1 # SPDX-License-Identifier: GPL-2.0 1 # SPDX-License-Identifier: GPL-2.0
>> 2 # Makefile for the Sparc boot stuff.
2 # 3 #
3 # Makefile for the linux s390-specific parts o !! 4 # Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu)
4 # !! 5 # Copyright (C) 1997,1998 Jakub Jelinek (jj@ultra.linux.cz)
5 <<
6 # Tooling runtimes are unavailable and cannot <<
7 KCOV_INSTRUMENT := n <<
8 GCOV_PROFILE := n <<
9 UBSAN_SANITIZE := n <<
10 KASAN_SANITIZE := n <<
11 KCSAN_SANITIZE := n <<
12 KMSAN_SANITIZE := n <<
13 <<
14 KBUILD_AFLAGS := $(KBUILD_AFLAGS_DECOMPRESSOR) <<
15 KBUILD_CFLAGS := $(KBUILD_CFLAGS_DECOMPRESSOR) <<
16 <<
17 # <<
18 # Use minimum architecture for als.c to be abl <<
19 # message if the kernel is started on a machin <<
20 # <<
21 ifndef CONFIG_CC_IS_CLANG <<
22 CC_FLAGS_MARCH_MINIMUM := -march=z900 <<
23 else <<
24 CC_FLAGS_MARCH_MINIMUM := -march=z10 <<
25 endif <<
26 6
27 ifneq ($(CC_FLAGS_MARCH),$(CC_FLAGS_MARCH_MINI !! 7 ROOT_IMG := /usr/src/root.img
28 AFLAGS_REMOVE_head.o += $(CC_FLAGS_ !! 8 ELFTOAOUT := elftoaout
29 AFLAGS_head.o += $(CC_FLAGS_ <<
30 AFLAGS_REMOVE_mem.o += $(CC_FLAGS_ <<
31 AFLAGS_mem.o += $(CC_FLAGS_ <<
32 CFLAGS_REMOVE_als.o += $(CC_FLAGS_ <<
33 CFLAGS_als.o += $(CC_FLAGS_ <<
34 CFLAGS_REMOVE_sclp_early_core.o += $(CC_FLAGS_ <<
35 CFLAGS_sclp_early_core.o += $(CC_FLAGS_ <<
36 endif <<
37 9
38 CFLAGS_sclp_early_core.o += -I$(srctree)/drive !! 10 hostprogs := piggyback
>> 11 targets := tftpboot.img image zImage vmlinux.aout
>> 12 clean-files := System.map
39 13
40 obj-y := head.o als.o startup.o physmem_info !! 14 quiet_cmd_elftoaout = ELFTOAOUT $@
41 obj-y += string.o ebcdic.o sclp_early_core.o !! 15 cmd_elftoaout = $(ELFTOAOUT) $(obj)/image -o $@
42 obj-y += version.o pgm_check_info.o ctype.o !! 16 quiet_cmd_piggy = PIGGY $@
43 obj-$(CONFIG_RANDOMIZE_BASE) += kaslr.o !! 17 cmd_piggy = $(obj)/piggyback $(BITS) $@ System.map $(ROOT_IMG)
44 obj-y += $(if $(CONFIG_KERNEL_UNCOMPRESSED), !! 18 quiet_cmd_strip = STRIP $@
45 obj-$(CONFIG_KERNEL_ZSTD) += clz_ctz.o !! 19 cmd_strip = $(STRIP) -R .comment -R .note -K sun4u_init -K _end -K _start $< -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 20
73 $(obj)/bzImage: $(obj)/vmlinux $(obj)/section_ !! 21 ifeq ($(CONFIG_SPARC64),y)
74 $(call if_changed,objcopy) <<
75 22
76 $(obj)/section_cmp%: vmlinux $(obj)/vmlinux FO !! 23 # Actual linking
77 $(call if_changed,section_cmp) <<
78 24
79 LDFLAGS_vmlinux-$(CONFIG_LD_ORPHAN_WARN) := -- !! 25 $(obj)/zImage: $(obj)/image FORCE
80 LDFLAGS_vmlinux := $(LDFLAGS_vmlinux-y) --ofor !! 26 $(call if_changed,gzip)
81 $(obj)/vmlinux: $(obj)/vmlinux.lds $(OBJECTS_A !! 27 @$(kecho) 'Kernel: $@ is ready' '(#'$(or $(KBUILD_BUILD_VERSION),`cat .version`)')'
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 28
93 $(obj)/syms.bin: $(obj)/vmlinux.syms FORCE !! 29 $(obj)/vmlinux.aout: vmlinux FORCE
94 $(call if_changed,dumpsyms) !! 30 $(call if_changed,elftoaout)
>> 31 @$(kecho) 'Kernel: $@ is ready' '(#'$(or $(KBUILD_BUILD_VERSION),`cat .version`)')'
>> 32 else
95 33
96 OBJCOPYFLAGS_syms.o := -I binary -O elf64-s390 !! 34 $(obj)/zImage: $(obj)/image FORCE
97 $(obj)/syms.o: $(obj)/syms.bin FORCE !! 35 $(call if_changed,strip)
98 $(call if_changed,objcopy) !! 36 @$(kecho) 'Kernel: $@ is ready' '(#'$(or $(KBUILD_BUILD_VERSION),`cat .version`)')'
99 37
100 OBJCOPYFLAGS_info.bin := -O binary --only-sect !! 38 # The following lines make a readable image for U-Boot.
101 $(obj)/info.bin: vmlinux FORCE !! 39 # uImage - Binary file read by U-boot
102 $(call if_changed,objcopy) !! 40 # uImage.o - object file of uImage for loading with a
>> 41 # flash programmer understanding ELF.
103 42
104 OBJCOPYFLAGS_info.o := -I binary -O elf64-s390 !! 43 OBJCOPYFLAGS_image.bin := -S -O binary -R .note -R .comment
105 $(obj)/info.o: $(obj)/info.bin FORCE !! 44 $(obj)/image.bin: $(obj)/image FORCE
106 $(call if_changed,objcopy) 45 $(call if_changed,objcopy)
107 46
108 OBJCOPYFLAGS_vmlinux.bin := -O binary --remove !! 47 $(obj)/image.gz: $(obj)/image.bin FORCE
109 $(obj)/vmlinux.bin: vmlinux FORCE !! 48 $(call if_changed,gzip)
110 $(call if_changed,objcopy) <<
111 49
112 CMD_RELOCS=arch/s390/tools/relocs !! 50 UIMAGE_LOADADDR = $(CONFIG_UBOOT_LOAD_ADDR)
113 quiet_cmd_relocs = RELOCS $@ !! 51 UIMAGE_ENTRYADDR = $(CONFIG_UBOOT_ENTRY_ADDR)
114 cmd_relocs = $(CMD_RELOCS) $< > $@ !! 52 UIMAGE_COMPRESSION = gzip
115 $(obj)/relocs.S: vmlinux FORCE !! 53
116 $(call if_changed,relocs) !! 54 quiet_cmd_uimage.o = UIMAGE.O $@
117 !! 55 cmd_uimage.o = $(LD) -Tdata $(CONFIG_UBOOT_FLASH_ADDR) \
118 suffix-$(CONFIG_KERNEL_GZIP) := .gz !! 56 -r -b binary $@ -o $@.o
119 suffix-$(CONFIG_KERNEL_BZIP2) := .bz2 !! 57
120 suffix-$(CONFIG_KERNEL_LZ4) := .lz4 !! 58 targets += uImage
121 suffix-$(CONFIG_KERNEL_LZMA) := .lzma !! 59 $(obj)/uImage: $(obj)/image.gz FORCE
122 suffix-$(CONFIG_KERNEL_LZO) := .lzo !! 60 $(call if_changed,uimage)
123 suffix-$(CONFIG_KERNEL_XZ) := .xz !! 61 $(call if_changed,uimage.o)
124 suffix-$(CONFIG_KERNEL_ZSTD) := .zst !! 62 @$(kecho) 'Kernel: $@ is ready' '(#'$(or $(KBUILD_BUILD_VERSION),`cat .version`)')'
125 63
126 $(obj)/vmlinux.bin.gz: $(obj)/vmlinux.bin FORC !! 64 endif
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 65
141 OBJCOPYFLAGS_piggy.o := -I binary -O elf64-s39 !! 66 $(obj)/image: vmlinux FORCE
142 $(obj)/piggy.o: $(obj)/vmlinux.bin$(suffix-y) !! 67 $(call if_changed,strip)
143 $(call if_changed,objcopy) !! 68 @$(kecho) 'Kernel: $@ is ready' '(#'$(or $(KBUILD_BUILD_VERSION),`cat .version`)')'
>> 69
>> 70 $(obj)/tftpboot.img: $(obj)/image $(obj)/piggyback System.map $(ROOT_IMG) FORCE
>> 71 $(call if_changed,elftoaout)
>> 72 $(call if_changed,piggy)
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