TARGET := retroarch_3ds
LIBRETRO =

DEBUG                   = 0
GRIFFIN_BUILD           = 1
WHOLE_ARCHIVE_LINK      = 0
BUILD_3DSX              = 1
BUILD_3DS               = 1
BUILD_CIA               = 1
LIBCTRU_NO_DEPRECATION  = 1

APP_TITLE            = Retroarch 3DS
APP_DESCRIPTION      = Retroarch 3DS
APP_AUTHOR           = Team Libretro
APP_PRODUCT_CODE     = RETROARCH-3DS
APP_UNIQUE_ID        = 0xBAC00
APP_ICON             = ctr/assets/default.png
APP_BANNER           = ctr/assets/libretro_banner.png
APP_AUDIO            = ctr/assets/silent.wav
APP_RSF              = ctr/tools/template.rsf
APP_SYSTEM_MODE      = 64MB
APP_SYSTEM_MODE_EXT  = 124MB
APP_BIG_TEXT_SECTION = 0
APP_USE_SVCHAX       = 0

include ctr/Makefile.cores

OBJ :=
OBJ += gfx/drivers/ctr_shaders/ctr_sprite.o
OBJ += ctr/ctr_system.o
OBJ += ctr/ctr_memory.o
OBJ += ctr/ctr_linear.o
OBJ += ctr/gpu_old.o

ifeq ($(APP_BIG_TEXT_SECTION), 1)
	APP_USE_SVCHAX = 1
	LDFLAGS  += -Wl,--defsym,__ctr_patch_services=__service_ptr
endif

ifeq ($(APP_USE_SVCHAX), 1)
	OBJ += ctr/ctr_svchax.o
endif

DEFINES :=
ifeq ($(GRIFFIN_BUILD), 1)
	OBJ += griffin/griffin.o
	DEFINES += -DHAVE_GRIFFIN=1 -DHAVE_MENU -DHAVE_RGUI -DHAVE_XMB -DHAVE_MATERIALUI -DHAVE_LIBRETRODB -DHAVE_CC_RESAMPLER
	DEFINES += -DHAVE_ZLIB -DHAVE_RPNG -DHAVE_RJPEG -DHAVE_RBMP -DHAVE_RTGA -DWANT_ZLIB
else
	HAVE_CC_RESAMPLER = 1
	HAVE_MENU_COMMON = 1
	HAVE_RTGA = 1
	HAVE_RPNG = 1
	HAVE_RJPEG = 1
	HAVE_RBMP = 1
	HAVE_RGUI = 1
	HAVE_ZLIB = 1
	HAVE_7ZIP = 1
	HAVE_BUILTINZLIB = 1
	HAVE_LIBRETRODB = 1
	HAVE_ZARCH = 0
	HAVE_MATERIALUI = 1
	HAVE_XMB = 1

	include Makefile.common
	BLACKLIST :=
	BLACKLIST += input/input_overlay.o
	BLACKLIST += tasks/task_overlay.o
	OBJ := $(filter-out $(BLACKLIST),$(OBJ))

	OBJ += gfx/drivers/ctr_gfx.o
	OBJ += gfx/drivers_font/ctr_font.o
	OBJ += menu/drivers_display/menu_display_ctr.o
	OBJ += input/drivers/ctr_input.o
	OBJ += input/drivers_joypad/ctr_joypad.o
	OBJ += audio/drivers/ctr_csnd_audio.o
	OBJ += audio/drivers/ctr_dsp_audio.o
	OBJ += frontend/drivers/platform_ctr.o
	OBJ += gfx/video_filters/2xsai.o
	OBJ += gfx/video_filters/super2xsai.o
	OBJ += gfx/video_filters/supereagle.o
	OBJ += gfx/video_filters/2xbr.o
	OBJ += gfx/video_filters/darken.o
	OBJ += gfx/video_filters/epx.o
	OBJ += gfx/video_filters/scale2x.o
	OBJ += gfx/video_filters/blargg_ntsc_snes.o
	OBJ += gfx/video_filters/lq2x.o
	OBJ += gfx/video_filters/phosphor2x.o
	OBJ += audio/audio_filters/echo.o
	OBJ += audio/audio_filters/eq.o
	OBJ += audio/audio_filters/chorus.o
	OBJ += audio/audio_filters/iir.o
	OBJ += audio/audio_filters/panning.o
	OBJ += audio/audio_filters/phaser.o
	OBJ += audio/audio_filters/reverb.o
	OBJ += audio/audio_filters/wahwah.o
endif


ifeq ($(strip $(DEVKITPRO)),)
$(error "Please set DEVKITPRO in your environment. export DEVKITPRO=<path to>devkitpro")
endif

ifeq ($(strip $(CTRULIB)),)
	CTRULIB = $(DEVKITPRO)/libctru
endif

APP_TITLE         := $(shell echo "$(APP_TITLE)" | cut -c1-128)
APP_DESCRIPTION   := $(shell echo "$(APP_DESCRIPTION)" | cut -c1-256)
APP_AUTHOR        := $(shell echo "$(APP_AUTHOR)" | cut -c1-128)
APP_PRODUCT_CODE  := $(shell echo $(APP_PRODUCT_CODE) | cut -c1-16)
APP_UNIQUE_ID     := $(shell echo $(APP_UNIQUE_ID) | cut -c1-7)

MAKEROM_ARGS_COMMON = -rsf $(APP_RSF) -exefslogo -elf $(TARGET).elf -icon $(TARGET).icn -banner $(TARGET).bnr -DAPP_TITLE="$(APP_TITLE)" -DAPP_PRODUCT_CODE="$(APP_PRODUCT_CODE)" -DAPP_UNIQUE_ID=$(APP_UNIQUE_ID) -DAPP_SYSTEM_MODE=$(APP_SYSTEM_MODE) -DAPP_SYSTEM_MODE_EXT=$(APP_SYSTEM_MODE_EXT)

INCDIRS := -I$(CTRULIB)/include
LIBDIRS := -L. -L$(CTRULIB)/lib


ARCH     := -march=armv6k -mtune=mpcore -mfloat-abi=hard -marm -mfpu=vfp -mtp=soft

CFLAGS	+=	-mword-relocations \
			-fomit-frame-pointer -ffast-math \
         -Werror=implicit-function-declaration \
			$(ARCH)

#CFLAGS	+= -Wall
CFLAGS	+=	-DARM11 -D_3DS

ifeq ($(DEBUG), 1)
   CFLAGS	+= -O0 -g
else
   CFLAGS	+= -O3
endif

ifeq ($(LIBCTRU_NO_DEPRECATION), 1)
   CFLAGS	+= -DLIBCTRU_NO_DEPRECATION
endif

ifeq ($(WHOLE_ARCHIVE_LINK), 1)
   WHOLE_START := -Wl,--whole-archive
   WHOLE_END := -Wl,--no-whole-archive
endif

CFLAGS += -I. -Ideps/zlib -Ideps/7zip -Ilibretro-common/include

CFLAGS += -DRARCH_INTERNAL -DRARCH_CONSOLE -DSINC_LOWEST_QUALITY
CFLAGS += -DHAVE_FILTERS_BUILTIN $(DEFINES)

CXXFLAGS	:= $(CFLAGS) -fno-rtti -fno-exceptions -std=gnu++11

ASFLAGS	:=	-g $(ARCH) -O3
LDFLAGS  +=	-specs=ctr/3dsx_custom.specs -g $(ARCH) -Wl,-Map,$(notdir $*.map)

CFLAGS   += -std=gnu99 -ffast-math


LIBS	:= $(WHOLE_START) -lretro_ctr $(WHOLE_END) -lctru -lm


ifeq ($(BUILD_3DSX), 1)
TARGET_3DSX := $(TARGET).3dsx $(TARGET).smdh
endif

ifeq ($(BUILD_3DS), 1)
TARGET_3DS := $(TARGET).3ds
endif

ifeq ($(BUILD_CIA), 1)
TARGET_CIA := $(TARGET).cia
endif

.PHONY: $(BUILD) clean all

all: $(TARGET)

$(TARGET): $(TARGET_3DSX) $(TARGET_3DS) $(TARGET_CIA) $(TARGET).core
$(TARGET).3dsx: $(TARGET).elf
$(TARGET).elf: $(OBJ) libretro_ctr.a

PREFIX		:=	$(DEVKITPRO)/devkitARM/bin/arm-none-eabi-

CC      := $(PREFIX)gcc
CXX     := $(PREFIX)g++
AS      := $(PREFIX)as
AR      := $(PREFIX)ar
OBJCOPY := $(PREFIX)objcopy
STRIP   := $(PREFIX)strip
NM      := $(PREFIX)nm
LD      := $(CXX)

ifneq ($(findstring Linux,$(shell uname -a)),)
	MAKEROM    = ctr/tools/makerom-linux
	BANNERTOOL = ctr/tools/bannertool-linux
else ifneq ($(findstring Darwin,$(shell uname -a)),)
	MAKEROM    = ctr/tools/makerom-mac
	BANNERTOOL = ctr/tools/bannertool-mac
else
	MAKEROM    = ctr/tools/makerom.exe
	BANNERTOOL = ctr/tools/bannertool.exe
endif

%.o: %.vsh %.gsh
	$(DEVKITPRO)/devkitARM/bin/picasso $^ -o $*.shbin
	$(DEVKITPRO)/devkitARM/bin/bin2s $*.shbin | $(PREFIX)as -o $@
	rm $*.shbin

%.o: %.vsh
	$(DEVKITPRO)/devkitARM/bin/picasso $^ -o $*.shbin
	$(DEVKITPRO)/devkitARM/bin/bin2s $*.shbin | $(PREFIX)as -o $@
	rm $*.shbin

%.o: %.cpp
	$(CXX) -c -o $@ $< $(CXXFLAGS) $(INCDIRS)

%.o: %.c
	$(CC) -c -o $@ $< $(CFLAGS) $(INCDIRS)

%.o: %.s
	$(CC) -c -o $@ $< $(ASFLAGS)

%.o: %.S
	$(CC) -c -o $@ $< $(ASFLAGS)

%.a:
	$(AR) -rc $@ $^

%.vsh:

$(TARGET).smdh: $(APP_ICON)
	smdhtool --create "$(APP_TITLE)" "$(APP_DESCRIPTION)" "$(APP_AUTHOR)" $(APP_ICON) $@

$(TARGET).3dsx: $(TARGET).elf
ifeq ($(APP_BIG_TEXT_SECTION), 1)
	cp ctr/big_text_section.xml $(TARGET).xml
else
	rm -f $(TARGET).xml
endif
	-3dsxtool $< $@ $(_3DSXFLAGS)

$(TARGET).elf: ctr/3dsx_custom_crt0.o
	$(LD) $(LDFLAGS) $(OBJ) $(LIBDIRS) $(LIBS) -o $@
	$(NM) -CSn $@ > $(notdir $*.lst)

$(TARGET).bnr: $(APP_BANNER) $(APP_AUDIO)
	$(BANNERTOOL) makebanner -i "$(APP_BANNER)" -a "$(APP_AUDIO)" -o $@

$(TARGET).icn: $(APP_ICON)
	$(BANNERTOOL) makesmdh -s "$(APP_TITLE)" -l "$(APP_TITLE)" -p "$(APP_AUTHOR)" -i $(APP_ICON) -o $@

$(TARGET).3ds: $(TARGET).elf $(TARGET).bnr $(TARGET).icn $(APP_RSF)
	$(MAKEROM) -f cci -o $@ $(MAKEROM_ARGS_COMMON) -DAPP_ENCRYPTED=true

$(TARGET).cia: $(TARGET).elf $(TARGET).bnr $(TARGET).icn $(APP_RSF)
	$(MAKEROM) -f cia -o $@ $(MAKEROM_ARGS_COMMON) -DAPP_ENCRYPTED=false

$(TARGET).core: $(TARGET).elf
	echo $(APP_UNIQUE_ID) > $(TARGET).core


clean:
	rm -f $(OBJ)
	rm -f $(TARGET).3dsx
	rm -f $(TARGET).elf
	rm -f $(TARGET).3ds
	rm -f $(TARGET).cia
	rm -f $(TARGET).core
	rm -f $(TARGET).smdh
	rm -f $(TARGET).bnr
	rm -f $(TARGET).icn
	rm -f ctr/ctr_config_*.o
	rm -f ctr/3dsx_custom_crt0.o

.PHONY: clean