1*4882a593Smuzhiyun# SPDX-License-Identifier: GPL-2.0 2*4882a593Smuzhiyun# 3*4882a593Smuzhiyun# linux/arch/sh/boot/compressed/Makefile 4*4882a593Smuzhiyun# 5*4882a593Smuzhiyun# create a compressed vmlinux image from the original vmlinux 6*4882a593Smuzhiyun# 7*4882a593Smuzhiyun 8*4882a593Smuzhiyuntargets := vmlinux vmlinux.bin vmlinux.bin.gz \ 9*4882a593Smuzhiyun vmlinux.bin.bz2 vmlinux.bin.lzma \ 10*4882a593Smuzhiyun vmlinux.bin.xz vmlinux.bin.lzo \ 11*4882a593Smuzhiyun head_32.o misc.o piggy.o 12*4882a593Smuzhiyun 13*4882a593SmuzhiyunOBJECTS = $(obj)/head_32.o $(obj)/misc.o $(obj)/cache.o 14*4882a593Smuzhiyun 15*4882a593SmuzhiyunGCOV_PROFILE := n 16*4882a593Smuzhiyun 17*4882a593Smuzhiyun# 18*4882a593Smuzhiyun# IMAGE_OFFSET is the load offset of the compression loader 19*4882a593Smuzhiyun# 20*4882a593Smuzhiyunifeq ($(CONFIG_32BIT),y) 21*4882a593SmuzhiyunIMAGE_OFFSET := $(shell /bin/bash -c 'printf "0x%08x" \ 22*4882a593Smuzhiyun $$[$(CONFIG_MEMORY_START) + \ 23*4882a593Smuzhiyun $(CONFIG_BOOT_LINK_OFFSET)]') 24*4882a593Smuzhiyunelse 25*4882a593SmuzhiyunIMAGE_OFFSET := $(shell /bin/bash -c 'printf "0x%08x" \ 26*4882a593Smuzhiyun $$[$(CONFIG_PAGE_OFFSET) + \ 27*4882a593Smuzhiyun $(KERNEL_MEMORY) + \ 28*4882a593Smuzhiyun $(CONFIG_BOOT_LINK_OFFSET)]') 29*4882a593Smuzhiyunendif 30*4882a593Smuzhiyun 31*4882a593Smuzhiyunccflags-remove-$(CONFIG_MCOUNT) += -pg 32*4882a593Smuzhiyun 33*4882a593SmuzhiyunLDFLAGS_vmlinux := --oformat $(ld-bfd) -Ttext $(IMAGE_OFFSET) -e startup \ 34*4882a593Smuzhiyun -T $(obj)/../../kernel/vmlinux.lds 35*4882a593Smuzhiyun 36*4882a593Smuzhiyun# 37*4882a593Smuzhiyun# Pull in the necessary libgcc bits from the in-kernel implementation. 38*4882a593Smuzhiyun# 39*4882a593Smuzhiyunlib1funcs-y := ashiftrt.S ashldi3.c ashrsi3.S ashlsi3.S lshrsi3.S 40*4882a593Smuzhiyunlib1funcs-obj := \ 41*4882a593Smuzhiyun $(addsuffix .o, $(basename $(addprefix $(obj)/, $(lib1funcs-y)))) 42*4882a593Smuzhiyun 43*4882a593Smuzhiyunlib1funcs-dir := $(srctree)/arch/$(SRCARCH)/lib 44*4882a593Smuzhiyun 45*4882a593SmuzhiyunKBUILD_CFLAGS += -I$(lib1funcs-dir) -DDISABLE_BRANCH_PROFILING 46*4882a593Smuzhiyun 47*4882a593Smuzhiyun$(addprefix $(obj)/,$(lib1funcs-y)): $(obj)/%: $(lib1funcs-dir)/% FORCE 48*4882a593Smuzhiyun $(call cmd,shipped) 49*4882a593Smuzhiyun 50*4882a593Smuzhiyun$(obj)/vmlinux: $(OBJECTS) $(obj)/piggy.o $(lib1funcs-obj) FORCE 51*4882a593Smuzhiyun $(call if_changed,ld) 52*4882a593Smuzhiyun 53*4882a593Smuzhiyun$(obj)/vmlinux.bin: vmlinux FORCE 54*4882a593Smuzhiyun $(call if_changed,objcopy) 55*4882a593Smuzhiyun 56*4882a593Smuzhiyunvmlinux.bin.all-y := $(obj)/vmlinux.bin 57*4882a593Smuzhiyun 58*4882a593Smuzhiyun$(obj)/vmlinux.bin.gz: $(vmlinux.bin.all-y) FORCE 59*4882a593Smuzhiyun $(call if_changed,gzip) 60*4882a593Smuzhiyun$(obj)/vmlinux.bin.bz2: $(vmlinux.bin.all-y) FORCE 61*4882a593Smuzhiyun $(call if_changed,bzip2) 62*4882a593Smuzhiyun$(obj)/vmlinux.bin.lzma: $(vmlinux.bin.all-y) FORCE 63*4882a593Smuzhiyun $(call if_changed,lzma) 64*4882a593Smuzhiyun$(obj)/vmlinux.bin.xz: $(vmlinux.bin.all-y) FORCE 65*4882a593Smuzhiyun $(call if_changed,xzkern) 66*4882a593Smuzhiyun$(obj)/vmlinux.bin.lzo: $(vmlinux.bin.all-y) FORCE 67*4882a593Smuzhiyun $(call if_changed,lzo) 68*4882a593Smuzhiyun 69*4882a593SmuzhiyunOBJCOPYFLAGS += -R .empty_zero_page 70*4882a593Smuzhiyun 71*4882a593SmuzhiyunLDFLAGS_piggy.o := -r --format binary --oformat $(ld-bfd) -T 72*4882a593Smuzhiyun 73*4882a593Smuzhiyun$(obj)/piggy.o: $(obj)/vmlinux.scr $(obj)/vmlinux.bin.$(suffix-y) FORCE 74*4882a593Smuzhiyun $(call if_changed,ld) 75