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132 lines
3.7 KiB
132 lines
3.7 KiB
# |
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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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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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export LD_BFD |
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mflags-$(CONFIG_MARCH_Z900) := -march=z900 |
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mflags-$(CONFIG_MARCH_Z990) := -march=z990 |
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mflags-$(CONFIG_MARCH_Z9_109) := -march=z9-109 |
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mflags-$(CONFIG_MARCH_Z10) := -march=z10 |
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mflags-$(CONFIG_MARCH_Z196) := -march=z196 |
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mflags-$(CONFIG_MARCH_ZEC12) := -march=zEC12 |
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mflags-$(CONFIG_MARCH_Z13) := -march=z13 |
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export CC_FLAGS_MARCH := $(mflags-y) |
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aflags-y += $(mflags-y) |
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cflags-y += $(mflags-y) |
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cflags-$(CONFIG_MARCH_Z900_TUNE) += -mtune=z900 |
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cflags-$(CONFIG_MARCH_Z990_TUNE) += -mtune=z990 |
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cflags-$(CONFIG_MARCH_Z9_109_TUNE) += -mtune=z9-109 |
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cflags-$(CONFIG_MARCH_Z10_TUNE) += -mtune=z10 |
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cflags-$(CONFIG_MARCH_Z196_TUNE) += -mtune=z196 |
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cflags-$(CONFIG_MARCH_ZEC12_TUNE) += -mtune=zEC12 |
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cflags-$(CONFIG_MARCH_Z13_TUNE) += -mtune=z13 |
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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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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-$(CONFIG_PACK_STACK) += -D__PACK_STACK |
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endif |
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ifeq ($(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-$(CONFIG_WARN_DYNAMIC_STACK) += -mwarn-dynamicstack |
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endif |
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ifdef CONFIG_FUNCTION_TRACER |
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# make use of hotpatch feature if the compiler supports it |
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cc_hotpatch := -mhotpatch=0,3 |
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ifeq ($(call cc-option-yn,$(cc_hotpatch)),y) |
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CC_FLAGS_FTRACE := $(cc_hotpatch) |
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KBUILD_AFLAGS += -DCC_USING_HOTPATCH |
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KBUILD_CFLAGS += -DCC_USING_HOTPATCH |
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endif |
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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 += $(aflags-y) |
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OBJCOPYFLAGS := -O binary |
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head-y := arch/s390/kernel/head.o |
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head-y += arch/s390/kernel/head64.o |
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# See arch/s390/Kbuild for content of core part of the kernel |
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core-y += arch/s390/ |
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libs-y += arch/s390/lib/ |
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drivers-y += drivers/s390/ |
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# must be linked after kernel |
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drivers-$(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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$(Q)$(MAKE) $(build)=arch/$(ARCH)/kernel/vdso64 $@ |
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$(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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