| 1 | ; Project name : XTIDE Universal BIOS
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| 2 | ; Description : Macros for normal I/O mapped ATA controllers.
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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, 2011-2013 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 | %ifndef IDE_IO_INC
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| 21 | %define IDE_IO_INC
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| 22 |
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| 23 | ;--------------------------------------------------------------------
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| 24 | ; OUTPUT_AL_TO_IDE_REGISTER
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| 25 | ; OUTPUT_AL_TO_IDE_CONTROL_BLOCK_REGISTER
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| 26 | ; Parameters:
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| 27 | ; AL: Byte to output
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| 28 | ; %1: IDE Register (OUTPUT_AL_TO_IDE_REGISTER)
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| 29 | ; IDE Control Block Register (OUTPUT_AL_TO_IDE_CONTROL_BLOCK_REGISTER)
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| 30 | ; DS:DI: Ptr to DPT (in RAMVARS segment)
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| 31 | ; Returns:
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| 32 | ; Nothing
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| 33 | ; Corrupts registers:
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| 34 | ; BX, DX
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| 35 | ;--------------------------------------------------------------------
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| 36 | %macro OUTPUT_AL_TO_IDE_REGISTER 1
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| 37 | %ifndef MODULE_8BIT_IDE ; Standard IDE controllers only
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| 38 |
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| 39 | %ifnidni %1, dx
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| 40 | mov dx, %1
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| 41 | %endif
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| 42 | add dx, [di+DPT.wBasePort]
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| 43 | out dx, al
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| 44 |
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| 45 | %else ; Register translations required
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| 46 |
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| 47 | %ifnidni %1, dl
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| 48 | mov dl, %1
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| 49 | %endif
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| 50 | call IdeIO_OutputALtoIdeRegisterInDL
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| 51 |
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| 52 | %endif
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| 53 | %endmacro
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| 54 |
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| 55 |
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| 56 | %macro OUTPUT_AL_TO_IDE_CONTROL_BLOCK_REGISTER 1
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| 57 | %ifndef MODULE_8BIT_IDE ; Standard IDE controllers only
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| 58 |
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| 59 | %ifnidni %1, dx
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| 60 | mov dx, %1
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| 61 | %endif
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| 62 | eMOVZX bx, BYTE [di+DPT.bIdevarsOffset]
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| 63 | add dx, [cs:bx+IDEVARS.wControlBlockPort]
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| 64 | out dx, al
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| 65 |
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| 66 | %else ; Register translations required
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| 67 |
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| 68 | %ifnidni %1, dl
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| 69 | mov dl, %1
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| 70 | %endif
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| 71 | call IdeIO_OutputALtoIdeControlBlockRegisterInDL
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| 72 |
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| 73 | %endif
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| 74 | %endmacro
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| 75 |
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| 76 |
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| 77 | ;--------------------------------------------------------------------
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| 78 | ; INPUT_TO_AL_FROM_IDE_REGISTER
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| 79 | ; Parameters:
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| 80 | ; %1: IDE Register
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| 81 | ; DS:DI: Ptr to DPT (in RAMVARS segment)
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| 82 | ; Returns:
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| 83 | ; AL: Inputted byte
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| 84 | ; Corrupts registers:
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| 85 | ; BX, DX
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| 86 | ;--------------------------------------------------------------------
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| 87 | %macro INPUT_TO_AL_FROM_IDE_REGISTER 1
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| 88 | %ifndef MODULE_8BIT_IDE ; Standard IDE controllers only
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| 89 |
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| 90 | %ifnidni %1, dx
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| 91 | mov dx, %1
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| 92 | %endif
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| 93 | add dx, [di+DPT.wBasePort]
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| 94 | in al, dx
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| 95 |
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| 96 | %else ; Register translations required
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| 97 |
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| 98 | %ifnidni %1, dl
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| 99 | mov dl, %1
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| 100 | %endif
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| 101 | call IdeIO_InputToALfromIdeRegisterInDL
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| 102 |
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| 103 | %endif
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| 104 | %endmacro
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| 105 |
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| 106 |
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| 107 | %endif ; IDE_IO_INC
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