diff options
| -rw-r--r-- | utility/Makefile | 5 | ||||
| -rwxr-xr-x | utility/enable_dev_usb_boot | 38 |
2 files changed, 43 insertions, 0 deletions
diff --git a/utility/Makefile b/utility/Makefile index f3808987..68e09413 100644 --- a/utility/Makefile +++ b/utility/Makefile @@ -42,6 +42,7 @@ TARGET_NAMES = $(AU_TARGETS) \ dev_make_keypair \ dev_sign_file \ dev_debug_vboot \ + enable_dev_usb_boot \ vbutil_what_keys ifeq ($(MINIMAL),) @@ -165,6 +166,10 @@ ${BUILD_ROOT}/dev_debug_vboot: dev_debug_vboot cp -f $< $@ chmod +x $@ +${BUILD_ROOT}/enable_dev_usb_boot: enable_dev_usb_boot + cp -f $< $@ + chmod +x $@ + ${BUILD_ROOT}/vbutil_what_keys: vbutil_what_keys cp -f $< $@ chmod +x $@ diff --git a/utility/enable_dev_usb_boot b/utility/enable_dev_usb_boot new file mode 100755 index 00000000..8cf16bab --- /dev/null +++ b/utility/enable_dev_usb_boot @@ -0,0 +1,38 @@ +#!/bin/sh +# Copyright (c) 2012 The Chromium OS Authors. All rights reserved. +# Use of this source code is governed by a BSD-style license that can be +# found in the LICENSE file. + +alert() { + echo "$*" >&2 +} + +die() { + alert "ERROR: $*" + exit 1 +} + +case "$(crossystem fwid 2>/dev/null || true)" in + Mario.* ) + die "Sorry, your platform does not support booting from USB." + ;; + + Alex.* | ZGB.* ) + # For these legacy platforms, we need to re-flash firmware to get USB boot. + chromeos-firmwareupdate --mode=todev || die "Failed to enable USB boot." + ;; + + "" ) + die "Sorry, your firmware does not look like ChromeOS firmware." + ;; + + * ) + crossystem dev_boot_usb=1 2>/dev/null || die "Failed to enable USB boot." + echo " + SUCCESS: Booting any self-signed kernel from SSD/USB/SDCard slot is enabled. + + Insert bootable media into USB / SDCard slot and press Ctrl-U in developer + screen to boot your self-signed image. + " + ;; +esac |