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   1 #ifndef ASM_X86__BOOT_H
   2 #define ASM_X86__BOOT_H
   3
   4 /* Don't touch these, unless you really know what you're doing. */
   5 #define DEF_SYSSEG      0x1000
   6 #define DEF_SYSSIZE     0x7F00
   7
   8 /* Internal svga startup constants */
   9 #define NORMAL_VGA      0xffff          /* 80x25 mode */
  10 #define EXTENDED_VGA    0xfffe          /* 80x50 mode */
  11 #define ASK_VGA         0xfffd          /* ask for it at bootup */
  12
  13 /* Physical address where kernel should be loaded. */
  14 #define LOAD_PHYSICAL_ADDR ((CONFIG_PHYSICAL_START \
  15                                 + (CONFIG_PHYSICAL_ALIGN - 1)) \
  16                                 & ~(CONFIG_PHYSICAL_ALIGN - 1))
  17
  18 #ifdef CONFIG_X86_64
  19 #define BOOT_HEAP_SIZE  0x7000
  20 #define BOOT_STACK_SIZE 0x4000
  21 #else
  22 #define BOOT_HEAP_SIZE  0x4000
  23 #define BOOT_STACK_SIZE 0x1000
  24 #endif
  25
  26 #endif /* ASM_X86__BOOT_H */