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Add the EDKII_VARIABLE_LOCK_PROTOCOL implementation in SecurityPkg variable drivers.

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Signed-off-by: Ruiyu Ni <ruiyu.ni@intel.com>
Reviewed-by: Star Zeng <star.zeng@intel.com>

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@14378 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
niruiyu
2013-05-20 07:10:10 +00:00
parent 51547bb879
commit 6ab9f44138
8 changed files with 356 additions and 22 deletions
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57
SecurityPkg/VariableAuthenticated/RuntimeDxe/VariableDxe.c
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@@ -16,11 +16,13 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
#include "Variable.h"
#include "AuthService.h"
extern VARIABLE_STORE_HEADER *mNvVariableCache;
extern VARIABLE_INFO_ENTRY *gVariableInfo;
EFI_HANDLE mHandle = NULL;
EFI_EVENT mVirtualAddressChangeEvent = NULL;
EFI_EVENT mFtwRegistration = NULL;
extern VARIABLE_STORE_HEADER *mNvVariableCache;
extern VARIABLE_INFO_ENTRY *gVariableInfo;
EFI_HANDLE mHandle = NULL;
EFI_EVENT mVirtualAddressChangeEvent = NULL;
EFI_EVENT mFtwRegistration = NULL;
extern BOOLEAN mEndOfDxe;
EDKII_VARIABLE_LOCK_PROTOCOL mVariableLock = { VariableLockRequestToLock };
/**
Return TRUE if ExitBootServices () has been called.
@@ -257,12 +259,34 @@ OnReadyToBoot (
VOID *Context
)
{
//
// Set the End Of DXE bit in case the EFI_END_OF_DXE_EVENT_GROUP_GUID event is not signaled.
//
mEndOfDxe = TRUE;
ReclaimForOS ();
if (FeaturePcdGet (PcdVariableCollectStatistics)) {
gBS->InstallConfigurationTable (&gEfiAuthenticatedVariableGuid, gVariableInfo);
}
}
/**
Notification function of EFI_END_OF_DXE_EVENT_GROUP_GUID event group.
This is a notification function registered on EFI_END_OF_DXE_EVENT_GROUP_GUID event group.
@param Event Event whose notification function is being invoked.
@param Context Pointer to the notification function's context.
**/
VOID
EFIAPI
OnEndOfDxe (
EFI_EVENT Event,
VOID *Context
)
{
mEndOfDxe = TRUE;
}
/**
Fault Tolerant Write protocol notification event handler.
@@ -378,10 +402,19 @@ VariableServiceInitialize (
{
EFI_STATUS Status;
EFI_EVENT ReadyToBootEvent;
EFI_EVENT EndOfDxeEvent;
Status = VariableCommonInitialize ();
ASSERT_EFI_ERROR (Status);
Status = gBS->InstallMultipleProtocolInterfaces (
&mHandle,
&gEdkiiVariableLockProtocolGuid,
&mVariableLock,
NULL
);
ASSERT_EFI_ERROR (Status);
SystemTable->RuntimeServices->GetVariable = VariableServiceGetVariable;
SystemTable->RuntimeServices->GetNextVariableName = VariableServiceGetNextVariableName;
SystemTable->RuntimeServices->SetVariable = VariableServiceSetVariable;
@@ -428,6 +461,20 @@ VariableServiceInitialize (
NULL,
&ReadyToBootEvent
);
ASSERT_EFI_ERROR (Status);
//
// Register the event handling function to set the End Of DXE flag.
//
Status = gBS->CreateEventEx (
EVT_NOTIFY_SIGNAL,
TPL_NOTIFY,
OnEndOfDxe,
NULL,
&gEfiEndOfDxeEventGroupGuid,
&EndOfDxeEvent
);
ASSERT_EFI_ERROR (Status);
return EFI_SUCCESS;
}