registers.h 1.6 KB

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  1. /*
  2. * Copyright (C) 2008-2009 Michal Simek <monstr@monstr.eu>
  3. * Copyright (C) 2008-2009 PetaLogix
  4. * Copyright (C) 2006 Atmark Techno, Inc.
  5. *
  6. * This file is subject to the terms and conditions of the GNU General Public
  7. * License. See the file "COPYING" in the main directory of this archive
  8. * for more details.
  9. */
  10. #ifndef _ASM_MICROBLAZE_REGISTERS_H
  11. #define _ASM_MICROBLAZE_REGISTERS_H
  12. #define MSR_BE (1<<0) /* 0x001 */
  13. #define MSR_IE (1<<1) /* 0x002 */
  14. #define MSR_C (1<<2) /* 0x004 */
  15. #define MSR_BIP (1<<3) /* 0x008 */
  16. #define MSR_FSL (1<<4) /* 0x010 */
  17. #define MSR_ICE (1<<5) /* 0x020 */
  18. #define MSR_DZ (1<<6) /* 0x040 */
  19. #define MSR_DCE (1<<7) /* 0x080 */
  20. #define MSR_EE (1<<8) /* 0x100 */
  21. #define MSR_EIP (1<<9) /* 0x200 */
  22. #define MSR_CC (1<<31)
  23. /* Floating Point Status Register (FSR) Bits */
  24. #define FSR_IO (1<<4) /* Invalid operation */
  25. #define FSR_DZ (1<<3) /* Divide-by-zero */
  26. #define FSR_OF (1<<2) /* Overflow */
  27. #define FSR_UF (1<<1) /* Underflow */
  28. #define FSR_DO (1<<0) /* Denormalized operand error */
  29. # ifdef CONFIG_MMU
  30. /* Machine State Register (MSR) Fields */
  31. # define MSR_UM (1<<11) /* User Mode */
  32. # define MSR_UMS (1<<12) /* User Mode Save */
  33. # define MSR_VM (1<<13) /* Virtual Mode */
  34. # define MSR_VMS (1<<14) /* Virtual Mode Save */
  35. # define MSR_KERNEL (MSR_EE | MSR_VM)
  36. /* # define MSR_USER (MSR_KERNEL | MSR_UM | MSR_IE) */
  37. # define MSR_KERNEL_VMS (MSR_EE | MSR_VMS)
  38. /* # define MSR_USER_VMS (MSR_KERNEL_VMS | MSR_UMS | MSR_IE) */
  39. /* Exception State Register (ESR) Fields */
  40. # define ESR_DIZ (1<<11) /* Zone Protection */
  41. # define ESR_S (1<<10) /* Store instruction */
  42. # endif /* CONFIG_MMU */
  43. #endif /* _ASM_MICROBLAZE_REGISTERS_H */