[deliverable/linux.git] / arch / mips / Makefile

#
# 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, 95, 96, 2003 by Ralf Baechle
# DECStation modifications by Paul M. Antoine, 1996
# Copyright (C) 2002, 2003, 2004  Maciej W. Rozycki
#
# 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.
#

KBUILD_DEFCONFIG := ip22_defconfig

#
# Select the object file format to substitute into the linker script.
#
ifdef CONFIG_CPU_LITTLE_ENDIAN
32bit-tool-archpref	= mipsel
64bit-tool-archpref	= mips64el
32bit-bfd		= elf32-tradlittlemips
64bit-bfd		= elf64-tradlittlemips
32bit-emul		= elf32ltsmip
64bit-emul		= elf64ltsmip
else
32bit-tool-archpref	= mips
64bit-tool-archpref	= mips64
32bit-bfd		= elf32-tradbigmips
64bit-bfd		= elf64-tradbigmips
32bit-emul		= elf32btsmip
64bit-emul		= elf64btsmip
endif

ifdef CONFIG_32BIT
tool-archpref		= $(32bit-tool-archpref)
UTS_MACHINE		:= mips
endif
ifdef CONFIG_64BIT
tool-archpref		= $(64bit-tool-archpref)
UTS_MACHINE		:= mips64
endif

ifneq ($(SUBARCH),$(ARCH))
  ifeq ($(CROSS_COMPILE),)
    CROSS_COMPILE := $(call cc-cross-prefix, $(tool-archpref)-linux-  $(tool-archpref)-linux-gnu-  $(tool-archpref)-unknown-linux-gnu-)
  endif
endif

ifndef CONFIG_FUNCTION_TRACER
cflags-y := -ffunction-sections
endif
ifdef CONFIG_FUNCTION_GRAPH_TRACER
  ifndef KBUILD_MCOUNT_RA_ADDRESS
    ifeq ($(call cc-option-yn,-mmcount-ra-address), y)
      cflags-y += -mmcount-ra-address -DKBUILD_MCOUNT_RA_ADDRESS
    endif
  endif
endif
cflags-y += $(call cc-option, -mno-check-zero-division)

ifdef CONFIG_32BIT
ld-emul			= $(32bit-emul)
vmlinux-32		= vmlinux
vmlinux-64		= vmlinux.64

cflags-y		+= -mabi=32
endif

ifdef CONFIG_64BIT
ld-emul			= $(64bit-emul)
vmlinux-32		= vmlinux.32
vmlinux-64		= vmlinux

cflags-y		+= -mabi=64
endif

all-$(CONFIG_BOOT_ELF32)	:= $(vmlinux-32)
all-$(CONFIG_BOOT_ELF64)	:= $(vmlinux-64)
all-$(CONFIG_SYS_SUPPORTS_ZBOOT)+= vmlinuz

#
# GCC uses -G 0 -mabicalls -fpic as default.  We don't want PIC in the kernel
# code since it only slows down the whole thing.  At some point we might make
# use of global pointer optimizations but their use of $28 conflicts with
# the current pointer optimization.
#
# The DECStation requires an ECOFF kernel for remote booting, other MIPS
# machines may also.  Since BFD is incredibly buggy with respect to
# crossformat linking we rely on the elf2ecoff tool for format conversion.
#
cflags-y			+= -G 0 -mno-abicalls -fno-pic -pipe
cflags-y			+= -msoft-float
LDFLAGS_vmlinux			+= -G 0 -static -n -nostdlib
MODFLAGS			+= -mlong-calls

cflags-y += -ffreestanding

#
# We explicitly add the endianness specifier if needed, this allows
# to compile kernels with a toolchain for the other endianness. We
# carefully avoid to add it redundantly because gcc 3.3/3.4 complains
# when fed the toolchain default!
#
# Certain gcc versions upto gcc 4.1.1 (probably 4.2-subversion as of
# 2006-10-10 don't properly change the predefined symbols if -EB / -EL
# are used, so we kludge that here.  A bug has been filed at
# http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29413.
#
undef-all += -UMIPSEB -U_MIPSEB -U__MIPSEB -U__MIPSEB__
undef-all += -UMIPSEL -U_MIPSEL -U__MIPSEL -U__MIPSEL__
predef-be += -DMIPSEB -D_MIPSEB -D__MIPSEB -D__MIPSEB__
predef-le += -DMIPSEL -D_MIPSEL -D__MIPSEL -D__MIPSEL__
cflags-$(CONFIG_CPU_BIG_ENDIAN)		+= $(shell $(CC) -dumpmachine |grep -q 'mips.*el-.*' && echo -EB $(undef-all) $(predef-be))
cflags-$(CONFIG_CPU_LITTLE_ENDIAN)	+= $(shell $(CC) -dumpmachine |grep -q 'mips.*el-.*' || echo -EL $(undef-all) $(predef-le))

cflags-$(CONFIG_CPU_HAS_SMARTMIPS)	+= $(call cc-option,-msmartmips)

cflags-$(CONFIG_SB1XXX_CORELIS)	+= $(call cc-option,-mno-sched-prolog) \
				   -fno-omit-frame-pointer

#
# CPU-dependent compiler/assembler options for optimization.
#
cflags-$(CONFIG_CPU_R3000)	+= -march=r3000
cflags-$(CONFIG_CPU_TX39XX)	+= -march=r3900
cflags-$(CONFIG_CPU_R6000)	+= -march=r6000 -Wa,--trap
cflags-$(CONFIG_CPU_R4300)	+= -march=r4300 -Wa,--trap
cflags-$(CONFIG_CPU_VR41XX)	+= -march=r4100 -Wa,--trap
cflags-$(CONFIG_CPU_R4X00)	+= -march=r4600 -Wa,--trap
cflags-$(CONFIG_CPU_TX49XX)	+= -march=r4600 -Wa,--trap
cflags-$(CONFIG_CPU_MIPS32_R1)	+= $(call cc-option,-march=mips32,-mips32 -U_MIPS_ISA -D_MIPS_ISA=_MIPS_ISA_MIPS32) \
			-Wa,-mips32 -Wa,--trap
cflags-$(CONFIG_CPU_MIPS32_R2)	+= $(call cc-option,-march=mips32r2,-mips32r2 -U_MIPS_ISA -D_MIPS_ISA=_MIPS_ISA_MIPS32) \
			-Wa,-mips32r2 -Wa,--trap
cflags-$(CONFIG_CPU_MIPS64_R1)	+= $(call cc-option,-march=mips64,-mips64 -U_MIPS_ISA -D_MIPS_ISA=_MIPS_ISA_MIPS64) \
			-Wa,-mips64 -Wa,--trap
cflags-$(CONFIG_CPU_MIPS64_R2)	+= $(call cc-option,-march=mips64r2,-mips64r2 -U_MIPS_ISA -D_MIPS_ISA=_MIPS_ISA_MIPS64) \
			-Wa,-mips64r2 -Wa,--trap
cflags-$(CONFIG_CPU_R5000)	+= -march=r5000 -Wa,--trap
cflags-$(CONFIG_CPU_R5432)	+= $(call cc-option,-march=r5400,-march=r5000) \
			-Wa,--trap
cflags-$(CONFIG_CPU_R5500)	+= $(call cc-option,-march=r5500,-march=r5000) \
			-Wa,--trap
cflags-$(CONFIG_CPU_NEVADA)	+= $(call cc-option,-march=rm5200,-march=r5000) \
			-Wa,--trap
cflags-$(CONFIG_CPU_RM7000)	+= $(call cc-option,-march=rm7000,-march=r5000) \
			-Wa,--trap
cflags-$(CONFIG_CPU_RM9000)	+= $(call cc-option,-march=rm9000,-march=r5000) \
			-Wa,--trap
cflags-$(CONFIG_CPU_SB1)	+= $(call cc-option,-march=sb1,-march=r5000) \
			-Wa,--trap
cflags-$(CONFIG_CPU_R8000)	+= -march=r8000 -Wa,--trap
cflags-$(CONFIG_CPU_R10000)	+= $(call cc-option,-march=r10000,-march=r8000) \
			-Wa,--trap
cflags-$(CONFIG_CPU_CAVIUM_OCTEON) += $(call cc-option,-march=octeon) -Wa,--trap
ifeq (,$(findstring march=octeon, $(cflags-$(CONFIG_CPU_CAVIUM_OCTEON))))
cflags-$(CONFIG_CPU_CAVIUM_OCTEON) += -Wa,-march=octeon
endif

cflags-$(CONFIG_CPU_R4000_WORKAROUNDS)	+= $(call cc-option,-mfix-r4000,)
cflags-$(CONFIG_CPU_R4400_WORKAROUNDS)	+= $(call cc-option,-mfix-r4400,)
cflags-$(CONFIG_CPU_DADDI_WORKAROUNDS)	+= $(call cc-option,-mno-daddi,)

ifdef CONFIG_CPU_SB1
ifdef CONFIG_SB1_PASS_1_WORKAROUNDS
MODFLAGS	+= -msb1-pass1-workarounds
endif
endif

#
# Firmware support
#
libs-$(CONFIG_ARC)		+= arch/mips/fw/arc/
libs-$(CONFIG_CFE)		+= arch/mips/fw/cfe/
libs-$(CONFIG_SNIPROM)		+= arch/mips/fw/sni/
libs-y				+= arch/mips/fw/lib/

#
# Kernel compression
#
ifdef SYS_SUPPORTS_ZBOOT
COMPRESSION_FNAME		= vmlinuz
else
COMPRESSION_FNAME		= vmlinux
endif

#
# Board-dependent options and extra files
#
include $(srctree)/arch/mips/Kbuild.platforms

cflags-y			+= -I$(srctree)/arch/mips/include/asm/mach-generic
drivers-$(CONFIG_PCI)		+= arch/mips/pci/

#
# Automatically detect the build format. By default we choose
# the elf format according to the load address.
# We can always force a build with a 64-bits symbol format by
# passing 'KBUILD_SYM32=no' option to the make's command line.
#
ifdef CONFIG_64BIT
  ifndef KBUILD_SYM32
    ifeq ($(shell expr $(load-y) \< 0xffffffff80000000), 0)
      KBUILD_SYM32 = y
    endif
  endif

  ifeq ($(KBUILD_SYM32)$(call cc-option-yn,-msym32), yy)
    cflags-y += -msym32 -DKBUILD_64BIT_SYM32
  else
    ifeq ($(CONFIG_CPU_DADDI_WORKAROUNDS), y)
      $(error CONFIG_CPU_DADDI_WORKAROUNDS unsupported without -msym32)
    endif
  endif
endif

KBUILD_AFLAGS	+= $(cflags-y)
KBUILD_CFLAGS	+= $(cflags-y)
KBUILD_CPPFLAGS += -D"VMLINUX_LOAD_ADDRESS=$(load-y)"
KBUILD_CPPFLAGS += -D"DATAOFFSET=$(if $(dataoffset-y),$(dataoffset-y),0)"

LDFLAGS			+= -m $(ld-emul)

ifdef CONFIG_MIPS
CHECKFLAGS += $(shell $(CC) $(KBUILD_CFLAGS) -dM -E -xc /dev/null | \
	egrep -vw '__GNUC_(|MINOR_|PATCHLEVEL_)_' | \
	sed -e 's/^\#define /-D/' -e "s/ /='/" -e "s/$$/'/")
ifdef CONFIG_64BIT
CHECKFLAGS		+= -m64
endif
endif

OBJCOPYFLAGS		+= --remove-section=.reginfo

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

libs-y			+= arch/mips/lib/

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

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

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

ifdef CONFIG_LASAT
rom.bin rom.sw: vmlinux
	$(Q)$(MAKE) $(build)=arch/mips/lasat/image $@
endif

#
# Some machines like the Indy need 32-bit ELF binaries for booting purposes.
# Other need ECOFF, so we build a 32-bit ELF binary for them which we then
# convert to ECOFF using elf2ecoff.
#
vmlinux.32: vmlinux
	$(OBJCOPY) -O $(32bit-bfd) $(OBJCOPYFLAGS) $< $@

#
# The 64-bit ELF tools are pretty broken so at this time we generate 64-bit
# ELF files from 32-bit files by conversion.
#
vmlinux.64: vmlinux
	$(OBJCOPY) -O $(64bit-bfd) $(OBJCOPYFLAGS) $< $@

all:	$(all-y)

# boot
vmlinux.bin vmlinux.ecoff vmlinux.srec: $(vmlinux-32) FORCE
	$(Q)$(MAKE) $(build)=arch/mips/boot VMLINUX=$(vmlinux-32) arch/mips/boot/$@

# boot/compressed
vmlinuz vmlinuz.bin vmlinuz.ecoff vmlinuz.srec: $(vmlinux-32) FORCE
	$(Q)$(MAKE) $(build)=arch/mips/boot/compressed \
	   VMLINUX_LOAD_ADDRESS=$(load-y) 32bit-bfd=$(32bit-bfd) $@


CLEAN_FILES += vmlinux.ecoff \
	       vmlinux.srec

archprepare:
ifdef CONFIG_MIPS32_N32
	@echo '  Checking missing-syscalls for N32'
	$(Q)$(MAKE) $(build)=. missing-syscalls EXTRA_CFLAGS="-mabi=n32"
endif
ifdef CONFIG_MIPS32_O32
	@echo '  Checking missing-syscalls for O32'
	$(Q)$(MAKE) $(build)=. missing-syscalls EXTRA_CFLAGS="-mabi=32"
endif

install:
	$(Q)install -D -m 755 vmlinux $(INSTALL_PATH)/vmlinux-$(KERNELRELEASE)
	$(Q)install -D -m 755 vmlinuz $(INSTALL_PATH)/vmlinuz-$(KERNELRELEASE)
	$(Q)install -D -m 644 .config $(INSTALL_PATH)/config-$(KERNELRELEASE)
	$(Q)install -D -m 644 System.map $(INSTALL_PATH)/System.map-$(KERNELRELEASE)

archclean:
	@$(MAKE) $(clean)=arch/mips/boot
	@$(MAKE) $(clean)=arch/mips/boot/compressed
	@$(MAKE) $(clean)=arch/mips/lasat

define archhelp
	echo '  install              - install kernel into $(INSTALL_PATH)'
	echo '  vmlinux.ecoff        - ECOFF boot image'
	echo '  vmlinux.bin          - Raw binary boot image'
	echo '  vmlinux.srec         - SREC boot image'
	echo '  vmlinuz              - Compressed boot(zboot) image'
	echo '  vmlinuz.ecoff        - ECOFF zboot image'
	echo '  vmlinuz.bin          - Raw binary zboot image'
	echo '  vmlinuz.srec         - SREC zboot image'
	echo
	echo '  These will be default as apropriate for a configured platform.'
endef

CLEAN_FILES += vmlinux.32 \
	       vmlinux.64 \
	       vmlinux.ecoff \
	       vmlinuz \
	       vmlinuz.ecoff \
	       vmlinuz.bin \
	       vmlinuz.srec
Commit	Line	Data
	1	#
	2	# This file is subject to the terms and conditions of the GNU General Public
	3	# License. See the file "COPYING" in the main directory of this archive
	4	# for more details.
	5	#
	6	# Copyright (C) 1994, 95, 96, 2003 by Ralf Baechle
	7	# DECStation modifications by Paul M. Antoine, 1996
	8	# Copyright (C) 2002, 2003, 2004 Maciej W. Rozycki
	9	#
	10	# This file is included by the global makefile so that you can add your own
	11	# architecture-specific flags and dependencies. Remember to do have actions
	12	# for "archclean" cleaning up for this architecture.
	13	#
	14
	15	KBUILD_DEFCONFIG := ip22_defconfig
	16
	17	#
	18	# Select the object file format to substitute into the linker script.
	19	#
	20	ifdef CONFIG_CPU_LITTLE_ENDIAN
	21	32bit-tool-archpref = mipsel
	22	64bit-tool-archpref = mips64el
	23	32bit-bfd = elf32-tradlittlemips
	24	64bit-bfd = elf64-tradlittlemips
	25	32bit-emul = elf32ltsmip
	26	64bit-emul = elf64ltsmip
	27	else
	28	32bit-tool-archpref = mips
	29	64bit-tool-archpref = mips64
	30	32bit-bfd = elf32-tradbigmips
	31	64bit-bfd = elf64-tradbigmips
	32	32bit-emul = elf32btsmip
	33	64bit-emul = elf64btsmip
	34	endif
	35
	36	ifdef CONFIG_32BIT
	37	tool-archpref = $(32bit-tool-archpref)
	38	UTS_MACHINE := mips
	39	endif
	40	ifdef CONFIG_64BIT
	41	tool-archpref = $(64bit-tool-archpref)
	42	UTS_MACHINE := mips64
	43	endif
	44
	45	ifneq ($(SUBARCH),$(ARCH))
	46	ifeq ($(CROSS_COMPILE),)
	47	CROSS_COMPILE := $(call cc-cross-prefix, $(tool-archpref)-linux- $(tool-archpref)-linux-gnu- $(tool-archpref)-unknown-linux-gnu-)
	48	endif
	49	endif
	50
	51	ifndef CONFIG_FUNCTION_TRACER
	52	cflags-y := -ffunction-sections
	53	endif
	54	ifdef CONFIG_FUNCTION_GRAPH_TRACER
	55	ifndef KBUILD_MCOUNT_RA_ADDRESS
	56	ifeq ($(call cc-option-yn,-mmcount-ra-address), y)
	57	cflags-y += -mmcount-ra-address -DKBUILD_MCOUNT_RA_ADDRESS
	58	endif
	59	endif
	60	endif
	61	cflags-y += $(call cc-option, -mno-check-zero-division)
	62
	63	ifdef CONFIG_32BIT
	64	ld-emul = $(32bit-emul)
	65	vmlinux-32 = vmlinux
	66	vmlinux-64 = vmlinux.64
	67
	68	cflags-y += -mabi=32
	69	endif
	70
	71	ifdef CONFIG_64BIT
	72	ld-emul = $(64bit-emul)
	73	vmlinux-32 = vmlinux.32
	74	vmlinux-64 = vmlinux
	75
	76	cflags-y += -mabi=64
	77	endif
	78
	79	all-$(CONFIG_BOOT_ELF32) := $(vmlinux-32)
	80	all-$(CONFIG_BOOT_ELF64) := $(vmlinux-64)
	81	all-$(CONFIG_SYS_SUPPORTS_ZBOOT)+= vmlinuz
	82
	83	#
	84	# GCC uses -G 0 -mabicalls -fpic as default. We don't want PIC in the kernel
	85	# code since it only slows down the whole thing. At some point we might make
	86	# use of global pointer optimizations but their use of $28 conflicts with
	87	# the current pointer optimization.
	88	#
	89	# The DECStation requires an ECOFF kernel for remote booting, other MIPS
	90	# machines may also. Since BFD is incredibly buggy with respect to
	91	# crossformat linking we rely on the elf2ecoff tool for format conversion.
	92	#
	93	cflags-y += -G 0 -mno-abicalls -fno-pic -pipe
	94	cflags-y += -msoft-float
	95	LDFLAGS_vmlinux += -G 0 -static -n -nostdlib
	96	MODFLAGS += -mlong-calls
	97
	98	cflags-y += -ffreestanding
	99
	100	#
	101	# We explicitly add the endianness specifier if needed, this allows
	102	# to compile kernels with a toolchain for the other endianness. We
	103	# carefully avoid to add it redundantly because gcc 3.3/3.4 complains
	104	# when fed the toolchain default!
	105	#
	106	# Certain gcc versions upto gcc 4.1.1 (probably 4.2-subversion as of
	107	# 2006-10-10 don't properly change the predefined symbols if -EB / -EL
	108	# are used, so we kludge that here. A bug has been filed at
	109	# http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29413.
	110	#
	111	undef-all += -UMIPSEB -U_MIPSEB -U__MIPSEB -U__MIPSEB__
	112	undef-all += -UMIPSEL -U_MIPSEL -U__MIPSEL -U__MIPSEL__
	113	predef-be += -DMIPSEB -D_MIPSEB -D__MIPSEB -D__MIPSEB__
	114	predef-le += -DMIPSEL -D_MIPSEL -D__MIPSEL -D__MIPSEL__
	115	cflags-$(CONFIG_CPU_BIG_ENDIAN) += $(shell $(CC) -dumpmachine \|grep -q 'mips.el-.' && echo -EB $(undef-all) $(predef-be))
	116	cflags-$(CONFIG_CPU_LITTLE_ENDIAN) += $(shell $(CC) -dumpmachine \|grep -q 'mips.el-.' \|\| echo -EL $(undef-all) $(predef-le))
	117
	118	cflags-$(CONFIG_CPU_HAS_SMARTMIPS) += $(call cc-option,-msmartmips)
	119
	120	cflags-$(CONFIG_SB1XXX_CORELIS) += $(call cc-option,-mno-sched-prolog) \
	121	-fno-omit-frame-pointer
	122
	123	#
	124	# CPU-dependent compiler/assembler options for optimization.
	125	#
	126	cflags-$(CONFIG_CPU_R3000) += -march=r3000
	127	cflags-$(CONFIG_CPU_TX39XX) += -march=r3900
	128	cflags-$(CONFIG_CPU_R6000) += -march=r6000 -Wa,--trap
	129	cflags-$(CONFIG_CPU_R4300) += -march=r4300 -Wa,--trap
	130	cflags-$(CONFIG_CPU_VR41XX) += -march=r4100 -Wa,--trap
	131	cflags-$(CONFIG_CPU_R4X00) += -march=r4600 -Wa,--trap
	132	cflags-$(CONFIG_CPU_TX49XX) += -march=r4600 -Wa,--trap
	133	cflags-$(CONFIG_CPU_MIPS32_R1) += $(call cc-option,-march=mips32,-mips32 -U_MIPS_ISA -D_MIPS_ISA=_MIPS_ISA_MIPS32) \
	134	-Wa,-mips32 -Wa,--trap
	135	cflags-$(CONFIG_CPU_MIPS32_R2) += $(call cc-option,-march=mips32r2,-mips32r2 -U_MIPS_ISA -D_MIPS_ISA=_MIPS_ISA_MIPS32) \
	136	-Wa,-mips32r2 -Wa,--trap
	137	cflags-$(CONFIG_CPU_MIPS64_R1) += $(call cc-option,-march=mips64,-mips64 -U_MIPS_ISA -D_MIPS_ISA=_MIPS_ISA_MIPS64) \
	138	-Wa,-mips64 -Wa,--trap
	139	cflags-$(CONFIG_CPU_MIPS64_R2) += $(call cc-option,-march=mips64r2,-mips64r2 -U_MIPS_ISA -D_MIPS_ISA=_MIPS_ISA_MIPS64) \
	140	-Wa,-mips64r2 -Wa,--trap
	141	cflags-$(CONFIG_CPU_R5000) += -march=r5000 -Wa,--trap
	142	cflags-$(CONFIG_CPU_R5432) += $(call cc-option,-march=r5400,-march=r5000) \
	143	-Wa,--trap
	144	cflags-$(CONFIG_CPU_R5500) += $(call cc-option,-march=r5500,-march=r5000) \
	145	-Wa,--trap
	146	cflags-$(CONFIG_CPU_NEVADA) += $(call cc-option,-march=rm5200,-march=r5000) \
	147	-Wa,--trap
	148	cflags-$(CONFIG_CPU_RM7000) += $(call cc-option,-march=rm7000,-march=r5000) \
	149	-Wa,--trap
	150	cflags-$(CONFIG_CPU_RM9000) += $(call cc-option,-march=rm9000,-march=r5000) \
	151	-Wa,--trap
	152	cflags-$(CONFIG_CPU_SB1) += $(call cc-option,-march=sb1,-march=r5000) \
	153	-Wa,--trap
	154	cflags-$(CONFIG_CPU_R8000) += -march=r8000 -Wa,--trap
	155	cflags-$(CONFIG_CPU_R10000) += $(call cc-option,-march=r10000,-march=r8000) \
	156	-Wa,--trap
	157	cflags-$(CONFIG_CPU_CAVIUM_OCTEON) += $(call cc-option,-march=octeon) -Wa,--trap
	158	ifeq (,$(findstring march=octeon, $(cflags-$(CONFIG_CPU_CAVIUM_OCTEON))))
	159	cflags-$(CONFIG_CPU_CAVIUM_OCTEON) += -Wa,-march=octeon
	160	endif
	161
	162	cflags-$(CONFIG_CPU_R4000_WORKAROUNDS) += $(call cc-option,-mfix-r4000,)
	163	cflags-$(CONFIG_CPU_R4400_WORKAROUNDS) += $(call cc-option,-mfix-r4400,)
	164	cflags-$(CONFIG_CPU_DADDI_WORKAROUNDS) += $(call cc-option,-mno-daddi,)
	165
	166	ifdef CONFIG_CPU_SB1
	167	ifdef CONFIG_SB1_PASS_1_WORKAROUNDS
	168	MODFLAGS += -msb1-pass1-workarounds
	169	endif
	170	endif
	171
	172	#
	173	# Firmware support
	174	#
	175	libs-$(CONFIG_ARC) += arch/mips/fw/arc/
	176	libs-$(CONFIG_CFE) += arch/mips/fw/cfe/
	177	libs-$(CONFIG_SNIPROM) += arch/mips/fw/sni/
	178	libs-y += arch/mips/fw/lib/
	179
	180	#
	181	# Kernel compression
	182	#
	183	ifdef SYS_SUPPORTS_ZBOOT
	184	COMPRESSION_FNAME = vmlinuz
	185	else
	186	COMPRESSION_FNAME = vmlinux
	187	endif
	188
	189	#
	190	# Board-dependent options and extra files
	191	#
	192	include $(srctree)/arch/mips/Kbuild.platforms
	193
	194	cflags-y += -I$(srctree)/arch/mips/include/asm/mach-generic
	195	drivers-$(CONFIG_PCI) += arch/mips/pci/
	196
	197	#
	198	# Automatically detect the build format. By default we choose
	199	# the elf format according to the load address.
	200	# We can always force a build with a 64-bits symbol format by
	201	# passing 'KBUILD_SYM32=no' option to the make's command line.
	202	#
	203	ifdef CONFIG_64BIT
	204	ifndef KBUILD_SYM32
	205	ifeq ($(shell expr $(load-y) \< 0xffffffff80000000), 0)
	206	KBUILD_SYM32 = y
	207	endif
	208	endif
	209
	210	ifeq ($(KBUILD_SYM32)$(call cc-option-yn,-msym32), yy)
	211	cflags-y += -msym32 -DKBUILD_64BIT_SYM32
	212	else
	213	ifeq ($(CONFIG_CPU_DADDI_WORKAROUNDS), y)
	214	$(error CONFIG_CPU_DADDI_WORKAROUNDS unsupported without -msym32)
	215	endif
	216	endif
	217	endif
	218
	219	KBUILD_AFLAGS += $(cflags-y)
	220	KBUILD_CFLAGS += $(cflags-y)
	221	KBUILD_CPPFLAGS += -D"VMLINUX_LOAD_ADDRESS=$(load-y)"
	222	KBUILD_CPPFLAGS += -D"DATAOFFSET=$(if $(dataoffset-y),$(dataoffset-y),0)"
	223
	224	LDFLAGS += -m $(ld-emul)
	225
	226	ifdef CONFIG_MIPS
	227	CHECKFLAGS += $(shell $(CC) $(KBUILD_CFLAGS) -dM -E -xc /dev/null \| \
	228	egrep -vw '__GNUC_(\|MINOR_\|PATCHLEVEL_)_' \| \
	229	sed -e 's/^\#define /-D/' -e "s/ /='/" -e "s/$$/'/")
	230	ifdef CONFIG_64BIT
	231	CHECKFLAGS += -m64
	232	endif
	233	endif
	234
	235	OBJCOPYFLAGS += --remove-section=.reginfo
	236
	237	head-y := arch/mips/kernel/head.o arch/mips/kernel/init_task.o
	238
	239	libs-y += arch/mips/lib/
	240
	241	# See arch/mips/Kbuild for content of core part of the kernel
	242	core-y += arch/mips/
	243
	244	drivers-$(CONFIG_OPROFILE) += arch/mips/oprofile/
	245
	246	# suspend and hibernation support
	247	drivers-$(CONFIG_PM) += arch/mips/power/
	248
	249	ifdef CONFIG_LASAT
	250	rom.bin rom.sw: vmlinux
	251	$(Q)$(MAKE) $(build)=arch/mips/lasat/image $@
	252	endif
	253
	254	#
	255	# Some machines like the Indy need 32-bit ELF binaries for booting purposes.
	256	# Other need ECOFF, so we build a 32-bit ELF binary for them which we then
	257	# convert to ECOFF using elf2ecoff.
	258	#
	259	vmlinux.32: vmlinux
	260	$(OBJCOPY) -O $(32bit-bfd) $(OBJCOPYFLAGS) $< $@
	261
	262	#
	263	# The 64-bit ELF tools are pretty broken so at this time we generate 64-bit
	264	# ELF files from 32-bit files by conversion.
	265	#
	266	vmlinux.64: vmlinux
	267	$(OBJCOPY) -O $(64bit-bfd) $(OBJCOPYFLAGS) $< $@
	268
	269	all: $(all-y)
	270
	271	# boot
	272	vmlinux.bin vmlinux.ecoff vmlinux.srec: $(vmlinux-32) FORCE
	273	$(Q)$(MAKE) $(build)=arch/mips/boot VMLINUX=$(vmlinux-32) arch/mips/boot/$@
	274
	275	# boot/compressed
	276	vmlinuz vmlinuz.bin vmlinuz.ecoff vmlinuz.srec: $(vmlinux-32) FORCE
	277	$(Q)$(MAKE) $(build)=arch/mips/boot/compressed \
	278	VMLINUX_LOAD_ADDRESS=$(load-y) 32bit-bfd=$(32bit-bfd) $@
	279
	280
	281	CLEAN_FILES += vmlinux.ecoff \
	282	vmlinux.srec
	283
	284	archprepare:
	285	ifdef CONFIG_MIPS32_N32
	286	@echo ' Checking missing-syscalls for N32'
	287	$(Q)$(MAKE) $(build)=. missing-syscalls EXTRA_CFLAGS="-mabi=n32"
	288	endif
	289	ifdef CONFIG_MIPS32_O32
	290	@echo ' Checking missing-syscalls for O32'
	291	$(Q)$(MAKE) $(build)=. missing-syscalls EXTRA_CFLAGS="-mabi=32"
	292	endif
	293
	294	install:
	295	$(Q)install -D -m 755 vmlinux $(INSTALL_PATH)/vmlinux-$(KERNELRELEASE)
	296	$(Q)install -D -m 755 vmlinuz $(INSTALL_PATH)/vmlinuz-$(KERNELRELEASE)
	297	$(Q)install -D -m 644 .config $(INSTALL_PATH)/config-$(KERNELRELEASE)
	298	$(Q)install -D -m 644 System.map $(INSTALL_PATH)/System.map-$(KERNELRELEASE)
	299
	300	archclean:
	301	@$(MAKE) $(clean)=arch/mips/boot
	302	@$(MAKE) $(clean)=arch/mips/boot/compressed
	303	@$(MAKE) $(clean)=arch/mips/lasat
	304
	305	define archhelp
	306	echo ' install - install kernel into $(INSTALL_PATH)'
	307	echo ' vmlinux.ecoff - ECOFF boot image'
	308	echo ' vmlinux.bin - Raw binary boot image'
	309	echo ' vmlinux.srec - SREC boot image'
	310	echo ' vmlinuz - Compressed boot(zboot) image'
	311	echo ' vmlinuz.ecoff - ECOFF zboot image'
	312	echo ' vmlinuz.bin - Raw binary zboot image'
	313	echo ' vmlinuz.srec - SREC zboot image'
	314	echo
	315	echo ' These will be default as apropriate for a configured platform.'
	316	endef
	317
	318	CLEAN_FILES += vmlinux.32 \
	319	vmlinux.64 \
	320	vmlinux.ecoff \
	321	vmlinuz \
	322	vmlinuz.ecoff \
	323	vmlinuz.bin \
	324	vmlinuz.srec