workqueue: rename wq->flush_mutex to wq->mutex
[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)   += $(call cc-option,-march=g5)
39 cflags-$(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) += $(call cc-option,-march=z196)
44 cflags-$(CONFIG_MARCH_ZEC12) += $(call cc-option,-march=zEC12)
45
46 #KBUILD_IMAGE is necessary for make rpm
47 KBUILD_IMAGE    :=arch/s390/boot/image
48
49 #
50 # Prevent tail-call optimizations, to get clearer backtraces:
51 #
52 cflags-$(CONFIG_FRAME_POINTER) += -fno-optimize-sibling-calls
53
54 # old style option for packed stacks
55 ifeq ($(call cc-option-yn,-mkernel-backchain),y)
56 cflags-$(CONFIG_PACK_STACK)  += -mkernel-backchain -D__PACK_STACK
57 aflags-$(CONFIG_PACK_STACK)  += -D__PACK_STACK
58 cflags-$(CONFIG_SMALL_STACK) += -D__SMALL_STACK
59 aflags-$(CONFIG_SMALL_STACK) += -D__SMALL_STACK
60 ifdef CONFIG_SMALL_STACK
61 STACK_SIZE := $(shell echo $$(($(STACK_SIZE)/2)) )
62 endif
63 endif
64
65 # new style option for packed stacks
66 ifeq ($(call cc-option-yn,-mpacked-stack),y)
67 cflags-$(CONFIG_PACK_STACK)  += -mpacked-stack -D__PACK_STACK
68 aflags-$(CONFIG_PACK_STACK)  += -D__PACK_STACK
69 cflags-$(CONFIG_SMALL_STACK) += -D__SMALL_STACK
70 aflags-$(CONFIG_SMALL_STACK) += -D__SMALL_STACK
71 ifdef CONFIG_SMALL_STACK
72 STACK_SIZE := $(shell echo $$(($(STACK_SIZE)/2)) )
73 endif
74 endif
75
76 ifeq ($(call cc-option-yn,-mstack-size=8192 -mstack-guard=128),y)
77 cflags-$(CONFIG_CHECK_STACK) += -mstack-size=$(STACK_SIZE)
78 ifneq ($(call cc-option-yn,-mstack-size=8192),y)
79 cflags-$(CONFIG_CHECK_STACK) += -mstack-guard=$(CONFIG_STACK_GUARD)
80 endif
81 endif
82
83 ifeq ($(call cc-option-yn,-mwarn-dynamicstack),y)
84 cflags-$(CONFIG_WARN_DYNAMIC_STACK) += -mwarn-dynamicstack
85 endif
86
87 KBUILD_CFLAGS   += -mbackchain -msoft-float $(cflags-y)
88 KBUILD_CFLAGS   += -pipe -fno-strength-reduce -Wno-sign-compare
89 KBUILD_AFLAGS   += $(aflags-y)
90
91 OBJCOPYFLAGS    := -O binary
92
93 head-y          := arch/s390/kernel/head.o
94 head-y          += arch/s390/kernel/$(if $(CONFIG_64BIT),head64.o,head31.o)
95
96 # See arch/s390/Kbuild for content of core part of the kernel
97 core-y          += arch/s390/
98
99 libs-y          += arch/s390/lib/
100 drivers-y       += drivers/s390/
101
102 # must be linked after kernel
103 drivers-$(CONFIG_OPROFILE)      += arch/s390/oprofile/
104
105 boot            := arch/s390/boot
106
107 all: image bzImage
108
109 install: vmlinux
110         $(Q)$(MAKE) $(build)=$(boot) $@
111
112 image bzImage: vmlinux
113         $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
114
115 zfcpdump:
116         $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
117
118 vdso_install:
119 ifeq ($(CONFIG_64BIT),y)
120         $(Q)$(MAKE) $(build)=arch/$(ARCH)/kernel/vdso64 $@
121 endif
122         $(Q)$(MAKE) $(build)=arch/$(ARCH)/kernel/vdso32 $@
123
124 archclean:
125         $(Q)$(MAKE) $(clean)=$(boot)
126
127 # Don't use tabs in echo arguments
128 define archhelp
129   echo  '* image           - Kernel image for IPL ($(boot)/image)'
130   echo  '* bzImage         - Compressed kernel image for IPL ($(boot)/bzImage)'
131 endef