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  '  what-jenkins-does     - Run platform build tests (Use CPUS=# for more cores)'
  96         @echo  '  printall              - print makefile info for debugging'
  97         @echo  '  lint / lint-stable    - run coreboot lint tools (all / minimal)'
  98         @echo  '  gitconfig             - set up git to submit patches to coreboot'
  99         @echo  '  ctags / ctags-project - make ctags file for all of coreboot or current board'
 100         @echo  '  cscope / cscope-project - make cscope.out file for coreboot or current board'
 101         @echo
 102
 103 # This include must come _before_ the pattern rules below!
 104 # Order _does_ matter for pattern rules.
 105 include $(srck)/Makefile
 106
 107 # Three cases where we don't need fully populated $(obj) lists:
 108 # 1. when no .config exists
 109 # 2. when make config (in any flavour) is run
 110 # 3. when make distclean is run
 111 # Don't waste time on reading all Makefile.incs in these cases
 112 ifeq ($(strip $(HAVE_DOTCONFIG)),)
 113 NOCOMPILE:=1
 114 endif
 115 ifneq ($(MAKECMDGOALS),)
 116 ifneq ($(filter %config %clean cross% clang iasl gnumake lint% help% what-jenkins-does,$(MAKECMDGOALS)),)
 117 NOCOMPILE:=1
 118 endif
 119 ifeq ($(MAKECMDGOALS), %clean)
 120 NOMKDIR:=1
 121 endif
 122 endif
 123
 124 ifeq ($(NOCOMPILE),1)
 125 include $(TOPLEVEL)/Makefile.inc
 126 include $(TOPLEVEL)/payloads/Makefile.inc
 127 real-all:
 128         @echo "Error: Expected config file ($(DOTCONFIG)) not present." >&2
 129         @echo "Please specify a config file or run 'make menuconfig' to" >&2
 130         @echo "generate a new config file." >&2
 131         @exit 1
 132 else
 133
 134 include $(DOTCONFIG)
 135
 136 # in addition to the dependency below, create the file if it doesn't exist
 137 # to silence stupid warnings about a file that would be generated anyway.
 138 $(if $(wildcard .xcompile)$(NOCOMPILE),,$(eval $(shell util/xcompile/xcompile $(XGCCPATH) > .xcompile || rm -f .xcompile)))
 139
 140 .xcompile: util/xcompile/xcompile
 141         rm -f $@
 142         $< $(XGCCPATH) > $@.tmp
 143         \mv -f $@.tmp $@ 2> /dev/null
 144         rm -f $@.tmp
 145
 146 -include .xcompile
 147
 148 ifneq ($(XCOMPILE_COMPLETE),1)
 149 $(shell rm -f .xcompile)
 150 $(error .xcompile deleted because it's invalid. \
 151         Restarting the build should fix that, or explain the problem)
 152 endif
 153
 154 ifneq ($(CONFIG_MMX),y)
 155 CFLAGS_x86_32 += -mno-mmx
 156 endif
 157
 158 include toolchain.inc
 159
 160 strip_quotes = $(strip $(subst ",,$(subst \",,$(1))))
 161 # fix makefile syntax highlighting after strip macro \" "))
 162
 163 # The primary target needs to be here before we include the
 164 # other files
 165
 166 real-all: real-target
 167
 168 # must come rather early
 169 .SECONDEXPANSION:
 170
 171 $(KCONFIG_AUTOHEADER): $(KCONFIG_CONFIG)
 172         +$(MAKE) oldconfig
 173
 174 # Add a new class of source/object files to the build system
 175 add-class= \
 176         $(eval $(1)-srcs:=) \
 177         $(eval $(1)-objs:=) \
 178         $(eval classes+=$(1))
 179
 180 # Special classes are managed types with special behaviour
 181 # On parse time, for each entry in variable $(1)-y
 182 # a handler $(1)-handler is executed with the arguments:
 183 # * $(1): directory the parser is in
 184 # * $(2): current entry
 185 add-special-class= \
 186         $(eval $(1):=) \
 187         $(eval special-classes+=$(1))
 188
 189 # Converts one or more source file paths to their corresponding build/ paths.
 190 # Only .ads, adb, .c and .S get converted to .o, other files (like .ld) keep
 191 # their name.
 192 # $1 stage name
 193 # $2 file path (list)
 194 src-to-obj=\
 195         $(patsubst $(obj)/%,$(obj)/$(1)/%,\
 196         $(patsubst $(obj)/$(1)/%,$(obj)/%,\
 197         $(patsubst 3rdparty/%,$(obj)/%,\
 198         $(patsubst src/%,$(obj)/%,\
 199         $(patsubst %.ads,%.o,\
 200         $(patsubst %.adb,%.o,\
 201         $(patsubst %.c,%.o,\
 202         $(patsubst %.S,%.o,\
 203         $(subst .$(1),,$(2))))))))))
 204
 205 # Converts one or more source file paths to the corresponding build/ paths
 206 # of their Ada library information (.ali) files.
 207 # $1 stage name
 208 # $2 file path (list)
 209 src-to-ali=\
 210         $(patsubst $(obj)/%,$(obj)/$(1)/%,\
 211         $(patsubst $(obj)/$(1)/%,$(obj)/%,\
 212         $(patsubst 3rdparty/%,$(obj)/%,\
 213         $(patsubst src/%,$(obj)/%,\
 214         $(patsubst %.ads,%.ali,\
 215         $(patsubst %.adb,%.ali,\
 216         $(subst .$(1),,\
 217         $(filter %.ads %.adb,$(2)))))))))
 218
 219 # Clean -y variables, include Makefile.inc
 220 # Add paths to files in X-y to X-srcs
 221 # Add subdirs-y to subdirs
 222 includemakefiles= \
 223         $(foreach class,classes subdirs $(classes) $(special-classes), $(eval $(class)-y:=)) \
 224         $(eval -include $(1)) \
 225         $(foreach class,$(classes-y), $(call add-class,$(class))) \
 226         $(foreach class,$(classes), \
 227                 $(eval $(class)-srcs+= \
 228                         $$(subst $(absobj)/,$(obj)/, \
 229                         $$(subst $(top)/,, \
 230                         $$(abspath $$(subst $(dir $(1))/,/,$$(addprefix $(dir $(1)),$$($(class)-y)))))))) \
 231         $(foreach special,$(special-classes), \
 232                 $(foreach item,$($(special)-y), $(call $(special)-handler,$(dir $(1)),$(item)))) \
 233         $(eval subdirs+=$$(subst $(CURDIR)/,,$$(abspath $$(addprefix $(dir $(1)),$$(subdirs-y)))))
 234
 235 # For each path in $(subdirs) call includemakefiles
 236 # Repeat until subdirs is empty
 237 evaluate_subdirs= \
 238         $(eval cursubdirs:=$(subdirs)) \
 239         $(eval subdirs:=) \
 240         $(foreach dir,$(cursubdirs), \
 241                 $(eval $(call includemakefiles,$(dir)/Makefile.inc))) \
 242         $(if $(subdirs),$(eval $(call evaluate_subdirs)))
 243
 244 # collect all object files eligible for building
 245 subdirs:=$(TOPLEVEL)
 246 postinclude-hooks :=
 247 $(eval $(call evaluate_subdirs))
 248 ifeq ($(FAILBUILD),1)
 249 $(error cannot continue build)
 250 endif
 251
 252 # Run hooks registered by subdirectories that need to be evaluated after all files have been parsed
 253 $(eval $(postinclude-hooks))
 254
 255 # Eliminate duplicate mentions of source files in a class
 256 $(foreach class,$(classes),$(eval $(class)-srcs:=$(sort $($(class)-srcs))))
 257
 258 # To track dependencies, we need all Ada specification (.ads) files in
 259 # *-srcs. Extract / filter all specification files that have a matching
 260 # body (.adb) file here (specifications without a body are valid sources
 261 # in Ada).
 262 $(foreach class,$(classes),$(eval $(class)-extra-specs := \
 263         $(filter \
 264                 $(addprefix %/,$(patsubst %.adb,%.ads,$(notdir $(filter %.adb,$($(class)-srcs))))), \
 265                 $(filter %.ads,$($(class)-srcs)))))
 266 $(foreach class,$(classes),$(eval $(class)-srcs := \
 267         $(filter-out $($(class)-extra-specs),$($(class)-srcs))))
 268
 269 $(foreach class,$(classes),$(eval $(class)-objs:=$(call src-to-obj,$(class),$($(class)-srcs))))
 270 $(foreach class,$(classes),$(eval $(class)-alis:=$(call src-to-ali,$(class),$($(class)-srcs))))
 271
 272 # For Ada includes
 273 $(foreach class,$(classes),$(eval $(class)-ada-dirs:=$(sort $(dir $(filter %.ads %.adb,$($(class)-srcs)) $($(class)-extra-specs)))))
 274
 275 # Save all objs before processing them (for dependency inclusion)
 276 originalobjs:=$(foreach var, $(addsuffix -objs,$(classes)), $($(var)))
 277
 278 # Call post-processors if they're defined
 279 $(foreach class,$(classes),\
 280         $(if $(value $(class)-postprocess),$(eval $(call $(class)-postprocess,$($(class)-objs)))))
 281
 282 allsrcs:=$(foreach var, $(addsuffix -srcs,$(classes)), $($(var)))
 283 allobjs:=$(foreach var, $(addsuffix -objs,$(classes)), $($(var)))
 284 alldirs:=$(sort $(abspath $(dir $(allobjs))))
 285
 286 # Reads dependencies from an Ada library information (.ali) file
 287 # Only basenames (with suffix) are preserved so we have to look the
 288 # paths up in $($(stage)-srcs).
 289 # $1 stage name
 290 # $2 ali file
 291 create_ada_deps=$$(if $(2),\
 292         gnat.adc \
 293         $$(filter \
 294                 $$(addprefix %/,$$(shell sed -ne's/^D \([^\t]\+\).*$$$$/\1/p' $(2) 2>/dev/null)), \
 295                 $$($(1)-srcs) $$($(1)-extra-specs)))
 296
 297 # macro to define template macros that are used by use_template macro
 298 define create_cc_template
 299 # $1 obj class
 300 # $2 source suffix (c, S, ld, ...)
 301 # $3 additional compiler flags
 302 # $4 additional dependencies
 303 ifn$(EMPTY)def $(1)-objs_$(2)_template
 304 de$(EMPTY)fine $(1)-objs_$(2)_template
 305 $$(call src-to-obj,$1,$$(1).$2): $$(1).$2 $$(call create_ada_deps,$1,$$(call src-to-ali,$1,$$(1).$2)) $(KCONFIG_AUTOHEADER) $(4)
 306         @printf "    CC         $$$$(subst $$$$(obj)/,,$$$$(@))\n"
 307         $(CC_$(1)) \
 308                 $$(if $$(filter-out ads adb,$(2)), \
 309                    -MMD $$$$(CPPFLAGS_$(1)) $$$$(CFLAGS_$(1)) -MT $$$$(@), \
 310                    $$$$(ADAFLAGS_$(1)) $$$$(addprefix -I,$$$$($(1)-ada-dirs))) \
 311                 $(3) -c -o $$$$@ $$$$<
 312 en$(EMPTY)def
 313 end$(EMPTY)if
 314 endef
 315
 316 filetypes-of-class=$(subst .,,$(sort $(suffix $($(1)-srcs))))
 317 $(foreach class,$(classes), \
 318         $(foreach type,$(call filetypes-of-class,$(class)), \
 319                 $(eval $(class)-$(type)-ccopts += $(generic-$(type)-ccopts) $($(class)-generic-ccopts)) \
 320                 $(if $(generic-objs_$(type)_template_gen),$(eval $(call generic-objs_$(type)_template_gen,$(class))),\
 321                 $(eval $(call create_cc_template,$(class),$(type),$($(class)-$(type)-ccopts),$($(class)-$(type)-deps))))))
 322
 323 foreach-src=$(foreach file,$($(1)-srcs),$(eval $(call $(1)-objs_$(subst .,,$(suffix $(file)))_template,$(basename $(file)))))
 324 $(eval $(foreach class,$(classes),$(call foreach-src,$(class))))
 325
 326 # To supported complex package initializations, we need to call the
 327 # emitted code explicitly. gnatbind gathers all the calls for us
 328 # and exports them as a procedure $(stage)_adainit(). Every stage that
 329 # uses Ada code has to call it!
 330 define gnatbind_template
 331 # $1 class
 332 $$(obj)/$(1)/b__$(1).adb: $$$$(filter-out $$(obj)/$(1)/b__$(1).ali,$$$$($(1)-alis))
 333         @printf "    BIND       $$(subst $$(obj)/,,$$@)\n"
 334         # We have to give gnatbind a simple filename (without leading
 335         # path components) so just cd there.
 336         cd $$(dir $$@) && \
 337                 $$(GNATBIND_$(1)) -a -n \
 338                         --RTS=$$(absobj)/libgnat-$$(ARCH-$(1)-y)/ \
 339                         -L$(1)_ada -o $$(notdir $$@) \
 340                         $$(subst $$(dir $$@),,$$^)
 341 $$(obj)/$(1)/b__$(1).o: $$(obj)/$(1)/b__$(1).adb
 342         @printf "    CC         $$(subst $$(obj)/,,$$@)\n"
 343         $(CC_$(1)) $$(ADAFLAGS_$(1)) -c -o $$@ $$<
 344 $(1)-objs += $$(obj)/$(1)/b__$(1).o
 345 $($(1)-alis): %.ali: %.o ;
 346 endef
 347
 348 $(eval $(foreach class,$(filter-out libgnat-%,$(classes)), \
 349         $(if $($(class)-alis),$(call gnatbind_template,$(class)))))
 350
 351 DEPENDENCIES += $(addsuffix .d,$(basename $(allobjs)))
 352 -include $(DEPENDENCIES)
 353
 354 printall:
 355         @$(foreach class,$(classes), echo $(class)-objs: $($(class)-objs) | tr ' ' '\n'; echo; )
 356         @echo alldirs: $(alldirs) | tr ' ' '\n'; echo
 357         @echo allsrcs: $(allsrcs) | tr ' ' '\n'; echo
 358         @echo DEPENDENCIES: $(DEPENDENCIES) | tr ' ' '\n'; echo
 359         @$(foreach class,$(special-classes),echo $(class):'$($(class))' | tr ' ' '\n'; echo; )
 360 endif
 361
 362 ifndef NOMKDIR
 363 $(shell mkdir -p $(KCONFIG_SPLITCONFIG) $(objk)/lxdialog $(additional-dirs) $(alldirs))
 364 endif
 365
 366 $(obj)/project_filelist.txt: all
 367         find $(obj) -name "*.d" -exec cat {} \; | \
 368           sed 's/[:\\]/ /g' | sed 's/ /\n/g' | sort | uniq | \
 369           grep -v '\.o$$' > $(obj)/project_filelist.txt
 370
 371 #works with either exuberant ctags or ctags.emacs
 372 ctags-project: clean-ctags $(obj)/project_filelist.txt
 373         cat $(obj)/project_filelist.txt | \
 374           xargs ctags -o tags
 375
 376 cscope-project: clean-cscope $(obj)/project_filelist.txt
 377         cat $(obj)/project_filelist.txt | xargs cscope -b
 378
 379 cscope:
 380         cscope -bR
 381
 382 doxy: doxygen
 383 doxygen:
 384         $(DOXYGEN) Documentation/Doxyfile.coreboot
 385
 386 doxygen_simple:
 387         $(DOXYGEN) Documentation/Doxyfile.coreboot_simple
 388
 389 doxyplatform doxygen_platform: $(obj)/project_filelist.txt
 390         echo
 391         echo "Building doxygen documentation for $(CONFIG_MAINBOARD_PART_NUMBER)"
 392         export DOXYGEN_OUTPUT_DIR="$(DOXYGEN_OUTPUT_DIR)/$(CONFIG_MAINBOARD_VENDOR)/$(CONFIG_MAINBOARD_PART_NUMBER)"; \
 393         mkdir -p "$$DOXYGEN_OUTPUT_DIR"; \
 394         export DOXYFILES="$$(cat $(obj)/project_filelist.txt | grep -v '\.ld$$' | sed 's/\.aml/\.dsl/' | tr '\n' ' ')"; \
 395         export DOXYGEN_PLATFORM="$(CONFIG_MAINBOARD_DIR) ($(CONFIG_MAINBOARD_PART_NUMBER)) version $(KERNELVERSION)"; \
 396         $(DOXYGEN) Documentation/doxygen/Doxyfile.coreboot_platform
 397
 398 doxyclean: doxygen-clean
 399 doxygen-clean:
 400         rm -rf $(DOXYGEN_OUTPUT_DIR)
 401
 402 clean-for-update: doxygen-clean clean-for-update-target
 403         rm -rf $(obj) .xcompile
 404
 405 clean: clean-for-update clean-target
 406         rm -f .ccwrap
 407
 408 clean-cscope:
 409         rm -f cscope.out
 410
 411 clean-ctags:
 412         rm -f tags
 413
 414 distclean: clean clean-ctags clean-cscope distclean-payloads
 415         rm -f .config .config.old ..config.tmp* .kconfig.d .tmpconfig* .ccwrap .xcompile
 416
 417 .PHONY: $(PHONY) clean clean-for-update clean-cscope cscope distclean doxygen doxy doxygen_simple
 418 .PHONY: ctags-project cscope-project clean-ctags