CC	  = arm-elf-gcc
AS	  = arm-elf-as
LD	  = arm-elf-ld
OBJCOPY = arm-elf-objcopy

OBJDIR = obj

INCLUDE = -I../include

INCLUDES = ../include/proxmark3.h ../include/at91sam7s128.h ../include/config_gpio.h ../include/usb_cmd.h

CFLAGS  = -g -c $(INCLUDE) -Wall

OBJJTAG = $(OBJDIR)/bootrom.o $(OBJDIR)/ram-reset.o $(OBJDIR)/usb.o

OBJFLASH = $(OBJDIR)/flash-reset.o $(OBJDIR)/fromflash.o

all: bootrom.s19 bootrom-forjtag-swapped.s19

bootrom-merged.s19: bootrom.s19 bootrom-forjtag.s19
	perl ../tools/merge-srec.pl bootrom.s19 bootrom-forjtag.s19 > bootrom-merged.s19

bootrom-forjtag-swapped.s19: bootrom-merged.s19
	perl ../tools/srecswap.pl bootrom-forjtag.s19 > bootrom-forjtag-swapped.s19

bootrom.s19: $(OBJFLASH)
	@echo bootrom.s19
	$(LD) -g -Tldscript-flash --oformat elf32-littlearm -o $(OBJDIR)/bootrom.elf $(OBJFLASH)
	$(OBJCOPY) -Osrec --srec-forceS3 $(OBJDIR)/bootrom.elf bootrom.s19

bootrom-forjtag.s19: $(OBJJTAG)
	@echo bootrom-forjtag.s19
	$(LD) -g -Tldscript-ram-jtag --oformat elf32-littlearm -o $(OBJDIR)/bootrom-forjtag.elf $(OBJJTAG)
	$(OBJCOPY) -Osrec --srec-forceS3 $(OBJDIR)/bootrom-forjtag.elf bootrom-forjtag.s19

$(OBJDIR)/bootrom.o: bootrom.c $(INCLUDES)
	@echo $@
	$(CC) $(CFLAGS) -mthumb -mthumb-interwork $< -o $@

$(OBJDIR)/fromflash.o: fromflash.c $(INCLUDES)
	@echo $@
	$(CC) $(CFLAGS) -mthumb -mthumb-interwork $< -o $@

$(OBJDIR)/usb.o: ../common/usb.c $(INCLUDES)
	@echo $@
	$(CC) $(CFLAGS) -mthumb -mthumb-interwork $< -o $@

$(OBJDIR)/ram-reset.o: ram-reset.s
	@echo $@
	$(CC) $(CFLAGS) -mthumb-interwork -o $@ $<

$(OBJDIR)/flash-reset.o: flash-reset.s
	@echo $@
	$(CC) $(CFLAGS) -mthumb-interwork -o $@ $<

# Those do not work in this Firmware distribution!
flash: bootrom-merged.s19
	../linux/flasher bootrom bootrom-merged.s19

jtag-flash: bootrom-merged.s19
	../../OpenOCD/openocd -c "halt; flash write_image bootrom-merged.s19 0x00100000; halt; reset; resume; poll; exit"

clean:
	rm -f $(OBJDIR)/*.o $(OBJDIR)/*.elf *.s19