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| Rev 2852 | Rev 2935 | ||
|---|---|---|---|
| Line 737... | Line 737... | ||
| 737 | ;;;;;;;;;;;;;;;;;;;;;;; |
737 | ;;;;;;;;;;;;;;;;;;;;;;; |
| 738 | ;; ;; |
738 | ;; ;; |
| 739 | ;; Interrupt handler ;; |
739 | ;; Interrupt handler ;; |
| 740 | ;; ;; |
740 | ;; ;; |
| 741 | ;;;;;;;;;;;;;;;;;;;;;;; |
741 | ;;;;;;;;;;;;;;;;;;;;;;; |
| - | 742 | ||
| 742 | align 4 |
743 | align 4 |
| 743 | int_handler: |
744 | int_handler: |
| Line 744... | Line 745... | ||
| 744 | 745 | ||
| Line 745... | Line 746... | ||
| 745 | DEBUGF 1,"\nIRQ %x\n", eax:2 ; no, you cant replace 'eax:2' with 'al', this must be a bug in FDO |
746 | DEBUGF 1,"\n%s int\n", my_service |
| Line 746... | Line -... | ||
| 746 | - | ||
| 747 | ; find pointer of device wich made IRQ occur |
747 | |
| 748 | 748 | ; find pointer of device wich made IRQ occur |
|
| 749 | mov esi, device_list |
749 | |
| - | 750 | mov ecx, [devices] |
|
| 750 | mov ecx, [devices] |
751 | test ecx, ecx |
| 751 | test ecx, ecx |
752 | jz .nothing |
| Line 752... | Line 753... | ||
| 752 | jz .fail |
753 | mov esi, device_list |
| 753 | .nextdevice: |
754 | .nextdevice: |
| 754 | mov ebx, dword [esi] |
755 | mov ebx, [esi] |
| 755 | 756 | ||
| 756 | set_io 0 |
- | |
| 757 | set_io REG_ISR |
- | |
| 758 | in ax , dx |
- | |
| 759 | out dx , ax ; send it back to ACK |
757 | set_io 0 |
| 760 | 758 | set_io REG_ISR |
|
| 761 | add esi, 4 |
759 | in ax, dx |
| - | 760 | out dx, ax ; send it back to ACK |
|
| 762 | 761 | test ax, ax |
|
| 763 | test ax , ax |
762 | jnz .got_it |
| 764 | jnz .got_it |
763 | .continue: |
| 765 | 764 | add esi, 4 |
|
| Line 766... | Line 765... | ||
| 766 | dec ecx |
765 | dec ecx |
| Line 767... | Line -... | ||
| 767 | jnz .nextdevice |
- | |
| 768 | - | ||
| 769 | ret ; If no device was found, abort (The irq was probably for a device, not registered to this driver) |
766 | jnz .nextdevice |
| Line 770... | Line 767... | ||
| 770 | 767 | .nothing: |
|
| 771 | .got_it: |
768 | ret ; If no device was found, abort (The irq was probably for a device, not registered to this driver) |
| - | 769 | ||
| 772 | 770 | .got_it: |
|
| 773 | ; looks like we've found it! |
771 | |
| 774 | 772 | DEBUGF 1,"Device: %x Status: %x ", ebx, ax |
|
| Line 775... | Line 773... | ||
| 775 | ; Lets found out why the irq occured then.. |
773 | |