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MdeModulePkg Variable: Implement VarCheck PROTOCOL

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and follow UEFI spec to check UEFI defined variables.

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

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@16579 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
Star Zeng
2015-01-05 03:38:36 +00:00
committed by lzeng14
parent 23d04b58e2
commit efb01a104d
13 changed files with 1675 additions and 147 deletions
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40
MdeModulePkg/Universal/Variable/RuntimeDxe/VariableDxe.c
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@ -4,7 +4,7 @@
and volatile storage space and install variable architecture protocol.
Copyright (C) 2013, Red Hat, Inc.
Copyright (c) 2006 - 2013, Intel Corporation. All rights reserved.<BR>
Copyright (c) 2006 - 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
@ -23,8 +23,14 @@ EFI_HANDLE mHandle = NULL;
EFI_EVENT mVirtualAddressChangeEvent = NULL;
EFI_EVENT mFtwRegistration = NULL;
extern LIST_ENTRY mLockedVariableList;
extern LIST_ENTRY mVarCheckVariableList;
extern UINT32 mNumberOfHandler;
extern VAR_CHECK_SET_VARIABLE_CHECK_HANDLER *mHandlerTable;
extern BOOLEAN mEndOfDxe;
EDKII_VARIABLE_LOCK_PROTOCOL mVariableLock = { VariableLockRequestToLock };
EDKII_VAR_CHECK_PROTOCOL mVarCheck = { VarCheckRegisterSetVariableCheckHandler,
VarCheckVariablePropertySet,
VarCheckVariablePropertyGet };
/**
Return TRUE if ExitBootServices () has been called.
@ -222,9 +228,8 @@ VariableClassAddressChangeEvent (
IN VOID *Context
)
{
LIST_ENTRY *Link;
VARIABLE_ENTRY *Entry;
EFI_STATUS Status;
UINTN Index;
EfiConvertPointer (0x0, (VOID **) &mVariableModuleGlobal->FvbInstance->GetBlockSize);
EfiConvertPointer (0x0, (VOID **) &mVariableModuleGlobal->FvbInstance->GetPhysicalAddress);
@ -242,23 +247,16 @@ VariableClassAddressChangeEvent (
EfiConvertPointer (0x0, (VOID **) &mVariableModuleGlobal->VariableGlobal.HobVariableBase);
EfiConvertPointer (0x0, (VOID **) &mVariableModuleGlobal);
EfiConvertPointer (0x0, (VOID **) &mNvVariableCache);
//
// in the list of locked variables, convert the name pointers first
//
for ( Link = GetFirstNode (&mLockedVariableList)
; !IsNull (&mLockedVariableList, Link)
; Link = GetNextNode (&mLockedVariableList, Link)
) {
Entry = BASE_CR (Link, VARIABLE_ENTRY, Link);
Status = EfiConvertPointer (0x0, (VOID **) &Entry->Name);
ASSERT_EFI_ERROR (Status);
EfiConvertPointer (0x0, (VOID **) &mHandlerTable);
for (Index = 0; Index < mNumberOfHandler; Index++) {
EfiConvertPointer (0x0, (VOID **) &mHandlerTable[Index]);
}
//
// second, convert the list itself using UefiRuntimeLib
//
Status = EfiConvertList (0x0, &mLockedVariableList);
ASSERT_EFI_ERROR (Status);
Status = EfiConvertList (0x0, &mVarCheckVariableList);
ASSERT_EFI_ERROR (Status);
}
@ -442,6 +440,14 @@ VariableServiceInitialize (
);
ASSERT_EFI_ERROR (Status);
Status = gBS->InstallMultipleProtocolInterfaces (
&mHandle,
&gEdkiiVarCheckProtocolGuid,
&mVarCheck,
NULL
);
ASSERT_EFI_ERROR (Status);
SystemTable->RuntimeServices->GetVariable = VariableServiceGetVariable;
SystemTable->RuntimeServices->GetNextVariableName = VariableServiceGetNextVariableName;
SystemTable->RuntimeServices->SetVariable = VariableServiceSetVariable;