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This removes all the old vsyscall code from arch/x86/ia32/ that is no longer used because arch/x86/vdso/ code has replaced it. Signed-off-by: Roland McGrath <roland@redhat.com> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
143 lines
5.0 KiB
Plaintext
143 lines
5.0 KiB
Plaintext
#
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# x86_64 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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# 19990713 Artur Skawina <skawina@geocities.com>
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# Added '-march' and '-mpreferred-stack-boundary' support
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# 20000913 Pavel Machek <pavel@suse.cz>
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# Converted for x86_64 architecture
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# 20010105 Andi Kleen, add IA32 compiler.
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# ....and later removed it again....
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#
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# $Id: Makefile,v 1.31 2002/03/22 15:56:07 ak Exp $
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# BITS is used as extension for files which are available in a 32 bit
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# and a 64 bit version to simplify shared Makefiles.
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# e.g.: obj-y += foo_$(BITS).o
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BITS := 64
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export BITS
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LDFLAGS := -m elf_x86_64
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OBJCOPYFLAGS := -O binary -R .note -R .comment -S
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LDFLAGS_vmlinux :=
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CHECKFLAGS += -D__x86_64__ -m64
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cflags-y :=
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cflags-kernel-y :=
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cflags-$(CONFIG_MK8) += $(call cc-option,-march=k8)
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cflags-$(CONFIG_MPSC) += $(call cc-option,-march=nocona)
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# gcc doesn't support -march=core2 yet as of gcc 4.3, but I hope it
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# will eventually. Use -mtune=generic as fallback
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cflags-$(CONFIG_MCORE2) += \
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$(call cc-option,-march=core2,$(call cc-option,-mtune=generic))
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cflags-$(CONFIG_GENERIC_CPU) += $(call cc-option,-mtune=generic)
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cflags-y += -m64
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cflags-y += -mno-red-zone
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cflags-y += -mcmodel=kernel
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cflags-y += -pipe
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cflags-y += -Wno-sign-compare
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cflags-y += -fno-asynchronous-unwind-tables
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ifneq ($(CONFIG_DEBUG_INFO),y)
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# -fweb shrinks the kernel a bit, but the difference is very small
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# it also messes up debugging, so don't use it for now.
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#cflags-y += $(call cc-option,-fweb)
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endif
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# -funit-at-a-time shrinks the kernel .text considerably
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# unfortunately it makes reading oopses harder.
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cflags-y += $(call cc-option,-funit-at-a-time)
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# prevent gcc from generating any FP code by mistake
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cflags-y += $(call cc-option,-mno-sse -mno-mmx -mno-sse2 -mno-3dnow,)
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# this works around some issues with generating unwind tables in older gccs
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# newer gccs do it by default
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cflags-y += -maccumulate-outgoing-args
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# do binutils support CFI?
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cflags-y += $(call as-instr,.cfi_startproc\n.cfi_rel_offset rsp${comma}0\n.cfi_endproc,-DCONFIG_AS_CFI=1,)
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KBUILD_AFLAGS += $(call as-instr,.cfi_startproc\n.cfi_rel_offset rsp${comma}0\n.cfi_endproc,-DCONFIG_AS_CFI=1,)
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# is .cfi_signal_frame supported too?
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cflags-y += $(call as-instr,.cfi_startproc\n.cfi_signal_frame\n.cfi_endproc,-DCONFIG_AS_CFI_SIGNAL_FRAME=1,)
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KBUILD_AFLAGS += $(call as-instr,.cfi_startproc\n.cfi_signal_frame\n.cfi_endproc,-DCONFIG_AS_CFI_SIGNAL_FRAME=1,)
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cflags-$(CONFIG_CC_STACKPROTECTOR) += $(shell $(CONFIG_SHELL) $(srctree)/scripts/gcc-x86_64-has-stack-protector.sh "$(CC)" -fstack-protector )
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cflags-$(CONFIG_CC_STACKPROTECTOR_ALL) += $(shell $(CONFIG_SHELL) $(srctree)/scripts/gcc-x86_64-has-stack-protector.sh "$(CC)" -fstack-protector-all )
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KBUILD_CFLAGS += $(cflags-y)
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CFLAGS_KERNEL += $(cflags-kernel-y)
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KBUILD_AFLAGS += -m64
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head-y := arch/x86/kernel/head_64.o arch/x86/kernel/head64.o arch/x86/kernel/init_task.o
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libs-y += arch/x86/lib/
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core-y += arch/x86/kernel/ \
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arch/x86/mm/ \
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arch/x86/crypto/ \
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arch/x86/vdso/
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core-$(CONFIG_IA32_EMULATION) += arch/x86/ia32/
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drivers-$(CONFIG_PCI) += arch/x86/pci/
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drivers-$(CONFIG_OPROFILE) += arch/x86/oprofile/
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boot := arch/x86/boot
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PHONY += bzImage bzlilo install archmrproper \
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fdimage fdimage144 fdimage288 isoimage archclean
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#Default target when executing "make"
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all: bzImage
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BOOTIMAGE := arch/x86/boot/bzImage
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KBUILD_IMAGE := $(BOOTIMAGE)
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bzImage: vmlinux
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$(Q)$(MAKE) $(build)=$(boot) $(BOOTIMAGE)
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$(Q)mkdir -p $(objtree)/arch/x86_64/boot
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$(Q)ln -fsn ../../x86/boot/bzImage $(objtree)/arch/x86_64/boot/bzImage
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bzlilo: vmlinux
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$(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(BOOTIMAGE) zlilo
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bzdisk: vmlinux
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$(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(BOOTIMAGE) zdisk
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fdimage fdimage144 fdimage288 isoimage: vmlinux
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$(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(BOOTIMAGE) $@
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install: vdso_install
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$(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(BOOTIMAGE) $@
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vdso_install:
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$(Q)$(MAKE) $(build)=arch/x86/vdso $@
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archclean:
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$(Q)rm -rf $(objtree)/arch/i386
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$(Q)rm -rf $(objtree)/arch/x86_64
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$(Q)$(MAKE) $(clean)=$(boot)
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define archhelp
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echo '* bzImage - Compressed kernel image (arch/x86/boot/bzImage)'
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echo ' install - Install kernel using'
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echo ' (your) ~/bin/installkernel or'
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echo ' (distribution) /sbin/installkernel or'
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echo ' install to $$(INSTALL_PATH) and run lilo'
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echo ' bzdisk - Create a boot floppy in /dev/fd0'
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echo ' fdimage - Create a boot floppy image'
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echo ' isoimage - Create a boot CD-ROM image'
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endef
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CLEAN_FILES += arch/x86/boot/fdimage \
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arch/x86/boot/image.iso \
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arch/x86/boot/mtools.conf
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