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Linus Torvalds1da177e2005-04-16 15:20:36 -07001#
2# x86_64/Makefile
3#
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
7# this architecture
8#
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
11# for more details.
12#
13# Copyright (C) 1994 by Linus Torvalds
14#
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....
21#
22# $Id: Makefile,v 1.31 2002/03/22 15:56:07 ak Exp $
23
Linus Torvalds1da177e2005-04-16 15:20:36 -070024LDFLAGS := -m elf_x86_64
25OBJCOPYFLAGS := -O binary -R .note -R .comment -S
Eric W. Biederman5ded01e2005-06-25 14:57:48 -070026LDFLAGS_vmlinux :=
Linus Torvalds1da177e2005-04-16 15:20:36 -070027
28CHECKFLAGS += -D__x86_64__ -m64
29
30cflags-$(CONFIG_MK8) += $(call cc-option,-march=k8)
31cflags-$(CONFIG_MPSC) += $(call cc-option,-march=nocona)
Andi Kleendca99a32006-03-25 16:29:06 +010032cflags-$(CONFIG_GENERIC_CPU) += $(call cc-option,-mtune=generic)
Linus Torvalds1da177e2005-04-16 15:20:36 -070033CFLAGS += $(cflags-y)
34
Andi Kleenbb334212006-01-11 22:43:54 +010035CFLAGS += -m64
Linus Torvalds1da177e2005-04-16 15:20:36 -070036CFLAGS += -mno-red-zone
37CFLAGS += -mcmodel=kernel
38CFLAGS += -pipe
Arjan van de Ven4bdc3b72006-03-25 16:30:49 +010039cflags-$(CONFIG_REORDER) += -ffunction-sections
Linus Torvalds1da177e2005-04-16 15:20:36 -070040# this makes reading assembly source easier, but produces worse code
41# actually it makes the kernel smaller too.
42CFLAGS += -fno-reorder-blocks
43CFLAGS += -Wno-sign-compare
Jan Beulich6e0c47e2006-01-11 22:42:05 +010044ifneq ($(CONFIG_UNWIND_INFO),y)
Linus Torvalds1da177e2005-04-16 15:20:36 -070045CFLAGS += -fno-asynchronous-unwind-tables
Jan Beulich6e0c47e2006-01-11 22:42:05 +010046endif
47ifneq ($(CONFIG_DEBUG_INFO),y)
Linus Torvalds1da177e2005-04-16 15:20:36 -070048# -fweb shrinks the kernel a bit, but the difference is very small
49# it also messes up debugging, so don't use it for now.
50#CFLAGS += $(call cc-option,-fweb)
51endif
52# -funit-at-a-time shrinks the kernel .text considerably
53# unfortunately it makes reading oopses harder.
54CFLAGS += $(call cc-option,-funit-at-a-time)
55# prevent gcc from generating any FP code by mistake
56CFLAGS += $(call cc-option,-mno-sse -mno-mmx -mno-sse2 -mno-3dnow,)
57
Andi Kleenbb334212006-01-11 22:43:54 +010058AFLAGS += -m64
59
Linus Torvalds1da177e2005-04-16 15:20:36 -070060head-y := arch/x86_64/kernel/head.o arch/x86_64/kernel/head64.o arch/x86_64/kernel/init_task.o
61
62libs-y += arch/x86_64/lib/
Andreas Steinmetza2a892a2005-07-06 13:55:00 -070063core-y += arch/x86_64/kernel/ \
64 arch/x86_64/mm/ \
65 arch/x86_64/crypto/
Linus Torvalds1da177e2005-04-16 15:20:36 -070066core-$(CONFIG_IA32_EMULATION) += arch/x86_64/ia32/
67drivers-$(CONFIG_PCI) += arch/x86_64/pci/
68drivers-$(CONFIG_OPROFILE) += arch/x86_64/oprofile/
69
70boot := arch/x86_64/boot
71
Paul Smith4f193362006-03-05 17:14:10 -050072PHONY += bzImage bzlilo install archmrproper \
H. Peter Anvin841b8a42006-03-26 01:36:59 -080073 fdimage fdimage144 fdimage288 isoimage archclean
Linus Torvalds1da177e2005-04-16 15:20:36 -070074
75#Default target when executing "make"
76all: bzImage
77
78BOOTIMAGE := arch/x86_64/boot/bzImage
79KBUILD_IMAGE := $(BOOTIMAGE)
80
81bzImage: vmlinux
82 $(Q)$(MAKE) $(build)=$(boot) $(BOOTIMAGE)
83
84bzlilo: vmlinux
85 $(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(BOOTIMAGE) zlilo
86
87bzdisk: vmlinux
88 $(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(BOOTIMAGE) zdisk
89
H. Peter Anvin841b8a42006-03-26 01:36:59 -080090fdimage fdimage144 fdimage288 isoimage: vmlinux
Linus Torvalds1da177e2005-04-16 15:20:36 -070091 $(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(BOOTIMAGE) $@
92
H. Peter Anvin0d20bab2006-01-07 17:38:39 -080093install:
94 $(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(BOOTIMAGE) $@
95
Linus Torvalds1da177e2005-04-16 15:20:36 -070096archclean:
97 $(Q)$(MAKE) $(clean)=$(boot)
98
Linus Torvalds1da177e2005-04-16 15:20:36 -070099define archhelp
100 echo '* bzImage - Compressed kernel image (arch/$(ARCH)/boot/bzImage)'
101 echo ' install - Install kernel using'
H. Peter Anvin841b8a42006-03-26 01:36:59 -0800102 echo ' (your) ~/bin/installkernel or'
103 echo ' (distribution) /sbin/installkernel or'
104 echo ' install to $$(INSTALL_PATH) and run lilo'
105 echo ' bzdisk - Create a boot floppy in /dev/fd0'
106 echo ' fdimage - Create a boot floppy image'
107 echo ' isoimage - Create a boot CD-ROM image'
Linus Torvalds1da177e2005-04-16 15:20:36 -0700108endef
109
H. Peter Anvin841b8a42006-03-26 01:36:59 -0800110CLEAN_FILES += arch/$(ARCH)/boot/fdimage \
111 arch/$(ARCH)/boot/image.iso \
112 arch/$(ARCH)/boot/mtools.conf
Linus Torvalds1da177e2005-04-16 15:20:36 -0700113
114