gem5/tests/gem5/fs/linux/arm/test.py

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"""
Arm FS simulation tests
"""

import re
from os.path import join as joinpath

from testlib import *

arm_fs_kvm_tests = ["realview64-kvm", "realview64-kvm-dual"]

arm_fs_quick_tests = [
    "realview64-simple-atomic",
    "realview64-simple-atomic-dual",
    "realview64-simple-atomic-checkpoint",
    "realview64-simple-timing",
    "realview64-simple-timing-dual",
    "realview64-switcheroo-atomic",
    "realview64-switcheroo-timing",
] + arm_fs_kvm_tests

arm_fs_long_tests = [
    "realview-simple-atomic",
    "realview-simple-atomic-checkpoint",
    "realview-simple-timing",
    "realview-switcheroo-atomic",
    "realview-switcheroo-timing",
    "realview-o3",
    "realview-minor",
    "realview-switcheroo-noncaching-timing",
    "realview-switcheroo-o3",
    "realview-switcheroo-full",
    "realview64-o3",
    "realview64-o3-checker",
    "realview64-o3-dual",
    "realview64-minor",
    "realview64-minor-dual",
    "realview64-switcheroo-o3",
    "realview64-switcheroo-full",
    "realview-simple-timing-ruby",
    "realview64-simple-timing-ruby",
    "realview64-simple-timing-dual-ruby",
    "realview64-o3-dual-ruby",
    # The following tests fail. These are recorded in the GEM5-640
    # Jira issue.
    #
    # https://gem5.atlassian.net/browse/GEM5-640
    #'realview-simple-atomic-dual',
    #'realview-simple-timing-dual',
    #'realview-o3-dual',
    #'realview-minor-dual',
    #'realview-simple-timing-dual-ruby',
]

tarball = "aarch-system-20220707.tar.bz2"
url = config.resource_url + "/arm/" + tarball
filepath = os.path.dirname(os.path.abspath(__file__))
path = joinpath(config.bin_path, "arm")
arm_fs_binaries = DownloadedArchive(url, path, tarball)


def support_kvm():
    return os.access("/dev/kvm", os.R_OK | os.W_OK)


def verifier_list(name):
    verifiers = []
    if "dual" in name:
        verifiers.append(
            verifier.MatchFileRegex(
                re.compile(r".*CPU1: Booted secondary processor.*"),
                ["system.terminal"],
            )
        )

    return verifiers


for name in arm_fs_quick_tests:
    if name in arm_fs_kvm_tests:
        # The current host might not be supporting KVM
        # Skip the test if that's the case
        if not support_kvm():
            continue

        # Run KVM test if we are on an arm host only
        valid_hosts = (constants.host_arm_tag,)
    else:
        valid_hosts = constants.supported_hosts

    args = [
        joinpath(
            config.base_dir,
            "tests",
            "gem5",
            "fs",
            "linux",
            "arm",
            "configs",
            name + ".py",
        ),
        path,
        config.base_dir,
    ]
    gem5_verify_config(
        name=name,
        verifiers=verifier_list(name),  # Add basic stat verifiers
        config=joinpath(filepath, "run.py"),
        config_args=args,
        valid_isas=(constants.all_compiled_tag,),
        length=constants.quick_tag,
        valid_hosts=valid_hosts,
        fixtures=(arm_fs_binaries,),
        uses_kvm=name in arm_fs_kvm_tests,
    )

for name in arm_fs_long_tests:
    args = [
        joinpath(
            config.base_dir,
            "tests",
            "gem5",
            "fs",
            "linux",
            "arm",
            "configs",
            name + ".py",
        ),
        path,
        config.base_dir,
    ]
    gem5_verify_config(
        name=name,
        verifiers=verifier_list(name),  # TODO: Add basic stat verifiers
        config=joinpath(filepath, "run.py"),
        config_args=args,
        valid_isas=(constants.arm_x86_tag,),
        length=constants.long_tag,
        fixtures=(arm_fs_binaries,),
        uses_kvm=name in arm_fs_kvm_tests,
    )