payloads/libpayload/Makefile

   1 ##
   2 ##
   3 ## Copyright (C) 2008 Advanced Micro Devices, Inc.
   4 ## Copyright (C) 2008 Uwe Hermann <uwe@hermann-uwe.de>
   5 ## Copyright (C) 2009-2010 coresystems GmbH
   6 ## Copyright (C) 2011 secunet Security Networks AG
   7 ##
   8 ## Redistribution and use in source and binary forms, with or without
   9 ## modification, are permitted provided that the following conditions
  10 ## are met:
  11 ## 1. Redistributions of source code must retain the above copyright
  12 ##    notice, this list of conditions and the following disclaimer.
  13 ## 2. Redistributions in binary form must reproduce the above copyright
  14 ##    notice, this list of conditions and the following disclaimer in the
  15 ##    documentation and/or other materials provided with the distribution.
  16 ## 3. The name of the author may not be used to endorse or promote products
  17 ##    derived from this software without specific prior written permission.
  18 ##
  19 ## THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  20 ## ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  21 ## IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  22 ## ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  23 ## FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  24 ## DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  25 ## OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  26 ## HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  27 ## LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  28 ## OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  29 ## SUCH DAMAGE.
  30 ##
  31
  32 ifneq ($(words $(CURDIR)),1)
  33         $(error ERROR: Path to the main directory cannot contain spaces)
  34 endif
  35
  36 ifeq ($(INNER_SCANBUILD),y)
  37 CC_real:=$(CC)
  38 endif
  39
  40 export top := $(CURDIR)
  41 export coreboottop ?= $(abspath $(top)/../../)
  42 export src := src
  43 export srck := $(abspath $(top)/../../util/kconfig)
  44 export obj ?= build
  45 export objutil ?= $(obj)/util
  46 export objk := $(objutil)/lp_kconfig
  47 export absobj := $(abspath $(obj))
  48 VBOOT_SOURCE ?= $(coreboottop)/3rdparty/vboot
  49
  50 export KCONFIG_AUTOHEADER := $(obj)/config.h
  51 export KCONFIG_AUTOCONFIG := $(obj)/auto.conf
  52 export KCONFIG_DEPENDENCIES := $(obj)/auto.conf.cmd
  53 export KCONFIG_SPLITCONFIG := $(obj)/config/
  54 export KCONFIG_TRISTATE := $(obj)/tristate.conf
  55 export KCONFIG_NEGATIVES := 1
  56 export KBUILD_KCONFIG := Kconfig
  57 export CONFIG_ := CONFIG_LP_
  58
  59 # directory containing the toplevel Makefile.mk
  60 TOPLEVEL := .
  61
  62 CONFIG_LP_SHELL := sh
  63 KBUILD_DEFCONFIG ?= configs/defconfig
  64 UNAME_RELEASE := $(shell uname -r)
  65 DOTCONFIG ?= .config
  66 KCONFIG_CONFIG = $(DOTCONFIG)
  67 export KCONFIG_CONFIG
  68 HAVE_DOTCONFIG := $(wildcard $(DOTCONFIG))
  69 MAKEFLAGS += -rR --no-print-directory
  70
  71 # Make is silent per default, but 'make V=1' will show all compiler calls.
  72 Q:=@
  73 ifneq ($(V),1)
  74 ifneq ($(Q),)
  75 .SILENT:
  76 endif
  77 endif
  78
  79 CPP:= $(CC) -x assembler-with-cpp -DASSEMBLY -E
  80 HOSTCC = gcc
  81 HOSTCXX = g++
  82 HOSTCFLAGS := -I$(srck) -I$(objk) -g
  83 HOSTCXXFLAGS := -I$(srck) -I$(objk)
  84 HOSTAS ?= as
  85 HOSTLD ?= ld
  86 HOSTNM ?= nm
  87 HOSTOBJCOPY ?= objcopy
  88 HOSTOBJDUMP ?= objdump
  89 HOSTREADELF ?= readelf
  90 HOSTSTRIP ?= strip
  91 HOSTAR ?= ar
  92
  93 DOXYGEN := doxygen
  94 DOXYGEN_OUTPUT_DIR := doxygen
  95
  96 all: real-all
  97
  98 ifeq ($(INNER_SCANBUILD),y)
  99 CC:=$(CC_real)
 100 HOSTCC:=$(CC_real) --hostcc
 101 HOSTCXX:=$(CC_real) --hostcxx
 102 endif
 103
 104 # This include must come _before_ the pattern rules below!
 105 # Order _does_ matter for pattern rules.
 106 include $(srck)/Makefile.mk
 107
 108 include $(HAVE_DOTCONFIG)
 109
 110 ARCHDIR-$(CONFIG_LP_ARCH_ARM)     := arm
 111 ARCHDIR-$(CONFIG_LP_ARCH_ARM64)   := arm64
 112 ARCHDIR-$(CONFIG_LP_ARCH_X86)     := x86
 113 ARCHDIR-$(CONFIG_LP_ARCH_MOCK)    := mock
 114
 115 ARCH-y := $(ARCHDIR-y)
 116
 117 # If architecture folder name is different from xcompile architecture name,
 118 # override here.
 119 ARCH-$(CONFIG_LP_ARCH_ARM)     := arm
 120 ARCH-$(CONFIG_LP_ARCH_ARM64)   := arm64
 121 ARCH-$(CONFIG_LP_ARCH_X86)     := x86_32
 122 ARCH-$(CONFIG_LP_ARCH_MOCK)    := mock
 123
 124 # Five cases where we don't need fully populated $(obj) lists:
 125 # 1. when no .config exists
 126 # 2. when make config (in any flavour) is run
 127 # 3. when make distclean is run
 128 # 4. when make help% or make clean% is run
 129 # 5. when make %-test or make %-tests or make %coverage-report is run
 130 # Don't waste time on reading all Makefiles in these cases
 131 ifeq ($(strip $(HAVE_DOTCONFIG)),)
 132 NOCOMPILE := 1
 133 endif
 134 ifneq ($(MAKECMDGOALS),)
 135 ifneq ($(filter %config %clean clean-% help%,$(MAKECMDGOALS)),)
 136 NOCOMPILE := 1
 137 endif
 138 ifneq ($(filter %clean help% clean%, $(MAKECMDGOALS)),)
 139 UNIT_TEST := 1
 140 endif
 141 endif
 142
 143 ifneq ($(filter help%, $(MAKECMDGOALS)),)
 144 NOCOMPILE := 1
 145 UNIT_TEST := 1
 146 else
 147 ifneq ($(filter %-test %-tests %coverage-report, $(MAKECMDGOALS)),)
 148 ifneq ($(filter-out %-test %-tests %coverage-report, $(MAKECMDGOALS)),)
 149 $(error Cannot mix unit-tests targets with other targets)
 150 endif
 151 NOCOMPILE :=
 152 UNIT_TEST := 1
 153 endif
 154 endif
 155
 156 xcompile ?= $(obj)/xcompile
 157 $(xcompile): $(top)/../../util/xcompile/xcompile
 158         $< $(XGCCPATH) > $@.tmp
 159         \mv -f $@.tmp $@ 2> /dev/null
 160
 161 ifeq ($(NOCOMPILE),1)
 162 include $(TOPLEVEL)/Makefile.mk
 163 include $(TOPLEVEL)/tests/Makefile.mk
 164 real-all: config
 165
 166 else
 167
 168 ifeq ($(CONFIG_LP_ARCH_MOCK),y)
 169
 170 # Create empty xcompile to satisfy install script
 171 $(shell echo '' > $(xcompile))
 172
 173 CC := $(HOSTCC)
 174 CC-mock := $(HOSTCC)
 175 AS := $(HOSTAS)
 176 AS-mock := $(HOSTAS)
 177 LD := $(HOSTLD)
 178 LD-mock := $(HOSTLD)
 179 NM := $(HOSTNM)
 180 NM-mock := $(HOSTNM)
 181 OBJCOPY := $(HOSTOBJCOPY)
 182 OBJCOPY-mock := $(HOSTOBJCOPY)
 183 OBJDUMP := $(HOSTOBJDUMP)
 184 OBJDUMP-mock := $(HOSTOBJDUMP)
 185 READELF := $(HOSTREADELF)
 186 READELF-mock := $(HOSTEADELF)
 187 STRIP := $(HOSTSTRIP)
 188 STRIP-mock := $(HOSTSTRIP)
 189 AR := $(HOSTAR)
 190 AR-mock := $(HOSTAR)
 191 else
 192
 193 # in addition to the dependency below, create the file if it doesn't exist
 194 # to silence stupid warnings about a file that would be generated anyway.
 195 $(if $(wildcard $(xcompile)),,$(shell   \
 196         mkdir -p $(dir $(xcompile)) &&  \
 197         $(top)/../../util/xcompile/xcompile $(XGCCPATH) > $(xcompile) || rm -f $(xcompile)))
 198
 199 include $(xcompile)
 200
 201 ifneq ($(XCOMPILE_COMPLETE),1)
 202 $(shell rm -f $(xcompile))
 203 $(error $(xcompile) deleted because it's invalid. \
 204         Restarting the build should fix that, or explain the problem)
 205 endif
 206
 207 CC := $(CC_$(ARCH-y))
 208 AS := $(AS_$(ARCH-y))
 209 LD := $(LD_$(ARCH-y))
 210 NM := $(NM_$(ARCH-y))
 211 OBJCOPY := $(OBJCOPY_$(ARCH-y))
 212 OBJDUMP := $(OBJDUMP_$(ARCH-y))
 213 READELF := $(READELF_$(ARCH-y))
 214 STRIP := $(STRIP_$(ARCH-y))
 215 AR := $(AR_$(ARCH-y))
 216 endif
 217
 218 CFLAGS += -std=gnu11 $(CFLAGS_$(ARCH-y))
 219
 220 ifneq ($(INNER_SCANBUILD),y)
 221 ifeq ($(CONFIG_LP_COMPILER_LLVM_CLANG),y)
 222 CC:=clang
 223 ifneq ($(CONFIG_LP_ARCH_MOCK),y)
 224 CC += -m32
 225 endif
 226 HOSTCC:=clang
 227 endif
 228 endif
 229
 230 ifeq ($(CONFIG_LP_CCACHE),y)
 231 CCACHE:=$(word 1,$(wildcard $(addsuffix /ccache,$(subst :, ,$(PATH)))))
 232 ifeq ($(CCACHE),)
 233 $(error ccache selected, but not found in PATH)
 234 endif
 235 CCACHE:=CCACHE_COMPILERCHECK=content CCACHE_BASEDIR=$(top) $(CCACHE)
 236 CC := $(CCACHE) $(CC)
 237 HOSTCC := $(CCACHE) $(HOSTCC)
 238 HOSTCXX := $(CCACHE) $(HOSTCXX)
 239 endif
 240
 241 strip_quotes = $(subst ",,$(subst \",,$(1)))
 242
 243 # The primary target needs to be here before we include the
 244 # other files
 245
 246 ifeq ($(INNER_SCANBUILD),y)
 247 CONFIG_LP_SCANBUILD_ENABLE:=
 248 endif
 249
 250 ifeq ($(CONFIG_LP_SCANBUILD_ENABLE),y)
 251 ifneq ($(CONFIG_LP_SCANBUILD_REPORT_LOCATION),)
 252 CONFIG_LP_SCANBUILD_REPORT_LOCATION:=-o $(CONFIG_LP_SCANBUILD_REPORT_LOCATION)
 253 endif
 254 real-all:
 255         echo '#!/bin/sh' > .ccwrap
 256         echo 'CC="$(CC)"' >> .ccwrap
 257         echo 'if [ "$$1" = "--hostcc" ]; then shift; CC="$(HOSTCC)"; fi' >> .ccwrap
 258         echo 'if [ "$$1" = "--hostcxx" ]; then shift; CC="$(HOSTCXX)"; fi' >> .ccwrap
 259         echo 'eval $$CC $$*' >> .ccwrap
 260         chmod +x .ccwrap
 261         scan-build $(CONFIG_LP_SCANBUILD_REPORT_LOCATION) -analyze-headers --use-cc=$(top)/.ccwrap --use-c++=$(top)/.ccwrap $(MAKE) INNER_SCANBUILD=y
 262 else
 263 real-all: real-target
 264 endif
 265
 266 # must come rather early
 267 .SECONDEXPANSION:
 268
 269 $(KCONFIG_AUTOHEADER): $(KCONFIG_CONFIG)
 270         $(MAKE) CONFIG_=CONFIG_LP_ olddefconfig
 271         $(MAKE) CONFIG_=CONFIG_LP_ syncconfig
 272
 273 # Add a new class of source/object files to the build system
 274 add-class= \
 275         $(eval $(1)-srcs:=) \
 276         $(eval $(1)-objs:=) \
 277         $(eval classes+=$(1))
 278
 279 # Special classes are managed types with special behaviour
 280 # On parse time, for each entry in variable $(1)-y
 281 # a handler $(1)-handler is executed with the arguments:
 282 # * $(1): directory the parser is in
 283 # * $(2): current entry
 284 add-special-class= \
 285         $(eval $(1):=) \
 286         $(eval special-classes+=$(1))
 287
 288 # Clean -y variables, include Makefile.mk
 289 # Add paths to files in X-y to X-srcs
 290 # Add subdirs-y to subdirs
 291 includemakefiles= \
 292         $(foreach class,classes subdirs $(classes) $(special-classes), $(eval $(class)-y:=)) \
 293         $(eval -include $(1)) \
 294         $(foreach class,$(classes-y), $(call add-class,$(class))) \
 295         $(foreach special,$(special-classes), \
 296                 $(foreach item,$($(special)-y), $(call $(special)-handler,$(dir $(1)),$(item)))) \
 297         $(foreach class,$(classes), \
 298                 $(eval $(class)-srcs+= \
 299                         $$(subst $(absobj)/,$(obj)/, \
 300                         $$(subst $(top)/,, \
 301                         $$(abspath $$(subst $(dir $(1))/,/,$$(addprefix $(dir $(1)),$$($(class)-y)))))))) \
 302         $(eval subdirs+=$$(subst $(CURDIR)/,,$$(wildcard $$(abspath $$(addprefix $(dir $(1)),$$(subdirs-y))))))
 303
 304
 305 # For each path in $(subdirs) call includemakefiles
 306 # Repeat until subdirs is empty
 307 evaluate_subdirs= \
 308         $(eval cursubdirs:=$(subdirs)) \
 309         $(eval subdirs:=) \
 310         $(foreach dir,$(cursubdirs), \
 311                 $(eval $(call includemakefiles,$(dir)/Makefile.mk))) \
 312         $(if $(subdirs),$(eval $(call evaluate_subdirs)))
 313
 314 # collect all object files eligible for building or run unit-tests
 315 ifneq ($(UNIT_TEST),1)
 316 subdirs:=$(TOPLEVEL)
 317 $(eval $(call evaluate_subdirs))
 318 else
 319 include $(TOPLEVEL)/tests/Makefile.mk
 320 endif
 321
 322 # Converts one or more source file paths to the corresponding build/ paths.
 323 # $1 lib name
 324 # $2 file path (list)
 325 src-to-obj=\
 326         $(addsuffix .$(1).o,\
 327         $(basename \
 328         $(addprefix $(obj)/,\
 329         $(subst $(coreboottop)/,coreboot/,$(2)))))
 330 $(foreach class,$(classes),$(eval $(class)-objs+=$(call src-to-obj,$(class),$($(class)-srcs))))
 331
 332 allsrcs:=$(foreach var, $(addsuffix -srcs,$(classes)), $($(var)))
 333 allobjs:=$(foreach var, $(addsuffix -objs,$(classes)), $($(var)))
 334 alldirs:=$(sort $(abspath $(dir $(allobjs))))
 335
 336 # macro to define template macros that are used by use_template macro
 337 define create_cc_template
 338 # $1 obj class
 339 # $2 source suffix (c, S)
 340 # $3 additional compiler flags
 341 # $4 additional dependencies
 342 ifn$(EMPTY)def $(1)-objs_$(2)_template
 343 de$(EMPTY)fine $(1)-objs_$(2)_template
 344 $$(call src-to-obj,$(1), $$(1).$(2)): $$(1).$(2) $(obj)/libpayload-config.h $(4)
 345         @printf "    CC         $$$$(subst $$$$(obj)/,,$$$$(@))\n"
 346         $(CC) $(3) -MMD $$$$(CFLAGS) $(EXTRA_CFLAGS) -c -o $$$$@ $$$$<
 347 en$(EMPTY)def
 348 end$(EMPTY)if
 349 endef
 350
 351 filetypes-of-class=$(subst .,,$(sort $(suffix $($(1)-srcs))))
 352 $(foreach class,$(classes), \
 353         $(foreach type,$(call filetypes-of-class,$(class)), \
 354                 $(eval $(call create_cc_template,$(class),$(type),$($(class)-$(type)-ccopts),$($(class)-$(type)-deps)))))
 355
 356 foreach-src=$(foreach file,$($(1)-srcs),$(eval $(call $(1)-objs_$(subst .,,$(suffix $(file)))_template,$(basename $(file)))))
 357 $(eval $(foreach class,$(classes),$(call foreach-src,$(class))))
 358
 359 DEPENDENCIES = $($(filter %.o,%(allobjs)):.o=.d)
 360 -include $(DEPENDENCIES)
 361
 362 printall:
 363         @$(foreach class,$(classes),echo $(class)-objs:=$($(class)-objs); )
 364         @echo alldirs:=$(alldirs)
 365         @echo allsrcs=$(allsrcs)
 366         @echo DEPENDENCIES=$(DEPENDENCIES)
 367         @$(foreach class,$(special-classes),echo $(class):='$($(class))'; )
 368
 369 endif
 370
 371 $(shell mkdir -p $(KCONFIG_SPLITCONFIG) $(obj) $(objk)/lxdialog $(additional-dirs) $(alldirs))
 372
 373 cscope:
 374         cscope -bR
 375
 376 doxy: doxygen
 377 doxygen:
 378         $(DOXYGEN) Doxyfile
 379
 380 doxyclean: doxygen-clean
 381 doxygen-clean:
 382         rm -rf $(DOXYGEN_OUTPUT_DIR)
 383
 384 clean-for-update: doxygen-clean clean-for-update-target
 385         rm -f $(allobjs) $(xcompile)
 386         rm -f $(DEPENDENCIES)
 387         rmdir -p $(alldirs) 2>/dev/null >/dev/null || true
 388
 389 clean: clean-for-update clean-target
 390         rm -f .ccwrap junit_config junit_config.old
 391         rm -rf $(obj)
 392
 393 clean-cscope:
 394         rm -f cscope.out
 395
 396 distclean: clean-cscope clean
 397         rm -f .config .config.old ..config.tmp .kconfig.d .tmpconfig* .ccwrap .xcompile junit.xml
 398
 399 .PHONY: $(PHONY) clean clean-cscope cscope distclean doxygen doxy