| /* Copyright 2019 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. |
| * |
| * Flags for vb2_gbb_header.flags. |
| * |
| * Should be imported externally via vb2_api.h. |
| */ |
| |
| #ifndef VBOOT_REFERENCE_2GBB_FLAGS_H_ |
| #define VBOOT_REFERENCE_2GBB_FLAGS_H_ |
| |
| enum vb2_gbb_flag { |
| /* |
| * Reduce the dev screen delay to 2 sec from 30 sec to speed up |
| * factory. |
| */ |
| VB2_GBB_FLAG_DEV_SCREEN_SHORT_DELAY = 1 << 0, |
| |
| /* |
| * BIOS should load option ROMs from arbitrary PCI devices. We'll never |
| * enable this ourselves because it executes non-verified code, but if |
| * a customer wants to void their warranty and set this flag in the |
| * read-only flash, they should be able to do so. |
| * |
| * (TODO: Currently not supported. Mark as deprecated/unused?) |
| */ |
| VB2_GBB_FLAG_LOAD_OPTION_ROMS = 1 << 1, |
| |
| /* |
| * The factory flow may need the BIOS to boot a non-ChromeOS kernel if |
| * the dev-switch is on. This flag allows that. |
| * |
| * (TODO: Currently not supported. Mark as deprecated/unused?) |
| */ |
| VB2_GBB_FLAG_ENABLE_ALTERNATE_OS = 1 << 2, |
| |
| /* |
| * Force dev switch on, regardless of physical/keyboard dev switch |
| * position. |
| */ |
| VB2_GBB_FLAG_FORCE_DEV_SWITCH_ON = 1 << 3, |
| |
| /* |
| * Allow booting from external disk in dev mode even if |
| * dev_boot_usb=0. |
| */ |
| VB2_GBB_FLAG_FORCE_DEV_BOOT_USB = 1 << 4, |
| |
| /* Disable firmware rollback protection. */ |
| VB2_GBB_FLAG_DISABLE_FW_ROLLBACK_CHECK = 1 << 5, |
| |
| /* Allow Enter key to trigger dev->tonorm screen transition */ |
| VB2_GBB_FLAG_ENTER_TRIGGERS_TONORM = 1 << 6, |
| |
| /* Allow booting Legacy OSes in dev mode even if dev_boot_legacy=0. */ |
| VB2_GBB_FLAG_FORCE_DEV_BOOT_LEGACY = 1 << 7, |
| |
| /* |
| * Currently running FAFT tests. May be used as a hint to disable |
| * other debug features which may interfere with tests. However, this |
| * should never be used to modify Chrome OS behaviour on specific |
| * devices with the goal of passing a test. See chromium:965914 for |
| * more information. |
| */ |
| VB2_GBB_FLAG_RUNNING_FAFT = 1 << 8, |
| |
| /* Disable EC software sync */ |
| VB2_GBB_FLAG_DISABLE_EC_SOFTWARE_SYNC = 1 << 9, |
| |
| /* Default to booting legacy OS when dev screen times out */ |
| VB2_GBB_FLAG_DEFAULT_DEV_BOOT_LEGACY = 1 << 10, |
| |
| /* Disable auxiliary firmware (auxfw) software sync */ |
| VB2_GBB_FLAG_DISABLE_AUXFW_SOFTWARE_SYNC = 1 << 11, |
| |
| /* Disable shutdown on lid closed */ |
| VB2_GBB_FLAG_DISABLE_LID_SHUTDOWN = 1 << 12, |
| |
| /* |
| * Allow full fastboot capability in firmware even if |
| * dev_boot_fastboot_full_cap=0. Deprecated; see chromium:995172. |
| */ |
| VB2_GBB_FLAG_DEPRECATED_FORCE_DEV_BOOT_FASTBOOT_FULL_CAP = 1 << 13, |
| |
| /* Recovery mode always assumes manual recovery, even if EC_IN_RW=1 */ |
| VB2_GBB_FLAG_FORCE_MANUAL_RECOVERY = 1 << 14, |
| |
| /* Disable FWMP */ |
| VB2_GBB_FLAG_DISABLE_FWMP = 1 << 15, |
| |
| /* Enable USB Device Controller */ |
| VB2_GBB_FLAG_ENABLE_UDC = 1 << 16, |
| }; |
| |
| #endif /* VBOOT_REFERENCE_2GBB_FLAGS_H_ */ |
