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   This program and the accompanying materials are licensed and made available
   8   under the terms and conditions of the BSD License which accompanies this
   9   distribution.  The full text of the license may be found at
  10   http://opensource.org/licenses/bsd-license.php
  11
  12   THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  13   WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  14
  15 **/
  16
  17 #ifndef _STANDALONE_MM_CORE_PRIVATE_DATA_H_
  18 #define _STANDALONE_MM_CORE_PRIVATE_DATA_H_
  19
  20 #include <Guid/MmCoreData.h>
  21
  22 //
  23 // Page management
  24 //
  25
  26 typedef struct {
  27   LIST_ENTRY  Link;
  28   UINTN       NumberOfPages;
  29 } FREE_PAGE_LIST;
  30
  31 extern LIST_ENTRY  mMmMemoryMap;
  32
  33 //
  34 // Pool management
  35 //
  36
  37 //
  38 // MIN_POOL_SHIFT must not be less than 5
  39 //
  40 #define MIN_POOL_SHIFT  6
  41 #define MIN_POOL_SIZE   (1 << MIN_POOL_SHIFT)
  42
  43 //
  44 // MAX_POOL_SHIFT must not be less than EFI_PAGE_SHIFT - 1
  45 //
  46 #define MAX_POOL_SHIFT  (EFI_PAGE_SHIFT - 1)
  47 #define MAX_POOL_SIZE   (1 << MAX_POOL_SHIFT)
  48
  49 //
  50 // MAX_POOL_INDEX are calculated by maximum and minimum pool sizes
  51 //
  52 #define MAX_POOL_INDEX  (MAX_POOL_SHIFT - MIN_POOL_SHIFT + 1)
  53
  54 typedef struct {
  55   UINTN        Size;
  56   BOOLEAN      Available;
  57 } POOL_HEADER;
  58
  59 typedef struct {
  60   POOL_HEADER  Header;
  61   LIST_ENTRY   Link;
  62 } FREE_POOL_HEADER;
  63
  64 extern LIST_ENTRY  mMmPoolLists[MAX_POOL_INDEX];
  65
  66 #endif