Makefile

   1 ##
   2 ## This file is part of the coreboot project.
   3 ##
   4 ## Copyright (C) 2008 Advanced Micro Devices, Inc.
   5 ## Copyright (C) 2008 Uwe Hermann <uwe@hermann-uwe.de>
   6 ## Copyright (C) 2009-2010 coresystems GmbH
   7 ## Copyright (C) 2011 secunet Security Networks AG
   8 ##
   9 ## Redistribution and use in source and binary forms, with or without
  10 ## modification, are permitted provided that the following conditions
  11 ## are met:
  12 ## 1. Redistributions of source code must retain the above copyright
  13 ##    notice, this list of conditions and the following disclaimer.
  14 ## 2. Redistributions in binary form must reproduce the above copyright
  15 ##    notice, this list of conditions and the following disclaimer in the
  16 ##    documentation and/or other materials provided with the distribution.
  17 ## 3. The name of the author may not be used to endorse or promote products
  18 ##    derived from this software without specific prior written permission.
  19 ##
  20 ## THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  21 ## ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  22 ## IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  23 ## ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  24 ## FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  25 ## DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  26 ## OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  27 ## HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  28 ## LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  29 ## OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  30 ## SUCH DAMAGE.
  31 ##
  32
  33 export top := $(CURDIR)
  34 export src := src
  35 export srck := $(top)/util/kconfig
  36 obj ?= build
  37 override obj := $(subst $(top)/,,$(abspath $(obj)))
  38 export obj
  39 export objutil ?= $(obj)/util
  40 export objk := $(objutil)/kconfig
  41 absobj := $(abspath $(obj))
  42
  43
  44 export KCONFIG_AUTOHEADER := $(obj)/config.h
  45 export KCONFIG_AUTOCONFIG := $(obj)/auto.conf
  46 export KCONFIG_DEPENDENCIES := $(obj)/auto.conf.cmd
  47 export KCONFIG_SPLITCONFIG := $(obj)/config
  48 export KCONFIG_TRISTATE := $(obj)/tristate.conf
  49 export KCONFIG_NEGATIVES := 1
  50 export KCONFIG_STRICT := 1
  51
  52 # directory containing the toplevel Makefile.inc
  53 TOPLEVEL := .
  54
  55 CONFIG_SHELL := sh
  56 KBUILD_DEFCONFIG := configs/defconfig
  57 UNAME_RELEASE := $(shell uname -r)
  58 DOTCONFIG ?= $(top)/.config
  59 KCONFIG_CONFIG = $(DOTCONFIG)
  60 export KCONFIG_CONFIG
  61 HAVE_DOTCONFIG := $(wildcard $(DOTCONFIG))
  62 MAKEFLAGS += -rR --no-print-directory
  63
  64 # Make is silent per default, but 'make V=1' will show all compiler calls.
  65 Q:=@
  66 ifneq ($(V),1)
  67 ifneq ($(Q),)
  68 .SILENT:
  69 endif
  70 endif
  71
  72 # Disable implicit/built-in rules to make Makefile errors fail fast.
  73 .SUFFIXES:
  74
  75 HOSTCC := $(if $(shell type gcc 2>/dev/null),gcc,cc)
  76 HOSTCXX = g++
  77 HOSTCFLAGS := -g
  78 HOSTCXXFLAGS := -g
  79
  80 PREPROCESS_ONLY := -E -P -x assembler-with-cpp -undef -I .
  81
  82 DOXYGEN := doxygen
  83 DOXYGEN_OUTPUT_DIR := doxygen
  84
  85 all: real-all
  86
  87 help_coreboot help::
  88         @echo  '*** coreboot platform targets ***'
  89         @echo  '  Use "make [target] V=1" for extra build debug information'
  90         @echo  '  all                   - Build coreboot'
  91         @echo  '  clean                 - Remove coreboot build artifacts'
  92         @echo  '  distclean             - Remove build artifacts and config files'
  93         @echo  '  doxygen               - Build doxygen documentation for coreboot'
  94         @echo  '  doxyplatform          - Build doxygen documentation for the current platform'
  95         @echo  '  printall              - print makefile info for debugging'
  96         @echo  '  gitconfig             - set up git to submit patches to coreboot'
  97         @echo  '  ctags / ctags-project - make ctags file for all of coreboot or current board'
  98         @echo  '  cscope / cscope-project - make cscope.out file for coreboot or current board'
  99         @echo
 100
 101 # This include must come _before_ the pattern rules below!
 102 # Order _does_ matter for pattern rules.
 103 include $(srck)/Makefile
 104
 105 # Three cases where we don't need fully populated $(obj) lists:
 106 # 1. when no .config exists
 107 # 2. when make config (in any flavour) is run
 108 # 3. when make distclean is run
 109 # Don't waste time on reading all Makefile.incs in these cases
 110 ifeq ($(strip $(HAVE_DOTCONFIG)),)
 111 NOCOMPILE:=1
 112 endif
 113 ifneq ($(MAKECMDGOALS),)
 114 ifneq ($(filter %config %clean cross% clang iasl gnumake lint% help% what-jenkins-does,$(MAKECMDGOALS)),)
 115 NOCOMPILE:=1
 116 endif
 117 ifeq ($(MAKECMDGOALS), %clean)
 118 NOMKDIR:=1
 119 endif
 120 endif
 121
 122 ifeq ($(NOCOMPILE),1)
 123 include $(TOPLEVEL)/Makefile.inc
 124 include $(TOPLEVEL)/payloads/Makefile.inc
 125 include $(TOPLEVEL)/util/testing/Makefile.inc
 126 real-all:
 127         @echo "Error: Expected config file ($(DOTCONFIG)) not present." >&2
 128         @echo "Please specify a config file or run 'make menuconfig' to" >&2
 129         @echo "generate a new config file." >&2
 130         @exit 1
 131 else
 132
 133 include $(DOTCONFIG)
 134
 135 # in addition to the dependency below, create the file if it doesn't exist
 136 # to silence stupid warnings about a file that would be generated anyway.
 137 $(if $(wildcard .xcompile)$(NOCOMPILE),,$(eval $(shell util/xcompile/xcompile $(XGCCPATH) > .xcompile || rm -f .xcompile)))
 138
 139 .xcompile: util/xcompile/xcompile
 140         rm -f $@
 141         $< $(XGCCPATH) > $@.tmp
 142         \mv -f $@.tmp $@ 2> /dev/null
 143         rm -f $@.tmp
 144
 145 -include .xcompile
 146
 147 ifneq ($(XCOMPILE_COMPLETE),1)
 148 $(shell rm -f .xcompile)
 149 $(error .xcompile deleted because it's invalid. \
 150         Restarting the build should fix that, or explain the problem)
 151 endif
 152
 153 ifneq ($(CONFIG_MMX),y)
 154 CFLAGS_x86_32 += -mno-mmx
 155 endif
 156
 157 include toolchain.inc
 158
 159 strip_quotes = $(strip $(subst ",,$(subst \",,$(1))))
 160 # fix makefile syntax highlighting after strip macro \" "))
 161
 162 # The primary target needs to be here before we include the
 163 # other files
 164
 165 real-all: real-target
 166
 167 # must come rather early
 168 .SECONDEXPANSION:
 169
 170 $(KCONFIG_AUTOHEADER): $(KCONFIG_CONFIG)
 171         +$(MAKE) oldconfig
 172
 173 # Add a new class of source/object files to the build system
 174 add-class= \
 175         $(eval $(1)-srcs:=) \
 176         $(eval $(1)-objs:=) \
 177         $(eval classes+=$(1))
 178
 179 # Special classes are managed types with special behaviour
 180 # On parse time, for each entry in variable $(1)-y
 181 # a handler $(1)-handler is executed with the arguments:
 182 # * $(1): directory the parser is in
 183 # * $(2): current entry
 184 add-special-class= \
 185         $(eval $(1):=) \
 186         $(eval special-classes+=$(1))
 187
 188 # Converts one or more source file paths to their corresponding build/ paths.
 189 # Only .ads, adb, .c and .S get converted to .o, other files (like .ld) keep
 190 # their name.
 191 # $1 stage name
 192 # $2 file path (list)
 193 src-to-obj=\
 194         $(patsubst $(obj)/%,$(obj)/$(1)/%,\
 195         $(patsubst $(obj)/$(1)/%,$(obj)/%,\
 196         $(patsubst 3rdparty/%,$(obj)/%,\
 197         $(patsubst src/%,$(obj)/%,\
 198         $(patsubst %.ads,%.o,\
 199         $(patsubst %.adb,%.o,\
 200         $(patsubst %.c,%.o,\
 201         $(patsubst %.S,%.o,\
 202         $(subst .$(1),,$(2))))))))))
 203
 204 # Converts one or more source file paths to the corresponding build/ paths
 205 # of their Ada library information (.ali) files.
 206 # $1 stage name
 207 # $2 file path (list)
 208 src-to-ali=\
 209         $(patsubst $(obj)/%,$(obj)/$(1)/%,\
 210         $(patsubst $(obj)/$(1)/%,$(obj)/%,\
 211         $(patsubst 3rdparty/%,$(obj)/%,\
 212         $(patsubst src/%,$(obj)/%,\
 213         $(patsubst %.ads,%.ali,\
 214         $(patsubst %.adb,%.ali,\
 215         $(subst .$(1),,\
 216         $(filter %.ads %.adb,$(2)))))))))
 217
 218 # Clean -y variables, include Makefile.inc
 219 # Add paths to files in X-y to X-srcs
 220 # Add subdirs-y to subdirs
 221 includemakefiles= \
 222         $(foreach class,classes subdirs $(classes) $(special-classes), $(eval $(class)-y:=)) \
 223         $(eval -include $(1)) \
 224         $(foreach class,$(classes-y), $(call add-class,$(class))) \
 225         $(foreach class,$(classes), \
 226                 $(eval $(class)-srcs+= \
 227                         $$(subst $(absobj)/,$(obj)/, \
 228                         $$(subst $(top)/,, \
 229                         $$(abspath $$(subst $(dir $(1))/,/,$$(addprefix $(dir $(1)),$$($(class)-y)))))))) \
 230         $(foreach special,$(special-classes), \
 231                 $(foreach item,$($(special)-y), $(call $(special)-handler,$(dir $(1)),$(item)))) \
 232         $(eval subdirs+=$$(subst $(CURDIR)/,,$$(abspath $$(addprefix $(dir $(1)),$$(subdirs-y)))))
 233
 234 # For each path in $(subdirs) call includemakefiles
 235 # Repeat until subdirs is empty
 236 evaluate_subdirs= \
 237         $(eval cursubdirs:=$(subdirs)) \
 238         $(eval subdirs:=) \
 239         $(foreach dir,$(cursubdirs), \
 240                 $(eval $(call includemakefiles,$(dir)/Makefile.inc))) \
 241         $(if $(subdirs),$(eval $(call evaluate_subdirs)))
 242
 243 # collect all object files eligible for building
 244 subdirs:=$(TOPLEVEL)
 245 postinclude-hooks :=
 246 $(eval $(call evaluate_subdirs))
 247 ifeq ($(FAILBUILD),1)
 248 $(error cannot continue build)
 249 endif
 250
 251 # Run hooks registered by subdirectories that need to be evaluated after all files have been parsed
 252 $(eval $(postinclude-hooks))
 253
 254 # Eliminate duplicate mentions of source files in a class
 255 $(foreach class,$(classes),$(eval $(class)-srcs:=$(sort $($(class)-srcs))))
 256
 257 # To track dependencies, we need all Ada specification (.ads) files in
 258 # *-srcs. Extract / filter all specification files that have a matching
 259 # body (.adb) file here (specifications without a body are valid sources
 260 # in Ada).
 261 $(foreach class,$(classes),$(eval $(class)-extra-specs := \
 262         $(filter \
 263                 $(addprefix %/,$(patsubst %.adb,%.ads,$(notdir $(filter %.adb,$($(class)-srcs))))), \
 264                 $(filter %.ads,$($(class)-srcs)))))
 265 $(foreach class,$(classes),$(eval $(class)-srcs := \
 266         $(filter-out $($(class)-extra-specs),$($(class)-srcs))))
 267
 268 $(foreach class,$(classes),$(eval $(class)-objs:=$(call src-to-obj,$(class),$($(class)-srcs))))
 269 $(foreach class,$(classes),$(eval $(class)-alis:=$(call src-to-ali,$(class),$($(class)-srcs))))
 270
 271 # For Ada includes
 272 $(foreach class,$(classes),$(eval $(class)-ada-dirs:=$(sort $(dir $(filter %.ads %.adb,$($(class)-srcs)) $($(class)-extra-specs)))))
 273
 274 # Save all objs before processing them (for dependency inclusion)
 275 originalobjs:=$(foreach var, $(addsuffix -objs,$(classes)), $($(var)))
 276
 277 # Call post-processors if they're defined
 278 $(foreach class,$(classes),\
 279         $(if $(value $(class)-postprocess),$(eval $(call $(class)-postprocess,$($(class)-objs)))))
 280
 281 allsrcs:=$(foreach var, $(addsuffix -srcs,$(classes)), $($(var)))
 282 allobjs:=$(foreach var, $(addsuffix -objs,$(classes)), $($(var)))
 283 alldirs:=$(sort $(abspath $(dir $(allobjs))))
 284
 285 # Reads dependencies from an Ada library information (.ali) file
 286 # Only basenames (with suffix) are preserved so we have to look the
 287 # paths up in $($(stage)-srcs).
 288 # $1 stage name
 289 # $2 ali file
 290 create_ada_deps=$$(if $(2),\
 291         gnat.adc \
 292         $$(filter \
 293                 $$(addprefix %/,$$(shell sed -ne's/^D \([^\t]\+\).*$$$$/\1/p' $(2) 2>/dev/null)), \
 294                 $$($(1)-srcs) $$($(1)-extra-specs)))
 295
 296 # macro to define template macros that are used by use_template macro
 297 define create_cc_template
 298 # $1 obj class
 299 # $2 source suffix (c, S, ld, ...)
 300 # $3 additional compiler flags
 301 # $4 additional dependencies
 302 ifn$(EMPTY)def $(1)-objs_$(2)_template
 303 de$(EMPTY)fine $(1)-objs_$(2)_template
 304 $$(call src-to-obj,$1,$$(1).$2): $$(1).$2 $$(call create_ada_deps,$1,$$(call src-to-ali,$1,$$(1).$2)) $(KCONFIG_AUTOHEADER) $(4)
 305         @printf "    CC         $$$$(subst $$$$(obj)/,,$$$$(@))\n"
 306         $(CC_$(1)) \
 307                 $$(if $$(filter-out ads adb,$(2)), \
 308                    -MMD $$$$(CPPFLAGS_$(1)) $$$$(CFLAGS_$(1)) -MT $$$$(@), \
 309                    $$$$(ADAFLAGS_$(1)) $$$$(addprefix -I,$$$$($(1)-ada-dirs))) \
 310                 $(3) -c -o $$$$@ $$$$<
 311 en$(EMPTY)def
 312 end$(EMPTY)if
 313 endef
 314
 315 filetypes-of-class=$(subst .,,$(sort $(suffix $($(1)-srcs))))
 316 $(foreach class,$(classes), \
 317         $(foreach type,$(call filetypes-of-class,$(class)), \
 318                 $(eval $(class)-$(type)-ccopts += $(generic-$(type)-ccopts) $($(class)-generic-ccopts)) \
 319                 $(if $(generic-objs_$(type)_template_gen),$(eval $(call generic-objs_$(type)_template_gen,$(class))),\
 320                 $(eval $(call create_cc_template,$(class),$(type),$($(class)-$(type)-ccopts),$($(class)-$(type)-deps))))))
 321
 322 foreach-src=$(foreach file,$($(1)-srcs),$(eval $(call $(1)-objs_$(subst .,,$(suffix $(file)))_template,$(basename $(file)))))
 323 $(eval $(foreach class,$(classes),$(call foreach-src,$(class))))
 324
 325 # To supported complex package initializations, we need to call the
 326 # emitted code explicitly. gnatbind gathers all the calls for us
 327 # and exports them as a procedure $(stage)_adainit(). Every stage that
 328 # uses Ada code has to call it!
 329 define gnatbind_template
 330 # $1 class
 331 $$(obj)/$(1)/b__$(1).adb: $$$$(filter-out $$(obj)/$(1)/b__$(1).ali,$$$$($(1)-alis))
 332         @printf "    BIND       $$(subst $$(obj)/,,$$@)\n"
 333         # We have to give gnatbind a simple filename (without leading
 334         # path components) so just cd there.
 335         cd $$(dir $$@) && \
 336                 $$(GNATBIND_$(1)) -a -n \
 337                         --RTS=$$(absobj)/libgnat-$$(ARCH-$(1)-y)/ \
 338                         -L$(1)_ada -o $$(notdir $$@) \
 339                         $$(subst $$(dir $$@),,$$^)
 340 $$(obj)/$(1)/b__$(1).o: $$(obj)/$(1)/b__$(1).adb
 341         @printf "    CC         $$(subst $$(obj)/,,$$@)\n"
 342         $(CC_$(1)) $$(ADAFLAGS_$(1)) -c -o $$@ $$<
 343 $(1)-objs += $$(obj)/$(1)/b__$(1).o
 344 $($(1)-alis): %.ali: %.o ;
 345 endef
 346
 347 $(eval $(foreach class,$(filter-out libgnat-%,$(classes)), \
 348         $(if $($(class)-alis),$(call gnatbind_template,$(class)))))
 349
 350 DEPENDENCIES += $(addsuffix .d,$(basename $(allobjs)))
 351 -include $(DEPENDENCIES)
 352
 353 printall:
 354         @$(foreach class,$(classes), echo $(class)-objs: $($(class)-objs) | tr ' ' '\n'; echo; )
 355         @echo alldirs: $(alldirs) | tr ' ' '\n'; echo
 356         @echo allsrcs: $(allsrcs) | tr ' ' '\n'; echo
 357         @echo DEPENDENCIES: $(DEPENDENCIES) | tr ' ' '\n'; echo
 358         @$(foreach class,$(special-classes),echo $(class):'$($(class))' | tr ' ' '\n'; echo; )
 359 endif
 360
 361 ifndef NOMKDIR
 362 $(shell mkdir -p $(KCONFIG_SPLITCONFIG) $(objk)/lxdialog $(additional-dirs) $(alldirs))
 363 endif
 364
 365 $(obj)/project_filelist.txt: all
 366         find $(obj) -name "*.d" -exec cat {} \; | \
 367           sed 's/[:\\]/ /g' | sed 's/ /\n/g' | sort | uniq | \
 368           grep -v '\.o$$' > $(obj)/project_filelist.txt
 369
 370 filelist: clean
 371         $(MAKE) $(obj)/project_filelist.txt
 372         printf "\nFiles used in build:\n"
 373         cat $(obj)/project_filelist.txt
 374
 375 #works with either exuberant ctags or ctags.emacs
 376 ctags-project: clean-ctags $(obj)/project_filelist.txt
 377         cat $(obj)/project_filelist.txt | \
 378           xargs ctags -o tags
 379
 380 cscope-project: clean-cscope $(obj)/project_filelist.txt
 381         cat $(obj)/project_filelist.txt | xargs cscope -b
 382
 383 cscope:
 384         cscope -bR
 385
 386 doxy: doxygen
 387 doxygen:
 388         $(DOXYGEN) Documentation/Doxyfile.coreboot
 389
 390 doxygen_simple:
 391         $(DOXYGEN) Documentation/Doxyfile.coreboot_simple
 392
 393 doxyplatform doxygen_platform: $(obj)/project_filelist.txt
 394         echo
 395         echo "Building doxygen documentation for $(CONFIG_MAINBOARD_PART_NUMBER)"
 396         export DOXYGEN_OUTPUT_DIR="$(DOXYGEN_OUTPUT_DIR)/$(CONFIG_MAINBOARD_VENDOR)/$(CONFIG_MAINBOARD_PART_NUMBER)"; \
 397         mkdir -p "$$DOXYGEN_OUTPUT_DIR"; \
 398         export DOXYFILES="$$(cat $(obj)/project_filelist.txt | grep -v '\.ld$$' | sed 's/\.aml/\.dsl/' | tr '\n' ' ')"; \
 399         export DOXYGEN_PLATFORM="$(CONFIG_MAINBOARD_DIR) ($(CONFIG_MAINBOARD_PART_NUMBER)) version $(KERNELVERSION)"; \
 400         $(DOXYGEN) Documentation/doxygen/Doxyfile.coreboot_platform
 401
 402 doxyclean: doxygen-clean
 403 doxygen-clean:
 404         rm -rf $(DOXYGEN_OUTPUT_DIR)
 405
 406 clean-for-update: doxygen-clean clean-for-update-target
 407         rm -rf $(obj) .xcompile
 408
 409 clean: clean-for-update clean-target clean-utils
 410         rm -f .ccwrap
 411
 412 clean-cscope:
 413         rm -f cscope.out
 414
 415 clean-ctags:
 416         rm -f tags
 417
 418 clean-utils:
 419         $(foreach tool, $(TOOLLIST), \
 420                 $(MAKE) -C util/$(tool) clean MFLAGS= MAKEFLAGS= ;)
 421
 422 distclean-utils:
 423         $(foreach tool, $(TOOLLIST), \
 424                 $(MAKE) -C util/$(tool) distclean MFLAGS= MAKEFLAGS= ; \
 425                 rm -f /util/$(tool)/junit.xml;)
 426
 427 distclean: clean clean-ctags clean-cscope distclean-payloads distclean-utils
 428         rm -f .config .config.old ..config.tmp* .kconfig.d .tmpconfig* .ccwrap .xcompile
 429         rm -rf coreboot-builds coreboot-builds-chromeos
 430         rm -f abuild*.xml junit.xml* util/lint/junit.xml
 431
 432 .PHONY: $(PHONY) clean clean-for-update clean-cscope cscope distclean doxygen doxy doxygen_simple
 433 .PHONY: ctags-project cscope-project clean-ctags