clang g0, g4

hw/bsp/stm32g0/FreeRTOSConfig/FreeRTOSConfig.h

@@ -49,7 +49,7 @@
 
 /* Cortex M23/M33 port configuration. */
 #define configENABLE_MPU                        0
-#define configENABLE_FPU                        1
+#define configENABLE_FPU                        0
 #define configENABLE_TRUSTZONE                  0
 #define configMINIMAL_SECURE_STACK_SIZE         (1024)
 

hw/bsp/stm32g0/boards/stm32g0b1nucleo/STM32G0B1RETx_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 */
-/* Generate a link error if heap and stack don't fit into RAM */
-_Min_Heap_Size = 0x200;      /* required amount of heap  */
-_Min_Stack_Size = 0x400; /* required amount of stack */
-
 /* Specify the memory areas */
 MEMORY
 {
@@ -65,6 +59,13 @@ RAM (xrw)      : ORIGIN = 0x20000000, LENGTH = 144K
 FLASH (rx)      : ORIGIN = 0x8000000, LENGTH = 512K
 }
 
+/* Highest address of the user mode stack */
+_estack = ORIGIN(RAM) + LENGTH(RAM);    /* end of RAM */
+
+/* Generate a link error if heap and stack don't fit into RAM */
+_Min_Heap_Size = 0x200;      /* required amount of heap  */
+_Min_Stack_Size = 0x400; /* required amount of stack */
+
 /* Define output sections */
 SECTIONS
 {

hw/bsp/stm32g0/family.c

@@ -179,7 +179,6 @@ void SysTick_Handler(void) {
 uint32_t board_millis(void) {
   return system_ticks;
 }
-
 #endif
 
 void HardFault_Handler(void) {

hw/bsp/stm32g0/family.cmake

@@ -1,9 +1,5 @@
 include_guard()
 
-if (NOT BOARD)
-  message(FATAL_ERROR "BOARD not specified")
-endif ()
-
 set(ST_FAMILY g0)
 set(ST_PREFIX stm32${ST_FAMILY}xx)
 
@@ -26,10 +22,16 @@ set(FAMILY_MCUS STM32G0 CACHE INTERNAL "")
 #------------------------------------
 # only need to be built ONCE for all examples
 function(add_board_target BOARD_TARGET)
-  if (NOT TARGET ${BOARD_TARGET})
+  if (TARGET ${BOARD_TARGET})
+    return()
+  endif ()
+
   # 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
@@ -52,10 +54,8 @@ function(add_board_target BOARD_TARGET)
     ${ST_CMSIS}/Include
     ${ST_HAL_DRIVER}/Inc
     )
-    target_compile_options(${BOARD_TARGET} PUBLIC
+#    target_compile_options(${BOARD_TARGET} PUBLIC)
-      )
+#    target_compile_definitions(${BOARD_TARGET} PUBLIC)
-    target_compile_definitions(${BOARD_TARGET} PUBLIC
-      )
 
   update_board(${BOARD_TARGET})
 
@@ -63,16 +63,17 @@ 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(${BOARD_TARGET} PUBLIC
       "LINKER:--config=${LD_FILE_IAR}"
       )
   endif ()
-  endif ()
 endfunction()
 
 
@@ -112,5 +113,5 @@ function(family_configure_example TARGET RTOS)
 
   # Flashing
   family_flash_stlink(${TARGET})
-  #family_flash_jlink(${TARGET})
+  family_flash_jlink(${TARGET})
 endfunction()

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}"