1 # SPDX-License-Identifier: GPL-2.0 <<
2 # 1 #
3 # s390/Makefile !! 2 # m68k/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" and "archdep" for cleaning up and making dependencies for
>> 7 # this architecture
7 # 8 #
8 # Copyright (C) 1994 by Linus Torvalds !! 9 # This file is subject to the terms and conditions of the GNU General Public
>> 10 # License. See the file "COPYING" in the main directory of this archive
>> 11 # for more details.
>> 12 #
>> 13 # Copyright (C) 1994 by Hamish Macdonald
>> 14 # Copyright (C) 2002,2011 Greg Ungerer <gerg@snapgear.com>
9 # 15 #
10 16
11 LD_BFD := elf64-s390 !! 17 KBUILD_DEFCONFIG := multi_defconfig
12 KBUILD_LDFLAGS := -m elf64_s390 <<
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) $(cfi) <<
117 export KBUILD_AFLAGS_DECOMPRESSOR <<
118 export KBUILD_CFLAGS_DECOMPRESSOR <<
119 <<
120 OBJCOPYFLAGS := -O binary <<
121 <<
122 libs-y += arch/s390/lib/ <<
123 <<
124 boot := arch/s390/boot <<
125 syscalls := arch/s390/kernel/syscalls <<
126 tools := arch/s390/tools <<
127 18
128 all: bzImage !! 19 ifneq ($(SUBARCH),$(ARCH))
>> 20 ifeq ($(CROSS_COMPILE),)
>> 21 CROSS_COMPILE := $(call cc-cross-prefix, \
>> 22 m68k-linux-gnu- m68k-linux- m68k-unknown-linux-gnu-)
>> 23 endif
>> 24 endif
129 25
130 #KBUILD_IMAGE is necessary for packaging targe !! 26 #
131 KBUILD_IMAGE := $(boot)/bzImage !! 27 # Enable processor type. Ordering of these is important - we want to
>> 28 # use the minimum processor type of the range we support. The logic
>> 29 # for 680x0 will only allow use of the -m68060 or -m68040 if no other
>> 30 # 680x0 type is specified - and no option is specified for 68030 or
>> 31 # 68020. The other m68k/ColdFire types always specify some type of
>> 32 # compiler cpu type flag.
>> 33 #
>> 34 ifndef CONFIG_M68040
>> 35 cpuflags-$(CONFIG_M68060) := -m68060
>> 36 endif
>> 37 ifndef CONFIG_M68060
>> 38 cpuflags-$(CONFIG_M68040) := -m68040
>> 39 endif
>> 40 cpuflags-$(CONFIG_M68030) :=
>> 41 cpuflags-$(CONFIG_M68020) :=
>> 42 cpuflags-$(CONFIG_M68000) := -m68000
>> 43 cpuflags-$(CONFIG_M5441x) := $(call cc-option,-mcpu=54455,-mcfv4e)
>> 44 cpuflags-$(CONFIG_M54xx) := $(call cc-option,-mcpu=5475,-m5200)
>> 45 cpuflags-$(CONFIG_M5407) := $(call cc-option,-mcpu=5407,-m5200)
>> 46 cpuflags-$(CONFIG_M532x) := $(call cc-option,-mcpu=532x,-m5307)
>> 47 cpuflags-$(CONFIG_M537x) := $(call cc-option,-mcpu=537x,-m5307)
>> 48 cpuflags-$(CONFIG_M5307) := $(call cc-option,-mcpu=5307,-m5200)
>> 49 cpuflags-$(CONFIG_M528x) := $(call cc-option,-mcpu=528x,-m5307)
>> 50 cpuflags-$(CONFIG_M5275) := $(call cc-option,-mcpu=5275,-m5307)
>> 51 cpuflags-$(CONFIG_M5272) := $(call cc-option,-mcpu=5272,-m5307)
>> 52 cpuflags-$(CONFIG_M5271) := $(call cc-option,-mcpu=5271,-m5307)
>> 53 cpuflags-$(CONFIG_M523x) := $(call cc-option,-mcpu=523x,-m5307)
>> 54 cpuflags-$(CONFIG_M525x) := $(call cc-option,-mcpu=5253,-m5200)
>> 55 cpuflags-$(CONFIG_M5249) := $(call cc-option,-mcpu=5249,-m5200)
>> 56 cpuflags-$(CONFIG_M520x) := $(call cc-option,-mcpu=5208,-m5200)
>> 57 cpuflags-$(CONFIG_M5206e) := $(call cc-option,-mcpu=5206e,-m5200)
>> 58 cpuflags-$(CONFIG_M5206) := $(call cc-option,-mcpu=5206,-m5200)
>> 59
>> 60 KBUILD_AFLAGS += $(cpuflags-y)
>> 61 KBUILD_CFLAGS += $(cpuflags-y) -pipe
>> 62 ifdef CONFIG_MMU
>> 63 # without -fno-strength-reduce the 53c7xx.c driver fails ;-(
>> 64 KBUILD_CFLAGS += -fno-strength-reduce -ffixed-a2
>> 65 else
>> 66 # we can use a m68k-linux-gcc toolchain with these in place
>> 67 KBUILD_CFLAGS += -DUTS_SYSNAME=\"uClinux\"
>> 68 KBUILD_CFLAGS += -D__uClinux__
>> 69 KBUILD_AFLAGS += -D__uClinux__
>> 70 endif
132 71
133 install: !! 72 KBUILD_LDFLAGS := -m m68kelf
134 $(call cmd,install) !! 73 KBUILD_LDFLAGS_MODULE += -T $(srctree)/arch/m68k/kernel/module.lds
135 74
136 bzImage: vmlinux !! 75 ifdef CONFIG_SUN3
137 $(Q)$(MAKE) $(build)=$(boot) $(boot)/$ !! 76 LDFLAGS_vmlinux = -N
>> 77 endif
138 78
139 zfcpdump: !! 79 CHECKFLAGS += -D__mc68000__
140 $(Q)$(MAKE) $(build)=$(boot) $(boot)/$ <<
141 80
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 $(build)=arch/s390/kernel/vdso <<
160 <<
161 vdso-install-y += arch/s390/k <<
162 vdso-install-$(CONFIG_COMPAT) += arch/s390/k <<
163 81
>> 82 ifdef CONFIG_KGDB
>> 83 # If configured for kgdb support, include debugging infos and keep the
>> 84 # frame pointer
>> 85 KBUILD_CFLAGS := $(subst -fomit-frame-pointer,,$(KBUILD_CFLAGS)) -g
164 endif 86 endif
165 87
166 # Don't use tabs in echo arguments !! 88 #
167 define archhelp !! 89 # Select the assembler head startup code. Order is important. The default
168 echo '* bzImage - Kernel image for !! 90 # head code is first, processor specific selections can override it after.
169 echo ' install - Install kernel us !! 91 #
170 echo ' (your) ~/bin/$(IN !! 92 head-y := arch/m68k/kernel/head.o
171 echo ' (distribution) /s !! 93 head-$(CONFIG_SUN3) := arch/m68k/kernel/sun3-head.o
172 echo ' install to $$(INS !! 94 head-$(CONFIG_M68000) := arch/m68k/68000/head.o
173 endef !! 95 head-$(CONFIG_COLDFIRE) := arch/m68k/coldfire/head.o
>> 96
>> 97 core-y += arch/m68k/kernel/ arch/m68k/mm/
>> 98 libs-y += arch/m68k/lib/
>> 99
>> 100 core-$(CONFIG_Q40) += arch/m68k/q40/
>> 101 core-$(CONFIG_AMIGA) += arch/m68k/amiga/
>> 102 core-$(CONFIG_ATARI) += arch/m68k/atari/
>> 103 core-$(CONFIG_MAC) += arch/m68k/mac/
>> 104 core-$(CONFIG_HP300) += arch/m68k/hp300/
>> 105 core-$(CONFIG_APOLLO) += arch/m68k/apollo/
>> 106 core-$(CONFIG_MVME147) += arch/m68k/mvme147/
>> 107 core-$(CONFIG_MVME16x) += arch/m68k/mvme16x/
>> 108 core-$(CONFIG_BVME6000) += arch/m68k/bvme6000/
>> 109 core-$(CONFIG_SUN3X) += arch/m68k/sun3x/ arch/m68k/sun3/
>> 110 core-$(CONFIG_SUN3) += arch/m68k/sun3/ arch/m68k/sun3/prom/
>> 111 core-$(CONFIG_NATFEAT) += arch/m68k/emu/
>> 112 core-$(CONFIG_M68040) += arch/m68k/fpsp040/
>> 113 core-$(CONFIG_M68060) += arch/m68k/ifpsp060/
>> 114 core-$(CONFIG_M68KFPU_EMU) += arch/m68k/math-emu/
>> 115 core-$(CONFIG_M68000) += arch/m68k/68000/
>> 116 core-$(CONFIG_COLDFIRE) += arch/m68k/coldfire/
>> 117
>> 118
>> 119 all: zImage
>> 120
>> 121 lilo: vmlinux
>> 122 if [ -f $(INSTALL_PATH)/vmlinux ]; then mv -f $(INSTALL_PATH)/vmlinux $(INSTALL_PATH)/vmlinux.old; fi
>> 123 if [ -f $(INSTALL_PATH)/System.map ]; then mv -f $(INSTALL_PATH)/System.map $(INSTALL_PATH)/System.old; fi
>> 124 cat vmlinux > $(INSTALL_PATH)/vmlinux
>> 125 cp System.map $(INSTALL_PATH)/System.map
>> 126 if [ -x /sbin/lilo ]; then /sbin/lilo; else /etc/lilo/install; fi
>> 127
>> 128 zImage compressed: vmlinux.gz
>> 129
>> 130 vmlinux.gz: vmlinux
>> 131
>> 132 ifndef CONFIG_KGDB
>> 133 cp vmlinux vmlinux.tmp
>> 134 $(STRIP) vmlinux.tmp
>> 135 gzip -9c vmlinux.tmp >vmlinux.gz
>> 136 rm vmlinux.tmp
>> 137 else
>> 138 gzip -9c vmlinux >vmlinux.gz
>> 139 endif
>> 140
>> 141 bzImage: vmlinux.bz2
>> 142
>> 143 vmlinux.bz2: vmlinux
>> 144
>> 145 ifndef CONFIG_KGDB
>> 146 cp vmlinux vmlinux.tmp
>> 147 $(STRIP) vmlinux.tmp
>> 148 bzip2 -1c vmlinux.tmp >vmlinux.bz2
>> 149 rm vmlinux.tmp
>> 150 else
>> 151 bzip2 -1c vmlinux >vmlinux.bz2
>> 152 endif
>> 153
>> 154 archclean:
>> 155 rm -f vmlinux.gz vmlinux.bz2
>> 156
>> 157 install:
>> 158 sh $(srctree)/arch/m68k/install.sh $(KERNELRELEASE) vmlinux.gz System.map "$(INSTALL_PATH)"
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