| # Copyright 2018 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.server.cros.faft.firmware_test import FirmwareTest |
| |
| BIOS_PATH = '/tmp/test.firmware_Bmpblk.bios.bin' |
| PRINT_CBFS_CMD = 'cbfstool %s print' % BIOS_PATH |
| LAYOUT_CBFS_CMD = 'cbfstool %s layout' % BIOS_PATH |
| |
| |
| class firmware_Bmpblk(FirmwareTest): |
| """ |
| This test checks whether the BIOS was built with a correctly configured |
| bmpblk to ensure crisp firmware screen images and text. The bmpblk for every |
| device needs to be explicitly configured for the device's screen resolution |
| to ensure optimal quality. Relies on flashrom and cbfstool to inspect BIOS. |
| """ |
| version = 1 |
| |
| def run_once(self): |
| """Runs a single iteration of the test.""" |
| self.faft_client.bios.dump_whole(BIOS_PATH) |
| layout = self.faft_client.system.run_shell_command_get_output( |
| LAYOUT_CBFS_CMD) |
| layout = '\n'.join(layout) |
| logging.debug('cbfstool layout output:\n\n%s', layout) |
| print_cbfs_cmd_options='' |
| if 'BOOT_STUB' in layout: |
| print_cbfs_cmd_options=' -r BOOT_STUB' |
| try: |
| files = self.faft_client.system.run_shell_command_get_output( |
| PRINT_CBFS_CMD + print_cbfs_cmd_options) |
| files = '\n'.join(files) |
| logging.debug('cbfstool print output:\n\n%s', files) |
| if 'romstage' not in files: |
| raise error.TestError("Sanity check failed: Can't read CBFS") |
| if 'vbgfx.bin' not in files: |
| raise error.TestNAError('This board has no firmware screens') |
| if 'vbgfx_not_scaled' in files: |
| logging.error("This firmware's bmpblk was built for a generic " |
| "1366x768 display resolution. Images will get " |
| "scaled up at runtime and look blurry. You need " |
| "to explicitly set the panel resolution for this " |
| "board in bmpblk/images/boards.yaml and add it " |
| "to CROS_BOARDS in the sys-boot/chromeos-bmpblk" |
| ".ebuild. Do *not* do this until you are certain " |
| "of the panel resolution that the final product " |
| "will ship with!") |
| raise error.TestFail('bmpblk images not scaled for this board') |
| finally: |
| self.faft_client.system.remove_file(BIOS_PATH) |
