[linux-block.git] / arch / i386 / Makefile

#
# i386/Makefile
#
# This file is included by the global makefile so that you can add your own
# architecture-specific flags and dependencies. Remember to do have actions
# for "archclean" cleaning up for this architecture.
#
# This file is subject to the terms and conditions of the GNU General Public
# License.  See the file "COPYING" in the main directory of this archive
# for more details.
#
# Copyright (C) 1994 by Linus Torvalds
#
# 19990713  Artur Skawina <skawina@geocities.com>
#           Added '-march' and '-mpreferred-stack-boundary' support
#
# 20050320  Kianusch Sayah Karadji <kianusch@sk-tech.net>
#           Added support for GEODE CPU

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

LDFLAGS		:= -m elf_i386
OBJCOPYFLAGS	:= -O binary -R .note -R .comment -S
LDFLAGS_vmlinux :=
CHECKFLAGS	+= -D__i386__

CFLAGS += -pipe -msoft-float

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

align := $(cc-option-align)
cflags-$(CONFIG_M386)		+= -march=i386
cflags-$(CONFIG_M486)		+= -march=i486
cflags-$(CONFIG_M586)		+= -march=i586
cflags-$(CONFIG_M586TSC)	+= -march=i586
cflags-$(CONFIG_M586MMX)	+= $(call cc-option,-march=pentium-mmx,-march=i586)
cflags-$(CONFIG_M686)		+= -march=i686
cflags-$(CONFIG_MPENTIUMII)	+= -march=i686 $(call cc-option,-mtune=pentium2)
cflags-$(CONFIG_MPENTIUMIII)	+= -march=i686 $(call cc-option,-mtune=pentium3)
cflags-$(CONFIG_MPENTIUMM)	+= -march=i686 $(call cc-option,-mtune=pentium3)
cflags-$(CONFIG_MPENTIUM4)	+= -march=i686 $(call cc-option,-mtune=pentium4)
cflags-$(CONFIG_MK6)		+= -march=k6
# Please note, that patches that add -march=athlon-xp and friends are pointless.
# They make zero difference whatsosever to performance at this time.
cflags-$(CONFIG_MK7)		+= $(call cc-option,-march=athlon,-march=i686 $(align)-functions=4)
cflags-$(CONFIG_MK8)		+= $(call cc-option,-march=k8,$(call cc-option,-march=athlon,-march=i686 $(align)-functions=4))
cflags-$(CONFIG_MCRUSOE)	+= -march=i686 $(align)-functions=0 $(align)-jumps=0 $(align)-loops=0
cflags-$(CONFIG_MEFFICEON)	+= -march=i686 $(call cc-option,-mtune=pentium3) $(align)-functions=0 $(align)-jumps=0 $(align)-loops=0
cflags-$(CONFIG_MWINCHIPC6)	+= $(call cc-option,-march=winchip-c6,-march=i586)
cflags-$(CONFIG_MWINCHIP2)	+= $(call cc-option,-march=winchip2,-march=i586)
cflags-$(CONFIG_MWINCHIP3D)	+= $(call cc-option,-march=winchip2,-march=i586)
cflags-$(CONFIG_MCYRIXIII)	+= $(call cc-option,-march=c3,-march=i486) $(align)-functions=0 $(align)-jumps=0 $(align)-loops=0
cflags-$(CONFIG_MVIAC3_2)	+= $(call cc-option,-march=c3-2,-march=i686)

# AMD Elan support
cflags-$(CONFIG_X86_ELAN)	+= -march=i486

# Geode GX1 support
cflags-$(CONFIG_MGEODEGX1)		+= $(call cc-option,-march=pentium-mmx,-march=i486)

# -mregparm=3 works ok on gcc-3.0 and later
#
GCC_VERSION			:= $(call cc-version)
cflags-$(CONFIG_REGPARM) 	+= $(shell if [ $(GCC_VERSION) -ge 0300 ] ; then echo "-mregparm=3"; fi ;)

# Disable unit-at-a-time mode, it makes gcc use a lot more stack
# due to the lack of sharing of stacklots.
CFLAGS += $(call cc-option,-fno-unit-at-a-time)

CFLAGS += $(cflags-y)

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

# Voyager subarch support
mflags-$(CONFIG_X86_VOYAGER)	:= -Iinclude/asm-i386/mach-voyager
mcore-$(CONFIG_X86_VOYAGER)	:= mach-voyager

# VISWS subarch support
mflags-$(CONFIG_X86_VISWS)	:= -Iinclude/asm-i386/mach-visws
mcore-$(CONFIG_X86_VISWS)	:= mach-visws

# NUMAQ subarch support
mflags-$(CONFIG_X86_NUMAQ)	:= -Iinclude/asm-i386/mach-numaq
mcore-$(CONFIG_X86_NUMAQ)	:= mach-default

# BIGSMP subarch support
mflags-$(CONFIG_X86_BIGSMP)	:= -Iinclude/asm-i386/mach-bigsmp
mcore-$(CONFIG_X86_BIGSMP)	:= mach-default

#Summit subarch support
mflags-$(CONFIG_X86_SUMMIT) := -Iinclude/asm-i386/mach-summit
mcore-$(CONFIG_X86_SUMMIT)  := mach-default

# generic subarchitecture
mflags-$(CONFIG_X86_GENERICARCH) := -Iinclude/asm-i386/mach-generic
mcore-$(CONFIG_X86_GENERICARCH) := mach-default
core-$(CONFIG_X86_GENERICARCH) += arch/i386/mach-generic/

# ES7000 subarch support
mflags-$(CONFIG_X86_ES7000)	:= -Iinclude/asm-i386/mach-es7000
mcore-$(CONFIG_X86_ES7000)	:= mach-default
core-$(CONFIG_X86_ES7000)	:= arch/i386/mach-es7000/

# default subarch .h files
mflags-y += -Iinclude/asm-i386/mach-default

head-y := arch/i386/kernel/head.o arch/i386/kernel/init_task.o

libs-y 					+= arch/i386/lib/
core-y					+= arch/i386/kernel/ \
					   arch/i386/mm/ \
					   arch/i386/$(mcore-y)/ \
					   arch/i386/crypto/
drivers-$(CONFIG_MATH_EMULATION)	+= arch/i386/math-emu/
drivers-$(CONFIG_PCI)			+= arch/i386/pci/
# must be linked after kernel/
drivers-$(CONFIG_OPROFILE)		+= arch/i386/oprofile/
drivers-$(CONFIG_PM)			+= arch/i386/power/

CFLAGS += $(mflags-y)
AFLAGS += $(mflags-y)

boot := arch/i386/boot

.PHONY: zImage bzImage compressed zlilo bzlilo \
	zdisk bzdisk fdimage fdimage144 fdimage288 install kernel_install

all: bzImage

# KBUILD_IMAGE specify target image being built
                    KBUILD_IMAGE := $(boot)/bzImage
zImage zlilo zdisk: KBUILD_IMAGE := arch/i386/boot/zImage

zImage bzImage: vmlinux
	$(Q)$(MAKE) $(build)=$(boot) $(KBUILD_IMAGE)

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

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

prepare: include/asm-$(ARCH)/asm_offsets.h
CLEAN_FILES += include/asm-$(ARCH)/asm_offsets.h

arch/$(ARCH)/kernel/asm-offsets.s: include/asm include/linux/version.h \
				   include/config/MARKER

include/asm-$(ARCH)/asm_offsets.h: arch/$(ARCH)/kernel/asm-offsets.s
	$(call filechk,gen-asm-offsets)

archclean:
	$(Q)$(MAKE) $(clean)=arch/i386/boot

define archhelp
  echo  '* bzImage	- Compressed kernel image (arch/$(ARCH)/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'
endef

CLEAN_FILES += arch/$(ARCH)/boot/fdimage arch/$(ARCH)/boot/mtools.conf
Commit	Line	Data
1da177e4 LT	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	#
47137419	17	# 20050320 Kianusch Sayah Karadji <kianusch@sk-tech.net>
1da177e4 LT	18	# Added support for GEODE CPU
1da177e4 LT	19
d0e7feb0 PA	20	HAS_BIARCH := $(call cc-option-yn, -m32)
	21	ifeq ($(HAS_BIARCH),y)
	22	AS := $(AS) --32
	23	LD := $(LD) -m elf_i386
	24	CC := $(CC) -m32
	25	endif
	26
1da177e4 LT	27	LDFLAGS := -m elf_i386
	28	OBJCOPYFLAGS := -O binary -R .note -R .comment -S
	29	LDFLAGS_vmlinux :=
	30	CHECKFLAGS += -D__i386__
	31
	32	CFLAGS += -pipe -msoft-float
	33
	34	# prevent gcc from keeping the stack 16 byte aligned
	35	CFLAGS += $(call cc-option,-mpreferred-stack-boundary=2)
	36
	37	align := $(cc-option-align)
	38	cflags-$(CONFIG_M386) += -march=i386
	39	cflags-$(CONFIG_M486) += -march=i486
	40	cflags-$(CONFIG_M586) += -march=i586
	41	cflags-$(CONFIG_M586TSC) += -march=i586
	42	cflags-$(CONFIG_M586MMX) += $(call cc-option,-march=pentium-mmx,-march=i586)
	43	cflags-$(CONFIG_M686) += -march=i686
	44	cflags-$(CONFIG_MPENTIUMII) += -march=i686 $(call cc-option,-mtune=pentium2)
	45	cflags-$(CONFIG_MPENTIUMIII) += -march=i686 $(call cc-option,-mtune=pentium3)
	46	cflags-$(CONFIG_MPENTIUMM) += -march=i686 $(call cc-option,-mtune=pentium3)
	47	cflags-$(CONFIG_MPENTIUM4) += -march=i686 $(call cc-option,-mtune=pentium4)
	48	cflags-$(CONFIG_MK6) += -march=k6
	49	# Please note, that patches that add -march=athlon-xp and friends are pointless.
	50	# They make zero difference whatsosever to performance at this time.
	51	cflags-$(CONFIG_MK7) += $(call cc-option,-march=athlon,-march=i686 $(align)-functions=4)
	52	cflags-$(CONFIG_MK8) += $(call cc-option,-march=k8,$(call cc-option,-march=athlon,-march=i686 $(align)-functions=4))
	53	cflags-$(CONFIG_MCRUSOE) += -march=i686 $(align)-functions=0 $(align)-jumps=0 $(align)-loops=0
	54	cflags-$(CONFIG_MEFFICEON) += -march=i686 $(call cc-option,-mtune=pentium3) $(align)-functions=0 $(align)-jumps=0 $(align)-loops=0
	55	cflags-$(CONFIG_MWINCHIPC6) += $(call cc-option,-march=winchip-c6,-march=i586)
	56	cflags-$(CONFIG_MWINCHIP2) += $(call cc-option,-march=winchip2,-march=i586)
	57	cflags-$(CONFIG_MWINCHIP3D) += $(call cc-option,-march=winchip2,-march=i586)
	58	cflags-$(CONFIG_MCYRIXIII) += $(call cc-option,-march=c3,-march=i486) $(align)-functions=0 $(align)-jumps=0 $(align)-loops=0
	59	cflags-$(CONFIG_MVIAC3_2) += $(call cc-option,-march=c3-2,-march=i686)
	60
	61	# AMD Elan support
	62	cflags-$(CONFIG_X86_ELAN) += -march=i486
	63
47137419 KSK	64	# Geode GX1 support
47137419 KSK	65	cflags-$(CONFIG_MGEODEGX1) += $(call cc-option,-march=pentium-mmx,-march=i486)
1da177e4 LT	66
	67	# -mregparm=3 works ok on gcc-3.0 and later
	68	#
	69	GCC_VERSION := $(call cc-version)
	70	cflags-$(CONFIG_REGPARM) += $(shell if [ $(GCC_VERSION) -ge 0300 ] ; then echo "-mregparm=3"; fi ;)
	71
	72	# Disable unit-at-a-time mode, it makes gcc use a lot more stack
	73	# due to the lack of sharing of stacklots.
	74	CFLAGS += $(call cc-option,-fno-unit-at-a-time)
	75
	76	CFLAGS += $(cflags-y)
	77
	78	# Default subarch .c files
	79	mcore-y := mach-default
	80
	81	# Voyager subarch support
	82	mflags-$(CONFIG_X86_VOYAGER) := -Iinclude/asm-i386/mach-voyager
	83	mcore-$(CONFIG_X86_VOYAGER) := mach-voyager
	84
	85	# VISWS subarch support
	86	mflags-$(CONFIG_X86_VISWS) := -Iinclude/asm-i386/mach-visws
	87	mcore-$(CONFIG_X86_VISWS) := mach-visws
	88
	89	# NUMAQ subarch support
	90	mflags-$(CONFIG_X86_NUMAQ) := -Iinclude/asm-i386/mach-numaq
	91	mcore-$(CONFIG_X86_NUMAQ) := mach-default
	92
	93	# BIGSMP subarch support
	94	mflags-$(CONFIG_X86_BIGSMP) := -Iinclude/asm-i386/mach-bigsmp
	95	mcore-$(CONFIG_X86_BIGSMP) := mach-default
	96
	97	#Summit subarch support
	98	mflags-$(CONFIG_X86_SUMMIT) := -Iinclude/asm-i386/mach-summit
	99	mcore-$(CONFIG_X86_SUMMIT) := mach-default
	100
	101	# generic subarchitecture
	102	mflags-$(CONFIG_X86_GENERICARCH) := -Iinclude/asm-i386/mach-generic
	103	mcore-$(CONFIG_X86_GENERICARCH) := mach-default
	104	core-$(CONFIG_X86_GENERICARCH) += arch/i386/mach-generic/
	105
	106	# ES7000 subarch support
	107	mflags-$(CONFIG_X86_ES7000) := -Iinclude/asm-i386/mach-es7000
	108	mcore-$(CONFIG_X86_ES7000) := mach-default
	109	core-$(CONFIG_X86_ES7000) := arch/i386/mach-es7000/
	110
	111	# default subarch .h files
	112	mflags-y += -Iinclude/asm-i386/mach-default
	113
	114	head-y := arch/i386/kernel/head.o arch/i386/kernel/init_task.o
	115
	116	libs-y += arch/i386/lib/
	117	core-y += arch/i386/kernel/ \
	118	arch/i386/mm/ \
	119	arch/i386/$(mcore-y)/ \
	120	arch/i386/crypto/
	121	drivers-$(CONFIG_MATH_EMULATION) += arch/i386/math-emu/
	122	drivers-$(CONFIG_PCI) += arch/i386/pci/
	123	# must be linked after kernel/
	124	drivers-$(CONFIG_OPROFILE) += arch/i386/oprofile/
	125	drivers-$(CONFIG_PM) += arch/i386/power/
	126
	127	CFLAGS += $(mflags-y)
	128	AFLAGS += $(mflags-y)
	129
130	boot := arch/i386/boot
131
132	.PHONY: zImage bzImage compressed zlilo bzlilo \
2cacb3da	133	zdisk bzdisk fdimage fdimage144 fdimage288 install kernel_install
1da177e4 LT	134
	135	all: bzImage
	136
	137	# KBUILD_IMAGE specify target image being built
	138	KBUILD_IMAGE := $(boot)/bzImage
	139	zImage zlilo zdisk: KBUILD_IMAGE := arch/i386/boot/zImage
	140
	141	zImage bzImage: vmlinux
	142	$(Q)$(MAKE) $(build)=$(boot) $(KBUILD_IMAGE)
	143
	144	compressed: zImage
	145
	146	zlilo bzlilo: vmlinux
	147	$(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(KBUILD_IMAGE) zlilo
	148
	149	zdisk bzdisk: vmlinux
	150	$(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(KBUILD_IMAGE) zdisk
	151
	152	fdimage fdimage144 fdimage288: vmlinux
	153	$(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(KBUILD_IMAGE) $@
	154
2cacb3da SR	155	install: vmlinux
	156	install kernel_install:
	157	$(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(KBUILD_IMAGE) install
1da177e4 LT	158
	159	prepare: include/asm-$(ARCH)/asm_offsets.h
	160	CLEAN_FILES += include/asm-$(ARCH)/asm_offsets.h
	161
	162	arch/$(ARCH)/kernel/asm-offsets.s: include/asm include/linux/version.h \
	163	include/config/MARKER
	164
	165	include/asm-$(ARCH)/asm_offsets.h: arch/$(ARCH)/kernel/asm-offsets.s
	166	$(call filechk,gen-asm-offsets)
	167
	168	archclean:
	169	$(Q)$(MAKE) $(clean)=arch/i386/boot
	170
	171	define archhelp
	172	echo '* bzImage - Compressed kernel image (arch/$(ARCH)/boot/bzImage)'
	173	echo ' install - Install kernel using'
	174	echo ' (your) ~/bin/installkernel or'
	175	echo ' (distribution) /sbin/installkernel or'
	176	echo ' install to $$(INSTALL_PATH) and run lilo'
	177	echo ' bzdisk - Create a boot floppy in /dev/fd0'
	178	echo ' fdimage - Create a boot floppy image'
	179	endef
	180
	181	CLEAN_FILES += arch/$(ARCH)/boot/fdimage arch/$(ARCH)/boot/mtools.conf