| # |
| # 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 |
| ifdef CONFIG_RELOCATABLE |
| LDFLAGS_vmlinux := --emit-relocs |
| endif |
| CHECKFLAGS += -D__i386__ |
| |
| CFLAGS += -pipe -msoft-float -mregparm=3 -freg-struct-return |
| |
| # prevent gcc from keeping the stack 16 byte aligned |
| CFLAGS += -mpreferred-stack-boundary=4 |
| |
| # CPU-specific tuning. Anything which can be shared with UML should go here. |
| include $(srctree)/arch/i386/Makefile.cpu |
| |
| # temporary until string.h is fixed |
| cflags-y += -ffreestanding |
| |
| # this works around some issues with generating unwind tables in older gccs |
| # newer gccs do it by default |
| cflags-y += -maccumulate-outgoing-args |
| |
| # Disable unit-at-a-time mode on pre-gcc-4.0 compilers, it makes gcc use |
| # a lot more stack due to the lack of sharing of stacklots: |
| CFLAGS += $(shell if [ $(call cc-version) -lt 0400 ] ; then echo $(call cc-option,-fno-unit-at-a-time); fi ;) |
| |
| # do binutils support CFI? |
| cflags-y += $(call as-instr,.cfi_startproc\n.cfi_endproc,-DCONFIG_AS_CFI=1,) |
| AFLAGS += $(call as-instr,.cfi_startproc\n.cfi_endproc,-DCONFIG_AS_CFI=1,) |
| |
| # is .cfi_signal_frame supported too? |
| cflags-y += $(call as-instr,.cfi_startproc\n.cfi_signal_frame\n.cfi_endproc,-DCONFIG_AS_CFI_SIGNAL_FRAME=1,) |
| AFLAGS += $(call as-instr,.cfi_startproc\n.cfi_signal_frame\n.cfi_endproc,-DCONFIG_AS_CFI_SIGNAL_FRAME=1,) |
| |
| 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 isoimage 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 isoimage: vmlinux |
| $(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(KBUILD_IMAGE) $@ |
| |
| install: |
| $(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(KBUILD_IMAGE) install |
| |
| 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' |
| echo ' isoimage - Create a boot CD-ROM image' |
| endef |
| |
| CLEAN_FILES += arch/$(ARCH)/boot/fdimage \ |
| arch/$(ARCH)/boot/image.iso \ |
| arch/$(ARCH)/boot/mtools.conf |