1#ifndef _ASM_X86_SETUP_H
2#define _ASM_X86_SETUP_H
3
4#define COMMAND_LINE_SIZE 2048
5
6#ifdef __KERNEL__
7
8#ifdef __i386__
9
10#include <linux/pfn.h>
11/*
12 * Reserved space for vmalloc and iomap - defined in asm/page.h
13 */
14#define MAXMEM_PFN	PFN_DOWN(MAXMEM)
15#define MAX_NONPAE_PFN	(1 << 20)
16
17#endif /* __i386__ */
18
19#define PARAM_SIZE 4096		/* sizeof(struct boot_params) */
20
21#define OLD_CL_MAGIC		0xA33F
22#define OLD_CL_ADDRESS		0x020	/* Relative to real mode data */
23#define NEW_CL_POINTER		0x228	/* Relative to real mode data */
24
25#ifndef __ASSEMBLY__
26#include <asm/bootparam.h>
27
28#ifndef _SETUP
29
30/*
31 * This is set up by the setup-routine at boot-time
32 */
33extern struct boot_params boot_params;
34
35#ifdef __i386__
36/*
37 * Do NOT EVER look at the BIOS memory size location.
38 * It does not work on many machines.
39 */
40#define LOWMEMSIZE()	(0x9f000)
41
42struct e820entry;
43
44char * __init machine_specific_memory_setup(void);
45char *memory_setup(void);
46
47int __init copy_e820_map(struct e820entry * biosmap, int nr_map);
48int __init sanitize_e820_map(struct e820entry * biosmap, char * pnr_map);
49void __init add_memory_region(unsigned long long start,
50			      unsigned long long size, int type);
51
52extern unsigned long init_pg_tables_end;
53
54#ifndef CONFIG_PARAVIRT
55#define paravirt_post_allocator_init()	do {} while (0)
56#endif
57
58#endif /* __i386__ */
59#endif /* _SETUP */
60#endif /* __ASSEMBLY__ */
61#endif  /*  __KERNEL__  */
62
63#endif /* _ASM_X86_SETUP_H */
64