1 | ; Project name : XTIDE Universal BIOS |
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2 | ; Description : Equates for 8259 Interrupt 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 INT_CONTROLLER_INC |
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21 | %define INT_CONTROLLER_INC |
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22 | |
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23 | ; 8259 Master and Slave Interrupt Controller Ports |
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24 | MASTER_8259_IRR_AND_ISR_in EQU 20h ; Interrupt Request Register / Interrupt In-Service Register |
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25 | MASTER_8259_COMMAND_out EQU 20h ; Command output |
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26 | MASTER_8259_IMR EQU 21h ; Interrupt Mask Register |
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27 | MASTER_8259_INIT_out EQU 21h ; Initialization Command Parameters |
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28 | SLAVE_8259_IRR_AND_ISR_in EQU 0A0h ; Interrupt Request Register / Interrupt In-Service Register |
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29 | SLAVE_8259_COMMAND_out EQU 0A0h ; Command output |
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30 | SLAVE_8259_IMR EQU 0A1h ; Interrupt Mask Register |
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31 | SLAVE_8259_INIT_out EQU 0A1h ; Initialization Command Parameters |
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32 | |
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33 | ; 8259 Interrupt Controller Commands |
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34 | COMMAND_CLEAR_ROTATE_IN_AUTOMATIC_EOI_MODE EQU 00h |
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35 | COMMAND_READ_INTERRUPT_REQUEST_REGISTER EQU 0Ah |
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36 | COMMAND_READ_INTERRUPT_INSERVICE_REGISTER EQU 0Bh |
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37 | COMMAND_END_OF_INTERRUPT EQU 20h |
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38 | COMMAND_NO_OPERATION EQU 40h |
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39 | COMMAND_CLEAR_SPECIAL_MASK_MODE EQU 48h |
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40 | COMMAND_SPECIFIC_EOI_FOR_IR0 EQU 60h |
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41 | COMMAND_SPECIFIC_EOI_FOR_IR1 EQU 61h |
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42 | COMMAND_SPECIFIC_EOI_FOR_IR2 EQU 62h |
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43 | COMMAND_SPECIFIC_EOI_FOR_IR3 EQU 63h |
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44 | COMMAND_SPECIFIC_EOI_FOR_IR4 EQU 64h |
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45 | COMMAND_SPECIFIC_EOI_FOR_IR5 EQU 65h |
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46 | COMMAND_SPECIFIC_EOI_FOR_IR6 EQU 66h |
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47 | COMMAND_SPECIFIC_EOI_FOR_IR7 EQU 67h |
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48 | COMMAND_SET_SPECIAL_MASK_MODE EQU 68h |
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49 | COMMAND_SET_ROTATE_IN_AUTOMATIC_EOI_MODE EQU 80h |
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50 | COMMAND_ROTATE_ON_NONSPECIFIC_EOI EQU 0A0h |
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51 | COMMAND_IR0_LOWEST_PRIORITY EQU 0C0h |
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52 | COMMAND_IR1_LOWEST_PRIORITY EQU 0C1h |
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53 | COMMAND_IR2_LOWEST_PRIORITY EQU 0C2h |
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54 | COMMAND_IR3_LOWEST_PRIORITY EQU 0C3h |
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55 | COMMAND_IR4_LOWEST_PRIORITY EQU 0C4h |
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56 | COMMAND_IR5_LOWEST_PRIORITY EQU 0C5h |
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57 | COMMAND_IR6_LOWEST_PRIORITY EQU 0C6h |
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58 | COMMAND_IR7_LOWEST_PRIORITY EQU 0C7h |
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59 | COMMAND_EOI_AND_IR0_LOWEST_PRIORITY EQU 0E0h |
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60 | COMMAND_EOI_AND_IR1_LOWEST_PRIORITY EQU 0E1h |
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61 | COMMAND_EOI_AND_IR2_LOWEST_PRIORITY EQU 0E2h |
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62 | COMMAND_EOI_AND_IR3_LOWEST_PRIORITY EQU 0E3h |
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63 | COMMAND_EOI_AND_IR4_LOWEST_PRIORITY EQU 0E4h |
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64 | COMMAND_EOI_AND_IR5_LOWEST_PRIORITY EQU 0E5h |
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65 | COMMAND_EOI_AND_IR6_LOWEST_PRIORITY EQU 0E6h |
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66 | COMMAND_EOI_AND_IR7_LOWEST_PRIORITY EQU 0E7h |
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67 | |
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68 | |
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69 | %endif ; INT_CONTROLLER_INC |
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