Handlers for all interrupts
Added handler stubs for all user interrupt vectors. All interrupts should be accessible through the system calls now.
This commit is contained in:
Peter Weingartner
parent
0ab19057c7
commit
4c056593eb
8517
src/foenixmcp.s68
8517
src/foenixmcp.s68
File diff suppressed because it is too large
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@ -90,36 +90,36 @@ PENDING_GRP2 = $FEC00104
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dc.l interrupt_x10 ; 64 - Interrupt 0x10 - SuperIO - PS/2 Keyboard
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dc.l interrupt_x11 ; 65 - Interrupt 0x11 - A2560K Built-in Keyboard (Mo)
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dc.l interrupt_x12 ; 66 - Interrupt 0x12 - SuperIO - PS/2 Mouse
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dc.l not_impl ; 67 - Interrupt 0x13 - SuperIO - COM1
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dc.l not_impl ; 68 - Interrupt 0x14 - SuperIO - COM2
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dc.l not_impl ; 69 - Interrupt 0x15 - SuperIO - LPT1
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dc.l not_impl ; 70 - Interrupt 0x16 - SuperIO - Floppy Disk Controller
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dc.l not_impl ; 71 - Interrupt 0x17 - SuperIO - MIDI
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dc.l not_impl ; 72 - Interrupt 0x18 - Timer 0
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dc.l not_impl ; 73 - Interrupt 0x19 - Timer 1
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dc.l not_impl ; 74 - Interrupt 0x1A - Timer 2
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dc.l not_impl ; 76 - Interrupt 0x1B - Timer 3
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dc.l not_impl ; 75 - Interrupt 0x1C - Timer 4
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dc.l not_impl ; 77 - Interrupt 0x1D - Reserved
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dc.l not_impl ; 78 - Interrupt 0x1E - Reserved
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dc.l interrupt_x13 ; 67 - Interrupt 0x13 - SuperIO - COM1
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dc.l interrupt_x14 ; 68 - Interrupt 0x14 - SuperIO - COM2
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dc.l interrupt_x15 ; 69 - Interrupt 0x15 - SuperIO - LPT1
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dc.l interrupt_x16 ; 70 - Interrupt 0x16 - SuperIO - Floppy Disk Controller
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dc.l interrupt_x17 ; 71 - Interrupt 0x17 - SuperIO - MIDI
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dc.l interrupt_x18 ; 72 - Interrupt 0x18 - Timer 0
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dc.l interrupt_x19 ; 73 - Interrupt 0x19 - Timer 1
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dc.l interrupt_x1A ; 74 - Interrupt 0x1A - Timer 2
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dc.l interrupt_x1B ; 76 - Interrupt 0x1B - Timer 3
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dc.l interrupt_x1C ; 75 - Interrupt 0x1C - Timer 4
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dc.l interrupt_x1D ; 77 - Interrupt 0x1D - Reserved
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dc.l interrupt_x1E ; 78 - Interrupt 0x1E - Reserved
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dc.l interrupt_x1F ; 79 - Interrupt 0x1F - Real Time Clock
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dc.l not_impl ; 80 - Interrupt 0x20 - IDE HDD Generated Interrupt
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dc.l interrupt_x20 ; 80 - Interrupt 0x20 - IDE HDD Generated Interrupt
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dc.l interrupt_x21 ; 81 - Interrupt 0x21 - SDCard Insert
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dc.l not_impl ; 82 - Interrupt 0x22 - SDCard Controller
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dc.l not_impl ; 83 - Interrupt 0x23 - Internal OPM
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dc.l not_impl ; 84 - Interrupt 0x24 - External OPN2
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dc.l not_impl ; 85 - Interrupt 0x25 - External OPL3
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dc.l not_impl ; 86 - Interrupt 0x26 - Reserved
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dc.l not_impl ; 87 - Interrupt 0x27 - Reserved
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dc.l not_impl ; 88 - Interrupt 0x28 - Beatrix Interrupt 0
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dc.l not_impl ; 89 - Interrupt 0x29 - Beatrix Interrupt 1
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dc.l not_impl ; 90 - Interrupt 0x2A - Beatrix Interrupt 2
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dc.l not_impl ; 91 - Interrupt 0x2B - Beatrix Interrupt 3
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dc.l not_impl ; 92 - Interrupt 0x2C - Reserved
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dc.l not_impl ; 93 - Interrupt 0x2D - DAC1 Playback Done Interrupt (48K)
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dc.l not_impl ; 94 - Interrupt 0x2E - Reserved
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dc.l not_impl ; 95 - Interrupt 0x2F - DAC0 Playback Done Interrupt (44.1K)
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dc.l interrupt_x22 ; 82 - Interrupt 0x22 - SDCard Controller
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dc.l interrupt_x23 ; 83 - Interrupt 0x23 - Internal OPM
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dc.l interrupt_x24 ; 84 - Interrupt 0x24 - External OPN2
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dc.l interrupt_x25 ; 85 - Interrupt 0x25 - External OPL3
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dc.l interrupt_x26 ; 86 - Interrupt 0x26 - Reserved
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dc.l interrupt_x27 ; 87 - Interrupt 0x27 - Reserved
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dc.l interrupt_x28 ; 88 - Interrupt 0x28 - Beatrix Interrupt 0
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dc.l interrupt_x29 ; 89 - Interrupt 0x29 - Beatrix Interrupt 1
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dc.l interrupt_x2A ; 90 - Interrupt 0x2A - Beatrix Interrupt 2
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dc.l interrupt_x2B ; 91 - Interrupt 0x2B - Beatrix Interrupt 3
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dc.l interrupt_x2C ; 92 - Interrupt 0x2C - Reserved
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dc.l interrupt_x2D ; 93 - Interrupt 0x2D - DAC1 Playback Done Interrupt (48K)
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dc.l interrupt_x2E ; 94 - Interrupt 0x2E - Reserved
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dc.l interrupt_x2F ; 95 - Interrupt 0x2F - DAC0 Playback Done Interrupt (44.1K)
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code
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@ -181,48 +181,64 @@ intdis_end: movem.l (a7)+,d0-d7/a0-a6 ; Restore affected registers
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rte
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;
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; Interrupt Vector 0x10 -- SuperIO Keyboard
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; Macro to implement an interrupt handler for the user interrupt vectors
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;
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interrupt_x10:
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move.w #$0001,(PENDING_GRP1) ; Clear the flag for INT 10
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movem.l d0-d7/a0-a6,-(a7) ; Save affected registers'
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move.w #($10<<2),d0 ; Get the offset to interrupt 0x11
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; Standard handlers will:
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; 1. Save all registers
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; 2. Clear the pending flag for this interrupt
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; 3. Look for a handler registered through the system calls
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; 4. Call the handler (if found)
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; 5. Restore all registers
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; 6. Return to the interrupted code
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;
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macro inthandler ; Individual interrupt handler. Parameters: interrupt number, interrupt mask, pending register
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movem.l d0-d7/a0-a6,-(a7) ; Save affected registers
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move.w #\2,(\3) ; Clear the flag for the interrupt
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move.w #(\1<<2),d0 ; Get the offset to interrupt 0x11
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bra int_dispatch
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endm
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;
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; Interrupt Vector 0x11 -- A2560K "Mo" keyboard
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; Group 1 Interrupt Handlers
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;
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interrupt_x11:
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move.w #$0002,(PENDING_GRP1) ; Clear the flag for INT 11
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movem.l d0-d7/a0-a6,-(a7) ; Save affected registers
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move.w #($11<<2),d0 ; Get the offset to interrupt 0x11
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bra int_dispatch ; And process the interrupt
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interrupt_x10: inthandler $10, $0001, PENDING_GRP1 ; Interrupt Vector 0x10 -- SuperIO Keyboard
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interrupt_x11: inthandler $11, $0002, PENDING_GRP1 ; Interrupt Vector 0x11 -- A2560K "Mo" keyboard
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interrupt_x12: inthandler $12, $0004, PENDING_GRP1 ; Interrupt Vector 0x12 -- SuperIO Mouse
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interrupt_x13: inthandler $13, $0008, PENDING_GRP1 ; Interrupt Vector 0x13 -- COM1
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interrupt_x14: inthandler $14, $0010, PENDING_GRP1 ; Interrupt Vector 0x14 -- COM2
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interrupt_x15: inthandler $15, $0020, PENDING_GRP1 ; Interrupt Vector 0x15 -- LPT1
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interrupt_x16: inthandler $16, $0040, PENDING_GRP1 ; Interrupt Vector 0x16 -- Floppy drive controller
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interrupt_x17: inthandler $17, $0080, PENDING_GRP1 ; Interrupt Vector 0x17 -- MIDI
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interrupt_x18: inthandler $18, $0100, PENDING_GRP1 ; Interrupt Vector 0x18 -- Timer 0
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interrupt_x19: inthandler $19, $0200, PENDING_GRP1 ; Interrupt Vector 0x19 -- Timer 1
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interrupt_x1A: inthandler $1A, $0400, PENDING_GRP1 ; Interrupt Vector 0x1A -- Timer 2
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interrupt_x1B: inthandler $1B, $0800, PENDING_GRP1 ; Interrupt Vector 0x1B -- Timer 3
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interrupt_x1C: inthandler $1C, $1000, PENDING_GRP1 ; Interrupt Vector 0x1C -- Timer 4
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interrupt_x1D: inthandler $1D, $2000, PENDING_GRP1 ; Interrupt Vector 0x1D -- Reserved
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interrupt_x1E: inthandler $1E, $4000, PENDING_GRP1 ; Interrupt Vector 0x1E -- Reserved
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interrupt_x1F: inthandler $1F, $8000, PENDING_GRP1 ; Interrupt Vector 0x1F -- Real Time Clock
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;
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; Interrupt Vector 0x12 -- SuperIO Mouse
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; Group 2 Interrupt Handlers
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;
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interrupt_x12:
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move.w #$0004,(PENDING_GRP1) ; Clear the flag for INT 12
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movem.l d0-d7/a0-a6,-(a7) ; Save affected registers
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move.w #($12<<2),d0 ; Get the offset to interrupt 0x11
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bra int_dispatch ; And process the interrupt
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;
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; Interrupt Vector 0x1F -- RTC
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;
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interrupt_x1F:
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move.w #$8000,(PENDING_GRP1) ; Clear the flag for INT 1F
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movem.l d0-d7/a0-a6,-(a7) ; Save affected registers
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move.w #($1f<<2),d0 ; Get the offset to interrupt 0x1f
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bra int_dispatch ; And process the interrupt
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;
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; Interrupt Vector 0x21 -- SDCard Insert
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;
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interrupt_x21:
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move.w #$0002,(PENDING_GRP2) ; Clear the flag for INT 21
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movem.l d0-d7/a0-a6,-(a7) ; Save affected registers
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move.w #($21<<2),d0 ; Get the offset to interrupt 0x21
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bra int_dispatch ; And process the interrupt
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interrupt_x20: inthandler $20, $0001, PENDING_GRP2 ; Interrupt Vector 0x20 -- IDE HDD Generated Interrupt
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interrupt_x21: inthandler $21, $0002, PENDING_GRP2 ; Interrupt Vector 0x21 -- SDCard Insert
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interrupt_x22: inthandler $22, $0004, PENDING_GRP2 ; Interrupt Vector 0x22 -- SDCard Controller
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interrupt_x23: inthandler $23, $0008, PENDING_GRP2 ; Interrupt Vector 0x23 -- Internal OPM
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interrupt_x24: inthandler $24, $0010, PENDING_GRP2 ; Interrupt Vector 0x24 -- External OPN2
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interrupt_x25: inthandler $25, $0020, PENDING_GRP2 ; Interrupt Vector 0x25 -- External OPL3
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interrupt_x26: inthandler $26, $0040, PENDING_GRP2 ; Interrupt Vector 0x26 -- Reserved
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interrupt_x27: inthandler $27, $0080, PENDING_GRP2 ; Interrupt Vector 0x27 -- Reserved
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interrupt_x28: inthandler $28, $0100, PENDING_GRP2 ; Interrupt Vector 0x28 -- Beatrix Interrupt 0
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interrupt_x29: inthandler $29, $0200, PENDING_GRP2 ; Interrupt Vector 0x29 -- Beatrix Interrupt 1
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interrupt_x2A: inthandler $2A, $0400, PENDING_GRP2 ; Interrupt Vector 0x2A -- Beatrix Interrupt 2
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interrupt_x2B: inthandler $2B, $0800, PENDING_GRP2 ; Interrupt Vector 0x2B -- Beatrix Interrupt 3
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interrupt_x2C: inthandler $2C, $1000, PENDING_GRP2 ; Interrupt Vector 0x2C -- Reserved
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interrupt_x2D: inthandler $2D, $2000, PENDING_GRP2 ; Interrupt Vector 0x2D -- DAC1 Playback Done Interrupt (48K)
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interrupt_x2E: inthandler $2E, $4000, PENDING_GRP2 ; Interrupt Vector 0x2E -- Reserved
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interrupt_x2F: inthandler $2F, $8000, PENDING_GRP2 ; Interrupt Vector 0x2F -- DAC0 Playback Done Interrupt (44.1K)
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;
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; Unimplemented Exception Handler -- just return
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15887
src/mapfile
15887
src/mapfile
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