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