PREFIX?=arm-elf-eabi-
AS=$(PREFIX)gcc
ASFLAGS=-nostdlib -ffreestanding -mcpu=arm926ej-s
OC=$(PREFIX)objcopy
TARGETS=fuzeplus zenxfi2 zenxfi3 zen nwz zenxfistyle
OPT_fuzeplus=-DSANSA_FUZEPLUS
OPT_zenxfi2=-DCREATIVE_ZENXFI2
OPT_zenxfi3=-DCREATIVE_ZENXFI3
OPT_zen=-DCREATIVE_ZEN
OPT_nwz=-DSONY_NWZ
OPT_zenxfistyle=-DCREATIVE_ZENXFISTYLE

BOOTBINS=$(patsubst %, patch_%.bin, $(TARGETS))
BOOTELF=$(patsubst %, patch_%.elf, $(TARGETS))

all: $(BOOTBINS)

patch_%.bin: patch_%.elf
	$(OC) -O binary $^ $@

patch_%.elf: patch.S
	$(AS) $(ASFLAGS) $(OPT_$(@:patch_%.elf=%)) -o $@ $<

clean:
	rm -rf $(BOOTBINS) $(BOOTELF)