| #!/usr/bin/env python3 |
| # |
| # Functional test that runs subsets of kvm-unit-tests on Aarch64. |
| # These can run on TCG and any accelerator supporting nested |
| # virtualisation. |
| # |
| # Copyright (c) 2025 Linaro |
| # |
| # Author: |
| # Alex Bennée <alex.bennee@linaro.org> |
| # |
| # SPDX-License-Identifier: GPL-2.0-or-later |
| |
| from qemu_test import Asset |
| from qemu_test import exec_command_and_wait_for_pattern as ec_and_wait |
| from qemu_test.linuxkernel import LinuxKernelTest |
| |
| |
| class Aarch64VirtKVMTests(LinuxKernelTest): |
| |
| ASSET_KVM_TEST_KERNEL = Asset( |
| 'https://fileserver.linaro.org/s/HmjaxXXYHYSqbes/' |
| 'download?path=%2F&files=' |
| 'image-with-kvm-tool-and-unit-tests.gz', |
| '34de4aaea90db5da42729e7d28b77f392c37a2f4da859f889a5234aaf0970696') |
| |
| # make it easier to detect successful return to shell |
| PS1 = 'RES=[$?] # ' |
| OK_CMD = 'RES=[0] # ' |
| |
| # base of tests |
| KUT_BASE = "/usr/share/kvm-unit-tests/" |
| |
| def _launch_guest(self, kvm_mode="nvhe"): |
| |
| self.set_machine('virt') |
| kernel_path = self.ASSET_KVM_TEST_KERNEL.fetch() |
| |
| self.vm.set_console() |
| kernel_command_line = (self.KERNEL_COMMON_COMMAND_LINE + |
| f"console=ttyAMA0 kvm-arm.mode={kvm_mode}") |
| |
| self.vm.add_args("-cpu", "cortex-a72") |
| self.vm.add_args("-machine", "virt,gic-version=3,virtualization=on", |
| '-kernel', kernel_path, |
| '-append', kernel_command_line) |
| self.vm.add_args("-smp", "2", "-m", "320") |
| |
| self.vm.launch() |
| |
| self.wait_for_console_pattern('buildroot login:') |
| ec_and_wait(self, 'root', '#') |
| ec_and_wait(self, f"export PS1='{self.PS1}'", self.OK_CMD) |
| |
| # this is just a smoketest, we don't run all the tests in the image |
| def _smoketest_kvm(self): |
| ec_and_wait(self, f"{self.KUT_BASE}/selftest-setup", self.OK_CMD) |
| ec_and_wait(self, f"{self.KUT_BASE}/selftest-smp", self.OK_CMD) |
| ec_and_wait(self, f"{self.KUT_BASE}/selftest-vectors-kernel", self.OK_CMD) |
| ec_and_wait(self, f"{self.KUT_BASE}/selftest-vectors-user", self.OK_CMD) |
| |
| def test_aarch64_nvhe_selftest(self): |
| self._launch_guest("nvhe") |
| self._smoketest_kvm() |
| |
| def test_aarch64_vhe_selftest(self): |
| self._launch_guest("vhe") |
| self._smoketest_kvm() |
| |
| if __name__ == '__main__': |
| LinuxKernelTest.main() |
