arch/x86/include/asm/setup.h

   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 */
   9 void vsmp_init(void);
  10
  11
  12 void setup_bios_corruption_check(void);
  13
  14
  15 #ifdef CONFIG_X86_VISWS
  16 extern void visws_early_detect(void);
  17 extern int is_visws_box(void);
  18 #else
  19 static inline void visws_early_detect(void) { }
  20 static inline int is_visws_box(void) { return 0; }
  21 #endif
  22
  23 extern int wakeup_secondary_cpu_via_nmi(int apicid, unsigned long start_eip);
  24 extern int wakeup_secondary_cpu_via_init(int apicid, unsigned long start_eip);
  25 /*
  26  * Any setup quirks to be performed?
  27  */
  28 struct mpc_config_processor;
  29 struct mpc_config_bus;
  30 struct mp_config_oemtable;
  31 struct x86_quirks {
  32         int (*arch_pre_time_init)(void);
  33         int (*arch_time_init)(void);
  34         int (*arch_pre_intr_init)(void);
  35         int (*arch_intr_init)(void);
  36         int (*arch_trap_init)(void);
  37         char * (*arch_memory_setup)(void);
  38         int (*mach_get_smp_config)(unsigned int early);
  39         int (*mach_find_smp_config)(unsigned int reserve);
  40
  41         int *mpc_record;
  42         int (*mpc_apic_id)(struct mpc_config_processor *m);
  43         void (*mpc_oem_bus_info)(struct mpc_config_bus *m, char *name);
  44         void (*mpc_oem_pci_bus)(struct mpc_config_bus *m);
  45         void (*smp_read_mpc_oem)(struct mp_config_oemtable *oemtable,
  46                                     unsigned short oemsize);
  47         int (*setup_ioapic_ids)(void);
  48         int (*update_genapic)(void);
  49 };
  50
  51 extern struct x86_quirks *x86_quirks;
  52 extern unsigned long saved_video_mode;
  53
  54 #ifndef CONFIG_PARAVIRT
  55 #define paravirt_post_allocator_init()  do {} while (0)
  56 #endif
  57 #endif /* __ASSEMBLY__ */
  58
  59 #ifdef __KERNEL__
  60
  61 #ifdef __i386__
  62
  63 #include <linux/pfn.h>
  64 /*
  65  * Reserved space for vmalloc and iomap - defined in asm/page.h
  66  */
  67 #define MAXMEM_PFN      PFN_DOWN(MAXMEM)
  68 #define MAX_NONPAE_PFN  (1 << 20)
  69
  70 #endif /* __i386__ */
  71
  72 #define PARAM_SIZE 4096         /* sizeof(struct boot_params) */
  73
  74 #define OLD_CL_MAGIC            0xA33F
  75 #define OLD_CL_ADDRESS          0x020   /* Relative to real mode data */
  76 #define NEW_CL_POINTER          0x228   /* Relative to real mode data */
  77
  78 #ifndef __ASSEMBLY__
  79 #include <asm/bootparam.h>
  80
  81 #ifndef _SETUP
  82
  83 /*
  84  * This is set up by the setup-routine at boot-time
  85  */
  86 extern struct boot_params boot_params;
  87
  88 /*
  89  * Do NOT EVER look at the BIOS memory size location.
  90  * It does not work on many machines.
  91  */
  92 #define LOWMEMSIZE()    (0x9f000)
  93
  94 #ifdef __i386__
  95
  96 void __init i386_start_kernel(void);
  97 extern void probe_roms(void);
  98
  99 extern unsigned long init_pg_tables_start;
 100 extern unsigned long init_pg_tables_end;
 101
 102 #else
 103 void __init x86_64_init_pda(void);
 104 void __init x86_64_start_kernel(char *real_mode);
 105 void __init x86_64_start_reservations(char *real_mode_data);
 106
 107 #endif /* __i386__ */
 108 #endif /* _SETUP */
 109 #endif /* __ASSEMBLY__ */
 110 #endif  /*  __KERNEL__  */
 111
 112 #endif /* _ASM_X86_SETUP_H */