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Rusty Russellee8e7cf2007-10-22 10:56:19 +10001#ifndef __ASM_E820_H
2#define __ASM_E820_H
3#define E820MAP 0x2d0 /* our map */
4#define E820MAX 128 /* number of entries in E820MAP */
5#define E820NR 0x1e8 /* # entries in E820MAP */
6
7#define E820_RAM 1
8#define E820_RESERVED 2
9#define E820_ACPI 3
10#define E820_NVS 4
11
12#ifndef __ASSEMBLY__
13struct e820entry {
14 __u64 addr; /* start of memory segment */
15 __u64 size; /* size of memory segment */
16 __u32 type; /* type of memory segment */
17} __attribute__((packed));
18
19struct e820map {
20 __u32 nr_map;
21 struct e820entry map[E820MAX];
22};
23#endif /* __ASSEMBLY__ */
24
Ingo Molnar306c1422008-01-30 13:33:08 +010025#define ISA_START_ADDRESS 0xa0000
26#define ISA_END_ADDRESS 0x100000
27
Thomas Gleixner950f9d92008-01-30 13:34:06 +010028#define BIOS_BEGIN 0x000a0000
29#define BIOS_END 0x00100000
30
Rusty Russellee8e7cf2007-10-22 10:56:19 +100031#ifdef __KERNEL__
Thomas Gleixner96a388d2007-10-11 11:20:03 +020032#ifdef CONFIG_X86_32
33# include "e820_32.h"
34#else
35# include "e820_64.h"
36#endif
Rusty Russellee8e7cf2007-10-22 10:56:19 +100037#endif /* __KERNEL__ */
38
39#endif /* __ASM_E820_H */