hwci: move system setup from Actions workflow to script

.github/workflows/treadmill-ci-test.yml

@@ -96,7 +96,7 @@ jobs:
 
       # Provide access to the required Treadmill secrets by running in the
       # appropriate environment (depending on the on: triggers above)
-      job-environment: ${{ github.event_name == 'pull_request' && 'treadmill-ci' || 'treadmill-ci-merged' }}
+      job-environment: ${{ (github.event_name == 'pull_request' || github.event_name == 'workflow_dispatch') && 'treadmill-ci' || 'treadmill-ci-merged' }}
 
 
       # This workflow tests the tock-hardware-ci scripts itself, so take the

.github/workflows/treadmill-ci.yml

@@ -216,24 +216,17 @@ jobs:
           # Avoid overwriting the RUSTFLAGS environment variable
           rustflags: ''
 
-      - name: Install required system packages
+      # This is required for the actions/checkout steps to perform a
+      # proper git clone that also supports checking out submodules:
+      - name: Install git
         run: |
           # TODO: currently, the Netboot NBD targets have no access to their
           # boot parition (e.g., mounted on /boot/firmware) on a Raspberry Pi OS
           # host. This causes certain hooks in response to dpkg / apt commands
           # to fail. Thus we ignore errors in these steps until we figure this
           # part out.
           sudo DEBIAN_FRONTEND=noninteractive apt update || true
-          sudo DEBIAN_FRONTEND=noninteractive apt install -y \
-            git cargo openocd python3 python3-pip python3-serial \
-            python3-pexpect gcc-arm-none-eabi libnewlib-arm-none-eabi \
-            pkg-config libudev-dev cmake libusb-1.0-0-dev udev make \
-            gdb-multiarch gcc-arm-none-eabi build-essential jq || true
-
-          # Install probe-rs:
-          curl --proto '=https' --tlsv1.2 -LsSf \
-            https://github.com/probe-rs/probe-rs/releases/latest/download/probe-rs-tools-installer.sh \
-            | sh
+          sudo DEBIAN_FRONTEND=noninteractive apt install -y git
 
       - name: Checkout the Tock Hardware CI scripts
         uses: actions/checkout@v4
@@ -244,33 +237,32 @@ jobs:
       - name: Checkout the Tock kernel repository
         uses: actions/checkout@v4
         with:
-          path: tock
+          path: hwci/repos/tock
           repository: tock/tock
           ref: ${{ inputs.tock-kernel-ref }}
 
       - name: Checkout the libtock-c repository
         uses: actions/checkout@v4
         with:
-          path: libtock-c
+          path: hwci/repos/libtock-c
           repository: tock/libtock-c
           ref: ${{ inputs.libtock-c-ref }}
-          fetch-depth: 0  
+          fetch-depth: 0
           submodules: false
           persist-credentials: true
 
-      - name: Create Python virtual environment and install required dependencies
+      - name: Run setup script
         run: |
-          python3 -m venv ./hwcienv
-          source ./hwcienv/bin/activate
-          pip install -r hwci/requirements.txt -c hwci/requirements-frozen.txt
+          cd ./hwci/
+          ./setup.sh
 
       - name: Run tests
         env:
           JSON_TEST_ARRAY: ${{ toJSON(fromJSON(needs.test-prepare.outputs.tml-jobs)[matrix.tml-job-id].tests) }}
         run: |
-          source ./hwcienv/bin/activate
           cd ./hwci
-          export PYTHONPATH="$PWD:$PYTHONPATH"
+          source ./.venv/bin/activate
+
           STEP_FAIL=0
 
           # Generate a summary of all the tests executed:

hwci/.gitignore

@@ -0,0 +1,178 @@
+# Ignore local repository checkouts used for the Hardware CI
+repos/
+
+# -----------------------------------------------------------------------------
+# https://raw.githubusercontent.com/github/gitignore/refs/heads/main/Python.gitignore
+# Byte-compiled / optimized / DLL files
+__pycache__/
+*.py[cod]
+*$py.class
+
+# C extensions
+*.so
+
+# Distribution / packaging
+.Python
+build/
+develop-eggs/
+dist/
+downloads/
+eggs/
+.eggs/
+lib/
+lib64/
+parts/
+sdist/
+var/
+wheels/
+share/python-wheels/
+*.egg-info/
+.installed.cfg
+*.egg
+MANIFEST
+
+# PyInstaller
+#  Usually these files are written by a python script from a template
+#  before PyInstaller builds the exe, so as to inject date/other infos into it.
+*.manifest
+*.spec
+
+# Installer logs
+pip-log.txt
+pip-delete-this-directory.txt
+
+# Unit test / coverage reports
+htmlcov/
+.tox/
+.nox/
+.coverage
+.coverage.*
+.cache
+nosetests.xml
+coverage.xml
+*.cover
+*.py,cover
+.hypothesis/
+.pytest_cache/
+cover/
+
+# Translations
+*.mo
+*.pot
+
+# Django stuff:
+*.log
+local_settings.py
+db.sqlite3
+db.sqlite3-journal
+
+# Flask stuff:
+instance/
+.webassets-cache
+
+# Scrapy stuff:
+.scrapy
+
+# Sphinx documentation
+docs/_build/
+
+# PyBuilder
+.pybuilder/
+target/
+
+# Jupyter Notebook
+.ipynb_checkpoints
+
+# IPython
+profile_default/
+ipython_config.py
+
+# pyenv
+#   For a library or package, you might want to ignore these files since the code is
+#   intended to run in multiple environments; otherwise, check them in:
+# .python-version
+
+# pipenv
+#   According to pypa/pipenv#598, it is recommended to include Pipfile.lock in version control.
+#   However, in case of collaboration, if having platform-specific dependencies or dependencies
+#   having no cross-platform support, pipenv may install dependencies that don't work, or not
+#   install all needed dependencies.
+#Pipfile.lock
+
+# UV
+#   Similar to Pipfile.lock, it is generally recommended to include uv.lock in version control.
+#   This is especially recommended for binary packages to ensure reproducibility, and is more
+#   commonly ignored for libraries.
+#uv.lock
+
+# poetry
+#   Similar to Pipfile.lock, it is generally recommended to include poetry.lock in version control.
+#   This is especially recommended for binary packages to ensure reproducibility, and is more
+#   commonly ignored for libraries.
+#   https://python-poetry.org/docs/basic-usage/#commit-your-poetrylock-file-to-version-control
+#poetry.lock
+
+# pdm
+#   Similar to Pipfile.lock, it is generally recommended to include pdm.lock in version control.
+#pdm.lock
+#   pdm stores project-wide configurations in .pdm.toml, but it is recommended to not include it
+#   in version control.
+#   https://pdm.fming.dev/latest/usage/project/#working-with-version-control
+.pdm.toml
+.pdm-python
+.pdm-build/
+
+# PEP 582; used by e.g. github.com/David-OConnor/pyflow and github.com/pdm-project/pdm
+__pypackages__/
+
+# Celery stuff
+celerybeat-schedule
+celerybeat.pid
+
+# SageMath parsed files
+*.sage.py
+
+# Environments
+.env
+.venv
+env/
+venv/
+ENV/
+env.bak/
+venv.bak/
+
+# Spyder project settings
+.spyderproject
+.spyproject
+
+# Rope project settings
+.ropeproject
+
+# mkdocs documentation
+/site
+
+# mypy
+.mypy_cache/
+.dmypy.json
+dmypy.json
+
+# Pyre type checker
+.pyre/
+
+# pytype static type analyzer
+.pytype/
+
+# Cython debug symbols
+cython_debug/
+
+# PyCharm
+#  JetBrains specific template is maintained in a separate JetBrains.gitignore that can
+#  be found at https://github.com/github/gitignore/blob/main/Global/JetBrains.gitignore
+#  and can be added to the global gitignore or merged into this file.  For a more nuclear
+#  option (not recommended) you can uncomment the following to ignore the entire idea folder.
+#.idea/
+
+# PyPI configuration file
+.pypirc
+
+

hwci/boards/nrf52dk.py

@@ -18,9 +18,10 @@ class Nrf52dk(TockloaderBoard):
     def __init__(self):
         super().__init__()
         self.arch = "cortex-m4"
+        self.kernel_path = os.path.join(
+            self.base_dir, "repos/tock")
         self.kernel_board_path = os.path.join(
-            self.base_dir, "tock/boards/nordic/nrf52840dk"
-        )
+            self.kernel_path, "boards/nordic/nrf52840dk")
         self.uart_port = self.get_uart_port()
         self.uart_baudrate = self.get_uart_baudrate()
         self.openocd_board = "nrf52dk"
@@ -67,10 +68,9 @@ def cleanup(self):
 
     def flash_kernel(self):
         logging.info("Flashing the Tock OS kernel")
-        tock_dir = os.path.join(self.base_dir, "tock")
-        if not os.path.exists(tock_dir):
-            logging.error(f"Tock directory {tock_dir} not found")
-            raise FileNotFoundError(f"Tock directory {tock_dir} not found")
+        if not os.path.exists(self.kernel_path):
+            logging.error(f"Tock directory {self.kernel_path} not found")
+            raise FileNotFoundError(f"Tock directory {self.kernel_path} not found")
 
         # Run make flash-openocd from the board directory
         subprocess.run(

hwci/boards/tockloader_board.py

@@ -15,14 +15,12 @@ def __init__(self):
         super().__init__()
         self.board = None  # Should be set in subclass
         self.arch = None  # Should be set in subclass
-        self.base_dir = os.path.dirname(
-            os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
-        )
+        self.base_dir = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
 
     def flash_app(self, app_path):
         app_name = os.path.basename(app_path)
         logging.info(f"Flashing app: {app_name}")
-        libtock_c_dir = os.path.join(self.base_dir, "libtock-c")
+        libtock_c_dir = os.path.join(self.base_dir, "repos", "libtock-c")
         if not os.path.exists(libtock_c_dir):
             logging.error(f"libtock-c directory {libtock_c_dir} not found")
             raise FileNotFoundError(f"libtock-c directory {libtock_c_dir} not found")

hwci/core/main.py

@@ -6,7 +6,7 @@
 import logging
 import importlib.util
 import sys
-
+from pathlib import Path
 
 def main():
     parser = argparse.ArgumentParser(description="Run tests on Tock OS")
@@ -20,6 +20,10 @@ def main():
         format="%(asctime)s - %(levelname)s - %(message)s",
     )
 
+    # Ensure that imported modules can find the top-level hwci modules
+    # (appends the hwci root to the PYTHONPATH):
+    sys.path.append(str(Path(__file__).parent.parent))
+
     # 1. Load board module
     board_spec = importlib.util.spec_from_file_location("board_module", args.board)
     board_module = importlib.util.module_from_spec(board_spec)

hwci/hwci.py

@@ -0,0 +1,7 @@
+# Licensed under the Apache License, Version 2.0 or the MIT License.
+# SPDX-License-Identifier: Apache-2.0 OR MIT
+# Copyright Tock Contributors 2024.
+
+if __name__ == "__main__":
+    import core
+    core.main()