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/* memory.h - describe the memory map */
/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2002,2007,2008 Free Software Foundation, Inc.
*
* GRUB is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* GRUB is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GRUB. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef GRUB_MEMORY_HEADER
#define GRUB_MEMORY_HEADER 1
#include <grub/types.h>
#include <grub/err.h>
typedef enum grub_memory_type
{
GRUB_MEMORY_AVAILABLE = 1,
GRUB_MEMORY_RESERVED = 2,
GRUB_MEMORY_ACPI = 3,
GRUB_MEMORY_NVS = 4,
GRUB_MEMORY_BADRAM = 5,
GRUB_MEMORY_PERSISTENT = 7,
GRUB_MEMORY_PERSISTENT_LEGACY = 12,
GRUB_MEMORY_COREBOOT_TABLES = 16,
GRUB_MEMORY_CODE = 20,
/* This one is special: it's used internally but is never reported
by firmware. Don't use -1 as it's used internally for other purposes. */
GRUB_MEMORY_HOLE = -2,
GRUB_MEMORY_MAX = 0x10000
} grub_memory_type_t;
typedef int (*grub_memory_hook_t) (grub_uint64_t,
grub_uint64_t,
grub_memory_type_t,
void *);
grub_err_t grub_mmap_iterate (grub_memory_hook_t hook, void *hook_data);
#ifdef GRUB_MACHINE_EFI
grub_err_t
grub_efi_mmap_iterate (grub_memory_hook_t hook, void *hook_data,
int avoid_efi_boot_services);
#endif
#if !defined (GRUB_MACHINE_EMU) && !defined (GRUB_MACHINE_EFI)
grub_err_t EXPORT_FUNC(grub_machine_mmap_iterate) (grub_memory_hook_t hook,
void *hook_data);
#else
grub_err_t grub_machine_mmap_iterate (grub_memory_hook_t hook,
void *hook_data);
#endif
int grub_mmap_register (grub_uint64_t start, grub_uint64_t size, int type);
grub_err_t grub_mmap_unregister (int handle);
void *grub_mmap_malign_and_register (grub_uint64_t align, grub_uint64_t size,
int *handle, int type, int flags);
void grub_mmap_free_and_unregister (int handle);
#ifndef GRUB_MMAP_REGISTER_BY_FIRMWARE
struct grub_mmap_region
{
struct grub_mmap_region *next;
grub_uint64_t start;
grub_uint64_t end;
grub_memory_type_t type;
int handle;
int priority;
};
extern struct grub_mmap_region *grub_mmap_overlays;
#endif
#endif /* ! GRUB_MEMORY_HEADER */
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