| # 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 |
| |
| from autotest_lib.server.cros.faftsequence import FAFTSequence |
| |
| |
| class firmware_ECCorruptFwSigA(FAFTSequence): |
| """ |
| Servo based EC signature A corruption test. |
| """ |
| version = 1 |
| |
| |
| def ensure_fw_a_boot(self): |
| """Ensure EC firmware A boot this time. |
| |
| If not, it may be a test failure during step 2 or 3, try to recover to |
| firmware A boot by recovering the firmware and rebooting. |
| """ |
| if not self.ec_act_copy_checker('A'): |
| self.run_faft_step({ |
| 'userspace_action': (self.faft_client.run_shell_command, |
| 'chromeos-firmwareupdate --mode recovery'), |
| 'reboot_action': (self.sync_and_ec_reboot) |
| }) |
| |
| |
| def setup(self, dev_mode=False): |
| super(firmware_ECCorruptFwSigA, self).setup() |
| self.setup_dev_mode(dev_mode) |
| self.ensure_fw_a_boot() |
| |
| |
| def cleanup(self): |
| self.ensure_fw_a_boot() |
| super(firmware_ECCorruptFwSigA, self).cleanup() |
| |
| |
| def run_once(self, host=None): |
| self.register_faft_sequence(( |
| { # Step 1, corrupt firmware signature A |
| 'state_checker': (self.ec_act_copy_checker, 'A'), |
| 'userspace_action': (self.faft_client.corrupt_EC, 'a'), |
| 'reboot_action': (self.sync_and_ec_reboot), |
| }, |
| { # Step 2, expected firmware B boot and restore firmware A |
| 'state_checker': (self.ec_act_copy_checker, 'B'), |
| 'userspace_action': (self.faft_client.restore_EC, 'a'), |
| 'reboot_action': (self.sync_and_ec_reboot), |
| }, |
| { # Step 3, expected firmware A boot, done |
| 'state_checker': (self.ec_act_copy_checker, 'A'), |
| }, |
| )) |
| self.run_faft_sequence() |
