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 8targets := vmlinux vmlinux.bin vmlinux.bin.gz \ 9 vmlinux.bin.bz2 vmlinux.bin.lzma \ 10 vmlinux.bin.xz vmlinux.bin.lzo \ 11 head_32.o misc.o piggy.o 12 13OBJECTS = $(obj)/head_32.o $(obj)/misc.o $(obj)/cache.o 14 15GCOV_PROFILE := n 16 17# 18# IMAGE_OFFSET is the load offset of the compression loader 19# 20ifeq ($(CONFIG_32BIT),y) 21IMAGE_OFFSET := $(shell /bin/bash -c 'printf "0x%08x" \ 22 $$[$(CONFIG_MEMORY_START) + \ 23 $(CONFIG_BOOT_LINK_OFFSET)]') 24else 25IMAGE_OFFSET := $(shell /bin/bash -c 'printf "0x%08x" \ 26 $$[$(CONFIG_PAGE_OFFSET) + \ 27 $(KERNEL_MEMORY) + \ 28 $(CONFIG_BOOT_LINK_OFFSET)]') 29endif 30 31ccflags-remove-$(CONFIG_MCOUNT) += -pg 32 33LDFLAGS_vmlinux := --oformat $(ld-bfd) -Ttext $(IMAGE_OFFSET) -e startup \ 34 -T $(obj)/../../kernel/vmlinux.lds 35 36# 37# Pull in the necessary libgcc bits from the in-kernel implementation. 38# 39lib1funcs-y := ashiftrt.S ashldi3.c ashrsi3.S ashlsi3.S lshrsi3.S 40lib1funcs-obj := \ 41 $(addsuffix .o, $(basename $(addprefix $(obj)/, $(lib1funcs-y)))) 42 43lib1funcs-dir := $(srctree)/arch/$(SRCARCH)/lib 44 45KBUILD_CFLAGS += -I$(lib1funcs-dir) -DDISABLE_BRANCH_PROFILING 46 47$(addprefix $(obj)/,$(lib1funcs-y)): $(obj)/%: $(lib1funcs-dir)/% FORCE 48 $(call cmd,shipped) 49 50$(obj)/vmlinux: $(OBJECTS) $(obj)/piggy.o $(lib1funcs-obj) FORCE 51 $(call if_changed,ld) 52 53$(obj)/vmlinux.bin: vmlinux FORCE 54 $(call if_changed,objcopy) 55 56vmlinux.bin.all-y := $(obj)/vmlinux.bin 57 58$(obj)/vmlinux.bin.gz: $(vmlinux.bin.all-y) FORCE 59 $(call if_changed,gzip) 60$(obj)/vmlinux.bin.bz2: $(vmlinux.bin.all-y) FORCE 61 $(call if_changed,bzip2) 62$(obj)/vmlinux.bin.lzma: $(vmlinux.bin.all-y) FORCE 63 $(call if_changed,lzma) 64$(obj)/vmlinux.bin.xz: $(vmlinux.bin.all-y) FORCE 65 $(call if_changed,xzkern) 66$(obj)/vmlinux.bin.lzo: $(vmlinux.bin.all-y) FORCE 67 $(call if_changed,lzo) 68 69OBJCOPYFLAGS += -R .empty_zero_page 70 71LDFLAGS_piggy.o := -r --format binary --oformat $(ld-bfd) -T 72 73$(obj)/piggy.o: $(obj)/vmlinux.scr $(obj)/vmlinux.bin.$(suffix-y) FORCE 74 $(call if_changed,ld) 75