Makefile.stm32f1

PLATFORM ?= bluepill
LOADER ?= noloader

OBJS := src/dirtyjtag.$(PLATFORM).o src/jtag.$(PLATFORM).o src/usb.$(PLATFORM).o src/delay.$(PLATFORM).o src/cmd.$(PLATFORM).o

PREFIX ?= arm-none-eabi
DEFS += -DSTM32F1
ARCH_FLAGS := -mthumb -mcpu=cortex-m3 -msoft-float -mfix-cortex-m3-ldrd
LD_SCRIPT := ld/stm32f1-$(LOADER).ld

UCMX_DIR := $(realpath unicore-mx)
UCMX_INCLUDE_DIR := $(UCMX_DIR)/include
UCMX_LIB_DIR := $(UCMX_DIR)/lib

CFLAGS = -g -O2 -std=c99
CFLAGS += -Wall -Wextra -Werror
CFLAGS += -fno-common -ffunction-sections -fdata-sections
CFLAGS += -std=gnu11
CFLAGS += -DPLATFORM='HW_$(PLATFORM)' $(DEFS)

CPPFLAGS = -MD -g
CPPFLAGS += -Wall -Wundef
CPPFLAGS += -I$(UCMX_INCLUDE_DIR) $(DEFS)

LDFLAGS	+= --static -nostartfiles
LDFLAGS += -L"$(UCMX_LIB_DIR)"
LDFLAGS	+= -T$(LD_SCRIPT)
LDFLAGS	+= -Wl,-Map=$(*).map
LDFLAGS	+= -Wl,--gc-sections # Remove deadcode

LDLIBS	+= -lucmx_stm32f1
LDLIBS	+= -Wl,--start-group -lc -lgcc -lnosys -Wl,--end-group

CC := $(PREFIX)-gcc
LD := $(PREFIX)-ld
AR := $(PREFIX)-ar
AS := $(PREFIX)-as
SIZE := $(PREFIX)-size
OBJCOPY := $(PREFIX)-objcopy

all: src/dirtyjtag.$(PLATFORM).$(LOADER).elf src/dirtyjtag.$(PLATFORM).$(LOADER).bin

clean:
	$(Q)$(RM) src/*.d src/*.o src/*.map src/*.bin src/*.elf *.bin *.elf

%.bin: %.elf
	$(Q)$(OBJCOPY) -Obinary $(*).elf $(*).bin

%.$(LOADER).elf %.$(LOADER).map: $(OBJS) $(LD_SCRIPT)
	$(Q)$(CC) $(LDFLAGS) $(ARCH_FLAGS) $(OBJS) $(LDLIBS) -o $(*).$(LOADER).elf
	$(Q)$(SIZE) $(*).$(LOADER).elf

%.$(PLATFORM).o: %.c $(UCMX_LIB_DIR)/libucmx_stm32f1.a
	$(Q)$(CC) $(CFLAGS) $(CPPFLAGS) $(ARCH_FLAGS) -o $@ -c $<

.PHONY: all clean