| # |
| # 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 |