1 # SPDX-License-Identifier: GPL-2.0 <<
2 # 1 #
3 # Makefile for the linux s390-specific parts o !! 2 # arch/alpha/boot/Makefile
>> 3 #
>> 4 # This file is subject to the terms and conditions of the GNU General Public
>> 5 # License. See the file "COPYING" in the main directory of this archive
>> 6 # for more details.
>> 7 #
>> 8 # Copyright (C) 1994 by Linus Torvalds
4 # 9 #
5 10
6 # Tooling runtimes are unavailable and cannot !! 11 hostprogs-y := tools/mkbb tools/objstrip
7 KCOV_INSTRUMENT := n !! 12 targets := vmlinux.gz vmlinux \
8 GCOV_PROFILE := n !! 13 vmlinux.nh tools/lxboot tools/bootlx tools/bootph \
9 UBSAN_SANITIZE := n !! 14 tools/bootpzh bootloader bootpheader bootpzheader
10 KASAN_SANITIZE := n !! 15 OBJSTRIP := $(obj)/tools/objstrip
11 KCSAN_SANITIZE := n !! 16
12 KMSAN_SANITIZE := n !! 17 KBUILD_HOSTCFLAGS := -Wall -I$(objtree)/usr/include
>> 18 BOOTCFLAGS += -I$(objtree)/$(obj) -I$(srctree)/$(obj)
>> 19
>> 20 # SRM bootable image. Copy to offset 512 of a partition.
>> 21 $(obj)/bootimage: $(addprefix $(obj)/tools/,mkbb lxboot bootlx) $(obj)/vmlinux.nh
>> 22 ( cat $(obj)/tools/lxboot $(obj)/tools/bootlx $(obj)/vmlinux.nh ) > $@
>> 23 $(obj)/tools/mkbb $@ $(obj)/tools/lxboot
>> 24 @echo ' Bootimage $@ is ready'
>> 25
>> 26 # BOOTP bootable image. Define INITRD during make to append initrd image.
>> 27 $(obj)/bootpfile: $(obj)/tools/bootph $(obj)/vmlinux.nh
>> 28 cat $(obj)/tools/bootph $(obj)/vmlinux.nh > $@
>> 29 ifdef INITRD
>> 30 cat $(INITRD) >> $@
>> 31 endif
13 32
14 KBUILD_AFLAGS := $(KBUILD_AFLAGS_DECOMPRESSOR) !! 33 # Compressed kernel BOOTP bootable image.
15 KBUILD_CFLAGS := $(KBUILD_CFLAGS_DECOMPRESSOR) !! 34 # Define INITRD during make to append initrd image.
>> 35 $(obj)/bootpzfile: $(obj)/tools/bootpzh $(obj)/vmlinux.nh.gz
>> 36 cat $(obj)/tools/bootpzh $(obj)/vmlinux.nh.gz > $@
>> 37 ifdef INITRD
>> 38 cat $(INITRD) >> $@
>> 39 endif
16 40
17 # !! 41 # Compressed kernel image
18 # Use minimum architecture for als.c to be abl !! 42 $(obj)/vmlinux.gz: $(obj)/vmlinux FORCE
19 # message if the kernel is started on a machin !! 43 $(call if_changed,gzip)
20 # !! 44 @echo ' Kernel $@ is ready'
21 ifndef CONFIG_CC_IS_CLANG !! 45
22 CC_FLAGS_MARCH_MINIMUM := -march=z900 !! 46 $(obj)/main.o: $(obj)/ksize.h
23 else !! 47 $(obj)/bootp.o: $(obj)/ksize.h
24 CC_FLAGS_MARCH_MINIMUM := -march=z10 !! 48 $(obj)/bootpz.o: $(obj)/kzsize.h
>> 49
>> 50 $(obj)/ksize.h: $(obj)/vmlinux.nh FORCE
>> 51 echo "#define KERNEL_SIZE `ls -l $(obj)/vmlinux.nh | awk '{print $$5}'`" > $@T
>> 52 ifdef INITRD
>> 53 [ -f $(INITRD) ] || exit 1
>> 54 echo "#define INITRD_IMAGE_SIZE `ls -l $(INITRD) | awk '{print $$5}'`" >> $@T
25 endif 55 endif
>> 56 cmp -s $@T $@ || mv -f $@T $@
>> 57 rm -f $@T
26 58
27 ifneq ($(CC_FLAGS_MARCH),$(CC_FLAGS_MARCH_MINI !! 59 $(obj)/kzsize.h: $(obj)/vmlinux.nh.gz FORCE
28 AFLAGS_REMOVE_head.o += $(CC_FLAGS_ !! 60 echo "#define KERNEL_SIZE `ls -l $(obj)/vmlinux.nh | awk '{print $$5}'`" > $@T
29 AFLAGS_head.o += $(CC_FLAGS_ !! 61 echo "#define KERNEL_Z_SIZE `ls -l $(obj)/vmlinux.nh.gz | awk '{print $$5}'`" >> $@T
30 AFLAGS_REMOVE_mem.o += $(CC_FLAGS_ !! 62 ifdef INITRD
31 AFLAGS_mem.o += $(CC_FLAGS_ !! 63 [ -f $(INITRD) ] || exit 1
32 CFLAGS_REMOVE_als.o += $(CC_FLAGS_ !! 64 echo "#define INITRD_IMAGE_SIZE `ls -l $(INITRD) | awk '{print $$5}'`" >> $@T
33 CFLAGS_als.o += $(CC_FLAGS_ <<
34 CFLAGS_REMOVE_sclp_early_core.o += $(CC_FLAGS_ <<
35 CFLAGS_sclp_early_core.o += $(CC_FLAGS_ <<
36 endif 65 endif
>> 66 cmp -s $@T $@ || mv -f $@T $@
>> 67 rm -f $@T
>> 68
>> 69 quiet_cmd_strip = STRIP $@
>> 70 cmd_strip = $(STRIP) -o $@ $<
>> 71
>> 72 $(obj)/vmlinux: vmlinux FORCE
>> 73 $(call if_changed,strip)
>> 74
>> 75 quiet_cmd_objstrip = OBJSTRIP $@
>> 76 cmd_objstrip = $(OBJSTRIP) $(OSFLAGS_$(@F)) $< $@
37 77
38 CFLAGS_sclp_early_core.o += -I$(srctree)/drive !! 78 OSFLAGS_vmlinux.nh := -v
>> 79 OSFLAGS_lxboot := -p
>> 80 OSFLAGS_bootlx := -vb
>> 81 OSFLAGS_bootph := -vb
>> 82 OSFLAGS_bootpzh := -vb
39 83
40 obj-y := head.o als.o startup.o physmem_info !! 84 $(obj)/vmlinux.nh: vmlinux $(OBJSTRIP) FORCE
41 obj-y += string.o ebcdic.o sclp_early_core.o !! 85 $(call if_changed,objstrip)
42 obj-y += version.o pgm_check_info.o ctype.o !! 86
43 obj-$(CONFIG_RANDOMIZE_BASE) += kaslr.o !! 87 $(obj)/vmlinux.nh.gz: $(obj)/vmlinux.nh FORCE
44 obj-y += $(if $(CONFIG_KERNEL_UNCOMPRESSED), !! 88 $(call if_changed,gzip)
45 obj-$(CONFIG_KERNEL_ZSTD) += clz_ctz.o !! 89
46 obj-$(CONFIG_KMSAN) += kmsan.o !! 90 $(obj)/tools/lxboot: $(obj)/bootloader $(OBJSTRIP) FORCE
47 obj-all := $(obj-y) piggy.o syms.o !! 91 $(call if_changed,objstrip)
48 !! 92
49 targets := bzImage section_cmp.boot.data secti !! 93 $(obj)/tools/bootlx: $(obj)/bootloader $(OBJSTRIP) FORCE
50 targets += vmlinux.lds vmlinux vmlinux.bin vml !! 94 $(call if_changed,objstrip)
51 targets += vmlinux.bin.xz vmlinux.bin.lzma vml !! 95
52 targets += vmlinux.bin.zst info.bin syms.bin v !! 96 $(obj)/tools/bootph: $(obj)/bootpheader $(OBJSTRIP) FORCE
53 targets += relocs.S !! 97 $(call if_changed,objstrip)
54 !! 98
55 OBJECTS := $(addprefix $(obj)/,$(obj-y)) !! 99 $(obj)/tools/bootpzh: $(obj)/bootpzheader $(OBJSTRIP) FORCE
56 OBJECTS_ALL := $(addprefix $(obj)/,$(obj-all)) !! 100 $(call if_changed,objstrip)
57 !! 101
58 clean-files += vmlinux.map !! 102 LDFLAGS_bootloader := -static -T # -N -relax
59 !! 103 LDFLAGS_bootloader := -static -T # -N -relax
60 quiet_cmd_section_cmp = SECTCMP $* !! 104 LDFLAGS_bootpheader := -static -T # -N -relax
61 define cmd_section_cmp !! 105 LDFLAGS_bootpzheader := -static -T # -N -relax
62 s1=`$(OBJDUMP) -t "$<" | grep "\s$*\s\ !! 106
63 sed -n "/0000000000000000/! s/ !! 107 OBJ_bootlx := $(obj)/head.o $(obj)/stdio.o $(obj)/main.o
64 s2=`$(OBJDUMP) -t "$(word 2,$^)" | gre !! 108 OBJ_bootph := $(obj)/head.o $(obj)/stdio.o $(obj)/bootp.o
65 sed -n "/0000000000000000/! s/ !! 109 OBJ_bootpzh := $(obj)/head.o $(obj)/stdio.o $(obj)/bootpz.o $(obj)/misc.o
66 if [ "$$s1" != "$$s2" ]; then \ !! 110
67 echo "error: section $* differ !! 111 $(obj)/bootloader: $(obj)/bootloader.lds $(OBJ_bootlx) $(LIBS_Y) FORCE
68 exit 1; \ <<
69 fi; \ <<
70 touch $@ <<
71 endef <<
72 <<
73 $(obj)/bzImage: $(obj)/vmlinux $(obj)/section_ <<
74 $(call if_changed,objcopy) <<
75 <<
76 $(obj)/section_cmp%: vmlinux $(obj)/vmlinux FO <<
77 $(call if_changed,section_cmp) <<
78 <<
79 LDFLAGS_vmlinux-$(CONFIG_LD_ORPHAN_WARN) := -- <<
80 LDFLAGS_vmlinux := $(LDFLAGS_vmlinux-y) --ofor <<
81 $(obj)/vmlinux: $(obj)/vmlinux.lds $(OBJECTS_A <<
82 $(call if_changed,ld) 112 $(call if_changed,ld)
83 113
84 LDFLAGS_vmlinux.syms := $(LDFLAGS_vmlinux-y) - !! 114 $(obj)/bootpheader: $(obj)/bootloader.lds $(OBJ_bootph) $(LIBS_Y) FORCE
85 $(obj)/vmlinux.syms: $(obj)/vmlinux.lds $(OBJE <<
86 $(call if_changed,ld) 115 $(call if_changed,ld)
87 116
88 quiet_cmd_dumpsyms = DUMPSYMS $< !! 117 $(obj)/bootpzheader: $(obj)/bootloader.lds $(OBJ_bootpzh) $(LIBS_Y) FORCE
89 define cmd_dumpsyms !! 118 $(call if_changed,ld)
90 $(NM) -n -S --format=bsd "$<" | sed -n <<
91 endef <<
92 <<
93 $(obj)/syms.bin: $(obj)/vmlinux.syms FORCE <<
94 $(call if_changed,dumpsyms) <<
95 <<
96 OBJCOPYFLAGS_syms.o := -I binary -O elf64-s390 <<
97 $(obj)/syms.o: $(obj)/syms.bin FORCE <<
98 $(call if_changed,objcopy) <<
99 <<
100 OBJCOPYFLAGS_info.bin := -O binary --only-sect <<
101 $(obj)/info.bin: vmlinux FORCE <<
102 $(call if_changed,objcopy) <<
103 <<
104 OBJCOPYFLAGS_info.o := -I binary -O elf64-s390 <<
105 $(obj)/info.o: $(obj)/info.bin FORCE <<
106 $(call if_changed,objcopy) <<
107 <<
108 OBJCOPYFLAGS_vmlinux.bin := -O binary --remove <<
109 $(obj)/vmlinux.bin: vmlinux FORCE <<
110 $(call if_changed,objcopy) <<
111 <<
112 CMD_RELOCS=arch/s390/tools/relocs <<
113 quiet_cmd_relocs = RELOCS $@ <<
114 cmd_relocs = $(CMD_RELOCS) $< > $@ <<
115 $(obj)/relocs.S: vmlinux FORCE <<
116 $(call if_changed,relocs) <<
117 <<
118 suffix-$(CONFIG_KERNEL_GZIP) := .gz <<
119 suffix-$(CONFIG_KERNEL_BZIP2) := .bz2 <<
120 suffix-$(CONFIG_KERNEL_LZ4) := .lz4 <<
121 suffix-$(CONFIG_KERNEL_LZMA) := .lzma <<
122 suffix-$(CONFIG_KERNEL_LZO) := .lzo <<
123 suffix-$(CONFIG_KERNEL_XZ) := .xz <<
124 suffix-$(CONFIG_KERNEL_ZSTD) := .zst <<
125 119
126 $(obj)/vmlinux.bin.gz: $(obj)/vmlinux.bin FORC !! 120 $(obj)/misc.o: lib/inflate.c
127 $(call if_changed,gzip) <<
128 $(obj)/vmlinux.bin.bz2: $(obj)/vmlinux.bin FOR <<
129 $(call if_changed,bzip2_with_size) <<
130 $(obj)/vmlinux.bin.lz4: $(obj)/vmlinux.bin FOR <<
131 $(call if_changed,lz4_with_size) <<
132 $(obj)/vmlinux.bin.lzma: $(obj)/vmlinux.bin FO <<
133 $(call if_changed,lzma_with_size) <<
134 $(obj)/vmlinux.bin.lzo: $(obj)/vmlinux.bin FOR <<
135 $(call if_changed,lzo_with_size) <<
136 $(obj)/vmlinux.bin.xz: $(obj)/vmlinux.bin FORC <<
137 $(call if_changed,xzkern_with_size) <<
138 $(obj)/vmlinux.bin.zst: $(obj)/vmlinux.bin FOR <<
139 $(call if_changed,zstd22_with_size) <<
140 <<
141 OBJCOPYFLAGS_piggy.o := -I binary -O elf64-s39 <<
142 $(obj)/piggy.o: $(obj)/vmlinux.bin$(suffix-y) <<
143 $(call if_changed,objcopy) <<
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