Commit | Line | Data |
---|---|---|
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 | ||
250c2277 TG |
24 | # Fill in SRCARCH |
25 | SRCARCH := x86 | |
26 | ||
bec2c48c TG |
27 | # BITS is used as extension for files which are available in a 32 bit |
28 | # and a 64 bit version to simplify shared Makefiles. | |
29 | # e.g.: obj-y += foo_$(BITS).o | |
30 | BITS := 64 | |
31 | export BITS | |
32 | ||
1da177e4 LT |
33 | LDFLAGS := -m elf_x86_64 |
34 | OBJCOPYFLAGS := -O binary -R .note -R .comment -S | |
5ded01e8 | 35 | LDFLAGS_vmlinux := |
1da177e4 LT |
36 | CHECKFLAGS += -D__x86_64__ -m64 |
37 | ||
bbd3aff8 | 38 | cflags-y := |
409f89e0 | 39 | cflags-kernel-y := |
1da177e4 LT |
40 | cflags-$(CONFIG_MK8) += $(call cc-option,-march=k8) |
41 | cflags-$(CONFIG_MPSC) += $(call cc-option,-march=nocona) | |
71381998 AK |
42 | # gcc doesn't support -march=core2 yet as of gcc 4.3, but I hope it |
43 | # will eventually. Use -mtune=generic as fallback | |
44 | cflags-$(CONFIG_MCORE2) += \ | |
45 | $(call cc-option,-march=core2,$(call cc-option,-mtune=generic)) | |
dca99a38 | 46 | cflags-$(CONFIG_GENERIC_CPU) += $(call cc-option,-mtune=generic) |
1da177e4 | 47 | |
bbd3aff8 SR |
48 | cflags-y += -m64 |
49 | cflags-y += -mno-red-zone | |
50 | cflags-y += -mcmodel=kernel | |
51 | cflags-y += -pipe | |
bbd3aff8 | 52 | cflags-y += -Wno-sign-compare |
bbd3aff8 | 53 | cflags-y += -fno-asynchronous-unwind-tables |
6e0c47ed | 54 | ifneq ($(CONFIG_DEBUG_INFO),y) |
1da177e4 LT |
55 | # -fweb shrinks the kernel a bit, but the difference is very small |
56 | # it also messes up debugging, so don't use it for now. | |
bbd3aff8 | 57 | #cflags-y += $(call cc-option,-fweb) |
1da177e4 LT |
58 | endif |
59 | # -funit-at-a-time shrinks the kernel .text considerably | |
60 | # unfortunately it makes reading oopses harder. | |
bbd3aff8 | 61 | cflags-y += $(call cc-option,-funit-at-a-time) |
1da177e4 | 62 | # prevent gcc from generating any FP code by mistake |
bbd3aff8 | 63 | cflags-y += $(call cc-option,-mno-sse -mno-mmx -mno-sse2 -mno-3dnow,) |
cdfce1f5 AK |
64 | # this works around some issues with generating unwind tables in older gccs |
65 | # newer gccs do it by default | |
66 | cflags-y += -maccumulate-outgoing-args | |
67 | ||
e2414910 | 68 | # do binutils support CFI? |
f0f12d85 | 69 | cflags-y += $(call as-instr,.cfi_startproc\n.cfi_rel_offset rsp${comma}0\n.cfi_endproc,-DCONFIG_AS_CFI=1,) |
222d394d | 70 | KBUILD_AFLAGS += $(call as-instr,.cfi_startproc\n.cfi_rel_offset rsp${comma}0\n.cfi_endproc,-DCONFIG_AS_CFI=1,) |
1da177e4 | 71 | |
adf14236 JB |
72 | # is .cfi_signal_frame supported too? |
73 | cflags-y += $(call as-instr,.cfi_startproc\n.cfi_signal_frame\n.cfi_endproc,-DCONFIG_AS_CFI_SIGNAL_FRAME=1,) | |
222d394d | 74 | KBUILD_AFLAGS += $(call as-instr,.cfi_startproc\n.cfi_signal_frame\n.cfi_endproc,-DCONFIG_AS_CFI_SIGNAL_FRAME=1,) |
adf14236 | 75 | |
ccf9ff52 IM |
76 | cflags-$(CONFIG_CC_STACKPROTECTOR) += $(shell $(CONFIG_SHELL) $(srctree)/scripts/gcc-x86_64-has-stack-protector.sh "$(CC)" -fstack-protector ) |
77 | cflags-$(CONFIG_CC_STACKPROTECTOR_ALL) += $(shell $(CONFIG_SHELL) $(srctree)/scripts/gcc-x86_64-has-stack-protector.sh "$(CC)" -fstack-protector-all ) | |
4f7fd4d7 | 78 | |
a0f97e06 | 79 | KBUILD_CFLAGS += $(cflags-y) |
409f89e0 | 80 | CFLAGS_KERNEL += $(cflags-kernel-y) |
222d394d | 81 | KBUILD_AFLAGS += -m64 |
bb33421d | 82 | |
77788878 | 83 | head-y := arch/x86/kernel/head_64.o arch/x86/kernel/head64.o arch/x86/kernel/init_task.o |
1da177e4 | 84 | |
185f3d38 | 85 | libs-y += arch/x86/lib/ |
250c2277 | 86 | core-y += arch/x86/kernel/ \ |
95119fbd | 87 | arch/x86/mm/ \ |
987c75d7 | 88 | arch/x86/crypto/ \ |
7648b133 | 89 | arch/x86/vdso/ |
2db55d34 | 90 | core-$(CONFIG_IA32_EMULATION) += arch/x86/ia32/ |
f68c0654 | 91 | drivers-$(CONFIG_PCI) += arch/x86/pci/ |
ff439565 | 92 | drivers-$(CONFIG_OPROFILE) += arch/x86/oprofile/ |
1da177e4 | 93 | |
2a6c8d5a | 94 | boot := arch/x86/boot |
1da177e4 | 95 | |
4f193362 | 96 | PHONY += bzImage bzlilo install archmrproper \ |
841b8a46 | 97 | fdimage fdimage144 fdimage288 isoimage archclean |
1da177e4 LT |
98 | |
99 | #Default target when executing "make" | |
100 | all: bzImage | |
101 | ||
2a6c8d5a | 102 | BOOTIMAGE := arch/x86/boot/bzImage |
1da177e4 LT |
103 | KBUILD_IMAGE := $(BOOTIMAGE) |
104 | ||
105 | bzImage: vmlinux | |
106 | $(Q)$(MAKE) $(build)=$(boot) $(BOOTIMAGE) | |
3ceba781 SR |
107 | $(Q)mkdir -p $(objtree)/arch/x86_64/boot |
108 | $(Q)ln -fsn ../../x86/boot/bzImage $(objtree)/arch/x86_64/boot/bzImage | |
1da177e4 LT |
109 | |
110 | bzlilo: vmlinux | |
111 | $(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(BOOTIMAGE) zlilo | |
112 | ||
113 | bzdisk: vmlinux | |
114 | $(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(BOOTIMAGE) zdisk | |
115 | ||
841b8a46 | 116 | fdimage fdimage144 fdimage288 isoimage: vmlinux |
1da177e4 LT |
117 | $(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(BOOTIMAGE) $@ |
118 | ||
af7e6a74 | 119 | install: vdso_install |
0d20babd PA |
120 | $(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(BOOTIMAGE) $@ |
121 | ||
af7e6a74 RM |
122 | vdso_install: |
123 | ifeq ($(CONFIG_IA32_EMULATION),y) | |
124 | $(Q)$(MAKE) $(build)=arch/x86/ia32 $@ | |
125 | endif | |
f79eb83b | 126 | $(Q)$(MAKE) $(build)=arch/x86/vdso $@ |
af7e6a74 | 127 | |
1da177e4 | 128 | archclean: |
2a6c8d5a | 129 | $(Q)rm -rf $(objtree)/arch/x86_64/boot |
1da177e4 LT |
130 | $(Q)$(MAKE) $(clean)=$(boot) |
131 | ||
1da177e4 LT |
132 | define archhelp |
133 | echo '* bzImage - Compressed kernel image (arch/$(ARCH)/boot/bzImage)' | |
134 | echo ' install - Install kernel using' | |
841b8a46 PA |
135 | echo ' (your) ~/bin/installkernel or' |
136 | echo ' (distribution) /sbin/installkernel or' | |
137 | echo ' install to $$(INSTALL_PATH) and run lilo' | |
138 | echo ' bzdisk - Create a boot floppy in /dev/fd0' | |
139 | echo ' fdimage - Create a boot floppy image' | |
140 | echo ' isoimage - Create a boot CD-ROM image' | |
1da177e4 LT |
141 | endef |
142 | ||
841b8a46 PA |
143 | CLEAN_FILES += arch/$(ARCH)/boot/fdimage \ |
144 | arch/$(ARCH)/boot/image.iso \ | |
145 | arch/$(ARCH)/boot/mtools.conf | |
1da177e4 LT |
146 | |
147 |