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
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
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.
15 archscripts
: scripts_basic
16 $(Q
)$(MAKE
) $(build
)=arch
/mips
/tools elf-entry
17 ifeq ($(CONFIG_CPU_LOONGSON3_WORKAROUNDS
),y
)
18 $(Q
)$(MAKE
) $(build
)=arch
/mips
/tools loongson3-llsc-check
20 $(Q
)$(MAKE
) $(build
)=arch
/mips
/boot
/tools relocs
22 KBUILD_DEFCONFIG
:= 32r2el_defconfig
26 # Select the object file format to substitute into the linker script.
28 ifdef CONFIG_CPU_LITTLE_ENDIAN
29 32bit-tool-archpref
= mipsel
30 64bit-tool-archpref
= mips64el
31 32bit-bfd
= elf32-tradlittlemips
32 64bit-bfd
= elf64-tradlittlemips
33 32bit-emul
= elf32ltsmip
34 64bit-emul
= elf64ltsmip
36 32bit-tool-archpref
= mips
37 64bit-tool-archpref
= mips64
38 32bit-bfd
= elf32-tradbigmips
39 64bit-bfd
= elf64-tradbigmips
40 32bit-emul
= elf32btsmip
41 64bit-emul
= elf64btsmip
45 tool-archpref
= $(32bit-tool-archpref
)
49 tool-archpref
= $(64bit-tool-archpref
)
53 ifneq ($(SUBARCH
),$(ARCH
))
54 ifeq ($(CROSS_COMPILE
),)
55 CROSS_COMPILE
:= $(call cc-cross-prefix
, $(tool-archpref
)-linux-
$(tool-archpref
)-linux-gnu-
$(tool-archpref
)-unknown-linux-gnu-
)
59 ifdef CONFIG_FUNCTION_GRAPH_TRACER
60 ifndef KBUILD_MCOUNT_RA_ADDRESS
61 ifeq ($(call cc-option-yn
,-mmcount-ra-address
), y
)
62 cflags-y
+= -mmcount-ra-address
-DKBUILD_MCOUNT_RA_ADDRESS
66 cflags-y
+= $(call cc-option
, -mno-check-zero-division
)
69 ld-emul
= $(32bit-emul
)
71 vmlinux-64
= vmlinux
.64
77 ld-emul
= $(64bit-emul
)
78 vmlinux-32
= vmlinux
.32
84 all-
$(CONFIG_BOOT_ELF32
) := $(vmlinux-32
)
85 all-
$(CONFIG_BOOT_ELF64
) := $(vmlinux-64
)
86 all-
$(CONFIG_SYS_SUPPORTS_ZBOOT
)+= vmlinuz
89 # GCC uses -G 0 -mabicalls -fpic as default. We don't want PIC in the kernel
90 # code since it only slows down the whole thing. At some point we might make
91 # use of global pointer optimizations but their use of $28 conflicts with
92 # the current pointer optimization.
94 # The DECStation requires an ECOFF kernel for remote booting, other MIPS
95 # machines may also. Since BFD is incredibly buggy with respect to
96 # crossformat linking we rely on the elf2ecoff tool for format conversion.
98 cflags-y
+= -G
0 -mno-abicalls
-fno-pic
-pipe
99 cflags-y
+= -msoft-float
100 LDFLAGS_vmlinux
+= -G
0 -static
-n
-nostdlib
101 KBUILD_AFLAGS_MODULE
+= -mlong-calls
102 KBUILD_CFLAGS_MODULE
+= -mlong-calls
104 ifeq ($(CONFIG_RELOCATABLE
),y
)
105 LDFLAGS_vmlinux
+= --emit-relocs
109 # pass -msoft-float to GAS if it supports it. However on newer binutils
110 # (specifically newer than 2.24.51.20140728) we then also need to explicitly
111 # set ".set hardfloat" in all files which manipulate floating point registers.
113 ifneq ($(call as-option
,-Wa
$(comma
)-msoft-float
,),)
114 cflags-y
+= -DGAS_HAS_SET_HARDFLOAT
-Wa
,-msoft-float
117 cflags-y
+= -ffreestanding
119 cflags-
$(CONFIG_CPU_BIG_ENDIAN
) += -EB
120 cflags-
$(CONFIG_CPU_LITTLE_ENDIAN
) += -EL
122 cflags-
$(CONFIG_SB1XXX_CORELIS
) += $(call cc-option
,-mno-sched-prolog
) \
123 -fno-omit-frame-pointer
125 # Some distribution-specific toolchains might pass the -fstack-check
126 # option during the build, which adds a simple stack-probe at the beginning
127 # of every function. This stack probe is to ensure that there is enough
128 # stack space, else a SEGV is generated. This is not desirable for MIPS
129 # as kernel stacks are small, placed in unmapped virtual memory, and do not
130 # grow when overflowed. Especially on SGI IP27 platforms, this check will
131 # lead to a NULL pointer dereference in _raw_spin_lock_irq.
133 # In disassembly, this stack probe appears at the top of a function as:
134 # sd zero,<offset>(sp)
135 # Where <offset> is a negative value.
137 cflags-y
+= -fno-stack-check
140 # CPU-dependent compiler/assembler options for optimization.
142 cflags-
$(CONFIG_CPU_R3000
) += -march
=r3000
143 cflags-
$(CONFIG_CPU_TX39XX
) += -march
=r3900
144 cflags-
$(CONFIG_CPU_VR41XX
) += -march
=r4100
-Wa
,--trap
145 cflags-
$(CONFIG_CPU_R4X00
) += -march
=r4600
-Wa
,--trap
146 cflags-
$(CONFIG_CPU_TX49XX
) += -march
=r4600
-Wa
,--trap
147 cflags-
$(CONFIG_CPU_MIPS32_R1
) += -march
=mips32
-Wa
,--trap
148 cflags-
$(CONFIG_CPU_MIPS32_R2
) += -march
=mips32r2
-Wa
,--trap
149 cflags-
$(CONFIG_CPU_MIPS32_R5
) += -march
=mips32r5
-Wa
,--trap
-modd-spreg
150 cflags-
$(CONFIG_CPU_MIPS32_R6
) += -march
=mips32r6
-Wa
,--trap
-modd-spreg
151 cflags-
$(CONFIG_CPU_MIPS64_R1
) += -march
=mips64
-Wa
,--trap
152 cflags-
$(CONFIG_CPU_MIPS64_R2
) += -march
=mips64r2
-Wa
,--trap
153 cflags-
$(CONFIG_CPU_MIPS64_R5
) += -march
=mips64r5
-Wa
,--trap
154 cflags-
$(CONFIG_CPU_MIPS64_R6
) += -march
=mips64r6
-Wa
,--trap
155 cflags-
$(CONFIG_CPU_P5600
) += -march
=p5600
-Wa
,--trap
-modd-spreg
156 cflags-
$(CONFIG_CPU_R5000
) += -march
=r5000
-Wa
,--trap
157 cflags-
$(CONFIG_CPU_R5500
) += $(call cc-option
,-march
=r5500
,-march
=r5000
) \
159 cflags-
$(CONFIG_CPU_NEVADA
) += $(call cc-option
,-march
=rm5200
,-march
=r5000
) \
161 cflags-
$(CONFIG_CPU_RM7000
) += $(call cc-option
,-march
=rm7000
,-march
=r5000
) \
163 cflags-
$(CONFIG_CPU_SB1
) += $(call cc-option
,-march
=sb1
,-march
=r5000
) \
165 cflags-
$(CONFIG_CPU_SB1
) += $(call cc-option
,-mno-mdmx
)
166 cflags-
$(CONFIG_CPU_SB1
) += $(call cc-option
,-mno-mips3d
)
167 cflags-
$(CONFIG_CPU_R10000
) += $(call cc-option
,-march
=r10000
,-march
=r8000
) \
169 cflags-
$(CONFIG_CPU_CAVIUM_OCTEON
) += $(call cc-option
,-march
=octeon
) -Wa
,--trap
170 ifeq (,$(findstring march
=octeon
, $(cflags-
$(CONFIG_CPU_CAVIUM_OCTEON
))))
171 cflags-
$(CONFIG_CPU_CAVIUM_OCTEON
) += -Wa
,-march
=octeon
173 cflags-
$(CONFIG_CAVIUM_CN63XXP1
) += -Wa
,-mfix-cn63xxp1
174 cflags-
$(CONFIG_CPU_BMIPS
) += -march
=mips32
-Wa
,-mips32
-Wa
,--trap
176 cflags-
$(CONFIG_CPU_R4000_WORKAROUNDS
) += $(call cc-option
,-mfix-r4000
,)
177 cflags-
$(CONFIG_CPU_R4400_WORKAROUNDS
) += $(call cc-option
,-mfix-r4400
,)
178 cflags-
$(CONFIG_CPU_DADDI_WORKAROUNDS
) += $(call cc-option
,-mno-daddi
,)
180 # For smartmips configurations, there are hundreds of warnings due to ISA overrides
181 # in assembly and header files. smartmips is only supported for MIPS32r1 onwards
182 # and there is no support for 64-bit. Various '.set mips2' or '.set mips3' or
183 # similar directives in the kernel will spam the build logs with the following warnings:
184 # Warning: the `smartmips' extension requires MIPS32 revision 1 or greater
186 # Warning: the 64-bit MIPS architecture does not support the `smartmips' extension
187 # Pass -Wa,--no-warn to disable all assembler warnings until the kernel code has
188 # been fixed properly.
189 mips-cflags
:= $(cflags-y
)
190 ifeq ($(CONFIG_CPU_HAS_SMARTMIPS
),y
)
191 smartmips-ase
:= $(call cc-option-yn
,$(mips-cflags
) -msmartmips
)
192 cflags-
$(smartmips-ase
) += -msmartmips
-Wa
,--no-warn
194 ifeq ($(CONFIG_CPU_MICROMIPS
),y
)
195 micromips-ase
:= $(call cc-option-yn
,$(mips-cflags
) -mmicromips
)
196 cflags-
$(micromips-ase
) += -mmicromips
198 ifeq ($(CONFIG_CPU_HAS_MSA
),y
)
199 toolchain-msa
:= $(call cc-option-yn
,$(mips-cflags
) -mhard-float
-mfp64
-Wa
$(comma
)-mmsa
)
200 cflags-
$(toolchain-msa
) += -DTOOLCHAIN_SUPPORTS_MSA
202 toolchain-virt
:= $(call cc-option-yn
,$(mips-cflags
) -mvirt
)
203 cflags-
$(toolchain-virt
) += -DTOOLCHAIN_SUPPORTS_VIRT
204 # For -mmicromips, use -Wa,-fatal-warnings to catch unsupported -mxpa which
206 xpa-cflags-y
:= $(mips-cflags
)
207 xpa-cflags-
$(micromips-ase
) += -mmicromips
-Wa
$(comma
)-fatal-warnings
208 toolchain-xpa
:= $(call cc-option-yn
,$(xpa-cflags-y
) -mxpa
)
209 cflags-
$(toolchain-xpa
) += -DTOOLCHAIN_SUPPORTS_XPA
210 toolchain-crc
:= $(call cc-option-yn
,$(mips-cflags
) -Wa
$(comma
)-mcrc
)
211 cflags-
$(toolchain-crc
) += -DTOOLCHAIN_SUPPORTS_CRC
212 toolchain-dsp
:= $(call cc-option-yn
,$(mips-cflags
) -Wa
$(comma
)-mdsp
)
213 cflags-
$(toolchain-dsp
) += -DTOOLCHAIN_SUPPORTS_DSP
214 toolchain-ginv
:= $(call cc-option-yn
,$(mips-cflags
) -Wa
$(comma
)-mginv
)
215 cflags-
$(toolchain-ginv
) += -DTOOLCHAIN_SUPPORTS_GINV
220 libs-
$(CONFIG_FW_ARC
) += arch
/mips
/fw
/arc
/
221 libs-
$(CONFIG_FW_CFE
) += arch
/mips
/fw
/cfe
/
222 libs-
$(CONFIG_FW_SNIPROM
) += arch
/mips
/fw
/sni
/
223 libs-y
+= arch
/mips
/fw
/lib
/
228 ifdef CONFIG_SYS_SUPPORTS_ZBOOT
229 COMPRESSION_FNAME
= vmlinuz
231 COMPRESSION_FNAME
= vmlinux
235 # Board-dependent options and extra files
237 include arch
/mips
/Kbuild.platforms
239 ifdef CONFIG_PHYSICAL_START
240 load-y
= $(CONFIG_PHYSICAL_START
)
243 entry-y
= $(shell $(objtree
)/arch
/mips
/tools
/elf-entry vmlinux
)
244 cflags-y
+= -I
$(srctree
)/arch
/mips
/include/asm
/mach-generic
245 drivers-
$(CONFIG_PCI
) += arch
/mips
/pci
/
248 # Automatically detect the build format. By default we choose
249 # the elf format according to the load address.
250 # We can always force a build with a 64-bits symbol format by
251 # passing 'KBUILD_SYM32=no' option to the make's command line.
255 ifeq ($(shell expr
$(load-y
) \
< 0xffffffff80000000), 0)
260 ifeq ($(KBUILD_SYM32
)$(call cc-option-yn
,-msym32
), yy
)
261 cflags-y
+= -msym32
-DKBUILD_64BIT_SYM32
263 ifeq ($(CONFIG_CPU_DADDI_WORKAROUNDS
), y
)
264 $(error CONFIG_CPU_DADDI_WORKAROUNDS unsupported without
-msym32
)
269 # When linking a 32-bit executable the LLVM linker cannot cope with a
270 # 32-bit load address that has been sign-extended to 64 bits. Simply
271 # remove the upper 32 bits then, as it is safe to do so with other
276 load-ld
= $(subst 0xffffffff,0x
,$(load-y
))
279 KBUILD_AFLAGS
+= $(cflags-y
)
280 KBUILD_CFLAGS
+= $(cflags-y
)
281 KBUILD_CPPFLAGS
+= -DVMLINUX_LOAD_ADDRESS
=$(load-y
) -DLINKER_LOAD_ADDRESS
=$(load-ld
)
282 KBUILD_CPPFLAGS
+= -DDATAOFFSET
=$(if
$(dataoffset-y
),$(dataoffset-y
),0)
284 bootvars-y
= VMLINUX_LOAD_ADDRESS
=$(load-y
) \
285 LINKER_LOAD_ADDRESS
=$(load-ld
) \
286 VMLINUX_ENTRY_ADDRESS
=$(entry-y
) \
287 PLATFORM
="$(platform-y)" \
288 ITS_INPUTS
="$(its-y)"
290 bootvars-y
+= ADDR_BITS
=32
293 bootvars-y
+= ADDR_BITS
=64
296 # This is required to get dwarf unwinding tables into .debug_frame
297 # instead of .eh_frame so we don't discard them.
298 KBUILD_CFLAGS
+= -fno-asynchronous-unwind-tables
300 KBUILD_LDFLAGS
+= -m
$(ld-emul
)
303 CHECKFLAGS
+= $(shell $(CC
) $(KBUILD_CFLAGS
) -dM
-E
-x c
/dev
/null | \
304 egrep
-vw
'__GNUC_(|MINOR_|PATCHLEVEL_)_' | \
305 sed
-e
"s/^\#define /-D'/" -e
"s/ /'='/" -e
"s/$$/'/" -e
's/\$$/&&/g')
308 OBJCOPYFLAGS
+= --remove-section
=.reginfo
310 head-y
:= arch
/mips
/kernel
/head.o
312 libs-y
+= arch
/mips
/lib
/
313 libs-
$(CONFIG_MIPS_FP_SUPPORT
) += arch
/mips
/math-emu
/
315 # See arch/mips/Kbuild for content of core part of the kernel
318 drivers-y
+= arch
/mips
/crypto
/
319 drivers-
$(CONFIG_OPROFILE
) += arch
/mips
/oprofile
/
321 # suspend and hibernation support
322 drivers-
$(CONFIG_PM
) += arch
/mips
/power
/
324 # boot image targets (arch/mips/boot/)
325 boot-y
:= vmlinux.bin
326 boot-y
+= vmlinux.ecoff
327 boot-y
+= vmlinux.srec
328 ifeq ($(shell expr
$(load-y
) \
< 0xffffffff80000000 2> /dev
/null
), 0)
333 boot-y
+= uImage.lzma
336 boot-y
+= vmlinux.itb
337 boot-y
+= vmlinux.gz.itb
338 boot-y
+= vmlinux.bz2.itb
339 boot-y
+= vmlinux.lzma.itb
340 boot-y
+= vmlinux.lzo.itb
342 # compressed boot image targets (arch/mips/boot/compressed/)
344 bootz-y
+= vmlinuz.bin
345 bootz-y
+= vmlinuz.ecoff
346 bootz-y
+= vmlinuz.srec
347 ifeq ($(shell expr
$(zload-y
) \
< 0xffffffff80000000 2> /dev
/null
), 0)
348 bootz-y
+= uzImage.bin
352 # Some machines like the Indy need 32-bit ELF binaries for booting purposes.
353 # Other need ECOFF, so we build a 32-bit ELF binary for them which we then
354 # convert to ECOFF using elf2ecoff.
356 quiet_cmd_32
= OBJCOPY
$@
357 cmd_32
= $(OBJCOPY
) -O
$(32bit-bfd
) $(OBJCOPYFLAGS
) $< $@
362 # The 64-bit ELF tools are pretty broken so at this time we generate 64-bit
363 # ELF files from 32-bit files by conversion.
365 quiet_cmd_64
= OBJCOPY
$@
366 cmd_64
= $(OBJCOPY
) -O
$(64bit-bfd
) $(OBJCOPYFLAGS
) $< $@
370 all: $(all-y
) $(KBUILD_DTBS
)
373 $(boot-y
): $(vmlinux-32
) FORCE
374 $(Q
)$(MAKE
) $(build
)=arch
/mips
/boot VMLINUX
=$(vmlinux-32
) \
375 $(bootvars-y
) arch
/mips
/boot
/$@
377 ifdef CONFIG_SYS_SUPPORTS_ZBOOT
379 $(bootz-y
): $(vmlinux-32
) FORCE
380 $(Q
)$(MAKE
) $(build
)=arch
/mips
/boot
/compressed \
381 $(bootvars-y
) 32bit-bfd
=$(32bit-bfd
) $@
384 @echo
' CONFIG_SYS_SUPPORTS_ZBOOT is not enabled'
389 CLEAN_FILES
+= vmlinux
.32 vmlinux
.64
392 core-y
+= arch
/mips
/boot
/dts
/
395 ifdef CONFIG_MIPS32_N32
396 @
$(kecho
) ' Checking missing-syscalls for N32'
397 $(Q
)$(MAKE
) $(build
)=. missing-syscalls missing_syscalls_flags
="-mabi=n32"
399 ifdef CONFIG_MIPS32_O32
400 @
$(kecho
) ' Checking missing-syscalls for O32'
401 $(Q
)$(MAKE
) $(build
)=. missing-syscalls missing_syscalls_flags
="-mabi=32"
405 $(Q
)install -D
-m
755 vmlinux
$(INSTALL_PATH
)/vmlinux-
$(KERNELRELEASE
)
406 ifdef CONFIG_SYS_SUPPORTS_ZBOOT
407 $(Q
)install -D
-m
755 vmlinuz
$(INSTALL_PATH
)/vmlinuz-
$(KERNELRELEASE
)
409 $(Q
)install -D
-m
644 .config
$(INSTALL_PATH
)/config-
$(KERNELRELEASE
)
410 $(Q
)install -D
-m
644 System.map
$(INSTALL_PATH
)/System.map-
$(KERNELRELEASE
)
413 $(Q
)$(MAKE
) $(clean)=arch
/mips
/boot
414 $(Q
)$(MAKE
) $(clean)=arch
/mips
/boot
/compressed
415 $(Q
)$(MAKE
) $(clean)=arch
/mips
/boot
/tools
418 $(Q
)$(MAKE
) $(build
)=arch
/mips
/kernel
/syscalls
all
421 echo
' install - install kernel into $(INSTALL_PATH)'
422 echo
' vmlinux.ecoff - ECOFF boot image'
423 echo
' vmlinux.bin - Raw binary boot image'
424 echo
' vmlinux.srec - SREC boot image'
425 echo
' vmlinux.32 - 64-bit boot image wrapped in 32bits (IP22/IP32)'
426 echo
' vmlinuz - Compressed boot(zboot) image'
427 echo
' vmlinuz.ecoff - ECOFF zboot image'
428 echo
' vmlinuz.bin - Raw binary zboot image'
429 echo
' vmlinuz.srec - SREC zboot image'
430 echo
' uImage - U-Boot image'
431 echo
' uImage.bin - U-Boot image (uncompressed)'
432 echo
' uImage.bz2 - U-Boot image (bz2)'
433 echo
' uImage.gz - U-Boot image (gzip)'
434 echo
' uImage.lzma - U-Boot image (lzma)'
435 echo
' uImage.lzo - U-Boot image (lzo)'
436 echo
' uzImage.bin - U-Boot image (self-extracting)'
438 echo
' These will be default as appropriate for a configured platform.'
440 echo
' If you are targeting a system supported by generic kernels you may'
441 echo
' configure the kernel for a given architecture target like so:'
443 echo
' {micro32,32,64}{r1,r2,r6}{el,}_defconfig <BOARDS="list of boards">'
445 echo
' Where BOARDS is some subset of the following:'
446 for board in
$(sort $(BOARDS
)); do echo
" $${board}"; done
448 echo
' Specifically the following generic default configurations are'
451 $(foreach cfg
,$(generic_defconfigs
),
452 printf
" %-24s - Build generic kernel for $(call describe_generic_defconfig,$(cfg))\n" $(cfg
);)
454 echo
' The following legacy default configurations have been converted to'
455 echo
' generic and can still be used:'
457 $(foreach cfg
,$(sort $(legacy_defconfigs
)),
458 printf
" %-24s - Build $($(cfg)-y)\n" $(cfg
);)
460 echo
' Otherwise, the following default configurations are available:'
463 generic_config_dir
= $(srctree
)/arch
/$(ARCH
)/configs
/generic
464 generic_defconfigs
:=
467 # If the user generates a generic kernel configuration without specifying a
468 # list of boards to include the config fragments for, default to including all
469 # available board config fragments.
472 BOARDS
= $(patsubst board-
%.config
,%,$(notdir $(wildcard $(generic_config_dir
)/board-
*.config
)))
476 # Generic kernel configurations which merge generic_defconfig with the
477 # appropriate config fragments from arch/mips/configs/generic/, resulting in
478 # the ability to easily configure the kernel for a given architecture,
479 # endianness & set of boards without duplicating the needed configuration in
480 # hundreds of defconfig files.
482 define gen_generic_defconfigs
483 $(foreach bits
,$(1),$(foreach rev
,$(2),$(foreach endian
,$(3),
484 target
:= $(bits
)$(rev
)$(filter el
,$(endian
))_defconfig
485 generic_defconfigs
+= $$(target
)
486 $$(target
): $(generic_config_dir
)/$(bits
)$(rev
).config
487 $$(target
): $(generic_config_dir
)/$(endian
).config
491 $(eval
$(call gen_generic_defconfigs
,32 64,r1 r2 r6
,eb el
))
492 $(eval
$(call gen_generic_defconfigs
,micro32
,r2
,eb el
))
494 define describe_generic_defconfig
495 $(subst 32r
,MIPS32 r
,$(subst 64r
,MIPS64 r
,$(subst el
, little endian
,$(patsubst %_defconfig
,%,$(1)))))
498 .PHONY
: $(generic_defconfigs
)
499 $(generic_defconfigs
):
500 $(Q
)$(CONFIG_SHELL
) $(srctree
)/scripts
/kconfig
/merge_config.sh \
501 -m
-O
$(objtree
) $(srctree
)/arch
/$(ARCH
)/configs
/generic_defconfig
$^ | \
503 $(Q
)cp
$(KCONFIG_CONFIG
) $(objtree
)/.config.
$@
504 $(Q
)$(MAKE
) -f
$(srctree
)/Makefile olddefconfig \
505 KCONFIG_CONFIG
=$(objtree
)/.config.
$@
>/dev
/null
506 $(Q
)$(CONFIG_SHELL
) $(srctree
)/arch
/$(ARCH
)/tools
/generic-board-config.sh \
507 $(srctree
) $(objtree
) $(objtree
)/.config.
$@
$(KCONFIG_CONFIG
) \
508 "$(origin BOARDS)" $(BOARDS
)
509 $(Q
)$(MAKE
) -f
$(srctree
)/Makefile olddefconfig
512 # Prevent generic merge_config rules attempting to merge single fragments
514 $(generic_config_dir
)/%.config
: ;
517 # Prevent direct use of generic_defconfig, which is intended to be used as the
518 # basis of the various ISA-specific targets generated above.
520 .PHONY
: generic_defconfig
522 $(Q
)echo
"generic_defconfig is not intended for direct use, but should instead be"
523 $(Q
)echo
"used via an ISA-specific target from the following list:"
525 $(Q
)for cfg in
$(generic_defconfigs
); do echo
" $${cfg}"; done
530 # Legacy defconfig compatibility - these targets used to be real defconfigs but
531 # now that the boards have been converted to use the generic kernel they are
532 # wrappers around the generic rules above.
534 legacy_defconfigs
+= ocelot_defconfig
535 ocelot_defconfig-y
:= 32r2el_defconfig BOARDS
=ocelot
537 legacy_defconfigs
+= sead3_defconfig
538 sead3_defconfig-y
:= 32r2el_defconfig BOARDS
=sead-3
540 legacy_defconfigs
+= sead3micro_defconfig
541 sead3micro_defconfig-y
:= micro32r2el_defconfig BOARDS
=sead-3
543 legacy_defconfigs
+= xilfpga_defconfig
544 xilfpga_defconfig-y
:= 32r2el_defconfig BOARDS
=xilfpga
546 .PHONY
: $(legacy_defconfigs
)
547 $(legacy_defconfigs
):
548 $(Q
)$(MAKE
) -f
$(srctree
)/Makefile
$($@
-y
)