o Adding a generic binutils part for creating the info files (.nm, disassembly, size, hex and bin files.)

o Adding initial support for STM32F103xx chips. Can easily be expanded to all at least the F1 series.

1 files changed, 81 insertions, 0 deletions

diff --git a/stm32f103/index.cmake b/stm32f103/index.cmake
new file mode 100644
index 0000000..c840aa5
--- /dev/null
+++ b/stm32f103/index.cmake
@@ -0,0 +1,81 @@
+set(CMAKE_C_STANDARD "11")
+set(CMAKE_CXX_STANDARD "14")
+
+set(MCU_INIT_SOURCES "")
+list(APPEND MCU_INIT_SOURCES "${MCU_BASEDIR}/stm32f103/src/init_low.s")
+list(APPEND MCU_INIT_SOURCES "${MCU_BASEDIR}/stm32f103/src/init_high.cpp")
+list(APPEND MCU_INIT_SOURCES "${MCU_BASEDIR}/stm32f103/src/default_handler.cpp")
+list(APPEND MCU_INIT_SOURCES "${MCU_BASEDIR}/stm32f103/include/mcu/init.h")
+set(MCU_INIT_INCLUDES "")
+list(APPEND MCU_INIT_INCLUDES "${MCU_BASEDIR}/stm32f103/include")
+
+function(mcu_add_executable)
+
+    set(options)
+    set(oneValueArgs TARGET LINKER_SCRIPT)
+    set(multiValueArgs)
+    cmake_parse_arguments(ARGS "${options}" "${oneValueArgs}" "${multiValueArgs}" ${ARGN})
+
+    if (NOT ARGS_TARGET)
+        message(FATAL_ERROR "MCU: Missing required argument: TARGET")
+    endif ()
+
+    if (MCU_CHIP MATCHES "stm32f103.4" OR MCU_CHIP MATCHES "stm32f103.6")
+        set(size_define STM32F10X_SM)
+    elseif (MCU_CHIP MATCHES "stm32f103.8" OR MCU_CHIP MATCHES "stm32f103.b")
+        set(size_define STM32F10X_MD)
+    elseif (MCU_CHIP MATCHES "stm32f103.c" OR MCU_CHIP MATCHES "stm32f103.d" OR MCU_CHIP MATCHES "stm32f103.e")
+        set(size_define STM32F10X_LD)
+    else ()
+        message(FATAL_ERROR "Unknown STM32 version: ${MCU_CHIP}")
+    endif ()
+
+    target_compile_definitions(${ARGS_TARGET} PUBLIC ${size_define})
+
+    # Compile and linker options
+
+    set(o_level "$<TARGET_PROPERTY:O_LEVEL>")
+    target_compile_options(${ARGS_TARGET} PUBLIC
+            "$<$<BOOL:${o_level}>:-O${o_level}>$<$<NOT:$<BOOL:${o_level}>>:-O3>")
+    unset(o_level)
+
+    target_compile_options(${ARGS_TARGET} PUBLIC
+            -mcpu=cortex-m3
+            -mthumb
+            -g
+            )
+
+    target_link_libraries(${ARGS_TARGET} PUBLIC
+            -mcpu=cortex-m3
+            -mthumb
+            -nostdlib
+            -nostartfiles
+            -Wl,--gc-sections
+            )
+
+    # Linker script
+
+    if (ARGS_LINKER_SCRIPT)
+        if (NOT IS_ABSOLUTE "${ARGS_LINKER_SCRIPT}")
+            set(ARGS_LINKER_SCRIPT "${CMAKE_CURRENT_SOURCE_DIR}/${ARGS_LINKER_SCRIPT}")
+        endif ()
+        set_target_properties(${ARGS_TARGET} PROPERTIES MCU_LINKER_SCRIPT "${ARGS_LINKER_SCRIPT}")
+    endif ()
+
+    stm32_configure_linker_script(${ARGS_TARGET})
+
+endfunction()
+
+function(stm32_configure_linker_script T)
+    get_target_property(MCU_LINKER_SCRIPT ${T} MCU_LINKER_SCRIPT)
+
+    if (NOT MCU_LINKER_SCRIPT)
+        set(ld "${MCU_BASEDIR}/stm32f103/stm32f103.ld")
+        message("MCU: Using built-in linker script: ${ld}")
+
+        set_target_properties(${T} PROPERTIES MCU_LINKER_SCRIPT ${ld})
+    endif ()
+
+    target_link_libraries(${T} PUBLIC
+            "-T\"$<TARGET_PROPERTY:MCU_LINKER_SCRIPT>\"")
+endfunction()