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 15archscripts: scripts_basic 16 $(Q)$(MAKE) $(build)=arch/mips/boot/tools relocs 17 18KBUILD_DEFCONFIG := ip22_defconfig 19 20# 21# Select the object file format to substitute into the linker script. 22# 23ifdef CONFIG_CPU_LITTLE_ENDIAN 2432bit-tool-archpref = mipsel 2564bit-tool-archpref = mips64el 2632bit-bfd = elf32-tradlittlemips 2764bit-bfd = elf64-tradlittlemips 2832bit-emul = elf32ltsmip 2964bit-emul = elf64ltsmip 30else 3132bit-tool-archpref = mips 3264bit-tool-archpref = mips64 3332bit-bfd = elf32-tradbigmips 3464bit-bfd = elf64-tradbigmips 3532bit-emul = elf32btsmip 3664bit-emul = elf64btsmip 37endif 38 39ifdef CONFIG_32BIT 40tool-archpref = $(32bit-tool-archpref) 41UTS_MACHINE := mips 42endif 43ifdef CONFIG_64BIT 44tool-archpref = $(64bit-tool-archpref) 45UTS_MACHINE := mips64 46endif 47 48ifneq ($(SUBARCH),$(ARCH)) 49 ifeq ($(CROSS_COMPILE),) 50 CROSS_COMPILE := $(call cc-cross-prefix, $(tool-archpref)-linux- $(tool-archpref)-linux-gnu- $(tool-archpref)-unknown-linux-gnu-) 51 endif 52endif 53 54ifdef CONFIG_FUNCTION_GRAPH_TRACER 55 ifndef KBUILD_MCOUNT_RA_ADDRESS 56 ifeq ($(call cc-option-yn,-mmcount-ra-address), y) 57 cflags-y += -mmcount-ra-address -DKBUILD_MCOUNT_RA_ADDRESS 58 endif 59 endif 60endif 61cflags-y += $(call cc-option, -mno-check-zero-division) 62 63ifdef CONFIG_32BIT 64ld-emul = $(32bit-emul) 65vmlinux-32 = vmlinux 66vmlinux-64 = vmlinux.64 67 68cflags-y += -mabi=32 69endif 70 71ifdef CONFIG_64BIT 72ld-emul = $(64bit-emul) 73vmlinux-32 = vmlinux.32 74vmlinux-64 = vmlinux 75 76cflags-y += -mabi=64 77endif 78 79all-$(CONFIG_BOOT_ELF32) := $(vmlinux-32) 80all-$(CONFIG_BOOT_ELF64) := $(vmlinux-64) 81all-$(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 $28 conflicts with 87# the current pointer optimization. 88# 89# The DECStation requires an ECOFF kernel for remote booting, other MIPS 90# machines may also. Since BFD is incredibly buggy with respect to 91# crossformat linking we rely on the elf2ecoff tool for format conversion. 92# 93cflags-y += -G 0 -mno-abicalls -fno-pic -pipe 94cflags-y += -msoft-float 95LDFLAGS_vmlinux += -G 0 -static -n -nostdlib 96KBUILD_AFLAGS_MODULE += -mlong-calls 97KBUILD_CFLAGS_MODULE += -mlong-calls 98 99ifeq ($(CONFIG_RELOCATABLE),y) 100LDFLAGS_vmlinux += --emit-relocs 101endif 102 103# 104# pass -msoft-float to GAS if it supports it. However on newer binutils 105# (specifically newer than 2.24.51.20140728) we then also need to explicitly 106# set ".set hardfloat" in all files which manipulate floating point registers. 107# 108ifneq ($(call as-option,-Wa$(comma)-msoft-float,),) 109 cflags-y += -DGAS_HAS_SET_HARDFLOAT -Wa,-msoft-float 110endif 111 112cflags-y += -ffreestanding 113 114# 115# We explicitly add the endianness specifier if needed, this allows 116# to compile kernels with a toolchain for the other endianness. We 117# carefully avoid to add it redundantly because gcc 3.3/3.4 complains 118# when fed the toolchain default! 119# 120# Certain gcc versions up to gcc 4.1.1 (probably 4.2-subversion as of 121# 2006-10-10 don't properly change the predefined symbols if -EB / -EL 122# are used, so we kludge that here. A bug has been filed at 123# http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29413. 124# 125undef-all += -UMIPSEB -U_MIPSEB -U__MIPSEB -U__MIPSEB__ 126undef-all += -UMIPSEL -U_MIPSEL -U__MIPSEL -U__MIPSEL__ 127predef-be += -DMIPSEB -D_MIPSEB -D__MIPSEB -D__MIPSEB__ 128predef-le += -DMIPSEL -D_MIPSEL -D__MIPSEL -D__MIPSEL__ 129cflags-$(CONFIG_CPU_BIG_ENDIAN) += $(shell $(CC) -dumpmachine |grep -q 'mips.*el-.*' && echo -EB $(undef-all) $(predef-be)) 130cflags-$(CONFIG_CPU_LITTLE_ENDIAN) += $(shell $(CC) -dumpmachine |grep -q 'mips.*el-.*' || echo -EL $(undef-all) $(predef-le)) 131 132cflags-$(CONFIG_SB1XXX_CORELIS) += $(call cc-option,-mno-sched-prolog) \ 133 -fno-omit-frame-pointer 134 135# Some distribution-specific toolchains might pass the -fstack-check 136# option during the build, which adds a simple stack-probe at the beginning 137# of every function. This stack probe is to ensure that there is enough 138# stack space, else a SEGV is generated. This is not desirable for MIPS 139# as kernel stacks are small, placed in unmapped virtual memory, and do not 140# grow when overflowed. Especially on SGI IP27 platforms, this check will 141# lead to a NULL pointer dereference in _raw_spin_lock_irq. 142# 143# In disassembly, this stack probe appears at the top of a function as: 144# sd zero,<offset>(sp) 145# Where <offset> is a negative value. 146# 147cflags-y += -fno-stack-check 148 149# 150# CPU-dependent compiler/assembler options for optimization. 151# 152cflags-$(CONFIG_CPU_R3000) += -march=r3000 153cflags-$(CONFIG_CPU_TX39XX) += -march=r3900 154cflags-$(CONFIG_CPU_R4300) += -march=r4300 -Wa,--trap 155cflags-$(CONFIG_CPU_VR41XX) += -march=r4100 -Wa,--trap 156cflags-$(CONFIG_CPU_R4X00) += -march=r4600 -Wa,--trap 157cflags-$(CONFIG_CPU_TX49XX) += -march=r4600 -Wa,--trap 158cflags-$(CONFIG_CPU_MIPS32_R1) += $(call cc-option,-march=mips32,-mips32 -U_MIPS_ISA -D_MIPS_ISA=_MIPS_ISA_MIPS32) \ 159 -Wa,-mips32 -Wa,--trap 160cflags-$(CONFIG_CPU_MIPS32_R2) += $(call cc-option,-march=mips32r2,-mips32r2 -U_MIPS_ISA -D_MIPS_ISA=_MIPS_ISA_MIPS32) \ 161 -Wa,-mips32r2 -Wa,--trap 162cflags-$(CONFIG_CPU_MIPS32_R6) += -march=mips32r6 -Wa,--trap -modd-spreg 163cflags-$(CONFIG_CPU_MIPS64_R1) += $(call cc-option,-march=mips64,-mips64 -U_MIPS_ISA -D_MIPS_ISA=_MIPS_ISA_MIPS64) \ 164 -Wa,-mips64 -Wa,--trap 165cflags-$(CONFIG_CPU_MIPS64_R2) += $(call cc-option,-march=mips64r2,-mips64r2 -U_MIPS_ISA -D_MIPS_ISA=_MIPS_ISA_MIPS64) \ 166 -Wa,-mips64r2 -Wa,--trap 167cflags-$(CONFIG_CPU_MIPS64_R6) += -march=mips64r6 -Wa,--trap 168cflags-$(CONFIG_CPU_R5000) += -march=r5000 -Wa,--trap 169cflags-$(CONFIG_CPU_R5432) += $(call cc-option,-march=r5400,-march=r5000) \ 170 -Wa,--trap 171cflags-$(CONFIG_CPU_R5500) += $(call cc-option,-march=r5500,-march=r5000) \ 172 -Wa,--trap 173cflags-$(CONFIG_CPU_NEVADA) += $(call cc-option,-march=rm5200,-march=r5000) \ 174 -Wa,--trap 175cflags-$(CONFIG_CPU_RM7000) += $(call cc-option,-march=rm7000,-march=r5000) \ 176 -Wa,--trap 177cflags-$(CONFIG_CPU_SB1) += $(call cc-option,-march=sb1,-march=r5000) \ 178 -Wa,--trap 179cflags-$(CONFIG_CPU_SB1) += $(call cc-option,-mno-mdmx) 180cflags-$(CONFIG_CPU_SB1) += $(call cc-option,-mno-mips3d) 181cflags-$(CONFIG_CPU_R8000) += -march=r8000 -Wa,--trap 182cflags-$(CONFIG_CPU_R10000) += $(call cc-option,-march=r10000,-march=r8000) \ 183 -Wa,--trap 184cflags-$(CONFIG_CPU_CAVIUM_OCTEON) += $(call cc-option,-march=octeon) -Wa,--trap 185ifeq (,$(findstring march=octeon, $(cflags-$(CONFIG_CPU_CAVIUM_OCTEON)))) 186cflags-$(CONFIG_CPU_CAVIUM_OCTEON) += -Wa,-march=octeon 187endif 188cflags-$(CONFIG_CAVIUM_CN63XXP1) += -Wa,-mfix-cn63xxp1 189cflags-$(CONFIG_CPU_BMIPS) += -march=mips32 -Wa,-mips32 -Wa,--trap 190 191cflags-$(CONFIG_CPU_R4000_WORKAROUNDS) += $(call cc-option,-mfix-r4000,) 192cflags-$(CONFIG_CPU_R4400_WORKAROUNDS) += $(call cc-option,-mfix-r4400,) 193cflags-$(CONFIG_CPU_DADDI_WORKAROUNDS) += $(call cc-option,-mno-daddi,) 194 195# For smartmips configurations, there are hundreds of warnings due to ISA overrides 196# in assembly and header files. smartmips is only supported for MIPS32r1 onwards 197# and there is no support for 64-bit. Various '.set mips2' or '.set mips3' or 198# similar directives in the kernel will spam the build logs with the following warnings: 199# Warning: the `smartmips' extension requires MIPS32 revision 1 or greater 200# or 201# Warning: the 64-bit MIPS architecture does not support the `smartmips' extension 202# Pass -Wa,--no-warn to disable all assembler warnings until the kernel code has 203# been fixed properly. 204mips-cflags := $(cflags-y) 205ifeq ($(CONFIG_CPU_HAS_SMARTMIPS),y) 206smartmips-ase := $(call cc-option-yn,$(mips-cflags) -msmartmips) 207cflags-$(smartmips-ase) += -msmartmips -Wa,--no-warn 208endif 209ifeq ($(CONFIG_CPU_MICROMIPS),y) 210micromips-ase := $(call cc-option-yn,$(mips-cflags) -mmicromips) 211cflags-$(micromips-ase) += -mmicromips 212endif 213ifeq ($(CONFIG_CPU_HAS_MSA),y) 214toolchain-msa := $(call cc-option-yn,$(mips-cflags) -mhard-float -mfp64 -Wa$(comma)-mmsa) 215cflags-$(toolchain-msa) += -DTOOLCHAIN_SUPPORTS_MSA 216endif 217toolchain-virt := $(call cc-option-yn,$(mips-cflags) -mvirt) 218cflags-$(toolchain-virt) += -DTOOLCHAIN_SUPPORTS_VIRT 219 220# 221# Firmware support 222# 223libs-$(CONFIG_FW_ARC) += arch/mips/fw/arc/ 224libs-$(CONFIG_FW_CFE) += arch/mips/fw/cfe/ 225libs-$(CONFIG_FW_SNIPROM) += arch/mips/fw/sni/ 226libs-y += arch/mips/fw/lib/ 227 228# 229# Kernel compression 230# 231ifdef SYS_SUPPORTS_ZBOOT 232COMPRESSION_FNAME = vmlinuz 233else 234COMPRESSION_FNAME = vmlinux 235endif 236 237# 238# Board-dependent options and extra files 239# 240include arch/mips/Kbuild.platforms 241 242ifdef CONFIG_PHYSICAL_START 243load-y = $(CONFIG_PHYSICAL_START) 244endif 245 246entry-noisa-y = 0x$(shell $(NM) vmlinux 2>/dev/null \ 247 | grep "\bkernel_entry\b" | cut -f1 -d \ ) 248ifdef CONFIG_CPU_MICROMIPS 249 # 250 # Set the ISA bit, since the kernel_entry symbol in the ELF will have it 251 # clear which would lead to images containing addresses which bootloaders may 252 # jump to as MIPS32 code. 253 # 254 entry-y = $(patsubst %0,%1,$(patsubst %2,%3,$(patsubst %4,%5, \ 255 $(patsubst %6,%7,$(patsubst %8,%9,$(patsubst %a,%b, \ 256 $(patsubst %c,%d,$(patsubst %e,%f,$(entry-noisa-y))))))))) 257else 258 entry-y = $(entry-noisa-y) 259endif 260 261cflags-y += -I$(srctree)/arch/mips/include/asm/mach-generic 262drivers-$(CONFIG_PCI) += arch/mips/pci/ 263 264# 265# Automatically detect the build format. By default we choose 266# the elf format according to the load address. 267# We can always force a build with a 64-bits symbol format by 268# passing 'KBUILD_SYM32=no' option to the make's command line. 269# 270ifdef CONFIG_64BIT 271 ifndef KBUILD_SYM32 272 ifeq ($(shell expr $(load-y) \< 0xffffffff80000000), 0) 273 KBUILD_SYM32 = y 274 endif 275 endif 276 277 ifeq ($(KBUILD_SYM32)$(call cc-option-yn,-msym32), yy) 278 cflags-y += -msym32 -DKBUILD_64BIT_SYM32 279 else 280 ifeq ($(CONFIG_CPU_DADDI_WORKAROUNDS), y) 281 $(error CONFIG_CPU_DADDI_WORKAROUNDS unsupported without -msym32) 282 endif 283 endif 284endif 285 286KBUILD_AFLAGS += $(cflags-y) 287KBUILD_CFLAGS += $(cflags-y) 288KBUILD_CPPFLAGS += -DVMLINUX_LOAD_ADDRESS=$(load-y) 289KBUILD_CPPFLAGS += -DDATAOFFSET=$(if $(dataoffset-y),$(dataoffset-y),0) 290 291bootvars-y = VMLINUX_LOAD_ADDRESS=$(load-y) \ 292 VMLINUX_ENTRY_ADDRESS=$(entry-y) \ 293 PLATFORM="$(platform-y)" \ 294 ITS_INPUTS="$(its-y)" 295ifdef CONFIG_32BIT 296bootvars-y += ADDR_BITS=32 297endif 298ifdef CONFIG_64BIT 299bootvars-y += ADDR_BITS=64 300endif 301 302# This is required to get dwarf unwinding tables into .debug_frame 303# instead of .eh_frame so we don't discard them. 304KBUILD_CFLAGS += -fno-asynchronous-unwind-tables 305 306LDFLAGS += -m $(ld-emul) 307 308ifdef CONFIG_MIPS 309CHECKFLAGS += $(shell $(CC) $(KBUILD_CFLAGS) -dM -E -x c /dev/null | \ 310 egrep -vw '__GNUC_(|MINOR_|PATCHLEVEL_)_' | \ 311 sed -e "s/^\#define /-D'/" -e "s/ /'='/" -e "s/$$/'/" -e 's/\$$/&&/g') 312ifdef CONFIG_64BIT 313CHECKFLAGS += -m64 314endif 315endif 316 317OBJCOPYFLAGS += --remove-section=.reginfo 318 319head-y := arch/mips/kernel/head.o 320 321libs-y += arch/mips/lib/ 322libs-y += arch/mips/math-emu/ 323 324# See arch/mips/Kbuild for content of core part of the kernel 325core-y += arch/mips/ 326 327drivers-$(CONFIG_OPROFILE) += arch/mips/oprofile/ 328 329# suspend and hibernation support 330drivers-$(CONFIG_PM) += arch/mips/power/ 331 332# boot image targets (arch/mips/boot/) 333boot-y := vmlinux.bin 334boot-y += vmlinux.ecoff 335boot-y += vmlinux.srec 336ifeq ($(shell expr $(load-y) \< 0xffffffff80000000 2> /dev/null), 0) 337boot-y += uImage 338boot-y += uImage.bin 339boot-y += uImage.bz2 340boot-y += uImage.gz 341boot-y += uImage.lzma 342boot-y += uImage.lzo 343endif 344boot-y += vmlinux.itb 345boot-y += vmlinux.gz.itb 346boot-y += vmlinux.bz2.itb 347boot-y += vmlinux.lzma.itb 348boot-y += vmlinux.lzo.itb 349 350# compressed boot image targets (arch/mips/boot/compressed/) 351bootz-y := vmlinuz 352bootz-y += vmlinuz.bin 353bootz-y += vmlinuz.ecoff 354bootz-y += vmlinuz.srec 355ifeq ($(shell expr $(zload-y) \< 0xffffffff80000000 2> /dev/null), 0) 356bootz-y += uzImage.bin 357endif 358 359ifdef CONFIG_LASAT 360rom.bin rom.sw: vmlinux 361 $(Q)$(MAKE) $(build)=arch/mips/lasat/image \ 362 $(bootvars-y) $@ 363endif 364 365# 366# Some machines like the Indy need 32-bit ELF binaries for booting purposes. 367# Other need ECOFF, so we build a 32-bit ELF binary for them which we then 368# convert to ECOFF using elf2ecoff. 369# 370quiet_cmd_32 = OBJCOPY $@ 371 cmd_32 = $(OBJCOPY) -O $(32bit-bfd) $(OBJCOPYFLAGS) $< $@ 372vmlinux.32: vmlinux 373 $(call cmd,32) 374 375# 376# The 64-bit ELF tools are pretty broken so at this time we generate 64-bit 377# ELF files from 32-bit files by conversion. 378# 379quiet_cmd_64 = OBJCOPY $@ 380 cmd_64 = $(OBJCOPY) -O $(64bit-bfd) $(OBJCOPYFLAGS) $< $@ 381vmlinux.64: vmlinux 382 $(call cmd,64) 383 384all: $(all-y) 385 386# boot 387$(boot-y): $(vmlinux-32) FORCE 388 $(Q)$(MAKE) $(build)=arch/mips/boot VMLINUX=$(vmlinux-32) \ 389 $(bootvars-y) arch/mips/boot/$@ 390 391ifdef CONFIG_SYS_SUPPORTS_ZBOOT 392# boot/compressed 393$(bootz-y): $(vmlinux-32) FORCE 394 $(Q)$(MAKE) $(build)=arch/mips/boot/compressed \ 395 $(bootvars-y) 32bit-bfd=$(32bit-bfd) $@ 396else 397vmlinuz: FORCE 398 @echo ' CONFIG_SYS_SUPPORTS_ZBOOT is not enabled' 399 /bin/false 400endif 401 402 403CLEAN_FILES += vmlinux.32 vmlinux.64 404 405# device-trees 406core-$(CONFIG_BUILTIN_DTB) += arch/mips/boot/dts/ 407 408%.dtb %.dtb.S %.dtb.o: | scripts 409 $(Q)$(MAKE) $(build)=arch/mips/boot/dts arch/mips/boot/dts/$@ 410 411PHONY += dtbs 412dtbs: scripts 413 $(Q)$(MAKE) $(build)=arch/mips/boot/dts 414 415PHONY += dtbs_install 416dtbs_install: 417 $(Q)$(MAKE) $(dtbinst)=arch/mips/boot/dts 418 419archprepare: 420ifdef CONFIG_MIPS32_N32 421 @$(kecho) ' Checking missing-syscalls for N32' 422 $(Q)$(MAKE) $(build)=. missing-syscalls missing_syscalls_flags="-mabi=n32" 423endif 424ifdef CONFIG_MIPS32_O32 425 @$(kecho) ' Checking missing-syscalls for O32' 426 $(Q)$(MAKE) $(build)=. missing-syscalls missing_syscalls_flags="-mabi=32" 427endif 428 429install: 430 $(Q)install -D -m 755 vmlinux $(INSTALL_PATH)/vmlinux-$(KERNELRELEASE) 431ifdef CONFIG_SYS_SUPPORTS_ZBOOT 432 $(Q)install -D -m 755 vmlinuz $(INSTALL_PATH)/vmlinuz-$(KERNELRELEASE) 433endif 434 $(Q)install -D -m 644 .config $(INSTALL_PATH)/config-$(KERNELRELEASE) 435 $(Q)install -D -m 644 System.map $(INSTALL_PATH)/System.map-$(KERNELRELEASE) 436 437archclean: 438 $(Q)$(MAKE) $(clean)=arch/mips/boot 439 $(Q)$(MAKE) $(clean)=arch/mips/boot/compressed 440 $(Q)$(MAKE) $(clean)=arch/mips/boot/tools 441 $(Q)$(MAKE) $(clean)=arch/mips/lasat 442 443define archhelp 444 echo ' install - install kernel into $(INSTALL_PATH)' 445 echo ' vmlinux.ecoff - ECOFF boot image' 446 echo ' vmlinux.bin - Raw binary boot image' 447 echo ' vmlinux.srec - SREC boot image' 448 echo ' vmlinux.32 - 64-bit boot image wrapped in 32bits (IP22/IP32)' 449 echo ' vmlinuz - Compressed boot(zboot) image' 450 echo ' vmlinuz.ecoff - ECOFF zboot image' 451 echo ' vmlinuz.bin - Raw binary zboot image' 452 echo ' vmlinuz.srec - SREC zboot image' 453 echo ' uImage - U-Boot image' 454 echo ' uImage.bin - U-Boot image (uncompressed)' 455 echo ' uImage.bz2 - U-Boot image (bz2)' 456 echo ' uImage.gz - U-Boot image (gzip)' 457 echo ' uImage.lzma - U-Boot image (lzma)' 458 echo ' uImage.lzo - U-Boot image (lzo)' 459 echo ' uzImage.bin - U-Boot image (self-extracting)' 460 echo ' dtbs - Device-tree blobs for enabled boards' 461 echo ' dtbs_install - Install dtbs to $(INSTALL_DTBS_PATH)' 462 echo 463 echo ' These will be default as appropriate for a configured platform.' 464 echo 465 echo ' If you are targeting a system supported by generic kernels you may' 466 echo ' configure the kernel for a given architecture target like so:' 467 echo 468 echo ' {micro32,32,64}{r1,r2,r6}{el,}_defconfig <BOARDS="list of boards">' 469 echo 470 echo ' Otherwise, the following default configurations are available:' 471endef 472 473generic_config_dir = $(srctree)/arch/$(ARCH)/configs/generic 474generic_defconfigs := 475 476# 477# If the user generates a generic kernel configuration without specifying a 478# list of boards to include the config fragments for, default to including all 479# available board config fragments. 480# 481ifeq ($(BOARDS),) 482BOARDS = $(patsubst board-%.config,%,$(notdir $(wildcard $(generic_config_dir)/board-*.config))) 483endif 484 485# 486# Generic kernel configurations which merge generic_defconfig with the 487# appropriate config fragments from arch/mips/configs/generic/, resulting in 488# the ability to easily configure the kernel for a given architecture, 489# endianness & set of boards without duplicating the needed configuration in 490# hundreds of defconfig files. 491# 492define gen_generic_defconfigs 493$(foreach bits,$(1),$(foreach rev,$(2),$(foreach endian,$(3), 494target := $(bits)$(rev)$(filter el,$(endian))_defconfig 495generic_defconfigs += $$(target) 496$$(target): $(generic_config_dir)/$(bits)$(rev).config 497$$(target): $(generic_config_dir)/$(endian).config 498))) 499endef 500 501$(eval $(call gen_generic_defconfigs,32 64,r1 r2 r6,eb el)) 502$(eval $(call gen_generic_defconfigs,micro32,r2,eb el)) 503 504.PHONY: $(generic_defconfigs) 505$(generic_defconfigs): 506 $(Q)$(CONFIG_SHELL) $(srctree)/scripts/kconfig/merge_config.sh \ 507 -m -O $(objtree) $(srctree)/arch/$(ARCH)/configs/generic_defconfig $^ | \ 508 grep -Ev '^#' 509 $(Q)cp $(KCONFIG_CONFIG) $(objtree)/.config.$@ 510 $(Q)$(MAKE) -f $(srctree)/Makefile olddefconfig \ 511 KCONFIG_CONFIG=$(objtree)/.config.$@ >/dev/null 512 $(Q)$(CONFIG_SHELL) $(srctree)/arch/$(ARCH)/tools/generic-board-config.sh \ 513 $(srctree) $(objtree) $(objtree)/.config.$@ $(KCONFIG_CONFIG) \ 514 "$(origin BOARDS)" $(BOARDS) 515 $(Q)$(MAKE) -f $(srctree)/Makefile olddefconfig 516 517# 518# Prevent generic merge_config rules attempting to merge single fragments 519# 520$(generic_config_dir)/%.config: ; 521 522# 523# Prevent direct use of generic_defconfig, which is intended to be used as the 524# basis of the various ISA-specific targets generated above. 525# 526.PHONY: generic_defconfig 527generic_defconfig: 528 $(Q)echo "generic_defconfig is not intended for direct use, but should instead be" 529 $(Q)echo "used via an ISA-specific target from the following list:" 530 $(Q)echo 531 $(Q)for cfg in $(generic_defconfigs); do echo " $${cfg}"; done 532 $(Q)echo 533 $(Q)false 534 535# 536# Legacy defconfig compatibility - these targets used to be real defconfigs but 537# now that the boards have been converted to use the generic kernel they are 538# wrappers around the generic rules above. 539# 540.PHONY: sead3_defconfig 541sead3_defconfig: 542 $(Q)$(MAKE) -f $(srctree)/Makefile 32r2el_defconfig BOARDS=sead-3 543 544.PHONY: sead3micro_defconfig 545sead3micro_defconfig: 546 $(Q)$(MAKE) -f $(srctree)/Makefile micro32r2el_defconfig BOARDS=sead-3 547