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74 lines
2.1 KiB
74 lines
2.1 KiB
# 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_32.o misc.o piggy.o |
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OBJECTS = $(obj)/head_32.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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$(CONFIG_BOOT_LINK_OFFSET)]') |
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endif |
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ccflags-remove-$(CONFIG_MCOUNT) += -pg |
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LDFLAGS_vmlinux := --oformat $(ld-bfd) -Ttext $(IMAGE_OFFSET) -e startup \ |
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-T $(obj)/../../kernel/vmlinux.lds |
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# |
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# Pull in the necessary libgcc bits from the in-kernel implementation. |
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# |
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lib1funcs-y := ashiftrt.S ashldi3.c ashrsi3.S ashlsi3.S lshrsi3.S |
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lib1funcs-obj := \ |
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$(addsuffix .o, $(basename $(addprefix $(obj)/, $(lib1funcs-y)))) |
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lib1funcs-dir := $(srctree)/arch/$(SRCARCH)/lib |
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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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