clifford changed the topic of #yosys to: Yosys Open SYnthesis Suite: http://www.clifford.at/yosys/ -- Channel Logs: https://irclog.whitequark.org/yosys
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<daveshah> I wonder if companies will change their mind once there is a full, practical bitstream flow for 7-series available....
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<awygle> https://twitter.com/c60k28/status/977567955583209472 what happened to those guys...?
<daveshah> Hmmm
<tpb> Title: GitHub - djn3m0/debit: Reverse-engineering tools for FPGA bitstreams, Altera and Xilinx (at github.com)
<daveshah> It seems to still exist
<sorear> haven't found details on what "unfavorable attention" constitutes
<daveshah> The usual cease and desist notice, I would imagine
<daveshah> I find it hard to imagine what Altera would be able to claim though
<sorear> probably. I can't find any case files online for Altera and Jean-Baptiste Note or Éric Rannaud
<daveshah> I highly doubt it ever got to the point of an actual case, that would certainly be heavily publicised
<daveshah> Could have just been Altera threatening to remove the uni's freebies
<sorear> oh that's very likely
<daveshah> Altera don't mess about wrt bitstreams though - http://caselaw.findlaw.com/us-9th-circuit/1302809.html
<tpb> Title: ALTERA CORPORATION v. CLEAR LOGIC INCORPORATED | FindLaw (at caselaw.findlaw.com)
<awygle> Depending on how the RE is done it could violate the terms of service
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<philtor> Yeah, I thought Xilinx was similarly agressive, yet we're able to generate some Xilinx7 bitstreams with yosys - what happened there?
<awygle> Small point of order, Yosys can synthesize to the Xilinx primitives but not create a bitstream. That's project x-ray (have they actually generated any bitstreams yet?)
<philtor> oh, I see.
<philtor> So you still need Vivado to go from those primitives (blif file?) to bitstream
<daveshah> I think bitstream generation is working. It's place and route that's missing - but is certainly being worked on
<philtor> how do you get to bitstream without p&r?
<daveshah> Manually
<daveshah> A language has been developed called "FPGA assembly"
<philtor> link? Google not returning anything relevant for "fpga assembly"
<tpb> Title: FASM and xc7patch proof of concept using partial reconfig flow by kc8apf · Pull Request #55 · SymbiFlow/prjxray · GitHub (at github.com)
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<tpb> Title: prjxray/roi_noninv.fasm at b6f754dae7f4f9a2f073166c66f645d68b92ce3d · kc8apf/prjxray · GitHub (at github.com)
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<kc8apf> philtor: we've only documented CLBs and interconnect so far. We patch an existing bitstream that sets up IOBs, etc.
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<ZipCPU> philtor: Thank you for your encouraging comments.
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