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'''
Arm FS simulation tests
'''

from os.path import join as joinpath

from testlib import *

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_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-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',


    # The following tests fail. These are recorded in the GEM5-640 and GEM5-364
    # Jira issues.
    #
    # 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',
    #
    # https://gem5.atlassian.net/browse/GEM5-364
    #'realview-o3-checker',
    #'realview64-o3-checker',
]

tarball = 'aarch-system-20200611.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)

for name in arm_fs_quick_tests:
    args = [
        joinpath(config.base_dir, 'tests', 'gem5', 'configs', name + '.py'),
        path,
        config.base_dir
    ]
    gem5_verify_config(
        name=name,
        verifiers=(), # Add basic stat verifiers
        config=joinpath(filepath, 'run.py'),
        config_args=args,
        valid_isas=(constants.arm_tag,),
        length=constants.quick_tag,
        fixtures=(arm_fs_binaries,)
    )

for name in arm_fs_long_tests:
    args = [
        joinpath(config.base_dir, 'tests', 'gem5', 'configs', name + '.py'),
        path,
        config.base_dir
    ]
    gem5_verify_config(
        name=name,
        verifiers=(), # TODO: Add basic stat verifiers
        config=joinpath(filepath, 'run.py'),
        config_args=args,
        valid_isas=(constants.arm_tag,),
        length=constants.long_tag,
        fixtures=(arm_fs_binaries,)
    )

@@ -2161,16 +2161,62 @@
 port *%0A%0A
+arm_fs_kvm_tests = %5B%0A    'realview64-kvm',%0A%5D%0A%0A
 arm_fs_q
@@ -2480,24 +2480,43 @@
 o-timing',%0A%5D
+ + arm_fs_kvm_tests
 %0A%0Aarm_fs_lon
@@ -3805,39 +3805,454 @@
 l)%0A%0A
-for name in arm_fs_quick_tests:
+def support_kvm():%0A    return os.access(%22/dev/kvm%22, os.R_OK %7C os.W_OK)%0A%0Afor name in arm_fs_quick_tests:%0A    if name in arm_fs_kvm_tests:%0A        # The current host might not be supporting KVM%0A        # Skip the test if that's the case%0A        if not support_kvm():%0A            continue%0A%0A        # Run KVM test if we are on an arm host only%0A        valid_hosts = (constants.host_arm_tag,)%0A    else:%0A        valid_hosts = constants.supported_hosts%0A
 %0A   
@@ -4618,24 +4618,57 @@
 .quick_tag,%0A
+        valid_hosts=valid_hosts,%0A
         fixt

Add realview64-kvm.py test to quick regressions