1 # SPDX-License-Identifier: GPL-2.0 2 # 3 # linux/arch/sh/boot/compressed/Makefile 4 # 5 # create a compressed vmlinux image from the original vmlinux 6 # 7 8 OBJECTS := head_32.o misc.o piggy.o \ 9 ashiftrt.o ashldi3.o ashrsi3.o ashlsi3.o lshrsi3.o 10 11 targets := vmlinux vmlinux.bin vmlinux.bin.gz vmlinux.bin.bz2 \ 12 vmlinux.bin.lzma vmlinux.bin.xz vmlinux.bin.lzo $(OBJECTS) 13 14 # 15 # IMAGE_OFFSET is the load offset of the compression loader 16 # 17 ifeq ($(CONFIG_32BIT),y) 18 IMAGE_OFFSET := $(shell /bin/bash -c 'printf "0x%08x" \ 19 $$[$(CONFIG_MEMORY_START) + \ 20 $(CONFIG_BOOT_LINK_OFFSET)]') 21 else 22 IMAGE_OFFSET := $(shell /bin/bash -c 'printf "0x%08x" \ 23 $$[$(CONFIG_PAGE_OFFSET) + \ 24 $(KERNEL_MEMORY) + \ 25 $(CONFIG_BOOT_LINK_OFFSET)]') 26 endif 27 28 ccflags-remove-$(CONFIG_MCOUNT) += -pg 29 30 LDFLAGS_vmlinux := --oformat $(ld-bfd) -Ttext $(IMAGE_OFFSET) -e startup \ 31 -T $(obj)/../../kernel/vmlinux.lds 32 33 KBUILD_CFLAGS += -DDISABLE_BRANCH_PROFILING 34 35 $(obj)/vmlinux: $(addprefix $(obj)/, $(OBJECTS)) FORCE 36 $(call if_changed,ld) 37 38 $(obj)/vmlinux.bin: vmlinux FORCE 39 $(call if_changed,objcopy) 40 41 $(obj)/vmlinux.bin.gz: $(obj)/vmlinux.bin FORCE 42 $(call if_changed,gzip) 43 $(obj)/vmlinux.bin.bz2: $(obj)/vmlinux.bin FORCE 44 $(call if_changed,bzip2_with_size) 45 $(obj)/vmlinux.bin.lzma: $(obj)/vmlinux.bin FORCE 46 $(call if_changed,lzma_with_size) 47 $(obj)/vmlinux.bin.xz: $(obj)/vmlinux.bin FORCE 48 $(call if_changed,xzkern_with_size) 49 $(obj)/vmlinux.bin.lzo: $(obj)/vmlinux.bin FORCE 50 $(call if_changed,lzo_with_size) 51 52 OBJCOPYFLAGS += -R .empty_zero_page 53 54 LDFLAGS_piggy.o := -r --format binary --oformat $(ld-bfd) -T 55 56 $(obj)/piggy.o: $(obj)/vmlinux.scr $(obj)/vmlinux.bin.$(suffix_y) FORCE 57 $(call if_changed,ld)
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