boot.h 997 B

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  1. #ifndef _ASM_X86_BOOT_H
  2. #define _ASM_X86_BOOT_H
  3. #include <asm/pgtable_types.h>
  4. #include <uapi/asm/boot.h>
  5. /* Physical address where kernel should be loaded. */
  6. #define LOAD_PHYSICAL_ADDR ((CONFIG_PHYSICAL_START \
  7. + (CONFIG_PHYSICAL_ALIGN - 1)) \
  8. & ~(CONFIG_PHYSICAL_ALIGN - 1))
  9. /* Minimum kernel alignment, as a power of two */
  10. #ifdef CONFIG_X86_64
  11. #define MIN_KERNEL_ALIGN_LG2 PMD_SHIFT
  12. #else
  13. #define MIN_KERNEL_ALIGN_LG2 (PAGE_SHIFT + THREAD_SIZE_ORDER)
  14. #endif
  15. #define MIN_KERNEL_ALIGN (_AC(1, UL) << MIN_KERNEL_ALIGN_LG2)
  16. #if (CONFIG_PHYSICAL_ALIGN & (CONFIG_PHYSICAL_ALIGN-1)) || \
  17. (CONFIG_PHYSICAL_ALIGN < MIN_KERNEL_ALIGN)
  18. #error "Invalid value for CONFIG_PHYSICAL_ALIGN"
  19. #endif
  20. #ifdef CONFIG_KERNEL_BZIP2
  21. #define BOOT_HEAP_SIZE 0x400000
  22. #else /* !CONFIG_KERNEL_BZIP2 */
  23. #define BOOT_HEAP_SIZE 0x8000
  24. #endif /* !CONFIG_KERNEL_BZIP2 */
  25. #ifdef CONFIG_X86_64
  26. #define BOOT_STACK_SIZE 0x4000
  27. #else
  28. #define BOOT_STACK_SIZE 0x1000
  29. #endif
  30. #endif /* _ASM_X86_BOOT_H */