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asm
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isadep.h

isadep.h 564 B
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  1. /*
    2. 

  2.  * Various ISA level dependent constants.
    3. 

  3.  * Most of the following constants reflect the different layout
    4. 

  4.  * of Coprocessor 0 registers.
    5. 

  5.  *
    6. 

  6.  * Copyright (c) 1998 Harald Koerfgen
    7. 

  7.  */
    8. 

  8. 

  9. #ifndef __ASM_ISADEP_H
    10. 

  10. #define __ASM_ISADEP_H
    11. 

  11. 

  12. #if defined(CONFIG_CPU_R3000) || defined(CONFIG_CPU_TX39XX)
    13. 

  13. /*
    14. 

  14.  * R2000 or R3000
    15. 

  15.  */
    16. 

  16. 

  17. /*
    18. 

  18.  * kernel or user mode? (CP0_STATUS)
    19. 

  19.  */
    20. 

  20. #define KU_MASK 0x08
    21. 

  21. #define KU_USER 0x08
    22. 

  22. #define KU_KERN 0x00
    23. 

  23. 

  24. #else
    25. 

  25. /*
    26. 

  26.  * kernel or user mode?
    27. 

  27.  */
    28. 

  28. #define KU_MASK 0x18
    29. 

  29. #define KU_USER 0x10
    30. 

  30. #define KU_KERN 0x00
    31. 

  31. 

  32. #endif
    33. 

  33. 

  34. #endif /* __ASM_ISADEP_H */
    35. 

  35.