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1da177e4 LT |
1 | # |
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 | ||
1da177e4 LT |
24 | LDFLAGS := -m elf_x86_64 |
25 | OBJCOPYFLAGS := -O binary -R .note -R .comment -S | |
5ded01e8 | 26 | LDFLAGS_vmlinux := |
1da177e4 LT |
27 | CHECKFLAGS += -D__x86_64__ -m64 |
28 | ||
bbd3aff8 | 29 | cflags-y := |
409f89e0 | 30 | cflags-kernel-y := |
1da177e4 LT |
31 | cflags-$(CONFIG_MK8) += $(call cc-option,-march=k8) |
32 | cflags-$(CONFIG_MPSC) += $(call cc-option,-march=nocona) | |
dca99a38 | 33 | cflags-$(CONFIG_GENERIC_CPU) += $(call cc-option,-mtune=generic) |
1da177e4 | 34 | |
bbd3aff8 SR |
35 | cflags-y += -m64 |
36 | cflags-y += -mno-red-zone | |
37 | cflags-y += -mcmodel=kernel | |
38 | cflags-y += -pipe | |
409f89e0 | 39 | cflags-kernel-$(CONFIG_REORDER) += -ffunction-sections |
1da177e4 LT |
40 | # this makes reading assembly source easier, but produces worse code |
41 | # actually it makes the kernel smaller too. | |
bbd3aff8 SR |
42 | cflags-y += -fno-reorder-blocks |
43 | cflags-y += -Wno-sign-compare | |
6e0c47ed | 44 | ifneq ($(CONFIG_UNWIND_INFO),y) |
bbd3aff8 | 45 | cflags-y += -fno-asynchronous-unwind-tables |
6e0c47ed JB |
46 | endif |
47 | ifneq ($(CONFIG_DEBUG_INFO),y) | |
1da177e4 LT |
48 | # -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. | |
bbd3aff8 | 50 | #cflags-y += $(call cc-option,-fweb) |
1da177e4 LT |
51 | endif |
52 | # -funit-at-a-time shrinks the kernel .text considerably | |
53 | # unfortunately it makes reading oopses harder. | |
bbd3aff8 | 54 | cflags-y += $(call cc-option,-funit-at-a-time) |
1da177e4 | 55 | # prevent gcc from generating any FP code by mistake |
bbd3aff8 | 56 | cflags-y += $(call cc-option,-mno-sse -mno-mmx -mno-sse2 -mno-3dnow,) |
e2414910 AK |
57 | # do binutils support CFI? |
58 | cflags-y += $(call as-instr,.cfi_startproc\n.cfi_endproc,-DCONFIG_AS_CFI=1,) | |
59 | AFLAGS += $(call as-instr,.cfi_startproc\n.cfi_endproc,-DCONFIG_AS_CFI=1,) | |
1da177e4 | 60 | |
bbd3aff8 | 61 | CFLAGS += $(cflags-y) |
409f89e0 | 62 | CFLAGS_KERNEL += $(cflags-kernel-y) |
bb33421d AK |
63 | AFLAGS += -m64 |
64 | ||
1da177e4 LT |
65 | head-y := arch/x86_64/kernel/head.o arch/x86_64/kernel/head64.o arch/x86_64/kernel/init_task.o |
66 | ||
67 | libs-y += arch/x86_64/lib/ | |
a2a892a2 AS |
68 | core-y += arch/x86_64/kernel/ \ |
69 | arch/x86_64/mm/ \ | |
70 | arch/x86_64/crypto/ | |
1da177e4 LT |
71 | core-$(CONFIG_IA32_EMULATION) += arch/x86_64/ia32/ |
72 | drivers-$(CONFIG_PCI) += arch/x86_64/pci/ | |
73 | drivers-$(CONFIG_OPROFILE) += arch/x86_64/oprofile/ | |
74 | ||
75 | boot := arch/x86_64/boot | |
76 | ||
4f193362 | 77 | PHONY += bzImage bzlilo install archmrproper \ |
841b8a46 | 78 | fdimage fdimage144 fdimage288 isoimage archclean |
1da177e4 LT |
79 | |
80 | #Default target when executing "make" | |
81 | all: bzImage | |
82 | ||
83 | BOOTIMAGE := arch/x86_64/boot/bzImage | |
84 | KBUILD_IMAGE := $(BOOTIMAGE) | |
85 | ||
86 | bzImage: vmlinux | |
87 | $(Q)$(MAKE) $(build)=$(boot) $(BOOTIMAGE) | |
88 | ||
89 | bzlilo: vmlinux | |
90 | $(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(BOOTIMAGE) zlilo | |
91 | ||
92 | bzdisk: vmlinux | |
93 | $(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(BOOTIMAGE) zdisk | |
94 | ||
841b8a46 | 95 | fdimage fdimage144 fdimage288 isoimage: vmlinux |
1da177e4 LT |
96 | $(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(BOOTIMAGE) $@ |
97 | ||
0d20babd PA |
98 | install: |
99 | $(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(BOOTIMAGE) $@ | |
100 | ||
1da177e4 LT |
101 | archclean: |
102 | $(Q)$(MAKE) $(clean)=$(boot) | |
103 | ||
1da177e4 LT |
104 | define archhelp |
105 | echo '* bzImage - Compressed kernel image (arch/$(ARCH)/boot/bzImage)' | |
106 | echo ' install - Install kernel using' | |
841b8a46 PA |
107 | echo ' (your) ~/bin/installkernel or' |
108 | echo ' (distribution) /sbin/installkernel or' | |
109 | echo ' install to $$(INSTALL_PATH) and run lilo' | |
110 | echo ' bzdisk - Create a boot floppy in /dev/fd0' | |
111 | echo ' fdimage - Create a boot floppy image' | |
112 | echo ' isoimage - Create a boot CD-ROM image' | |
1da177e4 LT |
113 | endef |
114 | ||
841b8a46 PA |
115 | CLEAN_FILES += arch/$(ARCH)/boot/fdimage \ |
116 | arch/$(ARCH)/boot/image.iso \ | |
117 | arch/$(ARCH)/boot/mtools.conf | |
1da177e4 LT |
118 | |
119 |