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Adds source and Makefile
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jcrm1 committed Jul 25, 2022
1 parent 53e59d6 commit c81c134
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255 changes: 255 additions & 0 deletions Makefile
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#---------------------------------------------------------------------------------
.SUFFIXES:
#---------------------------------------------------------------------------------

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

TOPDIR ?= $(CURDIR)
include $(DEVKITARM)/3ds_rules

#---------------------------------------------------------------------------------
# TARGET is the name of the output
# BUILD is the directory where object files & intermediate files will be placed
# SOURCES is a list of directories containing source code
# DATA is a list of directories containing data files
# INCLUDES is a list of directories containing header files
# GRAPHICS is a list of directories containing graphics files
# GFXBUILD is the directory where converted graphics files will be placed
# If set to $(BUILD), it will statically link in the converted
# files as if they were data files.
#
# NO_SMDH: if set to anything, no SMDH file is generated.
# ROMFS is the directory which contains the RomFS, relative to the Makefile (Optional)
# APP_TITLE is the name of the app stored in the SMDH file (Optional)
# APP_DESCRIPTION is the description of the app stored in the SMDH file (Optional)
# APP_AUTHOR is the author of the app stored in the SMDH file (Optional)
# ICON is the filename of the icon (.png), relative to the project folder.
# If not set, it attempts to use one of the following (in this order):
# - <Project name>.png
# - icon.png
# - <libctru folder>/default_icon.png
#---------------------------------------------------------------------------------
TARGET := $(notdir $(CURDIR))
BUILD := build
SOURCES := source
DATA := data
INCLUDES := include
GRAPHICS := gfx
GFXBUILD := $(BUILD)
#ROMFS := romfs
#GFXBUILD := $(ROMFS)/gfx

#---------------------------------------------------------------------------------
# options for code generation
#---------------------------------------------------------------------------------
ARCH := -march=armv6k -mtune=mpcore -mfloat-abi=hard -mtp=soft

CFLAGS := -g -Wall -O2 -mword-relocations \
-ffunction-sections \
$(ARCH)

CFLAGS += $(INCLUDE) -D__3DS__

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

ASFLAGS := -g $(ARCH)
LDFLAGS = -specs=3dsx.specs -g $(ARCH) -Wl,-Map,$(notdir $*.map)

LIBS := -lctru -lm

#---------------------------------------------------------------------------------
# list of directories containing libraries, this must be the top level containing
# include and lib
#---------------------------------------------------------------------------------
LIBDIRS := $(CTRULIB)


#---------------------------------------------------------------------------------
# no real need to edit anything past this point unless you need to add additional
# rules for different file extensions
#---------------------------------------------------------------------------------
ifneq ($(BUILD),$(notdir $(CURDIR)))
#---------------------------------------------------------------------------------

export OUTPUT := $(CURDIR)/$(TARGET)
export TOPDIR := $(CURDIR)

export VPATH := $(foreach dir,$(SOURCES),$(CURDIR)/$(dir)) \
$(foreach dir,$(GRAPHICS),$(CURDIR)/$(dir)) \
$(foreach dir,$(DATA),$(CURDIR)/$(dir))

export DEPSDIR := $(CURDIR)/$(BUILD)

CFILES := $(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.c)))
CPPFILES := $(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.cpp)))
SFILES := $(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.s)))
PICAFILES := $(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.v.pica)))
SHLISTFILES := $(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.shlist)))
GFXFILES := $(foreach dir,$(GRAPHICS),$(notdir $(wildcard $(dir)/*.t3s)))
BINFILES := $(foreach dir,$(DATA),$(notdir $(wildcard $(dir)/*.*)))

#---------------------------------------------------------------------------------
# use CXX for linking C++ projects, CC for standard C
#---------------------------------------------------------------------------------
ifeq ($(strip $(CPPFILES)),)
#---------------------------------------------------------------------------------
export LD := $(CC)
#---------------------------------------------------------------------------------
else
#---------------------------------------------------------------------------------
export LD := $(CXX)
#---------------------------------------------------------------------------------
endif
#---------------------------------------------------------------------------------

#---------------------------------------------------------------------------------
ifeq ($(GFXBUILD),$(BUILD))
#---------------------------------------------------------------------------------
export T3XFILES := $(GFXFILES:.t3s=.t3x)
#---------------------------------------------------------------------------------
else
#---------------------------------------------------------------------------------
export ROMFS_T3XFILES := $(patsubst %.t3s, $(GFXBUILD)/%.t3x, $(GFXFILES))
export T3XHFILES := $(patsubst %.t3s, $(BUILD)/%.h, $(GFXFILES))
#---------------------------------------------------------------------------------
endif
#---------------------------------------------------------------------------------

export OFILES_SOURCES := $(CPPFILES:.cpp=.o) $(CFILES:.c=.o) $(SFILES:.s=.o)

export OFILES_BIN := $(addsuffix .o,$(BINFILES)) \
$(PICAFILES:.v.pica=.shbin.o) $(SHLISTFILES:.shlist=.shbin.o) \
$(addsuffix .o,$(T3XFILES))

export OFILES := $(OFILES_BIN) $(OFILES_SOURCES)

export HFILES := $(PICAFILES:.v.pica=_shbin.h) $(SHLISTFILES:.shlist=_shbin.h) \
$(addsuffix .h,$(subst .,_,$(BINFILES))) \
$(GFXFILES:.t3s=.h)

export INCLUDE := $(foreach dir,$(INCLUDES),-I$(CURDIR)/$(dir)) \
$(foreach dir,$(LIBDIRS),-I$(dir)/include) \
-I$(CURDIR)/$(BUILD)

export LIBPATHS := $(foreach dir,$(LIBDIRS),-L$(dir)/lib)

export _3DSXDEPS := $(if $(NO_SMDH),,$(OUTPUT).smdh)

ifeq ($(strip $(ICON)),)
icons := $(wildcard *.png)
ifneq (,$(findstring $(TARGET).png,$(icons)))
export APP_ICON := $(TOPDIR)/$(TARGET).png
else
ifneq (,$(findstring icon.png,$(icons)))
export APP_ICON := $(TOPDIR)/icon.png
endif
endif
else
export APP_ICON := $(TOPDIR)/$(ICON)
endif

ifeq ($(strip $(NO_SMDH)),)
export _3DSXFLAGS += --smdh=$(CURDIR)/$(TARGET).smdh
endif

ifneq ($(ROMFS),)
export _3DSXFLAGS += --romfs=$(CURDIR)/$(ROMFS)
endif

.PHONY: all clean

#---------------------------------------------------------------------------------
all: $(BUILD) $(GFXBUILD) $(DEPSDIR) $(ROMFS_T3XFILES) $(T3XHFILES)
@$(MAKE) --no-print-directory -C $(BUILD) -f $(CURDIR)/Makefile

$(BUILD):
@mkdir -p $@

ifneq ($(GFXBUILD),$(BUILD))
$(GFXBUILD):
@mkdir -p $@
endif

ifneq ($(DEPSDIR),$(BUILD))
$(DEPSDIR):
@mkdir -p $@
endif

#---------------------------------------------------------------------------------
clean:
@echo clean ...
@rm -fr $(BUILD) $(TARGET).3dsx $(OUTPUT).smdh $(TARGET).elf $(GFXBUILD)

#---------------------------------------------------------------------------------
$(GFXBUILD)/%.t3x $(BUILD)/%.h : %.t3s
#---------------------------------------------------------------------------------
@echo $(notdir $<)
@tex3ds -i $< -H $(BUILD)/$*.h -d $(DEPSDIR)/$*.d -o $(GFXBUILD)/$*.t3x

#---------------------------------------------------------------------------------
else

#---------------------------------------------------------------------------------
# main targets
#---------------------------------------------------------------------------------
$(OUTPUT).3dsx : $(OUTPUT).elf $(_3DSXDEPS)

$(OFILES_SOURCES) : $(HFILES)

$(OUTPUT).elf : $(OFILES)

#---------------------------------------------------------------------------------
# you need a rule like this for each extension you use as binary data
#---------------------------------------------------------------------------------
%.bin.o %_bin.h : %.bin
#---------------------------------------------------------------------------------
@echo $(notdir $<)
@$(bin2o)

#---------------------------------------------------------------------------------
.PRECIOUS : %.t3x
#---------------------------------------------------------------------------------
%.t3x.o %_t3x.h : %.t3x
#---------------------------------------------------------------------------------
@echo $(notdir $<)
@$(bin2o)

#---------------------------------------------------------------------------------
# rules for assembling GPU shaders
#---------------------------------------------------------------------------------
define shader-as
$(eval CURBIN := $*.shbin)
$(eval DEPSFILE := $(DEPSDIR)/$*.shbin.d)
echo "$(CURBIN).o: $< $1" > $(DEPSFILE)
echo "extern const u8" `(echo $(CURBIN) | sed -e 's/^\([0-9]\)/_\1/' | tr . _)`"_end[];" > `(echo $(CURBIN) | tr . _)`.h
echo "extern const u8" `(echo $(CURBIN) | sed -e 's/^\([0-9]\)/_\1/' | tr . _)`"[];" >> `(echo $(CURBIN) | tr . _)`.h
echo "extern const u32" `(echo $(CURBIN) | sed -e 's/^\([0-9]\)/_\1/' | tr . _)`_size";" >> `(echo $(CURBIN) | tr . _)`.h
picasso -o $(CURBIN) $1
bin2s $(CURBIN) | $(AS) -o $*.shbin.o
endef

%.shbin.o %_shbin.h : %.v.pica %.g.pica
@echo $(notdir $^)
@$(call shader-as,$^)

%.shbin.o %_shbin.h : %.v.pica
@echo $(notdir $<)
@$(call shader-as,$<)

%.shbin.o %_shbin.h : %.shlist
@echo $(notdir $<)
@$(call shader-as,$(foreach file,$(shell cat $<),$(dir $<)$(file)))

#---------------------------------------------------------------------------------
%.t3x %.h : %.t3s
#---------------------------------------------------------------------------------
@echo $(notdir $<)
@tex3ds -i $< -H $*.h -d $*.d -o $*.t3x

-include $(DEPSDIR)/*.d

#---------------------------------------------------------------------------------------
endif
#---------------------------------------------------------------------------------------
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