port clang stm32: f1, f2, f3

hw/bsp/stm32f1/family.cmake

@@ -1,9 +1,5 @@
 include_guard()
 
-if (NOT BOARD)
-  message(FATAL_ERROR "BOARD not specified")
-endif ()
-
 set(ST_FAMILY f1)
 set(ST_PREFIX stm32${ST_FAMILY}xx)
 
@@ -29,8 +25,14 @@ function(add_board_target BOARD_TARGET)
   if (NOT TARGET ${BOARD_TARGET})
     # Startup & Linker script
     set(STARTUP_FILE_GNU ${ST_CMSIS}/Source/Templates/gcc/startup_${MCU_VARIANT}.s)
+    set(STARTUP_FILE_Clang ${STARTUP_FILE_GNU})
     set(STARTUP_FILE_IAR ${ST_CMSIS}/Source/Templates/iar/startup_${MCU_VARIANT}.s)
 
+    set(LD_FILE_Clang ${LD_FILE_GNU})
+    if (NOT DEFINED LD_FILE_IAR)
+      set(LD_FILE_IAR ${ST_CMSIS}/Source/Templates/iar/linker/${MCU_VARIANT}_flash.icf)
+    endif ()
+
     add_library(${BOARD_TARGET} STATIC
       ${ST_CMSIS}/Source/Templates/system_${ST_PREFIX}.c
       ${ST_HAL_DRIVER}/Src/${ST_PREFIX}_hal.c
@@ -47,10 +49,8 @@ function(add_board_target BOARD_TARGET)
       ${ST_CMSIS}/Include
       ${ST_HAL_DRIVER}/Inc
       )
-    target_compile_options(${BOARD_TARGET} PUBLIC
-      )
-    target_compile_definitions(${BOARD_TARGET} PUBLIC
-      )
+    #target_compile_options(${BOARD_TARGET} PUBLIC)
+    #target_compile_definitions(${BOARD_TARGET} PUBLIC)
 
     update_board(${BOARD_TARGET})
 
@@ -58,9 +58,11 @@ function(add_board_target BOARD_TARGET)
       target_link_options(${BOARD_TARGET} PUBLIC
         "LINKER:--script=${LD_FILE_GNU}"
         -nostartfiles
-        # nanolib
-        --specs=nosys.specs
-        --specs=nano.specs
+        --specs=nosys.specs --specs=nano.specs
+        )
+    elseif (CMAKE_C_COMPILER_ID STREQUAL "Clang")
+      target_link_options(${BOARD_TARGET} PUBLIC
+        "LINKER:--script=${LD_FILE_Clang}"
         )
     elseif (CMAKE_C_COMPILER_ID STREQUAL "IAR")
       target_link_options(${BOARD_TARGET} PUBLIC
@@ -106,5 +108,5 @@ function(family_configure_example TARGET RTOS)
 
   # Flashing
   family_flash_stlink(${TARGET})
-  #family_flash_jlink(${TARGET})
+  family_flash_jlink(${TARGET})
 endfunction()