| #!/usr/bin/env python3 |
| # |
| # Functional test that boots a Realms environment on sbsa-ref machine and a |
| # nested guest VM using it. |
| # |
| # Copyright (c) 2024 Linaro Ltd. |
| # |
| # Author: Pierrick Bouvier <pierrick.bouvier@linaro.org> |
| # |
| # SPDX-License-Identifier: GPL-2.0-or-later |
| |
| import os |
| from os.path import join |
| import shutil |
| |
| from qemu_test import QemuSystemTest, Asset, wait_for_console_pattern |
| |
| |
| class Aarch64RMESbsaRefMachine(QemuSystemTest): |
| |
| # Stack is inspired from: |
| # https://linaro.atlassian.net/wiki/spaces/QEMU/pages/29051027459/ |
| # https://github.com/pbo-linaro/qemu-linux-stack/tree/rme_sbsa_release |
| # ./build.sh && ./archive_artifacts.sh out.tar.xz |
| ASSET_RME_STACK_SBSA = Asset( |
| ('https://github.com/pbo-linaro/qemu-linux-stack/' |
| 'releases/download/build/rme_sbsa_release-6a2dfc5.tar.xz'), |
| '5adba482aa069912292a8da746c6b21268224d9d81c97fe7c0bed690579ebdcb') |
| |
| # This tests the FEAT_RME cpu implementation, by booting a VM supporting it, |
| # and launching a nested VM using it. |
| def test_aarch64_rme_sbsaref(self): |
| self.set_machine('sbsa-ref') |
| self.require_accelerator('tcg') |
| self.require_netdev('user') |
| |
| self.vm.set_console() |
| |
| stack_path_tar = self.ASSET_RME_STACK_SBSA.fetch() |
| self.archive_extract(stack_path_tar, format="tar") |
| |
| rme_stack = self.scratch_file('.') |
| pflash0 = join(rme_stack, 'out', 'SBSA_FLASH0.fd') |
| pflash1 = join(rme_stack, 'out', 'SBSA_FLASH1.fd') |
| rootfs = join(rme_stack, 'out', 'host.ext4') |
| |
| efi = join(rme_stack, 'out', 'EFI') |
| os.makedirs(efi, exist_ok=True) |
| shutil.copyfile(join(rme_stack, 'out', 'Image'), join(efi, 'Image')) |
| with open(join(efi, 'startup.nsh'), 'w', encoding='ascii') as startup: |
| startup.write('fs0:Image nokaslr root=/dev/vda rw init=/init --' |
| ' /host/out/lkvm run --realm' |
| ' -m 256m' |
| ' --restricted_mem' |
| ' --kernel /host/out/Image' |
| ' --disk /host/out/guest.ext4' |
| ' --params "root=/dev/vda rw init=/init"') |
| |
| self.vm.add_args('-cpu', 'max,x-rme=on') |
| self.vm.add_args('-smp', '2') |
| self.vm.add_args('-m', '2G') |
| self.vm.add_args('-M', 'sbsa-ref') |
| self.vm.add_args('-drive', f'file={pflash0},format=raw,if=pflash') |
| self.vm.add_args('-drive', f'file={pflash1},format=raw,if=pflash') |
| self.vm.add_args('-drive', f'file=fat:rw:{efi},format=raw') |
| self.vm.add_args('-drive', f'format=raw,file={rootfs},if=virtio') |
| self.vm.add_args('-virtfs', |
| f'local,path={rme_stack}/,mount_tag=host,' |
| 'security_model=mapped,readonly=off') |
| self.vm.launch() |
| # Wait for host and guest VM boot to complete. |
| wait_for_console_pattern(self, 'root@guest', |
| failure_message='Kernel panic') |
| |
| if __name__ == '__main__': |
| QemuSystemTest.main() |
