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 #ifdef __KERNEL__
   7
   8 #ifdef __i386__
   9
  10 #include <linux/pfn.h>
  11 /*
  12  * Reserved space for vmalloc and iomap - defined in asm/page.h
  13  */
  14 #define MAXMEM_PFN      PFN_DOWN(MAXMEM)
  15 #define MAX_NONPAE_PFN  (1 << 20)
  16
  17 #endif /* __i386__ */
  18
  19 #define PARAM_SIZE 4096         /* sizeof(struct boot_params) */
  20
  21 #define OLD_CL_MAGIC            0xA33F
  22 #define OLD_CL_ADDRESS          0x020   /* Relative to real mode data */
  23 #define NEW_CL_POINTER          0x228   /* Relative to real mode data */
  24
  25 #ifndef __ASSEMBLY__
  26 #include <asm/bootparam.h>
  27
  28 #ifndef _SETUP
  29
  30 /*
  31  * This is set up by the setup-routine at boot-time
  32  */
  33 extern struct boot_params boot_params;
  34
  35 #ifdef __i386__
  36 /*
  37  * Do NOT EVER look at the BIOS memory size location.
  38  * It does not work on many machines.
  39  */
  40 #define LOWMEMSIZE()    (0x9f000)
  41
  42 struct e820entry;
  43
  44 char * __init machine_specific_memory_setup(void);
  45 char *memory_setup(void);
  46
  47 int __init copy_e820_map(struct e820entry * biosmap, int nr_map);
  48 int __init sanitize_e820_map(struct e820entry * biosmap, char * pnr_map);
  49 void __init add_memory_region(unsigned long long start,
  50                               unsigned long long size, int type);
  51
  52 extern unsigned long init_pg_tables_end;
  53
  54 #ifndef CONFIG_PARAVIRT
  55 #define paravirt_post_allocator_init()  do {} while (0)
  56 #endif
  57
  58 #endif /* __i386__ */
  59 #endif /* _SETUP */
  60 #endif /* __ASSEMBLY__ */
  61 #endif  /*  __KERNEL__  */
  62
  63 #endif /* _ASM_X86_SETUP_H */