git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@5028 6f19259b-4bc3-4df7-8a09-765794883524
		
			
				
	
	
		
			160 lines
		
	
	
		
			4.0 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			160 lines
		
	
	
		
			4.0 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /** @file
 | |
| 
 | |
|   The internal header file includes the common header files, defines
 | |
|   internal structure and functions used by EmuVariable module.
 | |
| 
 | |
| Copyright (c) 2006 - 2008, 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.
 | |
| 
 | |
| **/
 | |
| 
 | |
| #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
 |