[GitHub/mt8127/android_kernel_alcatel_ttab.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.32 vmlinux.64

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:
	$(Q)$(MAKE) $(clean)=arch/mips/boot
	$(Q)$(MAKE) $(clean)=arch/mips/boot/compressed
	$(Q)$(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
Commit	Line	Data
1da177e4 LT	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
de0c1698 AB	15	KBUILD_DEFCONFIG := ip22_defconfig
de0c1698 AB	16
1da177e4 LT	17	#
	18	# Select the object file format to substitute into the linker script.
	19	#
	20	ifdef CONFIG_CPU_LITTLE_ENDIAN
17f690be RB	21	32bit-tool-archpref = mipsel
17f690be RB	22	64bit-tool-archpref = mips64el
1da177e4 LT	23	32bit-bfd = elf32-tradlittlemips
	24	64bit-bfd = elf64-tradlittlemips
	25	32bit-emul = elf32ltsmip
	26	64bit-emul = elf64ltsmip
	27	else
17f690be RB	28	32bit-tool-archpref = mips
17f690be RB	29	64bit-tool-archpref = mips64
1da177e4 LT	30	32bit-bfd = elf32-tradbigmips
	31	64bit-bfd = elf64-tradbigmips
	32	32bit-emul = elf32btsmip
	33	64bit-emul = elf64btsmip
	34	endif
	35
875d43e7	36	ifdef CONFIG_32BIT
17f690be	37	tool-archpref = $(32bit-tool-archpref)
1da177e4 LT	38	UTS_MACHINE := mips
1da177e4 LT	39	endif
875d43e7	40	ifdef CONFIG_64BIT
17f690be	41	tool-archpref = $(64bit-tool-archpref)
1da177e4 LT	42	UTS_MACHINE := mips64
	43	endif
	44
17f690be RB	45	ifneq ($(SUBARCH),$(ARCH))
17f690be RB	46	ifeq ($(CROSS_COMPILE),)
3247989e	47	CROSS_COMPILE := $(call cc-cross-prefix, $(tool-archpref)-linux- $(tool-archpref)-linux-gnu- $(tool-archpref)-unknown-linux-gnu-)
17f690be	48	endif
1da177e4 LT	49	endif
1da177e4 LT	50
d2bb0762	51	ifndef CONFIG_FUNCTION_TRACER
05e41404	52	cflags-y := -ffunction-sections
d2bb0762	53	endif
7326c4e5 WZ	54	ifdef CONFIG_FUNCTION_GRAPH_TRACER
	55	ifndef KBUILD_MCOUNT_RA_ADDRESS
	56	ifeq ($(call cc-option-yn,-mmcount-ra-address), y)
	57	cflags-y += -mmcount-ra-address -DKBUILD_MCOUNT_RA_ADDRESS
	58	endif
	59	endif
	60	endif
1a4ba061	61	cflags-y += $(call cc-option, -mno-check-zero-division)
05e41404	62
8145095c	63	ifdef CONFIG_32BIT
1da177e4 LT	64	ld-emul = $(32bit-emul)
	65	vmlinux-32 = vmlinux
	66	vmlinux-64 = vmlinux.64
59b3e8e9 RB	67
59b3e8e9 RB	68	cflags-y += -mabi=32
8145095c	69	endif
1da177e4	70
8145095c	71	ifdef CONFIG_64BIT
8145095c RB	72	ld-emul = $(64bit-emul)
	73	vmlinux-32 = vmlinux.32
	74	vmlinux-64 = vmlinux
	75
59b3e8e9	76	cflags-y += -mabi=64
1da177e4 LT	77	endif
1da177e4 LT	78
8496b401 RB	79	all-$(CONFIG_BOOT_ELF32) := $(vmlinux-32)
8496b401 RB	80	all-$(CONFIG_BOOT_ELF64) := $(vmlinux-64)
1b93b3c3	81	all-$(CONFIG_SYS_SUPPORTS_ZBOOT)+= vmlinuz
59b3e8e9	82
1da177e4 LT	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 $28 conflicts with
	87	# the current pointer optimization.
	88	#
	89	# The DECStation requires an ECOFF kernel for remote booting, other MIPS
	90	# machines may also. Since BFD is incredibly buggy with respect to
	91	# crossformat linking we rely on the elf2ecoff tool for format conversion.
	92	#
1da177e4	93	cflags-y += -G 0 -mno-abicalls -fno-pic -pipe
6218cf44	94	cflags-y += -msoft-float
9f83d839	95	LDFLAGS_vmlinux += -G 0 -static -n -nostdlib
1da177e4 LT	96	MODFLAGS += -mlong-calls
1da177e4 LT	97
72fbfb26 RB	98	cflags-y += -ffreestanding
72fbfb26 RB	99
f425a6dc TS	100	#
	101	# We explicitly add the endianness specifier if needed, this allows
	102	# to compile kernels with a toolchain for the other endianness. We
	103	# carefully avoid to add it redundantly because gcc 3.3/3.4 complains
	104	# when fed the toolchain default!
	105	#
f9405412	106	# Certain gcc versions upto gcc 4.1.1 (probably 4.2-subversion as of
59c51591	107	# 2006-10-10 don't properly change the predefined symbols if -EB / -EL
f9405412 RB	108	# are used, so we kludge that here. A bug has been filed at
	109	# http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29413.
	110	#
	111	undef-all += -UMIPSEB -U_MIPSEB -U__MIPSEB -U__MIPSEB__
	112	undef-all += -UMIPSEL -U_MIPSEL -U__MIPSEL -U__MIPSEL__
	113	predef-be += -DMIPSEB -D_MIPSEB -D__MIPSEB -D__MIPSEB__
	114	predef-le += -DMIPSEL -D_MIPSEL -D__MIPSEL -D__MIPSEL__
	115	cflags-$(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) $(predef-le))
f425a6dc	117
9693a853 FBH	118	cflags-$(CONFIG_CPU_HAS_SMARTMIPS) += $(call cc-option,-msmartmips)
9693a853 FBH	119
9007c9a2 RB	120	cflags-$(CONFIG_SB1XXX_CORELIS) += $(call cc-option,-mno-sched-prolog) \
9007c9a2 RB	121	-fno-omit-frame-pointer
1da177e4	122
1da177e4 LT	123	#
	124	# CPU-dependent compiler/assembler options for optimization.
	125	#
59b3e8e9 RB	126	cflags-$(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
9200c0b2	133	cflags-$(CONFIG_CPU_MIPS32_R1) += $(call cc-option,-march=mips32,-mips32 -U_MIPS_ISA -D_MIPS_ISA=_MIPS_ISA_MIPS32) \
59b3e8e9	134	-Wa,-mips32 -Wa,--trap
9200c0b2	135	cflags-$(CONFIG_CPU_MIPS32_R2) += $(call cc-option,-march=mips32r2,-mips32r2 -U_MIPS_ISA -D_MIPS_ISA=_MIPS_ISA_MIPS32) \
59b3e8e9	136	-Wa,-mips32r2 -Wa,--trap
9200c0b2	137	cflags-$(CONFIG_CPU_MIPS64_R1) += $(call cc-option,-march=mips64,-mips64 -U_MIPS_ISA -D_MIPS_ISA=_MIPS_ISA_MIPS64) \
59b3e8e9	138	-Wa,-mips64 -Wa,--trap
9200c0b2	139	cflags-$(CONFIG_CPU_MIPS64_R2) += $(call cc-option,-march=mips64r2,-mips64r2 -U_MIPS_ISA -D_MIPS_ISA=_MIPS_ISA_MIPS64) \
59b3e8e9 RB	140	-Wa,-mips64r2 -Wa,--trap
59b3e8e9 RB	141	cflags-$(CONFIG_CPU_R5000) += -march=r5000 -Wa,--trap
c9e321e0	142	cflags-$(CONFIG_CPU_R5432) += $(call cc-option,-march=r5400,-march=r5000) \
1da177e4	143	-Wa,--trap
542c1020 SK	144	cflags-$(CONFIG_CPU_R5500) += $(call cc-option,-march=r5500,-march=r5000) \
542c1020 SK	145	-Wa,--trap
c9e321e0	146	cflags-$(CONFIG_CPU_NEVADA) += $(call cc-option,-march=rm5200,-march=r5000) \
1da177e4	147	-Wa,--trap
59b3e8e9	148	cflags-$(CONFIG_CPU_RM7000) += $(call cc-option,-march=rm7000,-march=r5000) \
1da177e4	149	-Wa,--trap
59b3e8e9	150	cflags-$(CONFIG_CPU_RM9000) += $(call cc-option,-march=rm9000,-march=r5000) \
1da177e4	151	-Wa,--trap
59b3e8e9	152	cflags-$(CONFIG_CPU_SB1) += $(call cc-option,-march=sb1,-march=r5000) \
1da177e4	153	-Wa,--trap
59b3e8e9 RB	154	cflags-$(CONFIG_CPU_R8000) += -march=r8000 -Wa,--trap
59b3e8e9 RB	155	cflags-$(CONFIG_CPU_R10000) += $(call cc-option,-march=r10000,-march=r8000) \
1da177e4	156	-Wa,--trap
7e69deb8 DD	157	cflags-$(CONFIG_CPU_CAVIUM_OCTEON) += $(call cc-option,-march=octeon) -Wa,--trap
	158	ifeq (,$(findstring march=octeon, $(cflags-$(CONFIG_CPU_CAVIUM_OCTEON))))
	159	cflags-$(CONFIG_CPU_CAVIUM_OCTEON) += -Wa,-march=octeon
	160	endif
1da177e4	161
20d60d99 MR	162	cflags-$(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) += $(call cc-option,-mno-daddi,)
	165
1da177e4 LT	166	ifdef CONFIG_CPU_SB1
	167	ifdef CONFIG_SB1_PASS_1_WORKAROUNDS
	168	MODFLAGS += -msb1-pass1-workarounds
	169	endif
	170	endif
	171
	172	#
	173	# Firmware support
	174	#
2f56cfdd	175	libs-$(CONFIG_ARC) += arch/mips/fw/arc/
df78b5c8	176	libs-$(CONFIG_CFE) += arch/mips/fw/cfe/
231a35d3 TB	177	libs-$(CONFIG_SNIPROM) += arch/mips/fw/sni/
231a35d3 TB	178	libs-y += arch/mips/fw/lib/
1da177e4	179
ebc89718 RB	180	#
	181	# Kernel compression
	182	#
	183	ifdef SYS_SUPPORTS_ZBOOT
	184	COMPRESSION_FNAME = vmlinuz
	185	else
	186	COMPRESSION_FNAME = vmlinux
	187	endif
	188
1da177e4 LT	189	#
	190	# Board-dependent options and extra files
	191	#
5d25b01c	192	include $(srctree)/arch/mips/Kbuild.platforms
7ca5dc14	193
384740dc	194	cflags-y += -I$(srctree)/arch/mips/include/asm/mach-generic
1da177e4 LT	195	drivers-$(CONFIG_PCI) += arch/mips/pci/
1da177e4 LT	196
adff90a9 FBH	197	#
	198	# Automatically detect the build format. By default we choose
	199	# the elf format according to the load address.
	200	# We can always force a build with a 64-bits symbol format by
054c51b4	201	# passing 'KBUILD_SYM32=no' option to the make's command line.
adff90a9 FBH	202	#
adff90a9 FBH	203	ifdef CONFIG_64BIT
054c51b4	204	ifndef KBUILD_SYM32
adff90a9	205	ifeq ($(shell expr $(load-y) \< 0xffffffff80000000), 0)
054c51b4	206	KBUILD_SYM32 = y
adff90a9 FBH	207	endif
	208	endif
	209
20d60d99 MR	210	ifeq ($(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)
e58d95ab	215	endif
adff90a9 FBH	216	endif
	217	endif
	218
222d394d	219	KBUILD_AFLAGS += $(cflags-y)
51b563fc SR	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)"
1da177e4 LT	223
	224	LDFLAGS += -m $(ld-emul)
	225
59b3e8e9	226	ifdef CONFIG_MIPS
a0f97e06	227	CHECKFLAGS += $(shell $(CC) $(KBUILD_CFLAGS) -dM -E -xc /dev/null \| \
48c35b2d	228	egrep -vw '__GNUC_(\|MINOR_\|PATCHLEVEL_)_' \| \
2a2c3e45 AN	229	sed -e 's/^\#define /-D/' -e "s/ /='/" -e "s/$$/'/")
	230	ifdef CONFIG_64BIT
	231	CHECKFLAGS += -m64
	232	endif
59b3e8e9 RB	233	endif
59b3e8e9 RB	234
1da177e4 LT	235	OBJCOPYFLAGS += --remove-section=.reginfo
1da177e4 LT	236
1da177e4 LT	237	head-y := arch/mips/kernel/head.o arch/mips/kernel/init_task.o
	238
	239	libs-y += arch/mips/lib/
1da177e4	240
9aeb404b SR	241	# See arch/mips/Kbuild for content of core part of the kernel
9aeb404b SR	242	core-y += arch/mips/
1da177e4 LT	243
	244	drivers-$(CONFIG_OPROFILE) += arch/mips/oprofile/
	245
363c55ca WZ	246	# suspend and hibernation support
	247	drivers-$(CONFIG_PM) += arch/mips/power/
	248
1f21d2bd BM	249	ifdef CONFIG_LASAT
	250	rom.bin rom.sw: vmlinux
	251	$(Q)$(MAKE) $(build)=arch/mips/lasat/image $@
	252	endif
	253
1da177e4 LT	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
8496b401	269	all: $(all-y)
1da177e4	270
35eaa1e9	271	# boot
961e196c SR	272	vmlinux.bin vmlinux.ecoff vmlinux.srec: $(vmlinux-32) FORCE
961e196c SR	273	$(Q)$(MAKE) $(build)=arch/mips/boot VMLINUX=$(vmlinux-32) arch/mips/boot/$@
1da177e4	274
35eaa1e9 SR	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
d745866e	281	CLEAN_FILES += vmlinux.32 vmlinux.64
1da177e4	282
e48ce6b8 AN	283	archprepare:
	284	ifdef CONFIG_MIPS32_N32
	285	@echo ' Checking missing-syscalls for N32'
	286	$(Q)$(MAKE) $(build)=. missing-syscalls EXTRA_CFLAGS="-mabi=n32"
	287	endif
	288	ifdef CONFIG_MIPS32_O32
	289	@echo ' Checking missing-syscalls for O32'
	290	$(Q)$(MAKE) $(build)=. missing-syscalls EXTRA_CFLAGS="-mabi=32"
	291	endif
	292
59968d3b RB	293	install:
59968d3b RB	294	$(Q)install -D -m 755 vmlinux $(INSTALL_PATH)/vmlinux-$(KERNELRELEASE)
1b93b3c3	295	$(Q)install -D -m 755 vmlinuz $(INSTALL_PATH)/vmlinuz-$(KERNELRELEASE)
59968d3b RB	296	$(Q)install -D -m 644 .config $(INSTALL_PATH)/config-$(KERNELRELEASE)
	297	$(Q)install -D -m 644 System.map $(INSTALL_PATH)/System.map-$(KERNELRELEASE)
	298
1da177e4	299	archclean:
d745866e SR	300	$(Q)$(MAKE) $(clean)=arch/mips/boot
	301	$(Q)$(MAKE) $(clean)=arch/mips/boot/compressed
	302	$(Q)$(MAKE) $(clean)=arch/mips/lasat
1da177e4	303
e7865765	304	define archhelp
59968d3b	305	echo ' install - install kernel into $(INSTALL_PATH)'
e7865765 RB	306	echo ' vmlinux.ecoff - ECOFF boot image'
	307	echo ' vmlinux.bin - Raw binary boot image'
	308	echo ' vmlinux.srec - SREC boot image'
1b93b3c3 WZ	309	echo ' vmlinuz - Compressed boot(zboot) image'
	310	echo ' vmlinuz.ecoff - ECOFF zboot image'
	311	echo ' vmlinuz.bin - Raw binary zboot image'
	312	echo ' vmlinuz.srec - SREC zboot image'
e7865765 RB	313	echo
	314	echo ' These will be default as apropriate for a configured platform.'
	315	endef