Add CI lint script.

.github/workflows/lint.yml

@@ -0,0 +1,72 @@
+# Copyright 2022 ETH Zurich and University of Bologna.
+# Licensed under the Apache License, Version 2.0, see LICENSE for details.
+# SPDX-License-Identifier: Apache-2.0
+
+name: lint
+
+on: [ push, pull_request, workflow_dispatch ]
+
+jobs:
+
+  lint-license:
+    runs-on: ubuntu-latest
+    steps:
+    -
+      name: Checkout
+      uses: actions/checkout@v3
+    -
+      name: Check license
+      uses: pulp-platform/pulp-actions/lint-license@v2
+      with:
+        license: |
+          Copyright (\d{4}(-\d{4})?\s)?.*
+          (Solderpad Hardware License, Version 0.51|Licensed under the Apache License, Version 2.0), see LICENSE for details.
+          SPDX-License-Identifier: (SHL-0.51|Apache-2.0)
+        # Exclude generated headers (no license checker support for optional lines)
+        exclude_paths: |
+          sw/utils/tinyprintf.h
+          sw/inc/*
+          *.md
+          *.do
+          *.lock
+          LICENSE*
+
+  lint-sv:
+    runs-on: ubuntu-latest
+    steps:
+    -
+      name: Checkout
+      uses: actions/checkout@v3
+    -
+      name: Run Verible
+      uses: chipsalliance/verible-linter-action@main
+      with:
+        paths: hw
+        extra_args: "--waiver_files .github/verible.waiver"
+        github_token: ${{ secrets.GITHUB_TOKEN }}
+        fail_on_error: true
+        reviewdog_reporter: github-check
+
+# lint-cxx:
+#     runs-on: ubuntu-latest
+#     steps:
+#     -
+#       name: Checkout
+#       uses: actions/checkout@v3
+#     -
+#       name: Run Clang-format
+#       uses: DoozyX/[email protected]
+#       with:
+#         extensions: 'c,h,cpp'
+#         clangFormatVersion: 14
+#         style: >
+#           {
+#           IndentWidth: 4,
+#           ColumnLimit: 100,
+#           AlignEscapedNewlines: DontAlign,
+#           SortIncludes: false,
+#           AllowShortFunctionsOnASingleLine: None,
+#           AllowShortIfStatementsOnASingleLine: true,
+#           AllowShortLoopsOnASingleLine: true
+#           }
+#         exclude: |