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Handlers for all interrupts

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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 2021-12-18 16:03:51 -05:00
parent 0ab19057c7
commit 4c056593eb
3 changed files with 12302 additions and 12242 deletions
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8517
src/foenixmcp.s68
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140
src/m68040/startup_m68040.s
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@ -90,36 +90,36 @@ PENDING_GRP2 = $FEC00104
dc.l interrupt_x10 ; 64 - Interrupt 0x10 - SuperIO - PS/2 Keyboard dc.l interrupt_x10 ; 64 - Interrupt 0x10 - SuperIO - PS/2 Keyboard
dc.l interrupt_x11 ; 65 - Interrupt 0x11 - A2560K Built-in Keyboard (Mo) dc.l interrupt_x11 ; 65 - Interrupt 0x11 - A2560K Built-in Keyboard (Mo)
dc.l interrupt_x12 ; 66 - Interrupt 0x12 - SuperIO - PS/2 Mouse dc.l interrupt_x12 ; 66 - Interrupt 0x12 - SuperIO - PS/2 Mouse
dc.l not_impl ; 67 - Interrupt 0x13 - SuperIO - COM1 dc.l interrupt_x13 ; 67 - Interrupt 0x13 - SuperIO - COM1
dc.l not_impl ; 68 - Interrupt 0x14 - SuperIO - COM2 dc.l interrupt_x14 ; 68 - Interrupt 0x14 - SuperIO - COM2
dc.l not_impl ; 69 - Interrupt 0x15 - SuperIO - LPT1 dc.l interrupt_x15 ; 69 - Interrupt 0x15 - SuperIO - LPT1
dc.l not_impl ; 70 - Interrupt 0x16 - SuperIO - Floppy Disk Controller dc.l interrupt_x16 ; 70 - Interrupt 0x16 - SuperIO - Floppy Disk Controller
dc.l not_impl ; 71 - Interrupt 0x17 - SuperIO - MIDI dc.l interrupt_x17 ; 71 - Interrupt 0x17 - SuperIO - MIDI
dc.l not_impl ; 72 - Interrupt 0x18 - Timer 0 dc.l interrupt_x18 ; 72 - Interrupt 0x18 - Timer 0
dc.l not_impl ; 73 - Interrupt 0x19 - Timer 1 dc.l interrupt_x19 ; 73 - Interrupt 0x19 - Timer 1
dc.l not_impl ; 74 - Interrupt 0x1A - Timer 2 dc.l interrupt_x1A ; 74 - Interrupt 0x1A - Timer 2
dc.l not_impl ; 76 - Interrupt 0x1B - Timer 3 dc.l interrupt_x1B ; 76 - Interrupt 0x1B - Timer 3
dc.l not_impl ; 75 - Interrupt 0x1C - Timer 4 dc.l interrupt_x1C ; 75 - Interrupt 0x1C - Timer 4
dc.l not_impl ; 77 - Interrupt 0x1D - Reserved dc.l interrupt_x1D ; 77 - Interrupt 0x1D - Reserved
dc.l not_impl ; 78 - Interrupt 0x1E - Reserved dc.l interrupt_x1E ; 78 - Interrupt 0x1E - Reserved
dc.l interrupt_x1F ; 79 - Interrupt 0x1F - Real Time Clock dc.l interrupt_x1F ; 79 - Interrupt 0x1F - Real Time Clock
dc.l not_impl ; 80 - Interrupt 0x20 - IDE HDD Generated Interrupt dc.l interrupt_x20 ; 80 - Interrupt 0x20 - IDE HDD Generated Interrupt
dc.l interrupt_x21 ; 81 - Interrupt 0x21 - SDCard Insert dc.l interrupt_x21 ; 81 - Interrupt 0x21 - SDCard Insert
dc.l not_impl ; 82 - Interrupt 0x22 - SDCard Controller dc.l interrupt_x22 ; 82 - Interrupt 0x22 - SDCard Controller
dc.l not_impl ; 83 - Interrupt 0x23 - Internal OPM dc.l interrupt_x23 ; 83 - Interrupt 0x23 - Internal OPM
dc.l not_impl ; 84 - Interrupt 0x24 - External OPN2 dc.l interrupt_x24 ; 84 - Interrupt 0x24 - External OPN2
dc.l not_impl ; 85 - Interrupt 0x25 - External OPL3 dc.l interrupt_x25 ; 85 - Interrupt 0x25 - External OPL3
dc.l not_impl ; 86 - Interrupt 0x26 - Reserved dc.l interrupt_x26 ; 86 - Interrupt 0x26 - Reserved
dc.l not_impl ; 87 - Interrupt 0x27 - Reserved dc.l interrupt_x27 ; 87 - Interrupt 0x27 - Reserved
dc.l not_impl ; 88 - Interrupt 0x28 - Beatrix Interrupt 0 dc.l interrupt_x28 ; 88 - Interrupt 0x28 - Beatrix Interrupt 0
dc.l not_impl ; 89 - Interrupt 0x29 - Beatrix Interrupt 1 dc.l interrupt_x29 ; 89 - Interrupt 0x29 - Beatrix Interrupt 1
dc.l not_impl ; 90 - Interrupt 0x2A - Beatrix Interrupt 2 dc.l interrupt_x2A ; 90 - Interrupt 0x2A - Beatrix Interrupt 2
dc.l not_impl ; 91 - Interrupt 0x2B - Beatrix Interrupt 3 dc.l interrupt_x2B ; 91 - Interrupt 0x2B - Beatrix Interrupt 3
dc.l not_impl ; 92 - Interrupt 0x2C - Reserved dc.l interrupt_x2C ; 92 - Interrupt 0x2C - Reserved
dc.l not_impl ; 93 - Interrupt 0x2D - DAC1 Playback Done Interrupt (48K) dc.l interrupt_x2D ; 93 - Interrupt 0x2D - DAC1 Playback Done Interrupt (48K)
dc.l not_impl ; 94 - Interrupt 0x2E - Reserved dc.l interrupt_x2E ; 94 - Interrupt 0x2E - Reserved
dc.l not_impl ; 95 - Interrupt 0x2F - DAC0 Playback Done Interrupt (44.1K) dc.l interrupt_x2F ; 95 - Interrupt 0x2F - DAC0 Playback Done Interrupt (44.1K)
code code
@ -180,49 +180,65 @@ int_dispatch:
intdis_end: movem.l (a7)+,d0-d7/a0-a6 ; Restore affected registers intdis_end: movem.l (a7)+,d0-d7/a0-a6 ; Restore affected registers
rte rte
; ;
; Interrupt Vector 0x10 -- SuperIO Keyboard ; Macro to implement an interrupt handler for the user interrupt vectors
; ;
interrupt_x10: ; Standard handlers will:
move.w #$0001,(PENDING_GRP1) ; Clear the flag for INT 10 ; 1. Save all registers
movem.l d0-d7/a0-a6,-(a7) ; Save affected registers' ; 2. Clear the pending flag for this interrupt
move.w #($10<<2),d0 ; Get the offset to interrupt 0x11 ; 3. Look for a handler registered through the system calls
; 4. Call the handler (if found)
; 5. Restore all registers
; 6. Return to the interrupted code
;
macro inthandler ; Individual interrupt handler. Parameters: interrupt number, interrupt mask, pending register
movem.l d0-d7/a0-a6,-(a7) ; Save affected registers
move.w #\2,(\3) ; Clear the flag for the interrupt
move.w #(\1<<2),d0 ; Get the offset to interrupt 0x11
bra int_dispatch bra int_dispatch
endm
; ;
; Interrupt Vector 0x11 -- A2560K "Mo" keyboard ; Group 1 Interrupt Handlers
; ;
interrupt_x11:
move.w #$0002,(PENDING_GRP1) ; Clear the flag for INT 11 interrupt_x10: inthandler $10, $0001, PENDING_GRP1 ; Interrupt Vector 0x10 -- SuperIO Keyboard
movem.l d0-d7/a0-a6,-(a7) ; Save affected registers interrupt_x11: inthandler $11, $0002, PENDING_GRP1 ; Interrupt Vector 0x11 -- A2560K "Mo" keyboard
move.w #($11<<2),d0 ; Get the offset to interrupt 0x11 interrupt_x12: inthandler $12, $0004, PENDING_GRP1 ; Interrupt Vector 0x12 -- SuperIO Mouse
bra int_dispatch ; And process the interrupt interrupt_x13: inthandler $13, $0008, PENDING_GRP1 ; Interrupt Vector 0x13 -- COM1
interrupt_x14: inthandler $14, $0010, PENDING_GRP1 ; Interrupt Vector 0x14 -- COM2
interrupt_x15: inthandler $15, $0020, PENDING_GRP1 ; Interrupt Vector 0x15 -- LPT1
interrupt_x16: inthandler $16, $0040, PENDING_GRP1 ; Interrupt Vector 0x16 -- Floppy drive controller
interrupt_x17: inthandler $17, $0080, PENDING_GRP1 ; Interrupt Vector 0x17 -- MIDI
interrupt_x18: inthandler $18, $0100, PENDING_GRP1 ; Interrupt Vector 0x18 -- Timer 0
interrupt_x19: inthandler $19, $0200, PENDING_GRP1 ; Interrupt Vector 0x19 -- Timer 1
interrupt_x1A: inthandler $1A, $0400, PENDING_GRP1 ; Interrupt Vector 0x1A -- Timer 2
interrupt_x1B: inthandler $1B, $0800, PENDING_GRP1 ; Interrupt Vector 0x1B -- Timer 3
interrupt_x1C: inthandler $1C, $1000, PENDING_GRP1 ; Interrupt Vector 0x1C -- Timer 4
interrupt_x1D: inthandler $1D, $2000, PENDING_GRP1 ; Interrupt Vector 0x1D -- Reserved
interrupt_x1E: inthandler $1E, $4000, PENDING_GRP1 ; Interrupt Vector 0x1E -- Reserved
interrupt_x1F: inthandler $1F, $8000, PENDING_GRP1 ; Interrupt Vector 0x1F -- Real Time Clock
; ;
; Interrupt Vector 0x12 -- SuperIO Mouse ; Group 2 Interrupt Handlers
; ;
interrupt_x12:
move.w #$0004,(PENDING_GRP1) ; Clear the flag for INT 12
movem.l d0-d7/a0-a6,-(a7) ; Save affected registers
move.w #($12<<2),d0 ; Get the offset to interrupt 0x11
bra int_dispatch ; And process the interrupt
; interrupt_x20: inthandler $20, $0001, PENDING_GRP2 ; Interrupt Vector 0x20 -- IDE HDD Generated Interrupt
; Interrupt Vector 0x1F -- RTC interrupt_x21: inthandler $21, $0002, PENDING_GRP2 ; Interrupt Vector 0x21 -- SDCard Insert
; interrupt_x22: inthandler $22, $0004, PENDING_GRP2 ; Interrupt Vector 0x22 -- SDCard Controller
interrupt_x1F: interrupt_x23: inthandler $23, $0008, PENDING_GRP2 ; Interrupt Vector 0x23 -- Internal OPM
move.w #$8000,(PENDING_GRP1) ; Clear the flag for INT 1F interrupt_x24: inthandler $24, $0010, PENDING_GRP2 ; Interrupt Vector 0x24 -- External OPN2
movem.l d0-d7/a0-a6,-(a7) ; Save affected registers interrupt_x25: inthandler $25, $0020, PENDING_GRP2 ; Interrupt Vector 0x25 -- External OPL3
move.w #($1f<<2),d0 ; Get the offset to interrupt 0x1f interrupt_x26: inthandler $26, $0040, PENDING_GRP2 ; Interrupt Vector 0x26 -- Reserved
bra int_dispatch ; And process the interrupt interrupt_x27: inthandler $27, $0080, PENDING_GRP2 ; Interrupt Vector 0x27 -- Reserved
; interrupt_x28: inthandler $28, $0100, PENDING_GRP2 ; Interrupt Vector 0x28 -- Beatrix Interrupt 0
; Interrupt Vector 0x21 -- SDCard Insert interrupt_x29: inthandler $29, $0200, PENDING_GRP2 ; Interrupt Vector 0x29 -- Beatrix Interrupt 1
; interrupt_x2A: inthandler $2A, $0400, PENDING_GRP2 ; Interrupt Vector 0x2A -- Beatrix Interrupt 2
interrupt_x21: interrupt_x2B: inthandler $2B, $0800, PENDING_GRP2 ; Interrupt Vector 0x2B -- Beatrix Interrupt 3
move.w #$0002,(PENDING_GRP2) ; Clear the flag for INT 21 interrupt_x2C: inthandler $2C, $1000, PENDING_GRP2 ; Interrupt Vector 0x2C -- Reserved
movem.l d0-d7/a0-a6,-(a7) ; Save affected registers interrupt_x2D: inthandler $2D, $2000, PENDING_GRP2 ; Interrupt Vector 0x2D -- DAC1 Playback Done Interrupt (48K)
move.w #($21<<2),d0 ; Get the offset to interrupt 0x21 interrupt_x2E: inthandler $2E, $4000, PENDING_GRP2 ; Interrupt Vector 0x2E -- Reserved
bra int_dispatch ; And process the interrupt interrupt_x2F: inthandler $2F, $8000, PENDING_GRP2 ; Interrupt Vector 0x2F -- DAC0 Playback Done Interrupt (44.1K)
; ;
; Unimplemented Exception Handler -- just return ; Unimplemented Exception Handler -- just return

15887
src/mapfile
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