forked from luck/tmp_suning_uos_patched
117 lines
3.3 KiB
Makefile
117 lines
3.3 KiB
Makefile
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#
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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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ifdef CONFIG_ARCH_S390_31
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LDFLAGS := -m elf_s390
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CFLAGS += -m31
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AFLAGS += -m31
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UTS_MACHINE := s390
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STACK_SIZE := 8192
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endif
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ifdef CONFIG_ARCH_S390X
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LDFLAGS := -m elf64_s390
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MODFLAGS += -fpic -D__PIC__
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CFLAGS += -m64
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AFLAGS += -m64
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UTS_MACHINE := s390x
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STACK_SIZE := 16384
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endif
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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) += $(call cc-option,-march=z990)
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# old style option for packed stacks
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ifeq ($(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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cflags-$(CONFIG_CHECK_STACK) += -mstack-guard=$(CONFIG_STACK_GUARD)
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endif
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ifeq ($(call cc-option-yn,-mwarn-dynamicstack),y)
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cflags-$(CONFIG_WARN_STACK) += -mwarn-dynamicstack
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cflags-$(CONFIG_WARN_STACK) += -mwarn-framesize=$(CONFIG_WARN_STACK_SIZE)
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endif
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CFLAGS += -mbackchain -msoft-float $(cflags-y)
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CFLAGS += $(call cc-option,-finline-limit=10000)
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CFLAGS += -pipe -fno-strength-reduce -Wno-sign-compare
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AFLAGS += $(aflags-y)
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OBJCOPYFLAGS := -O binary
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LDFLAGS_vmlinux := -e start
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head-$(CONFIG_ARCH_S390_31) += arch/$(ARCH)/kernel/head.o
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head-$(CONFIG_ARCH_S390X) += arch/$(ARCH)/kernel/head64.o
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head-y += arch/$(ARCH)/kernel/init_task.o
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core-y += arch/$(ARCH)/mm/ arch/$(ARCH)/kernel/ arch/$(ARCH)/crypto/ \
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arch/$(ARCH)/appldata/
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libs-y += arch/$(ARCH)/lib/
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drivers-y += drivers/s390/
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drivers-$(CONFIG_MATHEMU) += arch/$(ARCH)/math-emu/
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# must be linked after kernel
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drivers-$(CONFIG_OPROFILE) += arch/s390/oprofile/
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boot := arch/$(ARCH)/boot
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all: image
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install: vmlinux
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$(Q)$(MAKE) $(build)=$(boot) $@
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image: vmlinux
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$(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
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archclean:
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$(Q)$(MAKE) $(clean)=$(boot)
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prepare: include/asm-$(ARCH)/offsets.h
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arch/$(ARCH)/kernel/asm-offsets.s: include/asm include/linux/version.h \
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include/config/MARKER
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include/asm-$(ARCH)/offsets.h: arch/$(ARCH)/kernel/asm-offsets.s
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$(call filechk,gen-asm-offsets)
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CLEAN_FILES += include/asm-$(ARCH)/offsets.h
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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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endef
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