mirror of https://github.com/acidanthera/audk.git
163 lines
3.9 KiB
C
163 lines
3.9 KiB
C
/*++
|
|
|
|
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
|
|
//
|
|
|
|
#include <PiDxe.h>
|
|
|
|
#include <Protocol/VariableWrite.h>
|
|
#include <Protocol/Variable.h>
|
|
|
|
#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>
|
|
#include <Library/PcdLib.h>
|
|
#include <VariableFormat.h>
|
|
|
|
#define VARIABLE_STORE_SIZE FixedPcdGet32(PcdVariableStoreSize)
|
|
#define SCRATCH_SIZE FixedPcdGet32(PcdMaxVariableSize)
|
|
|
|
//
|
|
// 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
|