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H. Peter Anvin1965aae2008-10-22 22:26:29 -07001#ifndef _ASM_X86_SETUP_H
2#define _ASM_X86_SETUP_H
Thomas Gleixneref685292007-10-23 22:37:24 +02003
Cyrill Gorcunovdbca1df2009-01-14 23:37:50 +03004#ifdef __KERNEL__
5
Thomas Gleixneref685292007-10-23 22:37:24 +02006#define COMMAND_LINE_SIZE 2048
7
Glauber de Oliveira Costa746ef0c2008-01-30 13:31:11 +01008#ifndef __ASSEMBLY__
Glauber Costa2785c8d2008-02-11 17:16:03 -02009
Ingo Molnar3b335532008-07-10 17:30:40 +020010/*
11 * Any setup quirks to be performed?
12 */
Jaswinder Singh Rajputf4f21b72009-01-03 15:48:52 +053013struct mpc_cpu;
Jaswinder Singh Rajput00fb8602009-01-03 15:47:32 +053014struct mpc_bus;
Jaswinder Singh Rajputb0e239f2009-01-03 15:52:54 +053015struct mpc_oemtable;
Ingo Molnar8e6dafd2009-02-23 00:34:39 +010016
Yinghai Lu3c9cb6d2008-07-19 02:07:25 -070017struct x86_quirks {
Yinghai Lu63b5d7a2008-07-19 18:02:26 -070018 int (*arch_pre_time_init)(void);
Yinghai Lu3c9cb6d2008-07-19 02:07:25 -070019 int (*arch_time_init)(void);
20 int (*arch_pre_intr_init)(void);
21 int (*arch_intr_init)(void);
22 int (*arch_trap_init)(void);
23 char * (*arch_memory_setup)(void);
24 int (*mach_get_smp_config)(unsigned int early);
25 int (*mach_find_smp_config)(unsigned int reserve);
Yinghai Lu64898a82008-07-19 18:01:16 -070026
27 int *mpc_record;
Jaswinder Singh Rajputf4f21b72009-01-03 15:48:52 +053028 int (*mpc_apic_id)(struct mpc_cpu *m);
Jaswinder Singh Rajput00fb8602009-01-03 15:47:32 +053029 void (*mpc_oem_bus_info)(struct mpc_bus *m, char *name);
30 void (*mpc_oem_pci_bus)(struct mpc_bus *m);
Jaswinder Singh Rajputb0e239f2009-01-03 15:52:54 +053031 void (*smp_read_mpc_oem)(struct mpc_oemtable *oemtable,
Cyrill Gorcunovdbca1df2009-01-14 23:37:50 +030032 unsigned short oemsize);
Yinghai Lua4dbc342008-07-25 02:14:28 -070033 int (*setup_ioapic_ids)(void);
Yinghai Lu3c9cb6d2008-07-19 02:07:25 -070034};
35
Ingo Molnar8e6dafd2009-02-23 00:34:39 +010036extern void x86_quirk_pre_intr_init(void);
37extern void x86_quirk_intr_init(void);
38
39extern void x86_quirk_trap_init(void);
40
41extern void x86_quirk_pre_time_init(void);
42extern void x86_quirk_time_init(void);
43
Glauber de Oliveira Costa746ef0c2008-01-30 13:31:11 +010044#endif /* __ASSEMBLY__ */
45
Thomas Gleixneref685292007-10-23 22:37:24 +020046#ifdef __i386__
47
48#include <linux/pfn.h>
49/*
50 * Reserved space for vmalloc and iomap - defined in asm/page.h
51 */
52#define MAXMEM_PFN PFN_DOWN(MAXMEM)
53#define MAX_NONPAE_PFN (1 << 20)
54
Thomas Gleixneref685292007-10-23 22:37:24 +020055#endif /* __i386__ */
56
H. Peter Anvinfa76dab2007-10-23 22:37:25 +020057#define PARAM_SIZE 4096 /* sizeof(struct boot_params) */
58
59#define OLD_CL_MAGIC 0xA33F
60#define OLD_CL_ADDRESS 0x020 /* Relative to real mode data */
61#define NEW_CL_POINTER 0x228 /* Relative to real mode data */
62
Thomas Gleixneref685292007-10-23 22:37:24 +020063#ifndef __ASSEMBLY__
64#include <asm/bootparam.h>
65
Jaswinder Singh Rajput15c55442009-02-02 21:59:19 +053066/* Interrupt control for vSMPowered x86_64 systems */
Yinghai Lu129d8bc2009-02-25 21:20:50 -080067#ifdef CONFIG_X86_VSMP
Jaswinder Singh Rajput15c55442009-02-02 21:59:19 +053068void vsmp_init(void);
Yinghai Lu129d8bc2009-02-25 21:20:50 -080069#else
70static inline void vsmp_init(void) { }
71#endif
Jaswinder Singh Rajput15c55442009-02-02 21:59:19 +053072
73void setup_bios_corruption_check(void);
74
75#ifdef CONFIG_X86_VISWS
76extern void visws_early_detect(void);
77extern int is_visws_box(void);
78#else
79static inline void visws_early_detect(void) { }
80static inline int is_visws_box(void) { return 0; }
81#endif
82
Jaswinder Singh Rajput15c55442009-02-02 21:59:19 +053083extern struct x86_quirks *x86_quirks;
84extern unsigned long saved_video_mode;
85
86#ifndef CONFIG_PARAVIRT
87#define paravirt_post_allocator_init() do {} while (0)
88#endif
89
H. Peter Anvinfa76dab2007-10-23 22:37:25 +020090#ifndef _SETUP
91
Thomas Gleixneref685292007-10-23 22:37:24 +020092/*
93 * This is set up by the setup-routine at boot-time
94 */
95extern struct boot_params boot_params;
96
Thomas Gleixneref685292007-10-23 22:37:24 +020097/*
98 * Do NOT EVER look at the BIOS memory size location.
99 * It does not work on many machines.
100 */
101#define LOWMEMSIZE() (0x9f000)
102
Jeremy Fitzhardinge93dbda72009-02-26 17:35:44 -0800103/* exceedingly early brk-like allocator */
104extern unsigned long _brk_end;
105void *extend_brk(size_t size, size_t align);
106
Yinghai Lu95a71a42008-06-18 17:27:08 -0700107#ifdef __i386__
108
Yinghai Luf0d43102008-05-29 12:56:36 -0700109void __init i386_start_kernel(void);
Yinghai Lua9c11822008-06-21 15:39:41 -0700110extern void probe_roms(void);
Yinghai Luf0d43102008-05-29 12:56:36 -0700111
112extern unsigned long init_pg_tables_start;
Thomas Gleixneref685292007-10-23 22:37:24 +0200113extern unsigned long init_pg_tables_end;
114
Jeremy Fitzhardinge102e3b82008-06-25 00:19:09 -0400115#else
116void __init x86_64_start_kernel(char *real_mode);
Jeremy Fitzhardingef97013f2008-06-25 00:19:18 -0400117void __init x86_64_start_reservations(char *real_mode_data);
118
Thomas Gleixneref685292007-10-23 22:37:24 +0200119#endif /* __i386__ */
H. Peter Anvinfa76dab2007-10-23 22:37:25 +0200120#endif /* _SETUP */
Thomas Gleixneref685292007-10-23 22:37:24 +0200121#endif /* __ASSEMBLY__ */
122#endif /* __KERNEL__ */
123
H. Peter Anvin1965aae2008-10-22 22:26:29 -0700124#endif /* _ASM_X86_SETUP_H */