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Source code of Windows XP (NT5)
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windows-xp/Source/XPSP1/NT/base/ntos/ke/i386/cpu.inc

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  1. ;++
  2. ;
  3. ; Copyright (c) 1989 Microsoft Corporation
  4. ;
  5. ; Module Name:
  6. ;
  7. ; cpu.inc
  8. ;
  9. ; Abstract:
  10. ;
  11. ; This module contains the assembly structures and definitions
  12. ; for INTEL 80x86 CPU specifiec information. This include file
  13. ; is mainly used by CPU.ASM to determine CPU type and stepping
  14. ; number.
  15. ;
  16. ; Author:
  17. ;
  18. ; Shie-Lin (shielint) 1-Oct-1991
  19. ;
  20. ; Revision History:
  21. ;
  22. ;--
  24. ;
  25. ; The following equates define the control bits of CR0 register
  26. ;
  28. CR0_AM equ 40000h
  29. CR0_ET equ 00010h
  31. ;
  32. ; The following equates define the control bits of EFALGS register
  33. ;
  35. EFLAGS_AC equ 40000h
  36. EFLAGS_VM equ 20000h
  37. EFLAGS_RF equ 10000h
  38. EFLAGS_NF equ 4000h
  39. EFLAGS_IOPL equ 3000h
  40. EFLAGS_IF equ 200h
  41. EFLAGS_TF equ 100h
  42. EFLAGS_ID equ 200000h
  44. ;
  45. ; Define the iret frame
  46. ;
  48. IretFrame struc
  50. IretEip dd 0
  51. IretCs dd 0
  52. IretEFlags dd 0
  54. IretFrame ends
  56. ;
  57. ; Misc. definitions
  58. ;
  60. ADDRESS_OVERRIDE equ 67h
  61. OPERAND_OVERRIDE equ 66h