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@linutronix.de/
---
 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'])

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

Best regards,
-- 
Thomas Weißschuh <thomas.weissschuh@linutronix.de>

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@linutronix.de/
> ---

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'])
>
> ---
> base-commit: a77b19b747c8a53ac16289685b0f77085a2ad553
> change-id: 20251230-kunit-armeb-b4ecff7d3cba
>
> Best regards,
> --
> Thomas Weißschuh <thomas.weissschuh@linutronix.de>
>