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.
14 archscripts: scripts_basic
15 $(Q)$(MAKE) $(build)=arch/mips/tools elf-entry
16 ifeq ($(CONFIG_CPU_LOONGSON3_WORKAROUNDS),y)
17 $(Q)$(MAKE) $(build)=arch/mips/tools loongson3-llsc-check
19 $(Q)$(MAKE) $(build)=arch/mips/boot/tools relocs
21 KBUILD_DEFCONFIG := 32r2el_defconfig
25 # Select the object file format to substitute into the linker script.
27 ifdef CONFIG_CPU_LITTLE_ENDIAN
28 32bit-tool-archpref = mipsel
29 64bit-tool-archpref = mips64el
30 32bit-bfd = elf32-tradlittlemips
31 64bit-bfd = elf64-tradlittlemips
32 32bit-emul = elf32ltsmip
33 64bit-emul = elf64ltsmip
35 32bit-tool-archpref = mips
36 64bit-tool-archpref = mips64
37 32bit-bfd = elf32-tradbigmips
38 64bit-bfd = elf64-tradbigmips
39 32bit-emul = elf32btsmip
40 64bit-emul = elf64btsmip
44 tool-archpref = $(32bit-tool-archpref)
48 tool-archpref = $(64bit-tool-archpref)
53 ifeq ($(CROSS_COMPILE),)
54 CROSS_COMPILE := $(call cc-cross-prefix, $(tool-archpref)-linux- $(tool-archpref)-linux-gnu- $(tool-archpref)-unknown-linux-gnu-)
58 ifdef CONFIG_FUNCTION_GRAPH_TRACER
59 ifndef KBUILD_MCOUNT_RA_ADDRESS
60 ifeq ($(call cc-option-yn,-mmcount-ra-address), y)
61 cflags-y += -mmcount-ra-address -DKBUILD_MCOUNT_RA_ADDRESS
65 cflags-y += $(call cc-option, -mno-check-zero-division)
68 ld-emul = $(32bit-emul)
70 vmlinux-64 = vmlinux.64
76 ld-emul = $(64bit-emul)
77 vmlinux-32 = vmlinux.32
83 all-$(CONFIG_BOOT_ELF32) := $(vmlinux-32)
84 all-$(CONFIG_BOOT_ELF64) := $(vmlinux-64)
85 all-$(CONFIG_SYS_SUPPORTS_ZBOOT)+= vmlinuz
88 # GCC uses -G 0 -mabicalls -fpic as default. We don't want PIC in the kernel
89 # code since it only slows down the whole thing. At some point we might make
90 # use of global pointer optimizations but their use of $28 conflicts with
91 # the current pointer optimization.
93 # The DECStation requires an ECOFF kernel for remote booting, other MIPS
94 # machines may also. Since BFD is incredibly buggy with respect to
95 # crossformat linking we rely on the elf2ecoff tool for format conversion.
97 cflags-y += -G 0 -mno-abicalls -fno-pic -pipe
98 cflags-y += -msoft-float -Wa,-msoft-float
99 LDFLAGS_vmlinux += -G 0 -static -n -nostdlib
100 KBUILD_AFLAGS_MODULE += -mlong-calls
101 KBUILD_CFLAGS_MODULE += -mlong-calls
103 ifeq ($(CONFIG_RELOCATABLE),y)
104 LDFLAGS_vmlinux += --emit-relocs
107 cflags-y += -ffreestanding
109 cflags-$(CONFIG_CPU_BIG_ENDIAN) += -EB
110 cflags-$(CONFIG_CPU_LITTLE_ENDIAN) += -EL
112 cflags-$(CONFIG_SB1XXX_CORELIS) += $(call cc-option,-mno-sched-prolog) \
113 -fno-omit-frame-pointer
115 # Some distribution-specific toolchains might pass the -fstack-check
116 # option during the build, which adds a simple stack-probe at the beginning
117 # of every function. This stack probe is to ensure that there is enough
118 # stack space, else a SEGV is generated. This is not desirable for MIPS
119 # as kernel stacks are small, placed in unmapped virtual memory, and do not
120 # grow when overflowed. Especially on SGI IP27 platforms, this check will
121 # lead to a NULL pointer dereference in _raw_spin_lock_irq.
123 # In disassembly, this stack probe appears at the top of a function as:
124 # sd zero,<offset>(sp)
125 # Where <offset> is a negative value.
127 cflags-y += -fno-stack-check
129 # binutils from v2.35 when built with --enable-mips-fix-loongson3-llsc=yes,
130 # supports an -mfix-loongson3-llsc flag which emits a sync prior to each ll
131 # instruction to work around a CPU bug (see __SYNC_loongson3_war in asm/sync.h
132 # for a description).
134 # We disable this in order to prevent the assembler meddling with the
135 # instruction that labels refer to, ie. if we label an ll instruction:
139 # ...then with the assembler fix applied the label may actually point at a sync
140 # instruction inserted by the assembler, and if we were using the label in an
141 # exception table the table would no longer contain the address of the ll
144 # Avoid this by explicitly disabling that assembler behaviour.
146 cflags-y += $(call cc-option,-Wa$(comma)-mno-fix-loongson3-llsc,)
149 # CPU-dependent compiler/assembler options for optimization.
151 cflags-$(CONFIG_CPU_R3000) += -march=r3000
152 cflags-$(CONFIG_CPU_R4300) += -march=r4300 -Wa,--trap
153 cflags-$(CONFIG_CPU_R4X00) += -march=r4600 -Wa,--trap
154 cflags-$(CONFIG_CPU_TX49XX) += -march=r4600 -Wa,--trap
155 cflags-$(CONFIG_CPU_MIPS32_R1) += -march=mips32 -Wa,--trap
156 cflags-$(CONFIG_CPU_MIPS32_R2) += -march=mips32r2 -Wa,--trap
157 cflags-$(CONFIG_CPU_MIPS32_R5) += -march=mips32r5 -Wa,--trap -modd-spreg
158 cflags-$(CONFIG_CPU_MIPS32_R6) += -march=mips32r6 -Wa,--trap -modd-spreg
159 cflags-$(CONFIG_CPU_MIPS64_R1) += -march=mips64 -Wa,--trap
160 cflags-$(CONFIG_CPU_MIPS64_R2) += -march=mips64r2 -Wa,--trap
161 cflags-$(CONFIG_CPU_MIPS64_R5) += -march=mips64r5 -Wa,--trap
162 cflags-$(CONFIG_CPU_MIPS64_R6) += -march=mips64r6 -Wa,--trap
163 cflags-$(CONFIG_CPU_P5600) += -march=p5600 -Wa,--trap -modd-spreg
164 cflags-$(CONFIG_CPU_R5000) += -march=r5000 -Wa,--trap
165 cflags-$(CONFIG_CPU_R5500) += $(call cc-option,-march=r5500,-march=r5000) \
167 cflags-$(CONFIG_CPU_NEVADA) += $(call cc-option,-march=rm5200,-march=r5000) \
169 cflags-$(CONFIG_CPU_RM7000) += $(call cc-option,-march=rm7000,-march=r5000) \
171 cflags-$(CONFIG_CPU_SB1) += $(call cc-option,-march=sb1,-march=r5000) \
173 cflags-$(CONFIG_CPU_SB1) += $(call cc-option,-mno-mdmx)
174 cflags-$(CONFIG_CPU_SB1) += $(call cc-option,-mno-mips3d)
175 cflags-$(CONFIG_CPU_R10000) += $(call cc-option,-march=r10000,-march=r8000) \
177 cflags-$(CONFIG_CPU_CAVIUM_OCTEON) += $(call cc-option,-march=octeon) -Wa,--trap
178 ifeq (,$(findstring march=octeon, $(cflags-$(CONFIG_CPU_CAVIUM_OCTEON))))
179 cflags-$(CONFIG_CPU_CAVIUM_OCTEON) += -Wa,-march=octeon
181 cflags-$(CONFIG_CAVIUM_CN63XXP1) += -Wa,-mfix-cn63xxp1
182 cflags-$(CONFIG_CPU_BMIPS) += -march=mips32 -Wa,-mips32 -Wa,--trap
184 cflags-$(CONFIG_CPU_LOONGSON2E) += $(call cc-option,-march=loongson2e) -Wa,--trap
185 cflags-$(CONFIG_CPU_LOONGSON2F) += $(call cc-option,-march=loongson2f) -Wa,--trap
186 cflags-$(CONFIG_CPU_LOONGSON64) += $(call cc-option,-march=loongson3a,-march=mips64r2) -Wa,--trap
187 # Some -march= flags enable MMI instructions, and GCC complains about that
188 # support being enabled alongside -msoft-float. Thus explicitly disable MMI.
189 cflags-$(CONFIG_CPU_LOONGSON2EF) += $(call cc-option,-mno-loongson-mmi)
190 cflags-$(CONFIG_CPU_LOONGSON64) += $(call cc-option,-mno-loongson-mmi)
192 cflags-$(CONFIG_CPU_R4000_WORKAROUNDS) += $(call cc-option,-mfix-r4000,)
193 cflags-$(CONFIG_CPU_R4400_WORKAROUNDS) += $(call cc-option,-mfix-r4400,)
194 cflags-$(CONFIG_CPU_DADDI_WORKAROUNDS) += $(call cc-option,-mno-daddi,)
195 ifdef CONFIG_CPU_LOONGSON2F_WORKAROUNDS
196 cflags-$(CONFIG_CPU_NOP_WORKAROUNDS) += -Wa,-mfix-loongson2f-nop
197 cflags-$(CONFIG_CPU_JUMP_WORKAROUNDS) += -Wa,-mfix-loongson2f-jump
201 # Some versions of binutils, not currently mainline as of 2019/02/04, support
202 # an -mfix-loongson3-llsc flag which emits a sync prior to each ll instruction
203 # to work around a CPU bug (see __SYNC_loongson3_war in asm/sync.h for a
206 # We disable this in order to prevent the assembler meddling with the
207 # instruction that labels refer to, ie. if we label an ll instruction:
211 # ...then with the assembler fix applied the label may actually point at a sync
212 # instruction inserted by the assembler, and if we were using the label in an
213 # exception table the table would no longer contain the address of the ll
216 # Avoid this by explicitly disabling that assembler behaviour. If upstream
217 # binutils does not merge support for the flag then we can revisit & remove
218 # this later - for now it ensures vendor toolchains don't cause problems.
220 cflags-$(CONFIG_CPU_LOONGSON64) += $(call as-option,-Wa$(comma)-mno-fix-loongson3-llsc,)
222 # For smartmips configurations, there are hundreds of warnings due to ISA overrides
223 # in assembly and header files. smartmips is only supported for MIPS32r1 onwards
224 # and there is no support for 64-bit. Various '.set mips2' or '.set mips3' or
225 # similar directives in the kernel will spam the build logs with the following warnings:
226 # Warning: the `smartmips' extension requires MIPS32 revision 1 or greater
228 # Warning: the 64-bit MIPS architecture does not support the `smartmips' extension
229 # Pass -Wa,--no-warn to disable all assembler warnings until the kernel code has
230 # been fixed properly.
231 mips-cflags := $(cflags-y)
232 ifeq ($(CONFIG_CPU_HAS_SMARTMIPS),y)
233 smartmips-ase := $(call cc-option-yn,$(mips-cflags) -msmartmips)
234 cflags-$(smartmips-ase) += -msmartmips -Wa,--no-warn
236 ifeq ($(CONFIG_CPU_MICROMIPS),y)
237 micromips-ase := $(call cc-option-yn,$(mips-cflags) -mmicromips)
238 cflags-$(micromips-ase) += -mmicromips
240 ifeq ($(CONFIG_CPU_HAS_MSA),y)
241 toolchain-msa := $(call cc-option-yn,$(mips-cflags) -mhard-float -mfp64 -Wa$(comma)-mmsa)
242 cflags-$(toolchain-msa) += -DTOOLCHAIN_SUPPORTS_MSA
244 toolchain-virt := $(call cc-option-yn,$(mips-cflags) -mvirt)
245 cflags-$(toolchain-virt) += -DTOOLCHAIN_SUPPORTS_VIRT
246 # For -mmicromips, use -Wa,-fatal-warnings to catch unsupported -mxpa which
248 xpa-cflags-y := $(mips-cflags)
249 xpa-cflags-$(micromips-ase) += -mmicromips -Wa$(comma)-fatal-warnings
250 toolchain-xpa := $(call cc-option-yn,$(xpa-cflags-y) -mxpa)
251 cflags-$(toolchain-xpa) += -DTOOLCHAIN_SUPPORTS_XPA
252 toolchain-crc := $(call cc-option-yn,$(mips-cflags) -Wa$(comma)-mcrc)
253 cflags-$(toolchain-crc) += -DTOOLCHAIN_SUPPORTS_CRC
254 toolchain-dsp := $(call cc-option-yn,$(mips-cflags) -Wa$(comma)-mdsp)
255 cflags-$(toolchain-dsp) += -DTOOLCHAIN_SUPPORTS_DSP
256 toolchain-ginv := $(call cc-option-yn,$(mips-cflags) -Wa$(comma)-mginv)
257 cflags-$(toolchain-ginv) += -DTOOLCHAIN_SUPPORTS_GINV
262 libs-$(CONFIG_FW_ARC) += arch/mips/fw/arc/
263 libs-$(CONFIG_FW_CFE) += arch/mips/fw/cfe/
264 libs-$(CONFIG_FW_SNIPROM) += arch/mips/fw/sni/
265 libs-y += arch/mips/fw/lib/
270 ifdef CONFIG_SYS_SUPPORTS_ZBOOT
271 COMPRESSION_FNAME = vmlinuz
273 COMPRESSION_FNAME = vmlinux
277 # Board-dependent options and extra files
279 include $(srctree)/arch/mips/Kbuild.platforms
281 ifdef CONFIG_PHYSICAL_START
282 load-y = $(CONFIG_PHYSICAL_START)
285 entry-y = $(shell $(objtree)/arch/mips/tools/elf-entry vmlinux)
286 cflags-y += -I$(srctree)/arch/mips/include/asm/mach-generic
287 drivers-$(CONFIG_PCI) += arch/mips/pci/
290 # Automatically detect the build format. By default we choose
291 # the elf format according to the load address.
292 # We can always force a build with a 64-bits symbol format by
293 # passing 'KBUILD_SYM32=no' option to the make's command line.
297 ifeq ($(shell expr $(load-y) \< 0xffffffff80000000), 0)
302 ifeq ($(KBUILD_SYM32)$(call cc-option-yn,-msym32), yy)
303 cflags-y += -msym32 -DKBUILD_64BIT_SYM32
305 ifeq ($(CONFIG_CPU_DADDI_WORKAROUNDS), y)
306 $(error CONFIG_CPU_DADDI_WORKAROUNDS unsupported without -msym32)
311 # When linking a 32-bit executable the LLVM linker cannot cope with a
312 # 32-bit load address that has been sign-extended to 64 bits. Simply
313 # remove the upper 32 bits then, as it is safe to do so with other
318 load-ld = $(subst 0xffffffff,0x,$(load-y))
321 KBUILD_AFLAGS += $(cflags-y)
322 KBUILD_CFLAGS += $(cflags-y)
323 KBUILD_CPPFLAGS += -DVMLINUX_LOAD_ADDRESS=$(load-y) -DLINKER_LOAD_ADDRESS=$(load-ld)
324 KBUILD_CPPFLAGS += -DDATAOFFSET=$(if $(dataoffset-y),$(dataoffset-y),0)
326 bootvars-y = VMLINUX_LOAD_ADDRESS=$(load-y) \
327 LINKER_LOAD_ADDRESS=$(load-ld) \
328 VMLINUX_ENTRY_ADDRESS=$(entry-y) \
329 PLATFORM="$(platform-y)" \
330 ITS_INPUTS="$(its-y)"
332 bootvars-y += ADDR_BITS=32
335 bootvars-y += ADDR_BITS=64
338 # This is required to get dwarf unwinding tables into .debug_frame
339 # instead of .eh_frame so we don't discard them.
340 KBUILD_CFLAGS += -fno-asynchronous-unwind-tables
342 KBUILD_LDFLAGS += -m $(ld-emul)
345 CHECKFLAGS += $(shell $(CC) $(KBUILD_CPPFLAGS) $(KBUILD_CFLAGS) -dM -E -x c /dev/null | \
346 grep -E -vw '__GNUC_(MINOR_|PATCHLEVEL_)?_' | \
347 sed -e "s/^\#define /-D'/" -e "s/ /'='/" -e "s/$$/'/" -e 's/\$$/&&/g')
350 OBJCOPYFLAGS += --remove-section=.reginfo
352 libs-y += arch/mips/lib/
353 libs-$(CONFIG_MIPS_FP_SUPPORT) += arch/mips/math-emu/
355 drivers-y += arch/mips/crypto/
357 # suspend and hibernation support
358 drivers-$(CONFIG_PM) += arch/mips/power/
360 # boot image targets (arch/mips/boot/)
361 boot-y := vmlinux.bin
362 boot-y += vmlinux.ecoff
363 boot-y += vmlinux.srec
368 boot-y += uImage.lzma
370 boot-y += vmlinux.itb
371 boot-y += vmlinux.gz.itb
372 boot-y += vmlinux.bz2.itb
373 boot-y += vmlinux.lzma.itb
374 boot-y += vmlinux.lzo.itb
376 # compressed boot image targets (arch/mips/boot/compressed/)
378 bootz-y += vmlinuz.bin
379 bootz-y += vmlinuz.ecoff
380 bootz-y += vmlinuz.srec
381 bootz-y += uzImage.bin
382 bootz-y += vmlinuz.itb
385 # Some machines like the Indy need 32-bit ELF binaries for booting purposes.
386 # Other need ECOFF, so we build a 32-bit ELF binary for them which we then
387 # convert to ECOFF using elf2ecoff.
389 quiet_cmd_32 = OBJCOPY $@
390 cmd_32 = $(OBJCOPY) -O $(32bit-bfd) $(OBJCOPYFLAGS) $< $@
395 # The 64-bit ELF tools are pretty broken so at this time we generate 64-bit
396 # ELF files from 32-bit files by conversion.
398 quiet_cmd_64 = OBJCOPY $@
399 cmd_64 = $(OBJCOPY) -O $(64bit-bfd) $(OBJCOPYFLAGS) $< $@
403 all: $(all-y) $(KBUILD_DTBS)
406 $(boot-y): $(vmlinux-32) FORCE
407 $(Q)$(MAKE) $(build)=arch/mips/boot VMLINUX=$(vmlinux-32) \
408 $(bootvars-y) arch/mips/boot/$@
410 ifdef CONFIG_SYS_SUPPORTS_ZBOOT
412 $(bootz-y): $(vmlinux-32) FORCE
413 $(Q)$(MAKE) $(build)=arch/mips/boot/compressed \
414 $(bootvars-y) 32bit-bfd=$(32bit-bfd) arch/mips/boot/$@
417 @echo ' CONFIG_SYS_SUPPORTS_ZBOOT is not enabled'
422 CLEAN_FILES += vmlinux.32 vmlinux.64
425 core-y += arch/mips/boot/dts/
428 ifdef CONFIG_MIPS32_N32
429 @$(kecho) ' Checking missing-syscalls for N32'
430 $(Q)$(MAKE) $(build)=. missing-syscalls missing_syscalls_flags="-mabi=n32"
432 ifdef CONFIG_MIPS32_O32
433 @$(kecho) ' Checking missing-syscalls for O32'
434 $(Q)$(MAKE) $(build)=. missing-syscalls missing_syscalls_flags="-mabi=32"
438 $(Q)install -D -m 755 vmlinux $(INSTALL_PATH)/vmlinux-$(KERNELRELEASE)
439 ifdef CONFIG_SYS_SUPPORTS_ZBOOT
440 $(Q)install -D -m 755 vmlinuz $(INSTALL_PATH)/vmlinuz-$(KERNELRELEASE)
442 $(Q)install -D -m 644 .config $(INSTALL_PATH)/config-$(KERNELRELEASE)
443 $(Q)install -D -m 644 System.map $(INSTALL_PATH)/System.map-$(KERNELRELEASE)
446 $(Q)$(MAKE) $(build)=arch/mips/kernel/syscalls all
449 echo ' install - install kernel into $(INSTALL_PATH)'
450 echo ' vmlinux.ecoff - ECOFF boot image'
451 echo ' vmlinux.bin - Raw binary boot image'
452 echo ' vmlinux.srec - SREC boot image'
453 echo ' vmlinux.32 - 64-bit boot image wrapped in 32bits (IP22/IP32)'
454 echo ' vmlinuz - Compressed boot(zboot) image'
455 echo ' vmlinuz.ecoff - ECOFF zboot image'
456 echo ' vmlinuz.bin - Raw binary zboot image'
457 echo ' vmlinuz.srec - SREC zboot image'
458 echo ' uImage - U-Boot image'
459 echo ' uImage.bin - U-Boot image (uncompressed)'
460 echo ' uImage.bz2 - U-Boot image (bz2)'
461 echo ' uImage.gz - U-Boot image (gzip)'
462 echo ' uImage.lzma - U-Boot image (lzma)'
463 echo ' uImage.lzo - U-Boot image (lzo)'
464 echo ' uzImage.bin - U-Boot image (self-extracting)'
466 echo ' These will be default as appropriate for a configured platform.'
468 echo ' If you are targeting a system supported by generic kernels you may'
469 echo ' configure the kernel for a given architecture target like so:'
471 echo ' {micro32,32,64}{r1,r2,r6}{el,}_defconfig <BOARDS="list of boards">'
473 echo ' Where BOARDS is some subset of the following:'
474 for board in $(sort $(BOARDS)); do echo " $${board}"; done
476 echo ' Specifically the following generic default configurations are'
479 $(foreach cfg,$(generic_defconfigs),
480 printf " %-24s - Build generic kernel for $(call describe_generic_defconfig,$(cfg))\n" $(cfg);)
482 echo ' The following legacy default configurations have been converted to'
483 echo ' generic and can still be used:'
485 $(foreach cfg,$(sort $(legacy_defconfigs)),
486 printf " %-24s - Build $($(cfg)-y)\n" $(cfg);)
488 echo ' Otherwise, the following default configurations are available:'
491 generic_config_dir = $(srctree)/arch/$(ARCH)/configs/generic
492 generic_defconfigs :=
495 # If the user generates a generic kernel configuration without specifying a
496 # list of boards to include the config fragments for, default to including all
497 # available board config fragments.
500 BOARDS = $(patsubst board-%.config,%,$(notdir $(wildcard $(generic_config_dir)/board-*.config)))
504 # Generic kernel configurations which merge generic_defconfig with the
505 # appropriate config fragments from arch/mips/configs/generic/, resulting in
506 # the ability to easily configure the kernel for a given architecture,
507 # endianness & set of boards without duplicating the needed configuration in
508 # hundreds of defconfig files.
510 define gen_generic_defconfigs
511 $(foreach bits,$(1),$(foreach rev,$(2),$(foreach endian,$(3),
512 target := $(bits)$(rev)$(filter el,$(endian))_defconfig
513 generic_defconfigs += $$(target)
514 $$(target): $(generic_config_dir)/$(bits)$(rev).config
515 $$(target): $(generic_config_dir)/$(endian).config
519 $(eval $(call gen_generic_defconfigs,32 64,r1 r2 r6,eb el))
520 $(eval $(call gen_generic_defconfigs,micro32,r2,eb el))
522 define describe_generic_defconfig
523 $(subst 32r,MIPS32 r,$(subst 64r,MIPS64 r,$(subst el, little endian,$(patsubst %_defconfig,%,$(1)))))
526 .PHONY: $(generic_defconfigs)
527 $(generic_defconfigs):
528 $(Q)$(CONFIG_SHELL) $(srctree)/scripts/kconfig/merge_config.sh \
529 -m -O $(objtree) $(srctree)/arch/$(ARCH)/configs/generic_defconfig $^ | \
531 $(Q)cp $(KCONFIG_CONFIG) $(objtree)/.config.$@
532 $(Q)$(MAKE) -f $(srctree)/Makefile olddefconfig \
533 KCONFIG_CONFIG=$(objtree)/.config.$@ >/dev/null
534 $(Q)$(CONFIG_SHELL) $(srctree)/arch/$(ARCH)/tools/generic-board-config.sh \
535 $(srctree) $(objtree) $(objtree)/.config.$@ $(KCONFIG_CONFIG) \
536 "$(origin BOARDS)" $(BOARDS)
537 $(Q)$(MAKE) -f $(srctree)/Makefile olddefconfig
540 # Prevent generic merge_config rules attempting to merge single fragments
542 $(generic_config_dir)/%.config: ;
545 # Prevent direct use of generic_defconfig, which is intended to be used as the
546 # basis of the various ISA-specific targets generated above.
548 .PHONY: generic_defconfig
550 $(Q)echo "generic_defconfig is not intended for direct use, but should instead be"
551 $(Q)echo "used via an ISA-specific target from the following list:"
553 $(Q)for cfg in $(generic_defconfigs); do echo " $${cfg}"; done
558 # Legacy defconfig compatibility - these targets used to be real defconfigs but
559 # now that the boards have been converted to use the generic kernel they are
560 # wrappers around the generic rules above.
562 legacy_defconfigs += ocelot_defconfig
563 ocelot_defconfig-y := 32r2el_defconfig BOARDS=ocelot
565 legacy_defconfigs += sead3_defconfig
566 sead3_defconfig-y := 32r2el_defconfig BOARDS=sead-3
568 legacy_defconfigs += sead3micro_defconfig
569 sead3micro_defconfig-y := micro32r2el_defconfig BOARDS=sead-3
571 legacy_defconfigs += xilfpga_defconfig
572 xilfpga_defconfig-y := 32r2el_defconfig BOARDS=xilfpga
574 legacy_defconfigs += pistachio_defconfig
575 pistachio_defconfig-y := 32r2el_defconfig BOARDS=marduk
577 .PHONY: $(legacy_defconfigs)
578 $(legacy_defconfigs):
579 $(Q)$(MAKE) -f $(srctree)/Makefile $($@-y)