summaryrefslogtreecommitdiffstats
path: root/arch/x86/include/asm/e820.h
blob: 21bc63339e1fe731703e56958ae120ad554d6a2d (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
#ifndef _ASM_X86_E820_H
#define _ASM_X86_E820_H

#define E820MAX		128	/* number of entries in E820MAP */

#define E820_RAM	1
#define E820_RESERVED	2
#define E820_ACPI	3
#define E820_NVS	4
#define E820_UNUSABLE	5

#ifndef __ASSEMBLY__
#include <linux/types.h>

struct e820entry {
	__u64 addr;	/* start of memory segment */
	__u64 size;	/* size of memory segment */
	__u32 type;	/* type of memory segment */
} __attribute__((packed));

#define ISA_START_ADDRESS	0xa0000
#define ISA_END_ADDRESS		0x100000

#endif /* __ASSEMBLY__ */

#endif /* _ASM_X86_E820_H */