clang g0, g4

hw/bsp/stm32g4/boards/stm32g474nucleo/STM32G474RETx_FLASH.ld

@@ -52,12 +52,6 @@
 /* Entry Point */
 ENTRY(Reset_Handler)
 
-/* Highest address of the user mode stack */
-_estack = ORIGIN(RAM) + LENGTH(RAM);	/* end of "RAM" Ram type memory */
-
-_Min_Heap_Size = 0x1000 ;	/* required amount of heap  */
-_Min_Stack_Size = 0x1000 ;	/* required amount of stack */
-
 /* Memories definition */
 MEMORY
 {
@@ -65,6 +59,12 @@ MEMORY
   FLASH    (rx)    : ORIGIN = 0x8000000,   LENGTH = 512K
 }
 
+/* Highest address of the user mode stack */
+_estack = ORIGIN(RAM) + LENGTH(RAM);	/* end of "RAM" Ram type memory */
+
+_Min_Heap_Size = 0x1000 ;	/* required amount of heap  */
+_Min_Stack_Size = 0x1000 ;	/* required amount of stack */
+
 /* Sections */
 SECTIONS
 {

hw/bsp/stm32g4/family.c

@@ -209,7 +209,6 @@ void SysTick_Handler(void) {
 uint32_t board_millis(void) {
   return system_ticks;
 }
-
 #endif
 
 void HardFault_Handler(void) {

hw/bsp/stm32g4/family.cmake

@@ -1,9 +1,5 @@
 include_guard()
 
-if (NOT BOARD)
-  message(FATAL_ERROR "BOARD not specified")
-endif ()
-
 set(ST_FAMILY g4)
 set(ST_PREFIX stm32${ST_FAMILY}xx)
 
@@ -32,7 +28,10 @@ function(add_board_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})
   set(LD_FILE_IAR ${ST_CMSIS}/Source/Templates/iar/linker/${MCU_VARIANT}_flash.icf)
 
   add_library(${BOARD_TARGET} STATIC
@@ -59,9 +58,12 @@ function(add_board_target BOARD_TARGET)
     target_link_options(${BOARD_TARGET} PUBLIC
       "LINKER:--script=${LD_FILE_GNU}"
       -nostartfiles
-      # nanolib
       --specs=nosys.specs --specs=nano.specs
       )
+  elseif (CMAKE_C_COMPILER_ID STREQUAL "Clang")
+    target_link_options(${BOARD_TARGET} PUBLIC
+      "LINKER:--script=${LD_FILE_Clang}"
+      )
   elseif (CMAKE_C_COMPILER_ID STREQUAL "IAR")
     target_link_options(${BOARD_TARGET} PUBLIC
       "LINKER:--config=${LD_FILE_IAR}"