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Fix always reboot issue for an invalid physical presence operation request. 

Signed-off by: Dong Guo <guo.dong@intel.com>
Reviewed-by: Ye Ting <ting.ye@intel.com>
Reviewed-by: Ouyang, Qian <qian.ouyang@intel.com>

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@13297 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
gdong1 2012-05-09 08:24:29 +00:00
parent d0e9c3caeb
commit 568e7b2777
1 changed files with 20 additions and 3 deletions
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23
SecurityPkg/Library/DxeTcgPhysicalPresenceLib/DxeTcgPhysicalPresenceLib.c
View File

@ -2,7 +2,7 @@
Execute pending TPM requests from OS or BIOS and Lock TPM. Execute pending TPM requests from OS or BIOS and Lock TPM.
Copyright (c) 2006 - 2011, Intel Corporation. All rights reserved.<BR> Copyright (c) 2006 - 2012, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License 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 which accompanies this distribution. The full text of the license may be found at
@ -936,6 +936,23 @@ ExecutePendingTpmRequest (
case PHYSICAL_PRESENCE_SET_NO_PPI_MAINTENANCE_FALSE: case PHYSICAL_PRESENCE_SET_NO_PPI_MAINTENANCE_FALSE:
RequestConfirmed = TRUE; RequestConfirmed = TRUE;
break; break;
default:
//
// Invalid operation request.
//
TcgPpData->PPResponse = TPM_PP_BIOS_FAILURE;
TcgPpData->LastPPRequest = TcgPpData->PPRequest;
TcgPpData->PPRequest = PHYSICAL_PRESENCE_NO_ACTION;
DataSize = sizeof (EFI_PHYSICAL_PRESENCE);
Status = gRT->SetVariable (
PHYSICAL_PRESENCE_VARIABLE,
&gEfiPhysicalPresenceGuid,
EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS,
DataSize,
TcgPpData
);
return;
} }
if ((Flags & FLAG_RESET_TRACK) != 0) { if ((Flags & FLAG_RESET_TRACK) != 0) {
@ -965,7 +982,7 @@ ExecutePendingTpmRequest (
// //
if ((TcgPpData->Flags & FLAG_RESET_TRACK) == 0) { if ((TcgPpData->Flags & FLAG_RESET_TRACK) == 0) {
TcgPpData->LastPPRequest = TcgPpData->PPRequest; TcgPpData->LastPPRequest = TcgPpData->PPRequest;
TcgPpData->PPRequest = 0; TcgPpData->PPRequest = PHYSICAL_PRESENCE_NO_ACTION;
} }
// //
@ -1004,7 +1021,7 @@ ExecutePendingTpmRequest (
case PHYSICAL_PRESENCE_ENABLE_ACTIVATE_CLEAR_ENABLE_ACTIVATE: case PHYSICAL_PRESENCE_ENABLE_ACTIVATE_CLEAR_ENABLE_ACTIVATE:
break; break;
default: default:
if (TcgPpData->PPRequest != 0) { if (TcgPpData->PPRequest != PHYSICAL_PRESENCE_NO_ACTION) {
break; break;
} }
return; return;