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-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 d1a6ffd549..85dbf314d3 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