# -*- makefile -*-

CROSS_COMPILE := arm-linux-

LINKERSCRIPT := $(MC1322X)/mc1322x.lds
LIBMC1322X := $(MC1322X)/libmc1322x

include $(MC1322X)/config.mk

include $(MC1322X)/board/Makefile.board

include $(MC1322X)/libmc1322x/Makefile.lib


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

# 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 
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 $@ $<

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

%_$(BOARD).elf:	$(START) $(ISR) $(SRCOBJS) $(OBJDIR)/%.o $(BOARDOBJS) $(LINKERSCRIPT) $(LIBMC1322X)/libmc1322x.a
	$(CC) $(LDFLAGS) $(AOBJS) \
	$(filter %.o %.a,$+) -o $@

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

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

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

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

%.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) \
		\( -name 'core' -o -name '*.bak' -o -name '*~' \
		-o -name '*.o'  -o -name '*.a' -o -name '*.obj' -o -name '*.elf'  -o -name '*.s' -o -name '*.map' \
                -o -name 'obj_*_board' -o -name '.depend' -o -name '*.bin' -o -name '*.dis' -o -name '*.d' \) -print \
		| xargs rm -rf
	rm -fr *.*~	
	find \
		\( -name 'core' -o -name '*.bak' -o -name '*~' \
		-o -name '*.o'  -o -name '*.a' -o -name '*.obj' -o -name '*.elf'  -o -name '*.s' -o -name '*.map' \
                -o -name 'obj_*_board' -o -name '.depend' -o -name '*.bin' -o -name '*.dis' -o -name '*.d' \) -print \
		| xargs rm -rf
	rm -fr *.*~	

clobber \
mrproper \
distclean:	clean

#.DEFAULT_GOAL := all

ifndef BOARD
.DEFAULT_GOAL := allboards
else	
.DEFAULT_GOAL := all
endif	

all: $(OBJDIR)/board.h 
	for target in $(TARGETS); do make $$target\_$(BOARD).bin; done

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