| import json |
| import pathlib |
| import os |
| |
| |
| def get_image_directory(machine=None): |
| """ |
| Get the DEPLOY_DIR_IMAGE for the specified machine |
| (or the configured machine if not set). |
| """ |
| try: |
| import bb.tinfoil |
| except ImportError as e: |
| raise RuntimeError("Cannot connect to BitBake, did you oe-init-build-env?") from e |
| |
| if machine: |
| os.environ["MACHINE"] = machine |
| |
| with bb.tinfoil.Tinfoil() as tinfoil: |
| tinfoil.prepare(config_only=True) |
| image_dir = tinfoil.config_data.getVar("DEPLOY_DIR_IMAGE") |
| return pathlib.Path(image_dir) |
| |
| def find(machine): |
| image_dir = get_image_directory(machine) |
| # All .fvpconf configuration files |
| configs = image_dir.glob("*.fvpconf") |
| # Just the files |
| configs = [p for p in configs if p.is_file() and not p.is_symlink()] |
| if not configs: |
| print(f"Cannot find any .fvpconf in {image_dir}") |
| raise RuntimeError() |
| # Sorted by modification time |
| configs = sorted(configs, key=lambda p: p.stat().st_mtime) |
| return configs[-1] |
| |
| |
| def load(config_file): |
| with open(config_file) as f: |
| config = json.load(f) |
| |
| # Ensure that all expected keys are present |
| def sanitise(key, value): |
| if key not in config or config[key] is None: |
| config[key] = value |
| sanitise("fvp-bindir", "") |
| sanitise("exe", "") |
| sanitise("parameters", {}) |
| sanitise("data", {}) |
| sanitise("applications", {}) |
| sanitise("terminals", {}) |
| sanitise("args", []) |
| sanitise("consoles", {}) |
| sanitise("env", {}) |
| |
| if not config["exe"]: |
| raise ValueError("Required value FVP_EXE not set in machine configuration") |
| |
| return config |