StandaloneMmPkg/Core/StandaloneMmCorePrivateData.h

   1 /** @file
   2   The internal header file that declared a data structure that is shared
   3   between the MM IPL and the MM Core.
   4
   5   Copyright (c) 2009 - 2014, Intel Corporation. All rights reserved.<BR>
   6   Copyright (c) 2016 - 2018, ARM Limited. All rights reserved.<BR>
   7   SPDX-License-Identifier: BSD-2-Clause-Patent
   8
   9 **/
  10
  11 #ifndef _STANDALONE_MM_CORE_PRIVATE_DATA_H_
  12 #define _STANDALONE_MM_CORE_PRIVATE_DATA_H_
  13
  14 #include <Guid/MmCoreData.h>
  15
  16 //
  17 // Page management
  18 //
  19
  20 typedef struct {
  21   LIST_ENTRY  Link;
  22   UINTN       NumberOfPages;
  23 } FREE_PAGE_LIST;
  24
  25 extern LIST_ENTRY  mMmMemoryMap;
  26
  27 //
  28 // Pool management
  29 //
  30
  31 //
  32 // MIN_POOL_SHIFT must not be less than 5
  33 //
  34 #define MIN_POOL_SHIFT  6
  35 #define MIN_POOL_SIZE   (1 << MIN_POOL_SHIFT)
  36
  37 //
  38 // MAX_POOL_SHIFT must not be less than EFI_PAGE_SHIFT - 1
  39 //
  40 #define MAX_POOL_SHIFT  (EFI_PAGE_SHIFT - 1)
  41 #define MAX_POOL_SIZE   (1 << MAX_POOL_SHIFT)
  42
  43 //
  44 // MAX_POOL_INDEX are calculated by maximum and minimum pool sizes
  45 //
  46 #define MAX_POOL_INDEX  (MAX_POOL_SHIFT - MIN_POOL_SHIFT + 1)
  47
  48 typedef struct {
  49   UINTN        Size;
  50   BOOLEAN      Available;
  51 } POOL_HEADER;
  52
  53 typedef struct {
  54   POOL_HEADER  Header;
  55   LIST_ENTRY   Link;
  56 } FREE_POOL_HEADER;
  57
  58 extern LIST_ENTRY  mMmPoolLists[MAX_POOL_INDEX];
  59
  60 #endif