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.
7 # 6 #
8 # Copyright (C) 1994 by Linus Torvalds !! 7 # This file is subject to the terms and conditions of the GNU General Public
>> 8 # License. See the file "COPYING" in the main directory of this archive
>> 9 # for more details.
9 # 10 #
>> 11 # Copyright (C) 1994 by Hamish Macdonald
>> 12 # Copyright (C) 2002,2011 Greg Ungerer <gerg@snapgear.com>
>> 13 #
>> 14
>> 15 KBUILD_DEFCONFIG := multi_defconfig
>> 16
>> 17 ifdef cross_compiling
>> 18 ifeq ($(CROSS_COMPILE),)
>> 19 CROSS_COMPILE := $(call cc-cross-prefix, \
>> 20 m68k-linux-gnu- m68k-linux- m68k-unknown-linux-gnu-)
>> 21 endif
>> 22 endif
10 23
11 LD_BFD := elf64-s390 !! 24 #
12 KBUILD_LDFLAGS := -m elf64_s390 !! 25 # Enable processor type. Ordering of these is important - we want to
13 KBUILD_AFLAGS_MODULE += -fPIC !! 26 # use the minimum processor type of the range we support. The logic
14 KBUILD_CFLAGS_MODULE += -fPIC !! 27 # for 680x0 will only allow use of the -m68060 or -m68040 if no other
15 KBUILD_AFLAGS += -m64 !! 28 # 680x0 type is specified - and no option is specified for 68030 or
16 KBUILD_CFLAGS += -m64 !! 29 # 68020. The other m68k/ColdFire types always specify some type of
17 KBUILD_CFLAGS += -fPIC !! 30 # compiler cpu type flag.
18 LDFLAGS_vmlinux := -no-pie --emit-relocs --dis !! 31 #
19 extra_tools := relocs !! 32 ifndef CONFIG_M68040
20 aflags_dwarf := -Wa,-gdwarf-2 !! 33 cpuflags-$(CONFIG_M68060) = -m68060
21 KBUILD_AFLAGS_DECOMPRESSOR := $(CLANG_FLAGS) - !! 34 endif
22 ifndef CONFIG_AS_IS_LLVM !! 35 ifndef CONFIG_M68060
23 KBUILD_AFLAGS_DECOMPRESSOR += $(if $(CONFIG_DE !! 36 cpuflags-$(CONFIG_M68040) = -m68040
24 endif !! 37 endif
25 KBUILD_CFLAGS_DECOMPRESSOR := $(CLANG_FLAGS) - !! 38 cpuflags-$(CONFIG_M68030) =
26 KBUILD_CFLAGS_DECOMPRESSOR += -DDISABLE_BRANCH !! 39 cpuflags-$(CONFIG_M68020) =
27 KBUILD_CFLAGS_DECOMPRESSOR += -D__DECOMPRESSOR !! 40 cpuflags-$(CONFIG_M68000) = -m68000
28 KBUILD_CFLAGS_DECOMPRESSOR += -fno-delete-null !! 41 cpuflags-$(CONFIG_M5441x) = $(call cc-option,-mcpu=54455,-mcfv4e)
29 KBUILD_CFLAGS_DECOMPRESSOR += -fno-asynchronou !! 42 cpuflags-$(CONFIG_M54xx) = $(call cc-option,-mcpu=5475,-m5200)
30 KBUILD_CFLAGS_DECOMPRESSOR += -ffreestanding !! 43 cpuflags-$(CONFIG_M5407) = $(call cc-option,-mcpu=5407,-m5200)
31 KBUILD_CFLAGS_DECOMPRESSOR += -fno-stack-prote !! 44 cpuflags-$(CONFIG_M532x) = $(call cc-option,-mcpu=532x,-m5307)
32 KBUILD_CFLAGS_DECOMPRESSOR += -fPIE !! 45 cpuflags-$(CONFIG_M537x) = $(call cc-option,-mcpu=537x,-m5307)
33 KBUILD_CFLAGS_DECOMPRESSOR += $(call cc-disabl !! 46 cpuflags-$(CONFIG_M5307) = $(call cc-option,-mcpu=5307,-m5200)
34 KBUILD_CFLAGS_DECOMPRESSOR += $(if $(CONFIG_DE !! 47 cpuflags-$(CONFIG_M528x) = $(call cc-option,-mcpu=528x,-m5307)
35 KBUILD_CFLAGS_DECOMPRESSOR += $(if $(CONFIG_DE !! 48 cpuflags-$(CONFIG_M5275) = $(call cc-option,-mcpu=5275,-m5307)
36 KBUILD_CFLAGS_DECOMPRESSOR += $(if $(CONFIG_CC !! 49 cpuflags-$(CONFIG_M5272) = $(call cc-option,-mcpu=5272,-m5307)
37 !! 50 cpuflags-$(CONFIG_M5271) = $(call cc-option,-mcpu=5271,-m5307)
38 UTS_MACHINE := s390x !! 51 cpuflags-$(CONFIG_M523x) = $(call cc-option,-mcpu=523x,-m5307)
39 STACK_SIZE := $(if $(CONFIG_KASAN),65536, !! 52 cpuflags-$(CONFIG_M525x) = $(call cc-option,-mcpu=5253,-m5200)
40 CHECKFLAGS += -D__s390__ -D__s390x__ !! 53 cpuflags-$(CONFIG_M5249) = $(call cc-option,-mcpu=5249,-m5200)
41 !! 54 cpuflags-$(CONFIG_M520x) = $(call cc-option,-mcpu=5208,-m5200)
42 export LD_BFD !! 55 cpuflags-$(CONFIG_M5206e) = $(call cc-option,-mcpu=5206e,-m5200)
43 !! 56 cpuflags-$(CONFIG_M5206) = $(call cc-option,-mcpu=5206,-m5200)
44 mflags-$(CONFIG_MARCH_Z10) := -march=z10 !! 57
45 mflags-$(CONFIG_MARCH_Z196) := -march=z196 !! 58 # Evaluate tune cc-option calls now
46 mflags-$(CONFIG_MARCH_ZEC12) := -march=zEC12 !! 59 cpuflags-y := $(cpuflags-y)
47 mflags-$(CONFIG_MARCH_Z13) := -march=z13 !! 60
48 mflags-$(CONFIG_MARCH_Z14) := -march=z14 !! 61 KBUILD_AFLAGS += $(cpuflags-y)
49 mflags-$(CONFIG_MARCH_Z15) := -march=z15 !! 62 KBUILD_CFLAGS += $(cpuflags-y)
50 mflags-$(CONFIG_MARCH_Z16) := -march=z16 !! 63
51 !! 64 KBUILD_CFLAGS += -pipe -ffreestanding
52 export CC_FLAGS_MARCH := $(mflags-y) !! 65
53 !! 66 ifdef CONFIG_MMU
54 aflags-y += $(mflags-y) !! 67 KBUILD_CFLAGS += -ffixed-a2
55 cflags-y += $(mflags-y) !! 68 else
56 !! 69 # we can use a m68k-linux-gcc toolchain with these in place
57 cflags-$(CONFIG_MARCH_Z10_TUNE) += -mt !! 70 KBUILD_CPPFLAGS += -DUTS_SYSNAME=\"uClinux\"
58 cflags-$(CONFIG_MARCH_Z196_TUNE) += -mt !! 71 KBUILD_CPPFLAGS += -D__uClinux__
59 cflags-$(CONFIG_MARCH_ZEC12_TUNE) += -mt !! 72 endif
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 73
128 all: bzImage !! 74 KBUILD_LDFLAGS := -m m68kelf
129 75
130 #KBUILD_IMAGE is necessary for packaging targe !! 76 ifdef CONFIG_SUN3
131 KBUILD_IMAGE := $(boot)/bzImage !! 77 LDFLAGS_vmlinux = -N
>> 78 endif
132 79
133 install: !! 80 CHECKFLAGS += -D__mc68000__
134 $(call cmd,install) <<
135 81
136 bzImage: vmlinux <<
137 $(Q)$(MAKE) $(build)=$(boot) $(boot)/$ <<
138 82
139 zfcpdump: !! 83 ifdef CONFIG_KGDB
140 $(Q)$(MAKE) $(build)=$(boot) $(boot)/$ !! 84 # If configured for kgdb support, include debugging infos and keep the
>> 85 # frame pointer
>> 86 KBUILD_CFLAGS := $(subst -fomit-frame-pointer,,$(KBUILD_CFLAGS)) -g
>> 87 endif
141 88
142 archheaders: !! 89 #
143 $(Q)$(MAKE) $(build)=$(syscalls) uapi !! 90 # Select the assembler head startup code. Order is important. The default
>> 91 # head code is first, processor specific selections can override it after.
>> 92 #
>> 93 head-y := arch/m68k/kernel/head.o
>> 94 head-$(CONFIG_SUN3) := arch/m68k/kernel/sun3-head.o
>> 95 head-$(CONFIG_M68000) := arch/m68k/68000/head.o
>> 96 head-$(CONFIG_COLDFIRE) := arch/m68k/coldfire/head.o
>> 97
>> 98 libs-y += arch/m68k/lib/
>> 99
>> 100
>> 101 all: zImage
>> 102
>> 103 lilo: vmlinux
>> 104 if [ -f $(INSTALL_PATH)/vmlinux ]; then mv -f $(INSTALL_PATH)/vmlinux $(INSTALL_PATH)/vmlinux.old; fi
>> 105 if [ -f $(INSTALL_PATH)/System.map ]; then mv -f $(INSTALL_PATH)/System.map $(INSTALL_PATH)/System.old; fi
>> 106 cat vmlinux > $(INSTALL_PATH)/vmlinux
>> 107 cp System.map $(INSTALL_PATH)/System.map
>> 108 if [ -x /sbin/lilo ]; then /sbin/lilo; else /etc/lilo/install; fi
>> 109
>> 110 zImage compressed: vmlinux.gz
>> 111
>> 112 vmlinux.gz: vmlinux
144 113
145 archprepare: !! 114 ifndef CONFIG_KGDB
146 $(Q)$(MAKE) $(build)=$(syscalls) kapi !! 115 cp vmlinux vmlinux.tmp
147 $(Q)$(MAKE) $(build)=$(tools) kapi $(e !! 116 $(STRIP) vmlinux.tmp
148 ifeq ($(KBUILD_EXTMOD),) !! 117 $(KGZIP) -9c vmlinux.tmp >vmlinux.gz
149 # We need to generate vdso-offsets.h before co !! 118 rm vmlinux.tmp
150 # In order to do that, we should use the archp !! 119 else
151 # asm-offsets.h is included in some files used !! 120 $(KGZIP) -9c vmlinux >vmlinux.gz
152 # asm-offsets.h is built in prepare0, for whic !! 121 endif
153 # Therefore we need to generate the header aft !! 122
154 # this hack. !! 123 bzImage: vmlinux.bz2
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 <<
163 124
>> 125 vmlinux.bz2: vmlinux
>> 126
>> 127 ifndef CONFIG_KGDB
>> 128 cp vmlinux vmlinux.tmp
>> 129 $(STRIP) vmlinux.tmp
>> 130 $(KBZIP2) -1c vmlinux.tmp >vmlinux.bz2
>> 131 rm vmlinux.tmp
>> 132 else
>> 133 $(KBZIP2) -1c vmlinux >vmlinux.bz2
164 endif 134 endif
165 135
166 # Don't use tabs in echo arguments !! 136 CLEAN_FILES += vmlinux.gz vmlinux.bz2
167 define archhelp !! 137
168 echo '* bzImage - Kernel image for !! 138 archheaders:
169 echo ' install - Install kernel us !! 139 $(Q)$(MAKE) $(build)=arch/m68k/kernel/syscalls all
170 echo ' (your) ~/bin/$(IN !! 140
171 echo ' (distribution) /s !! 141 install:
172 echo ' install to $$(INS !! 142 sh $(srctree)/arch/m68k/install.sh $(KERNELRELEASE) vmlinux.gz System.map "$(INSTALL_PATH)"
173 endef <<
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