feat(firmware-info): добавь pre/post-build для CCS и Keil

Подключи общий генератор версии и SCI8-конвертацию через templates. Сохрани метаданные и SHA-256 готового BIN, совместимость с Python 3.8 и прежний SETGUI preflight. Опиши настройку CCS и локальное копирование результатов.
This commit is contained in:
2026-10-08 14:58:27 +03:00
parent 0e3d89e1ee
commit b5b2d1ae37
9 changed files with 382 additions and 0 deletions

View File

@@ -0,0 +1,72 @@
"""Convert a CCS C2000 OUT to SCI8 HEX/BIN and seal its pre-build identity.
Uses only the standard library, TI hex2000 and the shared identity module.
No network, SETGUI, or project-specific paths are required.
"""
from __future__ import annotations
import argparse
import json
from pathlib import Path
import re
import subprocess
import tempfile
from identity import seal, verify
def postbuild(compiler: Path, build_dir: Path, artifact: str,
metadata: Path, output: Path) -> Path:
if not artifact or artifact in (".", "..") or any(c in artifact for c in '\\/:*?"<>|'):
raise ValueError("artifact must be a file base name, without a path")
tool = compiler.resolve() / "bin" / "hex2000.exe"
source = build_dir.resolve() / (artifact + ".out")
if not tool.is_file():
raise FileNotFoundError(f"C2000 Hex Utility not found: {tool}")
if not source.is_file():
raise FileNotFoundError(f"compiled OUT not found: {source}")
metadata = metadata.resolve()
settings = json.loads(metadata.read_text(encoding="utf-8"))
build_id = settings["build_id"]
if not isinstance(build_id, str) or not re.fullmatch(r"[0-9a-fA-F]{8}|[0-9a-fA-F]{7}\+|NOGIT000", build_id):
raise ValueError("invalid pre-build identity; run precompile before building")
if build_id == "NOGIT000":
print("[firmware-build] Git identity unavailable: using NOGIT000")
output = output.resolve()
output.mkdir(parents=True, exist_ok=True)
# Keep failed conversions and incomplete manifests out of the final folder.
with tempfile.TemporaryDirectory(prefix=".firmware-", dir=output) as temporary:
stage = Path(temporary)
hex_image = stage / (artifact + ".hex")
bin_image = stage / (artifact + "_" + build_id + ".bin")
for image, mode in ((hex_image, "-i"), (bin_image, "-b")):
subprocess.run([str(tool), str(source), "-boot", "-sci8",
"-map", str(image.with_suffix(image.suffix + ".map")),
"-o", str(image), mode], check=True)
if not image.is_file() or not image.stat().st_size:
raise ValueError(f"hex2000 produced no image: {image}")
seal(bin_image, metadata)
verify(bin_image, bin_image.with_suffix(bin_image.suffix + ".manifest.json"))
for item in stage.iterdir():
item.replace(output / item.name)
result = output / bin_image.name
print(f"[firmware-build] BIN: {result}")
print(f"[firmware-build] Manifest: {result}.manifest.json")
print(f"[firmware-build] SHA-256: {result}.sha256")
return result
def main() -> int:
parser = argparse.ArgumentParser(description=__doc__)
for name in ("compiler", "build-dir", "metadata", "output"):
parser.add_argument("--" + name, type=Path, required=True)
parser.add_argument("--artifact", required=True)
try:
postbuild(**vars(parser.parse_args()))
except (OSError, ValueError, KeyError, TypeError, subprocess.CalledProcessError) as error:
parser.exit(1, f"[firmware-build] ERROR: {error}\n")
return 0
if __name__ == "__main__":
raise SystemExit(main())

View File

@@ -0,0 +1,126 @@
"""Build provenance and exact-file SHA-256, shared by CCS, Keil and CLI builds.
prepare runs BEFORE compiling; seal runs AFTER binary conversion and size checks.
The digest is external to the image, avoiding the self-hashing paradox. No MCU
protocol encoding lives here: the generated header contains scalar constants.
"""
from __future__ import annotations
import argparse
from datetime import datetime, timezone
import hashlib
import json
import os
from pathlib import Path
import subprocess
def git_state(repository: Path) -> dict:
"""Record full commits, and flag untracked sources as well as tracked edits.
Generated outputs must be ignored in the repository. Unlike Climate's older
helper, a new, untracked source file must not look like a clean release.
"""
def git(*args):
return subprocess.check_output(
["git", "-C", str(repository), *args], stderr=subprocess.DEVNULL,
text=True, encoding="utf-8").strip()
try:
commit = git("rev-parse", "HEAD")
dirty = bool(git("status", "--porcelain", "--untracked-files=normal"))
return {"commit": commit, "dirty": dirty}
except (OSError, subprocess.CalledProcessError):
return {"commit": None, "dirty": None}
def write_atomic(path: Path, text: str):
path.parent.mkdir(parents=True, exist_ok=True)
temporary = path.with_name(path.name + ".tmp")
# Built-in open supports newline on Python versions before 3.10.
with open(temporary, "w", encoding="utf-8", newline="\n") as stream:
stream.write(text)
temporary.replace(path)
def prepare(repository: Path, templates: Path, config: Path, output: Path) -> dict:
settings = json.loads(config.read_text(encoding="utf-8-sig"))
version = settings["version"]
if (len(version) != 3 or any(type(v) is not int for v in version)
or not all(0 <= v <= limit for v, limit in zip(version, (255, 255, 999)))):
raise ValueError("version must be [major 0..255, minor 0..255, patch 0..999]")
for field in ("product", "target"):
if not isinstance(settings.get(field), str) or not settings[field].strip():
raise ValueError(f"missing {field}")
source, dependency = git_state(repository), git_state(templates)
# A clean application built with a modified templates checkout is dirty too.
known = source["commit"] is not None and dependency["commit"] is not None
dirty = bool(source["dirty"] or dependency["dirty"])
build_id = (source["commit"][:7] + "+" if dirty else source["commit"][:8]) if known else "NOGIT000"
# UTC has an explicit interpretation across build PCs; SOURCE_DATE_EPOCH is
# supported for reproducible release builds, not silently inferred from Git.
epoch = os.environ.get("SOURCE_DATE_EPOCH")
stamp = datetime.fromtimestamp(int(epoch), timezone.utc) if epoch else datetime.now(timezone.utc)
stamp = stamp.replace(microsecond=0)
if not 2000 <= stamp.year <= 2199:
raise ValueError("build year outside firmware-info v1 range")
metadata = {"schema": 1, "product": settings["product"], "target": settings["target"],
"version": version, "build_id": build_id, "built_at_utc": stamp.isoformat(),
"source": source, "templates": dependency,
"identity_contract": 1, "identity_register_count": 12}
constants = dict(zip(("FIRMWARE_VERSION_MAJOR", "FIRMWARE_VERSION_MINOR", "FIRMWARE_VERSION_PATCH"), version))
constants.update(dict(zip(("FI_YEAR", "FI_MONTH", "FI_DAY", "FI_HOUR", "FI_MINUTE", "FI_SECOND"),
(stamp.year, stamp.month, stamp.day, stamp.hour, stamp.minute, stamp.second))))
constants.update({f"FI_ID_{i}": ord(c) for i, c in enumerate(build_id)})
header = "/* Generated before compilation. Do not edit or commit. UTC stamp. */\n#ifndef FIRMWARE_IDENTITY_H\n#define FIRMWARE_IDENTITY_H\n"
header += f'#define FIRMWARE_BUILD_ID "{build_id}"\n'
header += "".join(f"#define {key} {value}U\n" for key, value in constants.items())
header += "#endif\n"
# Rewriting the header forces the identity compilation unit to be rebuilt.
# Sharing this directory between concurrent configurations is unsupported.
write_atomic(output / "firmware_identity.h", header)
write_atomic(output / "firmware_identity.json", json.dumps(metadata, indent=2) + "\n")
return metadata
def seal(image: Path, metadata_path: Path) -> dict:
metadata = json.loads(metadata_path.read_text(encoding="utf-8"))
data = image.read_bytes()
if not data:
raise ValueError("empty firmware image")
# Seal records the exact file sent to the programmer, including SCI8 headers.
# It does not claim that the device has measured RAM/Flash or authenticated it.
metadata.update({"file": image.name, "size_bytes": len(data),
"sha256": hashlib.sha256(data).hexdigest()})
write_atomic(image.with_suffix(image.suffix + ".manifest.json"), json.dumps(metadata, indent=2) + "\n")
write_atomic(image.with_suffix(image.suffix + ".sha256"), f'{metadata["sha256"]} {image.name}\n')
return metadata
def verify(image: Path, manifest: Path) -> dict:
metadata = json.loads(manifest.read_text(encoding="utf-8"))
data = image.read_bytes()
if len(data) != metadata["size_bytes"] or hashlib.sha256(data).hexdigest() != metadata["sha256"]:
raise ValueError("firmware size/SHA-256 does not match manifest")
return metadata
def main():
parser = argparse.ArgumentParser(description=__doc__)
sub = parser.add_subparsers(dest="command", required=True)
p = sub.add_parser("prepare")
for name in ("repository", "templates", "config", "output"):
p.add_argument("--" + name, type=Path, required=True)
p = sub.add_parser("seal")
p.add_argument("--image", type=Path, required=True)
p.add_argument("--metadata", dest="metadata_path", type=Path, required=True)
p = sub.add_parser("verify")
p.add_argument("--image", type=Path, required=True)
p.add_argument("--manifest", type=Path, required=True)
args = vars(parser.parse_args())
command = args.pop("command")
result = {"prepare": prepare, "seal": seal, "verify": verify}[command](**args)
print(json.dumps(result, ensure_ascii=False))
if __name__ == "__main__":
main()