From af1a266670d040d2f4083ff309d732d648afba2a Mon Sep 17 00:00:00 2001 From: Angelos Mouzakitis Date: Tue, 10 Oct 2023 14:33:42 +0000 Subject: Add submodule dependency files Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec --- .../MdeModulePkg/Include/Guid/VariableIndexTable.h | 41 ++++++++++++++++++++++ 1 file changed, 41 insertions(+) create mode 100644 roms/edk2/MdeModulePkg/Include/Guid/VariableIndexTable.h (limited to 'roms/edk2/MdeModulePkg/Include/Guid/VariableIndexTable.h') diff --git a/roms/edk2/MdeModulePkg/Include/Guid/VariableIndexTable.h b/roms/edk2/MdeModulePkg/Include/Guid/VariableIndexTable.h new file mode 100644 index 000000000..5d6123330 --- /dev/null +++ b/roms/edk2/MdeModulePkg/Include/Guid/VariableIndexTable.h @@ -0,0 +1,41 @@ +/** @file + The variable data structures are related to EDK II-specific implementation of UEFI variables. + VariableFormat.h defines variable data headers and variable storage region headers. + +Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.
+SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ + +#ifndef __VARIABLE_INDEX_TABLE_H__ +#define __VARIABLE_INDEX_TABLE_H__ + +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 } } + +extern EFI_GUID gEfiVariableIndexTableGuid; + +/// +/// Use this data structure to store variable-related info, which can decrease +/// the cost of access to NV. +/// +typedef struct { + UINT16 Length; + UINT16 GoneThrough; + VARIABLE_HEADER *EndPtr; + VARIABLE_HEADER *StartPtr; + /// + /// This field is used to store the distance of two neighbouring VAR_ADDED type variables. + /// The meaning of the field is implement-dependent. + UINT16 Index[VARIABLE_INDEX_TABLE_VOLUME]; +} VARIABLE_INDEX_TABLE; + +#endif // __VARIABLE_INDEX_TABLE_H__ -- cgit