kunit: qemu_configs: Add LoongArch config

Add a basic config to run kunit tests on LoongArch.
This requires QEMU 9.1.0 or later for the necessary direct kernel boot
support.

Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Thomas Weißschuh <[email protected]>
Reviewed-by: Bibo Mao <[email protected]>
Reviewed-by: David Gow <[email protected]>
Signed-off-by: Shuah Khan <[email protected]>

Author: t-8ch

tools/testing/kunit/qemu_configs/loongarch.py

@@ -0,0 +1,18 @@
+# SPDX-License-Identifier: GPL-2.0
+
+from ..qemu_config import QemuArchParams
+
+QEMU_ARCH = QemuArchParams(linux_arch='loongarch',
+			   kconfig='''
+CONFIG_EFI_STUB=n
+CONFIG_PCI_HOST_GENERIC=y
+CONFIG_SERIAL_8250=y
+CONFIG_SERIAL_8250_CONSOLE=y
+CONFIG_SERIAL_OF_PLATFORM=y
+''',
+			   qemu_arch='loongarch64',
+			   kernel_path='arch/loongarch/boot/vmlinux.elf',
+			   kernel_command_line='console=ttyS0',
+			   extra_qemu_params=[
+					   '-machine', 'virt',
+					   '-cpu', 'max',])