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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