Merge remote branch 'origin' into secretlab/next-spi
[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 MODFLAGS        += -fpic -D__PIC__
28 KBUILD_CFLAGS   += -m64
29 KBUILD_AFLAGS   += -m64
30 UTS_MACHINE     := s390x
31 STACK_SIZE      := 16384
32 CHECKFLAGS      += -D__s390__ -D__s390x__
33 endif
34
35 export LD_BFD
36
37 cflags-$(CONFIG_MARCH_G5)   += $(call cc-option,-march=g5)
38 cflags-$(CONFIG_MARCH_Z900) += $(call cc-option,-march=z900)
39 cflags-$(CONFIG_MARCH_Z990) += $(call cc-option,-march=z990)
40 cflags-$(CONFIG_MARCH_Z9_109) += $(call cc-option,-march=z9-109)
41 cflags-$(CONFIG_MARCH_Z10) += $(call cc-option,-march=z10)
42
43 #KBUILD_IMAGE is necessary for make rpm
44 KBUILD_IMAGE    :=arch/s390/boot/image
45
46 #
47 # Prevent tail-call optimizations, to get clearer backtraces:
48 #
49 cflags-$(CONFIG_FRAME_POINTER) += -fno-optimize-sibling-calls
50
51 # old style option for packed stacks
52 ifeq ($(call cc-option-yn,-mkernel-backchain),y)
53 cflags-$(CONFIG_PACK_STACK)  += -mkernel-backchain -D__PACK_STACK
54 aflags-$(CONFIG_PACK_STACK)  += -D__PACK_STACK
55 cflags-$(CONFIG_SMALL_STACK) += -D__SMALL_STACK
56 aflags-$(CONFIG_SMALL_STACK) += -D__SMALL_STACK
57 ifdef CONFIG_SMALL_STACK
58 STACK_SIZE := $(shell echo $$(($(STACK_SIZE)/2)) )
59 endif
60 endif
61
62 # new style option for packed stacks
63 ifeq ($(call cc-option-yn,-mpacked-stack),y)
64 cflags-$(CONFIG_PACK_STACK)  += -mpacked-stack -D__PACK_STACK
65 aflags-$(CONFIG_PACK_STACK)  += -D__PACK_STACK
66 cflags-$(CONFIG_SMALL_STACK) += -D__SMALL_STACK
67 aflags-$(CONFIG_SMALL_STACK) += -D__SMALL_STACK
68 ifdef CONFIG_SMALL_STACK
69 STACK_SIZE := $(shell echo $$(($(STACK_SIZE)/2)) )
70 endif
71 endif
72
73 ifeq ($(call cc-option-yn,-mstack-size=8192 -mstack-guard=128),y)
74 cflags-$(CONFIG_CHECK_STACK) += -mstack-size=$(STACK_SIZE)
75 ifneq ($(call cc-option-yn,-mstack-size=8192),y)
76 cflags-$(CONFIG_CHECK_STACK) += -mstack-guard=$(CONFIG_STACK_GUARD)
77 endif
78 endif
79
80 ifeq ($(call cc-option-yn,-mwarn-dynamicstack),y)
81 cflags-$(CONFIG_WARN_STACK) += -mwarn-dynamicstack
82 cflags-$(CONFIG_WARN_STACK) += -mwarn-framesize=$(CONFIG_WARN_STACK_SIZE)
83 endif
84
85 KBUILD_CFLAGS   += -mbackchain -msoft-float $(cflags-y)
86 KBUILD_CFLAGS   += -pipe -fno-strength-reduce -Wno-sign-compare
87 KBUILD_AFLAGS   += $(aflags-y)
88
89 OBJCOPYFLAGS    := -O binary
90 LDFLAGS_vmlinux := -e start
91
92 head-y          := arch/s390/kernel/head.o
93 head-y          += arch/s390/kernel/$(if $(CONFIG_64BIT),head64.o,head31.o)
94 head-y          += arch/s390/kernel/init_task.o
95
96 core-y          += arch/s390/mm/ arch/s390/kernel/ arch/s390/crypto/ \
97                    arch/s390/appldata/ arch/s390/hypfs/ arch/s390/kvm/
98
99 libs-y          += arch/s390/lib/
100 drivers-y       += drivers/s390/
101 drivers-$(CONFIG_MATHEMU) += arch/s390/math-emu/
102
103 # must be linked after kernel
104 drivers-$(CONFIG_OPROFILE)      += arch/s390/oprofile/
105
106 boot            := arch/s390/boot
107
108 all: image bzImage
109
110 install: vmlinux
111         $(Q)$(MAKE) $(build)=$(boot) $@
112
113 image bzImage: vmlinux
114         $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
115
116 zfcpdump:
117         $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
118
119 vdso_install:
120 ifeq ($(CONFIG_64BIT),y)
121         $(Q)$(MAKE) $(build)=arch/$(ARCH)/kernel/vdso64 $@
122 endif
123         $(Q)$(MAKE) $(build)=arch/$(ARCH)/kernel/vdso32 $@
124
125 archclean:
126         $(Q)$(MAKE) $(clean)=$(boot)
127
128 # Don't use tabs in echo arguments
129 define archhelp
130   echo  '* image           - Kernel image for IPL ($(boot)/image)'
131   echo  '* bzImage         - Compressed kernel image for IPL ($(boot)/bzImage)'
132 endef