Revision: 13535
http://edk2.svn.sourceforge.net/edk2/?rev=13535&view=rev
Author: sfu5
Date: 2012-07-17 08:21:42 +0000 (Tue, 17 Jul 2012)
Log Message:
-----------
Return EFI_UNSUPPORTED if READY_TO_BOOT function is invoked at SMM runtime.
Signed-off-by: Fu Siyuan <[email protected]>
Reviewed-by: Dong Guo <[email protected]>
Reviewed-by: Ye Ting <[email protected]>
Modified Paths:
--------------
trunk/edk2/MdeModulePkg/Universal/Variable/RuntimeDxe/VariableSmm.c
trunk/edk2/SecurityPkg/VariableAuthenticated/RuntimeDxe/Variable.c
trunk/edk2/SecurityPkg/VariableAuthenticated/RuntimeDxe/VariableSmm.c
Modified: trunk/edk2/MdeModulePkg/Universal/Variable/RuntimeDxe/VariableSmm.c
===================================================================
--- trunk/edk2/MdeModulePkg/Universal/Variable/RuntimeDxe/VariableSmm.c
2012-07-17 08:07:29 UTC (rev 13534)
+++ trunk/edk2/MdeModulePkg/Universal/Variable/RuntimeDxe/VariableSmm.c
2012-07-17 08:21:42 UTC (rev 13535)
@@ -513,6 +513,10 @@
break;
case SMM_VARIABLE_FUNCTION_READY_TO_BOOT:
+ if (AtRuntime()) {
+ Status = EFI_UNSUPPORTED;
+ break;
+ }
ReclaimForOS ();
Status = EFI_SUCCESS;
break;
Modified: trunk/edk2/SecurityPkg/VariableAuthenticated/RuntimeDxe/Variable.c
===================================================================
--- trunk/edk2/SecurityPkg/VariableAuthenticated/RuntimeDxe/Variable.c
2012-07-17 08:07:29 UTC (rev 13534)
+++ trunk/edk2/SecurityPkg/VariableAuthenticated/RuntimeDxe/Variable.c
2012-07-17 08:21:42 UTC (rev 13535)
@@ -2528,8 +2528,8 @@
/**
This function reclaims variable storage if free size is below the threshold.
- Caution: This function may be invoked at SMM runtime.
- Care must be taken to make sure not security issue at runtime.
+ Caution: This function may be invoked at SMM mode.
+ Care must be taken to make sure not security issue.
**/
VOID
Modified: trunk/edk2/SecurityPkg/VariableAuthenticated/RuntimeDxe/VariableSmm.c
===================================================================
--- trunk/edk2/SecurityPkg/VariableAuthenticated/RuntimeDxe/VariableSmm.c
2012-07-17 08:07:29 UTC (rev 13534)
+++ trunk/edk2/SecurityPkg/VariableAuthenticated/RuntimeDxe/VariableSmm.c
2012-07-17 08:21:42 UTC (rev 13535)
@@ -519,6 +519,10 @@
break;
case SMM_VARIABLE_FUNCTION_READY_TO_BOOT:
+ if (AtRuntime()) {
+ Status = EFI_UNSUPPORTED;
+ break;
+ }
ReclaimForOS ();
Status = EFI_SUCCESS;
break;
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