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

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

tool_prefix = m68k-linux-gnu-

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

ASFLAGS = -m68000
CFLAGS = -m68000 -ffreestanding -pedantic -Wall -Os
LDFLAGS = -T amiga.ld -print-gc-sections \
		  -L/usr/lib/gcc-cross/m68k-linux-gnu/6 -lgcc

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

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

$(elf): $(obj)
	$(LD) -o $@ $(obj) -Map link.map $(LDFLAGS)

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

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

.PHONY: run
run:
	fs-uae