[Feature]add MT2731_MP2_MR2_SVN388 baseline version
Change-Id: Ief04314834b31e27effab435d3ca8ba33b499059
diff --git a/src/kernel/linux/v4.14/arch/mips/Makefile b/src/kernel/linux/v4.14/arch/mips/Makefile
new file mode 100644
index 0000000..a4a06d1
--- /dev/null
+++ b/src/kernel/linux/v4.14/arch/mips/Makefile
@@ -0,0 +1,553 @@
+#
+# 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.
+#
+
+archscripts: scripts_basic
+ $(Q)$(MAKE) $(build)=arch/mips/boot/tools relocs
+
+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- $(tool-archpref)-unknown-linux-gnu-)
+ endif
+endif
+
+ifdef CONFIG_FUNCTION_GRAPH_TRACER
+ ifndef KBUILD_MCOUNT_RA_ADDRESS
+ ifeq ($(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 $28 conflicts with
+# the current pointer optimization.
+#
+# The DECStation requires an ECOFF kernel for remote booting, other MIPS
+# machines may also. Since BFD is incredibly buggy with respect to
+# crossformat linking we rely on the elf2ecoff tool for format conversion.
+#
+cflags-y += -G 0 -mno-abicalls -fno-pic -pipe
+cflags-y += -msoft-float
+LDFLAGS_vmlinux += -G 0 -static -n -nostdlib
+KBUILD_AFLAGS_MODULE += -mlong-calls
+KBUILD_CFLAGS_MODULE += -mlong-calls
+
+ifeq ($(CONFIG_RELOCATABLE),y)
+LDFLAGS_vmlinux += --emit-relocs
+endif
+
+#
+# pass -msoft-float to GAS if it supports it. However on newer binutils
+# (specifically newer than 2.24.51.20140728) we then also need to explicitly
+# set ".set hardfloat" in all files which manipulate floating point registers.
+#
+ifneq ($(call as-option,-Wa$(comma)-msoft-float,),)
+ cflags-y += -DGAS_HAS_SET_HARDFLOAT -Wa,-msoft-float
+endif
+
+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 up to 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_SB1XXX_CORELIS) += $(call cc-option,-mno-sched-prolog) \
+ -fno-omit-frame-pointer
+
+# Some distribution-specific toolchains might pass the -fstack-check
+# option during the build, which adds a simple stack-probe at the beginning
+# of every function. This stack probe is to ensure that there is enough
+# stack space, else a SEGV is generated. This is not desirable for MIPS
+# as kernel stacks are small, placed in unmapped virtual memory, and do not
+# grow when overflowed. Especially on SGI IP27 platforms, this check will
+# lead to a NULL pointer dereference in _raw_spin_lock_irq.
+#
+# In disassembly, this stack probe appears at the top of a function as:
+# sd zero,<offset>(sp)
+# Where <offset> is a negative value.
+#
+cflags-y += -fno-stack-check
+
+#
+# CPU-dependent compiler/assembler options for optimization.
+#
+cflags-$(CONFIG_CPU_R3000) += -march=r3000
+cflags-$(CONFIG_CPU_TX39XX) += -march=r3900
+cflags-$(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) += -march=mips32 -Wa,--trap
+cflags-$(CONFIG_CPU_MIPS32_R2) += -march=mips32r2 -Wa,--trap
+cflags-$(CONFIG_CPU_MIPS32_R6) += -march=mips32r6 -Wa,--trap -modd-spreg
+cflags-$(CONFIG_CPU_MIPS64_R1) += -march=mips64 -Wa,--trap
+cflags-$(CONFIG_CPU_MIPS64_R2) += -march=mips64r2 -Wa,--trap
+cflags-$(CONFIG_CPU_MIPS64_R6) += -march=mips64r6 -Wa,--trap
+cflags-$(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_SB1) += $(call cc-option,-march=sb1,-march=r5000) \
+ -Wa,--trap
+cflags-$(CONFIG_CPU_SB1) += $(call cc-option,-mno-mdmx)
+cflags-$(CONFIG_CPU_SB1) += $(call cc-option,-mno-mips3d)
+cflags-$(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_CAVIUM_CN63XXP1) += -Wa,-mfix-cn63xxp1
+cflags-$(CONFIG_CPU_BMIPS) += -march=mips32 -Wa,-mips32 -Wa,--trap
+
+cflags-$(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,)
+
+# For smartmips configurations, there are hundreds of warnings due to ISA overrides
+# in assembly and header files. smartmips is only supported for MIPS32r1 onwards
+# and there is no support for 64-bit. Various '.set mips2' or '.set mips3' or
+# similar directives in the kernel will spam the build logs with the following warnings:
+# Warning: the `smartmips' extension requires MIPS32 revision 1 or greater
+# or
+# Warning: the 64-bit MIPS architecture does not support the `smartmips' extension
+# Pass -Wa,--no-warn to disable all assembler warnings until the kernel code has
+# been fixed properly.
+mips-cflags := $(cflags-y)
+ifeq ($(CONFIG_CPU_HAS_SMARTMIPS),y)
+smartmips-ase := $(call cc-option-yn,$(mips-cflags) -msmartmips)
+cflags-$(smartmips-ase) += -msmartmips -Wa,--no-warn
+endif
+ifeq ($(CONFIG_CPU_MICROMIPS),y)
+micromips-ase := $(call cc-option-yn,$(mips-cflags) -mmicromips)
+cflags-$(micromips-ase) += -mmicromips
+endif
+ifeq ($(CONFIG_CPU_HAS_MSA),y)
+toolchain-msa := $(call cc-option-yn,$(mips-cflags) -mhard-float -mfp64 -Wa$(comma)-mmsa)
+cflags-$(toolchain-msa) += -DTOOLCHAIN_SUPPORTS_MSA
+endif
+toolchain-virt := $(call cc-option-yn,$(mips-cflags) -mvirt)
+cflags-$(toolchain-virt) += -DTOOLCHAIN_SUPPORTS_VIRT
+
+#
+# Firmware support
+#
+libs-$(CONFIG_FW_ARC) += arch/mips/fw/arc/
+libs-$(CONFIG_FW_CFE) += arch/mips/fw/cfe/
+libs-$(CONFIG_FW_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 arch/mips/Kbuild.platforms
+
+ifdef CONFIG_PHYSICAL_START
+load-y = $(CONFIG_PHYSICAL_START)
+endif
+
+entry-noisa-y = 0x$(shell $(NM) vmlinux 2>/dev/null \
+ | grep "\bkernel_entry\b" | cut -f1 -d \ )
+ifdef CONFIG_CPU_MICROMIPS
+ #
+ # Set the ISA bit, since the kernel_entry symbol in the ELF will have it
+ # clear which would lead to images containing addresses which bootloaders may
+ # jump to as MIPS32 code.
+ #
+ entry-y = $(patsubst %0,%1,$(patsubst %2,%3,$(patsubst %4,%5, \
+ $(patsubst %6,%7,$(patsubst %8,%9,$(patsubst %a,%b, \
+ $(patsubst %c,%d,$(patsubst %e,%f,$(entry-noisa-y)))))))))
+else
+ entry-y = $(entry-noisa-y)
+endif
+
+cflags-y += -I$(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
+
+# When linking a 32-bit executable the LLVM linker cannot cope with a
+# 32-bit load address that has been sign-extended to 64 bits. Simply
+# remove the upper 32 bits then, as it is safe to do so with other
+# linkers.
+ifdef CONFIG_64BIT
+ load-ld = $(load-y)
+else
+ load-ld = $(subst 0xffffffff,0x,$(load-y))
+endif
+
+KBUILD_AFLAGS += $(cflags-y)
+KBUILD_CFLAGS += $(cflags-y)
+KBUILD_CPPFLAGS += -DVMLINUX_LOAD_ADDRESS=$(load-y) -DLINKER_LOAD_ADDRESS=$(load-ld)
+KBUILD_CPPFLAGS += -DDATAOFFSET=$(if $(dataoffset-y),$(dataoffset-y),0)
+
+bootvars-y = VMLINUX_LOAD_ADDRESS=$(load-y) \
+ LINKER_LOAD_ADDRESS=$(load-ld) \
+ VMLINUX_ENTRY_ADDRESS=$(entry-y) \
+ PLATFORM="$(platform-y)" \
+ ITS_INPUTS="$(its-y)"
+ifdef CONFIG_32BIT
+bootvars-y += ADDR_BITS=32
+endif
+ifdef CONFIG_64BIT
+bootvars-y += ADDR_BITS=64
+endif
+
+# This is required to get dwarf unwinding tables into .debug_frame
+# instead of .eh_frame so we don't discard them.
+KBUILD_CFLAGS += -fno-asynchronous-unwind-tables
+
+LDFLAGS += -m $(ld-emul)
+
+ifdef CONFIG_MIPS
+CHECKFLAGS += $(shell $(CC) $(KBUILD_CFLAGS) -dM -E -x c /dev/null | \
+ egrep -vw '__GNUC_(|MINOR_|PATCHLEVEL_)_' | \
+ sed -e "s/^\#define /-D'/" -e "s/ /'='/" -e "s/$$/'/" -e 's/\$$/&&/g')
+ifdef CONFIG_64BIT
+CHECKFLAGS += -m64
+endif
+endif
+
+OBJCOPYFLAGS += --remove-section=.reginfo
+
+head-y := arch/mips/kernel/head.o
+
+libs-y += arch/mips/lib/
+libs-y += arch/mips/math-emu/
+
+# 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/
+
+# boot image targets (arch/mips/boot/)
+boot-y := vmlinux.bin
+boot-y += vmlinux.ecoff
+boot-y += vmlinux.srec
+ifeq ($(shell expr $(load-y) \< 0xffffffff80000000 2> /dev/null), 0)
+boot-y += uImage
+boot-y += uImage.bin
+boot-y += uImage.bz2
+boot-y += uImage.gz
+boot-y += uImage.lzma
+boot-y += uImage.lzo
+endif
+boot-y += vmlinux.itb
+boot-y += vmlinux.gz.itb
+boot-y += vmlinux.bz2.itb
+boot-y += vmlinux.lzma.itb
+boot-y += vmlinux.lzo.itb
+
+# compressed boot image targets (arch/mips/boot/compressed/)
+bootz-y := vmlinuz
+bootz-y += vmlinuz.bin
+bootz-y += vmlinuz.ecoff
+bootz-y += vmlinuz.srec
+ifeq ($(shell expr $(zload-y) \< 0xffffffff80000000 2> /dev/null), 0)
+bootz-y += uzImage.bin
+endif
+
+ifdef CONFIG_LASAT
+rom.bin rom.sw: vmlinux
+ $(Q)$(MAKE) $(build)=arch/mips/lasat/image \
+ $(bootvars-y) $@
+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.
+#
+quiet_cmd_32 = OBJCOPY $@
+ cmd_32 = $(OBJCOPY) -O $(32bit-bfd) $(OBJCOPYFLAGS) $< $@
+vmlinux.32: vmlinux
+ $(call cmd,32)
+
+#
+# The 64-bit ELF tools are pretty broken so at this time we generate 64-bit
+# ELF files from 32-bit files by conversion.
+#
+quiet_cmd_64 = OBJCOPY $@
+ cmd_64 = $(OBJCOPY) -O $(64bit-bfd) $(OBJCOPYFLAGS) $< $@
+vmlinux.64: vmlinux
+ $(call cmd,64)
+
+all: $(all-y)
+
+# boot
+$(boot-y): $(vmlinux-32) FORCE
+ $(Q)$(MAKE) $(build)=arch/mips/boot VMLINUX=$(vmlinux-32) \
+ $(bootvars-y) arch/mips/boot/$@
+
+ifdef CONFIG_SYS_SUPPORTS_ZBOOT
+# boot/compressed
+$(bootz-y): $(vmlinux-32) FORCE
+ $(Q)$(MAKE) $(build)=arch/mips/boot/compressed \
+ $(bootvars-y) 32bit-bfd=$(32bit-bfd) $@
+else
+vmlinuz: FORCE
+ @echo ' CONFIG_SYS_SUPPORTS_ZBOOT is not enabled'
+ /bin/false
+endif
+
+
+CLEAN_FILES += vmlinux.32 vmlinux.64
+
+# device-trees
+core-$(CONFIG_BUILTIN_DTB) += arch/mips/boot/dts/
+
+%.dtb %.dtb.S %.dtb.o: | scripts
+ $(Q)$(MAKE) $(build)=arch/mips/boot/dts arch/mips/boot/dts/$@
+
+PHONY += dtbs
+dtbs: scripts
+ $(Q)$(MAKE) $(build)=arch/mips/boot/dts
+
+PHONY += dtbs_install
+dtbs_install:
+ $(Q)$(MAKE) $(dtbinst)=arch/mips/boot/dts
+
+archprepare:
+ifdef CONFIG_MIPS32_N32
+ @$(kecho) ' Checking missing-syscalls for N32'
+ $(Q)$(MAKE) $(build)=. missing-syscalls missing_syscalls_flags="-mabi=n32"
+endif
+ifdef CONFIG_MIPS32_O32
+ @$(kecho) ' Checking missing-syscalls for O32'
+ $(Q)$(MAKE) $(build)=. missing-syscalls missing_syscalls_flags="-mabi=32"
+endif
+
+install:
+ $(Q)install -D -m 755 vmlinux $(INSTALL_PATH)/vmlinux-$(KERNELRELEASE)
+ifdef CONFIG_SYS_SUPPORTS_ZBOOT
+ $(Q)install -D -m 755 vmlinuz $(INSTALL_PATH)/vmlinuz-$(KERNELRELEASE)
+endif
+ $(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/boot/tools
+ $(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 ' vmlinux.32 - 64-bit boot image wrapped in 32bits (IP22/IP32)'
+ 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 ' uImage - U-Boot image'
+ echo ' uImage.bin - U-Boot image (uncompressed)'
+ echo ' uImage.bz2 - U-Boot image (bz2)'
+ echo ' uImage.gz - U-Boot image (gzip)'
+ echo ' uImage.lzma - U-Boot image (lzma)'
+ echo ' uImage.lzo - U-Boot image (lzo)'
+ echo ' uzImage.bin - U-Boot image (self-extracting)'
+ echo ' dtbs - Device-tree blobs for enabled boards'
+ echo ' dtbs_install - Install dtbs to $(INSTALL_DTBS_PATH)'
+ echo
+ echo ' These will be default as appropriate for a configured platform.'
+ echo
+ echo ' If you are targeting a system supported by generic kernels you may'
+ echo ' configure the kernel for a given architecture target like so:'
+ echo
+ echo ' {micro32,32,64}{r1,r2,r6}{el,}_defconfig <BOARDS="list of boards">'
+ echo
+ echo ' Otherwise, the following default configurations are available:'
+endef
+
+generic_config_dir = $(srctree)/arch/$(ARCH)/configs/generic
+generic_defconfigs :=
+
+#
+# If the user generates a generic kernel configuration without specifying a
+# list of boards to include the config fragments for, default to including all
+# available board config fragments.
+#
+ifeq ($(BOARDS),)
+BOARDS = $(patsubst board-%.config,%,$(notdir $(wildcard $(generic_config_dir)/board-*.config)))
+endif
+
+#
+# Generic kernel configurations which merge generic_defconfig with the
+# appropriate config fragments from arch/mips/configs/generic/, resulting in
+# the ability to easily configure the kernel for a given architecture,
+# endianness & set of boards without duplicating the needed configuration in
+# hundreds of defconfig files.
+#
+define gen_generic_defconfigs
+$(foreach bits,$(1),$(foreach rev,$(2),$(foreach endian,$(3),
+target := $(bits)$(rev)$(filter el,$(endian))_defconfig
+generic_defconfigs += $$(target)
+$$(target): $(generic_config_dir)/$(bits)$(rev).config
+$$(target): $(generic_config_dir)/$(endian).config
+)))
+endef
+
+$(eval $(call gen_generic_defconfigs,32 64,r1 r2 r6,eb el))
+$(eval $(call gen_generic_defconfigs,micro32,r2,eb el))
+
+.PHONY: $(generic_defconfigs)
+$(generic_defconfigs):
+ $(Q)$(CONFIG_SHELL) $(srctree)/scripts/kconfig/merge_config.sh \
+ -m -O $(objtree) $(srctree)/arch/$(ARCH)/configs/generic_defconfig $^ | \
+ grep -Ev '^#'
+ $(Q)cp $(KCONFIG_CONFIG) $(objtree)/.config.$@
+ $(Q)$(MAKE) -f $(srctree)/Makefile olddefconfig \
+ KCONFIG_CONFIG=$(objtree)/.config.$@ >/dev/null
+ $(Q)$(CONFIG_SHELL) $(srctree)/arch/$(ARCH)/tools/generic-board-config.sh \
+ $(srctree) $(objtree) $(objtree)/.config.$@ $(KCONFIG_CONFIG) \
+ "$(origin BOARDS)" $(BOARDS)
+ $(Q)$(MAKE) -f $(srctree)/Makefile olddefconfig
+
+#
+# Prevent generic merge_config rules attempting to merge single fragments
+#
+$(generic_config_dir)/%.config: ;
+
+#
+# Prevent direct use of generic_defconfig, which is intended to be used as the
+# basis of the various ISA-specific targets generated above.
+#
+.PHONY: generic_defconfig
+generic_defconfig:
+ $(Q)echo "generic_defconfig is not intended for direct use, but should instead be"
+ $(Q)echo "used via an ISA-specific target from the following list:"
+ $(Q)echo
+ $(Q)for cfg in $(generic_defconfigs); do echo " $${cfg}"; done
+ $(Q)echo
+ $(Q)false
+
+#
+# Legacy defconfig compatibility - these targets used to be real defconfigs but
+# now that the boards have been converted to use the generic kernel they are
+# wrappers around the generic rules above.
+#
+.PHONY: sead3_defconfig
+sead3_defconfig:
+ $(Q)$(MAKE) -f $(srctree)/Makefile 32r2el_defconfig BOARDS=sead-3
+
+.PHONY: sead3micro_defconfig
+sead3micro_defconfig:
+ $(Q)$(MAKE) -f $(srctree)/Makefile micro32r2el_defconfig BOARDS=sead-3