82 lines
2.3 KiB
Makefile
82 lines
2.3 KiB
Makefile
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# SPDX-License-Identifier: GPL-2.0
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#
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# linux/arch/sh/boot/compressed/Makefile
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#
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# create a compressed vmlinux image from the original vmlinux
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#
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targets := vmlinux vmlinux.bin vmlinux.bin.gz \
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vmlinux.bin.bz2 vmlinux.bin.lzma \
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vmlinux.bin.xz vmlinux.bin.lzo \
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head_$(BITS).o misc.o piggy.o
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OBJECTS = $(obj)/head_$(BITS).o $(obj)/misc.o $(obj)/cache.o
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GCOV_PROFILE := n
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#
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# IMAGE_OFFSET is the load offset of the compression loader
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#
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ifeq ($(CONFIG_32BIT),y)
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IMAGE_OFFSET := $(shell /bin/bash -c 'printf "0x%08x" \
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$$[$(CONFIG_MEMORY_START) + \
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$(CONFIG_BOOT_LINK_OFFSET)]')
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else
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IMAGE_OFFSET := $(shell /bin/bash -c 'printf "0x%08x" \
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$$[$(CONFIG_PAGE_OFFSET) + \
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$(KERNEL_MEMORY) + \
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$(CONFIG_BOOT_LINK_OFFSET)]')
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endif
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ifeq ($(CONFIG_MCOUNT),y)
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ORIG_CFLAGS := $(KBUILD_CFLAGS)
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KBUILD_CFLAGS = $(subst -pg, , $(ORIG_CFLAGS))
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endif
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LDFLAGS_vmlinux := --oformat $(ld-bfd) -Ttext $(IMAGE_OFFSET) -e startup \
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-T $(obj)/../../kernel/vmlinux.lds
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#
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# Pull in the necessary libgcc bits from the in-kernel implementation.
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#
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lib1funcs-$(CONFIG_SUPERH32) := ashiftrt.S ashldi3.c ashrsi3.S ashlsi3.S \
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lshrsi3.S
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lib1funcs-obj := \
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$(addsuffix .o, $(basename $(addprefix $(obj)/, $(lib1funcs-y))))
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lib1funcs-dir := $(srctree)/arch/$(SRCARCH)/lib
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ifeq ($(BITS),64)
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lib1funcs-dir := $(addsuffix $(BITS), $(lib1funcs-dir))
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endif
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KBUILD_CFLAGS += -I$(lib1funcs-dir) -DDISABLE_BRANCH_PROFILING
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$(addprefix $(obj)/,$(lib1funcs-y)): $(obj)/%: $(lib1funcs-dir)/% FORCE
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$(call cmd,shipped)
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$(obj)/vmlinux: $(OBJECTS) $(obj)/piggy.o $(lib1funcs-obj) FORCE
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$(call if_changed,ld)
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$(obj)/vmlinux.bin: vmlinux FORCE
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$(call if_changed,objcopy)
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vmlinux.bin.all-y := $(obj)/vmlinux.bin
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$(obj)/vmlinux.bin.gz: $(vmlinux.bin.all-y) FORCE
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$(call if_changed,gzip)
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$(obj)/vmlinux.bin.bz2: $(vmlinux.bin.all-y) FORCE
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$(call if_changed,bzip2)
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$(obj)/vmlinux.bin.lzma: $(vmlinux.bin.all-y) FORCE
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$(call if_changed,lzma)
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$(obj)/vmlinux.bin.xz: $(vmlinux.bin.all-y) FORCE
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$(call if_changed,xzkern)
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$(obj)/vmlinux.bin.lzo: $(vmlinux.bin.all-y) FORCE
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$(call if_changed,lzo)
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OBJCOPYFLAGS += -R .empty_zero_page
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LDFLAGS_piggy.o := -r --format binary --oformat $(ld-bfd) -T
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$(obj)/piggy.o: $(obj)/vmlinux.scr $(obj)/vmlinux.bin.$(suffix-y) FORCE
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$(call if_changed,ld)
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