Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
1#ifndef _ASM_X86_SETUP_H
2#define _ASM_X86_SETUP_H
3
4#define COMMAND_LINE_SIZE 2048
5
6#ifndef __ASSEMBLY__
7char *machine_specific_memory_setup(void);
8#ifndef CONFIG_PARAVIRT
9#define paravirt_post_allocator_init() do {} while (0)
10#endif
11#endif /* __ASSEMBLY__ */
12
13#ifdef __KERNEL__
14
15#ifdef __i386__
16
17#include <linux/pfn.h>
18/*
19 * Reserved space for vmalloc and iomap - defined in asm/page.h
20 */
21#define MAXMEM_PFN PFN_DOWN(MAXMEM)
22#define MAX_NONPAE_PFN (1 << 20)
23
24#endif /* __i386__ */
25
26#define PARAM_SIZE 4096 /* sizeof(struct boot_params) */
27
28#define OLD_CL_MAGIC 0xA33F
29#define OLD_CL_ADDRESS 0x020 /* Relative to real mode data */
30#define NEW_CL_POINTER 0x228 /* Relative to real mode data */
31
32#ifndef __ASSEMBLY__
33#include <asm/bootparam.h>
34
35#ifndef _SETUP
36
37/*
38 * This is set up by the setup-routine at boot-time
39 */
40extern struct boot_params boot_params;
41
42#ifdef __i386__
43/*
44 * Do NOT EVER look at the BIOS memory size location.
45 * It does not work on many machines.
46 */
47#define LOWMEMSIZE() (0x9f000)
48
49struct e820entry;
50
51char * __init machine_specific_memory_setup(void);
52char *memory_setup(void);
53
54int __init copy_e820_map(struct e820entry * biosmap, int nr_map);
55int __init sanitize_e820_map(struct e820entry * biosmap, char * pnr_map);
56void __init add_memory_region(unsigned long long start,
57 unsigned long long size, int type);
58
59extern unsigned long init_pg_tables_end;
60
61
62
63#endif /* __i386__ */
64#endif /* _SETUP */
65#endif /* __ASSEMBLY__ */
66#endif /* __KERNEL__ */
67
68#endif /* _ASM_X86_SETUP_H */