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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 | ||
24 | LDFLAGS := -m elf_x86_64 | |
25 | OBJCOPYFLAGS := -O binary -R .note -R .comment -S | |
26 | LDFLAGS_vmlinux := | |
27 | ||
28 | CHECKFLAGS += -D__x86_64__ -m64 | |
29 | ||
30 | cflags-$(CONFIG_MK8) += $(call cc-option,-march=k8) | |
31 | cflags-$(CONFIG_MPSC) += $(call cc-option,-march=nocona) | |
32 | CFLAGS += $(cflags-y) | |
33 | ||
34 | CFLAGS += -m64 | |
35 | CFLAGS += -mno-red-zone | |
36 | CFLAGS += -mcmodel=kernel | |
37 | CFLAGS += -pipe | |
38 | # this makes reading assembly source easier, but produces worse code | |
39 | # actually it makes the kernel smaller too. | |
40 | CFLAGS += -fno-reorder-blocks | |
41 | CFLAGS += -Wno-sign-compare | |
42 | ifneq ($(CONFIG_UNWIND_INFO),y) | |
43 | CFLAGS += -fno-asynchronous-unwind-tables | |
44 | endif | |
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) | |
49 | endif | |
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 += $(call cc-option,-mno-sse -mno-mmx -mno-sse2 -mno-3dnow,) | |
55 | ||
56 | AFLAGS += -m64 | |
57 | ||
58 | head-y := arch/x86_64/kernel/head.o arch/x86_64/kernel/head64.o arch/x86_64/kernel/init_task.o | |
59 | ||
60 | libs-y += arch/x86_64/lib/ | |
61 | core-y += arch/x86_64/kernel/ \ | |
62 | arch/x86_64/mm/ \ | |
63 | arch/x86_64/crypto/ | |
64 | core-$(CONFIG_IA32_EMULATION) += arch/x86_64/ia32/ | |
65 | drivers-$(CONFIG_PCI) += arch/x86_64/pci/ | |
66 | drivers-$(CONFIG_OPROFILE) += arch/x86_64/oprofile/ | |
67 | ||
68 | boot := arch/x86_64/boot | |
69 | ||
70 | PHONY += bzImage bzlilo install archmrproper \ | |
71 | fdimage fdimage144 fdimage288 archclean | |
72 | ||
73 | #Default target when executing "make" | |
74 | all: bzImage | |
75 | ||
76 | BOOTIMAGE := arch/x86_64/boot/bzImage | |
77 | KBUILD_IMAGE := $(BOOTIMAGE) | |
78 | ||
79 | bzImage: vmlinux | |
80 | $(Q)$(MAKE) $(build)=$(boot) $(BOOTIMAGE) | |
81 | ||
82 | bzlilo: vmlinux | |
83 | $(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(BOOTIMAGE) zlilo | |
84 | ||
85 | bzdisk: vmlinux | |
86 | $(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(BOOTIMAGE) zdisk | |
87 | ||
88 | fdimage fdimage144 fdimage288: vmlinux | |
89 | $(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(BOOTIMAGE) $@ | |
90 | ||
91 | install: | |
92 | $(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(BOOTIMAGE) $@ | |
93 | ||
94 | archclean: | |
95 | $(Q)$(MAKE) $(clean)=$(boot) | |
96 | ||
97 | define archhelp | |
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' | |
103 | endef | |
104 | ||
105 | CLEAN_FILES += arch/$(ARCH)/boot/fdimage arch/$(ARCH)/boot/mtools.conf | |
106 | ||
107 |