4 # This file is included by the global makefile so that you can add your own
5 # architecture-specific flags and dependencies. Remember to do have actions
6 # for "archclean" and "archdep" for cleaning up and making dependencies for
9 # This file is subject to the terms and conditions of the GNU General Public
10 # License. See the file "COPYING" in the main directory of this archive
13 # Copyright (C) 1994 by Linus Torvalds
15 # 19990713 Artur Skawina <skawina@geocities.com>
16 # Added '-march' and '-mpreferred-stack-boundary' support
17 # 20000913 Pavel Machek <pavel@suse.cz>
18 # Converted for x86_64 architecture
19 # 20010105 Andi Kleen, add IA32 compiler.
20 # ....and later removed it again....
22 # $Id: Makefile,v 1.31 2002/03/22 15:56:07 ak Exp $
24 LDFLAGS := -m elf_x86_64
25 OBJCOPYFLAGS := -O binary -R .note -R .comment -S
28 CHECKFLAGS += -D__x86_64__ -m64
30 cflags-$(CONFIG_MK8) += $(call cc-option,-march=k8)
31 cflags-$(CONFIG_MPSC) += $(call cc-option,-march=nocona)
35 CFLAGS += -mno-red-zone
36 CFLAGS += -mcmodel=kernel
38 # this makes reading assembly source easier, but produces worse code
39 # actually it makes the kernel smaller too.
40 CFLAGS += -fno-reorder-blocks
41 CFLAGS += -Wno-sign-compare
42 ifneq ($(CONFIG_UNWIND_INFO),y)
43 CFLAGS += -fno-asynchronous-unwind-tables
45 ifneq ($(CONFIG_DEBUG_INFO),y)
46 # -fweb shrinks the kernel a bit, but the difference is very small
47 # it also messes up debugging, so don't use it for now.
48 #CFLAGS += $(call cc-option,-fweb)
50 # -funit-at-a-time shrinks the kernel .text considerably
51 # unfortunately it makes reading oopses harder.
52 CFLAGS += $(call cc-option,-funit-at-a-time)
53 # prevent gcc from generating any FP code by mistake
54 CFLAGS += $(call cc-option,-mno-sse -mno-mmx -mno-sse2 -mno-3dnow,)
58 head-y := arch/x86_64/kernel/head.o arch/x86_64/kernel/head64.o arch/x86_64/kernel/init_task.o
60 libs-y += arch/x86_64/lib/
61 core-y += arch/x86_64/kernel/ \
64 core-$(CONFIG_IA32_EMULATION) += arch/x86_64/ia32/
65 drivers-$(CONFIG_PCI) += arch/x86_64/pci/
66 drivers-$(CONFIG_OPROFILE) += arch/x86_64/oprofile/
68 boot := arch/x86_64/boot
70 .PHONY: bzImage bzlilo install archmrproper \
71 fdimage fdimage144 fdimage288 archclean
73 #Default target when executing "make"
76 BOOTIMAGE := arch/x86_64/boot/bzImage
77 KBUILD_IMAGE := $(BOOTIMAGE)
80 $(Q)$(MAKE) $(build)=$(boot) $(BOOTIMAGE)
83 $(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(BOOTIMAGE) zlilo
86 $(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(BOOTIMAGE) zdisk
88 fdimage fdimage144 fdimage288: vmlinux
89 $(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(BOOTIMAGE) $@
92 $(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(BOOTIMAGE) $@
95 $(Q)$(MAKE) $(clean)=$(boot)
98 echo '* bzImage - Compressed kernel image (arch/$(ARCH)/boot/bzImage)'
99 echo ' install - Install kernel using'
100 echo ' (your) ~/bin/installkernel or'
101 echo ' (distribution) /sbin/installkernel or'
102 echo ' install to $$(INSTALL_PATH) and run lilo'
105 CLEAN_FILES += arch/$(ARCH)/boot/fdimage arch/$(ARCH)/boot/mtools.conf