120 lines
3.4 KiB
Makefile
120 lines
3.4 KiB
Makefile
RM= rm
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CC= $(CONFIG_TARGET_CC)
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AS= $(CONFIG_TARGET_CC)
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# NOTE(dinosaure): we must use [aarch64-none-elf-gcc] to compile assembly code
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# to be able to include some files and define some macros.
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LD= $(CONFIG_TARGET_LD)
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AR= aarch64-none-elf-ar # TODO
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OBJDUMP= aarch64-none-elf-objdump # TODO
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OBJCOPY= $(CONFIG_TARGET_OBJCOPY)
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export TOPDIR := $(abspath .)
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$(TOPDIR)/Makeconf:
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$(error Makeconf not found, please run ./configure.sh)
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include $(TOPDIR)/Makeconf
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# armstub8.bin: armstub8.S
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# @echo "CC -DGIC=1 $<"
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# @$(CC) -DGIC=1 -o ${<:S=o} -c $<
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# @echo "LD --section-start=.text=0 ${<:S=o}"
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# @$(LD) --section-start=.text=0 -o ${<:S=elf} ${<:S=o}
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# @echo "DUMP ${<:S=elf}"
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# @$(OBJDUMP) -D ${<:S=elf} > ${<:S=lst}
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# @echo "COPY ${<:S=elf}"
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# @$(OBJCOPY) ${<:S=elf} -O binary $@
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include/$(CONFIG_TARGET_TRIPLE):
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@echo "GEN $@"
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@./gen-headers.sh $@
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CPU ?= -mcpu=cortex-a76 -mlittle-endian
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ARCH += -DAARCH=64 $(CPU)
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TARGET ?= kernel_2712
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DEFINE += -DSSP_GUARD_SYMBOL=__stack_chk_guard \
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-DSSP_FAIL_SYMBOL=__stack_chk_fail
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INCLUDE += -I $(TOPDIR)/include -I $(TOPDIR)/include/$(CONFIG_TARGET_TRIPLE) \
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-I $(TOPDIR)/nolibc/include
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AFLAGS += $(ARCH) $(DEFINE) $(INCLUDE)
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CFLAGS += -std=c11 -ffreestanding -fstack-protector-strong -nostdlib \
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-nostartfiles -mstrict-align -Wall \
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$(ARCH) $(DEFINE) $(INCLUDE) $(CONFIG_TARGET_CC_CFLAGS)
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LDFLAGS += -nostdlib -static -Wl,--no-warn-rwx-segments \
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-Wl,--section-start=.init=0x80000 -Wl,--build-id=none \
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-Wl,--start-group -L . -lgilbraltar -L nolibc -lnolibc -L openlibm -lopenlibm -lgcc -Wl,--end-group
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SRCS= kernel.c timer.c led.c interrupt_handler.c exception_handler.c \
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mbox.c clock.c crt.c serial.c log.c
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ASMS= startup.S exception_stub.S
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OBJS= $(SRCS:c=o) $(ASMS:S=o)
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%.o: %.S
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@echo "AS $@"
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@$(AS) $(AFLAGS) -c -o $@ $<
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%.o: %.c include/$(CONFIG_TARGET_TRIPLE)
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@echo "CC $@"
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@$(CC) $(CFLAGS) -c -o $@ $<
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libgilbraltar.a: $(OBJS)
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@echo "AR $@"
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@rm -f $@
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@$(AR) cr $@ $^
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.PHONY: phony-openlibm
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phony-openlibm: include/$(CONFIG_TARGET_TRIPLE)
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@$(MAKE) -C openlibm \
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"CC=$(CC)" "CPPFLAGS=$(CFLAGS)" libopenlibm.a
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openlibm/libopenlibm.a: phony-openlibm
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NOLIBC_CFLAGS= $(CFLAGS) -I $(TOPDIR)/nolibc/include -I $(TOPDIR)/openlibm/src -I $(TOPDIR)/openlibm/include
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.PHONY: phony-nolibc
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phony-nolibc: include/$(CONFIG_TARGET_TRIPLE)
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$(MAKE) -C nolibc libnolibc.a \
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"CC=$(CC)" "FREESTANDING_CFLAGS=$(NOLIBC_CFLAGS)"
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nolibc/libnolibc.a: phony-nolibc
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.PHONY: all
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all: libgilbraltar.a
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.PHONY: clean
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clean:
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$(RM) -f *.o *.a *.elf *.bin *.lst *.img
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$(RM) -rf include/$(CONFIG_TARGET_TRIPLE)
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$(RM) -f test/*.o
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$(MAKE) -C openlibm clean
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$(MAKE) -C nolibc clean FREESTANDING_CFLAGS=_
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.PHONY: distclean
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distclean: clean
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$(RM) -f Makeconf
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test/%.o: test/%.c
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@echo "CC $@"
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@$(CC) $(CFLAGS) -c -o $@ $<
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test01.img: libgilbraltar.a nolibc/libnolibc.a openlibm/libopenlibm.a test/test01.o
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@echo "LD ${@:img=elf}"
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@$(LD) test/${@:img=o} -o ${@:img=elf} $(LDFLAGS) -Wl,-T gilbraltar.ld
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@$(OBJCOPY) ${@:img=elf} -O binary $@
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test02.img: libgilbraltar.a nolibc/libnolibc.a openlibm/libopenlibm.a test/test02.o
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@echo "LD ${@:img=elf}"
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@$(LD) test/${@:img=o} -o ${@:img=elf} $(LDFLAGS) -Wl,-T gilbraltar.ld
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@$(OBJCOPY) ${@:img=elf} -O binary $@
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test03.img: libgilbraltar.a nolibc/libnolibc.a openlibm/libopenlibm.a test/test03.o
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@echo "LD ${@:img=elf}"
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@$(LD) test/${@:img=o} -o ${@:img=elf} $(LDFLAGS) -Wl,-T gilbraltar.ld
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@$(OBJCOPY) ${@:img=elf} -O binary $@
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