# Makefile for PCSX ReARMed (libretro)

# default stuff goes here, so that config can override
CFLAGS += -Wall -ggdb -Iinclude -ffast-math
ifndef DEBUG
CFLAGS += -O2 -DNDEBUG
endif
CXXFLAGS += $(CFLAGS)
#DRC_DBG = 1
#PCNT = 1

all: target_ plugins_

ifeq ($(platform),)
platform = unix
ifeq ($(shell uname -a),)
   platform = win
else ifneq ($(findstring MINGW,$(shell uname -a)),)
   platform = win
else ifneq ($(findstring Darwin,$(shell uname -a)),)
   platform = osx
else ifneq ($(findstring win,$(shell uname -a)),)
   platform = win
endif
endif

CC ?= gcc
CXX ?= g++
AS ?= as
CC_AS ?= $(CC)

ifeq ($(platform), unix)
   TARGET := snes9x_next_libretro.so
   fpic := -fPIC
   SHARED := -shared -Wl,--version-script=libretro/link.T
else ifeq ($(platform), osx)
   TARGET := snes9x_next_libretro.dylib
   fpic := -fPIC
   SHARED := -dynamiclib
else ifeq ($(platform), ios)
ARCH := arm
   TARGET := snes9x_next_libretro.dylib
   fpic := -fPIC
   SHARED := -dynamiclib

CC = clang -arch armv7 -isysroot $(IOSSDK)
CXX = clang++ -arch armv7 -isysroot $(IOSSDK)
CC_AS = perl ./tools/gas-preprocessor.pl $(CC)
CFLAGS += -mcpu=cortex-a8 -mtune=cortex-a8 -mfpu=neon
ASFLAGS += -mcpu=cortex-a8 -mtune=cortex-a8 -mfpu=neon
   HAVE_NEON = 1
   CFLAGS += -DIOS
else ifeq ($(platform), ps3)
   TARGET := snes9x_next_libretro_ps3.a
   CC = $(CELL_SDK)/host-win32/ppu/bin/ppu-lv2-gcc.exe
   AR = $(CELL_SDK)/host-win32/ppu/bin/ppu-lv2-ar.exe
   CFLAGS += -DBLARGG_BIG_ENDIAN=1 -D__ppc__
else ifeq ($(platform), sncps3)
   TARGET := snes9x_next_libretro_ps3.a
   CC = $(CELL_SDK)/host-win32/sn/bin/ps3ppusnc.exe
   AR = $(CELL_SDK)/host-win32/sn/bin/ps3snarl.exe
   CFLAGS += -DBLARGG_BIG_ENDIAN=1 -D__ppc__
else ifeq ($(platform), psl1ght)
   TARGET := snes9x_next_libretro_psl1ght.a
   CC = $(PS3DEV)/ppu/bin/ppu-gcc$(EXE_EXT)
   AR = $(PS3DEV)/ppu/bin/ppu-ar$(EXE_EXT)
   CFLAGS += -DBLARGG_BIG_ENDIAN=1 -D__ppc__
else ifeq ($(platform), psp1)
	TARGET := snes9x_next_libretro_psp1.a
	CC = psp-gcc$(EXE_EXT)
	AR = psp-ar$(EXE_EXT)
	CFLAGS += -DPSP -G0
else ifeq ($(platform), xenon)
   TARGET := snes9x_next_libretro_xenon360.a
   CC = xenon-gcc$(EXE_EXT)
   AR = xenon-ar$(EXE_EXT)
   CFLAGS += -D__LIBXENON__ -m32 -D__ppc__
else ifeq ($(platform), ngc)
   TARGET := snes9x_next_libretro_ngc.a
   CC = $(DEVKITPPC)/bin/powerpc-eabi-gcc$(EXE_EXT)
   AR = $(DEVKITPPC)/bin/powerpc-eabi-ar$(EXE_EXT)
   CFLAGS += -DGEKKO -DHW_DOL -mrvl -mcpu=750 -meabi -mhard-float -DBLARGG_BIG_ENDIAN=1 -D__ppc__
else ifeq ($(platform), wii)
   TARGET := snes9x_next_libretro_wii.a
   CC = $(DEVKITPPC)/bin/powerpc-eabi-gcc$(EXE_EXT)
   AR = $(DEVKITPPC)/bin/powerpc-eabi-ar$(EXE_EXT)
   CFLAGS += -DGEKKO -DHW_RVL -mrvl -mcpu=750 -meabi -mhard-float -DBLARGG_BIG_ENDIAN=1 -D__ppc__
else ifeq ($(platform), qnx)
   TARGET := libretro_pcsx_rearmed_qnx.so
   HAVE_NEON = 1
   USE_DYNAREC = 1
   DRC_CACHE_BASE = 0
   BUILTIN_GPU = neon
   ARCH = arm
   CFLAGS += -DBASE_ADDR_FIXED=0 -D__BLACKBERRY_QNX__ -marm -mcpu=cortex-a8 -mtune=cortex-a8 -mfpu=neon -mfloat-abi=softfp
   ASFLAGS +=  -mcpu=cortex-a8 -mfpu=neon -mfloat-abi=softfp
else
   TARGET := snes9x_next_retro.dll
   CC = gcc
   fpic := -fPIC
   LD_FLAGS := -fPIC
   SHARED := -shared -static-libgcc -static-libstdc++ -s -Wl,--version-script=libretro/link.T
   CFLAGS += -D__WIN32__ -D__WIN32_LIBRETRO__
endif

CFLAGS +=  -fPIC
ASFLAGS += 
LDFLAGS += 

ifneq ($(platform),qnx)
   LDLIBS += -lpthread
   MAIN_LDLIBS += -ldl
endif
MAIN_LDFLAGS +=  -shared
MAIN_LDLIBS += -lm -lz
PLUGIN_CFLAGS +=  -fPIC

TARGET ?= libretro.so
PLATFORM = libretro
BUILTIN_GPU ?= peops
SOUND_DRIVERS = libretro
#PLUGINS = plugins/dfxvideo/gpu_peops.so plugins/gpu_unai/gpu_unai.so

CC_LINK = $(CC)
LDFLAGS += $(MAIN_LDFLAGS)
LDLIBS += $(MAIN_LDLIBS)
ifdef PCNT
CFLAGS += -DPCNT
endif

# core
OBJS += libpcsxcore/cdriso.o libpcsxcore/cdrom.o libpcsxcore/cheat.o libpcsxcore/debug.o \
	libpcsxcore/decode_xa.o libpcsxcore/disr3000a.o libpcsxcore/mdec.o \
	libpcsxcore/misc.o libpcsxcore/plugins.o libpcsxcore/ppf.o libpcsxcore/psxbios.o \
	libpcsxcore/psxcommon.o libpcsxcore/psxcounters.o libpcsxcore/psxdma.o libpcsxcore/psxhle.o \
	libpcsxcore/psxhw.o libpcsxcore/psxinterpreter.o libpcsxcore/psxmem.o libpcsxcore/r3000a.o \
	libpcsxcore/sio.o libpcsxcore/socket.o libpcsxcore/spu.o
OBJS += libpcsxcore/gte.o libpcsxcore/gte_nf.o libpcsxcore/gte_divider.o
ifeq "$(ARCH)" "arm"
OBJS += libpcsxcore/gte_arm.o
endif
ifeq "$(HAVE_NEON)" "1"
OBJS += libpcsxcore/gte_neon.o
endif
libpcsxcore/psxbios.o: CFLAGS += -Wno-nonnull

# dynarec
ifeq "$(USE_DYNAREC)" "1"
OBJS += libpcsxcore/new_dynarec/new_dynarec.o libpcsxcore/new_dynarec/linkage_arm.o
OBJS += libpcsxcore/new_dynarec/pcsxmem.o
else
libpcsxcore/new_dynarec/emu_if.o: CFLAGS += -DDRC_DISABLE
endif
OBJS += libpcsxcore/new_dynarec/emu_if.o
libpcsxcore/new_dynarec/new_dynarec.o: libpcsxcore/new_dynarec/assem_arm.c \
	libpcsxcore/new_dynarec/pcsxmem_inline.c
libpcsxcore/new_dynarec/new_dynarec.o: CFLAGS += -Wno-all -Wno-pointer-sign
ifdef DRC_DBG
libpcsxcore/new_dynarec/emu_if.o: CFLAGS += -D_FILE_OFFSET_BITS=64
CFLAGS += -DDRC_DBG
endif
ifeq "$(DRC_CACHE_BASE)" "1"
libpcsxcore/new_dynarec/%.o: CFLAGS += -DBASE_ADDR_FIXED=1
endif

# spu
OBJS += plugins/dfsound/dma.o plugins/dfsound/freeze.o \
	plugins/dfsound/registers.o plugins/dfsound/spu.o \
	plugins/dfsound/out.o
plugins/dfsound/spu.o: plugins/dfsound/adsr.c plugins/dfsound/reverb.c \
	plugins/dfsound/xa.c
ifeq "$(ARCH)" "arm"
OBJS += plugins/dfsound/arm_utils.o
endif
plugins/dfsound/out.o: CFLAGS += -DHAVE_LIBRETRO

# builtin gpu
OBJS += plugins/gpulib/gpu.o plugins/gpulib/vout_pl.o
ifeq "$(BUILTIN_GPU)" "neon"
OBJS += plugins/gpu_neon/psx_gpu_if.o plugins/gpu_neon/psx_gpu/psx_gpu_arm_neon.o
plugins/gpu_neon/psx_gpu_if.o: CFLAGS += -DNEON_BUILD -DTEXTURE_CACHE_4BPP -DTEXTURE_CACHE_8BPP
plugins/gpu_neon/psx_gpu_if.o: plugins/gpu_neon/psx_gpu/*.c
endif
ifeq "$(BUILTIN_GPU)" "peops"
# note: code is not safe for strict-aliasing? (Castlevania problems)
plugins/dfxvideo/gpulib_if.o: CFLAGS += -fno-strict-aliasing
plugins/dfxvideo/gpulib_if.o: plugins/dfxvideo/prim.c plugins/dfxvideo/soft.c
OBJS += plugins/dfxvideo/gpulib_if.o
endif
ifeq "$(BUILTIN_GPU)" "unai"
OBJS += plugins/gpu_unai/gpulib_if.o
ifeq "$(ARCH)" "arm"
OBJS += plugins/gpu_unai/gpu_arm.o
endif
plugins/gpu_unai/gpulib_if.o: CFLAGS += -DREARMED -O3 
CC_LINK = $(CXX)
endif

# cdrcimg
OBJS += plugins/cdrcimg/cdrcimg.o

# dfinput
OBJS += plugins/dfinput/main.o plugins/dfinput/pad.o plugins/dfinput/guncon.o

# frontend/gui
OBJS += frontend/cspace.o
ifeq "$(HAVE_NEON)" "1"
OBJS += frontend/cspace_neon.o
else
ifeq "$(ARCH)" "arm"
OBJS += frontend/cspace_arm.o
endif
endif

CFLAGS += -DFRONTEND_SUPPORTS_RGB565 -DNO_FRONTEND

# misc
OBJS += frontend/libretro.o frontend/main.o frontend/plugin.o


frontend/menu.o frontend/main.o: frontend/revision.h
frontend/libretro.o: frontend/revision.h

libpcsxcore/gte_nf.o: libpcsxcore/gte.c
	$(CC) -c -o $@ $^ $(CFLAGS) -DFLAGLESS

frontend/revision.h: FORCE
	@(git describe || echo) | sed -e 's/.*/#define REV "\0"/' > $@_
	@diff -q $@_ $@ > /dev/null 2>&1 || cp $@_ $@
	@rm $@_

%.o: %.S
	$(CC_AS) $(CFLAGS) -c $^ -o $@
	
%.o: %.s
	$(CC) $(ASFLAGS) -c $^ -o $@


target_: $(TARGET)

$(TARGET): $(OBJS)
	$(CC_LINK) -o $@ $^ $(LDFLAGS) $(LDLIBS) -Wl,-Map=$@.map

clean: $(PLAT_CLEAN) clean_plugins
	$(RM) $(TARGET) $(OBJS) $(TARGET).map frontend/revision.h

ifneq ($(PLUGINS),)
plugins_: $(PLUGINS)

$(PLUGINS):
	make -C $(dir $@)

clean_plugins:
	make -C plugins/gpulib/ clean
	for dir in $(PLUGINS) ; do \
		$(MAKE) -C $$(dirname $$dir) clean; done
else
plugins_:
clean_plugins:
endif

.PHONY: all clean target_ plugins_ clean_plugins FORCE