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authorAl Viro <viro@zeniv.linux.org.uk>2008-08-17 21:05:42 -0400
committerH. Peter Anvin <hpa@zytor.com>2008-10-23 01:55:20 -0400
commitbb8985586b7a906e116db835c64773b7a7d51663 (patch)
treede93ae58e88cc563d95cc124a73f3930594c6100 /arch/x86/include/asm/setup.h
parent8ede0bdb63305d3353efd97e9af6210afb05734e (diff)
x86, um: ... and asm-x86 move
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Diffstat (limited to 'arch/x86/include/asm/setup.h')
-rw-r--r--arch/x86/include/asm/setup.h105
1 files changed, 105 insertions, 0 deletions
diff --git a/arch/x86/include/asm/setup.h b/arch/x86/include/asm/setup.h
new file mode 100644
index 000000000000..11b6cc14b289
--- /dev/null
+++ b/arch/x86/include/asm/setup.h
@@ -0,0 +1,105 @@
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
11#ifdef CONFIG_X86_VISWS
12extern void visws_early_detect(void);
13extern int is_visws_box(void);
14#else
15static inline void visws_early_detect(void) { }
16static inline int is_visws_box(void) { return 0; }
17#endif
18
19/*
20 * Any setup quirks to be performed?
21 */
22struct mpc_config_processor;
23struct mpc_config_bus;
24struct mp_config_oemtable;
25struct x86_quirks {
26 int (*arch_pre_time_init)(void);
27 int (*arch_time_init)(void);
28 int (*arch_pre_intr_init)(void);
29 int (*arch_intr_init)(void);
30 int (*arch_trap_init)(void);
31 char * (*arch_memory_setup)(void);
32 int (*mach_get_smp_config)(unsigned int early);
33 int (*mach_find_smp_config)(unsigned int reserve);
34
35 int *mpc_record;
36 int (*mpc_apic_id)(struct mpc_config_processor *m);
37 void (*mpc_oem_bus_info)(struct mpc_config_bus *m, char *name);
38 void (*mpc_oem_pci_bus)(struct mpc_config_bus *m);
39 void (*smp_read_mpc_oem)(struct mp_config_oemtable *oemtable,
40 unsigned short oemsize);
41 int (*setup_ioapic_ids)(void);
42};
43
44extern struct x86_quirks *x86_quirks;
45extern unsigned long saved_video_mode;
46
47#ifndef CONFIG_PARAVIRT
48#define paravirt_post_allocator_init() do {} while (0)
49#endif
50#endif /* __ASSEMBLY__ */
51
52#ifdef __KERNEL__
53
54#ifdef __i386__
55
56#include <linux/pfn.h>
57/*
58 * Reserved space for vmalloc and iomap - defined in asm/page.h
59 */
60#define MAXMEM_PFN PFN_DOWN(MAXMEM)
61#define MAX_NONPAE_PFN (1 << 20)
62
63#endif /* __i386__ */
64
65#define PARAM_SIZE 4096 /* sizeof(struct boot_params) */
66
67#define OLD_CL_MAGIC 0xA33F
68#define OLD_CL_ADDRESS 0x020 /* Relative to real mode data */
69#define NEW_CL_POINTER 0x228 /* Relative to real mode data */
70
71#ifndef __ASSEMBLY__
72#include <asm/bootparam.h>
73
74#ifndef _SETUP
75
76/*
77 * This is set up by the setup-routine at boot-time
78 */
79extern struct boot_params boot_params;
80
81/*
82 * Do NOT EVER look at the BIOS memory size location.
83 * It does not work on many machines.
84 */
85#define LOWMEMSIZE() (0x9f000)
86
87#ifdef __i386__
88
89void __init i386_start_kernel(void);
90extern void probe_roms(void);
91
92extern unsigned long init_pg_tables_start;
93extern unsigned long init_pg_tables_end;
94
95#else
96void __init x86_64_init_pda(void);
97void __init x86_64_start_kernel(char *real_mode);
98void __init x86_64_start_reservations(char *real_mode_data);
99
100#endif /* __i386__ */
101#endif /* _SETUP */
102#endif /* __ASSEMBLY__ */
103#endif /* __KERNEL__ */
104
105#endif /* ASM_X86__SETUP_H */