adds initial testing setup

test/CMakeLists.txt

@@ -0,0 +1,3 @@
+cmake_minimum_required(VERSION 3.21)
+
+add_subdirectory(threadx)

test/threadx/CMakeLists.txt

@@ -0,0 +1,65 @@
+cmake_minimum_required(VERSION 3.21)
+
+enable_testing()
+
+set(TX_REGRESSION_DIR
+    ${CMAKE_SOURCE_DIR}/third-party/threadx/test/tx/regression
+)
+set(TX_CMAKE_DIR
+    ${CMAKE_SOURCE_DIR}/third-party/threadx/test/tx/cmake
+)
+
+set(TX_REGRESSION_CASES
+    ${TX_REGRESSION_DIR}/threadx_block_memory_basic_test.c
+    ${TX_REGRESSION_DIR}/threadx_byte_memory_basic_test.c
+    ${TX_REGRESSION_DIR}/threadx_event_flag_basic_test.c
+    ${TX_REGRESSION_DIR}/threadx_mutex_basic_test.c
+    ${TX_REGRESSION_DIR}/threadx_queue_basic_one_word_test.c
+    ${TX_REGRESSION_DIR}/threadx_semaphore_basic_test.c
+    ${TX_REGRESSION_DIR}/threadx_thread_basic_execution_test.c
+    ${TX_REGRESSION_DIR}/threadx_timer_simple_test.c
+)
+
+set(TX_REGRESSION_TARGETS)
+set(TX_REGRESSION_OUTPUT_DIR ${CMAKE_BINARY_DIR}/test)
+set(TX_REGRESSION_TARGET_MEM ram_dram)
+
+add_library(
+    threadx_regression_support STATIC
+    ${TX_REGRESSION_DIR}/testcontrol.c
+    ${TX_CMAKE_DIR}/samples/fake.c
+)
+target_link_libraries(threadx_regression_support PUBLIC threadx c)
+target_compile_definitions(
+    threadx_regression_support
+    PUBLIC
+    CTEST
+    BATCH_TEST
+    TEST_STACK_SIZE_PRINTF=4096
+)
+function(add_threadx_regression_test TEST_SOURCE)
+    get_filename_component(TEST_NAME ${TEST_SOURCE} NAME_WE)
+
+    setup_target(
+        ${TEST_NAME}
+        OUTPUT_DIR ${TX_REGRESSION_OUTPUT_DIR}
+        TARGET_MEM ${TX_REGRESSION_TARGET_MEM}
+        LIBRARIES threadx_regression_support
+        SOURCES ${TEST_SOURCE}
+    )
+
+    list(APPEND TX_REGRESSION_TARGETS ${TEST_NAME})
+    set(TX_REGRESSION_TARGETS ${TX_REGRESSION_TARGETS} PARENT_SCOPE)
+
+    # The executable is embedded and not directly host-runnable.
+    # Add a real add_test() command here once a QEMU or board runner exists.
+endfunction()
+
+foreach(test_case ${TX_REGRESSION_CASES})
+    add_threadx_regression_test(${test_case})
+endforeach()
+
+add_custom_target(
+    threadx_regression_build
+    DEPENDS ${TX_REGRESSION_TARGETS}
+)