On Fri, 2 Jan 2026 at 15:20, Thomas Weißschuh thomas.weissschuh@linutronix.de wrote:

Add a basic config to run kunit tests on 32-bit big endian ARM.

Signed-off-by: Thomas Weißschuh thomas.weissschuh@linutronix.de

The test string_test_memset64 currently fails. The fix is here: https://lore.kernel.org/lkml/20260102-armeb-memset64-v1-1-9aa15fb8e820@linut...

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Thanks! This works here with: ./tools/testing/kunit/kunit.py run --arch armeb --cross_compile=arm-linux-gnueabi-

(though big-endian arm isn't supported on LLVM=1 configs)

Reviewed-by: David Gow davidgow@google.com

Cheers, -- David

tools/testing/kunit/qemu_configs/armeb.py | 16 ++++++++++++++++ 1 file changed, 16 insertions(+)

diff --git a/tools/testing/kunit/qemu_configs/armeb.py b/tools/testing/kunit/qemu_configs/armeb.py new file mode 100644 index 000000000000..86d326651490 --- /dev/null +++ b/tools/testing/kunit/qemu_configs/armeb.py @@ -0,0 +1,16 @@ +# SPDX-License-Identifier: GPL-2.0

+from ..qemu_config import QemuArchParams

+QEMU_ARCH = QemuArchParams(linux_arch='arm',

•                      kconfig='''
  

+CONFIG_CPU_BIG_ENDIAN=y +CONFIG_ARCH_VIRT=y +CONFIG_SERIAL_AMBA_PL010=y +CONFIG_SERIAL_AMBA_PL010_CONSOLE=y +CONFIG_SERIAL_AMBA_PL011=y +CONFIG_SERIAL_AMBA_PL011_CONSOLE=y''',

•                      qemu_arch='arm',
  

•                      kernel_path='arch/arm/boot/zImage',
  

•                      kernel_command_line='console=ttyAMA0',
  

•                      extra_qemu_params=['-machine', 'virt'])
  
  

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base-commit: a77b19b747c8a53ac16289685b0f77085a2ad553 change-id: 20251230-kunit-armeb-b4ecff7d3cba

Best regards,

Thomas Weißschuh thomas.weissschuh@linutronix.de