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The xfs module uses a lot of tracepoint, with TRACEPOINTS=y and a few debugging options the GOT table of the xfs module will get bigger than 4K. To get a working xfs module it needs to be compiled with -fPIC instead of -fpic. To play safe use -fPIC for all modules. Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
132 lines
3.7 KiB
Makefile
132 lines
3.7 KiB
Makefile
#
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# s390/Makefile
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#
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# This file is included by the global makefile so that you can add your own
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# architecture-specific flags and dependencies. Remember to do have actions
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# for "archclean" and "archdep" for cleaning up and making dependencies for
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# this architecture
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#
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# This file is subject to the terms and conditions of the GNU General Public
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# License. See the file "COPYING" in the main directory of this archive
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# for more details.
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#
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# Copyright (C) 1994 by Linus Torvalds
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#
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ifndef CONFIG_64BIT
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LD_BFD := elf32-s390
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LDFLAGS := -m elf_s390
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KBUILD_CFLAGS += -m31
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KBUILD_AFLAGS += -m31
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UTS_MACHINE := s390
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STACK_SIZE := 8192
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CHECKFLAGS += -D__s390__ -msize-long
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else
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LD_BFD := elf64-s390
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LDFLAGS := -m elf64_s390
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KBUILD_AFLAGS_MODULE += -fPIC
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KBUILD_CFLAGS_MODULE += -fPIC
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KBUILD_CFLAGS += -m64
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KBUILD_AFLAGS += -m64
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UTS_MACHINE := s390x
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STACK_SIZE := 16384
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CHECKFLAGS += -D__s390__ -D__s390x__
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endif
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export LD_BFD
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cflags-$(CONFIG_MARCH_G5) += $(call cc-option,-march=g5)
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cflags-$(CONFIG_MARCH_Z900) += $(call cc-option,-march=z900)
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cflags-$(CONFIG_MARCH_Z990) += $(call cc-option,-march=z990)
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cflags-$(CONFIG_MARCH_Z9_109) += $(call cc-option,-march=z9-109)
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cflags-$(CONFIG_MARCH_Z10) += $(call cc-option,-march=z10)
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cflags-$(CONFIG_MARCH_Z196) += $(call cc-option,-march=z196)
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cflags-$(CONFIG_MARCH_ZEC12) += $(call cc-option,-march=zEC12)
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#KBUILD_IMAGE is necessary for make rpm
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KBUILD_IMAGE :=arch/s390/boot/image
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#
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# Prevent tail-call optimizations, to get clearer backtraces:
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#
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cflags-$(CONFIG_FRAME_POINTER) += -fno-optimize-sibling-calls
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# old style option for packed stacks
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ifeq ($(call cc-option-yn,-mkernel-backchain),y)
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cflags-$(CONFIG_PACK_STACK) += -mkernel-backchain -D__PACK_STACK
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aflags-$(CONFIG_PACK_STACK) += -D__PACK_STACK
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cflags-$(CONFIG_SMALL_STACK) += -D__SMALL_STACK
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aflags-$(CONFIG_SMALL_STACK) += -D__SMALL_STACK
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ifdef CONFIG_SMALL_STACK
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STACK_SIZE := $(shell echo $$(($(STACK_SIZE)/2)) )
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endif
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endif
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# new style option for packed stacks
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ifeq ($(call cc-option-yn,-mpacked-stack),y)
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cflags-$(CONFIG_PACK_STACK) += -mpacked-stack -D__PACK_STACK
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aflags-$(CONFIG_PACK_STACK) += -D__PACK_STACK
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cflags-$(CONFIG_SMALL_STACK) += -D__SMALL_STACK
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aflags-$(CONFIG_SMALL_STACK) += -D__SMALL_STACK
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ifdef CONFIG_SMALL_STACK
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STACK_SIZE := $(shell echo $$(($(STACK_SIZE)/2)) )
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endif
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endif
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ifeq ($(call cc-option-yn,-mstack-size=8192 -mstack-guard=128),y)
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cflags-$(CONFIG_CHECK_STACK) += -mstack-size=$(STACK_SIZE)
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ifneq ($(call cc-option-yn,-mstack-size=8192),y)
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cflags-$(CONFIG_CHECK_STACK) += -mstack-guard=$(CONFIG_STACK_GUARD)
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endif
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endif
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ifeq ($(call cc-option-yn,-mwarn-dynamicstack),y)
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cflags-$(CONFIG_WARN_DYNAMIC_STACK) += -mwarn-dynamicstack
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endif
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KBUILD_CFLAGS += -mbackchain -msoft-float $(cflags-y)
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KBUILD_CFLAGS += -pipe -fno-strength-reduce -Wno-sign-compare
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KBUILD_AFLAGS += $(aflags-y)
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OBJCOPYFLAGS := -O binary
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head-y := arch/s390/kernel/head.o
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head-y += arch/s390/kernel/$(if $(CONFIG_64BIT),head64.o,head31.o)
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# See arch/s390/Kbuild for content of core part of the kernel
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core-y += arch/s390/
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libs-y += arch/s390/lib/
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drivers-y += drivers/s390/
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# must be linked after kernel
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drivers-$(CONFIG_OPROFILE) += arch/s390/oprofile/
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boot := arch/s390/boot
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all: image bzImage
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install: vmlinux
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$(Q)$(MAKE) $(build)=$(boot) $@
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image bzImage: vmlinux
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$(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
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zfcpdump:
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$(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
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vdso_install:
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ifeq ($(CONFIG_64BIT),y)
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$(Q)$(MAKE) $(build)=arch/$(ARCH)/kernel/vdso64 $@
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endif
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$(Q)$(MAKE) $(build)=arch/$(ARCH)/kernel/vdso32 $@
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archclean:
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$(Q)$(MAKE) $(clean)=$(boot)
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# Don't use tabs in echo arguments
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define archhelp
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echo '* image - Kernel image for IPL ($(boot)/image)'
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echo '* bzImage - Compressed kernel image for IPL ($(boot)/bzImage)'
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endef
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