audk/MdePkg/Include/Common/PcdTemp.h

92 lines
3.7 KiB
C

/** @file
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.
**/
#ifndef __PCD_TEMP_H__
#define __PCD_TEMP_H__
#define PCD_INVALID_TOKEN ((UINTN)(-1))
/*
* The following structure will be removed soon after the real
* PCD service PEIM and DXE driver are implmented.
*/
///
/// I have rearranged the data so that the variable length items are at the end of the structure
/// and we have a reasonable change of interpreting the other stuff properly.
///
typedef struct {
UINTN Token;
//
// HII Knowledge - non optimized for now
//
UINT8 HiiData; // If TRUE, use Variable Data
UINT8 SKUEnabled; // If TRUE, there might be various SKU data entries for this Token
UINT8 MaxSKUCount; // Up to 256 entries - limits the search space
UINT8 SKUId; // ID of the SKU
GUID VariableGuid; // Variable GUID
UINT32 DatumSize;
UINT64 Datum;
CHAR16 *VariableName; // Null-terminated Variable Name (remember to calculate size)
// We still need Offset information for the variable
// So naturally we can use DatumSize as the Length Field
// And we can overload the use of Datum for the Offset information
VOID *ExtendedData; // VOID* data of size DatumSize
} EMULATED_PCD_ENTRY;
typedef
VOID
(EFIAPI *PCD_TEMP_CALLBACK) (
IN CONST EFI_GUID *CallBackGuid, OPTIONAL
IN UINTN CallBackToken,
IN VOID *TokenData,
IN UINTN TokenDataSize
);
///
/// Used by the PCD Database - never contained in an FFS file
///
typedef struct {
UINTN Token;
//
// HII Knowledge - non optimized for now
//
UINT8 HiiData; // If TRUE, use Variable Data
UINT8 SKUEnabled; // If TRUE, there might be various SKU data entries for this Token
UINT8 MaxSKUCount; // Up to 256 entries - limits the search space
UINT8 SKUId; // ID of the SKU
GUID VariableGuid; // Variable GUID
UINT32 DatumSize;
UINT64 Datum;
CHAR16 *VariableName; // Null-terminated Variable Name (remember to calculate size)
// We still need Offset information for the variable
// So naturally we can use DatumSize as the Length Field
// And we can overload the use of Datum for the Offset information
VOID *ExtendedData; // VOID* data of size DatumSize
PCD_TEMP_CALLBACK *CallBackList;
UINT32 CallBackEntries;
UINT32 CallBackListSize;
} EMULATED_PCD_ENTRY_EX; // This exists to facilitate PCD Database implementation only
typedef struct {
UINTN Count;
EMULATED_PCD_ENTRY_EX Entry[1]; // This exists to facilitate PCD Database implementation only
} EMULATED_PCD_DATABASE_EX;
#endif