Makefile

SDK_PREFIX?=arm-none-eabi-
CC = $(SDK_PREFIX)gcc
LD = $(SDK_PREFIX)ld
SIZE = $(SDK_PREFIX)size
OBJCOPY = $(SDK_PREFIX)objcopy
QEMU = ~/opt/xpack-qemu-arm-2.8.0-12/bin/qemu-system-gnuarmeclipse
BOARD ?= STM32F4-Discovery
MCU=STM32F407VG
TARGET=firmware
CPU_CC=cortex-m4
TCP_ADDR=1234
deps = \
       start.S    \
       lscript.ld

all: target

target:
	$(CC) -x assembler-with-cpp -c -O0 -g3 -mcpu=$(CPU_CC) -Wall start.S -o start.o
	$(CC) -x assembler-with-cpp -c -O0 -g3 -mcpu=$(CPU_CC) -Wall lab1.S -o lab1.o
	$(CC) start.o lab1.o -mcpu=$(CPU_CC) -Wall --specs=nosys.specs -nostdlib -lgcc -T./lscript.ld -o $(TARGET).elf
	$(OBJCOPY) -O binary -F elf32-littlearm  $(TARGET).elf  $(TARGET).bin

qemu:
	$(QEMU)  --verbose --verbose --board $(BOARD) --mcu $(MCU) -d unimp,guest_errors --image $(TARGET).bin --semihosting-config enable=on,target=native -gdb tcp::$(TCP_ADDR)  -S

clean:
	-rm *.o
	-rm *.elf
	-rm *.bin

flash:
	st-flash write $(TARGET).bin 0x08000000