arch/x86/include/asm/setup.h

   1 #ifndef _ASM_X86_SETUP_H
   2 #define _ASM_X86_SETUP_H
   3
   4 #ifdef __KERNEL__
   5
   6 #define COMMAND_LINE_SIZE 2048
   7
   8 #ifndef __ASSEMBLY__
   9
  10 /*
  11  * Any setup quirks to be performed?
  12  */
  13 struct mpc_cpu;
  14 struct mpc_bus;
  15 struct mpc_oemtable;
  16
  17 struct x86_quirks {
  18         int (*arch_pre_time_init)(void);
  19         int (*arch_time_init)(void);
  20         int (*arch_pre_intr_init)(void);
  21         int (*arch_intr_init)(void);
  22         int (*arch_trap_init)(void);
  23         char * (*arch_memory_setup)(void);
  24         int (*mach_get_smp_config)(unsigned int early);
  25         int (*mach_find_smp_config)(unsigned int reserve);
  26
  27         int *mpc_record;
  28         int (*mpc_apic_id)(struct mpc_cpu *m);
  29         void (*mpc_oem_bus_info)(struct mpc_bus *m, char *name);
  30         void (*mpc_oem_pci_bus)(struct mpc_bus *m);
  31         void (*smp_read_mpc_oem)(struct mpc_oemtable *oemtable,
  32                                 unsigned short oemsize);
  33         int (*setup_ioapic_ids)(void);
  34         int (*update_apic)(void);
  35 };
  36
  37 extern void x86_quirk_pre_intr_init(void);
  38 extern void x86_quirk_intr_init(void);
  39
  40 extern void x86_quirk_trap_init(void);
  41
  42 extern void x86_quirk_pre_time_init(void);
  43 extern void x86_quirk_time_init(void);
  44
  45 #endif /* __ASSEMBLY__ */
  46
  47 #ifdef __i386__
  48
  49 #include <linux/pfn.h>
  50 /*
  51  * Reserved space for vmalloc and iomap - defined in asm/page.h
  52  */
  53 #define MAXMEM_PFN      PFN_DOWN(MAXMEM)
  54 #define MAX_NONPAE_PFN  (1 << 20)
  55
  56 #endif /* __i386__ */
  57
  58 #define PARAM_SIZE 4096         /* sizeof(struct boot_params) */
  59
  60 #define OLD_CL_MAGIC            0xA33F
  61 #define OLD_CL_ADDRESS          0x020   /* Relative to real mode data */
  62 #define NEW_CL_POINTER          0x228   /* Relative to real mode data */
  63
  64 #ifndef __ASSEMBLY__
  65 #include <asm/bootparam.h>
  66
  67 /* Interrupt control for vSMPowered x86_64 systems */
  68 void vsmp_init(void);
  69
  70 void setup_bios_corruption_check(void);
  71
  72 #ifdef CONFIG_X86_VISWS
  73 extern void visws_early_detect(void);
  74 extern int is_visws_box(void);
  75 #else
  76 static inline void visws_early_detect(void) { }
  77 static inline int is_visws_box(void) { return 0; }
  78 #endif
  79
  80 extern int wakeup_secondary_cpu_via_nmi(int apicid, unsigned long start_eip);
  81 extern int wakeup_secondary_cpu_via_init(int apicid, unsigned long start_eip);
  82 extern struct x86_quirks *x86_quirks;
  83 extern unsigned long saved_video_mode;
  84
  85 #ifndef CONFIG_PARAVIRT
  86 #define paravirt_post_allocator_init()  do {} while (0)
  87 #endif
  88
  89 #ifndef _SETUP
  90
  91 /*
  92  * This is set up by the setup-routine at boot-time
  93  */
  94 extern struct boot_params boot_params;
  95
  96 /*
  97  * Do NOT EVER look at the BIOS memory size location.
  98  * It does not work on many machines.
  99  */
 100 #define LOWMEMSIZE()    (0x9f000)
 101
 102 #ifdef __i386__
 103
 104 void __init i386_start_kernel(void);
 105 extern void probe_roms(void);
 106
 107 extern unsigned long init_pg_tables_start;
 108 extern unsigned long init_pg_tables_end;
 109
 110 #else
 111 void __init x86_64_start_kernel(char *real_mode);
 112 void __init x86_64_start_reservations(char *real_mode_data);
 113
 114 #endif /* __i386__ */
 115 #endif /* _SETUP */
 116 #endif /* __ASSEMBLY__ */
 117 #endif  /*  __KERNEL__  */
 118
 119 #endif /* _ASM_X86_SETUP_H */