d377ba4852
The tests that are already tagged with "cpu:VALUE" don't need to add "-cpu VALUE" to the list of arguments of the vm object because the avocado_qemu framework is able to handle it automatically. Reviewed-by: Cleber Rosa <crosa@redhat.com> Tested-by: Cleber Rosa <crosa@redhat.com> Reviewed-by: Willian Rampazzo <willianr@redhat.com> Signed-off-by: Wainer dos Santos Moschetta <wainersm@redhat.com> Message-Id: <20210430133414.39905-4-wainersm@redhat.com> Signed-off-by: Cleber Rosa <crosa@redhat.com>
148 lines
5.2 KiB
Python
148 lines
5.2 KiB
Python
# TCG Plugins tests
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#
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# These are a little more involved than the basic tests run by check-tcg.
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#
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# Copyright (c) 2021 Linaro
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#
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# Author:
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# Alex Bennée <alex.bennee@linaro.org>
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#
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# SPDX-License-Identifier: GPL-2.0-or-later
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import tempfile
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import mmap
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import re
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from boot_linux_console import LinuxKernelTest
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class PluginKernelBase(LinuxKernelTest):
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"""
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Boots a Linux kernel with a TCG plugin enabled.
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"""
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timeout = 120
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KERNEL_COMMON_COMMAND_LINE = 'printk.time=1 panic=-1 '
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def run_vm(self, kernel_path, kernel_command_line,
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plugin, plugin_log, console_pattern, args=None):
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vm = self.get_vm()
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vm.set_console()
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vm.add_args('-kernel', kernel_path,
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'-append', kernel_command_line,
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'-plugin', plugin,
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'-d', 'plugin',
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'-D', plugin_log,
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'-net', 'none',
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'-no-reboot')
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if args:
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vm.add_args(*args)
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try:
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vm.launch()
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except:
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# TODO: probably fails because plugins not enabled but we
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# can't currently probe for the feature.
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self.cancel("TCG Plugins not enabled?")
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self.wait_for_console_pattern(console_pattern, vm)
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# ensure logs are flushed
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vm.shutdown()
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class PluginKernelNormal(PluginKernelBase):
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def _grab_aarch64_kernel(self):
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kernel_url = ('http://security.debian.org/'
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'debian-security/pool/updates/main/l/linux-signed-arm64/'
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'linux-image-4.19.0-12-arm64_4.19.152-1_arm64.deb')
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kernel_sha1 = '2036c2792f80ac9c4ccaae742b2e0a28385b6010'
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kernel_deb = self.fetch_asset(kernel_url, asset_hash=kernel_sha1)
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kernel_path = self.extract_from_deb(kernel_deb,
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"/boot/vmlinuz-4.19.0-12-arm64")
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return kernel_path
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def test_aarch64_virt_insn(self):
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"""
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:avocado: tags=accel:tcg
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:avocado: tags=arch:aarch64
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:avocado: tags=machine:virt
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:avocado: tags=cpu:cortex-a53
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"""
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kernel_path = self._grab_aarch64_kernel()
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kernel_command_line = (self.KERNEL_COMMON_COMMAND_LINE +
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'console=ttyAMA0')
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console_pattern = 'Kernel panic - not syncing: VFS:'
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plugin_log = tempfile.NamedTemporaryFile(mode="r+t", prefix="plugin",
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suffix=".log")
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self.run_vm(kernel_path, kernel_command_line,
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"tests/plugin/libinsn.so", plugin_log.name,
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console_pattern)
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with plugin_log as lf, \
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mmap.mmap(lf.fileno(), 0, access=mmap.ACCESS_READ) as s:
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m = re.search(br"insns: (?P<count>\d+)", s)
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if "count" not in m.groupdict():
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self.fail("Failed to find instruction count")
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def test_aarch64_virt_insn_icount(self):
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"""
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:avocado: tags=accel:tcg
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:avocado: tags=arch:aarch64
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:avocado: tags=machine:virt
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:avocado: tags=cpu:cortex-a53
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"""
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kernel_path = self._grab_aarch64_kernel()
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kernel_command_line = (self.KERNEL_COMMON_COMMAND_LINE +
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'console=ttyAMA0')
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console_pattern = 'Kernel panic - not syncing: VFS:'
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plugin_log = tempfile.NamedTemporaryFile(mode="r+t", prefix="plugin",
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suffix=".log")
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self.run_vm(kernel_path, kernel_command_line,
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"tests/plugin/libinsn.so", plugin_log.name,
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console_pattern,
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args=('-icount', 'shift=1'))
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with plugin_log as lf, \
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mmap.mmap(lf.fileno(), 0, access=mmap.ACCESS_READ) as s:
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m = re.search(br"detected repeat execution @ (?P<addr>0x[0-9A-Fa-f]+)", s)
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if m is not None and "addr" in m.groupdict():
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self.fail("detected repeated instructions")
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def test_aarch64_virt_mem_icount(self):
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"""
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:avocado: tags=accel:tcg
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:avocado: tags=arch:aarch64
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:avocado: tags=machine:virt
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:avocado: tags=cpu:cortex-a53
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"""
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kernel_path = self._grab_aarch64_kernel()
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kernel_command_line = (self.KERNEL_COMMON_COMMAND_LINE +
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'console=ttyAMA0')
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console_pattern = 'Kernel panic - not syncing: VFS:'
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plugin_log = tempfile.NamedTemporaryFile(mode="r+t", prefix="plugin",
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suffix=".log")
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self.run_vm(kernel_path, kernel_command_line,
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"tests/plugin/libmem.so,arg=both", plugin_log.name,
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console_pattern,
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args=('-icount', 'shift=1'))
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with plugin_log as lf, \
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mmap.mmap(lf.fileno(), 0, access=mmap.ACCESS_READ) as s:
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m = re.findall(br"mem accesses: (?P<count>\d+)", s)
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if m is None or len(m) != 2:
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self.fail("no memory access counts found")
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else:
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inline = int(m[0])
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callback = int(m[1])
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if inline != callback:
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self.fail("mismatched access counts")
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