mount_root should only mount the root

[openwrt/svn-archive/archive.git] / package / base-files / files / etc / preinit

diff --git a/package/base-files/files/etc/preinit b/package/base-files/files/etc/preinit
index d1a6ffd549d3572d14d6abb648e21d2357cc31af..85dbf314d34632b84f1327f2d27cd30da109de35 100755 (executable)
--- a/package/base-files/files/etc/preinit
+++ b/package/base-files/files/etc/preinit
@@ -11,13 +11,50 @@ failsafe() {
 mount none /proc -t proc
 mount none /sys  -t sysfs
 
 mount none /proc -t proc
 mount none /sys  -t sysfs
 

-[ -e /etc/preinit.arch ] && . /etc/preinit.arch
+size=$(awk '/MemTotal:/ {l=5242880;mt=($2*1024);print((s=mt/2)<l)?mt-l:s}' /proc/meminfo)
+mount none /tmp -t tmpfs -o size=$size,nosuid,nodev,mode=1777

 
 

-set_state preinit
+if grep devfs /proc/filesystems > /dev/null; then
+       mount none /dev -t devfs
+       M0=/dev/pty/m0
+       M1=/dev/pty/m1
+       HOTPLUG=/sbin/hotplug-call
+else
+       mount -t tmpfs tmpfs /dev -o size=512K
+       mknod /dev/console c 5 1
+       mkdir /dev/shm
+       /sbin/hotplug2 --no-persistent --coldplug --set-rules-file /etc/hotplug2-init.rules
+       M0=/dev/ptmx
+       M1=/dev/ptmx
+       HOTPLUG=
+fi

 
 

-mount_root ${FAILSAFE:+failsafe}
+mkdir -p /dev/pts /dev/shm
+mount none /dev/pts -t devpts

 
 

-eval ${FAILSAFE:+failsafe}
-lock -w /tmp/.failsafe
+# the shell really doesn't like having stdin/out closed
+# that's why we use /dev/pty/m0 and m1 as replacement
+# for /dev/console if there's no serial console available
+dd if=/dev/console of=/dev/null bs=1 count=0 >/dev/null 2>/dev/null && {
+       M0=/dev/console
+       M1=/dev/console
+}
+
+exec <$M0 >$M1 2>&0
+
+{
+       echo "- preinit -"
+       [ -e /etc/preinit.arch ] && . /etc/preinit.arch
+       set_state preinit
+
+       echo "$HOTPLUG" > /proc/sys/kernel/hotplug
+
+       eval ${FAILSAFE:+failsafe}
+       lock -w /tmp/.failsafe
+
+       mount_root
+
+       echo "- init -"
+} | tee /tmp/preinit.log

 
 exec /sbin/init
 
 exec /sbin/init