| # 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. |
| |
| import logging |
| |
| from autotest_lib.server.cros.faftsequence import FAFTSequence |
| |
| |
| class firmware_SoftwareSync(FAFTSequence): |
| """ |
| Servo based EC software sync test. |
| """ |
| version = 1 |
| |
| |
| def ensure_fw_a_boot(self): |
| """Ensure firmware A boot this time.""" |
| if not self.crossystem_checker({'mainfw_act': 'A', 'tried_fwb': '0'}): |
| self.run_faft_step({ |
| 'userspace_action': (self.faft_client.run_shell_command, |
| 'chromeos-firmwareupdate --mode recovery') |
| }) |
| |
| |
| def ensure_rw(self): |
| """Ensure firmware A is not in RO-normal mode.""" |
| flags = self.faft_client.get_firmware_flags('a') |
| if flags & self.PREAMBLE_USE_RO_NORMAL: |
| flags = flags ^ self.PREAMBLE_USE_RO_NORMAL |
| self.run_faft_step({ |
| 'userspace_action': (self.faft_client.set_firmware_flags, |
| ('a', flags)) |
| }) |
| |
| |
| def setup(self, dev_mode=False): |
| super(firmware_SoftwareSync, self).setup() |
| self.setup_dev_mode(dev_mode) |
| self.ensure_fw_a_boot() |
| self.ensure_rw() |
| |
| |
| def cleanup(self): |
| self.ensure_fw_a_boot() |
| super(firmware_SoftwareSync, self).cleanup() |
| |
| |
| def record_hash_and_corrupt(self): |
| self._ec_hash = self.faft_client.get_EC_firmware_sha() |
| logging.info("Stored EC hash: %s", self._ec_hash) |
| self.faft_client.corrupt_EC_body('rw') |
| |
| |
| def software_sync_checker(self): |
| ec_hash = self.faft_client.get_EC_firmware_sha() |
| logging.info("Current EC hash: %s", self._ec_hash) |
| if self._ec_hash != ec_hash: |
| return False |
| return self.ec_act_copy_checker('RW') |
| |
| |
| def run_once(self, host=None): |
| self.register_faft_sequence(( |
| { # Step 1, Corrupt EC firmware RW body |
| 'state_checker': (self.ec_act_copy_checker, 'RW'), |
| 'userspace_action': self.record_hash_and_corrupt, |
| 'reboot_action': self.sync_and_ec_reboot, |
| }, |
| { # Step 2, expect EC in RW and RW is restored |
| 'state_checker': self.software_sync_checker, |
| }, |
| )) |
| self.run_faft_sequence() |
