Handle TPM device error and avoid deadloop in BDS.

If TPM error happens, set TPM flag to NOT present, so that trusted boot patch is disabled.
Also report status code for failure, so that platform may register handler to apply policy like force system reset, or disable TPM permanently.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: "Yao, Jiewen" <jiewen.yao@intel.com>
Reviewed-by: "Dong, Guo" <guo.dong@intel.com>




git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@16598 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
Yao, Jiewen
2015-01-12 03:21:00 +00:00
committed by jyao1
parent 4610b23ab1
commit 6f785cfcc3
15 changed files with 172 additions and 155 deletions

View File

@@ -3,7 +3,7 @@
#
# This module will initialize TPM device, measure reported FVs and BIOS version.
#
# Copyright (c) 2013 - 2014, Intel Corporation. All rights reserved.<BR>
# Copyright (c) 2013 - 2015, Intel Corporation. All rights reserved.<BR>
# This program and the accompanying materials
# are licensed and made available under the terms and conditions of the BSD License
# which accompanies this distribution. The full text of the license may be found at
@@ -51,9 +51,11 @@
HashLib
PerformanceLib
MemoryAllocationLib
ReportStatusCodeLib
[Guids]
gTcgEventEntryHobGuid ## PRODUCES ## HOB
gTpmErrorHobGuid ## SOMETIMES_PRODUCES ## HOB
gMeasuredFvHobGuid ## PRODUCES ## HOB
gEfiTpmDeviceInstanceNoneGuid ## SOMETIMES_PRODUCES ## GUID # TPM device identifier
gEfiTpmDeviceInstanceTpm12Guid ## SOMETIMES_PRODUCES ## GUID # TPM device identifier
@@ -72,6 +74,7 @@
gEfiSecurityPkgTokenSpaceGuid.PcdTpm2SelfTestPolicy ## SOMETIMES_CONSUMES
gEfiSecurityPkgTokenSpaceGuid.PcdTpm2ScrtmPolicy ## CONSUMES
gEfiMdeModulePkgTokenSpaceGuid.PcdPeiCoreMaxFvSupported ## CONSUMES
gEfiSecurityPkgTokenSpaceGuid.PcdStatusCodeSubClassTpmDevice ## SOMETIMES_CONSUMES
[Depex]
gEfiPeiMasterBootModePpiGuid AND