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-rw-r--r--arch/x86/Makefile13
-rw-r--r--arch/x86/Makefile_32175
-rw-r--r--arch/x86/Makefile_32.cpu47
-rw-r--r--arch/x86/Makefile_64144
4 files changed, 379 insertions, 0 deletions
diff --git a/arch/x86/Makefile b/arch/x86/Makefile
new file mode 100644
index 000000000000..65077d79c846
--- /dev/null
+++ b/arch/x86/Makefile
@@ -0,0 +1,13 @@
1# Unified Makefile for i386 and x86_64
2
3# No need to remake these files
4$(srctree)/arch/x86/Makefile%: ;
5
6ifeq ($(ARCH),i386)
7 include $(srctree)/arch/x86/Makefile_32
8else
9 include $(srctree)/arch/x86/Makefile_64
10endif
11
12
13
diff --git a/arch/x86/Makefile_32 b/arch/x86/Makefile_32
new file mode 100644
index 000000000000..346ac0766875
--- /dev/null
+++ b/arch/x86/Makefile_32
@@ -0,0 +1,175 @@
1#
2# i386 Makefile
3#
4# This file is included by the global makefile so that you can add your own
5# architecture-specific flags and dependencies. Remember to do have actions
6# for "archclean" cleaning up for this architecture.
7#
8# This file is subject to the terms and conditions of the GNU General Public
9# License. See the file "COPYING" in the main directory of this archive
10# for more details.
11#
12# Copyright (C) 1994 by Linus Torvalds
13#
14# 19990713 Artur Skawina <skawina@geocities.com>
15# Added '-march' and '-mpreferred-stack-boundary' support
16#
17# 20050320 Kianusch Sayah Karadji <kianusch@sk-tech.net>
18# Added support for GEODE CPU
19
20# BITS is used as extension for files which are available in a 32 bit
21# and a 64 bit version to simplify shared Makefiles.
22# e.g.: obj-y += foo_$(BITS).o
23BITS := 32
24export BITS
25
26HAS_BIARCH := $(call cc-option-yn, -m32)
27ifeq ($(HAS_BIARCH),y)
28AS := $(AS) --32
29LD := $(LD) -m elf_i386
30CC := $(CC) -m32
31endif
32
33LDFLAGS := -m elf_i386
34OBJCOPYFLAGS := -O binary -R .note -R .comment -S
35ifdef CONFIG_RELOCATABLE
36LDFLAGS_vmlinux := --emit-relocs
37endif
38CHECKFLAGS += -D__i386__
39
40KBUILD_CFLAGS += -pipe -msoft-float -mregparm=3 -freg-struct-return
41
42# prevent gcc from keeping the stack 16 byte aligned
43KBUILD_CFLAGS += $(call cc-option,-mpreferred-stack-boundary=2)
44
45# CPU-specific tuning. Anything which can be shared with UML should go here.
46include $(srctree)/arch/x86/Makefile_32.cpu
47
48# temporary until string.h is fixed
49cflags-y += -ffreestanding
50
51# this works around some issues with generating unwind tables in older gccs
52# newer gccs do it by default
53cflags-y += -maccumulate-outgoing-args
54
55# Disable unit-at-a-time mode on pre-gcc-4.0 compilers, it makes gcc use
56# a lot more stack due to the lack of sharing of stacklots:
57KBUILD_CFLAGS += $(shell if [ $(call cc-version) -lt 0400 ] ; then echo $(call cc-option,-fno-unit-at-a-time); fi ;)
58
59# do binutils support CFI?
60cflags-y += $(call as-instr,.cfi_startproc\n.cfi_rel_offset esp${comma}0\n.cfi_endproc,-DCONFIG_AS_CFI=1,)
61KBUILD_AFLAGS += $(call as-instr,.cfi_startproc\n.cfi_rel_offset esp${comma}0\n.cfi_endproc,-DCONFIG_AS_CFI=1,)
62
63# is .cfi_signal_frame supported too?
64cflags-y += $(call as-instr,.cfi_startproc\n.cfi_signal_frame\n.cfi_endproc,-DCONFIG_AS_CFI_SIGNAL_FRAME=1,)
65KBUILD_AFLAGS += $(call as-instr,.cfi_startproc\n.cfi_signal_frame\n.cfi_endproc,-DCONFIG_AS_CFI_SIGNAL_FRAME=1,)
66
67KBUILD_CFLAGS += $(cflags-y)
68
69# Default subarch .c files
70mcore-y := arch/x86/mach-default
71
72# Voyager subarch support
73mflags-$(CONFIG_X86_VOYAGER) := -Iinclude/asm-x86/mach-voyager
74mcore-$(CONFIG_X86_VOYAGER) := arch/x86/mach-voyager
75
76# VISWS subarch support
77mflags-$(CONFIG_X86_VISWS) := -Iinclude/asm-x86/mach-visws
78mcore-$(CONFIG_X86_VISWS) := arch/x86/mach-visws
79
80# NUMAQ subarch support
81mflags-$(CONFIG_X86_NUMAQ) := -Iinclude/asm-x86/mach-numaq
82mcore-$(CONFIG_X86_NUMAQ) := arch/x86/mach-default
83
84# BIGSMP subarch support
85mflags-$(CONFIG_X86_BIGSMP) := -Iinclude/asm-x86/mach-bigsmp
86mcore-$(CONFIG_X86_BIGSMP) := arch/x86/mach-default
87
88#Summit subarch support
89mflags-$(CONFIG_X86_SUMMIT) := -Iinclude/asm-x86/mach-summit
90mcore-$(CONFIG_X86_SUMMIT) := arch/x86/mach-default
91
92# generic subarchitecture
93mflags-$(CONFIG_X86_GENERICARCH) := -Iinclude/asm-x86/mach-generic
94mcore-$(CONFIG_X86_GENERICARCH) := arch/x86/mach-default
95core-$(CONFIG_X86_GENERICARCH) += arch/x86/mach-generic/
96
97# ES7000 subarch support
98mflags-$(CONFIG_X86_ES7000) := -Iinclude/asm-x86/mach-es7000
99mcore-$(CONFIG_X86_ES7000) := arch/x86/mach-default
100core-$(CONFIG_X86_ES7000) := arch/x86/mach-es7000/
101
102# Xen paravirtualization support
103core-$(CONFIG_XEN) += arch/x86/xen/
104
105# lguest paravirtualization support
106core-$(CONFIG_LGUEST_GUEST) += arch/x86/lguest/
107
108# default subarch .h files
109mflags-y += -Iinclude/asm-x86/mach-default
110
111head-y := arch/x86/kernel/head_32.o arch/x86/kernel/init_task.o
112
113libs-y += arch/x86/lib/
114core-y += arch/x86/kernel/ \
115 arch/x86/mm/ \
116 $(mcore-y)/ \
117 arch/x86/crypto/
118drivers-$(CONFIG_MATH_EMULATION) += arch/x86/math-emu/
119drivers-$(CONFIG_PCI) += arch/x86/pci/
120# must be linked after kernel/
121drivers-$(CONFIG_OPROFILE) += arch/x86/oprofile/
122drivers-$(CONFIG_PM) += arch/x86/power/
123drivers-$(CONFIG_FB) += arch/x86/video/
124
125KBUILD_CFLAGS += $(mflags-y)
126KBUILD_AFLAGS += $(mflags-y)
127
128boot := arch/x86/boot
129
130PHONY += zImage bzImage compressed zlilo bzlilo \
131 zdisk bzdisk fdimage fdimage144 fdimage288 isoimage install
132
133all: bzImage
134
135# KBUILD_IMAGE specify target image being built
136 KBUILD_IMAGE := $(boot)/bzImage
137zImage zlilo zdisk: KBUILD_IMAGE := arch/x86/boot/zImage
138
139zImage bzImage: vmlinux
140 $(Q)$(MAKE) $(build)=$(boot) $(KBUILD_IMAGE)
141 $(Q)mkdir -p $(objtree)/arch/i386/boot
142 $(Q)ln -fsn ../../x86/boot/bzImage $(objtree)/arch/i386/boot/bzImage
143
144compressed: zImage
145
146zlilo bzlilo: vmlinux
147 $(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(KBUILD_IMAGE) zlilo
148
149zdisk bzdisk: vmlinux
150 $(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(KBUILD_IMAGE) zdisk
151
152fdimage fdimage144 fdimage288 isoimage: vmlinux
153 $(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(KBUILD_IMAGE) $@
154
155install:
156 $(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(KBUILD_IMAGE) install
157
158archclean:
159 $(Q)rm -rf $(objtree)/arch/i386/boot
160 $(Q)$(MAKE) $(clean)=arch/x86/boot
161
162define archhelp
163 echo '* bzImage - Compressed kernel image (arch/$(ARCH)/boot/bzImage)'
164 echo ' install - Install kernel using'
165 echo ' (your) ~/bin/installkernel or'
166 echo ' (distribution) /sbin/installkernel or'
167 echo ' install to $$(INSTALL_PATH) and run lilo'
168 echo ' bzdisk - Create a boot floppy in /dev/fd0'
169 echo ' fdimage - Create a boot floppy image'
170 echo ' isoimage - Create a boot CD-ROM image'
171endef
172
173CLEAN_FILES += arch/$(ARCH)/boot/fdimage \
174 arch/$(ARCH)/boot/image.iso \
175 arch/$(ARCH)/boot/mtools.conf
diff --git a/arch/x86/Makefile_32.cpu b/arch/x86/Makefile_32.cpu
new file mode 100644
index 000000000000..e372b584e919
--- /dev/null
+++ b/arch/x86/Makefile_32.cpu
@@ -0,0 +1,47 @@
1# CPU tuning section - shared with UML.
2# Must change only cflags-y (or [yn]), not CFLAGS! That makes a difference for UML.
3
4#-mtune exists since gcc 3.4
5HAS_MTUNE := $(call cc-option-yn, -mtune=i386)
6ifeq ($(HAS_MTUNE),y)
7tune = $(call cc-option,-mtune=$(1),$(2))
8else
9tune = $(call cc-option,-mcpu=$(1),$(2))
10endif
11
12align := $(cc-option-align)
13cflags-$(CONFIG_M386) += -march=i386
14cflags-$(CONFIG_M486) += -march=i486
15cflags-$(CONFIG_M586) += -march=i586
16cflags-$(CONFIG_M586TSC) += -march=i586
17cflags-$(CONFIG_M586MMX) += -march=pentium-mmx
18cflags-$(CONFIG_M686) += -march=i686
19cflags-$(CONFIG_MPENTIUMII) += -march=i686 $(call tune,pentium2)
20cflags-$(CONFIG_MPENTIUMIII) += -march=i686 $(call tune,pentium3)
21cflags-$(CONFIG_MPENTIUMM) += -march=i686 $(call tune,pentium3)
22cflags-$(CONFIG_MPENTIUM4) += -march=i686 $(call tune,pentium4)
23cflags-$(CONFIG_MK6) += -march=k6
24# Please note, that patches that add -march=athlon-xp and friends are pointless.
25# They make zero difference whatsosever to performance at this time.
26cflags-$(CONFIG_MK7) += -march=athlon
27cflags-$(CONFIG_MK8) += $(call cc-option,-march=k8,-march=athlon)
28cflags-$(CONFIG_MCRUSOE) += -march=i686 $(align)-functions=0 $(align)-jumps=0 $(align)-loops=0
29cflags-$(CONFIG_MEFFICEON) += -march=i686 $(call tune,pentium3) $(align)-functions=0 $(align)-jumps=0 $(align)-loops=0
30cflags-$(CONFIG_MWINCHIPC6) += $(call cc-option,-march=winchip-c6,-march=i586)
31cflags-$(CONFIG_MWINCHIP2) += $(call cc-option,-march=winchip2,-march=i586)
32cflags-$(CONFIG_MWINCHIP3D) += $(call cc-option,-march=winchip2,-march=i586)
33cflags-$(CONFIG_MCYRIXIII) += $(call cc-option,-march=c3,-march=i486) $(align)-functions=0 $(align)-jumps=0 $(align)-loops=0
34cflags-$(CONFIG_MVIAC3_2) += $(call cc-option,-march=c3-2,-march=i686)
35cflags-$(CONFIG_MVIAC7) += -march=i686
36cflags-$(CONFIG_MCORE2) += -march=i686 $(call tune,core2)
37
38# AMD Elan support
39cflags-$(CONFIG_X86_ELAN) += -march=i486
40
41# Geode GX1 support
42cflags-$(CONFIG_MGEODEGX1) += -march=pentium-mmx
43
44# add at the end to overwrite eventual tuning options from earlier
45# cpu entries
46cflags-$(CONFIG_X86_GENERIC) += $(call tune,generic,$(call tune,i686))
47
diff --git a/arch/x86/Makefile_64 b/arch/x86/Makefile_64
new file mode 100644
index 000000000000..57e714a47af7
--- /dev/null
+++ b/arch/x86/Makefile_64
@@ -0,0 +1,144 @@
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# BITS is used as extension for files which are available in a 32 bit
25# and a 64 bit version to simplify shared Makefiles.
26# e.g.: obj-y += foo_$(BITS).o
27BITS := 64
28export BITS
29
30LDFLAGS := -m elf_x86_64
31OBJCOPYFLAGS := -O binary -R .note -R .comment -S
32LDFLAGS_vmlinux :=
33CHECKFLAGS += -D__x86_64__ -m64
34
35cflags-y :=
36cflags-kernel-y :=
37cflags-$(CONFIG_MK8) += $(call cc-option,-march=k8)
38cflags-$(CONFIG_MPSC) += $(call cc-option,-march=nocona)
39# gcc doesn't support -march=core2 yet as of gcc 4.3, but I hope it
40# will eventually. Use -mtune=generic as fallback
41cflags-$(CONFIG_MCORE2) += \
42 $(call cc-option,-march=core2,$(call cc-option,-mtune=generic))
43cflags-$(CONFIG_GENERIC_CPU) += $(call cc-option,-mtune=generic)
44
45cflags-y += -m64
46cflags-y += -mno-red-zone
47cflags-y += -mcmodel=kernel
48cflags-y += -pipe
49cflags-y += -Wno-sign-compare
50cflags-y += -fno-asynchronous-unwind-tables
51ifneq ($(CONFIG_DEBUG_INFO),y)
52# -fweb shrinks the kernel a bit, but the difference is very small
53# it also messes up debugging, so don't use it for now.
54#cflags-y += $(call cc-option,-fweb)
55endif
56# -funit-at-a-time shrinks the kernel .text considerably
57# unfortunately it makes reading oopses harder.
58cflags-y += $(call cc-option,-funit-at-a-time)
59# prevent gcc from generating any FP code by mistake
60cflags-y += $(call cc-option,-mno-sse -mno-mmx -mno-sse2 -mno-3dnow,)
61# this works around some issues with generating unwind tables in older gccs
62# newer gccs do it by default
63cflags-y += -maccumulate-outgoing-args
64
65# do binutils support CFI?
66cflags-y += $(call as-instr,.cfi_startproc\n.cfi_rel_offset rsp${comma}0\n.cfi_endproc,-DCONFIG_AS_CFI=1,)
67KBUILD_AFLAGS += $(call as-instr,.cfi_startproc\n.cfi_rel_offset rsp${comma}0\n.cfi_endproc,-DCONFIG_AS_CFI=1,)
68
69# is .cfi_signal_frame supported too?
70cflags-y += $(call as-instr,.cfi_startproc\n.cfi_signal_frame\n.cfi_endproc,-DCONFIG_AS_CFI_SIGNAL_FRAME=1,)
71KBUILD_AFLAGS += $(call as-instr,.cfi_startproc\n.cfi_signal_frame\n.cfi_endproc,-DCONFIG_AS_CFI_SIGNAL_FRAME=1,)
72
73cflags-$(CONFIG_CC_STACKPROTECTOR) += $(shell $(CONFIG_SHELL) $(srctree)/scripts/gcc-x86_64-has-stack-protector.sh "$(CC)" -fstack-protector )
74cflags-$(CONFIG_CC_STACKPROTECTOR_ALL) += $(shell $(CONFIG_SHELL) $(srctree)/scripts/gcc-x86_64-has-stack-protector.sh "$(CC)" -fstack-protector-all )
75
76KBUILD_CFLAGS += $(cflags-y)
77CFLAGS_KERNEL += $(cflags-kernel-y)
78KBUILD_AFLAGS += -m64
79
80head-y := arch/x86/kernel/head_64.o arch/x86/kernel/head64.o arch/x86/kernel/init_task.o
81
82libs-y += arch/x86/lib/
83core-y += arch/x86/kernel/ \
84 arch/x86/mm/ \
85 arch/x86/crypto/ \
86 arch/x86/vdso/
87core-$(CONFIG_IA32_EMULATION) += arch/x86/ia32/
88drivers-$(CONFIG_PCI) += arch/x86/pci/
89drivers-$(CONFIG_OPROFILE) += arch/x86/oprofile/
90
91boot := arch/x86/boot
92
93PHONY += bzImage bzlilo install archmrproper \
94 fdimage fdimage144 fdimage288 isoimage archclean
95
96#Default target when executing "make"
97all: bzImage
98
99BOOTIMAGE := arch/x86/boot/bzImage
100KBUILD_IMAGE := $(BOOTIMAGE)
101
102bzImage: vmlinux
103 $(Q)$(MAKE) $(build)=$(boot) $(BOOTIMAGE)
104 $(Q)mkdir -p $(objtree)/arch/x86_64/boot
105 $(Q)ln -fsn ../../x86/boot/bzImage $(objtree)/arch/x86_64/boot/bzImage
106
107bzlilo: vmlinux
108 $(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(BOOTIMAGE) zlilo
109
110bzdisk: vmlinux
111 $(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(BOOTIMAGE) zdisk
112
113fdimage fdimage144 fdimage288 isoimage: vmlinux
114 $(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(BOOTIMAGE) $@
115
116install: vdso_install
117 $(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(BOOTIMAGE) $@
118
119vdso_install:
120ifeq ($(CONFIG_IA32_EMULATION),y)
121 $(Q)$(MAKE) $(build)=arch/x86/ia32 $@
122endif
123 $(Q)$(MAKE) $(build)=arch/x86/vdso $@
124
125archclean:
126 $(Q)rm -rf $(objtree)/arch/x86_64/boot
127 $(Q)$(MAKE) $(clean)=$(boot)
128
129define archhelp
130 echo '* bzImage - Compressed kernel image (arch/$(ARCH)/boot/bzImage)'
131 echo ' install - Install kernel using'
132 echo ' (your) ~/bin/installkernel or'
133 echo ' (distribution) /sbin/installkernel or'
134 echo ' install to $$(INSTALL_PATH) and run lilo'
135 echo ' bzdisk - Create a boot floppy in /dev/fd0'
136 echo ' fdimage - Create a boot floppy image'
137 echo ' isoimage - Create a boot CD-ROM image'
138endef
139
140CLEAN_FILES += arch/$(ARCH)/boot/fdimage \
141 arch/$(ARCH)/boot/image.iso \
142 arch/$(ARCH)/boot/mtools.conf
143
144