windows-nt/Source/XPSP1/NT/base/ntsetup/textmode/winnt/cpu.inc

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2020-09-26 03:20:57 -05:00
;++
;
; Copyright (c) 1989 Microsoft Corporation
;
; Module Name:
;
; cpu.inc
;
; Abstract:
;
; This module contains the assembly structures and definitions
; for INTEL 80x86 CPU specifiec information. This include file
; is mainly used by CPU.ASM to determine CPU type and stepping
; number.
;
; Author:
;
; Shie-Lin (shielint) 1-Oct-1991
;
; Revision History:
;
;--
;
; The following equates define the control bits of CR0 register
;
CR0_AM equ 40000h
CR0_ET equ 00010h
;
; The following equates define the control bits of EFALGS register
;
EFLAGS_AC equ 40000h
EFLAGS_VM equ 20000h
EFLAGS_RF equ 10000h
EFLAGS_NF equ 4000h
EFLAGS_IOPL equ 3000h
EFLAGS_IF equ 200h
EFLAGS_TF equ 100h
;
; define the structure type for real mode interrupt vectore
;
RealModeVector struc
VectorOffset dw 0
VectorSegment dw 0
RealModeVector ends
;
; Define the iret frame
;
IretFrame struc
IretIp dw 0
IretCs dw 0
IretFlags dw 0
IretFrame ends
;
; Misc. definitions
;
ADDRESS_OVERRIDE equ 67h
OPERAND_OVERRIDE equ 66h