| 1,6 → 1,6 |
|---|
| ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
| ;; ;; |
| ;; Copyright (C) KolibriOS team 2010-2015. All rights reserved. ;; |
| ;; Copyright (C) KolibriOS team 2010-2021. All rights reserved. ;; |
| ;; Distributed under terms of the GNU General Public License ;; |
| ;; ;; |
| ;; rhine.asm ;; |
| 21,6 → 21,8 |
|---|
| ;; ;; |
| ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
| |
| ; TODO: test for RX-overrun |
| |
| format PE DLL native |
| entry START |
| |
| 33,8 → 35,8 |
|---|
| __DEBUG__ = 1 |
| __DEBUG_LEVEL__ = 2 ; 1 = all, 2 = errors only |
| |
| TX_RING_SIZE = 4 |
| RX_RING_SIZE = 4 |
| TX_RING_SIZE = 32 |
| RX_RING_SIZE = 32 |
| |
| ; max time out delay time |
| W_MAX_TIMEOUT = 0x0FFF |
| 1405,13 → 1407,13 |
|---|
| ;; ;; |
| ;; In: buffer pointer in [esp+4] ;; |
| ;; pointer to device structure in ebx ;; |
| ;; Out: eax = 0 on success ;; |
| ;; ;; |
| ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
| align 4 |
| 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] |
| 1422,10 → 1424,11 |
|---|
| [eax+13]:2,[eax+12]:2 |
| |
| cmp [esi + NET_BUFF.length], 1514 |
| ja .fail |
| ja .error |
| cmp [esi + NET_BUFF.length], 60 |
| jb .fail |
| jb .error |
| |
| ; Program the descriptor |
| movzx eax, [ebx + device.cur_tx] |
| mov ecx, sizeof.tx_head |
| mul ecx |
| 1433,7 → 1436,7 |
|---|
| add edi, eax |
| |
| cmp [edi + tx_head.buff_addr_virt], 0 |
| jne .fail |
| jne .overrun |
| |
| mov eax, esi |
| mov [edi + tx_head.buff_addr_virt], eax |
| 1463,18 → 1466,29 |
|---|
| add dword [ebx + device.bytes_tx], ecx |
| adc dword [ebx + device.bytes_tx + 4], 0 |
| |
| DEBUGF 1,"Transmit OK\n" |
| popf |
| spin_unlock_irqrestore |
| xor eax, eax |
| ret |
| |
| .fail: |
| DEBUGF 2,"Transmit failed\n" |
| .error: |
| DEBUGF 2, "TX packet error\n" |
| inc [ebx + device.packets_tx_err] |
| invoke NetFree, [bufferptr] |
| popf |
| |
| spin_unlock_irqrestore |
| or eax, -1 |
| ret |
| |
| .overrun: |
| DEBUGF 2, "TX overrun\n" |
| inc [ebx + device.packets_tx_ovr] |
| invoke NetFree, [bufferptr] |
| |
| spin_unlock_irqrestore |
| or eax, -1 |
| ret |
| |
| |
| endp |
| |
| |
| 1484,42 → 1498,23 |
|---|
| ;; 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 which made IRQ occur |
| 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], IntrStatus |
| in ax, dx |
| out dx, ax ; send it back to ACK |
| test ax, ax |
| jnz .got_it |
| .continue: |
| add esi, 4 |
| dec ecx |
| jnz .nextdevice |
| .nothing: |
| pop edi esi ebx |
| xor eax, eax |
| jz .nothing |
| |
| ret ; If no device was found, abort (The irq was probably for a device, not registered to this driver) |
| out dx, ax ; ACK interrupt |
| DEBUGF 1, "Status=0x%x\n", ax |
| |
| |
| .got_it: |
| DEBUGF 1, "status=0x%x\n", ax |
| |
| push ax |
| |
| test ax, IntrRxDone |
| 1652,10 → 1647,15 |
|---|
| |
| ret |
| |
| .nothing: |
| pop edi esi ebx |
| xor eax, eax |
| |
| ret |
| |
| |
| |
| |
| ; End of code |
| |
| data fixups |