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https://github.com/projectacrn/acrn-hypervisor.git
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fec1f87adc
While running in a nested environment, such as qemu, parse the board information should be allowed even it is not in a native environment. Replace the error with warning message and does not exit the program. Tracked-On: #6208 Signed-off-by: Yang,Yu-chu <yu-chu.yang@intel.com>
78 lines
3.0 KiB
Python
Executable File
78 lines
3.0 KiB
Python
Executable File
#!/usr/bin/env python3
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#
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# Copyright (C) 2021 Intel Corporation. All rights reserved.
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#
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# SPDX-License-Identifier: BSD-3-Clause
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#
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import sys, os
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import logging
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import subprocess
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import lxml.etree
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import argparse
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from importlib import import_module
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from cpuparser import parse_cpuid, get_online_cpu_ids
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script_dir = os.path.dirname(os.path.realpath(__file__))
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sys.path.append(os.path.join(script_dir))
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def native_check():
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cpu_ids = get_online_cpu_ids()
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cpu_id = cpu_ids.pop(0)
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leaf_1 = parse_cpuid(1, 0, cpu_id)
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if leaf_1.hypervisor != 0:
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logging.warning(f"Board inspector is running inside a Virtual Machine (VM). Running ACRN inside a VM is only" \
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"supported under KVM/QEMU. Unexpected results may occur when deviating from that combination.")
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def main(board_name, board_xml, args):
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# Check if this is native os
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native_check()
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try:
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# First invoke the legacy board parser to create the board XML ...
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legacy_parser = os.path.join(script_dir, "legacy", "board_parser.py")
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env = { "PYTHONPATH": script_dir }
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subprocess.run([sys.executable, legacy_parser, args.board_name, "--out", board_xml], check=True, env=env)
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# ... then load the created board XML and append it with additional data by invoking the extractors.
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board_etree = lxml.etree.parse(board_xml)
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root_node = board_etree.getroot()
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# Clear the whitespaces between adjacent children under the root node
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root_node.text = None
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for elem in root_node:
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elem.tail = None
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# Create nodes for each kind of resource
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root_node.append(lxml.etree.Element("processors"))
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root_node.append(lxml.etree.Element("caches"))
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root_node.append(lxml.etree.Element("memory"))
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root_node.append(lxml.etree.Element("devices"))
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extractors_path = os.path.join(script_dir, "extractors")
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extractors = [f for f in os.listdir(extractors_path) if f[:2].isdigit()]
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for extractor in sorted(extractors):
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module_name = os.path.splitext(extractor)[0]
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module = import_module(f"extractors.{module_name}")
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if not args.advanced and getattr(module, "advanced", False):
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continue
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module.extract(board_etree)
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# Finally overwrite the output with the updated XML
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board_etree.write(board_xml, pretty_print=True)
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except subprocess.CalledProcessError as e:
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print(e)
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sys.exit(1)
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if __name__ == "__main__":
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logging.basicConfig(level=logging.INFO)
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parser = argparse.ArgumentParser()
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parser.add_argument("board_name", help="the name of the board that runs the ACRN hypervisor")
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parser.add_argument("--out", help="the name of board info file")
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parser.add_argument("--advanced", action="store_true", default=False, help="extract advanced information such as ACPI namespace")
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args = parser.parse_args()
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board_xml = args.out if args.out else f"{args.board_name}.xml"
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main(args.board_name, board_xml, args)
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