# Specify "make PLATFORM=<platform>" to compile for a specific target.
# Check the supported list of platforms below for a ful list

# Raspberry Pi 4 CPU flags
ifneq (,$(findstring rpi4,$(PLATFORM)))
    CPUFLAGS = -mcpu=cortex-a72 -mfpu=neon-fp-armv8
endif

# Raspberry Pi 3 CPU flags
ifneq (,$(findstring rpi3,$(PLATFORM)))
    CPUFLAGS = -mcpu=cortex-a53 -mfpu=neon-fp-armv8
endif

# Raspberry Pi 2 CPU flags
ifneq (,$(findstring rpi2,$(PLATFORM)))
    CPUFLAGS = -mcpu=cortex-a7 -mfpu=neon-vfpv4
endif

# Raspberry Pi 1 CPU flags
ifneq (,$(findstring rpi1,$(PLATFORM)))
    CPUFLAGS = -mcpu=arm1176jzf-s -mfpu=vfp
endif

#
# DispmanX Common flags (RPI-specific)
#
DISPMANX_FLAGS = -DUSE_DISPMANX -I/opt/vc/include -I/opt/vc/include/interface/vmcs_host/linux -I/opt/vc/include/interface/vcos/pthreads 
DISPMANX_LDFLAGS = -lbcm_host -lvchiq_arm -L/opt/vc/lib -Wl,-rpath=/opt/vc/lib

#
# libgo2 flags (Odroid Go Advance)
#
LIBGO2_FLAGS = -DUSE_LIBGO2 -Iexternal/libgo2/src
LIBGO2_LDFLAGS = -lgo2

CPPFLAGS=-MD -MT $@ -MF $(@:%.o=%.d)
#DEBUG=1
#GCC_PROFILE=1
#GEN_PROFILE=1
#USE_PROFILE=1
#USE_LTO=1
#SANITIZE=1

#
# SDL2 with DispmanX targets (RPI only)
#
# Raspberry Pi 1/2/3/4 (SDL2, DispmanX)
ifeq ($(PLATFORM),$(filter $(PLATFORM),rpi1 rpi2 rpi3 rpi4))
    CPPFLAGS += -DARMV6_ASSEMBLY -D_FILE_OFFSET_BITS=64 -DARMV6T2 ${DISPMANX_FLAGS}
    LDFLAGS += ${DISPMANX_LDFLAGS}
    ifeq ($(PLATFORM),$(filter $(PLATFORM),rpi2 rpi3 rpi4))
       CPPFLAGS += -DUSE_ARMNEON -DARM_HAS_DIV
       HAVE_NEON = 1
    endif    

#
# SDL2 targets
#
# Raspberry Pi 1/2/3/4 (SDL2)
else ifeq ($(PLATFORM),$(filter $(PLATFORM),rpi1-sdl2 rpi2-sdl2 rpi3-sdl2 rpi4-sdl2))
    CPPFLAGS += -DARMV6_ASSEMBLY -D_FILE_OFFSET_BITS=64 -DARMV6T2
    ifeq ($(PLATFORM),$(filter $(PLATFORM), rpi2-sdl2 rpi3-sdl2 rpi4-sdl2))
       CPPFLAGS += -DUSE_ARMNEON -DARM_HAS_DIV
       HAVE_NEON = 1
    endif

# OrangePi (SDL2)
else ifeq ($(PLATFORM),orangepi-pc)
    CPUFLAGS = -mcpu=cortex-a7 -mfpu=neon-vfpv4
    CPPFLAGS += -DARMV6_ASSEMBLY -D_FILE_OFFSET_BITS=64 -DARMV6T2 -DUSE_ARMNEON -DARM_HAS_DIV -DSOFTWARE_CURSOR -DUSE_RENDER_THREAD
    HAVE_NEON = 1
    ifdef DEBUG
	    # Otherwise we'll get compilation errors, check https://tls.mbed.org/kb/development/arm-thumb-error-r7-cannot-be-used-in-asm-here
	    # quote: The assembly code in bn_mul.h is optimized for the ARM platform and uses some registers, including r7 to efficiently do an operation. GCC also uses r7 as the frame pointer under ARM Thumb assembly.
        MORE_CFLAGS += -fomit-frame-pointer
    endif

# Odroid XU4 (SDL2)
else ifeq ($(PLATFORM),xu4)
    CPUFLAGS += -mcpu=cortex-a15 -mfpu=neon-vfpv4
    CPPFLAGS += -DARMV6_ASSEMBLY -D_FILE_OFFSET_BITS=64 -DARMV6T2 -DUSE_ARMNEON -DARM_HAS_DIV -DSOFTWARE_CURSOR -DUSE_RENDER_THREAD -DFASTERCYCLES
    HAVE_NEON = 1
    ifdef DEBUG
	    # Otherwise we'll get compilation errors, check https://tls.mbed.org/kb/development/arm-thumb-error-r7-cannot-be-used-in-asm-here
	    # quote: The assembly code in bn_mul.h is optimized for the ARM platform and uses some registers, including r7 to efficiently do an operation. GCC also uses r7 as the frame pointer under ARM Thumb assembly.
        MORE_CFLAGS += -fomit-frame-pointer
    endif

# Odroid C1 (SDL2)
else ifeq ($(PLATFORM),c1)
    CPUFLAGS += -mcpu=cortex-a5 -mfpu=neon-vfpv4
    CPPFLAGS += -DARMV6_ASSEMBLY -D_FILE_OFFSET_BITS=64 -DARMV6T2 -DUSE_ARMNEON -DARM_HAS_DIV -DSOFTWARE_CURSOR -DUSE_RENDER_THREAD -DFASTERCYCLES
    HAVE_NEON = 1
    ifdef DEBUG
	    # Otherwise we'll get compilation errors, check https://tls.mbed.org/kb/development/arm-thumb-error-r7-cannot-be-used-in-asm-here
	    # quote: The assembly code in bn_mul.h is optimized for the ARM platform and uses some registers, including r7 to efficiently do an operation. GCC also uses r7 as the frame pointer under ARM Thumb assembly.
        MORE_CFLAGS += -fomit-frame-pointer
    endif

# Odroid N1/N2, RockPro64 (SDL2 64-bit)
else ifeq ($(PLATFORM),n2)
    CPUFLAGS += -mcpu=cortex-a72
    CPPFLAGS += -DCPU_AARCH64 -D_FILE_OFFSET_BITS=64 -DSOFTWARE_CURSOR -DFASTERCYCLES
    AARCH64 = 1

# Raspberry Pi 3/4 (SDL2 64-bit)
else ifeq ($(PLATFORM),pi64)
    CPUFLAGS += -mcpu=cortex-a72
    CPPFLAGS += -DCPU_AARCH64 -D_FILE_OFFSET_BITS=64 -DFASTERCYCLES
    AARCH64 = 1

# Raspberry Pi 3/4 (SDL2 64-bit with DispmanX)
else ifeq ($(PLATFORM),pi64-dispmanx)
    CPUFLAGS += -mcpu=cortex-a72
    CPPFLAGS += -DCPU_AARCH64 -D_FILE_OFFSET_BITS=64 ${DISPMANX_FLAGS} -DFASTERCYCLES
    LDFLAGS += ${DISPMANX_LDFLAGS}
    AARCH64 = 1

# Vero 4k (SDL2)
else ifeq ($(PLATFORM),vero4k)
    CPUFLAGS = -mcpu=cortex-a7 -mfpu=neon-vfpv4 -mfloat-abi=hard
    CFLAGS += -ftree-vectorize -funsafe-math-optimizations
    CPPFLAGS += -I/opt/vero3/include -DARMV6_ASSEMBLY -D_FILE_OFFSET_BITS=64 -DARMV6T2 -DUSE_ARMNEON -DARM_HAS_DIV -DSOFTWARE_CURSOR -DUSE_RENDER_THREAD -DFASTERCYCLES
    LDFLAGS += -L/opt/vero3/lib
    HAVE_NEON = 1

# Amlogic S905/S905X/S912 (AMLGXBB/AMLGXL/AMLGXM) e.g. Khadas VIM1/2 / S905X2 (AMLG12A) & S922X/A311D (AMLG12B) e.g. Khadas VIM3 - 32-bit userspace
else ifneq (,$(findstring AMLG,$(PLATFORM)))
    CPUFLAGS += -mfloat-abi=hard -mfpu=neon-fp-armv8
    CPPFLAGS += -DARMV6_ASSEMBLY -D_FILE_OFFSET_BITS=64 -DARMV6T2 -DUSE_ARMNEON -DARM_HAS_DIV -DSOFTWARE_CURSOR -DFASTERCYCLES
    HAVE_NEON = 1

    ifneq (,$(findstring AMLG12,$(PLATFORM)))
      ifneq (,$(findstring AMLG12B,$(PLATFORM)))
        CPUFLAGS += -mcpu=cortex-a73
      else
        CPUFLAGS += -mcpu=cortex-a53
      endif
    else ifneq (,$(findstring AMLGX,$(PLATFORM)))
      CPUFLAGS += -mcpu=cortex-a53
      CPPFLAGS += -DUSE_RENDER_THREAD
    endif

# Odroid Go Advance target (SDL2, 64-bit)
else ifeq ($(PLATFORM),go-advance)
    CPUFLAGS += -mcpu=cortex-a35
    CPPFLAGS += -DCPU_AARCH64 -D_FILE_OFFSET_BITS=64 -DSOFTWARE_CURSOR
    AARCH64 = 1

# Odroid Go Advance special target (libgo2, 64-bit)
else ifeq ($(PLATFORM),go-advance-libgo2)
    CPUFLAGS += -mcpu=cortex-a35
    CPPFLAGS += -DCPU_AARCH64 -D_FILE_OFFSET_BITS=64 -DSOFTWARE_CURSOR ${LIBGO2_FLAGS}
    LDFLAGS += ${LIBGO2_LDFLAGS}
    AARCH64 = 1

# RK3288 e.g. Asus Tinker Board
# RK3328 e.g. PINE64 Rock64 
# RK3399 e.g. PINE64 RockPro64 
# RK3326 e.g. Odroid Go Advance - 32-bit userspace
else ifneq (,$(findstring RK,$(PLATFORM)))
    CPPFLAGS += -DARMV6_ASSEMBLY -D_FILE_OFFSET_BITS=64 -DARMV6T2 -DUSE_ARMNEON -DARM_HAS_DIV -DSOFTWARE_CURSOR
    HAVE_NEON = 1

    ifneq (,$(findstring RK33,$(PLATFORM)))
      CPUFLAGS += -mfloat-abi=hard -mfpu=neon-fp-armv8
      ifneq (,$(findstring RK3399,$(PLATFORM)))
        CPUFLAGS += -mcpu=cortex-a72
        CPPFLAGS += -DFASTERCYCLES
      else ifneq (,$(findstring RK3328,$(PLATFORM)))
        CPUFLAGS += -mcpu=cortex-a53
        CPPFLAGS += -DUSE_RENDER_THREAD -DFASTERCYCLES
      else ifneq (,$(findstring RK3326,$(PLATFORM)))
        CPUFLAGS += -mcpu=cortex-a35
        CPPFLAGS += -DUSE_RENDER_THREAD
	  endif
    else ifneq (,$(findstring RK3288,$(PLATFORM)))
      CPUFLAGS += -mcpu=cortex-a17 -mfloat-abi=hard -mfpu=neon-vfpv4
      CPPFLAGS += -DUSE_RENDER_THREAD -DFASTERCYCLES
    endif

# sun8i Allwinner H2+ / H3 like Orange PI, Nano PI, Banana PI, Tritium, AlphaCore2, MPCORE-HUB
else ifeq ($(PLATFORM),sun8i)
    CPUFLAGS += -mcpu=cortex-a7 -mfpu=neon-vfpv4
    CPPFLAGS += -DARMV6_ASSEMBLY -D_FILE_OFFSET_BITS=64 -DARMV6T2 -DUSE_ARMNEON -DARM_HAS_DIV -DSOFTWARE_CURSOR -DUSE_RENDER_THREAD
    HAVE_NEON = 1
    ifdef DEBUG
	    # Otherwise we'll get compilation errors, check https://tls.mbed.org/kb/development/arm-thumb-error-r7-cannot-be-used-in-asm-here
	    # quote: The assembly code in bn_mul.h is optimized for the ARM platform and uses some registers, including r7 to efficiently do an operation. GCC also uses r7 as the frame pointer under ARM Thumb assembly.
        MORE_CFLAGS += -fomit-frame-pointer
	endif

# LePotato Libre Computer
else ifeq ($(PLATFORM),lePotato)
   CPUFLAGS += -mcpu=cortex-a53 -mabi=lp64
   CPPFLAGS += -DCPU_AARCH64 -D_FILE_OFFSET_BITS=64 -DSOFTWARE_CURSOR -DFASTERCYCLES
   AARCH64 = 1

# Nvidia Jetson Nano (SDL2 64-bit)
else ifeq ($(PLATFORM),jetson-nano)
    CPUFLAGS += -mcpu=cortex-a57
    CPPFLAGS += -DCPU_AARCH64 -D_FILE_OFFSET_BITS=64 -DSOFTWARE_CURSOR -DFASTERCYCLES
    AARCH64 = 1

else
$(error Unknown platform:$(PLATFORM))
endif

RM     = rm -f
AS     = as
CC     ?= gcc
CXX    ?= g++
STRIP  ?= strip
PROG   = amiberry

#
# SDL2 options
#
all: guisan $(PROG)
SDL_CONFIG ?= sdl2-config
export SDL_CFLAGS := $(shell $(SDL_CONFIG) --cflags)
export SDL_LDFLAGS := $(shell $(SDL_CONFIG) --libs)

CPPFLAGS += $(SDL_CFLAGS) -Iexternal/libguisan/include
LDFLAGS += $(SDL_LDFLAGS) -lSDL2_image -lSDL2_ttf -lguisan -Lexternal/libguisan/lib

#
# Common options
#
DEFS = $(XML_CFLAGS) -DAMIBERRY
CPPFLAGS += -Isrc -Isrc/osdep -Isrc/threaddep -Isrc/include -Isrc/archivers $(DEFS)
XML_CFLAGS := $(shell xml2-config --cflags )
LDFLAGS += -Wl,-O1 -Wl,--hash-style=gnu -Wl,--as-needed

ifndef DEBUG
    CFLAGS += -Ofast
else
    CFLAGS += -g -rdynamic -funwind-tables -DDEBUG -Wl,--export-dynamic
endif

#LTO is supposed to reduced code size and increased execution speed. For Amiberry, it does not.
#at least not yet. In fact, the binary is somewhat bigger and almost the same speed. And the link times goes up
#a lot.
ifdef USE_LTO
    export CFLAGS+=-flto=$(shell nproc) -march=native -fuse-ld=gold -flto-partition=1to1
    export LDFLAGS+=$(CFLAGS)
    comma= ,
    export LDFLAGS:=$(filter-out -Wl$(comma)-O1,$(LDFLAGS))
endif

ifdef GCC_PROFILE
    CFLAGS += -pg
    LDFLAGS += -pg
endif

ifdef GEN_PROFILE
    CFLAGS += -fprofile-generate -fprofile-arcs -fvpt
    LDFLAGS += -lgcov
endif

ifdef USE_PROFILE
    CFLAGS += -fprofile-use -fprofile-correction -fbranch-probabilities -fvpt
    LDFLAGS += -lgcov
endif

ifdef SANITIZE
    LDFLAGS += -lasan
    CFLAGS += -fsanitize=leak -fsanitize-recover=address
endif

LDFLAGS += -lpthread -lz -lpng -lrt -lxml2 -lFLAC -lmpg123 -ldl -lmpeg2convert -lmpeg2
export ASFLAGS = $(CPUFLAGS)

export CFLAGS := $(CPUFLAGS) $(CFLAGS) -pipe -Wno-shift-overflow -Wno-narrowing $(EXTRA_CFLAGS)
export CXXFLAGS += $(CFLAGS) -std=gnu++14

C_OBJS= \
	src/archivers/7z/BraIA64.o \
	src/archivers/7z/Delta.o \
	src/archivers/7z/Sha256.o \
	src/archivers/7z/XzCrc64.o \
	src/archivers/7z/XzDec.o

OBJS =	\
	src/akiko.o \
	src/ar.o \
	src/aros.rom.o \
	src/audio.o \
	src/autoconf.o \
	src/blitfunc.o \
	src/blittable.o \
	src/blitter.o \
	src/blkdev.o \
	src/blkdev_cdimage.o \
	src/bsdsocket.o \
	src/calc.o \
	src/cd32_fmv.o \
	src/cd32_fmv_genlock.o \
	src/cdrom.o \
	src/cfgfile.o \
	src/cia.o \
	src/crc32.o \
	src/custom.o \
	src/def_icons.o \
	src/devices.o \
	src/disk.o \
	src/diskutil.o \
	src/dlopen.o \
	src/drawing.o \
	src/events.o \
	src/expansion.o \
	src/fdi2raw.o \
	src/filesys.o \
	src/flashrom.o \
	src/fpp.o \
	src/fsdb.o \
	src/fsdb_unix.o \
	src/fsusage.o \
	src/gayle.o \
	src/gfxboard.o \
	src/gfxutil.o \
	src/hardfile.o \
	src/hrtmon.rom.o \
	src/ide.o \
	src/inputdevice.o \
	src/keybuf.o \
	src/main.o \
	src/memory.o \
	src/native2amiga.o \
	src/rommgr.o \
	src/rtc.o \
	src/savestate.o \
	src/scp.o \
	src/scsi.o \
	src/statusline.o \
	src/traps.o \
	src/uaelib.o \
	src/uaeresource.o \
	src/zfile.o \
	src/zfile_archive.o \
	src/archivers/7z/7zAlloc.o \
	src/archivers/7z/7zBuf.o \
	src/archivers/7z/7zCrc.o \
	src/archivers/7z/7zCrcOpt.o \
	src/archivers/7z/7zDec.o \
	src/archivers/7z/7zIn.o \
	src/archivers/7z/7zStream.o \
	src/archivers/7z/Bcj2.o \
	src/archivers/7z/Bra.o \
	src/archivers/7z/Bra86.o \
	src/archivers/7z/LzmaDec.o \
	src/archivers/7z/Lzma2Dec.o \
	src/archivers/7z/Xz.o \
	src/archivers/dms/crc_csum.o \
	src/archivers/dms/getbits.o \
	src/archivers/dms/maketbl.o \
	src/archivers/dms/pfile.o \
	src/archivers/dms/tables.o \
	src/archivers/dms/u_deep.o \
	src/archivers/dms/u_heavy.o \
	src/archivers/dms/u_init.o \
	src/archivers/dms/u_medium.o \
	src/archivers/dms/u_quick.o \
	src/archivers/dms/u_rle.o \
	src/archivers/lha/crcio.o \
	src/archivers/lha/dhuf.o \
	src/archivers/lha/header.o \
	src/archivers/lha/huf.o \
	src/archivers/lha/larc.o \
	src/archivers/lha/lhamaketbl.o \
	src/archivers/lha/lharc.o \
	src/archivers/lha/shuf.o \
	src/archivers/lha/slide.o \
	src/archivers/lha/uae_lha.o \
	src/archivers/lha/util.o \
	src/archivers/lzx/unlzx.o \
	src/archivers/mp2/kjmp2.o \
	src/archivers/wrp/warp.o \
	src/archivers/zip/unzip.o \
	src/caps/caps_amiberry.o \
	src/machdep/support.o \
	src/osdep/bsdsocket_host.o \
	src/osdep/cda_play.o \
	src/osdep/charset.o \
	src/osdep/fsdb_host.o \
	src/osdep/amiberry_hardfile.o \
	src/osdep/keyboard.o \
	src/osdep/mp3decoder.o \
	src/osdep/picasso96.o \
	src/osdep/writelog.o \
	src/osdep/amiberry.o \
	src/osdep/amiberry_filesys.o \
	src/osdep/amiberry_input.o \
	src/osdep/amiberry_gfx.o \
	src/osdep/amiberry_gui.o \
	src/osdep/amiberry_rp9.o \
	src/osdep/amiberry_mem.o \
	src/osdep/amiberry_whdbooter.o \
	src/osdep/sigsegv_handler.o \
	src/sounddep/sound.o \
	src/osdep/gui/InGameMessage.o \
	src/osdep/gui/SelectorEntry.o \
	src/osdep/gui/ShowHelp.o \
	src/osdep/gui/ShowMessage.o \
	src/osdep/gui/SelectFolder.o \
	src/osdep/gui/SelectFile.o \
	src/osdep/gui/CreateFilesysHardfile.o \
	src/osdep/gui/EditFilesysVirtual.o \
	src/osdep/gui/EditFilesysHardfile.o \
	src/osdep/gui/PanelAbout.o \
	src/osdep/gui/PanelPaths.o \
	src/osdep/gui/PanelQuickstart.o \
	src/osdep/gui/PanelConfig.o \
	src/osdep/gui/PanelCPU.o \
	src/osdep/gui/PanelChipset.o \
	src/osdep/gui/PanelCustom.o \
	src/osdep/gui/PanelROM.o \
	src/osdep/gui/PanelRAM.o \
	src/osdep/gui/PanelFloppy.o \
	src/osdep/gui/PanelHD.o \
	src/osdep/gui/PanelInput.o \
	src/osdep/gui/PanelDisplay.o \
	src/osdep/gui/PanelSound.o \
	src/osdep/gui/PanelMisc.o \
	src/osdep/gui/PanelSavestate.o \
	src/osdep/gui/main_window.o \
	src/osdep/gui/Navigation.o

ifeq ($(ANDROID), 1)
OBJS += src/osdep/gui/androidsdl_event.o \
	src/osdep/gui/PanelOnScreen.o
endif

ifdef AARCH64
OBJS += src/osdep/aarch64_helper.o
src/osdep/aarch64_helper.o: src/osdep/aarch64_helper.s
	$(AS) $(ASFLAGS) -o src/osdep/aarch64_helper.o -c src/osdep/aarch64_helper.s
else ifeq ($(PLATFORM),$(filter $(PLATFORM),rpi1 rpi1-sdl2))
OBJS += src/osdep/arm_helper.o
src/osdep/arm_helper.o: src/osdep/arm_helper.s
	$(AS) $(ASFLAGS) -o src/osdep/arm_helper.o -c src/osdep/arm_helper.s
else
OBJS += src/osdep/neon_helper.o
src/osdep/neon_helper.o: src/osdep/neon_helper.s
	$(AS) $(ASFLAGS) -o src/osdep/neon_helper.o -c src/osdep/neon_helper.s
endif

OBJS += src/newcpu.o \
	src/newcpu_common.o \
	src/readcpu.o \
	src/cpudefs.o \
	src/cpustbl.o \
	src/cpuemu_0.o \
	src/cpuemu_4.o \
	src/cpuemu_11.o \
	src/cpuemu_40.o \
	src/cpuemu_44.o \
	src/jit/compemu.o \
	src/jit/compstbl.o \
	src/jit/compemu_fpp.o \
	src/jit/compemu_support.o

DEPS = $(OBJS:%.o=%.d) $(C_OBJS:%.o=%.d)

$(PROG): $(OBJS) $(C_OBJS)
	$(CXX) -o $(PROG) $(OBJS) $(C_OBJS) $(LDFLAGS)
ifndef DEBUG
# want to keep a copy of the binary before stripping? Then enable the below line
#	cp $(PROG) $(PROG)-debug
	$(STRIP) $(PROG)
endif

clean:
	$(RM) $(PROG) $(PROG)-debug $(C_OBJS) $(OBJS) $(ASMS) $(DEPS)
	$(MAKE) -C external/libguisan clean

cleanprofile:
	$(RM) $(OBJS:%.o=%.gcda)
	
bootrom:
	od -v -t xC -w8 src/filesys |tail -n +5 | sed -e "s,^.......,," -e "s,[0123456789abcdefABCDEF][0123456789abcdefABCDEF],db(0x&);,g" > src/filesys_bootrom.cpp
	touch src/filesys.cpp

guisan:
	$(MAKE) -C external/libguisan
	
-include $(DEPS)