# Hey Emacs, this is a -*- makefile -*-

CFLAGS += -I$(MC1322X)/src

ISR ?= $(MC1322X)/src/isr.o
SRC_OBJS += $(MC1322X)/src/default_lowlevel.o $(ISR)

# Two libraries, one with ROM variable space reserved, one without
START_ROMVARS ?= $(MC1322X)/src/start-romvars.o
SRCLIB_ROMVARS = $(MC1322X)/src/src-romvars.a
$(SRCLIB_ROMVARS): $(SRC_OBJS) $(START_ROMVARS)
	$(call pretty,AR,$@)
	@rm -f $@
	$Q$(AR) $(ARFLAGS) $@ $^

START ?= $(MC1322X)/src/start.o
SRCLIB = $(MC1322X)/src/src.a
$(SRCLIB): $(SRC_OBJS) $(START)
	$(call pretty,AR,$@)
	@rm -f $@
	$Q$(AR) $(ARFLAGS) $@ $^

# ISR is built without thumb
$(ISR): $(ISR:.o=.c)
	$(call pretty,CC (isr),$@)
	$Q$(CC) $(CFLAGS) -MMD -c -o $@ $<
	@$(FINALIZE_DEPENDENCY)

# start-romvars.o is built from start.S with the right flags
$(MC1322X)/src/start-romvars.o: $(MC1322X)/src/start.S
	$(call pretty,CC (romvars),$@)
	$Q$(CC) $(AFLAGS) -MMD -DUSE_ROM_VARS -c -o $@ $<
	@$(FINALIZE_DEPENDENCY)

ifneq ($(MAKECMDGOALS),clean)
-include $(wildcard $(MC1322X)/src/*.d)
endif

clean::
	rm -f $(MC1322X)/src/*.{o,d,a}