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41 lines
854 B
Makefile
41 lines
854 B
Makefile
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#
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# linux/arch/etrax100/boot/compressed/Makefile
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#
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# create a compressed vmlinux image from the original vmlinux files and romfs
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#
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CC = gcc-cris -melf -I $(TOPDIR)/include
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CFLAGS = -O2
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LD = ld-cris
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OBJCOPY = objcopy-cris
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OBJCOPYFLAGS = -O binary --remove-section=.bss
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OBJECTS = head.o misc.o
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# files to compress
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SYSTEM = $(TOPDIR)/vmlinux.bin
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all: vmlinuz
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decompress.bin: $(OBJECTS)
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$(LD) -T decompress.ld -o decompress.o $(OBJECTS)
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$(OBJCOPY) $(OBJCOPYFLAGS) decompress.o decompress.bin
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# save it for mkprod in the topdir.
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cp decompress.bin $(TOPDIR)
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vmlinuz: piggy.img decompress.bin
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cat decompress.bin piggy.img > vmlinuz
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rm -f piggy.img
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head.o: head.S
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$(CC) -D__ASSEMBLY__ -traditional -c head.S -o head.o
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# gzip the kernel image
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piggy.img: $(SYSTEM)
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cat $(SYSTEM) | gzip -f -9 > piggy.img
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clean:
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rm -f piggy.img vmlinuz vmlinuz.o
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