source: xtideuniversalbios/trunk/XTIDE_Universal_BIOS/Inc/EBIOS.inc @ 526

Last change on this file since 526 was 526, checked in by krille_n_@…, 9 years ago

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  • Update of the copyright notices to include the year 2013.
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[165]1; Project name  :   XTIDE Universal BIOS
2; Description   :   Equates used in Enhanced INT 13h functions (EBIOS).
[376]3
4;
[526]5; XTIDE Universal BIOS and Associated Tools
6; Copyright (C) 2009-2010 by Tomi Tilli, 2011-2013 by XTIDE Universal BIOS Team.
[376]7;
8; This program is free software; you can redistribute it and/or modify
9; it under the terms of the GNU General Public License as published by
10; the Free Software Foundation; either version 2 of the License, or
11; (at your option) any later version.
[526]12;
[376]13; This program is distributed in the hope that it will be useful,
14; but WITHOUT ANY WARRANTY; without even the implied warranty of
15; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
[526]16; GNU General Public License for more details.
[376]17; Visit http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
18;
19
[165]20%ifndef EBIOS_INC
21%define EBIOS_INC
22
23; EBIOS specification returned by INT 13h, AH=41h
24EBIOS_VERSION                       EQU 21h     ; 21h = EDD version 1.1
25
26; Support bits returned by INT 13h, AH=41h
27ENHANCED_DRIVE_ACCESS_SUPPORT       EQU (1<<0)  ; 41h, 42h, 43h 44h, 47h and 48h are available
28DRIVE_LOCKING_AND_EJECTING_SUPPORT  EQU (1<<1)  ; 41h, 45h, 46h, 48h, 49h are available and INT 15h, AH=52h
[170]29ENHANCED_DISK_DRIVE_SUPPORT         EQU (1<<2)  ; 41h, 48h, 4Eh are available (EDD)
[165]30
31
32; Extended Drive Information returned by AH=48h
33struc EDRIVE_INFO
34    .wSize                  resb    2   ; 0, Size of this buffer, at least 26
35    .wFlags                 resb    2   ; 2, Information flags
36    .dwCylinders            resb    4   ; 4, Total number of addressable cylinders
37    .dwHeads                resb    4   ; 8, Total number of addressable heads
38    .dwSectorsPerTrack      resb    4   ; 12, Number of sectors per track
39    .qwTotalSectors         resb    8   ; 16, Total number of addressable sectors
40    .wSectorSize            resb    2   ; 24, Number of bytes per sector
41    .fpEDDparams            resb    8   ; 26, Optional pointer to Enhanced Disk Drive (EDD) configuration parameters
42endstruc
43
44MINIMUM_EDRIVEINFO_SIZE     EQU     26  ; 26 bytes does not include EDD pointer
45
46; Flags for EDRIVE_INFO.wFlags
47FLG_DMA_BOUNDARY_ERRORS_HANDLED_BY_BIOS             EQU (1<<0)
48FLG_CHS_INFORMATION_IS_VALID                        EQU (1<<1)
49FLG_REMOVABLE_DRIVE                                 EQU (1<<2)
50FLG_WRITE_WITH_VERIFY_SUPPORTED                     EQU (1<<3)
51FLG_CHANGE_LINE_SUPPORT                             EQU (1<<4)  ; Removable media only
52FLG_LOCKABLE                                        EQU (1<<5)  ; Removable media only
53FLG_NO_MEDIA_PRESENT_AND_CHS_SET_TO_MAX             EQU (1<<6)  ; Removable media only
54
55
56; Disk Address Packet for read, write and verify functions
57struc DAP
58    .bSize                  resb    1   ; 0, Size of this packet in bytes
59    .bReservedAt1           resb    1   ; 1, Currently unused, must be zero
[223]60    .wSectorCount           resb    2   ; 2, Number of sectors to process (0...127)
[165]61    .dwMemoryAddress:
62    .wOffset                resb    2   ; 4, Memory offset for transfer
63    .wSegment               resb    2   ; 6, Memory segment for transfer
64    .qwLBA                  resb    8   ; 8, Starting sector for transfer
65endstruc
66
67MINIMUM_DAP_SIZE            EQU     16
68
69
70%endif ; EBIOS_INC
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