# # i386/Makefile # # This file is included by the global makefile so that you can add your own # architecture-specific flags and dependencies. Remember to do have actions # for "archclean" cleaning up for this architecture. # # This file is subject to the terms and conditions of the GNU General Public # License. See the file "COPYING" in the main directory of this archive # for more details. # # Copyright (C) 1994 by Linus Torvalds # # 19990713 Artur Skawina <skawina@geocities.com> # Added '-march' and '-mpreferred-stack-boundary' support # # 20050320 Kianusch Sayah Karadji <kianusch@sk-tech.net> # Added support for GEODE CPU HAS_BIARCH := $(call cc-option-yn, -m32) ifeq ($(HAS_BIARCH),y) AS := $(AS) --32 LD := $(LD) -m elf_i386 CC := $(CC) -m32 endif LDFLAGS := -m elf_i386 OBJCOPYFLAGS := -O binary -R .note -R .comment -S LDFLAGS_vmlinux := CHECKFLAGS += -D__i386__ CFLAGS += -pipe -msoft-float # prevent gcc from keeping the stack 16 byte aligned CFLAGS += $(call cc-option,-mpreferred-stack-boundary=2) align := $(cc-option-align) cflags-$(CONFIG_M386) += -march=i386 cflags-$(CONFIG_M486) += -march=i486 cflags-$(CONFIG_M586) += -march=i586 cflags-$(CONFIG_M586TSC) += -march=i586 cflags-$(CONFIG_M586MMX) += $(call cc-option,-march=pentium-mmx,-march=i586) cflags-$(CONFIG_M686) += -march=i686 cflags-$(CONFIG_MPENTIUMII) += -march=i686 $(call cc-option,-mtune=pentium2) cflags-$(CONFIG_MPENTIUMIII) += -march=i686 $(call cc-option,-mtune=pentium3) cflags-$(CONFIG_MPENTIUMM) += -march=i686 $(call cc-option,-mtune=pentium3) cflags-$(CONFIG_MPENTIUM4) += -march=i686 $(call cc-option,-mtune=pentium4) cflags-$(CONFIG_MK6) += -march=k6 # Please note, that patches that add -march=athlon-xp and friends are pointless. # They make zero difference whatsosever to performance at this time. cflags-$(CONFIG_MK7) += $(call cc-option,-march=athlon,-march=i686 $(align)-functions=4) cflags-$(CONFIG_MK8) += $(call cc-option,-march=k8,$(call cc-option,-march=athlon,-march=i686 $(align)-functions=4)) cflags-$(CONFIG_MCRUSOE) += -march=i686 $(align)-functions=0 $(align)-jumps=0 $(align)-loops=0 cflags-$(CONFIG_MEFFICEON) += -march=i686 $(call cc-option,-mtune=pentium3) $(align)-functions=0 $(align)-jumps=0 $(align)-loops=0 cflags-$(CONFIG_MWINCHIPC6) += $(call cc-option,-march=winchip-c6,-march=i586) cflags-$(CONFIG_MWINCHIP2) += $(call cc-option,-march=winchip2,-march=i586) cflags-$(CONFIG_MWINCHIP3D) += $(call cc-option,-march=winchip2,-march=i586) cflags-$(CONFIG_MCYRIXIII) += $(call cc-option,-march=c3,-march=i486) $(align)-functions=0 $(align)-jumps=0 $(align)-loops=0 cflags-$(CONFIG_MVIAC3_2) += $(call cc-option,-march=c3-2,-march=i686) # AMD Elan support cflags-$(CONFIG_X86_ELAN) += -march=i486 # Geode GX1 support cflags-$(CONFIG_MGEODEGX1) += $(call cc-option,-march=pentium-mmx,-march=i486) # -mregparm=3 works ok on gcc-3.0 and later # GCC_VERSION := $(call cc-version) cflags-$(CONFIG_REGPARM) += $(shell if [ $(GCC_VERSION) -ge 0300 ] ; then echo "-mregparm=3"; fi ;) # Disable unit-at-a-time mode, it makes gcc use a lot more stack # due to the lack of sharing of stacklots. CFLAGS += $(call cc-option,-fno-unit-at-a-time) CFLAGS += $(cflags-y) # Default subarch .c files mcore-y := mach-default # Voyager subarch support mflags-$(CONFIG_X86_VOYAGER) := -Iinclude/asm-i386/mach-voyager mcore-$(CONFIG_X86_VOYAGER) := mach-voyager # VISWS subarch support mflags-$(CONFIG_X86_VISWS) := -Iinclude/asm-i386/mach-visws mcore-$(CONFIG_X86_VISWS) := mach-visws # NUMAQ subarch support mflags-$(CONFIG_X86_NUMAQ) := -Iinclude/asm-i386/mach-numaq mcore-$(CONFIG_X86_NUMAQ) := mach-default # BIGSMP subarch support mflags-$(CONFIG_X86_BIGSMP) := -Iinclude/asm-i386/mach-bigsmp mcore-$(CONFIG_X86_BIGSMP) := mach-default #Summit subarch support mflags-$(CONFIG_X86_SUMMIT) := -Iinclude/asm-i386/mach-summit mcore-$(CONFIG_X86_SUMMIT) := mach-default # generic subarchitecture mflags-$(CONFIG_X86_GENERICARCH) := -Iinclude/asm-i386/mach-generic mcore-$(CONFIG_X86_GENERICARCH) := mach-default core-$(CONFIG_X86_GENERICARCH) += arch/i386/mach-generic/ # ES7000 subarch support mflags-$(CONFIG_X86_ES7000) := -Iinclude/asm-i386/mach-es7000 mcore-$(CONFIG_X86_ES7000) := mach-default core-$(CONFIG_X86_ES7000) := arch/i386/mach-es7000/ # default subarch .h files mflags-y += -Iinclude/asm-i386/mach-default head-y := arch/i386/kernel/head.o arch/i386/kernel/init_task.o libs-y += arch/i386/lib/ core-y += arch/i386/kernel/ \ arch/i386/mm/ \ arch/i386/$(mcore-y)/ \ arch/i386/crypto/ drivers-$(CONFIG_MATH_EMULATION) += arch/i386/math-emu/ drivers-$(CONFIG_PCI) += arch/i386/pci/ # must be linked after kernel/ drivers-$(CONFIG_OPROFILE) += arch/i386/oprofile/ drivers-$(CONFIG_PM) += arch/i386/power/ CFLAGS += $(mflags-y) AFLAGS += $(mflags-y) boot := arch/i386/boot .PHONY: zImage bzImage compressed zlilo bzlilo \ zdisk bzdisk fdimage fdimage144 fdimage288 install kernel_install all: bzImage # KBUILD_IMAGE specify target image being built KBUILD_IMAGE := $(boot)/bzImage zImage zlilo zdisk: KBUILD_IMAGE := arch/i386/boot/zImage zImage bzImage: vmlinux $(Q)$(MAKE) $(build)=$(boot) $(KBUILD_IMAGE) compressed: zImage zlilo bzlilo: vmlinux $(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(KBUILD_IMAGE) zlilo zdisk bzdisk: vmlinux $(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(KBUILD_IMAGE) zdisk fdimage fdimage144 fdimage288: vmlinux $(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(KBUILD_IMAGE) $@ install: vmlinux install kernel_install: $(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(KBUILD_IMAGE) install prepare: include/asm-$(ARCH)/asm_offsets.h CLEAN_FILES += include/asm-$(ARCH)/asm_offsets.h arch/$(ARCH)/kernel/asm-offsets.s: include/asm include/linux/version.h \ include/config/MARKER include/asm-$(ARCH)/asm_offsets.h: arch/$(ARCH)/kernel/asm-offsets.s $(call filechk,gen-asm-offsets) archclean: $(Q)$(MAKE) $(clean)=arch/i386/boot define archhelp echo '* bzImage - Compressed kernel image (arch/$(ARCH)/boot/bzImage)' echo ' install - Install kernel using' echo ' (your) ~/bin/installkernel or' echo ' (distribution) /sbin/installkernel or' echo ' install to $$(INSTALL_PATH) and run lilo' echo ' bzdisk - Create a boot floppy in /dev/fd0' echo ' fdimage - Create a boot floppy image' endef CLEAN_FILES += arch/$(ARCH)/boot/fdimage arch/$(ARCH)/boot/mtools.conf