1 # SPDX-License-Identifier: GPL-2.0 !! 1 # $Id: Makefile,v 1.51.2.1 2002/03/14 01:26:21 kanoj Exp $
>> 2 # sparc64/Makefile
2 # 3 #
3 # s390/Makefile !! 4 # Makefile for the architecture dependent flags and dependencies on the
>> 5 # 64-bit Sparc.
4 # 6 #
5 # This file is included by the global makefile !! 7 # Copyright (C) 1996,1998 David S. Miller (davem@caip.rutgers.edu)
6 # architecture-specific flags and dependencies !! 8 # Copyright (C) 1998 Jakub Jelinek (jj@ultra.linux.cz)
7 # <<
8 # Copyright (C) 1994 by Linus Torvalds <<
9 # 9 #
10 10
11 LD_BFD := elf64-s390 !! 11 # If the solaris /bin/sh wasn't so broken, I wouldn't need the following
12 KBUILD_LDFLAGS := -m elf64_s390 !! 12 # line...
13 KBUILD_AFLAGS_MODULE += -fPIC !! 13 SHELL =/bin/bash
14 KBUILD_CFLAGS_MODULE += -fPIC !! 14
15 KBUILD_AFLAGS += -m64 !! 15 CC := $(shell if $(CC) -m64 -S -o /dev/null -xc /dev/null >/dev/null 2>&1; then echo $(CC); else echo sparc64-linux-gcc; fi )
16 KBUILD_CFLAGS += -m64 !! 16
17 KBUILD_CFLAGS += -fPIC !! 17 NEW_GCC := $(shell if $(CC) -m64 -mcmodel=medlow -S -o /dev/null -xc /dev/null >/dev/null 2>&1; then echo y; else echo n; fi; )
18 LDFLAGS_vmlinux := -no-pie --emit-relocs --dis !! 18 NEW_GAS := $(shell if $(LD) -V 2>&1 | grep 'elf64_sparc' > /dev/null; then echo y; else echo n; fi)
19 extra_tools := relocs !! 19 UNDECLARED_REGS := $(shell if $(CC) -c -x assembler /dev/null -Wa,--help | grep undeclared-regs > /dev/null; then echo y; else echo n; fi; )
20 aflags_dwarf := -Wa,-gdwarf-2 !! 20 INLINE_LIMIT := $(shell if $(CC) -m64 -finline-limit=100000 -S -o /dev/null -xc /dev/null >/dev/null 2>&1; then echo y; else echo n; fi; )
21 KBUILD_AFLAGS_DECOMPRESSOR := $(CLANG_FLAGS) - !! 21
22 ifndef CONFIG_AS_IS_LLVM !! 22 export NEW_GCC
23 KBUILD_AFLAGS_DECOMPRESSOR += $(if $(CONFIG_DE !! 23
24 endif !! 24 ifneq ($(NEW_GAS),y)
25 KBUILD_CFLAGS_DECOMPRESSOR := $(CLANG_FLAGS) - !! 25 AS = sparc64-linux-as
26 KBUILD_CFLAGS_DECOMPRESSOR += -DDISABLE_BRANCH !! 26 LD = sparc64-linux-ld
27 KBUILD_CFLAGS_DECOMPRESSOR += -D__DECOMPRESSOR !! 27 NM = sparc64-linux-nm
28 KBUILD_CFLAGS_DECOMPRESSOR += -fno-delete-null !! 28 AR = sparc64-linux-ar
29 KBUILD_CFLAGS_DECOMPRESSOR += -fno-asynchronou !! 29 RANLIB = sparc64-linux-ranlib
30 KBUILD_CFLAGS_DECOMPRESSOR += -ffreestanding !! 30 else
31 KBUILD_CFLAGS_DECOMPRESSOR += -fno-stack-prote !! 31 AS := $(AS) -64
32 KBUILD_CFLAGS_DECOMPRESSOR += -fPIE !! 32 LD := $(LD) -m elf64_sparc
33 KBUILD_CFLAGS_DECOMPRESSOR += $(call cc-disabl !! 33 endif
34 KBUILD_CFLAGS_DECOMPRESSOR += $(if $(CONFIG_DE !! 34 ELFTOAOUT = elftoaout
35 KBUILD_CFLAGS_DECOMPRESSOR += $(if $(CONFIG_DE !! 35 ifneq ($(UNDECLARED_REGS),y)
36 KBUILD_CFLAGS_DECOMPRESSOR += $(if $(CONFIG_CC !! 36 CC_UNDECL =
37 !! 37 else
38 UTS_MACHINE := s390x !! 38 CC_UNDECL = -Wa,--undeclared-regs
39 STACK_SIZE := $(if $(CONFIG_KASAN),65536, !! 39 AS := $(AS) --undeclared-regs
40 CHECKFLAGS += -D__s390__ -D__s390x__ !! 40 endif
41 <<
42 export LD_BFD <<
43 <<
44 mflags-$(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 41
65 cflags-y += -Wa,-I$(srctree)/arch/$(ARCH)/incl !! 42 ifneq ($(NEW_GCC),y)
>> 43 CFLAGS := $(CFLAGS) -pipe -mno-fpu -mtune=ultrasparc -mmedlow \
>> 44 -ffixed-g4 -fcall-used-g5 -fcall-used-g7 -Wno-sign-compare
>> 45 else
>> 46 CFLAGS := $(CFLAGS) -m64 -pipe -mno-fpu -mcpu=ultrasparc -mcmodel=medlow \
>> 47 -ffixed-g4 -fcall-used-g5 -fcall-used-g7 -Wno-sign-compare \
>> 48 $(CC_UNDECL)
>> 49 AFLAGS += -m64 -mcpu=ultrasparc $(CC_UNDECL)
>> 50 endif
66 51
67 # !! 52 ifeq ($(INLINE_LIMIT),y)
68 # Prevent tail-call optimizations, to get clea !! 53 CFLAGS := $(CFLAGS) -finline-limit=100000
69 # !! 54 endif
70 cflags-$(CONFIG_FRAME_POINTER) += -fno-optimiz !! 55
>> 56 ifeq ($(CONFIG_MCOUNT),y)
>> 57 CFLAGS := $(subst -fomit-frame-pointer,,$(CFLAGS))
>> 58 CFLAGS := $(CFLAGS) -pg
>> 59 endif
>> 60
>> 61 LINKFLAGS = -T arch/sparc64/vmlinux.lds
>> 62
>> 63 HEAD := arch/sparc64/kernel/head.o arch/sparc64/kernel/init_task.o
>> 64
>> 65 SUBDIRS += arch/sparc64/kernel arch/sparc64/lib arch/sparc64/mm \
>> 66 arch/sparc64/prom
>> 67
>> 68 ifneq ($(CONFIG_SOLARIS_EMUL),n)
>> 69 SUBDIRS += arch/sparc64/solaris
>> 70 endif
>> 71
>> 72 SUBDIRS += arch/sparc64/math-emu
>> 73
>> 74 CORE_FILES := arch/sparc64/kernel/kernel.o arch/sparc64/mm/mm.o $(CORE_FILES)
>> 75
>> 76 ifeq ($(CONFIG_SOLARIS_EMUL),y)
>> 77 CORE_FILES += arch/sparc64/solaris/solaris.o
>> 78 endif
>> 79
>> 80 CORE_FILES += arch/sparc64/math-emu/math-emu.o
>> 81
>> 82 LIBS := $(TOPDIR)/lib/lib.a $(LIBS) $(TOPDIR)/arch/sparc64/prom/promlib.a \
>> 83 $(TOPDIR)/arch/sparc64/lib/lib.a
>> 84
>> 85 vmlinux.aout: vmlinux
>> 86 $(ELFTOAOUT) -o $(TOPDIR)/vmlinux.aout $(TOPDIR)/vmlinux
>> 87
>> 88 archmrproper:
>> 89 rm -f $(TOPDIR)/include/asm-sparc64/asm_offsets.h
>> 90
>> 91 archdep: check_asm
>> 92
>> 93 check_asm: include/linux/version.h
>> 94 $(MAKE) -C arch/sparc64/kernel check_asm
>> 95
>> 96
>> 97 MAKEBOOT = $(MAKE) -C arch/$(ARCH)/boot
>> 98
>> 99 archclean:
>> 100 @$(MAKEBOOT) clean
71 101
72 KBUILD_AFLAGS_DECOMPRESSOR += $(aflags-y) !! 102 tftpboot.img:
73 KBUILD_CFLAGS_DECOMPRESSOR += $(cflags-y) !! 103 @$(MAKEBOOT) tftpboot.img
74 104
75 ifneq ($(call cc-option,-mstack-size=8192 -mst !! 105 image:
76 CC_FLAGS_CHECK_STACK := -mstack-size=$(STACK !! 106 @$(MAKEBOOT) image
77 ifeq ($(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 <<
128 all: bzImage <<
129 <<
130 #KBUILD_IMAGE is necessary for packaging targe <<
131 KBUILD_IMAGE := $(boot)/bzImage <<
132 <<
133 install: <<
134 $(call cmd,install) <<
135 <<
136 bzImage: vmlinux <<
137 $(Q)$(MAKE) $(build)=$(boot) $(boot)/$ <<
138 <<
139 zfcpdump: <<
140 $(Q)$(MAKE) $(build)=$(boot) $(boot)/$ <<
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 $(build)=arch/s390/kernel/vdso <<
160 <<
161 vdso-install-y += arch/s390/k <<
162 vdso-install-$(CONFIG_COMPAT) += arch/s390/k <<
163 <<
164 endif <<
165 <<
166 # Don't use tabs in echo arguments <<
167 define archhelp <<
168 echo '* bzImage - Kernel image for <<
169 echo ' install - Install kernel us <<
170 echo ' (your) ~/bin/$(IN <<
171 echo ' (distribution) /s <<
172 echo ' install to $$(INS <<
173 endef <<
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