From 7f964c5fc1eae683aa161a59be6565ba03eb10a3 Mon Sep 17 00:00:00 2001 From: Marti Bolivar Date: Sun, 5 Aug 2012 14:39:34 -0400 Subject: Makefile: Don't assume Cortex M3. Instead, derive -march and -mcpu from the target MCU in target-config.mk. Also (on STM32F4) add the necessary floating point flags. The CodeSourcery toolchains don't support these, so we'll need to prepare alternative toolchains when F4 support is official. Signed-off-by: Marti Bolivar --- support/make/target-config.mk | 12 +++++++++++- 1 file changed, 11 insertions(+), 1 deletion(-) (limited to 'support') diff --git a/support/make/target-config.mk b/support/make/target-config.mk index b79c720..0e3a2c2 100644 --- a/support/make/target-config.mk +++ b/support/make/target-config.mk @@ -32,11 +32,21 @@ ifeq ($(MCU_SERIES), stm32f1) LD_SERIES_PATH := $(LD_SERIES_PATH)/$(MCU_F1_LINE) endif +ifeq ($(MCU_SERIES), stm32f1) +TARGET_FLAGS += -mcpu=cortex-m3 -march=armv7-m +endif +ifeq ($(MCU_SERIES), stm32f2) +TARGET_FLAGS += -mcpu=cortex-m3 -march=armv7-m +endif +ifeq ($(MCU_SERIES), stm32f4) +TARGET_FLAGS += -mcpu=cortex-m4 -march=armv7e-m -mfloat-abi=hard -mfpu=fpv4-sp-d16 +endif + TARGET_LDFLAGS += -Xlinker -T$(LD_SCRIPT_PATH) \ -L $(LD_SERIES_PATH) \ -L $(LD_MEM_PATH) \ -L $(LDDIR) -TARGET_FLAGS += -DBOARD_$(BOARD) -DMCU_$(MCU) \ +TARGET_FLAGS += -mthumb -DBOARD_$(BOARD) -DMCU_$(MCU) \ -DERROR_LED_PORT=$(ERROR_LED_PORT) \ -DERROR_LED_PIN=$(ERROR_LED_PIN) \ -D$(VECT_BASE_ADDR) -- cgit v1.2.3