| 1 | ; Project name : XTIDE Universal BIOS
|
|---|
| 2 | ; Description : Int 13h function AH=25h, Get Drive Information.
|
|---|
| 3 |
|
|---|
| 4 | ;
|
|---|
| 5 | ; XTIDE Universal BIOS and Associated Tools
|
|---|
| 6 | ; Copyright (C) 2009-2010 by Tomi Tilli, 2011-2013 by XTIDE Universal BIOS Team.
|
|---|
| 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.
|
|---|
| 12 | ;
|
|---|
| 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
|
|---|
| 16 | ; GNU General Public License for more details.
|
|---|
| 17 | ; Visit http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
|
|---|
| 18 | ;
|
|---|
| 19 |
|
|---|
| 20 | ; Section containing code
|
|---|
| 21 | SECTION .text
|
|---|
| 22 |
|
|---|
| 23 | ;--------------------------------------------------------------------
|
|---|
| 24 | ; Int 13h function AH=25h, Get Drive Information.
|
|---|
| 25 | ;
|
|---|
| 26 | ; AH25h_HandlerForGetDriveInformation
|
|---|
| 27 | ; Parameters:
|
|---|
| 28 | ; ES: Same as in INTPACK
|
|---|
| 29 | ; DL: Translated Drive number
|
|---|
| 30 | ; DS:DI: Ptr to DPT (in RAMVARS segment)
|
|---|
| 31 | ; SS:BP: Ptr to IDEPACK
|
|---|
| 32 | ; Parameters on INTPACK:
|
|---|
| 33 | ; ES:BX: Ptr to buffer to receive 512-byte drive information
|
|---|
| 34 | ; Returns with INTPACK:
|
|---|
| 35 | ; AH: Int 13h return status
|
|---|
| 36 | ; CF: 0 if successful, 1 if error
|
|---|
| 37 | ;--------------------------------------------------------------------
|
|---|
| 38 | AH25h_HandlerForGetDriveInformation:
|
|---|
| 39 | mov ax, (COMMAND_IDENTIFY_DEVICE << 8 | 1) ; Read 1 sector
|
|---|
| 40 | call Prepare_BufferToESSIforOldInt13hTransfer ; Preserves AX
|
|---|
| 41 | mov bx, TIMEOUT_AND_STATUS_TO_WAIT(TIMEOUT_DRQ, FLG_STATUS_DRQ)
|
|---|
| 42 | %ifdef USE_186
|
|---|
| 43 | push Int13h_ReturnFromHandlerAfterStoringErrorCodeFromAH
|
|---|
| 44 | jmp Idepack_TranslateOldInt13hAddressAndIssueCommandFromAH
|
|---|
| 45 | %else
|
|---|
| 46 | call Idepack_TranslateOldInt13hAddressAndIssueCommandFromAH
|
|---|
| 47 | jmp Int13h_ReturnFromHandlerAfterStoringErrorCodeFromAH
|
|---|
| 48 | %endif
|
|---|
