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/*++
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.h
Abstract:
Tiano PEIM to provide the variable functionality
--*/
#ifndef _PEI_VARIABLE_H
#define _PEI_VARIABLE_H
//
// BugBug: We need relcate the head file.
//
#include <Common/Variable.h>
#define ALIGNMENT 1
//
// 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;
extern EFI_GUID gEfiVariableIndexTableGuid;
//
// 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 EFI_PEI_SERVICES **PeiServices,
IN CHAR16 *VariableName,
IN EFI_GUID * VendorGuid,
OUT UINT32 *Attributes OPTIONAL,
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 EFI_PEI_SERVICES **PeiServices,
IN OUT UINTN *VariableNameSize,
IN OUT CHAR16 *VariableName,
IN OUT EFI_GUID *VendorGuid
)
/*++
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
--*/
;
#endif // _PEI_VARIABLE_H
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