xref: /openbmc/linux/arch/sh/boot/compressed/Makefile (revision e4624435) 
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 $(OBJECTS)
13
14GCOV_PROFILE := n
15
16#
17# IMAGE_OFFSET is the load offset of the compression loader
18#
19ifeq ($(CONFIG_32BIT),y)
20IMAGE_OFFSET	:= $(shell /bin/bash -c 'printf "0x%08x" \
21		     $$[$(CONFIG_MEMORY_START)  + \
22			$(CONFIG_BOOT_LINK_OFFSET)]')
23else
24IMAGE_OFFSET	:= $(shell /bin/bash -c 'printf "0x%08x" \
25		     $$[$(CONFIG_PAGE_OFFSET)  + \
26			$(KERNEL_MEMORY) + \
27			$(CONFIG_BOOT_LINK_OFFSET)]')
28endif
29
30ccflags-remove-$(CONFIG_MCOUNT) += -pg
31
32LDFLAGS_vmlinux := --oformat $(ld-bfd) -Ttext $(IMAGE_OFFSET) -e startup \
33		   -T $(obj)/../../kernel/vmlinux.lds
34
35KBUILD_CFLAGS += -DDISABLE_BRANCH_PROFILING
36
37$(obj)/vmlinux: $(addprefix $(obj)/, $(OBJECTS)) FORCE
38	$(call if_changed,ld)
39
40$(obj)/vmlinux.bin: vmlinux FORCE
41	$(call if_changed,objcopy)
42
43$(obj)/vmlinux.bin.gz: $(obj)/vmlinux.bin FORCE
44	$(call if_changed,gzip)
45$(obj)/vmlinux.bin.bz2: $(obj)/vmlinux.bin FORCE
46	$(call if_changed,bzip2_with_size)
47$(obj)/vmlinux.bin.lzma: $(obj)/vmlinux.bin FORCE
48	$(call if_changed,lzma_with_size)
49$(obj)/vmlinux.bin.xz: $(obj)/vmlinux.bin FORCE
50	$(call if_changed,xzkern_with_size)
51$(obj)/vmlinux.bin.lzo: $(obj)/vmlinux.bin FORCE
52	$(call if_changed,lzo_with_size)
53
54OBJCOPYFLAGS += -R .empty_zero_page
55
56LDFLAGS_piggy.o := -r --format binary --oformat $(ld-bfd) -T
57
58$(obj)/piggy.o: $(obj)/vmlinux.scr $(obj)/vmlinux.bin.$(suffix_y) FORCE
59	$(call if_changed,ld)
60