[GitHub/mt8127/android_kernel_alcatel_ttab.git] / arch / powerpc / 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
#

# This must match PAGE_OFFSET in include/asm-powerpc/page.h.
KERNELLOAD	:= $(CONFIG_KERNEL_START)

HAS_BIARCH	:= $(call cc-option-yn, -m32)

ifeq ($(CONFIG_PPC64),y)
OLDARCH	:= ppc64
SZ	:= 64

# 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

ifeq ($(HAS_BIARCH),y)
ifeq ($(CROSS32_COMPILE),)
CROSS32CC	:= $(CC) -m32
CROSS32AS	:= $(AS) -a32
CROSS32LD	:= $(LD) -m elf32ppc
CROSS32OBJCOPY	:= $(OBJCOPY)
endif
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

else
OLDARCH	:= ppc
SZ	:= 32
endif

ifeq ($(HAS_BIARCH),y)
override AS	+= -a$(SZ)
override LD	+= -m elf$(SZ)ppc
override CC	+= -m$(SZ)
endif

LDFLAGS_vmlinux	:= -Ttext $(KERNELLOAD) -Bstatic -e $(KERNELLOAD)

# The -Iarch/$(ARCH)/include is temporary while we are merging
CPPFLAGS	+= -Iarch/$(ARCH) -Iarch/$(ARCH)/include
AFLAGS		+= -Iarch/$(ARCH)
CFLAGS		+= -Iarch/$(ARCH) -msoft-float -pipe
CFLAGS-$(CONFIG_PPC64)	:= -mminimal-toc -mtraceback=none  -mcall-aixdesc
CFLAGS-$(CONFIG_PPC32)	:= -ffixed-r2 -mmultiple
CFLAGS		+= $(CFLAGS-y)
CPP		= $(CC) -E $(CFLAGS)
# Temporary hack until we have migrated to asm-powerpc
LINUXINCLUDE    += -Iarch/$(ARCH)/include

CHECKFLAGS	+= -m$(SZ) -D__powerpc__ -D__powerpc$(SZ)__

ifeq ($(CONFIG_PPC64),y)
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
endif

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

ifndef CONFIG_FSL_BOOKE
CFLAGS		+= -mstring
endif

cpu-as-$(CONFIG_PPC64BRIDGE)	+= -Wa,-mppc64bridge
cpu-as-$(CONFIG_4xx)		+= -Wa,-m405
cpu-as-$(CONFIG_6xx)		+= -Wa,-maltivec
cpu-as-$(CONFIG_POWER4)		+= -Wa,-maltivec
cpu-as-$(CONFIG_E500)		+= -Wa,-me500
cpu-as-$(CONFIG_E200)		+= -Wa,-me200

AFLAGS += $(cpu-as-y)
CFLAGS += $(cpu-as-y)

# Default to the common case.
KBUILD_DEFCONFIG := common_defconfig

head-y				:= arch/powerpc/kernel/head.o
head-$(CONFIG_PPC64)		:= arch/powerpc/kernel/head_64.o
head-$(CONFIG_8xx)		:= arch/powerpc/kernel/head_8xx.o
head-$(CONFIG_4xx)		:= arch/powerpc/kernel/head_4xx.o
head-$(CONFIG_44x)		:= arch/powerpc/kernel/head_44x.o
head-$(CONFIG_FSL_BOOKE)	:= arch/powerpc/kernel/head_fsl_booke.o

ifeq ($(CONFIG_PPC32),y)
head-$(CONFIG_6xx)		+= arch/powerpc/kernel/idle_6xx.o
head-$(CONFIG_PPC_FPU)		+= arch/powerpc/kernel/fpu.o
endif

core-y				+= arch/powerpc/kernel/ \
				   arch/$(OLDARCH)/kernel/ \
				   arch/powerpc/mm/ \
				   arch/powerpc/lib/ \
				   arch/powerpc/sysdev/ \
				   arch/powerpc/platforms/
core-$(CONFIG_PPC32)		+= arch/ppc/syslib/
core-$(CONFIG_MATH_EMULATION)	+= arch/ppc/math-emu/
core-$(CONFIG_XMON)		+= arch/powerpc/xmon/
core-$(CONFIG_APUS)		+= arch/ppc/amiga/
drivers-$(CONFIG_8xx)		+= arch/ppc/8xx_io/
drivers-$(CONFIG_4xx)		+= arch/ppc/4xx_io/
drivers-$(CONFIG_CPM2)		+= arch/ppc/8260_io/

drivers-$(CONFIG_OPROFILE)	+= arch/powerpc/oprofile/

BOOT_TARGETS = zImage zImage.initrd znetboot znetboot.initrd vmlinux.sm

.PHONY: $(BOOT_TARGETS)

all: uImage zImage

CPPFLAGS_vmlinux.lds	:= -Upowerpc

# All the instructions talk about "make bzImage".
bzImage: zImage

boot := arch/$(OLDARCH)/boot

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

uImage: vmlinux
	$(Q)$(MAKE) ARCH=$(OLDARCH) $(build)=$(boot)/images $(boot)/images/$@

define archhelp
  @echo '* zImage          - Compressed kernel image (arch/$(ARCH)/boot/images/zImage.*)'
  @echo '  uImage          - Create a bootable image for U-Boot / PPCBoot'
  @echo '  install         - Install kernel using'
  @echo '                    (your) ~/bin/installkernel or'
  @echo '                    (distribution) /sbin/installkernel or'
  @echo '                    install to $$(INSTALL_PATH) and run lilo'
  @echo '  *_defconfig     - Select default config from arch/$(ARCH)/ppc/configs'
endef

archclean:
	$(Q)$(MAKE) $(clean)=$(boot)
	# Temporary hack until we have migrated to asm-powerpc
	$(Q)rm -rf arch/$(ARCH)/include

archprepare: checkbin

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

# Use the file '.tmp_gas_check' for binutils tests, as gas won't output
# to stdout and these checks are run even on install targets.
TOUT	:= .tmp_gas_check
# Ensure this is binutils 2.12.1 (or 2.12.90.0.7) or later for altivec
# instructions.
# gcc-3.4 and binutils-2.14 are a fatal combination.
GCC_VERSION	:= $(call cc-version)

checkbin:
	@if test "$(GCC_VERSION)" = "0304" ; then \
		if ! /bin/echo mftb 5 | $(AS) -v -mppc -many -o $(TOUT) >/dev/null 2>&1 ; then \
			echo -n '*** ${VERSION}.${PATCHLEVEL} kernels no longer build '; \
			echo 'correctly with gcc-3.4 and your version of binutils.'; \
			echo '*** Please upgrade your binutils or downgrade your gcc'; \
			false; \
		fi ; \
	fi
	@if ! /bin/echo dssall | $(AS) -many -o $(TOUT) >/dev/null 2>&1 ; then \
		echo -n '*** ${VERSION}.${PATCHLEVEL} kernels no longer build ' ; \
		echo 'correctly with old versions of binutils.' ; \
		echo '*** Please upgrade your binutils to 2.12.1 or newer' ; \
		false ; \
	fi

CLEAN_FILES += $(TOUT)
Commit	Line	Data
14cf11af PM	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	#
	14
	15	# This must match PAGE_OFFSET in include/asm-powerpc/page.h.
	16	KERNELLOAD := $(CONFIG_KERNEL_START)
	17
	18	HAS_BIARCH := $(call cc-option-yn, -m32)
	19
	20	ifeq ($(CONFIG_PPC64),y)
bbeb3f4c	21	OLDARCH := ppc64
14cf11af PM	22	SZ := 64
	23
	24	# Set default 32 bits cross compilers for vdso and boot wrapper
	25	CROSS32_COMPILE ?=
	26
	27	CROSS32CC := $(CROSS32_COMPILE)gcc
	28	CROSS32AS := $(CROSS32_COMPILE)as
	29	CROSS32LD := $(CROSS32_COMPILE)ld
	30	CROSS32OBJCOPY := $(CROSS32_COMPILE)objcopy
	31
	32	ifeq ($(HAS_BIARCH),y)
	33	ifeq ($(CROSS32_COMPILE),)
	34	CROSS32CC := $(CC) -m32
	35	CROSS32AS := $(AS) -a32
	36	CROSS32LD := $(LD) -m elf32ppc
	37	CROSS32OBJCOPY := $(OBJCOPY)
	38	endif
	39	endif
	40
	41	export CROSS32CC CROSS32AS CROSS32LD CROSS32OBJCOPY
	42
	43	new_nm := $(shell if $(NM) --help 2>&1 \| grep -- '--synthetic' > /dev/null; then echo y; else echo n; fi)
	44
	45	ifeq ($(new_nm),y)
	46	NM := $(NM) --synthetic
	47	endif
	48
	49	else
bbeb3f4c	50	OLDARCH := ppc
14cf11af PM	51	SZ := 32
	52	endif
	53
	54	ifeq ($(HAS_BIARCH),y)
	55	override AS += -a$(SZ)
	56	override LD += -m elf$(SZ)ppc
	57	override CC += -m$(SZ)
	58	endif
	59
	60	LDFLAGS_vmlinux := -Ttext $(KERNELLOAD) -Bstatic -e $(KERNELLOAD)
	61
	62	# The -Iarch/$(ARCH)/include is temporary while we are merging
	63	CPPFLAGS += -Iarch/$(ARCH) -Iarch/$(ARCH)/include
	64	AFLAGS += -Iarch/$(ARCH)
	65	CFLAGS += -Iarch/$(ARCH) -msoft-float -pipe
bbeb3f4c SR	66	CFLAGS-$(CONFIG_PPC64) := -mminimal-toc -mtraceback=none -mcall-aixdesc
	67	CFLAGS-$(CONFIG_PPC32) := -ffixed-r2 -mmultiple
	68	CFLAGS += $(CFLAGS-y)
14cf11af PM	69	CPP = $(CC) -E $(CFLAGS)
	70	# Temporary hack until we have migrated to asm-powerpc
	71	LINUXINCLUDE += -Iarch/$(ARCH)/include
	72
	73	CHECKFLAGS += -m$(SZ) -D__powerpc__ -D__powerpc$(SZ)__
	74
	75	ifeq ($(CONFIG_PPC64),y)
	76	GCC_VERSION := $(call cc-version)
	77	GCC_BROKEN_VEC := $(shell if [ $(GCC_VERSION) -lt 0400 ] ; then echo "y"; fi)
	78
	79	ifeq ($(CONFIG_POWER4_ONLY),y)
	80	ifeq ($(CONFIG_ALTIVEC),y)
	81	ifeq ($(GCC_BROKEN_VEC),y)
	82	CFLAGS += $(call cc-option,-mcpu=970)
	83	else
	84	CFLAGS += $(call cc-option,-mcpu=power4)
	85	endif
	86	else
	87	CFLAGS += $(call cc-option,-mcpu=power4)
	88	endif
	89	else
	90	CFLAGS += $(call cc-option,-mtune=power4)
	91	endif
	92	endif
	93
	94	# Enable unit-at-a-time mode when possible. It shrinks the
	95	# kernel considerably.
	96	CFLAGS += $(call cc-option,-funit-at-a-time)
	97
	98	ifndef CONFIG_FSL_BOOKE
	99	CFLAGS += -mstring
	100	endif
	101
	102	cpu-as-$(CONFIG_PPC64BRIDGE) += -Wa,-mppc64bridge
	103	cpu-as-$(CONFIG_4xx) += -Wa,-m405
	104	cpu-as-$(CONFIG_6xx) += -Wa,-maltivec
	105	cpu-as-$(CONFIG_POWER4) += -Wa,-maltivec
	106	cpu-as-$(CONFIG_E500) += -Wa,-me500
	107	cpu-as-$(CONFIG_E200) += -Wa,-me200
	108
	109	AFLAGS += $(cpu-as-y)
	110	CFLAGS += $(cpu-as-y)
	111
	112	# Default to the common case.
	113	KBUILD_DEFCONFIG := common_defconfig
	114
	115	head-y := arch/powerpc/kernel/head.o
	116	head-$(CONFIG_PPC64) := arch/powerpc/kernel/head_64.o
	117	head-$(CONFIG_8xx) := arch/powerpc/kernel/head_8xx.o
	118	head-$(CONFIG_4xx) := arch/powerpc/kernel/head_4xx.o
	119	head-$(CONFIG_44x) := arch/powerpc/kernel/head_44x.o
	120	head-$(CONFIG_FSL_BOOKE) := arch/powerpc/kernel/head_fsl_booke.o
	121
	122	ifeq ($(CONFIG_PPC32),y)
	123	head-$(CONFIG_6xx) += arch/powerpc/kernel/idle_6xx.o
14cf11af PM	124	head-$(CONFIG_PPC_FPU) += arch/powerpc/kernel/fpu.o
	125	endif
	126
	127	core-y += arch/powerpc/kernel/ \
bbeb3f4c	128	arch/$(OLDARCH)/kernel/ \
14cf11af PM	129	arch/powerpc/mm/ \
14cf11af PM	130	arch/powerpc/lib/ \
bbeb3f4c SR	131	arch/powerpc/sysdev/ \
	132	arch/powerpc/platforms/
	133	core-$(CONFIG_PPC32) += arch/ppc/syslib/
14cf11af PM	134	core-$(CONFIG_MATH_EMULATION) += arch/ppc/math-emu/
	135	core-$(CONFIG_XMON) += arch/powerpc/xmon/
	136	core-$(CONFIG_APUS) += arch/ppc/amiga/
	137	drivers-$(CONFIG_8xx) += arch/ppc/8xx_io/
	138	drivers-$(CONFIG_4xx) += arch/ppc/4xx_io/
	139	drivers-$(CONFIG_CPM2) += arch/ppc/8260_io/
	140
	141	drivers-$(CONFIG_OPROFILE) += arch/powerpc/oprofile/
	142
	143	BOOT_TARGETS = zImage zImage.initrd znetboot znetboot.initrd vmlinux.sm
	144
	145	.PHONY: $(BOOT_TARGETS)
	146
	147	all: uImage zImage
	148
	149	CPPFLAGS_vmlinux.lds := -Upowerpc
	150
	151	# All the instructions talk about "make bzImage".
	152	bzImage: zImage
	153
a3a9e99e	154	boot := arch/$(OLDARCH)/boot
14cf11af PM	155
14cf11af PM	156	$(BOOT_TARGETS): vmlinux
a3a9e99e	157	$(Q)$(MAKE) ARCH=$(OLDARCH) $(build)=$(boot) $@
14cf11af PM	158
14cf11af PM	159	uImage: vmlinux
a3a9e99e	160	$(Q)$(MAKE) ARCH=$(OLDARCH) $(build)=$(boot)/images $(boot)/images/$@
14cf11af PM	161
	162	define archhelp
	163	@echo '* zImage - Compressed kernel image (arch/$(ARCH)/boot/images/zImage.*)'
	164	@echo ' uImage - Create a bootable image for U-Boot / PPCBoot'
	165	@echo ' install - Install kernel using'
	166	@echo ' (your) ~/bin/installkernel or'
	167	@echo ' (distribution) /sbin/installkernel or'
	168	@echo ' install to $$(INSTALL_PATH) and run lilo'
	169	@echo ' *_defconfig - Select default config from arch/$(ARCH)/ppc/configs'
	170	endef
	171
	172	archclean:
a3a9e99e	173	$(Q)$(MAKE) $(clean)=$(boot)
14cf11af PM	174	# Temporary hack until we have migrated to asm-powerpc
	175	$(Q)rm -rf arch/$(ARCH)/include
	176
	177	archprepare: checkbin
	178
	179	# Temporary hack until we have migrated to asm-powerpc
14cf11af PM	180	include/asm: arch/$(ARCH)/include/asm
	181	arch/$(ARCH)/include/asm:
	182	$(Q)if [ ! -d arch/$(ARCH)/include ]; then mkdir -p arch/$(ARCH)/include; fi
bbeb3f4c	183	$(Q)ln -fsn $(srctree)/include/asm-$(OLDARCH) arch/$(ARCH)/include/asm
14cf11af PM	184
	185	# Use the file '.tmp_gas_check' for binutils tests, as gas won't output
	186	# to stdout and these checks are run even on install targets.
	187	TOUT := .tmp_gas_check
	188	# Ensure this is binutils 2.12.1 (or 2.12.90.0.7) or later for altivec
	189	# instructions.
	190	# gcc-3.4 and binutils-2.14 are a fatal combination.
	191	GCC_VERSION := $(call cc-version)
	192
	193	checkbin:
	194	@if test "$(GCC_VERSION)" = "0304" ; then \
	195	if ! /bin/echo mftb 5 \| $(AS) -v -mppc -many -o $(TOUT) >/dev/null 2>&1 ; then \
	196	echo -n '*** ${VERSION}.${PATCHLEVEL} kernels no longer build '; \
	197	echo 'correctly with gcc-3.4 and your version of binutils.'; \
	198	echo '*** Please upgrade your binutils or downgrade your gcc'; \
	199	false; \
	200	fi ; \
	201	fi
	202	@if ! /bin/echo dssall \| $(AS) -many -o $(TOUT) >/dev/null 2>&1 ; then \
	203	echo -n '*** ${VERSION}.${PATCHLEVEL} kernels no longer build ' ; \
	204	echo 'correctly with old versions of binutils.' ; \
	205	echo '*** Please upgrade your binutils to 2.12.1 or newer' ; \
	206	false ; \
	207	fi
	208
	209	CLEAN_FILES += $(TOUT)
	210