1 files changed, 106 insertions, 0 deletions
diff --git a/recipes/nslu2-binary-only/unslung-rootfs/linuxrc b/recipes/nslu2-binary-only/unslung-rootfs/linuxrc
new file mode 100755
index 0000000000..1500779280
--- /dev/null
+++ b/recipes/nslu2-binary-only/unslung-rootfs/linuxrc
@@ -0,0 +1,106 @@
+#!/bin/sh
+
+NC_SLUGIP="192.168.1.77"
+NC_TARGIP="192.168.1.100"
+
+if ( [ -f "/.nc" ] ) ; then
+  if ( [ -z "$RERUN" ] ) ; then
+    /bin/echo " DEBUG: Starting network console from flash ..."
+    . /.nc
+    /bin/echo "Insmod ixp400"
+    /sbin/insmod ixp400.o
+    /bin/echo "Insmod ixp425"
+    /sbin/insmod ixp425_eth.o
+    /sbin/ifconfig ixp0 $NC_SLUGIP
+    /bin/echo "Insmod netconsole"
+    /sbin/insmod netconsole.o target_ipaddr=$NC_TARGIP
+    /bin/echo "Redirecting output via nc and restarting /linuxrc ..."
+    export RERUN=1
+    exec /linuxrc 2>&1 | tee /dev/console | /usr/bin/nc $NC_TARGIP 6666
+  fi
+fi
+
+# ****  DO NOT EVEN THINK OF EDITING OR REMOVING THIS FILE  ****
+# **** UNLESS YOU REALLY KNOW *EXACTLY* WHAT YOU ARE DOING. ****
+
+
+# Perform prepatory tasks, and determine whether an alternate rootfs is viable.
+
+/bin/mount -t proc proc /proc
+
+/bin/echo "1" > /proc/sys/kernel/panic
+
+if ( ! [ -f /.nodisk ] ) ; then
+
+  /bin/echo "Sleeping while waiting for disk..."
+  cnt=20
+  while [ $cnt -gt 0 ] ; do
+    /bin/echo -ne "\r$cnt "
+    /bin/sleep 1
+    [ -e /.sda1root -a -f /proc/hdd_sda ] && cnt=0
+    [ -e /.sdb1root -a -f /proc/hdd_sdb ] && cnt=0
+    cnt=`expr $cnt - 1`
+  done
+  /bin/echo
+
+  if [ -e /.fastdisk ] ; then
+    /bin/sleep 5
+  else
+    /bin/sleep 15
+  fi
+
+  mounted=
+
+  for prefroot in sda1 sdb1 ; do
+    if [ -z "$mounted" -a -e /.${prefroot}root ] ; then
+      if /bin/mount -rt ext3 /dev/$prefroot /mnt ; then
+        if [ -e /mnt/.${prefroot}root -a -x /mnt/bin/init ] ; then
+          /bin/echo "Root filesystem will be mounted from /dev/$prefroot ..."
+          mounted=/mnt
+        else
+          /bin/umount /mnt
+          /bin/echo "Can't find valid rootfs on /dev/$prefroot ..."
+        fi
+      fi
+    fi
+  done
+
+  if [ -z "$mounted" ] ; then
+    /bin/echo "Can't find valid rootfs, using ramdisk ..."
+    mounted=
+  fi
+
+  /bin/umount /proc
+
+  # Pivot to the desired rootfs and run the initial executable.
+
+  if [ -n "$mounted" ] ; then
+
+      cd $mounted
+
+      /bin/echo "Pivoting to external rootfs ..."
+      /sbin/pivot_root . initrd
+
+      if ( [ -z "$RERUN" ] ) ; then
+        exec /usr/sbin/chroot . /bin/init < /dev/console 1> /dev/console 2> /dev/console
+      else
+        exec /usr/sbin/chroot . /bin/init
+      fi
+  else
+
+      exec /bin/init
+
+  fi
+
+  /bin/echo "Can't pivot to external rootfs, using ramdisk ..."
+
+else
+  /bin/echo "Forced boot to internal flash ..."
+  /bin/echo "(One-time only, clearing forced boot flag file.)"
+  /bin/rm -f /.nodisk
+fi
+
+exec /bin/init
+
+# Last-resort fall-back - this should never be reached.
+/bin/sh