blob: 15d3ce69c14da4e9b5e0ae38401f95f298bab377 [file] [log] [blame]
# 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
import time
from autotest_lib.server.cros.faftsequence import FAFTSequence
class firmware_SoftwareSync(FAFTSequence):
"""
Servo based EC software sync test.
"""
version = 1
def setup(self, dev_mode=False):
super(firmware_SoftwareSync, self).setup()
self.backup_firmware()
self.setup_dev_mode(dev_mode)
self.setup_usbkey(usbkey=False)
self.setup_rw_boot()
self.dev_mode = dev_mode
def cleanup(self):
self.restore_firmware()
super(firmware_SoftwareSync, self).cleanup()
def record_hash_and_corrupt(self):
"""Record current EC hash and corrupt EC firmware."""
self._ec_hash = self.faft_client.ec.get_firmware_sha()
logging.info("Stored EC hash: %s", self._ec_hash)
self.faft_client.ec.corrupt_body('rw')
def software_sync_checker(self):
"""Check EC firmware is restored by software sync."""
ec_hash = self.faft_client.ec.get_firmware_sha()
logging.info("Current EC hash: %s", self._ec_hash)
if self._ec_hash != ec_hash:
return False
return self.checkers.ec_act_copy_checker('RW')
def wait_software_sync_and_boot(self):
"""Wait for software sync to update EC."""
if self.dev_mode:
time.sleep(self.delay.software_sync_update + self.delay.dev_screen)
self.press_ctrl_d()
else:
time.sleep(self.delay.software_sync_update)
def run_once(self):
self.register_faft_sequence((
{ # Step 1, Corrupt EC firmware RW body
'state_checker': (self.checkers.ec_act_copy_checker, 'RW'),
'userspace_action': self.record_hash_and_corrupt,
'firmware_action': self.wait_software_sync_and_boot,
'reboot_action': self.sync_and_ec_reboot,
},
{ # Step 2, expect EC in RW and RW is restored
'state_checker': self.software_sync_checker,
'firmware_action': self.wait_software_sync_and_boot,
},
))
self.run_faft_sequence()