[ci] add github ci

Signed-off-by: unlsycn <[email protected]>

.github/workflows/daily-bump.yml

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+name: Dependencies Bump
+on:
+  schedule:
+    # Run this job everyday at 5:30 AM UTC+8
+    - cron:  '30 21 * * *'
+
+jobs:
+  bump-deps:
+    name: "Bump Chisel and CIRCT"
+    if: ${{ !cancelled() }}
+    runs-on: [self-hosted, linux, nixos]
+    permissions:
+      contents: write
+    defaults:
+      run:
+        working-directory: ./templates/chisel
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+          ref: master
+      - name: Bump nixpkgs
+        run: |
+          nix flake update 
+      - name: Bump Chisel
+        run: |
+          cd nix/pkgs/dependencies
+          nix run '.#nvfetcher' -- -f '^chisel$'
+      - name: Bump all mill deps
+        run: |
+          oldHash=$(nix derivation show .#gcd.gcd-compiled.millDeps | jq -r 'to_entries[0].value.env.outputHash')
+          nix build '.#gcd.gcd-compiled.millDeps' --rebuild > milldeps-log.txt 2>&1 || true
+          newHash=$(cat milldeps-log.txt \
+            | grep -P '^\s+got:\s+sha256-.*$' \
+            | cut -d':' -f2 \
+            | xargs)
+          if [ -z "$newHash" ] || [ "$newHash" = "$oldHash" ]; then
+            echo "Original build logs for debug: "
+            cat milldeps-log.txt
+            echo "Hash unchanged, exit"
+            exit 0
+          fi
+          echo "Updating hash $oldHash to $newHash"
+          sed -i "s|$oldHash|$newHash|" nix/gcd/gcd.nix
+      - name: Commit changes
+        env:
+          GITHUB_TOKEN: ${{ secrets.BIYUN_GITHUB_ACTION }}
+        run: |
+          git config user.name github-actions[bot]
+          git config user.email 41898282+github-actions[bot]@users.noreply.github.com
+
+          currentDate=$(date +%F)
+          branch="dependencies-bumping-$currentDate"
+          git checkout -b "$branch"
+
+          git add 'nix/pkgs/dependencies'
+          git add 'flake.lock'
+
+          if ! git diff --quiet --cached --exit-code; then
+            updatedFiles=$(git diff --cached --name-only)
+            echo "File changed"
+            git commit -m "[deps] Bump dependencies"
+            git push origin "$branch" --force-with-lease
+            nix run '.#gh' -- \
+              pr create --title "Bump dependencies" --body "Updated: $updatedFiles"
+          fi

.github/workflows/main.yml

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+name: VCS Test
+on:
+  pull_request:
+    types:
+      - opened
+      - synchronize
+      - reopened
+      - ready_for_review
+      - labeled
+env:
+  USER: runner
+
+# Cancel the current workflow when new commit pushed
+concurrency:
+  group: ${{ github.workflow }}-${{ github.event.pull_request.number }}
+  cancel-in-progress: true
+
+jobs:
+
+  build-simulators:
+    name: "Build Simulators"
+    runs-on: [self-hosted, linux, nixos, BIGRAM]
+    strategy:
+      fail-fast: false
+    defaults:
+      run:
+        working-directory: ./templates/chisel
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          ref: ${{ github.event.pull_request.head.sha }}
+      - name: "Build vcs simulator"
+        run: |
+          nix build '.#gcd.vcs' --impure
+      - name: "Build vcs simulator with trace"
+        run: |
+          nix build '.#gcd.vcs-trace' --impure
+      - name: "Build verilator simulator"
+        run: |
+          nix build '.#gcd.verilated'
+      - name: "Build verilator simulator with trace"
+        run: |
+          nix build '.#gcd.verilated-trace'
+
+  run-vcs:
+    name: "Run VCS"
+    strategy:
+      fail-fast: false
+    runs-on: [self-hosted, linux, nixos]
+    defaults:
+      run:
+        working-directory: ./templates/chisel
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          ref: ${{ github.event.pull_request.head.sha }}
+      - name: "Run verilator"
+        run: |
+          nix run '.#gcd.vcs' --impure
+
+  run-verilator:
+    name: "Run Verilator"
+    strategy:
+      fail-fast: false
+    runs-on: [self-hosted, linux, nixos]
+    defaults:
+      run:
+        working-directory: ./templates/chisel
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          ref: ${{ github.event.pull_request.head.sha }}
+      - name: "Run verilator"
+        run: |
+          nix run '.#gcd.verilated'