da957e111b
Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu>
163 lines
5.4 KiB
Makefile
163 lines
5.4 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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ifdef CONFIG_RELOCATABLE
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LDFLAGS_vmlinux := --emit-relocs
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endif
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CHECKFLAGS += -D__i386__
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CFLAGS += -pipe -msoft-float -mregparm=3 -freg-struct-return
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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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# CPU-specific tuning. Anything which can be shared with UML should go here.
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include $(srctree)/arch/i386/Makefile.cpu
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# temporary until string.h is fixed
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cflags-y += -ffreestanding
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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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# Disable unit-at-a-time mode on pre-gcc-4.0 compilers, it makes gcc use
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# a lot more stack due to the lack of sharing of stacklots:
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CFLAGS += $(shell if [ $(call cc-version) -lt 0400 ] ; then echo $(call cc-option,-fno-unit-at-a-time); fi ;)
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# do binutils support CFI?
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cflags-y += $(call as-instr,.cfi_startproc\n.cfi_rel_offset esp${comma}0\n.cfi_endproc,-DCONFIG_AS_CFI=1,)
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AFLAGS += $(call as-instr,.cfi_startproc\n.cfi_rel_offset esp${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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AFLAGS += $(call as-instr,.cfi_startproc\n.cfi_signal_frame\n.cfi_endproc,-DCONFIG_AS_CFI_SIGNAL_FRAME=1,)
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CFLAGS += $(cflags-y)
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# Default subarch .c files
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mcore-y := arch/i386/mach-default
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# Voyager subarch support
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mflags-$(CONFIG_X86_VOYAGER) := -Iinclude/asm-i386/mach-voyager
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mcore-$(CONFIG_X86_VOYAGER) := arch/i386/mach-voyager
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# VISWS subarch support
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mflags-$(CONFIG_X86_VISWS) := -Iinclude/asm-i386/mach-visws
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mcore-$(CONFIG_X86_VISWS) := arch/i386/mach-visws
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# NUMAQ subarch support
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mflags-$(CONFIG_X86_NUMAQ) := -Iinclude/asm-i386/mach-numaq
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mcore-$(CONFIG_X86_NUMAQ) := arch/i386/mach-default
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# BIGSMP subarch support
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mflags-$(CONFIG_X86_BIGSMP) := -Iinclude/asm-i386/mach-bigsmp
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mcore-$(CONFIG_X86_BIGSMP) := arch/i386/mach-default
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#Summit subarch support
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mflags-$(CONFIG_X86_SUMMIT) := -Iinclude/asm-i386/mach-summit
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mcore-$(CONFIG_X86_SUMMIT) := arch/i386/mach-default
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# generic subarchitecture
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mflags-$(CONFIG_X86_GENERICARCH) := -Iinclude/asm-i386/mach-generic
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mcore-$(CONFIG_X86_GENERICARCH) := arch/i386/mach-default
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core-$(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) := arch/i386/mach-default
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core-$(CONFIG_X86_ES7000) := arch/i386/mach-es7000/
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# Xen paravirtualization support
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core-$(CONFIG_XEN) += arch/i386/xen/
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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_32.o arch/i386/kernel/init_task_32.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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$(mcore-y)/ \
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arch/x86/crypto/
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drivers-$(CONFIG_MATH_EMULATION) += arch/x86/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-$(CONFIG_PM) += arch/i386/power/
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drivers-$(CONFIG_FB) += arch/i386/video/
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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 isoimage 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=$(KBUILD_IMAGE) zdisk
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fdimage fdimage144 fdimage288 isoimage: vmlinux
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$(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(KBUILD_IMAGE) $@
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install:
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$(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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echo ' isoimage - Create a boot CD-ROM image'
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endef
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CLEAN_FILES += arch/$(ARCH)/boot/fdimage \
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arch/$(ARCH)/boot/image.iso \
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arch/$(ARCH)/boot/mtools.conf
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