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86feeaa812
Building asm-offsets.h has been moved to a seperate Kbuild file located in the top-level directory. This allow us to share the functionality across the architectures. The old rules in architecture specific Makefiles will die in subsequent patches. Furhtermore the usual kbuild dependency tracking is now used when deciding to rebuild asm-offsets.s. So we no longer risk to fail a rebuild caused by asm-offsets.c dependencies being touched. With this common rule-set we now force the same name across all architectures. Following patches will fix the rest. Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
173 lines
6.1 KiB
Makefile
173 lines
6.1 KiB
Makefile
#
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# i386/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" cleaning up for 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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#
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# 20050320 Kianusch Sayah Karadji <kianusch@sk-tech.net>
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# Added support for GEODE CPU
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HAS_BIARCH := $(call cc-option-yn, -m32)
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ifeq ($(HAS_BIARCH),y)
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AS := $(AS) --32
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LD := $(LD) -m elf_i386
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CC := $(CC) -m32
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endif
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LDFLAGS := -m elf_i386
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OBJCOPYFLAGS := -O binary -R .note -R .comment -S
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LDFLAGS_vmlinux :=
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CHECKFLAGS += -D__i386__
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CFLAGS += -pipe -msoft-float
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# prevent gcc from keeping the stack 16 byte aligned
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CFLAGS += $(call cc-option,-mpreferred-stack-boundary=2)
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align := $(cc-option-align)
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cflags-$(CONFIG_M386) += -march=i386
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cflags-$(CONFIG_M486) += -march=i486
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cflags-$(CONFIG_M586) += -march=i586
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cflags-$(CONFIG_M586TSC) += -march=i586
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cflags-$(CONFIG_M586MMX) += $(call cc-option,-march=pentium-mmx,-march=i586)
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cflags-$(CONFIG_M686) += -march=i686
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cflags-$(CONFIG_MPENTIUMII) += -march=i686 $(call cc-option,-mtune=pentium2)
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cflags-$(CONFIG_MPENTIUMIII) += -march=i686 $(call cc-option,-mtune=pentium3)
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cflags-$(CONFIG_MPENTIUMM) += -march=i686 $(call cc-option,-mtune=pentium3)
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cflags-$(CONFIG_MPENTIUM4) += -march=i686 $(call cc-option,-mtune=pentium4)
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cflags-$(CONFIG_MK6) += -march=k6
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# Please note, that patches that add -march=athlon-xp and friends are pointless.
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# They make zero difference whatsosever to performance at this time.
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cflags-$(CONFIG_MK7) += $(call cc-option,-march=athlon,-march=i686 $(align)-functions=4)
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cflags-$(CONFIG_MK8) += $(call cc-option,-march=k8,$(call cc-option,-march=athlon,-march=i686 $(align)-functions=4))
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cflags-$(CONFIG_MCRUSOE) += -march=i686 $(align)-functions=0 $(align)-jumps=0 $(align)-loops=0
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cflags-$(CONFIG_MEFFICEON) += -march=i686 $(call cc-option,-mtune=pentium3) $(align)-functions=0 $(align)-jumps=0 $(align)-loops=0
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cflags-$(CONFIG_MWINCHIPC6) += $(call cc-option,-march=winchip-c6,-march=i586)
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cflags-$(CONFIG_MWINCHIP2) += $(call cc-option,-march=winchip2,-march=i586)
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cflags-$(CONFIG_MWINCHIP3D) += $(call cc-option,-march=winchip2,-march=i586)
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cflags-$(CONFIG_MCYRIXIII) += $(call cc-option,-march=c3,-march=i486) $(align)-functions=0 $(align)-jumps=0 $(align)-loops=0
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cflags-$(CONFIG_MVIAC3_2) += $(call cc-option,-march=c3-2,-march=i686)
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# AMD Elan support
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cflags-$(CONFIG_X86_ELAN) += -march=i486
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# Geode GX1 support
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cflags-$(CONFIG_MGEODEGX1) += $(call cc-option,-march=pentium-mmx,-march=i486)
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# -mregparm=3 works ok on gcc-3.0 and later
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#
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GCC_VERSION := $(call cc-version)
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cflags-$(CONFIG_REGPARM) += $(shell if [ $(GCC_VERSION) -ge 0300 ] ; then echo "-mregparm=3"; fi ;)
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# Disable unit-at-a-time mode, it makes gcc use a lot more stack
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# due to the lack of sharing of stacklots.
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CFLAGS += $(call cc-option,-fno-unit-at-a-time)
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CFLAGS += $(cflags-y)
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# Default subarch .c files
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mcore-y := mach-default
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# Voyager subarch support
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mflags-$(CONFIG_X86_VOYAGER) := -Iinclude/asm-i386/mach-voyager
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mcore-$(CONFIG_X86_VOYAGER) := mach-voyager
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# VISWS subarch support
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mflags-$(CONFIG_X86_VISWS) := -Iinclude/asm-i386/mach-visws
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mcore-$(CONFIG_X86_VISWS) := mach-visws
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# NUMAQ subarch support
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mflags-$(CONFIG_X86_NUMAQ) := -Iinclude/asm-i386/mach-numaq
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mcore-$(CONFIG_X86_NUMAQ) := mach-default
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# BIGSMP subarch support
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mflags-$(CONFIG_X86_BIGSMP) := -Iinclude/asm-i386/mach-bigsmp
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mcore-$(CONFIG_X86_BIGSMP) := mach-default
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#Summit subarch support
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mflags-$(CONFIG_X86_SUMMIT) := -Iinclude/asm-i386/mach-summit
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mcore-$(CONFIG_X86_SUMMIT) := mach-default
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# generic subarchitecture
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mflags-$(CONFIG_X86_GENERICARCH) := -Iinclude/asm-i386/mach-generic
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mcore-$(CONFIG_X86_GENERICARCH) := mach-default
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core-$(CONFIG_X86_GENERICARCH) += arch/i386/mach-generic/
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# ES7000 subarch support
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mflags-$(CONFIG_X86_ES7000) := -Iinclude/asm-i386/mach-es7000
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mcore-$(CONFIG_X86_ES7000) := mach-default
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core-$(CONFIG_X86_ES7000) := arch/i386/mach-es7000/
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# default subarch .h files
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mflags-y += -Iinclude/asm-i386/mach-default
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head-y := arch/i386/kernel/head.o arch/i386/kernel/init_task.o
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libs-y += arch/i386/lib/
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core-y += arch/i386/kernel/ \
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arch/i386/mm/ \
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arch/i386/$(mcore-y)/ \
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arch/i386/crypto/
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drivers-$(CONFIG_MATH_EMULATION) += arch/i386/math-emu/
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drivers-$(CONFIG_PCI) += arch/i386/pci/
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# must be linked after kernel/
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drivers-$(CONFIG_OPROFILE) += arch/i386/oprofile/
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drivers-$(CONFIG_PM) += arch/i386/power/
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CFLAGS += $(mflags-y)
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AFLAGS += $(mflags-y)
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boot := arch/i386/boot
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.PHONY: zImage bzImage compressed zlilo bzlilo \
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zdisk bzdisk fdimage fdimage144 fdimage288 install kernel_install
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all: bzImage
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# KBUILD_IMAGE specify target image being built
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KBUILD_IMAGE := $(boot)/bzImage
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zImage zlilo zdisk: KBUILD_IMAGE := arch/i386/boot/zImage
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zImage bzImage: vmlinux
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$(Q)$(MAKE) $(build)=$(boot) $(KBUILD_IMAGE)
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compressed: zImage
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zlilo bzlilo: vmlinux
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$(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(KBUILD_IMAGE) zlilo
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zdisk bzdisk: vmlinux
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$(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(KBUILD_IMAGE) zdisk
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fdimage fdimage144 fdimage288: vmlinux
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$(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(KBUILD_IMAGE) $@
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install: vmlinux
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install kernel_install:
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$(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(KBUILD_IMAGE) install
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archclean:
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$(Q)$(MAKE) $(clean)=arch/i386/boot
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define archhelp
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echo '* bzImage - Compressed kernel image (arch/$(ARCH)/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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endef
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CLEAN_FILES += arch/$(ARCH)/boot/fdimage arch/$(ARCH)/boot/mtools.conf
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