1 #ifndef _ASM_X86_SETUP_H
2 #define _ASM_X86_SETUP_H
6 #define COMMAND_LINE_SIZE 2048
10 #include <asm/x86_init.h>
13 * Any setup quirks to be performed?
19 int (*arch_pre_time_init)(void);
20 int (*arch_time_init)(void);
21 int (*arch_pre_intr_init)(void);
22 int (*arch_intr_init)(void);
23 int (*arch_trap_init)(void);
24 int (*mach_get_smp_config)(unsigned int early);
25 int (*mach_find_smp_config)(unsigned int reserve);
27 void (*mpc_oem_bus_info)(struct mpc_bus *m, char *name);
28 void (*mpc_oem_pci_bus)(struct mpc_bus *m);
29 void (*smp_read_mpc_oem)(struct mpc_oemtable *oemtable,
30 unsigned short oemsize);
33 extern void x86_quirk_intr_init(void);
35 extern void x86_quirk_trap_init(void);
37 extern void x86_quirk_pre_time_init(void);
38 extern void x86_quirk_time_init(void);
40 #endif /* __ASSEMBLY__ */
44 #include <linux/pfn.h>
46 * Reserved space for vmalloc and iomap - defined in asm/page.h
48 #define MAXMEM_PFN PFN_DOWN(MAXMEM)
49 #define MAX_NONPAE_PFN (1 << 20)
53 #define PARAM_SIZE 4096 /* sizeof(struct boot_params) */
55 #define OLD_CL_MAGIC 0xA33F
56 #define OLD_CL_ADDRESS 0x020 /* Relative to real mode data */
57 #define NEW_CL_POINTER 0x228 /* Relative to real mode data */
60 #include <asm/bootparam.h>
62 /* Interrupt control for vSMPowered x86_64 systems */
66 static inline void vsmp_init(void) { }
69 void setup_bios_corruption_check(void);
71 #ifdef CONFIG_X86_VISWS
72 extern void visws_early_detect(void);
73 extern int is_visws_box(void);
75 static inline void visws_early_detect(void) { }
76 static inline int is_visws_box(void) { return 0; }
79 extern struct x86_quirks *x86_quirks;
80 extern unsigned long saved_video_mode;
82 #ifndef CONFIG_PARAVIRT
83 #define paravirt_post_allocator_init() do {} while (0)
86 extern void reserve_standard_io_resources(void);
87 extern void i386_reserve_resources(void);
92 * This is set up by the setup-routine at boot-time
94 extern struct boot_params boot_params;
97 * Do NOT EVER look at the BIOS memory size location.
98 * It does not work on many machines.
100 #define LOWMEMSIZE() (0x9f000)
102 /* exceedingly early brk-like allocator */
103 extern unsigned long _brk_end;
104 void *extend_brk(size_t size, size_t align);
107 * Reserve space in the brk section. The name must be unique within
108 * the file, and somewhat descriptive. The size is in bytes. Must be
109 * used at file scope.
111 * (This uses a temp function to wrap the asm so we can pass it the
112 * size parameter; otherwise we wouldn't be able to. We can't use a
113 * "section" attribute on a normal variable because it always ends up
114 * being @progbits, which ends up allocating space in the vmlinux
117 #define RESERVE_BRK(name,sz) \
118 static void __section(.discard) __used \
119 __brk_reservation_fn_##name##__(void) { \
121 ".pushsection .brk_reservation,\"aw\",@nobits;" \
124 " .size .brk." #name ", . - 1b;" \
131 void __init i386_start_kernel(void);
132 extern void probe_roms(void);
135 void __init x86_64_start_kernel(char *real_mode);
136 void __init x86_64_start_reservations(char *real_mode_data);
138 #endif /* __i386__ */
141 #define RESERVE_BRK(name,sz) \
142 .pushsection .brk_reservation,"aw",@nobits; \
145 .size .brk.name,.-1b; \
147 #endif /* __ASSEMBLY__ */
148 #endif /* __KERNEL__ */
150 #endif /* _ASM_X86_SETUP_H */