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oeqa selftest uboot.py: add qemu KVM test case

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Add a test case to boot target system via u-boot
using qemu with KVM. This was broken recently
and workaround proposed to u-boot. Test case
works with genericarm64 and qemuarm64 target machines
compiled and tested on aarch64 build host with KVM
support.

Test execution time with full sstate cache is
around 170 seconds. qemu boot itself takes just
a few seconds to full userspace.

(From OE-Core rev: dce900b029607d12ad55de35741f245beb409b47)

Signed-off-by: Mikko Rapeli <mikko.rapeli@linaro.org>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Mikko Rapeli 2025-06-03 15:29:39 +03:00 committed by Richard Purdie
parent deffb5f00a
commit b168cb4167
1 changed files with 57 additions and 2 deletions
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59
meta/lib/oeqa/selftest/cases/uboot.py
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@ -6,8 +6,8 @@
#
from oeqa.selftest.case import OESelftestTestCase
from oeqa.utils.commands import bitbake, runqemu
from oeqa.core.decorator.data import skipIfNotArch
from oeqa.utils.commands import bitbake, runqemu, get_bb_var, get_bb_vars, runCmd
from oeqa.core.decorator.data import skipIfNotArch, skipIfNotBuildArch
from oeqa.core.decorator import OETestTag
uboot_boot_patterns = {
@ -41,3 +41,58 @@ QEMU_USE_KVM = "False"
status, output = qemu.run_serial(cmd)
self.assertEqual(status, 1, msg=output)
self.assertTrue("U-Boot" in output, msg=output)
@skipIfNotArch(['aarch64'])
@skipIfNotBuildArch(['aarch64'])
@OETestTag("runqemu")
def test_boot_uboot_kvm_to_full_target(self):
"""
Tests building u-boot and booting it with QEMU and KVM.
Requires working KVM on build host. See "kvm-ok" output.
"""
runCmd("kvm-ok")
image = "core-image-minimal"
vars = get_bb_vars(['HOST_ARCH', 'BUILD_ARCH'], image)
host_arch = vars['HOST_ARCH']
build_arch = vars['BUILD_ARCH']
self.assertEqual(host_arch, build_arch, 'HOST_ARCH %s and BUILD_ARCH %s must match for KVM' % (host_arch, build_arch))
self.write_config("""
QEMU_USE_KVM = "1"
# Using u-boot in EFI mode, need ESP partition for grub/systemd-boot/kernel etc
IMAGE_FSTYPES:pn-core-image-minimal:append = " wic"
# easiest to follow genericarm64 setup with wks file, initrd and EFI loader
INITRAMFS_IMAGE = "core-image-initramfs-boot"
EFI_PROVIDER = "${@bb.utils.contains("DISTRO_FEATURES", "systemd", "systemd-boot", "grub-efi", d)}"
WKS_FILE = "genericarm64.wks.in"
# use wic image with ESP for u-boot, not ext4
QB_DEFAULT_FSTYPE = "wic"
PREFERRED_PROVIDER_virtual/bootloader = "u-boot"
QB_DEFAULT_BIOS = "u-boot.bin"
# let u-boot or EFI loader load kernel from ESP
QB_DEFAULT_KERNEL = "none"
# virt pci, not scsi because support not in u-boot to find ESP
QB_DRIVE_TYPE = "/dev/vd"
""")
bitbake("virtual/bootloader %s" % image)
runqemu_params = get_bb_var('TEST_RUNQEMUPARAMS', image) or ""
with runqemu(image, ssh=False, runqemuparams='nographic kvm %s' % runqemu_params) as qemu:
# boot to target and login worked, should have been fast with kvm
cmd = "dmesg"
status, output = qemu.run_serial(cmd)
self.assertEqual(status, 1, msg=output)
# Machine is qemu
self.assertTrue("Machine model: linux,dummy-virt" in output, msg=output)
# with KVM enabled
self.assertTrue("KVM: hypervisor services detected" in output, msg=output)