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?
22 extern int (*arch_time_init_quirk)(void);
23 extern int (*arch_pre_intr_init_quirk)(void);
24 extern int (*arch_intr_init_quirk)(void);
25 extern int (*arch_trap_init_quirk)(void);
26 extern char * (*arch_memory_setup_quirk)(void);
27 extern int (*mach_get_smp_config_quirk)(unsigned int early);
28 extern int (*mach_find_smp_config_quirk)(unsigned int reserve);
30 #ifndef CONFIG_PARAVIRT
31 #define paravirt_post_allocator_init() do {} while (0)
33 #endif /* __ASSEMBLY__ */
39 #include <linux/pfn.h>
41 * Reserved space for vmalloc and iomap - defined in asm/page.h
43 #define MAXMEM_PFN PFN_DOWN(MAXMEM)
44 #define MAX_NONPAE_PFN (1 << 20)
48 #define PARAM_SIZE 4096 /* sizeof(struct boot_params) */
50 #define OLD_CL_MAGIC 0xA33F
51 #define OLD_CL_ADDRESS 0x020 /* Relative to real mode data */
52 #define NEW_CL_POINTER 0x228 /* Relative to real mode data */
55 #include <asm/bootparam.h>
60 * This is set up by the setup-routine at boot-time
62 extern struct boot_params boot_params;
65 * Do NOT EVER look at the BIOS memory size location.
66 * It does not work on many machines.
68 #define LOWMEMSIZE() (0x9f000)
72 void __init i386_start_kernel(void);
73 extern void probe_roms(void);
75 extern unsigned long init_pg_tables_start;
76 extern unsigned long init_pg_tables_end;
79 void __init x86_64_start_kernel(char *real_mode);
80 void __init x86_64_start_reservations(char *real_mode_data);
84 #endif /* __ASSEMBLY__ */
85 #endif /* __KERNEL__ */
87 #endif /* _ASM_X86_SETUP_H */