# # 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 += $(call cc-option,-mpreferred-stack-boundary=2) # 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