76 lines
2.1 KiB
Makefile
76 lines
2.1 KiB
Makefile
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TOOLCHAIN = /opt/arm-toolchain
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OPENOCD = /opt/arm-toolchain/openocd
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AS = $(TOOLCHAIN)/bin/arm-elf-as
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CC = $(TOOLCHAIN)/bin/arm-elf-gcc
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LD = $(TOOLCHAIN)/bin/arm-elf-ld
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NM = $(TOOLCHAIN)/bin/arm-elf-nm
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SIZE = $(TOOLCHAIN)/bin/arm-elf-size
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OBJCOPY = $(TOOLCHAIN)/bin/arm-elf-objcopy
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OBJDUMP = $(TOOLCHAIN)/bin/arm-elf-objdump
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INCDIRS = include $(TOOLCHAIN)/lib/gcc/arm-elf/4.1.1/include $(TOOLCHAIN)/arm-elf/include
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LIBDIRS = $(TOOLCHAIN)/arm-elf/lib $(TOOLCHAIN)/lib/gcc/arm-elf/4.1.1
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# ------
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BUILD = build
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TARGET = sam7fc
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ASFLAGS = -mcpu=arm7tdmi -Wa,-adhlns=$(BUILD)/$(*D)/$(*F).lst,--gdwarf-2 -Iinclude
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CFLAGS = -gdwarf-2 -mcpu=arm7tdmi -Os -std=gnu99
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CFLAGS += -Wa,-adhlns=$(BUILD)/$(*D)/$(*F).lst
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CFLAGS += -nostdinc $(patsubst %,-I%,$(INCDIRS))
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CFLAGS += -MD -MP -MF $(BUILD)/.dep/$(*F).d
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CFLAGS += -Wall
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#CFLAGS += -Wextra
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#CFLAGS += -Wcast-align -Wimplicit -Wunused
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#CFLAGS += -Wpointer-arith -Wswitch
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#CFLAGS += -Wredundant-decls -Wreturn-type -Wshadow
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#CFLAGS += -Wbad-function-cast -Wsign-compare -Waggregate-return
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#CFLAGS += -Wcast-qual -Wnested-externs
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#CFLAGS += -Wmissing-prototypes
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#CFLAGS += -Wstrict-prototypes -Wmissing-declarations
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LDFLAGS = -nostartfiles -t ldscript.ld -Wl,-Map=$@.map,--cref
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LDFLAGS += $(patsubst %,-L%,$(LIBDIRS))
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LDFLAGS += -lc -lgcc
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# ------
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SRC := $(wildcard *.c) $(wildcard src/*.c) $(wildcard src/*/*.c)
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AS_SRC := $(wildcard *.s) $(wildcard src/*.s)
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all: $(BUILD)/$(TARGET).elf
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@$(SIZE) -x $<
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$(BUILD)/$(TARGET).elf: $(patsubst %,$(BUILD)/%,$(AS_SRC:.s=.o) $(SRC:.c=.o))
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@echo " Linking file: $@"
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@$(shell mkdir -p $(BUILD)/$(*D))
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@$(CC) $(CFLAGS) $^ -o $@ $(LDFLAGS)
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@$(OBJCOPY) -O binary $@ $@.bin
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@$(OBJCOPY) -O ihex $@ $@.hex
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@$(OBJDUMP) -h -S -C $@ > $@.lss
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@$(NM) -n $@ > $@.sym
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$(BUILD)/%.o: %.c
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@echo " Building file: $<"
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@$(shell mkdir -p $(BUILD)/$(*D))
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@$(CC) -c $(CFLAGS) $< -o $@
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$(BUILD)/%.o: %.s
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@echo " Building file: $<"
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@$(shell mkdir -p $(BUILD)/$(*D))
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@$(CC) -c $(ASFLAGS) $< -o $@
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clean:
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rm -rf $(BUILD)
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openocd:
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$(shell $(OPENOCD) -f scripts/openocd.cfg)
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-include $(shell mkdir -p $(BUILD)/.dep 2> /dev/null) $(wildcard $(BUILD)/.dep/*.d)
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