################################################################################

# These are variables for the GBA toolchain build

# You can add others if you wish to

################################################################################



# The name of your desired GBA game

# This should be a just a name i.e MyFirstGBAGame

# No SPACES AFTER THE NAME.

PROGNAME = hw8



# The object files you want to compile into your program

# This should be a space (SPACE!) separated list of .o files

OFILES = hw8.o myLib.o



# The header files you have created.

# This is necessary to determine when to recompile for files.

# This should be a space (SPACE!) separated list of .h files

HFILES = myLib.h



# The flags to run the vba program with

# for a list of options run /usr/local/cs2110-tools/bin/vbam

# Most notable ones are -f0 -f1 -f13 -f15

# -f0  : Stretch 1x

# -f1  : Stretch 2x

# -f13 : Stretch 3x

# -f15 : Stretch 4x

VBAOPT	 = -f1



################################################################################

# These are various settings used to make the GBA toolchain work

# DO NOT EDIT BELOW.

################################################################################



TOOLDIR  = /usr/local/cs2110-tools

CFLAGS   = -Wall -Werror -std=c99 -pedantic -O2

CFLAGS  += -mthumb-interwork -mlong-calls -nostartfiles

LDFLAGS = -L $(TOOLDIR)/lib \

		  -L $(TOOLDIR)/lib/gcc/arm-thumb-eabi/4.4.1/thumb \

		  -L $(TOOLDIR)/arm-thumb-eabi/lib \

		  --script $(TOOLDIR)/arm-thumb-eabi/lib/arm-gba.ld

CC      = $(TOOLDIR)/bin/arm-thumb-eabi-gcc

AS      = $(TOOLDIR)/bin/arm-thumb-eabi-as

LD      = $(TOOLDIR)/bin/arm-thumb-eabi-ld

OBJCOPY = $(TOOLDIR)/bin/arm-thumb-eabi-objcopy

GDB     = $(TOOLDIR)/bin/arm-thumb-eabi-gdb

GBADEPS = gbadeps

CFILES  = $(OFILES:.o=.c)



################################################################################

# These are the targets for the GBA build system

################################################################################



all: $(GBADEPS) $(PROGNAME).gba



$(PROGNAME).gba: $(PROGNAME).elf

	@echo "[LINK] Creating $(PROGNAME).gba"

	@$(OBJCOPY) -O binary $(PROGNAME).elf $(PROGNAME).gba



$(PROGNAME).elf: crt0.o $(OFILES)

	@echo "[LINK] Linking files together to create $(PROGNAME).elf"

	@$(LD) $(LDFLAGS) -o $(PROGNAME).elf $^ -lgcc -lc -lgcc



crt0.o: $(TOOLDIR)/arm-thumb-eabi/lib/crt0.s

	@$(AS) -mthumb-interwork $^ -o crt0.o



%.o: %.c

	@echo "[COMPILE] Compiling $<"

	@$(CC) $(CFLAGS) -c $< -o $@



clean:

	@echo "Removing all .o .elf and .gba files"

	@rm -f *.o *.elf *.gba $(GBADEPS)



vba: $(PROGNAME).gba

	@echo "[RUN] Running Visual Boy Advance"

	@$(TOOLDIR)/bin/vbam $(VBAOPT) $(PROGNAME).gba > /dev/null



rebuild: clean $(PROGNAME).gba



rebuildvba: clean vba



$(GBADEPS): $(CFILES) $(HFILES)

	@$(CC) $(CFLAGS) -MM $(CFILES) > $(GBADEPS)



-include $(GBADEPS)