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SecurityPkg Variable: Add the check for PcdFlashNvStorageVariableSize <= PcdFlashNvStorageFtwSpareSize. 

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Star Zeng <star.zeng@intel.com>
Reviewed-by: Jiewen Yao <jiewen.yao@intel.com>
Reviewed-by: Liming Gao <liming.gao@intel.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@14464 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
Star Zeng 2013-07-11 08:18:56 +00:00 committed by lzeng14
parent 2c4b18e095
commit 41982ebbc5
2 changed files with 13 additions and 1 deletions
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8
SecurityPkg/VariableAuthenticated/RuntimeDxe/VariableDxe.c
View File

@ -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 @@ FtwNotificationEvent (
UINT64 Length;
EFI_PHYSICAL_ADDRESS VariableStoreBase;
UINT64 VariableStoreLength;
UINTN FtwMaxBlockSize;
//
// Ensure FTW protocol is installed.
@ -346,6 +347,11 @@ FtwNotificationEvent (
return ;
}
Status = FtwProtocol->GetMaxBlockSize (FtwProtocol, &FtwMaxBlockSize);
if (!EFI_ERROR (Status)) {
ASSERT (PcdGet32 (PcdFlashNvStorageVariableSize) <= FtwMaxBlockSize);
}
//
// Find the proper FVB protocol for variable.
//

6
SecurityPkg/VariableAuthenticated/RuntimeDxe/VariableSmm.c
View File

@ -797,6 +797,7 @@ SmmFtwNotificationEvent (
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 @@ SmmFtwNotificationEvent (
return Status;
}
Status = FtwProtocol->GetMaxBlockSize (FtwProtocol, &FtwMaxBlockSize);
if (!EFI_ERROR (Status)) {
ASSERT (PcdGet32 (PcdFlashNvStorageVariableSize) <= FtwMaxBlockSize);
}
//
// Find the proper FVB protocol for variable.
//