diff options
Diffstat (limited to 'test/tx/cmake/module_qemu/run_qemu_test.py')
| -rwxr-xr-x | test/tx/cmake/module_qemu/run_qemu_test.py | 105 |
1 files changed, 105 insertions, 0 deletions
diff --git a/test/tx/cmake/module_qemu/run_qemu_test.py b/test/tx/cmake/module_qemu/run_qemu_test.py new file mode 100755 index 00000000..b2533c5d --- /dev/null +++ b/test/tx/cmake/module_qemu/run_qemu_test.py @@ -0,0 +1,105 @@ +#!/usr/bin/env python3 +# +# Copyright (c) 2026 Eclipse ThreadX contributors +# +# This program and the accompanying materials are made available under the +# terms of the MIT License which is available at +# https://opensource.org/licenses/MIT. +# +# AI Disclosure: This file was largely AI-generated by Claude Code (Opus 5.5). +# The AI-generated portions may be considered public domain (CC0-1.0) +# and not subject to the project's licence. The human contributor has +# reviewed and verified that the code is correct. +# +# SPDX-License-Identifier: MIT and CC0-1.0 +# +"""Run a module harness image on QEMU and assert its result. + +Modelled on the Cortex-R52 FVP runner. Every image reports through Arm +semihosting and ends the simulation itself with SYS_EXIT, so the runner only +launches QEMU, captures what the image printed, and judges it. Both the +result line and QEMU's exit status must say the image passed. + +A missing result line is a failure, never a pass: a hang, or a crash before +the first check, must not be able to look like success. +""" + +import argparse +import subprocess +import sys + +PASS_MARK = "ALL CHECKS PASSED" +FAIL_MARK = "RESULT: FAILED" +FAULT_MARK = "[FAULT]" + + +def as_text(stream): + """Normalise a captured stream to str; a timeout hands back bytes.""" + if stream is None: + return "" + if isinstance(stream, bytes): + return stream.decode(errors="replace") + return stream + + +def run(qemu, machine, elf, timeout): + command = [ + qemu, + "-M", machine, + "-nographic", + "-monitor", "none", + "-serial", "none", + "-semihosting-config", "enable=on,target=native", + "-kernel", elf, + ] + + print("Running:", " ".join(command), flush=True) + + try: + completed = subprocess.run( + command, capture_output=True, text=True, timeout=timeout + ) + except subprocess.TimeoutExpired as expired: + print(as_text(expired.stdout) + as_text(expired.stderr)) + print( + f"FAIL: QEMU did not terminate within {timeout}s. Every image is " + "expected to exit through semihosting SYS_EXIT, so this is a hang.", + file=sys.stderr, + ) + return 1 + + output = as_text(completed.stdout) + as_text(completed.stderr) + print(output) + + if FAULT_MARK in output: + print("FAIL: the image reported an unexpected exception.", file=sys.stderr) + return 1 + if FAIL_MARK in output: + print("FAIL: the image reported failing checks.", file=sys.stderr) + return 1 + if PASS_MARK not in output: + print("FAIL: the image printed no result line.", file=sys.stderr) + return 1 + if completed.returncode != 0: + print( + f"FAIL: the image reported success but QEMU exited with " + f"{completed.returncode}.", + file=sys.stderr, + ) + return 1 + + return 0 + + +def main(): + parser = argparse.ArgumentParser(description=__doc__) + parser.add_argument("--qemu", required=True, help="qemu-system-arm executable") + parser.add_argument("--machine", required=True, help="QEMU machine, e.g. mps2-an385") + parser.add_argument("--elf", required=True, help="image to run") + parser.add_argument("--timeout", type=int, default=60, help="seconds before a hang is declared") + args = parser.parse_args() + return run(args.qemu, args.machine, args.elf, args.timeout) + + +if __name__ == "__main__": + sys.exit(main()) |
