|
351 overlayfs workdir=/mnt/.wd${r/:/,lowerdir=},upperdir=$br
|
pascal@402
|
352 EOT
|
pascal@314
|
353 quit
|