Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/teigland/dlm
[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 -D__PIC__
28 KBUILD_CFLAGS_MODULE += -fpic -D__PIC__
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)   += $(call cc-option,-march=g5)
39 cflags-$(CONFIG_MARCH_Z900) += $(call cc-option,-march=z900)
40 cflags-$(CONFIG_MARCH_Z990) += $(call cc-option,-march=z990)
41 cflags-$(CONFIG_MARCH_Z9_109) += $(call cc-option,-march=z9-109)
42 cflags-$(CONFIG_MARCH_Z10) += $(call cc-option,-march=z10)
43 cflags-$(CONFIG_MARCH_Z196) += $(call cc-option,-march=z196)
44
45 #KBUILD_IMAGE is necessary for make rpm
46 KBUILD_IMAGE    :=arch/s390/boot/image
47
48 #
49 # Prevent tail-call optimizations, to get clearer backtraces:
50 #
51 cflags-$(CONFIG_FRAME_POINTER) += -fno-optimize-sibling-calls
52
53 # old style option for packed stacks
54 ifeq ($(call cc-option-yn,-mkernel-backchain),y)
55 cflags-$(CONFIG_PACK_STACK)  += -mkernel-backchain -D__PACK_STACK
56 aflags-$(CONFIG_PACK_STACK)  += -D__PACK_STACK
57 cflags-$(CONFIG_SMALL_STACK) += -D__SMALL_STACK
58 aflags-$(CONFIG_SMALL_STACK) += -D__SMALL_STACK
59 ifdef CONFIG_SMALL_STACK
60 STACK_SIZE := $(shell echo $$(($(STACK_SIZE)/2)) )
61 endif
62 endif
63
64 # new style option for packed stacks
65 ifeq ($(call cc-option-yn,-mpacked-stack),y)
66 cflags-$(CONFIG_PACK_STACK)  += -mpacked-stack -D__PACK_STACK
67 aflags-$(CONFIG_PACK_STACK)  += -D__PACK_STACK
68 cflags-$(CONFIG_SMALL_STACK) += -D__SMALL_STACK
69 aflags-$(CONFIG_SMALL_STACK) += -D__SMALL_STACK
70 ifdef CONFIG_SMALL_STACK
71 STACK_SIZE := $(shell echo $$(($(STACK_SIZE)/2)) )
72 endif
73 endif
74
75 ifeq ($(call cc-option-yn,-mstack-size=8192 -mstack-guard=128),y)
76 cflags-$(CONFIG_CHECK_STACK) += -mstack-size=$(STACK_SIZE)
77 ifneq ($(call cc-option-yn,-mstack-size=8192),y)
78 cflags-$(CONFIG_CHECK_STACK) += -mstack-guard=$(CONFIG_STACK_GUARD)
79 endif
80 endif
81
82 ifeq ($(call cc-option-yn,-mwarn-dynamicstack),y)
83 cflags-$(CONFIG_WARN_DYNAMIC_STACK) += -mwarn-dynamicstack
84 endif
85
86 KBUILD_CFLAGS   += -mbackchain -msoft-float $(cflags-y)
87 KBUILD_CFLAGS   += -pipe -fno-strength-reduce -Wno-sign-compare
88 KBUILD_AFLAGS   += $(aflags-y)
89
90 OBJCOPYFLAGS    := -O binary
91 LDFLAGS_vmlinux := -e start
92
93 head-y          := arch/s390/kernel/head.o
94 head-y          += arch/s390/kernel/$(if $(CONFIG_64BIT),head64.o,head31.o)
95 head-y          += arch/s390/kernel/init_task.o
96
97 # See arch/s390/Kbuild for content of core part of the kernel
98 core-y          += arch/s390/
99
100 libs-y          += arch/s390/lib/
101 drivers-y       += drivers/s390/
102 drivers-$(CONFIG_MATHEMU) += arch/s390/math-emu/
103
104 # must be linked after kernel
105 drivers-$(CONFIG_OPROFILE)      += arch/s390/oprofile/
106
107 boot            := arch/s390/boot
108
109 all: image bzImage
110
111 install: vmlinux
112         $(Q)$(MAKE) $(build)=$(boot) $@
113
114 image bzImage: vmlinux
115         $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
116
117 zfcpdump:
118         $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
119
120 vdso_install:
121 ifeq ($(CONFIG_64BIT),y)
122         $(Q)$(MAKE) $(build)=arch/$(ARCH)/kernel/vdso64 $@
123 endif
124         $(Q)$(MAKE) $(build)=arch/$(ARCH)/kernel/vdso32 $@
125
126 archclean:
127         $(Q)$(MAKE) $(clean)=$(boot)
128
129 # Don't use tabs in echo arguments
130 define archhelp
131   echo  '* image           - Kernel image for IPL ($(boot)/image)'
132   echo  '* bzImage         - Compressed kernel image for IPL ($(boot)/bzImage)'
133 endef