diff --git a/examples/rules.mk b/examples/rules.mk
index 76be50b9c..3254112cf 100644
--- a/examples/rules.mk
+++ b/examples/rules.mk
@@ -139,7 +139,21 @@ $(BUILD)/obj/%_asm.o: %.S
 	@echo AS $(notdir $@)
 	@$(AS) $(ASFLAGS) -c -o $@ $<
 
-ifndef USE_IAR
+ifdef USE_IAR
+# IAR Compiler
+$(BUILD)/$(PROJECT).bin: $(BUILD)/$(PROJECT).elf
+	@echo CREATE $@
+	@$(OBJCOPY) --silent --bin $^ $@
+
+$(BUILD)/$(PROJECT).hex: $(BUILD)/$(PROJECT).elf
+	@echo CREATE $@
+	@$(OBJCOPY) --silent --ihex $^ $@
+
+$(BUILD)/$(PROJECT).elf: $(OBJ)
+	@echo LINK $@
+	@$(LD) -o $@ $(IAR_LDFLAGS) $^
+
+else
 # GCC based compiler
 $(BUILD)/$(PROJECT).bin: $(BUILD)/$(PROJECT).elf
 	@echo CREATE $@
@@ -153,20 +167,6 @@ $(BUILD)/$(PROJECT).elf: $(OBJ)
 	@echo LINK $@
 	@$(LD) -o $@ $(LDFLAGS) $^ -Wl,--start-group $(LIBS) -Wl,--end-group
 
-else
-
-# IAR Compiler
-$(BUILD)/$(PROJECT).bin: $(BUILD)/$(PROJECT).elf
-	@echo CREATE $@
-	@$(OBJCOPY) --silent --bin $^ $@
-
-$(BUILD)/$(PROJECT).hex: $(BUILD)/$(PROJECT).elf
-	@echo CREATE $@
-	@$(OBJCOPY) --silent --ihex $^ $@
-
-$(BUILD)/$(PROJECT).elf: $(OBJ)
-	@echo LINK $@
-	@$(LD) -o $@ $(IAR_LDFLAGS) $^
 endif
 
 # UF2 generation, iMXRT need to strip to text only before conversion
diff --git a/hw/bsp/stm32f0/family.mk b/hw/bsp/stm32f0/family.mk
index a065e9221..1ae2aa5fc 100644
--- a/hw/bsp/stm32f0/family.mk
+++ b/hw/bsp/stm32f0/family.mk
@@ -42,7 +42,9 @@ SRC_C += \
   $(ST_HAL_DRIVER)/Src/stm32$(ST_FAMILY)xx_hal_rcc.c \
   $(ST_HAL_DRIVER)/Src/stm32$(ST_FAMILY)xx_hal_rcc_ex.c \
   $(ST_HAL_DRIVER)/Src/stm32$(ST_FAMILY)xx_hal_gpio.c \
-  $(ST_HAL_DRIVER)/Src/stm32$(ST_FAMILY)xx_hal_uart.c
+  $(ST_HAL_DRIVER)/Src/stm32$(ST_FAMILY)xx_hal_dma.c \
+  $(ST_HAL_DRIVER)/Src/stm32$(ST_FAMILY)xx_hal_uart.c \
+  $(ST_HAL_DRIVER)/Src/stm32$(ST_FAMILY)xx_hal_uart_ex.c
 
 INC += \
 	$(TOP)/$(BOARD_PATH) \
diff --git a/hw/bsp/stm32f4/family.mk b/hw/bsp/stm32f4/family.mk
index e8352bad7..860955729 100644
--- a/hw/bsp/stm32f4/family.mk
+++ b/hw/bsp/stm32f4/family.mk
@@ -42,6 +42,7 @@ SRC_C += \
 	$(ST_HAL_DRIVER)/Src/stm32$(ST_FAMILY)xx_hal_rcc.c \
 	$(ST_HAL_DRIVER)/Src/stm32$(ST_FAMILY)xx_hal_rcc_ex.c \
 	$(ST_HAL_DRIVER)/Src/stm32$(ST_FAMILY)xx_hal_uart.c \
+	$(ST_HAL_DRIVER)/Src/stm32$(ST_FAMILY)xx_hal_dma.c \
 	$(ST_HAL_DRIVER)/Src/stm32$(ST_FAMILY)xx_hal_gpio.c
 
 INC += \
diff --git a/hw/bsp/stm32f7/family.mk b/hw/bsp/stm32f7/family.mk
index 781b8bb18..a54e43780 100644
--- a/hw/bsp/stm32f7/family.mk
+++ b/hw/bsp/stm32f7/family.mk
@@ -52,6 +52,7 @@ SRC_C += \
 	$(ST_CMSIS)/Source/Templates/system_stm32$(ST_FAMILY)xx.c \
 	$(ST_HAL_DRIVER)/Src/stm32$(ST_FAMILY)xx_hal.c \
 	$(ST_HAL_DRIVER)/Src/stm32$(ST_FAMILY)xx_hal_cortex.c \
+	$(ST_HAL_DRIVER)/Src/stm32$(ST_FAMILY)xx_hal_dma.c \
 	$(ST_HAL_DRIVER)/Src/stm32$(ST_FAMILY)xx_hal_rcc.c \
 	$(ST_HAL_DRIVER)/Src/stm32$(ST_FAMILY)xx_hal_rcc_ex.c \
 	$(ST_HAL_DRIVER)/Src/stm32$(ST_FAMILY)xx_hal_gpio.c \
diff --git a/hw/bsp/stm32g4/family.mk b/hw/bsp/stm32g4/family.mk
index 79defac56..ad9babf3f 100644
--- a/hw/bsp/stm32g4/family.mk
+++ b/hw/bsp/stm32g4/family.mk
@@ -43,6 +43,7 @@ SRC_C += \
 	$(ST_HAL_DRIVER)/Src/stm32$(ST_FAMILY)xx_hal_rcc.c \
 	$(ST_HAL_DRIVER)/Src/stm32$(ST_FAMILY)xx_hal_rcc_ex.c \
 	$(ST_HAL_DRIVER)/Src/stm32$(ST_FAMILY)xx_hal_uart.c \
+	$(ST_HAL_DRIVER)/Src/stm32$(ST_FAMILY)xx_hal_uart_ex.c \
 	$(ST_HAL_DRIVER)/Src/stm32$(ST_FAMILY)xx_hal_gpio.c
 
 INC += \
diff --git a/hw/bsp/stm32h7/family.mk b/hw/bsp/stm32h7/family.mk
index 834347b4b..e1b2cd40e 100644
--- a/hw/bsp/stm32h7/family.mk
+++ b/hw/bsp/stm32h7/family.mk
@@ -52,10 +52,13 @@ SRC_C += \
 	$(ST_CMSIS)/Source/Templates/system_stm32$(ST_FAMILY)xx.c \
 	$(ST_HAL_DRIVER)/Src/stm32$(ST_FAMILY)xx_hal.c \
 	$(ST_HAL_DRIVER)/Src/stm32$(ST_FAMILY)xx_hal_cortex.c \
+	$(ST_HAL_DRIVER)/Src/stm32$(ST_FAMILY)xx_hal_dma.c \
 	$(ST_HAL_DRIVER)/Src/stm32$(ST_FAMILY)xx_hal_rcc.c \
 	$(ST_HAL_DRIVER)/Src/stm32$(ST_FAMILY)xx_hal_rcc_ex.c \
 	$(ST_HAL_DRIVER)/Src/stm32$(ST_FAMILY)xx_hal_gpio.c \
 	$(ST_HAL_DRIVER)/Src/stm32$(ST_FAMILY)xx_hal_uart.c \
+	$(ST_HAL_DRIVER)/Src/stm32$(ST_FAMILY)xx_hal_uart_ex.c \
+	$(ST_HAL_DRIVER)/Src/stm32$(ST_FAMILY)xx_hal_pwr.c \
 	$(ST_HAL_DRIVER)/Src/stm32$(ST_FAMILY)xx_hal_pwr_ex.c
 
 INC += \
diff --git a/hw/bsp/stm32l4/family.mk b/hw/bsp/stm32l4/family.mk
index 4fab7dc0d..84aa357e9 100644
--- a/hw/bsp/stm32l4/family.mk
+++ b/hw/bsp/stm32l4/family.mk
@@ -39,12 +39,14 @@ SRC_C += \
 	$(ST_CMSIS)/Source/Templates/system_stm32$(ST_FAMILY)xx.c \
 	$(ST_HAL_DRIVER)/Src/stm32$(ST_FAMILY)xx_hal.c \
 	$(ST_HAL_DRIVER)/Src/stm32$(ST_FAMILY)xx_hal_cortex.c \
+	$(ST_HAL_DRIVER)/Src/stm32$(ST_FAMILY)xx_hal_dma.c \
 	$(ST_HAL_DRIVER)/Src/stm32$(ST_FAMILY)xx_hal_rcc.c \
 	$(ST_HAL_DRIVER)/Src/stm32$(ST_FAMILY)xx_hal_rcc_ex.c \
 	$(ST_HAL_DRIVER)/Src/stm32$(ST_FAMILY)xx_hal_pwr.c \
 	$(ST_HAL_DRIVER)/Src/stm32$(ST_FAMILY)xx_hal_pwr_ex.c \
 	$(ST_HAL_DRIVER)/Src/stm32$(ST_FAMILY)xx_hal_gpio.c \
-	$(ST_HAL_DRIVER)/Src/stm32$(ST_FAMILY)xx_hal_uart.c
+	$(ST_HAL_DRIVER)/Src/stm32$(ST_FAMILY)xx_hal_uart.c \
+	$(ST_HAL_DRIVER)/Src/stm32$(ST_FAMILY)xx_hal_uart_ex.c
 
 INC += \
 	$(TOP)/lib/CMSIS_5/CMSIS/Core/Include \
diff --git a/tools/build_utils.py b/tools/build_utils.py
index 0dbfd3356..a24cea7bb 100644
--- a/tools/build_utils.py
+++ b/tools/build_utils.py
@@ -120,9 +120,8 @@ def build_size(example, board):
         text_title = 'text	   data	    bss	    dec'
         if text_title in l:
             size_list = size_output[i+1].split('\t')
-            break
-
-    flash_size = int(size_list[0])
-    sram_size = int(size_list[1]) + int(size_list[2])
-    return (flash_size, sram_size)
+            flash_size = int(size_list[0])
+            sram_size = int(size_list[1]) + int(size_list[2])
+            return (flash_size, sram_size)
 
+    return (0, 0)
\ No newline at end of file