| # Copyright 2014 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.faft.firmware_test import FirmwareTest |
| |
| |
| class firmware_TPMKernelVersion(FirmwareTest): |
| """Dev mode will not corrupt kernel and firmware version stored in the TPM. |
| |
| Automate 1.2.4 Check Kernel version in TPM is not corrupted. |
| """ |
| version = 1 |
| |
| def initialize(self, host, cmdline_args): |
| super(firmware_TPMKernelVersion, self).initialize(host, cmdline_args) |
| self.switcher.setup_mode('dev') |
| self.setup_usbkey(usbkey=True, host=False) |
| self.original_dev_boot_usb = self.faft_client.system.get_dev_boot_usb() |
| logging.info('Original dev_boot_usb value: %s', |
| str(self.original_dev_boot_usb)) |
| |
| |
| def dut_run_cmd(self, command): |
| """Execute command on DUT. |
| |
| @param command: shell command to be executed on DUT. |
| @returns command output. |
| """ |
| logging.info('Execute %s', command) |
| output = self.faft_client.system.run_shell_command_get_output(command) |
| logging.info('Output %s', output) |
| return output |
| |
| def cleanup(self): |
| """Reboot device from SSD.""" |
| if self.faft_client.system.is_removable_device_boot(): |
| logging.info('Reboot into internal disk...') |
| self.faft_client.system.set_dev_boot_usb(self.original_dev_boot_usb) |
| self.reboot_warm(wait_for_dut_up=False) |
| self.wait_fw_screen_and_ctrl_d() |
| self.wait_for_client() |
| super(firmware_TPMKernelVersion, self).cleanup() |
| |
| def run_once(self): |
| # tcsd already shutdown by test framework. |
| |
| # Should return 1 4c 57 52 47 1 0 1 0 0 0 0 0 |
| command = 'tpmc read 0x1008 0x0d' |
| self.dut_run_cmd(command) |
| |
| self.dut_run_cmd('crossystem kernkey_vfy dev_boot_usb') |
| # Boot CrOS from USB |
| self.faft_client.system.set_dev_boot_usb(1) |
| self.reboot_warm(wait_for_dut_up=False) |
| self.wait_fw_screen_and_ctrl_u() |
| self.wait_for_client(install_deps=True) |
| |
| # Check that DUT is booted from USB. |
| self.check_state((self.checkers.crossystem_checker, |
| {'kernkey_vfy': 'hash'})) |
| |
| out = self.dut_run_cmd('crossystem tpm_kernver tpm_fwver') |
| (kernver, fwver) = out[0].split(' ') |
| logging.info('tpm_kernver=%s tpm_fwver=%s', kernver, fwver) |
| assert kernver != '0xFFFFFFFF' |
| assert fwver != '0xFFFFFFFF' |
