| 739,43 → 739,41 |
|---|
| ;; Interrupt handler ;; |
| ;; ;; |
| ;;;;;;;;;;;;;;;;;;;;;;; |
| |
| align 4 |
| int_handler: |
| |
| DEBUGF 1,"\nIRQ %x\n", eax:2 ; no, you cant replace 'eax:2' with 'al', this must be a bug in FDO |
| DEBUGF 1,"\n%s int\n", my_service |
| |
| ; find pointer of device wich made IRQ occur |
| |
| mov esi, device_list |
| mov ecx, [devices] |
| test ecx, ecx |
| jz .fail |
| jz .nothing |
| mov esi, device_list |
| .nextdevice: |
| mov ebx, dword [esi] |
| mov ebx, [esi] |
| |
| set_io 0 |
| set_io REG_ISR |
| in ax , dx |
| out dx , ax ; send it back to ACK |
| |
| add esi, 4 |
| |
| test ax , ax |
| jnz .got_it |
| |
| .continue: |
| add esi, 4 |
| dec ecx |
| jnz .nextdevice |
| |
| .nothing: |
| ret ; If no device was found, abort (The irq was probably for a device, not registered to this driver) |
| |
| .got_it: |
| |
| ; looks like we've found it! |
| DEBUGF 1,"Device: %x Status: %x ", ebx, ax |
| |
| ; Lets found out why the irq occured then.. |
| |
| ;---------------------------------------------------- |
| ; Received packet ok? |
| |
| test ax, ISR_ROK |
| jz @f |
| push ax |