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 6alert() { 7 echo "$*" >&2 8} 9 10die() { 11 alert "ERROR: $*" 12 exit 1 13} 14 15case "$(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 ;; 38esac 39