arch/all-pc/boot/grub2-aros/include/grub/mm_private.h

   1 /*
   2  *  GRUB  --  GRand Unified Bootloader
   3  *  Copyright (C) 2010  Free Software Foundation, Inc.
   4  *
   5  *  GRUB is free software: you can redistribute it and/or modify
   6  *  it under the terms of the GNU General Public License as published by
   7  *  the Free Software Foundation, either version 3 of the License, or
   8  *  (at your option) any later version.
   9  *
  10  *  GRUB is distributed in the hope that it will be useful,
  11  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  *  GNU General Public License for more details.
  14  *
  15  *  You should have received a copy of the GNU General Public License
  16  *  along with GRUB.  If not, see <http://www.gnu.org/licenses/>.
  17  */
  18
  19 #ifndef GRUB_MM_PRIVATE_H
  20 #define GRUB_MM_PRIVATE_H       1
  21
  22 #include <grub/mm.h>
  23
  24 /* Magic words.  */
  25 #define GRUB_MM_FREE_MAGIC      0x2d3c2808
  26 #define GRUB_MM_ALLOC_MAGIC     0x6db08fa4
  27
  28 typedef struct grub_mm_header
  29 {
  30   struct grub_mm_header *next;
  31   grub_size_t size;
  32   grub_size_t magic;
  33 #if GRUB_CPU_SIZEOF_VOID_P == 4
  34   char padding[4];
  35 #elif GRUB_CPU_SIZEOF_VOID_P == 8
  36   char padding[8];
  37 #else
  38 # error "unknown word size"
  39 #endif
  40 }
  41 *grub_mm_header_t;
  42
  43 #if GRUB_CPU_SIZEOF_VOID_P == 4
  44 # define GRUB_MM_ALIGN_LOG2     4
  45 #elif GRUB_CPU_SIZEOF_VOID_P == 8
  46 # define GRUB_MM_ALIGN_LOG2     5
  47 #endif
  48
  49 #define GRUB_MM_ALIGN   (1 << GRUB_MM_ALIGN_LOG2)
  50
  51 typedef struct grub_mm_region
  52 {
  53   struct grub_mm_header *first;
  54   struct grub_mm_region *next;
  55   grub_size_t pre_size;
  56   grub_size_t size;
  57 }
  58 *grub_mm_region_t;
  59
  60 #ifndef GRUB_MACHINE_EMU
  61 extern grub_mm_region_t EXPORT_VAR (grub_mm_base);
  62 #endif
  63
  64 #endif