[mirror_ubuntu-jammy-kernel.git] / arch / x86 / Makefile

# Unified Makefile for i386 and x86_64

# select defconfig based on actual architecture
ifeq ($(ARCH),x86)
  ifeq ($(shell uname -m),x86_64)
        KBUILD_DEFCONFIG := x86_64_defconfig
  else
        KBUILD_DEFCONFIG := i386_defconfig
  endif
else
        KBUILD_DEFCONFIG := $(ARCH)_defconfig
endif

# How to compile the 16-bit code.  Note we always compile for -march=i386;
# that way we can complain to the user if the CPU is insufficient.
#
# The -m16 option is supported by GCC >= 4.9 and clang >= 3.5. For
# older versions of GCC, we need to play evil and unreliable tricks to
# attempt to ensure that our asm(".code16gcc") is first in the asm
# output.
CODE16GCC_CFLAGS := -m32 -include $(srctree)/arch/x86/boot/code16gcc.h \
		    $(call cc-option, -fno-toplevel-reorder,\
		      $(call cc-option, -fno-unit-at-a-time))
M16_CFLAGS	 := $(call cc-option, -m16, $(CODE16GCC_CFLAGS))

REALMODE_CFLAGS	:= $(M16_CFLAGS) -g -Os -D__KERNEL__ \
		   -DDISABLE_BRANCH_PROFILING \
		   -Wall -Wstrict-prototypes -march=i386 -mregparm=3 \
		   -fno-strict-aliasing -fomit-frame-pointer -fno-pic \
		   -mno-mmx -mno-sse \
		   $(call cc-option, -ffreestanding) \
		   $(call cc-option, -fno-stack-protector) \
		   $(call cc-option, -mpreferred-stack-boundary=2)
export REALMODE_CFLAGS

# 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

ifdef CONFIG_X86_NEED_RELOCS
        LDFLAGS_vmlinux := --emit-relocs
endif

ifeq ($(CONFIG_X86_32),y)
        BITS := 32
        UTS_MACHINE := i386
        CHECKFLAGS += -D__i386__

        biarch := $(call cc-option,-m32)
        KBUILD_AFLAGS += $(biarch)
        KBUILD_CFLAGS += $(biarch)

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

        # Don't autogenerate MMX or SSE instructions
        KBUILD_CFLAGS += -mno-mmx -mno-sse

        # Never want PIC in a 32-bit kernel, prevent breakage with GCC built
        # with nonstandard options
        KBUILD_CFLAGS += -fno-pic

        # 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 += $(call cc-ifversion, -lt, 0400, \
				$(call cc-option,-fno-unit-at-a-time))

        # 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

        # Don't autogenerate traditional x87, MMX or SSE instructions
        KBUILD_CFLAGS += -mno-mmx -mno-sse -mno-80387 -mno-fp-ret-in-387

	# Use -mpreferred-stack-boundary=3 if supported.
	KBUILD_CFLAGS += $(call cc-option,-mpreferred-stack-boundary=3)

        # 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_MATOM) += $(call cc-option,-march=atom) \
		$(call cc-option,-mtune=atom,$(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

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

        # this works around some issues with generating unwind tables in older gccs
        # newer gccs do it by default
        KBUILD_CFLAGS += -maccumulate-outgoing-args
endif

# Make sure compiler does not have buggy stack-protector support.
ifdef CONFIG_CC_STACKPROTECTOR
	cc_has_sp := $(srctree)/scripts/gcc-x86_$(BITS)-has-stack-protector.sh
        ifneq ($(shell $(CONFIG_SHELL) $(cc_has_sp) $(CC) $(KBUILD_CPPFLAGS) $(biarch)),y)
                $(warning stack-protector enabled but compiler support broken)
        endif
endif

ifdef CONFIG_X86_X32
	x32_ld_ok := $(call try-run,\
			/bin/echo -e '1: .quad 1b' | \
			$(CC) $(KBUILD_AFLAGS) -c -x assembler -o "$$TMP" - && \
			$(OBJCOPY) -O elf32-x86-64 "$$TMP" "$$TMPO" && \
			$(LD) -m elf32_x86_64 "$$TMPO" -o "$$TMP",y,n)
        ifeq ($(x32_ld_ok),y)
                CONFIG_X86_X32_ABI := y
                KBUILD_AFLAGS += -DCONFIG_X86_X32_ABI
                KBUILD_CFLAGS += -DCONFIG_X86_X32_ABI
        else
                $(warning CONFIG_X86_X32 enabled but no binutils support)
        endif
endif
export CONFIG_X86_X32_ABI

# Don't unroll struct assignments with kmemcheck enabled
ifeq ($(CONFIG_KMEMCHECK),y)
	KBUILD_CFLAGS += $(call cc-option,-fno-builtin-memcpy)
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)
cfi-sections := $(call as-instr,.cfi_sections .debug_frame,-DCONFIG_AS_CFI_SECTIONS=1)

# does binutils support specific instructions?
asinstr := $(call as-instr,fxsaveq (%rax),-DCONFIG_AS_FXSAVEQ=1)
asinstr += $(call as-instr,crc32l %eax$(comma)%eax,-DCONFIG_AS_CRC32=1)
avx_instr := $(call as-instr,vxorps %ymm0$(comma)%ymm1$(comma)%ymm2,-DCONFIG_AS_AVX=1)
avx2_instr :=$(call as-instr,vpbroadcastb %xmm0$(comma)%ymm1,-DCONFIG_AS_AVX2=1)

KBUILD_AFLAGS += $(cfi) $(cfi-sigframe) $(cfi-sections) $(asinstr) $(avx_instr) $(avx2_instr)
KBUILD_CFLAGS += $(cfi) $(cfi-sigframe) $(cfi-sections) $(asinstr) $(avx_instr) $(avx2_instr)

LDFLAGS := -m elf_$(UTS_MACHINE)

# Speed up the build
KBUILD_CFLAGS += -pipe
# Workaround for a gcc prelease that unfortunately was shipped in a suse release
KBUILD_CFLAGS += -Wno-sign-compare
#
KBUILD_CFLAGS += -fno-asynchronous-unwind-tables
# prevent gcc from generating any FP code by mistake
KBUILD_CFLAGS += $(call cc-option,-mno-sse -mno-mmx -mno-sse2 -mno-3dnow,)
KBUILD_CFLAGS += $(call cc-option,-mno-avx,)

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

archscripts: scripts_basic
	$(Q)$(MAKE) $(build)=arch/x86/tools relocs

###
# Syscall table generation

archheaders:
	$(Q)$(MAKE) $(build)=arch/x86/syscalls all

###
# Kernel objects

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

libs-y  += arch/x86/lib/

# See arch/x86/Kbuild for content of core part of the kernel
core-y += arch/x86/

# 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/

# suspend and hibernation support
drivers-$(CONFIG_PM) += arch/x86/power/

drivers-$(CONFIG_FB) += arch/x86/video/

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

boot := arch/x86/boot

BOOT_TARGETS = bzlilo bzdisk fdimage fdimage144 fdimage288 isoimage

PHONY += bzImage $(BOOT_TARGETS)

# Default kernel to build
all: bzImage

# KBUILD_IMAGE specify target image being built
KBUILD_IMAGE := $(boot)/bzImage

bzImage: vmlinux
ifeq ($(CONFIG_X86_DECODER_SELFTEST),y)
	$(Q)$(MAKE) $(build)=arch/x86/tools posttest
endif
	$(Q)$(MAKE) $(build)=$(boot) $(KBUILD_IMAGE)
	$(Q)mkdir -p $(objtree)/arch/$(UTS_MACHINE)/boot
	$(Q)ln -fsn ../../x86/boot/bzImage $(objtree)/arch/$(UTS_MACHINE)/boot/$@

$(BOOT_TARGETS): vmlinux
	$(Q)$(MAKE) $(build)=$(boot) $@

PHONY += install
install:
	$(Q)$(MAKE) $(build)=$(boot) $@

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)
	$(Q)$(MAKE) $(clean)=arch/x86/tools

PHONY += kvmconfig
kvmconfig:
	$(if $(wildcard $(objtree)/.config),, $(error You need an existing .config for this target))
	$(Q)$(CONFIG_SHELL) $(srctree)/scripts/kconfig/merge_config.sh -m -O $(objtree) $(objtree)/.config arch/x86/configs/kvm_guest.config
	$(Q)yes "" | $(MAKE) oldconfig

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  '  fdimage      - Create 1.4MB boot floppy image (arch/x86/boot/fdimage)'
  echo  '  fdimage144   - Create 1.4MB boot floppy image (arch/x86/boot/fdimage)'
  echo  '  fdimage288   - Create 2.8MB boot floppy image (arch/x86/boot/fdimage)'
  echo  '  isoimage     - Create a boot CD-ROM image (arch/x86/boot/image.iso)'
  echo  '                  bzdisk/fdimage*/isoimage also accept:'
  echo  '                  FDARGS="..."  arguments for the booted kernel'
  echo  '                  FDINITRD=file initrd for the booted kernel'
  echo  '  kvmconfig	- Enable additional options for guest kernel support'
endef
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	4	ifeq ($(ARCH),x86)
ffee0de4 DW	5	ifeq ($(shell uname -m),x86_64)
	6	KBUILD_DEFCONFIG := x86_64_defconfig
	7	else
d746d647	8	KBUILD_DEFCONFIG := i386_defconfig
ffee0de4	9	endif
d746d647 SR	10	else
	11	KBUILD_DEFCONFIG := $(ARCH)_defconfig
	12	endif
2266cfd5	13
1c678da3 DW	14	# How to compile the 16-bit code. Note we always compile for -march=i386;
1c678da3 DW	15	# that way we can complain to the user if the CPU is insufficient.
de3accda DW	16	#
	17	# The -m16 option is supported by GCC >= 4.9 and clang >= 3.5. For
	18	# older versions of GCC, we need to play evil and unreliable tricks to
	19	# attempt to ensure that our asm(".code16gcc") is first in the asm
	20	# output.
	21	CODE16GCC_CFLAGS := -m32 -include $(srctree)/arch/x86/boot/code16gcc.h \
	22	$(call cc-option, -fno-toplevel-reorder,\
	23	$(call cc-option, -fno-unit-at-a-time))
	24	M16_CFLAGS := $(call cc-option, -m16, $(CODE16GCC_CFLAGS))
	25
	26	REALMODE_CFLAGS := $(M16_CFLAGS) -g -Os -D__KERNEL__ \
	27	-DDISABLE_BRANCH_PROFILING \
1c678da3	28	-Wall -Wstrict-prototypes -march=i386 -mregparm=3 \
1c678da3 DW	29	-fno-strict-aliasing -fomit-frame-pointer -fno-pic \
	30	-mno-mmx -mno-sse \
	31	$(call cc-option, -ffreestanding) \
1c678da3 DW	32	$(call cc-option, -fno-stack-protector) \
	33	$(call cc-option, -mpreferred-stack-boundary=2)
	34	export REALMODE_CFLAGS
	35
0a6ef376 SR	36	# BITS is used as extension for files which are available in a 32 bit
	37	# and a 64 bit version to simplify shared Makefiles.
	38	# e.g.: obj-y += foo_$(BITS).o
	39	export BITS
74b469f2	40
a0215061 KC	41	ifdef CONFIG_X86_NEED_RELOCS
	42	LDFLAGS_vmlinux := --emit-relocs
	43	endif
	44
d746d647	45	ifeq ($(CONFIG_X86_32),y)
0a6ef376	46	BITS := 32
8c6531f7	47	UTS_MACHINE := i386
4ba7e5cd	48	CHECKFLAGS += -D__i386__
0a6ef376	49
4ba7e5cd SR	50	biarch := $(call cc-option,-m32)
	51	KBUILD_AFLAGS += $(biarch)
	52	KBUILD_CFLAGS += $(biarch)
0a6ef376	53
0a6ef376 SR	54	KBUILD_CFLAGS += -msoft-float -mregparm=3 -freg-struct-return
0a6ef376 SR	55
8b3b005d PA	56	# Don't autogenerate MMX or SSE instructions
8b3b005d PA	57	KBUILD_CFLAGS += -mno-mmx -mno-sse
5551a34e	58
484d90ee AB	59	# Never want PIC in a 32-bit kernel, prevent breakage with GCC built
	60	# with nonstandard options
	61	KBUILD_CFLAGS += -fno-pic
	62
0a6ef376 SR	63	# prevent gcc from keeping the stack 16 byte aligned
	64	KBUILD_CFLAGS += $(call cc-option,-mpreferred-stack-boundary=2)
	65
	66	# Disable unit-at-a-time mode on pre-gcc-4.0 compilers, it makes gcc use
	67	# a lot more stack due to the lack of sharing of stacklots:
c7bd0414 FP	68	KBUILD_CFLAGS += $(call cc-ifversion, -lt, 0400, \
c7bd0414 FP	69	$(call cc-option,-fno-unit-at-a-time))
0a6ef376 SR	70
	71	# CPU-specific tuning. Anything which can be shared with UML should go here.
	72	include $(srctree)/arch/x86/Makefile_32.cpu
	73	KBUILD_CFLAGS += $(cflags-y)
	74
	75	# temporary until string.h is fixed
	76	KBUILD_CFLAGS += -ffreestanding
74b469f2	77	else
0a6ef376	78	BITS := 64
8c6531f7	79	UTS_MACHINE := x86_64
0a6ef376 SR	80	CHECKFLAGS += -D__x86_64__ -m64
	81
	82	KBUILD_AFLAGS += -m64
	83	KBUILD_CFLAGS += -m64
	84
b399fe35 BP	85	# Don't autogenerate traditional x87, MMX or SSE instructions
b399fe35 BP	86	KBUILD_CFLAGS += -mno-mmx -mno-sse -mno-80387 -mno-fp-ret-in-387
5551a34e	87
d9b0cde9	88	# Use -mpreferred-stack-boundary=3 if supported.
5551a34e	89	KBUILD_CFLAGS += $(call cc-option,-mpreferred-stack-boundary=3)
d9b0cde9	90
0a6ef376 SR	91	# FIXME - should be integrated in Makefile.cpu (Makefile_32.cpu)
	92	cflags-$(CONFIG_MK8) += $(call cc-option,-march=k8)
	93	cflags-$(CONFIG_MPSC) += $(call cc-option,-march=nocona)
	94
	95	cflags-$(CONFIG_MCORE2) += \
	96	$(call cc-option,-march=core2,$(call cc-option,-mtune=generic))
366d19e1 TD	97	cflags-$(CONFIG_MATOM) += $(call cc-option,-march=atom) \
366d19e1 TD	98	$(call cc-option,-mtune=atom,$(call cc-option,-mtune=generic))
0a6ef376 SR	99	cflags-$(CONFIG_GENERIC_CPU) += $(call cc-option,-mtune=generic)
	100	KBUILD_CFLAGS += $(cflags-y)
	101
	102	KBUILD_CFLAGS += -mno-red-zone
	103	KBUILD_CFLAGS += -mcmodel=kernel
	104
0a6ef376 SR	105	# -funit-at-a-time shrinks the kernel .text considerably
	106	# unfortunately it makes reading oopses harder.
	107	KBUILD_CFLAGS += $(call cc-option,-funit-at-a-time)
	108
0a6ef376 SR	109	# this works around some issues with generating unwind tables in older gccs
	110	# newer gccs do it by default
	111	KBUILD_CFLAGS += -maccumulate-outgoing-args
5d707e9c	112	endif
0a6ef376	113
19952a92	114	# Make sure compiler does not have buggy stack-protector support.
5d707e9c TH	115	ifdef CONFIG_CC_STACKPROTECTOR
5d707e9c TH	116	cc_has_sp := $(srctree)/scripts/gcc-x86_$(BITS)-has-stack-protector.sh
19952a92 KC	117	ifneq ($(shell $(CONFIG_SHELL) $(cc_has_sp) $(CC) $(KBUILD_CPPFLAGS) $(biarch)),y)
19952a92 KC	118	$(warning stack-protector enabled but compiler support broken)
5d707e9c	119	endif
0a6ef376 SR	120	endif
0a6ef376 SR	121
0bf62763 PA	122	ifdef CONFIG_X86_X32
	123	x32_ld_ok := $(call try-run,\
	124	/bin/echo -e '1: .quad 1b' \| \
b1e0d8b7	125	$(CC) $(KBUILD_AFLAGS) -c -x assembler -o "$$TMP" - && \
0bf62763 PA	126	$(OBJCOPY) -O elf32-x86-64 "$$TMP" "$$TMPO" && \
0bf62763 PA	127	$(LD) -m elf32_x86_64 "$$TMPO" -o "$$TMP",y,n)
8bd69c2d IM	128	ifeq ($(x32_ld_ok),y)
	129	CONFIG_X86_X32_ABI := y
	130	KBUILD_AFLAGS += -DCONFIG_X86_X32_ABI
	131	KBUILD_CFLAGS += -DCONFIG_X86_X32_ABI
	132	else
	133	$(warning CONFIG_X86_X32 enabled but no binutils support)
	134	endif
0bf62763 PA	135	endif
	136	export CONFIG_X86_X32_ABI
	137
dfec072e VN	138	# Don't unroll struct assignments with kmemcheck enabled
	139	ifeq ($(CONFIG_KMEMCHECK),y)
	140	KBUILD_CFLAGS += $(call cc-option,-fno-builtin-memcpy)
	141	endif
	142
0a6ef376 SR	143	# Stackpointer is addressed different for 32 bit and 64 bit x86
	144	sp-$(CONFIG_X86_32) := esp
	145	sp-$(CONFIG_X86_64) := rsp
	146
	147	# do binutils support CFI?
	148	cfi := $(call as-instr,.cfi_startproc\n.cfi_rel_offset $(sp-y)$(comma)0\n.cfi_endproc,-DCONFIG_AS_CFI=1)
	149	# is .cfi_signal_frame supported too?
	150	cfi-sigframe := $(call as-instr,.cfi_startproc\n.cfi_signal_frame\n.cfi_endproc,-DCONFIG_AS_CFI_SIGNAL_FRAME=1)
9e565292	151	cfi-sections := $(call as-instr,.cfi_sections .debug_frame,-DCONFIG_AS_CFI_SECTIONS=1)
d7acb92f PA	152
	153	# does binutils support specific instructions?
	154	asinstr := $(call as-instr,fxsaveq (%rax),-DCONFIG_AS_FXSAVEQ=1)
06325190	155	asinstr += $(call as-instr,crc32l %eax$(comma)%eax,-DCONFIG_AS_CRC32=1)
ea4d26ae	156	avx_instr := $(call as-instr,vxorps %ymm0$(comma)%ymm1$(comma)%ymm2,-DCONFIG_AS_AVX=1)
7056741f	157	avx2_instr :=$(call as-instr,vpbroadcastb %xmm0$(comma)%ymm1,-DCONFIG_AS_AVX2=1)
d7acb92f	158
7056741f JK	159	KBUILD_AFLAGS += $(cfi) $(cfi-sigframe) $(cfi-sections) $(asinstr) $(avx_instr) $(avx2_instr)
7056741f JK	160	KBUILD_CFLAGS += $(cfi) $(cfi-sigframe) $(cfi-sections) $(asinstr) $(avx_instr) $(avx2_instr)
0a6ef376 SR	161
0a6ef376 SR	162	LDFLAGS := -m elf_$(UTS_MACHINE)
25dfeeb7 SR	163
25dfeeb7 SR	164	# Speed up the build
0a6ef376	165	KBUILD_CFLAGS += -pipe
25dfeeb7 SR	166	# Workaround for a gcc prelease that unfortunately was shipped in a suse release
	167	KBUILD_CFLAGS += -Wno-sign-compare
	168	#
	169	KBUILD_CFLAGS += -fno-asynchronous-unwind-tables
	170	# prevent gcc from generating any FP code by mistake
	171	KBUILD_CFLAGS += $(call cc-option,-mno-sse -mno-mmx -mno-sse2 -mno-3dnow,)
c0e9afc0	172	KBUILD_CFLAGS += $(call cc-option,-mno-avx,)
0a6ef376	173
0a6ef376 SR	174	KBUILD_CFLAGS += $(mflags-y)
	175	KBUILD_AFLAGS += $(mflags-y)
	176
3ce9e53e	177	archscripts: scripts_basic
6520fe55 PA	178	$(Q)$(MAKE) $(build)=arch/x86/tools relocs
6520fe55 PA	179
303395ac PA	180	###
	181	# Syscall table generation
	182
	183	archheaders:
	184	$(Q)$(MAKE) $(build)=arch/x86/syscalls all
	185
0a6ef376 SR	186	###
	187	# Kernel objects
	188
700efc1b EB	189	head-y := arch/x86/kernel/head_$(BITS).o
700efc1b EB	190	head-y += arch/x86/kernel/head$(BITS).o
0c51a965	191	head-y += arch/x86/kernel/head.o
0a6ef376 SR	192
	193	libs-y += arch/x86/lib/
	194
d1f0ae5e SR	195	# See arch/x86/Kbuild for content of core part of the kernel
d1f0ae5e SR	196	core-y += arch/x86/
0a6ef376 SR	197
	198	# drivers-y are linked after core-y
	199	drivers-$(CONFIG_MATH_EMULATION) += arch/x86/math-emu/
	200	drivers-$(CONFIG_PCI) += arch/x86/pci/
	201
	202	# must be linked after kernel/
	203	drivers-$(CONFIG_OPROFILE) += arch/x86/oprofile/
	204
cf7700fe	205	# suspend and hibernation support
0a6ef376	206	drivers-$(CONFIG_PM) += arch/x86/power/
cf7700fe	207
0a6ef376	208	drivers-$(CONFIG_FB) += arch/x86/video/
0a6ef376 SR	209
	210	####
	211	# boot loader support. Several targets are kept for legacy purposes
	212
	213	boot := arch/x86/boot
	214
1648e4f8	215	BOOT_TARGETS = bzlilo bzdisk fdimage fdimage144 fdimage288 isoimage
f9c5107c PA	216
f9c5107c PA	217	PHONY += bzImage $(BOOT_TARGETS)
0a6ef376 SR	218
	219	# Default kernel to build
	220	all: bzImage
	221
	222	# KBUILD_IMAGE specify target image being built
f9c5107c	223	KBUILD_IMAGE := $(boot)/bzImage
0a6ef376	224
f9c5107c	225	bzImage: vmlinux
ca0e9bad MH	226	ifeq ($(CONFIG_X86_DECODER_SELFTEST),y)
	227	$(Q)$(MAKE) $(build)=arch/x86/tools posttest
	228	endif
0a6ef376 SR	229	$(Q)$(MAKE) $(build)=$(boot) $(KBUILD_IMAGE)
0a6ef376 SR	230	$(Q)mkdir -p $(objtree)/arch/$(UTS_MACHINE)/boot
41b3eae6	231	$(Q)ln -fsn ../../x86/boot/bzImage $(objtree)/arch/$(UTS_MACHINE)/boot/$@
0a6ef376	232
f9c5107c PA	233	$(BOOT_TARGETS): vmlinux
f9c5107c PA	234	$(Q)$(MAKE) $(build)=$(boot) $@
0a6ef376	235
1648e4f8 PA	236	PHONY += install
	237	install:
	238	$(Q)$(MAKE) $(build)=$(boot) $@
	239
0a6ef376 SR	240	PHONY += vdso_install
	241	vdso_install:
	242	$(Q)$(MAKE) $(build)=arch/x86/vdso $@
	243
	244	archclean:
	245	$(Q)rm -rf $(objtree)/arch/i386
	246	$(Q)rm -rf $(objtree)/arch/x86_64
	247	$(Q)$(MAKE) $(clean)=$(boot)
b2d668da	248	$(Q)$(MAKE) $(clean)=arch/x86/tools
0a6ef376	249
fc58be75	250	PHONY += kvmconfig
46ff5387 BP	251	kvmconfig:
	252	$(if $(wildcard $(objtree)/.config),, $(error You need an existing .config for this target))
	253	$(Q)$(CONFIG_SHELL) $(srctree)/scripts/kconfig/merge_config.sh -m -O $(objtree) $(objtree)/.config arch/x86/configs/kvm_guest.config
	254	$(Q)yes "" \| $(MAKE) oldconfig
	255
0a6ef376	256	define archhelp
37f30e21 AK	257	echo '* bzImage - Compressed kernel image (arch/x86/boot/bzImage)'
37f30e21 AK	258	echo ' install - Install kernel using'
caa27b66 SR	259	echo ' (your) ~/bin/$(INSTALLKERNEL) or'
caa27b66 SR	260	echo ' (distribution) /sbin/$(INSTALLKERNEL) or'
37f30e21 AK	261	echo ' install to $$(INSTALL_PATH) and run lilo'
	262	echo ' fdimage - Create 1.4MB boot floppy image (arch/x86/boot/fdimage)'
	263	echo ' fdimage144 - Create 1.4MB boot floppy image (arch/x86/boot/fdimage)'
	264	echo ' fdimage288 - Create 2.8MB boot floppy image (arch/x86/boot/fdimage)'
	265	echo ' isoimage - Create a boot CD-ROM image (arch/x86/boot/image.iso)'
	266	echo ' bzdisk/fdimage*/isoimage also accept:'
	267	echo ' FDARGS="..." arguments for the booted kernel'
	268	echo ' FDINITRD=file initrd for the booted kernel'
46ff5387	269	echo ' kvmconfig - Enable additional options for guest kernel support'
0a6ef376	270	endef