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From: "Sebastian Herbszt" <herbszt@gmx.de>
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Subject: Re: [Qemu-devel] ne2k_isa: how to specify a custom iobase and irq?
Date: Fri, 18 Dec 2009 22:16:34 +0100
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To: Anthony Liguori <anthony@codemonkey.ws>
Cc: Markus Armbruster <armbru@redhat.com>, qemu-devel@nongnu.org

Anthony Liguori wrote:
> Sebastian Herbszt wrote:
>> Markus Armbruster wrote:
>>> "Sebastian Herbszt" <herbszt@gmx.de> writes:
>>>
>>>> The default iobase and irq for the ne2k_isa card are 0x300 and 9.
>>>> It should be possible to override both using the "-net" syntax like
>>>> "-net nic,model=ne2k_isa,irq=5,iobase=0x280".
>>>
>>> -device ne2k_isa,irq=5,iobase=0x280
>>
>> If i specify "-net nic,model=pcnet" i end up only with a pcnet nic. With
>> the above syntax i get a e1000 and a ne2k_isa. It also loads the e1000 
>> rom.
> 
> Can you supply the full command lines.  I'm a little confused about what 
> you're reporting.

"qemu -device ne2k_isa,irq=10" and "info qtree" has e1000 and ne2k_isa.
"qemu -net nic,model=pcnet" and "info qtree" has only pcnet.

Maybe because of hw/pc.c:

        if (!pci_enabled || (nd->model && strcmp(nd->model, "ne2k_isa") == 0))
            pc_init_ne2k_isa(nd);
        else
            pci_nic_init_nofail(nd, "e1000", NULL);

- Sebastian