[package] base-files: enable shell tracing in initscripts when INIT_TRACE is set
[openwrt.git] / package / base-files / files / sbin / mount_root
index a783f3d..2d73dac 100755 (executable)
@@ -1,54 +1,26 @@
 #!/bin/sh
-# Copyright (C) 2006 OpenWrt.org
-. /etc/functions.sh
+# Copyright (C) 2006-2010 OpenWrt.org
+# Copyright (C) 2010 Vertical Communications
 
-mount none /proc -t proc
+# Initialize hook variables et by pulling in from preinit
 
-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
+preinit_essential_hook=
+preinit_main_hook=
+failsafe_hook=
+initramfs_hook=
+preinit_mount_root=
 
-if grep devfs /proc/filesystems >/dev/null; then
-       mount none /dev -t devfs
-else
-       mount -t tmpfs tmpfs /dev -o size=512K
-       mknod /dev/console c 5 1
-       exec >/dev/console </dev/console 2>&1
-fi
+. /lib/functions/boot.sh
 
-mkdir /dev/shm
+for pi_source_file in /lib/preinit/*; do
+    . $pi_source_file
+done
 
-if grep sysfs /proc/filesystems >/dev/null; then
-       mount -t sysfs none /sys
-       HOTPLUG=""
-       # use a minimal ruleset only for creating device nodes
-       /sbin/hotplug2 --no-persistent --coldplug --set-rules-file /etc/hotplug2-init.rules
-else
-       HOTPLUG="/sbin/hotplug2-dnode"
-fi
-echo "$HOTPLUG" > /proc/sys/kernel/hotplug
+# Override function that doesn't apply to use of mount_root as a command rather
+# than as part of preinit
 
-mkdir -p /dev/pts
-mount none /dev/pts -t devpts
-
-jffs2_ready () {
-       mtdpart="$(find_mtd_part rootfs_data)"
-       magic=$(hexdump $mtdpart -n 4 -e '4/1 "%02x"')
-       [ "$magic" != "deadc0de" ]
+preinit_echo() {
+    echo "$@"
 }
 
-[ failsafe != "$1" ] && {
-       grep rootfs /proc/mtd >/dev/null 2>/dev/null && {
-               mtd unlock rootfs
-               grep rootfs_data /proc/mtd >/dev/null 2>/dev/null && {
-                       . /bin/firstboot
-                       jffs2_ready && {
-                               echo "switching to jffs2"
-                               mount "$(find_mtd_part rootfs_data)" /jffs -t jffs2
-                               fopivot /jffs /rom
-                       } || {
-                               echo "jffs2 not ready yet; using ramdisk"
-                               ramoverlay
-                       }
-               }
-       } || mount -o remount,rw /dev/root /
-}
+boot_run_hook preinit_mount_root