[lowrisc-dev] Re: Ethernet Support on the rocket FPGA implementation

Pawan Reddy Sibbala ps849 at cornell.edu
Sun Apr 17 21:34:59 BST 2016


Hello Wei,

It would be great if you could give your thoughts on this. Looking forward
to hearing from you.

Thanks,
Pawan

On Tue, Apr 12, 2016 at 10:54 PM, Pawan Reddy Sibbala <ps849 at cornell.edu>
wrote:

> Hi Wei,
>
> I have a question about ethernet support on the rocket FPGA implementation
> ( tethered and untethered versions ).
>
> In the tethered version, it is mentioned that HTIF is used to service
> system calls for peripheral device emulation. Can rocket core on the FPGA
> send packets over the ethernet? I don't think it has support for it but I'm
> trying to get a sense of what needs to changed/added to make this support?
> Could you give your thoughts on how one can do this?
>
> It seems like the untethered version has support for UART and SD card. How
> different would it be to add ethernet support for this when compared to the
> tethered version with HTIF?
>
>
> Thanks,
> Pawan
>



-- 
Pawan Reddy Sibbala
M.Eng ECE
Cornell University


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