fix iar make build with stm32 l0, f2, f3, u5, wb

hw/bsp/stm32f2/boards/stm32f207nucleo/board.mk

@@ -1,12 +1,9 @@
-CFLAGS += \
-  -DSTM32F207xx \
+MCU_VARIANT = stm32f207xx
+CFLAGS += -DSTM32F207xx
 
 # All source paths should be relative to the top level.
 LD_FILE = $(BOARD_PATH)/STM32F207ZGTx_FLASH.ld
 
-SRC_S += \
-  $(ST_CMSIS)/Source/Templates/gcc/startup_stm32f207xx.s
-
 # For flash-jlink target
 JLINK_DEVICE = stm32f207zg
 

hw/bsp/stm32f2/family.mk

@@ -1,5 +1,4 @@
 ST_FAMILY = f2
-
 ST_CMSIS = hw/mcu/st/cmsis_device_$(ST_FAMILY)
 ST_HAL_DRIVER = hw/mcu/st/stm32$(ST_FAMILY)xx_hal_driver
 
@@ -14,11 +13,10 @@ CPU_CORE ?= cortex-m3
 CFLAGS += \
 	-DCFG_TUSB_MCU=OPT_MCU_STM32F2
 
+# mcu driver cause following warnings
 CFLAGS_GCC += \
   -flto \
-
-# mcu driver cause following warnings
-CFLAGS_GCC += -Wno-error=sign-compare
+  -Wno-error=sign-compare
 
 LDFLAGS_GCC += \
   -nostdlib -nostartfiles \
@@ -40,3 +38,10 @@ INC += \
   $(TOP)/$(ST_CMSIS)/Include \
   $(TOP)/$(ST_HAL_DRIVER)/Inc \
   $(TOP)/$(BOARD_PATH)
+
+# Startup
+SRC_S_GCC += $(ST_CMSIS)/Source/Templates/gcc/startup_${MCU_VARIANT}.s
+SRC_S_IAR += $(ST_CMSIS)/Source/Templates/iar/startup_${MCU_VARIANT}.s
+
+# Linker
+LD_FILE_IAR ?= $(ST_CMSIS)/Source/Templates/iar/linker/${MCU_VARIANT}_flash.icf

hw/bsp/stm32f3/boards/stm32f303disco/board.mk

@@ -1,12 +1,10 @@
+MCU_VARIANT = stm32f303xc
 CFLAGS += \
   -DSTM32F303xC \
 
 # All source paths should be relative to the top level.
 LD_FILE = $(BOARD_PATH)/STM32F303VCTx_FLASH.ld
 
-SRC_S += \
-  $(ST_CMSIS)/Source/Templates/gcc/startup_stm32f303xc.s
-
 # For flash-jlink target
 JLINK_DEVICE = stm32f303vc
 

hw/bsp/stm32f3/family.mk

@@ -1,22 +1,17 @@
 ST_FAMILY = f3
-
 ST_CMSIS = hw/mcu/st/cmsis_device_$(ST_FAMILY)
 ST_HAL_DRIVER = hw/mcu/st/stm32$(ST_FAMILY)xx_hal_driver
 
-DEPS_SUBMODULES += \
-	lib/CMSIS_5 \
-	$(ST_CMSIS) \
-	$(ST_HAL_DRIVER)
-
 include $(TOP)/$(BOARD_PATH)/board.mk
 CPU_CORE ?= cortex-m4
 
 CFLAGS += \
-  -flto \
   -DCFG_TUSB_MCU=OPT_MCU_STM32F3
 
 # mcu driver cause following warnings
-CFLAGS += -Wno-error=unused-parameter
+CFLAGS_GCC += \
+  -flto \
+  -Wno-error=unused-parameter
 
 LDFLAGS_GCC += \
   -nostdlib -nostartfiles \
@@ -36,3 +31,10 @@ INC += \
   $(TOP)/$(ST_CMSIS)/Include \
   $(TOP)/$(ST_HAL_DRIVER)/Inc \
   $(TOP)/$(BOARD_PATH)
+
+# Startup
+SRC_S_GCC += $(ST_CMSIS)/Source/Templates/gcc/startup_${MCU_VARIANT}.s
+SRC_S_IAR += $(ST_CMSIS)/Source/Templates/iar/startup_${MCU_VARIANT}.s
+
+# Linker
+LD_FILE_IAR ?= $(ST_CMSIS)/Source/Templates/iar/linker/${MCU_VARIANT}_flash.icf

hw/bsp/stm32l0/boards/stm32l052dap52/board.mk

@@ -1,10 +1,9 @@
+MCU_VARIANT = stm32l052xx
 CFLAGS += \
 	-DSTM32L052xx
 
 LD_FILE = $(BOARD_PATH)/STM32L052K8Ux_FLASH.ld
 
-SRC_S += $(ST_CMSIS)/Source/Templates/gcc/startup_stm32l052xx.s
-
 # For flash-jlink target
 JLINK_DEVICE = stm32l052k8
 

hw/bsp/stm32l0/boards/stm32l0538disco/board.mk

@@ -1,12 +1,10 @@
+MCU_VARIANT = stm32l053xx
 CFLAGS += \
   -DSTM32L053xx
 
 # All source paths should be relative to the top level.
 LD_FILE = $(BOARD_PATH)/STM32L053C8Tx_FLASH.ld
 
-SRC_S += \
-  $(ST_CMSIS)/Source/Templates/gcc/startup_stm32l053xx.s
-
 # For flash-jlink target
 JLINK_DEVICE = STM32L053R8
 

hw/bsp/stm32l0/family.mk

@@ -1,9 +1,4 @@
 ST_FAMILY = l0
-DEPS_SUBMODULES += \
-	lib/CMSIS_5 \
-	hw/mcu/st/cmsis_device_$(ST_FAMILY) \
-	hw/mcu/st/stm32$(ST_FAMILY)xx_hal_driver
-
 ST_CMSIS = hw/mcu/st/cmsis_device_$(ST_FAMILY)
 ST_HAL_DRIVER = hw/mcu/st/stm32$(ST_FAMILY)xx_hal_driver
 
@@ -11,20 +6,17 @@ include $(TOP)/$(BOARD_PATH)/board.mk
 CPU_CORE ?= cortex-m0plus
 
 CFLAGS += \
-  -flto \
   -DCFG_EXAMPLE_MSC_READONLY \
   -DCFG_EXAMPLE_VIDEO_READONLY \
   -DCFG_TUSB_MCU=OPT_MCU_STM32L0
 
 # mcu driver cause following warnings
 CFLAGS_GCC += \
+  -flto \
 	-Wno-error=unused-parameter \
 	-Wno-error=redundant-decls \
 	-Wno-error=cast-align \
-
-ifeq ($(TOOLCHAIN),gcc)
-CFLAGS_GCC += -Wno-error=maybe-uninitialized
-endif
+	-Wno-error=maybe-uninitialized \
 
 CFLAGS_CLANG += \
   -Wno-error=parentheses-equality
@@ -48,3 +40,10 @@ INC += \
   $(TOP)/lib/CMSIS_5/CMSIS/Core/Include \
   $(TOP)/$(ST_CMSIS)/Include \
   $(TOP)/$(ST_HAL_DRIVER)/Inc
+
+# Startup
+SRC_S_GCC += $(ST_CMSIS)/Source/Templates/gcc/startup_${MCU_VARIANT}.s
+SRC_S_IAR += $(ST_CMSIS)/Source/Templates/iar/startup_${MCU_VARIANT}.s
+
+# Linker
+LD_FILE_IAR ?= $(ST_CMSIS)/Source/Templates/iar/linker/$(MCU_VARIANT)_flash.icf