1 # SPDX-License-Identifier: GPL-2.0 <<
2 # 1 #
3 # Makefile for the linux s390-specific parts o !! 2 # This file is subject to the terms and conditions of the GNU General Public
>> 3 # License. See the file "COPYING" in the main directory of this archive
>> 4 # for more details.
4 # 5 #
>> 6 # Copyright (C) 1995, 1998, 2001, 2002 by Ralf Baechle
>> 7 # Copyright (C) 2004 Maciej W. Rozycki
>> 8 #
>> 9
>> 10 #
>> 11 # Some DECstations need all possible sections of an ECOFF executable
>> 12 #
>> 13 ifdef CONFIG_MACH_DECSTATION
>> 14 e2eflag := -a
>> 15 endif
>> 16
>> 17 #
>> 18 # Drop some uninteresting sections in the kernel.
>> 19 # This is only relevant for ELF kernels but doesn't hurt a.out
>> 20 #
>> 21 drop-sections := .reginfo .mdebug .comment .note .pdr .options .MIPS.options
>> 22 strip-flags := $(addprefix --remove-section=,$(drop-sections))
>> 23
>> 24 hostprogs := elf2ecoff
5 25
6 # Tooling runtimes are unavailable and cannot !! 26 suffix-y := bin
7 KCOV_INSTRUMENT := n !! 27 suffix-$(CONFIG_KERNEL_BZIP2) := bz2
8 GCOV_PROFILE := n !! 28 suffix-$(CONFIG_KERNEL_GZIP) := gz
9 UBSAN_SANITIZE := n !! 29 suffix-$(CONFIG_KERNEL_LZMA) := lzma
10 KASAN_SANITIZE := n !! 30 suffix-$(CONFIG_KERNEL_LZO) := lzo
11 KCSAN_SANITIZE := n !! 31
12 KMSAN_SANITIZE := n !! 32 targets := vmlinux.ecoff
13 !! 33 quiet_cmd_ecoff = ECOFF $@
14 # !! 34 cmd_ecoff = $(obj)/elf2ecoff $(VMLINUX) $@ $(e2eflag)
15 # Use minimum architecture level so it is poss !! 35 $(obj)/vmlinux.ecoff: $(obj)/elf2ecoff $(VMLINUX) FORCE
16 # message if the kernel is started on a machin !! 36 $(call if_changed,ecoff)
17 # !! 37
18 CC_FLAGS_MARCH_MINIMUM := -march=z10 !! 38 targets += vmlinux.bin
19 !! 39 quiet_cmd_bin = OBJCOPY $@
20 KBUILD_AFLAGS := $(filter-out $(CC_FLAGS_MARCH !! 40 cmd_bin = $(OBJCOPY) -O binary $(strip-flags) $(VMLINUX) $@
21 KBUILD_CFLAGS := $(filter-out $(CC_FLAGS_MARCH !! 41 $(obj)/vmlinux.bin: $(VMLINUX) FORCE
22 KBUILD_AFLAGS += $(CC_FLAGS_MARCH_MINIMUM) !! 42 $(call if_changed,bin)
23 KBUILD_CFLAGS += $(CC_FLAGS_MARCH_MINIMUM) !! 43
24 !! 44 targets += vmlinux.srec
25 CFLAGS_sclp_early_core.o += -I$(srctree)/drive !! 45 quiet_cmd_srec = OBJCOPY $@
26 !! 46 cmd_srec = $(OBJCOPY) -S -O srec $(strip-flags) $(VMLINUX) $@
27 obj-y := head.o als.o startup.o physmem_info !! 47 $(obj)/vmlinux.srec: $(VMLINUX) FORCE
28 obj-y += string.o ebcdic.o sclp_early_core.o !! 48 $(call if_changed,srec)
29 obj-y += version.o pgm_check_info.o ctype.o !! 49
30 obj-y += uv.o printk.o !! 50 UIMAGE_LOADADDR = $(VMLINUX_LOAD_ADDRESS)
31 obj-$(CONFIG_RANDOMIZE_BASE) += kaslr.o !! 51 UIMAGE_ENTRYADDR = $(VMLINUX_ENTRY_ADDRESS)
32 obj-y += $(if $(CONFIG_KERNEL_UNCOMPRESSED), !! 52
33 obj-$(CONFIG_KERNEL_ZSTD) += clz_ctz.o !! 53 #
34 obj-$(CONFIG_KMSAN) += kmsan.o !! 54 # Compressed vmlinux images
35 obj-all := $(obj-y) piggy.o syms.o !! 55 #
36 !! 56
37 targets := bzImage section_cmp.boot.data secti !! 57 extra-y += vmlinux.bin.bz2
38 targets += vmlinux.lds vmlinux vmlinux.bin vml !! 58 extra-y += vmlinux.bin.gz
39 targets += vmlinux.bin.xz vmlinux.bin.lzma vml !! 59 extra-y += vmlinux.bin.lzma
40 targets += vmlinux.bin.zst info.bin syms.bin v !! 60 extra-y += vmlinux.bin.lzo
41 targets += relocs.S !! 61
42 !! 62 $(obj)/vmlinux.bin.bz2: $(obj)/vmlinux.bin FORCE
43 OBJECTS := $(addprefix $(obj)/,$(obj-y)) !! 63 $(call if_changed,bzip2)
44 OBJECTS_ALL := $(addprefix $(obj)/,$(obj-all)) <<
45 <<
46 clean-files += vmlinux.map <<
47 <<
48 quiet_cmd_section_cmp = SECTCMP $* <<
49 define cmd_section_cmp <<
50 s1=`$(OBJDUMP) -t "$<" | grep "\s$*\s\ <<
51 sed -n "/0000000000000000/! s/ <<
52 s2=`$(OBJDUMP) -t "$(word 2,$^)" | gre <<
53 sed -n "/0000000000000000/! s/ <<
54 if [ "$$s1" != "$$s2" ]; then \ <<
55 echo "error: section $* differ <<
56 exit 1; \ <<
57 fi; \ <<
58 touch $@ <<
59 endef <<
60 <<
61 $(obj)/bzImage: $(obj)/vmlinux $(obj)/section_ <<
62 $(call if_changed,objcopy) <<
63 <<
64 $(obj)/section_cmp%: vmlinux $(obj)/vmlinux FO <<
65 $(call if_changed,section_cmp) <<
66 <<
67 LDFLAGS_vmlinux-$(CONFIG_LD_ORPHAN_WARN) := -- <<
68 LDFLAGS_vmlinux := $(LDFLAGS_vmlinux-y) --ofor <<
69 $(obj)/vmlinux: $(obj)/vmlinux.lds $(OBJECTS_A <<
70 $(call if_changed,ld) <<
71 <<
72 LDFLAGS_vmlinux.syms := $(LDFLAGS_vmlinux-y) - <<
73 $(obj)/vmlinux.syms: $(obj)/vmlinux.lds $(OBJE <<
74 $(call if_changed,ld) <<
75 <<
76 quiet_cmd_dumpsyms = DUMPSYMS $< <<
77 define cmd_dumpsyms <<
78 $(NM) -n -S --format=bsd "$<" | sed -n <<
79 endef <<
80 <<
81 $(obj)/syms.bin: $(obj)/vmlinux.syms FORCE <<
82 $(call if_changed,dumpsyms) <<
83 <<
84 OBJCOPYFLAGS_syms.o := -I binary -O elf64-s390 <<
85 $(obj)/syms.o: $(obj)/syms.bin FORCE <<
86 $(call if_changed,objcopy) <<
87 <<
88 OBJCOPYFLAGS_info.bin := -O binary --only-sect <<
89 $(obj)/info.bin: vmlinux FORCE <<
90 $(call if_changed,objcopy) <<
91 <<
92 OBJCOPYFLAGS_info.o := -I binary -O elf64-s390 <<
93 $(obj)/info.o: $(obj)/info.bin FORCE <<
94 $(call if_changed,objcopy) <<
95 <<
96 OBJCOPYFLAGS_vmlinux.bin := -O binary --remove <<
97 $(obj)/vmlinux.bin: vmlinux FORCE <<
98 $(call if_changed,objcopy) <<
99 <<
100 # relocs.S is created by the vmlinux postlink <<
101 $(obj)/relocs.S: vmlinux <<
102 @true <<
103 <<
104 suffix-$(CONFIG_KERNEL_GZIP) := .gz <<
105 suffix-$(CONFIG_KERNEL_BZIP2) := .bz2 <<
106 suffix-$(CONFIG_KERNEL_LZ4) := .lz4 <<
107 suffix-$(CONFIG_KERNEL_LZMA) := .lzma <<
108 suffix-$(CONFIG_KERNEL_LZO) := .lzo <<
109 suffix-$(CONFIG_KERNEL_XZ) := .xz <<
110 suffix-$(CONFIG_KERNEL_ZSTD) := .zst <<
111 64
112 $(obj)/vmlinux.bin.gz: $(obj)/vmlinux.bin FORC 65 $(obj)/vmlinux.bin.gz: $(obj)/vmlinux.bin FORCE
113 $(call if_changed,gzip) 66 $(call if_changed,gzip)
114 $(obj)/vmlinux.bin.bz2: $(obj)/vmlinux.bin FOR !! 67
115 $(call if_changed,bzip2_with_size) <<
116 $(obj)/vmlinux.bin.lz4: $(obj)/vmlinux.bin FOR <<
117 $(call if_changed,lz4_with_size) <<
118 $(obj)/vmlinux.bin.lzma: $(obj)/vmlinux.bin FO 68 $(obj)/vmlinux.bin.lzma: $(obj)/vmlinux.bin FORCE
119 $(call if_changed,lzma_with_size) !! 69 $(call if_changed,lzma)
>> 70
120 $(obj)/vmlinux.bin.lzo: $(obj)/vmlinux.bin FOR 71 $(obj)/vmlinux.bin.lzo: $(obj)/vmlinux.bin FORCE
121 $(call if_changed,lzo_with_size) !! 72 $(call if_changed,lzo)
122 $(obj)/vmlinux.bin.xz: $(obj)/vmlinux.bin FORC !! 73
123 $(call if_changed,xzkern_with_size) !! 74 #
124 $(obj)/vmlinux.bin.zst: $(obj)/vmlinux.bin FOR !! 75 # Compressed u-boot images
125 $(call if_changed,zstd22_with_size) !! 76 #
126 !! 77
127 OBJCOPYFLAGS_piggy.o := -I binary -O elf64-s39 !! 78 targets += uImage
128 $(obj)/piggy.o: $(obj)/vmlinux.bin$(suffix-y) !! 79 targets += uImage.bin
129 $(call if_changed,objcopy) !! 80 targets += uImage.bz2
>> 81 targets += uImage.gz
>> 82 targets += uImage.lzma
>> 83 targets += uImage.lzo
>> 84
>> 85 $(obj)/uImage.bin: $(obj)/vmlinux.bin FORCE
>> 86 $(call if_changed,uimage,none)
>> 87
>> 88 $(obj)/uImage.bz2: $(obj)/vmlinux.bin.bz2 FORCE
>> 89 $(call if_changed,uimage,bzip2)
>> 90
>> 91 $(obj)/uImage.gz: $(obj)/vmlinux.bin.gz FORCE
>> 92 $(call if_changed,uimage,gzip)
>> 93
>> 94 $(obj)/uImage.lzma: $(obj)/vmlinux.bin.lzma FORCE
>> 95 $(call if_changed,uimage,lzma)
>> 96
>> 97 $(obj)/uImage.lzo: $(obj)/vmlinux.bin.lzo FORCE
>> 98 $(call if_changed,uimage,lzo)
>> 99
>> 100 $(obj)/uImage: $(obj)/uImage.$(suffix-y)
>> 101 @ln -sf $(notdir $<) $@
>> 102 @echo ' Image $@ is ready'
>> 103
>> 104 #
>> 105 # Flattened Image Tree (.itb) images
>> 106 #
>> 107
>> 108 ifeq ($(ADDR_BITS),32)
>> 109 itb_addr_cells = 1
>> 110 endif
>> 111 ifeq ($(ADDR_BITS),64)
>> 112 itb_addr_cells = 2
>> 113 endif
>> 114
>> 115 targets += vmlinux.its.S
>> 116
>> 117 quiet_cmd_its_cat = CAT $@
>> 118 cmd_its_cat = cat $(real-prereqs) >$@
>> 119
>> 120 $(obj)/vmlinux.its.S: $(addprefix $(srctree)/arch/mips/$(PLATFORM)/,$(ITS_INPUTS)) FORCE
>> 121 $(call if_changed,its_cat)
>> 122
>> 123 targets += vmlinux.its
>> 124 targets += vmlinux.gz.its
>> 125 targets += vmlinux.bz2.its
>> 126 targets += vmlinux.lzma.its
>> 127 targets += vmlinux.lzo.its
>> 128
>> 129 quiet_cmd_cpp_its_S = ITS $@
>> 130 cmd_cpp_its_S = $(CPP) -P -C -o $@ $< \
>> 131 -DKERNEL_NAME="\"Linux $(KERNELRELEASE)\"" \
>> 132 -DVMLINUX_BINARY="\"$(3)\"" \
>> 133 -DVMLINUX_COMPRESSION="\"$(2)\"" \
>> 134 -DVMLINUX_LOAD_ADDRESS=$(VMLINUX_LOAD_ADDRESS) \
>> 135 -DVMLINUX_ENTRY_ADDRESS=$(VMLINUX_ENTRY_ADDRESS) \
>> 136 -DADDR_BITS=$(ADDR_BITS) \
>> 137 -DADDR_CELLS=$(itb_addr_cells)
>> 138
>> 139 $(obj)/vmlinux.its: $(obj)/vmlinux.its.S $(VMLINUX) FORCE
>> 140 $(call if_changed,cpp_its_S,none,vmlinux.bin)
>> 141
>> 142 $(obj)/vmlinux.gz.its: $(obj)/vmlinux.its.S $(VMLINUX) FORCE
>> 143 $(call if_changed,cpp_its_S,gzip,vmlinux.bin.gz)
>> 144
>> 145 $(obj)/vmlinux.bz2.its: $(obj)/vmlinux.its.S $(VMLINUX) FORCE
>> 146 $(call if_changed,cpp_its_S,bzip2,vmlinux.bin.bz2)
>> 147
>> 148 $(obj)/vmlinux.lzma.its: $(obj)/vmlinux.its.S $(VMLINUX) FORCE
>> 149 $(call if_changed,cpp_its_S,lzma,vmlinux.bin.lzma)
>> 150
>> 151 $(obj)/vmlinux.lzo.its: $(obj)/vmlinux.its.S $(VMLINUX) FORCE
>> 152 $(call if_changed,cpp_its_S,lzo,vmlinux.bin.lzo)
>> 153
>> 154 targets += vmlinux.itb
>> 155 targets += vmlinux.gz.itb
>> 156 targets += vmlinux.bz2.itb
>> 157 targets += vmlinux.lzma.itb
>> 158 targets += vmlinux.lzo.itb
>> 159
>> 160 quiet_cmd_itb-image = ITB $@
>> 161 cmd_itb-image = \
>> 162 env PATH="$(objtree)/scripts/dtc:$(PATH)" \
>> 163 $(BASH) $(MKIMAGE) \
>> 164 -D "-I dts -O dtb -p 500 \
>> 165 --include $(objtree)/arch/mips \
>> 166 --warning no-unit_address_vs_reg" \
>> 167 -f $(2) $@
>> 168
>> 169 $(obj)/vmlinux.itb: $(obj)/vmlinux.its $(obj)/vmlinux.bin FORCE
>> 170 $(call if_changed,itb-image,$<)
>> 171
>> 172 $(obj)/vmlinux.%.itb: $(obj)/vmlinux.%.its $(obj)/vmlinux.bin.% FORCE
>> 173 $(call if_changed,itb-image,$<)
>> 174
>> 175 # for cleaning
>> 176 subdir- += compressed tools
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