2 * GRUB -- GRand Unified Bootloader
3 * Copyright (C) 2009 Free Software Foundation, Inc.
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.
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.
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/>.
19 #ifndef GRUB_MEMORY_CPU_HEADER
20 #define GRUB_MEMORY_CPU_HEADER 1
23 #include <grub/symbol.h>
25 #include <grub/types.h>
28 #define GRUB_ARCH_LOWMEMVSTART 0x80000000
29 #define GRUB_ARCH_LOWMEMPSTART 0x00000000
30 #define GRUB_ARCH_LOWMEMMAXSIZE 0x10000000
31 #define GRUB_ARCH_HIGHMEMPSTART 0x10000000
35 typedef grub_addr_t grub_phys_addr_t
;
37 static inline grub_phys_addr_t
40 return ((grub_phys_addr_t
) a
) & 0x1fffffff;
44 grub_map_memory (grub_phys_addr_t a
, grub_size_t size
__attribute__ ((unused
)))
46 return (void *) (a
| 0x80000000);
50 grub_unmap_memory (void *a
__attribute__ ((unused
)),
51 grub_size_t size
__attribute__ ((unused
)))
55 grub_uint64_t
grub_mmap_get_lower (void);
56 grub_uint64_t
grub_mmap_get_upper (void);