]>
Commit | Line | Data |
---|---|---|
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-$(CONFIG_MARCH_G5) += -march=g5 | |
39 | cflags-$(CONFIG_MARCH_Z900) += -march=z900 | |
40 | cflags-$(CONFIG_MARCH_Z990) += -march=z990 | |
41 | cflags-$(CONFIG_MARCH_Z9_109) += -march=z9-109 | |
42 | cflags-$(CONFIG_MARCH_Z10) += -march=z10 | |
43 | cflags-$(CONFIG_MARCH_Z196) += -march=z196 | |
44 | cflags-$(CONFIG_MARCH_ZEC12) += -march=zEC12 | |
45 | ||
46 | #KBUILD_IMAGE is necessary for make rpm | |
47 | KBUILD_IMAGE :=arch/s390/boot/image | |
48 | ||
49 | # | |
50 | # Prevent tail-call optimizations, to get clearer backtraces: | |
51 | # | |
52 | cflags-$(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-$(CONFIG_PACK_STACK) += -D__PACK_STACK | |
58 | endif | |
59 | ||
60 | # new style option for packed stacks | |
61 | ifeq ($(call cc-option-yn,-mpacked-stack),y) | |
62 | cflags-$(CONFIG_PACK_STACK) += -mpacked-stack -D__PACK_STACK | |
63 | aflags-$(CONFIG_PACK_STACK) += -D__PACK_STACK | |
64 | endif | |
65 | ||
66 | ifeq ($(call cc-option-yn,-mstack-size=8192 -mstack-guard=128),y) | |
67 | cflags-$(CONFIG_CHECK_STACK) += -mstack-size=$(STACK_SIZE) | |
68 | ifneq ($(call cc-option-yn,-mstack-size=8192),y) | |
69 | cflags-$(CONFIG_CHECK_STACK) += -mstack-guard=$(CONFIG_STACK_GUARD) | |
70 | endif | |
71 | endif | |
72 | ||
73 | ifeq ($(call cc-option-yn,-mwarn-dynamicstack),y) | |
74 | cflags-$(CONFIG_WARN_DYNAMIC_STACK) += -mwarn-dynamicstack | |
75 | endif | |
76 | ||
77 | KBUILD_CFLAGS += -mbackchain -msoft-float $(cflags-y) | |
78 | KBUILD_CFLAGS += -pipe -fno-strength-reduce -Wno-sign-compare | |
79 | KBUILD_AFLAGS += $(aflags-y) | |
80 | ||
81 | OBJCOPYFLAGS := -O binary | |
82 | ||
83 | head-y := arch/s390/kernel/head.o | |
84 | head-y += arch/s390/kernel/$(if $(CONFIG_64BIT),head64.o,head31.o) | |
85 | ||
86 | # See arch/s390/Kbuild for content of core part of the kernel | |
87 | core-y += arch/s390/ | |
88 | ||
89 | libs-y += arch/s390/lib/ | |
90 | drivers-y += drivers/s390/ | |
91 | ||
92 | # must be linked after kernel | |
93 | drivers-$(CONFIG_OPROFILE) += arch/s390/oprofile/ | |
94 | ||
95 | boot := arch/s390/boot | |
96 | ||
97 | all: image bzImage | |
98 | ||
99 | install: vmlinux | |
100 | $(Q)$(MAKE) $(build)=$(boot) $@ | |
101 | ||
102 | image bzImage: vmlinux | |
103 | $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@ | |
104 | ||
105 | zfcpdump: | |
106 | $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@ | |
107 | ||
108 | vdso_install: | |
109 | ifeq ($(CONFIG_64BIT),y) | |
110 | $(Q)$(MAKE) $(build)=arch/$(ARCH)/kernel/vdso64 $@ | |
111 | endif | |
112 | $(Q)$(MAKE) $(build)=arch/$(ARCH)/kernel/vdso32 $@ | |
113 | ||
114 | archclean: | |
115 | $(Q)$(MAKE) $(clean)=$(boot) | |
116 | ||
117 | # Don't use tabs in echo arguments | |
118 | define archhelp | |
119 | echo '* image - Kernel image for IPL ($(boot)/image)' | |
120 | echo '* bzImage - Compressed kernel image for IPL ($(boot)/bzImage)' | |
121 | endef |