fault.h 669 B

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  1. #ifndef __ARCH_ARM_FAULT_H
  2. #define __ARCH_ARM_FAULT_H
  3. /*
  4. * Fault status register encodings. We steal bit 31 for our own purposes.
  5. */
  6. #define FSR_LNX_PF (1 << 31)
  7. #define FSR_WRITE (1 << 11)
  8. #define FSR_FS4 (1 << 10)
  9. #define FSR_FS3_0 (15)
  10. #define FSR_FS5_0 (0x3f)
  11. #ifdef CONFIG_ARM_LPAE
  12. #define FSR_FS_AEA 17
  13. static inline int fsr_fs(unsigned int fsr)
  14. {
  15. return fsr & FSR_FS5_0;
  16. }
  17. #else
  18. #define FSR_FS_AEA 22
  19. static inline int fsr_fs(unsigned int fsr)
  20. {
  21. return (fsr & FSR_FS3_0) | (fsr & FSR_FS4) >> 6;
  22. }
  23. #endif
  24. void do_bad_area(unsigned long addr, unsigned int fsr, struct pt_regs *regs);
  25. void early_abt_enable(void);
  26. #endif /* __ARCH_ARM_FAULT_H */