| 1027,15 → 1027,14 |
|---|
| ; Description |
| ; Transmits a packet of data via the ethernet card |
| ; |
| ; Destroyed registers |
| ; eax, edx, esi, edi |
| ; In: pointer to device structure in ebx |
| ; Out: eax = 0 on success |
| ; |
| ;*************************************************************************** |
| |
| align 16 |
| proc transmit stdcall bufferptr |
| |
| pushf |
| cli |
| spin_lock_irqsave |
| |
| mov esi, [bufferptr] |
| DEBUGF 1,"Transmitting packet, buffer:%x, size:%u\n", [bufferptr], [esi + NET_BUFF.length] |
| 1107,7 → 1106,7 |
|---|
| add dword [ebx + device.bytes_tx], ecx |
| adc dword [ebx + device.bytes_tx + 4], 0 |
| |
| popf |
| spin_unlock_irqrestore |
| xor eax, eax |
| ret |
| |
| 1116,7 → 1115,7 |
|---|
| inc [ebx + device.packets_tx_err] |
| invoke NetFree, [bufferptr] |
| |
| popf |
| spin_unlock_irqrestore |
| or eax, -1 |
| ret |
| |
| 1125,7 → 1124,7 |
|---|
| inc [ebx + device.packets_tx_ovr] |
| invoke NetFree, [bufferptr] |
| |
| popf |
| spin_unlock_irqrestore |
| or eax, -1 |
| ret |
| |
| 1138,44 → 1137,29 |
|---|
| ;; Interrupt handler ;; |
| ;; ;; |
| ;;;;;;;;;;;;;;;;;;;;;;; |
| |
| align 4 |
| align 16 |
| int_handler: |
| |
| push ebx esi edi |
| |
| DEBUGF 1,"INT\n" |
| mov ebx, [esp+4*4] |
| DEBUGF 1,"INT for 0x%x\n", ebx |
| |
| ; find pointer of device wich made IRQ occur |
| ; TODO? if we are paranoid, we can check that the value from ebx is present in the current device_list |
| |
| mov ecx, [devices] |
| test ecx, ecx |
| jz .nothing |
| mov esi, device_list |
| .nextdevice: |
| mov ebx, [esi] |
| |
| set_io [ebx + device.io_addr], 0 |
| set_io [ebx + device.io_addr], REG_IntrStatus |
| in ax, dx |
| out dx, ax ; ACK all interrupts |
| test ax, ax |
| jz .nothing |
| cmp ax, 0xffff ; if so, hardware is no longer present |
| je .nothing |
| je .nothing ; |
| test ax, ax |
| jnz .got_it |
| .continue: |
| add esi, 4 |
| dec ecx |
| jnz .nextdevice |
| .nothing: |
| pop edi esi ebx |
| xor eax, eax |
| jz .nothing |
| out dx, ax ; ACK all interrupts |
| |
| ret ; If no device was found, abort (The irq was probably for a device, not registered to this driver) |
| DEBUGF 1,"Status: %x\n", ax |
| |
| .got_it: |
| DEBUGF 1,"Device: %x Status: %x\n", ebx, ax |
| |
| ;-------- |
| ; Receive |
| test ax, ISB_RxOK |
| 1326,8 → 1310,14 |
|---|
| |
| ret |
| |
| .nothing: |
| pop edi esi ebx |
| xor eax, eax |
| |
| ret |
| |
| |
| |
| align 4 |
| detect_link: |
| |