[GitHub/mt8127/android_kernel_alcatel_ttab.git] / arch / x86 / Makefile

# Unified Makefile for i386 and x86_64

# select defconfig based on actual architecture
ifeq ($(ARCH),x86)
        KBUILD_DEFCONFIG := i386_defconfig
else
        KBUILD_DEFCONFIG := $(ARCH)_defconfig
endif

# BITS is used as extension for files which are available in a 32 bit
# and a 64 bit version to simplify shared Makefiles.
# e.g.: obj-y += foo_$(BITS).o
export BITS

ifeq ($(CONFIG_X86_32),y)
        BITS := 32
        UTS_MACHINE := i386

        HAS_BIARCH := $(call cc-option-yn, -m32)
        ifeq ($(HAS_BIARCH),y)
                AS := $(AS) --32
                LD := $(LD) -m elf_i386
                CC := $(CC) -m32
        endif

        ifdef CONFIG_RELOCATABLE
                LDFLAGS_vmlinux := --emit-relocs
        endif
        CHECKFLAGS += -D__i386__

        KBUILD_CFLAGS += -msoft-float -mregparm=3 -freg-struct-return

        # prevent gcc from keeping the stack 16 byte aligned
        KBUILD_CFLAGS += $(call cc-option,-mpreferred-stack-boundary=2)

        # Disable unit-at-a-time mode on pre-gcc-4.0 compilers, it makes gcc use
        # a lot more stack due to the lack of sharing of stacklots:
        KBUILD_CFLAGS += $(shell if [ $(call cc-version) -lt 0400 ] ; then \
                echo $(call cc-option,-fno-unit-at-a-time); fi ;)

        # CPU-specific tuning. Anything which can be shared with UML should go here.
        include $(srctree)/arch/x86/Makefile_32.cpu
        KBUILD_CFLAGS += $(cflags-y)

        # temporary until string.h is fixed
        KBUILD_CFLAGS += -ffreestanding
else
        BITS := 64
        UTS_MACHINE := x86_64
        CHECKFLAGS += -D__x86_64__ -m64

        KBUILD_AFLAGS += -m64
        KBUILD_CFLAGS += -m64

        # FIXME - should be integrated in Makefile.cpu (Makefile_32.cpu)
        cflags-$(CONFIG_MK8) += $(call cc-option,-march=k8)
        cflags-$(CONFIG_MPSC) += $(call cc-option,-march=nocona)

        cflags-$(CONFIG_MCORE2) += \
                $(call cc-option,-march=core2,$(call cc-option,-mtune=generic))
        cflags-$(CONFIG_GENERIC_CPU) += $(call cc-option,-mtune=generic)
        KBUILD_CFLAGS += $(cflags-y)

        KBUILD_CFLAGS += -mno-red-zone
        KBUILD_CFLAGS += -mcmodel=kernel

        KBUILD_CFLAGS += -Wno-sign-compare
        KBUILD_CFLAGS += -fno-asynchronous-unwind-tables
        # -funit-at-a-time shrinks the kernel .text considerably
        # unfortunately it makes reading oopses harder.
        KBUILD_CFLAGS += $(call cc-option,-funit-at-a-time)

        # prevent gcc from generating any FP code by mistake
        KBUILD_CFLAGS += $(call cc-option,-mno-sse -mno-mmx -mno-sse2 -mno-3dnow,)
        # this works around some issues with generating unwind tables in older gccs
        # newer gccs do it by default
        KBUILD_CFLAGS += -maccumulate-outgoing-args

        stackp := $(CONFIG_SHELL) $(srctree)/scripts/gcc-x86_64-has-stack-protector.sh
        stackp-$(CONFIG_CC_STACKPROTECTOR) := $(shell $(stackp) \
                "$(CC)" -fstack-protector )
        stackp-$(CONFIG_CC_STACKPROTECTOR_ALL) += $(shell $(stackp) \
                "$(CC)" -fstack-protector-all )

        KBUILD_CFLAGS += $(stackp-y)
endif

# Stackpointer is addressed different for 32 bit and 64 bit x86
sp-$(CONFIG_X86_32) := esp
sp-$(CONFIG_X86_64) := rsp

# do binutils support CFI?
cfi := $(call as-instr,.cfi_startproc\n.cfi_rel_offset $(sp-y)$(comma)0\n.cfi_endproc,-DCONFIG_AS_CFI=1)
# is .cfi_signal_frame supported too?
cfi-sigframe := $(call as-instr,.cfi_startproc\n.cfi_signal_frame\n.cfi_endproc,-DCONFIG_AS_CFI_SIGNAL_FRAME=1)
KBUILD_AFLAGS += $(cfi) $(cfi-sigframe)
KBUILD_CFLAGS += $(cfi) $(cfi-sigframe)

LDFLAGS := -m elf_$(UTS_MACHINE)
OBJCOPYFLAGS := -O binary -R .note -R .comment -S
KBUILD_CFLAGS += -pipe

###
# Sub architecture support
# fcore-y is linked before mcore-y files.

# Default subarch .c files
mcore-y  := arch/x86/mach-default/

# Voyager subarch support
mflags-$(CONFIG_X86_VOYAGER)	:= -Iinclude/asm-x86/mach-voyager
mcore-$(CONFIG_X86_VOYAGER)	:= arch/x86/mach-voyager/

# VISWS subarch support
mflags-$(CONFIG_X86_VISWS)	:= -Iinclude/asm-x86/mach-visws
mcore-$(CONFIG_X86_VISWS)	:= arch/x86/mach-visws/

# NUMAQ subarch support
mflags-$(CONFIG_X86_NUMAQ)	:= -Iinclude/asm-x86/mach-numaq
mcore-$(CONFIG_X86_NUMAQ)	:= arch/x86/mach-default/

# BIGSMP subarch support
mflags-$(CONFIG_X86_BIGSMP)	:= -Iinclude/asm-x86/mach-bigsmp
mcore-$(CONFIG_X86_BIGSMP)	:= arch/x86/mach-default/

#Summit subarch support
mflags-$(CONFIG_X86_SUMMIT)	:= -Iinclude/asm-x86/mach-summit
mcore-$(CONFIG_X86_SUMMIT)	:= arch/x86/mach-default/

# generic subarchitecture
mflags-$(CONFIG_X86_GENERICARCH):= -Iinclude/asm-x86/mach-generic
fcore-$(CONFIG_X86_GENERICARCH)	+= arch/x86/mach-generic/
mcore-$(CONFIG_X86_GENERICARCH)	:= arch/x86/mach-default/


# ES7000 subarch support
mflags-$(CONFIG_X86_ES7000)	:= -Iinclude/asm-x86/mach-es7000
fcore-$(CONFIG_X86_ES7000)	:= arch/x86/mach-es7000/
mcore-$(CONFIG_X86_ES7000)	:= arch/x86/mach-default/

# default subarch .h files
mflags-y += -Iinclude/asm-x86/mach-default

# 64 bit does not support subarch support - clear sub arch variables
fcore-$(CONFIG_X86_64)  :=
mcore-$(CONFIG_X86_64)  :=
mflags-$(CONFIG_X86_64) :=

KBUILD_CFLAGS += $(mflags-y)
KBUILD_AFLAGS += $(mflags-y)

###
# Kernel objects

head-y                := arch/x86/kernel/head_$(BITS).o
head-$(CONFIG_X86_64) += arch/x86/kernel/head64.o
head-y                += arch/x86/kernel/init_task.o

libs-y  += arch/x86/lib/

# Sub architecture files that needs linking first
core-y += $(fcore-y)

# Xen paravirtualization support
core-$(CONFIG_XEN) += arch/x86/xen/

# lguest paravirtualization support
core-$(CONFIG_LGUEST_GUEST) += arch/x86/lguest/

core-y += arch/x86/kernel/
core-y += arch/x86/mm/

# Remaining sub architecture files
core-y += $(mcore-y)

core-y += arch/x86/crypto/
core-y += arch/x86/vdso/
core-$(CONFIG_IA32_EMULATION) += arch/x86/ia32/

# drivers-y are linked after core-y
drivers-$(CONFIG_MATH_EMULATION) += arch/x86/math-emu/
drivers-$(CONFIG_PCI)            += arch/x86/pci/

# must be linked after kernel/
drivers-$(CONFIG_OPROFILE) += arch/x86/oprofile/

ifeq ($(CONFIG_X86_32),y)
drivers-$(CONFIG_PM) += arch/x86/power/
drivers-$(CONFIG_FB) += arch/x86/video/
endif

####
# boot loader support. Several targets are kept for legacy purposes

boot := arch/x86/boot

PHONY += zImage bzImage compressed zlilo bzlilo \
         zdisk bzdisk fdimage fdimage144 fdimage288 isoimage install

# Default kernel to build
all: bzImage

# KBUILD_IMAGE specify target image being built
                    KBUILD_IMAGE := $(boot)/bzImage
zImage zlilo zdisk: KBUILD_IMAGE := arch/x86/boot/zImage

zImage bzImage: vmlinux
	$(Q)$(MAKE) $(build)=$(boot) $(KBUILD_IMAGE)
	$(Q)mkdir -p $(objtree)/arch/$(UTS_MACHINE)/boot
	$(Q)ln -fsn ../../x86/boot/bzImage $(objtree)/arch/$(UTS_MACHINE)/boot/bzImage

compressed: zImage

zlilo bzlilo: vmlinux
	$(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(KBUILD_IMAGE) zlilo

zdisk bzdisk: vmlinux
	$(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(KBUILD_IMAGE) zdisk

fdimage fdimage144 fdimage288 isoimage: vmlinux
	$(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(KBUILD_IMAGE) $@

install: vdso_install
	$(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(KBUILD_IMAGE) install

PHONY += vdso_install
vdso_install:
	$(Q)$(MAKE) $(build)=arch/x86/vdso $@

archclean:
	$(Q)rm -rf $(objtree)/arch/i386
	$(Q)rm -rf $(objtree)/arch/x86_64
	$(Q)$(MAKE) $(clean)=$(boot)

define archhelp
  echo  '* bzImage	- Compressed kernel image (arch/x86/boot/bzImage)'
  echo  '  install	- Install kernel using'
  echo  '		   (your) ~/bin/installkernel or'
  echo  '		   (distribution) /sbin/installkernel or'
  echo  '		   install to $$(INSTALL_PATH) and run lilo'
  echo  '  bzdisk       - Create a boot floppy in /dev/fd0'
  echo  '  fdimage      - Create a boot floppy image'
  echo  '  isoimage     - Create a boot CD-ROM image'
endef

CLEAN_FILES += arch/x86/boot/fdimage \
	       arch/x86/boot/image.iso \
	       arch/x86/boot/mtools.conf
Commit	Line	Data
74b469f2 SR	1	# Unified Makefile for i386 and x86_64
74b469f2 SR	2
2266cfd5	3	# select defconfig based on actual architecture
d746d647 SR	4	ifeq ($(ARCH),x86)
	5	KBUILD_DEFCONFIG := i386_defconfig
	6	else
	7	KBUILD_DEFCONFIG := $(ARCH)_defconfig
	8	endif
2266cfd5	9
0a6ef376 SR	10	# BITS is used as extension for files which are available in a 32 bit
	11	# and a 64 bit version to simplify shared Makefiles.
	12	# e.g.: obj-y += foo_$(BITS).o
	13	export BITS
74b469f2	14
d746d647	15	ifeq ($(CONFIG_X86_32),y)
0a6ef376	16	BITS := 32
8c6531f7	17	UTS_MACHINE := i386
0a6ef376 SR	18
	19	HAS_BIARCH := $(call cc-option-yn, -m32)
	20	ifeq ($(HAS_BIARCH),y)
	21	AS := $(AS) --32
	22	LD := $(LD) -m elf_i386
	23	CC := $(CC) -m32
	24	endif
	25
	26	ifdef CONFIG_RELOCATABLE
	27	LDFLAGS_vmlinux := --emit-relocs
	28	endif
	29	CHECKFLAGS += -D__i386__
	30
	31	KBUILD_CFLAGS += -msoft-float -mregparm=3 -freg-struct-return
	32
	33	# prevent gcc from keeping the stack 16 byte aligned
	34	KBUILD_CFLAGS += $(call cc-option,-mpreferred-stack-boundary=2)
	35
	36	# Disable unit-at-a-time mode on pre-gcc-4.0 compilers, it makes gcc use
	37	# a lot more stack due to the lack of sharing of stacklots:
	38	KBUILD_CFLAGS += $(shell if [ $(call cc-version) -lt 0400 ] ; then \
	39	echo $(call cc-option,-fno-unit-at-a-time); fi ;)
	40
	41	# CPU-specific tuning. Anything which can be shared with UML should go here.
	42	include $(srctree)/arch/x86/Makefile_32.cpu
	43	KBUILD_CFLAGS += $(cflags-y)
	44
	45	# temporary until string.h is fixed
	46	KBUILD_CFLAGS += -ffreestanding
74b469f2	47	else
0a6ef376	48	BITS := 64
8c6531f7	49	UTS_MACHINE := x86_64
0a6ef376 SR	50	CHECKFLAGS += -D__x86_64__ -m64
	51
	52	KBUILD_AFLAGS += -m64
	53	KBUILD_CFLAGS += -m64
	54
	55	# FIXME - should be integrated in Makefile.cpu (Makefile_32.cpu)
	56	cflags-$(CONFIG_MK8) += $(call cc-option,-march=k8)
	57	cflags-$(CONFIG_MPSC) += $(call cc-option,-march=nocona)
	58
	59	cflags-$(CONFIG_MCORE2) += \
	60	$(call cc-option,-march=core2,$(call cc-option,-mtune=generic))
	61	cflags-$(CONFIG_GENERIC_CPU) += $(call cc-option,-mtune=generic)
	62	KBUILD_CFLAGS += $(cflags-y)
	63
	64	KBUILD_CFLAGS += -mno-red-zone
	65	KBUILD_CFLAGS += -mcmodel=kernel
	66
	67	KBUILD_CFLAGS += -Wno-sign-compare
	68	KBUILD_CFLAGS += -fno-asynchronous-unwind-tables
	69	# -funit-at-a-time shrinks the kernel .text considerably
	70	# unfortunately it makes reading oopses harder.
	71	KBUILD_CFLAGS += $(call cc-option,-funit-at-a-time)
	72
	73	# prevent gcc from generating any FP code by mistake
	74	KBUILD_CFLAGS += $(call cc-option,-mno-sse -mno-mmx -mno-sse2 -mno-3dnow,)
	75	# this works around some issues with generating unwind tables in older gccs
	76	# newer gccs do it by default
	77	KBUILD_CFLAGS += -maccumulate-outgoing-args
	78
	79	stackp := $(CONFIG_SHELL) $(srctree)/scripts/gcc-x86_64-has-stack-protector.sh
	80	stackp-$(CONFIG_CC_STACKPROTECTOR) := $(shell $(stackp) \
	81	"$(CC)" -fstack-protector )
	82	stackp-$(CONFIG_CC_STACKPROTECTOR_ALL) += $(shell $(stackp) \
	83	"$(CC)" -fstack-protector-all )
	84
	85	KBUILD_CFLAGS += $(stackp-y)
	86	endif
	87
	88	# Stackpointer is addressed different for 32 bit and 64 bit x86
	89	sp-$(CONFIG_X86_32) := esp
	90	sp-$(CONFIG_X86_64) := rsp
	91
	92	# do binutils support CFI?
	93	cfi := $(call as-instr,.cfi_startproc\n.cfi_rel_offset $(sp-y)$(comma)0\n.cfi_endproc,-DCONFIG_AS_CFI=1)
	94	# is .cfi_signal_frame supported too?
	95	cfi-sigframe := $(call as-instr,.cfi_startproc\n.cfi_signal_frame\n.cfi_endproc,-DCONFIG_AS_CFI_SIGNAL_FRAME=1)
	96	KBUILD_AFLAGS += $(cfi) $(cfi-sigframe)
	97	KBUILD_CFLAGS += $(cfi) $(cfi-sigframe)
	98
	99	LDFLAGS := -m elf_$(UTS_MACHINE)
	100	OBJCOPYFLAGS := -O binary -R .note -R .comment -S
	101	KBUILD_CFLAGS += -pipe
	102
	103	###
	104	# Sub architecture support
	105	# fcore-y is linked before mcore-y files.
	106
	107	# Default subarch .c files
	108	mcore-y := arch/x86/mach-default/
	109
	110	# Voyager subarch support
	111	mflags-$(CONFIG_X86_VOYAGER) := -Iinclude/asm-x86/mach-voyager
	112	mcore-$(CONFIG_X86_VOYAGER) := arch/x86/mach-voyager/
	113
114	# VISWS subarch support
115	mflags-$(CONFIG_X86_VISWS) := -Iinclude/asm-x86/mach-visws
116	mcore-$(CONFIG_X86_VISWS) := arch/x86/mach-visws/
117
118	# NUMAQ subarch support
119	mflags-$(CONFIG_X86_NUMAQ) := -Iinclude/asm-x86/mach-numaq
120	mcore-$(CONFIG_X86_NUMAQ) := arch/x86/mach-default/
121
122	# BIGSMP subarch support
123	mflags-$(CONFIG_X86_BIGSMP) := -Iinclude/asm-x86/mach-bigsmp
124	mcore-$(CONFIG_X86_BIGSMP) := arch/x86/mach-default/
125
126	#Summit subarch support
127	mflags-$(CONFIG_X86_SUMMIT) := -Iinclude/asm-x86/mach-summit
128	mcore-$(CONFIG_X86_SUMMIT) := arch/x86/mach-default/
129
130	# generic subarchitecture
131	mflags-$(CONFIG_X86_GENERICARCH):= -Iinclude/asm-x86/mach-generic
132	fcore-$(CONFIG_X86_GENERICARCH) += arch/x86/mach-generic/
133	mcore-$(CONFIG_X86_GENERICARCH) := arch/x86/mach-default/
134
135
136	# ES7000 subarch support
137	mflags-$(CONFIG_X86_ES7000) := -Iinclude/asm-x86/mach-es7000
138	fcore-$(CONFIG_X86_ES7000) := arch/x86/mach-es7000/
139	mcore-$(CONFIG_X86_ES7000) := arch/x86/mach-default/
140
141	# default subarch .h files
142	mflags-y += -Iinclude/asm-x86/mach-default
143
144	# 64 bit does not support subarch support - clear sub arch variables
145	fcore-$(CONFIG_X86_64) :=
146	mcore-$(CONFIG_X86_64) :=
147	mflags-$(CONFIG_X86_64) :=
148
149	KBUILD_CFLAGS += $(mflags-y)
150	KBUILD_AFLAGS += $(mflags-y)
151
152	###
153	# Kernel objects
154
155	head-y := arch/x86/kernel/head_$(BITS).o
156	head-$(CONFIG_X86_64) += arch/x86/kernel/head64.o
157	head-y += arch/x86/kernel/init_task.o
158
159	libs-y += arch/x86/lib/
160
161	# Sub architecture files that needs linking first
162	core-y += $(fcore-y)
163
164	# Xen paravirtualization support
165	core-$(CONFIG_XEN) += arch/x86/xen/
166
167	# lguest paravirtualization support
168	core-$(CONFIG_LGUEST_GUEST) += arch/x86/lguest/
169
170	core-y += arch/x86/kernel/
171	core-y += arch/x86/mm/
172
173	# Remaining sub architecture files
174	core-y += $(mcore-y)
175
176	core-y += arch/x86/crypto/
177	core-y += arch/x86/vdso/
178	core-$(CONFIG_IA32_EMULATION) += arch/x86/ia32/
179
180	# drivers-y are linked after core-y
181	drivers-$(CONFIG_MATH_EMULATION) += arch/x86/math-emu/
182	drivers-$(CONFIG_PCI) += arch/x86/pci/
183
184	# must be linked after kernel/
185	drivers-$(CONFIG_OPROFILE) += arch/x86/oprofile/
186
187	ifeq ($(CONFIG_X86_32),y)
188	drivers-$(CONFIG_PM) += arch/x86/power/
189	drivers-$(CONFIG_FB) += arch/x86/video/
74b469f2	190	endif
0a6ef376 SR	191
	192	####
	193	# boot loader support. Several targets are kept for legacy purposes
	194
	195	boot := arch/x86/boot
	196
	197	PHONY += zImage bzImage compressed zlilo bzlilo \
	198	zdisk bzdisk fdimage fdimage144 fdimage288 isoimage install
	199
	200	# Default kernel to build
	201	all: bzImage
	202
	203	# KBUILD_IMAGE specify target image being built
	204	KBUILD_IMAGE := $(boot)/bzImage
	205	zImage zlilo zdisk: KBUILD_IMAGE := arch/x86/boot/zImage
	206
	207	zImage bzImage: vmlinux
	208	$(Q)$(MAKE) $(build)=$(boot) $(KBUILD_IMAGE)
	209	$(Q)mkdir -p $(objtree)/arch/$(UTS_MACHINE)/boot
	210	$(Q)ln -fsn ../../x86/boot/bzImage $(objtree)/arch/$(UTS_MACHINE)/boot/bzImage
	211
	212	compressed: zImage
	213
	214	zlilo bzlilo: vmlinux
	215	$(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(KBUILD_IMAGE) zlilo
	216
	217	zdisk bzdisk: vmlinux
	218	$(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(KBUILD_IMAGE) zdisk
	219
	220	fdimage fdimage144 fdimage288 isoimage: vmlinux
	221	$(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(KBUILD_IMAGE) $@
	222
	223	install: vdso_install
	224	$(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(KBUILD_IMAGE) install
	225
	226	PHONY += vdso_install
	227	vdso_install:
	228	$(Q)$(MAKE) $(build)=arch/x86/vdso $@
	229
	230	archclean:
	231	$(Q)rm -rf $(objtree)/arch/i386
	232	$(Q)rm -rf $(objtree)/arch/x86_64
	233	$(Q)$(MAKE) $(clean)=$(boot)
	234
	235	define archhelp
	236	echo '* bzImage - Compressed kernel image (arch/x86/boot/bzImage)'
	237	echo ' install - Install kernel using'
	238	echo ' (your) ~/bin/installkernel or'
	239	echo ' (distribution) /sbin/installkernel or'
	240	echo ' install to $$(INSTALL_PATH) and run lilo'
	241	echo ' bzdisk - Create a boot floppy in /dev/fd0'
	242	echo ' fdimage - Create a boot floppy image'
	243	echo ' isoimage - Create a boot CD-ROM image'
	244	endef
	245
	246	CLEAN_FILES += arch/x86/boot/fdimage \
	247	arch/x86/boot/image.iso \
	248	arch/x86/boot/mtools.conf