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-   -   FPGA netlist from Bitstream (https://forum.exetools.com/showthread.php?t=18884)

eychei 08-04-2018 18:23

FPGA netlist from Bitstream
 
Hi everyone,

can someone help me out in reversing an fpga bitstream?
Does anyone have knowledge in this filed?

It is an artix7 bitstream with picoblaze and microblaze softcore. I am trying to extract the code for these.
Would also be nice to get a netlist or a verilog file back from the bitstream, but seems impossible.

Best wishes
-e

HarrySpoofer 08-21-2018 20:55

Did you see these FPGA bitstream reversing presentations already?
https://www.youtube.com/watch?v=u1ZHcSNDQMM
https://www.youtube.com/watch?v=Y1Wwa8csFjk

debugasm 08-26-2018 15:52

You can find info at this github:

Reverse-engineering tools for FPGA bitstreams, Altera and Xilinx

or to "fpgadeveloper.com":

How to read an NGC netlist file

debugasm

eychei 09-03-2018 01:39

Thank you all for the links.

I do have an extracted microblaze binary now.
I can disassemble no problem but there is no decompiler I could find.
I will open a new thread for that.

thx

-e


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