Etherbone testing #1283
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Etherbone testing #1283
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eventually it should be able to deal with bytes
* sequential is easier
* some PHYs don't like their stream to be interrupted
* when down-converting from a larger port to a smaller one,
all words after last_be > 0 need to be dicarded
* needed to get etherbone working on DW=64
* last_be does not always exist
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Changes to stream_sim.py and stream.py to make liteeth testbenches and etherbone work with a 64 bit datapath.
Corresponding liteeth pull request.
last_beand the conversion from bytes to words and vice versa. The interface towards the user is always in bytes