estate.h 2.2 KB

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  1. #ifndef _SPARC64_ESTATE_H
  2. #define _SPARC64_ESTATE_H
  3. /* UltraSPARC-III E-cache Error Enable */
  4. #define ESTATE_ERROR_FMT 0x0000000000040000 /* Force MTAG ECC */
  5. #define ESTATE_ERROR_FMESS 0x000000000003c000 /* Forced MTAG ECC val */
  6. #define ESTATE_ERROR_FMD 0x0000000000002000 /* Force DATA ECC */
  7. #define ESTATE_ERROR_FDECC 0x0000000000001ff0 /* Forced DATA ECC val */
  8. #define ESTATE_ERROR_UCEEN 0x0000000000000008 /* See below */
  9. #define ESTATE_ERROR_NCEEN 0x0000000000000002 /* See below */
  10. #define ESTATE_ERROR_CEEN 0x0000000000000001 /* See below */
  11. /* UCEEN enables the fast_ECC_error trap for: 1) software correctable E-cache
  12. * errors 2) uncorrectable E-cache errors. Such events only occur on reads
  13. * of the E-cache by the local processor for: 1) data loads 2) instruction
  14. * fetches 3) atomic operations. Such events _cannot_ occur for: 1) merge
  15. * 2) writeback 2) copyout. The AFSR bits associated with these traps are
  16. * UCC and UCU.
  17. */
  18. /* NCEEN enables instruction_access_error, data_access_error, and ECC_error traps
  19. * for uncorrectable ECC errors and system errors.
  20. *
  21. * Uncorrectable system bus data error or MTAG ECC error, system bus TimeOUT,
  22. * or system bus BusERR:
  23. * 1) As the result of an instruction fetch, will generate instruction_access_error
  24. * 2) As the result of a load etc. will generate data_access_error.
  25. * 3) As the result of store merge completion, writeback, or copyout will
  26. * generate a disrupting ECC_error trap.
  27. * 4) As the result of such errors on instruction vector fetch can generate any
  28. * of the 3 trap types.
  29. *
  30. * The AFSR bits associated with these traps are EMU, EDU, WDU, CPU, IVU, UE,
  31. * BERR, and TO.
  32. */
  33. /* CEEN enables the ECC_error trap for hardware corrected ECC errors. System bus
  34. * reads resulting in a hardware corrected data or MTAG ECC error will generate an
  35. * ECC_error disrupting trap with this bit enabled.
  36. *
  37. * This same trap will also be generated when a hardware corrected ECC error results
  38. * during store merge, writeback, and copyout operations.
  39. */
  40. /* In general, if the trap enable bits above are disabled the AFSR bits will still
  41. * log the events even though the trap will not be generated by the processor.
  42. */
  43. #endif /* _SPARC64_ESTATE_H */