[400] | 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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[526] | 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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[400] | 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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[526] | 12 | ; |
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[400] | 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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[526] | 16 | ; GNU General Public License for more details. |
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[400] | 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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[473] | 24 | ; OUTPUT_AL_TO_IDE_REGISTER |
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| 25 | ; OUTPUT_AL_TO_IDE_CONTROL_BLOCK_REGISTER |
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[400] | 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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[473] | 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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[400] | 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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[473] | 55 | |
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[400] | 56 | %macro OUTPUT_AL_TO_IDE_CONTROL_BLOCK_REGISTER 1 |
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[473] | 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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[400] | 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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[473] | 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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[400] | 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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