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#!/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 time
import os
import logging
from qemu_test import QemuSystemTest, Asset
from qemu_test import exec_command, wait_for_console_pattern
from qemu_test import exec_command_and_wait_for_pattern
from test_aarch64_rme_virt import test_realms_guest
class Aarch64RMESbsaRefMachine(QemuSystemTest):
# Stack is built with OP-TEE build environment from those instructions:
# https://linaro.atlassian.net/wiki/spaces/QEMU/pages/29051027459/
# https://github.com/pbo-linaro/qemu-rme-stack
ASSET_RME_STACK_SBSA = Asset(
('https://fileserver.linaro.org/s/KJyeBxL82mz2r7F/'
'download/rme-stack-op-tee-4.2.0-cca-v4-sbsa.tar.gz'),
'dd9ab28ec869bdf3b5376116cb3689103b43433fd5c4bca0f4a8d8b3c104999e')
# 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.vm.set_console()
stack_path_tar_gz = self.ASSET_RME_STACK_SBSA.fetch()
self.archive_extract(stack_path_tar_gz, format="tar")
rme_stack = self.scratch_file('rme-stack-op-tee-4.2.0-cca-v4-sbsa')
pflash0 = os.path.join(rme_stack, 'images', 'SBSA_FLASH0.fd')
pflash1 = os.path.join(rme_stack, 'images', 'SBSA_FLASH1.fd')
virtual = os.path.join(rme_stack, 'images', 'disks', 'virtual')
drive = os.path.join(rme_stack, 'out-br', 'images', 'rootfs.ext4')
self.vm.add_args('-cpu', 'max,x-rme=on,pauth-impdef=on')
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:{virtual},format=raw')
self.vm.add_args('-drive', f'format=raw,if=none,file={drive},id=hd0')
self.vm.add_args('-device', 'virtio-blk-pci,drive=hd0')
self.vm.add_args('-device', 'virtio-9p-pci,fsdev=shr0,mount_tag=shr0')
self.vm.add_args('-fsdev', f'local,security_model=none,path={rme_stack},id=shr0')
self.vm.add_args('-device', 'virtio-net-pci,netdev=net0')
self.vm.add_args('-netdev', 'user,id=net0')
self.vm.launch()
# Wait for host VM boot to complete.
wait_for_console_pattern(self, 'Welcome to Buildroot')
exec_command_and_wait_for_pattern(self, 'root', '#')
test_realms_guest(self)
if __name__ == '__main__':
QemuSystemTest.main()
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