adds test harness

test/CMakeLists.txt

@@ -24,19 +24,38 @@ enable_testing()
 set(TARGET_MEM "ram_dram" CACHE STRING "memory map to use")
 set(CMAKE_EXECUTABLE_SUFFIX_C ".elf")
 
+set(THREADX_TEST_SIMULATOR
+  ""
+  CACHE FILEPATH "Path to the RISC-V VP executable used by CTest")
+if(NOT THREADX_TEST_SIMULATOR)
+  message(FATAL_ERROR
+    "THREADX_TEST_SIMULATOR is not set. Configure with -DTHREADX_TEST_SIMULATOR=/path/to/riscv-vp")
+endif()
+
+# Evaluate the variable from the toolchain file to decide which XLEN we are targetting (IMAC only!)
+if(CMAKE_SYSTEM_PROCESSOR STREQUAL "risc-v32")
+  set(THREADX_TEST_ISA "rv32imac_m")
+elseif(CMAKE_SYSTEM_PROCESSOR STREQUAL "risc-v64")
+  set(THREADX_TEST_ISA "rv64imac_m")
+else()
+  message(FATAL_ERROR
+    "Unsupported CMAKE_SYSTEM_PROCESSOR for VP ISA selection: ${CMAKE_SYSTEM_PROCESSOR}")
+endif()
+
 # The regression tests require the Timer ISR to call the function test_interrupt_dispatch(void)
-# We patch the current trap handler and include it using MOONLIGHT_TRAP_SOURCE
+# We patch the current trap handler and include it using MOONLIGHT_TRAP_SOURCE.
 set(MOONLIGHT_TRAP_SOURCE_INPUT ${THREADX4TGFS_ROOT}/port/moonlight/src/trap_non_vectored.c)
 set(MOONLIGHT_TRAP_SOURCE ${CMAKE_BINARY_DIR}/generated/trap_non_vectored.c)
-execute_process(
+add_custom_command(
+  OUTPUT ${MOONLIGHT_TRAP_SOURCE}
   COMMAND bash ${CMAKE_CURRENT_LIST_DIR}/threadx/generate_trap_file.sh
-  ${MOONLIGHT_TRAP_SOURCE_INPUT}
-  ${MOONLIGHT_TRAP_SOURCE}
-  RESULT_VARIABLE MOONLIGHT_TRAP_GENERATE_RESULT
+          ${MOONLIGHT_TRAP_SOURCE_INPUT}
+          ${MOONLIGHT_TRAP_SOURCE}
+  DEPENDS ${MOONLIGHT_TRAP_SOURCE_INPUT}
+          ${CMAKE_CURRENT_LIST_DIR}/threadx/generate_trap_file.sh
+  VERBATIM
 )
-if(NOT MOONLIGHT_TRAP_GENERATE_RESULT EQUAL 0)
-  message(FATAL_ERROR "Failed to generate regression trap source")
-endif()
+set_source_files_properties(${MOONLIGHT_TRAP_SOURCE} PROPERTIES GENERATED TRUE)
 
 add_subdirectory(${THREADX4TGFS_ROOT}/port/moonlight ${CMAKE_BINARY_DIR}/port/moonlight)