40 lines
729 B
Makefile
40 lines
729 B
Makefile
MAKE := make
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MAKEFLAGS += -j 8
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ARCH := aarch64
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GNU := $(ARCH)-linux-gnu
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CC := $(GNU)-gcc
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CCFLAGS += -Wall -Wextra -O0 \
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-nostdinc -nostdlib -nostartfiles -nodefaultlibs \
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-Wno-unused-parameter -Wno-unused-value -Wno-main -g
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LD := $(GNU)-ld
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LDFLAGS += -g -nostdlib -no-pie
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OBJCOPY := $(GNU)-objcopy
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LD_SCRIPT := linker.ld
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SRCS := $(shell find . -name '*.[cS]')
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OBJS := $(SRCS:%=%.o)
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.PHONY: all
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all: userprog
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userprog: userprog.elf
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$(OBJCOPY) -O binary $< $@
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userprog.elf: $(LD_SCRIPT) $(OBJS)
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$(LD) -o $@ -T $(LD_SCRIPT) $(OBJS) $(LDFLAGS)
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%.S.o: %.S
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mkdir -p $(dir $@)
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$(CC) -c $< -o $@ $(CCFLAGS)
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%.c.o: %.c
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mkdir -p $(dir $@)
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$(CC) -c $< -o $@ $(CCFLAGS)
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clean:
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-rm $(OBJS) userprog userprog.elf
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