mirror of https://github.com/acidanthera/audk.git
154 lines
3.7 KiB
C
154 lines
3.7 KiB
C
/*++
|
|
|
|
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>
|
|
#include <VarMachine.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;
|
|
|
|
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
|