#
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# linux/arch/unicore32/boot/compressed/Makefile
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#
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# create a compressed vmlinuz image from the original vmlinux
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#
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# This file is subject to the terms and conditions of the GNU General Public
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# License. See the file "COPYING" in the main directory of this archive
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# for more details.
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#
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# Copyright (C) 2001~2010 GUAN Xue-tao
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#
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ccflags-y := -fpic -fno-builtin
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asflags-y := -Wa,-march=all
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OBJS := misc.o
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# font.c and font.o
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CFLAGS_font.o := -Dstatic=
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$(obj)/font.c: $(srctree)/lib/fonts/font_8x8.c
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$(call cmd,shipped)
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# piggy.S and piggy.o
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suffix_$(CONFIG_KERNEL_GZIP) := gzip
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suffix_$(CONFIG_KERNEL_BZIP2) := bz2
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suffix_$(CONFIG_KERNEL_LZO) := lzo
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suffix_$(CONFIG_KERNEL_LZMA) := lzma
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$(obj)/piggy.$(suffix_y): $(obj)/../Image FORCE
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$(call if_changed,$(suffix_y))
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SEDFLAGS_piggy = s/DECOMP_SUFFIX/$(suffix_y)/
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$(obj)/piggy.S: $(obj)/piggy.S.in
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@sed "$(SEDFLAGS_piggy)" < $< > $@
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$(obj)/piggy.o: $(obj)/piggy.$(suffix_y) $(obj)/piggy.S FORCE
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targets := vmlinux vmlinux.lds font.o font.c head.o misc.o \
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piggy.$(suffix_y) piggy.o piggy.S \
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# Make sure files are removed during clean
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extra-y += piggy.gzip piggy.bz2 piggy.lzo piggy.lzma
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# ?
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LDFLAGS_vmlinux += -p
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# Report unresolved symbol references
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LDFLAGS_vmlinux += --no-undefined
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# Delete all temporary local symbols
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LDFLAGS_vmlinux += -X
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# Next argument is a linker script
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LDFLAGS_vmlinux += -T
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# For uidivmod
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$(obj)/vmlinux: $(obj)/vmlinux.lds $(obj)/head.o $(obj)/piggy.o \
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$(obj)/misc.o FORCE
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$(call if_changed,ld)
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# We now have a PIC decompressor implementation. Decompressors running
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# from RAM should not define ZTEXTADDR. Decompressors running directly
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# from ROM or Flash must define ZTEXTADDR (preferably via the config)
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ZTEXTADDR := 0x03000000
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ZBSSADDR := ALIGN(4)
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SEDFLAGS_lds = s/TEXT_START/$(ZTEXTADDR)/;s/BSS_START/$(ZBSSADDR)/
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$(obj)/vmlinux.lds: $(obj)/vmlinux.lds.in arch/unicore32/boot/Makefile $(KCONFIG_CONFIG)
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@sed "$(SEDFLAGS_lds)" < $< > $@
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