diff options
Diffstat (limited to 'arch/x86_64/Makefile')
| -rw-r--r-- | arch/x86_64/Makefile | 119 |
1 files changed, 119 insertions, 0 deletions
diff --git a/arch/x86_64/Makefile b/arch/x86_64/Makefile new file mode 100644 index 0000000..6f90c24 --- /dev/null +++ b/arch/x86_64/Makefile @@ -0,0 +1,119 @@ +# +# 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 $ + +# +# early bootup linking needs 32bit. You can either use real 32bit tools +# here or 64bit tools in 32bit mode. +# +IA32_CC := $(CC) $(CPPFLAGS) -m32 -O2 -fomit-frame-pointer +IA32_LD := $(LD) -m elf_i386 +IA32_AS := $(CC) $(AFLAGS) -m32 -Wa,--32 -traditional -c +IA32_OBJCOPY := $(CROSS_COMPILE)objcopy +IA32_CPP := $(CROSS_COMPILE)gcc -m32 -E +export IA32_CC IA32_LD IA32_AS IA32_OBJCOPY IA32_CPP + + +LDFLAGS := -m elf_x86_64 +OBJCOPYFLAGS := -O binary -R .note -R .comment -S +LDFLAGS_vmlinux := -e stext + +CHECKFLAGS += -D__x86_64__ -m64 + +cflags-$(CONFIG_MK8) += $(call cc-option,-march=k8) +cflags-$(CONFIG_MPSC) += $(call cc-option,-march=nocona) +CFLAGS += $(cflags-y) + +CFLAGS += -mno-red-zone +CFLAGS += -mcmodel=kernel +CFLAGS += -pipe +# this makes reading assembly source easier, but produces worse code +# actually it makes the kernel smaller too. +CFLAGS += -fno-reorder-blocks +CFLAGS += -Wno-sign-compare +ifneq ($(CONFIG_DEBUG_INFO),y) +CFLAGS += -fno-asynchronous-unwind-tables +# -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 += $(call cc-option,-mno-sse -mno-mmx -mno-sse2 -mno-3dnow,) + +head-y := arch/x86_64/kernel/head.o arch/x86_64/kernel/head64.o arch/x86_64/kernel/init_task.o + +libs-y += arch/x86_64/lib/ +core-y += arch/x86_64/kernel/ arch/x86_64/mm/ +core-$(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 + +install fdimage fdimage144 fdimage288: vmlinux + $(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(BOOTIMAGE) $@ + +archclean: + $(Q)$(MAKE) $(clean)=$(boot) + +prepare: include/asm-$(ARCH)/offset.h + +arch/$(ARCH)/kernel/asm-offsets.s: include/asm include/linux/version.h \ + include/config/MARKER + +include/asm-$(ARCH)/offset.h: arch/$(ARCH)/kernel/asm-offsets.s + $(call filechk,gen-asm-offsets) + +CLEAN_FILES += include/asm-$(ARCH)/offset.h + +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 + + |
