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72 lines
2.3 KiB
Python
72 lines
2.3 KiB
Python
#!/usr/bin/env python3
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#
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# Functional test that runs subsets of kvm-unit-tests on Aarch64.
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# These can run on TCG and any accelerator supporting nested
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# virtualisation.
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#
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# Copyright (c) 2025 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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from qemu_test import Asset
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from qemu_test import exec_command_and_wait_for_pattern as ec_and_wait
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from qemu_test.linuxkernel import LinuxKernelTest
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class Aarch64VirtKVMTests(LinuxKernelTest):
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ASSET_KVM_TEST_KERNEL = Asset(
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'https://fileserver.linaro.org/s/HmjaxXXYHYSqbes/'
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'download?path=%2F&files='
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'image-with-kvm-tool-and-unit-tests.gz',
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'34de4aaea90db5da42729e7d28b77f392c37a2f4da859f889a5234aaf0970696')
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# make it easier to detect successful return to shell
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PS1 = 'RES=[$?] # '
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OK_CMD = 'RES=[0] # '
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# base of tests
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KUT_BASE = "/usr/share/kvm-unit-tests/"
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def _launch_guest(self, kvm_mode="nvhe"):
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self.set_machine('virt')
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kernel_path = self.ASSET_KVM_TEST_KERNEL.fetch()
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self.vm.set_console()
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kernel_command_line = (self.KERNEL_COMMON_COMMAND_LINE +
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f"console=ttyAMA0 kvm-arm.mode={kvm_mode}")
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self.vm.add_args("-cpu", "cortex-a72")
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self.vm.add_args("-machine", "virt,gic-version=3,virtualization=on",
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'-kernel', kernel_path,
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'-append', kernel_command_line)
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self.vm.add_args("-smp", "2", "-m", "320")
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self.vm.launch()
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self.wait_for_console_pattern('buildroot login:')
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ec_and_wait(self, 'root', '#')
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ec_and_wait(self, f"export PS1='{self.PS1}'", self.OK_CMD)
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# this is just a smoketest, we don't run all the tests in the image
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def _smoketest_kvm(self):
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ec_and_wait(self, f"{self.KUT_BASE}/selftest-setup", self.OK_CMD)
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ec_and_wait(self, f"{self.KUT_BASE}/selftest-smp", self.OK_CMD)
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ec_and_wait(self, f"{self.KUT_BASE}/selftest-vectors-kernel", self.OK_CMD)
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ec_and_wait(self, f"{self.KUT_BASE}/selftest-vectors-user", self.OK_CMD)
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def test_aarch64_nvhe_selftest(self):
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self._launch_guest("nvhe")
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self._smoketest_kvm()
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def test_aarch64_vhe_selftest(self):
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self._launch_guest("vhe")
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self._smoketest_kvm()
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if __name__ == '__main__':
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LinuxKernelTest.main()
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