xref: /openbmc/linux/arch/sh/boot/compressed/Makefile (revision 9a87ffc99ec8eb8d35eed7c4f816d75f5cc9662e)
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 
8 OBJECTS := head_32.o misc.o cache.o piggy.o \
9            ashiftrt.o ashldi3.o ashrsi3.o ashlsi3.o lshrsi3.o
10 
11 targets := vmlinux vmlinux.bin vmlinux.bin.gz vmlinux.bin.bz2 \
12            vmlinux.bin.lzma vmlinux.bin.xz vmlinux.bin.lzo $(OBJECTS)
13 
14 GCOV_PROFILE := n
15 
16 #
17 # IMAGE_OFFSET is the load offset of the compression loader
18 #
19 ifeq ($(CONFIG_32BIT),y)
20 IMAGE_OFFSET	:= $(shell /bin/bash -c 'printf "0x%08x" \
21 		     $$[$(CONFIG_MEMORY_START)  + \
22 			$(CONFIG_BOOT_LINK_OFFSET)]')
23 else
24 IMAGE_OFFSET	:= $(shell /bin/bash -c 'printf "0x%08x" \
25 		     $$[$(CONFIG_PAGE_OFFSET)  + \
26 			$(KERNEL_MEMORY) + \
27 			$(CONFIG_BOOT_LINK_OFFSET)]')
28 endif
29 
30 ccflags-remove-$(CONFIG_MCOUNT) += -pg
31 
32 LDFLAGS_vmlinux := --oformat $(ld-bfd) -Ttext $(IMAGE_OFFSET) -e startup \
33 		   -T $(obj)/../../kernel/vmlinux.lds
34 
35 KBUILD_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 
54 OBJCOPYFLAGS += -R .empty_zero_page
55 
56 LDFLAGS_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