From aee2d1a6778ae8cd22d0b6e5571e8d4bb345c520 Mon Sep 17 00:00:00 2001
From: Guennadi Liakhovetski <guennadi.liakhovetski@linux.intel.com>
Date: Wed, 10 Jan 2024 16:29:05 +0100
Subject: [PATCH] llext: provide an example of tristate Kconfig option

Add a tristate Kconfig option to the llext hello-world twister test.

Signed-off-by: Guennadi Liakhovetski <guennadi.liakhovetski@linux.intel.com>
---
 tests/subsys/llext/Kconfig                    | 12 ++++++++++++
 tests/subsys/llext/hello_world/CMakeLists.txt |  4 ++++
 tests/subsys/llext/testcase.yaml              |  4 ++++
 3 files changed, 20 insertions(+)
 create mode 100644 tests/subsys/llext/Kconfig

diff --git a/tests/subsys/llext/Kconfig b/tests/subsys/llext/Kconfig
new file mode 100644
index 00000000000..b09068f9810
--- /dev/null
+++ b/tests/subsys/llext/Kconfig
@@ -0,0 +1,12 @@
+# SPDX-License-Identifier: Apache-2.0
+# Copyright (c) 2024 Intel Corporation.
+
+mainmenu "LLEXT functionality test"
+
+source "Kconfig.zephyr"
+
+config LLEXT_TEST_HELLO
+	tristate "llext hello test"
+	default n
+	help
+	  Set to "m" to test hello-world loading
diff --git a/tests/subsys/llext/hello_world/CMakeLists.txt b/tests/subsys/llext/hello_world/CMakeLists.txt
index 833d8c56ccd..980f0e97d00 100644
--- a/tests/subsys/llext/hello_world/CMakeLists.txt
+++ b/tests/subsys/llext/hello_world/CMakeLists.txt
@@ -5,6 +5,8 @@ cmake_minimum_required(VERSION 3.20.0)
 find_package(Zephyr REQUIRED HINTS $ENV{ZEPHYR_BASE})
 project(hello_world)
 
+if(NOT CONFIG_MODULES OR CONFIG_LLEXT_TEST_HELLO STREQUAL "m")
+
 # TODO check which architecture is being used
 if(CONFIG_ARM)
     set(CMAKE_C_FLAGS "-mlong-calls" "-mthumb")
@@ -34,3 +36,5 @@ endif()
 set(HELLO_WORLD_LLEXT ${PROJECT_BINARY_DIR}/hello_world.llext PARENT_SCOPE)
 
 add_custom_target(hello_world DEPENDS ${PROJECT_BINARY_DIR}/hello_world.llext)
+
+endif()
diff --git a/tests/subsys/llext/testcase.yaml b/tests/subsys/llext/testcase.yaml
index 2747edf8d0c..6a5fdd1ef0f 100644
--- a/tests/subsys/llext/testcase.yaml
+++ b/tests/subsys/llext/testcase.yaml
@@ -6,6 +6,8 @@ tests:
     arch_allow: arm
     extra_configs:
       - CONFIG_ARM_MPU=n
+      - CONFIG_MODULES=y
+      - CONFIG_LLEXT_TEST_HELLO=m
     # Broken platforms
     platform_exclude:
       - nuvoton_pfm_m487 # See #63167
@@ -13,6 +15,8 @@ tests:
     arch_allow: xtensa
     extra_configs:
       - CONFIG_LLEXT_STORAGE_WRITABLE=y
+      - CONFIG_MODULES=y
+      - CONFIG_LLEXT_TEST_HELLO=m
     # Broken platforms
     platform_exclude:
       - qemu_xtensa_mmu # ELF sections are read-only, and without peek() .text copy isn't executable