# -*- makefile -*-

ifndef BOARD
default: allboards
else
default: all
endif
.PHONY: default

CROSS_COMPILE := arm-linux-

LINKERSCRIPT := $(MC1322X)/mc1322x.lds
LIBMC1322X := $(MC1322X)/lib

include $(MC1322X)/config.mk

include $(MC1322X)/board/Makefile.board

include $(LIBMC1322X)/Makefile.lib

CFLAGS += -I$(MC1322X)/src -I.

ifdef TARGET_ROM_VARS
	START = $(MC1322X)/src/start-romvars.o		
endif

# default start and isr
ifndef START
	START = $(MC1322X)/src/start.o	
endif
ifndef ISR
	ISR = $(MC1322X)/src/isr.o
endif
SRCOBJS += $(MC1322X)/src/default_lowlevel.o $(ISR) $(START)
BOARDOBJS := $(addprefix $(OBJDIR)/,$(COBJS))

ARCH  = arm
CPU   = arm7tdmi-s
export	ARCH CPU VENDOR

.SECONDARY:

### See http://make.paulandlesley.org/autodep.html#advanced
ifdef BOARD
-include ${addprefix $(OBJDIR)/,$(addsuffix .d,$(TARGETS))}
endif

define FINALIZE_DEPENDENCY
cp $(@:.o=.d) $(@:.o=.$$$$); \
sed -e 's/#.*//' -e 's/^[^:]*: *//' -e 's/ *\\$$//' \
    -e '/^$$/ d' -e 's/$$/ :/' < $(@:.o=.$$$$) >> $(@:.o=.d); \
rm -f $(@:.o=.$$$$)
endef

$(START): $(START:.o=.s)
	$(CC) $(AFLAGS) -c -o $@ $<
$(MC1322X)/src/start-romvars.s:	$(MC1322X)/src/start.S
	$(CPP) $(AFLAGS) -DUSE_INTS -DUSE_ROM_VECTS -DUSE_ROM_VARS -o $@ $<
$(MC1322X)/src/start-romvects.s: $(MC1322X)/src/start.S
	$(CPP) $(AFLAGS) -DUSE_INTS -DUSE_ROM_VECTS -o $@ $<

$(ISR): $(ISR:.o=.c)
	$(CC) $(CFLAGS) $(ARM_FLAGS) -MMD $< -c -o $@
	@$(FINALIZE_DEPENDENCY)


ifdef COBJS
BOARDARCS := $(OBJDIR)/board.a(${filter $(OBJDIR)/%.o,$(BOARDOBJS)})
endif
empty-board-a:
	$(AR) $(ARFLAGS) $(OBJDIR)/board.a
.PHONY: empty-board-a

$(OBJDIR)/board.a: empty-board-a $(BOARDARCS) $(BOARDOBJS)
$(MC1322X)/src/src.a: $(MC1322X)/src/src.a($(SRCOBJS))

%_$(BOARD).elf:	$(OBJDIR)/%.o $(START) $(ISR) $(SRCOBJS) $(LINKERSCRIPT) $(LIBMC1322X)/libmc1322x.a $(OBJDIR)/board.a $(MC1322X)/src/src.a
	$(CC) $(LDFLAGS)  \
	-L $(LIBMC1322X) -L $(MC1322X)/src -L $(OBJDIR) $< -o $@ $(START) $(MC1322X)/src/src.a --start-group $(OBJDIR)/board.a $(LIBMC1322X)/libmc1322x.a -lm --end-group

%.srec:		%.elf
		$(OBJCOPY) ${OBJCFLAGS} -O srec $< $@

%.ihex: 	%.elf
		$(OBJCOPY) ${OBJCFLAGS} -O ihex $< $@

%.bin:		%.elf
		$(OBJCOPY) ${OBJCFLAGS} -O binary $< $@

%.dis:		%.elf
		$(OBJDUMP) -SD $< > $@

%.s: %.S
	$(CPP) $(AFLAGS) -o $@ $<
%.o: %.S
	$(CC) $(AFLAGS) -MMD -c -o $@ $<
	@$(FINALIZE_DEPENDENCY)
%.o:	%.c
	$(CC) $(CFLAGS) $(THUMB_FLAGS) -MMD -c -o $@ $<
	@$(FINALIZE_DEPENDENCY)

$(OBJDIR)/%.s:	%.S
	$(CPP) $(AFLAGS) -o $@ $<
$(OBJDIR)/%.o:	%.S
	$(CC) $(AFLAGS) -MMD -c -o $@ $<
	@$(FINALIZE_DEPENDENCY)
$(OBJDIR)/%.o:	%.c
	$(CC) $(CFLAGS) $(THUMB_FLAGS) -MMD -c -o $@ $<
	@$(FINALIZE_DEPENDENCY)

clean:
	find $(MC1322X) \
		\( -name 'core' -o -name '*.bak' -o -name '*~' \
		-o -name '*.o'  -o -name '*.a' -o -name '*.obj' -o -name '*.elf'  -o -name '*.s' -o -name '*.map' \
                -o -name 'obj_*_board' -o -name '.depend' -o -name '*.bin' -o -name '*.dis' -o -name '*.d' -o -name '*.srec' \) -print \
		| xargs rm -rf
	rm -fr *.*~	
	find \
		\( -name 'core' -o -name '*.bak' -o -name '*~' \
		-o -name '*.o'  -o -name '*.a' -o -name '*.obj' -o -name '*.elf'  -o -name '*.s' -o -name '*.map' \
                -o -name 'obj_*_board' -o -name '.depend' -o -name '*.bin' -o -name '*.dis' -o -name '*.d' -o -name '*.srec' \) -print \
		| xargs rm -rf
	rm -fr *.*~	
	make -C $(MC1322X)/tools/ftditools/ clean
clobber \
mrproper \
distclean:	clean

.PHONY: clean clobber mrproper distclean 

all: $(OBJDIR)/board.h 
	-git submodule update
	for target in $(TARGETS); do make $$target\_$(BOARD).bin; done
	for target in $(TARGETS_WITH_ROM_VARS);   do make TARGET_ROM_VARS=1 $$target\_$(BOARD).bin; done

allboards:
	for board in $(BOARDS); do make BOARD=$$board all; done

.PHONY: all allboards