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authormbm <mbm@3c298f89-4303-0410-b956-a3cf2f4a3e73>2007-05-31 12:09:08 +0000
committermbm <mbm@3c298f89-4303-0410-b956-a3cf2f4a3e73>2007-05-31 12:09:08 +0000
commit3fef5a6916d329dad1314e4aafef466010734829 (patch)
tree55ad21f039b3e97782606d87d6eaf0926045d93a /package/base-files/files/etc
parent3bc4300361087b128cd894f4ad1c93bfa760aab0 (diff)
mount_root should only mount the root
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@7418 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'package/base-files/files/etc')
-rwxr-xr-xpackage/base-files/files/etc/preinit47
1 files changed, 42 insertions, 5 deletions
diff --git a/package/base-files/files/etc/preinit b/package/base-files/files/etc/preinit
index d1a6ffd54..85dbf314d 100755
--- 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
-[ -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