include/asm-x86/boot.h

   1 #ifndef _ASM_BOOT_H
   2 #define _ASM_BOOT_H
   3
   4 /* Don't touch these, unless you really know what you're doing. */
   5 #define DEF_INITSEG     0x9000
   6 #define DEF_SYSSEG      0x1000
   7 #define DEF_SETUPSEG    0x9020
   8 #define DEF_SYSSIZE     0x7F00
   9
  10 /* Internal svga startup constants */
  11 #define NORMAL_VGA      0xffff          /* 80x25 mode */
  12 #define EXTENDED_VGA    0xfffe          /* 80x50 mode */
  13 #define ASK_VGA         0xfffd          /* ask for it at bootup */
  14
  15 /* Physical address where kernel should be loaded. */
  16 #define LOAD_PHYSICAL_ADDR ((CONFIG_PHYSICAL_START \
  17                                 + (CONFIG_PHYSICAL_ALIGN - 1)) \
  18                                 & ~(CONFIG_PHYSICAL_ALIGN - 1))
  19
  20 #ifdef CONFIG_X86_64
  21 #define BOOT_HEAP_SIZE  0x7000
  22 #define BOOT_STACK_SIZE 0x4000
  23 #else
  24 #define BOOT_HEAP_SIZE  0x4000
  25 #define BOOT_STACK_SIZE 0x1000
  26 #endif
  27
  28 #endif /* _ASM_BOOT_H */