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; Copyright (c) Microsoft Corporation 1988-1991. All Rights Reserved.
;****************************************************************
;* *
;* DXROM.INC -- ROM Defintions for Dos Extender *
;* *
;****************************************************************
;* Revision History: *
;* *
;* 11/05/90 jimmat Created. *
;* *
;****************************************************************
IFDEF ROM
; Define the ROM Table of Contents structure. Note that this structure
; is defined in other pieces of software and all must be updated if any
; are. Currently known to be defined in the ROM Image Builder (RIB) and
; the ROM Test loader.
ROMTOC SEGMENT AT 0
szID db 10 dup (?) ; ID string
DOSX_CSIP dd ? ; DOSX initial CS:IP (seg:off)
KRNL_CSIP dd ? ; Kernel initial CS:IP (sel:off)
lmaROMLDT dd ? ; lma of ROM prototype LDT
cROMsels dw ? ; # descriptors used in ROM proto LDT
FirstROMsel dw ? ; first LDT selector in ROM proto LDT
offSysDir dw ? ; offset to system directory string
cModules dw ? ; # modules defined in ROM TOC
ModEntries db ? ; start of module entries
; module entries follow at this point...
ROMTOC ENDS
RomIntVector = 31h ;Interrupt vector to use
; This macro returns the DOS Extender data segment paragraph address in AX.
; It must only be used by real mode code.
GetRMDataSeg macro
ifndef GetDXDataRM
extrn GetDXDataRM:NEAR
endif
call GetDXDataRM
endm
; This macro sets DS to point to the DOS Extender data segment. It must
; only be used by real mode code.
SetRMDataSeg macro
ifndef SetDXDataRM
extrn SetDXDataRM:NEAR
endif
call SetDXDataRM
endm
; This macro returns the DOS Extender data segment paragraph address in AX.
; It must only be used by protected mode code.
GetPMDataSeg macro
ifndef GetDXDataPM
extrn GetDXDataPM:NEAR
endif
call GetDXDataPM
endm
; This macro sets DS to point to the DOS Extender data segment. It must
; only be used by protected mode code.
SetPMDataSeg macro
ifndef SetDXDataPM
extrn SetDXDataPM:NEAR
endif
call SetDXDataPM
endm
ENDIF
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