Mention branches and keyring.
[releases.git] / sh / boot / compressed / Makefile
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 # These were previously generated files. When you are building the kernel
12 # with O=, make sure to remove the stale files in the output tree. Otherwise,
13 # the build system wrongly compiles the stale ones.
14 ifdef building_out_of_srctree
15 $(shell rm -f $(addprefix $(obj)/, ashiftrt.S ashldi3.c ashrsi3.S ashlsi3.S lshrsi3.S))
16 endif
17
18 targets := vmlinux vmlinux.bin vmlinux.bin.gz vmlinux.bin.bz2 \
19            vmlinux.bin.lzma vmlinux.bin.xz vmlinux.bin.lzo $(OBJECTS)
20
21 GCOV_PROFILE := n
22
23 #
24 # IMAGE_OFFSET is the load offset of the compression loader
25 #
26 ifeq ($(CONFIG_32BIT),y)
27 IMAGE_OFFSET    := $(shell /bin/bash -c 'printf "0x%08x" \
28                      $$[$(CONFIG_MEMORY_START)  + \
29                         $(CONFIG_BOOT_LINK_OFFSET)]')
30 else
31 IMAGE_OFFSET    := $(shell /bin/bash -c 'printf "0x%08x" \
32                      $$[$(CONFIG_PAGE_OFFSET)  + \
33                         $(KERNEL_MEMORY) + \
34                         $(CONFIG_BOOT_LINK_OFFSET)]')
35 endif
36
37 ccflags-remove-$(CONFIG_MCOUNT) += -pg
38
39 LDFLAGS_vmlinux := --oformat $(ld-bfd) -Ttext $(IMAGE_OFFSET) -e startup \
40                    -T $(obj)/../../kernel/vmlinux.lds
41
42 KBUILD_CFLAGS += -DDISABLE_BRANCH_PROFILING
43
44 $(obj)/vmlinux: $(addprefix $(obj)/, $(OBJECTS)) FORCE
45         $(call if_changed,ld)
46
47 $(obj)/vmlinux.bin: vmlinux FORCE
48         $(call if_changed,objcopy)
49
50 $(obj)/vmlinux.bin.gz: $(obj)/vmlinux.bin FORCE
51         $(call if_changed,gzip)
52 $(obj)/vmlinux.bin.bz2: $(obj)/vmlinux.bin FORCE
53         $(call if_changed,bzip2_with_size)
54 $(obj)/vmlinux.bin.lzma: $(obj)/vmlinux.bin FORCE
55         $(call if_changed,lzma_with_size)
56 $(obj)/vmlinux.bin.xz: $(obj)/vmlinux.bin FORCE
57         $(call if_changed,xzkern_with_size)
58 $(obj)/vmlinux.bin.lzo: $(obj)/vmlinux.bin FORCE
59         $(call if_changed,lzo_with_size)
60
61 OBJCOPYFLAGS += -R .empty_zero_page
62
63 LDFLAGS_piggy.o := -r --format binary --oformat $(ld-bfd) -T
64
65 $(obj)/piggy.o: $(obj)/vmlinux.scr $(obj)/vmlinux.bin.$(suffix_y) FORCE
66         $(call if_changed,ld)