Makefile.amiga

src = $(wildcard src/*.c) \
	  $(wildcard src/amiga/*.c) \
	  $(wildcard src/amiga/libc/*.c)
asrc = $(wildcard src/*.s) \
	   $(wildcard src/amiga/*.s) \
	   $(wildcard src/amiga/libc/*.s)
obj = $(src:.c=.o) $(asrc:.s=.o) 
dep = $(src:.c=.d)

data = data/titlescreen.bpl data/titlescreen.pal

name = lugburz
elf = $(name).elf
bin = $(name).bin
adf = $(name).adf
bootblock = boot.bin

tool_prefix = m68k-elf-

CC = $(tool_prefix)gcc
AS = $(tool_prefix)as
LD = $(tool_prefix)gcc
OBJCOPY = $(tool_prefix)objcopy

inc = -Isrc -Isrc/amiga -Isrc/amiga/libc

ASFLAGS = -m68000 $(inc)
CFLAGS = -m68000 -ffreestanding -nostdinc -fno-builtin -pedantic -Wall -Os $(inc)
LDFLAGS = -m68000 -T amiga.ld -Wl,-print-gc-sections -Wl,-Map,link.map -ffreestanding \
		  -nostdlib -lgcc

$(adf): $(bin) $(bootblock)
	tools/mk_adf.py $(bootblock) $(bin) $@

$(bin): $(elf)
	$(OBJCOPY) -O binary $< $@

$(elf): $(obj)
	$(LD) -o $@ $(obj) $(LDFLAGS)

$(bootblock): src/amiga/boot/boot.o
	$(OBJCOPY) -O binary $< $@

src/amiga/data.o: src/amiga/data.s $(data)

-include $(dep)

%.d: %.c
	@$(CPP) $(CFLAGS) $< -MM -MT $(@:.d=.o) >$@

.PHONY: clean
clean:
	rm -f $(obj) src/amiga/boot/boot.o $(bin) $(elf)

.PHONY: cleandep
cleandep:
	rm -f $(dep)

.PHONY: run
run:
	fs-uae

disasm: $(elf)
	$(tool_prefix)objdump -d $< >$@

tools/png2bpl/png2bpl: tools/png2bpl/main.c
	$(MAKE) -C tools/png2bpl

# datafiles rules
%.bpl: %.png tools/png2bpl/png2bpl
	tools/png2bpl/png2bpl $< >$@

%.pal: %.png tools/png2bpl/png2bpl
	tools/png2bpl/png2bpl -c $< >$@