Setup simulation-based testing flow

CMakeLists.txt

@@ -61,6 +61,48 @@ add_subdirectory(drivers)
 ################################################################################
 # Testing                                                                      #
 ################################################################################
-enable_testing()
+
+set(VALID_TEST_MODES "simulation" "none")
+
+# Option for TEST_MODE with default value
+option(TEST_MODE "Set what validation target the tests should be run on" "none")
+
+# Check if TEST_MODE is set to a valid option
+if(NOT TEST_MODE IN_LIST VALID_TEST_MODES)
+  # Collect all error messages into a single string
+  set(error_messages "")
+  list(APPEND error_messages "[CHIMERA-SDK] Invalid TEST_MODE: ${TEST_MODE}")
+  list(APPEND error_messages "[CHIMERA-SDK] Available options for TEST_MODE are:")
+  foreach(mode IN LISTS VALID_TEST_MODES)
+    list(APPEND error_messages " - ${mode}")
+  endforeach()
+
+  # Convert the list of messages into a single multi-line string
+  list(JOIN error_messages "\n" error_message)
+
+  # Raise fatal error with all messages
+  message(FATAL_ERROR "${error_message}")
+endif()
+
+set(SOC_MODEL_BINARY "chim.bin" CACHE STRING "Path to the simulation binary")
+set(PRELOAD_MODE "0" CACHE STRING "Preload mode for simulation")
+
+if (TEST_MODE STREQUAL "simulation")
+  enable_testing()
+
+  if(NOT EXISTS ${SOC_MODEL_BINARY})
+    message(FATAL_ERROR "SoC model binary ${SOC_MODEL_BINARY} does not exist.")
+  endif()
+
+  # Convert PRELOAD_MODE to integer
+  if ("${PRELOAD_MODE}" MATCHES "^[0-9]+$")
+    set(PRELOAD_MODE_INT ${PRELOAD_MODE})
+  else()
+    message(FATAL_ERROR "PRELOAD_MODE must be an integer.")
+  endif()
+
+  message(STATUS "[CHIMERA-SDK] SoC Model Binary      : ${SOC_MODEL_BINARY}")
+  message(STATUS "[CHIMERA-SDK] Preload Mode          : ${PRELOAD_MODE}")
+endif()
 
 add_subdirectory(tests)

cmake/Utils.cmake

@@ -15,7 +15,9 @@ endmacro()
 ## TODO: Add vsim target or some such
 macro(add_chimera_test name)
   add_chimera_executable(${ARGV})
-  add_test(NAME ${name} COMMAND ${name})
+  if(TEST_MODE STREQUAL "simulation")
+    add_test(NAME ${name} COMMAND ${SIMULATION_BINARY} +BINARY=$<TARGET_FILE:${name}> +PRELMODE=${PRELOAD_MODE_INT})
+  endif()
 endmacro()
 
 macro(add_target_source name)
@@ -34,22 +36,22 @@ endmacro()
 #[=======================================================================[.rst:
 .. cmake:command:: add_chimera_subdirectories(target_platform, category, mappings)
 
-   Add subdirectories based on a mapping of target platforms to folders.
-   The mappings are expected to be in the format ``target_platform:folder1,folder2,...``.
-
-   :param target_platform: The target platform to build for.
-   :param category: The category of the subdirectories.
-   :param mappings: A list of mappings from target platforms to folders. Make sure to wrap the list in quotes!
-   
-   .. code-block:: cmake
-      :caption: Example Usage
-   
-      set(MAPPINGS
-          chimera-convolve:snitch_cluster
-          chimera-open:snitch_cluster
-          chimera-host:
-      )
-      add_chimera_subdirectories(${TARGET_PLATFORM} "Device" "${MAPPINGS}")
+Add subdirectories based on a mapping of target platforms to folders.
+The mappings are expected to be in the format ``target_platform:folder1,folder2,...``.
+
+:param target_platform: The target platform to build for.
+:param category: The category of the subdirectories.
+:param mappings: A list of mappings from target platforms to folders. Make sure to wrap the list in quotes!
+
+.. code-block:: cmake
+:caption: Example Usage
+
+set(MAPPINGS
+  chimera-convolve:snitch_cluster
+  chimera-open:snitch_cluster
+  chimera-host:
+)
+add_chimera_subdirectories(${TARGET_PLATFORM} "Device" "${MAPPINGS}")
 
 #]=======================================================================]
 function(add_chimera_subdirectories target_platform category mappings)