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-rw-r--r--MdeModulePkg/Universal/EmuVariableRuntimeDxe/EmuVariable.c849
-rw-r--r--MdeModulePkg/Universal/EmuVariableRuntimeDxe/EmuVariable.msa75
-rw-r--r--MdeModulePkg/Universal/EmuVariableRuntimeDxe/EmuVariableRuntimeDxe.inf106
-rw-r--r--MdeModulePkg/Universal/EmuVariableRuntimeDxe/InitVariable.c214
-rw-r--r--MdeModulePkg/Universal/EmuVariableRuntimeDxe/Variable.h171
-rw-r--r--MdeModulePkg/Universal/PcatCompatible/RealTimeClockRuntimeDxe/Ia32/Ia32PcRtc.c173
-rw-r--r--MdeModulePkg/Universal/PcatCompatible/RealTimeClockRuntimeDxe/PcRtc.c1071
-rw-r--r--MdeModulePkg/Universal/PcatCompatible/RealTimeClockRuntimeDxe/PcRtc.h514
-rw-r--r--MdeModulePkg/Universal/PcatCompatible/RealTimeClockRuntimeDxe/RealTimeClockRuntimeDxe.inf105
-rw-r--r--MdeModulePkg/Universal/PcatCompatible/RealTimeClockRuntimeDxe/RealTimeClockRuntimeDxe.msa79
-rw-r--r--MdeModulePkg/Universal/VariablePei/Ipf/VariableWorker.c57
-rw-r--r--MdeModulePkg/Universal/VariablePei/Variable.c522
-rw-r--r--MdeModulePkg/Universal/VariablePei/Variable.dxs32
-rw-r--r--MdeModulePkg/Universal/VariablePei/Variable.h193
-rw-r--r--MdeModulePkg/Universal/VariablePei/Variable.msa76
-rw-r--r--MdeModulePkg/Universal/VariablePei/VariablePei.inf69
-rw-r--r--MdeModulePkg/Universal/VariablePei/VariableWorker.c63
-rw-r--r--MdeModulePkg/Universal/VariableRuntimeDxe/InitVariable.c229
-rw-r--r--MdeModulePkg/Universal/VariableRuntimeDxe/Variable.c1477
-rw-r--r--MdeModulePkg/Universal/VariableRuntimeDxe/Variable.h175
-rw-r--r--MdeModulePkg/Universal/VariableRuntimeDxe/Variable.msa108
-rw-r--r--MdeModulePkg/Universal/VariableRuntimeDxe/VariableRuntimeDxe.inf74
-rw-r--r--MdeModulePkg/Universal/VariableRuntimeDxe/reclaim.c242
23 files changed, 0 insertions, 6674 deletions
diff --git a/MdeModulePkg/Universal/EmuVariableRuntimeDxe/EmuVariable.c b/MdeModulePkg/Universal/EmuVariableRuntimeDxe/EmuVariable.c
deleted file mode 100644
index f56cf04215..0000000000
--- a/MdeModulePkg/Universal/EmuVariableRuntimeDxe/EmuVariable.c
+++ /dev/null
@@ -1,849 +0,0 @@
-/*++
-
-Copyright (c) 2006 - 2007, Intel Corporation
-All rights reserved. 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
-http://opensource.org/licenses/bsd-license.php
-
-THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-
-Module Name:
-
- EmuVariable.c
-
-Abstract:
-
-Revision History
-
---*/
-
-#include "Variable.h"
-
-//
-// Don't use module globals after the SetVirtualAddress map is signaled
-//
-ESAL_VARIABLE_GLOBAL *mVariableModuleGlobal;
-
-//
-// This is a temperary function which will be removed
-// when EfiAcquireLock in UefiLib can handle the
-// the call in UEFI Runtimer driver in RT phase.
-//
-STATIC
-VOID
-AcquireLockOnlyAtBootTime (
- IN EFI_LOCK *Lock
- )
-{
- if (!EfiAtRuntime ()) {
- EfiAcquireLock (Lock);
- }
-}
-
-//
-// This is a temperary function which will be removed
-// when EfiAcquireLock in UefiLib can handle the
-// the call in UEFI Runtimer driver in RT phase.
-//
-STATIC
-VOID
-ReleaseLockOnlyAtBootTime (
- IN EFI_LOCK *Lock
- )
-{
- if (!EfiAtRuntime ()) {
- EfiReleaseLock (Lock);
- }
-}
-
-STATIC
-UINT8 *
-EFIAPI
-GetVariableDataPtr (
- IN VARIABLE_HEADER *Variable
- )
-/*++
-
-Routine Description:
-
- This code gets the pointer to the variable data.
-
-Arguments:
-
- Variable Pointer to the Variable Header.
-
-Returns:
-
- UINT8* Pointer to Variable Data
-
---*/
-{
- if (Variable->StartId != VARIABLE_DATA) {
- return NULL;
- }
- //
- // Be careful about pad size for alignment
- //
- return (UINT8 *) ((UINTN) GET_VARIABLE_NAME_PTR (Variable) + Variable->NameSize + GET_PAD_SIZE (Variable->NameSize));
-}
-
-STATIC
-VARIABLE_HEADER *
-EFIAPI
-GetNextVariablePtr (
- IN VARIABLE_HEADER *Variable
- )
-/*++
-
-Routine Description:
-
- This code gets the pointer to the next variable header.
-
-Arguments:
-
- Variable Pointer to the Variable Header.
-
-Returns:
-
- VARIABLE_HEADER* Pointer to next variable header.
-
---*/
-{
- VARIABLE_HEADER *VarHeader;
-
- if (Variable->StartId != VARIABLE_DATA) {
- return NULL;
- }
- //
- // Be careful about pad size for alignment
- //
- VarHeader = (VARIABLE_HEADER *) (GetVariableDataPtr (Variable) + Variable->DataSize + GET_PAD_SIZE (Variable->DataSize));
-
- if (VarHeader->StartId != VARIABLE_DATA ||
- (sizeof (VARIABLE_HEADER) + VarHeader->DataSize + VarHeader->NameSize) > MAX_VARIABLE_SIZE
- ) {
- return NULL;
- }
-
- return VarHeader;
-}
-
-STATIC
-VARIABLE_HEADER *
-EFIAPI
-GetEndPointer (
- IN VARIABLE_STORE_HEADER *VolHeader
- )
-/*++
-
-Routine Description:
-
- This code gets the pointer to the last variable memory pointer byte
-
-Arguments:
-
- Variable Pointer to the Variable Header.
-
-Returns:
-
- VARIABLE_HEADER* Pointer to last unavailable Variable Header
-
---*/
-{
- //
- // The end of variable store
- //
- return (VARIABLE_HEADER *) ((UINTN) VolHeader + VolHeader->Size);
-}
-
-STATIC
-EFI_STATUS
-EFIAPI
-FindVariable (
- IN CHAR16 *VariableName,
- IN EFI_GUID *VendorGuid,
- OUT VARIABLE_POINTER_TRACK *PtrTrack,
- IN VARIABLE_GLOBAL *Global
- )
-/*++
-
-Routine Description:
-
- This code finds variable in storage blocks (Volatile or Non-Volatile)
-
-Arguments:
-
- VariableName Name of the variable to be found
- VendorGuid Vendor GUID to be found.
- PtrTrack Variable Track Pointer structure that contains
- Variable Information.
- Contains the pointer of Variable header.
- Global VARIABLE_GLOBAL pointer
-
-Returns:
-
- EFI STATUS
-
---*/
-{
- VARIABLE_HEADER *Variable[2];
- VARIABLE_STORE_HEADER *VariableStoreHeader[2];
- UINTN Index;
-
- //
- // We aquire the lock at the entry of FindVariable as GetVariable, GetNextVariableName
- // SetVariable all call FindVariable at entry point. Please move "Aquire Lock" to
- // the correct places if this assumption does not hold TRUE anymore.
- //
- AcquireLockOnlyAtBootTime(&Global->VariableServicesLock);
-
- //
- // 0: Non-Volatile, 1: Volatile
- //
- VariableStoreHeader[0] = (VARIABLE_STORE_HEADER *) ((UINTN) Global->NonVolatileVariableBase);
- VariableStoreHeader[1] = (VARIABLE_STORE_HEADER *) ((UINTN) Global->VolatileVariableBase);
-
- //
- // Start Pointers for the variable.
- // Actual Data Pointer where data can be written.
- //
- Variable[0] = (VARIABLE_HEADER *) (VariableStoreHeader[0] + 1);
- Variable[1] = (VARIABLE_HEADER *) (VariableStoreHeader[1] + 1);
-
- if (VariableName[0] != 0 && VendorGuid == NULL) {
- return EFI_INVALID_PARAMETER;
- }
- //
- // Find the variable by walk through non-volatile and volatile variable store
- //
- for (Index = 0; Index < 2; Index++) {
- PtrTrack->StartPtr = (VARIABLE_HEADER *) (VariableStoreHeader[Index] + 1);
- PtrTrack->EndPtr = GetEndPointer (VariableStoreHeader[Index]);
-
- while ((Variable[Index] != NULL) && (Variable[Index] <= GetEndPointer (VariableStoreHeader[Index]))) {
- if (Variable[Index]->StartId == VARIABLE_DATA && Variable[Index]->State == VAR_ADDED) {
- if (!(EfiAtRuntime () && !(Variable[Index]->Attributes & EFI_VARIABLE_RUNTIME_ACCESS))) {
- if (VariableName[0] == 0) {
- PtrTrack->CurrPtr = Variable[Index];
- PtrTrack->Volatile = (BOOLEAN) Index;
- return EFI_SUCCESS;
- } else {
- if (CompareGuid (VendorGuid, &Variable[Index]->VendorGuid)) {
- if (!CompareMem (VariableName, GET_VARIABLE_NAME_PTR (Variable[Index]), Variable[Index]->NameSize)) {
- PtrTrack->CurrPtr = Variable[Index];
- PtrTrack->Volatile = (BOOLEAN) Index;
- return EFI_SUCCESS;
- }
- }
- }
- }
- }
-
- Variable[Index] = GetNextVariablePtr (Variable[Index]);
- }
- }
- PtrTrack->CurrPtr = NULL;
- return EFI_NOT_FOUND;
-}
-
-EFI_STATUS
-EFIAPI
-GetVariable (
- IN CHAR16 *VariableName,
- IN EFI_GUID * VendorGuid,
- OUT UINT32 *Attributes OPTIONAL,
- IN OUT UINTN *DataSize,
- OUT VOID *Data,
- IN VARIABLE_GLOBAL * Global,
- IN UINT32 Instance
- )
-/*++
-
-Routine Description:
-
- This code finds variable in storage blocks (Volatile or Non-Volatile)
-
-Arguments:
-
- VariableName Name of Variable to be found
- VendorGuid Variable vendor GUID
- Attributes OPTIONAL Attribute value of the variable found
- DataSize Size of Data found. If size is less than the
- data, this value contains the required size.
- Data Data pointer
- Global Pointer to VARIABLE_GLOBAL structure
- Instance Instance of the Firmware Volume.
-
-Returns:
-
- EFI STATUS
-
---*/
-{
- VARIABLE_POINTER_TRACK Variable;
- UINTN VarDataSize;
- EFI_STATUS Status;
-
- if (VariableName == NULL || VendorGuid == NULL || DataSize == NULL) {
- return EFI_INVALID_PARAMETER;
- }
- //
- // Find existing variable
- //
- Status = FindVariable (VariableName, VendorGuid, &Variable, Global);
-
- if (Variable.CurrPtr == NULL || EFI_ERROR (Status)) {
- goto Done;
- }
- //
- // Get data size
- //
- VarDataSize = Variable.CurrPtr->DataSize;
- if (*DataSize >= VarDataSize) {
- if (Data == NULL) {
- Status = EFI_INVALID_PARAMETER;
- goto Done;
- }
-
- CopyMem (Data, GetVariableDataPtr (Variable.CurrPtr), VarDataSize);
- if (Attributes != NULL) {
- *Attributes = Variable.CurrPtr->Attributes;
- }
-
- *DataSize = VarDataSize;
- Status = EFI_SUCCESS;
- goto Done;
- } else {
- *DataSize = VarDataSize;
- Status = EFI_BUFFER_TOO_SMALL;
- goto Done;
- }
-
-Done:
- ReleaseLockOnlyAtBootTime (&Global->VariableServicesLock);
- return Status;
-}
-
-EFI_STATUS
-EFIAPI
-GetNextVariableName (
- IN OUT UINTN *VariableNameSize,
- IN OUT CHAR16 *VariableName,
- IN OUT EFI_GUID *VendorGuid,
- IN VARIABLE_GLOBAL *Global,
- IN UINT32 Instance
- )
-/*++
-
-Routine Description:
-
- This code Finds the Next available variable
-
-Arguments:
-
- VariableNameSize Size of the variable
- VariableName Pointer to variable name
- VendorGuid Variable Vendor Guid
- Global VARIABLE_GLOBAL structure pointer.
- Instance FV instance
-
-Returns:
-
- EFI STATUS
-
---*/
-{
- VARIABLE_POINTER_TRACK Variable;
- UINTN VarNameSize;
- EFI_STATUS Status;
-
- if (VariableNameSize == NULL || VariableName == NULL || VendorGuid == NULL) {
- return EFI_INVALID_PARAMETER;
- }
-
- Status = FindVariable (VariableName, VendorGuid, &Variable, Global);
-
- if (Variable.CurrPtr == NULL || EFI_ERROR (Status)) {
- goto Done;
- }
-
- while (TRUE) {
- if (VariableName[0] != 0) {
- //
- // If variable name is not NULL, get next variable
- //
- Variable.CurrPtr = GetNextVariablePtr (Variable.CurrPtr);
- }
- //
- // If both volatile and non-volatile variable store are parsed,
- // return not found
- //
- if (Variable.CurrPtr >= Variable.EndPtr || Variable.CurrPtr == NULL) {
- Variable.Volatile = (BOOLEAN) (Variable.Volatile ^ ((BOOLEAN) 0x1));
- if (Variable.Volatile) {
- Variable.StartPtr = (VARIABLE_HEADER *) ((UINTN) (Global->VolatileVariableBase + sizeof (VARIABLE_STORE_HEADER)));
- Variable.EndPtr = (VARIABLE_HEADER *) GetEndPointer ((VARIABLE_STORE_HEADER *) ((UINTN) Global->VolatileVariableBase));
- } else {
- Status = EFI_NOT_FOUND;
- goto Done;
- }
-
- Variable.CurrPtr = Variable.StartPtr;
- if (Variable.CurrPtr->StartId != VARIABLE_DATA) {
- continue;
- }
- }
- //
- // Variable is found
- //
- if (Variable.CurrPtr->StartId == VARIABLE_DATA && Variable.CurrPtr->State == VAR_ADDED) {
- if (!(EfiAtRuntime () && !(Variable.CurrPtr->Attributes & EFI_VARIABLE_RUNTIME_ACCESS))) {
- VarNameSize = Variable.CurrPtr->NameSize;
- if (VarNameSize <= *VariableNameSize) {
- CopyMem (
- VariableName,
- GET_VARIABLE_NAME_PTR (Variable.CurrPtr),
- VarNameSize
- );
- CopyMem (
- VendorGuid,
- &Variable.CurrPtr->VendorGuid,
- sizeof (EFI_GUID)
- );
- Status = EFI_SUCCESS;
- } else {
- Status = EFI_BUFFER_TOO_SMALL;
- }
-
- *VariableNameSize = VarNameSize;
- goto Done;
- }
- }
- }
-
-Done:
- ReleaseLockOnlyAtBootTime (&Global->VariableServicesLock);
- return Status;
-
-}
-
-EFI_STATUS
-EFIAPI
-SetVariable (
- IN CHAR16 *VariableName,
- IN EFI_GUID *VendorGuid,
- IN UINT32 Attributes,
- IN UINTN DataSize,
- IN VOID *Data,
- IN VARIABLE_GLOBAL *Global,
- IN UINTN *VolatileOffset,
- IN UINTN *NonVolatileOffset,
- IN UINT32 Instance
- )
-/*++
-
-Routine Description:
-
- This code sets variable in storage blocks (Volatile or Non-Volatile)
-
-Arguments:
-
- VariableName Name of Variable to be found
- VendorGuid Variable vendor GUID
- Attributes Attribute value of the variable found
- DataSize Size of Data found. If size is less than the
- data, this value contains the required size.
- Data Data pointer
- Global Pointer to VARIABLE_GLOBAL structure
- VolatileOffset The offset of last volatile variable
- NonVolatileOffset The offset of last non-volatile variable
- Instance Instance of the Firmware Volume.
-
-Returns:
-
- EFI STATUS
-
---*/
-{
- VARIABLE_POINTER_TRACK Variable;
- EFI_STATUS Status;
- VARIABLE_HEADER *NextVariable;
- UINTN VarNameSize;
- UINTN VarNameOffset;
- UINTN VarDataOffset;
- UINTN VarSize;
-
- if (VariableName == NULL || VariableName[0] == 0 || VendorGuid == NULL) {
- return EFI_INVALID_PARAMETER;
- }
-
- Status = FindVariable (VariableName, VendorGuid, &Variable, Global);
-
- if (Status == EFI_INVALID_PARAMETER) {
- goto Done;
- } else if (!EFI_ERROR (Status) && Variable.Volatile && EfiAtRuntime()) {
- //
- // If EfiAtRuntime and the variable is Volatile and Runtime Access,
- // the volatile is ReadOnly, and SetVariable should be aborted and
- // return EFI_WRITE_PROTECTED.
- //
- Status = EFI_WRITE_PROTECTED;
- goto Done;
- } else if (sizeof (VARIABLE_HEADER) + (StrSize (VariableName) + DataSize) > MAX_VARIABLE_SIZE) {
- //
- // The size of the VariableName, including the Unicode Null in bytes plus
- // the DataSize is limited to maximum size of MAX_VARIABLE_SIZE (1024) bytes.
- //
- Status = EFI_INVALID_PARAMETER;
- goto Done;
- } else if ((Attributes & (EFI_VARIABLE_RUNTIME_ACCESS | EFI_VARIABLE_BOOTSERVICE_ACCESS)) == EFI_VARIABLE_RUNTIME_ACCESS
- ) {
- //
- // Make sure if runtime bit is set, boot service bit is set also
- //
- Status = EFI_INVALID_PARAMETER;
- goto Done;
- } else if (EfiAtRuntime () && Attributes && !(Attributes & EFI_VARIABLE_RUNTIME_ACCESS)) {
- //
- // Runtime but Attribute is not Runtime
- //
- Status = EFI_INVALID_PARAMETER;
- goto Done;
- } else if (EfiAtRuntime () && Attributes && !(Attributes & EFI_VARIABLE_NON_VOLATILE)) {
- //
- // Cannot set volatile variable in Runtime
- //
- Status = EFI_INVALID_PARAMETER;
- goto Done;
- } else if (DataSize == 0 || (Attributes & (EFI_VARIABLE_RUNTIME_ACCESS | EFI_VARIABLE_BOOTSERVICE_ACCESS)) == 0) {
- //
- // Setting a data variable with no access, or zero DataSize attributes
- // specified causes it to be deleted.
- //
- if (!EFI_ERROR (Status)) {
- Variable.CurrPtr->State &= VAR_DELETED;
- Status = EFI_SUCCESS;
- goto Done;
- }
-
- Status = EFI_NOT_FOUND;
- goto Done;
- } else {
- if (!EFI_ERROR (Status)) {
- //
- // If the variable is marked valid and the same data has been passed in
- // then return to the caller immediately.
- //
- if (Variable.CurrPtr->DataSize == DataSize &&
- !CompareMem (Data, GetVariableDataPtr (Variable.CurrPtr), DataSize)
- ) {
- Status = EFI_SUCCESS;
- goto Done;
- } else if (Variable.CurrPtr->State == VAR_ADDED) {
- //
- // Mark the old variable as in delete transition
- //
- Variable.CurrPtr->State &= VAR_IN_DELETED_TRANSITION;
- }
- }
- //
- // Create a new variable and copy the data.
- //
- VarNameOffset = sizeof (VARIABLE_HEADER);
- VarNameSize = StrSize (VariableName);
- VarDataOffset = VarNameOffset + VarNameSize + GET_PAD_SIZE (VarNameSize);
- VarSize = VarDataOffset + DataSize + GET_PAD_SIZE (DataSize);
-
- if (Attributes & EFI_VARIABLE_NON_VOLATILE) {
- if ((UINT32) (VarSize +*NonVolatileOffset) >
- ((VARIABLE_STORE_HEADER *) ((UINTN) (Global->NonVolatileVariableBase)))->Size
- ) {
- Status = EFI_OUT_OF_RESOURCES;
- goto Done;
- }
-
- NextVariable = (VARIABLE_HEADER *) (UINT8 *) (*NonVolatileOffset + (UINTN) Global->NonVolatileVariableBase);
- *NonVolatileOffset = *NonVolatileOffset + VarSize;
- } else {
- if (EfiAtRuntime ()) {
- Status = EFI_INVALID_PARAMETER;
- goto Done;
- }
-
- if ((UINT32) (VarSize +*VolatileOffset) >
- ((VARIABLE_STORE_HEADER *) ((UINTN) (Global->VolatileVariableBase)))->Size
- ) {
- Status = EFI_OUT_OF_RESOURCES;
- goto Done;
- }
-
- NextVariable = (VARIABLE_HEADER *) (UINT8 *) (*VolatileOffset + (UINTN) Global->VolatileVariableBase);
- *VolatileOffset = *VolatileOffset + VarSize;
- }
-
- NextVariable->StartId = VARIABLE_DATA;
- NextVariable->Attributes = Attributes;
- NextVariable->State = VAR_ADDED;
- NextVariable->Reserved = 0;
-
- //
- // There will be pad bytes after Data, the NextVariable->NameSize and
- // NextVariable->NameSize should not include pad size so that variable
- // service can get actual size in GetVariable
- //
- NextVariable->NameSize = (UINT32)VarNameSize;
- NextVariable->DataSize = (UINT32)DataSize;
-
- CopyMem (&NextVariable->VendorGuid, VendorGuid, sizeof (EFI_GUID));
- CopyMem (
- (UINT8 *) ((UINTN) NextVariable + VarNameOffset),
- VariableName,
- VarNameSize
- );
- CopyMem (
- (UINT8 *) ((UINTN) NextVariable + VarDataOffset),
- Data,
- DataSize
- );
-
- //
- // Mark the old variable as deleted
- //
- if (!EFI_ERROR (Status)) {
- Variable.CurrPtr->State &= VAR_DELETED;
- }
- }
-
- Status = EFI_SUCCESS;
-Done:
- ReleaseLockOnlyAtBootTime (&Global->VariableServicesLock);
- return Status;
-}
-
-EFI_STATUS
-EFIAPI
-QueryVariableInfo (
- IN UINT32 Attributes,
- OUT UINT64 *MaximumVariableStorageSize,
- OUT UINT64 *RemainingVariableStorageSize,
- OUT UINT64 *MaximumVariableSize,
- IN VARIABLE_GLOBAL *Global,
- IN UINT32 Instance
- )
-/*++
-
-Routine Description:
-
- This code returns information about the EFI variables.
-
-Arguments:
-
- Attributes Attributes bitmask to specify the type of variables
- on which to return information.
- MaximumVariableStorageSize Pointer to the maximum size of the storage space available
- for the EFI variables associated with the attributes specified.
- RemainingVariableStorageSize Pointer to the remaining size of the storage space available
- for the EFI variables associated with the attributes specified.
- MaximumVariableSize Pointer to the maximum size of the individual EFI variables
- associated with the attributes specified.
- Global Pointer to VARIABLE_GLOBAL structure.
- Instance Instance of the Firmware Volume.
-
-Returns:
-
- EFI STATUS
- EFI_INVALID_PARAMETER - An invalid combination of attribute bits was supplied.
- EFI_SUCCESS - Query successfully.
- EFI_UNSUPPORTED - The attribute is not supported on this platform.
-
---*/
-{
- VARIABLE_HEADER *Variable;
- VARIABLE_HEADER *NextVariable;
- UINT64 VariableSize;
- VARIABLE_STORE_HEADER *VariableStoreHeader;
-
- if(MaximumVariableStorageSize == NULL || RemainingVariableStorageSize == NULL || MaximumVariableSize == NULL) {
- return EFI_INVALID_PARAMETER;
- }
-
- if((Attributes & (EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS)) == 0) {
- //
- // Make sure the Attributes combination is supported by the platform.
- //
- return EFI_UNSUPPORTED;
- } else if ((Attributes & (EFI_VARIABLE_RUNTIME_ACCESS | EFI_VARIABLE_BOOTSERVICE_ACCESS)) == EFI_VARIABLE_RUNTIME_ACCESS) {
- //
- // Make sure if runtime bit is set, boot service bit is set also.
- //
- return EFI_INVALID_PARAMETER;
- } else if (EfiAtRuntime () && !(Attributes & EFI_VARIABLE_RUNTIME_ACCESS)) {
- //
- // Make sure RT Attribute is set if we are in Runtime phase.
- //
- return EFI_INVALID_PARAMETER;
- } else if (EfiAtRuntime () && Attributes && !(Attributes & EFI_VARIABLE_NON_VOLATILE)) {
- //
- // Cannot Query volatile variable in Runtime
- //
- return EFI_INVALID_PARAMETER;
- }
-
- AcquireLockOnlyAtBootTime(&Global->VariableServicesLock);
-
- if((Attributes & EFI_VARIABLE_NON_VOLATILE) == 0) {
- //
- // Query is Volatile related.
- //
- VariableStoreHeader = (VARIABLE_STORE_HEADER *) ((UINTN) Global->VolatileVariableBase);
- } else {
- //
- // Query is Non-Volatile related.
- //
- VariableStoreHeader = (VARIABLE_STORE_HEADER *) ((UINTN) Global->NonVolatileVariableBase);
- }
-
- //
- // Now let's fill *MaximumVariableStorageSize *RemainingVariableStorageSize
- // with the storage size (excluding the storage header size)
- //
- *MaximumVariableStorageSize = VariableStoreHeader->Size - sizeof (VARIABLE_STORE_HEADER);
- *RemainingVariableStorageSize = VariableStoreHeader->Size - sizeof (VARIABLE_STORE_HEADER);
-
- //
- // Let *MaximumVariableSize be MAX_VARIABLE_SIZE
- //
- *MaximumVariableSize = MAX_VARIABLE_SIZE;
-
- //
- // Point to the starting address of the variables.
- //
- Variable = (VARIABLE_HEADER *) (VariableStoreHeader + 1);
-
- //
- // Now walk through the related variable store.
- //
- while (Variable < GetEndPointer (VariableStoreHeader)) {
- if (Variable->StartId != VARIABLE_DATA) {
- break;
- }
-
- NextVariable = (VARIABLE_HEADER *) (GetVariableDataPtr (Variable) + Variable->DataSize + GET_PAD_SIZE (Variable->DataSize));
- VariableSize = (UINT64) (UINTN) NextVariable - (UINT64) (UINTN) Variable;
-
- if (Variable->State == VAR_ADDED) {
- *RemainingVariableStorageSize -= VariableSize;
- }
-
- //
- // Go to the next one.
- //
- Variable = NextVariable;
- }
-
- ReleaseLockOnlyAtBootTime (&Global->VariableServicesLock);
- return EFI_SUCCESS;
-}
-
-STATIC
-EFI_STATUS
-EFIAPI
-InitializeVariableStore (
- OUT EFI_PHYSICAL_ADDRESS *VariableBase,
- OUT UINTN *LastVariableOffset
- )
-/*++
-
-Routine Description:
- This function initializes variable store
-
-Arguments:
-
-Returns:
-
---*/
-{
- VARIABLE_STORE_HEADER *VariableStore;
-
- //
- // Allocate memory for volatile variable store
- //
- VariableStore = (VARIABLE_STORE_HEADER *) AllocateRuntimePool (
- VARIABLE_STORE_SIZE
- );
- if (NULL == VariableStore) {
- return EFI_OUT_OF_RESOURCES;
- }
-
- SetMem (VariableStore, VARIABLE_STORE_SIZE, 0xff);
-
- //
- // Variable Specific Data
- //
- *VariableBase = (EFI_PHYSICAL_ADDRESS) (UINTN) VariableStore;
- *LastVariableOffset = sizeof (VARIABLE_STORE_HEADER);
-
- VariableStore->Signature = VARIABLE_STORE_SIGNATURE;
- VariableStore->Size = VARIABLE_STORE_SIZE;
- VariableStore->Format = VARIABLE_STORE_FORMATTED;
- VariableStore->State = VARIABLE_STORE_HEALTHY;
- VariableStore->Reserved = 0;
- VariableStore->Reserved1 = 0;
-
- return EFI_SUCCESS;
-}
-
-EFI_STATUS
-EFIAPI
-VariableCommonInitialize (
- IN EFI_HANDLE ImageHandle,
- IN EFI_SYSTEM_TABLE *SystemTable
- )
-/*++
-
-Routine Description:
- This function does common initialization for variable services
-
-Arguments:
-
-Returns:
-
---*/
-{
- EFI_STATUS Status;
-
- //
- // Allocate memory for mVariableModuleGlobal
- //
- mVariableModuleGlobal = (ESAL_VARIABLE_GLOBAL *) AllocateRuntimePool (
- sizeof (ESAL_VARIABLE_GLOBAL)
- );
- if (NULL == mVariableModuleGlobal) {
- return EFI_OUT_OF_RESOURCES;
- }
-
- EfiInitializeLock(&mVariableModuleGlobal->VariableGlobal[Physical].VariableServicesLock, TPL_NOTIFY);
-
- //
- // Intialize volatile variable store
- //
- Status = InitializeVariableStore (
- &mVariableModuleGlobal->VariableGlobal[Physical].VolatileVariableBase,
- &mVariableModuleGlobal->VolatileLastVariableOffset
- );
-
- if (EFI_ERROR (Status)) {
- return Status;
- }
- //
- // Intialize non volatile variable store
- //
- Status = InitializeVariableStore (
- &mVariableModuleGlobal->VariableGlobal[Physical].NonVolatileVariableBase,
- &mVariableModuleGlobal->NonVolatileLastVariableOffset
- );
-
- return Status;
-}
diff --git a/MdeModulePkg/Universal/EmuVariableRuntimeDxe/EmuVariable.msa b/MdeModulePkg/Universal/EmuVariableRuntimeDxe/EmuVariable.msa
deleted file mode 100644
index 6e769aa280..0000000000
--- a/MdeModulePkg/Universal/EmuVariableRuntimeDxe/EmuVariable.msa
+++ /dev/null
@@ -1,75 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<ModuleSurfaceArea xmlns="http://www.TianoCore.org/2006/Edk2.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
- <MsaHeader>
- <ModuleName>EmuVariable</ModuleName>
- <ModuleType>DXE_RUNTIME_DRIVER</ModuleType>
- <GuidValue>CBD2E4D5-7068-4FF5-B866-9822B4AD8D61</GuidValue>
- <Version>1.0</Version>
- <Abstract>Emulation Variable for EFI_RUNTIME_SERVICES.</Abstract>
- <Description>This module provides three EFI_RUNTIME_SERVICES: SetVariable, GetVariable, GetNextVariableName</Description>
- <Copyright>Copyright (c) 2006 - 2007, Intel Corporation</Copyright>
- <License>All rights reserved. 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
- http://opensource.org/licenses/bsd-license.php
- THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
- WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.</License>
- <Specification>FRAMEWORK_BUILD_PACKAGING_SPECIFICATION 0x00000052</Specification>
- </MsaHeader>
- <ModuleDefinitions>
- <SupportedArchitectures>IA32 X64 EBC</SupportedArchitectures>
- <BinaryModule>false</BinaryModule>
- <OutputFileBasename>EmuVariable</OutputFileBasename>
- </ModuleDefinitions>
- <LibraryClassDefinitions>
- <LibraryClass Usage="ALWAYS_CONSUMED">
- <Keyword>BaseMemoryLib</Keyword>
- </LibraryClass>
- <LibraryClass Usage="ALWAYS_CONSUMED">
- <Keyword>MemoryAllocationLib</Keyword>
- </LibraryClass>
- <LibraryClass Usage="ALWAYS_CONSUMED">
- <Keyword>DebugLib</Keyword>
- </LibraryClass>
- <LibraryClass Usage="ALWAYS_CONSUMED">
- <Keyword>UefiRuntimeLib</Keyword>
- </LibraryClass>
- <LibraryClass Usage="ALWAYS_CONSUMED">
- <Keyword>UefiDriverEntryPoint</Keyword>
- </LibraryClass>
- <LibraryClass Usage="ALWAYS_CONSUMED">
- <Keyword>UefiBootServicesTableLib</Keyword>
- </LibraryClass>
- <LibraryClass Usage="ALWAYS_CONSUMED">
- <Keyword>UefiLib</Keyword>
- </LibraryClass>
- <LibraryClass Usage="ALWAYS_CONSUMED">
- <Keyword>BaseLib</Keyword>
- </LibraryClass>
- </LibraryClassDefinitions>
- <SourceFiles>
- <Filename>Variable.h</Filename>
- <Filename>EmuVariable.c</Filename>
- <Filename>EmuVariable.dxs</Filename>
- <Filename>InitVariable.c</Filename>
- </SourceFiles>
- <PackageDependencies>
- <Package PackageGuid="5e0e9358-46b6-4ae2-8218-4ab8b9bbdcec"/>
- <Package PackageGuid="68169ab0-d41b-4009-9060-292c253ac43d"/>
- </PackageDependencies>
- <Protocols>
- <Protocol Usage="ALWAYS_PRODUCED" SupArchList="IA32 X64">
- <ProtocolCName>gEfiVariableWriteArchProtocolGuid</ProtocolCName>
- </Protocol>
- <Protocol Usage="ALWAYS_PRODUCED" SupArchList="IA32 X64">
- <ProtocolCName>gEfiVariableArchProtocolGuid</ProtocolCName>
- </Protocol>
- </Protocols>
- <Externs>
- <Specification>EFI_SPECIFICATION_VERSION 0x00020000</Specification>
- <Specification>EDK_RELEASE_VERSION 0x00020000</Specification>
- <Extern>
- <ModuleEntryPoint>VariableServiceInitialize</ModuleEntryPoint>
- </Extern>
- </Externs>
-</ModuleSurfaceArea> \ No newline at end of file
diff --git a/MdeModulePkg/Universal/EmuVariableRuntimeDxe/EmuVariableRuntimeDxe.inf b/MdeModulePkg/Universal/EmuVariableRuntimeDxe/EmuVariableRuntimeDxe.inf
deleted file mode 100644
index acd3b15b9e..0000000000
--- a/MdeModulePkg/Universal/EmuVariableRuntimeDxe/EmuVariableRuntimeDxe.inf
+++ /dev/null
@@ -1,106 +0,0 @@
-#/** @file
-# Emulation Variable for EFI_RUNTIME_SERVICES.
-#
-# This module provides three EFI_RUNTIME_SERVICES: SetVariable, GetVariable, GetNextVariableName
-# Copyright (c) 2006 - 2007, Intel Corporation
-#
-# All rights reserved. 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
-# http://opensource.org/licenses/bsd-license.php
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-#
-#**/
-
-################################################################################
-#
-# Defines Section - statements that will be processed to create a Makefile.
-#
-################################################################################
-[Defines]
- INF_VERSION = 0x00010005
- BASE_NAME = EmuVariableRuntimeDxe
- FILE_GUID = CBD2E4D5-7068-4FF5-B866-9822B4AD8D61
- MODULE_TYPE = DXE_RUNTIME_DRIVER
- VERSION_STRING = 1.0
- EDK_RELEASE_VERSION = 0x00020000
- EFI_SPECIFICATION_VERSION = 0x00020000
-
- ENTRY_POINT = VariableServiceInitialize
-
-#
-# The following information is for reference only and not required by the build tools.
-#
-# VALID_ARCHITECTURES = IA32 X64 EBC
-#
-
-################################################################################
-#
-# Sources Section - list of files that are required for the build to succeed.
-#
-################################################################################
-
-[Sources.common]
- InitVariable.c
- EmuVariable.c
- Variable.h
-
-
-################################################################################
-#
-# Package Dependency Section - list of Package files that are required for
-# this module.
-#
-################################################################################
-
-[Packages]
- MdePkg/MdePkg.dec
- MdeModulePkg/MdeModulePkg.dec
-
-
-################################################################################
-#
-# Library Class Section - list of Library Classes that are required for
-# this module.
-#
-################################################################################
-
-[LibraryClasses]
- BaseLib
- UefiLib
- UefiBootServicesTableLib
- UefiDriverEntryPoint
- UefiRuntimeLib
- DebugLib
- MemoryAllocationLib
- BaseMemoryLib
-
-
-################################################################################
-#
-# Protocol C Name Section - list of Protocol and Protocol Notify C Names
-# that this module uses or produces.
-#
-################################################################################
-
-[Protocols.IA32]
- gEfiVariableArchProtocolGuid # PROTOCOL ALWAYS_PRODUCED
- gEfiVariableWriteArchProtocolGuid # PROTOCOL ALWAYS_PRODUCED
-
-[Protocols.X64]
- gEfiVariableArchProtocolGuid # PROTOCOL ALWAYS_PRODUCED
- gEfiVariableWriteArchProtocolGuid # PROTOCOL ALWAYS_PRODUCED
-
-
-################################################################################
-#
-# Dependency Expression Section - list of Dependency expressions that are required for
-# this module.
-#
-################################################################################
-
-[Depex]
- TRUE
-
diff --git a/MdeModulePkg/Universal/EmuVariableRuntimeDxe/InitVariable.c b/MdeModulePkg/Universal/EmuVariableRuntimeDxe/InitVariable.c
deleted file mode 100644
index efff41c253..0000000000
--- a/MdeModulePkg/Universal/EmuVariableRuntimeDxe/InitVariable.c
+++ /dev/null
@@ -1,214 +0,0 @@
-/*++
-
-Copyright (c) 2006 - 2007, Intel Corporation
-All rights reserved. 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
-http://opensource.org/licenses/bsd-license.php
-
-THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-
-Module Name:
-
- InitVariable.c
-
-Abstract:
-
-Revision History
-
---*/
-
-#include "Variable.h"
-
-//
-// Don't use module globals after the SetVirtualAddress map is signaled
-//
-extern ESAL_VARIABLE_GLOBAL *mVariableModuleGlobal;
-
-EFI_STATUS
-EFIAPI
-RuntimeServiceGetVariable (
- IN CHAR16 *VariableName,
- IN EFI_GUID * VendorGuid,
- OUT UINT32 *Attributes OPTIONAL,
- IN OUT UINTN *DataSize,
- OUT VOID *Data
- )
-/*++
-
-Routine Description:
-
-Arguments:
-
-Returns:
-
---*/
-{
- return GetVariable (
- VariableName,
- VendorGuid,
- Attributes OPTIONAL,
- DataSize,
- Data,
- &mVariableModuleGlobal->VariableGlobal[Physical],
- mVariableModuleGlobal->FvbInstance
- );
-}
-
-EFI_STATUS
-EFIAPI
-RuntimeServiceGetNextVariableName (
- IN OUT UINTN *VariableNameSize,
- IN OUT CHAR16 *VariableName,
- IN OUT EFI_GUID *VendorGuid
- )
-/*++
-
-Routine Description:
-
-Arguments:
-
-Returns:
-
---*/
-{
- return GetNextVariableName (
- VariableNameSize,
- VariableName,
- VendorGuid,
- &mVariableModuleGlobal->VariableGlobal[Physical],
- mVariableModuleGlobal->FvbInstance
- );
-}
-
-EFI_STATUS
-EFIAPI
-RuntimeServiceSetVariable (
- IN CHAR16 *VariableName,
- IN EFI_GUID *VendorGuid,
- IN UINT32 Attributes,
- IN UINTN DataSize,
- IN VOID *Data
- )
-/*++
-
-Routine Description:
-
-Arguments:
-
-Returns:
-
---*/
-{
- return SetVariable (
- VariableName,
- VendorGuid,
- Attributes,
- DataSize,
- Data,
- &mVariableModuleGlobal->VariableGlobal[Physical],
- &mVariableModuleGlobal->VolatileLastVariableOffset,
- &mVariableModuleGlobal->NonVolatileLastVariableOffset,
- mVariableModuleGlobal->FvbInstance
- );
-}
-
-EFI_STATUS
-EFIAPI
-RuntimeServiceQueryVariableInfo (
- IN UINT32 Attributes,
- OUT UINT64 *MaximumVariableStorageSize,
- OUT UINT64 *RemainingVariableStorageSize,
- OUT UINT64 *MaximumVariableSize
- )
-/*++
-
-Routine Description:
-
-Arguments:
-
-Returns:
-
---*/
-{
- return QueryVariableInfo (
- Attributes,
- MaximumVariableStorageSize,
- RemainingVariableStorageSize,
- MaximumVariableSize,
- &mVariableModuleGlobal->VariableGlobal[Physical],
- mVariableModuleGlobal->FvbInstance
- );
-}
-
-VOID
-EFIAPI
-VariableClassAddressChangeEvent (
- IN EFI_EVENT Event,
- IN VOID *Context
- )
-/*++
-
-Routine Description:
-
-Arguments:
-
-Returns:
-
---*/
-{
- EfiConvertPointer (
- 0x0,
- (VOID **) &mVariableModuleGlobal->VariableGlobal[Physical].NonVolatileVariableBase
- );
- EfiConvertPointer (
- 0x0,
- (VOID **) &mVariableModuleGlobal->VariableGlobal[Physical].VolatileVariableBase
- );
- EfiConvertPointer (0x0, (VOID **) &mVariableModuleGlobal);
-}
-
-EFI_STATUS
-EFIAPI
-VariableServiceInitialize (
- IN EFI_HANDLE ImageHandle,
- IN EFI_SYSTEM_TABLE *SystemTable
- )
-/*++
-
-Routine Description:
-
-Arguments:
-
-Returns:
-
---*/
-{
- EFI_HANDLE NewHandle;
- EFI_STATUS Status;
-
- Status = VariableCommonInitialize (ImageHandle, SystemTable);
- ASSERT_EFI_ERROR (Status);
-
- SystemTable->RuntimeServices->GetVariable = RuntimeServiceGetVariable;
- SystemTable->RuntimeServices->GetNextVariableName = RuntimeServiceGetNextVariableName;
- SystemTable->RuntimeServices->SetVariable = RuntimeServiceSetVariable;
- SystemTable->RuntimeServices->QueryVariableInfo = RuntimeServiceQueryVariableInfo;
-
- //
- // Now install the Variable Runtime Architectural Protocol on a new handle
- //
- NewHandle = NULL;
- Status = gBS->InstallMultipleProtocolInterfaces (
- &NewHandle,
- &gEfiVariableArchProtocolGuid,
- NULL,
- &gEfiVariableWriteArchProtocolGuid,
- NULL,
- NULL
- );
- ASSERT_EFI_ERROR (Status);
-
- return EFI_SUCCESS;
-}
diff --git a/MdeModulePkg/Universal/EmuVariableRuntimeDxe/Variable.h b/MdeModulePkg/Universal/EmuVariableRuntimeDxe/Variable.h
deleted file mode 100644
index 1e445c564b..0000000000
--- a/MdeModulePkg/Universal/EmuVariableRuntimeDxe/Variable.h
+++ /dev/null
@@ -1,171 +0,0 @@
-/*++
-
-Copyright (c) 2006 - 2007, Intel Corporation
-All rights reserved. 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
-http://opensource.org/licenses/bsd-license.php
-
-THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-
-Module Name:
-
- Variable.h
-
-Abstract:
-
---*/
-
-#ifndef _VARIABLE_H
-#define _VARIABLE_H
-
-//
-// Statements that include other header files
-//
-//
-// The package level header files this module uses
-//
-#include <PiDxe.h>
-//
-// The protocols, PPI and GUID defintions for this module
-//
-#include <Protocol/VariableWrite.h>
-#include <Protocol/Variable.h>
-//
-// The Library classes this module consumes
-//
-#include <Library/BaseMemoryLib.h>
-#include <Library/MemoryAllocationLib.h>
-#include <Library/DebugLib.h>
-#include <Library/UefiRuntimeLib.h>
-#include <Library/UefiDriverEntryPoint.h>
-#include <Library/UefiBootServicesTableLib.h>
-#include <Library/UefiLib.h>
-#include <Library/BaseLib.h>
-
-//
-// BugBug: We need relcate the head file.
-//
-#include <Common/Variable.h>
-
-#define VARIABLE_STORE_SIZE (64 * 1024)
-#define SCRATCH_SIZE (4 * 1024)
-
-//
-// Define GET_PAD_SIZE to optimize compiler
-//
-#if ((ALIGNMENT == 0) || (ALIGNMENT == 1))
-#define GET_PAD_SIZE(a) (0)
-#else
-#define GET_PAD_SIZE(a) (((~a) + 1) & (ALIGNMENT - 1))
-#endif
-
-#define GET_VARIABLE_NAME_PTR(a) (CHAR16 *) ((UINTN) (a) + sizeof (VARIABLE_HEADER))
-
-typedef enum {
- Physical,
- Virtual
-} VARIABLE_POINTER_TYPE;
-
-typedef struct {
- VARIABLE_HEADER *CurrPtr;
- VARIABLE_HEADER *EndPtr;
- VARIABLE_HEADER *StartPtr;
- BOOLEAN Volatile;
-} VARIABLE_POINTER_TRACK;
-
-typedef struct {
- EFI_PHYSICAL_ADDRESS VolatileVariableBase;
- EFI_PHYSICAL_ADDRESS NonVolatileVariableBase;
- EFI_LOCK VariableServicesLock;
-} VARIABLE_GLOBAL;
-
-typedef struct {
- VARIABLE_GLOBAL VariableGlobal[2];
- UINTN VolatileLastVariableOffset;
- UINTN NonVolatileLastVariableOffset;
- UINT32 FvbInstance;
-} ESAL_VARIABLE_GLOBAL;
-
-extern ESAL_VARIABLE_GLOBAL *mVariableModuleGlobal;
-
-//
-// Functions
-//
-EFI_STATUS
-EFIAPI
-VariableCommonInitialize (
- IN EFI_HANDLE ImageHandle,
- IN EFI_SYSTEM_TABLE *SystemTable
- )
-;
-
-EFI_STATUS
-EFIAPI
-VariableServiceInitialize (
- IN EFI_HANDLE ImageHandle,
- IN EFI_SYSTEM_TABLE *SystemTable
- )
-;
-
-VOID
-EFIAPI
-VariableClassAddressChangeEvent (
- IN EFI_EVENT Event,
- IN VOID *Context
- )
-;
-
-EFI_STATUS
-EFIAPI
-GetVariable (
- IN CHAR16 *VariableName,
- IN EFI_GUID * VendorGuid,
- OUT UINT32 *Attributes OPTIONAL,
- IN OUT UINTN *DataSize,
- OUT VOID *Data,
- IN VARIABLE_GLOBAL * Global,
- IN UINT32 Instance
- )
-;
-
-EFI_STATUS
-EFIAPI
-GetNextVariableName (
- IN OUT UINTN *VariableNameSize,
- IN OUT CHAR16 *VariableName,
- IN OUT EFI_GUID *VendorGuid,
- IN VARIABLE_GLOBAL *Global,
- IN UINT32 Instance
- )
-;
-
-EFI_STATUS
-EFIAPI
-SetVariable (
- IN CHAR16 *VariableName,
- IN EFI_GUID *VendorGuid,
- IN UINT32 Attributes,
- IN UINTN DataSize,
- IN VOID *Data,
- IN VARIABLE_GLOBAL *Global,
- IN UINTN *VolatileOffset,
- IN UINTN *NonVolatileOffset,
- IN UINT32 Instance
- )
-;
-
-EFI_STATUS
-EFIAPI
-QueryVariableInfo (
- IN UINT32 Attributes,
- OUT UINT64 *MaximumVariableStorageSize,
- OUT UINT64 *RemainingVariableStorageSize,
- OUT UINT64 *MaximumVariableSize,
- IN VARIABLE_GLOBAL *Global,
- IN UINT32 Instance
- )
-;
-
-#endif
diff --git a/MdeModulePkg/Universal/PcatCompatible/RealTimeClockRuntimeDxe/Ia32/Ia32PcRtc.c b/MdeModulePkg/Universal/PcatCompatible/RealTimeClockRuntimeDxe/Ia32/Ia32PcRtc.c
deleted file mode 100644
index f0b1640963..0000000000
--- a/MdeModulePkg/Universal/PcatCompatible/RealTimeClockRuntimeDxe/Ia32/Ia32PcRtc.c
+++ /dev/null
@@ -1,173 +0,0 @@
-/*++
-
-Copyright (c) 2006, Intel Corporation. All rights reserved. <BR>
-This software and associated documentation (if any) is furnished
-under a license and may only be used or copied in accordance
-with the terms of the license. Except as permitted by such
-license, no part of this software or documentation may be
-reproduced, stored in a retrieval system, or transmitted in any
-form or by any means without the express written consent of
-Intel Corporation.
-
-
-
-Module Name:
-
- Ia32PcRtc.c
-
-Abstract:
-
---*/
-
-#include "PcRtc.h"
-
-static PC_RTC_MODULE_GLOBALS mModuleGlobal;
-
-EFI_STATUS
-EFIAPI
-PcRtcEfiGetTime (
- OUT EFI_TIME *Time,
- OUT EFI_TIME_CAPABILITIES *Capabilities
- )
-/*++
-
-Routine Description:
-
- GC_TODO: Add function description
-
-Arguments:
-
- Time - GC_TODO: add argument description
- Capabilities - GC_TODO: add argument description
-
-Returns:
-
- GC_TODO: add return values
-
---*/
-{
- return PcRtcGetTime (Time, Capabilities, &mModuleGlobal);
-}
-
-EFI_STATUS
-EFIAPI
-PcRtcEfiSetTime (
- IN EFI_TIME *Time
- )
-/*++
-
-Routine Description:
-
- GC_TODO: Add function description
-
-Arguments:
-
- Time - GC_TODO: add argument description
-
-Returns:
-
- GC_TODO: add return values
-
---*/
-{
- return PcRtcSetTime (Time, &mModuleGlobal);
-}
-
-EFI_STATUS
-EFIAPI
-PcRtcEfiGetWakeupTime (
- OUT BOOLEAN *Enabled,
- OUT BOOLEAN *Pending,
- OUT EFI_TIME *Time
- )
-/*++
-
-Routine Description:
-
- GC_TODO: Add function description
-
-Arguments:
-
- Enabled - GC_TODO: add argument description
- Pending - GC_TODO: add argument description
- Time - GC_TODO: add argument description
-
-Returns:
-
- GC_TODO: add return values
-
---*/
-{
- return PcRtcGetWakeupTime (Enabled, Pending, Time, &mModuleGlobal);
-}
-
-EFI_STATUS
-EFIAPI
-PcRtcEfiSetWakeupTime (
- IN BOOLEAN Enabled,
- OUT EFI_TIME *Time
- )
-/*++
-
-Routine Description:
-
- GC_TODO: Add function description
-
-Arguments:
-
- Enabled - GC_TODO: add argument description
- Time - GC_TODO: add argument description
-
-Returns:
-
- GC_TODO: add return values
-
---*/
-{
- return PcRtcSetWakeupTime (Enabled, Time, &mModuleGlobal);
-}
-
-EFI_STATUS
-EFIAPI
-InitializePcRtc (
- IN EFI_HANDLE ImageHandle,
- IN EFI_SYSTEM_TABLE *SystemTable
- )
-/*++
-
-Routine Description:
-
- Arguments:
-
-
-
-Returns:
---*/
-// GC_TODO: ImageHandle - add argument and description to function comment
-// GC_TODO: SystemTable - add argument and description to function comment
-{
- EFI_STATUS Status;
- EFI_HANDLE NewHandle;
-
- EfiInitializeLock (&mModuleGlobal.RtcLock, TPL_HIGH_LEVEL);
-
- Status = PcRtcInit (&mModuleGlobal);
- if (EFI_ERROR (Status)) {
- return Status;
- }
-
- gRT->GetTime = PcRtcEfiGetTime;
- gRT->SetTime = PcRtcEfiSetTime;
- gRT->GetWakeupTime = PcRtcEfiGetWakeupTime;
- gRT->SetWakeupTime = PcRtcEfiSetWakeupTime;
-
- NewHandle = NULL;
- Status = gBS->InstallMultipleProtocolInterfaces (
- &NewHandle,
- &gEfiRealTimeClockArchProtocolGuid,
- NULL,
- NULL
- );
-
- return Status;
-}
diff --git a/MdeModulePkg/Universal/PcatCompatible/RealTimeClockRuntimeDxe/PcRtc.c b/MdeModulePkg/Universal/PcatCompatible/RealTimeClockRuntimeDxe/PcRtc.c
deleted file mode 100644
index a58aee5f8a..0000000000
--- a/MdeModulePkg/Universal/PcatCompatible/RealTimeClockRuntimeDxe/PcRtc.c
+++ /dev/null
@@ -1,1071 +0,0 @@
-/*++
-
-Copyright (c) 2006 - 2007, Intel Corporation. All rights reserved. <BR>
-This software and associated documentation (if any) is furnished
-under a license and may only be used or copied in accordance
-with the terms of the license. Except as permitted by such
-license, no part of this software or documentation may be
-reproduced, stored in a retrieval system, or transmitted in any
-form or by any means without the express written consent of
-Intel Corporation.
-
-
-
-Module Name:
-
- PcRtc.c
-
-Abstract:
-
- RTC Architectural Protocol GUID as defined in DxeCis 0.96
-
---*/
-
-#include "PcRtc.h"
-
-STATIC
-INTN
-CompareHMS (
- IN EFI_TIME *From,
- IN EFI_TIME *To
- );
-
-STATIC
-BOOLEAN
-IsWithinOneDay (
- IN EFI_TIME *From,
- IN EFI_TIME *To
- );
-
-STATIC
-UINT8
-RtcRead (
- IN UINT8 Address
- )
-/*++
-
-Routine Description:
-
- GC_TODO: Add function description
-
-Arguments:
-
- Address - GC_TODO: add argument description
-
-Returns:
-
- GC_TODO: add return values
-
---*/
-{
- IoWrite8 (PCAT_RTC_ADDRESS_REGISTER, (UINT8) (Address | (UINT8) (IoRead8 (PCAT_RTC_ADDRESS_REGISTER) & 0x80)));
- return IoRead8 (PCAT_RTC_DATA_REGISTER);
-}
-
-STATIC
-VOID
-RtcWrite (
- IN UINT8 Address,
- IN UINT8 Data
- )
-/*++
-
-Routine Description:
-
- GC_TODO: Add function description
-
-Arguments:
-
- Address - GC_TODO: add argument description
- Data - GC_TODO: add argument description
-
-Returns:
-
- GC_TODO: add return values
-
---*/
-{
- IoWrite8 (PCAT_RTC_ADDRESS_REGISTER, (UINT8) (Address | (UINT8) (IoRead8 (PCAT_RTC_ADDRESS_REGISTER) & 0x80)));
- IoWrite8 (PCAT_RTC_DATA_REGISTER, Data);
-}
-
-EFI_STATUS
-PcRtcInit (
- IN PC_RTC_MODULE_GLOBALS *Global
- )
-/*++
-
-Routine Description:
-
- GC_TODO: Add function description
-
-Arguments:
-
- Global - GC_TODO: add argument description
-
-Returns:
-
- EFI_DEVICE_ERROR - GC_TODO: Add description for return value
- EFI_SUCCESS - GC_TODO: Add description for return value
-
---*/
-{
- EFI_STATUS Status;
- RTC_REGISTER_A RegisterA;
- RTC_REGISTER_B RegisterB;
- RTC_REGISTER_D RegisterD;
- UINT8 Century;
- EFI_TIME Time;
-
- //
- // Acquire RTC Lock to make access to RTC atomic
- //
- //BugBug: the EfiAtRuntime should be encapsulated in EfiAcquireLock or
- // provide a new instance for EfiAcquireLock, say, RtEfiAcquireLock
- if (!EfiAtRuntime ()) {
- EfiAcquireLock (&Global->RtcLock);
- }
- //
- // Initialize RTC Register
- //
- // Make sure Division Chain is properly configured,
- // or RTC clock won't "tick" -- time won't increment
- //
- RegisterA.Data = RTC_INIT_REGISTER_A;
- RtcWrite (RTC_ADDRESS_REGISTER_A, RegisterA.Data);
-
- //
- // Read Register B
- //
- RegisterB.Data = RtcRead (RTC_ADDRESS_REGISTER_B);
-
- //
- // Clear RTC flag register
- //
- RtcRead (RTC_ADDRESS_REGISTER_C);
-
- //
- // Clear RTC register D
- //
- RegisterD.Data = RTC_INIT_REGISTER_D;
- RtcWrite (RTC_ADDRESS_REGISTER_D, RegisterD.Data);
-
- //
- // Wait for up to 0.1 seconds for the RTC to be updated
- //
- Status = RtcWaitToUpdate (100000);
- if (EFI_ERROR (Status)) {
- //BugBug: the EfiAtRuntime should be encapsulated in EfiAcquireLock or
- // provide a new instance for EfiAcquireLock, say, RtEfiAcquireLock
- if (!EfiAtRuntime ()) {
- EfiReleaseLock (&Global->RtcLock);
- }
- return EFI_DEVICE_ERROR;
- }
- //
- // Get the Time/Date/Daylight Savings values.
- //
- Time.Second = RtcRead (RTC_ADDRESS_SECONDS);
- Time.Minute = RtcRead (RTC_ADDRESS_MINUTES);
- Time.Hour = RtcRead (RTC_ADDRESS_HOURS);
- Time.Day = RtcRead (RTC_ADDRESS_DAY_OF_THE_MONTH);
- Time.Month = RtcRead (RTC_ADDRESS_MONTH);
- Time.Year = RtcRead (RTC_ADDRESS_YEAR);
-
- ConvertRtcTimeToEfiTime (&Time, RegisterB);
-
- if (RtcTestCenturyRegister () == EFI_SUCCESS) {
- Century = BcdToDecimal8 ((UINT8) (RtcRead (RTC_ADDRESS_CENTURY) & 0x7f));
- } else {
- Century = BcdToDecimal8 (RtcRead (RTC_ADDRESS_CENTURY));
- }
-
- Time.Year = (UINT16) (Century * 100 + Time.Year);
-
- //
- // Set RTC configuration after get original time
- //
- RtcWrite (RTC_ADDRESS_REGISTER_B, RTC_INIT_REGISTER_B);
-
- //
- // Release RTC Lock.
- //
- //BugBug: the EfiAtRuntime should be encapsulated in EfiAcquireLock or
- // provide a new instance for EfiAcquireLock, say, RtEfiAcquireLock
- if (!EfiAtRuntime ()) {
- EfiReleaseLock (&Global->RtcLock);
- }
- //
- // Validate time fields
- //
- Status = RtcTimeFieldsValid (&Time);
- if (EFI_ERROR (Status)) {
- Time.Second = RTC_INIT_SECOND;
- Time.Minute = RTC_INIT_MINUTE;
- Time.Hour = RTC_INIT_HOUR;
- Time.Day = RTC_INIT_DAY;
- Time.Month = RTC_INIT_MONTH;
- Time.Year = RTC_INIT_YEAR;
- }
- //
- // Reset time value according to new RTC configuration
- //
- PcRtcSetTime (&Time, Global);
-
- return EFI_SUCCESS;
-}
-
-EFI_STATUS
-PcRtcGetTime (
- OUT EFI_TIME *Time,
- IN EFI_TIME_CAPABILITIES *Capabilities,
- IN PC_RTC_MODULE_GLOBALS *Global
- )
-/*++
-
-Routine Description:
-
- Arguments:
-
- Returns:
---*/
-// GC_TODO: Time - add argument and description to function comment
-// GC_TODO: Capabilities - add argument and description to function comment
-// GC_TODO: Global - add argument and description to function comment
-// GC_TODO: EFI_INVALID_PARAMETER - add return value to function comment
-// GC_TODO: EFI_DEVICE_ERROR - add return value to function comment
-// GC_TODO: EFI_SUCCESS - add return value to function comment
-{
- EFI_STATUS Status;
- RTC_REGISTER_B RegisterB;
- UINT8 Century;
-
- //
- // Check parameters for null pointer
- //
- if (Time == NULL) {
- return EFI_INVALID_PARAMETER;
-
- }
- //
- // Acquire RTC Lock to make access to RTC atomic
- //
- //BugBug: the EfiAtRuntime should be encapsulated in EfiAcquireLock or
- // provide a new instance for EfiAcquireLock, say, RtEfiAcquireLock
- if (!EfiAtRuntime ()) {
- EfiAcquireLock (&Global->RtcLock);
- }
- //
- // Wait for up to 0.1 seconds for the RTC to be updated
- //
- Status = RtcWaitToUpdate (100000);
- if (EFI_ERROR (Status)) {
- //BugBug: the EfiAtRuntime should be encapsulated in EfiReleaseLock or
- // provide a new instance for EfiReleaseLock, say, RtEfiReleaseLock
- if (!EfiAtRuntime ()) {
- EfiReleaseLock (&Global->RtcLock);
- }
- return Status;
- }
- //
- // Read Register B
- //
- RegisterB.Data = RtcRead (RTC_ADDRESS_REGISTER_B);
-
- //
- // Get the Time/Date/Daylight Savings values.
- //
- Time->Second = RtcRead (RTC_ADDRESS_SECONDS);
- Time->Minute = RtcRead (RTC_ADDRESS_MINUTES);
- Time->Hour = RtcRead (RTC_ADDRESS_HOURS);
- Time->Day = RtcRead (RTC_ADDRESS_DAY_OF_THE_MONTH);
- Time->Month = RtcRead (RTC_ADDRESS_MONTH);
- Time->Year = RtcRead (RTC_ADDRESS_YEAR);
-
- ConvertRtcTimeToEfiTime (Time, RegisterB);
-
- if (RtcTestCenturyRegister () == EFI_SUCCESS) {
- Century = BcdToDecimal8 ((UINT8) (RtcRead (RTC_ADDRESS_CENTURY) & 0x7f));
- } else {
- Century = BcdToDecimal8 (RtcRead (RTC_ADDRESS_CENTURY));
- }
-
- Time->Year = (UINT16) (Century * 100 + Time->Year);
-
- //
- // Release RTC Lock.
- //
- //BugBug: the EfiAtRuntime should be encapsulated in EfiReleaseLock or
- // provide a new instance for EfiReleaseLock, say, RtEfiReleaseLock
- if (!EfiAtRuntime ()) {
- EfiReleaseLock (&Global->RtcLock);
- }
- //
- // Get the variable that containts the TimeZone and Daylight fields
- //
- Time->TimeZone = Global->SavedTimeZone;
- Time->Daylight = Global->Daylight;
-
- //
- // Make sure all field values are in correct range
- //
- Status = RtcTimeFieldsValid (Time);
- if (EFI_ERROR (Status)) {
- return EFI_DEVICE_ERROR;
- }
- //
- // Fill in Capabilities if it was passed in
- //
- if (Capabilities) {
- Capabilities->Resolution = 1;
- //
- // 1 hertz
- //
- Capabilities->Accuracy = 50000000;
- //
- // 50 ppm
- //
- Capabilities->SetsToZero = FALSE;
- }
-
- return EFI_SUCCESS;
-}
-
-EFI_STATUS
-PcRtcSetTime (
- IN EFI_TIME *Time,
- IN PC_RTC_MODULE_GLOBALS *Global
- )
-/*++
-
-Routine Description:
-
- Arguments:
-
- Returns:
---*/
-// GC_TODO: Time - add argument and description to function comment
-// GC_TODO: Global - add argument and description to function comment
-// GC_TODO: EFI_INVALID_PARAMETER - add return value to function comment
-{
- EFI_STATUS Status;
- EFI_TIME RtcTime;
- RTC_REGISTER_B RegisterB;
- UINT8 Century;
-
- if (Time == NULL) {
- return EFI_INVALID_PARAMETER;
- }
- //
- // Make sure that the time fields are valid
- //
- Status = RtcTimeFieldsValid (Time);
- if (EFI_ERROR (Status)) {
- return Status;
- }
-
- CopyMem (&RtcTime, Time, sizeof (EFI_TIME));
-
- //
- // Acquire RTC Lock to make access to RTC atomic
- //
- //BugBug: the EfiAtRuntime should be encapsulated in EfiAcquireLock or
- // provide a new instance for EfiAcquireLock, say, RtEfiAcquireLock
- if (!EfiAtRuntime ()) {
- EfiAcquireLock (&Global->RtcLock);
- }
- //
- // Wait for up to 0.1 seconds for the RTC to be updated
- //
- Status = RtcWaitToUpdate (100000);
- if (EFI_ERROR (Status)) {
- //BugBug: the EfiAtRuntime should be encapsulated in EfiReleaseLock or
- // provide a new instance for EfiReleaseLock, say, RtEfiReleaseLock
- if (!EfiAtRuntime ()) {
- EfiReleaseLock (&Global->RtcLock);
- }
- return Status;
- }
- //
- // Read Register B, and inhibit updates of the RTC
- //
- RegisterB.Data = RtcRead (RTC_ADDRESS_REGISTER_B);
- RegisterB.Bits.SET = 1;
- RtcWrite (RTC_ADDRESS_REGISTER_B, RegisterB.Data);
-
- ConvertEfiTimeToRtcTime (&RtcTime, RegisterB, &Century);
-
- RtcWrite (RTC_ADDRESS_SECONDS, RtcTime.Second);
- RtcWrite (RTC_ADDRESS_MINUTES, RtcTime.Minute);
- RtcWrite (RTC_ADDRESS_HOURS, RtcTime.Hour);
- RtcWrite (RTC_ADDRESS_DAY_OF_THE_MONTH, RtcTime.Day);
- RtcWrite (RTC_ADDRESS_MONTH, RtcTime.Month);
- RtcWrite (RTC_ADDRESS_YEAR, (UINT8) RtcTime.Year);
- if (RtcTestCenturyRegister () == EFI_SUCCESS) {
- Century = (UINT8) ((Century & 0x7f) | (RtcRead (RTC_ADDRESS_CENTURY) & 0x80));
- }
-
- RtcWrite (RTC_ADDRESS_CENTURY, Century);
-
- //
- // Allow updates of the RTC registers
- //
- RegisterB.Bits.SET = 0;
- RtcWrite (RTC_ADDRESS_REGISTER_B, RegisterB.Data);
-
- //
- // Release RTC Lock.
- //
- //BugBug: the EfiAtRuntime should be encapsulated in EfiReleaseLock or
- // provide a new instance for EfiReleaseLock, say, RtEfiReleaseLock
- if (!EfiAtRuntime ()) {
- EfiReleaseLock (&Global->RtcLock);
- }
- //
- // Set the variable that containts the TimeZone and Daylight fields
- //
- Global->SavedTimeZone = Time->TimeZone;
- Global->Daylight = Time->Daylight;
- return Status;
-}
-
-EFI_STATUS
-PcRtcGetWakeupTime (
- OUT BOOLEAN *Enabled,
- OUT BOOLEAN *Pending,
- OUT EFI_TIME *Time,
- IN PC_RTC_MODULE_GLOBALS *Global
- )
-/*++
-
-Routine Description:
-
- Arguments:
-
-
-
-Returns:
---*/
-// GC_TODO: Enabled - add argument and description to function comment
-// GC_TODO: Pending - add argument and description to function comment
-// GC_TODO: Time - add argument and description to function comment
-// GC_TODO: Global - add argument and description to function comment
-// GC_TODO: EFI_INVALID_PARAMETER - add return value to function comment
-// GC_TODO: EFI_DEVICE_ERROR - add return value to function comment
-// GC_TODO: EFI_DEVICE_ERROR - add return value to function comment
-// GC_TODO: EFI_SUCCESS - add return value to function comment
-{
- EFI_STATUS Status;
- RTC_REGISTER_B RegisterB;
- RTC_REGISTER_C RegisterC;
- UINT8 Century;
-
- //
- // Check paramters for null pointers
- //
- if ((Enabled == NULL) || (Pending == NULL) || (Time == NULL)) {
- return EFI_INVALID_PARAMETER;
-
- }
- //
- // Acquire RTC Lock to make access to RTC atomic
- //
- //BugBug: the EfiAtRuntime should be encapsulated in EfiAcquireLock or
- // provide a new instance for EfiAcquireLock, say, RtEfiAcquireLock
- if (!EfiAtRuntime ()) {
- EfiAcquireLock (&Global->RtcLock);
- }
- //
- // Wait for up to 0.1 seconds for the RTC to be updated
- //
- Status = RtcWaitToUpdate (100000);
- if (EFI_ERROR (Status)) {
- //BugBug: the EfiAtRuntime should be encapsulated in EfiReleaseLock or
- // provide a new instance for EfiReleaseLock, say, RtEfiReleaseLock
- if (!EfiAtRuntime ()) {
- EfiReleaseLock (&Global->RtcLock);
- }
- return EFI_DEVICE_ERROR;
- }
- //
- // Read Register B and Register C
- //
- RegisterB.Data = RtcRead (RTC_ADDRESS_REGISTER_B);
- RegisterC.Data = RtcRead (RTC_ADDRESS_REGISTER_C);
-
- //
- // Get the Time/Date/Daylight Savings values.
- //
- *Enabled = RegisterB.Bits.AIE;
- if (*Enabled) {
- Time->Second = RtcRead (RTC_ADDRESS_SECONDS_ALARM);
- Time->Minute = RtcRead (RTC_ADDRESS_MINUTES_ALARM);
- Time->Hour = RtcRead (RTC_ADDRESS_HOURS_ALARM);
- Time->Day = RtcRead (RTC_ADDRESS_DAY_OF_THE_MONTH);
- Time->Month = RtcRead (RTC_ADDRESS_MONTH);
- Time->Year = RtcRead (RTC_ADDRESS_YEAR);
- } else {
- Time->Second = 0;
- Time->Minute = 0;
- Time->Hour = 0;
- Time->Day = RtcRead (RTC_ADDRESS_DAY_OF_THE_MONTH);
- Time->Month = RtcRead (RTC_ADDRESS_MONTH);
- Time->Year = RtcRead (RTC_ADDRESS_YEAR);
- }
-
- ConvertRtcTimeToEfiTime (Time, RegisterB);
-
- if (RtcTestCenturyRegister () == EFI_SUCCESS) {
- Century = BcdToDecimal8 ((UINT8) (RtcRead (RTC_ADDRESS_CENTURY) & 0x7f));
- } else {
- Century = BcdToDecimal8 (RtcRead (RTC_ADDRESS_CENTURY));
- }
-
- Time->Year = (UINT16) (Century * 100 + Time->Year);
-
- //
- // Release RTC Lock.
- //
- //BugBug: the EfiAtRuntime should be encapsulated in EfiReleaseLock or
- // provide a new instance for EfiReleaseLock, say, RtEfiReleaseLock
- if (!EfiAtRuntime ()) {
- EfiReleaseLock (&Global->RtcLock);
- }
- //
- // Make sure all field values are in correct range
- //
- Status = RtcTimeFieldsValid (Time);
- if (EFI_ERROR (Status)) {
- return EFI_DEVICE_ERROR;
- }
-
- *Pending = RegisterC.Bits.AF;
-
- return EFI_SUCCESS;
-}
-
-EFI_STATUS
-PcRtcSetWakeupTime (
- IN BOOLEAN Enable,
- OUT EFI_TIME *Time,
- IN PC_RTC_MODULE_GLOBALS *Global
- )
-/*++
-
-Routine Description:
-
- Arguments:
-
-
-
-Returns:
---*/
-// GC_TODO: Enable - add argument and description to function comment
-// GC_TODO: Time - add argument and description to function comment
-// GC_TODO: Global - add argument and description to function comment
-// GC_TODO: EFI_INVALID_PARAMETER - add return value to function comment
-// GC_TODO: EFI_INVALID_PARAMETER - add return value to function comment
-// GC_TODO: EFI_UNSUPPORTED - add return value to function comment
-// GC_TODO: EFI_DEVICE_ERROR - add return value to function comment
-// GC_TODO: EFI_SUCCESS - add return value to function comment
-{
- EFI_STATUS Status;
- EFI_TIME RtcTime;
- RTC_REGISTER_B RegisterB;
- UINT8 Century;
- EFI_TIME_CAPABILITIES Capabilities;
-
- if (Enable) {
-
- if (Time == NULL) {
- return EFI_INVALID_PARAMETER;
- }
- //
- // Make sure that the time fields are valid
- //
- Status = RtcTimeFieldsValid (Time);
- if (EFI_ERROR (Status)) {
- return EFI_INVALID_PARAMETER;
- }
- //
- // Just support set alarm time within 24 hours
- //
- PcRtcGetTime (&RtcTime, &Capabilities, Global);
- if (!IsWithinOneDay (&RtcTime, Time)) {
- return EFI_UNSUPPORTED;
- }
- //
- // Make a local copy of the time and date
- //
- CopyMem (&RtcTime, Time, sizeof (EFI_TIME));
-
- }
- //
- // Acquire RTC Lock to make access to RTC atomic
- //
- //BugBug: the EfiAtRuntime should be encapsulated in EfiAcquireLock or
- // provide a new instance for EfiAcquireLock, say, RtEfiAcquireLock
- if (!EfiAtRuntime ()) {
- EfiAcquireLock (&Global->RtcLock);
- }
- //
- // Wait for up to 0.1 seconds for the RTC to be updated
- //
- Status = RtcWaitToUpdate (100000);
- if (EFI_ERROR (Status)) {
- //BugBug: the EfiAtRuntime should be encapsulated in EfiReleaseLock or
- // provide a new instance for EfiReleaseLock, say, RtEfiReleaseLock
- if (!EfiAtRuntime ()) {
- EfiReleaseLock (&Global->RtcLock);
- }
- return EFI_DEVICE_ERROR;
- }
- //
- // Read Register B, and inhibit updates of the RTC
- //
- RegisterB.Data = RtcRead (RTC_ADDRESS_REGISTER_B);
-
- RegisterB.Bits.SET = 1;
- RtcWrite (RTC_ADDRESS_REGISTER_B, RegisterB.Data);
-
- if (Enable) {
- ConvertEfiTimeToRtcTime (&RtcTime, RegisterB, &Century);
-
- //
- // Set RTC alarm time
- //
- RtcWrite (RTC_ADDRESS_SECONDS_ALARM, RtcTime.Second);
- RtcWrite (RTC_ADDRESS_MINUTES_ALARM, RtcTime.Minute);
- RtcWrite (RTC_ADDRESS_HOURS_ALARM, RtcTime.Hour);
-
- RegisterB.Bits.AIE = 1;
-
- } else {
- RegisterB.Bits.AIE = 0;
- }
- //
- // Allow updates of the RTC registers
- //
- RegisterB.Bits.SET = 0;
- RtcWrite (RTC_ADDRESS_REGISTER_B, RegisterB.Data);
-
- //
- // Release RTC Lock.
- //
- //BugBug: the EfiAtRuntime should be encapsulated in EfiReleaseLock or
- // provide a new instance for EfiReleaseLock, say, RtEfiReleaseLock
- if (!EfiAtRuntime ()) {
- EfiReleaseLock (&Global->RtcLock);
- }
- return EFI_SUCCESS;
-}
-
-EFI_STATUS
-RtcTestCenturyRegister (
- VOID
- )
-/*++
-
-Routine Description:
-
- Arguments:
-
-
-
-Returns:
---*/
-// GC_TODO: EFI_SUCCESS - add return value to function comment
-// GC_TODO: EFI_DEVICE_ERROR - add return value to function comment
-{
- UINT8 Century;
- UINT8 Temp;
-
- Century = RtcRead (RTC_ADDRESS_CENTURY);
- //
- // RtcWrite (RTC_ADDRESS_CENTURY, 0x00);
- //
- Temp = (UINT8) (RtcRead (RTC_ADDRESS_CENTURY) & 0x7f);
- RtcWrite (RTC_ADDRESS_CENTURY, Century);
- if (Temp == 0x19 || Temp == 0x20) {
- return EFI_SUCCESS;
- }
-
- return EFI_DEVICE_ERROR;
-}
-
-VOID
-ConvertRtcTimeToEfiTime (
- IN EFI_TIME *Time,
- IN RTC_REGISTER_B RegisterB
- )
-/*++
-
-Routine Description:
-
- Arguments:
-
-
-
-Returns:
---*/
-// GC_TODO: Time - add argument and description to function comment
-// GC_TODO: RegisterB - add argument and description to function comment
-{
- BOOLEAN PM;
-
- if ((Time->Hour) & 0x80) {
- PM = TRUE;
- } else {
- PM = FALSE;
- }
-
- Time->Hour = (UINT8) (Time->Hour & 0x7f);
-
- if (RegisterB.Bits.DM == 0) {
- Time->Year = BcdToDecimal8 ((UINT8) Time->Year);
- Time->Month = BcdToDecimal8 (Time->Month);
- Time->Day = BcdToDecimal8 (Time->Day);
- Time->Hour = BcdToDecimal8 (Time->Hour);
- Time->Minute = BcdToDecimal8 (Time->Minute);
- Time->Second = BcdToDecimal8 (Time->Second);
- }
- //
- // If time is in 12 hour format, convert it to 24 hour format
- //
- if (RegisterB.Bits.MIL == 0) {
- if (PM && Time->Hour < 12) {
- Time->Hour = (UINT8) (Time->Hour + 12);
- }
-
- if (!PM && Time->Hour == 12) {
- Time->Hour = 0;
- }
- }
-
- Time->Nanosecond = 0;
- Time->TimeZone = EFI_UNSPECIFIED_TIMEZONE;
- Time->Daylight = 0;
-}
-
-EFI_STATUS
-RtcWaitToUpdate (
- UINTN Timeout
- )
-/*++
-
-Routine Description:
-
- Arguments:
-
-
-Returns:
---*/
-// GC_TODO: Timeout - add argument and description to function comment
-// GC_TODO: EFI_DEVICE_ERROR - add return value to function comment
-// GC_TODO: EFI_DEVICE_ERROR - add return value to function comment
-// GC_TODO: EFI_SUCCESS - add return value to function comment
-{
- RTC_REGISTER_A RegisterA;
- RTC_REGISTER_D RegisterD;
-
- //
- // See if the RTC is functioning correctly
- //
- RegisterD.Data = RtcRead (RTC_ADDRESS_REGISTER_D);
-
- if (RegisterD.Bits.VRT == 0) {
- return EFI_DEVICE_ERROR;
- }
- //
- // Wait for up to 0.1 seconds for the RTC to be ready.
- //
- Timeout = (Timeout / 10) + 1;
- RegisterA.Data = RtcRead (RTC_ADDRESS_REGISTER_A);
- while (RegisterA.Bits.UIP == 1 && Timeout > 0) {
- MicroSecondDelay (10);
- RegisterA.Data = RtcRead (RTC_ADDRESS_REGISTER_A);
- Timeout--;
- }
-
- RegisterD.Data = RtcRead (RTC_ADDRESS_REGISTER_D);
- if (Timeout == 0 || RegisterD.Bits.VRT == 0) {
- return EFI_DEVICE_ERROR;
- }
-
- return EFI_SUCCESS;
-}
-
-EFI_STATUS
-RtcTimeFieldsValid (
- IN EFI_TIME *Time
- )
-/*++
-
-Routine Description:
-
- Arguments:
-
- Returns:
---*/
-// GC_TODO: Time - add argument and description to function comment
-// GC_TODO: EFI_INVALID_PARAMETER - add return value to function comment
-// GC_TODO: EFI_SUCCESS - add return value to function comment
-{
- if (Time->Year < 1998 ||
- Time->Year > 2099 ||
- Time->Month < 1 ||
- Time->Month > 12 ||
- (!DayValid (Time)) ||
- Time->Hour > 23 ||
- Time->Minute > 59 ||
- Time->Second > 59 ||
- Time->Nanosecond > 999999999 ||
- (!(Time->TimeZone == EFI_UNSPECIFIED_TIMEZONE || (Time->TimeZone >= -1440 && Time->TimeZone <= 1440))) ||
- (Time->Daylight & (~(EFI_TIME_ADJUST_DAYLIGHT | EFI_TIME_IN_DAYLIGHT)))
- ) {
- return EFI_INVALID_PARAMETER;
- }
-
- return EFI_SUCCESS;
-}
-
-BOOLEAN
-DayValid (
- IN EFI_TIME *Time
- )
-/*++
-
-Routine Description:
-
- GC_TODO: Add function description
-
-Arguments:
-
- Time - GC_TODO: add argument description
-
-Returns:
-
- GC_TODO: add return values
-
---*/
-{
- INTN DayOfMonth[12];
-
- DayOfMonth[0] = 31;
- DayOfMonth[1] = 29;
- DayOfMonth[2] = 31;
- DayOfMonth[3] = 30;
- DayOfMonth[4] = 31;
- DayOfMonth[5] = 30;
- DayOfMonth[6] = 31;
- DayOfMonth[7] = 31;
- DayOfMonth[8] = 30;
- DayOfMonth[9] = 31;
- DayOfMonth[10] = 30;
- DayOfMonth[11] = 31;
-
- if (Time->Day < 1 ||
- Time->Day > DayOfMonth[Time->Month - 1] ||
- (Time->Month == 2 && (!IsLeapYear (Time) && Time->Day > 28))
- ) {
- return FALSE;
- }
-
- return TRUE;
-}
-
-BOOLEAN
-IsLeapYear (
- IN EFI_TIME *Time
- )
-/*++
-
-Routine Description:
-
- GC_TODO: Add function description
-
-Arguments:
-
- Time - GC_TODO: add argument description
-
-Returns:
-
- GC_TODO: add return values
-
---*/
-{
- if (Time->Year % 4 == 0) {
- if (Time->Year % 100 == 0) {
- if (Time->Year % 400 == 0) {
- return TRUE;
- } else {
- return FALSE;
- }
- } else {
- return TRUE;
- }
- } else {
- return FALSE;
- }
-}
-
-VOID
-ConvertEfiTimeToRtcTime (
- IN EFI_TIME *Time,
- IN RTC_REGISTER_B RegisterB,
- IN UINT8 *Century
- )
-/*++
-
-Routine Description:
-
- Arguments:
-
-
-Returns:
---*/
-// GC_TODO: Time - add argument and description to function comment
-// GC_TODO: RegisterB - add argument and description to function comment
-// GC_TODO: Century - add argument and description to function comment
-{
- BOOLEAN PM;
-
- PM = TRUE;
- //
- // Adjust hour field if RTC in in 12 hour mode
- //
- if (RegisterB.Bits.MIL == 0) {
- if (Time->Hour < 12) {
- PM = FALSE;
- }
-
- if (Time->Hour >= 13) {
- Time->Hour = (UINT8) (Time->Hour - 12);
- } else if (Time->Hour == 0) {
- Time->Hour = 12;
- }
- }
- //
- // Set the Time/Date/Daylight Savings values.
- //
- *Century = DecimalToBcd8 ((UINT8) (Time->Year / 100));
-
- Time->Year = (UINT16) (Time->Year % 100);
-
- if (RegisterB.Bits.DM == 0) {
- Time->Year = DecimalToBcd8 ((UINT8) Time->Year);
- Time->Month = DecimalToBcd8 (Time->Month);
- Time->Day = DecimalToBcd8 (Time->Day);
- Time->Hour = DecimalToBcd8 (Time->Hour);
- Time->Minute = DecimalToBcd8 (Time->Minute);
- Time->Second = DecimalToBcd8 (Time->Second);
- }
- //
- // If we are in 12 hour mode and PM is set, then set bit 7 of the Hour field.
- //
- if (RegisterB.Bits.MIL == 0 && PM) {
- Time->Hour = (UINT8) (Time->Hour | 0x80);
- }
-}
-
-STATIC
-INTN
-CompareHMS (
- IN EFI_TIME *From,
- IN EFI_TIME *To
- )
-/*++
-
-Routine Description:
-
- Compare the Hour, Minute and Second of the 'From' time and the 'To' time.
- Only compare H/M/S in EFI_TIME and ignore other fields here.
-
-Arguments:
-
- From - the first time
- To - the second time
-
-Returns:
-
- >0 : The H/M/S of the 'From' time is later than those of 'To' time
- ==0 : The H/M/S of the 'From' time is same as those of 'To' time
- <0 : The H/M/S of the 'From' time is earlier than those of 'To' time
-
---*/
-{
- if ((From->Hour > To->Hour) ||
- ((From->Hour == To->Hour) && (From->Minute > To->Minute)) ||
- ((From->Hour == To->Hour) && (From->Minute == To->Minute) && (From->Second > To->Second))) {
- return 1;
- } else if ((From->Hour == To->Hour) && (From->Minute == To->Minute) && (From->Second == To->Second)) {
- return 0;
- } else {
- return -1;
- }
-}
-
-STATIC
-BOOLEAN
-IsWithinOneDay (
- IN EFI_TIME *From,
- IN EFI_TIME *To
- )
-/*++
-
-Routine Description:
-
- Judge whether two days are adjacent.
-
-Arguments:
-
- From - the first day
- To - the second day
-
-Returns:
-
- TRUE - The interval of two days are within one day.
- FALSE - The interval of two days exceed ony day or parameter error.
-
---*/
-{
- UINT8 DayOfMonth[12] = {31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};
- BOOLEAN Adjacent = FALSE;
-
- if (From->Year == To->Year) {
- if (From->Month == To->Month) {
- if ((From->Day + 1) == To->Day) {
- if ((CompareHMS(From, To) >= 0)) {
- Adjacent = TRUE;
- }
- } else if (From->Day == To->Day) {
- if ((CompareHMS(From, To) <= 0)) {
- Adjacent = TRUE;
- }
- }
- } else if (((From->Month + 1) == To->Month) && (To->Day == 1)) {
- if ((From->Month == 2) && !IsLeapYear(From)) {
- if (From->Day == 28) {
- if ((CompareHMS(From, To) >= 0)) {
- Adjacent = TRUE;
- }
- }
- } else if (From->Day == DayOfMonth[From->Month - 1]) {
- if ((CompareHMS(From, To) >= 0)) {
- Adjacent = TRUE;
- }
- }
- }
- } else if (((From->Year + 1) == To->Year) &&
- (From->Month == 12) &&
- (From->Day == 31) &&
- (To->Month == 1) &&
- (To->Day == 1)) {
- if ((CompareHMS(From, To) >= 0)) {
- Adjacent = TRUE;
- }
- }
-
- return Adjacent;
-}
-
diff --git a/MdeModulePkg/Universal/PcatCompatible/RealTimeClockRuntimeDxe/PcRtc.h b/MdeModulePkg/Universal/PcatCompatible/RealTimeClockRuntimeDxe/PcRtc.h
deleted file mode 100644
index 55ed7c3700..0000000000
--- a/MdeModulePkg/Universal/PcatCompatible/RealTimeClockRuntimeDxe/PcRtc.h
+++ /dev/null
@@ -1,514 +0,0 @@
-/*++
-
-Copyright (c) 2006, Intel Corporation. All rights reserved.
-This software and associated documentation (if any) is furnished
-under a license and may only be used or copied in accordance
-with the terms of the license. Except as permitted by such
-license, no part of this software or documentation may be
-reproduced, stored in a retrieval system, or transmitted in any
-form or by any means without the express written consent of
-Intel Corporation.
-
-
-Module Name:
-
- PcRtc.h
-
-Abstract:
-
- Include for real time clock driver
-
-Revision History
-
-
---*/
-
-#ifndef _RTC_H_
-#define _RTC_H_
-
-//
-// The package level header files this module uses
-//
-#include <PiDxe.h>
-//
-// The protocols, PPI and GUID defintions for this module
-//
-#include <Protocol/RealTimeClock.h>
-//
-// The Library classes this module consumes
-//
-#include <Library/BaseLib.h>
-#include <Library/DebugLib.h>
-#include <Library/UefiLib.h>
-#include <Library/BaseMemoryLib.h>
-#include <Library/IoLib.h>
-#include <Library/TimerLib.h>
-#include <Library/UefiDriverEntryPoint.h>
-#include <Library/UefiBootServicesTableLib.h>
-#include <Library/UefiRuntimeLib.h>
-#include <Library/UefiRuntimeServicesTableLib.h>
-
-
-typedef struct {
- EFI_LOCK RtcLock;
- UINT16 SavedTimeZone;
- UINT8 Daylight;
-} PC_RTC_MODULE_GLOBALS;
-
-#define PCAT_RTC_ADDRESS_REGISTER 0x70
-#define PCAT_RTC_DATA_REGISTER 0x71
-
-//
-// Dallas DS12C887 Real Time Clock
-//
-#define RTC_ADDRESS_SECONDS 0 // R/W Range 0..59
-#define RTC_ADDRESS_SECONDS_ALARM 1 // R/W Range 0..59
-#define RTC_ADDRESS_MINUTES 2 // R/W Range 0..59
-#define RTC_ADDRESS_MINUTES_ALARM 3 // R/W Range 0..59
-#define RTC_ADDRESS_HOURS 4 // R/W Range 1..12 or 0..23 Bit 7 is AM/PM
-#define RTC_ADDRESS_HOURS_ALARM 5 // R/W Range 1..12 or 0..23 Bit 7 is AM/PM
-#define RTC_ADDRESS_DAY_OF_THE_WEEK 6 // R/W Range 1..7
-#define RTC_ADDRESS_DAY_OF_THE_MONTH 7 // R/W Range 1..31
-#define RTC_ADDRESS_MONTH 8 // R/W Range 1..12
-#define RTC_ADDRESS_YEAR 9 // R/W Range 0..99
-#define RTC_ADDRESS_REGISTER_A 10 // R/W[0..6] R0[7]
-#define RTC_ADDRESS_REGISTER_B 11 // R/W
-#define RTC_ADDRESS_REGISTER_C 12 // RO
-#define RTC_ADDRESS_REGISTER_D 13 // RO
-#define RTC_ADDRESS_CENTURY 50 // R/W Range 19..20 Bit 8 is R/W
-//
-// Date and time initial values.
-// They are used if the RTC values are invalid during driver initialization
-//
-#define RTC_INIT_SECOND 0
-#define RTC_INIT_MINUTE 0
-#define RTC_INIT_HOUR 0
-#define RTC_INIT_DAY 1
-#define RTC_INIT_MONTH 1
-#define RTC_INIT_YEAR 2001
-
-//
-// Register initial values
-//
-#define RTC_INIT_REGISTER_A 0x26
-#define RTC_INIT_REGISTER_B 0x02
-#define RTC_INIT_REGISTER_D 0x0
-
-#pragma pack(1)
-//
-// Register A
-//
-typedef struct {
- UINT8 RS : 4; // Rate Selection Bits
- UINT8 DV : 3; // Divisor
- UINT8 UIP : 1; // Update in progress
-} RTC_REGISTER_A_BITS;
-
-typedef union {
- RTC_REGISTER_A_BITS Bits;
- UINT8 Data;
-} RTC_REGISTER_A;
-
-//
-// Register B
-//
-typedef struct {
- UINT8 DSE : 1; // 0 - Daylight saving disabled 1 - Daylight savings enabled
- UINT8 MIL : 1; // 0 - 12 hour mode 1 - 24 hour mode
- UINT8 DM : 1; // 0 - BCD Format 1 - Binary Format
- UINT8 SQWE : 1; // 0 - Disable SQWE output 1 - Enable SQWE output
- UINT8 UIE : 1; // 0 - Update INT disabled 1 - Update INT enabled
- UINT8 AIE : 1; // 0 - Alarm INT disabled 1 - Alarm INT Enabled
- UINT8 PIE : 1; // 0 - Periodic INT disabled 1 - Periodic INT Enabled
- UINT8 SET : 1; // 0 - Normal operation. 1 - Updates inhibited
-} RTC_REGISTER_B_BITS;
-
-typedef union {
- RTC_REGISTER_B_BITS Bits;
- UINT8 Data;
-} RTC_REGISTER_B;
-
-//
-// Register C
-//
-typedef struct {
- UINT8 Reserved : 4; // Read as zero. Can not be written.
- UINT8 UF : 1; // Update End Interrupt Flag
- UINT8 AF : 1; // Alarm Interrupt Flag
- UINT8 PF : 1; // Periodic Interrupt Flag
- UINT8 IRQF : 1; // Iterrupt Request Flag = PF & PIE | AF & AIE | UF & UIE
-} RTC_REGISTER_C_BITS;
-
-typedef union {
- RTC_REGISTER_C_BITS Bits;
- UINT8 Data;
-} RTC_REGISTER_C;
-
-//
-// Register D
-//
-typedef struct {
- UINT8 Reserved : 7; // Read as zero. Can not be written.
- UINT8 VRT : 1; // Valid RAM and Time
-} RTC_REGISTER_D_BITS;
-
-typedef union {
- RTC_REGISTER_D_BITS Bits;
- UINT8 Data;
-} RTC_REGISTER_D;
-
-#pragma pack()
-
-EFI_STATUS
-PcRtcInit (
- IN PC_RTC_MODULE_GLOBALS *Global
- )
-/*++
-
-Routine Description:
-
- GC_TODO: Add function description
-
-Arguments:
-
- Global - GC_TODO: add argument description
-
-Returns:
-
- GC_TODO: add return values
-
---*/
-;
-
-EFI_STATUS
-PcRtcSetTime (
- IN EFI_TIME *Time,
- IN PC_RTC_MODULE_GLOBALS *Global
- )
-/*++
-
-Routine Description:
-
- GC_TODO: Add function description
-
-Arguments:
-
- Time - GC_TODO: add argument description
- Global - GC_TODO: add argument description
-
-Returns:
-
- GC_TODO: add return values
-
---*/
-;
-
-EFI_STATUS
-PcRtcGetTime (
- OUT EFI_TIME *Time,
- IN EFI_TIME_CAPABILITIES *Capabilities,
- IN PC_RTC_MODULE_GLOBALS *Global
- )
-/*++
-
-Routine Description:
-
- GC_TODO: Add function description
-
-Arguments:
-
- Time - GC_TODO: add argument description
- Capabilities - GC_TODO: add argument description
- Global - GC_TODO: add argument description
-
-Returns:
-
- GC_TODO: add return values
-
---*/
-;
-
-EFI_STATUS
-PcRtcSetWakeupTime (
- IN BOOLEAN Enable,
- OUT EFI_TIME *Time,
- IN PC_RTC_MODULE_GLOBALS *Global
- )
-/*++
-
-Routine Description:
-
- GC_TODO: Add function description
-
-Arguments:
-
- Enable - GC_TODO: add argument description
- Time - GC_TODO: add argument description
- Global - GC_TODO: add argument description
-
-Returns:
-
- GC_TODO: add return values
-
---*/
-;
-
-EFI_STATUS
-PcRtcGetWakeupTime (
- OUT BOOLEAN *Enabled,
- OUT BOOLEAN *Pending,
- OUT EFI_TIME *Time,
- IN PC_RTC_MODULE_GLOBALS *Global
- )
-/*++
-
-Routine Description:
-
- GC_TODO: Add function description
-
-Arguments:
-
- Enabled - GC_TODO: add argument description
- Pending - GC_TODO: add argument description
- Time - GC_TODO: add argument description
- Global - GC_TODO: add argument description
-
-Returns:
-
- GC_TODO: add return values
-
---*/
-;
-
-EFI_STATUS
-EFIAPI
-InitializePcRtc (
- IN EFI_HANDLE ImageHandle,
- IN EFI_SYSTEM_TABLE *SystemTable
- )
-/*++
-
-Routine Description:
-
- GC_TODO: Add function description
-
-Arguments:
-
- ImageHandle - GC_TODO: add argument description
- SystemTable - GC_TODO: add argument description
-
-Returns:
-
- GC_TODO: add return values
-
---*/
-;
-
-UINT8
-BcdToDecimal (
- IN UINT8 BcdValue
- )
-/*++
-
-Routine Description:
-
- GC_TODO: Add function description
-
-Arguments:
-
- BcdValue - GC_TODO: add argument description
-
-Returns:
-
- GC_TODO: add return values
-
---*/
-;
-
-EFI_STATUS
-RtcTimeFieldsValid (
- IN EFI_TIME *Time
- )
-/*++
-
-Routine Description:
-
- GC_TODO: Add function description
-
-Arguments:
-
- Time - GC_TODO: add argument description
-
-Returns:
-
- GC_TODO: add return values
-
---*/
-;
-
-UINT8
-DecimaltoBcd (
- IN UINT8 DecValue
- )
-/*++
-
-Routine Description:
-
- GC_TODO: Add function description
-
-Arguments:
-
- DecValue - GC_TODO: add argument description
-
-Returns:
-
- GC_TODO: add return values
-
---*/
-;
-
-VOID
-ConvertEfiTimeToRtcTime (
- IN EFI_TIME *Time,
- IN RTC_REGISTER_B RegisterB,
- IN UINT8 *Century
- )
-/*++
-
-Routine Description:
-
- GC_TODO: Add function description
-
-Arguments:
-
- Time - GC_TODO: add argument description
- RegisterB - GC_TODO: add argument description
- Century - GC_TODO: add argument description
-
-Returns:
-
- GC_TODO: add return values
-
---*/
-;
-
-EFI_STATUS
-RtcTestCenturyRegister (
- VOID
- )
-/*++
-
-Routine Description:
-
- GC_TODO: Add function description
-
-Arguments:
-
- None
-
-Returns:
-
- GC_TODO: add return values
-
---*/
-;
-
-VOID
-ConvertRtcTimeToEfiTime (
- IN EFI_TIME *Time,
- IN RTC_REGISTER_B RegisterB
- )
-/*++
-
-Routine Description:
-
- GC_TODO: Add function description
-
-Arguments:
-
- Time - GC_TODO: add argument description
- RegisterB - GC_TODO: add argument description
-
-Returns:
-
- GC_TODO: add return values
-
---*/
-;
-
-EFI_STATUS
-RtcWaitToUpdate (
- UINTN Timeout
- )
-/*++
-
-Routine Description:
-
- GC_TODO: Add function description
-
-Arguments:
-
- Timeout - GC_TODO: add argument description
-
-Returns:
-
- GC_TODO: add return values
-
---*/
-;
-
-UINT8
-RtcSaveContext (
- IN PC_RTC_MODULE_GLOBALS *Global
- )
-/*++
-
-Routine Description:
-
- GC_TODO: Add function description
-
-Arguments:
-
- Global - GC_TODO: add argument description
-
-Returns:
-
- GC_TODO: add return values
-
---*/
-;
-
-VOID
-RtcRestoreContext (
- IN UINT8 SavedAddressRegister,
- IN PC_RTC_MODULE_GLOBALS *Global
- )
-/*++
-
-Routine Description:
-
- GC_TODO: Add function description
-
-Arguments:
-
- SavedAddressRegister - GC_TODO: add argument description
- Global - GC_TODO: add argument description
-
-Returns:
-
- GC_TODO: add return values
-
---*/
-;
-
-BOOLEAN
-DayValid (
- IN EFI_TIME *Time
- );
-
-BOOLEAN
-IsLeapYear (
- IN EFI_TIME *Time
- );
-
-#endif
diff --git a/MdeModulePkg/Universal/PcatCompatible/RealTimeClockRuntimeDxe/RealTimeClockRuntimeDxe.inf b/MdeModulePkg/Universal/PcatCompatible/RealTimeClockRuntimeDxe/RealTimeClockRuntimeDxe.inf
deleted file mode 100644
index e9c0649e97..0000000000
--- a/MdeModulePkg/Universal/PcatCompatible/RealTimeClockRuntimeDxe/RealTimeClockRuntimeDxe.inf
+++ /dev/null
@@ -1,105 +0,0 @@
-#/** @file
-# PcRtc driver to install EFI_REAL_TIME_CLOCK_ARCH_PROTOCOL.
-#
-# This driver provides GetTime, SetTime, GetWakeupTime, SetWakeupTime services to Runtime Service Table.
-# Copyright (c) 2006 - 2007, Intel Corporation.
-#
-# All rights reserved.
-# This software and associated documentation (if any) is furnished
-# under a license and may only be used or copied in accordance
-# with the terms of the license. Except as permitted by such
-# license, no part of this software or documentation may be
-# reproduced, stored in a retrieval system, or transmitted in any
-# form or by any means without the express written consent of
-# Intel Corporation.
-#
-#
-#**/
-
-################################################################################
-#
-# Defines Section - statements that will be processed to create a Makefile.
-#
-################################################################################
-[Defines]
- INF_VERSION = 0x00010005
- BASE_NAME = PcRtc
- FILE_GUID = 378D7B65-8DA9-4773-B6E4-A47826A833E1
- MODULE_TYPE = DXE_RUNTIME_DRIVER
- VERSION_STRING = 1.0
- EDK_RELEASE_VERSION = 0x00020000
- EFI_SPECIFICATION_VERSION = 0x00020000
-
- ENTRY_POINT = InitializePcRtc
-
-#
-# The following information is for reference only and not required by the build tools.
-#
-# VALID_ARCHITECTURES = IA32 X64 EBC
-#
-
-################################################################################
-#
-# Sources Section - list of files that are required for the build to succeed.
-#
-################################################################################
-
-[Sources.common]
- Ia32/Ia32PcRtc.c
- PcRtc.c
- PcRtc.h
-
-
-################################################################################
-#
-# Package Dependency Section - list of Package files that are required for
-# this module.
-#
-################################################################################
-
-[Packages]
- MdePkg/MdePkg.dec
- IntelFrameworkPkg/IntelFrameworkPkg.dec
-
-
-################################################################################
-#
-# Library Class Section - list of Library Classes that are required for
-# this module.
-#
-################################################################################
-
-[LibraryClasses]
- UefiRuntimeServicesTableLib
- UefiRuntimeLib
- UefiBootServicesTableLib
- UefiDriverEntryPoint
- TimerLib
- IoLib
- BaseMemoryLib
- UefiLib
- DebugLib
- BaseLib
-
-
-################################################################################
-#
-# Protocol C Name Section - list of Protocol and Protocol Notify C Names
-# that this module uses or produces.
-#
-################################################################################
-
-[Protocols]
- gEfiRealTimeClockArchProtocolGuid # PROTOCOL ALWAYS_PRODUCED
-
-
-################################################################################
-#
-# Dependency Expression Section - list of Dependency expressions that are required for
-# this module.
-#
-################################################################################
-
-[Depex]
- gEfiCpuArchProtocolGuid AND gEfiMetronomeArchProtocolGuid
-
diff --git a/MdeModulePkg/Universal/PcatCompatible/RealTimeClockRuntimeDxe/RealTimeClockRuntimeDxe.msa b/MdeModulePkg/Universal/PcatCompatible/RealTimeClockRuntimeDxe/RealTimeClockRuntimeDxe.msa
deleted file mode 100644
index 9e911b8a03..0000000000
--- a/MdeModulePkg/Universal/PcatCompatible/RealTimeClockRuntimeDxe/RealTimeClockRuntimeDxe.msa
+++ /dev/null
@@ -1,79 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<ModuleSurfaceArea xsi:schemaLocation="http://www.TianoCore.org/2006/Edk2.0 http://www.TianoCore.org/2006/Edk2.0/SurfaceArea.xsd" xmlns="http://www.TianoCore.org/2006/Edk2.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
- <MsaHeader>
- <ModuleName>PcRtc</ModuleName>
- <ModuleType>DXE_RUNTIME_DRIVER</ModuleType>
- <GuidValue>378D7B65-8DA9-4773-B6E4-A47826A833E1</GuidValue>
- <Version>1.0</Version>
- <Abstract>PcRtc driver to install EFI_REAL_TIME_CLOCK_ARCH_PROTOCOL.</Abstract>
- <Description>This driver provides GetTime, SetTime, GetWakeupTime, SetWakeupTime services to Runtime Service Table.</Description>
- <Copyright>Copyright (c) 2006 - 2007, Intel Corporation.</Copyright>
- <License>All rights reserved.
- This software and associated documentation (if any) is furnished
- under a license and may only be used or copied in accordance
- with the terms of the license. Except as permitted by such
- license, no part of this software or documentation may be
- reproduced, stored in a retrieval system, or transmitted in any
- form or by any means without the express written consent of
- Intel Corporation.</License>
- <Specification>FRAMEWORK_BUILD_PACKAGING_SPECIFICATION 0x00000052</Specification>
- </MsaHeader>
- <ModuleDefinitions>
- <SupportedArchitectures>IA32 X64 EBC</SupportedArchitectures>
- <BinaryModule>false</BinaryModule>
- <OutputFileBasename>PcRtc</OutputFileBasename>
- </ModuleDefinitions>
- <LibraryClassDefinitions>
- <LibraryClass Usage="ALWAYS_CONSUMED">
- <Keyword>BaseLib</Keyword>
- </LibraryClass>
- <LibraryClass Usage="ALWAYS_CONSUMED">
- <Keyword>DebugLib</Keyword>
- </LibraryClass>
- <LibraryClass Usage="ALWAYS_CONSUMED">
- <Keyword>UefiLib</Keyword>
- </LibraryClass>
- <LibraryClass Usage="ALWAYS_CONSUMED">
- <Keyword>BaseMemoryLib</Keyword>
- </LibraryClass>
- <LibraryClass Usage="ALWAYS_CONSUMED">
- <Keyword>IoLib</Keyword>
- </LibraryClass>
- <LibraryClass Usage="ALWAYS_CONSUMED">
- <Keyword>TimerLib</Keyword>
- </LibraryClass>
- <LibraryClass Usage="ALWAYS_CONSUMED">
- <Keyword>UefiDriverEntryPoint</Keyword>
- </LibraryClass>
- <LibraryClass Usage="ALWAYS_CONSUMED">
- <Keyword>UefiBootServicesTableLib</Keyword>
- </LibraryClass>
- <LibraryClass Usage="ALWAYS_CONSUMED">
- <Keyword>UefiRuntimeLib</Keyword>
- </LibraryClass>
- <LibraryClass Usage="ALWAYS_CONSUMED">
- <Keyword>UefiRuntimeServicesTableLib</Keyword>
- </LibraryClass>
- </LibraryClassDefinitions>
- <SourceFiles>
- <Filename>PcRtc.h</Filename>
- <Filename>PcRtc.c</Filename>
- <Filename>Ia32PcRtc.dxs</Filename>
- <Filename>Ia32/Ia32PcRtc.c</Filename>
- </SourceFiles>
- <PackageDependencies>
- <Package PackageGuid="5e0e9358-46b6-4ae2-8218-4ab8b9bbdcec"/>
- </PackageDependencies>
- <Protocols>
- <Protocol Usage="ALWAYS_PRODUCED">
- <ProtocolCName>gEfiRealTimeClockArchProtocolGuid</ProtocolCName>
- </Protocol>
- </Protocols>
- <Externs>
- <Specification>EFI_SPECIFICATION_VERSION 0x00020000</Specification>
- <Specification>EDK_RELEASE_VERSION 0x00020000</Specification>
- <Extern>
- <ModuleEntryPoint>InitializePcRtc</ModuleEntryPoint>
- </Extern>
- </Externs>
-</ModuleSurfaceArea>
diff --git a/MdeModulePkg/Universal/VariablePei/Ipf/VariableWorker.c b/MdeModulePkg/Universal/VariablePei/Ipf/VariableWorker.c
deleted file mode 100644
index 0a4ee95774..0000000000
--- a/MdeModulePkg/Universal/VariablePei/Ipf/VariableWorker.c
+++ /dev/null
@@ -1,57 +0,0 @@
-/** @file
- Variable worker functions.
-
- Copyright (c) 2006, Intel Corporation<BR>
- All rights reserved. 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
- http://opensource.org/licenses/bsd-license.php
-
- THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
- WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-
-**/
-
-#include <Variable.h>
-
-
-/**
- Get one variable by the index count.
-
- @param IndexTable The pointer to variable index table.
- @param Count The index count of variable in index table.
-
- @return The pointer to variable header indexed by count.
-
-**/
-VARIABLE_HEADER *
-GetVariableByIndex (
- IN VARIABLE_INDEX_TABLE *IndexTable,
- IN UINT32 Count
- )
-{
- return (VARIABLE_HEADER *) (UINTN) ((((UINT32)IndexTable->Index[Count]) << 2) + ((UINT32)(UINTN)IndexTable->StartPtr & 0xFFFC0000) );
-}
-
-/**
- Record Variable in VariableIndex HOB.
-
- Record Variable in VariableIndex HOB and update the length of variable index table.
-
- @param IndexTable The pointer to variable index table.
- @param Variable The pointer to the variable that will be recorded.
-
- @retval VOID
-
-**/
-VOID
-VariableIndexTableUpdate (
- IN OUT VARIABLE_INDEX_TABLE *IndexTable,
- IN VARIABLE_HEADER *Variable
- )
-{
- IndexTable->Index[IndexTable->Length++] = (UINT16) (((UINT32)(UINTN) Variable) >> 2);
-
- return;
-}
-
diff --git a/MdeModulePkg/Universal/VariablePei/Variable.c b/MdeModulePkg/Universal/VariablePei/Variable.c
deleted file mode 100644
index ba8a23d67a..0000000000
--- a/MdeModulePkg/Universal/VariablePei/Variable.c
+++ /dev/null
@@ -1,522 +0,0 @@
-/*++
-
-Copyright (c) 2006 - 2007 Intel Corporation. <BR>
-All rights reserved. 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
-http://opensource.org/licenses/bsd-license.php
-
-THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-Module Name:
-
- Variable.c
-
-Abstract:
-
- Framework PEIM to provide the Variable functionality
-
---*/
-
-
-#include "Variable.h"
-
-//
-// Module globals
-//
-static EFI_PEI_READ_ONLY_VARIABLE2_PPI mVariablePpi = {
- PeiGetVariable,
- PeiGetNextVariableName
-};
-
-static EFI_PEI_PPI_DESCRIPTOR mPpiListVariable = {
- (EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST),
- &gEfiPeiReadOnlyVariable2PpiGuid,
- &mVariablePpi
-};
-
-EFI_GUID mEfiVariableIndexTableGuid = EFI_VARIABLE_INDEX_TABLE_GUID;
-
-EFI_STATUS
-EFIAPI
-PeimInitializeVariableServices (
- IN EFI_FFS_FILE_HEADER *FfsHeader,
- IN EFI_PEI_SERVICES **PeiServices
- )
-/*++
-
-Routine Description:
-
- Provide the functionality of the variable services.
-
-Arguments:
-
- FfsHeadher - The FFS file header
- PeiServices - General purpose services available to every PEIM.
-
-Returns:
-
- Status - EFI_SUCCESS if the interface could be successfully
- installed
-
---*/
-{
- //
- // Publish the variable capability to other modules
- //
- return (**PeiServices).InstallPpi (PeiServices, &mPpiListVariable);
-
-}
-
-STATIC
-VARIABLE_HEADER *
-GetNextVariablePtr (
- IN VARIABLE_HEADER *Variable
- )
-/*++
-
-Routine Description:
-
- This code checks if variable header is valid or not.
-
-Arguments:
- Variable Pointer to the Variable Header.
-
-Returns:
- TRUE Variable header is valid.
- FALSE Variable header is not valid.
-
---*/
-{
- return (VARIABLE_HEADER *) ((UINTN) GET_VARIABLE_DATA_PTR (Variable) + Variable->DataSize + GET_PAD_SIZE (Variable->DataSize));
-}
-
-STATIC
-BOOLEAN
-EFIAPI
-IsValidVariableHeader (
- IN VARIABLE_HEADER *Variable
- )
-/*++
-
-Routine Description:
-
- This code checks if variable header is valid or not.
-
-Arguments:
- Variable Pointer to the Variable Header.
-
-Returns:
- TRUE Variable header is valid.
- FALSE Variable header is not valid.
-
---*/
-{
- if (Variable == NULL ||
- Variable->StartId != VARIABLE_DATA ||
- (sizeof (VARIABLE_HEADER) + Variable->DataSize + Variable->NameSize) > MAX_VARIABLE_SIZE
- ) {
- return FALSE;
- }
-
- return TRUE;
-}
-
-STATIC
-VARIABLE_STORE_STATUS
-EFIAPI
-GetVariableStoreStatus (
- IN VARIABLE_STORE_HEADER *VarStoreHeader
- )
-/*++
-
-Routine Description:
-
- This code gets the pointer to the variable name.
-
-Arguments:
-
- VarStoreHeader Pointer to the Variable Store Header.
-
-Returns:
-
- EfiRaw Variable store is raw
- EfiValid Variable store is valid
- EfiInvalid Variable store is invalid
-
---*/
-{
- if (VarStoreHeader->Signature == VARIABLE_STORE_SIGNATURE &&
- VarStoreHeader->Format == VARIABLE_STORE_FORMATTED &&
- VarStoreHeader->State == VARIABLE_STORE_HEALTHY
- ) {
-
- return EfiValid;
- }
-
- if (VarStoreHeader->Signature == 0xffffffff &&
- VarStoreHeader->Size == 0xffffffff &&
- VarStoreHeader->Format == 0xff &&
- VarStoreHeader->State == 0xff
- ) {
-
- return EfiRaw;
- } else {
- return EfiInvalid;
- }
-}
-
-STATIC
-EFI_STATUS
-CompareWithValidVariable (
- IN VARIABLE_HEADER *Variable,
- IN CONST CHAR16 *VariableName,
- IN CONST EFI_GUID *VendorGuid,
- OUT VARIABLE_POINTER_TRACK *PtrTrack
- )
-/*++
-
-Routine Description:
-
- This function compares a variable with variable entries in database
-
-Arguments:
-
- Variable - Pointer to the variable in our database
- VariableName - Name of the variable to compare to 'Variable'
- VendorGuid - GUID of the variable to compare to 'Variable'
- PtrTrack - Variable Track Pointer structure that contains
- Variable Information.
-
-Returns:
-
- EFI_SUCCESS - Found match variable
- EFI_NOT_FOUND - Variable not found
-
---*/
-{
- if (VariableName[0] == 0) {
- PtrTrack->CurrPtr = Variable;
- return EFI_SUCCESS;
- } else {
- //
- // Don't use CompareGuid function here for performance reasons.
- // Instead we compare the GUID a UINT32 at a time and branch
- // on the first failed comparison.
- //
- if ((((INT32 *) VendorGuid)[0] == ((INT32 *) &Variable->VendorGuid)[0]) &&
- (((INT32 *) VendorGuid)[1] == ((INT32 *) &Variable->VendorGuid)[1]) &&
- (((INT32 *) VendorGuid)[2] == ((INT32 *) &Variable->VendorGuid)[2]) &&
- (((INT32 *) VendorGuid)[3] == ((INT32 *) &Variable->VendorGuid)[3])
- ) {
- if (!CompareMem (VariableName, GET_VARIABLE_NAME_PTR (Variable), Variable->NameSize)) {
- PtrTrack->CurrPtr = Variable;
- return EFI_SUCCESS;
- }
- }
- }
-
- return EFI_NOT_FOUND;
-}
-
-STATIC
-EFI_STATUS
-EFIAPI
-FindVariable (
- IN EFI_PEI_SERVICES **PeiServices,
- IN CONST CHAR16 *VariableName,
- IN CONST EFI_GUID *VendorGuid,
- OUT VARIABLE_POINTER_TRACK *PtrTrack
- )
-/*++
-
-Routine Description:
-
- This code finds variable in storage blocks (Non-Volatile)
-
-Arguments:
-
- PeiServices - General purpose services available to every PEIM.
- VariableName - Name of the variable to be found
- VendorGuid - Vendor GUID to be found.
- PtrTrack - Variable Track Pointer structure that contains
- Variable Information.
-
-Returns:
-
- EFI_SUCCESS - Variable found successfully
- EFI_NOT_FOUND - Variable not found
- EFI_INVALID_PARAMETER - Invalid variable name
-
---*/
-{
- EFI_HOB_GUID_TYPE *GuidHob;
- VARIABLE_STORE_HEADER *VariableStoreHeader;
- VARIABLE_HEADER *Variable;
- VARIABLE_HEADER *MaxIndex;
- VARIABLE_INDEX_TABLE *IndexTable;
- UINT32 Count;
- UINT8 *VariableBase;
-
- if (VariableName != 0 && VendorGuid == NULL) {
- return EFI_INVALID_PARAMETER;
- }
- //
- // No Variable Address equals zero, so 0 as initial value is safe.
- //
- MaxIndex = 0;
-
- GuidHob = GetFirstGuidHob (&mEfiVariableIndexTableGuid);
- if (GuidHob == NULL) {
- IndexTable = BuildGuidHob (&mEfiVariableIndexTableGuid, sizeof (VARIABLE_INDEX_TABLE));
- IndexTable->Length = 0;
- IndexTable->StartPtr = NULL;
- IndexTable->EndPtr = NULL;
- IndexTable->GoneThrough = 0;
- } else {
- IndexTable = GET_GUID_HOB_DATA (GuidHob);
- for (Count = 0; Count < IndexTable->Length; Count++)
- {
- MaxIndex = GetVariableByIndex (IndexTable, Count);
-
- if (CompareWithValidVariable (MaxIndex, VariableName, VendorGuid, PtrTrack) == EFI_SUCCESS) {
- PtrTrack->StartPtr = IndexTable->StartPtr;
- PtrTrack->EndPtr = IndexTable->EndPtr;
-
- return EFI_SUCCESS;
- }
- }
-
- if (IndexTable->GoneThrough) {
- return EFI_NOT_FOUND;
- }
- }
- //
- // If not found in HOB, then let's start from the MaxIndex we've found.
- //
- if (MaxIndex != NULL) {
- Variable = GetNextVariablePtr (MaxIndex);
- } else {
- if (IndexTable->StartPtr || IndexTable->EndPtr) {
- Variable = IndexTable->StartPtr;
- } else {
- VariableBase = (UINT8 *) (UINTN) PcdGet32 (PcdFlashNvStorageVariableBase);
- VariableStoreHeader = (VARIABLE_STORE_HEADER *) (VariableBase + \
- ((EFI_FIRMWARE_VOLUME_HEADER *) (VariableBase)) -> HeaderLength);
-
- if (GetVariableStoreStatus (VariableStoreHeader) != EfiValid) {
- return EFI_UNSUPPORTED;
- }
-
- if (~VariableStoreHeader->Size == 0) {
- return EFI_NOT_FOUND;
- }
- //
- // Find the variable by walk through non-volatile variable store
- //
- IndexTable->StartPtr = (VARIABLE_HEADER *) (VariableStoreHeader + 1);
- IndexTable->EndPtr = (VARIABLE_HEADER *) ((UINTN) VariableStoreHeader + VariableStoreHeader->Size);
-
- //
- // Start Pointers for the variable.
- // Actual Data Pointer where data can be written.
- //
- Variable = IndexTable->StartPtr;
- }
- }
- //
- // Find the variable by walk through non-volatile variable store
- //
- PtrTrack->StartPtr = IndexTable->StartPtr;
- PtrTrack->EndPtr = IndexTable->EndPtr;
-
- while (IsValidVariableHeader (Variable) && (Variable <= IndexTable->EndPtr)) {
- if (Variable->State == VAR_ADDED) {
- //
- // Record Variable in VariableIndex HOB
- //
- if (IndexTable->Length < VARIABLE_INDEX_TABLE_VOLUME)
- {
- VariableIndexTableUpdate (IndexTable, Variable);
- }
-
- if (CompareWithValidVariable (Variable, VariableName, VendorGuid, PtrTrack) == EFI_SUCCESS) {
- return EFI_SUCCESS;
- }
- }
-
- Variable = GetNextVariablePtr (Variable);
- }
- //
- // If gone through the VariableStore, that means we never find in Firmware any more.
- //
- if (IndexTable->Length < VARIABLE_INDEX_TABLE_VOLUME) {
- IndexTable->GoneThrough = 1;
- }
-
- PtrTrack->CurrPtr = NULL;
-
- return EFI_NOT_FOUND;
-}
-
-EFI_STATUS
-EFIAPI
-PeiGetVariable (
- IN CONST EFI_PEI_READ_ONLY_VARIABLE2_PPI *This,
- IN CONST CHAR16 *VariableName,
- IN CONST EFI_GUID *VariableGuid,
- OUT UINT32 *Attributes,
- IN OUT UINTN *DataSize,
- OUT VOID *Data
- )
-/*++
-
-Routine Description:
-
- Provide the read variable functionality of the variable services.
-
-Arguments:
-
- PeiServices - General purpose services available to every PEIM.
-
- VariableName - The variable name
-
- VendorGuid - The vendor's GUID
-
- Attributes - Pointer to the attribute
-
- DataSize - Size of data
-
- Data - Pointer to data
-
-Returns:
-
- EFI_SUCCESS - The interface could be successfully installed
-
- EFI_NOT_FOUND - The variable could not be discovered
-
- EFI_BUFFER_TOO_SMALL - The caller buffer is not large enough
-
---*/
-{
- VARIABLE_POINTER_TRACK Variable;
- UINTN VarDataSize;
- EFI_STATUS Status;
- EFI_PEI_SERVICES **PeiServices;
-
- PeiServices = GetPeiServicesTablePointer ();
- if (VariableName == NULL || VariableGuid == NULL) {
- return EFI_INVALID_PARAMETER;
- }
- //
- // Find existing variable
- //
- Status = FindVariable (PeiServices, VariableName, VariableGuid, &Variable);
- if (Variable.CurrPtr == NULL || Status != EFI_SUCCESS) {
- return Status;
- }
- //
- // Get data size
- //
- VarDataSize = Variable.CurrPtr->DataSize;
- if (*DataSize >= VarDataSize) {
- (*PeiServices)->CopyMem (Data, GET_VARIABLE_DATA_PTR (Variable.CurrPtr), VarDataSize);
-
- if (Attributes != NULL) {
- *Attributes = Variable.CurrPtr->Attributes;
- }
-
- *DataSize = VarDataSize;
- return EFI_SUCCESS;
- } else {
- *DataSize = VarDataSize;
- return EFI_BUFFER_TOO_SMALL;
- }
-}
-
-EFI_STATUS
-EFIAPI
-PeiGetNextVariableName (
- IN CONST EFI_PEI_READ_ONLY_VARIABLE2_PPI *This,
- IN OUT UINTN *VariableNameSize,
- IN OUT CHAR16 *VariableName,
- IN OUT EFI_GUID *VariableGuid
- )
-/*++
-
-Routine Description:
-
- Provide the get next variable functionality of the variable services.
-
-Arguments:
-
- PeiServices - General purpose services available to every PEIM.
- VariabvleNameSize - The variable name's size.
- VariableName - A pointer to the variable's name.
- VariableGuid - A pointer to the EFI_GUID structure.
-
- VariableNameSize - Size of the variable name
-
- VariableName - The variable name
-
- VendorGuid - The vendor's GUID
-
-Returns:
-
- EFI_SUCCESS - The interface could be successfully installed
-
- EFI_NOT_FOUND - The variable could not be discovered
-
---*/
-{
- VARIABLE_POINTER_TRACK Variable;
- UINTN VarNameSize;
- EFI_STATUS Status;
- EFI_PEI_SERVICES **PeiServices;
-
- PeiServices = GetPeiServicesTablePointer ();
- if (VariableName == NULL) {
- return EFI_INVALID_PARAMETER;
- }
-
- Status = FindVariable (PeiServices, VariableName, VariableGuid, &Variable);
- if (Variable.CurrPtr == NULL || Status != EFI_SUCCESS) {
- return Status;
- }
-
- if (VariableName[0] != 0) {
- //
- // If variable name is not NULL, get next variable
- //
- Variable.CurrPtr = GetNextVariablePtr (Variable.CurrPtr);
- }
-
- while (!(Variable.CurrPtr >= Variable.EndPtr || Variable.CurrPtr == NULL)) {
- if (IsValidVariableHeader (Variable.CurrPtr)) {
- if (Variable.CurrPtr->State == VAR_ADDED) {
- VarNameSize = (UINTN) Variable.CurrPtr->NameSize;
- if (VarNameSize <= *VariableNameSize) {
- (*PeiServices)->CopyMem (VariableName, GET_VARIABLE_NAME_PTR (Variable.CurrPtr), VarNameSize);
-
- (*PeiServices)->CopyMem (VariableGuid, &Variable.CurrPtr->VendorGuid, sizeof (EFI_GUID));
-
- Status = EFI_SUCCESS;
- } else {
- Status = EFI_BUFFER_TOO_SMALL;
- }
-
- *VariableNameSize = VarNameSize;
- return Status;
- //
- // Variable is found
- //
- } else {
- Variable.CurrPtr = GetNextVariablePtr (Variable.CurrPtr);
- }
- } else {
- break;
- }
- }
-
- return EFI_NOT_FOUND;
-}
diff --git a/MdeModulePkg/Universal/VariablePei/Variable.dxs b/MdeModulePkg/Universal/VariablePei/Variable.dxs
deleted file mode 100644
index 8c2255a446..0000000000
--- a/MdeModulePkg/Universal/VariablePei/Variable.dxs
+++ /dev/null
@@ -1,32 +0,0 @@
-/*++
-
-Copyright (c) 2006, Intel Corporation
-All rights reserved. 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
-http://opensource.org/licenses/bsd-license.php
-
-THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-
-Module Name:
-
- Variable.dxs
-
-Abstract:
-
- Dependency expression file for Variable PEIM.
-
---*/
-//
-// Include common header file for this module.
-//
-#include "CommonHeader.h"
-
-#include <PeimDepex.h>
-
-DEPENDENCY_START
- TRUE
-DEPENDENCY_END
-
-
diff --git a/MdeModulePkg/Universal/VariablePei/Variable.h b/MdeModulePkg/Universal/VariablePei/Variable.h
deleted file mode 100644
index 9747a8d426..0000000000
--- a/MdeModulePkg/Universal/VariablePei/Variable.h
+++ /dev/null
@@ -1,193 +0,0 @@
-/*++
-
-Copyright (c) 2006 - 2007, Intel Corporation
-All rights reserved. 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
-http://opensource.org/licenses/bsd-license.php
-
-THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-
-Module Name:
-
- Variable.h
-
-Abstract:
-
- Tiano PEIM to provide the variable functionality
-
---*/
-
-#ifndef _PEI_VARIABLE_H
-#define _PEI_VARIABLE_H
-
-#include <PiPei.h>
-#include <Ppi/ReadOnlyVariable2.h>
-#include <Library/DebugLib.h>
-#include <Library/PeimEntryPoint.h>
-#include <Library/HobLib.h>
-#include <Library/PcdLib.h>
-#include <Library/BaseMemoryLib.h>
-#include <Library/PeiServicesTablePointerLib.h>
-
-
-//
-// BugBug: We need relcate the head file.
-//
-#include <Common/Variable.h>
-
-//
-// Define GET_PAD_SIZE to optimize compiler
-//
-#if ((ALIGNMENT == 0) || (ALIGNMENT == 1))
-#define GET_PAD_SIZE(a) (0)
-#else
-#define GET_PAD_SIZE(a) (((~a) + 1) & (ALIGNMENT - 1))
-#endif
-
-#define GET_VARIABLE_NAME_PTR(a) (CHAR16 *) ((UINTN) (a) + sizeof (VARIABLE_HEADER))
-
-#define GET_VARIABLE_DATA_PTR(a) \
- (UINT8 *) ((UINTN) GET_VARIABLE_NAME_PTR (a) + (a)->NameSize + GET_PAD_SIZE ((a)->NameSize))
-
-typedef struct {
- VARIABLE_HEADER *CurrPtr;
- VARIABLE_HEADER *EndPtr;
- VARIABLE_HEADER *StartPtr;
-} VARIABLE_POINTER_TRACK;
-
-#define VARIABLE_INDEX_TABLE_VOLUME 122
-
-#define EFI_VARIABLE_INDEX_TABLE_GUID \
- { 0x8cfdb8c8, 0xd6b2, 0x40f3, { 0x8e, 0x97, 0x02, 0x30, 0x7c, 0xc9, 0x8b, 0x7c } }
-
-typedef struct {
- UINT16 Length;
- UINT16 GoneThrough;
- VARIABLE_HEADER *EndPtr;
- VARIABLE_HEADER *StartPtr;
- UINT16 Index[VARIABLE_INDEX_TABLE_VOLUME];
-} VARIABLE_INDEX_TABLE;
-
-
-//
-// Functions
-//
-EFI_STATUS
-EFIAPI
-PeimInitializeVariableServices (
- IN EFI_FFS_FILE_HEADER *FfsHeader,
- IN EFI_PEI_SERVICES **PeiServices
- )
-/*++
-
-Routine Description:
-
- TODO: Add function description
-
-Arguments:
-
- FfsHeader - TODO: add argument description
- PeiServices - TODO: add argument description
-
-Returns:
-
- TODO: add return values
-
---*/
-;
-
-EFI_STATUS
-EFIAPI
-PeiGetVariable (
- IN CONST EFI_PEI_READ_ONLY_VARIABLE2_PPI *This,
- IN CONST CHAR16 *VariableName,
- IN CONST EFI_GUID *VariableGuid,
- OUT UINT32 *Attributes,
- IN OUT UINTN *DataSize,
- OUT VOID *Data
- )
-/*++
-
-Routine Description:
-
- TODO: Add function description
-
-Arguments:
-
- PeiServices - TODO: add argument description
- VariableName - TODO: add argument description
- VendorGuid - TODO: add argument description
- Attributes - TODO: add argument description
- DataSize - TODO: add argument description
- Data - TODO: add argument description
-
-Returns:
-
- TODO: add return values
-
---*/
-;
-
-EFI_STATUS
-EFIAPI
-PeiGetNextVariableName (
- IN CONST EFI_PEI_READ_ONLY_VARIABLE2_PPI *This,
- IN OUT UINTN *VariableNameSize,
- IN OUT CHAR16 *VariableName,
- IN OUT EFI_GUID *VariableGuid
- )
-/*++
-
-Routine Description:
-
- TODO: Add function description
-
-Arguments:
-
- PeiServices - TODO: add argument description
- VariableNameSize - TODO: add argument description
- VariableName - TODO: add argument description
- VendorGuid - TODO: add argument description
-
-Returns:
-
- TODO: add return values
-
---*/
-;
-
-/**
- Get one variable by the index count.
-
- @param IndexTable The pointer to variable index table.
- @param Count The index count of variable in index table.
-
- @return The pointer to variable header indexed by count.
-
-**/
-VARIABLE_HEADER *
-GetVariableByIndex (
- IN VARIABLE_INDEX_TABLE *IndexTable,
- IN UINT32 Count
- );
-
-/**
- Record Variable in VariableIndex HOB.
-
- Record Variable in VariableIndex HOB and update the length of variable index table.
-
- @param IndexTable The pointer to variable index table.
- @param Variable The pointer to the variable that will be recorded.
-
- @retval VOID
-
-**/
-VOID
-VariableIndexTableUpdate (
- IN OUT VARIABLE_INDEX_TABLE *IndexTable,
- IN VARIABLE_HEADER *Variable
- );
-
-#endif // _PEI_VARIABLE_H
diff --git a/MdeModulePkg/Universal/VariablePei/Variable.msa b/MdeModulePkg/Universal/VariablePei/Variable.msa
deleted file mode 100644
index 565ae31a13..0000000000
--- a/MdeModulePkg/Universal/VariablePei/Variable.msa
+++ /dev/null
@@ -1,76 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<ModuleSurfaceArea xmlns="http://www.TianoCore.org/2006/Edk2.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
- <MsaHeader>
- <ModuleName>PeiVariable</ModuleName>
- <ModuleType>PEIM</ModuleType>
- <GuidValue>34C8C28F-B61C-45a2-8F2E-89E46BECC63B</GuidValue>
- <Version>1.0</Version>
- <Abstract>Component description file for PeiVariable module.</Abstract>
- <Description>Framework PEIM to provide the Variable functionality.</Description>
- <Copyright>Copyright (c) 2006 - 2007, Intel Corporation</Copyright>
- <License>All rights reserved. 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
- http://opensource.org/licenses/bsd-license.php
- THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
- WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.</License>
- <Specification>FRAMEWORK_BUILD_PACKAGING_SPECIFICATION 0x00000052</Specification>
- </MsaHeader>
- <ModuleDefinitions>
- <SupportedArchitectures>IA32 X64 IPF EBC</SupportedArchitectures>
- <BinaryModule>false</BinaryModule>
- <OutputFileBasename>PeiVariable</OutputFileBasename>
- </ModuleDefinitions>
- <LibraryClassDefinitions>
- <LibraryClass Usage="ALWAYS_CONSUMED">
- <Keyword>DebugLib</Keyword>
- </LibraryClass>
- <LibraryClass Usage="ALWAYS_CONSUMED">
- <Keyword>PeimEntryPoint</Keyword>
- </LibraryClass>
- <LibraryClass Usage="ALWAYS_CONSUMED">
- <Keyword>HobLib</Keyword>
- </LibraryClass>
- <LibraryClass Usage="ALWAYS_CONSUMED">
- <Keyword>PcdLib</Keyword>
- </LibraryClass>
- <LibraryClass Usage="ALWAYS_CONSUMED">
- <Keyword>BaseMemoryLib</Keyword>
- </LibraryClass>
- </LibraryClassDefinitions>
- <SourceFiles>
- <Filename>Variable.h</Filename>
- <Filename>Variable.c</Filename>
- <Filename>Variable.dxs</Filename>
- <Filename SupArchList="IA32 X64 EBC">VariableWorker.c</Filename>
- <Filename SupArchList="IPF">Ipf/VariableWorker.c</Filename>
- <Filename SupArchList="IA32">Ia32/VarMachine.h</Filename>
- <Filename SupArchList="EBC">Ebc/VarMachine.h</Filename>
- <Filename SupArchList="X64">x64/VarMachine.h</Filename>
- <Filename SupArchList="IPF">Ipf/VarMachine.h</Filename>
- </SourceFiles>
- <PackageDependencies>
- <Package PackageGuid="5e0e9358-46b6-4ae2-8218-4ab8b9bbdcec"/>
- <Package PackageGuid="68169ab0-d41b-4009-9060-292c253ac43d"/>
- </PackageDependencies>
- <PPIs>
- <Ppi Usage="ALWAYS_CONSUMED">
- <PpiCName>gEfiPeiReadOnlyVariablePpiGuid</PpiCName>
- </Ppi>
- </PPIs>
- <Externs>
- <Specification>EFI_SPECIFICATION_VERSION 0x00020000</Specification>
- <Specification>EDK_RELEASE_VERSION 0x00020000</Specification>
- <Extern>
- <ModuleEntryPoint>PeimInitializeVariableServices</ModuleEntryPoint>
- </Extern>
- </Externs>
- <PcdCoded>
- <PcdEntry PcdItemType="DYNAMIC">
- <C_Name>PcdFlashNvStorageVariableBase</C_Name>
- <TokenSpaceGuidCName>gEfiGenericPlatformTokenSpaceGuid</TokenSpaceGuidCName>
- <HelpText>The driver gets the Variable store base address from this PCD. This base address point to
- an EFI_FIRMWARE_VOLUMN_HEADER struct.</HelpText>
- </PcdEntry>
- </PcdCoded>
-</ModuleSurfaceArea> \ No newline at end of file
diff --git a/MdeModulePkg/Universal/VariablePei/VariablePei.inf b/MdeModulePkg/Universal/VariablePei/VariablePei.inf
deleted file mode 100644
index 72a6b796fe..0000000000
--- a/MdeModulePkg/Universal/VariablePei/VariablePei.inf
+++ /dev/null
@@ -1,69 +0,0 @@
-#/** @file
-# Component description file for PeiVariable module.
-#
-# Framework PEIM to provide the Variable functionality.
-# Copyright (c) 2006 - 2007, Intel Corporation
-#
-# All rights reserved. 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
-# http://opensource.org/licenses/bsd-license.php
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-#
-#**/
-
-[Defines]
- INF_VERSION = 0x00010005
- BASE_NAME = PeiVariable
- FILE_GUID = 34C8C28F-B61C-45a2-8F2E-89E46BECC63B
- MODULE_TYPE = PEIM
- VERSION_STRING = 1.0
- EDK_RELEASE_VERSION = 0x00020000
- EFI_SPECIFICATION_VERSION = 0x00020000
-
- ENTRY_POINT = PeimInitializeVariableServices
-
-#
-# The following information is for reference only and not required by the build tools.
-#
-# VALID_ARCHITECTURES = IA32 X64 IPF EBC
-#
-
-[Sources.common]
- Variable.c
- Variable.h
-
-[Sources.Ia32]
- VariableWorker.c
-
-[Sources.X64]
- VariableWorker.c
-
-[Sources.IPF]
- Ipf/VariableWorker.c
-
-[Sources.EBC]
- VariableWorker.c
-
-[Packages]
- MdePkg/MdePkg.dec
- MdeModulePkg/MdeModulePkg.dec
-
-[LibraryClasses]
- BaseMemoryLib
- PcdLib
- HobLib
- PeimEntryPoint
- DebugLib
- PeiServiceTablePointerLib
-
-[Ppis]
- gEfiPeiReadOnlyVariable2PpiGuid # PPI ALWAYS_CONSUMED
-
-[PcdsDynamic.common]
- PcdFlashNvStorageVariableBase|gEfiMdeModulePkgTokenSpaceGuid
-
-[Depex]
- TRUE
diff --git a/MdeModulePkg/Universal/VariablePei/VariableWorker.c b/MdeModulePkg/Universal/VariablePei/VariableWorker.c
deleted file mode 100644
index 1a49ee8c98..0000000000
--- a/MdeModulePkg/Universal/VariablePei/VariableWorker.c
+++ /dev/null
@@ -1,63 +0,0 @@
-/*++
-
-Copyright (c) 2007, Intel Corporation
-All rights reserved. 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
-http://opensource.org/licenses/bsd-license.php
-
-THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-
-Module Name:
-
- VariableWorker.c
-
-Abstract:
-
- Framework PEIM to provide the Variable functionality
-
---*/
-
-#include <Variable.h>
-
-/**
- Get one variable by the index count.
-
- @param IndexTable The pointer to variable index table.
- @param Count The index count of variable in index table.
-
- @return The pointer to variable header indexed by count.
-
-**/
-VARIABLE_HEADER *
-GetVariableByIndex (
- IN VARIABLE_INDEX_TABLE *IndexTable,
- IN UINT32 Count
- )
-{
- return (VARIABLE_HEADER *) (UINTN) (IndexTable->Index[Count] + ((UINTN) IndexTable->StartPtr & 0xFFFF0000));
-}
-
-/**
- Record Variable in VariableIndex HOB.
-
- Record Variable in VariableIndex HOB and update the length of variable index table.
-
- @param IndexTable The pointer to variable index table.
- @param Variable The pointer to the variable that will be recorded.
-
- @retval VOID
-
-**/
-VOID
-VariableIndexTableUpdate (
- IN OUT VARIABLE_INDEX_TABLE *IndexTable,
- IN VARIABLE_HEADER *Variable
- )
-{
- IndexTable->Index[IndexTable->Length++] = (UINT16) (UINTN) Variable;
-
- return;
-}
-
diff --git a/MdeModulePkg/Universal/VariableRuntimeDxe/InitVariable.c b/MdeModulePkg/Universal/VariableRuntimeDxe/InitVariable.c
deleted file mode 100644
index 59403e91e7..0000000000
--- a/MdeModulePkg/Universal/VariableRuntimeDxe/InitVariable.c
+++ /dev/null
@@ -1,229 +0,0 @@
-/*++
-
-Copyright (c) 2006 - 2007, Intel Corporation
-All rights reserved. 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
-http://opensource.org/licenses/bsd-license.php
-
-THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-
-Module Name:
-
- InitVariable.c
-
-Abstract:
-
-Revision History
-
---*/
-
-#include "Variable.h"
-
-//
-// Event for Exit Boot Services Callback
-//
-STATIC EFI_EVENT mExitBootServicesEvent = NULL;
-
-
-//
-// Don't use module globals after the SetVirtualAddress map is signaled
-//
-extern ESAL_VARIABLE_GLOBAL *mVariableModuleGlobal;
-
-EFI_STATUS
-EFIAPI
-RuntimeServiceGetVariable (
- IN CHAR16 *VariableName,
- IN EFI_GUID * VendorGuid,
- OUT UINT32 *Attributes OPTIONAL,
- IN OUT UINTN *DataSize,
- OUT VOID *Data
- )
-/*++
-
-Routine Description:
-
-Arguments:
-
-Returns:
-
---*/
-{
- return GetVariable (
- VariableName,
- VendorGuid,
- Attributes OPTIONAL,
- DataSize,
- Data,
- &mVariableModuleGlobal->VariableGlobal[Physical],
- mVariableModuleGlobal->FvbInstance
- );
-}
-
-EFI_STATUS
-EFIAPI
-RuntimeServiceGetNextVariableName (
- IN OUT UINTN *VariableNameSize,
- IN OUT CHAR16 *VariableName,
- IN OUT EFI_GUID *VendorGuid
- )
-/*++
-
-Routine Description:
-
-Arguments:
-
-Returns:
-
---*/
-{
- return GetNextVariableName (
- VariableNameSize,
- VariableName,
- VendorGuid,
- &mVariableModuleGlobal->VariableGlobal[Physical],
- mVariableModuleGlobal->FvbInstance
- );
-}
-
-EFI_STATUS
-EFIAPI
-RuntimeServiceSetVariable (
- IN CHAR16 *VariableName,
- IN EFI_GUID *VendorGuid,
- IN UINT32 Attributes,
- IN UINTN DataSize,
- IN VOID *Data
- )
-/*++
-
-Routine Description:
-
-Arguments:
-
-Returns:
-
---*/
-{
- return SetVariable (
- VariableName,
- VendorGuid,
- Attributes,
- DataSize,
- Data,
- &mVariableModuleGlobal->VariableGlobal[Physical],
- &mVariableModuleGlobal->VolatileLastVariableOffset,
- &mVariableModuleGlobal->NonVolatileLastVariableOffset,
- mVariableModuleGlobal->FvbInstance
- );
-}
-
-EFI_STATUS
-EFIAPI
-RuntimeServiceQueryVariableInfo (
- IN UINT32 Attributes,
- OUT UINT64 *MaximumVariableStorageSize,
- OUT UINT64 *RemainingVariableStorageSize,
- OUT UINT64 *MaximumVariableSize
- )
-/*++
-
-Routine Description:
-
-Arguments:
-
-Returns:
-
---*/
-{
- return QueryVariableInfo (
- Attributes,
- MaximumVariableStorageSize,
- RemainingVariableStorageSize,
- MaximumVariableSize,
- &mVariableModuleGlobal->VariableGlobal[Physical],
- mVariableModuleGlobal->FvbInstance
- );
-}
-
-VOID
-EFIAPI
-VariableClassAddressChangeEvent (
- IN EFI_EVENT Event,
- IN VOID *Context
- )
-/*++
-
-Routine Description:
-
-Arguments:
-
-Returns:
-
---*/
-{
- EfiConvertPointer (
- 0x0,
- (VOID **) &mVariableModuleGlobal->VariableGlobal[Physical].NonVolatileVariableBase
- );
- EfiConvertPointer (
- 0x0,
- (VOID **) &mVariableModuleGlobal->VariableGlobal[Physical].VolatileVariableBase
- );
- EfiConvertPointer (0x0, (VOID **) &mVariableModuleGlobal);
-}
-
-EFI_STATUS
-EFIAPI
-VariableServiceInitialize (
- IN EFI_HANDLE ImageHandle,
- IN EFI_SYSTEM_TABLE *SystemTable
- )
-/*++
-
-Routine Description:
-
-Arguments:
-
-Returns:
-
---*/
-{
- EFI_HANDLE NewHandle;
- EFI_STATUS Status;
-
- Status = VariableCommonInitialize (ImageHandle, SystemTable);
- ASSERT_EFI_ERROR (Status);
-
- SystemTable->RuntimeServices->GetVariable = RuntimeServiceGetVariable;
- SystemTable->RuntimeServices->GetNextVariableName = RuntimeServiceGetNextVariableName;
- SystemTable->RuntimeServices->SetVariable = RuntimeServiceSetVariable;
- SystemTable->RuntimeServices->QueryVariableInfo = RuntimeServiceQueryVariableInfo;
-
- //
- // Now install the Variable Runtime Architectural Protocol on a new handle
- //
- NewHandle = NULL;
- Status = gBS->InstallMultipleProtocolInterfaces (
- &NewHandle,
- &gEfiVariableArchProtocolGuid,
- NULL,
- &gEfiVariableWriteArchProtocolGuid,
- NULL,
- NULL
- );
- ASSERT_EFI_ERROR (Status);
-
- Status = gBS->CreateEvent (
- EVT_SIGNAL_EXIT_BOOT_SERVICES,
- TPL_NOTIFY,
- VariableClassAddressChangeEvent,
- NULL,
- &mExitBootServicesEvent
- );
- ASSERT_EFI_ERROR (Status);
-
- return EFI_SUCCESS;
-}
diff --git a/MdeModulePkg/Universal/VariableRuntimeDxe/Variable.c b/MdeModulePkg/Universal/VariableRuntimeDxe/Variable.c
deleted file mode 100644
index 784a1987a8..0000000000
--- a/MdeModulePkg/Universal/VariableRuntimeDxe/Variable.c
+++ /dev/null
@@ -1,1477 +0,0 @@
-/*++
-
-Copyright (c) 2006 - 2007, Intel Corporation
-All rights reserved. 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
-http://opensource.org/licenses/bsd-license.php
-
-THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-
-Module Name:
-
- Variable.c
-
-Abstract:
-
-Revision History
-
---*/
-
-
-#include "Variable.h"
-#include <Common/FlashMap.h>
-
-//
-// Don't use module globals after the SetVirtualAddress map is signaled
-//
-ESAL_VARIABLE_GLOBAL *mVariableModuleGlobal;
-
-//
-// This is a temperary function which will be removed
-// when EfiAcquireLock in UefiLib can handle the
-// the call in UEFI Runtimer driver in RT phase.
-//
-STATIC
-VOID
-AcquireLockOnlyAtBootTime (
- IN EFI_LOCK *Lock
- )
-{
- if (!EfiAtRuntime ()) {
- EfiAcquireLock (Lock);
- }
-}
-
-//
-// This is a temperary function which will be removed
-// when EfiAcquireLock in UefiLib can handle the
-// the call in UEFI Runtimer driver in RT phase.
-//
-STATIC
-VOID
-ReleaseLockOnlyAtBootTime (
- IN EFI_LOCK *Lock
- )
-{
- if (!EfiAtRuntime ()) {
- EfiReleaseLock (Lock);
- }
-}
-
-STATIC
-BOOLEAN
-EFIAPI
-IsValidVariableHeader (
- IN VARIABLE_HEADER *Variable
- )
-/*++
-
-Routine Description:
-
- This code checks if variable header is valid or not.
-
-Arguments:
- Variable Pointer to the Variable Header.
-
-Returns:
- TRUE Variable header is valid.
- FALSE Variable header is not valid.
-
---*/
-{
- if (Variable == NULL ||
- Variable->StartId != VARIABLE_DATA ||
- (sizeof (VARIABLE_HEADER) + Variable->NameSize + Variable->DataSize) > MAX_VARIABLE_SIZE
- ) {
- return FALSE;
- }
-
- return TRUE;
-}
-
-STATIC
-EFI_STATUS
-EFIAPI
-UpdateVariableStore (
- IN VARIABLE_GLOBAL *Global,
- IN BOOLEAN Volatile,
- IN BOOLEAN SetByIndex,
- IN UINTN Instance,
- IN UINTN DataPtrIndex,
- IN UINT32 DataSize,
- IN UINT8 *Buffer
- )
-/*++
-
-Routine Description:
-
- This function writes data to the FWH at the correct LBA even if the LBAs
- are fragmented.
-
-Arguments:
-
- Global Pointer to VARAIBLE_GLOBAL structure
- Volatile If the Variable is Volatile or Non-Volatile
- SetByIndex TRUE: Target pointer is given as index
- FALSE: Target pointer is absolute
- Instance Instance of FV Block services
- DataPtrIndex Pointer to the Data from the end of VARIABLE_STORE_HEADER
- structure
- DataSize Size of data to be written.
- Buffer Pointer to the buffer from which data is written
-
-Returns:
-
- EFI STATUS
-
---*/
-{
- EFI_FV_BLOCK_MAP_ENTRY *PtrBlockMapEntry;
- UINTN BlockIndex2;
- UINTN LinearOffset;
- UINTN CurrWriteSize;
- UINTN CurrWritePtr;
- UINT8 *CurrBuffer;
- EFI_LBA LbaNumber;
- UINTN Size;
- EFI_FIRMWARE_VOLUME_HEADER *FwVolHeader;
- VARIABLE_STORE_HEADER *VolatileBase;
- EFI_PHYSICAL_ADDRESS FvVolHdr;
- EFI_PHYSICAL_ADDRESS DataPtr;
- EFI_STATUS Status;
-
- FwVolHeader = NULL;
- DataPtr = DataPtrIndex;
-
- //
- // Check if the Data is Volatile
- //
- if (!Volatile) {
- EfiFvbGetPhysicalAddress (Instance, &FvVolHdr);
- FwVolHeader = (EFI_FIRMWARE_VOLUME_HEADER *) ((UINTN) FvVolHdr);
- //
- // Data Pointer should point to the actual Address where data is to be
- // written
- //
- if (SetByIndex) {
- DataPtr += Global->NonVolatileVariableBase;
- }
-
- if ((DataPtr + DataSize) >= ((EFI_PHYSICAL_ADDRESS) (UINTN) ((UINT8 *) FwVolHeader + FwVolHeader->FvLength))) {
- return EFI_INVALID_PARAMETER;
- }
- } else {
- //
- // Data Pointer should point to the actual Address where data is to be
- // written
- //
- VolatileBase = (VARIABLE_STORE_HEADER *) ((UINTN) Global->VolatileVariableBase);
- if (SetByIndex) {
- DataPtr += Global->VolatileVariableBase;
- }
-
- if ((DataPtr + DataSize) >= ((UINTN) ((UINT8 *) VolatileBase + VolatileBase->Size))) {
- return EFI_INVALID_PARAMETER;
- }
- }
- //
- // If Volatile Variable just do a simple mem copy.
- //
- if (Volatile) {
- CopyMem ((UINT8 *) ((UINTN) DataPtr), Buffer, DataSize);
- return EFI_SUCCESS;
- }
- //
- // If we are here we are dealing with Non-Volatile Variables
- //
- LinearOffset = (UINTN) FwVolHeader;
- CurrWritePtr = (UINTN) DataPtr;
- CurrWriteSize = DataSize;
- CurrBuffer = Buffer;
- LbaNumber = 0;
-
- if (CurrWritePtr < LinearOffset) {
- return EFI_INVALID_PARAMETER;
- }
-
- for (PtrBlockMapEntry = FwVolHeader->BlockMap; PtrBlockMapEntry->NumBlocks != 0; PtrBlockMapEntry++) {
- for (BlockIndex2 = 0; BlockIndex2 < PtrBlockMapEntry->NumBlocks; BlockIndex2++) {
- //
- // Check to see if the Variable Writes are spanning through multiple
- // blocks.
- //
- if ((CurrWritePtr >= LinearOffset) && (CurrWritePtr < LinearOffset + PtrBlockMapEntry->Length)) {
- if ((CurrWritePtr + CurrWriteSize) <= (LinearOffset + PtrBlockMapEntry->Length)) {
- Status = EfiFvbWriteBlock (
- Instance,
- LbaNumber,
- (UINTN) (CurrWritePtr - LinearOffset),
- &CurrWriteSize,
- CurrBuffer
- );
- if (EFI_ERROR (Status)) {
- return Status;
- }
- } else {
- Size = (UINT32) (LinearOffset + PtrBlockMapEntry->Length - CurrWritePtr);
- Status = EfiFvbWriteBlock (
- Instance,
- LbaNumber,
- (UINTN) (CurrWritePtr - LinearOffset),
- &Size,
- CurrBuffer
- );
- if (EFI_ERROR (Status)) {
- return Status;
- }
-
- CurrWritePtr = LinearOffset + PtrBlockMapEntry->Length;
- CurrBuffer = CurrBuffer + Size;
- CurrWriteSize = CurrWriteSize - Size;
- }
- }
-
- LinearOffset += PtrBlockMapEntry->Length;
- LbaNumber++;
- }
- }
-
- return EFI_SUCCESS;
-}
-
-STATIC
-VARIABLE_STORE_STATUS
-EFIAPI
-GetVariableStoreStatus (
- IN VARIABLE_STORE_HEADER *VarStoreHeader
- )
-/*++
-
-Routine Description:
-
- This code gets the current status of Variable Store.
-
-Arguments:
-
- VarStoreHeader Pointer to the Variable Store Header.
-
-Returns:
-
- EfiRaw Variable store status is raw
- EfiValid Variable store status is valid
- EfiInvalid Variable store status is invalid
-
---*/
-{
- if (VarStoreHeader->Signature == VARIABLE_STORE_SIGNATURE &&
- VarStoreHeader->Format == VARIABLE_STORE_FORMATTED &&
- VarStoreHeader->State == VARIABLE_STORE_HEALTHY
- ) {
-
- return EfiValid;
- } else if (VarStoreHeader->Signature == 0xffffffff &&
- VarStoreHeader->Size == 0xffffffff &&
- VarStoreHeader->Format == 0xff &&
- VarStoreHeader->State == 0xff
- ) {
-
- return EfiRaw;
- } else {
- return EfiInvalid;
- }
-}
-
-STATIC
-UINT8 *
-EFIAPI
-GetVariableDataPtr (
- IN VARIABLE_HEADER *Variable
- )
-/*++
-
-Routine Description:
-
- This code gets the pointer to the variable data.
-
-Arguments:
-
- Variable Pointer to the Variable Header.
-
-Returns:
-
- UINT8* Pointer to Variable Data
-
---*/
-{
- //
- // Be careful about pad size for alignment
- //
- return (UINT8 *) ((UINTN) GET_VARIABLE_NAME_PTR (Variable) + Variable->NameSize + GET_PAD_SIZE (Variable->NameSize));
-}
-
-STATIC
-VARIABLE_HEADER *
-EFIAPI
-GetNextVariablePtr (
- IN VARIABLE_HEADER *Variable
- )
-/*++
-
-Routine Description:
-
- This code gets the pointer to the next variable header.
-
-Arguments:
-
- Variable Pointer to the Variable Header.
-
-Returns:
-
- VARIABLE_HEADER* Pointer to next variable header.
-
---*/
-{
- if (!IsValidVariableHeader (Variable)) {
- return NULL;
- }
- //
- // Be careful about pad size for alignment
- //
- return (VARIABLE_HEADER *) ((UINTN) GetVariableDataPtr (Variable) + Variable->DataSize + GET_PAD_SIZE (Variable->DataSize));
-}
-
-STATIC
-VARIABLE_HEADER *
-EFIAPI
-GetEndPointer (
- IN VARIABLE_STORE_HEADER *VarStoreHeader
- )
-/*++
-
-Routine Description:
-
- This code gets the pointer to the last variable memory pointer byte
-
-Arguments:
-
- VarStoreHeader Pointer to the Variable Store Header.
-
-Returns:
-
- VARIABLE_HEADER* Pointer to last unavailable Variable Header
-
---*/
-{
- //
- // The end of variable store
- //
- return (VARIABLE_HEADER *) ((UINTN) VarStoreHeader + VarStoreHeader->Size);
-}
-
-STATIC
-EFI_STATUS
-EFIAPI
-Reclaim (
- IN EFI_PHYSICAL_ADDRESS VariableBase,
- OUT UINTN *LastVariableOffset,
- IN BOOLEAN IsVolatile
- )
-/*++
-
-Routine Description:
-
- Variable store garbage collection and reclaim operation
-
-Arguments:
-
- VariableBase Base address of variable store
- LastVariableOffset Offset of last variable
- IsVolatile The variable store is volatile or not,
- if it is non-volatile, need FTW
-
-Returns:
-
- EFI STATUS
-
---*/
-{
- VARIABLE_HEADER *Variable;
- VARIABLE_HEADER *NextVariable;
- VARIABLE_STORE_HEADER *VariableStoreHeader;
- UINT8 *ValidBuffer;
- UINTN ValidBufferSize;
- UINTN VariableSize;
- UINT8 *CurrPtr;
- EFI_STATUS Status;
-
- VariableStoreHeader = (VARIABLE_STORE_HEADER *) ((UINTN) VariableBase);
-
- //
- // Start Pointers for the variable.
- //
- Variable = (VARIABLE_HEADER *) (VariableStoreHeader + 1);
-
- ValidBufferSize = sizeof (VARIABLE_STORE_HEADER);
-
- while (IsValidVariableHeader (Variable)) {
- NextVariable = GetNextVariablePtr (Variable);
- if (Variable->State == VAR_ADDED) {
- VariableSize = (UINTN) NextVariable - (UINTN) Variable;
- ValidBufferSize += VariableSize;
- }
-
- Variable = NextVariable;
- }
-
- ValidBuffer = AllocatePool (ValidBufferSize);
- if (ValidBuffer == NULL) {
- return EFI_OUT_OF_RESOURCES;
- }
-
- SetMem (ValidBuffer, ValidBufferSize, 0xff);
-
- CurrPtr = ValidBuffer;
-
- //
- // Copy variable store header
- //
- CopyMem (CurrPtr, VariableStoreHeader, sizeof (VARIABLE_STORE_HEADER));
- CurrPtr += sizeof (VARIABLE_STORE_HEADER);
-
- //
- // Start Pointers for the variable.
- //
- Variable = (VARIABLE_HEADER *) (VariableStoreHeader + 1);
-
- while (IsValidVariableHeader (Variable)) {
- NextVariable = GetNextVariablePtr (Variable);
- if (Variable->State == VAR_ADDED) {
- VariableSize = (UINTN) NextVariable - (UINTN) Variable;
- CopyMem (CurrPtr, (UINT8 *) Variable, VariableSize);
- CurrPtr += VariableSize;
- }
-
- Variable = NextVariable;
- }
-
- if (IsVolatile) {
- //
- // If volatile variable store, just copy valid buffer
- //
- SetMem ((UINT8 *) (UINTN) VariableBase, VariableStoreHeader->Size, 0xff);
- CopyMem ((UINT8 *) (UINTN) VariableBase, ValidBuffer, ValidBufferSize);
- *LastVariableOffset = ValidBufferSize;
- Status = EFI_SUCCESS;
- } else {
- //
- // If non-volatile variable store, perform FTW here.
- //
- Status = FtwVariableSpace (
- VariableBase,
- ValidBuffer,
- ValidBufferSize
- );
- if (!EFI_ERROR (Status)) {
- *LastVariableOffset = ValidBufferSize;
- }
- }
-
- FreePool (ValidBuffer);
-
- if (EFI_ERROR (Status)) {
- *LastVariableOffset = 0;
- }
-
- return Status;
-}
-
-STATIC
-EFI_STATUS
-EFIAPI
-FindVariable (
- IN CHAR16 *VariableName,
- IN EFI_GUID *VendorGuid,
- OUT VARIABLE_POINTER_TRACK *PtrTrack,
- IN VARIABLE_GLOBAL *Global
- )
-/*++
-
-Routine Description:
-
- This code finds variable in storage blocks (Volatile or Non-Volatile)
-
-Arguments:
-
- VariableName Name of the variable to be found
- VendorGuid Vendor GUID to be found.
- PtrTrack Variable Track Pointer structure that contains
- Variable Information.
- Contains the pointer of Variable header.
- Global VARIABLE_GLOBAL pointer
-
-Returns:
-
- EFI STATUS
-
---*/
-{
- VARIABLE_HEADER *Variable[2];
- VARIABLE_STORE_HEADER *VariableStoreHeader[2];
- UINTN Index;
-
- //
- // We aquire the lock at the entry of FindVariable as GetVariable, GetNextVariableName
- // SetVariable all call FindVariable at entry point. Please move "Aquire Lock" to
- // the correct places if this assumption does not hold TRUE anymore.
- //
- AcquireLockOnlyAtBootTime(&Global->VariableServicesLock);
-
- //
- // 0: Non-Volatile, 1: Volatile
- //
- VariableStoreHeader[0] = (VARIABLE_STORE_HEADER *) ((UINTN) Global->NonVolatileVariableBase);
- VariableStoreHeader[1] = (VARIABLE_STORE_HEADER *) ((UINTN) Global->VolatileVariableBase);
-
- //
- // Start Pointers for the variable.
- // Actual Data Pointer where data can be written.
- //
- Variable[0] = (VARIABLE_HEADER *) (VariableStoreHeader[0] + 1);
- Variable[1] = (VARIABLE_HEADER *) (VariableStoreHeader[1] + 1);
-
- if (VariableName[0] != 0 && VendorGuid == NULL) {
- return EFI_INVALID_PARAMETER;
- }
- //
- // Find the variable by walk through non-volatile and volatile variable store
- //
- for (Index = 0; Index < 2; Index++) {
- PtrTrack->StartPtr = (VARIABLE_HEADER *) (VariableStoreHeader[Index] + 1);
- PtrTrack->EndPtr = GetEndPointer (VariableStoreHeader[Index]);
-
- while (IsValidVariableHeader (Variable[Index]) && (Variable[Index] <= GetEndPointer (VariableStoreHeader[Index]))) {
- if (Variable[Index]->State == VAR_ADDED) {
- if (!(EfiAtRuntime () && !(Variable[Index]->Attributes & EFI_VARIABLE_RUNTIME_ACCESS))) {
- if (VariableName[0] == 0) {
- PtrTrack->CurrPtr = Variable[Index];
- PtrTrack->Volatile = (BOOLEAN) Index;
- return EFI_SUCCESS;
- } else {
- if (CompareGuid (VendorGuid, &Variable[Index]->VendorGuid)) {
- if (!CompareMem (VariableName, GET_VARIABLE_NAME_PTR (Variable[Index]), Variable[Index]->NameSize)) {
- PtrTrack->CurrPtr = Variable[Index];
- PtrTrack->Volatile = (BOOLEAN) Index;
- return EFI_SUCCESS;
- }
- }
- }
- }
- }
-
- Variable[Index] = GetNextVariablePtr (Variable[Index]);
- }
- //
- // While (...)
- //
- }
- //
- // for (...)
- //
- PtrTrack->CurrPtr = NULL;
- return EFI_NOT_FOUND;
-}
-
-EFI_STATUS
-EFIAPI
-GetVariable (
- IN CHAR16 *VariableName,
- IN EFI_GUID * VendorGuid,
- OUT UINT32 *Attributes OPTIONAL,
- IN OUT UINTN *DataSize,
- OUT VOID *Data,
- IN VARIABLE_GLOBAL * Global,
- IN UINT32 Instance
- )
-/*++
-
-Routine Description:
-
- This code finds variable in storage blocks (Volatile or Non-Volatile)
-
-Arguments:
-
- VariableName Name of Variable to be found
- VendorGuid Variable vendor GUID
- Attributes OPTIONAL Attribute value of the variable found
- DataSize Size of Data found. If size is less than the
- data, this value contains the required size.
- Data Data pointer
- Global Pointer to VARIABLE_GLOBAL structure
- Instance Instance of the Firmware Volume.
-
-Returns:
-
- EFI STATUS
-
---*/
-{
- VARIABLE_POINTER_TRACK Variable;
- UINTN VarDataSize;
- EFI_STATUS Status;
-
- if (VariableName == NULL || VendorGuid == NULL || DataSize == NULL) {
- return EFI_INVALID_PARAMETER;
- }
- //
- // Find existing variable
- //
- Status = FindVariable (VariableName, VendorGuid, &Variable, Global);
-
- if (Variable.CurrPtr == NULL || EFI_ERROR (Status)) {
- goto Done;
- }
- //
- // Get data size
- //
- VarDataSize = Variable.CurrPtr->DataSize;
- if (*DataSize >= VarDataSize) {
- if (Data == NULL) {
- Status = EFI_INVALID_PARAMETER;
- goto Done;
- }
-
- CopyMem (Data, GetVariableDataPtr (Variable.CurrPtr), VarDataSize);
- if (Attributes != NULL) {
- *Attributes = Variable.CurrPtr->Attributes;
- }
-
- *DataSize = VarDataSize;
- Status = EFI_SUCCESS;
- goto Done;
- } else {
- *DataSize = VarDataSize;
- Status = EFI_BUFFER_TOO_SMALL;
- goto Done;
- }
-
-Done:
- ReleaseLockOnlyAtBootTime (&Global->VariableServicesLock);
- return Status;
-}
-
-EFI_STATUS
-EFIAPI
-GetNextVariableName (
- IN OUT UINTN *VariableNameSize,
- IN OUT CHAR16 *VariableName,
- IN OUT EFI_GUID *VendorGuid,
- IN VARIABLE_GLOBAL *Global,
- IN UINT32 Instance
- )
-/*++
-
-Routine Description:
-
- This code Finds the Next available variable
-
-Arguments:
-
- VariableNameSize Size of the variable
- VariableName Pointer to variable name
- VendorGuid Variable Vendor Guid
- Global VARIABLE_GLOBAL structure pointer.
- Instance FV instance
-
-Returns:
-
- EFI STATUS
-
---*/
-{
- VARIABLE_POINTER_TRACK Variable;
- UINTN VarNameSize;
- EFI_STATUS Status;
-
- if (VariableNameSize == NULL || VariableName == NULL || VendorGuid == NULL) {
- return EFI_INVALID_PARAMETER;
- }
-
- Status = FindVariable (VariableName, VendorGuid, &Variable, Global);
-
- if (Variable.CurrPtr == NULL || EFI_ERROR (Status)) {
- goto Done;
- }
-
- if (VariableName[0] != 0) {
- //
- // If variable name is not NULL, get next variable
- //
- Variable.CurrPtr = GetNextVariablePtr (Variable.CurrPtr);
- }
-
- while (TRUE) {
- //
- // If both volatile and non-volatile variable store are parsed,
- // return not found
- //
- if (Variable.CurrPtr >= Variable.EndPtr || Variable.CurrPtr == NULL) {
- Variable.Volatile = (BOOLEAN) (Variable.Volatile ^ ((BOOLEAN) 0x1));
- if (Variable.Volatile) {
- Variable.StartPtr = (VARIABLE_HEADER *) ((UINTN) (Global->VolatileVariableBase + sizeof (VARIABLE_STORE_HEADER)));
- Variable.EndPtr = (VARIABLE_HEADER *) GetEndPointer ((VARIABLE_STORE_HEADER *) ((UINTN) Global->VolatileVariableBase));
- } else {
- Status = EFI_NOT_FOUND;
- goto Done;
- }
-
- Variable.CurrPtr = Variable.StartPtr;
- if (!IsValidVariableHeader (Variable.CurrPtr)) {
- continue;
- }
- }
- //
- // Variable is found
- //
- if (IsValidVariableHeader (Variable.CurrPtr) && Variable.CurrPtr->State == VAR_ADDED) {
- if (!(EfiAtRuntime () && !(Variable.CurrPtr->Attributes & EFI_VARIABLE_RUNTIME_ACCESS))) {
- VarNameSize = Variable.CurrPtr->NameSize;
- if (VarNameSize <= *VariableNameSize) {
- CopyMem (
- VariableName,
- GET_VARIABLE_NAME_PTR (Variable.CurrPtr),
- VarNameSize
- );
- CopyMem (
- VendorGuid,
- &Variable.CurrPtr->VendorGuid,
- sizeof (EFI_GUID)
- );
- Status = EFI_SUCCESS;
- } else {
- Status = EFI_BUFFER_TOO_SMALL;
- }
-
- *VariableNameSize = VarNameSize;
- goto Done;
- }
- }
-
- Variable.CurrPtr = GetNextVariablePtr (Variable.CurrPtr);
- }
-
-Done:
- ReleaseLockOnlyAtBootTime (&Global->VariableServicesLock);
- return Status;
-}
-
-EFI_STATUS
-EFIAPI
-SetVariable (
- IN CHAR16 *VariableName,
- IN EFI_GUID *VendorGuid,
- IN UINT32 Attributes,
- IN UINTN DataSize,
- IN VOID *Data,
- IN VARIABLE_GLOBAL *Global,
- IN UINTN *VolatileOffset,
- IN UINTN *NonVolatileOffset,
- IN UINT32 Instance
- )
-/*++
-
-Routine Description:
-
- This code sets variable in storage blocks (Volatile or Non-Volatile)
-
-Arguments:
-
- VariableName Name of Variable to be found
- VendorGuid Variable vendor GUID
- Attributes Attribute value of the variable found
- DataSize Size of Data found. If size is less than the
- data, this value contains the required size.
- Data Data pointer
- Global Pointer to VARIABLE_GLOBAL structure
- VolatileOffset The offset of last volatile variable
- NonVolatileOffset The offset of last non-volatile variable
- Instance Instance of the Firmware Volume.
-
-Returns:
-
- EFI STATUS
- EFI_INVALID_PARAMETER - Invalid parameter
- EFI_SUCCESS - Set successfully
- EFI_OUT_OF_RESOURCES - Resource not enough to set variable
- EFI_NOT_FOUND - Not found
-
---*/
-{
- VARIABLE_POINTER_TRACK Variable;
- EFI_STATUS Status;
- VARIABLE_HEADER *NextVariable;
- UINTN VarNameSize;
- UINTN VarNameOffset;
- UINTN VarDataOffset;
- UINTN VarSize;
- UINT8 State;
- BOOLEAN Reclaimed;
-
- Reclaimed = FALSE;
-
- if (VariableName == NULL || VariableName[0] == 0 || VendorGuid == NULL) {
- return EFI_INVALID_PARAMETER;
- }
-
- Status = FindVariable (VariableName, VendorGuid, &Variable, Global);
-
- if (Status == EFI_INVALID_PARAMETER) {
- goto Done;
- } else if (!EFI_ERROR (Status) && Variable.Volatile && EfiAtRuntime()) {
- //
- // If EfiAtRuntime and the variable is Volatile and Runtime Access,
- // the volatile is ReadOnly, and SetVariable should be aborted and
- // return EFI_WRITE_PROTECTED.
- //
- Status = EFI_WRITE_PROTECTED;
- goto Done;
- } else if (sizeof (VARIABLE_HEADER) + StrSize (VariableName) + DataSize > MAX_VARIABLE_SIZE) {
- //
- // The size of the VariableName, including the Unicode Null in bytes plus
- // the DataSize is limited to maximum size of MAX_VARIABLE_SIZE (1024) bytes.
- //
- Status = EFI_INVALID_PARAMETER;
- goto Done;
- } else if (Attributes == EFI_VARIABLE_NON_VOLATILE) {
- //
- // Make sure not only EFI_VARIABLE_NON_VOLATILE is set
- //
- Status = EFI_INVALID_PARAMETER;
- goto Done;
- } else if ((Attributes & (EFI_VARIABLE_RUNTIME_ACCESS | EFI_VARIABLE_BOOTSERVICE_ACCESS)) ==
- EFI_VARIABLE_RUNTIME_ACCESS) {
- //
- // Make sure if runtime bit is set, boot service bit is set also
- //
- Status = EFI_INVALID_PARAMETER;
- goto Done;
- } else if (EfiAtRuntime () && Attributes && !(Attributes & EFI_VARIABLE_RUNTIME_ACCESS)) {
- //
- // Runtime but Attribute is not Runtime
- //
- Status = EFI_INVALID_PARAMETER;
- goto Done;
- } else if (EfiAtRuntime () && Attributes && !(Attributes & EFI_VARIABLE_NON_VOLATILE)) {
- //
- // Cannot set volatile variable in Runtime
- //
- Status = EFI_INVALID_PARAMETER;
- goto Done;
- } else if (DataSize == 0 || (Attributes & (EFI_VARIABLE_RUNTIME_ACCESS | EFI_VARIABLE_BOOTSERVICE_ACCESS)) == 0) {
- //
- // Setting a data variable with no access, or zero DataSize attributes
- // specified causes it to be deleted.
- //
- if (!EFI_ERROR (Status)) {
- State = Variable.CurrPtr->State;
- State &= VAR_DELETED;
-
- Status = UpdateVariableStore (
- Global,
- Variable.Volatile,
- FALSE,
- Instance,
- (UINTN) &Variable.CurrPtr->State,
- sizeof (UINT8),
- &State
- );
- if (EFI_ERROR (Status)) {
- goto Done;
- }
-
- Status = EFI_SUCCESS;
- goto Done;
- }
-
- Status = EFI_NOT_FOUND;
- goto Done;
- } else {
- if (!EFI_ERROR (Status)) {
- //
- // If the variable is marked valid and the same data has been passed in
- // then return to the caller immediately.
- //
- if (Variable.CurrPtr->DataSize == DataSize &&
- !CompareMem (Data, GetVariableDataPtr (Variable.CurrPtr), DataSize)
- ) {
- Status = EFI_SUCCESS;
- goto Done;
- } else if (Variable.CurrPtr->State == VAR_ADDED) {
- //
- // Mark the old variable as in delete transition
- //
- State = Variable.CurrPtr->State;
- State &= VAR_IN_DELETED_TRANSITION;
-
- Status = UpdateVariableStore (
- Global,
- Variable.Volatile,
- FALSE,
- Instance,
- (UINTN) &Variable.CurrPtr->State,
- sizeof (UINT8),
- &State
- );
- if (EFI_ERROR (Status)) {
- goto Done;
- }
- }
- }
- //
- // Create a new variable and copy the data.
- //
- // Tricky part: Use scratch data area at the end of volatile variable store
- // as a temporary storage.
- //
- NextVariable = GetEndPointer ((VARIABLE_STORE_HEADER *) ((UINTN) Global->VolatileVariableBase));
-
- SetMem (NextVariable, SCRATCH_SIZE, 0xff);
-
- NextVariable->StartId = VARIABLE_DATA;
- NextVariable->Attributes = Attributes;
- //
- // NextVariable->State = VAR_ADDED;
- //
- NextVariable->Reserved = 0;
- VarNameOffset = sizeof (VARIABLE_HEADER);
- VarNameSize = StrSize (VariableName);
- CopyMem (
- (UINT8 *) ((UINTN) NextVariable + VarNameOffset),
- VariableName,
- VarNameSize
- );
- VarDataOffset = VarNameOffset + VarNameSize + GET_PAD_SIZE (VarNameSize);
- CopyMem (
- (UINT8 *) ((UINTN) NextVariable + VarDataOffset),
- Data,
- DataSize
- );
- CopyMem (&NextVariable->VendorGuid, VendorGuid, sizeof (EFI_GUID));
- //
- // There will be pad bytes after Data, the NextVariable->NameSize and
- // NextVariable->DataSize should not include pad size so that variable
- // service can get actual size in GetVariable
- //
- NextVariable->NameSize = (UINT32)VarNameSize;
- NextVariable->DataSize = (UINT32)DataSize;
-
- //
- // The actual size of the variable that stores in storage should
- // include pad size.
- //
- VarSize = VarDataOffset + DataSize + GET_PAD_SIZE (DataSize);
- if (Attributes & EFI_VARIABLE_NON_VOLATILE) {
- if ((UINT32) (VarSize +*NonVolatileOffset) >
- ((VARIABLE_STORE_HEADER *) ((UINTN) (Global->NonVolatileVariableBase)))->Size
- ) {
- if (EfiAtRuntime ()) {
- Status = EFI_OUT_OF_RESOURCES;
- goto Done;
- }
- //
- // Perform garbage collection & reclaim operation
- //
- Status = Reclaim (Global->NonVolatileVariableBase, NonVolatileOffset, FALSE);
- if (EFI_ERROR (Status)) {
- goto Done;
- }
- //
- // If still no enough space, return out of resources
- //
- if ((UINT32) (VarSize +*NonVolatileOffset) >
- ((VARIABLE_STORE_HEADER *) ((UINTN) (Global->NonVolatileVariableBase)))->Size
- ) {
- Status = EFI_OUT_OF_RESOURCES;
- goto Done;
- }
-
- Reclaimed = TRUE;
- }
- //
- // Three steps
- // 1. Write variable header
- // 2. Write variable data
- // 3. Set variable state to valid
- //
- //
- // Step 1:
- //
- Status = UpdateVariableStore (
- Global,
- FALSE,
- TRUE,
- Instance,
- *NonVolatileOffset,
- sizeof (VARIABLE_HEADER),
- (UINT8 *) NextVariable
- );
-
- if (EFI_ERROR (Status)) {
- goto Done;
- }
- //
- // Step 2:
- //
- Status = UpdateVariableStore (
- Global,
- FALSE,
- TRUE,
- Instance,
- *NonVolatileOffset + sizeof (VARIABLE_HEADER),
- (UINT32) VarSize - sizeof (VARIABLE_HEADER),
- (UINT8 *) NextVariable + sizeof (VARIABLE_HEADER)
- );
-
- if (EFI_ERROR (Status)) {
- goto Done;
- }
- //
- // Step 3:
- //
- NextVariable->State = VAR_ADDED;
- Status = UpdateVariableStore (
- Global,
- FALSE,
- TRUE,
- Instance,
- *NonVolatileOffset,
- sizeof (VARIABLE_HEADER),
- (UINT8 *) NextVariable
- );
-
- if (EFI_ERROR (Status)) {
- goto Done;
- }
-
- *NonVolatileOffset = *NonVolatileOffset + VarSize;
-
- } else {
- if (EfiAtRuntime ()) {
- Status = EFI_INVALID_PARAMETER;
- goto Done;
- }
-
- if ((UINT32) (VarSize +*VolatileOffset) >
- ((VARIABLE_STORE_HEADER *) ((UINTN) (Global->VolatileVariableBase)))->Size
- ) {
- //
- // Perform garbage collection & reclaim operation
- //
- Status = Reclaim (Global->VolatileVariableBase, VolatileOffset, TRUE);
- if (EFI_ERROR (Status)) {
- goto Done;
- }
- //
- // If still no enough space, return out of resources
- //
- if ((UINT32) (VarSize +*VolatileOffset) >
- ((VARIABLE_STORE_HEADER *) ((UINTN) (Global->VolatileVariableBase)))->Size
- ) {
- Status = EFI_OUT_OF_RESOURCES;
- goto Done;
- }
-
- Reclaimed = TRUE;
- }
-
- NextVariable->State = VAR_ADDED;
- Status = UpdateVariableStore (
- Global,
- TRUE,
- TRUE,
- Instance,
- *VolatileOffset,
- (UINT32) VarSize,
- (UINT8 *) NextVariable
- );
-
- if (EFI_ERROR (Status)) {
- goto Done;
- }
-
- *VolatileOffset = *VolatileOffset + VarSize;
- }
- //
- // Mark the old variable as deleted
- //
- if (!Reclaimed && !EFI_ERROR (Status) && Variable.CurrPtr != NULL) {
- State = Variable.CurrPtr->State;
- State &= VAR_DELETED;
-
- Status = UpdateVariableStore (
- Global,
- Variable.Volatile,
- FALSE,
- Instance,
- (UINTN) &Variable.CurrPtr->State,
- sizeof (UINT8),
- &State
- );
-
- if (EFI_ERROR (Status)) {
- goto Done;
- }
- }
- }
-
- Status = EFI_SUCCESS;
-Done:
- ReleaseLockOnlyAtBootTime (&Global->VariableServicesLock);
- return Status;
-}
-
-EFI_STATUS
-EFIAPI
-QueryVariableInfo (
- IN UINT32 Attributes,
- OUT UINT64 *MaximumVariableStorageSize,
- OUT UINT64 *RemainingVariableStorageSize,
- OUT UINT64 *MaximumVariableSize,
- IN VARIABLE_GLOBAL *Global,
- IN UINT32 Instance
- )
-/*++
-
-Routine Description:
-
- This code returns information about the EFI variables.
-
-Arguments:
-
- Attributes Attributes bitmask to specify the type of variables
- on which to return information.
- MaximumVariableStorageSize Pointer to the maximum size of the storage space available
- for the EFI variables associated with the attributes specified.
- RemainingVariableStorageSize Pointer to the remaining size of the storage space available
- for the EFI variables associated with the attributes specified.
- MaximumVariableSize Pointer to the maximum size of the individual EFI variables
- associated with the attributes specified.
- Global Pointer to VARIABLE_GLOBAL structure.
- Instance Instance of the Firmware Volume.
-
-Returns:
-
- EFI STATUS
- EFI_INVALID_PARAMETER - An invalid combination of attribute bits was supplied.
- EFI_SUCCESS - Query successfully.
- EFI_UNSUPPORTED - The attribute is not supported on this platform.
-
---*/
-{
- VARIABLE_HEADER *Variable;
- VARIABLE_HEADER *NextVariable;
- UINT64 VariableSize;
- VARIABLE_STORE_HEADER *VariableStoreHeader;
-
- if(MaximumVariableStorageSize == NULL || RemainingVariableStorageSize == NULL || MaximumVariableSize == NULL) {
- return EFI_INVALID_PARAMETER;
- }
-
- if((Attributes & (EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS)) == 0) {
- //
- // Make sure the Attributes combination is supported by the platform.
- //
- return EFI_UNSUPPORTED;
- } else if ((Attributes & (EFI_VARIABLE_RUNTIME_ACCESS | EFI_VARIABLE_BOOTSERVICE_ACCESS)) == EFI_VARIABLE_RUNTIME_ACCESS) {
- //
- // Make sure if runtime bit is set, boot service bit is set also.
- //
- return EFI_INVALID_PARAMETER;
- } else if (EfiAtRuntime () && !(Attributes & EFI_VARIABLE_RUNTIME_ACCESS)) {
- //
- // Make sure RT Attribute is set if we are in Runtime phase.
- //
- return EFI_INVALID_PARAMETER;
- }
-
- AcquireLockOnlyAtBootTime(&Global->VariableServicesLock);
-
- if((Attributes & EFI_VARIABLE_NON_VOLATILE) == 0) {
- //
- // Query is Volatile related.
- //
- VariableStoreHeader = (VARIABLE_STORE_HEADER *) ((UINTN) Global->VolatileVariableBase);
- } else {
- //
- // Query is Non-Volatile related.
- //
- VariableStoreHeader = (VARIABLE_STORE_HEADER *) ((UINTN) Global->NonVolatileVariableBase);
- }
-
- //
- // Now let's fill *MaximumVariableStorageSize *RemainingVariableStorageSize
- // with the storage size (excluding the storage header size).
- //
- *MaximumVariableStorageSize = VariableStoreHeader->Size - sizeof (VARIABLE_STORE_HEADER);
- *RemainingVariableStorageSize = VariableStoreHeader->Size - sizeof (VARIABLE_STORE_HEADER);
-
- //
- // Let *MaximumVariableSize be MAX_VARIABLE_SIZE.
- //
- *MaximumVariableSize = MAX_VARIABLE_SIZE;
-
- //
- // Point to the starting address of the variables.
- //
- Variable = (VARIABLE_HEADER *) (VariableStoreHeader + 1);
-
- //
- // Now walk through the related variable store.
- //
- while (IsValidVariableHeader (Variable) && (Variable < GetEndPointer (VariableStoreHeader))) {
- NextVariable = GetNextVariablePtr (Variable);
- VariableSize = (UINT64) (UINTN) NextVariable - (UINT64) (UINTN) Variable;
-
- if (EfiAtRuntime ()) {
- //
- // we don't take the state of the variables in mind
- // when calculating RemainingVariableStorageSize,
- // since the space occupied by variables not marked with
- // VAR_ADDED is not allowed to be reclaimed in Runtime.
- //
- *RemainingVariableStorageSize -= VariableSize;
- } else {
- //
- // Only care about Variables with State VAR_ADDED,because
- // the space not marked as VAR_ADDED is reclaimable now.
- //
- if (Variable->State == VAR_ADDED) {
- *RemainingVariableStorageSize -= VariableSize;
- }
- }
-
- //
- // Go to the next one
- //
- Variable = NextVariable;
- }
-
- ReleaseLockOnlyAtBootTime (&Global->VariableServicesLock);
- return EFI_SUCCESS;
-}
-
-EFI_STATUS
-EFIAPI
-VariableCommonInitialize (
- IN EFI_HANDLE ImageHandle,
- IN EFI_SYSTEM_TABLE *SystemTable
- )
-/*++
-
-Routine Description:
- This function does common initialization for variable services
-
-Arguments:
-
- ImageHandle - The firmware allocated handle for the EFI image.
- SystemTable - A pointer to the EFI System Table.
-
-Returns:
-
- Status code.
-
- EFI_NOT_FOUND - Variable store area not found.
- EFI_UNSUPPORTED - Currently only one non-volatile variable store is supported.
- EFI_SUCCESS - Variable services successfully initialized.
-
---*/
-{
- EFI_STATUS Status;
- EFI_FIRMWARE_VOLUME_HEADER *FwVolHeader;
- CHAR8 *CurrPtr;
- VARIABLE_STORE_HEADER *VolatileVariableStore;
- VARIABLE_STORE_HEADER *VariableStoreHeader;
- VARIABLE_HEADER *NextVariable;
- UINT32 Instance;
- EFI_PHYSICAL_ADDRESS FvVolHdr;
-
- UINT64 TempVariableStoreHeader;
-
- EFI_GCD_MEMORY_SPACE_DESCRIPTOR GcdDescriptor;
- EFI_FLASH_SUBAREA_ENTRY VariableStoreEntry;
- UINT64 BaseAddress;
- UINT64 Length;
- UINTN Index;
- UINT8 Data;
-
- mVariableModuleGlobal = AllocateRuntimePool (sizeof (ESAL_VARIABLE_GLOBAL));
- if (mVariableModuleGlobal == NULL) {
- return EFI_OUT_OF_RESOURCES;
- }
-
- EfiInitializeLock(&mVariableModuleGlobal->VariableGlobal[Physical].VariableServicesLock, TPL_NOTIFY);
-
- //
- // Allocate memory for volatile variable store
- //
- VolatileVariableStore = AllocateRuntimePool (VARIABLE_STORE_SIZE + SCRATCH_SIZE);
- if (VolatileVariableStore == NULL) {
- FreePool (mVariableModuleGlobal);
- return EFI_OUT_OF_RESOURCES;
- }
-
- SetMem (VolatileVariableStore, VARIABLE_STORE_SIZE + SCRATCH_SIZE, 0xff);
-
- //
- // Variable Specific Data
- //
- mVariableModuleGlobal->VariableGlobal[Physical].VolatileVariableBase = (EFI_PHYSICAL_ADDRESS) (UINTN) VolatileVariableStore;
- mVariableModuleGlobal->VolatileLastVariableOffset = sizeof (VARIABLE_STORE_HEADER);
-
- VolatileVariableStore->Signature = VARIABLE_STORE_SIGNATURE;
- VolatileVariableStore->Size = VARIABLE_STORE_SIZE;
- VolatileVariableStore->Format = VARIABLE_STORE_FORMATTED;
- VolatileVariableStore->State = VARIABLE_STORE_HEALTHY;
- VolatileVariableStore->Reserved = 0;
- VolatileVariableStore->Reserved1 = 0;
-
- //
- // Get non volatile varaible store
- //
-
- TempVariableStoreHeader = (UINT64) PcdGet32 (PcdFlashNvStorageVariableBase);
- VariableStoreEntry.Base = TempVariableStoreHeader + \
- (((EFI_FIRMWARE_VOLUME_HEADER *) (UINTN) (TempVariableStoreHeader)) -> HeaderLength);
- VariableStoreEntry.Length = (UINT64) PcdGet32 (PcdFlashNvStorageVariableSize) - \
- (((EFI_FIRMWARE_VOLUME_HEADER *) (UINTN) (TempVariableStoreHeader)) -> HeaderLength);
- //
- // Mark the variable storage region of the FLASH as RUNTIME
- //
- BaseAddress = VariableStoreEntry.Base & (~EFI_PAGE_MASK);
- Length = VariableStoreEntry.Length + (VariableStoreEntry.Base - BaseAddress);
- Length = (Length + EFI_PAGE_SIZE - 1) & (~EFI_PAGE_MASK);
-
- Status = gDS->GetMemorySpaceDescriptor (BaseAddress, &GcdDescriptor);
- if (EFI_ERROR (Status)) {
- FreePool (mVariableModuleGlobal);
- FreePool (VolatileVariableStore);
- return EFI_UNSUPPORTED;
- }
-
- Status = gDS->SetMemorySpaceAttributes (
- BaseAddress,
- Length,
- GcdDescriptor.Attributes | EFI_MEMORY_RUNTIME
- );
- if (EFI_ERROR (Status)) {
- FreePool (mVariableModuleGlobal);
- FreePool (VolatileVariableStore);
- return EFI_UNSUPPORTED;
- }
- //
- // Get address of non volatile variable store base
- //
- mVariableModuleGlobal->VariableGlobal[Physical].NonVolatileVariableBase = VariableStoreEntry.Base;
-
- //
- // Check Integrity
- //
- //
- // Find the Correct Instance of the FV Block Service.
- //
- Instance = 0;
- CurrPtr = (CHAR8 *) ((UINTN) mVariableModuleGlobal->VariableGlobal[Physical].NonVolatileVariableBase);
- while (EfiFvbGetPhysicalAddress (Instance, &FvVolHdr) == EFI_SUCCESS) {
- FwVolHeader = (EFI_FIRMWARE_VOLUME_HEADER *) ((UINTN) FvVolHdr);
- if (CurrPtr >= (CHAR8 *) FwVolHeader && CurrPtr < (((CHAR8 *) FwVolHeader) + FwVolHeader->FvLength)) {
- mVariableModuleGlobal->FvbInstance = Instance;
- break;
- }
-
- Instance++;
- }
-
- VariableStoreHeader = (VARIABLE_STORE_HEADER *) CurrPtr;
- if (GetVariableStoreStatus (VariableStoreHeader) == EfiValid) {
- if (~VariableStoreHeader->Size == 0) {
- Status = UpdateVariableStore (
- &mVariableModuleGlobal->VariableGlobal[Physical],
- FALSE,
- FALSE,
- mVariableModuleGlobal->FvbInstance,
- (UINTN) &VariableStoreHeader->Size,
- sizeof (UINT32),
- (UINT8 *) &VariableStoreEntry.Length
- );
- //
- // As Variables are stored in NV storage, which are slow devices,such as flash.
- // Variable operation may skip checking variable program result to improve performance,
- // We can assume Variable program is OK through some check point.
- // Variable Store Size Setting should be the first Variable write operation,
- // We can assume all Read/Write is OK if we can set Variable store size successfully.
- // If write fail, we will assert here
- //
- ASSERT(VariableStoreHeader->Size == VariableStoreEntry.Length);
-
- if (EFI_ERROR (Status)) {
- return Status;
- }
- }
-
- mVariableModuleGlobal->VariableGlobal[Physical].NonVolatileVariableBase = (EFI_PHYSICAL_ADDRESS) ((UINTN) CurrPtr);
- //
- // Parse non-volatile variable data and get last variable offset
- //
- NextVariable = (VARIABLE_HEADER *) (CurrPtr + sizeof (VARIABLE_STORE_HEADER));
- Status = EFI_SUCCESS;
-
- while (IsValidVariableHeader (NextVariable)) {
- NextVariable = GetNextVariablePtr (NextVariable);
- }
-
- mVariableModuleGlobal->NonVolatileLastVariableOffset = (UINTN) NextVariable - (UINTN) CurrPtr;
-
- //
- // Check if the free area is blow a threshold
- //
- if ((((VARIABLE_STORE_HEADER *)((UINTN) CurrPtr))->Size - mVariableModuleGlobal->NonVolatileLastVariableOffset) < VARIABLE_RECLAIM_THRESHOLD) {
- Status = Reclaim (
- mVariableModuleGlobal->VariableGlobal[Physical].NonVolatileVariableBase,
- &mVariableModuleGlobal->NonVolatileLastVariableOffset,
- FALSE
- );
- }
-
- if (EFI_ERROR (Status)) {
- FreePool (mVariableModuleGlobal);
- FreePool (VolatileVariableStore);
- return Status;
- }
-
- //
- // Check if the free area is really free.
- //
- for (Index = mVariableModuleGlobal->NonVolatileLastVariableOffset; Index < VariableStoreHeader->Size; Index++) {
- Data = ((UINT8 *) (UINTN) mVariableModuleGlobal->VariableGlobal[Physical].NonVolatileVariableBase)[Index];
- if (Data != 0xff) {
- //
- // There must be something wrong in variable store, do reclaim operation.
- //
- Status = Reclaim (
- mVariableModuleGlobal->VariableGlobal[Physical].NonVolatileVariableBase,
- &mVariableModuleGlobal->NonVolatileLastVariableOffset,
- FALSE
- );
- break;
- }
- }
- }
-
- if (EFI_ERROR (Status)) {
- FreePool (mVariableModuleGlobal);
- FreePool (VolatileVariableStore);
- }
-
- return Status;
-}
diff --git a/MdeModulePkg/Universal/VariableRuntimeDxe/Variable.h b/MdeModulePkg/Universal/VariableRuntimeDxe/Variable.h
deleted file mode 100644
index 904a681c33..0000000000
--- a/MdeModulePkg/Universal/VariableRuntimeDxe/Variable.h
+++ /dev/null
@@ -1,175 +0,0 @@
-/*++
-
-Copyright (c) 2006 - 2007, Intel Corporation
-All rights reserved. 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
-http://opensource.org/licenses/bsd-license.php
-
-THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-
-Module Name:
-
- Variable.h
-
-Abstract:
-
---*/
-
-#ifndef _VARIABLE_H
-#define _VARIABLE_H
-
-#include <PiDxe.h>
-#include <Protocol/VariableWrite.h>
-#include <Protocol/FaultTolerantWriteLite.h>
-#include <Protocol/FirmwareVolumeBlock.h>
-#include <Protocol/Variable.h>
-#include <Library/PcdLib.h>
-#include <Library/UefiDriverEntryPoint.h>
-#include <Library/DxeServicesTableLib.h>
-#include <Library/UefiRuntimeLib.h>
-#include <Library/DebugLib.h>
-#include <Library/BaseMemoryLib.h>
-#include <Library/FvbServiceLib.h>
-#include <Library/UefiBootServicesTableLib.h>
-#include <Library/UefiLib.h>
-#include <Library/BaseLib.h>
-#include <Library/MemoryAllocationLib.h>
-#include <Library/HobLib.h>
-#include <Common/FlashMap.h>
-#include <Guid/FlashMapHob.h>
-
-//
-// BugBug: We need relcate the head file.
-//
-#include <Common/Variable.h>
-
-#define VARIABLE_RECLAIM_THRESHOLD (1024)
-
-#define VARIABLE_STORE_SIZE (64 * 1024)
-#define SCRATCH_SIZE (4 * 1024)
-
-//
-// Define GET_PAD_SIZE to optimize compiler
-//
-#if ((ALIGNMENT == 0) || (ALIGNMENT == 1))
-#define GET_PAD_SIZE(a) (0)
-#else
-#define GET_PAD_SIZE(a) (((~a) + 1) & (ALIGNMENT - 1))
-#endif
-
-#define GET_VARIABLE_NAME_PTR(a) (CHAR16 *) ((UINTN) (a) + sizeof (VARIABLE_HEADER))
-
-typedef enum {
- Physical,
- Virtual
-} VARIABLE_POINTER_TYPE;
-
-typedef struct {
- VARIABLE_HEADER *CurrPtr;
- VARIABLE_HEADER *EndPtr;
- VARIABLE_HEADER *StartPtr;
- BOOLEAN Volatile;
-} VARIABLE_POINTER_TRACK;
-
-typedef struct {
- EFI_PHYSICAL_ADDRESS VolatileVariableBase;
- EFI_PHYSICAL_ADDRESS NonVolatileVariableBase;
- EFI_LOCK VariableServicesLock;
-} VARIABLE_GLOBAL;
-
-typedef struct {
- VARIABLE_GLOBAL VariableGlobal[2];
- UINTN VolatileLastVariableOffset;
- UINTN NonVolatileLastVariableOffset;
- UINT32 FvbInstance;
-} ESAL_VARIABLE_GLOBAL;
-
-extern ESAL_VARIABLE_GLOBAL *mVariableModuleGlobal;
-
-//
-// Functions
-//
-EFI_STATUS
-EFIAPI
-VariableCommonInitialize (
- IN EFI_HANDLE ImageHandle,
- IN EFI_SYSTEM_TABLE *SystemTable
- );
-
-EFI_STATUS
-EFIAPI
-VariableServiceInitialize (
- IN EFI_HANDLE ImageHandle,
- IN EFI_SYSTEM_TABLE *SystemTable
- );
-
-VOID
-EFIAPI
-VariableClassAddressChangeEvent (
- IN EFI_EVENT Event,
- IN VOID *Context
- );
-
-EFI_STATUS
-EFIAPI
-GetVariable (
- IN CHAR16 *VariableName,
- IN EFI_GUID * VendorGuid,
- OUT UINT32 *Attributes OPTIONAL,
- IN OUT UINTN *DataSize,
- OUT VOID *Data,
- IN VARIABLE_GLOBAL * Global,
- IN UINT32 Instance
- );
-
-EFI_STATUS
-EFIAPI
-GetNextVariableName (
- IN OUT UINTN *VariableNameSize,
- IN OUT CHAR16 *VariableName,
- IN OUT EFI_GUID *VendorGuid,
- IN VARIABLE_GLOBAL *Global,
- IN UINT32 Instance
- );
-
-EFI_STATUS
-EFIAPI
-SetVariable (
- IN CHAR16 *VariableName,
- IN EFI_GUID *VendorGuid,
- IN UINT32 Attributes,
- IN UINTN DataSize,
- IN VOID *Data,
- IN VARIABLE_GLOBAL *Global,
- IN UINTN *VolatileOffset,
- IN UINTN *NonVolatileOffset,
- IN UINT32 Instance
- );
-
-EFI_STATUS
-EFIAPI
-QueryVariableInfo (
- IN UINT32 Attributes,
- OUT UINT64 *MaximumVariableStorageSize,
- OUT UINT64 *RemainingVariableStorageSize,
- OUT UINT64 *MaximumVariableSize,
- IN VARIABLE_GLOBAL *Global,
- IN UINT32 Instance
- );
-
-EFI_STATUS
-GetFvbHandleByAddress (
- IN EFI_PHYSICAL_ADDRESS VariableStoreBase,
- OUT EFI_HANDLE *FvbHandle
- );
-
-EFI_STATUS
-FtwVariableSpace (
- IN EFI_PHYSICAL_ADDRESS VariableBaseAddress,
- IN UINT8 *Buffer,
- IN UINTN BufferSize
- );
-
-#endif
diff --git a/MdeModulePkg/Universal/VariableRuntimeDxe/Variable.msa b/MdeModulePkg/Universal/VariableRuntimeDxe/Variable.msa
deleted file mode 100644
index 56f19b0437..0000000000
--- a/MdeModulePkg/Universal/VariableRuntimeDxe/Variable.msa
+++ /dev/null
@@ -1,108 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<ModuleSurfaceArea xmlns="http://www.TianoCore.org/2006/Edk2.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
- <MsaHeader>
- <ModuleName>Variable</ModuleName>
- <ModuleType>DXE_RUNTIME_DRIVER</ModuleType>
- <GuidValue>CBD2E4D5-7068-4FF5-B462-9822B4AD8D60</GuidValue>
- <Version>1.0</Version>
- <Abstract>Component description file for Variable module.</Abstract>
- <Description>This module installs three EFI_RUNTIME_SERVICES: SetVariable, GetVariable, GetNextVariableName.</Description>
- <Copyright>Copyright (c) 2006 - 2007, Intel Corporation</Copyright>
- <License>All rights reserved. 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
- http://opensource.org/licenses/bsd-license.php
- THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
- WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.</License>
- <Specification>FRAMEWORK_BUILD_PACKAGING_SPECIFICATION 0x00000052</Specification>
- </MsaHeader>
- <ModuleDefinitions>
- <SupportedArchitectures>IA32 X64</SupportedArchitectures>
- <BinaryModule>false</BinaryModule>
- <OutputFileBasename>Variable</OutputFileBasename>
- </ModuleDefinitions>
- <LibraryClassDefinitions>
- <LibraryClass Usage="ALWAYS_CONSUMED">
- <Keyword>PcdLib</Keyword>
- </LibraryClass>
- <LibraryClass Usage="ALWAYS_CONSUMED">
- <Keyword>UefiDriverEntryPoint</Keyword>
- </LibraryClass>
- <LibraryClass Usage="ALWAYS_CONSUMED">
- <Keyword>DxeServicesTableLib</Keyword>
- </LibraryClass>
- <LibraryClass Usage="ALWAYS_CONSUMED">
- <Keyword>UefiRuntimeLib</Keyword>
- </LibraryClass>
- <LibraryClass Usage="ALWAYS_CONSUMED">
- <Keyword>DebugLib</Keyword>
- </LibraryClass>
- <LibraryClass Usage="ALWAYS_CONSUMED">
- <Keyword>BaseMemoryLib</Keyword>
- </LibraryClass>
- <LibraryClass Usage="ALWAYS_CONSUMED">
- <Keyword>EdkFvbServiceLib</Keyword>
- </LibraryClass>
- <LibraryClass Usage="ALWAYS_CONSUMED">
- <Keyword>UefiBootServicesTableLib</Keyword>
- </LibraryClass>
- <LibraryClass Usage="ALWAYS_CONSUMED">
- <Keyword>UefiLib</Keyword>
- </LibraryClass>
- <LibraryClass Usage="ALWAYS_CONSUMED">
- <Keyword>BaseLib</Keyword>
- </LibraryClass>
- <LibraryClass Usage="ALWAYS_CONSUMED">
- <Keyword>MemoryAllocationLib</Keyword>
- </LibraryClass>
- </LibraryClassDefinitions>
- <SourceFiles>
- <Filename>Variable.h</Filename>
- <Filename>Variable.c</Filename>
- <Filename>reclaim.h</Filename>
- <Filename>reclaim.c</Filename>
- <Filename>InitVariable.c</Filename>
- <Filename>Variable.dxs</Filename>
- </SourceFiles>
- <PackageDependencies>
- <Package PackageGuid="5e0e9358-46b6-4ae2-8218-4ab8b9bbdcec"/>
- <Package PackageGuid="68169ab0-d41b-4009-9060-292c253ac43d"/>
- </PackageDependencies>
- <Protocols>
- <Protocol Usage="ALWAYS_PRODUCED">
- <ProtocolCName>gEfiVariableArchProtocolGuid</ProtocolCName>
- </Protocol>
- <Protocol Usage="ALWAYS_PRODUCED">
- <ProtocolCName>gEfiVariableWriteArchProtocolGuid</ProtocolCName>
- </Protocol>
- <Protocol Usage="SOMETIMES_CONSUMED">
- <ProtocolCName>gEfiFaultTolerantWriteLiteProtocolGuid</ProtocolCName>
- </Protocol>
- <Protocol Usage="SOMETIMES_CONSUMED">
- <ProtocolCName>gEfiFirmwareVolumeBlockProtocolGuid</ProtocolCName>
- </Protocol>
- </Protocols>
- <Externs>
- <Specification>EFI_SPECIFICATION_VERSION 0x00020000</Specification>
- <Specification>EDK_RELEASE_VERSION 0x00020000</Specification>
- <Extern>
- <ModuleEntryPoint>VariableServiceInitialize</ModuleEntryPoint>
- </Extern>
- <Extern>
- <SetVirtualAddressMapCallBack>VariableClassAddressChangeEvent</SetVirtualAddressMapCallBack>
- </Extern>
- </Externs>
- <PcdCoded>
- <PcdEntry PcdItemType="DYNAMIC">
- <C_Name>PcdFlashNvStorageVariableBase</C_Name>
- <TokenSpaceGuidCName>gEfiGenericPlatformTokenSpaceGuid</TokenSpaceGuidCName>
- <HelpText>The driver gets the Variable store base address from this PCD. This base address point to
- an EFI_FIRMWARE_VOLUMN_HEADER struct.</HelpText>
- </PcdEntry>
- <PcdEntry PcdItemType="DYNAMIC">
- <C_Name>PcdFlashNvStorageVariableSize</C_Name>
- <TokenSpaceGuidCName>gEfiGenericPlatformTokenSpaceGuid</TokenSpaceGuidCName>
- <HelpText>The driver gets the NvStorage Variable Size from this PCD.</HelpText>
- </PcdEntry>
- </PcdCoded>
-</ModuleSurfaceArea> \ No newline at end of file
diff --git a/MdeModulePkg/Universal/VariableRuntimeDxe/VariableRuntimeDxe.inf b/MdeModulePkg/Universal/VariableRuntimeDxe/VariableRuntimeDxe.inf
deleted file mode 100644
index b8b4ecce8d..0000000000
--- a/MdeModulePkg/Universal/VariableRuntimeDxe/VariableRuntimeDxe.inf
+++ /dev/null
@@ -1,74 +0,0 @@
-#/** @file
-# Component description file for Variable module.
-#
-# This module installs three EFI_RUNTIME_SERVICES: SetVariable, GetVariable, GetNextVariableName.
-# Copyright (c) 2006 - 2007, Intel Corporation
-#
-# All rights reserved. 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
-# http://opensource.org/licenses/bsd-license.php
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-#
-#**/
-
-[Defines]
- INF_VERSION = 0x00010005
- BASE_NAME = VariableRuntimeDxe
- FILE_GUID = CBD2E4D5-7068-4FF5-B462-9822B4AD8D60
- MODULE_TYPE = DXE_RUNTIME_DRIVER
- VERSION_STRING = 1.0
- EDK_RELEASE_VERSION = 0x00020000
- EFI_SPECIFICATION_VERSION = 0x00020000
-
- ENTRY_POINT = VariableServiceInitialize
-
-#
-# The following information is for reference only and not required by the build tools.
-#
-# VALID_ARCHITECTURES = IA32 X64
-#
-# VIRTUAL_ADDRESS_MAP_CALLBACK = VariableClassAddressChangeEvent
-#
-
-[Sources.common]
- InitVariable.c
- reclaim.c
- Variable.c
- Variable.h
-
-[Packages]
- MdePkg/MdePkg.dec
-
-[LibraryClasses]
- MemoryAllocationLib
- BaseLib
- UefiLib
- UefiBootServicesTableLib
- FvbServiceLib
- BaseMemoryLib
- DebugLib
- UefiRuntimeLib
- DxeServicesTableLib
- UefiDriverEntryPoint
- PcdLib
- HobLib
-
-[Guids]
- gEfiFlashMapHobGuid
-
-[Protocols]
- gEfiFirmwareVolumeBlockProtocolGuid # PROTOCOL SOMETIMES_CONSUMED
- gEfiFaultTolerantWriteLiteProtocolGuid # PROTOCOL SOMETIMES_CONSUMED
- gEfiVariableWriteArchProtocolGuid # PROTOCOL ALWAYS_PRODUCED
- gEfiVariableArchProtocolGuid # PROTOCOL ALWAYS_PRODUCED
-
-[PcdsDynamic.common]
- PcdFlashNvStorageVariableSize|gEfiMdeModulePkgTokenSpaceGuid
- PcdFlashNvStorageVariableBase|gEfiMdeModulePkgTokenSpaceGuid
-
-[Depex]
- gEfiFirmwareVolumeBlockProtocolGuid AND gEfiAlternateFvBlockGuid AND gEfiFaultTolerantWriteLiteProtocolGuid
-
diff --git a/MdeModulePkg/Universal/VariableRuntimeDxe/reclaim.c b/MdeModulePkg/Universal/VariableRuntimeDxe/reclaim.c
deleted file mode 100644
index 0adaa8787c..0000000000
--- a/MdeModulePkg/Universal/VariableRuntimeDxe/reclaim.c
+++ /dev/null
@@ -1,242 +0,0 @@
-/*++
-
-Copyright (c) 2006 - 2007, Intel Corporation
-All rights reserved. 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
-http://opensource.org/licenses/bsd-license.php
-
-THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-
-Module Name:
-
- reclaim.c
-
-Abstract:
-
- Handles non-volatile variable store garbage collection, using FTW
- (Fault Tolerant Write) protocol.
-
-Revision History
-
---*/
-
-
-#include <Variable.h>
-#include "Common/Variable.h"
-
-EFI_STATUS
-GetFvbHandleByAddress (
- IN EFI_PHYSICAL_ADDRESS Address,
- OUT EFI_HANDLE *FvbHandle
- )
-{
- EFI_STATUS Status;
- EFI_HANDLE *HandleBuffer;
- UINTN HandleCount;
- UINTN Index;
- EFI_PHYSICAL_ADDRESS FvbBaseAddress;
- EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL *Fvb;
- EFI_FIRMWARE_VOLUME_HEADER *FwVolHeader;
-
- *FvbHandle = NULL;
- //
- // Locate all handles of Fvb protocol
- //
- Status = gBS->LocateHandleBuffer (
- ByProtocol,
- &gEfiFirmwareVolumeBlockProtocolGuid,
- NULL,
- &HandleCount,
- &HandleBuffer
- );
- if (EFI_ERROR (Status)) {
- return EFI_NOT_FOUND;
- }
- //
- // Get the FVB to access variable store
- //
- for (Index = 0; Index < HandleCount; Index += 1) {
- Status = gBS->HandleProtocol (
- HandleBuffer[Index],
- &gEfiFirmwareVolumeBlockProtocolGuid,
- (VOID **) &Fvb
- );
- if (EFI_ERROR (Status)) {
- Status = EFI_NOT_FOUND;
- break;
- }
- //
- // Compare the address and select the right one
- //
- Status = Fvb->GetPhysicalAddress (Fvb, &FvbBaseAddress);
- if (EFI_ERROR (Status)) {
- continue;
- }
-
- FwVolHeader = (EFI_FIRMWARE_VOLUME_HEADER *) ((UINTN) FvbBaseAddress);
- if ((Address >= FvbBaseAddress) && (Address <= (FvbBaseAddress + FwVolHeader->FvLength))) {
- *FvbHandle = HandleBuffer[Index];
- Status = EFI_SUCCESS;
- break;
- }
- }
-
- FreePool (HandleBuffer);
- return Status;
-}
-
-STATIC
-EFI_STATUS
-GetLbaAndOffsetByAddress (
- IN EFI_PHYSICAL_ADDRESS Address,
- OUT EFI_LBA *Lba,
- OUT UINTN *Offset
- )
-{
- EFI_STATUS Status;
- EFI_HANDLE FvbHandle;
- EFI_PHYSICAL_ADDRESS FvbBaseAddress;
- EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL *Fvb;
- EFI_FIRMWARE_VOLUME_HEADER *FwVolHeader;
- EFI_FV_BLOCK_MAP_ENTRY *FvbMapEntry;
- UINT32 LbaIndex;
-
- *Lba = (EFI_LBA) (-1);
- *Offset = 0;
-
- //
- // Get the proper FVB
- //
- Status = GetFvbHandleByAddress (Address, &FvbHandle);
- if (EFI_ERROR (Status)) {
- return Status;
- }
-
- Status = gBS->HandleProtocol (
- FvbHandle,
- &gEfiFirmwareVolumeBlockProtocolGuid,
- (VOID **) &Fvb
- );
- if (EFI_ERROR (Status)) {
- return Status;
- }
- //
- // Get the Base Address of FV
- //
- Status = Fvb->GetPhysicalAddress (Fvb, &FvbBaseAddress);
- if (EFI_ERROR (Status)) {
- return Status;
- }
-
- FwVolHeader = (EFI_FIRMWARE_VOLUME_HEADER *) ((UINTN) FvbBaseAddress);
-
- //
- // Get the (LBA, Offset) of Address
- //
- if ((Address >= FvbBaseAddress) && (Address <= (FvbBaseAddress + FwVolHeader->FvLength))) {
- if ((FwVolHeader->FvLength) > (FwVolHeader->HeaderLength)) {
- //
- // BUGBUG: Assume one FV has one type of BlockLength
- //
- FvbMapEntry = &FwVolHeader->BlockMap[0];
- for (LbaIndex = 1; LbaIndex <= FvbMapEntry->NumBlocks; LbaIndex += 1) {
- if (Address < (FvbBaseAddress + FvbMapEntry->Length * LbaIndex)) {
- //
- // Found the (Lba, Offset)
- //
- *Lba = LbaIndex - 1;
- *Offset = (UINTN) (Address - (FvbBaseAddress + FvbMapEntry->Length * (LbaIndex - 1)));
- return EFI_SUCCESS;
- }
- }
- }
- }
-
- return EFI_ABORTED;
-}
-
-EFI_STATUS
-FtwVariableSpace (
- IN EFI_PHYSICAL_ADDRESS VariableBase,
- IN UINT8 *Buffer,
- IN UINTN BufferSize
- )
-/*++
-
-Routine Description:
- Write a buffer to Variable space, in the working block.
-
-Arguments:
- FvbHandle - Indicates a handle to FVB to access variable store
- Buffer - Point to the input buffer
- BufferSize - The number of bytes of the input Buffer
-
-Returns:
- EFI_SUCCESS - The function completed successfully
- EFI_ABORTED - The function could not complete successfully
- EFI_NOT_FOUND - Locate FVB protocol by handle fails
-
---*/
-{
- EFI_STATUS Status;
- EFI_HANDLE FvbHandle;
- EFI_FTW_LITE_PROTOCOL *FtwLiteProtocol;
- EFI_LBA VarLba;
- UINTN VarOffset;
- UINT8 *FtwBuffer;
- UINTN FtwBufferSize;
-
- //
- // Locate fault tolerant write protocol
- //
- Status = gBS->LocateProtocol (
- &gEfiFaultTolerantWriteLiteProtocolGuid,
- NULL,
- (VOID **) &FtwLiteProtocol
- );
- if (EFI_ERROR (Status)) {
- return EFI_NOT_FOUND;
- }
- //
- // Locate Fvb handle by address
- //
- Status = GetFvbHandleByAddress (VariableBase, &FvbHandle);
- if (EFI_ERROR (Status)) {
- return Status;
- }
- //
- // Get LBA and Offset by address
- //
- Status = GetLbaAndOffsetByAddress (VariableBase, &VarLba, &VarOffset);
- if (EFI_ERROR (Status)) {
- return EFI_ABORTED;
- }
- //
- // Prepare for the variable data
- //
- FtwBufferSize = ((VARIABLE_STORE_HEADER *) ((UINTN) VariableBase))->Size;
- FtwBuffer = AllocateRuntimePool (FtwBufferSize);
- if (FtwBuffer == NULL) {
- return EFI_OUT_OF_RESOURCES;
- }
-
- SetMem (FtwBuffer, FtwBufferSize, (UINT8) 0xff);
- CopyMem (FtwBuffer, Buffer, BufferSize);
-
- //
- // FTW write record
- //
- Status = FtwLiteProtocol->Write (
- FtwLiteProtocol,
- FvbHandle,
- VarLba, // LBA
- VarOffset, // Offset
- &FtwBufferSize, // NumBytes,
- FtwBuffer
- );
-
- FreePool (FtwBuffer);
- return Status;
-}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-03 21:18:22 +0000