1 #ifndef _ASM_X86_SETUP_H
2 #define _ASM_X86_SETUP_H
4 #define COMMAND_LINE_SIZE 2048
8 /* Interrupt control for vSMPowered x86_64 systems */
11 #ifdef CONFIG_X86_VISWS
12 extern void visws_early_detect(void);
13 extern int is_visws_box(void);
15 static inline void visws_early_detect(void) { }
16 static inline int is_visws_box(void) { return 0; }
20 * Any setup quirks to be performed?
23 int (*arch_time_init)(void);
24 int (*arch_pre_intr_init)(void);
25 int (*arch_intr_init)(void);
26 int (*arch_trap_init)(void);
27 char * (*arch_memory_setup)(void);
28 int (*mach_get_smp_config)(unsigned int early);
29 int (*mach_find_smp_config)(unsigned int reserve);
32 extern struct x86_quirks *x86_quirks;
34 #ifndef CONFIG_PARAVIRT
35 #define paravirt_post_allocator_init() do {} while (0)
37 #endif /* __ASSEMBLY__ */
43 #include <linux/pfn.h>
45 * Reserved space for vmalloc and iomap - defined in asm/page.h
47 #define MAXMEM_PFN PFN_DOWN(MAXMEM)
48 #define MAX_NONPAE_PFN (1 << 20)
52 #define PARAM_SIZE 4096 /* sizeof(struct boot_params) */
54 #define OLD_CL_MAGIC 0xA33F
55 #define OLD_CL_ADDRESS 0x020 /* Relative to real mode data */
56 #define NEW_CL_POINTER 0x228 /* Relative to real mode data */
59 #include <asm/bootparam.h>
64 * This is set up by the setup-routine at boot-time
66 extern struct boot_params boot_params;
69 * Do NOT EVER look at the BIOS memory size location.
70 * It does not work on many machines.
72 #define LOWMEMSIZE() (0x9f000)
76 void __init i386_start_kernel(void);
77 extern void probe_roms(void);
79 extern unsigned long init_pg_tables_start;
80 extern unsigned long init_pg_tables_end;
83 void __init x86_64_start_kernel(char *real_mode);
84 void __init x86_64_start_reservations(char *real_mode_data);
88 #endif /* __ASSEMBLY__ */
89 #endif /* __KERNEL__ */
91 #endif /* _ASM_X86_SETUP_H */