CMake: Add support for .mot binary file format

The Renesas RX support flashing .mot file for binary image
This commit target to add the .mot file output for build and
flash script

Signed-off-by: Duy Nguyen <[email protected]>

Author: duynguyenxa

CMakeLists.txt

@@ -1849,6 +1849,28 @@ if(CONFIG_BUILD_OUTPUT_BIN AND CONFIG_BUILD_OUTPUT_UF2)
   set(BYPRODUCT_KERNEL_UF2_NAME "${PROJECT_BINARY_DIR}/${KERNEL_UF2_NAME}" CACHE FILEPATH "Kernel uf2 file" FORCE)
 endif()
 
+if(CONFIG_BUILD_OUTPUT_MOT)
+  get_property(elfconvert_formats TARGET bintools PROPERTY elfconvert_formats)
+  if(srec IN_LIST elfconvert_formats)
+    list(APPEND
+      post_build_commands
+      COMMAND $<TARGET_PROPERTY:bintools,elfconvert_command>
+              $<TARGET_PROPERTY:bintools,elfconvert_flag>
+              ${GAP_FILL}
+              $<TARGET_PROPERTY:bintools,elfconvert_flag_outtarget>srec
+              $<TARGET_PROPERTY:bintools,elfconvert_flag_intarget>${OUTPUT_FORMAT}
+              $<TARGET_PROPERTY:bintools,elfconvert_flag_infile>${KERNEL_ELF_NAME}
+              $<TARGET_PROPERTY:bintools,elfconvert_flag_outfile>${KERNEL_MOT_NAME}
+              $<TARGET_PROPERTY:bintools,elfconvert_flag_final>
+      )
+    list(APPEND
+      post_build_byproducts
+      ${KERNEL_MOT_NAME}
+      )
+    set(BYPRODUCT_KERNEL_MOT_NAME "${PROJECT_BINARY_DIR}/${KERNEL_MOT_NAME}" CACHE FILEPATH "Kernel mot file" FORCE)
+  endif()
+endif()
+
 set(KERNEL_META_PATH  ${PROJECT_BINARY_DIR}/${KERNEL_META_NAME} CACHE INTERNAL "")
 if(CONFIG_BUILD_OUTPUT_META)
   list(APPEND

Kconfig.zephyr

@@ -785,6 +785,12 @@ config BUILD_OUTPUT_UF2
 	  Build a UF2 binary zephyr/zephyr.uf2 in the build directory.
 	  The name of this file can be customized with CONFIG_KERNEL_BIN_NAME.
 
+config BUILD_OUTPUT_MOT
+	bool "Build a binary in MOT format"
+	help
+	  Build a MOT binary zephyr/zephyr.mot in the build directory.
+	  The name of this file can be customized with CONFIG_KERNEL_BIN_NAME.
+
 if BUILD_OUTPUT_UF2
 
 config BUILD_OUTPUT_UF2_FAMILY_ID

cmake/bintools/gnu/target_bintools.cmake

@@ -27,8 +27,8 @@
 set_property(TARGET bintools PROPERTY elfconvert_command ${CMAKE_OBJCOPY})
 
 # List of format the tool supports for converting, for example,
-# GNU tools uses objectcopy, which supports the following: ihex, srec, binary
-set_property(TARGET bintools PROPERTY elfconvert_formats ihex srec binary)
+# GNU tools uses objectcopy, which supports the following: ihex, srec, binary, mot
+set_property(TARGET bintools PROPERTY elfconvert_formats ihex srec binary mot)
 
 set_property(TARGET bintools PROPERTY elfconvert_flag "")
 set_property(TARGET bintools PROPERTY elfconvert_flag_final "")

cmake/flash/CMakeLists.txt

@@ -60,6 +60,10 @@ function(runners_yaml_append_config)
     get_runners_prop(uf2_file uf2 "${KERNEL_UF2_NAME}")
     runners_yaml_append("  uf2_file: ${uf2}")
   endif()
+  if(CONFIG_BUILD_OUTPUT_MOT)
+    get_runners_prop(mot_file mot "${KERNEL_MOT_NAME}")
+    runners_yaml_append("  mot_file: ${mot}")
+  endif()
 
   zephyr_get(OPENOCD)
   zephyr_get(OPENOCD_DEFAULT_PATH)

cmake/modules/kernel.cmake

@@ -78,6 +78,7 @@ add_custom_target(code_data_relocation_target)
 # bin_file         "zephyr.bin" file for flashing
 # hex_file         "zephyr.hex" file for flashing
 # elf_file         "zephyr.elf" file for flashing or debugging
+# mot_file         "zephyr.mot" file for flashing
 # yaml_contents    generated contents of runners.yaml
 #
 # Note: there are quotes around "zephyr.bin" etc. because the actual
@@ -170,6 +171,7 @@ set(KERNEL_EXE_NAME   ${KERNEL_NAME}.exe)
 set(KERNEL_STAT_NAME  ${KERNEL_NAME}.stat)
 set(KERNEL_STRIP_NAME ${KERNEL_NAME}.strip)
 set(KERNEL_META_NAME  ${KERNEL_NAME}.meta)
+set(KERNEL_MOT_NAME  ${KERNEL_NAME}.mot)
 set(KERNEL_SYMBOLS_NAME    ${KERNEL_NAME}.symbols)
 
 # Enable dynamic library support when required by LLEXT.