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| sf-slack | <jason1234309> My name is Jason Prescott and I am working with Professor Nelson at BYU. I am currently working to add examples to the symbiflow examples repo and I was wondering if there is someone working on the symbiflow examples who could help me to understand how the .sdc files work with the examples. | 01:28 |
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| HackerFoo | jason1234309: Have you seen this? https://symbiflow.readthedocs.io/en/latest/vtr-verilog-to-routing/doc/src/vpr/sdc_commands.html | 01:42 |
| tpb | Title: SDC Commands SymbiFlow (at symbiflow.readthedocs.io) | 01:42 |
| sf-slack | <jason1234309> thank you I think that is what I needed | 01:44 |
| HackerFoo | Has anyone seen this error from Yosys before? | 01:44 |
| HackerFoo | ERROR: Assert `(unsigned)*c > (unsigned)' '' failed in ./kernel/rtlil.h:168. | 01:44 |
| HackerFoo | It seems like there is a space (or a character <= 0x20) in a string somewhere, and Yosys doesn't like it. But I don't know where it would come from. | 01:47 |
| HackerFoo | https://hydra.vtr.tools/build/7882/nixlog/1/tail | 01:47 |
| tpb | Title: Hydra - Log of step 1 of build 7882 of job dusty:fpga-tool-perf: (at hydra.vtr.tools) | 01:47 |
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| sf-slack | <timo.callahan> Hi @jason1234309, I'm your guy, at least in US timezones. | 03:27 |
| sf-slack | <timo.callahan> Ah @hackerfoo has the info for you already, thanks! | 03:31 |
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| HackerFoo | Has anyone gotten Ibex working for 200T? If so, which Yosys revision? | 06:07 |
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| sf-slack | <rwinkler> HackerFoo: The Ibex example on A200T is available in the symbiflow arch-defs xc7 tests: https://github.com/SymbiFlow/symbiflow-arch-defs/blob/master/xc/xc7/tests/soc/ibex/CMakeLists.txt#L46 Today I will publish the PR which uses SystemVerilog sources -> sv2v -> SymbiFlow for generating the bitstream. The design works with the latest conda package used by symbiflow-arch-defs: | 12:22 |
| sf-slack | https://github.com/SymbiFlow/symbiflow-arch-defs/blob/master/environment.yml#L6 (Yosys 0.9+2406 (git sha1 d8b2d1a2)) | 12:23 |
| tpb | Title: symbiflow-arch-defs/CMakeLists.txt at master · SymbiFlow/symbiflow-arch-defs · GitHub (at github.com) | 12:23 |
| tpb | Title: symbiflow-arch-defs/environment.yml at master · SymbiFlow/symbiflow-arch-defs · GitHub (at github.com) | 12:23 |
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| HackerFoo | @rwinkler Thanks. I'm using the same version of Yosys, but a later version of symbiflow-yosys-plugins, so maybe that's it. | 13:41 |
| sf-slack | <rwinkler> HackerFoo: Here is the updated Ibex example which uses sv2v https://github.com/SymbiFlow/symbiflow-arch-defs/pull/1648 Maybe It will be useful for you | 13:44 |
| tpb | Title: Add sv2v conversion to SymbiFlow build system by rw1nkler · Pull Request #1648 · SymbiFlow/symbiflow-arch-defs · GitHub (at github.com) | 13:44 |
| HackerFoo | @rwinkler Thanks | 13:44 |
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| -_whitenotifier-3- [yosys-symbiflow-plugins] kamilrakoczy opened issue #28: Add support for setting default DRIVE value in XDC plugin - https://git.io/JUUKv | 14:28 | |
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| mithro | @litghost - Does this make sense -> https://docs.google.com/drawings/d/1qcsCVXU1KjqwAIjr-cMi9tYcbuNa2wFZV448H5HGsMA/edit | 18:54 |
| tpb | Title: Where in SymbiFlow to add that test and/or example? - Google Drawings (at docs.google.com) | 18:54 |
| mithro | https://docs.google.com/spreadsheets/d/1G-E2Dq8YG4g9Z6mTygpumwlI_vNlFUQinc9gMgePfec/edit#gid=0 <- XDC / SDC support tracking | 18:54 |
| tpb | Title: XDC commands supported by SymbiFlow Yosys Plugins - Google Sheets (at docs.google.com) | 18:54 |
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| * shapr hugs mithro for being awesome | 20:00 | |
| shapr | good thing IRC is socially distant | 20:00 |
| mithro | shapr: Oh? What I do this time... | 20:17 |
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