include/asm-x86/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 #ifdef CONFIG_X86_VISWS
  12 extern void visws_early_detect(void);
  13 #else
  14 static inline void visws_early_detect(void) { }
  15 #endif
  16
  17 /*
  18  * Any setup quirks to be performed?
  19  */
  20 extern int (*arch_time_init_quirk)(void);
  21 extern int (*arch_pre_intr_init_quirk)(void);
  22 extern int (*arch_intr_init_quirk)(void);
  23 extern int (*arch_trap_init_quirk)(void);
  24 extern char * (*arch_memory_setup_quirk)(void);
  25 extern int (*mach_get_smp_config_quirk)(unsigned int early);
  26 extern int (*mach_find_smp_config_quirk)(unsigned int reserve);
  27
  28 #ifndef CONFIG_PARAVIRT
  29 #define paravirt_post_allocator_init()  do {} while (0)
  30 #endif
  31 #endif /* __ASSEMBLY__ */
  32
  33 #ifdef __KERNEL__
  34
  35 #ifdef __i386__
  36
  37 #include <linux/pfn.h>
  38 /*
  39  * Reserved space for vmalloc and iomap - defined in asm/page.h
  40  */
  41 #define MAXMEM_PFN      PFN_DOWN(MAXMEM)
  42 #define MAX_NONPAE_PFN  (1 << 20)
  43
  44 #endif /* __i386__ */
  45
  46 #define PARAM_SIZE 4096         /* sizeof(struct boot_params) */
  47
  48 #define OLD_CL_MAGIC            0xA33F
  49 #define OLD_CL_ADDRESS          0x020   /* Relative to real mode data */
  50 #define NEW_CL_POINTER          0x228   /* Relative to real mode data */
  51
  52 #ifndef __ASSEMBLY__
  53 #include <asm/bootparam.h>
  54
  55 #ifndef _SETUP
  56
  57 /*
  58  * This is set up by the setup-routine at boot-time
  59  */
  60 extern struct boot_params boot_params;
  61
  62 /*
  63  * Do NOT EVER look at the BIOS memory size location.
  64  * It does not work on many machines.
  65  */
  66 #define LOWMEMSIZE()    (0x9f000)
  67
  68 #ifdef __i386__
  69
  70 void __init i386_start_kernel(void);
  71 extern void probe_roms(void);
  72
  73 extern unsigned long init_pg_tables_start;
  74 extern unsigned long init_pg_tables_end;
  75
  76 #else
  77 void __init x86_64_start_kernel(char *real_mode);
  78 void __init x86_64_start_reservations(char *real_mode_data);
  79
  80 #endif /* __i386__ */
  81 #endif /* _SETUP */
  82 #endif /* __ASSEMBLY__ */
  83 #endif  /*  __KERNEL__  */
  84
  85 #endif /* _ASM_X86_SETUP_H */