#
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#
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# linux/arch/arm/boot/compressed/Makefile
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# linux/arch/arm/boot/compressed/Makefile
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#
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#
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# create a compressed vmlinuz image from the original vmlinux
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# create a compressed vmlinuz image from the original vmlinux
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#
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#
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# With this config, max compressed image size = 640k
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# With this config, max compressed image size = 640k
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# Uncompressed image size = 1.3M (text+data)
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# Uncompressed image size = 1.3M (text+data)
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HEAD = head.o
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HEAD = head.o
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SYSTEM = $(TOPDIR)/vmlinux
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SYSTEM = $(TOPDIR)/vmlinux
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OBJS = $(HEAD) misc.o $(COMPRESSED_EXTRA)
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OBJS = $(HEAD) misc.o $(COMPRESSED_EXTRA)
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CFLAGS = -O2 -DSTDC_HEADERS $(CFLAGS_PROC)
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CFLAGS = -O2 -DSTDC_HEADERS $(CFLAGS_PROC)
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ARFLAGS = rc
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ARFLAGS = rc
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all: vmlinux
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all: vmlinux
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vmlinux: piggy.o $(OBJS)
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vmlinux: piggy.o $(OBJS)
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$(LD) $(ZLINKFLAGS) -o vmlinux $(OBJS) piggy.o
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$(LD) $(ZLINKFLAGS) -o vmlinux $(OBJS) piggy.o
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head.o: head.S
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head.o: head.S
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$(CC) -traditional -DLOADADDR=$(ZRELADDR) -c head.S
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$(CC) -traditional -DLOADADDR=$(ZRELADDR) -c head.S
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piggy.o: $(SYSTEM) xtract piggyback
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piggy.o: $(SYSTEM) xtract piggyback
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./xtract $(SYSTEM) | gzip -9 | ./piggyback > $@
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./xtract $(SYSTEM) | gzip -9 | ./piggyback > $@
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# rules for extracting & piggybacking the kernel
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# rules for extracting & piggybacking the kernel
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xtract: xtract.c
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xtract: xtract.c
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$(HOSTCC) $(HOSTCFLAGS) -o xtract xtract.c
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$(HOSTCC) $(HOSTCFLAGS) -o xtract xtract.c
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piggyback: piggyback.c
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piggyback: piggyback.c
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$(HOSTCC) $(HOSTCFLAGS) -o piggyback piggyback.c
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$(HOSTCC) $(HOSTCFLAGS) -o piggyback piggyback.c
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clean:
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clean:
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rm -f xtract piggyback vmlinux core
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rm -f xtract piggyback vmlinux core
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