fix(tt_um_kmakise_sram): workaround for SRAM macro DRC errors #51
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| name: gds | |
| on: | |
| workflow_dispatch: | |
| push: | |
| # Don't run on project submissions: | |
| branches-ignore: | |
| - projects/tt_um_* | |
| pull_request: | |
| # Don't run on project submissions: | |
| paths-ignore: | |
| - projects/tt_um_*/** | |
| jobs: | |
| gds: | |
| env: | |
| PYTHONIOENCODING: utf-8 | |
| PDK_ROOT: ${{ github.workspace }}/pdk | |
| TT_CONFIG: sky130.yaml | |
| # Uncomment the following line to build only the specified projects: | |
| TT_ONLY_PROJECTS: tt_um_chip_rom,tt_um_factory_test,tt_um_kmakise_sram | |
| runs-on: ubuntu-24.04 | |
| steps: | |
| - name: checkout repo | |
| uses: actions/checkout@v4 | |
| with: | |
| submodules: recursive | |
| - name: setup python | |
| uses: actions/setup-python@v5 | |
| with: | |
| python-version: '3.11' | |
| cache: 'pip' | |
| - run: pip install -r tt-multiplexer/py/requirements.txt -r tt/requirements.txt | |
| - name: Load OpenLane environment variables | |
| run: cat .github/config/openlane.txt | tee -a $GITHUB_ENV | |
| - name: Checkout OpenLane 2 repo | |
| uses: actions/checkout@v4 | |
| with: | |
| repository: efabless/openlane2 | |
| path: openlane2 | |
| ref: ${{ env.OPENLANE_TAG }} | |
| - name: Patch OpenLane 2 repo | |
| working-directory: openlane2 | |
| run: | |
| git apply --allow-empty ../patches/openlane2.patch | |
| - name: Update caravel configuration | |
| run: python ./tt/configure.py --update-shuttle | |
| - uses: cachix/install-nix-action@v26 | |
| - uses: cachix/cachix-action@v14 | |
| with: | |
| name: ${{ vars.CACHIX_CACHE || 'tinytapeout' }} | |
| extraPullNames: ${{ vars.CACHIX_CACHE_EXTRA || 'openlane' }} | |
| authToken: ${{ secrets.CACHIX_TOKEN }} | |
| - name: Install Sky130 PDK | |
| uses: TinyTapeout/volare-action@v2 | |
| with: | |
| pdk_name: sky130 | |
| pdk_version: ${{ env.SKY130_PDK_VERSION }} | |
| pdk_root: ${{ env.PDK_ROOT }} | |
| # Patch all digital projects to work around the poly density issue | |
| - name: Patch projects for poly density issue | |
| working-directory: projects | |
| run: | | |
| for project in tt_um_*; do | |
| if [ "$project" = "tt_um_chip_rom" ]; then | |
| continue | |
| fi | |
| # Skip projects that were not built with OpenLane2 (e.g. analog and mixed-signal projects) | |
| if [[ "$(jq -r '.openlane_version' $project/commit_id.json)" != "OpenLane2 2"* ]]; then | |
| continue | |
| fi | |
| if [ -f $project/$project.gds.br ]; then | |
| brotli -jd $project/$project.gds.br | |
| fi | |
| python ../sky130_density_fix/replace_decap.py --design $project --user-gds $project/$project.gds --replacement-gds ../sky130_density_fix/sky130_ef_sc_hd__newfill_12.gds | |
| done | |
| # Workaround for DRC errors in the SRAM macro of tt_um_kmakise_sram: | |
| - name: Patch tt_um_kmakise_sram for SRAM DRC errors | |
| run: python sky130_sram_workaround/extract_sram_macro.py -n tt_um_kmakise_sram -p projects/tt_um_kmakise_sram/tt_um_kmakise_sram.gds -m myconfig_sky_dual -x projects/tt_um_kmakise_sram/myconfig_sky_dual.gds | |
| # run OpenLane to build the GDS | |
| - name: Harden Chip ROM | |
| run: nix-shell $GITHUB_WORKSPACE/openlane2/shell.nix --run "python -m openlane tt/rom/config.json" | |
| - name: Harden tt_ctrl | |
| working-directory: tt-multiplexer/ol2/tt_ctrl | |
| run: nix-shell $GITHUB_WORKSPACE/openlane2/shell.nix --run "python build.py" | |
| - name: Harden tt_mux | |
| working-directory: tt-multiplexer/ol2/tt_mux | |
| run: nix-shell $GITHUB_WORKSPACE/openlane2/shell.nix --run "python build.py" | |
| - name: Copy macros | |
| run: python ./tt/configure.py --copy-macros | |
| - name: Harden tt_top | |
| working-directory: tt-multiplexer/ol2/tt_top | |
| run: nix-shell $GITHUB_WORKSPACE/openlane2/shell.nix --run "python build.py --skip-xor-checks" | |
| - name: Copy sram macro back into tt_um_kmakise_sram | |
| run: | | |
| # Find the latest run directory: | |
| RUN_DIR=$(ls -d tt-multiplexer/ol2/tt_top/runs/RUN_* | sort -n | tail -n 1) | |
| cp $RUN_DIR/final/gds/openframe_project_wrapper.gds $RUN_DIR/final/gds/openframe_project_wrapper.orig.gds | |
| python sky130_sram_workaround/inject_sram_macro.py -i $RUN_DIR/final/gds/openframe_project_wrapper.gds -o $RUN_DIR/final/gds/openframe_project_wrapper.gds -p tt_um_kmakise_sram -m myconfig_sky_dual --inject-gds projects/tt_um_kmakise_sram/myconfig_sky_dual.gds | |
| - name: Copy final results | |
| run: python ./tt/configure.py --copy-final-results | |
| - name: Create eFabless submission | |
| run: python ./tt/configure.py --create-efabless-submission | |
| - name: upload GDS artifact | |
| if: success() || failure() | |
| uses: actions/upload-artifact@v4 | |
| with: | |
| name: GDS | |
| path: tt-multiplexer/ol2/tt_top/runs/RUN_*/* | |
| - name: upload macros artifact | |
| if: success() || failure() | |
| uses: actions/upload-artifact@v4 | |
| with: | |
| name: macros | |
| path: | | |
| tt-multiplexer/cfg/*.yaml | |
| tt-multiplexer/ol2/tt_top/gds/* | |
| tt-multiplexer/ol2/tt_top/lef/* | |
| tt-multiplexer/ol2/tt_top/spef/* | |
| tt-multiplexer/ol2/tt_top/verilog/* | |
| - name: upload shuttle_index.json | |
| if: success() || failure() | |
| uses: actions/upload-artifact@v4 | |
| with: | |
| name: shuttle_index | |
| path: shuttle_index.json | |
| - name: upload Efabless submission directory | |
| uses: actions/upload-artifact@v4 | |
| with: | |
| name: efabless_submission | |
| path: efabless | |
| # Install iverilog, cocotb (required for GL test) | |
| - name: install oss-cad-suite | |
| uses: YosysHQ/setup-oss-cad-suite@v3 | |
| with: | |
| version: '2023-05-27' | |
| github-token: ${{ secrets.GITHUB_TOKEN }} | |
| - name: GL simulation | |
| working-directory: verilog/dv/mux | |
| env: | |
| EXPECTED_REPO: ${{ github.repository }} | |
| run: | | |
| make clean test_mux_gl | |
| # make will return success even if the test fails, so check for failure in the results.xml | |
| ! grep failure results.xml | |
| - name: upload GL test results | |
| if: success() || failure() | |
| uses: actions/upload-artifact@v4 | |
| with: | |
| name: gl_test_vcd | |
| path: | | |
| verilog/dv/mux/results.xml | |
| verilog/dv/mux/test_mux.vcd | |
| verilog/dv/mux/test_mux.gtkw |