| # 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. |
| |
| from autotest_lib.server.cros.faftsequence import FAFTSequence |
| |
| |
| class firmware_CorruptFwSigB(FAFTSequence): |
| """ |
| Servo based firmware signature B corruption test. |
| """ |
| version = 1 |
| |
| |
| def setup(self, dev_mode=False): |
| super(firmware_CorruptFwSigB, self).setup() |
| self.backup_firmware() |
| self.setup_dev_mode(dev_mode) |
| self.setup_usbkey(usbkey=False) |
| |
| |
| def cleanup(self): |
| self.restore_firmware() |
| super(firmware_CorruptFwSigB, self).cleanup() |
| |
| |
| def run_once(self): |
| self.register_faft_sequence(( |
| { # Step 1, expected firmware A boot and corrupt firmware |
| # signature B. |
| 'state_checker': (self.checkers.crossystem_checker, { |
| 'mainfw_act': 'A', |
| 'tried_fwb': '0', |
| }), |
| 'userspace_action': (self.faft_client.bios.corrupt_sig, 'b'), |
| }, |
| { # Step 2, expected firmware A boot and set try_fwb flag |
| 'state_checker': (self.checkers.crossystem_checker, { |
| 'mainfw_act': 'A', |
| 'tried_fwb': '0', |
| }), |
| 'userspace_action': self.faft_client.system.set_try_fw_b, |
| }, |
| { # Step 3, expected firmware A boot and restore firmware B |
| 'state_checker': (self.checkers.crossystem_checker, { |
| 'mainfw_act': 'A', |
| 'tried_fwb': '1', |
| }), |
| 'userspace_action': (self.faft_client.bios.restore_sig, 'b'), |
| }, |
| { # Step 4, final check and done |
| 'state_checker': (self.checkers.crossystem_checker, { |
| 'mainfw_act': 'A', |
| 'tried_fwb': '0', |
| }), |
| }, |
| )) |
| self.run_faft_sequence() |
