processor.h 1.4 KB

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  1. /*
  2. * (C) Copyright 2002
  3. * Daniel Engström, Omicron Ceti AB, daniel@omicron.se
  4. *
  5. * See file CREDITS for list of people who contributed to this
  6. * project.
  7. *
  8. * This program is free software; you can redistribute it and/or
  9. * modify it under the terms of the GNU General Public License as
  10. * published by the Free Software Foundation; either version 2 of
  11. * the License, or (at your option) any later version.
  12. *
  13. * This program is distributed in the hope that it will be useful,
  14. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  16. * GNU General Public License for more details.
  17. *
  18. * You should have received a copy of the GNU General Public License
  19. * along with this program; if not, write to the Free Software
  20. * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  21. * MA 02111-1307 USA
  22. */
  23. #ifndef __ASM_PROCESSOR_H_
  24. #define __ASM_PROCESSOR_H_ 1
  25. #define X86_GDT_ENTRY_SIZE 8
  26. #ifndef __ASSEMBLY__
  27. enum {
  28. X86_GDT_ENTRY_NULL = 0,
  29. X86_GDT_ENTRY_UNUSED,
  30. X86_GDT_ENTRY_32BIT_CS,
  31. X86_GDT_ENTRY_32BIT_DS,
  32. X86_GDT_ENTRY_32BIT_FS,
  33. X86_GDT_ENTRY_16BIT_CS,
  34. X86_GDT_ENTRY_16BIT_DS,
  35. X86_GDT_NUM_ENTRIES
  36. };
  37. #else
  38. /* NOTE: If the above enum is modified, this define must be checked */
  39. #define X86_GDT_ENTRY_32BIT_DS 3
  40. #define X86_GDT_NUM_ENTRIES 7
  41. #endif
  42. #define X86_GDT_SIZE (X86_GDT_NUM_ENTRIES * X86_GDT_ENTRY_SIZE)
  43. #endif