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本帖最后由 landker 于 2012-11-23 16:56 编辑
本人写了一个极其简单的小kernel,想在里面加上网络模块,因而想写一个网卡驱动。由于需要使用到bochs(里面模拟的是ne2000/8029),因而想请教一下:
1)在 bochs 的配置文件里,该如何对e2k 进行配置?
我翻了一下资料,大致上配置的格式如下:
#ne2k: enabled=1, ioaddr=0x300, irq=11, mac=11:22:33:44:55:66, ethmod=null, ethdev=eth0
#ne2k: enabled=1, ioaddr=0x300, irq=11, mac=11:22:33:44:55:66, ethmod=vnet, ethdev=eth0
#ne2k: enabled=1, ioaddr=0x300, irq=11, mac=11:22:33:44:55:66, ethmod=null, ethdev=tap1
#ne2k: enabled=1, ioaddr=0x300, irq=11, mac=11:22:33:44:55:66, ethmod=vnet, ethdev=tap1
#ne2k: enabled=1, ioaddr=0x300, irq=11, mac=11:22:33:44:55:66, ethmod=tuntap, ethdev=/dev/net/tun
上面3种我都试过(在测试的时候,已在环境中实现了tap0,tap1这2个接口),但无论怎样,我还是不能成功收发包。
2)在bochs里,在驱动程序的初始化里,到底需要怎样才能正常启动rtl8029?
附(以下是我使用“ne2k: enabled=1, ioaddr=0x300, irq=11, mac=11:22:33:44:55:66, ethmod=null, ethdev=eth0”配置启动bochs后,系统在执行“我写的rtl8029驱动的初始化模块“后的有关 ne2k 方面的信息):
使用“ne2k: enabled=1, ioaddr=0x300, irq=11, mac=11:22:33:44:55:66, ethmod=null, ethdev=eth0”配置启动bochs后输出的信息
00000000000i[ ] Devices configuration
00000000000i[ ] NE2000 support: yes
00000000000i[ ] PCI support: yes, enabled=yes
00000000000i[PCI ] PCI slot #1 used by plugin 'ne2k'
00000000000i[PCI ] NE2000 PCI NIC present at device 2, function 0
00000000000i[NE2K ] NE2000 PCI NIC initialized mac 11:22:33:44:55:66
00000000000i[NE2K ] null network driver
00001382559i[BIOS ] PCI: bus=0 devfn=0x10: vendor_id=0x10ec device_id=0x8029 class=0x0200
00001382652i[NE2K ] new base address: 0xc020
00001383286i[BIOS ] region 0: 0x0000c020
00001383532i[NE2K ] new irq line = 9
执行“我写的rtl8029驱动的初始化模块“后输出的信息:
00028951836e[NE2K ] page 3 write register 0x01 attempted
00028951853e[NE2K ] page 3 write register 0x05 attempted
00028951870e[NE2K ] page 3 write register 0x06 attempted
00028951887e[NE2K ] page 3 write register 0x01 attempted
00028951994i[NE2K ] RCR write, reserved bits set
00028951994i[NE2K ] RCR write, monitor bit set!
00028952011e[NE2K ] TCR write, reserved bits set
00028952011i[NE2K ] TCR write, loop mode 1 not supported
00028952271i[NE2K ] Physical address set to 11:22:33:44:55:66
00028952446i[NE2K ] RCR write, reserved bits set
00028952463e[NE2K ] TCR write, reserved bits set
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