# # x86_64/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" and "archdep" for cleaning up and making dependencies 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 # 20000913 Pavel Machek <pavel@suse.cz> # Converted for x86_64 architecture # 20010105 Andi Kleen, add IA32 compiler. # ....and later removed it again.... # # $Id: Makefile,v 1.31 2002/03/22 15:56:07 ak Exp $ LDFLAGS := -m elf_x86_64 OBJCOPYFLAGS := -O binary -R .note -R .comment -S LDFLAGS_vmlinux := CHECKFLAGS += -D__x86_64__ -m64 cflags-$(CONFIG_MK8) += $(call cc-option,-march=k8) cflags-$(CONFIG_MPSC) += $(call cc-option,-march=nocona) cflags-$(CONFIG_GENERIC_CPU) += $(call cc-option,-mtune=generic) CFLAGS += $(cflags-y) CFLAGS += -m64 CFLAGS += -mno-red-zone CFLAGS += -mcmodel=kernel CFLAGS += -pipe # this makes reading assembly source easier, but produces worse code # actually it makes the kernel smaller too. CFLAGS += -fno-reorder-blocks CFLAGS += -Wno-sign-compare ifneq ($(CONFIG_UNWIND_INFO),y) CFLAGS += -fno-asynchronous-unwind-tables endif ifneq ($(CONFIG_DEBUG_INFO),y) # -fweb shrinks the kernel a bit, but the difference is very small # it also messes up debugging, so don't use it for now. #CFLAGS += $(call cc-option,-fweb) endif # -funit-at-a-time shrinks the kernel .text considerably # unfortunately it makes reading oopses harder. CFLAGS += $(call cc-option,-funit-at-a-time) # prevent gcc from generating any FP code by mistake CFLAGS += $(call cc-option,-mno-sse -mno-mmx -mno-sse2 -mno-3dnow,) AFLAGS += -m64 head-y := arch/x86_64/kernel/head.o arch/x86_64/kernel/head64.o arch/x86_64/kernel/init_task.o libs-y += arch/x86_64/lib/ core-y += arch/x86_64/kernel/ \ arch/x86_64/mm/ \ arch/x86_64/crypto/ core-$(CONFIG_IA32_EMULATION) += arch/x86_64/ia32/ drivers-$(CONFIG_PCI) += arch/x86_64/pci/ drivers-$(CONFIG_OPROFILE) += arch/x86_64/oprofile/ boot := arch/x86_64/boot PHONY += bzImage bzlilo install archmrproper \ fdimage fdimage144 fdimage288 archclean #Default target when executing "make" all: bzImage BOOTIMAGE := arch/x86_64/boot/bzImage KBUILD_IMAGE := $(BOOTIMAGE) bzImage: vmlinux $(Q)$(MAKE) $(build)=$(boot) $(BOOTIMAGE) bzlilo: vmlinux $(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(BOOTIMAGE) zlilo bzdisk: vmlinux $(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(BOOTIMAGE) zdisk fdimage fdimage144 fdimage288: vmlinux $(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(BOOTIMAGE) $@ install: $(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(BOOTIMAGE) $@ archclean: $(Q)$(MAKE) $(clean)=$(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' endef CLEAN_FILES += arch/$(ARCH)/boot/fdimage arch/$(ARCH)/boot/mtools.conf