Merge tag 'v3.14.25' into backport/v3.14.24-ltsi-rc1+v3.14.25/snapshot-merge.wip
[platform/adaptation/renesas_rcar/renesas_kernel.git] / arch / s390 / Makefile
1 #
2 # s390/Makefile
3 #
4 # This file is included by the global makefile so that you can add your own
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
8 #
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 Linus Torvalds
14 #
15
16 ifndef CONFIG_64BIT
17 LD_BFD          := elf32-s390
18 LDFLAGS         := -m elf_s390
19 KBUILD_CFLAGS   += -m31
20 KBUILD_AFLAGS   += -m31
21 UTS_MACHINE     := s390
22 STACK_SIZE      := 8192
23 CHECKFLAGS      += -D__s390__ -msize-long
24 else
25 LD_BFD          := elf64-s390
26 LDFLAGS         := -m elf64_s390
27 KBUILD_AFLAGS_MODULE += -fPIC
28 KBUILD_CFLAGS_MODULE += -fPIC
29 KBUILD_CFLAGS   += -m64
30 KBUILD_AFLAGS   += -m64
31 UTS_MACHINE     := s390x
32 STACK_SIZE      := 16384
33 CHECKFLAGS      += -D__s390__ -D__s390x__
34 endif
35
36 export LD_BFD
37
38 cflags-$(CONFIG_MARCH_G5)     += -march=g5
39 cflags-$(CONFIG_MARCH_Z900)   += -march=z900
40 cflags-$(CONFIG_MARCH_Z990)   += -march=z990
41 cflags-$(CONFIG_MARCH_Z9_109) += -march=z9-109
42 cflags-$(CONFIG_MARCH_Z10)    += -march=z10
43 cflags-$(CONFIG_MARCH_Z196)   += -march=z196
44 cflags-$(CONFIG_MARCH_ZEC12)  += -march=zEC12
45
46 cflags-$(CONFIG_MARCH_G5_TUNE)          += -mtune=g5
47 cflags-$(CONFIG_MARCH_Z900_TUNE)        += -mtune=z900
48 cflags-$(CONFIG_MARCH_Z990_TUNE)        += -mtune=z990
49 cflags-$(CONFIG_MARCH_Z9_109_TUNE)      += -mtune=z9-109
50 cflags-$(CONFIG_MARCH_Z10_TUNE)         += -mtune=z10
51 cflags-$(CONFIG_MARCH_Z196_TUNE)        += -mtune=z196
52 cflags-$(CONFIG_MARCH_ZEC12_TUNE)       += -mtune=zEC12
53
54 #KBUILD_IMAGE is necessary for make rpm
55 KBUILD_IMAGE    :=arch/s390/boot/image
56
57 #
58 # Prevent tail-call optimizations, to get clearer backtraces:
59 #
60 cflags-$(CONFIG_FRAME_POINTER) += -fno-optimize-sibling-calls
61
62 # old style option for packed stacks
63 ifeq ($(call cc-option-yn,-mkernel-backchain),y)
64 cflags-$(CONFIG_PACK_STACK)  += -mkernel-backchain -D__PACK_STACK
65 aflags-$(CONFIG_PACK_STACK)  += -D__PACK_STACK
66 endif
67
68 # new style option for packed stacks
69 ifeq ($(call cc-option-yn,-mpacked-stack),y)
70 cflags-$(CONFIG_PACK_STACK)  += -mpacked-stack -D__PACK_STACK
71 aflags-$(CONFIG_PACK_STACK)  += -D__PACK_STACK
72 endif
73
74 ifeq ($(call cc-option-yn,-mstack-size=8192 -mstack-guard=128),y)
75 cflags-$(CONFIG_CHECK_STACK) += -mstack-size=$(STACK_SIZE)
76 ifneq ($(call cc-option-yn,-mstack-size=8192),y)
77 cflags-$(CONFIG_CHECK_STACK) += -mstack-guard=$(CONFIG_STACK_GUARD)
78 endif
79 endif
80
81 ifeq ($(call cc-option-yn,-mwarn-dynamicstack),y)
82 cflags-$(CONFIG_WARN_DYNAMIC_STACK) += -mwarn-dynamicstack
83 endif
84
85 KBUILD_CFLAGS   += -mbackchain -msoft-float $(cflags-y)
86 KBUILD_CFLAGS   += -pipe -fno-strength-reduce -Wno-sign-compare
87 KBUILD_AFLAGS   += $(aflags-y)
88
89 OBJCOPYFLAGS    := -O binary
90
91 head-y          := arch/s390/kernel/head.o
92 head-y          += arch/s390/kernel/$(if $(CONFIG_64BIT),head64.o,head31.o)
93
94 # See arch/s390/Kbuild for content of core part of the kernel
95 core-y          += arch/s390/
96
97 libs-y          += arch/s390/lib/
98 drivers-y       += drivers/s390/
99
100 # must be linked after kernel
101 drivers-$(CONFIG_OPROFILE)      += arch/s390/oprofile/
102
103 boot            := arch/s390/boot
104
105 all: image bzImage
106
107 install: vmlinux
108         $(Q)$(MAKE) $(build)=$(boot) $@
109
110 image bzImage: vmlinux
111         $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
112
113 zfcpdump:
114         $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
115
116 vdso_install:
117 ifeq ($(CONFIG_64BIT),y)
118         $(Q)$(MAKE) $(build)=arch/$(ARCH)/kernel/vdso64 $@
119 endif
120         $(Q)$(MAKE) $(build)=arch/$(ARCH)/kernel/vdso32 $@
121
122 archclean:
123         $(Q)$(MAKE) $(clean)=$(boot)
124
125 # Don't use tabs in echo arguments
126 define archhelp
127   echo  '* image           - Kernel image for IPL ($(boot)/image)'
128   echo  '* bzImage         - Compressed kernel image for IPL ($(boot)/bzImage)'
129 endef