| 1 | ; Project name : XTIDE Universal BIOS
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| 2 | ; Description : IDE Device DMA transfer functions.
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| 3 |
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| 4 | ;
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| 5 | ; XTIDE Universal BIOS and Associated Tools
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| 6 | ; Copyright (C) 2009-2010 by Tomi Tilli, 2011-2012 by XTIDE Universal BIOS Team.
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| 7 | ;
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| 8 | ; This program is free software; you can redistribute it and/or modify
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| 9 | ; it under the terms of the GNU General Public License as published by
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| 10 | ; the Free Software Foundation; either version 2 of the License, or
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| 11 | ; (at your option) any later version.
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| 12 | ;
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| 13 | ; This program is distributed in the hope that it will be useful,
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| 14 | ; but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 15 | ; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 16 | ; GNU General Public License for more details.
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| 17 | ; Visit http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
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| 18 | ;
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| 19 |
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| 20 | ; Structure containing variables for DMA transfer functions.
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| 21 | ; This struct must not be larger than IDEPACK without INTPACK.
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| 22 | struc DMAVARS ; Must not be larger than 9 bytes! See IDEPACK in RamVars.inc.
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| 23 | endstruc
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| 24 |
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| 25 |
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| 26 | ; Section containing code
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| 27 | SECTION .text
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| 28 |
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| 29 | ;--------------------------------------------------------------------
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| 30 | ; IdeDmaTransfer_StartWithCommandInAL
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| 31 | ; Parameters:
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| 32 | ; AL: IDE command that was used to start the transfer
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| 33 | ; (all PIO read and write commands including Identify Device)
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| 34 | ; ES:SI: Ptr to normalized data buffer
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| 35 | ; DS:DI: Ptr to DPT (in RAMVARS segment)
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| 36 | ; SS:BP: Ptr to IDEPACK
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| 37 | ; Returns:
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| 38 | ; AH: INT 13h Error Code
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| 39 | ; CX: Number of successfully transferred sectors
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| 40 | ; CF: Cleared if success, Set if error
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| 41 | ; Corrupts registers:
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| 42 | ; AL, BX, DX, SI, ES
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| 43 | ;--------------------------------------------------------------------
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| 44 | ALIGN JUMP_ALIGN
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| 45 | IdeDmaTransfer_StartWithCommandInAL:
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