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FOSS architecture definitions of FPGA hardware useful for doing PnR device generation.

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There seems to be support added in both [f4pga-arch-defs](https://github.com/SymbiFlow/f4pga-arch-defs/blob/main/xc/xc7/archs/zynq7_z020/devices/CMakeLists.txt#L1) and [prjxray-db](https://github.com/f4pga/prjxray-db/tree/master/zynq7/xc7z020clg484-1) but there are no artifacts for this part available. Is it possible to include `xc7z020clg484-1` part in `*xc7z020_test*` package?

Bumps [third_party/icestorm](https://github.com/YosysHQ/icestorm) from `10ed413` to `2bc5417`. Commits 2bc5417 Update COPYING 752c96a Change help message cb067cf Merge pull request #278 from davidthings/master 29556af Merge pull request #283 from smunaut/misc eaea10b Merge...

dependencies
third-party

The CI workflow in this repo takes ~10h to run. On the one hand, that's because running some of the tasks on the largest architectures (xc7200t) takes 5h. On the...

OS_TYPE=Linux CPU_TYPE=x86_64 'name: symbiflow_arch_def_base' 'symbiflow_arch_def_base' chmod a+x /mnt/sas1/home/zyzhang/workspace/symbiflow-arch-defs/env/downloads/Miniconda3-latest-Linux-x86_64.sh /mnt/sas1/home/zyzhang/workspace/symbiflow-arch-defs/env/downloads/Miniconda3-latest-Linux-x86_64.sh -p /mnt/sas1/home/zyzhang/workspace/symbiflow-arch-defs/env/conda -b -f PREFIX=/mnt/sas1/home/zyzhang/workspace/symbiflow-arch-defs/env/conda Unpacking payload ... Traceback (most recent call last): File "entry_point.py", line 59, in File "concurrent/futures/process.py", line...

In #2509, toolchain wrappers written in bash were moved from this repo to [chipsalliance/f4pga](https://github.com/chipsalliance/f4pga). Apart from moving them, the installation procedure was changed. Now, they are installed as a Python...

I am looking to add a new architecture, and cannot find much documentation on how the process works. I looked around in the testarch directory, but after running build for...

question
type-docs

The README should mention that 'cd build' is required before the described build targets can be accessed. Also it is unclear when/if 'conda activate' should be called for this part...

type-docs

If there is a plan to support u+ device? Thanks so much!

question

lang-verilog
lang-xml
type-sim
type-docs
arch-ice40
type-vpr

To add spartan7 into arch_def flow, I do some modification based on [this pr](https://github.com/SymbiFlow/f4pga-arch-defs/pull/2374/files) and ran the arch_defs flow completely. But how do i verify the outputs like arch.*.xml and...