linux-kernel - [PATCH] kunit: qemu_configs: Add 32-bit big endian ARM configuration

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Message-Id: <20260102-kunit-armeb-v1-1-e8e5475d735c@linutronix.de>
Date: Fri, 02 Jan 2026 08:20:39 +0100
From: Thomas Weißschuh <thomas.weissschuh@...utronix.de>
To: Brendan Higgins <brendan.higgins@...ux.dev>, 
 David Gow <davidgow@...gle.com>, Rae Moar <raemoar63@...il.com>
Cc: linux-kernel@...r.kernel.org, linux-kselftest@...r.kernel.org, 
 kunit-dev@...glegroups.com, 
 Thomas Weißschuh <thomas.weissschuh@...utronix.de>
Subject: [PATCH] kunit: qemu_configs: Add 32-bit big endian ARM
 configuration

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

Signed-off-by: Thomas Weißschuh <thomas.weissschuh@...utronix.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@...utronix.de>