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