Root/
| 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 | archclean: |
| 120 | $(Q)$(MAKE) $(clean)=$(boot) |
| 121 | |
| 122 | # Don't use tabs in echo arguments |
| 123 | define archhelp |
| 124 | echo '* image - Kernel image for IPL ($(boot)/image)' |
| 125 | echo '* bzImage - Compressed kernel image for IPL ($(boot)/bzImage)' |
| 126 | endef |
| 127 |
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Tags:
od-2011-09-04
od-2011-09-18
v2.6.34-rc5
v2.6.34-rc6
v2.6.34-rc7
v3.9
