8 files changed, 1605 insertions, 0 deletions
diff --git a/Core/EM/NvramSmi/NvramSmi.c b/Core/EM/NvramSmi/NvramSmi.c
new file mode 100644
index 0000000..851f2dc
--- /dev/null
+++ b/Core/EM/NvramSmi/NvramSmi.c
@@ -0,0 +1,1155 @@
+//*************************************************************************
+//*************************************************************************
+//**                                                                     **
+//**        (C)Copyright 1985-2012, American Megatrends, Inc.            **
+//**                                                                     **
+//**                       All Rights Reserved.                          **
+//**                                                                     **
+//**      5555 Oakbrook Parkway, Suite 200, Norcross, GA 30093           **
+//**                                                                     **
+//**                       Phone: (770)-246-8600                         **
+//**                                                                     **
+//*************************************************************************
+//*************************************************************************
+
+//**********************************************************************
+// $Header: /Alaska/Projects/Intel/Haswell/LynxPoint_SharkBay-DT_Crb_1AQQW/Core/EM/NvramSmi/NvramSmi.c 3     4/16/14 3:02a Chaseliu $
+//
+// $Revision: 3 $
+//
+// $Date: 4/16/14 3:02a $
+//**********************************************************************
+// Revision History
+// ----------------
+// $Log: /Alaska/Projects/Intel/Haswell/LynxPoint_SharkBay-DT_Crb_1AQQW/Core/EM/NvramSmi/NvramSmi.c $
+// 
+// 3     4/16/14 3:02a Chaseliu
+// [TAG]           EIP161860
+// [Category]      Improvement
+// [Description]   Upadte NvramSmi 05 Handle initialized with NULL.
+// [Files]
+// Core\EM\NvramSmi\NvramSmi.c
+// 
+// 18    4/02/14 10:33a Oleksiyy
+// [TAG]  		EIP161860
+// [Category]  	Bug Fix
+// [Severity]  	Normal
+// [Symptom]  	Dummy protocol do not installs
+// [RootCause]  	DummyHandle was not preinitialized with NULL.
+// [Solution]  	Initialize Handle with NULL.
+// [Files]  		NvramSmi.c
+// 
+// 17    3/05/14 4:52p Oleksiyy
+// [TAG]  		EIP154299
+// [Category]  	Improvement
+// [Description]  	Integer + heap potential overflow in SetVariable
+// patched.
+// [Files]  		NvramSmi.c
+// 
+// 16    4/02/13 6:19p Oleksiyy
+// [TAG]  		EIP119970
+// [Category]  	Bug Fix
+// [Severity]  	Important
+// [Symptom]  	NvramSmi handling of very big variable bug
+// [RootCause]  	Out of resources  status returned without enabling
+// interrupts and Smi (previously disabled by call to
+// NvSmiBeginCriticalSection).
+// [Solution]  	Check for size and retutning out of resources moved prior
+// to disablig  interrupts and Smi  in NvSmiBeginCriticalSection.
+// [Files]  		NvramSmi.c
+// 
+// 15    12/13/12 4:39p Oleksiyy
+// [TAG]  		EIP109427
+// [Category]  	Improvement
+// [Description]  	Issues found by CppCheck in NvramSmi eModule.
+// [Files]  		NvramSmi.c
+// 
+// 14    11/28/12 3:19p Oleksiyy
+// [TAG]  		EIP106304
+// [Category]  	Improvement
+// [Description]  	Do not need to publish Dummy protocoll if
+// PI_SPECIFICATION_VERSION<0x1000A.
+// [Files]  		NvramSmi.c
+// 
+// 13    11/07/12 5:41p Oleksiyy
+// [TAG]  		EIP98678
+// [Category]  	Improvement
+// [Description]  	GetVariable()  response slow. Added token to process
+// only SetVariable through SMI.
+// [Files]  		NvramSmi.c, NvramSmi.sdl and NVRAM.mak
+// 
+// 12    10/29/12 4:04p Oleksiyy
+// [TAG]  		EIP102428
+// [Category]  	Improvement
+// [Description]  	Suse 11 SP2 can't boot successfully with uEFI mode and
+// Xen kernel.
+// Os cant handle optimized comands. Switch back to Memcopy.
+// [Files]  		NvramSmi.c
+// 
+// 11    8/09/12 11:14a Oleksiyy
+// [TAG]  		EIP96125
+// [Category]  	Bug Fix
+// [Severity]  	Normal
+// [Symptom]  	System will hang on when GetVariable in SMM
+// [RootCause]  	pSmmBase->InSmm was destriyed during RT.
+// [Solution]  	Check for Legacy Boot Event added.
+// [Files]  		NvramSmi.c
+// 
+// 10    5/22/12 3:46p Oleksiyy
+// [TAG]  		EIP89155
+// [Category]  	Improvement
+// [Description]  	Implementing review comments
+// [Files]  		NvraSmi.c and NvramSmi.sdl
+// 
+// 9     5/08/12 5:54p Oleksiyy
+// [TAG]  		EIP89155
+// [Category]  	Improvement
+// [Description]  	NVRAM SMI module does not boot in PI 1.2
+// [Files]  		NvramSmi.c, NvramSmi.sdl and NvramSmi.dxs
+// 
+// 8     4/20/12 5:26p Oleksiyy
+// [TAG]  		EIP88363
+// [Category]  	Bug Fix
+// [Symptom]  	Build error in NvramSmi when
+// PI_SPECIFICATION_VERSION<0x0001000A
+// [RootCause]  	Variable Virtual was declared dependent from
+// PI_SPECIFICATION_VERSION by mistake.
+// [Solution]  	Dependency from PI_SPECIFICATION_VERSION removed.
+// [Files]  		NvramSmi.c
+// 
+// 7     4/10/12 12:29p Oleksiyy
+// [TAG]  		EIP86642
+// [Category]  	Bug Fix
+// [Severity]  	Normal
+// [Symptom]  	bios post will hang after add the NVRAMSMI module on
+// Mahobay CRB19
+// [RootCause]  	pSmmBase do not exist in PI mode during runtime.
+// [Solution]  	Do not acces pSmmBase after going Virtual.
+// [Files]  		NvramSmi.c
+// 
+// 6     3/29/12 11:06a Oleksiyy
+// [TAG]  		EIP85100
+// [Category]  	Improvement
+// [Description]  	Added handling of using
+// gST->RuntimeServices->GetVariable from SMM
+// 
+// 
+// [Files]  		NvramSmi.c
+// 
+// 5     1/13/12 12:27p Oleksiyy
+// [TAG]  		EIP80096
+// [Category]  	Bug Fix
+// [Severity]  	Normal
+// [Symptom]  	EFI Shell 'time' command hangs on Rose City CRB with label
+// 15 BIOS
+// [RootCause]  	Memory overwriten if too long VariableLength parameter is
+// passed to GatVariable function in NvramSmi.c.
+// [Solution]  	Implementing review comments.
+// [Files]  	NvramSmi.c
+// 
+// 4     1/10/12 5:26p Oleksiyy
+// [TAG]  		EIP80096
+// [Category]  	Bug Fix
+// [Severity]  	Normal
+// [Symptom]  	EFI Shell 'time' command hangs on Rose City CRB with label
+// 15 BIOS
+// [RootCause]  	Memory overwriten if too long VariableLength parameter is
+// passed to GatVariable function in NvramSmi.c.
+// [Solution]  	Check for too long VariableLength parameter is added to
+// GatVariable function in NvramSmi.c. too long VariableLength parameter
+// is added to GatVariable function in NvramSmi.c.
+// [Files]  		NvramSmi.c, NvramSmi.sdl
+// 
+// 3     12/09/11 4:02p Oleksiyy
+// [TAG]  		EIP77762 
+// [Category]  	Improvement
+// [Description]  	Create a initial label for a created NvramSmi eModule.
+// [Files]  		All files in eModule.
+// 
+// 2     11/14/11 5:14p Oleksiyy
+// Dependency from Core Ver added.
+// 
+// 1     11/11/11 3:41p Oleksiyy
+// Initial CheckIn
+// 
+// 1     11/11/11 3:33p Oleksiyy
+// 
+// 3     6/27/11 6:46p Alexp
+// 
+// 2     6/24/11 5:03p Alexp
+// add SecFlash OFBD module
+// upgrade Security modules. use individual module label histories for
+// detalis
+// 
+// 1     6/10/11 1:01p Alexp
+// 
+// 
+//
+//**********************************************************************
+//<AMI_FHDR_START>
+//
+// Name: NvramSmi.c
+//
+// Description: NVRAM SMI DXE driver.
+//
+//<AMI_FHDR_END>
+//**********************************************************************
+//----------------------------------------------------------------------------
+// Includes
+// Statements that include other files
+#include <AmiDxeLib.h>
+#include <AmiCspLib.h>
+#include <Protocol\SmmBase.h>
+#include <Protocol\SmmSwDispatch.h>
+#include "NVRAM.h"
+
+EFI_RUNTIME_SERVICES *SmmpRs = NULL;
+EFI_GUID SmmRtServTableGuid = EFI_SMM_RUNTIME_SERVICES_TABLE_GUID; 
+BOOLEAN ExitBS = FALSE;
+
+#if  PI_SPECIFICATION_VERSION>=0x0001000A
+#include <Protocol\SmmBase2.h>
+#include <Protocol\SmmCommunication.h>
+EFI_HANDLE  VarSmiHandle = NULL;
+EFI_SMM_COMMUNICATION_PROTOCOL *SmmCommProtocol = NULL;
+EFI_GUID gEfiSmmCommunicationProtocolGuid = EFI_SMM_COMMUNICATION_PROTOCOL_GUID;
+
+EFI_SMM_BASE2_PROTOCOL      *InternalSmmBase2 = NULL;
+
+
+//<AMI_PHDR_START>
+//----------------------------------------------------------------------------
+//  Procedure:   LocateCommunicateProt
+//
+//  Description: This function will be called to locate Smm Communication Protocol
+//
+//  Input:  IN EFI_EVENT Event - signalled event
+//          IN VOID *Context - calling context
+//
+//  Output: EFI_STATUS
+//
+//----------------------------------------------------------------------------
+//<AMI_PHDR_END>
+EFI_STATUS LocateCommunicateProt (
+            IN EFI_EVENT    Event, 
+            IN VOID         *Context
+)
+{
+    
+    if (SmmCommProtocol != NULL) 
+        return EFI_SUCCESS;
+
+    return (pBS->LocateProtocol ( &gEfiSmmCommunicationProtocolGuid, 
+                                   NULL, 
+                                   &SmmCommProtocol ));
+ 
+}
+
+#endif
+//----------------------------------------------------------------------------
+// Function Externs
+
+//----------------------------------------------------------------------------
+// Local prototypes
+typedef struct
+{
+    UINT32      Signature;
+    UINT32      VarAttrib;
+    EFI_GUID    VarGuid;
+    UINTN       VarSize;
+    EFI_STATUS  Status;
+    UINT8       Subfunction;
+    UINT64      MaxVarStorageSize;
+    UINT64      RemVarStorageSize;
+    UINT64      MaxVarSize;
+    UINT8       VarData;
+
+} SMI_VARIABLE;
+
+typedef struct
+{
+    BOOLEAN Busy;
+    UINT8   IntState[2];
+
+} NVRAM_SMI_CRITICAL_SECTION;
+
+//----------------------------------------------------------------------------
+// Local Variables
+#define NVRAM_SMI_GUID \
+{0x29C31B9F, 0xD2B9, 0x4900, 0xBD, 0x2A, 0x58, 0x4F, 0x29, 0x12, 0xE3, 0x86}
+#define BDS_CONNECT_DRIVERS_PROTOCOL_GUID \
+{0x3aa83745, 0x9454, 0x4f7a, 0xa7, 0xc0, 0x90, 0xdb, 0xd0, 0x2f, 0xab, 0x8e}
+
+#define NVRAM_SW_SMI 0x2b
+#define SMI_SET_VARIABLE        2
+#if NVRAM_SMI_FULL_PROTECTION == 1
+#define SMI_GET_VARIABLE        1
+#define SMI_GET_NEXT_VAR_NAME   3
+#define SMI_QUERY_VAR_INFO      4
+#endif
+EFI_GUID    gNvramSmiGuid = NVRAM_SMI_GUID;
+VOID        *gNvramBuffer = NULL;
+EFI_EVENT   EvtNvramSmi;
+VOID        *RegNvramSmi;
+NVRAM_SMI_CRITICAL_SECTION NvramSmiCs = {FALSE, {0, 0}};
+
+#if  PI_SPECIFICATION_VERSION>=0x0001000A
+EFI_SMM_COMMUNICATE_HEADER CommHeader = {NVRAM_SMI_GUID, 1 , {0}};
+VOID *CommHeaderPtr;
+#endif
+//----------------------------------------------------------------------------
+// Function Definitions
+//<AMI_PHDR_START>
+//----------------------------------------------------------------------------
+// Procedure:   BeginCriticalSection
+//
+// Description: This function calls when critical section begins. It disables interupts, 
+//              and Smi and fills CRITICAL_SECTION structure fields
+//
+// Input:       CRITICAL_SECTION *Cs - pointer to CRITICAL_SECTION structure
+//
+// Output:      VOID
+//
+//----------------------------------------------------------------------------
+//<AMI_PHDR_END>
+EFI_STATUS 
+NvSmiBeginCriticalSection (
+    NVRAM_SMI_CRITICAL_SECTION      *Cs
+)
+{
+    if (Cs->Busy) return EFI_ACCESS_DENIED;
+    Cs->IntState[0] = IoRead8(0x21);
+    Cs->IntState[1] = IoRead8(0xa1);
+    IoWrite8 (0x21, 0xff);
+    IoWrite8 (0xa1, 0xff);
+    Cs->Busy = TRUE;
+    return EFI_SUCCESS;
+}
+//<AMI_PHDR_START>
+//----------------------------------------------------------------------------
+// Procedure:   EndCriticalSection
+//
+// Description: This function calls when critical section ends. It enable interupts, 
+//              and Smi and fills CRITICAL_SECTION structure fields
+//
+// Input:       CRITICAL_SECTION *Cs - pointer to CRITICAL_SECTION structure
+//
+// Output:      VOID
+//
+//----------------------------------------------------------------------------
+//<AMI_PHDR_END>
+EFI_STATUS
+NvSmiEndCriticalSection (
+    NVRAM_SMI_CRITICAL_SECTION      *Cs
+)
+{
+    Cs->Busy = FALSE;
+    IoWrite8 (0x21, Cs->IntState[0]);
+    IoWrite8 (0xa1, Cs->IntState[1]);
+    return EFI_SUCCESS;
+}
+//<AMI_PHDR_START>
+//----------------------------------------------------------------------------
+// Procedure:   EndCriticalSection
+//
+// Description: TThis function initiates communication between VAR services outside 
+//      of SMM and SMI handlers inside of SMM. With the help of Smm Communication 
+//      Protocol, if it is present, or direct I/O write, if not.
+//
+// Input:       None
+//
+// Output:      VOID
+//
+//----------------------------------------------------------------------------
+//<AMI_PHDR_END>
+VOID InitCommunicate ()
+{
+#if PI_SPECIFICATION_VERSION>=0x0001000A
+
+    UINTN CommSize = sizeof(EFI_SMM_COMMUNICATE_HEADER);
+
+
+    if (SmmCommProtocol)
+        SmmCommProtocol->Communicate (SmmCommProtocol, CommHeaderPtr, &CommSize);
+    else
+#endif
+        IoWrite8 (SW_SMI_IO_ADDRESS, NVRAM_SW_SMI);
+    return;
+}
+
+VOID GetSmmRsPtr()
+{
+    if (SmmpRs == NULL) 
+        SmmpRs = GetSmstConfigurationTable(&SmmRtServTableGuid);
+    return;
+}
+
+#if NVRAM_SMI_FULL_PROTECTION == 1
+//<AMI_PHDR_START>
+//----------------------------------------------------------------------------
+// Procedure:   GetVariableToSmi
+//
+// Description: This function searches for Var with specific GUID and Name
+//
+// Input:       IN CHAR16 *VariableName - pointer to Var Name in Unicode
+//              IN EFI_GUID *VendorGuid - pointer to Var GUID
+//              OPTIONAL OUT UINT32* Attributes - Pointer to memory where Attributes will be returned 
+//              IN OUT UINTN *DataSize - size of Var - if smaller than actual EFI_BUFFER_TOO_SMALL 
+//              will be returned and DataSize will be set to actual size needed
+//              OUT VOID *Data - Pointer to memory where Var will be returned
+//
+// Output:      EFI_STATUS - based on result
+//
+//----------------------------------------------------------------------------
+//<AMI_PHDR_END>
+EFI_STATUS GetVariableToSmi (
+    IN CHAR16 *VariableName, IN EFI_GUID *VendorGuid,
+    OUT UINT32 *Attributes OPTIONAL,
+    IN OUT UINTN *DataSize, OUT VOID *Data
+)
+{
+    EFI_STATUS          Status;
+    UINTN               Length;
+    SMI_VARIABLE        *Buffer;
+    BOOLEAN				InSmm = FALSE;
+    //TRACE((-1,"GetVariableToSmi. Name %S\n", VariableName));
+    if (!VariableName || !VendorGuid || !DataSize || !Data && *DataSize)
+        return EFI_INVALID_PARAMETER;
+    Length = (Wcslen(VariableName) + 1)*sizeof(CHAR16);
+    if ((NVRAM_SIZE - sizeof(SMI_VARIABLE)) <=  Length)
+        return EFI_OUT_OF_RESOURCES;
+    Status = EFI_NO_RESPONSE;
+    if (gNvramBuffer != NULL) {
+        if (EFI_ERROR(NvSmiBeginCriticalSection(&NvramSmiCs))) 
+            return EFI_ACCESS_DENIED;
+        Buffer = (SMI_VARIABLE*)gNvramBuffer;
+
+        Buffer->Subfunction = SMI_GET_VARIABLE;
+        Buffer->Signature = NVAR_SIGNATURE;
+        if (Attributes) Buffer->VarAttrib = *Attributes;
+        Buffer->VarSize = *DataSize;
+        Buffer->Status = Status;
+        MemCpy(&Buffer->VarGuid, VendorGuid, sizeof(EFI_GUID));
+        MemCpy((UINT8*)&Buffer->VarData, (UINT8*)VariableName, Length);
+        if (!ExitBS)
+            pSmmBase->InSmm(pSmmBase, &InSmm);
+        if (!InSmm)
+            InitCommunicate ();
+        else
+        {   
+	        Status = EFI_SECURITY_VIOLATION;  
+            if (pRS->GetVariable == GetVariableToSmi)
+            {  
+		        if (pSmst==NULL)
+		        {
+                    pSmmBase->GetSmstLocation(pSmmBase,&pSmst);
+   		        } 	
+                GetSmmRsPtr(); 
+                if (SmmpRs != NULL)
+		        {  
+                Status = SmmpRs->GetVariable(VariableName, VendorGuid,
+                                                Attributes, DataSize, Data);
+   		        }  
+            }       
+            NvSmiEndCriticalSection (&NvramSmiCs);
+	        return Status;	
+        }
+        Status = Buffer->Status;
+        if (Status != EFI_NO_RESPONSE) {
+
+            if (Status == EFI_BUFFER_TOO_SMALL) *DataSize = Buffer->VarSize;
+            if (!EFI_ERROR(Status)) {
+
+                if (Attributes) *Attributes = Buffer->VarAttrib;
+                *DataSize = Buffer->VarSize;
+                MemCpy((UINT8*)Data, &Buffer->VarData, Buffer->VarSize);
+            }    
+        }
+
+        NvSmiEndCriticalSection (&NvramSmiCs);
+    }       
+    return Status;
+}
+
+//<AMI_PHDR_START>
+//----------------------------------------------------------------------------
+// Procedure:   GetNextVariableNameToSmi
+//
+// Description: This function searches for next Var after Var with specific name and GUID and returns it's Name
+//              in SMM synchronizing Varstors before and after operation. 
+//
+// Input:       IN OUT UINTN *VariableNameSize - size of Varname - if smaller than actual EFI_BUFFER_TOO_SMALL 
+//              will be returned and DataSize will be set to actual size needed
+//              IN OUT CHAR16 *VariableName - pointer where Var Name in Unicode will be stored
+//              IN OUT EFI_GUID *VendorGuid - pointer to menory where Var GUID is stored
+//
+// Output:      EFI_STATUS - based on result
+//
+//----------------------------------------------------------------------------
+//<AMI_PHDR_END>
+EFI_STATUS GetNextVariableNameToSmi (
+    IN OUT UINTN *VariableNameSize,
+    IN OUT CHAR16 *VariableName, IN OUT EFI_GUID *VendorGuid
+)
+{
+    EFI_STATUS          Status;
+    UINTN               Length;
+    SMI_VARIABLE        *Buffer;
+    BOOLEAN				InSmm = FALSE;
+    //TRACE((-1,"GetNextVariableNameToSmi. Name %S\n", VariableName));
+    if ( !VariableNameSize || !VariableName || !VendorGuid)
+        return EFI_INVALID_PARAMETER;
+    Status = EFI_NO_RESPONSE;
+    if (gNvramBuffer != NULL) {
+        if (EFI_ERROR(NvSmiBeginCriticalSection(&NvramSmiCs))) 
+            return EFI_ACCESS_DENIED;
+
+        Length = (Wcslen(VariableName) + 1)*sizeof(CHAR16);
+        Buffer = (SMI_VARIABLE*)gNvramBuffer;
+        Buffer->Subfunction = SMI_GET_NEXT_VAR_NAME;
+        Buffer->Signature = NVAR_SIGNATURE;
+        Buffer->VarSize = *VariableNameSize;
+        Buffer->Status = Status;
+        MemCpy(&Buffer->VarGuid, VendorGuid, sizeof(EFI_GUID));
+        
+        MemCpy((UINT8*)&Buffer->VarData, (UINT8*)VariableName, Length);
+        if (!ExitBS)
+            pSmmBase->InSmm(pSmmBase, &InSmm);
+        if (!InSmm)
+            InitCommunicate ();
+        else
+        {   
+	        Status = EFI_SECURITY_VIOLATION;  
+            if (pRS->GetNextVariableName == GetNextVariableNameToSmi)
+            {
+		        if (pSmst==NULL)
+		        {
+                    pSmmBase->GetSmstLocation(pSmmBase,&pSmst);
+   		        } 	
+                GetSmmRsPtr(); 
+                if (SmmpRs != NULL)
+		        {  
+                Status = SmmpRs->GetNextVariableName(VariableNameSize, VariableName,VendorGuid);
+   		        }  
+            }       
+            NvSmiEndCriticalSection (&NvramSmiCs);
+	        return Status;	
+        }
+
+        Status = Buffer->Status;
+        if (Status != EFI_NO_RESPONSE) {
+
+            *VariableNameSize = Buffer->VarSize;
+            if (!EFI_ERROR(Status)) {
+
+                MemCpy((UINT8*)VariableName, &Buffer->VarData, Buffer->VarSize);
+                MemCpy((UINT8*)VendorGuid, (UINT8*)&Buffer->VarGuid, sizeof(EFI_GUID));
+            }    
+        }
+
+        NvSmiEndCriticalSection (&NvramSmiCs);
+    }       
+
+    return Status;
+}
+
+//<AMI_PHDR_START>
+//----------------------------------------------------------------------------
+// Procedure:   QueryVariableInfoToSmi
+//
+// Description: This function returns parameters of VarStore with passed attributes
+//
+// Input:       IN UINT32 Attributes - Atributes to search for
+//              OUT UINT64 *MaximumVariableStorageSize - Maximum Variable Storage Size
+//              OUT UINT64 *RemainingVariableStorageSize - Remaining Variable Storage Size
+//              OUT UINT64 *MaximumVariableSize - Maximum Variable Size
+//
+// Output:      EFI_STATUS based on result
+//
+//----------------------------------------------------------------------------
+//<AMI_PHDR_END>
+
+EFI_STATUS QueryVariableInfoToSmi (
+    IN UINT32 Attributes,
+    OUT UINT64 *MaximumVariableStorageSize,
+    OUT UINT64 *RemainingVariableStorageSize,
+    OUT UINT64 *MaximumVariableSize
+)
+{
+    
+    EFI_STATUS          Status;
+    SMI_VARIABLE        *Buffer;
+    BOOLEAN				InSmm = FALSE;
+    if (!Attributes || !MaximumVariableStorageSize || !RemainingVariableStorageSize || !MaximumVariableSize)
+        return EFI_INVALID_PARAMETER;
+    //TRACE((-1, "QueryVariableInfoToSmi.\n"));
+    Status = EFI_NO_RESPONSE;
+    if (gNvramBuffer != NULL) { 
+        if (EFI_ERROR(NvSmiBeginCriticalSection(&NvramSmiCs))) 
+            return EFI_ACCESS_DENIED;
+        Buffer = (SMI_VARIABLE*)gNvramBuffer;
+
+        Buffer->Subfunction = SMI_QUERY_VAR_INFO;
+        Buffer->Signature = NVAR_SIGNATURE;
+        Buffer->VarAttrib = Attributes;
+        if (!ExitBS)
+            pSmmBase->InSmm(pSmmBase, &InSmm);
+        if (!InSmm)
+            InitCommunicate ();
+        else
+        {   
+	        Status = EFI_SECURITY_VIOLATION;  
+            if (pRS->QueryVariableInfo == QueryVariableInfoToSmi)
+            {
+		        if (pSmst==NULL)
+		        {
+                    pSmmBase->GetSmstLocation(pSmmBase,&pSmst);
+   		        } 	
+                GetSmmRsPtr(); 
+                if (SmmpRs != NULL)
+		        {  
+                Status = SmmpRs->QueryVariableInfo(Attributes, MaximumVariableStorageSize,
+                                                RemainingVariableStorageSize, MaximumVariableSize);
+   		        }  
+            }       
+            NvSmiEndCriticalSection (&NvramSmiCs);
+	        return Status;	
+        }
+
+        Status = Buffer->Status;
+        if (!EFI_ERROR(Status)) {
+            *MaximumVariableStorageSize = Buffer->MaxVarStorageSize;
+            *RemainingVariableStorageSize = Buffer->RemVarStorageSize;
+            *MaximumVariableSize = Buffer->MaxVarSize;
+        }
+
+        NvSmiEndCriticalSection(&NvramSmiCs);
+    }
+
+    return Status;
+}
+
+#endif //#if NVRAM_SMI_FULL_PROTECTION == 1
+//<AMI_PHDR_START>
+//----------------------------------------------------------------------------
+// Procedure:   SetVariableToSmi
+//
+// Description: This function sets Var with specific GUID, Name and attributes
+//              beginning and ending critical section. 
+//
+// Input:       IN CHAR16 *VariableName - pointer to Var Name in Unicode
+//              IN EFI_GUID *VendorGuid - pointer to Var GUID
+//              IN UINT32 Attributes - Attributes of the Var
+//              IN UINTN DataSize - size of Var
+//              IN VOID *Data - Pointer to memory where Var data is stored
+//
+// Output:      EFI_STATUS - based on result
+//
+//----------------------------------------------------------------------------
+//<AMI_PHDR_END>
+EFI_STATUS SetVariableToSmi (
+    IN CHAR16 *VariableName, IN EFI_GUID *VendorGuid,
+    IN UINT32 Attributes, IN UINTN DataSize, IN VOID *Data
+)
+{
+    EFI_STATUS          Status;
+    UINTN               Length;
+    SMI_VARIABLE        *Buffer;
+    BOOLEAN				InSmm = FALSE;
+    //TRACE((-1,"SetVariableToSmi. Name %S\n", VariableName));
+    if (!VariableName || VariableName[0]==0 || !VendorGuid || (DataSize && !Data)) 
+        return EFI_INVALID_PARAMETER;
+
+    Length = (Wcslen(VariableName) + 1)*sizeof(CHAR16);
+    if (((UINTN)(~0) - DataSize) < Length)
+      return EFI_OUT_OF_RESOURCES; // Prevent whole variable size overflow (if DataSize + Length > UINTN)
+
+    if ((DataSize + Length) > (NVRAM_SIZE - sizeof(SMI_VARIABLE)))
+    	return EFI_OUT_OF_RESOURCES;
+
+    Status = EFI_NO_RESPONSE;
+    if (gNvramBuffer != NULL) { 
+
+        if (EFI_ERROR(NvSmiBeginCriticalSection(&NvramSmiCs))) 
+            return EFI_ACCESS_DENIED;
+
+        Buffer = (SMI_VARIABLE*)gNvramBuffer;
+        
+        Buffer->Subfunction = SMI_SET_VARIABLE;
+        Buffer->Signature = NVAR_SIGNATURE;
+        Buffer->VarAttrib = Attributes;
+        Buffer->VarSize = DataSize;
+        Buffer->Status = Status;
+        MemCpy(&Buffer->VarGuid, VendorGuid, sizeof(EFI_GUID));
+
+        MemCpy(((UINT8*)&Buffer->VarData + DataSize), (UINT8*)VariableName, Length);
+        MemCpy(&Buffer->VarData, (UINT8*)Data, DataSize);
+        if (!ExitBS)
+            pSmmBase->InSmm(pSmmBase, &InSmm);
+        if (!InSmm)
+            InitCommunicate ();
+        else
+        {   
+	        Status = EFI_SECURITY_VIOLATION;  
+            if (pRS->SetVariable == SetVariableToSmi)
+            {
+		        if (pSmst==NULL)
+		        {
+                    pSmmBase->GetSmstLocation(pSmmBase,&pSmst);
+   		        } 	
+                GetSmmRsPtr(); 
+                if (SmmpRs != NULL)
+		        {  
+                Status = SmmpRs->SetVariable(VariableName, VendorGuid,
+                                                Attributes, DataSize, Data);
+   		        }  
+            }       
+            NvSmiEndCriticalSection (&NvramSmiCs);
+	        return Status;	
+        }
+
+        Status = Buffer->Status;
+
+        NvSmiEndCriticalSection(&NvramSmiCs);
+//TRACE((-1, "[ SmiSetVariable - %S %r , Data=%x]\n",VariableName, Status, Data));
+    }
+
+    return Status;
+}
+//<AMI_PHDR_START>
+//----------------------------------------------------------------------------
+//  Procedure:   NvramSmiReadyToBoot
+//
+//  Description: This function will be called when Ready To Boot will signaled
+//  will update data to work in RunTime.
+//
+//  Input:  IN EFI_EVENT Event - signalled event
+//          IN VOID *Context - calling context
+//
+//  Output: VOID
+//
+//----------------------------------------------------------------------------
+//<AMI_PHDR_END>
+VOID NvramSmiReadyToBoot (
+    IN EFI_EVENT    Event, 
+    IN VOID         *Context
+)
+{
+    UINT32 CRC32=0;
+#if NVRAM_SMI_FULL_PROTECTION == 1	
+#if CORE_COMBINED_VERSION > 0x4028b
+    typedef struct
+    {
+        BOOLEAN StopRtDataAccess;
+        //TODO: there are more field inthe mailbox.
+        // we assume that StopRtDataAccess will always be the first field.
+    } NVRAM_MAILBOX;
+
+    #define NVRAM_MAILBOX_ADDRESS_VARIABLE_GUID \
+        {0x54913a6d, 0xf4ee, 0x4cdb, 0x84, 0x75, 0x74, 0x6, 0x2b, 0xfc, 0xec, 0xf5}
+    
+    static EFI_GUID NvRamMailboxVariableGuid = NVRAM_MAILBOX_ADDRESS_VARIABLE_GUID;
+    NVRAM_MAILBOX *NvRamMailbox;
+    EFI_STATUS  Status;
+    UINTN       Size=sizeof(NvRamMailbox);
+
+    Status = pRS->GetVariable(
+        L"NvRamMailbox",&NvRamMailboxVariableGuid,
+        NULL, &Size, &NvRamMailbox
+    );     
+    if (EFI_ERROR(Status)) return ;
+
+    NvRamMailbox->StopRtDataAccess = TRUE;
+    //Make a dummy SMM GetVariable call to process StopRtDataAccess
+    GetVariableToSmi(
+        L"NvRamMailbox",&NvRamMailboxVariableGuid,
+        NULL, &Size, &NvRamMailbox
+    );
+#endif
+#endif //#if NVRAM_SMI_FULL_PROTECTION == 1
+
+    //Init CommHeaderPtr----
+
+    if (gNvramBuffer == NULL) return;
+#if PI_SPECIFICATION_VERSION>=0x0001000A
+    CommHeaderPtr = &CommHeader;
+#endif
+    TRACE((-1, "[ NvramSmi-ReadyToLock ]\n"));
+    pRS->SetVariable = SetVariableToSmi;
+#if NVRAM_SMI_FULL_PROTECTION == 1
+    pRS->GetVariable = GetVariableToSmi;
+    pRS->GetNextVariableName = GetNextVariableNameToSmi; 
+    pRS->QueryVariableInfo = QueryVariableInfoToSmi;
+#endif //#if NVRAM_SMI_FULL_PROTECTION == 1 
+    pRS->Hdr.CRC32 = 0;
+    pBS->CalculateCrc32(pRS, sizeof(*pRS), &CRC32);
+    pRS->Hdr.CRC32 = CRC32;
+}
+//<AMI_PHDR_START>
+//----------------------------------------------------------------------------
+//  Procedure:   NvramSmiVirtualFixup
+//
+//  Description: Called on Virtual address change event and converts 
+//               SmmCommProtocol pointer.
+//
+//  Input:  IN EFI_EVENT Event - signalled event
+//          IN VOID *Context - calling context
+//
+//  Output: VOID
+//
+//----------------------------------------------------------------------------
+//<AMI_PHDR_END>
+VOID NvramSmiVirtualFixup (
+    IN EFI_EVENT    Event, 
+    IN VOID         *Context
+)
+{
+    //TRACE((-1, "NvramSmi-Go Virtual\n"));
+    pRS->ConvertPointer (0, &gNvramBuffer);
+#if PI_SPECIFICATION_VERSION>=0x0001000A
+    if (SmmCommProtocol != NULL)
+        pRS->ConvertPointer (0, (VOID**)&SmmCommProtocol);
+#endif
+
+}
+
+//<AMI_PHDR_START>
+//----------------------------------------------------------------------------
+//  Procedure:   NvramSmiVirtualFixup
+//
+//  Description: Called on Exit BS and updates ExitBS variable 
+//              
+//
+//  Input:  IN EFI_EVENT Event - signalled event
+//          IN VOID *Context - calling context
+//
+//  Output: VOID
+//
+//----------------------------------------------------------------------------
+//<AMI_PHDR_END>
+VOID NvramSmiExitBs (
+    IN EFI_EVENT    Event, 
+    IN VOID         *Context
+)
+{
+    ExitBS = TRUE;
+}
+//<AMI_PHDR_START>
+//----------------------------------------------------------------------------
+//
+// Procedure:   NotInSmmFunction
+//
+// Description: This is the "NotInSmmFunction" parameter for the 
+//              InitSmmHandler function in the entry point. It allocates 
+//              memory for parameters buffer, saves its location, etc.
+//
+// Input:       EFI_HANDLE          - ImageHandle
+//              EFI_SYSTEM_TABLE*   - SystemTable
+//
+// Output:      EFI_STATUS
+//
+//----------------------------------------------------------------------------
+//<AMI_PHDR_END>
+EFI_STATUS NotInSmmFunction(
+    IN EFI_HANDLE          ImageHandle,
+    IN EFI_SYSTEM_TABLE    *SystemTable
+)
+{
+    EFI_STATUS  Status;
+    EFI_EVENT   EvtReadyToBoot, EvtExitBS;
+#if  PI_SPECIFICATION_VERSION>=0x0001000A  
+    EFI_EVENT   EvtComm;
+#endif
+    VOID        *RegReadyToBoot, *RegComm;
+    static EFI_GUID    StartNvramSmiServicesGuid = NVRAM_START_SMI_SERVICES_GUID;
+    static EFI_GUID    DummyProtocolGuid = { 0xc35f952, 0x5791, 0x4667, { 0xad, 0xe4, 0x1c, 0xfd, 0xa8, 0x37, 0x72, 0x2d } };
+    EFI_HANDLE  DummyHandle = NULL;
+
+    //TRACE((-1,"SmiNVRAM NotInSmmFunction.\n"));
+    gNvramBuffer = NULL;
+    Status = pBS->AllocatePool ( EfiRuntimeServicesData, 
+                                 NVRAM_SIZE, 
+                                 &gNvramBuffer );
+    if (EFI_ERROR(Status)) return EFI_SUCCESS;
+
+    Status = pRS->SetVariable ( L"NvramSmiBuffer", 
+                                &gNvramSmiGuid, 
+                                EFI_VARIABLE_BOOTSERVICE_ACCESS, 
+                                sizeof(gNvramBuffer), 
+                                &gNvramBuffer  );
+    if (EFI_ERROR(Status)) return EFI_SUCCESS;
+
+    InitAmiRuntimeLib(
+                    ImageHandle, SystemTable, NvramSmiExitBs, NvramSmiVirtualFixup
+                    );
+    CreateLegacyBootEvent(TPL_CALLBACK, &NvramSmiExitBs, NULL, &EvtExitBS);
+    Status = RegisterProtocolCallback ( &StartNvramSmiServicesGuid, 
+                                        NvramSmiReadyToBoot, 
+                                        NULL, 
+                                        &EvtReadyToBoot, 
+                                        &RegReadyToBoot );
+    ASSERT_EFI_ERROR (Status);
+#if  PI_SPECIFICATION_VERSION>=0x0001000A    
+    Status = LocateCommunicateProt (NULL, NULL);
+
+    if (EFI_ERROR(Status)){
+
+        Status = RegisterProtocolCallback ( &gEfiSmmCommunicationProtocolGuid, 
+                                            LocateCommunicateProt, 
+                                            NULL, 
+                                            &EvtComm, 
+                                            &RegComm );
+    }
+    //---Installing a Dummy protocol, on which Smm part is relying to make sure 
+    //---InSmm function will start after NotInSmm
+    pBS->InstallProtocolInterface (
+        &DummyHandle, &DummyProtocolGuid, EFI_NATIVE_INTERFACE, NULL
+    );
+#endif
+    return Status;    
+}
+//<AMI_PHDR_START>
+//----------------------------------------------------------------------------
+//
+// Procedure:   NvramSmiHandler
+//
+// Description: The SMI handler for Nvram services.
+//
+// Input:       NONE
+//              
+//
+// Output:      EFI_STATUS
+//
+//----------------------------------------------------------------------------
+//<AMI_PHDR_END>
+
+EFI_STATUS NvramSmiHandler ()
+{
+    EFI_STATUS              Status = EFI_DEVICE_ERROR;
+    SMI_VARIABLE            *SmmVarBuffer;
+
+    SmmVarBuffer = (SMI_VARIABLE*)gNvramBuffer;
+
+    if (SmmVarBuffer->Signature != NVAR_SIGNATURE) return Status;
+    
+    switch (SmmVarBuffer->Subfunction){
+
+        case SMI_SET_VARIABLE:
+        //TRACE((-1,"SmiNVRAM Handler. SMI_SET_VARIABLE \n"));
+        Status = pRS->SetVariable ( (CHAR16*)((UINT8*)&SmmVarBuffer->VarData + SmmVarBuffer->VarSize), 
+                                    &SmmVarBuffer->VarGuid, 
+                                    SmmVarBuffer->VarAttrib, 
+                                    SmmVarBuffer->VarSize, 
+                                    &SmmVarBuffer->VarData);
+        break;
+#if NVRAM_SMI_FULL_PROTECTION == 1
+        case SMI_GET_VARIABLE:
+        //TRACE((-1,"SmiNVRAM Handler. SMI_GET_VARIABLE \n"));
+
+        Status = pRS->GetVariable ( (CHAR16*) &SmmVarBuffer->VarData, 
+                                    &SmmVarBuffer->VarGuid, 
+                                    &SmmVarBuffer->VarAttrib, 
+                                    &SmmVarBuffer->VarSize, 
+                                    &SmmVarBuffer->VarData);
+        break;
+
+        case SMI_GET_NEXT_VAR_NAME:
+        //TRACE((-1,"SmiNVRAM Handler. SMI_GET_NEXT_VAR_NAME \n"));
+        Status = pRS->GetNextVariableName ( &SmmVarBuffer->VarSize, 
+                                    (CHAR16*) &SmmVarBuffer->VarData, 
+                                    &SmmVarBuffer->VarGuid);	
+        break;
+
+        case SMI_QUERY_VAR_INFO:
+        //TRACE((-1,"SmiNVRAM Handler. SMI_QUERY_VAR_INFO \n"));
+        Status = pRS->QueryVariableInfo ( SmmVarBuffer->VarAttrib, 
+                                    &SmmVarBuffer->MaxVarStorageSize, 
+                                    &SmmVarBuffer->RemVarStorageSize, 
+                                    &SmmVarBuffer->MaxVarSize);	
+        break;
+#endif //#if NVRAM_SMI_FULL_PROTECTION == 1
+        default: return Status;
+	}
+    //TRACE((-1,"SmiNVRAM Handler. END\n"));
+    SmmVarBuffer->Status = Status;
+    SmmVarBuffer->Subfunction = 0; 
+    SmmVarBuffer->Signature = ~NVAR_SIGNATURE; 
+
+    return Status;                                          
+}
+
+
+#if  PI_SPECIFICATION_VERSION>=0x0001000A
+EFI_STATUS NvramSmiHandler1 (
+  IN     EFI_HANDLE                                DispatchHandle,
+  IN     CONST VOID                                *Context,
+  IN OUT VOID                                      *CommBuffer,
+  IN OUT UINTN                                     *CommBufferSize
+  )
+{
+
+    if (gNvramBuffer == NULL) 
+        return EFI_DEVICE_ERROR;
+    
+    return NvramSmiHandler();
+    
+}
+#endif
+
+
+EFI_STATUS NvramSmiHandler2 (
+    IN  EFI_HANDLE                  DispatchHandle,
+    IN  EFI_SMM_SW_DISPATCH_CONTEXT *DispatchContext
+)
+
+{
+
+    if ((gNvramBuffer == NULL) || ((UINT8)DispatchContext->SwSmiInputValue != NVRAM_SW_SMI)) 
+        return EFI_DEVICE_ERROR;
+    return NvramSmiHandler();
+
+}
+
+//<AMI_PHDR_START>
+//----------------------------------------------------------------------------
+//
+// Procedure:   NvramSmiSmmSwDispatchCallback
+//
+// Description: This function registers SMI Handler for Nvram services
+//
+// Input:  IN EFI_EVENT Event - signalled event
+//          IN VOID *Context - calling context
+//              
+// Output:  NONE    
+//
+//----------------------------------------------------------------------------
+//<AMI_PHDR_END>
+VOID NvramSmiSmmSwDispatchCallback(
+    IN EFI_EVENT Event,
+    IN VOID *Context
+)
+{
+
+    EFI_SMM_SW_DISPATCH_PROTOCOL    *pSwDispatch;
+    EFI_SMM_SW_DISPATCH_CONTEXT     SwContext;
+    EFI_HANDLE                      Handle;
+    EFI_STATUS                      Status;
+    UINTN                           VariableSize = sizeof(gNvramBuffer);
+
+    if(gNvramBuffer) return; // already came here once...
+
+    Status = pBS->LocateProtocol ( &gEfiSmmSwDispatchProtocolGuid, 
+                                   NULL, 
+                                   &pSwDispatch );
+    if (EFI_ERROR(Status)) return;
+
+    Status = pRS->GetVariable ( L"NvramSmiBuffer", 
+                                &gNvramSmiGuid, 
+                                NULL, 
+                                &VariableSize, 
+                                &gNvramBuffer );
+    if ((EFI_ERROR(Status)) || (gNvramBuffer == NULL)) return;
+
+    SwContext.SwSmiInputValue = NVRAM_SW_SMI;
+    Status  = pSwDispatch->Register ( pSwDispatch, 
+                                      NvramSmiHandler2, 
+                                      &SwContext, 
+                                      &Handle );
+    pBS->CloseEvent (Event);
+}
+//<AMI_PHDR_START>
+//----------------------------------------------------------------------------
+//
+// Procedure:   InSmmFunction
+//
+// Description: Registration of the SMI function.
+//
+// Input:       EFI_HANDLE          - ImageHandle
+//              EFI_SYSTEM_TABLE*   - SystemTable
+//
+// Output:      EFI_STATUS
+//
+//----------------------------------------------------------------------------
+//<AMI_PHDR_END>
+EFI_STATUS InSmmFunction(
+    IN EFI_HANDLE          ImageHandle,
+    IN EFI_SYSTEM_TABLE    *SystemTable
+)
+{
+    EFI_STATUS                      Status;
+
+#if  PI_SPECIFICATION_VERSION>=0x0001000A
+
+    EFI_SMM_SYSTEM_TABLE2       *pSmst2           = NULL;
+
+#endif
+
+    //TRACE((-1, "In NvramSmi InSmmFunction\n"));
+    NvramSmiSmmSwDispatchCallback (EvtNvramSmi, RegNvramSmi);                                    
+
+    Status = RegisterProtocolCallback ( &gEfiSmmSwDispatchProtocolGuid, 
+                                        NvramSmiSmmSwDispatchCallback, 
+                                        NULL, 
+                                        &EvtNvramSmi, 
+                                        &RegNvramSmi );
+
+#if  PI_SPECIFICATION_VERSION>=0x0001000A
+
+    Status = SystemTable->BootServices->LocateProtocol (
+                                        &gEfiSmmBase2ProtocolGuid,
+                                        NULL,
+                                        (VOID **)&InternalSmmBase2
+                                        );
+    ASSERT_EFI_ERROR (Status);
+
+    Status = InternalSmmBase2->GetSmstLocation (InternalSmmBase2, &pSmst2);
+    ASSERT_EFI_ERROR (Status);
+    ASSERT (pSmst2 != NULL);
+    Status = pSmst2->SmiHandlerRegister(&NvramSmiHandler1, &gNvramSmiGuid, &VarSmiHandle);
+    ASSERT_EFI_ERROR (Status);
+
+#endif
+
+    return Status;
+}
+//<AMI_PHDR_START>
+//----------------------------------------------------------------------------
+//
+// Procedure:   NvramSmiEntryPoint
+//
+// Description: DXE Entry Point for NvramSmi Driver.
+//
+// Input:       EFI_HANDLE          - ImageHandle
+//              EFI_SYSTEM_TABLE*   - SystemTable
+//
+// Output:      EFI_STATUS
+//
+//----------------------------------------------------------------------------
+//<AMI_PHDR_END>
+EFI_STATUS
+NvramSmiEntry (
+  IN EFI_HANDLE             ImageHandle,
+  IN EFI_SYSTEM_TABLE       *SystemTable
+)
+{
+
+    InitAmiLib(ImageHandle, SystemTable);
+
+    return InitSmmHandlerEx(
+               ImageHandle, SystemTable, InSmmFunction, NotInSmmFunction
+           );
+
+}
+//*************************************************************************
+//*************************************************************************
+//**                                                                     **
+//**        (C)Copyright 1985-2012, American Megatrends, Inc.            **
+//**                                                                     **
+//**                       All Rights Reserved.                          **
+//**                                                                     **
+//**      5555 Oakbrook Parkway, Suite 200, Norcross, GA 30093           **
+//**                                                                     **
+//**                       Phone: (770)-246-8600                         **
+//**                                                                     **
+//*************************************************************************
+//*************************************************************************
diff --git a/Core/EM/NvramSmi/NvramSmi.chm b/Core/EM/NvramSmi/NvramSmi.chm
new file mode 100644
index 0000000..c973a8c
--- /dev/null
+++ b/Core/EM/NvramSmi/NvramSmi.chm
diff --git a/Core/EM/NvramSmi/NvramSmi.cif b/Core/EM/NvramSmi/NvramSmi.cif
new file mode 100644
index 0000000..ba46269
--- /dev/null
+++ b/Core/EM/NvramSmi/NvramSmi.cif
@@ -0,0 +1,14 @@
+<component>
+	name = "NVRAM SMI"
+	category = eModule
+	LocalRoot = "Core\EM\NvramSmi"
+	RefName = "NvramSmi"
+[files]
+"NvramSmi.sdl"	
+"NvramSmi.mak"	
+"NvramSmi.c"	
+"NvramSmi.dxs"
+"NvramSmiPi1.dxs"
+"NvramSmiDxe.dxs"
+"NvramSmi.chm"	
+<endComponent>
diff --git a/Core/EM/NvramSmi/NvramSmi.dxs b/Core/EM/NvramSmi/NvramSmi.dxs
new file mode 100644
index 0000000..cf3cd4a
--- /dev/null
+++ b/Core/EM/NvramSmi/NvramSmi.dxs
@@ -0,0 +1,79 @@
+//*************************************************************************
+//*************************************************************************
+//**                                                                     **
+//**        (C)Copyright 1985-2011, American Megatrends, Inc.            **
+//**                                                                     **
+//**                       All Rights Reserved.                          **
+//**                                                                     **
+//**      5555 Oakbrook Parkway, Suite 200, Norcross, GA 30093           **
+//**                                                                     **
+//**                       Phone: (770)-246-8600                         **
+//**                                                                     **
+//*************************************************************************
+//*************************************************************************
+//**********************************************************************
+// $Header: /Alaska/SOURCE/Modules/NvramSmi/NvramSmi.dxs 4     5/08/12 5:54p Oleksiyy $
+//
+// $Revision: 4 $
+//
+// $Date: 5/08/12 5:54p $
+//**********************************************************************
+// Revision History
+// ----------------
+// $Log: /Alaska/SOURCE/Modules/NvramSmi/NvramSmi.dxs $
+// 
+// 4     5/08/12 5:54p Oleksiyy
+// [TAG]  		EIP89155
+// [Category]  	Improvement
+// [Description]  	NVRAM SMI module does not boot in PI 1.2
+// [Files]  		NvramSmi.c, NvramSmi.sdl and NvramSmi.dxs
+// 
+// 3     4/04/12 5:26p Oleksiyy
+// [TAG]  		EIP86730
+// [Category]  	Improvement
+// [Description]  	Update chm file for NvramSmi module - Header
+// description added.
+// [Files]  		NvramSmi.dxs, NvramSmiDxe.dxs and NvramSmi.mak.
+// 
+// 2     12/09/11 4:02p Oleksiyy
+// [TAG]  		EIP77762 
+// [Category]  	Improvement
+// [Description]  	Create a initial label for a created NvramSmi eModule.
+// [Files]  		All files in eModule.
+// 
+// 1     11/11/11 3:41p Oleksiyy
+// Initial CheckIn
+// 
+// 1     11/11/11 3:33p Oleksiyy
+// 
+// 1     8/11/11 7:08p Alexp
+// 
+//
+//**********************************************************************
+//<AMI_FHDR_START>
+//
+// Name:	NvramSMI_dxs
+//
+// Description: Dependency expression for the NvramSmi module.
+//
+//<AMI_FHDR_END>
+//**********************************************************************
+#include <Protocol/SmmSwDispatch.h>
+DEPENDENCY_START
+  EFI_SMM_SW_DISPATCH_PROTOCOL_GUID AND
+  {0xc35f952, 0x5791, 0x4667, 0xad, 0xe4, 0x1c, 0xfd, 0xa8, 0x37, 0x72, 0x2d}
+DEPENDENCY_END
+
+//*************************************************************************
+//*************************************************************************
+//**                                                                     **
+//**        (C)Copyright 1985-2011, American Megatrends, Inc.            **
+//**                                                                     **
+//**                       All Rights Reserved.                          **
+//**                                                                     **
+//**      5555 Oakbrook Parkway, Suite 200, Norcross, GA 30093           **
+//**                                                                     **
+//**                       Phone: (770)-246-8600                         **
+//**                                                                     **
+//*************************************************************************
+//*************************************************************************
+\ No newline at end of file
diff --git a/Core/EM/NvramSmi/NvramSmi.mak b/Core/EM/NvramSmi/NvramSmi.mak
new file mode 100644
index 0000000..f44dcac
--- /dev/null
+++ b/Core/EM/NvramSmi/NvramSmi.mak
@@ -0,0 +1,108 @@
+#*************************************************************************
+#*************************************************************************
+#**                                                                     **
+#**        (C)Copyright 1985-2011, American Megatrends, Inc.            **
+#**                                                                     **
+#**                       All Rights Reserved.                          **
+#**                                                                     **
+#**      5555 Oakbrook Parkway, Suite 200, Norcross, GA 30093           **
+#**                                                                     **
+#**                       Phone: (770)-246-8600                         **
+#**                                                                     **
+#*************************************************************************
+#*************************************************************************
+
+#**********************************************************************
+# $Header: /Alaska/SOURCE/Modules/NvramSmi/NvramSmi.mak 4     11/28/12 3:37p Oleksiyy $
+#
+# $Revision: 4 $
+#
+# $Date: 11/28/12 3:37p $
+#**********************************************************************
+# Revision History
+# ----------------
+# $Log: /Alaska/SOURCE/Modules/NvramSmi/NvramSmi.mak $
+# 
+# 4     11/28/12 3:37p Oleksiyy
+# [TAG]  		EIP106304
+# [Category]  	Improvement
+# [Description]  	Separate dxs file added for
+# PI_SPECIFICATION_VERSION<0x1000A scenario.
+# [Files]  		NvramSmi.mak
+# 
+# 3     4/04/12 5:27p Oleksiyy
+# [TAG]  		EIP86730
+# [Category]  	Improvement
+# [Description]  	Update chm file for NvramSmi module - Header
+# description added.
+# [Files]  		NvramSmi.dxs, NvramSmiDxe.dxs and NvramSmi.mak.
+# 
+# 2     12/09/11 4:01p Oleksiyy
+# [TAG]  		EIP77762 
+# [Category]  	Improvement
+# [Description]  	Create a initial label for a created NvramSmi eModule.
+# [Files]  		All files in eModule.
+# 
+# 1     11/11/11 3:41p Oleksiyy
+# Initial CheckIn
+# 
+# 1     11/11/11 3:33p Oleksiyy
+# 
+# 2     8/12/11 12:19p Alexp
+# 
+# 1     6/10/11 1:01p Alexp
+# 
+#
+#**********************************************************************
+#<AMI_FHDR_START>
+#
+# Name: NvramSmi.mak 
+#
+# Description: Make file to build NvramSmi module
+#
+#<AMI_FHDR_END>
+#**********************************************************************
+
+all: NvramSmi
+
+NvramSmi: $(BUILD_DIR)\NvramSmi.mak NvramSmiBin
+
+#---------------------------------------------------------------------------
+# Create PEI RAM BOOT dependencies
+#---------------------------------------------------------------------------
+$(BUILD_DIR)\NvramSmi.mak : $(NvramSmi_DIR)\$(@B).cif $(NvramSmi_DIR)\$(@B).mak $(BUILD_RULES)
+	$(CIF2MAK) $(NvramSmi_DIR)\$(@B).cif $(CIF2MAK_DEFAULTS)
+#---------------------------------------------------------------------------
+
+NvramSmiBin : $(AMIDXELIB)
+	$(MAKE) /$(MAKEFLAGS) $(BUILD_DEFAULTS)\
+		/f $(BUILD_DIR)\NvramSmi.mak all\
+		GUID=842A454A-75E5-408B-8B1C-36420E4E3F21\
+		ENTRY_POINT=NvramSmiEntry\
+        "CFLAGS=$(CFLAGS) /I$(NvramSmi_DIR) /I$(NVRAM_DIR)"\
+        "EXT_HEADERS=$(BUILD_DIR)\token.h"\
+!IF $(PI_SPECIFICATION_VERSION)<0x1000A
+        DEPEX1=$(NvramSmi_DIR)\NvramSmiPi1.DXS \
+        TYPE=RT_DRIVER \
+!ELSE
+        TYPE=DXESMM_DRIVER PE_TYPE=RT_DRIVER \
+        DEPEX1=$(NvramSmi_DIR)\NvramSmi.DXS \
+        DEPEX1_TYPE=EFI_SECTION_SMM_DEPEX \
+        DEPEX2=$(NvramSmi_DIR)\NvramSmiDxe.DXS \
+        DEPEX2_TYPE=EFI_SECTION_DXE_DEPEX \
+!ENDIF
+		COMPRESS=1\
+#---------------------------------------------------------------------------
+#*************************************************************************
+#*************************************************************************
+#**                                                                     **
+#**        (C)Copyright 1985-2011, American Megatrends, Inc.            **
+#**                                                                     **
+#**                       All Rights Reserved.                          **
+#**                                                                     **
+#**      5555 Oakbrook Parkway, Suite 200, Norcross, GA 30093           **
+#**                                                                     **
+#**                       Phone: (770)-246-8600                         **
+#**                                                                     **
+#*************************************************************************
+#*************************************************************************
+\ No newline at end of file
diff --git a/Core/EM/NvramSmi/NvramSmi.sdl b/Core/EM/NvramSmi/NvramSmi.sdl
new file mode 100644
index 0000000..a41940a
--- /dev/null
+++ b/Core/EM/NvramSmi/NvramSmi.sdl
@@ -0,0 +1,111 @@
+#****************************************************************************
+#****************************************************************************
+#**                                                                        **
+#**           (C)Copyright 1985-2011, American Megatrends, Inc.            **
+#**                                                                        **
+#**                          All Rights Reserved.                          **
+#**                                                                        **
+#**           5555 Oakbrook Parkway, Suite 200, Norcross, GA 30071         **
+#**                                                                        **
+#**                          Phone (770)-246-8600                          **
+#**                                                                        **
+#****************************************************************************
+#****************************************************************************
+#****************************************************************************
+# $Header: /Alaska/SOURCE/Modules/NvramSmi/NvramSmi.sdl 5     11/07/12 5:41p Oleksiyy $
+#
+# $Revision: 5 $
+#
+# $Date: 11/07/12 5:41p $
+#
+#****************************************************************************
+# Revision History
+# ----------------
+# $Log: /Alaska/SOURCE/Modules/NvramSmi/NvramSmi.sdl $
+# 
+# 5     11/07/12 5:41p Oleksiyy
+# [TAG]  		EIP98678
+# [Category]  	Improvement
+# [Description]  	GetVariable()  response slow. Added token to process
+# only SetVariable through SMI.
+# [Files]  		NvramSmi.c, NvramSmi.sdl and NVRAM.mak
+# 
+# 4     5/22/12 3:46p Oleksiyy
+# [TAG]  		EIP89155
+# [Category]  	Improvement
+# [Description]  	Implementing review comments
+# [Files]  		NvraSmi.c and NvramSmi.sdl
+# 
+# 3     5/08/12 5:54p Oleksiyy
+# [TAG]  		EIP89155
+# [Category]  	Improvement
+# [Description]  	NVRAM SMI module does not boot in PI 1.2
+# [Files]  		NvramSmi.c, NvramSmi.sdl and NvramSmi.dxs
+# 
+# 2     1/10/12 5:26p Oleksiyy
+# [TAG]  		EIP80096
+# [Category]  	Bug Fix
+# [Severity]  	Normal
+# [Symptom]  	EFI Shell 'time' command hangs on Rose City CRB with label
+# 15 BIOS
+# [RootCause]  	Memory overwriten if too long VariableLength parameter is
+# passed to GatVariable function in NvramSmi.c.
+# [Solution]  	Check for too long VariableLength parameter is added to
+# GatVariable function in NvramSmi.c. too long VariableLength parameter
+# is added to GatVariable function in NvramSmi.c.
+# [Files]  		NvramSmi.c, NvramSmi.sdl
+# 
+# 1     11/11/11 3:41p Oleksiyy
+# Initial CheckIn
+# 
+# 1     11/11/11 3:33p Oleksiyy
+# 
+# 2     8/12/11 12:19p Alexp
+# 
+# 1     6/10/11 1:01p Alexp
+# 
+#
+#****************************************************************************
+TOKEN
+	Name  = "NvramSmiSupport"
+	Value  = "1"
+	Help  = "Main switch to enable NVRAM SMI support in Project"
+	TokenType = Boolean
+	TargetEQU = Yes
+	TargetMAK = Yes
+	TargetH = Yes
+	Master = Yes
+End
+
+TOKEN
+	Name  = "NVRAM_SMI_FULL_PROTECTION"
+	Value  = "0"
+	Help  = "Switch to enable full SMI protection. If ON all NVRAM services will be handled through SMIs (maximum protection but slowest speed). If OFF only SetVariable will processed through SMI (minimum requirement for Secure Flash)."
+	TokenType = Boolean
+	TargetMAK = Yes
+	TargetH = Yes
+End
+
+TOKEN
+    Name  = "NVRAM_START_SMI_SERVICES_GUID"
+    Value  = "{0x3aa83745, 0x9454, 0x4f7a, 0xa7, 0xc0, 0x90, 0xdb, 0xd0, 0x2f, 0xab, 0x8e}"
+    Help  = "This guid is used to register callback on which NVRAM services will transfered to SMI. (By default it is BDS_CONNECT_DRIVERS_PROTOCOL_GUID"
+    TokenType = Expression
+    TargetH = Yes
+End
+
+PATH
+	Name  = "NvramSmi_DIR"
+End
+
+MODULE
+	Help  = "Includes NvramSmi.mak to Project"
+	File  = "NvramSmi.mak"
+End
+
+ELINK
+	Name  = "$(BUILD_DIR)\NvramSmi.ffs"
+	Parent  = "FV_MAIN"
+	InvokeOrder = AfterParent
+End
+
diff --git a/Core/EM/NvramSmi/NvramSmiDxe.dxs b/Core/EM/NvramSmi/NvramSmiDxe.dxs
new file mode 100644
index 0000000..6f5b517
--- /dev/null
+++ b/Core/EM/NvramSmi/NvramSmiDxe.dxs
@@ -0,0 +1,72 @@
+//*************************************************************************
+//*************************************************************************
+//**                                                                     **
+//**        (C)Copyright 1985-2011, American Megatrends, Inc.            **
+//**                                                                     **
+//**                       All Rights Reserved.                          **
+//**                                                                     **
+//**      5555 Oakbrook Parkway, Suite 200, Norcross, GA 30093           **
+//**                                                                     **
+//**                       Phone: (770)-246-8600                         **
+//**                                                                     **
+//*************************************************************************
+//*************************************************************************
+//**********************************************************************
+// $Header: /Alaska/SOURCE/Modules/NvramSmi/NvramSmiDxe.dxs 3     4/04/12 5:28p Oleksiyy $
+//
+// $Revision: 3 $
+//
+// $Date: 4/04/12 5:28p $
+//**********************************************************************
+// Revision History
+// ----------------
+// $Log: /Alaska/SOURCE/Modules/NvramSmi/NvramSmiDxe.dxs $
+// 
+// 3     4/04/12 5:28p Oleksiyy
+// [TAG]  		EIP86730
+// [Category]  	Improvement
+// [Description]  	Update chm file for NvramSmi module - Header
+// description added.
+// [Files]  		NvramSmi.dxs, NvramSmiDxe.dxs and NvramSmi.mak.
+// 
+// 2     12/09/11 4:02p Oleksiyy
+// [TAG]  		EIP77762 
+// [Category]  	Improvement
+// [Description]  	Create a initial label for a created NvramSmi eModule.
+// [Files]  		All files in eModule.
+// 
+// 1     11/11/11 3:41p Oleksiyy
+// Initial CheckIn
+// 
+// 1     11/11/11 3:33p Oleksiyy
+// 
+// 1     8/11/11 7:08p Alexp
+// 
+//
+//**********************************************************************
+//<AMI_FHDR_START>
+//
+// Name:	NvramSmiDxe_dxs
+//
+// Description: DXE Dependency expression for the NvramSmi module.
+//
+//<AMI_FHDR_END>
+//**********************************************************************
+#include <Protocol\SmmBase2.h>
+DEPENDENCY_START
+    EFI_SMM_BASE2_PROTOCOL_GUID  
+DEPENDENCY_END
+
+//*************************************************************************
+//*************************************************************************
+//**                                                                     **
+//**        (C)Copyright 1985-2011, American Megatrends, Inc.            **
+//**                                                                     **
+//**                       All Rights Reserved.                          **
+//**                                                                     **
+//**      5555 Oakbrook Parkway, Suite 200, Norcross, GA 30093           **
+//**                                                                     **
+//**                       Phone: (770)-246-8600                         **
+//**                                                                     **
+//*************************************************************************
+//*************************************************************************
+\ No newline at end of file
diff --git a/Core/EM/NvramSmi/NvramSmiPi1.dxs b/Core/EM/NvramSmi/NvramSmiPi1.dxs
new file mode 100644
index 0000000..4a63cb5
--- /dev/null
+++ b/Core/EM/NvramSmi/NvramSmiPi1.dxs
@@ -0,0 +1,66 @@
+//*************************************************************************
+//*************************************************************************
+//**                                                                     **
+//**        (C)Copyright 1985-2011, American Megatrends, Inc.            **
+//**                                                                     **
+//**                       All Rights Reserved.                          **
+//**                                                                     **
+//**      5555 Oakbrook Parkway, Suite 200, Norcross, GA 30093           **
+//**                                                                     **
+//**                       Phone: (770)-246-8600                         **
+//**                                                                     **
+//*************************************************************************
+//*************************************************************************
+//**********************************************************************
+// $Header: /Alaska/SOURCE/Modules/NvramSmi/NvramSmiPi1.dxs 2     11/28/12 3:02p Oleksiyy $
+//
+// $Revision: 2 $
+//
+// $Date: 11/28/12 3:02p $
+//**********************************************************************
+// Revision History
+// ----------------
+// $Log: /Alaska/SOURCE/Modules/NvramSmi/NvramSmiPi1.dxs $
+// 
+// 2     11/28/12 3:02p Oleksiyy
+// [TAG]  		EIP106304
+// [Category]  	Improvement
+// [Description]  	Fixing Headers.
+// [Files]  		NvramSmiPi1.dxs
+// 
+// 1     11/28/12 2:47p Oleksiyy
+// [TAG]  		EIP106304
+// [Category]  	Improvement
+// [Description]  	Create a new label of NvramSmi eModule.
+// [Files]  		NvramSmiPi1.dxs
+// 
+// 
+//
+//**********************************************************************
+//<AMI_FHDR_START>
+//
+// Name:	NvramSmiPi1.dxs
+//
+// Description: Dependency expression for the NvramSmi module used if
+// PI_SPECIFICATION_VERSION<0x1000A.
+//
+//<AMI_FHDR_END>
+//**********************************************************************
+#include <Protocol/SmmSwDispatch.h>
+DEPENDENCY_START
+  EFI_SMM_SW_DISPATCH_PROTOCOL_GUID
+DEPENDENCY_END
+
+//*************************************************************************
+//*************************************************************************
+//**                                                                     **
+//**        (C)Copyright 1985-2011, American Megatrends, Inc.            **
+//**                                                                     **
+//**                       All Rights Reserved.                          **
+//**                                                                     **
+//**      5555 Oakbrook Parkway, Suite 200, Norcross, GA 30093           **
+//**                                                                     **
+//**                       Phone: (770)-246-8600                         **
+//**                                                                     **
+//*************************************************************************
+//*************************************************************************
+\ No newline at end of file