ArmPlatformPkg/Include/Guid/ArmGlobalVariableHob.h

   1 /** @file
   2 *
   3 *  Copyright (c) 2011, ARM Limited. All rights reserved.
   4 *
   5 *  This program and the accompanying materials
   6 *  are licensed and made available under the terms and conditions of the BSD License
   7 *  which accompanies this distribution.  The full text of the license may be found at
   8 *  http://opensource.org/licenses/bsd-license.php
   9 *
  10 *  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  11 *  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  12 *
  13 **/
  14
  15 #ifndef __ARM_GLOBAL_VARIABLE_GUID_H__
  16 #define __ARM_GLOBAL_VARIABLE_GUID_H__
  17
  18 #define ARM_HOB_GLOBAL_VARIABLE_GUID  \
  19   { 0xc3253c90, 0xa24f, 0x4599, { 0xa6, 0x64, 0x1f, 0x88, 0x13, 0x77, 0x8f, 0xc9} };
  20
  21 extern EFI_GUID gArmGlobalVariableGuid;
  22
  23 ///
  24 /// Describes all memory ranges used during the HOB producer
  25 /// phase that exist outside the HOB list. This HOB type
  26 /// describes how memory is used, not the physical attributes of memory.
  27 ///
  28 typedef struct {
  29   ///
  30   /// The Guid HOB header. Header.HobType = EFI_HOB_TYPE_GUID_EXTENSION
  31   ///                 and  Header.Name    = gArmGlobalVariableGuid
  32   ///
  33   EFI_HOB_GUID_TYPE            Header;
  34
  35   ///
  36   /// The base address of memory allocated by this HOB. Type
  37   /// EFI_PHYSICAL_ADDRESS is defined in AllocatePages() in the UEFI 2.0
  38   /// specification.
  39   ///
  40   EFI_PHYSICAL_ADDRESS        GlobalVariableBase;
  41
  42   ///
  43   /// The length in bytes of memory allocated by this HOB.
  44   ///
  45   UINT32                      GlobalVariableSize;
  46 } ARM_HOB_GLOBAL_VARIABLE;
  47
  48 #endif