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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
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.
14ifdef building_out_of_srctree
15$(shell rm -f $(addprefix $(obj)/, ashiftrt.S ashldi3.c ashrsi3.S ashlsi3.S lshrsi3.S))
16endif
17
18targets := vmlinux vmlinux.bin vmlinux.bin.gz vmlinux.bin.bz2 \
19 vmlinux.bin.lzma vmlinux.bin.xz vmlinux.bin.lzo $(OBJECTS)
20
21GCOV_PROFILE := n
22
23#
24# IMAGE_OFFSET is the load offset of the compression loader
25#
26ifeq ($(CONFIG_32BIT),y)
27IMAGE_OFFSET := $(shell /bin/bash -c 'printf "0x%08x" \
28 $$[$(CONFIG_MEMORY_START) + \
29 $(CONFIG_BOOT_LINK_OFFSET)]')
30else
31IMAGE_OFFSET := $(shell /bin/bash -c 'printf "0x%08x" \
32 $$[$(CONFIG_PAGE_OFFSET) + \
33 $(KERNEL_MEMORY) + \
34 $(CONFIG_BOOT_LINK_OFFSET)]')
35endif
36
37ccflags-remove-$(CONFIG_MCOUNT) += -pg
38
39LDFLAGS_vmlinux := --oformat $(ld-bfd) -Ttext $(IMAGE_OFFSET) -e startup \
40 -T $(obj)/../../kernel/vmlinux.lds
41
42KBUILD_CFLAGS += -DDISABLE_BRANCH_PROFILING
43
44$(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
61OBJCOPYFLAGS += -R .empty_zero_page
62
63LDFLAGS_piggy.o := -r --format binary --oformat $(ld-bfd) -T
64
65$(obj)/piggy.o: $(obj)/vmlinux.scr $(obj)/vmlinux.bin.$(suffix_y) FORCE
66 $(call if_changed,ld)
1#
2# linux/arch/sh/boot/compressed/Makefile
3#
4# create a compressed vmlinux image from the original vmlinux
5#
6
7targets := vmlinux vmlinux.bin vmlinux.bin.gz \
8 vmlinux.bin.bz2 vmlinux.bin.lzma \
9 vmlinux.bin.xz vmlinux.bin.lzo \
10 head_$(BITS).o misc.o piggy.o
11
12OBJECTS = $(obj)/head_$(BITS).o $(obj)/misc.o $(obj)/cache.o
13
14GCOV_PROFILE := n
15
16#
17# IMAGE_OFFSET is the load offset of the compression loader
18#
19ifeq ($(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 $(CONFIG_BOOT_LINK_OFFSET)]')
28endif
29
30ifeq ($(CONFIG_MCOUNT),y)
31ORIG_CFLAGS := $(KBUILD_CFLAGS)
32KBUILD_CFLAGS = $(subst -pg, , $(ORIG_CFLAGS))
33endif
34
35LDFLAGS_vmlinux := --oformat $(ld-bfd) -Ttext $(IMAGE_OFFSET) -e startup \
36 -T $(obj)/../../kernel/vmlinux.lds
37
38#
39# Pull in the necessary libgcc bits from the in-kernel implementation.
40#
41lib1funcs-$(CONFIG_SUPERH32) := ashiftrt.S ashldi3.c ashrsi3.S ashlsi3.S \
42 lshrsi3.S
43lib1funcs-obj := \
44 $(addsuffix .o, $(basename $(addprefix $(obj)/, $(lib1funcs-y))))
45
46lib1funcs-dir := $(srctree)/arch/$(SRCARCH)/lib
47ifeq ($(BITS),64)
48 lib1funcs-dir := $(addsuffix $(BITS), $(lib1funcs-dir))
49endif
50
51KBUILD_CFLAGS += -I$(lib1funcs-dir) -DDISABLE_BRANCH_PROFILING
52
53$(addprefix $(obj)/,$(lib1funcs-y)): $(obj)/%: $(lib1funcs-dir)/% FORCE
54 $(call cmd,shipped)
55
56$(obj)/vmlinux: $(OBJECTS) $(obj)/piggy.o $(lib1funcs-obj) FORCE
57 $(call if_changed,ld)
58
59$(obj)/vmlinux.bin: vmlinux FORCE
60 $(call if_changed,objcopy)
61
62vmlinux.bin.all-y := $(obj)/vmlinux.bin
63
64$(obj)/vmlinux.bin.gz: $(vmlinux.bin.all-y) FORCE
65 $(call if_changed,gzip)
66$(obj)/vmlinux.bin.bz2: $(vmlinux.bin.all-y) FORCE
67 $(call if_changed,bzip2)
68$(obj)/vmlinux.bin.lzma: $(vmlinux.bin.all-y) FORCE
69 $(call if_changed,lzma)
70$(obj)/vmlinux.bin.xz: $(vmlinux.bin.all-y) FORCE
71 $(call if_changed,xzkern)
72$(obj)/vmlinux.bin.lzo: $(vmlinux.bin.all-y) FORCE
73 $(call if_changed,lzo)
74
75OBJCOPYFLAGS += -R .empty_zero_page
76
77LDFLAGS_piggy.o := -r --format binary --oformat $(ld-bfd) -T
78
79$(obj)/piggy.o: $(obj)/vmlinux.scr $(obj)/vmlinux.bin.$(suffix-y) FORCE
80 $(call if_changed,ld)