summaryrefslogtreecommitdiff
path: root/include/asm-x86/boot.h
blob: 825de5dc867cb97240a90ba3abc1c2933f3fee07 (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
#ifndef ASM_X86__BOOT_H
#define ASM_X86__BOOT_H

/* Don't touch these, unless you really know what you're doing. */
#define DEF_INITSEG	0x9000
#define DEF_SYSSEG	0x1000
#define DEF_SETUPSEG	0x9020
#define DEF_SYSSIZE	0x7F00

/* Internal svga startup constants */
#define NORMAL_VGA	0xffff		/* 80x25 mode */
#define EXTENDED_VGA	0xfffe		/* 80x50 mode */
#define ASK_VGA		0xfffd		/* ask for it at bootup */

/* Physical address where kernel should be loaded. */
#define LOAD_PHYSICAL_ADDR ((CONFIG_PHYSICAL_START \
				+ (CONFIG_PHYSICAL_ALIGN - 1)) \
				& ~(CONFIG_PHYSICAL_ALIGN - 1))

#ifdef CONFIG_X86_64
#define BOOT_HEAP_SIZE	0x7000
#define BOOT_STACK_SIZE	0x4000
#else
#define BOOT_HEAP_SIZE	0x4000
#define BOOT_STACK_SIZE	0x1000
#endif

#endif /* ASM_X86__BOOT_H */