initial

_cmake/sdcc-toolchain.cmake

@@ -0,0 +1,28 @@
+# the name of the target operating system
+SET(CMAKE_SYSTEM_NAME Generic)
+
+set(CMAKE_C_FLAGS_INIT "-mstm8 --std-sdcc11 --code-loc 0x8000") # -s
+set(CMAKE_EXE_LINKER_FLAGS_INIT "")
+
+# which compilers to use for C and ASM 
+SET(CMAKE_C_COMPILER /usr/bin/sdcc)
+SET(CMAKE_ASM_COMPILER /usr/bin/sdasstm8)
+
+find_program (SDCC NAMES sdcc)
+get_filename_component(SDCC_BIN_DIR ${SDCC} DIRECTORY)
+get_filename_component(SDCC_PATH_DIR ${SDCC_BIN_DIR} DIRECTORY)
+
+# here is the target environment is located
+SET(CMAKE_FIND_ROOT_PATH  ${SDCC_PATH_DIR}/usr/share/sdcc)
+
+# adjust the default behaviour of the FIND_XXX() commands:
+# search headers and libraries in the target environment, search
+# programs in the host environment
+set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
+set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
+set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
+
+# TODO This is not being recognised
+set(CMAKE_ASM_OUTPUT_EXTENSION ".rel")
+
+set(CMAKE_ASM_COMPILE_OBJECT "${CMAKE_ASM_COMPILER} -o <OBJECT> <SOURCE>")

_cmake/sdcc.cmake

@@ -0,0 +1,29 @@
+find_program(STM8FLASH stm8flash
+	DOC "stm8flash binary location"
+)
+
+set(STM8FLASH_PROGRAMMER
+	"stlinkv2" CACHE STRING
+	"Choice of stlink, stlinkv2 or espstlink, when not specified in target properties")
+
+function(add_upload_to_target target)
+	get_target_property(FAMILY ${target} FAMILY)
+
+	if (FAMILY STREQUAL "stm8")
+		if (STM8FLASH STREQUAL "STM8FLASH-NOTFOUND")
+			message(SEND_ERROR "stm8flash is not found")
+		endif()
+
+		get_target_property(STM8_PART ${target} PART)
+		get_target_property(PROGRAMMER ${target} PROGRAMMER)
+		if(PROGRAMMER STREQUAL "PROGRAMMER-NOTFOUND")
+			set(PROGRAMMER ${STM8FLASH_PROGRAMMER})
+		endif()
+
+		add_custom_target(${target}-upload
+			COMMAND ${STM8FLASH} -c ${PROGRAMMER} -p ${STM8_PART} -w ${target}.ihx
+			DEPENDS ${target}
+			COMMENT "Uploading ${target}"
+		)
+	endif()
+endfunction(add_upload_to_target)