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https://github.com/Atmosphere-NX/Atmosphere.git
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e8306361f0
start.s, init.c, linker.ld and linker.specs are meant to be re-used by user applications, should they remove the defines from init.c and the .chainloader* sections from the linker script
68 lines
1.4 KiB
Makefile
68 lines
1.4 KiB
Makefile
rwildcard = $(foreach d, $(wildcard $1*), $(filter $(subst *, %, $2), $d) $(call rwildcard, $d/, $2))
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ifeq ($(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)/base_tools
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name := fusee-primary
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dir_source := src
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dir_build := build
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dir_out := out
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ARCH := -march=armv4t -mtune=arm7tdmi -mthumb -mthumb-interwork
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ASFLAGS := -g $(ARCH)
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# For debug builds, replace -O2 by -Og and comment -fomit-frame-pointer out
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CFLAGS = \
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$(ARCH) \
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-g \
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-O2 \
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-fomit-frame-pointer \
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-ffunction-sections \
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-fdata-sections \
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-std=gnu11 \
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-Werror \
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-Wall \
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-fstrict-volatile-bitfields \
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-DFUSEE_STAGE1_SRC
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LDFLAGS = -specs=linker.specs -g $(ARCH)
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objects = $(patsubst $(dir_source)/%.s, $(dir_build)/%.o, \
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$(patsubst $(dir_source)/%.c, $(dir_build)/%.o, \
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$(call rwildcard, $(dir_source), *.s *.c)))
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define bin2o
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bin2s $< | $(AS) -o $(@)
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endef
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.PHONY: all
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all: $(dir_out)/$(name).bin
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.PHONY: clean
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clean:
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@rm -rf $(dir_build)
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@rm -rf $(dir_out)
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$(dir_out)/$(name).bin: $(dir_build)/$(name).elf
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@mkdir -p "$(@D)"
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$(OBJCOPY) -S -O binary $< $@
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$(dir_build)/$(name).elf: $(objects)
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$(LINK.o) $(OUTPUT_OPTION) $^
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$(dir_build)/%.bin.o: $(dir_build)/%.bin
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@$(bin2o)
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$(dir_build)/%.o: $(dir_source)/%.c
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@mkdir -p "$(@D)"
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$(COMPILE.c) $(OUTPUT_OPTION) $<
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$(dir_build)/%.o: $(dir_source)/%.s
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@mkdir -p "$(@D)"
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$(COMPILE.c) -x assembler-with-cpp $(OUTPUT_OPTION) $<
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