main.yml

on:
  workflow_dispatch:
  push:
  pull_request:

name: CI

jobs:
  lint_models:
    name: Lint All Models
    runs-on: ubuntu-22.04
    steps:
      - name: Checkout code
        uses: actions/checkout@v3
      - name: Get IcarusVerilog
        run: |
          sudo apt-get install -y iverilog
      - name: Verify
        run: |
          cd verification
          for SIZE in $(cat ./.github/workflows/sizes.txt); do
              export PATTERN=tb_RAM$SIZE
              /bin/bash -c "make lint"
          done
  lint_python:
    name: Lint Python Code
    runs-on: ubuntu-22.04
    steps:
      - name: Check out Git repository
        uses: actions/checkout@v2
      - name: Lint
        run: make lint
  verify_models:
    name: Verify (${{ matrix.count }}x${{ matrix.width }}_${{ matrix.variant }})
    runs-on: ubuntu-22.04
    needs: [lint_models]
    strategy:
      matrix:
        include:
          - { count: "8", width: "32", variant: "DEFAULT" }
          - { count: "32", width: "32", variant: "DEFAULT" }
          - { count: "128", width: "32", variant: "DEFAULT" }
          - { count: "256", width: "32", variant: "DEFAULT" }
          - { count: "512", width: "32", variant: "DEFAULT" }
          - { count: "1024", width: "32", variant: "DEFAULT" }
          - { count: "2048", width: "32", variant: "DEFAULT" }
          - { count: "8", width: "32", variant: "1RW1R" }
          - { count: "32", width: "32", variant: "1RW1R" }
          - { count: "128", width: "32", variant: "1RW1R" }
          - { count: "256", width: "32", variant: "1RW1R" }
          - { count: "512", width: "32", variant: "1RW1R" }
          - { count: "1024", width: "32", variant: "1RW1R" }
          - { count: "2048", width: "32", variant: "1RW1R" }
    steps:
      - name: Checkout code
        uses: actions/checkout@v3
      - name: Get IcarusVerilog
        run: |
          sudo apt-get install -y iverilog
      - name: Run Verification
        run: |
          variant_postfix=
          if [ "${{ matrix.variant }}" != "DEFAULT" ]; then
            variant_postfix="_${{ matrix.variant }}"
          fi
          export PATTERN=tb_RAM${{ matrix.count }}x${{ matrix.width }}$variant_postfix
          cd verification/
          /bin/bash -c "! make | grep -c FATAL"
  harden:
    name: Harden (${{ matrix.count }}x${{ matrix.width }}_${{ matrix.variant }})
    runs-on: ubuntu-22.04
    needs: [lint_models, lint_python]
    strategy:
      fail-fast: false
      matrix:
        include:
          - { count: "32", width: "8", variant: "DEFAULT" }
          # - { count: "32", width: "8", variant: "1RW1R" }
          - { count: "32", width: "16", variant: "DEFAULT" }
          # - { count: "32", width: "16", variant: "1RW1R" }
          - { count: "32", width: "32", variant: "DEFAULT" }
          # - { count: "32", width: "32", variant: "1RW1R" } # Timeout
          - { count: "32", width: "32", variant: "2R1W" }
          - { count: "128", width: "32", variant: "DEFAULT" }
          - { count: "256", width: "8", variant: "DEFAULT" }
          # - { count: "256", width: "8", variant: "1RW1R" }
          - { count: "256", width: "16", variant: "DEFAULT" }
          # - { count: "256", width: "16", variant: "1RW1R" } # Timeout
          - { count: "256", width: "32", variant: "DEFAULT" }
          #- { count: "256", width: "32", variant: "1RW1R" } # Timeout
    steps:
      - name: Checkout code
        uses: actions/checkout@v3
      - name: Setup Nix
        uses: cachix/install-nix-action@v22
        with:
          nix_path: nixpkgs=channel:nixos-23.05
      - name: Setup Cachix
        uses: cachix/cachix-action@v12
        with:
          name: openlane
      - name: Run
        run: |
          building_blocks=ram
          if [ "${{ matrix.variant }}" == "2R1W" ]; then
            building_blocks=rf
          fi

          nix-shell --pure --run "\
            ./dffram.py ${{ matrix.count }}x${{ matrix.width }}\
            -p sky130A\
            -s sky130_fd_sc_hd\
            -v ${{ matrix.variant }}\
            -b $building_blocks\
          "

          echo "PRODUCTS_PATH=$(echo products/*)" >> $GITHUB_ENV
      # - name: Upload Build Folder [TEMP]
      #   uses: actions/upload-artifact@v3
      #   if: always()
      #   with:
      #     name: BUILD_${{ matrix.count }}x${{ matrix.width }}_${{ matrix.variant }}
      #     path: ./build
      - name: Upload Final Views
        uses: actions/upload-artifact@v3
        with:
          name: ${{ matrix.count }}x${{ matrix.width }}_${{ matrix.variant }}
          path: ${{ env.PRODUCTS_PATH }}
  publish:
    name: Publish Release
    if: always()
    needs: [harden, verify_models]
    runs-on: ubuntu-22.04
    steps:
      - uses: actions/checkout@v3
        with:
          fetch-depth: 0
      - name: Export Repo URL
        shell: bash
        run: echo "REPO_URL=https://github.com/${{ github.repository }}.git" >> $GITHUB_ENV
      - name: Export Branch Name
        shell: bash
        run: echo "BRANCH_NAME=${GITHUB_REF##*/}" >> $GITHUB_ENV
      - name: Generate Tag
        run: |
          echo "NEW_TAG=NO_NEW_TAG" >> $GITHUB_ENV
          if [ "${{ github.event_name }}" != "pull_request" ] && [ "${{ env.BRANCH_NAME }}" = "main" ]; then
            python3 ./.github/scripts/generate_tag.py
          fi
      - name: Download All Artifacts
        uses: actions/download-artifact@v3
        with:
          path: ./artifacts
      - name: Create Release
        if: env.NEW_TAG != 'NO_NEW_TAG'
        run: |
          export PATH=$PATH:$(go env GOPATH)/bin
          go install github.com/tcnksm/ghr@latest
          shopt -s nullglob
          for artifact in ./artifacts/*; do
            echo "Uploading $artifact to release…"
            gzipped=./$(basename $artifact).tgz
            tar -czvf $gzipped $artifact
            ghr\
              -owner AUCOHL\
              -repository DFFRAM\
              -commitish main\
              -token ${{ secrets.GITHUB_TOKEN }}\
              -replace\
              $NEW_TAG\
              $gzipped
            echo "Done with $artifact."
          done