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|
#
# linux/arch/sh/boot/compressed/Makefile
#
# create a compressed vmlinux image from the original vmlinux
#
targets := vmlinux vmlinux.bin vmlinux.bin.gz \
vmlinux.bin.bz2 vmlinux.bin.lzma \
vmlinux.bin.xz vmlinux.bin.lzo \
head_$(BITS).o misc.o piggy.o
OBJECTS = $(obj)/head_$(BITS).o $(obj)/misc.o $(obj)/cache.o
GCOV_PROFILE := n
#
# IMAGE_OFFSET is the load offset of the compression loader
#
ifeq ($(CONFIG_32BIT),y)
IMAGE_OFFSET := $(shell /bin/bash -c 'printf "0x%08x" \
$$[$(CONFIG_MEMORY_START) + \
$(CONFIG_BOOT_LINK_OFFSET)]')
else
IMAGE_OFFSET := $(shell /bin/bash -c 'printf "0x%08x" \
$$[$(CONFIG_PAGE_OFFSET) + \
$(KERNEL_MEMORY) + \
$(CONFIG_BOOT_LINK_OFFSET)]')
endif
ifeq ($(CONFIG_MCOUNT),y)
ORIG_CFLAGS := $(KBUILD_CFLAGS)
KBUILD_CFLAGS = $(subst -pg, , $(ORIG_CFLAGS))
endif
LDFLAGS_vmlinux := --oformat $(ld-bfd) -Ttext $(IMAGE_OFFSET) -e startup \
-T $(obj)/../../kernel/vmlinux.lds
#
# Pull in the necessary libgcc bits from the in-kernel implementation.
#
lib1funcs-$(CONFIG_SUPERH32) := ashiftrt.S ashldi3.c ashrsi3.S ashlsi3.S \
lshrsi3.S
lib1funcs-obj := \
$(addsuffix .o, $(basename $(addprefix $(obj)/, $(lib1funcs-y))))
lib1funcs-dir := $(srctree)/arch/$(SRCARCH)/lib
ifeq ($(BITS),64)
lib1funcs-dir := $(addsuffix $(BITS), $(lib1funcs-dir))
endif
KBUILD_CFLAGS += -I$(lib1funcs-dir) -DDISABLE_BRANCH_PROFILING
$(addprefix $(obj)/,$(lib1funcs-y)): $(obj)/%: $(lib1funcs-dir)/% FORCE
$(call cmd,shipped)
$(obj)/vmlinux: $(OBJECTS) $(obj)/piggy.o $(lib1funcs-obj) FORCE
$(call if_changed,ld)
$(obj)/vmlinux.bin: vmlinux FORCE
$(call if_changed,objcopy)
vmlinux.bin.all-y := $(obj)/vmlinux.bin
$(obj)/vmlinux.bin.gz: $(vmlinux.bin.all-y) FORCE
$(call if_changed,gzip)
$(obj)/vmlinux.bin.bz2: $(vmlinux.bin.all-y) FORCE
$(call if_changed,bzip2)
$(obj)/vmlinux.bin.lzma: $(vmlinux.bin.all-y) FORCE
$(call if_changed,lzma)
$(obj)/vmlinux.bin.xz: $(vmlinux.bin.all-y) FORCE
$(call if_changed,xzkern)
$(obj)/vmlinux.bin.lzo: $(vmlinux.bin.all-y) FORCE
$(call if_changed,lzo)
OBJCOPYFLAGS += -R .empty_zero_page
LDFLAGS_piggy.o := -r --format binary --oformat $(ld-bfd) -T
$(obj)/piggy.o: $(obj)/vmlinux.scr $(obj)/vmlinux.bin.$(suffix-y) FORCE
$(call if_changed,ld)
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