146 lines
4.4 KiB
Makefile
146 lines
4.4 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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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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# 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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# -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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