1 # SPDX-License-Identifier: GPL-2.0 <<
2 # 1 #
3 # s390/Makefile !! 2 # i386/Makefile
4 # 3 #
5 # This file is included by the global makefile 4 # This file is included by the global makefile so that you can add your own
6 # architecture-specific flags and dependencies !! 5 # architecture-specific flags and dependencies. Remember to do have actions
>> 6 # for "archclean" cleaning up for this architecture.
>> 7 #
>> 8 # This file is subject to the terms and conditions of the GNU General Public
>> 9 # License. See the file "COPYING" in the main directory of this archive
>> 10 # for more details.
7 # 11 #
8 # Copyright (C) 1994 by Linus Torvalds 12 # Copyright (C) 1994 by Linus Torvalds
9 # 13 #
>> 14 # 19990713 Artur Skawina <skawina@geocities.com>
>> 15 # Added '-march' and '-mpreferred-stack-boundary' support
>> 16 #
>> 17
>> 18 LDFLAGS := -m elf_i386
>> 19 OBJCOPYFLAGS := -O binary -R .note -R .comment -S
>> 20 LDFLAGS_vmlinux :=
>> 21
>> 22 CFLAGS += -pipe
>> 23
>> 24 # prevent gcc from keeping the stack 16 byte aligned
>> 25 CFLAGS += $(call check_gcc,-mpreferred-stack-boundary=2,)
>> 26
>> 27 align := $(subst -functions=0,,$(call check_gcc,-falign-functions=0,-malign-functions=0))
>> 28
>> 29 cflags-$(CONFIG_M386) += -march=i386
>> 30 cflags-$(CONFIG_M486) += -march=i486
>> 31 cflags-$(CONFIG_M586) += -march=i586
>> 32 cflags-$(CONFIG_M586TSC) += -march=i586
>> 33 cflags-$(CONFIG_M586MMX) += $(call check_gcc,-march=pentium-mmx,-march=i586)
>> 34 cflags-$(CONFIG_M686) += -march=i686
>> 35 cflags-$(CONFIG_MPENTIUMII) += $(call check_gcc,-march=pentium2,-march=i686)
>> 36 cflags-$(CONFIG_MPENTIUMIII) += $(call check_gcc,-march=pentium3,-march=i686)
>> 37 cflags-$(CONFIG_MPENTIUM4) += $(call check_gcc,-march=pentium4,-march=i686)
>> 38 cflags-$(CONFIG_MK6) += $(call check_gcc,-march=k6,-march=i586)
>> 39 # Please note, that patches that add -march=athlon-xp and friends are pointless.
>> 40 # They make zero difference whatsosever to performance at this time.
>> 41 cflags-$(CONFIG_MK7) += $(call check_gcc,-march=athlon,-march=i686 $(align)-functions=4)
>> 42 cflags-$(CONFIG_MK8) += $(call check_gcc,-march=k8,$(call check_gcc,-march=athlon,-march=i686 $(align)-functions=4))
>> 43 cflags-$(CONFIG_MCRUSOE) += -march=i686 $(align)-functions=0 $(align)-jumps=0 $(align)-loops=0
>> 44 cflags-$(CONFIG_MWINCHIPC6) += $(call check_gcc,-march=winchip-c6,-march=i586)
>> 45 cflags-$(CONFIG_MWINCHIP2) += $(call check_gcc,-march=winchip2,-march=i586)
>> 46 cflags-$(CONFIG_MWINCHIP3D) += $(call check_gcc,-march=winchip2,-march=i586)
>> 47 cflags-$(CONFIG_MCYRIXIII) += $(call check_gcc,-march=c3,-march=i486) $(align)-functions=0 $(align)-jumps=0 $(align)-loops=0
>> 48 cflags-$(CONFIG_MVIAC3_2) += $(call check_gcc,-march=c3-2,-march=i686)
>> 49
>> 50 CFLAGS += $(cflags-y)
>> 51
>> 52 # Default subarch .c files
>> 53 mcore-y := mach-default
>> 54
>> 55 # Voyager subarch support
>> 56 mflags-$(CONFIG_X86_VOYAGER) := -Iinclude/asm-i386/mach-voyager
>> 57 mcore-$(CONFIG_X86_VOYAGER) := mach-voyager
>> 58
>> 59 # VISWS subarch support
>> 60 mflags-$(CONFIG_X86_VISWS) := -Iinclude/asm-i386/mach-visws
>> 61 mcore-$(CONFIG_X86_VISWS) := mach-visws
>> 62
>> 63 # NUMAQ subarch support
>> 64 mflags-$(CONFIG_X86_NUMAQ) := -Iinclude/asm-i386/mach-numaq
>> 65 mcore-$(CONFIG_X86_NUMAQ) := mach-default
>> 66
>> 67 # BIGSMP subarch support
>> 68 mflags-$(CONFIG_X86_BIGSMP) := -Iinclude/asm-i386/mach-bigsmp
>> 69 mcore-$(CONFIG_X86_BIGSMP) := mach-default
>> 70
>> 71 #Summit subarch support
>> 72 mflags-$(CONFIG_X86_SUMMIT) := -Iinclude/asm-i386/mach-summit
>> 73 mcore-$(CONFIG_X86_SUMMIT) := mach-default
>> 74
>> 75 # generic subarchitecture
>> 76 mflags-$(CONFIG_X86_GENERICARCH) := -Iinclude/asm-i386/mach-generic
>> 77 mcore-$(CONFIG_X86_GENERICARCH) := mach-default
>> 78 core-$(CONFIG_X86_GENERICARCH) += arch/i386/mach-generic/
>> 79
>> 80 # ES7000 subarch support
>> 81 mflags-$(CONFIG_X86_ES7000) := -Iinclude/asm-i386/mach-es7000
>> 82 mcore-$(CONFIG_X86_ES7000) := mach-es7000
>> 83
>> 84 # default subarch .h files
>> 85 mflags-y += -Iinclude/asm-i386/mach-default
>> 86
>> 87 head-y := arch/i386/kernel/head.o arch/i386/kernel/init_task.o
>> 88
>> 89 libs-y += arch/i386/lib/
>> 90 core-y += arch/i386/kernel/ \
>> 91 arch/i386/mm/ \
>> 92 arch/i386/$(mcore-y)/
>> 93 drivers-$(CONFIG_MATH_EMULATION) += arch/i386/math-emu/
>> 94 drivers-$(CONFIG_PCI) += arch/i386/pci/
>> 95 # must be linked after kernel/
>> 96 drivers-$(CONFIG_OPROFILE) += arch/i386/oprofile/
>> 97 drivers-$(CONFIG_PM) += arch/i386/power/
>> 98
>> 99 CFLAGS += $(mflags-y)
>> 100 AFLAGS += $(mflags-y)
>> 101
>> 102 boot := arch/i386/boot
10 103
11 LD_BFD := elf64-s390 !! 104 .PHONY: zImage bzImage compressed zlilo bzlilo \
12 KBUILD_LDFLAGS := -m elf64_s390 !! 105 zdisk bzdisk fdimage fdimage144 fdimage288 install
13 KBUILD_AFLAGS_MODULE += -fPIC <<
14 KBUILD_CFLAGS_MODULE += -fPIC <<
15 KBUILD_AFLAGS += -m64 <<
16 KBUILD_CFLAGS += -m64 <<
17 KBUILD_CFLAGS += -fPIC <<
18 LDFLAGS_vmlinux := -no-pie --emit-relocs --dis <<
19 extra_tools := relocs <<
20 aflags_dwarf := -Wa,-gdwarf-2 <<
21 KBUILD_AFLAGS_DECOMPRESSOR := $(CLANG_FLAGS) - <<
22 ifndef CONFIG_AS_IS_LLVM <<
23 KBUILD_AFLAGS_DECOMPRESSOR += $(if $(CONFIG_DE <<
24 endif <<
25 KBUILD_CFLAGS_DECOMPRESSOR := $(CLANG_FLAGS) - <<
26 KBUILD_CFLAGS_DECOMPRESSOR += -DDISABLE_BRANCH <<
27 KBUILD_CFLAGS_DECOMPRESSOR += -D__DECOMPRESSOR <<
28 KBUILD_CFLAGS_DECOMPRESSOR += -fno-delete-null <<
29 KBUILD_CFLAGS_DECOMPRESSOR += -fno-asynchronou <<
30 KBUILD_CFLAGS_DECOMPRESSOR += -ffreestanding <<
31 KBUILD_CFLAGS_DECOMPRESSOR += -fno-stack-prote <<
32 KBUILD_CFLAGS_DECOMPRESSOR += -fPIE <<
33 KBUILD_CFLAGS_DECOMPRESSOR += $(call cc-disabl <<
34 KBUILD_CFLAGS_DECOMPRESSOR += $(if $(CONFIG_DE <<
35 KBUILD_CFLAGS_DECOMPRESSOR += $(if $(CONFIG_DE <<
36 KBUILD_CFLAGS_DECOMPRESSOR += $(if $(CONFIG_CC <<
37 <<
38 UTS_MACHINE := s390x <<
39 STACK_SIZE := $(if $(CONFIG_KASAN),65536, <<
40 CHECKFLAGS += -D__s390__ -D__s390x__ <<
41 <<
42 export LD_BFD <<
43 <<
44 mflags-$(CONFIG_MARCH_Z10) := -march=z10 <<
45 mflags-$(CONFIG_MARCH_Z196) := -march=z196 <<
46 mflags-$(CONFIG_MARCH_ZEC12) := -march=zEC12 <<
47 mflags-$(CONFIG_MARCH_Z13) := -march=z13 <<
48 mflags-$(CONFIG_MARCH_Z14) := -march=z14 <<
49 mflags-$(CONFIG_MARCH_Z15) := -march=z15 <<
50 mflags-$(CONFIG_MARCH_Z16) := -march=z16 <<
51 <<
52 export CC_FLAGS_MARCH := $(mflags-y) <<
53 <<
54 aflags-y += $(mflags-y) <<
55 cflags-y += $(mflags-y) <<
56 <<
57 cflags-$(CONFIG_MARCH_Z10_TUNE) += -mt <<
58 cflags-$(CONFIG_MARCH_Z196_TUNE) += -mt <<
59 cflags-$(CONFIG_MARCH_ZEC12_TUNE) += -mt <<
60 cflags-$(CONFIG_MARCH_Z13_TUNE) += -mt <<
61 cflags-$(CONFIG_MARCH_Z14_TUNE) += -mt <<
62 cflags-$(CONFIG_MARCH_Z15_TUNE) += -mt <<
63 cflags-$(CONFIG_MARCH_Z16_TUNE) += -mt <<
64 <<
65 cflags-y += -Wa,-I$(srctree)/arch/$(ARCH)/incl <<
66 <<
67 # <<
68 # Prevent tail-call optimizations, to get clea <<
69 # <<
70 cflags-$(CONFIG_FRAME_POINTER) += -fno-optimiz <<
71 <<
72 KBUILD_AFLAGS_DECOMPRESSOR += $(aflags-y) <<
73 KBUILD_CFLAGS_DECOMPRESSOR += $(cflags-y) <<
74 <<
75 ifneq ($(call cc-option,-mstack-size=8192 -mst <<
76 CC_FLAGS_CHECK_STACK := -mstack-size=$(STACK <<
77 ifeq ($(call cc-option,-mstack-size=8192),) <<
78 CC_FLAGS_CHECK_STACK += -mstack-guard=$(CO <<
79 endif <<
80 export CC_FLAGS_CHECK_STACK <<
81 cflags-$(CONFIG_CHECK_STACK) += $(CC_FLAGS_C <<
82 endif <<
83 <<
84 ifdef CONFIG_EXPOLINE <<
85 ifdef CONFIG_EXPOLINE_EXTERN <<
86 CC_FLAGS_EXPOLINE := -mindirect-branch=thu <<
87 CC_FLAGS_EXPOLINE += -mfunction-return=thu <<
88 else <<
89 CC_FLAGS_EXPOLINE := -mindirect-branch=thu <<
90 CC_FLAGS_EXPOLINE += -mfunction-return=thu <<
91 endif <<
92 CC_FLAGS_EXPOLINE += -mindirect-branch-table <<
93 export CC_FLAGS_EXPOLINE <<
94 cflags-y += $(CC_FLAGS_EXPOLINE) -DCC_USING_ <<
95 aflags-y += -DCC_USING_EXPOLINE <<
96 endif <<
97 <<
98 ifdef CONFIG_FUNCTION_TRACER <<
99 ifeq ($(call cc-option,-mfentry -mnop-mcount <<
100 # make use of hotpatch feature if the comp <<
101 cc_hotpatch := -mhotpatch=0,3 <<
102 ifneq ($(call cc-option,$(cc_hotpatch)),) <<
103 CC_FLAGS_FTRACE := $(cc_hotpatch) <<
104 KBUILD_AFLAGS += -DCC_USING_HOTPATCH <<
105 KBUILD_CFLAGS += -DCC_USING_HOTPATCH <<
106 endif <<
107 endif <<
108 endif <<
109 <<
110 # Test CFI features of binutils <<
111 cfi := $(call as-instr,.cfi_startproc\n.cfi_va <<
112 <<
113 KBUILD_CFLAGS += -mpacked-stack -mbackchain <<
114 KBUILD_CFLAGS += -pipe -Wno-sign-compare <<
115 KBUILD_CFLAGS += -fno-asynchronous-unwind-ta <<
116 KBUILD_AFLAGS += $(aflags-y) $(cfi) <<
117 export KBUILD_AFLAGS_DECOMPRESSOR <<
118 export KBUILD_CFLAGS_DECOMPRESSOR <<
119 <<
120 OBJCOPYFLAGS := -O binary <<
121 <<
122 libs-y += arch/s390/lib/ <<
123 <<
124 boot := arch/s390/boot <<
125 syscalls := arch/s390/kernel/syscalls <<
126 tools := arch/s390/tools <<
127 106
128 all: bzImage 107 all: bzImage
129 108
130 #KBUILD_IMAGE is necessary for packaging targe !! 109 BOOTIMAGE=arch/i386/boot/bzImage
131 KBUILD_IMAGE := $(boot)/bzImage !! 110 zImage zlilo zdisk: BOOTIMAGE=arch/i386/boot/zImage
132 111
133 install: !! 112 zImage bzImage: vmlinux
134 $(call cmd,install) !! 113 $(Q)$(MAKE) $(build)=$(boot) $(BOOTIMAGE)
135 114
136 bzImage: vmlinux !! 115 compressed: zImage
137 $(Q)$(MAKE) $(build)=$(boot) $(boot)/$ <<
138 116
139 zfcpdump: !! 117 zlilo bzlilo: vmlinux
140 $(Q)$(MAKE) $(build)=$(boot) $(boot)/$ !! 118 $(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(BOOTIMAGE) zlilo
141 <<
142 archheaders: <<
143 $(Q)$(MAKE) $(build)=$(syscalls) uapi <<
144 <<
145 archprepare: <<
146 $(Q)$(MAKE) $(build)=$(syscalls) kapi <<
147 $(Q)$(MAKE) $(build)=$(tools) kapi $(e <<
148 ifeq ($(KBUILD_EXTMOD),) <<
149 # We need to generate vdso-offsets.h before co <<
150 # In order to do that, we should use the archp <<
151 # asm-offsets.h is included in some files used <<
152 # asm-offsets.h is built in prepare0, for whic <<
153 # Therefore we need to generate the header aft <<
154 # this hack. <<
155 prepare: vdso_prepare <<
156 vdso_prepare: prepare0 <<
157 $(Q)$(MAKE) $(build)=arch/s390/kernel/ <<
158 $(if $(CONFIG_COMPAT),$(Q)$(MAKE) \ <<
159 $(build)=arch/s390/kernel/vdso <<
160 119
161 vdso-install-y += arch/s390/k !! 120 zdisk bzdisk: vmlinux
162 vdso-install-$(CONFIG_COMPAT) += arch/s390/k !! 121 $(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(BOOTIMAGE) zdisk
163 122
164 endif !! 123 install fdimage fdimage144 fdimage288: vmlinux
>> 124 $(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(BOOTIMAGE) $@
>> 125
>> 126 prepare: include/asm-$(ARCH)/asm_offsets.h
>> 127 CLEAN_FILES += include/asm-$(ARCH)/asm_offsets.h
>> 128
>> 129 arch/$(ARCH)/kernel/asm-offsets.s: include/asm include/linux/version.h \
>> 130 include/config/MARKER
>> 131
>> 132 include/asm-$(ARCH)/asm_offsets.h: arch/$(ARCH)/kernel/asm-offsets.s
>> 133 $(call filechk,gen-asm-offsets)
>> 134
>> 135 archclean:
>> 136 $(Q)$(MAKE) $(clean)=arch/i386/boot
165 137
166 # Don't use tabs in echo arguments <<
167 define archhelp 138 define archhelp
168 echo '* bzImage - Kernel image for !! 139 echo '* bzImage - Compressed kernel image (arch/$(ARCH)/boot/bzImage)'
169 echo ' install - Install kernel us !! 140 echo ' install - Install kernel using'
170 echo ' (your) ~/bin/$(IN !! 141 echo ' (your) ~/bin/installkernel or'
171 echo ' (distribution) /s !! 142 echo ' (distribution) /sbin/installkernel or'
172 echo ' install to $$(INS !! 143 echo ' install to $$(INSTALL_PATH) and run lilo'
>> 144 echo ' bzdisk - Create a boot floppy in /dev/fd0'
>> 145 echo ' fdimage - Create a boot floppy image'
173 endef 146 endef
>> 147
>> 148 CLEAN_FILES += arch/$(ARCH)/boot/fdimage arch/$(ARCH)/boot/mtools.conf
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