include/grub/i386/coreboot/memory.h

   1 /* memory.h - describe the memory map */
   2 /*
   3  *  GRUB  --  GRand Unified Bootloader
   4  *  Copyright (C) 2002,2007  Free Software Foundation, Inc.
   5  *
   6  *  GRUB is free software: you can redistribute it and/or modify
   7  *  it under the terms of the GNU General Public License as published by
   8  *  the Free Software Foundation, either version 3 of the License, or
   9  *  (at your option) any later version.
  10  *
  11  *  GRUB is distributed in the hope that it will be useful,
  12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  *  GNU General Public License for more details.
  15  *
  16  *  You should have received a copy of the GNU General Public License
  17  *  along with GRUB.  If not, see <http://www.gnu.org/licenses/>.
  18  */
  19
  20 #ifndef _GRUB_MEMORY_MACHINE_LB_HEADER
  21 #define _GRUB_MEMORY_MACHINE_LB_HEADER      1
  22
  23 #include <grub/symbol.h>
  24 #include <grub/i386/pc/memory.h>
  25
  26 #ifndef ASM_FILE
  27 #include <grub/types.h>
  28 #endif
  29
  30 #define GRUB_MEMORY_MACHINE_LOWER_USABLE                0x9fc00         /* 640 kiB - 1 kiB */
  31 #define GRUB_MEMORY_MACHINE_LOWER_SIZE                  0xf0000         /* 960 kiB */
  32
  33 #define GRUB_MEMORY_MACHINE_UPPER_START                 0x100000        /* 1 MiB */
  34
  35 #ifndef ASM_FILE
  36
  37 struct grub_linuxbios_table_header
  38 {
  39   char signature[4];
  40   grub_uint32_t size;
  41 };
  42 typedef struct grub_linuxbios_table_header *grub_linuxbios_table_header_t;
  43
  44 struct grub_linuxbios_table_item
  45 {
  46 #define GRUB_LINUXBIOS_MEMBER_UNUSED            0
  47 #define GRUB_LINUXBIOS_MEMBER_MEMORY            1
  48   grub_uint32_t tag;
  49   grub_uint32_t size;
  50 };
  51 typedef struct grub_linuxbios_table_item *grub_linuxbios_table_item_t;
  52
  53 struct grub_linuxbios_mem_region
  54 {
  55   grub_uint64_t addr;
  56   grub_uint64_t size;
  57 #define GRUB_MACHINE_MEMORY_AVAILABLE           1
  58   grub_uint32_t type;
  59 };
  60 typedef struct grub_linuxbios_mem_region *mem_region_t;
  61
  62 void grub_machine_mmap_init (void);
  63
  64 void EXPORT_FUNC(grub_machine_mmap_iterate)
  65      (int NESTED_FUNC_ATTR (*hook) (grub_uint64_t, grub_uint64_t, grub_uint32_t));
  66
  67 #endif
  68
  69 #endif /* ! _GRUB_MEMORY_MACHINE_HEADER */