emi_mpu_v1.h 1.8 KB

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  1. #ifndef __EMI_MPU_H__
  2. #define __EMI_MPU_H__
  3. #include <emi_mpu_mt.h>
  4. #define NO_PROTECTION 0
  5. #define SEC_RW 1
  6. #define SEC_RW_NSEC_R 2
  7. #define SEC_RW_NSEC_W 3
  8. #define SEC_R_NSEC_R 4
  9. #define FORBIDDEN 5
  10. #define SEC_R_NSEC_RW 6
  11. #define LOCK 1
  12. #define UNLOCK 0
  13. #define EMI_MPU_DGROUP_NUM (EMI_MPU_DOMAIN_NUM / 8)
  14. #if (EMI_MPU_DGROUP_NUM == 1)
  15. #define SET_ACCESS_PERMISSION(apc_ary, lock, d7, d6, d5, d4, d3, d2, d1, d0) \
  16. do { \
  17. apc_ary[0] = \
  18. (((unsigned int) d7) << 21) | (((unsigned int) d6) << 18) | (((unsigned int) d5) << 15) | \
  19. (((unsigned int) d4) << 12) | (((unsigned int) d3) << 9) | (((unsigned int) d2) << 6) | \
  20. (((unsigned int) d1) << 3) | ((unsigned int) d0) | ((unsigned int) lock << 31); \
  21. } while (0)
  22. #elif (EMI_MPU_DGROUP_NUM == 2)
  23. #define SET_ACCESS_PERMISSION(apc_ary, lock, d15, d14, d13, d12, d11, d10, d9, d8, d7, d6, d5, d4, d3, d2, d1, d0) \
  24. do { \
  25. apc_ary[1] = \
  26. (((unsigned int) d15) << 21) | (((unsigned int) d14) << 18) | (((unsigned int) d13) << 15) | \
  27. (((unsigned int) d12) << 12) | (((unsigned int) d11) << 9) | (((unsigned int) d10) << 6) | \
  28. (((unsigned int) d9) << 3) | ((unsigned int) d8); \
  29. apc_ary[0] = \
  30. (((unsigned int) d7) << 21) | (((unsigned int) d6) << 18) | (((unsigned int) d5) << 15) | \
  31. (((unsigned int) d4) << 12) | (((unsigned int) d3) << 9) | (((unsigned int) d2) << 6) | \
  32. (((unsigned int) d1) << 3) | ((unsigned int) d0) | ((unsigned int) lock << 31); \
  33. } while (0)
  34. #endif
  35. struct emi_region_info_t {
  36. unsigned long long start;
  37. unsigned long long end;
  38. unsigned int region;
  39. unsigned int apc[EMI_MPU_DGROUP_NUM];
  40. };
  41. extern int emi_mpu_set_protection(struct emi_region_info_t *region_info);
  42. #endif /* __EMI_MPU_H__ */