1 files changed, 92 insertions, 0 deletions

diff --git a/meta/recipes-core/initrdscripts/files/init-live.sh b/meta/recipes-core/initrdscripts/files/init-live.sh
new file mode 100644
index 0000000000..c96b1f47c3
--- /dev/null
+++ b/meta/recipes-core/initrdscripts/files/init-live.sh
@@ -0,0 +1,92 @@
+#!/bin/sh
+
+ROOT_MOUNT="/rootfs/"
+ROOT_IMAGE=rootfs.img
+MOUNT="/bin/mount"
+UMOUNT="/bin/umount"
+
+early_setup() {
+    mkdir /proc
+    mkdir /sys
+    mount -t proc proc /proc
+    mount -t sysfs sysfs /sys
+    udevd --daemon
+}
+
+read_args() {
+    [ -z "$CMDLINE" ] && CMDLINE=`cat /proc/cmdline`
+    for arg in $CMDLINE; do
+        optarg=`expr "x$arg" : 'x[^=]*=\(.*\)'`
+        case $arg in
+            root=*)
+                ROOT_DEVICE=$optarg ;;
+            rootfstype=*)
+                ROOT_FSTYPE=$optarg ;;
+            rootdelay=*)
+                rootdelay=$optarg ;;
+            LABEL=*)
+                label=$optarg ;;
+            video=*)
+                video_mode=$arg ;;
+            vga=*)
+                vga_mode=$arg ;;
+        esac
+    done
+}
+
+boot_live_root() {
+    killall udevd
+    cd $ROOT_MOUNT
+    exec switch_root -c /dev/console $ROOT_MOUNT /sbin/init
+}
+
+fatal() {
+    echo $1 >$CONSOLE
+    echo >$CONSOLE
+    exec sh
+}
+
+early_setup
+
+[ -z "$CONSOLE" ] && CONSOLE="/dev/console"
+
+read_args
+
+echo "Waiting for removable media..."
+while true
+do
+  for i in `ls /media 2>/dev/null`; do
+      if [ -f /media/$i/$ROOT_IMAGE ] ; then
+          found="yes"
+          break
+      fi
+  done
+  if [ "$found" = "yes" ]; then
+      break;
+  fi
+  sleep 1
+done
+
+case $label in
+    boot)
+        mkdir $ROOT_MOUNT
+        mknod /dev/loop0 b 7 0
+
+        if ! $MOUNT -o rw,loop,noatime,nodiratime /media/$i/$ROOT_IMAGE $ROOT_MOUNT ; then
+            fatal "Couldnt mount rootfs image"
+        else
+            boot_live_root
+        fi
+        ;;
+    install)
+        if [ -f /media/$i/$ROOT_IMAGE ] ; then
+            ./install.sh $i $ROOT_IMAGE $video_mode $vga_mode
+        else
+            fatal "Couldnt find install script"
+        fi
+
+        # If we're getting here, we failed...
+        fatal "Installation image failed"
+        ;;
+esac
+