buildroot/support/testing/tests/package/test_jailhouse.py

104 lines
4.0 KiB
Python

import os
import time
import infra.basetest
class TestJailhouse(infra.basetest.BRTest):
# This test uses a specific configuration, mainly for matching the
# requirements of the Jailhouse Qemu inmate demo. We also use the
# Linux kernel from Siemens, which includes patches for
# Jailhouse. Finally, we use the kernel config from
# board/qemu/aarch64-virt rather than the Kernel defconfig, for
# faster build (as it enable less components, but includes
# everything needed for this test).
kernel_ver = "eb6927f7eea77f823b96c0c22ad9d4a2d7ffdfce"
kernel_url = \
f"$(call github,siemens,linux,{kernel_ver})/linux-{kernel_ver}.tar.gz"
config = \
f"""
BR2_aarch64=y
BR2_TOOLCHAIN_EXTERNAL=y
BR2_TARGET_GENERIC_GETTY_PORT="ttyAMA0"
BR2_LINUX_KERNEL=y
BR2_LINUX_KERNEL_CUSTOM_TARBALL=y
BR2_LINUX_KERNEL_CUSTOM_TARBALL_LOCATION="{kernel_url}"
BR2_LINUX_KERNEL_USE_CUSTOM_CONFIG=y
BR2_LINUX_KERNEL_CUSTOM_CONFIG_FILE="board/qemu/aarch64-virt/linux.config"
BR2_PACKAGE_JAILHOUSE=y
BR2_TARGET_ROOTFS_EXT2=y
BR2_TARGET_ROOTFS_EXT2_4=y
# BR2_TARGET_ROOTFS_TAR is not set
"""
def test_run(self):
drive = os.path.join(self.builddir, "images", "rootfs.ext4")
kern = os.path.join(self.builddir, "images", "Image")
# Qemu option and Kernel args are taken from Jailhouse demo. See:
# https://github.com/siemens/jailhouse/blob/master/README.md
# We also add oops=panic to improve the test coverage.
self.emulator.boot(arch="aarch64",
kernel=kern,
kernel_cmdline=["root=/dev/vda console=ttyAMA0 mem=768M oops=panic"],
options=["-M", "virt,gic-version=3,virtualization=on,its=off",
"-cpu", "cortex-a57",
"-m", "1G",
"-smp", "16",
"-drive", f"file={drive},if=none,format=raw,id=hd0",
"-device", "virtio-blk-device,drive=hd0"])
self.emulator.login()
# Check the program can execute.
self.assertRunOk("jailhouse --version")
# Load the kernel module.
self.assertRunOk("modprobe jailhouse")
# Check the device is present.
self.assertRunOk("ls -al /dev/jailhouse")
# Load the cell config this this qemu test.
self.assertRunOk("jailhouse enable /etc/jailhouse/qemu-arm64.cell")
# Dump the jailhouse console, and check we see its
# initialization string.
out, ret = self.emulator.run("jailhouse console")
self.assertEqual(ret, 0)
self.assertIn("Initializing Jailhouse hypervisor", "\n".join(out))
# Create the cell.
cell_cfg = "/etc/jailhouse/qemu-arm64-inmate-demo.cell"
cmd = f"jailhouse cell create {cell_cfg}"
self.assertRunOk(cmd)
# Load the demo image.
cell_name = "inmate-demo"
img = "/usr/libexec/jailhouse/demos/gic-demo.bin"
cmd = f"jailhouse cell load {cell_name} {img}"
self.assertRunOk(cmd)
# List Jailhouse cells and check we see the one we loaded.
out, ret = self.emulator.run("jailhouse cell list")
self.assertEqual(ret, 0)
self.assertIn(cell_name, "\n".join(out))
# We should also see our cell in sysfs.
cmd = "cat /sys/devices/jailhouse/cells/1/name"
out, ret = self.emulator.run(cmd)
self.assertEqual(ret, 0)
self.assertEqual(out[0], cell_name)
# Start the cell.
self.assertRunOk(f"jailhouse cell start {cell_name}")
# Let the demo cell run for few seconds...
time.sleep(3)
# Stop and unload the cell.
self.assertRunOk(f"jailhouse cell shutdown {cell_name}")
self.assertRunOk(f"jailhouse cell destroy {cell_name}")
# Stop and unload jailhouse.
self.assertRunOk("jailhouse disable")
self.assertRunOk("modprobe -r jailhouse")