tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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__
7
8/* Interrupt control for vSMPowered x86_64 systems */
9void vsmp_init(void);
10
11char *machine_specific_memory_setup(void);
12#ifndef CONFIG_PARAVIRT
13#define paravirt_post_allocator_init() do {} while (0)
14#endif
15#endif /* __ASSEMBLY__ */
16
17#ifdef __KERNEL__
18
19#ifdef __i386__
20
21#include <linux/pfn.h>
22/*
23 * Reserved space for vmalloc and iomap - defined in asm/page.h
24 */
25#define MAXMEM_PFN PFN_DOWN(MAXMEM)
26#define MAX_NONPAE_PFN (1 << 20)
27
28#endif /* __i386__ */
29
30#define PARAM_SIZE 4096 /* sizeof(struct boot_params) */
31
32#define OLD_CL_MAGIC 0xA33F
33#define OLD_CL_ADDRESS 0x020 /* Relative to real mode data */
34#define NEW_CL_POINTER 0x228 /* Relative to real mode data */
35
36#ifndef __ASSEMBLY__
37#include <asm/bootparam.h>
38
39#ifndef _SETUP
40
41/*
42 * This is set up by the setup-routine at boot-time
43 */
44extern struct boot_params boot_params;
45
46#ifdef __i386__
47/*
48 * Do NOT EVER look at the BIOS memory size location.
49 * It does not work on many machines.
50 */
51#define LOWMEMSIZE() (0x9f000)
52
53struct e820entry;
54
55char * __init machine_specific_memory_setup(void);
56char *memory_setup(void);
57
58int __init copy_e820_map(struct e820entry *biosmap, int nr_map);
59int __init sanitize_e820_map(struct e820entry *biosmap, char *pnr_map);
60void __init add_memory_region(unsigned long long start,
61 unsigned long long size, int type);
62
63extern unsigned long init_pg_tables_end;
64
65
66
67#endif /* __i386__ */
68#endif /* _SETUP */
69#endif /* __ASSEMBLY__ */
70#endif /* __KERNEL__ */
71
72#endif /* _ASM_X86_SETUP_H */