fs: use kmem_cache_zalloc instead
[pv_ops_mirror.git] / arch / x86_64 / Makefile
blob9daa32d1d2a1d3d6b5844a904855616375bb6ce1
2 # x86_64/Makefile
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
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.
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 # Fill in SRCARCH
25 SRCARCH := x86
27 LDFLAGS := -m elf_x86_64
28 OBJCOPYFLAGS := -O binary -R .note -R .comment -S
29 LDFLAGS_vmlinux :=
30 CHECKFLAGS += -D__x86_64__ -m64
32 cflags-y :=
33 cflags-kernel-y :=
34 cflags-$(CONFIG_MK8) += $(call cc-option,-march=k8)
35 cflags-$(CONFIG_MPSC) += $(call cc-option,-march=nocona)
36 # gcc doesn't support -march=core2 yet as of gcc 4.3, but I hope it
37 # will eventually. Use -mtune=generic as fallback
38 cflags-$(CONFIG_MCORE2) += \
39 $(call cc-option,-march=core2,$(call cc-option,-mtune=generic))
40 cflags-$(CONFIG_GENERIC_CPU) += $(call cc-option,-mtune=generic)
42 cflags-y += -m64
43 cflags-y += -mno-red-zone
44 cflags-y += -mcmodel=kernel
45 cflags-y += -pipe
46 cflags-y += -Wno-sign-compare
47 cflags-y += -fno-asynchronous-unwind-tables
48 ifneq ($(CONFIG_DEBUG_INFO),y)
49 # -fweb shrinks the kernel a bit, but the difference is very small
50 # it also messes up debugging, so don't use it for now.
51 #cflags-y += $(call cc-option,-fweb)
52 endif
53 # -funit-at-a-time shrinks the kernel .text considerably
54 # unfortunately it makes reading oopses harder.
55 cflags-y += $(call cc-option,-funit-at-a-time)
56 # prevent gcc from generating any FP code by mistake
57 cflags-y += $(call cc-option,-mno-sse -mno-mmx -mno-sse2 -mno-3dnow,)
58 # this works around some issues with generating unwind tables in older gccs
59 # newer gccs do it by default
60 cflags-y += -maccumulate-outgoing-args
62 # do binutils support CFI?
63 cflags-y += $(call as-instr,.cfi_startproc\n.cfi_rel_offset rsp${comma}0\n.cfi_endproc,-DCONFIG_AS_CFI=1,)
64 KBUILD_AFLAGS += $(call as-instr,.cfi_startproc\n.cfi_rel_offset rsp${comma}0\n.cfi_endproc,-DCONFIG_AS_CFI=1,)
66 # is .cfi_signal_frame supported too?
67 cflags-y += $(call as-instr,.cfi_startproc\n.cfi_signal_frame\n.cfi_endproc,-DCONFIG_AS_CFI_SIGNAL_FRAME=1,)
68 KBUILD_AFLAGS += $(call as-instr,.cfi_startproc\n.cfi_signal_frame\n.cfi_endproc,-DCONFIG_AS_CFI_SIGNAL_FRAME=1,)
70 cflags-$(CONFIG_CC_STACKPROTECTOR) += $(shell $(CONFIG_SHELL) $(srctree)/scripts/gcc-x86_64-has-stack-protector.sh "$(CC)" -fstack-protector )
71 cflags-$(CONFIG_CC_STACKPROTECTOR_ALL) += $(shell $(CONFIG_SHELL) $(srctree)/scripts/gcc-x86_64-has-stack-protector.sh "$(CC)" -fstack-protector-all )
73 KBUILD_CFLAGS += $(cflags-y)
74 CFLAGS_KERNEL += $(cflags-kernel-y)
75 KBUILD_AFLAGS += -m64
77 head-y := arch/x86/kernel/head_64.o arch/x86/kernel/head64.o arch/x86/kernel/init_task_64.o
79 libs-y += arch/x86/lib/
80 core-y += arch/x86/kernel/ \
81 arch/x86/mm/ \
82 arch/x86/crypto/ \
83 arch/x86/vdso/
84 core-$(CONFIG_IA32_EMULATION) += arch/x86/ia32/
85 drivers-$(CONFIG_PCI) += arch/x86/pci/
86 drivers-$(CONFIG_OPROFILE) += arch/x86/oprofile/
88 boot := arch/x86/boot
90 PHONY += bzImage bzlilo install archmrproper \
91 fdimage fdimage144 fdimage288 isoimage archclean
93 #Default target when executing "make"
94 all: bzImage
96 BOOTIMAGE := arch/x86/boot/bzImage
97 KBUILD_IMAGE := $(BOOTIMAGE)
99 bzImage: vmlinux
100 $(Q)mkdir -p $(objtree)/arch/x86_64/boot
101 $(Q)ln -fsn $(objtree)/arch/x86/boot/bzImage $(objtree)/arch/x86_64/boot/bzImage
102 $(Q)$(MAKE) $(build)=$(boot) $(BOOTIMAGE)
104 bzlilo: vmlinux
105 $(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(BOOTIMAGE) zlilo
107 bzdisk: vmlinux
108 $(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(BOOTIMAGE) zdisk
110 fdimage fdimage144 fdimage288 isoimage: vmlinux
111 $(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(BOOTIMAGE) $@
113 install:
114 $(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(BOOTIMAGE) $@
116 archclean:
117 $(Q)rm -rf $(objtree)/arch/x86_64/boot
118 $(Q)$(MAKE) $(clean)=$(boot)
120 define archhelp
121 echo '* bzImage - Compressed kernel image (arch/$(ARCH)/boot/bzImage)'
122 echo ' install - Install kernel using'
123 echo ' (your) ~/bin/installkernel or'
124 echo ' (distribution) /sbin/installkernel or'
125 echo ' install to $$(INSTALL_PATH) and run lilo'
126 echo ' bzdisk - Create a boot floppy in /dev/fd0'
127 echo ' fdimage - Create a boot floppy image'
128 echo ' isoimage - Create a boot CD-ROM image'
129 endef
131 CLEAN_FILES += arch/$(ARCH)/boot/fdimage \
132 arch/$(ARCH)/boot/image.iso \
133 arch/$(ARCH)/boot/mtools.conf