Source code of Windows XP (NT5)
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; ROM Windows specific include file
;; INT 2F subfunction; if ROM installed, returns 0 in AX and RM segment of ROMTOC in; BX. Hooked by WIN.COM to pass ROMTOC to other components;ROMINSTALLCHECK equ 160Ch
; ROM Table of Contents structure
ROMTOC STRUCROMSignature db 55h, 0AAh ; IBM standard ROM signatureROMLength db ? ; IBM length (/512)ROMEntryPoint db 5 dup (?) ; jmp near + retf + padszID db 10 dup (?) ; ID string "ROMWINTOC\0"DOSX_CSIP dd ? ; DOSX initial CS:IP (seg:off)KRNL_CSIP dd ? ; Kernel initial CS:IP (sel:off)lmaROMLDT dd ? ; lma of ROM prototype LDTcROMsels dw ? ; # descriptors used in ROM proto LDTFirstROMsel dw ? ; first LDT selector in ROM proto LDToffSysDir dw ? ; offset to system directory stringlmaHigh dd ? ; lma of high ROMlenHigh dd ? ; length in bytes of High ROMcModules dw ? ; # modules defined in ROM TOCcFiles dw ? ; # files defined in ROM TOCModEntries db ? ; start of module entries
; module entries follow at this point...; file entries start at ModEntries + cModules*(SIZE MODENT)
ROMTOC ENDS
; Module entry format in ROM TOC
File_Name_Len = 13Module_Name_Len = 9
MODENT STRUCModNameStr db Module_Name_Len dup (?) ; Module name (null padded)FileNameStr db File_Name_Len dup (?) ; File name (null padded)lmaExeHdr dd ? ; lma of module EXE headerMODENT ENDS
FILENT STRUCfname db File_Name_Len dup(?) ; file namelma dd ? ; lma of start of filefsize dd ?FILENT ENDS
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