913bc867b7
Using some header information from rom_tool, it was possible to implement something that will accurately determine the real ROM size. With that information, uncart no longer dumps in 2GB chunks, but to the actual size of ROM (all 8 partitions). Warnings were cleaned up as much as possible for now (2 remain). i2c support was added in order to be able to shut down uncart when it is over (it isn't clear that the ASM in start.s is right for returning control to brahma, if that's even possible). More warnings were enabled in the Makefile, and lto was enabled. Currently, the Makefile and the draw.h are configured for a9lh support.
137 lines
5.3 KiB
Makefile
137 lines
5.3 KiB
Makefile
#---------------------------------------------------------------------------------
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.SUFFIXES:
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#---------------------------------------------------------------------------------
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ifeq ($(strip $(DEVKITARM)),)
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$(error "Please set DEVKITARM in your environment. export DEVKITARM=<path to>devkitARM")
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endif
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include $(DEVKITARM)/3ds_rules
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#---------------------------------------------------------------------------------
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# TARGET is the name of the output
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# BUILD is the directory where object files & intermediate files will be placed
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# SOURCES is a list of directories containing source code
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# DATA is a list of directories containing data files
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# INCLUDES is a list of directories containing header files
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# SPECS is the directory containing the important build and link files
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#---------------------------------------------------------------------------------
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export TARGET := $(shell basename $(CURDIR))
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BUILD := build
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SOURCES := source source/fatfs source/gamecart
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DATA := data
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INCLUDES := source
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#---------------------------------------------------------------------------------
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# Setup some defines
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#---------------------------------------------------------------------------------
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#---------------------------------------------------------------------------------
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# options for code generation
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#---------------------------------------------------------------------------------
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ARCH := -march=armv5te -mtune=arm946e-s -mthumb -mthumb-interwork
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CFLAGS := -g -Wall -Wextra -Wpedantic -O2 -flto\
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-fomit-frame-pointer\
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-ffast-math -std=c11\
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$(ARCH)
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CFLAGS += $(INCLUDE) -DARM9 -Werror-implicit-function-declaration -Wcast-align -Wcast-qual -Wdisabled-optimization -Wformat=2 -Winit-self -Wlogical-op -Wmissing-declarations -Wmissing-include-dirs -Wredundant-decls -Wshadow -Wsign-conversion -Wstrict-overflow=5 -Wswitch-default -Wundef -Wno-unused
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CXXFLAGS := $(CFLAGS) -fno-rtti -fno-exceptions
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ASFLAGS := -g $(ARCH)
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LDFLAGS = -nostartfiles -g --specs=../stub.specs $(ARCH) -Wl,-Map,$(TARGET).map
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OCFLAGS=--set-section-flags .bss=alloc,load,contents
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LIBS :=
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#---------------------------------------------------------------------------------
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# list of directories containing libraries, this must be the top level containing
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# include and lib
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#---------------------------------------------------------------------------------
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LIBDIRS :=
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#---------------------------------------------------------------------------------
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# no real need to edit anything past this point unless you need to add additional
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# rules for different file extensions
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#---------------------------------------------------------------------------------
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ifneq ($(BUILD),$(notdir $(CURDIR)))
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#---------------------------------------------------------------------------------
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export OUTPUT := $(CURDIR)/$(TARGET)
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export VPATH := $(foreach dir,$(SOURCES),$(CURDIR)/$(dir)) \
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$(foreach dir,$(DATA),$(CURDIR)/$(dir))
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export DEPSDIR := $(CURDIR)/$(BUILD)
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CFILES := $(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.c)))
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CPPFILES := $(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.cpp)))
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SFILES := $(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.s)))
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BINFILES := $(foreach dir,$(DATA),$(notdir $(wildcard $(dir)/*.*)))
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#---------------------------------------------------------------------------------
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# use CXX for linking C++ projects, CC for standard C
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#---------------------------------------------------------------------------------
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ifeq ($(strip $(CPPFILES)),)
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#---------------------------------------------------------------------------------
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export LD := $(CC)
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#---------------------------------------------------------------------------------
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else
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#---------------------------------------------------------------------------------
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export LD := $(CXX)
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#---------------------------------------------------------------------------------
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endif
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#---------------------------------------------------------------------------------
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export OFILES := $(addsuffix .o,$(BINFILES)) \
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$(CPPFILES:.cpp=.o) $(CFILES:.c=.o) $(SFILES:.s=.o)
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export INCLUDE := $(foreach dir,$(INCLUDES),-I$(CURDIR)/$(dir)) \
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$(foreach dir,$(LIBDIRS),-I$(dir)/include) \
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-I$(CURDIR)/$(BUILD)
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export LIBPATHS := $(foreach dir,$(LIBDIRS),-L$(dir)/lib)
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.PHONY: $(BUILD) clean all
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#---------------------------------------------------------------------------------
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all: $(BUILD)
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$(BUILD):
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@[ -d $@ ] || mkdir -p $@
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@make --no-print-directory -C $(BUILD) -f $(CURDIR)/Makefile
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cp $(OUTPUT).bin arm9loaderhax.bin
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#---------------------------------------------------------------------------------
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clean:
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@echo clean ...
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@rm -fr $(BUILD) $(OUTPUT).elf $(OUTPUT).bin arm9payload.bin
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#---------------------------------------------------------------------------------
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else
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DEPENDS := $(OFILES:.o=.d)
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#---------------------------------------------------------------------------------
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# main targets
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#---------------------------------------------------------------------------------
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$(OUTPUT).bin : $(OUTPUT).elf
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$(OUTPUT).elf : $(OFILES)
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#---------------------------------------------------------------------------------
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%.bin: %.elf
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@$(OBJCOPY) $(OCFLAGS) -O binary $< $@
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@echo built ... $(notdir $@)
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-include $(DEPENDS)
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#---------------------------------------------------------------------------------------
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endif
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#---------------------------------------------------------------------------------------
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