add github actions

Author: Moritz Waser

.github/workflows/docs.yaml

@@ -0,0 +1,17 @@
+name: docs
+
+on:
+  push:
+  workflow_dispatch:
+
+jobs:
+  docs:
+    runs-on: ubuntu-24.04
+    steps:
+      - name: Checkout repo
+        uses: actions/checkout@v4
+        with:
+          submodules: recursive
+
+      - name: Build docs
+        uses: TinyTapeout/tt-gds-action/docs@ttsky25b

.github/workflows/fpga.yaml

@@ -0,0 +1,19 @@
+name: fpga
+
+on:
+  push:
+    # Comment out (or remove) the following line to run the FPGA workflow on every push:
+    branches: none
+  workflow_dispatch:
+
+jobs:
+  fpga:
+    runs-on: ubuntu-24.04
+    steps:
+      - name: checkout repo
+        uses: actions/checkout@v4
+        with:
+          submodules: recursive
+
+      - name: FPGA bitstream for TT ASIC Sim (ICE40UP5K)
+        uses: TinyTapeout/tt-gds-action/fpga/ice40up5k@ttsky25b

.github/workflows/gds.yaml

@@ -0,0 +1,53 @@
+name: gds
+
+on:
+  push:
+  workflow_dispatch:
+
+jobs:
+  gds:
+    runs-on: ubuntu-24.04
+    steps:
+      - name: checkout repo
+        uses: actions/checkout@v4
+        with:
+          submodules: recursive
+
+      - name: Build GDS
+        uses: TinyTapeout/tt-gds-action@ttsky25b
+        with:
+          pdk: sky130
+
+  precheck:
+    needs: gds
+    runs-on: ubuntu-24.04
+    steps:
+      - name: Run Tiny Tapeout Precheck
+        uses: TinyTapeout/tt-gds-action/precheck@ttsky25b
+        with:
+          pdk: sky130
+
+  gl_test:
+    needs: gds
+    runs-on: ubuntu-24.04
+    steps:
+      - name: checkout repo
+        uses: actions/checkout@v4
+        with:
+          submodules: recursive
+
+      - name: GL test
+        uses: TinyTapeout/tt-gds-action/gl_test@ttsky25b
+        with:
+          pdk: sky130
+
+  viewer:
+    needs: gds
+    runs-on: ubuntu-24.04
+    permissions:
+      pages: write      # to deploy to Pages
+      id-token: write   # to verify the deployment originates from an appropriate source
+    steps:
+      - uses: TinyTapeout/tt-gds-action/viewer@ttsky25b
+        with:
+          pdk: sky130

.github/workflows/test.yaml

@@ -0,0 +1,48 @@
+name: test
+on: [push, workflow_dispatch]
+jobs:
+  test:
+    runs-on: ubuntu-24.04
+    steps:
+      - name: Checkout repo
+        uses: actions/checkout@v4
+        with:
+          submodules: recursive
+
+      - name: Install iverilog
+        shell: bash
+        run: sudo apt-get update && sudo apt-get install -y iverilog
+
+      # Set Python up and install cocotb
+      - name: Setup python
+        uses: actions/setup-python@v5
+        with:
+          python-version: '3.11'
+
+      - name: Install Python packages
+        shell: bash
+        run: pip install -r test/requirements.txt
+
+      - name: Run tests
+        run: |
+          cd test
+          make clean
+          make
+          # make will return success even if the test fails, so check for failure in the results.xml
+          ! grep failure results.xml
+
+      - name: Test Summary
+        uses: test-summary/[email protected]
+        with:
+          paths: "test/results.xml"
+        if: always()
+
+      - name: upload vcd
+        if: success() || failure()
+        uses: actions/upload-artifact@v4
+        with:
+          name: test-vcd
+          path: |
+            test/tb.vcd
+            test/results.xml
+            test/output/*

.gitignore

@@ -0,0 +1,11 @@
+.DS_Store
+.idea
+*.vcd
+runs
+tt_submission
+src/user_config.json
+src/config_merged.json
+test/sim_build
+test/__pycache__/
+test/results.xml
+test/gate_level_netlist.v