ulp: use cmake function to embed ulp binaries

2019-02-04 15:07:02 +08:00
parent e1a3dc50de
commit 4483724df8
3 changed files with 85 additions and 64 deletions
@@ -0,0 +1,67 @@
+# ulp_embed_binary
+#
+# Create ULP binary and embed into the application.
+function(ulp_embed_binary app_name s_sources exp_dep_srcs)
+    if(NOT CMAKE_BUILD_EARLY_EXPANSION)
+        spaces2list(s_sources)
+        foreach(source ${s_sources})
+            get_filename_component(source ${source} ABSOLUTE BASE_DIR ${CMAKE_CURRENT_LIST_DIR})
+            list(APPEND sources ${source})
+        endforeach()
+
+        foreach(source ${sources})
+            get_filename_component(ps_source ${source} NAME_WE)
+            set(ps_output ${CMAKE_CURRENT_BINARY_DIR}/${app_name}/${ps_source}.ulp.S)
+            list(APPEND ps_sources ${ps_output})
+        endforeach()
+
+        set(ulp_artifacts_prefix ${CMAKE_CURRENT_BINARY_DIR}/${app_name}/${app_name})
+
+        set(ulp_artifacts ${ulp_artifacts_prefix}.bin
+                            ${ulp_artifacts_prefix}.ld
+                            ${ulp_artifacts_prefix}.h)
+
+        set(ulp_artifacts_extras ${ulp_artifacts_prefix}.map
+                            ${ulp_artifacts_prefix}.sym
+                            ${CMAKE_CURRENT_BINARY_DIR}/${app_name}/esp32.ulp.ld)
+
+        # Replace the separator for the list of ULP source files that will be passed to
+        # the external ULP project. This is a workaround to the bug https://public.kitware.com/Bug/view.php?id=16137.
+        string(REPLACE ";" "|" ulp_s_sources "${ulp_s_sources}")
+
+        idf_build_get_property(sdkconfig_header SDKCONFIG_HEADER)
+        idf_build_get_property(idf_path IDF_PATH)
+        idf_build_get_property(python PYTHON)
+        externalproject_add(${app_name}
+            SOURCE_DIR ${idf_path}/components/ulp/cmake
+            BINARY_DIR ${CMAKE_CURRENT_BINARY_DIR}/${app_name}
+            INSTALL_COMMAND ""
+            CMAKE_ARGS  -DCMAKE_GENERATOR=${CMAKE_GENERATOR}
+                        -DCMAKE_TOOLCHAIN_FILE=${idf_path}/components/ulp/cmake/toolchain-ulp.cmake
+                        -DULP_S_SOURCES=${sources} -DULP_APP_NAME=${app_name}
+                        -DCOMPONENT_DIR=${COMPONENT_DIR}
+                        # Even though this resolves to a ';' separated list, this is fine. This must be special behavior
+                        # for generator expressions.
+                        -DCOMPONENT_INCLUDES=$<TARGET_PROPERTY:${COMPONENT_TARGET},INTERFACE_INCLUDE_DIRECTORIES>
+                        -DIDF_PATH=${idf_path}
+                        -DSDKCONFIG=${SDKCONFIG_HEADER}
+            BUILD_COMMAND ${CMAKE_COMMAND} --build ${CMAKE_CURRENT_BINARY_DIR}/${app_name} --target build
+            BUILD_BYPRODUCTS ${ulp_artifacts} ${ulp_artifacts_extras} ${ulp_ps_sources}
+                            ${CMAKE_CURRENT_BINARY_DIR}/${app_name}/${app_name}
+            BUILD_ALWAYS 1
+            LIST_SEPARATOR |
+            )
+
+        spaces2list(exp_dep_srcs)
+        set_source_files_properties(${exp_dep_srcs} PROPERTIES OBJECT_DEPENDS ${ulp_artifacts})
+
+        include_directories(${CMAKE_CURRENT_BINARY_DIR}/${app_name})
+
+        add_custom_target(${app_name}_artifacts DEPENDS ${app_name})
+
+        add_dependencies(${COMPONENT_LIB} ${app_name}_artifacts)
+
+        target_linker_script(${COMPONENT_LIB} ${CMAKE_CURRENT_BINARY_DIR}/${app_name}/${app_name}.ld)
+        target_add_binary_data(${COMPONENT_LIB} ${CMAKE_CURRENT_BINARY_DIR}/${app_name}/${app_name}.bin BINARY)
+    endif()
+endfunction()