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f4pga

6 indexed repositories · View on GitHub

prjxray
Documenting the Xilinx 7-series bit-stream format.

Python · 914 stars
f4pga-arch-defs
FOSS architecture definitions of FPGA hardware useful for doing PnR device generation.

Jupyter Notebook · 314 stars
ideas
Random ideas and interesting ideas for things we hope to eventually do.

86 stars
prjuray
Documenting the Xilinx Ultrascale, Ultrascale+ and UltraScale MPSoC series bit-stream format.

SystemVerilog · 84 stars
f4pga-website

SCSS · 3 stars
actions
GitHub Actions to be reused in CI workflows

Python · 2 stars

Open All

512 open issues indexed

Make a Yosys plugin that does the inout port split Open

f4pga/f4pga-arch-defs#1172 · 2 comments · 1 reaction · 0 assignees · Indexed Sep 15, 2026
Add prjxray + prjxray-db information to htmlgen.py output Open

good first issue help wanted

f4pga/prjxray#2 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Move horrible stuff from prjxray-db/.travis into htmlgen (or similar) script Open

good first issue help wanted

f4pga/prjxray#10 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
MUXF8 vivado compatibility Open

f4pga/prjxray#14 · 21 comments · 3 reactions · 1 assignee · Indexed Sep 15, 2026
Render a block diagram of the xilinx_bitstream.ksy file into the Sphinx Docs Open

good first issue help wanted

f4pga/prjxray#106 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 15, 2026
Find generic algorithm to find tileconn.json for remaining wires Open

enhancement help wanted parts-fuzzers

f4pga/prjxray#129 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Document and test new database extraction Open

enhancement parts-docs

f4pga/prjxray#132 · 4 comments · 0 reactions · 1 assignee · Indexed Sep 15, 2026
IDCODE mismatch errors are vague Open

devices-artix enhancement help wanted parts-tools

f4pga/prjxray#135 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Document and test prjxray library Open

enhancement help wanted parts-tools

f4pga/prjxray#141 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Add README for all the fuzzers Open

f4pga/prjxray#150 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
segprint: use TileSegbits via db.get_tile_segbits Open

f4pga/prjxray#226 · 2 comments · 1 reaction · 0 assignees · Indexed Sep 15, 2026
Rework the database directory structure Open

enhancement help wanted

f4pga/prjxray#302 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
lib prjxray: less dependent on .json files Open

enhancement

f4pga/prjxray#303 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
dbfixup: automatically create .dbf files Open

f4pga/prjxray#347 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
mergedb should warn when dropping entries Open

bug parts-tools

f4pga/prjxray#366 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Document XADC config bits Open

help wanted

f4pga/prjxray#428 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
tilegrid: automatically generate number of frames Open

enhancement

f4pga/prjxray#444 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Get cloudbuild / Docker building working again Open

in-progress parts-infra

f4pga/prjxray#459 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Consolidate copied picorv32.v Open

enhancement good first issue parts-experiments parts-fuzzers

f4pga/prjxray#483 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Rename pip to int fuzzers Open

enhancement parts-fuzzers

f4pga/prjxray#484 · 3 comments · 0 reactions · 1 assignee · Indexed Sep 15, 2026
Make each fuzzer output a test_results.xml file Open

enhancement help wanted parts-fuzzers parts-infra

f4pga/prjxray#494 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Understand effects of faulty bitstreams Open

enhancement help wanted

f4pga/prjxray#498 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
maketodo verbose should print on stderr Open

good first issue

f4pga/prjxray#521 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Document how to use pip loop fuzzers Open

enhancement help wanted

f4pga/prjxray#530 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Investigate antenna nets to solve PIPs faster Open

f4pga/prjxray#541 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Have INT fuzzers overlap L and R samples Open

devices-all enhancement parts-fuzzers

f4pga/prjxray#590 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
When using run_fuzzer.py, second retry uses only 1 process Open

bug in-progress parts-fuzzers parts-infra

f4pga/prjxray#635 · 1 comment · 0 reactions · 1 assignee · Indexed Sep 15, 2026
Document remaining BRAM bits Open

devices-all enhancement parts-fuzzers

f4pga/prjxray#669 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Figure out why htmlgen is reporting unknown bits Open

bug devices-artix

f4pga/prjxray#678 · 1 comment · 0 reactions · 1 assignee · Indexed Sep 15, 2026
Test output on CI cleanup needed Open

f4pga/prjxray#713 · 10 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Organize the tests in xc7 tests directory Open

f4pga/f4pga-arch-defs#1194 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Support for block rams with data width of 2 Open

f4pga/f4pga-arch-defs#1206 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
"No possible path" Routing issue Open

f4pga/f4pga-arch-defs#1226 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Inorrect latches techmaps Open

f4pga/f4pga-arch-defs#1238 · 1 comment · 2 reactions · 0 assignees · Indexed Sep 15, 2026
parse_pdf_modules.py seems to be not working Open

f4pga/f4pga-arch-defs#1243 · 16 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Create a tool to extract the library definitions from the Spartan 6 Library User Guide Open

f4pga/f4pga-arch-defs#1246 · 7 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Incorrect handling of OSERDES inputs in the techmap Open

f4pga/f4pga-arch-defs#1258 · 6 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Proper handling of IOSTANDARD for the PUDC_B pin site Open

f4pga/f4pga-arch-defs#1263 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
xc7z020 part is taking a huge amount of time building the lookahead Open

f4pga/f4pga-arch-defs#1264 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
32-bit LUT-RAM are not correctly implemented Open

arch-artix7 bug good first issue help wanted

f4pga/f4pga-arch-defs#1269 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Combinatorial Loop after running fasm2bels Open

f4pga/f4pga-arch-defs#1278 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
SDC/XDC create_clock and set_false_path constraints should propigate through Yosys Open

f4pga/f4pga-arch-defs#1291 · 9 comments · 0 reactions · 1 assignee · Indexed Sep 15, 2026
LV timing model workaround Open

arch-artix7 cleanup help wanted todo :spiral_notepad:

f4pga/f4pga-arch-defs#1326 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Integrate vivado timing analysis parser to xc7 vendor CI Open

f4pga/f4pga-arch-defs#1329 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 15, 2026
Vivado errors on some valid clock placements Open

f4pga/f4pga-arch-defs#1346 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Empty directories with just CMakefiles? Open

f4pga/f4pga-arch-defs#1401 · 4 comments · 0 reactions · 1 assignee · Indexed Sep 15, 2026
Broken documentation for dram Open

f4pga/f4pga-arch-defs#1402 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 15, 2026
Add CI to detect CMakeLists.txt files which are not used / dead Open

f4pga/f4pga-arch-defs#1403 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 15, 2026
Add license header to top of all code files Open

f4pga/f4pga-arch-defs#1414 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Cannot pack MUXF8 with new yosys master+wip Open

f4pga/f4pga-arch-defs#1425 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026

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