1 | ; File name : Interrupts.inc
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2 | ; Project name : IDE BIOS
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3 | ; Created date : 29.7.2007
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4 | ; Last update : 6.11.2009
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5 | ; Author : Tomi Tilli
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6 | ; Description : Equates for Interrupts.
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7 | %ifndef INTERRUPTS_INC
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8 | %define INTERRUPTS_INC
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9 |
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10 | ; 8259 Master and Slave Interrupt Controller Ports
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11 | RPORT_8259MA_IRR_ISR EQU 20h ; Master 8259 Read IRR / ISR
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12 | WPORT_8259MA_COMMAND EQU 20h ; Master 8259 Write command
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13 | WPORT_8259MA_INIT EQU 21h ; Master 8259 Write Init command
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14 | PORT_8259MA_IMR EQU 21h ; Master 8259 IMR
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15 | RPORT_8259SL_IRR_ISR EQU 0A0h ; Slave 8259 Read IRR / ISR
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16 | WPORT_8259SL_COMMAND EQU 0A0h ; Slave 8259 Write command
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17 | WPORT_8259SL_INIT EQU 0A1h ; Slave 8259 Write Init command
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18 | PORT_8259SL_IMR EQU 0A1h ; Slave 8259 IMR
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19 |
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20 | ; Valid commands to port 20h (master, WPORT_8259MA_COMMAND)
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21 | ; and A0h (slave, WPORT_8259SL_COMMAND)
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22 | CMD_ROT_IN_AUTO_EOI_MODE_CLEAR EQU 000h
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23 | CMD_READ_IRR EQU 00Ah
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24 | CMD_READ_ISR EQU 00Bh
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25 | CMD_END_OF_INTERRUPT EQU 020h
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26 | CMD_NO_OPERATION EQU 040h
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27 | CMD_CLEAR_SPECIAL_MASK_MODE EQU 048h
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28 | CMD_SPEC_EOI_IRQ0 EQU 060h
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29 | CMD_SPEC_EOI_IRQ1 EQU 061h
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30 | CMD_SPEC_EOI_IRQ2 EQU 062h
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31 | CMD_SPEC_EOI_IRQ3 EQU 063h
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32 | CMD_SPEC_EOI_IRQ4 EQU 064h
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33 | CMD_SPEC_EOI_IRQ5 EQU 065h
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34 | CMD_SPEC_EOI_IRQ6 EQU 066h
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35 | CMD_SPEC_EOI_IRQ7 EQU 067h
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36 | CMD_SET_SPECIAL_MASK_MODE EQU 068h
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37 | CMD_ROT_IN_AUTO_EOI_MODE_SET EQU 080h
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38 | CMD_ROT_ON_NONSPEC_EOI EQU 0A0h
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39 | CMD_IRQ0_LOWST_PRIO EQU 0C0h
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40 | CMD_IRQ1_LOWST_PRIO EQU 0C1h
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41 | CMD_IRQ2_LOWST_PRIO EQU 0C2h
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42 | CMD_IRQ3_LOWST_PRIO EQU 0C3h
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43 | CMD_IRQ4_LOWST_PRIO EQU 0C4h
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44 | CMD_IRQ5_LOWST_PRIO EQU 0C5h
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45 | CMD_IRQ6_LOWST_PRIO EQU 0C6h
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46 | CMD_IRQ7_LOWST_PRIO EQU 0C7h
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47 | CMD_EOI_AND_IRQ0_LOWST_PRIO EQU 0E0h
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48 | CMD_EOI_AND_IRQ1_LOWST_PRIO EQU 0E1h
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49 | CMD_EOI_AND_IRQ2_LOWST_PRIO EQU 0E2h
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50 | CMD_EOI_AND_IRQ3_LOWST_PRIO EQU 0E3h
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51 | CMD_EOI_AND_IRQ4_LOWST_PRIO EQU 0E4h
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52 | CMD_EOI_AND_IRQ5_LOWST_PRIO EQU 0E5h
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53 | CMD_EOI_AND_IRQ6_LOWST_PRIO EQU 0E6h
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54 | CMD_EOI_AND_IRQ7_LOWST_PRIO EQU 0E7h
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55 |
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56 |
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57 | ; Interrupt Vector Table
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58 | INTV_IRQ0 EQU 08h ; System timer
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59 | INTV_IRQ1 EQU 09h ; Keyboard
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60 | INTV_IRQ2 EQU 0Ah
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61 | INTV_IRQ3 EQU 0Bh
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62 | INTV_IRQ4 EQU 0Ch
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63 | INTV_IRQ5 EQU 0Dh
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64 | INTV_IRQ6 EQU 0Eh
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65 | INTV_IRQ7 EQU 0Fh
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66 | INTV_EQUIPMENT_CONF EQU 11h ; Equipment configuration
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67 | INTV_MEMORY_SIZE EQU 12h ; Base memory size
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68 | INTV_DISK_FUNC EQU 13h ; Disk functions
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69 | INTV_SYSTEM_SERVICES EQU 15h ; Different system functions
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70 | INTV_KEYBOARD_FUNC EQU 16h ; Keyboard functions
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71 | INTV_BOOT_FAILURE EQU 18h ; Process Boot Failure
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72 | INTV_BOOTSTRAP EQU 19h ; Boot Strap Loader
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73 | INTV_TIME_OF_DAY EQU 1Ah ; Time of day functions
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74 | INTV_KEYB_BREAK EQU 1Bh ; Keyboard break
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75 | INTV_USER_TIMER_TICK EQU 1Ch ; User timer tick
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76 | INTV_DPT EQU 1Eh ; Diskette Parameter Table
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77 | INTV_FLOPPY_FUNC EQU 40h ; Floppy functions
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78 | INTV_HD0DPT EQU 41h ; Ptr to HD0 Disk Parameter Table
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79 | INTV_HD1DPT EQU 46h ; Ptr to HD1 Disk Parameter Table
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80 | INTV_USERS_ALARM EQU 4Ah ; Users alarm
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81 | INTV_IRQ8 EQU 70h
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82 | INTV_IRQ9 EQU 71h
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83 | INTV_IRQ10 EQU 72h
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84 | INTV_IRQ11 EQU 73h
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85 | INTV_IRQ12 EQU 74h
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86 | INTV_IRQ13 EQU 75h
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87 | INTV_IRQ14 EQU 76h
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88 | INTV_IRQ15 EQU 77h
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89 |
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90 |
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91 | %endif ; INTERRUPTS_INC
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