5113f6f70
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kernel add
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#
# linux/arch/unicore32/boot/compressed/Makefile
#
# create a compressed vmlinuz image from the original vmlinux
#
# This file is subject to the terms and conditions of the GNU General Public
# License. See the file "COPYING" in the main directory of this archive
# for more details.
#
# Copyright (C) 2001~2010 GUAN Xue-tao
#
ccflags-y := -fpic -fno-builtin
asflags-y := -Wa,-march=all
OBJS := misc.o
# font.c and font.o
CFLAGS_font.o := -Dstatic=
$(obj)/font.c: $(srctree)/lib/fonts/font_8x8.c
$(call cmd,shipped)
# piggy.S and piggy.o
suffix_$(CONFIG_KERNEL_GZIP) := gzip
suffix_$(CONFIG_KERNEL_BZIP2) := bz2
suffix_$(CONFIG_KERNEL_LZO) := lzo
suffix_$(CONFIG_KERNEL_LZMA) := lzma
$(obj)/piggy.$(suffix_y): $(obj)/../Image FORCE
$(call if_changed,$(suffix_y))
SEDFLAGS_piggy = s/DECOMP_SUFFIX/$(suffix_y)/
$(obj)/piggy.S: $(obj)/piggy.S.in
@sed "$(SEDFLAGS_piggy)" < $< > $@
$(obj)/piggy.o: $(obj)/piggy.$(suffix_y) $(obj)/piggy.S FORCE
targets := vmlinux vmlinux.lds font.o font.c head.o misc.o \
piggy.$(suffix_y) piggy.o piggy.S \
# Make sure files are removed during clean
extra-y += piggy.gzip piggy.bz2 piggy.lzo piggy.lzma
# ?
LDFLAGS_vmlinux += -p
# Report unresolved symbol references
LDFLAGS_vmlinux += --no-undefined
# Delete all temporary local symbols
LDFLAGS_vmlinux += -X
# Next argument is a linker script
LDFLAGS_vmlinux += -T
# For uidivmod
$(obj)/vmlinux: $(obj)/vmlinux.lds $(obj)/head.o $(obj)/piggy.o \
$(obj)/misc.o FORCE
$(call if_changed,ld)
@:
# We now have a PIC decompressor implementation. Decompressors running
# from RAM should not define ZTEXTADDR. Decompressors running directly
# from ROM or Flash must define ZTEXTADDR (preferably via the config)
ZTEXTADDR := 0x03000000
ZBSSADDR := ALIGN(4)
SEDFLAGS_lds = s/TEXT_START/$(ZTEXTADDR)/;s/BSS_START/$(ZBSSADDR)/
$(obj)/vmlinux.lds: $(obj)/vmlinux.lds.in arch/unicore32/boot/Makefile $(KCONFIG_CONFIG)
@sed "$(SEDFLAGS_lds)" < $< > $@
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