Makefile.inc

   1 ##
   2 ## This file is part of the coreboot project.
   3 ##
   4 ## Copyright (C) 2011 secunet Security Networks AG
   5 ##
   6 ## This program is free software; you can redistribute it and/or modify
   7 ## it under the terms of the GNU General Public License as published by
   8 ## the Free Software Foundation; version 2 of the License.
   9 ##
  10 ## This program is distributed in the hope that it will be useful,
  11 ## but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 ## GNU General Public License for more details.
  14 ##
  15 ## You should have received a copy of the GNU General Public License
  16 ## along with this program; if not, write to the Free Software
  17 ## Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  18 ##
  19
  20 #######################################################################
  21 # misleadingly named, this is the coreboot version
  22 export KERNELVERSION := $(shell if [ -d "$(top)/.git" -a -f "`which git`" ]; \
  23        then git describe --dirty --always || git describe; \
  24        else echo 4.0$(KERNELREVISION); fi)
  25
  26 #######################################################################
  27 # Test for coreboot toolchain (except when explicitely not requested)
  28 ifneq ($(NOCOMPILE),1)
  29 # only run if we're doing a build (not for tests, kconfig, ...)
  30 ifneq ($(CONFIG_ANY_TOOLCHAIN),y)
  31 _toolchain=$(shell $(CC_i386) -v 2>&1 |grep -q "gcc version .*coreboot toolchain" && echo coreboot)
  32 ifneq ($(_toolchain),coreboot)
  33 $(error Please use the coreboot toolchain (or prove that your toolchain works))
  34 endif
  35 endif
  36 endif
  37
  38 #######################################################################
  39 # Basic component discovery
  40 MAINBOARDDIR=$(call strip_quotes,$(CONFIG_MAINBOARD_DIR))
  41 export MAINBOARDDIR
  42
  43 ## Final build results, which CBFSTOOL uses to create the final
  44 ## rom image file, are placed under $(objcbfs).
  45 ## These typically have suffixes .debug .elf .bin and .map
  46 export objcbfs := $(obj)/cbfs/$(call strip_quotes,$(CONFIG_CBFS_PREFIX))
  47
  48 ## Based on the active configuration, Makefile conditionally collects
  49 ## the required assembly includes and saves them in a file.
  50 ## Such files that do not have a clear one-to-one relation to a source
  51 ## file under src/ are placed and built under $(objgenerated)
  52 export objgenerated := $(obj)/generated
  53
  54 #######################################################################
  55 # root rule to resolve if in build mode (ie. configuration exists)
  56 real-target: $(obj)/config.h coreboot
  57 coreboot: build-dirs $(obj)/coreboot.rom
  58
  59 #######################################################################
  60 # our phony targets
  61 PHONY+= clean-abuild coreboot lint lint-stable build-dirs
  62
  63 #######################################################################
  64 # root source directories of coreboot
  65 subdirs-y := src/lib src/console src/device src/ec src/southbridge src/soc
  66 subdirs-y += src/northbridge src/superio src/drivers src/cpu src/vendorcode
  67 subdirs-y += util/cbfstool util/sconfig util/nvramtool
  68 subdirs-y += src/arch/$(ARCHDIR-y)
  69 subdirs-y += src/mainboard/$(MAINBOARDDIR)
  70
  71 subdirs-y += site-local
  72
  73 #######################################################################
  74 # Add source classes and their build options
  75 classes-y := ramstage romstage bootblock smm smmstub cpu_microcode rmodules
  76
  77 #######################################################################
  78 # Helper functions for ramstage postprocess
  79 spc :=
  80 spc +=
  81 $(spc) :=
  82 $(spc) +=
  83
  84 # files-in-dir-recursive,dir,files
  85 files-in-dir-recursive=$(filter $(1)%,$(2))
  86
  87 # parent-dir,dir/
  88 parent-dir=$(dir $(subst $( ),/,$(strip $(subst /, ,$(1)))))
  89
  90 # filters out exactly the directory specified
  91 # filter-out-dir,dir_to_keep,dirs
  92 filter-out-dir=$(filter-out $(1),$(2))
  93
  94 # filters out dir_to_keep and all its parents
  95 # filter-out-dirs,dir_to_keep,dirs
  96 filter-out-dirs=$(if $(filter-out ./,$(1)),$(call filter-out-dirs,$(call parent-dir,$(1)),$(call filter-out-dir,$(1),$(2))),$(call filter-out-dir,$(1),$(2)))
  97
  98 # dir-wildcards,dirs
  99 dir-wildcards=$(addsuffix %,$(1))
 100
 101 # files-in-dir,dir,files
 102 files-in-dir=$(filter-out $(call dir-wildcards,$(call filter-out-dirs,$(1),$(dir $(2)))),$(call files-in-dir-recursive,$(1),$(2)))
 103
 104 #######################################################################
 105 # reduce command line length by linking the objects of each
 106 # directory into an intermediate file
 107 ramstage-postprocess=$(foreach d,$(sort $(dir $(1))), \
 108         $(eval $(d)ramstage.o: $(call files-in-dir,$(d),$(1)); $$(LD) -o $$@ -r $$^ ) \
 109         $(eval ramstage-objs:=$(d)ramstage.o $(filter-out $(call files-in-dir,$(d),$(1)),$(ramstage-objs))))
 110
 111 romstage-c-ccopts:=-D__PRE_RAM__
 112 romstage-S-ccopts:=-D__PRE_RAM__
 113 ifeq ($(CONFIG_TRACE),y)
 114 ramstage-c-ccopts:= -finstrument-functions
 115 endif
 116 ifeq ($(CONFIG_COVERAGE),y)
 117 ramstage-c-ccopts+=-fprofile-arcs -ftest-coverage
 118 endif
 119
 120 ifeq ($(CONFIG_USE_BLOBS),y)
 121 forgetthis:=$(shell git submodule update --init --checkout 3rdparty)
 122 endif
 123
 124 bootblock-c-ccopts:=-D__BOOT_BLOCK__ -D__PRE_RAM__
 125 bootblock-S-ccopts:=-D__BOOT_BLOCK__ -D__PRE_RAM__
 126
 127 smmstub-c-ccopts:=-D__SMM__
 128 smmstub-S-ccopts:=-D__SMM__
 129 smm-c-ccopts:=-D__SMM__
 130 smm-S-ccopts:=-D__SMM__
 131
 132 # SMM TSEG base is dynamic
 133 ifneq ($(CONFIG_SMM_MODULES),y)
 134 ifeq ($(CONFIG_SMM_TSEG),y)
 135 smm-c-ccopts += -fpic
 136 endif
 137 endif
 138
 139 ramstage-c-deps:=$$(OPTION_TABLE_H)
 140 romstage-c-deps:=$$(OPTION_TABLE_H)
 141 bootblock-c-deps:=$$(OPTION_TABLE_H)
 142 smm-c-deps:=$$(OPTION_TABLE_H)
 143
 144 #######################################################################
 145 # Add handler to compile ACPI's ASL
 146 define ramstage-objs_asl_template
 147 $(obj)/$(1).ramstage.o: src/$(1).asl $(obj)/config.h
 148         @printf "    IASL       $$(subst $(top)/,,$$(@))\n"
 149         $(CC) -x assembler-with-cpp -E -MMD -MT $$(@) -D__ACPI__ -P -include $(src)/include/kconfig.h -I$(obj) -I$(src) -I$(src)/include -I$(src)/arch/$(ARCHDIR-y)/include -I$(src)/mainboard/$(MAINBOARDDIR) $$< -o $$(basename $$@).asl
 150         cd $$(dir $$@); $(IASL) -p $$(notdir $$@) -tc $$(notdir $$(basename $$@)).asl
 151         mv $$(basename $$@).hex $$(basename $$@).c
 152         $(CC) $$(CFLAGS) $$(if $$(subst dsdt,,$$(basename $$(notdir $(1)))), -DAmlCode=AmlCode_$$(basename $$(notdir $(1)))) -c -o $$@ $$(basename $$@).c
 153         # keep %.o: %.c rule from catching the temporary .c file after a make clean
 154         mv $$(basename $$@).c $$(basename $$@).hex
 155 endef
 156
 157 #######################################################################
 158 # Parse plaintext cmos defaults into binary format
 159 # arg1: source file
 160 # arg2: binary file name
 161 cbfs-files-processor-nvramtool= \
 162         $(eval $(2): $(1) $(src)/mainboard/$(MAINBOARDDIR)/cmos.layout | $(objutil)/nvramtool/nvramtool ; \
 163                 printf "    CREATE     $(2) (from $(1))\n"; $(objutil)/nvramtool/nvramtool -y $(src)/mainboard/$(MAINBOARDDIR)/cmos.layout -D $(2).tmp -p $(1) && mv $(2).tmp $(2))
 164
 165 #######################################################################
 166 # Link VSA binary to ELF-ish stage
 167 # arg1: source file
 168 # arg2: binary file name
 169 cbfs-files-processor-vsa= \
 170         $(eval $(2): $(1) ; \
 171                 printf "    CREATE     $(2) (from $(1))\n";  $(OBJCOPY) --set-start 0x20 --adjust-vma 0x60000 -I binary -O elf32-i386 -B i386 $(1) $(2).tmp && $(LD) -m elf_i386 -e 0x60020 --section-start .data=0x60000 $(2).tmp -o $(2))
 172
 173 #######################################################################
 174 # Add handler for arbitrary files in CBFS
 175 $(call add-special-class,cbfs-files)
 176 cbfs-files-handler= \
 177                 $(eval tmp-cbfs-method:=$(word 2, $(subst :, ,$($(2)-file)))) \
 178                 $(eval $(2)-file:=$(call strip_quotes,$(word 1, $(subst :, ,$($(2)-file))))) \
 179                 $(if $(wildcard $(1)$($(2)-file)), \
 180                         $(eval tmp-cbfs-file:= $(wildcard $(1)$($(2)-file))), \
 181                         $(eval tmp-cbfs-file:= $($(2)-file))) \
 182                 $(if $(strip $($(2)-required)), \
 183                         $(if $(wildcard $(tmp-cbfs-file)),, \
 184                                 $(info This build configuration requires $($(2)-required)) \
 185                                 $(eval FAILBUILD:=1) \
 186                         )) \
 187                 $(if $(tmp-cbfs-method), \
 188                         $(eval tmp-old-cbfs-file:=$(tmp-cbfs-file)) \
 189                         $(eval tmp-cbfs-file:=$(shell mkdir -p $(obj)/mainboard/$(MAINBOARDDIR); mktemp $(obj)/mainboard/$(MAINBOARDDIR)/cbfs-file.XXXXXX).out) \
 190                         $(call cbfs-files-processor-$(tmp-cbfs-method),$(tmp-old-cbfs-file),$(tmp-cbfs-file))) \
 191                 $(eval cbfs-files += $(tmp-cbfs-file)|$(2)|$($(2)-type)|$($(2)-compression)|$($(2)-position)) \
 192                 $(eval $(2)-name:=) \
 193                 $(eval $(2)-type:=) \
 194                 $(eval $(2)-compression:=) \
 195                 $(eval $(2)-position:=) \
 196                 $(eval $(2)-required:=)
 197
 198 #######################################################################
 199 # a variety of flags for our build
 200 CBFS_COMPRESS_FLAG:=none
 201 ifeq ($(CONFIG_COMPRESS_RAMSTAGE),y)
 202 CBFS_COMPRESS_FLAG:=LZMA
 203 endif
 204
 205 CBFS_PAYLOAD_COMPRESS_FLAG:=none
 206 ifeq ($(CONFIG_COMPRESSED_PAYLOAD_LZMA),y)
 207 CBFS_PAYLOAD_COMPRESS_FLAG:=LZMA
 208 endif
 209
 210 ifneq ($(CONFIG_LOCALVERSION),"")
 211 COREBOOT_EXTRA_VERSION := -$(call strip_quotes,$(CONFIG_LOCALVERSION))
 212 endif
 213
 214 INCLUDES := -Isrc -Isrc/include -I$(obj) -Isrc/arch/$(ARCHDIR-y)/include
 215 INCLUDES += -Isrc/device/oprom/include
 216 # abspath is a workaround for romcc
 217 INCLUDES += -include $(src)/include/kconfig.h
 218
 219 CFLAGS = $(INCLUDES) -Os -pipe -g -nostdinc
 220 CFLAGS += -nostdlib -Wall -Wundef -Wstrict-prototypes -Wmissing-prototypes
 221 CFLAGS += -Wwrite-strings -Wredundant-decls -Wno-trigraphs
 222 CFLAGS += -Wstrict-aliasing -Wshadow
 223 ifeq ($(CONFIG_WARNINGS_ARE_ERRORS),y)
 224 CFLAGS += -Werror
 225 endif
 226 CFLAGS += -fno-common -ffreestanding -fno-builtin -fomit-frame-pointer
 227
 228 additional-dirs := $(objutil)/cbfstool $(objutil)/romcc $(objutil)/ifdtool \
 229                    $(objutil)/ifdfake $(objutil)/options
 230
 231 #######################################################################
 232 # generate build support files
 233 $(obj)/build.h: .xcompile
 234         @printf "    GEN        build.h\n"
 235         rm -f $(obj)/build.h
 236         printf "/* build system definitions (autogenerated) */\n" > $(obj)/build.ht
 237         printf "#ifndef __BUILD_H\n" >> $(obj)/build.ht
 238         printf "#define __BUILD_H\n\n" >> $(obj)/build.ht
 239         printf "#define COREBOOT_VERSION \"$(KERNELVERSION)\"\n" >> $(obj)/build.ht
 240         printf "#define COREBOOT_EXTRA_VERSION \"$(COREBOOT_EXTRA_VERSION)\"\n" >> $(obj)/build.ht
 241         printf "#define COREBOOT_BUILD \"`LANG= date`\"\n" >> $(obj)/build.ht
 242         printf "#define COREBOOT_BUILD_YEAR_BCD 0x`LANG= date +"%y"`\n" >> $(obj)/build.ht
 243         printf "#define COREBOOT_BUILD_MONTH_BCD 0x`LANG= date +"%m"`\n" >> $(obj)/build.ht
 244         printf "#define COREBOOT_BUILD_DAY_BCD 0x`LANG= date +"%d"`\n" >> $(obj)/build.ht
 245         printf "#define COREBOOT_BUILD_WEEKDAY_BCD 0x`LANG= date +"%w"`\n" >> $(obj)/build.ht
 246         printf "#define COREBOOT_DMI_DATE \"`LANG= date +"%m/%d/%Y"`\"\n" >> $(obj)/build.ht
 247         printf "\n" >> $(obj)/build.ht
 248         printf "#define COREBOOT_COMPILER \"$(shell LANG= $(CC) --version | head -n1)\"\n" >> $(obj)/build.ht
 249         printf "#define COREBOOT_ASSEMBLER \"$(shell LANG= $(AS) --version | head -n1)\"\n" >> $(obj)/build.ht
 250         printf "#define COREBOOT_LINKER \"$(shell LANG= $(LD) --version | head -n1)\"\n" >> $(obj)/build.ht
 251         printf "#define COREBOOT_COMPILE_TIME \"`LANG= date +%T`\"\n" >> $(obj)/build.ht
 252         printf "#define COREBOOT_COMPILE_BY \"$(subst \,@,$(shell PATH=$$PATH:/usr/ucb whoami))\"\n" >> $(obj)/build.ht
 253         printf "#define COREBOOT_COMPILE_HOST \"$(shell hostname -s 2>/dev/null || hostname 2>/dev/null)\"\n" >> $(obj)/build.ht
 254         printf "#define COREBOOT_COMPILE_DOMAIN \"$(shell test `uname -s` = "Linux" && dnsdomainname || domainname 2>/dev/null)\"\n" >> $(obj)/build.ht
 255         printf "#endif\n" >> $(obj)/build.ht
 256         mv $(obj)/build.ht $(obj)/build.h
 257
 258 $(obj)/ldoptions: $(obj)/config.h
 259         awk '/^#define ([^"])* ([^"])*$$/ {gsub("\\r","",$$3); print $$2 " = " $$3 ";";}' $< > $@
 260
 261 build-dirs:
 262         mkdir -p $(objcbfs) $(objgenerated)
 263
 264 #######################################################################
 265 # Build the tools
 266 CBFSTOOL:=$(obj)/cbfstool
 267 RMODTOOL:=$(obj)/rmodtool
 268
 269 $(CBFSTOOL): $(objutil)/cbfstool/cbfstool
 270         cp $< $@
 271
 272 $(RMODTOOL): $(objutil)/cbfstool/rmodtool
 273         cp $< $@
 274
 275 _WINCHECK=$(shell uname -o 2> /dev/null)
 276 STACK=
 277 ifeq ($(_WINCHECK),Msys)
 278         STACK=-Wl,--stack,16384000
 279 endif
 280 ifeq ($(_WINCHECK),Cygwin)
 281         STACK=-Wl,--stack,16384000
 282 endif
 283
 284 ROMCC:= $(objutil)/romcc/romcc
 285 $(ROMCC): $(top)/util/romcc/romcc.c
 286         @printf "    HOSTCC     $(subst $(obj)/,,$(@)) (this may take a while)\n"
 287         @# Note: Adding -O2 here might cause problems. For details see:
 288         @# http://www.coreboot.org/pipermail/coreboot/2010-February/055825.html
 289         $(HOSTCC) -g $(STACK) -Wall -o $@ $<
 290
 291 IFDTOOL:=$(objutil)/ifdtool/ifdtool
 292 $(IFDTOOL): $(top)/util/ifdtool/ifdtool.c
 293         @printf "    HOSTCC     $(subst $(obj)/,,$(@))\n"
 294         $(HOSTCC) $(HOSTCFLAGS) -o $@ $<
 295
 296 IFDFAKE:=$(objutil)/ifdfake/ifdfake
 297 $(IFDFAKE): $(top)/util/ifdfake/ifdfake.c
 298         @printf "    HOSTCC     $(subst $(obj)/,,$(@))\n"
 299         $(HOSTCC) $(HOSTCFLAGS) -o $@ $<
 300
 301 #######################################################################
 302 # needed objects that every mainboard uses
 303 # Creation of these is architecture and mainboard independent
 304 $(obj)/mainboard/$(MAINBOARDDIR)/static.c: $(src)/mainboard/$(MAINBOARDDIR)/devicetree.cb  $(objutil)/sconfig/sconfig
 305         @printf "    SCONFIG    $(subst $(src)/,,$(<))\n"
 306         mkdir -p $(obj)/mainboard/$(MAINBOARDDIR)
 307         $(objutil)/sconfig/sconfig $(MAINBOARDDIR) $(obj)/mainboard/$(MAINBOARDDIR)
 308
 309 ramstage-y+=$(obj)/mainboard/$(MAINBOARDDIR)/static.c
 310 romstage-y+=$(obj)/mainboard/$(MAINBOARDDIR)/static.c
 311
 312 $(objutil)/%.o: $(objutil)/%.c
 313         @printf "    HOSTCC     $(subst $(objutil)/,,$(@))\n"
 314         $(HOSTCC) -MMD -I$(subst $(objutil)/,util/,$(dir $<)) -I$(dir $<) $(HOSTCFLAGS) -c -o $@ $<
 315
 316 $(obj)/%.ramstage.o $(abspath $(obj))/%.ramstage.o: $(obj)/%.c $(obj)/config.h $(OPTION_TABLE_H)
 317         @printf "    CC         $(subst $(obj)/,,$(@))\n"
 318         $(CC) -MMD $(CFLAGS) -c -o $@ $<
 319
 320 $(obj)/%.romstage.o $(abspath $(obj))/%.romstage.o: $(obj)/%.c $(obj)/config.h $(OPTION_TABLE_H)
 321         @printf "    CC         $(subst $(obj)/,,$(@))\n"
 322         $(CC) -MMD -D__PRE_RAM__ $(CFLAGS) -c -o $@ $<
 323
 324 $(obj)/%.bootblock.o $(abspath $(obj))/%.bootblock.o: $(obj)/%.c $(obj)/config.h $(OPTION_TABLE_H)
 325         @printf "    CC         $(subst $(obj)/,,$(@))\n"
 326         $(CC) -MMD $(bootblock-c-ccopts) $(CFLAGS) -c -o $@ $<
 327
 328 #######################################################################
 329 # Clean up rules
 330 clean-abuild:
 331         rm -rf coreboot-builds
 332
 333 clean-for-update-target:
 334         rm -f $(obj)/ramstage* $(obj)/coreboot.romstage $(obj)/coreboot.pre* $(obj)/coreboot.bootblock $(obj)/coreboot.a
 335         rm -rf $(obj)/bootblock* $(obj)/romstage* $(obj)/location.*
 336         rm -f $(obj)/option_table.* $(obj)/crt0.S $(obj)/ldscript
 337         rm -f $(obj)/mainboard/$(MAINBOARDDIR)/static.c $(obj)/mainboard/$(MAINBOARDDIR)/config.py $(obj)/mainboard/$(MAINBOARDDIR)/static.dot
 338         rm -f $(obj)/mainboard/$(MAINBOARDDIR)/crt0.s $(obj)/mainboard/$(MAINBOARDDIR)/crt0.disasm
 339         rm -f $(obj)/mainboard/$(MAINBOARDDIR)/romstage.inc
 340         rm -f $(obj)/mainboard/$(MAINBOARDDIR)/bootblock.* $(obj)/mainboard/$(MAINBOARDDIR)/dsdt.*
 341         rm -f $(obj)/cpu/x86/smm/smm_bin.c $(obj)/cpu/x86/smm/smm.* $(obj)/cpu/x86/smm/smm
 342         $(MAKE) -C payloads/external/SeaBIOS -f Makefile.inc clean OUT=$(abspath $(obj)) HOSTCC="$(HOSTCC)" CC="$(CC)" LD="$(LD)"
 343
 344 clean-target:
 345         rm -f $(obj)/coreboot*
 346
 347 #######################################################################
 348 # Development utilities
 349 printcrt0s:
 350         @echo crt0s=$(crt0s)
 351         @echo ldscripts=$(ldscripts)
 352
 353 update:
 354         dongle.py -c /dev/term/1 $(obj)/coreboot.rom EOF
 355
 356 lint lint-stable:
 357         FAILED=0; LINTLOG=`mktemp .tmpconfig.lintXXXXX`; \
 358         for script in util/lint/$@-*; do \
 359                 echo; echo `basename $$script`; \
 360                 grep "^# DESCR:" $$script | sed "s,.*DESCR: *,," ; \
 361                 echo ========; \
 362                 $$script > $$LINTLOG; \
 363                 if [ `cat $$LINTLOG | wc -l` -eq 0 ]; then \
 364                         printf "success\n\n"; \
 365                 else \
 366                         echo test failed: ; \
 367                         cat $$LINTLOG; \
 368                         rm -f $$LINTLOG; \
 369                         FAILED=$$(( $$FAILED + 1 )); \
 370                 fi; \
 371                 echo ========; \
 372         done; \
 373         test $$FAILED -eq 0 || { echo "ERROR: $$FAILED test(s) failed." &&  exit 1; }; \
 374         rm -f $$LINTLOG
 375
 376 gitconfig:
 377         mkdir -p .git/hooks
 378         for hook in commit-msg pre-commit ; do                       \
 379                 if [ util/gitconfig/$$hook -nt .git/hooks/$$hook -o  \
 380                 ! -x .git/hooks/$$hook ]; then                       \
 381                         cp util/gitconfig/$$hook .git/hooks/$$hook;  \
 382                         chmod +x .git/hooks/$$hook;                  \
 383                 fi;                                                  \
 384         done
 385         git config remote.origin.push HEAD:refs/for/master
 386         (git config --global user.name >/dev/null && git config --global user.email >/dev/null) || (printf 'Please configure your name and email in git:\n\n git config --global user.name "Your Name Comes Here"\n git config --global user.email your.email@example.com\n'; exit 1)
 387
 388 crossgcc: crossgcc-i386 crossgcc-arm
 389
 390 .PHONY: crossgcc-i386 crossgcc-arm
 391 crossgcc-i386: clean-for-update
 392         $(MAKE) -C util/crossgcc build-i386-without-gdb
 393
 394 crossgcc-arm: clean-for-update
 395         $(MAKE) -C util/crossgcc build-armv7a-without-gdb
 396
 397 crosstools: crosstools-i386
 398
 399 .PHONY: crosstools-i386 crosstools-arm
 400 crosstools-i386: clean-for-update
 401         $(MAKE) -C util/crossgcc build-i386
 402
 403 crosstools-arm: clean-for-update
 404         $(MAKE) -C util/crossgcc build-armv7a
 405
 406 crossgcc-clean: clean-for-update
 407         $(MAKE) -C util/crossgcc clean
 408
 409 tools: $(objutil)/kconfig/conf $(objutil)/cbfstool/cbfstool $(objutil)/cbfstool/rmodtool $(objutil)/nvramtool/nvramtool $(objutil)/romcc/romcc $(objutil)/sconfig/sconfig
 410