1 # SPDX-License-Identifier: GPL-2.0 !! 1 # $Id: Makefile,v 1.52 2002/02/09 19:49:31 davem 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 AFLAGS_vmlinux.lds.o += -Usparc
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 12
65 cflags-y += -Wa,-I$(srctree)/arch/$(ARCH)/incl !! 13 CC := $(shell if gcc -m64 -S -o /dev/null -xc /dev/null >/dev/null 2>&1; then echo gcc; else echo sparc64-linux-gcc; fi )
66 14
67 # !! 15 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; )
68 # Prevent tail-call optimizations, to get clea !! 16 NEW_GAS := $(shell if $(LD) -V 2>&1 | grep 'elf64_sparc' > /dev/null; then echo y; else echo n; fi)
69 # !! 17 UNDECLARED_REGS := $(shell if $(CC) -c -x assembler /dev/null -Wa,--help | grep undeclared-regs > /dev/null; then echo y; else echo n; fi; )
70 cflags-$(CONFIG_FRAME_POINTER) += -fno-optimiz !! 18 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; )
71 19
72 KBUILD_AFLAGS_DECOMPRESSOR += $(aflags-y) !! 20 export NEW_GCC
73 KBUILD_CFLAGS_DECOMPRESSOR += $(cflags-y) <<
74 21
75 ifneq ($(call cc-option,-mstack-size=8192 -mst !! 22 ifneq ($(NEW_GAS),y)
76 CC_FLAGS_CHECK_STACK := -mstack-size=$(STACK !! 23 AS = sparc64-linux-as
77 ifeq ($(call cc-option,-mstack-size=8192),) !! 24 LD = sparc64-linux-ld
78 CC_FLAGS_CHECK_STACK += -mstack-guard=$(CO !! 25 NM = sparc64-linux-nm
79 endif !! 26 AR = sparc64-linux-ar
80 export CC_FLAGS_CHECK_STACK !! 27 RANLIB = sparc64-linux-ranlib
81 cflags-$(CONFIG_CHECK_STACK) += $(CC_FLAGS_C !! 28 else
>> 29 AS := $(AS) -64
>> 30 LDFLAGS := -m elf64_sparc
82 endif 31 endif
83 32
84 ifdef CONFIG_EXPOLINE !! 33 ifneq ($(UNDECLARED_REGS),y)
85 ifdef CONFIG_EXPOLINE_EXTERN !! 34 CC_UNDECL =
86 CC_FLAGS_EXPOLINE := -mindirect-branch=thu !! 35 else
87 CC_FLAGS_EXPOLINE += -mfunction-return=thu !! 36 CC_UNDECL = -Wa,--undeclared-regs
88 else !! 37 AS := $(AS) --undeclared-regs
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 += $(CC_FLAGS_EXPOLINE) -DCC_USING_ <<
95 aflags-y += -DCC_USING_EXPOLINE <<
96 endif 38 endif
97 39
98 ifdef CONFIG_FUNCTION_TRACER !! 40 ifneq ($(NEW_GCC),y)
99 ifeq ($(call cc-option,-mfentry -mnop-mcount !! 41 CFLAGS := $(CFLAGS) -pipe -mno-fpu -mtune=ultrasparc -mmedlow \
100 # make use of hotpatch feature if the comp !! 42 -ffixed-g4 -fcall-used-g5 -fcall-used-g7 -Wno-sign-compare
101 cc_hotpatch := -mhotpatch=0,3 !! 43 else
102 ifneq ($(call cc-option,$(cc_hotpatch)),) !! 44 CFLAGS := $(CFLAGS) -m64 -pipe -mno-fpu -mcpu=ultrasparc -mcmodel=medlow \
103 CC_FLAGS_FTRACE := $(cc_hotpatch) !! 45 -ffixed-g4 -fcall-used-g5 -fcall-used-g7 -Wno-sign-compare \
104 KBUILD_AFLAGS += -DCC_USING_HOTPATCH !! 46 $(CC_UNDECL)
105 KBUILD_CFLAGS += -DCC_USING_HOTPATCH !! 47 AFLAGS += -m64 -mcpu=ultrasparc $(CC_UNDECL)
106 endif <<
107 endif <<
108 endif 48 endif
109 49
110 # Test CFI features of binutils !! 50 ifeq ($(INLINE_LIMIT),y)
111 cfi := $(call as-instr,.cfi_startproc\n.cfi_va !! 51 CFLAGS := $(CFLAGS) -finline-limit=100000
112 !! 52 endif
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) $(cfi) <<
117 export KBUILD_AFLAGS_DECOMPRESSOR <<
118 export KBUILD_CFLAGS_DECOMPRESSOR <<
119 <<
120 OBJCOPYFLAGS := -O binary <<
121 <<
122 libs-y += arch/s390/lib/ <<
123 53
124 boot := arch/s390/boot !! 54 ifeq ($(CONFIG_MCOUNT),y)
125 syscalls := arch/s390/kernel/syscalls !! 55 CFLAGS := $(subst -fomit-frame-pointer,,$(CFLAGS))
126 tools := arch/s390/tools !! 56 CFLAGS := $(CFLAGS) -pg
>> 57 endif
127 58
128 all: bzImage !! 59 head-y := arch/sparc64/kernel/head.o arch/sparc64/kernel/init_task.o
129 60
130 #KBUILD_IMAGE is necessary for packaging targe !! 61 core-y += arch/sparc64/kernel/ arch/sparc64/mm/
131 KBUILD_IMAGE := $(boot)/bzImage !! 62 core-$(CONFIG_SOLARIS_EMUL) += arch/sparc64/solaris/
>> 63 core-y += arch/sparc64/math-emu/
>> 64 libs-y += arch/sparc64/prom/ arch/sparc64/lib/
132 65
133 install: !! 66 # FIXME: is drivers- right?
134 $(call cmd,install) !! 67 drivers-$(CONFIG_OPROFILE) += arch/sparc64/oprofile/
135 68
136 bzImage: vmlinux !! 69 boot := arch/sparc64/boot
137 $(Q)$(MAKE) $(build)=$(boot) $(boot)/$ <<
138 70
139 zfcpdump: !! 71 image tftpboot.img vmlinux.aout: vmlinux
140 $(Q)$(MAKE) $(build)=$(boot) $(boot)/$ 72 $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
141 73
142 archheaders: !! 74 archclean:
143 $(Q)$(MAKE) $(build)=$(syscalls) uapi !! 75 $(Q)$(MAKE) $(clean)=$(boot)
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 76
164 endif <<
165 <<
166 # Don't use tabs in echo arguments <<
167 define archhelp 77 define archhelp
168 echo '* bzImage - Kernel image for !! 78 echo '* vmlinux - Standard sparc64 kernel'
169 echo ' install - Install kernel us !! 79 echo ' vmlinux.aout - a.out kernel for sparc64'
170 echo ' (your) ~/bin/$(IN !! 80 echo ' tftpboot.img - Image prepared for tftp'
171 echo ' (distribution) /s <<
172 echo ' install to $$(INS <<
173 endef 81 endef
>> 82
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