d2a500cea9
The task for launching a kernel is quite repetitive: Set the serial console, set the -kernel and maybe -initrd and -dtb parameters, launch the VM and then wait for the expected console output. So it's easier in some tests to provide these steps via a separate function. Message-ID: <20240919185749.71222-2-thuth@redhat.com> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Thomas Huth <thuth@redhat.com>
54 lines
2.1 KiB
Python
54 lines
2.1 KiB
Python
# Test class for testing the boot process of a Linux kernel
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#
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# This work is licensed under the terms of the GNU GPL, version 2 or
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# later. See the COPYING file in the top-level directory.
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import os
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from .testcase import QemuSystemTest
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from .cmd import run_cmd, wait_for_console_pattern
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from .utils import archive_extract
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class LinuxKernelTest(QemuSystemTest):
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KERNEL_COMMON_COMMAND_LINE = 'printk.time=0 '
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def wait_for_console_pattern(self, success_message, vm=None):
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wait_for_console_pattern(self, success_message,
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failure_message='Kernel panic - not syncing',
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vm=vm)
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def launch_kernel(self, kernel, initrd=None, dtb=None, console_index=0,
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wait_for=None):
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self.vm.set_console(console_index=console_index)
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self.vm.add_args('-kernel', kernel)
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if initrd:
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self.vm.add_args('-initrd', initrd)
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if dtb:
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self.vm.add_args('-dtb', dtb)
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self.vm.launch()
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if wait_for:
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self.wait_for_console_pattern(wait_for)
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def extract_from_deb(self, deb_path, path):
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"""
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Extracts a file from a deb package into the test workdir
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:param deb_path: path to the deb archive
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:param path: path within the deb archive of the file to be extracted
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:returns: path of the extracted file
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"""
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cwd = os.getcwd()
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os.chdir(self.workdir)
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(stdout, stderr, ret) = run_cmd(['ar', 't', deb_path])
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file_path = stdout.split()[2]
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run_cmd(['ar', 'x', deb_path, file_path])
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archive_extract(file_path, self.workdir)
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os.chdir(cwd)
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# Return complete path to extracted file. Because callers to
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# extract_from_deb() specify 'path' with a leading slash, it is
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# necessary to use os.path.relpath() as otherwise os.path.join()
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# interprets it as an absolute path and drops the self.workdir part.
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return os.path.normpath(os.path.join(self.workdir,
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os.path.relpath(path, '/')))
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