Hi Cyberphox,
as Marcus Leech alludes to, there's many things that actually affect the generation of
bitstreams for FPGA programming. You will need to capture all these variables.
> Basically if I take the file changes from my colleague and build the FPGA starting from
the same reference branch, create my own working branch off this and copy them in, build
the FPGA I get the same bitfile binary with only the date/time stamp difference. Once I
commit the changes and then build it once again, the bitfile has a lot of differences.
It's a bitstream for an FPGA, not, say, an ELF file; so minor modifications leading to
different layout sounds not unexpected.
Best,
Marcus M
On 31.10.23 10:28, cyberphox wrote:
Hi all,
We have built our own RFNOC block and are trying to do a clean build and compare the
generated bit file against the original files from the FPGA developer.
I would like to know if the bitfile generated has some dependency with the GIT commit in
some way.
Basically if I take the file changes from my colleague and build the FPGA starting from
the same reference branch, create my own working branch off this and copy them in, build
the FPGA I get the same bitfile binary with only the date/time stamp difference. Once I
commit the changes and then build it once again, the bitfile has a lot of differences.
Thanks for taking time to read this.
All the best
marino
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