[deliverable/linux.git] / arch / ppc64 / 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" and "archdep" for cleaning up and making dependencies 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
# Changes for PPC by Gary Thomas
# Rewritten by Cort Dougan and Paul Mackerras
# Adjusted for PPC64 by Tom Gall
#

KERNELLOAD	:= 0xc000000000000000

# Set default 32 bits cross compilers for vdso and boot wrapper
CROSS32_COMPILE ?=

CROSS32CC		:= $(CROSS32_COMPILE)gcc
CROSS32AS		:= $(CROSS32_COMPILE)as
CROSS32LD		:= $(CROSS32_COMPILE)ld
CROSS32OBJCOPY		:= $(CROSS32_COMPILE)objcopy

# If we have a biarch compiler, use it for 32 bits cross compile if
# CROSS32_COMPILE wasn't explicitely defined, and add proper explicit
# target type to target compilers

HAS_BIARCH      := $(call cc-option-yn, -m64)
ifeq ($(HAS_BIARCH),y)
ifeq ($(CROSS32_COMPILE),)
CROSS32CC	:= $(CC) -m32
CROSS32AS	:= $(AS) -a32
CROSS32LD	:= $(LD) -m elf32ppc
CROSS32OBJCOPY	:= $(OBJCOPY)
endif
override AS	+= -a64
override LD	+= -m elf64ppc
override CC	+= -m64
endif

export CROSS32CC CROSS32AS CROSS32LD CROSS32OBJCOPY

new_nm := $(shell if $(NM) --help 2>&1 | grep -- '--synthetic' > /dev/null; then echo y; else echo n; fi)

ifeq ($(new_nm),y)
NM		:= $(NM) --synthetic

endif

CHECKFLAGS	+= -m64 -D__powerpc__

LDFLAGS		:= -m elf64ppc
LDFLAGS_vmlinux	:= -Bstatic -e $(KERNELLOAD) -Ttext $(KERNELLOAD)
CFLAGS		+= -msoft-float -pipe -mminimal-toc -mtraceback=none \
		   -mcall-aixdesc
# Temporary hack until we have migrated to asm-powerpc
CPPFLAGS	+= -Iinclude3

GCC_VERSION     := $(call cc-version)
GCC_BROKEN_VEC	:= $(shell if [ $(GCC_VERSION) -lt 0400 ] ; then echo "y"; fi ;)

ifeq ($(CONFIG_POWER4_ONLY),y)
ifeq ($(CONFIG_ALTIVEC),y)
ifeq ($(GCC_BROKEN_VEC),y)
	CFLAGS += $(call cc-option,-mcpu=970)
else
	CFLAGS += $(call cc-option,-mcpu=power4)
endif
else
	CFLAGS += $(call cc-option,-mcpu=power4)
endif
else
	CFLAGS += $(call cc-option,-mtune=power4)
endif

# Enable unit-at-a-time mode when possible. It shrinks the
# kernel considerably.
CFLAGS += $(call cc-option,-funit-at-a-time)

head-y := arch/ppc64/kernel/head.o

libs-y				+= arch/ppc64/lib/
core-y				+= arch/ppc64/kernel/
core-y				+= arch/ppc64/mm/
core-$(CONFIG_XMON)		+= arch/ppc64/xmon/
drivers-$(CONFIG_OPROFILE)	+= arch/ppc64/oprofile/

boot := arch/ppc64/boot

boottarget-$(CONFIG_PPC_PSERIES) := zImage zImage.initrd
boottarget-$(CONFIG_PPC_MAPLE) := zImage zImage.initrd
boottarget-$(CONFIG_PPC_ISERIES) := vmlinux.sminitrd vmlinux.initrd vmlinux.sm
boottarget-$(CONFIG_PPC_BPA) := zImage zImage.initrd
$(boottarget-y): vmlinux
	$(Q)$(MAKE) $(build)=$(boot) $(boot)/$@

bootimage-$(CONFIG_PPC_PSERIES) := $(boot)/zImage
bootimage-$(CONFIG_PPC_PMAC) := vmlinux
bootimage-$(CONFIG_PPC_MAPLE) := $(boot)/zImage
bootimage-$(CONFIG_PPC_BPA) := zImage
bootimage-$(CONFIG_PPC_ISERIES) := vmlinux
BOOTIMAGE := $(bootimage-y)
install: vmlinux
	$(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(BOOTIMAGE) $@

defaultimage-$(CONFIG_PPC_PSERIES) := zImage
defaultimage-$(CONFIG_PPC_PMAC) := vmlinux
defaultimage-$(CONFIG_PPC_MAPLE) := zImage
defaultimage-$(CONFIG_PPC_ISERIES) := vmlinux
KBUILD_IMAGE := $(defaultimage-y)
all: $(KBUILD_IMAGE)

archclean:
	$(Q)$(MAKE) $(clean)=$(boot)
	$(Q)rm -rf include3

prepare: include/asm-ppc64/offsets.h

arch/ppc64/kernel/asm-offsets.s: include/asm include/linux/version.h \
				   include/config/MARKER

include/asm-ppc64/offsets.h: arch/ppc64/kernel/asm-offsets.s
	$(call filechk,gen-asm-offsets)

# Temporary hack until we have migrated to asm-powerpc
include/asm: include3/asm
include3/asm:
	$(Q)if [ ! -d include3 ]; then mkdir -p include3; fi;
	$(Q)ln -fsn $(srctree)/include/asm-powerpc include3/asm

define archhelp
  echo  '* zImage       - Compressed kernel image (arch/$(ARCH)/boot/zImage)'
  echo  '  zImage.initrd- Compressed kernel image with initrd attached,'
  echo  '		   sourced from arch/$(ARCH)/boot/ramdisk.image.gz'
  echo  '		   (arch/$(ARCH)/boot/zImage.initrd)'
endef

CLEAN_FILES += include/asm-ppc64/offsets.h
Commit	Line	Data
1da177e4 LT	1	# This file is included by the global makefile so that you can add your own
	2	# architecture-specific flags and dependencies. Remember to do have actions
	3	# for "archclean" and "archdep" for cleaning up and making dependencies for
	4	# this architecture
	5	#
	6	# This file is subject to the terms and conditions of the GNU General Public
	7	# License. See the file "COPYING" in the main directory of this archive
	8	# for more details.
	9	#
	10	# Copyright (C) 1994 by Linus Torvalds
	11	# Changes for PPC by Gary Thomas
	12	# Rewritten by Cort Dougan and Paul Mackerras
	13	# Adjusted for PPC64 by Tom Gall
	14	#
	15
	16	KERNELLOAD := 0xc000000000000000
	17
	18	# Set default 32 bits cross compilers for vdso and boot wrapper
	19	CROSS32_COMPILE ?=
	20
	21	CROSS32CC := $(CROSS32_COMPILE)gcc
	22	CROSS32AS := $(CROSS32_COMPILE)as
	23	CROSS32LD := $(CROSS32_COMPILE)ld
	24	CROSS32OBJCOPY := $(CROSS32_COMPILE)objcopy
	25
	26	# If we have a biarch compiler, use it for 32 bits cross compile if
	27	# CROSS32_COMPILE wasn't explicitely defined, and add proper explicit
	28	# target type to target compilers
	29
	30	HAS_BIARCH := $(call cc-option-yn, -m64)
	31	ifeq ($(HAS_BIARCH),y)
	32	ifeq ($(CROSS32_COMPILE),)
	33	CROSS32CC := $(CC) -m32
	34	CROSS32AS := $(AS) -a32
	35	CROSS32LD := $(LD) -m elf32ppc
	36	CROSS32OBJCOPY := $(OBJCOPY)
	37	endif
723e2b35 SL	38	override AS += -a64
	39	override LD += -m elf64ppc
	40	override CC += -m64
1da177e4 LT	41	endif
	42
	43	export CROSS32CC CROSS32AS CROSS32LD CROSS32OBJCOPY
	44
	45	new_nm := $(shell if $(NM) --help 2>&1 \| grep -- '--synthetic' > /dev/null; then echo y; else echo n; fi)
	46
	47	ifeq ($(new_nm),y)
	48	NM := $(NM) --synthetic
	49
	50	endif
	51
	52	CHECKFLAGS += -m64 -D__powerpc__
	53
	54	LDFLAGS := -m elf64ppc
	55	LDFLAGS_vmlinux := -Bstatic -e $(KERNELLOAD) -Ttext $(KERNELLOAD)
	56	CFLAGS += -msoft-float -pipe -mminimal-toc -mtraceback=none \
	57	-mcall-aixdesc
45e2a6e4 SR	58	# Temporary hack until we have migrated to asm-powerpc
45e2a6e4 SR	59	CPPFLAGS += -Iinclude3
1da177e4	60
52292c9b BH	61	GCC_VERSION := $(call cc-version)
	62	GCC_BROKEN_VEC := $(shell if [ $(GCC_VERSION) -lt 0400 ] ; then echo "y"; fi ;)
	63
1da177e4 LT	64	ifeq ($(CONFIG_POWER4_ONLY),y)
1da177e4 LT	65	ifeq ($(CONFIG_ALTIVEC),y)
52292c9b	66	ifeq ($(GCC_BROKEN_VEC),y)
1da177e4 LT	67	CFLAGS += $(call cc-option,-mcpu=970)
	68	else
	69	CFLAGS += $(call cc-option,-mcpu=power4)
	70	endif
52292c9b BH	71	else
	72	CFLAGS += $(call cc-option,-mcpu=power4)
	73	endif
1da177e4 LT	74	else
	75	CFLAGS += $(call cc-option,-mtune=power4)
	76	endif
	77
	78	# Enable unit-at-a-time mode when possible. It shrinks the
	79	# kernel considerably.
	80	CFLAGS += $(call cc-option,-funit-at-a-time)
	81
	82	head-y := arch/ppc64/kernel/head.o
	83
	84	libs-y += arch/ppc64/lib/
	85	core-y += arch/ppc64/kernel/
	86	core-y += arch/ppc64/mm/
	87	core-$(CONFIG_XMON) += arch/ppc64/xmon/
	88	drivers-$(CONFIG_OPROFILE) += arch/ppc64/oprofile/
	89
	90	boot := arch/ppc64/boot
	91
	92	boottarget-$(CONFIG_PPC_PSERIES) := zImage zImage.initrd
	93	boottarget-$(CONFIG_PPC_MAPLE) := zImage zImage.initrd
	94	boottarget-$(CONFIG_PPC_ISERIES) := vmlinux.sminitrd vmlinux.initrd vmlinux.sm
fef1c772	95	boottarget-$(CONFIG_PPC_BPA) := zImage zImage.initrd
1da177e4 LT	96	$(boottarget-y): vmlinux
	97	$(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
	98
	99	bootimage-$(CONFIG_PPC_PSERIES) := $(boot)/zImage
	100	bootimage-$(CONFIG_PPC_PMAC) := vmlinux
	101	bootimage-$(CONFIG_PPC_MAPLE) := $(boot)/zImage
fef1c772	102	bootimage-$(CONFIG_PPC_BPA) := zImage
1da177e4 LT	103	bootimage-$(CONFIG_PPC_ISERIES) := vmlinux
	104	BOOTIMAGE := $(bootimage-y)
	105	install: vmlinux
	106	$(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(BOOTIMAGE) $@
	107
	108	defaultimage-$(CONFIG_PPC_PSERIES) := zImage
	109	defaultimage-$(CONFIG_PPC_PMAC) := vmlinux
	110	defaultimage-$(CONFIG_PPC_MAPLE) := zImage
	111	defaultimage-$(CONFIG_PPC_ISERIES) := vmlinux
	112	KBUILD_IMAGE := $(defaultimage-y)
	113	all: $(KBUILD_IMAGE)
	114
	115	archclean:
	116	$(Q)$(MAKE) $(clean)=$(boot)
45e2a6e4	117	$(Q)rm -rf include3
1da177e4 LT	118
	119	prepare: include/asm-ppc64/offsets.h
	120
	121	arch/ppc64/kernel/asm-offsets.s: include/asm include/linux/version.h \
	122	include/config/MARKER
	123
	124	include/asm-ppc64/offsets.h: arch/ppc64/kernel/asm-offsets.s
	125	$(call filechk,gen-asm-offsets)
	126
45e2a6e4 SR	127	# Temporary hack until we have migrated to asm-powerpc
	128	include/asm: include3/asm
	129	include3/asm:
	130	$(Q)if [ ! -d include3 ]; then mkdir -p include3; fi;
	131	$(Q)ln -fsn $(srctree)/include/asm-powerpc include3/asm
	132
1da177e4 LT	133	define archhelp
	134	echo '* zImage - Compressed kernel image (arch/$(ARCH)/boot/zImage)'
	135	echo ' zImage.initrd- Compressed kernel image with initrd attached,'
	136	echo ' sourced from arch/$(ARCH)/boot/ramdisk.image.gz'
	137	echo ' (arch/$(ARCH)/boot/zImage.initrd)'
	138	endef
	139
	140	CLEAN_FILES += include/asm-ppc64/offsets.h