RetroArch/Makefile.ctr.salamander
pstef 6bfb7862e7 Make -ffast-math exclusive to sinc_resampler.c
-ffast-math was added in ff14092d8d with a comment that it "helps SINC
resampler to auto-vectorize". The flag is an alias for "-fno-math-errno
-funsafe-math-optimizations -ffp-contract=fast -fno-honor-infinities
-fno-honor-nans". The last two of those cause compiler complaints
because while the flag was meant for this file, it's shared across the
codebase that includes statements that operate on infinities and NaNs.

GCC 13.3 with -fopt-info-vec reports 18 vectorizations for `-O3
-ffast-math`, 17 for `-O3 -fno-math-errno -funsafe-math-optimizations
-ffp-contract=fast` and also 17 for plain `-O3`. So using the subset of
-ffast-math without the offending flags buys nothing and loses 1
vectorization.

Both GCC and Clang provide the "fast-math" pragma directive, which I add
to this one file that benefits from it, under the condition that it's
supported. -ffast-math is removed from most of the makefiles.
2025-05-02 17:26:19 +00:00

240 lines
6.3 KiB
Makefile

TARGET := retroarch_3ds_salamander
LIBRETRO =
DEBUG = 0
CONSOLE_LOG = 0
BUILD_3DSX = 1
BUILD_3DS = 0
BUILD_CIA = 1
USE_CTRULIB_2 ?= 0
APP_TITLE = RetroArch 3DS
APP_DESCRIPTION = RetroArch 3DS
APP_AUTHOR = Team Libretro
APP_PRODUCT_CODE = RETROARCH-3DS
APP_UNIQUE_ID = 0xBAC00
APP_ICON = pkg/ctr/assets/default.png
APP_BANNER = pkg/ctr/assets/libretro_banner.png
APP_AUDIO = pkg/ctr/assets/silent.wav
APP_RSF = pkg/ctr/tools/template.rsf
APP_SYSTEM_MODE = 64MB
APP_SYSTEM_MODE_EXT = 124MB
OBJ := ctr/ctr_system.o \
ctr/ctr_memory.o \
ctr/ctr_linear.o \
frontend/frontend_salamander.o \
frontend/frontend_driver.o \
frontend/drivers/platform_ctr.o \
libretro-common/encodings/encoding_utf.o \
libretro-common/compat/compat_strcasestr.o \
libretro-common/compat/fopen_utf8.o \
libretro-common/file/file_path.o \
libretro-common/file/file_path_io.o \
libretro-common/string/stdstring.o \
libretro-common/lists/string_list.o \
libretro-common/lists/dir_list.o \
libretro-common/file/retro_dirent.o \
libretro-common/compat/compat_strl.o \
libretro-common/compat/compat_strldup.o \
libretro-common/file/config_file.o \
libretro-common/streams/file_stream.o \
libretro-common/vfs/vfs_implementation.o \
libretro-common/hash/lrc_hash.o \
libretro-common/time/rtime.o \
verbosity.o
OBJ += ctr/exec-3dsx/exec_cia.o \
ctr/exec-3dsx/exec_3dsx.o \
ctr/exec-3dsx/mini-hb-menu/launch.o \
ctr/exec-3dsx/mini-hb-menu/loaders/rosalina.o \
ctr/exec-3dsx/mini-hb-menu/loaders/hax2.o
ifeq ($(strip $(DEVKITPRO)),)
$(error "Please set DEVKITPRO in your environment. export DEVKITPRO=<path to>devkitpro")
endif
ifeq ($(strip $(USE_CTRULIB_2)),1)
CFLAGS += -DUSE_CTRULIB_2
endif
ifeq ($(strip $(DEVKITTOOLS)),)
ifeq ($(strip $(USE_CTRULIB_2)),1)
DEVKITTOOLS = $(DEVKITPRO)/tools
else
DEVKITTOOLS = $(DEVKITARM)
endif
endif
ifeq ($(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 $(ARCH)
CFLAGS += -DARM11 -D_3DS
ifeq ($(strip $(USE_CTRULIB_2)),1)
CFLAGS += -D__3DS__
endif
ifeq ($(DEBUG), 1)
CFLAGS += -O0 -g
else
CFLAGS += -O3
endif
ifeq ($(CONSOLE_LOG), 1)
CFLAGS += -DCONSOLE_LOG
endif
CFLAGS += -I. -Ideps/7zip -Ideps/stb -Ilibretro-common/include -Ilibretro-common/include/compat/zlib
#CFLAGS += -DRARCH_INTERNAL
CFLAGS += -DRARCH_CONSOLE -DIS_SALAMANDER
CXXFLAGS := $(CFLAGS) -fno-rtti -fno-exceptions -std=gnu++11
CFLAGS += -Werror=implicit-function-declaration
ASFLAGS := -g $(ARCH) -O3
LDFLAGS += -specs=ctr/3dsx_custom.specs -g $(ARCH) -Wl,-Map,$(notdir $*.map)
CFLAGS += -std=gnu99
LIBS := -lctru -lm
ifeq ($(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).3dsx: $(TARGET).elf
$(TARGET).elf: $(OBJ)
PREFIX := $(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 := $(CXX)
ifeq ($(strip $(CTRBANNERTOOL)),)
ifneq ($(findstring Linux,$(shell uname)),)
BANNERTOOL = pkg/ctr/tools/bannertool-linux
else ifneq ($(findstring Darwin,$(shell uname)),)
BANNERTOOL = pkg/ctr/tools/bannertool-mac
else
BANNERTOOL = pkg/ctr/tools/bannertool.exe
endif
else
BANNERTOOL = $(CTRBANNERTOOL)
endif
ifeq ($(strip $(CTRMAKEROM)),)
ifneq ($(findstring Linux,$(shell uname)),)
MAKEROM = pkg/ctr/tools/makerom-linux
else ifneq ($(findstring Darwin,$(shell uname)),)
MAKEROM = pkg/ctr/tools/makerom-mac
else
MAKEROM = pkg/ctr/tools/makerom.exe
endif
else
MAKEROM = $(CTRMAKEROM)
endif
%.o: %.vsh %.gsh
$(DEVKITTOOLS)/bin/picasso $^ -o $*.shbin
$(DEVKITTOOLS)/bin/bin2s $*.shbin | $(PREFIX)as -o $@
rm $*.shbin
%.o: %.vsh
$(DEVKITTOOLS)/bin/picasso $^ -o $*.shbin
$(DEVKITTOOLS)/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)
$(DEVKITTOOLS)/bin/smdhtool --create "$(APP_TITLE)" "$(APP_DESCRIPTION)" "$(APP_AUTHOR)" $(APP_ICON) $@
$(TARGET).3dsx: $(TARGET).elf
ifeq ($(APP_BIG_TEXT_SECTION), 1)
cp pkg/ctr/big_text_section.xml $(TARGET).xml
else
rm -f $(TARGET).xml
endif
$(DEVKITTOOLS)/bin/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
clean:
rm -f $(OBJ)
rm -f $(TARGET).3dsx
rm -f $(TARGET).elf
rm -f $(TARGET).3ds
rm -f $(TARGET).cia
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