93 lines
2.3 KiB
PHP
93 lines
2.3 KiB
PHP
|
|
; 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
|