Revision: 14464
http://sourceforge.net/p/edk2/code/14464
Author: lzeng14
Date: 2013-07-11 08:18:56 +0000 (Thu, 11 Jul 2013)
Log Message:
-----------
SecurityPkg Variable: Add the check for PcdFlashNvStorageVariableSize <=
PcdFlashNvStorageFtwSpareSize.
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Star Zeng <[email protected]>
Reviewed-by: Jiewen Yao <[email protected]>
Reviewed-by: Liming Gao <[email protected]>
Modified Paths:
--------------
trunk/edk2/SecurityPkg/VariableAuthenticated/RuntimeDxe/VariableDxe.c
trunk/edk2/SecurityPkg/VariableAuthenticated/RuntimeDxe/VariableSmm.c
Modified: trunk/edk2/SecurityPkg/VariableAuthenticated/RuntimeDxe/VariableDxe.c
===================================================================
--- trunk/edk2/SecurityPkg/VariableAuthenticated/RuntimeDxe/VariableDxe.c
2013-07-11 08:15:47 UTC (rev 14463)
+++ trunk/edk2/SecurityPkg/VariableAuthenticated/RuntimeDxe/VariableDxe.c
2013-07-11 08:18:56 UTC (rev 14464)
@@ -3,7 +3,7 @@
and volatile storage space and install variable architecture protocol.
Copyright (C) 2013, Red Hat, Inc.
-Copyright (c) 2009 - 2011, Intel Corporation. All rights reserved.<BR>
+Copyright (c) 2009 - 2013, 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
@@ -337,6 +337,7 @@
UINT64 Length;
EFI_PHYSICAL_ADDRESS VariableStoreBase;
UINT64 VariableStoreLength;
+ UINTN FtwMaxBlockSize;
//
// Ensure FTW protocol is installed.
@@ -346,6 +347,11 @@
return ;
}
+ Status = FtwProtocol->GetMaxBlockSize (FtwProtocol, &FtwMaxBlockSize);
+ if (!EFI_ERROR (Status)) {
+ ASSERT (PcdGet32 (PcdFlashNvStorageVariableSize) <= FtwMaxBlockSize);
+ }
+
//
// Find the proper FVB protocol for variable.
//
Modified: trunk/edk2/SecurityPkg/VariableAuthenticated/RuntimeDxe/VariableSmm.c
===================================================================
--- trunk/edk2/SecurityPkg/VariableAuthenticated/RuntimeDxe/VariableSmm.c
2013-07-11 08:15:47 UTC (rev 14463)
+++ trunk/edk2/SecurityPkg/VariableAuthenticated/RuntimeDxe/VariableSmm.c
2013-07-11 08:18:56 UTC (rev 14464)
@@ -797,6 +797,7 @@
EFI_SMM_FIRMWARE_VOLUME_BLOCK_PROTOCOL *FvbProtocol;
EFI_SMM_FAULT_TOLERANT_WRITE_PROTOCOL *FtwProtocol;
EFI_PHYSICAL_ADDRESS NvStorageVariableBase;
+ UINTN FtwMaxBlockSize;
if (mVariableModuleGlobal->FvbInstance != NULL) {
return EFI_SUCCESS;
@@ -810,6 +811,11 @@
return Status;
}
+ Status = FtwProtocol->GetMaxBlockSize (FtwProtocol, &FtwMaxBlockSize);
+ if (!EFI_ERROR (Status)) {
+ ASSERT (PcdGet32 (PcdFlashNvStorageVariableSize) <= FtwMaxBlockSize);
+ }
+
//
// Find the proper FVB protocol for variable.
//
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