| # Copyright 2021 The ChromiumOS Authors |
| # 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.client.common_lib import error |
| from autotest_lib.server.cros.faft.firmware_test import FirmwareTest |
| |
| |
| class firmware_CorruptMinios(FirmwareTest): |
| """ |
| Servo based corrupt minios test. |
| |
| This test requires the device to support MiniOS. On runtime, this test uses |
| the dd tool to corrupt the MiniOS partition and try to boot MiniOS from |
| firmware manual recovery screen. |
| """ |
| version = 1 |
| |
| def initialize(self, host, cmdline_args, minios_section): |
| super(firmware_CorruptMinios, self).initialize(host, cmdline_args) |
| |
| self.test_skipped = True |
| if not self.menu_switcher: |
| raise error.TestNAError('Test skipped for menuless UI') |
| if not self.faft_config.chrome_ec: |
| raise error.TestNAError('Cannot check power state without EC') |
| if not self.faft_config.minios_enabled: |
| raise error.TestNAError('MiniOS is not enabled for this board') |
| self.test_skipped = False |
| |
| self.backup_kernel(kernel_type='MINIOS') |
| |
| self.host = host |
| self.switcher.setup_mode('normal') |
| self.setup_usbkey(usbkey=False) |
| self.minios_section = minios_section |
| self.restored_priority = self.faft_client.system.get_minios_priority() |
| |
| def cleanup(self): |
| if not self.test_skipped: |
| try: |
| self.switcher.leave_minios() |
| self.restore_kernel(kernel_type='MINIOS') |
| self.faft_client.system.set_minios_priority( |
| self.restored_priority) |
| except Exception as e: |
| logging.error('Caught exception: %s', str(e)) |
| super(firmware_CorruptMinios, self).cleanup() |
| |
| def run_once(self): |
| """Run a single iteration of the test.""" |
| logging.info('Corrupt MiniOS section: %r', self.minios_section) |
| self.faft_client.minios.corrupt_sig(self.minios_section) |
| |
| logging.info('Try to boot with prioritizing the corrupted section') |
| self.switcher.launch_minios(self.minios_section) |
| self.check_state(self.checkers.minios_checker) |
| self.switcher.leave_minios() |
| |
| logging.info('Restore MiniOS section: %r', self.minios_section) |
| self.faft_client.minios.restore_sig(self.minios_section) |
