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1da177e4 LT |
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 | ||
347a8dc3 | 16 | ifndef CONFIG_64BIT |
1844c9bc | 17 | LD_BFD := elf32-s390 |
1da177e4 | 18 | LDFLAGS := -m elf_s390 |
a0f97e06 | 19 | KBUILD_CFLAGS += -m31 |
222d394d | 20 | KBUILD_AFLAGS += -m31 |
1da177e4 LT |
21 | UTS_MACHINE := s390 |
22 | STACK_SIZE := 8192 | |
22bb3e9e | 23 | CHECKFLAGS += -D__s390__ -msize-long |
347a8dc3 | 24 | else |
1844c9bc | 25 | LD_BFD := elf64-s390 |
1da177e4 | 26 | LDFLAGS := -m elf64_s390 |
7bdc229f MS |
27 | KBUILD_AFLAGS_MODULE += -fPIC |
28 | KBUILD_CFLAGS_MODULE += -fPIC | |
a0f97e06 | 29 | KBUILD_CFLAGS += -m64 |
222d394d | 30 | KBUILD_AFLAGS += -m64 |
1da177e4 LT |
31 | UTS_MACHINE := s390x |
32 | STACK_SIZE := 16384 | |
d310a35a | 33 | CHECKFLAGS += -D__s390__ -D__s390x__ |
1da177e4 LT |
34 | endif |
35 | ||
1844c9bc MS |
36 | export LD_BFD |
37 | ||
0f1b1ff5 HC |
38 | mflags-$(CONFIG_MARCH_G5) := -march=g5 |
39 | mflags-$(CONFIG_MARCH_Z900) := -march=z900 | |
40 | mflags-$(CONFIG_MARCH_Z990) := -march=z990 | |
41 | mflags-$(CONFIG_MARCH_Z9_109) := -march=z9-109 | |
42 | mflags-$(CONFIG_MARCH_Z10) := -march=z10 | |
43 | mflags-$(CONFIG_MARCH_Z196) := -march=z196 | |
44 | mflags-$(CONFIG_MARCH_ZEC12) := -march=zEC12 | |
f8b2dcbd | 45 | mflags-$(CONFIG_MARCH_Z13) := -march=z13 |
0f1b1ff5 HC |
46 | |
47 | aflags-y += $(mflags-y) | |
48 | cflags-y += $(mflags-y) | |
1da177e4 | 49 | |
1db9e051 HC |
50 | cflags-$(CONFIG_MARCH_G5_TUNE) += -mtune=g5 |
51 | cflags-$(CONFIG_MARCH_Z900_TUNE) += -mtune=z900 | |
52 | cflags-$(CONFIG_MARCH_Z990_TUNE) += -mtune=z990 | |
53 | cflags-$(CONFIG_MARCH_Z9_109_TUNE) += -mtune=z9-109 | |
54 | cflags-$(CONFIG_MARCH_Z10_TUNE) += -mtune=z10 | |
55 | cflags-$(CONFIG_MARCH_Z196_TUNE) += -mtune=z196 | |
56 | cflags-$(CONFIG_MARCH_ZEC12_TUNE) += -mtune=zEC12 | |
f8b2dcbd | 57 | cflags-$(CONFIG_MARCH_Z13_TUNE) += -mtune=z13 |
1db9e051 | 58 | |
1681ceda CB |
59 | #KBUILD_IMAGE is necessary for make rpm |
60 | KBUILD_IMAGE :=arch/s390/boot/image | |
61 | ||
cbbd1fa7 HC |
62 | # |
63 | # Prevent tail-call optimizations, to get clearer backtraces: | |
64 | # | |
65 | cflags-$(CONFIG_FRAME_POINTER) += -fno-optimize-sibling-calls | |
66 | ||
1da177e4 LT |
67 | # old style option for packed stacks |
68 | ifeq ($(call cc-option-yn,-mkernel-backchain),y) | |
69 | cflags-$(CONFIG_PACK_STACK) += -mkernel-backchain -D__PACK_STACK | |
70 | aflags-$(CONFIG_PACK_STACK) += -D__PACK_STACK | |
1da177e4 LT |
71 | endif |
72 | ||
73 | # new style option for packed stacks | |
74 | ifeq ($(call cc-option-yn,-mpacked-stack),y) | |
75 | cflags-$(CONFIG_PACK_STACK) += -mpacked-stack -D__PACK_STACK | |
76 | aflags-$(CONFIG_PACK_STACK) += -D__PACK_STACK | |
1da177e4 LT |
77 | endif |
78 | ||
79 | ifeq ($(call cc-option-yn,-mstack-size=8192 -mstack-guard=128),y) | |
80 | cflags-$(CONFIG_CHECK_STACK) += -mstack-size=$(STACK_SIZE) | |
be796285 | 81 | ifneq ($(call cc-option-yn,-mstack-size=8192),y) |
1da177e4 LT |
82 | cflags-$(CONFIG_CHECK_STACK) += -mstack-guard=$(CONFIG_STACK_GUARD) |
83 | endif | |
be796285 | 84 | endif |
1da177e4 LT |
85 | |
86 | ifeq ($(call cc-option-yn,-mwarn-dynamicstack),y) | |
2c190da4 | 87 | cflags-$(CONFIG_WARN_DYNAMIC_STACK) += -mwarn-dynamicstack |
1da177e4 LT |
88 | endif |
89 | ||
e6d60b36 HC |
90 | ifdef CONFIG_FUNCTION_TRACER |
91 | # make use of hotpatch feature if the compiler supports it | |
92 | cc_hotpatch := -mhotpatch=0,3 | |
93 | ifeq ($(call cc-option-yn,$(cc_hotpatch)),y) | |
94 | CC_FLAGS_FTRACE := $(cc_hotpatch) | |
95 | KBUILD_AFLAGS += -DCC_USING_HOTPATCH | |
96 | KBUILD_CFLAGS += -DCC_USING_HOTPATCH | |
97 | endif | |
98 | endif | |
99 | ||
a0f97e06 SR |
100 | KBUILD_CFLAGS += -mbackchain -msoft-float $(cflags-y) |
101 | KBUILD_CFLAGS += -pipe -fno-strength-reduce -Wno-sign-compare | |
222d394d | 102 | KBUILD_AFLAGS += $(aflags-y) |
1da177e4 LT |
103 | |
104 | OBJCOPYFLAGS := -O binary | |
1da177e4 | 105 | |
1844c9bc MS |
106 | head-y := arch/s390/kernel/head.o |
107 | head-y += arch/s390/kernel/$(if $(CONFIG_64BIT),head64.o,head31.o) | |
1da177e4 | 108 | |
01485943 HC |
109 | # See arch/s390/Kbuild for content of core part of the kernel |
110 | core-y += arch/s390/ | |
155af2f9 | 111 | |
4562c9ff | 112 | libs-y += arch/s390/lib/ |
1da177e4 | 113 | drivers-y += drivers/s390/ |
1da177e4 LT |
114 | |
115 | # must be linked after kernel | |
116 | drivers-$(CONFIG_OPROFILE) += arch/s390/oprofile/ | |
117 | ||
4562c9ff | 118 | boot := arch/s390/boot |
1da177e4 | 119 | |
1844c9bc | 120 | all: image bzImage |
1da177e4 LT |
121 | |
122 | install: vmlinux | |
123 | $(Q)$(MAKE) $(build)=$(boot) $@ | |
124 | ||
1844c9bc | 125 | image bzImage: vmlinux |
1da177e4 LT |
126 | $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@ |
127 | ||
411ed322 MH |
128 | zfcpdump: |
129 | $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@ | |
130 | ||
f3cb31e4 HB |
131 | vdso_install: |
132 | ifeq ($(CONFIG_64BIT),y) | |
133 | $(Q)$(MAKE) $(build)=arch/$(ARCH)/kernel/vdso64 $@ | |
134 | endif | |
135 | $(Q)$(MAKE) $(build)=arch/$(ARCH)/kernel/vdso32 $@ | |
136 | ||
1da177e4 LT |
137 | archclean: |
138 | $(Q)$(MAKE) $(clean)=$(boot) | |
139 | ||
1da177e4 LT |
140 | # Don't use tabs in echo arguments |
141 | define archhelp | |
142 | echo '* image - Kernel image for IPL ($(boot)/image)' | |
1844c9bc | 143 | echo '* bzImage - Compressed kernel image for IPL ($(boot)/bzImage)' |
1da177e4 | 144 | endef |