| # Copyright (c) 2011 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. |
| |
| import logging |
| import time |
| |
| from autotest_lib.server.cros import vboot_constants as vboot |
| from autotest_lib.server.cros.faft.firmware_test import FirmwareTest |
| |
| |
| class firmware_RecoveryButton(FirmwareTest): |
| """ |
| Servo based recovery button test. |
| |
| This test requires a USB disk plugged-in, which contains a Chrome OS test |
| image (built by "build_image --test"). On runtime, this test emulates |
| recovery button pressed and reboots. It then triggers recovery mode in |
| two cases: (1) plug in the USB disk before power-on (2) plug in the USB |
| disk after power-on, ideally around the time when INSERT screen shows up. |
| Both cases should lead to successful recovery boot. |
| """ |
| version = 1 |
| |
| def ensure_normal_boot(self): |
| """Ensure normal mode boot this time. |
| |
| If not, it may be a test failure during step 2, try to recover to |
| normal mode by setting no recovery mode and rebooting the machine. |
| """ |
| if not self.checkers.crossystem_checker({ |
| 'mainfw_type': ('normal', 'developer') |
| }): |
| self.servo.disable_recovery_mode() |
| self.switcher.mode_aware_reboot() |
| |
| def check_recovery_state(self): |
| """Check if this is a recovery boot.""" |
| self.check_state((self.checkers.crossystem_checker, { |
| 'mainfw_type': |
| 'recovery', |
| 'recovery_reason': |
| vboot.RECOVERY_REASON['RO_MANUAL'], |
| })) |
| |
| def initialize(self, host, cmdline_args, dev_mode=False, ec_wp=None): |
| super(firmware_RecoveryButton, self).initialize( |
| host, cmdline_args, ec_wp=ec_wp) |
| self.switcher.setup_mode('dev' if dev_mode else 'normal') |
| self.setup_usbkey(usbkey=True, host=False) |
| |
| def cleanup(self): |
| try: |
| self.ensure_normal_boot() |
| except Exception as e: |
| logging.error("Caught exception: %s", str(e)) |
| super(firmware_RecoveryButton, self).cleanup() |
| |
| def run_once(self, dev_mode=False): |
| """Runs a single iteration of the test.""" |
| logging.info("Reboot to recovery mode with the USB stick plugged.") |
| self.check_state((self.checkers.crossystem_checker, { |
| 'mainfw_type': 'developer' if dev_mode else 'normal', |
| })) |
| self.switcher.reboot_to_mode( |
| to_mode='rec', from_mode='dev' if dev_mode else 'normal') |
| |
| logging.info("Expect a recovery boot from the USB stick.") |
| self.check_recovery_state() |
| |
| logging.info("Power off, unplug the USB stick and reboot to rec mode.") |
| self.switcher.enable_rec_mode_and_reboot(usb_state='host') |
| |
| logging.info("Plug in the USB stick after a delay") |
| time.sleep(self.faft_config.firmware_screen) |
| self.servo.switch_usbkey('dut') |
| logging.info("Expect a recovery boot from the USB stick.") |
| self.switcher.wait_for_client() |
| self.check_recovery_state() |
| |
| logging.info("Reboot and then expected normal/dev boot.") |
| self.switcher.mode_aware_reboot() |
| is_jetstream = self.faft_config.mode_switcher_type == \ |
| 'jetstream_switcher' |
| self.check_state((self.checkers.crossystem_checker, { |
| 'mainfw_type': |
| 'developer' if dev_mode and not is_jetstream else 'normal', |
| })) |
