Regarding ARM on Genode virt_qemu_arm_v8a

[Divya Sharma]

On Sat, Mar 25, 2023 at 2:28 PM Divya Sharma <divyasharma26546 at gmail.com>
wrote:

> Thanks Norman for your suggestion.
> I modified the sculpt.run as you said but still the uplink session is not
> getting created may be because of the label mismatch.
>
> [init] Warning: drivers: no route to service "Uplink" (label="drivers ->
> virtio_mmio_nic -> ")
> [init -> drivers -> virtio_mmio_nic] Error: Uplink-session creation failed
> (ram_quota=3538944, cap_quota=8, mac_address="52:54:00:12:34:56",
> tx_buf_size=1638400, rx_buf_size=1638400, label="")
> [init -> drivers -> virtio_mmio_nic] Error: Uncaught exception of type
> 'Genode::Service_denied'
>
>
> I  tried to figure it out by inspecting the run scripts and runtime
> configuration  working behind the scenes but I  am not able to provide that
> route to nic_router.So,Is there anything that needs to be changed in [1]
> to give the route to the uplink session.
> Also as you said that by default  Sculpt labels the nic driver as
> "nic_drv" so is there any way to make it to virtio_mmio_nic by modifying
> these .cc files  [2],[3],[4].Maybe i could be wrong for it.
>
> Then kindly guide me towards it.
> Also i am sharing the modification that i did to scripts.
>
> [1]
> https://github.com/genodelabs/genode/blob/master/repos/gems/run/sculpt.run#L153
> [2]
> https://github.com/genodelabs/genode/blob/master/repos/gems/src/app/sculpt_manager/network.cc
> [3]
> https://github.com/genodelabs/genode/blob/master/repos/gems/src/app/sculpt_manager/runtime/nic_drv.cc
> [4]
> https://github.com/genodelabs/genode/blob/master/repos/gems/src/app/sculpt_manager/runtime/nic_router.cc
>
>
> Best
> Divya.
>
> Dear Norman Feske ,
Is there any way possible to do so then kindly help me with this.

Thanks,
Divya,




> On Wed, Mar 15, 2023 at 4:53 PM Norman Feske <norman.feske at genode-labs.com>
> wrote:
>
>> Hello Divya,
>>
>> On 2023-03-15 11:27, Divya Sharma wrote:
>> > As you said i launched only  [init -> runtime -> virtio_mmio_nic]
>> > component,but still the runtime version is not getting the mac
>> > address,as seen in the log ,don't why.Is there anything left for
>> routing
>> > the uplink request from nic driver to virtio_mmio_nic.
>>
>> may [1] be the missing piece of the puzzle?
>>
>> [1]
>>
>> https://github.com/genodelabs/genode/blob/master/repos/gems/run/sculpt.run#L153
>>
>> By convention, Sculpt labels the nic driver as "nic_drv". When the
>> sculpt manager generates the <start> node for runtime, it uses this
>> generic name as binary name. Also, the <policy> node generated for the
>> nic router takes this name as key for selecting the network domain.
>>
>> If the label does not match, the nic router leaves the uplink session
>> unused because it has no matching policy.
>>
>> To bridge the gap between the generic convention and the platform-
>> specific driver name, the sculpt.run script uses the 'nic_drv' and
>> 'nic_drv_dtb' functions to rewrite the labels for the ROM sessions for
>> the binary and dtb to the corresponding platform-specific names of the
>> ROM modules at core.
>>
>> Cheers
>> Norman
>>
>> --
>> Dr.-Ing. Norman Feske
>> Genode Labs
>>
>> https://www.genode-labs.com · https://genode.org
>>
>> Genode Labs GmbH · Amtsgericht Dresden · HRB 28424 · Sitz Dresden
>> Geschäftsführer: Dr.-Ing. Norman Feske, Christian Helmuth
>>
>>
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>
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