Commit | Line | Data |
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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 | ||
1844c9bc | 16 | LD_BFD := elf64-s390 |
1da177e4 | 17 | LDFLAGS := -m elf64_s390 |
7bdc229f MS |
18 | KBUILD_AFLAGS_MODULE += -fPIC |
19 | KBUILD_CFLAGS_MODULE += -fPIC | |
a0f97e06 | 20 | KBUILD_CFLAGS += -m64 |
222d394d | 21 | KBUILD_AFLAGS += -m64 |
1da177e4 LT |
22 | UTS_MACHINE := s390x |
23 | STACK_SIZE := 16384 | |
d310a35a | 24 | CHECKFLAGS += -D__s390__ -D__s390x__ |
1da177e4 | 25 | |
1844c9bc MS |
26 | export LD_BFD |
27 | ||
0f1b1ff5 HC |
28 | mflags-$(CONFIG_MARCH_Z900) := -march=z900 |
29 | mflags-$(CONFIG_MARCH_Z990) := -march=z990 | |
30 | mflags-$(CONFIG_MARCH_Z9_109) := -march=z9-109 | |
31 | mflags-$(CONFIG_MARCH_Z10) := -march=z10 | |
32 | mflags-$(CONFIG_MARCH_Z196) := -march=z196 | |
33 | mflags-$(CONFIG_MARCH_ZEC12) := -march=zEC12 | |
f8b2dcbd | 34 | mflags-$(CONFIG_MARCH_Z13) := -march=z13 |
0f1b1ff5 HC |
35 | |
36 | aflags-y += $(mflags-y) | |
37 | cflags-y += $(mflags-y) | |
1da177e4 | 38 | |
1db9e051 HC |
39 | cflags-$(CONFIG_MARCH_Z900_TUNE) += -mtune=z900 |
40 | cflags-$(CONFIG_MARCH_Z990_TUNE) += -mtune=z990 | |
41 | cflags-$(CONFIG_MARCH_Z9_109_TUNE) += -mtune=z9-109 | |
42 | cflags-$(CONFIG_MARCH_Z10_TUNE) += -mtune=z10 | |
43 | cflags-$(CONFIG_MARCH_Z196_TUNE) += -mtune=z196 | |
44 | cflags-$(CONFIG_MARCH_ZEC12_TUNE) += -mtune=zEC12 | |
f8b2dcbd | 45 | cflags-$(CONFIG_MARCH_Z13_TUNE) += -mtune=z13 |
1db9e051 | 46 | |
1681ceda CB |
47 | #KBUILD_IMAGE is necessary for make rpm |
48 | KBUILD_IMAGE :=arch/s390/boot/image | |
49 | ||
cbbd1fa7 HC |
50 | # |
51 | # Prevent tail-call optimizations, to get clearer backtraces: | |
52 | # | |
53 | cflags-$(CONFIG_FRAME_POINTER) += -fno-optimize-sibling-calls | |
54 | ||
1da177e4 LT |
55 | # old style option for packed stacks |
56 | ifeq ($(call cc-option-yn,-mkernel-backchain),y) | |
57 | cflags-$(CONFIG_PACK_STACK) += -mkernel-backchain -D__PACK_STACK | |
58 | aflags-$(CONFIG_PACK_STACK) += -D__PACK_STACK | |
1da177e4 LT |
59 | endif |
60 | ||
61 | # new style option for packed stacks | |
62 | ifeq ($(call cc-option-yn,-mpacked-stack),y) | |
63 | cflags-$(CONFIG_PACK_STACK) += -mpacked-stack -D__PACK_STACK | |
64 | aflags-$(CONFIG_PACK_STACK) += -D__PACK_STACK | |
1da177e4 LT |
65 | endif |
66 | ||
67 | ifeq ($(call cc-option-yn,-mstack-size=8192 -mstack-guard=128),y) | |
68 | cflags-$(CONFIG_CHECK_STACK) += -mstack-size=$(STACK_SIZE) | |
be796285 | 69 | ifneq ($(call cc-option-yn,-mstack-size=8192),y) |
1da177e4 LT |
70 | cflags-$(CONFIG_CHECK_STACK) += -mstack-guard=$(CONFIG_STACK_GUARD) |
71 | endif | |
be796285 | 72 | endif |
1da177e4 LT |
73 | |
74 | ifeq ($(call cc-option-yn,-mwarn-dynamicstack),y) | |
2c190da4 | 75 | cflags-$(CONFIG_WARN_DYNAMIC_STACK) += -mwarn-dynamicstack |
1da177e4 LT |
76 | endif |
77 | ||
e6d60b36 HC |
78 | ifdef CONFIG_FUNCTION_TRACER |
79 | # make use of hotpatch feature if the compiler supports it | |
80 | cc_hotpatch := -mhotpatch=0,3 | |
81 | ifeq ($(call cc-option-yn,$(cc_hotpatch)),y) | |
82 | CC_FLAGS_FTRACE := $(cc_hotpatch) | |
83 | KBUILD_AFLAGS += -DCC_USING_HOTPATCH | |
84 | KBUILD_CFLAGS += -DCC_USING_HOTPATCH | |
85 | endif | |
86 | endif | |
87 | ||
a0f97e06 SR |
88 | KBUILD_CFLAGS += -mbackchain -msoft-float $(cflags-y) |
89 | KBUILD_CFLAGS += -pipe -fno-strength-reduce -Wno-sign-compare | |
222d394d | 90 | KBUILD_AFLAGS += $(aflags-y) |
1da177e4 LT |
91 | |
92 | OBJCOPYFLAGS := -O binary | |
1da177e4 | 93 | |
1844c9bc | 94 | head-y := arch/s390/kernel/head.o |
5a79859a | 95 | head-y += arch/s390/kernel/head64.o |
1da177e4 | 96 | |
01485943 HC |
97 | # See arch/s390/Kbuild for content of core part of the kernel |
98 | core-y += arch/s390/ | |
155af2f9 | 99 | |
4562c9ff | 100 | libs-y += arch/s390/lib/ |
1da177e4 | 101 | drivers-y += drivers/s390/ |
1da177e4 LT |
102 | |
103 | # must be linked after kernel | |
104 | drivers-$(CONFIG_OPROFILE) += arch/s390/oprofile/ | |
105 | ||
4562c9ff | 106 | boot := arch/s390/boot |
1da177e4 | 107 | |
1844c9bc | 108 | all: image bzImage |
1da177e4 LT |
109 | |
110 | install: vmlinux | |
111 | $(Q)$(MAKE) $(build)=$(boot) $@ | |
112 | ||
1844c9bc | 113 | image bzImage: vmlinux |
1da177e4 LT |
114 | $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@ |
115 | ||
411ed322 MH |
116 | zfcpdump: |
117 | $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@ | |
118 | ||
f3cb31e4 | 119 | vdso_install: |
f3cb31e4 | 120 | $(Q)$(MAKE) $(build)=arch/$(ARCH)/kernel/vdso64 $@ |
f3cb31e4 HB |
121 | $(Q)$(MAKE) $(build)=arch/$(ARCH)/kernel/vdso32 $@ |
122 | ||
1da177e4 LT |
123 | archclean: |
124 | $(Q)$(MAKE) $(clean)=$(boot) | |
125 | ||
1da177e4 LT |
126 | # Don't use tabs in echo arguments |
127 | define archhelp | |
128 | echo '* image - Kernel image for IPL ($(boot)/image)' | |
1844c9bc | 129 | echo '* bzImage - Compressed kernel image for IPL ($(boot)/bzImage)' |
1da177e4 | 130 | endef |