Makefile

# Makefile to rebuild SM64 split image

################ Target Executable and Sources ###############

# BUILD_DIR is location where all build artifacts are placed
BUILD_DIR = build

##################### Compiler Options #######################
CROSS = mips64-elf-
AS = $(CROSS)as
CC = $(CROSS)gcc
LD = $(CROSS)ld
OBJDUMP = $(CROSS)objdump
OBJCOPY = $(CROSS)objcopy

ASFLAGS = -mtune=vr4300 -march=vr4300
CFLAGS  = -Wall -O2 -mtune=vr4300 -march=vr4300 -G 0 -c
LDFLAGS = -T $(LD_SCRIPT) -Map $(BUILD_DIR)/sm64.map

####################### Other Tools #########################

# N64 tools
TOOLS_DIR = ../tools
MIO0TOOL = $(TOOLS_DIR)/mio0
N64CKSUM = $(TOOLS_DIR)/n64cksum
N64GRAPHICS = $(TOOLS_DIR)/n64graphics
EMULATOR = mupen64plus
EMU_FLAGS = --noosd
LOADER = loader64
LOADER_FLAGS = -vwf

FixPath = $(subst /,\,$1)

######################## Targets #############################

default: all

# file dependencies generated by splitter
MAKEFILE_SPLIT = Makefile.split
include $(MAKEFILE_SPLIT)

all: $(TARGET).z64

clean:
	del /Q $(call FixPath,$(BUILD_DIR)/$(TARGET).elf $(BUILD_DIR)/$(TARGET).o $(BUILD_DIR)/$(TARGET).bin $(BUILD_DIR)/$(TARGET).map $(TARGET).z64)

$(MIO0_DIR)/%.mio0: $(MIO0_DIR)/%.bin
	$(MIO0TOOL) $< $@

$(BUILD_DIR):
	mkdir $(BUILD_DIR)

$(BUILD_DIR)/$(TARGET).o: $(TARGET).s Makefile $(MAKEFILE_SPLIT) $(MIO0_FILES) $(LEVEL_FILES) $(MUSIC_FILES) | $(BUILD_DIR)
	$(AS) $(ASFLAGS) -o $@ $<

$(BUILD_DIR)/%.o: %.c Makefile.as | $(BUILD_DIR)
	$(CC) $(CFLAGS) -o $@ $<

$(BUILD_DIR)/$(TARGET).elf: $(BUILD_DIR)/$(TARGET).o $(LD_SCRIPT)
	$(LD) $(LDFLAGS) -o $@ $< $(LIBS)

$(BUILD_DIR)/$(TARGET).bin: $(BUILD_DIR)/$(TARGET).elf
	$(OBJCOPY) $< $@ -O binary

# final z64 updates checksum
$(TARGET).z64: $(BUILD_DIR)/$(TARGET).bin
	$(N64CKSUM) $< $@

$(BUILD_DIR)/$(TARGET).hex: $(TARGET).z64
	xxd $< > $@

$(BUILD_DIR)/$(TARGET).objdump: $(BUILD_DIR)/$(TARGET).elf
	$(OBJDUMP) -D $< > $@

test: $(TARGET).z64
	$(EMULATOR) $(EMU_FLAGS) $<

load: $(TARGET).z64
	$(LOADER) $(LOADER_FLAGS) $<

.PHONY: all clean default diff test