mirror of https://gitlab.com/qemu-project/qemu
You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
78 lines
3.0 KiB
Python
78 lines
3.0 KiB
Python
#!/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
|
|
from qemu_test import exec_command_and_wait_for_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-a7f02cf.tar.xz'),
|
|
'27d8400b11befb828d6db0cab97e7ae102d0992c928d3dfbf38b24b6cf6c324c')
|
|
|
|
# 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') 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()
|