Home | History | Annotate | Download | only in utility
      1 #!/bin/sh
      2 # Copyright (c) 2012 The Chromium OS Authors. All rights reserved.
      3 # Use of this source code is governed by a BSD-style license that can be
      4 # found in the LICENSE file.
      5 
      6 alert() {
      7   echo "$*" >&2
      8 }
      9 
     10 die() {
     11   alert "ERROR: $*"
     12   exit 1
     13 }
     14 
     15 case "$(crossystem fwid 2>/dev/null || true)" in
     16   Mario.* )
     17     die "Sorry, your platform does not support booting from USB."
     18     ;;
     19 
     20   Alex.* | ZGB.* )
     21     # For these legacy platforms, we need to re-flash firmware to get USB boot.
     22     chromeos-firmwareupdate --mode=todev || die "Failed to enable USB boot."
     23     ;;
     24 
     25   "" )
     26     die "Sorry, your firmware does not look like ChromeOS firmware."
     27     ;;
     28 
     29   * )
     30     crossystem dev_boot_usb=1 2>/dev/null || die "Failed to enable USB boot."
     31     echo "
     32     SUCCESS: Booting any self-signed kernel from SSD/USB/SDCard slot is enabled.
     33 
     34     Insert bootable media into USB / SDCard slot and press Ctrl-U in developer
     35     screen to boot your self-signed image.
     36     "
     37     ;;
     38 esac
     39