X-Git-Url: https://git.rohieb.name/openwrt.git/blobdiff_plain/4d3589325b1a1e142af7318e43a54f90ad5a9837..31cf56048402561caa5a5d70ef40c8fefefb69f0:/package/base-files/files/etc/preinit?ds=sidebyside

diff --git a/package/base-files/files/etc/preinit b/package/base-files/files/etc/preinit
index c60a0f850..85dbf314d 100755
--- a/package/base-files/files/etc/preinit
+++ b/package/base-files/files/etc/preinit
@@ -1,6 +1,60 @@
 #!/bin/sh
 # Copyright (C) 2006 OpenWrt.org
 export PATH=/bin:/sbin:/usr/bin:/usr/sbin
-[ -e /etc/preinit.arch ] && . /etc/preinit.arch
-mount_root ${FAILSAFE:+failsafe}
+. /etc/diag.sh
+
+failsafe() {
+	lock /tmp/.failsafe
+	ash --login
+}
+
+mount none /proc -t proc
+mount none /sys  -t sysfs
+
+size=$(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
+
+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
+
+mkdir -p /dev/pts /dev/shm
+mount none /dev/pts -t devpts
+
+# 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