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ee8e7cfe RR |
1 | #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__ | |
13 | struct 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 | ||
19 | struct e820map { | |
20 | __u32 nr_map; | |
21 | struct e820entry map[E820MAX]; | |
22 | }; | |
23 | #endif /* __ASSEMBLY__ */ | |
24 | ||
306c142f IM |
25 | #define ISA_START_ADDRESS 0xa0000 |
26 | #define ISA_END_ADDRESS 0x100000 | |
bcc643dc | 27 | #define is_ISA_range(s, e) ((s) >= ISA_START_ADDRESS && (e) < ISA_END_ADDRESS) |
306c142f | 28 | |
950f9d95 TG |
29 | #define BIOS_BEGIN 0x000a0000 |
30 | #define BIOS_END 0x00100000 | |
31 | ||
ee8e7cfe | 32 | #ifdef __KERNEL__ |
96a388de TG |
33 | #ifdef CONFIG_X86_32 |
34 | # include "e820_32.h" | |
35 | #else | |
36 | # include "e820_64.h" | |
37 | #endif | |
ee8e7cfe RR |
38 | #endif /* __KERNEL__ */ |
39 | ||
40 | #endif /* __ASM_E820_H */ |