88 lines
2.8 KiB
Makefile
88 lines
2.8 KiB
Makefile
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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ifeq ($(filter $(DEVKITARM)/bin,$(PATH)),)
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export PATH:=$(DEVKITARM)/bin:$(PATH)
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endif
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CC = arm-none-eabi-gcc
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LINK = arm-none-eabi-gcc
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AS = arm-none-eabi-as
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OBJCOPY = arm-none-eabi-objcopy
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OBJDUMP = arm-none-eabi-objdump
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CFLAGS += -Wall -mbig-endian -std=gnu11 -mcpu=arm926ej-s -msoft-float -mfloat-abi=soft -Os
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LDFLAGS += -nostartfiles -nodefaultlibs -mbig-endian -Wl,-T,link.ld
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LIBDIRS += -L$(CURDIR)/../libs
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LIBS += -lgcc
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CFILES = $(wildcard source/*.c)
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BINFILES = $(wildcard data/*.bin)
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OFILES = $(BINFILES:data/%.bin=build/%.bin.o)
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OFILES += $(CFILES:source/%.c=build/%.o)
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DFILES = $(CFILES:source/%.c=build/%.d)
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SFILES = $(wildcard source/*.s)
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OFILES += $(SFILES:source/%.s=build/%.o)
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PROJECTNAME = ${shell basename "$(CURDIR)"}
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CWD = "$(CURDIR)""
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#---------------------------------------------------------------------------------
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# path to tools
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#---------------------------------------------------------------------------------
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DEVKITPATH=$(shell echo "$(DEVKITPRO)" | sed -e 's/^\([a-zA-Z]\):/\/\1/')
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export PATH := $(DEVKITPATH)/tools/bin:$(DEVKITPATH)/devkitPPC/bin:$(PATH)
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#---------------------------------------------------------------------------------
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# canned command sequence for binary data, taken from devkitARM
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#---------------------------------------------------------------------------------
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define bin2o
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bin2s $< | $(AS) -EB -o $(@)
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endef
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.PHONY:=all dirs
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all: dirs $(PROJECTNAME).bin $(PROJECTNAME)_syms.h $(PROJECTNAME).bin $(PROJECTNAME).bin.h
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dirs:
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@mkdir -p build
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$(PROJECTNAME).elf: $(OFILES)
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@echo "LD $@"
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@$(LINK) $(LDFLAGS) -o $(PROJECTNAME).elf $(sort $(filter-out build/crt0.o, $(OFILES))) $(LIBDIRS) $(LIBS)
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$(PROJECTNAME).bin: $(PROJECTNAME).elf
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@echo "OBJCOPY $@\n"
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@$(OBJCOPY) -j .text -j .rodata -j .data -O binary $(PROJECTNAME).elf $@
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$(PROJECTNAME).bin.h: $(PROJECTNAME).bin
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@raw2c $<
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@cp $(PROJECTNAME).c $@
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$(PROJECTNAME)_syms.h:
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@echo "#ifndef $(PROJECTNAME)_SYMS_H" > $@
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@echo "#define $(PROJECTNAME)_SYMS_H" >> $@
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@$(OBJDUMP) -EB -t -marm $(PROJECTNAME).elf | grep 'g F .text' | grep -v '.hidden' | awk '{print "#define " $$6 " 0x" $$1}' >> $@
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@$(OBJDUMP) -EB -t -marm $(PROJECTNAME).elf | grep -e 'g .text' -e '_bss_' | awk '{print "#define " $$5 " 0x" $$1}' >> $@
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@echo "#endif" >> $@
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clean:
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@rm -f build/*.o build/*.d
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@rm -f $(PROJECTNAME).elf $(PROJECTNAME).bin $(PROJECTNAME)_syms.h $(PROJECTNAME).bin $(PROJECTNAME).bin.h $(PROJECTNAME).h $(PROJECTNAME).c
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@echo "all cleaned up !"
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-include $(DFILES)
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build/%.o: source/%.c
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@echo "CC $(notdir $<)"
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@$(CC) $(CFLAGS) -c $< -o $@
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@$(CC) -MM $< > build/$*.d
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build/%.o: source/%.s
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@echo "CC $(notdir $<)"
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@$(CC) $(CFLAGS) -xassembler-with-cpp -c $< -o $@
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@$(CC) -MM $< > build/$*.d
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build/%.bin.o: data/%.bin
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@echo "BIN $(notdir $<)"
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@$(bin2o)
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