QEMU 4.0 onward is able to boot an uncompressed kernel
image by using the x86/HVM direct boot ABI. It needs
Linux >= 4.21 built with CONFIG_PVH=y.
This introduces an acceptance test which checks an
uncompressed Linux kernel image boots properly.
Signed-off-by: Wainer dos Santos Moschetta <waine...@redhat.com>
---
tests/acceptance/pvh.py | 48 +++++++++++++++++++++++++++++++++++++++++
1 file changed, 48 insertions(+)
create mode 100644 tests/acceptance/pvh.py
diff --git a/tests/acceptance/pvh.py b/tests/acceptance/pvh.py
new file mode 100644
index 0000000000..c68489c273
--- /dev/null
+++ b/tests/acceptance/pvh.py
@@ -0,0 +1,48 @@
+# Copyright (c) 2019 Red Hat, Inc.
+#
+# Author:
+# Wainer dos Santos Moschetta <waine...@redhat.com>
+#
+# This work is licensed under the terms of the GNU GPL, version 2 or
+# later. See the COPYING file in the top-level directory.
+
+"""
+x86/HVM direct boot acceptance tests.
+"""
+
+from avocado.utils.kernel import KernelBuild
+from avocado_qemu import Test
+from avocado_qemu import wait_for_console_pattern
+
+
+class Pvh(Test):
+ """
+ Test suite for x86/HVM direct boot feature.
+
+ :avocado: tags=slow,arch=x86_64,machine=q35
+ """
+ def test_boot_vmlinux(self):
+ """
+ Boot uncompressed kernel image.
+ """
+ # QEMU can boot a vmlinux image for kernel >= 4.21 built
+ # with CONFIG_PVH=y
+ kernel_version = '5.4.1'
+ kbuild = KernelBuild(kernel_version, work_dir=self.workdir)
+ try:
+ kbuild.download()
+ kbuild.uncompress()
+ kbuild.configure(targets=['defconfig', 'kvmconfig'],
+ extra_configs=['CONFIG_PVH=y'])
+ kbuild.build()
+ except:
+ self.cancel("Unable to build vanilla kernel %s" % kernel_version)
+
+ self.vm.set_machine('q35')
+ self.vm.set_console()
+ kernel_command_line = 'printk.time=0 console=ttyS0'
+ self.vm.add_args('-kernel', kbuild.vmlinux,
+ '-append', kernel_command_line)
+ self.vm.launch()
+ wait_for_console_pattern(self, 'Kernel command line: %s' %
+ kernel_command_line)
--
2.21.0
