Fix set_state preinit stuff

[openwrt/svn-archive/archive.git] / package / base-files / files / sbin / mount_root

diff --git a/package/base-files/files/sbin/mount_root b/package/base-files/files/sbin/mount_root
index 607877c643e43aaedb26a3469e55260305048702..eac4ef3968c3c3e864729b00fd0a6636dc980ec2 100755 (executable)
--- a/package/base-files/files/sbin/mount_root
+++ b/package/base-files/files/sbin/mount_root
@@ -2,20 +2,55 @@
 # Copyright (C) 2006 OpenWrt.org
 . /etc/functions.sh
 
-mount none /proc -t proc
-size=$(awk '/Mem:/ {l=5242880;print((s=$2/2)<l)?$2-l:s}' /proc/meminfo)
+size=$(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
 
-grep rootfs /proc/mtd >/dev/null 2>/dev/null && {
-       mtd unlock rootfs
+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 || \
+       exec <$M0 >$M1 2>&0
+
+echo "$HOTPLUG" > /proc/sys/kernel/hotplug
+
+jffs2_ready () {
+       mtdpart="$(find_mtd_part rootfs_data)"
+       magic=$(hexdump $mtdpart -n 4 -e '4/1 "%02x"')
+       [ "$magic" != "deadc0de" ]
+}
+
+[ failsafe != "$1" ] && {
        grep rootfs_data /proc/mtd >/dev/null 2>/dev/null && {
                . /bin/firstboot
-               echo "switching to jffs2"
-               mount "$(find_mtd_part rootfs_data)" /jffs -t jffs2
-               fopivot /jffs /rom
+               mtd unlock rootfs_data
+               jffs2_ready && {
+                       echo "switching to jffs2"
+                       mount "$(find_mtd_part rootfs_data)" /jffs -t jffs2 && \
+                               fopivot /jffs /rom
+               } || {
+                       echo "jffs2 not ready yet; using ramdisk"
+                       ramoverlay
+               }
+       } || {
+               mtd unlock rootfs
+               mount -o remount,rw /dev/root /
        }
-} || mount -o remount,rw /dev/root /
-
-mkdir -p /dev/pts
-mount none /dev/pts -t devpts
-grep sysfs /proc/filesystems >/dev/null && mount -t sysfs none /sys 2>&-
+}