# Copyright 2017 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.client.common_lib import error from autotest_lib.client.common_lib.cros import cr50_utils from autotest_lib.server.cros import filesystem_util from autotest_lib.server.cros.faft.cr50_test import Cr50Test class firmware_Cr50SetBoardId(Cr50Test): """Verify cr50-set-board-id.sh Verify cr50-set-board-id sets the correct board id and flags based on the given stage. """ version = 1 BID_SCRIPT = '/usr/share/cros/cr50-set-board-id.sh' # the command to get the brand name GET_BRAND = 'cros_config / brand-code' # Used when the flags were not initialized in the factory. UNKNOWN_FLAGS = 0xff00 # Used for dev, proto, EVT, and DVT phases. DEVELOPMENT_FLAGS = 0x7f7f # Used for PVT and MP builds. RELEASE_FLAGS = 0x7f80 TEST_MP_FLAGS = 0x10000 PHASE_FLAGS_DICT = { 'unknown' : UNKNOWN_FLAGS, 'dev' : DEVELOPMENT_FLAGS, 'proto' : DEVELOPMENT_FLAGS, 'evt' : DEVELOPMENT_FLAGS, 'dvt' : DEVELOPMENT_FLAGS, 'mp' : RELEASE_FLAGS, 'pvt' : RELEASE_FLAGS, } # The response strings from cr50-set-board-id SUCCESS = ["Successfully updated board ID to 'BID' with phase 'PHASE'.", 0] ERROR_UNKNOWN_PHASE = ['Unknown phase (PHASE)', 1] ERROR_INVALID_RLZ = ['Invalid RLZ brand code (BID).', 1] ERROR_ALREADY_SET = ['Board ID and flag have already been set.', 2] ERROR_BID_SET_DIFFERENTLY = ['Board ID has been set differently.', 3] ERROR_FLAG_SET_DIFFERENTLY = ['Flag has been set differently.', 3] ERROR_BID_MISMATCH = ['Error 5 while setting board id', 1] def initialize(self, host, cmdline_args, full_args, bid=''): # Restore the original image, rlz code, and board id during cleanup. super(firmware_Cr50SetBoardId, self).initialize(host, cmdline_args, full_args, restore_cr50_image=True, restore_cr50_board_id=True) if self.servo.main_device_is_ccd(): raise error.TestNAError('Use a flex cable instead of CCD cable.') result = self.host.run(self.GET_BRAND, ignore_status=True) platform_brand = result.stdout.strip() if result.exit_status or not platform_brand: raise error.TestNAError('Could not get "cros_config / brand-code"') self.platform_brand = platform_brand bid = self.get_saved_cr50_original_version()[2] self._bid_flags = int(bid.rsplit(':', 1)[-1], 16) if bid else 0 if self._bid_flags == self.TEST_MP_FLAGS: raise error.TestNAError('cr50-set-board-id cannot be used with ' 'test mp images.') filesystem_util.make_rootfs_writable(self.host) self.host.run('rm %s' % cr50_utils.CR50_PREPVT, ignore_status=True) self.host.run('rm %s' % cr50_utils.CR50_PROD, ignore_status=True) def run_script(self, expected_result, phase, board_id=''): """Run the bid script with the given phase and board id Args: expected_result: a list with the result message and exit status phase: The phase string. board_id: The board id string. Raises: TestFail if the expected result message did not match the script output """ message, exit_status = expected_result # If we expect an error ignore the exit status ignore_status = not not exit_status # Run the script with the phase and board id cmd = '%s %s %s' % (self.BID_SCRIPT, phase, board_id) result = self.host.run(cmd, ignore_status=ignore_status) # If we don't give the script a board id, it will use the platform # brand expected_board_id = board_id if board_id else self.platform_brand # Replace the placeholders with the expected board id and phase message = message.replace('BID', expected_board_id) message = message.replace('PHASE', phase) logging.info(result.stdout) # Compare the expected script output to the actual script result if message not in result.stdout or exit_status != result.exit_status: logging.debug(result) raise error.TestFail('Expected "%s" got "%s"' % (message, result.stdout)) def eraseflashinfo(self): """Eraseflashinfo if the board id is set.""" if cr50_utils.GetChipBoardId(self.host) == cr50_utils.ERASED_CHIP_BID: return # Erase the board id so we can change it. self.eraseflashinfo_and_restore_image() def run_once(self): """Verify cr50-set-board-id.sh""" self.eraseflashinfo() # 'A' is too short to be a valid rlz code self.run_script(self.ERROR_INVALID_RLZ, 'dvt', 'A') # dummy_phase is not a valid phase self.run_script(self.ERROR_UNKNOWN_PHASE, 'dummy_phase') # The rlz code is checked after the phase self.run_script(self.ERROR_UNKNOWN_PHASE, 'dummy_phase', 'A') self.eraseflashinfo() # Set the board id so we can verify cr50-set-board-id has the correct # response to the board id already being set. self.run_script(self.SUCCESS, 'dvt', 'TEST') # mp has different flags than dvt self.run_script(self.ERROR_FLAG_SET_DIFFERENTLY, 'mp', 'TEST') # try setting the dvt flags with a different board id self.run_script(self.ERROR_BID_SET_DIFFERENTLY, 'dvt', 'test') # running with the same phase and board id will raise an error that the # board id is already set self.run_script(self.ERROR_ALREADY_SET, 'dvt', 'TEST') # Verify each stage sets the right flags for phase, flags in self.PHASE_FLAGS_DICT.iteritems(): self.eraseflashinfo() expected_response = self.SUCCESS expected_brand = self.platform_brand expected_flags = flags if self._bid_flags & flags != self._bid_flags: expected_response = self.ERROR_BID_MISMATCH expected_brand = cr50_utils.ERASED_BID_INT expected_flags = cr50_utils.ERASED_BID_INT logging.info('%s phase mismatch with current image', phase) # Run the script to set the board id and flags for the given phase. self.run_script(expected_response, phase) # Check that the board id and flags are actually set. cr50_utils.CheckChipBoardId(self.host, expected_brand, expected_flags)