1 # SPDX-License-Identifier: GPL-2.0
3 # linux/arch/sh/boot/compressed/Makefile
5 # create a compressed vmlinux image from the original vmlinux
8 targets := 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
13 OBJECTS = $(obj)/head_32.o $(obj)/misc.o $(obj)/cache.o
18 # IMAGE_OFFSET is the load offset of the compression loader
20 ifeq ($(CONFIG_32BIT),y)
21 IMAGE_OFFSET := $(shell /bin/bash -c 'printf "0x%08x" \
22 $$[$(CONFIG_MEMORY_START) + \
23 $(CONFIG_BOOT_LINK_OFFSET)]')
25 IMAGE_OFFSET := $(shell /bin/bash -c 'printf "0x%08x" \
26 $$[$(CONFIG_PAGE_OFFSET) + \
28 $(CONFIG_BOOT_LINK_OFFSET)]')
31 ccflags-remove-$(CONFIG_MCOUNT) += -pg
33 LDFLAGS_vmlinux := --oformat $(ld-bfd) -Ttext $(IMAGE_OFFSET) -e startup \
34 -T $(obj)/../../kernel/vmlinux.lds
37 # Pull in the necessary libgcc bits from the in-kernel implementation.
39 lib1funcs-y := ashiftrt.S ashldi3.c ashrsi3.S ashlsi3.S lshrsi3.S
41 $(addsuffix .o, $(basename $(addprefix $(obj)/, $(lib1funcs-y))))
43 lib1funcs-dir := $(srctree)/arch/$(SRCARCH)/lib
45 KBUILD_CFLAGS += -I$(lib1funcs-dir) -DDISABLE_BRANCH_PROFILING
47 $(addprefix $(obj)/,$(lib1funcs-y)): $(obj)/%: $(lib1funcs-dir)/% FORCE
50 $(obj)/vmlinux: $(OBJECTS) $(obj)/piggy.o $(lib1funcs-obj) FORCE
53 $(obj)/vmlinux.bin: vmlinux FORCE
54 $(call if_changed,objcopy)
56 vmlinux.bin.all-y := $(obj)/vmlinux.bin
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)
69 OBJCOPYFLAGS += -R .empty_zero_page
71 LDFLAGS_piggy.o := -r --format binary --oformat $(ld-bfd) -T
73 $(obj)/piggy.o: $(obj)/vmlinux.scr $(obj)/vmlinux.bin.$(suffix-y) FORCE