#!/usr/bin/env python3
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# This script expect to run from the Buildroot top directory.
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import os
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import pexpect
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import sys
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import time
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def main():
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if not (len(sys.argv) == 2):
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print("Error: incorrect number of arguments")
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print("""Usage: boot-qemu-image.py <qemu_arch_defconfig>""")
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sys.exit(1)
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# Ignore non Qemu defconfig
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if not sys.argv[1].startswith('qemu_'):
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sys.exit(0)
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if not os.path.exists('output/images/start-qemu.sh'):
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print('qemu-start.sh is missing, cannot test.')
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sys.exit(0)
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qemu_start = os.path.join(os.getcwd(), 'output/images/start-qemu.sh')
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child = pexpect.spawn(qemu_start, ['serial-only'],
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timeout=5, encoding='utf-8',
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env={"QEMU_AUDIO_DRV": "none"})
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# We want only stdout into the log to avoid double echo
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child.logfile = sys.stdout
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# Let the spawn actually try to fork+exec to the wrapper, and then
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# let the wrapper exec the qemu process.
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time.sleep(1)
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try:
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child.expect(["buildroot login:"], timeout=60)
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except pexpect.EOF as e:
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# Some emulations require a fork of qemu-system, which may be
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# missing on the system, and is not provided by Buildroot.
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# In this case, spawn above will succeed at starting the wrapper
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# start-qemu.sh, but that one will fail (exit with 127) in such
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# a situation.
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exit = [int(line.split(' ')[1])
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for line in e.value.splitlines()
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if line.startswith('exitstatus: ')]
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if len(exit) and exit[0] == 127:
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print('qemu-start.sh could not find the qemu binary')
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sys.exit(0)
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print("Connection problem, exiting.")
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sys.exit(1)
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except pexpect.TIMEOUT:
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print("System did not boot in time, exiting.")
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sys.exit(1)
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child.sendline("root\r")
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try:
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child.expect(["# "], timeout=60)
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except pexpect.EOF:
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print("Cannot connect to shell")
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sys.exit(1)
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except pexpect.TIMEOUT:
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print("Timeout while waiting for shell")
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sys.exit(1)
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child.sendline("poweroff\r")
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try:
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child.expect(["System halted"], timeout=60)
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child.expect(pexpect.EOF)
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except pexpect.EOF:
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pass
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except pexpect.TIMEOUT:
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# Qemu may not exit properly after "System halted", ignore.
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print("Cannot halt machine")
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sys.exit(0)
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if __name__ == "__main__":
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main()
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