reactos/boot/freeldr/freeldr/include/arch/i386/drivemap.h

   1 /*
   2  *  FreeLoader
   3  *  Copyright (C) 1998-2003  Brian Palmer  <brianp@sginet.com>
   4  *
   5  *  This program is free software; you can redistribute it and/or modify
   6  *  it under the terms of the GNU General Public License as published by
   7  *  the Free Software Foundation; either version 2 of the License, or
   8  *  (at your option) any later version.
   9  *
  10  *  This program is distributed in the hope that it will be useful,
  11  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  *  GNU General Public License for more details.
  14  *
  15  *  You should have received a copy of the GNU General Public License along
  16  *  with this program; if not, write to the Free Software Foundation, Inc.,
  17  *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  18  */
  19
  20 #pragma once
  21
  22 #include <pshpack1.h>
  23 typedef struct
  24 {
  25         UCHAR           DriveMapCount;          // Count of drives currently mapped
  26         CHAR            DriveMap[8];            // Map of BIOS drives
  27 } DRIVE_MAP_LIST, *PDRIVE_MAP_LIST;
  28 #include <poppack.h>
  29
  30 VOID    DriveMapMapDrivesInSection(PCSTR SectionName);
  31 BOOLEAN DriveMapIsValidDriveString(PCSTR DriveString);                  // Checks the drive string ("hd0") for validity
  32 ULONG           DriveMapGetBiosDriveNumber(PCSTR DeviceName);                   // Returns a BIOS drive number for any given device name (e.g. 0x80 for 'hd0')
  33 VOID    DriveMapInstallInt13Handler(PDRIVE_MAP_LIST DriveMap);  // Installs the int 13h handler for the drive mapper
  34 VOID    DriveMapRemoveInt13Handler(VOID);                                               // Removes a previously installed int 13h drive map handler
  35
  36 extern PVOID                    DriveMapInt13HandlerStart;
  37 extern PVOID                    DriveMapInt13HandlerEnd;
  38 extern ULONG                            DriveMapOldInt13HandlerAddress;
  39 extern DRIVE_MAP_LIST   DriveMapInt13HandlerMapList;