blob: 9d8f1ba9601d814680f9102f4c1da7592b4993e0 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
|
#ifndef __E820_HEADER
#define __E820_HEADER
/*
* PC BIOS standard E820 types and structure.
*/
#define E820_RAM 1
#define E820_RESERVED 2
#define E820_ACPI 3
#define E820_NVS 4
#define E820_UNUSABLE 5
struct __packed e820entry {
uint64_t addr;
uint64_t size;
uint32_t type;
};
#define E820MAX 1024
struct e820map {
unsigned int nr_map;
struct e820entry map[E820MAX];
};
extern int sanitize_e820_map(struct e820entry *biosmap, unsigned int *pnr_map);
extern int e820_all_mapped(u64 start, u64 end, unsigned type);
extern int reserve_e820_ram(struct e820map *e820, uint64_t s, uint64_t e);
extern int e820_change_range_type(
struct e820map *e820, uint64_t s, uint64_t e,
uint32_t orig_type, uint32_t new_type);
extern int e820_add_range(
struct e820map *, uint64_t s, uint64_t e, uint32_t type);
extern unsigned long init_e820(const char *, struct e820map *);
extern struct e820map e820;
extern struct e820map e820_raw;
/* These symbols live in the boot trampoline. */
extern struct e820map bios_e820map[];
extern unsigned int bios_e820nr;
#endif /*__E820_HEADER*/
|
