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 #
>> 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
>> 9 #
>> 10 # Creating a compressed kernel image (arch/alpha/boot/vmlinux.gz)
>> 11 # is done via:
>> 12 #
>> 13 # make boot
>> 14 #
>> 15 # Creating a BOOTP image (arch/alpha/boot/bootpfile or bootpzfile)
>> 16 # is done via:
>> 17 #
>> 18 # make bootpfile # using an uncompressed kernel
>> 19 # make bootpzfile # using a compressed kernel
>> 20 #
>> 21 # Adding an INITRD image to a BOOTP file (arch/alpha/boot/bootpzfile)
>> 22 # can be done, e.g, via:
>> 23 #
>> 24 # INITRD=`pwd`/initrd.img make bootpzfile
>> 25
>> 26 LINKFLAGS = -static -T bootloader.lds #-N -relax
5 27
6 # Tooling runtimes are unavailable and cannot !! 28 .S.s:
7 KCOV_INSTRUMENT := n !! 29 $(CPP) $(AFLAGS) -traditional -o $*.o $<
8 GCOV_PROFILE := n !! 30 .S.o:
9 UBSAN_SANITIZE := n !! 31 $(CC) $(AFLAGS) -traditional -c -o $*.o $<
10 KASAN_SANITIZE := n !! 32
11 KCSAN_SANITIZE := n !! 33 OBJECTS = head.o main.o
12 KMSAN_SANITIZE := n !! 34 BPOBJECTS = head.o bootp.o
>> 35 BPZOBJECTS = head.o bootpz.o misc.o
>> 36 TARGETS = vmlinux.gz tools/objstrip # also needed by aboot & milo
>> 37 VMLINUX = $(TOPDIR)/vmlinux
>> 38 OBJSTRIP = tools/objstrip
>> 39
>> 40 all: $(TARGETS)
>> 41 @echo Ready to install kernel in $(shell pwd)/vmlinux.gz
>> 42
>> 43 # normally no need to build these:
>> 44 rawboot: vmlinux.nh tools/lxboot tools/bootlx
>> 45
>> 46 msb: tools/lxboot tools/bootlx vmlinux.nh
>> 47 ( cat tools/lxboot tools/bootlx vmlinux.nh ) > /dev/rz0a
>> 48 disklabel -rw rz0 'linux' tools/lxboot tools/bootlx
>> 49
>> 50 bootimage: tools/mkbb tools/lxboot tools/bootlx vmlinux.nh
>> 51 ( cat tools/lxboot tools/bootlx vmlinux.nh ) > bootimage
>> 52 tools/mkbb bootimage tools/lxboot
>> 53
>> 54 bootpfile: tools/bootph vmlinux.nh
>> 55 cat tools/bootph vmlinux.nh > bootpfile
>> 56 ifdef INITRD
>> 57 cat $(INITRD) >> bootpfile
>> 58 endif
13 59
14 KBUILD_AFLAGS := $(KBUILD_AFLAGS_DECOMPRESSOR) !! 60 bootpzfile: tools/bootpzh vmlinux.nh.gz
15 KBUILD_CFLAGS := $(KBUILD_CFLAGS_DECOMPRESSOR) !! 61 cat tools/bootpzh vmlinux.nh.gz > bootpzfile
>> 62 ifdef INITRD
>> 63 cat $(INITRD) >> bootpzfile
>> 64 endif
16 65
17 # !! 66 srmboot: bootdevice bootimage
18 # Use minimum architecture for als.c to be abl !! 67 dd if=bootimage of=$(BOOTDEV) bs=512 seek=1 skip=1
19 # message if the kernel is started on a machin !! 68 tools/mkbb $(BOOTDEV) tools/lxboot
20 # !! 69
21 ifndef CONFIG_CC_IS_CLANG !! 70 bootdevice:
22 CC_FLAGS_MARCH_MINIMUM := -march=z900 !! 71 @test "$(BOOTDEV)" != "" || (echo You must specify BOOTDEV ; exit -1)
23 else !! 72
24 CC_FLAGS_MARCH_MINIMUM := -march=z10 !! 73 vmlinux.gz: $(TOPDIR)/vmlinux
>> 74 gzip -fv9c $(TOPDIR)/vmlinux > vmlinux.gz
>> 75
>> 76 vmlinux.nh.gz: vmlinux.nh
>> 77 gzip -fv9c vmlinux.nh > vmlinux.nh.gz
>> 78
>> 79 main.o: ksize.h
>> 80
>> 81 bootp.o: ksize.h
>> 82
>> 83 bootpz.o: kzsize.h
>> 84
>> 85 ksize.h: vmlinux.nh dummy
>> 86 echo "#define KERNEL_SIZE `ls -l vmlinux.nh | awk '{print $$5}'`" > $@T
>> 87 ifdef INITRD
>> 88 [ ! \( -f $(INITRD) \) ] || exit 1
>> 89 echo "#define INITRD_IMAGE_SIZE `ls -l $(INITRD) | awk '{print $$5}'`" >> $@T
25 endif 90 endif
>> 91 cmp -s $@T $@ || mv -f $@T $@
>> 92 rm -f $@T
26 93
27 ifneq ($(CC_FLAGS_MARCH),$(CC_FLAGS_MARCH_MINI !! 94 kzsize.h: vmlinux.nh.gz dummy
28 AFLAGS_REMOVE_head.o += $(CC_FLAGS_ !! 95 echo "#define KERNEL_SIZE `ls -l vmlinux.nh | awk '{print $$5}'`" > $@T
29 AFLAGS_head.o += $(CC_FLAGS_ !! 96 echo "#define KERNEL_Z_SIZE `ls -l vmlinux.nh.gz | awk '{print $$5}'`" >> $@T
30 AFLAGS_REMOVE_mem.o += $(CC_FLAGS_ !! 97 ifdef INITRD
31 AFLAGS_mem.o += $(CC_FLAGS_ !! 98 [ -f $(INITRD) ] || exit 1
32 CFLAGS_REMOVE_als.o += $(CC_FLAGS_ !! 99 echo "#define INITRD_IMAGE_SIZE `ls -l $(INITRD) | awk '{print $$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 100 endif
>> 101 cmp -s $@T $@ || mv -f $@T $@
>> 102 rm -f $@T
>> 103
>> 104 vmlinux.nh: $(VMLINUX) $(OBJSTRIP)
>> 105 $(OBJSTRIP) -v $(VMLINUX) vmlinux.nh
>> 106
>> 107 vmlinux: $(VMLINUX)
>> 108 $(STRIP) -o vmlinux $(VMLINUX)
>> 109
>> 110 tools/lxboot: $(OBJSTRIP) bootloader
>> 111 $(OBJSTRIP) -p bootloader tools/lxboot
>> 112
>> 113 tools/bootlx: bootloader $(OBJSTRIP)
>> 114 $(OBJSTRIP) -vb bootloader tools/bootlx
>> 115
>> 116 tools/bootph: bootpheader $(OBJSTRIP)
>> 117 $(OBJSTRIP) -vb bootpheader tools/bootph
>> 118
>> 119 tools/bootpzh: bootpzheader $(OBJSTRIP)
>> 120 $(OBJSTRIP) -vb bootpzheader tools/bootpzh
>> 121
>> 122 $(OBJSTRIP): $(OBJSTRIP).c
>> 123 $(HOSTCC) $(HOSTCFLAGS) -I$(HPATH) $(OBJSTRIP).c -o $(OBJSTRIP)
>> 124
>> 125 tools/mkbb: tools/mkbb.c
>> 126 $(HOSTCC) tools/mkbb.c -o tools/mkbb
>> 127
>> 128 bootloader: $(OBJECTS)
>> 129 $(LD) $(LINKFLAGS) $(OBJECTS) $(LIBS) -o bootloader
>> 130
>> 131 bootpheader: $(BPOBJECTS)
>> 132 $(LD) $(LINKFLAGS) $(BPOBJECTS) $(LIBS) -o bootpheader
>> 133
>> 134 bootpzheader: $(BPZOBJECTS)
>> 135 $(LD) $(LINKFLAGS) $(BPZOBJECTS) $(LIBS) -o bootpzheader
>> 136
>> 137 misc.o: misc.c $(TOPDIR)/lib/inflate.c
>> 138
>> 139 clean:
>> 140 rm -f $(TARGETS) bootloader bootimage bootpfile bootpheader
>> 141 rm -f tools/mkbb tools/bootlx tools/lxboot tools/bootph
>> 142 rm -f vmlinux.nh ksize.h
37 143
38 CFLAGS_sclp_early_core.o += -I$(srctree)/drive !! 144 dep:
39 145
40 obj-y := head.o als.o startup.o physmem_info !! 146 dummy:
41 obj-y += string.o ebcdic.o sclp_early_core.o <<
42 obj-y += version.o pgm_check_info.o ctype.o <<
43 obj-$(CONFIG_RANDOMIZE_BASE) += kaslr.o <<
44 obj-y += $(if $(CONFIG_KERNEL_UNCOMPRESSED), <<
45 obj-$(CONFIG_KERNEL_ZSTD) += clz_ctz.o <<
46 obj-$(CONFIG_KMSAN) += kmsan.o <<
47 obj-all := $(obj-y) piggy.o syms.o <<
48 <<
49 targets := bzImage section_cmp.boot.data secti <<
50 targets += vmlinux.lds vmlinux vmlinux.bin vml <<
51 targets += vmlinux.bin.xz vmlinux.bin.lzma vml <<
52 targets += vmlinux.bin.zst info.bin syms.bin v <<
53 targets += relocs.S <<
54 <<
55 OBJECTS := $(addprefix $(obj)/,$(obj-y)) <<
56 OBJECTS_ALL := $(addprefix $(obj)/,$(obj-all)) <<
57 <<
58 clean-files += vmlinux.map <<
59 <<
60 quiet_cmd_section_cmp = SECTCMP $* <<
61 define cmd_section_cmp <<
62 s1=`$(OBJDUMP) -t "$<" | grep "\s$*\s\ <<
63 sed -n "/0000000000000000/! s/ <<
64 s2=`$(OBJDUMP) -t "$(word 2,$^)" | gre <<
65 sed -n "/0000000000000000/! s/ <<
66 if [ "$$s1" != "$$s2" ]; then \ <<
67 echo "error: section $* differ <<
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) <<
83 <<
84 LDFLAGS_vmlinux.syms := $(LDFLAGS_vmlinux-y) - <<
85 $(obj)/vmlinux.syms: $(obj)/vmlinux.lds $(OBJE <<
86 $(call if_changed,ld) <<
87 <<
88 quiet_cmd_dumpsyms = DUMPSYMS $< <<
89 define cmd_dumpsyms <<
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 <<
126 $(obj)/vmlinux.bin.gz: $(obj)/vmlinux.bin FORC <<
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) <<
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.