xref: /linux/arch/sh/boot/compressed/Makefile (revision 9abd613a85af72fa560e49d9a0acc5b872840c72) 
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
8OBJECTS := head_32.o misc.o cache.o piggy.o \
9           ashiftrt.o ashldi3.o ashrsi3.o ashlsi3.o lshrsi3.o
10
11targets := vmlinux vmlinux.bin vmlinux.bin.gz vmlinux.bin.bz2 \
12           vmlinux.bin.lzma vmlinux.bin.xz vmlinux.bin.lzo $(OBJECTS)
13
14GCOV_PROFILE := n
15UBSAN_SANITIZE := n
16
17#
18# IMAGE_OFFSET is the load offset of the compression loader
19#
20ifeq ($(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 $(obj)/../../kernel/vmlinux.lds
35
36KBUILD_CFLAGS += -DDISABLE_BRANCH_PROFILING
37
38$(obj)/vmlinux: $(addprefix $(obj)/, $(OBJECTS)) FORCE
39	$(call if_changed,ld)
40
41$(obj)/vmlinux.bin: vmlinux FORCE
42	$(call if_changed,objcopy)
43
44$(obj)/vmlinux.bin.gz: $(obj)/vmlinux.bin FORCE
45	$(call if_changed,gzip)
46$(obj)/vmlinux.bin.bz2: $(obj)/vmlinux.bin FORCE
47	$(call if_changed,bzip2_with_size)
48$(obj)/vmlinux.bin.lzma: $(obj)/vmlinux.bin FORCE
49	$(call if_changed,lzma_with_size)
50$(obj)/vmlinux.bin.xz: $(obj)/vmlinux.bin FORCE
51	$(call if_changed,xzkern_with_size)
52$(obj)/vmlinux.bin.lzo: $(obj)/vmlinux.bin FORCE
53	$(call if_changed,lzo_with_size)
54
55OBJCOPYFLAGS += -R .empty_zero_page
56
57LDFLAGS_piggy.o := -r --format binary --oformat $(ld-bfd) -T
58
59$(obj)/piggy.o: $(obj)/vmlinux.scr $(obj)/vmlinux.bin.$(suffix_y) FORCE
60	$(call if_changed,ld)
61