1# Copyright (c) 2012 The Chromium OS Authors. All rights reserved. 2# Use of this source code is governed by a BSD-style license that can be 3# found in the LICENSE file. 4 5# The constants of verified boot. 6 7# Recovery reason codes, copied from: 8# vboot_reference/firmware/include/vboot_nvstorage.h 9# vboot_reference/firmware/include/vboot_struct.h 10RECOVERY_REASON = { 11 # Recovery not requested 12 'NOT_REQUESTED': '0', # 0x00 13 # Recovery requested from legacy utility 14 'LEGACY': '1', # 0x01 15 # User manually requested recovery via recovery button 16 'RO_MANUAL': '2', # 0x02 17 # RW firmware failed signature check 18 'RO_INVALID_RW': '3', # 0x03 19 # S3 resume failed 20 'RO_S3_RESUME': '4', # 0x04 21 # TPM error in read-only firmware (deprecated) 22 'DEP_RO_TPM_ERROR': '5', # 0x05 23 # Shared data error in read-only firmware 24 'RO_SHARED_DATA': '6', # 0x06 25 # Test error from S3Resume() 26 'RO_TEST_S3': '7', # 0x07 27 # Test error from LoadFirmwareSetup() 28 'RO_TEST_LFS': '8', # 0x08 29 # Test error from LoadFirmware() 30 'RO_TEST_LF': '9', # 0x09 31 # RW firmware failed signature check 32 'RW_NOT_DONE': '16', # 0x10 33 'RW_DEV_MISMATCH': '17', # 0x11 34 'RW_REC_MISMATCH': '18', # 0x12 35 'RW_VERIFY_KEYBLOCK': '19', # 0x13 36 'RW_KEY_ROLLBACK': '20', # 0x14 37 'RW_DATA_KEY_PARSE': '21', # 0x15 38 'RW_VERIFY_PREAMBLE': '22', # 0x16 39 'RW_FW_ROLLBACK': '23', # 0x17 40 'RW_HEADER_VALID': '24', # 0x18 41 'RW_GET_FW_BODY': '25', # 0x19 42 'RW_HASH_WRONG_SIZE': '26', # 0x1A 43 'RW_VERIFY_BODY': '27', # 0x1B 44 'RW_VALID': '28', # 0x1C 45 # Read-only normal path requested by firmware preamble, but 46 # unsupported by firmware. 47 'RW_NO_RO_NORMAL': '29', # 0x1D 48 # Firmware boot failure outside of verified boot 49 'RO_FIRMWARE': '32', # 0x20 50 # Recovery mode TPM initialization requires a system reboot. 51 # The system was already in recovery mode for some other reason 52 # when this happened. 53 'RO_TPM_REBOOT': '33', # 0x21 54 # EC software sync - other error 55 'EC_SOFTWARE_SYNC': '34', # 0x22 56 # EC software sync - unable to determine active EC image 57 'EC_UNKNOWN_IMAGE': '35', # 0x23 58 # EC software sync - error obtaining EC image hash (deprecated) 59 'DEP_EC_HASH': '36', # 0x24 60 # EC software sync - error obtaining expected EC image 61 'EC_EXPECTED_IMAGE': '37', # 0x25 62 # EC software sync - error updating EC 63 'EC_UPDATE': '38', # 0x26 64 # EC software sync - unable to jump to EC-RW 65 'EC_JUMP_RW': '39', # 0x27 66 # EC software sync - unable to protect / unprotect EC-RW 67 'EC_PROTECT': '40', # 0x28 68 # Unspecified/unknown error in read-only firmware 69 'RO_UNSPECIFIED': '63', # 0x3F 70 # User manually requested recovery by pressing a key at developer 71 # warning screen. 72 'RW_DEV_SCREEN': '65', # 0x41 73 # No OS kernel detected 74 'RW_NO_OS': '66', # 0x42 75 # OS kernel failed signature check 76 'RW_INVALID_OS': '67', # 0x43 77 # TPM error in rewritable firmware (deprecated) 78 'DEP_RW_TPM_ERROR': '68', # 0x44 79 # RW firmware in dev mode, but dev switch is off. 80 'RW_DEV_MISMATCH': '69', # 0x45 81 # Shared data error in rewritable firmware 82 'RW_SHARED_DATA': '70', # 0x46 83 # Test error from LoadKernel() 84 'RW_TEST_LK': '71', # 0x47 85 # No bootable disk found (deprecated) 86 'DEP_RW_NO_DISK': '72', # 0x48 87 # Rebooting did not correct TPM_E_FAIL or TPM_E_FAILEDSELFTEST 88 'TPM_E_FAIL': '73', # 0x49 89 # TPM setup error in read-only firmware 90 'RO_TPM_S_ERROR': '80', # 0x50 91 # TPM write error in read-only firmware 92 'RO_TPM_W_ERROR': '81', # 0x51 93 # TPM lock error in read-only firmware 94 'RO_TPM_L_ERROR': '82', # 0x52 95 # TPM update error in read-only firmware 96 'RO_TPM_U_ERROR': '83', # 0x53 97 # TPM read error in rewritable firmware 98 'RW_TPM_R_ERROR': '84', # 0x54 99 # TPM write error in rewritable firmware 100 'RW_TPM_W_ERROR': '85', # 0x55 101 # TPM lock error in rewritable firmware 102 'RW_TPM_L_ERROR': '86', # 0x56 103 # EC software sync unable to get EC image hash 104 'EC_HASH_FAILED': '87', # 0x57 105 # EC software sync invalid image hash size 106 'EC_HASH_SIZE': '88', # 0x58 107 # Unspecified error while trying to load kernel 108 'LK_UNSPECIFIED': '89', # 0x59 109 # No bootable storage device in system 110 'RW_NO_DISK': '90', # 0x5A 111 # No bootable kernel found on disk 112 'RW_NO_KERNEL': '91', # 0x5B 113 # Unspecified/unknown error in rewritable firmware 114 'RW_UNSPECIFIED': '127', # 0x7F 115 # DM-verity error 116 'KE_DM_VERITY': '129', # 0x81 117 # Unspecified/unknown error in kernel 118 'KE_UNSPECIFIED': '191', # 0xBF 119 # Recovery mode test from user-mode 120 'US_TEST': '193', # 0xC1 121 # Unspecified/unknown error in user-mode 122 'US_UNSPECIFIED': '255', # 0xFF 123} 124 125# GBB flags, copied from: 126# vboot_reference/firmware/include/gbb_header.h 127GBB_FLAG_DEV_SCREEN_SHORT_DELAY = 0x00000001 128GBB_FLAG_LOAD_OPTION_ROMS = 0x00000002 129GBB_FLAG_ENABLE_ALTERNATE_OS = 0x00000004 130GBB_FLAG_FORCE_DEV_SWITCH_ON = 0x00000008 131GBB_FLAG_FORCE_DEV_BOOT_USB = 0x00000010 132GBB_FLAG_DISABLE_FW_ROLLBACK_CHECK = 0x00000020 133GBB_FLAG_ENTER_TRIGGERS_TONORM = 0x00000040 134GBB_FLAG_FORCE_DEV_BOOT_LEGACY = 0x00000080 135GBB_FLAG_FAFT_KEY_OVERIDE = 0x00000100 136GBB_FLAG_DISABLE_EC_SOFTWARE_SYNC = 0x00000200 137GBB_FLAG_DEFAULT_DEV_BOOT_LEGACY = 0x00000400 138GBB_FLAG_DISABLE_PD_SOFTWARE_SYNC = 0x00000800 139GBB_FLAG_DISABLE_LID_SHUTDOWN = 0x00001000 140GBB_FLAG_FORCE_DEV_BOOT_FASTBOOT_FULL_CAP = 0x00002000 141 142 143# VbSharedData flags, copied from: 144# vboot_reference/firmware/include/vboot_struct.h 145VDAT_FLAG_FWB_TRIED = 0x00000001 146VDAT_FLAG_KERNEL_KEY_VERIFIED = 0x00000002 147VDAT_FLAG_LF_DEV_SWITCH_ON = 0x00000004 148VDAT_FLAG_LF_USE_RO_NORMAL = 0x00000008 149VDAT_FLAG_BOOT_DEV_SWITCH_ON = 0x00000010 150VDAT_FLAG_BOOT_REC_SWITCH_ON = 0x00000020 151VDAT_FLAG_BOOT_FIRMWARE_WP_ENABLED = 0x00000040 152VDAT_FLAG_BOOT_S3_RESUME = 0x00000100 153VDAT_FLAG_BOOT_RO_NORMAL_SUPPORT = 0x00000200 154VDAT_FLAG_HONOR_VIRT_DEV_SWITCH = 0x00000400 155VDAT_FLAG_EC_SOFTWARE_SYNC = 0x00000800 156VDAT_FLAG_EC_SLOW_UPDATE = 0x00001000 157 158# Firmware preamble flags, copied from: 159# vboot_reference/firmware/include/vboot_struct.h 160PREAMBLE_USE_RO_NORMAL = 0x00000001 161